diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 17:34:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 17:34:15 -0700 |
| commit | c70b5296e775cde46cfcb2d860ba160108a5ec7a (patch) | |
| tree | 30419cb982acca44499236adcca65f2f87698c74 | |
| parent | 80c226fbef56576946c9655fcb2ab62e63404d12 (diff) | |
| parent | 58ff4bd042adf8013c8f70fd03c2c0f8d022e387 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (84 commits)
[SCSI] be2iscsi: SGE Len == 64K
[SCSI] be2iscsi: Remove premature free of cid
[SCSI] be2iscsi: More time for FW
[SCSI] libsas: fix bug for vacant phy
[SCSI] sd: Fix overflow with big physical blocks
[SCSI] st: add MTWEOFI to write filemarks without flushing drive buffer
[SCSI] libsas: Don't issue commands to devices that have been hot-removed
[SCSI] megaraid_sas: Add Online Controller Reset to MegaRAID SAS drive
[SCSI] lpfc 8.3.17: Update lpfc driver version to 8.3.17
[SCSI] lpfc 8.3.17: Replace function reset methodology
[SCSI] lpfc 8.3.17: SCSI fixes
[SCSI] lpfc 8.3.17: BSG fixes
[SCSI] lpfc 8.3.17: SLI Additions and Fixes
[SCSI] lpfc 8.3.17: Code Cleanup and Locking fixes
[SCSI] zfcp: Remove scsi_cmnd->serial_number from debug traces
[SCSI] ipr: fix array error logging
[SCSI] aha152x: enable PCMCIA on 64bit
[SCSI] scsi_dh_alua: Handle all states correctly
[SCSI] cxgb4i: connection and ddp setting update
[SCSI] cxgb3i: fixed connection over vlan
...
306 files changed, 39096 insertions, 44890 deletions
diff --git a/Documentation/scsi/st.txt b/Documentation/scsi/st.txt index 40752602c050..691ca292c24d 100644 --- a/Documentation/scsi/st.txt +++ b/Documentation/scsi/st.txt @@ -2,7 +2,7 @@ This file contains brief information about the SCSI tape driver. The driver is currently maintained by Kai Mäkisara (email Kai.Makisara@kolumbus.fi) -Last modified: Sun Feb 24 21:59:07 2008 by kai.makisara +Last modified: Sun Aug 29 18:25:47 2010 by kai.makisara BASICS @@ -85,6 +85,17 @@ writing and the last operation has been a write. Two filemarks can be optionally written. In both cases end of data is signified by returning zero bytes for two consecutive reads. +Writing filemarks without the immediate bit set in the SCSI command block acts +as a synchronization point, i.e., all remaining data form the drive buffers is +written to tape before the command returns. This makes sure that write errors +are caught at that point, but this takes time. In some applications, several +consecutive files must be written fast. The MTWEOFI operation can be used to +write the filemarks without flushing the drive buffer. Writing filemark at +close() is always flushing the drive buffers. However, if the previous +operation is MTWEOFI, close() does not write a filemark. This can be used if +the program wants to close/open the tape device between files and wants to +skip waiting. + If rewind, offline, bsf, or seek is done and previous tape operation was write, a filemark is written before moving tape. @@ -301,6 +312,8 @@ MTBSR Space backward over count records. MTFSS Space forward over count setmarks. MTBSS Space backward over count setmarks. MTWEOF Write count filemarks. +MTWEOFI Write count filemarks with immediate bit set (i.e., does not + wait until data is on tape) MTWSM Write count setmarks. MTREW Rewind tape. MTOFFL Set device off line (often rewind plus eject). diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index 6837a8ef9371..3e57b61ca446 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -5945,8 +5945,10 @@ mpt_findImVolumes(MPT_ADAPTER *ioc) goto out; mem = kmalloc(iocpage2sz, GFP_KERNEL); - if (!mem) + if (!mem) { + rc = -ENOMEM; goto out; + } memcpy(mem, (u8 *)pIoc2, iocpage2sz); ioc->raid_data.pIocPg2 = (IOCPage2_t *) mem; diff --git a/drivers/s390/scsi/Makefile b/drivers/s390/scsi/Makefile index cb301cc6178c..c454ffebb63e 100644 --- a/drivers/s390/scsi/Makefile +++ b/drivers/s390/scsi/Makefile @@ -2,7 +2,8 @@ # Makefile for the S/390 specific device drivers # -zfcp-objs := zfcp_aux.o zfcp_ccw.o zfcp_scsi.o zfcp_erp.o zfcp_qdio.o \ - zfcp_fsf.o zfcp_dbf.o zfcp_sysfs.o zfcp_fc.o zfcp_cfdc.o +zfcp-objs := zfcp_aux.o zfcp_ccw.o zfcp_cfdc.o zfcp_dbf.o zfcp_erp.o \ + zfcp_fc.o zfcp_fsf.o zfcp_qdio.o zfcp_scsi.o zfcp_sysfs.o \ + zfcp_unit.o obj-$(CONFIG_ZFCP) += zfcp.o diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 96fa1f536394..044fb22718d2 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -56,7 +56,6 @@ static void __init zfcp_init_device_configure(char *busid, u64 wwpn, u64 lun) struct ccw_device *cdev; struct zfcp_adapter *adapter; struct zfcp_port *port; - struct zfcp_unit *unit; cdev = get_ccwdev_by_busid(&zfcp_ccw_driver, busid); if (!cdev) @@ -72,17 +71,11 @@ static void __init zfcp_init_device_configure(char *busid, u64 wwpn, u64 lun) port = zfcp_get_port_by_wwpn(adapter, wwpn); if (!port) goto out_port; + flush_work(&port->rport_work); - unit = zfcp_unit_enqueue(port, lun); - if (IS_ERR(unit)) - goto out_unit; - - zfcp_erp_unit_reopen(unit, 0, "auidc_1", NULL); - zfcp_erp_wait(adapter); - flush_work(&unit->scsi_work); - -out_unit: + zfcp_unit_add(port, lun); put_device(&port->dev); + out_port: zfcp_ccw_adapter_put(adapter); out_ccw_device: @@ -158,6 +151,9 @@ static int __init zfcp_module_init(void) fc_attach_transport(&zfcp_transport_functions); if (!zfcp_data.scsi_transport_template) goto out_transport; + scsi_transport_reserve_device(zfcp_data.scsi_transport_template, + sizeof(struct zfcp_scsi_dev)); + retval = misc_register(&zfcp_cfdc_misc); if (retval) { @@ -211,30 +207,6 @@ static void __exit zfcp_module_exit(void) module_exit(zfcp_module_exit); /** - * zfcp_get_unit_by_lun - find unit in unit list of port by FCP LUN - * @port: pointer to port to search for unit - * @fcp_lun: FCP LUN to search for - * - * Returns: pointer to zfcp_unit or NULL - */ -struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *port, u64 fcp_lun) -{ - unsigned long flags; - struct zfcp_unit *unit; - - read_lock_irqsave(&port->unit_list_lock, flags); - list_for_each_entry(unit, &port->unit_list, list) - if (unit->fcp_lun == fcp_lun) { - if (!get_device(&unit->dev)) - unit = NULL; - read_unlock_irqrestore(&port->unit_list_lock, flags); - return unit; - } - read_unlock_irqrestore(&port->unit_list_lock, flags); - return NULL; -} - -/** * zfcp_get_port_by_wwpn - find port in port list of adapter by wwpn * @adapter: pointer to adapter to search for port * @wwpn: wwpn to search for @@ -259,92 +231,6 @@ struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *adapter, return NULL; } -/** - * zfcp_unit_release - dequeue unit - * @dev: pointer to device - * - * waits until all work is done on unit and removes it then from the unit->list - * of the associated port. - */ -static void zfcp_unit_release(struct device *dev) -{ - struct zfcp_unit *unit = container_of(dev, struct zfcp_unit, dev); - - put_device(&unit->port->dev); - kfree(unit); -} - -/** - * zfcp_unit_enqueue - enqueue unit to unit list of a port. - * @port: pointer to port where unit is added - * @fcp_lun: FCP LUN of unit to be enqueued - * Returns: pointer to enqueued unit on success, ERR_PTR on error - * - * Sets up some unit internal structures and creates sysfs entry. - */ -struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *port, u64 fcp_lun) -{ - struct zfcp_unit *unit; - int retval = -ENOMEM; - - get_device(&port->dev); - - unit = zfcp_get_unit_by_lun(port, fcp_lun); - if (unit) { - put_device(&unit->dev); - retval = -EEXIST; - goto err_out; - } - - unit = kzalloc(sizeof(struct zfcp_unit), GFP_KERNEL); - if (!unit) - goto err_out; - - unit->port = port; - unit->fcp_lun = fcp_lun; - unit->dev.parent = &port->dev; - unit->dev.release = zfcp_unit_release; - - if (dev_set_name(&unit->dev, "0x%016llx", - (unsigned long long) fcp_lun)) { - kfree(unit); - goto err_out; - } - retval = -EINVAL; - - INIT_WORK(&unit->scsi_work, zfcp_scsi_scan_work); - - spin_lock_init(&unit->latencies.lock); - unit->latencies.write.channel.min = 0xFFFFFFFF; - unit->latencies.write.fabric.min = 0xFFFFFFFF; - unit->latencies.read.channel.min = 0xFFFFFFFF; - unit->latencies.read.fabric.min = 0xFFFFFFFF; - unit->latencies.cmd.channel.min = 0xFFFFFFFF; - unit->latencies.cmd.fabric.min = 0xFFFFFFFF; - - if (device_register(&unit->dev)) { - put_device(&unit->dev); - goto err_out; - } - - if (sysfs_create_group(&unit->dev.kobj, &zfcp_sysfs_unit_attrs)) - goto err_out_put; - - write_lock_irq(&port->unit_list_lock); - list_add_tail(&unit->list, &port->unit_list); - write_unlock_irq(&port->unit_list_lock); - - atomic_set_mask(ZFCP_STATUS_COMMON_RUNNING, &unit->status); - - return unit; - -err_out_put: - device_unregister(&unit->dev); -err_out: - put_device(&port->dev); - return ERR_PTR(retval); -} - static int zfcp_allocate_low_mem_buffers(struct zfcp_adapter *adapter) { adapter->pool.erp_req = diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c index ce1cc7a11fb4..0833c2b51e39 100644 --- a/drivers/s390/scsi/zfcp_ccw.c +++ b/drivers/s390/scsi/zfcp_ccw.c @@ -46,8 +46,7 @@ static int zfcp_ccw_activate(struct ccw_device *cdev) if (!adapter) return 0; - zfcp_erp_modify_adapter_status(adapter, "ccresu1", NULL, - ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET); + zfcp_erp_set_adapter_status(adapter, ZFCP_STATUS_COMMON_RUNNING); zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED, "ccresu2", NULL); zfcp_erp_wait(adapter); @@ -164,14 +163,7 @@ static int zfcp_ccw_set_online(struct ccw_device *cdev) BUG_ON(!zfcp_reqlist_isempty(adapter->req_list)); adapter->req_no = 0; - zfcp_erp_modify_adapter_status(adapter, "ccsonl1", NULL, - ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET); - zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED, - "ccsonl2", NULL); - zfcp_erp_wait(adapter); - - flush_work(&adapter->scan_work); - + zfcp_ccw_activate(cdev); zfcp_ccw_adapter_put(adapter); return 0; } @@ -224,9 +216,8 @@ static int zfcp_ccw_notify(struct ccw_device *cdev, int event) break; case CIO_OPER: dev_info(&cdev->dev, "The FCP device is operational again\n"); - zfcp_erp_modify_adapter_status(adapter, "ccnoti3", NULL, - ZFCP_STATUS_COMMON_RUNNING, - ZFCP_SET); + zfcp_erp_set_adapter_status(adapter, + ZFCP_STATUS_COMMON_RUNNING); zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED, "ccnoti4", NULL); break; diff --git a/drivers/s390/scsi/zfcp_cfdc.c b/drivers/s390/scsi/zfcp_cfdc.c index 1838cda68ba8..d692e229ecba 100644 --- a/drivers/s390/scsi/zfcp_cfdc.c +++ b/drivers/s390/scsi/zfcp_cfdc.c @@ -2,9 +2,10 @@ * zfcp device driver * * Userspace interface for accessing the - * Access Control Lists / Control File Data Channel + * Access Control Lists / Control File Data Channel; + * handling of response code and states for ports and LUNs. * - * Copyright IBM Corporation 2008, 2009 + * Copyright IBM Corporation 2008, 2010 */ #define KMSG_COMPONENT "zfcp" @@ -261,3 +262,184 @@ struct miscdevice zfcp_cfdc_misc = { .name = "zfcp_cfdc", .fops = &zfcp_cfdc_fops, }; + +/** + * zfcp_cfdc_adapter_access_changed - Process change in adapter ACT + * @adapter: Adapter where the Access Control Table (ACT) changed + * + * After a change in the adapter ACT, check if access to any + * previously denied resources is now possible. + */ +void zfcp_cfdc_adapter_access_changed(struct zfcp_adapter *adapter) +{ + unsigned long flags; + struct zfcp_port *port; + struct scsi_device *sdev; + struct zfcp_scsi_dev *zfcp_sdev; + int status; + + if (adapter->connection_features & FSF_FEATURE_NPIV_MODE) + return; + + read_lock_irqsave(&adapter->port_list_lock, flags); + list_for_each_entry(port, &adapter->port_list, list) { + status = atomic_read(&port->status); + if ((status & ZFCP_STATUS_COMMON_ACCESS_DENIED) || + (status & ZFCP_STATUS_COMMON_ACCESS_BOXED)) + zfcp_erp_port_reopen(port, + ZFCP_STATUS_COMMON_ERP_FAILED, + "cfaac_1", NULL); + } + read_unlock_irqrestore(&adapter->port_list_lock, flags); + + shost_for_each_device(sdev, port->adapter->scsi_host) { + zfcp_sdev = sdev_to_zfcp(sdev); + status = atomic_read(&zfcp_sdev->status); + if ((status & ZFCP_STATUS_COMMON_ACCESS_DENIED) || + (status & ZFCP_STATUS_COMMON_ACCESS_BOXED)) + zfcp_erp_lun_reopen(sdev, + ZFCP_STATUS_COMMON_ERP_FAILED, + "cfaac_2", NULL); + } +} + +static void zfcp_act_eval_err(struct zfcp_adapter *adapter, u32 table) +{ + u16 subtable = table >> 16; + u16 rule = table & 0xffff; + const char *act_type[] = { "unknown", "OS", "WWPN", "DID", "LUN" }; + + if (subtable && subtable < ARRAY_SIZE(act_type)) + dev_warn(&adapter->ccw_device->dev, + "Access denied according to ACT rule type %s, " + "rule %d\n", act_type[subtable], rule); +} + +/** + * zfcp_cfdc_port_denied - Process "access denied" for port + * @port: The port where the acces has been denied + * @qual: The FSF status qualifier for the access denied FSF status + */ +void zfcp_cfdc_port_denied(struct zfcp_port *port, + union fsf_status_qual *qual) +{ + dev_warn(&port->adapter->ccw_device->dev, + "Access denied to port 0x%016Lx\n", + (unsigned long long)port->wwpn); + + zfcp_act_eval_err(port->adapter, qual->halfword[0]); + zfcp_act_eval_err(port->adapter, qual->halfword[1]); + zfcp_erp_set_port_status(port, + ZFCP_STATUS_COMMON_ERP_FAILED | + ZFCP_STATUS_COMMON_ACCESS_DENIED); +} + +/** + * zfcp_cfdc_lun_denied - Process "access denied" for LUN + * @sdev: The SCSI device / LUN where the access has been denied + * @qual: The FSF status qualifier for the access denied FSF status + */ +void zfcp_cfdc_lun_denied(struct scsi_device *sdev, + union fsf_status_qual *qual) +{ + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); + + dev_warn(&zfcp_sdev->port->adapter->ccw_device->dev, + "Access denied to LUN 0x%016Lx on port 0x%016Lx\n", + zfcp_scsi_dev_lun(sdev), + (unsigned long long)zfcp_sdev->port->wwpn); + zfcp_act_eval_err(zfcp_sdev->port->adapter, qual->halfword[0]); + zfcp_act_eval_err(zfcp_sdev->port->adapter, qual->halfword[1]); + zfcp_erp_set_lun_status(sdev, + ZFCP_STATUS_COMMON_ERP_FAILED | + ZFCP_STATUS_COMMON_ACCESS_DENIED); + + atomic_clear_mask(ZFCP_STATUS_LUN_SHARED, &zfcp_sdev->status); + atomic_clear_mask(ZFCP_STATUS_LUN_READONLY, &zfcp_sdev->status); +} + +/** + * zfcp_cfdc_lun_shrng_vltn - Evaluate LUN sharing violation status + * @sdev: The LUN / SCSI device where sharing violation occurred + * @qual: The FSF status qualifier from the LUN sharing violation + */ +void zfcp_cfdc_lun_shrng_vltn(struct scsi_device *sdev, + union fsf_status_qual *qual) +{ + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); + + if (qual->word[0]) + dev_warn(&zfcp_sdev->port->adapter->ccw_device->dev, + "LUN 0x%Lx on port 0x%Lx is already in " + "use by CSS%d, MIF Image ID %x\n", + zfcp_scsi_dev_lun(sdev), + (unsigned long long)zfcp_sdev->port->wwpn, + qual->fsf_queue_designator.cssid, + qual->fsf_queue_designator.hla); + else + zfcp_act_eval_err(zfcp_sdev->port->adapter, qual->word[2]); + + zfcp_erp_set_lun_status(sdev, + ZFCP_STATUS_COMMON_ERP_FAILED | + ZFCP_STATUS_COMMON_ACCESS_DENIED); + atomic_clear_mask(ZFCP_STATUS_LUN_SHARED, &zfcp_sdev->status); + atomic_clear_mask(ZFCP_STATUS_LUN_READONLY, &zfcp_sdev->status); +} + +/** + * zfcp_cfdc_open_lun_eval - Eval access ctrl. status for successful "open lun" + * @sdev: The SCSI device / LUN where to evaluate the status + * @bottom: The qtcb bottom with the status from the "open lun" + * + * Returns: 0 if LUN is usable, -EACCES if the access control table + * reports an unsupported configuration. + */ +int zfcp_cfdc_open_lun_eval(struct scsi_device *sdev, + struct fsf_qtcb_bottom_support *bottom) +{ + int shared, rw; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); + struct zfcp_adapter *adapter = zfcp_sdev->port->adapter; + + if ((adapter->connection_features & FSF_FEATURE_NPIV_MODE) || + !(adapter->adapter_features & FSF_FEATURE_LUN_SHARING) || + zfcp_ccw_priv_sch(adapter)) + return 0; + + shared = !(bottom->lun_access_info & FSF_UNIT_ACCESS_EXCLUSIVE); + rw = (bottom->lun_access_info & FSF_UNIT_ACCESS_OUTBOUND_TRANSFER); + + if (shared) + atomic_set_mask(ZFCP_STATUS_LUN_SHARED, &zfcp_sdev->status); + + if (!rw) { + atomic_set_mask(ZFCP_STATUS_LUN_READONLY, &zfcp_sdev->status); + dev_info(&adapter->ccw_device->dev, "SCSI device at LUN " + "0x%016Lx on port 0x%016Lx opened read-only\n", + zfcp_scsi_dev_lun(sdev), + (unsigned long long)zfcp_sdev->port->wwpn); + } + + if (!shared && !rw) { + dev_err(&adapter->ccw_device->dev, "Exclusive read-only access " + "not supported (LUN 0x%016Lx, port 0x%016Lx)\n", + zfcp_scsi_dev_lun(sdev), + (unsigned long long)zfcp_sdev->port->wwpn); + zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_ERP_FAILED); + zfcp_erp_lun_shutdown(sdev, 0, "fsouh_6", NULL); + return -EACCES; + } + + if (shared && rw) { + dev_err(&adapter->ccw_device->dev, + "Shared read-write access not supported " + "(LUN 0x%016Lx, port 0x%016Lx)\n", + zfcp_scsi_dev_lun(sdev), + (unsigned long long)zfcp_sdev->port->wwpn); + zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_ERP_FAILED); + zfcp_erp_lun_shutdown(sdev, 0, "fsosh_8", NULL); + return -EACCES; + } + + return 0; +} diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c index a86117b0d6e1..2cdd6b28ff7f 100644 --- a/drivers/s390/scsi/zfcp_dbf.c +++ b/drivers/s390/scsi/zfcp_dbf.c @@ -154,7 +154,6 @@ void _zfcp_dbf_hba_fsf_response(const char *tag2, int level, scsi_cmnd = (struct scsi_cmnd *)fsf_req->data; if (scsi_cmnd) { response->u.fcp.cmnd = (unsigned long)scsi_cmnd; - response->u.fcp.serial = scsi_cmnd->serial_number; response->u.fcp.data_dir = qtcb->bottom.io.data_direction; } @@ -330,7 +329,6 @@ static void zfcp_dbf_hba_view_response(char **p, break; zfcp_dbf_out(p, "data_direction", "0x%04x", r->u.fcp.data_dir); zfcp_dbf_out(p, "scsi_cmnd", "0x%0Lx", r->u.fcp.cmnd); - zfcp_dbf_out(p, "scsi_serial", "0x%016Lx", r->u.fcp.serial); *p += sprintf(*p, "\n"); break; @@ -482,7 +480,7 @@ static int zfcp_dbf_rec_view_format(debug_info_t *id, struct debug_view *view, zfcp_dbf_out(&p, "fcp_lun", "0x%016Lx", r->u.trigger.fcp_lun); zfcp_dbf_out(&p, "adapter_status", "0x%08x", r->u.trigger.as); zfcp_dbf_out(&p, "port_status", "0x%08x", r->u.trigger.ps); - zfcp_dbf_out(&p, "unit_status", "0x%08x", r->u.trigger.us); + zfcp_dbf_out(&p, "lun_status", "0x%08x", r->u.trigger.ls); break; case ZFCP_REC_DBF_ID_ACTION: zfcp_dbf_out(&p, "erp_action", "0x%016Lx", r->u.action.action); @@ -600,19 +598,20 @@ void zfcp_dbf_rec_port(char *id, void *ref, struct zfcp_port *port) } /** - * zfcp_dbf_rec_unit - trace event for unit state change + * zfcp_dbf_rec_lun - trace event for LUN state change * @id: identifier for trigger of state change * @ref: additional reference (e.g. request) - * @unit: unit + * @sdev: SCSI device */ -void zfcp_dbf_rec_unit(char *id, void *ref, struct zfcp_unit *unit) +void zfcp_dbf_rec_lun(char *id, void *ref, struct scsi_device *sdev) { - struct zfcp_port *port = unit->port; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); + struct zfcp_port *port = zfcp_sdev->port; struct zfcp_dbf *dbf = port->adapter->dbf; - zfcp_dbf_rec_target(id, ref, dbf, &unit->status, - &unit->erp_counter, port->wwpn, port->d_id, - unit->fcp_lun); + zfcp_dbf_rec_target(id, ref, dbf, &zfcp_sdev->status, + &zfcp_sdev->erp_counter, port->wwpn, port->d_id, + zfcp_scsi_dev_lun(sdev)); } /** @@ -624,11 +623,11 @@ void zfcp_dbf_rec_unit(char *id, void *ref, struct zfcp_unit *unit) * @action: address of error recovery action struct * @adapter: adapter * @port: port - * @unit: unit + * @sdev: SCSI device */ void zfcp_dbf_rec_trigger(char *id2, void *ref, u8 want, u8 need, void *action, struct zfcp_adapter *adapter, struct zfcp_port *port, - struct zfcp_unit *unit) + struct scsi_device *sdev) { struct zfcp_dbf *dbf = adapter->dbf; struct zfcp_dbf_rec_record *r = &dbf->rec_buf; @@ -647,9 +646,10 @@ void zfcp_dbf_rec_trigger(char *id2, void *ref, u8 want, u8 need, void *action, r->u.trigger.ps = atomic_read(&port->status); r->u.trigger.wwpn = port->wwpn; } - if (unit) - r->u.trigger.us = atomic_read(&unit->status); - r->u.trigger.fcp_lun = unit ? unit->fcp_lun : ZFCP_DBF_INVALID_LUN; + if (sdev) + r->u.trigger.ls = atomic_read(&sdev_to_zfcp(sdev)->status); + r->u.trigger.fcp_lun = sdev ? zfcp_scsi_dev_lun(sdev) : + ZFCP_DBF_INVALID_LUN; debug_event(dbf->rec, action ? 1 : 4, r, sizeof(*r)); spin_unlock_irqrestore(&dbf->rec_lock, flags); } @@ -879,7 +879,6 @@ void _zfcp_dbf_scsi(const char *tag, const char *tag2, int level, } rec->scsi_result = scsi_cmnd->result; rec->scsi_cmnd = (unsigned long)scsi_cmnd; - rec->scsi_serial = scsi_cmnd->serial_number; memcpy(rec->scsi_opcode, scsi_cmnd->cmnd, min((int)scsi_cmnd->cmd_len, ZFCP_DBF_SCSI_OPCODE)); @@ -948,7 +947,6 @@ static int zfcp_dbf_scsi_view_format(debug_info_t *id, struct debug_view *view, zfcp_dbf_out(&p, "scsi_lun", "0x%08x", r->scsi_lun); zfcp_dbf_out(&p, "scsi_result", "0x%08x", r->scsi_result); zfcp_dbf_out(&p, "scsi_cmnd", "0x%0Lx", r->scsi_cmnd); - zfcp_dbf_out(&p, "scsi_serial", "0x%016Lx", r->scsi_serial); zfcp_dbf_outd(&p, "scsi_opcode", r->scsi_opcode, ZFCP_DBF_SCSI_OPCODE, 0, ZFCP_DBF_SCSI_OPCODE); zfcp_dbf_out(&p, "scsi_retries", "0x%02x", r->scsi_retries); diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h index 2bcc3403126a..04081b1b62b4 100644 --- a/drivers/s390/scsi/zfcp_dbf.h +++ b/drivers/s390/scsi/zfcp_dbf.h @@ -60,7 +60,7 @@ struct zfcp_dbf_rec_record_trigger { u8 need; u32 as; u32 ps; - u32 us; + u32 ls; u64 ref; u64 action; u64 wwpn; @@ -110,7 +110,6 @@ struct zfcp_dbf_hba_record_response { union { struct { u64 cmnd; - u64 serial; u32 data_dir; } fcp; struct { @@ -206,7 +205,6 @@ struct zfcp_dbf_scsi_record { u32 scsi_lun; u32 scsi_result; u64 scsi_cmnd; - u64 scsi_serial; #define ZFCP_DBF_SCSI_OPCODE 16 u8 scsi_opcode[ZFCP_DBF_SCSI_OPCODE]; u8 scsi_retries; @@ -350,16 +348,16 @@ void zfcp_dbf_scsi_abort(const char *tag, struct zfcp_dbf *dbf, /** * zfcp_dbf_scsi_devreset - trace event for Logical Unit or Target Reset * @tag: tag indicating success or failure of reset operation + * @scmnd: SCSI command which caused this error recovery * @flag: indicates type of reset (Target Reset, Logical Unit Reset) - * @unit: unit that needs reset - * @scsi_cmnd: SCSI command which caused this error recovery */ static inline -void zfcp_dbf_scsi_devreset(const char *tag, u8 flag, struct zfcp_unit *unit, - struct scsi_cmnd *scsi_cmnd) +void zfcp_dbf_scsi_devreset(const char *tag, struct scsi_cmnd *scmnd, u8 flag) { + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scmnd->device); + zfcp_dbf_scsi(flag == FCP_TMF_TGT_RESET ? "trst" : "lrst", tag, 1, - unit->port->adapter->dbf, scsi_cmnd, NULL, 0); + zfcp_sdev->port->adapter->dbf, scmnd, NULL, 0); } #endif /* ZFCP_DBF_H */ diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index e1c6b6e05a75..9ae1d0a6f627 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -85,8 +85,8 @@ struct zfcp_reqlist; #define ZFCP_STATUS_PORT_LINK_TEST 0x00000002 /* logical unit status */ -#define ZFCP_STATUS_UNIT_SHARED 0x00000004 -#define ZFCP_STATUS_UNIT_READONLY 0x00000008 +#define ZFCP_STATUS_LUN_SHARED 0x00000004 +#define ZFCP_STATUS_LUN_READONLY 0x00000008 /* FSF request status (this does not have a common part) */ #define ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT 0x00000002 @@ -118,7 +118,7 @@ struct zfcp_erp_action { int action; /* requested action code */ struct zfcp_adapter *adapter; /* device which should be recovered */ struct zfcp_port *port; - struct zfcp_unit *unit; + struct scsi_device *sdev; u32 status; /* recovery status */ u32 step; /* active step of this erp action */ unsigned long fsf_req_id; @@ -219,21 +219,66 @@ struct zfcp_port { unsigned int starget_id; }; +/** + * struct zfcp_unit - LUN configured via zfcp sysfs + * @dev: struct device for sysfs representation and reference counting + * @list: entry in LUN/unit list per zfcp_port + * @port: reference to zfcp_port where this LUN is configured + * @fcp_lun: 64 bit LUN value + * @scsi_work: for running scsi_scan_target + * + * This is the representation of a LUN that has been configured for + * usage. The main data here is the 64 bit LUN value, data for + * running I/O and recovery is in struct zfcp_scsi_dev. + */ struct zfcp_unit { - struct device dev; - struct list_head list; /* list of logical units */ - struct zfcp_port *port; /* remote port of unit */ - atomic_t status; /* status of this logical unit */ - u64 fcp_lun; /* own FCP_LUN */ - u32 handle; /* handle assigned by FSF */ - struct scsi_device *device; /* scsi device struct pointer */ - struct zfcp_erp_action erp_action; /* pending error recovery */ - atomic_t erp_counter; - struct zfcp_latencies latencies; + struct device dev; + struct list_head list; + struct zfcp_port *port; + u64 fcp_lun; struct work_struct scsi_work; }; /** + * struct zfcp_scsi_dev - zfcp data per SCSI device + * @status: zfcp internal status flags + * @lun_handle: handle from "open lun" for issuing FSF requests + * @erp_action: zfcp erp data for opening and recovering this LUN + * @erp_counter: zfcp erp counter for this LUN + * @latencies: FSF channel and fabric latencies + * @port: zfcp_port where this LUN belongs to + */ +struct zfcp_scsi_dev { + atomic_t status; + u32 lun_handle; + struct zfcp_erp_action erp_action; + atomic_t erp_counter; + struct zfcp_latencies latencies; + struct zfcp_port *port; +}; + +/** + * sdev_to_zfcp - Access zfcp LUN data for SCSI device + * @sdev: scsi_device where to get the zfcp_scsi_dev pointer + */ +static inline struct zfcp_scsi_dev *sdev_to_zfcp(struct scsi_device *sdev) +{ + return scsi_transport_device_data(sdev); +} + +/** + * zfcp_scsi_dev_lun - Return SCSI device LUN as 64 bit FCP LUN + * @sdev: SCSI device where to get the LUN from + */ +static inline u64 zfcp_scsi_dev_lun(struct scsi_device *sdev) +{ + u64 fcp_lun; + + int_to_scsilun(sdev->lun, (struct scsi_lun *)&fcp_lun); + return fcp_lun; +} + +/** * struct zfcp_fsf_req - basic FSF request structure * @list: list of FSF requests * @req_id: unique request ID @@ -249,7 +294,6 @@ struct zfcp_unit { * @erp_action: reference to erp action if request issued on behalf of ERP * @pool: reference to memory pool if used for this request * @issued: time when request was send (STCK) - * @unit: reference to unit if this request is a SCSI request * @handler: handler which should be called to process response */ struct zfcp_fsf_req { @@ -267,7 +311,6 @@ struct zfcp_fsf_req { struct zfcp_erp_action *erp_action; mempool_t *pool; unsigned long long issued; - struct zfcp_unit *unit; void (*handler)(struct zfcp_fsf_req *); }; @@ -282,9 +325,4 @@ struct zfcp_data { struct kmem_cache *adisc_cache; }; -/********************** ZFCP SPECIFIC DEFINES ********************************/ - -#define ZFCP_SET 0x00000100 -#define ZFCP_CLEAR 0x00000200 - #endif /* ZFCP_DEF_H */ diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 160b432c907f..d37c7331f244 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -21,6 +21,7 @@ enum zfcp_erp_act_flags { ZFCP_STATUS_ERP_DISMISSING = 0x00100000, ZFCP_STATUS_ERP_DISMISSED = 0x00200000, ZFCP_STATUS_ERP_LOWMEM = 0x00400000, + ZFCP_STATUS_ERP_NO_REF = 0x00800000, }; enum zfcp_erp_steps { @@ -29,12 +30,12 @@ enum zfcp_erp_steps { ZFCP_ERP_STEP_PHYS_PORT_CLOSING = 0x0010, ZFCP_ERP_STEP_PORT_CLOSING = 0x0100, ZFCP_ERP_STEP_PORT_OPENING = 0x0800, - ZFCP_ERP_STEP_UNIT_CLOSING = 0x1000, - ZFCP_ERP_STEP_UNIT_OPENING = 0x2000, + ZFCP_ERP_STEP_LUN_CLOSING = 0x1000, + ZFCP_ERP_STEP_LUN_OPENING = 0x2000, }; enum zfcp_erp_act_type { - ZFCP_ERP_ACTION_REOPEN_UNIT = 1, + ZFCP_ERP_ACTION_REOPEN_LUN = 1, ZFCP_ERP_ACTION_REOPEN_PORT = 2, ZFCP_ERP_ACTION_REOPEN_PORT_FORCED = 3, ZFCP_ERP_ACTION_REOPEN_ADAPTER = 4, @@ -56,9 +57,8 @@ enum zfcp_erp_act_result { static void zfcp_erp_adapter_block(struct zfcp_adapter *adapter, int mask) { - zfcp_erp_modify_adapter_status(adapter, "erablk1", NULL, - ZFCP_STATUS_COMMON_UNBLOCKED | mask, - ZFCP_CLEAR); + zfcp_erp_clear_adapter_status(adapter, + ZFCP_STATUS_COMMON_UNBLOCKED | mask); } static int zfcp_erp_action_exists(struct zfcp_erp_action *act) @@ -88,24 +88,24 @@ static void zfcp_erp_action_dismiss(struct zfcp_erp_action *act) zfcp_erp_action_ready(act); } -static void zfcp_erp_action_dismiss_unit(struct zfcp_unit *unit) +static void zfcp_erp_action_dismiss_lun(struct scsi_device *sdev) { - if (atomic_read(&unit->status) & ZFCP_STATUS_COMMON_ERP_INUSE) - zfcp_erp_action_dismiss(&unit->erp_action); + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); + + if (atomic_read(&zfcp_sdev->status) & ZFCP_STATUS_COMMON_ERP_INUSE) + zfcp_erp_action_dismiss(&zfcp_sdev->erp_action); } static void zfcp_erp_action_dismiss_port(struct zfcp_port *port) { - struct zfcp_unit *unit; + struct scsi_device *sdev; if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_ERP_INUSE) zfcp_erp_action_dismiss(&port->erp_action); - else { - read_lock(&port->unit_list_lock); - list_for_each_entry(unit, &port->unit_list, list) - zfcp_erp_action_dismiss_unit(unit); - read_unlock(&port->unit_list_lock); - } + else + shost_for_each_device(sdev, port->adapter->scsi_host) + if (sdev_to_zfcp(sdev)->port == port) + zfcp_erp_action_dismiss_lun(sdev); } static void zfcp_erp_action_dismiss_adapter(struct zfcp_adapter *adapter) @@ -124,15 +124,17 @@ static void zfcp_erp_action_dismiss_adapter(struct zfcp_adapter *adapter) static int zfcp_erp_required_act(int want, struct zfcp_adapter *adapter, struct zfcp_port *port, - struct zfcp_unit *unit) + struct scsi_device *sdev) { int need = want; - int u_status, p_status, a_status; + int l_status, p_status, a_status; + struct zfcp_scsi_dev *zfcp_sdev; switch (want) { - case ZFCP_ERP_ACTION_REOPEN_UNIT: - u_status = atomic_read(&unit->status); - if (u_status & ZFCP_STATUS_COMMON_ERP_INUSE) + case ZFCP_ERP_ACTION_REOPEN_LUN: + zfcp_sdev = sdev_to_zfcp(sdev); + l_status = atomic_read(&zfcp_sdev->status); + if (l_status & ZFCP_STATUS_COMMON_ERP_INUSE) return 0; p_status = atomic_read(&port->status); if (!(p_status & ZFCP_STATUS_COMMON_RUNNING) || @@ -169,22 +171,26 @@ static int zfcp_erp_required_act(int want, struct zfcp_adapter *adapter, return need; } -static struct zfcp_erp_action *zfcp_erp_setup_act(int need, +static struct zfcp_erp_action *zfcp_erp_setup_act(int need, u32 act_status, struct zfcp_adapter *adapter, struct zfcp_port *port, - struct zfcp_unit *unit) + struct scsi_device *sdev) { struct zfcp_erp_action *erp_action; - u32 status = 0; + struct zfcp_scsi_dev *zfcp_sdev; switch (need) { - case ZFCP_ERP_ACTION_REOPEN_UNIT: - if (!get_device(&unit->dev)) - return NULL; - atomic_set_mask(ZFCP_STATUS_COMMON_ERP_INUSE, &unit->status); - erp_action = &unit->erp_action; - if (!(atomic_read(&unit->status) & ZFCP_STATUS_COMMON_RUNNING)) - status = ZFCP_STATUS_ERP_CLOSE_ONLY; + case ZFCP_ERP_ACTION_REOPEN_LUN: + zfcp_sdev = sdev_to_zfcp(sdev); + if (!(act_status & ZFCP_STATUS_ERP_NO_REF)) + if (scsi_device_get(sdev)) + return NULL; + atomic_set_mask(ZFCP_STATUS_COMMON_ERP_INUSE, + &zfcp_sdev->status); + erp_action = &zfcp_sdev->erp_action; + if (!(atomic_read(&zfcp_sdev->status) & + ZFCP_STATUS_COMMON_RUNNING)) + act_status |= ZFCP_STATUS_ERP_CLOSE_ONLY; break; case ZFCP_ERP_ACTION_REOPEN_PORT: @@ -195,7 +201,7 @@ static struct zfcp_erp_action *zfcp_erp_setup_act(int need, atomic_set_mask(ZFCP_STATUS_COMMON_ERP_INUSE, &port->status); erp_action = &port->erp_action; if (!(atomic_read(&port->status) & ZFCP_STATUS_COMMON_RUNNING)) - status = ZFCP_STATUS_ERP_CLOSE_ONLY; + act_status |= ZFCP_STATUS_ERP_CLOSE_ONLY; break; case ZFCP_ERP_ACTION_REOPEN_ADAPTER: @@ -205,7 +211,7 @@ static struct zfcp_erp_action *zfcp_erp_setup_act(int need, erp_action = &adapter->erp_action; if (!(atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_RUNNING)) - status = ZFCP_STATUS_ERP_CLOSE_ONLY; + act_status |= ZFCP_STATUS_ERP_CLOSE_ONLY; break; default: @@ -215,16 +221,17 @@ static struct zfcp_erp_action *zfcp_erp_setup_act(int need, memset(erp_action, 0, sizeof(struct zfcp_erp_action)); erp_action->adapter = adapter; erp_action->port = port; - erp_action->unit = unit; + erp_action->sdev = sdev; erp_action->action = need; - erp_action->status = status; + erp_action->status = act_status; return erp_action; } static int zfcp_erp_action_enqueue(int want, struct zfcp_adapter *adapter, struct zfcp_port *port, - struct zfcp_unit *unit, char *id, void *ref) + struct scsi_device *sdev, + char *id, void *ref, u32 act_status) { int retval = 1, need; struct zfcp_erp_action *act = NULL; @@ -232,21 +239,21 @@ static int zfcp_erp_action_enqueue(int want, struct zfcp_adapter *adapter, if (!adapter->erp_thread) return -EIO; - need = zfcp_erp_required_act(want, adapter, port, unit); + need = zfcp_erp_required_act(want, adapter, port, sdev); if (!need) goto out; - atomic_set_mask(ZFCP_STATUS_ADAPTER_ERP_PENDING, &adapter->status); - act = zfcp_erp_setup_act(need, adapter, port, unit); + act = zfcp_erp_setup_act(need, act_status, adapter, port, sdev); if (!act) goto out; + atomic_set_mask(ZFCP_STATUS_ADAPTER_ERP_PENDING, &adapter->status); ++adapter->erp_total_count; list_add_tail(&act->list, &adapter->erp_ready_head); wake_up(&adapter->erp_ready_wq); zfcp_dbf_rec_thread("eracte1", adapter->dbf); retval = 0; out: - zfcp_dbf_rec_trigger(id, ref, want, need, act, adapter, port, unit); + zfcp_dbf_rec_trigger(id, ref, want, need, act, adapter, port, sdev); return retval; } @@ -258,11 +265,12 @@ static int _zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter, /* ensure propagation of failed status to new devices */ if (atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_ERP_FAILED) { - zfcp_erp_adapter_failed(adapter, "erareo1", NULL); + zfcp_erp_set_adapter_status(adapter, + ZFCP_STATUS_COMMON_ERP_FAILED); return -EIO; } return zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_ADAPTER, - adapter, NULL, NULL, id, ref); + adapter, NULL, NULL, id, ref, 0); } /** @@ -282,10 +290,11 @@ void zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter, int clear, write_lock_irqsave(&adapter->erp_lock, flags); if (atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_ERP_FAILED) - zfcp_erp_adapter_failed(adapter, "erareo1", NULL); + zfcp_erp_set_adapter_status(adapter, + ZFCP_STATUS_COMMON_ERP_FAILED); else zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_ADAPTER, adapter, - NULL, NULL, id, ref); + NULL, NULL, id, ref, 0); write_unlock_irqrestore(&adapter->erp_lock, flags); } @@ -317,25 +326,10 @@ void zfcp_erp_port_shutdown(struct zfcp_port *port, int clear, char *id, zfcp_erp_port_reopen(port, clear | flags, id, ref); } -/** - * zfcp_erp_unit_shutdown - Shutdown unit - * @unit: Unit to shut down. - * @clear: Status flags to clear. - * @id: Id for debug trace event. - * @ref: Reference for debug trace event. - */ -void zfcp_erp_unit_shutdown(struct zfcp_unit *unit, int clear, char *id, - void *ref) -{ - int flags = ZFCP_STATUS_COMMON_RUNNING | ZFCP_STATUS_COMMON_ERP_FAILED; - zfcp_erp_unit_reopen(unit, clear | flags, id, ref); -} - static void zfcp_erp_port_block(struct zfcp_port *port, int clear) { - zfcp_erp_modify_port_status(port, "erpblk1", NULL, - ZFCP_STATUS_COMMON_UNBLOCKED | clear, - ZFCP_CLEAR); + zfcp_erp_clear_port_status(port, + ZFCP_STATUS_COMMON_UNBLOCKED | clear); } static void _zfcp_erp_port_forced_reopen(struct zfcp_port *port, @@ -348,7 +342,7 @@ static void _zfcp_erp_port_forced_reopen(struct zfcp_port *port, return; zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_PORT_FORCED, - port->adapter, port, NULL, id, ref); + port->adapter, port, NULL, id, ref, 0); } /** @@ -376,12 +370,12 @@ static int _zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id, if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_ERP_FAILED) { /* ensure propagation of failed status to new devices */ - zfcp_erp_port_failed(port, "erpreo1", NULL); + zfcp_erp_set_port_status(port, ZFCP_STATUS_COMMON_ERP_FAILED); return -EIO; } return zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_PORT, - port->adapter, port, NULL, id, ref); + port->adapter, port, NULL, id, ref, 0); } /** @@ -404,53 +398,88 @@ int zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id, void *ref) return retval; } -static void zfcp_erp_unit_block(struct zfcp_unit *unit, int clear_mask) +static void zfcp_erp_lun_block(struct scsi_device *sdev, int clear_mask) { - zfcp_erp_modify_unit_status(unit, "erublk1", NULL, - ZFCP_STATUS_COMMON_UNBLOCKED | clear_mask, - ZFCP_CLEAR); + zfcp_erp_clear_lun_status(sdev, + ZFCP_STATUS_COMMON_UNBLOCKED | clear_mask); } -static void _zfcp_erp_unit_reopen(struct zfcp_unit *unit, int clear, char *id, - void *ref) +static void _zfcp_erp_lun_reopen(struct scsi_device *sdev, int clear, char *id, + void *ref, u32 act_status) { - struct zfcp_adapter *adapter = unit->port->adapter; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); + struct zfcp_adapter *adapter = zfcp_sdev->port->adapter; - zfcp_erp_unit_block(unit, clear); + zfcp_erp_lun_block(sdev, clear); - if (atomic_read(&unit->status) & ZFCP_STATUS_COMMON_ERP_FAILED) + if (atomic_read(&zfcp_sdev->status) & ZFCP_STATUS_COMMON_ERP_FAILED) return; - zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_UNIT, - adapter, unit->port, unit, id, ref); + zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_LUN, adapter, + zfcp_sdev->port, sdev, id, ref, act_status); } /** - * zfcp_erp_unit_reopen - initiate reopen of a unit - * @unit: unit to be reopened - * @clear_mask: specifies flags in unit status to be cleared + * zfcp_erp_lun_reopen - initiate reopen of a LUN + * @sdev: SCSI device / LUN to be reopened + * @clear_mask: specifies flags in LUN status to be cleared * Return: 0 on success, < 0 on error */ -void zfcp_erp_unit_reopen(struct zfcp_unit *unit, int clear, char *id, - void *ref) +void zfcp_erp_lun_reopen(struct scsi_device *sdev, int clear, char *id, + void *ref) { unsigned long flags; - struct zfcp_port *port = unit->port; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); + struct zfcp_port *port = zfcp_sdev->port; struct zfcp_adapter *adapter = port->adapter; write_lock_irqsave(&adapter->erp_lock, flags); - _zfcp_erp_unit_reopen(unit, clear, id, ref); + _zfcp_erp_lun_reopen(sdev, clear, id, ref, 0); write_unlock_irqrestore(&adapter->erp_lock, flags); } -static int status_change_set(unsigned long mask, atomic_t *status) +/** + * zfcp_erp_lun_shutdown - Shutdown LUN + * @sdev: SCSI device / LUN to shut down. + * @clear: Status flags to clear. + * @id: Id for debug trace event. + * @ref: Reference for debug trace event. + */ +void zfcp_erp_lun_shutdown(struct scsi_device *sdev, int clear, char *id, + void *ref) { - return (atomic_read(status) ^ mask) & mask; + int flags = ZFCP_STATUS_COMMON_RUNNING | ZFCP_STATUS_COMMON_ERP_FAILED; + zfcp_erp_lun_reopen(sdev, clear | flags, id, ref); } -static int status_change_clear(unsigned long mask, atomic_t *status) +/** + * zfcp_erp_lun_shutdown_wait - Shutdown LUN and wait for erp completion + * @sdev: SCSI device / LUN to shut down. + * @id: Id for debug trace event. + * + * Do not acquire a reference for the LUN when creating the ERP + * action. It is safe, because this function waits for the ERP to + * complete first. This allows to shutdown the LUN, even when the SCSI + * device is in the state SDEV_DEL when scsi_device_get will fail. + */ +void zfcp_erp_lun_shutdown_wait(struct scsi_device *sdev, char *id) { - return atomic_read(status) & mask; + unsigned long flags; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); + struct zfcp_port *port = zfcp_sdev->port; + struct zfcp_adapter *adapter = port->adapter; + int clear = ZFCP_STATUS_COMMON_RUNNING | ZFCP_STATUS_COMMON_ERP_FAILED; + + write_lock_irqsave(&adapter->erp_lock, flags); + _zfcp_erp_lun_reopen(sdev, clear, id, NULL, ZFCP_STATUS_ERP_NO_REF); + write_unlock_irqrestore(&adapter->erp_lock, flags); + + zfcp_erp_wait(adapter); +} + +static int status_change_set(unsigned long mask, atomic_t *status) +{ + return (atomic_read(status) ^ mask) & mask; } static void zfcp_erp_adapter_unblock(struct zfcp_adapter *adapter) @@ -467,11 +496,13 @@ static void zfcp_erp_port_unblock(struct zfcp_port *port) atomic_set_mask(ZFCP_STATUS_COMMON_UNBLOCKED, &port->status); } -static void zfcp_erp_unit_unblock(struct zfcp_unit *unit) +static void zfcp_erp_lun_unblock(struct scsi_device *sdev) { - if (status_change_set(ZFCP_STATUS_COMMON_UNBLOCKED, &unit->status)) - zfcp_dbf_rec_unit("eruubl1", NULL, unit); - atomic_set_mask(ZFCP_STATUS_COMMON_UNBLOCKED, &unit->status); + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); + + if (status_change_set(ZFCP_STATUS_COMMON_UNBLOCKED, &zfcp_sdev->status)) + zfcp_dbf_rec_lun("erlubl1", NULL, sdev); + atomic_set_mask(ZFCP_STATUS_COMMON_UNBLOCKED, &zfcp_sdev->status); } static void zfcp_erp_action_to_running(struct zfcp_erp_action *erp_action) @@ -559,15 +590,14 @@ static void _zfcp_erp_port_reopen_all(struct zfcp_adapter *adapter, read_unlock(&adapter->port_list_lock); } -static void _zfcp_erp_unit_reopen_all(struct zfcp_port *port, int clear, - char *id, void *ref) +static void _zfcp_erp_lun_reopen_all(struct zfcp_port *port, int clear, + char *id, void *ref) { - struct zfcp_unit *unit; + struct scsi_device *sdev; - read_lock(&port->unit_list_lock); - list_for_each_entry(unit, &port->unit_list, list) - _zfcp_erp_unit_reopen(unit, clear, id, ref); - read_unlock(&port->unit_list_lock); + shost_for_each_device(sdev, port->adapter->scsi_host) + if (sdev_to_zfcp(sdev)->port == port) + _zfcp_erp_lun_reopen(sdev, clear, id, ref, 0); } static void zfcp_erp_strategy_followup_failed(struct zfcp_erp_action *act) @@ -582,8 +612,8 @@ static void zfcp_erp_strategy_followup_failed(struct zfcp_erp_action *act) case ZFCP_ERP_ACTION_REOPEN_PORT: _zfcp_erp_port_reopen(act->port, 0, "ersff_3", NULL); break; - case ZFCP_ERP_ACTION_REOPEN_UNIT: - _zfcp_erp_unit_reopen(act->unit, 0, "ersff_4", NULL); + case ZFCP_ERP_ACTION_REOPEN_LUN: + _zfcp_erp_lun_reopen(act->sdev, 0, "ersff_4", NULL, 0); break; } } @@ -598,7 +628,7 @@ static void zfcp_erp_strategy_followup_success(struct zfcp_erp_action *act) _zfcp_erp_port_reopen(act->port, 0, "ersfs_2", NULL); break; case ZFCP_ERP_ACTION_REOPEN_PORT: - _zfcp_erp_unit_reopen_all(act->port, 0, "ersfs_3", NULL); + _zfcp_erp_lun_reopen_all(act->port, 0, "ersfs_3", NULL); break; } } @@ -742,9 +772,8 @@ static void zfcp_erp_adapter_strategy_close(struct zfcp_erp_action *act) zfcp_fsf_req_dismiss_all(adapter); adapter->fsf_req_seq_no = 0; zfcp_fc_wka_ports_force_offline(adapter->gs); - /* all ports and units are closed */ - zfcp_erp_modify_adapter_status(adapter, "erascl1", NULL, - ZFCP_STATUS_COMMON_OPEN, ZFCP_CLEAR); + /* all ports and LUNs are closed */ + zfcp_erp_clear_adapter_status(adapter, ZFCP_STATUS_COMMON_OPEN); atomic_clear_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK | ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED, &adapter->status); @@ -861,7 +890,7 @@ static int zfcp_erp_open_ptp_port(struct zfcp_erp_action *act) struct zfcp_port *port = act->port; if (port->wwpn != adapter->peer_wwpn) { - zfcp_erp_port_failed(port, "eroptp1", NULL); + zfcp_erp_set_port_status(port, ZFCP_STATUS_COMMON_ERP_FAILED); return ZFCP_ERP_FAILED; } port->d_id = adapter->peer_d_id; @@ -933,82 +962,87 @@ close_init_done: return zfcp_erp_port_strategy_open_common(erp_action); } -static void zfcp_erp_unit_strategy_clearstati(struct zfcp_unit *unit) +static void zfcp_erp_lun_strategy_clearstati(struct scsi_device *sdev) { + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); + atomic_clear_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED | - ZFCP_STATUS_UNIT_SHARED | - ZFCP_STATUS_UNIT_READONLY, - &unit->status); + ZFCP_STATUS_LUN_SHARED | ZFCP_STATUS_LUN_READONLY, + &zfcp_sdev->status); } -static int zfcp_erp_unit_strategy_close(struct zfcp_erp_action *erp_action) +static int zfcp_erp_lun_strategy_close(struct zfcp_erp_action *erp_action) { - int retval = zfcp_fsf_close_unit(erp_action); + int retval = zfcp_fsf_close_lun(erp_action); if (retval == -ENOMEM) return ZFCP_ERP_NOMEM; - erp_action->step = ZFCP_ERP_STEP_UNIT_CLOSING; + erp_action->step = ZFCP_ERP_STEP_LUN_CLOSING; if (retval) return ZFCP_ERP_FAILED; return ZFCP_ERP_CONTINUES; } -static int zfcp_erp_unit_strategy_open(struct zfcp_erp_action *erp_action) +static int zfcp_erp_lun_strategy_open(struct zfcp_erp_action *erp_action) { - int retval = zfcp_fsf_open_unit(erp_action); + int retval = zfcp_fsf_open_lun(erp_action); if (retval == -ENOMEM) return ZFCP_ERP_NOMEM; - erp_action->step = ZFCP_ERP_STEP_UNIT_OPENING; + erp_action->step = ZFCP_ERP_STEP_LUN_OPENING; if (retval) return ZFCP_ERP_FAILED; return ZFCP_ERP_CONTINUES; } -static int zfcp_erp_unit_strategy(struct zfcp_erp_action *erp_action) +static int zfcp_erp_lun_strategy(struct zfcp_erp_action *erp_action) { - struct zfcp_unit *unit = erp_action->unit; + struct scsi_device *sdev = erp_action->sdev; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); switch (erp_action->step) { case ZFCP_ERP_STEP_UNINITIALIZED: - zfcp_erp_unit_strategy_clearstati(unit); - if (atomic_read(&unit->status) & ZFCP_STATUS_COMMON_OPEN) - return zfcp_erp_unit_strategy_close(erp_action); + zfcp_erp_lun_strategy_clearstati(sdev); + if (atomic_read(&zfcp_sdev->status) & ZFCP_STATUS_COMMON_OPEN) + return zfcp_erp_lun_strategy_close(erp_action); /* already closed, fall through */ - case ZFCP_ERP_STEP_UNIT_CLOSING: - if (atomic_read(&unit->status) & ZFCP_STATUS_COMMON_OPEN) + case ZFCP_ERP_STEP_LUN_CLOSING: + if (atomic_read(&zfcp_sdev->status) & ZFCP_STATUS_COMMON_OPEN) return ZFCP_ERP_FAILED; if (erp_action->status & ZFCP_STATUS_ERP_CLOSE_ONLY) return ZFCP_ERP_EXIT; - return zfcp_erp_unit_strategy_open(erp_action); + return zfcp_erp_lun_strategy_open(erp_action); - case ZFCP_ERP_STEP_UNIT_OPENING: - if (atomic_read(&unit->status) & ZFCP_STATUS_COMMON_OPEN) + case ZFCP_ERP_STEP_LUN_OPENING: + if (atomic_read(&zfcp_sdev->status) & ZFCP_STATUS_COMMON_OPEN) return ZFCP_ERP_SUCCEEDED; } return ZFCP_ERP_FAILED; } -static int zfcp_erp_strategy_check_unit(struct zfcp_unit *unit, int result) +static int zfcp_erp_strategy_check_lun(struct scsi_device *sdev, int result) { + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); + switch (result) { case ZFCP_ERP_SUCCEEDED : - atomic_set(&unit->erp_counter, 0); - zfcp_erp_unit_unblock(unit); + atomic_set(&zfcp_sdev->erp_counter, 0); + zfcp_erp_lun_unblock(sdev); break; case ZFCP_ERP_FAILED : - atomic_inc(&unit->erp_counter); - if (atomic_read(&unit->erp_counter) > ZFCP_MAX_ERPS) { - dev_err(&unit->port->adapter->ccw_device->dev, - "ERP failed for unit 0x%016Lx on " + atomic_inc(&zfcp_sdev->erp_counter); + if (atomic_read(&zfcp_sdev->erp_counter) > ZFCP_MAX_ERPS) { + dev_err(&zfcp_sdev->port->adapter->ccw_device->dev, + "ERP failed for LUN 0x%016Lx on " "port 0x%016Lx\n", - (unsigned long long)unit->fcp_lun, - (unsigned long long)unit->port->wwpn); - zfcp_erp_unit_failed(unit, "erusck1", NULL); + (unsigned long long)zfcp_scsi_dev_lun(sdev), + (unsigned long long)zfcp_sdev->port->wwpn); + zfcp_erp_set_lun_status(sdev, + ZFCP_STATUS_COMMON_ERP_FAILED); } break; } - if (atomic_read(&unit->status) & ZFCP_STATUS_COMMON_ERP_FAILED) { - zfcp_erp_unit_block(unit, 0); + if (atomic_read(&zfcp_sdev->status) & ZFCP_STATUS_COMMON_ERP_FAILED) { + zfcp_erp_lun_block(sdev, 0); result = ZFCP_ERP_EXIT; } return result; @@ -1032,7 +1066,8 @@ static int zfcp_erp_strategy_check_port(struct zfcp_port *port, int result) dev_err(&port->adapter->ccw_device->dev, "ERP failed for remote port 0x%016Lx\n", (unsigned long long)port->wwpn); - zfcp_erp_port_failed(port, "erpsck1", NULL); + zfcp_erp_set_port_status(port, + ZFCP_STATUS_COMMON_ERP_FAILED); } break; } @@ -1059,7 +1094,8 @@ static int zfcp_erp_strategy_check_adapter(struct zfcp_adapter *adapter, dev_err(&adapter->ccw_device->dev, "ERP cannot recover an error " "on the FCP device\n"); - zfcp_erp_adapter_failed(adapter, "erasck1", NULL); + zfcp_erp_set_adapter_status(adapter, + ZFCP_STATUS_COMMON_ERP_FAILED); } break; } @@ -1076,12 +1112,12 @@ static int zfcp_erp_strategy_check_target(struct zfcp_erp_action *erp_action, { struct zfcp_adapter *adapter = erp_action->adapter; struct zfcp_port *port = erp_action->port; - struct zfcp_unit *unit = erp_action->unit; + struct scsi_device *sdev = erp_action->sdev; switch (erp_action->action) { - case ZFCP_ERP_ACTION_REOPEN_UNIT: - result = zfcp_erp_strategy_check_unit(unit, result); + case ZFCP_ERP_ACTION_REOPEN_LUN: + result = zfcp_erp_strategy_check_lun(sdev, result); break; case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED: @@ -1116,7 +1152,8 @@ static int zfcp_erp_strategy_statechange(struct zfcp_erp_action *act, int ret) int action = act->action; struct zfcp_adapter *adapter = act->adapter; struct zfcp_port *port = act->port; - struct zfcp_unit *unit = act->unit; + struct scsi_device *sdev = act->sdev; + struct zfcp_scsi_dev *zfcp_sdev; u32 erp_status = act->status; switch (action) { @@ -1139,11 +1176,12 @@ static int zfcp_erp_strategy_statechange(struct zfcp_erp_action *act, int ret) } break; - case ZFCP_ERP_ACTION_REOPEN_UNIT: - if (zfcp_erp_strat_change_det(&unit->status, erp_status)) { - _zfcp_erp_unit_reopen(unit, - ZFCP_STATUS_COMMON_ERP_FAILED, - "ersscg3", NULL); + case ZFCP_ERP_ACTION_REOPEN_LUN: + zfcp_sdev = sdev_to_zfcp(sdev); + if (zfcp_erp_strat_change_det(&zfcp_sdev->status, erp_status)) { + _zfcp_erp_lun_reopen(sdev, + ZFCP_STATUS_COMMON_ERP_FAILED, + "ersscg3", NULL, 0); return ZFCP_ERP_EXIT; } break; @@ -1154,6 +1192,7 @@ static int zfcp_erp_strategy_statechange(struct zfcp_erp_action *act, int ret) static void zfcp_erp_action_dequeue(struct zfcp_erp_action *erp_action) { struct zfcp_adapter *adapter = erp_action->adapter; + struct zfcp_scsi_dev *zfcp_sdev; adapter->erp_total_count--; if (erp_action->status & ZFCP_STATUS_ERP_LOWMEM) { @@ -1165,9 +1204,10 @@ static void zfcp_erp_action_dequeue(struct zfcp_erp_action *erp_action) zfcp_dbf_rec_action("eractd1", erp_action); switch (erp_action->action) { - case ZFCP_ERP_ACTION_REOPEN_UNIT: + case ZFCP_ERP_ACTION_REOPEN_LUN: + zfcp_sdev = sdev_to_zfcp(erp_action->sdev); atomic_clear_mask(ZFCP_STATUS_COMMON_ERP_INUSE, - &erp_action->unit->status); + &zfcp_sdev->status); break; case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED: @@ -1187,11 +1227,12 @@ static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result) { struct zfcp_adapter *adapter = act->adapter; struct zfcp_port *port = act->port; - struct zfcp_unit *unit = act->unit; + struct scsi_device *sdev = act->sdev; switch (act->action) { - case ZFCP_ERP_ACTION_REOPEN_UNIT: - put_device(&unit->dev); + case ZFCP_ERP_ACTION_REOPEN_LUN: + if (!(act->status & ZFCP_STATUS_ERP_NO_REF)) + scsi_device_put(sdev); break; case ZFCP_ERP_ACTION_REOPEN_PORT: @@ -1222,8 +1263,8 @@ static int zfcp_erp_strategy_do_action(struct zfcp_erp_action *erp_action) return zfcp_erp_port_forced_strategy(erp_action); case ZFCP_ERP_ACTION_REOPEN_PORT: return zfcp_erp_port_strategy(erp_action); - case ZFCP_ERP_ACTION_REOPEN_UNIT: - return zfcp_erp_unit_strategy(erp_action); + case ZFCP_ERP_ACTION_REOPEN_LUN: + return zfcp_erp_lun_strategy(erp_action); } return ZFCP_ERP_FAILED; } @@ -1376,42 +1417,6 @@ void zfcp_erp_thread_kill(struct zfcp_adapter *adapter) } /** - * zfcp_erp_adapter_failed - Set adapter status to failed. - * @adapter: Failed adapter. - * @id: Event id for debug trace. - * @ref: Reference for debug trace. - */ -void zfcp_erp_adapter_failed(struct zfcp_adapter *adapter, char *id, void *ref) -{ - zfcp_erp_modify_adapter_status(adapter, id, ref, - ZFCP_STATUS_COMMON_ERP_FAILED, ZFCP_SET); -} - -/** - * zfcp_erp_port_failed - Set port status to failed. - * @port: Failed port. - * @id: Event id for debug trace. - * @ref: Reference for debug trace. - */ -void zfcp_erp_port_failed(struct zfcp_port *port, char *id, void *ref) -{ - zfcp_erp_modify_port_status(port, id, ref, - ZFCP_STATUS_COMMON_ERP_FAILED, ZFCP_SET); -} - -/** - * zfcp_erp_unit_failed - Set unit status to failed. - * @unit: Failed unit. - * @id: Event id for debug trace. - * @ref: Reference for debug trace. - */ -void zfcp_erp_unit_failed(struct zfcp_unit *unit, char *id, void *ref) -{ - zfcp_erp_modify_unit_status(unit, id, ref, - ZFCP_STATUS_COMMON_ERP_FAILED, ZFCP_SET); -} - -/** * zfcp_erp_wait - wait for completion of error recovery on an adapter * @adapter: adapter for which to wait for completion of its error recovery */ @@ -1423,210 +1428,148 @@ void zfcp_erp_wait(struct zfcp_adapter *adapter) } /** - * zfcp_erp_modify_adapter_status - change adapter status bits + * zfcp_erp_set_adapter_status - set adapter status bits * @adapter: adapter to change the status - * @id: id for the debug trace - * @ref: reference for the debug trace * @mask: status bits to change - * @set_or_clear: ZFCP_SET or ZFCP_CLEAR * - * Changes in common status bits are propagated to attached ports and units. + * Changes in common status bits are propagated to attached ports and LUNs. */ -void zfcp_erp_modify_adapter_status(struct zfcp_adapter *adapter, char *id, - void *ref, u32 mask, int set_or_clear) +void zfcp_erp_set_adapter_status(struct zfcp_adapter *adapter, u32 mask) { struct zfcp_port *port; + struct scsi_device *sdev; unsigned long flags; u32 common_mask = mask & ZFCP_COMMON_FLAGS; - if (set_or_clear == ZFCP_SET) { - if (status_change_set(mask, &adapter->status)) - zfcp_dbf_rec_adapter(id, ref, adapter->dbf); - atomic_set_mask(mask, &adapter->status); - } else { - if (status_change_clear(mask, &adapter->status)) - zfcp_dbf_rec_adapter(id, ref, adapter->dbf); - atomic_clear_mask(mask, &adapter->status); - if (mask & ZFCP_STATUS_COMMON_ERP_FAILED) - atomic_set(&adapter->erp_counter, 0); - } + atomic_set_mask(mask, &adapter->status); - if (common_mask) { - read_lock_irqsave(&adapter->port_list_lock, flags); - list_for_each_entry(port, &adapter->port_list, list) - zfcp_erp_modify_port_status(port, id, ref, common_mask, - set_or_clear); - read_unlock_irqrestore(&adapter->port_list_lock, flags); - } + if (!common_mask) + return; + + read_lock_irqsave(&adapter->port_list_lock, flags); + list_for_each_entry(port, &adapter->port_list, list) + atomic_set_mask(common_mask, &port->status); + read_unlock_irqrestore(&adapter->port_list_lock, flags); + + shost_for_each_device(sdev, adapter->scsi_host) + atomic_set_mask(common_mask, &sdev_to_zfcp(sdev)->status); } /** - * zfcp_erp_modify_port_status - change port status bits - * @port: port to change the status bits - * @id: id for the debug trace - * @ref: reference for the debug trace + * zfcp_erp_clear_adapter_status - clear adapter status bits + * @adapter: adapter to change the status * @mask: status bits to change - * @set_or_clear: ZFCP_SET or ZFCP_CLEAR * - * Changes in common status bits are propagated to attached units. + * Changes in common status bits are propagated to attached ports and LUNs. */ -void zfcp_erp_modify_port_status(struct zfcp_port *port, char *id, void *ref, - u32 mask, int set_or_clear) +void zfcp_erp_clear_adapter_status(struct zfcp_adapter *adapter, u32 mask) { - struct zfcp_unit *unit; + struct zfcp_port *port; + struct scsi_device *sdev; unsigned long flags; u32 common_mask = mask & ZFCP_COMMON_FLAGS; + u32 clear_counter = mask & ZFCP_STATUS_COMMON_ERP_FAILED; + + atomic_clear_mask(mask, &adapter->status); + + if (!common_mask) + return; + + if (clear_counter) + atomic_set(&adapter->erp_counter, 0); - if (set_or_clear == ZFCP_SET) { - if (status_change_set(mask, &port->status)) - zfcp_dbf_rec_port(id, ref, port); - atomic_set_mask(mask, &port->status); - } else { - if (status_change_clear(mask, &port->status)) - zfcp_dbf_rec_port(id, ref, port); - atomic_clear_mask(mask, &port->status); - if (mask & ZFCP_STATUS_COMMON_ERP_FAILED) + read_lock_irqsave(&adapter->port_list_lock, flags); + list_for_each_entry(port, &adapter->port_list, list) { + atomic_clear_mask(common_mask, &port->status); + if (clear_counter) atomic_set(&port->erp_counter, 0); } + read_unlock_irqrestore(&adapter->port_list_lock, flags); - if (common_mask) { - read_lock_irqsave(&port->unit_list_lock, flags); - list_for_each_entry(unit, &port->unit_list, list) - zfcp_erp_modify_unit_status(unit, id, ref, common_mask, - set_or_clear); - read_unlock_irqrestore(&port->unit_list_lock, flags); + shost_for_each_device(sdev, adapter->scsi_host) { + atomic_clear_mask(common_mask, &sdev_to_zfcp(sdev)->status); + if (clear_counter) + atomic_set(&sdev_to_zfcp(sdev)->erp_counter, 0); } } /** - * zfcp_erp_modify_unit_status - change unit status bits - * @unit: unit to change the status bits - * @id: id for the debug trace - * @ref: reference for the debug trace + * zfcp_erp_set_port_status - set port status bits + * @port: port to change the status * @mask: status bits to change - * @set_or_clear: ZFCP_SET or ZFCP_CLEAR - */ -void zfcp_erp_modify_unit_status(struct zfcp_unit *unit, char *id, void *ref, - u32 mask, int set_or_clear) -{ - if (set_or_clear == ZFCP_SET) { - if (status_change_set(mask, &unit->status)) - zfcp_dbf_rec_unit(id, ref, unit); - atomic_set_mask(mask, &unit->status); - } else { - if (status_change_clear(mask, &unit->status)) - zfcp_dbf_rec_unit(id, ref, unit); - atomic_clear_mask(mask, &unit->status); - if (mask & ZFCP_STATUS_COMMON_ERP_FAILED) { - atomic_set(&unit->erp_counter, 0); - } - } -} - -/** - * zfcp_erp_port_boxed - Mark port as "boxed" and start ERP - * @port: The "boxed" port. - * @id: The debug trace id. - * @id: Reference for the debug trace. + * + * Changes in common status bits are propagated to attached LUNs. */ -void zfcp_erp_port_boxed(struct zfcp_port *port, char *id, void *ref) +void zfcp_erp_set_port_status(struct zfcp_port *port, u32 mask) { - zfcp_erp_modify_port_status(port, id, ref, - ZFCP_STATUS_COMMON_ACCESS_BOXED, ZFCP_SET); - zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED, id, ref); -} + struct scsi_device *sdev; + u32 common_mask = mask & ZFCP_COMMON_FLAGS; -/** - * zfcp_erp_unit_boxed - Mark unit as "boxed" and start ERP - * @port: The "boxed" unit. - * @id: The debug trace id. - * @id: Reference for the debug trace. - */ -void zfcp_erp_unit_boxed(struct zfcp_unit *unit, char *id, void *ref) -{ - zfcp_erp_modify_unit_status(unit, id, ref, - ZFCP_STATUS_COMMON_ACCESS_BOXED, ZFCP_SET); - zfcp_erp_unit_reopen(unit, ZFCP_STATUS_COMMON_ERP_FAILED, id, ref); -} + atomic_set_mask(mask, &port->status); -/** - * zfcp_erp_port_access_denied - Adapter denied access to port. - * @port: port where access has been denied - * @id: id for debug trace - * @ref: reference for debug trace - * - * Since the adapter has denied access, stop using the port and the - * attached units. - */ -void zfcp_erp_port_access_denied(struct zfcp_port *port, char *id, void *ref) -{ - zfcp_erp_modify_port_status(port, id, ref, - ZFCP_STATUS_COMMON_ERP_FAILED | - ZFCP_STATUS_COMMON_ACCESS_DENIED, ZFCP_SET); + if (!common_mask) + return; + + shost_for_each_device(sdev, port->adapter->scsi_host) + if (sdev_to_zfcp(sdev)->port == port) + atomic_set_mask(common_mask, + &sdev_to_zfcp(sdev)->status); } /** - * zfcp_erp_unit_access_denied - Adapter denied access to unit. - * @unit: unit where access has been denied - * @id: id for debug trace - * @ref: reference for debug trace + * zfcp_erp_clear_port_status - clear port status bits + * @port: adapter to change the status + * @mask: status bits to change * - * Since the adapter has denied access, stop using the unit. + * Changes in common status bits are propagated to attached LUNs. */ -void zfcp_erp_unit_access_denied(struct zfcp_unit *unit, char *id, void *ref) +void zfcp_erp_clear_port_status(struct zfcp_port *port, u32 mask) { - zfcp_erp_modify_unit_status(unit, id, ref, - ZFCP_STATUS_COMMON_ERP_FAILED | - ZFCP_STATUS_COMMON_ACCESS_DENIED, ZFCP_SET); -} + struct scsi_device *sdev; + u32 common_mask = mask & ZFCP_COMMON_FLAGS; + u32 clear_counter = mask & ZFCP_STATUS_COMMON_ERP_FAILED; -static void zfcp_erp_unit_access_changed(struct zfcp_unit *unit, char *id, - void *ref) -{ - int status = atomic_read(&unit->status); - if (!