[SCSI] lpfc 8.3.2 : Persistent Vport Support
Add support for persistent vport definitions at creation at boot time
Also includes a few misc fixes for:
- conversion to vpi name from vport slang name
- couple of small mailbox references
- some additional discovery mods
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 126323a..35c41ae 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -2079,6 +2079,128 @@
return;
}
+/**
+ * lpfc_create_static_vport - Read HBA config region to create static vports.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine issue a DUMP mailbox command for config region 22 to get
+ * the list of static vports to be created. The function create vports
+ * based on the information returned from the HBA.
+ **/
+void
+lpfc_create_static_vport(struct lpfc_hba *phba)
+{
+ LPFC_MBOXQ_t *pmb = NULL;
+ MAILBOX_t *mb;
+ struct static_vport_info *vport_info;
+ int rc, i;
+ struct fc_vport_identifiers vport_id;
+ struct fc_vport *new_fc_vport;
+ struct Scsi_Host *shost;
+ struct lpfc_vport *vport;
+ uint16_t offset = 0;
+ uint8_t *vport_buff;
+
+ pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!pmb) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "0542 lpfc_create_static_vport failed to"
+ " allocate mailbox memory\n");
+ return;
+ }
+
+ mb = &pmb->u.mb;
+
+ vport_info = kzalloc(sizeof(struct static_vport_info), GFP_KERNEL);
+ if (!vport_info) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "0543 lpfc_create_static_vport failed to"
+ " allocate vport_info\n");
+ mempool_free(pmb, phba->mbox_mem_pool);
+ return;
+ }
+
+ vport_buff = (uint8_t *) vport_info;
+ do {
+ lpfc_dump_static_vport(phba, pmb, offset);
+ pmb->vport = phba->pport;
+ rc = lpfc_sli_issue_mbox_wait(phba, pmb, LPFC_MBOX_TMO);
+
+ if ((rc != MBX_SUCCESS) || mb->mbxStatus) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+ "0544 lpfc_create_static_vport failed to"
+ " issue dump mailbox command ret 0x%x "
+ "status 0x%x\n",
+ rc, mb->mbxStatus);
+ goto out;
+ }
+
+ if (mb->un.varDmp.word_cnt >
+ sizeof(struct static_vport_info) - offset)
+ mb->un.varDmp.word_cnt =
+ sizeof(struct static_vport_info) - offset;
+
+ lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
+ vport_buff + offset,
+ mb->un.varDmp.word_cnt);
+ offset += mb->un.varDmp.word_cnt;
+
+ } while (mb->un.varDmp.word_cnt &&
+ offset < sizeof(struct static_vport_info));
+
+
+ if ((le32_to_cpu(vport_info->signature) != VPORT_INFO_SIG) ||
+ ((le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK)
+ != VPORT_INFO_REV)) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "0545 lpfc_create_static_vport bad"
+ " information header 0x%x 0x%x\n",
+ le32_to_cpu(vport_info->signature),
+ le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK);
+
+ goto out;
+ }
+
+ shost = lpfc_shost_from_vport(phba->pport);
+
+ for (i = 0; i < MAX_STATIC_VPORT_COUNT; i++) {
+ memset(&vport_id, 0, sizeof(vport_id));
+ vport_id.port_name = wwn_to_u64(vport_info->vport_list[i].wwpn);
+ vport_id.node_name = wwn_to_u64(vport_info->vport_list[i].wwnn);
+ if (!vport_id.port_name || !vport_id.node_name)
+ continue;
+
+ vport_id.roles = FC_PORT_ROLE_FCP_INITIATOR;
+ vport_id.vport_type = FC_PORTTYPE_NPIV;
+ vport_id.disable = false;
+ new_fc_vport = fc_vport_create(shost, 0, &vport_id);
+
+ if (!new_fc_vport) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+ "0546 lpfc_create_static_vport failed to"
+ " create vport \n");
+ continue;
+ }
+
+ vport = *(struct lpfc_vport **)new_fc_vport->dd_data;
+ vport->vport_flag |= STATIC_VPORT;
+ }
+
+out:
+ /*
+ * If this is timed out command, setting NULL to context2 tell SLI
+ * layer not to use this buffer.
+ */
+ spin_lock_irq(&phba->hbalock);
+ pmb->context2 = NULL;
+ spin_unlock_irq(&phba->hbalock);
+ kfree(vport_info);
+ if (rc != MBX_TIMEOUT)
+ mempool_free(pmb, phba->mbox_mem_pool);
+
+ return;
+}
+
/*
* This routine handles processing a Fabric REG_LOGIN mailbox
* command upon completion. It is setup in the LPFC_MBOXQ
@@ -2089,16 +2211,17 @@
lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{
struct lpfc_vport *vport = pmb->vport;
- MAILBOX_t *mb = &pmb->mb;
+ MAILBOX_t *mb = &pmb->u.mb;
struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
struct lpfc_nodelist *ndlp;
- struct lpfc_vport **vports;
- int i;
ndlp = (struct lpfc_nodelist *) pmb->context2;
pmb->context1 = NULL;
pmb->context2 = NULL;
if (mb->mbxStatus) {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
+ "0258 Register Fabric login error: 0x%x\n",
+ mb->mbxStatus);
lpfc_mbuf_free(phba, mp->virt, mp->phys);
kfree(mp);
mempool_free(pmb, phba->mbox_mem_pool);
@@ -2117,9 +2240,6 @@
}
lpfc_vport_set_state(vport, FC_VPORT_FAILED);
- lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
- "0258 Register Fabric login error: 0x%x\n",
- mb->mbxStatus);
/* Decrement the reference count to ndlp after the reference
* to the ndlp are done.
