diff options
| -rw-r--r-- | drivers/scsi/lpfc/lpfc.h | 17 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 23 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_crtn.h | 6 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 515 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_nvme.c | 500 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_nvme.h | 33 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.c | 500 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.h | 27 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 279 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli4.h | 16 |
10 files changed, 707 insertions, 1209 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index ebdfe5b26937..858a9a50f94d 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -617,8 +617,6 @@ struct lpfc_ras_fwlog { struct lpfc_hba { /* SCSI interface function jump table entries */ - int (*lpfc_new_scsi_buf) - (struct lpfc_vport *, int); struct lpfc_scsi_buf * (*lpfc_get_scsi_buf) (struct lpfc_hba *, struct lpfc_nodelist *); int (*lpfc_scsi_prep_dma_buf) @@ -875,7 +873,6 @@ struct lpfc_hba { uint32_t cfg_enable_fc4_type; uint32_t cfg_enable_bbcr; /* Enable BB Credit Recovery */ uint32_t cfg_enable_dpp; /* Enable Direct Packet Push */ - uint32_t cfg_xri_split; #define LPFC_ENABLE_FCP 1 #define LPFC_ENABLE_NVME 2 #define LPFC_ENABLE_BOTH 3 @@ -970,13 +967,13 @@ struct lpfc_hba { struct list_head lpfc_scsi_buf_list_get; struct list_head lpfc_scsi_buf_list_put; uint32_t total_scsi_bufs; - spinlock_t nvme_buf_list_get_lock; /* NVME buf alloc list lock */ - spinlock_t nvme_buf_list_put_lock; /* NVME buf free list lock */ - struct list_head lpfc_nvme_buf_list_get; - struct list_head lpfc_nvme_buf_list_put; - uint32_t total_nvme_bufs; - uint32_t get_nvme_bufs; - uint32_t put_nvme_bufs; + spinlock_t common_buf_list_get_lock; /* Common buf alloc list lock */ + spinlock_t common_buf_list_put_lock; /* Common buf free list lock */ + struct list_head lpfc_common_buf_list_get; + struct list_head lpfc_common_buf_list_put; + uint32_t total_common_bufs; + uint32_t get_common_bufs; + uint32_t put_common_bufs; struct list_head lpfc_iocb_list; uint32_t total_iocbq_bufs; struct list_head active_rrq_list; diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 4bae72cbf3f6..0980e1b67b83 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -334,11 +334,10 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, rcu_read_lock(); scnprintf(tmp, sizeof(tmp), - "XRI Dist lpfc%d Total %d NVME %d SCSI %d ELS %d\n", + "XRI Dist lpfc%d Total %d IO %d ELS %d\n", phba->brd_no, phba->sli4_hba.max_cfg_param.max_xri, - phba->sli4_hba.nvme_xri_max, - phba->sli4_hba.scsi_xri_max, + phba->sli4_hba.common_xri_max, lpfc_sli4_get_els_iocb_cnt(phba)); if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) goto buffer_done; @@ -3731,22 +3730,6 @@ LPFC_ATTR_R(enable_fc4_type, LPFC_ENABLE_FCP, "Enable FC4 Protocol support - FCP / NVME"); /* - * lpfc_xri_split: Defines the division of XRI resources between SCSI and NVME - * This parameter is only used if: - * lpfc_enable_fc4_type is 3 - register both FCP and NVME and - * port is not configured for NVMET. - * - * ELS/CT always get 10% of XRIs, up to a maximum of 250 - * The remaining XRIs get split up based on lpfc_xri_split per port: - * - * Supported Values are in percentages - * the xri_split value is the percentage the SCSI port will get. The remaining - * percentage will go to NVME. - */ -LPFC_ATTR_R(xri_split, 50, 10, 90, - "Percentage of FCP XRI resources versus NVME"); - -/* # lpfc_log_verbose: Only turn this flag on if you are willing to risk being # deluged with LOTS of information. # You can set a bit mask to record specific types of verbose messages: @@ -5704,7 +5687,6 @@ struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_lpfc_nodev_tmo, &dev_attr_lpfc_devloss_tmo, &dev_attr_lpfc_enable_fc4_type, - &dev_attr_lpfc_xri_split, &dev_attr_lpfc_fcp_class, &dev_attr_lpfc_use_adisc, &dev_attr_lpfc_first_burst_size, @@ -6865,7 +6847,6 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) phba->cfg_soft_wwnn = 0L; phba->cfg_soft_wwpn = 0L; - lpfc_xri_split_init(phba, lpfc_xri_split); lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); lpfc_hba_log_verbose_init(phba, lpfc_log_verbose); diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 39f3fa988732..0e49004ceed1 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -520,8 +520,10 @@ int lpfc_sli4_read_config(struct lpfc_hba *); void lpfc_sli4_node_prep(struct lpfc_hba *); int lpfc_sli4_els_sgl_update(struct lpfc_hba *phba); int lpfc_sli4_nvmet_sgl_update(struct lpfc_hba *phba); -int lpfc_sli4_scsi_sgl_update(struct lpfc_hba *phba); -int lpfc_sli4_nvme_sgl_update(struct lpfc_hba *phba); +int lpfc_sli4_common_sgl_update(struct lpfc_hba *phba); +int lpfc_sli4_post_common_sgl_list(struct lpfc_hba *phba, + struct list_head *blist, int xricnt); +int lpfc_new_common_buf(struct lpfc_hba *phba, int num_to_alloc); void lpfc_free_sgl_list(struct lpfc_hba *, struct list_head *); uint32_t lpfc_sli_port_speed_get(struct lpfc_hba *); int lpfc_sli4_request_firmware_update(struct lpfc_hba *, uint8_t); diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index c1c36812c3d2..149f3182f41e 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -1092,13 +1092,15 @@ lpfc_hba_down_post_s4(struct lpfc_hba *phba) spin_unlock_irq(&phba->hbalock); - list_for_each_entry_safe(psb, psb_next, &aborts, list) { - psb->pCmd = NULL; - psb->status = IOSTAT_SUCCESS; + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { + list_for_each_entry_safe(psb, psb_next, &aborts, list) { + psb->pCmd = NULL; + psb->status = IOSTAT_SUCCESS; + } + spin_lock_irqsave(&phba->common_buf_list_put_lock, iflag); + list_splice(&aborts, &phba->lpfc_common_buf_list_put); + spin_unlock_irqrestore(&phba->common_buf_list_put_lock, iflag); } - spin_lock_irqsave(&phba->scsi_buf_list_put_lock, iflag); - list_splice(&aborts, &phba->lpfc_scsi_buf_list_put); - spin_unlock_irqrestore(&phba->scsi_buf_list_put_lock, iflag); if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { cnt = 0; @@ -1107,10 +1109,10 @@ lpfc_hba_down_post_s4(struct lpfc_hba *phba) psb->status = IOSTAT_SUCCESS; cnt++; } - spin_lock_irqsave(&phba->nvme_buf_list_put_lock, iflag); - phba->put_nvme_bufs += cnt; - list_splice(&nvme_aborts, &phba->lpfc_nvme_buf_list_put); - spin_unlock_irqrestore(&phba->nvme_buf_list_put_lock, iflag); + spin_lock_irqsave(&phba->common_buf_list_put_lock, iflag); + phba->put_common_bufs += cnt; + list_splice(&nvme_aborts, &phba->lpfc_common_buf_list_put); + spin_unlock_irqrestore(&phba->common_buf_list_put_lock, iflag); list_for_each_entry_safe(ctxp, ctxp_next, &nvmet_aborts, list) { ctxp->flag &= ~(LPFC_NVMET_XBUSY | LPFC_NVMET_ABORT_OP); @@ -3123,6 +3125,18 @@ lpfc_online(struct lpfc_hba *phba) "6132 NVME restore reg failed " "on nvmei error x%x\n", error); } + /* Don't post more new bufs if repost already recovered + * the nvme sgls. + */ + if (phba->sli4_hba.common_xri_cnt == 0) { + i = lpfc_new_common_buf(phba, + phba->sli4_hba.common_xri_max); + if (i == 0) { + lpfc_unblock_mgmt_io(phba); + return 1; + } + phba->total_common_bufs += i; + } } else { lpfc_sli_queue_init(phba); if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */ @@ -3355,50 +3369,49 @@ lpfc_scsi_free(struct lpfc_hba *phba) spin_unlock(&phba->scsi_buf_list_get_lock); spin_unlock_irq(&phba->hbalock); } + /** - * lpfc_nvme_free - Free all the NVME buffers and IOCBs from driver lists + * lpfc_common_free - Free all the IO buffers and IOCBs from driver lists * @phba: pointer to lpfc hba data structure. * - * This routine is to free all the NVME buffers and IOCBs from the driver + * This routine is to free all the IO 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. **/ static void -lpfc_nvme_free(struct lpfc_hba *phba) +lpfc_common_free(struct lpfc_hba *phba) { struct lpfc_nvme_buf *lpfc_ncmd, *lpfc_ncmd_next; - if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) - return; - spin_lock_irq(&phba->hbalock); /* Release all the lpfc_nvme_bufs maintained by this host. */ - spin_lock(&phba->nvme_buf_list_put_lock); + spin_lock(&phba->common_buf_list_put_lock); list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, - &phba->lpfc_nvme_buf_list_put, list) { + &phba->lpfc_common_buf_list_put, list) { list_del(&lpfc_ncmd->list); - phba->put_nvme_bufs--; + phba->put_common_bufs--; dma_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data, lpfc_ncmd->dma_handle); kfree(lpfc_ncmd); - phba->total_nvme_bufs--; + phba->total_common_bufs--; } - spin_unlock(&phba->nvme_buf_list_put_lock); + spin_unlock(&phba->common_buf_list_put_lock); - spin_lock(&phba->nvme_buf_list_get_lock); + spin_lock(&phba->common_buf_list_get_lock); list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, - &phba->lpfc_nvme_buf_list_get, list) { + &phba->lpfc_common_buf_list_get, list) { list_del(&lpfc_ncmd->list); - phba->get_nvme_bufs--; + phba->get_common_bufs--; dma_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data, lpfc_ncmd->dma_handle); kfree(lpfc_ncmd); - phba->total_nvme_bufs--; + phba->total_common_bufs--; } - spin_unlock(&phba->nvme_buf_list_get_lock); + spin_unlock(&phba->common_buf_list_get_lock); spin_unlock_irq(&phba->hbalock); } + /** * lpfc_sli4_els_sgl_update - update ELS xri-sgl sizing and mapping * @phba: pointer to lpfc hba data structure. @@ -3641,7 +3654,7 @@ out_free_mem: } /** - * lpfc_sli4_scsi_sgl_update - update xri-sgl sizing and mapping + * lpfc_sli4_common_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 @@ -3653,94 +3666,214 @@ out_free_mem: * 0 - successful (for now, it always returns 0) **/ int -lpfc_sli4_scsi_sgl_update(struct lpfc_hba *phba) +lpfc_sli4_common_sgl_update(struct lpfc_hba *phba) { - struct lpfc_scsi_buf *psb, *psb_next; - uint16_t i, lxri, els_xri_cnt, scsi_xri_cnt; - LIST_HEAD(scsi_sgl_list); - int rc; + struct lpfc_nvme_buf *lpfc_ncmd = NULL, *lpfc_ncmd_next = NULL; + uint16_t i, lxri, els_xri_cnt; + uint16_t common_xri_cnt, common_xri_max; + LIST_HEAD(common_sgl_list); + int rc, cnt; - /* - * update on pci function's els xri-sgl list - */ - els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); - phba->total_scsi_bufs = 0; + phba->total_common_bufs = 0; + phba->get_common_bufs = 0; + phba->put_common_bufs = 0; /* - * update on pci function's allocated scsi xri-sgl list + * update on pci function's allocated nvme xri-sgl list */ - /* 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; - if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)) - return 0; - - if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) - phba->sli4_hba.scsi_xri_max = /* Split them up */ - (phba->sli4_hba.scsi_xri_max * - phba->cfg_xri_split) / 100; - - spin_lock_irq(&phba->scsi_buf_list_get_lock); - spin_lock(&phba->scsi_buf_list_put_lock); - list_splice_init(&phba->lpfc_scsi_buf_list_get, &scsi_sgl_list); - list_splice(&phba->lpfc_scsi_buf_list_put, &scsi_sgl_list); - spin_unlock(&phba->scsi_buf_list_put_lock); - spin_unlock_irq(&phba->scsi_buf_list_get_lock); + /* maximum number of xris available for nvme buffers */ + els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); + common_xri_max = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt; + phba->sli4_hba.common_xri_max = common_xri_max; lpfc_printf_log(phba, KERN_INFO, LOG_SLI, - "6060 Current allocated SCSI xri-sgl count:%d, " - "maximum SCSI xri count:%d (split:%d)\n", - phba->sli4_hba.scsi_xri_cnt, - phba->sli4_hba.scsi_xri_max, phba->cfg_xri_split); - - 