/*
- * 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
+ * Registration and callback for the s390 common I/O layer.
*
- * 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
*/
#include "zfcp_ext.h"
-#define ZFCP_LOG_AREA ZFCP_LOG_AREA_CONFIG
-
-static int zfcp_ccw_probe(struct ccw_device *);
-static void zfcp_ccw_remove(struct ccw_device *);
-static int zfcp_ccw_set_online(struct ccw_device *);
-static int zfcp_ccw_set_offline(struct ccw_device *);
-static int zfcp_ccw_notify(struct ccw_device *, int);
-static void zfcp_ccw_shutdown(struct ccw_device *);
-
-static struct ccw_device_id zfcp_ccw_device_id[] = {
- {CCW_DEVICE_DEVTYPE(ZFCP_CONTROL_UNIT_TYPE,
- ZFCP_CONTROL_UNIT_MODEL,
- ZFCP_DEVICE_TYPE,
- ZFCP_DEVICE_MODEL)},
- {CCW_DEVICE_DEVTYPE(ZFCP_CONTROL_UNIT_TYPE,
- ZFCP_CONTROL_UNIT_MODEL,
- ZFCP_DEVICE_TYPE,
- ZFCP_DEVICE_MODEL_PRIV)},
- {},
-};
-
-static struct ccw_driver zfcp_ccw_driver = {
- .owner = THIS_MODULE,
- .name = ZFCP_NAME,
- .ids = zfcp_ccw_device_id,
- .probe = zfcp_ccw_probe,
- .remove = zfcp_ccw_remove,
- .set_online = zfcp_ccw_set_online,
- .set_offline = zfcp_ccw_set_offline,
- .notify = zfcp_ccw_notify,
- .shutdown = zfcp_ccw_shutdown,
- .driver = {
- .groups = zfcp_driver_attr_groups,
- },
-};
-
-MODULE_DEVICE_TABLE(ccw, zfcp_ccw_device_id);
-
/**
* zfcp_ccw_probe - probe function of zfcp driver
* @ccw_device: pointer to belonging ccw device
* In addition the nameserver port will be added to the ports of the adapter
* and its sysfs representation will be created too.
*/
-static int
-zfcp_ccw_probe(struct ccw_device *ccw_device)
+static int zfcp_ccw_probe(struct ccw_device *ccw_device)
{
- struct zfcp_adapter *adapter;
int retval = 0;
down(&zfcp_data.config_sema);
- adapter = zfcp_adapter_enqueue(ccw_device);
- if (!adapter)
+ if (zfcp_adapter_enqueue(ccw_device)) {
+ dev_err(&ccw_device->dev,
+ "Setup of data structures failed.\n");
retval = -EINVAL;
- else
- ZFCP_LOG_DEBUG("Probed adapter %s\n",
- zfcp_get_busid_by_adapter(adapter));
+ }
up(&zfcp_data.config_sema);
return retval;
}
* ports that belong to this adapter. And in addition all resources of this
* adapter will be freed too.
*/
-static void
-zfcp_ccw_remove(struct ccw_device *ccw_device)
+static void zfcp_ccw_remove(struct ccw_device *ccw_device)
{
struct zfcp_adapter *adapter;
struct zfcp_port *port, *p;
down(&zfcp_data.config_sema);
adapter = dev_get_drvdata(&ccw_device->dev);
- ZFCP_LOG_DEBUG("Removing adapter %s\n",
- zfcp_get_busid_by_adapter(adapter));
write_lock_irq(&zfcp_data.config_lock);
list_for_each_entry_safe(port, p, &adapter->port_list_head, list) {
list_for_each_entry_safe(unit, u, &port->unit_list_head, list) {
* registered with the SCSI stack, that the QDIO queues will be set up
* and that the adapter will be opened (asynchronously).
*/
-static int
-zfcp_ccw_set_online(struct ccw_device *ccw_device)
+static int zfcp_ccw_set_online(struct ccw_device *ccw_device)
{
struct zfcp_adapter *adapter;
int retval;
adapter = dev_get_drvdata(&ccw_device->dev);
retval = zfcp_erp_thread_setup(adapter);
- if (retval) {
- ZFCP_LOG_INFO("error: start of error recovery thread for "
- "adapter %s failed\n",
- zfcp_get_busid_by_adapter(adapter));
+ if (retval)
goto out;
- }
retval = zfcp_adapter_scsi_register(adapter);
if (retval)
BUG_ON(!zfcp_reqlist_isempty(adapter));
adapter->req_no = 0;
- zfcp_erp_modify_adapter_status(adapter, ZFCP_STATUS_COMMON_RUNNING,
- ZFCP_SET);
- zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED);
+ zfcp_erp_modify_adapter_status(adapter, 10, NULL,
+ ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET);
+ zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED, 85,
+ NULL);
zfcp_erp_wait(adapter);
goto out;
* This function gets called by the common i/o layer and sets an adapter
* into state offline.
