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path: root/drivers/scsi/qla2xxx/qla_os.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c112
1 files changed, 39 insertions, 73 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 7aec93f9d42..c58c9d97b04 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1,20 +1,8 @@
/*
- * QLOGIC LINUX SOFTWARE
- *
- * QLogic ISP2x00 device driver for Linux 2.6.x
- * Copyright (C) 2003-2005 QLogic Corporation
- * (www.qlogic.com)
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2, or (at your option) any
- * later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
+ * QLogic Fibre Channel HBA Driver
+ * Copyright (c) 2003-2005 QLogic Corporation
*
+ * See LICENSE.qla2xxx for copyright and licensing details.
*/
#include "qla_def.h"
@@ -61,19 +49,6 @@ MODULE_PARM_DESC(ql2xplogiabsentdevice,
"a Fabric scan. This is needed for several broken switches."
"Default is 0 - no PLOGI. 1 - perfom PLOGI.");
-int ql2xenablezio = 0;
-module_param(ql2xenablezio, int, S_IRUGO|S_IRUSR);
-MODULE_PARM_DESC(ql2xenablezio,
- "Option to enable ZIO:If 1 then enable it otherwise"
- " use the default set in the NVRAM."
- " Default is 0 : disabled");
-
-int ql2xintrdelaytimer = 10;
-module_param(ql2xintrdelaytimer, int, S_IRUGO|S_IRUSR);
-MODULE_PARM_DESC(ql2xintrdelaytimer,
- "ZIO: Waiting time for Firmware before it generates an "
- "interrupt to the host to notify completion of request.");
-
int ql2xloginretrycount = 0;
module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
MODULE_PARM_DESC(ql2xloginretrycount,
@@ -373,11 +348,13 @@ qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
{
scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
+ struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
srb_t *sp;
int rval;
- if (!fcport) {
- cmd->result = DID_NO_CONNECT << 16;
+ rval = fc_remote_port_chkready(rport);
+ if (rval) {
+ cmd->result = rval;
goto qc_fail_command;
}
@@ -400,16 +377,6 @@ qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
if (rval != QLA_SUCCESS)
goto qc_host_busy_free_sp;
- /* Manage unprocessed RIO/ZIO commands in response queue. */
- if (ha->flags.online && ha->flags.process_response_queue &&
- ha->response_ring_ptr->signature != RESPONSE_PROCESSED) {
- unsigned long flags;
-
- spin_lock_irqsave(&ha->hardware_lock, flags);
- qla2x00_process_response_queue(ha);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- }
-
spin_lock_irq(ha->host->host_lock);
return 0;
@@ -436,11 +403,13 @@ qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
{
scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
+ struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
srb_t *sp;
int rval;
- if (!fcport) {
- cmd->result = DID_NO_CONNECT << 16;
+ rval = fc_remote_port_chkready(rport);
+ if (rval) {
+ cmd->result = rval;
goto qc24_fail_command;
}
@@ -797,29 +766,19 @@ qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
goto eh_dev_reset_done;
}
- /*
- * If we are coming down the EH path, wait for all commands to
- * complete for the device.
- */
- if (cmd->device->host->eh_active) {
- if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
- ret = FAILED;
-
- if (ret == FAILED) {
- DEBUG3(printk("%s(%ld): failed while waiting for "
- "commands\n", __func__, ha->host_no));
- qla_printk(KERN_INFO, ha,
- "%s: failed while waiting for commands\n",
- __func__);
-
- goto eh_dev_reset_done;
- }
- }
-
- qla_printk(KERN_INFO, ha,
- "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no, id, lun);
-
-eh_dev_reset_done:
+ /* Flush outstanding commands. */
+ if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
+ ret = FAILED;
+ if (ret == FAILED) {
+ DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
+ __func__, ha->host_no));
+ qla_printk(KERN_INFO, ha,
+ "%s: failed while waiting for commands\n", __func__);
+ } else
+ qla_printk(KERN_INFO, ha,
+ "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
+ id, lun);
+ eh_dev_reset_done:
return ret;
}
@@ -921,10 +880,9 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
if (ret == FAILED)
goto eh_bus_reset_done;
- /* Waiting for our command in done_queue to be returned to OS.*/
- if (cmd->device->host->eh_active)
- if (!qla2x00_eh_wait_for_pending_commands(ha))
- ret = FAILED;
+ /* Flush outstanding commands. */
+ if (!qla2x00_eh_wait_for_pending_commands(ha))
+ ret = FAILED;
eh_bus_reset_done:
qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
@@ -1087,10 +1045,10 @@ qla2xxx_slave_alloc(struct scsi_device *sdev)
{
struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
- if (!rport)
+ if (!rport || fc_remote_port_chkready(rport))
return -ENXIO;
- sdev->hostdata = rport->dd_data;
+ sdev->hostdata = *(fc_port_t **)rport->dd_data;
return 0;
}
@@ -1682,7 +1640,8 @@ void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
int do_login)
{
if (atomic_read(&fcport->state) == FCS_ONLINE && fcport->rport)
- fc_remote_port_block(fcport->rport);
+ schedule_work(&fcport->rport_del_work);
+
/*
* We may need to retry the login, so don't change the state of the
* port but do the retries.
@@ -1743,7 +1702,7 @@ qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha)
if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
continue;
if (atomic_read(&fcport->state) == FCS_ONLINE && fcport->rport)
- fc_remote_port_block(fcport->rport);
+ schedule_work(&fcport->rport_del_work);
atomic_set(&fcport->state, FCS_DEVICE_LOST);
}
}
@@ -2187,6 +2146,12 @@ qla2x00_do_dpc(void *data)
ha->host_no));
}
+ if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
+ DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
+ ha->host_no));
+ qla2x00_loop_reset(ha);
+ }
+
if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
(!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
@@ -2488,6 +2453,7 @@ qla2x00_timer(scsi_qla_host_t *ha)
/* Schedule the DPC routine if needed */
if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
+ test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
start_dpc ||
test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-09 16:38:21 +0000