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); - if (psb) { + "6074 Current allocated XRI sgl count:%d, " + "maximum XRI count:%d\n", + phba->sli4_hba.common_xri_cnt, + phba->sli4_hba.common_xri_max); + + spin_lock_irq(&phba->common_buf_list_get_lock); + spin_lock(&phba->common_buf_list_put_lock); + list_splice_init(&phba->lpfc_common_buf_list_get, &common_sgl_list); + list_splice(&phba->lpfc_common_buf_list_put, &common_sgl_list); + cnt = phba->get_common_bufs + phba->put_common_bufs; + phba->get_common_bufs = 0; + phba->put_common_bufs = 0; + spin_unlock(&phba->common_buf_list_put_lock); + spin_unlock_irq(&phba->common_buf_list_get_lock); + + if (phba->sli4_hba.common_xri_cnt > phba->sli4_hba.common_xri_max) { + /* max nvme xri shrunk below the allocated nvme buffers */ + spin_lock_irq(&phba->common_buf_list_get_lock); + common_xri_cnt = phba->sli4_hba.common_xri_cnt - + phba->sli4_hba.common_xri_max; + spin_unlock_irq(&phba->common_buf_list_get_lock); + /* release the extra allocated nvme buffers */ + for (i = 0; i < common_xri_cnt; i++) { + list_remove_head(&common_sgl_list, lpfc_ncmd, + struct lpfc_nvme_buf, list); + if (lpfc_ncmd) { dma_pool_free(phba->lpfc_sg_dma_buf_pool, - psb->data, psb->dma_handle); - kfree(psb); + lpfc_ncmd->data, + lpfc_ncmd->dma_handle); + kfree(lpfc_ncmd); } } - spin_lock_irq(&phba->scsi_buf_list_get_lock); - phba->sli4_hba.scsi_xri_cnt -= scsi_xri_cnt; - spin_unlock_irq(&phba->scsi_buf_list_get_lock); + spin_lock_irq(&phba->common_buf_list_get_lock); + phba->sli4_hba.common_xri_cnt -= common_xri_cnt; + spin_unlock_irq(&phba->common_buf_list_get_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) { + /* update xris associated to remaining allocated nvme buffers */ + lpfc_ncmd = NULL; + lpfc_ncmd_next = NULL; + list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, + &common_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"); + "6075 Failed to allocate xri for " + "nvme 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]; + lpfc_ncmd->cur_iocbq.sli4_lxritag = lxri; + lpfc_ncmd->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri]; } - spin_lock_irq(&phba->scsi_buf_list_get_lock); - spin_lock(&phba->scsi_buf_list_put_lock); - list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list_get); - INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put); - spin_unlock(&phba->scsi_buf_list_put_lock); - spin_unlock_irq(&phba->scsi_buf_list_get_lock); + spin_lock_irq(&phba->common_buf_list_get_lock); + spin_lock(&phba->common_buf_list_put_lock); + list_splice_init(&common_sgl_list, &phba->lpfc_common_buf_list_get); + phba->get_common_bufs = cnt; + INIT_LIST_HEAD(&phba->lpfc_common_buf_list_put); + spin_unlock(&phba->common_buf_list_put_lock); + spin_unlock_irq(&phba->common_buf_list_get_lock); return 0; out_free_mem: - lpfc_scsi_free(phba); + lpfc_common_free(phba); return rc; } +/** + * lpfc_new_common_buf - IO buffer allocator for HBA with SLI4 IF spec + * @vport: The virtual port for which this call being executed. + * @num_to_allocate: The requested number of buffers to allocate. + * + * This routine allocates nvme buffers for device with SLI-4 interface spec, + * the nvme buffer contains all the necessary information needed to initiate + * an I/O. After allocating up to @num_to_allocate IO buffers and put + * them on a list, it post them to the port by using SGL block post. + * + * Return codes: + * int - number of nvme buffers that were allocated and posted. + * 0 = failure, less than num_to_alloc is a partial failure. + **/ +int +lpfc_new_common_buf(struct lpfc_hba *phba, int num_to_alloc) +{ + struct lpfc_nvme_buf *lpfc_ncmd; + struct lpfc_iocbq *pwqeq; + uint16_t iotag, lxri = 0; + int bcnt, num_posted; + LIST_HEAD(prep_nblist); + LIST_HEAD(post_nblist); + LIST_HEAD(nvme_nblist); + + /* Sanity check to ensure our sizing is right for both SCSI and NVME */ + if ((sizeof(struct lpfc_scsi_buf) > LPFC_COMMON_IO_BUF_SZ) || + (sizeof(struct lpfc_nvme_buf) > LPFC_COMMON_IO_BUF_SZ)) { + lpfc_printf_log(phba, KERN_ERR, LOG_FCP, + "6426 Common buffer size mismatch: %ld %ld\n", + sizeof(struct lpfc_scsi_buf), + sizeof(struct lpfc_nvme_buf)); + return 0; + } + + for (bcnt = 0; bcnt < num_to_alloc; bcnt++) { + lpfc_ncmd = kzalloc(LPFC_COMMON_IO_BUF_SZ, GFP_KERNEL); + if (!lpfc_ncmd) + break; + /* + * Get memory from the pci pool to map the virt space to + * pci bus space for an I/O. The DMA buffer includes the + * number of SGE's necessary to support the sg_tablesize. + */ + lpfc_ncmd->data = dma_pool_alloc(phba->lpfc_sg_dma_buf_pool, + GFP_KERNEL, + &lpfc_ncmd->dma_handle); + if (!lpfc_ncmd->data) { + kfree(lpfc_ncmd); + break; + } + memset(lpfc_ncmd->data, 0, phba->cfg_sg_dma_buf_size); + + /* + * 4K Page alignment is CRITICAL to BlockGuard, double check + * to be sure. + */ + if ((phba->sli3_options & LPFC_SLI3_BG_ENABLED) && + (((unsigned long)(lpfc_ncmd->data) & + (unsigned long)(SLI4_PAGE_SIZE - 1)) != 0)) { + lpfc_printf_log(phba, KERN_ERR, LOG_FCP, + "3369 Memory alignment err: addr=%lx\n", + (unsigned long)lpfc_ncmd->data); + dma_pool_free(phba->lpfc_sg_dma_buf_pool, + lpfc_ncmd->data, lpfc_ncmd->dma_handle); + kfree(lpfc_ncmd); + break; + } + + lxri = lpfc_sli4_next_xritag(phba); + if (lxri == NO_XRI) { + dma_pool_free(phba->lpfc_sg_dma_buf_pool, + lpfc_ncmd->data, lpfc_ncmd->dma_handle); + kfree(lpfc_ncmd); + break; + } + pwqeq = &lpfc_ncmd->cur_iocbq; + + /* Allocate iotag for lpfc_ncmd->cur_iocbq. */ + iotag = lpfc_sli_next_iotag(phba, pwqeq); + if (iotag == 0) { + dma_pool_free(phba->lpfc_sg_dma_buf_pool, + lpfc_ncmd->data, lpfc_ncmd->dma_handle); + kfree(lpfc_ncmd); + lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, + "6121 Failed to allocate IOTAG for" + " XRI:0x%x\n", lxri); + lpfc_sli4_free_xri(phba, lxri); + break; + } + pwqeq->sli4_lxritag = lxri; + pwqeq->sli4_xritag = phba->sli4_hba.xri_ids[lxri]; + pwqeq->context1 = lpfc_ncmd; + + /* Initialize local short-hand pointers. */ + lpfc_ncmd->dma_sgl = lpfc_ncmd->data; + lpfc_ncmd->dma_phys_sgl = lpfc_ncmd->dma_handle; + lpfc_ncmd->cur_iocbq.context1 = lpfc_ncmd; + + /* add the nvme buffer to a post list */ + list_add_tail(&lpfc_ncmd->list, &post_nblist); + spin_lock_irq(&phba->common_buf_list_get_lock); + phba->sli4_hba.common_xri_cnt++; + spin_unlock_irq(&phba->common_buf_list_get_lock); + } + lpfc_printf_log(phba, KERN_INFO, LOG_NVME, + "6114 Allocate %d out of %d requested new NVME " + "buffers\n", bcnt, num_to_alloc); + + /* post the list of nvme buffer sgls to port if available */ + if (!list_empty(&post_nblist)) + num_posted = lpfc_sli4_post_common_sgl_list( + phba, &post_nblist, bcnt); + else + num_posted = 0; + + return num_posted; +} + static uint64_t lpfc_get_wwpn(struct lpfc_hba *phba) { @@ -3777,111 +3910,6 @@ lpfc_get_wwpn(struct lpfc_hba *phba) } /** - * lpfc_sli4_nvme_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_nvme_sgl_update(struct lpfc_hba *phba) -{ - struct lpfc_nvme_buf *lpfc_ncmd = NULL, *lpfc_ncmd_next = NULL; - uint16_t i, lxri, els_xri_cnt; - uint16_t nvme_xri_cnt, nvme_xri_max; - LIST_HEAD(nvme_sgl_list); - int rc, cnt; - - phba->total_nvme_bufs = 0; - phba->get_nvme_bufs = 0; - phba->put_nvme_bufs = 0; - - if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) - return 0; - /* - * update on pci function's allocated nvme xri-sgl list - */ - - /* maximum number of xris available for nvme buffers */ - els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); - nvme_xri_max = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt; - phba->sli4_hba.nvme_xri_max = nvme_xri_max; - phba->sli4_hba.nvme_xri_max -= phba->sli4_hba.scsi_xri_max; - - lpfc_printf_log(phba, KERN_INFO, LOG_SLI, - "6074 Current allocated NVME xri-sgl count:%d, " - "maximum NVME xri count:%d\n", - phba->sli4_hba.nvme_xri_cnt, - phba->sli4_hba.nvme_xri_max); - - spin_lock_irq(&phba->nvme_buf_list_get_lock); - spin_lock(&phba->nvme_buf_list_put_lock); - list_splice_init(&phba->lpfc_nvme_buf_list_get, &nvme_sgl_list); - list_splice(&phba->lpfc_nvme_buf_list_put, &nvme_sgl_list); - cnt = phba->get_nvme_bufs + phba->put_nvme_bufs; - phba->get_nvme_bufs = 0; - phba->put_nvme_bufs = 0; - spin_unlock(&phba->nvme_buf_list_put_lock); - spin_unlock_irq(&phba->nvme_buf_list_get_lock); - - if (phba->sli4_hba.nvme_xri_cnt > phba->sli4_hba.nvme_xri_max) { - /* max nvme xri shrunk below the allocated nvme buffers */ - spin_lock_irq(&phba->nvme_buf_list_get_lock); - nvme_xri_cnt = phba->sli4_hba.nvme_xri_cnt - - phba->sli4_hba.nvme_xri_max; - spin_unlock_irq(&phba->nvme_buf_list_get_lock); - /* release the extra allocated nvme buffers */ - for (i = 0; i < nvme_xri_cnt; i++) { - list_remove_head(&nvme_sgl_list, lpfc_ncmd, - struct lpfc_nvme_buf, list); - if (lpfc_ncmd) { - dma_pool_free(phba->lpfc_sg_dma_buf_pool, - lpfc_ncmd->data, - lpfc_ncmd->dma_handle); - kfree(lpfc_ncmd); - } - } - spin_lock_irq(&phba->nvme_buf_list_get_lock); - phba->sli4_hba.nvme_xri_cnt -= nvme_xri_cnt; - spin_unlock_irq(&phba->nvme_buf_list_get_lock); - } - - /* update xris associated to remaining allocated nvme buffers */ - lpfc_ncmd = NULL; - lpfc_ncmd_next = NULL; - list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, - &nvme_sgl_list, list) { - lxri = lpfc_sli4_next_xritag(phba); - if (lxri == NO_XRI) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "6075 Failed to allocate xri for " - "nvme buffer\n"); - rc = -ENOMEM; - goto out_free_mem; - } - lpfc_ncmd->cur_iocbq.sli4_lxritag = lxri; - lpfc_ncmd->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri]; - } - spin_lock_irq(&phba->nvme_buf_list_get_lock); - spin_lock(&phba->nvme_buf_list_put_lock); - list_splice_init(&nvme_sgl_list, &phba->lpfc_nvme_buf_list_get); - phba->get_nvme_bufs = cnt; - INIT_LIST_HEAD(&phba->lpfc_nvme_buf_list_put); - spin_unlock(&phba->nvme_buf_list_put_lock); - spin_unlock_irq(&phba->nvme_buf_list_get_lock); - return 0; - -out_free_mem: - lpfc_nvme_free(phba); - return rc; -} - -/** * lpfc_create_port - Create an FC port * @phba: pointer to lpfc hba data structure. * @instance: a unique integer ID to this FC port. @@ -5819,24 +5847,19 @@ lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba) "NVME" : " "), (phba->nvmet_support ? "NVMET" : " ")); - if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { - /* Initialize the scsi buffer list used by driver for scsi IO */ - spin_lock_init(&phba->scsi_buf_list_get_lock); - INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get); - spin_lock_init(&phba->scsi_buf_list_put_lock); - INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put); - } + /* Initialize the IO buffer list used by driver for SLI3 SCSI */ + spin_lock_init(&phba->scsi_buf_list_get_lock); + INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get); + spin_lock_init(&phba->scsi_buf_list_put_lock); + INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put); - if ((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) && - (phba->nvmet_support == 0)) { - /* Initialize the NVME buffer list used by driver for NVME IO */ - spin_lock_init(&phba->nvme_buf_list_get_lock); - INIT_LIST_HEAD(&phba->lpfc_nvme_buf_list_get); - phba->get_nvme_bufs = 0; - spin_lock_init(&phba->nvme_buf_list_put_lock); - INIT_LIST_HEAD(&phba->lpfc_nvme_buf_list_put); - phba->put_nvme_bufs = 0; - } + /* Initialize the IO buffer list used by driver for SLI4 SCSI/NVME */ + spin_lock_init(&phba->common_buf_list_get_lock); + INIT_LIST_HEAD(&phba->lpfc_common_buf_list_get); + phba->get_common_bufs = 