if (phba->sli_rev != 3)
lpfc_post_rcv_buf(phba);
+ /*
+ * Configure HBA MSI-X attention conditions to messages if MSI-X mode
+ */
+ if (phba->intr_type == MSIX) {
+ rc = lpfc_config_msi(phba, pmb);
+ if (rc) {
+ mempool_free(pmb, phba->mbox_mem_pool);
+ return -EIO;
+ }
+ rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
+ if (rc != MBX_SUCCESS) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+ "0352 Config MSI mailbox command "
+ "failed, mbxCmd x%x, mbxStatus x%x\n",
+ pmb->mb.mbxCommand, pmb->mb.mbxStatus);
+ mempool_free(pmb, phba->mbox_mem_pool);
+ return -EIO;
+ }
+ }
+
+ /* Initialize ERATT handling flag */
+ phba->hba_flag &= ~HBA_ERATT_HANDLED;
+
/* Enable appropriate host interrupts */
spin_lock_irq(&phba->hbalock);
status = readl(phba->HCregaddr);
if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
(phba->cfg_poll & DISABLE_FCP_RING_INT))
- status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
+ status &= ~(HC_R0INT_ENA);
writel(status, phba->HCregaddr);
readl(phba->HCregaddr); /* flush */
spin_unlock_irq(&phba->hbalock);
- /*
- * Setup the ring 0 (els) timeout handler
- */
- timeout = phba->fc_ratov << 1;
+ /* Set up ring-0 (ELS) timer */
+ timeout = phba->fc_ratov * 2;
mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
+ /* Set up heart beat (HB) timer */
mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
phba->hb_outstanding = 0;
phba->last_completion_time = jiffies;
+ /* Set up error attention (ERATT) polling timer */
+ mod_timer(&phba->eratt_poll, jiffies + HZ * LPFC_ERATT_POLL_INTERVAL);
lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
unsigned long iflag;
phba = (struct lpfc_hba *)ptr;
+
+ /* Check for heart beat timeout conditions */
spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO;
if (!tmo_posted)
phba->pport->work_port_events |= WORKER_HB_TMO;
spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
+ /* Tell the worker thread there is work to do */
if (!tmo_posted)
lpfc_worker_wake_up(phba);
return;
phba->hb_outstanding = 0;
spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
+ /* Check and reset heart-beat timer is necessary */
mempool_free(pmboxq, phba->mbox_mem_pool);
if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
!(phba->link_state == LPFC_HBA_ERROR) &&
} else {
/* The if clause above forces this code path when the status
- * failure is a value other than FFER6. Do not call the offline
- * twice. This is the adapter hardware error path.
+ * failure is a value other than FFER6. Do not call the offline
+ * twice. This is the adapter hardware error path.
*/
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"0457 Adapter Hardware Error "
lpfc_offline_eratt(phba);
}
+ return;
}
/**
del_timer_sync(&phba->fabric_block_timer);
phba->hb_outstanding = 0;
del_timer_sync(&phba->hb_tmofunc);
+ del_timer_sync(&phba->eratt_poll);
return;
}
static int
lpfc_enable_msix(struct lpfc_hba *phba)
{
- int error;
+ int rc, i;
+ LPFC_MBOXQ_t *pmb;
- phba->msix_entries[0].entry = 0;
- phba->msix_entries[0].vector = 0;
+ /* Set up MSI-X multi-message vectors */
+ for (i = 0; i < LPFC_MSIX_VECTORS; i++)
+ phba->msix_entries[i].entry = i;
- error = pci_enable_msix(phba->pcidev, phba->msix_entries,
+ /* Configure MSI-X capability structure */
+ rc = pci_enable_msix(phba->pcidev, phba->msix_entries,
ARRAY_SIZE(phba->msix_entries));
- if (error) {
+ if (rc) {
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
"0420 Enable MSI-X failed (%d), continuing "
- "with MSI\n", error);
- pci_disable_msix(phba->pcidev);
- return error;
+ "with MSI\n", rc);
+ goto msi_fail_out;
+ } else
+ for (i = 0; i < LPFC_MSIX_VECTORS; i++)
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+ "0477 MSI-X entry[%d]: vector=x%x "
+ "message=%d\n", i,
+ phba->msix_entries[i].vector,
+ phba->msix_entries[i].entry);
+ /*
+ * Assign MSI-X vectors to interrupt handlers
+ */
+
+ /* vector-0 is associated to slow-path handler */
+ rc = request_irq(phba->msix_entries[0].vector, &lpfc_sp_intr_handler,
+ IRQF_SHARED, LPFC_SP_DRIVER_HANDLER_NAME, phba);
+ if (rc) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "0421 MSI-X slow-path request_irq failed "
+ "(%d), continuing with MSI\n", rc);
+ goto msi_fail_out;
}
- error = request_irq(phba->msix_entries[0].vector, lpfc_intr_handler, 0,
- LPFC_DRIVER_NAME, phba);
- if (error) {
+ /* vector-1 is associated to fast-path handler */
+ rc = request_irq(phba->msix_entries[1].vector, &lpfc_fp_intr_handler,
+ IRQF_SHARED, LPFC_FP_DRIVER_HANDLER_NAME, phba);
+
+ if (rc) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
- "0421 MSI-X request_irq failed (%d), "
- "continuing with MSI\n", error);
- pci_disable_msix(phba->pcidev);
+ "0429 MSI-X fast-path request_irq failed "
+ "(%d), continuing with MSI\n", rc);
+ goto irq_fail_out;
}
- return error;
+
+ /*
+ * Configure HBA MSI-X attention conditions to messages
+ */
+ pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+
+ if (!pmb) {
+ rc = -ENOMEM;
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "0474 Unable to allocate memory for issuing "
+ "MBOX_CONFIG_MSI command\n");
+ goto mem_fail_out;
+ }
+ rc = lpfc_config_msi(phba, pmb);
+ if (rc)
+ goto mbx_fail_out;
+ rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
+ if (rc != MBX_SUCCESS) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+ "0351 Config MSI mailbox command failed, "
+ "mbxCmd x%x, mbxStatus x%x\n",
