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path: root/drivers/scsi/lpfc/lpfc_init.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_init.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c279
1 files changed, 245 insertions, 34 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index cd9697edf86..2786ee3b605 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -621,6 +621,7 @@ lpfc_config_port_post(struct lpfc_hba *phba)
/**
* lpfc_hba_init_link - Initialize the FC link
* @phba: pointer to lpfc hba data structure.
+ * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
*
* This routine will issue the INIT_LINK mailbox command call.
* It is available to other drivers through the lpfc_hba data
@@ -632,7 +633,7 @@ lpfc_config_port_post(struct lpfc_hba *phba)
* Any other value - error
**/
int
-lpfc_hba_init_link(struct lpfc_hba *phba)
+lpfc_hba_init_link(struct lpfc_hba *phba, uint32_t flag)
{
struct lpfc_vport *vport = phba->pport;
LPFC_MBOXQ_t *pmb;
@@ -651,7 +652,7 @@ lpfc_hba_init_link(struct lpfc_hba *phba)
phba->cfg_link_speed);
pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
lpfc_set_loopback_flag(phba);
- rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
+ rc = lpfc_sli_issue_mbox(phba, pmb, flag);
if (rc != MBX_SUCCESS) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"0498 Adapter failed to init, mbxCmd x%x "
@@ -664,17 +665,21 @@ lpfc_hba_init_link(struct lpfc_hba *phba)
writel(0xffffffff, phba->HAregaddr);
readl(phba->HAregaddr); /* flush */
phba->link_state = LPFC_HBA_ERROR;
- if (rc != MBX_BUSY)
+ if (rc != MBX_BUSY || flag == MBX_POLL)
mempool_free(pmb, phba->mbox_mem_pool);
return -EIO;
}
phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK;
+ if (flag == MBX_POLL)
+ mempool_free(pmb, phba->mbox_mem_pool);
return 0;
}
/**
* lpfc_hba_down_link - this routine downs the FC link
+ * @phba: pointer to lpfc hba data structure.
+ * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
*
* This routine will issue the DOWN_LINK mailbox command call.
* It is available to other drivers through the lpfc_hba data
@@ -685,7 +690,7 @@ lpfc_hba_init_link(struct lpfc_hba *phba)
* Any other value - error
**/
int
-lpfc_hba_down_link(struct lpfc_hba *phba)
+lpfc_hba_down_link(struct lpfc_hba *phba, uint32_t flag)
{
LPFC_MBOXQ_t *pmb;
int rc;
@@ -701,7 +706,7 @@ lpfc_hba_down_link(struct lpfc_hba *phba)
"0491 Adapter Link is disabled.\n");
lpfc_down_link(phba, pmb);
pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
- rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
+ rc = lpfc_sli_issue_mbox(phba, pmb, flag);
if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
lpfc_printf_log(phba,
KERN_ERR, LOG_INIT,
@@ -711,6 +716,9 @@ lpfc_hba_down_link(struct lpfc_hba *phba)
mempool_free(pmb, phba->mbox_mem_pool);
return -EIO;
}
+ if (flag == MBX_POLL)
+ mempool_free(pmb, phba->mbox_mem_pool);
+
return 0;
}
@@ -1818,6 +1826,10 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
m = (typeof(m)){"LPSe12002-ML1-E", "PCIe",
"EmulexSecure Fibre"};
break;
+ case PCI_DEVICE_ID_BALIUS:
+ m = (typeof(m)){"LPVe12002", "PCIe Shared I/O",
+ "Fibre Channel Adapter"};
+ break;
default:
m = (typeof(m)){"Unknown", "", ""};
break;
@@ -2279,10 +2291,32 @@ static void
lpfc_block_mgmt_io(struct lpfc_hba * phba)
{
unsigned long iflag;
+ uint8_t actcmd = MBX_HEARTBEAT;
+ unsigned long timeout;
+
spin_lock_irqsave(&phba->hbalock, iflag);
phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
+ if (phba->sli.mbox_active)
+ actcmd = phba->sli.mbox_active->u.mb.mbxCommand;
spin_unlock_irqrestore(&phba->hbalock, iflag);
+ /* Determine how long we might wait for the active mailbox
+ * command to be gracefully completed by firmware.