(status & (ZFCP_STATUS_COMMON_ACCESS_DENIED | - ZFCP_STATUS_COMMON_ACCESS_BOXED))) + atomic_clear_mask(mask, &port->status); + + if (!common_mask) return; - zfcp_erp_unit_reopen(unit, ZFCP_STATUS_COMMON_ERP_FAILED, id, ref); + if (clear_counter) + atomic_set(&port->erp_counter, 0); + + shost_for_each_device(sdev, port->adapter->scsi_host) + if (sdev_to_zfcp(sdev)->port == port) { + atomic_clear_mask(common_mask, + &sdev_to_zfcp(sdev)->status); + if (clear_counter) + atomic_set(&sdev_to_zfcp(sdev)->erp_counter, 0); + } } -static void zfcp_erp_port_access_changed(struct zfcp_port *port, char *id, - void *ref) +/** + * zfcp_erp_set_lun_status - set lun status bits + * @sdev: SCSI device / lun to set the status bits + * @mask: status bits to change + */ +void zfcp_erp_set_lun_status(struct scsi_device *sdev, u32 mask) { - struct zfcp_unit *unit; - unsigned long flags; - int status = atomic_read(&port->status); + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); - if (!(status & (ZFCP_STATUS_COMMON_ACCESS_DENIED | - ZFCP_STATUS_COMMON_ACCESS_BOXED))) { - read_lock_irqsave(&port->unit_list_lock, flags); - list_for_each_entry(unit, &port->unit_list, list) - zfcp_erp_unit_access_changed(unit, id, ref); - read_unlock_irqrestore(&port->unit_list_lock, flags); - return; - } - - zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED, id, ref); + atomic_set_mask(mask, &zfcp_sdev->status); } /** - * zfcp_erp_adapter_access_changed - Process change in adapter ACT - * @adapter: Adapter where the Access Control Table (ACT) changed - * @id: Id for debug trace - * @ref: Reference for debug trace + * zfcp_erp_clear_lun_status - clear lun status bits + * @sdev: SCSi device / lun to clear the status bits + * @mask: status bits to change */ -void zfcp_erp_adapter_access_changed(struct zfcp_adapter *adapter, char *id, - void *ref) +void zfcp_erp_clear_lun_status(struct scsi_device *sdev, u32 mask) { - unsigned long flags; - struct zfcp_port *port; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); - if (adapter->connection_features & FSF_FEATURE_NPIV_MODE) - return; + atomic_clear_mask(mask, &zfcp_sdev->status); - read_lock_irqsave(&adapter->port_list_lock, flags); - list_for_each_entry(port, &adapter->port_list, list) - zfcp_erp_port_access_changed(port, id, ref); - read_unlock_irqrestore(&adapter->port_list_lock, flags); + if (mask & ZFCP_STATUS_COMMON_ERP_FAILED) + atomic_set(&zfcp_sdev->erp_counter, 0); } + diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index 3b93239c6f69..bf8f3e514839 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -15,12 +15,10 @@ #include "zfcp_fc.h" /* zfcp_aux.c */ -extern struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *, u64); extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64); extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *); extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32, u32); -extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, u64); extern void zfcp_sg_free_table(struct scatterlist *, int); extern int zfcp_sg_setup_table(struct scatterlist *, int); extern void zfcp_device_unregister(struct device *, @@ -36,6 +34,14 @@ extern void zfcp_ccw_adapter_put(struct zfcp_adapter *); /* zfcp_cfdc.c */ extern struct miscdevice zfcp_cfdc_misc; +extern void zfcp_cfdc_port_denied(struct zfcp_port *, union fsf_status_qual *); +extern void zfcp_cfdc_lun_denied(struct scsi_device *, union fsf_status_qual *); +extern void zfcp_cfdc_lun_shrng_vltn(struct scsi_device *, + union fsf_status_qual *); +extern int zfcp_cfdc_open_lun_eval(struct scsi_device *, + struct fsf_qtcb_bottom_support *); +extern void zfcp_cfdc_adapter_access_changed(struct zfcp_adapter *); + /* zfcp_dbf.c */ extern int zfcp_dbf_adapter_register(struct zfcp_adapter *); @@ -44,10 +50,10 @@ extern void zfcp_dbf_rec_thread(char *, struct zfcp_dbf *); extern void zfcp_dbf_rec_thread_lock(char *, struct zfcp_dbf *); extern void zfcp_dbf_rec_adapter(char *, void *, struct zfcp_dbf *); extern void zfcp_dbf_rec_port(char *, void *, struct zfcp_port *); -extern void zfcp_dbf_rec_unit(char *, void *, struct zfcp_unit *); +extern void zfcp_dbf_rec_lun(char *, void *, struct scsi_device *); extern void zfcp_dbf_rec_trigger(char *, void *, u8, u8, void *, struct zfcp_adapter *, struct zfcp_port *, - struct zfcp_unit *); + struct scsi_device *); extern void zfcp_dbf_rec_action(char *, struct zfcp_erp_action *); extern void _zfcp_dbf_hba_fsf_response(const char *, int, struct zfcp_fsf_req *, struct zfcp_dbf *); @@ -65,34 +71,26 @@ extern void _zfcp_dbf_scsi(const char *, const char *, int, struct zfcp_dbf *, unsigned long); /* zfcp_erp.c */ -extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, char *, - void *, u32, int); +extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32); +extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32); extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *, void *); extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *, void *); -extern void zfcp_erp_adapter_failed(struct zfcp_adapter *, char *, void *); -extern void zfcp_erp_modify_port_status(struct zfcp_port *, char *, void *, u32, - int); +extern void zfcp_erp_set_port_status(struct zfcp_port *, u32); +extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32); extern int zfcp_erp_port_reopen(struct zfcp_port *, int, char *, void *); extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *, void *); extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *, void *); -extern void zfcp_erp_port_failed(struct zfcp_port *, char *, void *); -extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, char *, void *, u32, - int); -extern void zfcp_erp_unit_reopen(struct zfcp_unit *, int, char *, void *); -extern void zfcp_erp_unit_shutdown(struct zfcp_unit *, int, char *, void *); -extern void zfcp_erp_unit_failed(struct zfcp_unit *, char *, void *); +extern void zfcp_erp_set_lun_status(struct scsi_device *, u32); +extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32); +extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *, void *); +extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *, void *); +extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *); extern int zfcp_erp_thread_setup(struct zfcp_adapter *); extern void zfcp_erp_thread_kill(struct zfcp_adapter *); extern void zfcp_erp_wait(struct zfcp_adapter *); extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long); -extern void zfcp_erp_port_boxed(struct zfcp_port *, char *, void *); -extern void zfcp_erp_unit_boxed(struct zfcp_unit *, char *, void *); -extern void zfcp_erp_port_access_denied(struct zfcp_port *, char *, void *); -extern void zfcp_erp_unit_access_denied(struct zfcp_unit *, char *, void *); -extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *, char *, - void *); extern void zfcp_erp_timeout_handler(unsigned long); /* zfcp_fc.c */ @@ -118,8 +116,8 @@ extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *); extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *); extern int zfcp_fsf_close_port(struct zfcp_erp_action *); extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *); -extern int zfcp_fsf_open_unit(struct zfcp_erp_action *); -extern int zfcp_fsf_close_unit(struct zfcp_erp_action *); +extern int zfcp_fsf_open_lun(struct zfcp_erp_action *); +extern int zfcp_fsf_close_lun(struct zfcp_erp_action *); extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *); extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *, struct fsf_qtcb_bottom_config *); @@ -135,12 +133,10 @@ extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *, mempool_t *, unsigned int); extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32, struct zfcp_fsf_ct_els *, unsigned int); -extern int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *, - struct scsi_cmnd *); +extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *); extern void zfcp_fsf_req_free(struct zfcp_fsf_req *); -extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *, u8); -extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long, - struct zfcp_unit *); +extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *, u8); +extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *); extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int); /* zfcp_qdio.c */ @@ -163,8 +159,6 @@ extern void zfcp_scsi_rport_work(struct work_struct *); extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *); extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *); extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *); -extern void zfcp_scsi_scan(struct zfcp_unit *); -extern void zfcp_scsi_scan_work(struct work_struct *); extern void zfcp_scsi_set_prot(struct zfcp_adapter *); extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int); @@ -175,4 +169,13 @@ extern struct attribute_group zfcp_sysfs_port_attrs; extern struct device_attribute *zfcp_sysfs_sdev_attrs[]; extern struct device_attribute *zfcp_sysfs_shost_attrs[]; +/* zfcp_unit.c */ +extern int zfcp_unit_add(struct zfcp_port *, u64); +extern int zfcp_unit_remove(struct zfcp_port *, u64); +extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64); +extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit); +extern void zfcp_unit_scsi_scan(struct zfcp_unit *); +extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *); +extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *); + #endif /* ZFCP_EXT_H */ diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index 6f3ed2b9a349..86fd905df48b 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -365,7 +365,7 @@ void zfcp_fc_port_did_lookup(struct work_struct *work) } if (!port->d_id) { - zfcp_erp_port_failed(port, "fcgpn_2", NULL); + zfcp_erp_set_port_status(port, ZFCP_STATUS_COMMON_ERP_FAILED); goto out; } diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 9d1d7d1842ce..beaf0916ceab 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -61,45 +61,6 @@ static u32 fsf_qtcb_type[] = { [FSF_QTCB_UPLOAD_CONTROL_FILE] = FSF_SUPPORT_COMMAND }; -static void zfcp_act_eval_err(struct zfcp_adapter *adapter, u32 table) -{ - u16 subtable = table >> 16; - u16 rule = table & 0xffff; - const char *act_type[] = { "unknown", "OS", "WWPN", "DID", "LUN" }; - - if (subtable && subtable < ARRAY_SIZE(act_type)) - dev_warn(&adapter->ccw_device->dev, - "Access denied according to ACT rule type %s, " - "rule %d\n", act_type[subtable], rule); -} - -static void zfcp_fsf_access_denied_port(struct zfcp_fsf_req *req, - struct zfcp_port *port) -{ - struct fsf_qtcb_header *header = &req->qtcb->header; - dev_warn(&req->adapter->ccw_device->dev, - "Access denied to port 0x%016Lx\n", - (unsigned long long)port->wwpn); - zfcp_act_eval_err(req->adapter, header->fsf_status_qual.halfword[0]); - zfcp_act_eval_err(req->adapter, header->fsf_status_qual.halfword[1]); - zfcp_erp_port_access_denied(port, "fspad_1", req); - req->status |= ZFCP_STATUS_FSFREQ_ERROR; -} - -static void zfcp_fsf_access_denied_unit(struct zfcp_fsf_req *req, - struct zfcp_unit *unit) -{ - struct fsf_qtcb_header *header = &req->qtcb->header; - dev_warn(&req->adapter->ccw_device->dev, - "Access denied to unit 0x%016Lx on port 0x%016Lx\n", - (unsigned long long)unit->fcp_lun, - (unsigned long long)unit->port->wwpn); - zfcp_act_eval_err(req->adapter, header->fsf_status_qual.halfword[0]); - zfcp_act_eval_err(req->adapter, header->fsf_status_qual.halfword[1]); - zfcp_erp_unit_access_denied(unit, "fsuad_1", req); - req->status |= ZFCP_STATUS_FSFREQ_ERROR; -} - static void zfcp_fsf_class_not_supp(struct zfcp_fsf_req *req) { dev_err(&req->adapter->ccw_device->dev, "FCP device not " @@ -143,7 +104,7 @@ static void zfcp_fsf_status_read_port_closed(struct zfcp_fsf_req *req) read_unlock_irqrestore(&adapter->port_list_lock, flags); } -static void zfcp_fsf_link_down_info_eval(struct zfcp_fsf_req *req, char *id, +static void zfcp_fsf_link_down_info_eval(struct zfcp_fsf_req *req, struct fsf_link_down_info *link_down) { struct zfcp_adapter *adapter = req->adapter; @@ -223,7 +184,7 @@ static void zfcp_fsf_link_down_info_eval(struct zfcp_fsf_req *req, char *id, "the FC fabric is down\n"); } out: - zfcp_erp_adapter_failed(adapter, id, req); + zfcp_erp_set_adapter_status(adapter, ZFCP_STATUS_COMMON_ERP_FAILED); } static void zfcp_fsf_status_read_link_down(struct zfcp_fsf_req *req) @@ -234,13 +195,13 @@ static void zfcp_fsf_status_read_link_down(struct zfcp_fsf_req *req) switch (sr_buf->status_subtype) { case FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK: - zfcp_fsf_link_down_info_eval(req, "fssrld1", ldi); + zfcp_fsf_link_down_info_eval(req, ldi); break; case FSF_STATUS_READ_SUB_FDISC_FAILED: - zfcp_fsf_link_down_info_eval(req, "fssrld2", ldi); + zfcp_fsf_link_down_info_eval(req, ldi); break; case FSF_STATUS_READ_SUB_FIRMWARE_UPDATE: - zfcp_fsf_link_down_info_eval(req, "fssrld3", NULL); + zfcp_fsf_link_down_info_eval(req, NULL); }; } @@ -281,9 +242,8 @@ static void zfcp_fsf_status_read_handler(struct zfcp_fsf_req *req) dev_info(&adapter->ccw_device->dev, "The local link has been restored\n"); /* All ports should be marked as ready to run again */ - zfcp_erp_modify_adapter_status(adapter, "fssrh_1", NULL, - ZFCP_STATUS_COMMON_RUNNING, - ZFCP_SET); + zfcp_erp_set_adapter_status(adapter, + ZFCP_STATUS_COMMON_RUNNING); zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED | ZFCP_STATUS_COMMON_ERP_FAILED, @@ -293,13 +253,12 @@ static void zfcp_fsf_status_read_handler(struct zfcp_fsf_req *req) break; case FSF_STATUS_READ_NOTIFICATION_LOST: if (sr_buf->status_subtype & FSF_STATUS_READ_SUB_ACT_UPDATED) - zfcp_erp_adapter_access_changed(adapter, "fssrh_3", - req); + zfcp_cfdc_adapter_access_changed(adapter); if (sr_buf->status_subtype & FSF_STATUS_READ_SUB_INCOMING_ELS) queue_work(adapter->work_queue, &adapter->scan_work); break; case FSF_STATUS_READ_CFDC_UPDATED: - zfcp_erp_adapter_access_changed(adapter, "fssrh_4", req); + zfcp_cfdc_adapter_access_changed(adapter); break; case FSF_STATUS_READ_FEATURE_UPDATE_ALERT: adapter->adapter_features = sr_buf->payload.word[0]; @@ -399,16 +358,14 @@ static void zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *req) zfcp_erp_adapter_shutdown(adapter, 0, "fspse_4", req); break; case FSF_PROT_LINK_DOWN: - zfcp_fsf_link_down_info_eval(req, "fspse_5", - &psq->link_down_info); + zfcp_fsf_link_down_info_eval(req, &psq->link_down_info); /* go through reopen to flush pending requests */ zfcp_erp_adapter_reopen(adapter, 0, "fspse_6", req); break; case FSF_PROT_REEST_QUEUE: /* All ports should be marked as ready to run again */ - zfcp_erp_modify_adapter_status(adapter, "fspse_7", NULL, - ZFCP_STATUS_COMMON_RUNNING, - ZFCP_SET); + zfcp_erp_set_adapter_status(adapter, + ZFCP_STATUS_COMMON_RUNNING); zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED | ZFCP_STATUS_COMMON_ERP_FAILED, @@ -578,7 +535,7 @@ static void zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *req) atomic_set_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK, &adapter->status); - zfcp_fsf_link_down_info_eval(req, "fsecdh2", + zfcp_fsf_link_down_info_eval(req, &qtcb->header.fsf_status_qual.link_down_info); break; default: @@ -644,7 +601,7 @@ static void zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *req) break; case FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE: zfcp_fsf_exchange_port_evaluate(req); - zfcp_fsf_link_down_info_eval(req, "fsepdh1", + zfcp_fsf_link_down_info_eval(req, &qtcb->header.fsf_status_qual.link_down_info); break; } @@ -771,7 +728,7 @@ int zfcp_fsf_status_read(struct zfcp_qdio *qdio) struct fsf_status_read_buffer *sr_buf; int retval = -EIO; - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); if (zfcp_qdio_sbal_get(qdio)) goto out; @@ -805,13 +762,14 @@ failed_buf: zfcp_fsf_req_free(req); zfcp_dbf_hba_fsf_unsol("fail", adapter->dbf, NULL); out: - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); return retval; } static void zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *req) { - struct zfcp_unit *unit = req->data; + struct scsi_device *sdev = req->data; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); union fsf_status_qual *fsq = &req->qtcb->header.fsf_status_qual; if (req->status & ZFCP_STATUS_FSFREQ_ERROR) @@ -820,14 +778,15 @@ static void zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *req) switch (req->qtcb->header.fsf_status) { case FSF_PORT_HANDLE_NOT_VALID: if (fsq->word[0] == fsq->word[1]) { - zfcp_erp_adapter_reopen(unit->port->adapter, 0, + zfcp_erp_adapter_reopen(zfcp_sdev->port->adapter, 0, "fsafch1", req); req->status |= ZFCP_STATUS_FSFREQ_ERROR; } break; case FSF_LUN_HANDLE_NOT_VALID: if (fsq->word[0] == fsq->word[1]) { - zfcp_erp_port_reopen(unit->port, 0, "fsafch2", req); + zfcp_erp_port_reopen(zfcp_sdev->port, 0, "fsafch2", + req); req->status |= ZFCP_STATUS_FSFREQ_ERROR; } break; @@ -835,17 +794,23 @@ static void zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *req) req->status |= ZFCP_STATUS_FSFREQ_ABORTNOTNEEDED; break; case FSF_PORT_BOXED: - zfcp_erp_port_boxed(unit->port, "fsafch3", req); + zfcp_erp_set_port_status(zfcp_sdev->port, + ZFCP_STATUS_COMMON_ACCESS_BOXED); + zfcp_erp_port_reopen(zfcp_sdev->port, + ZFCP_STATUS_COMMON_ERP_FAILED, "fsafch3", + req); req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_LUN_BOXED: - zfcp_erp_unit_boxed(unit, "fsafch4", req); + zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_ACCESS_BOXED); + zfcp_erp_lun_reopen(sdev, ZFCP_STATUS_COMMON_ERP_FAILED, + "fsafch4", req); req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_ADAPTER_STATUS_AVAILABLE: switch (fsq->word[0]) { case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE: - zfcp_fc_test_link(unit->port); + zfcp_fc_test_link(zfcp_sdev->port); /* fall through */ case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED: req->status |= ZFCP_STATUS_FSFREQ_ERROR; @@ -859,19 +824,20 @@ static void zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *req) } /** - * zfcp_fsf_abort_fcp_command - abort running SCSI command - * @old_req_id: unsigned long - * @unit: pointer to struct zfcp_unit + * zfcp_fsf_abort_fcp_cmnd - abort running SCSI command + * @scmnd: The SCSI command to abort * Returns: pointer to struct zfcp_fsf_req */ -struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long old_req_id, - struct zfcp_unit *unit) +struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *scmnd) { struct zfcp_fsf_req *req = NULL; - struct zfcp_qdio *qdio = unit->port->adapter->qdio; + struct scsi_device *sdev = scmnd->device; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); + struct zfcp_qdio *qdio = zfcp_sdev->port->adapter->qdio; + unsigned long old_req_id = (unsigned long) scmnd->host_scribble; - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); if (zfcp_qdio_sbal_get(qdio)) goto out; req = zfcp_fsf_req_create(qdio, FSF_QTCB_ABORT_FCP_CMND, @@ -882,16 +848,16 @@ struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long old_req_id, goto out; } - if (unlikely(!(atomic_read(&unit->status) & + if (unlikely(!(atomic_read(&zfcp_sdev->status) & ZFCP_STATUS_COMMON_UNBLOCKED))) goto out_error_free; zfcp_qdio_set_sbale_last(qdio, &req->qdio_req); - req->data = unit; + req->data = zfcp_sdev; req->handler = zfcp_fsf_abort_fcp_command_handler; - req->qtcb->header.lun_handle = unit->handle; - req->qtcb->header.port_handle = unit->port->handle; + req->qtcb->header.lun_handle = zfcp_sdev->lun_handle; + req->qtcb->header.port_handle = zfcp_sdev->port->handle; req->qtcb->bottom.support.req_handle = (u64) old_req_id; zfcp_fsf_start_timer(req, ZFCP_SCSI_ER_TIMEOUT); @@ -902,7 +868,7 @@ out_error_free: zfcp_fsf_req_free(req); req = NULL; out: - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); return req; } @@ -1041,7 +1007,7 @@ int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *wka_port, struct zfcp_fsf_req *req; int ret = -EIO; - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); if (zfcp_qdio_sbal_get(qdio)) goto out; @@ -1073,7 +1039,7 @@ int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *wka_port, failed_send: zfcp_fsf_req_free(req); out: - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); return ret; } @@ -1111,8 +1077,10 @@ static void zfcp_fsf_send_els_handler(struct zfcp_fsf_req *req) case FSF_RESPONSE_SIZE_TOO_LARGE: break; case FSF_ACCESS_DENIED: - if (port) - zfcp_fsf_access_denied_port(req, port); + if (port) { + zfcp_cfdc_port_denied(port, &header->fsf_status_qual); + req->status |= ZFCP_STATUS_FSFREQ_ERROR; + } break; case FSF_SBAL_MISMATCH: /* should never occure, avoided in zfcp_fsf_send_els */ @@ -1137,7 +1105,7 @@ int zfcp_fsf_send_els(struct zfcp_adapter *adapter, u32 d_id, struct zfcp_qdio *qdio = adapter->qdio; int ret = -EIO; - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); if (zfcp_qdio_sbal_get(qdio)) goto out; @@ -1173,7 +1141,7 @@ int zfcp_fsf_send_els(struct zfcp_adapter *adapter, u32 d_id, failed_send: zfcp_fsf_req_free(req); out: - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); return ret; } @@ -1183,7 +1151,7 @@ int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action) struct zfcp_qdio *qdio = erp_action->adapter->qdio; int retval = -EIO; - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); if (zfcp_qdio_sbal_get(qdio)) goto out; @@ -1215,7 +1183,7 @@ int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action) erp_action->fsf_req_id = 0; } out: - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); return retval; } @@ -1225,7 +1193,7 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *qdio, struct zfcp_fsf_req *req = NULL; int retval = -EIO; - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); if (zfcp_qdio_sbal_get(qdio)) goto out_unlock; @@ -1251,7 +1219,7 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *qdio, zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT); retval = zfcp_fsf_req_send(req); - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); if (!retval) wait_for_completion(&req->completion); @@ -1259,7 +1227,7 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *qdio, return retval; out_unlock: - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); return retval; } @@ -1277,7 +1245,7 @@ int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action) if (!(qdio->adapter->adapter_features & FSF_FEATURE_HBAAPI_MANAGEMENT)) return -EOPNOTSUPP; - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); if (zfcp_qdio_sbal_get(qdio)) goto out; @@ -1304,7 +1272,7 @@ int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action) erp_action->fsf_req_id = 0; } out: - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); return retval; } @@ -1323,7 +1291,7 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *qdio, if (!(qdio->adapter->adapter_features & FSF_FEATURE_HBAAPI_MANAGEMENT)) return -EOPNOTSUPP; - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); if (zfcp_qdio_sbal_get(qdio)) goto out_unlock; @@ -1343,7 +1311,7 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *qdio, req->handler = zfcp_fsf_exchange_port_data_handler; zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT); retval = zfcp_fsf_req_send(req); - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); if (!retval) wait_for_completion(&req->completion); @@ -1353,7 +1321,7 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *qdio, return retval; out_unlock: - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); return retval; } @@ -1370,14 +1338,16 @@ static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req) case FSF_PORT_ALREADY_OPEN: break; case FSF_ACCESS_DENIED: - zfcp_fsf_access_denied_port(req, port); + zfcp_cfdc_port_denied(port, &header->fsf_status_qual); + req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_MAXIMUM_NUMBER_OF_PORTS_EXCEEDED: dev_warn(&req->adapter->ccw_device->dev, "Not enough FCP adapter resources to open " "remote port 0x%016Lx\n", (unsigned long long)port->wwpn); - zfcp_erp_port_failed(port, "fsoph_1", req); + zfcp_erp_set_port_status(port, + ZFCP_STATUS_COMMON_ERP_FAILED); req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_ADAPTER_STATUS_AVAILABLE: @@ -1437,7 +1407,7 @@ int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action) struct zfcp_fsf_req *req; int retval = -EIO; - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); if (zfcp_qdio_sbal_get(qdio)) goto out; @@ -1468,7 +1438,7 @@ int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action) put_device(&port->dev); } out: - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); return retval; } @@ -1487,9 +1457,7 @@ static void zfcp_fsf_close_port_handler(struct zfcp_fsf_req *req) case FSF_ADAPTER_STATUS_AVAILABLE: break; case FSF_GOOD: - zfcp_erp_modify_port_status(port, "fscph_2", req, - ZFCP_STATUS_COMMON_OPEN, - ZFCP_CLEAR); + zfcp_erp_clear_port_status(port, ZFCP_STATUS_COMMON_OPEN); break; } } @@ -1505,7 +1473,7 @@ int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action) struct zfcp_fsf_req *req; int retval = -EIO; - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); if (zfcp_qdio_sbal_get(qdio)) goto out; @@ -1534,7 +1502,7 @@ int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action) erp_action->fsf_req_id = 0; } out: - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); return retval; } @@ -1580,7 +1548,7 @@ int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *wka_port) struct zfcp_fsf_req *req; int retval = -EIO; - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); if (zfcp_qdio_sbal_get(qdio)) goto out; @@ -1605,7 +1573,7 @@ int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *wka_port) if (retval) zfcp_fsf_req_free(req); out: - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); return retval; } @@ -1633,7 +1601,7 @@ int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *wka_port) struct zfcp_fsf_req *req; int retval = -EIO; - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); if (zfcp_qdio_sbal_get(qdio)) goto out; @@ -1658,7 +1626,7 @@ int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *wka_port) if (retval) zfcp_fsf_req_free(req); out: - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); return retval; } @@ -1666,7 +1634,7 @@ static void zfcp_fsf_close_physical_port_handler(struct zfcp_fsf_req *req) { struct zfcp_port *port = req->data; struct fsf_qtcb_header *header = &req->qtcb->header; - struct zfcp_unit *unit; + struct scsi_device *sdev; if (req->status & ZFCP_STATUS_FSFREQ_ERROR) return; @@ -1677,18 +1645,19 @@ static void zfcp_fsf_close_physical_port_handler(struct zfcp_fsf_req *req) req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_ACCESS_DENIED: - zfcp_fsf_access_denied_port(req, port); + zfcp_cfdc_port_denied(port, &header->fsf_status_qual); break; case FSF_PORT_BOXED: /* can't use generic zfcp_erp_modify_port_status because * ZFCP_STATUS_COMMON_OPEN must not be reset for the port */ atomic_clear_mask(ZFCP_STATUS_PORT_PHYS_OPEN, &port->status); - read_lock(&port->unit_list_lock); - list_for_each_entry(unit, &port->unit_list, list) - atomic_clear_mask(ZFCP_STATUS_COMMON_OPEN, - &unit->status); - read_unlock(&port->unit_list_lock); - zfcp_erp_port_boxed(port, "fscpph2", req); + shost_for_each_device(sdev, port->adapter->scsi_host) + if (sdev_to_zfcp(sdev)->port == port) + atomic_clear_mask(ZFCP_STATUS_COMMON_OPEN, + &sdev_to_zfcp(sdev)->status); + zfcp_erp_set_port_status(port, ZFCP_STATUS_COMMON_ACCESS_BOXED); + zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED, + "fscpph2", req); req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_ADAPTER_STATUS_AVAILABLE: @@ -1705,11 +1674,10 @@ static void zfcp_fsf_close_physical_port_handler(struct zfcp_fsf_req *req) * ZFCP_STATUS_COMMON_OPEN must not be reset for the port */ atomic_clear_mask(ZFCP_STATUS_PORT_PHYS_OPEN, &port->status); - read_lock(&port->unit_list_lock); - list_for_each_entry(unit, &port->unit_list, list) - atomic_clear_mask(ZFCP_STATUS_COMMON_OPEN, - &unit->status); - read_unlock(&port->unit_list_lock); + shost_for_each_device(sdev, port->adapter->scsi_host) + if (sdev_to_zfcp(sdev)->port == port) + atomic_clear_mask(ZFCP_STATUS_COMMON_OPEN, + &sdev_to_zfcp(sdev)->status); break; } } @@ -1725,7 +1693,7 @@ int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action) struct zfcp_fsf_req *req; int retval = -EIO; - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); if (zfcp_qdio_sbal_get(qdio)) goto out; @@ -1754,69 +1722,57 @@ int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action) erp_action->fsf_req_id = 0; } out: - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); return retval; } -static void zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *req) +static void zfcp_fsf_open_lun_handler(struct zfcp_fsf_req *req) { struct zfcp_adapter *adapter = req->adapter; - struct zfcp_unit *unit = req->data; + struct scsi_device *sdev = req->data; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); struct fsf_qtcb_header *header = &req->qtcb->header; struct fsf_qtcb_bottom_support *bottom = &req->qtcb->bottom.support; - struct fsf_queue_designator *queue_designator = - &header->fsf_status_qual.fsf_queue_designator; - int exclusive, readwrite; if (req->status & ZFCP_STATUS_FSFREQ_ERROR) return; atomic_clear_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED | ZFCP_STATUS_COMMON_ACCESS_BOXED | - ZFCP_STATUS_UNIT_SHARED | - ZFCP_STATUS_UNIT_READONLY, - &unit->status); + ZFCP_STATUS_LUN_SHARED | + ZFCP_STATUS_LUN_READONLY, + &zfcp_sdev->status); switch (header->fsf_status) { case FSF_PORT_HANDLE_NOT_VALID: - zfcp_erp_adapter_reopen(unit->port->adapter, 0, "fsouh_1", req); + zfcp_erp_adapter_reopen(adapter, 0, "fsouh_1", req); /* fall through */ case FSF_LUN_ALREADY_OPEN: break; case FSF_ACCESS_DENIED: - zfcp_fsf_access_denied_unit(req, unit); - atomic_clear_mask(ZFCP_STATUS_UNIT_SHARED, &unit->status); - atomic_clear_mask(ZFCP_STATUS_UNIT_READONLY, &unit->status); + zfcp_cfdc_lun_denied(sdev, &header->fsf_status_qual); + req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_PORT_BOXED: - zfcp_erp_port_boxed(unit->port, "fsouh_2", req); + zfcp_erp_set_port_status(zfcp_sdev->port, + ZFCP_STATUS_COMMON_ACCESS_BOXED); + zfcp_erp_port_reopen(zfcp_sdev->port, + ZFCP_STATUS_COMMON_ERP_FAILED, "fsouh_2", + req); req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_LUN_SHARING_VIOLATION: - if (header->fsf_status_qual.word[0]) - dev_warn(&adapter->ccw_device->dev, - "LUN 0x%Lx on port 0x%Lx is already in " - "use by CSS%d, MIF Image ID %x\n", - (unsigned long long)unit->fcp_lun, - (unsigned long long)unit->port->wwpn, - queue_designator->cssid, - queue_designator->hla); - else - zfcp_act_eval_err(adapter, - header->fsf_status_qual.word[2]); - zfcp_erp_unit_access_denied(unit, "fsouh_3", req); - atomic_clear_mask(ZFCP_STATUS_UNIT_SHARED, &unit->status); - atomic_clear_mask(ZFCP_STATUS_UNIT_READONLY, &unit->status); + zfcp_cfdc_lun_shrng_vltn(sdev, &header->fsf_status_qual); req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_MAXIMUM_NUMBER_OF_LUNS_EXCEEDED: dev_warn(&adapter->ccw_device->dev, "No handle is available for LUN " "0x%016Lx on port 0x%016Lx\n", - (unsigned long long)unit->fcp_lun, - (unsigned long long)unit->port->wwpn); - zfcp_erp_unit_failed(unit, "fsouh_4", req); + (unsigned long long)zfcp_scsi_dev_lun(sdev), + (unsigned long long)zfcp_sdev->port->wwpn); + zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_ERP_FAILED); /* fall through */ case FSF_INVALID_COMMAND_OPTION: req->status |= ZFCP_STATUS_FSFREQ_ERROR; @@ -1824,7 +1780,7 @@ static void zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *req) case FSF_ADAPTER_STATUS_AVAILABLE: switch (header->fsf_status_qual.word[0]) { case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE: - zfcp_fc_test_link(unit->port); + zfcp_fc_test_link(zfcp_sdev->port); /* fall through */ case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED: req->status |= ZFCP_STATUS_FSFREQ_ERROR; @@ -1833,70 +1789,26 @@ static void zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *req) break; case FSF_GOOD: - unit->handle = header->lun_handle; - atomic_set_mask(ZFCP_STATUS_COMMON_OPEN, &unit->status); - - if (!(adapter->connection_features & FSF_FEATURE_NPIV_MODE) && - (adapter->adapter_features & FSF_FEATURE_LUN_SHARING) && - !zfcp_ccw_priv_sch(adapter)) { - exclusive = (bottom->lun_access_info & - FSF_UNIT_ACCESS_EXCLUSIVE); - readwrite = (bottom->lun_access_info & - FSF_UNIT_ACCESS_OUTBOUND_TRANSFER); - - if (!exclusive) - atomic_set_mask(ZFCP_STATUS_UNIT_SHARED, - &unit->status); - - if (!readwrite) { - atomic_set_mask(ZFCP_STATUS_UNIT_READONLY, - &unit->status); - dev_info(&adapter->ccw_device->dev, - "SCSI device at LUN 0x%016Lx on port " - "0x%016Lx opened read-only\n", - (unsigned long long)unit->fcp_lun, - (unsigned long long)unit->port->wwpn); - } - - if (exclusive && !readwrite) { - dev_err(&adapter->ccw_device->dev, - "Exclusive read-only access not " - "supported (unit 0x%016Lx, " - "port 0x%016Lx)\n", - (unsigned long long)unit->fcp_lun, - (unsigned long long)unit->port->wwpn); - zfcp_erp_unit_failed(unit, "fsouh_5", req); - req->status |= ZFCP_STATUS_FSFREQ_ERROR; - zfcp_erp_unit_shutdown(unit, 0, "fsouh_6", req); - } else if (!exclusive && readwrite) { - dev_err(&adapter->ccw_device->dev, - "Shared read-write access not " - "supported (unit 0x%016Lx, port " - "0x%016Lx)\n", - (unsigned long long)unit->fcp_lun, - (unsigned long long)unit->port->wwpn); - zfcp_erp_unit_failed(unit, "fsouh_7", req); - req->status |= ZFCP_STATUS_FSFREQ_ERROR; - zfcp_erp_unit_shutdown(unit, 0, "fsouh_8", req); - } - } + zfcp_sdev->lun_handle = header->lun_handle; + atomic_set_mask(ZFCP_STATUS_COMMON_OPEN, &zfcp_sdev->status); + zfcp_cfdc_open_lun_eval(sdev, bottom); break; } } /** - * zfcp_fsf_open_unit - open unit + * zfcp_fsf_open_lun - open LUN * @erp_action: pointer to struct zfcp_erp_action * Returns: 0 on success, error otherwise */ -int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action) +int zfcp_fsf_open_lun(struct zfcp_erp_action *erp_action) { struct zfcp_adapter *adapter = erp_action->adapter; struct zfcp_qdio *qdio = adapter->qdio; struct zfcp_fsf_req *req; int retval = -EIO; - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); if (zfcp_qdio_sbal_get(qdio)) goto out; @@ -1913,9 +1825,9 @@ int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action) zfcp_qdio_set_sbale_last(qdio, &req->qdio_req); req->qtcb->header.port_handle = erp_action->port->handle; - req->qtcb->bottom.support.fcp_lun = erp_action->unit->fcp_lun; - req->handler = zfcp_fsf_open_unit_handler; - req->data = erp_action->unit; + req->qtcb->bottom.support.fcp_lun = zfcp_scsi_dev_lun(erp_action->sdev); + req->handler = zfcp_fsf_open_lun_handler; + req->data = erp_action->sdev; req->erp_action = erp_action; erp_action->fsf_req_id = req->req_id; @@ -1929,34 +1841,40 @@ int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action) erp_action->fsf_req_id = 0; } out: - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); return retval; } -static void zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *req) +static void zfcp_fsf_close_lun_handler(struct zfcp_fsf_req *req) { - struct zfcp_unit *unit = req->data; + struct scsi_device *sdev = req->data; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); if (req->status & ZFCP_STATUS_FSFREQ_ERROR) return; switch (req->qtcb->header.fsf_status) { case FSF_PORT_HANDLE_NOT_VALID: - zfcp_erp_adapter_reopen(unit->port->adapter, 0, "fscuh_1", req); + zfcp_erp_adapter_reopen(zfcp_sdev->port->adapter, 0, "fscuh_1", + req); req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_LUN_HANDLE_NOT_VALID: - zfcp_erp_port_reopen(unit->port, 0, "fscuh_2", req); + zfcp_erp_port_reopen(zfcp_sdev->port, 0, "fscuh_2", req); req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_PORT_BOXED: - zfcp_erp_port_boxed(unit->port, "fscuh_3", req); + zfcp_erp_set_port_status(zfcp_sdev->port, + ZFCP_STATUS_COMMON_ACCESS_BOXED); + zfcp_erp_port_reopen(zfcp_sdev->port, + ZFCP_STATUS_COMMON_ERP_FAILED, "fscuh_3", + req); req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_ADAPTER_STATUS_AVAILABLE: switch (req->qtcb->header.fsf_status_qual.word[0]) { case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE: - zfcp_fc_test_link(unit->port); + zfcp_fc_test_link(zfcp_sdev->port); /* fall through */ case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED: req->status |= ZFCP_STATUS_FSFREQ_ERROR; @@ -1964,23 +1882,24 @@ static void zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *req) } break; case FSF_GOOD: - atomic_clear_mask(ZFCP_STATUS_COMMON_OPEN, &unit->status); + atomic_clear_mask(ZFCP_STATUS_COMMON_OPEN, &zfcp_sdev->status); break; } } /** - * zfcp_fsf_close_unit - close zfcp unit - * @erp_action: pointer to struct zfcp_unit + * zfcp_fsf_close_LUN - close LUN + * @erp_action: pointer to erp_action triggering the "close LUN" * Returns: 0 on success, error otherwise */ -int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action) +int zfcp_fsf_close_lun(struct zfcp_erp_action *erp_action) { struct zfcp_qdio *qdio = erp_action->adapter->qdio; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(erp_action->sdev); struct zfcp_fsf_req *req; int retval = -EIO; - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); if (zfcp_qdio_sbal_get(qdio)) goto out; @@ -1997,9 +1916,9 @@ int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action) zfcp_qdio_set_sbale_last(qdio, &req->qdio_req); req->qtcb->header.port_handle = erp_action->port->handle; - req->qtcb->header.lun_handle = erp_action->unit->handle; - req->handler = zfcp_fsf_close_unit_handler; - req->data = erp_action->unit; + req->qtcb->header.lun_handle = zfcp_sdev->lun_handle; + req->handler = zfcp_fsf_close_lun_handler; + req->data = erp_action->sdev; req->erp_action = erp_action; erp_action->fsf_req_id = req->req_id; @@ -2010,7 +1929,7 @@ int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action) erp_action->fsf_req_id = 0; } out: - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); return retval; } @@ -2025,7 +1944,7 @@ static void zfcp_fsf_req_trace(struct zfcp_fsf_req *req, struct scsi_cmnd *scsi) { struct fsf_qual_latency_info *lat_in; struct latency_cont *lat = NULL; - struct zfcp_unit *unit = req->unit; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scsi->device); struct zfcp_blk_drv_data blktrc; int ticks = req->adapter->timer_ticks; @@ -2048,24 +1967,24 @@ static void zfcp_fsf_req_trace(struct zfcp_fsf_req *req, struct scsi_cmnd *scsi) case FSF_DATADIR_DIF_READ_STRIP: case FSF_DATADIR_DIF_READ_CONVERT: case FSF_DATADIR_READ: - lat = &unit->latencies.read; + lat = &zfcp_sdev->latencies.read; break; case FSF_DATADIR_DIF_WRITE_INSERT: case FSF_DATADIR_DIF_WRITE_CONVERT: case FSF_DATADIR_WRITE: - lat = &unit->latencies.write; + lat = &zfcp_sdev->latencies.write; break; case FSF_DATADIR_CMND: - lat = &unit->latencies.cmd; + lat = &zfcp_sdev->latencies.cmd; break; } if (lat) { - spin_lock(&unit->latencies.lock); + spin_lock(&zfcp_sdev->latencies.lock); zfcp_fsf_update_lat(&lat->channel, lat_in->channel_lat); zfcp_fsf_update_lat(&lat->fabric, lat_in->fabric_lat); lat->counter++; - spin_unlock(&unit->latencies.lock); + spin_unlock(&zfcp_sdev->latencies.lock); } } @@ -2073,12 +1992,88 @@ static void zfcp_fsf_req_trace(struct zfcp_fsf_req *req, struct scsi_cmnd *scsi) sizeof(blktrc)); } -static void zfcp_fsf_send_fcp_command_task_handler(struct zfcp_fsf_req *req) +static void zfcp_fsf_fcp_handler_common(struct zfcp_fsf_req *req) +{ + struct scsi_cmnd *scmnd = req->data; + struct scsi_device *sdev = scmnd->device; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); + struct fsf_qtcb_header *header = &req->qtcb->header; + + if (unlikely(req->status & ZFCP_STATUS_FSFREQ_ERROR)) + return; + + switch (header->fsf_status) { + case FSF_HANDLE_MISMATCH: + case FSF_PORT_HANDLE_NOT_VALID: + zfcp_erp_adapter_reopen(zfcp_sdev->port->adapter, 0, "fssfch1", + req); + req->status |= ZFCP_STATUS_FSFREQ_ERROR; + break; + case FSF_FCPLUN_NOT_VALID: + case FSF_LUN_HANDLE_NOT_VALID: + zfcp_erp_port_reopen(zfcp_sdev->port, 0, "fssfch2", req); + req->status |= ZFCP_STATUS_FSFREQ_ERROR; + break; + case FSF_SERVICE_CLASS_NOT_SUPPORTED: + zfcp_fsf_class_not_supp(req); + break; + case FSF_ACCESS_DENIED: + zfcp_cfdc_lun_denied(sdev, &header->fsf_status_qual); + req->status |= ZFCP_STATUS_FSFREQ_ERROR; + break; + case FSF_DIRECTION_INDICATOR_NOT_VALID: + dev_err(&req->adapter->ccw_device->dev, + "Incorrect direction %d, LUN 0x%016Lx on port " + "0x%016Lx closed\n", + req->qtcb->bottom.io.data_direction, + (unsigned long long)zfcp_scsi_dev_lun(sdev), + (unsigned long long)zfcp_sdev->port->wwpn); + zfcp_erp_adapter_shutdown(zfcp_sdev->port->adapter, 0, + "fssfch3", req); + req->status |= ZFCP_STATUS_FSFREQ_ERROR; + break; + case FSF_CMND_LENGTH_NOT_VALID: + dev_err(&req->adapter->ccw_device->dev, + "Incorrect CDB length %d, LUN 0x%016Lx on " + "port 0x%016Lx closed\n", + req->qtcb->bottom.io.fcp_cmnd_length, + (unsigned long long)zfcp_scsi_dev_lun(sdev), + (unsigned long long)zfcp_sdev->port->wwpn); + zfcp_erp_adapter_shutdown(zfcp_sdev->port->adapter, 0, + "fssfch4", req); + req->status |= ZFCP_STATUS_FSFREQ_ERROR; + break; + case FSF_PORT_BOXED: + zfcp_erp_set_port_status(zfcp_sdev->port, + ZFCP_STATUS_COMMON_ACCESS_BOXED); + zfcp_erp_port_reopen(zfcp_sdev->port, + ZFCP_STATUS_COMMON_ERP_FAILED, "fssfch5", + req); + req->status |= ZFCP_STATUS_FSFREQ_ERROR; + break; + case FSF_LUN_BOXED: + zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_ACCESS_BOXED); + zfcp_erp_lun_reopen(sdev, ZFCP_STATUS_COMMON_ERP_FAILED, + "fssfch6", req); + req->status |= ZFCP_STATUS_FSFREQ_ERROR; + break; + case FSF_ADAPTER_STATUS_AVAILABLE: + if (header->fsf_status_qual.word[0] == + FSF_SQ_INVOKE_LINK_TEST_PROCEDURE) + zfcp_fc_test_link(zfcp_sdev->port); + req->status |= ZFCP_STATUS_FSFREQ_ERROR; + break; + } +} + +static void zfcp_fsf_fcp_cmnd_handler(struct zfcp_fsf_req *req) { struct scsi_cmnd *scpnt; struct fcp_resp_with_ext *fcp_rsp; unsigned long flags; + zfcp_fsf_fcp_handler_common(req); + read_lock_irqsave(&req->adapter->abort_lock, flags); scpnt = req->data; @@ -2125,97 +2120,6 @@ skip_fsfstatus: read_unlock_irqrestore(&req->adapter->abort_lock, flags); } -static void zfcp_fsf_send_fcp_ctm_handler(struct zfcp_fsf_req *req) -{ - struct fcp_resp_with_ext *fcp_rsp; - struct fcp_resp_rsp_info *rsp_info; - - fcp_rsp = (struct fcp_resp_with_ext *) &req->qtcb->bottom.io.fcp_rsp; - rsp_info = (struct fcp_resp_rsp_info *) &fcp_rsp[1]; - - if ((rsp_info->rsp_code != FCP_TMF_CMPL) || - (req->status & ZFCP_STATUS_FSFREQ_ERROR)) - req->status |= ZFCP_STATUS_FSFREQ_TMFUNCFAILED; -} - - -static void zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *req) -{ - struct zfcp_unit *unit; - struct fsf_qtcb_header *header = &req->qtcb->header; - - if (unlikely(req->status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT)) - unit = req->data; - else - unit = req->unit; - - if (unlikely(req->status & ZFCP_STATUS_FSFREQ_ERROR)) - goto skip_fsfstatus; - - switch (header->fsf_status) { - case FSF_HANDLE_MISMATCH: - case FSF_PORT_HANDLE_NOT_VALID: - zfcp_erp_adapter_reopen(unit->port->adapter, 0, "fssfch1", req); - req->status |= ZFCP_STATUS_FSFREQ_ERROR; - break; - case FSF_FCPLUN_NOT_VALID: - case FSF_LUN_HANDLE_NOT_VALID: - zfcp_erp_port_reopen(unit->port, 0, "fssfch2", req); - req->status |= ZFCP_STATUS_FSFREQ_ERROR; - break; - case FSF_SERVICE_CLASS_NOT_SUPPORTED: - zfcp_fsf_class_not_supp(req); - break; - case FSF_ACCESS_DENIED: - zfcp_fsf_access_denied_unit(req, unit); - break; - case FSF_DIRECTION_INDICATOR_NOT_VALID: - dev_err(&req->adapter->ccw_device->dev, - "Incorrect direction %d, unit 0x%016Lx on port " - "0x%016Lx closed\n", - req->qtcb->bottom.io.data_direction, - (unsigned long long)unit->fcp_lun, - (unsigned long long)unit->port->wwpn); - zfcp_erp_adapter_shutdown(unit->port->adapter, 0, "fssfch3", - req); - req->status |= ZFCP_STATUS_FSFREQ_ERROR; - break; - case FSF_CMND_LENGTH_NOT_VALID: - dev_err(&req->adapter->ccw_device->dev, - "Incorrect CDB length %d, unit 0x%016Lx on " - "port 0x%016Lx closed\n", - req->qtcb->bottom.io.fcp_cmnd_length, - (unsigned long long)unit->fcp_lun, - (unsigned long long)unit->port->wwpn); - zfcp_erp_adapter_shutdown(unit->port->adapter, 0, "fssfch4", - req); - req->status |= ZFCP_STATUS_FSFREQ_ERROR; - break; - case FSF_PORT_BOXED: - zfcp_erp_port_boxed(unit->port, "fssfch5", req); - req->status |= ZFCP_STATUS_FSFREQ_ERROR; - break; - case FSF_LUN_BOXED: - zfcp_erp_unit_boxed(unit, "fssfch6", req); - req->status |= ZFCP_STATUS_FSFREQ_ERROR; - break; - case FSF_ADAPTER_STATUS_AVAILABLE: - if (header->fsf_status_qual.word[0] == - FSF_SQ_INVOKE_LINK_TEST_PROCEDURE) - zfcp_fc_test_link(unit->port); - req->status |= ZFCP_STATUS_FSFREQ_ERROR; - break; - } -skip_fsfstatus: - if (req->status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT) - zfcp_fsf_send_fcp_ctm_handler(req); - else { - zfcp_fsf_send_fcp_command_task_handler(req); - req->unit = NULL; - put_device(&unit->dev); - } -} - static int zfcp_fsf_set_data_dir(struct scsi_cmnd *scsi_cmnd, u32 *data_dir) { switch (scsi_get_prot_op(scsi_cmnd)) { @@ -2255,22 +2159,22 @@ static int zfcp_fsf_set_data_dir(struct scsi_cmnd *scsi_cmnd, u32 *data_dir) } /** - * zfcp_fsf_send_fcp_command_task - initiate an FCP command (for a SCSI command) - * @unit: unit where command is sent to + * zfcp_fsf_fcp_cmnd - initiate an FCP command (for a SCSI command) * @scsi_cmnd: scsi command to be sent */ -int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *unit, - struct scsi_cmnd *scsi_cmnd) +int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *scsi_cmnd) { struct zfcp_fsf_req *req; struct fcp_cmnd *fcp_cmnd; unsigned int sbtype = SBAL_FLAGS0_TYPE_READ; int real_bytes, retval = -EIO, dix_bytes = 0; - struct zfcp_adapter *adapter = unit->port->adapter; + struct scsi_device *sdev = scsi_cmnd->device; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); + struct zfcp_adapter *adapter = zfcp_sdev->port->adapter; struct zfcp_qdio *qdio = adapter->qdio; struct fsf_qtcb_bottom_io *io; - if (unlikely(!(atomic_read(&unit->status) & + if (unlikely(!(atomic_read(&zfcp_sdev->status) & ZFCP_STATUS_COMMON_UNBLOCKED))) return -EBUSY; @@ -2295,11 +2199,10 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *unit, io = &req->qtcb->bottom.io; req->status |= ZFCP_STATUS_FSFREQ_CLEANUP; - req->unit = unit; req->data = scsi_cmnd; - req->handler = zfcp_fsf_send_fcp_command_handler; - req->qtcb->header.lun_handle = unit->handle; - req->qtcb->header.port_handle = unit->port->handle; + req->handler = zfcp_fsf_fcp_cmnd_handler; + req->qtcb->header.lun_handle = zfcp_sdev->lun_handle; + req->qtcb->header.port_handle = zfcp_sdev->port->handle; io->service_class = FSF_CLASS_3; io->fcp_cmnd_length = FCP_CMND_LEN; @@ -2310,8 +2213,6 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *unit, zfcp_fsf_set_data_dir(scsi_cmnd, &io->data_direction); - get_device(&unit->dev); - fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd; zfcp_fc_scsi_to_fcp(fcp_cmnd, scsi_cmnd); @@ -2338,7 +2239,6 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *unit, goto out; failed_scsi_cmnd: - put_device(&unit->dev); zfcp_fsf_req_free(req); scsi_cmnd->host_scribble = NULL; out: @@ -2346,23 +2246,40 @@ out: return retval; } +static void zfcp_fsf_fcp_task_mgmt_handler(struct zfcp_fsf_req *req) +{ + struct fcp_resp_with_ext *fcp_rsp; + struct fcp_resp_rsp_info *rsp_info; + + zfcp_fsf_fcp_handler_common(req); + + fcp_rsp = (struct fcp_resp_with_ext *) &req->qtcb->bottom.io.fcp_rsp; + rsp_info = (struct fcp_resp_rsp_info *) &fcp_rsp[1]; + + if ((rsp_info->rsp_code != FCP_TMF_CMPL) || + (req->status & ZFCP_STATUS_FSFREQ_ERROR)) + req->status |= ZFCP_STATUS_FSFREQ_TMFUNCFAILED; +} + /** - * zfcp_fsf_send_fcp_ctm - send SCSI task management command - * @unit: pointer to struct zfcp_unit + * zfcp_fsf_fcp_task_mgmt - send SCSI task management command + * @scmnd: SCSI command to send the task management command for * @tm_flags: unsigned byte for task management flags * Returns: on success pointer to struct fsf_req, NULL otherwise */ -struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *unit, u8 tm_flags) +struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *scmnd, + u8 tm_flags) { struct zfcp_fsf_req *req = NULL; struct fcp_cmnd *fcp_cmnd; - struct zfcp_qdio *qdio = unit->port->adapter->qdio; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scmnd->device); + struct zfcp_qdio *qdio = zfcp_sdev->port->adapter->qdio; - if (unlikely(!(atomic_read(&unit->status) & + if (unlikely(!(atomic_read(&zfcp_sdev->status) & ZFCP_STATUS_COMMON_UNBLOCKED))) return NULL; - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); if (zfcp_qdio_sbal_get(qdio)) goto out; @@ -2376,10 +2293,10 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *unit, u8 tm_flags) } req->status |= ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT; - req->data = unit; - req->handler = zfcp_fsf_send_fcp_command_handler; - req->qtcb->header.lun_handle = unit->handle; - req->qtcb->header.port_handle = unit->port->handle; + req->data = scmnd; + req->handler = zfcp_fsf_fcp_task_mgmt_handler; + req->qtcb->header.lun_handle = zfcp_sdev->lun_handle; + req->qtcb->header.port_handle = zfcp_sdev->port->handle; req->qtcb->bottom.io.data_direction = FSF_DATADIR_CMND; req->qtcb->bottom.io.service_class = FSF_CLASS_3; req->qtcb->bottom.io.fcp_cmnd_length = FCP_CMND_LEN; @@ -2387,7 +2304,7 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *unit, u8 tm_flags) zfcp_qdio_set_sbale_last(qdio, &req->qdio_req); fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd; - zfcp_fc_fcp_tm(fcp_cmnd, unit->device, tm_flags); + zfcp_fc_fcp_tm(fcp_cmnd, scmnd->device, tm_flags); zfcp_fsf_start_timer(req, ZFCP_SCSI_ER_TIMEOUT); if (!zfcp_fsf_req_send(req)) @@ -2396,7 +2313,7 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *unit, u8 tm_flags) zfcp_fsf_req_free(req); req = NULL; out: - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); return req; } @@ -2432,7 +2349,7 @@ struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter, return ERR_PTR(-EINVAL); } - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); if (zfcp_qdio_sbal_get(qdio)) goto out; @@ -2459,7 +2376,7 @@ struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter, zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT); retval = zfcp_fsf_req_send(req); out: - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); if (!retval) { wait_for_completion(&req->completion); diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index b2635759721c..60e6e5714eb9 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c @@ -60,13 +60,11 @@ static inline void zfcp_qdio_account(struct zfcp_qdio *qdio) unsigned long long now, span; int used; - spin_lock(&qdio->stat_lock); now = get_clock_monotonic(); span = (now - qdio->req_q_time) >> 12; used = QDIO_MAX_BUFFERS_PER_Q - atomic_read(&qdio->req_q_free); qdio->req_q_util += used * span; qdio->req_q_time = now; - spin_unlock(&qdio->stat_lock); } static void zfcp_qdio_int_req(struct ccw_device *cdev, unsigned int qdio_err, @@ -84,7 +82,9 @@ static void zfcp_qdio_int_req(struct ccw_device *cdev, unsigned int qdio_err, /* cleanup all SBALs being program-owned now */ zfcp_qdio_zero_sbals(qdio->req_q, idx, count); + spin_lock_irq(&qdio->stat_lock); zfcp_qdio_account(qdio); + spin_unlock_irq(&qdio->stat_lock); atomic_add(count, &qdio->req_q_free); wake_up(&qdio->req_q_wq); } @@ -201,11 +201,11 @@ int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req, static int zfcp_qdio_sbal_check(struct zfcp_qdio *qdio) { - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); if (atomic_read(&qdio->req_q_free) || !(atomic_read(&qdio->adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP)) return 1; - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); return 0; } @@ -223,7 +223,7 @@ int zfcp_qdio_sbal_get(struct zfcp_qdio *qdio) { long ret; - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); ret = wait_event_interruptible_timeout(qdio->req_q_wq, zfcp_qdio_sbal_check(qdio), 5 * HZ); @@ -239,7 +239,7 @@ int zfcp_qdio_sbal_get(struct zfcp_qdio *qdio) zfcp_erp_adapter_reopen(qdio->adapter, 0, "qdsbg_1", NULL); } - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); return -EIO; } @@ -254,7 +254,9 @@ int zfcp_qdio_send(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req) int retval; u8 sbal_number = q_req->sbal_number; + spin_lock(&qdio->stat_lock); zfcp_qdio_account(qdio); + spin_unlock(&qdio->stat_lock); retval = do_QDIO(qdio->adapter->ccw_device, QDIO_FLAG_SYNC_OUTPUT, 0, q_req->sbal_first, sbal_number); @@ -328,9 +330,9 @@ void zfcp_qdio_close(struct zfcp_qdio *qdio) return; /* clear QDIOUP flag, thus do_QDIO is not called during qdio_shutdown */ - spin_lock_bh(&qdio->req_q_lock); + spin_lock_irq(&qdio->req_q_lock); atomic_clear_mask(ZFCP_STATUS_ADAPTER_QDIOUP, &adapter->status); - spin_unlock_bh(&qdio->req_q_lock); + spin_unlock_irq(&qdio->req_q_lock); wake_up(&qdio->req_q_wq); diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 208256e39def..50286d8707f3 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -49,11 +49,12 @@ static int zfcp_scsi_change_queue_depth(struct scsi_device *sdev, int depth, return sdev->queue_depth; } -static void zfcp_scsi_slave_destroy(struct scsi_device *sdpnt) +static void zfcp_scsi_slave_destroy(struct scsi_device *sdev) { - struct zfcp_unit *unit = (struct zfcp_unit *) sdpnt->hostdata; - unit->device = NULL; - put_device(&unit->dev); + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); + + zfcp_erp_lun_shutdown_wait(sdev, "scssd_1"); + put_device(&zfcp_sdev->port->dev); } static int zfcp_scsi_slave_configure(struct scsi_device *sdp) @@ -78,23 +79,16 @@ static void zfcp_scsi_command_fail(struct scsi_cmnd *scpnt, int result) static int zfcp_scsi_queuecommand(struct scsi_cmnd *scpnt, void (*done) (struct scsi_cmnd *)) { - struct zfcp_unit *unit; - struct zfcp_adapter *adapter; - int status, scsi_result, ret; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scpnt->device); + struct zfcp_adapter *adapter = zfcp_sdev->port->adapter; struct fc_rport *rport = starget_to_rport(scsi_target(scpnt->device)); + int status, scsi_result, ret; /* reset the status for this request */ scpnt->result = 0; scpnt->host_scribble = NULL; scpnt->scsi_done = done; - /* - * figure out adapter and target device - * (stored there by zfcp_scsi_slave_alloc) - */ - adapter = (struct zfcp_adapter *) scpnt->device->host->hostdata[0]; - unit = scpnt->device->hostdata; - scsi_result = fc_remote_port_chkready(rport); if (unlikely(scsi_result)) { scpnt->result = scsi_result; @@ -103,11 +97,11 @@ static int zfcp_scsi_queuecommand(struct scsi_cmnd *scpnt, return 0; } - status = atomic_read(&unit->status); + status = atomic_read(&zfcp_sdev->status); if (unlikely(status & ZFCP_STATUS_COMMON_ERP_FAILED) && - !