void zfcp_fc_scsi_to_fcp(struct fcp_cmnd *fcp, struct scsi_cmnd *scsi,
u8 tm_flags)
{
- char tag[2];
-
int_to_scsilun(scsi->device->lun, (struct scsi_lun *) &fcp->fc_lun);
if (unlikely(tm_flags)) {
return;
}
- if (scsi_populate_tag_msg(scsi, tag)) {
- switch (tag[0]) {
- case MSG_ORDERED_TAG:
- fcp->fc_pri_ta |= FCP_PTA_ORDERED;
- break;
- case MSG_SIMPLE_TAG:
- fcp->fc_pri_ta |= FCP_PTA_SIMPLE;
- break;
- };
- } else
- fcp->fc_pri_ta = FCP_PTA_SIMPLE;
+ fcp->fc_pri_ta = FCP_PTA_SIMPLE;
if (scsi->sc_data_direction == DMA_FROM_DEVICE)
fcp->fc_flags |= FCP_CFL_RDDATA;
if((hostdata->tag_negotiated & (1<<scmd_id(SCp)))
&& (slot->tag != SCSI_NO_TAG && SCp->cmnd[0] != REQUEST_SENSE &&
slot->flags != NCR_700_FLAG_AUTOSENSE)) {
- count += scsi_populate_tag_msg(SCp, &hostdata->msgout[count]);
+ count += spi_populate_tag_msg(&hostdata->msgout[count], SCp);
}
if(hostdata->fast &&
}
if ((dev->flags & (AHD_DEV_Q_TAGGED|AHD_DEV_Q_BASIC)) != 0) {
- int msg_bytes;
- uint8_t tag_msgs[2];
-
- msg_bytes = scsi_populate_tag_msg(cmd, tag_msgs);
- if (msg_bytes && tag_msgs[0] != MSG_SIMPLE_TASK) {
- hscb->control |= tag_msgs[0];
- if (tag_msgs[0] == MSG_ORDERED_TASK)
- dev->commands_since_idle_or_otag = 0;
- } else
if (dev->commands_since_idle_or_otag == AHD_OTAG_THRESH
&& (dev->flags & AHD_DEV_Q_TAGGED) != 0) {
hscb->control |= MSG_ORDERED_TASK;
}
if ((dev->flags & (AHC_DEV_Q_TAGGED|AHC_DEV_Q_BASIC)) != 0) {
- int msg_bytes;
- uint8_t tag_msgs[2];
-
- msg_bytes = scsi_populate_tag_msg(cmd, tag_msgs);
- if (msg_bytes && tag_msgs[0] != MSG_SIMPLE_TASK) {
- hscb->control |= tag_msgs[0];
- if (tag_msgs[0] == MSG_ORDERED_TASK)
- dev->commands_since_idle_or_otag = 0;
- } else if (dev->commands_since_idle_or_otag == AHC_OTAG_THRESH
+ if (dev->commands_since_idle_or_otag == AHC_OTAG_THRESH
&& (dev->flags & AHC_DEV_Q_TAGGED) != 0) {
hscb->control |= MSG_ORDERED_TASK;
dev->commands_since_idle_or_otag = 0;
struct fcp_cmnd *fcp_cmnd)
{
struct scsi_cmnd *sc_cmd = io_req->sc_cmd;
- char tag[2];
memset(fcp_cmnd, 0, sizeof(struct fcp_cmnd));
fcp_cmnd->fc_tm_flags = io_req->mp_req.tm_flags;
fcp_cmnd->fc_flags = io_req->io_req_flags;
- if (scsi_populate_tag_msg(sc_cmd, tag)) {
- switch (tag[0]) {
- case HEAD_OF_QUEUE_TAG:
- fcp_cmnd->fc_pri_ta = FCP_PTA_HEADQ;
- break;
- case ORDERED_QUEUE_TAG:
- fcp_cmnd->fc_pri_ta = FCP_PTA_ORDERED;
- break;
- default:
- fcp_cmnd->fc_pri_ta = FCP_PTA_SIMPLE;
- break;
- }
- } else {
+ if (sc_cmd->flags & SCMD_TAGGED)
+ fcp_cmnd->fc_pri_ta = FCP_PTA_SIMPLE;
+ else
fcp_cmnd->fc_pri_ta = 0;
- }
}
static void bnx2fc_parse_fcp_rsp(struct bnx2fc_cmd *io_req,
return 0;
}
-static inline void
-csio_scsi_tag(struct scsi_cmnd *scmnd, uint8_t *tag, uint8_t hq,
- uint8_t oq, uint8_t sq)
-{
- char stag[2];
-
- if (scsi_populate_tag_msg(scmnd, stag)) {
- switch (stag[0]) {
- case HEAD_OF_QUEUE_TAG:
- *tag = hq;
- break;
- case ORDERED_QUEUE_TAG:
- *tag = oq;
- break;
- default:
- *tag = sq;
- break;
- }
- } else
- *tag = 0;
-}
-
/*
* csio_scsi_fcp_cmnd - Frame the SCSI FCP command paylod.
