[SCSI] qla2xxx: Add ISP25XX support.
[deliverable/linux.git] / drivers / scsi / qla2xxx / qla_isr.c
index d4885616cd39c19077e72b2f083f563ec5cb2ad9..b8f226ae26334290eb9698bd3524eae2eba683a4 100644 (file)
@@ -9,7 +9,6 @@
 #include <scsi/scsi_tcq.h>
 
 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
-static void qla2x00_async_event(scsi_qla_host_t *, uint16_t *);
 static void qla2x00_process_completed_request(struct scsi_qla_host *, uint32_t);
 static void qla2x00_status_entry(scsi_qla_host_t *, void *);
 static void qla2x00_status_cont_entry(scsi_qla_host_t *, sts_cont_entry_t *);
@@ -144,7 +143,7 @@ qla2300_intr_handler(int irq, void *dev_id)
                        WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
                        RD_REG_WORD(&reg->hccr);
 
-                       ha->isp_ops.fw_dump(ha, 1);
+                       ha->isp_ops->fw_dump(ha, 1);
                        set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
                        break;
                } else if ((stat & HSR_RISC_INT) == 0)
@@ -244,11 +243,11 @@ qla2x00_mbx_completion(scsi_qla_host_t *ha, uint16_t mb0)
  * @ha: SCSI driver HA context
  * @mb: Mailbox registers (0 - 3)
  */
-static void
+void
 qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 {
 #define LS_UNKNOWN     2
-       static char     *link_speeds[5] = { "1", "2", "?", "4", "10" };
+       static char     *link_speeds[5] = { "1", "2", "?", "4", "8" };
        char            *link_speed;
        uint16_t        handle_cnt;
        uint16_t        cnt;
@@ -335,9 +334,9 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
                    "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n",
                    mb[1], mb[2], mb[3]);
 
-               ha->isp_ops.fw_dump(ha, 1);
+               ha->isp_ops->fw_dump(ha, 1);
 
-               if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
+               if (IS_FWI2_CAPABLE(ha)) {
                        if (mb[1] == 0 && mb[2] == 0) {
                                qla_printk(KERN_ERR, ha,
                                    "Unrecoverable Hardware Error: adapter "
@@ -386,6 +385,11 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
                        qla2x00_mark_all_devices_lost(ha, 1);
                }
 
+               if (ha->parent) {
+                       atomic_set(&ha->vp_state, VP_FAILED);
+                       fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED);
+               }
+
                set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
 
                ha->flags.management_server_logged_in = 0;
@@ -422,6 +426,11 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
                        qla2x00_mark_all_devices_lost(ha, 1);
                }
 
+               if (ha->parent) {
+                       atomic_set(&ha->vp_state, VP_FAILED);
+                       fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED);
+               }
+
                ha->flags.management_server_logged_in = 0;
                ha->link_data_rate = PORT_SPEED_UNKNOWN;
                if (ql2xfdmienable)
@@ -440,6 +449,11 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
                        qla2x00_mark_all_devices_lost(ha, 1);
                }
 
+               if (ha->parent) {
+                       atomic_set(&ha->vp_state, VP_FAILED);
+                       fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED);
+               }
+
                set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
 
                ha->operating_mode = LOOP;
@@ -465,6 +479,11 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
                        qla2x00_mark_all_devices_lost(ha, 1);
                }
 
+               if (ha->parent) {
+                       atomic_set(&ha->vp_state, VP_FAILED);
+                       fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED);
+               }
+
                if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
                        set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
                }
@@ -491,6 +510,11 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
                        qla2x00_mark_all_devices_lost(ha, 1);
                }
 
+               if (ha->parent) {
+                       atomic_set(&ha->vp_state, VP_FAILED);
+                       fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED);
+               }
+
                set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
                set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
                break;
@@ -530,6 +554,10 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
                break;
 
        case MBA_RSCN_UPDATE:           /* State Change Registration */
+               /* Check if the Vport has issued a SCR */
+               if (ha->parent && test_bit(VP_SCR_NEEDED, &ha->vp_flags))
+                       break;
+
                DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n",
                    ha->host_no));
                DEBUG(printk(KERN_INFO
@@ -573,7 +601,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
                    "scsi(%ld): [R|Z]IO update completion.\n",
                    ha->host_no));
 
-               if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
+               if (IS_FWI2_CAPABLE(ha))
                        qla24xx_process_response_queue(ha);
                else
                        qla2x00_process_response_queue(ha);
@@ -589,6 +617,9 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
                ha->host_no, mb[1], mb[2]));
                break;
        }
+
+       if (!ha->parent && ha->num_vhosts)
+               qla2x00_alert_all_vps(ha, mb);
 }
 
 static void
@@ -792,7 +823,7 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
 
        sts = (sts_entry_t *) pkt;
        sts24 = (struct sts_entry_24xx *) pkt;
-       if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
+       if (IS_FWI2_CAPABLE(ha)) {
                comp_status = le16_to_cpu(sts24->comp_status);
                scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
        } else {
@@ -841,7 +872,7 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
        fcport = sp->fcport;
 
