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Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

Browse Source 
* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (207 commits)
  [SCSI] gdth: fix CONFIG_ISA build failure
  [SCSI] esp_scsi: remove __dev{init,exit}
  [SCSI] gdth: !use_sg cleanup and use of scsi accessors
  [SCSI] gdth: Move members from SCp to gdth_cmndinfo, stage 2
  [SCSI] gdth: Setup proper per-command private data
  [SCSI] gdth: Remove gdth_ctr_tab[]
  [SCSI] gdth: switch to modern scsi host registration
  [SCSI] gdth: gdth_interrupt() gdth_get_status() & gdth_wait() fixes
  [SCSI] gdth: clean up host private data
  [SCSI] gdth: Remove virt hosts
  [SCSI] gdth: Reorder scsi_host_template intitializers
  [SCSI] gdth: kill gdth_{read,write}[bwl] wrappers
  [SCSI] gdth: Remove 2.4.x support, in-kernel changelog
  [SCSI] gdth: split out pci probing
  [SCSI] gdth: split out eisa probing
  [SCSI] gdth: split out isa probing
  gdth: Make one abuse of scsi_cmnd less obvious
  [SCSI] NCR5380: Use scsi_eh API for REQUEST_SENSE invocation
  [SCSI] usb storage: use scsi_eh API in REQUEST_SENSE execution
  [SCSI] scsi_error: Refactoring scsi_error to facilitate in synchronous REQUEST_SENSE
  ...
This commit is contained in:
Linus Torvalds
2007-10-15 08:19:33 -07:00
parent 3d06f7a5f7 c8e91b0a8f
commit df3d80f5a5
168 changed files with 16306 additions and 20251 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/s390/scsi/zfcp_aux.c
View File

@@ -891,7 +891,7 @@ zfcp_unit_dequeue(struct zfcp_unit *unit)
/*
* Allocates a combined QTCB/fsf_req buffer for erp actions and fcp/SCSI
* commands.
* It also genrates fcp-nameserver request/response buffer and unsolicited
* It also genrates fcp-nameserver request/response buffer and unsolicited
* status read fsf_req buffers.
*
* locks: must only be called with zfcp_data.config_sema taken
@@ -982,7 +982,7 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device)
struct zfcp_adapter *adapter;
/*
* Note: It is safe to release the list_lock, as any list changes
* Note: It is safe to release the list_lock, as any list changes
* are protected by the config_sema, which must be held to get here
*/
@@ -1038,6 +1038,10 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device)
spin_lock_init(&adapter->san_dbf_lock);
spin_lock_init(&adapter->scsi_dbf_lock);
retval = zfcp_adapter_debug_register(adapter);
if (retval)
goto debug_register_failed;
/* initialize error recovery stuff */
rwlock_init(&adapter->erp_lock);
@@ -1058,7 +1062,6 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device)
/* mark adapter unusable as long as sysfs registration is not complete */
atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status);
adapter->ccw_device = ccw_device;
dev_set_drvdata(&ccw_device->dev, adapter);
if (zfcp_sysfs_adapter_create_files(&ccw_device->dev))
@@ -1085,6 +1088,8 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device)
generic_services_failed:
zfcp_sysfs_adapter_remove_files(&adapter->ccw_device->dev);
sysfs_failed:
zfcp_adapter_debug_unregister(adapter);
debug_register_failed:
dev_set_drvdata(&ccw_device->dev, NULL);
zfcp_reqlist_free(adapter);
failed_low_mem_buffers:
@@ -1130,6 +1135,8 @@ zfcp_adapter_dequeue(struct zfcp_adapter *adapter)
goto out;
}
zfcp_adapter_debug_unregister(adapter);
/* remove specified adapter data structure from list */
write_lock_irq(&zfcp_data.config_lock);
list_del(&adapter->list);

8
drivers/s390/scsi/zfcp_ccw.c
View File

@@ -148,15 +148,12 @@ zfcp_ccw_set_online(struct ccw_device *ccw_device)
down(&zfcp_data.config_sema);
adapter = dev_get_drvdata(&ccw_device->dev);
retval = zfcp_adapter_debug_register(adapter);
if (retval)
goto out;
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));
goto out_erp_thread;
goto out;
}
retval = zfcp_adapter_scsi_register(adapter);
@@ -175,8 +172,6 @@ zfcp_ccw_set_online(struct ccw_device *ccw_device)
out_scsi_register:
zfcp_erp_thread_kill(adapter);
out_erp_thread:
zfcp_adapter_debug_unregister(adapter);
out:
up(&zfcp_data.config_sema);
return retval;
@@ -199,7 +194,6 @@ zfcp_ccw_set_offline(struct ccw_device *ccw_device)
zfcp_erp_adapter_shutdown(adapter, 0);
zfcp_erp_wait(adapter);
zfcp_erp_thread_kill(adapter);
zfcp_adapter_debug_unregister(adapter);
up(&zfcp_data.config_sema);
return 0;
}

