diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_init.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 377 |
1 files changed, 226 insertions, 151 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 9598fdcb08ab..411ed48d79da 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -64,8 +64,8 @@ static int lpfc_sli4_queue_verify(struct lpfc_hba *); static int lpfc_create_bootstrap_mbox(struct lpfc_hba *); static int lpfc_setup_endian_order(struct lpfc_hba *); static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *); -static void lpfc_free_sgl_list(struct lpfc_hba *); -static int lpfc_init_sgl_list(struct lpfc_hba *); +static void lpfc_free_els_sgl_list(struct lpfc_hba *); +static void lpfc_init_sgl_list(struct lpfc_hba *); static int lpfc_init_active_sgl_array(struct lpfc_hba *); static void lpfc_free_active_sgl(struct lpfc_hba *); static int lpfc_hba_down_post_s3(struct lpfc_hba *phba); @@ -2767,47 +2767,14 @@ lpfc_offline(struct lpfc_hba *phba) } /** - * lpfc_scsi_buf_update - Update the scsi_buffers that are already allocated. - * @phba: pointer to lpfc hba data structure. - * - * This routine goes through all the scsi buffers in the system and updates the - * Physical XRIs assigned to the SCSI buffer because these may change after any - * firmware reset - * - * Return codes - * 0 - successful (for now, it always returns 0) - **/ -int -lpfc_scsi_buf_update(struct lpfc_hba *phba) -{ - struct lpfc_scsi_buf *sb, *sb_next; - - spin_lock_irq(&phba->hbalock); - spin_lock(&phba->scsi_buf_list_lock); - list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { - sb->cur_iocbq.sli4_xritag = - phba->sli4_hba.xri_ids[sb->cur_iocbq.sli4_lxritag]; - set_bit(sb->cur_iocbq.sli4_lxritag, phba->sli4_hba.xri_bmask); - phba->sli4_hba.max_cfg_param.xri_used++; - phba->sli4_hba.xri_count++; - } - spin_unlock(&phba->scsi_buf_list_lock); - spin_unlock_irq(&phba->hbalock); - return 0; -} - -/** * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists * @phba: pointer to lpfc hba data structure. * * This routine is to free all the SCSI buffers and IOCBs from the driver * list back to kernel. It is called from lpfc_pci_remove_one to free * the internal resources before the device is removed from the system. - * - * Return codes - * 0 - successful (for now, it always returns 0) **/ -static int +static void lpfc_scsi_free(struct lpfc_hba *phba) { struct lpfc_scsi_buf *sb, *sb_next; @@ -2833,7 +2800,178 @@ lpfc_scsi_free(struct lpfc_hba *phba) } spin_unlock_irq(&phba->hbalock); +} + +/** + * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping + * @phba: pointer to lpfc hba data structure. + * + * This routine first calculates the sizes of the current els and allocated + * scsi sgl lists, and then goes through all sgls to updates the physical + * XRIs assigned due to port function reset. During port initialization, the + * current els and allocated scsi sgl lists are 0s. + * + * Return codes + * 0 - successful (for now, it always returns 0) + **/ +int +lpfc_sli4_xri_sgl_update(struct lpfc_hba *phba) +{ + struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL; + struct lpfc_scsi_buf *psb = NULL, *psb_next = NULL; + uint16_t i, lxri, xri_cnt, els_xri_cnt, scsi_xri_cnt; + LIST_HEAD(els_sgl_list); + LIST_HEAD(scsi_sgl_list); + int rc; + + /* + * update on pci function's els xri-sgl list + */ + els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); + if (els_xri_cnt > phba->sli4_hba.els_xri_cnt) { + /* els xri-sgl expanded */ + xri_cnt = els_xri_cnt - phba->sli4_hba.els_xri_cnt; + lpfc_printf_log(phba, KERN_INFO, LOG_SLI, + "3157 ELS xri-sgl count increased from " + "%d to %d\n", phba->sli4_hba.els_xri_cnt, + els_xri_cnt); + /* allocate the additional els sgls */ + for (i = 0; i < xri_cnt; i++) { + sglq_entry = kzalloc(sizeof(struct lpfc_sglq), + GFP_KERNEL); + if (sglq_entry == NULL) { + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "2562 Failure to allocate an " + "ELS sgl entry:%d\n", i); + rc = -ENOMEM; + goto out_free_mem; + } + sglq_entry->buff_type = GEN_BUFF_TYPE; + sglq_entry->virt = lpfc_mbuf_alloc(phba, 0, + &sglq_entry->phys); + if (sglq_entry->virt == NULL) { + kfree(sglq_entry); + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "2563 Failure to allocate an " + "ELS mbuf:%d\n", i); + rc = -ENOMEM; + goto out_free_mem; + } + sglq_entry->sgl = sglq_entry->virt; + memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE); + sglq_entry->state = SGL_FREED; + list_add_tail(&sglq_entry->list, &els_sgl_list); + } + spin_lock(&phba->hbalock); + list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list); + spin_unlock(&phba->hbalock); + } else if (els_xri_cnt < phba->sli4_hba.els_xri_cnt) { + /* els xri-sgl shrinked */ + xri_cnt = phba->sli4_hba.els_xri_cnt - els_xri_cnt; + lpfc_printf_log(phba, KERN_INFO, LOG_SLI, + "3158 ELS xri-sgl count decreased from " + "%d to %d\n", phba->sli4_hba.els_xri_cnt, + els_xri_cnt); + spin_lock_irq(&phba->hbalock); + list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &els_sgl_list); + spin_unlock_irq(&phba->hbalock); + /* release extra els sgls from list */ + for (i = 0; i < xri_cnt; i++) { + list_remove_head(&els_sgl_list, + sglq_entry, struct lpfc_sglq, list); + if (sglq_entry) { + lpfc_mbuf_free(phba, sglq_entry->virt, + sglq_entry->phys); + kfree(sglq_entry); + } + } + spin_lock_irq(&phba->hbalock); + list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list); + spin_unlock_irq(&phba->hbalock); + } else + lpfc_printf_log(phba, KERN_INFO, LOG_SLI, + "3163 ELS xri-sgl count unchanged: %d\n", + els_xri_cnt); + phba->sli4_hba.els_xri_cnt = els_xri_cnt; + + /* update xris to els sgls on the list */ + sglq_entry = NULL; + sglq_entry_next = NULL; + list_for_each_entry_safe(sglq_entry, sglq_entry_next, + &phba->sli4_hba.lpfc_sgl_list, list) { + lxri = lpfc_sli4_next_xritag(phba); + if (lxri == NO_XRI) { + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "2400 Failed to allocate xri for " + "ELS sgl\n"); + rc = -ENOMEM; + goto out_free_mem; + } + sglq_entry->sli4_lxritag = lxri; + sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri]; + } + + /* + * update on pci function's allocated scsi xri-sgl list + */ + phba->total_scsi_bufs = 0; + + /* maximum number of xris available for scsi buffers */ + phba->sli4_hba.scsi_xri_max = phba->sli4_hba.max_cfg_param.max_xri - + els_xri_cnt; + + lpfc_printf_log(phba, KERN_INFO, LOG_SLI, + "2401 Current allocated SCSI xri-sgl count:%d, " + "maximum SCSI xri count:%d\n", + phba->sli4_hba.scsi_xri_cnt, + phba->sli4_hba.scsi_xri_max); + + spin_lock_irq(&phba->scsi_buf_list_lock); + list_splice_init(&phba->lpfc_scsi_buf_list, &scsi_sgl_list); + spin_unlock_irq(&phba->scsi_buf_list_lock); + + if (phba->sli4_hba.scsi_xri_cnt > phba->sli4_hba.scsi_xri_max) { + /* max scsi xri shrinked below the allocated scsi buffers */ + scsi_xri_cnt = phba->sli4_hba.scsi_xri_cnt - + phba->sli4_hba.scsi_xri_max; + /* release the extra allocated scsi buffers */ + for (i = 0; i < scsi_xri_cnt; i++) { + list_remove_head(&scsi_sgl_list, psb, + struct lpfc_scsi_buf, list); + pci_pool_free(phba->lpfc_scsi_dma_buf_pool, psb->data, + psb->dma_handle); + kfree(psb); + } + spin_lock_irq(&phba->scsi_buf_list_lock); + phba->sli4_hba.scsi_xri_cnt -= scsi_xri_cnt; + spin_unlock_irq(&phba->scsi_buf_list_lock); + } + + /* update xris associated to remaining allocated scsi buffers */ + psb = NULL; + psb_next = NULL; + list_for_each_entry_safe(psb, psb_next, &scsi_sgl_list, list) { + lxri = lpfc_sli4_next_xritag(phba); + if (lxri == NO_XRI) { + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "2560 Failed to allocate xri for " + "scsi buffer\n"); + rc = -ENOMEM; + goto out_free_mem; + } + psb->cur_iocbq.sli4_lxritag = lxri; + psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri]; + } + spin_lock(&phba->scsi_buf_list_lock); + list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list); + spin_unlock(&phba->scsi_buf_list_lock); + return 0; + +out_free_mem: + lpfc_free_els_sgl_list(phba); + lpfc_scsi_free(phba); + return rc; } /** @@ -4636,18 +4774,15 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) if (rc) goto out_free_bsmbx; - /* Initialize and populate the iocb list per host */ - rc = lpfc_init_sgl_list(phba); - if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "1400 Failed to initialize sgl list.