0; + spin_lock_init(&phba->common_buf_list_put_lock); + INIT_LIST_HEAD(&phba->lpfc_common_buf_list_put); + phba->put_common_bufs = 0; /* Initialize the fabric iocb list */ INIT_LIST_HEAD(&phba->fabric_iocb_list); @@ -5877,7 +5900,7 @@ lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba) static int lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) { - int rc; + int rc, entry_sz; /* * Initialize timers used by driver @@ -5922,6 +5945,11 @@ lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) lpfc_template_no_hr.sg_tablesize = phba->cfg_sg_seg_cnt; lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; + if (phba->sli_rev == LPFC_SLI_REV4) + entry_sz = sizeof(struct sli4_sge); + else + entry_sz = sizeof(struct ulp_bde64); + /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */ if (phba->cfg_enable_bg) { /* @@ -5935,7 +5963,7 @@ lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) */ phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp) + - (LPFC_MAX_SG_SEG_CNT * sizeof(struct ulp_bde64)); + (LPFC_MAX_SG_SEG_CNT * entry_sz); if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SEG_CNT_DIF) phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT_DIF; @@ -5950,7 +5978,7 @@ lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) */ phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp) + - ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64)); + ((phba->cfg_sg_seg_cnt + 2) * entry_sz); /* Total BDEs in BPL for scsi_sg_list */ phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2; @@ -6875,11 +6903,8 @@ lpfc_init_sgl_list(struct lpfc_hba *phba) /* els xri-sgl book keeping */ phba->sli4_hba.els_xri_cnt = 0; - /* scsi xri-buffer book keeping */ - phba->sli4_hba.scsi_xri_cnt = 0; - /* nvme xri-buffer book keeping */ - phba->sli4_hba.nvme_xri_cnt = 0; + phba->sli4_hba.common_xri_cnt = 0; } /** @@ -10556,7 +10581,7 @@ static void lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba) { int wait_time = 0; - int nvme_xri_cmpl = 1; + int common_xri_cmpl = 1; int nvmet_xri_cmpl = 1; int fcp_xri_cmpl = 1; int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list); @@ -10575,13 +10600,13 @@ lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba) fcp_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list); if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { - nvme_xri_cmpl = + common_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_nvme_buf_list); nvmet_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list); } - while (!fcp_xri_cmpl || !els_xri_cmpl || !nvme_xri_cmpl || + while (!fcp_xri_cmpl || !els_xri_cmpl || !common_xri_cmpl || !nvmet_xri_cmpl) { if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) { if (!nvmet_xri_cmpl) @@ -10589,7 +10614,7 @@ lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba) "6424 NVMET XRI exchange busy " "wait time: %d seconds.\n", wait_time/1000); - if (!nvme_xri_cmpl) + if (!common_xri_cmpl) lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "6100 NVME XRI exchange busy " "wait time: %d seconds.\n", @@ -10611,7 +10636,7 @@ lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba) wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1; } if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { - nvme_xri_cmpl = list_empty( + common_xri_cmpl = list_empty( &phba->sli4_hba.lpfc_abts_nvme_buf_list); nvmet_xri_cmpl = list_empty( &phba->sli4_hba.lpfc_abts_nvmet_ctx_list); @@ -11190,6 +11215,8 @@ lpfc_pci_remove_one_s3(struct pci_dev *pdev) * corresponding pools here. */ lpfc_scsi_free(phba); + lpfc_free_iocb_list(phba); + lpfc_mem_free_all(phba); dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), @@ -11767,7 +11794,7 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) struct lpfc_hba *phba; struct lpfc_vport *vport = NULL; struct Scsi_Host *shost = NULL; - int error; + int error, len; uint32_t cfg_mode, intr_mode; /* Allocate memory for HBA structure */ @@ -11877,19 +11904,32 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) /* NVME support in FW earlier in the driver load corrects the * FC4 type making a check for nvme_support unnecessary. */ - if ((phba->nvmet_support == 0) && - (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) { - /* Create NVME binding with nvme_fc_transport. This - * ensures the vport is initialized. If the localport - * create fails, it should not unload the driver to - * support field issues. + if (phba->nvmet_support == 0) { + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { + /* Create NVME binding with nvme_fc_transport. This + * ensures the vport is initialized. If the localport + * create fails, it should not unload the driver to + * support field issues. + */ + error = lpfc_nvme_create_localport(vport); + if (error) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "6004 NVME registration " + "failed, error x%x\n", + error); + } + } + /* Don't post more new bufs if repost already recovered + * the nvme sgls. */ - error = lpfc_nvme_create_localport(vport); - if (error) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "6004 NVME registration failed, " - "error x%x\n", - error); + if (phba->sli4_hba.common_xri_cnt == 0) { + len = lpfc_new_common_buf( + phba, phba->sli4_hba.common_xri_max); + if (len == 0) { + error = -ENOMEM; + goto out_disable_intr; + } + phba->total_common_bufs += len; } } @@ -11989,8 +12029,7 @@ lpfc_pci_remove_one_s4(struct pci_dev *pdev) /* Perform scsi free before driver resource_unset since scsi * buffers are released to their corresponding pools here. */ - lpfc_scsi_free(phba); - lpfc_nvme_free(phba); + lpfc_common_free(phba); lpfc_free_iocb_list(phba); lpfc_unset_driver_resource_phase2(phba); diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c index d3e955f70894..1068a5a7b126 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.c +++ b/drivers/scsi/lpfc/lpfc_nvme.c @@ -783,7 +783,7 @@ lpfc_nvme_adj_fcp_sgls(struct lpfc_vport *vport, * rather than the virtual memory to ease the restore * operation. */ - sgl = lpfc_ncmd->nvme_sgl; + sgl = lpfc_ncmd->dma_sgl; sgl->sge_len = cpu_to_le32(nCmd->cmdlen); if (phba->cfg_nvme_embed_cmd) { sgl->addr_hi = 0; @@ -1291,7 +1291,7 @@ lpfc_nvme_prep_io_dma(struct lpfc_vport *vport, struct lpfc_hba *phba = vport->phba; struct nvmefc_fcp_req *nCmd = lpfc_ncmd->nvmeCmd; union lpfc_wqe128 *wqe = &lpfc_ncmd->cur_iocbq.wqe; - struct sli4_sge *sgl = lpfc_ncmd->nvme_sgl; + struct sli4_sge *sgl = lpfc_ncmd->dma_sgl; struct scatterlist *data_sg; struct sli4_sge *first_data_sgl; struct ulp_bde64 *bde; @@ -1380,6 +1380,8 @@ lpfc_nvme_prep_io_dma(struct lpfc_vport *vport, } } else { + lpfc_ncmd->seg_cnt = 0; + /* For this clause to be valid, the payload_length * and sg_cnt must zero. */ @@ -1571,7 +1573,7 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport, freqpriv->nvme_buf = lpfc_ncmd; lpfc_ncmd->nvmeCmd = pnvme_fcreq; lpfc_ncmd->ndlp = ndlp; - lpfc_ncmd->start_time = jiffies; + lpfc_ncmd->qidx = lpfc_queue_info->qidx; /* * Issue the IO on the WQ indicated by index in the hw_queue_handle. @@ -1910,422 +1912,25 @@ static struct nvme_fc_port_template lpfc_nvme_template = { .fcprqst_priv_sz = sizeof(struct lpfc_nvme_fcpreq_priv), }; -/** - * lpfc_sli4_post_nvme_sgl_block - post a block of nvme sgl list to firmware - * @phba: pointer to lpfc hba data structure. - * @nblist: pointer to nvme buffer list. - * @count: number of scsi buffers on the list. - * - * This routine is invoked to post a block of @count scsi sgl pages from a - * SCSI buffer list @nblist to the HBA using non-embedded mailbox command. - * No Lock is held. - * - **/ -static int -lpfc_sli4_post_nvme_sgl_block(struct lpfc_hba *phba, - struct list_head *nblist, - int count) -{ - struct lpfc_nvme_buf *lpfc_ncmd; - struct lpfc_mbx_post_uembed_sgl_page1 *sgl; - struct sgl_page_pairs *sgl_pg_pairs; - void *viraddr; - LPFC_MBOXQ_t *mbox; - uint32_t reqlen, alloclen, pg_pairs; - uint32_t mbox_tmo; - uint16_t xritag_start = 0; - int rc = 0; - uint32_t shdr_status, shdr_add_status; - dma_addr_t pdma_phys_bpl1; - union lpfc_sli4_cfg_shdr *shdr; - - /* Calculate the requested length of the dma memory */ - reqlen = count * sizeof(struct sgl_page_pairs) + - sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t); - if (reqlen > SLI4_PAGE_SIZE) { - lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, - "6118 Block sgl registration required DMA " - "size (%d) great than a page\n", reqlen); - return -ENOMEM; - } - mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - if (!mbox) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "6119 Failed to allocate mbox cmd memory\n"); - return -ENOMEM; - } - - /* Allocate DMA memory and set up the non-embedded mailbox command */ - alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, - LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, reqlen, - LPFC_SLI4_MBX_NEMBED); - - if (alloclen < reqlen) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "6120 Allocated DMA memory size (%d) is " - "less than the requested DMA memory " - "size (%d)\n", alloclen, reqlen); - lpfc_sli4_mbox_cmd_free(phba, mbox); - return -ENOMEM; - } - - /* Get the first SGE entry from the non-embedded DMA memory */ - viraddr = mbox->sge_array->addr[0]; - - /* Set up the SGL pages in the non-embedded DMA pages */ - sgl = (struct lpfc_mbx_post_uembed_sgl_page1 *)viraddr; - sgl_pg_pairs = &sgl->sgl_pg_pairs; - - pg_pairs = 0; - list_for_each_entry(lpfc_ncmd, nblist, list) { - /* Set up the sge entry */ - sgl_pg_pairs->sgl_pg0_addr_lo = - cpu_to_le32(putPaddrLow(lpfc_ncmd->dma_phys_sgl)); - sgl_pg_pairs->sgl_pg0_addr_hi = - cpu_to_le32(putPaddrHigh(lpfc_ncmd->dma_phys_sgl)); - if (phba->cfg_sg_dma_buf_size > SGL_PAGE_SIZE) - pdma_phys_bpl1 = lpfc_ncmd->dma_phys_sgl + - SGL_PAGE_SIZE; - else - pdma_phys_bpl1 = 0; - sgl_pg_pairs->sgl_pg1_addr_lo = - cpu_to_le32(putPaddrLow(pdma_phys_bpl1)); - sgl_pg_pairs->sgl_pg1_addr_hi = - cpu_to_le32(putPaddrHigh(pdma_phys_bpl1)); - /* Keep the first xritag on the list */ - if (pg_pairs == 0) - xritag_start = lpfc_ncmd->cur_iocbq.sli4_xritag; - sgl_pg_pairs++; - pg_pairs++; - } - bf_set(lpfc_post_sgl_pages_xri, sgl, xritag_start); - bf_set(lpfc_post_sgl_pages_xricnt, sgl, pg_pairs); - /* Perform endian conversion if necessary */ - sgl->word0 = cpu_to_le32(sgl->word0); - - if (!phba->sli4_hba.intr_enable) - rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); - else { - mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); - rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); - } - shdr = (union lpfc_sli4_cfg_shdr *)&sgl->cfg_shdr; - shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); - shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); - if (rc != MBX_TIMEOUT) - lpfc_sli4_mbox_cmd_free(phba, mbox); - if (shdr_status || shdr_add_status || rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "6125 POST_SGL_BLOCK mailbox command failed " - "status x%x add_status x%x mbx status x%x\n", - shdr_status, shdr_add_status, rc); - rc = -ENXIO; - } - return rc; -} - -/** - * lpfc_post_nvme_sgl_list - Post blocks of nvme buffer sgls from a list - * @phba: pointer to lpfc hba data structure. - * @post_nblist: pointer to the nvme buffer list. - * - * This routine walks a list of nvme buffers that was passed in. It attempts - * to construct blocks of nvme buffer sgls which contains contiguous xris and - * uses the non-embedded SGL block post mailbox commands to post to the port. - * For single NVME buffer sgl with non-contiguous xri, if any, it shall use - * embedded SGL post mailbox command for