2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
8 * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com)
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2, or (at your option)
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; see the file COPYING. If not, write to
22 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include <linux/kernel.h>
27 #include <linux/init.h>
28 #include <linux/types.h>
29 #include <linux/sched.h>
30 #include <linux/pci.h>
31 #include <linux/spinlock.h>
32 #include <linux/slab.h>
33 #include <linux/completion.h>
34 #include <linux/blkdev.h>
35 #include <asm/semaphore.h>
36 #include <asm/uaccess.h>
38 #include <scsi/scsi.h>
39 #include <scsi/scsi_cmnd.h>
40 #include <scsi/scsi_device.h>
41 #include <scsi/scsi_host.h>
45 /* values for inqd_pdt: Peripheral device type in plain English */
46 #define INQD_PDT_DA 0x00 /* Direct-access (DISK) device */
47 #define INQD_PDT_PROC 0x03 /* Processor device */
48 #define INQD_PDT_CHNGR 0x08 /* Changer (jukebox, scsi2) */
49 #define INQD_PDT_COMM 0x09 /* Communication device (scsi2) */
50 #define INQD_PDT_NOLUN2 0x1f /* Unknown Device (scsi2) */
51 #define INQD_PDT_NOLUN 0x7f /* Logical Unit Not Present */
53 #define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */
54 #define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */
60 #define SENCODE_NO_SENSE 0x00
61 #define SENCODE_END_OF_DATA 0x00
62 #define SENCODE_BECOMING_READY 0x04
63 #define SENCODE_INIT_CMD_REQUIRED 0x04
64 #define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A
65 #define SENCODE_INVALID_COMMAND 0x20
66 #define SENCODE_LBA_OUT_OF_RANGE 0x21
67 #define SENCODE_INVALID_CDB_FIELD 0x24
68 #define SENCODE_LUN_NOT_SUPPORTED 0x25
69 #define SENCODE_INVALID_PARAM_FIELD 0x26
70 #define SENCODE_PARAM_NOT_SUPPORTED 0x26
71 #define SENCODE_PARAM_VALUE_INVALID 0x26
72 #define SENCODE_RESET_OCCURRED 0x29
73 #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x3E
74 #define SENCODE_INQUIRY_DATA_CHANGED 0x3F
75 #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x39
76 #define SENCODE_DIAGNOSTIC_FAILURE 0x40
77 #define SENCODE_INTERNAL_TARGET_FAILURE 0x44
78 #define SENCODE_INVALID_MESSAGE_ERROR 0x49
79 #define SENCODE_LUN_FAILED_SELF_CONFIG 0x4c
80 #define SENCODE_OVERLAPPED_COMMAND 0x4E
83 * Additional sense codes
86 #define ASENCODE_NO_SENSE 0x00
87 #define ASENCODE_END_OF_DATA 0x05
88 #define ASENCODE_BECOMING_READY 0x01
89 #define ASENCODE_INIT_CMD_REQUIRED 0x02
90 #define ASENCODE_PARAM_LIST_LENGTH_ERROR 0x00
91 #define ASENCODE_INVALID_COMMAND 0x00
92 #define ASENCODE_LBA_OUT_OF_RANGE 0x00
93 #define ASENCODE_INVALID_CDB_FIELD 0x00
94 #define ASENCODE_LUN_NOT_SUPPORTED 0x00
95 #define ASENCODE_INVALID_PARAM_FIELD 0x00
96 #define ASENCODE_PARAM_NOT_SUPPORTED 0x01
97 #define ASENCODE_PARAM_VALUE_INVALID 0x02
98 #define ASENCODE_RESET_OCCURRED 0x00
99 #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x00
100 #define ASENCODE_INQUIRY_DATA_CHANGED 0x03
101 #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x00
102 #define ASENCODE_DIAGNOSTIC_FAILURE 0x80
103 #define ASENCODE_INTERNAL_TARGET_FAILURE 0x00
104 #define ASENCODE_INVALID_MESSAGE_ERROR 0x00
105 #define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00
106 #define ASENCODE_OVERLAPPED_COMMAND 0x00
108 #define BYTE0(x) (unsigned char)(x)
109 #define BYTE1(x) (unsigned char)((x) >> 8)
110 #define BYTE2(x) (unsigned char)((x) >> 16)
111 #define BYTE3(x) (unsigned char)((x) >> 24)
113 /*------------------------------------------------------------------------------
114 * S T R U C T S / T Y P E D E F S
115 *----------------------------------------------------------------------------*/
116 /* SCSI inquiry data */
117 struct inquiry_data {
118 u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */
119 u8 inqd_dtq; /* RMB | Device Type Qualifier */
120 u8 inqd_ver; /* ISO version | ECMA version | ANSI-approved version */
121 u8 inqd_rdf; /* AENC | TrmIOP | Response data format */
122 u8 inqd_len; /* Additional length (n-4) */
123 u8 inqd_pad1[2];/* Reserved - must be zero */
124 u8 inqd_pad2; /* RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
125 u8 inqd_vid[8]; /* Vendor ID */
126 u8 inqd_pid[16];/* Product ID */
127 u8 inqd_prl[4]; /* Product Revision Level */
131 * M O D U L E G L O B A L S
134 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap);
135 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg);
136 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg);
137 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
138 #ifdef AAC_DETAILED_STATUS_INFO
139 static char *aac_get_status_string(u32 status);
143 * Non dasd selection is handled entirely in aachba now
146 static int nondasd = -1;
147 static int dacmode = -1;
149 static int commit = -1;
151 module_param(nondasd, int, 0);
152 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on");
153 module_param(dacmode, int, 0);
154 MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on");
155 module_param(commit, int, 0);
156 MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the adapter for foreign arrays.\nThis is typically needed in systems that do not have a BIOS. 0=off, 1=on");
159 module_param(numacb, int, S_IRUGO|S_IWUSR);
160 MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control blocks (FIB) allocated. Valid\nvalues are 512 and down. Default is to use suggestion from Firmware.");
163 module_param(acbsize, int, S_IRUGO|S_IWUSR);
164 MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB) size. Valid values are 512,\n2048, 4096 and 8192. Default is to use suggestion from Firmware.");
166 * aac_get_config_status - check the adapter configuration
167 * @common: adapter to query
169 * Query config status, and commit the configuration if needed.