\n"); - goto out_destroy_cq_event_pool; - } + /* Initialize sgl lists per host */ + lpfc_init_sgl_list(phba); + + /* Allocate and initialize active sgl array */ rc = lpfc_init_active_sgl_array(phba); if (rc) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "1430 Failed to initialize sgl list.\n"); - goto out_free_sgl_list; + goto out_destroy_cq_event_pool; } rc = lpfc_sli4_init_rpi_hdrs(phba); if (rc) { @@ -4722,8 +4857,6 @@ out_remove_rpi_hdrs: lpfc_sli4_remove_rpi_hdrs(phba); out_free_active_sgl: lpfc_free_active_sgl(phba); -out_free_sgl_list: - lpfc_free_sgl_list(phba); out_destroy_cq_event_pool: lpfc_sli4_cq_event_pool_destroy(phba); out_free_bsmbx: @@ -4760,10 +4893,7 @@ lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba) /* Free the ELS sgl list */ lpfc_free_active_sgl(phba); - lpfc_free_sgl_list(phba); - - /* Free the SCSI sgl management array */ - kfree(phba->sli4_hba.lpfc_scsi_psb_array); + lpfc_free_els_sgl_list(phba); /* Free the completion queue EQ event pool */ lpfc_sli4_cq_event_release_all(phba); @@ -4990,29 +5120,42 @@ out_free_iocbq: } /** - * lpfc_free_sgl_list - Free sgl list. + * lpfc_free_sgl_list - Free a given sgl list. * @phba: pointer to lpfc hba data structure. + * @sglq_list: pointer to the head of sgl list. * - * This routine is invoked to free the driver's sgl list and memory. + * This routine is invoked to free a give sgl list and memory. **/ -static void -lpfc_free_sgl_list(struct lpfc_hba *phba) +void +lpfc_free_sgl_list(struct lpfc_hba *phba, struct list_head *sglq_list) { struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; + + list_for_each_entry_safe(sglq_entry, sglq_next, sglq_list, list) { + list_del(&sglq_entry->list); + lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys); + kfree(sglq_entry); + } +} + +/** + * lpfc_free_els_sgl_list - Free els sgl list. + * @phba: pointer to lpfc hba data structure. + * + * This routine is invoked to free the driver's els sgl list and memory. + **/ +static void +lpfc_free_els_sgl_list(struct lpfc_hba *phba) +{ LIST_HEAD(sglq_list); + /* Retrieve all els sgls from driver list */ spin_lock_irq(&phba->hbalock); list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list); spin_unlock_irq(&phba->hbalock); - list_for_each_entry_safe(sglq_entry, sglq_next, - &sglq_list, list) { - list_del(&sglq_entry->list); - lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys); - kfree(sglq_entry); - phba->sli4_hba.total_sglq_bufs--; - } - kfree(phba->sli4_hba.lpfc_els_sgl_array); + /* Now free the sgl list */ + lpfc_free_sgl_list(phba, &sglq_list); } /** @@ -5057,99 +5200,19 @@ lpfc_free_active_sgl(struct lpfc_hba *phba) * This routine is invoked to allocate and initizlize the driver's sgl * list and set up the sgl xritag tag array accordingly. * - * Return codes - * 0 - successful - * other values - error **/ -static int +static void lpfc_init_sgl_list(struct lpfc_hba *phba) { - struct lpfc_sglq *sglq_entry = NULL; - int i; - int els_xri_cnt; - - els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); - lpfc_printf_log(phba, KERN_INFO, LOG_SLI, - "2400 ELS XRI count %d.\n", - els_xri_cnt); /* Initialize and populate the sglq list per host/VF. */ INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list); INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list); - /* Sanity check on XRI management */ - if (phba->sli4_hba.max_cfg_param.max_xri <= els_xri_cnt) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "2562 No room left for SCSI XRI allocation: " - "max_xri=%d, els_xri=%d\n", - phba->sli4_hba.max_cfg_param.max_xri, - els_xri_cnt); - return -ENOMEM; - } - - /* Allocate memory for the ELS XRI management array */ - phba->sli4_hba.lpfc_els_sgl_array = - kzalloc((sizeof(struct lpfc_sglq *) * els_xri_cnt), - GFP_KERNEL); - - if (!phba->sli4_hba.lpfc_els_sgl_array) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "2401 Failed to allocate memory for ELS " - "XRI management array of size %d.