(atomic_read(&unit->port->status) & + !(atomic_read(&zfcp_sdev->port->status) & ZFCP_STATUS_COMMON_ERP_FAILED)) { - /* only unit access denied, but port is good + /* only LUN access denied, but port is good * not covered by FC transport, have to fail here */ zfcp_scsi_command_fail(scpnt, DID_ERROR); return 0; @@ -115,8 +109,8 @@ static int zfcp_scsi_queuecommand(struct scsi_cmnd *scpnt, if (unlikely(!(status & ZFCP_STATUS_COMMON_UNBLOCKED))) { /* This could be either - * open unit pending: this is temporary, will result in - * open unit or ERP_FAILED, so retry command + * open LUN pending: this is temporary, will result in + * open LUN or ERP_FAILED, so retry command * call to rport_delete pending: mimic retry from * fc_remote_port_chkready until rport is BLOCKED */ @@ -124,7 +118,7 @@ static int zfcp_scsi_queuecommand(struct scsi_cmnd *scpnt, return 0; } - ret = zfcp_fsf_send_fcp_command_task(unit, scpnt); + ret = zfcp_fsf_fcp_cmnd(scpnt); if (unlikely(ret == -EBUSY)) return SCSI_MLQUEUE_DEVICE_BUSY; else if (unlikely(ret < 0)) @@ -133,45 +127,42 @@ static int zfcp_scsi_queuecommand(struct scsi_cmnd *scpnt, return ret; } -static struct zfcp_unit *zfcp_unit_lookup(struct zfcp_adapter *adapter, - unsigned int id, u64 lun) +static int zfcp_scsi_slave_alloc(struct scsi_device *sdev) { - unsigned long flags; + struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); + struct zfcp_adapter *adapter = + (struct zfcp_adapter *) sdev->host->hostdata[0]; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); struct zfcp_port *port; - struct zfcp_unit *unit = NULL; + struct zfcp_unit *unit; - read_lock_irqsave(&adapter->port_list_lock, flags); - list_for_each_entry(port, &adapter->port_list, list) { - if (!port->rport || (id != port->rport->scsi_target_id)) - continue; - unit = zfcp_get_unit_by_lun(port, lun); - if (unit) - break; - } - read_unlock_irqrestore(&adapter->port_list_lock, flags); + port = zfcp_get_port_by_wwpn(adapter, rport->port_name); + if (!port) + return -ENXIO; - return unit; -} + unit = zfcp_unit_find(port, zfcp_scsi_dev_lun(sdev)); + if (unit) + put_device(&unit->dev); -static int zfcp_scsi_slave_alloc(struct scsi_device *sdp) -{ - struct zfcp_adapter *adapter; - struct zfcp_unit *unit; - u64 lun; + if (!unit && !(adapter->connection_features & FSF_FEATURE_NPIV_MODE)) { + put_device(&port->dev); + return -ENXIO; + } - adapter = (struct zfcp_adapter *) sdp->host->hostdata[0]; - if (!adapter) - goto out; + zfcp_sdev->port = port; + zfcp_sdev->latencies.write.channel.min = 0xFFFFFFFF; + zfcp_sdev->latencies.write.fabric.min = 0xFFFFFFFF; + zfcp_sdev->latencies.read.channel.min = 0xFFFFFFFF; + zfcp_sdev->latencies.read.fabric.min = 0xFFFFFFFF; + zfcp_sdev->latencies.cmd.channel.min = 0xFFFFFFFF; + zfcp_sdev->latencies.cmd.fabric.min = 0xFFFFFFFF; + spin_lock_init(&zfcp_sdev->latencies.lock); - int_to_scsilun(sdp->lun, (struct scsi_lun *)&lun); - unit = zfcp_unit_lookup(adapter, sdp->id, lun); - if (unit) { - sdp->hostdata = unit; - unit->device = sdp; - return 0; - } -out: - return -ENXIO; + zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_RUNNING); + zfcp_erp_lun_reopen(sdev, 0, "scsla_1", NULL); + zfcp_erp_wait(port->adapter); + + return 0; } static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) @@ -179,7 +170,6 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) struct Scsi_Host *scsi_host = scpnt->device->host; struct zfcp_adapter *adapter = (struct zfcp_adapter *) scsi_host->hostdata[0]; - struct zfcp_unit *unit = scpnt->device->hostdata; struct zfcp_fsf_req *old_req, *abrt_req; unsigned long flags; unsigned long old_reqid = (unsigned long) scpnt->host_scribble; @@ -203,7 +193,7 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) write_unlock_irqrestore(&adapter->abort_lock, flags); while (retry--) { - abrt_req = zfcp_fsf_abort_fcp_command(old_reqid, unit); + abrt_req = zfcp_fsf_abort_fcp_cmnd(scpnt); if (abrt_req) break; @@ -238,14 +228,14 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags) { - struct zfcp_unit *unit = scpnt->device->hostdata; - struct zfcp_adapter *adapter = unit->port->adapter; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scpnt->device); + struct zfcp_adapter *adapter = zfcp_sdev->port->adapter; struct zfcp_fsf_req *fsf_req = NULL; int retval = SUCCESS, ret; int retry = 3; while (retry--) { - fsf_req = zfcp_fsf_send_fcp_ctm(unit, tm_flags); + fsf_req = zfcp_fsf_fcp_task_mgmt(scpnt, tm_flags); if (fsf_req) break; @@ -256,7 +246,7 @@ static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags) if (!(atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_RUNNING)) { - zfcp_dbf_scsi_devreset("nres", tm_flags, unit, scpnt); + zfcp_dbf_scsi_devreset("nres", scpnt, tm_flags); return SUCCESS; } } @@ -266,10 +256,10 @@ static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags) wait_for_completion(&fsf_req->completion); if (fsf_req->status & ZFCP_STATUS_FSFREQ_TMFUNCFAILED) { - zfcp_dbf_scsi_devreset("fail", tm_flags, unit, scpnt); + zfcp_dbf_scsi_devreset("fail", scpnt, tm_flags); retval = FAILED; } else - zfcp_dbf_scsi_devreset("okay", tm_flags, unit, scpnt); + zfcp_dbf_scsi_devreset("okay", scpnt, tm_flags); zfcp_fsf_req_free(fsf_req); return retval; @@ -287,8 +277,8 @@ static int zfcp_scsi_eh_target_reset_handler(struct scsi_cmnd *scpnt) static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt) { - struct zfcp_unit *unit = scpnt->device->hostdata; - struct zfcp_adapter *adapter = unit->port->adapter; + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scpnt->device); + struct zfcp_adapter *adapter = zfcp_sdev->port->adapter; int ret; zfcp_erp_adapter_reopen(adapter, 0, "schrh_1", scpnt); @@ -319,8 +309,8 @@ int zfcp_adapter_scsi_register(struct zfcp_adapter *adapter) } /* tell the SCSI stack some characteristics of this adapter */ - adapter->scsi_host->max_id = 1; - adapter->scsi_host->max_lun = 1; + adapter->scsi_host->max_id = 511; + adapter->scsi_host->max_lun = 0xFFFFFFFF; adapter->scsi_host->max_channel = 0; adapter->scsi_host->unique_id = dev_id.devno; adapter->scsi_host->max_cmd_len = 16; /* in struct fcp_cmnd */ @@ -534,20 +524,6 @@ static void zfcp_scsi_terminate_rport_io(struct fc_rport *rport) } } -static void zfcp_scsi_queue_unit_register(struct zfcp_port *port) -{ - struct zfcp_unit *unit; - - read_lock_irq(&port->unit_list_lock); - list_for_each_entry(unit, &port->unit_list, list) { - get_device(&unit->dev); - if (scsi_queue_work(port->adapter->scsi_host, - &unit->scsi_work) <= 0) - put_device(&unit->dev); - } - read_unlock_irq(&port->unit_list_lock); -} - static void zfcp_scsi_rport_register(struct zfcp_port *port) { struct fc_rport_identifiers ids; @@ -574,7 +550,7 @@ static void zfcp_scsi_rport_register(struct zfcp_port *port) port->rport = rport; port->starget_id = rport->scsi_target_id; - zfcp_scsi_queue_unit_register(port); + zfcp_unit_queue_scsi_scan(port); } static void zfcp_scsi_rport_block(struct zfcp_port *port) @@ -638,29 +614,6 @@ void zfcp_scsi_rport_work(struct work_struct *work) } /** - * zfcp_scsi_scan - Register LUN with SCSI midlayer - * @unit: The LUN/unit to register - */ -void zfcp_scsi_scan(struct zfcp_unit *unit) -{ - struct fc_rport *rport = unit->port->rport; - - if (rport && rport->port_state == FC_PORTSTATE_ONLINE) - scsi_scan_target(&rport->dev, 0, rport->scsi_target_id, - scsilun_to_int((struct scsi_lun *) - &unit->fcp_lun), 0); -} - -void zfcp_scsi_scan_work(struct work_struct *work) -{ - struct zfcp_unit *unit = container_of(work, struct zfcp_unit, - scsi_work); - - zfcp_scsi_scan(unit); - put_device(&unit->dev); -} - -/** * zfcp_scsi_set_prot - Configure DIF/DIX support in scsi_host * @adapter: The adapter where to configure DIF/DIX for the SCSI host */ @@ -735,7 +688,6 @@ struct fc_function_template zfcp_transport_functions = { .show_host_port_type = 1, .show_host_speed = 1, .show_host_port_id = 1, - .disable_target_scan = 1, .dd_bsg_size = sizeof(struct zfcp_fsf_ct_els), }; diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c index b4561c86e230..2f2c54f4718f 100644 --- a/drivers/s390/scsi/zfcp_sysfs.c +++ b/drivers/s390/scsi/zfcp_sysfs.c @@ -68,63 +68,96 @@ ZFCP_DEFINE_ATTR(zfcp_port, port, access_denied, "%d\n", ZFCP_STATUS_COMMON_ACCESS_DENIED) != 0); ZFCP_DEFINE_ATTR(zfcp_unit, unit, status, "0x%08x\n", - atomic_read(&unit->status)); + zfcp_unit_sdev_status(unit)); ZFCP_DEFINE_ATTR(zfcp_unit, unit, in_recovery, "%d\n", - (atomic_read(&unit->status) & + (zfcp_unit_sdev_status(unit) & ZFCP_STATUS_COMMON_ERP_INUSE) != 0); ZFCP_DEFINE_ATTR(zfcp_unit, unit, access_denied, "%d\n", - (atomic_read(&unit->status) & + (zfcp_unit_sdev_status(unit) & ZFCP_STATUS_COMMON_ACCESS_DENIED) != 0); ZFCP_DEFINE_ATTR(zfcp_unit, unit, access_shared, "%d\n", - (atomic_read(&unit->status) & - ZFCP_STATUS_UNIT_SHARED) != 0); + (zfcp_unit_sdev_status(unit) & + ZFCP_STATUS_LUN_SHARED) != 0); ZFCP_DEFINE_ATTR(zfcp_unit, unit, access_readonly, "%d\n", - (atomic_read(&unit->status) & - ZFCP_STATUS_UNIT_READONLY) != 0); + (zfcp_unit_sdev_status(unit) & + ZFCP_STATUS_LUN_READONLY) != 0); -#define ZFCP_SYSFS_FAILED(_feat_def, _feat, _adapter, _mod_id, _reopen_id) \ -static ssize_t zfcp_sysfs_##_feat##_failed_show(struct device *dev, \ - struct device_attribute *attr, \ - char *buf) \ -{ \ - struct _feat_def *_feat = container_of(dev, struct _feat_def, dev); \ - \ - if (atomic_read(&_feat->status) & ZFCP_STATUS_COMMON_ERP_FAILED) \ - return sprintf(buf, "1\n"); \ - else \ - return sprintf(buf, "0\n"); \ -} \ -static ssize_t zfcp_sysfs_##_feat##_failed_store(struct device *dev, \ - struct device_attribute *attr,\ - const char *buf, size_t count)\ -{ \ - struct _feat_def *_feat = container_of(dev, struct _feat_def, dev); \ - unsigned long val; \ - int retval = 0; \ - \ - if (!(_feat && get_device(&_feat->dev))) \ - return -EBUSY; \ - \ - if (strict_strtoul(buf, 0, &val) || val != 0) { \ - retval = -EINVAL; \ - goto out; \ - } \ - \ - zfcp_erp_modify_##_feat##_status(_feat, _mod_id, NULL, \ - ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET);\ - zfcp_erp_##_feat##_reopen(_feat, ZFCP_STATUS_COMMON_ERP_FAILED, \ - _reopen_id, NULL); \ - zfcp_erp_wait(_adapter); \ -out: \ - put_device(&_feat->dev); \ - return retval ? retval : (ssize_t) count; \ -} \ -static ZFCP_DEV_ATTR(_feat, failed, S_IWUSR | S_IRUGO, \ - zfcp_sysfs_##_feat##_failed_show, \ - zfcp_sysfs_##_feat##_failed_store); +static ssize_t zfcp_sysfs_port_failed_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct zfcp_port *port = container_of(dev, struct zfcp_port, dev); + + if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_ERP_FAILED) + return sprintf(buf, "1\n"); + + return sprintf(buf, "0\n"); +} + +static ssize_t zfcp_sysfs_port_failed_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct zfcp_port *port = container_of(dev, struct zfcp_port, dev); + unsigned long val; + + if (strict_strtoul(buf, 0, &val) || val != 0) + return -EINVAL; + + zfcp_erp_set_port_status(port, ZFCP_STATUS_COMMON_RUNNING); + zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED, "sypfai2", + NULL); + zfcp_erp_wait(port->adapter); -ZFCP_SYSFS_FAILED(zfcp_port, port, port->adapter, "sypfai1", "sypfai2"); -ZFCP_SYSFS_FAILED(zfcp_unit, unit, unit->port->adapter, "syufai1", "syufai2"); + return count; +} +static ZFCP_DEV_ATTR(port, failed, S_IWUSR | S_IRUGO, + zfcp_sysfs_port_failed_show, + zfcp_sysfs_port_failed_store); + +static ssize_t zfcp_sysfs_unit_failed_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct zfcp_unit *unit = container_of(dev, struct zfcp_unit, dev); + struct scsi_device *sdev; + unsigned int status, failed = 1; + + sdev = zfcp_unit_sdev(unit); + if (sdev) { + status = atomic_read(&sdev_to_zfcp(sdev)->status); + failed = status & ZFCP_STATUS_COMMON_ERP_FAILED ? 1 : 0; + scsi_device_put(sdev); + } + + return sprintf(buf, "%d\n", failed); +} + +static ssize_t zfcp_sysfs_unit_failed_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct zfcp_unit *unit = container_of(dev, struct zfcp_unit, dev); + unsigned long val; + struct scsi_device *sdev; + + if (strict_strtoul(buf, 0, &val) || val != 0) + return -EINVAL; + + sdev = zfcp_unit_sdev(unit); + if (sdev) { + zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_RUNNING); + zfcp_erp_lun_reopen(sdev, ZFCP_STATUS_COMMON_ERP_FAILED, + "syufai2", NULL); + zfcp_erp_wait(unit->port->adapter); + } else + zfcp_unit_scsi_scan(unit); + + return count; +} +static ZFCP_DEV_ATTR(unit, failed, S_IWUSR | S_IRUGO, + zfcp_sysfs_unit_failed_show, + zfcp_sysfs_unit_failed_store); static ssize_t zfcp_sysfs_adapter_failed_show(struct device *dev, struct device_attribute *attr, @@ -163,8 +196,7 @@ static ssize_t zfcp_sysfs_adapter_failed_store(struct device *dev, goto out; } - zfcp_erp_modify_adapter_status(adapter, "syafai1", NULL, - ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET); + zfcp_erp_set_adapter_status(adapter, ZFCP_STATUS_COMMON_RUNNING); zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED, "syafai2", NULL); zfcp_erp_wait(adapter); @@ -257,28 +289,15 @@ static ssize_t zfcp_sysfs_unit_add_store(struct device *dev, const char *buf, size_t count) { struct zfcp_port *port = container_of(dev, struct zfcp_port, dev); - struct zfcp_unit *unit; u64 fcp_lun; - int retval = -EINVAL; - - if (!(port && get_device(&port->dev))) - return -EBUSY; if (strict_strtoull(buf, 0, (unsigned long long *) &fcp_lun)) - goto out; + return -EINVAL; - unit = zfcp_unit_enqueue(port, fcp_lun); - if (IS_ERR(unit)) - goto out; - else - retval = 0; + if (zfcp_unit_add(port, fcp_lun)) + return -EINVAL; - zfcp_erp_unit_reopen(unit, 0, "syuas_1", NULL); - zfcp_erp_wait(unit->port->adapter); - zfcp_scsi_scan(unit); -out: - put_device(&port->dev); - return retval ? retval : (ssize_t) count; + return count; } static DEVICE_ATTR(unit_add, S_IWUSR, NULL, zfcp_sysfs_unit_add_store); @@ -287,42 +306,15 @@ static ssize_t zfcp_sysfs_unit_remove_store(struct device *dev, const char *buf, size_t count) { struct zfcp_port *port = container_of(dev, struct zfcp_port, dev); - struct zfcp_unit *unit; u64 fcp_lun; - int retval = -EINVAL; - struct scsi_device *sdev; - - if (!(port && get_device(&port->dev))) - return -EBUSY; if (strict_strtoull(buf, 0, (unsigned long long *) &fcp_lun)) - goto out; + return -EINVAL; - unit = zfcp_get_unit_by_lun(port, fcp_lun); - if (!unit) - goto out; - else - retval = 0; - - sdev = scsi_device_lookup(port->adapter->scsi_host, 0, - port->starget_id, - scsilun_to_int((struct scsi_lun *)&fcp_lun)); - if (sdev) { - scsi_remove_device(sdev); - scsi_device_put(sdev); - } - - write_lock_irq(&port->unit_list_lock); - list_del(&unit->list); - write_unlock_irq(&port->unit_list_lock); - - put_device(&unit->dev); + if (zfcp_unit_remove(port, fcp_lun)) + return -EINVAL; - zfcp_erp_unit_shutdown(unit, 0, "syurs_1", NULL); - zfcp_device_unregister(&unit->dev, &zfcp_sysfs_unit_attrs); -out: - put_device(&port->dev); - return retval ? retval : (ssize_t) count; + return count; } static DEVICE_ATTR(unit_remove, S_IWUSR, NULL, zfcp_sysfs_unit_remove_store); @@ -363,9 +355,9 @@ zfcp_sysfs_unit_##_name##_latency_show(struct device *dev, \ struct device_attribute *attr, \ char *buf) { \ struct scsi_device *sdev = to_scsi_device(dev); \ - struct zfcp_unit *unit = sdev->hostdata; \ - struct zfcp_latencies *lat = &unit->latencies; \ - struct zfcp_adapter *adapter = unit->port->adapter; \ + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); \ + struct zfcp_latencies *lat = &zfcp_sdev->latencies; \ + struct zfcp_adapter *adapter = zfcp_sdev->port->adapter; \ unsigned long long fsum, fmin, fmax, csum, cmin, cmax, cc; \ \ spin_lock_bh(&lat->lock); \ @@ -394,8 +386,8 @@ zfcp_sysfs_unit_##_name##_latency_store(struct device *dev, \ const char *buf, size_t count) \ { \ struct scsi_device *sdev = to_scsi_device(dev); \ - struct zfcp_unit *unit = sdev->hostdata; \ - struct zfcp_latencies *lat = &unit->latencies; \ + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); \ + struct zfcp_latencies *lat = &zfcp_sdev->latencies; \ unsigned long flags; \ \ spin_lock_irqsave(&lat->lock, flags); \ @@ -423,19 +415,28 @@ static ssize_t zfcp_sysfs_scsi_##_name##_show(struct device *dev, \ struct device_attribute *attr,\ char *buf) \ { \ - struct scsi_device *sdev = to_scsi_device(dev); \ - struct zfcp_unit *unit = sdev->hostdata; \ + struct scsi_device *sdev = to_scsi_device(dev); \ + struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); \ + struct zfcp_port *port = zfcp_sdev->port; \ \ return sprintf(buf, _format, _value); \ } \ static DEVICE_ATTR(_name, S_IRUGO, zfcp_sysfs_scsi_##_name##_show, NULL); ZFCP_DEFINE_SCSI_ATTR(hba_id, "%s\n", - dev_name(&unit->port->adapter->ccw_device->dev)); + dev_name(&port->adapter->ccw_device->dev)); ZFCP_DEFINE_SCSI_ATTR(wwpn, "0x%016llx\n", - (unsigned long long) unit->port->wwpn); -ZFCP_DEFINE_SCSI_ATTR(fcp_lun, "0x%016llx\n", - (unsigned long long) unit->fcp_lun); + (unsigned long long) port->wwpn); + +static ssize_t zfcp_sysfs_scsi_fcp_lun_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct scsi_device *sdev = to_scsi_device(dev); + + return sprintf(buf, "0x%016llx\n", zfcp_scsi_dev_lun(sdev)); +} +static DEVICE_ATTR(fcp_lun, S_IRUGO, zfcp_sysfs_scsi_fcp_lun_show, NULL); struct device_attribute *zfcp_sysfs_sdev_attrs[] = { &dev_attr_fcp_lun, diff --git a/drivers/s390/scsi/zfcp_unit.c b/drivers/s390/scsi/zfcp_unit.c new file mode 100644 index 000000000000..1119c535a667 --- /dev/null +++ b/drivers/s390/scsi/zfcp_unit.c @@ -0,0 +1,244 @@ +/* + * zfcp device driver + * + * Tracking of manually configured LUNs and helper functions to + * register the LUNs with the SCSI midlayer. + * + * Copyright IBM Corporation 2010 + */ + +#include "zfcp_def.h" +#include "zfcp_ext.h" + +/** + * zfcp_unit_scsi_scan - Register LUN with SCSI midlayer + * @unit: The zfcp LUN/unit to register + * + * When the SCSI midlayer is not allowed to automatically scan and + * attach SCSI devices, zfcp has to register the single devices with + * the SCSI midlayer. + */ +void zfcp_unit_scsi_scan(struct zfcp_unit *unit) +{ + struct fc_rport *rport = unit->port->rport; + unsigned int lun; + + lun = scsilun_to_int((struct scsi_lun *) &unit->fcp_lun); + + if (rport && rport->port_state == FC_PORTSTATE_ONLINE) + scsi_scan_target(&rport->dev, 0, rport->scsi_target_id, lun, 1); +} + +static void zfcp_unit_scsi_scan_work(struct work_struct *work) +{ + struct zfcp_unit *unit = container_of(work, struct zfcp_unit, + scsi_work); + + zfcp_unit_scsi_scan(unit); + put_device(&unit->dev); +} + +/** + * zfcp_unit_queue_scsi_scan - Register configured units on port + * @port: The zfcp_port where to register units + * + * After opening a port, all units configured on this port have to be + * registered with the SCSI midlayer. This function should be called + * after calling fc_remote_port_add, so that the fc_rport is already + * ONLINE and the call to scsi_scan_target runs the same way as the + * call in the FC transport class. + */ +void zfcp_unit_queue_scsi_scan(struct zfcp_port *port) +{ + struct zfcp_unit *unit; + + read_lock_irq(&port->unit_list_lock); + list_for_each_entry(unit, &port->unit_list, list) { + get_device(&unit->dev); + if (scsi_queue_work(port->adapter->scsi_host, + &unit->scsi_work) <= 0) + put_device(&unit->dev); + } + read_unlock_irq(&port->unit_list_lock); +} + +static struct zfcp_unit *_zfcp_unit_find(struct zfcp_port *port, u64 fcp_lun) +{ + struct zfcp_unit *unit; + + list_for_each_entry(unit, &port->unit_list, list) + if (unit->fcp_lun == fcp_lun) { + get_device(&unit->dev); + return unit; + } + + return NULL; +} + +/** + * zfcp_unit_find - Find and return zfcp_unit with specified FCP LUN + * @port: zfcp_port where to look for the unit + * @fcp_lun: 64 Bit FCP LUN used to identify the zfcp_unit + * + * If zfcp_unit is found, a reference is acquired that has to be + * released later. + * + * Returns: Pointer to the zfcp_unit, or NULL if there is no zfcp_unit + * with the specified FCP LUN. + */ +struct zfcp_unit *zfcp_unit_find(struct zfcp_port *port, u64 fcp_lun) +{ + struct zfcp_unit *unit; + + read_lock_irq(&port->unit_list_lock); + unit = _zfcp_unit_find(port, fcp_lun); + read_unlock_irq(&port->unit_list_lock); + return unit; +} + +/** + * zfcp_unit_release - Drop reference to zfcp_port and free memory of zfcp_unit. + * @dev: pointer to device in zfcp_unit + */ +static void zfcp_unit_release(struct device *dev) +{ + struct zfcp_unit *unit = container_of(dev, struct zfcp_unit, dev); + + put_device(&unit->port->dev); + kfree(unit); +} + +/** + * zfcp_unit_enqueue - enqueue unit to unit list of a port. + * @port: pointer to port where unit is added + * @fcp_lun: FCP LUN of unit to be enqueued + * Returns: 0 success + * + * Sets up some unit internal structures and creates sysfs entry. + */ +int zfcp_unit_add(struct zfcp_port *port, u64 fcp_lun) +{ + struct zfcp_unit *unit; + + unit = zfcp_unit_find(port, fcp_lun); + if (unit) { + put_device(&unit->dev); + return -EEXIST; + } + + unit = kzalloc(sizeof(struct zfcp_unit), GFP_KERNEL); + if (!unit) + return -ENOMEM; + + unit->port = port; + unit->fcp_lun = fcp_lun; + unit->dev.parent = &port->dev; + unit->dev.release = zfcp_unit_release; + INIT_WORK(&unit->scsi_work, zfcp_unit_scsi_scan_work); + + if (dev_set_name(&unit->dev, "0x%016llx", + (unsigned long long) fcp_lun)) { + kfree(unit); + return -ENOMEM; + } + + if (device_register(&unit->dev)) { + put_device(&unit->dev); + return -ENOMEM; + } + + if (sysfs_create_group(&unit->dev.kobj, &zfcp_sysfs_unit_attrs)) { + device_unregister(&unit->dev); + return -EINVAL; + } + + get_device(&port->dev); + + write_lock_irq(&port->unit_list_lock); + list_add_tail(&unit->list, &port->unit_list); + write_unlock_irq(&port->unit_list_lock); + + zfcp_unit_scsi_scan(unit); + + return 0; +} + +/** + * zfcp_unit_sdev - Return SCSI device for zfcp_unit + * @unit: The zfcp_unit where to get the SCSI device for + * + * Returns: scsi_device pointer on success, NULL if there is no SCSI + * device for this zfcp_unit + * + * On success, the caller also holds a reference to the SCSI device + * that must be released with scsi_device_put. + */ +struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit) +{ + struct Scsi_Host *shost; + struct zfcp_port *port; + unsigned int lun; + + lun = scsilun_to_int((struct scsi_lun *) &unit->fcp_lun); + port = unit->port; + shost = port->adapter->scsi_host; + return scsi_device_lookup(shost, 0, port->starget_id, lun); +} + +/** + * zfcp_unit_sdev_status - Return zfcp LUN status for SCSI device + * @unit: The unit to lookup the SCSI device for + * + * Returns the zfcp LUN status field of the SCSI device if the SCSI device + * for the zfcp_unit exists, 0 otherwise. + */ +unsigned int zfcp_unit_sdev_status(struct zfcp_unit *unit) +{ + unsigned int status = 0; + struct scsi_device *sdev; + struct zfcp_scsi_dev *zfcp_sdev; + + sdev = zfcp_unit_sdev(unit); + if (sdev) { + zfcp_sdev = sdev_to_zfcp(sdev); + status = atomic_read(&zfcp_sdev->status); + scsi_device_put(sdev); + } + + return status; +} + +/** + * zfcp_unit_remove - Remove entry from list of configured units + * @port: The port where to remove the unit from the configuration + * @fcp_lun: The 64 bit LUN of the unit to remove + * + * Returns: -EINVAL if a unit with the specified LUN does not exist, + * 0 on success. + */ +int zfcp_unit_remove(struct zfcp_port *port, u64 fcp_lun) +{ + struct zfcp_unit *unit; + struct scsi_device *sdev; + + write_lock_irq(&port->unit_list_lock); + unit = _zfcp_unit_find(port, fcp_lun); + if (unit) + list_del(&unit->list); + write_unlock_irq(&port->unit_list_lock); + + if (!unit) + return -EINVAL; + + sdev = zfcp_unit_sdev(unit); + if (sdev) { + scsi_remove_device(sdev); + scsi_device_put(sdev); + } + + put_device(&unit->dev); + + zfcp_device_unregister(&unit->dev, &zfcp_sysfs_unit_attrs); + + return 0; +} diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index bbf91aec64f5..2e9632e2c98b 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -316,7 +316,8 @@ config SCSI_ISCSI_ATTRS config SCSI_SAS_ATTRS tristate "SAS Transport Attributes" - depends on SCSI && BLK_DEV_BSG + depends on SCSI + select BLK_DEV_BSG help If you wish to export transport-specific information about each attached SAS device to sysfs, say Y. @@ -378,7 +379,7 @@ config ISCSI_BOOT_SYSFS via sysfs to userspace. If you wish to export this information, say Y. Otherwise, say N. -source "drivers/scsi/cxgb3i/Kconfig" +source "drivers/scsi/cxgbi/Kconfig" source "drivers/scsi/bnx2i/Kconfig" source "drivers/scsi/be2iscsi/Kconfig" diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index 2703c6ec5e36..2e9a87e8e7d8 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -133,7 +133,8 @@ obj-$(CONFIG_SCSI_HPTIOP) += hptiop.o obj-$(CONFIG_SCSI_STEX) += stex.o obj-$(CONFIG_SCSI_MVSAS) += mvsas/ obj-$(CONFIG_PS3_ROM) += ps3rom.o -obj-$(CONFIG_SCSI_CXGB3_ISCSI) += libiscsi.o libiscsi_tcp.o cxgb3i/ +obj-$(CONFIG_SCSI_CXGB3_ISCSI) += libiscsi.o libiscsi_tcp.o cxgbi/ +obj-$(CONFIG_SCSI_CXGB4_ISCSI) += libiscsi.o libiscsi_tcp.o cxgbi/ obj-$(CONFIG_SCSI_BNX2_ISCSI) += libiscsi.o bnx2i/ obj-$(CONFIG_BE2ISCSI) += libiscsi.o be2iscsi/ obj-$(CONFIG_SCSI_PMCRAID) += pmcraid.o diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c index 1a5bf5724750..645ddd9d9b9e 100644 --- a/drivers/scsi/aacraid/commctrl.c +++ b/drivers/scsi/aacraid/commctrl.c @@ -190,7 +190,7 @@ static int open_getadapter_fib(struct aac_dev * dev, void __user *arg) /* * Initialize the mutex used to wait for the next AIF. */ - init_MUTEX_LOCKED(&fibctx->wait_sem); + sema_init(&fibctx->wait_sem, 0); fibctx->wait = 0; /* * Initialize the fibs and set the count of fibs on diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index 70079146e203..afc9aeba5edb 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -124,7 +124,7 @@ int aac_fib_setup(struct aac_dev * dev) fibptr->hw_fib_va = hw_fib; fibptr->data = (void *) fibptr->hw_fib_va->data; fibptr->next = fibptr+1; /* Forward chain the fibs */ - init_MUTEX_LOCKED(&fibptr->event_wait); + sema_init(&fibptr->event_wait, 0); spin_lock_init(&fibptr->event_lock); hw_fib->header.XferState = cpu_to_le32(0xffffffff); hw_fib->header.SenderSize = cpu_to_le16(dev->max_fib_size); diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index c8dc392edd57..05a78e515a24 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -878,8 +878,8 @@ static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, if (!error) { if (acb->devstate[id][lun] == ARECA_RAID_GONE) acb->devstate[id][lun] = ARECA_RAID_GOOD; - ccb->pcmd->result = DID_OK << 16; - arcmsr_ccb_complete(ccb); + ccb->pcmd->result = DID_OK << 16; + arcmsr_ccb_complete(ccb); }else{ switch (ccb->arcmsr_cdb.DeviceStatus) { case ARCMSR_DEV_SELECT_TIMEOUT: { diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c index 7c7537335c88..ad246369d373 100644 --- a/drivers/scsi/be2iscsi/be_cmds.c +++ b/drivers/scsi/be2iscsi/be_cmds.c @@ -335,7 +335,7 @@ static int be_mbox_db_ready_wait(struct be_ctrl_info *ctrl) if (ready) break; - if (cnt > 6000000) { + if (cnt > 12000000) { dev_err(&ctrl->pdev->dev, "mbox_db poll timed out\n"); return -EBUSY; } diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c index 7f11f3e48e12..eaaa8813067d 100644 --- a/drivers/scsi/be2iscsi/be_iscsi.c +++ b/drivers/scsi/be2iscsi/be_iscsi.c @@ -522,7 +522,6 @@ static int beiscsi_open_conn(struct iscsi_endpoint *ep, if (beiscsi_ep->ep_cid > (phba->fw_config.iscsi_cid_start + phba->params.cxns_per_ctrl * 2)) { SE_DEBUG(DBG_LVL_1, "Failed in allocate iscsi cid\n"); - beiscsi_put_cid(phba, beiscsi_ep->ep_cid); goto free_ep; } @@ -559,7 +558,6 @@ static int beiscsi_open_conn(struct iscsi_endpoint *ep, SE_DEBUG(DBG_LVL_1, "mgmt_open_connection Failed" " status = %d extd_status = %d\n", status, extd_status); - beiscsi_put_cid(phba, beiscsi_ep->ep_cid); free_mcc_tag(&phba->ctrl, tag); pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size, nonemb_cmd.va, nonemb_cmd.dma); @@ -574,7 +572,6 @@ static int beiscsi_open_conn(struct iscsi_endpoint *ep, beiscsi_ep->cid_vld = 1; SE_DEBUG(DBG_LVL_8, "mgmt_open_connection Success\n"); } - beiscsi_put_cid(phba, beiscsi_ep->ep_cid); pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size, nonemb_cmd.va, nonemb_cmd.dma); return 0; diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 8220bde6c04c..75a85aa9e882 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -2040,7 +2040,7 @@ hwi_write_sgl(struct iscsi_wrb *pwrb, struct scatterlist *sg, unsigned int num_sg, struct beiscsi_io_task *io_task) { struct iscsi_sge *psgl; - unsigned short sg_len, index; + unsigned int sg_len, index; unsigned int sge_len = 0; unsigned long long addr; struct scatterlist *l_sg; diff --git a/drivers/scsi/bfa/Makefile b/drivers/scsi/bfa/Makefile index ac3fdf02d5f6..d2eefd3e3bd5 100644 --- a/drivers/scsi/bfa/Makefile +++ b/drivers/scsi/bfa/Makefile @@ -1,15 +1,8 @@ obj-$(CONFIG_SCSI_BFA_FC) := bfa.o -bfa-y := bfad.o bfad_intr.o bfad_os.o bfad_im.o bfad_attr.o bfad_fwimg.o -bfa-y += bfad_debugfs.o -bfa-y += bfa_core.o bfa_ioc.o bfa_ioc_ct.o bfa_ioc_cb.o bfa_iocfc.o bfa_fcxp.o -bfa-y += bfa_lps.o bfa_hw_cb.o bfa_hw_ct.o bfa_intr.o bfa_timer.o bfa_rport.o -bfa-y += bfa_fcport.o bfa_port.o bfa_uf.o bfa_sgpg.o bfa_module.o bfa_ioim.o -bfa-y += bfa_itnim.o bfa_fcpim.o bfa_tskim.o bfa_log.o bfa_log_module.o -bfa-y += bfa_csdebug.o bfa_sm.o plog.o +bfa-y := bfad.o bfad_im.o bfad_attr.o bfad_debugfs.o +bfa-y += bfa_ioc.o bfa_ioc_cb.o bfa_ioc_ct.o bfa_hw_cb.o bfa_hw_ct.o +bfa-y += bfa_fcs.o bfa_fcs_lport.o bfa_fcs_rport.o bfa_fcs_fcpim.o bfa_fcbuild.o +bfa-y += bfa_port.o bfa_fcpim.o bfa_core.o bfa_drv.o bfa_svc.o -bfa-y += fcbuild.o fabric.o fcpim.o vfapi.o fcptm.o bfa_fcs.o bfa_fcs_port.o -bfa-y += bfa_fcs_uf.o bfa_fcs_lport.o fab.o fdmi.o ms.o ns.o scn.o loop.o -bfa-y += lport_api.o n2n.o rport.o rport_api.o rport_ftrs.o vport.o - -ccflags-y := -I$(obj) -I$(obj)/include -I$(obj)/include/cna -DBFA_PERF_BUILD +ccflags-y := -DBFA_PERF_BUILD diff --git a/drivers/scsi/bfa/bfa.h b/drivers/scsi/bfa/bfa.h new file mode 100644 index 000000000000..ceaac65a91ff --- /dev/null +++ b/drivers/scsi/bfa/bfa.h @@ -0,0 +1,438 @@ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_H__ +#define __BFA_H__ + +#include "bfa_os_inc.h" +#include "bfa_cs.h" +#include "bfa_plog.h" +#include "bfa_defs_svc.h" +#include "bfi.h" +#include "bfa_ioc.h" + +struct bfa_s; + +typedef void (*bfa_isr_func_t) (struct bfa_s *bfa, struct bfi_msg_s *m); +typedef void (*bfa_cb_cbfn_t) (void *cbarg, bfa_boolean_t complete); + +/** + * Interrupt message handlers + */ +void bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m); +void bfa_isr_bind(enum bfi_mclass mc, bfa_isr_func_t isr_func); + +/** + * Request and response queue related defines + */ +#define BFA_REQQ_NELEMS_MIN (4) +#define BFA_RSPQ_NELEMS_MIN (4) + +#define bfa_reqq_pi(__bfa, __reqq) ((__bfa)->iocfc.req_cq_pi[__reqq]) +#define bfa_reqq_ci(__bfa, __reqq) \ + (*(u32 *)((__bfa)->iocfc.req_cq_shadow_ci[__reqq].kva)) + +#define bfa_reqq_full(__bfa, __reqq) \ + (((bfa_reqq_pi(__bfa, __reqq) + 1) & \ + ((__bfa)->iocfc.cfg.drvcfg.num_reqq_elems - 1)) == \ + bfa_reqq_ci(__bfa, __reqq)) + +#define bfa_reqq_next(__bfa, __reqq) \ + (bfa_reqq_full(__bfa, __reqq) ? NULL : \ + ((void *)((struct bfi_msg_s *)((__bfa)->iocfc.req_cq_ba[__reqq].kva) \ + + bfa_reqq_pi((__bfa), (__reqq))))) + +#define bfa_reqq_produce(__bfa, __reqq) do { \ + (__bfa)->iocfc.req_cq_pi[__reqq]++; \ + (__bfa)->iocfc.req_cq_pi[__reqq] &= \ + ((__bfa)->iocfc.cfg.drvcfg.num_reqq_elems - 1); \ + bfa_reg_write((__bfa)->iocfc.bfa_regs.cpe_q_pi[__reqq], \ + (__bfa)->iocfc.req_cq_pi[__reqq]); \ + mmiowb(); \ + } while (0) + +#define bfa_rspq_pi(__bfa, __rspq) \ + (*(u32 *)((__bfa)->iocfc.rsp_cq_shadow_pi[__rspq].kva)) + +#define bfa_rspq_ci(__bfa, __rspq) ((__bfa)->iocfc.rsp_cq_ci[__rspq]) +#define bfa_rspq_elem(__bfa, __rspq, __ci) \ + (&((struct bfi_msg_s *)((__bfa)->iocfc.rsp_cq_ba[__rspq].kva))[__ci]) + +#define CQ_INCR(__index, __size) do { \ + (__index)++; \ + (__index) &= ((__size) - 1); \ +} while (0) + +/** + * Queue element to wait for room in request queue. FIFO order is + * maintained when fullfilling requests. + */ +struct bfa_reqq_wait_s { + struct list_head qe; + void (*qresume) (void *cbarg); + void *cbarg; +}; + +/** + * Circular queue usage assignments + */ +enum { + BFA_REQQ_IOC = 0, /* all low-priority IOC msgs */ + BFA_REQQ_FCXP = 0, /* all FCXP messages */ + BFA_REQQ_LPS = 0, /* all lport service msgs */ + BFA_REQQ_PORT = 0, /* all port messages */ + BFA_REQQ_FLASH = 0, /* for flash module */ + BFA_REQQ_DIAG = 0, /* for diag module */ + BFA_REQQ_RPORT = 0, /* all port messages */ + BFA_REQQ_SBOOT = 0, /* all san boot messages */ + BFA_REQQ_QOS_LO = 1, /* all low priority IO */ + BFA_REQQ_QOS_MD = 2, /* all medium priority IO */ + BFA_REQQ_QOS_HI = 3, /* all high priority IO */ +}; + +static inline void +bfa_reqq_winit(struct bfa_reqq_wait_s *wqe, void (*qresume) (void *cbarg), + void *cbarg) +{ + wqe->qresume = qresume; + wqe->cbarg = cbarg; +} + +#define bfa_reqq(__bfa, __reqq) (&(__bfa)->reqq_waitq[__reqq]) + +/** + * static inline void + * bfa_reqq_wait(struct bfa_s *bfa, int reqq, struct bfa_reqq_wait_s *wqe) + */ +#define bfa_reqq_wait(__bfa, __reqq, __wqe) do { \ + \ + struct list_head *waitq = bfa_reqq(__bfa, __reqq); \ + \ + bfa_assert(((__reqq) < BFI_IOC_MAX_CQS)); \ + bfa_assert((__wqe)->qresume && (__wqe)->cbarg); \ + \ + list_add_tail(&(__wqe)->qe, waitq); \ + } while (0) + +#define bfa_reqq_wcancel(__wqe) list_del(&(__wqe)->qe) + + +/** + * Generic BFA callback element. + */ +struct bfa_cb_qe_s { + struct list_head qe; + bfa_cb_cbfn_t cbfn; + bfa_boolean_t once; + u32 rsvd; + void *cbarg; +}; + +#define bfa_cb_queue(__bfa, __hcb_qe, __cbfn, __cbarg) do { \ + (__hcb_qe)->cbfn = (__cbfn); \ + (__hcb_qe)->cbarg = (__cbarg); \ + list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q); \ + } while (0) + +#define bfa_cb_dequeue(__hcb_qe) list_del(&(__hcb_qe)->qe) + +#define bfa_cb_queue_once(__bfa, __hcb_qe, __cbfn, __cbarg) do { \ + (__hcb_qe)->cbfn = (__cbfn); \ + (__hcb_qe)->cbarg = (__cbarg); \ + if (!(__hcb_qe)->once) { \ + list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q); \ + (__hcb_qe)->once = BFA_TRUE; \ + } \ + } while (0) + +#define bfa_cb_queue_done(__hcb_qe) do { \ + (__hcb_qe)->once = BFA_FALSE; \ + } while (0) + + +/** + * PCI devices supported by the current BFA + */ +struct bfa_pciid_s { + u16 device_id; + u16 vendor_id; +}; + +extern char bfa_version[]; + +/** + * BFA memory resources + */ +enum bfa_mem_type { + BFA_MEM_TYPE_KVA = 1, /* Kernel Virtual Memory *(non-dma-able) */ + BFA_MEM_TYPE_DMA = 2, /* DMA-able memory */ + BFA_MEM_TYPE_MAX = BFA_MEM_TYPE_DMA, +}; + +struct bfa_mem_elem_s { + enum bfa_mem_type mem_type; /* see enum bfa_mem_type */ + u32 mem_len; /* Total Length in Bytes */ + u8 *kva; /* kernel virtual address */ + u64 dma; /* dma address if DMA memory */ + u8 *kva_curp; /* kva allocation cursor */ + u64 dma_curp; /* dma allocation cursor */ +}; + +struct bfa_meminfo_s { + struct bfa_mem_elem_s meminfo[BFA_MEM_TYPE_MAX]; +}; +#define bfa_meminfo_kva(_m) \ + ((_m)->meminfo[BFA_MEM_TYPE_KVA - 1].kva_curp) +#define bfa_meminfo_dma_virt(_m) \ + ((_m)->meminfo[BFA_MEM_TYPE_DMA - 1].kva_curp) +#define bfa_meminfo_dma_phys(_m) \ + ((_m)->meminfo[BFA_MEM_TYPE_DMA - 1].dma_curp) + +struct bfa_iocfc_regs_s { + bfa_os_addr_t intr_status; + bfa_os_addr_t intr_mask; + bfa_os_addr_t cpe_q_pi[BFI_IOC_MAX_CQS]; + bfa_os_addr_t cpe_q_ci[BFI_IOC_MAX_CQS]; + bfa_os_addr_t cpe_q_depth[BFI_IOC_MAX_CQS]; + bfa_os_addr_t cpe_q_ctrl[BFI_IOC_MAX_CQS]; + bfa_os_addr_t rme_q_ci[BFI_IOC_MAX_CQS]; + bfa_os_addr_t rme_q_pi[BFI_IOC_MAX_CQS]; + bfa_os_addr_t rme_q_depth[BFI_IOC_MAX_CQS]; + bfa_os_addr_t rme_q_ctrl[BFI_IOC_MAX_CQS]; +}; + +/** + * MSIX vector handlers + */ +#define BFA_MSIX_MAX_VECTORS 22 +typedef void (*bfa_msix_handler_t)(struct bfa_s *bfa, int vec); +struct bfa_msix_s { + int nvecs; + bfa_msix_handler_t handler[BFA_MSIX_MAX_VECTORS]; +}; + +/** + * Chip specific interfaces + */ +struct bfa_hwif_s { + void (*hw_reginit)(struct bfa_s *bfa); + void (*hw_reqq_ack)(struct bfa_s *bfa, int reqq); + void (*hw_rspq_ack)(struct bfa_s *bfa, int rspq); + void (*hw_msix_init)(struct bfa_s *bfa, int nvecs); + void (*hw_msix_install)(struct bfa_s *bfa); + void (*hw_msix_uninstall)(struct bfa_s *bfa); + void (*hw_isr_mode_set)(struct bfa_s *bfa, bfa_boolean_t msix); + void (*hw_msix_getvecs)(struct bfa_s *bfa, u32 *vecmap, + u32 *nvecs, u32 *maxvec); + void (*hw_msix_get_rme_range) (struct bfa_s *bfa, u32 *start, + u32 *end); +}; +typedef void (*bfa_cb_iocfc_t) (void *cbarg, enum bfa_status status); + +struct bfa_iocfc_s { + struct bfa_s *bfa; + struct bfa_iocfc_cfg_s cfg; + int action; + u32 req_cq_pi[BFI_IOC_MAX_CQS]; + u32 rsp_cq_ci[BFI_IOC_MAX_CQS]; + struct bfa_cb_qe_s init_hcb_qe; + struct bfa_cb_qe_s stop_hcb_qe; + struct bfa_cb_qe_s dis_hcb_qe; + struct bfa_cb_qe_s stats_hcb_qe; + bfa_boolean_t cfgdone; + + struct bfa_dma_s cfg_info; + struct bfi_iocfc_cfg_s *cfginfo; + struct bfa_dma_s cfgrsp_dma; + struct bfi_iocfc_cfgrsp_s *cfgrsp; + struct bfi_iocfc_cfg_reply_s *cfg_reply; + struct bfa_dma_s req_cq_ba[BFI_IOC_MAX_CQS]; + struct bfa_dma_s req_cq_shadow_ci[BFI_IOC_MAX_CQS]; + struct bfa_dma_s rsp_cq_ba[BFI_IOC_MAX_CQS]; + struct bfa_dma_s rsp_cq_shadow_pi[BFI_IOC_MAX_CQS]; + struct bfa_iocfc_regs_s bfa_regs; /* BFA device registers */ + struct bfa_hwif_s hwif; + bfa_cb_iocfc_t updateq_cbfn; /* bios callback function */ + void *updateq_cbarg; /* bios callback arg */ + u32 intr_mask; +}; + +#define bfa_lpuid(__bfa) \ + bfa_ioc_portid(&(__bfa)->ioc) +#define bfa_msix_init(__bfa, __nvecs) \ + ((__bfa)->iocfc.hwif.hw_msix_init(__bfa, __nvecs)) +#define bfa_msix_install(__bfa) \ + ((__bfa)->iocfc.hwif.hw_msix_install(__bfa)) +#define bfa_msix_uninstall(__bfa) \ + ((__bfa)->iocfc.hwif.hw_msix_uninstall(__bfa)) +#define bfa_isr_mode_set(__bfa, __msix) \ + ((__bfa)->iocfc.hwif.hw_isr_mode_set(__bfa, __msix)) +#define bfa_msix_getvecs(__bfa, __vecmap, __nvecs, __maxvec) \ + ((__bfa)->iocfc.hwif.hw_msix_getvecs(__bfa, __vecmap, \ + __nvecs, __maxvec)) +#define bfa_msix_get_rme_range(__bfa, __start, __end) \ + ((__bfa)->iocfc.hwif.hw_msix_get_rme_range(__bfa, __start, __end)) +#define bfa_msix(__bfa, __vec) \ + ((__bfa)->msix.handler[__vec](__bfa, __vec)) + +/* + * FC specific IOC functions. + */ +void bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, + u32 *dm_len); +void bfa_iocfc_attach(struct bfa_s *bfa, void *bfad, + struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo, + struct bfa_pcidev_s *pcidev); +void bfa_iocfc_detach(struct bfa_s *bfa); +void bfa_iocfc_init(struct bfa_s *bfa); +void bfa_iocfc_start(struct bfa_s *bfa); +void bfa_iocfc_stop(struct bfa_s *bfa); +void bfa_iocfc_isr(void *bfa, struct bfi_mbmsg_s *msg); +void bfa_iocfc_set_snsbase(struct bfa_s *bfa, u64 snsbase_pa); +bfa_boolean_t bfa_iocfc_is_operational(struct bfa_s *bfa); +void bfa_iocfc_reset_queues(struct bfa_s *bfa); + +void bfa_msix_all(struct bfa_s *bfa, int vec); +void bfa_msix_reqq(struct bfa_s *bfa, int vec); +void bfa_msix_rspq(struct bfa_s *bfa, int vec); +void bfa_msix_lpu_err(struct bfa_s *bfa, int vec); + +void bfa_hwcb_reginit(struct bfa_s *bfa); +void bfa_hwcb_reqq_ack(struct bfa_s *bfa, int rspq); +void bfa_hwcb_rspq_ack(struct bfa_s *bfa, int rspq); +void bfa_hwcb_msix_init(struct bfa_s *bfa, int nvecs); +void bfa_hwcb_msix_install(struct bfa_s *bfa); +void bfa_hwcb_msix_uninstall(struct bfa_s *bfa); +void bfa_hwcb_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix); +void bfa_hwcb_msix_getvecs(struct bfa_s *bfa, u32 *vecmap, u32 *nvecs, + u32 *maxvec); +void bfa_hwcb_msix_get_rme_range(struct bfa_s *bfa, u32 *start, + u32 *end); +void bfa_hwct_reginit(struct bfa_s *bfa); +void bfa_hwct_reqq_ack(struct bfa_s *bfa, int rspq); +void bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq); +void bfa_hwct_msix_init(struct bfa_s *bfa, int nvecs); +void bfa_hwct_msix_install(struct bfa_s *bfa); +void bfa_hwct_msix_uninstall(struct bfa_s *bfa); +void bfa_hwct_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix); +void bfa_hwct_msix_getvecs(struct bfa_s *bfa, u32 *vecmap, u32 *nvecs, + u32 *maxvec); +void bfa_hwct_msix_get_rme_range(struct bfa_s *bfa, u32 *start, + u32 *end); +void bfa_com_port_attach(struct bfa_s *bfa, struct bfa_meminfo_s *mi); +void bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t *wwns); +wwn_t bfa_iocfc_get_pwwn(struct bfa_s *bfa); +wwn_t bfa_iocfc_get_nwwn(struct bfa_s *bfa); +void bfa_iocfc_get_pbc_boot_cfg(struct bfa_s *bfa, + struct bfa_boot_pbc_s *pbcfg); +int bfa_iocfc_get_pbc_vports(struct bfa_s *bfa, + struct bfi_pbc_vport_s *pbc_vport); + + +/** + *---------------------------------------------------------------------- + * BFA public interfaces + *---------------------------------------------------------------------- + */ +#define bfa_stats(_mod, _stats) ((_mod)->stats._stats++) +#define bfa_ioc_get_stats(__bfa, __ioc_stats) \ + bfa_ioc_fetch_stats(&(__bfa)->ioc, __ioc_stats) +#define bfa_ioc_clear_stats(__bfa) \ + bfa_ioc_clr_stats(&(__bfa)->ioc) +#define bfa_get_nports(__bfa) \ + bfa_ioc_get_nports(&(__bfa)->ioc) +#define bfa_get_adapter_manufacturer(__bfa, __manufacturer) \ + bfa_ioc_get_adapter_manufacturer(&(__bfa)->ioc, __manufacturer) +#define bfa_get_adapter_model(__bfa, __model) \ + bfa_ioc_get_adapter_model(&(__bfa)->ioc, __model) +#define bfa_get_adapter_serial_num(__bfa, __serial_num) \ + bfa_ioc_get_adapter_serial_num(&(__bfa)->ioc, __serial_num) +#define bfa_get_adapter_fw_ver(__bfa, __fw_ver) \ + bfa_ioc_get_adapter_fw_ver(&(__bfa)->ioc, __fw_ver) +#define bfa_get_adapter_optrom_ver(__bfa, __optrom_ver) \ + bfa_ioc_get_adapter_optrom_ver(&(__bfa)->ioc, __optrom_ver) +#define bfa_get_pci_chip_rev(__bfa, __chip_rev) \ + bfa_ioc_get_pci_chip_rev(&(__bfa)->ioc, __chip_rev) +#define bfa_get_ioc_state(__bfa) \ + bfa_ioc_get_state(&(__bfa)->ioc) +#define bfa_get_type(__bfa) \ + bfa_ioc_get_type(&(__bfa)->ioc) +#define bfa_get_mac(__bfa) \ + bfa_ioc_get_mac(&(__bfa)->ioc) +#define bfa_get_mfg_mac(__bfa) \ + bfa_ioc_get_mfg_mac(&(__bfa)->ioc) +#define bfa_get_fw_clock_res(__bfa) \ + ((__bfa)->iocfc.cfgrsp->fwcfg.fw_tick_res) + +void bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids); +void bfa_cfg_get_default(struct bfa_iocfc_cfg_s *cfg); +void bfa_cfg_get_min(struct bfa_iocfc_cfg_s *cfg); +void bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo); +void bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo, + struct bfa_pcidev_s *pcidev); +void bfa_init_trc(struct bfa_s *bfa, struct bfa_trc_mod_s *trcmod); +void bfa_init_plog(struct bfa_s *bfa, struct bfa_plog_s *plog); +void bfa_detach(struct bfa_s *bfa); +void bfa_init(struct bfa_s *bfa); +void bfa_start(struct bfa_s *bfa); +void bfa_stop(struct bfa_s *bfa); +void bfa_attach_fcs(struct bfa_s *bfa); +void bfa_cb_init(void *bfad, bfa_status_t status); +void bfa_cb_updateq(void *bfad, bfa_status_t status); + +bfa_boolean_t bfa_intx(struct bfa_s *bfa); +void bfa_intx_disable(struct bfa_s *bfa); +void bfa_intx_enable(struct bfa_s *bfa); +void bfa_isr_enable(struct bfa_s *bfa); +void bfa_isr_disable(struct bfa_s *bfa); + +void bfa_comp_deq(struct bfa_s *bfa, struct list_head *comp_q); +void bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q); +void bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q); + +typedef void (*bfa_cb_ioc_t) (void *cbarg, enum bfa_status status); +void bfa_iocfc_get_attr(struct bfa_s *bfa, struct bfa_iocfc_attr_s *attr); +void bfa_get_attr(struct bfa_s *bfa, struct bfa_ioc_attr_s *ioc_attr); + +void bfa_adapter_get_attr(struct bfa_s *bfa, + struct bfa_adapter_attr_s *ad_attr); +u64 bfa_adapter_get_id(struct bfa_s *bfa); + +bfa_status_t bfa_iocfc_israttr_set(struct bfa_s *bfa, + struct bfa_iocfc_intr_attr_s *attr); + +void bfa_iocfc_enable(struct bfa_s *bfa); +void bfa_iocfc_disable(struct bfa_s *bfa); +void bfa_chip_reset(struct bfa_s *bfa); +void bfa_timer_tick(struct bfa_s *bfa); +#define bfa_timer_start(_bfa, _timer, _timercb, _arg, _timeout) \ + bfa_timer_begin(&(_bfa)->timer_mod, _timer, _timercb, _arg, _timeout) + +/* + * BFA debug API functions + */ +bfa_status_t bfa_debug_fwtrc(struct bfa_s *bfa, void *trcdata, int *trclen); +bfa_status_t bfa_debug_fwsave(struct bfa_s *bfa, void *trcdata, int *trclen); +bfa_status_t bfa_debug_fwcore(struct bfa_s *bfa, void *buf, + u32 *offset, int *buflen); +void bfa_debug_fwsave_clear(struct bfa_s *bfa); +bfa_status_t bfa_fw_stats_get(struct bfa_s *bfa, void *data); +bfa_status_t bfa_fw_stats_clear(struct bfa_s *bfa); + +#endif /* __BFA_H__ */ diff --git a/drivers/scsi/bfa/bfa_callback_priv.h b/drivers/scsi/bfa/bfa_callback_priv.h deleted file mode 100644 index 1e3265c9f7d4..000000000000 --- a/drivers/scsi/bfa/bfa_callback_priv.h +++ /dev/null @@ -1,57 +0,0 @@ -/* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - * - * Linux driver for Brocade Fibre Channel Host Bus Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ - -#ifndef __BFA_CALLBACK_PRIV_H__ -#define __BFA_CALLBACK_PRIV_H__ - -#include <cs/bfa_q.h> - -typedef void (*bfa_cb_cbfn_t) (void *cbarg, bfa_boolean_t complete); - -/** - * Generic BFA callback element. - */ -struct bfa_cb_qe_s { - struct list_head qe; - bfa_cb_cbfn_t cbfn; - bfa_boolean_t once; - u32 rsvd; - void *cbarg; -}; - -#define bfa_cb_queue(__bfa, __hcb_qe, __cbfn, __cbarg) do { \ - (__hcb_qe)->cbfn = (__cbfn); \ - (__hcb_qe)->cbarg = (__cbarg); \ - list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q); \ -} while (0) - -#define bfa_cb_dequeue(__hcb_qe) list_del(&(__hcb_qe)->qe) - -#define bfa_cb_queue_once(__bfa, __hcb_qe, __cbfn, __cbarg) do { \ - (__hcb_qe)->cbfn = (__cbfn); \ - (__hcb_qe)->cbarg = (__cbarg); \ - if (!(__hcb_qe)->once) { \ - list_add_tail((__hcb_qe), &(__bfa)->comp_q); \ - (__hcb_qe)->once = BFA_TRUE; \ - } \ -} while (0) - -#define bfa_cb_queue_done(__hcb_qe) do { \ - (__hcb_qe)->once = BFA_FALSE; \ -} while (0) - -#endif /* __BFA_CALLBACK_PRIV_H__ */ diff --git a/drivers/scsi/bfa/bfa_cb_ioim_macros.h b/drivers/scsi/bfa/bfa_cb_ioim.h index 3906ed926966..a989a94c38da 100644 --- a/drivers/scsi/bfa/bfa_cb_ioim_macros.h +++ b/drivers/scsi/bfa/bfa_cb_ioim.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. * All rights reserved * www.brocade.com * @@ -15,37 +15,25 @@ * General Public License for more details. */ -/** - * bfa_cb_ioim_macros.h BFA IOIM driver interface macros. - */ - -#ifndef __BFA_HCB_IOIM_MACROS_H__ -#define __BFA_HCB_IOIM_MACROS_H__ - -#include <bfa_os_inc.h> -/* - * #include <linux/dma-mapping.h> - * - * #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> #include - * <scsi/scsi_device.h> #include <scsi/scsi_host.h> - */ -#include "bfad_im_compat.h" +#ifndef __BFA_HCB_IOIM_H__ +#define __BFA_HCB_IOIM_H__ +#include "bfa_os_inc.h" /* * task attribute values in FCP-2 FCP_CMND IU */ #define SIMPLE_Q 0 #define HEAD_OF_Q 1 #define ORDERED_Q 2 -#define ACA_Q 4 +#define ACA_Q 4 #define UNTAGGED 5 static inline lun_t bfad_int_to_lun(u32 luno) { union { - u16 scsi_lun[4]; - lun_t bfa_lun; + u16 scsi_lun[4]; + lun_t bfa_lun; } lun; lun.bfa_lun = 0; @@ -141,7 +129,7 @@ static inline u8 bfa_cb_ioim_get_taskattr(struct bfad_ioim_s *dio) { struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio; - u8 task_attr = UNTAGGED; + u8 task_attr = UNTAGGED; if (cmnd->device->tagged_supported) { switch (cmnd->tag) { @@ -178,4 +166,4 @@ bfa_cb_ioim_get_cdblen(struct bfad_ioim_s *dio) */ #define bfa_cb_ioim_get_reqq(__dio) BFA_FALSE -#endif /* __BFA_HCB_IOIM_MACROS_H__ */ +#endif /* __BFA_HCB_IOIM_H__ */ diff --git a/drivers/scsi/bfa/bfa_cee.c b/drivers/scsi/bfa/bfa_cee.c deleted file mode 100644 index 2b917792c6bc..000000000000 --- a/drivers/scsi/bfa/bfa_cee.c +++ /dev/null @@ -1,492 +0,0 @@ -/* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - * - * Linux driver for Brocade Fibre Channel Host Bus Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ - -#include <defs/bfa_defs_cee.h> -#include <cs/bfa_trc.h> -#include <cs/bfa_log.h> -#include <cs/bfa_debug.h> -#include <cee/bfa_cee.h> -#include <bfi/bfi_cee.h> -#include <bfi/bfi.h> -#include <bfa_ioc.h> -#include <cna/bfa_cna_trcmod.h> - -BFA_TRC_FILE(CNA, CEE); - -#define bfa_ioc_portid(__ioc) ((__ioc)->port_id) -#define bfa_lpuid(__arg) bfa_ioc_portid(&(__arg)->ioc) - -static void bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg_s *lldp_cfg); -static void bfa_cee_format_dcbcx_stats(struct bfa_cee_dcbx_stats_s - *dcbcx_stats); -static void bfa_cee_format_lldp_stats(struct bfa_cee_lldp_stats_s - *lldp_stats); -static void bfa_cee_format_cfg_stats(struct bfa_cee_cfg_stats_s *cfg_stats); -static void bfa_cee_format_cee_cfg(void *buffer); -static void bfa_cee_format_cee_stats(void *buffer); - -static void -bfa_cee_format_cee_stats(void *buffer) -{ - struct bfa_cee_stats_s *cee_stats = buffer; - bfa_cee_format_dcbcx_stats(&cee_stats->dcbx_stats); - bfa_cee_format_lldp_stats(&cee_stats->lldp_stats); - bfa_cee_format_cfg_stats(&cee_stats->cfg_stats); -} - -static void -bfa_cee_format_cee_cfg(void *buffer) -{ - struct bfa_cee_attr_s *cee_cfg = buffer; - bfa_cee_format_lldp_cfg(&cee_cfg->lldp_remote); -} - -static void -bfa_cee_format_dcbcx_stats(struct bfa_cee_dcbx_stats_s *dcbcx_stats) -{ - dcbcx_stats->subtlvs_unrecognized = - bfa_os_ntohl(dcbcx_stats->subtlvs_unrecognized); - dcbcx_stats->negotiation_failed = - bfa_os_ntohl(dcbcx_stats->negotiation_failed); - dcbcx_stats->remote_cfg_changed = - bfa_os_ntohl(dcbcx_stats->remote_cfg_changed); - dcbcx_stats->tlvs_received = bfa_os_ntohl(dcbcx_stats->tlvs_received); - dcbcx_stats->tlvs_invalid = bfa_os_ntohl(dcbcx_stats->tlvs_invalid); - dcbcx_stats->seqno = bfa_os_ntohl(dcbcx_stats->seqno); - dcbcx_stats->ackno = bfa_os_ntohl(dcbcx_stats->ackno); - dcbcx_stats->recvd_seqno = bfa_os_ntohl(dcbcx_stats->recvd_seqno); - dcbcx_stats->recvd_ackno = bfa_os_ntohl(dcbcx_stats->recvd_ackno); -} - -static void -bfa_cee_format_lldp_stats(struct bfa_cee_lldp_stats_s *lldp_stats) -{ - lldp_stats->frames_transmitted = - bfa_os_ntohl(lldp_stats->frames_transmitted); - lldp_stats->frames_aged_out = bfa_os_ntohl(lldp_stats->frames_aged_out); - lldp_stats->frames_discarded = - bfa_os_ntohl(lldp_stats->frames_discarded); - lldp_stats->frames_in_error = bfa_os_ntohl(lldp_stats->frames_in_error); - lldp_stats->frames_rcvd = bfa_os_ntohl(lldp_stats->frames_rcvd); - lldp_stats->tlvs_discarded = bfa_os_ntohl(lldp_stats->tlvs_discarded); - lldp_stats->tlvs_unrecognized = - bfa_os_ntohl(lldp_stats->tlvs_unrecognized); -} - -static void -bfa_cee_format_cfg_stats(struct bfa_cee_cfg_stats_s *cfg_stats) -{ - cfg_stats->cee_status_down = bfa_os_ntohl(cfg_stats->cee_status_down); - cfg_stats->cee_status_up = bfa_os_ntohl(cfg_stats->cee_status_up); - cfg_stats->cee_hw_cfg_changed = - bfa_os_ntohl(cfg_stats->cee_hw_cfg_changed); - cfg_stats->recvd_invalid_cfg = - bfa_os_ntohl(cfg_stats->recvd_invalid_cfg); -} - -static void -bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg_s *lldp_cfg) -{ - lldp_cfg->time_to_interval = bfa_os_ntohs(lldp_cfg->time_to_interval); - lldp_cfg->enabled_system_cap = - bfa_os_ntohs(lldp_cfg->enabled_system_cap); -} - -/** - * bfa_cee_attr_meminfo() - * - * - * @param[in] void - * - * @return Size of DMA region - */ -static u32 -bfa_cee_attr_meminfo(void) -{ - return BFA_ROUNDUP(sizeof(struct bfa_cee_attr_s), BFA_DMA_ALIGN_SZ); -} - -/** - * bfa_cee_stats_meminfo() - * - * - * @param[in] void - * - * @return Size of DMA region - */ -static u32 -bfa_cee_stats_meminfo(void) -{ - return BFA_ROUNDUP(sizeof(struct bfa_cee_stats_s), BFA_DMA_ALIGN_SZ); -} - -/** - * bfa_cee_get_attr_isr() - * - * - * @param[in] cee - Pointer to the CEE module - * status - Return status from the f/w - * - * @return void - */ -static void -bfa_cee_get_attr_isr(struct bfa_cee_s *cee, bfa_status_t status) -{ - cee->get_attr_status = status; - bfa_trc(cee, 0); - if (status == BFA_STATUS_OK) { - bfa_trc(cee, 0); - /* - * The requested data has been copied to the DMA area, *process - * it. - */ - memcpy(cee->attr, cee->attr_dma.kva, - sizeof(struct bfa_cee_attr_s)); - bfa_cee_format_cee_cfg(cee->attr); - } - cee->get_attr_pending = BFA_FALSE; - if (cee->cbfn.get_attr_cbfn) { - bfa_trc(cee, 0); - cee->cbfn.get_attr_cbfn(cee->cbfn.get_attr_cbarg, status); - } - bfa_trc(cee, 0); -} - -/** - * bfa_cee_get_attr_isr() - * - * - * @param[in] cee - Pointer to the CEE module - * status - Return status from the f/w - * - * @return void - */ -static void -bfa_cee_get_stats_isr(struct bfa_cee_s *cee, bfa_status_t status) -{ - cee->get_stats_status = status; - bfa_trc(cee, 0); - if (status == BFA_STATUS_OK) { - bfa_trc(cee, 0); - /* - * The requested data has been copied to the DMA area, process - * it. - */ - memcpy(cee->stats, cee->stats_dma.kva, - sizeof(struct bfa_cee_stats_s)); - bfa_cee_format_cee_stats(cee->stats); - } - cee->get_stats_pending = BFA_FALSE; - bfa_trc(cee, 0); - if (cee->cbfn.get_stats_cbfn) { - bfa_trc(cee, 0); - cee->cbfn.get_stats_cbfn(cee->cbfn.get_stats_cbarg, status); - } - bfa_trc(cee, 0); -} - -/** - * bfa_cee_get_attr_isr() - * - * - * @param[in] cee - Pointer to the CEE module - * status - Return status from the f/w - * - * @return void - */ -static void -bfa_cee_reset_stats_isr(struct bfa_cee_s *cee, bfa_status_t status) -{ - cee->reset_stats_status = status; - cee->reset_stats_pending = BFA_FALSE; - if (cee->cbfn.reset_stats_cbfn) - cee->cbfn.reset_stats_cbfn(cee->cbfn.reset_stats_cbarg, status); -} - -/** - * bfa_cee_meminfo() - * - * - * @param[in] void - * - * @return Size of DMA region - */ -u32 -bfa_cee_meminfo(void) -{ - return bfa_cee_attr_meminfo() + bfa_cee_stats_meminfo(); -} - -/** - * bfa_cee_mem_claim() - * - * - * @param[in] cee CEE module pointer - * dma_kva Kernel Virtual Address of CEE DMA Memory - * dma_pa Physical Address of CEE DMA Memory - * - * @return void - */ -void -bfa_cee_mem_claim(struct bfa_cee_s *cee, u8 *dma_kva, u64 dma_pa) -{ - cee->attr_dma.kva = dma_kva; - cee->attr_dma.pa = dma_pa; - cee->stats_dma.kva = dma_kva + bfa_cee_attr_meminfo(); - cee->stats_dma.pa = dma_pa + bfa_cee_attr_meminfo(); - cee->attr = (struct bfa_cee_attr_s *)dma_kva; - cee->stats = - (struct bfa_cee_stats_s *)(dma_kva + bfa_cee_attr_meminfo()); -} - -/** - * bfa_cee_get_attr() - * - * Send the request to the f/w to fetch CEE attributes. - * - * @param[in] Pointer to the CEE module data structure. - * - * @return Status - */ - -bfa_status_t -bfa_cee_get_attr(struct bfa_cee_s *cee, struct bfa_cee_attr_s *attr, - bfa_cee_get_attr_cbfn_t cbfn, void *cbarg) -{ - struct bfi_cee_get_req_s *cmd; - - bfa_assert((cee != NULL) && (cee->ioc != NULL)); - bfa_trc(cee, 0); - if (!bfa_ioc_is_operational(cee->ioc)) { - bfa_trc(cee, 0); - return BFA_STATUS_IOC_FAILURE; - } - if (cee->get_attr_pending == BFA_TRUE) { - bfa_trc(cee, 0); - return BFA_STATUS_DEVBUSY; - } - cee->get_attr_pending = BFA_TRUE; - cmd = (struct bfi_cee_get_req_s *)cee->get_cfg_mb.msg; - cee->attr = attr; - cee->cbfn.get_attr_cbfn = cbfn; - cee->cbfn.get_attr_cbarg = cbarg; - bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_GET_CFG_REQ, - bfa_ioc_portid(cee->ioc)); - bfa_dma_be_addr_set(cmd->dma_addr, cee->attr_dma.pa); - bfa_ioc_mbox_queue(cee->ioc, &cee->get_cfg_mb); - bfa_trc(cee, 0); - - return BFA_STATUS_OK; -} - -/** - * bfa_cee_get_stats() - * - * Send the request to the f/w to fetch CEE statistics. - * - * @param[in] Pointer to the CEE module data structure. - * - * @return Status - */ - -bfa_status_t -bfa_cee_get_stats(struct bfa_cee_s *cee, struct bfa_cee_stats_s *stats, - bfa_cee_get_stats_cbfn_t cbfn, void *cbarg) -{ - struct bfi_cee_get_req_s *cmd; - - bfa_assert((cee != NULL) && (cee->ioc != NULL)); - - if (!bfa_ioc_is_operational(cee->ioc)) { - bfa_trc(cee, 0); - return BFA_STATUS_IOC_FAILURE; - } - if (cee->get_stats_pending == BFA_TRUE) { - bfa_trc(cee, 0); - return BFA_STATUS_DEVBUSY; - } - cee->get_stats_pending = BFA_TRUE; - cmd = (struct bfi_cee_get_req_s *)cee->get_stats_mb.msg; - cee->stats = stats; - cee->cbfn.get_stats_cbfn = cbfn; - cee->cbfn.get_stats_cbarg = cbarg; - bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_GET_STATS_REQ, - bfa_ioc_portid(cee->ioc)); - bfa_dma_be_addr_set(cmd->dma_addr, cee->stats_dma.pa); - bfa_ioc_mbox_queue(cee->ioc, &cee->get_stats_mb); - bfa_trc(cee, 0); - - return BFA_STATUS_OK; -} - -/** - * bfa_cee_reset_stats() - * - * - * @param[in] Pointer to the CEE module data structure. - * - * @return Status - */ - -bfa_status_t -bfa_cee_reset_stats(struct bfa_cee_s *cee, bfa_cee_reset_stats_cbfn_t cbfn, - void *cbarg) -{ - struct bfi_cee_reset_stats_s *cmd; - - bfa_assert((cee != NULL) && (cee->ioc != NULL)); - if (!bfa_ioc_is_operational(cee->ioc)) { - bfa_trc(cee, 0); - return BFA_STATUS_IOC_FAILURE; - } - if (cee->reset_stats_pending == BFA_TRUE) { - bfa_trc(cee, 0); - return BFA_STATUS_DEVBUSY; - } - cee->reset_stats_pending = BFA_TRUE; - cmd = (struct bfi_cee_reset_stats_s *)cee->reset_stats_mb.msg; - cee->cbfn.reset_stats_cbfn = cbfn; - cee->cbfn.reset_stats_cbarg = cbarg; - bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_RESET_STATS, - bfa_ioc_portid(cee->ioc)); - bfa_ioc_mbox_queue(cee->ioc, &cee->reset_stats_mb); - bfa_trc(cee, 0); - return BFA_STATUS_OK; -} - -/** - * bfa_cee_isrs() - * - * - * @param[in] Pointer to the CEE module data structure. - * - * @return void - */ - -void -bfa_cee_isr(void *cbarg, struct bfi_mbmsg_s *m) -{ - union bfi_cee_i2h_msg_u *msg; - struct bfi_cee_get_rsp_s *get_rsp; - struct bfa_cee_s *cee = (struct bfa_cee_s *)cbarg; - msg = (union bfi_cee_i2h_msg_u *)m; - get_rsp = (struct bfi_cee_get_rsp_s *)m; - bfa_trc(cee, msg->mh.msg_id); - switch (msg->mh.msg_id) { - case BFI_CEE_I2H_GET_CFG_RSP: - bfa_trc(cee, get_rsp->cmd_status); - bfa_cee_get_attr_isr(cee, get_rsp->cmd_status); - break; - case BFI_CEE_I2H_GET_STATS_RSP: - bfa_cee_get_stats_isr(cee, get_rsp->cmd_status); - break; - case BFI_CEE_I2H_RESET_STATS_RSP: - bfa_cee_reset_stats_isr(cee, get_rsp->cmd_status); - break; - default: - bfa_assert(0); - } -} - -/** - * bfa_cee_hbfail() - * - * - * @param[in] Pointer to the CEE module data structure. - * - * @return void - */ - -void -bfa_cee_hbfail(void *arg) -{ - struct bfa_cee_s *cee; - cee = (struct bfa_cee_s *)arg; - - if (cee->get_attr_pending == BFA_TRUE) { - cee->get_attr_status = BFA_STATUS_FAILED; - cee->get_attr_pending = BFA_FALSE; - if (cee->cbfn.get_attr_cbfn) { - cee->cbfn.get_attr_cbfn(cee->cbfn.get_attr_cbarg, - BFA_STATUS_FAILED); - } - } - if (cee->get_stats_pending == BFA_TRUE) { - cee->get_stats_status = BFA_STATUS_FAILED; - cee->get_stats_pending = BFA_FALSE; - if (cee->cbfn.get_stats_cbfn) { - cee->cbfn.get_stats_cbfn(cee->cbfn.get_stats_cbarg, - BFA_STATUS_FAILED); - } - } - if (cee->reset_stats_pending == BFA_TRUE) { - cee->reset_stats_status = BFA_STATUS_FAILED; - cee->reset_stats_pending = BFA_FALSE; - if (cee->cbfn.reset_stats_cbfn) { - cee->cbfn.reset_stats_cbfn(cee->cbfn.reset_stats_cbarg, - BFA_STATUS_FAILED); - } - } -} - -/** - * bfa_cee_attach() - * - * - * @param[in] cee - Pointer to the CEE module data structure - * ioc - Pointer to the ioc module data structure - * dev - Pointer to the device driver module data structure - * The device driver specific mbox ISR functions have - * this pointer as one of the parameters. - * trcmod - - * logmod - - * - * @return void - */ -void -bfa_cee_attach(struct bfa_cee_s *cee, struct bfa_ioc_s *ioc, void *dev, - struct bfa_trc_mod_s *trcmod, struct bfa_log_mod_s *logmod) -{ - bfa_assert(cee != NULL); - cee->dev = dev; - cee->trcmod = trcmod; - cee->logmod = logmod; - cee->ioc = ioc; - - bfa_ioc_mbox_regisr(cee->ioc, BFI_MC_CEE, bfa_cee_isr, cee); - bfa_ioc_hbfail_init(&cee->hbfail, bfa_cee_hbfail, cee); - bfa_ioc_hbfail_register(cee->ioc, &cee->hbfail); - bfa_trc(cee, 0); -} - -/** - * bfa_cee_detach() - * - * - * @param[in] cee - Pointer to the CEE module data structure - * - * @return void - */ -void -bfa_cee_detach(struct bfa_cee_s *cee) -{ - /* - * For now, just check if there is some ioctl pending and mark that as - * failed? - */ - /* bfa_cee_hbfail(cee); */ -} diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c index 76fa5c5b40dd..c2fa07f2485d 100644 --- a/drivers/scsi/bfa/bfa_core.c +++ b/drivers/scsi/bfa/bfa_core.