46
drivers/s390/scsi/zfcp_def.h
View File

@@ -1,23 +1,23 @@
/*
/*
* This file is part of the zfcp device driver for
* FCP adapters for IBM System z9 and zSeries.
*
* (C) Copyright IBM Corp. 2002, 2006
*
* 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.
*/
*
* 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.
*/
#ifndef ZFCP_DEF_H
#define ZFCP_DEF_H
@@ -90,7 +90,7 @@ zfcp_address_to_sg(void *address, struct scatterlist *list)
#define ZFCP_DEVICE_TYPE 0x1732
#define ZFCP_DEVICE_MODEL 0x03
#define ZFCP_DEVICE_MODEL_PRIV 0x04
/* allow as many chained SBALs as are supported by hardware */
#define ZFCP_MAX_SBALS_PER_REQ FSF_MAX_SBALS_PER_REQ
#define ZFCP_MAX_SBALS_PER_CT_REQ FSF_MAX_SBALS_PER_REQ
@@ -508,7 +508,7 @@ struct zfcp_rc_entry {
/*
* this allows removal of logging code by the preprocessor
* (the most detailed log level still to be compiled in is specified,
* (the most detailed log level still to be compiled in is specified,
* higher log levels are removed)
*/
#define ZFCP_LOG_LEVEL_LIMIT ZFCP_LOG_LEVEL_TRACE
@@ -546,7 +546,7 @@ do { \
if (ZFCP_LOG_CHECK(level)) \
_ZFCP_LOG(fmt, ##args); \
} while (0)
#if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_NORMAL
# define ZFCP_LOG_NORMAL(fmt, args...) do { } while (0)
#else
@@ -583,8 +583,8 @@ do { \
/*************** ADAPTER/PORT/UNIT AND FSF_REQ STATUS FLAGS ******************/
/*
* Note, the leftmost status byte is common among adapter, port
/*
* Note, the leftmost status byte is common among adapter, port
* and unit
*/
#define ZFCP_COMMON_FLAGS 0xfff00000
@@ -1007,8 +1007,8 @@ struct zfcp_fsf_req {
u32 fsf_command; /* FSF Command copy */
struct fsf_qtcb *qtcb; /* address of associated QTCB */
u32 seq_no; /* Sequence number of request */
unsigned long data; /* private data of request */
struct timer_list timer; /* used for erp or scsi er */
unsigned long data; /* private data of request */
struct timer_list timer; /* used for erp or scsi er */
struct zfcp_erp_action *erp_action; /* used if this request is
issued on behalf of erp */
mempool_t *pool; /* used if request was alloacted

