diff options
Diffstat (limited to 'drivers')
50 files changed, 2384 insertions, 2140 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 1f9554e..324899c 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -118,97 +118,32 @@ _zfcp_hex_dump(char *addr, int count) #define ZFCP_LOG_AREA ZFCP_LOG_AREA_FSF -static int zfcp_reqlist_init(struct zfcp_adapter *adapter) +static int zfcp_reqlist_alloc(struct zfcp_adapter *adapter) { - int i; + int idx; adapter->req_list = kcalloc(REQUEST_LIST_SIZE, sizeof(struct list_head), GFP_KERNEL); - if (!adapter->req_list) return -ENOMEM; - for (i=0; i<REQUEST_LIST_SIZE; i++) - INIT_LIST_HEAD(&adapter->req_list[i]); - + for (idx = 0; idx < REQUEST_LIST_SIZE; idx++) + INIT_LIST_HEAD(&adapter->req_list[idx]); return 0; } static void zfcp_reqlist_free(struct zfcp_adapter *adapter) { - struct zfcp_fsf_req *request, *tmp; - unsigned int i; - - for (i=0; i<REQUEST_LIST_SIZE; i++) { - if (list_empty(&adapter->req_list[i])) - continue; - - list_for_each_entry_safe(request, tmp, - &adapter->req_list[i], list) - list_del(&request->list); - } - kfree(adapter->req_list); } -void zfcp_reqlist_add(struct zfcp_adapter *adapter, - struct zfcp_fsf_req *fsf_req) -{ - unsigned int i; - - i = fsf_req->req_id % REQUEST_LIST_SIZE; - list_add_tail(&fsf_req->list, &adapter->req_list[i]); -} - -void zfcp_reqlist_remove(struct zfcp_adapter *adapter, unsigned long req_id) -{ - struct zfcp_fsf_req *request, *tmp; - unsigned int i, counter; - u64 dbg_tmp[2]; - - i = req_id % REQUEST_LIST_SIZE; - BUG_ON(list_empty(&adapter->req_list[i])); - - counter = 0; - list_for_each_entry_safe(request, tmp, &adapter->req_list[i], list) { - if (request->req_id == req_id) { - dbg_tmp[0] = (u64) atomic_read(&adapter->reqs_active); - dbg_tmp[1] = (u64) counter; - debug_event(adapter->erp_dbf, 4, (void *) dbg_tmp, 16); - list_del(&request->list); - break; - } - counter++; - } -} - -struct zfcp_fsf_req *zfcp_reqlist_ismember(struct zfcp_adapter *adapter, - unsigned long req_id) -{ - struct zfcp_fsf_req *request, *tmp; - unsigned int i; - - /* 0 is reserved as an invalid req_id */ - if (req_id == 0) - return NULL; - - i = req_id % REQUEST_LIST_SIZE; - - list_for_each_entry_safe(request, tmp, &adapter->req_list[i], list) - if (request->req_id == req_id) - return request; - - return NULL; -} - int zfcp_reqlist_isempty(struct zfcp_adapter *adapter) { - unsigned int i; + unsigned int idx; - for (i=0; i<REQUEST_LIST_SIZE; i++) - if (!list_empty(&adapter->req_list[i])) + for (idx = 0; idx < REQUEST_LIST_SIZE; idx++) + if (!list_empty(&adapter->req_list[idx])) return 0; - return 1; } @@ -913,6 +848,8 @@ zfcp_unit_enqueue(struct zfcp_port *port, fcp_lun_t fcp_lun) unit->sysfs_device.release = zfcp_sysfs_unit_release; dev_set_drvdata(&unit->sysfs_device, unit); + init_waitqueue_head(&unit->scsi_scan_wq); + /* mark unit unusable as long as sysfs registration is not complete */ atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &unit->status); @@ -1104,7 +1041,7 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device) /* initialize list of fsf requests */ spin_lock_init(&adapter->req_list_lock); - retval = zfcp_reqlist_init(adapter); + retval = zfcp_reqlist_alloc(adapter); if (retval) { ZFCP_LOG_INFO("request list initialization failed\n"); goto failed_low_mem_buffers; @@ -1165,6 +1102,7 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device) zfcp_sysfs_adapter_remove_files(&adapter->ccw_device->dev); sysfs_failed: dev_set_drvdata(&ccw_device->dev, NULL); + zfcp_reqlist_free(adapter); failed_low_mem_buffers: zfcp_free_low_mem_buffers(adapter); if (qdio_free(ccw_device) != 0) @@ -1497,7 +1435,7 @@ zfcp_fsf_incoming_els_plogi(struct zfcp_adapter *adapter, if (!port || (port->wwpn != (*(wwn_t *) &els_plogi->serv_param.wwpn))) { ZFCP_LOG_DEBUG("ignored incoming PLOGI for nonexisting port " - "with d_id 0x%08x on adapter %s\n", + "with d_id 0x%06x on adapter %s\n", status_buffer->d_id, zfcp_get_busid_by_adapter(adapter)); } else { @@ -1522,7 +1460,7 @@ zfcp_fsf_incoming_els_logo(struct zfcp_adapter *adapter, if (!port || (port->wwpn != els_logo->nport_wwpn)) { ZFCP_LOG_DEBUG("ignored incoming LOGO for nonexisting port " - "with d_id 0x%08x on adapter %s\n", + "with d_id 0x%06x on adapter %s\n", status_buffer->d_id, zfcp_get_busid_by_adapter(adapter)); } else { @@ -1704,7 +1642,7 @@ static void zfcp_ns_gid_pn_handler(unsigned long data) /* looks like a valid d_id */ port->d_id = ct_iu_resp->d_id & ZFCP_DID_MASK; atomic_set_mask(ZFCP_STATUS_PORT_DID_DID, &port->status); - ZFCP_LOG_DEBUG("adapter %s: wwpn=0x%016Lx ---> d_id=0x%08x\n", + ZFCP_LOG_DEBUG("adapter %s: wwpn=0x%016Lx ---> d_id=0x%06x\n", zfcp_get_busid_by_port(port), port->wwpn, port->d_id); goto out; diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index 32933ed..2264963 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -637,6 +637,7 @@ do { \ #define ZFCP_STATUS_UNIT_SHARED 0x00000004 #define ZFCP_STATUS_UNIT_READONLY 0x00000008 #define ZFCP_STATUS_UNIT_REGISTERED 0x00000010 +#define ZFCP_STATUS_UNIT_SCSI_WORK_PENDING 0x00000020 /* FSF request status (this does not have a common part) */ #define ZFCP_STATUS_FSFREQ_NOT_INIT 0x00000000 @@ -980,6 +981,10 @@ struct zfcp_unit { struct scsi_device *device; /* scsi device struct pointer */ struct zfcp_erp_action erp_action; /* pending error recovery */ atomic_t erp_counter; + wait_queue_head_t scsi_scan_wq; /* can be used to wait until + all scsi_scan_target + requests have been + completed. */ }; /* FSF request */ @@ -1085,6 +1090,42 @@ extern void _zfcp_hex_dump(char *, int); #define zfcp_get_busid_by_unit(unit) (zfcp_get_busid_by_port(unit->port)) /* + * Helper functions for request ID management. + */ +static inline int zfcp_reqlist_hash(unsigned long req_id) +{ + return req_id % REQUEST_LIST_SIZE; +} + +static inline void zfcp_reqlist_add(struct zfcp_adapter *adapter, + struct zfcp_fsf_req *fsf_req) +{ + unsigned int idx; + + idx = zfcp_reqlist_hash(fsf_req->req_id); + list_add_tail(&fsf_req->list, &adapter->req_list[idx]); +} + +static inline void zfcp_reqlist_remove(struct zfcp_adapter *adapter, + struct zfcp_fsf_req *fsf_req) +{ + list_del(&fsf_req->list); +} + +static inline struct zfcp_fsf_req * +zfcp_reqlist_find(struct zfcp_adapter *adapter, unsigned long req_id) +{ + struct zfcp_fsf_req *request; + unsigned int idx; + + idx = zfcp_reqlist_hash(req_id); + list_for_each_entry(request, &adapter->req_list[idx], list) + if (request->req_id == req_id) + return request; + return NULL; +} + +/* * functions needed for reference/usage counting */ diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index c1f2d4b..aef66bc 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -179,7 +179,7 @@ static void zfcp_close_fsf(struct zfcp_adapter *adapter) static void zfcp_fsf_request_timeout_handler(unsigned long data) { struct zfcp_adapter *adapter = (struct zfcp_adapter *) data; - zfcp_erp_adapter_reopen(adapter, 0); + zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED); } void zfcp_fsf_start_timer(struct zfcp_fsf_req *fsf_req, unsigned long timeout) @@ -342,9 +342,9 @@ zfcp_erp_adisc(struct zfcp_port *port) adisc->wwpn = fc_host_port_name(adapter->scsi_host); adisc->wwnn = fc_host_node_name(adapter->scsi_host); adisc->nport_id = fc_host_port_id(adapter->scsi_host); - ZFCP_LOG_INFO("ADISC request from s_id 0x%08x to d_id 0x%08x " + ZFCP_LOG_INFO("ADISC request from s_id 0x%06x to d_id 0x%06x " "(wwpn=0x%016Lx, wwnn=0x%016Lx, " - "hard_nport_id=0x%08x, nport_id=0x%08x)\n", + "hard_nport_id=0x%06x, nport_id=0x%06x)\n", adisc->nport_id, send_els->d_id, (wwn_t) adisc->wwpn, (wwn_t) adisc->wwnn, adisc->hard_nport_id, adisc->nport_id); @@ -352,7 +352,7 @@ zfcp_erp_adisc(struct zfcp_port *port) retval = zfcp_fsf_send_els(send_els); if (retval != 0) { ZFCP_LOG_NORMAL("error: initiation of Send ELS failed for port " - "0x%08x on adapter %s\n", send_els->d_id, + "0x%06x on adapter %s\n", send_els->d_id, zfcp_get_busid_by_adapter(adapter)); goto freemem; } @@ -398,7 +398,7 @@ zfcp_erp_adisc_handler(unsigned long data) if (send_els->status != 0) { ZFCP_LOG_NORMAL("ELS request rejected/timed out, " "force physical port reopen " - "(adapter %s, port d_id=0x%08x)\n", + "(adapter %s, port d_id=0x%06x)\n", zfcp_get_busid_by_adapter(adapter), d_id); debug_text_event(adapter->erp_dbf, 3, "forcreop"); if (zfcp_erp_port_forced_reopen(port, 0)) @@ -411,9 +411,9 @@ zfcp_erp_adisc_handler(unsigned long data) adisc = zfcp_sg_to_address(send_els->resp); - ZFCP_LOG_INFO("ADISC response from d_id 0x%08x to s_id " - "0x%08x (wwpn=0x%016Lx, wwnn=0x%016Lx, " - "hard_nport_id=0x%08x, nport_id=0x%08x)\n", + ZFCP_LOG_INFO("ADISC response from d_id 0x%06x to s_id " + "0x%06x (wwpn=0x%016Lx, wwnn=0x%016Lx, " + "hard_nport_id=0x%06x, nport_id=0x%06x)\n", d_id, fc_host_port_id(adapter->scsi_host), (wwn_t) adisc->wwpn, (wwn_t) adisc->wwnn, adisc->hard_nport_id, adisc->nport_id); @@ -847,8 +847,7 @@ zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *erp_action) if (erp_action->fsf_req) { /* take lock to ensure that request is not deleted meanwhile */ spin_lock(&adapter->req_list_lock); - if (zfcp_reqlist_ismember(adapter, - erp_action->fsf_req->req_id)) { + if (zfcp_reqlist_find(adapter, erp_action->fsf_req->req_id)) { /* fsf_req still exists */ debug_text_event(adapter->erp_dbf, 3, "a_ca_req"); debug_event(adapter->erp_dbf, 3, &erp_action->fsf_req, @@ -1377,7 +1376,7 @@ zfcp_erp_port_failed(struct zfcp_port *port) if (atomic_test_mask(ZFCP_STATUS_PORT_WKA, &port->status)) ZFCP_LOG_NORMAL("port erp failed (adapter %s, " - "port d_id=0x%08x)\n", + "port d_id=0x%06x)\n", zfcp_get_busid_by_port(port), port->d_id); else ZFCP_LOG_NORMAL("port erp failed (adapter %s, wwpn=0x%016Lx)\n", @@ -1591,6 +1590,62 @@ zfcp_erp_strategy_check_adapter(struct zfcp_adapter *adapter, int result) return result; } +struct zfcp_erp_add_work { + struct zfcp_unit *unit; + struct work_struct work; +}; + +/** + * zfcp_erp_scsi_scan + * @data: pointer to a struct zfcp_erp_add_work + * + * Registers a logical unit with the SCSI stack. + */ +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; + scsi_scan_target(&rport->dev, 0, rport->scsi_target_id, + unit->scsi_lun, 0); + atomic_clear_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, &unit->status); + wake_up(&unit->scsi_scan_wq); + zfcp_unit_put(unit); + kfree(p); +} + +/** + * zfcp_erp_schedule_work + * @unit: pointer to unit which should be registered with SCSI stack + * + * Schedules work which registers a unit with the SCSI stack + */ +static void +zfcp_erp_schedule_work(struct zfcp_unit *unit) +{ + struct zfcp_erp_add_work *p; + + p = kmalloc(sizeof(*p), GFP_KERNEL); + if (!p) { + ZFCP_LOG_NORMAL("error: Out of resources. Could not register " + "the FCP-LUN 0x%Lx connected to " + "the port with WWPN 0x%Lx connected to " + "the adapter %s with the SCSI stack.\n", + unit->fcp_lun, + unit->port->wwpn, + zfcp_get_busid_by_unit(unit)); + return; + } + + zfcp_unit_get(unit); + memset(p, 0, sizeof(*p)); + atomic_set_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, &unit->status); + INIT_WORK(&p->work, zfcp_erp_scsi_scan); + p->unit = unit; + schedule_work(&p->work); +} + /* * function: * @@ -2401,7 +2456,7 @@ zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *erp_action) retval = ZFCP_ERP_FAILED; } } else { - ZFCP_LOG_DEBUG("port 0x%016Lx has d_id=0x%08x -> " + ZFCP_LOG_DEBUG("port 0x%016Lx has d_id=0x%06x -> " "trying open\n", port->wwpn, port->d_id); retval = zfcp_erp_port_strategy_open_port(erp_action); } @@ -2441,7 +2496,7 @@ zfcp_erp_port_strategy_open_nameserver(struct zfcp_erp_action *erp_action) case ZFCP_ERP_STEP_UNINITIALIZED: case ZFCP_ERP_STEP_PHYS_PORT_CLOSING: case ZFCP_ERP_STEP_PORT_CLOSING: - ZFCP_LOG_DEBUG("port 0x%016Lx has d_id=0x%08x -> trying open\n", + ZFCP_LOG_DEBUG("port 0x%016Lx has d_id=0x%06x -> trying open\n", port->wwpn, port->d_id); retval = zfcp_erp_port_strategy_open_port(erp_action); break; @@ -3092,9 +3147,9 @@ zfcp_erp_action_cleanup(int action, struct zfcp_adapter *adapter, && port->rport) { atomic_set_mask(ZFCP_STATUS_UNIT_REGISTERED, &unit->status); - scsi_scan_target(&port->rport->dev, 0, - port->rport->scsi_target_id, - unit->scsi_lun, 0); + if (atomic_test_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, + &unit->status) == 0) + zfcp_erp_schedule_work(unit); } zfcp_unit_put(unit); break; @@ -3121,7 +3176,7 @@ zfcp_erp_action_cleanup(int action, struct zfcp_adapter *adapter, zfcp_get_busid_by_port(port), port->wwpn); else { - scsi_flush_work(adapter->scsi_host); + scsi_target_unblock(&port->rport->dev); port->rport->maxframe_size = port->maxframe_size; port->rport->supported_classes = port->supported_classes; diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index 01386ac..991d456 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -184,10 +184,6 @@ extern void zfcp_scsi_dbf_event_abort(const char *, struct zfcp_adapter *, unsigned long); extern void zfcp_scsi_dbf_event_devreset(const char *, u8, struct zfcp_unit *, struct scsi_cmnd *); -extern void zfcp_reqlist_add(struct zfcp_adapter *, struct zfcp_fsf_req *); -extern void zfcp_reqlist_remove(struct zfcp_adapter *, unsigned long); -extern struct zfcp_fsf_req *zfcp_reqlist_ismember(struct zfcp_adapter *, - unsigned long); extern int zfcp_reqlist_isempty(struct zfcp_adapter *); #endif /* ZFCP_EXT_H */ diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 4c0a59a..a8b0254 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -828,7 +828,7 @@ zfcp_fsf_status_read_port_closed(struct zfcp_fsf_req *fsf_req) if (!port || (port->d_id != (status_buffer->d_id & ZFCP_DID_MASK))) { ZFCP_LOG_NORMAL("bug: Reopen port indication received for" - "nonexisting port with d_id 0x%08x on " + "nonexisting port with d_id 0x%06x on " "adapter %s. Ignored.\n", status_buffer->d_id & ZFCP_DID_MASK, zfcp_get_busid_by_adapter(adapter)); @@ -853,7 +853,7 @@ zfcp_fsf_status_read_port_closed(struct zfcp_fsf_req *fsf_req) &status_buffer->status_subtype, sizeof (u32)); ZFCP_LOG_NORMAL("bug: Undefined status subtype received " "for a reopen indication on port with " - "d_id 0x%08x on the adapter %s. " + "d_id 0x%06x on the adapter %s. " "Ignored. (debug info 0x%x)\n", status_buffer->d_id, zfcp_get_busid_by_adapter(adapter), @@ -1156,7 +1156,7 @@ zfcp_fsf_abort_fcp_command(unsigned long old_req_id, } ZFCP_LOG_DEBUG("Abort FCP Command request initiated " - "(adapter%s, port d_id=0x%08x, " + "(adapter%s, port d_id=0x%06x, " "unit x%016Lx, old_req_id=0x%lx)\n", zfcp_get_busid_by_adapter(adapter), unit->port->d_id, @@ -1554,7 +1554,7 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req) case FSF_ACCESS_DENIED: ZFCP_LOG_NORMAL("access denied, cannot send generic service " - "command (adapter %s, port d_id=0x%08x)\n", + "command (adapter %s, port d_id=0x%06x)\n", zfcp_get_busid_by_port(port), port->d_id); for (counter = 0; counter < 2; counter++) { subtable = header->fsf_status_qual.halfword[counter * 2]; @@ -1576,7 +1576,7 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req) case FSF_GENERIC_COMMAND_REJECTED: ZFCP_LOG_INFO("generic service command rejected " - "(adapter %s, port d_id=0x%08x)\n", + "(adapter %s, port d_id=0x%06x)\n", zfcp_get_busid_by_port(port), port->d_id); ZFCP_LOG_INFO("status qualifier:\n"); ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_INFO, @@ -1602,7 +1602,7 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req) case FSF_PORT_BOXED: ZFCP_LOG_INFO("port needs to be reopened " - "(adapter %s, port d_id=0x%08x)\n", + "(adapter %s, port d_id=0x%06x)\n", zfcp_get_busid_by_port(port), port->d_id); debug_text_event(adapter->erp_dbf, 2, "fsf_s_pboxed"); zfcp_erp_port_boxed(port); @@ -1683,7 +1683,7 @@ zfcp_fsf_send_els(struct zfcp_send_els *els) NULL, &lock_flags, &fsf_req); if (ret < 0) { ZFCP_LOG_INFO("error: creation of ELS request failed " - "(adapter %s, port d_id: 0x%08x)\n", + "(adapter %s, port d_id: 0x%06x)\n", zfcp_get_busid_by_adapter(adapter), d_id); goto failed_req; } @@ -1708,7 +1708,7 @@ zfcp_fsf_send_els(struct zfcp_send_els *els) ZFCP_MAX_SBALS_PER_ELS_REQ); if (bytes <= 0) { ZFCP_LOG_INFO("error: creation of ELS request failed " - "(adapter %s, port d_id: 0x%08x)\n", + "(adapter %s, port d_id: 0x%06x)\n", zfcp_get_busid_by_adapter(adapter), d_id); if (bytes == 0) { ret = -ENOMEM; @@ -1725,7 +1725,7 @@ zfcp_fsf_send_els(struct zfcp_send_els *els) ZFCP_MAX_SBALS_PER_ELS_REQ); if (bytes <= 0) { ZFCP_LOG_INFO("error: creation of ELS request failed " - "(adapter %s, port d_id: 0x%08x)\n", + "(adapter %s, port d_id: 0x%06x)\n", zfcp_get_busid_by_adapter(adapter), d_id); if (bytes == 0) { ret = -ENOMEM; @@ -1739,7 +1739,7 @@ zfcp_fsf_send_els(struct zfcp_send_els *els) /* reject request */ ZFCP_LOG_INFO("error: microcode does not support chained SBALs" ", ELS request too big (adapter %s, " - "port d_id: 0x%08x)\n", + "port d_id: 0x%06x)\n", zfcp_get_busid_by_adapter(adapter), d_id); ret = -EOPNOTSUPP; goto failed_send; @@ -1760,13 +1760,13 @@ zfcp_fsf_send_els(struct zfcp_send_els *els) ret = zfcp_fsf_req_send(fsf_req); if (ret) { ZFCP_LOG_DEBUG("error: initiation of ELS request failed " - "(adapter %s, port d_id: 0x%08x)\n", + "(adapter %s, port