[SCSI] qla2xxx: Add dev_loss_tmo_callbk/terminate_rport_io callback support.

Signed-off-by: Seokmann Ju <seokmann.ju@qlogic.com>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 31 insertions, 0 deletions

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 8dd88fc1244a..3112518b0e64 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -994,6 +994,33 @@ qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 }
 
+static void
+qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
+{
+        struct Scsi_Host *host = rport_to_shost(rport);
+        fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
+
+        qla2x00_abort_fcport_cmds(fcport);
+
+        /*
+         * Transport has effectively 'deleted' the rport, clear
+         * all local references.
+         */
+        spin_lock_irq(host->host_lock);
+        fcport->rport = NULL;
+        *((fc_port_t **)rport->dd_data) = NULL;
+        spin_unlock_irq(host->host_lock);
+}
+
+static void
+qla2x00_terminate_rport_io(struct fc_rport *rport)
+{
+        fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
+
+        qla2x00_abort_fcport_cmds(fcport);
+        scsi_target_unblock(&rport->dev);
+}
+
 static int
 qla2x00_issue_lip(struct Scsi_Host *shost)
 {
@@ -1253,6 +1280,8 @@ struct fc_function_template qla2xxx_transport_functions = {
         .show_rport_dev_loss_tmo = 1,
 
         .issue_fc_host_lip = qla2x00_issue_lip,
+        .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
+        .terminate_rport_io = qla2x00_terminate_rport_io,
         .get_fc_host_stats = qla2x00_get_fc_host_stats,
 
         .vport_create = qla24xx_vport_create,
@@ -1296,6 +1325,8 @@ struct fc_function_template qla2xxx_transport_vport_functions = {
         .show_rport_dev_loss_tmo = 1,
 
         .issue_fc_host_lip = qla2x00_issue_lip,
+        .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
+        .terminate_rport_io = qla2x00_terminate_rport_io,
         .get_fc_host_stats = qla2x00_get_fc_host_stats,
 };