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author | James Smart <james.smart@emulex.com> | 2010-09-29 11:19:14 -0400 |
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committer | James Bottomley <James.Bottomley@suse.de> | 2010-10-07 17:30:36 -0500 |
commit | 3677a3a76e190f801af0778df3b8efa1fe161a6e (patch) | |
tree | 1a1ebb2267f27963a5699ff27f04b88bec2533c8 /drivers/scsi/lpfc/lpfc_init.c | |
parent | eee8877ee5e8a879f78034001b5e7c04db005ab2 (diff) | |
download | linux-3.10-3677a3a76e190f801af0778df3b8efa1fe161a6e.tar.gz linux-3.10-3677a3a76e190f801af0778df3b8efa1fe161a6e.tar.bz2 linux-3.10-3677a3a76e190f801af0778df3b8efa1fe161a6e.zip |
[SCSI] lpfc 8.3.17: Replace function reset methodology
Replace graceful teardown steps with the singular function reset command.
Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_init.c')
-rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 132 |
1 files changed, 9 insertions, 123 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 053eaef0900..295c7ddb36c 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -2888,65 +2888,6 @@ lpfc_stop_port(struct lpfc_hba *phba) } /** - * lpfc_sli4_remove_dflt_fcf - Remove the driver default fcf record from the port. - * @phba: pointer to lpfc hba data structure. - * - * This routine is invoked to remove the driver default fcf record from - * the port. This routine currently acts on FCF Index 0. - * - **/ -void -lpfc_sli_remove_dflt_fcf(struct lpfc_hba *phba) -{ - int rc = 0; - LPFC_MBOXQ_t *mboxq; - struct lpfc_mbx_del_fcf_tbl_entry *del_fcf_record; - uint32_t mbox_tmo, req_len; - uint32_t shdr_status, shdr_add_status; - - mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - if (!mboxq) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "2020 Failed to allocate mbox for ADD_FCF cmd\n"); - return; - } - - req_len = sizeof(struct lpfc_mbx_del_fcf_tbl_entry) - - sizeof(struct lpfc_sli4_cfg_mhdr); - rc = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, - LPFC_MBOX_OPCODE_FCOE_DELETE_FCF, - req_len, LPFC_SLI4_MBX_EMBED); - /* - * In phase 1, there is a single FCF index, 0. In phase2, the driver - * supports multiple FCF indices. - */ - del_fcf_record = &mboxq->u.mqe.un.del_fcf_entry; - bf_set(lpfc_mbx_del_fcf_tbl_count, del_fcf_record, 1); - bf_set(lpfc_mbx_del_fcf_tbl_index, del_fcf_record, - phba->fcf.current_rec.fcf_indx); - - if (!phba->sli4_hba.intr_enable) - rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); - else { - mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG); - rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); - } - /* The IOCTL status is embedded in the mailbox subheader. */ - shdr_status = bf_get(lpfc_mbox_hdr_status, - &del_fcf_record->header.cfg_shdr.response); - shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, - &del_fcf_record->header.cfg_shdr.response); - if (shdr_status || shdr_add_status || rc != MBX_SUCCESS) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "2516 DEL FCF of default FCF Index failed " - "mbx status x%x, status x%x add_status x%x\n", - rc, shdr_status, shdr_add_status); - } - if (rc != MBX_TIMEOUT) - mempool_free(mboxq, phba->mbox_mem_pool); -} - -/** * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer * @phba: Pointer to hba for which this call is being executed. * @@ -4288,12 +4229,6 @@ lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba) { struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry; - /* unregister default FCFI from the HBA */ - lpfc_sli4_fcfi_unreg(phba, phba->fcf.fcfi); - - /* Free the default