d_id: 0x%06x)\n", zfcp_get_busid_by_adapter(adapter), d_id); goto failed_send; } ZFCP_LOG_DEBUG("ELS request initiated (adapter %s, port d_id: " - "0x%08x)\n", zfcp_get_busid_by_adapter(adapter), d_id); + "0x%06x)\n", zfcp_get_busid_by_adapter(adapter), d_id); goto out; failed_send: @@ -1859,7 +1859,7 @@ static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req) case FSF_ELS_COMMAND_REJECTED: ZFCP_LOG_INFO("ELS has been rejected because command filter " "prohibited sending " - "(adapter: %s, port d_id: 0x%08x)\n", + "(adapter: %s, port d_id: 0x%06x)\n", zfcp_get_busid_by_adapter(adapter), d_id); break; @@ -1907,7 +1907,7 @@ static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req) case FSF_ACCESS_DENIED: ZFCP_LOG_NORMAL("access denied, cannot send ELS command " - "(adapter %s, port d_id=0x%08x)\n", + "(adapter %s, port d_id=0x%06x)\n", zfcp_get_busid_by_adapter(adapter), d_id); for (counter = 0; counter < 2; counter++) { subtable = header->fsf_status_qual.halfword[counter * 2]; @@ -2070,7 +2070,7 @@ zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *fsf_req, int xchg_ok) ZFCP_LOG_NORMAL("The adapter %s reported the following characteristics:\n" "WWNN 0x%016Lx, " "WWPN 0x%016Lx, " - "S_ID 0x%08x,\n" + "S_ID 0x%06x,\n" "adapter version 0x%x, " "LIC version 0x%x, " "FC link speed %d Gb/s\n", @@ -3043,6 +3043,7 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req) queue_designator = &header->fsf_status_qual.fsf_queue_designator; atomic_clear_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED | + ZFCP_STATUS_COMMON_ACCESS_BOXED | ZFCP_STATUS_UNIT_SHARED | ZFCP_STATUS_UNIT_READONLY, &unit->status); @@ -4645,23 +4646,22 @@ zfcp_fsf_req_create(struct zfcp_adapter *adapter, u32 fsf_cmd, int req_flags, fsf_req->adapter = adapter; fsf_req->fsf_command = fsf_cmd; INIT_LIST_HEAD(&fsf_req->list); - - /* this is serialized (we are holding req_queue-lock of adapter */ - if (adapter->req_no == 0) - adapter->req_no++; - fsf_req->req_id = adapter->req_no++; - init_timer(&fsf_req->timer); - zfcp_fsf_req_qtcb_init(fsf_req); /* initialize waitqueue which may be used to wait on this request completion */ init_waitqueue_head(&fsf_req->completion_wq); ret = zfcp_fsf_req_sbal_get(adapter, req_flags, lock_flags); - if(ret < 0) { + if (ret < 0) goto failed_sbals; - } + + /* this is serialized (we are holding req_queue-lock of adapter) */ + if (adapter->req_no == 0) + adapter->req_no++; + fsf_req->req_id = adapter->req_no++; + + zfcp_fsf_req_qtcb_init(fsf_req); /* * We hold queue_lock here. Check if QDIOUP is set and let request fail @@ -4788,7 +4788,7 @@ static int zfcp_fsf_req_send(struct zfcp_fsf_req *fsf_req) retval = -EIO; del_timer(&fsf_req->timer); spin_lock(&adapter->req_list_lock); - zfcp_reqlist_remove(adapter, fsf_req->req_id); + zfcp_reqlist_remove(adapter, fsf_req); spin_unlock(&adapter->req_list_lock); /* undo changes in request queue made for this request */ zfcp_qdio_zero_sbals(req_queue->buffer, diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index 1e12a78..cb08ca3 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c @@ -283,10 +283,10 @@ zfcp_qdio_request_handler(struct ccw_device *ccw_device, } /** - * zfcp_qdio_reqid_check - checks for valid reqids or unsolicited status + * zfcp_qdio_reqid_check - checks for valid reqids. */ -static int zfcp_qdio_reqid_check(struct zfcp_adapter *adapter, - unsigned long req_id) +static void zfcp_qdio_reqid_check(struct zfcp_adapter *adapter, + unsigned long req_id) { struct zfcp_fsf_req *fsf_req; unsigned long flags; @@ -294,23 +294,22 @@ static int zfcp_qdio_reqid_check(struct zfcp_adapter *adapter, debug_long_event(adapter->erp_dbf, 4, req_id); spin_lock_irqsave(&adapter->req_list_lock, flags); - fsf_req = zfcp_reqlist_ismember(adapter, req_id); + fsf_req = zfcp_reqlist_find(adapter, req_id); - if (!fsf_req) { - spin_unlock_irqrestore(&adapter->req_list_lock, flags); - ZFCP_LOG_NORMAL("error: unknown request id (%ld).\n", req_id); - zfcp_erp_adapter_reopen(adapter, 0); - return -EINVAL; - } + if (!fsf_req) + /* + * Unknown request means that we have potentially memory + * corruption and must stop the machine immediatly. + */ + panic("error: unknown request id (%ld) on adapter %s.\n", + req_id, zfcp_get_busid_by_adapter(adapter)); - zfcp_reqlist_remove(adapter, req_id); + zfcp_reqlist_remove(adapter, fsf_req); atomic_dec(&adapter->reqs_active); spin_unlock_irqrestore(&adapter->req_list_lock, flags); /* finish the FSF request */ zfcp_fsf_req_complete(fsf_req); - - return 0; } /* @@ -374,27 +373,9 @@ zfcp_qdio_response_handler(struct ccw_device *ccw_device, /* look for QDIO request identifiers in SB */ buffere = &buffer->element[buffere_index]; - retval = zfcp_qdio_reqid_check(adapter, - (unsigned long) buffere->addr); - - if (retval) { - ZFCP_LOG_NORMAL("bug: unexpected inbound " - "packet on adapter %s " - "(reqid=0x%lx, " - "first_element=%d, " - "elements_processed=%d)\n", - zfcp_get_busid_by_adapter(adapter), - (unsigned long) buffere->addr, - first_element, - elements_processed); - ZFCP_LOG_NORMAL("hex dump of inbound buffer " - "at address %p " - "(buffer_index=%d, " - "buffere_index=%d)\n", buffer, - buffer_index, buffere_index); - ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_NORMAL, - (char *) buffer, SBAL_SIZE); - } + zfcp_qdio_reqid_check(adapter, + (unsigned long) buffere->addr); + /* * A single used SBALE per inbound SBALE has been * implemented by QDIO so far. Hope they will diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 99db020..16e2d64 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -22,6 +22,7 @@ #define ZFCP_LOG_AREA ZFCP_LOG_AREA_SCSI #include "zfcp_ext.h" +#include <asm/atomic.h> static void zfcp_scsi_slave_destroy(struct scsi_device *sdp); static int zfcp_scsi_slave_alloc(struct scsi_device *sdp); @@ -179,6 +180,10 @@ static void zfcp_scsi_slave_destroy(struct scsi_device *sdpnt) struct zfcp_unit *unit = (struct zfcp_unit *) sdpnt->hostdata; if (unit) { + zfcp_erp_wait(unit->port->adapter); + wait_event(unit->scsi_scan_wq, + atomic_test_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, + &unit->status) == 0); atomic_clear_mask(ZFCP_STATUS_UNIT_REGISTERED, &unit->status); sdpnt->hostdata = NULL; unit->device = NULL; @@ -402,8 +407,8 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) /* Check whether corresponding fsf_req is still pending */ spin_lock(&adapter->req_list_lock); - fsf_req = zfcp_reqlist_ismember(adapter, (unsigned long) - scpnt->host_scribble); + fsf_req = zfcp_reqlist_find(adapter, + (unsigned long) scpnt->host_scribble); spin_unlock(&adapter->req_list_lock); if (!fsf_req) { write_unlock_irqrestore(&adapter->abort_lock, flags); diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c index 33682ce..3009ad8 100644 --- a/drivers/scsi/aacraid/comminit.c +++ b/drivers/scsi/aacraid/comminit.c @@ -387,12 +387,11 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev) * Ok now init the communication subsystem */ - dev->queues = kmalloc(sizeof(struct aac_queue_block), GFP_KERNEL); + dev->queues = kzalloc(sizeof(struct aac_queue_block), GFP_KERNEL); if (dev->queues == NULL) { printk(KERN_ERR "Error could not allocate comm region.\n"); return NULL; } - memset(dev->queues, 0, sizeof(struct aac_queue_block)); if (aac_comm_init(dev)<0){ kfree(dev->queues); diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index 5824a75..9aca57e 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -1223,13 +1223,11 @@ int aac_check_health(struct aac_dev * aac) * Warning: no sleep allowed while * holding spinlock */ - hw_fib = kmalloc(sizeof(struct hw_fib), GFP_ATOMIC); - fib = kmalloc(sizeof(struct fib), GFP_ATOMIC); + hw_fib = kzalloc(sizeof(struct hw_fib), GFP_ATOMIC); + fib = kzalloc(sizeof(struct fib), GFP_ATOMIC); if (fib && hw_fib) { struct aac_aifcmd * aif; - memset(hw_fib, 0, sizeof(struct hw_fib)); - memset(fib, 0, sizeof(struct fib)); fib->hw_fib_va = hw_fib; fib->dev = aac; aac_fib_init(fib); diff --git a/drivers/scsi/aacraid/dpcsup.c b/drivers/scsi/aacraid/dpcsup.c index 42c7dcd..fcd25f7 100644 --- a/drivers/scsi/aacraid/dpcsup.c +++ b/drivers/scsi/aacraid/dpcsup.c @@ -248,16 +248,14 @@ unsigned int aac_intr_normal(struct aac_dev * dev, u32 Index) * manage the linked lists. */ if ((!dev->aif_thread) - || (!(fib = kmalloc(sizeof(struct fib),GFP_ATOMIC)))) + || (!(fib = kzalloc(sizeof(struct fib),GFP_ATOMIC)))) return 1; - if (!(hw_fib = kmalloc(sizeof(struct hw_fib),GFP_ATOMIC))) { + if (!(hw_fib = kzalloc(sizeof(struct hw_fib),GFP_ATOMIC))) { kfree (fib); return 1; } - memset(hw_fib, 0, sizeof(struct hw_fib)); memcpy(hw_fib, (struct hw_fib *)(((ptrdiff_t)(dev->regs.sa)) + (index & ~0x00000002L)), sizeof(struct hw_fib)); - memset(fib, 0, sizeof(struct fib)); INIT_LIST_HEAD(&fib->fiblink); fib->type = FSAFS_NTC_FIB_CONTEXT; fib->size = sizeof(struct fib); diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c index 0c71315..291cd14 100644 --- a/drivers/scsi/aacraid/rx.c +++ b/drivers/scsi/aacraid/rx.c @@ -539,8 +539,10 @@ int _aac_rx_init(struct aac_dev *dev) } /* Failure to reset here is an option ... */ + dev->a_ops.adapter_sync_cmd = rx_sync_cmd; + dev->a_ops.adapter_enable_int = aac_rx_disable_interrupt; dev->OIMR = status = rx_readb (dev, MUnit.OIMR); - if ((((status & 0xff) != 0xff) || reset_devices) && + if ((((status & 0x0c) != 0x0c) || reset_devices) && !aac_rx_restart_adapter(dev, 0)) ++restart; /* diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c index 2a2cc6c..2311019 100644 --- a/drivers/scsi/ch.c +++ b/drivers/scsi/ch.c @@ -319,10 +319,9 @@ ch_readconfig(scsi_changer *ch) int result,id,lun,i; u_int elem; - buffer = kmalloc(512, GFP_KERNEL | GFP_DMA); + buffer = kzalloc(512, GFP_KERNEL | GFP_DMA); if (!buffer) return -ENOMEM; - memset(buffer,0,512); memset(cmd,0,sizeof(cmd)); cmd[0] = MODE_SENSE; @@ -530,10 +529,9 @@ ch_set_voltag(scsi_changer *ch, u_int elem, u_char *buffer; int result; - buffer = kmalloc(512, GFP_KERNEL); + buffer = kzalloc(512, GFP_KERNEL); if (!buffer) return -ENOMEM; - memset(buffer,0,512); dprintk("%s %s voltag: 0x%x => \"%s\"\n", clear ? "clear" : "set", @@ -922,11 +920,10 @@ static int ch_probe(struct device *dev) if (sd->type != TYPE_MEDIUM_CHANGER) return -ENODEV; - ch = kmalloc(sizeof(*ch), GFP_KERNEL); + ch = kzalloc(sizeof(*ch), GFP_KERNEL); if (NULL == ch) return -ENOMEM; - memset(ch,0,sizeof(*ch)); ch->minor = ch_devcount; sprintf(ch->name,"ch%d",ch->minor); mutex_init(&ch->lock); diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index fb6433a..8c7d2bb 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -1308,13 +1308,12 @@ static s32 adpt_i2o_reset_hba(adpt_hba* pHba) schedule_timeout_uninterruptible(1); } while (m == EMPTY_QUEUE); - status = kmalloc(4, GFP_KERNEL|ADDR32); + status = kzalloc(4, GFP_KERNEL|ADDR32); if(status == NULL) { adpt_send_nop(pHba, m); printk(KERN_ERR"IOP reset failed - no free memory.\n"); return -ENOMEM; } - memset(status,0,4); msg[0]=EIGHT_WORD_MSG_SIZE|SGL_OFFSET_0; msg[1]=I2O_CMD_ADAPTER_RESET<<24|HOST_TID<<12|ADAPTER_TID; @@ -1504,21 +1503,19 @@ static int adpt_i2o_parse_lct(adpt_hba* pHba) continue; } if( pHba->channel[bus_no].device[scsi_id] == NULL){ - pDev = kmalloc(sizeof(struct adpt_device),GFP_KERNEL); + pDev = kzalloc(sizeof(struct adpt_device),GFP_KERNEL); if(pDev == NULL) { return -ENOMEM; } pHba->channel[bus_no].device[scsi_id] = pDev; - memset(pDev,0,sizeof(struct adpt_device)); } else { for( pDev = pHba->channel[bus_no].device[scsi_id]; pDev->next_lun; pDev = pDev->next_lun){ } - pDev->next_lun = kmalloc(sizeof(struct adpt_device),GFP_KERNEL); + pDev->next_lun = kzalloc(sizeof(struct adpt_device),GFP_KERNEL); if(pDev->next_lun == NULL) { return -ENOMEM; } - memset(pDev->next_lun,0,sizeof(struct adpt_device)); pDev = pDev->next_lun; } pDev->tid = tid; @@ -1667,12 +1664,11 @@ static int adpt_i2o_passthru(adpt_hba* pHba, u32 __user *arg) reply_size = REPLY_FRAME_SIZE; } reply_size *= 4; - reply = kmalloc(REPLY_FRAME_SIZE*4, GFP_KERNEL); + reply = kzalloc(REPLY_FRAME_SIZE*4, GFP_KERNEL); if(reply == NULL) { printk(KERN_WARNING"%s: Could not allocate reply buffer\n",pHba->name); return -ENOMEM; } - memset(reply,0,REPLY_FRAME_SIZE*4); sg_offset = (msg[0]>>4)&0xf; msg[2] = 0x40000000; // IOCTL context msg[3] = (u32)reply; @@ -2444,7 +2440,7 @@ static s32 adpt_i2o_reparse_lct(adpt_hba* pHba) } pDev = pHba->channel[bus_no].device[scsi_id]; if( pDev == NULL){ - pDev = kmalloc(sizeof(struct adpt_device),GFP_KERNEL); + pDev = kzalloc(sizeof(struct adpt_device),GFP_KERNEL); if(pDev == NULL) { return -ENOMEM; } @@ -2453,12 +2449,11 @@ static s32 adpt_i2o_reparse_lct(adpt_hba* pHba) while (pDev->next_lun) { pDev = pDev->next_lun; } - pDev = pDev->next_lun = kmalloc(sizeof(struct adpt_device),GFP_KERNEL); + pDev = pDev->next_lun = kzalloc(sizeof(struct adpt_device),GFP_KERNEL); if(pDev == NULL) { return -ENOMEM; } } - memset(pDev,0,sizeof(struct adpt_device)); pDev->tid = d->lct_data.tid; pDev->scsi_channel = bus_no; pDev->scsi_id = scsi_id; diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 2c7b77e..4baa79e 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -92,6 +92,7 @@ static unsigned int ipr_fastfail = 0; static unsigned int ipr_transop_timeout = 0; static unsigned int ipr_enable_cache = 1; static unsigned int ipr_debug = 0; +static unsigned int ipr_dual_ioa_raid = 1; static DEFINE_SPINLOCK(ipr_driver_lock); /* This table describes the differences between DMA controller chips */ @@ -158,6 +159,8 @@ module_param_named(enable_cache, ipr_enable_cache, int, 0); MODULE_PARM_DESC(enable_cache, "Enable adapter's non-volatile write cache (default: 1)"); module_param_named(debug, ipr_debug, int, 0); MODULE_PARM_DESC(debug, "Enable device driver debugging logging. Set to 1 to enable. (default: 0)"); +module_param_named(dual_ioa_raid, ipr_dual_ioa_raid, int, 0); +MODULE_PARM_DESC(dual_ioa_raid, "Enable dual adapter RAID support. Set to 1 to enable. (default: 1)"); MODULE_LICENSE("GPL"); MODULE_VERSION(IPR_DRIVER_VERSION); @@ -206,6 +209,8 @@ struct ipr_error_table_t ipr_error_table[] = { "8009: Impending cache battery pack failure"}, {0x02040400, 0, 0, "34FF: Disk device format in progress"}, + {0x02048000, 0, IPR_DEFAULT_LOG_LEVEL, + "9070: IOA requested reset"}, {0x023F0000, 0, 0, "Synchronization required"}, {0x024E0000, 0, 0, @@ -951,6 +956,53 @@ static void ipr_process_ccn(struct ipr_cmnd *ipr_cmd) } /** + * strip_and_pad_whitespace - Strip and pad trailing whitespace. + * @i: index into buffer + * @buf: string to modify + * + * This function will strip all trailing whitespace, pad the end + * of the string with a single space, and NULL terminate the string. + * + * Return value: + * new length of string + **/ +static int strip_and_pad_whitespace(int i, char *buf) +{ + while (i && buf[i] == ' ') + i--; + buf[i+1] = ' '; + buf[i+2] = '\0'; + return i + 2; +} + +/** + * ipr_log_vpd_compact - Log the passed extended VPD compactly. + * @prefix: string to print at start of printk + * @hostrcb: hostrcb pointer + * @vpd: vendor/product id/sn struct + * + * Return value: + * none + **/ +static void ipr_log_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb, + struct ipr_vpd *vpd) +{ + char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN + IPR_SERIAL_NUM_LEN + 3]; + int i = 0; + + memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN); + i = strip_and_pad_whitespace(IPR_VENDOR_ID_LEN - 1, buffer); + + memcpy(&buffer[i], vpd->vpids.product_id, IPR_PROD_ID_LEN); + i = strip_and_pad_whitespace(i + IPR_PROD_ID_LEN - 1, buffer); + + memcpy(&buffer[i], vpd->sn, IPR_SERIAL_NUM_LEN); + buffer[IPR_SERIAL_NUM_LEN + i] = '\0'; + + ipr_hcam_err(hostrcb, "%s VPID/SN: %s\n", prefix, buffer); +} + +/** * ipr_log_vpd - Log the passed VPD to the error log. * @vpd: vendor/product id/sn struct * @@ -974,6 +1026,23 @@ static void ipr_log_vpd(struct ipr_vpd *vpd) } /** + * ipr_log_ext_vpd_compact - Log the passed extended VPD compactly. + * @prefix: string to print at start of printk + * @hostrcb: hostrcb pointer + * @vpd: vendor/product id/sn/wwn struct + * + * Return value: + * none + **/ +static void ipr_log_ext_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb, + struct ipr_ext_vpd *vpd) +{ + ipr_log_vpd_compact(prefix, hostrcb, &vpd->vpd); + ipr_hcam_err(hostrcb, "%s WWN: %08X%08X\n", prefix, + be32_to_cpu(vpd->wwid[0]), be32_to_cpu(vpd->wwid[1])); +} + +/** * ipr_log_ext_vpd - Log the passed extended VPD to the error log. * @vpd: vendor/product id/sn/wwn struct * @@ -1287,10 +1356,11 @@ static void ipr_log_enhanced_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, error = &hostrcb->hcam.u.error.u.type_17_error; error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; + strstrip(error->failure_reason); - ipr_err("%s\n", error->failure_reason); - ipr_err("Remote Adapter VPD:\n"); - ipr_log_ext_vpd(&error->vpd); + ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason, + be32_to_cpu(hostrcb->hcam.u.error.prc)); + ipr_log_ext_vpd_compact("Remote IOA", hostrcb, &error->vpd); ipr_log_hex_data(ioa_cfg, error->data, be32_to_cpu(hostrcb->hcam.length) - (offsetof(struct ipr_hostrcb_error, u) + @@ -1312,10 +1382,11 @@ static void