[SCSI] lpfc 8.3.31: Correct handling of SLI4-port XRI resource-provisioning profile change
Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index dbaf5b9..b887c9c 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -67,6 +67,8 @@
struct hbq_dmabuf *);
static int lpfc_sli4_fp_handle_wcqe(struct lpfc_hba *, struct lpfc_queue *,
struct lpfc_cqe *);
+static int lpfc_sli4_post_els_sgl_list(struct lpfc_hba *, struct list_head *,
+ int);
static IOCB_t *
lpfc_get_iocb_from_iocbq(struct lpfc_iocbq *iocbq)
@@ -4967,7 +4969,12 @@
&rsrc_info->u.rsp);
*extnt_size = bf_get(lpfc_mbx_get_rsrc_extent_info_size,
&rsrc_info->u.rsp);
- err_exit:
+
+ lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+ "3162 Retrieved extents type-%d from port: count:%d, "
+ "size:%d\n", type, *extnt_count, *extnt_size);
+
+err_exit:
mempool_free(mbox, phba->mbox_mem_pool);
return rc;
}
@@ -5051,7 +5058,7 @@
* 0: if successful
**/
static int
-lpfc_sli4_cfg_post_extnts(struct lpfc_hba *phba, uint16_t *extnt_cnt,
+lpfc_sli4_cfg_post_extnts(struct lpfc_hba *phba, uint16_t extnt_cnt,
uint16_t type, bool *emb, LPFC_MBOXQ_t *mbox)
{
int rc = 0;
@@ -5060,7 +5067,7 @@
uint32_t alloc_len, mbox_tmo;
/* Calculate the total requested length of the dma memory */
- req_len = *extnt_cnt * sizeof(uint16_t);
+ req_len = extnt_cnt * sizeof(uint16_t);
/*
* Calculate the size of an embedded mailbox. The uint32_t
@@ -5075,7 +5082,7 @@
*/
*emb = LPFC_SLI4_MBX_EMBED;
if (req_len > emb_len) {
- req_len = *extnt_cnt * sizeof(uint16_t) +
+ req_len = extnt_cnt * sizeof(uint16_t) +
sizeof(union lpfc_sli4_cfg_shdr) +
sizeof(uint32_t);
*emb = LPFC_SLI4_MBX_NEMBED;
@@ -5091,7 +5098,7 @@
"size (x%x)\n", alloc_len, req_len);
return -ENOMEM;
}
- rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, *extnt_cnt, type, *emb);
+ rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, extnt_cnt, type, *emb);
if (unlikely(rc))
return -EIO;
@@ -5149,17 +5156,15 @@
return -ENOMEM;
}
- lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_INIT,
- "2903 Available Resource Extents "
- "for resource type 0x%x: Count: 0x%x, "
- "Size 0x%x\n", type, rsrc_cnt,
- rsrc_size);
+ lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_INIT | LOG_SLI,
+ "2903 Post resource extents type-0x%x: "
+ "count:%d, size %d\n", type, rsrc_cnt, rsrc_size);
mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mbox)
return -ENOMEM;
- rc = lpfc_sli4_cfg_post_extnts(phba, &rsrc_cnt, type, &emb, mbox);
+ rc = lpfc_sli4_cfg_post_extnts(phba, rsrc_cnt, type, &emb, mbox);
if (unlikely(rc)) {
rc = -EIO;
goto err_exit;
@@ -5250,6 +5255,7 @@
rc = -ENOMEM;
goto err_exit;
}
+ phba->sli4_hba.max_cfg_param.xri_used = 0;
phba->sli4_hba.xri_ids = kzalloc(rsrc_id_cnt *
sizeof(uint16_t),
GFP_KERNEL);
@@ -5420,7 +5426,6 @@
case LPFC_RSC_TYPE_FCOE_XRI:
kfree(phba->sli4_hba.xri_bmask);
kfree(phba->sli4_hba.xri_ids);
- bf_set(lpfc_xri_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0);
list_for_each_entry_safe(rsrc_blk, rsrc_blk_next,
&phba->sli4_hba.lpfc_xri_blk_list, list) {
list_del_init(&rsrc_blk->list);
@@ -5612,7 +5617,6 @@
goto free_vpi_ids;
}
phba->sli4_hba.max_cfg_param.xri_used = 0;
- phba->sli4_hba.xri_count = 0;
phba->sli4_hba.xri_ids = kzalloc(count *
sizeof(uint16_t),
GFP_KERNEL);
@@ -5694,7 +5698,6 @@
bf_set(lpfc_vpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0);
kfree(phba->sli4_hba.xri_bmask);
kfree(phba->sli4_hba.xri_ids);
- bf_set(lpfc_xri_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0);
kfree(phba->sli4_hba.vfi_bmask);
kfree(phba->sli4_hba.vfi_ids);
bf_set(lpfc_vfi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0);
@@ -5853,6 +5856,149 @@
}
/**
+ * lpfc_sli4_repost_els_sgl_list - Repsot the els buffers sgl pages as block
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine walks the list of els 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. It attempts to construct blocks
+ * of els buffer sgls which contains contiguous xris and uses the non-embedded
+ * SGL block post mailbox commands to post them to the port. For single els
+ * buffer sgl with non-contiguous xri, if any, it shall use embedded SGL post
+ * mailbox command for posting.
