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path: root/drivers/scsi/lpfc/lpfc_vmid.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_vmid.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_vmid.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_vmid.c b/drivers/scsi/lpfc/lpfc_vmid.c
index ed1d7f7b88a3..9175982066f8 100644
--- a/drivers/scsi/lpfc/lpfc_vmid.c
+++ b/drivers/scsi/lpfc/lpfc_vmid.c
@@ -284,3 +284,42 @@ int lpfc_vmid_get_appid(struct lpfc_vport *vport, char *uuid,
}
return rc;
}
+
+/*
+ * lpfc_reinit_vmid - reinitializes the vmid data structure
+ * @vport: pointer to vport data structure
+ *
+ * This routine reinitializes the vmid post flogi completion
+ *
+ * Return codes
+ * None
+ */
+void
+lpfc_reinit_vmid(struct lpfc_vport *vport)
+{
+ u32 bucket, i, cpu;
+ struct lpfc_vmid *cur;
+ struct lpfc_vmid *vmp = NULL;
+ struct hlist_node *tmp;
+
+ write_lock(&vport->vmid_lock);
+ vport->cur_vmid_cnt = 0;
+
+ for (i = 0; i < vport->max_vmid; i++) {
+ vmp = &vport->vmid[i];
+ vmp->flag = LPFC_VMID_SLOT_FREE;
+ memset(vmp->host_vmid, 0, sizeof(vmp->host_vmid));
+ vmp->io_rd_cnt = 0;
+ vmp->io_wr_cnt = 0;
+
+ if (vmp->last_io_time)
+ for_each_possible_cpu(cpu)
+ *per_cpu_ptr(vmp->last_io_time, cpu) = 0;
+ }
+
+ /* for all elements in the hash table */
+ if (!hash_empty(vport->hash_table))
+ hash_for_each_safe(vport->hash_table, bucket, tmp, cur, hnode)
+ hash_del(&cur->hnode);
+ write_unlock(&vport->vmid_lock);
+}