ipr_log_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, error = &hostrcb->hcam.u.error.u.type_07_error; error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; + strstrip(error->failure_reason); - ipr_err("%s\n", error->failure_reason); - ipr_err("Remote Adapter VPD:\n"); - ipr_log_vpd(&error->vpd); + ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason, + be32_to_cpu(hostrcb->hcam.u.error.prc)); + ipr_log_vpd_compact("Remote IOA", hostrcb, &error->vpd); ipr_log_hex_data(ioa_cfg, error->data, be32_to_cpu(hostrcb->hcam.length) - (offsetof(struct ipr_hostrcb_error, u) + @@ -1672,12 +1743,15 @@ static void ipr_process_error(struct ipr_cmnd *ipr_cmd) struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb; u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc); + u32 fd_ioasc = be32_to_cpu(hostrcb->hcam.u.error.failing_dev_ioasc); list_del(&hostrcb->queue); list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); if (!ioasc) { ipr_handle_log_data(ioa_cfg, hostrcb); + if (fd_ioasc == IPR_IOASC_NR_IOA_RESET_REQUIRED) + ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_ABBREV); } else if (ioasc != IPR_IOASC_IOA_WAS_RESET) { dev_err(&ioa_cfg->pdev->dev, "Host RCB failed with IOASC: 0x%08X\n", ioasc); @@ -2635,8 +2709,13 @@ static ssize_t ipr_store_diagnostics(struct class_device *class_dev, if (!capable(CAP_SYS_ADMIN)) return -EACCES; - wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + while(ioa_cfg->in_reset_reload) { + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); + spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + } + ioa_cfg->errors_logged = 0; ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); @@ -2958,6 +3037,11 @@ static int ipr_update_ioa_ucode(struct ipr_ioa_cfg *ioa_cfg, unsigned long lock_flags; spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + while(ioa_cfg->in_reset_reload) { + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); + spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + } if (ioa_cfg->ucode_sglist) { spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); @@ -4656,18 +4740,19 @@ static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg, struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; struct ipr_resource_entry *res = scsi_cmd->device->hostdata; u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc); + u32 masked_ioasc = ioasc & IPR_IOASC_IOASC_MASK; if (!res) { ipr_scsi_eh_done(ipr_cmd); return; } - if (!ipr_is_gscsi(res)) + if (!ipr_is_gscsi(res) && masked_ioasc != IPR_IOASC_HW_DEV_BUS_STATUS) ipr_gen_sense(ipr_cmd); ipr_dump_ioasa(ioa_cfg, ipr_cmd, res); - switch (ioasc & IPR_IOASC_IOASC_MASK) { + switch (masked_ioasc) { case IPR_IOASC_ABORTED_CMD_TERM_BY_HOST: if (ipr_is_naca_model(res)) scsi_cmd->result |= (DID_ABORT << 16); @@ -5363,6 +5448,7 @@ static int ipr_ioa_reset_done(struct ipr_cmnd *ipr_cmd) ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb); } + scsi_report_bus_reset(ioa_cfg->host, IPR_VSET_BUS); dev_info(&ioa_cfg->pdev->dev, "IOA initialized.\n"); ioa_cfg->reset_retries = 0; @@ -5799,6 +5885,94 @@ static int ipr_ioafp_mode_sense_page28(struct ipr_cmnd *ipr_cmd) } /** + * ipr_ioafp_mode_select_page24 - Issue Mode Select to IOA + * @ipr_cmd: ipr command struct + * + * This function enables dual IOA RAID support if possible. + * + * Return value: + * IPR_RC_JOB_RETURN + **/ +static int ipr_ioafp_mode_select_page24(struct ipr_cmnd *ipr_cmd) +{ + struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; + struct ipr_mode_pages *mode_pages = &ioa_cfg->vpd_cbs->mode_pages; + struct ipr_mode_page24 *mode_page; + int length; + + ENTER; + mode_page = ipr_get_mode_page(mode_pages, 0x24, + sizeof(struct ipr_mode_page24)); + + if (mode_page) + mode_page->flags |= IPR_ENABLE_DUAL_IOA_AF; + + length = mode_pages->hdr.length + 1; + mode_pages->hdr.length = 0; + + ipr_build_mode_select(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), 0x11, + ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, mode_pages), + length); + + ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; + ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); + + LEAVE; + return IPR_RC_JOB_RETURN; +} + +/** + * ipr_reset_mode_sense_page24_failed - Handle failure of IOAFP mode sense + * @ipr_cmd: ipr command struct + * + * This function handles the failure of a Mode Sense to the IOAFP. + * Some adapters do not handle all mode pages. + * + * Return value: + * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN + **/ +static int ipr_reset_mode_sense_page24_failed(struct ipr_cmnd *ipr_cmd) +{ + u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc); + + if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) { + ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; + return IPR_RC_JOB_CONTINUE; + } + + return ipr_reset_cmd_failed(ipr_cmd); +} + +/** + * ipr_ioafp_mode_sense_page24 - Issue Page 24 Mode Sense to IOA + * @ipr_cmd: ipr command struct + * + * This function send a mode sense to the IOA to retrieve + * the IOA Advanced Function Control mode page. + * + * Return value: + * IPR_RC_JOB_RETURN + **/ +static int ipr_ioafp_mode_sense_page24(struct ipr_cmnd *ipr_cmd) +{ + struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; + + ENTER; + ipr_build_mode_sense(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), + 0x24, ioa_cfg->vpd_cbs_dma + + offsetof(struct ipr_misc_cbs, mode_pages), + sizeof(struct ipr_mode_pages)); + + ipr_cmd->job_step = ipr_ioafp_mode_select_page24; + ipr_cmd->job_step_failed = ipr_reset_mode_sense_page24_failed; + + ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); + + LEAVE; + return IPR_RC_JOB_RETURN; +} + +/** * ipr_init_res_table - Initialize the resource table * @ipr_cmd: ipr command struct * @@ -5866,7 +6040,10 @@ static int ipr_init_res_table(struct ipr_cmnd *ipr_cmd) } } - ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; + if (ioa_cfg->dual_raid && ipr_dual_ioa_raid) + ipr_cmd->job_step = ipr_ioafp_mode_sense_page24; + else + ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; LEAVE; return IPR_RC_JOB_CONTINUE; @@ -5888,8 +6065,11 @@ static int ipr_ioafp_query_ioa_cfg(struct ipr_cmnd *ipr_cmd) struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; struct ipr_ioadl_desc *ioadl = ipr_cmd->ioadl; struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data; + struct ipr_inquiry_cap *cap = &ioa_cfg->vpd_cbs->cap; ENTER; + if (cap->cap & IPR_CAP_DUAL_IOA_RAID) + ioa_cfg->dual_raid = 1; dev_info(&ioa_cfg->pdev->dev, "Adapter firmware version: %02X%02X%02X%02X\n", ucode_vpd->major_release, ucode_vpd->card_type, ucode_vpd->minor_release[0], ucode_vpd->minor_release[1]); @@ -5973,6 +6153,37 @@ static int ipr_inquiry_page_supported(struct ipr_inquiry_page0 *page0, u8 page) } /** + * ipr_ioafp_cap_inquiry - Send a Page 0xD0 Inquiry to the adapter. + * @ipr_cmd: ipr command struct + * + * This function sends a Page 0xD0 inquiry to the adapter + * to retrieve adapter capabilities. + * + * Return value: + * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN + **/ +static int ipr_ioafp_cap_inquiry(struct ipr_cmnd *ipr_cmd) +{ + struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; + struct ipr_inquiry_page0 *page0 = &ioa_cfg->vpd_cbs->page0_data; + struct ipr_inquiry_cap *cap = &ioa_cfg->vpd_cbs->cap; + + ENTER; + ipr_cmd->job_step = ipr_ioafp_query_ioa_cfg; + memset(cap, 0, sizeof(*cap)); + + if (ipr_inquiry_page_supported(page0, 0xD0)) { + ipr_ioafp_inquiry(ipr_cmd, 1, 0xD0, + ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, cap), + sizeof(struct ipr_inquiry_cap)); + return IPR_RC_JOB_RETURN; + } + + LEAVE; + return IPR_RC_JOB_CONTINUE; +} + +/** * ipr_ioafp_page3_inquiry - Send a Page 3 Inquiry to the adapter. * @ipr_cmd: ipr command struct * @@ -5992,7 +6203,7 @@ static int ipr_ioafp_page3_inquiry(struct ipr_cmnd *ipr_cmd) if (!ipr_inquiry_page_supported(page0, 1)) ioa_cfg->cache_state = CACHE_NONE; - ipr_cmd->job_step = ipr_ioafp_query_ioa_cfg; + ipr_cmd->job_step = ipr_ioafp_cap_inquiry; ipr_ioafp_inquiry(ipr_cmd, 1, 3, ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, page3_data), @@ -6278,6 +6489,7 @@ static void ipr_get_unit_check_buffer(struct ipr_ioa_cfg *ioa_cfg) struct ipr_hostrcb *hostrcb; struct ipr_uc_sdt sdt; int rc, length; + u32 ioasc; mailbox = readl(ioa_cfg->ioa_mailbox); @@ -6310,9 +6522,13 @@ static void ipr_get_unit_check_buffer(struct ipr_ioa_cfg *ioa_cfg) (__be32 *)&hostrcb->hcam, min(length, (int)sizeof(hostrcb->hcam)) / sizeof(__be32)); - if (!rc) + if (!rc) { ipr_handle_log_data(ioa_cfg, hostrcb); - else + ioasc = be32_to_cpu(hostrcb->hcam.u.error.failing_dev_ioasc); + if (ioasc == IPR_IOASC_NR_IOA_RESET_REQUIRED && + ioa_cfg->sdt_state == GET_DUMP) + ioa_cfg->sdt_state = WAIT_FOR_DUMP; + } else ipr_unit_check_no_data(ioa_cfg); list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_free_q); @@ -6425,6 +6641,48 @@ static int ipr_reset_start_bist(struct ipr_cmnd *ipr_cmd) } /** + * ipr_reset_slot_reset_done - Clear PCI reset to the adapter + * @ipr_cmd: ipr command struct + * + * Description: This clears PCI reset to the adapter and delays two seconds. + * + * Return value: + * IPR_RC_JOB_RETURN + **/ +static int ipr_reset_slot_reset_done(struct ipr_cmnd *ipr_cmd) +{ + ENTER; + pci_set_pcie_reset_state(ipr_cmd->ioa_cfg->pdev, pcie_deassert_reset); + ipr_cmd->job_step = ipr_reset_bist_done; + ipr_reset_start_timer(ipr_cmd, IPR_WAIT_FOR_BIST_TIMEOUT); + LEAVE; + return IPR_RC_JOB_RETURN; +} + +/** + * ipr_reset_slot_reset - Reset the PCI slot of the adapter. + * @ipr_cmd: ipr command struct + * + * Description: This asserts PCI reset to the adapter. + * + * Return value: + * IPR_RC_JOB_RETURN + **/ +static int ipr_reset_slot_reset(struct ipr_cmnd *ipr_cmd) +{ + struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; + struct pci_dev *pdev = ioa_cfg->pdev; + + ENTER; + pci_block_user_cfg_access(pdev); + pci_set_pcie_reset_state(pdev, pcie_warm_reset); + ipr_cmd->job_step = ipr_reset_slot_reset_done; + ipr_reset_start_timer(ipr_cmd, IPR_PCI_RESET_TIMEOUT); + LEAVE; + return IPR_RC_JOB_RETURN; +} + +/** * ipr_reset_allowed - Query whether or not IOA can be reset * @ioa_cfg: ioa config struct * @@ -6463,7 +6721,7 @@ static int ipr_reset_wait_to_start_bist(struct ipr_cmnd *ipr_cmd) ipr_cmd->u.time_left -= IPR_CHECK_FOR_RESET_TIMEOUT; ipr_reset_start_timer(ipr_cmd, IPR_CHECK_FOR_RESET_TIMEOUT); } else { - ipr_cmd->job_step = ipr_reset_start_bist; + ipr_cmd->job_step = ioa_cfg->reset; rc = IPR_RC_JOB_CONTINUE; } @@ -6496,7 +6754,7 @@ static int ipr_reset_alert(struct ipr_cmnd *ipr_cmd) writel(IPR_UPROCI_RESET_ALERT, ioa_cfg->regs.set_uproc_interrupt_reg); ipr_cmd->job_step = ipr_reset_wait_to_start_bist; } else { - ipr_cmd->job_step = ipr_reset_start_bist; + ipr_cmd->job_step = ioa_cfg->reset; } ipr_cmd->u.time_left = IPR_WAIT_FOR_RESET_TIMEOUT; @@ -6591,12 +6849,14 @@ static int ipr_reset_shutdown_ioa(struct ipr_cmnd *ipr_cmd) ipr_cmd->ioarcb.cmd_pkt.cdb[0] = IPR_IOA_SHUTDOWN; ipr_cmd->ioarcb.cmd_pkt.cdb[1] = shutdown_type; - if (shutdown_type == IPR_SHUTDOWN_ABBREV) - timeout = IPR_ABBREV_SHUTDOWN_TIMEOUT; + if (shutdown_type == IPR_SHUTDOWN_NORMAL) + timeout = IPR_SHUTDOWN_TIMEOUT; else if (shutdown_type == IPR_SHUTDOWN_PREPARE_FOR_NORMAL) timeout = IPR_INTERNAL_TIMEOUT; + else if (ioa_cfg->dual_raid && ipr_dual_ioa_raid) + timeout = IPR_DUAL_IOA_ABBR_SHUTDOWN_TO; else - timeout = IPR_SHUTDOWN_TIMEOUT; + timeout = IPR_ABBREV_SHUTDOWN_TIMEOUT; ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, timeout); @@ -6776,8 +7036,11 @@ static pci_ers_result_t ipr_pci_slot_reset(struct pci_dev *pdev) struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); spin_lock_irqsave(ioa_cfg->host->host_lock, flags); - _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_restore_cfg_space, - IPR_SHUTDOWN_NONE); + if (ioa_cfg->needs_warm_reset) + ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); + else + _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_restore_cfg_space, + IPR_SHUTDOWN_NONE); spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); return PCI_ERS_RESULT_RECOVERED; } @@ -7226,7 +7489,7 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev, unsigned long ipr_regs_pci; void __iomem *ipr_regs; int rc = PCIBIOS_SUCCESSFUL; - volatile u32 mask, uproc; + volatile u32 mask, uproc, interrupts; ENTER; @@ -7265,6 +7528,14 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev, else ioa_cfg->transop_timeout = IPR_OPERATIONAL_TIMEOUT; + rc = pci_read_config_byte(pdev, PCI_REVISION_ID, &ioa_cfg->revid); + + if (rc != PCIBIOS_SUCCESSFUL) { + dev_err(&pdev->dev, "Failed to read PCI revision ID\n"); + rc = -EIO; + goto out_scsi_host_put; + } + ipr_regs_pci = pci_resource_start(pdev, 0); rc = pci_request_regions(pdev, IPR_NAME); @@ -7333,9 +7604,14 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev, * the card is in an unknown state and needs a hard reset */ mask = readl(ioa_cfg->regs.sense_interrupt_mask_reg); + interrupts = readl(ioa_cfg->regs.sense_interrupt_reg); uproc = readl(ioa_cfg->regs.sense_uproc_interrupt_reg); if ((mask & IPR_PCII_HRRQ_UPDATED) == 0 || (uproc & IPR_UPROCI_RESET_ALERT)) ioa_cfg->needs_hard_reset = 1; + if (interrupts & IPR_PCII_ERROR_INTERRUPTS) + ioa_cfg->needs_hard_reset = 1; + if (interrupts & IPR_PCII_IOA_UNIT_CHECKED) + ioa_cfg->ioa_unit_checked = 1; ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); rc = request_irq(pdev->irq, ipr_isr, IRQF_SHARED, IPR_NAME, ioa_cfg); @@ -7346,6 +7622,13 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev, goto cleanup_nolog; } + if ((dev_id->driver_data & IPR_USE_PCI_WARM_RESET) || + (dev_id->device == PCI_DEVICE_ID_IBM_OBSIDIAN_E && !ioa_cfg->revid)) { + ioa_cfg->needs_warm_reset = 1; + ioa_cfg->reset = ipr_reset_slot_reset; + } else + ioa_cfg->reset = ipr_reset_start_bist; + spin_lock(&ipr_driver_lock); list_add_tail(&ioa_cfg->queue, &ipr_ioa_head); spin_unlock(&ipr_driver_lock); @@ -7428,6 +7711,12 @@ static void __ipr_remove(struct pci_dev *pdev) ENTER; spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); + while(ioa_cfg->in_reset_reload) { + spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); + wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); + spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); + } + ipr_initiate_ioa_bringdown(ioa_cfg, IPR_SHUTDOWN_NORMAL); spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); @@ -7551,6 +7840,12 @@ static void ipr_shutdown(struct pci_dev *pdev) unsigned long lock_flags = 0; spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + while(ioa_cfg->in_reset_reload) { + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); + spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + } + ipr_initiate_ioa_bringdown(ioa_cfg, IPR_SHUTDOWN_NORMAL); spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); @@ -7577,19 +7872,22 @@ static struct pci_device_id ipr_pci_table[] __devinitdata = { { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, 0 }, { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, - PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, 0 }, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, + IPR_USE_LONG_TRANSOP_TIMEOUT }, { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0, IPR_USE_LONG_TRANSOP_TIMEOUT }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, 0 }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, - PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, 0 }, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, + IPR_USE_LONG_TRANSOP_TIMEOUT}, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0, IPR_USE_LONG_TRANSOP_TIMEOUT }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, - PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_574E, 0, 0, 0 }, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_574E, 0, 0, + IPR_USE_LONG_TRANSOP_TIMEOUT }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575D, 0, 0, IPR_USE_LONG_TRANSOP_TIMEOUT }, @@ -7597,7 +7895,7 @@ static struct pci_device_id ipr_pci_table[] __devinitdata = { PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B3, 0, 0, 0 }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B7, 0, 0, - IPR_USE_LONG_TRANSOP_TIMEOUT }, + IPR_USE_LONG_TRANSOP_TIMEOUT | IPR_USE_PCI_WARM_RESET }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2780, 0, 0, 0 }, { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, @@ -7627,6 +7925,7 @@ static struct pci_driver ipr_driver = { .remove = ipr_remove, .shutdown = ipr_shutdown, .err_handler = &ipr_err_handler, + .dynids.use_driver_data = 1 }; /** diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index bc53d7c..d931566 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -37,8 +37,8 @@ /* * Literals */ -#define IPR_DRIVER_VERSION "2.3.2" -#define IPR_DRIVER_DATE "(March 23, 2007)" +#define IPR_DRIVER_VERSION "2.4.1" +#define IPR_DRIVER_DATE "(April 24, 2007)" /* * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding @@ -91,6 +91,7 @@ * IOASCs */ #define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200 +#define IPR_IOASC_NR_IOA_RESET_REQUIRED 0x02048000 #define IPR_IOASC_SYNC_REQUIRED 0x023f0000 #define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00 #define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000 @@ -111,6 +112,7 @@ /* Driver data flags */ #define IPR_USE_LONG_TRANSOP_TIMEOUT 0x00000001 +#define IPR_USE_PCI_WARM_RESET 0x00000002 #define IPR_DEFAULT_MAX_ERROR_DUMP 984 #define IPR_NUM_LOG_HCAMS 2 @@ -179,6 +181,7 @@ #define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ) #define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ) #define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ) +#define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO (2 * 60 * HZ) #define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ) #define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ) #define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ) @@ -191,6 +194,7 @@ #define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ) #define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10) #define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ) +#define IPR_PCI_RESET_TIMEOUT (HZ / 2) #define IPR_DUMP_TIMEOUT (15 * HZ) /* @@ -602,6 +606,12 @@ struct ipr_mode_page28 { struct ipr_dev_bus_entry bus[0]; }__attribute__((packed)); +struct ipr_mode_page24 { + struct ipr_mode_page_hdr hdr; + u8 flags; +#define IPR_ENABLE_DUAL_IOA_AF 0x80 +}__attribute__((packed)); + struct ipr_ioa_vpd { struct ipr_std_inq_data std_inq_data; u8 ascii_part_num[12]; @@ -624,6 +634,19 @@ struct ipr_inquiry_page3 { u8 patch_number[4]; }__attribute__((packed)); +struct ipr_inquiry_cap { + u8 peri_qual_dev_type; + u8 page_code; + u8 reserved1; + u8 page_length; + u8 ascii_len; + u8 reserved2; + u8 sis_version[2]; + u8 cap; +#define IPR_CAP_DUAL_IOA_RAID 0x80 + u8 reserved3[15]; +}__attribute__((packed)); + #define IPR_INQUIRY_PAGE0_ENTRIES 20 struct ipr_inquiry_page0 { u8 peri_qual_dev_type; @@ -962,6 +985,7 @@ struct ipr_misc_cbs { struct ipr_ioa_vpd ioa_vpd; struct ipr_inquiry_page0 page0_data; struct ipr_inquiry_page3 page3_data; + struct ipr_inquiry_cap cap; struct ipr_mode_pages mode_pages; struct ipr_supported_device supp_dev; }; @@ -1068,6 +1092,10 @@ struct ipr_ioa_cfg { u8 allow_cmds:1; u8 allow_ml_add_del:1; u8 needs_hard_reset:1; + u8 dual_raid:1; + u8 needs_warm_reset:1; + + u8 revid; enum ipr_cache_state cache_state; u16 type; /* CCIN of the card */ @@ -1161,6 +1189,7 @@ struct ipr_ioa_cfg { struct pci_pool *ipr_cmd_pool; struct ipr_cmnd *reset_cmd; + int (*reset) (struct ipr_cmnd *); struct ata_host ata_host; char ipr_cmd_label[8]; diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 897a5e2..b4b5269 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -23,6 +23,8 @@ * */ +#include <linux/kthread.h> + #include "sas_internal.h" #include <scsi/scsi_host.h> @@ -184,7 +186,7 @@ static int sas_queue_up(struct sas_task *task) list_add_tail(&task->list, &core->task_queue); core->task_queue_size += 1; spin_unlock_irqrestore(&core->task_queue_lock, flags); - up(&core->queue_thread_sema); + wake_up_process(core->queue_thread); return 0; } @@ -819,7 +821,7 @@ static void sas_queue(struct sas_ha_struct *sas_ha) struct sas_internal *i = to_sas_internal(core->shost->transportt); spin_lock_irqsave(&core->task_queue_lock, flags); - while (!core->queue_thread_kill && + while (!kthread_should_stop() && !list_empty(&core->task_queue)) { can_queue = sas_ha->lldd_queue_size - core->task_queue_size; @@ -858,8 +860,6 @@ static void sas_queue(struct sas_ha_struct *sas_ha) spin_unlock_irqrestore(&core->task_queue_lock, flags); } -static DECLARE_COMPLETION(queue_th_comp); - /** * sas_queue_thread -- The Task Collector thread * @_sas_ha: pointer to struct sas_ha @@ -867,40 +867,33 @@ static DECLARE_COMPLETION(queue_th_comp); static int sas_queue_thread(void *_sas_ha) { struct sas_ha_struct *sas_ha = _sas_ha; - struct scsi_core *core = &sas_ha->core; - daemonize("sas_queue_%d", core->shost->host_no); current->flags |= PF_NOFREEZE; - complete(&queue_th_comp); - while (1) { - down_interruptible(&core->queue_thread_sema); + set_current_state(TASK_INTERRUPTIBLE); + schedule(); sas_queue(sas_ha); - if (core->queue_thread_kill) + if (kthread_should_stop()) break; } - complete(&queue_th_comp); - return 0; } int sas_init_queue(struct sas_ha_struct *sas_ha) { - int res; struct scsi_core *core = &sas_ha->core; spin_lock_init(&core->task_queue_lock); core->task_queue_size = 0; INIT_LIST_HEAD(&core->task_queue); - init_MUTEX_LOCKED(&core->queue_thread_sema); - res = kernel_thread(sas_queue_thread, sas_ha, 0); - if (res >= 0) - wait_for_completion(&queue_th_comp); - - return res < 0 ? res : 0; + core->queue_thread = kthread_run(sas_queue_thread, sas_ha, + "sas_queue_%d", core->shost->host_no); + if (IS_ERR(core->queue_thread)) + return PTR_ERR(core->queue_thread); + return 0; } void sas_shutdown_queue(struct sas_ha_struct *sas_ha) @@ -909,10 +902,7 @@ void sas_shutdown_queue(struct sas_ha_struct *sas_ha) struct scsi_core *core = &sas_ha->core; struct sas_task *task, *n; - init_completion(&queue_th_comp); - core->queue_thread_kill = 1; - up(&core->queue_thread_sema); - wait_for_completion(&queue_th_comp); + kthread_stop(core->queue_thread); if (!list_empty(&core->task_queue)) SAS_DPRINTK("HA: %llx: scsi core task queue is NOT empty!?\n", diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index a7de0bc..82e8f90 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2006 Emulex. All rights reserved. * + * Copyright (C) 2004-2007 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -27,10 +27,6 @@ struct lpfc_sli2_slim; requests */ #define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact the NameServer before giving up. */ -#define LPFC_DFT_HBA_Q_DEPTH 2048 /* max cmds per hba */ -#define LPFC_LC_HBA_Q_DEPTH 1024 /* max cmds per low cost hba */ -#define LPFC_LP101_HBA_Q_DEPTH 128 /* max cmds per low cost hba */ - #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */ #define LPFC_SG_SEG_CNT 64 /* sg element count per scsi cmnd */ #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */ @@ -244,28 +240,23 @@ struct lpfc_hba { #define FC_FABRIC 0x100 /* We are fabric attached */ #define FC_ESTABLISH_LINK 0x200 /* Reestablish Link */ #define FC_RSCN_DISCOVERY 0x400 /* Authenticate all devices after RSCN*/ +#define FC_BLOCK_MGMT_IO 0x800 /* Don't allow mgmt mbx or iocb cmds */ #define FC_LOADING 0x1000 /* HBA in process of loading drvr */ #define FC_UNLOADING 0x2000 /* HBA in process of unloading drvr */ #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */ #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */ #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */ #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */ +#define FC_LOOPBACK_MODE 0x40000 /* NPort is in Loopback mode */ + /* This flag is set while issuing */ + /* INIT_LINK mailbox command */ +#define FC_IGNORE_ERATT 0x80000 /* intr handler should ignore ERATT */ uint32_t fc_topology; /* link topology, from LINK INIT */ struct lpfc_stats fc_stat; - /* These are the head/tail pointers for the bind, plogi, adisc, unmap, - * and map lists. Their counters are immediately following. - */ - struct list_head fc_plogi_list; - struct list_head fc_adisc_list; - struct list_head fc_reglogin_list; - struct list_head fc_prli_list; - struct list_head fc_nlpunmap_list; - struct list_head fc_nlpmap_list; - struct list_head fc_npr_list; - struct list_head fc_unused_list; + struct list_head fc_nodes; /* Keep counters for the number of entries in each list. */ uint16_t fc_plogi_cnt; @@ -387,13 +378,17 @@ struct lpfc_hba { mempool_t *mbox_mem_pool; mempool_t *nlp_mem_pool; - struct list_head freebufList; - struct list_head ctrspbuflist; - struct list_head rnidrspbuflist; struct fc_host_statistics link_stats; }; +static inline void +lpfc_set_loopback_flag(struct lpfc_hba *phba) { + if (phba->cfg_topology == FLAGS_LOCAL_LB) + phba->fc_flag |= FC_LOOPBACK_MODE; + else + phba->fc_flag &= ~FC_LOOPBACK_MODE; +} struct rnidrsp { void *buf; diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index f247e78..95fe77e 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2006 Emulex. All rights reserved. * + * Copyright (C) 2004-2007 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -20,6 +20,7 @@ *******************************************************************/ #include <linux/ctype.h> +#include <linux/delay.h> #include <linux/pci.h> #include <linux/interrupt.h> @@ -213,6 +214,7 @@ lpfc_issue_lip(struct Scsi_Host *host) int mbxstatus = MBXERR_ERROR; if ((phba->fc_flag & FC_OFFLINE_MODE) || + (phba->fc_flag & FC_BLOCK_MGMT_IO) || (phba->hba_state != LPFC_HBA_READY)) return -EPERM; @@ -235,6 +237,7 @@ lpfc_issue_lip(struct Scsi_Host *host) phba->fc_ratov * 2); } + lpfc_set_loopback_flag(phba); if (mbxstatus == MBX_TIMEOUT) pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; else @@ -247,19 +250,62 @@ lpfc_issue_lip(struct Scsi_Host *host) } static int -lpfc_selective_reset(struct lpfc_hba *phba) +lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) { struct completion online_compl; + struct lpfc_sli_ring *pring; + struct lpfc_sli *psli; int status = 0; + int cnt = 0; + int i; init_completion(&online_compl); lpfc_workq_post_event(phba, &status, &online_compl, - LPFC_EVT_OFFLINE); + LPFC_EVT_OFFLINE_PREP); + wait_for_completion(&online_compl); + + if (status != 0) + return -EIO; + + psli = &phba->sli; + + for (i = 0; i < psli->num_rings; i++) { + pring = &psli->ring[i]; + /* The linkdown event takes 30 seconds to timeout. */ + while (pring->txcmplq_cnt) { + msleep(10); + if (cnt++ > 3000) { + lpfc_printf_log(phba, + KERN_WARNING, LOG_INIT, + "%d:0466 Outstanding IO when " + "bringing Adapter offline\n", + phba->brd_no); + break; + } + } + } + + init_completion(&online_compl); + lpfc_workq_post_event(phba, &status, &online_compl, type); wait_for_completion(&online_compl); if (status != 0) return -EIO; + return 0; +} + +static int +lpfc_selective_reset(struct lpfc_hba *phba) +{ + struct completion online_compl; + int status = 0; + + status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); + + if (status != 0) + return status; + init_completion(&online_compl); lpfc_workq_post_event(phba, &status, &online_compl, LPFC_EVT_ONLINE); @@ -324,23 +370,19 @@ lpfc_board_mode_store(struct class_device *cdev, const char *buf, size_t count) init_completion(&online_compl); - if(strncmp(buf, "online", sizeof("online") - 1) == 0) + if(strncmp(buf, "online", sizeof("online") - 1) == 0) { lpfc_workq_post_event(phba, &status, &online_compl, LPFC_EVT_ONLINE); - else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0) - lpfc_workq_post_event(phba, &status, &online_compl, - LPFC_EVT_OFFLINE); + wait_for_completion(&online_compl); + } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0) + status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0) - lpfc_workq_post_event(phba, &status, &online_compl, - LPFC_EVT_WARM_START); - else if (strncmp(buf, "error", sizeof("error") - 1) == 0) - lpfc_workq_post_event(phba, &status, &online_compl, - LPFC_EVT_KILL); + status = lpfc_do_offline(phba, LPFC_EVT_WARM_START); + else if (strncmp(buf, "error", sizeof("error") - 1) == 0) + status = lpfc_do_offline(phba, LPFC_EVT_KILL); else return -EINVAL; - wait_for_completion(&online_compl); - if (!status) return strlen(buf); else @@ -645,9 +687,7 @@ lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count) dev_printk(KERN_NOTICE, &phba->pcidev->dev, "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); - init_completion(&online_compl); - lpfc_workq_post_event(phba, &stat1, &online_compl, LPFC_EVT_OFFLINE); - wait_for_completion(&online_compl); + stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); if (stat1) lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "%d:0463 lpfc_soft_wwpn attribute set failed to reinit " @@ -789,6 +829,18 @@ lpfc_nodev_tmo_init(struct lpfc_hba *phba, int val) return -EINVAL; } +static void +lpfc_update_rport_devloss_tmo(struct lpfc_hba *phba) +{ + struct lpfc_nodelist *ndlp; + + spin_lock_irq(phba->host->host_lock); + list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) + if (ndlp->rport) + ndlp->rport->dev_loss_tmo = phba->cfg_devloss_tmo; + spin_unlock_irq(phba->host->host_lock); +} + static int lpfc_nodev_tmo_set(struct lpfc_hba *phba, int val) { @@ -804,6 +856,7 @@ lpfc_nodev_tmo_set(struct lpfc_hba *phba, int val) if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { phba->cfg_nodev_tmo = val; phba->cfg_devloss_tmo = val; + lpfc_update_rport_devloss_tmo(phba); return 0; } @@ -839,6 +892,7 @@ lpfc_devloss_tmo_set(struct lpfc_hba *phba, int val) phba->cfg_nodev_tmo = val; phba->cfg_devloss_tmo = val; phba->dev_loss_tmo_changed = 1; + lpfc_update_rport_devloss_tmo(phba); return 0; } @@ -931,9 +985,10 @@ LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology"); # 1 = 1 Gigabaud # 2 = 2 Gigabaud # 4 = 4 Gigabaud -# Value range is [0,4]. Default value is 0. +# 8 = 8 Gigabaud +# Value range is [0,8]. Default value is 0. */ -LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed"); +LPFC_ATTR_R(link_speed, 0, 0, 8, "Select link speed"); /* # lpfc_fcp_class: Determines FC class to use for the FCP protocol. @@ -958,7 +1013,7 @@ LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); /* # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing # cr_delay (msec) or cr_count outstanding commands. cr_delay can take -# value [0,63]. cr_count can take value [0,255]. Default value of cr_delay +# value [0,63]. cr_count can take value [1,255]. Default value of cr_delay # is 0. Default value of cr_count is 1. The cr_count feature is disabled if # cr_delay is set to 0. */ @@ -1227,11 +1282,11 @@ sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count) struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; int rc; - if (off > sizeof(MAILBOX_t)) + if (off > MAILBOX_CMD_SIZE) return -ERANGE; - if ((count + off) > sizeof(MAILBOX_t)) - count = sizeof(MAILBOX_t) - off; + if ((count + off) > MAILBOX_CMD_SIZE) + count = MAILBOX_CMD_SIZE - off; if (off % 4 || count % 4 || (unsigned long)buf % 4) return -EINVAL; @@ -1307,6 +1362,12 @@ sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count) return -EPERM; } + if (phba->fc_flag & FC_BLOCK_MGMT_IO) { + sysfs_mbox_idle(phba); + spin_unlock_irq(host->host_lock); + return -EAGAIN; + } + if ((phba->fc_flag & FC_OFFLINE_MODE) || (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){ @@ -1326,6 +1387,11 @@ sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count) } if (rc != MBX_SUCCESS) { + if (rc == MBX_TIMEOUT) { + phba->sysfs_mbox.mbox->mbox_cmpl = + lpfc_sli_def_mbox_cmpl; + phba->sysfs_mbox.mbox = NULL; + } sysfs_mbox_idle(phba); spin_unlock_irq(host->host_lock); return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV; @@ -1344,7 +1410,7 @@ sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count) phba->sysfs_mbox.offset = off + count; - if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t)) + if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE) sysfs_mbox_idle(phba); spin_unlock_irq(phba->host->host_lock); @@ -1358,7 +1424,7 @@ static struct bin_attribute sysfs_mbox_attr = { .mode = S_IRUSR | S_IWUSR, .owner = THIS_MODULE, }, - .size = sizeof(MAILBOX_t), + .size = MAILBOX_CMD_SIZE, .read = sysfs_mbox_read, .write = sysfs_mbox_write, }; @@ -1494,6 +1560,9 @@ lpfc_get_host_speed(struct Scsi_Host *shost) case LA_4GHZ_LINK: fc_host_speed(shost) = FC_PORTSPEED_4GBIT; break; + case LA_8GHZ_LINK: + fc_host_speed(shost) = FC_PORTSPEED_8GBIT; + break; default: fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; break; @@ -1546,6 +1615,9 @@ lpfc_get_stats(struct Scsi_Host *shost) unsigned long seconds; int rc = 0; + if (phba->fc_flag & FC_BLOCK_MGMT_IO) + return NULL; + pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!pmboxq) return NULL; @@ -1631,6 +1703,8 @@ lpfc_get_stats(struct Scsi_Host *shost) else hs->seconds_since_last_reset = seconds - psli->stats_start; + mempool_free(pmboxq, phba->mbox_mem_pool); + return hs; } @@ -1644,6 +1718,9 @@ lpfc_reset_stats(struct Scsi_Host *shost) MAILBOX_t *pmb; int rc = 0; + if (phba->fc_flag & FC_BLOCK_MGMT_IO) + return; + pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!pmboxq) return; @@ -1699,6 +1776,8 @@ lpfc_reset_stats(struct Scsi_Host *shost) psli->stats_start = get_seconds(); + mempool_free(pmboxq, phba->mbox_mem_pool); + return; } @@ -1706,67 +1785,51 @@ lpfc_reset_stats(struct Scsi_Host *shost) * The LPFC driver treats linkdown handling as target loss events so there * are no sysfs handlers for link_down_tmo. */ -static void -lpfc_get_starget_port_id(struct scsi_target *starget) + +static struct lpfc_nodelist * +lpfc_get_node_by_target(struct scsi_target *starget) { struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata; - uint32_t did = -1; - struct lpfc_nodelist *ndlp = NULL; + struct lpfc_nodelist *ndlp; spin_lock_irq(shost->host_lock); - /* Search the mapped list for this target ID */ - list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) { - if (starget->id == ndlp->nlp_sid) { - did = ndlp->nlp_DID; - break; + /* Search for this, mapped, target ID */ + list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) { + if (ndlp->nlp_state == NLP_STE_MAPPED_NODE && + starget->id == ndlp->nlp_sid) { + spin_unlock_irq(shost->host_lock); + return