+ *
+ * Returns: 0 = success, non-zero failure.
+ **/
+static int
+lpfc_sli4_repost_els_sgl_list(struct lpfc_hba *phba)
+{
+ struct lpfc_sglq *sglq_entry = NULL;
+ struct lpfc_sglq *sglq_entry_next = NULL;
+ struct lpfc_sglq *sglq_entry_first = NULL;
+ int status, post_cnt = 0, num_posted = 0, block_cnt = 0;
+ int last_xritag = NO_XRI;
+ LIST_HEAD(prep_sgl_list);
+ LIST_HEAD(blck_sgl_list);
+ LIST_HEAD(allc_sgl_list);
+ LIST_HEAD(post_sgl_list);
+ LIST_HEAD(free_sgl_list);
+
+ spin_lock(&phba->hbalock);
+ list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &allc_sgl_list);
+ spin_unlock(&phba->hbalock);
+
+ list_for_each_entry_safe(sglq_entry, sglq_entry_next,
+ &allc_sgl_list, list) {
+ list_del_init(&sglq_entry->list);
+ block_cnt++;
+ if ((last_xritag != NO_XRI) &&
+ (sglq_entry->sli4_xritag != last_xritag + 1)) {
+ /* a hole in xri block, form a sgl posting block */
+ list_splice_init(&prep_sgl_list, &blck_sgl_list);
+ post_cnt = block_cnt - 1;
+ /* prepare list for next posting block */
+ list_add_tail(&sglq_entry->list, &prep_sgl_list);
+ block_cnt = 1;
+ } else {
+ /* prepare list for next posting block */
+ list_add_tail(&sglq_entry->list, &prep_sgl_list);
+ /* enough sgls for non-embed sgl mbox command */
+ if (block_cnt == LPFC_NEMBED_MBOX_SGL_CNT) {
+ list_splice_init(&prep_sgl_list,
+ &blck_sgl_list);
+ post_cnt = block_cnt;
+ block_cnt = 0;
+ }
+ }
+ num_posted++;
+
+ /* keep track of last sgl's xritag */
+ last_xritag = sglq_entry->sli4_xritag;
+
+ /* end of repost sgl list condition for els buffers */
+ if (num_posted == phba->sli4_hba.els_xri_cnt) {
+ if (post_cnt == 0) {
+ list_splice_init(&prep_sgl_list,
+ &blck_sgl_list);
+ post_cnt = block_cnt;
+ } else if (block_cnt == 1) {
+ status = lpfc_sli4_post_sgl(phba,
+ sglq_entry->phys, 0,
+ sglq_entry->sli4_xritag);
+ if (!status) {
+ /* successful, put sgl to posted list */
+ list_add_tail(&sglq_entry->list,
+ &post_sgl_list);
+ } else {
+ /* Failure, put sgl to free list */
+ lpfc_printf_log(phba, KERN_WARNING,
+ LOG_SLI,
+ "3159 Failed to post els "
+ "sgl, xritag:x%x\n",
+ sglq_entry->sli4_xritag);
+ list_add_tail(&sglq_entry->list,
+ &free_sgl_list);
+ spin_lock_irq(&phba->hbalock);
+ phba->sli4_hba.els_xri_cnt--;
+ spin_unlock_irq(&phba->hbalock);
+ }
+ }
+ }
+
+ /* continue until a nembed page worth of sgls */
+ if (post_cnt == 0)
+ continue;
+
+ /* post the els buffer list sgls as a block */
+ status = lpfc_sli4_post_els_sgl_list(phba, &blck_sgl_list,
+ post_cnt);
+
+ if (!status) {
+ /* success, put sgl list to posted sgl list */
+ list_splice_init(&blck_sgl_list, &post_sgl_list);
+ } else {
+ /* Failure, put sgl list to free sgl list */
+ sglq_entry_first = list_first_entry(&blck_sgl_list,
+ struct lpfc_sglq,
+ list);
+ lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
+ "3160 Failed to post els sgl-list, "
+ "xritag:x%x-x%x\n",
+ sglq_entry_first->sli4_xritag,
+ (sglq_entry_first->sli4_xritag +
+ post_cnt - 1));
+ list_splice_init(&blck_sgl_list, &free_sgl_list);
+ spin_lock_irq(&phba->hbalock);
