redonkable/alistair23-linux
redonkable/alistair23-linux
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[SCSI] qla2xxx: Log link up and link down messages to track link flops.

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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>
This commit is contained in:
Chad Dupuis 2012-05-15 14:34:23 -04:00 committed by James Bottomley
parent 00adc9a034
commit daae62a33e
4 changed files with 35 additions and 21 deletions
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2
drivers/scsi/qla2xxx/qla_dbg.c
View file

@ -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, |

2
drivers/scsi/qla2xxx/qla_gbl.h
View file

@ -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.
*/

8
drivers/scsi/qla2xxx/qla_init.c
View file

@ -2795,8 +2795,6 @@ cleanup_allocation:
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,

44
drivers/scsi/qla2xxx/qla_isr.c
View file

@ -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 @@ skip_rio:
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 @@ skip_rio:
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 @@ skip_rio:
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.