[SCSI] lpfc 8.3.24: Add resource extent support
This patch adds support for hardware that returns resource ids via
extents rather than contiguous ranges.
[jejb: checkpatch.pl fixes]
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 fcfa8c8..98999bb 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -459,7 +459,6 @@
struct lpfc_iocbq * iocbq = NULL;
list_remove_head(lpfc_iocb_list, iocbq, struct lpfc_iocbq, list);
-
if (iocbq)
phba->iocb_cnt++;
if (phba->iocb_cnt > phba->iocb_max)
@@ -482,13 +481,10 @@
static struct lpfc_sglq *
__lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xritag)
{
- uint16_t adj_xri;
struct lpfc_sglq *sglq;
- adj_xri = xritag - phba->sli4_hba.max_cfg_param.xri_base;
- if (adj_xri > phba->sli4_hba.max_cfg_param.max_xri)
- return NULL;
- sglq = phba->sli4_hba.lpfc_sglq_active_list[adj_xri];
- phba->sli4_hba.lpfc_sglq_active_list[adj_xri] = NULL;
+
+ sglq = phba->sli4_hba.lpfc_sglq_active_list[xritag];
+ phba->sli4_hba.lpfc_sglq_active_list[xritag] = NULL;
return sglq;
}
@@ -507,12 +503,9 @@
struct lpfc_sglq *
__lpfc_get_active_sglq(struct lpfc_hba *phba, uint16_t xritag)
{
- uint16_t adj_xri;
struct lpfc_sglq *sglq;
- adj_xri = xritag - phba->sli4_hba.max_cfg_param.xri_base;
- if (adj_xri > phba->sli4_hba.max_cfg_param.max_xri)
- return NULL;
- sglq = phba->sli4_hba.lpfc_sglq_active_list[adj_xri];
+
+ sglq = phba->sli4_hba.lpfc_sglq_active_list[xritag];
return sglq;
}
@@ -535,7 +528,6 @@
__lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
uint16_t xritag, uint16_t rxid, uint16_t send_rrq)
{
- uint16_t adj_xri;
struct lpfc_node_rrq *rrq;
int empty;
uint32_t did = 0;
@@ -556,21 +548,19 @@
/*
* set the active bit even if there is no mem available.
*/
- adj_xri = xritag - phba->sli4_hba.max_cfg_param.xri_base;
-
if (NLP_CHK_FREE_REQ(ndlp))
goto out;
if (ndlp->vport && (ndlp->vport->load_flag & FC_UNLOADING))
goto out;
- if (test_and_set_bit(adj_xri, ndlp->active_rrqs.xri_bitmap))
+ if (test_and_set_bit(xritag, ndlp->active_rrqs.xri_bitmap))
goto out;
rrq = mempool_alloc(phba->rrq_pool, GFP_KERNEL);
if (rrq) {
rrq->send_rrq = send_rrq;
- rrq->xritag = xritag;
+ rrq->xritag = phba->sli4_hba.xri_ids[xritag];
rrq->rrq_stop_time = jiffies + HZ * (phba->fc_ratov + 1);
rrq->ndlp = ndlp;
rrq->nlp_DID = ndlp->nlp_DID;
@@ -606,7 +596,6 @@
uint16_t xritag,
struct lpfc_node_rrq *rrq)
{
- uint16_t adj_xri;
struct lpfc_nodelist *ndlp = NULL;
if ((rrq->vport) && NLP_CHK_NODE_ACT(rrq->ndlp))
@@ -622,8 +611,7 @@
if (!ndlp)
goto out;
- adj_xri = xritag - phba->sli4_hba.max_cfg_param.xri_base;
- if (test_and_clear_bit(adj_xri, ndlp->active_rrqs.xri_bitmap)) {
+ if (test_and_clear_bit(xritag, ndlp->active_rrqs.xri_bitmap)) {
rrq->send_rrq = 0;
rrq->xritag = 0;
rrq->rrq_stop_time = 0;
@@ -799,12 +787,9 @@
lpfc_test_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
uint16_t xritag)
{
- uint16_t adj_xri;
-
- adj_xri = xritag - phba->sli4_hba.max_cfg_param.xri_base;
if (!ndlp)
return 0;
- if (test_bit(adj_xri, ndlp->active_rrqs.xri_bitmap))
+ if (test_bit(xritag, ndlp->active_rrqs.xri_bitmap))
return 1;
else
return 0;
@@ -844,7 +829,7 @@
* @piocb: Pointer to the iocbq.
*
* This function is called with hbalock held. This function
- * Gets a new driver sglq object from the sglq list. If the
+ * gets a new driver sglq object from the sglq list. If the
* list is not empty then it is successful, it returns pointer to the newly
* allocated sglq object else it returns NULL.
**/
@@ -854,7 +839,6 @@
struct list_head *lpfc_sgl_list = &phba->sli4_hba.lpfc_sgl_list;
struct lpfc_sglq *sglq = NULL;
struct lpfc_sglq *start_sglq = NULL;
- uint16_t adj_xri;
struct lpfc_scsi_buf *lpfc_cmd;
struct lpfc_nodelist *ndlp;
int found = 0;
@@ -873,8 +857,6 @@
while (!found) {
if (!sglq)
return NULL;
- adj_xri = sglq->sli4_xritag -
- phba->sli4_hba.max_cfg_param.xri_base;
if (lpfc_test_rrq_active(phba, ndlp, sglq->sli4_xritag)) {
/* This xri has an rrq outstanding for this DID.
* put it back in the list and get another xri.
@@ -891,7 +873,7 @@
}
sglq->ndlp = ndlp;
found = 1;
- phba->sli4_hba.lpfc_sglq_active_list[adj_xri] = sglq;
+ phba->sli4_hba.lpfc_sglq_active_list[sglq->sli4_lxritag] = sglq;
sglq->state = SGL_ALLOCATED;
}
return sglq;
@@ -947,7 +929,8 @@
if (iocbq->sli4_xritag == NO_XRI)
sglq = NULL;
else
- sglq = __lpfc_clear_active_sglq(phba, iocbq->sli4_xritag);
+ sglq = __lpfc_clear_active_sglq(phba, iocbq->sli4_lxritag);
+
if (sglq) {
if ((iocbq->iocb_flag & LPFC_EXCHANGE_BUSY) &&
(sglq->state != SGL_XRI_ABORTED)) {
@@ -974,6 +957,7 @@
* Clean all volatile data fields, preserve iotag and node struct.
*/
memset((char *)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean);
+ iocbq->sli4_lxritag = NO_XRI;
iocbq->sli4_xritag = NO_XRI;
list_add_tail(&iocbq->list, &phba->lpfc_iocb_list);
}
@@ -2116,7 +2100,7 @@
pmb->u.mb.mbxCommand == MBX_REG_LOGIN64 &&
!pmb->u.mb.mbxStatus) {
rpi = pmb->u.mb.un.varWords[0];
- vpi = pmb->u.mb.un.varRegLogin.vpi - phba->vpi_base;
+ vpi = pmb->u.mb.un.varRegLogin.vpi;
lpfc_unreg_login(phba, vpi, rpi, pmb);
pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
@@ -4323,6 +4307,7 @@
continue;
} else if (rc)
break;
+
phba->link_state = LPFC_INIT_MBX_CMDS;
lpfc_config_port(phba, pmb);
rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
@@ -4426,7 +4411,8 @@
lpfc_sli_hba_setup(struct lpfc_hba *phba)
{
uint32_t rc;
- int mode = 3;
+ int mode = 3, i;
+ int longs;
switch (lpfc_sli_mode) {
case 2:
@@ -4496,6 +4482,35 @@
if (rc)
goto lpfc_sli_hba_setup_error;
+ /* Initialize VPIs. */
+ if (phba->sli_rev == LPFC_SLI_REV3) {
+ /*
+ * The VPI bitmask and physical ID array are allocated
+ * and initialized once only - at driver load. A port
+ * reset doesn't need to reinitialize this memory.
