[SCSI] qla2xxx: Log fcport state transitions when debug messages are enabled.

Add the inline function qla2x00_set_port_state() so that when a fcport state
transition happens we can log the state transition if debug messages are
enabled.

Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Chad Dupuis 2011-03-30 11:46:32 -07:00 committed by James Bottomley
parent a4f92a32a0
commit ec426e106c
6 changed files with 35 additions and 8 deletions

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@ -1568,7 +1568,7 @@ qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
/* Now that the rport has been deleted, set the fcport state to
FCS_DEVICE_DEAD */
atomic_set(&fcport->state, FCS_DEVICE_DEAD);
qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
/*
* Transport has effectively 'deleted' the rport, clear

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@ -1717,6 +1717,14 @@ typedef struct fc_port {
#define FCS_DEVICE_LOST 3
#define FCS_ONLINE 4
static const char * const port_state_str[] = {
"Unknown",
"UNCONFIGURED",
"DEAD",
"LOST",
"ONLINE"
};
/*
* FC port flags.
*/

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@ -2544,7 +2544,7 @@ qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
fcport->vp_idx = vha->vp_idx;
fcport->port_type = FCT_UNKNOWN;
fcport->loop_id = FC_NO_LOOP_ID;
atomic_set(&fcport->state, FCS_UNCONFIGURED);
qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
fcport->supported_classes = FC_COS_UNSPECIFIED;
return fcport;
@ -2730,7 +2730,7 @@ qla2x00_configure_local_loop(scsi_qla_host_t *vha)
"loop_id=0x%04x\n",
vha->host_no, fcport->loop_id));
atomic_set(&fcport->state, FCS_DEVICE_LOST);
qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
}
}
@ -2942,7 +2942,7 @@ qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
qla2x00_iidma_fcport(vha, fcport);
qla24xx_update_fcport_fcp_prio(vha, fcport);
qla2x00_reg_remote_port(vha, fcport);
atomic_set(&fcport->state, FCS_ONLINE);
qla2x00_set_fcport_state(fcport, FCS_ONLINE);
}
/*

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@ -83,3 +83,22 @@ qla2x00_clean_dsd_pool(struct qla_hw_data *ha, srb_t *sp)
}
INIT_LIST_HEAD(&((struct crc_context *)sp->ctx)->dsd_list);
}
static inline void
qla2x00_set_fcport_state(fc_port_t *fcport, int state)
{
int old_state;
old_state = atomic_read(&fcport->state);
atomic_set(&fcport->state, state);
/* Don't print state transitions during initial allocation of fcport */
if (old_state && old_state != state) {
DEBUG(qla_printk(KERN_WARNING, fcport->vha->hw,
"scsi(%ld): FCPort state transitioned from %s to %s - "
"portid=%02x%02x%02x.\n", fcport->vha->host_no,
port_state_str[old_state], port_state_str[state],
fcport->d_id.b.domain, fcport->d_id.b.area,
fcport->d_id.b.al_pa));
}
}

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@ -136,7 +136,7 @@ qla2x00_mark_vp_devices_dead(scsi_qla_host_t *vha)
vha->host_no, fcport->loop_id, fcport->vp_idx));
qla2x00_mark_device_lost(vha, fcport, 0, 0);
atomic_set(&fcport->state, FCS_UNCONFIGURED);
qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
}
}

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@ -2552,7 +2552,7 @@ void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
{
if (atomic_read(&fcport->state) == FCS_ONLINE &&
vha->vp_idx == fcport->vp_idx) {
atomic_set(&fcport->state, FCS_DEVICE_LOST);
qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
qla2x00_schedule_rport_del(vha, fcport, defer);
}
/*
@ -2560,7 +2560,7 @@ void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
* port but do the retries.
*/
if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
atomic_set(&fcport->state, FCS_DEVICE_LOST);
qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
if (!do_login)
return;
@ -2615,7 +2615,7 @@ qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
continue;
if (atomic_read(&fcport->state) == FCS_ONLINE) {
atomic_set(&fcport->state, FCS_DEVICE_LOST);
qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
if (defer)
qla2x00_schedule_rport_del(vha, fcport, defer);
else if (vha->vp_idx == fcport->vp_idx)