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path: root/drivers/scsi/qla2xxx/qla_isr.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_isr.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c112
1 files changed, 16 insertions, 96 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 804987397b7..ffd0efdff40 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -152,7 +152,7 @@ qla2300_intr_handler(int irq, void *dev_id)
for (iter = 50; iter--; ) {
stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
if (stat & HSR_RISC_PAUSED) {
- if (pci_channel_offline(ha->pdev))
+ if (unlikely(pci_channel_offline(ha->pdev)))
break;
hccr = RD_REG_WORD(&reg->hccr);
@@ -811,78 +811,6 @@ skip_rio:
qla2x00_alert_all_vps(rsp, mb);
}
-static void
-qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, void *data)
-{
- fc_port_t *fcport = data;
- struct scsi_qla_host *vha = fcport->vha;
- struct qla_hw_data *ha = vha->hw;
- struct req_que *req = NULL;
-
- if (!ql2xqfulltracking)
- return;
-
- req = vha->req;
- if (!req)
- return;
- if (req->max_q_depth <= sdev->queue_depth)
- return;
-
- if (sdev->ordered_tags)
- scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG,
- sdev->queue_depth + 1);
- else
- scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG,
- sdev->queue_depth + 1);
-
- fcport->last_ramp_up = jiffies;
-
- DEBUG2(qla_printk(KERN_INFO, ha,
- "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
- fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
- sdev->queue_depth));
-}
-
-static void
-qla2x00_adjust_sdev_qdepth_down(struct scsi_device *sdev, void *data)
-{
- fc_port_t *fcport = data;
-
- if (!scsi_track_queue_full(sdev, sdev->queue_depth - 1))
- return;
-
- DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
- "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
- fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
- sdev->queue_depth));
-}
-
-static inline void
-qla2x00_ramp_up_queue_depth(scsi_qla_host_t *vha, struct req_que *req,
- srb_t *sp)
-{
- fc_port_t *fcport;
- struct scsi_device *sdev;
-
- if (!ql2xqfulltracking)
- return;
-
- sdev = sp->cmd->device;
- if (sdev->queue_depth >= req->max_q_depth)
- return;
-
- fcport = sp->fcport;
- if (time_before(jiffies,
- fcport->last_ramp_up + ql2xqfullrampup * HZ))
- return;
- if (time_before(jiffies,
- fcport->last_queue_full + ql2xqfullrampup * HZ))
- return;
-
- starget_for_each_device(sdev->sdev_target, fcport,
- qla2x00_adjust_sdev_qdepth_up);
-}
-
/**
* qla2x00_process_completed_request() - Process a Fast Post response.
* @ha: SCSI driver HA context
@@ -913,8 +841,6 @@ qla2x00_process_completed_request(struct scsi_qla_host *vha,
/* Save ISP completion status */
sp->cmd->result = DID_OK << 16;
-
- qla2x00_ramp_up_queue_depth(vha, req, sp);
qla2x00_sp_compl(ha, sp);
} else {
DEBUG2(printk("scsi(%ld) Req:%d: Invalid ISP SCSI completion"
@@ -1435,13 +1361,6 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
"scsi(%ld): QUEUE FULL status detected "
"0x%x-0x%x.\n", vha->host_no, comp_status,
scsi_status));
-
- /* Adjust queue depth for all luns on the port. */
- if (!ql2xqfulltracking)
- break;
- fcport->last_queue_full = jiffies;
- starget_for_each_device(cp->device->sdev_target,
- fcport, qla2x00_adjust_sdev_qdepth_down);
break;
}
if (lscsi_status != SS_CHECK_CONDITION)
@@ -1516,17 +1435,6 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
"scsi(%ld): QUEUE FULL status detected "
"0x%x-0x%x.\n", vha->host_no, comp_status,
scsi_status));
-
- /*
- * Adjust queue depth for all luns on the
- * port.
- */
- if (!ql2xqfulltracking)
- break;
- fcport->last_queue_full = jiffies;
- starget_for_each_device(
- cp->device->sdev_target, fcport,
- qla2x00_adjust_sdev_qdepth_down);
break;
}
if (lscsi_status != SS_CHECK_CONDITION)
@@ -1938,12 +1846,15 @@ qla24xx_intr_handler(int irq, void *dev_id)
reg = &ha->iobase->isp24;
status = 0;
+ if (unlikely(pci_channel_offline(ha->pdev)))
+ return IRQ_HANDLED;
+
spin_lock_irqsave(&ha->hardware_lock, flags);
vha = pci_get_drvdata(ha->pdev);
for (iter = 50; iter--; ) {
stat = RD_REG_DWORD(&reg->host_status);
if (stat & HSRX_RISC_PAUSED) {
- if (pci_channel_offline(ha->pdev))
+ if (unlikely(pci_channel_offline(ha->pdev)))
break;
hccr = RD_REG_DWORD(&reg->hccr);
@@ -2020,7 +1931,7 @@ qla24xx_msix_rsp_q(int irq, void *dev_id)
vha = qla25xx_get_host(rsp);
qla24xx_process_response_queue(vha, rsp);
- if (!ha->mqenable) {
+ if (!ha->flags.disable_msix_handshake) {
WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
RD_REG_DWORD_RELAXED(&reg->hccr);
}
@@ -2034,6 +1945,7 @@ qla25xx_msix_rsp_q(int irq, void *dev_id)
{
struct qla_hw_data *ha;
struct rsp_que *rsp;
+ struct device_reg_24xx __iomem *reg;
rsp = (struct rsp_que *) dev_id;
if (!rsp) {
@@ -2043,6 +1955,14 @@ qla25xx_msix_rsp_q(int irq, void *dev_id)
}
ha = rsp->hw;
+ /* Clear the interrupt, if enabled, for this response queue */
+ if (rsp->options & ~BIT_6) {
+ reg = &ha->iobase->isp24;
+ spin_lock_irq(&ha->hardware_lock);
+ WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
+ RD_REG_DWORD_RELAXED(&reg->hccr);
+ spin_unlock_irq(&ha->hardware_lock);
+ }
queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work);
return IRQ_HANDLED;
@@ -2075,7 +1995,7 @@ qla24xx_msix_default(int irq, void *dev_id)
do {
stat = RD_REG_DWORD(&reg->host_status);
if (stat & HSRX_RISC_PAUSED) {
- if (pci_channel_offline(ha->pdev))
+ if (unlikely(pci_channel_offline(ha->pdev)))
break;
hccr = RD_REG_DWORD(&reg->hccr);
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 01:05:54 +0000