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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.c163
1 files changed, 123 insertions, 40 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 1692a883f4de..ab90329ff2e4 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -8,6 +8,7 @@
#include <linux/delay.h>
#include <scsi/scsi_tcq.h>
+#include <scsi/scsi_bsg_fc.h>
static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
static void qla2x00_process_completed_request(struct scsi_qla_host *,
@@ -152,7 +153,7 @@ 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);
@@ -881,7 +882,9 @@ qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
index);
return NULL;
}
+
req->outstanding_cmds[index] = NULL;
+
done:
return sp;
}
@@ -982,6 +985,100 @@ done_post_logio_done_work:
}
static void
+qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
+ struct sts_entry_24xx *pkt, int iocb_type)
+{
+ const char func[] = "ELS_CT_IOCB";
+ const char *type;
+ struct qla_hw_data *ha = vha->hw;
+ srb_t *sp;
+ struct srb_bsg *sp_bsg;
+ struct fc_bsg_job *bsg_job;
+ uint16_t comp_status;
+ uint32_t fw_status[3];
+ uint8_t* fw_sts_ptr;
+
+ sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
+ if (!sp)
+ return;
+ sp_bsg = (struct srb_bsg*)sp->ctx;
+ bsg_job = sp_bsg->bsg_job;
+
+ type = NULL;
+ switch (sp_bsg->ctx.type) {
+ case SRB_ELS_CMD_RPT:
+ case SRB_ELS_CMD_HST:
+ type = "els";
+ break;
+ case SRB_CT_CMD:
+ type = "ct pass-through";
+ break;
+ default:
+ qla_printk(KERN_WARNING, ha,
+ "%s: Unrecognized SRB: (%p) type=%d.\n", func, sp,
+ sp_bsg->ctx.type);
+ return;
+ }
+
+ comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
+ fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
+ fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
+
+ /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
+ * fc payload to the caller
+ */
+ bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
+
+ if (comp_status != CS_COMPLETE) {
+ if (comp_status == CS_DATA_UNDERRUN) {
+ bsg_job->reply->result = DID_OK << 16;
+ bsg_job->reply->reply_payload_rcv_len =
+ le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->total_byte_count);
+
+ DEBUG2(qla_printk(KERN_WARNING, ha,
+ "scsi(%ld:0x%x): ELS-CT pass-through-%s error comp_status-status=0x%x "
+ "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
+ vha->host_no, sp->handle, type, comp_status, fw_status[1], fw_status[2],
+ le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->total_byte_count)));
+ fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
+ memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
+ }
+ else {
+ DEBUG2(qla_printk(KERN_WARNING, ha,
+ "scsi(%ld:0x%x): ELS-CT pass-through-%s error comp_status-status=0x%x "
+ "error subcode 1=0x%x error subcode 2=0x%x.\n",
+ vha->host_no, sp->handle, type, comp_status,
+ le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1),
+ le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2)));
+ bsg_job->reply->result = DID_ERROR << 16;
+ bsg_job->reply->reply_payload_rcv_len = 0;
+ fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
+ memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
+ }
+ DEBUG2(qla2x00_dump_buffer((uint8_t *)pkt, sizeof(*pkt)));
+ }
+ else {
+ bsg_job->reply->result = DID_OK << 16;;
+ bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
+ bsg_job->reply_len = 0;
+ }
+
+ dma_unmap_sg(&ha->pdev->dev,
+ bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+ dma_unmap_sg(&ha->pdev->dev,
+ bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+ if ((sp_bsg->ctx.type == SRB_ELS_CMD_HST) ||
+ (sp_bsg->ctx.type == SRB_CT_CMD))
+ kfree(sp->fcport);
+ kfree(sp->ctx);
+ mempool_free(sp, ha->srb_mempool);
+ bsg_job->job_done(bsg_job);
+}
+
+static void
qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