ndlp; } } spin_unlock_irq(shost->host_lock); + return NULL; +} + +static void +lpfc_get_starget_port_id(struct scsi_target *starget) +{ + struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); - fc_starget_port_id(starget) = did; + fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1; } static void lpfc_get_starget_node_name(struct scsi_target *starget) { - struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); - struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata; - u64 node_name = 0; - struct lpfc_nodelist *ndlp = NULL; - - spin_lock_irq(shost->host_lock); - /* Search the mapped list for this target ID */ - list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) { - if (starget->id == ndlp->nlp_sid) { - node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn); - break; - } - } - spin_unlock_irq(shost->host_lock); + struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); - fc_starget_node_name(starget) = node_name; + fc_starget_node_name(starget) = + ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0; } static void lpfc_get_starget_port_name(struct scsi_target *starget) { - struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); - struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata; - u64 port_name = 0; - struct lpfc_nodelist *ndlp = NULL; - - spin_lock_irq(shost->host_lock); - /* Search the mapped list for this target ID */ - list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) { - if (starget->id == ndlp->nlp_sid) { - port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn); - break; - } - } - spin_unlock_irq(shost->host_lock); + struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); - fc_starget_port_name(starget) = port_name; + fc_starget_port_name(starget) = + ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0; } static void @@ -1895,25 +1958,8 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) sizeof(struct fcp_rsp) + (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64)); - switch (phba->pcidev->device) { - case PCI_DEVICE_ID_LP101: - case PCI_DEVICE_ID_BSMB: - case PCI_DEVICE_ID_ZSMB: - phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH; - break; - case PCI_DEVICE_ID_RFLY: - case PCI_DEVICE_ID_PFLY: - case PCI_DEVICE_ID_BMID: - case PCI_DEVICE_ID_ZMID: - case PCI_DEVICE_ID_TFLY: - phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH; - break; - default: - phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH; - } - if (phba->cfg_hba_queue_depth > lpfc_hba_queue_depth) - lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); + lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); return; } diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 1251788..b8c2a88 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2006 Emulex. All rights reserved. * + * Copyright (C) 2004-2007 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * * @@ -18,6 +18,8 @@ * included with this package. * *******************************************************************/ +typedef int (*node_filter)(struct lpfc_nodelist *ndlp, void *param); + struct fc_rport; void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t); void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *); @@ -43,20 +45,24 @@ void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); -int lpfc_nlp_list(struct lpfc_hba *, struct lpfc_nodelist *, int); +void lpfc_dequeue_node(struct lpfc_hba *, struct lpfc_nodelist *); +void lpfc_nlp_set_state(struct lpfc_hba *, struct lpfc_nodelist *, int); +void lpfc_drop_node(struct lpfc_hba *, struct lpfc_nodelist *); void lpfc_set_disctmo(struct lpfc_hba *); int lpfc_can_disctmo(struct lpfc_hba *); int lpfc_unreg_rpi(struct lpfc_hba *, struct lpfc_nodelist *); int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *, struct lpfc_iocbq *, struct lpfc_nodelist *); -int lpfc_nlp_remove(struct lpfc_hba *, struct lpfc_nodelist *); void lpfc_nlp_init(struct lpfc_hba *, struct lpfc_nodelist *, uint32_t); +struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *); +int lpfc_nlp_put(struct lpfc_nodelist *); struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_hba *, uint32_t); void lpfc_disc_list_loopmap(struct lpfc_hba *); void lpfc_disc_start(struct lpfc_hba *); void lpfc_disc_flush_list(struct lpfc_hba *); void lpfc_disc_timeout(unsigned long); +struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi); struct lpfc_nodelist *lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi); int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t); @@ -66,8 +72,7 @@ int lpfc_disc_state_machine(struct lpfc_hba *, struct lpfc_nodelist *, void *, int lpfc_check_sparm(struct lpfc_hba *, struct lpfc_nodelist *, struct serv_parm *, uint32_t); -int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist * ndlp, - int); +int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist * ndlp); int lpfc_els_abort_flogi(struct lpfc_hba *); int lpfc_initial_flogi(struct lpfc_hba *); int lpfc_issue_els_plogi(struct lpfc_hba *, uint32_t, uint8_t); @@ -113,7 +118,10 @@ void lpfc_hba_init(struct lpfc_hba *, uint32_t *); int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int, int); void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int); int lpfc_online(struct lpfc_hba *); -int lpfc_offline(struct lpfc_hba *); +void lpfc_block_mgmt_io(struct lpfc_hba *); +void lpfc_unblock_mgmt_io(struct lpfc_hba *); +void lpfc_offline_prep(struct lpfc_hba *); +void lpfc_offline(struct lpfc_hba *); int lpfc_sli_setup(struct lpfc_hba *); int lpfc_sli_queue_setup(struct lpfc_hba *); @@ -162,8 +170,8 @@ int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *, struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *, struct lpfc_sli_ring *, dma_addr_t); -int lpfc_sli_issue_abort_iotag32(struct lpfc_hba *, struct lpfc_sli_ring *, - struct lpfc_iocbq *); +int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *, + struct lpfc_iocbq *); int lpfc_sli_sum_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, uint16_t, uint64_t, lpfc_ctx_cmd); int lpfc_sli_abort_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, uint16_t, @@ -172,9 +180,8 @@ int lpfc_sli_abort_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, uint16_t, void lpfc_mbox_timeout(unsigned long); void lpfc_mbox_timeout_handler(struct lpfc_hba *); -struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_hba *, uint32_t, uint32_t); -struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_hba *, uint32_t, - struct lpfc_name *); +struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_hba *, uint32_t); +struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_hba *, struct lpfc_name *); int lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq, uint32_t timeout); @@ -193,6 +200,9 @@ void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t); /* Function prototypes. */ const char* lpfc_info(struct Scsi_Host *); +void lpfc_scan_start(struct Scsi_Host *); +int lpfc_scan_finished(struct Scsi_Host *, unsigned long); + void lpfc_get_cfgparam(struct lpfc_hba *); int lpfc_alloc_sysfs_attr(struct lpfc_hba *); void lpfc_free_sysfs_attr(struct lpfc_hba *); diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index a51a41b..34a9e3b 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2006 Emulex. All rights reserved. * + * Copyright (C) 2004-2007 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * * @@ -334,21 +334,22 @@ lpfc_ns_rsp(struct lpfc_hba * phba, struct lpfc_dmabuf * mp, uint32_t Size) lpfc_set_disctmo(phba); - Cnt = Size > FCELSSIZE ? FCELSSIZE : Size; list_add_tail(&head, &mp->list); list_for_each_entry_safe(mp, next_mp, &head, list) { mlast = mp; + Cnt = Size > FCELSSIZE ? FCELSSIZE : Size; + Size -= Cnt; - if (!ctptr) + if (!ctptr) { ctptr = (uint32_t *) mlast->virt; - else + } else Cnt -= 16; /* subtract length of CT header */ /* Loop through entire NameServer list of DIDs */ - while (Cnt) { + while (Cnt >= sizeof (uint32_t)) { /* Get next DID from NameServer List */ CTentry = *ctptr++; @@ -442,10 +443,8 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) { phba->fc_ns_retry++; /* CT command is being retried */ - ndlp = - lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED, - NameServer_DID); - if (ndlp) { + ndlp = lpfc_findnode_did(phba, NameServer_DID); + if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT) == 0) { goto out; @@ -729,7 +728,7 @@ lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba * phba, uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp; uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp; - ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, FDMI_DID); + ndlp = lpfc_findnode_did(phba, FDMI_DID); if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) { /* FDMI rsp failed */ lpfc_printf_log(phba, @@ -1039,6 +1038,9 @@ lpfc_fdmi_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode) case LA_4GHZ_LINK: ae->un.PortSpeed = HBA_PORTSPEED_4GBIT; break; + case LA_8GHZ_LINK: + ae->un.PortSpeed = HBA_PORTSPEED_8GBIT; + break; default: ae->un.PortSpeed = HBA_PORTSPEED_UNKNOWN; @@ -1161,7 +1163,7 @@ lpfc_fdmi_tmo_handler(struct lpfc_hba *phba) { struct lpfc_nodelist *ndlp; - ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, FDMI_DID); + ndlp = lpfc_findnode_did(phba, FDMI_DID); if (ndlp) { if (init_utsname()->nodename[0] != '\0') { lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA); diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h index 9766f90..498059f 100644 --- a/drivers/scsi/lpfc/lpfc_disc.h +++ b/drivers/scsi/lpfc/lpfc_disc.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2006 Emulex. All rights reserved. * + * Copyright (C) 2004-2007 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * * @@ -31,6 +31,7 @@ /* worker thread events */ enum lpfc_work_type { LPFC_EVT_ONLINE, + LPFC_EVT_OFFLINE_PREP, LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL, @@ -68,7 +69,6 @@ struct lpfc_nodelist { uint16_t nlp_maxframe; /* Max RCV frame size */ uint8_t nlp_class_sup; /* Supported Classes */ uint8_t nlp_retry; /* used for ELS retries */ - uint8_t nlp_disc_refcnt; /* used for DSM */ uint8_t nlp_fcp_info; /* class info, bits 0-3 */ #define NLP_FCP_2_DEVICE 0x10 /* FCP-2 device */ @@ -79,20 +79,10 @@ struct lpfc_nodelist { struct lpfc_work_evt els_retry_evt; unsigned long last_ramp_up_time; /* jiffy of last ramp up */ unsigned long last_q_full_time; /* jiffy of last queue full */ + struct kref kref; }; /* Defines for nlp_flag (uint32) */ -#define NLP_NO_LIST 0x0 /* Indicates immediately free node */ -#define NLP_UNUSED_LIST 0x1 /* Flg to indicate node will be freed */ -#define NLP_PLOGI_LIST 0x2 /* Flg to indicate sent PLOGI */ -#define NLP_ADISC_LIST 0x3 /* Flg to indicate sent ADISC */ -#define NLP_REGLOGIN_LIST 0x4 /* Flg to indicate sent REG_LOGIN */ -#define NLP_PRLI_LIST 0x5 /* Flg to indicate sent PRLI */ -#define NLP_UNMAPPED_LIST 0x6 /* Node is now unmapped */ -#define NLP_MAPPED_LIST 0x7 /* Node is now mapped */ -#define NLP_NPR_LIST 0x8 /* Node is in NPort Recovery state */ -#define NLP_JUST_DQ 0x9 /* just deque ndlp in lpfc_nlp_list */ -#define NLP_LIST_MASK 0xf /* mask to see what list node is on */ #define NLP_PLOGI_SND 0x20 /* sent PLOGI request for this entry */ #define NLP_PRLI_SND 0x40 /* sent PRLI request for this entry */ #define NLP_ADISC_SND 0x80 /* sent ADISC request for this entry */ @@ -108,20 +98,8 @@ struct lpfc_nodelist { ACC */ #define NLP_NPR_ADISC 0x2000000 /* Issue ADISC when dq'ed from NPR list */ -#define NLP_DELAY_REMOVE 0x4000000 /* Defer removal till end of DSM */ #define NLP_NODEV_REMOVE 0x8000000 /* Defer removal till discovery ends */ -/* Defines for list searchs */ -#define NLP_SEARCH_MAPPED 0x1 /* search mapped */ -#define NLP_SEARCH_UNMAPPED 0x2 /* search unmapped */ -#define NLP_SEARCH_PLOGI 0x4 /* search plogi */ -#define NLP_SEARCH_ADISC 0x8 /* search adisc */ -#define NLP_SEARCH_REGLOGIN 0x10 /* search reglogin */ -#define NLP_SEARCH_PRLI 0x20 /* search prli */ -#define NLP_SEARCH_NPR 0x40 /* search npr */ -#define NLP_SEARCH_UNUSED 0x80 /* search mapped */ -#define NLP_SEARCH_ALL 0xff /* search all lists */ - /* There are 4 different double linked lists nodelist entries can reside on. * The Port Login (PLOGI) list and Address Discovery (ADISC) list are used * when Link Up discovery or Registered State Change Notification (RSCN) diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index a5f33a0..638b3cd 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2006 Emulex. All rights reserved. * + * Copyright (C) 2004-2007 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -182,6 +182,7 @@ lpfc_prep_els_iocb(struct lpfc_hba * phba, uint8_t expectRsp, icmd->un.elsreq64.bdl.bdeSize = (2 * sizeof (struct ulp_bde64)); icmd->un.elsreq64.remoteID = did; /* DID */ icmd->ulpCommand = CMD_ELS_REQUEST64_CR; + icmd->ulpTimeout = phba->fc_ratov * 2; } else { icmd->un.elsreq64.bdl.bdeSize = sizeof (struct ulp_bde64); icmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX; @@ -208,9 +209,9 @@ lpfc_prep_els_iocb(struct lpfc_hba * phba, uint8_t expectRsp, } /* Save for completion so we can release these resources */ - elsiocb->context1 = (uint8_t *) ndlp; - elsiocb->context2 = (uint8_t *) pcmd; - elsiocb->context3 = (uint8_t *) pbuflist; + elsiocb->context1 = lpfc_nlp_get(ndlp); + elsiocb->context2 = pcmd; + elsiocb->context3 = pbuflist; elsiocb->retry = retry; elsiocb->drvrTimeout = (phba->fc_ratov << 1) + LPFC_DRVR_TIMEOUT; @@ -222,16 +223,16 @@ lpfc_prep_els_iocb(struct lpfc_hba * phba, uint8_t expectRsp, /* Xmit ELS command <elsCmd> to remote NPORT <did> */ lpfc_printf_log(phba, KERN_INFO, LOG_ELS, "%d:0116 Xmit ELS command x%x to remote " - "NPORT x%x Data: x%x x%x\n", + "NPORT x%x I/O tag: x%x, HBA state: x%x\n", phba->brd_no, elscmd, - did, icmd->ulpIoTag, phba->hba_state); + did, elsiocb->iotag, phba->hba_state); } else { /* Xmit ELS response <elsCmd> to remote NPORT <did> */ lpfc_printf_log(phba, KERN_INFO, LOG_ELS, "%d:0117 Xmit ELS response x%x to remote " - "NPORT x%x Data: x%x x%x\n", + "NPORT x%x I/O tag: x%x, size: x%x\n", phba->brd_no, elscmd, - ndlp->nlp_DID, icmd->ulpIoTag, cmdSize); + ndlp->nlp_DID, elsiocb->iotag, cmdSize); } return elsiocb; @@ -304,7 +305,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, goto fail_free_mbox; mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login; - mbox->context2 = ndlp; + mbox->context2 = lpfc_nlp_get(ndlp); rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); if (rc == MBX_NOT_FINISHED) @@ -313,6 +314,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, return 0; fail_issue_reg_login: + lpfc_nlp_put(ndlp); mp = (struct lpfc_dmabuf *) mbox->context1; lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); @@ -368,9 +370,9 @@ lpfc_cmpl_els_flogi_nport(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, mempool_free(mbox, phba->mbox_mem_pool); goto fail; } - mempool_free(ndlp, phba->nlp_mem_pool); + lpfc_nlp_put(ndlp); - ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, PT2PT_RemoteID); + ndlp = lpfc_findnode_did(phba, PT2PT_RemoteID); if (!ndlp) { /* * Cannot find existing Fabric ndlp, so allocate a @@ -387,12 +389,11 @@ lpfc_cmpl_els_flogi_nport(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, sizeof(struct lpfc_name)); memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof(struct lpfc_name)); - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); ndlp->nlp_flag |= NLP_NPR_2B_DISC; } else { /* This side will wait for the PLOGI */ - mempool_free( ndlp, phba->nlp_mem_pool); + lpfc_nlp_put(ndlp); } spin_lock_irq(phba->host->host_lock); @@ -407,8 +408,8 @@ lpfc_cmpl_els_flogi_nport(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, } static void -lpfc_cmpl_els_flogi(struct lpfc_hba * phba, - struct lpfc_iocbq * cmdiocb, struct lpfc_iocbq * rspiocb) +lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb) { IOCB_t *irsp = &rspiocb->iocb; struct lpfc_nodelist *ndlp = cmdiocb->context1; @@ -418,7 +419,7 @@ lpfc_cmpl_els_flogi(struct lpfc_hba * phba, /* Check to see if link went down during discovery */ if (lpfc_els_chk_latt(phba)) { - lpfc_nlp_remove(phba, ndlp); + lpfc_nlp_put(ndlp); goto out; } @@ -433,13 +434,12 @@ lpfc_cmpl_els_flogi(struct lpfc_hba * phba, phba->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); spin_unlock_irq(phba->host->host_lock); - /* If private loop, then allow max outstandting els to be + /* If private loop, then allow max outstanding els to be * LPFC_MAX_DISC_THREADS (32). Scanning in the case of no * alpa map would take too long otherwise. */ if (phba->alpa_map[0] == 0) { - phba->cfg_discovery_threads = - LPFC_MAX_DISC_THREADS; + phba->cfg_discovery_threads = LPFC_MAX_DISC_THREADS; } /* FLOGI failure */ @@ -484,7 +484,7 @@ lpfc_cmpl_els_flogi(struct lpfc_hba * phba, } flogifail: - lpfc_nlp_remove(phba, ndlp); + lpfc_nlp_put(ndlp); if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT || (irsp->un.ulpWord[4] != IOERR_SLI_ABORTED && @@ -582,24 +582,8 @@ lpfc_els_abort_flogi(struct lpfc_hba * phba) icmd = &iocb->iocb; if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR) { ndlp = (struct lpfc_nodelist *)(iocb->context1); - if (ndlp && (ndlp->nlp_DID == Fabric_DID)) { - list_del(&iocb->list); - pring->txcmplq_cnt--; - - if ((icmd->un.elsreq64.bdl.ulpIoTag32)) { - lpfc_sli_issue_abort_iotag32 - (phba, pring, iocb); - } - if (iocb->iocb_cmpl) { - icmd->ulpStatus = IOSTAT_LOCAL_REJECT; - icmd->un.ulpWord[4] = - IOERR_SLI_ABORTED; - spin_unlock_irq(phba->host->host_lock); - (iocb->iocb_cmpl) (phba, iocb, iocb); - spin_lock_irq(phba->host->host_lock); - } else - lpfc_sli_release_iocbq(phba, iocb); - } + if (ndlp && (ndlp->nlp_DID == Fabric_DID)) + lpfc_sli_issue_abort_iotag(phba, pring, iocb); } } spin_unlock_irq(phba->host->host_lock); @@ -608,12 +592,12 @@ lpfc_els_abort_flogi(struct lpfc_hba * phba) } int -lpfc_initial_flogi(struct lpfc_hba * phba) +lpfc_initial_flogi(struct lpfc_hba *phba) { struct lpfc_nodelist *ndlp; /* First look for the Fabric ndlp */ - ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, Fabric_DID); + ndlp = lpfc_findnode_did(phba, Fabric_DID); if (!ndlp) { /* Cannot find existing Fabric ndlp, so allocate a new one */ ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); @@ -621,10 +605,10 @@ lpfc_initial_flogi(struct lpfc_hba * phba) return 0; lpfc_nlp_init(phba, ndlp, Fabric_DID); } else { - lpfc_nlp_list(phba, ndlp, NLP_JUST_DQ); + lpfc_dequeue_node(phba, ndlp); } if (lpfc_issue_els_flogi(phba, ndlp, 0)) { - mempool_free( ndlp, phba->nlp_mem_pool); + lpfc_nlp_put(ndlp); } return 1; } @@ -653,7 +637,7 @@ lpfc_more_plogi(struct lpfc_hba * phba) } static struct lpfc_nodelist * -lpfc_plogi_confirm_nport(struct lpfc_hba * phba, struct lpfc_dmabuf *prsp, +lpfc_plogi_confirm_nport(struct lpfc_hba *phba, struct lpfc_dmabuf *prsp, struct lpfc_nodelist *ndlp) { struct lpfc_nodelist *new_ndlp; @@ -670,12 +654,12 @@ lpfc_plogi_confirm_nport(struct lpfc_hba * phba, struct lpfc_dmabuf *prsp, lp = (uint32_t *) prsp->virt; sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); - memset(name, 0, sizeof (struct lpfc_name)); + memset(name, 0, sizeof(struct lpfc_name)); - /* Now we to find out if the NPort we are logging into, matches the WWPN + /* Now we find out if the NPort we are logging into, matches the WWPN * we have for that ndlp. If not, we have some work to do. */ - new_ndlp = lpfc_findnode_wwpn(phba, NLP_SEARCH_ALL, &sp->portName); + new_ndlp = lpfc_findnode_wwpn(phba, &sp->portName); if (new_ndlp == ndlp) return ndlp; @@ -695,18 +679,15 @@ lpfc_plogi_confirm_nport(struct lpfc_hba * phba, struct lpfc_dmabuf *prsp, lpfc_unreg_rpi(phba, new_ndlp); new_ndlp->nlp_DID = ndlp->nlp_DID; new_ndlp->nlp_prev_state = ndlp->nlp_prev_state; - new_ndlp->nlp_state = ndlp->nlp_state; - lpfc_nlp_list(phba, new_ndlp, ndlp->nlp_flag & NLP_LIST_MASK); + lpfc_nlp_set_state(phba, new_ndlp, ndlp->nlp_state); /* Move this back to NPR list */ - if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - } + if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0) + lpfc_drop_node(phba, ndlp); else { lpfc_unreg_rpi(phba, ndlp); ndlp->nlp_DID = 0; /* Two ndlps cannot have the same did */ - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); } return new_ndlp; } @@ -720,13 +701,11 @@ lpfc_cmpl_els_plogi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, struct lpfc_dmabuf *prsp; int disc, rc, did, type; - /* we pass cmdiocb to state machine which needs rspiocb as well */ cmdiocb->context_un.rsp_iocb = rspiocb; irsp = &rspiocb->iocb; - ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, - irsp->un.elsreq64.remoteID); + ndlp = lpfc_findnode_did(phba, irsp->un.elsreq64.remoteID); if (!ndlp) goto out; @@ -1354,7 +1333,7 @@ lpfc_issue_els_scr(struct lpfc_hba * phba, uint32_t nportid, uint8_t retry) elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, ndlp, ndlp->nlp_DID, ELS_CMD_SCR); if (!elsiocb) { - mempool_free( ndlp, phba->nlp_mem_pool); + lpfc_nlp_put(ndlp); return 1; } @@ -1373,12 +1352,12 @@ lpfc_issue_els_scr(struct lpfc_hba * phba, uint32_t nportid, uint8_t retry) spin_lock_irq(phba->host->host_lock); if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { spin_unlock_irq(phba->host->host_lock); - mempool_free( ndlp, phba->nlp_mem_pool); + lpfc_nlp_put(ndlp); lpfc_els_free_iocb(phba, elsiocb); return 1; } spin_unlock_irq(phba->host->host_lock); - mempool_free( ndlp, phba->nlp_mem_pool); + lpfc_nlp_put(ndlp); return 0; } @@ -1407,7 +1386,7 @@ lpfc_issue_els_farpr(struct lpfc_hba * phba, uint32_t nportid, uint8_t retry) elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, ndlp, ndlp->nlp_DID, ELS_CMD_RNID); if (!elsiocb) { - mempool_free( ndlp, phba->nlp_mem_pool); + lpfc_nlp_put(ndlp); return 1; } @@ -1428,7 +1407,7 @@ lpfc_issue_els_farpr(struct lpfc_hba * phba, uint32_t nportid, uint8_t retry) memcpy(&fp->RportName, &phba->fc_portname, sizeof (struct lpfc_name)); memcpy(&fp->RnodeName, &phba->fc_nodename, sizeof (struct lpfc_name)); - if ((ondlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, nportid))) { + if ((ondlp = lpfc_findnode_did(phba, nportid))) { memcpy(&fp->OportName, &ondlp->nlp_portname, sizeof (struct lpfc_name)); memcpy(&fp->OnodeName, &ondlp->nlp_nodename, @@ -1440,12 +1419,12 @@ lpfc_issue_els_farpr(struct lpfc_hba * phba, uint32_t nportid, uint8_t retry) spin_lock_irq(phba->host->host_lock); if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { spin_unlock_irq(phba->host->host_lock); - mempool_free( ndlp, phba->nlp_mem_pool); + lpfc_nlp_put(ndlp); lpfc_els_free_iocb(phba, elsiocb); return 1; } spin_unlock_irq(phba->host->host_lock); - mempool_free( ndlp, phba->nlp_mem_pool); + lpfc_nlp_put(ndlp); return 0; } @@ -1554,29 +1533,25 @@ lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) case ELS_CMD_PLOGI: if(!lpfc_issue_els_plogi(phba, ndlp->nlp_DID, retry)) { ndlp->nlp_prev_state = ndlp->nlp_state; - ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_PLOGI_ISSUE); } break; case ELS_CMD_ADISC: if (!lpfc_issue_els_adisc(phba, ndlp, retry)) { ndlp->nlp_prev_state = ndlp->nlp_state; - ndlp->nlp_state = NLP_STE_ADISC_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_ADISC_ISSUE); } break; case ELS_CMD_PRLI: if (!lpfc_issue_els_prli(phba, ndlp, retry)) { ndlp->nlp_prev_state = ndlp->nlp_state; - ndlp->nlp_state = NLP_STE_PRLI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_PRLI_ISSUE); } break; case ELS_CMD_LOGO: if (!lpfc_issue_els_logo(phba, ndlp, retry)) { ndlp->nlp_prev_state = ndlp->nlp_state; - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); } break; } @@ -1614,12 +1589,12 @@ lpfc_els_retry(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, cmd = *elscmd++; } - if(ndlp) + if (ndlp) did = ndlp->nlp_DID; else { /* We should only hit this case for retrying PLOGI */ did = irsp->un.elsreq64.remoteID; - ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did); + ndlp = lpfc_findnode_did(phba, did); if (!ndlp && (cmd != ELS_CMD_PLOGI)) return 1; } @@ -1746,8 +1721,7 @@ lpfc_els_retry(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, ndlp->nlp_flag |= NLP_DELAY_TMO; ndlp->nlp_prev_state = ndlp->nlp_state; - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); ndlp->nlp_last_elscmd = cmd; return 1; @@ -1759,27 +1733,24 @@ lpfc_els_retry(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, case ELS_CMD_PLOGI: if (ndlp) { ndlp->nlp_prev_state = ndlp->nlp_state; - ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_nlp_set_state(phba, ndlp, + NLP_STE_PLOGI_ISSUE); } lpfc_issue_els_plogi(phba, did, cmdiocb->retry); return 1; case ELS_CMD_ADISC: ndlp->nlp_prev_state = ndlp->nlp_state; - ndlp->nlp_state = NLP_STE_ADISC_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_ADISC_ISSUE); lpfc_issue_els_adisc(phba, ndlp, cmdiocb->retry); return 1; case ELS_CMD_PRLI: ndlp->nlp_prev_state = ndlp->nlp_state; - ndlp->nlp_state = NLP_STE_PRLI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_PRLI_ISSUE); lpfc_issue_els_prli(phba, ndlp, cmdiocb->retry); return 1; case ELS_CMD_LOGO: ndlp->nlp_prev_state = ndlp->nlp_state; - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); lpfc_issue_els_logo(phba, ndlp, cmdiocb->retry); return 1; } @@ -1796,10 +1767,14 @@ lpfc_els_retry(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, } int -lpfc_els_free_iocb(struct lpfc_hba * phba, struct lpfc_iocbq * elsiocb) +lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) { struct lpfc_dmabuf *buf_ptr, *buf_ptr1; + if (elsiocb->context1) { + lpfc_nlp_put(elsiocb->context1); + elsiocb->context1 = NULL; + } /* context2 = cmd, context2->next = rsp, context3 = bpl */ if (elsiocb->context2) { buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2; @@ -1843,7 +1818,7 @@ lpfc_cmpl_els_logo_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, switch (ndlp->nlp_state) { case NLP_STE_UNUSED_NODE: /* node is just allocated */ - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + lpfc_drop_node(phba, ndlp); break; case NLP_STE_NPR_NODE: /* NPort Recovery mode */ lpfc_unreg_rpi(phba, ndlp); @@ -1856,8 +1831,8 @@ lpfc_cmpl_els_logo_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, } static void -lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, - struct lpfc_iocbq * rspiocb) +lpfc_cmpl_els_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb) { IOCB_t *irsp; struct lpfc_nodelist *ndlp; @@ -1872,14 +1847,14 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, /* Check to see if link went down during discovery */ - if ((lpfc_els_chk_latt(phba)) || !ndlp) { + if (lpfc_els_chk_latt(phba) || !ndlp) { if (mbox) { mp = (struct lpfc_dmabuf *) mbox->context1; if (mp) { lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); } - mempool_free( mbox, phba->mbox_mem_pool); + mempool_free(mbox, phba->mbox_mem_pool); } goto out; } @@ -1899,15 +1874,15 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) { lpfc_unreg_rpi(phba, ndlp); mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; - mbox->context2 = ndlp; + mbox->context2 = lpfc_nlp_get(ndlp); ndlp->nlp_prev_state = ndlp->nlp_state; - ndlp->nlp_state = NLP_STE_REG_LOGIN_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_REGLOGIN_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_REG_LOGIN_ISSUE); if (lpfc_sli_issue_mbox(phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)) != MBX_NOT_FINISHED) { goto out; } + lpfc_nlp_put(ndlp); /* NOTE: we should have messages for unsuccessful reglogin */ } else { @@ -1917,7 +1892,7 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || (irsp->un.ulpWord[4] == IOERR_SLI_DOWN)))) { if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + lpfc_drop_node(phba, ndlp); ndlp = NULL; } } @@ -2012,15 +1987,16 @@ lpfc_els_rsp_acc(struct lpfc_hba * phba, uint32_t flag, return 1; } - if (newnode) + if (newnode) { + lpfc_nlp_put(ndlp); elsiocb->context1 = NULL; + } /* Xmit ELS ACC response tag <ulpIoTag> */ lpfc_printf_log(phba, KERN_INFO, LOG_ELS, - "%d:0128 Xmit ELS ACC response tag x%x " - "Data: x%x x%x x%x x%x x%x\n", - phba->brd_no, - elsiocb->iocb.ulpIoTag, + "%d:0128 Xmit ELS ACC response tag x%x, XRI: x%x, " + "DID: x%x, nlp_flag: x%x nlp_state: x%x RPI: x%x\n", + phba->brd_no, elsiocb->iotag, elsiocb->iocb.ulpContext, ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); @@ -2077,10 +2053,9 @@ lpfc_els_rsp_reject(struct lpfc_hba * phba, uint32_t rejectError, /* Xmit ELS RJT <err> response tag <ulpIoTag> */ lpfc_printf_log(phba, KERN_INFO, LOG_ELS, - "%d:0129 Xmit ELS RJT x%x response tag x%x " - "Data: x%x x%x x%x x%x x%x\n", - phba->brd_no, - rejectError, elsiocb->iocb.ulpIoTag, + "%d:0129 Xmit ELS RJT x%x response tag x%x xri x%x, " + "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", + phba->brd_no, rejectError, elsiocb->iotag, elsiocb->iocb.ulpContext, ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); @@ -2119,18 +2094,18 @@ lpfc_els_rsp_adisc_acc(struct lpfc_hba * phba, if (!elsiocb) return 1; + icmd = &elsiocb->iocb; + oldcmd = &oldiocb->iocb; + icmd->ulpContext = oldcmd->ulpContext; /* Xri */ + /* Xmit ADISC ACC response tag <ulpIoTag> */ lpfc_printf_log(phba, KERN_INFO, LOG_ELS, - "%d:0130 Xmit ADISC ACC response tag x%x " - "Data: x%x x%x x%x x%x x%x\n", - phba->brd_no, - elsiocb->iocb.ulpIoTag, + "%d:0130 Xmit ADISC ACC response iotag x%x xri: " + "x%x, did x%x, nlp_flag x%x, nlp_state x%x rpi x%x\n", + phba->brd_no, elsiocb->iotag, elsiocb->iocb.ulpContext, ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); - icmd = &elsiocb->iocb; - oldcmd = &oldiocb->iocb; - icmd->ulpContext = oldcmd->ulpContext; /* Xri */ pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); *((uint32_t *) (pcmd)) = ELS_CMD_ACC; @@ -2155,8 +2130,8 @@ lpfc_els_rsp_adisc_acc(struct lpfc_hba * phba, } int -lpfc_els_rsp_prli_acc(struct lpfc_hba * phba, - struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp) +lpfc_els_rsp_prli_acc(struct lpfc_hba *phba, struct lpfc_iocbq *oldiocb, + struct lpfc_nodelist *ndlp) { PRLI *npr; lpfc_vpd_t *vpd; @@ -2178,18 +2153,18 @@ lpfc_els_rsp_prli_acc(struct lpfc_hba * phba, if (!elsiocb) return 1; + icmd = &elsiocb->iocb; + oldcmd = &oldiocb->iocb; + icmd->ulpContext = oldcmd->ulpContext; /* Xri */ + /* Xmit PRLI ACC response tag <ulpIoTag> */ lpfc_printf_log(phba, KERN_INFO, LOG_ELS, - "%d:0131 Xmit PRLI ACC response tag x%x " - "Data: x%x x%x x%x x%x x%x\n", - phba->brd_no, - elsiocb->iocb.ulpIoTag, + "%d:0131 Xmit PRLI ACC response tag x%x xri x%x, " + "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", + phba->brd_no, elsiocb->iotag, elsiocb->iocb.ulpContext, ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); - icmd = &elsiocb->iocb; - oldcmd = &oldiocb->iocb; - icmd->ulpContext = oldcmd->ulpContext; /* Xri */ pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); *((uint32_t *) (pcmd)) = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK)); @@ -2232,9 +2207,8 @@ lpfc_els_rsp_prli_acc(struct lpfc_hba * phba, } static int -lpfc_els_rsp_rnid_acc(struct lpfc_hba * phba, - uint8_t format, - struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp) +lpfc_els_rsp_rnid_acc(struct lpfc_hba *phba, uint8_t format, + struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) { RNID *rn; IOCB_t *icmd; @@ -2259,17 +2233,17 @@ lpfc_els_rsp_rnid_acc(struct lpfc_hba * phba, if (!elsiocb) return 1; + icmd = &elsiocb->iocb; + oldcmd = &oldiocb->iocb; + icmd->ulpContext = oldcmd->ulpContext; /* Xri */ + /* Xmit RNID ACC response tag <ulpIoTag> */ lpfc_printf_log(phba, KERN_INFO, LOG_ELS, "%d:0132 Xmit RNID ACC response tag x%x " - "Data: x%x\n", - phba->brd_no, - elsiocb->iocb.ulpIoTag, + "xri x%x\n", + phba->brd_no, elsiocb->iotag, elsiocb->iocb.ulpContext); - icmd = &elsiocb->iocb; - oldcmd = &oldiocb->iocb; - icmd->ulpContext = oldcmd->ulpContext; /* Xri */ pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); *((uint32_t *) (pcmd)) = ELS_CMD_ACC; @@ -2301,6 +2275,7 @@ lpfc_els_rsp_rnid_acc(struct lpfc_hba * phba, phba->fc_stat.elsXmitACC++; elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; + lpfc_nlp_put(ndlp); elsiocb->context1 = NULL; /* Don't need ndlp for cmpl, * it could be freed */ @@ -2315,32 +2290,31 @@ lpfc_els_rsp_rnid_acc(struct lpfc_hba * phba, } int -lpfc_els_disc_adisc(struct lpfc_hba * phba) +lpfc_els_disc_adisc(struct lpfc_hba *phba) { int sentadisc; struct lpfc_nodelist *ndlp, *next_ndlp; sentadisc = 0; - /* go thru NPR list and issue any remaining ELS ADISCs */ - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, - nlp_listp) { - if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { - if (ndlp->nlp_flag & NLP_NPR_ADISC) { - ndlp->nlp_flag &= ~NLP_NPR_ADISC; - ndlp->nlp_prev_state = ndlp->nlp_state; - ndlp->nlp_state = NLP_STE_ADISC_ISSUE; - lpfc_nlp_list(phba, ndlp, - NLP_ADISC_LIST); - lpfc_issue_els_adisc(phba, ndlp, 0); - sentadisc++; - phba->num_disc_nodes++; - if (phba->num_disc_nodes >= - phba->cfg_discovery_threads) { - spin_lock_irq(phba->host->host_lock); - phba->fc_flag |= FC_NLP_MORE; - spin_unlock_irq(phba->host->host_lock); - break; - } + /* go thru NPR nodes and issue any remaining ELS ADISCs */ + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, nlp_listp) { + if (ndlp->nlp_state == NLP_STE_NPR_NODE && + (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && + (ndlp->nlp_flag & NLP_NPR_ADISC) != 0) { + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_ADISC; + spin_unlock_irq(phba->host->host_lock); + ndlp->nlp_prev_state = ndlp->nlp_state; + lpfc_nlp_set_state(phba, ndlp, NLP_STE_ADISC_ISSUE); + lpfc_issue_els_adisc(phba, ndlp, 0); + sentadisc++; + phba->num_disc_nodes++; + if (phba->num_disc_nodes >= + phba->cfg_discovery_threads) { + spin_lock_irq(phba->host->host_lock); + phba->fc_flag |= FC_NLP_MORE; + spin_unlock_irq(phba->host->host_lock); + break; } } } @@ -2360,24 +2334,22 @@ lpfc_els_disc_plogi(struct lpfc_hba * phba) sentplogi = 0; /* go thru NPR list and issue any remaining ELS PLOGIs */ - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, - nlp_listp) { - if ((ndlp->nlp_flag & NLP_NPR_2B_DISC) && - (!