* @req: IO req structure.
int_to_scsilun(scmnd->device->lun, &fcp_cmnd->fc_lun);
fcp_cmnd->fc_tm_flags = 0;
fcp_cmnd->fc_cmdref = 0;
- fcp_cmnd->fc_pri_ta = 0;
memcpy(fcp_cmnd->fc_cdb, scmnd->cmnd, 16);
- csio_scsi_tag(scmnd, &fcp_cmnd->fc_pri_ta,
- FCP_PTA_HEADQ, FCP_PTA_ORDERED, FCP_PTA_SIMPLE);
+ if (scmnd->flags & SCMD_TAGGED)
+ fcp_cmnd->fc_pri_ta = FCP_PTA_SIMPLE;
+ else
+ fcp_cmnd->fc_pri_ta = 0;
fcp_cmnd->fc_dl = cpu_to_be32(scsi_bufflen(scmnd));
if (req->nsge)
return ent;
}
- if (!scsi_populate_tag_msg(cmd, &ent->tag[0])) {
+ if (!spi_populate_tag_msg(&ent->tag[0], cmd)) {
ent->tag[0] = 0;
ent->tag[1] = 0;
}
struct fc_rport_libfc_priv *rp = rport->dd_data;
struct host_sg_desc *desc;
struct misc_stats *misc_stats = &fnic->fnic_stats.misc_stats;
- u8 pri_tag = 0;
unsigned int i;
unsigned long intr_flags;
int flags;
u8 exch_flags;
struct scsi_lun fc_lun;
- char msg[2];
if (sg_count) {
/* For each SGE, create a device desc entry */
int_to_scsilun(sc->device->lun, &fc_lun);
- pri_tag = FCPIO_ICMND_PTA_SIMPLE;
- msg[0] = MSG_SIMPLE_TAG;
- scsi_populate_tag_msg(sc, msg);
- if (msg[0] == MSG_ORDERED_TAG)
- pri_tag = FCPIO_ICMND_PTA_ORDERED;
-
/* Enqueue the descriptor in the Copy WQ */
spin_lock_irqsave(&fnic->wq_copy_lock[0], intr_flags);
io_req->sgl_list_pa,
io_req->sense_buf_pa,
0, /* scsi cmd ref, always 0 */
- pri_tag, /* scsi pri and tag */
+ FCPIO_ICMND_PTA_SIMPLE,
+ /* scsi pri and tag */
flags, /* command flags */
sc->cmnd, sc->cmd_len,
scsi_bufflen(sc),
int_to_scsilun(cmnd->device->lun, &vfc_cmd->iu.lun);
memcpy(vfc_cmd->iu.cdb, cmnd->cmnd, cmnd->cmd_len);
- if (scsi_populate_tag_msg(cmnd, tag)) {
- vfc_cmd->task_tag = cpu_to_be64(tag[1]);
- switch (tag[0]) {
- case MSG_SIMPLE_TAG:
- vfc_cmd->iu.pri_task_attr = IBMVFC_SIMPLE_TASK;
- break;
- case MSG_HEAD_TAG:
- vfc_cmd->iu.pri_task_attr = IBMVFC_HEAD_OF_QUEUE;
- break;
- case MSG_ORDERED_TAG:
- vfc_cmd->iu.pri_task_attr = IBMVFC_ORDERED_TASK;
- break;
- };
+ if (cmnd->flags & SCMD_TAGGED) {
+ vfc_cmd->task_tag = cpu_to_be64(cmnd->tag);
+ vfc_cmd->iu.pri_task_attr = IBMVFC_SIMPLE_TASK;
}
if (likely(!(rc = ibmvfc_map_sg_data(cmnd, evt, vfc_cmd, vhost->dev))))
return 0;
}
-/**
- * ipr_get_task_attributes - Translate SPI Q-Tag to task attributes
- * @scsi_cmd: scsi command struct
- *
- * Return value:
- * task attributes
- **/
-static u8 ipr_get_task_attributes(struct scsi_cmnd *scsi_cmd)
-{
- u8 tag[2];
- u8 rc = IPR_FLAGS_LO_UNTAGGED_TASK;
-
- if (scsi_populate_tag_msg(scsi_cmd, tag)) {
- switch (tag[0]) {
- case MSG_SIMPLE_TAG:
- rc = IPR_FLAGS_LO_SIMPLE_TASK;
- break;
- case MSG_HEAD_TAG:
- rc = IPR_FLAGS_LO_HEAD_OF_Q_TASK;
- break;
- case MSG_ORDERED_TAG:
- rc = IPR_FLAGS_LO_ORDERED_TASK;
- break;
- };
- }
-
- return rc;
-}
-
/**
* ipr_erp_done - Process completion of ERP for a device
* @ipr_cmd: ipr command struct
ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_DELAY_AFTER_RST;
}
ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_ALIGNED_BFR;
- ioarcb->cmd_pkt.flags_lo |= ipr_get_task_attributes(scsi_cmd);
+ if (scsi_cmd->flags & SCMD_TAGGED)
+ ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_SIMPLE_TASK;
+ else
+ ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_UNTAGGED_TASK;
}
if (scsi_cmd->cmnd[0] >= 0xC0 &&
IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb;
struct lpfc_iocbq *piocbq = &(lpfc_cmd->cur_iocbq);
int datadir = scsi_cmnd->sc_data_direction;
- char tag[2];
uint8_t *ptr;
bool sli4;
uint32_t fcpdl;
memset(ptr, 0, (LPFC_FCP_CDB_LEN - scsi_cmnd->cmd_len));
}
- if (scsi_populate_tag_msg(scsi_cmnd, tag)) {
- switch (tag[0]) {
- case HEAD_OF_QUEUE_TAG:
- fcp_cmnd->fcpCntl1 = HEAD_OF_Q;
- break;
- case ORDERED_QUEUE_TAG:
- fcp_cmnd->fcpCntl1 = ORDERED_Q;
- break;
- default:
- fcp_cmnd->fcpCntl1 = SIMPLE_Q;
- break;
- }
- } else
- fcp_cmnd->fcpCntl1 = SIMPLE_Q;
+ fcp_cmnd->fcpCntl1 = SIMPLE_Q;
sli4 = (phba->sli_rev == LPFC_SLI_REV4);
piocbq->iocb.un.fcpi.fcpi_XRdy = 0;
return pmcraid_reset_bringup(pinstance) == 0 ? SUCCESS : FAILED;
}
-/**
- * pmcraid_task_attributes - Translate SPI Q-Tags to task attributes
- * @scsi_cmd: scsi command struct
- *
- * Return value
- * number of tags or 0 if the task is not tagged
- */
-static u8 pmcraid_task_attributes(struct scsi_cmnd *scsi_cmd)
-{
- char tag[2];
- u8 rc = 0;
-
- if (scsi_populate_tag_msg(scsi_cmd, tag)) {
- switch (tag[0]) {
- case MSG_SIMPLE_TAG:
- rc = TASK_TAG_SIMPLE;
- break;
- case MSG_HEAD_TAG:
- rc = TASK_TAG_QUEUE_HEAD;
- break;
- case MSG_ORDERED_TAG:
- rc = TASK_TAG_ORDERED;
- break;
- };
- }
-
- return rc;
-}
-
-
/**
* pmcraid_init_ioadls - initializes IOADL related fields in IOARCB
* @cmd: pmcraid command struct
}
ioarcb->request_flags0 |= NO_LINK_DESCS;
- ioarcb->request_flags1 |= pmcraid_task_attributes(scsi_cmd);
+
+ if (scsi_cmd->flags & SCMD_TAGGED)
+ ioarcb->request_flags1 |= TASK_TAG_SIMPLE;
if (RES_IS_GSCSI(res->cfg_entry))
ioarcb->request_flags1 |= DELAY_AFTER_RESET;
struct qla_hw_data *ha;
struct req_que *req;
struct rsp_que *rsp;
- char tag[2];
/* Setup device pointers. */
ret = 0;
/* Set target ID and LUN number*/