+ phba->sli4_hba.els_xri_cnt -= post_cnt;
+ spin_unlock_irq(&phba->hbalock);
+ }
+
+ /* don't reset xirtag due to hole in xri block */
+ if (block_cnt == 0)
+ last_xritag = NO_XRI;
+
+ /* reset els sgl post count for next round of posting */
+ post_cnt = 0;
+ }
+
+ /* free the els sgls failed to post */
+ lpfc_free_sgl_list(phba, &free_sgl_list);
+
+ /* push els sgls posted to the availble list */
+ if (!list_empty(&post_sgl_list)) {
+ spin_lock(&phba->hbalock);
+ list_splice_init(&post_sgl_list,
+ &phba->sli4_hba.lpfc_sgl_list);
+ spin_unlock(&phba->hbalock);
+ } else {
+ lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+ "3161 Failure to post els sgl to port.\n");
+ return -EIO;
+ }
+ return 0;
+}
+
+/**
* lpfc_sli4_hba_setup - SLI4 device intialization PCI function
* @phba: Pointer to HBA context object.
*
@@ -6063,8 +6209,6 @@
"rc = x%x\n", rc);
goto out_free_mbox;
}
- /* update physical xri mappings in the scsi buffers */
- lpfc_scsi_buf_update(phba);
/* Read the port's service parameters. */
rc = lpfc_read_sparam(phba, mboxq, vport->vpi);
@@ -6105,28 +6249,26 @@
fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
- /* Register SGL pool to the device using non-embedded mailbox command */
- if (!phba->sli4_hba.extents_in_use) {
- rc = lpfc_sli4_post_els_sgl_list(phba);
- if (unlikely(rc)) {
- lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
- "0582 Error %d during els sgl post "
- "operation\n", rc);
- rc = -ENODEV;
- goto out_free_mbox;
- }
- } else {
- rc = lpfc_sli4_post_els_sgl_list_ext(phba);
- if (unlikely(rc)) {
- lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
- "2560 Error %d during els sgl post "
- "operation\n", rc);
- rc = -ENODEV;
- goto out_free_mbox;
- }
+ /* update host els and scsi xri-sgl sizes and mappings */
+ rc = lpfc_sli4_xri_sgl_update(phba);
+ if (unlikely(rc)) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
+ "1400 Failed to update xri-sgl size and "
+ "mapping: %d\n", rc);
+ goto out_free_mbox;
}
- /* Register SCSI SGL pool to the device */
+ /* register the els sgl pool to the port */
+ rc = lpfc_sli4_repost_els_sgl_list(phba);
+ if (unlikely(rc)) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
+ "0582 Error %d during els sgl post "
+ "operation\n", rc);
+ rc = -ENODEV;
+ goto out_free_mbox;
+ }
+
+ /* 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,
@@ -13080,9 +13222,7 @@
} else {
set_bit(xri, phba->sli4_hba.xri_bmask);
phba->sli4_hba.max_cfg_param.xri_used++;
- phba->sli4_hba.xri_count++;
}
-
spin_unlock_irq(&phba->hbalock);
return xri;
}
@@ -13098,7 +13238,6 @@
__lpfc_sli4_free_xri(struct lpfc_hba *phba, int xri)
{
if (test_and_clear_bit(xri, phba->sli4_hba.xri_bmask)) {
- phba->sli4_hba.xri_count--;
phba->sli4_hba.max_cfg_param.xri_used--;
}
}
@@ -13149,31 +13288,32 @@
/**
* lpfc_sli4_post_els_sgl_list - post a block of ELS sgls to the port.
* @phba: pointer to lpfc hba data structure.
+ * @post_sgl_list: pointer to els sgl entry list.
+ * @count: number of els sgl entries on the list.