\n", - els_xri_cnt); - return -ENOMEM; - } + /* els xri-sgl book keeping */ + phba->sli4_hba.els_xri_cnt = 0; - /* Keep the SCSI XRI into the XRI management array */ - phba->sli4_hba.scsi_xri_max = - phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt; + /* scsi xri-buffer book keeping */ phba->sli4_hba.scsi_xri_cnt = 0; - phba->sli4_hba.lpfc_scsi_psb_array = - kzalloc((sizeof(struct lpfc_scsi_buf *) * - phba->sli4_hba.scsi_xri_max), GFP_KERNEL); - - if (!phba->sli4_hba.lpfc_scsi_psb_array) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "2563 Failed to allocate memory for SCSI " - "XRI management array of size %d.\n", - phba->sli4_hba.scsi_xri_max); - kfree(phba->sli4_hba.lpfc_els_sgl_array); - return -ENOMEM; - } - - for (i = 0; i < els_xri_cnt; i++) { - sglq_entry = kzalloc(sizeof(struct lpfc_sglq), GFP_KERNEL); - if (sglq_entry == NULL) { - printk(KERN_ERR "%s: only allocated %d sgls of " - "expected %d count. Unloading driver.\n", - __func__, i, els_xri_cnt); - goto out_free_mem; - } - - sglq_entry->buff_type = GEN_BUFF_TYPE; - sglq_entry->virt = lpfc_mbuf_alloc(phba, 0, &sglq_entry->phys); - if (sglq_entry->virt == NULL) { - kfree(sglq_entry); - printk(KERN_ERR "%s: failed to allocate mbuf.\n" - "Unloading driver.\n", __func__); - goto out_free_mem; - } - sglq_entry->sgl = sglq_entry->virt; - memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE); - - /* The list order is used by later block SGL registraton */ - spin_lock_irq(&phba->hbalock); - sglq_entry->state = SGL_FREED; - list_add_tail(&sglq_entry->list, &phba->sli4_hba.lpfc_sgl_list); - phba->sli4_hba.lpfc_els_sgl_array[i] = sglq_entry; - phba->sli4_hba.total_sglq_bufs++; - spin_unlock_irq(&phba->hbalock); - } - return 0; - -out_free_mem: - kfree(phba->sli4_hba.lpfc_scsi_psb_array); - lpfc_free_sgl_list(phba); - return -ENOMEM; } /** @@ -7320,9 +7383,11 @@ lpfc_pci_function_reset(struct lpfc_hba *phba) phba->sli4_hba.u.if_type2.ERR2regaddr); lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "2890 Port error detected during port " - "reset(%d): port status reg 0x%x, " + "reset(%d): wait_tmo:%d ms, " + "port status reg 0x%x, " "error 1=0x%x, error 2=0x%x\n", - num_resets, reg_data.word0, + num_resets, rdy_chk*10, + reg_data.word0, phba->work_status[0], phba->work_status[1]); rc = -ENODEV; @@ -8694,8 +8759,11 @@ lpfc_pci_remove_one_s3(struct pci_dev *pdev) /* Release all the vports against this physical port */ vports = lpfc_create_vport_work_array(phba); if (vports != NULL) - for (i = 1; i <= phba->max_vports && vports[i] != NULL; i++) + for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { + if (vports[i]->port_type == LPFC_PHYSICAL_PORT) + continue; fc_vport_terminate(vports[i]->fc_vport); + } lpfc_destroy_vport_work_array(phba, vports); /* Remove FC host and then SCSI host with the physical port */ @@ -9115,8 +9183,12 @@ lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba) return 50; else if (max_xri <= 1024) return 100; - else + else if (max_xri <= 1536) return 150; + else if (max_xri <= 2048) + return 200; + else + return 250; } else return 0; } @@ -9455,8 +9527,11 @@ lpfc_pci_remove_one_s4(struct pci_dev *pdev) /* Release all the vports against this physical port */ vports = lpfc_create_vport_work_array(phba); if (vports != NULL) - for (i = 1; i <= phba->max_vports && vports[i] != NULL; i++) + for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { + if (vports[i]->port_type == LPFC_PHYSICAL_PORT) + continue; fc_vport_terminate(vports[i]->fc_vport); + } lpfc_destroy_vport_work_array(phba, vports); /* Remove FC host and then SCSI host with the physical port */ |