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path: root/drivers/scsi/lpfc/lpfc_sli.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c49
1 files changed, 46 insertions, 3 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 303b231b5ef7..c76c2a1e41e4 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -2213,6 +2213,46 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
else
mempool_free(pmb, phba->mbox_mem_pool);
}
+ /**
+ * lpfc_sli4_unreg_rpi_cmpl_clr - mailbox completion handler
+ * @phba: Pointer to HBA context object.
+ * @pmb: Pointer to mailbox object.
+ *
+ * This function is the unreg rpi mailbox completion handler. It
+ * frees the memory resources associated with the completed mailbox
+ * command. An additional refrenece is put on the ndlp to prevent
+ * lpfc_nlp_release from freeing the rpi bit in the bitmask before
+ * the unreg mailbox command completes, this routine puts the
+ * reference back.
+ *
+ **/
+void
+lpfc_sli4_unreg_rpi_cmpl_clr(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
+{
+ struct lpfc_vport *vport = pmb->vport;
+ struct lpfc_nodelist *ndlp;
+
+ ndlp = pmb->context1;
+ if (pmb->u.mb.mbxCommand == MBX_UNREG_LOGIN) {
+ if (phba->sli_rev == LPFC_SLI_REV4 &&
+ (bf_get(lpfc_sli_intf_if_type,
+ &phba->sli4_hba.sli_intf) ==
+ LPFC_SLI_INTF_IF_TYPE_2)) {
+ if (ndlp) {
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI,
+ "0010 UNREG_LOGIN vpi:%x "
+ "rpi:%x DID:%x map:%x %p\n",
+ vport->vpi, ndlp->nlp_rpi,
+ ndlp->nlp_DID,
+ ndlp->nlp_usg_map, ndlp);
+
+ lpfc_nlp_put(ndlp);
+ }
+ }
+ }
+
+ mempool_free(pmb, phba->mbox_mem_pool);
+}
/**
* lpfc_sli_handle_mb_event - Handle mailbox completions from firmware
@@ -15659,14 +15699,14 @@ lpfc_sli4_alloc_rpi(struct lpfc_hba *phba)
struct lpfc_rpi_hdr *rpi_hdr;
unsigned long iflag;
- max_rpi = phba->sli4_hba.max_cfg_param.max_rpi;
- rpi_limit = phba->sli4_hba.next_rpi;
-
/*
* Fetch the next logical rpi. Because this index is logical,
* the driver starts at 0 each time.
*/
spin_lock_irqsave(&phba->hbalock, iflag);
+ max_rpi = phba->sli4_hba.max_cfg_param.max_rpi;
+ rpi_limit = phba->sli4_hba.next_rpi;
+
rpi = find_next_zero_bit(phba->sli4_hba.rpi_bmask, rpi_limit, 0);
if (rpi >= rpi_limit)
rpi = LPFC_RPI_ALLOC_ERROR;
@@ -15675,6 +15715,9 @@ lpfc_sli4_alloc_rpi(struct lpfc_hba *phba)
phba->sli4_hba.max_cfg_param.rpi_used++;
phba->sli4_hba.rpi_count++;
}
+ lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+ "0001 rpi:%x max:%x lim:%x\n",
+ (int) rpi, max_rpi, rpi_limit);
/*
* Don't try to allocate more rpi header regions if the device limit