return rval;
}
-static void
-qla2x00_async_marker_ctx_done(srb_t *sp)
-{
- struct srb_ctx *ctx = sp->ctx;
- struct srb_iocb *iocb = (struct srb_iocb *)ctx->u.iocb_cmd;
-
- qla2x00_async_marker_done(sp->fcport->vha, sp->fcport, iocb);
- iocb->free(sp);
-}
-
-int
-qla2x00_async_marker(fc_port_t *fcport, uint16_t lun, uint8_t modif)
-{
- struct scsi_qla_host *vha = fcport->vha;
- srb_t *sp;
- struct srb_ctx *ctx;
- struct srb_iocb *mrk;
- int rval;
-
- rval = QLA_FUNCTION_FAILED;
- sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx), 0);
- if (!sp)
- goto done;
-
- ctx = sp->ctx;
- ctx->type = SRB_MARKER_CMD;
- ctx->name = "marker";
- mrk = ctx->u.iocb_cmd;
- mrk->u.marker.lun = lun;
- mrk->u.marker.modif = modif;
- mrk->timeout = qla2x00_async_iocb_timeout;
- mrk->done = qla2x00_async_marker_ctx_done;
-
- rval = qla2x00_start_sp(sp);
- if (rval != QLA_SUCCESS)
- goto done_free_sp;
-
- DEBUG2(printk(KERN_DEBUG
- "scsi(%ld:%x): Async-marker - loop-id=%x "
- "portid=%02x%02x%02x.\n",
- fcport->vha->host_no, sp->handle, fcport->loop_id,
- fcport->d_id.b.domain, fcport->d_id.b.area,
- fcport->d_id.b.al_pa));
-
- return rval;
-
-done_free_sp:
- mrk->free(sp);
-done:
- return rval;
-}
-
void
qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
uint16_t *data)
lun = (uint16_t)iocb->u.tmf.lun;
/* Issue Marker IOCB */
- rval = qla2x00_async_marker(fcport, lun,
+ rval = qla2x00_marker(vha, vha->hw->req_q_map[0],
+ vha->hw->rsp_q_map[0], fcport->loop_id, lun,
flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
return;
}
-void
-qla2x00_async_marker_done(struct scsi_qla_host *vha, fc_port_t *fcport,
- struct srb_iocb *iocb)
-{
- /*
- * Currently we dont have any specific post response processing
- * for this IOCB. We'll just return success or failed
- * depending on whether the IOCB command succeeded or failed.
- */
- if (iocb->u.tmf.data) {
- DEBUG2_3_11(printk(KERN_WARNING
- "%s(%ld): Marker IOCB failed (%x).\n",
- __func__, vha->host_no, iocb->u.tmf.data));
- }
-
- return;
-}
-
/****************************************************************************/
/* QLogic ISP2x00 Hardware Support Functions. */
/****************************************************************************/
#include <scsi/scsi_tcq.h>
-static request_t *qla2x00_req_pkt(struct scsi_qla_host *, struct req_que *,
- struct rsp_que *rsp);
static void qla2x00_isp_cmd(struct scsi_qla_host *, struct req_que *);
static void qla25xx_set_que(srb_t *, struct rsp_que **);
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
mrk24 = NULL;
- mrk = (mrk_entry_t *)qla2x00_req_pkt(vha, req, rsp);
+ mrk = (mrk_entry_t *)qla2x00_alloc_iocbs(vha, 0);
if (mrk == NULL) {
DEBUG2_3(printk("%s(%ld): failed to allocate Marker IOCB.\n",
__func__, base_vha->host_no));
}
/**
- * qla2x00_req_pkt() - Retrieve a request packet from the request ring.
- * @ha: HA context
- *
- * Note: The caller must hold the hardware lock before calling this routine.
- *
- * Returns NULL if function failed, else, a pointer to the request packet.
- */
-static request_t *
-qla2x00_req_pkt(struct scsi_qla_host *vha, struct req_que *req,
- struct rsp_que *rsp)
-{
- struct qla_hw_data *ha = vha->hw;
- device_reg_t __iomem *reg = ISP_QUE_REG(ha, req->id);
- request_t *pkt = NULL;
- uint16_t cnt;
- uint32_t *dword_ptr;
- uint32_t timer;
- uint16_t req_cnt = 1;
-
- /* Wait 1 second for slot. */
- for (timer = HZ; timer; timer--) {
- if ((req_cnt + 2) >= req->cnt) {
- /* Calculate number of free request entries. */
- if (ha->mqenable)
- cnt = (uint16_t)
- RD_REG_DWORD(®->isp25mq.req_q_out);
- else {
- if (IS_QLA82XX(ha))
- cnt = (uint16_t)RD_REG_DWORD(
- ®->isp82.req_q_out);
- else if (IS_FWI2_CAPABLE(ha))
- cnt = (uint16_t)RD_REG_DWORD(
- ®->isp24.req_q_out);
- else
- cnt = qla2x00_debounce_register(
- ISP_REQ_Q_OUT(ha, ®->isp));
- }
- if (req->ring_index < cnt)
- req->cnt = cnt - req->ring_index;
- else
- req->cnt = req->length -
- (req->ring_index - cnt);
- }
- /* If room for request in request ring. */
- if ((req_cnt + 2) < req->cnt) {
- req->cnt--;
- pkt = req->ring_ptr;
-
- /* Zero out packet. */
- dword_ptr = (uint32_t *)pkt;
- for (cnt = 0; cnt < REQUEST_ENTRY_SIZE / 4; cnt++)
- *dword_ptr++ = 0;
-
- /* Set entry count. */
- pkt->entry_count = 1;
-
- break;
- }
-
- /* Release ring specific lock */
- spin_unlock_irq(&ha->hardware_lock);
-
- udelay(2); /* 2 us */
-
- /* Check for pending interrupts. */
- /* During init we issue marker directly */
- if (!vha->marker_needed && !vha->flags.init_done)
- qla2x00_poll(rsp);
- spin_lock_irq(&ha->hardware_lock);
- }
- if (!pkt) {
- DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
- }
-
- return (pkt);
-}
-
-/**
* qla2x00_isp_cmd() - Modify the request ring pointer.