SET_TARGET_ID(ha, cmd_pkt->target, sp->fcport->loop_id);
cmd_pkt->lun = cpu_to_le16(cmd->device->lun);
-
- /* Update tagged queuing modifier */
- if (scsi_populate_tag_msg(cmd, tag)) {
- switch (tag[0]) {
- case HEAD_OF_QUEUE_TAG:
- cmd_pkt->control_flags =
- __constant_cpu_to_le16(CF_HEAD_TAG);
- break;
- case ORDERED_QUEUE_TAG:
- cmd_pkt->control_flags =
- __constant_cpu_to_le16(CF_ORDERED_TAG);
- break;
- default:
- cmd_pkt->control_flags =
- __constant_cpu_to_le16(CF_SIMPLE_TAG);
- break;
- }
- } else {
- cmd_pkt->control_flags = __constant_cpu_to_le16(CF_SIMPLE_TAG);
- }
+ cmd_pkt->control_flags = __constant_cpu_to_le16(CF_SIMPLE_TAG);
/* Load SCSI command packet. */
memcpy(cmd_pkt->scsi_cdb, cmd->cmnd, cmd->cmd_len);
uint16_t fcp_cmnd_len;
struct fcp_cmnd *fcp_cmnd;
dma_addr_t crc_ctx_dma;
- char tag[2];
cmd = GET_CMD_SP(sp);
cmd_pkt->fcp_cmnd_dseg_address[1] = cpu_to_le32(
MSD(crc_ctx_dma + CRC_CONTEXT_FCPCMND_OFF));
fcp_cmnd->task_management = 0;
-
- /*
- * Update tagged queuing modifier if using command tag queuing
- */
- if (scsi_populate_tag_msg(cmd, tag)) {
- switch (tag[0]) {
- case HEAD_OF_QUEUE_TAG:
- fcp_cmnd->task_attribute = TSK_HEAD_OF_QUEUE;
- break;
- case ORDERED_QUEUE_TAG:
- fcp_cmnd->task_attribute = TSK_ORDERED;
- break;
- default:
- fcp_cmnd->task_attribute = TSK_SIMPLE;
- break;
- }
- } else {
- fcp_cmnd->task_attribute = TSK_SIMPLE;
- }
+ fcp_cmnd->task_attribute = TSK_SIMPLE;
cmd_pkt->fcp_rsp_dseg_len = 0; /* Let response come in status iocb */
struct scsi_cmnd *cmd = GET_CMD_SP(sp);
struct scsi_qla_host *vha = sp->fcport->vha;
struct qla_hw_data *ha = vha->hw;
- char tag[2];
/* Setup device pointers. */
ret = 0;
int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
- /* Update tagged queuing modifier -- default is TSK_SIMPLE (0). */
- if (scsi_populate_tag_msg(cmd, tag)) {
- switch (tag[0]) {
- case HEAD_OF_QUEUE_TAG:
- cmd_pkt->task = TSK_HEAD_OF_QUEUE;
- break;
- case ORDERED_QUEUE_TAG:
- cmd_pkt->task = TSK_ORDERED;
- break;
- default:
- cmd_pkt->task = TSK_SIMPLE;
- break;
- }
- } else {
- cmd_pkt->task = TSK_SIMPLE;
- }
+ cmd_pkt->task = TSK_SIMPLE;
/* Load SCSI command packet. */
memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len);
struct qla_hw_data *ha = vha->hw;
struct req_que *req = NULL;
struct rsp_que *rsp = NULL;
- char tag[2];
/* Setup device pointers. */
ret = 0;
else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
ctx->fcp_cmnd->additional_cdb_len |= 2;
- /*
- * Update tagged queuing modifier -- default is TSK_SIMPLE (0).
