diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-05-02 16:36:34 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-05-02 16:36:34 -0700 |
| commit | 61bd1e858db743af64f6e363c526f7e433d12e0c (patch) | |
| tree | a9213c472c1458e9e7686f9d9fa1c4ed1362e3f3 /drivers | |
| parent | 8c0c3f7ff0daa119f0bb109148f6f0e39573b429 (diff) | |
| parent | e9da4d7f731dafc2b93ce7b31aa09c4d935ef978 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: (53 commits)
[SCSI] libosd: OSD2r05: on-the-wire changes for latest OSD2 revision 5.
[SCSI] libosd: OSD2r05: OSD_CRYPTO_KEYID_SIZE will grow 20 => 32 bytes
[SCSI] libosd: OSD2r05: Prepare for rev5 attribute list changes
[SCSI] libosd: fix potential ERR_PTR dereference in osd_initiator.c
[SCSI] mpt2sas : bump driver version to 01.100.02.00
[SCSI] mpt2sas: fix hotplug event processing
[SCSI] mpt2sas : release diagnotic buffers prior host reset
[SCSI] mpt2sas : Broadcast Primative AEN bug fix
[SCSI] mpt2sas : Identify Dell series-7 adapters at driver load time
[SCSI] mpt2sas : driver name needs to be in the MPT2IOCINFO ioctl
[SCSI] mpt2sas : running out of message frames
[SCSI] mpt2sas : fix oops when firmware sends large sense buffer size
[SCSI] mpt2sas : the sanity check in base_interrupt needs to be on dword boundary
[SCSI] mpt2sas : unique ioctl magic number
[SCSI] fix sign extension with 1.5TB usb-storage LBD=y
[SCSI] ipr: Fix sleeping function called with interrupts disabled
[SCSI] fcoe: fip: add multicast filter to receive FIP advertisements.
[SCSI] libfc: Fix compilation warnings with allmodconfig
[SCSI] fcoe: fix spelling typos and bad comments
[SCSI] fcoe: don't export functions that are internal to fcoe
...
Diffstat (limited to 'drivers')
53 files changed, 1541 insertions, 1087 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index 13d7674b293d..75223f50de58 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -599,6 +599,7 @@ static struct scsi_host_template iscsi_iser_sht = { .eh_abort_handler = iscsi_eh_abort, .eh_device_reset_handler= iscsi_eh_device_reset, .eh_target_reset_handler= iscsi_eh_target_reset, + .target_alloc = iscsi_target_alloc, .use_clustering = DISABLE_CLUSTERING, .proc_name = "iscsi_iser", .this_id = -1, diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 616c60ffcf2c..3ac27ee47396 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -97,9 +97,7 @@ static void __init zfcp_init_device_configure(char *busid, u64 wwpn, u64 lun) ccw_device_set_online(adapter->ccw_device); zfcp_erp_wait(adapter); - wait_event(adapter->erp_done_wqh, - !(atomic_read(&unit->status) & - ZFCP_STATUS_UNIT_SCSI_WORK_PENDING)); + flush_work(&unit->scsi_work); down(&zfcp_data.config_sema); zfcp_unit_put(unit); @@ -279,6 +277,7 @@ struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *port, u64 fcp_lun) atomic_set(&unit->refcount, 0); init_waitqueue_head(&unit->remove_wq); + INIT_WORK(&unit->scsi_work, zfcp_scsi_scan); unit->port = port; unit->fcp_lun = fcp_lun; @@ -525,6 +524,8 @@ int zfcp_adapter_enqueue(struct ccw_device *ccw_device) atomic_clear_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status); + zfcp_fc_nameserver_init(adapter); + if (!zfcp_adapter_scsi_register(adapter)) return 0; @@ -553,7 +554,6 @@ void zfcp_adapter_dequeue(struct zfcp_adapter *adapter) cancel_work_sync(&adapter->scan_work); cancel_work_sync(&adapter->stat_work); - cancel_delayed_work_sync(&adapter->nsp.work); zfcp_adapter_scsi_unregister(adapter); sysfs_remove_group(&adapter->ccw_device->dev.kobj, &zfcp_sysfs_adapter_attrs); @@ -671,8 +671,7 @@ void zfcp_port_dequeue(struct zfcp_port *port) list_del(&port->list); write_unlock_irq(&zfcp_data.config_lock); if (port->rport) - fc_remote_port_delete(port->rport); - port->rport = NULL; + port->rport->dd_data = NULL; zfcp_adapter_put(port->adapter); sysfs_remove_group(&port->sysfs_device.kobj, &zfcp_sysfs_port_attrs); device_unregister(&port->sysfs_device); diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c index cfb0dcb6e3ff..733fe3bf6285 100644 --- a/drivers/s390/scsi/zfcp_ccw.c +++ b/drivers/s390/scsi/zfcp_ccw.c @@ -108,7 +108,6 @@ static int zfcp_ccw_set_online(struct ccw_device *ccw_device) /* initialize request counter */ BUG_ON(!zfcp_reqlist_isempty(adapter)); adapter->req_no = 0; - zfcp_fc_nameserver_init(adapter); zfcp_erp_modify_adapter_status(adapter, "ccsonl1", NULL, ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET); diff --git a/drivers/s390/scsi/zfcp_cfdc.c b/drivers/s390/scsi/zfcp_cfdc.c index 10cbfd172a28..8305c874e86f 100644 --- a/drivers/s390/scsi/zfcp_cfdc.c +++ b/drivers/s390/scsi/zfcp_cfdc.c @@ -4,7 +4,7 @@ * Userspace interface for accessing the * Access Control Lists / Control File Data Channel * - * Copyright IBM Corporation 2008 + * Copyright IBM Corporation 2008, 2009 */ #define KMSG_COMPONENT "zfcp" @@ -197,6 +197,7 @@ static long zfcp_cfdc_dev_ioctl(struct file *file, unsigned int command, retval = -ENXIO; goto free_buffer; } + zfcp_adapter_get(adapter); retval = zfcp_cfdc_sg_setup(data->command, fsf_cfdc->sg, data_user->control_file); diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index a0318630f047..4c362a9069f0 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -255,7 +255,6 @@ enum zfcp_wka_status { /* logical unit status */ #define ZFCP_STATUS_UNIT_SHARED 0x00000004 #define ZFCP_STATUS_UNIT_READONLY 0x00000008 -#define ZFCP_STATUS_UNIT_SCSI_WORK_PENDING 0x00000020 /* FSF request status (this does not have a common part) */ #define ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT 0x00000002 @@ -530,6 +529,7 @@ struct zfcp_unit { struct zfcp_erp_action erp_action; /* pending error recovery */ atomic_t erp_counter; struct zfcp_latencies latencies; + struct work_struct scsi_work; }; /* FSF request */ diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 631bdb1dfd6c..fdc9b4352a64 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -719,6 +719,7 @@ static void zfcp_erp_adapter_strategy_close(struct zfcp_erp_action *act) zfcp_qdio_close(adapter); zfcp_fsf_req_dismiss_all(adapter); adapter->fsf_req_seq_no = 0; + zfcp_fc_wka_port_force_offline(&adapter->nsp); /* all ports and units are closed */ zfcp_erp_modify_adapter_status(adapter, "erascl1", NULL, ZFCP_STATUS_COMMON_OPEN, ZFCP_CLEAR); @@ -1176,48 +1177,6 @@ static void zfcp_erp_action_dequeue(struct zfcp_erp_action *erp_action) } } -struct zfcp_erp_add_work { - struct zfcp_unit *unit; - struct work_struct work; -}; - -static void zfcp_erp_scsi_scan(struct work_struct *work) -{ - struct zfcp_erp_add_work *p = - container_of(work, struct zfcp_erp_add_work, work); - struct zfcp_unit *unit = p->unit; - struct fc_rport *rport = unit->port->rport; - - if (rport && rport->port_state == FC_PORTSTATE_ONLINE) - scsi_scan_target(&rport->dev, 0, rport->scsi_target_id, - scsilun_to_int((struct scsi_lun *)&unit->fcp_lun), 0); - atomic_clear_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, &unit->status); - zfcp_unit_put(unit); - wake_up(&unit->port->adapter->erp_done_wqh); - kfree(p); -} - -static void zfcp_erp_schedule_work(struct zfcp_unit *unit) -{ - struct zfcp_erp_add_work *p; - - p = kzalloc(sizeof(*p), GFP_KERNEL); - if (!p) { - dev_err(&unit->port->adapter->ccw_device->dev, - "Registering unit 0x%016Lx on port 0x%016Lx failed\n", - (unsigned long long)unit->fcp_lun, - (unsigned long long)unit->port->wwpn); - return; - } - - zfcp_unit_get(unit); - atomic_set_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, &unit->status); - INIT_WORK(&p->work, zfcp_erp_scsi_scan); - p->unit = unit; - if (!queue_work(zfcp_data.work_queue, &p->work)) - zfcp_unit_put(unit); -} - static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result) { struct zfcp_adapter *adapter = act->adapter; @@ -1226,11 +1185,11 @@ static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result) switch (act->action) { case ZFCP_ERP_ACTION_REOPEN_UNIT: - flush_work(&port->rport_work); if ((result == ZFCP_ERP_SUCCEEDED) && !unit->device) { - if (!(atomic_read(&unit->status) & - ZFCP_STATUS_UNIT_SCSI_WORK_PENDING)) - zfcp_erp_schedule_work(unit); + zfcp_unit_get(unit); + if (scsi_queue_work(unit->port->adapter->scsi_host, + &unit->scsi_work) <= 0) + zfcp_unit_put(unit); } zfcp_unit_put(unit); break; @@ -1352,6 +1311,11 @@ static int zfcp_erp_thread(void *data) while (!(atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_ERP_THREAD_KILL)) { + + zfcp_rec_dbf_event_thread_lock("erthrd1", adapter); + ignore = down_interruptible(&adapter->erp_ready_sem); + zfcp_rec_dbf_event_thread_lock("erthrd2", adapter); + write_lock_irqsave(&adapter->erp_lock, flags); next = adapter->erp_ready_head.next; write_unlock_irqrestore(&adapter->erp_lock, flags); @@ -1363,10 +1327,6 @@ static int zfcp_erp_thread(void *data) if (zfcp_erp_strategy(act) != ZFCP_ERP_DISMISSED) zfcp_erp_wakeup(adapter); } - - zfcp_rec_dbf_event_thread_lock("erthrd1", adapter); - ignore = down_interruptible(&adapter->erp_ready_sem); - zfcp_rec_dbf_event_thread_lock("erthrd2", adapter); } atomic_clear_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP, &adapter->status); diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index f6399ca97bcb..2e31b536548c 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -106,6 +106,7 @@ extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *); extern void zfcp_test_link(struct zfcp_port *); extern void zfcp_fc_link_test_work(struct work_struct *); extern void zfcp_fc_nameserver_init(struct zfcp_adapter *); +extern void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *); /* zfcp_fsf.c */ extern int zfcp_fsf_open_port(struct zfcp_erp_action *); @@ -158,6 +159,7 @@ extern void zfcp_scsi_rport_work(struct work_struct *); extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *); extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *); extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *); +extern void zfcp_scsi_scan(struct work_struct *); /* zfcp_sysfs.c */ extern struct attribute_group zfcp_sysfs_unit_attrs; diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index e8d032b9dfbd..19ae0842047c 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -98,13 +98,6 @@ static void zfcp_wka_port_offline(struct work_struct *work) struct zfcp_wka_port *wka_port = container_of(dw, struct zfcp_wka_port, work); - /* Don't wait forvever. If the wka_port is too busy take it offline - through a new call later */ - if (!wait_event_timeout(wka_port->completion_wq, - atomic_read(&wka_port->refcount) == 0, - HZ >> 1)) - return; - mutex_lock(&wka_port->mutex); if ((atomic_read(&wka_port->refcount) != 0) || (wka_port->status != ZFCP_WKA_PORT_ONLINE)) @@ -142,6 +135,14 @@ void zfcp_fc_nameserver_init(struct zfcp_adapter *adapter) INIT_DELAYED_WORK(&wka_port->work, zfcp_wka_port_offline); } +void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *wka) +{ + cancel_delayed_work_sync(&wka->work); + mutex_lock(&wka->mutex); + wka->status = ZFCP_WKA_PORT_OFFLINE; + mutex_unlock(&wka->mutex); +} + static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range, struct fcp_rscn_element *elem) { @@ -372,7 +373,8 @@ static void zfcp_fc_adisc_handler(unsigned long data) if (adisc->els.status) { /* request rejected or timed out */ - zfcp_erp_port_forced_reopen(port, 0, "fcadh_1", NULL); + zfcp_erp_port_forced_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED, + "fcadh_1", NULL); goto out; } @@ -431,11 +433,6 @@ void zfcp_fc_link_test_work(struct work_struct *work) container_of(work, struct zfcp_port, test_link_work); int retval; - if (!(atomic_read(&port->status) & ZFCP_STATUS_COMMON_UNBLOCKED)) { - zfcp_port_put(port); - return; /* port erp is running and will update rport status */ - } - zfcp_port_get(port); port->rport_task = RPORT_DEL; zfcp_scsi_rport_work(&port->rport_work); @@ -542,6 +539,9 @@ static void zfcp_validate_port(struct zfcp_port *port) { struct zfcp_adapter *adapter = port->adapter; + if (!(atomic_read(&port->status) & ZFCP_STATUS_COMMON_NOESC)) + return; + atomic_clear_mask(ZFCP_STATUS_COMMON_NOESC, &port->status); if ((port->supported_classes != 0) || @@ -602,10 +602,8 @@ static int zfcp_scan_eval_gpn_ft(struct zfcp_gpn_ft *gpn_ft, int max_entries) if (acc->wwpn == fc_host_port_name(adapter->scsi_host)) continue; port = zfcp_get_port_by_wwpn(adapter, acc->wwpn); - if (port) { - zfcp_port_get(port); + if (port) continue; - } port = zfcp_port_enqueue(adapter, acc->wwpn, ZFCP_STATUS_COMMON_NOESC, d_id); @@ -637,7 +635,8 @@ int zfcp_scan_ports(struct zfcp_adapter *adapter) max_entries = chain ? ZFCP_GPN_FT_MAX_ENTRIES : ZFCP_GPN_FT_ENTRIES; max_bytes = chain ? ZFCP_GPN_FT_MAX_SIZE : ZFCP_CT_SIZE_ONE_PAGE; - if (fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPORT) + if (fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPORT && + fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPIV) return 0; ret = zfcp_wka_port_get(&adapter->nsp); diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index b29f3121b666..74dee32afba8 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -172,12 +172,16 @@ static void zfcp_fsf_link_down_info_eval(struct zfcp_fsf_req *req, char *id, struct fsf_link_down_info *link_down) { struct zfcp_adapter *adapter = req->adapter; + unsigned long flags; if (atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED) return; atomic_set_mask(ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED, &adapter->status); + + read_lock_irqsave(&zfcp_data.config_lock, flags); zfcp_scsi_schedule_rports_block(adapter); + read_unlock_irqrestore(&zfcp_data.config_lock, flags); if (!link_down) goto out; @@ -645,30 +649,30 @@ static void zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *req) } } -static int zfcp_fsf_req_sbal_get(struct zfcp_adapter *adapter) - __releases(&adapter->req_q_lock) - __acquires(&adapter->req_q_lock) +static int zfcp_fsf_sbal_check(struct zfcp_adapter *adapter) { struct zfcp_qdio_queue *req_q = &adapter->req_q; - long ret; - if (atomic_read(&req_q->count) <= -REQUEST_LIST_SIZE) - return -EIO; - if (atomic_read(&req_q->count) > 0) - return 0; + spin_lock_bh(&adapter->req_q_lock); + if (atomic_read(&req_q->count)) + return 1; + spin_unlock_bh(&adapter->req_q_lock); + return 0; +} + +static int zfcp_fsf_req_sbal_get(struct zfcp_adapter *adapter) +{ + long ret; - atomic_dec(&req_q->count); spin_unlock_bh(&adapter->req_q_lock); ret = wait_event_interruptible_timeout(adapter->request_wq, - atomic_read(&req_q->count) >= 0, - 5 * HZ); - spin_lock_bh(&adapter->req_q_lock); - atomic_inc(&req_q->count); - + zfcp_fsf_sbal_check(adapter), 5 * HZ); if (ret > 0) return 0; if (!ret) atomic_inc(&adapter->qdio_outb_full); + + spin_lock_bh(&adapter->req_q_lock); return -EIO; } @@ -766,8 +770,9 @@ static struct zfcp_fsf_req *zfcp_fsf_req_create(struct zfcp_adapter *adapter, static int zfcp_fsf_req_send(struct zfcp_fsf_req *req) { struct zfcp_adapter *adapter = req->adapter; - unsigned long flags; - int idx; + unsigned long flags; + int idx; + int with_qtcb = (req->qtcb != NULL); /* put allocated FSF request into hash table */ spin_lock_irqsave(&adapter->req_list_lock, flags); @@ -789,7 +794,7 @@ static int zfcp_fsf_req_send(struct zfcp_fsf_req *req) } /* Don't increase for unsolicited status */ - if (req->qtcb) + if (with_qtcb) adapter->fsf_req_seq_no++; adapter->req_no++; @@ -1253,13 +1258,13 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter, spin_lock_bh(&adapter->req_q_lock); if (zfcp_fsf_req_sbal_get(adapter)) - goto out; + goto out_unlock; req = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_CONFIG_DATA, 0, NULL); if (IS_ERR(req)) { retval = PTR_ERR(req); - goto out; + goto out_unlock; } sbale = zfcp_qdio_sbale_req(req); @@ -1278,14 +1283,16 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter, zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT); retval = zfcp_fsf_req_send(req); -out: spin_unlock_bh(&adapter->req_q_lock); if (!retval) wait_event(req->completion_wq, req->status & ZFCP_STATUS_FSFREQ_COMPLETED); zfcp_fsf_req_free(req); + return retval; +out_unlock: + spin_unlock_bh(&adapter->req_q_lock); return retval; } @@ -1352,13 +1359,13 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *adapter, spin_lock_bh(&adapter->req_q_lock); if (zfcp_fsf_req_sbal_get(adapter)) - goto out; + goto out_unlock; req = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_PORT_DATA, 0, NULL); if (IS_ERR(req)) { retval = PTR_ERR(req); - goto out; + goto out_unlock; } if (data) @@ -1371,14 +1378,18 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *adapter, req->handler = zfcp_fsf_exchange_port_data_handler; zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT); retval = zfcp_fsf_req_send(req); -out: spin_unlock_bh(&adapter->req_q_lock); + if (!retval) wait_event(req->completion_wq, req->status & ZFCP_STATUS_FSFREQ_COMPLETED); zfcp_fsf_req_free(req); return retval; + +out_unlock: + spin_unlock_bh(&adapter->req_q_lock); + return retval; } static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req) @@ -2472,8 +2483,6 @@ out: static void zfcp_fsf_control_file_handler(struct zfcp_fsf_req *req) { - if (req->qtcb->header.fsf_status != FSF_GOOD) - req->status |= ZFCP_STATUS_FSFREQ_ERROR; } /** diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 58201e1ae478..e8fbeaeb5fbf 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -171,7 +171,7 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) write_unlock_irqrestore(&adapter->abort_lock, flags); zfcp_scsi_dbf_event_abort("lte1", adapter, scpnt, NULL, old_req_id); - return SUCCESS; + return FAILED; /* completion could be in progress */ } old_req->data = NULL; @@ -486,10 +486,12 @@ static void zfcp_set_rport_dev_loss_tmo(struct fc_rport *rport, u32 timeout) */ static void zfcp_scsi_dev_loss_tmo_callbk(struct fc_rport *rport) { - struct zfcp_port *port = rport->dd_data; + struct zfcp_port *port; write_lock_irq(&zfcp_data.config_lock); - port->rport = NULL; + port = rport->dd_data; + if (port) + port->rport = NULL; write_unlock_irq(&zfcp_data.config_lock); } @@ -503,9 +505,18 @@ static void zfcp_scsi_dev_loss_tmo_callbk(struct fc_rport *rport) */ static void zfcp_scsi_terminate_rport_io(struct fc_rport *rport) { - struct zfcp_port *port = rport->dd_data; + struct zfcp_port *port; + + write_lock_irq(&zfcp_data.config_lock); + port = rport->dd_data; + if (port) + zfcp_port_get(port); + write_unlock_irq(&zfcp_data.config_lock); - zfcp_erp_port_reopen(port, 0, "sctrpi1", NULL); + if (port) { + zfcp_erp_port_reopen(port, 0, "sctrpi1", NULL); + zfcp_port_put(port); + } } static void zfcp_scsi_rport_register(struct zfcp_port *port) @@ -534,8 +545,10 @@ static void zfcp_scsi_rport_register(struct zfcp_port *port) static void zfcp_scsi_rport_block(struct zfcp_port *port) { - if (port->rport) - fc_remote_port_delete(port->rport); + struct fc_rport *rport = port->rport; + + if (rport) + fc_remote_port_delete(rport); } void zfcp_scsi_schedule_rport_register(struct zfcp_port *port) @@ -583,6 +596,23 @@ void zfcp_scsi_rport_work(struct work_struct *work) } +void zfcp_scsi_scan(struct work_struct *work) +{ + struct zfcp_unit *unit = container_of(work, struct zfcp_unit, + scsi_work); + struct fc_rport *rport; + + flush_work(&unit->port->rport_work); + rport = unit->port->rport; + + if (rport && rport->port_state == FC_PORTSTATE_ONLINE) + scsi_scan_target(&rport->dev, 0, rport->scsi_target_id, + scsilun_to_int((struct scsi_lun *) + &unit->fcp_lun), 0); + + zfcp_unit_put(unit); +} + struct fc_function_template zfcp_transport_functions = { .show_starget_port_id = 1, .show_starget_port_name = 1, diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c index 9a3b8e261c0a..3e51e64d1108 100644 --- a/drivers/s390/scsi/zfcp_sysfs.c +++ b/drivers/s390/scsi/zfcp_sysfs.c @@ -254,12 +254,21 @@ static ssize_t zfcp_sysfs_unit_remove_store(struct device *dev, write_lock_irq(&zfcp_data.config_lock); unit = zfcp_get_unit_by_lun(port, fcp_lun); - if (unit && (atomic_read(&unit->refcount) == 0)) { - zfcp_unit_get(unit); - atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &unit->status); - list_move(&unit->list, &unit_remove_lh); - } else - unit = NULL; + if (unit) { + write_unlock_irq(&zfcp_data.config_lock); + /* wait for possible timeout during SCSI probe */ + flush_work(&unit->scsi_work); + write_lock_irq(&zfcp_data.config_lock); + + if (atomic_read(&unit->refcount) == 0) { + zfcp_unit_get(unit); + atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, + &unit->status); + list_move(&unit->list, &unit_remove_lh); + } else { + unit = NULL; + } + } write_unlock_irq(&zfcp_data.config_lock); diff --git a/drivers/scsi/cxgb3i/cxgb3i.h b/drivers/scsi/cxgb3i/cxgb3i.h index d362860e7504..59b0958d2d11 100644 --- a/drivers/scsi/cxgb3i/cxgb3i.h +++ b/drivers/scsi/cxgb3i/cxgb3i.h @@ -34,7 +34,7 @@ #include "cxgb3i_offload.h" #include "cxgb3i_ddp.h" -#define CXGB3I_SCSI_QDEPTH_DFLT 128 +#define CXGB3I_SCSI_HOST_QDEPTH 1024 #define CXGB3I_MAX_TARGET CXGB3I_MAX_CONN #define CXGB3I_MAX_LUN 512 #define ISCSI_PDU_NONPAYLOAD_MAX \ diff --git a/drivers/scsi/cxgb3i/cxgb3i_ddp.c b/drivers/scsi/cxgb3i/cxgb3i_ddp.c index d06a661c209f..99c912547902 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_ddp.c +++ b/drivers/scsi/cxgb3i/cxgb3i_ddp.c @@ -120,20 +120,26 @@ static void clear_ddp_map(struct cxgb3i_ddp_info *ddp, unsigned int tag, } static inline int ddp_find_unused_entries(struct cxgb3i_ddp_info *ddp, - int start, int max, int count, + unsigned int start, unsigned int max, + unsigned int count, struct cxgb3i_gather_list *gl) { - unsigned int i, j; + unsigned int i, j, k; + /* not enough entries */ + if ((max - start) < count) + return -EBUSY; + + max -= count; spin_lock(&ddp->map_lock); - for (i = start; i <= max;) { - for (j = 0; j < count; j++) { - if (ddp->gl_map[i + j]) + for (i = start; i < max;) { + for (j = 0, k = i; j < count; j++, k++) { + if (ddp->gl_map[k]) break; } if (j == count) { - for (j = 0; j < count; j++) - ddp->gl_map[i + j] = gl; + for (j = 0, k = i; j < count; j++, k++) + ddp->gl_map[k] = gl; spin_unlock(&ddp->map_lock); return i; } @@ -354,7 +360,7 @@ int cxgb3i_ddp_tag_reserve(struct t3cdev *tdev, unsigned int tid, struct cxgb3i_ddp_info *ddp = tdev->ulp_iscsi; struct pagepod_hdr hdr; unsigned int npods; - int idx = -1, idx_max; + int idx = -1; int err = -ENOMEM; u32 sw_tag = *tagp; u32 tag; @@ -367,17 +373,17 @@ int cxgb3i_ddp_tag_reserve(struct t3cdev *tdev, unsigned int tid, } npods = (gl->nelem + PPOD_PAGES_MAX - 1) >> PPOD_PAGES_SHIFT; - idx_max = ddp->nppods - npods + 1; if (ddp->idx_last == ddp->nppods) - idx = ddp_find_unused_entries(ddp, 0, idx_max, npods, gl); + idx = ddp_find_unused_entries(ddp, 0, ddp->nppods, npods, gl); else { idx = ddp_find_unused_entries(ddp, ddp->idx_last + 1, - idx_max, npods, gl); - if (idx < 0 && ddp->idx_last >= npods) + ddp->nppods, npods, gl); + if (idx < 0 && ddp->idx_last >= npods) { idx = ddp_find_unused_entries(ddp, 0, - ddp->idx_last - npods + 1, + min(ddp->idx_last + npods, ddp->nppods), npods, gl); + } } if (idx < 0) { ddp_log_debug("xferlen %u, gl %u, npods %u NO DDP.\n", diff --git a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c index fff8e4327644..9212400b9b13 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c +++ b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c @@ -876,13 +876,14 @@ static struct scsi_host_template cxgb3i_host_template = { .proc_name = "cxgb3i", .queuecommand = iscsi_queuecommand, .change_queue_depth = iscsi_change_queue_depth, - .can_queue = CXGB3I_SCSI_QDEPTH_DFLT - 1, + .can_queue = CXGB3I_SCSI_HOST_QDEPTH, .sg_tablesize = SG_ALL, .max_sectors = 0xFFFF, - .cmd_per_lun = CXGB3I_SCSI_QDEPTH_DFLT, + .cmd_per_lun = ISCSI_DEF_CMD_PER_LUN, .eh_abort_handler = iscsi_eh_abort, .eh_device_reset_handler = iscsi_eh_device_reset, .eh_target_reset_handler = iscsi_eh_target_reset, + .target_alloc = iscsi_target_alloc, .use_clustering = DISABLE_CLUSTERING, .this_id = -1, }; diff --git a/drivers/scsi/cxgb3i/cxgb3i_offload.c b/drivers/scsi/cxgb3i/cxgb3i_offload.c index 4d8654cdbdae..e11c9c180f39 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_offload.c +++ b/drivers/scsi/cxgb3i/cxgb3i_offload.c @@ -1737,7 +1737,7 @@ int cxgb3i_c3cn_send_pdus(struct s3_conn *c3cn, struct sk_buff *skb) c3cn_tx_debug("c3cn 0x%p, snd %u - %u > %u.\n", c3cn, c3cn->write_seq, c3cn->snd_una, cxgb3_snd_win); - err = -EAGAIN; + err = -ENOBUFS; goto out_err; } @@ -1775,6 +1775,8 @@ done: out_err: if (copied == 0 && err == -EPIPE) copied = c3cn->err ? c3cn->err : -EPIPE; + else + copied = err; goto done; } diff --git a/drivers/scsi/cxgb3i/cxgb3i_pdu.c b/drivers/scsi/cxgb3i/cxgb3i_pdu.c index 7eebc9a7cb35..709105071177 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_pdu.c +++ b/drivers/scsi/cxgb3i/cxgb3i_pdu.c @@ -400,17 +400,18 @@ int cxgb3i_conn_xmit_pdu(struct iscsi_task *task) return 0; } - if (err < 0 && err != -EAGAIN) { - kfree_skb(skb); - cxgb3i_tx_debug("itt 0x%x, skb 0x%p, len %u/%u, xmit err %d.\n", - task->itt, skb, skb->len, skb->data_len, err); - iscsi_conn_printk(KERN_ERR, task->conn, "xmit err %d.\n", err); - iscsi_conn_failure(task->conn, ISCSI_ERR_XMIT_FAILED); + if (err == -EAGAIN || err == -ENOBUFS) { + /* reset skb to send when we are called again */ + tdata->skb = skb; return err; } - /* reset skb to send when we are called again */ - tdata->skb = skb; - return -EAGAIN; + + kfree_skb(skb); + cxgb3i_tx_debug("itt 0x%x, skb 0x%p, len %u/%u, xmit err %d.\n", + task->itt, skb, skb->len, skb->data_len, err); + iscsi_conn_printk(KERN_ERR, task->conn, "xmit err %d.\n", err); + iscsi_conn_failure(task->conn, ISCSI_ERR_XMIT_FAILED); + return err; } int cxgb3i_pdu_init(void) diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index 94e1e3189773..03e1926f40b5 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -57,7 +57,7 @@ DEFINE_RWLOCK(fcoe_hostlist_lock); DEFINE_TIMER(fcoe_timer, NULL, 0, 0); DEFINE_PER_CPU(struct fcoe_percpu_s, fcoe_percpu); -/* Function Prototyes */ +/* Function Prototypes */ static int fcoe_reset(struct Scsi_Host *shost); static int fcoe_xmit(struct fc_lport *, struct fc_frame *); static int fcoe_rcv(struct sk_buff *, struct net_device *, @@ -138,7 +138,6 @@ static struct scsi_host_template fcoe_shost_template = { /** * fcoe_lport_config() - sets up the fc_lport * @lp: ptr to the fc_lport - * @shost: ptr to the parent scsi host * * Returns: 0 for success */ @@ -256,6 +255,7 @@ static int fcoe_netdev_config(struct fc_lport *lp, struct net_device *netdev) rtnl_lock(); memcpy(flogi_maddr, (u8[6]) FC_FCOE_FLOGI_MAC, ETH_ALEN); dev_unicast_add(fc->real_dev, flogi_maddr, ETH_ALEN); + dev_mc_add(fc->real_dev, FIP_ALL_ENODE_MACS, ETH_ALEN, 0); rtnl_unlock(); /* @@ -380,7 +380,7 @@ static int fcoe_if_destroy(struct net_device *netdev) dev_mc_delete(fc->real_dev, FIP_ALL_ENODE_MACS, ETH_ALEN, 0); rtnl_unlock(); - /* Free the per-CPU revieve threads */ + /* Free the per-CPU receive threads */ fcoe_percpu_clean(lp); /* Free existing skbs */ @@ -720,7 +720,7 @@ static void fcoe_percpu_thread_destroy(unsigned int cpu) } #else /* - * This a non-SMP scenario where the singluar Rx thread is + * This a non-SMP scenario where the singular Rx thread is * being removed. Free all skbs and stop the thread. */ spin_lock_bh(&p->fcoe_rx_list.lock); @@ -777,7 +777,7 @@ static struct notifier_block fcoe_cpu_notifier = { * @skb: the receive skb * @dev: associated net device * @ptype: context - * @odldev: last device + * @olddev: last device * * this function will receive the packet and build fc frame and pass it up * @@ -884,7 +884,6 @@ err2: kfree_skb(skb); return -1; } -EXPORT_SYMBOL_GPL(fcoe_rcv); /** * fcoe_start_io() - pass to netdev to start xmit for fcoe @@ -905,7 +904,7 @@ static inline int fcoe_start_io(struct sk_buff *skb) } /** - * fcoe_get_paged_crc_eof() - in case we need alloc a page for crc_eof + * fcoe_get_paged_crc_eof() - in case we need to alloc a page for crc_eof * @skb: the skb to be xmitted * @tlen: total len * @@ -947,7 +946,7 @@ static int fcoe_get_paged_crc_eof(struct sk_buff *skb, int tlen) /** * fcoe_fc_crc() - calculates FC CRC in this fcoe skb - * @fp: the fc_frame containg data to be checksummed + * @fp: the fc_frame containing data to be checksummed * * This uses crc32() to calculate the crc for fc frame * Return : 32 bit crc @@ -1011,7 +1010,7 @@ int fcoe_xmit(struct fc_lport *lp, struct fc_frame *fp) wlen = skb->len / FCOE_WORD_TO_BYTE; if (!lp->link_up) { - kfree(skb); + kfree_skb(skb); return 0; } @@ -1062,7 +1061,7 @@ int fcoe_xmit(struct fc_lport *lp, struct fc_frame *fp) cp = NULL; } - /* adjust skb netowrk/transport offsets to match mac/fcoe/fc */ + /* adjust skb network/transport offsets to match mac/fcoe/fc */ skb_push(skb, elen + hlen); skb_reset_mac_header(skb); skb_reset_network_header(skb); @@ -1123,7 +1122,6 @@ int fcoe_xmit(struct fc_lport *lp, struct fc_frame *fp) return 0; } -EXPORT_SYMBOL_GPL(fcoe_xmit); /** * fcoe_percpu_receive_thread() - recv thread per cpu @@ -1296,17 +1294,16 @@ void fcoe_watchdog(ulong vp) /** - * fcoe_check_wait_queue() - put the skb into fcoe pending xmit queue - * @lp: the fc_port for this skb - * @skb: the associated skb to be xmitted + * fcoe_check_wait_queue() - attempt to clear the transmit backlog + * @lp: the fc_lport * * This empties the wait_queue, dequeue the head of the wait_queue queue * and calls fcoe_start_io() for each packet, if all skb have been * transmitted, return qlen or -1 if a error occurs, then restore - * wait_queue and try again later. + * wait_queue and try again later. * * The wait_queue is used when the skb transmit fails. skb will go - * in the wait_queue which will be emptied by the time function OR + * in the wait_queue which will be emptied by the timer function or * by the next skb transmit. * * Returns: 0 for success @@ -1355,10 +1352,6 @@ out: */ static void fcoe_dev_setup() { - /* - * here setup a interface specific wd time to - * monitor the link state - */ register_netdevice_notifier(&fcoe_notifier); } @@ -1437,10 +1430,9 @@ out: /** * fcoe_if_to_netdev() - parse a name buffer to get netdev - * @ifname: fixed array for output parsed ifname * @buffer: incoming buffer to be copied * - * Returns: NULL or ptr to netdeive + * Returns: NULL or ptr to net_device */ static struct net_device *fcoe_if_to_netdev(const char *buffer) { @@ -1458,7 +1450,7 @@ static struct net_device *fcoe_if_to_netdev(const char *buffer) } /** - * fcoe_netdev_to_module_owner() - finds out the nic drive moddule of the netdev + * fcoe_netdev_to_module_owner() - finds out the driver module of the netdev * @netdev: the target netdev * * Returns: ptr to the struct module, NULL for failure @@ -1488,7 +1480,7 @@ fcoe_netdev_to_module_owner(const struct net_device *netdev) * Holds the Ethernet driver module by try_module_get() for * the corresponding