struct logio_entry_24xx *logio)
{
@@ -1749,6 +1846,13 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha,
qla24xx_logio_entry(vha, rsp->req,
(struct logio_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);
+ break;
+ case ELS_IOCB_TYPE:
+ qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
+ break;
default:
/* Type Not Supported. */
DEBUG4(printk(KERN_WARNING
@@ -1846,12 +1950,15 @@ 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);
@@ -1914,6 +2021,7 @@ qla24xx_msix_rsp_q(int irq, void *dev_id)
struct rsp_que *rsp;
struct device_reg_24xx __iomem *reg;
struct scsi_qla_host *vha;
+ unsigned long flags;
rsp = (struct rsp_que *) dev_id;
if (!rsp) {
@@ -1924,15 +2032,15 @@ qla24xx_msix_rsp_q(int irq, void *dev_id)
ha = rsp->hw;
reg = &ha->iobase->isp24;
- spin_lock_irq(&ha->hardware_lock);
+ spin_lock_irqsave(&ha->hardware_lock, flags);
- vha = qla25xx_get_host(rsp);
+ vha = pci_get_drvdata(ha->pdev);
qla24xx_process_response_queue(vha, rsp);
if (!ha->flags.disable_msix_handshake) {
WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
RD_REG_DWORD_RELAXED(&reg->hccr);
}
- spin_unlock_irq(&ha->hardware_lock);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
return IRQ_HANDLED;
}
@@ -1943,6 +2051,7 @@ qla25xx_msix_rsp_q(int irq, void *dev_id)
struct qla_hw_data *ha;
struct rsp_que *rsp;
struct device_reg_24xx __iomem *reg;
+ unsigned long flags;
rsp = (struct rsp_que *) dev_id;
if (!rsp) {
@@ -1955,10 +2064,10 @@ qla25xx_msix_rsp_q(int irq, void *dev_id)
/* Clear the interrupt, if enabled, for this response queue */
if (rsp->options & ~BIT_6) {
reg = &ha->iobase->isp24;
- spin_lock_irq(&ha->hardware_lock);
+ spin_lock_irqsave(&ha->hardware_lock, flags);
WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
RD_REG_DWORD_RELAXED(&reg->hccr);
- spin_unlock_irq(&ha->hardware_lock);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work);
@@ -1976,6 +2085,7 @@ qla24xx_msix_default(int irq, void *dev_id)
uint32_t stat;
uint32_t hccr;
uint16_t mb[4];
+ unsigned long flags;
rsp = (struct rsp_que *) dev_id;
if (!rsp) {
@@ -1987,12 +2097,12 @@ qla24xx_msix_default(int irq, void *dev_id)
reg = &ha->iobase->isp24;
status = 0;
- spin_lock_irq(&ha->hardware_lock);
+ spin_lock_irqsave(&ha->hardware_lock, flags);
vha = pci_get_drvdata(ha->pdev);
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);
@@ -2036,14 +2146,13 @@ qla24xx_msix_default(int irq, void *dev_id)
}
WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
} while (0);
- spin_unlock_irq(&ha->hardware_lock);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
(status & MBX_INTERRUPT) && ha->flags.mbox_int) {
set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
complete(&ha->mbx_intr_comp);
}
-
return IRQ_HANDLED;
}
@@ -2249,10 +2358,11 @@ qla2x00_free_irqs(scsi_qla_host_t *vha)
if (ha->flags.msix_enabled)
qla24xx_disable_msix(ha);
- else if (ha->flags.inta_enabled) {
+ else if (ha->flags.msi_enabled) {
free_irq(ha->pdev->irq, rsp);
pci_disable_msi(ha->pdev);
- }
+ } else
+ free_irq(ha->pdev->irq, rsp);
}
@@ -2274,30 +2384,3 @@ int qla25xx_request_irq(struct rsp_que *rsp)
msix->rsp = rsp;
return ret;
}
-
-struct scsi_qla_host *
-qla25xx_get_host(struct rsp_que *rsp)
-{
- srb_t *sp;
- struct qla_hw_data *ha = rsp->hw;
- struct scsi_qla_host *vha = NULL;
- struct sts_entry_24xx *pkt;
- struct req_que *req;
- uint16_t que;
- uint32_t handle;
-
- pkt = (struct sts_entry_24xx *) rsp->ring_ptr;
- que = MSW(pkt->handle);
- handle = (uint32_t) LSW(pkt->handle);
- req = ha->req_q_map[que];
- if (handle < MAX_OUTSTANDING_COMMANDS) {
- sp = req->outstanding_cmds[handle];
- if (sp)
- return sp->fcport->vha;
- else
- goto base_que;
- }
-base_que:
- vha = pci_get_drvdata(ha->pdev);
- return vha;
-}
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-07-11 20:24:17 +0200