+ */
+ timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, actcmd) * 1000) +
+ jiffies;
+ /* Wait for the outstnading mailbox command to complete */
+ while (phba->sli.mbox_active) {
+ /* Check active mailbox complete status every 2ms */
+ msleep(2);
+ if (time_after(jiffies, timeout)) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+ "2813 Mgmt IO is Blocked %x "
+ "- mbox cmd %x still active\n",
+ phba->sli.sli_flag, actcmd);
+ break;
+ }
+ }
}
/**
@@ -3323,22 +3357,14 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
"evt_tag:x%x, fcf_index:x%x\n",
acqe_fcoe->event_tag,
acqe_fcoe->index);
+ /* If the FCF discovery is in progress, do nothing. */
spin_lock_irq(&phba->hbalock);
- if ((phba->fcf.fcf_flag & FCF_SCAN_DONE) ||
- (phba->hba_flag & FCF_DISC_INPROGRESS)) {
- /*
- * If the current FCF is in discovered state or
- * FCF discovery is in progress, do nothing.
- */
+ if (phba->hba_flag & FCF_DISC_INPROGRESS) {
spin_unlock_irq(&phba->hbalock);
break;
}
-
+ /* If fast FCF failover rescan event is pending, do nothing */
if (phba->fcf.fcf_flag & FCF_REDISC_EVT) {
- /*
- * If fast FCF failover rescan event is pending,
- * do nothing.
- */
spin_unlock_irq(&phba->hbalock);
break;
}
@@ -3359,7 +3385,13 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
acqe_fcoe->index);
rc = lpfc_sli4_read_fcf_rec(phba, acqe_fcoe->index);
}
-
+ /* If the FCF has been in discovered state, do nothing. */
+ spin_lock_irq(&phba->hbalock);
+ if (phba->fcf.fcf_flag & FCF_SCAN_DONE) {
+ spin_unlock_irq(&phba->hbalock);
+ break;
+ }
+ spin_unlock_irq(&phba->hbalock);
/* Otherwise, scan the entire FCF table and re-discover SAN */
lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
"2770 Start FCF table scan due to new FCF "
@@ -4885,6 +4917,7 @@ lpfc_create_shost(struct lpfc_hba *phba)
phba->fc_altov = FF_DEF_ALTOV;
phba->fc_arbtov = FF_DEF_ARBTOV;
+ atomic_set(&phba->sdev_cnt, 0);
vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
if (!vport)
return -ENODEV;
@@ -5533,9 +5566,12 @@ lpfc_sli4_read_config(struct lpfc_hba *phba)
mempool_free(pmb, phba->mbox_mem_pool);
/* Reset the DFT_HBA_Q_DEPTH to the max xri */
- if (phba->cfg_hba_queue_depth > (phba->sli4_hba.max_cfg_param.max_xri))
+ if (phba->cfg_hba_queue_depth >
+ (phba->sli4_hba.max_cfg_param.max_xri -
+ lpfc_sli4_get_els_iocb_cnt(phba)))
phba->cfg_hba_queue_depth =
- phba->sli4_hba.max_cfg_param.max_xri;
+ phba->sli4_hba.max_cfg_param.max_xri -
+ lpfc_sli4_get_els_iocb_cnt(phba);
return rc;
}
@@ -6993,22 +7029,28 @@ lpfc_sli_disable_intr(struct lpfc_hba *phba)
static int
lpfc_sli4_enable_msix(struct lpfc_hba *phba)
{
- int rc, index;
+ int vectors, rc, index;
/* Set up MSI-X multi-message vectors */
for (index = 0; index < phba->sli4_hba.cfg_eqn; index++)
phba->sli4_hba.msix_entries[index].entry = index;