netdev. * - * Returns: 0 for succsss + * Returns: 0 for success */ static int fcoe_ethdrv_get(const struct net_device *netdev) { @@ -1510,7 +1502,7 @@ static int fcoe_ethdrv_get(const struct net_device *netdev) * Releases the Ethernet driver module by module_put for * the corresponding netdev. * - * Returns: 0 for succsss + * Returns: 0 for success */ static int fcoe_ethdrv_put(const struct net_device *netdev) { @@ -1528,7 +1520,7 @@ static int fcoe_ethdrv_put(const struct net_device *netdev) /** * fcoe_destroy() - handles the destroy from sysfs - * @buffer: expcted to be a eth if name + * @buffer: expected to be an eth if name * @kp: associated kernel param * * Returns: 0 for success @@ -1565,7 +1557,7 @@ out_nodev: /** * fcoe_create() - Handles the create call from sysfs - * @buffer: expcted to be a eth if name + * @buffer: expected to be an eth if name * @kp: associated kernel param * * Returns: 0 for success @@ -1652,7 +1644,6 @@ int fcoe_link_ok(struct fc_lport *lp) return rc; } -EXPORT_SYMBOL_GPL(fcoe_link_ok); /** * fcoe_percpu_clean() - Clear the pending skbs for an lport @@ -1684,7 +1675,6 @@ void fcoe_percpu_clean(struct fc_lport *lp) spin_unlock_bh(&pp->fcoe_rx_list.lock); } } -EXPORT_SYMBOL_GPL(fcoe_percpu_clean); /** * fcoe_clean_pending_queue() - Dequeue a skb and free it @@ -1705,7 +1695,6 @@ void fcoe_clean_pending_queue(struct fc_lport *lp) } spin_unlock_bh(&fc->fcoe_pending_queue.lock); } -EXPORT_SYMBOL_GPL(fcoe_clean_pending_queue); /** * fcoe_reset() - Resets the fcoe @@ -1719,11 +1708,10 @@ int fcoe_reset(struct Scsi_Host *shost) fc_lport_reset(lport); return 0; } -EXPORT_SYMBOL_GPL(fcoe_reset); /** * fcoe_hostlist_lookup_softc() - find the corresponding lport by a given device - * @device: this is currently ptr to net_device + * @dev: this is currently ptr to net_device * * Returns: NULL or the located fcoe_softc */ @@ -1757,11 +1745,10 @@ struct fc_lport *fcoe_hostlist_lookup(const struct net_device *netdev) return (fc) ? fc->ctlr.lp : NULL; } -EXPORT_SYMBOL_GPL(fcoe_hostlist_lookup); /** * fcoe_hostlist_add() - Add a lport to lports list - * @lp: ptr to the fc_lport to badded + * @lp: ptr to the fc_lport to be added * * Returns: 0 for success */ @@ -1778,11 +1765,10 @@ int fcoe_hostlist_add(const struct fc_lport *lp) } return 0; } -EXPORT_SYMBOL_GPL(fcoe_hostlist_add); /** * fcoe_hostlist_remove() - remove a lport from lports list - * @lp: ptr to the fc_lport to badded + * @lp: ptr to the fc_lport to be removed * * Returns: 0 for success */ @@ -1798,7 +1784,6 @@ int fcoe_hostlist_remove(const struct fc_lport *lp) return 0; } -EXPORT_SYMBOL_GPL(fcoe_hostlist_remove); /** * fcoe_init() - fcoe module loading initialization diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c index f410f4abb548..62ba0f39c6bd 100644 --- a/drivers/scsi/fcoe/libfcoe.c +++ b/drivers/scsi/fcoe/libfcoe.c @@ -122,7 +122,7 @@ static void fcoe_ctlr_reset_fcfs(struct fcoe_ctlr *fip) } /** - * fcoe_ctrl_destroy() - Disable and tear-down the FCoE controller. + * fcoe_ctlr_destroy() - Disable and tear-down the FCoE controller. * @fip: FCoE controller. * * This is called by FCoE drivers before freeing the &fcoe_ctlr. diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index c09d77591f92..dd689ded8609 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -3654,6 +3654,7 @@ static int ipr_slave_configure(struct scsi_device *sdev) { struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; struct ipr_resource_entry *res; + struct ata_port *ap = NULL; unsigned long lock_flags = 0; spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); @@ -3672,12 +3673,16 @@ static int ipr_slave_configure(struct scsi_device *sdev) } if (ipr_is_vset_device(res) || ipr_is_scsi_disk(res)) sdev->allow_restart = 1; - if (ipr_is_gata(res) && res->sata_port) { + if (ipr_is_gata(res) && res->sata_port) + ap = res->sata_port->ap; + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + + if (ap) { scsi_adjust_queue_depth(sdev, 0, IPR_MAX_CMD_PER_ATA_LUN); - ata_sas_slave_configure(sdev, res->sata_port->ap); - } else { + ata_sas_slave_configure(sdev, ap); + } else scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun); - } + return 0; } spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); return 0; diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index b3e5e08e44ab..b7c092d63bbe 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -463,7 +463,7 @@ static int iscsi_sw_tcp_pdu_init(struct iscsi_task *task, } if (err) { - iscsi_conn_failure(conn, err); + /* got invalid offset/len */ return -EIO; } return 0; @@ -851,6 +851,7 @@ static struct scsi_host_template iscsi_sw_tcp_sht = { .use_clustering = DISABLE_CLUSTERING, .slave_alloc = iscsi_sw_tcp_slave_alloc, .slave_configure = iscsi_sw_tcp_slave_configure, + .target_alloc = iscsi_target_alloc, .proc_name = "iscsi_tcp", .this_id = -1, }; diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c index e57556ea5b48..4c880656990b 100644 --- a/drivers/scsi/libfc/fc_disc.c +++ b/drivers/scsi/libfc/fc_disc.c @@ -113,6 +113,11 @@ void fc_disc_stop_rports(struct fc_disc *disc) lport->tt.rport_logoff(rport); } + list_for_each_entry_safe(rdata, next, &disc->rogue_rports, peers) { + rport = PRIV_TO_RPORT(rdata); + lport->tt.rport_logoff(rport); + } + mutex_unlock(&disc->disc_mutex); } @@ -131,23 +136,32 @@ static void fc_disc_rport_callback(struct fc_lport *lport, { struct fc_rport_libfc_priv *rdata = rport->dd_data; struct fc_disc *disc = &lport->disc; - int found = 0; FC_DEBUG_DISC("Received a %d event for port (%6x)\n", event, rport->port_id); - if (event == RPORT_EV_CREATED) { + switch (event) { + case RPORT_EV_CREATED: if (disc) { - found = 1; mutex_lock(&disc->disc_mutex); list_add_tail(&rdata->peers, &disc->rports); mutex_unlock(&disc->disc_mutex); } + break; + case RPORT_EV_LOGO: + case RPORT_EV_FAILED: + case RPORT_EV_STOP: + mutex_lock(&disc->disc_mutex); + mutex_lock(&rdata->rp_mutex); + if (rdata->trans_state == FC_PORTSTATE_ROGUE) + list_del(&rdata->peers); + mutex_unlock(&rdata->rp_mutex); + mutex_unlock(&disc->disc_mutex); + break; + default: + break; } - if (!found) - FC_DEBUG_DISC("The rport (%6x) is not maintained " - "by the discovery layer\n", rport->port_id); } /** @@ -439,6 +453,7 @@ static int fc_disc_new_target(struct fc_disc *disc, rdata = rport->dd_data; rdata->ops = &fc_disc_rport_ops; rdata->rp_state = RPORT_ST_INIT; + list_add_tail(&rdata->peers, &disc->rogue_rports); lport->tt.rport_login(rport); } } @@ -461,21 +476,29 @@ static void fc_disc_del_target(struct fc_disc *disc, struct fc_rport *rport) /** * fc_disc_done() - Discovery has been completed * @disc: FC discovery context + * Locking Note: This function expects that the disc mutex is locked before + * it is called. The discovery callback is then made with the lock released, + * and the lock is re-taken before returning from this function */ static void fc_disc_done(struct fc_disc *disc) { struct fc_lport *lport = disc->lport; + enum fc_disc_event event; FC_DEBUG_DISC("Discovery complete for port (%6x)\n", fc_host_port_id(lport->host)); - disc->disc_callback(lport, disc->event); + event = disc->event; disc->event = DISC_EV_NONE; if (disc->requested) fc_disc_gpn_ft_req(disc); else disc->pending = 0; + + mutex_unlock(&disc->disc_mutex); + disc->disc_callback(lport, event); + mutex_lock(&disc->disc_mutex); } /** @@ -622,6 +645,8 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len) rdata = rport->dd_data; rdata->ops = &fc_disc_rport_ops; rdata->local_port = lport; + list_add_tail(&rdata->peers, + &disc->rogue_rports); lport->tt.rport_login(rport); } else FC_DBG("Failed to allocate memory for " @@ -681,8 +706,8 @@ static void fc_disc_timeout(struct work_struct *work) * @fp: response frame * @lp_arg: Fibre Channel host port instance * - * Locking Note: This function expects that the disc_mutex is locked - * before it is called. + * Locking Note: This function is called without disc mutex held, and + * should do all its processing with the mutex held */ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp, void *disc_arg) @@ -695,11 +720,13 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp, unsigned int len; int error; + mutex_lock(&disc->disc_mutex); FC_DEBUG_DISC("Received a GPN_FT response on port (%6x)\n", fc_host_port_id(disc->lport->host)); if (IS_ERR(fp)) { fc_disc_error(disc, fp); + mutex_unlock(&disc->disc_mutex); return; } @@ -744,6 +771,8 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp, disc->seq_count++; } fc_frame_free(fp); + + mutex_unlock(&disc->disc_mutex); } /** @@ -757,7 +786,6 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp, static void fc_disc_single(struct fc_disc *disc, struct fc_disc_port *dp) { struct fc_lport *lport; - struct fc_rport *rport; struct fc_rport *new_rport; struct fc_rport_libfc_priv *rdata; @@ -766,15 +794,12 @@ static void fc_disc_single(struct fc_disc *disc, struct fc_disc_port *dp) if (dp->ids.port_id == fc_host_port_id(lport->host)) goto out; - rport = lport->tt.rport_lookup(lport, dp->ids.port_id); - if (rport) - fc_disc_del_target(disc, rport); - new_rport = lport->tt.rport_create(dp); if (new_rport) { rdata = new_rport->dd_data; rdata->ops = &fc_disc_rport_ops; kfree(dp); + list_add_tail(&rdata->peers, &disc->rogue_rports); lport->tt.rport_login(new_rport); } return; @@ -836,6 +861,7 @@ int fc_disc_init(struct fc_lport *lport) INIT_DELAYED_WORK(&disc->disc_work, fc_disc_timeout); mutex_init(&disc->disc_mutex); INIT_LIST_HEAD(&disc->rports); + INIT_LIST_HEAD(&disc->rogue_rports); disc->lport = lport; disc->delay = FC_DISC_DELAY; diff --git a/drivers/scsi/libfc/fc_elsct.c b/drivers/scsi/libfc/fc_elsct.c index dd47fe619d1e..5878b34bff18 100644 --- a/drivers/scsi/libfc/fc_elsct.c +++ b/drivers/scsi/libfc/fc_elsct.c @@ -41,7 +41,7 @@ static struct fc_seq *fc_elsct_send(struct fc_lport *lport, void *arg, u32 timer_msec) { enum fc_rctl r_ctl; - u32 did; + u32 did = FC_FID_NONE; enum fc_fh_type fh_type; int rc; diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c index f555ae99ad40..521f996f9b13 100644 --- a/drivers/scsi/libfc/fc_fcp.c +++ b/drivers/scsi/libfc/fc_fcp.c @@ -713,7 +713,7 @@ done: static void fc_fcp_recv(struct fc_seq *seq, struct fc_frame *fp, void *arg) { struct fc_fcp_pkt *fsp = (struct fc_fcp_pkt *)arg; - struct fc_lport *lp; + struct fc_lport *lport = fsp->lp; struct fc_frame_header *fh; struct fcp_txrdy *dd; u8 r_ctl; @@ -724,9 +724,8 @@ static void fc_fcp_recv(struct fc_seq *seq, struct fc_frame *fp, void *arg) fh = fc_frame_header_get(fp); r_ctl = fh->fh_r_ctl; - lp = fsp->lp; - if (!(lp->state & LPORT_ST_READY)) + if (!(lport->state & LPORT_ST_READY)) goto out; if (fc_fcp_lock_pkt(fsp)) goto out; @@ -779,7 +778,7 @@ errout: if (IS_ERR(fp)) fc_fcp_error(fsp, fp); else if (rc == -ENOMEM) - fc_fcp_reduce_can_queue(lp); + fc_fcp_reduce_can_queue(lport); } static void fc_fcp_resp(struct fc_fcp_pkt *fsp, struct fc_frame *fp) diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c index b8178ef398d7..e0c247724d2b 100644 --- a/drivers/scsi/libfc/fc_lport.c +++ b/drivers/scsi/libfc/fc_lport.c @@ -618,6 +618,11 @@ int fc_fabric_logoff(struct fc_lport *lport) { lport->tt.disc_stop_final(lport); mutex_lock(&lport->lp_mutex); + if (lport->dns_rp) + lport->tt.rport_logoff(lport->dns_rp); + mutex_unlock(&lport->lp_mutex); + lport->tt.rport_flush_queue(); + mutex_lock(&lport->lp_mutex); fc_lport_enter_logo(lport); mutex_unlock(&lport->lp_mutex); cancel_delayed_work_sync(&lport->retry_work); @@ -639,7 +644,12 @@ EXPORT_SYMBOL(fc_fabric_logoff); */ int fc_lport_destroy(struct fc_lport *lport) { + mutex_lock(&lport->lp_mutex); + lport->state = LPORT_ST_NONE; + lport->link_up = 0; lport->tt.frame_send = fc_frame_drop; + mutex_unlock(&lport->lp_mutex); + lport->tt.fcp_abort_io(lport); lport->tt.exch_mgr_reset(lport, 0, 0); return 0; @@ -1032,17 +1042,19 @@ static void fc_lport_rft_id_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_LPORT("Received a RFT_ID response\n"); - if (IS_ERR(fp)) { - fc_lport_error(lport, fp); - goto err; - } - if (lport->state != LPORT_ST_RFT_ID) { FC_DBG("Received a RFT_ID response, but in state %s\n", fc_lport_state(lport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_lport_error(lport, fp); + goto err; + } + fh = fc_frame_header_get(fp); ct = fc_frame_payload_get(fp, sizeof(*ct)); @@ -1084,17 +1096,19 @@ static void fc_lport_rpn_id_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_LPORT("Received a RPN_ID response\n"); - if (IS_ERR(fp)) { - fc_lport_error(lport, fp); - goto err; - } - if (lport->state != LPORT_ST_RPN_ID) { FC_DBG("Received a RPN_ID response, but in state %s\n", fc_lport_state(lport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_lport_error(lport, fp); + goto err; + } + fh = fc_frame_header_get(fp); ct = fc_frame_payload_get(fp, sizeof(*ct)); if (fh && ct && fh->fh_type == FC_TYPE_CT && @@ -1134,17 +1148,19 @@ static void fc_lport_scr_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_LPORT("Received a SCR response\n"); - if (IS_ERR(fp)) { - fc_lport_error(lport, fp); - goto err; - } - if (lport->state != LPORT_ST_SCR) { FC_DBG("Received a SCR response, but in state %s\n", fc_lport_state(lport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_lport_error(lport, fp); + goto err; + } + op = fc_frame_payload_op(fp); if (op == ELS_LS_ACC) fc_lport_enter_ready(lport); @@ -1360,17 +1376,19 @@ static void fc_lport_logo_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_LPORT("Received a LOGO response\n"); - if (IS_ERR(fp)) { - fc_lport_error(lport, fp); - goto err; - } - if (lport->state != LPORT_ST_LOGO) { FC_DBG("Received a LOGO response, but in state %s\n", fc_lport_state(lport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_lport_error(lport, fp); + goto err; + } + op = fc_frame_payload_op(fp); if (op == ELS_LS_ACC) fc_lport_enter_reset(lport); @@ -1400,10 +1418,6 @@ static void fc_lport_enter_logo(struct fc_lport *lport) fc_lport_state_enter(lport, LPORT_ST_LOGO); - /* DNS session should be closed so we can release it here */ - if (lport->dns_rp) - lport->tt.rport_logoff(lport->dns_rp); - fp = fc_frame_alloc(lport, sizeof(*logo)); if (!fp) { fc_lport_error(lport, fp); @@ -1444,17 +1458,19 @@ static void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_LPORT("Received a FLOGI response\n"); - if (IS_ERR(fp)) { - fc_lport_error(lport, fp); - goto err; - } - if (lport->state != LPORT_ST_FLOGI) { FC_DBG("Received a FLOGI response, but in state %s\n", fc_lport_state(lport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_lport_error(lport, fp); + goto err; + } + fh = fc_frame_header_get(fp); did = ntoh24(fh->fh_d_id); if (fc_frame_payload_op(fp) == ELS_LS_ACC && did != 0) { diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c index 0472bb73221e..747d73c5c8af 100644 --- a/drivers/scsi/libfc/fc_rport.c +++ b/drivers/scsi/libfc/fc_rport.c @@ -267,6 +267,10 @@ static void fc_rport_work(struct work_struct *work) "(%6x).\n", ids.port_id); event = RPORT_EV_FAILED; } + if (rport->port_id != FC_FID_DIR_SERV) + if (rport_ops->event_callback) + rport_ops->event_callback(lport, rport, + RPORT_EV_FAILED); put_device(&rport->dev); rport = new_rport; rdata = new_rport->dd_data; @@ -325,11 +329,20 @@ int fc_rport_login(struct fc_rport *rport) int fc_rport_logoff(struct fc_rport *rport) { struct fc_rport_libfc_priv *rdata = rport->dd_data; + struct fc_lport *lport = rdata->local_port; mutex_lock(&rdata->rp_mutex); FC_DEBUG_RPORT("Remove port (%6x)\n", rport->port_id); + if (rdata->rp_state == RPORT_ST_NONE) { + FC_DEBUG_RPORT("(%6x): Port (%6x) in NONE state," + " not removing", fc_host_port_id(lport->host), + rport->port_id); + mutex_unlock(&rdata->rp_mutex); + goto out; + } + fc_rport_enter_logo(rport); /* @@ -349,6 +362,7 @@ int fc_rport_logoff(struct fc_rport *rport) mutex_unlock(&rdata->rp_mutex); +out: return 0; } @@ -430,6 +444,7 @@ static void fc_rport_error(struct fc_rport *rport, struct fc_frame *fp) case RPORT_ST_PRLI: case RPORT_ST_LOGO: rdata->event = RPORT_EV_FAILED; + fc_rport_state_enter(rport, RPORT_ST_NONE); queue_work(rport_event_queue, &rdata->event_work); break; @@ -494,7 +509,7 @@ static void fc_rport_plogi_resp(struct fc_seq *sp, struct fc_frame *fp, struct fc_rport *rport = rp_arg; struct fc_rport_libfc_priv *rdata = rport->dd_data; struct fc_lport *lport = rdata->local_port; - struct fc_els_flogi *plp; + struct fc_els_flogi *plp = NULL; unsigned int tov; u16 csp_seq; u16 cssp_seq; @@ -505,17 +520,19 @@ static void fc_rport_plogi_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_RPORT("Received a PLOGI response from port (%6x)\n", rport->port_id); - if (IS_ERR(fp)) { - fc_rport_error_retry(rport, fp); - goto err; - } - if (rdata->rp_state != RPORT_ST_PLOGI) { FC_DBG("Received a PLOGI response, but in state %s\n", fc_rport_state(rport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_rport_error_retry(rport, fp); + goto err; + } + op = fc_frame_payload_op(fp); if (op == ELS_LS_ACC && (plp = fc_frame_payload_get(fp, sizeof(*plp))) != NULL) { @@ -614,17 +631,19 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_RPORT("Received a PRLI response from port (%6x)\n", rport->port_id); - if (IS_ERR(fp)) { - fc_rport_error_retry(rport, fp); - goto err; - } - if (rdata->rp_state != RPORT_ST_PRLI) { FC_DBG("Received a PRLI response, but in state %s\n", fc_rport_state(rport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_rport_error_retry(rport, fp); + goto err; + } + op = fc_frame_payload_op(fp); if (op == ELS_LS_ACC) { pp = fc_frame_payload_get(fp, sizeof(*pp)); @@ -646,6 +665,7 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp, } else { FC_DBG("Bad ELS response\n"); rdata->event = RPORT_EV_FAILED; + fc_rport_state_enter(rport, RPORT_ST_NONE); queue_work(rport_event_queue, &rdata->event_work); } @@ -678,23 +698,26 @@ static void fc_rport_logo_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_RPORT("Received a LOGO response from port (%6x)\n", rport->port_id); - if (IS_ERR(fp)) { - fc_rport_error_retry(rport, fp); - goto err; - } - if (rdata->rp_state != RPORT_ST_LOGO) { FC_DEBUG_RPORT("Received a LOGO response, but in state %s\n", fc_rport_state(rport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_rport_error_retry(rport, fp); + goto err; + } + op = fc_frame_payload_op(fp); if (op == ELS_LS_ACC) { fc_rport_enter_rtv(rport); } else { FC_DBG("Bad ELS response\n"); rdata->event = RPORT_EV_LOGO; + fc_rport_state_enter(rport, RPORT_ST_NONE); queue_work(rport_event_queue, &rdata->event_work); } @@ -764,17 +787,19 @@ static void fc_rport_rtv_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DEBUG_RPORT("Received a RTV response from port (%6x)\n", rport->port_id); - if (IS_ERR(fp)) { - fc_rport_error(rport, fp); - goto err; - } - if (rdata->rp_state != RPORT_ST_RTV) { FC_DBG("Received a RTV response, but in state %s\n", fc_rport_state(rport)); + if (IS_ERR(fp)) + goto err; goto out; } + if (IS_ERR(fp)) { + fc_rport_error(rport, fp); + goto err; + } + op = fc_frame_payload_op(fp); if (op == ELS_LS_ACC) { struct fc_els_rtv_acc *rtv; @@ -1007,6 +1032,8 @@ static void fc_rport_recv_plogi_req(struct fc_rport *rport, default: FC_DEBUG_RPORT("incoming PLOGI from %x in unexpected " "state %d\n", sid, rdata->rp_state); + fc_frame_free(fp); + return; break; } @@ -1098,6 +1125,8 @@ static void fc_rport_recv_prli_req(struct fc_rport *rport, reason = ELS_RJT_NONE; break; default: + fc_frame_free(rx_fp); + return; break; } len = fr_len(rx_fp) - sizeof(*fh); @@ -1227,6 +1256,11 @@ static void fc_rport_recv_prlo_req(struct fc_rport *rport, struct fc_seq *sp, "while in state %s\n", ntoh24(fh->fh_s_id), fc_rport_state(rport)); + if (rdata->rp_state == RPORT_ST_NONE) { + fc_frame_free(fp); + return; + } + rjt_data.fp = NULL; rjt_data.reason = ELS_RJT_UNAB; rjt_data.explan = ELS_EXPL_NONE; @@ -1256,7 +1290,13 @@ static void fc_rport_recv_logo_req(struct fc_rport *rport, struct fc_seq *sp, "while in state %s\n", ntoh24(fh->fh_s_id), fc_rport_state(rport)); + if (rdata->rp_state == RPORT_ST_NONE) { + fc_frame_free(fp); + return; + } + rdata->event = RPORT_EV_LOGO; + fc_rport_state_enter(rport, RPORT_ST_NONE); queue_work(rport_event_queue, &rdata->event_work); lport->tt.seq_els_rsp_send(sp, ELS_LS_ACC, NULL); diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 689628359169..e72b4ad47d35 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1463,6 +1463,16 @@ int iscsi_change_queue_depth(struct scsi_device *sdev, int depth) } EXPORT_SYMBOL_GPL(iscsi_change_queue_depth); +int iscsi_target_alloc(struct scsi_target *starget) +{ + struct iscsi_cls_session *cls_session = starget_to_session(starget); + struct iscsi_session *session = cls_session->dd_data; + + starget->can_queue = session->scsi_cmds_max; + return 0; +} +EXPORT_SYMBOL_GPL(iscsi_target_alloc); + void iscsi_session_recovery_timedout(struct iscsi_cls_session *cls_session) { struct iscsi_session *session = cls_session->dd_data; diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c index 91f8ce4d8d08..b579ca9f4836 100644 --- a/drivers/scsi/libiscsi_tcp.c +++ b/drivers/scsi/libiscsi_tcp.c @@ -1036,8 +1036,11 @@ flush: rc = conn->session->tt->init_pdu(task, r2t->data_offset + r2t->sent, r2t->data_count); - if (rc) + if (rc) { + iscsi_conn_failure(conn, ISCSI_ERR_XMIT_FAILED); return rc; + } + r2t->sent += r2t->data_count; goto flush; } diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index dcba267db711..1105f9a111ba 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -443,6 +443,7 @@ struct lpfc_hba { uint32_t hba_flag; /* hba generic flags */ #define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */ +#define DEFER_ERATT 0x4 /* Deferred error attention in progress */ struct lpfc_dmabuf slim2p; MAILBOX_t *mbox; @@ -723,4 +724,3 @@ lpfc_sli_read_hs(struct lpfc_hba *phba) return; } - diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 40cf0f4f327f..c14f0cbdb125 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -51,7 +51,7 @@ #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8" /** - * lpfc_jedec_to_ascii: Hex to ascii convertor according to JEDEC rules. + * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules * @incr: integer to convert. * @hdw: ascii string holding converted integer plus a string terminator. * @@ -82,7 +82,7 @@ lpfc_jedec_to_ascii(int incr, char hdw[]) } /** - * lpfc_drvr_version_show: Return the Emulex driver string with version number. + * lpfc_drvr_version_show - Return the Emulex driver string with version number * @dev: class unused variable. * @attr: device attribute, not used. * @buf: on return contains the module description text. @@ -152,7 +152,7 @@ lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_info_show: Return some pci info about the host in ascii. + * lpfc_info_show - Return some pci info about the host in ascii * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the formatted text from lpfc_info(). @@ -169,7 +169,7 @@ lpfc_info_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_serialnum_show: Return the hba serial number in ascii. + * lpfc_serialnum_show - Return the hba serial number in ascii * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the formatted text serial number. @@ -188,7 +188,7 @@ lpfc_serialnum_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_temp_sensor_show: Return the temperature sensor level. + * lpfc_temp_sensor_show - Return the temperature sensor level * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the formatted support level. @@ -210,7 +210,7 @@ lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_modeldesc_show: Return the model description of the hba. + * lpfc_modeldesc_show - Return the model description of the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd model description. @@ -229,7 +229,7 @@ lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_modelname_show: Return the model name of the hba. + * lpfc_modelname_show - Return the model name of the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd model name. @@ -248,7 +248,7 @@ lpfc_modelname_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_programtype_show: Return the program type of the hba. + * lpfc_programtype_show - Return the program type of the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd program type. @@ -267,7 +267,7 @@ lpfc_programtype_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_mlomgmt_show: Return the Menlo Maintenance sli flag. + * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the Menlo Maintenance sli flag. @@ -286,7 +286,7 @@ lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf) } /** - * lpfc_vportnum_show: Return the port number in ascii of the hba. + * lpfc_vportnum_show - Return the port number in ascii of the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains scsi vpd program type. @@ -305,7 +305,7 @@ lpfc_vportnum_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_fwrev_show: Return the firmware rev running in the hba. + * lpfc_fwrev_show - Return the firmware rev running in the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd program type. @@ -326,7 +326,7 @@ lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_hdw_show: Return the jedec information about the hba. + * lpfc_hdw_show - Return the jedec information about the hba * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the scsi vpd program type. @@ -347,7 +347,7 @@ lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf) } /** - * lpfc_option_rom_version_show: Return the adapter ROM FCode version. + * lpfc_option_rom_version_show - Return the adapter ROM FCode version * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the ROM and FCode ascii strings. @@ -366,7 +366,7 @@ lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_state_show: Return the link state of the port. + * lpfc_state_show - Return the link state of the port * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains text describing the state of the link. @@ -451,7 +451,7 @@ lpfc_link_state_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_num_discovered_ports_show: Return sum of mapped and unmapped vports. + * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the sum of fc mapped and unmapped. @@ -474,7 +474,7 @@ lpfc_num_discovered_ports_show(struct device *dev, } /** - * lpfc_issue_lip: Misnomer, name carried over from long ago. + * lpfc_issue_lip - Misnomer, name carried over from long ago * @shost: Scsi_Host pointer. * * Description: @@ -529,7 +529,7 @@ lpfc_issue_lip(struct Scsi_Host *shost) } /** - * lpfc_do_offline: Issues a mailbox command to bring the link down. + * lpfc_do_offline - Issues a mailbox command to bring the link down * @phba: lpfc_hba pointer. * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL. * @@ -537,7 +537,7 @@ lpfc_issue_lip(struct Scsi_Host *shost) * Assumes any error from lpfc_do_offline() will be negative. * Can wait up to 5 seconds for the port ring buffers count * to reach zero, prints a warning if it is not zero and continues. - * lpfc_workq_post_event() returns a non-zero return coce if call fails. + * lpfc_workq_post_event() returns a non-zero return code if call fails. * * Returns: * -EIO error posting the event @@ -591,7 +591,7 @@ lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) } /** - * lpfc_selective_reset: Offline then onlines the port. + * lpfc_selective_reset - Offline then onlines the port * @phba: lpfc_hba pointer. * * Description: @@ -632,7 +632,7 @@ lpfc_selective_reset(struct lpfc_hba *phba) } /** - * lpfc_issue_reset: Selectively resets an adapter. + * lpfc_issue_reset - Selectively resets an adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: containing the string "selective". @@ -672,7 +672,7 @@ lpfc_issue_reset(struct device *dev, struct device_attribute *attr, } /** - * lpfc_nport_evt_cnt_show: Return the number of nport events. + * lpfc_nport_evt_cnt_show - Return the number of nport events * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the ascii number of nport events. @@ -691,7 +691,7 @@ lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_board_mode_show: Return the state of the board. + * lpfc_board_mode_show - Return the state of the board * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the state of the adapter. @@ -720,7 +720,7 @@ lpfc_board_mode_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_board_mode_store: Puts the hba in online, offline, warm or error state. + * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: containing one of the strings "online", "offline", "warm" or "error". @@ -766,14 +766,14 @@ lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, } /** - * lpfc_get_hba_info: Return various bits of informaton about the adapter. + * lpfc_get_hba_info - Return various bits of informaton about the adapter * @phba: pointer to the adapter structure. - * @mxri max xri count. - * @axri available xri count. - * @mrpi max rpi count. - * @arpi available rpi count. - * @mvpi max vpi count. - * @avpi available vpi count. + * @mxri: max xri count. + * @axri: available xri count. + * @mrpi: max rpi count. + * @arpi: available rpi count. + * @mvpi: max vpi count. + * @avpi: available vpi count. * * Description: * If an integer pointer for an count is not null then the value for the @@ -846,7 +846,7 @@ lpfc_get_hba_info(struct lpfc_hba *phba, } /** - * lpfc_max_rpi_show: Return maximum rpi. + * lpfc_max_rpi_show - Return maximum rpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the maximum rpi count in decimal or "Unknown". @@ -874,7 +874,7 @@ lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_used_rpi_show: Return maximum rpi minus available rpi. + * lpfc_used_rpi_show - Return maximum rpi minus available rpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: containing the used rpi count in decimal or "Unknown". @@ -902,7 +902,7 @@ lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_max_xri_show: Return maximum xri. + * lpfc_max_xri_show - Return maximum xri * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the maximum xri count in decimal or "Unknown". @@ -930,7 +930,7 @@ lpfc_max_xri_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_used_xri_show: Return maximum xpi minus the available xpi. + * lpfc_used_xri_show - Return maximum xpi minus the available xpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the used xri count in decimal or "Unknown". @@ -958,7 +958,7 @@ lpfc_used_xri_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_max_vpi_show: Return maximum vpi. + * lpfc_max_vpi_show - Return maximum vpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the maximum vpi count in decimal or "Unknown". @@ -986,7 +986,7 @@ lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_used_vpi_show: Return maximum