140
drivers/s390/scsi/zfcp_erp.c
View File

@@ -1,22 +1,22 @@
/*
/*
* This file is part of the zfcp device driver for
* FCP adapters for IBM System z9 and zSeries.
*
* (C) Copyright IBM Corp. 2002, 2006
*
* 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.
*
* 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.
*/
#define ZFCP_LOG_AREA ZFCP_LOG_AREA_ERP
@@ -191,7 +191,7 @@ void zfcp_fsf_start_timer(struct zfcp_fsf_req *fsf_req, unsigned long timeout)
}
/*
* function:
* function:
*
* purpose: called if an adapter failed,
* initiates adapter recovery which is done
@@ -228,7 +228,7 @@ zfcp_erp_adapter_reopen_internal(struct zfcp_adapter *adapter, int clear_mask)
}
/*
* function:
* function:
*
* purpose: Wrappper for zfcp_erp_adapter_reopen_internal
* used to ensure the correct locking
@@ -476,7 +476,7 @@ zfcp_test_link(struct zfcp_port *port)
/*
* function:
* function:
*
* purpose: called if a port failed to be opened normally
* initiates Forced Reopen recovery which is done
@@ -517,7 +517,7 @@ zfcp_erp_port_forced_reopen_internal(struct zfcp_port *port, int clear_mask)
}
/*
* function:
* function:
*
* purpose: Wrappper for zfcp_erp_port_forced_reopen_internal
* used to ensure the correct locking
@@ -543,7 +543,7 @@ zfcp_erp_port_forced_reopen(struct zfcp_port *port, int clear_mask)
}
/*
* function:
* function:
*
* purpose: called if a port is to be opened
* initiates Reopen recovery which is done
@@ -612,7 +612,7 @@ zfcp_erp_port_reopen(struct zfcp_port *port, int clear_mask)
}
/*
* function:
* function:
*
* purpose: called if a unit is to be opened
* initiates Reopen recovery which is done
@@ -704,7 +704,7 @@ static void zfcp_erp_adapter_unblock(struct zfcp_adapter *adapter)
}
/*
* function:
* function:
*
* purpose: disable I/O,
* return any open requests and clean them up,
@@ -725,7 +725,7 @@ zfcp_erp_port_block(struct zfcp_port *port, int clear_mask)
}
/*
* function:
* function:
*
* purpose: enable I/O
*
@@ -742,7 +742,7 @@ zfcp_erp_port_unblock(struct zfcp_port *port)
}
/*
* function:
* function:
*
* purpose: disable I/O,
* return any open requests and clean them up,
@@ -763,7 +763,7 @@ zfcp_erp_unit_block(struct zfcp_unit *unit, int clear_mask)
}
/*
* function:
* function:
*
* purpose: enable I/O
*
@@ -792,7 +792,7 @@ zfcp_erp_action_ready(struct zfcp_erp_action *erp_action)
}
/*
* function:
* function:
*
* purpose:
*
@@ -967,7 +967,7 @@ static void zfcp_erp_timeout_handler(unsigned long data)
* zfcp_erp_action_dismiss - dismiss an erp_action
*
* adapter->erp_lock must be held
*
*
* Dismissal of an erp_action is usually required if an erp_action of
* higher priority is generated.
*/
@@ -1005,9 +1005,9 @@ zfcp_erp_thread_setup(struct zfcp_adapter *adapter)
}
/*
* function:
* function:
*
* purpose:
* purpose:
*
* returns:
*
@@ -1094,7 +1094,7 @@ zfcp_erp_thread(void *data)
}
/*
* function:
* function:
*
* purpose: drives single error recovery action and schedules higher and
* subordinate actions, if necessary
@@ -1206,7 +1206,7 @@ zfcp_erp_strategy(struct zfcp_erp_action *erp_action)
/*
* put this target through the erp mill again if someone has
* requested to change the status of a target being online
* requested to change the status of a target being online
* to offline or the other way around
* (old retval is preserved if nothing has to be done here)
*/
@@ -1228,7 +1228,7 @@ zfcp_erp_strategy(struct zfcp_erp_action *erp_action)
unlock:
write_unlock(&adapter->erp_lock);
read_unlock_irqrestore(&zfcp_data.config_lock, flags);
if (retval != ZFCP_ERP_CONTINUES)
zfcp_erp_action_cleanup(action, adapter, port, unit, retval);
@@ -1250,9 +1250,9 @@ zfcp_erp_strategy(struct zfcp_erp_action *erp_action)
}
/*
* function:
* function:
*
* purpose:
* purpose:
*
* returns: ZFCP_ERP_DISMISSED - if action has been dismissed
* retval - otherwise
@@ -1322,7 +1322,7 @@ zfcp_erp_strategy_do_action(struct zfcp_erp_action *erp_action)
}
/*
* function:
* function:
*
* purpose: triggers retry of this action after a certain amount of time
* by means of timer provided by erp_action
@@ -1346,7 +1346,7 @@ zfcp_erp_strategy_memwait(struct zfcp_erp_action *erp_action)
return retval;
}
/*
/*
* function: zfcp_erp_adapter_failed
*
* purpose: sets the adapter and all underlying devices to ERP_FAILED
@@ -1362,7 +1362,7 @@ zfcp_erp_adapter_failed(struct zfcp_adapter *adapter)
debug_text_event(adapter->erp_dbf, 2, "a_afail");
}
/*
/*
* function: zfcp_erp_port_failed
*
* purpose: sets the port and all underlying devices to ERP_FAILED
@@ -1386,7 +1386,7 @@ zfcp_erp_port_failed(struct zfcp_port *port)
debug_event(port->adapter->erp_dbf, 2, &port->wwpn, sizeof (wwn_t));
}
/*
/*
* function: zfcp_erp_unit_failed
*
* purpose: sets the unit to ERP_FAILED
@@ -1417,7 +1417,7 @@ zfcp_erp_unit_failed(struct zfcp_unit *unit)
* successfully is reset.
*
* returns: ZFCP_ERP_CONTINUES - action continues (not considered)
* ZFCP_ERP_SUCCEEDED - action finished successfully
* ZFCP_ERP_SUCCEEDED - action finished successfully
* ZFCP_ERP_EXIT - action failed and will not continue
*/
static int
@@ -1646,7 +1646,7 @@ zfcp_erp_schedule_work(struct zfcp_unit *unit)