*
* This routine is invoked to post a block of driver's sgl pages to the
* HBA using non-embedded mailbox command. No Lock is held. This routine
* is only called when the driver is loading and after all IO has been
* stopped.
**/
-int
-lpfc_sli4_post_els_sgl_list(struct lpfc_hba *phba)
+static int
+lpfc_sli4_post_els_sgl_list(struct lpfc_hba *phba,
+ struct list_head *post_sgl_list,
+ int post_cnt)
{
- struct lpfc_sglq *sglq_entry;
+ struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
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, lxri = 0;
- int els_xri_cnt, rc = 0;
+ uint16_t xritag_start = 0;
+ int rc = 0;
uint32_t shdr_status, shdr_add_status;
union lpfc_sli4_cfg_shdr *shdr;
- /* The number of sgls to be posted */
- els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
-
- reqlen = els_xri_cnt * sizeof(struct sgl_page_pairs) +
+ reqlen = phba->sli4_hba.els_xri_cnt * 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,
@@ -13203,25 +13343,8 @@
sgl = (struct lpfc_mbx_post_uembed_sgl_page1 *)viraddr;
sgl_pg_pairs = &sgl->sgl_pg_pairs;
- for (pg_pairs = 0; pg_pairs < els_xri_cnt; pg_pairs++) {
- sglq_entry = phba->sli4_hba.lpfc_els_sgl_array[pg_pairs];
-
- /*
- * Assign the sglq a physical xri only if the driver has not
- * initialized those resources. A port reset only needs
- * the sglq's posted.
- */
- if (bf_get(lpfc_xri_rsrc_rdy, &phba->sli4_hba.sli4_flags) !=
- LPFC_XRI_RSRC_RDY) {
- lxri = lpfc_sli4_next_xritag(phba);
- if (lxri == NO_XRI) {
- lpfc_sli4_mbox_cmd_free(phba, mbox);
- return -ENOMEM;
- }
- sglq_entry->sli4_lxritag = lxri;
- sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri];
- }
-
+ pg_pairs = 0;
+ list_for_each_entry_safe(sglq_entry, sglq_next, post_sgl_list, list) {
/* Set up the sge entry */
sgl_pg_pairs->sgl_pg0_addr_lo =
cpu_to_le32(putPaddrLow(sglq_entry->phys));
@@ -13236,11 +13359,12 @@
if (pg_pairs == 0)
xritag_start = sglq_entry->sli4_xritag;
sgl_pg_pairs++;
+ pg_pairs++;
}
/* Complete initialization and perform endian conversion. */
bf_set(lpfc_post_sgl_pages_xri, sgl, xritag_start);
- bf_set(lpfc_post_sgl_pages_xricnt, sgl, els_xri_cnt);
+ bf_set(lpfc_post_sgl_pages_xricnt, sgl, phba->sli4_hba.els_xri_cnt);
sgl->word0 = cpu_to_le32(sgl->word0);
if (!phba->sli4_hba.intr_enable)
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
@@ -13260,183 +13384,6 @@
shdr_status, shdr_add_status, rc);
rc = -ENXIO;
}
-
- if (rc == 0)
- bf_set(lpfc_xri_rsrc_rdy, &phba->sli4_hba.sli4_flags,
- LPFC_XRI_RSRC_RDY);
- return rc;
-}
-
-/**
- * lpfc_sli4_post_els_sgl_list_ext - post a block of ELS sgls to the port.
- * @phba: pointer to lpfc hba data structure.
- *
- * This routine is invoked to post a block of driver's sgl pages to the
- * HBA using non-embedded mailbox command. No Lock is held. This routine
- * is only called when the driver is loading and after all IO has been
- * stopped.