vpi minus the available vpi. + * lpfc_used_vpi_show - Return maximum vpi minus the available vpi * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the used vpi count in decimal or "Unknown". @@ -1014,7 +1014,7 @@ lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_npiv_info_show: Return text about NPIV support for the adapter. + * lpfc_npiv_info_show - Return text about NPIV support for the adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: text that must be interpreted to determine if npiv is supported. @@ -1042,7 +1042,7 @@ lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_poll_show: Return text about poll support for the adapter. + * lpfc_poll_show - Return text about poll support for the adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: on return contains the cfg_poll in hex. @@ -1064,7 +1064,7 @@ lpfc_poll_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_poll_store: Set the value of cfg_poll for the adapter. + * lpfc_poll_store - Set the value of cfg_poll for the adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: one or more lpfc_polling_flags values. @@ -1136,7 +1136,7 @@ lpfc_poll_store(struct device *dev, struct device_attribute *attr, } /** - * lpfc_param_show: Return a cfg attribute value in decimal. + * lpfc_param_show - Return a cfg attribute value in decimal * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1164,7 +1164,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_param_hex_show: Return a cfg attribute value in hex. + * lpfc_param_hex_show - Return a cfg attribute value in hex * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1173,7 +1173,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field. * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. - * @buf: on return contains the attribute value in hexidecimal. + * @buf: on return contains the attribute value in hexadecimal. * * Returns: size of formatted string. **/ @@ -1192,7 +1192,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_param_init: Intializes a cfg attribute. + * lpfc_param_init - Intializes a cfg attribute * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1226,7 +1226,7 @@ lpfc_##attr##_init(struct lpfc_hba *phba, int val) \ } /** - * lpfc_param_set: Set a cfg attribute value. + * lpfc_param_set - Set a cfg attribute value * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1260,7 +1260,7 @@ lpfc_##attr##_set(struct lpfc_hba *phba, int val) \ } /** - * lpfc_param_store: Set a vport attribute value. + * lpfc_param_store - Set a vport attribute value * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1300,7 +1300,7 @@ lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_vport_param_show: Return decimal formatted cfg attribute value. + * lpfc_vport_param_show - Return decimal formatted cfg attribute value * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1326,17 +1326,17 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_vport_param_hex_show: Return hex formatted attribute value. + * lpfc_vport_param_hex_show - Return hex formatted attribute value * * Description: * Macro that given an attr e.g. * hba_queue_depth expands into a function with the name * lpfc_hba_queue_depth_show * - * lpfc_##attr##_show: prints the attribute value in hexidecimal. + * lpfc_##attr##_show: prints the attribute value in hexadecimal. * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. - * @buf: on return contains the attribute value in hexidecimal. + * @buf: on return contains the attribute value in hexadecimal. * * Returns: length of formatted string. **/ @@ -1353,7 +1353,7 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ } /** - * lpfc_vport_param_init: Initialize a vport cfg attribute. + * lpfc_vport_param_init - Initialize a vport cfg attribute * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1386,7 +1386,7 @@ lpfc_##attr##_init(struct lpfc_vport *vport, int val) \ } /** - * lpfc_vport_param_set: Set a vport cfg attribute. + * lpfc_vport_param_set - Set a vport cfg attribute * * Description: * Macro that given an attr e.g. hba_queue_depth expands @@ -1417,7 +1417,7 @@ lpfc_##attr##_set(struct lpfc_vport *vport, int val) \ } /** - * lpfc_vport_param_store: Set a vport attribute. + * lpfc_vport_param_store - Set a vport attribute * * Description: * Macro that given an attr e.g. hba_queue_depth @@ -1576,7 +1576,7 @@ static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL); static char *lpfc_soft_wwn_key = "C99G71SL8032A"; /** - * lpfc_soft_wwn_enable_store: Allows setting of the wwn if the key is valid. + * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. * @buf: containing the string lpfc_soft_wwn_key. @@ -1623,10 +1623,10 @@ static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, lpfc_soft_wwn_enable_store); /** - * lpfc_soft_wwpn_show: Return the cfg soft ww port name of the adapter. + * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. - * @buf: on return contains the wwpn in hexidecimal. + * @buf: on return contains the wwpn in hexadecimal. * * Returns: size of formatted string. **/ @@ -1643,10 +1643,10 @@ lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_soft_wwpn_store: Set the ww port name of the adapter. + * lpfc_soft_wwpn_store - Set the ww port name of the adapter * @dev class device that is converted into a Scsi_host. * @attr: device attribute, not used. - * @buf: contains the wwpn in hexidecimal. + * @buf: contains the wwpn in hexadecimal. * @count: number of wwpn bytes in buf * * Returns: @@ -1729,10 +1729,10 @@ static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); /** - * lpfc_soft_wwnn_show: Return the cfg soft ww node name for the adapter. + * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter * @dev: class device that is converted into a Scsi_host. * @attr: device attribute, not used. - * @buf: on return contains the wwnn in hexidecimal. + * @buf: on return contains the wwnn in hexadecimal. * * Returns: size of formatted string. **/ @@ -1747,9 +1747,9 @@ lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_soft_wwnn_store: sets the ww node name of the adapter. + * lpfc_soft_wwnn_store - sets the ww node name of the adapter * @cdev: class device that is converted into a Scsi_host. - * @buf: contains the ww node name in hexidecimal. + * @buf: contains the ww node name in hexadecimal. * @count: number of wwnn bytes in buf. * * Returns: @@ -1845,7 +1845,7 @@ MODULE_PARM_DESC(lpfc_nodev_tmo, "for a device to come back"); /** - * lpfc_nodev_tmo_show: Return the hba dev loss timeout value. + * lpfc_nodev_tmo_show - Return the hba dev loss timeout value * @dev: class converted to a Scsi_host structure. * @attr: device attribute, not used. * @buf: on return contains the dev loss timeout in decimal. @@ -1864,7 +1864,7 @@ lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr, } /** - * lpfc_nodev_tmo_init: Set the hba nodev timeout value. + * lpfc_nodev_tmo_init - Set the hba nodev timeout value * @vport: lpfc vport structure pointer. * @val: contains the nodev timeout value. * @@ -1905,7 +1905,7 @@ lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) } /** - * lpfc_update_rport_devloss_tmo: Update dev loss tmo value. + * lpfc_update_rport_devloss_tmo - Update dev loss tmo value * @vport: lpfc vport structure pointer. * * Description: @@ -1926,7 +1926,7 @@ lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport) } /** - * lpfc_nodev_tmo_set: Set the vport nodev tmo and devloss tmo values. + * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values * @vport: lpfc vport structure pointer. * @val: contains the tmo value. * @@ -1982,7 +1982,7 @@ lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, lpfc_vport_param_show(devloss_tmo) /** - * lpfc_devloss_tmo_set: Sets vport nodev tmo, devloss tmo values, changed bit. + * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit * @vport: lpfc vport structure pointer. * @val: contains the tmo value. * @@ -2094,7 +2094,7 @@ MODULE_PARM_DESC(lpfc_restrict_login, lpfc_vport_param_show(restrict_login); /** - * lpfc_restrict_login_init: Set the vport restrict login flag. + * lpfc_restrict_login_init - Set the vport restrict login flag * @vport: lpfc vport structure pointer. * @val: contains the restrict login value. * @@ -2128,7 +2128,7 @@ lpfc_restrict_login_init(struct lpfc_vport *vport, int val) } /** - * lpfc_restrict_login_set: Set the vport restrict login flag. + * lpfc_restrict_login_set - Set the vport restrict login flag * @vport: lpfc vport structure pointer. * @val: contains the restrict login value. * @@ -2201,7 +2201,7 @@ LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, */ /** - * lpfc_topology_set: Set the adapters topology field. + * lpfc_topology_set - Set the adapters topology field * @phba: lpfc_hba pointer. * @val: topology value. * @@ -2216,18 +2216,41 @@ LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, * non-zero return value from lpfc_issue_lip() * -EINVAL val out of range **/ -static int -lpfc_topology_set(struct lpfc_hba *phba, int val) +static ssize_t +lpfc_topology_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + struct Scsi_Host *shost = class_to_shost(dev); + struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; + struct lpfc_hba *phba = vport->phba; + int val = 0; + int nolip = 0; + const char *val_buf = buf; int err; uint32_t prev_val; + + if (!strncmp(buf, "nolip ", strlen("nolip "))) { + nolip = 1; + val_buf = &buf[strlen("nolip ")]; + } + + if (!isdigit(val_buf[0])) + return -EINVAL; + if (sscanf(val_buf, "%i", &val) != 1) + return -EINVAL; + if (val >= 0 && val <= 6) { prev_val = phba->cfg_topology; phba->cfg_topology = val; + if (nolip) + return strlen(buf); + err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); - if (err) + if (err) { phba->cfg_topology = prev_val; - return err; + return -EINVAL; + } else + return strlen(buf); } lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "%d:0467 lpfc_topology attribute cannot be set to %d, " @@ -2240,14 +2263,12 @@ module_param(lpfc_topology, int, 0); MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology"); lpfc_param_show(topology) lpfc_param_init(topology, 0, 0, 6) -lpfc_param_store(topology) static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, lpfc_topology_show, lpfc_topology_store); /** - * lpfc_stat_data_ctrl_store: write call back for lpfc_stat_data_ctrl - * sysfs file. + * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file * @dev: Pointer to class device. * @buf: Data buffer. * @count: Size of the data buffer. @@ -2282,7 +2303,7 @@ lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, unsigned long base, step, bucket_type; if (!strncmp(buf, "setbucket", strlen("setbucket"))) { - if (strlen(buf) > LPFC_MAX_DATA_CTRL_LEN) + if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1)) return -EINVAL; strcpy(bucket_data, buf); @@ -2411,8 +2432,7 @@ lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, /** - * lpfc_stat_data_ctrl_show: Read callback function for - * lpfc_stat_data_ctrl sysfs file. + * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file * @dev: Pointer to class device object. * @buf: Data buffer. * @@ -2489,8 +2509,7 @@ static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR, /** - * sysfs_drvr_stat_data_read: Read callback function for lpfc_drvr_stat_data - * sysfs attribute. + * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute * @kobj: Pointer to the kernel object * @bin_attr: Attribute object * @buff: Buffer pointer @@ -2585,7 +2604,7 @@ static struct bin_attribute sysfs_drvr_stat_data_attr = { */ /** - * lpfc_link_speed_set: Set the adapters link speed. + * lpfc_link_speed_set - Set the adapters link speed * @phba: lpfc_hba pointer. * @val: link speed value. * @@ -2601,12 +2620,29 @@ static struct bin_attribute sysfs_drvr_stat_data_attr = { * non-zero return value from lpfc_issue_lip() * -EINVAL val out of range **/ -static int -lpfc_link_speed_set(struct lpfc_hba *phba, int val) +static ssize_t +lpfc_link_speed_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + struct Scsi_Host *shost = class_to_shost(dev); + struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; + struct lpfc_hba *phba = vport->phba; + int val = 0; + int nolip = 0; + const char *val_buf = buf; int err; uint32_t prev_val; + if (!strncmp(buf, "nolip ", strlen("nolip "))) { + nolip = 1; + val_buf = &buf[strlen("nolip ")]; + } + + if (!isdigit(val_buf[0])) + return -EINVAL; + if (sscanf(val_buf, "%i", &val) != 1) + return -EINVAL; + if (((val == LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || ((val == LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || ((val == LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || @@ -2614,14 +2650,19 @@ lpfc_link_speed_set(struct lpfc_hba *phba, int val) ((val == LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb))) return -EINVAL; - if ((val >= 0 && val <= LPFC_MAX_LINK_SPEED) + if ((val >= 0 && val <= 8) && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { prev_val = phba->cfg_link_speed; phba->cfg_link_speed = val; + if (nolip) + return strlen(buf); + err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); - if (err) + if (err) { phba->cfg_link_speed = prev_val; - return err; + return -EINVAL; + } else + return strlen(buf); } lpfc_printf_log(phba, KERN_ERR, LOG_INIT, @@ -2637,7 +2678,7 @@ MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); lpfc_param_show(link_speed) /** - * lpfc_link_speed_init: Set the adapters link speed. + * lpfc_link_speed_init - Set the adapters link speed * @phba: lpfc_hba pointer. * @val: link speed value. * @@ -2668,7 +2709,6 @@ lpfc_link_speed_init(struct lpfc_hba *phba, int val) return -EINVAL; } -lpfc_param_store(link_speed) static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR, lpfc_link_speed_show, lpfc_link_speed_store); @@ -2865,7 +2905,7 @@ MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type"); /* - * lpfc_sg_seg_cnt: Initial Maximum DMA Segment Count + * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count * This value can be set to values between 64 and 256. The default value is * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE). @@ -2967,7 +3007,7 @@ struct device_attribute *lpfc_vport_attrs[] = { }; /** - * sysfs_ctlreg_write: Write method for writing to ctlreg. + * sysfs_ctlreg_write - Write method for writing to ctlreg * @kobj: kernel kobject that contains the kernel class device. * @bin_attr: kernel attributes passed to us. * @buf: contains the data to be written to the adapter IOREG space. @@ -3017,7 +3057,7 @@ sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr, } /** - * sysfs_ctlreg_read: Read method for reading from ctlreg. + * sysfs_ctlreg_read - Read method for reading from ctlreg * @kobj: kernel kobject that contains the kernel class device. * @bin_attr: kernel attributes passed to us. * @buf: if succesful contains the data from the adapter IOREG space. @@ -3078,7 +3118,7 @@ static struct bin_attribute sysfs_ctlreg_attr = { }; /** - * sysfs_mbox_idle: frees the sysfs mailbox. + * sysfs_mbox_idle - frees the sysfs mailbox * @phba: lpfc_hba pointer **/ static void @@ -3095,7 +3135,7 @@ sysfs_mbox_idle(struct lpfc_hba *phba) } /** - * sysfs_mbox_write: Write method for writing information via mbox. + * sysfs_mbox_write - Write method for writing information via mbox * @kobj: kernel kobject that contains the kernel class device. * @bin_attr: kernel attributes passed to us. * @buf: contains the data to be written to sysfs mbox. @@ -3170,7 +3210,7 @@ sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr, } /** - * sysfs_mbox_read: Read method for reading information via mbox. + * sysfs_mbox_read - Read method for reading information via mbox * @kobj: kernel kobject that contains the kernel class device. * @bin_attr: kernel attributes passed to us. * @buf: contains the data to be read from sysfs mbox. @@ -3374,7 +3414,7 @@ static struct bin_attribute sysfs_mbox_attr = { }; /** - * lpfc_alloc_sysfs_attr: Creates the ctlreg and mbox entries. + * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries * @vport: address of lpfc vport structure. * * Return codes: @@ -3415,7 +3455,7 @@ out: } /** - * lpfc_free_sysfs_attr: Removes the ctlreg and mbox entries. + * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries * @vport: address of lpfc vport structure. **/ void @@ -3437,7 +3477,7 @@ lpfc_free_sysfs_attr(struct lpfc_vport *vport) */ /** - * lpfc_get_host_port_id: Copy the vport DID into the scsi host port id. + * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id * @shost: kernel scsi host pointer. **/ static void @@ -3450,7 +3490,7 @@ lpfc_get_host_port_id(struct Scsi_Host *shost) } /** - * lpfc_get_host_port_type: Set the value of the scsi host port type. + * lpfc_get_host_port_type - Set the value of the scsi host port type * @shost: kernel scsi host pointer. **/ static void @@ -3482,7 +3522,7 @@ lpfc_get_host_port_type(struct Scsi_Host *shost) } /** - * lpfc_get_host_port_state: Set the value of the scsi host port state. + * lpfc_get_host_port_state - Set the value of the scsi host port state * @shost: kernel scsi host pointer. **/ static void @@ -3520,7 +3560,7 @@ lpfc_get_host_port_state(struct Scsi_Host *shost) } /** - * lpfc_get_host_speed: Set the value of the scsi host speed. + * lpfc_get_host_speed - Set the value of the scsi host speed * @shost: kernel scsi host pointer. **/ static void @@ -3556,7 +3596,7 @@ lpfc_get_host_speed(struct Scsi_Host *shost) } /** - * lpfc_get_host_fabric_name: Set the value of the scsi host fabric name. + * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name * @shost: kernel scsi host pointer. **/ static void @@ -3582,7 +3622,7 @@ lpfc_get_host_fabric_name (struct Scsi_Host *shost) } /** - * lpfc_get_stats: Return statistical information about the adapter. + * lpfc_get_stats - Return statistical information about the adapter * @shost: kernel scsi host pointer. * * Notes: @@ -3707,7 +3747,7 @@ lpfc_get_stats(struct Scsi_Host *shost) } /** - * lpfc_reset_stats: Copy the adapter link stats information. + * lpfc_reset_stats - Copy the adapter link stats information * @shost: kernel scsi host pointer. **/ static void @@ -3788,7 +3828,7 @@ lpfc_reset_stats(struct Scsi_Host *shost) */ /** - * lpfc_get_node_by_target: Return the nodelist for a target. + * lpfc_get_node_by_target - Return the nodelist for a target * @starget: kernel scsi target pointer. * * Returns: @@ -3817,7 +3857,7 @@ lpfc_get_node_by_target(struct scsi_target *starget) } /** - * lpfc_get_starget_port_id: Set the target port id to the ndlp DID or -1. + * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1 * @starget: kernel scsi target pointer. **/ static void @@ -3829,7 +3869,7 @@ lpfc_get_starget_port_id(struct scsi_target *starget) } /** - * lpfc_get_starget_node_name: Set the target node name. + * lpfc_get_starget_node_name - Set the target node name * @starget: kernel scsi target pointer. * * Description: Set the target node name to the ndlp node name wwn or zero. @@ -3844,7 +3884,7 @@ lpfc_get_starget_node_name(struct scsi_target *starget) } /** - * lpfc_get_starget_port_name: Set the target port name. + * lpfc_get_starget_port_name - Set the target port name * @starget: kernel scsi target pointer. * * Description: set the target port name to the ndlp port name wwn or zero. @@ -3859,7 +3899,7 @@ lpfc_get_starget_port_name(struct scsi_target *starget) } /** - * lpfc_set_rport_loss_tmo: Set the rport dev loss tmo. + * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo * @rport: fc rport address. * @timeout: new value for dev loss tmo. * @@ -3877,7 +3917,7 @@ lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) } /** - * lpfc_rport_show_function: Return rport target information. + * lpfc_rport_show_function - Return rport target information * * Description: * Macro that uses field to generate a function with the name lpfc_show_rport_ @@ -3905,7 +3945,7 @@ lpfc_show_rport_##field (struct device *dev, \ static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) /** - * lpfc_set_vport_symbolic_name: Set the vport's symbolic name. + * lpfc_set_vport_symbolic_name - Set the vport's symbolic name * @fc_vport: The fc_vport who's symbolic name has been changed. * * Description: @@ -4048,7 +4088,7 @@ struct fc_function_template lpfc_vport_transport_functions = { }; /** - * lpfc_get_cfgparam: Used during probe_one to init the adapter structure. + * lpfc_get_cfgparam - Used during probe_one to init the adapter structure * @phba: lpfc_hba pointer. **/ void @@ -4097,7 +4137,7 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) } /** - * lpfc_get_vport_cfgparam: Used during port create, init the vport structure. + * lpfc_get_vport_cfgparam - Used during port create, init the vport structure * @vport: lpfc_vport pointer. **/ void diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 07f4976319a5..f88ce3f26190 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -184,6 +184,8 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba *); struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *); void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *); uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *); +void lpfc_sli_cancel_iocbs(struct lpfc_hba *, struct list_head *, uint32_t, + uint32_t); void lpfc_reset_barrier(struct lpfc_hba * phba); int lpfc_sli_brdready(struct lpfc_hba *, uint32_t); diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index 81cdcf46c471..52be5644e07a 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -47,7 +47,7 @@ #include "lpfc_debugfs.h" #ifdef CONFIG_SCSI_LPFC_DEBUG_FS -/** +/* * debugfs interface * * To access this interface the user should: @@ -95,7 +95,7 @@ module_param(lpfc_debugfs_max_slow_ring_trc, int, 0); MODULE_PARM_DESC(lpfc_debugfs_max_slow_ring_trc, "Set debugfs slow ring trace depth"); -int lpfc_debugfs_mask_disc_trc; +static int lpfc_debugfs_mask_disc_trc; module_param(lpfc_debugfs_mask_disc_trc, int, 0); MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc, "Set debugfs discovery trace mask"); @@ -127,7 +127,7 @@ static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0); static unsigned long lpfc_debugfs_start_time = 0L; /** - * lpfc_debugfs_disc_trc_data - Dump discovery logging to a buffer. + * lpfc_debugfs_disc_trc_data - Dump discovery logging to a buffer * @vport: The vport to gather the log info from. * @buf: The buffer to dump log into. * @size: The maximum amount of data to process. @@ -187,7 +187,7 @@ lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size) } /** - * lpfc_debugfs_slow_ring_trc_data - Dump slow ring logging to a buffer. + * lpfc_debugfs_slow_ring_trc_data - Dump slow ring logging to a buffer * @phba: The HBA to gather the log info from. * @buf: The buffer to dump log into. * @size: The maximum amount of data to process. @@ -250,7 +250,7 @@ lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size) static int lpfc_debugfs_last_hbq = -1; /** - * lpfc_debugfs_hbqinfo_data - Dump host buffer queue info to a buffer. + * lpfc_debugfs_hbqinfo_data - Dump host buffer queue info to a buffer * @phba: The HBA to gather host buffer info from. * @buf: The buffer to dump log into. * @size: The maximum amount of data to process. @@ -369,7 +369,7 @@ skipit: static int lpfc_debugfs_last_hba_slim_off; /** - * lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer. + * lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer * @phba: The HBA to gather SLIM info from. * @buf: The buffer to dump log into. * @size: The maximum amount of data to process. @@ -399,8 +399,7 @@ lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size) len += snprintf(buf+len, size-len, "HBA SLIM\n"); lpfc_memcpy_from_slim(buffer, - ((uint8_t *)phba->MBslimaddr) + lpfc_debugfs_last_hba_slim_off, - 1024); + phba->MBslimaddr + lpfc_debugfs_last_hba_slim_off, 1024); ptr = (uint32_t *)&buffer[0]; off = lpfc_debugfs_last_hba_slim_off; @@ -426,7 +425,7 @@ lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size) } /** - * lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer. + * lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer * @phba: The HBA to gather Host SLIM info from. * @buf: The buffer to dump log into. * @size: The maximum amount of data to process. @@ -501,7 +500,7 @@ lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size) } /** - * lpfc_debugfs_nodelist_data - Dump target node list to a buffer. + * lpfc_debugfs_nodelist_data - Dump target node list to a buffer * @vport: The vport to gather target node info from. * @buf: The buffer to dump log into. * @size: The maximum amount of data to process. @@ -599,7 +598,7 @@ lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size) #endif /** - * lpfc_debugfs_disc_trc - Store discovery trace log. + * lpfc_debugfs_disc_trc - Store discovery trace log * @vport: The vport to associate this trace string with for retrieval. * @mask: Log entry classification. * @fmt: Format string to be displayed when dumping the log. @@ -643,7 +642,7 @@ lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt, } /** - * lpfc_debugfs_slow_ring_trc - Store slow ring trace log. + * lpfc_debugfs_slow_ring_trc - Store slow ring trace log * @phba: The phba to associate this trace string with for retrieval. * @fmt: Format string to be displayed when dumping the log. * @data1: 1st data parameter to be applied to @fmt. @@ -682,7 +681,7 @@ lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt, #ifdef CONFIG_SCSI_LPFC_DEBUG_FS /** - * lpfc_debugfs_disc_trc_open - Open the discovery trace log. + * lpfc_debugfs_disc_trc_open - Open the discovery trace log * @inode: The inode pointer that contains a vport pointer. * @file: The file pointer to attach the log output. * @@ -732,7 +731,7 @@ out: } /** - * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log. + * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log * @inode: The inode pointer that contains a vport pointer. * @file: The file pointer to attach the log output. * @@ -782,7 +781,7 @@ out: } /** - * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer. + * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer * @inode: The inode pointer that contains a vport pointer. * @file: The file pointer to attach the log output. * @@ -824,7 +823,7 @@ out: } /** - * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer. + * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer * @inode: The inode pointer that contains a vport pointer. * @file: The file pointer to attach the log output. * @@ -866,7 +865,7 @@ out: } /** - * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer. + * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer * @inode: The inode pointer that contains a vport pointer. * @file: The file pointer to attach the log output. * @@ -993,7 +992,7 @@ lpfc_debugfs_dumpDataDif_write(struct file *file, const char __user *buf, /** - * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file. + * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file * @inode: The inode pointer that contains a vport pointer. * @file: The file pointer to attach the log output. * @@ -1035,7 +1034,7 @@ out: } /** - * lpfc_debugfs_lseek - Seek through a debugfs file. + * lpfc_debugfs_lseek - Seek through a debugfs file * @file: The file pointer to seek through. * @off: The offset to seek to or the amount to seek by. * @whence: Indicates how to seek. @@ -1073,7 +1072,7 @@ lpfc_debugfs_lseek(struct file *file, loff_t off, int whence) } /** - * lpfc_debugfs_read - Read a debugfs file. + * lpfc_debugfs_read - Read a debugfs file * @file: The file pointer to read from. * @buf: The buffer to copy the data to. * @nbytes: The number of bytes to read. @@ -1098,7 +1097,7 @@ lpfc_debugfs_read(struct file *file, char __user *buf, } /** - * lpfc_debugfs_release - Release the buffer used to store debugfs file data. + * lpfc_debugfs_release - Release the buffer used to store debugfs file data * @inode: The inode pointer that contains a vport pointer. (unused) * @file: The file pointer that contains the buffer to release. * @@ -1210,7 +1209,7 @@ static atomic_t lpfc_debugfs_hba_count; #endif /** - * lpfc_debugfs_initialize - Initialize debugfs for a vport. + * lpfc_debugfs_initialize - Initialize debugfs for a vport * @vport: The vport pointer to initialize. * * Description: @@ -1434,7 +1433,7 @@ debug_failed: } /** - * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport. + * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport * @vport: The vport pointer to remove from debugfs. * * Description: diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h index f29e548a90d1..ffd108972072 100644 --- a/drivers/scsi/lpfc/lpfc_disc.h +++ b/drivers/scsi/lpfc/lpfc_disc.h @@ -99,6 +99,7 @@ struct lpfc_nodelist { #define NLP_USG_FREE_ACK_BIT 0x8 /* Indicate ndlp memory free invoked */ struct timer_list nlp_delayfunc; /* Used for delayed ELS cmds */ + struct lpfc_hba *phba; struct fc_rport *rport; /* Corresponding FC transport port structure */ struct lpfc_vport *vport; diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index a7302480bc4a..b8b34cf5c3d2 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -55,7 +55,7 @@ static void lpfc_register_new_vport(struct lpfc_hba *phba, static int lpfc_max_els_tries = 3; /** - * lpfc_els_chk_latt: Check host link attention event for a vport. + * lpfc_els_chk_latt - Check host link attention event for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine checks whether there is an outstanding host link @@ -116,7 +116,7 @@ lpfc_els_chk_latt(struct lpfc_vport *vport) } /** - * lpfc_prep_els_iocb: Allocate and prepare a lpfc iocb data structure. + * lpfc_prep_els_iocb - Allocate and prepare a lpfc iocb data structure * @vport: pointer to a host virtual N_Port data structure. * @expectRsp: flag indicating whether response is expected. * @cmdSize: size of the ELS command. @@ -290,7 +290,7 @@ els_iocb_free_pcmb_exit: } /** - * lpfc_issue_fabric_reglogin: Issue fabric registration login for a vport. + * lpfc_issue_fabric_reglogin - Issue fabric registration login for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine issues a fabric registration login for a @vport. An @@ -386,7 +386,7 @@ fail: } /** - * lpfc_cmpl_els_flogi_fabric: Completion function for flogi to a fabric port. + * lpfc_cmpl_els_flogi_fabric - Completion function for flogi to a fabric port * @vport: pointer to a host virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @sp: pointer to service parameter data structure. @@ -509,7 +509,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } /** - * lpfc_cmpl_els_flogi_nport: Completion function for flogi to an N_Port. + * lpfc_cmpl_els_flogi_nport - Completion function for flogi to an N_Port * @vport: pointer