171 int aac_get_config_status(struct aac_dev *dev)
176 if (!(fibptr = fib_alloc(dev)))
181 struct aac_get_config_status *dinfo;
182 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
184 dinfo->command = cpu_to_le32(VM_ContainerConfig);
185 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
186 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
189 status = fib_send(ContainerCommand,
191 sizeof (struct aac_get_config_status),
196 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
198 struct aac_get_config_status_resp *reply
199 = (struct aac_get_config_status_resp *) fib_data(fibptr);
200 dprintk((KERN_WARNING
201 "aac_get_config_status: response=%d status=%d action=%d\n",
202 le32_to_cpu(reply->response),
203 le32_to_cpu(reply->status),
204 le32_to_cpu(reply->data.action)));
205 if ((le32_to_cpu(reply->response) != ST_OK) ||
206 (le32_to_cpu(reply->status) != CT_OK) ||
207 (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
208 printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
212 fib_complete(fibptr);
213 /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
216 struct aac_commit_config * dinfo;
218 dinfo = (struct aac_commit_config *) fib_data(fibptr);
220 dinfo->command = cpu_to_le32(VM_ContainerConfig);
221 dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
223 status = fib_send(ContainerCommand,
225 sizeof (struct aac_commit_config),
229 fib_complete(fibptr);
230 } else if (commit == 0) {
232 "aac_get_config_status: Foreign device configurations are being ignored\n");
240 * aac_get_containers - list containers
241 * @common: adapter to probe
243 * Make a list of all containers on this controller
245 int aac_get_containers(struct aac_dev *dev)
247 struct fsa_dev_info *fsa_dev_ptr;
252 struct aac_get_container_count *dinfo;
253 struct aac_get_container_count_resp *dresp;
254 int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
256 instance = dev->scsi_host_ptr->unique_id;
258 if (!(fibptr = fib_alloc(dev)))
262 dinfo = (struct aac_get_container_count *) fib_data(fibptr);
263 dinfo->command = cpu_to_le32(VM_ContainerConfig);
264 dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
266 status = fib_send(ContainerCommand,
268 sizeof (struct aac_get_container_count),
273 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
274 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
275 fib_complete(fibptr);
278 if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
279 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
280 fsa_dev_ptr = (struct fsa_dev_info *) kmalloc(
281 sizeof(*fsa_dev_ptr) * maximum_num_containers, GFP_KERNEL);
286 memset(fsa_dev_ptr, 0, sizeof(*fsa_dev_ptr) * maximum_num_containers);
288 dev->fsa_dev = fsa_dev_ptr;
289 dev->maximum_num_containers = maximum_num_containers;
291 for (index = 0; index < dev->maximum_num_containers; index++) {
292 struct aac_query_mount *dinfo;
293 struct aac_mount *dresp;
295 fsa_dev_ptr[index].devname[0] = '\0';
298 dinfo = (struct aac_query_mount *) fib_data(fibptr);
300 dinfo->command = cpu_to_le32(VM_NameServe);
301 dinfo->count = cpu_to_le32(index);
302 dinfo->type = cpu_to_le32(FT_FILESYS);
304 status = fib_send(ContainerCommand,
306 sizeof (struct aac_query_mount),
311 printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
314 dresp = (struct aac_mount *)fib_data(fibptr);
316 if ((le32_to_cpu(dresp->status) == ST_OK) &&
317 (le32_to_cpu(dresp->mnt[0].vol) == CT_NONE)) {
318 dinfo->command = cpu_to_le32(VM_NameServe64);
319 dinfo->count = cpu_to_le32(index);
320 dinfo->type = cpu_to_le32(FT_FILESYS);
322 if (fib_send(ContainerCommand,
324 sizeof(struct aac_query_mount),
330 dresp->mnt[0].capacityhigh = 0;
333 "VM_NameServe cid=%d status=%d vol=%d state=%d cap=%llu\n",
334 (int)index, (int)le32_to_cpu(dresp->status),
335 (int)le32_to_cpu(dresp->mnt[0].vol),
336 (int)le32_to_cpu(dresp->mnt[0].state),
337 ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
338 (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32)));
339 if ((le32_to_cpu(dresp->status) == ST_OK) &&
340 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
341 (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
342 fsa_dev_ptr[index].valid = 1;
343 fsa_dev_ptr[index].type = le32_to_cpu(dresp->mnt[0].vol);
344 fsa_dev_ptr[index].size
345 = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
346 (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
347 if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY)
348 fsa_dev_ptr[index].ro = 1;
350 fib_complete(fibptr);
352 * If there are no more containers, then stop asking.
354 if ((index + 1) >= le32_to_cpu(dresp->count)){
362 static void aac_io_done(struct scsi_cmnd * scsicmd)
364 unsigned long cpu_flags;
365 struct Scsi_Host *host = scsicmd->device->host;
366 spin_lock_irqsave(host->host_lock, cpu_flags);
367 scsicmd->scsi_done(scsicmd);
368 spin_unlock_irqrestore(host->host_lock, cpu_flags);
371 static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len)
374 unsigned int transfer_len;
375 struct scatterlist *sg = scsicmd->request_buffer;
377 if (scsicmd->use_sg) {
378 buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
379 transfer_len = min(sg->length, len + offset);
381 buf = scsicmd->request_buffer;
382 transfer_len = min(scsicmd->request_bufflen, len + offset);
385 memcpy(buf + offset, data, transfer_len - offset);
388 kunmap_atomic(buf - sg->offset, KM_IRQ0);
392 static void get_container_name_callback(void *context, struct fib * fibptr)
394 struct aac_get_name_resp * get_name_reply;
395 struct scsi_cmnd * scsicmd;
397 scsicmd = (struct scsi_cmnd *) context;
399 dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
403 get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
404 /* Failure is irrelevant, using default value instead */
405 if ((le32_to_cpu(get_name_reply->status) == CT_OK)
406 && (get_name_reply->data[0] != '\0')) {
407 char *sp = get_name_reply->data;
408 sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
412 char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
413 int count = sizeof(d);
416 *dp++ = (*sp) ? *sp++ : ' ';
417 } while (--count > 0);
418 aac_internal_transfer(scsicmd, d,
419 offsetof(struct inquiry_data, inqd_pid), sizeof(d));
423 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
425 fib_complete(fibptr);
427 aac_io_done(scsicmd);
431 * aac_get_container_name - get container name, none blocking.
433 static int aac_get_container_name(struct scsi_cmnd * scsicmd, int cid)
436 struct aac_get_name *dinfo;
437 struct fib * cmd_fibcontext;
438 struct aac_dev * dev;
440 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
442 if (!(cmd_fibcontext = fib_alloc(dev)))
445 fib_init(cmd_fibcontext);
446 dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
448 dinfo->command = cpu_to_le32(VM_ContainerConfig);
449 dinfo->type = cpu_to_le32(CT_READ_NAME);
450 dinfo->cid = cpu_to_le32(cid);
451 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
453 status = fib_send(ContainerCommand,
455 sizeof (struct aac_get_name),
458 (fib_callback) get_container_name_callback,
462 * Check that the command queued to the controller
464 if (status == -EINPROGRESS)
467 printk(KERN_WARNING "aac_get_container_name: fib_send failed with status: %d.\n", status);
468 fib_complete(cmd_fibcontext);
469 fib_free(cmd_fibcontext);
474 * probe_container - query a logical volume
475 * @dev: device to query
476 * @cid: container identifier
478 * Queries the controller about the given volume. The volume information
479 * is updated in the struct fsa_dev_info structure rather than returned.
482 int probe_container(struct aac_dev *dev, int cid)
484 struct fsa_dev_info *fsa_dev_ptr;
486 struct aac_query_mount *dinfo;
487 struct aac_mount *dresp;
491 fsa_dev_ptr = dev->fsa_dev;
492 instance = dev->scsi_host_ptr->unique_id;
494 if (!(fibptr = fib_alloc(dev)))
499 dinfo = (struct aac_query_mount *)fib_data(fibptr);
501 dinfo->command = cpu_to_le32(VM_NameServe);
502 dinfo->count = cpu_to_le32(cid);
503 dinfo->type = cpu_to_le32(FT_FILESYS);
505 status = fib_send(ContainerCommand,
507 sizeof(struct aac_query_mount),
512 printk(KERN_WARNING "aacraid: probe_container query failed.\n");
516 dresp = (struct aac_mount *) fib_data(fibptr);
518 if ((le32_to_cpu(dresp->status) == ST_OK) &&
519 (le32_to_cpu(dresp->mnt[0].vol) == CT_NONE)) {
520 dinfo->command = cpu_to_le32(VM_NameServe64);
521 dinfo->count = cpu_to_le32(cid);
522 dinfo->type = cpu_to_le32(FT_FILESYS);
524 if (fib_send(ContainerCommand,
526 sizeof(struct aac_query_mount),
532 dresp->mnt[0].capacityhigh = 0;
534 if ((le32_to_cpu(dresp->status) == ST_OK) &&
535 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
536 (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
537 fsa_dev_ptr[cid].valid = 1;
538 fsa_dev_ptr[cid].type = le32_to_cpu(dresp->mnt[0].vol);
539 fsa_dev_ptr[cid].size
540 = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
541 (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
542 if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY)
543 fsa_dev_ptr[cid].ro = 1;
547 fib_complete(fibptr);
553 /* Local Structure to set SCSI inquiry data strings */
555 char vid[8]; /* Vendor ID */
556 char pid[16]; /* Product ID */
557 char prl[4]; /* Product Revision Level */
561 * InqStrCopy - string merge
562 * @a: string to copy from
563 * @b: string to copy to
565 * Copy a String from one location to another
569 static void inqstrcpy(char *a, char *b)
576 static char *container_types[] = {
602 /* Function: setinqstr
604 * Arguments: [1] pointer to void [1] int
606 * Purpose: Sets SCSI inquiry data strings for vendor, product
607 * and revision level. Allows strings to be set in platform dependant
608 * files instead of in OS dependant driver source.