posting. The @post_nblist passed in - * must be local list, thus no lock is needed when manipulate the list. - * - * Returns: 0 = failure, non-zero number of successfully posted buffers. - **/ -static int -lpfc_post_nvme_sgl_list(struct lpfc_hba *phba, - struct list_head *post_nblist, int sb_count) -{ - struct lpfc_nvme_buf *lpfc_ncmd, *lpfc_ncmd_next; - int status, sgl_size; - int post_cnt = 0, block_cnt = 0, num_posting = 0, num_posted = 0; - dma_addr_t pdma_phys_sgl1; - int last_xritag = NO_XRI; - int cur_xritag; - LIST_HEAD(prep_nblist); - LIST_HEAD(blck_nblist); - LIST_HEAD(nvme_nblist); - - /* sanity check */ - if (sb_count <= 0) - return -EINVAL; - - sgl_size = phba->cfg_sg_dma_buf_size; - - list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, post_nblist, list) { - list_del_init(&lpfc_ncmd->list); - block_cnt++; - if ((last_xritag != NO_XRI) && - (lpfc_ncmd->cur_iocbq.sli4_xritag != last_xritag + 1)) { - /* a hole in xri block, form a sgl posting block */ - list_splice_init(&prep_nblist, &blck_nblist); - post_cnt = block_cnt - 1; - /* prepare list for next posting block */ - list_add_tail(&lpfc_ncmd->list, &prep_nblist); - block_cnt = 1; - } else { - /* prepare list for next posting block */ - list_add_tail(&lpfc_ncmd->list, &prep_nblist); - /* enough sgls for non-embed sgl mbox command */ - if (block_cnt == LPFC_NEMBED_MBOX_SGL_CNT) { - list_splice_init(&prep_nblist, &blck_nblist); - post_cnt = block_cnt; - block_cnt = 0; - } - } - num_posting++; - last_xritag = lpfc_ncmd->cur_iocbq.sli4_xritag; - - /* end of repost sgl list condition for NVME buffers */ - if (num_posting == sb_count) { - if (post_cnt == 0) { - /* last sgl posting block */ - list_splice_init(&prep_nblist, &blck_nblist); - post_cnt = block_cnt; - } else if (block_cnt == 1) { - /* last single sgl with non-contiguous xri */ - if (sgl_size > SGL_PAGE_SIZE) - pdma_phys_sgl1 = - lpfc_ncmd->dma_phys_sgl + - SGL_PAGE_SIZE; - else - pdma_phys_sgl1 = 0; - cur_xritag = lpfc_ncmd->cur_iocbq.sli4_xritag; - status = lpfc_sli4_post_sgl(phba, - lpfc_ncmd->dma_phys_sgl, - pdma_phys_sgl1, cur_xritag); - if (status) { - /* failure, put on abort nvme list */ - lpfc_ncmd->flags |= LPFC_SBUF_XBUSY; - } else { - /* success, put on NVME buffer list */ - lpfc_ncmd->flags &= ~LPFC_SBUF_XBUSY; - lpfc_ncmd->status = IOSTAT_SUCCESS; - num_posted++; - } - /* success, put on NVME buffer sgl list */ - list_add_tail(&lpfc_ncmd->list, &nvme_nblist); - } - } - - /* continue until a nembed page worth of sgls */ - if (post_cnt == 0) - continue; - - /* post block of NVME buffer list sgls */ - status = lpfc_sli4_post_nvme_sgl_block(phba, &blck_nblist, - post_cnt); - - /* don't reset xirtag due to hole in xri block */ - if (block_cnt == 0) - last_xritag = NO_XRI; - - /* reset NVME buffer post count for next round of posting */ - post_cnt = 0; - - /* put posted NVME buffer-sgl posted on NVME buffer sgl list */ - while (!list_empty(&blck_nblist)) { - list_remove_head(&blck_nblist, lpfc_ncmd, - struct lpfc_nvme_buf, list); - if (status) { - /* failure, put on abort nvme list */ - lpfc_ncmd->flags |= LPFC_SBUF_XBUSY; - } else { - /* success, put on NVME buffer list */ - lpfc_ncmd->flags &= ~LPFC_SBUF_XBUSY; - lpfc_ncmd->status = IOSTAT_SUCCESS; - num_posted++; - } - list_add_tail(&lpfc_ncmd->list, &nvme_nblist); - } - } - /* Push NVME buffers with sgl posted to the available list */ - while (!list_empty(&nvme_nblist)) { - list_remove_head(&nvme_nblist, lpfc_ncmd, - struct lpfc_nvme_buf, list); - lpfc_release_nvme_buf(phba, lpfc_ncmd); - } - return num_posted; -} - -/** - * lpfc_repost_nvme_sgl_list - Repost all the allocated nvme buffer sgls - * @phba: pointer to lpfc hba data structure. - * - * This routine walks the list of nvme buffers that have been allocated and - * repost them to the port by using SGL block post. This is needed after a - * pci_function_reset/warm_start or start. The lpfc_hba_down_post_s4 routine - * is responsible for moving all nvme buffers on the lpfc_abts_nvme_sgl_list - * to the lpfc_nvme_buf_list. If the repost fails, reject all nvme buffers. - * - * Returns: 0 = success, non-zero failure. - **/ -int -lpfc_repost_nvme_sgl_list(struct lpfc_hba *phba) -{ - LIST_HEAD(post_nblist); - int num_posted, rc = 0; - - /* get all NVME buffers need to repost to a local list */ - spin_lock_irq(&phba->nvme_buf_list_get_lock); - spin_lock(&phba->nvme_buf_list_put_lock); - list_splice_init(&phba->lpfc_nvme_buf_list_get, &post_nblist); - list_splice(&phba->lpfc_nvme_buf_list_put, &post_nblist); - phba->get_nvme_bufs = 0; - phba->put_nvme_bufs = 0; - spin_unlock(&phba->nvme_buf_list_put_lock); - spin_unlock_irq(&phba->nvme_buf_list_get_lock); - - /* post the list of nvme buffer sgls to port if available */ - if (!list_empty(&post_nblist)) { - num_posted = lpfc_post_nvme_sgl_list(phba, &post_nblist, - phba->sli4_hba.nvme_xri_cnt); - /* failed to post any nvme buffer, return error */ - if (num_posted == 0) - rc = -EIO; - } - return rc; -} - -/** - * lpfc_new_nvme_buf - Scsi buffer allocator for HBA with SLI4 IF spec - * @vport: The virtual port for which this call being executed. - * @num_to_allocate: The requested number of buffers to allocate. - * - * This routine allocates nvme buffers for device with SLI-4 interface spec, - * the nvme buffer contains all the necessary information needed to initiate - * a NVME I/O. After allocating up to @num_to_allocate NVME buffers and put - * them on a list, it post them to the port by using SGL block post. - * - * Return codes: - * int - number of nvme buffers that were allocated and posted. - * 0 = failure, less than num_to_alloc is a partial failure. - **/ -static int -lpfc_new_nvme_buf(struct lpfc_vport *vport, int num_to_alloc) -{ - struct lpfc_hba *phba = vport->phba; - struct lpfc_nvme_buf *lpfc_ncmd; - struct lpfc_iocbq *pwqeq; - union lpfc_wqe128 *wqe; - struct sli4_sge *sgl; - dma_addr_t pdma_phys_sgl; - uint16_t iotag, lxri = 0; - int bcnt, num_posted; - LIST_HEAD(prep_nblist); - LIST_HEAD(post_nblist); - LIST_HEAD(nvme_nblist); - - for (bcnt = 0; bcnt < num_to_alloc; bcnt++) { - lpfc_ncmd = kzalloc(sizeof(struct lpfc_nvme_buf), GFP_KERNEL); - if (!lpfc_ncmd) - break; - /* - * Get memory from the pci pool to map the virt space to - * pci bus space for an I/O. The DMA buffer includes the - * number of SGE's necessary to support the sg_tablesize. - */ - lpfc_ncmd->data = dma_pool_zalloc(phba->lpfc_sg_dma_buf_pool, - GFP_KERNEL, - &lpfc_ncmd->dma_handle); - if (!lpfc_ncmd->data) { - kfree(lpfc_ncmd); - break; - } - - lxri = lpfc_sli4_next_xritag(phba); - if (lxri == NO_XRI) { - dma_pool_free(phba->lpfc_sg_dma_buf_pool, - lpfc_ncmd->data, lpfc_ncmd->dma_handle); - kfree(lpfc_ncmd); - break; - } - pwqeq = &(lpfc_ncmd->cur_iocbq); - wqe = &pwqeq->wqe; - - /* Allocate iotag for lpfc_ncmd->cur_iocbq. */ - iotag = lpfc_sli_next_iotag(phba, pwqeq); - if (iotag == 0) { - dma_pool_free(phba->lpfc_sg_dma_buf_pool, - lpfc_ncmd->data, lpfc_ncmd->dma_handle); - kfree(lpfc_ncmd); - lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, - "6121 Failed to allocated IOTAG for" - " XRI:0x%x\n", lxri); - lpfc_sli4_free_xri(phba, lxri); - break; - } - pwqeq->sli4_lxritag = lxri; - pwqeq->sli4_xritag = phba->sli4_hba.xri_ids[lxri]; - pwqeq->iocb_flag |= LPFC_IO_NVME; - pwqeq->context1 = lpfc_ncmd; - pwqeq->wqe_cmpl = lpfc_nvme_io_cmd_wqe_cmpl; - - /* Initialize local short-hand pointers. */ - lpfc_ncmd->nvme_sgl = lpfc_ncmd->data; - sgl = lpfc_ncmd->nvme_sgl; - pdma_phys_sgl = lpfc_ncmd->dma_handle; - lpfc_ncmd->dma_phys_sgl = pdma_phys_sgl; - - /* Rsp SGE will be filled in when we rcv an IO - * from the NVME Layer to be sent. - * The cmd is going to be embedded so we need a SKIP SGE. - */ - bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_SKIP); - bf_set(lpfc_sli4_sge_last, sgl, 0); - sgl->word2 = cpu_to_le32(sgl->word2); - /* Fill in word 3 / sgl_len during cmd submission */ - - lpfc_ncmd->cur_iocbq.context1 = lpfc_ncmd; - - /* Initialize WQE */ - memset(wqe, 0, sizeof(union lpfc_wqe)); - - /* add the nvme buffer to a post list */ - list_add_tail(&lpfc_ncmd->list, &post_nblist); - spin_lock_irq(&phba->nvme_buf_list_get_lock); - phba->sli4_hba.nvme_xri_cnt++; - spin_unlock_irq(&phba->nvme_buf_list_get_lock); - } - lpfc_printf_log(phba, KERN_INFO, LOG_NVME, - "6114 Allocate %d out of %d requested new NVME " - "buffers\n", bcnt, num_to_alloc); - - /* post the list of nvme buffer sgls to port if available */ - if (!list_empty(&post_nblist)) - num_posted = lpfc_post_nvme_sgl_list(phba, - &post_nblist, bcnt); - else - num_posted = 0; - - return num_posted; -} - static inline struct lpfc_nvme_buf * lpfc_nvme_buf(struct lpfc_hba *phba) { struct lpfc_nvme_buf *lpfc_ncmd, *lpfc_ncmd_next; list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, - &phba->lpfc_nvme_buf_list_get, list) { + &phba->lpfc_common_buf_list_get, list) { list_del_init(&lpfc_ncmd->list); - phba->get_nvme_bufs--; + phba->get_common_bufs--; return lpfc_ncmd; } return NULL; } /** - * lpfc_get_nvme_buf - Get a nvme buffer from lpfc_nvme_buf_list of the HBA + * lpfc_get_nvme_buf - Get a nvme buffer from lpfc_common_buf_list of the HBA * @phba: The HBA for which this call is being executed. * - * This routine removes a nvme buffer from head of @phba lpfc_nvme_buf_list list + * This routine removes a nvme buffer from head of @phba lpfc_common_buf_list * and returns to caller. * * Return codes: @@ -2337,27 +1942,57 @@ lpfc_get_nvme_buf(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, int expedite) { struct lpfc_nvme_buf *lpfc_ncmd = NULL; + struct sli4_sge *sgl; + struct lpfc_iocbq *pwqeq; + union lpfc_wqe128 *wqe; unsigned long iflag = 0; - spin_lock_irqsave(&phba->nvme_buf_list_get_lock, iflag); - if (phba->get_nvme_bufs > LPFC_NVME_EXPEDITE_XRICNT || expedite) + spin_lock_irqsave(&phba->common_buf_list_get_lock, iflag); + if (phba->get_common_bufs > LPFC_NVME_EXPEDITE_XRICNT || expedite) lpfc_ncmd = lpfc_nvme_buf(phba); if (!lpfc_ncmd) { - spin_lock(&phba->nvme_buf_list_put_lock); - list_splice(&phba->lpfc_nvme_buf_list_put, - &phba->lpfc_nvme_buf_list_get); - phba->get_nvme_bufs += phba->put_nvme_bufs; - INIT_LIST_HEAD(&phba->lpfc_nvme_buf_list_put); - phba->put_nvme_bufs = 0; - spin_unlock(&phba->nvme_buf_list_put_lock); - if (phba->get_nvme_bufs > LPFC_NVME_EXPEDITE_XRICNT || expedite) + spin_lock(&phba->common_buf_list_put_lock); + list_splice(&phba->lpfc_common_buf_list_put, + &phba->lpfc_common_buf_list_get); + phba->get_common_bufs += phba->put_common_bufs; + INIT_LIST_HEAD(&phba->lpfc_common_buf_list_put); + phba->put_common_bufs = 0; + spin_unlock(&phba->common_buf_list_put_lock); + if (phba->get_common_bufs > LPFC_NVME_EXPEDITE_XRICNT || + expedite) lpfc_ncmd = lpfc_nvme_buf(phba); } - spin_unlock_irqrestore(&phba->nvme_buf_list_get_lock, iflag); + spin_unlock_irqrestore(&phba->common_buf_list_get_lock, iflag); + + if (lpfc_ncmd) { + pwqeq = &(lpfc_ncmd->cur_iocbq); + wqe = &pwqeq->wqe; + + /* Setup key fields in buffer that may have been changed + * if other protocols used this buffer. + */ + pwqeq->iocb_flag = LPFC_IO_NVME; + pwqeq->wqe_cmpl = lpfc_nvme_io_cmd_wqe_cmpl; + lpfc_ncmd->start_time = jiffies; + lpfc_ncmd->flags = 0; + + /* Rsp SGE will be filled in when we rcv an IO + * from the NVME Layer to be sent. + * The cmd is going to be embedded so we need a SKIP SGE. + */ + sgl = lpfc_ncmd->dma_sgl; + bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_SKIP); + bf_set(lpfc_sli4_sge_last, sgl, 0); + sgl->word2 = cpu_to_le32(sgl->word2); + /* Fill