to a host virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @sp: pointer to service parameter data structure. @@ -626,7 +626,7 @@ fail: } /** - * lpfc_cmpl_els_flogi: Completion callback function for flogi. + * lpfc_cmpl_els_flogi - Completion callback function for flogi * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -751,7 +751,7 @@ out: } /** - * lpfc_issue_els_flogi: Issue an flogi iocb command for a vport. + * lpfc_issue_els_flogi - Issue an flogi iocb command for a vport * @vport: pointer to a host virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @retry: number of retries to the command IOCB. @@ -849,7 +849,7 @@ lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } /** - * lpfc_els_abort_flogi: Abort all outstanding flogi iocbs. + * lpfc_els_abort_flogi - Abort all outstanding flogi iocbs * @phba: pointer to lpfc hba data structure. * * This routine aborts all the outstanding Fabric Login (FLOGI) IOCBs @@ -898,7 +898,7 @@ lpfc_els_abort_flogi(struct lpfc_hba *phba) } /** - * lpfc_initial_flogi: Issue an initial fabric login for a vport. + * lpfc_initial_flogi - Issue an initial fabric login for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine issues an initial Fabric Login (FLOGI) for the @vport @@ -949,7 +949,7 @@ lpfc_initial_flogi(struct lpfc_vport *vport) } /** - * lpfc_initial_fdisc: Issue an initial fabric discovery for a vport. + * lpfc_initial_fdisc - Issue an initial fabric discovery for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine issues an initial Fabric Discover (FDISC) for the @vport @@ -998,7 +998,7 @@ lpfc_initial_fdisc(struct lpfc_vport *vport) } /** - * lpfc_more_plogi: Check and issue remaining plogis for a vport. + * lpfc_more_plogi - Check and issue remaining plogis for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine checks whether there are more remaining Port Logins @@ -1031,7 +1031,7 @@ lpfc_more_plogi(struct lpfc_vport *vport) } /** - * lpfc_plogi_confirm_nport: Confirm pologi wwpn matches stored ndlp. + * lpfc_plogi_confirm_nport - Confirm pologi wwpn matches stored ndlp * @phba: pointer to lpfc hba data structure. * @prsp: pointer to response IOCB payload. * @ndlp: pointer to a node-list data structure. @@ -1165,7 +1165,7 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, } /** - * lpfc_end_rscn: Check and handle more rscn for a vport. + * lpfc_end_rscn - Check and handle more rscn for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine checks whether more Registration State Change @@ -1197,7 +1197,7 @@ lpfc_end_rscn(struct lpfc_vport *vport) } /** - * lpfc_cmpl_els_plogi: Completion callback function for plogi. + * lpfc_cmpl_els_plogi - Completion callback function for plogi * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -1322,7 +1322,7 @@ out: } /** - * lpfc_issue_els_plogi: Issue an plogi iocb command for a vport. + * lpfc_issue_els_plogi - Issue an plogi iocb command for a vport * @vport: pointer to a host virtual N_Port data structure. * @did: destination port identifier. * @retry: number of retries to the command IOCB. @@ -1401,7 +1401,7 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) } /** - * lpfc_cmpl_els_prli: Completion callback function for prli. + * lpfc_cmpl_els_prli - Completion callback function for prli * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -1472,7 +1472,7 @@ out: } /** - * lpfc_issue_els_prli: Issue a prli iocb command for a vport. + * lpfc_issue_els_prli - Issue a prli iocb command for a vport * @vport: pointer to a host virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @retry: number of retries to the command IOCB. @@ -1562,7 +1562,7 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } /** - * lpfc_rscn_disc: Perform rscn discovery for a vport. + * lpfc_rscn_disc - Perform rscn discovery for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine performs Registration State Change Notification (RSCN) @@ -1588,7 +1588,7 @@ lpfc_rscn_disc(struct lpfc_vport *vport) } /** - * lpfc_adisc_done: Complete the adisc phase of discovery. + * lpfc_adisc_done - Complete the adisc phase of discovery * @vport: pointer to lpfc_vport hba data structure that finished all ADISCs. * * This function is called when the final ADISC is completed during discovery. @@ -1639,7 +1639,7 @@ lpfc_adisc_done(struct lpfc_vport *vport) } /** - * lpfc_more_adisc: Issue more adisc as needed. + * lpfc_more_adisc - Issue more adisc as needed * @vport: pointer to a host virtual N_Port data structure. * * This routine determines whether there are more ndlps on a @vport @@ -1672,7 +1672,7 @@ lpfc_more_adisc(struct lpfc_vport *vport) } /** - * lpfc_cmpl_els_adisc: Completion callback function for adisc. + * lpfc_cmpl_els_adisc - Completion callback function for adisc * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -1760,7 +1760,7 @@ out: } /** - * lpfc_issue_els_adisc: Issue an address discover iocb to an node on a vport. + * lpfc_issue_els_adisc - Issue an address discover iocb to an node on a vport * @vport: pointer to a virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @retry: number of retries to the command IOCB. @@ -1833,7 +1833,7 @@ lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } /** - * lpfc_cmpl_els_logo: Completion callback function for logo. + * lpfc_cmpl_els_logo - Completion callback function for logo * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -1910,7 +1910,7 @@ out: } /** - * lpfc_issue_els_logo: Issue a logo to an node on a vport. + * lpfc_issue_els_logo - Issue a logo to an node on a vport * @vport: pointer to a virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @retry: number of retries to the command IOCB. @@ -1991,7 +1991,7 @@ lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } /** - * lpfc_cmpl_els_cmd: Completion callback function for generic els command. + * lpfc_cmpl_els_cmd - Completion callback function for generic els command * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -2031,7 +2031,7 @@ lpfc_cmpl_els_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_issue_els_scr: Issue a scr to an node on a vport. + * lpfc_issue_els_scr - Issue a scr to an node on a vport * @vport: pointer to a host virtual N_Port data structure. * @nportid: N_Port identifier to the remote node. * @retry: number of retries to the command IOCB. @@ -2125,7 +2125,7 @@ lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) } /** - * lpfc_issue_els_farpr: Issue a farp to an node on a vport. + * lpfc_issue_els_farpr - Issue a farp to an node on a vport * @vport: pointer to a host virtual N_Port data structure. * @nportid: N_Port identifier to the remote node. * @retry: number of retries to the command IOCB. @@ -2236,7 +2236,7 @@ lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) } /** - * lpfc_cancel_retry_delay_tmo: Cancel the timer with delayed iocb-cmd retry. + * lpfc_cancel_retry_delay_tmo - Cancel the timer with delayed iocb-cmd retry * @vport: pointer to a host virtual N_Port data structure. * @nlp: pointer to a node-list data structure. * @@ -2291,7 +2291,7 @@ lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) } /** - * lpfc_els_retry_delay: Timer function with a ndlp delayed function timer. + * lpfc_els_retry_delay - Timer function with a ndlp delayed function timer * @ptr: holder for the pointer to the timer function associated data (ndlp). * * This routine is invoked by the ndlp delayed-function timer to check @@ -2333,7 +2333,7 @@ lpfc_els_retry_delay(unsigned long ptr) } /** - * lpfc_els_retry_delay_handler: Work thread handler for ndlp delayed function. + * lpfc_els_retry_delay_handler - Work thread handler for ndlp delayed function * @ndlp: pointer to a node-list data structure. * * This routine is the worker-thread handler for processing the @ndlp delayed @@ -2404,7 +2404,7 @@ lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) } /** - * lpfc_els_retry: Make retry decision on an els command iocb. + * lpfc_els_retry - Make retry decision on an els command iocb * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -2732,7 +2732,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_free_data: Free lpfc dma buffer and data structure with an iocb. + * lpfc_els_free_data - Free lpfc dma buffer and data structure with an iocb * @phba: pointer to lpfc hba data structure. * @buf_ptr1: pointer to the lpfc DMA buffer data structure. * @@ -2764,7 +2764,7 @@ lpfc_els_free_data(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr1) } /** - * lpfc_els_free_bpl: Free lpfc dma buffer and data structure with bpl. + * lpfc_els_free_bpl - Free lpfc dma buffer and data structure with bpl * @phba: pointer to lpfc hba data structure. * @buf_ptr: pointer to the lpfc dma buffer data structure. * @@ -2784,7 +2784,7 @@ lpfc_els_free_bpl(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr) } /** - * lpfc_els_free_iocb: Free a command iocb and its associated resources. + * lpfc_els_free_iocb - Free a command iocb and its associated resources * @phba: pointer to lpfc hba data structure. * @elsiocb: pointer to lpfc els command iocb data structure. * @@ -2877,7 +2877,7 @@ lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) } /** - * lpfc_cmpl_els_logo_acc: Completion callback function to logo acc response. + * lpfc_cmpl_els_logo_acc - Completion callback function to logo acc response * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -2931,7 +2931,7 @@ lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_mbx_cmpl_dflt_rpi: Completion callbk func for unreg dflt rpi mbox cmd. + * lpfc_mbx_cmpl_dflt_rpi - Completion callbk func for unreg dflt rpi mbox cmd * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -2965,7 +2965,7 @@ lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_cmpl_els_rsp: Completion callback function for els response iocb cmd. + * lpfc_cmpl_els_rsp - Completion callback function for els response iocb cmd * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -3136,7 +3136,7 @@ out: } /** - * lpfc_els_rsp_acc: Prepare and issue an acc response iocb command. + * lpfc_els_rsp_acc - Prepare and issue an acc response iocb command * @vport: pointer to a host virtual N_Port data structure. * @flag: the els command code to be accepted. * @oldiocb: pointer to the original lpfc command iocb data structure. @@ -3275,7 +3275,7 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, } /** - * lpfc_els_rsp_reject: Propare and issue a rjt response iocb command. + * lpfc_els_rsp_reject - Propare and issue a rjt response iocb command * @vport: pointer to a virtual N_Port data structure. * @rejectError: * @oldiocb: pointer to the original lpfc command iocb data structure. @@ -3356,7 +3356,7 @@ lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, } /** - * lpfc_els_rsp_adisc_acc: Prepare and issue acc response to adisc iocb cmd. + * lpfc_els_rsp_adisc_acc - Prepare and issue acc response to adisc iocb cmd * @vport: pointer to a virtual N_Port data structure. * @oldiocb: pointer to the original lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -3431,7 +3431,7 @@ lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, } /** - * lpfc_els_rsp_prli_acc: Prepare and issue acc response to prli iocb cmd. + * lpfc_els_rsp_prli_acc - Prepare and issue acc response to prli iocb cmd * @vport: pointer to a virtual N_Port data structure. * @oldiocb: pointer to the original lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -3529,7 +3529,7 @@ lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, } /** - * lpfc_els_rsp_rnid_acc: Issue rnid acc response iocb command. + * lpfc_els_rsp_rnid_acc - Issue rnid acc response iocb command * @vport: pointer to a virtual N_Port data structure. * @format: rnid command format. * @oldiocb: pointer to the original lpfc command iocb data structure. @@ -3635,7 +3635,7 @@ lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format, } /** - * lpfc_els_disc_adisc: Issue remaining adisc iocbs to npr nodes of a vport. + * lpfc_els_disc_adisc - Issue remaining adisc iocbs to npr nodes of a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine issues Address Discover (ADISC) ELS commands to those @@ -3693,7 +3693,7 @@ lpfc_els_disc_adisc(struct lpfc_vport *vport) } /** - * lpfc_els_disc_plogi: Issue plogi for all npr nodes of a vport before adisc. + * lpfc_els_disc_plogi - Issue plogi for all npr nodes of a vport before adisc * @vport: pointer to a host virtual N_Port data structure. * * This routine issues Port Login (PLOGI) ELS commands to all the N_Ports @@ -3752,7 +3752,7 @@ lpfc_els_disc_plogi(struct lpfc_vport *vport) } /** - * lpfc_els_flush_rscn: Clean up any rscn activities with a vport. + * lpfc_els_flush_rscn - Clean up any rscn activities with a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine cleans up any Registration State Change Notification @@ -3791,7 +3791,7 @@ lpfc_els_flush_rscn(struct lpfc_vport *vport) } /** - * lpfc_rscn_payload_check: Check whether there is a pending rscn to a did. + * lpfc_rscn_payload_check - Check whether there is a pending rscn to a did * @vport: pointer to a host virtual N_Port data structure. * @did: remote destination port identifier. * @@ -3866,7 +3866,7 @@ return_did_out: } /** - * lpfc_rscn_recovery_check: Send recovery event to vport nodes matching rscn + * lpfc_rscn_recovery_check - Send recovery event to vport nodes matching rscn * @vport: pointer to a host virtual N_Port data structure. * * This routine sends recovery (NLP_EVT_DEVICE_RECOVERY) event to the @@ -3895,7 +3895,7 @@ lpfc_rscn_recovery_check(struct lpfc_vport *vport) } /** - * lpfc_send_rscn_event: Send an RSCN event to management application. + * lpfc_send_rscn_event - Send an RSCN event to management application * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @@ -3938,7 +3938,7 @@ lpfc_send_rscn_event(struct lpfc_vport *vport, } /** - * lpfc_els_rcv_rscn: Process an unsolicited rscn iocb. + * lpfc_els_rcv_rscn - Process an unsolicited rscn iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4134,7 +4134,7 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_handle_rscn: Handle rscn for a vport. + * lpfc_els_handle_rscn - Handle rscn for a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine handles the Registration State Configuration Notification @@ -4222,7 +4222,7 @@ lpfc_els_handle_rscn(struct lpfc_vport *vport) } /** - * lpfc_els_rcv_flogi: Process an unsolicited flogi iocb. + * lpfc_els_rcv_flogi - Process an unsolicited flogi iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4336,7 +4336,7 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_rcv_rnid: Process an unsolicited rnid iocb. + * lpfc_els_rcv_rnid - Process an unsolicited rnid iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4391,7 +4391,7 @@ lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_rcv_lirr: Process an unsolicited lirr iocb. + * lpfc_els_rcv_lirr - Process an unsolicited lirr iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4419,7 +4419,7 @@ lpfc_els_rcv_lirr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_rsp_rps_acc: Completion callbk func for MBX_READ_LNK_STAT mbox cmd. + * lpfc_els_rsp_rps_acc - Completion callbk func for MBX_READ_LNK_STAT mbox cmd * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -4513,7 +4513,7 @@ lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_els_rcv_rps: Process an unsolicited rps iocb. + * lpfc_els_rcv_rps - Process an unsolicited rps iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4590,7 +4590,7 @@ reject_out: } /** - * lpfc_els_rsp_rpl_acc: Issue an accept rpl els command. + * lpfc_els_rsp_rpl_acc - Issue an accept rpl els command * @vport: pointer to a host virtual N_Port data structure. * @cmdsize: size of the ELS command. * @oldiocb: pointer to the original lpfc command iocb data structure. @@ -4662,7 +4662,7 @@ lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize, } /** - * lpfc_els_rcv_rpl: Process an unsolicited rpl iocb. + * lpfc_els_rcv_rpl - Process an unsolicited rpl iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4721,7 +4721,7 @@ lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_rcv_farp: Process an unsolicited farp request els command. + * lpfc_els_rcv_farp - Process an unsolicited farp request els command * @vport: pointer to a virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4804,7 +4804,7 @@ lpfc_els_rcv_farp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_rcv_farpr: Process an unsolicited farp response iocb. + * lpfc_els_rcv_farpr - Process an unsolicited farp response iocb * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. @@ -4842,7 +4842,7 @@ lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_rcv_fan: Process an unsolicited fan iocb command. + * lpfc_els_rcv_fan - Process an unsolicited fan iocb command * @vport: pointer to a host virtual N_Port data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @fan_ndlp: pointer to a node-list data structure. @@ -4890,7 +4890,7 @@ lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_els_timeout: Handler funciton to the els timer. + * lpfc_els_timeout - Handler funciton to the els timer * @ptr: holder for the timer function associated data. * * This routine is invoked by the ELS timer after timeout. It posts the ELS @@ -4919,7 +4919,7 @@ lpfc_els_timeout(unsigned long ptr) } /** - * lpfc_els_timeout_handler: Process an els timeout event. + * lpfc_els_timeout_handler - Process an els timeout event * @vport: pointer to a virtual N_Port data structure. * * This routine is the actual handler function that processes an ELS timeout @@ -4994,7 +4994,7 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport) } /** - * lpfc_els_flush_cmd: Clean up the outstanding els commands to a vport. + * lpfc_els_flush_cmd - Clean up the outstanding els commands to a vport * @vport: pointer to a host virtual N_Port data structure. * * This routine is used to clean up all the outstanding ELS commands on a @@ -5058,25 +5058,15 @@ lpfc_els_flush_cmd(struct lpfc_vport *vport) } spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - piocb = list_get_first(&completions, struct lpfc_iocbq, list); - cmd = &piocb->iocb; - list_del_init(&piocb->list); - - if (!piocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, piocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (piocb->iocb_cmpl) (phba, piocb, piocb); - } - } + /* Cancell all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); return; } /** - * lpfc_els_flush_all_cmd: Clean up all the outstanding els commands to a HBA. + * lpfc_els_flush_all_cmd - Clean up all the outstanding els commands to a HBA * @phba: pointer to lpfc hba data structure. * * This routine is used to clean up all the outstanding ELS commands on a @@ -5121,23 +5111,16 @@ lpfc_els_flush_all_cmd(struct lpfc_hba *phba) lpfc_sli_issue_abort_iotag(phba, pring, piocb); } spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - piocb = list_get_first(&completions, struct lpfc_iocbq, list); - cmd = &piocb->iocb; - list_del_init(&piocb->list); - if (!piocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, piocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (piocb->iocb_cmpl) (phba, piocb, piocb); - } - } + + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); + return; } /** - * lpfc_send_els_failure_event: Posts an ELS command failure event. + * lpfc_send_els_failure_event - Posts an ELS command failure event * @phba: Pointer to hba context object. * @cmdiocbp: Pointer to command iocb which reported error. * @rspiocbp: Pointer to response iocb which reported error. @@ -5204,7 +5187,7 @@ lpfc_send_els_failure_event(struct lpfc_hba *phba, } /** - * lpfc_send_els_event: Posts unsolicited els event. + * lpfc_send_els_event - Posts unsolicited els event * @vport: Pointer to vport object. * @ndlp: Pointer FC node object. * @cmd: ELS command code. @@ -5284,7 +5267,7 @@ lpfc_send_els_event(struct lpfc_vport *vport, /** - * lpfc_els_unsol_buffer: Process an unsolicited event data buffer. + * lpfc_els_unsol_buffer - Process an unsolicited event data buffer * @phba: pointer to lpfc hba data structure. * @pring: pointer to a SLI ring. * @vport: pointer to a host virtual N_Port data structure. @@ -5592,7 +5575,7 @@ dropit: } /** - * lpfc_find_vport_by_vpid: Find a vport on a HBA through vport identifier. + * lpfc_find_vport_by_vpid - Find a vport on a HBA through vport identifier * @phba: pointer to lpfc hba data structure. * @vpi: host virtual N_Port identifier. * @@ -5622,7 +5605,7 @@ lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi) } /** - * lpfc_els_unsol_event: Process an unsolicited event from an els sli ring. + * lpfc_els_unsol_event - Process an unsolicited event from an els sli ring * @phba: pointer to lpfc hba data structure. * @pring: pointer to a SLI ring. * @elsiocb: pointer to lpfc els iocb data structure. @@ -5710,7 +5693,7 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_do_scr_ns_plogi: Issue a plogi to the name server for scr. + * lpfc_do_scr_ns_plogi - Issue a plogi to the name server for scr * @phba: pointer to lpfc hba data structure. * @vport: pointer to a virtual N_Port data structure. * @@ -5781,7 +5764,7 @@ lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport) } /** - * lpfc_cmpl_reg_new_vport: Completion callback function to register new vport. + * lpfc_cmpl_reg_new_vport - Completion callback function to register new vport * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -5850,7 +5833,7 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_register_new_vport: Register a new vport with a HBA. + * lpfc_register_new_vport - Register a new vport with a HBA * @phba: pointer to lpfc hba data structure. * @vport: pointer to a host virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. @@ -5899,7 +5882,7 @@ mbox_err_exit: } /** - * lpfc_cmpl_els_fdisc: Completion function for fdisc iocb command. + * lpfc_cmpl_els_fdisc - Completion function for fdisc iocb command * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -6007,7 +5990,7 @@ out: } /** - * lpfc_issue_els_fdisc: Issue a fdisc iocb command. + * lpfc_issue_els_fdisc - Issue a fdisc iocb command * @vport: pointer to a virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @retry: number of retries to the command IOCB. @@ -6101,7 +6084,7 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } /** - * lpfc_cmpl_els_npiv_logo: Completion function with vport logo. + * lpfc_cmpl_els_npiv_logo - Completion function with vport logo * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -6136,7 +6119,7 @@ lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_issue_els_npiv_logo: Issue a logo off a vport. + * lpfc_issue_els_npiv_logo - Issue a logo off a vport * @vport: pointer to a virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @@ -6197,7 +6180,7 @@ lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) } /** - * lpfc_fabric_block_timeout: Handler function to the fabric block timer. + * lpfc_fabric_block_timeout - Handler function to the fabric block timer * @ptr: holder for the timer function associated data. * * This routine is invoked by the fabric iocb block timer after @@ -6226,7 +6209,7 @@ lpfc_fabric_block_timeout(unsigned long ptr) } /** - * lpfc_resume_fabric_iocbs: Issue a fabric iocb from driver internal list. + * lpfc_resume_fabric_iocbs - Issue a fabric iocb from driver internal list * @phba: pointer to lpfc hba data structure. * * This routine issues one fabric iocb from the driver internal list to @@ -6285,7 +6268,7 @@ repeat: } /** - * lpfc_unblock_fabric_iocbs: Unblock issuing fabric iocb command. + * lpfc_unblock_fabric_iocbs - Unblock issuing fabric iocb command * @phba: pointer to lpfc hba data structure. * * This routine unblocks the issuing fabric iocb command. The function @@ -6303,7 +6286,7 @@ lpfc_unblock_fabric_iocbs(struct lpfc_hba *phba) } /** - * lpfc_block_fabric_iocbs: Block issuing fabric iocb command. + * lpfc_block_fabric_iocbs - Block issuing fabric iocb command * @phba: pointer to lpfc hba data structure. * * This routine blocks the issuing fabric iocb for a specified amount of @@ -6325,7 +6308,7 @@ lpfc_block_fabric_iocbs(struct lpfc_hba *phba) } /** - * lpfc_cmpl_fabric_iocb: Completion callback function for fabric iocb. + * lpfc_cmpl_fabric_iocb - Completion callback function for fabric iocb * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. * @rspiocb: pointer to lpfc response iocb data structure. @@ -6384,7 +6367,7 @@ lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_issue_fabric_iocb: Issue a fabric iocb command. + * lpfc_issue_fabric_iocb - Issue a fabric iocb command * @phba: pointer to lpfc hba data structure. * @iocb: pointer to lpfc command iocb data structure. * @@ -6453,7 +6436,7 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb) } /** - * lpfc_fabric_abort_vport: Abort a vport's iocbs from driver fabric iocb list. + * lpfc_fabric_abort_vport - Abort a vport's iocbs from driver fabric iocb list * @vport: pointer to a virtual N_Port data structure. * * This routine aborts all the IOCBs associated with a @vport from the @@ -6468,7 +6451,6 @@ static void lpfc_fabric_abort_vport(struct lpfc_vport *vport) LIST_HEAD(completions); struct lpfc_hba *phba = vport->phba; struct lpfc_iocbq *tmp_iocb, *piocb; - IOCB_t *cmd; spin_lock_irq(&phba->hbalock); list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, @@ -6481,19 +6463,13 @@ static void lpfc_fabric_abort_vport(struct lpfc_vport *vport) } spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - piocb = list_get_first(&completions, struct lpfc_iocbq, list); - list_del_init(&piocb->list); - - cmd = &piocb->iocb; - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (piocb->iocb_cmpl) (phba, piocb, piocb); - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); } /** - * lpfc_fabric_abort_nport: Abort a ndlp's iocbs from driver fabric iocb list. + * lpfc_fabric_abort_nport - Abort a ndlp's iocbs from driver fabric iocb list * @ndlp: pointer to a node-list data structure. * * This routine aborts all the IOCBs associated with an @ndlp from the @@ -6506,10 +6482,9 @@ static void lpfc_fabric_abort_vport(struct lpfc_vport *vport) void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) { LIST_HEAD(completions); - struct lpfc_hba *phba = ndlp->vport->phba; + struct lpfc_hba *phba = ndlp->phba; struct lpfc_iocbq *tmp_iocb, *piocb; struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; - IOCB_t *cmd; spin_lock_irq(&phba->hbalock); list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, @@ -6521,19 +6496,13 @@ void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) } spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - piocb = list_get_first(&completions, struct lpfc_iocbq, list); - list_del_init(&piocb->list); - - cmd = &piocb->iocb; - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (piocb->iocb_cmpl) (phba, piocb, piocb); - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); } /** - * lpfc_fabric_abort_hba: Abort all iocbs on driver fabric iocb list. + * lpfc_fabric_abort_hba - Abort all iocbs on driver fabric iocb list * @phba: pointer to lpfc hba data structure. * * This routine aborts all the IOCBs currently on the driver internal @@ -6546,20 +6515,12 @@ void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) void lpfc_fabric_abort_hba(struct lpfc_hba *phba) { LIST_HEAD(completions); - struct lpfc_iocbq *piocb; - IOCB_t *cmd; spin_lock_irq(&phba->hbalock); list_splice_init(&phba->fabric_iocb_list, &completions); spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - piocb = list_get_first(&completions, struct lpfc_iocbq, list); - list_del_init(&piocb->list); - - cmd = &piocb->iocb; - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (piocb->iocb_cmpl) (phba, piocb, piocb); - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); } diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 311ed6dea726..e764ce0bf704 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -78,7 +78,7 @@ lpfc_terminate_rport_io(struct fc_rport *rport) return; } - phba = ndlp->vport->phba; + phba = ndlp->phba; lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, "rport terminate: sid:x%x did:x%x flg:x%x", @@ -276,7 +276,7 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) } /** - * lpfc_alloc_fast_evt: Allocates data structure for posting event. + * lpfc_alloc_fast_evt - Allocates data structure for posting event * @phba: Pointer to hba context object. * * This function is called from the functions which need to post @@ -303,7 +303,7 @@ lpfc_alloc_fast_evt(struct lpfc_hba *phba) { } /** - * lpfc_free_fast_evt: Frees event data structure. + * lpfc_free_fast_evt - Frees event data structure * @phba: Pointer to hba context object. * @evt: Event object which need to be freed. * @@ -319,7 +319,7 @@ lpfc_free_fast_evt(struct lpfc_hba *phba, } /** - * lpfc_send_fastpath_evt: Posts events generated from fast path. + * lpfc_send_fastpath_evt - Posts events generated from fast path * @phba: Pointer to hba context object. * @evtp: Event data structure. * @@ -1858,13 +1858,18 @@ lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) NLP_STE_UNUSED_NODE); } /** - * lpfc_initialize_node: Initialize all fields of node object. + * lpfc_initialize_node - Initialize all fields of node object * @vport: Pointer to Virtual Port object. * @ndlp: Pointer to FC node object. * @did: FC_ID of the node. - * This function is always called when node object need to - * be initialized. It initializes all the fields of the node - * object. + * + * This function is always called when node object need to be initialized. + * It initializes all the fields of the node object. Although the reference + * to phba from @ndlp can be obtained indirectly through it's reference to + * @vport, a direct reference to phba is taken here by @ndlp. This is due + * to the life-span of the @ndlp might go beyond the existence of @vport as + * the final release of ndlp is determined by its reference count. And, the + * operation on @ndlp needs the reference to phba. **/ static inline void lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, @@ -1877,6 +1882,7 @@ lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, ndlp->nlp_delayfunc.data = (unsigned long)ndlp; ndlp->nlp_DID = did; ndlp->vport = vport; + ndlp->phba = vport->phba; ndlp->nlp_sid = NLP_NO_SID; kref_init(&ndlp->kref); NLP_INT_NODE_ACT(ndlp); @@ -2086,7 +2092,6 @@ lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) struct lpfc_sli *psli; struct lpfc_sli_ring *pring; struct lpfc_iocbq *iocb, *next_iocb; - IOCB_t *icmd; uint32_t rpi, i; lpfc_fabric_abort_nport(ndlp); @@ -2122,19 +2127,9 @@ lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) } } - while (!list_empty(&completions)) { - iocb = list_get_first(&completions, struct