611 static void setinqstr(struct aac_dev *dev, void *data, int tindex)
613 struct scsi_inq *str;
615 str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
616 memset(str, ' ', sizeof(*str));
618 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
619 char * cp = dev->supplement_adapter_info.AdapterTypeText;
620 int c = sizeof(str->vid);
621 while (*cp && *cp != ' ' && --c)
625 inqstrcpy (dev->supplement_adapter_info.AdapterTypeText,
628 while (*cp && *cp != ' ')
632 /* last six chars reserved for vol type */
634 if (strlen(cp) > sizeof(str->pid)) {
635 c = cp[sizeof(str->pid)];
636 cp[sizeof(str->pid)] = '\0';
638 inqstrcpy (cp, str->pid);
640 cp[sizeof(str->pid)] = c;
642 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
644 inqstrcpy (mp->vname, str->vid);
645 /* last six chars reserved for vol type */
646 inqstrcpy (mp->model, str->pid);
649 if (tindex < (sizeof(container_types)/sizeof(char *))){
650 char *findit = str->pid;
652 for ( ; *findit != ' '; findit++); /* walk till we find a space */
653 /* RAID is superfluous in the context of a RAID device */
654 if (memcmp(findit-4, "RAID", 4) == 0)
655 *(findit -= 4) = ' ';
656 if (((findit - str->pid) + strlen(container_types[tindex]))
657 < (sizeof(str->pid) + sizeof(str->prl)))
658 inqstrcpy (container_types[tindex], findit + 1);
660 inqstrcpy ("V1.0", str->prl);
663 static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code,
664 u8 a_sense_code, u8 incorrect_length,
665 u8 bit_pointer, u16 field_pointer,
668 sense_buf[0] = 0xF0; /* Sense data valid, err code 70h (current error) */
669 sense_buf[1] = 0; /* Segment number, always zero */
671 if (incorrect_length) {
672 sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */
673 sense_buf[3] = BYTE3(residue);
674 sense_buf[4] = BYTE2(residue);
675 sense_buf[5] = BYTE1(residue);
676 sense_buf[6] = BYTE0(residue);
678 sense_buf[2] = sense_key; /* Sense key */
680 if (sense_key == ILLEGAL_REQUEST)
681 sense_buf[7] = 10; /* Additional sense length */
683 sense_buf[7] = 6; /* Additional sense length */
685 sense_buf[12] = sense_code; /* Additional sense code */
686 sense_buf[13] = a_sense_code; /* Additional sense code qualifier */
687 if (sense_key == ILLEGAL_REQUEST) {
690 if (sense_code == SENCODE_INVALID_PARAM_FIELD)
691 sense_buf[15] = 0x80;/* Std sense key specific field */
692 /* Illegal parameter is in the parameter block */
694 if (sense_code == SENCODE_INVALID_CDB_FIELD)
695 sense_buf[15] = 0xc0;/* Std sense key specific field */
696 /* Illegal parameter is in the CDB block */
697 sense_buf[15] |= bit_pointer;
698 sense_buf[16] = field_pointer >> 8; /* MSB */
699 sense_buf[17] = field_pointer; /* LSB */
703 int aac_get_adapter_info(struct aac_dev* dev)
708 struct aac_adapter_info *info;
709 struct aac_bus_info *command;
710 struct aac_bus_info_response *bus_info;
712 if (!(fibptr = fib_alloc(dev)))
716 info = (struct aac_adapter_info *) fib_data(fibptr);
717 memset(info,0,sizeof(*info));
719 rcode = fib_send(RequestAdapterInfo,
723 -1, 1, /* First `interrupt' command uses special wait */
728 fib_complete(fibptr);
732 memcpy(&dev->adapter_info, info, sizeof(*info));
734 if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
735 struct aac_supplement_adapter_info * info;
739 info = (struct aac_supplement_adapter_info *) fib_data(fibptr);
741 memset(info,0,sizeof(*info));
743 rcode = fib_send(RequestSupplementAdapterInfo,
752 memcpy(&dev->supplement_adapter_info, info, sizeof(*info));
762 bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
764 memset(bus_info, 0, sizeof(*bus_info));
766 command = (struct aac_bus_info *)bus_info;
768 command->Command = cpu_to_le32(VM_Ioctl);
769 command->ObjType = cpu_to_le32(FT_DRIVE);
770 command->MethodId = cpu_to_le32(1);
771 command->CtlCmd = cpu_to_le32(GetBusInfo);
773 rcode = fib_send(ContainerCommand,
780 if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
781 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
782 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
785 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
786 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
792 le32_to_cpu(dev->adapter_info.kernelbuild),
793 (int)sizeof(dev->supplement_adapter_info.BuildDate),
794 dev->supplement_adapter_info.BuildDate);
795 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
796 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
798 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
799 le32_to_cpu(dev->adapter_info.monitorbuild));
800 tmp = le32_to_cpu(dev->adapter_info.biosrev);
801 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
803 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
804 le32_to_cpu(dev->adapter_info.biosbuild));
805 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
806 printk(KERN_INFO "%s%d: serial %x\n",
808 le32_to_cpu(dev->adapter_info.serial[0]));
810 dev->nondasd_support = 0;
811 dev->raid_scsi_mode = 0;
812 if(dev->adapter_info.options & AAC_OPT_NONDASD){
813 dev->nondasd_support = 1;
817 * If the firmware supports ROMB RAID/SCSI mode and we are currently
818 * in RAID/SCSI mode, set the flag. For now if in this mode we will
819 * force nondasd support on. If we decide to allow the non-dasd flag
820 * additional changes changes will have to be made to support
821 * RAID/SCSI. the function aac_scsi_cmd in this module will have to be
822 * changed to support the new dev->raid_scsi_mode flag instead of
823 * leaching off of the dev->nondasd_support flag. Also in linit.c the
824 * function aac_detect will have to be modified where it sets up the
825 * max number of channels based on the aac->nondasd_support flag only.
827 if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
828 (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
829 dev->nondasd_support = 1;
830 dev->raid_scsi_mode = 1;
832 if (dev->raid_scsi_mode != 0)
833 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
837 dev->nondasd_support = (nondasd!=0);
839 if(dev->nondasd_support != 0){
840 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
843 dev->dac_support = 0;
844 if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
845 printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id);
846 dev->dac_support = 1;
850 dev->dac_support = (dacmode!=0);
852 if(dev->dac_support != 0) {
853 if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) &&
854 !pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) {
855 printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
857 } else if (!pci_set_dma_mask(dev->pdev, DMA_32BIT_MASK) &&
858 !pci_set_consistent_dma_mask(dev->pdev, DMA_32BIT_MASK)) {
859 printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
861 dev->dac_support = 0;
863 printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
869 * 57 scatter gather elements
871 if (!(dev->raw_io_interface)) {
872 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
873 sizeof(struct aac_fibhdr) -
874 sizeof(struct aac_write) + sizeof(struct sgentry)) /
875 sizeof(struct sgentry);
876 if (dev->dac_support) {
878 * 38 scatter gather elements
880 dev->scsi_host_ptr->sg_tablesize =
882 sizeof(struct aac_fibhdr) -
883 sizeof(struct aac_write64) +
884 sizeof(struct sgentry64)) /
885 sizeof(struct sgentry64);
887 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
888 if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
890 * Worst case size that could cause sg overflow when
891 * we break up SG elements that are larger than 64KB.