+ */
+ if ((phba->vpi_bmask == NULL) && (phba->vpi_ids == NULL)) {
+ longs = (phba->max_vpi + BITS_PER_LONG) / BITS_PER_LONG;
+ phba->vpi_bmask = kzalloc(longs * sizeof(unsigned long),
+ GFP_KERNEL);
+ if (!phba->vpi_bmask) {
+ rc = -ENOMEM;
+ goto lpfc_sli_hba_setup_error;
+ }
+
+ phba->vpi_ids = kzalloc(
+ (phba->max_vpi+1) * sizeof(uint16_t),
+ GFP_KERNEL);
+ if (!phba->vpi_ids) {
+ kfree(phba->vpi_bmask);
+ rc = -ENOMEM;
+ goto lpfc_sli_hba_setup_error;
+ }
+ for (i = 0; i < phba->max_vpi; i++)
+ phba->vpi_ids[i] = i;
+ }
+ }
+
/* Init HBQs */
if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
rc = lpfc_sli_hbq_setup(phba);
@@ -4694,6 +4709,803 @@
}
/**
+ * lpfc_sli4_get_avail_extnt_rsrc - Get available resource extent count.
+ * @phba: Pointer to HBA context object.
+ * @type: The resource extent type.
+ *
+ * This function allocates all SLI4 resource identifiers.
+ **/
+static int
+lpfc_sli4_get_avail_extnt_rsrc(struct lpfc_hba *phba, uint16_t type,
+ uint16_t *extnt_count, uint16_t *extnt_size)
+{
+ int rc = 0;
+ uint32_t length;
+ uint32_t mbox_tmo;
+ struct lpfc_mbx_get_rsrc_extent_info *rsrc_info;
+ LPFC_MBOXQ_t *mbox;
+
+ mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!mbox)
+ return -ENOMEM;
+
+ /* Find out how many extents are available for this resource type */
+ length = (sizeof(struct lpfc_mbx_get_rsrc_extent_info) -
+ sizeof(struct lpfc_sli4_cfg_mhdr));
+ lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
+ LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO,
+ length, LPFC_SLI4_MBX_EMBED);
+
+ /* Send an extents count of 0 - the GET doesn't use it. */
+ rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, 0, type,
+ LPFC_SLI4_MBX_EMBED);
+ if (unlikely(rc)) {
+ rc = -EIO;
+ goto err_exit;
+ }
+
+ if (!phba->sli4_hba.intr_enable)
+ rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
+ else {
+ mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
+ rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
+ }
+ if (unlikely(rc)) {
+ rc = -EIO;
+ goto err_exit;
+ }
+
+ rsrc_info = &mbox->u.mqe.un.rsrc_extent_info;
+ if (bf_get(lpfc_mbox_hdr_status,
+ &rsrc_info->header.cfg_shdr.response)) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT,
+ "2930 Failed to get resource extents "
+ "Status 0x%x Add'l Status 0x%x\n",
+ bf_get(lpfc_mbox_hdr_status,
+ &rsrc_info->header.cfg_shdr.response),
+ bf_get(lpfc_mbox_hdr_add_status,
+ &rsrc_info->header.cfg_shdr.response));
+ rc = -EIO;
+ goto err_exit;
+ }
+
+ *extnt_count = bf_get(lpfc_mbx_get_rsrc_extent_info_cnt,
+ &rsrc_info->u.rsp);
+ *extnt_size = bf_get(lpfc_mbx_get_rsrc_extent_info_size,
+ &rsrc_info->u.rsp);
+ err_exit:
+ mempool_free(mbox, phba->mbox_mem_pool);
+ return rc;
+}
+
+/**
+ * lpfc_sli4_chk_avail_extnt_rsrc - Check for available SLI4 resource extents.
+ * @phba: Pointer to HBA context object.
+ * @type: The extent type to check.
+ *
+ * This function reads the current available extents from the port and checks
+ * if the extent count or extent size has changed since the last access.
+ * Callers use this routine post port reset to understand if there is a
+ * extent reprovisioning requirement.
+ *
+ * Returns:
+ * -Error: error indicates problem.
+ * 1: Extent count or size has changed.
+ * 0: No changes.
+ **/
+static int
+lpfc_sli4_chk_avail_extnt_rsrc(struct lpfc_hba *phba, uint16_t type)
+{
+ uint16_t curr_ext_cnt, rsrc_ext_cnt;
+ uint16_t size_diff, rsrc_ext_size;
+ int rc = 0;
+ struct lpfc_rsrc_blks *rsrc_entry;
+ struct list_head *rsrc_blk_list = NULL;
+
+ size_diff = 0;
+ curr_ext_cnt = 0;
+ rc = lpfc_sli4_get_avail_extnt_rsrc(phba, type,
+ &rsrc_ext_cnt,
+ &rsrc_ext_size);
+ if (unlikely(rc))
+ return -EIO;
+
+ switch (type) {
+ case LPFC_RSC_TYPE_FCOE_RPI:
+ rsrc_blk_list = &phba->sli4_hba.lpfc_rpi_blk_list;
+ break;
+ case LPFC_RSC_TYPE_FCOE_VPI:
+ rsrc_blk_list = &phba->lpfc_vpi_blk_list;
+ break;
+ case LPFC_RSC_TYPE_FCOE_XRI:
+ rsrc_blk_list = &phba->sli4_hba.lpfc_xri_blk_list;
+ break;
+ case LPFC_RSC_TYPE_FCOE_VFI:
+ rsrc_blk_list = &phba->sli4_hba.lpfc_vfi_blk_list;
+ break;
+ default:
+ break;
+ }
+
+ list_for_each_entry(rsrc_entry, rsrc_blk_list, list) {
+ curr_ext_cnt++;
+ if (rsrc_entry->rsrc_size != rsrc_ext_size)
+ size_diff++;
+ }
+
+ if (curr_ext_cnt != rsrc_ext_cnt || size_diff != 0)
+ rc = 1;
+
+ return rc;
+}
+
+/**
+ * lpfc_sli4_cfg_post_extnts -
+ * @phba: Pointer to HBA context object.
+ * @extnt_cnt - number of available extents.
+ * @type - the extent type (rpi, xri, vfi, vpi).
+ * @emb - buffer to hold either MBX_EMBED or MBX_NEMBED operation.
+ * @mbox - pointer to the caller's allocated mailbox structure.
+ *
+ * This function executes the extents allocation request. It also
+ * takes care of the amount of memory needed to allocate or get the
+ * allocated extents. It is the caller's responsibility to evaluate
+ * the response.
+ *
+ * Returns:
+ * -Error: Error value describes the condition found.