lpfc_iocbq, list); - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - icmd = &iocb->iocb; - icmd->ulpStatus = IOSTAT_LOCAL_REJECT; - icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (iocb->iocb_cmpl)(phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); return 0; } @@ -2186,9 +2181,13 @@ lpfc_unreg_all_rpis(struct lpfc_vport *vport) mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; mbox->context1 = NULL; rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); - if (rc == MBX_NOT_FINISHED) { + if (rc != MBX_TIMEOUT) mempool_free(mbox, phba->mbox_mem_pool); - } + + if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) + lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, + "1836 Could not issue " + "unreg_login(all_rpis) status %d\n", rc); } } @@ -2206,12 +2205,14 @@ lpfc_unreg_default_rpis(struct lpfc_vport *vport) mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; mbox->context1 = NULL; rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); - if (rc == MBX_NOT_FINISHED) { + if (rc != MBX_TIMEOUT) + mempool_free(mbox, phba->mbox_mem_pool); + + if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, "1815 Could not issue " - "unreg_did (default rpis)\n"); - mempool_free(mbox, phba->mbox_mem_pool); - } + "unreg_did (default rpis) status %d\n", + rc); } } @@ -2470,14 +2471,13 @@ lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did) if (ndlp->nlp_flag & NLP_RCV_PLOGI) return NULL; - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag |= NLP_NPR_2B_DISC; - spin_unlock_irq(shost->host_lock); - /* Since this node is marked for discovery, * delay timeout is not needed. */ lpfc_cancel_retry_delay_tmo(vport, ndlp); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_NPR_2B_DISC; + spin_unlock_irq(shost->host_lock); } else ndlp = NULL; } else { @@ -2740,19 +2740,9 @@ lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) } spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - iocb = list_get_first(&completions, struct lpfc_iocbq, list); - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - icmd = &iocb->iocb; - icmd->ulpStatus = IOSTAT_LOCAL_REJECT; - icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); } static void @@ -3173,7 +3163,7 @@ lpfc_nlp_release(struct kref *kref) lpfc_nlp_remove(ndlp->vport, ndlp); /* clear the ndlp active flag for all release cases */ - phba = ndlp->vport->phba; + phba = ndlp->phba; spin_lock_irqsave(&phba->ndlp_lock, flags); NLP_CLR_NODE_ACT(ndlp); spin_unlock_irqrestore(&phba->ndlp_lock, flags); @@ -3181,7 +3171,7 @@ lpfc_nlp_release(struct kref *kref) /* free ndlp memory for final ndlp release */ if (NLP_CHK_FREE_REQ(ndlp)) { kfree(ndlp->lat_data); - mempool_free(ndlp, ndlp->vport->phba->nlp_mem_pool); + mempool_free(ndlp, ndlp->phba->nlp_mem_pool); } } @@ -3204,7 +3194,7 @@ lpfc_nlp_get(struct lpfc_nodelist *ndlp) * ndlp reference count that is in the process of being * released. */ - phba = ndlp->vport->phba; + phba = ndlp->phba; spin_lock_irqsave(&phba->ndlp_lock, flags); if (!NLP_CHK_NODE_ACT(ndlp) || NLP_CHK_FREE_ACK(ndlp)) { spin_unlock_irqrestore(&phba->ndlp_lock, flags); @@ -3240,7 +3230,7 @@ lpfc_nlp_put(struct lpfc_nodelist *ndlp) "node put: did:x%x flg:x%x refcnt:x%x", ndlp->nlp_DID, ndlp->nlp_flag, atomic_read(&ndlp->kref.refcount)); - phba = ndlp->vport->phba; + phba = ndlp->phba; spin_lock_irqsave(&phba->ndlp_lock, flags); /* Check the ndlp memory free acknowledge flag to avoid the * possible race condition that kref_put got invoked again diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 06874e6009ea..86d1bdcbf2d8 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -60,7 +60,7 @@ static struct scsi_transport_template *lpfc_vport_transport_template = NULL; static DEFINE_IDR(lpfc_hba_index); /** - * lpfc_config_port_prep: Perform lpfc initialization prior to config port. + * lpfc_config_port_prep - Perform lpfc initialization prior to config port * @phba: pointer to lpfc hba data structure. * * This routine will do LPFC initialization prior to issuing the CONFIG_PORT @@ -221,7 +221,7 @@ out_free_mbox: } /** - * lpfc_config_async_cmpl: Completion handler for config async event mbox cmd. + * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd * @phba: pointer to lpfc hba data structure. * @pmboxq: pointer to the driver internal queue element for mailbox command. * @@ -242,8 +242,7 @@ lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) } /** - * lpfc_dump_wakeup_param_cmpl: Completion handler for dump memory mailbox - * command used for getting wake up parameters. + * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler * @phba: pointer to lpfc hba data structure. * @pmboxq: pointer to the driver internal queue element for mailbox command. * @@ -287,7 +286,7 @@ lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) } /** - * lpfc_config_port_post: Perform lpfc initialization after config port. + * lpfc_config_port_post - Perform lpfc initialization after config port * @phba: pointer to lpfc hba data structure. * * This routine will do LPFC initialization after the CONFIG_PORT mailbox @@ -303,6 +302,7 @@ int lpfc_config_port_post(struct lpfc_hba *phba) { struct lpfc_vport *vport = phba->pport; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); LPFC_MBOXQ_t *pmb; MAILBOX_t *mb; struct lpfc_dmabuf *mp; @@ -360,6 +360,11 @@ lpfc_config_port_post(struct lpfc_hba *phba) sizeof (struct lpfc_name)); memcpy(&vport->fc_portname, &vport->fc_sparam.portName, sizeof (struct lpfc_name)); + + /* Update the fc_host data structures with new wwn. */ + fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); + fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); + /* If no serial number in VPD data, use low 6 bytes of WWNN */ /* This should be consolidated into parse_vpd ? - mr */ if (phba->SerialNumber[0] == 0) { @@ -551,7 +556,7 @@ lpfc_config_port_post(struct lpfc_hba *phba) } /** - * lpfc_hba_down_prep: Perform lpfc uninitialization prior to HBA reset. + * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset * @phba: pointer to lpfc HBA data structure. * * This routine will do LPFC uninitialization before the HBA is reset when @@ -583,7 +588,7 @@ lpfc_hba_down_prep(struct lpfc_hba *phba) } /** - * lpfc_hba_down_post: Perform lpfc uninitialization after HBA reset. + * lpfc_hba_down_post - Perform lpfc uninitialization after HBA reset * @phba: pointer to lpfc HBA data structure. * * This routine will do uninitialization after the HBA is reset when bring @@ -599,8 +604,6 @@ lpfc_hba_down_post(struct lpfc_hba *phba) struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring; struct lpfc_dmabuf *mp, *next_mp; - struct lpfc_iocbq *iocb; - IOCB_t *cmd = NULL; LIST_HEAD(completions); int i; @@ -628,20 +631,9 @@ lpfc_hba_down_post(struct lpfc_hba *phba) pring->txcmplq_cnt = 0; spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - iocb = list_get_first(&completions, struct lpfc_iocbq, - list); - cmd = &iocb->iocb; - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); lpfc_sli_abort_iocb_ring(phba, pring); spin_lock_irq(&phba->hbalock); @@ -652,7 +644,7 @@ lpfc_hba_down_post(struct lpfc_hba *phba) } /** - * lpfc_hb_timeout: The HBA-timer timeout handler. + * lpfc_hb_timeout - The HBA-timer timeout handler * @ptr: unsigned long holds the pointer to lpfc hba data structure. * * This is the HBA-timer timeout handler registered to the lpfc driver. When @@ -686,7 +678,7 @@ lpfc_hb_timeout(unsigned long ptr) } /** - * lpfc_hb_mbox_cmpl: The lpfc heart-beat mailbox command callback function. + * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function * @phba: pointer to lpfc hba data structure. * @pmboxq: pointer to the driver internal queue element for mailbox command. * @@ -721,7 +713,7 @@ lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) } /** - * lpfc_hb_timeout_handler: The HBA-timer timeout handler. + * lpfc_hb_timeout_handler - The HBA-timer timeout handler * @phba: pointer to lpfc hba data structure. * * This is the actual HBA-timer timeout handler to be invoked by the worker @@ -830,7 +822,7 @@ lpfc_hb_timeout_handler(struct lpfc_hba *phba) } /** - * lpfc_offline_eratt: Bring lpfc offline on hardware error attention. + * lpfc_offline_eratt - Bring lpfc offline on hardware error attention * @phba: pointer to lpfc hba data structure. * * This routine is called to bring the HBA offline when HBA hardware error @@ -857,7 +849,73 @@ lpfc_offline_eratt(struct lpfc_hba *phba) } /** - * lpfc_handle_eratt: The HBA hardware error handler. + * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler + * @phba: pointer to lpfc hba data structure. + * + * This routine is invoked to handle the deferred HBA hardware error + * conditions. This type of error is indicated by HBA by setting ER1 + * and another ER bit in the host status register. The driver will + * wait until the ER1 bit clears before handling the error condition. + **/ +static void +lpfc_handle_deferred_eratt(struct lpfc_hba *phba) +{ + uint32_t old_host_status = phba->work_hs; + struct lpfc_sli_ring *pring; + struct lpfc_sli *psli = &phba->sli; + + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "0479 Deferred Adapter Hardware Error " + "Data: x%x x%x x%x\n", + phba->work_hs, + phba->work_status[0], phba->work_status[1]); + + spin_lock_irq(&phba->hbalock); + psli->sli_flag &= ~LPFC_SLI2_ACTIVE; + spin_unlock_irq(&phba->hbalock); + + + /* + * Firmware stops when it triggred erratt. That could cause the I/Os + * dropped by the firmware. Error iocb (I/O) on txcmplq and let the + * SCSI layer retry it after re-establishing link. + */ + pring = &psli->ring[psli->fcp_ring]; + lpfc_sli_abort_iocb_ring(phba, pring); + + /* + * There was a firmware error. Take the hba offline and then + * attempt to restart it. + */ + lpfc_offline_prep(phba); + lpfc_offline(phba); + + /* Wait for the ER1 bit to clear.*/ + while (phba->work_hs & HS_FFER1) { + msleep(100); + phba->work_hs = readl(phba->HSregaddr); + /* If driver is unloading let the worker thread continue */ + if (phba->pport->load_flag & FC_UNLOADING) { + phba->work_hs = 0; + break; + } + } + + /* + * This is to ptrotect against a race condition in which + * first write to the host attention register clear the + * host status register. + */ + if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING))) + phba->work_hs = old_host_status & ~HS_FFER1; + + phba->hba_flag &= ~DEFER_ERATT; + phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); + phba->work_status[1] = readl(phba->MBslimaddr + 0xac); +} + +/** + * lpfc_handle_eratt - The HBA hardware error handler * @phba: pointer to lpfc hba data structure. * * This routine is invoked to handle the following HBA hardware error @@ -895,6 +953,9 @@ lpfc_handle_eratt(struct lpfc_hba *phba) (char *) &board_event, LPFC_NL_VENDOR_ID); + if (phba->hba_flag & DEFER_ERATT) + lpfc_handle_deferred_eratt(phba); + if (phba->work_hs & HS_FFER6) { /* Re-establishing Link */ lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, @@ -976,7 +1037,7 @@ lpfc_handle_eratt(struct lpfc_hba *phba) } /** - * lpfc_handle_latt: The HBA link event handler. + * lpfc_handle_latt - The HBA link event handler * @phba: pointer to lpfc hba data structure. * * This routine is invoked from the worker thread to handle a HBA host @@ -1063,7 +1124,7 @@ lpfc_handle_latt_err_exit: } /** - * lpfc_parse_vpd: Parse VPD (Vital Product Data). + * lpfc_parse_vpd - Parse VPD (Vital Product Data) * @phba: pointer to lpfc hba data structure. * @vpd: pointer to the vital product data. * @len: length of the vital product data in bytes. @@ -1213,7 +1274,7 @@ lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) } /** - * lpfc_get_hba_model_desc: Retrieve HBA device model name and description. + * lpfc_get_hba_model_desc - Retrieve HBA device model name and description * @phba: pointer to lpfc hba data structure. * @mdp: pointer to the data structure to hold the derived model name. * @descp: pointer to the data structure to hold the derived description. @@ -1322,7 +1383,8 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_ZEPHYR_DCSP: - m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"}; + m = (typeof(m)){"LP2105", max_speed, "PCIe"}; + GE = 1; break; case PCI_DEVICE_ID_ZMID: m = (typeof(m)){"LPe1150", max_speed, "PCIe"}; @@ -1392,7 +1454,7 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) } /** - * lpfc_post_buffer: Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring. + * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring * @phba: pointer to lpfc hba data structure. * @pring: pointer to a IOCB ring. * @cnt: the number of IOCBs to be posted to the IOCB ring. @@ -1493,7 +1555,7 @@ lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) } /** - * lpfc_post_rcv_buf: Post the initial receive IOCB buffers to ELS ring. + * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring * @phba: pointer to lpfc hba data structure. * * This routine posts initial receive IOCB buffers to the ELS ring. The @@ -1518,7 +1580,7 @@ lpfc_post_rcv_buf(struct lpfc_hba *phba) #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) /** - * lpfc_sha_init: Set up initial array of hash table entries. + * lpfc_sha_init - Set up initial array of hash table entries * @HashResultPointer: pointer to an array as hash table. * * This routine sets up the initial values to the array of hash table entries @@ -1535,7 +1597,7 @@ lpfc_sha_init(uint32_t * HashResultPointer) } /** - * lpfc_sha_iterate: Iterate initial hash table with the working hash table. + * lpfc_sha_iterate - Iterate initial hash table with the working hash table * @HashResultPointer: pointer to an initial/result hash table. * @HashWorkingPointer: pointer to an working hash table. * @@ -1592,7 +1654,7 @@ lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) } /** - * lpfc_challenge_key: Create challenge key based on WWPN of the HBA. + * lpfc_challenge_key - Create challenge key based on WWPN of the HBA * @RandomChallenge: pointer to the entry of host challenge random number array. * @HashWorking: pointer to the entry of the working hash array. * @@ -1608,7 +1670,7 @@ lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) } /** - * lpfc_hba_init: Perform special handling for LC HBA initialization. + * lpfc_hba_init - Perform special handling for LC HBA initialization * @phba: pointer to lpfc hba data structure. * @hbainit: pointer to an array of unsigned 32-bit integers. * @@ -1637,7 +1699,7 @@ lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) } /** - * lpfc_cleanup: Performs vport cleanups before deleting a vport. + * lpfc_cleanup - Performs vport cleanups before deleting a vport * @vport: pointer to a virtual N_Port data structure. * * This routine performs the necessary cleanups before deleting the @vport. @@ -1724,7 +1786,7 @@ lpfc_cleanup(struct lpfc_vport *vport) } /** - * lpfc_stop_vport_timers: Stop all the timers associated with a vport. + * lpfc_stop_vport_timers - Stop all the timers associated with a vport * @vport: pointer to a virtual N_Port data structure. * * This routine stops all the timers associated with a @vport. This function @@ -1741,7 +1803,7 @@ lpfc_stop_vport_timers(struct lpfc_vport *vport) } /** - * lpfc_stop_phba_timers: Stop all the timers associated with an HBA. + * lpfc_stop_phba_timers - Stop all the timers associated with an HBA * @phba: pointer to lpfc hba data structure. * * This routine stops all the timers associated with a HBA. This function is @@ -1761,7 +1823,7 @@ lpfc_stop_phba_timers(struct lpfc_hba *phba) } /** - * lpfc_block_mgmt_io: Mark a HBA's management interface as blocked. + * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked * @phba: pointer to lpfc hba data structure. * * This routine marks a HBA's management interface as blocked. Once the HBA's @@ -1781,7 +1843,7 @@ lpfc_block_mgmt_io(struct lpfc_hba * phba) } /** - * lpfc_online: Initialize and bring a HBA online. + * lpfc_online - Initialize and bring a HBA online * @phba: pointer to lpfc hba data structure. * * This routine initializes the HBA and brings a HBA online. During this @@ -1839,7 +1901,7 @@ lpfc_online(struct lpfc_hba *phba) } /** - * lpfc_unblock_mgmt_io: Mark a HBA's management interface to be not blocked. + * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked * @phba: pointer to lpfc hba data structure. * * This routine marks a HBA's management interface as not blocked. Once the @@ -1860,7 +1922,7 @@ lpfc_unblock_mgmt_io(struct lpfc_hba * phba) } /** - * lpfc_offline_prep: Prepare a HBA to be brought offline. + * lpfc_offline_prep - Prepare a HBA to be brought offline * @phba: pointer to lpfc hba data structure. * * This routine is invoked to prepare a HBA to be brought offline. It performs @@ -1917,7 +1979,7 @@ lpfc_offline_prep(struct lpfc_hba * phba) } /** - * lpfc_offline: Bring a HBA offline. + * lpfc_offline - Bring a HBA offline * @phba: pointer to lpfc hba data structure. * * This routine actually brings a HBA offline. It stops all the timers @@ -1962,7 +2024,7 @@ lpfc_offline(struct lpfc_hba *phba) } /** - * lpfc_scsi_free: Free all the SCSI buffers and IOCBs from driver lists. + * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists * @phba: pointer to lpfc hba data structure. * * This routine is to free all the SCSI buffers and IOCBs from the driver @@ -2001,7 +2063,7 @@ lpfc_scsi_free(struct lpfc_hba *phba) } /** - * lpfc_create_port: Create an FC port. + * lpfc_create_port - Create an FC port * @phba: pointer to lpfc hba data structure. * @instance: a unique integer ID to this FC port. * @dev: pointer to the device data structure. @@ -2091,7 +2153,7 @@ out: } /** - * destroy_port: Destroy an FC port. + * destroy_port - destroy an FC port * @vport: pointer to an lpfc virtual N_Port data structure. * * This routine destroys a FC port from the upper layer protocol. All the @@ -2116,7 +2178,7 @@ destroy_port(struct lpfc_vport *vport) } /** - * lpfc_get_instance: Get a unique integer ID. + * lpfc_get_instance - Get a unique integer ID * * This routine allocates a unique integer ID from lpfc_hba_index pool. It * uses the kernel idr facility to perform the task. @@ -2139,7 +2201,7 @@ lpfc_get_instance(void) } /** - * lpfc_scan_finished: method for SCSI layer to detect whether scan is done. + * lpfc_scan_finished - method for SCSI layer to detect whether scan is done * @shost: pointer to SCSI host data structure. * @time: elapsed time of the scan in jiffies. * @@ -2197,7 +2259,7 @@ finished: } /** - * lpfc_host_attrib_init: Initialize SCSI host attributes on a FC port. + * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port * @shost: pointer to SCSI host data structure. * * This routine initializes a given SCSI host attributes on a FC port. The @@ -2252,7 +2314,7 @@ void lpfc_host_attrib_init(struct Scsi_Host *shost) } /** - * lpfc_enable_msix: Enable MSI-X interrupt mode. + * lpfc_enable_msix - Enable MSI-X interrupt mode * @phba: pointer to lpfc hba data structure. * * This routine is invoked to enable the MSI-X interrupt vectors. The kernel @@ -2366,7 +2428,7 @@ msi_fail_out: } /** - * lpfc_disable_msix: Disable MSI-X interrupt mode. + * lpfc_disable_msix - Disable MSI-X interrupt mode * @phba: pointer to lpfc hba data structure. * * This routine is invoked to release the MSI-X vectors and then disable the @@ -2385,7 +2447,7 @@ lpfc_disable_msix(struct lpfc_hba *phba) } /** - * lpfc_enable_msi: Enable MSI interrupt mode. + * lpfc_enable_msi - Enable MSI interrupt mode * @phba: pointer to lpfc hba data structure. * * This routine is invoked to enable the MSI interrupt mode. The kernel @@ -2423,7 +2485,7 @@ lpfc_enable_msi(struct lpfc_hba *phba) } /** - * lpfc_disable_msi: Disable MSI interrupt mode. + * lpfc_disable_msi - Disable MSI interrupt mode * @phba: pointer to lpfc hba data structure. * * This routine is invoked to disable the MSI interrupt mode. The driver @@ -2441,7 +2503,7 @@ lpfc_disable_msi(struct lpfc_hba *phba) } /** - * lpfc_log_intr_mode: Log the active interrupt mode + * lpfc_log_intr_mode - Log the active interrupt mode * @phba: pointer to lpfc hba data structure. * @intr_mode: active interrupt mode adopted. * @@ -2490,7 +2552,7 @@ lpfc_stop_port(struct lpfc_hba *phba) } /** - * lpfc_enable_intr: Enable device interrupt. + * lpfc_enable_intr - Enable device interrupt * @phba: pointer to lpfc hba data structure. * * This routine is invoked to enable device interrupt and associate driver's @@ -2547,7 +2609,7 @@ lpfc_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) } /** - * lpfc_disable_intr: Disable device interrupt. + * lpfc_disable_intr - Disable device interrupt * @phba: pointer to lpfc hba data structure. * * This routine is invoked to disable device interrupt and disassociate the @@ -2574,7 +2636,7 @@ lpfc_disable_intr(struct lpfc_hba *phba) } /** - * lpfc_pci_probe_one: lpfc PCI probe func to register device to PCI subsystem. + * lpfc_pci_probe_one - lpfc PCI probe func to register device to PCI subsystem * @pdev: pointer to PCI device * @pid: pointer to PCI device identifier * @@ -3010,7 +3072,7 @@ out: } /** - * lpfc_pci_remove_one: lpfc PCI func to unregister device from PCI subsystem. + * lpfc_pci_remove_one - lpfc PCI func to unregister device from PCI subsystem * @pdev: pointer to PCI device * * This routine is to be registered to the kernel's PCI subsystem. When an @@ -3033,8 +3095,6 @@ lpfc_pci_remove_one(struct pci_dev *pdev) lpfc_free_sysfs_attr(vport); - kthread_stop(phba->worker_thread); - /* Release all the vports against this physical port */ vports = lpfc_create_vport_work_array(phba); if (vports != NULL) @@ -3052,7 +3112,12 @@ lpfc_pci_remove_one(struct pci_dev *pdev) * clears the rings, discards all mailbox commands, and resets * the HBA. */ + + /* HBA interrupt will be diabled after this call */ lpfc_sli_hba_down(phba); + /* Stop kthread signal shall trigger work_done one more time */ + kthread_stop(phba->worker_thread); + /* Final cleanup of txcmplq and reset the HBA */ lpfc_sli_brdrestart(phba); lpfc_stop_phba_timers(phba); @@ -3095,7 +3160,7 @@ lpfc_pci_remove_one(struct pci_dev *pdev) } /** - * lpfc_pci_suspend_one: lpfc PCI func to suspend device for power management. + * lpfc_pci_suspend_one - lpfc PCI func to suspend device for power management * @pdev: pointer to PCI device * @msg: power management message * @@ -3139,7 +3204,7 @@ lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg) } /** - * lpfc_pci_resume_one: lpfc PCI func to resume device for power management. + * lpfc_pci_resume_one - lpfc PCI func to resume device for power management * @pdev: pointer to PCI device * * This routine is to be registered to the kernel's PCI subsystem to support @@ -3204,7 +3269,7 @@ lpfc_pci_resume_one(struct pci_dev *pdev) } /** - * lpfc_io_error_detected: Driver method for handling PCI I/O error detected. + * lpfc_io_error_detected - Driver method for handling PCI I/O error detected * @pdev: pointer to PCI device. * @state: the current PCI connection state. * @@ -3254,7 +3319,7 @@ static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev, } /** - * lpfc_io_slot_reset: Restart a PCI device from scratch. + * lpfc_io_slot_reset - Restart a PCI device from scratch * @pdev: pointer to PCI device. * * This routine is registered to the PCI subsystem for error handling. This is @@ -3313,7 +3378,7 @@ static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev) } /** - * lpfc_io_resume: Resume PCI I/O operation. + * lpfc_io_resume - Resume PCI I/O operation * @pdev: pointer to PCI device * * This routine is registered to the PCI subsystem for error handling. It is @@ -3426,7 +3491,7 @@ static struct pci_driver lpfc_driver = { }; /** - * lpfc_init: lpfc module initialization routine. + * lpfc_init - lpfc module initialization routine * * This routine is to be invoked when the lpfc module is loaded into the * kernel. The special kernel macro module_init() is used to indicate the @@ -3472,7 +3537,7 @@ lpfc_init(void) } /** - * lpfc_exit: lpfc module removal routine. + * lpfc_exit - lpfc module removal routine * * This routine is invoked when the lpfc module is removed from the kernel. * The special kernel macro module_exit() is used to indicate the role of diff --git a/drivers/scsi/lpfc/lpfc_logmsg.h b/drivers/scsi/lpfc/lpfc_logmsg.h index a85b7c196bbc..1aa85709b012 100644 --- a/drivers/scsi/lpfc/lpfc_logmsg.h +++ b/drivers/scsi/lpfc/lpfc_logmsg.h @@ -27,7 +27,7 @@ #define LOG_FCP 0x40 /* FCP traffic history */ #define LOG_NODE 0x80 /* Node table events */ #define LOG_TEMP 0x100 /* Temperature sensor events */ -#define LOG_BG 0x200 /* BlockBuard events */ +#define LOG_BG 0x200 /* BlockGuard events */ #define LOG_MISC 0x400 /* Miscellaneous events */ #define LOG_SLI 0x800 /* SLI events */ #define LOG_FCP_ERROR 0x1000 /* log errors, not underruns */ diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c index 34eeb086a667..134fc7fc2127 100644 --- a/drivers/scsi/lpfc/lpfc_mbox.c +++ b/drivers/scsi/lpfc/lpfc_mbox.c @@ -39,7 +39,7 @@ #include "lpfc_compat.h" /** - * lpfc_dump_mem: Prepare a mailbox command for retrieving HBA's VPD memory. + * lpfc_dump_mem - Prepare a mailbox command for retrieving HBA's VPD memory * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @offset: offset for dumping VPD memory mailbox command. @@ -77,9 +77,10 @@ lpfc_dump_mem(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint16_t offset) } /** - * lpfc_dump_mem: Prepare a mailbox command for retrieving wakeup params. + * lpfc_dump_wakeup_param - Prepare mailbox command for retrieving wakeup params * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. + * * This function create a dump memory mailbox command to dump wake up * parameters. */ @@ -109,7 +110,7 @@ lpfc_dump_wakeup_param(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_read_nv: Prepare a mailbox command for reading HBA's NVRAM param. + * lpfc_read_nv - Prepare a mailbox command for reading HBA's NVRAM param * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -132,7 +133,7 @@ lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_config_async: Prepare a mailbox command for enabling HBA async event. + * lpfc_config_async - Prepare a mailbox command for enabling HBA async event * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @ring: ring number for the asynchronous event to be configured. @@ -159,7 +160,7 @@ lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, } /** - * lpfc_heart_beat: Prepare a mailbox command for heart beat. + * lpfc_heart_beat - Prepare a mailbox command for heart beat * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -184,7 +185,7 @@ lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_read_la: Prepare a mailbox command for reading HBA link attention. + * lpfc_read_la - Prepare a mailbox command for reading HBA link attention * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @mp: DMA buffer memory for reading the link attention information into. @@ -228,7 +229,7 @@ lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, struct lpfc_dmabuf *mp) } /** - * lpfc_clear_la: Prepare a mailbox command for clearing HBA link attention. + * lpfc_clear_la - Prepare a mailbox command for clearing HBA link attention * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -257,7 +258,7 @@ lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_config_link: Prepare a mailbox command for configuring link on a HBA. + * lpfc_config_link - Prepare a mailbox command for configuring link on a HBA * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -305,7 +306,7 @@ lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_config_msi: Prepare a mailbox command for configuring msi-x. + * lpfc_config_msi - Prepare a mailbox command for configuring msi-x * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -383,7 +384,7 @@ lpfc_config_msi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_init_link: Prepare a mailbox command for initialize link on a HBA. + * lpfc_init_link - Prepare a mailbox command for initialize link on a HBA * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @topology: the link topology for the link to be initialized to. @@ -463,7 +464,7 @@ lpfc_init_link(struct lpfc_hba * phba, } /** - * lpfc_read_sparam: Prepare a mailbox command for reading HBA parameters. + * lpfc_read_sparam - Prepare a mailbox command for reading HBA parameters * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @vpi: virtual N_Port identifier. @@ -523,7 +524,7 @@ lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi) } /** - * lpfc_unreg_did: Prepare a mailbox command for unregistering DID. + * lpfc_unreg_did - Prepare a mailbox command for unregistering DID * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @did: remote port identifier. @@ -555,7 +556,7 @@ lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did, } /** - * lpfc_read_config: Prepare a mailbox command for reading HBA configuration. + * lpfc_read_config - Prepare a mailbox command for reading HBA configuration * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -581,7 +582,7 @@ lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_read_lnk_stat: Prepare a mailbox command for reading HBA link stats. + * lpfc_read_lnk_stat - Prepare a mailbox command for reading HBA link stats * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -606,7 +607,7 @@ lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_reg_login: Prepare a mailbox command for registering remote login. + * lpfc_reg_login - Prepare a mailbox command for registering remote login * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @did: remote port identifier. @@ -677,7 +678,7 @@ lpfc_reg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t did, } /** - * lpfc_unreg_login: Prepare a mailbox command for unregistering remote login. + * lpfc_unreg_login - Prepare a mailbox command for unregistering remote login * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @rpi: remote port identifier @@ -709,7 +710,7 @@ lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi, } /** - * lpfc_reg_vpi: Prepare a mailbox command for registering vport identifier. + * lpfc_reg_vpi - Prepare a mailbox command for registering vport identifier * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @sid: Fibre Channel S_ID (N_Port_ID assigned to a virtual N_Port). @@ -741,7 +742,7 @@ lpfc_reg_vpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t sid, } /** - * lpfc_unreg_vpi: Prepare a mailbox command for unregistering vport id. + * lpfc_unreg_vpi - Prepare a mailbox command for unregistering vport id * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @pmb: pointer to the driver internal queue element for mailbox command. @@ -771,7 +772,7 @@ lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb) } /** - * lpfc_config_pcb_setup: Set up IOCB rings in the Port Control Block (PCB) + * lpfc_config_pcb_setup - Set up IOCB rings in the Port Control Block (PCB) * @phba: pointer to lpfc hba data structure. * * This routine sets up and initializes the IOCB rings in the Port Control @@ -835,7 +836,7 @@ lpfc_config_pcb_setup(struct lpfc_hba * phba) } /** - * lpfc_read_rev: Prepare a mailbox command for reading HBA revision. + * lpfc_read_rev - Prepare a mailbox command for reading HBA revision * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -861,7 +862,7 @@ lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_build_hbq_profile2: Set up the HBQ Selection Profile 2. + * lpfc_build_hbq_profile2 - Set up the HBQ Selection Profile 2 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. * @hbq_desc: pointer to the HBQ selection profile descriptor. * @@ -880,7 +881,7 @@ lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb, } /** - * lpfc_build_hbq_profile3: Set up the HBQ Selection Profile 3. + * lpfc_build_hbq_profile3 - Set up the HBQ Selection Profile 3 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. * @hbq_desc: pointer to the HBQ selection profile descriptor. * @@ -902,7 +903,7 @@ lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb, } /** - * lpfc_build_hbq_profile5: Set up the HBQ Selection Profile 5. + * lpfc_build_hbq_profile5 - Set up the HBQ Selection Profile 5 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. * @hbq_desc: pointer to the HBQ selection profile descriptor. * @@ -925,7 +926,7 @@ lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb, } /** - * lpfc_config_hbq: Prepare a mailbox command for configuring an HBQ. + * lpfc_config_hbq - Prepare a mailbox command for configuring an HBQ * @phba: pointer to lpfc hba data structure. * @id: HBQ identifier. * @hbq_desc: pointer to the HBA descriptor data structure. @@ -999,7 +1000,7 @@ lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id, } /** - * lpfc_config_ring: Prepare a mailbox command for configuring an IOCB ring. + * lpfc_config_ring - Prepare a mailbox command for configuring an IOCB ring * @phba: pointer to lpfc hba data structure. * @ring: * @pmb: pointer to the driver internal queue element for mailbox command. @@ -1057,7 +1058,7 @@ lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb) } /** - * lpfc_config_port: Prepare a mailbox command for configuring port. + * lpfc_config_port - Prepare a mailbox command for configuring port * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -1227,7 +1228,7 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_kill_board: Prepare a mailbox command for killing board. + * lpfc_kill_board - Prepare a mailbox command for killing board * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @@ -1253,7 +1254,7 @@ lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /** - * lpfc_mbox_put: Put a mailbox cmd into the tail of driver's mailbox queue. + * lpfc_mbox_put - Put a mailbox cmd into the tail of driver's mailbox queue * @phba: pointer to lpfc hba data structure. * @mbq: pointer to the driver internal queue element for mailbox command. * @@ -1277,7 +1278,7 @@ lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) } /** - * lpfc_mbox_get: Remove a mailbox cmd from the head of driver's mailbox queue. + * lpfc_mbox_get - Remove a mailbox cmd from the head of driver's mailbox queue * @phba: pointer to lpfc hba data structure. * * Driver maintains a internal mailbox command queue implemented as a linked @@ -1304,7 +1305,7 @@ lpfc_mbox_get(struct lpfc_hba * phba) } /** - * lpfc_mbox_cmpl_put: Put mailbox command into mailbox command complete list. + * lpfc_mbox_cmpl_put - Put mailbox command into mailbox command complete list * @phba: pointer to lpfc hba data structure. * @mbq: pointer to the driver internal queue element for mailbox command. * @@ -1327,7 +1328,7 @@ lpfc_mbox_cmpl_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) } /** - * lpfc_mbox_tmo_val: Retrieve mailbox command timeout value. + * lpfc_mbox_tmo_val - Retrieve mailbox command timeout value * @phba: pointer to lpfc hba data structure. * @cmd: mailbox command code. * diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c index a4bba2069248..35a976733398 100644 --- a/drivers/scsi/lpfc/lpfc_mem.c +++ b/drivers/scsi/lpfc/lpfc_mem.c @@ -41,7 +41,7 @@ /** - * lpfc_mem_alloc: create and allocate all PCI and memory pools + * lpfc_mem_alloc - create and allocate all PCI and memory pools * @phba: HBA to allocate pools for * * Description: Creates and allocates PCI pools lpfc_scsi_dma_buf_pool, @@ -136,12 +136,12 @@ lpfc_mem_alloc(struct lpfc_hba * phba) } /** - * lpfc_mem_free: Frees all PCI and memory allocated by lpfc_mem_alloc + * lpfc_mem_free - Frees all PCI and memory allocated by lpfc_mem_alloc * @phba: HBA to free memory for * * Description: Frees PCI pools lpfc_scsi_dma_buf_pool, lpfc_mbuf_pool, * lpfc_hbq_pool. Frees kmalloc-backed mempools for LPFC_MBOXQ_t and - * lpfc_nodelist. Also frees the VPI bitmask. + * lpfc_nodelist. Also frees the VPI bitmask * * Returns: None **/ @@ -212,7 +212,7 @@ lpfc_mem_free(struct lpfc_hba * phba) } /** - * lpfc_mbuf_alloc: Allocate an mbuf from the lpfc_mbuf_pool PCI pool + * lpfc_mbuf_alloc - Allocate an mbuf from the lpfc_mbuf_pool PCI pool * @phba: HBA which owns the pool to allocate from * @mem_flags: indicates if this is a priority (MEM_PRI) allocation * @handle: used to return the DMA-mapped address of the mbuf @@ -249,7 +249,7 @@ lpfc_mbuf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle) } /** - * __lpfc_mem_free: Free an mbuf from the lpfc_mbuf_pool PCI pool (locked) + * __lpfc_mbuf_free - Free an mbuf from the lpfc_mbuf_pool PCI pool (locked) * @phba: HBA which owns the pool to return to * @virt: mbuf to free * @dma: the DMA-mapped address of the lpfc_mbuf_pool to be freed @@ -278,7 +278,7 @@ __lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) } /** - * lpfc_mem_free: Free an mbuf from the lpfc_mbuf_pool PCI pool (unlocked) + * lpfc_mbuf_free - Free an mbuf from the lpfc_mbuf_pool PCI pool (unlocked) * @phba: HBA which owns the pool to return to * @virt: mbuf to free * @dma: the DMA-mapped address of the lpfc_mbuf_pool to be freed @@ -291,7 +291,6 @@ __lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) * Returns: None **/ void - lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) { unsigned long iflags; @@ -303,7 +302,7 @@ lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) } /** - * lpfc_els_hbq_alloc: Allocate an HBQ buffer + * lpfc_els_hbq_alloc - Allocate an HBQ buffer * @phba: HBA to allocate HBQ buffer for * * Description: Allocates a DMA-mapped HBQ buffer from the lpfc_hbq_pool PCI @@ -335,7 +334,7 @@ lpfc_els_hbq_alloc(struct lpfc_hba *phba) } /** - * lpfc_mem_hbq_free: Frees an HBQ buffer allocated with lpfc_els_hbq_alloc + * lpfc_mem_hbq_free - Frees an HBQ buffer allocated with lpfc_els_hbq_alloc * @phba: HBA buffer was allocated for * @hbqbp: HBQ container returned by lpfc_els_hbq_alloc * @@ -355,7 +354,7 @@ lpfc_els_hbq_free(struct lpfc_hba *phba, struct hbq_dmabuf *hbqbp) } /** - * lpfc_in_buf_free: Free a DMA buffer + * lpfc_in_buf_free - Free a DMA buffer * @phba: HBA buffer is associated with * @mp: Buffer to free * diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 8f548adae9cc..08cdc77af41c 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -192,7 +192,6 @@ lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; struct lpfc_iocbq *iocb, *next_iocb; - IOCB_t *cmd; /* Abort outstanding I/O on NPort <nlp_DID> */ lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_DISCOVERY, @@ -223,19 +222,10 @@ lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) } spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - iocb = list_get_first(&completions, struct lpfc_iocbq, list); - cmd = &iocb->iocb; - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); + lpfc_cancel_retry_delay_tmo(phba->pport, ndlp); return 0; } diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 36fd2e75da1c..167b66dd34c7 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -112,7 +112,7 @@ lpfc_debug_save_dif(struct scsi_cmnd *cmnd) } /** - * lpfc_update_stats: Update statistical data for the command completion. + * lpfc_update_stats - Update statistical data for the command completion * @phba: Pointer to HBA object. * @lpfc_cmd: lpfc scsi command object pointer. * @@ -165,8 +165,7 @@ lpfc_update_stats(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) } /** - * lpfc_send_sdev_queuedepth_change_event: Posts a queuedepth change - * event. + * lpfc_send_sdev_queuedepth_change_event - Posts a queuedepth change event * @phba: Pointer to HBA context object. * @vport: Pointer to vport object. * @ndlp: Pointer to FC node associated with the target. @@ -220,7 +219,7 @@ lpfc_send_sdev_queuedepth_change_event(struct lpfc_hba *phba, } /** - * lpfc_rampdown_queue_depth: Post RAMP_DOWN_QUEUE event to worker thread. + * lpfc_rampdown_queue_depth - Post RAMP_DOWN_QUEUE event to worker thread * @phba: The Hba for which this call is being executed. * * This routine is called when there is resource error in driver or firmware. @@ -261,7 +260,7 @@ lpfc_rampdown_queue_depth(struct lpfc_hba *phba) } /** - * lpfc_rampup_queue_depth: Post RAMP_UP_QUEUE event for worker thread. + * lpfc_rampup_queue_depth - Post RAMP_UP_QUEUE event for worker thread * @phba: The Hba for which this call is being executed. * * This routine post WORKER_RAMP_UP_QUEUE event for @phba vport. This routine @@ -273,14 +272,14 @@ lpfc_rampdown_queue_depth(struct lpfc_hba *phba) **/ static inline void lpfc_rampup_queue_depth(struct lpfc_vport *vport, - struct scsi_device *sdev) + uint32_t queue_depth) { unsigned long flags; struct lpfc_hba *phba = vport->phba; uint32_t evt_posted; atomic_inc(&phba->num_cmd_success); - if (vport->cfg_lun_queue_depth <= sdev->queue_depth) + if (vport->cfg_lun_queue_depth <= queue_depth) return; spin_lock_irqsave(&phba->hbalock, flags); if (((phba->last_ramp_up_time + QUEUE_RAMP_UP_INTERVAL) > jiffies) || @@ -303,7 +302,7 @@ lpfc_rampup_queue_depth(struct lpfc_vport *vport, } /** - * lpfc_ramp_down_queue_handler: WORKER_RAMP_DOWN_QUEUE event handler. + * lpfc_ramp_down_queue_handler - WORKER_RAMP_DOWN_QUEUE event handler * @phba: The Hba for which this call is being executed. * * This routine is called to process WORKER_RAMP_DOWN_QUEUE event for worker @@ -361,7 +360,7 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba) } /** - * lpfc_ramp_up_queue_handler: WORKER_RAMP_UP_QUEUE event handler. + * lpfc_ramp_up_queue_handler - WORKER_RAMP_UP_QUEUE event handler * @phba: The Hba for which this call is being executed. * * This routine is called to process WORKER_RAMP_UP_QUEUE event for worker @@ -410,7 +409,7 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba) } /** - * lpfc_scsi_dev_block: set all scsi hosts to block state. + * lpfc_scsi_dev_block - set all scsi hosts to block state * @phba: Pointer to HBA context object. * * This function walks vport list and set each SCSI host to block state @@ -439,7 +438,7 @@ lpfc_scsi_dev_block(struct lpfc_hba *phba) } /** - * lpfc_new_scsi_buf: Scsi buffer allocator. + * lpfc_new_scsi_buf - Scsi buffer allocator * @vport: The virtual port for which this call being executed. * * This routine allocates a scsi buffer, which contains all the necessary @@ -563,7 +562,7 @@ lpfc_new_scsi_buf(struct lpfc_vport *vport) } /** - * lpfc_get_scsi_buf: Get a scsi buffer from lpfc_scsi_buf_list list of Hba. + * lpfc_get_scsi_buf - Get a scsi buffer from lpfc_scsi_buf_list list of Hba * @phba: The Hba for which this call is being executed. * * This routine removes a scsi buffer from head of @phba lpfc_scsi_buf_list list @@ -592,7 +591,7 @@ lpfc_get_scsi_buf(struct lpfc_hba * phba) } /** - * lpfc_release_scsi_buf: Return a scsi buffer back to hba lpfc_scsi_buf_list list. + * lpfc_release_scsi_buf - Return a scsi buffer back to hba's lpfc_scsi_buf_list * @phba: The Hba for which this call is being executed. * @psb: The scsi buffer which is being released. * @@ -611,7 +610,7 @@ lpfc_release_scsi_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *psb) } /** - * lpfc_scsi_prep_dma_buf: Routine to do DMA mapping for scsi buffer. + * lpfc_scsi_prep_dma_buf - Routine to do DMA mapping for scsi buffer * @phba: The Hba for which this call is being executed. * @lpfc_cmd: The scsi buffer which is going to be mapped. * @@ -738,7 +737,7 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) * Due to difference in data length between DIF/non-DIF paths, * we need to set word 4 of IOCB here */ - iocb_cmd->un.fcpi.fcpi_parm = le32_to_cpu(scsi_bufflen(scsi_cmnd)); + iocb_cmd->un.fcpi.fcpi_parm = scsi_bufflen(scsi_cmnd); return 0; } @@ -823,9 +822,9 @@ lpfc_cmd_blksize(struct scsi_cmnd *sc) /** * lpfc_get_cmd_dif_parms - Extract DIF parameters from SCSI command * @sc: in: SCSI command - * @apptagmask out: app tag mask - * @apptagval out: app tag value - * @reftag out: ref tag (reference tag) + * @apptagmask: out: app tag mask + * @apptagval: out: app tag value + * @reftag: out: ref tag (reference tag) * * Description: * Extract DIF paramters from the command if possible. Otherwise, @@ -1413,7 +1412,7 @@ out: } /** - * lpfc_send_scsi_error_event: Posts an event when there is SCSI error. + * lpfc_send_scsi_error_event - Posts an event when there is SCSI error * @phba: Pointer to hba context object. * @vport: Pointer to vport object. * @lpfc_cmd: Pointer to lpfc scsi command which reported the error. @@ -1505,7 +1504,7 @@ lpfc_send_scsi_error_event(struct lpfc_hba *phba, struct lpfc_vport *vport, } /** - * lpfc_scsi_unprep_dma_buf: Routine to un-map DMA mapping of scatter gather. + * lpfc_scsi_unprep_dma_buf - Routine to un-map DMA mapping of scatter gather * @phba: The Hba for which this call is being executed. * @psb: The scsi buffer which is going to be un-mapped. * @@ -1530,7 +1529,7 @@ lpfc_scsi_unprep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * psb) } /** - * lpfc_handler_fcp_err: FCP response handler. + * lpfc_handler_fcp_err - FCP response handler * @vport: The virtual port for which this call is being executed. * @lpfc_cmd: Pointer to lpfc_scsi_buf data structure. * @rsp_iocb: The response IOCB which contains FCP error. @@ -1674,7 +1673,7 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd, } /** - * lpfc_scsi_cmd_iocb_cmpl: Scsi cmnd IOCB completion routine. + * lpfc_scsi_cmd_iocb_cmpl - Scsi cmnd IOCB completion routine * @phba: The Hba for which this call is being executed. * @pIocbIn: The command IOCBQ for the scsi cmnd. * @pIocbOut: The response IOCBQ for the scsi cmnd . @@ -1694,10 +1693,12 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, struct lpfc_nodelist *pnode = rdata->pnode; struct scsi_cmnd *cmd = lpfc_cmd->pCmd; int result; - struct scsi_device *sdev, *tmp_sdev; + struct scsi_device *tmp_sdev; int depth = 0; unsigned long flags; struct lpfc_fast_path_event *fast_path_evt; + struct Scsi_Host *shost = cmd->device->host; + uint32_t queue_depth, scsi_id; lpfc_cmd->result = pIocbOut->iocb.un.ulpWord[4]; lpfc_cmd->status = pIocbOut->iocb.ulpStatus; @@ -1808,11 +1809,10 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, lpfc_update_stats(phba, lpfc_cmd); result = cmd->result; - sdev = cmd->device; if (vport->cfg_max_scsicmpl_time && time_after(jiffies, lpfc_cmd->start_time + msecs_to_jiffies(vport->cfg_max_scsicmpl_time))) { - spin_lock_irqsave(sdev->host->host_lock, flags); + spin_lock_irqsave(shost->host_lock, flags); if (pnode && NLP_CHK_NODE_ACT(pnode)) { if (pnode->cmd_qdepth > atomic_read(&pnode->cmd_pending) && @@ -1825,22 +1825,26 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, pnode->last_change_time = jiffies; } - spin_unlock_irqrestore(sdev->host->host_lock, flags); + spin_unlock_irqrestore(shost->host_lock, flags); } else if (pnode && NLP_CHK_NODE_ACT(pnode)) { if ((pnode->cmd_qdepth < LPFC_MAX_TGT_QDEPTH) && time_after(jiffies, pnode->last_change_time + msecs_to_jiffies(LPFC_TGTQ_INTERVAL))) { - spin_lock_irqsave(sdev->host->host_lock, flags); + spin_lock_irqsave(shost->host_lock, flags); pnode->cmd_qdepth += pnode->cmd_qdepth * LPFC_TGTQ_RAMPUP_PCENT / 100; if (pnode->cmd_qdepth > LPFC_MAX_TGT_QDEPTH) pnode->cmd_qdepth = LPFC_MAX_TGT_QDEPTH; pnode->last_change_time = jiffies; - spin_unlock_irqrestore(sdev->host->host_lock, flags); + spin_unlock_irqrestore(shost->host_lock, flags); } } lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd); + + /* The sdev is not guaranteed to be valid post scsi_done upcall. */ + queue_depth = cmd->device->queue_depth; + scsi_id = cmd->device->id; cmd->scsi_done(cmd); if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { @@ -1848,28 +1852,28 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, * If there is a thread waiting for command completion * wake up the thread. */ - spin_lock_irqsave(sdev->host->host_lock, flags); + spin_lock_irqsave(shost->host_lock, flags); lpfc_cmd->pCmd = NULL; if (lpfc_cmd->waitq) wake_up(lpfc_cmd->waitq); - spin_unlock_irqrestore(sdev->host->host_lock, flags); + spin_unlock_irqrestore(shost->host_lock, flags); lpfc_release_scsi_buf(phba, lpfc_cmd); return; } if (!result) - lpfc_rampup_queue_depth(vport, sdev); + lpfc_rampup_queue_depth(vport, queue_depth); if (!result && pnode && NLP_CHK_NODE_ACT(pnode) && ((jiffies - pnode->last_ramp_up_time) > LPFC_Q_RAMP_UP_INTERVAL * HZ) && ((jiffies - pnode->last_q_full_time) > LPFC_Q_RAMP_UP_INTERVAL * HZ) && - (vport->cfg_lun_queue_depth > sdev->queue_depth)) { - shost_for_each_device(tmp_sdev, sdev->host) { + (vport->cfg_lun_queue_depth > queue_depth)) { + shost_for_each_device(tmp_sdev, shost) { if (vport->cfg_lun_queue_depth > tmp_sdev->queue_depth){ - if (tmp_sdev->id != sdev->id) + if (tmp_sdev->id != scsi_id) continue; if (tmp_sdev->ordered_tags) scsi_adjust_queue_depth(tmp_sdev, @@ -1885,7 +1889,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, } lpfc_send_sdev_queuedepth_change_event(phba, vport, pnode, 0xFFFFFFFF, - sdev->queue_depth - 1, sdev->queue_depth); + queue_depth , queue_depth + 1); } /* @@ -1896,8 +1900,8 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, NLP_CHK_NODE_ACT(pnode)) { pnode->last_q_full_time = jiffies; - shost_for_each_device(tmp_sdev, sdev->host) { - if (tmp_sdev->id != sdev->id) + shost_for_each_device(tmp_sdev, shost) { + if (tmp_sdev->id != scsi_id) continue; depth = scsi_track_queue_full(tmp_sdev, tmp_sdev->queue_depth - 1); @@ -1909,7 +1913,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, * scsi_track_queue_full. */ if (depth == -1) - depth = sdev->host->cmd_per_lun; + depth = shost->cmd_per_lun; if (depth) { lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP, @@ -1925,17 +1929,17 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, * If there is a thread waiting for command completion * wake up the thread. */ - spin_lock_irqsave(sdev->host->host_lock, flags); + spin_lock_irqsave(shost->host_lock, flags); lpfc_cmd->pCmd = NULL; if (lpfc_cmd->waitq) wake_up(lpfc_cmd->waitq); - spin_unlock_irqrestore(sdev->host->host_lock, flags); + spin_unlock_irqrestore(shost->host_lock, flags); lpfc_release_scsi_buf(phba, lpfc_cmd); } /** - * lpfc_fcpcmd_to_iocb - copy the fcp_cmd data into the IOCB. + * lpfc_fcpcmd_to_iocb - copy the fcp_cmd data into the IOCB * @data: A pointer to the immediate command data portion of the IOCB. * @fcp_cmnd: The FCP Command that is provided by the SCSI layer. * @@ -1953,7 +1957,7 @@ lpfc_fcpcmd_to_iocb(uint8_t *data, struct fcp_cmnd *fcp_cmnd) } /** - * lpfc_scsi_prep_cmnd: Routine to convert scsi cmnd to FCP information unit. + * lpfc_scsi_prep_cmnd - Routine to convert scsi cmnd to FCP information unit * @vport: The virtual port for which this call is being executed. * @lpfc_cmd: The scsi command which needs to send. * @pnode: Pointer to lpfc_nodelist. @@ -2047,7 +2051,7 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd, } /** - * lpfc_scsi_prep_task_mgmt_cmnd: Convert scsi TM cmnd to FCP information unit. + * lpfc_scsi_prep_task_mgmt_cmnd - Convert scsi TM cmnd to FCP information unit * @vport: The virtual port for which this call is being executed. * @lpfc_cmd: Pointer to lpfc_scsi_buf data structure. * @lun: Logical unit number. @@ -2110,7 +2114,7 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_vport *vport, } /** - * lpc_taskmgmt_def_cmpl: IOCB completion routine for task management command. + * lpfc_taskmgmt_def_cmpl - IOCB completion routine for task management command * @phba: The Hba for which this call is being executed. * @cmdiocbq: Pointer to lpfc_iocbq data structure. * @rspiocbq: Pointer to lpfc_iocbq data structure. @@ -2131,7 +2135,7 @@ lpfc_tskmgmt_def_cmpl(struct lpfc_hba *phba, } /** - * lpfc_scsi_tgt_reset: Target reset handler. + * lpfc_scsi_tgt_reset - Target reset handler * @lpfc_cmd: Pointer to lpfc_scsi_buf data structure * @vport: The virtual port for which this call is being executed. * @tgt_id: Target ID. @@ -2198,7 +2202,7 @@ lpfc_scsi_tgt_reset(struct lpfc_scsi_buf *lpfc_cmd, struct lpfc_vport *vport, } /** - * lpfc_info: Info entry point of scsi_host_template data structure. + * lpfc_info - Info entry point of scsi_host_template data structure * @host: The scsi host for which this call is being executed. * * This routine provides module information about hba. @@ -2236,7 +2240,7 @@ lpfc_info(struct Scsi_Host *host) } /** - * lpfc_poll_rearm_time: Routine to modify fcp_poll timer of hba. + * lpfc_poll_rearm_time - Routine to modify fcp_poll timer of hba * @phba: The Hba for which this call is being executed. * * This routine modifies fcp_poll_timer field of @phba by cfg_poll_tmo. @@ -2253,7 +2257,7 @@ static __inline__ void lpfc_poll_rearm_timer(struct lpfc_hba * phba) } /** - * lpfc_poll_start_timer: Routine to start fcp_poll_timer of HBA. + * lpfc_poll_start_timer - Routine to start fcp_poll_timer of HBA * @phba: The Hba for which this call is being executed. * * This routine starts the fcp_poll_timer of @phba. @@ -2264,7 +2268,7 @@ void lpfc_poll_start_timer(struct lpfc_hba * phba) } /** - * lpfc_poll_timeout: Restart polling timer. + * lpfc_poll_timeout - Restart polling timer * @ptr: Map to lpfc_hba data structure pointer. * * This routine restarts fcp_poll timer, when FCP ring polling is enable @@ -2283,8 +2287,7 @@ void lpfc_poll_timeout(unsigned long ptr) } /** - * lpfc_queuecommand: Queuecommand entry point of Scsi Host Templater data - * structure. + * lpfc_queuecommand - scsi_host_template queuecommand entry point * @cmnd: Pointer to scsi_cmnd data structure. * @done: Pointer to done routine. * @@ -2450,7 +2453,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) } /** - * lpfc_block_error_handler: Routine to block error handler. + * lpfc_block_error_handler - Routine to block error handler * @cmnd: Pointer to scsi_cmnd data structure. * * This routine blocks execution till fc_rport state is not FC_PORSTAT_BLCOEKD. @@ -2472,8 +2475,7 @@ lpfc_block_error_handler(struct scsi_cmnd *cmnd) } /** - * lpfc_abort_handler: Eh_abort_handler entry point of Scsi Host Template data - *structure. + * lpfc_abort_handler - scsi_host_template eh_abort_handler entry point * @cmnd: Pointer to scsi_cmnd data structure. * * This routine aborts @cmnd pending in base driver. @@ -2578,8 +2580,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd) } /** - * lpfc_device_reset_handler: eh_device_reset entry point of Scsi Host Template - *data structure. + * lpfc_device_reset_handler - scsi_host_template eh_device_reset entry point * @cmnd: Pointer to scsi_cmnd data structure. * * This routine does a device reset by sending a TARGET_RESET task management @@ -2587,7 +2588,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd) * * Return code : * 0x2003 - Error - * 0ex2002 - Success + * 0x2002 - Success **/ static int lpfc_device_reset_handler(struct scsi_cmnd *cmnd) @@ -2707,8 +2708,7 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd) } /** - * lpfc_bus_reset_handler: eh_bus_reset_handler entry point of Scsi Host - * Template data structure. + * lpfc_bus_reset_handler - scsi_host_template eh_bus_reset_handler entry point * @cmnd: Pointer to scsi_cmnd data structure. * * This routine does target reset to all target on @cmnd->device->host. @@ -2808,8 +2808,7 @@ lpfc_bus_reset_handler(struct scsi_cmnd *cmnd) } /** - * lpfc_slave_alloc: slave_alloc entry point of Scsi Host Template data - * structure. + * lpfc_slave_alloc - scsi_host_template slave_alloc entry point * @sdev: Pointer to scsi_device. * * This routine populates the cmds_per_lun count + 2 scsi_bufs into this host's @@ -2883,8 +2882,7 @@ lpfc_slave_alloc(struct scsi_device *sdev) } /** - * lpfc_slave_configure: slave_configure entry point of Scsi Host Templater data - * structure. + * lpfc_slave_configure - scsi_host_template slave_configure entry point * @sdev: Pointer to scsi_device. * * This routine configures following items @@ -2925,7 +2923,7 @@ lpfc_slave_configure(struct scsi_device *sdev) } /** - * lpfc_slave_destroy: slave_destroy entry point of SHT data structure. + * lpfc_slave_destroy - slave_destroy entry point of SHT data structure * @sdev: Pointer to scsi_device. * * This routine sets @sdev hostatdata filed to null. diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index a36a120561e2..eb5c75c45ba4 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -68,7 +68,7 @@ typedef enum _lpfc_iocb_type { } lpfc_iocb_type; /** - * lpfc_cmd_iocb: Get next command iocb entry in the ring. + * lpfc_cmd_iocb - Get next command iocb entry in the ring * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -85,7 +85,7 @@ lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_resp_iocb: Get next response iocb entry in the ring. + * lpfc_resp_iocb - Get next response iocb entry in the ring * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -102,7 +102,7 @@ lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * __lpfc_sli_get_iocbq: Allocates an iocb object from iocb pool. + * __lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool * @phba: Pointer to HBA context object. * * This function is called with hbalock held. This function @@ -121,7 +121,7 @@ __lpfc_sli_get_iocbq(struct lpfc_hba *phba) } /** - * lpfc_sli_get_iocbq: Allocates an iocb object from iocb pool. + * lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool * @phba: Pointer to HBA context object. * * This function is called with no lock held. This function @@ -142,7 +142,7 @@ lpfc_sli_get_iocbq(struct lpfc_hba *phba) } /** - * __lpfc_sli_release_iocbq: Release iocb to the iocb pool. + * __lpfc_sli_release_iocbq - Release iocb to the iocb pool * @phba: Pointer to HBA context object. * @iocbq: Pointer to driver iocb object. * @@ -164,7 +164,7 @@ __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) } /** - * lpfc_sli_release_iocbq: Release iocb to the iocb pool. + * lpfc_sli_release_iocbq - Release iocb to the iocb pool * @phba: Pointer to HBA context object. * @iocbq: Pointer to driver iocb object. * @@ -185,8 +185,40 @@ lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) } /** - * lpfc_sli_iocb_cmd_type: Get the iocb type. - * @iocb_cmnd : iocb command code. + * lpfc_sli_cancel_iocbs - Cancel all iocbs from a list. + * @phba: Pointer to HBA context object. + * @iocblist: List of IOCBs. + * @ulpstatus: ULP status in IOCB command field. + * @ulpWord4: ULP word-4 in IOCB command field. + * + * This function is called with a list of IOCBs to cancel. It cancels the IOCB + * on the list by invoking the complete callback function associated with the + * IOCB with the provided @ulpstatus and @ulpword4 set to the IOCB commond + * fields. + **/ +void +lpfc_sli_cancel_iocbs(struct lpfc_hba *phba, struct list_head *iocblist, + uint32_t ulpstatus, uint32_t ulpWord4) +{ + struct lpfc_iocbq *piocb; + + while (!list_empty(iocblist)) { + list_remove_head(iocblist, piocb, struct lpfc_iocbq, list); + + if (!piocb->iocb_cmpl) + lpfc_sli_release_iocbq(phba, piocb); + else { + piocb->iocb.ulpStatus = ulpstatus; + piocb->iocb.un.ulpWord[4] = ulpWord4; + (piocb->iocb_cmpl) (phba, piocb, piocb); + } + } + return; +} + +/** + * lpfc_sli_iocb_cmd_type - Get the iocb type + * @iocb_cmnd: iocb command code. * * This function is called by ring event handler function to get the iocb type. * This function translates the iocb command to an iocb command type used to @@ -295,7 +327,7 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) } /** - * lpfc_sli_ring_map: Issue config_ring mbox for all rings. + * lpfc_sli_ring_map - Issue config_ring mbox for all rings * @phba: Pointer to HBA context object. * * This function is called from SLI initialization code @@ -338,7 +370,7 @@ lpfc_sli_ring_map(struct lpfc_hba *phba) } /** - * lpfc_sli_ringtxcmpl_put: Adds new iocb to the txcmplq. + * lpfc_sli_ringtxcmpl_put - Adds new iocb to the txcmplq * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @piocb: Pointer to the driver iocb object. @@ -370,7 +402,7 @@ lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_ringtx_get: Get first element of the txq. + * lpfc_sli_ringtx_get - Get first element of the txq * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -391,7 +423,7 @@ lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_sli_next_iocb_slot: Get next iocb slot in the ring. + * lpfc_sli_next_iocb_slot - Get next iocb slot in the ring * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -445,7 +477,7 @@ lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_sli_next_iotag: Get an iotag for the iocb. + * lpfc_sli_next_iotag - Get an iotag for the iocb * @phba: Pointer to HBA context object. * @iocbq: Pointer to driver iocb object. * @@ -520,7 +552,7 @@ lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) } /** - * lpfc_sli_submit_iocb: Submit an iocb to the firmware. + * lpfc_sli_submit_iocb - Submit an iocb to the firmware * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @iocb: Pointer to iocb slot in the ring. @@ -577,7 +609,7 @@ lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_update_full_ring: Update the chip attention register. + * lpfc_sli_update_full_ring - Update the chip attention register * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -608,7 +640,7 @@ lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_sli_update_ring: Update chip attention register. + * lpfc_sli_update_ring - Update chip attention register * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -632,7 +664,7 @@ lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_sli_resume_iocb: Process iocbs in the txq. + * lpfc_sli_resume_iocb - Process iocbs in the txq * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -672,7 +704,7 @@ lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_sli_next_hbq_slot: Get next hbq entry for the HBQ. + * lpfc_sli_next_hbq_slot - Get next hbq entry for the HBQ * @phba: Pointer to HBA context object. * @hbqno: HBQ number. * @@ -717,7 +749,7 @@ lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno) } /** - * lpfc_sli_hbqbuf_free_all: Free all the hbq buffers. + * lpfc_sli_hbqbuf_free_all - Free all the hbq buffers * @phba: Pointer to HBA context object. * * This function is called with no lock held to free all the @@ -771,7 +803,7 @@ lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba) } /** - * lpfc_sli_hbq_to_firmware: Post the hbq buffer to firmware. + * lpfc_sli_hbq_to_firmware - Post the hbq buffer to firmware * @phba: Pointer to HBA context object. * @hbqno: HBQ number. * @hbq_buf: Pointer to HBQ buffer. @@ -818,8 +850,8 @@ static struct lpfc_hbq_init lpfc_els_hbq = { .profile = 0, .ring_mask = (1 << LPFC_ELS_RING), .buffer_count = 0, - .init_count = 20, - .add_count = 5, + .init_count = 40, + .add_count = 40, }; /* HBQ for the extra ring if needed */ @@ -841,7 +873,7 @@ struct lpfc_hbq_init *lpfc_hbq_defs[] = { }; /** - * lpfc_sli_hbqbuf_fill_hbqs: Post more hbq buffers to HBQ. + * lpfc_sli_hbqbuf_fill_hbqs - Post more hbq buffers to HBQ * @phba: Pointer to HBA context object. * @hbqno: HBQ number. * @count: Number of HBQ buffers to be posted. @@ -901,7 +933,7 @@ err: } /** - * lpfc_sli_hbqbuf_add_hbqs: Post more HBQ buffers to firmware. + * lpfc_sli_hbqbuf_add_hbqs - Post more HBQ buffers to firmware * @phba: Pointer to HBA context object. * @qno: HBQ number. * @@ -917,7 +949,7 @@ lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno) } /** - * lpfc_sli_hbqbuf_init_hbqs: Post initial buffers to the HBQ. + * lpfc_sli_hbqbuf_init_hbqs - Post initial buffers to the HBQ * @phba: Pointer to HBA context object. * @qno: HBQ queue number. * @@ -933,7 +965,7 @@ lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno) } /** - * lpfc_sli_hbqbuf_find: Find the hbq buffer associated with a tag. + * lpfc_sli_hbqbuf_find - Find the hbq buffer associated with a tag * @phba: Pointer to HBA context object. * @tag: Tag of the hbq buffer. * @@ -966,7 +998,7 @@ lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag) } /** - * lpfc_sli_free_hbq: Give back the hbq buffer to firmware. + * lpfc_sli_free_hbq - Give back the hbq buffer to firmware * @phba: Pointer to HBA context object. * @hbq_buffer: Pointer to HBQ buffer. * @@ -988,7 +1020,7 @@ lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer) } /** - * lpfc_sli_chk_mbx_command: Check if the mailbox is a legitimate mailbox. + * lpfc_sli_chk_mbx_command - Check if the mailbox is a legitimate mailbox * @mbxCommand: mailbox command code. * * This function is called by the mailbox event handler function to verify @@ -1064,8 +1096,7 @@ lpfc_sli_chk_mbx_command(uint8_t mbxCommand) } /** - * lpfc_sli_wake_mbox_wait: Completion handler for mbox issued from - * lpfc_sli_issue_mbox_wait. + * lpfc_sli_wake_mbox_wait - lpfc_sli_issue_mbox_wait mbox completion handler * @phba: Pointer to HBA context object. * @pmboxq: Pointer to mailbox command. * @@ -1096,7 +1127,7 @@ lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) /** - * lpfc_sli_def_mbox_cmpl: Default mailbox completion handler. + * lpfc_sli_def_mbox_cmpl - Default mailbox completion handler * @phba: Pointer to HBA context object. * @pmb: Pointer to mailbox object. * @@ -1140,7 +1171,7 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /** - * lpfc_sli_handle_mb_event: Handle mailbox completions from firmware. + * lpfc_sli_handle_mb_event - Handle mailbox completions from firmware * @phba: Pointer to HBA context object. * * This function is called with no lock held. This function processes all @@ -1260,7 +1291,7 @@ lpfc_sli_handle_mb_event(struct lpfc_hba *phba) } /** - * lpfc_sli_get_buff: Get the buffer associated with the buffer tag. + * lpfc_sli_get_buff - Get the buffer associated with the buffer tag * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @tag: buffer tag. @@ -1288,7 +1319,7 @@ lpfc_sli_get_buff(struct lpfc_hba *phba, /** - * lpfc_sli_process_unsol_iocb: Unsolicited iocb handler. + * lpfc_sli_process_unsol_iocb - Unsolicited iocb handler * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @saveq: Pointer to the unsolicited iocb. @@ -1484,7 +1515,7 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_iocbq_lookup: Find command iocb for the given response iocb. + * lpfc_sli_iocbq_lookup - Find command iocb for the given response iocb * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @prspiocb: Pointer to response iocb object. @@ -1521,7 +1552,7 @@ lpfc_sli_iocbq_lookup(struct lpfc_hba *phba, } /** - * lpfc_sli_process_sol_iocb: process solicited iocb completion. + * lpfc_sli_process_sol_iocb - process solicited iocb completion * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @saveq: Pointer to the response iocb to be processed. @@ -1597,7 +1628,7 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, * Ring <ringno> handler: unexpected completion IoTag * <IoTag> */ - lpfc_printf_vlog(cmdiocbp->vport, KERN_WARNING, LOG_SLI, + lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, "0322 Ring %d handler: " "unexpected completion IoTag x%x " "Data: x%x x%x x%x x%x\n", @@ -1614,7 +1645,7 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_rsp_pointers_error: Response ring pointer error handler. + * lpfc_sli_rsp_pointers_error - Response ring pointer error handler * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -1652,7 +1683,7 @@ lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } /** - * lpfc_poll_eratt: Error attention polling timer timeout handler. + * lpfc_poll_eratt - Error attention polling timer timeout handler * @ptr: Pointer to address of HBA context object. * * This function is invoked by the Error Attention polling timer when the @@ -1682,7 +1713,7 @@ void lpfc_poll_eratt(unsigned long ptr) } /** - * lpfc_sli_poll_fcp_ring: Handle FCP ring completion in polling mode. + * lpfc_sli_poll_fcp_ring - Handle FCP ring completion in polling mode * @phba: Pointer to HBA context object. * * This function is called from lpfc_queuecommand, lpfc_poll_timeout, @@ -1845,7 +1876,7 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba) } /** - * lpfc_sli_handle_fast_ring_event: Handle ring events on FCP ring. + * lpfc_sli_handle_fast_ring_event - Handle ring events on FCP ring * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @mask: Host attention register mask for this ring. @@ -2037,7 +2068,7 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba, } /** - * lpfc_sli_handle_slow_ring_event: Handle ring events for non-FCP rings. + * lpfc_sli_handle_slow_ring_event - Handle ring events for non-FCP rings * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @mask: Host attention register mask for this ring. @@ -2311,7 +2342,7 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba, } /** - * lpfc_sli_abort_iocb_ring: Abort all iocbs in the ring. + * lpfc_sli_abort_iocb_ring - Abort all iocbs in the ring * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @@ -2325,7 +2356,6 @@ lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { LIST_HEAD(completions); struct lpfc_iocbq *iocb, *next_iocb; - IOCB_t *cmd = NULL; if (pring->ringno == LPFC_ELS_RING) { lpfc_fabric_abort_hba(phba); @@ -2344,23 +2374,13 @@ lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) spin_unlock_irq(&phba->hbalock); - while (!list_empty(&completions)) { - iocb = list_get_first(&completions, struct lpfc_iocbq, list); - cmd = &iocb->iocb; - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); } /** - * lpfc_sli_flush_fcp_rings: flush all iocbs in the fcp ring. + * lpfc_sli_flush_fcp_rings - flush all iocbs in the fcp ring * @phba: Pointer to HBA context object. * * This function flushes all iocbs in the fcp ring and frees all the iocb @@ -2374,8 +2394,6 @@ lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba) { LIST_HEAD(txq); LIST_HEAD(txcmplq); - struct lpfc_iocbq *iocb; - IOCB_t *cmd = NULL; struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring; @@ -2393,38 +2411,16 @@ lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba) spin_unlock_irq(&phba->hbalock); /* Flush the txq */ - while (!list_empty(&txq)) { - iocb = list_get_first(&txq, struct lpfc_iocbq, list); - cmd = &iocb->iocb; - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_DOWN; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + lpfc_sli_cancel_iocbs(phba, &txq, IOSTAT_LOCAL_REJECT, + IOERR_SLI_DOWN); /* Flush the txcmpq */ - while (!list_empty(&txcmplq)) { - iocb = list_get_first(&txcmplq, struct lpfc_iocbq, list); - cmd = &iocb->iocb; - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_DOWN; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + lpfc_sli_cancel_iocbs(phba, &txcmplq, IOSTAT_LOCAL_REJECT, + IOERR_SLI_DOWN); } /** - * lpfc_sli_brdready: Check for host status bits. + * lpfc_sli_brdready - Check for host status bits * @phba: Pointer to HBA context object. * @mask: Bit mask to be checked. * @@ -2484,7 +2480,7 @@ lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask) #define BARRIER_TEST_PATTERN (0xdeadbeef) /** - * lpfc_reset_barrier: Make HBA ready for HBA reset. + * lpfc_reset_barrier - Make HBA ready for HBA reset * @phba: Pointer to HBA context object. * * This function is called before resetting an HBA. This @@ -2564,7 +2560,7 @@ restore_hc: } /** - * lpfc_sli_brdkill: Issue a kill_board mailbox command. + * lpfc_sli_brdkill - Issue a kill_board mailbox command * @phba: Pointer to HBA context object. * * This function issues a kill_board mailbox command and waits for @@ -2651,7 +2647,7 @@ lpfc_sli_brdkill(struct lpfc_hba *phba) } /** - * lpfc_sli_brdreset: Reset the HBA. + * lpfc_sli_brdreset - Reset the HBA * @phba: Pointer to HBA context object. * * This function resets the HBA by writing HC_INITFF to the control @@ -2714,7 +2710,7 @@ lpfc_sli_brdreset(struct lpfc_hba *phba) } /** - * lpfc_sli_brdrestart: Restart the HBA. + * lpfc_sli_brdrestart - Restart the HBA * @phba: Pointer to HBA context object. * * This function is called in the SLI initialization code path to @@ -2781,7 +2777,7 @@ lpfc_sli_brdrestart(struct lpfc_hba *phba) } /** - * lpfc_sli_chipset_init: Wait for the restart of the HBA after a restart. + * lpfc_sli_chipset_init - Wait for the restart of the HBA after a restart * @phba: Pointer to HBA context object. * * This function is called after a HBA restart to wait for successful @@ -2876,7 +2872,7 @@ lpfc_sli_chipset_init(struct lpfc_hba *phba) } /** - * lpfc_sli_hbq_count: Get the number of HBQs to be configured. + * lpfc_sli_hbq_count - Get the number of HBQs to be configured * * This function calculates and returns the number of HBQs required to be * configured. @@ -2888,7 +2884,7 @@ lpfc_sli_hbq_count(void) } /** - * lpfc_sli_hbq_entry_count: Calculate total number of hbq entries. + * lpfc_sli_hbq_entry_count - Calculate total number of hbq entries * * This function adds the number of hbq entries in every HBQ to get * the total number of hbq entries required for the HBA and returns @@ -2907,7 +2903,7 @@ lpfc_sli_hbq_entry_count(void) } /** - * lpfc_sli_hbq_size: Calculate memory required for all hbq entries. + * lpfc_sli_hbq_size - Calculate memory required for all hbq entries * * This function calculates amount of memory required for all hbq entries * to be configured and returns the total memory required. @@ -2919,7 +2915,7 @@ lpfc_sli_hbq_size(void) } /** - * lpfc_sli_hbq_setup: configure and initialize HBQs. + * lpfc_sli_hbq_setup - configure and initialize HBQs * @phba: Pointer to HBA context object. * * This function is called during the SLI initialization to configure @@ -2988,7 +2984,7 @@ lpfc_sli_hbq_setup(struct lpfc_hba *phba) } /** - * lpfc_sli_config_port: Issue config port mailbox command. + * lpfc_sli_config_port - Issue config port mailbox command * @phba: Pointer to HBA context object. * @sli_mode: sli mode - 2/3 * @@ -3114,7 +3110,7 @@ do_prep_failed: /** - * lpfc_sli_hba_setup: SLI intialization function. + * lpfc_sli_hba_setup - SLI intialization function * @phba: Pointer to HBA context object. * * This function is the main SLI intialization function. This function @@ -3206,7 +3202,7 @@ lpfc_sli_hba_setup_error: /** - * lpfc_mbox_timeout: Timeout call back function for mbox timer. + * lpfc_mbox_timeout - Timeout call back function for mbox timer * @ptr: context object - pointer to hba structure. * * This is the callback function for mailbox timer. The mailbox @@ -3237,7 +3233,7 @@ lpfc_mbox_timeout(unsigned long ptr) /** - * lpfc_mbox_timeout_handler: Worker thread function to handle mailbox timeout. + * lpfc_mbox_timeout_handler - Worker thread function to handle mailbox timeout * @phba: Pointer to HBA context object. * * This function is called from worker thread when a mailbox command times out. @@ -3252,6 +3248,21 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba) struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring; + /* Check the pmbox pointer first. There is a race condition + * between the mbox timeout handler getting executed in the + * worklist and the mailbox actually completing. When this + * race condition occurs, the mbox_active will be NULL. + */ + spin_lock_irq(&phba->hbalock); + if (pmbox == NULL) { + lpfc_printf_log(phba, KERN_WARNING, + LOG_MBOX | LOG_SLI, + "0353 Active Mailbox cleared - mailbox timeout " + "exiting\n"); + spin_unlock_irq(&phba->hbalock); + return; + } + /* Mbox cmd <mbxCommand> timeout */ lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, "0310 Mailbox command x%x timeout Data: x%x x%x x%p\n", @@ -3259,6 +3270,7 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba) phba->pport->port_state, phba->sli.sli_flag, phba->sli.mbox_active); + spin_unlock_irq(&phba->hbalock); /* Setting state unknown so lpfc_sli_abort_iocb_ring * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing @@ -3295,7 +3307,7 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba) } /** - * lpfc_sli_issue_mbox: Issue a mailbox command to firmware. + * lpfc_sli_issue_mbox - Issue a mailbox command to firmware * @phba: Pointer to HBA context object. * @pmbox: Pointer to mailbox object. * @flag: Flag indicating how the mailbox need to be processed. @@ -3365,6 +3377,12 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) goto out_not_finished; } + /* If HBA has a deferred error attention, fail the iocb. */ + if (unlikely(phba->hba_flag & DEFER_ERATT)) { + spin_unlock_irqrestore(&phba->hbalock, drvr_flag); + goto out_not_finished; + } + psli = &phba->sli; mb = &pmbox->mb; @@ -3632,7 +3650,7 @@ out_not_finished: } /** - * __lpfc_sli_ringtx_put: Add an iocb to the txq. + * __lpfc_sli_ringtx_put - Add an iocb to the txq * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @piocb: Pointer to address of newly added command iocb. @@ -3651,7 +3669,7 @@ __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_next_iocb: Get the next iocb in the txq. + * lpfc_sli_next_iocb - Get the next iocb in the txq * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @piocb: Pointer to address of newly added command iocb. @@ -3683,7 +3701,7 @@ lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * __lpfc_sli_issue_iocb: Lockless version of lpfc_sli_issue_iocb. + * __lpfc_sli_issue_iocb - Lockless version of lpfc_sli_issue_iocb * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @piocb: Pointer to command iocb. @@ -3729,6 +3747,10 @@ __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, if (unlikely(pci_channel_offline(phba->pcidev))) return IOCB_ERROR; + /* If HBA has a deferred error attention, fail the iocb. */ + if (unlikely(phba->hba_flag & DEFER_ERATT)) + return IOCB_ERROR; + /* * We should never get an IOCB if we are in a < LINK_DOWN state */ @@ -3813,7 +3835,7 @@ __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, /** - * lpfc_sli_issue_iocb: Wrapper function for __lpfc_sli_issue_iocb. + * lpfc_sli_issue_iocb - Wrapper function for __lpfc_sli_issue_iocb * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @piocb: Pointer to command iocb. @@ -3840,7 +3862,7 @@ lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_extra_ring_setup: Extra ring setup function. + * lpfc_extra_ring_setup - Extra ring setup function * @phba: Pointer to HBA context object. * * This function is called while driver attaches with the @@ -3886,7 +3908,7 @@ lpfc_extra_ring_setup( struct lpfc_hba *phba) } /** - * lpfc_sli_async_event_handler: ASYNC iocb handler function. + * lpfc_sli_async_event_handler - ASYNC iocb handler function * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @iocbq: Pointer to iocb object. @@ -3907,6 +3929,7 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba, uint16_t temp; struct temp_event temp_event_data; struct Scsi_Host *shost; + uint32_t *iocb_w; icmd = &iocbq->iocb; evt_code = icmd->un.asyncstat.evt_code; @@ -3914,13 +3937,23 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba, if ((evt_code != ASYNC_TEMP_WARN) && (evt_code != ASYNC_TEMP_SAFE)) { + iocb_w = (uint32_t *) icmd; lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "0346 Ring %d handler: unexpected ASYNC_STATUS" - " evt_code 0x%x\n", + " evt_code 0x%x \n" + "W0 0x%08x W1 0x%08x W2 0x%08x W3 0x%08x\n" + "W4 0x%08x W5 0x%08x W6 0x%08x W7 0x%08x\n" + "W8 0x%08x W9 0x%08x W10 0x%08x W11 0x%08x\n" + "W12 0x%08x W13 0x%08x W14 0x%08x W15 0x%08x\n", pring->ringno, - icmd->un.asyncstat.evt_code); + icmd->un.asyncstat.evt_code, + iocb_w[0], iocb_w[1], iocb_w[2], iocb_w[3], + iocb_w[4], iocb_w[5], iocb_w[6], iocb_w[7], + iocb_w[8], iocb_w[9], iocb_w[10], iocb_w[11], + iocb_w[12], iocb_w[13], iocb_w[14], iocb_w[15]); + return; } temp_event_data.data = (uint32_t)temp; @@ -3954,7 +3987,7 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba, /** - * lpfc_sli_setup: SLI ring setup function. + * lpfc_sli_setup - SLI ring setup function * @phba: Pointer to HBA context object. * * lpfc_sli_setup sets up rings of the SLI interface with @@ -4076,7 +4109,7 @@ lpfc_sli_setup(struct lpfc_hba *phba) } /** - * lpfc_sli_queue_setup: Queue initialization function. + * lpfc_sli_queue_setup - Queue initialization function * @phba: Pointer to HBA context object. * * lpfc_sli_queue_setup sets up mailbox queues and iocb queues for each @@ -4115,7 +4148,7 @@ lpfc_sli_queue_setup(struct lpfc_hba *phba) } /** - * lpfc_sli_host_down: Vport cleanup function. + * lpfc_sli_host_down - Vport cleanup function * @vport: Pointer to virtual port object. * * lpfc_sli_host_down is called to clean up the resources @@ -4179,22 +4212,14 @@ lpfc_sli_host_down(struct lpfc_vport *vport) spin_unlock_irqrestore(&phba->hbalock, flags); - while (!list_empty(&completions)) { - list_remove_head(&completions, iocb, struct lpfc_iocbq, list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - iocb->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; - iocb->iocb.un.ulpWord[4] = IOERR_SLI_DOWN; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_DOWN); return 1; } /** - * lpfc_sli_hba_down: Resource cleanup function for the HBA. + * lpfc_sli_hba_down - Resource cleanup function for the HBA * @phba: Pointer to HBA context object. * * This function cleans up all iocb, buffers, mailbox commands @@ -4216,8 +4241,6 @@ lpfc_sli_hba_down(struct lpfc_hba *phba) struct lpfc_sli_ring *pring; struct lpfc_dmabuf *buf_ptr; LPFC_MBOXQ_t *pmb; - struct lpfc_iocbq *iocb; - IOCB_t *cmd = NULL; int i; unsigned long flags = 0; @@ -4245,18 +4268,9 @@ lpfc_sli_hba_down(struct lpfc_hba *phba) } spin_unlock_irqrestore(&phba->hbalock, flags); - while (!list_empty(&completions)) { - list_remove_head(&completions, iocb, struct lpfc_iocbq, list); - cmd = &iocb->iocb; - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_DOWN; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, + IOERR_SLI_DOWN); spin_lock_irqsave(&phba->hbalock, flags); list_splice_init(&phba->elsbuf, &completions); @@ -4299,7 +4313,7 @@ lpfc_sli_hba_down(struct lpfc_hba *phba) } /** - * lpfc_sli_pcimem_bcopy: SLI memory copy function. + * lpfc_sli_pcimem_bcopy - SLI memory copy function * @srcp: Source memory pointer. * @destp: Destination memory pointer. * @cnt: Number of words required to be copied. @@ -4329,7 +4343,7 @@ lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) /** - * lpfc_sli_ringpostbuf_put: Function to add a buffer to postbufq. + * lpfc_sli_ringpostbuf_put - Function to add a buffer to postbufq * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @mp: Pointer to driver buffer object. @@ -4352,8 +4366,7 @@ lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_get_buffer_tag: Tag allocation function for a buffer posted - * using CMD_QUE_XRI64_CX iocb. + * lpfc_sli_get_buffer_tag - allocates a tag for a CMD_QUE_XRI64_CX buffer * @phba: Pointer to HBA context object. * * When HBQ is enabled, buffers are searched based on tags. This function @@ -4378,8 +4391,7 @@ lpfc_sli_get_buffer_tag(struct lpfc_hba *phba) } /** - * lpfc_sli_ring_taggedbuf_get: Search HBQ buffer associated with - * posted using CMD_QUE_XRI64_CX iocb. + * lpfc_sli_ring_taggedbuf_get - find HBQ buffer associated with given tag * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @tag: Buffer tag. @@ -4422,8 +4434,7 @@ lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_ringpostbuf_get: SLI2 buffer search function for - * unsolicited ct and els events. + * lpfc_sli_ringpostbuf_get - search buffers for unsolicited CT and ELS events * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @phys: DMA address of the buffer. @@ -4466,7 +4477,7 @@ lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_abort_els_cmpl: Completion handler for the els abort iocbs. + * lpfc_sli_abort_els_cmpl - Completion handler for the els abort iocbs * @phba: Pointer to HBA context object. * @cmdiocb: Pointer to driver command iocb object. * @rspiocb: Pointer to driver response iocb object. @@ -4542,7 +4553,7 @@ lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_ignore_els_cmpl: Completion handler for aborted ELS command. + * lpfc_ignore_els_cmpl - Completion handler for aborted ELS command * @phba: Pointer to HBA context object. * @cmdiocb: Pointer to driver command iocb object. * @rspiocb: Pointer to driver response iocb object. @@ -4572,7 +4583,7 @@ lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_sli_issue_abort_iotag: Abort function for a command iocb. + * lpfc_sli_issue_abort_iotag - Abort function for a command iocb * @phba: Pointer to HBA context object. * @pring: Pointer to driver SLI ring object. * @cmdiocb: Pointer to driver command iocb object. @@ -4658,15 +4669,14 @@ abort_iotag_exit: } /** - * lpfc_sli_validate_fcp_iocb: Filtering function, used to find commands - * associated with a vport/SCSI target/lun. + * lpfc_sli_validate_fcp_iocb - find commands associated with a vport or LUN * @iocbq: Pointer to driver iocb object. * @vport: Pointer to driver virtual port object. * @tgt_id: SCSI ID of the target. * @lun_id: LUN ID of the scsi device. * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST * - * This function acts as iocb filter for functions which abort or count + * This function acts as an iocb filter for functions which abort or count * all FCP iocbs pending on a lun/SCSI target/SCSI host. It will return * 0 if the filtering criteria is met for the given iocb and will return * 1 if the filtering criteria is not met. @@ -4724,7 +4734,7 @@ lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport, } /** - * lpfc_sli_sum_iocb: Function to count the number of FCP iocbs pending. + * lpfc_sli_sum_iocb - Function to count the number of FCP iocbs pending * @vport: Pointer to virtual port. * @tgt_id: SCSI ID of the target. * @lun_id: LUN ID of the scsi device. @@ -4762,8 +4772,7 @@ lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id, } /** - * lpfc_sli_abort_fcp_cmpl: Completion handler function for an aborted - * FCP iocb. + * lpfc_sli_abort_fcp_cmpl - Completion handler function for aborted FCP IOCBs * @phba: Pointer to HBA context object * @cmdiocb: Pointer to command iocb object. * @rspiocb: Pointer to response iocb object. @@ -4781,8 +4790,7 @@ lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /** - * lpfc_sli_abort_iocb: This function issue abort for all SCSI commands - * pending on a SCSI host(vport)/target/lun. + * lpfc_sli_abort_iocb - issue abort for all commands on a host/target/LUN * @vport: Pointer to virtual port. * @pring: Pointer to driver SLI ring object. * @tgt_id: SCSI ID of the target. @@ -4854,8 +4862,7 @@ lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, } /** - * lpfc_sli_wake_iocb_wait: iocb completion handler for iocb issued using - * lpfc_sli_issue_iocb_wait. + * lpfc_sli_wake_iocb_wait - lpfc_sli_issue_iocb_wait's completion handler * @phba: Pointer to HBA context object. * @cmdiocbq: Pointer to command iocb. * @rspiocbq: Pointer to response iocb. @@ -4893,7 +4900,7 @@ lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, } /** - * lpfc_sli_issue_iocb_wait: Synchronous function to issue iocb commands. + * lpfc_sli_issue_iocb_wait - Synchronous function to issue iocb commands * @phba: Pointer to HBA context object.. * @pring: Pointer to sli ring. * @piocb: Pointer to command iocb. @@ -5000,7 +5007,7 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, } /** - * lpfc_sli_issue_mbox_wait: Synchronous function to issue mailbox. + * lpfc_sli_issue_mbox_wait - Synchronous function to issue mailbox * @phba: Pointer to HBA context object. * @pmboxq: Pointer to driver mailbox object. * @timeout: Timeout in number of seconds. @@ -5070,7 +5077,7 @@ lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq, } /** - * lpfc_sli_flush_mbox_queue: mailbox queue cleanup function. + * lpfc_sli_flush_mbox_queue - mailbox queue cleanup function * @phba: Pointer to HBA context. * * This function is called to cleanup any pending mailbox @@ -5113,7 +5120,7 @@ lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba) } /** - * lpfc_sli_check_eratt: check error attention events + * lpfc_sli_check_eratt - check error attention events * @phba: Pointer to HBA context. * * This function is called form timer soft interrupt context to check HBA's @@ -5145,11 +5152,31 @@ lpfc_sli_check_eratt(struct lpfc_hba *phba) return 0; } + /* + * If there is deferred error attention, do not check for error + * attention + */ + if (unlikely(phba->hba_flag & DEFER_ERATT)) { + spin_unlock_irq(&phba->hbalock); + return 0; + } + /* Read chip Host Attention (HA) register */ ha_copy = readl(phba->HAregaddr); if (ha_copy & HA_ERATT) { /* Read host status register to retrieve error event */ lpfc_sli_read_hs(phba); + + /* Check if there is a deferred error condition is active */ + if ((HS_FFER1 & phba->work_hs) && + ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 | + HS_FFER6 | HS_FFER7) & phba->work_hs)) { + phba->hba_flag |= DEFER_ERATT; + /* Clear all interrupt enable conditions */ + writel(0, phba->HCregaddr); + readl(phba->HCregaddr); + } + /* Set the driver HA work bitmap */ phba->work_ha |= HA_ERATT; /* Indicate polling handles this ERATT */ @@ -5162,7 +5189,7 @@ lpfc_sli_check_eratt(struct lpfc_hba *phba) } /** - * lpfc_sp_intr_handler: The slow-path interrupt handler of lpfc driver. + * lpfc_sp_intr_handler - The slow-path interrupt handler of lpfc driver * @irq: Interrupt number. * @dev_id: The device context pointer. * @@ -5238,6 +5265,16 @@ lpfc_sp_intr_handler(int irq, void *dev_id) /* Indicate interrupt handler handles ERATT */ phba->hba_flag |= HBA_ERATT_HANDLED; } + + /* + * If there is deferred error attention, do not check for any + * interrupt. + */ + if (unlikely(phba->hba_flag & DEFER_ERATT)) { + spin_unlock_irq(&phba->hbalock); + return IRQ_NONE; + } + /* Clear up only attention source related to slow-path */ writel((ha_copy & (HA_MBATT | HA_R2_CLR_MSK)), phba->HAregaddr); @@ -5309,8 +5346,22 @@ lpfc_sp_intr_handler(int irq, void *dev_id) } } spin_lock_irqsave(&phba->hbalock, iflag); - if (work_ha_copy & HA_ERATT) + if (work_ha_copy & HA_ERATT) { lpfc_sli_read_hs(phba); + /* + * Check if there is a deferred error condition + * is active + */ + if ((HS_FFER1 & phba->work_hs) && + ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 | + HS_FFER6 | HS_FFER7) & phba->work_hs)) { + phba->hba_flag |= DEFER_ERATT; + /* Clear all interrupt enable conditions */ + writel(0, phba->HCregaddr); + readl(phba->HCregaddr); + } + } + if ((work_ha_copy & HA_MBATT) && (phba->sli.mbox_active)) { pmb = phba->sli.mbox_active; pmbox = &pmb->mb; @@ -5423,7 +5474,7 @@ send_current_mbox: } /* lpfc_sp_intr_handler */ /** - * lpfc_fp_intr_handler: The fast-path interrupt handler of lpfc driver. + * lpfc_fp_intr_handler - The fast-path interrupt handler of lpfc driver * @irq: Interrupt number. * @dev_id: The device context pointer. * @@ -5474,6 +5525,14 @@ lpfc_fp_intr_handler(int irq, void *dev_id) ha_copy = readl(phba->HAregaddr); /* Clear up only attention source related to fast-path */ spin_lock_irqsave(&phba->hbalock, iflag); + /* + * If there is deferred error attention, do not check for + * any interrupt. + */ + if (unlikely(phba->hba_flag & DEFER_ERATT)) { + spin_unlock_irq(&phba->hbalock); + return IRQ_NONE; + } writel((ha_copy & (HA_R0_CLR_MSK | HA_R1_CLR_MSK)), phba->HAregaddr); readl(phba->HAregaddr); /* flush */ @@ -5510,7 +5569,7 @@ lpfc_fp_intr_handler(int irq, void *dev_id) } /* lpfc_fp_intr_handler */ /** - * lpfc_intr_handler: The device-level interrupt handler of lpfc driver. + * lpfc_intr_handler - The device-level interrupt handler of lpfc driver * @irq: Interrupt number. * @dev_id: The device context pointer. * @@ -5566,6 +5625,14 @@ lpfc_intr_handler(int irq, void *dev_id) phba->hba_flag |= HBA_ERATT_HANDLED; } + /* + * If there is deferred error attention, do not check for any interrupt. + */ + if (unlikely(phba->hba_flag & DEFER_ERATT)) { + spin_unlock_irq(&phba->hbalock); + return IRQ_NONE; + } + /* Clear attention sources except link and error attentions */ writel((phba->ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); readl(phba->HAregaddr); /* flush */ diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index 7e32e95c5392..e599519e3078 100644 --- a/drivers/scsi/lpfc/lpfc_version.h +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2008 Emulex. All rights reserved. * + * Copyright (C) 2004-2009 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * * @@ -18,7 +18,7 @@ * included with this package. * *******************************************************************/ -#define LPFC_DRIVER_VERSION "8.3.0" +#define LPFC_DRIVER_VERSION "8.3.1" #define LPFC_DRIVER_NAME "lpfc" #define LPFC_SP_DRIVER_HANDLER_NAME "lpfc:sp" @@ -26,4 +26,4 @@ #define LPFC_MODULE_DESC "Emulex LightPulse Fibre Channel SCSI driver " \ LPFC_DRIVER_VERSION -#define LPFC_COPYRIGHT "Copyright(c) 2004-2008 Emulex. All rights reserved." +#define LPFC_COPYRIGHT "Copyright(c) 2004-2009 Emulex. All rights reserved." diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c index 63b54c66756c..917ad56b0aff 100644 --- a/drivers/scsi/lpfc/lpfc_vport.c +++ b/drivers/scsi/lpfc/lpfc_vport.c @@ -206,7 +206,7 @@ lpfc_unique_wwpn(struct lpfc_hba *phba, struct lpfc_vport *new_vport) } /** - * lpfc_discovery_wait: Wait for driver discovery to quiesce. + * lpfc_discovery_wait - Wait for driver discovery to quiesce * @vport: The virtual port for which this call is being executed. * * This driver calls this routine specifically from lpfc_vport_delete @@ -741,7 +741,7 @@ lpfc_destroy_vport_work_array(struct lpfc_hba *phba, struct lpfc_vport **vports) /** - * lpfc_vport_reset_stat_data: Reset the statistical data for the vport. + * lpfc_vport_reset_stat_data - Reset the statistical data for the vport * @vport: Pointer to vport object. * * This function resets the statistical data for the vport. This function @@ -763,8 +763,7 @@ lpfc_vport_reset_stat_data(struct lpfc_vport *vport) /** - * lpfc_alloc_bucket: Allocate data buffer required for collecting - * statistical data. + * lpfc_alloc_bucket - Allocate data buffer required for statistical data * @vport: Pointer to vport object. * * This function allocates data buffer required for all the FC @@ -797,8 +796,7 @@ lpfc_alloc_bucket(struct lpfc_vport *vport) } /** - * lpfc_free_bucket: Free data buffer required for collecting - * statistical data. + * lpfc_free_bucket - Free data buffer required for statistical data * @vport: Pointer to vport object. * * Th function frees statistical data buffer of all the FC diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index a91f5143ceac..f3da592f7bcc 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -636,6 +636,14 @@ _base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc) static irqreturn_t _base_interrupt(int irq, void *bus_id) { + union reply_descriptor { + u64 word; + struct { + u32 low; + u32 high; + } u; + }; + union reply_descriptor rd; u32 post_index, post_index_next, completed_cmds; u8 request_desript_type; u16 smid; @@ -656,7 +664,8 @@ _base_interrupt(int irq, void *bus_id) completed_cmds = 0; do { - if (ioc->reply_post_free[post_index].Words == ~0ULL) + rd.word = ioc->reply_post_free[post_index].Words; + if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX) goto out; reply = 0; cb_idx = 0xFF; @@ -721,7 +730,7 @@ _base_interrupt(int irq, void *bus_id) for (i = 0 ; i < completed_cmds; i++) { post_index = post_index_next; /* poison the reply post descriptor */ - ioc->reply_post_free[post_index_next].Words = ~0ULL; + ioc->reply_post_free[post_index_next].Words = ULLONG_MAX; post_index_next = (post_index == (ioc->reply_post_queue_depth - 1)) ? 