From: Andrew Vasquez <andrew.vasquez@qlogic.com>
To: James Bottomley <James.Bottomley@steeleye.com>
Cc: SCSI Mailing List <linux-scsi@vger.kernel.org>
Subject: PATCH [12/15] qla2xxx: Restore update state during resync
Date: Sun, 14 Mar 2004 00:25:55 -0800 [thread overview]
Message-ID: <20040314082555.GA3465@linux.local.home> (raw)
ChangeSet
1.1668 04/03/02 07:13:34 andrew.vasquez@apc.qlogic.com +2 -0
Restore the UPDATE state of the HA if a resync event occurs during
a device (re)discovery.
drivers/scsi/qla2xxx/qla_init.c | 25 ++++++++++++++++++++++++-
drivers/scsi/qla2xxx/qla_isr.c | 1 +
2 files changed, 25 insertions(+), 1 deletion(-)
ftp://ftp.qlogic.com/outgoing/linux/patches/8.x/8.00.00b11k/21_restore_update_state.patch
diff -Nru a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
--- a/drivers/scsi/qla2xxx/qla_init.c Fri Mar 12 17:09:24 2004
+++ b/drivers/scsi/qla2xxx/qla_init.c Fri Mar 12 17:09:24 2004
@@ -1497,7 +1497,7 @@
{
int rval;
uint8_t rval1 = 0;
- static unsigned long flags, save_flags;
+ unsigned long flags, save_flags;
rval = QLA_SUCCESS;
@@ -1597,6 +1597,14 @@
DEBUG3(printk("%s: exiting normally\n", __func__));
}
+ /* Restore state if a resync event occured during processing */
+ if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
+ if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
+ set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
+ if (test_bit(RSCN_UPDATE, &save_flags))
+ set_bit(RSCN_UPDATE, &ha->dpc_flags);
+ }
+
return (rval);
}
@@ -1805,6 +1813,20 @@
return (rval);
}
+static void
+qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
+{
+ fc_port_t *fcport;
+
+ qla2x00_mark_all_devices_lost(ha);
+ list_for_each_entry(fcport, &ha->fcports, list) {
+ if (fcport->port_type != FCT_TARGET)
+ continue;
+
+ qla2x00_update_fcport(ha, fcport);
+ }
+}
+
/*
* qla2x00_update_fcport
* Updates device on list.
@@ -3194,6 +3216,7 @@
rescan_done = 1;
}
+ qla2x00_probe_for_all_luns(ha);
/* Update OS target and lun structures if necessary. */
if (rescan_done) {
diff -Nru a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
--- a/drivers/scsi/qla2xxx/qla_isr.c Fri Mar 12 17:09:24 2004
+++ b/drivers/scsi/qla2xxx/qla_isr.c Fri Mar 12 17:09:24 2004
@@ -452,6 +452,7 @@
if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
atomic_set(&ha->loop_state, LOOP_DOWN);
atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
+ ha->device_flags |= DFLG_NO_CABLE;
qla2x00_mark_all_devices_lost(ha);
}
reply other threads:[~2004-03-14 8:23 UTC|newest]
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