- **/
-int
-lpfc_sli4_post_els_sgl_list_ext(struct lpfc_hba *phba)
-{
- struct lpfc_sglq *sglq_entry;
- 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, index;
- uint32_t mbox_tmo;
- uint16_t rsrc_start, rsrc_size, els_xri_cnt, post_els_xri_cnt;
- uint16_t xritag_start = 0, lxri = 0;
- struct lpfc_rsrc_blks *rsrc_blk;
- int cnt, ttl_cnt, rc = 0;
- int loop_cnt;
- uint32_t shdr_status, shdr_add_status;
- union lpfc_sli4_cfg_shdr *shdr;
-
- /* The number of sgls to be posted */
- els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
-
- reqlen = els_xri_cnt * 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,
- "2989 Block sgl registration required DMA "
- "size (%d) great than a page\n", reqlen);
- return -ENOMEM;
- }
-
- cnt = 0;
- ttl_cnt = 0;
- post_els_xri_cnt = els_xri_cnt;
- list_for_each_entry(rsrc_blk, &phba->sli4_hba.lpfc_xri_blk_list,
- list) {
- rsrc_start = rsrc_blk->rsrc_start;
- rsrc_size = rsrc_blk->rsrc_size;
-
- lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
- "3014 Working ELS Extent start %d, cnt %d\n",
- rsrc_start, rsrc_size);
-
- loop_cnt = min(post_els_xri_cnt, rsrc_size);
- if (loop_cnt < post_els_xri_cnt) {
- post_els_xri_cnt -= loop_cnt;
- ttl_cnt += loop_cnt;
- } else
- ttl_cnt += post_els_xri_cnt;
-
- mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
- if (!mbox)
- 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,
- "2987 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;
- }
-
- /* Set up the SGL pages in the non-embedded DMA pages */
- viraddr = mbox->sge_array->addr[0];
- sgl = (struct lpfc_mbx_post_uembed_sgl_page1 *)viraddr;
- sgl_pg_pairs = &sgl->sgl_pg_pairs;
-
- /*
- * The starting resource may not begin at zero. Control
- * the loop variants via the block resource parameters,
- * but handle the sge pointers with a zero-based index
- * that doesn't get reset per loop pass.
- */
- for (index = rsrc_start;
- index < rsrc_start + loop_cnt;
- index++) {
- sglq_entry = phba->sli4_hba.lpfc_els_sgl_array[cnt];
-
- /*
- * Assign the sglq a physical xri only if the driver
- * has not initialized those resources. A port reset
- * only needs the sglq's posted.
- */
- if (bf_get(lpfc_xri_rsrc_rdy,
- &phba->sli4_hba.sli4_flags) !=
- LPFC_XRI_RSRC_RDY) {
- lxri = lpfc_sli4_next_xritag(phba);
- if (lxri == NO_XRI) {
- lpfc_sli4_mbox_cmd_free(phba, mbox);
- rc = -ENOMEM;
- goto err_exit;
- }
- sglq_entry->sli4_lxritag = lxri;
- sglq_entry->sli4_xritag =
- phba->sli4_hba.xri_ids[lxri];
- }
-
- /* Set up the sge entry */
- sgl_pg_pairs->sgl_pg0_addr_lo =
- cpu_to_le32(putPaddrLow(sglq_entry->phys));
- sgl_pg_pairs->sgl_pg0_addr_hi =
- cpu_to_le32(putPaddrHigh(sglq_entry->phys));
- sgl_pg_pairs->sgl_pg1_addr_lo =
- cpu_to_le32(putPaddrLow(0));
- sgl_pg_pairs->sgl_pg1_addr_hi =
- cpu_to_le32(putPaddrHigh(0));
-
- /* Track the starting physical XRI for the mailbox. */
- if (index == rsrc_start)
- xritag_start = sglq_entry->sli4_xritag;
- sgl_pg_pairs++;
- cnt++;
- }
-
- /* Complete initialization and perform endian conversion. */
- rsrc_blk->rsrc_used += loop_cnt;
- bf_set(lpfc_post_sgl_pages_xri, sgl, xritag_start);
- bf_set(lpfc_post_sgl_pages_xricnt, sgl, loop_cnt);
- sgl->word0 = cpu_to_le32(sgl->word0);
-
- lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
- "3015 Post ELS Extent SGL, start %d, "
- "cnt %d, used %d\n",
- xritag_start, loop_cnt, rsrc_blk->rsrc_used);
- 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,
- "2988 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;
- goto err_exit;
- }
- if (ttl_cnt >= els_xri_cnt)
- break;
- }
-
- err_exit:
- if (rc == 0)
- bf_set(lpfc_xri_rsrc_rdy, &phba->sli4_hba.sli4_flags,
- LPFC_XRI_RSRC_RDY);
return rc;
}
@@ -13452,8 +13399,9 @@
*
**/
int
-lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *phba, struct list_head *sblist,
- int cnt)
+lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *phba,
+ struct list_head *sblist,
+ int count)
{
struct lpfc_scsi_buf *psb;
struct lpfc_mbx_post_uembed_sgl_page1 *sgl;
@@ -13469,7 +13417,7 @@
union lpfc_sli4_cfg_shdr *shdr;
/* Calculate the requested length of the dma memory */
- reqlen = cnt * sizeof(struct sgl_page_pairs) +
+ 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,
@@ -13553,169 +13501,6 @@
}
/**
- * lpfc_sli4_post_scsi_sgl_blk_ext - post a block of scsi sgls to the port.
