Commit daae62a3 authored May 15, 2012 by Chad Dupuis Committed by James Bottomley May 22, 2012

[SCSI] qla2xxx: Log link up and link down messages to track link flops.



Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

parent 00adc9a0

drivers/scsi/qla2xxx/qla_dbg.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -19,7 +19,7 @@
		* \| Queue Command and IO tracing \| 0x3030 \| 0x3006,0x3008 \|
		* \| \| \| 0x302d-0x302e \|
		* \| DPC Thread \| 0x401c \| 0x4002,0x4013 \|
		* \| Async Events \| 0x505d \| 0x502b-0x502f \|
		* \| Async Events \| 0x505f \| 0x502b-0x502f \|
		* \| \| \| 0x5047,0x5052 \|
		* \| Timer Routines \| 0x6011 \| \|
		* \| User Space Interactions \| 0x709f \| 0x7018,0x702e, \|

drivers/scsi/qla2xxx/qla_gbl.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -383,6 +383,8 @@ extern int qla2x00_request_irqs(struct qla_hw_data , struct rsp_que );
		extern void qla2x00_free_irqs(scsi_qla_host_t *);

		extern int qla2x00_get_data_rate(scsi_qla_host_t *);
		extern char qla2x00_get_link_speed_str(struct qla_hw_data );

		/*
		* Global Function Prototypes in qla_sup.c source file.
		*/

drivers/scsi/qla2xxx/qla_init.c

+1 −7

Original line number	Diff line number	Diff line
		@@ -2795,8 +2795,6 @@ qla2x00_configure_local_loop(scsi_qla_host_t *vha)
		static void
		qla2x00_iidma_fcport(scsi_qla_host_t vha, fc_port_t fcport)
		{
		#define LS_UNKNOWN 2
		static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
		char *link_speed;
		int rval;
		uint16_t mb[4];
		@@ -2824,11 +2822,7 @@ qla2x00_iidma_fcport(scsi_qla_host_t vha, fc_port_t fcport)
		fcport->port_name[6], fcport->port_name[7], rval,
		fcport->fp_speed, mb[0], mb[1]);
		} else {
		link_speed = link_speeds[LS_UNKNOWN];
		if (fcport->fp_speed < 5)
		link_speed = link_speeds[fcport->fp_speed];
		else if (fcport->fp_speed == 0x13)
		link_speed = link_speeds[5];
		link_speed = qla2x00_get_link_speed_str(ha);
		ql_dbg(ql_dbg_disc, vha, 0x2005,
		"iIDMA adjusted to %s GB/s "
		"on %02x%02x%02x%02x%02x%02x%02x%02x.\n", link_speed,

drivers/scsi/qla2xxx/qla_isr.c

+31 −13

Original line number	Diff line number	Diff line
		@@ -309,6 +309,28 @@ qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
		"IDC failed to post ACK.\n");
		}

		#define LS_UNKNOWN 2
		char *
		qla2x00_get_link_speed_str(struct qla_hw_data *ha)
		{
		static char *link_speeds[] = {"1", "2", "?", "4", "8", "16", "10"};
		char *link_speed;
		int fw_speed = ha->link_data_rate;

		if (IS_QLA2100(ha) \|\| IS_QLA2200(ha))
		link_speed = link_speeds[0];
		else if (fw_speed == 0x13)
		link_speed = link_speeds[6];
		else {
		link_speed = link_speeds[LS_UNKNOWN];
		if (fw_speed < 6)
		link_speed =
		link_speeds[fw_speed];
		}

		return link_speed;
		}

		/**
		* qla2x00_async_event() - Process aynchronous events.
		* @ha: SCSI driver HA context
		@@ -317,9 +339,6 @@ qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
		void
		qla2x00_async_event(scsi_qla_host_t vha, struct rsp_que rsp, uint16_t *mb)
		{
		#define LS_UNKNOWN 2
		static char *link_speeds[] = { "1", "2", "?", "4", "8", "16", "10" };
		char *link_speed;
		uint16_t handle_cnt;
		uint16_t cnt, mbx;
		uint32_t handles[5];
		@@ -479,20 +498,14 @@ qla2x00_async_event(scsi_qla_host_t vha, struct rsp_que rsp, uint16_t *mb)
		break;

		case MBA_LOOP_UP: /* Loop Up Event */
		if (IS_QLA2100(ha) \|\| IS_QLA2200(ha)) {
		link_speed = link_speeds[0];
		if (IS_QLA2100(ha) \|\| IS_QLA2200(ha))
		ha->link_data_rate = PORT_SPEED_1GB;
		} else {
		link_speed = link_speeds[LS_UNKNOWN];
		if (mb[1] < 6)
		link_speed = link_speeds[mb[1]];
		else if (mb[1] == 0x13)
		link_speed = link_speeds[6];
		else
		ha->link_data_rate = mb[1];
		}

		ql_dbg(ql_dbg_async, vha, 0x500a,
		"LOOP UP detected (%s Gbps).\n", link_speed);
		"LOOP UP detected (%s Gbps).\n",
		qla2x00_get_link_speed_str(ha));

		vha->flags.management_server_logged_in = 0;
		qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
		@@ -638,6 +651,8 @@ qla2x00_async_event(scsi_qla_host_t vha, struct rsp_que rsp, uint16_t *mb)
		ql_dbg(ql_dbg_async, vha, 0x5010,
		"Port unavailable %04x %04x %04x.\n",
		mb[1], mb[2], mb[3]);
		ql_log(ql_log_warn, vha, 0x505e,
		"Link is offline.\n");

		if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
		atomic_set(&vha->loop_state, LOOP_DOWN);
		@@ -676,6 +691,9 @@ qla2x00_async_event(scsi_qla_host_t vha, struct rsp_que rsp, uint16_t *mb)
		ql_dbg(ql_dbg_async, vha, 0x5012,
		"Port database changed %04x %04x %04x.\n",
		mb[1], mb[2], mb[3]);
		ql_log(ql_log_warn, vha, 0x505f,
		"Link is operational (%s Gbps).\n",
		qla2x00_get_link_speed_str(ha));

		/*
		* Mark all devices as missing so we will login again.