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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.c244
1 files changed, 169 insertions, 75 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index ff9c86b1a0d..a56825c73c3 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -1,6 +1,6 @@
/*
* QLogic Fibre Channel HBA Driver
- * Copyright (c) 2003-2013 QLogic Corporation
+ * Copyright (c) 2003-2014 QLogic Corporation
*
* See LICENSE.qla2xxx for copyright and licensing details.
*/
@@ -56,6 +56,16 @@ qla2100_intr_handler(int irq, void *dev_id)
vha = pci_get_drvdata(ha->pdev);
for (iter = 50; iter--; ) {
hccr = RD_REG_WORD(&reg->hccr);
+ /* Check for PCI disconnection */
+ if (hccr == 0xffff) {
+ /*
+ * Schedule this on the default system workqueue so that
+ * all the adapter workqueues and the DPC thread can be
+ * shutdown cleanly.
+ */
+ schedule_work(&ha->board_disable);
+ break;
+ }
if (hccr & HCCR_RISC_PAUSE) {
if (pci_channel_offline(ha->pdev))
break;
@@ -110,6 +120,22 @@ qla2100_intr_handler(int irq, void *dev_id)
return (IRQ_HANDLED);
}
+bool
+qla2x00_check_reg_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
+{
+ /* Check for PCI disconnection */
+ if (reg == 0xffffffff) {
+ /*
+ * Schedule this on the default system workqueue so that all the
+ * adapter workqueues and the DPC thread can be shutdown
+ * cleanly.
+ */
+ schedule_work(&vha->hw->board_disable);
+ return true;
+ } else
+ return false;
+}
+
/**
* qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
* @irq:
@@ -148,11 +174,14 @@ qla2300_intr_handler(int irq, void *dev_id)
vha = pci_get_drvdata(ha->pdev);
for (iter = 50; iter--; ) {
stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
+ if (qla2x00_check_reg_for_disconnect(vha, stat))
+ break;
if (stat & HSR_RISC_PAUSED) {
if (unlikely(pci_channel_offline(ha->pdev)))
break;
hccr = RD_REG_WORD(&reg->hccr);
+
if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
ql_log(ql_log_warn, vha, 0x5026,
"Parity error -- HCCR=%x, Dumping "
@@ -269,11 +298,18 @@ qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
{ "Complete", "Request Notification", "Time Extension" };
int rval;
struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
+ struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
uint16_t __iomem *wptr;
uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
/* Seed data -- mailbox1 -> mailbox7. */
- wptr = (uint16_t __iomem *)&reg24->mailbox1;
+ if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
+ wptr = (uint16_t __iomem *)&reg24->mailbox1;
+ else if (IS_QLA8044(vha->hw))
+ wptr = (uint16_t __iomem *)&reg82->mailbox_out[1];
+ else
+ return;
+
for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
mb[cnt] = RD_REG_WORD(wptr);
@@ -287,7 +323,7 @@ qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
case MBA_IDC_COMPLETE:
if (mb[1] >> 15) {
vha->hw->flags.idc_compl_status = 1;
- if (vha->hw->notify_dcbx_comp)
+ if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
complete(&vha->hw->dcbx_comp);
}
break;
@@ -320,15 +356,16 @@ qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
const char *
qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
{
- static const char * const link_speeds[] = {
- "1", "2", "?", "4", "8", "16", "10"
+ static const char *const link_speeds[] = {
+ "1", "2", "?", "4", "8", "16", "32", "10"
};
+#define QLA_LAST_SPEED 7
if (IS_QLA2100(ha) || IS_QLA2200(ha))
return link_speeds[0];
else if (speed == 0x13)
- return link_speeds[6];
- else if (speed < 6)
+ return link_speeds[QLA_LAST_SPEED];
+ else if (speed < QLA_LAST_SPEED)
return link_speeds[speed];
else
return link_speeds[LS_UNKNOWN];
@@ -613,7 +650,7 @@ skip_rio:
break;
case MBA_SYSTEM_ERR: /* System Error */
- mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha)) ?
+ mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ?