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. * All rights reserved * www.brocade.com * @@ -15,27 +15,992 @@ * General Public License for more details. */ -#include <bfa.h> -#include <defs/bfa_defs_pci.h> -#include <cs/bfa_debug.h> -#include <bfa_iocfc.h> +#include "bfa_modules.h" +#include "bfi_ctreg.h" +#include "bfad_drv.h" -#define DEF_CFG_NUM_FABRICS 1 -#define DEF_CFG_NUM_LPORTS 256 -#define DEF_CFG_NUM_CQS 4 -#define DEF_CFG_NUM_IOIM_REQS (BFA_IOIM_MAX) -#define DEF_CFG_NUM_TSKIM_REQS 128 -#define DEF_CFG_NUM_FCXP_REQS 64 -#define DEF_CFG_NUM_UF_BUFS 64 -#define DEF_CFG_NUM_RPORTS 1024 -#define DEF_CFG_NUM_ITNIMS (DEF_CFG_NUM_RPORTS) -#define DEF_CFG_NUM_TINS 256 +BFA_TRC_FILE(HAL, CORE); -#define DEF_CFG_NUM_SGPGS 2048 -#define DEF_CFG_NUM_REQQ_ELEMS 256 -#define DEF_CFG_NUM_RSPQ_ELEMS 64 -#define DEF_CFG_NUM_SBOOT_TGTS 16 -#define DEF_CFG_NUM_SBOOT_LUNS 16 +/** + * BFA IOC FC related definitions + */ + +/** + * IOC local definitions + */ +#define BFA_IOCFC_TOV 5000 /* msecs */ + +enum { + BFA_IOCFC_ACT_NONE = 0, + BFA_IOCFC_ACT_INIT = 1, + BFA_IOCFC_ACT_STOP = 2, + BFA_IOCFC_ACT_DISABLE = 3, +}; + +#define DEF_CFG_NUM_FABRICS 1 +#define DEF_CFG_NUM_LPORTS 256 +#define DEF_CFG_NUM_CQS 4 +#define DEF_CFG_NUM_IOIM_REQS (BFA_IOIM_MAX) +#define DEF_CFG_NUM_TSKIM_REQS 128 +#define DEF_CFG_NUM_FCXP_REQS 64 +#define DEF_CFG_NUM_UF_BUFS 64 +#define DEF_CFG_NUM_RPORTS 1024 +#define DEF_CFG_NUM_ITNIMS (DEF_CFG_NUM_RPORTS) +#define DEF_CFG_NUM_TINS 256 + +#define DEF_CFG_NUM_SGPGS 2048 +#define DEF_CFG_NUM_REQQ_ELEMS 256 +#define DEF_CFG_NUM_RSPQ_ELEMS 64 +#define DEF_CFG_NUM_SBOOT_TGTS 16 +#define DEF_CFG_NUM_SBOOT_LUNS 16 + +/** + * forward declaration for IOC FC functions + */ +static void bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status); +static void bfa_iocfc_disable_cbfn(void *bfa_arg); +static void bfa_iocfc_hbfail_cbfn(void *bfa_arg); +static void bfa_iocfc_reset_cbfn(void *bfa_arg); +static struct bfa_ioc_cbfn_s bfa_iocfc_cbfn; + +/** + * BFA Interrupt handling functions + */ +static void +bfa_msix_errint(struct bfa_s *bfa, u32 intr) +{ + bfa_ioc_error_isr(&bfa->ioc); +} + +static void +bfa_msix_lpu(struct bfa_s *bfa) +{ + bfa_ioc_mbox_isr(&bfa->ioc); +} + +static void +bfa_reqq_resume(struct bfa_s *bfa, int qid) +{ + struct list_head *waitq, *qe, *qen; + struct bfa_reqq_wait_s *wqe; + + waitq = bfa_reqq(bfa, qid); + list_for_each_safe(qe, qen, waitq) { + /** + * Callback only as long as there is room in request queue + */ + if (bfa_reqq_full(bfa, qid)) + break; + + list_del(qe); + wqe = (struct bfa_reqq_wait_s *) qe; + wqe->qresume(wqe->cbarg); + } +} + +void +bfa_msix_all(struct bfa_s *bfa, int vec) +{ + bfa_intx(bfa); +} + +/** + * hal_intr_api + */ +bfa_boolean_t +bfa_intx(struct bfa_s *bfa) +{ + u32 intr, qintr; + int queue; + + intr = bfa_reg_read(bfa->iocfc.bfa_regs.intr_status); + if (!intr) + return BFA_FALSE; + + /** + * RME completion queue interrupt + */ + qintr = intr & __HFN_INT_RME_MASK; + bfa_reg_write(bfa->iocfc.bfa_regs.intr_status, qintr); + + for (queue = 0; queue < BFI_IOC_MAX_CQS_ASIC; queue++) { + if (intr & (__HFN_INT_RME_Q0 << queue)) + bfa_msix_rspq(bfa, queue & (BFI_IOC_MAX_CQS - 1)); + } + intr &= ~qintr; + if (!intr) + return BFA_TRUE; + + /** + * CPE completion queue interrupt + */ + qintr = intr & __HFN_INT_CPE_MASK; + bfa_reg_write(bfa->iocfc.bfa_regs.intr_status, qintr); + + for (queue = 0; queue < BFI_IOC_MAX_CQS_ASIC; queue++) { + if (intr & (__HFN_INT_CPE_Q0 << queue)) + bfa_msix_reqq(bfa, queue & (BFI_IOC_MAX_CQS - 1)); + } + intr &= ~qintr; + if (!intr) + return BFA_TRUE; + + bfa_msix_lpu_err(bfa, intr); + + return BFA_TRUE; +} + +void +bfa_intx_enable(struct bfa_s *bfa) +{ + bfa_reg_write(bfa->iocfc.bfa_regs.intr_mask, bfa->iocfc.intr_mask); +} + +void +bfa_intx_disable(struct bfa_s *bfa) +{ + bfa_reg_write(bfa->iocfc.bfa_regs.intr_mask, -1L); +} + +void +bfa_isr_enable(struct bfa_s *bfa) +{ + u32 intr_unmask; + int pci_func = bfa_ioc_pcifn(&bfa->ioc); + + bfa_trc(bfa, pci_func); + + bfa_msix_install(bfa); + intr_unmask = (__HFN_INT_ERR_EMC | __HFN_INT_ERR_LPU0 | + __HFN_INT_ERR_LPU1 | __HFN_INT_ERR_PSS | + __HFN_INT_LL_HALT); + + if (pci_func == 0) + intr_unmask |= (__HFN_INT_CPE_Q0 | __HFN_INT_CPE_Q1 | + __HFN_INT_CPE_Q2 | __HFN_INT_CPE_Q3 | + __HFN_INT_RME_Q0 | __HFN_INT_RME_Q1 | + __HFN_INT_RME_Q2 | __HFN_INT_RME_Q3 | + __HFN_INT_MBOX_LPU0); + else + intr_unmask |= (__HFN_INT_CPE_Q4 | __HFN_INT_CPE_Q5 | + __HFN_INT_CPE_Q6 | __HFN_INT_CPE_Q7 | + __HFN_INT_RME_Q4 | __HFN_INT_RME_Q5 | + __HFN_INT_RME_Q6 | __HFN_INT_RME_Q7 | + __HFN_INT_MBOX_LPU1); + + bfa_reg_write(bfa->iocfc.bfa_regs.intr_status, intr_unmask); + bfa_reg_write(bfa->iocfc.bfa_regs.intr_mask, ~intr_unmask); + bfa->iocfc.intr_mask = ~intr_unmask; + bfa_isr_mode_set(bfa, bfa->msix.nvecs != 0); +} + +void +bfa_isr_disable(struct bfa_s *bfa) +{ + bfa_isr_mode_set(bfa, BFA_FALSE); + bfa_reg_write(bfa->iocfc.bfa_regs.intr_mask, -1L); + bfa_msix_uninstall(bfa); +} + +void +bfa_msix_reqq(struct bfa_s *bfa, int qid) +{ + struct list_head *waitq; + + qid &= (BFI_IOC_MAX_CQS - 1); + + bfa->iocfc.hwif.hw_reqq_ack(bfa, qid); + + /** + * Resume any pending requests in the corresponding reqq. + */ + waitq = bfa_reqq(bfa, qid); + if (!list_empty(waitq)) + bfa_reqq_resume(bfa, qid); +} + +void +bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m) +{ + bfa_trc(bfa, m->mhdr.msg_class); + bfa_trc(bfa, m->mhdr.msg_id); + bfa_trc(bfa, m->mhdr.mtag.i2htok); + bfa_assert(0); + bfa_trc_stop(bfa->trcmod); +} + +void +bfa_msix_rspq(struct bfa_s *bfa, int qid) +{ + struct bfi_msg_s *m; + u32 pi, ci; + struct list_head *waitq; + + bfa_trc_fp(bfa, qid); + + qid &= (BFI_IOC_MAX_CQS - 1); + + bfa->iocfc.hwif.hw_rspq_ack(bfa, qid); + + ci = bfa_rspq_ci(bfa, qid); + pi = bfa_rspq_pi(bfa, qid); + + bfa_trc_fp(bfa, ci); + bfa_trc_fp(bfa, pi); + + if (bfa->rme_process) { + while (ci != pi) { + m = bfa_rspq_elem(bfa, qid, ci); + bfa_assert_fp(m->mhdr.msg_class < BFI_MC_MAX); + + bfa_isrs[m->mhdr.msg_class] (bfa, m); + + CQ_INCR(ci, bfa->iocfc.cfg.drvcfg.num_rspq_elems); + } + } + + /** + * update CI + */ + bfa_rspq_ci(bfa, qid) = pi; + bfa_reg_write(bfa->iocfc.bfa_regs.rme_q_ci[qid], pi); + mmiowb(); + + /** + * Resume any pending requests in the corresponding reqq. + */ + waitq = bfa_reqq(bfa, qid); + if (!list_empty(waitq)) + bfa_reqq_resume(bfa, qid); +} + +void +bfa_msix_lpu_err(struct bfa_s *bfa, int vec) +{ + u32 intr, curr_value; + + intr = bfa_reg_read(bfa->iocfc.bfa_regs.intr_status); + + if (intr & (__HFN_INT_MBOX_LPU0 | __HFN_INT_MBOX_LPU1)) + bfa_msix_lpu(bfa); + + intr &= (__HFN_INT_ERR_EMC | __HFN_INT_ERR_LPU0 | + __HFN_INT_ERR_LPU1 | __HFN_INT_ERR_PSS | __HFN_INT_LL_HALT); + + if (intr) { + if (intr & __HFN_INT_LL_HALT) { + /** + * If LL_HALT bit is set then FW Init Halt LL Port + * Register needs to be cleared as well so Interrupt + * Status Register will be cleared. + */ + curr_value = bfa_reg_read(bfa->ioc.ioc_regs.ll_halt); + curr_value &= ~__FW_INIT_HALT_P; + bfa_reg_write(bfa->ioc.ioc_regs.ll_halt, curr_value); + } + + if (intr & __HFN_INT_ERR_PSS) { + /** + * ERR_PSS bit needs to be cleared as well in case + * interrups are shared so driver's interrupt handler is + * still called eventhough it is already masked out. + */ + curr_value = bfa_reg_read( + bfa->ioc.ioc_regs.pss_err_status_reg); + curr_value &= __PSS_ERR_STATUS_SET; + bfa_reg_write(bfa->ioc.ioc_regs.pss_err_status_reg, + curr_value); + } + + bfa_reg_write(bfa->iocfc.bfa_regs.intr_status, intr); + bfa_msix_errint(bfa, intr); + } +} + +void +bfa_isr_bind(enum bfi_mclass mc, bfa_isr_func_t isr_func) +{ + bfa_isrs[mc] = isr_func; +} + +/** + * BFA IOC FC related functions + */ + +/** + * hal_ioc_pvt BFA IOC private functions + */ + +static void +bfa_iocfc_cqs_sz(struct bfa_iocfc_cfg_s *cfg, u32 *dm_len) +{ + int i, per_reqq_sz, per_rspq_sz; + + per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ), + BFA_DMA_ALIGN_SZ); + per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ), + BFA_DMA_ALIGN_SZ); + + /* + * Calculate CQ size + */ + for (i = 0; i < cfg->fwcfg.num_cqs; i++) { + *dm_len = *dm_len + per_reqq_sz; + *dm_len = *dm_len + per_rspq_sz; + } + + /* + * Calculate Shadow CI/PI size + */ + for (i = 0; i < cfg->fwcfg.num_cqs; i++) + *dm_len += (2 * BFA_CACHELINE_SZ); +} + +static void +bfa_iocfc_fw_cfg_sz(struct bfa_iocfc_cfg_s *cfg, u32 *dm_len) +{ + *dm_len += + BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ); + *dm_len += + BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s), + BFA_CACHELINE_SZ); +} + +/** + * Use the Mailbox interface to send BFI_IOCFC_H2I_CFG_REQ + */ +static void +bfa_iocfc_send_cfg(void *bfa_arg) +{ + struct bfa_s *bfa = bfa_arg; + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + struct bfi_iocfc_cfg_req_s cfg_req; + struct bfi_iocfc_cfg_s *cfg_info = iocfc->cfginfo; + struct bfa_iocfc_cfg_s *cfg = &iocfc->cfg; + int i; + + bfa_assert(cfg->fwcfg.num_cqs <= BFI_IOC_MAX_CQS); + bfa_trc(bfa, cfg->fwcfg.num_cqs); + + bfa_iocfc_reset_queues(bfa); + + /** + * initialize IOC configuration info + */ + cfg_info->endian_sig = BFI_IOC_ENDIAN_SIG; + cfg_info->num_cqs = cfg->fwcfg.num_cqs; + + bfa_dma_be_addr_set(cfg_info->cfgrsp_addr, iocfc->cfgrsp_dma.pa); + /** + * dma map REQ and RSP circular queues and shadow pointers + */ + for (i = 0; i < cfg->fwcfg.num_cqs; i++) { + bfa_dma_be_addr_set(cfg_info->req_cq_ba[i], + iocfc->req_cq_ba[i].pa); + bfa_dma_be_addr_set(cfg_info->req_shadow_ci[i], + iocfc->req_cq_shadow_ci[i].pa); + cfg_info->req_cq_elems[i] = + bfa_os_htons(cfg->drvcfg.num_reqq_elems); + + bfa_dma_be_addr_set(cfg_info->rsp_cq_ba[i], + iocfc->rsp_cq_ba[i].pa); + bfa_dma_be_addr_set(cfg_info->rsp_shadow_pi[i], + iocfc->rsp_cq_shadow_pi[i].pa); + cfg_info->rsp_cq_elems[i] = + bfa_os_htons(cfg->drvcfg.num_rspq_elems); + } + + /** + * Enable interrupt coalescing if it is driver init path + * and not ioc disable/enable path. + */ + if (!iocfc->cfgdone) + cfg_info->intr_attr.coalesce = BFA_TRUE; + + iocfc->cfgdone = BFA_FALSE; + + /** + * dma map IOC configuration itself + */ + bfi_h2i_set(cfg_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_CFG_REQ, + bfa_lpuid(bfa)); + bfa_dma_be_addr_set(cfg_req.ioc_cfg_dma_addr, iocfc->cfg_info.pa); + + bfa_ioc_mbox_send(&bfa->ioc, &cfg_req, + sizeof(struct bfi_iocfc_cfg_req_s)); +} + +static void +bfa_iocfc_init_mem(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, + struct bfa_pcidev_s *pcidev) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + + bfa->bfad = bfad; + iocfc->bfa = bfa; + iocfc->action = BFA_IOCFC_ACT_NONE; + + bfa_os_assign(iocfc->cfg, *cfg); + + /** + * Initialize chip specific handlers. + */ + if (bfa_asic_id_ct(bfa_ioc_devid(&bfa->ioc))) { + iocfc->hwif.hw_reginit = bfa_hwct_reginit; + iocfc->hwif.hw_reqq_ack = bfa_hwct_reqq_ack; + iocfc->hwif.hw_rspq_ack = bfa_hwct_rspq_ack; + iocfc->hwif.hw_msix_init = bfa_hwct_msix_init; + iocfc->hwif.hw_msix_install = bfa_hwct_msix_install; + iocfc->hwif.hw_msix_uninstall = bfa_hwct_msix_uninstall; + iocfc->hwif.hw_isr_mode_set = bfa_hwct_isr_mode_set; + iocfc->hwif.hw_msix_getvecs = bfa_hwct_msix_getvecs; + iocfc->hwif.hw_msix_get_rme_range = bfa_hwct_msix_get_rme_range; + } else { + iocfc->hwif.hw_reginit = bfa_hwcb_reginit; + iocfc->hwif.hw_reqq_ack = bfa_hwcb_reqq_ack; + iocfc->hwif.hw_rspq_ack = bfa_hwcb_rspq_ack; + iocfc->hwif.hw_msix_init = bfa_hwcb_msix_init; + iocfc->hwif.hw_msix_install = bfa_hwcb_msix_install; + iocfc->hwif.hw_msix_uninstall = bfa_hwcb_msix_uninstall; + iocfc->hwif.hw_isr_mode_set = bfa_hwcb_isr_mode_set; + iocfc->hwif.hw_msix_getvecs = bfa_hwcb_msix_getvecs; + iocfc->hwif.hw_msix_get_rme_range = bfa_hwcb_msix_get_rme_range; + } + + iocfc->hwif.hw_reginit(bfa); + bfa->msix.nvecs = 0; +} + +static void +bfa_iocfc_mem_claim(struct bfa_s *bfa, struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo) +{ + u8 *dm_kva; + u64 dm_pa; + int i, per_reqq_sz, per_rspq_sz; + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + int dbgsz; + + dm_kva = bfa_meminfo_dma_virt(meminfo); + dm_pa = bfa_meminfo_dma_phys(meminfo); + + /* + * First allocate dma memory for IOC. + */ + bfa_ioc_mem_claim(&bfa->ioc, dm_kva, dm_pa); + dm_kva += bfa_ioc_meminfo(); + dm_pa += bfa_ioc_meminfo(); + + /* + * Claim DMA-able memory for the request/response queues and for shadow + * ci/pi registers + */ + per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ), + BFA_DMA_ALIGN_SZ); + per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ), + BFA_DMA_ALIGN_SZ); + + for (i = 0; i < cfg->fwcfg.num_cqs; i++) { + iocfc->req_cq_ba[i].kva = dm_kva; + iocfc->req_cq_ba[i].pa = dm_pa; + bfa_os_memset(dm_kva, 0, per_reqq_sz); + dm_kva += per_reqq_sz; + dm_pa += per_reqq_sz; + + iocfc->rsp_cq_ba[i].kva = dm_kva; + iocfc->rsp_cq_ba[i].pa = dm_pa; + bfa_os_memset(dm_kva, 0, per_rspq_sz); + dm_kva += per_rspq_sz; + dm_pa += per_rspq_sz; + } + + for (i = 0; i < cfg->fwcfg.num_cqs; i++) { + iocfc->req_cq_shadow_ci[i].kva = dm_kva; + iocfc->req_cq_shadow_ci[i].pa = dm_pa; + dm_kva += BFA_CACHELINE_SZ; + dm_pa += BFA_CACHELINE_SZ; + + iocfc->rsp_cq_shadow_pi[i].kva = dm_kva; + iocfc->rsp_cq_shadow_pi[i].pa = dm_pa; + dm_kva += BFA_CACHELINE_SZ; + dm_pa += BFA_CACHELINE_SZ; + } + + /* + * Claim DMA-able memory for the config info page + */ + bfa->iocfc.cfg_info.kva = dm_kva; + bfa->iocfc.cfg_info.pa = dm_pa; + bfa->iocfc.cfginfo = (struct bfi_iocfc_cfg_s *) dm_kva; + dm_kva += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ); + dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ); + + /* + * Claim DMA-able memory for the config response + */ + bfa->iocfc.cfgrsp_dma.kva = dm_kva; + bfa->iocfc.cfgrsp_dma.pa = dm_pa; + bfa->iocfc.cfgrsp = (struct bfi_iocfc_cfgrsp_s *) dm_kva; + + dm_kva += + BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s), + BFA_CACHELINE_SZ); + dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s), + BFA_CACHELINE_SZ); + + + bfa_meminfo_dma_virt(meminfo) = dm_kva; + bfa_meminfo_dma_phys(meminfo) = dm_pa; + + dbgsz = bfa_ioc_debug_trcsz(bfa_auto_recover); + if (dbgsz > 0) { + bfa_ioc_debug_memclaim(&bfa->ioc, bfa_meminfo_kva(meminfo)); + bfa_meminfo_kva(meminfo) += dbgsz; + } +} + +/** + * Start BFA submodules. + */ +static void +bfa_iocfc_start_submod(struct bfa_s *bfa) +{ + int i; + + bfa->rme_process = BFA_TRUE; + + for (i = 0; hal_mods[i]; i++) + hal_mods[i]->start(bfa); +} + +/** + * Disable BFA submodules. + */ +static void +bfa_iocfc_disable_submod(struct bfa_s *bfa) +{ + int i; + + for (i = 0; hal_mods[i]; i++) + hal_mods[i]->iocdisable(bfa); +} + +static void +bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete) +{ + struct bfa_s *bfa = bfa_arg; + + if (complete) { + if (bfa->iocfc.cfgdone) + bfa_cb_init(bfa->bfad, BFA_STATUS_OK); + else + bfa_cb_init(bfa->bfad, BFA_STATUS_FAILED); + } else { + if (bfa->iocfc.cfgdone) + bfa->iocfc.action = BFA_IOCFC_ACT_NONE; + } +} + +static void +bfa_iocfc_stop_cb(void *bfa_arg, bfa_boolean_t compl) +{ + struct bfa_s *bfa = bfa_arg; + struct bfad_s *bfad = bfa->bfad; + + if (compl) + complete(&bfad->comp); + else + bfa->iocfc.action = BFA_IOCFC_ACT_NONE; +} + +static void +bfa_iocfc_disable_cb(void *bfa_arg, bfa_boolean_t compl) +{ + struct bfa_s *bfa = bfa_arg; + struct bfad_s *bfad = bfa->bfad; + + if (compl) + complete(&bfad->disable_comp); +} + +/** + * Update BFA configuration from firmware configuration. + */ +static void +bfa_iocfc_cfgrsp(struct bfa_s *bfa) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp; + struct bfa_iocfc_fwcfg_s *fwcfg = &cfgrsp->fwcfg; + + fwcfg->num_cqs = fwcfg->num_cqs; + fwcfg->num_ioim_reqs = bfa_os_ntohs(fwcfg->num_ioim_reqs); + fwcfg->num_tskim_reqs = bfa_os_ntohs(fwcfg->num_tskim_reqs); + fwcfg->num_fcxp_reqs = bfa_os_ntohs(fwcfg->num_fcxp_reqs); + fwcfg->num_uf_bufs = bfa_os_ntohs(fwcfg->num_uf_bufs); + fwcfg->num_rports = bfa_os_ntohs(fwcfg->num_rports); + + iocfc->cfgdone = BFA_TRUE; + + /** + * Configuration is complete - initialize/start submodules + */ + bfa_fcport_init(bfa); + + if (iocfc->action == BFA_IOCFC_ACT_INIT) + bfa_cb_queue(bfa, &iocfc->init_hcb_qe, bfa_iocfc_init_cb, bfa); + else + bfa_iocfc_start_submod(bfa); +} +void +bfa_iocfc_reset_queues(struct bfa_s *bfa) +{ + int q; + + for (q = 0; q < BFI_IOC_MAX_CQS; q++) { + bfa_reqq_ci(bfa, q) = 0; + bfa_reqq_pi(bfa, q) = 0; + bfa_rspq_ci(bfa, q) = 0; + bfa_rspq_pi(bfa, q) = 0; + } +} + +/** + * IOC enable request is complete + */ +static void +bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status) +{ + struct bfa_s *bfa = bfa_arg; + + if (status != BFA_STATUS_OK) { + bfa_isr_disable(bfa); + if (bfa->iocfc.action == BFA_IOCFC_ACT_INIT) + bfa_cb_queue(bfa, &bfa->iocfc.init_hcb_qe, + bfa_iocfc_init_cb, bfa); + return; + } + + bfa_iocfc_send_cfg(bfa); +} + +/** + * IOC disable request is complete + */ +static void +bfa_iocfc_disable_cbfn(void *bfa_arg) +{ + struct bfa_s *bfa = bfa_arg; + + bfa_isr_disable(bfa); + bfa_iocfc_disable_submod(bfa); + + if (bfa->iocfc.action == BFA_IOCFC_ACT_STOP) + bfa_cb_queue(bfa, &bfa->iocfc.stop_hcb_qe, bfa_iocfc_stop_cb, + bfa); + else { + bfa_assert(bfa->iocfc.action == BFA_IOCFC_ACT_DISABLE); + bfa_cb_queue(bfa, &bfa->iocfc.dis_hcb_qe, bfa_iocfc_disable_cb, + bfa); + } +} + +/** + * Notify sub-modules of hardware failure. + */ +static void +bfa_iocfc_hbfail_cbfn(void *bfa_arg) +{ + struct bfa_s *bfa = bfa_arg; + + bfa->rme_process = BFA_FALSE; + + bfa_isr_disable(bfa); + bfa_iocfc_disable_submod(bfa); + + if (bfa->iocfc.action == BFA_IOCFC_ACT_INIT) + bfa_cb_queue(bfa, &bfa->iocfc.init_hcb_qe, bfa_iocfc_init_cb, + bfa); +} + +/** + * Actions on chip-reset completion. + */ +static void +bfa_iocfc_reset_cbfn(void *bfa_arg) +{ + struct bfa_s *bfa = bfa_arg; + + bfa_iocfc_reset_queues(bfa); + bfa_isr_enable(bfa); +} + +/** + * hal_ioc_public + */ + +/** + * Query IOC memory requirement information. + */ +void +bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, + u32 *dm_len) +{ + /* dma memory for IOC */ + *dm_len += bfa_ioc_meminfo(); + + bfa_iocfc_fw_cfg_sz(cfg, dm_len); + bfa_iocfc_cqs_sz(cfg, dm_len); + *km_len += bfa_ioc_debug_trcsz(bfa_auto_recover); +} + +/** + * Query IOC memory requirement information. + */ +void +bfa_iocfc_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, + struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) +{ + int i; + struct bfa_ioc_s *ioc = &bfa->ioc; + + bfa_iocfc_cbfn.enable_cbfn = bfa_iocfc_enable_cbfn; + bfa_iocfc_cbfn.disable_cbfn = bfa_iocfc_disable_cbfn; + bfa_iocfc_cbfn.hbfail_cbfn = bfa_iocfc_hbfail_cbfn; + bfa_iocfc_cbfn.reset_cbfn = bfa_iocfc_reset_cbfn; + + ioc->trcmod = bfa->trcmod; + bfa_ioc_attach(&bfa->ioc, bfa, &bfa_iocfc_cbfn, &bfa->timer_mod); + + /** + * Set FC mode for BFA_PCI_DEVICE_ID_CT_FC. + */ + if (pcidev->device_id == BFA_PCI_DEVICE_ID_CT_FC) + bfa_ioc_set_fcmode(&bfa->ioc); + + bfa_ioc_pci_init(&bfa->ioc, pcidev, BFI_MC_IOCFC); + bfa_ioc_mbox_register(&bfa->ioc, bfa_mbox_isrs); + + bfa_iocfc_init_mem(bfa, bfad, cfg, pcidev); + bfa_iocfc_mem_claim(bfa, cfg, meminfo); + bfa_timer_init(&bfa->timer_mod); + + INIT_LIST_HEAD(&bfa->comp_q); + for (i = 0; i < BFI_IOC_MAX_CQS; i++) + INIT_LIST_HEAD(&bfa->reqq_waitq[i]); +} + +/** + * Query IOC memory requirement information. + */ +void +bfa_iocfc_detach(struct bfa_s *bfa) +{ + bfa_ioc_detach(&bfa->ioc); +} + +/** + * Query IOC memory requirement information. + */ +void +bfa_iocfc_init(struct bfa_s *bfa) +{ + bfa->iocfc.action = BFA_IOCFC_ACT_INIT; + bfa_ioc_enable(&bfa->ioc); +} + +/** + * IOC start called from bfa_start(). Called to start IOC operations + * at driver instantiation for this instance. + */ +void +bfa_iocfc_start(struct bfa_s *bfa) +{ + if (bfa->iocfc.cfgdone) + bfa_iocfc_start_submod(bfa); +} + +/** + * IOC stop called from bfa_stop(). Called only when driver is unloaded + * for this instance. + */ +void +bfa_iocfc_stop(struct bfa_s *bfa) +{ + bfa->iocfc.action = BFA_IOCFC_ACT_STOP; + + bfa->rme_process = BFA_FALSE; + bfa_ioc_disable(&bfa->ioc); +} + +void +bfa_iocfc_isr(void *bfaarg, struct bfi_mbmsg_s *m) +{ + struct bfa_s *bfa = bfaarg; + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + union bfi_iocfc_i2h_msg_u *msg; + + msg = (union bfi_iocfc_i2h_msg_u *) m; + bfa_trc(bfa, msg->mh.msg_id); + + switch (msg->mh.msg_id) { + case BFI_IOCFC_I2H_CFG_REPLY: + iocfc->cfg_reply = &msg->cfg_reply; + bfa_iocfc_cfgrsp(bfa); + break; + case BFI_IOCFC_I2H_UPDATEQ_RSP: + iocfc->updateq_cbfn(iocfc->updateq_cbarg, BFA_STATUS_OK); + break; + default: + bfa_assert(0); + } +} + +void +bfa_adapter_get_attr(struct bfa_s *bfa, struct bfa_adapter_attr_s *ad_attr) +{ + bfa_ioc_get_adapter_attr(&bfa->ioc, ad_attr); +} + +u64 +bfa_adapter_get_id(struct bfa_s *bfa) +{ + return bfa_ioc_get_adid(&bfa->ioc); +} + +void +bfa_iocfc_get_attr(struct bfa_s *bfa, struct bfa_iocfc_attr_s *attr) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + + attr->intr_attr.coalesce = iocfc->cfginfo->intr_attr.coalesce; + + attr->intr_attr.delay = iocfc->cfginfo->intr_attr.delay ? + bfa_os_ntohs(iocfc->cfginfo->intr_attr.delay) : + bfa_os_ntohs(iocfc->cfgrsp->intr_attr.delay); + + attr->intr_attr.latency = iocfc->cfginfo->intr_attr.latency ? + bfa_os_ntohs(iocfc->cfginfo->intr_attr.latency) : + bfa_os_ntohs(iocfc->cfgrsp->intr_attr.latency); + + attr->config = iocfc->cfg; +} + +bfa_status_t +bfa_iocfc_israttr_set(struct bfa_s *bfa, struct bfa_iocfc_intr_attr_s *attr) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + struct bfi_iocfc_set_intr_req_s *m; + + iocfc->cfginfo->intr_attr.coalesce = attr->coalesce; + iocfc->cfginfo->intr_attr.delay = bfa_os_htons(attr->delay); + iocfc->cfginfo->intr_attr.latency = bfa_os_htons(attr->latency); + + if (!bfa_iocfc_is_operational(bfa)) + return BFA_STATUS_OK; + + m = bfa_reqq_next(bfa, BFA_REQQ_IOC); + if (!m) + return BFA_STATUS_DEVBUSY; + + bfi_h2i_set(m->mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_SET_INTR_REQ, + bfa_lpuid(bfa)); + m->coalesce = iocfc->cfginfo->intr_attr.coalesce; + m->delay = iocfc->cfginfo->intr_attr.delay; + m->latency = iocfc->cfginfo->intr_attr.latency; + + bfa_trc(bfa, attr->delay); + bfa_trc(bfa, attr->latency); + + bfa_reqq_produce(bfa, BFA_REQQ_IOC); + return BFA_STATUS_OK; +} + +void +bfa_iocfc_set_snsbase(struct bfa_s *bfa, u64 snsbase_pa) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + + iocfc->cfginfo->sense_buf_len = (BFI_IOIM_SNSLEN - 1); + bfa_dma_be_addr_set(iocfc->cfginfo->ioim_snsbase, snsbase_pa); +} +/** + * Enable IOC after it is disabled. + */ +void +bfa_iocfc_enable(struct bfa_s *bfa) +{ + bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0, + "IOC Enable"); + bfa_ioc_enable(&bfa->ioc); +} + +void +bfa_iocfc_disable(struct bfa_s *bfa) +{ + bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0, + "IOC Disable"); + bfa->iocfc.action = BFA_IOCFC_ACT_DISABLE; + + bfa->rme_process = BFA_FALSE; + bfa_ioc_disable(&bfa->ioc); +} + + +bfa_boolean_t +bfa_iocfc_is_operational(struct bfa_s *bfa) +{ + return bfa_ioc_is_operational(&bfa->ioc) && bfa->iocfc.cfgdone; +} + +/** + * Return boot target port wwns -- read from boot information in flash. + */ +void +bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t *wwns) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp; + int i; + + if (cfgrsp->pbc_cfg.boot_enabled && cfgrsp->pbc_cfg.nbluns) { + bfa_trc(bfa, cfgrsp->pbc_cfg.nbluns); + *nwwns = cfgrsp->pbc_cfg.nbluns; + for (i = 0; i < cfgrsp->pbc_cfg.nbluns; i++) + wwns[i] = cfgrsp->pbc_cfg.blun[i].tgt_pwwn; + + return; + } + + *nwwns = cfgrsp->bootwwns.nwwns; + memcpy(wwns, cfgrsp->bootwwns.wwn, sizeof(cfgrsp->bootwwns.wwn)); +} + +void +bfa_iocfc_get_pbc_boot_cfg(struct bfa_s *bfa, struct bfa_boot_pbc_s *pbcfg) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp; + + pbcfg->enable = cfgrsp->pbc_cfg.boot_enabled; + pbcfg->nbluns = cfgrsp->pbc_cfg.nbluns; + pbcfg->speed = cfgrsp->pbc_cfg.port_speed; + memcpy(pbcfg->pblun, cfgrsp->pbc_cfg.blun, sizeof(pbcfg->pblun)); +} + +int +bfa_iocfc_get_pbc_vports(struct bfa_s *bfa, struct bfi_pbc_vport_s *pbc_vport) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp; + + memcpy(pbc_vport, cfgrsp->pbc_cfg.vport, sizeof(cfgrsp->pbc_cfg.vport)); + return cfgrsp->pbc_cfg.nvports; +} + +/** + * hal_api + */ /** * Use this function query the memory requirement of the BFA library. @@ -45,16 +1010,16 @@ * This call will fail, if the cap is out of range compared to pre-defined * values within the BFA library * - * @param[in] cfg - pointer to bfa_ioc_cfg_t. Driver layer should indicate - * its configuration in this structure. + * @param[in] cfg - pointer to bfa_ioc_cfg_t. Driver layer should indicate + * its configuration in this structure. * The default values for struct bfa_iocfc_cfg_s can be * fetched using bfa_cfg_get_default() API. * - * If cap's boundary check fails, the library will use + * If cap's boundary check fails, the library will use * the default bfa_cap_t values (and log a warning msg). * * @param[out] meminfo - pointer to bfa_meminfo_t. This content - * indicates the memory type (see bfa_mem_type_t) and + * indicates the memory type (see bfa_mem_type_t) and * amount of memory required. * * Driver should allocate the memory, populate the @@ -68,8 +1033,8 @@ void bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo) { - int i; - u32 km_len = 0, dm_len = 0; + int i; + u32 km_len = 0, dm_len = 0; bfa_assert((cfg != NULL) && (meminfo != NULL)); @@ -90,26 +1055,6 @@ bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo) meminfo->meminfo[BFA_MEM_TYPE_DMA - 1].mem_len = dm_len; } -static void -bfa_com_port_attach(struct bfa_s *bfa, struct bfa_meminfo_s *mi) -{ - struct bfa_port_s *port = &bfa->modules.port; - uint32_t dm_len; - uint8_t *dm_kva; - uint64_t dm_pa; - - dm_len = bfa_port_meminfo(); - dm_kva = bfa_meminfo_dma_virt(mi); - dm_pa = bfa_meminfo_dma_phys(mi); - - memset(port, 0, sizeof(struct bfa_port_s)); - bfa_port_attach(port, &bfa->ioc, bfa, bfa->trcmod, bfa->logm); - bfa_port_mem_claim(port, dm_kva, dm_pa); - - bfa_meminfo_dma_virt(mi) = dm_kva + dm_len; - bfa_meminfo_dma_phys(mi) = dm_pa + dm_len; -} - /** * Use this function to do attach the driver instance with the BFA * library. This function will not trigger any HW initialization @@ -119,14 +1064,14 @@ bfa_com_port_attach(struct bfa_s *bfa, struct bfa_meminfo_s *mi) * pre-defined values within the BFA library * * @param[out] bfa Pointer to bfa_t. - * @param[in] bfad Opaque handle back to the driver's IOC structure + * @param[in] bfad Opaque handle back to the driver's IOC structure * @param[in] cfg Pointer to bfa_ioc_cfg_t. Should be same structure - * that was used in bfa_cfg_get_meminfo(). - * @param[in] meminfo Pointer to bfa_meminfo_t. The driver should - * use the bfa_cfg_get_meminfo() call to - * find the memory blocks required, allocate the - * required memory and provide the starting addresses. - * @param[in] pcidev pointer to struct bfa_pcidev_s + * that was used in bfa_cfg_get_meminfo(). + * @param[in] meminfo Pointer to bfa_meminfo_t. The driver should + * use the bfa_cfg_get_meminfo() call to + * find the memory blocks required, allocate the + * required memory and provide the starting addresses. + * @param[in] pcidev pointer to struct bfa_pcidev_s * * @return * void @@ -140,8 +1085,8 @@ void bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) { - int i; - struct bfa_mem_elem_s *melem; + int i; + struct bfa_mem_elem_s *melem; bfa->fcs = BFA_FALSE; @@ -195,20 +1140,6 @@ bfa_init_trc(struct bfa_s *bfa, struct bfa_trc_mod_s *trcmod) bfa->trcmod = trcmod; } - -void -bfa_init_log(struct bfa_s *bfa, struct bfa_log_mod_s *logmod) -{ - bfa->logm = logmod; -} - - -void -bfa_init_aen(struct bfa_s *bfa, struct bfa_aen_s *aen) -{ - bfa->aen = aen; -} - void bfa_init_plog(struct bfa_s *bfa, struct bfa_plog_s *plog) { @@ -254,14 +1185,14 @@ bfa_start(struct bfa_s *bfa) /** * Use this function quiese the IOC. This function will return immediately, - * when the IOC is actually stopped, the bfa_cb_stop() will be called. + * when the IOC is actually stopped, the bfad->comp will be set. * - * @param[in] bfa - pointer to bfa_t. + * @param[in]bfa - pointer to bfa_t. * * @return None * * Special Considerations: - * bfa_cb_stop() could be called before or after bfa_stop() returns. + * bfad->comp can be set before or after bfa_stop() returns. * * @note * In case of any failure, we could handle it automatically by doing a @@ -283,9 +1214,9 @@ bfa_comp_deq(struct bfa_s *bfa, struct list_head *comp_q) void bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q) { - struct list_head *qe; - struct list_head *qen; - struct bfa_cb_qe_s *hcb_qe; + struct list_head *qe; + struct list_head *qen; + struct bfa_cb_qe_s *hcb_qe; list_for_each_safe(qe, qen, comp_q) { hcb_qe = (struct bfa_cb_qe_s *) qe; @@ -296,8 +1227,8 @@ bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q) void bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q) { - struct list_head *qe; - struct bfa_cb_qe_s *hcb_qe; + struct list_head *qe; + struct bfa_cb_qe_s *hcb_qe; while (!list_empty(comp_q)) { bfa_q_deq(comp_q, &qe); @@ -321,7 +1252,6 @@ bfa_timer_tick(struct bfa_s *bfa) bfa_timer_beat(&bfa->timer_mod); } -#ifndef BFA_BIOS_BUILD /** * Return the list of PCI vendor/device id lists supported by this * BFA instance. @@ -336,7 +1266,7 @@ bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids) {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT_FC}, }; - *npciids = ARRAY_SIZE(__pciids); + *npciids = sizeof(__pciids) / sizeof(__pciids[0]); *pciids = __pciids; } @@ -351,7 +1281,7 @@ bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids) * void * * Special Considerations: - * note + * note */ void bfa_cfg_get_default(struct bfa_iocfc_cfg_s *cfg) @@ -389,7 +1319,7 @@ bfa_cfg_get_min(struct bfa_iocfc_cfg_s *cfg) cfg->drvcfg.num_sgpgs = BFA_SGPG_MIN; cfg->drvcfg.num_reqq_elems = BFA_REQQ_NELEMS_MIN; cfg->drvcfg.num_rspq_elems = BFA_RSPQ_NELEMS_MIN; - cfg->drvcfg.min_cfg = BFA_TRUE; + cfg->drvcfg.min_cfg = BFA_TRUE; } void @@ -417,7 +1347,7 @@ bfa_debug_fwsave_clear(struct bfa_s *bfa) } /** - * Fetch firmware trace data. + * Fetch firmware trace data. * * @param[in] bfa BFA instance * @param[out] trcdata Firmware trace buffer @@ -433,6 +1363,22 @@ bfa_debug_fwtrc(struct bfa_s *bfa, void *trcdata, int *trclen) } /** + * Dump firmware memory. + * + * @param[in] bfa BFA instance + * @param[out] buf buffer for dump + * @param[in,out] offset smem offset to start read + * @param[in,out] buflen length of buffer + * + * @retval BFA_STATUS_OK Firmware memory is dumped. + * @retval BFA_STATUS_INPROGRESS Firmware memory dump is in progress. + */ +bfa_status_t +bfa_debug_fwcore(struct bfa_s *bfa, void *buf, u32 *offset, int *buflen) +{ + return bfa_ioc_debug_fwcore(&bfa->ioc, buf, offset, buflen); +} +/** * Reset hw semaphore & usage cnt regs and initialize. */ void @@ -441,4 +1387,23 @@ bfa_chip_reset(struct bfa_s *bfa) bfa_ioc_ownership_reset(&bfa->ioc); bfa_ioc_pll_init(&bfa->ioc); } -#endif + +/** + * Fetch firmware statistics data. + * + * @param[in] bfa BFA instance + * @param[out] data Firmware stats buffer + * + * @retval BFA_STATUS_OK Firmware trace is fetched. + */ +bfa_status_t +bfa_fw_stats_get(struct bfa_s *bfa, void *data) +{ + return bfa_ioc_fw_stats_get(&bfa->ioc, data); +} + +bfa_status_t +bfa_fw_stats_clear(struct bfa_s *bfa) +{ + return bfa_ioc_fw_stats_clear(&bfa->ioc); +} diff --git a/drivers/scsi/bfa/bfa_cs.h b/drivers/scsi/bfa/bfa_cs.h new file mode 100644 index 000000000000..7260c74620f8 --- /dev/null +++ b/drivers/scsi/bfa/bfa_cs.h @@ -0,0 +1,364 @@ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_cs.h BFA common services + */ + +#ifndef __BFA_CS_H__ +#define __BFA_CS_H__ + +#include "bfa_os_inc.h" + +/** + * BFA TRC + */ + +#ifndef BFA_TRC_MAX +#define BFA_TRC_MAX (4 * 1024) +#endif + +#ifndef BFA_TRC_TS +#define BFA_TRC_TS(_trcm) ((_trcm)->ticks++) +#endif + +struct bfa_trc_s { +#ifdef __BIGENDIAN + u16 fileno; + u16 line; +#else + u16 line; + u16 fileno; +#endif + u32 timestamp; + union { + struct { + u32 rsvd; + u32 u32; + } u32; + u64 u64; + } data; +}; + +struct bfa_trc_mod_s { + u32 head; + u32 tail; + u32 ntrc; + u32 stopped; + u32 ticks; + u32 rsvd[3]; + struct bfa_trc_s trc[BFA_TRC_MAX]; +}; + +enum { + BFA_TRC_HAL = 1, /* BFA modules */ + BFA_TRC_FCS = 2, /* BFA FCS modules */ + BFA_TRC_LDRV = 3, /* Linux driver modules */ + BFA_TRC_CNA = 4, /* Common modules */ +}; +#define BFA_TRC_MOD_SH 10 +#define BFA_TRC_MOD(__mod) ((BFA_TRC_ ## __mod) << BFA_TRC_MOD_SH) + +/** + * Define a new tracing file (module). Module should match one defined above. + */ +#define BFA_TRC_FILE(__mod, __submod) \ + static int __trc_fileno = ((BFA_TRC_ ## __mod ## _ ## __submod) | \ + BFA_TRC_MOD(__mod)) + + +#define bfa_trc32(_trcp, _data) \ + __bfa_trc((_trcp)->trcmod, __trc_fileno, __LINE__, (u32)_data) +#define bfa_trc(_trcp, _data) \ + __bfa_trc((_trcp)->trcmod, __trc_fileno, __LINE__, (u64)_data) + +static inline void +bfa_trc_init(struct bfa_trc_mod_s *trcm) +{ + trcm->head = trcm->tail = trcm->stopped = 0; + trcm->ntrc = BFA_TRC_MAX; +} + +static inline void +bfa_trc_stop(struct bfa_trc_mod_s *trcm) +{ + trcm->stopped = 1; +} + +#ifdef FWTRC +extern void dc_flush(void *data); +#else +#define dc_flush(data) +#endif + + +static inline void +__bfa_trc(struct bfa_trc_mod_s *trcm, int fileno, int line, u64 data) +{ + int tail = trcm->tail; + struct bfa_trc_s *trc = &trcm->trc[tail]; + + if (trcm->stopped) + return; + + trc->fileno = (u16) fileno; + trc->line = (u16) line; + trc->data.u64 = data; + trc->timestamp = BFA_TRC_TS(trcm); + dc_flush(trc); + + trcm->tail = (trcm->tail + 1) & (BFA_TRC_MAX - 1); + if (trcm->tail == trcm->head) + trcm->head = (trcm->head + 1) & (BFA_TRC_MAX - 1); + dc_flush(trcm); +} + + +static inline void +__bfa_trc32(struct bfa_trc_mod_s *trcm, int fileno, int line, u32 data) +{ + int tail = trcm->tail; + struct bfa_trc_s *trc = &trcm->trc[tail]; + + if (trcm->stopped) + return; + + trc->fileno = (u16) fileno; + trc->line = (u16) line; + trc->data.u32.u32 = data; + trc->timestamp = BFA_TRC_TS(trcm); + dc_flush(trc); + + trcm->tail = (trcm->tail + 1) & (BFA_TRC_MAX - 1); + if (trcm->tail == trcm->head) + trcm->head = (trcm->head + 1) & (BFA_TRC_MAX - 1); + dc_flush(trcm); +} + +#ifndef BFA_PERF_BUILD +#define bfa_trc_fp(_trcp, _data) bfa_trc(_trcp, _data) +#else +#define bfa_trc_fp(_trcp, _data) +#endif + +/** + * @ BFA LOG interfaces + */ +#define bfa_assert(__cond) do { \ + if (!(__cond)) { \ + printk(KERN_ERR "assert(%s) failed at %s:%d\\n", \ + #__cond, __FILE__, __LINE__); \ + } \ +} while (0) + +#define bfa_sm_fault(__mod, __event) do { \ + bfa_trc(__mod, (((u32)0xDEAD << 16) | __event)); \ + printk(KERN_ERR "Assertion failure: %s:%d: %d", \ + __FILE__, __LINE__, (__event)); \ +} while (0) + +#ifndef BFA_PERF_BUILD +#define bfa_assert_fp(__cond) bfa_assert(__cond) +#else +#define bfa_assert_fp(__cond) +#endif + +/* BFA queue definitions */ +#define bfa_q_first(_q) ((void *)(((struct list_head *) (_q))->next)) +#define bfa_q_next(_qe) (((struct list_head *) (_qe))->next) +#define bfa_q_prev(_qe) (((struct list_head *) (_qe))->prev) + +/* + * bfa_q_qe_init - to initialize a queue element + */ +#define bfa_q_qe_init(_qe) { \ + bfa_q_next(_qe) = (struct list_head *) NULL; \ + bfa_q_prev(_qe) = (struct list_head *) NULL; \ +} + +/* + * bfa_q_deq - dequeue an element from head of the queue + */ +#define bfa_q_deq(_q, _qe) { \ + if (!list_empty(_q)) { \ + (*((struct list_head **) (_qe))) = bfa_q_next(_q); \ + bfa_q_prev(bfa_q_next(*((struct list_head **) _qe))) = \ + (struct list_head *) (_q); \ + bfa_q_next(_q) = bfa_q_next(*((struct list_head **) _qe));\ + BFA_Q_DBG_INIT(*((struct list_head **) _qe)); \ + } else { \ + *((struct list_head **) (_qe)) = (struct list_head *) NULL;\ + } \ +} + +/* + * bfa_q_deq_tail - dequeue an element from tail of the queue + */ +#define bfa_q_deq_tail(_q, _qe) { \ + if (!list_empty(_q)) { \ + *((struct list_head **) (_qe)) = bfa_q_prev(_q); \ + bfa_q_next(bfa_q_prev(*((struct list_head **) _qe))) = \ + (struct list_head *) (_q); \ + bfa_q_prev(_q) = bfa_q_prev(*(struct list_head **) _qe);\ + BFA_Q_DBG_INIT(*((struct list_head **) _qe)); \ + } else { \ + *((struct list_head **) (_qe)) = (struct list_head *) NULL;\ + } \ +} + +static inline int +bfa_q_is_on_q_func(struct list_head *q, struct list_head *qe) +{ + struct list_head *tqe; + + tqe = bfa_q_next(q); + while (tqe != q) { + if (tqe == qe) + return 1; + tqe = bfa_q_next(tqe); + if (tqe == NULL) + break; + } + return 0; +} + +/* + * #ifdef BFA_DEBUG (Using bfa_assert to check for debug_build is not + * consistent across modules) + */ +#ifndef BFA_PERF_BUILD +#define BFA_Q_DBG_INIT(_qe) bfa_q_qe_init(_qe) +#else +#define BFA_Q_DBG_INIT(_qe) +#endif + +#define bfa_q_is_on_q(_q, _qe) \ + bfa_q_is_on_q_func(_q, (struct list_head *)(_qe)) + +/** + * @ BFA state machine interfaces + */ + +typedef void (*bfa_sm_t)(void *sm, int event); + +/** + * oc - object class eg. bfa_ioc + * st - state, eg. reset + * otype - object type, eg. struct bfa_ioc_s + * etype - object type, eg. enum ioc_event + */ +#define bfa_sm_state_decl(oc, st, otype, etype) \ + static void oc ## _sm_ ## st(otype * fsm, etype event) + +#define bfa_sm_set_state(_sm, _state) ((_sm)->sm = (bfa_sm_t)(_state)) +#define bfa_sm_send_event(_sm, _event) ((_sm)->sm((_sm), (_event))) +#define bfa_sm_get_state(_sm) ((_sm)->sm) +#define bfa_sm_cmp_state(_sm, _state) ((_sm)->sm == (bfa_sm_t)(_state)) + +/** + * For converting from state machine function to state encoding. + */ +struct bfa_sm_table_s { + bfa_sm_t sm; /* state machine function */ + int state; /* state machine encoding */ + char *name; /* state name for display */ +}; +#define BFA_SM(_sm) ((bfa_sm_t)(_sm)) + +/** + * State machine with entry actions. + */ +typedef void (*bfa_fsm_t)(void *fsm, int event); + +/** + * oc - object class eg. bfa_ioc + * st - state, eg. reset + * otype - object type, eg. struct bfa_ioc_s + * etype - object type, eg. enum ioc_event + */ +#define bfa_fsm_state_decl(oc, st, otype, etype) \ + static void oc ## _sm_ ## st(otype * fsm, etype event); \ + static void oc ## _sm_ ## st ## _entry(otype * fsm) + +#define bfa_fsm_set_state(_fsm, _state) do { \ + (_fsm)->fsm = (bfa_fsm_t)(_state); \ + _state ## _entry(_fsm); \ +} while (0) + +#define bfa_fsm_send_event(_fsm, _event) ((_fsm)->fsm((_fsm), (_event))) +#define bfa_fsm_get_state(_fsm) ((_fsm)->fsm) +#define bfa_fsm_cmp_state(_fsm, _state) \ + ((_fsm)->fsm == (bfa_fsm_t)(_state)) + +static inline int +bfa_sm_to_state(struct bfa_sm_table_s *smt, bfa_sm_t sm) +{ + int i = 0; + + while (smt[i].sm && smt[i].sm != sm) + i++; + return smt[i].state; +} + +/** + * @ Generic wait counter. + */ + +typedef void (*bfa_wc_resume_t) (void *cbarg); + +struct bfa_wc_s { + bfa_wc_resume_t wc_resume; + void *wc_cbarg; + int wc_count; +}; + +static inline void +bfa_wc_up(struct bfa_wc_s *wc) +{ + wc->wc_count++; +} + +static inline void +bfa_wc_down(struct bfa_wc_s *wc) +{ + wc->wc_count--; + if (wc->wc_count == 0) + wc->wc_resume(wc->wc_cbarg); +} + +/** + * Initialize a waiting counter. + */ +static inline void +bfa_wc_init(struct bfa_wc_s *wc, bfa_wc_resume_t wc_resume, void *wc_cbarg) +{ + wc->wc_resume = wc_resume; + wc->wc_cbarg = wc_cbarg; + wc->wc_count = 0; + bfa_wc_up(wc); +} + +/** + * Wait for counter to reach zero + */ +static inline void +bfa_wc_wait(struct bfa_wc_s *wc) +{ + bfa_wc_down(wc); +} + +#endif /* __BFA_CS_H__ */ diff --git a/drivers/scsi/bfa/bfa_csdebug.c b/drivers/scsi/bfa/bfa_csdebug.c deleted file mode 100644 index caeb1143a4e6..000000000000 --- a/drivers/scsi/bfa/bfa_csdebug.c +++ /dev/null @@ -1,58 +0,0 @@ -/* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - * - * Linux driver for Brocade Fibre Channel Host Bus Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ - -#include <cs/bfa_debug.h> -#include <bfa_os_inc.h> -#include <cs/bfa_q.h> -#include <log/bfa_log_hal.h> - -/** - * cs_debug_api - */ - - -void -bfa_panic(int line, char *file, char *panicstr) -{ - bfa_log(NULL, BFA_LOG_HAL_ASSERT, file, line, panicstr); - bfa_os_panic(); -} - -void -bfa_sm_panic(struct bfa_log_mod_s *logm, int line, char *file, int event) -{ - bfa_log(logm, BFA_LOG_HAL_SM_ASSERT, file, line, event); - bfa_os_panic(); -} - -int -bfa_q_is_on_q_func(struct list_head *q, struct list_head *qe) -{ - struct list_head *tqe; - - tqe = bfa_q_next(q); - while (tqe != q) { - if (tqe == qe) - return 1; - tqe = bfa_q_next(tqe); - if (tqe == NULL) - break; - } - return 0; -} - - diff --git a/drivers/scsi/bfa/bfa_defs.h b/drivers/scsi/bfa/bfa_defs.h new file mode 100644 index 000000000000..d49877ff5140 --- /dev/null +++ b/drivers/scsi/bfa/bfa_defs.h @@ -0,0 +1,466 @@ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_H__ +#define __BFA_DEFS_H__ + +#include "bfa_fc.h" +#include "bfa_os_inc.h" + +#define BFA_MFG_SERIALNUM_SIZE 11 +#define STRSZ(_n) (((_n) + 4) & ~3) + +/** + * Manufacturing card type + */ +enum { + BFA_MFG_TYPE_CB_MAX = 825, /* Crossbow card type max */ + BFA_MFG_TYPE_FC8P2 = 825, /* 8G 2port FC card */ + BFA_MFG_TYPE_FC8P1 = 815, /* 8G 1port FC card */ + BFA_MFG_TYPE_FC4P2 = 425, /* 4G 2port FC card */ + BFA_MFG_TYPE_FC4P1 = 415, /* 4G 1port FC card */ + BFA_MFG_TYPE_CNA10P2 = 1020, /* 10G 2port CNA card */ + BFA_MFG_TYPE_CNA10P1 = 1010, /* 10G 1port CNA card */ + BFA_MFG_TYPE_JAYHAWK = 804, /* Jayhawk mezz card */ + BFA_MFG_TYPE_WANCHESE = 1007, /* Wanchese mezz card */ + BFA_MFG_TYPE_ASTRA = 807, /* Astra mezz card */ + BFA_MFG_TYPE_LIGHTNING_P0 = 902, /* Lightning mezz card - old */ + BFA_MFG_TYPE_LIGHTNING = 1741, /* Lightning mezz card */ + BFA_MFG_TYPE_INVALID = 0, /* Invalid card type */ +}; + +#pragma pack(1) + +/** + * Check if Mezz card + */ +#define bfa_mfg_is_mezz(type) (( \ + (type) == BFA_MFG_TYPE_JAYHAWK || \ + (type) == BFA_MFG_TYPE_WANCHESE || \ + (type) == BFA_MFG_TYPE_ASTRA || \ + (type) == BFA_MFG_TYPE_LIGHTNING_P0 || \ + (type) == BFA_MFG_TYPE_LIGHTNING)) + +/** + * Check if the card having old wwn/mac handling + */ +#define bfa_mfg_is_old_wwn_mac_model(type) (( \ + (type) == BFA_MFG_TYPE_FC8P2 || \ + (type) == BFA_MFG_TYPE_FC8P1 || \ + (type) == BFA_MFG_TYPE_FC4P2 || \ + (type) == BFA_MFG_TYPE_FC4P1 || \ + (type) == BFA_MFG_TYPE_CNA10P2 || \ + (type) == BFA_MFG_TYPE_CNA10P1 || \ + (type) == BFA_MFG_TYPE_JAYHAWK || \ + (type) == BFA_MFG_TYPE_WANCHESE)) + +#define bfa_mfg_increment_wwn_mac(m, i) \ +do { \ + u32 t = ((u32)(m)[0] << 16) | ((u32)(m)[1] << 8) | \ + (u32)(m)[2]; \ + t += (i); \ + (m)[0] = (t >> 16) & 0xFF; \ + (m)[1] = (t >> 8) & 0xFF; \ + (m)[2] = t & 0xFF; \ +} while (0) + +/** + * VPD data length + */ +#define BFA_MFG_VPD_LEN 512 + +/** + * VPD vendor tag + */ +enum { + BFA_MFG_VPD_UNKNOWN = 0, /* vendor unknown */ + BFA_MFG_VPD_IBM = 1, /* vendor IBM */ + BFA_MFG_VPD_HP = 2, /* vendor HP */ + BFA_MFG_VPD_DELL = 3, /* vendor DELL */ + BFA_MFG_VPD_PCI_IBM = 0x08, /* PCI VPD IBM */ + BFA_MFG_VPD_PCI_HP = 0x10, /* PCI VPD HP */ + BFA_MFG_VPD_PCI_DELL = 0x20, /* PCI VPD DELL */ + BFA_MFG_VPD_PCI_BRCD = 0xf8, /* PCI VPD Brocade */ +}; + +/** + * All numerical fields are in big-endian format. + */ +struct bfa_mfg_vpd_s { + u8 version; /* vpd data version */ + u8 vpd_sig[3]; /* characters 'V', 'P', 'D' */ + u8 chksum; /* u8 checksum */ + u8 vendor; /* vendor */ + u8 len; /* vpd data length excluding header */ + u8 rsv; + u8 data[BFA_MFG_VPD_LEN]; /* vpd data */ +}; + +#pragma pack() + +/** + * Status return values + */ +enum bfa_status { + BFA_STATUS_OK = 0, /* Success */ + BFA_STATUS_FAILED = 1, /* Operation failed */ + BFA_STATUS_EINVAL = 2, /* Invalid params Check input + * parameters */ + BFA_STATUS_ENOMEM = 3, /* Out of resources */ + BFA_STATUS_ETIMER = 5, /* Timer expired - Retry, if persists, + * contact support */ + BFA_STATUS_EPROTOCOL = 6, /* Protocol error */ + BFA_STATUS_DEVBUSY = 13, /* Device busy - Retry operation */ + BFA_STATUS_UNKNOWN_LWWN = 18, /* LPORT PWWN not found */ + BFA_STATUS_UNKNOWN_RWWN = 19, /* RPORT PWWN not found */ + BFA_STATUS_VPORT_EXISTS = 21, /* VPORT already exists */ + BFA_STATUS_VPORT_MAX = 22, /* Reached max VPORT supported limit */ + BFA_STATUS_UNSUPP_SPEED = 23, /* Invalid Speed Check speed setting */ + BFA_STATUS_INVLD_DFSZ = 24, /* Invalid Max data field size */ + BFA_STATUS_FABRIC_RJT = 29, /* Reject from attached fabric */ + BFA_STATUS_VPORT_WWN_BP = 46, /* WWN is same as base port's WWN */ + BFA_STATUS_NO_FCPIM_NEXUS = 52, /* No FCP Nexus exists with the rport */ + BFA_STATUS_IOC_FAILURE = 56, /* IOC failure - Retry, if persists + * contact support */ + BFA_STATUS_INVALID_WWN = 57, /* Invalid WWN */ + BFA_STATUS_DIAG_BUSY = 71, /* diag busy */ + BFA_STATUS_ENOFSAVE = 78, /* No saved firmware trace */ + BFA_STATUS_IOC_DISABLED = 82, /* IOC is already disabled */ + BFA_STATUS_INVALID_MAC = 134, /* Invalid MAC address */ + BFA_STATUS_PBC = 154, /* Operation not allowed for pre-boot + * configuration */ + BFA_STATUS_TRUNK_ENABLED = 164, /* Trunk is already enabled on + * this adapter */ + BFA_STATUS_TRUNK_DISABLED = 165, /* Trunking is disabled on + * the adapter */ + BFA_STATUS_IOPROFILE_OFF = 175, /* IO profile OFF */ + BFA_STATUS_MAX_VAL /* Unknown error code */ +}; +#define bfa_status_t enum bfa_status + +enum bfa_eproto_status { + BFA_EPROTO_BAD_ACCEPT = 0, + BFA_EPROTO_UNKNOWN_RSP = 1 +}; +#define bfa_eproto_status_t enum bfa_eproto_status + +enum bfa_boolean { + BFA_FALSE = 0, + BFA_TRUE = 1 +}; +#define bfa_boolean_t enum bfa_boolean + +#define BFA_STRING_32 32 +#define BFA_VERSION_LEN 64 + +/** + * ---------------------- adapter definitions ------------ + */ + +/** + * BFA adapter level attributes. + */ +enum { + BFA_ADAPTER_SERIAL_NUM_LEN = STRSZ(BFA_MFG_SERIALNUM_SIZE), + /* + *!