        sense_len = rsp_info_len = resid_len = fw_resid_len = 0;
-       if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
+       if (IS_FWI2_CAPABLE(ha)) {
                sense_len = le32_to_cpu(sts24->sense_len);
                rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
                resid_len = le32_to_cpu(sts24->rsp_residual_count);
@@ -860,7 +891,7 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
        /* Check for any FCP transport errors. */
        if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
                /* Sense data lies beyond any FCP RESPONSE data. */
-               if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
+               if (IS_FWI2_CAPABLE(ha))
                        sense_data += rsp_info_len;
                if (rsp_info_len > 3 && rsp_info[3]) {
                        DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol "
@@ -889,19 +920,19 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
                }
                if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
                        resid = resid_len;
-                       cp->resid = resid;
+                       scsi_set_resid(cp, resid);
                        CMD_RESID_LEN(cp) = resid;
 
                        if (!lscsi_status &&
-                           ((unsigned)(cp->request_bufflen - resid) <
+                           ((unsigned)(scsi_bufflen(cp) - resid) <
                             cp->underflow)) {
                                qla_printk(KERN_INFO, ha,
-                                   "scsi(%ld:%d:%d:%d): Mid-layer underflow "
-                                   "detected (%x of %x bytes)...returning "
-                                   "error status.\n", ha->host_no,
-                                   cp->device->channel, cp->device->id,
-                                   cp->device->lun, resid,
-                                   cp->request_bufflen);
+                                          "scsi(%ld:%d:%d:%d): Mid-layer underflow "
+                                          "detected (%x of %x bytes)...returning "
+                                          "error status.\n", ha->host_no,
+                                          cp->device->channel, cp->device->id,
+                                          cp->device->lun, resid,
+                                          scsi_bufflen(cp));
 
                                cp->result = DID_ERROR << 16;
                                break;
@@ -959,11 +990,11 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
        case CS_DATA_UNDERRUN:
                resid = resid_len;
                /* Use F/W calculated residual length. */
-               if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
+               if (IS_FWI2_CAPABLE(ha))
                        resid = fw_resid_len;
 
                if (scsi_status & SS_RESIDUAL_UNDER) {
-                       cp->resid = resid;
+                       scsi_set_resid(cp, resid);
                        CMD_RESID_LEN(cp) = resid;
                } else {
                        DEBUG2(printk(KERN_INFO
@@ -1031,6 +1062,25 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
                            cp->device->id, cp->device->lun, cp,
                            cp->serial_number));
 
+                       /*
+                        * In case of a Underrun condition, set both the lscsi
+                        * status and the completion status to appropriate
+                        * values.
+                        */
+                       if (resid &&
+                           ((unsigned)(cp->request_bufflen - resid) <
+                            cp->underflow)) {
+                               DEBUG2(qla_printk(KERN_INFO, ha,
+                                   "scsi(%ld:%d:%d:%d): Mid-layer underflow "
+                                   "detected (%x of %x bytes)...returning "
+                                   "error status.\n", ha->host_no,
+                                   cp->device->channel, cp->device->id,
+                                   cp->device->lun, resid,
+                                   cp->request_bufflen));
+
+                               cp->result = DID_ERROR << 16 | lscsi_status;
+                       }
+
                        if (sense_len)
                                DEBUG5(qla2x00_dump_buffer(cp->sense_buffer,
                                    CMD_ACTUAL_SNSLEN(cp)));
@@ -1042,26 +1092,26 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
                         */
                        if (!(scsi_status & SS_RESIDUAL_UNDER)) {
                                DEBUG2(printk("scsi(%ld:%d:%d:%d) Dropped "
-                                   "frame(s) detected (%x of %x bytes)..."
-                                   "retrying command.\n", ha->host_no,
-                                   cp->device->channel, cp->device->id,
-                                   cp->device->lun, resid,
-                                   cp->request_bufflen));
+                                             "frame(s) detected (%x of %x bytes)..."
+                                             "retrying command.\n", ha->host_no,
+                                             cp->device->channel, cp->device->id,
+                                             cp->device->lun, resid,
+                                             scsi_bufflen(cp)));
 
                                cp->result = DID_BUS_BUSY << 16;
                                break;
                        }
 
                        /* Handle mid-layer underflow */
-                       if ((unsigned)(cp->request_bufflen - resid) <
+                       if ((unsigned)(scsi_bufflen(cp) - resid) <
                            cp->underflow) {
                                qla_printk(KERN_INFO, ha,
-                                   "scsi(%ld:%d:%d:%d): Mid-layer underflow "
-                                   "detected (%x of %x bytes)...returning "
-                                   "error status.\n", ha->host_no,
-                                   cp->device->channel, cp->device->id,
-                                   cp->device->lun, resid,
-                                   cp->request_bufflen);
+                                          "scsi(%ld:%d:%d:%d): Mid-layer underflow "
+                                          "detected (%x of %x bytes)...returning "
+                                          "error status.\n", ha->host_no,
+                                          cp->device->channel, cp->device->id,
+                                          cp->device->lun, resid,
+                                          scsi_bufflen(cp));
 