892 * Would be nice if we could tell the SCSI layer what
893 * the maximum SG element size can be. Worst case is
894 * (sg_tablesize-1) 4KB elements with one 64KB
896 * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
898 dev->scsi_host_ptr->max_sectors =
899 (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
903 fib_complete(fibptr);
910 static void io_callback(void *context, struct fib * fibptr)
913 struct aac_read_reply *readreply;
914 struct scsi_cmnd *scsicmd;
917 scsicmd = (struct scsi_cmnd *) context;
919 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
920 cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun);
922 if (nblank(dprintk(x))) {
924 switch (scsicmd->cmnd[0]) {
927 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
928 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
932 lba = ((u64)scsicmd->cmnd[2] << 56) |
933 ((u64)scsicmd->cmnd[3] << 48) |
934 ((u64)scsicmd->cmnd[4] << 40) |
935 ((u64)scsicmd->cmnd[5] << 32) |
936 ((u64)scsicmd->cmnd[6] << 24) |
937 (scsicmd->cmnd[7] << 16) |
938 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
942 lba = ((u64)scsicmd->cmnd[2] << 24) |
943 (scsicmd->cmnd[3] << 16) |
944 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
947 lba = ((u64)scsicmd->cmnd[2] << 24) |
948 (scsicmd->cmnd[3] << 16) |
949 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
953 "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
954 smp_processor_id(), (unsigned long long)lba, jiffies);
961 pci_unmap_sg(dev->pdev,
962 (struct scatterlist *)scsicmd->buffer,
964 scsicmd->sc_data_direction);
965 else if(scsicmd->request_bufflen)
966 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle,
967 scsicmd->request_bufflen,
968 scsicmd->sc_data_direction);
969 readreply = (struct aac_read_reply *)fib_data(fibptr);
970 if (le32_to_cpu(readreply->status) == ST_OK)
971 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
973 #ifdef AAC_DETAILED_STATUS_INFO
974 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
975 le32_to_cpu(readreply->status));
977 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
978 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
980 SENCODE_INTERNAL_TARGET_FAILURE,
981 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
983 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
984 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
985 ? sizeof(scsicmd->sense_buffer)
986 : sizeof(dev->fsa_dev[cid].sense_data));
988 fib_complete(fibptr);
991 aac_io_done(scsicmd);
994 static int aac_read(struct scsi_cmnd * scsicmd, int cid)
1001 struct aac_dev *dev;
1002 struct fib * cmd_fibcontext;
1004 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1006 * Get block address and transfer length
1008 switch (scsicmd->cmnd[0]) {
1010 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", cid));
1012 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1013 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1014 count = scsicmd->cmnd[4];
1020 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", cid));
1022 lba = ((u64)scsicmd->cmnd[2] << 56) |
1023 ((u64)scsicmd->cmnd[3] << 48) |
1024 ((u64)scsicmd->cmnd[4] << 40) |
1025 ((u64)scsicmd->cmnd[5] << 32) |
1026 ((u64)scsicmd->cmnd[6] << 24) |
1027 (scsicmd->cmnd[7] << 16) |
1028 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1029 count = (scsicmd->cmnd[10] << 24) |
1030 (scsicmd->cmnd[11] << 16) |
1031 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1034 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", cid));
1036 lba = ((u64)scsicmd->cmnd[2] << 24) |
1037 (scsicmd->cmnd[3] << 16) |
1038 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1039 count = (scsicmd->cmnd[6] << 24) |
1040 (scsicmd->cmnd[7] << 16) |
1041 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1044 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", cid));
1046 lba = ((u64)scsicmd->cmnd[2] << 24) |
1047 (scsicmd->cmnd[3] << 16) |
1048 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1049 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1052 dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
1053 smp_processor_id(), (unsigned long long)lba, jiffies));
1054 if ((!(dev->raw_io_interface) || !(dev->raw_io_64)) &&
1055 (lba & 0xffffffff00000000LL)) {
1056 dprintk((KERN_DEBUG "aac_read: Illegal lba\n"));
1057 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1058 SAM_STAT_CHECK_CONDITION;
1059 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1061 SENCODE_INTERNAL_TARGET_FAILURE,
1062 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1064 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1065 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1066 ? sizeof(scsicmd->sense_buffer)
1067 : sizeof(dev->fsa_dev[cid].sense_data));
1068 scsicmd->scsi_done(scsicmd);
1072 * Alocate and initialize a Fib
1074 if (!(cmd_fibcontext = fib_alloc(dev))) {
1078 fib_init(cmd_fibcontext);
1080 if (dev->raw_io_interface) {
1081 struct aac_raw_io *readcmd;
1082 readcmd = (struct aac_raw_io *) fib_data(cmd_fibcontext);
1083 readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1084 readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1085 readcmd->count = cpu_to_le32(count<<9);
1086 readcmd->cid = cpu_to_le16(cid);
1087 readcmd->flags = cpu_to_le16(1);
1088 readcmd->bpTotal = 0;
1089 readcmd->bpComplete = 0;
1091 aac_build_sgraw(scsicmd, &readcmd->sg);
1092 fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
1093 if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)))
1096 * Now send the Fib to the adapter
1098 status = fib_send(ContainerRawIo,
1103 (fib_callback) io_callback,
1105 } else if (dev->dac_support == 1) {
1106 struct aac_read64 *readcmd;
1107 readcmd = (struct aac_read64 *) fib_data(cmd_fibcontext);
1108 readcmd->command = cpu_to_le32(VM_CtHostRead64);
1109 readcmd->cid = cpu_to_le16(cid);
1110 readcmd->sector_count = cpu_to_le16(count);
1111 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1115 aac_build_sg64(scsicmd, &readcmd->sg);
1116 fibsize = sizeof(struct aac_read64) +
1117 ((le32_to_cpu(readcmd->sg.count) - 1) *
1118 sizeof (struct sgentry64));
1119 BUG_ON (fibsize > (dev->max_fib_size -
1120 sizeof(struct aac_fibhdr)));
1122 * Now send the Fib to the adapter
1124 status = fib_send(ContainerCommand64,
1129 (fib_callback) io_callback,
1132 struct aac_read *readcmd;
1133 readcmd = (struct aac_read *) fib_data(cmd_fibcontext);
1134 readcmd->command = cpu_to_le32(VM_CtBlockRead);
1135 readcmd->cid = cpu_to_le32(cid);
1136 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1137 readcmd->count = cpu_to_le32(count * 512);
1139 aac_build_sg(scsicmd, &readcmd->sg);
1140 fibsize = sizeof(struct aac_read) +
1141 ((le32_to_cpu(readcmd->sg.count) - 1) *
1142 sizeof (struct sgentry));
1143 BUG_ON (fibsize > (dev->max_fib_size -
1144 sizeof(struct aac_fibhdr)));
1146 * Now send the Fib to the adapter
1148 status = fib_send(ContainerCommand,
1153 (fib_callback) io_callback,
1160 * Check that the command queued to the controller
1162 if (status == -EINPROGRESS)
1165 printk(KERN_WARNING "aac_read: fib_send failed with status: %d.\n", status);
1167 * For some reason, the Fib didn't queue, return QUEUE_FULL
1169 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1170 aac_io_done(scsicmd);
1171 fib_complete(cmd_fibcontext);
1172 fib_free(cmd_fibcontext);
1176 static int aac_write(struct scsi_cmnd * scsicmd, int cid)
1182 struct aac_dev *dev;
1183 struct fib * cmd_fibcontext;
1185 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1187 * Get block address and transfer length
1189 if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */
1191 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1192 count = scsicmd->cmnd[4];
1195 } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
1196 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", cid));
1198 lba = ((u64)scsicmd->cmnd[2] << 56) |
1199 ((u64)scsicmd->cmnd[3] << 48) |
1200 ((u64)scsicmd->cmnd[4] << 40) |
1201 ((u64)scsicmd->cmnd[5] << 32) |
1202 ((u64)scsicmd->cmnd[6] << 24) |
1203 (scsicmd->cmnd[7] << 16) |
1204 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1205 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
1206 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1207 } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
1208 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", cid));
1210 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