< adapter serial num length + */ + BFA_ADAPTER_MODEL_NAME_LEN = 16, /* model name length */ + BFA_ADAPTER_MODEL_DESCR_LEN = 128, /* model description length */ + BFA_ADAPTER_MFG_NAME_LEN = 8, /* manufacturer name length */ + BFA_ADAPTER_SYM_NAME_LEN = 64, /* adapter symbolic name length */ + BFA_ADAPTER_OS_TYPE_LEN = 64, /* adapter os type length */ +}; + +struct bfa_adapter_attr_s { + char manufacturer[BFA_ADAPTER_MFG_NAME_LEN]; + char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN]; + u32 card_type; + char model[BFA_ADAPTER_MODEL_NAME_LEN]; + char model_descr[BFA_ADAPTER_MODEL_DESCR_LEN]; + wwn_t pwwn; + char node_symname[FC_SYMNAME_MAX]; + char hw_ver[BFA_VERSION_LEN]; + char fw_ver[BFA_VERSION_LEN]; + char optrom_ver[BFA_VERSION_LEN]; + char os_type[BFA_ADAPTER_OS_TYPE_LEN]; + struct bfa_mfg_vpd_s vpd; + struct mac_s mac; + + u8 nports; + u8 max_speed; + u8 prototype; + char asic_rev; + + u8 pcie_gen; + u8 pcie_lanes_orig; + u8 pcie_lanes; + u8 cna_capable; + + u8 is_mezz; + u8 trunk_capable; +}; + +/** + * ---------------------- IOC definitions ------------ + */ + +enum { + BFA_IOC_DRIVER_LEN = 16, + BFA_IOC_CHIP_REV_LEN = 8, +}; + +/** + * Driver and firmware versions. + */ +struct bfa_ioc_driver_attr_s { + char driver[BFA_IOC_DRIVER_LEN]; /* driver name */ + char driver_ver[BFA_VERSION_LEN]; /* driver version */ + char fw_ver[BFA_VERSION_LEN]; /* firmware version */ + char bios_ver[BFA_VERSION_LEN]; /* bios version */ + char efi_ver[BFA_VERSION_LEN]; /* EFI version */ + char ob_ver[BFA_VERSION_LEN]; /* openboot version */ +}; + +/** + * IOC PCI device attributes + */ +struct bfa_ioc_pci_attr_s { + u16 vendor_id; /* PCI vendor ID */ + u16 device_id; /* PCI device ID */ + u16 ssid; /* subsystem ID */ + u16 ssvid; /* subsystem vendor ID */ + u32 pcifn; /* PCI device function */ + u32 rsvd; /* padding */ + char chip_rev[BFA_IOC_CHIP_REV_LEN]; /* chip revision */ +}; + +/** + * IOC states + */ +enum bfa_ioc_state { + BFA_IOC_UNINIT = 1, /* IOC is in uninit state */ + BFA_IOC_RESET = 2, /* IOC is in reset state */ + BFA_IOC_SEMWAIT = 3, /* Waiting for IOC h/w semaphore */ + BFA_IOC_HWINIT = 4, /* IOC h/w is being initialized */ + BFA_IOC_GETATTR = 5, /* IOC is being configured */ + BFA_IOC_OPERATIONAL = 6, /* IOC is operational */ + BFA_IOC_INITFAIL = 7, /* IOC hardware failure */ + BFA_IOC_FAIL = 8, /* IOC heart-beat failure */ + BFA_IOC_DISABLING = 9, /* IOC is being disabled */ + BFA_IOC_DISABLED = 10, /* IOC is disabled */ + BFA_IOC_FWMISMATCH = 11, /* IOC f/w different from drivers */ + BFA_IOC_ENABLING = 12, /* IOC is being enabled */ +}; + +/** + * IOC firmware stats + */ +struct bfa_fw_ioc_stats_s { + u32 enable_reqs; + u32 disable_reqs; + u32 get_attr_reqs; + u32 dbg_sync; + u32 dbg_dump; + u32 unknown_reqs; +}; + +/** + * IOC driver stats + */ +struct bfa_ioc_drv_stats_s { + u32 ioc_isrs; + u32 ioc_enables; + u32 ioc_disables; + u32 ioc_hbfails; + u32 ioc_boots; + u32 stats_tmos; + u32 hb_count; + u32 disable_reqs; + u32 enable_reqs; + u32 disable_replies; + u32 enable_replies; +}; + +/** + * IOC statistics + */ +struct bfa_ioc_stats_s { + struct bfa_ioc_drv_stats_s drv_stats; /* driver IOC stats */ + struct bfa_fw_ioc_stats_s fw_stats; /* firmware IOC stats */ +}; + +enum bfa_ioc_type_e { + BFA_IOC_TYPE_FC = 1, + BFA_IOC_TYPE_FCoE = 2, + BFA_IOC_TYPE_LL = 3, +}; + +/** + * IOC attributes returned in queries + */ +struct bfa_ioc_attr_s { + enum bfa_ioc_type_e ioc_type; + enum bfa_ioc_state state; /* IOC state */ + struct bfa_adapter_attr_s adapter_attr; /* HBA attributes */ + struct bfa_ioc_driver_attr_s driver_attr; /* driver attr */ + struct bfa_ioc_pci_attr_s pci_attr; + u8 port_id; /* port number */ + u8 rsvd[7]; /* 64bit align */ +}; + +/** + * ---------------------- mfg definitions ------------ + */ + +/** + * Checksum size + */ +#define BFA_MFG_CHKSUM_SIZE 16 + +#define BFA_MFG_PARTNUM_SIZE 14 +#define BFA_MFG_SUPPLIER_ID_SIZE 10 +#define BFA_MFG_SUPPLIER_PARTNUM_SIZE 20 +#define BFA_MFG_SUPPLIER_SERIALNUM_SIZE 20 +#define BFA_MFG_SUPPLIER_REVISION_SIZE 4 + +#pragma pack(1) + +/** + * All numerical fields are in big-endian format. + */ +struct bfa_mfg_block_s { + u8 version; /* manufacturing block version */ + u8 mfg_sig[3]; /* characters 'M', 'F', 'G' */ + u16 mfgsize; /* mfg block size */ + u16 u16_chksum; /* old u16 checksum */ + char brcd_serialnum[STRSZ(BFA_MFG_SERIALNUM_SIZE)]; + char brcd_partnum[STRSZ(BFA_MFG_PARTNUM_SIZE)]; + u8 mfg_day; /* manufacturing day */ + u8 mfg_month; /* manufacturing month */ + u16 mfg_year; /* manufacturing year */ + wwn_t mfg_wwn; /* wwn base for this adapter */ + u8 num_wwn; /* number of wwns assigned */ + u8 mfg_speeds; /* speeds allowed for this adapter */ + u8 rsv[2]; + char supplier_id[STRSZ(BFA_MFG_SUPPLIER_ID_SIZE)]; + char supplier_partnum[STRSZ(BFA_MFG_SUPPLIER_PARTNUM_SIZE)]; + char + supplier_serialnum[STRSZ(BFA_MFG_SUPPLIER_SERIALNUM_SIZE)]; + char + supplier_revision[STRSZ(BFA_MFG_SUPPLIER_REVISION_SIZE)]; + mac_t mfg_mac; /* mac address */ + u8 num_mac; /* number of mac addresses */ + u8 rsv2; + u32 mfg_type; /* card type */ + u8 rsv3[108]; + u8 md5_chksum[BFA_MFG_CHKSUM_SIZE]; /* md5 checksum */ +}; + +#pragma pack() + +/** + * ---------------------- pci definitions ------------ + */ + +/** + * PCI device and vendor ID information + */ +enum { + BFA_PCI_VENDOR_ID_BROCADE = 0x1657, + BFA_PCI_DEVICE_ID_FC_8G2P = 0x13, + BFA_PCI_DEVICE_ID_FC_8G1P = 0x17, + BFA_PCI_DEVICE_ID_CT = 0x14, + BFA_PCI_DEVICE_ID_CT_FC = 0x21, +}; + +#define bfa_asic_id_ct(devid) \ + ((devid) == BFA_PCI_DEVICE_ID_CT || \ + (devid) == BFA_PCI_DEVICE_ID_CT_FC) + +/** + * PCI sub-system device and vendor ID information + */ +enum { + BFA_PCI_FCOE_SSDEVICE_ID = 0x14, +}; + +/** + * Maximum number of device address ranges mapped through different BAR(s) + */ +#define BFA_PCI_ACCESS_RANGES 1 + +/* + * Port speed settings. Each specific speed is a bit field. Use multiple + * bits to specify speeds to be selected for auto-negotiation. + */ +enum bfa_port_speed { + BFA_PORT_SPEED_UNKNOWN = 0, + BFA_PORT_SPEED_1GBPS = 1, + BFA_PORT_SPEED_2GBPS = 2, + BFA_PORT_SPEED_4GBPS = 4, + BFA_PORT_SPEED_8GBPS = 8, + BFA_PORT_SPEED_10GBPS = 10, + BFA_PORT_SPEED_16GBPS = 16, + BFA_PORT_SPEED_AUTO = + (BFA_PORT_SPEED_1GBPS | BFA_PORT_SPEED_2GBPS | + BFA_PORT_SPEED_4GBPS | BFA_PORT_SPEED_8GBPS), +}; +#define bfa_port_speed_t enum bfa_port_speed + +enum { + BFA_BOOT_BOOTLUN_MAX = 4, /* maximum boot lun per IOC */ + BFA_PREBOOT_BOOTLUN_MAX = 8, /* maximum preboot lun per IOC */ +}; + +#define BOOT_CFG_REV1 1 +#define BOOT_CFG_VLAN 1 + +/** + * Boot options setting. Boot options setting determines from where + * to get the boot lun information + */ +enum bfa_boot_bootopt { + BFA_BOOT_AUTO_DISCOVER = 0, /* Boot from blun provided by fabric */ + BFA_BOOT_STORED_BLUN = 1, /* Boot from bluns stored in flash */ + BFA_BOOT_FIRST_LUN = 2, /* Boot from first discovered blun */ + BFA_BOOT_PBC = 3, /* Boot from pbc configured blun */ +}; + +#pragma pack(1) +/** + * Boot lun information. + */ +struct bfa_boot_bootlun_s { + wwn_t pwwn; /* port wwn of target */ + lun_t lun; /* 64-bit lun */ +}; +#pragma pack() + +/** + * BOOT boot configuraton + */ +struct bfa_boot_pbc_s { + u8 enable; /* enable/disable SAN boot */ + u8 speed; /* boot speed settings */ + u8 topology; /* boot topology setting */ + u8 rsvd1; + u32 nbluns; /* number of boot luns */ + struct bfa_boot_bootlun_s pblun[BFA_PREBOOT_BOOTLUN_MAX]; +}; + +#endif /* __BFA_DEFS_H__ */ diff --git a/drivers/scsi/bfa/bfa_defs_fcs.h b/drivers/scsi/bfa/bfa_defs_fcs.h new file mode 100644 index 000000000000..96905d301828 --- /dev/null +++ b/drivers/scsi/bfa/bfa_defs_fcs.h @@ -0,0 +1,457 @@ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_FCS_H__ +#define __BFA_DEFS_FCS_H__ + +#include "bfa_fc.h" +#include "bfa_defs_svc.h" + +/** + * VF states + */ +enum bfa_vf_state { + BFA_VF_UNINIT = 0, /* fabric is not yet initialized */ + BFA_VF_LINK_DOWN = 1, /* link is down */ + BFA_VF_FLOGI = 2, /* flogi is in progress */ + BFA_VF_AUTH = 3, /* authentication in progress */ + BFA_VF_NOFABRIC = 4, /* fabric is not present */ + BFA_VF_ONLINE = 5, /* login to fabric is complete */ + BFA_VF_EVFP = 6, /* EVFP is in progress */ + BFA_VF_ISOLATED = 7, /* port isolated due to vf_id mismatch */ +}; + +/** + * VF statistics + */ +struct bfa_vf_stats_s { + u32 flogi_sent; /* Num FLOGIs sent */ + u32 flogi_rsp_err; /* FLOGI response errors */ + u32 flogi_acc_err; /* FLOGI accept errors */ + u32 flogi_accepts; /* FLOGI accepts received */ + u32 flogi_rejects; /* FLOGI rejects received */ + u32 flogi_unknown_rsp; /* Unknown responses for FLOGI */ + u32 flogi_alloc_wait; /* Allocation waits prior to sending FLOGI */ + u32 flogi_rcvd; /* FLOGIs received */ + u32 flogi_rejected; /* Incoming FLOGIs rejected */ + u32 fabric_onlines; /* Internal fabric online notification sent + * to other modules */ + u32 fabric_offlines; /* Internal fabric offline notification sent + * to other modules */ + u32 resvd; /* padding for 64 bit alignment */ +}; + +/** + * VF attributes returned in queries + */ +struct bfa_vf_attr_s { + enum bfa_vf_state state; /* VF state */ + u32 rsvd; + wwn_t fabric_name; /* fabric name */ +}; + +#define BFA_FCS_MAX_LPORTS 256 +#define BFA_FCS_FABRIC_IPADDR_SZ 16 + +/** + * symbolic names for base port/virtual port + */ +#define BFA_SYMNAME_MAXLEN 128 /* 128 bytes */ +struct bfa_lport_symname_s { + char symname[BFA_SYMNAME_MAXLEN]; +}; + +/** +* Roles of FCS port: + * - FCP IM and FCP TM roles cannot be enabled together for a FCS port + * - Create multiple ports if both IM and TM functions required. + * - Atleast one role must be specified. + */ +enum bfa_lport_role { + BFA_LPORT_ROLE_FCP_IM = 0x01, /* FCP initiator role */ + BFA_LPORT_ROLE_FCP_MAX = BFA_LPORT_ROLE_FCP_IM, +}; + +/** + * FCS port configuration. + */ +struct bfa_lport_cfg_s { + wwn_t pwwn; /* port wwn */ + wwn_t nwwn; /* node wwn */ + struct bfa_lport_symname_s sym_name; /* vm port symbolic name */ + bfa_boolean_t preboot_vp; /* vport created from PBC */ + enum bfa_lport_role roles; /* FCS port roles */ + u8 tag[16]; /* opaque tag from application */ +}; + +/** + * FCS port states + */ +enum bfa_lport_state { + BFA_LPORT_UNINIT = 0, /* PORT is not yet initialized */ + BFA_LPORT_FDISC = 1, /* FDISC is in progress */ + BFA_LPORT_ONLINE = 2, /* login to fabric is complete */ + BFA_LPORT_OFFLINE = 3, /* No login to fabric */ +}; + +/** + * FCS port type. + */ +enum bfa_lport_type { + BFA_LPORT_TYPE_PHYSICAL = 0, + BFA_LPORT_TYPE_VIRTUAL, +}; + +/** + * FCS port offline reason. + */ +enum bfa_lport_offline_reason { + BFA_LPORT_OFFLINE_UNKNOWN = 0, + BFA_LPORT_OFFLINE_LINKDOWN, + BFA_LPORT_OFFLINE_FAB_UNSUPPORTED, /* NPIV not supported by the + * fabric */ + BFA_LPORT_OFFLINE_FAB_NORESOURCES, + BFA_LPORT_OFFLINE_FAB_LOGOUT, +}; + +/** + * FCS lport info. + */ +struct bfa_lport_info_s { + u8 port_type; /* bfa_lport_type_t : physical or + * virtual */ + u8 port_state; /* one of bfa_lport_state values */ + u8 offline_reason; /* one of bfa_lport_offline_reason_t + * values */ + wwn_t port_wwn; + wwn_t node_wwn; + + /* + * following 4 feilds are valid for Physical Ports only + */ + u32 max_vports_supp; /* Max supported vports */ + u32 num_vports_inuse; /* Num of in use vports */ + u32 max_rports_supp; /* Max supported rports */ + u32 num_rports_inuse; /* Num of doscovered rports */ + +}; + +/** + * FCS port statistics + */ +struct bfa_lport_stats_s { + u32 ns_plogi_sent; + u32 ns_plogi_rsp_err; + u32 ns_plogi_acc_err; + u32 ns_plogi_accepts; + u32 ns_rejects; /* NS command rejects */ + u32 ns_plogi_unknown_rsp; + u32 ns_plogi_alloc_wait; + + u32 ns_retries; /* NS command retries */ + u32 ns_timeouts; /* NS command timeouts */ + + u32 ns_rspnid_sent; + u32 ns_rspnid_accepts; + u32 ns_rspnid_rsp_err; + u32 ns_rspnid_rejects; + u32 ns_rspnid_alloc_wait; + + u32 ns_rftid_sent; + u32 ns_rftid_accepts; + u32 ns_rftid_rsp_err; + u32 ns_rftid_rejects; + u32 ns_rftid_alloc_wait; + + u32 ns_rffid_sent; + u32 ns_rffid_accepts; + u32 ns_rffid_rsp_err; + u32 ns_rffid_rejects; + u32 ns_rffid_alloc_wait; + + u32 ns_gidft_sent; + u32 ns_gidft_accepts; + u32 ns_gidft_rsp_err; + u32 ns_gidft_rejects; + u32 ns_gidft_unknown_rsp; + u32 ns_gidft_alloc_wait; + + /* + * Mgmt Server stats + */ + u32 ms_retries; /* MS command retries */ + u32 ms_timeouts; /* MS command timeouts */ + u32 ms_plogi_sent; + u32 ms_plogi_rsp_err; + u32 ms_plogi_acc_err; + u32 ms_plogi_accepts; + u32 ms_rejects; /* MS command rejects */ + u32 ms_plogi_unknown_rsp; + u32 ms_plogi_alloc_wait; + + u32 num_rscn; /* Num of RSCN received */ + u32 num_portid_rscn;/* Num portid format RSCN + * received */ + + u32 uf_recvs; /* Unsolicited recv frames */ + u32 uf_recv_drops; /* Dropped received frames */ + + u32 plogi_rcvd; /* Received plogi */ + u32 prli_rcvd; /* Received prli */ + u32 adisc_rcvd; /* Received adisc */ + u32 prlo_rcvd; /* Received prlo */ + u32 logo_rcvd; /* Received logo */ + u32 rpsc_rcvd; /* Received rpsc */ + u32 un_handled_els_rcvd; /* Received unhandled ELS */ + u32 rport_plogi_timeouts; /* Rport plogi retry timeout count */ + u32 rport_del_max_plogi_retry; /* Deleted rport + * (max retry of plogi) */ +}; + +/** + * BFA port attribute returned in queries + */ +struct bfa_lport_attr_s { + enum bfa_lport_state state; /* port state */ + u32 pid; /* port ID */ + struct bfa_lport_cfg_s port_cfg; /* port configuration */ + enum bfa_port_type port_type; /* current topology */ + u32 loopback; /* cable is externally looped back */ + wwn_t fabric_name; /* attached switch's nwwn */ + u8 fabric_ip_addr[BFA_FCS_FABRIC_IPADDR_SZ]; /* attached + * fabric's ip addr */ + mac_t fpma_mac; /* Lport's FPMA Mac address */ + u16 authfail; /* auth failed state */ +}; + + +/** + * VPORT states + */ +enum bfa_vport_state { + BFA_FCS_VPORT_UNINIT = 0, + BFA_FCS_VPORT_CREATED = 1, + BFA_FCS_VPORT_OFFLINE = 1, + BFA_FCS_VPORT_FDISC_SEND = 2, + BFA_FCS_VPORT_FDISC = 3, + BFA_FCS_VPORT_FDISC_RETRY = 4, + BFA_FCS_VPORT_ONLINE = 5, + BFA_FCS_VPORT_DELETING = 6, + BFA_FCS_VPORT_CLEANUP = 6, + BFA_FCS_VPORT_LOGO_SEND = 7, + BFA_FCS_VPORT_LOGO = 8, + BFA_FCS_VPORT_ERROR = 9, + BFA_FCS_VPORT_MAX_STATE, +}; + +/** + * vport statistics + */ +struct bfa_vport_stats_s { + struct bfa_lport_stats_s port_stats; /* base class (port) stats */ + /* + * TODO - remove + */ + + u32 fdisc_sent; /* num fdisc sent */ + u32 fdisc_accepts; /* fdisc accepts */ + u32 fdisc_retries; /* fdisc retries */ + u32 fdisc_timeouts; /* fdisc timeouts */ + u32 fdisc_rsp_err; /* fdisc response error */ + u32 fdisc_acc_bad; /* bad fdisc accepts */ + u32 fdisc_rejects; /* fdisc rejects */ + u32 fdisc_unknown_rsp; + /* + *!< fdisc rsp unknown error + */ + u32 fdisc_alloc_wait;/* fdisc req (fcxp)alloc wait */ + + u32 logo_alloc_wait;/* logo req (fcxp) alloc wait */ + u32 logo_sent; /* logo sent */ + u32 logo_accepts; /* logo accepts */ + u32 logo_rejects; /* logo rejects */ + u32 logo_rsp_err; /* logo rsp errors */ + u32 logo_unknown_rsp; + /* logo rsp unknown errors */ + + u32 fab_no_npiv; /* fabric does not support npiv */ + + u32 fab_offline; /* offline events from fab SM */ + u32 fab_online; /* online events from fab SM */ + u32 fab_cleanup; /* cleanup request from fab SM */ + u32 rsvd; +}; + +/** + * BFA vport attribute returned in queries + */ +struct bfa_vport_attr_s { + struct bfa_lport_attr_s port_attr; /* base class (port) attributes */ + enum bfa_vport_state vport_state; /* vport state */ + u32 rsvd; +}; + +/** + * FCS remote port states + */ +enum bfa_rport_state { + BFA_RPORT_UNINIT = 0, /* PORT is not yet initialized */ + BFA_RPORT_OFFLINE = 1, /* rport is offline */ + BFA_RPORT_PLOGI = 2, /* PLOGI to rport is in progress */ + BFA_RPORT_ONLINE = 3, /* login to rport is complete */ + BFA_RPORT_PLOGI_RETRY = 4, /* retrying login to rport */ + BFA_RPORT_NSQUERY = 5, /* nameserver query */ + BFA_RPORT_ADISC = 6, /* ADISC authentication */ + BFA_RPORT_LOGO = 7, /* logging out with rport */ + BFA_RPORT_LOGORCV = 8, /* handling LOGO from rport */ + BFA_RPORT_NSDISC = 9, /* re-discover rport */ +}; + +/** + * Rport Scsi Function : Initiator/Target. + */ +enum bfa_rport_function { + BFA_RPORT_INITIATOR = 0x01, /* SCSI Initiator */ + BFA_RPORT_TARGET = 0x02, /* SCSI Target */ +}; + +/** + * port/node symbolic names for rport + */ +#define BFA_RPORT_SYMNAME_MAXLEN 255 +struct bfa_rport_symname_s { + char symname[BFA_RPORT_SYMNAME_MAXLEN]; +}; + +/** + * FCS remote port statistics + */ +struct bfa_rport_stats_s { + u32 offlines; /* remote port offline count */ + u32 onlines; /* remote port online count */ + u32 rscns; /* RSCN affecting rport */ + u32 plogis; /* plogis sent */ + u32 plogi_accs; /* plogi accepts */ + u32 plogi_timeouts; /* plogi timeouts */ + u32 plogi_rejects; /* rcvd plogi rejects */ + u32 plogi_failed; /* local failure */ + u32 plogi_rcvd; /* plogis rcvd */ + u32 prli_rcvd; /* inbound PRLIs */ + u32 adisc_rcvd; /* ADISCs received */ + u32 adisc_rejects; /* recvd ADISC rejects */ + u32 adisc_sent; /* ADISC requests sent */ + u32 adisc_accs; /* ADISC accepted by rport */ + u32 adisc_failed; /* ADISC failed (no response) */ + u32 adisc_rejected; /* ADISC rejected by us */ + u32 logos; /* logos sent */ + u32 logo_accs; /* LOGO accepts from rport */ + u32 logo_failed; /* LOGO failures */ + u32 logo_rejected; /* LOGO rejects from rport */ + u32 logo_rcvd; /* LOGO from remote port */ + + u32 rpsc_rcvd; /* RPSC received */ + u32 rpsc_rejects; /* recvd RPSC rejects */ + u32 rpsc_sent; /* RPSC requests sent */ + u32 rpsc_accs; /* RPSC accepted by rport */ + u32 rpsc_failed; /* RPSC failed (no response) */ + u32 rpsc_rejected; /* RPSC rejected by us */ + + u32 rjt_insuff_res; /* LS RJT with insuff resources */ + struct bfa_rport_hal_stats_s hal_stats; /* BFA rport stats */ +}; + +/** + * FCS remote port attributes returned in queries + */ +struct bfa_rport_attr_s { + wwn_t nwwn; /* node wwn */ + wwn_t pwwn; /* port wwn */ + enum fc_cos cos_supported; /* supported class of services */ + u32 pid; /* port ID */ + u32 df_sz; /* Max payload size */ + enum bfa_rport_state state; /* Rport State machine state */ + enum fc_cos fc_cos; /* FC classes of services */ + bfa_boolean_t cisc; /* CISC capable device */ + struct bfa_rport_symname_s symname; /* Symbolic Name */ + enum bfa_rport_function scsi_function; /* Initiator/Target */ + struct bfa_rport_qos_attr_s qos_attr; /* qos attributes */ + enum bfa_port_speed curr_speed; /* operating speed got from + * RPSC ELS. UNKNOWN, if RPSC + * is not supported */ + bfa_boolean_t trl_enforced; /* TRL enforced ? TRUE/FALSE */ + enum bfa_port_speed assigned_speed; /* Speed assigned by the user. + * will be used if RPSC is not + * supported by the rport */ +}; + +struct bfa_rport_remote_link_stats_s { + u32 lfc; /* Link Failure Count */ + u32 lsyc; /* Loss of Synchronization Count */ + u32 lsic; /* Loss of Signal Count */ + u32 pspec; /* Primitive Sequence Protocol Error Count */ + u32 itwc; /* Invalid Transmission Word Count */ + u32 icc; /* Invalid CRC Count */ +}; + + +#define BFA_MAX_IO_INDEX 7 +#define BFA_NO_IO_INDEX 9 + +/** + * FCS itnim states + */ +enum bfa_itnim_state { + BFA_ITNIM_OFFLINE = 0, /* offline */ + BFA_ITNIM_PRLI_SEND = 1, /* prli send */ + BFA_ITNIM_PRLI_SENT = 2, /* prli sent */ + BFA_ITNIM_PRLI_RETRY = 3, /* prli retry */ + BFA_ITNIM_HCB_ONLINE = 4, /* online callback */ + BFA_ITNIM_ONLINE = 5, /* online */ + BFA_ITNIM_HCB_OFFLINE = 6, /* offline callback */ + BFA_ITNIM_INITIATIOR = 7, /* initiator */ +}; + +/** + * FCS remote port statistics + */ +struct bfa_itnim_stats_s { + u32 onlines; /* num rport online */ + u32 offlines; /* num rport offline */ + u32 prli_sent; /* num prli sent out */ + u32 fcxp_alloc_wait;/* num fcxp alloc waits */ + u32 prli_rsp_err; /* num prli rsp errors */ + u32 prli_rsp_acc; /* num prli rsp accepts */ + u32 initiator; /* rport is an initiator */ + u32 prli_rsp_parse_err; /* prli rsp parsing errors */ + u32 prli_rsp_rjt; /* num prli rsp rejects */ + u32 timeout; /* num timeouts detected */ + u32 sler; /* num sler notification from BFA */ + u32 rsvd; /* padding for 64 bit alignment */ +}; + +/** + * FCS itnim attributes returned in queries + */ +struct bfa_itnim_attr_s { + enum bfa_itnim_state state; /* FCS itnim state */ + u8 retry; /* data retransmision support */ + u8 task_retry_id; /* task retry ident support */ + u8 rec_support; /* REC supported */ + u8 conf_comp; /* confirmed completion supp */ +}; + +#endif /* __BFA_DEFS_FCS_H__ */ diff --git a/drivers/scsi/bfa/bfa_defs_svc.h b/drivers/scsi/bfa/bfa_defs_svc.h new file mode 100644 index 000000000000..56226fcf9470 --- /dev/null +++ b/drivers/scsi/bfa/bfa_defs_svc.h @@ -0,0 +1,1081 @@ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_DEFS_SVC_H__ +#define __BFA_DEFS_SVC_H__ + +#include "bfa_defs.h" +#include "bfa_fc.h" +#include "bfi.h" + +#define BFA_IOCFC_INTR_DELAY 1125 +#define BFA_IOCFC_INTR_LATENCY 225 +#define BFA_IOCFCOE_INTR_DELAY 25 +#define BFA_IOCFCOE_INTR_LATENCY 5 + +/** + * Interrupt coalescing configuration. + */ +#pragma pack(1) +struct bfa_iocfc_intr_attr_s { + u8 coalesce; /* enable/disable coalescing */ + u8 rsvd[3]; + u16 latency; /* latency in microseconds */ + u16 delay; /* delay in microseconds */ +}; + +/** + * IOC firmware configuraton + */ +struct bfa_iocfc_fwcfg_s { + u16 num_fabrics; /* number of fabrics */ + u16 num_lports; /* number of local lports */ + u16 num_rports; /* number of remote ports */ + u16 num_ioim_reqs; /* number of IO reqs */ + u16 num_tskim_reqs; /* task management requests */ + u16 num_iotm_reqs; /* number of TM IO reqs */ + u16 num_tsktm_reqs; /* TM task management requests*/ + u16 num_fcxp_reqs; /* unassisted FC exchanges */ + u16 num_uf_bufs; /* unsolicited recv buffers */ + u8 num_cqs; + u8 fw_tick_res; /* FW clock resolution in ms */ + u8 rsvd[4]; +}; +#pragma pack() + +struct bfa_iocfc_drvcfg_s { + u16 num_reqq_elems; /* number of req queue elements */ + u16 num_rspq_elems; /* number of rsp queue elements */ + u16 num_sgpgs; /* number of total SG pages */ + u16 num_sboot_tgts; /* number of SAN boot targets */ + u16 num_sboot_luns; /* number of SAN boot luns */ + u16 ioc_recover; /* IOC recovery mode */ + u16 min_cfg; /* minimum configuration */ + u16 path_tov; /* device path timeout */ + bfa_boolean_t delay_comp; /* delay completion of + failed inflight IOs */ + u32 rsvd; +}; + +/** + * IOC configuration + */ +struct bfa_iocfc_cfg_s { + struct bfa_iocfc_fwcfg_s fwcfg; /* firmware side config */ + struct bfa_iocfc_drvcfg_s drvcfg; /* driver side config */ +}; + +/** + * IOC firmware IO stats + */ +struct bfa_fw_io_stats_s { + u32 host_abort; /* IO aborted by host driver*/ + u32 host_cleanup; /* IO clean up by host driver */ + + u32 fw_io_timeout; /* IOs timedout */ + u32 fw_frm_parse; /* frame parsed by f/w */ + u32 fw_frm_data; /* fcp_data frame parsed by f/w */ + u32 fw_frm_rsp; /* fcp_rsp frame parsed by f/w */ + u32 fw_frm_xfer_rdy; /* xfer_rdy frame parsed by f/w */ + u32 fw_frm_bls_acc; /* BLS ACC frame parsed by f/w */ + u32 fw_frm_tgt_abort; /* target ABTS parsed by f/w */ + u32 fw_frm_unknown; /* unknown parsed by f/w */ + u32 fw_data_dma; /* f/w DMA'ed the data frame */ + u32 fw_frm_drop; /* f/w drop the frame */ + + u32 rec_timeout; /* FW rec timed out */ + u32 error_rec; /* FW sending rec on + * an error condition*/ + u32 wait_for_si; /* FW wait for SI */ + u32 rec_rsp_inval; /* REC rsp invalid */ + u32 seqr_io_abort; /* target does not know cmd so abort */ + u32 seqr_io_retry; /* SEQR failed so retry IO */ + + u32 itn_cisc_upd_rsp; /* ITN cisc updated on fcp_rsp */ + u32 itn_cisc_upd_data; /* ITN cisc updated on fcp_data */ + u32 itn_cisc_upd_xfer_rdy; /* ITN cisc updated on fcp_data */ + + u32 fcp_data_lost; /* fcp data lost */ + + u32 ro_set_in_xfer_rdy; /* Target set RO in Xfer_rdy frame */ + u32 xfer_rdy_ooo_err; /* Out of order Xfer_rdy received */ + u32 xfer_rdy_unknown_err; /* unknown error in xfer_rdy frame */ + + u32 io_abort_timeout; /* ABTS timedout */ + u32 sler_initiated; /* SLER initiated */ + + u32 unexp_fcp_rsp; /* fcp response in wrong state */ + + u32 fcp_rsp_under_run; /* fcp rsp IO underrun */ + u32 fcp_rsp_under_run_wr; /* fcp rsp IO underrun for write */ + u32 fcp_rsp_under_run_err; /* fcp rsp IO underrun error */ + u32 fcp_rsp_resid_inval; /* invalid residue */ + u32 fcp_rsp_over_run; /* fcp rsp IO overrun */ + u32 fcp_rsp_over_run_err; /* fcp rsp IO overrun error */ + u32 fcp_rsp_proto_err; /* protocol error in fcp rsp */ + u32 fcp_rsp_sense_err; /* error in sense info in fcp rsp */ + u32 fcp_conf_req; /* FCP conf requested */ + + u32 tgt_aborted_io; /* target initiated abort */ + + u32 ioh_edtov_timeout_event;/* IOH edtov timer popped */ + u32 ioh_fcp_rsp_excp_event; /* IOH FCP_RSP exception */ + u32 ioh_fcp_conf_event; /* IOH FCP_CONF */ + u32 ioh_mult_frm_rsp_event; /* IOH multi_frame FCP_RSP */ + u32 ioh_hit_class2_event; /* IOH hit class2 */ + u32 ioh_miss_other_event; /* IOH miss other */ + u32 ioh_seq_cnt_err_event; /* IOH seq cnt error */ + u32 ioh_len_err_event; /* IOH len error - fcp_dl != + * bytes xfered */ + u32 ioh_seq_len_err_event; /* IOH seq len error */ + u32 ioh_data_oor_event; /* Data out of range */ + u32 ioh_ro_ooo_event; /* Relative offset out of range */ + u32 ioh_cpu_owned_event; /* IOH hit -iost owned by f/w */ + u32 ioh_unexp_frame_event; /* unexpected frame recieved + * count */ + u32 ioh_err_int; /* IOH error int during data-phase + * for scsi write + */ +}; + +/** + * IOC port firmware stats + */ + +struct bfa_fw_port_fpg_stats_s { + u32 intr_evt; + u32 intr; + u32 intr_excess; + u32 intr_cause0; + u32 intr_other; + u32 intr_other_ign; + u32 sig_lost; + u32 sig_regained; + u32 sync_lost; + u32 sync_to; + u32 sync_regained; + u32 div2_overflow; + u32 div2_underflow; + u32 efifo_overflow; + u32 efifo_underflow; + u32 idle_rx; + u32 lrr_rx; + u32 lr_rx; + u32 ols_rx; + u32 nos_rx; + u32 lip_rx; + u32 arbf0_rx; + u32 arb_rx; + u32 mrk_rx; + u32 const_mrk_rx; + u32 prim_unknown; +}; + + +struct bfa_fw_port_lksm_stats_s { + u32 hwsm_success; /* hwsm state machine success */ + u32 hwsm_fails; /* hwsm fails */ + u32 hwsm_wdtov; /* hwsm timed out */ + u32 swsm_success; /* swsm success */ + u32 swsm_fails; /* swsm fails */ + u32 swsm_wdtov; /* swsm timed out */ + u32 busybufs; /* link init failed due to busybuf */ + u32 buf_waits; /* bufwait state entries */ + u32 link_fails; /* link failures */ + u32 psp_errors; /* primitive sequence protocol errors */ + u32 lr_unexp; /* No. of times LR rx-ed unexpectedly */ + u32 lrr_unexp; /* No. of times LRR rx-ed unexpectedly */ + u32 lr_tx; /* No. of times LR tx started */ + u32 lrr_tx; /* No. of times LRR tx started */ + u32 ols_tx; /* No. of times OLS tx started */ + u32 nos_tx; /* No. of times NOS tx started */ + u32 hwsm_lrr_rx; /* No. of times LRR rx-ed by HWSM */ + u32 hwsm_lr_rx; /* No. of times LR rx-ed by HWSM */ +}; + +struct bfa_fw_port_snsm_stats_s { + u32 hwsm_success; /* Successful hwsm terminations */ + u32 hwsm_fails; /* hwsm fail count */ + u32 hwsm_wdtov; /* hwsm timed out */ + u32 swsm_success; /* swsm success */ + u32 swsm_wdtov; /* swsm timed out */ + u32 error_resets; /* error resets initiated by upsm */ + u32 sync_lost; /* Sync loss count */ + u32 sig_lost; /* Signal loss count */ +}; + +struct bfa_fw_port_physm_stats_s { + u32 module_inserts; /* Module insert count */ + u32 module_xtracts; /* Module extracts count */ + u32 module_invalids; /* Invalid module inserted count */ + u32 module_read_ign; /* Module validation status ignored */ + u32 laser_faults; /* Laser fault count */ + u32 rsvd; +}; + +struct bfa_fw_fip_stats_s { + u32 vlan_req; /* vlan discovery requests */ + u32 vlan_notify; /* vlan notifications */ + u32 vlan_err; /* vlan response error */ + u32 vlan_timeouts; /* vlan disvoery timeouts */ + u32 vlan_invalids; /* invalid vlan in discovery advert. */ + u32 disc_req; /* Discovery solicit requests */ + u32 disc_rsp; /* Discovery solicit response */ + u32 disc_err; /* Discovery advt. parse errors */ + u32 disc_unsol; /* Discovery unsolicited */ + u32 disc_timeouts; /* Discovery timeouts */ + u32 disc_fcf_unavail; /* Discovery FCF Not Avail. */ + u32 linksvc_unsupp; /* Unsupported link service req */ + u32 linksvc_err; /* Parse error in link service req */ + u32 logo_req; /* FIP logos received */ + u32 clrvlink_req; /* Clear virtual link req */ + u32 op_unsupp; /* Unsupported FIP operation */ + u32 untagged; /* Untagged frames (ignored) */ + u32 invalid_version; /* Invalid FIP version */ +}; + +struct bfa_fw_lps_stats_s { + u32 mac_invalids; /* Invalid mac assigned */ + u32 rsvd; +}; + +struct bfa_fw_fcoe_stats_s { + u32 cee_linkups; /* CEE link up count */ + u32 cee_linkdns; /* CEE link down count */ + u32 fip_linkups; /* FIP link up count */ + u32 fip_linkdns; /* FIP link up count */ + u32 fip_fails; /* FIP fail count */ + u32 mac_invalids; /* Invalid mac assigned */ +}; + +/** + * IOC firmware FCoE port stats + */ +struct bfa_fw_fcoe_port_stats_s { + struct bfa_fw_fcoe_stats_s fcoe_stats; + struct bfa_fw_fip_stats_s fip_stats; +}; + +/** + * IOC firmware FC uport stats + */ +struct bfa_fw_fc_uport_stats_s { + struct bfa_fw_port_snsm_stats_s snsm_stats; + struct bfa_fw_port_lksm_stats_s lksm_stats; +}; + +/** + * IOC firmware FC port stats + */ +union bfa_fw_fc_port_stats_s { + struct bfa_fw_fc_uport_stats_s fc_stats; + struct bfa_fw_fcoe_port_stats_s fcoe_stats; +}; + +/** + * IOC firmware port stats + */ +struct bfa_fw_port_stats_s { + struct bfa_fw_port_fpg_stats_s fpg_stats; + struct bfa_fw_port_physm_stats_s physm_stats; + union bfa_fw_fc_port_stats_s fc_port; +}; + +/** + * fcxchg module statistics + */ +struct bfa_fw_fcxchg_stats_s { + u32 ua_tag_inv; + u32 ua_state_inv; +}; + +struct bfa_fw_lpsm_stats_s { + u32 cls_rx; + u32 cls_tx; +}; + +/** + * Trunk statistics + */ +struct bfa_fw_trunk_stats_s { + u32 emt_recvd; /* Trunk EMT received */ + u32 emt_accepted; /* Trunk EMT Accepted */ + u32 emt_rejected; /* Trunk EMT rejected */ + u32 etp_recvd; /* Trunk ETP received */ + u32 etp_accepted; /* Trunk ETP Accepted */ + u32 etp_rejected; /* Trunk ETP rejected */ + u32 lr_recvd; /* Trunk LR received */ + u32 rsvd; /* padding for 64 bit alignment */ +}; + +struct bfa_fw_advsm_stats_s { + u32 flogi_sent; /* Flogi sent */ + u32 flogi_acc_recvd; /* Flogi Acc received */ + u32 flogi_rjt_recvd; /* Flogi rejects received */ + u32 flogi_retries; /* Flogi retries */ + + u32 elp_recvd; /* ELP received */ + u32 elp_accepted; /* ELP Accepted */ + u32 elp_rejected; /* ELP rejected */ + u32 elp_dropped; /* ELP dropped */ +}; + +/** + * IOCFC firmware stats + */ +struct bfa_fw_iocfc_stats_s { + u32 cfg_reqs; /* cfg request */ + u32 updq_reqs; /* update queue request */ + u32 ic_reqs; /* interrupt coalesce reqs */ + u32 unknown_reqs; + u32 set_intr_reqs; /* set interrupt reqs */ +}; + +/** + * IOC attributes returned in queries + */ +struct bfa_iocfc_attr_s { + struct bfa_iocfc_cfg_s config; /* IOCFC config */ + struct bfa_iocfc_intr_attr_s intr_attr; /* interrupt attr */ +}; + +/** + * Eth_sndrcv mod stats + */ +struct bfa_fw_eth_sndrcv_stats_s { + u32 crc_err; + u32 rsvd; /* 64bit align */ +}; + +/** + * CT MAC mod stats + */ +struct bfa_fw_mac_mod_stats_s { + u32 mac_on; /* MAC got turned-on */ + u32 link_up; /* link-up */ + u32 signal_off; /* lost signal */ + u32 dfe_on; /* DFE on */ + u32 mac_reset; /* # of MAC reset to bring lnk up */ + u32 pcs_reset; /* # of PCS reset to bring lnk up */ + u32 loopback; /* MAC got into serdes loopback */ + u32 lb_mac_reset; + /* # of MAC reset to bring link up in loopback */ + u32 lb_pcs_reset; + /* # of PCS reset to bring link up in loopback */ + u32 rsvd; /* 64bit align */ +}; + +/** + * CT MOD stats + */ +struct bfa_fw_ct_mod_stats_s { + u32 rxa_rds_undrun; /* RxA RDS underrun */ + u32 rad_bpc_ovfl; /* RAD BPC overflow */ + u32 rad_rlb_bpc_ovfl; /* RAD RLB BPC overflow */ + u32 bpc_fcs_err; /* BPC FCS_ERR */ + u32 txa_tso_hdr; /* TxA TSO header too long */ + u32 rsvd; /* 64bit align */ +}; + +/** + * IOC firmware stats + */ +struct bfa_fw_stats_s { + struct bfa_fw_ioc_stats_s ioc_stats; + struct bfa_fw_iocfc_stats_s iocfc_stats; + struct bfa_fw_io_stats_s io_stats; + struct bfa_fw_port_stats_s port_stats; + struct bfa_fw_fcxchg_stats_s fcxchg_stats; + struct bfa_fw_lpsm_stats_s lpsm_stats; + struct bfa_fw_lps_stats_s lps_stats; + struct bfa_fw_trunk_stats_s trunk_stats; + struct bfa_fw_advsm_stats_s advsm_stats; + struct bfa_fw_mac_mod_stats_s macmod_stats; + struct bfa_fw_ct_mod_stats_s ctmod_stats; + struct bfa_fw_eth_sndrcv_stats_s ethsndrcv_stats; +}; + +#define BFA_IOCFC_PATHTOV_MAX 60 +#define BFA_IOCFC_QDEPTH_MAX 2000 + +/** + * QoS states + */ +enum bfa_qos_state { + BFA_QOS_ONLINE = 1, /* QoS is online */ + BFA_QOS_OFFLINE = 2, /* QoS is offline */ +}; + +/** + * QoS Priority levels. + */ +enum bfa_qos_priority { + BFA_QOS_UNKNOWN = 0, + BFA_QOS_HIGH = 1, /* QoS Priority Level High */ + BFA_QOS_MED = 2, /* QoS Priority Level Medium */ + BFA_QOS_LOW = 3, /* QoS Priority Level Low */ +}; + +/** + * QoS bandwidth allocation for each priority level + */ +enum bfa_qos_bw_alloc { + BFA_QOS_BW_HIGH = 60, /* bandwidth allocation for High */ + BFA_QOS_BW_MED = 30, /* bandwidth allocation for Medium */ + BFA_QOS_BW_LOW = 10, /* bandwidth allocation for Low */ +}; +#pragma pack(1) +/** + * QoS attribute returned in QoS Query + */ +struct bfa_qos_attr_s { + u8 state; /* QoS current state */ + u8 rsvd[3]; + u32 total_bb_cr; /* Total BB Credits */ +}; + +/** + * These fields should be displayed only from the CLI. + * There will be a separate BFAL API (get_qos_vc_attr ?) + * to retrieve this. + * + */ +#define BFA_QOS_MAX_VC 16 + +struct bfa_qos_vc_info_s { + u8 vc_credit; + u8 borrow_credit; + u8 priority; + u8 resvd; +}; + +struct bfa_qos_vc_attr_s { + u16 total_vc_count; /* Total VC Count */ + u16 shared_credit; + u32 elp_opmode_flags; + struct bfa_qos_vc_info_s vc_info[BFA_QOS_MAX_VC]; /* as many as + * total_vc_count */ +}; + +/** + * QoS statistics + */ +struct bfa_qos_stats_s { + u32 flogi_sent; /* QoS Flogi sent */ + u32 flogi_acc_recvd; /* QoS Flogi Acc received */ + u32 flogi_rjt_recvd; /* QoS Flogi rejects received */ + u32 flogi_retries; /* QoS Flogi retries */ + + u32 elp_recvd; /* QoS ELP received */ + u32 elp_accepted; /* QoS ELP Accepted */ + u32 elp_rejected; /* QoS ELP rejected */ + u32 elp_dropped; /* QoS ELP dropped */ + + u32 qos_rscn_recvd; /* QoS RSCN received */ + u32 rsvd; /* padding for 64 bit alignment */ +}; + +/** + * FCoE statistics + */ +struct bfa_fcoe_stats_s { + u64 secs_reset; /* Seconds since stats reset */ + u64 cee_linkups; /* CEE link up */ + u64 cee_linkdns; /* CEE link down */ + u64 fip_linkups; /* FIP link up */ + u64 fip_linkdns; /* FIP link down */ + u64 fip_fails; /* FIP failures */ + u64 mac_invalids; /* Invalid mac assignments */ + u64 vlan_req; /* Vlan requests */ + u64 vlan_notify; /* Vlan notifications */ + u64 vlan_err; /* Vlan notification errors */ + u64 vlan_timeouts; /* Vlan request timeouts */ + u64 vlan_invalids; /* Vlan invalids */ + u64 disc_req; /* Discovery requests */ + u64 disc_rsp; /* Discovery responses */ + u64 disc_err; /* Discovery error frames */ + u64 disc_unsol; /* Discovery unsolicited */ + u64 disc_timeouts; /* Discovery timeouts */ + u64 disc_fcf_unavail; /* Discovery FCF not avail */ + u64 linksvc_unsupp; /* FIP link service req unsupp. */ + u64 linksvc_err; /* FIP link service req errors */ + u64 logo_req; /* FIP logos received */ + u64 clrvlink_req; /* Clear virtual link requests */ + u64 op_unsupp; /* FIP operation unsupp. */ + u64 untagged; /* FIP untagged frames */ + u64 txf_ucast; /* Tx FCoE unicast frames */ + u64 txf_ucast_vlan; /* Tx FCoE unicast vlan frames */ + u64 txf_ucast_octets; /* Tx FCoE unicast octets */ + u64 txf_mcast; /* Tx FCoE multicast frames */ + u64 txf_mcast_vlan; /* Tx FCoE multicast vlan frames */ + u64 txf_mcast_octets; /* Tx FCoE multicast octets */ + u64 txf_bcast; /* Tx FCoE broadcast frames */ + u64 txf_bcast_vlan; /* Tx FCoE broadcast vlan frames */ + u64 txf_bcast_octets; /* Tx FCoE broadcast octets */ + u64 txf_timeout; /* Tx timeouts */ + u64 txf_parity_errors; /* Transmit parity err */ + u64 txf_fid_parity_errors; /* Transmit FID parity err */ + u64 rxf_ucast_octets; /* Rx FCoE unicast octets */ + u64 rxf_ucast; /* Rx FCoE unicast frames */ + u64 rxf_ucast_vlan; /* Rx FCoE unicast vlan frames */ + u64 rxf_mcast_octets; /* Rx FCoE multicast octets */ + u64 rxf_mcast; /* Rx FCoE multicast frames */ + u64 rxf_mcast_vlan; /* Rx FCoE multicast vlan frames */ + u64 rxf_bcast_octets; /* Rx FCoE broadcast octets */ + u64 rxf_bcast; /* Rx FCoE broadcast frames */ + u64 rxf_bcast_vlan; /* Rx FCoE broadcast vlan frames */ +}; + +/** + * QoS or FCoE stats (fcport stats excluding physical FC port stats) + */ +union bfa_fcport_stats_u { + struct bfa_qos_stats_s fcqos; + struct bfa_fcoe_stats_s fcoe; +}; +#pragma pack() + +struct bfa_fcpim_del_itn_stats_s { + u32 del_itn_iocomp_aborted; /* Aborted IO requests */ + u32 del_itn_iocomp_timedout; /* IO timeouts */ + u32 del_itn_iocom_sqer_needed; /* IO retry for SQ error recovery */ + u32 del_itn_iocom_res_free; /* Delayed freeing of IO resources */ + u32 del_itn_iocom_hostabrts; /* Host IO abort requests */ + u32 del_itn_total_ios; /* Total IO count */ + u32 del_io_iocdowns; /* IO cleaned-up due to IOC down */ + u32 del_tm_iocdowns; /* TM cleaned-up due to IOC down */ +}; + +struct bfa_itnim_iostats_s { + + u32 total_ios; /* Total IO Requests */ + u32 input_reqs; /* Data in-bound requests */ + u32 output_reqs; /* Data out-bound requests */ + u32 io_comps; /* Total IO Completions */ + u32 wr_throughput; /* Write data transfered in bytes */ + u32 rd_throughput; /* Read data transfered in bytes */ + + u32 iocomp_ok; /* Slowpath IO completions */ + u32 iocomp_underrun; /* IO underrun */ + u32 iocomp_overrun; /* IO overrun */ + u32 qwait; /* IO Request-Q wait */ + u32 qresumes; /* IO Request-Q wait done */ + u32 no_iotags; /* No free IO tag */ + u32 iocomp_timedout; /* IO timeouts */ + u32 iocom_nexus_abort; /* IO failure due to target offline */ + u32 iocom_proto_err; /* IO protocol errors */ + u32 iocom_dif_err; /* IO SBC-3 protection errors */ + + u32 iocom_sqer_needed; /* fcp-2 error recovery failed */ + u32 iocom_res_free; /* Delayed freeing of IO tag */ + + + u32 io_aborts; /* Host IO abort requests */ + u32 iocom_hostabrts; /* Host IO abort completions */ + u32 io_cleanups; /* IO clean-up requests */ + u32 path_tov_expired; /* IO path tov expired */ + u32 iocomp_aborted; /* IO abort completions */ + u32 io_iocdowns; /* IO cleaned-up due to IOC down */ + u32 iocom_utags; /* IO comp with unknown tags */ + + u32 io_tmaborts; /* Abort request due to TM command */ + u32 tm_io_comps; /* Abort completion due to TM command */ + + u32 creates; /* IT Nexus create requests */ + u32 fw_create; /* IT Nexus FW create requests */ + u32 create_comps; /* IT Nexus FW create completions */ + u32 onlines; /* IT Nexus onlines */ + u32 offlines; /* IT Nexus offlines */ + u32 fw_delete; /* IT Nexus FW delete requests */ + u32 delete_comps; /* IT Nexus FW delete completions */ + u32 deletes; /* IT Nexus delete requests */ + u32 sler_events; /* SLER events */ + u32 ioc_disabled; /* Num IOC disables */ + u32 cleanup_comps; /* IT Nexus cleanup completions */ + + u32 tm_cmnds; /* TM Requests */ + u32 tm_fw_rsps; /* TM Completions */ + u32 tm_success; /* TM initiated IO cleanup success */ + u32 tm_failures; /* TM initiated IO cleanup failure */ + u32 no_tskims; /* No free TM tag */ + u32 tm_qwait; /* TM Request-Q wait */ + u32 tm_qresumes; /* TM Request-Q wait done */ + + u32 tm_iocdowns; /* TM cleaned-up due to IOC down */ + u32 tm_cleanups; /* TM cleanup requests */ + u32 tm_cleanup_comps; /* TM cleanup completions */ +}; + +/* Modify char* port_stt[] in bfal_port.c if a new state was added */ +enum bfa_port_states { + BFA_PORT_ST_UNINIT = 1, + BFA_PORT_ST_ENABLING_QWAIT = 2, + BFA_PORT_ST_ENABLING = 3, + BFA_PORT_ST_LINKDOWN = 4, + BFA_PORT_ST_LINKUP = 5, + BFA_PORT_ST_DISABLING_QWAIT = 6, + BFA_PORT_ST_DISABLING = 7, + BFA_PORT_ST_DISABLED = 8, + BFA_PORT_ST_STOPPED = 9, + BFA_PORT_ST_IOCDOWN = 10, + BFA_PORT_ST_IOCDIS = 11, + BFA_PORT_ST_FWMISMATCH = 12, + BFA_PORT_ST_PREBOOT_DISABLED = 13, + BFA_PORT_ST_TOGGLING_QWAIT = 14, + BFA_PORT_ST_MAX_STATE, +}; + +/** + * Port operational type (in sync with SNIA port type). + */ +enum bfa_port_type { + BFA_PORT_TYPE_UNKNOWN = 1, /* port type is unknown */ + BFA_PORT_TYPE_NPORT = 5, /* P2P with switched fabric */ + BFA_PORT_TYPE_NLPORT = 6, /* public loop */ + BFA_PORT_TYPE_LPORT = 20, /* private loop */ + BFA_PORT_TYPE_P2P = 21, /* P2P with no switched fabric */ + BFA_PORT_TYPE_VPORT = 22, /* NPIV - virtual port */ +}; + +/** + * Port topology setting. A port's topology and fabric login status + * determine its operational type. + */ +enum bfa_port_topology { + BFA_PORT_TOPOLOGY_NONE = 0, /* No valid topology */ + BFA_PORT_TOPOLOGY_P2P = 1, /* P2P only */ + BFA_PORT_TOPOLOGY_LOOP = 2, /* LOOP topology */ + BFA_PORT_TOPOLOGY_AUTO = 3, /* auto topology selection */ +}; + +/** + * Physical port loopback types. + */ +enum bfa_port_opmode { + BFA_PORT_OPMODE_NORMAL = 0x00, /* normal non-loopback mode */ + BFA_PORT_OPMODE_LB_INT = 0x01, /* internal loop back */ + BFA_PORT_OPMODE_LB_SLW = 0x02, /* serial link wrapback (serdes) */ + BFA_PORT_OPMODE_LB_EXT = 0x04, /* external loop back (serdes) */ + BFA_PORT_OPMODE_LB_CBL = 0x08, /* cabled loop back */ + BFA_PORT_OPMODE_LB_NLINT = 0x20, /* NL_Port internal loopback */ +}; + +#define BFA_PORT_OPMODE_LB_HARD(_mode) \ + ((_mode == BFA_PORT_OPMODE_LB_INT) || \ + (_mode == BFA_PORT_OPMODE_LB_SLW) || \ + (_mode == BFA_PORT_OPMODE_LB_EXT)) + +/** + * Port link state + */ +enum bfa_port_linkstate { + BFA_PORT_LINKUP = 1, /* Physical port/Trunk link up */ + BFA_PORT_LINKDOWN = 2, /* Physical port/Trunk link down */ +}; + +/** + * Port link state reason code + */ +enum bfa_port_linkstate_rsn { + BFA_PORT_LINKSTATE_RSN_NONE = 0, + BFA_PORT_LINKSTATE_RSN_DISABLED = 1, + BFA_PORT_LINKSTATE_RSN_RX_NOS = 2, + BFA_PORT_LINKSTATE_RSN_RX_OLS = 3, + BFA_PORT_LINKSTATE_RSN_RX_LIP = 4, + BFA_PORT_LINKSTATE_RSN_RX_LIPF7 = 5, + BFA_PORT_LINKSTATE_RSN_SFP_REMOVED = 6, + BFA_PORT_LINKSTATE_RSN_PORT_FAULT = 7, + BFA_PORT_LINKSTATE_RSN_RX_LOS = 8, + BFA_PORT_LINKSTATE_RSN_LOCAL_FAULT = 9, + BFA_PORT_LINKSTATE_RSN_REMOTE_FAULT = 10, + BFA_PORT_LINKSTATE_RSN_TIMEOUT = 11, + + + + /* CEE related reason codes/errors */ + CEE_LLDP_INFO_AGED_OUT = 20, + CEE_LLDP_SHUTDOWN_TLV_RCVD = 21, + CEE_PEER_NOT_ADVERTISE_DCBX = 22, + CEE_PEER_NOT_ADVERTISE_PG = 23, + CEE_PEER_NOT_ADVERTISE_PFC = 24, + CEE_PEER_NOT_ADVERTISE_FCOE = 25, + CEE_PG_NOT_COMPATIBLE = 26, + CEE_PFC_NOT_COMPATIBLE = 27, + CEE_FCOE_NOT_COMPATIBLE = 28, + CEE_BAD_PG_RCVD = 29, + CEE_BAD_BW_RCVD = 30, + CEE_BAD_PFC_RCVD = 31, + CEE_BAD_APP_PRI_RCVD = 32, + CEE_FCOE_PRI_PFC_OFF = 33, + CEE_DUP_CONTROL_TLV_RCVD = 34, + CEE_DUP_FEAT_TLV_RCVD = 35, + CEE_APPLY_NEW_CFG = 36, /* reason, not error */ + CEE_PROTOCOL_INIT = 37, /* reason, not error */ + CEE_PHY_LINK_DOWN = 38, + CEE_LLS_FCOE_ABSENT = 39, + CEE_LLS_FCOE_DOWN = 40, + CEE_ISCSI_NOT_COMPATIBLE = 41, + CEE_ISCSI_PRI_PFC_OFF = 42, + CEE_ISCSI_PRI_OVERLAP_FCOE_PRI = 43 +}; +#pragma pack(1) +/** + * Physical port configuration + */ +struct bfa_port_cfg_s { + u8 topology; /* bfa_port_topology */ + u8 speed; /* enum bfa_port_speed */ + u8 trunked; /* trunked or not */ + u8 qos_enabled; /* qos enabled or not */ + u8 cfg_hardalpa; /* is hard alpa configured */ + u8 hardalpa; /* configured hard alpa */ + u16 maxfrsize; /* maximum frame size */ + u8 rx_bbcredit; /* receive buffer credits */ + u8 tx_bbcredit; /* transmit buffer credits */ + u8 ratelimit; /* ratelimit enabled or not */ + u8 trl_def_speed; /* ratelimit default speed */ + u16 path_tov; /* device path timeout */ + u16 q_depth; /* SCSI Queue depth */ +}; +#pragma pack() + +/** + * Port attribute values. + */ +struct bfa_port_attr_s { + /* + * Static fields + */ + wwn_t nwwn; /* node wwn */ + wwn_t pwwn; /* port wwn */ + wwn_t factorynwwn; /* factory node wwn */ + wwn_t factorypwwn; /* factory port wwn */ + enum fc_cos cos_supported; /* supported class of services */ + u32 rsvd; + struct fc_symname_s port_symname; /* port symbolic name */ + enum bfa_port_speed speed_supported; /* supported speeds */ + bfa_boolean_t pbind_enabled; + + /* + * Configured values + */ + struct bfa_port_cfg_s pport_cfg; /* pport cfg */ + + /* + * Dynamic field - info from BFA + */ + enum bfa_port_states port_state; /* current port state */ + enum bfa_port_speed speed; /* current speed */ + enum bfa_port_topology topology; /* current topology */ + bfa_boolean_t beacon; /* current beacon status */ + bfa_boolean_t link_e2e_beacon; /* link beacon is on */ + bfa_boolean_t plog_enabled; /* portlog is enabled */ + + /* + * Dynamic field - info from FCS + */ + u32 pid; /* port ID */ + enum bfa_port_type port_type; /* current topology */ + u32 loopback; /* external loopback */ + u32 authfail; /* auth fail state */ + bfa_boolean_t io_profile; /* get it from fcpim mod */ + u8 pad[4]; /* for 64-bit alignement */ + + /* FCoE specific */ + u16 fcoe_vlan; + u8 rsvd1[6]; +}; + +/** + * Port FCP mappings. + */ +struct bfa_port_fcpmap_s { + char osdevname[256]; + u32 bus; + u32 target; + u32 oslun; + u32 fcid; + wwn_t nwwn; + wwn_t pwwn; + u64 fcplun; + char luid[256]; +}; + +/** + * Port RNID info. + */ +struct bfa_port_rnid_s { + wwn_t wwn; + u32 unittype; + u32 portid; + u32 attached_nodes_num; + u16 ip_version; + u16 udp_port; + u8 ipaddr[16]; + u16 rsvd; + u16 topologydiscoveryflags; +}; + +#pragma pack(1) +struct bfa_fcport_fcf_s { + wwn_t name; /* FCF name */ + wwn_t fabric_name; /* Fabric Name */ + u8 fipenabled; /* FIP enabled or not */ + u8 fipfailed; /* FIP failed or not */ + u8 resv[2]; + u8 pri; /* FCF priority */ + u8 version; /* FIP version used */ + u8 available; /* Available for login */ + u8 fka_disabled; /* FKA is disabled */ + u8 maxsz_verified; /* FCoE max size verified */ + u8 fc_map[3]; /* FC map */ + u16 vlan; /* FCoE vlan tag/priority */ + u32 fka_adv_per; /* FIP ka advert. period */ + mac_t mac; /* FCF mac */ +}; + +/** + * Trunk states for BCU/BFAL + */ +enum bfa_trunk_state { + BFA_TRUNK_DISABLED = 0, /* Trunk is not configured */ + BFA_TRUNK_ONLINE = 1, /* Trunk is online */ + BFA_TRUNK_OFFLINE = 2, /* Trunk is offline */ +}; + +/** + * VC attributes for trunked link + */ +struct bfa_trunk_vc_attr_s { + u32 bb_credit; + u32 elp_opmode_flags; + u32 req_credit; + u16 vc_credits[8]; +}; + +/** + * Link state information + */ +struct bfa_port_link_s { + u8 linkstate; /* Link state bfa_port_linkstate */ + u8 linkstate_rsn; /* bfa_port_linkstate_rsn_t */ + u8 topology; /* P2P/LOOP bfa_port_topology */ + u8 speed; /* Link speed (1/2/4/8 G) */ + u32 linkstate_opt; /* Linkstate optional data (debug) */ + u8 trunked; /* Trunked or not (1 or 0) */ + u8 resvd[3]; + struct bfa_qos_attr_s qos_attr; /* QoS Attributes */ + union { + struct bfa_qos_vc_attr_s qos_vc_attr; /* VC info from ELP */ + struct bfa_trunk_vc_attr_s trunk_vc_attr; + struct bfa_fcport_fcf_s fcf; /* FCF information (for FCoE) */ + } vc_fcf; +}; +#pragma pack() + +enum bfa_trunk_link_fctl { + BFA_TRUNK_LINK_FCTL_NORMAL, + BFA_TRUNK_LINK_FCTL_VC, + BFA_TRUNK_LINK_FCTL_VC_QOS, +}; + +enum bfa_trunk_link_state { + BFA_TRUNK_LINK_STATE_UP = 1, /* link part of trunk */ + BFA_TRUNK_LINK_STATE_DN_LINKDN = 2, /* physical link down */ + BFA_TRUNK_LINK_STATE_DN_GRP_MIS = 3, /* trunk group different */ + BFA_TRUNK_LINK_STATE_DN_SPD_MIS = 4, /* speed mismatch */ + BFA_TRUNK_LINK_STATE_DN_MODE_MIS = 5, /* remote port not trunked */ +}; + +#define BFA_TRUNK_MAX_PORTS 2 +struct bfa_trunk_link_attr_s { + wwn_t trunk_wwn; + enum bfa_trunk_link_fctl fctl; + enum bfa_trunk_link_state link_state; + enum bfa_port_speed speed; + u32 deskew; +}; + +struct bfa_trunk_attr_s { + enum bfa_trunk_state state; + enum bfa_port_speed speed; + u32 port_id; + u32 rsvd; + struct bfa_trunk_link_attr_s link_attr[BFA_TRUNK_MAX_PORTS]; +}; + +struct bfa_rport_hal_stats_s { + u32 sm_un_cr; /* uninit: create events */ + u32 sm_un_unexp; /* uninit: exception events */ + u32 sm_cr_on; /* created: online events */ + u32 sm_cr_del; /* created: delete events */ + u32 sm_cr_hwf; /* created: IOC down */ + u32 sm_cr_unexp; /* created: exception events */ + u32 sm_fwc_rsp; /* fw create: f/w responses */ + u32 sm_fwc_del; /* fw create: delete events */ + u32 sm_fwc_off; /* fw create: offline events */ + u32 sm_fwc_hwf; /* fw create: IOC down */ + u32 sm_fwc_unexp; /* fw create: exception events*/ + u32 sm_on_off; /* online: offline events */ + u32 sm_on_del; /* online: delete events */ + u32 sm_on_hwf; /* online: IOC down events */ + u32 sm_on_unexp; /* online: exception events */ + u32 sm_fwd_rsp; /* fw delete: fw responses */ + u32 sm_fwd_del; /* fw delete: delete events */ + u32 sm_fwd_hwf; /* fw delete: IOC down events */ + u32 sm_fwd_unexp; /* fw delete: exception events*/ + u32 sm_off_del; /* offline: delete events */ + u32 sm_off_on; /* offline: online events */ + u32 sm_off_hwf; /* offline: IOC down events */ + u32 sm_off_unexp; /* offline: exception events */ + u32 sm_del_fwrsp; /* delete: fw responses */ + u32 sm_del_hwf; /* delete: IOC down events */ + u32 sm_del_unexp; /* delete: exception events */ + u32 sm_delp_fwrsp; /* delete pend: fw responses */ + u32 sm_delp_hwf; /* delete pend: IOC downs */ + u32 sm_delp_unexp; /* delete pend: exceptions */ + u32 sm_offp_fwrsp; /* off-pending: fw responses */ + u32 sm_offp_del; /* off-pending: deletes */ + u32 sm_offp_hwf; /* off-pending: IOC downs */ + u32 sm_offp_unexp; /* off-pending: exceptions */ + u32 sm_iocd_off; /* IOC down: offline events */ + u32 sm_iocd_del; /* IOC down: delete events */ + u32 sm_iocd_on; /* IOC down: online events */ + u32 sm_iocd_unexp; /* IOC down: exceptions */ + u32 rsvd; +}; +#pragma pack(1) +/** + * Rport's QoS attributes + */ +struct bfa_rport_qos_attr_s { + u8 qos_priority; /* rport's QoS priority */ + u8 rsvd[3]; + u32 qos_flow_id; /* QoS flow Id */ +}; +#pragma pack() + +#define BFA_IOBUCKET_MAX 14 + +struct bfa_itnim_latency_s { + u32 min[BFA_IOBUCKET_MAX]; + u32 max[BFA_IOBUCKET_MAX]; + u32 count[BFA_IOBUCKET_MAX]; + u32 avg[BFA_IOBUCKET_MAX]; +}; + +struct bfa_itnim_ioprofile_s { + u32 clock_res_mul; + u32 clock_res_div; + u32 index; + u32 io_profile_start_time; /* IO profile start time */ + u32 iocomps[BFA_IOBUCKET_MAX]; /* IO completed */ + struct bfa_itnim_latency_s io_latency; +}; + +/** + * FC physical port statistics. + */ +struct bfa_port_fc_stats_s { + u64 secs_reset; /* Seconds since stats is reset */ + u64 tx_frames; /* Tx frames */ + u64 tx_words; /* Tx words */ + u64 tx_lip; /* Tx LIP */ + u64 tx_nos; /* Tx NOS */ + u64 tx_ols; /* Tx OLS */ + u64 tx_lr; /* Tx LR */ + u64 tx_lrr; /* Tx LRR */ + u64 rx_frames; /* Rx frames */ + u64 rx_words; /* Rx words */ + u64 lip_count; /* Rx LIP */ + u64 nos_count; /* Rx NOS */ + u64 ols_count; /* Rx OLS */ + u64 lr_count; /* Rx LR */ + u64 lrr_count; /* Rx LRR */ + u64 invalid_crcs; /* Rx CRC err frames */ + u64 invalid_crc_gd_eof; /* Rx CRC err good EOF frames */ + u64 undersized_frm; /* Rx undersized frames */ + u64 oversized_frm; /* Rx oversized frames */ + u64 bad_eof_frm; /* Rx frames with bad EOF */ + u64 error_frames; /* Errored frames */ + u64 dropped_frames; /* Dropped frames */ + u64 link_failures; /* Link Failure (LF) count */ + u64 loss_of_syncs; /* Loss of sync count */ + u64 loss_of_signals; /* Loss of signal count */ + u64 primseq_errs; /* Primitive sequence protocol err. */ + u64 bad_os_count; /* Invalid ordered sets */ + u64 err_enc_out; /* Encoding err nonframe_8b10b */ + u64 err_enc; /* Encoding err frame_8b10b */ +}; + +/** + * Eth Physical Port statistics. + */ +struct bfa_port_eth_stats_s { + u64 secs_reset; /* Seconds since stats is reset */ + u64 frame_64; /* Frames 64 bytes */ + u64 frame_65_127; /* Frames 65-127 bytes */ + u64 frame_128_255; /* Frames 128-255 bytes */ + u64 frame_256_511; /* Frames 256-511 bytes */ + u64 frame_512_1023; /* Frames 512-1023 bytes */ + u64 frame_1024_1518; /* Frames 1024-1518 bytes */ + u64 frame_1519_1522; /* Frames 1519-1522 bytes */ + u64 tx_bytes; /* Tx bytes */ + u64 tx_packets; /* Tx packets */ + u64 tx_mcast_packets; /* Tx multicast packets */ + u64 tx_bcast_packets; /* Tx broadcast packets */ + u64 tx_control_frame; /* Tx control frame */ + u64 tx_drop; /* Tx drops */ + u64 tx_jabber; /* Tx jabber */ + u64 tx_fcs_error; /* Tx FCS errors */ + u64 tx_fragments; /* Tx fragments */ + u64 rx_bytes; /* Rx bytes */ + u64 rx_packets; /* Rx packets */ + u64 rx_mcast_packets; /* Rx multicast packets */ + u64 rx_bcast_packets; /* Rx broadcast packets */ + u64 rx_control_frames; /* Rx control frames */ + u64 rx_unknown_opcode; /* Rx unknown opcode */ + u64 rx_drop; /* Rx drops */ + u64 rx_jabber; /* Rx jabber */ + u64 rx_fcs_error; /* Rx FCS errors */ + u64 rx_alignment_error; /* Rx alignment errors */ + u64 rx_frame_length_error; /* Rx frame len errors */ + u64 rx_code_error; /* Rx code errors */ + u64 rx_fragments; /* Rx fragments */ + u64 rx_pause; /* Rx pause */ + u64 rx_zero_pause; /* Rx zero pause */ + u64 tx_pause; /* Tx pause */ + u64 tx_zero_pause; /* Tx zero pause */ + u64 rx_fcoe_pause; /* Rx FCoE pause */ + u64 rx_fcoe_zero_pause; /* Rx FCoE zero pause */ + u64 tx_fcoe_pause; /* Tx FCoE pause */ + u64 tx_fcoe_zero_pause; /* Tx FCoE zero pause */ + u64 rx_iscsi_pause; /* Rx iSCSI pause */ + u64 rx_iscsi_zero_pause; /* Rx iSCSI zero pause */ + u64 tx_iscsi_pause; /* Tx iSCSI pause */ + u64 tx_iscsi_zero_pause; /* Tx iSCSI zero pause */ +}; + +/** + * Port statistics. + */ +union bfa_port_stats_u { + struct bfa_port_fc_stats_s fc; + struct bfa_port_eth_stats_s eth; +}; + +#endif /* __BFA_DEFS_SVC_H__ */ diff --git a/drivers/scsi/bfa/bfa_module.c b/drivers/scsi/bfa/bfa_drv.c index a7fcc80c177e..14127646dc54 100644 --- a/drivers/scsi/bfa/bfa_module.c +++ b/drivers/scsi/bfa/bfa_drv.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. * All rights reserved * www.brocade.com * @@ -14,10 +14,8 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. */ -#include <bfa.h> -#include <defs/bfa_defs_pci.h> -#include <cs/bfa_debug.h> -#include <bfa_iocfc.h> + +#include "bfa_modules.h" /** * BFA module list terminated by NULL @@ -30,9 +28,6 @@ struct bfa_module_s *hal_mods[] = { &hal_mod_uf, &hal_mod_rport, &hal_mod_fcpim, -#ifdef BFA_CFG_PBIND - &hal_mod_pbind, -#endif NULL }; @@ -74,17 +69,39 @@ bfa_isr_func_t bfa_isrs[BFI_MC_MAX] = { bfa_isr_unhandled, /* --------- */ }; + /** * Message handlers for mailbox command classes */ bfa_ioc_mbox_mcfunc_t bfa_mbox_isrs[BFI_MC_MAX] = { NULL, - NULL, /* BFI_MC_IOC */ - NULL, /* BFI_MC_DIAG */ + NULL, /* BFI_MC_IOC */ + NULL, /* BFI_MC_DIAG */ NULL, /* BFI_MC_FLASH */ - NULL, /* BFI_MC_CEE */ - NULL, /* BFI_MC_PORT */ + NULL, /* BFI_MC_CEE */ + NULL, /* BFI_MC_PORT */ bfa_iocfc_isr, /* BFI_MC_IOCFC */ NULL, }; + + +void +bfa_com_port_attach(struct bfa_s *bfa, struct bfa_meminfo_s *mi) +{ + struct bfa_port_s *port = &bfa->modules.port; + u32 dm_len; + u8 *dm_kva; + u64 dm_pa; + + dm_len = bfa_port_meminfo(); + dm_kva = bfa_meminfo_dma_virt(mi); + dm_pa = bfa_meminfo_dma_phys(mi); + + memset(port, 0, sizeof(struct bfa_port_s)); + bfa_port_attach(port, &bfa->ioc, bfa, bfa->trcmod); + bfa_port_mem_claim(port, dm_kva, dm_pa); + + bfa_meminfo_dma_virt(mi) = dm_kva + dm_len; + bfa_meminfo_dma_phys(mi) = dm_pa + dm_len; +} diff --git a/drivers/scsi/bfa/include/protocol/fc.h b/drivers/scsi/bfa/bfa_fc.h index 436dd7c5643a..6eff705564eb 100644 --- a/drivers/scsi/bfa/include/protocol/fc.h +++ b/drivers/scsi/bfa/bfa_fc.