+ * 0: if successful
+ **/
+static int
+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;
+ uint32_t req_len;
+ uint32_t emb_len;
+ uint32_t alloc_len, mbox_tmo;
+
+ /* Calculate the total requested length of the dma memory */
+ req_len = *extnt_cnt * sizeof(uint16_t);
+
+ /*
+ * Calculate the size of an embedded mailbox. The uint32_t
+ * accounts for extents-specific word.
+ */
+ emb_len = sizeof(MAILBOX_t) - sizeof(struct mbox_header) -
+ sizeof(uint32_t);
+
+ /*
+ * Presume the allocation and response will fit into an embedded
+ * mailbox. If not true, reconfigure to a non-embedded mailbox.
+ */
+ *emb = LPFC_SLI4_MBX_EMBED;
+ if (req_len > emb_len) {
+ req_len = *extnt_cnt * sizeof(uint16_t) +
+ sizeof(union lpfc_sli4_cfg_shdr) +
+ sizeof(uint32_t);
+ *emb = LPFC_SLI4_MBX_NEMBED;
+ }
+
+ alloc_len = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
+ LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT,
+ req_len, *emb);
+ if (alloc_len < req_len) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "9000 Allocated DMA memory size (x%x) is "
+ "less than the requested DMA memory "
+ "size (x%x)\n", alloc_len, req_len);
+ return -ENOMEM;
+ }
+ rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, *extnt_cnt, type, *emb);
+ if (unlikely(rc))
+ return -EIO;
+
+ if (!phba->sli4_hba.intr_enable)
+ rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
+ else {
+ mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
+ rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
+ }
+
+ if (unlikely(rc))
+ rc = -EIO;
+ return rc;
+}
+
+/**
+ * lpfc_sli4_alloc_extent - Allocate an SLI4 resource extent.
+ * @phba: Pointer to HBA context object.
+ * @type: The resource extent type to allocate.
+ *
+ * This function allocates the number of elements for the specified
+ * resource type.
+ **/
+static int
+lpfc_sli4_alloc_extent(struct lpfc_hba *phba, uint16_t type)
+{
+ bool emb = false;
+ uint16_t rsrc_id_cnt, rsrc_cnt, rsrc_size;
+ uint16_t rsrc_id, rsrc_start, j, k;
+ uint16_t *ids;
+ int i, rc;
+ unsigned long longs;
+ unsigned long *bmask;
+ struct lpfc_rsrc_blks *rsrc_blks;
+ LPFC_MBOXQ_t *mbox;
+ uint32_t length;
+ struct lpfc_id_range *id_array = NULL;
+ void *virtaddr = NULL;
+ struct lpfc_mbx_nembed_rsrc_extent *n_rsrc;
+ struct lpfc_mbx_alloc_rsrc_extents *rsrc_ext;
+ struct list_head *ext_blk_list;
+
+ rc = lpfc_sli4_get_avail_extnt_rsrc(phba, type,
+ &rsrc_cnt,
+ &rsrc_size);
+ if (unlikely(rc))
+ return -EIO;
+
+ if ((rsrc_cnt == 0) || (rsrc_size == 0)) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT,
+ "3009 No available Resource Extents "
+ "for resource type 0x%x: Count: 0x%x, "
+ "Size 0x%x\n", type, rsrc_cnt,
+ rsrc_size);
+ 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);
+
+ 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);
+ if (unlikely(rc)) {
+ rc = -EIO;
+ goto err_exit;
+ }
+
+ /*
+ * Figure out where the response is located. Then get local pointers
+ * to the response data. The port does not guarantee to respond to
+ * all extents counts request so update the local variable with the
+ * allocated count from the port.
+ */
+ if (emb == LPFC_SLI4_MBX_EMBED) {
+ rsrc_ext = &mbox->u.mqe.un.alloc_rsrc_extents;
+ id_array = &rsrc_ext->u.rsp.id[0];
+ rsrc_cnt = bf_get(lpfc_mbx_rsrc_cnt, &rsrc_ext->u.rsp);
+ } else {
+ virtaddr = mbox->sge_array->addr[0];
+ n_rsrc = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr;
+ rsrc_cnt = bf_get(lpfc_mbx_rsrc_cnt, n_rsrc);
+ id_array = &n_rsrc->id;
+ }
+
+ longs = ((rsrc_cnt * rsrc_size) + BITS_PER_LONG - 1) / BITS_PER_LONG;
+ rsrc_id_cnt = rsrc_cnt * rsrc_size;
+
+ /*
+ * Based on the resource size and count, correct the base and max
+ * resource values.
+ */
+ length = sizeof(struct lpfc_rsrc_blks);
+ switch (type) {
+ case LPFC_RSC_TYPE_FCOE_RPI:
+ phba->sli4_hba.rpi_bmask = kzalloc(longs *
+ sizeof(unsigned long),
+ GFP_KERNEL);
+ if (unlikely(!phba->sli4_hba.rpi_bmask)) {
+ rc = -ENOMEM;
+ goto err_exit;
+ }
+ phba->sli4_hba.rpi_ids = kzalloc(rsrc_id_cnt *
+ sizeof(uint16_t),
+ GFP_KERNEL);
+ if (unlikely(!phba->sli4_hba.rpi_ids)) {
+ kfree(phba->sli4_hba.rpi_bmask);
+ rc = -ENOMEM;
+ goto err_exit;
+ }
+
+ /*
+ * The next_rpi was initialized with the maximum available
+ * count but the port may allocate a smaller number. Catch
+ * that case and update the next_rpi.
+ */
+ phba->sli4_hba.next_rpi = rsrc_id_cnt;
+
+ /* Initialize local ptrs for common extent processing later. */
+ bmask = phba->sli4_hba.rpi_bmask;
+ ids = phba->sli4_hba.rpi_ids;
+ ext_blk_list = &phba->sli4_hba.lpfc_rpi_blk_list;
+ break;
+ case LPFC_RSC_TYPE_FCOE_VPI:
+ phba->vpi_bmask = kzalloc(longs *
+ sizeof(unsigned long),
+ GFP_KERNEL);
+ if (unlikely(!phba->vpi_bmask)) {
+ rc = -ENOMEM;
+ goto err_exit;
+ }
+ phba->vpi_ids = kzalloc(rsrc_id_cnt *
+ sizeof(uint16_t),
+ GFP_KERNEL);
+ if (unlikely(!phba->vpi_ids)) {
+ kfree(phba->vpi_bmask);
+ rc = -ENOMEM;
+ goto err_exit;
+ }
+
+ /* Initialize local ptrs for common extent processing later. */
+ bmask = phba->vpi_bmask;
+ ids = phba->vpi_ids;
+ ext_blk_list = &phba->lpfc_vpi_blk_list;
+ break;
+ case LPFC_RSC_TYPE_FCOE_XRI:
+ phba->sli4_hba.xri_bmask = kzalloc(longs *
+ sizeof(unsigned long),
+ GFP_KERNEL);
+ if (unlikely(!phba->sli4_hba.xri_bmask)) {
+ rc = -ENOMEM;
+ goto err_exit;
+ }
+ phba->sli4_hba.xri_ids = kzalloc(rsrc_id_cnt *
+ sizeof(uint16_t),
+ GFP_KERNEL);
+ if (unlikely(!phba->sli4_hba.xri_ids)) {
+ kfree(phba->sli4_hba.xri_bmask);
+ rc = -ENOMEM;
+ goto err_exit;
+ }
+
+ /* Initialize local ptrs for common extent processing later. */
+ bmask = phba->sli4_hba.xri_bmask;
+ ids = phba->sli4_hba.xri_ids;
+ ext_blk_list = &phba->sli4_hba.lpfc_xri_blk_list;
+ break;
+ case LPFC_RSC_TYPE_FCOE_VFI:
+ phba->sli4_hba.vfi_bmask = kzalloc(longs *
+ sizeof(unsigned long),
+ GFP_KERNEL);
+ if (unlikely(!phba->sli4_hba.vfi_bmask)) {
+ rc = -ENOMEM;
+ goto err_exit;
+ }
+ phba->sli4_hba.vfi_ids = kzalloc(rsrc_id_cnt *
+ sizeof(uint16_t),
+ GFP_KERNEL);
+ if (unlikely(!phba->sli4_hba.vfi_ids)) {
+ kfree(phba->sli4_hba.vfi_bmask);
+ rc = -ENOMEM;
+ goto err_exit;
+ }
+
+ /* Initialize local ptrs for common extent processing later. */
+ bmask = phba->sli4_hba.vfi_bmask;
+ ids = phba->sli4_hba.vfi_ids;
+ ext_blk_list = &phba->sli4_hba.lpfc_vfi_blk_list;
+ break;
+ default:
+ /* Unsupported Opcode. Fail call. */
+ id_array = NULL;
+ bmask = NULL;
+ ids = NULL;
+ ext_blk_list = NULL;
+ goto err_exit;
+ }
+
+ /*
+ * Complete initializing the extent configuration with the
+ * allocated ids assigned to this function. The bitmask serves
+ * as an index into the array and manages the available ids. The
+ * array just stores the ids communicated to the port via the wqes.