0 : post_index + 1; @@ -1387,6 +1396,64 @@ mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid, } /** + * _base_display_dell_branding - Disply branding string + * @ioc: per adapter object + * + * Return nothing. + */ +static void +_base_display_dell_branding(struct MPT2SAS_ADAPTER *ioc) +{ + char dell_branding[MPT2SAS_DELL_BRANDING_SIZE]; + + if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL) + return; + + memset(dell_branding, 0, MPT2SAS_DELL_BRANDING_SIZE); + switch (ioc->pdev->subsystem_device) { + case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID: + strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID: + strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID: + strncpy(dell_branding, + MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID: + strncpy(dell_branding, + MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID: + strncpy(dell_branding, + MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + case MPT2SAS_DELL_PERC_H200_SSDID: + strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + case MPT2SAS_DELL_6GBPS_SAS_SSDID: + strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_BRANDING, + MPT2SAS_DELL_BRANDING_SIZE - 1); + break; + default: + sprintf(dell_branding, "0x%4X", ioc->pdev->subsystem_device); + break; + } + + printk(MPT2SAS_INFO_FMT "%s: Vendor(0x%04X), Device(0x%04X)," + " SSVID(0x%04X), SSDID(0x%04X)\n", ioc->name, dell_branding, + ioc->pdev->vendor, ioc->pdev->device, ioc->pdev->subsystem_vendor, + ioc->pdev->subsystem_device); +} + +/** * _base_display_ioc_capabilities - Disply IOC's capabilities. * @ioc: per adapter object * @@ -1427,6 +1494,8 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) i++; } + _base_display_dell_branding(ioc); + i = 0; printk("), "); printk("Capabilities=("); @@ -3068,7 +3137,7 @@ _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, /* initialize Reply Post Free Queue */ for (i = 0; i < ioc->reply_post_queue_depth; i++) - ioc->reply_post_free[i].Words = ~0ULL; + ioc->reply_post_free[i].Words = ULLONG_MAX; r = _base_send_ioc_init(ioc, VF_ID, sleep_flag); if (r) diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h index 6945ff4d382e..babd4cc0cb25 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.h +++ b/drivers/scsi/mpt2sas/mpt2sas_base.h @@ -68,11 +68,11 @@ #define MPT2SAS_DRIVER_NAME "mpt2sas" #define MPT2SAS_AUTHOR "LSI Corporation <DL-MPTFusionLinux@lsi.com>" #define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver" -#define MPT2SAS_DRIVER_VERSION "00.100.11.16" +#define MPT2SAS_DRIVER_VERSION "01.100.02.00" #define MPT2SAS_MAJOR_VERSION 00 #define MPT2SAS_MINOR_VERSION 100 -#define MPT2SAS_BUILD_VERSION 11 -#define MPT2SAS_RELEASE_VERSION 16 +#define MPT2SAS_BUILD_VERSION 02 +#define MPT2SAS_RELEASE_VERSION 00 /* * Set MPT2SAS_SG_DEPTH value based on user input. @@ -130,6 +130,30 @@ #define MPT2SAS_ERR_FMT KERN_ERR MPT2SAS_FMT /* + * Dell HBA branding + */ +#define MPT2SAS_DELL_BRANDING_SIZE 32 + +#define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA" +#define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter" +#define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated" +#define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular" +#define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded" +#define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200" +#define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS" + +/* + * Dell HBA SSDIDs + */ +#define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C +#define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D +#define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E +#define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F +#define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20 +#define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21 +#define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22 + +/* * per target private data */ #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01 diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c index 2d4f85c9d7a1..ba6ab170bdf0 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c +++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c @@ -64,6 +64,9 @@ static struct fasync_struct *async_queue; static DECLARE_WAIT_QUEUE_HEAD(ctl_poll_wait); +static int _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, + u8 *issue_reset); + /** * enum block_state - blocking state * @NON_BLOCKING: non blocking @@ -378,10 +381,22 @@ _ctl_verify_adapter(int ioc_number, struct MPT2SAS_ADAPTER **iocpp) void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) { + int i; + u8 issue_reset; + switch (reset_phase) { case MPT2_IOC_PRE_RESET: dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); + for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { + if (!(ioc->diag_buffer_status[i] & + MPT2_DIAG_BUFFER_IS_REGISTERED)) + continue; + if ((ioc->diag_buffer_status[i] & + MPT2_DIAG_BUFFER_IS_RELEASED)) + continue; + _ctl_send_release(ioc, i, &issue_reset); + } break; case MPT2_IOC_AFTER_RESET: dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " @@ -395,6 +410,17 @@ mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) case MPT2_IOC_DONE_RESET: dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); + + for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { + if (!(ioc->diag_buffer_status[i] & + MPT2_DIAG_BUFFER_IS_REGISTERED)) + continue; + if ((ioc->diag_buffer_status[i] & + MPT2_DIAG_BUFFER_IS_RELEASED)) + continue; + ioc->diag_buffer_status[i] |= + MPT2_DIAG_BUFFER_IS_DIAG_RESET; + } break; } } @@ -714,8 +740,10 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc, if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) { - if (_ctl_do_task_abort(ioc, &karg, tm_request)) + if (_ctl_do_task_abort(ioc, &karg, tm_request)) { + mpt2sas_base_free_smid(ioc, smid); goto out; + } } mutex_lock(&ioc->tm_cmds.mutex); @@ -915,9 +943,9 @@ _ctl_getiocinfo(void __user *arg) karg.pci_information.u.bits.function = PCI_FUNC(ioc->pdev->devfn); karg.pci_information.segment_id = pci_domain_nr(ioc->pdev->bus); karg.firmware_version = ioc->facts.FWVersion.Word; - strncpy(karg.driver_version, MPT2SAS_DRIVER_VERSION, - MPT2_IOCTL_VERSION_LENGTH); - karg.driver_version[MPT2_IOCTL_VERSION_LENGTH - 1] = '\0'; + strcpy(karg.driver_version, MPT2SAS_DRIVER_NAME); + strcat(karg.driver_version, "-"); + strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION); karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); if (copy_to_user(arg, &karg, sizeof(karg))) { @@ -1551,81 +1579,38 @@ _ctl_diag_query(void __user *arg) } /** - * _ctl_diag_release - request to send Diag Release Message to firmware - * @arg - user space buffer containing ioctl content - * @state - NON_BLOCKING or BLOCKING + * _ctl_send_release - Diag Release Message + * @ioc: per adapter object + * @buffer_type - specifies either TRACE or SNAPSHOT + * @issue_reset - specifies whether host reset is required. * - * This allows ownership of the specified buffer to returned to the driver, - * allowing an application to read the buffer without fear that firmware is - * overwritting information in the buffer. */ -static long -_ctl_diag_release(void __user *arg, enum block_state state) +static int +_ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, u8 *issue_reset) { - struct mpt2_diag_release karg; - struct MPT2SAS_ADAPTER *ioc; - void *request_data; - int rc; Mpi2DiagReleaseRequest_t *mpi_request; Mpi2DiagReleaseReply_t *mpi_reply; - u8 buffer_type; - unsigned long timeleft; u16 smid; u16 ioc_status; - u8 issue_reset = 0; - - if (copy_from_user(&karg, arg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc) - return -ENODEV; + u32 ioc_state; + int rc; + unsigned long timeleft; dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, __func__)); - buffer_type = karg.unique_id & 0x000000ff; - if (!_ctl_diag_capability(ioc, buffer_type)) { - printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " - "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); - return -EPERM; - } - - if ((ioc->diag_buffer_status[buffer_type] & - MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { - printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not " - "registered\n", ioc->name, __func__, buffer_type); - return -EINVAL; - } - - if (karg.unique_id != ioc->unique_id[buffer_type]) { - printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " - "registered\n", ioc->name, __func__, karg.unique_id); - return -EINVAL; - } - - if (ioc->diag_buffer_status[buffer_type] & - MPT2_DIAG_BUFFER_IS_RELEASED) { - printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) " - "is already released\n", ioc->name, __func__, - buffer_type); - return 0; - } - - request_data = ioc->diag_buffer[buffer_type]; + rc = 0; + *issue_reset = 0; - if (!request_data) { - printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for " - "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); - return -ENOMEM; + ioc_state = mpt2sas_base_get_iocstate(ioc, 1); + if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { + dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " + "skipping due to FAULT state\n", ioc->name, + __func__)); + rc = -EAGAIN; + goto out; } - if (state == NON_BLOCKING && !mutex_trylock(&ioc->ctl_cmds.mutex)) - return -EAGAIN; - else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) - return -ERESTARTSYS; - if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", ioc->name, __func__); @@ -1641,7 +1626,6 @@ _ctl_diag_release(void __user *arg, enum block_state state) goto out; } - rc = 0; ioc->ctl_cmds.status = MPT2_CMD_PENDING; memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); @@ -1660,8 +1644,9 @@ _ctl_diag_release(void __user *arg, enum block_state state) _debug_dump_mf(mpi_request, sizeof(Mpi2DiagReleaseRequest_t)/4); if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) - issue_reset = 1; - goto issue_host_reset; + *issue_reset = 1; + rc = -EFAULT; + goto out; } /* process the completed Reply Message Frame */ @@ -1687,14 +1672,101 @@ _ctl_diag_release(void __user *arg, enum block_state state) rc = -EFAULT; } - issue_host_reset: + out: + ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; + return rc; +} + +/** + * _ctl_diag_release - request to send Diag Release Message to firmware + * @arg - user space buffer containing ioctl content + * @state - NON_BLOCKING or BLOCKING + * + * This allows ownership of the specified buffer to returned to the driver, + * allowing an application to read the buffer without fear that firmware is + * overwritting information in the buffer. + */ +static long +_ctl_diag_release(void __user *arg, enum block_state state) +{ + struct mpt2_diag_release karg; + struct MPT2SAS_ADAPTER *ioc; + void *request_data; + int rc; + u8 buffer_type; + u8 issue_reset = 0; + + if (copy_from_user(&karg, arg, sizeof(karg))) { + printk(KERN_ERR "failure at %s:%d/%s()!\n", + __FILE__, __LINE__, __func__); + return -EFAULT; + } + if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc) + return -ENODEV; + + dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, + __func__)); + + buffer_type = karg.unique_id & 0x000000ff; + if (!_ctl_diag_capability(ioc, buffer_type)) { + printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " + "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); + return -EPERM; + } + + if ((ioc->diag_buffer_status[buffer_type] & + MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { + printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not " + "registered\n", ioc->name, __func__, buffer_type); + return -EINVAL; + } + + if (karg.unique_id != ioc->unique_id[buffer_type]) { + printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " + "registered\n", ioc->name, __func__, karg.unique_id); + return -EINVAL; + } + + if (ioc->diag_buffer_status[buffer_type] & + MPT2_DIAG_BUFFER_IS_RELEASED) { + printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) " + "is already released\n", ioc->name, __func__, + buffer_type); + return 0; + } + + request_data = ioc->diag_buffer[buffer_type]; + + if (!request_data) { + printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for " + "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); + return -ENOMEM; + } + + /* buffers were released by due to host reset */ + if ((ioc->diag_buffer_status[buffer_type] & + MPT2_DIAG_BUFFER_IS_DIAG_RESET)) { + ioc->diag_buffer_status[buffer_type] |= + MPT2_DIAG_BUFFER_IS_RELEASED; + ioc->diag_buffer_status[buffer_type] &= + ~MPT2_DIAG_BUFFER_IS_DIAG_RESET; + printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) " + "was released due to host reset\n", ioc->name, __func__, + buffer_type); + return 0; + } + + if (state == NON_BLOCKING && !mutex_trylock(&ioc->ctl_cmds.mutex)) + return -EAGAIN; + else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) + return -ERESTARTSYS; + + rc = _ctl_send_release(ioc, buffer_type, &issue_reset); + if (issue_reset) mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, FORCE_BIG_HAMMER); - out: - - ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; mutex_unlock(&ioc->ctl_cmds.mutex); return rc; } diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.h b/drivers/scsi/mpt2sas/mpt2sas_ctl.h index dbb6c0cf8889..4da11435533f 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_ctl.h +++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.h @@ -50,7 +50,7 @@ #endif #define MPT2SAS_DEV_NAME "mpt2ctl" -#define MPT2_MAGIC_NUMBER 'm' +#define MPT2_MAGIC_NUMBER 'L' #define MPT2_IOCTL_DEFAULT_TIMEOUT (10) /* in seconds */ /** @@ -295,8 +295,9 @@ struct mpt2_ioctl_btdh_mapping { /* status bits for ioc->diag_buffer_status */ -#define MPT2_DIAG_BUFFER_IS_REGISTERED (0x01) -#define MPT2_DIAG_BUFFER_IS_RELEASED (0x02) +#define MPT2_DIAG_BUFFER_IS_REGISTERED (0x01) +#define MPT2_DIAG_BUFFER_IS_RELEASED (0x02) +#define MPT2_DIAG_BUFFER_IS_DIAG_RESET (0x04) /* application flags for mpt2_diag_register, mpt2_diag_query */ #define MPT2_APP_FLAGS_APP_OWNED (0x0001) diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index 0c463c483c02..e3a7967259e7 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -119,7 +119,7 @@ struct sense_info { */ struct fw_event_work { struct list_head list; - struct delayed_work work; + struct work_struct work; struct MPT2SAS_ADAPTER *ioc; u8 VF_ID; u8 host_reset_handling; @@ -516,12 +516,8 @@ _scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc, handle = sas_device->handle; parent_handle = sas_device->parent_handle; sas_address = sas_device->sas_address; - if (!mpt2sas_transport_port_add(ioc, handle, parent_handle)) { + if (!mpt2sas_transport_port_add(ioc, handle, parent_handle)) _scsih_sas_device_remove(ioc, sas_device); - } else if (!sas_device->starget) { - mpt2sas_transport_port_remove(ioc, sas_address, parent_handle); - _scsih_sas_device_remove(ioc, sas_device); - } } /** @@ -1203,7 +1199,9 @@ scsih_target_destroy(struct scsi_target *starget) rphy = dev_to_rphy(starget->dev.parent); sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, rphy->identify.sas_address); - if (sas_device) + if (sas_device && (sas_device->starget == starget) && + (sas_device->id == starget->id) && + (sas_device->channel == starget->channel)) sas_device->starget = NULL; spin_unlock_irqrestore(&ioc->sas_device_lock, flags); @@ -2009,8 +2007,8 @@ _scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event) spin_lock_irqsave(&ioc->fw_event_lock, flags); list_add_tail(&fw_event->list, &ioc->fw_event_list); - INIT_DELAYED_WORK(&fw_event->work, _firmware_event_work); - queue_delayed_work(ioc->firmware_event_thread, &fw_event->work, 1); + INIT_WORK(&fw_event->work, _firmware_event_work); + queue_work(ioc->firmware_event_thread, &fw_event->work); spin_unlock_irqrestore(&ioc->fw_event_lock, flags); } @@ -2054,7 +2052,7 @@ _scsih_fw_event_requeue(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work return; spin_lock_irqsave(&ioc->fw_event_lock, flags); - queue_delayed_work(ioc->firmware_event_thread, &fw_event->work, delay); + queue_work(ioc->firmware_event_thread, &fw_event->work); spin_unlock_irqrestore(&ioc->fw_event_lock, flags); } @@ -2863,8 +2861,9 @@ scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply) struct sense_info data; const void *sense_data = mpt2sas_base_get_sense_buffer(ioc, smid); - memcpy(scmd->sense_buffer, sense_data, + u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, le32_to_cpu(mpi_reply->SenseCount)); + memcpy(scmd->sense_buffer, sense_data, sz); _scsih_normalize_sense(scmd->sense_buffer, &data); /* failure prediction threshold exceeded */ if (data.asc == 0x5D) @@ -3923,7 +3922,7 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, mpt2sas_scsih_issue_tm(ioc, handle, lun, MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30); - termination_count += le32_to_cpu(mpi_reply->TerminationCount); + ioc->tm_cmds.status = MPT2_CMD_NOT_USED; if ((mpi_reply->IOCStatus == MPI2_IOCSTATUS_SUCCESS) && (mpi_reply->ResponseCode == @@ -3933,10 +3932,10 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, continue; mpt2sas_scsih_issue_tm(ioc, handle, lun, - MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, smid, 30); + MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, 0, 30); + ioc->tm_cmds.status = MPT2_CMD_NOT_USED; termination_count += le32_to_cpu(mpi_reply->TerminationCount); } - ioc->tm_cmds.status = MPT2_CMD_NOT_USED; ioc->broadcast_aen_busy = 0; mutex_unlock(&ioc->tm_cmds.mutex); @@ -4962,7 +4961,7 @@ static void _firmware_event_work(struct work_struct *work) { struct fw_event_work *fw_event = container_of(work, - struct fw_event_work, work.work); + struct fw_event_work, work); unsigned long flags; struct MPT2SAS_ADAPTER *ioc = fw_event->ioc; diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c index 2a5f0777148d..1ce6b24abab2 100644 --- a/drivers/scsi/osd/osd_initiator.c +++ b/drivers/scsi/osd/osd_initiator.c @@ -205,6 +205,74 @@ static unsigned _osd_req_alist_elem_size(struct osd_request *or, unsigned len) osdv2_attr_list_elem_size(len); } +static void _osd_req_alist_elem_encode(struct osd_request *or, + void *attr_last, const struct osd_attr *oa) +{ + if (osd_req_is_ver1(or)) { + struct osdv1_attributes_list_element *attr = attr_last; + + attr->attr_page = cpu_to_be32(oa->attr_page); + attr->attr_id = cpu_to_be32(oa->attr_id); + attr->attr_bytes = cpu_to_be16(oa->len); + memcpy(attr->attr_val, oa->val_ptr, oa->len); + } else { + struct osdv2_attributes_list_element *attr = attr_last; + + attr->attr_page = cpu_to_be32(oa->attr_page); + attr->attr_id = cpu_to_be32(oa->attr_id); + attr->attr_bytes = cpu_to_be16(oa->len); + memcpy(attr->attr_val, oa->val_ptr, oa->len); + } +} + +static int _osd_req_alist_elem_decode(struct osd_request *or, + void *cur_p, struct osd_attr *oa, unsigned max_bytes) +{ + unsigned inc; + if (osd_req_is_ver1(or)) { + struct osdv1_attributes_list_element *attr = cur_p; + + if (max_bytes < sizeof(*attr)) + return -1; + + oa->len = be16_to_cpu(attr->attr_bytes); + inc = _osd_req_alist_elem_size(or, oa->len); + if (inc > max_bytes) + return -1; + + oa->attr_page = be32_to_cpu(attr->attr_page); + oa->attr_id = be32_to_cpu(attr->attr_id); + + /* OSD1: On empty attributes we return a pointer to 2 bytes + * of zeros. This keeps similar behaviour with OSD2. + * (See below) + */ + oa->val_ptr = likely(oa->len) ? attr->attr_val : + (u8 *)&attr->attr_bytes; + } else { + struct osdv2_attributes_list_element *attr = cur_p; + + if (max_bytes < sizeof(*attr)) + return -1; + + oa->len = be16_to_cpu(attr->attr_bytes); + inc = _osd_req_alist_elem_size(or, oa->len); + if (inc > max_bytes) + return -1; + + oa->attr_page = be32_to_cpu(attr->attr_page); + oa->attr_id = be32_to_cpu(attr->attr_id); + + /* OSD2: For convenience, on empty attributes, we return 8 bytes + * of zeros here. This keeps the same behaviour with OSD2r04, + * and is nice with null terminating ASCII fields. + * oa->val_ptr == NULL marks the end-of-list, or error. + */ + oa->val_ptr = likely(oa->len) ? attr->attr_val : attr->reserved; + } + return inc; +} + static unsigned _osd_req_alist_size(struct osd_request *or, void *list_head) { return osd_req_is_ver1(or) ? @@ -282,9 +350,9 @@ _osd_req_sec_params(struct osd_request *or) struct osd_cdb *ocdb = &or->cdb; if (osd_req_is_ver1(or)) - return &ocdb->v1.sec_params; + return (struct osd_security_parameters *)&ocdb->v1.sec_params; else - return &ocdb->v2.sec_params; + return (struct osd_security_parameters *)&ocdb->v2.sec_params; } void osd_dev_init(struct osd_dev *osdd, struct scsi_device *scsi_device) @@ -612,9 +680,9 @@ static int _osd_req_list_objects(struct osd_request *or, WARN_ON(or->in.bio); bio = bio_map_kern(q, list, len, or->alloc_flags); - if (!bio) { + if (IS_ERR(bio)) { OSD_ERR("!!! Failed to allocate list_objects BIO\n"); - return -ENOMEM; + return PTR_ERR(bio); } bio->bi_rw &= ~(1 << BIO_RW); @@ -798,7 +866,6 @@ int osd_req_add_set_attr_list(struct osd_request *or, attr_last = or->set_attr.buff + total_bytes; for (; nelem; --nelem) { - struct osd_attributes_list_element *attr; unsigned elem_size = _osd_req_alist_elem_size(or, oa->len); total_bytes += elem_size; @@ -811,11 +878,7 @@ int osd_req_add_set_attr_list(struct osd_request *or, or->set_attr.buff + or->set_attr.total_bytes; } - attr = attr_last; - attr->attr_page = cpu_to_be32(oa->attr_page); - attr->attr_id = cpu_to_be32(oa->attr_id); - attr->attr_bytes = cpu_to_be16(oa->len); - memcpy(attr->attr_val, oa->val_ptr, oa->len); + _osd_req_alist_elem_encode(or, attr_last, oa); attr_last += elem_size; ++oa; @@ -1070,15 +1133,10 @@ int osd_req_decode_get_attr_list(struct osd_request *or, } for (n = 0; (n < *nelem) && (cur_bytes < returned_bytes); ++n) { - struct osd_attributes_list_element *attr = cur_p; - unsigned inc; + int inc = _osd_req_alist_elem_decode(or, cur_p, oa, + returned_bytes - cur_bytes); - oa->len = be16_to_cpu(attr->attr_bytes); - inc = _osd_req_alist_elem_size(or, oa->len); - OSD_DEBUG("oa->len=%d inc=%d cur_bytes=%d\n", - oa->len, inc, cur_bytes); - cur_bytes += inc; - if (cur_bytes > returned_bytes) { + if (inc < 0) { OSD_ERR("BAD FOOD from target. list not valid!" "c=%d r=%d n=%d\n", cur_bytes, returned_bytes, n); @@ -1086,10 +1144,7 @@ int osd_req_decode_get_attr_list(struct osd_request *or, break; } - oa->attr_page = be32_to_cpu(attr->attr_page); - oa->attr_id = be32_to_cpu(attr->attr_id); - oa->val_ptr = attr->attr_val; - + cur_bytes += inc; cur_p += inc; ++oa; } @@ -1159,6 +1214,24 @@ static int _osd_req_finalize_attr_page(struct osd_request *or) return ret; } +static inline void osd_sec_parms_set_out_offset(bool is_v1, + struct osd_security_parameters *sec_parms, osd_cdb_offset offset) +{ + if (is_v1) + sec_parms->v1.data_out_integrity_check_offset = offset; + else + sec_parms->v2.data_out_integrity_check_offset = offset; +} + +static inline void osd_sec_parms_set_in_offset(bool is_v1, + struct osd_security_parameters *sec_parms, osd_cdb_offset offset) +{ + if (is_v1) + sec_parms->v1.data_in_integrity_check_offset = offset; + else + sec_parms->v2.data_in_integrity_check_offset = offset; +} + static int _osd_req_finalize_data_integrity(struct osd_request *or, bool has_in, bool has_out, const u8 *cap_key) { @@ -1182,8 +1255,8 @@ static int _osd_req_finalize_data_integrity(struct osd_request *or, or->out_data_integ.get_attributes_bytes = cpu_to_be64( or->enc_get_attr.total_bytes); - sec_parms->data_out_integrity_check_offset = - osd_req_encode_offset(or, or->out.total_bytes, &pad); + osd_sec_parms_set_out_offset(osd_req_is_ver1(or), sec_parms, + osd_req_encode_offset(or, or->out.total_bytes, &pad)); ret = _req_append_segment(or, pad, &seg, or->out.last_seg, &or->out); @@ -1203,8 +1276,8 @@ static int _osd_req_finalize_data_integrity(struct osd_request *or, }; unsigned pad; - sec_parms->data_in_integrity_check_offset = - osd_req_encode_offset(or, or->in.total_bytes, &pad); + osd_sec_parms_set_in_offset(osd_req_is_ver1(or), sec_parms, + osd_req_encode_offset(or, or->in.total_bytes, &pad)); ret = _req_append_segment(or, pad, &seg, or->in.last_seg, &or->in); diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index d1cb64ad1a3f..bb218c8b6e98 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1291,10 +1291,8 @@ static inline int scsi_target_queue_ready(struct Scsi_Host *shost, if (--starget->target_blocked == 0) { SCSI_LOG_MLQUEUE(3, starget_printk(KERN_INFO, starget, "unblocking target at zero depth\n")); - } else { - blk_plug_device(sdev->request_queue); + } else return 0; - } } if (scsi_target_is_busy(starget)) { diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 3fcb64b91c43..84044233b637 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -50,6 +50,7 @@ #include <linux/string_helpers.h> #include <linux/async.h> #include <asm/uaccess.h> +#include <asm/unaligned.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> @@ -1344,12 +1345,8 @@ static int read_capacity_16(struct scsi_disk *sdkp, struct scsi_device *sdp, return -EINVAL; } - sector_size = (buffer[8] << 24) | (buffer[9] << 16) | - (buffer[10] << 8) | buffer[11]; - lba = (((u64)buffer[0] << 56) | ((u64)buffer[1] << 48) | - ((u64)buffer[2] << 40) | ((u64)buffer[3] << 32) | - ((u64)buffer[4] << 24) | ((u64)buffer[5] << 16) | - ((u64)buffer[6] << 8) | (u64)buffer[7]); + sector_size = get_unaligned_be32(&buffer[8]); + lba = get_unaligned_be64(&buffer[0]); sd_read_protection_type(sdkp, buffer); @@ -1400,10 +1397,8 @@ static int read_capacity_10(struct scsi_disk *sdkp, struct scsi_device *sdp, return -EINVAL; } - sector_size = (buffer[4] << 24) | (buffer[5] << 16) | - (buffer[6] << 8) | buffer[7]; - lba = (buffer[0] << 24) | (buffer[1] << 16) | - (buffer[2] << 8) | buffer[3]; + sector_size = get_unaligned_be32(&buffer[4]); + lba = get_unaligned_be32(&buffer[0]); if ((sizeof(sdkp->capacity) == 4) && (lba == 0xffffffff)) { sd_printk(KERN_ERR, sdkp, "Too big for this kernel. Use a " diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 82312df9b0bf..e1716f14cd47 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -179,7 +179,7 @@ typedef struct sg_device { /* holds the state of each scsi generic device */ /* tasklet or soft irq callback */ static void sg_rq_end_io(struct request *rq, int uptodate); static int sg_start_req(Sg_request *srp, unsigned char *cmd); -static void sg_finish_rem_req(Sg_request * srp); +static int sg_finish_rem_req(Sg_request * srp); static int sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size); static ssize_t sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp); @@ -518,7 +518,7 @@ sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp) goto err_out; } err_out: - sg_finish_rem_req(srp); + err = sg_finish_rem_req(srp); return (0 == err) ? count : err; } @@ -1696,9 +1696,10 @@ static int sg_start_req(Sg_request *srp, unsigned char *cmd) return res; } -static void -sg_finish_rem_req(Sg_request * srp) +static int sg_finish_rem_req(Sg_request * srp) { + int ret = 0; + Sg_fd *sfp = srp->parentfp; Sg_scatter_hold *req_schp = &srp->data; @@ -1710,12 +1711,14 @@ sg_finish_rem_req(Sg_request * srp) if (srp->rq) { if (srp->bio) - blk_rq_unmap_user(srp->bio); + ret = blk_rq_unmap_user(srp->bio); blk_put_request(srp->rq); } sg_remove_request(sfp, srp); + + return ret; } static int diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c index d92ff512d213..291236e6e435 100644 --- a/drivers/scsi/sr_ioctl.c +++ b/drivers/scsi/sr_ioctl.c @@ -309,6 +309,11 @@ int sr_drive_status(struct cdrom_device_info *cdi, int slot) if (0 == sr_test_unit_ready(cd->device, &sshdr)) return CDS_DISC_OK; + /* SK/ASC/ASCQ of 2/4/1 means "unit is becoming ready" */ + if (scsi_sense_valid(&sshdr) && sshdr.sense_key == NOT_READY + && sshdr.asc == 0x04 && sshdr.ascq == 0x01) + return CDS_DRIVE_NOT_READY; + if (!cdrom_get_media_event(cdi, &med)) { if (med.media_present) return CDS_DISC_OK; |