- * @phba: pointer to lpfc hba data structure.
- * @sblist: pointer to scsi 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.
- * No Lock is held.
- *
- **/
-int
-lpfc_sli4_post_scsi_sgl_blk_ext(struct lpfc_hba *phba, struct list_head *sblist,
- int cnt)
-{
- struct lpfc_scsi_buf *psb = NULL;
- 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 xri_start = 0, scsi_xri_start;
- uint16_t rsrc_range;
- int rc = 0, avail_cnt;
- uint32_t shdr_status, shdr_add_status;
- dma_addr_t pdma_phys_bpl1;
- union lpfc_sli4_cfg_shdr *shdr;
- struct lpfc_rsrc_blks *rsrc_blk;
- uint32_t xri_cnt = 0;
-
- /* Calculate the total requested length of the dma memory */
- reqlen = cnt * 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,
- "2932 Block sgl registration required DMA "
- "size (%d) great than a page\n", reqlen);
- return -ENOMEM;
- }
-
- /*
- * The use of extents requires the driver to post the sgl headers
- * in multiple postings to meet the contiguous resource assignment.
- */
- psb = list_prepare_entry(psb, sblist, list);
- scsi_xri_start = phba->sli4_hba.scsi_xri_start;
- list_for_each_entry(rsrc_blk, &phba->sli4_hba.lpfc_xri_blk_list,
- list) {
- rsrc_range = rsrc_blk->rsrc_start + rsrc_blk->rsrc_size;
- if (rsrc_range < scsi_xri_start)
- continue;
- else if (rsrc_blk->rsrc_used >= rsrc_blk->rsrc_size)
- continue;
- else
- avail_cnt = rsrc_blk->rsrc_size - rsrc_blk->rsrc_used;
-
- reqlen = (avail_cnt * sizeof(struct sgl_page_pairs)) +
- sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t);
- /*
- * Allocate DMA memory and set up the non-embedded mailbox
- * command. The mbox is used to post an SGL page per loop
- * but the DMA memory has a use-once semantic so the mailbox
- * is used and freed per loop pass.
- */
- mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
- if (!mbox) {
- lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
- "2933 Failed to allocate mbox cmd "
- "memory\n");
- return -ENOMEM;
- }
- 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,
- "2934 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 tracks posted SGEs per loop iteration. */
- pg_pairs = 0;
- list_for_each_entry_continue(psb, sblist, list) {
- /* Set up the sge entry */
- sgl_pg_pairs->sgl_pg0_addr_lo =
- cpu_to_le32(putPaddrLow(psb->dma_phys_bpl));
- sgl_pg_pairs->sgl_pg0_addr_hi =
- cpu_to_le32(putPaddrHigh(psb->dma_phys_bpl));
- if (phba->cfg_sg_dma_buf_size > SGL_PAGE_SIZE)
- pdma_phys_bpl1 = psb->dma_phys_bpl +
- 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 xri for this extent. */
- if (pg_pairs == 0)
- xri_start = psb->cur_iocbq.sli4_xritag;
- sgl_pg_pairs++;
- pg_pairs++;
- xri_cnt++;
-
- /*
- * Track two exit conditions - the loop has constructed
- * all of the caller's SGE pairs or all available
- * resource IDs in this extent are consumed.
- */
- if ((xri_cnt == cnt) || (pg_pairs >= avail_cnt))
- break;
- }
- rsrc_blk->rsrc_used += pg_pairs;
- bf_set(lpfc_post_sgl_pages_xri, sgl, xri_start);
- bf_set(lpfc_post_sgl_pages_xricnt, sgl, pg_pairs);
-
- lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
- "3016 Post SCSI Extent SGL, start %d, cnt %d "
- "blk use %d\n",
- xri_start, pg_pairs, rsrc_blk->rsrc_used);
- /* 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,
- "2935 POST_SGL_BLOCK mailbox command "
- "failed status x%x add_status x%x "
- "mbx status x%x\n",
- shdr_status, shdr_add_status, rc);
- return -ENXIO;
- }
-
- /* Post only what is requested. */
- if (xri_cnt >= cnt)
- break;
- }
- return rc;
-}
-
-/**
* 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)