summaryrefslogtreecommitdiffstats
path: root/drivers/s390/scsi/zfcp_scsi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/s390/scsi/zfcp_scsi.c')
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c64
1 files changed, 9 insertions, 55 deletions
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 4b0c85acb0f0..a96e5c3b9460 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -1,26 +1,11 @@
/*
- * This file is part of the zfcp device driver for
- * FCP adapters for IBM System z9 and zSeries.
+ * zfcp device driver
*
- * (C) Copyright IBM Corp. 2002, 2006
+ * Interface to Linux SCSI midlayer.
*
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Copyright IBM Corporation 2002, 2008
*/
-#define ZFCP_LOG_AREA ZFCP_LOG_AREA_SCSI
-
#include "zfcp_ext.h"
#include <asm/atomic.h>
@@ -44,7 +29,7 @@ static struct device_attribute *zfcp_a_stats_attrs[];
struct zfcp_data zfcp_data = {
.scsi_host_template = {
- .name = ZFCP_NAME,
+ .name = "zfcp",
.module = THIS_MODULE,
.proc_name = "zfcp",
.slave_alloc = zfcp_scsi_slave_alloc,
@@ -64,7 +49,6 @@ struct zfcp_data zfcp_data = {
.max_sectors = ZFCP_MAX_SECTORS,
.shost_attrs = zfcp_a_stats_attrs,
},
- .driver_version = ZFCP_VERSION,
};
/* Find start of Response Information in FCP response unit*/
@@ -181,16 +165,14 @@ zfcp_scsi_slave_alloc(struct scsi_device *sdp)
static void zfcp_scsi_slave_destroy(struct scsi_device *sdpnt)
{
struct zfcp_unit *unit = (struct zfcp_unit *) sdpnt->hostdata;
-
+ WARN_ON(!unit);
if (unit) {
atomic_clear_mask(ZFCP_STATUS_UNIT_REGISTERED, &unit->status);
sdpnt->hostdata = NULL;
unit->device = NULL;
zfcp_erp_unit_failed(unit, 12, NULL);
zfcp_unit_put(unit);
- } else
- ZFCP_LOG_NORMAL("bug: no unit associated with SCSI device at "
- "address %p\n", sdpnt);
+ }
}
/*
@@ -253,10 +235,6 @@ zfcp_scsi_command_async(struct zfcp_adapter *adapter, struct zfcp_unit *unit,
if (unlikely(
atomic_test_mask(ZFCP_STATUS_COMMON_ERP_FAILED, &unit->status) ||
!atomic_test_mask(ZFCP_STATUS_COMMON_RUNNING, &unit->status))) {
- ZFCP_LOG_DEBUG("stopping SCSI I/O on unit 0x%016Lx on port "
- "0x%016Lx on adapter %s\n",
- unit->fcp_lun, unit->port->wwpn,
- zfcp_get_busid_by_adapter(adapter));
zfcp_scsi_command_fail(scpnt, DID_ERROR);
goto out;
}
@@ -264,18 +242,12 @@ zfcp_scsi_command_async(struct zfcp_adapter *adapter, struct zfcp_unit *unit,
tmp = zfcp_fsf_send_fcp_command_task(adapter, unit, scpnt, use_timer,
ZFCP_REQ_AUTO_CLEANUP);
if (unlikely(tmp == -EBUSY)) {
- ZFCP_LOG_DEBUG("adapter %s not ready or unit 0x%016Lx "
- "on port 0x%016Lx in recovery\n",
- zfcp_get_busid_by_unit(unit),
- unit->fcp_lun, unit->port->wwpn);
zfcp_scsi_command_fail(scpnt, DID_NO_CONNECT);
goto out;
}
- if (unlikely(tmp < 0)) {
- ZFCP_LOG_DEBUG("error: initiation of Send FCP Cmnd failed\n");
+ if (unlikely(tmp < 0))
retval = SCSI_MLQUEUE_HOST_BUSY;
- }
out:
return retval;
@@ -394,9 +366,6 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
adapter = (struct zfcp_adapter *) scsi_host->hostdata[0];
unit = (struct zfcp_unit *) scpnt->device->hostdata;
- ZFCP_LOG_INFO("aborting scsi_cmnd=%p on adapter %s\n",
- scpnt, zfcp_get_busid_by_adapter(adapter));
-
/* avoid race condition between late normal completion and abort */
write_lock_irqsave(&adapter->abort_lock, flags);
@@ -420,7 +389,6 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
fsf_req = zfcp_fsf_abort_fcp_command(old_req_id, adapter, unit, 0);
if (!fsf_req) {
- ZFCP_LOG_INFO("error: initiation of Abort FCP Cmnd failed\n");
zfcp_scsi_dbf_event_abort("nres", adapter, scpnt, NULL,
old_req_id);
retval = FAILED;
@@ -485,10 +453,6 @@ zfcp_task_management_function(struct zfcp_unit *unit, u8 tm_flags,
fsf_req = zfcp_fsf_send_fcp_command_task_management
(adapter, unit, tm_flags, 0);
if (!fsf_req) {
- ZFCP_LOG_INFO("error: creation of task management request "
- "failed for unit 0x%016Lx on port 0x%016Lx on "
- "adapter %s\n", unit->fcp_lun, unit->port->wwpn,
- zfcp_get_busid_by_adapter(adapter));
zfcp_scsi_dbf_event_devreset("nres", tm_flags, unit, scpnt);
retval = -ENOMEM;
goto out;
@@ -524,12 +488,6 @@ static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt)
unit = (struct zfcp_unit*) scpnt->device->hostdata;
adapter = unit->port->adapter;
-
- ZFCP_LOG_NORMAL("host reset because of problems with "
- "unit 0x%016Lx on port 0x%016Lx, adapter %s\n",
- unit->fcp_lun, unit->port->wwpn,
- zfcp_get_busid_by_adapter(unit->port->adapter));
-
zfcp_erp_adapter_reopen(adapter, 0, 141, scpnt);
zfcp_erp_wait(adapter);
@@ -549,13 +507,11 @@ zfcp_adapter_scsi_register(struct zfcp_adapter *adapter)
adapter->scsi_host = scsi_host_alloc(&zfcp_data.scsi_host_template,
sizeof (struct zfcp_adapter *));
if (!adapter->scsi_host) {
- ZFCP_LOG_NORMAL("error: registration with SCSI stack failed "
- "for adapter %s ",
- zfcp_get_busid_by_adapter(adapter));
+ dev_err(&adapter->ccw_device->dev,
+ "registration with SCSI stack failed.");
retval = -EIO;
goto out;
}
- ZFCP_LOG_DEBUG("host registered, scsi_host=%p\n", adapter->scsi_host);
/* tell the SCSI stack some characteristics of this adapter */
adapter->scsi_host->max_id = 1;
@@ -987,5 +943,3 @@ static struct device_attribute *zfcp_a_stats_attrs[] = {
&dev_attr_seconds_active,
NULL
};
-
-#undef ZFCP_LOG_AREA
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 07:45:51 +0000