*/
@@ -2128,34 +2248,12 @@
}
ndlp->nlp_rpi = mb->un.varWords[0];
+ ndlp->nlp_flag |= NLP_RPI_VALID;
ndlp->nlp_type |= NLP_FABRIC;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
if (vport->port_state == LPFC_FABRIC_CFG_LINK) {
- vports = lpfc_create_vport_work_array(phba);
- if (vports != NULL)
- for(i = 0;
- i <= phba->max_vpi && vports[i] != NULL;
- i++) {
- if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
- continue;
- if (phba->fc_topology == TOPOLOGY_LOOP) {
- lpfc_vport_set_state(vports[i],
- FC_VPORT_LINKDOWN);
- continue;
- }
- if (phba->link_flag & LS_NPIV_FAB_SUPPORTED)
- lpfc_initial_fdisc(vports[i]);
- else {
- lpfc_vport_set_state(vports[i],
- FC_VPORT_NO_FABRIC_SUPP);
- lpfc_printf_vlog(vport, KERN_ERR,
- LOG_ELS,
- "0259 No NPIV "
- "Fabric support\n");
- }
- }
- lpfc_destroy_vport_work_array(phba, vports);
+ lpfc_start_fdiscs(phba);
lpfc_do_scr_ns_plogi(phba, vport);
}
@@ -2179,13 +2277,16 @@
void
lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{
- MAILBOX_t *mb = &pmb->mb;
+ MAILBOX_t *mb = &pmb->u.mb;
struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2;
struct lpfc_vport *vport = pmb->vport;
if (mb->mbxStatus) {
out:
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "0260 Register NameServer error: 0x%x\n",
+ mb->mbxStatus);
/* decrement the node reference count held for this
* callback function.
*/
@@ -2209,15 +2310,13 @@
return;
}
lpfc_vport_set_state(vport, FC_VPORT_FAILED);
- lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
- "0260 Register NameServer error: 0x%x\n",
- mb->mbxStatus);
return;
}
pmb->context1 = NULL;
ndlp->nlp_rpi = mb->un.varWords[0];
+ ndlp->nlp_flag |= NLP_RPI_VALID;
ndlp->nlp_type |= NLP_FABRIC;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
@@ -2718,7 +2817,7 @@
if (pring->ringno == LPFC_ELS_RING) {
switch (icmd->ulpCommand) {
case CMD_GEN_REQUEST64_CR:
- if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi)
+ if (iocb->context_un.ndlp == ndlp)
return 1;
case CMD_ELS_REQUEST64_CR:
if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID)
@@ -2765,7 +2864,7 @@
*/
psli = &phba->sli;
rpi = ndlp->nlp_rpi;
- if (rpi) {
+ if (ndlp->nlp_flag & NLP_RPI_VALID) {
/* Now process each ring */
for (i = 0; i < psli->num_rings; i++) {
pring = &psli->ring[i];
@@ -2813,7 +2912,7 @@
LPFC_MBOXQ_t *mbox;
int rc;
- if (ndlp->nlp_rpi) {
+ if (ndlp->nlp_flag & NLP_RPI_VALID) {
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (mbox) {
lpfc_unreg_login(phba, vport->vpi, ndlp->nlp_rpi, mbox);
@@ -2825,6 +2924,7 @@
}
lpfc_no_rpi(phba, ndlp);
ndlp->nlp_rpi = 0;
+ ndlp->nlp_flag &= ~NLP_RPI_VALID;
return 1;
}
return 0;
@@ -2972,13 +3072,14 @@
int rc;
lpfc_cancel_retry_delay_tmo(vport, ndlp);
- if (ndlp->nlp_flag & NLP_DEFER_RM && !ndlp->nlp_rpi) {
+ if ((ndlp->nlp_flag & NLP_DEFER_RM) &&
+ !(ndlp->nlp_flag & NLP_RPI_VALID)) {
/* For this case we need to cleanup the default rpi
* allocated by the firmware.
*/
if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))
!= NULL) {
- rc = lpfc_reg_login(phba, vport->vpi, ndlp->nlp_DID,
+ rc = lpfc_reg_rpi(phba, vport->vpi, ndlp->nlp_DID,
(uint8_t *) &vport->fc_sparam, mbox, 0);
if (rc) {
mempool_free(mbox, phba->mbox_mem_pool);
@@ -3713,6 +3814,7 @@
pmb->context1 = NULL;
ndlp->nlp_rpi = mb->un.varWords[0];
+ ndlp->nlp_flag |= NLP_RPI_VALID;
ndlp->nlp_type |= NLP_FABRIC;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);