1211 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1212 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
1213 | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1215 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", cid));
1216 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1217 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1219 dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1220 smp_processor_id(), (unsigned long long)lba, jiffies));
1221 if ((!(dev->raw_io_interface) || !(dev->raw_io_64))
1222 && (lba & 0xffffffff00000000LL)) {
1223 dprintk((KERN_DEBUG "aac_write: Illegal lba\n"));
1224 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1225 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1227 SENCODE_INTERNAL_TARGET_FAILURE,
1228 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1230 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1231 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1232 ? sizeof(scsicmd->sense_buffer)
1233 : sizeof(dev->fsa_dev[cid].sense_data));
1234 scsicmd->scsi_done(scsicmd);
1238 * Allocate and initialize a Fib then setup a BlockWrite command
1240 if (!(cmd_fibcontext = fib_alloc(dev))) {
1241 scsicmd->result = DID_ERROR << 16;
1242 aac_io_done(scsicmd);
1245 fib_init(cmd_fibcontext);
1247 if (dev->raw_io_interface) {
1248 struct aac_raw_io *writecmd;
1249 writecmd = (struct aac_raw_io *) fib_data(cmd_fibcontext);
1250 writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1251 writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1252 writecmd->count = cpu_to_le32(count<<9);
1253 writecmd->cid = cpu_to_le16(cid);
1254 writecmd->flags = 0;
1255 writecmd->bpTotal = 0;
1256 writecmd->bpComplete = 0;
1258 aac_build_sgraw(scsicmd, &writecmd->sg);
1259 fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
1260 if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)))
1263 * Now send the Fib to the adapter
1265 status = fib_send(ContainerRawIo,
1270 (fib_callback) io_callback,
1272 } else if (dev->dac_support == 1) {
1273 struct aac_write64 *writecmd;
1274 writecmd = (struct aac_write64 *) fib_data(cmd_fibcontext);
1275 writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1276 writecmd->cid = cpu_to_le16(cid);
1277 writecmd->sector_count = cpu_to_le16(count);
1278 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1280 writecmd->flags = 0;
1282 aac_build_sg64(scsicmd, &writecmd->sg);
1283 fibsize = sizeof(struct aac_write64) +
1284 ((le32_to_cpu(writecmd->sg.count) - 1) *
1285 sizeof (struct sgentry64));
1286 BUG_ON (fibsize > (dev->max_fib_size -
1287 sizeof(struct aac_fibhdr)));
1289 * Now send the Fib to the adapter
1291 status = fib_send(ContainerCommand64,
1296 (fib_callback) io_callback,
1299 struct aac_write *writecmd;
1300 writecmd = (struct aac_write *) fib_data(cmd_fibcontext);
1301 writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1302 writecmd->cid = cpu_to_le32(cid);
1303 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1304 writecmd->count = cpu_to_le32(count * 512);
1305 writecmd->sg.count = cpu_to_le32(1);
1306 /* ->stable is not used - it did mean which type of write */
1308 aac_build_sg(scsicmd, &writecmd->sg);
1309 fibsize = sizeof(struct aac_write) +
1310 ((le32_to_cpu(writecmd->sg.count) - 1) *
1311 sizeof (struct sgentry));
1312 BUG_ON (fibsize > (dev->max_fib_size -
1313 sizeof(struct aac_fibhdr)));
1315 * Now send the Fib to the adapter
1317 status = fib_send(ContainerCommand,
1322 (fib_callback) io_callback,
1327 * Check that the command queued to the controller
1329 if (status == -EINPROGRESS)
1334 printk(KERN_WARNING "aac_write: fib_send failed with status: %d\n", status);
1336 * For some reason, the Fib didn't queue, return QUEUE_FULL
1338 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1339 aac_io_done(scsicmd);
1341 fib_complete(cmd_fibcontext);
1342 fib_free(cmd_fibcontext);
1346 static void synchronize_callback(void *context, struct fib *fibptr)
1348 struct aac_synchronize_reply *synchronizereply;
1349 struct scsi_cmnd *cmd;
1353 dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1354 smp_processor_id(), jiffies));
1355 BUG_ON(fibptr == NULL);
1358 synchronizereply = fib_data(fibptr);
1359 if (le32_to_cpu(synchronizereply->status) == CT_OK)
1360 cmd->result = DID_OK << 16 |
1361 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1363 struct scsi_device *sdev = cmd->device;
1364 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1365 u32 cid = ID_LUN_TO_CONTAINER(sdev->id, sdev->lun);
1367 "synchronize_callback: synchronize failed, status = %d\n",
1368 le32_to_cpu(synchronizereply->status));
1369 cmd->result = DID_OK << 16 |
1370 COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1371 set_sense((u8 *)&dev->fsa_dev[cid].sense_data,
1373 SENCODE_INTERNAL_TARGET_FAILURE,
1374 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1376 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1377 min(sizeof(dev->fsa_dev[cid].sense_data),
1378 sizeof(cmd->sense_buffer)));
1381 fib_complete(fibptr);
1386 static int aac_synchronize(struct scsi_cmnd *scsicmd, int cid)
1389 struct fib *cmd_fibcontext;
1390 struct aac_synchronize *synchronizecmd;
1391 struct scsi_cmnd *cmd;
1392 struct scsi_device *sdev = scsicmd->device;
1394 unsigned long flags;
1397 * Wait for all commands to complete to this specific
1400 spin_lock_irqsave(&sdev->list_lock, flags);
1401 list_for_each_entry(cmd, &sdev->cmd_list, list)
1402 if (cmd != scsicmd && cmd->serial_number != 0) {
1407 spin_unlock_irqrestore(&sdev->list_lock, flags);
1410 * Yield the processor (requeue for later)
1413 return SCSI_MLQUEUE_DEVICE_BUSY;
1416 * Allocate and initialize a Fib
1418 if (!(cmd_fibcontext =
1419 fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata)))
1420 return SCSI_MLQUEUE_HOST_BUSY;
1422 fib_init(cmd_fibcontext);
1424 synchronizecmd = fib_data(cmd_fibcontext);
1425 synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
1426 synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
1427 synchronizecmd->cid = cpu_to_le32(cid);
1428 synchronizecmd->count =
1429 cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
1432 * Now send the Fib to the adapter
1434 status = fib_send(ContainerCommand,
1436 sizeof(struct aac_synchronize),
1439 (fib_callback)synchronize_callback,
1443 * Check that the command queued to the controller
1445 if (status == -EINPROGRESS)
1449 "aac_synchronize: fib_send failed with status: %d.\n", status);
1450 fib_complete(cmd_fibcontext);
1451 fib_free(cmd_fibcontext);
1452 return SCSI_MLQUEUE_HOST_BUSY;
1456 * aac_scsi_cmd() - Process SCSI command
1457 * @scsicmd: SCSI command block
1459 * Emulate a SCSI command and queue the required request for the
1463 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
1466 struct Scsi_Host *host = scsicmd->device->host;
1467 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
1468 struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
1472 * If the bus, id or lun is out of range, return fail
1473 * Test does not apply to ID 16, the pseudo id for the controller
1476 if (scsicmd->device->id != host->this_id) {
1477 if ((scsicmd->device->channel == 0) ){
1478 if( (scsicmd->device->id >= dev->maximum_num_containers) || (scsicmd->device->lun != 0)){
1479 scsicmd->result = DID_NO_CONNECT << 16;
1480 scsicmd->scsi_done(scsicmd);
1483 cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun);
1486 * If the target container doesn't exist, it may have
1487 * been newly created
1489 if ((fsa_dev_ptr[cid].valid & 1) == 0) {
1490 switch (scsicmd->cmnd[0]) {
1491 case SERVICE_ACTION_IN:
1492 if (!(dev->raw_io_interface) ||
1493 !(dev->raw_io_64) ||
1494 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
1498 case TEST_UNIT_READY:
1499 spin_unlock_irq(host->host_lock);
1500 probe_container(dev, cid);
1501 if ((fsa_dev_ptr[cid].valid & 1) == 0)
1502 fsa_dev_ptr[cid].valid = 0;
1503 spin_lock_irq(host->host_lock);
1504 if (fsa_dev_ptr[cid].valid == 0) {
1505 scsicmd->result = DID_NO_CONNECT << 16;
1506 scsicmd->scsi_done(scsicmd);
1514 * If the target container still doesn't exist,
1517 if (fsa_dev_ptr[cid].valid == 0) {
1518 scsicmd->result = DID_BAD_TARGET << 16;
1519 scsicmd->scsi_done(scsicmd);
1522 } else { /* check for physical non-dasd devices */
1523 if(dev->nondasd_support == 1){
1524 return aac_send_srb_fib(scsicmd);
1526 scsicmd->result = DID_NO_CONNECT << 16;
1527 scsicmd->scsi_done(scsicmd);