(ndlp->nlp_flag & NLP_DELAY_TMO))) { - if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { - ndlp->nlp_prev_state = ndlp->nlp_state; - ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); - lpfc_issue_els_plogi(phba, ndlp->nlp_DID, 0); - sentplogi++; - phba->num_disc_nodes++; - if (phba->num_disc_nodes >= - phba->cfg_discovery_threads) { - spin_lock_irq(phba->host->host_lock); - phba->fc_flag |= FC_NLP_MORE; - spin_unlock_irq(phba->host->host_lock); - break; - } + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, nlp_listp) { + if (ndlp->nlp_state == NLP_STE_NPR_NODE && + (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && + (ndlp->nlp_flag & NLP_DELAY_TMO) == 0 && + (ndlp->nlp_flag & NLP_NPR_ADISC) == 0) { + ndlp->nlp_prev_state = ndlp->nlp_state; + lpfc_nlp_set_state(phba, ndlp, NLP_STE_PLOGI_ISSUE); + lpfc_issue_els_plogi(phba, ndlp->nlp_DID, 0); + sentplogi++; + phba->num_disc_nodes++; + if (phba->num_disc_nodes >= + phba->cfg_discovery_threads) { + spin_lock_irq(phba->host->host_lock); + phba->fc_flag |= FC_NLP_MORE; + spin_unlock_irq(phba->host->host_lock); + break; } } } @@ -2479,42 +2451,30 @@ lpfc_rscn_payload_check(struct lpfc_hba * phba, uint32_t did) } static int -lpfc_rscn_recovery_check(struct lpfc_hba * phba) +lpfc_rscn_recovery_check(struct lpfc_hba *phba) { - struct lpfc_nodelist *ndlp = NULL, *next_ndlp; - struct list_head *listp; - struct list_head *node_list[7]; - int i; + struct lpfc_nodelist *ndlp = NULL; /* Look at all nodes effected by pending RSCNs and move - * them to NPR list. + * them to NPR state. */ - node_list[0] = &phba->fc_npr_list; /* MUST do this list first */ - node_list[1] = &phba->fc_nlpmap_list; - node_list[2] = &phba->fc_nlpunmap_list; - node_list[3] = &phba->fc_prli_list; - node_list[4] = &phba->fc_reglogin_list; - node_list[5] = &phba->fc_adisc_list; - node_list[6] = &phba->fc_plogi_list; - for (i = 0; i < 7; i++) { - listp = node_list[i]; - if (list_empty(listp)) - continue; - list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) { - if (!(lpfc_rscn_payload_check(phba, ndlp->nlp_DID))) - continue; + list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) { + if (ndlp->nlp_state == NLP_STE_UNUSED_NODE || + lpfc_rscn_payload_check(phba, ndlp->nlp_DID) == 0) + continue; - lpfc_disc_state_machine(phba, ndlp, NULL, + lpfc_disc_state_machine(phba, ndlp, NULL, NLP_EVT_DEVICE_RECOVERY); - /* Make sure NLP_DELAY_TMO is NOT running - * after a device recovery event. - */ - if (ndlp->nlp_flag & NLP_DELAY_TMO) - lpfc_cancel_retry_delay_tmo(phba, ndlp); - } + /* + * Make sure NLP_DELAY_TMO is NOT running after a device + * recovery event. + */ + if (ndlp->nlp_flag & NLP_DELAY_TMO) + lpfc_cancel_retry_delay_tmo(phba, ndlp); } + return 0; } @@ -2639,8 +2599,8 @@ lpfc_els_handle_rscn(struct lpfc_hba * phba) /* To process RSCN, first compare RSCN data with NameServer */ phba->fc_ns_retry = 0; - ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED, NameServer_DID); - if (ndlp) { + ndlp = lpfc_findnode_did(phba, NameServer_DID); + if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { /* Good ndlp, issue CT Request to NameServer */ if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT) == 0) { /* Wait for NameServer query cmpl before we can @@ -2650,7 +2610,7 @@ lpfc_els_handle_rscn(struct lpfc_hba * phba) } else { /* If login to NameServer does not exist, issue one */ /* Good status, issue PLOGI to NameServer */ - ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID); + ndlp = lpfc_findnode_did(phba, NameServer_DID); if (ndlp) { /* Wait for NameServer login cmpl before we can continue */ @@ -2664,8 +2624,7 @@ lpfc_els_handle_rscn(struct lpfc_hba * phba) lpfc_nlp_init(phba, ndlp, NameServer_DID); ndlp->nlp_type |= NLP_FABRIC; ndlp->nlp_prev_state = ndlp->nlp_state; - ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_PLOGI_ISSUE); lpfc_issue_els_plogi(phba, NameServer_DID, 0); /* Wait for NameServer login cmpl before we can continue */ @@ -2734,8 +2693,9 @@ lpfc_els_rcv_flogi(struct lpfc_hba * phba, mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; rc = lpfc_sli_issue_mbox (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); + lpfc_set_loopback_flag(phba); if (rc == MBX_NOT_FINISHED) { - mempool_free( mbox, phba->mbox_mem_pool); + mempool_free(mbox, phba->mbox_mem_pool); } return 1; } else if (rc > 0) { /* greater than */ @@ -2800,8 +2760,8 @@ lpfc_els_rcv_rnid(struct lpfc_hba * phba, } static int -lpfc_els_rcv_lirr(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, - struct lpfc_nodelist * ndlp) +lpfc_els_rcv_lirr(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_nodelist *ndlp) { struct ls_rjt stat; @@ -2815,7 +2775,7 @@ lpfc_els_rcv_lirr(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, } static void -lpfc_els_rsp_rps_acc(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { struct lpfc_sli *psli; struct lpfc_sli_ring *pring; @@ -2838,14 +2798,15 @@ lpfc_els_rsp_rps_acc(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) pmb->context2 = NULL; if (mb->mbxStatus) { - mempool_free( pmb, phba->mbox_mem_pool); + mempool_free(pmb, phba->mbox_mem_pool); return; } cmdsize = sizeof(RPS_RSP) + sizeof(uint32_t); - mempool_free( pmb, phba->mbox_mem_pool); + mempool_free(pmb, phba->mbox_mem_pool); elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, lpfc_max_els_tries, ndlp, ndlp->nlp_DID, ELS_CMD_ACC); + lpfc_nlp_put(ndlp); if (!elsiocb) return; @@ -2875,15 +2836,15 @@ lpfc_els_rsp_rps_acc(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) /* Xmit ELS RPS ACC response tag <ulpIoTag> */ lpfc_printf_log(phba, KERN_INFO, LOG_ELS, - "%d:0118 Xmit ELS RPS ACC response tag x%x " - "Data: x%x x%x x%x x%x x%x\n", - phba->brd_no, - elsiocb->iocb.ulpIoTag, + "%d:0118 Xmit ELS RPS ACC response tag x%x xri x%x, " + "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", + phba->brd_no, elsiocb->iotag, elsiocb->iocb.ulpContext, ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; phba->fc_stat.elsXmitACC++; + if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { lpfc_els_free_iocb(phba, elsiocb); } @@ -2923,13 +2884,14 @@ lpfc_els_rcv_rps(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, lpfc_read_lnk_stat(phba, mbox); mbox->context1 = (void *)((unsigned long)cmdiocb->iocb.ulpContext); - mbox->context2 = ndlp; + mbox->context2 = lpfc_nlp_get(ndlp); mbox->mbox_cmpl = lpfc_els_rsp_rps_acc; if (lpfc_sli_issue_mbox (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)) != MBX_NOT_FINISHED) { /* Mbox completion will send ELS Response */ return 0; } + lpfc_nlp_put(ndlp); mempool_free(mbox, phba->mbox_mem_pool); } } @@ -2984,10 +2946,9 @@ lpfc_els_rsp_rpl_acc(struct lpfc_hba * phba, uint16_t cmdsize, /* Xmit ELS RPL ACC response tag <ulpIoTag> */ lpfc_printf_log(phba, KERN_INFO, LOG_ELS, - "%d:0120 Xmit ELS RPL ACC response tag x%x " - "Data: x%x x%x x%x x%x x%x\n", - phba->brd_no, - elsiocb->iocb.ulpIoTag, + "%d:0120 Xmit ELS RPL ACC response tag x%x xri x%x, " + "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", + phba->brd_no, elsiocb->iotag, elsiocb->iocb.ulpContext, ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); @@ -3091,8 +3052,8 @@ lpfc_els_rcv_farp(struct lpfc_hba * phba, /* Log back into the node before sending the FARP. */ if (fp->Rflags & FARP_REQUEST_PLOGI) { ndlp->nlp_prev_state = ndlp->nlp_state; - ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_nlp_set_state(phba, ndlp, + NLP_STE_PLOGI_ISSUE); lpfc_issue_els_plogi(phba, ndlp->nlp_DID, 0); } @@ -3169,14 +3130,15 @@ lpfc_els_rcv_fan(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, */ list_for_each_entry_safe(ndlp, next_ndlp, - &phba->fc_npr_list, nlp_listp) { - + &phba->fc_nodes, nlp_listp) { + if (ndlp->nlp_state != NLP_STE_NPR_NODE) + continue; if (ndlp->nlp_type & NLP_FABRIC) { /* * Clean up old Fabric, Nameserver and * other NLP_FABRIC logins */ - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + lpfc_drop_node(phba, ndlp); } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { /* Fail outstanding I/O now since this * device is marked for PLOGI @@ -3193,20 +3155,22 @@ lpfc_els_rcv_fan(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, /* Discovery not needed, * move the nodes to their original state. */ - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, - nlp_listp) { + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, + nlp_listp) { + if (ndlp->nlp_state != NLP_STE_NPR_NODE) + continue; switch (ndlp->nlp_prev_state) { case NLP_STE_UNMAPPED_NODE: ndlp->nlp_prev_state = NLP_STE_NPR_NODE; - ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); + lpfc_nlp_set_state(phba, ndlp, + NLP_STE_UNMAPPED_NODE); break; case NLP_STE_MAPPED_NODE: ndlp->nlp_prev_state = NLP_STE_NPR_NODE; - ndlp->nlp_state = NLP_STE_MAPPED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST); + lpfc_nlp_set_state(phba, ndlp, + NLP_STE_MAPPED_NODE); break; default: @@ -3246,9 +3210,8 @@ lpfc_els_timeout_handler(struct lpfc_hba *phba) struct lpfc_iocbq *tmp_iocb, *piocb; IOCB_t *cmd = NULL; struct lpfc_dmabuf *pcmd; - struct list_head *dlp; uint32_t *elscmd; - uint32_t els_command; + uint32_t els_command=0; uint32_t timeout; uint32_t remote_ID; @@ -3263,17 +3226,20 @@ lpfc_els_timeout_handler(struct lpfc_hba *phba) timeout = (uint32_t)(phba->fc_ratov << 1); pring = &phba->sli.ring[LPFC_ELS_RING]; - dlp = &pring->txcmplq; list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { cmd = &piocb->iocb; - if (piocb->iocb_flag & LPFC_IO_LIBDFC) { + if ((piocb->iocb_flag & LPFC_IO_LIBDFC) || + (piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN) || + (piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN)) { continue; } pcmd = (struct lpfc_dmabuf *) piocb->context2; - elscmd = (uint32_t *) (pcmd->virt); - els_command = *elscmd; + if (pcmd) { + elscmd = (uint32_t *) (pcmd->virt); + els_command = *elscmd; + } if ((els_command == ELS_CMD_FARP) || (els_command == ELS_CMD_FARPR)) { @@ -3289,19 +3255,10 @@ lpfc_els_timeout_handler(struct lpfc_hba *phba) continue; } - list_del(&piocb->list); - pring->txcmplq_cnt--; - if (cmd->ulpCommand == CMD_GEN_REQUEST64_CR) { struct lpfc_nodelist *ndlp; - spin_unlock_irq(phba->host->host_lock); - ndlp = lpfc_findnode_rpi(phba, cmd->ulpContext); - spin_lock_irq(phba->host->host_lock); + ndlp = __lpfc_findnode_rpi(phba, cmd->ulpContext); remote_ID = ndlp->nlp_DID; - if (cmd->un.elsreq64.bdl.ulpIoTag32) { - lpfc_sli_issue_abort_iotag32(phba, - pring, piocb); - } } else { remote_ID = cmd->un.elsreq64.remoteID; } @@ -3313,17 +3270,7 @@ lpfc_els_timeout_handler(struct lpfc_hba *phba) phba->brd_no, els_command, remote_ID, cmd->ulpCommand, cmd->ulpIoTag); - /* - * The iocb has timed out; abort it. - */ - if (piocb->iocb_cmpl) { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - spin_unlock_irq(phba->host->host_lock); - (piocb->iocb_cmpl) (phba, piocb, piocb); - spin_lock_irq(phba->host->host_lock); - } else - lpfc_sli_release_iocbq(phba, piocb); + lpfc_sli_issue_abort_iotag(phba, pring, piocb); } if (phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt) mod_timer(&phba->els_tmofunc, jiffies + HZ * timeout); @@ -3332,16 +3279,13 @@ lpfc_els_timeout_handler(struct lpfc_hba *phba) } void -lpfc_els_flush_cmd(struct lpfc_hba * phba) +lpfc_els_flush_cmd(struct lpfc_hba *phba) { - struct lpfc_sli_ring *pring; + LIST_HEAD(completions); + struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; struct lpfc_iocbq *tmp_iocb, *piocb; IOCB_t *cmd = NULL; - struct lpfc_dmabuf *pcmd; - uint32_t *elscmd; - uint32_t els_command; - pring = &phba->sli.ring[LPFC_ELS_RING]; spin_lock_irq(phba->host->host_lock); list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { cmd = &piocb->iocb; @@ -3351,29 +3295,15 @@ lpfc_els_flush_cmd(struct lpfc_hba * phba) } /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */ - if ((cmd->ulpCommand == CMD_QUE_RING_BUF_CN) || - (cmd->ulpCommand == CMD_QUE_RING_BUF64_CN) || - (cmd->ulpCommand == CMD_CLOSE_XRI_CN) || - (cmd->ulpCommand == CMD_ABORT_XRI_CN)) { + if (cmd->ulpCommand == CMD_QUE_RING_BUF_CN || + cmd->ulpCommand == CMD_QUE_RING_BUF64_CN || + cmd->ulpCommand == CMD_CLOSE_XRI_CN || + cmd->ulpCommand == CMD_ABORT_XRI_CN) continue; - } - pcmd = (struct lpfc_dmabuf *) piocb->context2; - elscmd = (uint32_t *) (pcmd->virt); - els_command = *elscmd; + list_move_tail(&piocb->list, &completions); + pring->txq_cnt--; - list_del(&piocb->list); - pring->txcmplq_cnt--; - - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - - if (piocb->iocb_cmpl) { - spin_unlock_irq(phba->host->host_lock); - (piocb->iocb_cmpl) (phba, piocb, piocb); - spin_lock_irq(phba->host->host_lock); - } else - lpfc_sli_release_iocbq(phba, piocb); } list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { @@ -3382,24 +3312,24 @@ lpfc_els_flush_cmd(struct lpfc_hba * phba) if (piocb->iocb_flag & LPFC_IO_LIBDFC) { continue; } - pcmd = (struct lpfc_dmabuf *) piocb->context2; - elscmd = (uint32_t *) (pcmd->virt); - els_command = *elscmd; - list_del(&piocb->list); - pring->txcmplq_cnt--; + lpfc_sli_issue_abort_iotag(phba, pring, piocb); + } + spin_unlock_irq(phba->host->host_lock); - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; + while(!list_empty(&completions)) { + piocb = list_get_first(&completions, struct lpfc_iocbq, list); + cmd = &piocb->iocb; + list_del(&piocb->list); if (piocb->iocb_cmpl) { - spin_unlock_irq(phba->host->host_lock); + cmd->ulpStatus = IOSTAT_LOCAL_REJECT; + cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; (piocb->iocb_cmpl) (phba, piocb, piocb); - spin_lock_irq(phba->host->host_lock); } else lpfc_sli_release_iocbq(phba, piocb); } - spin_unlock_irq(phba->host->host_lock); + return; } @@ -3468,7 +3398,7 @@ lpfc_els_unsol_event(struct lpfc_hba * phba, } did = icmd->un.rcvels.remoteID; - ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did); + ndlp = lpfc_findnode_did(phba, did); if (!ndlp) { /* Cannot find existing Fabric ndlp, so allocate a new one */ ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); @@ -3484,12 +3414,13 @@ lpfc_els_unsol_event(struct lpfc_hba * phba, if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) { ndlp->nlp_type |= NLP_FABRIC; } - ndlp->nlp_state = NLP_STE_UNUSED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_UNUSED_NODE); } phba->fc_stat.elsRcvFrame++; - elsiocb->context1 = ndlp; + if (elsiocb->context1) + lpfc_nlp_put(elsiocb->context1); + elsiocb->context1 = lpfc_nlp_get(ndlp); elsiocb->context2 = mp; if ((cmd & ELS_CMD_MASK) == ELS_CMD_RSCN) { @@ -3513,9 +3444,8 @@ lpfc_els_unsol_event(struct lpfc_hba * phba, case ELS_CMD_FLOGI: phba->fc_stat.elsRcvFLOGI++; lpfc_els_rcv_flogi(phba, elsiocb, ndlp, newnode); - if (newnode) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - } + if (newnode) + lpfc_drop_node(phba, ndlp); break; case ELS_CMD_LOGO: phba->fc_stat.elsRcvLOGO++; @@ -3536,9 +3466,8 @@ lpfc_els_unsol_event(struct lpfc_hba * phba, case ELS_CMD_RSCN: phba->fc_stat.elsRcvRSCN++; lpfc_els_rcv_rscn(phba, elsiocb, ndlp, newnode); - if (newnode) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - } + if (newnode) + lpfc_drop_node(phba, ndlp); break; case ELS_CMD_ADISC: phba->fc_stat.elsRcvADISC++; @@ -3579,30 +3508,26 @@ lpfc_els_unsol_event(struct lpfc_hba * phba, case ELS_CMD_LIRR: phba->fc_stat.elsRcvLIRR++; lpfc_els_rcv_lirr(phba, elsiocb, ndlp); - if (newnode) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - } + if (newnode) + lpfc_drop_node(phba, ndlp); break; case ELS_CMD_RPS: phba->fc_stat.elsRcvRPS++; lpfc_els_rcv_rps(phba, elsiocb, ndlp); - if (newnode) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - } + if (newnode) + lpfc_drop_node(phba, ndlp); break; case ELS_CMD_RPL: phba->fc_stat.elsRcvRPL++; lpfc_els_rcv_rpl(phba, elsiocb, ndlp); - if (newnode) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - } + if (newnode) + lpfc_drop_node(phba, ndlp); break; case ELS_CMD_RNID: phba->fc_stat.elsRcvRNID++; lpfc_els_rcv_rnid(phba, elsiocb, ndlp); - if (newnode) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - } + if (newnode) + lpfc_drop_node(phba, ndlp); break; default: /* Unsupported ELS command, reject */ @@ -3612,9 +3537,8 @@ lpfc_els_unsol_event(struct lpfc_hba * phba, lpfc_printf_log(phba, KERN_ERR, LOG_ELS, "%d:0115 Unknown ELS command x%x received from " "NPORT x%x\n", phba->brd_no, cmd, did); - if (newnode) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - } + if (newnode) + lpfc_drop_node(phba, ndlp); break; } @@ -3627,6 +3551,8 @@ lpfc_els_unsol_event(struct lpfc_hba * phba, lpfc_els_rsp_reject(phba, stat.un.lsRjtError, elsiocb, ndlp); } + lpfc_nlp_put(elsiocb->context1); + elsiocb->context1 = NULL; if (elsiocb->context2) { lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index c39564e..61caa8d 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2006 Emulex. All rights reserved. * + * Copyright (C) 2004-2007 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -109,6 +109,9 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) return; } + if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) + return; + name = (uint8_t *)&ndlp->nlp_portname; phba = ndlp->nlp_phba; @@ -147,11 +150,17 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) ndlp->nlp_state, ndlp->nlp_rpi); } - ndlp->rport = NULL; - rdata->pnode = NULL; - - if (!(phba->fc_flag & FC_UNLOADING)) + if (!(phba->fc_flag & FC_UNLOADING) && + !(ndlp->nlp_flag & NLP_DELAY_TMO) && + !