}
/*
* function:
* function:
*
* purpose: remaining things in good cases,
* escalation in bad cases
@@ -1687,8 +1687,8 @@ zfcp_erp_strategy_followup_actions(int action,
break;
case ZFCP_ERP_ACTION_REOPEN_UNIT:
if (status == ZFCP_ERP_SUCCEEDED) ; /* no further action */
else
/* Nothing to do if status == ZFCP_ERP_SUCCEEDED */
if (status != ZFCP_ERP_SUCCEEDED)
zfcp_erp_port_reopen_internal(unit->port, 0);
break;
}
@@ -1815,7 +1815,7 @@ zfcp_erp_modify_unit_status(struct zfcp_unit *unit, u32 mask, int set_or_clear)
}
/*
* function:
* function:
*
* purpose: Wrappper for zfcp_erp_port_reopen_all_internal
* used to ensure the correct locking
@@ -1852,9 +1852,9 @@ zfcp_erp_port_reopen_all_internal(struct zfcp_adapter *adapter, int clear_mask)
}
/*
* function:
* function:
*
* purpose:
* purpose:
*
* returns: FIXME
*/
@@ -1871,7 +1871,7 @@ zfcp_erp_unit_reopen_all_internal(struct zfcp_port *port, int clear_mask)
}
/*
* function:
* function:
*
* purpose: this routine executes the 'Reopen Adapter' action
* (the entire action is processed synchronously, since
@@ -1908,9 +1908,9 @@ zfcp_erp_adapter_strategy(struct zfcp_erp_action *erp_action)
}
/*
* function:
* function:
*
* purpose:
* purpose:
*
* returns: ZFCP_ERP_SUCCEEDED - action finished successfully
* ZFCP_ERP_FAILED - action finished unsuccessfully
@@ -1930,9 +1930,9 @@ zfcp_erp_adapter_strategy_close(struct zfcp_erp_action *erp_action)
}
/*
* function:
* function:
*
* purpose:
* purpose:
*
* returns: ZFCP_ERP_SUCCEEDED - action finished successfully
* ZFCP_ERP_FAILED - action finished unsuccessfully
@@ -1957,7 +1957,7 @@ zfcp_erp_adapter_strategy_open(struct zfcp_erp_action *erp_action)
* purpose: allocate the irq associated with this devno and register
* the FSF adapter with the SCSI stack
*
* returns:
* returns:
*/
static int
zfcp_erp_adapter_strategy_generic(struct zfcp_erp_action *erp_action, int close)
@@ -2197,7 +2197,7 @@ zfcp_erp_adapter_strategy_open_fsf_xport(struct zfcp_erp_action *erp_action)
zfcp_erp_action_to_running(erp_action);
write_unlock_irq(&adapter->erp_lock);
ret = zfcp_fsf_exchange_port_data(erp_action, adapter, NULL);
ret = zfcp_fsf_exchange_port_data(erp_action);
if (ret == -EOPNOTSUPP) {
debug_text_event(adapter->erp_dbf, 3, "a_xport_notsupp");
return ZFCP_ERP_SUCCEEDED;
@@ -2249,7 +2249,7 @@ zfcp_erp_adapter_strategy_open_fsf_statusread(struct zfcp_erp_action
}
/*
* function:
* function:
*
* purpose: this routine executes the 'Reopen Physical Port' action
*
@@ -2308,7 +2308,7 @@ zfcp_erp_port_forced_strategy(struct zfcp_erp_action *erp_action)
}
/*
* function:
* function:
*
* purpose: this routine executes the 'Reopen Port' action
*
@@ -2530,7 +2530,7 @@ zfcp_erp_port_strategy_open_nameserver(struct zfcp_erp_action *erp_action)
}
/*
* function:
* function:
*
* purpose: makes the erp thread continue with reopen (physical) port
* actions which have been paused until the name server port
@@ -2570,9 +2570,9 @@ zfcp_erp_port_strategy_open_nameserver_wakeup(struct zfcp_erp_action
}
/*
* function:
* function:
*
* purpose:
* purpose:
*
* returns: ZFCP_ERP_CONTINUES - action continues (asynchronously)
* ZFCP_ERP_FAILED - action finished unsuccessfully
@@ -2626,9 +2626,9 @@ zfcp_erp_port_strategy_clearstati(struct zfcp_port *port)
}
/*
* function:
* function:
*
* purpose:
* purpose:
*
* returns: ZFCP_ERP_CONTINUES - action continues (asynchronously)
* ZFCP_ERP_FAILED - action finished unsuccessfully
@@ -2663,9 +2663,9 @@ zfcp_erp_port_strategy_close(struct zfcp_erp_action *erp_action)
}
/*
* function:
* function:
*
* purpose:
* purpose:
*
* returns: ZFCP_ERP_CONTINUES - action continues (asynchronously)
* ZFCP_ERP_FAILED - action finished unsuccessfully
@@ -2700,9 +2700,9 @@ zfcp_erp_port_strategy_open_port(struct zfcp_erp_action *erp_action)
}
/*
* function:
* function:
*
* purpose:
* purpose:
*
* returns: ZFCP_ERP_CONTINUES - action continues (asynchronously)
* ZFCP_ERP_FAILED - action finished unsuccessfully
@@ -2737,7 +2737,7 @@ zfcp_erp_port_strategy_open_common_lookup(struct zfcp_erp_action *erp_action)
}
/*
* function:
* function:
*
* purpose: this routine executes the 'Reopen Unit' action
* currently no retries
@@ -2825,9 +2825,9 @@ zfcp_erp_unit_strategy_clearstati(struct zfcp_unit *unit)
}
/*
* function:
* function:
*
* purpose:
* purpose:
*
* returns: ZFCP_ERP_CONTINUES - action continues (asynchronously)
* ZFCP_ERP_FAILED - action finished unsuccessfully
@@ -2865,9 +2865,9 @@ zfcp_erp_unit_strategy_close(struct zfcp_erp_action *erp_action)
}
/*
* function:
* function:
*
* purpose:
* purpose:
*
* returns: ZFCP_ERP_CONTINUES - action continues (asynchronously)
* ZFCP_ERP_FAILED - action finished unsuccessfully
@@ -2913,7 +2913,7 @@ void zfcp_erp_start_timer(struct zfcp_fsf_req *fsf_req)
}
/*
* function:
* function:
*
* purpose: enqueue the specified error recovery action, if needed
*
@@ -2992,7 +2992,7 @@ zfcp_erp_action_enqueue(int action,
port->erp_action.action);
debug_text_event(adapter->erp_dbf, 4,
"pf_actenq_drp");
} else
} else
debug_text_event(adapter->erp_dbf, 4,
"pf_actenq_drpcp");
debug_event(adapter->erp_dbf, 4, &port->wwpn,