*/
-static int
-zfcp_ccw_set_offline(struct ccw_device *ccw_device)
+static int zfcp_ccw_set_offline(struct ccw_device *ccw_device)
{
struct zfcp_adapter *adapter;
down(&zfcp_data.config_sema);
adapter = dev_get_drvdata(&ccw_device->dev);
- zfcp_erp_adapter_shutdown(adapter, 0);
+ zfcp_erp_adapter_shutdown(adapter, 0, 86, NULL);
zfcp_erp_wait(adapter);
zfcp_erp_thread_kill(adapter);
up(&zfcp_data.config_sema);
}
/**
- * zfcp_ccw_notify
+ * zfcp_ccw_notify - ccw notify function
* @ccw_device: pointer to belonging ccw device
* @event: indicates if adapter was detached or attached
*
* This function gets called by the common i/o layer if an adapter has gone
* or reappeared.
*/
-static int
-zfcp_ccw_notify(struct ccw_device *ccw_device, int event)
+static int zfcp_ccw_notify(struct ccw_device *ccw_device, int event)
{
- struct zfcp_adapter *adapter;
+ struct zfcp_adapter *adapter = dev_get_drvdata(&ccw_device->dev);
- down(&zfcp_data.config_sema);
- adapter = dev_get_drvdata(&ccw_device->dev);
switch (event) {
case CIO_GONE:
- ZFCP_LOG_NORMAL("adapter %s: device gone\n",
- zfcp_get_busid_by_adapter(adapter));
- debug_text_event(adapter->erp_dbf,1,"dev_gone");
- zfcp_erp_adapter_shutdown(adapter, 0);
+ dev_warn(&adapter->ccw_device->dev, "device gone\n");
+ zfcp_erp_adapter_shutdown(adapter, 0, 87, NULL);
break;
case CIO_NO_PATH:
- ZFCP_LOG_NORMAL("adapter %s: no path\n",
- zfcp_get_busid_by_adapter(adapter));
- debug_text_event(adapter->erp_dbf,1,"no_path");
- zfcp_erp_adapter_shutdown(adapter, 0);
+ dev_warn(&adapter->ccw_device->dev, "no path\n");
+ zfcp_erp_adapter_shutdown(adapter, 0, 88, NULL);
break;
case CIO_OPER:
- ZFCP_LOG_NORMAL("adapter %s: operational again\n",
- zfcp_get_busid_by_adapter(adapter));
- debug_text_event(adapter->erp_dbf,1,"dev_oper");
- zfcp_erp_modify_adapter_status(adapter,
+ dev_info(&adapter->ccw_device->dev, "operational again\n");
+ zfcp_erp_modify_adapter_status(adapter, 11, NULL,
ZFCP_STATUS_COMMON_RUNNING,
ZFCP_SET);
- zfcp_erp_adapter_reopen(adapter,
- ZFCP_STATUS_COMMON_ERP_FAILED);
+ zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,
+ 89, NULL);
break;
}
- zfcp_erp_wait(adapter);
- up(&zfcp_data.config_sema);
return 1;
}
/**
- * zfcp_ccw_register - ccw register function
- *
- * Registers the driver at the common i/o layer. This function will be called
- * at module load time/system start.
+ * zfcp_ccw_shutdown - handle shutdown from cio
+ * @cdev: device for adapter to shutdown.
*/
-int __init
-zfcp_ccw_register(void)
-{
- return ccw_driver_register(&zfcp_ccw_driver);
-}
-
-/**
- * zfcp_ccw_shutdown - gets called on reboot/shutdown
- *
- * Makes sure that QDIO queues are down when the system gets stopped.
- */
-static void
-zfcp_ccw_shutdown(struct ccw_device *cdev)
+static void zfcp_ccw_shutdown(struct ccw_device *cdev)
{
struct zfcp_adapter *adapter;
down(&zfcp_data.config_sema);
adapter = dev_get_drvdata(&cdev->dev);
- zfcp_erp_adapter_shutdown(adapter, 0);
+ zfcp_erp_adapter_shutdown(adapter, 0, 90, NULL);
zfcp_erp_wait(adapter);
up(&zfcp_data.config_sema);
}
-#undef ZFCP_LOG_AREA
+static struct ccw_device_id zfcp_ccw_device_id[] = {
+ { CCW_DEVICE_DEVTYPE(0x1731, 0x3, 0x1732, 0x3) },
+ { CCW_DEVICE_DEVTYPE(0x1731, 0x3, 0x1732, 0x4) }, /* priv. */
+ {},
+};
+
+MODULE_DEVICE_TABLE(ccw, zfcp_ccw_device_id);
+
+static struct ccw_driver zfcp_ccw_driver = {
+ .owner = THIS_MODULE,
+ .name = "zfcp",
+ .ids = zfcp_ccw_device_id,
+ .probe = zfcp_ccw_probe,
+ .remove = zfcp_ccw_remove,
+ .set_online = zfcp_ccw_set_online,
+ .set_offline = zfcp_ccw_set_offline,
+ .notify = zfcp_ccw_notify,
+ .shutdown = zfcp_ccw_shutdown,
+};
+
+/**
+ * zfcp_ccw_register - ccw register function
+ *
+ * Registers the driver at the common i/o layer. This function will be called
+ * at module load time/system start.
+ */
+int __init zfcp_ccw_register(void)
+{
+ return ccw_driver_register(&zfcp_ccw_driver);
+}
git.openpandora.org / pandora-kernel.git / blobdiff