1533 * else Command for the controller itself
1535 else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */
1536 (scsicmd->cmnd[0] != TEST_UNIT_READY))
1538 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
1539 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1540 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1542 SENCODE_INVALID_COMMAND,
1543 ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1544 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1545 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1546 ? sizeof(scsicmd->sense_buffer)
1547 : sizeof(dev->fsa_dev[cid].sense_data));
1548 scsicmd->scsi_done(scsicmd);
1553 /* Handle commands here that don't really require going out to the adapter */
1554 switch (scsicmd->cmnd[0]) {
1557 struct inquiry_data inq_data;
1559 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scsicmd->device->id));
1560 memset(&inq_data, 0, sizeof (struct inquiry_data));
1562 inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */
1563 inq_data.inqd_rdf = 2; /* A response data format value of two indicates that the data shall be in the format specified in SCSI-2 */
1564 inq_data.inqd_len = 31;
1565 /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
1566 inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */
1568 * Set the Vendor, Product, and Revision Level
1569 * see: <vendor>.c i.e. aac.c
1571 if (scsicmd->device->id == host->this_id) {
1572 setinqstr(dev, (void *) (inq_data.inqd_vid), (sizeof(container_types)/sizeof(char *)));
1573 inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */
1574 aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
1575 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1576 scsicmd->scsi_done(scsicmd);
1579 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
1580 inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
1581 aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
1582 return aac_get_container_name(scsicmd, cid);
1584 case SERVICE_ACTION_IN:
1585 if (!(dev->raw_io_interface) ||
1586 !(dev->raw_io_64) ||
1587 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
1592 unsigned int offset = 0;
1594 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
1595 capacity = fsa_dev_ptr[cid].size - 1;
1596 if (scsicmd->cmnd[13] > 12) {
1597 offset = scsicmd->cmnd[13] - 12;
1598 if (offset > sizeof(cp))
1600 memset(cp, 0, offset);
1601 aac_internal_transfer(scsicmd, cp, 0, offset);
1603 cp[0] = (capacity >> 56) & 0xff;
1604 cp[1] = (capacity >> 48) & 0xff;
1605 cp[2] = (capacity >> 40) & 0xff;
1606 cp[3] = (capacity >> 32) & 0xff;
1607 cp[4] = (capacity >> 24) & 0xff;
1608 cp[5] = (capacity >> 16) & 0xff;
1609 cp[6] = (capacity >> 8) & 0xff;
1610 cp[7] = (capacity >> 0) & 0xff;
1615 aac_internal_transfer(scsicmd, cp, offset, sizeof(cp));
1617 /* Do not cache partition table for arrays */
1618 scsicmd->device->removable = 1;
1620 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1621 scsicmd->scsi_done(scsicmd);
1631 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
1632 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
1633 capacity = fsa_dev_ptr[cid].size - 1;
1637 cp[0] = (capacity >> 24) & 0xff;
1638 cp[1] = (capacity >> 16) & 0xff;
1639 cp[2] = (capacity >> 8) & 0xff;
1640 cp[3] = (capacity >> 0) & 0xff;
1645 aac_internal_transfer(scsicmd, cp, 0, sizeof(cp));
1646 /* Do not cache partition table for arrays */
1647 scsicmd->device->removable = 1;
1649 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1650 scsicmd->scsi_done(scsicmd);
1659 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
1660 mode_buf[0] = 3; /* Mode data length */
1661 mode_buf[1] = 0; /* Medium type - default */
1662 mode_buf[2] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1663 mode_buf[3] = 0; /* Block descriptor length */
1665 aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
1666 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1667 scsicmd->scsi_done(scsicmd);
1675 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
1676 mode_buf[0] = 0; /* Mode data length (MSB) */
1677 mode_buf[1] = 6; /* Mode data length (LSB) */
1678 mode_buf[2] = 0; /* Medium type - default */
1679 mode_buf[3] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1680 mode_buf[4] = 0; /* reserved */
1681 mode_buf[5] = 0; /* reserved */
1682 mode_buf[6] = 0; /* Block descriptor length (MSB) */
1683 mode_buf[7] = 0; /* Block descriptor length (LSB) */
1684 aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
1686 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1687 scsicmd->scsi_done(scsicmd);
1692 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
1693 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
1694 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
1695 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1696 scsicmd->scsi_done(scsicmd);
1699 case ALLOW_MEDIUM_REMOVAL:
1700 dprintk((KERN_DEBUG "LOCK command.\n"));
1701 if (scsicmd->cmnd[4])
1702 fsa_dev_ptr[cid].locked = 1;
1704 fsa_dev_ptr[cid].locked = 0;
1706 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1707 scsicmd->scsi_done(scsicmd);
1710 * These commands are all No-Ops
1712 case TEST_UNIT_READY:
1716 case REASSIGN_BLOCKS:
1719 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1720 scsicmd->scsi_done(scsicmd);
1724 switch (scsicmd->cmnd[0])
1731 * Hack to keep track of ordinal number of the device that
1732 * corresponds to a container. Needed to convert
1733 * containers to /dev/sd device names
1736 spin_unlock_irq(host->host_lock);
1737 if (scsicmd->request->rq_disk)
1738 strlcpy(fsa_dev_ptr[cid].devname,
1739 scsicmd->request->rq_disk->disk_name,
1740 min(sizeof(fsa_dev_ptr[cid].devname),
1741 sizeof(scsicmd->request->rq_disk->disk_name) + 1));
1742 ret = aac_read(scsicmd, cid);
1743 spin_lock_irq(host->host_lock);
1750 spin_unlock_irq(host->host_lock);
1751 ret = aac_write(scsicmd, cid);
1752 spin_lock_irq(host->host_lock);
1755 case SYNCHRONIZE_CACHE:
1756 /* Issue FIB to tell Firmware to flush it's cache */
1757 return aac_synchronize(scsicmd, cid);
1761 * Unhandled commands
1763 dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
1764 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1765 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1766 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
1767 ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1768 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1769 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1770 ? sizeof(scsicmd->sense_buffer)
1771 : sizeof(dev->fsa_dev[cid].sense_data));
1772 scsicmd->scsi_done(scsicmd);
1777 static int query_disk(struct aac_dev *dev, void __user *arg)
1779 struct aac_query_disk qd;
1780 struct fsa_dev_info *fsa_dev_ptr;
1782 fsa_dev_ptr = dev->fsa_dev;
1783 if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
1786 qd.cnum = ID_LUN_TO_CONTAINER(qd.id, qd.lun);
1787 else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
1789 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
1791 qd.instance = dev->scsi_host_ptr->host_no;
1793 qd.id = CONTAINER_TO_ID(qd.cnum);
1794 qd.lun = CONTAINER_TO_LUN(qd.cnum);
1796 else return -EINVAL;
1798 qd.valid = fsa_dev_ptr[qd.cnum].valid;
1799 qd.locked = fsa_dev_ptr[qd.cnum].locked;
1800 qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
1802 if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
1807 strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
1808 min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
1810 if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
1815 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
1817 struct aac_delete_disk dd;
1818 struct fsa_dev_info *fsa_dev_ptr;
1820 fsa_dev_ptr = dev->fsa_dev;
1822 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
1825 if (dd.cnum >= dev->maximum_num_containers)
1828 * Mark this container as being deleted.
1830 fsa_dev_ptr[dd.cnum].deleted = 1;
1832 * Mark the container as no longer valid
1834 fsa_dev_ptr[dd.cnum].valid = 0;
1838 static int delete_disk(struct aac_dev *dev, void __user *arg)
1840 struct aac_delete_disk dd;
1841 struct fsa_dev_info *fsa_dev_ptr;
1843 fsa_dev_ptr = dev->fsa_dev;
1845 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
1848 if (dd.cnum >= dev->maximum_num_containers)
1851 * If the container is locked, it can not be deleted by the API.
1853 if (fsa_dev_ptr[dd.cnum].locked)
1857 * Mark the container as no longer being valid.