38
drivers/s390/scsi/zfcp_ext.h
View File

@@ -1,22 +1,22 @@
/*
/*
* This file is part of the zfcp device driver for
* FCP adapters for IBM System z9 and zSeries.
*
* (C) Copyright IBM Corp. 2002, 2006
*
* 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.
*
* 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.
*/
#ifndef ZFCP_EXT_H
@@ -82,9 +82,11 @@ extern int zfcp_fsf_open_unit(struct zfcp_erp_action *);
extern int zfcp_fsf_close_unit(struct zfcp_erp_action *);
extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *,
struct zfcp_adapter *,
struct fsf_qtcb_bottom_port *);
extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *,
struct fsf_qtcb_bottom_config *);
extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *,
struct fsf_qtcb_bottom_port *);
extern int zfcp_fsf_control_file(struct zfcp_adapter *, struct zfcp_fsf_req **,
u32, u32, struct zfcp_sg_list *);
extern void zfcp_fsf_start_timer(struct zfcp_fsf_req *, unsigned long);

307
drivers/s390/scsi/zfcp_fsf.c
View File

@@ -80,10 +80,10 @@ static const char zfcp_act_subtable_type[5][8] = {
/*
* function: zfcp_fsf_req_alloc
*
* purpose: Obtains an fsf_req and potentially a qtcb (for all but
* purpose: Obtains an fsf_req and potentially a qtcb (for all but
* unsolicited requests) via helper functions
* Does some initial fsf request set-up.
*
*
* returns: pointer to allocated fsf_req if successfull
* NULL otherwise
*
@@ -192,7 +192,7 @@ void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *adapter)
* returns: 0 - success
* !0 - failure
*
* context:
* context:
*/
int
zfcp_fsf_req_complete(struct zfcp_fsf_req *fsf_req)
@@ -214,8 +214,8 @@ zfcp_fsf_req_complete(struct zfcp_fsf_req *fsf_req)
}
/*
* fsf_req may be deleted due to waking up functions, so
* cleanup is saved here and used later
* fsf_req may be deleted due to waking up functions, so
* cleanup is saved here and used later
*/
if (likely(fsf_req->status & ZFCP_STATUS_FSFREQ_CLEANUP))
cleanup = 1;
@@ -259,9 +259,9 @@ zfcp_fsf_req_complete(struct zfcp_fsf_req *fsf_req)
* and initiates appropriate actions
* (usually calling FSF command specific handlers)
*
* returns:
* returns:
*
* context:
* context:
*
* locks:
*/
@@ -638,7 +638,7 @@ zfcp_fsf_link_down_info_eval(struct zfcp_adapter *adapter,
*
* purpose: calls the appropriate command specific handler
*
* returns:
* returns:
*/
static int
zfcp_fsf_req_dispatch(struct zfcp_fsf_req *fsf_req)
@@ -854,7 +854,7 @@ zfcp_fsf_status_read_port_closed(struct zfcp_fsf_req *fsf_req)
*
* purpose: is called for finished Open Port command
*
* returns:
* returns:
*/
static int
zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req)
@@ -1088,7 +1088,7 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req)
* returns: address of initiated FSF request
* NULL - request could not be initiated
*
* FIXME(design): should be watched by a timeout !!!
* FIXME(design): should be watched by a timeout !!!
* FIXME(design) shouldn't this be modified to return an int
* also...don't know how though
*/
@@ -1157,7 +1157,7 @@ zfcp_fsf_abort_fcp_command(unsigned long old_req_id,
*
* purpose: is called for finished Abort FCP Command request
*
* returns:
* returns:
*/
static int
zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req)
@@ -1941,25 +1941,28 @@ zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
{
volatile struct qdio_buffer_element *sbale;
struct zfcp_fsf_req *fsf_req;
struct zfcp_adapter *adapter = erp_action->adapter;
unsigned long lock_flags;
int retval = 0;
int retval;
/* setup new FSF request */
retval = zfcp_fsf_req_create(erp_action->adapter,
retval = zfcp_fsf_req_create(adapter,
FSF_QTCB_EXCHANGE_CONFIG_DATA,
ZFCP_REQ_AUTO_CLEANUP,
erp_action->adapter->pool.fsf_req_erp,
adapter->pool.fsf_req_erp,
&lock_flags, &fsf_req);
if (retval < 0) {
if (retval) {
ZFCP_LOG_INFO("error: Could not create exchange configuration "
"data request for adapter %s.\n",
zfcp_get_busid_by_adapter(erp_action->adapter));
goto out;
zfcp_get_busid_by_adapter(adapter));
write_unlock_irqrestore(&adapter->request_queue.queue_lock,
lock_flags);
return retval;
}
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
fsf_req->qtcb->bottom.config.feature_selection =
FSF_FEATURE_CFDC |
@@ -1971,23 +1974,71 @@ zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
zfcp_erp_start_timer(fsf_req);
retval = zfcp_fsf_req_send(fsf_req);
write_unlock_irqrestore(&adapter->request_queue.queue_lock,
lock_flags);
if (retval) {
ZFCP_LOG_INFO
("error: Could not send exchange configuration data "
"command on the adapter %s\n",
zfcp_get_busid_by_adapter(erp_action->adapter));
ZFCP_LOG_INFO("error: Could not send exchange configuration "
"data command on the adapter %s\n",
zfcp_get_busid_by_adapter(adapter));
zfcp_fsf_req_free(fsf_req);
erp_action->fsf_req = NULL;
goto out;
}
else
ZFCP_LOG_DEBUG("exchange configuration data request initiated "
"(adapter %s)\n",
zfcp_get_busid_by_adapter(adapter));
return retval;
}
int
zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter,
struct fsf_qtcb_bottom_config *data)
{
volatile struct qdio_buffer_element *sbale;
struct zfcp_fsf_req *fsf_req;
unsigned long lock_flags;
int retval;
/* setup new FSF request */
retval = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_CONFIG_DATA,
0, NULL, &lock_flags, &fsf_req);
if (retval) {
ZFCP_LOG_INFO("error: Could not create exchange configuration "
"data request for adapter %s.\n",
zfcp_get_busid_by_adapter(adapter));
write_unlock_irqrestore(&adapter->request_queue.queue_lock,
lock_flags);
return retval;
}
ZFCP_LOG_DEBUG("exchange configuration data request initiated "
"(adapter %s)\n",
zfcp_get_busid_by_adapter(erp_action->adapter));
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
out:
write_unlock_irqrestore(&erp_action->adapter->request_queue.queue_lock,
fsf_req->qtcb->bottom.config.feature_selection =
FSF_FEATURE_CFDC |
FSF_FEATURE_LUN_SHARING |
FSF_FEATURE_NOTIFICATION_LOST |
FSF_FEATURE_UPDATE_ALERT;
if (data)
fsf_req->data = (unsigned long) data;
zfcp_fsf_start_timer(fsf_req, ZFCP_FSF_REQUEST_TIMEOUT);
retval = zfcp_fsf_req_send(fsf_req);
write_unlock_irqrestore(&adapter->request_queue.queue_lock,
lock_flags);
if (retval)
ZFCP_LOG_INFO("error: Could not send exchange configuration "
"data command on the adapter %s\n",
zfcp_get_busid_by_adapter(adapter));
else
wait_event(fsf_req->completion_wq,
fsf_req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
zfcp_fsf_req_free(fsf_req);
return retval;
}
@@ -2016,11 +2067,17 @@ zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *fsf_req, int xchg_ok)
adapter->peer_d_id = 0;
if (xchg_ok) {
if (fsf_req->data)
memcpy((struct fsf_qtcb_bottom_config *) fsf_req->data,
bottom, sizeof (struct fsf_qtcb_bottom_config));
fc_host_node_name(shost) = bottom->nport_serv_param.wwnn;
fc_host_port_name(shost) = bottom->nport_serv_param.wwpn;
fc_host_port_id(shost) = bottom->s_id & ZFCP_DID_MASK;
fc_host_speed(shost) = bottom->fc_link_speed;
fc_host_supported_classes(shost) = FC_COS_CLASS2 | FC_COS_CLASS3;
fc_host_supported_classes(shost) =
FC_COS_CLASS2 | FC_COS_CLASS3;
adapter->hydra_version = bottom->adapter_type;
if (fc_host_permanent_port_name(shost) == -1)
fc_host_permanent_port_name(shost) =
@@ -2053,7 +2110,8 @@ zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *fsf_req, int xchg_ok)
min(FC_SERIAL_NUMBER_SIZE, 17));
}
ZFCP_LOG_NORMAL("The adapter %s reported the following characteristics:\n"
ZFCP_LOG_NORMAL("The adapter %s reported the following "
"characteristics:\n"
"WWNN 0x%016Lx, "
"WWPN 0x%016Lx, "
"S_ID 0x%06x,\n"
@@ -2090,7 +2148,7 @@ zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *fsf_req, int xchg_ok)
return 0;
}
/*
/**
* function: zfcp_fsf_exchange_config_data_handler
*
* purpose: is called for finished Exchange Configuration Data command
@@ -2125,7 +2183,7 @@ zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *fsf_req)
adapter->peer_wwpn,
adapter->peer_d_id);
debug_text_event(fsf_req->adapter->erp_dbf, 0,
"top-p-to-p");
"top-p-to-p");
break;
case FC_PORTTYPE_NLPORT:
ZFCP_LOG_NORMAL("error: Arbitrated loop fibrechannel "
@@ -2138,8 +2196,8 @@ zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *fsf_req)
return -EIO;
case FC_PORTTYPE_NPORT:
ZFCP_LOG_NORMAL("Switched fabric fibrechannel "
"network detected at adapter %s.\n",
zfcp_get_busid_by_adapter(adapter));
"network detected at adapter %s.\n",
zfcp_get_busid_by_adapter(adapter));
break;
default:
ZFCP_LOG_NORMAL("bug: The fibrechannel topology "
@@ -2179,7 +2237,8 @@ zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *fsf_req)
if (zfcp_fsf_exchange_config_evaluate(fsf_req, 0))
return -EIO;
atomic_set_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK, &adapter->status);
atomic_set_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK,
&adapter->status);
zfcp_fsf_link_down_info_eval(adapter,
&qtcb->header.fsf_status_qual.link_down_info);
@@ -2187,7 +2246,7 @@ zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *fsf_req)
default:
debug_text_event(fsf_req->adapter->erp_dbf, 0, "fsf-stat-ng");
debug_event(fsf_req->adapter->erp_dbf, 0,
&fsf_req->qtcb->header.fsf_status, sizeof (u32));
&fsf_req->qtcb->header.fsf_status, sizeof(u32));
zfcp_erp_adapter_shutdown(adapter, 0);
return -EIO;
}
@@ -2197,34 +2256,91 @@ zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *fsf_req)
/**
* zfcp_fsf_exchange_port_data - request information about local port
* @erp_action: ERP action for the adapter for which port data is requested
* @adapter: for which port data is requested
* @data: response to exchange port data request
*/
int
zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action,
struct zfcp_adapter *adapter,
struct fsf_qtcb_bottom_port *data)
zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action)
{
volatile struct qdio_buffer_element *sbale;
struct zfcp_fsf_req *fsf_req;
struct zfcp_fsf_req *fsf_req;
struct zfcp_adapter *adapter = erp_action->adapter;
unsigned long lock_flags;
int retval = 0;
int retval;
if (!(adapter->adapter_features & FSF_FEATURE_HBAAPI_MANAGEMENT)) {
ZFCP_LOG_INFO("error: exchange port data "
"command not supported by adapter %s\n",
"command not supported by adapter %s\n",
zfcp_get_busid_by_adapter(adapter));
return -EOPNOTSUPP;
}
return -EOPNOTSUPP;
}
/* setup new FSF request */
retval = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_PORT_DATA,
erp_action ? ZFCP_REQ_AUTO_CLEANUP : 0,
NULL, &lock_flags, &fsf_req);
if (retval < 0) {
ZFCP_REQ_AUTO_CLEANUP,
adapter->pool.fsf_req_erp,
&lock_flags, &fsf_req);
if (retval) {
ZFCP_LOG_INFO("error: Out of resources. Could not create an "
"exchange port data request for"
"the adapter %s.\n",
"exchange port data request for"
"the adapter %s.\n",
zfcp_get_busid_by_adapter(adapter));
write_unlock_irqrestore(&adapter->request_queue.queue_lock,
lock_flags);
return retval;
}
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
erp_action->fsf_req = fsf_req;
fsf_req->erp_action = erp_action;
zfcp_erp_start_timer(fsf_req);
retval = zfcp_fsf_req_send(fsf_req);
write_unlock_irqrestore(&adapter->request_queue.queue_lock, lock_flags);
if (retval) {
ZFCP_LOG_INFO("error: Could not send an exchange port data "
"command on the adapter %s\n",
zfcp_get_busid_by_adapter(adapter));
zfcp_fsf_req_free(fsf_req);
erp_action->fsf_req = NULL;
}
else
ZFCP_LOG_DEBUG("exchange port data request initiated "
"(adapter %s)\n",
zfcp_get_busid_by_adapter(adapter));
return retval;
}
/**
* zfcp_fsf_exchange_port_data_sync - request information about local port
