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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>
This commit is contained in:
Darren Trapp 2018-03-20 23:09:34 -07:00 committed by Martin K. Petersen
parent e473b30741
commit 1763c1fd76
3 changed files with 3 additions and 5 deletions
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2
drivers/scsi/qla2xxx/qla_def.h
View File

@ -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;

3
drivers/scsi/qla2xxx/qla_isr.c
View File

@ -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;

3
drivers/scsi/qla2xxx/qla_mbx.c
View File

@ -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);