1859 fsa_dev_ptr[dd.cnum].valid = 0;
1860 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
1865 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
1868 case FSACTL_QUERY_DISK:
1869 return query_disk(dev, arg);
1870 case FSACTL_DELETE_DISK:
1871 return delete_disk(dev, arg);
1872 case FSACTL_FORCE_DELETE_DISK:
1873 return force_delete_disk(dev, arg);
1874 case FSACTL_GET_CONTAINERS:
1875 return aac_get_containers(dev);
1884 * @context: the context set in the fib - here it is scsi cmd
1885 * @fibptr: pointer to the fib
1887 * Handles the completion of a scsi command to a non dasd device
1891 static void aac_srb_callback(void *context, struct fib * fibptr)
1893 struct aac_dev *dev;
1894 struct aac_srb_reply *srbreply;
1895 struct scsi_cmnd *scsicmd;
1897 scsicmd = (struct scsi_cmnd *) context;
1898 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1903 srbreply = (struct aac_srb_reply *) fib_data(fibptr);
1905 scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */
1907 * Calculate resid for sg
1910 scsicmd->resid = scsicmd->request_bufflen -
1911 le32_to_cpu(srbreply->data_xfer_length);
1914 pci_unmap_sg(dev->pdev,
1915 (struct scatterlist *)scsicmd->buffer,
1917 scsicmd->sc_data_direction);
1918 else if(scsicmd->request_bufflen)
1919 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, scsicmd->request_bufflen,
1920 scsicmd->sc_data_direction);
1923 * First check the fib status
1926 if (le32_to_cpu(srbreply->status) != ST_OK){
1928 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
1929 len = (le32_to_cpu(srbreply->sense_data_size) >
1930 sizeof(scsicmd->sense_buffer)) ?
1931 sizeof(scsicmd->sense_buffer) :
1932 le32_to_cpu(srbreply->sense_data_size);
1933 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1934 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
1938 * Next check the srb status
1940 switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
1941 case SRB_STATUS_ERROR_RECOVERY:
1942 case SRB_STATUS_PENDING:
1943 case SRB_STATUS_SUCCESS:
1944 if(scsicmd->cmnd[0] == INQUIRY ){
1947 /* We can't expose disk devices because we can't tell whether they
1948 * are the raw container drives or stand alone drives. If they have
1949 * the removable bit set then we should expose them though.
1951 b = (*(u8*)scsicmd->buffer)&0x1f;
1952 b1 = ((u8*)scsicmd->buffer)[1];
1953 if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER
1954 || (b==TYPE_DISK && (b1&0x80)) ){
1955 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1957 * We will allow disk devices if in RAID/SCSI mode and
1960 } else if ((dev->raid_scsi_mode) &&
1961 (scsicmd->device->channel == 2)) {
1962 scsicmd->result = DID_OK << 16 |
1963 COMMAND_COMPLETE << 8;
1965 scsicmd->result = DID_NO_CONNECT << 16 |
1966 COMMAND_COMPLETE << 8;
1969 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1972 case SRB_STATUS_DATA_OVERRUN:
1973 switch(scsicmd->cmnd[0]){
1982 if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) {
1983 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
1985 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
1987 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
1992 /* We can't expose disk devices because we can't tell whether they
1993 * are the raw container drives or stand alone drives
1995 b = (*(u8*)scsicmd->buffer)&0x0f;
1996 b1 = ((u8*)scsicmd->buffer)[1];
1997 if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER
1998 || (b==TYPE_DISK && (b1&0x80)) ){
1999 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2001 * We will allow disk devices if in RAID/SCSI mode and
2004 } else if ((dev->raid_scsi_mode) &&
2005 (scsicmd->device->channel == 2)) {
2006 scsicmd->result = DID_OK << 16 |
2007 COMMAND_COMPLETE << 8;
2009 scsicmd->result = DID_NO_CONNECT << 16 |
2010 COMMAND_COMPLETE << 8;
2015 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2019 case SRB_STATUS_ABORTED:
2020 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
2022 case SRB_STATUS_ABORT_FAILED:
2023 // Not sure about this one - but assuming the hba was trying to abort for some reason
2024 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
2026 case SRB_STATUS_PARITY_ERROR:
2027 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
2029 case SRB_STATUS_NO_DEVICE:
2030 case SRB_STATUS_INVALID_PATH_ID:
2031 case SRB_STATUS_INVALID_TARGET_ID:
2032 case SRB_STATUS_INVALID_LUN:
2033 case SRB_STATUS_SELECTION_TIMEOUT:
2034 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2037 case SRB_STATUS_COMMAND_TIMEOUT:
2038 case SRB_STATUS_TIMEOUT:
2039 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
2042 case SRB_STATUS_BUSY:
2043 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2046 case SRB_STATUS_BUS_RESET:
2047 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
2050 case SRB_STATUS_MESSAGE_REJECTED:
2051 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
2053 case SRB_STATUS_REQUEST_FLUSHED:
2054 case SRB_STATUS_ERROR:
2055 case SRB_STATUS_INVALID_REQUEST:
2056 case SRB_STATUS_REQUEST_SENSE_FAILED:
2057 case SRB_STATUS_NO_HBA:
2058 case SRB_STATUS_UNEXPECTED_BUS_FREE:
2059 case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
2060 case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
2061 case SRB_STATUS_DELAYED_RETRY:
2062 case SRB_STATUS_BAD_FUNCTION:
2063 case SRB_STATUS_NOT_STARTED:
2064 case SRB_STATUS_NOT_IN_USE:
2065 case SRB_STATUS_FORCE_ABORT:
2066 case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
2068 #ifdef AAC_DETAILED_STATUS_INFO
2069 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
2070 le32_to_cpu(srbreply->srb_status) & 0x3F,
2071 aac_get_status_string(
2072 le32_to_cpu(srbreply->srb_status) & 0x3F),
2074 le32_to_cpu(srbreply->scsi_status));
2076 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2079 if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){ // Check Condition
2081 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
2082 len = (le32_to_cpu(srbreply->sense_data_size) >
2083 sizeof(scsicmd->sense_buffer)) ?
2084 sizeof(scsicmd->sense_buffer) :
2085 le32_to_cpu(srbreply->sense_data_size);
2086 #ifdef AAC_DETAILED_STATUS_INFO
2087 printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
2088 le32_to_cpu(srbreply->status), len);
2090 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2094 * OR in the scsi status (already shifted up a bit)
2096 scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
2098 fib_complete(fibptr);
2100 aac_io_done(scsicmd);
2106 * @scsicmd: the scsi command block
2108 * This routine will form a FIB and fill in the aac_srb from the
2109 * scsicmd passed in.