- */
- if (scsi_populate_tag_msg(cmd, tag)) {
- switch (tag[0]) {
- case HEAD_OF_QUEUE_TAG:
- ctx->fcp_cmnd->task_attribute =
- TSK_HEAD_OF_QUEUE;
- break;
- case ORDERED_QUEUE_TAG:
- ctx->fcp_cmnd->task_attribute =
- TSK_ORDERED;
- break;
- }
- }
-
/* Populate the FCP_PRIO. */
if (ha->flags.fcp_prio_enabled)
ctx->fcp_cmnd->task_attribute |=
host_to_fcp_swap((uint8_t *)&cmd_pkt->lun,
sizeof(cmd_pkt->lun));
- /*
- * Update tagged queuing modifier -- default is TSK_SIMPLE (0).
- */
- if (scsi_populate_tag_msg(cmd, tag)) {
- switch (tag[0]) {
- case HEAD_OF_QUEUE_TAG:
- cmd_pkt->task = TSK_HEAD_OF_QUEUE;
- break;
- case ORDERED_QUEUE_TAG:
- cmd_pkt->task = TSK_ORDERED;
- break;
- }
- }
-
/* Populate the FCP_PRIO. */
if (ha->flags.fcp_prio_enabled)
cmd_pkt->task |= sp->fcport->fcp_prio << 3;
struct cmd_type_7_fx00 *cmd_pkt;
struct cmd_type_7_fx00 lcmd_pkt;
struct scsi_lun llun;
- char tag[2];
/* Setup device pointers. */
ret = 0;
host_to_adap((uint8_t *)&llun, (uint8_t *)&lcmd_pkt.lun,
sizeof(lcmd_pkt.lun));
- /* Update tagged queuing modifier -- default is TSK_SIMPLE (0). */
- if (scsi_populate_tag_msg(cmd, tag)) {
- switch (tag[0]) {
- case HEAD_OF_QUEUE_TAG:
- lcmd_pkt.task = TSK_HEAD_OF_QUEUE;
- break;
- case ORDERED_QUEUE_TAG:
- lcmd_pkt.task = TSK_ORDERED;
- break;
- }
- }
-
/* Load SCSI command packet. */
host_to_adap(cmd->cmnd, lcmd_pkt.fcp_cdb, sizeof(lcmd_pkt.fcp_cdb));
lcmd_pkt.byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
uint16_t req_cnt;
unsigned long flags;
uint32_t index;
- char tag[2];
/* Get real lun and adapter */
ddb_entry = srb->ddb;
/* Set tagged queueing control flags */
cmd_entry->control_flags |= CF_SIMPLE_TAG;
- if (scsi_populate_tag_msg(cmd, tag))
- switch (tag[0]) {
- case MSG_HEAD_TAG:
- cmd_entry->control_flags |= CF_HEAD_TAG;
- break;
- case MSG_ORDERED_TAG:
- cmd_entry->control_flags |= CF_ORDERED_TAG;
- break;
- }
qla4xxx_advance_req_ring_ptr(ha);
qla4xxx_build_scsi_iocbs(srb, cmd_entry, tot_dsds);
#include <scsi/scsi_host.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_eh.h>
+#include <scsi/scsi_tcq.h>
#include <scsi/scsi_transport.h>
#include <scsi/scsi_transport_spi.h>
}
EXPORT_SYMBOL_GPL(spi_populate_ppr_msg);
+/**
+ * spi_populate_tag_msg - place a tag message in a buffer
+ * @msg: pointer to the area to place the tag
+ * @cmd: pointer to the scsi command for the tag
+ *
+ * Notes:
+ * designed to create the correct type of tag message for the
+ * particular request. Returns the size of the tag message.