/* Configure MSI-X capability structure */
+ vectors = phba->sli4_hba.cfg_eqn;
+enable_msix_vectors:
rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries,
- phba->sli4_hba.cfg_eqn);
- if (rc) {
+ vectors);
+ if (rc > 1) {
+ vectors = rc;
+ goto enable_msix_vectors;
+ } else if (rc) {
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
"0484 PCI enable MSI-X failed (%d)\n", rc);
goto msi_fail_out;
}
+
/* Log MSI-X vector assignment */
- for (index = 0; index < phba->sli4_hba.cfg_eqn; index++)
+ for (index = 0; index < vectors; index++)
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
"0489 MSI-X entry[%d]: vector=x%x "
"message=%d\n", index,
@@ -7030,7 +7072,7 @@ lpfc_sli4_enable_msix(struct lpfc_hba *phba)
}
/* The rest of the vector(s) are associated to fast-path handler(s) */
- for (index = 1; index < phba->sli4_hba.cfg_eqn; index++) {
+ for (index = 1; index < vectors; index++) {
phba->sli4_hba.fcp_eq_hdl[index - 1].idx = index - 1;
phba->sli4_hba.fcp_eq_hdl[index - 1].phba = phba;
rc = request_irq(phba->sli4_hba.msix_entries[index].vector,
@@ -7044,6 +7086,7 @@ lpfc_sli4_enable_msix(struct lpfc_hba *phba)
goto cfg_fail_out;
}
}
+ phba->sli4_hba.msix_vec_nr = vectors;
return rc;
@@ -7077,9 +7120,10 @@ lpfc_sli4_disable_msix(struct lpfc_hba *phba)
/* Free up MSI-X multi-message vectors */
free_irq(phba->sli4_hba.msix_entries[0].vector, phba);
- for (index = 1; index < phba->sli4_hba.cfg_eqn; index++)
+ for (index = 1; index < phba->sli4_hba.msix_vec_nr; index++)
free_irq(phba->sli4_hba.msix_entries[index].vector,
&phba->sli4_hba.fcp_eq_hdl[index - 1]);
+
/* Disable MSI-X */
pci_disable_msix(phba->pcidev);
@@ -7121,6 +7165,7 @@ lpfc_sli4_enable_msi(struct lpfc_hba *phba)
pci_disable_msi(phba->pcidev);
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
"0490 MSI request_irq failed (%d)\n", rc);
+ return rc;
}
for (index = 0; index < phba->cfg_fcp_eq_count; index++) {
@@ -7128,7 +7173,7 @@ lpfc_sli4_enable_msi(struct lpfc_hba *phba)
phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
}
- return rc;
+ return 0;
}
/**
@@ -7839,6 +7884,9 @@ lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba)
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"2710 PCI channel disable preparing for reset\n");
+ /* Block any management I/Os to the device */
+ lpfc_block_mgmt_io(phba);
+
/* Block all SCSI devices' I/Os on the host */
lpfc_scsi_dev_block(phba);
@@ -7848,6 +7896,7 @@ lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba)
/* Disable interrupt and pci device */
lpfc_sli_disable_intr(phba);
pci_disable_device(phba->pcidev);
+
/* Flush all driver's outstanding SCSI I/Os as we are to reset */
lpfc_sli_flush_fcp_rings(phba);
}
@@ -7861,7 +7910,7 @@ lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba)
* pending I/Os.
