[SCSI] qla2xxx: Code changes for vport bus reset

The following patch changes the handling of bus reset when issued from a
vport. In the bus reset code, an extra check is made to make sure that the lip
reset is not done before resetting the targets if the bus reset came from a
vport.

Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index bc52aa0..bbe7181 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -2256,7 +2256,7 @@ __qla24xx_issue_tmf(char *name, uint32_t type, struct fc_port *fcport,
        scsi_qla_host_t *vha;
        struct qla_hw_data *ha;
 
-       DEBUG11(printk("%s(%ld): entered.\n", __func__, fcport->ha->host_no));
+       DEBUG11(printk("%s(%ld): entered.\n", __func__, fcport->vha->host_no));
 
        vha = fcport->vha;
        ha = vha->hw;

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 9830fcb..f636588 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -918,7 +918,7 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
                return ret;
 
        qla_printk(KERN_INFO, vha->hw,
-           "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", vha->host_no, id, lun);
+           "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
 
        if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
                DEBUG2(printk("%s failed:board disabled\n",__func__));
@@ -1039,20 +1039,23 @@ qla2x00_loop_reset(scsi_qla_host_t *vha)
        struct fc_port *fcport;
        struct qla_hw_data *ha = vha->hw;
 
-       if (ha->flags.enable_lip_full_login) {
+       if (ha->flags.enable_lip_full_login && !vha->vp_idx) {
                ret = qla2x00_full_login_lip(vha);
                if (ret != QLA_SUCCESS) {
-                       DEBUG2_3(printk("%s(%ld): bus_reset failed: "
+                       DEBUG2_3(printk("%s(%ld): failed: "
                            "full_login_lip=%d.\n", __func__, vha->host_no,
                            ret));
-               } else
-                       qla2x00_wait_for_loop_ready(vha);
+               }
+               atomic_set(&vha->loop_state, LOOP_DOWN);
+               atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
+               qla2x00_mark_all_devices_lost(vha, 0);
+               qla2x00_wait_for_loop_ready(vha);
        }
 
-       if (ha->flags.enable_lip_reset) {
+       if (ha->flags.enable_lip_reset && !vha->vp_idx) {
                ret = qla2x00_lip_reset(vha);
                if (ret != QLA_SUCCESS) {
-                       DEBUG2_3(printk("%s(%ld): bus_reset failed: "
+                       DEBUG2_3(printk("%s(%ld): failed: "
                            "lip_reset=%d.\n", __func__, vha->host_no, ret));
                } else
                        qla2x00_wait_for_loop_ready(vha);