RD_REG_WORD(&reg24->mailbox7) : 0;
ql_log(ql_log_warn, vha, 0x5003,
"ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
@@ -630,7 +667,7 @@ skip_rio:
vha->device_flags |= DFLG_DEV_FAILED;
} else {
/* Check to see if MPI timeout occurred */
- if ((mbx & MBX_3) && (ha->flags.port0))
+ if ((mbx & MBX_3) && (ha->port_no == 0))
set_bit(MPI_RESET_NEEDED,
&vha->dpc_flags);
@@ -758,7 +795,7 @@ skip_rio:
ql_dbg(ql_dbg_async, vha, 0x500d,
"DCBX Completed -- %04x %04x %04x.\n",
mb[1], mb[2], mb[3]);
- if (ha->notify_dcbx_comp)
+ if (ha->notify_dcbx_comp && !vha->vp_idx)
complete(&ha->dcbx_comp);
} else
@@ -1032,7 +1069,7 @@ skip_rio:
}
}
case MBA_IDC_COMPLETE:
- if (ha->notify_lb_portup_comp)
+ if (ha->notify_lb_portup_comp && !vha->vp_idx)
complete(&ha->lb_portup_comp);
/* Fallthru */
case MBA_IDC_TIME_EXT:
@@ -1461,8 +1498,7 @@ logio_done:
}
static void
-qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
- struct tsk_mgmt_entry *tsk)
+qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
{
const char func[] = "TMF-IOCB";
const char *type;
@@ -1470,7 +1506,6 @@ qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
srb_t *sp;
struct srb_iocb *iocb;
struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
- int error = 1;
sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
if (!sp)
@@ -1479,37 +1514,35 @@ qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
iocb = &sp->u.iocb_cmd;
type = sp->name;
fcport = sp->fcport;
+ iocb->u.tmf.data = QLA_SUCCESS;
if (sts->entry_status) {
ql_log(ql_log_warn, fcport->vha, 0x5038,
"Async-%s error - hdl=%x entry-status(%x).\n",
type, sp->handle, sts->entry_status);
+ iocb->u.tmf.data = QLA_FUNCTION_FAILED;
} else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
ql_log(ql_log_warn, fcport->vha, 0x5039,
"Async-%s error - hdl=%x completion status(%x).\n",
type, sp->handle, sts->comp_status);
- } else if (!(le16_to_cpu(sts->scsi_status) &
+ iocb->u.tmf.data = QLA_FUNCTION_FAILED;
+ } else if ((le16_to_cpu(sts->scsi_status) &
SS_RESPONSE_INFO_LEN_VALID)) {
- ql_log(ql_log_warn, fcport->vha, 0x503a,
- "Async-%s error - hdl=%x no response info(%x).\n",
- type, sp->handle, sts->scsi_status);
- } else if (le32_to_cpu(sts->rsp_data_len) < 4) {
- ql_log(ql_log_warn, fcport->vha, 0x503b,
- "Async-%s error - hdl=%x not enough response(%d).\n",
- type, sp->handle, sts->rsp_data_len);
- } else if (sts->data[3]) {
- ql_log(ql_log_warn, fcport->vha, 0x503c,
- "Async-%s error - hdl=%x response(%x).\n",
- type, sp->handle, sts->data[3]);
- } else {
- error = 0;
+ if (le32_to_cpu(sts->rsp_data_len) < 4) {
+ ql_log(ql_log_warn, fcport->vha, 0x503b,
+ "Async-%s error - hdl=%x not enough response(%d).\n",
+ type, sp->handle, sts->rsp_data_len);
+ } else if (sts->data[3]) {
+ ql_log(ql_log_warn, fcport->vha, 0x503c,
+ "Async-%s error - hdl=%x response(%x).\n",
+ type, sp->handle, sts->data[3]);
+ iocb->u.tmf.data = QLA_FUNCTION_FAILED;
+ }
}
- if (error) {
- iocb->u.tmf.data = error;
+ if (iocb->u.tmf.data != QLA_SUCCESS)
ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
(uint8_t *)sts, sizeof(*sts));
- }
sp->done(vha, sp, 0);
}
@@ -1976,11 +2009,13 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
ql_dbg(ql_dbg_io, vha, 0x3017,
"Invalid status handle (0x%x).\n", sts->handle);
- if (IS_P3P_TYPE(ha))
- set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
- else
- set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
- qla2xxx_wake_dpc(vha);
+ if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
+ if (IS_P3P_TYPE(ha))
+ set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
+ else
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ }
return;
}
@@ -1989,9 +2024,14 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
return;
}
+ /* Task Management completion. */
+ if (sp->type == SRB_TM_CMD) {
+ qla24xx_tm_iocb_entry(vha, req, pkt);
+ return;
+ }
+
/* Fast path completion. */
if (comp_status == CS_COMPLETE && scsi_status == 0) {
- qla2x00_do_host_ramp_up(vha);
qla2x00_process_completed_request(vha, req, handle);
return;
@@ -2250,9 +2290,6 @@ out:
cp->cmnd, scsi_bufflen(cp), rsp_info_len,
resid_len, fw_resid_len);
- if (!res)
- qla2x00_do_host_ramp_up(vha);
-
if (rsp->status_srb == NULL)
sp->done(ha, sp, res);
}
@@ -2393,6 +2430,23 @@ qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
}
}
+static void
+qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
+ struct abort_entry_24xx *pkt)
+{
+ const char func[] = "ABT_IOCB";
+ srb_t *sp;
+ struct srb_iocb *abt;
+
+ sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
+ if (!sp)
+ return;
+
+ abt = &sp->u.iocb_cmd;
+ abt->u.abt.comp_status = le32_to_cpu(pkt->nport_handle);
+ sp->done(vha, sp, 0);
+}
+
/**
* qla24xx_process_response_queue() - Process response queue entries.