+ pmb->mb.mbxCommand, pmb->mb.mbxStatus);
+ goto mbx_fail_out;
+ }
+
+ /* Free memory allocated for mailbox command */
+ mempool_free(pmb, phba->mbox_mem_pool);
+ return rc;
+
+mbx_fail_out:
+ /* Free memory allocated for mailbox command */
+ mempool_free(pmb, phba->mbox_mem_pool);
+
+mem_fail_out:
+ /* free the irq already requested */
+ free_irq(phba->msix_entries[1].vector, phba);
+
+irq_fail_out:
+ /* free the irq already requested */
+ free_irq(phba->msix_entries[0].vector, phba);
+
+msi_fail_out:
+ /* Unconfigure MSI-X capability structure */
+ pci_disable_msix(phba->pcidev);
+ return rc;
}
/**
static void
lpfc_disable_msix(struct lpfc_hba *phba)
{
- free_irq(phba->msix_entries[0].vector, phba);
+ int i;
+
+ /* Free up MSI-X multi-message vectors */
+ for (i = 0; i < LPFC_MSIX_VECTORS; i++)
+ free_irq(phba->msix_entries[i].vector, phba);
+ /* Disable MSI-X */
pci_disable_msix(phba->pcidev);
}
init_timer(&phba->fabric_block_timer);
phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
phba->fabric_block_timer.data = (unsigned long) phba;
+ init_timer(&phba->eratt_poll);
+ phba->eratt_poll.function = lpfc_poll_eratt;
+ phba->eratt_poll.data = (unsigned long) phba;
pci_set_master(pdev);
pci_try_set_mwi(pdev);
bar2map_len = pci_resource_len(phba->pcidev, 2);
/* Map HBA SLIM to a kernel virtual address. */
- phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
+ phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
if (!phba->slim_memmap_p) {
error = -ENODEV;
dev_printk(KERN_ERR, &pdev->dev,
phba->fc_arbtov = FF_DEF_ARBTOV;
INIT_LIST_HEAD(&phba->work_list);
- phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
+ phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT);
phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
/* Initialize the wait queue head for the kernel thread */
pci_set_drvdata(pdev, shost);
phba->intr_type = NONE;
+ phba->MBslimaddr = phba->slim_memmap_p;
+ phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
+ phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
+ phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
+ phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
+
+ /* Configure and enable interrupt */
if (phba->cfg_use_msi == 2) {
- error = lpfc_enable_msix(phba);
- if (!error)
- phba->intr_type = MSIX;
+ /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
+ error = lpfc_sli_config_port(phba, 3);
+ if (error)
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+ "0427 Firmware not capable of SLI 3 mode.\n");
+ else {
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+ "0426 Firmware capable of SLI 3 mode.\n");
+ /* Now, try to enable MSI-X interrupt mode */
+ error = lpfc_enable_msix(phba);
+ if (!error) {
+ phba->intr_type = MSIX;
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+ "0430 enable MSI-X mode.\n");
+ }
+ }
}
/* Fallback to MSI if MSI-X initialization failed */
if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) {
retval = pci_enable_msi(phba->pcidev);
- if (!retval)
+ if (!retval) {
phba->intr_type = MSI;
- else
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
- "0452 Enable MSI failed, continuing "
- "with IRQ\n");
+ "0473 enable MSI mode.\n");
+ } else
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+ "0452 enable IRQ mode.\n");
}
/* MSI-X is the only case the doesn't need to call request_irq */
phba->intr_type = INTx;
}
- phba->MBslimaddr = phba->slim_memmap_p;
- phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
- phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
- phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
- phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
-
if (lpfc_alloc_sysfs_attr(vport)) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "1476 Failed to allocate sysfs attr\n");
error = -ENOMEM;
goto out_free_irq;
}
if (lpfc_sli_hba_setup(phba)) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "1477 Failed to set up hba\n");
error = -ENODEV;
goto out_remove_device;
}
spin_unlock_irq(shost->host_lock);
}
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+ "0428 Perform SCSI scan\n");
scsi_scan_host(shost);
return 0;
/* Enable configured interrupt method */
phba->intr_type = NONE;
if (phba->cfg_use_msi == 2) {
- error = lpfc_enable_msix(phba);
- if (!error)
- phba->intr_type = MSIX;
+ /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
+ error = lpfc_sli_config_port(phba, 3);
+ if (error)
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+ "0478 Firmware not capable of SLI 3 mode.\n");
+ else {
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+ "0479 Firmware capable of SLI 3 mode.\n");
+ /* Now, try to enable MSI-X interrupt mode */
+ error = lpfc_enable_msix(phba);
+ if (!error) {
+ phba->intr_type = MSIX;
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+ "0480 enable MSI-X mode.\n");
+ }
+ }
}
/* Fallback to MSI if MSI-X initialization failed */
if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) {
retval = pci_enable_msi(phba->pcidev);
- if (!retval)
+ if (!retval) {
phba->intr_type = MSI;
- else
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
- "0470 Enable MSI failed, continuing "
- "with IRQ\n");
+ "0481 enable MSI mode.\n");
+ } else
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+ "0470 enable IRQ mode.\n");
}
/* MSI-X is the only case the doesn't need to call request_irq */
projects / mv-sheeva.git / blobdiff