[SCSI] Add an 'Issue LIP' device attribute in fc_transport class
Ok, here's a patch to add such a common API for fc transport users.
Relevant LLD changes (lpfc and qla2xxx) also present.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 49696fa..48e460e 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -503,6 +503,15 @@
rport->dev_loss_tmo = ha->port_down_retry_count + 5;
}
+static int
+qla2x00_issue_lip(struct Scsi_Host *shost)
+{
+ scsi_qla_host_t *ha = to_qla_host(shost);
+
+ set_bit(LOOP_RESET_NEEDED, &ha->dpc_flags);
+ return 0;
+}
+
struct fc_function_template qla2xxx_transport_functions = {
.show_host_node_name = 1,
@@ -526,6 +535,7 @@
.set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
.show_rport_dev_loss_tmo = 1,
+ .issue_fc_host_lip = qla2x00_issue_lip,
};
void
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index d9eccdf..b899282 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -2141,6 +2141,12 @@
ha->host_no));
}
+ if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
+ DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
+ ha->host_no));
+ qla2x00_loop_reset(ha);
+ }
+
if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
(!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
@@ -2442,6 +2448,7 @@
/* Schedule the DPC routine if needed */
if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
+ test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
start_dpc ||
test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