+ */
+ for (i = 0, j = 0, k = 0; i < rsrc_cnt; i++) {
+ if ((i % 2) == 0)
+ rsrc_id = bf_get(lpfc_mbx_rsrc_id_word4_0,
+ &id_array[k]);
+ else
+ rsrc_id = bf_get(lpfc_mbx_rsrc_id_word4_1,
+ &id_array[k]);
+
+ rsrc_blks = kzalloc(length, GFP_KERNEL);
+ if (unlikely(!rsrc_blks)) {
+ rc = -ENOMEM;
+ kfree(bmask);
+ kfree(ids);
+ goto err_exit;
+ }
+ rsrc_blks->rsrc_start = rsrc_id;
+ rsrc_blks->rsrc_size = rsrc_size;
+ 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 +
+ lpfc_sli4_get_els_iocb_cnt(phba);
+
+ while (rsrc_id < (rsrc_start + rsrc_size)) {
+ ids[j] = rsrc_id;
+ rsrc_id++;
+ j++;
+ }
+ /* Entire word processed. Get next word.*/
+ if ((i % 2) == 1)
+ k++;
+ }
+ err_exit:
+ lpfc_sli4_mbox_cmd_free(phba, mbox);
+ return rc;
+}
+
+/**
+ * lpfc_sli4_dealloc_extent - Deallocate an SLI4 resource extent.
+ * @phba: Pointer to HBA context object.
+ * @type: the extent's type.
+ *
+ * This function deallocates all extents of a particular resource type.
+ * SLI4 does not allow for deallocating a particular extent range. It
+ * is the caller's responsibility to release all kernel memory resources.
+ **/
+static int
+lpfc_sli4_dealloc_extent(struct lpfc_hba *phba, uint16_t type)
+{
+ int rc;
+ uint32_t length, mbox_tmo = 0;
+ LPFC_MBOXQ_t *mbox;
+ struct lpfc_mbx_dealloc_rsrc_extents *dealloc_rsrc;
+ struct lpfc_rsrc_blks *rsrc_blk, *rsrc_blk_next;
+
+ mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!mbox)
+ return -ENOMEM;
+
+ /*
+ * This function sends an embedded mailbox because it only sends the
+ * the resource type. All extents of this type are released by the
+ * port.
+ */
+ length = (sizeof(struct lpfc_mbx_dealloc_rsrc_extents) -
+ sizeof(struct lpfc_sli4_cfg_mhdr));
+ lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
+ LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT,
+ length, LPFC_SLI4_MBX_EMBED);
+
+ /* Send an extents count of 0 - the dealloc doesn't use it. */
+ rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, 0, type,
+ LPFC_SLI4_MBX_EMBED);
+ if (unlikely(rc)) {
+ rc = -EIO;
+ goto out_free_mbox;
+ }
+ if (!phba->sli4_hba.intr_enable)
+ rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
+ else {
+ mbox_tmo = lpfc_mbox_tmo_val(phba, mbox_tmo);
+ rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
+ }
+ if (unlikely(rc)) {
+ rc = -EIO;
+ goto out_free_mbox;
+ }
+
+ dealloc_rsrc = &mbox->u.mqe.un.dealloc_rsrc_extents;
+ if (bf_get(lpfc_mbox_hdr_status,
+ &dealloc_rsrc->header.cfg_shdr.response)) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT,
+ "2919 Failed to release resource extents "
+ "for type %d - Status 0x%x Add'l Status 0x%x. "
+ "Resource memory not released.\n",
+ type,
+ bf_get(lpfc_mbox_hdr_status,
+ &dealloc_rsrc->header.cfg_shdr.response),
+ bf_get(lpfc_mbox_hdr_add_status,
+ &dealloc_rsrc->header.cfg_shdr.response));
+ rc = -EIO;
+ goto out_free_mbox;
+ }
+
+ /* Release kernel memory resources for the specific type. */
+ switch (type) {
+ case LPFC_RSC_TYPE_FCOE_VPI:
+ kfree(phba->vpi_bmask);
+ kfree(phba->vpi_ids);
+ bf_set(lpfc_vpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0);
+ list_for_each_entry_safe(rsrc_blk, rsrc_blk_next,
+ &phba->lpfc_vpi_blk_list, list) {
+ list_del_init(&rsrc_blk->list);
+ kfree(rsrc_blk);
+ }
+ break;
+ 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);
+ kfree(rsrc_blk);
+ }
+ break;
+ case LPFC_RSC_TYPE_FCOE_VFI:
+ kfree(phba->sli4_hba.vfi_bmask);
+ kfree(phba->sli4_hba.vfi_ids);
+ bf_set(lpfc_vfi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0);
+ list_for_each_entry_safe(rsrc_blk, rsrc_blk_next,
+ &phba->sli4_hba.lpfc_vfi_blk_list, list) {
+ list_del_init(&rsrc_blk->list);
+ kfree(rsrc_blk);
+ }
+ break;
+ case LPFC_RSC_TYPE_FCOE_RPI:
+ /* RPI bitmask and physical id array are cleaned up earlier. */
+ list_for_each_entry_safe(rsrc_blk, rsrc_blk_next,
+ &phba->sli4_hba.lpfc_rpi_blk_list, list) {
+ list_del_init(&rsrc_blk->list);
+ kfree(rsrc_blk);
+ }
+ break;
+ default:
+ break;
+ }
+
+ bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0);
+
+ out_free_mbox:
+ mempool_free(mbox, phba->mbox_mem_pool);
+ return rc;
+}
+
+/**
+ * lpfc_sli4_alloc_resource_identifiers - Allocate all SLI4 resource extents.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function allocates all SLI4 resource identifiers.