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. * All rights reserved * www.brocade.com * @@ -15,13 +15,50 @@ * General Public License for more details. */ -#ifndef __FC_H__ -#define __FC_H__ +#ifndef __BFA_FC_H__ +#define __BFA_FC_H__ -#include <protocol/types.h> +#include "bfa_os_inc.h" + +typedef u64 wwn_t; +typedef u64 lun_t; + +#define WWN_NULL (0) +#define FC_SYMNAME_MAX 256 /* max name server symbolic name size */ +#define FC_ALPA_MAX 128 #pragma pack(1) +#define MAC_ADDRLEN (6) +struct mac_s { u8 mac[MAC_ADDRLEN]; }; +#define mac_t struct mac_s + +/* + * generic SCSI cdb definition + */ +#define SCSI_MAX_CDBLEN 16 +struct scsi_cdb_s { + u8 scsi_cdb[SCSI_MAX_CDBLEN]; +}; +#define scsi_cdb_t struct scsi_cdb_s + +/* ------------------------------------------------------------ + * SCSI status byte values + * ------------------------------------------------------------ + */ +#define SCSI_STATUS_GOOD 0x00 +#define SCSI_STATUS_CHECK_CONDITION 0x02 +#define SCSI_STATUS_CONDITION_MET 0x04 +#define SCSI_STATUS_BUSY 0x08 +#define SCSI_STATUS_INTERMEDIATE 0x10 +#define SCSI_STATUS_ICM 0x14 /* intermediate condition met */ +#define SCSI_STATUS_RESERVATION_CONFLICT 0x18 +#define SCSI_STATUS_COMMAND_TERMINATED 0x22 +#define SCSI_STATUS_QUEUE_FULL 0x28 +#define SCSI_STATUS_ACA_ACTIVE 0x30 + +#define SCSI_MAX_ALLOC_LEN 0xFF /* maximum allocarion length */ + /* * Fibre Channel Header Structure (FCHS) definition */ @@ -51,9 +88,9 @@ struct fchs_s { u32 ro; /* relative offset */ }; -#define FC_SOF_LEN 4 -#define FC_EOF_LEN 4 -#define FC_CRC_LEN 4 +#define FC_SOF_LEN 4 +#define FC_EOF_LEN 4 +#define FC_CRC_LEN 4 /* * Fibre Channel BB_E Header Structure @@ -140,10 +177,12 @@ enum { FC_TYPE_FC_FSS = 0x22, /* Fabric Switch Services */ FC_TYPE_FC_AL = 0x23, /* FC-AL */ FC_TYPE_FC_SNMP = 0x24, /* FC-SNMP */ + FC_TYPE_FC_SPINFAB = 0xEE, /* SPINFAB */ + FC_TYPE_FC_DIAG = 0xEF, /* DIAG */ FC_TYPE_MAX = 256, /* 256 FC-4 types */ }; -struct fc_fc4types_s{ +struct fc_fc4types_s { u8 bits[FC_TYPE_MAX / 8]; }; @@ -168,7 +207,7 @@ enum { */ enum { FC_MIN_WELL_KNOWN_ADDR = 0xFFFFF0, - FC_DOMAIN_CONTROLLER_MASK = 0xFFFC00, + FC_DOMAIN_CONTROLLER_MASK = 0xFFFC00, FC_ALIAS_SERVER = 0xFFFFF8, FC_MGMT_SERVER = 0xFFFFFA, FC_TIME_SERVER = 0xFFFFFB, @@ -201,7 +240,7 @@ enum { /* * generic ELS command */ -struct fc_els_cmd_s{ +struct fc_els_cmd_s { u32 els_code:8; /* ELS Command Code */ u32 reserved:24; }; @@ -233,6 +272,8 @@ enum { FC_ELS_PDISC = 0x50, /* Discover N_Port Parameters. */ FC_ELS_FDISC = 0x51, /* Discover F_Port Parameters. */ FC_ELS_ADISC = 0x52, /* Discover Address. */ + FC_ELS_FARP_REQ = 0x54, /* FARP Request. */ + FC_ELS_FARP_REP = 0x55, /* FARP Reply. */ FC_ELS_FAN = 0x60, /* Fabric Address Notification */ FC_ELS_RSCN = 0x61, /* Reg State Change Notification */ FC_ELS_SCR = 0x62, /* State Change Registration. */ @@ -272,7 +313,7 @@ enum { * N_Port PLOGI Common Service Parameters. * FC-PH-x. Figure-76. pg. 308. */ -struct fc_plogi_csp_s{ +struct fc_plogi_csp_s { u8 verhi; /* FC-PH high version */ u8 verlo; /* FC-PH low version */ u16 bbcred; /* BB_Credit */ @@ -326,7 +367,7 @@ struct fc_plogi_csp_s{ * N_Port PLOGI Class Specific Parameters. * FC-PH-x. Figure 78. pg. 318. */ -struct fc_plogi_clp_s{ +struct fc_plogi_clp_s { #ifdef __BIGENDIAN u32 class_valid:1; u32 intermix:1; /* class intermix supported if set =1. @@ -361,29 +402,29 @@ struct fc_plogi_clp_s{ u32 reserved8:16; }; -#define FLOGI_VVL_BRCD 0x42524344 /* ASCII value for each character in - * string "BRCD" */ +/* ASCII value for each character in string "BRCD" */ +#define FLOGI_VVL_BRCD 0x42524344 /* * PLOGI els command and reply payload */ -struct fc_logi_s{ +struct fc_logi_s { struct fc_els_cmd_s els_cmd; /* ELS command code */ - struct fc_plogi_csp_s csp; /* common service params */ + struct fc_plogi_csp_s csp; /* common service params */ wwn_t port_name; wwn_t node_name; - struct fc_plogi_clp_s class1; /* class 1 service parameters */ - struct fc_plogi_clp_s class2; /* class 2 service parameters */ - struct fc_plogi_clp_s class3; /* class 3 service parameters */ - struct fc_plogi_clp_s class4; /* class 4 service parameters */ + struct fc_plogi_clp_s class1; /* class 1 service parameters */ + struct fc_plogi_clp_s class2; /* class 2 service parameters */ + struct fc_plogi_clp_s class3; /* class 3 service parameters */ + struct fc_plogi_clp_s class4; /* class 4 service parameters */ u8 vvl[16]; /* vendor version level */ }; /* * LOGO els command payload */ -struct fc_logo_s{ - struct fc_els_cmd_s els_cmd; /* ELS command code */ +struct fc_logo_s { + struct fc_els_cmd_s els_cmd; /* ELS command code */ u32 res1:8; u32 nport_id:24; /* N_Port identifier of source */ wwn_t orig_port_name; /* Port name of the LOGO originator */ @@ -393,7 +434,7 @@ struct fc_logo_s{ * ADISC els command payload */ struct fc_adisc_s { - struct fc_els_cmd_s els_cmd; /* ELS command code */ + struct fc_els_cmd_s els_cmd; /* ELS command code */ u32 res1:8; u32 orig_HA:24; /* originator hard address */ wwn_t orig_port_name; /* originator port name */ @@ -405,7 +446,7 @@ struct fc_adisc_s { /* * Exchange status block */ -struct fc_exch_status_blk_s{ +struct fc_exch_status_blk_s { u32 oxid:16; u32 rxid:16; u32 res1:8; @@ -423,7 +464,7 @@ struct fc_exch_status_blk_s{ * RES els command payload */ struct fc_res_s { - struct fc_els_cmd_s els_cmd; /* ELS command code */ + struct fc_els_cmd_s els_cmd; /* ELS command code */ u32 res1:8; u32 nport_id:24; /* N_Port identifier of source */ u32 oxid:16; @@ -434,16 +475,16 @@ struct fc_res_s { /* * RES els accept payload */ -struct fc_res_acc_s{ - struct fc_els_cmd_s els_cmd; /* ELS command code */ - struct fc_exch_status_blk_s fc_exch_blk; /* Exchange status block */ +struct fc_res_acc_s { + struct fc_els_cmd_s els_cmd; /* ELS command code */ + struct fc_exch_status_blk_s fc_exch_blk; /* Exchange status block */ }; /* * REC els command payload */ struct fc_rec_s { - struct fc_els_cmd_s els_cmd; /* ELS command code */ + struct fc_els_cmd_s els_cmd; /* ELS command code */ u32 res1:8; u32 nport_id:24; /* N_Port identifier of source */ u32 oxid:16; @@ -451,9 +492,9 @@ struct fc_rec_s { }; #define FC_REC_ESB_OWN_RSP 0x80000000 /* responder owns */ -#define FC_REC_ESB_SI 0x40000000 /* SI is owned */ +#define FC_REC_ESB_SI 0x40000000 /* SI is owned */ #define FC_REC_ESB_COMP 0x20000000 /* exchange is complete */ -#define FC_REC_ESB_ENDCOND_ABN 0x10000000 /* abnormal ending */ +#define FC_REC_ESB_ENDCOND_ABN 0x10000000 /* abnormal ending */ #define FC_REC_ESB_RQACT 0x04000000 /* recovery qual active */ #define FC_REC_ESB_ERRP_MSK 0x03000000 #define FC_REC_ESB_OXID_INV 0x00800000 /* invalid OXID */ @@ -464,7 +505,7 @@ struct fc_rec_s { * REC els accept payload */ struct fc_rec_acc_s { - struct fc_els_cmd_s els_cmd; /* ELS command code */ + struct fc_els_cmd_s els_cmd; /* ELS command code */ u32 oxid:16; u32 rxid:16; u32 res1:8; @@ -479,7 +520,7 @@ struct fc_rec_acc_s { * RSI els payload */ struct fc_rsi_s { - struct fc_els_cmd_s els_cmd; + struct fc_els_cmd_s els_cmd; u32 res1:8; u32 orig_sid:24; u32 oxid:16; @@ -490,7 +531,7 @@ struct fc_rsi_s { * structure for PRLI paramater pages, both request & response * see FC-PH-X table 113 & 115 for explanation also FCP table 8 */ -struct fc_prli_params_s{ +struct fc_prli_params_s { u32 reserved:16; #ifdef __BIGENDIAN u32 reserved1:5; @@ -531,7 +572,7 @@ enum { FC_PRLI_ACC_PREDEF_IMG = 0x5, /* predefined image - no prli needed */ }; -struct fc_prli_params_page_s{ +struct fc_prli_params_page_s { u32 type:8; u32 codext:8; #ifdef __BIGENDIAN @@ -551,13 +592,13 @@ struct fc_prli_params_page_s{ u32 origprocas; u32 rspprocas; - struct fc_prli_params_s servparams; + struct fc_prli_params_s servparams; }; /* * PRLI request and accept payload, FC-PH-X tables 112 & 114 */ -struct fc_prli_s{ +struct fc_prli_s { u32 command:8; u32 pglen:8; u32 pagebytes:16; @@ -567,7 +608,7 @@ struct fc_prli_s{ /* * PRLO logout params page */ -struct fc_prlo_params_page_s{ +struct fc_prlo_params_page_s { u32 type:8; u32 type_ext:8; #ifdef __BIGENDIAN @@ -592,17 +633,17 @@ struct fc_prlo_params_page_s{ /* * PRLO els command payload */ -struct fc_prlo_s{ - u32 command:8; - u32 page_len:8; - u32 payload_len:16; - struct fc_prlo_params_page_s prlo_params[1]; +struct fc_prlo_s { + u32 command:8; + u32 page_len:8; + u32 payload_len:16; + struct fc_prlo_params_page_s prlo_params[1]; }; /* * PRLO Logout response parameter page */ -struct fc_prlo_acc_params_page_s{ +struct fc_prlo_acc_params_page_s { u32 type:8; u32 type_ext:8; @@ -628,7 +669,7 @@ struct fc_prlo_acc_params_page_s{ /* * PRLO els command ACC payload */ -struct fc_prlo_acc_s{ +struct fc_prlo_acc_s { u32 command:8; u32 page_len:8; u32 payload_len:16; @@ -650,7 +691,7 @@ enum { FC_VU_SCR_REG_FUNC_FABRIC_NAME_CHANGE = 0x01 }; -struct fc_scr_s{ +struct fc_scr_s { u32 command:8; u32 res:24; u32 vu_reg_func:8; /* Vendor Unique Registrations */ @@ -674,7 +715,7 @@ enum { * LS_RJT els reply payload */ struct fc_ls_rjt_s { - struct fc_els_cmd_s els_cmd; /* ELS command code */ + struct fc_els_cmd_s els_cmd; /* ELS command code */ u32 res1:8; u32 reason_code:8; /* Reason code for reject */ u32 reason_code_expl:8; /* Reason code explanation */ @@ -722,8 +763,8 @@ enum { /* * RRQ els command payload */ -struct fc_rrq_s{ - struct fc_els_cmd_s els_cmd; /* ELS command code */ +struct fc_rrq_s { + struct fc_els_cmd_s els_cmd; /* ELS command code */ u32 res1:8; u32 s_id:24; /* exchange originator S_ID */ @@ -736,7 +777,7 @@ struct fc_rrq_s{ /* * ABTS BA_ACC reply payload */ -struct fc_ba_acc_s{ +struct fc_ba_acc_s { u32 seq_id_valid:8; /* set to 0x00 for Abort Exchange */ u32 seq_id:8; /* invalid for Abort Exchange */ u32 res2:16; @@ -749,7 +790,7 @@ struct fc_ba_acc_s{ /* * ABTS BA_RJT reject payload */ -struct fc_ba_rjt_s{ +struct fc_ba_rjt_s { u32 res1:8; /* Reserved */ u32 reason_code:8; /* reason code for reject */ u32 reason_expl:8; /* reason code explanation */ @@ -759,9 +800,9 @@ struct fc_ba_rjt_s{ /* * TPRLO logout parameter page */ -struct fc_tprlo_params_page_s{ - u32 type:8; - u32 type_ext:8; +struct fc_tprlo_params_page_s { +u32 type:8; +u32 type_ext:8; #ifdef __BIGENDIAN u32 opa_valid:1; @@ -787,7 +828,7 @@ struct fc_tprlo_params_page_s{ /* * TPRLO ELS command payload */ -struct fc_tprlo_s{ +struct fc_tprlo_s { u32 command:8; u32 page_len:8; u32 payload_len:16; @@ -795,7 +836,7 @@ struct fc_tprlo_s{ struct fc_tprlo_params_page_s tprlo_params[1]; }; -enum fc_tprlo_type{ +enum fc_tprlo_type { FC_GLOBAL_LOGO = 1, FC_TPR_LOGO }; @@ -803,7 +844,7 @@ enum fc_tprlo_type{ /* * TPRLO els command ACC payload */ -struct fc_tprlo_acc_s{ +struct fc_tprlo_acc_s { u32 command:8; u32 page_len:8; u32 payload_len:16; @@ -815,21 +856,21 @@ struct fc_tprlo_acc_s{ */ #define FC_RSCN_PGLEN 0x4 -enum fc_rscn_format{ +enum fc_rscn_format { FC_RSCN_FORMAT_PORTID = 0x0, FC_RSCN_FORMAT_AREA = 0x1, FC_RSCN_FORMAT_DOMAIN = 0x2, FC_RSCN_FORMAT_FABRIC = 0x3, }; -struct fc_rscn_event_s{ +struct fc_rscn_event_s { u32 format:2; u32 qualifier:4; u32 resvd:2; u32 portid:24; }; -struct fc_rscn_pl_s{ +struct fc_rscn_pl_s { u8 command; u8 pagelen; u16 payldlen; @@ -840,18 +881,18 @@ struct fc_rscn_pl_s{ * ECHO els command req payload */ struct fc_echo_s { - struct fc_els_cmd_s els_cmd; + struct fc_els_cmd_s els_cmd; }; /* * RNID els command */ -#define RNID_NODEID_DATA_FORMAT_COMMON 0x00 -#define RNID_NODEID_DATA_FORMAT_FCP3 0x08 -#define RNID_NODEID_DATA_FORMAT_DISCOVERY 0xDF +#define RNID_NODEID_DATA_FORMAT_COMMON 0x00 +#define RNID_NODEID_DATA_FORMAT_FCP3 0x08 +#define RNID_NODEID_DATA_FORMAT_DISCOVERY 0xDF -#define RNID_ASSOCIATED_TYPE_UNKNOWN 0x00000001 +#define RNID_ASSOCIATED_TYPE_UNKNOWN 0x00000001 #define RNID_ASSOCIATED_TYPE_OTHER 0x00000002 #define RNID_ASSOCIATED_TYPE_HUB 0x00000003 #define RNID_ASSOCIATED_TYPE_SWITCH 0x00000004 @@ -868,8 +909,8 @@ struct fc_echo_s { /* * RNID els command payload */ -struct fc_rnid_cmd_s{ - struct fc_els_cmd_s els_cmd; +struct fc_rnid_cmd_s { + struct fc_els_cmd_s els_cmd; u32 node_id_data_format:8; u32 reserved:24; }; @@ -878,12 +919,12 @@ struct fc_rnid_cmd_s{ * RNID els response payload */ -struct fc_rnid_common_id_data_s{ +struct fc_rnid_common_id_data_s { wwn_t port_name; wwn_t node_name; }; -struct fc_rnid_general_topology_data_s{ +struct fc_rnid_general_topology_data_s { u32 vendor_unique[4]; u32 asso_type; u32 phy_port_num; @@ -896,8 +937,8 @@ struct fc_rnid_general_topology_data_s{ u32 vendor_specific:16; }; -struct fc_rnid_acc_s{ - struct fc_els_cmd_s els_cmd; +struct fc_rnid_acc_s { + struct fc_els_cmd_s els_cmd; u32 node_id_data_format:8; u32 common_id_data_length:8; u32 reserved:8; @@ -920,7 +961,7 @@ struct fc_rnid_acc_s{ #define RNID_ASSOCIATED_TYPE_VIRTUALIZATION_DEVICE 0x00000003 #define RNID_ASSOCIATED_TYPE_MULTI_FUNCTION_DEVICE 0x000000FF -enum fc_rpsc_speed_cap{ +enum fc_rpsc_speed_cap { RPSC_SPEED_CAP_1G = 0x8000, RPSC_SPEED_CAP_2G = 0x4000, RPSC_SPEED_CAP_4G = 0x2000, @@ -931,7 +972,7 @@ enum fc_rpsc_speed_cap{ RPSC_SPEED_CAP_UNKNOWN = 0x0001, }; -enum fc_rpsc_op_speed_s{ +enum fc_rpsc_op_speed { RPSC_OP_SPEED_1G = 0x8000, RPSC_OP_SPEED_2G = 0x4000, RPSC_OP_SPEED_4G = 0x2000, @@ -942,24 +983,24 @@ enum fc_rpsc_op_speed_s{ RPSC_OP_SPEED_NOT_EST = 0x0001, /*! speed not established */ }; -struct fc_rpsc_speed_info_s{ - u16 port_speed_cap; /*! see fc_rpsc_speed_cap_t */ - u16 port_op_speed; /*! see fc_rpsc_op_speed_t */ +struct fc_rpsc_speed_info_s { + u16 port_speed_cap; /*! see enum fc_rpsc_speed_cap */ + u16 port_op_speed; /*! see enum fc_rpsc_op_speed */ }; -enum link_e2e_beacon_subcmd{ +enum link_e2e_beacon_subcmd { LINK_E2E_BEACON_ON = 1, LINK_E2E_BEACON_OFF = 2 }; -enum beacon_type{ +enum beacon_type { BEACON_TYPE_NORMAL = 1, /*! Normal Beaconing. Green */ BEACON_TYPE_WARN = 2, /*! Warning Beaconing. Yellow/Amber */ BEACON_TYPE_CRITICAL = 3 /*! Critical Beaconing. Red */ }; struct link_e2e_beacon_param_s { - u8 beacon_type; /* Beacon Type. See beacon_type_t */ + u8 beacon_type; /* Beacon Type. See enum beacon_type */ u8 beacon_frequency; /* Beacon frequency. Number of blinks * per 10 seconds @@ -978,12 +1019,13 @@ struct link_e2e_beacon_param_s { }; /* - * Link E2E beacon request/good response format. For LS_RJTs use fc_ls_rjt_t + * Link E2E beacon request/good response format. + * For LS_RJTs use struct fc_ls_rjt_s */ -struct link_e2e_beacon_req_s{ +struct link_e2e_beacon_req_s { u32 ls_code; /*! FC_ELS_E2E_LBEACON in requests * *or FC_ELS_ACC in good replies */ - u32 ls_sub_cmd; /*! See link_e2e_beacon_subcmd_t */ + u32 ls_sub_cmd; /*! See enum link_e2e_beacon_subcmd */ struct link_e2e_beacon_param_s beacon_parm; }; @@ -992,14 +1034,14 @@ struct link_e2e_beacon_req_s{ * all the ports within that domain (TODO - I don't think FOS implements * this...). */ -struct fc_rpsc_cmd_s{ - struct fc_els_cmd_s els_cmd; +struct fc_rpsc_cmd_s { + struct fc_els_cmd_s els_cmd; }; /* * RPSC Acc */ -struct fc_rpsc_acc_s{ +struct fc_rpsc_acc_s { u32 command:8; u32 rsvd:8; u32 num_entries:16; @@ -1012,51 +1054,50 @@ struct fc_rpsc_acc_s{ */ #define FC_BRCD_TOKEN 0x42524344 -struct fc_rpsc2_cmd_s{ - struct fc_els_cmd_s els_cmd; - u32 token; - u16 resvd; - u16 num_pids; /* Number of pids in the request */ +struct fc_rpsc2_cmd_s { + struct fc_els_cmd_s els_cmd; + u32 token; + u16 resvd; + u16 num_pids; /* Number of pids in the request */ struct { u32 rsvd1:8; - u32 pid:24; /* port identifier */ + u32 pid:24; /* port identifier */ } pid_list[1]; }; -enum fc_rpsc2_port_type{ +enum fc_rpsc2_port_type { RPSC2_PORT_TYPE_UNKNOWN = 0, RPSC2_PORT_TYPE_NPORT = 1, RPSC2_PORT_TYPE_NLPORT = 2, RPSC2_PORT_TYPE_NPIV_PORT = 0x5f, RPSC2_PORT_TYPE_NPORT_TRUNK = 0x6f, }; - /* * RPSC2 portInfo entry structure */ -struct fc_rpsc2_port_info_s{ +struct fc_rpsc2_port_info_s { u32 pid; /* PID */ u16 resvd1; u16 index; /* port number / index */ u8 resvd2; - u8 type; /* port type N/NL/... */ + u8 type; /* port type N/NL/... */ u16 speed; /* port Operating Speed */ }; /* * RPSC2 Accept payload */ -struct fc_rpsc2_acc_s{ +struct fc_rpsc2_acc_s { u8 els_cmd; u8 resvd; - u16 num_pids; /* Number of pids in the request */ - struct fc_rpsc2_port_info_s port_info[1]; /* port information */ + u16 num_pids; /* Number of pids in the request */ + struct fc_rpsc2_port_info_s port_info[1]; /* port information */ }; /** * bit fields so that multiple classes can be specified */ -enum fc_cos{ +enum fc_cos { FC_CLASS_2 = 0x04, FC_CLASS_3 = 0x08, FC_CLASS_2_3 = 0x0C, @@ -1065,11 +1106,11 @@ enum fc_cos{ /* * symbolic name */ -struct fc_symname_s{ +struct fc_symname_s { u8 symname[FC_SYMNAME_MAX]; }; -struct fc_alpabm_s{ +struct fc_alpabm_s { u8 alpa_bm[FC_ALPA_MAX / 8]; }; @@ -1094,7 +1135,7 @@ struct fc_alpabm_s{ * Virtual Fabric Tagging header format * @caution This is defined only in BIG ENDIAN format. */ -struct fc_vft_s{ +struct fc_vft_s { u32 r_ctl:8; u32 ver:2; u32 type:4; @@ -1106,6 +1147,770 @@ struct fc_vft_s{ u32 res_c:24; }; -#pragma pack() +/* + * FCP + */ +enum { + FCP_RJT = 0x01000000, /* SRR reject */ + FCP_SRR_ACCEPT = 0x02000000, /* SRR accept */ + FCP_SRR = 0x14000000, /* Sequence Retransmission Request */ +}; + +/* + * SRR FC-4 LS payload + */ +struct fc_srr_s { + u32 ls_cmd; + u32 ox_id:16; /* ox-id */ + u32 rx_id:16; /* rx-id */ + u32 ro; /* relative offset */ + u32 r_ctl:8; /* R_CTL for I.U. */ + u32 res:24; +}; + + +/* + * FCP_CMND definitions + */ +#define FCP_CMND_CDB_LEN 16 +#define FCP_CMND_LUN_LEN 8 + +struct fcp_cmnd_s { + lun_t lun; /* 64-bit LU number */ + u8 crn; /* command reference number */ +#ifdef __BIGENDIAN + u8 resvd:1, + priority:4, /* FCP-3: SAM-3 priority */ + taskattr:3; /* scsi task attribute */ +#else + u8 taskattr:3, /* scsi task attribute */ + priority:4, /* FCP-3: SAM-3 priority */ + resvd:1; +#endif + u8 tm_flags; /* task management flags */ +#ifdef __BIGENDIAN + u8 addl_cdb_len:6, /* additional CDB length words */ + iodir:2; /* read/write FCP_DATA IUs */ +#else + u8 iodir:2, /* read/write FCP_DATA IUs */ + addl_cdb_len:6; /* additional CDB length */ +#endif + scsi_cdb_t cdb; + + /* + * !!! additional cdb bytes follows here!!! + */ + u32 fcp_dl; /* bytes to be transferred */ +}; + +#define fcp_cmnd_cdb_len(_cmnd) ((_cmnd)->addl_cdb_len * 4 + FCP_CMND_CDB_LEN) +#define fcp_cmnd_fcpdl(_cmnd) ((&(_cmnd)->fcp_dl)[(_cmnd)->addl_cdb_len]) +/* + * struct fcp_cmnd_s .iodir field values + */ +enum fcp_iodir { + FCP_IODIR_NONE = 0, + FCP_IODIR_WRITE = 1, + FCP_IODIR_READ = 2, + FCP_IODIR_RW = 3, +}; + +/* + * Task attribute field + */ +enum { + FCP_TASK_ATTR_SIMPLE = 0, + FCP_TASK_ATTR_HOQ = 1, + FCP_TASK_ATTR_ORDERED = 2, + FCP_TASK_ATTR_ACA = 4, + FCP_TASK_ATTR_UNTAGGED = 5, /* obsolete in FCP-3 */ +}; + +/* + * Task management flags field - only one bit shall be set + */ +enum fcp_tm_cmnd { + FCP_TM_ABORT_TASK_SET = BIT(1), + FCP_TM_CLEAR_TASK_SET = BIT(2), + FCP_TM_LUN_RESET = BIT(4), + FCP_TM_TARGET_RESET = BIT(5), /* obsolete in FCP-3 */ + FCP_TM_CLEAR_ACA = BIT(6), +}; + +/* + * FCP_XFER_RDY IU defines + */ +struct fcp_xfer_rdy_s { + u32 data_ro; + u32 burst_len; + u32 reserved; +}; + +/* + * FCP_RSP residue flags + */ +enum fcp_residue { + FCP_NO_RESIDUE = 0, /* no residue */ + FCP_RESID_OVER = 1, /* more data left that was not sent */ + FCP_RESID_UNDER = 2, /* less data than requested */ +}; + +enum { + FCP_RSPINFO_GOOD = 0, + FCP_RSPINFO_DATALEN_MISMATCH = 1, + FCP_RSPINFO_CMND_INVALID = 2, + FCP_RSPINFO_ROLEN_MISMATCH = 3, + FCP_RSPINFO_TM_NOT_SUPP = 4, + FCP_RSPINFO_TM_FAILED = 5, +}; + +struct fcp_rspinfo_s { + u32 res0:24; + u32 rsp_code:8; /* response code (as above) */ + u32 res1; +}; + +struct fcp_resp_s { + u32 reserved[2]; /* 2 words reserved */ + u16 reserved2; +#ifdef __BIGENDIAN + u8 reserved3:3; + u8 fcp_conf_req:1; /* FCP_CONF is requested */ + u8 resid_flags:2; /* underflow/overflow */ + u8 sns_len_valid:1;/* sense len is valid */ + u8 rsp_len_valid:1;/* response len is valid */ +#else + u8 rsp_len_valid:1;/* response len is valid */ + u8 sns_len_valid:1;/* sense len is valid */ + u8 resid_flags:2; /* underflow/overflow */ + u8 fcp_conf_req:1; /* FCP_CONF is requested */ + u8 reserved3:3; #endif + u8 scsi_status; /* one byte SCSI status */ + u32 residue; /* residual data bytes */ + u32 sns_len; /* length od sense info */ + u32 rsp_len; /* length of response info */ +}; + +#define fcp_snslen(__fcprsp) ((__fcprsp)->sns_len_valid ? \ + (__fcprsp)->sns_len : 0) +#define fcp_rsplen(__fcprsp) ((__fcprsp)->rsp_len_valid ? \ + (__fcprsp)->rsp_len : 0) +#define fcp_rspinfo(__fcprsp) ((struct fcp_rspinfo_s *)((__fcprsp) + 1)) +#define fcp_snsinfo(__fcprsp) (((u8 *)fcp_rspinfo(__fcprsp)) + \ + fcp_rsplen(__fcprsp)) + +struct fcp_cmnd_fr_s { + struct fchs_s fchs; + struct fcp_cmnd_s fcp; +}; + +/* + * CT + */ +struct ct_hdr_s { + u32 rev_id:8; /* Revision of the CT */ + u32 in_id:24; /* Initiator Id */ + u32 gs_type:8; /* Generic service Type */ + u32 gs_sub_type:8; /* Generic service sub type */ + u32 options:8; /* options */ + u32 rsvrd:8; /* reserved */ + u32 cmd_rsp_code:16;/* ct command/response code */ + u32 max_res_size:16;/* maximum/residual size */ + u32 frag_id:8; /* fragment ID */ + u32 reason_code:8; /* reason code */ + u32 exp_code:8; /* explanation code */ + u32 vendor_unq:8; /* vendor unique */ +}; + +/* + * defines for the Revision + */ +enum { + CT_GS3_REVISION = 0x01, +}; + +/* + * defines for gs_type + */ +enum { + CT_GSTYPE_KEYSERVICE = 0xF7, + CT_GSTYPE_ALIASSERVICE = 0xF8, + CT_GSTYPE_MGMTSERVICE = 0xFA, + CT_GSTYPE_TIMESERVICE = 0xFB, + CT_GSTYPE_DIRSERVICE = 0xFC, +}; + +/* + * defines for gs_sub_type for gs type directory service + */ +enum { + CT_GSSUBTYPE_NAMESERVER = 0x02, +}; + +/* + * defines for gs_sub_type for gs type management service + */ +enum { + CT_GSSUBTYPE_CFGSERVER = 0x01, + CT_GSSUBTYPE_UNZONED_NS = 0x02, + CT_GSSUBTYPE_ZONESERVER = 0x03, + CT_GSSUBTYPE_LOCKSERVER = 0x04, + CT_GSSUBTYPE_HBA_MGMTSERVER = 0x10, /* for FDMI */ +}; + +/* + * defines for CT response code field + */ +enum { + CT_RSP_REJECT = 0x8001, + CT_RSP_ACCEPT = 0x8002, +}; + +/* + * defintions for CT reason code + */ +enum { + CT_RSN_INV_CMD = 0x01, + CT_RSN_INV_VER = 0x02, + CT_RSN_LOGIC_ERR = 0x03, + CT_RSN_INV_SIZE = 0x04, + CT_RSN_LOGICAL_BUSY = 0x05, + CT_RSN_PROTO_ERR = 0x07, + CT_RSN_UNABLE_TO_PERF = 0x09, + CT_RSN_NOT_SUPP = 0x0B, + CT_RSN_SERVER_NOT_AVBL = 0x0D, + CT_RSN_SESSION_COULD_NOT_BE_ESTBD = 0x0E, + CT_RSN_VENDOR_SPECIFIC = 0xFF, + +}; + +/* + * definitions for explanations code for Name server + */ +enum { + CT_NS_EXP_NOADDITIONAL = 0x00, + CT_NS_EXP_ID_NOT_REG = 0x01, + CT_NS_EXP_PN_NOT_REG = 0x02, + CT_NS_EXP_NN_NOT_REG = 0x03, + CT_NS_EXP_CS_NOT_REG = 0x04, + CT_NS_EXP_IPN_NOT_REG = 0x05, + CT_NS_EXP_IPA_NOT_REG = 0x06, + CT_NS_EXP_FT_NOT_REG = 0x07, + CT_NS_EXP_SPN_NOT_REG = 0x08, + CT_NS_EXP_SNN_NOT_REG = 0x09, + CT_NS_EXP_PT_NOT_REG = 0x0A, + CT_NS_EXP_IPP_NOT_REG = 0x0B, + CT_NS_EXP_FPN_NOT_REG = 0x0C, + CT_NS_EXP_HA_NOT_REG = 0x0D, + CT_NS_EXP_FD_NOT_REG = 0x0E, + CT_NS_EXP_FF_NOT_REG = 0x0F, + CT_NS_EXP_ACCESSDENIED = 0x10, + CT_NS_EXP_UNACCEPTABLE_ID = 0x11, + CT_NS_EXP_DATABASEEMPTY = 0x12, + CT_NS_EXP_NOT_REG_IN_SCOPE = 0x13, + CT_NS_EXP_DOM_ID_NOT_PRESENT = 0x14, + CT_NS_EXP_PORT_NUM_NOT_PRESENT = 0x15, + CT_NS_EXP_NO_DEVICE_ATTACHED = 0x16 +}; + +/* + * defintions for the explanation code for all servers + */ +enum { + CT_EXP_AUTH_EXCEPTION = 0xF1, + CT_EXP_DB_FULL = 0xF2, + CT_EXP_DB_EMPTY = 0xF3, + CT_EXP_PROCESSING_REQ = 0xF4, + CT_EXP_UNABLE_TO_VERIFY_CONN = 0xF5, + CT_EXP_DEVICES_NOT_IN_CMN_ZONE = 0xF6 +}; + +/* + * Command codes for Name server + */ +enum { + GS_GID_PN = 0x0121, /* Get Id on port name */ + GS_GPN_ID = 0x0112, /* Get port name on ID */ + GS_GNN_ID = 0x0113, /* Get node name on ID */ + GS_GID_FT = 0x0171, /* Get Id on FC4 type */ + GS_GSPN_ID = 0x0118, /* Get symbolic PN on ID */ + GS_RFT_ID = 0x0217, /* Register fc4type on ID */ + GS_RSPN_ID = 0x0218, /* Register symbolic PN on ID */ + GS_RPN_ID = 0x0212, /* Register port name */ + GS_RNN_ID = 0x0213, /* Register node name */ + GS_RCS_ID = 0x0214, /* Register class of service */ + GS_RPT_ID = 0x021A, /* Register port type */ + GS_GA_NXT = 0x0100, /* Get all next */ + GS_RFF_ID = 0x021F, /* Register FC4 Feature */ +}; + +struct fcgs_id_req_s{ + u32 rsvd:8; + u32 dap:24; /* port identifier */ +}; +#define fcgs_gpnid_req_t struct fcgs_id_req_s +#define fcgs_gnnid_req_t struct fcgs_id_req_s +#define fcgs_gspnid_req_t struct fcgs_id_req_s + +struct fcgs_gidpn_req_s { + wwn_t port_name; /* port wwn */ +}; + +struct fcgs_gidpn_resp_s { + u32 rsvd:8; + u32 dap:24; /* port identifier */ +}; + +/** + * RFT_ID + */ +struct fcgs_rftid_req_s { + u32 rsvd:8; + u32 dap:24; /* port identifier */ + u32 fc4_type[8]; /* fc4 types */ +}; + +/** + * RFF_ID : Register FC4 features. + */ + +#define FC_GS_FCP_FC4_FEATURE_INITIATOR 0x02 +#define FC_GS_FCP_FC4_FEATURE_TARGET 0x01 + +struct fcgs_rffid_req_s { + u32 rsvd:8; + u32 dap:24; /* port identifier */ + u32 rsvd1:16; + u32 fc4ftr_bits:8; /* fc4 feature bits */ + u32 fc4_type:8; /* corresponding FC4 Type */ +}; + +/** + * GID_FT Request + */ +struct fcgs_gidft_req_s { + u8 reserved; + u8 domain_id; /* domain, 0 - all fabric */ + u8 area_id; /* area, 0 - whole domain */ + u8 fc4_type; /* FC_TYPE_FCP for SCSI devices */ +}; /* GID_FT Request */ + +/** + * GID_FT Response + */ +struct fcgs_gidft_resp_s { + u8 last:1; /* last port identifier flag */ + u8 reserved:7; + u32 pid:24; /* port identifier */ +}; /* GID_FT Response */ + +/** + * RSPN_ID + */ +struct fcgs_rspnid_req_s { + u32 rsvd:8; + u32 dap:24; /* port identifier */ + u8 spn_len; /* symbolic port name length */ + u8 spn[256]; /* symbolic port name */ +}; + +/** + * RPN_ID + */ +struct fcgs_rpnid_req_s { + u32 rsvd:8; + u32 port_id:24; + wwn_t port_name; +}; + +/** + * RNN_ID + */ +struct fcgs_rnnid_req_s { + u32 rsvd:8; + u32 port_id:24; + wwn_t node_name; +}; + +/** + * RCS_ID + */ +struct fcgs_rcsid_req_s { + u32 rsvd:8; + u32 port_id:24; + u32 cos; +}; + +/** + * RPT_ID + */ +struct fcgs_rptid_req_s { + u32 rsvd:8; + u32 port_id:24; + u32 port_type:8; + u32 rsvd1:24; +}; + +/** + * GA_NXT Request + */ +struct fcgs_ganxt_req_s { + u32 rsvd:8; + u32 port_id:24; +}; + +/** + * GA_NXT Response + */ +struct fcgs_ganxt_rsp_s { + u32 port_type:8; /* Port Type */ + u32 port_id:24; /* Port Identifier */ + wwn_t port_name; /* Port Name */ + u8 spn_len; /* Length of Symbolic Port Name */ + char spn[255]; /* Symbolic Port Name */ + wwn_t node_name; /* Node Name */ + u8 snn_len; /* Length of Symbolic Node Name */ + char snn[255]; /* Symbolic Node Name */ + u8 ipa[8]; /* Initial Process Associator */ + u8 ip[16]; /* IP Address */ + u32 cos; /* Class of Service */ + u32 fc4types[8]; /* FC-4 TYPEs */ + wwn_t fabric_port_name; + /* Fabric Port Name */ + u32 rsvd:8; /* Reserved */ + u32 hard_addr:24; /* Hard Address */ +}; + +/* + * Fabric Config Server + */ + +/* + * Command codes for Fabric Configuration Server + */ +enum { + GS_FC_GFN_CMD = 0x0114, /* GS FC Get Fabric Name */ + GS_FC_GMAL_CMD = 0x0116, /* GS FC GMAL */ + GS_FC_TRACE_CMD = 0x0400, /* GS FC Trace Route */ + GS_FC_PING_CMD = 0x0401, /* GS FC Ping */ +}; + +/* + * Source or Destination Port Tags. + */ +enum { + GS_FTRACE_TAG_NPORT_ID = 1, + GS_FTRACE_TAG_NPORT_NAME = 2, +}; + +/* +* Port Value : Could be a Port id or wwn + */ +union fcgs_port_val_u { + u32 nport_id; + wwn_t nport_wwn; +}; + +#define GS_FTRACE_MAX_HOP_COUNT 20 +#define GS_FTRACE_REVISION 1 + +/* + * Ftrace Related Structures. + */ + +/* + * STR (Switch Trace) Reject Reason Codes. From FC-SW. + */ +enum { + GS_FTRACE_STR_CMD_COMPLETED_SUCC = 0, + GS_FTRACE_STR_CMD_NOT_SUPP_IN_NEXT_SWITCH, + GS_FTRACE_STR_NO_RESP_FROM_NEXT_SWITCH, + GS_FTRACE_STR_MAX_HOP_CNT_REACHED, + GS_FTRACE_STR_SRC_PORT_NOT_FOUND, + GS_FTRACE_STR_DST_PORT_NOT_FOUND, + GS_FTRACE_STR_DEVICES_NOT_IN_COMMON_ZONE, + GS_FTRACE_STR_NO_ROUTE_BW_PORTS, + GS_FTRACE_STR_NO_ADDL_EXPLN, + GS_FTRACE_STR_FABRIC_BUSY, + GS_FTRACE_STR_FABRIC_BUILD_IN_PROGRESS, + GS_FTRACE_STR_VENDOR_SPECIFIC_ERR_START = 0xf0, + GS_FTRACE_STR_VENDOR_SPECIFIC_ERR_END = 0xff, +}; + +/* + * Ftrace Request + */ +struct fcgs_ftrace_req_s { + u32 revision; + u16 src_port_tag; /* Source Port tag */ + u16 src_port_len; /* Source Port len */ + union fcgs_port_val_u src_port_val; /* Source Port value */ + u16 dst_port_tag; /* Destination Port tag */ + u16 dst_port_len; /* Destination Port len */ + union fcgs_port_val_u dst_port_val; /* Destination Port value */ + u32 token; + u8 vendor_id[8]; /* T10 Vendor Identifier */ + u8 vendor_info[8]; /* Vendor specific Info */ + u32 max_hop_cnt; /* Max Hop Count */ +}; + +/* + * Path info structure + */ +struct fcgs_ftrace_path_info_s { + wwn_t switch_name; /* Switch WWN */ + u32 domain_id; + wwn_t ingress_port_name; /* Ingress ports wwn */ + u32 ingress_phys_port_num; /* Ingress ports physical port + * number + */ + wwn_t egress_port_name; /* Ingress ports wwn */ + u32 egress_phys_port_num; /* Ingress ports physical port + * number + */ +}; + +/* + * Ftrace Acc Response + */ +struct fcgs_ftrace_resp_s { + u32 revision; + u32 token; + u8 vendor_id[8]; /* T10 Vendor Identifier */ + u8 vendor_info[8]; /* Vendor specific Info */ + u32 str_rej_reason_code; /* STR Reject Reason Code */ + u32 num_path_info_entries; /* No. of path info entries */ + /* + * path info entry/entries. + */ + struct fcgs_ftrace_path_info_s path_info[1]; + +}; + +/* +* Fabric Config Server : FCPing + */ + +/* + * FC Ping Request + */ +struct fcgs_fcping_req_s { + u32 revision; + u16 port_tag; + u16 port_len; /* Port len */ + union fcgs_port_val_u port_val; /* Port value */ + u32 token; +}; + +/* + * FC Ping Response + */ +struct fcgs_fcping_resp_s { + u32 token; +}; + +/* + * Command codes for zone server query. + */ +enum { + ZS_GZME = 0x0124, /* Get zone member extended */ +}; + +/* + * ZS GZME request + */ +#define ZS_GZME_ZNAMELEN 32 +struct zs_gzme_req_s { + u8 znamelen; + u8 rsvd[3]; + u8 zname[ZS_GZME_ZNAMELEN]; +}; + +enum zs_mbr_type { + ZS_MBR_TYPE_PWWN = 1, + ZS_MBR_TYPE_DOMPORT = 2, + ZS_MBR_TYPE_PORTID = 3, + ZS_MBR_TYPE_NWWN = 4, +}; + +struct zs_mbr_wwn_s { + u8 mbr_type; + u8 rsvd[3]; + wwn_t wwn; +}; + +struct zs_query_resp_s { + u32 nmbrs; /* number of zone members */ + struct zs_mbr_wwn_s mbr[1]; +}; + +/* + * GMAL Command ( Get ( interconnect Element) Management Address List) + * To retrieve the IP Address of a Switch. + */ + +#define CT_GMAL_RESP_PREFIX_TELNET "telnet://" +#define CT_GMAL_RESP_PREFIX_HTTP "http://" + +/* GMAL/GFN request */ +struct fcgs_req_s { + wwn_t wwn; /* PWWN/NWWN */ +}; + +#define fcgs_gmal_req_t struct fcgs_req_s +#define fcgs_gfn_req_t struct fcgs_req_s + +/* Accept Response to GMAL */ +struct fcgs_gmal_resp_s { + u32 ms_len; /* Num of entries */ + u8 ms_ma[256]; +}; + +struct fcgs_gmal_entry_s { + u8 len; + u8 prefix[7]; /* like "http://" */ + u8 ip_addr[248]; +}; + +/* + * FDMI + */ +/* + * FDMI Command Codes + */ +#define FDMI_GRHL 0x0100 +#define FDMI_GHAT 0x0101 +#define FDMI_GRPL 0x0102 +#define FDMI_GPAT 0x0110 +#define FDMI_RHBA 0x0200 +#define FDMI_RHAT 0x0201 +#define FDMI_RPRT 0x0210 +#define FDMI_RPA 0x0211 +#define FDMI_DHBA 0x0300 +#define FDMI_DPRT 0x0310 + +/* + * FDMI reason codes + */ +#define FDMI_NO_ADDITIONAL_EXP 0x00 +#define FDMI_HBA_ALREADY_REG 0x10 +#define FDMI_HBA_ATTRIB_NOT_REG 0x11 +#define FDMI_HBA_ATTRIB_MULTIPLE 0x12 +#define FDMI_HBA_ATTRIB_LENGTH_INVALID 0x13 +#define FDMI_HBA_ATTRIB_NOT_PRESENT 0x14 +#define FDMI_PORT_ORIG_NOT_IN_LIST 0x15 +#define FDMI_PORT_HBA_NOT_IN_LIST 0x16 +#define FDMI_PORT_ATTRIB_NOT_REG 0x20 +#define FDMI_PORT_NOT_REG 0x21 +#define FDMI_PORT_ATTRIB_MULTIPLE 0x22 +#define FDMI_PORT_ATTRIB_LENGTH_INVALID 0x23 +#define FDMI_PORT_ALREADY_REGISTEREED 0x24 + +/* + * FDMI Transmission Speed Mask values + */ +#define FDMI_TRANS_SPEED_1G 0x00000001 +#define FDMI_TRANS_SPEED_2G 0x00000002 +#define FDMI_TRANS_SPEED_10G 0x00000004 +#define FDMI_TRANS_SPEED_4G 0x00000008 +#define FDMI_TRANS_SPEED_8G 0x00000010 +#define FDMI_TRANS_SPEED_16G 0x00000020 +#define FDMI_TRANS_SPEED_UNKNOWN 0x00008000 + +/* + * FDMI HBA attribute types + */ +enum fdmi_hba_attribute_type { + FDMI_HBA_ATTRIB_NODENAME = 1, /* 0x0001 */ + FDMI_HBA_ATTRIB_MANUFACTURER, /* 0x0002 */ + FDMI_HBA_ATTRIB_SERIALNUM, /* 0x0003 */ + FDMI_HBA_ATTRIB_MODEL, /* 0x0004 */ + FDMI_HBA_ATTRIB_MODEL_DESC, /* 0x0005 */ + FDMI_HBA_ATTRIB_HW_VERSION, /* 0x0006 */ + FDMI_HBA_ATTRIB_DRIVER_VERSION, /* 0x0007 */ + FDMI_HBA_ATTRIB_ROM_VERSION, /* 0x0008 */ + FDMI_HBA_ATTRIB_FW_VERSION, /* 0x0009 */ + FDMI_HBA_ATTRIB_OS_NAME, /* 0x000A */ + FDMI_HBA_ATTRIB_MAX_CT, /* 0x000B */ + + FDMI_HBA_ATTRIB_MAX_TYPE +}; + +/* + * FDMI Port attribute types + */ +enum fdmi_port_attribute_type { + FDMI_PORT_ATTRIB_FC4_TYPES = 1, /* 0x0001 */ + FDMI_PORT_ATTRIB_SUPP_SPEED, /* 0x0002 */ + FDMI_PORT_ATTRIB_PORT_SPEED, /* 0x0003 */ + FDMI_PORT_ATTRIB_FRAME_SIZE, /* 0x0004 */ + FDMI_PORT_ATTRIB_DEV_NAME, /* 0x0005 */ + FDMI_PORT_ATTRIB_HOST_NAME, /* 0x0006 */ + + FDMI_PORT_ATTR_MAX_TYPE +}; + +/* + * FDMI attribute + */ +struct fdmi_attr_s { + u16 type; + u16 len; + u8 value[1]; +}; + +/* + * HBA Attribute Block + */ +struct fdmi_hba_attr_s { + u32 attr_count; /* # of attributes */ + struct fdmi_attr_s hba_attr; /* n attributes */ +}; + +/* + * Registered Port List + */ +struct fdmi_port_list_s { + u32 num_ports; /* number Of Port Entries */ + wwn_t port_entry; /* one or more */ +}; + +/* + * Port Attribute Block + */ +struct fdmi_port_attr_s { + u32 attr_count; /* # of attributes */ + struct fdmi_attr_s port_attr; /* n attributes */ +}; + +/* + * FDMI Register HBA Attributes + */ +struct fdmi_rhba_s { + wwn_t hba_id; /* HBA Identifier */ + struct fdmi_port_list_s port_list; /* Registered Port List */ + struct fdmi_hba_attr_s hba_attr_blk; /* HBA attribute block */ +}; + +/* + * FDMI Register Port + */ +struct fdmi_rprt_s { + wwn_t hba_id; /* HBA Identifier */ + wwn_t port_name; /* Port wwn */ + struct fdmi_port_attr_s port_attr_blk; /* Port Attr Block */ +}; + +/* + * FDMI Register Port Attributes + */ +struct fdmi_rpa_s { + wwn_t port_name; /* port wwn */ + struct fdmi_port_attr_s port_attr_blk; /* Port Attr Block */ +}; + +#pragma pack() + +#endif /* __BFA_FC_H__ */ diff --git a/drivers/scsi/bfa/fcbuild.c b/drivers/scsi/bfa/bfa_fcbuild.c index fee5456451cb..b7d2657ca82a 100644 --- a/drivers/scsi/bfa/fcbuild.c +++ b/drivers/scsi/bfa/bfa_fcbuild.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. * All rights reserved * www.brocade.com * @@ -18,25 +18,25 @@ * fcbuild.c - FC link service frame building and parsing routines */ -#include <bfa_os_inc.h> -#include "fcbuild.h" +#include "bfa_os_inc.h" +#include "bfa_fcbuild.h" /* * static build functions */ -static void fc_els_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, - u16 ox_id); -static void fc_bls_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, - u16 ox_id); -static struct fchs_s fc_els_req_tmpl; -static struct fchs_s fc_els_rsp_tmpl; -static struct fchs_s fc_bls_req_tmpl; -static struct fchs_s fc_bls_rsp_tmpl; +static void fc_els_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id); +static void fc_bls_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id); +static struct fchs_s fc_els_req_tmpl; +static struct fchs_s fc_els_rsp_tmpl; +static struct fchs_s fc_bls_req_tmpl; +static struct fchs_s fc_bls_rsp_tmpl; static struct fc_ba_acc_s ba_acc_tmpl; static struct fc_logi_s plogi_tmpl; static struct fc_prli_s prli_tmpl; static struct fc_rrq_s rrq_tmpl; -static struct fchs_s fcp_fchs_tmpl; +static struct fchs_s fcp_fchs_tmpl; void fcbuild_init(void) @@ -123,7 +123,7 @@ fcbuild_init(void) rrq_tmpl.els_cmd.els_code = FC_ELS_RRQ; /* - * fcp_fchs_tmpl + * fcp_struct fchs_s mpl */ fcp_fchs_tmpl.routing = FC_RTG_FC4_DEV_DATA; fcp_fchs_tmpl.cat_info = FC_CAT_UNSOLICIT_CMD; @@ -135,8 +135,7 @@ fcbuild_init(void) } static void -fc_gs_fchdr_build(struct fchs_s *fchs, u32 d_id, u32 s_id, - u32 ox_id) +fc_gs_fchdr_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u32 ox_id) { bfa_os_memset(fchs, 0, sizeof(struct fchs_s)); @@ -158,8 +157,7 @@ fc_gs_fchdr_build(struct fchs_s *fchs, u32 d_id, u32 s_id, } void -fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id, - u16 ox_id) +fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id) { bfa_os_memcpy(fchs, &fc_els_req_tmpl, sizeof(struct fchs_s)); fchs->d_id = (d_id); @@ -168,8 +166,7 @@ fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id, } static void -fc_els_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, - u16 ox_id) +fc_els_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id) { bfa_os_memcpy(fchs, &fc_els_rsp_tmpl, sizeof(struct fchs_s)); fchs->d_id = d_id; @@ -180,8 +177,8 @@ fc_els_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, enum fc_parse_status fc_els_rsp_parse(struct fchs_s *fchs, int len) { - struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); - struct fc_ls_rjt_s *ls_rjt = (struct fc_ls_rjt_s *) els_cmd; + struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + struct fc_ls_rjt_s *ls_rjt = (struct fc_ls_rjt_s *) els_cmd; len = len; @@ -199,8 +196,7 @@ fc_els_rsp_parse(struct fchs_s *fchs, int len) } static void -fc_bls_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, - u16 ox_id) +fc_bls_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id) { bfa_os_memcpy(fchs, &fc_bls_rsp_tmpl, sizeof(struct fchs_s)); fchs->d_id = d_id; @@ -213,7 +209,7 @@ fc_plogi_x_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id, u16 ox_id, wwn_t port_name, wwn_t node_name, u16 pdu_size, u8 els_code) { - struct fc_logi_s *plogi = (struct fc_logi_s *) (pld); + struct fc_logi_s *plogi = (struct fc_logi_s *) (pld); bfa_os_memcpy(plogi, &plogi_tmpl, sizeof(struct fc_logi_s)); @@ -233,12 +229,11 @@ fc_plogi_x_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id, u16 fc_flogi_build(struct fchs_s *fchs, struct fc_logi_s *flogi, u32 s_id, - u16 ox_id, wwn_t port_name, wwn_t node_name, - u16 pdu_size, u8 set_npiv, u8 set_auth, - u16 local_bb_credits) + u16 ox_id, wwn_t port_name, wwn_t node_name, u16 pdu_size, + u8 set_npiv, u8 set_auth, u16 local_bb_credits) { u32 d_id = bfa_os_hton3b(FC_FABRIC_PORT); - u32 *vvl_info; + u32 *vvl_info; bfa_os_memcpy(flogi, &plogi_tmpl, sizeof(struct fc_logi_s)); @@ -292,8 +287,7 @@ fc_flogi_acc_build(struct fchs_s *fchs, struct fc_logi_s *flogi, u32 s_id, u16 fc_fdisc_build(struct fchs_s *fchs, struct fc_logi_s *flogi, u32 s_id, - u16 ox_id, wwn_t port_name, wwn_t node_name, - u16 pdu_size) + u16 ox_id, wwn_t port_name, wwn_t node_name, u16 pdu_size) { u32 d_id = bfa_os_hton3b(FC_FABRIC_PORT); @@ -330,9 +324,9 @@ fc_plogi_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id, enum fc_parse_status fc_plogi_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name) { - struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); - struct fc_logi_s *plogi; - struct fc_ls_rjt_s *ls_rjt; + struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + struct fc_logi_s *plogi; + struct fc_ls_rjt_s *ls_rjt; switch (els_cmd->els_code) { case FC_ELS_LS_RJT: @@ -364,7 +358,7 @@ fc_plogi_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name) enum fc_parse_status fc_plogi_parse(struct fchs_s *fchs) { - struct fc_logi_s *plogi = (struct fc_logi_s *) (fchs + 1); + struct fc_logi_s *plogi = (struct fc_logi_s *) (fchs + 1); if (plogi->class3.class_valid != 1) return FC_PARSE_FAILURE; @@ -381,7 +375,7 @@ u16 fc_prli_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id, u16 ox_id) { - struct fc_prli_s *prli = (struct fc_prli_s *) (pld); + struct fc_prli_s *prli = (struct fc_prli_s *) (pld); fc_els_req_build(fchs, d_id, s_id, ox_id); bfa_os_memcpy(prli, &prli_tmpl, sizeof(struct fc_prli_s)); @@ -398,19 +392,16 @@ fc_prli_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id, u16 fc_prli_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id, - u16 ox_id, enum bfa_port_role role) + u16 ox_id, enum bfa_lport_role role) { - struct fc_prli_s *prli = (struct fc_prli_s *) (pld); + struct fc_prli_s *prli = (struct fc_prli_s *) (pld); fc_els_rsp_build(fchs, d_id, s_id, ox_id); bfa_os_memcpy(prli, &prli_tmpl, sizeof(struct fc_prli_s)); prli->command = FC_ELS_ACC; - if ((role & BFA_PORT_ROLE_FCP_TM) == BFA_PORT_ROLE_FCP_TM) - prli->parampage.servparams.target = 1; - else - prli->parampage.servparams.initiator = 1; + prli->parampage.servparams.initiator = 1; prli->parampage.rspcode = FC_PRLI_ACC_XQTD; @@ -452,12 +443,12 @@ fc_prli_parse(struct fc_prli_s *prli) } u16 -fc_logo_build(struct fchs_s *fchs, struct fc_logo_s *logo, u32 d_id, - u32 s_id, u16 ox_id, wwn_t port_name) +fc_logo_build(struct fchs_s *fchs, struct fc_logo_s *logo, u32 d_id, u32 s_id, + u16 ox_id, wwn_t port_name) { fc_els_req_build(fchs, d_id, s_id, ox_id); - memset(logo, '\0', sizeof(struct fc_logo_s)); + bfa_os_memset(logo, '\0', sizeof(struct fc_logo_s)); logo->els_cmd.els_code = FC_ELS_LOGO; logo->nport_id = (s_id); logo->orig_port_name = port_name; @@ -470,7 +461,7 @@ fc_adisc_x_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, u32 d_id, u32 s_id, u16 ox_id, wwn_t port_name, wwn_t node_name, u8 els_code) { - memset(adisc, '\0', sizeof(struct fc_adisc_s)); + bfa_os_memset(adisc, '\0', sizeof(struct fc_adisc_s)); adisc->els_cmd.els_code = els_code; @@ -489,8 +480,7 @@ fc_adisc_x_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, u32 d_id, u16 fc_adisc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, u32 d_id, - u32 s_id, u16 ox_id, wwn_t port_name, - wwn_t node_name) + u32 s_id, u16 ox_id, wwn_t port_name, wwn_t node_name) { return fc_adisc_x_build(fchs, adisc, d_id, s_id, ox_id, port_name, node_name, FC_ELS_ADISC); @@ -523,10 +513,10 @@ fc_adisc_rsp_parse(struct fc_adisc_s *adisc, int len, wwn_t port_name, } enum fc_parse_status -fc_adisc_parse(struct fchs_s *fchs, void *pld, u32 host_dap, - wwn_t node_name, wwn_t port_name) +fc_adisc_parse(struct fchs_s *fchs, void *pld, u32 host_dap, wwn_t node_name, + wwn_t port_name) { - struct fc_adisc_s *adisc = (struct fc_adisc_s *) pld; + struct fc_adisc_s *adisc = (struct fc_adisc_s *) pld; if (adisc->els_cmd.els_code != FC_ELS_ACC) return FC_PARSE_FAILURE; @@ -542,13 +532,13 @@ fc_adisc_parse(struct fchs_s *fchs, void *pld, u32 host_dap, enum fc_parse_status fc_pdisc_parse(struct fchs_s *fchs, wwn_t node_name, wwn_t port_name) { - struct fc_logi_s *pdisc = (struct fc_logi_s *) (fchs + 1); + struct fc_logi_s *pdisc = (struct fc_logi_s *) (fchs + 1); if (pdisc->class3.class_valid != 1) return FC_PARSE_FAILURE; if ((bfa_os_ntohs(pdisc->class3.rxsz) < - (FC_MIN_PDUSZ - sizeof(struct fchs_s))) + (FC_MIN_PDUSZ - sizeof(struct fchs_s))) || (pdisc->class3.rxsz == 0)) return FC_PARSE_FAILURE; @@ -584,8 +574,8 @@ fc_abts_rsp_parse(struct fchs_s *fchs, int len) } u16 -fc_rrq_build(struct fchs_s *fchs, struct fc_rrq_s *rrq, u32 d_id, - u32 s_id, u16 ox_id, u16 rrq_oxid) +fc_rrq_build(struct fchs_s *fchs, struct fc_rrq_s *rrq, u32 d_id, u32 s_id, + u16 ox_id, u16 rrq_oxid) { fc_els_req_build(fchs, d_id, s_id, ox_id); @@ -604,11 +594,11 @@ u16 fc_logo_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id, u16 ox_id) { - struct fc_els_cmd_s *acc = pld; + struct fc_els_cmd_s *acc = pld; fc_els_rsp_build(fchs, d_id, s_id, ox_id); - memset(acc, 0, sizeof(struct fc_els_cmd_s)); + bfa_os_memset(acc, 0, sizeof(struct fc_els_cmd_s)); acc->els_code = FC_ELS_ACC; return sizeof(struct fc_els_cmd_s); @@ -620,7 +610,7 @@ fc_ls_rjt_build(struct fchs_s *fchs, struct fc_ls_rjt_s *ls_rjt, u32 d_id, u8 reason_code_expl) { fc_els_rsp_build(fchs, d_id, s_id, ox_id); - memset(ls_rjt, 0, sizeof(struct fc_ls_rjt_s)); + bfa_os_memset(ls_rjt, 0, sizeof(struct fc_ls_rjt_s)); ls_rjt->els_cmd.els_code = FC_ELS_LS_RJT; ls_rjt->reason_code = reason_code; @@ -647,11 +637,11 @@ fc_ba_acc_build(struct fchs_s *fchs, struct fc_ba_acc_s *ba_acc, u32 d_id, } u16 -fc_ls_acc_build(struct fchs_s *fchs, struct fc_els_cmd_s *els_cmd, - u32 d_id, u32 s_id, u16 ox_id) +fc_ls_acc_build(struct fchs_s *fchs, struct fc_els_cmd_s *els_cmd, u32 d_id, + u32 s_id, u16 ox_id) { fc_els_rsp_build(fchs, d_id, s_id, ox_id); - memset(els_cmd, 0, sizeof(struct fc_els_cmd_s)); + bfa_os_memset(els_cmd, 0, sizeof(struct fc_els_cmd_s)); els_cmd->els_code = FC_ELS_ACC; return sizeof(struct fc_els_cmd_s); @@ -661,8 +651,8 @@ int fc_logout_params_pages(struct fchs_s *fc_frame, u8 els_code) { int num_pages = 0; - struct fc_prlo_s *prlo; - struct fc_tprlo_s *tprlo; + struct fc_prlo_s *prlo; + struct fc_tprlo_s *tprlo; if (els_code == FC_ELS_PRLO) { prlo = (struct fc_prlo_s *) (fc_frame + 1); @@ -676,14 +666,13 @@ fc_logout_params_pages(struct fchs_s *fc_frame, u8 els_code) u16 fc_tprlo_acc_build(struct fchs_s *fchs, struct fc_tprlo_acc_s *tprlo_acc, - u32 d_id, u32 s_id, u16 ox_id, - int num_pages) + u32 d_id, u32 s_id, u16 ox_id, int num_pages) { int page; fc_els_rsp_build(fchs, d_id, s_id, ox_id); - memset(tprlo_acc, 0, (num_pages * 16) + 4); + bfa_os_memset(tprlo_acc, 0, (num_pages * 16) + 4); tprlo_acc->command = FC_ELS_ACC; tprlo_acc->page_len = 0x10; @@ -700,15 +689,14 @@ fc_tprlo_acc_build(struct fchs_s *fchs, struct fc_tprlo_acc_s *tprlo_acc, } u16 -fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc, - u32 d_id, u32 s_id, u16 ox_id, - int num_pages) +fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc, u32 d_id, + u32 s_id, u16 ox_id, int num_pages) { int page; fc_els_rsp_build(fchs, d_id, s_id, ox_id); - memset(prlo_acc, 0, (num_pages * 16) + 4); + bfa_os_memset(prlo_acc, 0, (num_pages * 16) + 4); prlo_acc->command = FC_ELS_ACC; prlo_acc->page_len = 0x10; prlo_acc->payload_len = bfa_os_htons((num_pages * 16) + 4); @@ -726,11 +714,11 @@ fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc, u16 fc_rnid_build(struct fchs_s *fchs, struct fc_rnid_cmd_s *rnid, u32 d_id, - u32 s_id, u16 ox_id, u32 data_format) + u32 s_id, u16 ox_id, u32 data_format) { fc_els_req_build(fchs, d_id, s_id, ox_id); - memset(rnid, 0, sizeof(struct fc_rnid_cmd_s)); + bfa_os_memset(rnid, 0, sizeof(struct fc_rnid_cmd_s)); rnid->els_cmd.els_code = FC_ELS_RNID; rnid->node_id_data_format = data_format; @@ -739,13 +727,12 @@ fc_rnid_build(struct fchs_s *fchs, struct fc_rnid_cmd_s *rnid, u32 d_id, } u16 -fc_rnid_acc_build(struct fchs_s *fchs, struct fc_rnid_acc_s *rnid_acc, - u32 d_id, u32 s_id, u16 ox_id, - u32 data_format, - struct fc_rnid_common_id_data_s *common_id_data, - struct fc_rnid_general_topology_data_s *gen_topo_data) +fc_rnid_acc_build(struct fchs_s *fchs, struct fc_rnid_acc_s *rnid_acc, u32 d_id, + u32 s_id, u16 ox_id, u32 data_format, + struct fc_rnid_common_id_data_s *common_id_data, + struct fc_rnid_general_topology_data_s *gen_topo_data) { - memset(rnid_acc, 0, sizeof(struct fc_rnid_acc_s)); + bfa_os_memset(rnid_acc, 0, sizeof(struct fc_rnid_acc_s)); fc_els_rsp_build(fchs, d_id, s_id, ox_id); @@ -769,27 +756,26 @@ fc_rnid_acc_build(struct fchs_s *fchs, struct fc_rnid_acc_s *rnid_acc, u16 fc_rpsc_build(struct fchs_s *fchs, struct fc_rpsc_cmd_s *rpsc, u32 d_id, - u32 s_id, u16 ox_id) + u32 s_id, u16 ox_id) { fc_els_req_build(fchs, d_id, s_id, ox_id); - memset(rpsc, 0, sizeof(struct fc_rpsc_cmd_s)); + bfa_os_memset(rpsc, 0, sizeof(struct fc_rpsc_cmd_s)); rpsc->els_cmd.els_code = FC_ELS_RPSC; return sizeof(struct fc_rpsc_cmd_s); } u16 -fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rpsc2, - u32 d_id, u32 s_id, u32 *pid_list, - u16 npids) +fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rpsc2, u32 d_id, + u32 s_id, u32 *pid_list, u16 npids) { u32 dctlr_id = FC_DOMAIN_CTRLR(bfa_os_hton3b(d_id)); int i = 0; fc_els_req_build(fchs, bfa_os_hton3b(dctlr_id), s_id, 0); - memset(rpsc2, 0, sizeof(struct fc_rpsc2_cmd_s)); + bfa_os_memset(rpsc2, 0, sizeof(struct fc_rpsc2_cmd_s)); rpsc2->els_cmd.els_code = FC_ELS_RPSC; rpsc2->token = bfa_os_htonl(FC_BRCD_TOKEN); @@ -797,16 +783,15 @@ fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rpsc2, for (i = 0; i < npids; i++) rpsc2->pid_list[i].pid = pid_list[i]; - return sizeof(struct fc_rpsc2_cmd_s) + ((npids - 1) * - (sizeof(u32))); + return sizeof(struct fc_rpsc2_cmd_s) + ((npids - 1) * (sizeof(u32))); } u16 fc_rpsc_acc_build(struct fchs_s *fchs, struct fc_rpsc_acc_s *rpsc_acc, - u32 d_id, u32 s_id, u16 ox_id, - struct fc_rpsc_speed_info_s *oper_speed) + u32 d_id, u32 s_id, u16 ox_id, + struct fc_rpsc_speed_info_s *oper_speed) { - memset(rpsc_acc, 0, sizeof(struct fc_rpsc_acc_s)); + bfa_os_memset(rpsc_acc, 0, sizeof(struct fc_rpsc_acc_s)); fc_els_rsp_build(fchs, d_id, s_id, ox_id); @@ -820,7 +805,6 @@ fc_rpsc_acc_build(struct fchs_s *fchs, struct fc_rpsc_acc_s *rpsc_acc, bfa_os_htons(oper_speed->port_op_speed); return sizeof(struct fc_rpsc_acc_s); - } /* @@ -831,7 +815,7 @@ fc_rpsc_acc_build(struct fchs_s *fchs, struct fc_rpsc_acc_s *rpsc_acc, u16 fc_logo_rsp_parse(struct fchs_s *fchs, int len) { - struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); len = len; if (els_cmd->els_code != FC_ELS_ACC) @@ -841,11 +825,10 @@ fc_logo_rsp_parse(struct fchs_s *fchs, int len) } u16 -fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id, - u16 ox_id, wwn_t port_name, wwn_t node_name, - u16 pdu_size) +fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id, + wwn_t port_name, wwn_t node_name, u16 pdu_size) { - struct fc_logi_s *pdisc = (struct fc_logi_s *) (fchs + 1); + struct fc_logi_s *pdisc = (struct fc_logi_s *) (fchs + 1); bfa_os_memcpy(pdisc, &plogi_tmpl, sizeof(struct fc_logi_s)); @@ -862,7 +845,7 @@ fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 fc_pdisc_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name) { - struct fc_logi_s *pdisc = (struct fc_logi_s *) (fchs + 1); + struct fc_logi_s *pdisc = (struct fc_logi_s *) (fchs + 1); if (len < sizeof(struct fc_logi_s)) return FC_PARSE_LEN_INVAL; @@ -886,11 +869,11 @@ u16 fc_prlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id, int num_pages) { - struct fc_prlo_s *prlo = (struct fc_prlo_s *) (fchs + 1); + struct fc_prlo_s *prlo = (struct fc_prlo_s *) (fchs + 1); int page; fc_els_req_build(fchs, d_id, s_id, ox_id); - memset(prlo, 0, (num_pages * 16) + 4); + bfa_os_memset(prlo, 0, (num_pages * 16) + 4); prlo->command = FC_ELS_PRLO; prlo->page_len = 0x10; prlo->payload_len = bfa_os_htons((num_pages * 16) + 4); @@ -909,7 +892,7 @@ fc_prlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id, u16 fc_prlo_rsp_parse(struct fchs_s *fchs, int len) { - struct fc_prlo_acc_s *prlo = (struct fc_prlo_acc_s *) (fchs + 1); + struct fc_prlo_acc_s *prlo = (struct fc_prlo_acc_s *) (fchs + 1); int num_pages = 0; int page = 0; @@ -941,15 +924,14 @@ fc_prlo_rsp_parse(struct fchs_s *fchs, int len) } u16 -fc_tprlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, - u16 ox_id, int num_pages, - enum fc_tprlo_type tprlo_type, u32 tpr_id) +fc_tprlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id, + int num_pages, enum fc_tprlo_type tprlo_type, u32 tpr_id) { - struct fc_tprlo_s *tprlo = (struct fc_tprlo_s *) (fchs + 1); + struct fc_tprlo_s *tprlo = (struct fc_tprlo_s *) (fchs + 1); int page; fc_els_req_build(fchs, d_id, s_id, ox_id); - memset(tprlo, 0, (num_pages * 16) + 4); + bfa_os_memset(tprlo, 0, (num_pages * 16) + 4); tprlo->command = FC_ELS_TPRLO; tprlo->page_len = 0x10; tprlo->payload_len = bfa_os_htons((num_pages * 16) + 4); @@ -1003,7 +985,7 @@ fc_tprlo_rsp_parse(struct fchs_s *fchs, int len) enum fc_parse_status fc_rrq_rsp_parse(struct fchs_s *fchs, int len) { - struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); len = len; if (els_cmd->els_code != FC_ELS_ACC) @@ -1013,11 +995,10 @@ fc_rrq_rsp_parse(struct fchs_s *fchs, int len) } u16 -fc_ba_rjt_build(struct fchs_s *fchs, u32 d_id, u32 s_id, - u16 ox_id, u32 reason_code, - u32 reason_expl) +fc_ba_rjt_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id, + u32 reason_code, u32 reason_expl) { - struct fc_ba_rjt_s *ba_rjt = (struct fc_ba_rjt_s *) (fchs + 1); + struct fc_ba_rjt_s *ba_rjt = (struct fc_ba_rjt_s *) (fchs + 1); fc_bls_rsp_build(fchs, d_id, s_id, ox_id); @@ -1062,10 +1043,8 @@ u16 fc_gidpn_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, wwn_t port_name) { - - struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; - struct fcgs_gidpn_req_s *gidpn = - (struct fcgs_gidpn_req_s *) (cthdr + 1); + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_gidpn_req_s *gidpn = (struct fcgs_gidpn_req_s *)(cthdr + 1); u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); fc_gs_fchdr_build(fchs, d_id, s_id, ox_id); @@ -1080,8 +1059,7 @@ u16 fc_gpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, u32 port_id) { - - struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; fcgs_gpnid_req_t *gpnid = (fcgs_gpnid_req_t *) (cthdr + 1); u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); @@ -1097,8 +1075,7 @@ u16 fc_gnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, u32 port_id) { - - struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; fcgs_gnnid_req_t *gnnid = (fcgs_gnnid_req_t *) (cthdr + 1); u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); @@ -1124,8 +1101,8 @@ fc_ct_rsp_parse(struct ct_hdr_s *cthdr) } u16 -fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr, u8 set_br_reg, - u32 s_id, u16 ox_id) +fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr, + u8 set_br_reg, u32 s_id, u16 ox_id) { u32 d_id = bfa_os_hton3b(FC_FABRIC_CONTROLLER); @@ -1141,8 +1118,8 @@ fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr, u8 set_br_reg, } u16 -fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn, u32 s_id, - u16 ox_id) +fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn, + u32 s_id, u16 ox_id) { u32 d_id = bfa_os_hton3b(FC_FABRIC_CONTROLLER); u16 payldlen; @@ -1162,11 +1139,10 @@ fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn, u32 s_id, u16 fc_rftid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, - enum bfa_port_role roles) + enum bfa_lport_role roles) { - struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; - struct fcgs_rftid_req_s *rftid = - (struct fcgs_rftid_req_s *) (cthdr + 1); + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rftid_req_s *rftid = (struct fcgs_rftid_req_s *)(cthdr + 1); u32 type_value, d_id = bfa_os_hton3b(FC_NAME_SERVER); u8 index; @@ -1182,23 +1158,15 @@ fc_rftid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, type_value = 1 << (FC_TYPE_FCP % 32); rftid->fc4_type[index] = bfa_os_htonl(type_value); - if (roles & BFA_PORT_ROLE_FCP_IPFC) { - index = FC_TYPE_IP >> 5; - type_value = 1 << (FC_TYPE_IP % 32); - rftid->fc4_type[index] |= bfa_os_htonl(type_value); - } - return sizeof(struct fcgs_rftid_req_s) + sizeof(struct ct_hdr_s); } u16 -fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id, - u16 ox_id, u8 *fc4_bitmap, - u32 bitmap_size) +fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, + u8 *fc4_bitmap, u32 bitmap_size) { - struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; - struct fcgs_rftid_req_s *rftid = - (struct fcgs_rftid_req_s *) (cthdr + 1); + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rftid_req_s *rftid = (struct fcgs_rftid_req_s *)(cthdr + 1); u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); fc_gs_fchdr_build(fchs, d_id, s_id, ox_id); @@ -1208,7 +1176,7 @@ fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id, rftid->dap = s_id; bfa_os_memcpy((void *)rftid->fc4_type, (void *)fc4_bitmap, - (bitmap_size < 32 ? bitmap_size : 32)); + (bitmap_size < 32 ? bitmap_size : 32)); return sizeof(struct fcgs_rftid_req_s) + sizeof(struct ct_hdr_s); } @@ -1217,9 +1185,8 @@ u16 fc_rffid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, u8 fc4_type, u8 fc4_ftrs) { - struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; - struct fcgs_rffid_req_s *rffid = - (struct fcgs_rffid_req_s *) (cthdr + 1); + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rffid_req_s *rffid = (struct fcgs_rffid_req_s *)(cthdr + 1); u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); fc_gs_fchdr_build(fchs, d_id, s_id, ox_id); @@ -1227,9 +1194,9 @@ fc_rffid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, bfa_os_memset(rffid, 0, sizeof(struct fcgs_rffid_req_s)); - rffid->dap = s_id; + rffid->dap = s_id; rffid->fc4ftr_bits = fc4_ftrs; - rffid->fc4_type = fc4_type; + rffid->fc4_type = fc4_type; return sizeof(struct fcgs_rffid_req_s) + sizeof(struct ct_hdr_s); } @@ -1239,9 +1206,9 @@ fc_rspnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, u8 *name) { - struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; struct fcgs_rspnid_req_s *rspnid = - (struct fcgs_rspnid_req_s *) (cthdr + 1); + (struct fcgs_rspnid_req_s *)(cthdr + 1); u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); fc_gs_fchdr_build(fchs, d_id, s_id, ox_id); @@ -1257,13 +1224,11 @@ fc_rspnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, } u16 -fc_gid_ft_build(struct fchs_s *fchs, void *pyld, u32 s_id, - u8 fc4_type) +fc_gid_ft_build(struct fchs_s *fchs, void *pyld, u32 s_id, u8 fc4_type) { - struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; - struct fcgs_gidft_req_s *gidft = - (struct fcgs_gidft_req_s *) (cthdr + 1); + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_gidft_req_s *gidft = (struct fcgs_gidft_req_s *)(cthdr + 1); u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); fc_gs_fchdr_build(fchs, d_id, s_id, 0); @@ -1282,9 +1247,8 @@ u16 fc_rpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id, wwn_t port_name) { - struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; - struct fcgs_rpnid_req_s *rpnid = - (struct fcgs_rpnid_req_s *) (cthdr + 1); + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rpnid_req_s *rpnid = (struct fcgs_rpnid_req_s *)(cthdr + 1); u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); fc_gs_fchdr_build(fchs, d_id, s_id, 0); @@ -1301,9 +1265,8 @@ u16 fc_rnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id, wwn_t node_name) { - struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; - struct fcgs_rnnid_req_s *rnnid = - (struct fcgs_rnnid_req_s *) (cthdr + 1); + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rnnid_req_s *rnnid = (struct fcgs_rnnid_req_s *)(cthdr + 1); u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); fc_gs_fchdr_build(fchs, d_id, s_id, 0); @@ -1320,7 +1283,7 @@ u16 fc_rcsid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id, u32 cos) { - struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; struct fcgs_rcsid_req_s *rcsid = (struct fcgs_rcsid_req_s *) (cthdr + 1); u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); @@ -1339,9 +1302,8 @@ u16 fc_rptid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id, u8 port_type) { - struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; - struct fcgs_rptid_req_s *rptid = - (struct fcgs_rptid_req_s *) (cthdr + 1); + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rptid_req_s *rptid = (struct fcgs_rptid_req_s *)(cthdr + 1); u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); fc_gs_fchdr_build(fchs, d_id, s_id, 0); @@ -1357,9 +1319,8 @@ fc_rptid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id, u16 fc_ganxt_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id) { - struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; - struct fcgs_ganxt_req_s *ganxt = - (struct fcgs_ganxt_req_s *) (cthdr + 1); + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_ganxt_req_s *ganxt = (struct fcgs_ganxt_req_s *)(cthdr + 1); u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); fc_gs_fchdr_build(fchs, d_id, s_id, 0); @@ -1379,7 +1340,7 @@ fc_fdmi_reqhdr_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 cmd_code) { - struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; u32 d_id = bfa_os_hton3b(FC_MGMT_SERVER); fc_gs_fchdr_build(fchs, d_id, s_id, 0); @@ -1409,12 +1370,12 @@ fc_get_fc4type_bitmask(u8 fc4_type, u8 *bit_mask) } /* - * GMAL Request + * GMAL Request */ u16 fc_gmal_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn) { - struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; fcgs_gmal_req_t *gmal = (fcgs_gmal_req_t *) (cthdr + 1); u32 d_id = bfa_os_hton3b(FC_MGMT_SERVER); @@ -1434,7 +1395,7 @@ fc_gmal_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn) u16 fc_gfn_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn) { - struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; fcgs_gfn_req_t *gfn = (fcgs_gfn_req_t *) (cthdr + 1); u32 d_id = bfa_os_hton3b(FC_MGMT_SERVER); diff --git a/drivers/scsi/bfa/bfa_fcbuild.h b/drivers/scsi/bfa/bfa_fcbuild.h new file mode 100644 index 000000000000..73abd02e53cc --- /dev/null +++ b/drivers/scsi/bfa/bfa_fcbuild.h @@ -0,0 +1,316 @@ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * fcbuild.h - FC link service frame building and parsing routines + */ + +#ifndef __FCBUILD_H__ +#define __FCBUILD_H__ + +#include "bfa_os_inc.h" +#include "bfa_fc.h" +#include "bfa_defs_fcs.h" + +/* + * Utility Macros/functions + */ + +#define wwn_is_equal(_wwn1, _wwn2) \ + (memcmp(&(_wwn1), &(_wwn2), sizeof(wwn_t)) == 0) + +#define fc_roundup(_l, _s) (((_l) + ((_s) - 1)) & ~((_s) - 1)) + +/* + * Given the fc response length, this routine will return + * the length of the actual payload bytes following the CT header. + * + * Assumes the input response length does not include the crc, eof, etc. + */ +static inline u32 +fc_get_ctresp_pyld_len(u32 resp_len) +{ + return resp_len - sizeof(struct ct_hdr_s); +} + +/* + * Convert bfa speed to rpsc speed value. + */ +static inline enum bfa_port_speed +fc_rpsc_operspeed_to_bfa_speed(enum fc_rpsc_op_speed speed) +{ + switch (speed) { + + case RPSC_OP_SPEED_1G: + return BFA_PORT_SPEED_1GBPS; + + case RPSC_OP_SPEED_2G: + return BFA_PORT_SPEED_2GBPS; + + case RPSC_OP_SPEED_4G: + return BFA_PORT_SPEED_4GBPS; + + case RPSC_OP_SPEED_8G: + return BFA_PORT_SPEED_8GBPS; + + case RPSC_OP_SPEED_10G: + return BFA_PORT_SPEED_10GBPS; + + default: + return BFA_PORT_SPEED_UNKNOWN; + } +} + +/* + * Convert RPSC speed to bfa speed value. + */ +static inline enum fc_rpsc_op_speed +fc_bfa_speed_to_rpsc_operspeed(enum bfa_port_speed op_speed) +{ + switch (op_speed) { + + case BFA_PORT_SPEED_1GBPS: + return RPSC_OP_SPEED_1G; + + case BFA_PORT_SPEED_2GBPS: + return RPSC_OP_SPEED_2G; + + case BFA_PORT_SPEED_4GBPS: + return RPSC_OP_SPEED_4G; + + case BFA_PORT_SPEED_8GBPS: + return RPSC_OP_SPEED_8G; + + case BFA_PORT_SPEED_10GBPS: + return RPSC_OP_SPEED_10G; + + default: + return RPSC_OP_SPEED_NOT_EST; + } +} + +enum fc_parse_status { + FC_PARSE_OK = 0, + FC_PARSE_FAILURE = 1, + FC_PARSE_BUSY = 2, + FC_PARSE_LEN_INVAL, + FC_PARSE_ACC_INVAL, + FC_PARSE_PWWN_NOT_EQUAL, + FC_PARSE_NWWN_NOT_EQUAL, + FC_PARSE_RXSZ_INVAL, + FC_PARSE_NOT_FCP, + FC_PARSE_OPAFLAG_INVAL, + FC_PARSE_RPAFLAG_INVAL, + FC_PARSE_OPA_INVAL, + FC_PARSE_RPA_INVAL, + +}; + +struct fc_templates_s { + struct fchs_s fc_els_req; + struct fchs_s fc_bls_req; + struct fc_logi_s plogi; + struct fc_rrq_s rrq; +}; + +void fcbuild_init(void); + +u16 fc_flogi_build(struct fchs_s *fchs, struct fc_logi_s *flogi, + u32 s_id, u16 ox_id, wwn_t port_name, wwn_t node_name, + u16 pdu_size, u8 set_npiv, u8 set_auth, + u16 local_bb_credits); + +u16 fc_fdisc_build(struct fchs_s *buf, struct fc_logi_s *flogi, u32 s_id, + u16 ox_id, wwn_t port_name, wwn_t node_name, + u16 pdu_size); + +u16 fc_flogi_acc_build(struct fchs_s *fchs, struct fc_logi_s *flogi, + u32 s_id, u16 ox_id, + wwn_t port_name, wwn_t node_name, + u16 pdu_size, + u16 local_bb_credits); + +u16 fc_plogi_build(struct fchs_s *fchs, void *pld, u32 d_id, + u32 s_id, u16 ox_id, wwn_t port_name, + wwn_t node_name, u16 pdu_size); + +enum fc_parse_status fc_plogi_parse(struct fchs_s *fchs); + +u16 fc_abts_build(struct fchs_s *buf, u32 d_id, u32 s_id, + u16 ox_id); + +enum fc_parse_status fc_abts_rsp_parse(struct fchs_s *buf, int len); + +u16 fc_rrq_build(struct fchs_s *buf, struct fc_rrq_s *rrq, u32 d_id, + u32 s_id, u16 ox_id, u16 rrq_oxid); +enum fc_parse_status fc_rrq_rsp_parse(struct fchs_s *buf, int len); + +u16 fc_rspnid_build(struct fchs_s *fchs, void *pld, u32 s_id, + u16 ox_id, u8 *name); + +u16 fc_rftid_build(struct fchs_s *fchs, void *pld, u32 s_id, + u16 ox_id, enum bfa_lport_role role); + +u16 fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id, + u16 ox_id, u8 *fc4_bitmap, + u32 bitmap_size); + +u16 fc_rffid_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u16 ox_id, u8 fc4_type, u8 fc4_ftrs); + +u16 fc_gidpn_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u16 ox_id, wwn_t port_name); + +u16 fc_gpnid_build(struct fchs_s *fchs, void *pld, u32 s_id, + u16 ox_id, u32 port_id); + +u16 fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr, + u8 set_br_reg, u32 s_id, u16 ox_id); + +u16 fc_plogi_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, + u32 s_id, u16 ox_id, + wwn_t port_name, wwn_t node_name, + u16 pdu_size); + +u16 fc_adisc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, + u32 d_id, u32 s_id, u16 ox_id, wwn_t port_name, + wwn_t node_name); + +enum fc_parse_status fc_adisc_parse(struct fchs_s *fchs, void *pld, + u32 host_dap, wwn_t node_name, wwn_t port_name); + +enum fc_parse_status fc_adisc_rsp_parse(struct fc_adisc_s *adisc, int len, + wwn_t port_name, wwn_t node_name); + +u16 fc_adisc_acc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, + u32 d_id, u32 s_id, u16 ox_id, + wwn_t port_name, wwn_t node_name); +u16 fc_ls_rjt_build(struct fchs_s *fchs, struct fc_ls_rjt_s *ls_rjt, + u32 d_id, u32 s_id, u16 ox_id, + u8 reason_code, u8 reason_code_expl); +u16 fc_ls_acc_build(struct fchs_s *fchs, struct fc_els_cmd_s *els_cmd, + u32 d_id, u32 s_id, u16 ox_id); +u16 fc_prli_build(struct fchs_s *fchs, void *pld, u32 d_id, + u32 s_id, u16 ox_id); + +enum fc_parse_status fc_prli_rsp_parse(struct fc_prli_s *prli, int len); + +u16 fc_prli_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, + u32 s_id, u16 ox_id, + enum bfa_lport_role role); + +u16 fc_rnid_build(struct fchs_s *fchs, struct fc_rnid_cmd_s *rnid, + u32 d_id, u32 s_id, u16 ox_id, + u32 data_format); + +u16 fc_rnid_acc_build(struct fchs_s *fchs, + struct fc_rnid_acc_s *rnid_acc, u32 d_id, u32 s_id, + u16 ox_id, u32 data_format, + struct fc_rnid_common_id_data_s *common_id_data, + struct fc_rnid_general_topology_data_s *gen_topo_data); + +u16 fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rps2c, + u32 d_id, u32 s_id, u32 *pid_list, u16 npids); +u16 fc_rpsc_build(struct fchs_s *fchs, struct fc_rpsc_cmd_s *rpsc, + u32 d_id, u32 s_id, u16 ox_id); +u16 fc_rpsc_acc_build(struct fchs_s *fchs, + struct fc_rpsc_acc_s *rpsc_acc, u32 d_id, u32 s_id, + u16 ox_id, struct fc_rpsc_speed_info_s *oper_speed); +u16 fc_gid_ft_build(struct fchs_s *fchs, void *pld, u32 s_id, + u8 fc4_type); + +u16 fc_rpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u32 port_id, wwn_t port_name); + +u16 fc_rnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u32 port_id, wwn_t node_name); + +u16 fc_rcsid_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u32 port_id, u32 cos); + +u16 fc_rptid_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u32 port_id, u8 port_type); + +u16 fc_ganxt_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u32 port_id); + +u16 fc_logo_build(struct fchs_s *fchs, struct fc_logo_s *logo, u32 d_id, + u32 s_id, u16 ox_id, wwn_t port_name); + +u16 fc_logo_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, + u32 s_id, u16 ox_id); + +u16 fc_fdmi_reqhdr_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u16 cmd_code); +u16 fc_gmal_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn); +u16 fc_gfn_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn); + +void fc_get_fc4type_bitmask(u8 fc4_type, u8 *bit_mask); + +void fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id); + +enum fc_parse_status fc_els_rsp_parse(struct fchs_s *fchs, int len); + +enum fc_parse_status fc_plogi_rsp_parse(struct fchs_s *fchs, int len, + wwn_t port_name); + +enum fc_parse_status fc_prli_parse(struct fc_prli_s *prli); + +enum fc_parse_status fc_pdisc_parse(struct fchs_s *fchs, wwn_t node_name, + wwn_t port_name); + +u16 fc_ba_acc_build(struct fchs_s *fchs, struct fc_ba_acc_s *ba_acc, u32 d_id, + u32 s_id, u16 ox_id, u16 rx_id); + +int fc_logout_params_pages(struct fchs_s *fc_frame, u8 els_code); + +u16 fc_tprlo_acc_build(struct fchs_s *fchs, struct fc_tprlo_acc_s *tprlo_acc, + u32 d_id, u32 s_id, u16 ox_id, int num_pages); + +u16 fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc, + u32 d_id, u32 s_id, u16 ox_id, int num_pages); + +u16 fc_logo_rsp_parse(struct fchs_s *fchs, int len); + +u16 fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id, wwn_t port_name, wwn_t node_name, + u16 pdu_size); + +u16 fc_pdisc_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name); + +u16 fc_prlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id, int num_pages); + +u16 fc_prlo_rsp_parse(struct fchs_s *fchs, int len); + +u16 fc_tprlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id, int num_pages, enum fc_tprlo_type tprlo_type, + u32 tpr_id); + +u16 fc_tprlo_rsp_parse(struct fchs_s *fchs, int len); + +u16 fc_ba_rjt_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id, u32 reason_code, u32 reason_expl); + +u16 fc_gnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, + u32 port_id); + +u16 fc_ct_rsp_parse(struct ct_hdr_s *cthdr); + +u16 fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn, u32 s_id, + u16 ox_id); +#endif diff --git a/drivers/scsi/bfa/bfa_fcpim.c b/drivers/scsi/bfa/bfa_fcpim.c index 8c703d8dc94b..33c8dd51f474 100644 --- a/drivers/scsi/bfa/bfa_fcpim.c +++ b/drivers/scsi/bfa/bfa_fcpim.