From def9c7a994f194377a23e687e6fd39b46c3ce631 Mon Sep 17 00:00:00 2001 From: James Smart Date: Mon, 21 Dec 2009 17:02:28 -0500 Subject: [SCSI] lpfc 8.3.7: Fix hardware/SLI relates issues Fix hardware/SLI relates issues: - Fix CNA uses more than one EQ when in INTx interrupt mode. - Fix driver tries to process failed read FCF record mailbox request. - Fix allocating single receive buffer breaks FCoE receive queue. - Support new read FCF record mailbox error case. Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_init.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/scsi/lpfc/lpfc_init.c') diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index d4da6bdd0e73..7083ef3b3878 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -7507,6 +7507,9 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) error = -ENODEV; goto out_free_sysfs_attr; } + /* Default to single FCP EQ for non-MSI-X */ + if (phba->intr_type != MSIX) + phba->cfg_fcp_eq_count = 1; /* Set up SLI-4 HBA */ if (lpfc_sli4_hba_setup(phba)) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, -- cgit v1.2.2 From aacc20e35edfb86cf66c5ee8d9f3d06a98362fd1 Mon Sep 17 00:00:00 2001 From: James Smart Date: Mon, 21 Dec 2009 17:02:51 -0500 Subject: [SCSI] lpfc 8.3.7: Fix SCSI protocol related errors. Fix SCSI protocol related errors: - Avoid I/O failures during EEH and HBA/CNA reset by correcting when we block the targets on the adapter. Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_init.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers/scsi/lpfc/lpfc_init.c') diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 7083ef3b3878..974ea6d85efe 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -7226,8 +7226,6 @@ lpfc_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"); - /* Block all SCSI devices' I/Os on the host */ - lpfc_scsi_dev_block(phba); /* Clean up all driver's outstanding SCSI I/Os */ lpfc_sli_flush_fcp_rings(phba); } @@ -7256,6 +7254,9 @@ lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state) struct Scsi_Host *shost = pci_get_drvdata(pdev); struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; + /* Block all SCSI devices' I/Os on the host */ + lpfc_scsi_dev_block(phba); + switch (state) { case pci_channel_io_normal: /* Non-fatal error, prepare for recovery */ -- cgit v1.2.2 From 9795724476860069ce183ead59d0a5958f882037 Mon Sep 17 00:00:00 2001 From: James Smart Date: Mon, 21 Dec 2009 17:03:15 -0500 Subject: [SCSI] lpfc 8.3.7: Fix discovery failures. Fix discovery failures: - Move all accesses to the fc_flag field inside the host lock. - Restore link state after going through linkdown processing for FCF DEAD event. Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_init.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers/scsi/lpfc/lpfc_init.c') diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 974ea6d85efe..b8eb1b6e5e77 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -3006,6 +3006,7 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba, struct lpfc_vport *vport; struct lpfc_nodelist *ndlp; struct Scsi_Host *shost; + uint32_t link_state; phba->fc_eventTag = acqe_fcoe->event_tag; phba->fcoe_eventtag = acqe_fcoe->event_tag; @@ -3052,9 +3053,12 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba, break; /* * Currently, driver support only one FCF - so treat this as - * a link down. + * a link down, but save the link state because we don't want + * it to be changed to Link Down unless it is already down. */ + link_state = phba->link_state; lpfc_linkdown(phba); + phba->link_state = link_state; /* Unregister FCF if no devices connected to it */ lpfc_unregister_unused_fcf(phba); break; -- cgit v1.2.2