+ **/
+int
+lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *phba)
+{
+ int i, rc, error = 0;
+ uint16_t count, base;
+ unsigned long longs;
+
+ if (phba->sli4_hba.extents_in_use) {
+ /*
+ * The port supports resource extents. The XRI, VPI, VFI, RPI
+ * resource extent count must be read and allocated before
+ * provisioning the resource id arrays.
+ */
+ if (bf_get(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags) ==
+ LPFC_IDX_RSRC_RDY) {
+ /*
+ * Extent-based resources are set - the driver could
+ * be in a port reset. Figure out if any corrective
+ * actions need to be taken.
+ */
+ rc = lpfc_sli4_chk_avail_extnt_rsrc(phba,
+ LPFC_RSC_TYPE_FCOE_VFI);
+ if (rc != 0)
+ error++;
+ rc = lpfc_sli4_chk_avail_extnt_rsrc(phba,
+ LPFC_RSC_TYPE_FCOE_VPI);
+ if (rc != 0)
+ error++;
+ rc = lpfc_sli4_chk_avail_extnt_rsrc(phba,
+ LPFC_RSC_TYPE_FCOE_XRI);
+ if (rc != 0)
+ error++;
+ rc = lpfc_sli4_chk_avail_extnt_rsrc(phba,
+ LPFC_RSC_TYPE_FCOE_RPI);
+ if (rc != 0)
+ error++;
+
+ /*
+ * It's possible that the number of resources
+ * provided to this port instance changed between
+ * resets. Detect this condition and reallocate
+ * resources. Otherwise, there is no action.
+ */
+ if (error) {
+ lpfc_printf_log(phba, KERN_INFO,
+ LOG_MBOX | LOG_INIT,
+ "2931 Detected extent resource "
+ "change. Reallocating all "
+ "extents.\n");
+ rc = lpfc_sli4_dealloc_extent(phba,
+ LPFC_RSC_TYPE_FCOE_VFI);
+ rc = lpfc_sli4_dealloc_extent(phba,
+ LPFC_RSC_TYPE_FCOE_VPI);
+ rc = lpfc_sli4_dealloc_extent(phba,
+ LPFC_RSC_TYPE_FCOE_XRI);
+ rc = lpfc_sli4_dealloc_extent(phba,
+ LPFC_RSC_TYPE_FCOE_RPI);
+ } else
+ return 0;
+ }
+
+ rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_VFI);
+ if (unlikely(rc))
+ goto err_exit;
+
+ rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_VPI);
+ if (unlikely(rc))
+ goto err_exit;
+
+ rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_RPI);
+ if (unlikely(rc))
+ goto err_exit;
+
+ rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_XRI);
+ if (unlikely(rc))
+ goto err_exit;
+ bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags,
+ LPFC_IDX_RSRC_RDY);
+ return rc;
+ } else {
+ /*
+ * The port does not support resource extents. The XRI, VPI,
+ * VFI, RPI resource ids were determined from READ_CONFIG.
+ * Just allocate the bitmasks and provision the resource id
+ * arrays. If a port reset is active, the resources don't
+ * need any action - just exit.
+ */
+ if (bf_get(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags) ==
+ LPFC_IDX_RSRC_RDY)
+ return 0;
+
+ /* RPIs. */
+ count = phba->sli4_hba.max_cfg_param.max_rpi;
+ base = phba->sli4_hba.max_cfg_param.rpi_base;
+ longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG;
+ phba->sli4_hba.rpi_bmask = kzalloc(longs *
+ sizeof(unsigned long),
+ GFP_KERNEL);
+ if (unlikely(!phba->sli4_hba.rpi_bmask)) {
+ rc = -ENOMEM;
+ goto err_exit;
+ }
+ phba->sli4_hba.rpi_ids = kzalloc(count *
+ sizeof(uint16_t),
+ GFP_KERNEL);
+ if (unlikely(!phba->sli4_hba.rpi_ids)) {
+ rc = -ENOMEM;
+ goto free_rpi_bmask;
+ }
+
+ for (i = 0; i < count; i++)
+ phba->sli4_hba.rpi_ids[i] = base + i;
+
+ /* VPIs. */
+ count = phba->sli4_hba.max_cfg_param.max_vpi;
+ base = phba->sli4_hba.max_cfg_param.vpi_base;
+ longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG;
+ phba->vpi_bmask = kzalloc(longs *
+ sizeof(unsigned long),
+ GFP_KERNEL);
+ if (unlikely(!phba->vpi_bmask)) {
+ rc = -ENOMEM;
+ goto free_rpi_ids;
+ }
+ phba->vpi_ids = kzalloc(count *
+ sizeof(uint16_t),
+ GFP_KERNEL);
+ if (unlikely(!phba->vpi_ids)) {
+ rc = -ENOMEM;
+ goto free_vpi_bmask;
+ }
+
+ for (i = 0; i < count; i++)
+ phba->vpi_ids[i] = base + i;
+
+ /* XRIs. */
+ count = phba->sli4_hba.max_cfg_param.max_xri;
+ base = phba->sli4_hba.max_cfg_param.xri_base;
+ longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG;
+ phba->sli4_hba.xri_bmask = kzalloc(longs *
+ sizeof(unsigned long),
+ GFP_KERNEL);
+ if (unlikely(!phba->sli4_hba.xri_bmask)) {
+ rc = -ENOMEM;
+ goto free_vpi_ids;
+ }
+ phba->sli4_hba.xri_ids = kzalloc(count *
+ sizeof(uint16_t),
+ GFP_KERNEL);
+ if (unlikely(!phba->sli4_hba.xri_ids)) {
+ rc = -ENOMEM;
+ goto free_xri_bmask;
+ }
+
+ for (i = 0; i < count; i++)
+ phba->sli4_hba.xri_ids[i] = base + i;
+
+ /* VFIs. */
+ count = phba->sli4_hba.max_cfg_param.max_vfi;
+ base = phba->sli4_hba.max_cfg_param.vfi_base;
+ longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG;
+ phba->sli4_hba.vfi_bmask = kzalloc(longs *
+ sizeof(unsigned long),
+ GFP_KERNEL);
+ if (unlikely(!phba->sli4_hba.vfi_bmask)) {
+ rc = -ENOMEM;
+ goto free_xri_ids;
+ }
+ phba->sli4_hba.vfi_ids = kzalloc(count *
+ sizeof(uint16_t),
+ GFP_KERNEL);
+ if (unlikely(!phba->sli4_hba.vfi_ids)) {
+ rc = -ENOMEM;
+ goto free_vfi_bmask;
+ }
+
+ for (i = 0; i < count; i++)
+ phba->sli4_hba.vfi_ids[i] = base + i;
+
+ /*
+ * Mark all resources ready. An HBA reset doesn't need
+ * to reset the initialization.
+ */
+ bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags,
+ LPFC_IDX_RSRC_RDY);
+ return 0;
+ }
+
+ free_vfi_bmask:
+ kfree(phba->sli4_hba.vfi_bmask);
+ free_xri_ids:
+ kfree(phba->sli4_hba.xri_ids);
+ free_xri_bmask:
+ kfree(phba->sli4_hba.xri_bmask);
+ free_vpi_ids:
+ kfree(phba->vpi_ids);
+ free_vpi_bmask:
+ kfree(phba->vpi_bmask);
+ free_rpi_ids:
+ kfree(phba->sli4_hba.rpi_ids);
+ free_rpi_bmask:
+ kfree(phba->sli4_hba.rpi_bmask);
+ err_exit:
+ return rc;
+}
+
+/**
+ * lpfc_sli4_dealloc_resource_identifiers - Deallocate all SLI4 resource extents.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function allocates the number of elements for the specified
+ * resource type.
