From: Joe Carnuccio <joe.carnuccio@xxxxxxxxxx>
This reverts commit 4dc77c36f86c2dc4e3f483146d33b64d12c0da3f.
Signed-off-by: Joe Carnuccio <joe.carnuccio@xxxxxxxxxx>
Signed-off-by: Saurav Kashyap <saurav.kashyap@xxxxxxxxxx>
---
drivers/scsi/qla2xxx/qla_init.c | 83 +++++++++++++++++++++++++++++---------
1 files changed, 63 insertions(+), 20 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 8888d9b..51f007f 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -3159,7 +3159,7 @@ static int
qla2x00_configure_fabric(scsi_qla_host_t *vha)
{
int rval;
- fc_port_t *fcport;
+ fc_port_t *fcport, *fcptemp;
uint16_t next_loopid;
uint16_t mb[MAILBOX_REGISTER_COUNT];
uint16_t loop_id;
@@ -3197,7 +3197,7 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha)
0xfc, mb, BIT_1|BIT_0);
if (rval != QLA_SUCCESS) {
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
- break;
+ return rval;
}
if (mb[0] != MBS_COMMAND_COMPLETE) {
ql_dbg(ql_dbg_disc, vha, 0x2042,
@@ -3233,12 +3233,10 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha)
if (rval != QLA_SUCCESS)
break;
- /* Add new ports to existing port list */
- list_splice_tail_init(&new_fcports, &vha->vp_fcports);
-
- /* Starting free loop ID. */
- next_loopid = ha->min_external_loopid;
-
+ /*
+ * Logout all previous fabric devices marked lost, except
+ * FCP2 devices.
+ */
list_for_each_entry(fcport, &vha->vp_fcports, list) {
if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
break;
@@ -3246,7 +3244,6 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha)
if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
continue;
- /* Logout lost/gone fabric devices (non-FCP2) */
if (fcport->scan_state != QLA_FCPORT_SCAN_FOUND &&
atomic_read(&fcport->state) == FCS_ONLINE) {
qla2x00_mark_device_lost(vha, fcport,
@@ -3260,30 +3257,76 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha)
fcport->d_id.b.domain,
fcport->d_id.b.area,
fcport->d_id.b.al_pa);
+ fcport->loop_id = FC_NO_LOOP_ID;
}
continue;
}
fcport->scan_state = QLA_FCPORT_SCAN_NONE;
+ }
- /* Login fabric devices that need a login */
- if ((fcport->flags & FCF_LOGIN_NEEDED) != 0 &&
- atomic_read(&vha->loop_down_timer) == 0) {
- if (fcport->loop_id == FC_NO_LOOP_ID) {
- fcport->loop_id = next_loopid;
- rval = qla2x00_find_new_loop_id(
- base_vha, fcport);
- if (rval != QLA_SUCCESS) {
- /* Ran out of IDs to use */
- continue;
- }
+ /* Starting free loop ID. */
+ next_loopid = ha->min_external_loopid;
+
+ /*
+ * Scan through our port list and login entries that need to be
+ * logged in.
+ */
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ if (atomic_read(&vha->loop_down_timer) ||
+ test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
+ break;
+
+ if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
+ (fcport->flags & FCF_LOGIN_NEEDED) == 0)
+ continue;
+
+ if (fcport->loop_id == FC_NO_LOOP_ID) {
+ fcport->loop_id = next_loopid;
+ rval = qla2x00_find_new_loop_id(
+ base_vha, fcport);
+ if (rval != QLA_SUCCESS) {
+ /* Ran out of IDs to use */
+ break;
}
}
+ /* Login and update database */
+ qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
+ }
+
+ /* Exit if out of loop IDs. */
+ if (rval != QLA_SUCCESS) {
+ break;
+ }
+
+ /*
+ * Login and add the new devices to our port list.
+ */
+ list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
+ if (atomic_read(&vha->loop_down_timer) ||
+ test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
+ break;
+
+ /* Find a new loop ID to use. */
+ fcport->loop_id = next_loopid;
+ rval = qla2x00_find_new_loop_id(base_vha, fcport);
+ if (rval != QLA_SUCCESS) {
+ /* Ran out of IDs to use */
+ break;
+ }
/* Login and update database */
qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
+
+ list_move_tail(&fcport->list, &vha->vp_fcports);
}
} while (0);
+ /* Free all new device structures not processed. */
+ list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
+ list_del(&fcport->list);
+ kfree(fcport);
+ }
+
if (rval) {
ql_dbg(ql_dbg_disc, vha, 0x2068,
"Configure fabric error exit rval=%d.\n", rval);
--
1.7.7
--
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