**/
static void
-lpfc_prep_dev_for_perm_failure(struct lpfc_hba *phba)
+lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba)
{
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"2711 PCI channel permanent disable for failure\n");
@@ -7910,7 +7959,7 @@ lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state)
return PCI_ERS_RESULT_NEED_RESET;
case pci_channel_io_perm_failure:
/* Permanent failure, prepare for device down */
- lpfc_prep_dev_for_perm_failure(phba);
+ lpfc_sli_prep_dev_for_perm_failure(phba);
return PCI_ERS_RESULT_DISCONNECT;
default:
/* Unknown state, prepare and request slot reset */
@@ -7979,7 +8028,8 @@ lpfc_io_slot_reset_s3(struct pci_dev *pdev)
} else
phba->intr_mode = intr_mode;
- /* Take device offline; this will perform cleanup */
+ /* Take device offline, it will perform cleanup */
+ lpfc_offline_prep(phba);
lpfc_offline(phba);
lpfc_sli_brdrestart(phba);
@@ -8110,8 +8160,12 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
}
/* Initialize and populate the iocb list per host */
- error = lpfc_init_iocb_list(phba,
- phba->sli4_hba.max_cfg_param.max_xri);
+
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+ "2821 initialize iocb list %d.\n",
+ phba->cfg_iocb_cnt*1024);
+ error = lpfc_init_iocb_list(phba, phba->cfg_iocb_cnt*1024);
+
if (error) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"1413 Failed to initialize iocb list.\n");
@@ -8160,6 +8214,8 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
/* Default to single FCP EQ for non-MSI-X */
if (phba->intr_type != MSIX)
phba->cfg_fcp_eq_count = 1;
+ else if (phba->sli4_hba.msix_vec_nr < phba->cfg_fcp_eq_count)
+ phba->cfg_fcp_eq_count = phba->sli4_hba.msix_vec_nr - 1;
/* Set up SLI-4 HBA */
if (lpfc_sli4_hba_setup(phba)) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
@@ -8321,7 +8377,7 @@ lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg)
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
- "0298 PCI device Power Management suspend.\n");
+ "2843 PCI device Power Management suspend.\n");
/* Bring down the device */
lpfc_offline_prep(phba);
@@ -8412,6 +8468,84 @@ lpfc_pci_resume_one_s4(struct pci_dev *pdev)
}
/**
+ * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is called to prepare the SLI4 device for PCI slot recover. It
+ * aborts all the outstanding SCSI I/Os to the pci device.
+ **/
+static void
+lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba)
+{
+ struct lpfc_sli *psli = &phba->sli;
+ struct lpfc_sli_ring *pring;
+
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "2828 PCI channel I/O abort preparing for recovery\n");
+ /*
+ * There may be errored I/Os through HBA, abort all I/Os on txcmplq
+ * and let the SCSI mid-layer to retry them to recover.
+ */
+ pring = &psli->ring[psli->fcp_ring];
+ lpfc_sli_abort_iocb_ring(phba, pring);
+}
+
+/**
+ * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is called to prepare the SLI4 device for PCI slot reset. It
+ * disables the device interrupt and pci device, and aborts the internal FCP
+ * pending I/Os.
+ **/
+static void
+lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba)
+{
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "2826 PCI channel disable preparing for reset\n");
+
+ /* Block any management I/Os to the device */
+ lpfc_block_mgmt_io(phba);
+
+ /* Block all SCSI devices' I/Os on the host */
+ lpfc_scsi_dev_block(phba);
+
+ /* stop all timers */
+ lpfc_stop_hba_timers(phba);
+
+ /* Disable interrupt and pci device */
+ lpfc_sli4_disable_intr(phba);
+ pci_disable_device(phba->pcidev);
+
+ /* Flush all driver's outstanding SCSI I/Os as we are to reset */
+ lpfc_sli_flush_fcp_rings(phba);
+}
+
+/**
+ * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is called to prepare the SLI4 device for PCI slot permanently
+ * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
+ * pending I/Os.
+ **/
+static void
+lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba)
+{
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "2827 PCI channel permanent disable for failure\n");
+
+ /* Block all SCSI devices' I/Os on the host */
+ lpfc_scsi_dev_block(phba);
+
+ /* stop all timers */
+ lpfc_stop_hba_timers(phba);
+
+ /* Clean up all driver's outstanding SCSI I/Os */
+ lpfc_sli_flush_fcp_rings(phba);
+}
+
+/**
* lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
* @pdev: pointer to PCI device.