+ **/
+int
+lpfc_sli4_dealloc_resource_identifiers(struct lpfc_hba *phba)
+{
+ if (phba->sli4_hba.extents_in_use) {
+ lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_VPI);
+ lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_RPI);
+ lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_XRI);
+ lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_VFI);
+ } else {
+ kfree(phba->vpi_bmask);
+ kfree(phba->vpi_ids);
+ 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);
+ bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0);
+ }
+
+ return 0;
+}
+
+/**
* lpfc_sli4_hba_setup - SLI4 device intialization PCI function
* @phba: Pointer to HBA context object.
*
@@ -4715,10 +5527,6 @@
struct lpfc_vport *vport = phba->pport;
struct lpfc_dmabuf *mp;
- /*
- * TODO: Why does this routine execute these task in a different
- * order from probe?
- */
/* Perform a PCI function reset to start from clean */
rc = lpfc_pci_function_reset(phba);
if (unlikely(rc))
@@ -4880,6 +5688,18 @@
phba->sli3_options |= (LPFC_SLI3_NPIV_ENABLED | LPFC_SLI3_HBQ_ENABLED);
spin_unlock_irq(&phba->hbalock);
+ /*
+ * Allocate all resources (xri,rpi,vpi,vfi) now. Subsequent
+ * calls depends on these resources to complete port setup.
+ */
+ rc = lpfc_sli4_alloc_resource_identifiers(phba);
+ if (rc) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
+ "2920 Failed to alloc Resource IDs "
+ "rc = x%x\n", rc);
+ goto out_free_mbox;
+ }
+
/* Read the port's service parameters. */
rc = lpfc_read_sparam(phba, mboxq, vport->vpi);
if (rc) {
@@ -4920,19 +5740,30 @@
fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
/* Register SGL pool to the device using non-embedded mailbox command */
- rc = lpfc_sli4_post_sgl_list(phba);
- if (unlikely(rc)) {
- lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
- "0582 Error %d during sgl post operation\n",
- rc);
- rc = -ENODEV;
- goto out_free_mbox;
+ 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;
+ }
}
/* Register SCSI SGL pool to the device */
rc = lpfc_sli4_repost_scsi_sgl_list(phba);
if (unlikely(rc)) {
- lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI,
+ 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 the abort scsi list */
@@ -6479,7 +7310,8 @@
els_id = ((iocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK)
>> LPFC_FIP_ELS_ID_SHIFT);
}
- bf_set(wqe_temp_rpi, &wqe->els_req.wqe_com, ndlp->nlp_rpi);
+ bf_set(wqe_temp_rpi, &wqe->els_req.wqe_com,
+ phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]);
bf_set(wqe_els_id, &wqe->els_req.wqe_com, els_id);
bf_set(wqe_dbde, &wqe->els_req.wqe_com, 1);
bf_set(wqe_iod, &wqe->els_req.wqe_com, LPFC_WQE_IOD_READ);
@@ -6628,14 +7460,15 @@
iocbq->iocb.ulpContext);
if (!iocbq->iocb.ulpCt_h && iocbq->iocb.ulpCt_l)
bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com,
- iocbq->vport->vpi + phba->vpi_base);
+ phba->vpi_ids[iocbq->vport->vpi]);
bf_set(wqe_dbde, &wqe->xmit_els_rsp.wqe_com, 1);
bf_set(wqe_iod, &wqe->xmit_els_rsp.wqe_com, LPFC_WQE_IOD_WRITE);
bf_set(wqe_qosd, &wqe->xmit_els_rsp.wqe_com, 1);
bf_set(wqe_lenloc, &wqe->xmit_els_rsp.wqe_com,
LPFC_WQE_LENLOC_WORD3);
bf_set(wqe_ebde_cnt, &wqe->xmit_els_rsp.wqe_com, 0);
- bf_set(wqe_rsp_temp_rpi, &wqe->xmit_els_rsp, ndlp->nlp_rpi);
+ bf_set(wqe_rsp_temp_rpi, &wqe->xmit_els_rsp,
+ phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]);
command_type = OTHER_COMMAND;
break;
case CMD_CLOSE_XRI_CN:
@@ -6734,6 +7567,7 @@
return IOCB_ERROR;
break;
}
+
bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag);
bf_set(wqe_reqtag, &wqe->generic.wqe_com, iocbq->iotag);
wqe->generic.wqe_com.abort_tag = abort_tag;
@@ -6781,7 +7615,7 @@
return IOCB_BUSY;
}
} else {
- sglq = __lpfc_sli_get_sglq(phba, piocb);
+ sglq = __lpfc_sli_get_sglq(phba, piocb);
if (!sglq) {
if (!(flag & SLI_IOCB_RET_IOCB)) {
__lpfc_sli_ringtx_put(phba,
@@ -6794,11 +7628,11 @@
}
}
} else if (piocb->iocb_flag & LPFC_IO_FCP) {
- sglq = NULL; /* These IO's already have an XRI and
- * a mapped sgl.
- */
+ /* These IO's already have an XRI and a mapped sgl. */
+ sglq = NULL;
} else {
- /* This is a continuation of a commandi,(CX) so this
+ /*
+ * This is a continuation of a commandi,(CX) so this
* sglq is on the active list
*/
sglq = __lpfc_get_active_sglq(phba, piocb->sli4_xritag);
@@ -6807,8 +7641,8 @@
}
if (sglq) {
+ piocb->sli4_lxritag = sglq->sli4_lxritag;
piocb->sli4_xritag = sglq->sli4_xritag;
-
if (NO_XRI == lpfc_sli4_bpl2sgl(phba, piocb, sglq))
return IOCB_ERROR;
}
@@ -11456,6 +12290,7 @@
LPFC_MBOXQ_t *mbox;
int rc;
uint32_t shdr_status, shdr_add_status;
+ uint32_t mbox_tmo;
union lpfc_sli4_cfg_shdr *shdr;
if (xritag == NO_XRI) {
@@ -11489,8 +12324,10 @@
cpu_to_le32(putPaddrHigh(pdma_phys_addr1));
if (!phba->sli4_hba.intr_enable)
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
- else
- rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO);
+ else {
+ mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
+ rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
+ }
/* The IOCTL status is embedded in the mailbox subheader. */
shdr = (union lpfc_sli4_cfg_shdr *) &post_sgl_pages->header.cfg_shdr;
shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
@@ -11508,6 +12345,76 @@
}
/**
+ * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to post rpi header templates to the
+ * port for those SLI4 ports that do not support extents. This routine
+ * posts a PAGE_SIZE memory region to the port to hold up to
+ * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
+ * and should be called only when interrupts are disabled.
+ *
+ * Return codes
+ * 0 - successful
+ * -ERROR - otherwise.
+ */
+uint16_t
+lpfc_sli4_alloc_xri(struct lpfc_hba *phba)
+{
+ unsigned long xri;
+
+ /*
+ * Fetch the next logical xri. Because this index is logical,
+ * the driver starts at 0 each time.