in word 3 / sgl_len during cmd submission */ + + /* Initialize WQE */ + memset(wqe, 0, sizeof(union lpfc_wqe)); - if (lpfc_ndlp_check_qdepth(phba, ndlp) && lpfc_ncmd) { - atomic_inc(&ndlp->cmd_pending); - lpfc_ncmd->flags |= LPFC_BUMP_QDEPTH; + if (lpfc_ndlp_check_qdepth(phba, ndlp)) { + atomic_inc(&ndlp->cmd_pending); + lpfc_ncmd->flags |= LPFC_BUMP_QDEPTH; + } } return lpfc_ncmd; } @@ -2368,7 +2003,7 @@ lpfc_get_nvme_buf(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, * @lpfc_ncmd: The nvme buffer which is being released. * * This routine releases @lpfc_ncmd nvme buffer by adding it to tail of @phba - * lpfc_nvme_buf_list list. For SLI4 XRI's are tied to the nvme buffer + * lpfc_common_buf_list list. For SLI4 XRI's are tied to the nvme buffer * and cannot be reused for at least RA_TOV amount of time if it was * aborted. **/ @@ -2380,7 +2015,6 @@ lpfc_release_nvme_buf(struct lpfc_hba *phba, struct lpfc_nvme_buf *lpfc_ncmd) if ((lpfc_ncmd->flags & LPFC_BUMP_QDEPTH) && lpfc_ncmd->ndlp) atomic_dec(&lpfc_ncmd->ndlp->cmd_pending); - lpfc_ncmd->nonsg_phys = 0; lpfc_ncmd->ndlp = NULL; lpfc_ncmd->flags &= ~LPFC_BUMP_QDEPTH; @@ -2398,12 +2032,14 @@ lpfc_release_nvme_buf(struct lpfc_hba *phba, struct lpfc_nvme_buf *lpfc_ncmd) spin_unlock_irqrestore(&phba->sli4_hba.abts_nvme_buf_list_lock, iflag); } else { + /* MUST zero fields if buffer is reused by another protocol */ lpfc_ncmd->nvmeCmd = NULL; - lpfc_ncmd->cur_iocbq.iocb_flag = LPFC_IO_NVME; - spin_lock_irqsave(&phba->nvme_buf_list_put_lock, iflag); - list_add_tail(&lpfc_ncmd->list, &phba->lpfc_nvme_buf_list_put); - phba->put_nvme_bufs++; - spin_unlock_irqrestore(&phba->nvme_buf_list_put_lock, iflag); + lpfc_ncmd->cur_iocbq.wqe_cmpl = NULL; + spin_lock_irqsave(&phba->common_buf_list_put_lock, iflag); + list_add_tail(&lpfc_ncmd->list, + &phba->lpfc_common_buf_list_put); + phba->put_common_bufs++; + spin_unlock_irqrestore(&phba->common_buf_list_put_lock, iflag); } } @@ -2432,7 +2068,7 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport) struct nvme_fc_local_port *localport; struct lpfc_nvme_lport *lport; struct lpfc_nvme_ctrl_stat *cstat; - int len, i; + int i; /* Initialize this localport instance. The vport wwn usage ensures * that NPIV is accounted for. @@ -2501,18 +2137,8 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport) atomic_set(&cstat->fc4NvmeControlRequests, 0); atomic_set(&cstat->fc4NvmeIoCmpls, 0); } - - /* Don't post more new bufs if repost already recovered - * the nvme sgls. - */ - if (phba->sli4_hba.nvme_xri_cnt == 0) { - len = lpfc_new_nvme_buf(vport, - phba->sli4_hba.nvme_xri_max); - vport->phba->total_nvme_bufs += len; - } - } else { + } else kfree(cstat); - } return ret; } diff --git a/drivers/scsi/lpfc/lpfc_nvme.h b/drivers/scsi/lpfc/lpfc_nvme.h index 7a636bde326f..e3a554417e98 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.h +++ b/drivers/scsi/lpfc/lpfc_nvme.h @@ -77,7 +77,15 @@ struct lpfc_nvme_rport { }; struct lpfc_nvme_buf { + /* Common fields */ struct list_head list; + void *data; + dma_addr_t dma_handle; + dma_addr_t dma_phys_sgl; + struct sli4_sge *dma_sgl; + struct lpfc_iocbq cur_iocbq; + + /* NVME specific fields */ struct nvmefc_fcp_req *nvmeCmd; struct lpfc_nodelist *ndlp; @@ -87,36 +95,19 @@ struct lpfc_nvme_buf { #define LPFC_SBUF_XBUSY 0x1 /* SLI4 hba reported XB on WCQE cmpl */ #define LPFC_BUMP_QDEPTH 0x2 /* bumped queue depth counter */ uint16_t exch_busy; /* SLI4 hba reported XB on complete WCQE */ - uint16_t status; /* From IOCB Word 7- ulpStatus */ uint16_t cpu; - uint16_t qidx; - uint16_t sqid; + uint16_t status; /* From IOCB Word 7- ulpStatus */ uint32_t result; /* From IOCB Word 4. */ uint32_t seg_cnt; /* Number of scatter-gather segments returned by * dma_map_sg. The driver needs this for calls * to dma_unmap_sg. */ - dma_addr_t nonsg_phys; /* Non scatter-gather physical address. */ - - /* - * data and dma_handle are the kernel virtual and bus address of the - * dma-able buffer containing the fcp_cmd, fcp_rsp and a scatter - * gather bde list that supports the sg_tablesize value. - */ - void *data; - dma_addr_t dma_handle; - - struct sli4_sge *nvme_sgl; - dma_addr_t dma_phys_sgl; - - /* cur_iocbq has phys of the dma-able buffer. - * Iotag is in here - */ - struct lpfc_iocbq cur_iocbq; - wait_queue_head_t *waitq; unsigned long start_time; + + uint16_t qidx; + #ifdef CONFIG_SCSI_LPFC_DEBUG_FS uint64_t ts_cmd_start; uint64_t ts_last_cmd; diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index b4f1a840b3b4..2e73331cf53a 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -182,7 +182,7 @@ static void lpfc_sli4_set_rsp_sgl_last(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) { - struct sli4_sge *sgl = (struct sli4_sge *)lpfc_cmd->fcp_bpl; + struct sli4_sge *sgl = (struct sli4_sge *)lpfc_cmd->dma_sgl; if (sgl) { sgl += 1; sgl->word2 = le32_to_cpu(sgl->word2); @@ -394,7 +394,7 @@ lpfc_new_scsi_buf_s3(struct lpfc_vport *vport, int num_to_alloc) IOCB_t *iocb; dma_addr_t pdma_phys_fcp_cmd; dma_addr_t pdma_phys_fcp_rsp; - dma_addr_t pdma_phys_bpl; + dma_addr_t pdma_phys_sgl; uint16_t iotag; int bcnt, bpl_size; @@ -438,14 +438,14 @@ lpfc_new_scsi_buf_s3(struct lpfc_vport *vport, int num_to_alloc) psb->fcp_cmnd = psb->data; psb->fcp_rsp = psb->data + sizeof(struct fcp_cmnd); - psb->fcp_bpl = psb->data + sizeof(struct fcp_cmnd) + + psb->dma_sgl = psb->data + sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp); /* Initialize local short-hand pointers. */ - bpl = psb->fcp_bpl; + bpl = psb->dma_sgl; pdma_phys_fcp_cmd = psb->dma_handle; pdma_phys_fcp_rsp = psb->dma_handle + sizeof(struct fcp_cmnd); - pdma_phys_bpl = psb->dma_handle + sizeof(struct fcp_cmnd) + + pdma_phys_sgl = psb->dma_handle + sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp); /* @@ -496,9 +496,9 @@ lpfc_new_scsi_buf_s3(struct lpfc_vport *vport, int num_to_alloc) iocb->un.fcpi64.bdl.bdeSize = (2 * sizeof(struct ulp_bde64)); iocb->un.fcpi64.bdl.addrLow = - putPaddrLow(pdma_phys_bpl); + putPaddrLow(pdma_phys_sgl); iocb->un.fcpi64.bdl.addrHigh = - putPaddrHigh(pdma_phys_bpl); + putPaddrHigh(pdma_phys_sgl); iocb->ulpBdeCount = 1; iocb->ulpLe = 1; } @@ -614,359 +614,6 @@ lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *phba, } /** - * lpfc_sli4_post_scsi_sgl_list - Post blocks of scsi buffer sgls from a list - * @phba: pointer to lpfc hba data structure. - * @post_sblist: pointer to the scsi buffer list. - * - * This routine walks a list of scsi buffers that was passed in. It attempts - * to construct blocks of scsi buffer sgls which contains contiguous xris and - * uses the non-embedded SGL block post mailbox commands to post to the port. - * For single SCSI buffer sgl with non-contiguous xri, if any, it shall use - * embedded SGL post mailbox command for posting. The @post_sblist passed in - * must be local list, thus no lock is needed when manipulate the list. - * - * Returns: 0 = failure, non-zero number of successfully posted buffers. - **/ -static int -lpfc_sli4_post_scsi_sgl_list(struct lpfc_hba *phba, - struct list_head *post_sblist, int sb_count) -{ - struct lpfc_scsi_buf *psb, *psb_next; - int status, sgl_size; - int post_cnt = 0, block_cnt = 0, num_posting = 0, num_posted = 0; - dma_addr_t pdma_phys_bpl1; - int last_xritag = NO_XRI; - LIST_HEAD(prep_sblist); - LIST_HEAD(blck_sblist); - LIST_HEAD(scsi_sblist); - - /* sanity check */ - if (sb_count <= 0) - return -EINVAL; - - sgl_size = phba->cfg_sg_dma_buf_size - - (sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp)); - - list_for_each_entry_safe(psb, psb_next, post_sblist, list) { - list_del_init(&psb->list); - block_cnt++; - if ((last_xritag != NO_XRI) && - (psb->cur_iocbq.sli4_xritag != last_xritag + 1)) { - /* a hole in xri block, form a sgl posting block */ - list_splice_init(&prep_sblist, &blck_sblist); - post_cnt = block_cnt - 1; - /* prepare list for next posting block */ - list_add_tail(&psb->list, &prep_sblist); - block_cnt = 1; - } else { - /* prepare list for next posting block */ - list_add_tail(&psb->list, &prep_sblist); - /* enough sgls for non-embed sgl mbox command */ - if (block_cnt == LPFC_NEMBED_MBOX_SGL_CNT) { - list_splice_init(&prep_sblist, &blck_sblist); - post_cnt = block_cnt; - block_cnt = 0; - } - } - num_posting++; - last_xritag = psb->cur_iocbq.sli4_xritag; - - /* end of repost sgl list condition for SCSI buffers */ - if (num_posting == sb_count) { - if (post_cnt == 0) { - /* last sgl posting block */ - list_splice_init(&prep_sblist, &blck_sblist); - post_cnt = block_cnt; - } else if (block_cnt == 1) { - /* last single sgl with non-contiguous xri */ - if (sgl_size > SGL_PAGE_SIZE) - pdma_phys_bpl1 = psb->dma_phys_bpl + - SGL_PAGE_SIZE; - else - pdma_phys_bpl1 = 0; - status = lpfc_sli4_post_sgl(phba, - psb->dma_phys_bpl, - pdma_phys_bpl1, - psb->cur_iocbq.sli4_xritag); - if (status) { - /* failure, put on abort scsi list */ - psb->exch_busy = 1; - } else { - /* success, put on SCSI buffer list */ - psb->exch_busy = 0; - psb->status = IOSTAT_SUCCESS; - num_posted++; - } - /* success, put on SCSI buffer sgl list */ - list_add_tail(&psb->list, &scsi_sblist); - } - } - - /* continue until a nembed page worth of sgls */ - if (post_cnt == 0) - continue; - - /* post block of SCSI buffer list sgls */ - status = lpfc_sli4_post_scsi_sgl_block(phba, &blck_sblist, - post_cnt); - - /* don't reset xirtag due to hole in xri block */ - if (block_cnt == 0) - last_xritag = NO_XRI; - - /* reset SCSI buffer post count for next round of posting */ - post_cnt = 0; - - /* put posted SCSI buffer-sgl posted on SCSI buffer sgl list */ - while (!list_empty(&blck_sblist)) { - list_remove_head(&blck_sblist, psb, - struct lpfc_scsi_buf, list); - if (status) { - /* failure, put on abort scsi list */ - psb->exch_busy = 1; - } else { - /* success, put on SCSI buffer list */ - psb->exch_busy = 0; - psb->status = IOSTAT_SUCCESS; - num_posted++; - } - list_add_tail(&psb->list, &scsi_sblist); - } - } - /* Push SCSI buffers with sgl posted to the availble list */ - while (!list_empty(&scsi_sblist)) { - list_remove_head(&scsi_sblist, psb, - struct lpfc_scsi_buf, list); - lpfc_release_scsi_buf_s4(phba, psb); - } - return num_posted; -} - -/** - * lpfc_sli4_repost_scsi_sgl_list - Repost all the allocated scsi buffer sgls - * @phba: pointer to lpfc hba data structure. - * - * This routine walks the list of scsi buffers that have been allocated and - * repost them to the port by using SGL block post. This is needed after a - * pci_function_reset/warm_start or start. The lpfc_hba_down_post_s4 routine - * is responsible for moving all scsi buffers on the lpfc_abts_scsi_sgl_list - * to the lpfc_scsi_buf_list. If the repost fails, reject all scsi buffers. - * - * Returns: 0 = success, non-zero failure. - **/ -int -lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *phba) -{ - LIST_HEAD(post_sblist); - int num_posted, rc = 0; - - /* get all SCSI buffers need to repost to a local list */ - spin_lock_irq(&phba->scsi_buf_list_get_lock); - spin_lock(&phba->scsi_buf_list_put_lock); - list_splice_init(&phba->lpfc_scsi_buf_list_get, &post_sblist); - list_splice(&phba->lpfc_scsi_buf_list_put, &post_sblist); - spin_unlock(&phba->scsi_buf_list_put_lock); - spin_unlock_irq(&phba->scsi_buf_list_get_lock); - - /* post the list of scsi buffer sgls to port if available */ - if (!list_empty(&post_sblist)) { - num_posted = lpfc_sli4_post_scsi_sgl_list(phba, &post_sblist, - phba->sli4_hba.scsi_xri_cnt); - /* failed to post any scsi buffer, return error */ - if (num_posted == 0) - rc = -EIO; - } - return rc; -} - -/** - * lpfc_new_scsi_buf_s4 - Scsi buffer allocator for HBA with SLI4 IF spec - * @vport: The virtual port for which this call being executed. - * @num_to_allocate: The requested number of buffers to allocate. - * - * This routine allocates scsi buffers for device with SLI-4 interface spec, - * the scsi buffer contains all the necessary information needed to initiate - * a SCSI I/O. After allocating up to @num_to_allocate SCSI buffers and put - * them on a list, it post them to the port by using SGL block post. - * - * Return codes: - * int - number of scsi buffers that were allocated and posted. - * 0 = failure, less than num_to_alloc is a partial failure. - **/ -static int -lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc) -{ - struct lpfc_hba *phba = vport->phba; - struct lpfc_scsi_buf *psb; - struct sli4_sge *sgl; - IOCB_t *iocb; - dma_addr_t pdma_phys_fcp_cmd; - dma_addr_t pdma_phys_fcp_rsp; - dma_addr_t pdma_phys_bpl; - uint16_t iotag, lxri = 0; - int bcnt, num_posted, sgl_size; - LIST_HEAD(prep_sblist); - LIST_HEAD(post_sblist); - LIST_HEAD(scsi_sblist); - - sgl_size = phba->cfg_sg_dma_buf_size - - (sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp)); - - lpfc_printf_vlog(vport, KERN_INFO, LOG_FCP, - "9068 ALLOC %d scsi_bufs: %d (%d + %d + %d)\n", - num_to_alloc, phba->cfg_sg_dma_buf_size, sgl_size, - (int)sizeof(struct fcp_cmnd), - (int)sizeof(struct fcp_rsp)); - - for (bcnt = 0; bcnt < num_to_alloc; bcnt++) { - psb = kzalloc(sizeof(struct lpfc_scsi_buf), GFP_KERNEL); - if (!psb) - break; - /* - * Get memory from the pci pool to map the virt space to - * pci bus space for an I/O. The DMA buffer includes space - * for the struct fcp_cmnd, struct fcp_rsp and the number - * of bde's necessary to support the sg_tablesize. - */ - psb->data = dma_pool_zalloc(phba->lpfc_sg_dma_buf_pool, - GFP_KERNEL, &psb->dma_handle); - if (!psb->data) { - kfree(psb); - break; - } - - /* - * 4K Page alignment is CRITICAL to BlockGuard, double check - * to be sure. - */ - if ((phba->sli3_options & LPFC_SLI3_BG_ENABLED) && - (((unsigned long)(psb->data) & - (unsigned long)(SLI4_PAGE_SIZE - 1)) != 0)) { - lpfc_printf_log(phba, KERN_ERR, LOG_FCP, - "3369 Memory alignment error " - "addr=%lx\n", - (unsigned long)psb->data); - dma_pool_free(phba->lpfc_sg_dma_buf_pool, - psb->data, psb->dma_handle); - kfree(psb); - break; - } - - - lxri = lpfc_sli4_next_xritag(phba); - if (lxri == NO_XRI) { - dma_pool_free(phba->lpfc_sg_dma_buf_pool, - psb->data, psb->dma_handle); - kfree(psb); - break; - } - - /* Allocate iotag for psb->cur_iocbq. */ - iotag = lpfc_sli_next_iotag(phba, &psb->cur_iocbq); - if (iotag == 0) { - dma_pool_free(phba->lpfc_sg_dma_buf_pool, - psb->data, psb->dma_handle); - kfree(psb); - lpfc_printf_log(phba, KERN_ERR, LOG_FCP, - "3368 Failed to allocate IOTAG for" - " XRI:0x%x\n", lxri); - lpfc_sli4_free_xri(phba, lxri); - break; - } - psb->cur_iocbq.sli4_lxritag = lxri; - psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri]; - psb->cur_iocbq.iocb_flag |= LPFC_IO_FCP; - psb->fcp_bpl = psb->data; - psb->fcp_cmnd = (psb->data + sgl_size); - psb->fcp_rsp = (struct fcp_rsp *)((uint8_t *)psb->fcp_cmnd + - sizeof(struct fcp_cmnd)); - - /* Initialize local short-hand pointers. */ - sgl = (struct sli4_sge *)psb->fcp_bpl; - pdma_phys_bpl = psb->dma_handle; - pdma_phys_fcp_cmd = (psb->dma_handle + sgl_size); - pdma_phys_fcp_rsp = pdma_phys_fcp_cmd + sizeof(struct fcp_cmnd); - - /* - * The first two bdes are the FCP_CMD and FCP_RSP. - * The balance are sg list bdes. Initialize the - * first two and leave the rest for queuecommand. - */ - sgl->addr_hi = cpu_to_le32(putPaddrHigh(pdma_phys_fcp_cmd)); - sgl->addr_lo = cpu_to_le32(putPaddrLow(pdma_phys_fcp_cmd)); - sgl->word2 = le32_to_cpu(sgl->word2); - bf_set(lpfc_sli4_sge_last, sgl, 0); - sgl->word2 = cpu_to_le32(sgl->word2); - sgl->sge_len = cpu_to_le32(sizeof(struct fcp_cmnd)); - sgl++; - - /* Setup the physical region for the FCP RSP */ - sgl->addr_hi = cpu_to_le32(putPaddrHigh(pdma_phys_fcp_rsp)); - sgl->addr_lo = cpu_to_le32(putPaddrLow(pdma_phys_fcp_rsp)); - sgl->word2 = le32_to_cpu(sgl->word2); - bf_set(lpfc_sli4_sge_last, sgl, 1); - sgl->word2 = cpu_to_le32(sgl->word2); - sgl->sge_len = cpu_to_le32(sizeof(struct fcp_rsp)); - - /* - * Since the IOCB for the FCP I/O is built into this - * lpfc_scsi_buf, initialize it with all known data now. - */ - iocb = &psb->cur_iocbq.iocb; - iocb->un.fcpi64.bdl.ulpIoTag32 = 0; - iocb->un.fcpi64.bdl.bdeFlags = BUFF_TYPE_BDE_64; - /* setting the BLP size to 2 * sizeof BDE may not be correct. - * We are setting the bpl to point to out sgl. An sgl's - * entries are 16 bytes, a bpl entries are 12 bytes. - */ - iocb->un.fcpi64.bdl.bdeSize = sizeof(struct fcp_cmnd); - iocb->un.fcpi64.bdl.addrLow = putPaddrLow(pdma_phys_fcp_cmd); - iocb->un.fcpi64.bdl.addrHigh = putPaddrHigh(pdma_phys_fcp_cmd); - iocb->ulpBdeCount = 1; - iocb->ulpLe = 1; - iocb->ulpClass = CLASS3; - psb->cur_iocbq.context1 = psb; - psb->dma_phys_bpl = pdma_phys_bpl; - - /* add the scsi buffer to a post list */ - list_add_tail(&psb->list, &post_sblist); - spin_lock_irq(&phba->scsi_buf_list_get_lock); - phba->sli4_hba.scsi_xri_cnt++; - spin_unlock_irq(&phba->scsi_buf_list_get_lock); - } - lpfc_printf_log(phba, KERN_INFO, LOG_BG | LOG_FCP, - "3021 Allocate %d out of %d requested new SCSI " - "buffers\n", bcnt, num_to_alloc); - - /* post the list of scsi buffer sgls to port if available */ - if (!list_empty(&post_sblist)) - num_posted = lpfc_sli4_post_scsi_sgl_list(phba, - &post_sblist, bcnt); - else - num_posted = 0; - - return num_posted; -} - -/** - * lpfc_new_scsi_buf - Wrapper funciton for scsi buffer allocator - * @vport: The virtual port for which this call being executed. - * @num_to_allocate: The requested number of buffers to allocate. - * - * This routine wraps the actual SCSI buffer allocator function pointer from - * the lpfc_hba struct. - * - * Return codes: - * int - number of scsi buffers that were allocated. - * 0 = failure, less than num_to_alloc is a partial failure. - **/ -static inline int -lpfc_new_scsi_buf(struct lpfc_vport *vport, int num_to_alloc) -{ - return vport->phba->lpfc_new_scsi_buf(vport, num_to_alloc); -} - -/** * lpfc_get_scsi_buf_s3 - Get a scsi buffer from lpfc_scsi_buf_list of the HBA * @phba: The HBA for which this call is being executed. * @@ -1005,10 +652,10 @@ lpfc_get_scsi_buf_s3(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) return lpfc_cmd; } /** - * lpfc_get_scsi_buf_s4 - Get a scsi buffer from lpfc_scsi_buf_list of the HBA + * lpfc_get_scsi_buf_s4 - Get a scsi buffer from lpfc_common_buf_list of the HBA * @phba: The HBA for which this call is being executed. * - * This routine removes a scsi buffer from head of @phba lpfc_scsi_buf_list list + * This routine removes a scsi buffer from head of @phba lpfc_common_buf_list * and returns to caller. * * Return codes: @@ -1020,38 +667,113 @@ lpfc_get_scsi_buf_s4(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) { struct lpfc_scsi_buf *lpfc_cmd, *lpfc_cmd_next; unsigned long iflag = 0; + struct sli4_sge *sgl; + IOCB_t *iocb; + dma_addr_t pdma_phys_fcp_rsp; + dma_addr_t pdma_phys_fcp_cmd; + uint32_t sgl_size; int found = 0; - spin_lock_irqsave(&phba->scsi_buf_list_get_lock, iflag); + spin_lock_irqsave(&phba->common_buf_list_get_lock, iflag); list_for_each_entry_safe(lpfc_cmd, lpfc_cmd_next, - &phba->lpfc_scsi_buf_list_get, list) { + &phba->lpfc_common_buf_list_get, list) { if (lpfc_test_rrq_active(phba, ndlp, lpfc_cmd->cur_iocbq.sli4_lxritag)) continue; list_del_init(&lpfc_cmd->list); + phba->get_common_bufs--; found = 1; break; } if (!found) { - spin_lock(&phba->scsi_buf_list_put_lock); - list_splice(&phba->lpfc_scsi_buf_list_put, - &phba->lpfc_scsi_buf_list_get); - INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put); - spin_unlock(&phba->scsi_buf_list_put_lock); + spin_lock(&phba->common_buf_list_put_lock); + list_splice(&phba->lpfc_common_buf_list_put, + &phba->lpfc_common_buf_list_get); + phba->get_common_bufs += phba->put_common_bufs; + INIT_LIST_HEAD(&phba->lpfc_common_buf_list_put); + phba->put_common_bufs = 0; + spin_unlock(&phba->common_buf_list_put_lock); list_for_each_entry_safe(lpfc_cmd, lpfc_cmd_next, - &phba->lpfc_scsi_buf_list_get, list) { + &phba->lpfc_common_buf_list_get, + list) { if (lpfc_test_rrq_active( phba, ndlp, lpfc_cmd->cur_iocbq.sli4_lxritag)) continue; list_del_init(&lpfc_cmd->list); + phba->get_common_bufs--; found = 1; break; } } - spin_unlock_irqrestore(&phba->scsi_buf_list_get_lock, iflag); + spin_unlock_irqrestore(&phba->common_buf_list_get_lock, iflag); if (!found) return NULL; + sgl_size = phba->cfg_sg_dma_buf_size - + (sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp)); + + /* Setup key fields in buffer that may have been changed + * if other protocols used this buffer. + */ + lpfc_cmd->cur_iocbq.iocb_flag = LPFC_IO_FCP; + lpfc_cmd->prot_seg_cnt = 0; + lpfc_cmd->seg_cnt = 0; + lpfc_cmd->waitq = NULL; + lpfc_cmd->timeout = 0; + lpfc_cmd->flags = 0; + lpfc_cmd->start_time = jiffies; + lpfc_cmd->waitq = NULL; + lpfc_cmd->cpu = smp_processor_id(); +#ifdef CONFIG_SCSI_LPFC_DEBUG_FS + lpfc_cmd->prot_data_type = 0; +#endif + + lpfc_cmd->fcp_cmnd = (lpfc_cmd->data + sgl_size); + lpfc_cmd->fcp_rsp = (struct fcp_rsp *)((uint8_t *)lpfc_cmd->fcp_cmnd + + sizeof(struct fcp_cmnd)); + + /* + * The first two SGEs are the FCP_CMD and FCP_RSP. + * The balance are sg list bdes. Initialize the + * first two and leave the rest for queuecommand. + */ + sgl = (struct sli4_sge *)lpfc_cmd->dma_sgl; + pdma_phys_fcp_cmd = (lpfc_cmd->dma_handle + sgl_size); + sgl->addr_hi = cpu_to_le32(putPaddrHigh(pdma_phys_fcp_cmd)); + sgl->addr_lo = cpu_to_le32(putPaddrLow(pdma_phys_fcp_cmd)); + sgl->word2 = le32_to_cpu(sgl->word2); + bf_set(lpfc_sli4_sge_last, sgl, 0); + sgl->word2 = cpu_to_le32(sgl->word2); + sgl->sge_len = cpu_to_le32(sizeof(struct fcp_cmnd)); + sgl++; + + /* Setup the physical region for the FCP RSP */ + pdma_phys_fcp_rsp = pdma_phys_fcp_cmd + sizeof(struct fcp_cmnd); + sgl->addr_hi = cpu_to_le32(putPaddrHigh(pdma_phys_fcp_rsp)); + sgl->addr_lo = cpu_to_le32(putPaddrLow(pdma_phys_fcp_rsp)); + sgl->word2 = le32_to_cpu(sgl->word2); + bf_set(lpfc_sli4_sge_last, sgl, 1); + sgl->word2 = cpu_to_le32(sgl->word2); + sgl->sge_len = cpu_to_le32(sizeof(struct fcp_rsp)); + + /* + * Since the IOCB for the FCP I/O is built into this + * lpfc_scsi_buf, initialize it with all known data now. + */ + iocb = &lpfc_cmd->cur_iocbq.iocb; + iocb->un.fcpi64.bdl.ulpIoTag32 = 0; + iocb->un.fcpi64.bdl.bdeFlags = BUFF_TYPE_BDE_64; + /* setting the BLP size to 2 * sizeof BDE may not be correct. + * We are setting the bpl to point to out sgl. An sgl's + * entries are 16 bytes, a bpl entries are 12 bytes. + */ + iocb->un.fcpi64.bdl.bdeSize = sizeof(struct fcp_cmnd); + iocb->un.fcpi64.bdl.addrLow = putPaddrLow(pdma_phys_fcp_cmd); + iocb->un.fcpi64.bdl.addrHigh = putPaddrHigh(pdma_phys_fcp_cmd); + iocb->ulpBdeCount = 1; + iocb->ulpLe = 1; + iocb->ulpClass = CLASS3; + if (lpfc_ndlp_check_qdepth(phba, ndlp)) { atomic_inc(&ndlp->cmd_pending); lpfc_cmd->flags |= LPFC_SBUF_BUMP_QDEPTH; @@ -1089,7 +811,6 @@ lpfc_release_scsi_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *psb) unsigned long iflag = 0; psb->seg_cnt = 0; - psb->nonsg_phys = 0; psb->prot_seg_cnt = 0; spin_lock_irqsave(&phba->scsi_buf_list_put_lock, iflag); @@ -1105,7 +826,7 @@ lpfc_release_scsi_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *psb) * @psb: The scsi buffer which is being released. * * This routine releases @psb scsi buffer by adding it to tail of @phba - * lpfc_scsi_buf_list list. For SLI4 XRI's are tied to the scsi buffer + * lpfc_common_buf_list list. For SLI4 XRI's are tied to the scsi buffer * and cannot be reused for at least RA_TOV amount of time if it was * aborted. **/ @@ -1115,7 +836,6 @@ lpfc_release_scsi_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *psb) unsigned long iflag = 0; psb->seg_cnt = 0; - psb->nonsg_phys = 0; psb->prot_seg_cnt = 0; if (psb->exch_busy) { @@ -1127,11 +847,13 @@ lpfc_release_scsi_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *psb) spin_unlock_irqrestore(&phba->sli4_hba.abts_scsi_buf_list_lock, iflag); } else { + /* MUST zero fields if buffer is reused by another protocol */ psb->pCmd = NULL; - psb->cur_iocbq.iocb_flag = LPFC_IO_FCP; - spin_lock_irqsave(&phba->scsi_buf_list_put_lock, iflag); - list_add_tail(&psb->list, &phba->lpfc_scsi_buf_list_put); - spin_unlock_irqrestore(&phba->scsi_buf_list_put_lock, iflag); + psb->cur_iocbq.iocb_cmpl = NULL; + spin_lock_irqsave(&phba->common_buf_list_put_lock, iflag); + list_add_tail(&psb->list, &phba->lpfc_common_buf_list_put); + phba->put_common_bufs++; + spin_unlock_irqrestore(&phba->common_buf_list_put_lock, iflag); } } @@ -1173,7 +895,7 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) struct scsi_cmnd *scsi_cmnd = lpfc_cmd->pCmd; struct scatterlist *sgel = NULL; struct fcp_cmnd *fcp_cmnd = lpfc_cmd->fcp_cmnd; - struct ulp_bde64 *bpl = lpfc_cmd->fcp_bpl; + struct ulp_bde64 *bpl = lpfc_cmd->dma_sgl; struct lpfc_iocbq *iocbq = &lpfc_cmd->cur_iocbq; IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb; struct ulp_bde64 *data_bde = iocb_cmd->unsli3.fcp_ext.dbde; @@ -2728,7 +2450,7 @@ lpfc_bg_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, { struct scsi_cmnd *scsi_cmnd = lpfc_cmd->pCmd; struct fcp_cmnd *fcp_cmnd = lpfc_cmd->fcp_cmnd; - struct ulp_bde64 *bpl = lpfc_cmd->fcp_bpl; + struct ulp_bde64 *bpl = lpfc_cmd->dma_sgl; IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb; uint32_t num_bde = 0; int datasegcnt, protsegcnt, datadir = scsi_cmnd->sc_data_direction; @@ -3261,7 +2983,7 @@ lpfc_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) struct scsi_cmnd *scsi_cmnd = lpfc_cmd->pCmd; struct scatterlist *sgel = NULL; struct fcp_cmnd *fcp_cmnd = lpfc_cmd->fcp_cmnd; - struct sli4_sge *sgl = (struct sli4_sge *)lpfc_cmd->fcp_bpl; + struct sli4_sge *sgl = (struct sli4_sge *)lpfc_cmd->dma_sgl; struct sli4_sge *first_data_sgl; IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb; dma_addr_t physaddr; @@ -3406,7 +3128,7 @@ lpfc_bg_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, { struct scsi_cmnd *scsi_cmnd = lpfc_cmd->pCmd; struct fcp_cmnd *fcp_cmnd = lpfc_cmd->fcp_cmnd; - struct sli4_sge *sgl = (struct sli4_sge *)(lpfc_cmd->fcp_bpl); + struct sli4_sge *sgl = (struct sli4_sge *)(lpfc_cmd->dma_sgl); IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb; uint32_t num_sge = 0; int datasegcnt, protsegcnt, datadir = scsi_cmnd->sc_data_direction; @@ -3941,7 +3663,7 @@ int lpfc_sli4_scmd_to_wqidx_distr(struct lpfc_hba *phba, if (phba->cfg_fcp_io_sched == LPFC_FCP_SCHED_BY_CPU && phba->cfg_fcp_io_channel > 1) { - cpu = smp_processor_id(); + cpu = lpfc_cmd->cpu; if (cpu < phba->sli4_hba.num_present_cpu) { cpup = phba->sli4_hba.cpu_map; cpup += cpu; @@ -4413,14 +4135,12 @@ lpfc_scsi_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) switch (dev_grp) { case LPFC_PCI_DEV_LP: - phba->lpfc_new_scsi_buf = lpfc_new_scsi_buf_s3; phba->lpfc_scsi_prep_dma_buf = lpfc_scsi_prep_dma_buf_s3; phba->lpfc_bg_scsi_prep_dma_buf = lpfc_bg_scsi_prep_dma_buf_s3; phba->lpfc_release_scsi_buf = lpfc_release_scsi_buf_s3; phba->lpfc_get_scsi_buf = lpfc_get_scsi_buf_s3; break; case LPFC_PCI_DEV_OC: - phba->lpfc_new_scsi_buf = lpfc_new_scsi_buf_s4; phba->lpfc_scsi_prep_dma_buf = lpfc_scsi_prep_dma_buf_s4; phba->lpfc_bg_scsi_prep_dma_buf = lpfc_bg_scsi_prep_dma_buf_s4; phba->lpfc_release_scsi_buf = lpfc_release_scsi_buf_s4; @@ -4735,8 +4455,6 @@ lpfc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmnd) lpfc_cmd->pCmd = cmnd; lpfc_cmd->rdata = rdata; lpfc_cmd->ndlp = ndlp; - lpfc_cmd->timeout = 0; - lpfc_cmd->start_time = jiffies; cmnd->host_scribble = (unsigned char *)lpfc_cmd; if (scsi_get_prot_op(cmnd) != SCSI_PROT_NORMAL) { @@ -5671,6 +5389,12 @@ lpfc_slave_alloc(struct scsi_device *sdev) } sdev_cnt = atomic_inc_return(&phba->sdev_cnt); + /* For SLI4, all IO buffers are pre-allocated */ + if (phba->sli_rev == LPFC_SLI_REV4) + return 0; + + /* This code path is now ONLY for SLI3 adapters */ + /* * Populate the cmds_per_lun count scsi_bufs into this host's globally * available list of scsi buffers. Don't allocate more than the @@ -5702,7 +5426,7 @@ lpfc_slave_alloc(struct scsi_device *sdev) (phba->cfg_hba_queue_depth - total)); num_to_alloc = phba->cfg_hba_queue_depth - total; } - num_allocated = lpfc_new_scsi_buf(vport, num_to_alloc); + num_allocated = lpfc_new_scsi_buf_s3(vport, num_to_alloc); if (num_to_alloc != num_allocated) { lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP, "0708 Allocation request of %d " diff --git a/drivers/scsi/lpfc/lpfc_scsi.h b/drivers/scsi/lpfc/lpfc_scsi.h index b759b089432c..d784de3da0c0 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.h +++ b/drivers/scsi/lpfc/lpfc_scsi.h @@ -131,7 +131,15 @@ struct lpfc_scsicmd_bkt { }; struct lpfc_scsi_buf { + /* Common fields */ struct list_head list; + void *data; + dma_addr_t dma_handle; + dma_addr_t dma_phys_sgl; + struct ulp_bde64 *dma_sgl; + struct lpfc_iocbq cur_iocbq; + + /* SCSI specific fields */ struct scsi_cmnd *pCmd; struct lpfc_rport_data *rdata; struct lpfc_nodelist *ndlp; @@ -139,9 +147,10 @@ struct lpfc_scsi_buf { uint32_t timeout; uint16_t flags; /* TBD convert exch_busy to flags */ -#define LPFC_SBUF_XBUSY 0x1 /* SLI4 hba reported XB on WCQE cmpl */ -#define LPFC_SBUF_BUMP_QDEPTH 0x8 /* bumped queue depth counter */ +#define LPFC_SBUF_XBUSY 0x1 /* SLI4 hba reported XB on WCQE cmpl */ +#define LPFC_SBUF_BUMP_QDEPTH 0x2 /* bumped queue depth counter */ uint16_t exch_busy; /* SLI4 hba reported XB on complete WCQE */ + uint16_t cpu; uint16_t status; /* From IOCB Word 7- ulpStatus */ uint32_t result; /* From IOCB Word 4. */ @@ -150,27 +159,13 @@ struct lpfc_scsi_buf { * to dma_unmap_sg. */ uint32_t prot_seg_cnt; /* seg_cnt's counterpart for protection data */ - dma_addr_t nonsg_phys; /* Non scatter-gather physical address. */ - /* * data and dma_handle are the kernel virtual and bus address of the * dma-able buffer containing the fcp_cmd, fcp_rsp and a scatter * gather bde list that supports the sg_tablesize value. */ - void *data; - dma_addr_t dma_handle; - struct fcp_cmnd *fcp_cmnd; struct fcp_rsp *fcp_rsp; - struct ulp_bde64 *fcp_bpl; - - dma_addr_t dma_phys_bpl; - - /* cur_iocbq has phys of the dma-able buffer. - * Iotag is in here - */ - struct lpfc_iocbq cur_iocbq; - uint16_t cpu; wait_queue_head_t *waitq; unsigned long start_time; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 30734caf77e1..a450d845ec22 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -6027,11 +6027,8 @@ lpfc_sli4_alloc_extent(struct lpfc_hba *phba, uint16_t type) list_add_tail(&rsrc_blks->list, ext_blk_list); rsrc_start = rsrc_id; if ((type == LPFC_RSC_TYPE_FCOE_XRI) && (j == 0)) { - phba->sli4_hba.scsi_xri_start = rsrc_start + + phba->sli4_hba.common_xri_start = rsrc_start + lpfc_sli4_get_iocb_cnt(phba); - phba->sli4_hba.nvme_xri_start = - phba->sli4_hba.scsi_xri_start + - phba->sli4_hba.scsi_xri_max; } while (rsrc_id < (rsrc_start + rsrc_size)) { @@ -7057,6 +7054,45 @@ lpfc_sli4_repost_sgl_list(struct lpfc_hba *phba, return total_cnt; } +/** + * lpfc_sli4_repost_common_sgl_list - Repost all the allocated nvme buffer sgls + * @phba: pointer to lpfc hba data structure. + * + * This routine walks the list of nvme buffers that have been allocated and + * repost them to the port by using SGL block post. This is needed after a + * pci_function_reset/warm_start or start. The lpfc_hba_down_post_s4 routine + * is responsible for moving all nvme buffers on the lpfc_abts_nvme_sgl_list + * to the lpfc_common_buf_list. If the repost fails, reject all nvme buffers. + * + * Returns: 0 = success, non-zero failure. + **/ +int +lpfc_sli4_repost_common_sgl_list(struct lpfc_hba *phba) +{ + LIST_HEAD(post_nblist); + int num_posted, rc = 0; + + /* get all NVME buffers need to repost to a local list */ + spin_lock_irq(&phba->common_buf_list_get_lock); + spin_lock(&phba->common_buf_list_put_lock); + list_splice_init(&phba->lpfc_common_buf_list_get, &post_nblist); + list_splice(&phba->lpfc_common_buf_list_put, &post_nblist); + phba->get_common_bufs = 0; + phba->put_common_bufs = 0; + spin_unlock(&phba->common_buf_list_put_lock); + spin_unlock_irq(&phba->common_buf_list_get_lock); + + /* post the list of nvme buffer sgls to port if available */ + if (!list_empty(&post_nblist)) { + num_posted = lpfc_sli4_post_common_sgl_list( + phba, &post_nblist, phba->sli4_hba.common_xri_cnt); + /* failed to post any nvme buffer, return error */ + if (num_posted == 0) + rc = -EIO; + } + return rc; +} + void lpfc_set_host_data(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) { @@ -7518,24 +7554,26 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) /* We need 1 iocbq for every SGL, for IO processing */ cnt += phba->sli4_hba.nvmet_xri_cnt; } else { - /* update host scsi xri-sgl sizes and mappings */ - rc = lpfc_sli4_scsi_sgl_update(phba); + /* update host common xri-sgl sizes and mappings */ + rc = lpfc_sli4_common_sgl_update(phba); if (unlikely(rc)) { lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, - "6309 Failed to update scsi-sgl size " + "6082 Failed to update nvme-sgl size " "and mapping: %d\n", rc); goto out_destroy_queue; } - /* update host nvme xri-sgl sizes and mappings */ - rc = lpfc_sli4_nvme_sgl_update(phba); + /* register the allocated common sgl pool to the port */ + rc = lpfc_sli4_repost_common_sgl_list(phba); if (unlikely(rc)) { lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, - "6082 Failed to update nvme-sgl size " - "and mapping: %d\n", rc); + "6116 Error %d during nvme sgl post " + "operation\n", rc); + /* Some NVME buffers were moved to abort nvme list */ + /* A pci function reset will repost them */ + rc = -ENODEV; goto out_destroy_queue; } - cnt = phba->cfg_iocb_cnt * 1024; } @@ -7572,36 +7610,6 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) } } - if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { - /* register the allocated scsi sgl pool to the port */ - rc = lpfc_sli4_repost_scsi_sgl_list(phba); - if (unlikely(rc)) { - lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, - "0383 Error %d during scsi sgl post " - "operation\n", rc); - /* Some Scsi buffers were moved to abort scsi list */ - /* A pci function reset will repost them */ - rc = -ENODEV; - goto out_destroy_queue; - } - } - - if ((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) && - (phba->nvmet_support == 0)) { - - /* register the allocated nvme sgl pool to the port */ - rc = lpfc_repost_nvme_sgl_list(phba); - if (unlikely(rc)) { - lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, - "6116 Error %d during nvme sgl post " - "operation\n", rc); - /* Some NVME buffers were moved to abort nvme list */ - /* A pci function reset will repost them */ - rc = -ENODEV; - goto out_destroy_queue; - } - } - /* Post the rpi header region to the device. */ rc = lpfc_sli4_post_all_rpi_hdrs(phba); if (unlikely(rc)) { @@ -9484,7 +9492,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, /* 128 byte wqe support here */ lpfc_cmd = iocbq->context1; - sgl = (struct sli4_sge *)lpfc_cmd->fcp_bpl; + sgl = (struct sli4_sge *)lpfc_cmd->dma_sgl; fcp_cmnd = lpfc_cmd->fcp_cmnd; /* Word 0-2 - FCP_CMND */ @@ -9548,7 +9556,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, /* 128 byte wqe support here */ lpfc_cmd = iocbq->context1; - sgl = (struct sli4_sge *)lpfc_cmd->fcp_bpl; + sgl = (struct sli4_sge *)lpfc_cmd->dma_sgl; fcp_cmnd = lpfc_cmd->fcp_cmnd; /* Word 0-2 - FCP_CMND */ @@ -9605,7 +9613,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, /* 128 byte wqe support here */ lpfc_cmd = iocbq->context1; - sgl = (struct sli4_sge *)lpfc_cmd->fcp_bpl; + sgl = (struct sli4_sge *)lpfc_cmd->dma_sgl; fcp_cmnd = lpfc_cmd->fcp_cmnd; /* Word 0-2 - FCP_CMND */ @@ -16827,22 +16835,22 @@ lpfc_sli4_post_sgl_list(struct lpfc_hba *phba, } /** - * lpfc_sli4_post_scsi_sgl_block - post a block of scsi sgl list to firmware + * lpfc_sli4_post_common_sgl_block - post a block of nvme sgl list to firmware * @phba: pointer to lpfc hba data structure. - * @sblist: pointer to scsi buffer list. + * @nblist: pointer to nvme buffer list. * @count: number of scsi buffers on the list. * * This routine is invoked to post a block of @count scsi sgl pages from a - * SCSI buffer list @sblist to the HBA using non-embedded mailbox command. + * SCSI buffer list @nblist to the HBA using non-embedded mailbox command. * No Lock is held. * **/ -int -lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *phba, - struct list_head *sblist, - int count) +static int +lpfc_sli4_post_common_sgl_block(struct lpfc_hba *phba, + struct list_head *nblist, + int count) { - struct lpfc_scsi_buf *psb; + struct lpfc_nvme_buf *lpfc_ncmd; struct lpfc_mbx_post_uembed_sgl_page1 *sgl; struct sgl_page_pairs *sgl_pg_pairs; void *viraddr; @@ -16860,25 +16868,25 @@ lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *phba, sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t); if (reqlen > SLI4_PAGE_SIZE) { lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, - "0217 Block sgl registration required DMA " + "6118 Block sgl registration required DMA " "size (%d) great than a page\n", reqlen); return -ENOMEM; } mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!mbox) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0283 Failed to allocate mbox cmd memory\n"); + "6119 Failed to allocate mbox cmd memory\n"); return -ENOMEM; } /* Allocate DMA memory and set up the non-embedded mailbox command */ alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, - LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, reqlen, - LPFC_SLI4_MBX_NEMBED); + LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, + reqlen, LPFC_SLI4_MBX_NEMBED); if (alloclen < reqlen) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "2561 Allocated DMA memory size (%d) is " + "6120 Allocated DMA memory size (%d) is " "less than the requested DMA memory " "size (%d)\n", alloclen, reqlen); lpfc_sli4_mbox_cmd_free(phba, mbox); @@ -16893,14 +16901,15 @@ lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *phba, sgl_pg_pairs = &sgl->sgl_pg_pairs; pg_pairs = 0; - list_for_each_entry(psb, sblist, list) { + list_for_each_entry(lpfc_ncmd, nblist, list) { /* Set up the sge entry */ sgl_pg_pairs->sgl_pg0_addr_lo = - cpu_to_le32(putPaddrLow(psb->dma_phys_bpl)); + cpu_to_le32(putPaddrLow(lpfc_ncmd->dma_phys_sgl)); sgl_pg_pairs->sgl_pg0_addr_hi = - cpu_to_le32(putPaddrHigh(psb->dma_phys_bpl)); + cpu_to_le32(putPaddrHigh(lpfc_ncmd->dma_phys_sgl)); if (phba->cfg_sg_dma_buf_size > SGL_PAGE_SIZE) - pdma_phys_bpl1 = psb->dma_phys_bpl + SGL_PAGE_SIZE; + pdma_phys_bpl1 = lpfc_ncmd->dma_phys_sgl + + SGL_PAGE_SIZE; else pdma_phys_bpl1 = 0; sgl_pg_pairs->sgl_pg1_addr_lo = @@ -16909,7 +16918,7 @@ lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *phba, cpu_to_le32(putPaddrHigh(pdma_phys_bpl1)); /* Keep the first xritag on the list */ if (pg_pairs == 0) - xritag_start = psb->cur_iocbq.sli4_xritag; + xritag_start = lpfc_ncmd->cur_iocbq.sli4_xritag; sgl_pg_pairs++; pg_pairs++; } @@ -16918,20 +16927,20 @@ lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *phba, /* Perform endian conversion if necessary */ sgl->word0 = cpu_to_le32(sgl->word0); - if (!phba->sli4_hba.intr_enable) + if (!phba->sli4_hba.intr_enable) { rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); - else { + } else { mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); } - shdr = (union lpfc_sli4_cfg_shdr *) &sgl->cfg_shdr; + shdr = (union lpfc_sli4_cfg_shdr *)&sgl->cfg_shdr; shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); if (rc != MBX_TIMEOUT) lpfc_sli4_mbox_cmd_free(phba, mbox); if (shdr_status || shdr_add_status || rc) { lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "2564 POST_SGL_BLOCK mailbox command failed " + "6125 POST_SGL_BLOCK mailbox command failed " "status x%x add_status x%x mbx status x%x\n", shdr_status, shdr_add_status, rc); rc = -ENXIO; @@ -16940,6 +16949,142 @@ lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *phba, } /** + * lpfc_sli4_post_common_sgl_list - Post blocks of nvme buffer sgls from a list + * @phba: pointer to lpfc hba data structure. + * @post_nblist: pointer to the nvme buffer list. + * + * This routine walks a list of nvme buffers that was passed in. It attempts + * to construct blocks of nvme buffer sgls which contains contiguous xris and + * uses the non-embedded SGL block post mailbox commands to post to the port. + * For single NVME buffer sgl with non-contiguous xri, if any, it shall use + * embedded SGL post mailbox command for posting. The @post_nblist passed in + * must be local list, thus no lock is needed when manipulate the list. + * + * Returns: 0 = failure, non-zero number of successfully posted buffers. + **/ +int +lpfc_sli4_post_common_sgl_list(struct lpfc_hba *phba, + struct list_head *post_nblist, int sb_count) +{ + struct lpfc_nvme_buf *lpfc_ncmd, *lpfc_ncmd_next; + int status, sgl_size; + int post_cnt = 0, block_cnt = 0, num_posting = 0, num_posted = 0; + dma_addr_t pdma_phys_sgl1; + int last_xritag = NO_XRI; + int cur_xritag; + unsigned long iflag; + LIST_HEAD(prep_nblist); + LIST_HEAD(blck_nblist); + LIST_HEAD(nvme_nblist); + + /* sanity check */ + if (sb_count <= 0) + return -EINVAL; + + sgl_size = phba->cfg_sg_dma_buf_size; + list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, post_nblist, list) { + list_del_init(&lpfc_ncmd->list); + block_cnt++; + if ((last_xritag != NO_XRI) && + (lpfc_ncmd->cur_iocbq.sli4_xritag != last_xritag + 1)) { + /* a hole in xri block, form a sgl posting block */ + list_splice_init(&prep_nblist, &blck_nblist); + post_cnt = block_cnt - 1; + /* prepare list for next posting block */ + list_add_tail(&lpfc_ncmd->list, &prep_nblist); + block_cnt = 1; + } else { + /* prepare list for next posting block */ + list_add_tail(&lpfc_ncmd->list, &prep_nblist); + /* enough sgls for non-embed sgl mbox command */ + if (block_cnt == LPFC_NEMBED_MBOX_SGL_CNT) { + list_splice_init(&prep_nblist, &blck_nblist); + post_cnt = block_cnt; + block_cnt = 0; + } + } + num_posting++; + last_xritag = lpfc_ncmd->cur_iocbq.sli4_xritag; + + /* end of repost sgl list condition for NVME buffers */ + if (num_posting == sb_count) { + if (post_cnt == 0) { + /* last sgl posting block */ + list_splice_init(&prep_nblist, &blck_nblist); + post_cnt = block_cnt; + } else if (block_cnt == 1) { + /* last single sgl with non-contiguous xri */ + if (sgl_size > SGL_PAGE_SIZE) + pdma_phys_sgl1 = + lpfc_ncmd->dma_phys_sgl + + SGL_PAGE_SIZE; + else + pdma_phys_sgl1 = 0; + cur_xritag = lpfc_ncmd->cur_iocbq.sli4_xritag; + status = lpfc_sli4_post_sgl( + phba, lpfc_ncmd->dma_phys_sgl, + pdma_phys_sgl1, cur_xritag); + if (status) { + /* failure, put on abort nvme list */ + lpfc_ncmd->flags |= LPFC_SBUF_XBUSY; + } else { + /* success, put on NVME buffer list */ + lpfc_ncmd->flags &= ~LPFC_SBUF_XBUSY; + lpfc_ncmd->status = IOSTAT_SUCCESS; + num_posted++; + } + /* success, put on NVME buffer sgl list */ + list_add_tail(&lpfc_ncmd->list, &nvme_nblist); + } + } + + /* continue until a nembed page worth of sgls */ + if (post_cnt == 0) + continue; + + /* post block of NVME buffer list sgls */ + status = lpfc_sli4_post_common_sgl_block(phba, &blck_nblist, + post_cnt); + + /* don't reset xirtag due to hole in xri block */ + if (block_cnt == 0) + last_xritag = NO_XRI; + + /* reset NVME buffer post count for next round of posting */ + post_cnt = 0; + + /* put posted NVME buffer-sgl posted on NVME buffer sgl list */ + while (!list_empty(&blck_nblist)) { + list_remove_head(&blck_nblist, lpfc_ncmd, + struct lpfc_nvme_buf, list); + if (status) { + /* failure, put on abort nvme list */ + lpfc_ncmd->flags |= LPFC_SBUF_XBUSY; + } else { + /* success, put on NVME buffer list */ + lpfc_ncmd->flags &= ~LPFC_SBUF_XBUSY; + lpfc_ncmd->status = IOSTAT_SUCCESS; + num_posted++; + } + list_add_tail(&lpfc_ncmd->list, &nvme_nblist); + } + } + /* Push NVME buffers with sgl posted to the available list */ + while (!list_empty(&nvme_nblist)) { + list_remove_head(&nvme_nblist, lpfc_ncmd, + struct lpfc_nvme_buf, list); + lpfc_ncmd->cur_iocbq.wqe_cmpl = NULL; + lpfc_ncmd->cur_iocbq.iocb_cmpl = NULL; + spin_lock_irqsave(&phba->common_buf_list_put_lock, iflag); + list_add_tail(&lpfc_ncmd->list, + &phba->lpfc_common_buf_list_put); + phba->put_common_bufs++; + spin_unlock_irqrestore(&phba->common_buf_list_put_lock, iflag); + } + return num_posted; +} + +/** * lpfc_fc_frame_check - Check that this frame is a valid frame to handle * @phba: pointer to lpfc_hba struct that the frame was received on * @fc_hdr: A pointer to the FC Header data (In Big Endian Format) diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h index 6b2d2350e2c6..7048df6c92aa 100644 --- a/drivers/scsi/lpfc/lpfc_sli4.h +++ b/drivers/scsi/lpfc/lpfc_sli4.h @@ -41,6 +41,9 @@ #define LPFC_FCP_IO_CHAN_DEF 4 #define LPFC_NVME_IO_CHAN_DEF 0 +/* Common buffer size to accomidate SCSI and NVME IO buffers */ +#define LPFC_COMMON_IO_BUF_SZ 768 + /* Number of channels used for Flash Optimized Fabric (FOF) operations */ #define LPFC_FOF_IO_CHAN_NUM 1 @@ -663,12 +666,9 @@ struct lpfc_sli4_hba { uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */ uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */ uint16_t next_rpi; - uint16_t nvme_xri_max; - uint16_t nvme_xri_cnt; - uint16_t nvme_xri_start; - uint16_t scsi_xri_max; - uint16_t scsi_xri_cnt; - uint16_t scsi_xri_start; + uint16_t common_xri_max; + uint16_t common_xri_cnt; + uint16_t common_xri_start; uint16_t els_xri_cnt; uint16_t nvmet_xri_cnt; uint16_t nvmet_io_wait_cnt; @@ -843,12 +843,10 @@ int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *, int lpfc_sli4_queue_setup(struct lpfc_hba *); void lpfc_sli4_queue_unset(struct lpfc_hba *); int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t); -int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *); -int lpfc_repost_nvme_sgl_list(struct lpfc_hba *phba); +int lpfc_repost_common_sgl_list(struct lpfc_hba *phba); uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *); void lpfc_sli4_free_xri(struct lpfc_hba *, int); int lpfc_sli4_post_async_mbox(struct lpfc_hba *); -int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int); struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *); struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *); void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *); |