diff options
Diffstat (limited to 'drivers/s390/scsi')
| -rw-r--r-- | drivers/s390/scsi/zfcp_aux.c | 13 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_ccw.c | 8 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_def.h | 46 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_erp.c | 140 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_ext.h | 38 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_fsf.c | 293 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_fsf.h | 30 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_qdio.c | 7 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_scsi.c | 47 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_sysfs_unit.c | 4 |
10 files changed, 364 insertions, 262 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 90aa53f..7507067 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -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); diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c index c0d1c0e..e01cbf1 100644 --- a/drivers/s390/scsi/zfcp_ccw.c +++ b/drivers/s390/scsi/zfcp_ccw.c @@ -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; } diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index b36dfc4..16e5563 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -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 diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 16b4418..a6475a2b 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -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, diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index 991d456..8534cf0 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -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); diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 9929997..ff866eb 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -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)); - ZFCP_LOG_DEBUG("exchange configuration data request initiated " - "(adapter %s)\n", - zfcp_get_busid_by_adapter(erp_action->adapter)); + return retval; +} - out: - write_unlock_irqrestore(&erp_action->adapter->request_queue.queue_lock, +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; + } + + 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; + + 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; } @@ -2197,74 +2256,118 @@ 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; } - if (data) - 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; + 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); + 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", + "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; + 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); return retval; } + if (data) + 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; + + 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 (!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); diff --git a/drivers/s390/scsi/zfcp_fsf.h b/drivers/s390/scsi/zfcp_fsf.h index 7118661..8cce5cc 100644 --- a/drivers/s390/scsi/zfcp_fsf.h +++ b/drivers/s390/scsi/zfcp_fsf.h @@ -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 diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index c6899ef..3f105fd 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c @@ -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; } diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index ad7eb4a..abae202 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -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, }; /** diff --git a/drivers/s390/scsi/zfcp_sysfs_unit.c b/drivers/s390/scsi/zfcp_sysfs_unit.c index 81a4841..63f75ee 100644 --- a/drivers/s390/scsi/zfcp_sysfs_unit.c +++ b/drivers/s390/scsi/zfcp_sysfs_unit.c @@ -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 * |