* and wait until information is ready
*/
int
zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *adapter,
struct fsf_qtcb_bottom_port *data)
{
volatile struct qdio_buffer_element *sbale;
struct zfcp_fsf_req *fsf_req;
unsigned long lock_flags;
int retval;
if (!(adapter->adapter_features & FSF_FEATURE_HBAAPI_MANAGEMENT)) {
ZFCP_LOG_INFO("error: exchange port data "
"command not supported by adapter %s\n",
zfcp_get_busid_by_adapter(adapter));
return -EOPNOTSUPP;
}
/* setup new FSF request */
retval = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_PORT_DATA,
0, NULL, &lock_flags, &fsf_req);
if (retval) {
ZFCP_LOG_INFO("error: Out of resources. Could not create an "
"exchange port data request for"
"the adapter %s.\n",
zfcp_get_busid_by_adapter(adapter));
write_unlock_irqrestore(&adapter->request_queue.queue_lock,
lock_flags);
@@ -2235,36 +2351,23 @@ zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action,
fsf_req->data = (unsigned long) data;
sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
if (erp_action) {
erp_action->fsf_req = fsf_req;
fsf_req->erp_action = erp_action;
zfcp_erp_start_timer(fsf_req);
} else
zfcp_fsf_start_timer(fsf_req, ZFCP_FSF_REQUEST_TIMEOUT);
sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
zfcp_fsf_start_timer(fsf_req, ZFCP_FSF_REQUEST_TIMEOUT);
retval = zfcp_fsf_req_send(fsf_req);
if (retval) {
ZFCP_LOG_INFO("error: Could not send an exchange port data "
"command on the adapter %s\n",
zfcp_get_busid_by_adapter(adapter));
zfcp_fsf_req_free(fsf_req);
if (erp_action)
erp_action->fsf_req = NULL;
write_unlock_irqrestore(&adapter->request_queue.queue_lock,
lock_flags);
return retval;
}
write_unlock_irqrestore(&adapter->request_queue.queue_lock, lock_flags);
if (!erp_action) {
if (retval)
ZFCP_LOG_INFO("error: Could not send an exchange port data "
"command on the adapter %s\n",
zfcp_get_busid_by_adapter(adapter));
else
wait_event(fsf_req->completion_wq,
fsf_req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
zfcp_fsf_req_free(fsf_req);
}
zfcp_fsf_req_free(fsf_req);
return retval;
}
@@ -2277,18 +2380,16 @@ static void
zfcp_fsf_exchange_port_evaluate(struct zfcp_fsf_req *fsf_req, int xchg_ok)
{
struct zfcp_adapter *adapter;
struct fsf_qtcb *qtcb;
struct fsf_qtcb_bottom_port *bottom, *data;
struct fsf_qtcb_bottom_port *bottom;
struct Scsi_Host *shost;
adapter = fsf_req->adapter;
qtcb = fsf_req->qtcb;
bottom = &qtcb->bottom.port;
bottom = &fsf_req->qtcb->bottom.port;
shost = adapter->scsi_host;
data = (struct fsf_qtcb_bottom_port*) fsf_req->data;
if (data)
memcpy(data, bottom, sizeof(struct fsf_qtcb_bottom_port));
if (fsf_req->data)
memcpy((struct fsf_qtcb_bottom_port*) fsf_req->data, bottom,
sizeof(struct fsf_qtcb_bottom_port));
if (adapter->connection_features & FSF_FEATURE_NPIV_MODE)
fc_host_permanent_port_name(shost) = bottom->wwpn;
@@ -2336,10 +2437,10 @@ zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *fsf_req)
/*
* function: zfcp_fsf_open_port
*
* purpose:
* purpose:
*
* returns: address of initiated FSF request
* NULL - request could not be initiated
* NULL - request could not be initiated
*/
int
zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
@@ -2400,7 +2501,7 @@ zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
*
* purpose: is called for finished Open Port command
*
* returns:
* returns:
*/
static int
zfcp_fsf_open_port_handler(struct zfcp_fsf_req *fsf_req)
@@ -3002,7 +3103,7 @@ zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action)
*
* purpose: is called for finished Open LUN command
*
* returns:
* returns:
*/
static int
zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req)
@@ -3265,7 +3366,7 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req)
* purpose:
*
* returns: address of fsf_req - request successfully initiated
* NULL -
* NULL -
*
* assumptions: This routine does not check whether the associated
* remote port/lun has already been opened. This should be
@@ -3586,17 +3687,17 @@ zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *adapter,
ZFCP_LOG_DEBUG(
"Data did not fit into available buffer(s), "
"waiting for more...\n");
retval = -EIO;
} else {
ZFCP_LOG_NORMAL("error: No truncation implemented but "
"required. Shutting down unit "
"(adapter %s, port 0x%016Lx, "
"unit 0x%016Lx)\n",
zfcp_get_busid_by_unit(unit),
unit->port->wwpn,
unit->fcp_lun);
zfcp_erp_unit_shutdown(unit, 0);
retval = -EINVAL;
retval = -EIO;
} else {
ZFCP_LOG_NORMAL("error: No truncation implemented but "
"required. Shutting down unit "
"(adapter %s, port 0x%016Lx, "
"unit 0x%016Lx)\n",
zfcp_get_busid_by_unit(unit),
unit->port->wwpn,
unit->fcp_lun);
zfcp_erp_unit_shutdown(unit, 0);
retval = -EINVAL;
}
goto no_fit;
}
@@ -3727,7 +3828,7 @@ zfcp_fsf_send_fcp_command_task_management(struct zfcp_adapter *adapter,
*
* purpose: is called for finished Send FCP Command
*
* returns:
* returns:
*/
static int
zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req)
@@ -3964,7 +4065,7 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req)
*
* purpose: evaluates FCP_RSP IU
*
* returns:
* returns:
*/
static int
zfcp_fsf_send_fcp_command_task_handler(struct zfcp_fsf_req *fsf_req)
@@ -4192,7 +4293,7 @@ zfcp_fsf_send_fcp_command_task_handler(struct zfcp_fsf_req *fsf_req)
*
* purpose: evaluates FCP_RSP IU
*
* returns:
* returns:
*/
static int
zfcp_fsf_send_fcp_command_task_management_handler(struct zfcp_fsf_req *fsf_req)
@@ -4635,7 +4736,7 @@ zfcp_fsf_req_create(struct zfcp_adapter *adapter, u32 fsf_cmd, int req_flags,
INIT_LIST_HEAD(&fsf_req->list);
init_timer(&fsf_req->timer);
/* initialize waitqueue which may be used to wait on
/* initialize waitqueue which may be used to wait on
this request completion */
init_waitqueue_head(&fsf_req->completion_wq);