* @ha: HA context
*
}
/* Generic Control-SRB manipulation functions. */
-
-static void *
-qla2x00_alloc_iocbs(srb_t *sp)
+void *
+qla2x00_alloc_iocbs(scsi_qla_host_t *vha, srb_t *sp)
{
- scsi_qla_host_t *vha = sp->fcport->vha;
struct qla_hw_data *ha = vha->hw;
struct req_que *req = ha->req_q_map[0];
device_reg_t __iomem *reg = ISP_QUE_REG(ha, req->id);
pkt = NULL;
req_cnt = 1;
+ handle = 0;
+
+ if (!sp)
+ goto skip_cmd_array;
/* Check for room in outstanding command list. */
handle = req->current_outstanding_cmd;
if (index == MAX_OUTSTANDING_COMMANDS)
goto queuing_error;
+ /* Prep command array. */
+ req->current_outstanding_cmd = handle;
+ req->outstanding_cmds[handle] = sp;
+ sp->handle = handle;
+
+skip_cmd_array:
/* Check for room on request queue. */
if (req->cnt < req_cnt) {
if (ha->mqenable)
cnt = RD_REG_DWORD(®->isp25mq.req_q_out);
+ else if (IS_QLA82XX(ha))
+ cnt = RD_REG_DWORD(®->isp82.req_q_out);
else if (IS_FWI2_CAPABLE(ha))
cnt = RD_REG_DWORD(®->isp24.req_q_out);
else
goto queuing_error;
/* Prep packet */
- req->current_outstanding_cmd = handle;
- req->outstanding_cmds[handle] = sp;
req->cnt -= req_cnt;
-
pkt = req->ring_ptr;
memset(pkt, 0, REQUEST_ENTRY_SIZE);
pkt->entry_count = req_cnt;
pkt->handle = handle;
- sp->handle = handle;
queuing_error:
return pkt;
}
static void
-qla24xx_marker_iocb(srb_t *sp, struct mrk_entry_24xx *mrk)
-{
- uint16_t lun;
- uint8_t modif;
- struct fc_port *fcport = sp->fcport;
- scsi_qla_host_t *vha = fcport->vha;
- struct srb_ctx *ctx = sp->ctx;
- struct srb_iocb *iocb = ctx->u.iocb_cmd;
- struct req_que *req = vha->req;
-
- lun = iocb->u.marker.lun;
- modif = iocb->u.marker.modif;
- mrk->entry_type = MARKER_TYPE;
- mrk->modifier = modif;
- if (modif != MK_SYNC_ALL) {
- mrk->nport_handle = cpu_to_le16(fcport->loop_id);
- mrk->lun[1] = LSB(lun);
- mrk->lun[2] = MSB(lun);
- host_to_fcp_swap(mrk->lun, sizeof(mrk->lun));
- mrk->vp_index = vha->vp_idx;
- mrk->handle = MAKE_HANDLE(req->id, mrk->handle);
- }
-}
-
-static void
qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
{
struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job;
rval = QLA_FUNCTION_FAILED;
spin_lock_irqsave(&ha->hardware_lock, flags);
- pkt = qla2x00_alloc_iocbs(sp);
+ pkt = qla2x00_alloc_iocbs(sp->fcport->vha, sp);
if (!pkt)
goto done;
case SRB_TM_CMD:
qla24xx_tm_iocb(sp, pkt);
break;
- case SRB_MARKER_CMD:
- qla24xx_marker_iocb(sp, pkt);
- break;
default:
break;
}
iocb->done(sp);
}
-static void
-qla24xx_marker_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
- struct mrk_entry_24xx *mrk)
-{
- const char func[] = "MRK-IOCB";
- const char *type;
- fc_port_t *fcport;
- srb_t *sp;
- struct srb_iocb *iocb;
- struct srb_ctx *ctx;
- struct sts_entry_24xx *sts = (struct sts_entry_24xx *)mrk;
-
- sp = qla2x00_get_sp_from_handle(vha, func, req, mrk);
- if (!sp)
- return;
-
- ctx = sp->ctx;
- iocb = ctx->u.iocb_cmd;
- type = ctx->name;
- fcport = sp->fcport;
-
- if (sts->entry_status) {
- iocb->u.marker.data = 1;
- DEBUG2(printk(KERN_WARNING
- "scsi(%ld:%x): Async-%s error entry - entry-status=%x.\n",
- fcport->vha->host_no, sp->handle, type,
- sts->entry_status));
- DEBUG2(qla2x00_dump_buffer((uint8_t *)mrk, sizeof(*sts)));
- }
-
- iocb->done(sp);
-}
-
/**
* qla2x00_process_response_queue() - Process response queue entries.
* @ha: SCSI driver HA context
qla24xx_tm_iocb_entry(vha, rsp->req,
(struct tsk_mgmt_entry *)pkt);
break;
- case MARKER_TYPE:
- qla24xx_marker_iocb_entry(vha, rsp->req,
- (struct mrk_entry_24xx *)pkt);
- break;
case CT_IOCB_TYPE:
qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
clear_bit(MBX_INTERRUPT, &vha->hw->mbx_cmd_flags);
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