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Commit 9764ff88 authored Jul 31, 2009 by Andrew Vasquez Committed by James Bottomley Aug 22, 2009

[SCSI] qla2xxx: Correctly handle 'global port-unavailable' AEN.



Treat a global port-unavailable PORT_UPDATE (8014h) AEN as a
loop-down event.  For this case, within the FCoE domain, the
'logical' interface has been terminated, but the driver will
not receive the classic LOOP_DOWN AEN.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

parent 8f1f3ece

drivers/scsi/qla2xxx/qla_isr.c

+29 −1

Original line number	Diff line number	Diff line
		@@ -599,9 +599,37 @@ qla2x00_async_event(scsi_qla_host_t vha, struct rsp_que rsp, uint16_t *mb)

		case MBA_PORT_UPDATE: /* Port database update */
		/* Only handle SCNs for our Vport index. */
		if (vha->vp_idx && vha->vp_idx != (mb[3] & 0xff))
		if (mb[1] != 0xffff &&
		vha->vp_idx && vha->vp_idx != (mb[3] & 0xff))
		break;

		/* Global event -- port logout or port unavailable. */
		if (mb[1] == 0xffff && mb[2] == 0x7) {
		DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n",
		vha->host_no));
		DEBUG(printk(KERN_INFO
		"scsi(%ld): Port unavailable %04x %04x %04x.\n",
		vha->host_no, mb[1], mb[2], mb[3]));

		if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
		atomic_set(&vha->loop_state, LOOP_DOWN);
		atomic_set(&vha->loop_down_timer,
		LOOP_DOWN_TIME);
		vha->device_flags \|= DFLG_NO_CABLE;
		qla2x00_mark_all_devices_lost(vha, 1);
		}

		if (vha->vp_idx) {
		atomic_set(&vha->vp_state, VP_FAILED);
		fc_vport_set_state(vha->fc_vport,
		FC_VPORT_FAILED);
		}

		vha->flags.management_server_logged_in = 0;
		ha->link_data_rate = PORT_SPEED_UNKNOWN;
		break;
		}

		/*
		* If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
		* event etc. earlier indicating loop is down) then process