+ * May return 0 if TCQ is disabled for this device.
+ **/
+int spi_populate_tag_msg(unsigned char *msg, struct scsi_cmnd *cmd)
+{
+ if (cmd->flags & SCMD_TAGGED) {
+ *msg++ = MSG_SIMPLE_TAG;
+ *msg++ = cmd->request->tag;
+ return 2;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(spi_populate_tag_msg);
+
#ifdef CONFIG_SCSI_CONSTANTS
static const char * const one_byte_msgs[] = {
/* 0x00 */ "Task Complete", NULL /* Extended Message */, "Save Pointers",
#include <scsi/scsicam.h>
#include <scsi/scsi_tcq.h>
-
#define DC390_BANNER "Tekram DC390/AM53C974"
#define DC390_VERSION "2.1d 2004-05-27"
struct scsi_cmnd *scmd = pSRB->pcmd;
struct scsi_device *sdev = scmd->device;
u8 cmd, disc_allowed, try_sync_nego;
- char tag[2];
pSRB->ScsiPhase = SCSI_NOP0;
cmd = SEL_W_ATN;
DC390_write8 (ScsiFifo, IDENTIFY(disc_allowed, pDCB->TargetLUN));
/* Change 99/05/31: Don't use tags when not disconnecting (BUSY) */
- if ((pDCB->SyncMode & EN_TAG_QUEUEING) && disc_allowed && scsi_populate_tag_msg(scmd, tag)) {
- DC390_write8(ScsiFifo, tag[0]);
- pDCB->TagMask |= 1 << tag[1];
- pSRB->TagNumber = tag[1];
- DC390_write8(ScsiFifo, tag[1]);
+ if ((pDCB->SyncMode & EN_TAG_QUEUEING) && disc_allowed && (scmd->flags & SCMD_TAGGED)) {
+ DC390_write8(ScsiFifo, MSG_SIMPLE_TAG);
+ pDCB->TagMask |= 1 << scmd->request->tag;
+ pSRB->TagNumber = scmd->request->tag;
+ DC390_write8(ScsiFifo, scmd->request->tag);
DEBUG1(printk(KERN_INFO "DC390: Select w/DisCn for SRB %p, block tag %02x\n", pSRB, tag[1]));
cmd = SEL_W_ATN3;
} else {
scsi_adjust_queue_depth(sdev, 0, depth);
}
-/**
- * scsi_populate_tag_msg - place a tag message in a buffer
- * @SCpnt: pointer to the Scsi_Cmnd for the tag
- * @msg: pointer to the area to place the tag
- *
- * Notes:
- * designed to create the correct type of tag message for the
- * particular request. Returns the size of the tag message.
- * May return 0 if TCQ is disabled for this device.
- **/
-static inline int scsi_populate_tag_msg(struct scsi_cmnd *cmd, char *msg)
-{
- if (cmd->flags & SCMD_TAGGED) {
- *msg++ = MSG_SIMPLE_TAG;
- *msg++ = cmd->request->tag;
- return 2;
- }
-
- return 0;
-}
-
static inline struct scsi_cmnd *scsi_mq_find_tag(struct Scsi_Host *shost,
int unique_tag)
{
int spi_populate_sync_msg(unsigned char *msg, int period, int offset);
int spi_populate_ppr_msg(unsigned char *msg, int period, int offset, int width,
int options);
+int spi_populate_tag_msg(unsigned char *msg, struct scsi_cmnd *cmd);
#endif /* SCSI_TRANSPORT_SPI_H */
projects / linux-block.git / commitdiff