* @ha: SCSI driver HA context
@@ -2420,12 +2474,14 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha,
if (pkt->entry_status != 0) {
qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt);
- (void)qlt_24xx_process_response_error(vha, pkt);
+ if (qlt_24xx_process_response_error(vha, pkt))
+ goto process_err;
((response_t *)pkt)->signature = RESPONSE_PROCESSED;
wmb();
continue;
}
+process_err:
switch (pkt->entry_type) {
case STATUS_TYPE:
@@ -2442,14 +2498,10 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha,
qla24xx_logio_entry(vha, rsp->req,
(struct logio_entry_24xx *)pkt);
break;
- case TSK_MGMT_IOCB_TYPE:
- qla24xx_tm_iocb_entry(vha, rsp->req,
- (struct tsk_mgmt_entry *)pkt);
- break;
- case CT_IOCB_TYPE:
+ case CT_IOCB_TYPE:
qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
break;
- case ELS_IOCB_TYPE:
+ case ELS_IOCB_TYPE:
qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
break;
case ABTS_RECV_24XX:
@@ -2458,6 +2510,7 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha,
case ABTS_RESP_24XX:
case CTIO_TYPE7:
case NOTIFY_ACK_TYPE:
+ case CTIO_CRC2:
qlt_response_pkt_all_vps(vha, (response_t *)pkt);
break;
case MARKER_TYPE:
@@ -2465,6 +2518,10 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha,
* from falling into default case
*/
break;
+ case ABORT_IOCB_TYPE:
+ qla24xx_abort_iocb_entry(vha, rsp->req,
+ (struct abort_entry_24xx *)pkt);
+ break;
default:
/* Type Not Supported. */
ql_dbg(ql_dbg_async, vha, 0x5042,
@@ -2493,7 +2550,8 @@ qla2xxx_check_risc_status(scsi_qla_host_t *vha)
struct qla_hw_data *ha = vha->hw;
struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
- if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha))
+ if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
+ !IS_QLA27XX(ha))
return;
rval = QLA_SUCCESS;
@@ -2575,6 +2633,8 @@ qla24xx_intr_handler(int irq, void *dev_id)
vha = pci_get_drvdata(ha->pdev);
for (iter = 50; iter--; ) {
stat = RD_REG_DWORD(&reg->host_status);
+ if (qla2x00_check_reg_for_disconnect(vha, stat))
+ break;
if (stat & HSRX_RISC_PAUSED) {
if (unlikely(pci_channel_offline(ha->pdev)))
break;
@@ -2644,6 +2704,7 @@ qla24xx_msix_rsp_q(int irq, void *dev_id)
struct device_reg_24xx __iomem *reg;
struct scsi_qla_host *vha;
unsigned long flags;
+ uint32_t stat = 0;
rsp = (struct rsp_que *) dev_id;
if (!rsp) {
@@ -2657,11 +2718,19 @@ qla24xx_msix_rsp_q(int irq, void *dev_id)
spin_lock_irqsave(&ha->hardware_lock, flags);
vha = pci_get_drvdata(ha->pdev);
+ /*
+ * Use host_status register to check to PCI disconnection before we
+ * we process the response queue.