30
drivers/s390/scsi/zfcp_fsf.h
View File

@@ -1,22 +1,22 @@
/*
/*
* This file is part of the zfcp device driver for
* FCP adapters for IBM System z9 and zSeries.
*
* (C) Copyright IBM Corp. 2002, 2006
*
* 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.
*
* 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.
*/
#ifndef FSF_H

7
drivers/s390/scsi/zfcp_qdio.c
View File

@@ -174,10 +174,9 @@ zfcp_qdio_handler_error_check(struct zfcp_adapter *adapter, unsigned int status,
* That is why we need to clear the link-down flag
* which is set again in case we have missed by a mile.
*/
zfcp_erp_adapter_reopen(
adapter,
ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED |
ZFCP_STATUS_COMMON_ERP_FAILED);
zfcp_erp_adapter_reopen(adapter,
ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED |
ZFCP_STATUS_COMMON_ERP_FAILED);
}
return retval;
}

47
drivers/s390/scsi/zfcp_scsi.c
View File

@@ -1,22 +1,22 @@
/*
/*
* This file is part of the zfcp device driver for
* FCP adapters for IBM System z9 and zSeries.
*
* (C) Copyright IBM Corp. 2002, 2006
*
* 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.
*
* 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.
*/
#define ZFCP_LOG_AREA ZFCP_LOG_AREA_SCSI
@@ -101,7 +101,7 @@ zfcp_get_fcp_dl_ptr(struct fcp_cmnd_iu * fcp_cmd)
((unsigned char *) fcp_cmd +
sizeof (struct fcp_cmnd_iu) + additional_length);
/*
* fcp_dl_addr = start address of fcp_cmnd structure +
* fcp_dl_addr = start address of fcp_cmnd structure +
* size of fixed part + size of dynamically sized add_dcp_cdb field
* SEE FCP-2 documentation
*/
@@ -189,13 +189,12 @@ static void zfcp_scsi_slave_destroy(struct scsi_device *sdpnt)
unit->device = NULL;
zfcp_erp_unit_failed(unit);
zfcp_unit_put(unit);
} else {
} else
ZFCP_LOG_NORMAL("bug: no unit associated with SCSI device at "
"address %p\n", sdpnt);
}
}
/*
/*
* called from scsi midlayer to allow finetuning of a device.
*/
static int
@@ -361,12 +360,11 @@ zfcp_unit_lookup(struct zfcp_adapter *adapter, int channel, unsigned int id,
list_for_each_entry(port, &adapter->port_list_head, list) {
if (!port->rport || (id != port->rport->scsi_target_id))
continue;
list_for_each_entry(unit, &port->unit_list_head, list) {
list_for_each_entry(unit, &port->unit_list_head, list)
if (lun == unit->scsi_lun) {
retval = unit;
goto out;
}
}
}
out:
return retval;
@@ -374,7 +372,7 @@ zfcp_unit_lookup(struct zfcp_adapter *adapter, int channel, unsigned int id,
/**
* zfcp_scsi_eh_abort_handler - abort the specified SCSI command
* @scpnt: pointer to scsi_cmnd to be aborted
* @scpnt: pointer to scsi_cmnd to be aborted
* Return: SUCCESS - command has been aborted and cleaned up in internal
* bookkeeping, SCSI stack won't be called for aborted command
* FAILED - otherwise
@@ -733,7 +731,7 @@ zfcp_get_fc_host_stats(struct Scsi_Host *shost)
if (!data)
return NULL;
ret = zfcp_fsf_exchange_port_data(NULL, adapter, data);
ret = zfcp_fsf_exchange_port_data_sync(adapter, data);
if (ret) {
kfree(data);
return NULL; /* XXX return zeroed fc_stats? */
@@ -763,7 +761,7 @@ zfcp_reset_fc_host_stats(struct Scsi_Host *shost)
if (!data)
return;
ret = zfcp_fsf_exchange_port_data(NULL, adapter, data);
ret = zfcp_fsf_exchange_port_data_sync(adapter, data);
if (ret) {
kfree(data);
} else {
@@ -802,6 +800,7 @@ struct fc_function_template zfcp_transport_functions = {
.show_host_port_type = 1,
.show_host_speed = 1,
.show_host_port_id = 1,
.disable_target_scan = 1,
};
/**

4
drivers/s390/scsi/zfcp_sysfs_unit.c
View File

@@ -139,7 +139,7 @@ static struct attribute_group zfcp_unit_attr_group = {
.attrs = zfcp_unit_attrs,
};
/**
/**
* zfcp_sysfs_create_unit_files - create sysfs unit files
* @dev: pointer to belonging device
*
@@ -151,7 +151,7 @@ zfcp_sysfs_unit_create_files(struct device *dev)
return sysfs_create_group(&dev->kobj, &zfcp_unit_attr_group);
}
/**
/**
* zfcp_sysfs_remove_unit_files - remove sysfs unit files
* @dev: pointer to belonging device
*