FCR table */ - lpfc_sli_remove_dflt_fcf(phba); - /* Free memory allocated for msi-x interrupt vector entries */ kfree(phba->sli4_hba.msix_entries); @@ -4321,9 +4256,6 @@ lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba) lpfc_sli4_cq_event_release_all(phba); lpfc_sli4_cq_event_pool_destroy(phba); - /* Reset SLI4 HBA FCoE function */ - lpfc_pci_function_reset(phba); - /* Free the bsmbx region. */ lpfc_destroy_bootstrap_mbox(phba); @@ -4550,7 +4482,6 @@ lpfc_free_sgl_list(struct lpfc_hba *phba) { struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; LIST_HEAD(sglq_list); - int rc = 0; spin_lock_irq(&phba->hbalock); list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list); @@ -4563,11 +4494,6 @@ lpfc_free_sgl_list(struct lpfc_hba *phba) kfree(sglq_entry); phba->sli4_hba.total_sglq_bufs--; } - rc = lpfc_sli4_remove_all_sgl_pages(phba); - if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "2005 Unable to deregister pages from HBA: %x\n", rc); - } kfree(phba->sli4_hba.lpfc_els_sgl_array); } @@ -6597,50 +6523,6 @@ lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba *phba, uint32_t cnt) } /** - * lpfc_sli4_fcfi_unreg - Unregister fcfi to device - * @phba: pointer to lpfc hba data structure. - * @fcfi: fcf index. - * - * This routine is invoked to unregister a FCFI from device. - **/ -void -lpfc_sli4_fcfi_unreg(struct lpfc_hba *phba, uint16_t fcfi) -{ - LPFC_MBOXQ_t *mbox; - uint32_t mbox_tmo; - int rc; - unsigned long flags; - - mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - - if (!mbox) - return; - - lpfc_unreg_fcfi(mbox, fcfi); - - if (!phba->sli4_hba.intr_enable) - rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); - else { - mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG); - rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); - } - if (rc != MBX_TIMEOUT) - mempool_free(mbox, phba->mbox_mem_pool); - if (rc != MBX_SUCCESS) - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "2517 Unregister FCFI command failed " - "status %d, mbxStatus x%x\n", rc, - bf_get(lpfc_mqe_status, &mbox->u.mqe)); - else { - spin_lock_irqsave(&phba->hbalock, flags); - /* Mark the FCFI is no longer registered */ - phba->fcf.fcf_flag &= - ~(FCF_AVAILABLE | FCF_REGISTERED | FCF_SCAN_DONE); - spin_unlock_irqrestore(&phba->hbalock, flags); - } -} - -/** * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space. * @phba: pointer to lpfc hba data structure. * @@ -7377,10 +7259,14 @@ lpfc_sli4_unset_hba(struct lpfc_hba *phba) phba->pport->work_port_events = 0; - lpfc_sli4_hba_down(phba); + /* Stop the SLI4 device port */ + lpfc_stop_port(phba); lpfc_sli4_disable_intr(phba); + /* Reset SLI4 HBA FCoE function */ + lpfc_pci_function_reset(phba); + return; } @@ -7429,15 +7315,15 @@ lpfc_sli4_hba_unset(struct lpfc_hba *phba) spin_unlock_irq(&phba->hbalock); } - /* Tear down the queues in the HBA */ - lpfc_sli4_queue_unset(phba); - /* Disable PCI subsystem interrupt */ lpfc_sli4_disable_intr(phba); /* Stop kthread signal shall trigger work_done one more time */ kthread_stop(phba->worker_thread); + /* Reset SLI4 HBA FCoE function */ + lpfc_pci_function_reset(phba); + /* Stop the SLI4 device port */ phba->pport->work_port_events = 0; } @@ -8373,7 +8259,7 @@ lpfc_pci_remove_one_s4(struct pci_dev *pdev) list_del_init(&vport->listentry); spin_unlock_irq(&phba->hbalock); - /* Call scsi_free before lpfc_sli4_driver_resource_unset since scsi + /* Perform scsi free before driver resource_unset since scsi * buffers are released to their corresponding pools here. */ lpfc_scsi_free(phba); |