+ */
+ stat = RD_REG_DWORD(&reg->host_status);
+ if (qla2x00_check_reg_for_disconnect(vha, stat))
+ goto out;
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);
}
+out:
spin_unlock_irqrestore(&ha->hardware_lock, flags);
return IRQ_HANDLED;
@@ -2671,9 +2740,11 @@ static irqreturn_t
qla25xx_msix_rsp_q(int irq, void *dev_id)
{
struct qla_hw_data *ha;
+ scsi_qla_host_t *vha;
struct rsp_que *rsp;
struct device_reg_24xx __iomem *reg;
unsigned long flags;
+ uint32_t hccr = 0;
rsp = (struct rsp_que *) dev_id;
if (!rsp) {
@@ -2682,17 +2753,21 @@ qla25xx_msix_rsp_q(int irq, void *dev_id)
return IRQ_NONE;
}
ha = rsp->hw;
+ vha = pci_get_drvdata(ha->pdev);
/* Clear the interrupt, if enabled, for this response queue */
if (!ha->flags.disable_msix_handshake) {
reg = &ha->iobase->isp24;
spin_lock_irqsave(&ha->hardware_lock, flags);
WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
- RD_REG_DWORD_RELAXED(&reg->hccr);
+ hccr = RD_REG_DWORD_RELAXED(&reg->hccr);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
+ if (qla2x00_check_reg_for_disconnect(vha, hccr))
+ goto out;
queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work);
+out:
return IRQ_HANDLED;
}
@@ -2723,6 +2798,8 @@ qla24xx_msix_default(int irq, void *dev_id)
vha = pci_get_drvdata(ha->pdev);
do {
stat = RD_REG_DWORD(&reg->host_status);
+ if (qla2x00_check_reg_for_disconnect(vha, stat))
+ break;
if (stat & HSRX_RISC_PAUSED) {
if (unlikely(pci_channel_offline(ha->pdev)))
break;
@@ -2829,6 +2906,7 @@ static int
qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
{
#define MIN_MSIX_COUNT 2
+#define ATIO_VECTOR 2
int i, ret;
struct msix_entry *entries;
struct qla_msix_entry *qentry;
@@ -2885,36 +2963,49 @@ msix_failed:
}
/* Enable MSI-X vectors for the base queue */
- for (i = 0; i < ha->msix_count; i++) {
+ for (i = 0; i < 2; i++) {
qentry = &ha->msix_entries[i];
- if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
- ret = request_irq(qentry->vector,
- qla83xx_msix_entries[i].handler,
- 0, qla83xx_msix_entries[i].name, rsp);
- } else if (IS_P3P_TYPE(ha)) {
+ if (IS_P3P_TYPE(ha))
ret = request_irq(qentry->vector,
qla82xx_msix_entries[i].handler,
0, qla82xx_msix_entries[i].name, rsp);
- } else {
+ else
ret = request_irq(qentry->vector,
msix_entries[i].handler,
0, msix_entries[i].name, rsp);
- }
- if (ret) {
- ql_log(ql_log_fatal, vha, 0x00cb,
- "MSI-X: unable to register handler -- %x/%d.\n",
- qentry->vector, ret);
- qla24xx_disable_msix(ha);
- ha->mqenable = 0;
- goto msix_out;
- }
+ if (ret)
+ goto msix_register_fail;
qentry->have_irq = 1;
qentry->rsp = rsp;
rsp->msix = qentry;
}
+ /*
+ * If target mode is enable, also request the vector for the ATIO
+ * queue.
+ */
+ if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
+ qentry = &ha->msix_entries[ATIO_VECTOR];
+ ret = request_irq(qentry->vector,
+ qla83xx_msix_entries[ATIO_VECTOR].handler,
+ 0, qla83xx_msix_entries[ATIO_VECTOR].name, rsp);
+ qentry->have_irq = 1;
+ qentry->rsp = rsp;
+ rsp->msix = qentry;
+ }
+
+msix_register_fail:
+ if (ret) {
+ ql_log(ql_log_fatal, vha, 0x00cb,
+ "MSI-X: unable to register handler -- %x/%d.\n",
+ qentry->vector, ret);
+ qla24xx_disable_msix(ha);
+ ha->mqenable = 0;
+ goto msix_out;
+ }
+
/* Enable MSI-X vector for response queue update for queue 0 */
- if (IS_QLA83XX(ha)) {
+ if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
if (ha->msixbase && ha->mqiobase &&
(ha->max_rsp_queues > 1 || ha->max_req_queues > 1))
ha->mqenable = 1;
@@ -2937,13 +3028,14 @@ msix_out:
int
qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
{
- int ret;
- device_reg_t __iomem *reg = ha->iobase;
+ int ret = QLA_FUNCTION_FAILED;
+ device_reg_t *reg = ha->iobase;
scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
/* If possible, enable MSI-X. */
if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
- !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha))
+ !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) &&
+ !IS_QLA27XX(ha))
goto skip_msi;
if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
@@ -2971,12 +3063,15 @@ qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
ha->chip_revision, ha->fw_attributes);
goto clear_risc_ints;
}
- ql_log(ql_log_info, vha, 0x0037,
- "MSI-X Falling back-to MSI mode -%d.\n", ret);
+
skip_msix:
+ ql_log(ql_log_info, vha, 0x0037,
+ "Falling back-to MSI mode -%d.\n", ret);
+
if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
- !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha))
+ !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
+ !IS_QLA27XX(ha))
goto skip_msi;
ret = pci_enable_msi(ha->pdev);
@@ -2986,14 +3081,13 @@ skip_msix:
ha->flags.msi_enabled = 1;
} else
ql_log(ql_log_warn, vha, 0x0039,
- "MSI-X; Falling back-to INTa mode -- %d.\n", ret);
+ "Falling back-to INTa mode -- %d.\n", ret);
+skip_msi:
/* Skip INTx on ISP82xx. */
if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
return QLA_FUNCTION_FAILED;
-skip_msi:
-
ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
ha->flags.msi_enabled ? 0 : IRQF_SHARED,
QLA2XXX_DRIVER_NAME, rsp);