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authorDarren Trapp <darren.trapp@cavium.com>2018-03-21 07:09:34 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2018-03-21 23:38:54 +0100
commit1763c1fd76d8e26c5e6d5a3e415e7deeeda3c5da (patch)
treef8b9abcfcb3dad0702d68734ded6af242232a0ac /drivers/scsi/qla2xxx
parentscsi: qla2xxx: Add FC-NVMe abort processing (diff)
downloadlinux-1763c1fd76d8e26c5e6d5a3e415e7deeeda3c5da.tar.xz
linux-1763c1fd76d8e26c5e6d5a3e415e7deeeda3c5da.zip
scsi: qla2xxx: Fix n2n_ae flag to prevent dev_loss on PDB change
On a port db changes, this patch will set n2n_ae flag for N2N connection when requesting for Report ID Acquition MBX, instead of Loop Initialization or point to point asynchronous events. Signed-off-by: Darren Trapp <darren.trapp@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx')
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h2
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c3
-rw-r--r--drivers/scsi/qla2xxx/qla_mbx.c3
3 files changed, 3 insertions, 5 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 56f78dce4d3c..cba749d27154 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -4281,8 +4281,6 @@ typedef struct scsi_qla_host {
struct nvme_fc_local_port *nvme_local_port;
struct completion nvme_del_done;
struct list_head nvme_rport_list;
- atomic_t nvme_active_aen_cnt;
- uint16_t nvme_last_rptd_aen;
uint16_t fcoe_vlan_id;
uint16_t fcoe_fcf_idx;
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 93f2f1df7168..913cd6cf5907 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -767,7 +767,6 @@ skip_rio:
case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
ha->flags.lip_ae = 1;
- ha->flags.n2n_ae = 0;
ql_dbg(ql_dbg_async, vha, 0x5009,
"LIP occurred (%x).\n", mb[1]);
@@ -811,7 +810,6 @@ skip_rio:
case MBA_LOOP_DOWN: /* Loop Down Event */
SAVE_TOPO(ha);
- ha->flags.n2n_ae = 0;
ha->flags.lip_ae = 0;
ha->current_topology = 0;
@@ -885,7 +883,6 @@ skip_rio:
/* case MBA_DCBX_COMPLETE: */
case MBA_POINT_TO_POINT: /* Point-to-Point */
ha->flags.lip_ae = 0;
- ha->flags.n2n_ae = 1;
if (IS_QLA2100(ha))
break;
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 41b0ee47c6a1..735079ba691c 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -3747,6 +3747,7 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha,
id.b.area = rptid_entry->port_id[1];
id.b.al_pa = rptid_entry->port_id[0];
id.b.rsvd_1 = 0;
+ ha->flags.n2n_ae = 0;
if (rptid_entry->format == 0) {
/* loop */
@@ -3799,6 +3800,7 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha,
set_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags);
set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
+ ha->flags.n2n_ae = 1;
return;
}
@@ -3875,6 +3877,7 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha,
vha->d_id.b.area = rptid_entry->port_id[1];
vha->d_id.b.al_pa = rptid_entry->port_id[0];
+ ha->flags.n2n_ae = 1;
spin_lock_irqsave(&ha->vport_slock, flags);
qlt_update_vp_map(vha, SET_AL_PA);
spin_unlock_irqrestore(&ha->vport_slock, flags);