                                cp->result = DID_ERROR << 16;
                                break;
@@ -1084,7 +1134,7 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
                DEBUG2(printk(KERN_INFO
                    "PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR "
                    "status!\n",
-                   cp->serial_number, cp->request_bufflen, resid_len));
+                   cp->serial_number, scsi_bufflen(cp), resid_len));
 
                cp->result = DID_ERROR << 16;
                break;
@@ -1135,7 +1185,7 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
        case CS_TIMEOUT:
                cp->result = DID_BUS_BUSY << 16;
 
-               if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
+               if (IS_FWI2_CAPABLE(ha)) {
                        DEBUG2(printk(KERN_INFO
                            "scsi(%ld:%d:%d:%d): TIMEOUT status detected "
                            "0x%x-0x%x\n", ha->host_no, cp->device->channel,
@@ -1204,7 +1254,7 @@ qla2x00_status_cont_entry(scsi_qla_host_t *ha, sts_cont_entry_t *pkt)
                }
 
                /* Move sense data. */
-               if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
+               if (IS_FWI2_CAPABLE(ha))
                        host_to_fcp_swap(pkt->data, sizeof(pkt->data));
                memcpy(sp->request_sense_ptr, pkt->data, sense_sz);
                DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz));
@@ -1393,6 +1443,10 @@ qla24xx_process_response_queue(struct scsi_qla_host *ha)
                case MS_IOCB_TYPE:
                        qla24xx_ms_entry(ha, (struct ct_entry_24xx *)pkt);
                        break;
+               case VP_RPT_ID_IOCB_TYPE:
+                       qla24xx_report_id_acquisition(ha,
+                           (struct vp_rpt_id_entry_24xx *)pkt);
+                       break;
                default:
                        /* Type Not Supported. */
                        DEBUG4(printk(KERN_WARNING
@@ -1448,7 +1502,7 @@ qla24xx_intr_handler(int irq, void *dev_id)
 
                        qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, "
                            "Dumping firmware!\n", hccr);
-                       ha->isp_ops.fw_dump(ha, 1);
+                       ha->isp_ops->fw_dump(ha, 1);
                        set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
                        break;
                } else if ((stat & HSRX_RISC_INT) == 0)
@@ -1582,7 +1636,7 @@ qla24xx_msix_default(int irq, void *dev_id)
 
                        qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, "
                            "Dumping firmware!\n", hccr);
-                       ha->isp_ops.fw_dump(ha, 1);
+                       ha->isp_ops->fw_dump(ha, 1);
                        set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
                        break;
                } else if ((stat & HSRX_RISC_INT) == 0)
@@ -1633,7 +1687,7 @@ struct qla_init_msix_entry {
        uint16_t entry;
        uint16_t index;
        const char *name;
-       irqreturn_t (*handler)(int, void *);
+       irq_handler_t handler;
 };
 
 static struct qla_init_msix_entry imsix_entries[QLA_MSIX_ENTRIES] = {
@@ -1704,11 +1758,11 @@ qla2x00_request_irqs(scsi_qla_host_t *ha)
        int ret;
 
        /* If possible, enable MSI-X. */
-       if (!IS_QLA2432(ha))
+       if (!IS_QLA2432(ha) && !IS_QLA2532(ha))
                goto skip_msix;
 
-        if (ha->chip_revision < QLA_MSIX_CHIP_REV_24XX ||
-           !QLA_MSIX_FW_MODE_1(ha->fw_attributes)) {
+        if (IS_QLA2432(ha) && (ha->chip_revision < QLA_MSIX_CHIP_REV_24XX ||
+           !QLA_MSIX_FW_MODE_1(ha->fw_attributes))) {
                DEBUG2(qla_printk(KERN_WARNING, ha,
                    "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n",
                    ha->chip_revision, ha->fw_attributes));
@@ -1726,7 +1780,18 @@ qla2x00_request_irqs(scsi_qla_host_t *ha)
        qla_printk(KERN_WARNING, ha,
            "MSI-X: Falling back-to INTa mode -- %d.\n", ret);
 skip_msix:
-       ret = request_irq(ha->pdev->irq, ha->isp_ops.intr_handler,
+
+       if (!IS_QLA24XX(ha) && !IS_QLA2532(ha))
+               goto skip_msi;
+
+       ret = pci_enable_msi(ha->pdev);
+       if (!ret) {
+               DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n"));
+               ha->flags.msi_enabled = 1;
+       }
+skip_msi:
+
+       ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
            IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, ha);
        if (!ret) {
                ha->flags.inta_enabled = 1;
@@ -1746,6 +1811,8 @@ qla2x00_free_irqs(scsi_qla_host_t *ha)
 
        if (ha->flags.msix_enabled)
                qla24xx_disable_msix(ha);
-       else if (ha->flags.inta_enabled)
+       else if (ha->flags.inta_enabled) {
                free_irq(ha->host->irq, ha);
+               pci_disable_msi(ha->pdev);
+       }
 }
This page took 0.032376 seconds and 5 git commands to generate.