+ */
+ spin_lock_irq(&phba->hbalock);
+ xri = find_next_zero_bit(phba->sli4_hba.xri_bmask,
+ phba->sli4_hba.max_cfg_param.max_xri, 0);
+ if (xri >= phba->sli4_hba.max_cfg_param.max_xri) {
+ spin_unlock_irq(&phba->hbalock);
+ return NO_XRI;
+ } 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;
+}
+
+/**
+ * lpfc_sli4_free_xri - Release an xri for reuse.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to release an xri to the pool of
+ * available rpis maintained by the driver.
+ **/
+void
+__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--;
+ }
+}
+
+/**
+ * lpfc_sli4_free_xri - Release an xri for reuse.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to release an xri to the pool of
+ * available rpis maintained by the driver.
+ **/
+void
+lpfc_sli4_free_xri(struct lpfc_hba *phba, int xri)
+{
+ spin_lock_irq(&phba->hbalock);
+ __lpfc_sli4_free_xri(phba, xri);
+ spin_unlock_irq(&phba->hbalock);
+}
+
+/**
* lpfc_sli4_next_xritag - Get an xritag for the io
* @phba: Pointer to HBA context object.
*
@@ -11520,30 +12427,23 @@
uint16_t
lpfc_sli4_next_xritag(struct lpfc_hba *phba)
{
- uint16_t xritag;
+ uint16_t xri_index;
- spin_lock_irq(&phba->hbalock);
- xritag = phba->sli4_hba.next_xri;
- if ((xritag != (uint16_t) -1) && xritag <
- (phba->sli4_hba.max_cfg_param.max_xri
- + phba->sli4_hba.max_cfg_param.xri_base)) {
- phba->sli4_hba.next_xri++;
- phba->sli4_hba.max_cfg_param.xri_used++;
- spin_unlock_irq(&phba->hbalock);
- return xritag;
- }
- spin_unlock_irq(&phba->hbalock);
- lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
+ xri_index = lpfc_sli4_alloc_xri(phba);
+ if (xri_index != NO_XRI)
+ return xri_index;
+
+ lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"2004 Failed to allocate XRI.last XRITAG is %d"
" Max XRI is %d, Used XRI is %d\n",
- phba->sli4_hba.next_xri,
+ xri_index,
phba->sli4_hba.max_cfg_param.max_xri,
phba->sli4_hba.max_cfg_param.xri_used);
- return -1;
+ return NO_XRI;
}
/**
- * lpfc_sli4_post_sgl_list - post a block of sgl list to the firmware.
+ * lpfc_sli4_post_els_sgl_list - 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
@@ -11552,7 +12452,7 @@
* stopped.
**/
int
-lpfc_sli4_post_sgl_list(struct lpfc_hba *phba)
+lpfc_sli4_post_els_sgl_list(struct lpfc_hba *phba)
{
struct lpfc_sglq *sglq_entry;
struct lpfc_mbx_post_uembed_sgl_page1 *sgl;
@@ -11561,7 +12461,7 @@
LPFC_MBOXQ_t *mbox;
uint32_t reqlen, alloclen, pg_pairs;
uint32_t mbox_tmo;
- uint16_t xritag_start = 0;
+ uint16_t xritag_start = 0, lxri = 0;
int els_xri_cnt, rc = 0;
uint32_t shdr_status, shdr_add_status;
union lpfc_sli4_cfg_shdr *shdr;
@@ -11578,11 +12478,8 @@
return -ENOMEM;
}
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
- if (!mbox) {
- lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
- "2560 Failed to allocate mbox cmd memory\n");
+ 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,
@@ -11597,15 +12494,30 @@
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 */
+ viraddr = mbox->sge_array->addr[0];
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];
+ }
+
/* Set up the sge entry */
sgl_pg_pairs->sgl_pg0_addr_lo =
cpu_to_le32(putPaddrLow(sglq_entry->phys));
@@ -11615,16 +12527,17 @@
cpu_to_le32(putPaddrLow(0));
sgl_pg_pairs->sgl_pg1_addr_hi =
cpu_to_le32(putPaddrHigh(0));
+
/* Keep the first xritag on the list */
if (pg_pairs == 0)
xritag_start = sglq_entry->sli4_xritag;
sgl_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);
- /* 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 {
@@ -11643,6 +12556,181 @@
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;
+ 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;
+ 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(els_xri_cnt, rsrc_size);
+ if (ttl_cnt + loop_cnt >= els_xri_cnt) {
+ loop_cnt = els_xri_cnt - ttl_cnt;
+ ttl_cnt = 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, MBX_SLI4_CONFIG);
+ 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;
}
@@ -11703,6 +12791,7 @@
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];
@@ -11758,6 +12847,169 @@
}
/**
+ * 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, MBX_SLI4_CONFIG);
+ 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)
@@ -12147,6 +13399,28 @@
}
/**
+ * lpfc_sli4_xri_inrange - check xri is in range of xris owned by driver.
+ * @phba: Pointer to HBA context object.
+ * @xri: xri id in transaction.
+ *
+ * This function validates the xri maps to the known range of XRIs allocated an
+ * used by the driver.
+ **/
+static uint16_t
+lpfc_sli4_xri_inrange(struct lpfc_hba *phba,
+ uint16_t xri)
+{
+ int i;
+
+ for (i = 0; i < phba->sli4_hba.max_cfg_param.max_xri; i++) {
+ if (xri == phba->sli4_hba.xri_ids[i])
+ return i;
+ }
+ return NO_XRI;
+}
+
+
+/**
* lpfc_sli4_seq_abort_rsp - bls rsp to sequence abort
* @phba: Pointer to HBA context object.
* @fc_hdr: pointer to a FC frame header.
@@ -12179,9 +13453,7 @@
"SID:x%x\n", oxid, sid);
return;
}
- if (rxid >= phba->sli4_hba.max_cfg_param.xri_base
- && rxid <= (phba->sli4_hba.max_cfg_param.max_xri
- + phba->sli4_hba.max_cfg_param.xri_base))
+ if (lpfc_sli4_xri_inrange(phba, rxid))
lpfc_set_rrq_active(phba, ndlp, rxid, oxid, 0);
/* Allocate buffer for rsp iocb */
@@ -12204,12 +13476,13 @@
icmd->ulpBdeCount = 0;
icmd->ulpLe = 1;
icmd->ulpClass = CLASS3;
- icmd->ulpContext = ndlp->nlp_rpi;
+ icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
ctiocb->context1 = ndlp;
ctiocb->iocb_cmpl = NULL;
ctiocb->vport = phba->pport;
ctiocb->iocb_cmpl = lpfc_sli4_seq_abort_rsp_cmpl;
+ ctiocb->sli4_lxritag = NO_XRI;
ctiocb->sli4_xritag = NO_XRI;
/* If the oxid maps to the FCP XRI range or if it is out of range,
@@ -12390,8 +13663,8 @@
first_iocbq->iocb.ulpStatus = IOSTAT_SUCCESS;
first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_SEQ64_CX;
first_iocbq->iocb.ulpContext = be16_to_cpu(fc_hdr->fh_ox_id);
- first_iocbq->iocb.unsli3.rcvsli3.vpi =
- vport->vpi + vport->phba->vpi_base;
+ /* iocbq is prepped for internal consumption. Logical vpi. */
+ first_iocbq->iocb.unsli3.rcvsli3.vpi = vport->vpi;
/* put the first buffer into the first IOCBq */
first_iocbq->context2 = &seq_dmabuf->dbuf;
first_iocbq->context3 = NULL;
@@ -12471,7 +13744,7 @@
&phba->sli.ring[LPFC_ELS_RING],
iocbq, fc_hdr->fh_r_ctl,
fc_hdr->fh_type))
- lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
+ lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"2540 Ring %d handler: unexpected Rctl "
"x%x Type x%x received\n",
LPFC_ELS_RING,
@@ -12568,9 +13841,24 @@
{
struct lpfc_rpi_hdr *rpi_page;
uint32_t rc = 0;
+ uint16_t lrpi = 0;
- /* Post all rpi memory regions to the port. */
+ /* SLI4 ports that support extents do not require RPI headers. */
+ if (!phba->sli4_hba.rpi_hdrs_in_use)
+ goto exit;
+ if (phba->sli4_hba.extents_in_use)
+ return -EIO;
+
list_for_each_entry(rpi_page, &phba->sli4_hba.lpfc_rpi_hdr_list, list) {
+ /*
+ * Assign the rpi headers a physical rpi only if the driver
+ * has not initialized those resources. A port reset only
+ * needs the headers posted.