2112 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
2114 struct fib* cmd_fibcontext;
2115 struct aac_dev* dev;
2117 struct aac_srb *srbcmd;
2122 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2123 if (scsicmd->device->id >= dev->maximum_num_physicals ||
2124 scsicmd->device->lun > 7) {
2125 scsicmd->result = DID_NO_CONNECT << 16;
2126 scsicmd->scsi_done(scsicmd);
2130 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2131 switch(scsicmd->sc_data_direction){
2135 case DMA_BIDIRECTIONAL:
2136 flag = SRB_DataIn | SRB_DataOut;
2138 case DMA_FROM_DEVICE:
2142 default: /* shuts up some versions of gcc */
2143 flag = SRB_NoDataXfer;
2149 * Allocate and initialize a Fib then setup a BlockWrite command
2151 if (!(cmd_fibcontext = fib_alloc(dev))) {
2154 fib_init(cmd_fibcontext);
2156 srbcmd = (struct aac_srb*) fib_data(cmd_fibcontext);
2157 srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
2158 srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scsicmd->device->channel));
2159 srbcmd->id = cpu_to_le32(scsicmd->device->id);
2160 srbcmd->lun = cpu_to_le32(scsicmd->device->lun);
2161 srbcmd->flags = cpu_to_le32(flag);
2162 timeout = scsicmd->timeout_per_command/HZ;
2166 srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds
2167 srbcmd->retry_limit = 0; /* Obsolete parameter */
2168 srbcmd->cdb_size = cpu_to_le32(scsicmd->cmd_len);
2170 if( dev->dac_support == 1 ) {
2171 aac_build_sg64(scsicmd, (struct sgmap64*) &srbcmd->sg);
2172 srbcmd->count = cpu_to_le32(scsicmd->request_bufflen);
2174 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
2175 memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len);
2177 * Build Scatter/Gather list
2179 fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
2180 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
2181 sizeof (struct sgentry64));
2182 BUG_ON (fibsize > (dev->max_fib_size -
2183 sizeof(struct aac_fibhdr)));
2186 * Now send the Fib to the adapter
2188 status = fib_send(ScsiPortCommand64, cmd_fibcontext,
2189 fibsize, FsaNormal, 0, 1,
2190 (fib_callback) aac_srb_callback,
2193 aac_build_sg(scsicmd, (struct sgmap*)&srbcmd->sg);
2194 srbcmd->count = cpu_to_le32(scsicmd->request_bufflen);
2196 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
2197 memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len);
2199 * Build Scatter/Gather list
2201 fibsize = sizeof (struct aac_srb) +
2202 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
2203 sizeof (struct sgentry));
2204 BUG_ON (fibsize > (dev->max_fib_size -
2205 sizeof(struct aac_fibhdr)));
2208 * Now send the Fib to the adapter
2210 status = fib_send(ScsiPortCommand, cmd_fibcontext, fibsize, FsaNormal, 0, 1,
2211 (fib_callback) aac_srb_callback, (void *) scsicmd);
2214 * Check that the command queued to the controller
2216 if (status == -EINPROGRESS){
2220 printk(KERN_WARNING "aac_srb: fib_send failed with status: %d\n", status);
2221 fib_complete(cmd_fibcontext);
2222 fib_free(cmd_fibcontext);
2227 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
2229 struct aac_dev *dev;
2230 unsigned long byte_count = 0;
2232 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2233 // Get rid of old data
2235 psg->sg[0].addr = 0;
2236 psg->sg[0].count = 0;
2237 if (scsicmd->use_sg) {
2238 struct scatterlist *sg;
2241 sg = (struct scatterlist *) scsicmd->request_buffer;
2243 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2244 scsicmd->sc_data_direction);
2245 psg->count = cpu_to_le32(sg_count);
2249 for (i = 0; i < sg_count; i++) {
2250 psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
2251 psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2252 byte_count += sg_dma_len(sg);
2255 /* hba wants the size to be exact */
2256 if(byte_count > scsicmd->request_bufflen){
2257 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2258 (byte_count - scsicmd->request_bufflen);
2259 psg->sg[i-1].count = cpu_to_le32(temp);
2260 byte_count = scsicmd->request_bufflen;
2262 /* Check for command underflow */
2263 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2264 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2265 byte_count, scsicmd->underflow);
2268 else if(scsicmd->request_bufflen) {
2270 addr = pci_map_single(dev->pdev,
2271 scsicmd->request_buffer,
2272 scsicmd->request_bufflen,
2273 scsicmd->sc_data_direction);
2274 psg->count = cpu_to_le32(1);
2275 psg->sg[0].addr = cpu_to_le32(addr);
2276 psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
2277 scsicmd->SCp.dma_handle = addr;
2278 byte_count = scsicmd->request_bufflen;
2284 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
2286 struct aac_dev *dev;
2287 unsigned long byte_count = 0;
2290 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2291 // Get rid of old data
2293 psg->sg[0].addr[0] = 0;
2294 psg->sg[0].addr[1] = 0;
2295 psg->sg[0].count = 0;
2296 if (scsicmd->use_sg) {
2297 struct scatterlist *sg;
2300 sg = (struct scatterlist *) scsicmd->request_buffer;
2302 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2303 scsicmd->sc_data_direction);
2304 psg->count = cpu_to_le32(sg_count);
2308 for (i = 0; i < sg_count; i++) {
2309 addr = sg_dma_address(sg);
2310 psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
2311 psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
2312 psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2313 byte_count += sg_dma_len(sg);
2316 /* hba wants the size to be exact */
2317 if(byte_count > scsicmd->request_bufflen){
2318 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2319 (byte_count - scsicmd->request_bufflen);
2320 psg->sg[i-1].count = cpu_to_le32(temp);
2321 byte_count = scsicmd->request_bufflen;
2323 /* Check for command underflow */
2324 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2325 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2326 byte_count, scsicmd->underflow);
2329 else if(scsicmd->request_bufflen) {
2331 addr = pci_map_single(dev->pdev,
2332 scsicmd->request_buffer,
2333 scsicmd->request_bufflen,
2334 scsicmd->sc_data_direction);
2335 psg->count = cpu_to_le32(1);
2336 psg->sg[0].addr[0] = cpu_to_le32(addr & 0xffffffff);
2337 psg->sg[0].addr[1] = cpu_to_le32(addr >> 32);
2338 psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
2339 scsicmd->SCp.dma_handle = addr;
2340 byte_count = scsicmd->request_bufflen;
2345 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
2347 struct Scsi_Host *host = scsicmd->device->host;
2348 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2349 unsigned long byte_count = 0;
2351 // Get rid of old data
2353 psg->sg[0].next = 0;
2354 psg->sg[0].prev = 0;
2355 psg->sg[0].addr[0] = 0;
2356 psg->sg[0].addr[1] = 0;
2357 psg->sg[0].count = 0;
2358 psg->sg[0].flags = 0;
2359 if (scsicmd->use_sg) {
2360 struct scatterlist *sg;
2363 sg = (struct scatterlist *) scsicmd->request_buffer;
2365 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2366 scsicmd->sc_data_direction);
2368 for (i = 0; i < sg_count; i++) {
2369 int count = sg_dma_len(sg);
2370 u64 addr = sg_dma_address(sg);
2371 psg->sg[i].next = 0;
2372 psg->sg[i].prev = 0;
2373 psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
2374 psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2375 psg->sg[i].count = cpu_to_le32(count);
2376 psg->sg[i].flags = 0;
2377 byte_count += count;
2380 psg->count = cpu_to_le32(sg_count);
2381 /* hba wants the size to be exact */
2382 if(byte_count > scsicmd->request_bufflen){
2383 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2384 (byte_count - scsicmd->request_bufflen);
2385 psg->sg[i-1].count = cpu_to_le32(temp);
2386 byte_count = scsicmd->request_bufflen;
2388 /* Check for command underflow */
2389 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2390 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2391 byte_count, scsicmd->underflow);
2394 else if(scsicmd->request_bufflen) {
2397 scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
2398 scsicmd->request_buffer,
2399 scsicmd->request_bufflen,
2400 scsicmd->sc_data_direction);
2401 addr = scsicmd->SCp.dma_handle;
2402 count = scsicmd->request_bufflen;
2403 psg->count = cpu_to_le32(1);
2404 psg->sg[0].next = 0;
2405 psg->sg[0].prev = 0;
2406 psg->sg[0].addr[1] = cpu_to_le32((u32)(addr>>32));
2407 psg->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2408 psg->sg[0].count = cpu_to_le32(count);
2409 psg->sg[0].flags = 0;
2410 byte_count = scsicmd->request_bufflen;
2415 #ifdef AAC_DETAILED_STATUS_INFO
2417 struct aac_srb_status_info {
2423 static struct aac_srb_status_info srb_status_info[] = {
2424 { SRB_STATUS_PENDING, "Pending Status"},
2425 { SRB_STATUS_SUCCESS, "Success"},
2426 { SRB_STATUS_ABORTED, "Aborted Command"},
2427 { SRB_STATUS_ABORT_FAILED, "Abort Failed"},
2428 { SRB_STATUS_ERROR, "Error Event"},
2429 { SRB_STATUS_BUSY, "Device Busy"},
2430 { SRB_STATUS_INVALID_REQUEST, "Invalid Request"},
2431 { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"},
2432 { SRB_STATUS_NO_DEVICE, "No Device"},
2433 { SRB_STATUS_TIMEOUT, "Timeout"},
2434 { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
2435 { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"},
2436 { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"},
2437 { SRB_STATUS_BUS_RESET, "Bus Reset"},
2438 { SRB_STATUS_PARITY_ERROR, "Parity Error"},
2439 { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
2440 { SRB_STATUS_NO_HBA, "No HBA"},
2441 { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"},
2442 { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
2443 { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
2444 { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
2445 { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"},
2446 { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"},
2447 { SRB_STATUS_INVALID_LUN, "Invalid LUN"},
2448 { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
2449 { SRB_STATUS_BAD_FUNCTION, "Bad Function"},
2450 { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"},
2451 { SRB_STATUS_NOT_STARTED, "Not Started"},
2452 { SRB_STATUS_NOT_IN_USE, "Not In Use"},
2453 { SRB_STATUS_FORCE_ABORT, "Force Abort"},
2454 { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
2455 { 0xff, "Unknown Error"}
2458 char *aac_get_status_string(u32 status)
2462 for(i=0; i < (sizeof(srb_status_info)/sizeof(struct aac_srb_status_info)); i++ ){
2463 if(srb_status_info[i].status == status){
2464 return srb_status_info[i].str;
2468 return "Bad Status Code";