* @state: the current PCI connection state.
@@ -8430,7 +8564,29 @@ lpfc_pci_resume_one_s4(struct pci_dev *pdev)
static pci_ers_result_t
lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state)
{
- return PCI_ERS_RESULT_NEED_RESET;
+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
+ struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+
+ switch (state) {
+ case pci_channel_io_normal:
+ /* Non-fatal error, prepare for recovery */
+ lpfc_sli4_prep_dev_for_recover(phba);
+ return PCI_ERS_RESULT_CAN_RECOVER;
+ case pci_channel_io_frozen:
+ /* Fatal error, prepare for slot reset */
+ lpfc_sli4_prep_dev_for_reset(phba);
+ return PCI_ERS_RESULT_NEED_RESET;
+ case pci_channel_io_perm_failure:
+ /* Permanent failure, prepare for device down */
+ lpfc_sli4_prep_dev_for_perm_failure(phba);
+ return PCI_ERS_RESULT_DISCONNECT;
+ default:
+ /* Unknown state, prepare and request slot reset */
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "2825 Unknown PCI error state: x%x\n", state);
+ lpfc_sli4_prep_dev_for_reset(phba);
+ return PCI_ERS_RESULT_NEED_RESET;
+ }
}
/**
@@ -8454,6 +8610,39 @@ lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state)
static pci_ers_result_t
lpfc_io_slot_reset_s4(struct pci_dev *pdev)
{
+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
+ struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+ struct lpfc_sli *psli = &phba->sli;
+ uint32_t intr_mode;
+
+ dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
+ if (pci_enable_device_mem(pdev)) {
+ printk(KERN_ERR "lpfc: Cannot re-enable "
+ "PCI device after reset.\n");
+ return PCI_ERS_RESULT_DISCONNECT;
+ }
+
+ pci_restore_state(pdev);
+ if (pdev->is_busmaster)
+ pci_set_master(pdev);
+
+ spin_lock_irq(&phba->hbalock);
+ psli->sli_flag &= ~LPFC_SLI_ACTIVE;
+ spin_unlock_irq(&phba->hbalock);
+
+ /* Configure and enable interrupt */
+ intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
+ if (intr_mode == LPFC_INTR_ERROR) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "2824 Cannot re-enable interrupt after "
+ "slot reset.\n");
+ return PCI_ERS_RESULT_DISCONNECT;
+ } else
+ phba->intr_mode = intr_mode;
+
+ /* Log the current active interrupt mode */
+ lpfc_log_intr_mode(phba, phba->intr_mode);
+
return PCI_ERS_RESULT_RECOVERED;
}
@@ -8470,7 +8659,27 @@ lpfc_io_slot_reset_s4(struct pci_dev *pdev)
static void
lpfc_io_resume_s4(struct pci_dev *pdev)
{
- return;
+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
+ struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+
+ /*
+ * In case of slot reset, as function reset is performed through
+ * mailbox command which needs DMA to be enabled, this operation
+ * has to be moved to the io resume phase. Taking device offline
+ * will perform the necessary cleanup.
+ */
+ if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) {
+ /* Perform device reset */
+ lpfc_offline_prep(phba);
+ lpfc_offline(phba);
+ lpfc_sli_brdrestart(phba);
+ /* Bring the device back online */
+ lpfc_online(phba);
+ }
+
+ /* Clean up Advanced Error Reporting (AER) if needed */
+ if (phba->hba_flag & HBA_AER_ENABLED)
+ pci_cleanup_aer_uncorrect_error_status(pdev);
}
/**
@@ -8802,6 +9011,8 @@ static struct pci_device_id lpfc_id_table[] = {
PCI_ANY_ID, PCI_ANY_ID, },
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FALCON,
PCI_ANY_ID, PCI_ANY_ID, },
+ {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BALIUS,
+ PCI_ANY_ID, PCI_ANY_ID, },
{ 0 }
};
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-04 17:28:37 +0000