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. * All rights reserved * www.brocade.com * @@ -15,18 +15,291 @@ * General Public License for more details. */ -#include <bfa.h> -#include <log/bfa_log_hal.h> +#include "bfa_modules.h" +#include "bfa_cb_ioim.h" BFA_TRC_FILE(HAL, FCPIM); BFA_MODULE(fcpim); + +#define bfa_fcpim_add_iostats(__l, __r, __stats) \ + (__l->__stats += __r->__stats) + + +/** + * BFA ITNIM Related definitions + */ +static void bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim); + +#define BFA_ITNIM_FROM_TAG(_fcpim, _tag) \ + (((_fcpim)->itnim_arr + ((_tag) & ((_fcpim)->num_itnims - 1)))) + +#define bfa_fcpim_additn(__itnim) \ + list_add_tail(&(__itnim)->qe, &(__itnim)->fcpim->itnim_q) +#define bfa_fcpim_delitn(__itnim) do { \ + bfa_assert(bfa_q_is_on_q(&(__itnim)->fcpim->itnim_q, __itnim)); \ + bfa_itnim_update_del_itn_stats(__itnim); \ + list_del(&(__itnim)->qe); \ + bfa_assert(list_empty(&(__itnim)->io_q)); \ + bfa_assert(list_empty(&(__itnim)->io_cleanup_q)); \ + bfa_assert(list_empty(&(__itnim)->pending_q)); \ +} while (0) + +#define bfa_itnim_online_cb(__itnim) do { \ + if ((__itnim)->bfa->fcs) \ + bfa_cb_itnim_online((__itnim)->ditn); \ + else { \ + bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ + __bfa_cb_itnim_online, (__itnim)); \ + } \ +} while (0) + +#define bfa_itnim_offline_cb(__itnim) do { \ + if ((__itnim)->bfa->fcs) \ + bfa_cb_itnim_offline((__itnim)->ditn); \ + else { \ + bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ + __bfa_cb_itnim_offline, (__itnim)); \ + } \ +} while (0) + +#define bfa_itnim_sler_cb(__itnim) do { \ + if ((__itnim)->bfa->fcs) \ + bfa_cb_itnim_sler((__itnim)->ditn); \ + else { \ + bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ + __bfa_cb_itnim_sler, (__itnim)); \ + } \ +} while (0) + +/** + * bfa_itnim_sm BFA itnim state machine + */ + + +enum bfa_itnim_event { + BFA_ITNIM_SM_CREATE = 1, /* itnim is created */ + BFA_ITNIM_SM_ONLINE = 2, /* itnim is online */ + BFA_ITNIM_SM_OFFLINE = 3, /* itnim is offline */ + BFA_ITNIM_SM_FWRSP = 4, /* firmware response */ + BFA_ITNIM_SM_DELETE = 5, /* deleting an existing itnim */ + BFA_ITNIM_SM_CLEANUP = 6, /* IO cleanup completion */ + BFA_ITNIM_SM_SLER = 7, /* second level error recovery */ + BFA_ITNIM_SM_HWFAIL = 8, /* IOC h/w failure event */ + BFA_ITNIM_SM_QRESUME = 9, /* queue space available */ +}; + +/** + * BFA IOIM related definitions + */ +#define bfa_ioim_move_to_comp_q(__ioim) do { \ + list_del(&(__ioim)->qe); \ + list_add_tail(&(__ioim)->qe, &(__ioim)->fcpim->ioim_comp_q); \ +} while (0) + + +#define bfa_ioim_cb_profile_comp(__fcpim, __ioim) do { \ + if ((__fcpim)->profile_comp) \ + (__fcpim)->profile_comp(__ioim); \ +} while (0) + +#define bfa_ioim_cb_profile_start(__fcpim, __ioim) do { \ + if ((__fcpim)->profile_start) \ + (__fcpim)->profile_start(__ioim); \ +} while (0) +/** + * hal_ioim_sm + */ + +/** + * IO state machine events + */ +enum bfa_ioim_event { + BFA_IOIM_SM_START = 1, /* io start request from host */ + BFA_IOIM_SM_COMP_GOOD = 2, /* io good comp, resource free */ + BFA_IOIM_SM_COMP = 3, /* io comp, resource is free */ + BFA_IOIM_SM_COMP_UTAG = 4, /* io comp, resource is free */ + BFA_IOIM_SM_DONE = 5, /* io comp, resource not free */ + BFA_IOIM_SM_FREE = 6, /* io resource is freed */ + BFA_IOIM_SM_ABORT = 7, /* abort request from scsi stack */ + BFA_IOIM_SM_ABORT_COMP = 8, /* abort from f/w */ + BFA_IOIM_SM_ABORT_DONE = 9, /* abort completion from f/w */ + BFA_IOIM_SM_QRESUME = 10, /* CQ space available to queue IO */ + BFA_IOIM_SM_SGALLOCED = 11, /* SG page allocation successful */ + BFA_IOIM_SM_SQRETRY = 12, /* sequence recovery retry */ + BFA_IOIM_SM_HCB = 13, /* bfa callback complete */ + BFA_IOIM_SM_CLEANUP = 14, /* IO cleanup from itnim */ + BFA_IOIM_SM_TMSTART = 15, /* IO cleanup from tskim */ + BFA_IOIM_SM_TMDONE = 16, /* IO cleanup from tskim */ + BFA_IOIM_SM_HWFAIL = 17, /* IOC h/w failure event */ + BFA_IOIM_SM_IOTOV = 18, /* ITN offline TOV */ +}; + + +/** + * BFA TSKIM related definitions + */ + +/** + * task management completion handling + */ +#define bfa_tskim_qcomp(__tskim, __cbfn) do { \ + bfa_cb_queue((__tskim)->bfa, &(__tskim)->hcb_qe, __cbfn, (__tskim));\ + bfa_tskim_notify_comp(__tskim); \ +} while (0) + +#define bfa_tskim_notify_comp(__tskim) do { \ + if ((__tskim)->notify) \ + bfa_itnim_tskdone((__tskim)->itnim); \ +} while (0) + + +enum bfa_tskim_event { + BFA_TSKIM_SM_START = 1, /* TM command start */ + BFA_TSKIM_SM_DONE = 2, /* TM completion */ + BFA_TSKIM_SM_QRESUME = 3, /* resume after qfull */ + BFA_TSKIM_SM_HWFAIL = 5, /* IOC h/w failure event */ + BFA_TSKIM_SM_HCB = 6, /* BFA callback completion */ + BFA_TSKIM_SM_IOS_DONE = 7, /* IO and sub TM completions */ + BFA_TSKIM_SM_CLEANUP = 8, /* TM cleanup on ITN offline */ + BFA_TSKIM_SM_CLEANUP_DONE = 9, /* TM abort completion */ +}; + +/** + * forward declaration for BFA ITNIM functions + */ +static void bfa_itnim_iocdisable_cleanup(struct bfa_itnim_s *itnim); +static bfa_boolean_t bfa_itnim_send_fwcreate(struct bfa_itnim_s *itnim); +static bfa_boolean_t bfa_itnim_send_fwdelete(struct bfa_itnim_s *itnim); +static void bfa_itnim_cleanp_comp(void *itnim_cbarg); +static void bfa_itnim_cleanup(struct bfa_itnim_s *itnim); +static void __bfa_cb_itnim_online(void *cbarg, bfa_boolean_t complete); +static void __bfa_cb_itnim_offline(void *cbarg, bfa_boolean_t complete); +static void __bfa_cb_itnim_sler(void *cbarg, bfa_boolean_t complete); +static void bfa_itnim_iotov_online(struct bfa_itnim_s *itnim); +static void bfa_itnim_iotov_cleanup(struct bfa_itnim_s *itnim); +static void bfa_itnim_iotov(void *itnim_arg); +static void bfa_itnim_iotov_start(struct bfa_itnim_s *itnim); +static void bfa_itnim_iotov_stop(struct bfa_itnim_s *itnim); +static void bfa_itnim_iotov_delete(struct bfa_itnim_s *itnim); + +/** + * forward declaration of ITNIM state machine + */ +static void bfa_itnim_sm_uninit(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_created(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_fwcreate(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_delete_pending(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_online(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_sler(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_cleanup_offline(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_cleanup_delete(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_fwdelete(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_offline(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_iocdisable(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_deleting(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_fwcreate_qfull(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_fwdelete_qfull(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); +static void bfa_itnim_sm_deleting_qfull(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event); + +/** + * forward declaration for BFA IOIM functions + */ +static bfa_boolean_t bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim); +static bfa_boolean_t bfa_ioim_sge_setup(struct bfa_ioim_s *ioim); +static void bfa_ioim_sgpg_setup(struct bfa_ioim_s *ioim); +static bfa_boolean_t bfa_ioim_send_abort(struct bfa_ioim_s *ioim); +static void bfa_ioim_notify_cleanup(struct bfa_ioim_s *ioim); +static void __bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete); +static void __bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete); +static void __bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete); +static void __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete); +static void __bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete); +static bfa_boolean_t bfa_ioim_is_abortable(struct bfa_ioim_s *ioim); + + +/** + * forward declaration of BFA IO state machine + */ +static void bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_sgalloc(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_active(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_abort(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_qfull(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_abort_qfull(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_cleanup_qfull(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_hcb(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); +static void bfa_ioim_sm_cmnd_retry(struct bfa_ioim_s *ioim, + enum bfa_ioim_event event); + +/** + * forward declaration for BFA TSKIM functions + */ +static void __bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete); +static void __bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete); +static bfa_boolean_t bfa_tskim_match_scope(struct bfa_tskim_s *tskim, + lun_t lun); +static void bfa_tskim_gather_ios(struct bfa_tskim_s *tskim); +static void bfa_tskim_cleanp_comp(void *tskim_cbarg); +static void bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim); +static bfa_boolean_t bfa_tskim_send(struct bfa_tskim_s *tskim); +static bfa_boolean_t bfa_tskim_send_abort(struct bfa_tskim_s *tskim); +static void bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim); + + +/** + * forward declaration of BFA TSKIM state machine + */ +static void bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, + enum bfa_tskim_event event); +static void bfa_tskim_sm_active(struct bfa_tskim_s *tskim, + enum bfa_tskim_event event); +static void bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, + enum bfa_tskim_event event); +static void bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, + enum bfa_tskim_event event); +static void bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, + enum bfa_tskim_event event); +static void bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim, + enum bfa_tskim_event event); +static void bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, + enum bfa_tskim_event event); + /** * hal_fcpim_mod BFA FCP Initiator Mode module */ /** - * Compute and return memory needed by FCP(im) module. + * Compute and return memory needed by FCP(im) module. */ static void bfa_fcpim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, @@ -58,7 +331,7 @@ bfa_fcpim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, static void bfa_fcpim_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, - struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) + struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) { struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); @@ -67,12 +340,14 @@ bfa_fcpim_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, bfa_trc(bfa, cfg->fwcfg.num_ioim_reqs); bfa_trc(bfa, cfg->fwcfg.num_tskim_reqs); - fcpim->bfa = bfa; - fcpim->num_itnims = cfg->fwcfg.num_rports; + fcpim->bfa = bfa; + fcpim->num_itnims = cfg->fwcfg.num_rports; fcpim->num_ioim_reqs = cfg->fwcfg.num_ioim_reqs; fcpim->num_tskim_reqs = cfg->fwcfg.num_tskim_reqs; - fcpim->path_tov = cfg->drvcfg.path_tov; - fcpim->delay_comp = cfg->drvcfg.delay_comp; + fcpim->path_tov = cfg->drvcfg.path_tov; + fcpim->delay_comp = cfg->drvcfg.delay_comp; + fcpim->profile_comp = NULL; + fcpim->profile_start = NULL; bfa_itnim_attach(fcpim, meminfo); bfa_tskim_attach(fcpim, meminfo); @@ -103,7 +378,7 @@ bfa_fcpim_iocdisable(struct bfa_s *bfa) { struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); struct bfa_itnim_s *itnim; - struct list_head *qe, *qen; + struct list_head *qe, *qen; list_for_each_safe(qe, qen, &fcpim->itnim_q) { itnim = (struct bfa_itnim_s *) qe; @@ -112,6 +387,56 @@ bfa_fcpim_iocdisable(struct bfa_s *bfa) } void +bfa_fcpim_add_stats(struct bfa_itnim_iostats_s *lstats, + struct bfa_itnim_iostats_s *rstats) +{ + bfa_fcpim_add_iostats(lstats, rstats, total_ios); + bfa_fcpim_add_iostats(lstats, rstats, qresumes); + bfa_fcpim_add_iostats(lstats, rstats, no_iotags); + bfa_fcpim_add_iostats(lstats, rstats, io_aborts); + bfa_fcpim_add_iostats(lstats, rstats, no_tskims); + bfa_fcpim_add_iostats(lstats, rstats, iocomp_ok); + bfa_fcpim_add_iostats(lstats, rstats, iocomp_underrun); + bfa_fcpim_add_iostats(lstats, rstats, iocomp_overrun); + bfa_fcpim_add_iostats(lstats, rstats, iocomp_aborted); + bfa_fcpim_add_iostats(lstats, rstats, iocomp_timedout); + bfa_fcpim_add_iostats(lstats, rstats, iocom_nexus_abort); + bfa_fcpim_add_iostats(lstats, rstats, iocom_proto_err); + bfa_fcpim_add_iostats(lstats, rstats, iocom_dif_err); + bfa_fcpim_add_iostats(lstats, rstats, iocom_sqer_needed); + bfa_fcpim_add_iostats(lstats, rstats, iocom_res_free); + bfa_fcpim_add_iostats(lstats, rstats, iocom_hostabrts); + bfa_fcpim_add_iostats(lstats, rstats, iocom_utags); + bfa_fcpim_add_iostats(lstats, rstats, io_cleanups); + bfa_fcpim_add_iostats(lstats, rstats, io_tmaborts); + bfa_fcpim_add_iostats(lstats, rstats, onlines); + bfa_fcpim_add_iostats(lstats, rstats, offlines); + bfa_fcpim_add_iostats(lstats, rstats, creates); + bfa_fcpim_add_iostats(lstats, rstats, deletes); + bfa_fcpim_add_iostats(lstats, rstats, create_comps); + bfa_fcpim_add_iostats(lstats, rstats, delete_comps); + bfa_fcpim_add_iostats(lstats, rstats, sler_events); + bfa_fcpim_add_iostats(lstats, rstats, fw_create); + bfa_fcpim_add_iostats(lstats, rstats, fw_delete); + bfa_fcpim_add_iostats(lstats, rstats, ioc_disabled); + bfa_fcpim_add_iostats(lstats, rstats, cleanup_comps); + bfa_fcpim_add_iostats(lstats, rstats, tm_cmnds); + bfa_fcpim_add_iostats(lstats, rstats, tm_fw_rsps); + bfa_fcpim_add_iostats(lstats, rstats, tm_success); + bfa_fcpim_add_iostats(lstats, rstats, tm_failures); + bfa_fcpim_add_iostats(lstats, rstats, tm_io_comps); + bfa_fcpim_add_iostats(lstats, rstats, tm_qresumes); + bfa_fcpim_add_iostats(lstats, rstats, tm_iocdowns); + bfa_fcpim_add_iostats(lstats, rstats, tm_cleanups); + bfa_fcpim_add_iostats(lstats, rstats, tm_cleanup_comps); + bfa_fcpim_add_iostats(lstats, rstats, io_comps); + bfa_fcpim_add_iostats(lstats, rstats, input_reqs); + bfa_fcpim_add_iostats(lstats, rstats, output_reqs); + bfa_fcpim_add_iostats(lstats, rstats, rd_throughput); + bfa_fcpim_add_iostats(lstats, rstats, wr_throughput); +} + +void bfa_fcpim_path_tov_set(struct bfa_s *bfa, u16 path_tov) { struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); @@ -130,21 +455,113 @@ bfa_fcpim_path_tov_get(struct bfa_s *bfa) } bfa_status_t -bfa_fcpim_get_modstats(struct bfa_s *bfa, struct bfa_fcpim_stats_s *modstats) +bfa_fcpim_port_iostats(struct bfa_s *bfa, struct bfa_itnim_iostats_s *stats, + u8 lp_tag) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + struct list_head *qe, *qen; + struct bfa_itnim_s *itnim; + + /* accumulate IO stats from itnim */ + bfa_os_memset(stats, 0, sizeof(struct bfa_itnim_iostats_s)); + list_for_each_safe(qe, qen, &fcpim->itnim_q) { + itnim = (struct bfa_itnim_s *) qe; + if (itnim->rport->rport_info.lp_tag != lp_tag) + continue; + bfa_fcpim_add_stats(stats, &(itnim->stats)); + } + return BFA_STATUS_OK; +} +bfa_status_t +bfa_fcpim_get_modstats(struct bfa_s *bfa, struct bfa_itnim_iostats_s *modstats) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + struct list_head *qe, *qen; + struct bfa_itnim_s *itnim; + + /* accumulate IO stats from itnim */ + bfa_os_memset(modstats, 0, sizeof(struct bfa_itnim_iostats_s)); + list_for_each_safe(qe, qen, &fcpim->itnim_q) { + itnim = (struct bfa_itnim_s *) qe; + bfa_fcpim_add_stats(modstats, &(itnim->stats)); + } + return BFA_STATUS_OK; +} + +bfa_status_t +bfa_fcpim_get_del_itn_stats(struct bfa_s *bfa, + struct bfa_fcpim_del_itn_stats_s *modstats) { struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); - *modstats = fcpim->stats; + *modstats = fcpim->del_itn_stats; return BFA_STATUS_OK; } + +bfa_status_t +bfa_fcpim_profile_on(struct bfa_s *bfa, u32 time) +{ + struct bfa_itnim_s *itnim; + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + struct list_head *qe, *qen; + + /* accumulate IO stats from itnim */ + list_for_each_safe(qe, qen, &fcpim->itnim_q) { + itnim = (struct bfa_itnim_s *) qe; + bfa_itnim_clear_stats(itnim); + } + fcpim->io_profile = BFA_TRUE; + fcpim->io_profile_start_time = time; + fcpim->profile_comp = bfa_ioim_profile_comp; + fcpim->profile_start = bfa_ioim_profile_start; + + return BFA_STATUS_OK; +} +bfa_status_t +bfa_fcpim_profile_off(struct bfa_s *bfa) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + fcpim->io_profile = BFA_FALSE; + fcpim->io_profile_start_time = 0; + fcpim->profile_comp = NULL; + fcpim->profile_start = NULL; + return BFA_STATUS_OK; +} + +bfa_status_t +bfa_fcpim_port_clear_iostats(struct bfa_s *bfa, u8 lp_tag) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + struct list_head *qe, *qen; + struct bfa_itnim_s *itnim; + + /* clear IO stats from all active itnims */ + list_for_each_safe(qe, qen, &fcpim->itnim_q) { + itnim = (struct bfa_itnim_s *) qe; + if (itnim->rport->rport_info.lp_tag != lp_tag) + continue; + bfa_itnim_clear_stats(itnim); + } + return BFA_STATUS_OK; + +} + bfa_status_t bfa_fcpim_clr_modstats(struct bfa_s *bfa) { struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + struct list_head *qe, *qen; + struct bfa_itnim_s *itnim; - memset(&fcpim->stats, 0, sizeof(struct bfa_fcpim_stats_s)); + /* clear IO stats from all active itnims */ + list_for_each_safe(qe, qen, &fcpim->itnim_q) { + itnim = (struct bfa_itnim_s *) qe; + bfa_itnim_clear_stats(itnim); + } + bfa_os_memset(&fcpim->del_itn_stats, 0, + sizeof(struct bfa_fcpim_del_itn_stats_s)); return BFA_STATUS_OK; } @@ -176,14 +593,6 @@ bfa_fcpim_update_ioredirect(struct bfa_s *bfa) * IO redirection is turned off when QoS is enabled and vice versa */ ioredirect = bfa_fcport_is_qos_enabled(bfa) ? BFA_FALSE : BFA_TRUE; - - /* - * Notify the bfad module of a possible state change in - * IO redirection capability, due to a QoS state change. bfad will - * check on the support for io redirection and update the - * fcpim's ioredirect state accordingly. - */ - bfa_cb_ioredirect_state_change((void *)(bfa->bfad), ioredirect); } void @@ -192,3 +601,3012 @@ bfa_fcpim_set_ioredirect(struct bfa_s *bfa, bfa_boolean_t state) struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); fcpim->ioredirect = state; } + + + +/** + * BFA ITNIM module state machine functions + */ + +/** + * Beginning/unallocated state - no events expected. + */ +static void +bfa_itnim_sm_uninit(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_CREATE: + bfa_sm_set_state(itnim, bfa_itnim_sm_created); + itnim->is_online = BFA_FALSE; + bfa_fcpim_additn(itnim); + break; + + default: + bfa_sm_fault(itnim->bfa, event); + } +} + +/** + * Beginning state, only online event expected. + */ +static void +bfa_itnim_sm_created(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_ONLINE: + if (bfa_itnim_send_fwcreate(itnim)) + bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); + else + bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); + break; + + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); + bfa_fcpim_delitn(itnim); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + break; + + default: + bfa_sm_fault(itnim->bfa, event); + } +} + +/** + * Waiting for itnim create response from firmware. + */ +static void +bfa_itnim_sm_fwcreate(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_FWRSP: + bfa_sm_set_state(itnim, bfa_itnim_sm_online); + itnim->is_online = BFA_TRUE; + bfa_itnim_iotov_online(itnim); + bfa_itnim_online_cb(itnim); + break; + + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_delete_pending); + break; + + case BFA_ITNIM_SM_OFFLINE: + if (bfa_itnim_send_fwdelete(itnim)) + bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); + else + bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete_qfull); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + break; + + default: + bfa_sm_fault(itnim->bfa, event); + } +} + +static void +bfa_itnim_sm_fwcreate_qfull(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_QRESUME: + bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); + bfa_itnim_send_fwcreate(itnim); + break; + + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); + bfa_reqq_wcancel(&itnim->reqq_wait); + bfa_fcpim_delitn(itnim); + break; + + case BFA_ITNIM_SM_OFFLINE: + bfa_sm_set_state(itnim, bfa_itnim_sm_offline); + bfa_reqq_wcancel(&itnim->reqq_wait); + bfa_itnim_offline_cb(itnim); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + bfa_reqq_wcancel(&itnim->reqq_wait); + break; + + default: + bfa_sm_fault(itnim->bfa, event); + } +} + +/** + * Waiting for itnim create response from firmware, a delete is pending. + */ +static void +bfa_itnim_sm_delete_pending(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_FWRSP: + if (bfa_itnim_send_fwdelete(itnim)) + bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); + else + bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); + bfa_fcpim_delitn(itnim); + break; + + default: + bfa_sm_fault(itnim->bfa, event); + } +} + +/** + * Online state - normal parking state. + */ +static void +bfa_itnim_sm_online(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_OFFLINE: + bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_offline); + itnim->is_online = BFA_FALSE; + bfa_itnim_iotov_start(itnim); + bfa_itnim_cleanup(itnim); + break; + + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); + itnim->is_online = BFA_FALSE; + bfa_itnim_cleanup(itnim); + break; + + case BFA_ITNIM_SM_SLER: + bfa_sm_set_state(itnim, bfa_itnim_sm_sler); + itnim->is_online = BFA_FALSE; + bfa_itnim_iotov_start(itnim); + bfa_itnim_sler_cb(itnim); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + itnim->is_online = BFA_FALSE; + bfa_itnim_iotov_start(itnim); + bfa_itnim_iocdisable_cleanup(itnim); + break; + + default: + bfa_sm_fault(itnim->bfa, event); + } +} + +/** + * Second level error recovery need. + */ +static void +bfa_itnim_sm_sler(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_OFFLINE: + bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_offline); + bfa_itnim_cleanup(itnim); + break; + + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); + bfa_itnim_cleanup(itnim); + bfa_itnim_iotov_delete(itnim); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + bfa_itnim_iocdisable_cleanup(itnim); + break; + + default: + bfa_sm_fault(itnim->bfa, event); + } +} + +/** + * Going offline. Waiting for active IO cleanup. + */ +static void +bfa_itnim_sm_cleanup_offline(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_CLEANUP: + if (bfa_itnim_send_fwdelete(itnim)) + bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); + else + bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete_qfull); + break; + + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); + bfa_itnim_iotov_delete(itnim); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + bfa_itnim_iocdisable_cleanup(itnim); + bfa_itnim_offline_cb(itnim); + break; + + case BFA_ITNIM_SM_SLER: + break; + + default: + bfa_sm_fault(itnim->bfa, event); + } +} + +/** + * Deleting itnim. Waiting for active IO cleanup. + */ +static void +bfa_itnim_sm_cleanup_delete(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_CLEANUP: + if (bfa_itnim_send_fwdelete(itnim)) + bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); + else + bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + bfa_itnim_iocdisable_cleanup(itnim); + break; + + default: + bfa_sm_fault(itnim->bfa, event); + } +} + +/** + * Rport offline. Fimrware itnim is being deleted - awaiting f/w response. + */ +static void +bfa_itnim_sm_fwdelete(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_FWRSP: + bfa_sm_set_state(itnim, bfa_itnim_sm_offline); + bfa_itnim_offline_cb(itnim); + break; + + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + bfa_itnim_offline_cb(itnim); + break; + + default: + bfa_sm_fault(itnim->bfa, event); + } +} + +static void +bfa_itnim_sm_fwdelete_qfull(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_QRESUME: + bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); + bfa_itnim_send_fwdelete(itnim); + break; + + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + bfa_reqq_wcancel(&itnim->reqq_wait); + bfa_itnim_offline_cb(itnim); + break; + + default: + bfa_sm_fault(itnim->bfa, event); + } +} + +/** + * Offline state. + */ +static void +bfa_itnim_sm_offline(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); + bfa_itnim_iotov_delete(itnim); + bfa_fcpim_delitn(itnim); + break; + + case BFA_ITNIM_SM_ONLINE: + if (bfa_itnim_send_fwcreate(itnim)) + bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); + else + bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); + break; + + default: + bfa_sm_fault(itnim->bfa, event); + } +} + +/** + * IOC h/w failed state. + */ +static void +bfa_itnim_sm_iocdisable(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_DELETE: + bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); + bfa_itnim_iotov_delete(itnim); + bfa_fcpim_delitn(itnim); + break; + + case BFA_ITNIM_SM_OFFLINE: + bfa_itnim_offline_cb(itnim); + break; + + case BFA_ITNIM_SM_ONLINE: + if (bfa_itnim_send_fwcreate(itnim)) + bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); + else + bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); + break; + + case BFA_ITNIM_SM_HWFAIL: + break; + + default: + bfa_sm_fault(itnim->bfa, event); + } +} + +/** + * Itnim is deleted, waiting for firmware response to delete. + */ +static void +bfa_itnim_sm_deleting(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_FWRSP: + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); + bfa_fcpim_delitn(itnim); + break; + + default: + bfa_sm_fault(itnim->bfa, event); + } +} + +static void +bfa_itnim_sm_deleting_qfull(struct bfa_itnim_s *itnim, + enum bfa_itnim_event event) +{ + bfa_trc(itnim->bfa, itnim->rport->rport_tag); + bfa_trc(itnim->bfa, event); + + switch (event) { + case BFA_ITNIM_SM_QRESUME: + bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); + bfa_itnim_send_fwdelete(itnim); + break; + + case BFA_ITNIM_SM_HWFAIL: + bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); + bfa_reqq_wcancel(&itnim->reqq_wait); + bfa_fcpim_delitn(itnim); + break; + + default: + bfa_sm_fault(itnim->bfa, event); + } +} + +/** + * Initiate cleanup of all IOs on an IOC failure. + */ +static void +bfa_itnim_iocdisable_cleanup(struct bfa_itnim_s *itnim) +{ + struct bfa_tskim_s *tskim; + struct bfa_ioim_s *ioim; + struct list_head *qe, *qen; + + list_for_each_safe(qe, qen, &itnim->tsk_q) { + tskim = (struct bfa_tskim_s *) qe; + bfa_tskim_iocdisable(tskim); + } + + list_for_each_safe(qe, qen, &itnim->io_q) { + ioim = (struct bfa_ioim_s *) qe; + bfa_ioim_iocdisable(ioim); + } + + /** + * For IO request in pending queue, we pretend an early timeout. + */ + list_for_each_safe(qe, qen, &itnim->pending_q) { + ioim = (struct bfa_ioim_s *) qe; + bfa_ioim_tov(ioim); + } + + list_for_each_safe(qe, qen, &itnim->io_cleanup_q) { + ioim = (struct bfa_ioim_s *) qe; + bfa_ioim_iocdisable(ioim); + } +} + +/** + * IO cleanup completion + */ +static void +bfa_itnim_cleanp_comp(void *itnim_cbarg) +{ + struct bfa_itnim_s *itnim = itnim_cbarg; + + bfa_stats(itnim, cleanup_comps); + bfa_sm_send_event(itnim, BFA_ITNIM_SM_CLEANUP); +} + +/** + * Initiate cleanup of all IOs. + */ +static void +bfa_itnim_cleanup(struct bfa_itnim_s *itnim) +{ + struct bfa_ioim_s *ioim; + struct bfa_tskim_s *tskim; + struct list_head *qe, *qen; + + bfa_wc_init(&itnim->wc, bfa_itnim_cleanp_comp, itnim); + + list_for_each_safe(qe, qen, &itnim->io_q) { + ioim = (struct bfa_ioim_s *) qe; + + /** + * Move IO to a cleanup queue from active queue so that a later + * TM will not pickup this IO. + */ + list_del(&ioim->qe); + list_add_tail(&ioim->qe, &itnim->io_cleanup_q); + + bfa_wc_up(&itnim->wc); + bfa_ioim_cleanup(ioim); + } + + list_for_each_safe(qe, qen, &itnim->tsk_q) { + tskim = (struct bfa_tskim_s *) qe; + bfa_wc_up(&itnim->wc); + bfa_tskim_cleanup(tskim); + } + + bfa_wc_wait(&itnim->wc); +} + +static void +__bfa_cb_itnim_online(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_itnim_s *itnim = cbarg; + + if (complete) + bfa_cb_itnim_online(itnim->ditn); +} + +static void +__bfa_cb_itnim_offline(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_itnim_s *itnim = cbarg; + + if (complete) + bfa_cb_itnim_offline(itnim->ditn); +} + +static void +__bfa_cb_itnim_sler(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_itnim_s *itnim = cbarg; + + if (complete) + bfa_cb_itnim_sler(itnim->ditn); +} + +/** + * Call to resume any I/O requests waiting for room in request queue. + */ +static void +bfa_itnim_qresume(void *cbarg) +{ + struct bfa_itnim_s *itnim = cbarg; + + bfa_sm_send_event(itnim, BFA_ITNIM_SM_QRESUME); +} + + + + +/** + * bfa_itnim_public + */ + +void +bfa_itnim_iodone(struct bfa_itnim_s *itnim) +{ + bfa_wc_down(&itnim->wc); +} + +void +bfa_itnim_tskdone(struct bfa_itnim_s *itnim) +{ + bfa_wc_down(&itnim->wc); +} + +void +bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, + u32 *dm_len) +{ + /** + * ITN memory + */ + *km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_itnim_s); +} + +void +bfa_itnim_attach(struct bfa_fcpim_mod_s *fcpim, struct bfa_meminfo_s *minfo) +{ + struct bfa_s *bfa = fcpim->bfa; + struct bfa_itnim_s *itnim; + int i, j; + + INIT_LIST_HEAD(&fcpim->itnim_q); + + itnim = (struct bfa_itnim_s *) bfa_meminfo_kva(minfo); + fcpim->itnim_arr = itnim; + + for (i = 0; i < fcpim->num_itnims; i++, itnim++) { + bfa_os_memset(itnim, 0, sizeof(struct bfa_itnim_s)); + itnim->bfa = bfa; + itnim->fcpim = fcpim; + itnim->reqq = BFA_REQQ_QOS_LO; + itnim->rport = BFA_RPORT_FROM_TAG(bfa, i); + itnim->iotov_active = BFA_FALSE; + bfa_reqq_winit(&itnim->reqq_wait, bfa_itnim_qresume, itnim); + + INIT_LIST_HEAD(&itnim->io_q); + INIT_LIST_HEAD(&itnim->io_cleanup_q); + INIT_LIST_HEAD(&itnim->pending_q); + INIT_LIST_HEAD(&itnim->tsk_q); + INIT_LIST_HEAD(&itnim->delay_comp_q); + for (j = 0; j < BFA_IOBUCKET_MAX; j++) + itnim->ioprofile.io_latency.min[j] = ~0; + bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); + } + + bfa_meminfo_kva(minfo) = (u8 *) itnim; +} + +void +bfa_itnim_iocdisable(struct bfa_itnim_s *itnim) +{ + bfa_stats(itnim, ioc_disabled); + bfa_sm_send_event(itnim, BFA_ITNIM_SM_HWFAIL); +} + +static bfa_boolean_t +bfa_itnim_send_fwcreate(struct bfa_itnim_s *itnim) +{ + struct bfi_itnim_create_req_s *m; + + itnim->msg_no++; + + /** + * check for room in queue to send request now + */ + m = bfa_reqq_next(itnim->bfa, itnim->reqq); + if (!m) { + bfa_reqq_wait(itnim->bfa, itnim->reqq, &itnim->reqq_wait); + return BFA_FALSE; + } + + bfi_h2i_set(m->mh, BFI_MC_ITNIM, BFI_ITNIM_H2I_CREATE_REQ, + bfa_lpuid(itnim->bfa)); + m->fw_handle = itnim->rport->fw_handle; + m->class = FC_CLASS_3; + m->seq_rec = itnim->seq_rec; + m->msg_no = itnim->msg_no; + bfa_stats(itnim, fw_create); + + /** + * queue I/O message to firmware + */ + bfa_reqq_produce(itnim->bfa, itnim->reqq); + return BFA_TRUE; +} + +static bfa_boolean_t +bfa_itnim_send_fwdelete(struct bfa_itnim_s *itnim) +{ + struct bfi_itnim_delete_req_s *m; + + /** + * check for room in queue to send request now + */ + m = bfa_reqq_next(itnim->bfa, itnim->reqq); + if (!m) { + bfa_reqq_wait(itnim->bfa, itnim->reqq, &itnim->reqq_wait); + return BFA_FALSE; + } + + bfi_h2i_set(m->mh, BFI_MC_ITNIM, BFI_ITNIM_H2I_DELETE_REQ, + bfa_lpuid(itnim->bfa)); + m->fw_handle = itnim->rport->fw_handle; + bfa_stats(itnim, fw_delete); + + /** + * queue I/O message to firmware + */ + bfa_reqq_produce(itnim->bfa, itnim->reqq); + return BFA_TRUE; +} + +/** + * Cleanup all pending failed inflight requests. + */ +static void +bfa_itnim_delayed_comp(struct bfa_itnim_s *itnim, bfa_boolean_t iotov) +{ + struct bfa_ioim_s *ioim; + struct list_head *qe, *qen; + + list_for_each_safe(qe, qen, &itnim->delay_comp_q) { + ioim = (struct bfa_ioim_s *)qe; + bfa_ioim_delayed_comp(ioim, iotov); + } +} + +/** + * Start all pending IO requests. + */ +static void +bfa_itnim_iotov_online(struct bfa_itnim_s *itnim) +{ + struct bfa_ioim_s *ioim; + + bfa_itnim_iotov_stop(itnim); + + /** + * Abort all inflight IO requests in the queue + */ + bfa_itnim_delayed_comp(itnim, BFA_FALSE); + + /** + * Start all pending IO requests. + */ + while (!list_empty(&itnim->pending_q)) { + bfa_q_deq(&itnim->pending_q, &ioim); + list_add_tail(&ioim->qe, &itnim->io_q); + bfa_ioim_start(ioim); + } +} + +/** + * Fail all pending IO requests + */ +static void +bfa_itnim_iotov_cleanup(struct bfa_itnim_s *itnim) +{ + struct bfa_ioim_s *ioim; + + /** + * Fail all inflight IO requests in the queue + */ + bfa_itnim_delayed_comp(itnim, BFA_TRUE); + + /** + * Fail any pending IO requests. + */ + while (!list_empty(&itnim->pending_q)) { + bfa_q_deq(&itnim->pending_q, &ioim); + list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); + bfa_ioim_tov(ioim); + } +} + +/** + * IO TOV timer callback. Fail any pending IO requests. + */ +static void +bfa_itnim_iotov(void *itnim_arg) +{ + struct bfa_itnim_s *itnim = itnim_arg; + + itnim->iotov_active = BFA_FALSE; + + bfa_cb_itnim_tov_begin(itnim->ditn); + bfa_itnim_iotov_cleanup(itnim); + bfa_cb_itnim_tov(itnim->ditn); +} + +/** + * Start IO TOV timer for failing back pending IO requests in offline state. + */ +static void +bfa_itnim_iotov_start(struct bfa_itnim_s *itnim) +{ + if (itnim->fcpim->path_tov > 0) { + + itnim->iotov_active = BFA_TRUE; + bfa_assert(bfa_itnim_hold_io(itnim)); + bfa_timer_start(itnim->bfa, &itnim->timer, + bfa_itnim_iotov, itnim, itnim->fcpim->path_tov); + } +} + +/** + * Stop IO TOV timer. + */ +static void +bfa_itnim_iotov_stop(struct bfa_itnim_s *itnim) +{ + if (itnim->iotov_active) { + itnim->iotov_active = BFA_FALSE; + bfa_timer_stop(&itnim->timer); + } +} + +/** + * Stop IO TOV timer. + */ +static void +bfa_itnim_iotov_delete(struct bfa_itnim_s *itnim) +{ + bfa_boolean_t pathtov_active = BFA_FALSE; + + if (itnim->iotov_active) + pathtov_active = BFA_TRUE; + + bfa_itnim_iotov_stop(itnim); + if (pathtov_active) + bfa_cb_itnim_tov_begin(itnim->ditn); + bfa_itnim_iotov_cleanup(itnim); + if (pathtov_active) + bfa_cb_itnim_tov(itnim->ditn); +} + +static void +bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(itnim->bfa); + fcpim->del_itn_stats.del_itn_iocomp_aborted += + itnim->stats.iocomp_aborted; + fcpim->del_itn_stats.del_itn_iocomp_timedout += + itnim->stats.iocomp_timedout; + fcpim->del_itn_stats.del_itn_iocom_sqer_needed += + itnim->stats.iocom_sqer_needed; + fcpim->del_itn_stats.del_itn_iocom_res_free += + itnim->stats.iocom_res_free; + fcpim->del_itn_stats.del_itn_iocom_hostabrts += + itnim->stats.iocom_hostabrts; + fcpim->del_itn_stats.del_itn_total_ios += itnim->stats.total_ios; + fcpim->del_itn_stats.del_io_iocdowns += itnim->stats.io_iocdowns; + fcpim->del_itn_stats.del_tm_iocdowns += itnim->stats.tm_iocdowns; +} + + + +/** + * bfa_itnim_public + */ + +/** + * Itnim interrupt processing. + */ +void +bfa_itnim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + union bfi_itnim_i2h_msg_u msg; + struct bfa_itnim_s *itnim; + + bfa_trc(bfa, m->mhdr.msg_id); + + msg.msg = m; + + switch (m->mhdr.msg_id) { + case BFI_ITNIM_I2H_CREATE_RSP: + itnim = BFA_ITNIM_FROM_TAG(fcpim, + msg.create_rsp->bfa_handle); + bfa_assert(msg.create_rsp->status == BFA_STATUS_OK); + bfa_stats(itnim, create_comps); + bfa_sm_send_event(itnim, BFA_ITNIM_SM_FWRSP); + break; + + case BFI_ITNIM_I2H_DELETE_RSP: + itnim = BFA_ITNIM_FROM_TAG(fcpim, + msg.delete_rsp->bfa_handle); + bfa_assert(msg.delete_rsp->status == BFA_STATUS_OK); + bfa_stats(itnim, delete_comps); + bfa_sm_send_event(itnim, BFA_ITNIM_SM_FWRSP); + break; + + case BFI_ITNIM_I2H_SLER_EVENT: + itnim = BFA_ITNIM_FROM_TAG(fcpim, + msg.sler_event->bfa_handle); + bfa_stats(itnim, sler_events); + bfa_sm_send_event(itnim, BFA_ITNIM_SM_SLER); + break; + + default: + bfa_trc(bfa, m->mhdr.msg_id); + bfa_assert(0); + } +} + + + +/** + * bfa_itnim_api + */ + +struct bfa_itnim_s * +bfa_itnim_create(struct bfa_s *bfa, struct bfa_rport_s *rport, void *ditn) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + struct bfa_itnim_s *itnim; + + itnim = BFA_ITNIM_FROM_TAG(fcpim, rport->rport_tag); + bfa_assert(itnim->rport == rport); + + itnim->ditn = ditn; + + bfa_stats(itnim, creates); + bfa_sm_send_event(itnim, BFA_ITNIM_SM_CREATE); + + return itnim; +} + +void +bfa_itnim_delete(struct bfa_itnim_s *itnim) +{ + bfa_stats(itnim, deletes); + bfa_sm_send_event(itnim, BFA_ITNIM_SM_DELETE); +} + +void +bfa_itnim_online(struct bfa_itnim_s *itnim, bfa_boolean_t seq_rec) +{ + itnim->seq_rec = seq_rec; + bfa_stats(itnim, onlines); + bfa_sm_send_event(itnim, BFA_ITNIM_SM_ONLINE); +} + +void +bfa_itnim_offline(struct bfa_itnim_s *itnim) +{ + bfa_stats(itnim, offlines); + bfa_sm_send_event(itnim, BFA_ITNIM_SM_OFFLINE); +} + +/** + * Return true if itnim is considered offline for holding off IO request. + * IO is not held if itnim is being deleted. + */ +bfa_boolean_t +bfa_itnim_hold_io(struct bfa_itnim_s *itnim) +{ + return itnim->fcpim->path_tov && itnim->iotov_active && + (bfa_sm_cmp_state(itnim, bfa_itnim_sm_fwcreate) || + bfa_sm_cmp_state(itnim, bfa_itnim_sm_sler) || + bfa_sm_cmp_state(itnim, bfa_itnim_sm_cleanup_offline) || + bfa_sm_cmp_state(itnim, bfa_itnim_sm_fwdelete) || + bfa_sm_cmp_state(itnim, bfa_itnim_sm_offline) || + bfa_sm_cmp_state(itnim, bfa_itnim_sm_iocdisable)); +} + +bfa_status_t +bfa_itnim_get_ioprofile(struct bfa_itnim_s *itnim, + struct bfa_itnim_ioprofile_s *ioprofile) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(itnim->bfa); + if (!fcpim->io_profile) + return BFA_STATUS_IOPROFILE_OFF; + + itnim->ioprofile.index = BFA_IOBUCKET_MAX; + itnim->ioprofile.io_profile_start_time = + bfa_io_profile_start_time(itnim->bfa); + itnim->ioprofile.clock_res_mul = bfa_io_lat_clock_res_mul; + itnim->ioprofile.clock_res_div = bfa_io_lat_clock_res_div; + *ioprofile = itnim->ioprofile; + + return BFA_STATUS_OK; +} + +void +bfa_itnim_get_stats(struct bfa_itnim_s *itnim, + struct bfa_itnim_iostats_s *stats) +{ + *stats = itnim->stats; +} + +void +bfa_itnim_clear_stats(struct bfa_itnim_s *itnim) +{ + int j; + bfa_os_memset(&itnim->stats, 0, sizeof(itnim->stats)); + bfa_os_memset(&itnim->ioprofile, 0, sizeof(itnim->ioprofile)); + for (j = 0; j < BFA_IOBUCKET_MAX; j++) + itnim->ioprofile.io_latency.min[j] = ~0; +} + +/** + * BFA IO module state machine functions + */ + +/** + * IO is not started (unallocated). + */ +static void +bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc_fp(ioim->bfa, ioim->iotag); + bfa_trc_fp(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_START: + if (!bfa_itnim_is_online(ioim->itnim)) { + if (!bfa_itnim_hold_io(ioim->itnim)) { + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + list_del(&ioim->qe); + list_add_tail(&ioim->qe, + &ioim->fcpim->ioim_comp_q); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, + __bfa_cb_ioim_pathtov, ioim); + } else { + list_del(&ioim->qe); + list_add_tail(&ioim->qe, + &ioim->itnim->pending_q); + } + break; + } + + if (ioim->nsges > BFI_SGE_INLINE) { + if (!bfa_ioim_sge_setup(ioim)) { + bfa_sm_set_state(ioim, bfa_ioim_sm_sgalloc); + return; + } + } + + if (!bfa_ioim_send_ioreq(ioim)) { + bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); + break; + } + + bfa_sm_set_state(ioim, bfa_ioim_sm_active); + break; + + case BFA_IOIM_SM_IOTOV: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, + __bfa_cb_ioim_pathtov, ioim); + break; + + case BFA_IOIM_SM_ABORT: + /** + * IO in pending queue can get abort requests. Complete abort + * requests immediately. + */ + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_assert(bfa_q_is_on_q(&ioim->itnim->pending_q, ioim)); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, + __bfa_cb_ioim_abort, ioim); + break; + + default: + bfa_sm_fault(ioim->bfa, event); + } +} + +/** + * IO is waiting for SG pages. + */ +static void +bfa_ioim_sm_sgalloc(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_trc(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_SGALLOCED: + if (!bfa_ioim_send_ioreq(ioim)) { + bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); + break; + } + bfa_sm_set_state(ioim, bfa_ioim_sm_active); + break; + + case BFA_IOIM_SM_CLEANUP: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, + ioim); + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_ABORT: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, + ioim); + break; + + case BFA_IOIM_SM_HWFAIL: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, + ioim); + break; + + default: + bfa_sm_fault(ioim->bfa, event); + } +} + +/** + * IO is active. + */ +static void +bfa_ioim_sm_active(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc_fp(ioim->bfa, ioim->iotag); + bfa_trc_fp(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_COMP_GOOD: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, + __bfa_cb_ioim_good_comp, ioim); + break; + + case BFA_IOIM_SM_COMP: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_comp, + ioim); + break; + + case BFA_IOIM_SM_DONE: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_comp, + ioim); + break; + + case BFA_IOIM_SM_ABORT: + ioim->iosp->abort_explicit = BFA_TRUE; + ioim->io_cbfn = __bfa_cb_ioim_abort; + + if (bfa_ioim_send_abort(ioim)) + bfa_sm_set_state(ioim, bfa_ioim_sm_abort); + else { + bfa_sm_set_state(ioim, bfa_ioim_sm_abort_qfull); + bfa_stats(ioim->itnim, qwait); + bfa_reqq_wait(ioim->bfa, ioim->reqq, + &ioim->iosp->reqq_wait); + } + break; + + case BFA_IOIM_SM_CLEANUP: + ioim->iosp->abort_explicit = BFA_FALSE; + ioim->io_cbfn = __bfa_cb_ioim_failed; + + if (bfa_ioim_send_abort(ioim)) + bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); + else { + bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); + bfa_stats(ioim->itnim, qwait); + bfa_reqq_wait(ioim->bfa, ioim->reqq, + &ioim->iosp->reqq_wait); + } + break; + + case BFA_IOIM_SM_HWFAIL: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, + ioim); + break; + + case BFA_IOIM_SM_SQRETRY: + if (bfa_ioim_get_iotag(ioim) != BFA_TRUE) { + /* max retry completed free IO */ + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, + __bfa_cb_ioim_failed, ioim); + break; + } + /* waiting for IO tag resource free */ + bfa_sm_set_state(ioim, bfa_ioim_sm_cmnd_retry); + break; + + default: + bfa_sm_fault(ioim->bfa, event); + } +} + +/** +* IO is retried with new tag. +*/ +static void +bfa_ioim_sm_cmnd_retry(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc_fp(ioim->bfa, ioim->iotag); + bfa_trc_fp(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_FREE: + /* abts and rrq done. Now retry the IO with new tag */ + if (!bfa_ioim_send_ioreq(ioim)) { + bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); + break; + } + bfa_sm_set_state(ioim, bfa_ioim_sm_active); + break; + + case BFA_IOIM_SM_CLEANUP: + ioim->iosp->abort_explicit = BFA_FALSE; + ioim->io_cbfn = __bfa_cb_ioim_failed; + + if (bfa_ioim_send_abort(ioim)) + bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); + else { + bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); + bfa_stats(ioim->itnim, qwait); + bfa_reqq_wait(ioim->bfa, ioim->reqq, + &ioim->iosp->reqq_wait); + } + break; + + case BFA_IOIM_SM_HWFAIL: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, + __bfa_cb_ioim_failed, ioim); + break; + + case BFA_IOIM_SM_ABORT: + /** in this state IO abort is done. + * Waiting for IO tag resource free. + */ + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, + ioim); + break; + + default: + bfa_sm_fault(ioim->bfa, event); + } +} + +/** + * IO is being aborted, waiting for completion from firmware. + */ +static void +bfa_ioim_sm_abort(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_trc(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_COMP_GOOD: + case BFA_IOIM_SM_COMP: + case BFA_IOIM_SM_DONE: + case BFA_IOIM_SM_FREE: + break; + + case BFA_IOIM_SM_ABORT_DONE: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, + ioim); + break; + + case BFA_IOIM_SM_ABORT_COMP: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, + ioim); + break; + + case BFA_IOIM_SM_COMP_UTAG: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, + ioim); + break; + + case BFA_IOIM_SM_CLEANUP: + bfa_assert(ioim->iosp->abort_explicit == BFA_TRUE); + ioim->iosp->abort_explicit = BFA_FALSE; + + if (bfa_ioim_send_abort(ioim)) + bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); + else { + bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); + bfa_stats(ioim->itnim, qwait); + bfa_reqq_wait(ioim->bfa, ioim->reqq, + &ioim->iosp->reqq_wait); + } + break; + + case BFA_IOIM_SM_HWFAIL: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, + ioim); + break; + + default: + bfa_sm_fault(ioim->bfa, event); + } +} + +/** + * IO is being cleaned up (implicit abort), waiting for completion from + * firmware. + */ +static void +bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_trc(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_COMP_GOOD: + case BFA_IOIM_SM_COMP: + case BFA_IOIM_SM_DONE: + case BFA_IOIM_SM_FREE: + break; + + case BFA_IOIM_SM_ABORT: + /** + * IO is already being aborted implicitly + */ + ioim->io_cbfn = __bfa_cb_ioim_abort; + break; + + case BFA_IOIM_SM_ABORT_DONE: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_ABORT_COMP: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_COMP_UTAG: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_HWFAIL: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, + ioim); + break; + + case BFA_IOIM_SM_CLEANUP: + /** + * IO can be in cleanup state already due to TM command. + * 2nd cleanup request comes from ITN offline event. + */ + break; + + default: + bfa_sm_fault(ioim->bfa, event); + } +} + +/** + * IO is waiting for room in request CQ + */ +static void +bfa_ioim_sm_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_trc(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_QRESUME: + bfa_sm_set_state(ioim, bfa_ioim_sm_active); + bfa_ioim_send_ioreq(ioim); + break; + + case BFA_IOIM_SM_ABORT: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_reqq_wcancel(&ioim->iosp->reqq_wait); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, + ioim); + break; + + case BFA_IOIM_SM_CLEANUP: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_reqq_wcancel(&ioim->iosp->reqq_wait); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, + ioim); + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_HWFAIL: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_reqq_wcancel(&ioim->iosp->reqq_wait); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, + ioim); + break; + + default: + bfa_sm_fault(ioim->bfa, event); + } +} + +/** + * Active IO is being aborted, waiting for room in request CQ. + */ +static void +bfa_ioim_sm_abort_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_trc(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_QRESUME: + bfa_sm_set_state(ioim, bfa_ioim_sm_abort); + bfa_ioim_send_abort(ioim); + break; + + case BFA_IOIM_SM_CLEANUP: + bfa_assert(ioim->iosp->abort_explicit == BFA_TRUE); + ioim->iosp->abort_explicit = BFA_FALSE; + bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); + break; + + case BFA_IOIM_SM_COMP_GOOD: + case BFA_IOIM_SM_COMP: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_reqq_wcancel(&ioim->iosp->reqq_wait); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, + ioim); + break; + + case BFA_IOIM_SM_DONE: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); + bfa_reqq_wcancel(&ioim->iosp->reqq_wait); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, + ioim); + break; + + case BFA_IOIM_SM_HWFAIL: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_reqq_wcancel(&ioim->iosp->reqq_wait); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, + ioim); + break; + + default: + bfa_sm_fault(ioim->bfa, event); + } +} + +/** + * Active IO is being cleaned up, waiting for room in request CQ. + */ +static void +bfa_ioim_sm_cleanup_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_trc(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_QRESUME: + bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); + bfa_ioim_send_abort(ioim); + break; + + case BFA_IOIM_SM_ABORT: + /** + * IO is alraedy being cleaned up implicitly + */ + ioim->io_cbfn = __bfa_cb_ioim_abort; + break; + + case BFA_IOIM_SM_COMP_GOOD: + case BFA_IOIM_SM_COMP: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_reqq_wcancel(&ioim->iosp->reqq_wait); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_DONE: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); + bfa_reqq_wcancel(&ioim->iosp->reqq_wait); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_HWFAIL: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + bfa_reqq_wcancel(&ioim->iosp->reqq_wait); + bfa_ioim_move_to_comp_q(ioim); + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, + ioim); + break; + + default: + bfa_sm_fault(ioim->bfa, event); + } +} + +/** + * IO bfa callback is pending. + */ +static void +bfa_ioim_sm_hcb(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc_fp(ioim->bfa, ioim->iotag); + bfa_trc_fp(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_HCB: + bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); + bfa_ioim_free(ioim); + break; + + case BFA_IOIM_SM_CLEANUP: + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_HWFAIL: + break; + + default: + bfa_sm_fault(ioim->bfa, event); + } +} + +/** + * IO bfa callback is pending. IO resource cannot be freed. + */ +static void +bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_trc(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_HCB: + bfa_sm_set_state(ioim, bfa_ioim_sm_resfree); + list_del(&ioim->qe); + list_add_tail(&ioim->qe, &ioim->fcpim->ioim_resfree_q); + break; + + case BFA_IOIM_SM_FREE: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + break; + + case BFA_IOIM_SM_CLEANUP: + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_HWFAIL: + bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); + break; + + default: + bfa_sm_fault(ioim->bfa, event); + } +} + +/** + * IO is completed, waiting resource free from firmware. + */ +static void +bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_trc(ioim->bfa, event); + + switch (event) { + case BFA_IOIM_SM_FREE: + bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); + bfa_ioim_free(ioim); + break; + + case BFA_IOIM_SM_CLEANUP: + bfa_ioim_notify_cleanup(ioim); + break; + + case BFA_IOIM_SM_HWFAIL: + break; + + default: + bfa_sm_fault(ioim->bfa, event); + } +} + + + +/** + * hal_ioim_private + */ + +static void +__bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_ioim_s *ioim = cbarg; + + if (!complete) { + bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); + return; + } + + bfa_cb_ioim_good_comp(ioim->bfa->bfad, ioim->dio); +} + +static void +__bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_ioim_s *ioim = cbarg; + struct bfi_ioim_rsp_s *m; + u8 *snsinfo = NULL; + u8 sns_len = 0; + s32 residue = 0; + + if (!complete) { + bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); + return; + } + + m = (struct bfi_ioim_rsp_s *) &ioim->iosp->comp_rspmsg; + if (m->io_status == BFI_IOIM_STS_OK) { + /** + * setup sense information, if present + */ + if ((m->scsi_status == SCSI_STATUS_CHECK_CONDITION) && + m->sns_len) { + sns_len = m->sns_len; + snsinfo = ioim->iosp->snsinfo; + } + + /** + * setup residue value correctly for normal completions + */ + if (m->resid_flags == FCP_RESID_UNDER) { + residue = bfa_os_ntohl(m->residue); + bfa_stats(ioim->itnim, iocomp_underrun); + } + if (m->resid_flags == FCP_RESID_OVER) { + residue = bfa_os_ntohl(m->residue); + residue = -residue; + bfa_stats(ioim->itnim, iocomp_overrun); + } + } + + bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, m->io_status, + m->scsi_status, sns_len, snsinfo, residue); +} + +static void +__bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_ioim_s *ioim = cbarg; + + if (!complete) { + bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); + return; + } + + bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_ABORTED, + 0, 0, NULL, 0); +} + +static void +__bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_ioim_s *ioim = cbarg; + + bfa_stats(ioim->itnim, path_tov_expired); + if (!complete) { + bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); + return; + } + + bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_PATHTOV, + 0, 0, NULL, 0); +} + +static void +__bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_ioim_s *ioim = cbarg; + + if (!complete) { + bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); + return; + } + + bfa_cb_ioim_abort(ioim->bfa->bfad, ioim->dio); +} + +static void +bfa_ioim_sgpg_alloced(void *cbarg) +{ + struct bfa_ioim_s *ioim = cbarg; + + ioim->nsgpgs = BFA_SGPG_NPAGE(ioim->nsges); + list_splice_tail_init(&ioim->iosp->sgpg_wqe.sgpg_q, &ioim->sgpg_q); + bfa_ioim_sgpg_setup(ioim); + bfa_sm_send_event(ioim, BFA_IOIM_SM_SGALLOCED); +} + +/** + * Send I/O request to firmware. + */ +static bfa_boolean_t +bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim) +{ + struct bfa_itnim_s *itnim = ioim->itnim; + struct bfi_ioim_req_s *m; + static struct fcp_cmnd_s cmnd_z0 = { 0 }; + struct bfi_sge_s *sge; + u32 pgdlen = 0; + u32 fcp_dl; + u64 addr; + struct scatterlist *sg; + struct scsi_cmnd *cmnd = (struct scsi_cmnd *) ioim->dio; + + /** + * check for room in queue to send request now + */ + m = bfa_reqq_next(ioim->bfa, ioim->reqq); + if (!m) { + bfa_stats(ioim->itnim, qwait); + bfa_reqq_wait(ioim->bfa, ioim->reqq, + &ioim->iosp->reqq_wait); + return BFA_FALSE; + } + + /** + * build i/o request message next + */ + m->io_tag = bfa_os_htons(ioim->iotag); + m->rport_hdl = ioim->itnim->rport->fw_handle; + m->io_timeout = bfa_cb_ioim_get_timeout(ioim->dio); + + /** + * build inline IO SG element here + */ + sge = &m->sges[0]; + if (ioim->nsges) { + sg = (struct scatterlist *)scsi_sglist(cmnd); + addr = bfa_os_sgaddr(sg_dma_address(sg)); + sge->sga = *(union bfi_addr_u *) &addr; + pgdlen = sg_dma_len(sg); + sge->sg_len = pgdlen; + sge->flags = (ioim->nsges > BFI_SGE_INLINE) ? + BFI_SGE_DATA_CPL : BFI_SGE_DATA_LAST; + bfa_sge_to_be(sge); + sge++; + } + + if (ioim->nsges > BFI_SGE_INLINE) { + sge->sga = ioim->sgpg->sgpg_pa; + } else { + sge->sga.a32.addr_lo = 0; + sge->sga.a32.addr_hi = 0; + } + sge->sg_len = pgdlen; + sge->flags = BFI_SGE_PGDLEN; + bfa_sge_to_be(sge); + + /** + * set up I/O command parameters + */ + bfa_os_assign(m->cmnd, cmnd_z0); + m->cmnd.lun = bfa_cb_ioim_get_lun(ioim->dio); + m->cmnd.iodir = bfa_cb_ioim_get_iodir(ioim->dio); + bfa_os_assign(m->cmnd.cdb, + *(scsi_cdb_t *)bfa_cb_ioim_get_cdb(ioim->dio)); + fcp_dl = bfa_cb_ioim_get_size(ioim->dio); + m->cmnd.fcp_dl = bfa_os_htonl(fcp_dl); + + /** + * set up I/O message header + */ + switch (m->cmnd.iodir) { + case FCP_IODIR_READ: + bfi_h2i_set(m->mh, BFI_MC_IOIM_READ, 0, bfa_lpuid(ioim->bfa)); + bfa_stats(itnim, input_reqs); + ioim->itnim->stats.rd_throughput += fcp_dl; + break; + case FCP_IODIR_WRITE: + bfi_h2i_set(m->mh, BFI_MC_IOIM_WRITE, 0, bfa_lpuid(ioim->bfa)); + bfa_stats(itnim, output_reqs); + ioim->itnim->stats.wr_throughput += fcp_dl; + break; + case FCP_IODIR_RW: + bfa_stats(itnim, input_reqs); + bfa_stats(itnim, output_reqs); + default: + bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_lpuid(ioim->bfa)); + } + if (itnim->seq_rec || + (bfa_cb_ioim_get_size(ioim->dio) & (sizeof(u32) - 1))) + bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_lpuid(ioim->bfa)); + +#ifdef IOIM_ADVANCED + m->cmnd.crn = bfa_cb_ioim_get_crn(ioim->dio); + m->cmnd.priority = bfa_cb_ioim_get_priority(ioim->dio); + m->cmnd.taskattr = bfa_cb_ioim_get_taskattr(ioim->dio); + + /** + * Handle large CDB (>16 bytes). + */ + m->cmnd.addl_cdb_len = (bfa_cb_ioim_get_cdblen(ioim->dio) - + FCP_CMND_CDB_LEN) / sizeof(u32); + if (m->cmnd.addl_cdb_len) { + bfa_os_memcpy(&m->cmnd.cdb + 1, (scsi_cdb_t *) + bfa_cb_ioim_get_cdb(ioim->dio) + 1, + m->cmnd.addl_cdb_len * sizeof(u32)); + fcp_cmnd_fcpdl(&m->cmnd) = + bfa_os_htonl(bfa_cb_ioim_get_size(ioim->dio)); + } +#endif + + /** + * queue I/O message to firmware + */ + bfa_reqq_produce(ioim->bfa, ioim->reqq); + return BFA_TRUE; +} + +/** + * Setup any additional SG pages needed.Inline SG element is setup + * at queuing time. + */ +static bfa_boolean_t +bfa_ioim_sge_setup(struct bfa_ioim_s *ioim) +{ + u16 nsgpgs; + + bfa_assert(ioim->nsges > BFI_SGE_INLINE); + + /** + * allocate SG pages needed + */ + nsgpgs = BFA_SGPG_NPAGE(ioim->nsges); + if (!nsgpgs) + return BFA_TRUE; + + if (bfa_sgpg_malloc(ioim->bfa, &ioim->sgpg_q, nsgpgs) + != BFA_STATUS_OK) { + bfa_sgpg_wait(ioim->bfa, &ioim->iosp->sgpg_wqe, nsgpgs); + return BFA_FALSE; + } + + ioim->nsgpgs = nsgpgs; + bfa_ioim_sgpg_setup(ioim); + + return BFA_TRUE; +} + +static void +bfa_ioim_sgpg_setup(struct bfa_ioim_s *ioim) +{ + int sgeid, nsges, i; + struct bfi_sge_s *sge; + struct bfa_sgpg_s *sgpg; + u32 pgcumsz; + u64 addr; + struct scatterlist *sg; + struct scsi_cmnd *cmnd = (struct scsi_cmnd *) ioim->dio; + + sgeid = BFI_SGE_INLINE; + ioim->sgpg = sgpg = bfa_q_first(&ioim->sgpg_q); + + sg = scsi_sglist(cmnd); + sg = sg_next(sg); + + do { + sge = sgpg->sgpg->sges; + nsges = ioim->nsges - sgeid; + if (nsges > BFI_SGPG_DATA_SGES) + nsges = BFI_SGPG_DATA_SGES; + + pgcumsz = 0; + for (i = 0; i < nsges; i++, sge++, sgeid++, sg = sg_next(sg)) { + addr = bfa_os_sgaddr(sg_dma_address(sg)); + sge->sga = *(union bfi_addr_u *) &addr; + sge->sg_len = sg_dma_len(sg); + pgcumsz += sge->sg_len; + + /** + * set flags + */ + if (i < (nsges - 1)) + sge->flags = BFI_SGE_DATA; + else if (sgeid < (ioim->nsges - 1)) + sge->flags = BFI_SGE_DATA_CPL; + else + sge->flags = BFI_SGE_DATA_LAST; + + bfa_sge_to_le(sge); + } + + sgpg = (struct bfa_sgpg_s *) bfa_q_next(sgpg); + + /** + * set the link element of each page + */ + if (sgeid == ioim->nsges) { + sge->flags = BFI_SGE_PGDLEN; + sge->sga.a32.addr_lo = 0; + sge->sga.a32.addr_hi = 0; + } else { + sge->flags = BFI_SGE_LINK; + sge->sga = sgpg->sgpg_pa; + } + sge->sg_len = pgcumsz; + + bfa_sge_to_le(sge); + } while (sgeid < ioim->nsges); +} + +/** + * Send I/O abort request to firmware. + */ +static bfa_boolean_t +bfa_ioim_send_abort(struct bfa_ioim_s *ioim) +{ + struct bfi_ioim_abort_req_s *m; + enum bfi_ioim_h2i msgop; + + /** + * check for room in queue to send request now + */ + m = bfa_reqq_next(ioim->bfa, ioim->reqq); + if (!m) + return BFA_FALSE; + + /** + * build i/o request message next + */ + if (ioim->iosp->abort_explicit) + msgop = BFI_IOIM_H2I_IOABORT_REQ; + else + msgop = BFI_IOIM_H2I_IOCLEANUP_REQ; + + bfi_h2i_set(m->mh, BFI_MC_IOIM, msgop, bfa_lpuid(ioim->bfa)); + m->io_tag = bfa_os_htons(ioim->iotag); + m->abort_tag = ++ioim->abort_tag; + + /** + * queue I/O message to firmware + */ + bfa_reqq_produce(ioim->bfa, ioim->reqq); + return BFA_TRUE; +} + +/** + * Call to resume any I/O requests waiting for room in request queue. + */ +static void +bfa_ioim_qresume(void *cbarg) +{ + struct bfa_ioim_s *ioim = cbarg; + + bfa_stats(ioim->itnim, qresumes); + bfa_sm_send_event(ioim, BFA_IOIM_SM_QRESUME); +} + + +static void +bfa_ioim_notify_cleanup(struct bfa_ioim_s *ioim) +{ + /** + * Move IO from itnim queue to fcpim global queue since itnim will be + * freed. + */ + list_del(&ioim->qe); + list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); + + if (!ioim->iosp->tskim) { + if (ioim->fcpim->delay_comp && ioim->itnim->iotov_active) { + bfa_cb_dequeue(&ioim->hcb_qe); + list_del(&ioim->qe); + list_add_tail(&ioim->qe, &ioim->itnim->delay_comp_q); + } + bfa_itnim_iodone(ioim->itnim); + } else + bfa_tskim_iodone(ioim->iosp->tskim); +} + +static bfa_boolean_t +bfa_ioim_is_abortable(struct bfa_ioim_s *ioim) +{ + if ((bfa_sm_cmp_state(ioim, bfa_ioim_sm_uninit) && + (!bfa_q_is_on_q(&ioim->itnim->pending_q, ioim))) || + (bfa_sm_cmp_state(ioim, bfa_ioim_sm_abort)) || + (bfa_sm_cmp_state(ioim, bfa_ioim_sm_abort_qfull)) || + (bfa_sm_cmp_state(ioim, bfa_ioim_sm_hcb)) || + (bfa_sm_cmp_state(ioim, bfa_ioim_sm_hcb_free)) || + (bfa_sm_cmp_state(ioim, bfa_ioim_sm_resfree))) + return BFA_FALSE; + + return BFA_TRUE; +} + +/** + * or after the link comes back. + */ +void +bfa_ioim_delayed_comp(struct bfa_ioim_s *ioim, bfa_boolean_t iotov) +{ + /** + * If path tov timer expired, failback with PATHTOV status - these + * IO requests are not normally retried by IO stack. + * + * Otherwise device cameback online and fail it with normal failed + * status so that IO stack retries these failed IO requests. + */ + if (iotov) + ioim->io_cbfn = __bfa_cb_ioim_pathtov; + else { + ioim->io_cbfn = __bfa_cb_ioim_failed; + bfa_stats(ioim->itnim, iocom_nexus_abort); + } + bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); + + /** + * Move IO to fcpim global queue since itnim will be + * freed. + */ + list_del(&ioim->qe); + list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); +} + + + +/** + * hal_ioim_friend + */ + +/** + * Memory allocation and initialization. + */ +void +bfa_ioim_attach(struct bfa_fcpim_mod_s *fcpim, struct bfa_meminfo_s *minfo) +{ + struct bfa_ioim_s *ioim; + struct bfa_ioim_sp_s *iosp; + u16 i; + u8 *snsinfo; + u32 snsbufsz; + + /** + * claim memory first + */ + ioim = (struct bfa_ioim_s *) bfa_meminfo_kva(minfo); + fcpim->ioim_arr = ioim; + bfa_meminfo_kva(minfo) = (u8 *) (ioim + fcpim->num_ioim_reqs); + + iosp = (struct bfa_ioim_sp_s *) bfa_meminfo_kva(minfo); + fcpim->ioim_sp_arr = iosp; + bfa_meminfo_kva(minfo) = (u8 *) (iosp + fcpim->num_ioim_reqs); + + /** + * Claim DMA memory for per IO sense data. + */ + snsbufsz = fcpim->num_ioim_reqs * BFI_IOIM_SNSLEN; + fcpim->snsbase.pa = bfa_meminfo_dma_phys(minfo); + bfa_meminfo_dma_phys(minfo) += snsbufsz; + + fcpim->snsbase.kva = bfa_meminfo_dma_virt(minfo); + bfa_meminfo_dma_virt(minfo) += snsbufsz; + snsinfo = fcpim->snsbase.kva; + bfa_iocfc_set_snsbase(fcpim->bfa, fcpim->snsbase.pa); + + /** + * Initialize ioim free queues + */ + INIT_LIST_HEAD(&fcpim->ioim_free_q); + INIT_LIST_HEAD(&fcpim->ioim_resfree_q); + INIT_LIST_HEAD(&fcpim->ioim_comp_q); + + for (i = 0; i < fcpim->num_ioim_reqs; + i++, ioim++, iosp++, snsinfo += BFI_IOIM_SNSLEN) { + /* + * initialize IOIM + */ + bfa_os_memset(ioim, 0, sizeof(struct bfa_ioim_s)); + ioim->iotag = i; + ioim->bfa = fcpim->bfa; + ioim->fcpim = fcpim; + ioim->iosp = iosp; + iosp->snsinfo = snsinfo; + INIT_LIST_HEAD(&ioim->sgpg_q); + bfa_reqq_winit(&ioim->iosp->reqq_wait, + bfa_ioim_qresume, ioim); + bfa_sgpg_winit(&ioim->iosp->sgpg_wqe, + bfa_ioim_sgpg_alloced, ioim); + bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); + + list_add_tail(&ioim->qe, &fcpim->ioim_free_q); + } +} + +/** + * Driver detach time call. + */ +void +bfa_ioim_detach(struct bfa_fcpim_mod_s *fcpim) +{ +} + +void +bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + struct bfi_ioim_rsp_s *rsp = (struct bfi_ioim_rsp_s *) m; + struct bfa_ioim_s *ioim; + u16 iotag; + enum bfa_ioim_event evt = BFA_IOIM_SM_COMP; + + iotag = bfa_os_ntohs(rsp->io_tag); + + ioim = BFA_IOIM_FROM_TAG(fcpim, iotag); + bfa_assert(ioim->iotag == iotag); + + bfa_trc(ioim->bfa, ioim->iotag); + bfa_trc(ioim->bfa, rsp->io_status); + bfa_trc(ioim->bfa, rsp->reuse_io_tag); + + if (bfa_sm_cmp_state(ioim, bfa_ioim_sm_active)) + bfa_os_assign(ioim->iosp->comp_rspmsg, *m); + + switch (rsp->io_status) { + case BFI_IOIM_STS_OK: + bfa_stats(ioim->itnim, iocomp_ok); + if (rsp->reuse_io_tag == 0) + evt = BFA_IOIM_SM_DONE; + else + evt = BFA_IOIM_SM_COMP; + break; + + case BFI_IOIM_STS_TIMEDOUT: + bfa_stats(ioim->itnim, iocomp_timedout); + case BFI_IOIM_STS_ABORTED: + rsp->io_status = BFI_IOIM_STS_ABORTED; + bfa_stats(ioim->itnim, iocomp_aborted); + if (rsp->reuse_io_tag == 0) + evt = BFA_IOIM_SM_DONE; + else + evt = BFA_IOIM_SM_COMP; + break; + + case BFI_IOIM_STS_PROTO_ERR: + bfa_stats(ioim->itnim, iocom_proto_err); + bfa_assert(rsp->reuse_io_tag); + evt = BFA_IOIM_SM_COMP; + break; + + case BFI_IOIM_STS_SQER_NEEDED: + bfa_stats(ioim->itnim, iocom_sqer_needed); + bfa_assert(rsp->reuse_io_tag == 0); + evt = BFA_IOIM_SM_SQRETRY; + break; + + case BFI_IOIM_STS_RES_FREE: + bfa_stats(ioim->itnim, iocom_res_free); + evt = BFA_IOIM_SM_FREE; + break; + + case BFI_IOIM_STS_HOST_ABORTED: + bfa_stats(ioim->itnim, iocom_hostabrts); + if (rsp->abort_tag != ioim->abort_tag) { + bfa_trc(ioim->bfa, rsp->abort_tag); + bfa_trc(ioim->bfa, ioim->abort_tag); + return; + } + + if (rsp->reuse_io_tag) + evt = BFA_IOIM_SM_ABORT_COMP; + else + evt = BFA_IOIM_SM_ABORT_DONE; + break; + + case BFI_IOIM_STS_UTAG: + bfa_stats(ioim->itnim, iocom_utags); + evt = BFA_IOIM_SM_COMP_UTAG; + break; + + default: + bfa_assert(0); + } + + bfa_sm_send_event(ioim, evt); +} + +void +bfa_ioim_good_comp_isr(struct bfa_s *bfa, struct bfi_msg_s *m) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + struct bfi_ioim_rsp_s *rsp = (struct bfi_ioim_rsp_s *) m; + struct bfa_ioim_s *ioim; + u16 iotag; + + iotag = bfa_os_ntohs(rsp->io_tag); + + ioim = BFA_IOIM_FROM_TAG(fcpim, iotag); + bfa_assert(ioim->iotag == iotag); + + bfa_trc_fp(ioim->bfa, ioim->iotag); + bfa_ioim_cb_profile_comp(fcpim, ioim); + + bfa_sm_send_event(ioim, BFA_IOIM_SM_COMP_GOOD); +} + +void +bfa_ioim_profile_start(struct bfa_ioim_s *ioim) +{ + ioim->start_time = bfa_os_get_clock(); +} + +void +bfa_ioim_profile_comp(struct bfa_ioim_s *ioim) +{ + u32 fcp_dl = bfa_cb_ioim_get_size(ioim->dio); + u32 index = bfa_ioim_get_index(fcp_dl); + u64 end_time = bfa_os_get_clock(); + struct bfa_itnim_latency_s *io_lat = + &(ioim->itnim->ioprofile.io_latency); + u32 val = (u32)(end_time - ioim->start_time); + + bfa_itnim_ioprofile_update(ioim->itnim, index); + + io_lat->count[index]++; + io_lat->min[index] = (io_lat->min[index] < val) ? + io_lat->min[index] : val; + io_lat->max[index] = (io_lat->max[index] > val) ? + io_lat->max[index] : val; + io_lat->avg[index] += val; +} +/** + * Called by itnim to clean up IO while going offline. + */ +void +bfa_ioim_cleanup(struct bfa_ioim_s *ioim) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_stats(ioim->itnim, io_cleanups); + + ioim->iosp->tskim = NULL; + bfa_sm_send_event(ioim, BFA_IOIM_SM_CLEANUP); +} + +void +bfa_ioim_cleanup_tm(struct bfa_ioim_s *ioim, struct bfa_tskim_s *tskim) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_stats(ioim->itnim, io_tmaborts); + + ioim->iosp->tskim = tskim; + bfa_sm_send_event(ioim, BFA_IOIM_SM_CLEANUP); +} + +/** + * IOC failure handling. + */ +void +bfa_ioim_iocdisable(struct bfa_ioim_s *ioim) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_stats(ioim->itnim, io_iocdowns); + bfa_sm_send_event(ioim, BFA_IOIM_SM_HWFAIL); +} + +/** + * IO offline TOV popped. Fail the pending IO. + */ +void +bfa_ioim_tov(struct bfa_ioim_s *ioim) +{ + bfa_trc(ioim->bfa, ioim->iotag); + bfa_sm_send_event(ioim, BFA_IOIM_SM_IOTOV); +} + + + +/** + * hal_ioim_api + */ + +/** + * Allocate IOIM resource for initiator mode I/O request. + */ +struct bfa_ioim_s * +bfa_ioim_alloc(struct bfa_s *bfa, struct bfad_ioim_s *dio, + struct bfa_itnim_s *itnim, u16 nsges) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + struct bfa_ioim_s *ioim; + + /** + * alocate IOIM resource + */ + bfa_q_deq(&fcpim->ioim_free_q, &ioim); + if (!ioim) { + bfa_stats(itnim, no_iotags); + return NULL; + } + + ioim->dio = dio; + ioim->itnim = itnim; + ioim->nsges = nsges; + ioim->nsgpgs = 0; + + bfa_stats(itnim, total_ios); + fcpim->ios_active++; + + list_add_tail(&ioim->qe, &itnim->io_q); + bfa_trc_fp(ioim->bfa, ioim->iotag); + + return ioim; +} + +void +bfa_ioim_free(struct bfa_ioim_s *ioim) +{ + struct bfa_fcpim_mod_s *fcpim = ioim->fcpim; + + bfa_trc_fp(ioim->bfa, ioim->iotag); + bfa_assert_fp(bfa_sm_cmp_state(ioim, bfa_ioim_sm_uninit)); + + bfa_assert_fp(list_empty(&ioim->sgpg_q) || + (ioim->nsges > BFI_SGE_INLINE)); + + if (ioim->nsgpgs > 0) + bfa_sgpg_mfree(ioim->bfa, &ioim->sgpg_q, ioim->nsgpgs); + + bfa_stats(ioim->itnim, io_comps); + fcpim->ios_active--; + + list_del(&ioim->qe); + list_add_tail(&ioim->qe, &fcpim->ioim_free_q); +} + +void +bfa_ioim_start(struct bfa_ioim_s *ioim) +{ + bfa_trc_fp(ioim->bfa, ioim->iotag); + + bfa_ioim_cb_profile_start(ioim->fcpim, ioim); + + /** + * Obtain the queue over which this request has to be issued + */ + ioim->reqq = bfa_fcpim_ioredirect_enabled(ioim->bfa) ? + bfa_cb_ioim_get_reqq(ioim->dio) : + bfa_itnim_get_reqq(ioim); + + bfa_sm_send_event(ioim, BFA_IOIM_SM_START); +} + +/** + * Driver I/O abort request. + */ +bfa_status_t +bfa_ioim_abort(struct bfa_ioim_s *ioim) +{ + + bfa_trc(ioim->bfa, ioim->iotag); + + if (!bfa_ioim_is_abortable(ioim)) + return BFA_STATUS_FAILED; + + bfa_stats(ioim->itnim, io_aborts); + bfa_sm_send_event(ioim, BFA_IOIM_SM_ABORT); + + return BFA_STATUS_OK; +} + + +/** + * BFA TSKIM state machine functions + */ + +/** + * Task management command beginning state. + */ +static void +bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) +{ + bfa_trc(tskim->bfa, event); + + switch (event) { + case BFA_TSKIM_SM_START: + bfa_sm_set_state(tskim, bfa_tskim_sm_active); + bfa_tskim_gather_ios(tskim); + + /** + * If device is offline, do not send TM on wire. Just cleanup + * any pending IO requests and complete TM request. + */ + if (!bfa_itnim_is_online(tskim->itnim)) { + bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); + tskim->tsk_status = BFI_TSKIM_STS_OK; + bfa_tskim_cleanup_ios(tskim); + return; + } + + if (!bfa_tskim_send(tskim)) { + bfa_sm_set_state(tskim, bfa_tskim_sm_qfull); + bfa_stats(tskim->itnim, tm_qwait); + bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq, + &tskim->reqq_wait); + } + break; + + default: + bfa_sm_fault(tskim->bfa, event); + } +} + +/** + * brief + * TM command is active, awaiting completion from firmware to + * cleanup IO requests in TM scope. + */ +static void +bfa_tskim_sm_active(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) +{ + bfa_trc(tskim->bfa, event); + + switch (event) { + case BFA_TSKIM_SM_DONE: + bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); + bfa_tskim_cleanup_ios(tskim); + break; + + case BFA_TSKIM_SM_CLEANUP: + bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup); + if (!bfa_tskim_send_abort(tskim)) { + bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup_qfull); + bfa_stats(tskim->itnim, tm_qwait); + bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq, + &tskim->reqq_wait); + } + break; + + case BFA_TSKIM_SM_HWFAIL: + bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); + bfa_tskim_iocdisable_ios(tskim); + bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); + break; + + default: + bfa_sm_fault(tskim->bfa, event); + } +} + +/** + * An active TM is being cleaned up since ITN is offline. Awaiting cleanup + * completion event from firmware. + */ +static void +bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) +{ + bfa_trc(tskim->bfa, event); + + switch (event) { + case BFA_TSKIM_SM_DONE: + /** + * Ignore and wait for ABORT completion from firmware. + */ + break; + + case BFA_TSKIM_SM_CLEANUP_DONE: + bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); + bfa_tskim_cleanup_ios(tskim); + break; + + case BFA_TSKIM_SM_HWFAIL: + bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); + bfa_tskim_iocdisable_ios(tskim); + bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); + break; + + default: + bfa_sm_fault(tskim->bfa, event); + } +} + +static void +bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) +{ + bfa_trc(tskim->bfa, event); + + switch (event) { + case BFA_TSKIM_SM_IOS_DONE: + bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); + bfa_tskim_qcomp(tskim, __bfa_cb_tskim_done); + break; + + case BFA_TSKIM_SM_CLEANUP: + /** + * Ignore, TM command completed on wire. + * Notify TM conmpletion on IO cleanup completion. + */ + break; + + case BFA_TSKIM_SM_HWFAIL: + bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); + bfa_tskim_iocdisable_ios(tskim); + bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); + break; + + default: + bfa_sm_fault(tskim->bfa, event); + } +} + +/** + * Task management command is waiting for room in request CQ + */ +static void +bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) +{ + bfa_trc(tskim->bfa, event); + + switch (event) { + case BFA_TSKIM_SM_QRESUME: + bfa_sm_set_state(tskim, bfa_tskim_sm_active); + bfa_tskim_send(tskim); + break; + + case BFA_TSKIM_SM_CLEANUP: + /** + * No need to send TM on wire since ITN is offline. + */ + bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); + bfa_reqq_wcancel(&tskim->reqq_wait); + bfa_tskim_cleanup_ios(tskim); + break; + + case BFA_TSKIM_SM_HWFAIL: + bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); + bfa_reqq_wcancel(&tskim->reqq_wait); + bfa_tskim_iocdisable_ios(tskim); + bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); + break; + + default: + bfa_sm_fault(tskim->bfa, event); + } +} + +/** + * Task management command is active, awaiting for room in request CQ + * to send clean up request. + */ +static void +bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim, + enum bfa_tskim_event event) +{ + bfa_trc(tskim->bfa, event); + + switch (event) { + case BFA_TSKIM_SM_DONE: + bfa_reqq_wcancel(&tskim->reqq_wait); + /** + * + * Fall through !!! + */ + + case BFA_TSKIM_SM_QRESUME: + bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup); + bfa_tskim_send_abort(tskim); + break; + + case BFA_TSKIM_SM_HWFAIL: + bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); + bfa_reqq_wcancel(&tskim->reqq_wait); + bfa_tskim_iocdisable_ios(tskim); + bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); + break; + + default: + bfa_sm_fault(tskim->bfa, event); + } +} + +/** + * BFA callback is pending + */ +static void +bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) +{ + bfa_trc(tskim->bfa, event); + + switch (event) { + case BFA_TSKIM_SM_HCB: + bfa_sm_set_state(tskim, bfa_tskim_sm_uninit); + bfa_tskim_free(tskim); + break; + + case BFA_TSKIM_SM_CLEANUP: + bfa_tskim_notify_comp(tskim); + break; + + case BFA_TSKIM_SM_HWFAIL: + break; + + default: + bfa_sm_fault(tskim->bfa, event); + } +} + + + +/** + * hal_tskim_private + */ + +static void +__bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_tskim_s *tskim = cbarg; + + if (!complete) { + bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB); + return; + } + + bfa_stats(tskim->itnim, tm_success); + bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk, tskim->tsk_status); +} + +static void +__bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete) +{ + struct bfa_tskim_s *tskim = cbarg; + + if (!complete) { + bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB); + return; + } + + bfa_stats(tskim->itnim, tm_failures); + bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk, + BFI_TSKIM_STS_FAILED); +} + +static bfa_boolean_t +bfa_tskim_match_scope(struct bfa_tskim_s *tskim, lun_t lun) +{ + switch (tskim->tm_cmnd) { + case FCP_TM_TARGET_RESET: + return BFA_TRUE; + + case FCP_TM_ABORT_TASK_SET: + case FCP_TM_CLEAR_TASK_SET: + case FCP_TM_LUN_RESET: + case FCP_TM_CLEAR_ACA: + return (tskim->lun == lun); + + default: + bfa_assert(0); + } + + return BFA_FALSE; +} + +/** + * Gather affected IO requests and task management commands. + */ +static void +bfa_tskim_gather_ios(struct bfa_tskim_s *tskim) +{ + struct bfa_itnim_s *itnim = tskim->itnim; + struct bfa_ioim_s *ioim; + struct list_head *qe, *qen; + + INIT_LIST_HEAD(&tskim->io_q); + + /** + * Gather any active IO requests first. + */ + list_for_each_safe(qe, qen, &itnim->io_q) { + ioim = (struct bfa_ioim_s *) qe; + if (bfa_tskim_match_scope + (tskim, bfa_cb_ioim_get_lun(ioim->dio))) { + list_del(&ioim->qe); + list_add_tail(&ioim->qe, &tskim->io_q); + } + } + + /** + * Failback any pending IO requests immediately. + */ + list_for_each_safe(qe, qen, &itnim->pending_q) { + ioim = (struct bfa_ioim_s *) qe; + if (bfa_tskim_match_scope + (tskim, bfa_cb_ioim_get_lun(ioim->dio))) { + list_del(&ioim->qe); + list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); + bfa_ioim_tov(ioim); + } + } +} + +/** + * IO cleanup completion + */ +static void +bfa_tskim_cleanp_comp(void *tskim_cbarg) +{ + struct bfa_tskim_s *tskim = tskim_cbarg; + + bfa_stats(tskim->itnim, tm_io_comps); + bfa_sm_send_event(tskim, BFA_TSKIM_SM_IOS_DONE); +} + +/** + * Gather affected IO requests and task management commands. + */ +static void +bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim) +{ + struct bfa_ioim_s *ioim; + struct list_head *qe, *qen; + + bfa_wc_init(&tskim->wc, bfa_tskim_cleanp_comp, tskim); + + list_for_each_safe(qe, qen, &tskim->io_q) { + ioim = (struct bfa_ioim_s *) qe; + bfa_wc_up(&tskim->wc); + bfa_ioim_cleanup_tm(ioim, tskim); + } + + bfa_wc_wait(&tskim->wc); +} + +/** + * Send task management request to firmware. + */ +static bfa_boolean_t +bfa_tskim_send(struct bfa_tskim_s *tskim) +{ + struct bfa_itnim_s *itnim = tskim->itnim; + struct bfi_tskim_req_s *m; + + /** + * check for room in queue to send request now + */ + m = bfa_reqq_next(tskim->bfa, itnim->reqq); + if (!m) + return BFA_FALSE; + + /** + * build i/o request message next + */ + bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_TM_REQ, + bfa_lpuid(tskim->bfa)); + + m->tsk_tag = bfa_os_htons(tskim->tsk_tag); + m->itn_fhdl = tskim->itnim->rport->fw_handle; + m->t_secs = tskim->tsecs; + m->lun = tskim->lun; + m->tm_flags = tskim->tm_cmnd; + + /** + * queue I/O message to firmware + */ + bfa_reqq_produce(tskim->bfa, itnim->reqq); + return BFA_TRUE; +} + +/** + * Send abort request to cleanup an active TM to firmware. + */ +static bfa_boolean_t +bfa_tskim_send_abort(struct bfa_tskim_s *tskim) +{ + struct bfa_itnim_s *itnim = tskim->itnim; + struct bfi_tskim_abortreq_s *m; + + /** + * check for room in queue to send request now + */ + m = bfa_reqq_next(tskim->bfa, itnim->reqq); + if (!m) + return BFA_FALSE; + + /** + * build i/o request message next + */ + bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_ABORT_REQ, + bfa_lpuid(tskim->bfa)); + + m->tsk_tag = bfa_os_htons(tskim->tsk_tag); + + /** + * queue I/O message to firmware + */ + bfa_reqq_produce(tskim->bfa, itnim->reqq); + return BFA_TRUE; +} + +/** + * Call to resume task management cmnd waiting for room in request queue. + */ +static void +bfa_tskim_qresume(void *cbarg) +{ + struct bfa_tskim_s *tskim = cbarg; + + bfa_stats(tskim->itnim, tm_qresumes); + bfa_sm_send_event(tskim, BFA_TSKIM_SM_QRESUME); +} + +/** + * Cleanup IOs associated with a task mangement command on IOC failures. + */ +static void +bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim) +{ + struct bfa_ioim_s *ioim; + struct list_head *qe, *qen; + + list_for_each_safe(qe, qen, &tskim->io_q) { + ioim = (struct bfa_ioim_s *) qe; + bfa_ioim_iocdisable(ioim); + } +} + + + +/** + * hal_tskim_friend + */ + +/** + * Notification on completions from related ioim. + */ +void +bfa_tskim_iodone(struct bfa_tskim_s *tskim) +{ + bfa_wc_down(&tskim->wc); +} + +/** + * Handle IOC h/w failure notification from itnim. + */ +void +bfa_tskim_iocdisable(struct bfa_tskim_s *tskim) +{ + tskim->notify = BFA_FALSE; + bfa_stats(tskim->itnim, tm_iocdowns); + bfa_sm_send_event(tskim, BFA_TSKIM_SM_HWFAIL); +} + +/** + * Cleanup TM command and associated IOs as part of ITNIM offline. + */ +void +bfa_tskim_cleanup(struct bfa_tskim_s *tskim) +{ + tskim->notify = BFA_TRUE; + bfa_stats(tskim->itnim, tm_cleanups); + bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP); +} + +/** + * Memory allocation and initialization. + */ +void +bfa_tskim_attach(struct bfa_fcpim_mod_s *fcpim, struct bfa_meminfo_s *minfo) +{ + struct bfa_tskim_s *tskim; + u16 i; + + INIT_LIST_HEAD(&fcpim->tskim_free_q); + + tskim = (struct bfa_tskim_s *) bfa_meminfo_kva(minfo); + fcpim->tskim_arr = tskim; + + for (i = 0; i < fcpim->num_tskim_reqs; i++, tskim++) { + /* + * initialize TSKIM + */ + bfa_os_memset(tskim, 0, sizeof(struct bfa_tskim_s)); + tskim->tsk_tag = i; + tskim->bfa = fcpim->bfa; + tskim->fcpim = fcpim; + tskim->notify = BFA_FALSE; + bfa_reqq_winit(&tskim->reqq_wait, bfa_tskim_qresume, + tskim); + bfa_sm_set_state(tskim, bfa_tskim_sm_uninit); + + list_add_tail(&tskim->qe, &fcpim->tskim_free_q); + } + + bfa_meminfo_kva(minfo) = (u8 *) tskim; +} + +void +bfa_tskim_detach(struct bfa_fcpim_mod_s *fcpim) +{ + /** + * @todo + */ +} + +void +bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + struct bfi_tskim_rsp_s *rsp = (struct bfi_tskim_rsp_s *) m; + struct bfa_tskim_s *tskim; + u16 tsk_tag = bfa_os_ntohs(rsp->tsk_tag); + + tskim = BFA_TSKIM_FROM_TAG(fcpim, tsk_tag); + bfa_assert(tskim->tsk_tag == tsk_tag); + + tskim->tsk_status = rsp->tsk_status; + + /** + * Firmware sends BFI_TSKIM_STS_ABORTED status for abort + * requests. All other statuses are for normal completions. + */ + if (rsp->tsk_status == BFI_TSKIM_STS_ABORTED) { + bfa_stats(tskim->itnim, tm_cleanup_comps); + bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP_DONE); + } else { + bfa_stats(tskim->itnim, tm_fw_rsps); + bfa_sm_send_event(tskim, BFA_TSKIM_SM_DONE); + } +} + + + +/** + * hal_tskim_api + */ + + +struct bfa_tskim_s * +bfa_tskim_alloc(struct bfa_s *bfa, struct bfad_tskim_s *dtsk) +{ + struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); + struct bfa_tskim_s *tskim; + + bfa_q_deq(&fcpim->tskim_free_q, &tskim); + + if (tskim) + tskim->dtsk = dtsk; + + return tskim; +} + +void +bfa_tskim_free(struct bfa_tskim_s *tskim) +{ + bfa_assert(bfa_q_is_on_q_func(&tskim->itnim->tsk_q, &tskim->qe)); + list_del(&tskim->qe); + list_add_tail(&tskim->qe, &tskim->fcpim->tskim_free_q); +} + +/** + * Start a task management command. + * + * @param[in] tskim BFA task management command instance + * @param[in] itnim i-t nexus for the task management command + * @param[in] lun lun, if applicable + * @param[in] tm_cmnd Task management command code. + * @param[in] t_secs Timeout in seconds + * + * @return None. + */ +void +bfa_tskim_start(struct bfa_tskim_s *tskim, struct bfa_itnim_s *itnim, lun_t lun, + enum fcp_tm_cmnd tm_cmnd, u8 tsecs) +{ + tskim->itnim = itnim; + tskim->lun = lun; + tskim->tm_cmnd = tm_cmnd; + tskim->tsecs = tsecs; + tskim->notify = BFA_FALSE; + bfa_stats(itnim, tm_cmnds); + + list_add_tail(&tskim->qe, &itnim->tsk_q); + bfa_sm_send_event(tskim, BFA_TSKIM_SM_START); +} diff --git a/drivers/scsi/bfa/bfa_fcpim.h b/drivers/scsi/bfa/bfa_fcpim.h new file mode 100644 index 000000000000..3bf343160aac --- /dev/null +++ b/drivers/scsi/bfa/bfa_fcpim.h @@ -0,0 +1,401 @@ +/* + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFA_FCPIM_H__ +#define __BFA_FCPIM_H__ + +#include "bfa.h" +#include "bfa_svc.h" +#include "bfi_ms.h" +#include "bfa_defs_svc.h" +#include "bfa_cs.h" + + +#define BFA_ITNIM_MIN 32 +#define BFA_ITNIM_MAX 1024 + +#define BFA_IOIM_MIN 8 +#define BFA_IOIM_MAX 2000 + +#define BFA_TSKIM_MIN 4 +#define BFA_TSKIM_MAX 512 +#define BFA_FCPIM_PATHTOV_DEF (30 * 1000) /* in millisecs */ +#define BFA_FCPIM_PATHTOV_MAX (90 * 1000) /* in millisecs */ + + +#define bfa_itnim_ioprofile_update(__itnim, __index) \ + (__itnim->ioprofile.iocomps[__index]++) + +#define BFA_IOIM_RETRY_TAG_OFFSET 11 +#define BFA_IOIM_RETRY_TAG_MASK 0x07ff /* 2K IOs */ +#define BFA_IOIM_RETRY_MAX 7 + +/* Buckets are are 512 bytes to 2MB */ +static inline u32 +bfa_ioim_get_index(u32 n) { + int pos = 0; + if (n >= (1UL)<<22) + return BFA_IOBUCKET_MAX - 1; + n >>= 8; + if (n >= (1UL)<<16) + n >>= 16; pos += 16; + if (n >= 1 << 8) + n >>= 8; pos += 8; + if (n >= 1 << 4) + n >>= 4; pos += 4; + if (n >= 1 << 2) + n >>= 2; pos += 2; + if (n >= 1 << 1) + pos += 1; + + return (n == 0) ? (0) : pos; +} + +/* + * forward declarations + */ +struct bfa_ioim_s; +struct bfa_tskim_s; +struct bfad_ioim_s; +struct bfad_tskim_s; + +typedef void (*bfa_fcpim_profile_t) (struct bfa_ioim_s *ioim); + +struct bfa_fcpim_mod_s { + struct bfa_s *bfa; + struct bfa_itnim_s *itnim_arr; + struct bfa_ioim_s *ioim_arr; + struct bfa_ioim_sp_s *ioim_sp_arr; + struct bfa_tskim_s *tskim_arr; + struct bfa_dma_s snsbase; + int num_itnims; + int num_ioim_reqs; + int num_tskim_reqs; + u32 path_tov; + u16 q_depth; + u8 reqq; /* Request queue to be used */ + u8 rsvd; + struct list_head itnim_q; /* queue of active itnim */ + struct list_head ioim_free_q; /* free IO resources */ + struct list_head ioim_resfree_q; /* IOs waiting for f/w */ + struct list_head ioim_comp_q; /* IO global comp Q */ + struct list_head tskim_free_q; + u32 ios_active; /* current active IOs */ + u32 delay_comp; + struct bfa_fcpim_del_itn_stats_s del_itn_stats; + bfa_boolean_t ioredirect; + bfa_boolean_t io_profile; + u32 io_profile_start_time; + bfa_fcpim_profile_t profile_comp; + bfa_fcpim_profile_t profile_start; +}; + +/** + * BFA IO (initiator mode) + */ +struct bfa_ioim_s { + struct list_head qe; /* queue elememt */ + bfa_sm_t sm; /* BFA ioim state machine */ + struct bfa_s *bfa; /* BFA module */ + struct bfa_fcpim_mod_s *fcpim; /* parent fcpim module */ + struct bfa_itnim_s *itnim; /* i-t-n nexus for this IO */ + struct bfad_ioim_s *dio; /* driver IO handle */ + u16 iotag; /* FWI IO tag */ + u16 abort_tag; /* unqiue abort request tag */ + u16 nsges; /* number of SG elements */ + u16 nsgpgs; /* number of SG pages */ + struct bfa_sgpg_s *sgpg; /* first SG page */ + struct list_head sgpg_q; /* allocated SG pages */ + struct bfa_cb_qe_s hcb_qe; /* bfa callback qelem */ + bfa_cb_cbfn_t io_cbfn; /* IO completion handler */ + struct bfa_ioim_sp_s *iosp; /* slow-path IO handling */ + u8 reqq; /* Request queue for I/O */ + u64 start_time; /* IO's Profile start val */ +}; + + +struct bfa_ioim_sp_s { + struct bfi_msg_s comp_rspmsg; /* IO comp f/w response */ + u8 *snsinfo; /* sense info for this IO */ + struct bfa_sgpg_wqe_s sgpg_wqe; /* waitq elem for sgpg */ + struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */ + bfa_boolean_t abort_explicit; /* aborted by OS */ + struct bfa_tskim_s *tskim; /* Relevant TM cmd */ +}; + +/** + * BFA Task management command (initiator mode) + */ +struct bfa_tskim_s { + struct list_head qe; + bfa_sm_t sm; + struct bfa_s *bfa; /* BFA module */ + struct bfa_fcpim_mod_s *fcpim; /* parent fcpim module */ + struct bfa_itnim_s *itnim; /* i-t-n nexus for this IO */ + struct bfad_tskim_s *dtsk; /* driver task mgmt cmnd */ + bfa_boolean_t notify; /* notify itnim on TM comp */ + lun_t lun; /* lun if applicable */ + enum fcp_tm_cmnd tm_cmnd; /* task management command */ + u16 tsk_tag; /* FWI IO tag */ + u8 tsecs; /* timeout in seconds */ + struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */ + struct list_head io_q; /* queue of affected IOs */ + struct bfa_wc_s wc; /* waiting counter */ + struct bfa_cb_qe_s hcb_qe; /* bfa callback qelem */ + enum bfi_tskim_status tsk_status; /* TM status */ +}; + + +/** + * BFA i-t-n (initiator mode) + */ +struct bfa_itnim_s { + struct list_head qe; /* queue element */ + bfa_sm_t sm; /* i-t-n im BFA state machine */ + struct bfa_s *bfa; /* bfa instance */ + struct bfa_rport_s *rport; /* bfa rport */ + void *ditn; /* driver i-t-n structure */ + struct bfi_mhdr_s mhdr; /* pre-built mhdr */ + u8 msg_no; /* itnim/rport firmware handle */ + u8 reqq; /* CQ for requests */ + struct bfa_cb_qe_s hcb_qe; /* bfa callback qelem */ + struct list_head pending_q; /* queue of pending IO requests */ + struct list_head io_q; /* queue of active IO requests */ + struct list_head io_cleanup_q; /* IO being cleaned up */ + struct list_head tsk_q; /* queue of active TM commands */ + struct list_head delay_comp_q; /* queue of failed inflight cmds */ + bfa_boolean_t seq_rec; /* SQER supported */ + bfa_boolean_t is_online; /* itnim is ONLINE for IO */ + bfa_boolean_t iotov_active; /* IO TOV timer is active */ + struct bfa_wc_s wc; /* waiting counter */ + struct bfa_timer_s timer; /* pending IO TOV */ + struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */ + struct bfa_fcpim_mod_s *fcpim; /* fcpim module */ + struct bfa_itnim_iostats_s stats; + struct bfa_itnim_ioprofile_s ioprofile; +}; + + +#define bfa_itnim_is_online(_itnim) ((_itnim)->is_online) +#define BFA_FCPIM_MOD(_hal) (&(_hal)->modules.fcpim_mod) +#define BFA_IOIM_FROM_TAG(_fcpim, _iotag) \ + (&fcpim->ioim_arr[(_iotag & BFA_IOIM_RETRY_TAG_MASK)]) +#define BFA_TSKIM_FROM_TAG(_fcpim, _tmtag) \ + (&fcpim->tskim_arr[_tmtag & (fcpim->num_tskim_reqs - 1)]) + +#define bfa_io_profile_start_time(_bfa) \ + (_bfa->modules.fcpim_mod.io_profile_start_time) +#define bfa_fcpim_get_io_profile(_bfa) \ + (_bfa->modules.fcpim_mod.io_profile) + +static inline bfa_boolean_t +bfa_ioim_get_iotag(struct bfa_ioim_s *ioim) +{ + u16 k = ioim->iotag; + + k >>= BFA_IOIM_RETRY_TAG_OFFSET; k++; + + if (k > BFA_IOIM_RETRY_MAX) + return BFA_FALSE; + ioim->iotag &= BFA_IOIM_RETRY_TAG_MASK; + ioim->iotag |= k<<BFA_IOIM_RETRY_TAG_OFFSET; + return BFA_TRUE; +} +/* + * function prototypes + */ +void bfa_ioim_attach(struct bfa_fcpim_mod_s *fcpim, + struct bfa_meminfo_s *minfo); +void bfa_ioim_detach(struct bfa_fcpim_mod_s *fcpim); +void bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); +void bfa_ioim_good_comp_isr(struct bfa_s *bfa, + struct bfi_msg_s *msg); +void bfa_ioim_cleanup(struct bfa_ioim_s *ioim); +void bfa_ioim_cleanup_tm(struct bfa_ioim_s *ioim, + struct bfa_tskim_s *tskim); +void bfa_ioim_iocdisable(struct bfa_ioim_s *ioim); +void bfa_ioim_tov(struct bfa_ioim_s *ioim); + +void bfa_tskim_attach(struct bfa_fcpim_mod_s *fcpim, + struct bfa_meminfo_s *minfo); +void bfa_tskim_detach(struct bfa_fcpim_mod_s *fcpim); +void bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); +void bfa_tskim_iodone(struct bfa_tskim_s *tskim); +void bfa_tskim_iocdisable(struct bfa_tskim_s *tskim); +void bfa_tskim_cleanup(struct bfa_tskim_s *tskim); + +void bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, + u32 *dm_len); +void bfa_itnim_attach(struct bfa_fcpim_mod_s *fcpim, + struct bfa_meminfo_s *minfo); +void bfa_itnim_detach(struct bfa_fcpim_mod_s *fcpim); +void bfa_itnim_iocdisable(struct bfa_itnim_s *itnim); +void bfa_itnim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); +void bfa_itnim_iodone(struct bfa_itnim_s *itnim); +void bfa_itnim_tskdone(struct bfa_itnim_s *itnim); +bfa_boolean_t bfa_itnim_hold_io(struct bfa_itnim_s *itnim); +void bfa_ioim_profile_comp(struct bfa_ioim_s *ioim); +void bfa_ioim_profile_start(struct bfa_ioim_s *ioim); + + +/* + * bfa fcpim module API functions + */ +void bfa_fcpim_path_tov_set(struct bfa_s *bfa, u16 path_tov); +u16 bfa_fcpim_path_tov_get(struct bfa_s *bfa); +void bfa_fcpim_qdepth_set(struct bfa_s *bfa, u16 q_depth); +u16 bfa_fcpim_qdepth_get(struct bfa_s *bfa); +bfa_status_t bfa_fcpim_get_modstats(struct bfa_s *bfa, + struct bfa_itnim_iostats_s *modstats); +bfa_status_t bfa_fcpim_port_iostats(struct bfa_s *bfa, + struct bfa_itnim_iostats_s *stats, u8 lp_tag); +bfa_status_t bfa_fcpim_get_del_itn_stats(struct bfa_s *bfa, + struct bfa_fcpim_del_itn_stats_s *modstats); +bfa_status_t bfa_fcpim_port_clear_iostats(struct bfa_s *bfa, u8 lp_tag); +void bfa_fcpim_add_stats(struct bfa_itnim_iostats_s *fcpim_stats, + struct bfa_itnim_iostats_s *itnim_stats); +bfa_status_t bfa_fcpim_clr_modstats(struct bfa_s *bfa); +void bfa_fcpim_set_ioredirect(struct bfa_s *bfa, + bfa_boolean_t state); +void bfa_fcpim_update_ioredirect(struct bfa_s *bfa); +bfa_status_t bfa_fcpim_profile_on(struct bfa_s *bfa, u32 time); +bfa_status_t bfa_fcpim_profile_off(struct bfa_s *bfa); +#define bfa_fcpim_ioredirect_enabled(__bfa) \ + (((struct bfa_fcpim_mod_s *)(BFA_FCPIM_MOD(__bfa)))->ioredirect) + +#define bfa_fcpim_get_next_reqq(__bfa, __qid) \ +{ \ + struct bfa_fcpim_mod_s *__fcpim = BFA_FCPIM_MOD(__bfa); \ + __fcpim->reqq++; \ + __fcpim->reqq &= (BFI_IOC_MAX_CQS - 1); \ + *(__qid) = __fcpim->reqq; \ +} + +#define bfa_iocfc_map_msg_to_qid(__msg, __qid) \ + *(__qid) = (u8)((__msg) & (BFI_IOC_MAX_CQS - 1)); +/* + * bfa itnim API functions + */ +struct bfa_itnim_s *bfa_itnim_create(struct bfa_s *bfa, + struct bfa_rport_s *rport, void *itnim); +void bfa_itnim_delete(struct bfa_itnim_s *itnim); +void bfa_itnim_online(struct bfa_itnim_s *itnim, + bfa_boolean_t seq_rec); +void bfa_itnim_offline(struct bfa_itnim_s *itnim); +void bfa_itnim_get_stats(struct bfa_itnim_s *itnim, + struct bfa_itnim_iostats_s *stats); +void bfa_itnim_clear_stats(struct bfa_itnim_s *itnim); +bfa_status_t bfa_itnim_get_ioprofile(struct bfa_itnim_s *itnim, + struct bfa_itnim_ioprofile_s *ioprofile); +#define bfa_itnim_get_reqq(__ioim) (((struct bfa_ioim_s *)__ioim)->itnim->reqq) + +/** + * BFA completion callback for bfa_itnim_online(). + * + * @param[in] itnim FCS or driver itnim instance + * + * return None + */ +void bfa_cb_itnim_online(void *itnim); + +/** + * BFA completion callback for bfa_itnim_offline(). + * + * @param[in] itnim FCS or driver itnim instance + * + * return None + */ +void bfa_cb_itnim_offline(void *itnim); +void bfa_cb_itnim_tov_begin(void *itnim); +void bfa_cb_itnim_tov(void *itnim); + +/** + * BFA notification to FCS/driver for second level error recovery. + * + * Atleast one I/O request has timedout and target is unresponsive to + * repeated abort requests. Second level error recovery should be initiated + * by starting implicit logout and recovery procedures. + * + * @param[in] itnim FCS or driver itnim instance + * + * return None + */ +void bfa_cb_itnim_sler(void *itnim); + +/* + * bfa ioim API functions + */ +struct bfa_ioim_s *bfa_ioim_alloc(struct bfa_s *bfa, + struct bfad_ioim_s *dio, + struct bfa_itnim_s *itnim, + u16 nsgles); + +void bfa_ioim_free(struct bfa_ioim_s *ioim); +void bfa_ioim_start(struct bfa_ioim_s *ioim); +bfa_status_t bfa_ioim_abort(struct bfa_ioim_s *ioim); +void bfa_ioim_delayed_comp(struct bfa_ioim_s *ioim, + bfa_boolean_t iotov); + + +/** + * I/O completion notification. + * + * @param[in] dio driver IO structure + * @param[in] io_status IO completion status + * @param[in] scsi_status SCSI status returned by target + * @param[in] sns_len SCSI sense length, 0 if none + * @param[in] sns_info SCSI sense data, if any + * @param[in] residue Residual length + * + * @return None + */ +void bfa_cb_ioim_done(void *bfad, struct bfad_ioim_s *dio, + enum bfi_ioim_status io_status, + u8 scsi_status, int sns_len, + u8 *sns_info, s32 residue); + +/** + * I/O good completion notification. + * + * @param[in] dio driver IO structure + * + * @return None + */ +void bfa_cb_ioim_good_comp(void *bfad, struct bfad_ioim_s *dio); + +/** + * I/O abort completion notification + * + * @param[in] dio driver IO that was aborted + * + * @return None + */ +void bfa_cb_ioim_abort(void *bfad, struct bfad_ioim_s *dio); + +/* + * bfa tskim API functions + */ +struct bfa_tskim_s *bfa_tskim_alloc(struct bfa_s *bfa, + struct bfad_tskim_s *dtsk); +void bfa_tskim_free(struct bfa_tskim_s *tskim); +void bfa_tskim_start(struct bfa_tskim_s *tskim, + struct bfa_itnim_s *itnim, lun_t lun, + enum fcp_tm_cmnd tm, u8 t_secs); +void bfa_cb_tskim_done(void *bfad, struct bfad_tskim_s *dtsk, + enum bfi_tskim_status tsk_status); + +#endif /* __BFA_FCPIM_H__ */ diff --git a/drivers/scsi/bfa/bfa_fcpim_priv.h b/drivers/scsi/bfa/bfa_fcpim_priv.h deleted file mode 100644 index 762516cb5cb2..000000000000 --- a/drivers/scsi/bfa/bfa_fcpim_priv.h +++ /dev/null @@ -1,192 +0,0 @@ -/* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - * - * Linux driver for Brocade Fibre Channel Host Bus Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ - -#ifndef __BFA_FCPIM_PRIV_H__ -#define __BFA_FCPIM_PRIV_H__ - -#include <bfa_fcpim.h> -#include <defs/bfa_defs_fcpim.h> -#include <cs/bfa_wc.h> -#include "bfa_sgpg_priv.h" - -#define BFA_ITNIM_MIN 32 -#define BFA_ITNIM_MAX 1024 - -#define BFA_IOIM_MIN 8 -#define BFA_IOIM_MAX 2000 - -#define BFA_TSKIM_MIN 4 -#define BFA_TSKIM_MAX 512 -#define BFA_FCPIM_PATHTOV_DEF (30 * 1000) /* in millisecs */ -#define BFA_FCPIM_PATHTOV_MAX (90 * 1000) /* in millisecs */ - -#define bfa_fcpim_stats(__fcpim, __stats) \ - ((__fcpim)->stats.__stats++) - -struct bfa_fcpim_mod_s { - struct bfa_s *bfa; - struct bfa_itnim_s *itnim_arr; - struct bfa_ioim_s *ioim_arr; - struct bfa_ioim_sp_s *ioim_sp_arr; - struct bfa_tskim_s *tskim_arr; - struct bfa_dma_s snsbase; - int num_itnims; - int num_ioim_reqs; - int num_tskim_reqs; - u32 path_tov; - u16 q_depth; - u8 reqq; /* Request queue to be used */ - u8 rsvd; - struct list_head itnim_q; /* queue of active itnim */ - struct list_head ioim_free_q; /* free IO resources */ - struct list_head ioim_resfree_q; /* IOs waiting for f/w */ - struct list_head ioim_comp_q; /* IO global comp Q */ - struct list_head tskim_free_q; - u32 ios_active; /* current active IOs */ - u32 delay_comp; - struct bfa_fcpim_stats_s stats; - bfa_boolean_t ioredirect; -}; - -struct bfa_ioim_s; -struct bfa_tskim_s; - -/** - * BFA IO (initiator mode) - */ -struct bfa_ioim_s { - struct list_head qe; /* queue elememt */ - bfa_sm_t sm; /* BFA ioim state machine */ - struct bfa_s *bfa; /* BFA module */ - struct bfa_fcpim_mod_s *fcpim; /* parent fcpim module */ - struct bfa_itnim_s *itnim; /* i-t-n nexus for this IO */ - struct bfad_ioim_s *dio; /* driver IO handle */ - u16 iotag; /* FWI IO tag */ - u16 abort_tag; /* unqiue abort request tag */ - u16 nsges; /* number of SG elements */ - u16 nsgpgs; /* number of SG pages */ - struct bfa_sgpg_s *sgpg; /* first SG page */ - struct list_head sgpg_q; /* allocated SG pages */ - struct bfa_cb_qe_s hcb_qe; /* bfa callback qelem */ - bfa_cb_cbfn_t io_cbfn; /* IO completion handler */ - struct bfa_ioim_sp_s *iosp; /* slow-path IO handling */ - u8 reqq; /* Request queue for I/O */ -}; - -struct bfa_ioim_sp_s { - struct bfi_msg_s comp_rspmsg; /* IO comp f/w response */ - u8 *snsinfo; /* sense info for this IO */ - struct bfa_sgpg_wqe_s sgpg_wqe; /* waitq elem for sgpg */ - struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */ - bfa_boolean_t abort_explicit; /* aborted by OS */ - struct bfa_tskim_s *tskim; /* Relevant TM cmd */ -}; - -/** - * BFA Task management command (initiator mode) - */ -struct bfa_tskim_s { - struct list_head qe; - bfa_sm_t sm; - struct bfa_s *bfa; /* BFA module */ - struct bfa_fcpim_mod_s *fcpim; /* parent fcpim module */ - struct bfa_itnim_s *itnim; /* i-t-n nexus for this IO */ - struct bfad_tskim_s *dtsk; /* driver task mgmt cmnd */ - bfa_boolean_t notify; /* notify itnim on TM comp */ - lun_t lun; /* lun if applicable */ - enum fcp_tm_cmnd tm_cmnd; /* task management command */ - u16 tsk_tag; /* FWI IO tag */ - u8 tsecs; /* timeout in seconds */ - struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */ - struct list_head io_q; /* queue of affected IOs */ - struct bfa_wc_s wc; /* waiting counter */ - struct bfa_cb_qe_s hcb_qe; /* bfa callback qelem */ - enum bfi_tskim_status tsk_status; /* TM status */ -}; - -/** - * BFA i-t-n (initiator mode) - */ -struct bfa_itnim_s { - struct list_head qe; /* queue element */ - bfa_sm_t sm; /* i-t-n im BFA state machine */ - struct bfa_s *bfa; /* bfa instance */ - struct bfa_rport_s *rport; /* bfa rport */ - void *ditn; /* driver i-t-n structure */ - struct bfi_mhdr_s mhdr; /* pre-built mhdr */ - u8 msg_no; /* itnim/rport firmware handle */ - u8 reqq; /* CQ for requests */ - struct bfa_cb_qe_s hcb_qe; /* bfa callback qelem */ - struct list_head pending_q; /* queue of pending IO requests*/ - struct list_head io_q; /* queue of active IO requests */ - struct list_head io_cleanup_q; /* IO being cleaned up */ - struct list_head tsk_q; /* queue of active TM commands */ - struct list_head delay_comp_q;/* queue of failed inflight cmds */ - bfa_boolean_t seq_rec; /* SQER supported */ - bfa_boolean_t is_online; /* itnim is ONLINE for IO */ - bfa_boolean_t iotov_active; /* IO TOV timer is active */ - struct bfa_wc_s wc; /* waiting counter */ - struct bfa_timer_s timer; /* pending IO TOV */ - struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */ - struct bfa_fcpim_mod_s *fcpim; /* fcpim module */ - struct bfa_itnim_hal_stats_s stats; - struct bfa_itnim_latency_s io_latency; -}; - -#define bfa_itnim_is_online(_itnim) ((_itnim)->is_online) -#define BFA_FCPIM_MOD(_hal) (&(_hal)->modules.fcpim_mod) -#define BFA_IOIM_FROM_TAG(_fcpim, _iotag) \ - (&fcpim->ioim_arr[_iotag]) -#define BFA_TSKIM_FROM_TAG(_fcpim, _tmtag) \ - (&fcpim->tskim_arr[_tmtag & (fcpim->num_tskim_reqs - 1)]) - -/* - * function prototypes - */ -void bfa_ioim_attach(struct bfa_fcpim_mod_s *fcpim, - struct bfa_meminfo_s *minfo); -void bfa_ioim_detach(struct bfa_fcpim_mod_s *fcpim); -void bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); -void bfa_ioim_good_comp_isr(struct bfa_s *bfa, - struct bfi_msg_s *msg); -void bfa_ioim_cleanup(struct bfa_ioim_s *ioim); -void bfa_ioim_cleanup_tm(struct bfa_ioim_s *ioim, - struct bfa_tskim_s *tskim); -void bfa_ioim_iocdisable(struct bfa_ioim_s *ioim); -void bfa_ioim_tov(struct bfa_ioim_s *ioim); - -void bfa_tskim_attach(struct bfa_fcpim_mod_s *fcpim, - struct bfa_meminfo_s *minfo); -void bfa_tskim_detach(struct bfa_fcpim_mod_s *fcpim); -void bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); -void bfa_tskim_iodone(struct bfa_tskim_s *tskim); -void bfa_tskim_iocdisable(struct bfa_tskim_s *tskim); -void bfa_tskim_cleanup(struct bfa_tskim_s *tskim); - -void bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, - u32 *dm_len); -void bfa_itnim_attach(struct bfa_fcpim_mod_s *fcpim, - struct bfa_meminfo_s *minfo); -void bfa_itnim_detach(struct bfa_fcpim_mod_s *fcpim); -void bfa_itnim_iocdisable(struct bfa_itnim_s *itnim); -void bfa_itnim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); -void bfa_itnim_iodone(struct bfa_itnim_s *itnim); -void bfa_itnim_tskdone(struct bfa_itnim_s *itnim); -bfa_boolean_t bfa_itnim_hold_io(struct bfa_itnim_s *itnim); - -#endif /* __BFA_FCPIM_PRIV_H__ */ - diff --git a/drivers/scsi/bfa/bfa_fcport.c b/drivers/scsi/bfa/bfa_fcport.c deleted file mode 100644 index 76867b5577fa..000000000000 --- a/drivers/scsi/bfa/bfa_fcport.c +++ /dev/null @@ -1,1962 +0,0 @@ -/* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - * - * Linux driver for Brocade Fibre Channel Host Bus Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ - -#include <bfa.h> -#include <bfa_svc.h> -#include <bfi/bfi_pport.h> -#include <bfi/bfi_pbc.h> -#include <cs/bfa_debug.h> -#include <aen/bfa_aen.h> -#include <cs/bfa_plog.h> -#include <aen/bfa_aen_port.h> - -BFA_TRC_FILE(HAL, FCPORT); -BFA_MODULE(fcport); - -/* - * The port is considered disabled if corresponding physical port or IOC are - * disabled explicitly - */ -#define BFA_PORT_IS_DISABLED(bfa) \ - ((bfa_fcport_is_disabled(bfa) == BFA_TRUE) || \ - (bfa_ioc_is_disabled(&bfa->ioc) == BFA_TRUE)) - -/* - * forward declarations - */ -static bfa_boolean_t bfa_fcport_send_enable(struct bfa_fcport_s *fcport); -static bfa_boolean_t bfa_fcport_send_disable(struct bfa_fcport_s *fcport); -static void bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport); -static void bfa_fcport_reset_linkinfo(struct bfa_fcport_s *fcport); -static void bfa_fcport_set_wwns(struct bfa_fcport_s *fcport); -static void __bfa_cb_fcport_event(void *cbarg, bfa_boolean_t complete); -static void bfa_fcport_callback(struct bfa_fcport_s *fcport, - enum bfa_pport_linkstate event); -static void bfa_fcport_queue_cb(struct bfa_fcport_ln_s *ln, - enum bfa_pport_linkstate event); -static void __bfa_cb_fcport_stats_clr(void *cbarg, bfa_boolean_t complete); -static void bfa_fcport_stats_get_timeout(void *cbarg); -static void bfa_fcport_stats_clr_timeout(void *cbarg); - -/** - * bfa_pport_private - */ - -/** - * BFA port state machine events - */ -enum bfa_fcport_sm_event { - BFA_FCPORT_SM_START = 1, /* start port state machine */ - BFA_FCPORT_SM_STOP = 2, /* stop port state machine */ - BFA_FCPORT_SM_ENABLE = 3, /* enable port */ - BFA_FCPORT_SM_DISABLE = 4, /* disable port state machine */ - BFA_FCPORT_SM_FWRSP = 5, /* firmware enable/disable rsp */ - BFA_FCPORT_SM_LINKUP = 6, /* firmware linkup event */ - BFA_FCPORT_SM_LINKDOWN = 7, /* firmware linkup down */ - BFA_FCPORT_SM_QRESUME = 8, /* CQ space available */ - BFA_FCPORT_SM_HWFAIL = 9, /* IOC h/w failure */ -}; - -/** - * BFA port link notification state machine events - */ - -enum bfa_fcport_ln_sm_event { - BFA_FCPORT_LN_SM_LINKUP = 1, /* linkup event */ - BFA_FCPORT_LN_SM_LINKDOWN = 2, /* linkdown event */ - BFA_FCPORT_LN_SM_NOTIFICATION = 3 /* done notification */ -}; - -static void bfa_fcport_sm_uninit(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_enabling(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_disabling(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_disabling_qwait(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_disabled(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_stopped(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_iocdown(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_iocfail(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); - -static void bfa_fcport_ln_sm_dn(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event); -static void bfa_fcport_ln_sm_dn_nf(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event); -static void bfa_fcport_ln_sm_dn_up_nf(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event); -static void bfa_fcport_ln_sm_up(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event); -static void bfa_fcport_ln_sm_up_nf(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event); -static void bfa_fcport_ln_sm_up_dn_nf(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event); -static void bfa_fcport_ln_sm_up_dn_up_nf(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event); - -static struct bfa_sm_table_s hal_pport_sm_table[] = { - {BFA_SM(bfa_fcport_sm_uninit), BFA_PPORT_ST_UNINIT}, - {BFA_SM(bfa_fcport_sm_enabling_qwait), BFA_PPORT_ST_ENABLING_QWAIT}, - {BFA_SM(bfa_fcport_sm_enabling), BFA_PPORT_ST_ENABLING}, - {BFA_SM(bfa_fcport_sm_linkdown), BFA_PPORT_ST_LINKDOWN}, - {BFA_SM(bfa_fcport_sm_linkup), BFA_PPORT_ST_LINKUP}, - {BFA_SM(bfa_fcport_sm_disabling_qwait), BFA_PPORT_ST_DISABLING_QWAIT}, - {BFA_SM(bfa_fcport_sm_disabling), BFA_PPORT_ST_DISABLING}, - {BFA_SM(bfa_fcport_sm_disabled), BFA_PPORT_ST_DISABLED}, - {BFA_SM(bfa_fcport_sm_stopped), BFA_PPORT_ST_STOPPED}, - {BFA_SM(bfa_fcport_sm_iocdown), BFA_PPORT_ST_IOCDOWN}, - {BFA_SM(bfa_fcport_sm_iocfail), BFA_PPORT_ST_IOCDOWN}, -}; - -static void -bfa_fcport_aen_post(struct bfa_fcport_s *fcport, enum bfa_port_aen_event event) -{ - union bfa_aen_data_u aen_data; - struct bfa_log_mod_s *logmod = fcport->bfa->logm; - wwn_t pwwn = fcport->pwwn; - char pwwn_ptr[BFA_STRING_32]; - - memset(&aen_data, 0, sizeof(aen_data)); - wwn2str(pwwn_ptr, pwwn); - bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, event), pwwn_ptr); - - aen_data.port.ioc_type = bfa_get_type(fcport->bfa); - aen_data.port.pwwn = pwwn; -} - -static void -bfa_fcport_sm_uninit(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event) -{ - bfa_trc(fcport->bfa, event); - - switch (event) { - case BFA_FCPORT_SM_START: - /** - * Start event after IOC is configured and BFA is started. - */ - if (bfa_fcport_send_enable(fcport)) - bfa_sm_set_state(fcport, bfa_fcport_sm_enabling); - else - bfa_sm_set_state(fcport, bfa_fcport_sm_enabling_qwait); - break; - - case BFA_FCPORT_SM_ENABLE: - /** - * Port is persistently configured to be in enabled state. Do - * not change state. Port enabling is done when START event is - * received. - */ - break; - - case BFA_FCPORT_SM_DISABLE: - /** - * If a port is persistently configured to be disabled, the - * first event will a port disable request. - */ - bfa_sm_set_state(fcport, bfa_fcport_sm_disabled); - break; - - case BFA_FCPORT_SM_HWFAIL: - bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown); - break; |