+ */
+ if (bf_get(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags) !=
+ LPFC_RPI_RSRC_RDY)
+ rpi_page->start_rpi = phba->sli4_hba.rpi_ids[lrpi];
+
rc = lpfc_sli4_post_rpi_hdr(phba, rpi_page);
if (rc != MBX_SUCCESS) {
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
@@ -12581,6 +13869,9 @@
}
}
+ exit:
+ bf_set(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags,
+ LPFC_RPI_RSRC_RDY);
return rc;
}
@@ -12604,10 +13895,15 @@
LPFC_MBOXQ_t *mboxq;
struct lpfc_mbx_post_hdr_tmpl *hdr_tmpl;
uint32_t rc = 0;
- uint32_t mbox_tmo;
uint32_t shdr_status, shdr_add_status;
union lpfc_sli4_cfg_shdr *shdr;
+ /* SLI4 ports that support extents do not require RPI headers. */
+ if (!phba->sli4_hba.rpi_hdrs_in_use)
+ return rc;
+ if (phba->sli4_hba.extents_in_use)
+ return -EIO;
+
/* The port is notified of the header region via a mailbox command. */
mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mboxq) {
@@ -12619,16 +13915,19 @@
/* Post all rpi memory regions to the port. */
hdr_tmpl = &mboxq->u.mqe.un.hdr_tmpl;
- mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
LPFC_MBOX_OPCODE_FCOE_POST_HDR_TEMPLATE,
sizeof(struct lpfc_mbx_post_hdr_tmpl) -
sizeof(struct lpfc_sli4_cfg_mhdr),
LPFC_SLI4_MBX_EMBED);
- bf_set(lpfc_mbx_post_hdr_tmpl_page_cnt,
- hdr_tmpl, rpi_page->page_count);
+
+
+ /* Post the physical rpi to the port for this rpi header. */
bf_set(lpfc_mbx_post_hdr_tmpl_rpi_offset, hdr_tmpl,
rpi_page->start_rpi);
+ bf_set(lpfc_mbx_post_hdr_tmpl_page_cnt,
+ hdr_tmpl, rpi_page->page_count);
+
hdr_tmpl->rpi_paddr_lo = putPaddrLow(rpi_page->dmabuf->phys);
hdr_tmpl->rpi_paddr_hi = putPaddrHigh(rpi_page->dmabuf->phys);
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
@@ -12663,22 +13962,21 @@
int
lpfc_sli4_alloc_rpi(struct lpfc_hba *phba)
{
- int rpi;
- uint16_t max_rpi, rpi_base, rpi_limit;
- uint16_t rpi_remaining;
+ unsigned long rpi;
+ uint16_t max_rpi, rpi_limit;
+ uint16_t rpi_remaining, lrpi = 0;
struct lpfc_rpi_hdr *rpi_hdr;
max_rpi = phba->sli4_hba.max_cfg_param.max_rpi;
- rpi_base = phba->sli4_hba.max_cfg_param.rpi_base;
rpi_limit = phba->sli4_hba.next_rpi;
/*
- * The valid rpi range is not guaranteed to be zero-based. Start
- * the search at the rpi_base as reported by the port.
+ * Fetch the next logical rpi. Because this index is logical,
+ * the driver starts at 0 each time.
*/
spin_lock_irq(&phba->hbalock);
- rpi = find_next_zero_bit(phba->sli4_hba.rpi_bmask, rpi_limit, rpi_base);
- if (rpi >= rpi_limit || rpi < rpi_base)
+ rpi = find_next_zero_bit(phba->sli4_hba.rpi_bmask, rpi_limit, 0);
+ if (rpi >= rpi_limit)
rpi = LPFC_RPI_ALLOC_ERROR;
else {
set_bit(rpi, phba->sli4_hba.rpi_bmask);
@@ -12688,7 +13986,7 @@
/*
* Don't try to allocate more rpi header regions if the device limit
- * on available rpis max has been exhausted.
+ * has been exhausted.
*/
if ((rpi == LPFC_RPI_ALLOC_ERROR) &&
(phba->sli4_hba.rpi_count >= max_rpi)) {
@@ -12697,13 +13995,21 @@
}
/*
+ * RPI header postings are not required for SLI4 ports capable of
+ * extents.
+ */
+ if (!phba->sli4_hba.rpi_hdrs_in_use) {
+ spin_unlock_irq(&phba->hbalock);
+ return rpi;
+ }
+
+ /*
* If the driver is running low on rpi resources, allocate another
* page now. Note that the next_rpi value is used because
* it represents how many are actually in use whereas max_rpi notes
* how many are supported max by the device.
*/
- rpi_remaining = phba->sli4_hba.next_rpi - rpi_base -
- phba->sli4_hba.rpi_count;
+ rpi_remaining = phba->sli4_hba.next_rpi - phba->sli4_hba.rpi_count;
spin_unlock_irq(&phba->hbalock);
if (rpi_remaining < LPFC_RPI_LOW_WATER_MARK) {
rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
@@ -12712,6 +14018,8 @@
"2002 Error Could not grow rpi "
"count\n");
} else {
+ lrpi = rpi_hdr->start_rpi;
+ rpi_hdr->start_rpi = phba->sli4_hba.rpi_ids[lrpi];
lpfc_sli4_post_rpi_hdr(phba, rpi_hdr);
}
}
@@ -12761,6 +14069,8 @@
lpfc_sli4_remove_rpis(struct lpfc_hba *phba)
{
kfree(phba->sli4_hba.rpi_bmask);
+ kfree(phba->sli4_hba.rpi_ids);
+ bf_set(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0);
}
/**
@@ -13744,7 +15054,7 @@
* never happen
*/
sglq = __lpfc_clear_active_sglq(phba,
- sglq->sli4_xritag);
+ sglq->sli4_lxritag);
spin_unlock_irqrestore(&phba->hbalock, iflags);
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"2823 txq empty and txq_cnt is %d\n ",
@@ -13756,6 +15066,7 @@
/* The xri and iocb resources secured,
* attempt to issue request
*/
+ piocbq->sli4_lxritag = sglq->sli4_lxritag;
piocbq->sli4_xritag = sglq->sli4_xritag;
if (NO_XRI == lpfc_sli4_bpl2sgl(phba, piocbq, sglq))
fail_msg = "to convert bpl to sgl";