(ndlp->nlp_flag & NLP_NPR_2B_DISC) && + (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)) lpfc_disc_state_machine(phba, ndlp, NULL, NLP_EVT_DEVICE_RM); + else { + rdata->pnode = NULL; + ndlp->rport = NULL; + lpfc_nlp_put(ndlp); + put_device(&rport->dev); + } return; } @@ -182,29 +191,35 @@ lpfc_work_list_done(struct lpfc_hba * phba) *(int *)(evtp->evt_arg1) = 0; complete((struct completion *)(evtp->evt_arg2)); break; - case LPFC_EVT_OFFLINE: + case LPFC_EVT_OFFLINE_PREP: if (phba->hba_state >= LPFC_LINK_DOWN) - lpfc_offline(phba); + lpfc_offline_prep(phba); + *(int *)(evtp->evt_arg1) = 0; + complete((struct completion *)(evtp->evt_arg2)); + break; + case LPFC_EVT_OFFLINE: + lpfc_offline(phba); lpfc_sli_brdrestart(phba); *(int *)(evtp->evt_arg1) = - lpfc_sli_brdready(phba,HS_FFRDY | HS_MBRDY); + lpfc_sli_brdready(phba, HS_FFRDY | HS_MBRDY); + lpfc_unblock_mgmt_io(phba); complete((struct completion *)(evtp->evt_arg2)); break; case LPFC_EVT_WARM_START: - if (phba->hba_state >= LPFC_LINK_DOWN) - lpfc_offline(phba); + lpfc_offline(phba); lpfc_reset_barrier(phba); lpfc_sli_brdreset(phba); lpfc_hba_down_post(phba); *(int *)(evtp->evt_arg1) = lpfc_sli_brdready(phba, HS_MBRDY); + lpfc_unblock_mgmt_io(phba); complete((struct completion *)(evtp->evt_arg2)); break; case LPFC_EVT_KILL: - if (phba->hba_state >= LPFC_LINK_DOWN) - lpfc_offline(phba); + lpfc_offline(phba); *(int *)(evtp->evt_arg1) = (phba->stopped) ? 0 : lpfc_sli_brdkill(phba); + lpfc_unblock_mgmt_io(phba); complete((struct completion *)(evtp->evt_arg2)); break; } @@ -359,13 +374,12 @@ lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2, } int -lpfc_linkdown(struct lpfc_hba * phba) +lpfc_linkdown(struct lpfc_hba *phba) { struct lpfc_sli *psli; struct lpfc_nodelist *ndlp, *next_ndlp; - struct list_head *listp, *node_list[7]; - LPFC_MBOXQ_t *mb; - int rc, i; + LPFC_MBOXQ_t *mb; + int rc; psli = &phba->sli; /* sysfs or selective reset may call this routine to clean up */ @@ -397,31 +411,16 @@ lpfc_linkdown(struct lpfc_hba * phba) /* Cleanup any outstanding ELS commands */ lpfc_els_flush_cmd(phba); - /* Issue a LINK DOWN event to all nodes */ - node_list[0] = &phba->fc_npr_list; /* MUST do this list first */ - node_list[1] = &phba->fc_nlpmap_list; - node_list[2] = &phba->fc_nlpunmap_list; - node_list[3] = &phba->fc_prli_list; - node_list[4] = &phba->fc_reglogin_list; - node_list[5] = &phba->fc_adisc_list; - node_list[6] = &phba->fc_plogi_list; - for (i = 0; i < 7; i++) { - listp = node_list[i]; - if (list_empty(listp)) - continue; - - list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) { - + /* + * Issue a LINK DOWN event to all nodes. + */ + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, nlp_listp) { + /* free any ndlp's on unused list */ + if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) + lpfc_drop_node(phba, ndlp); + else /* otherwise, force node recovery. */ rc = lpfc_disc_state_machine(phba, ndlp, NULL, - NLP_EVT_DEVICE_RECOVERY); - - } - } - - /* free any ndlp's on unused list */ - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, - nlp_listp) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + NLP_EVT_DEVICE_RECOVERY); } /* Setup myDID for link up if we are in pt2pt mode */ @@ -452,11 +451,9 @@ lpfc_linkdown(struct lpfc_hba * phba) } static int -lpfc_linkup(struct lpfc_hba * phba) +lpfc_linkup(struct lpfc_hba *phba) { struct lpfc_nodelist *ndlp, *next_ndlp; - struct list_head *listp, *node_list[7]; - int i; fc_host_post_event(phba->host, fc_get_event_number(), FCH_EVT_LINKUP, 0); @@ -470,29 +467,20 @@ lpfc_linkup(struct lpfc_hba * phba) spin_unlock_irq(phba->host->host_lock); - node_list[0] = &phba->fc_plogi_list; - node_list[1] = &phba->fc_adisc_list; - node_list[2] = &phba->fc_reglogin_list; - node_list[3] = &phba->fc_prli_list; - node_list[4] = &phba->fc_nlpunmap_list; - node_list[5] = &phba->fc_nlpmap_list; - node_list[6] = &phba->fc_npr_list; - for (i = 0; i < 7; i++) { - listp = node_list[i]; - if (list_empty(listp)) - continue; - - list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) { - if (phba->fc_flag & FC_LBIT) { + if (phba->fc_flag & FC_LBIT) { + list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) { + if (ndlp->nlp_state != NLP_STE_UNUSED_NODE) { if (ndlp->nlp_type & NLP_FABRIC) { - /* On Linkup its safe to clean up the + /* + * On Linkup its safe to clean up the * ndlp from Fabric connections. */ - lpfc_nlp_list(phba, ndlp, - NLP_UNUSED_LIST); + lpfc_nlp_set_state(phba, ndlp, + NLP_STE_UNUSED_NODE); } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { - /* Fail outstanding IO now since device - * is marked for PLOGI. + /* + * Fail outstanding IO now since + * device is marked for PLOGI. */ lpfc_unreg_rpi(phba, ndlp); } @@ -501,9 +489,10 @@ lpfc_linkup(struct lpfc_hba * phba) } /* free any ndlp's on unused list */ - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, - nlp_listp) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, + nlp_listp) { + if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) + lpfc_drop_node(phba, ndlp); } return 0; @@ -734,6 +723,9 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) case LA_4GHZ_LINK: phba->fc_linkspeed = LA_4GHZ_LINK; break; + case LA_8GHZ_LINK: + phba->fc_linkspeed = LA_8GHZ_LINK; + break; default: phba->fc_linkspeed = LA_UNKNW_LINK; break; @@ -889,12 +881,21 @@ lpfc_mbx_cmpl_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) if (la->attType == AT_LINK_UP) { phba->fc_stat.LinkUp++; - lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, + if (phba->fc_flag & FC_LOOPBACK_MODE) { + lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, + "%d:1306 Link Up Event in loop back mode " + "x%x received Data: x%x x%x x%x x%x\n", + phba->brd_no, la->eventTag, phba->fc_eventTag, + la->granted_AL_PA, la->UlnkSpeed, + phba->alpa_map[0]); + } else { + lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, "%d:1303 Link Up Event x%x received " "Data: x%x x%x x%x x%x\n", phba->brd_no, la->eventTag, phba->fc_eventTag, la->granted_AL_PA, la->UlnkSpeed, phba->alpa_map[0]); + } lpfc_mbx_process_link_up(phba, la); } else { phba->fc_stat.LinkDown++; @@ -940,6 +941,7 @@ lpfc_mbx_cmpl_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); mempool_free( pmb, phba->mbox_mem_pool); + lpfc_nlp_put(ndlp); return; } @@ -966,11 +968,14 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) ndlp = (struct lpfc_nodelist *) pmb->context2; mp = (struct lpfc_dmabuf *) (pmb->context1); + pmb->context1 = NULL; + pmb->context2 = NULL; + if (mb->mbxStatus) { lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); - mempool_free( pmb, phba->mbox_mem_pool); - mempool_free( ndlp, phba->nlp_mem_pool); + mempool_free(pmb, phba->mbox_mem_pool); + lpfc_nlp_put(ndlp); /* FLOGI failed, so just use loop map to make discovery list */ lpfc_disc_list_loopmap(phba); @@ -980,12 +985,11 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) return; } - pmb->context1 = NULL; - ndlp->nlp_rpi = mb->un.varWords[0]; ndlp->nlp_type |= NLP_FABRIC; - ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_UNMAPPED_NODE); + + lpfc_nlp_put(ndlp); /* Drop the reference from the mbox */ if (phba->hba_state == LPFC_FABRIC_CFG_LINK) { /* This NPort has been assigned an NPort_ID by the fabric as a @@ -996,7 +1000,7 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) */ lpfc_issue_els_scr(phba, SCR_DID, 0); - ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID); + ndlp = lpfc_findnode_did(phba, NameServer_DID); if (!ndlp) { /* Allocate a new node instance. If the pool is empty, * start the discovery process and skip the Nameserver @@ -1008,15 +1012,14 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) lpfc_disc_start(phba); lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); - mempool_free( pmb, phba->mbox_mem_pool); + mempool_free(pmb, phba->mbox_mem_pool); return; } else { lpfc_nlp_init(phba, ndlp, NameServer_DID); ndlp->nlp_type |= NLP_FABRIC; } } - ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_PLOGI_ISSUE); lpfc_issue_els_plogi(phba, NameServer_DID, 0); if (phba->cfg_fdmi_on) { ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool, @@ -1032,7 +1035,7 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); - mempool_free( pmb, phba->mbox_mem_pool); + mempool_free(pmb, phba->mbox_mem_pool); return; } @@ -1057,10 +1060,11 @@ lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) mp = (struct lpfc_dmabuf *) (pmb->context1); if (mb->mbxStatus) { + lpfc_nlp_put(ndlp); lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); - mempool_free( pmb, phba->mbox_mem_pool); - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + mempool_free(pmb, phba->mbox_mem_pool); + lpfc_drop_node(phba, ndlp); /* RegLogin failed, so just use loop map to make discovery list */ @@ -1075,8 +1079,7 @@ lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) ndlp->nlp_rpi = mb->un.varWords[0]; ndlp->nlp_type |= NLP_FABRIC; - ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_UNMAPPED_NODE); if (phba->hba_state < LPFC_HBA_READY) { /* Link up discovery requires Fabrib registration. */ @@ -1093,6 +1096,7 @@ lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) lpfc_disc_start(phba); } + lpfc_nlp_put(ndlp); lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); mempool_free( pmb, phba->mbox_mem_pool); @@ -1101,8 +1105,7 @@ lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } static void -lpfc_register_remote_port(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp) +lpfc_register_remote_port(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) { struct fc_rport *rport; struct lpfc_rport_data *rdata; @@ -1114,8 +1117,19 @@ lpfc_register_remote_port(struct lpfc_hba * phba, rport_ids.port_id = ndlp->nlp_DID; rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; + /* + * We leave our node pointer in rport->dd_data when we unregister a + * FCP target port. But fc_remote_port_add zeros the space to which + * rport->dd_data points. So, if we're reusing a previously + * registered port, drop the reference that we took the last time we + * registered the port. + */ + if (ndlp->rport && ndlp->rport->dd_data && + *(struct lpfc_rport_data **) ndlp->rport->dd_data) { + lpfc_nlp_put(ndlp); + } ndlp->rport = rport = fc_remote_port_add(phba->host, 0, &rport_ids); - if (!rport) { + if (!rport || !get_device(&rport->dev)) { dev_printk(KERN_WARNING, &phba->pcidev->dev, "Warning: fc_remote_port_add failed\n"); return; @@ -1125,7 +1139,7 @@ lpfc_register_remote_port(struct lpfc_hba * phba, rport->maxframe_size = ndlp->nlp_maxframe; rport->supported_classes = ndlp->nlp_class_sup; rdata = rport->dd_data; - rdata->pnode = ndlp; + rdata->pnode = lpfc_nlp_get(ndlp); if (ndlp->nlp_type & NLP_FCP_TARGET) rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; @@ -1145,8 +1159,7 @@ lpfc_register_remote_port(struct lpfc_hba * phba, } static void -lpfc_unregister_remote_port(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp) +lpfc_unregister_remote_port(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) { struct fc_rport *rport = ndlp->rport; struct lpfc_rport_data *rdata = rport->dd_data; @@ -1154,6 +1167,8 @@ lpfc_unregister_remote_port(struct lpfc_hba * phba, if (rport->scsi_target_id == -1) { ndlp->rport = NULL; rdata->pnode = NULL; + lpfc_nlp_put(ndlp); + put_device(&rport->dev); } fc_remote_port_delete(rport); @@ -1161,178 +1176,70 @@ lpfc_unregister_remote_port(struct lpfc_hba * phba, return; } -int -lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list) +static void +lpfc_nlp_counters(struct lpfc_hba *phba, int state, int count) { - enum { none, unmapped, mapped } rport_add = none, rport_del = none; - struct lpfc_sli *psli; - - psli = &phba->sli; - /* Sanity check to ensure we are not moving to / from the same list */ - if ((nlp->nlp_flag & NLP_LIST_MASK) == list) - if (list != NLP_NO_LIST) - return 0; - spin_lock_irq(phba->host->host_lock); - switch (nlp->nlp_flag & NLP_LIST_MASK) { - case NLP_NO_LIST: /* Not on any list */ + switch (state) { + case NLP_STE_UNUSED_NODE: + phba->fc_unused_cnt += count; break; - case NLP_UNUSED_LIST: - phba->fc_unused_cnt--; - list_del(&nlp->nlp_listp); + case NLP_STE_PLOGI_ISSUE: + phba->fc_plogi_cnt += count; break; - case NLP_PLOGI_LIST: - phba->fc_plogi_cnt--; - list_del(&nlp->nlp_listp); + case NLP_STE_ADISC_ISSUE: + phba->fc_adisc_cnt += count; break; - case NLP_ADISC_LIST: - phba->fc_adisc_cnt--; - list_del(&nlp->nlp_listp); + case NLP_STE_REG_LOGIN_ISSUE: + phba->fc_reglogin_cnt += count; break; - case NLP_REGLOGIN_LIST: - phba->fc_reglogin_cnt--; - list_del(&nlp->nlp_listp); + case NLP_STE_PRLI_ISSUE: + phba->fc_prli_cnt += count; break; - case NLP_PRLI_LIST: - phba->fc_prli_cnt--; - list_del(&nlp->nlp_listp); + case NLP_STE_UNMAPPED_NODE: + phba->fc_unmap_cnt += count; break; - case NLP_UNMAPPED_LIST: - phba->fc_unmap_cnt--; - list_del(&nlp->nlp_listp); - nlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; - nlp->nlp_type &= ~NLP_FC_NODE; - phba->nport_event_cnt++; - if (nlp->rport) - rport_del = unmapped; + case NLP_STE_MAPPED_NODE: + phba->fc_map_cnt += count; break; - case NLP_MAPPED_LIST: - phba->fc_map_cnt--; - list_del(&nlp->nlp_listp); - phba->nport_event_cnt++; - if (nlp->rport) - rport_del = mapped; - break; - case NLP_NPR_LIST: - phba->fc_npr_cnt--; - list_del(&nlp->nlp_listp); - /* Stop delay tmo if taking node off NPR list */ - if ((nlp->nlp_flag & NLP_DELAY_TMO) && - (list != NLP_NPR_LIST)) { - spin_unlock_irq(phba->host->host_lock); - lpfc_cancel_retry_delay_tmo(phba, nlp); - spin_lock_irq(phba->host->host_lock); - } + case NLP_STE_NPR_NODE: + phba->fc_npr_cnt += count; break; } + spin_unlock_irq(phba->host->host_lock); +} - nlp->nlp_flag &= ~NLP_LIST_MASK; - - /* Add NPort <did> to <num> list */ - lpfc_printf_log(phba, - KERN_INFO, - LOG_NODE, - "%d:0904 Add NPort x%x to %d list Data: x%x\n", - phba->brd_no, - nlp->nlp_DID, list, nlp->nlp_flag); - - switch (list) { - case NLP_NO_LIST: /* No list, just remove it */ - spin_unlock_irq(phba->host->host_lock); - lpfc_nlp_remove(phba, nlp); - spin_lock_irq(phba->host->host_lock); - /* as node removed - stop further transport calls */ - rport_del = none; - break; - case NLP_UNUSED_LIST: - nlp->nlp_flag |= list; - /* Put it at the end of the unused list */ - list_add_tail(&nlp->nlp_listp, &phba->fc_unused_list); - phba->fc_unused_cnt++; - break; - case NLP_PLOGI_LIST: - nlp->nlp_flag |= list; - /* Put it at the end of the plogi list */ - list_add_tail(&nlp->nlp_listp, &phba->fc_plogi_list); - phba->fc_plogi_cnt++; - break; - case NLP_ADISC_LIST: - nlp->nlp_flag |= list; - /* Put it at the end of the adisc list */ - list_add_tail(&nlp->nlp_listp, &phba->fc_adisc_list); - phba->fc_adisc_cnt++; - break; - case NLP_REGLOGIN_LIST: - nlp->nlp_flag |= list; - /* Put it at the end of the reglogin list */ - list_add_tail(&nlp->nlp_listp, &phba->fc_reglogin_list); - phba->fc_reglogin_cnt++; - break; - case NLP_PRLI_LIST: - nlp->nlp_flag |= list; - /* Put it at the end of the prli list */ - list_add_tail(&nlp->nlp_listp, &phba->fc_prli_list); - phba->fc_prli_cnt++; - break; - case NLP_UNMAPPED_LIST: - rport_add = unmapped; - /* ensure all vestiges of "mapped" significance are gone */ - nlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); - nlp->nlp_flag |= list; - /* Put it at the end of the unmap list */ - list_add_tail(&nlp->nlp_listp, &phba->fc_nlpunmap_list); - phba->fc_unmap_cnt++; - phba->nport_event_cnt++; - nlp->nlp_flag &= ~NLP_NODEV_REMOVE; - nlp->nlp_type |= NLP_FC_NODE; - break; - case NLP_MAPPED_LIST: - rport_add = mapped; - nlp->nlp_flag |= list; - /* Put it at the end of the map list */ - list_add_tail(&nlp->nlp_listp, &phba->fc_nlpmap_list); - phba->fc_map_cnt++; +static void +lpfc_nlp_state_cleanup(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, + int old_state, int new_state) +{ + if (new_state == NLP_STE_UNMAPPED_NODE) { + ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); + ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; + ndlp->nlp_type |= NLP_FC_NODE; + } + if (new_state == NLP_STE_MAPPED_NODE) + ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; + if (new_state == NLP_STE_NPR_NODE) + ndlp->nlp_flag &= ~NLP_RCV_PLOGI; + + /* Transport interface */ + if (ndlp->rport && (old_state == NLP_STE_MAPPED_NODE || + old_state == NLP_STE_UNMAPPED_NODE)) { phba->nport_event_cnt++; - nlp->nlp_flag &= ~NLP_NODEV_REMOVE; - break; - case NLP_NPR_LIST: - nlp->nlp_flag |= list; - /* Put it at the end of the npr list */ - list_add_tail(&nlp->nlp_listp, &phba->fc_npr_list); - phba->fc_npr_cnt++; - - nlp->nlp_flag &= ~NLP_RCV_PLOGI; - break; - case NLP_JUST_DQ: - break; + lpfc_unregister_remote_port(phba, ndlp); } - spin_unlock_irq(phba->host->host_lock); - - /* - * We make all the calls into the transport after we have - * moved the node between lists. This so that we don't - * release the lock while in-between lists. - */ - - /* Don't upcall midlayer if we're unloading */ - if (!(phba->fc_flag & FC_UNLOADING)) { - /* - * We revalidate the rport pointer as the "add" function - * may have removed the remote port. - */ - if ((rport_del != none) && nlp->rport) - lpfc_unregister_remote_port(phba, nlp); - - if (rport_add != none) { + if (new_state == NLP_STE_MAPPED_NODE || + new_state == NLP_STE_UNMAPPED_NODE) { + phba->nport_event_cnt++; /* * Tell the fc transport about the port, if we haven't * already. If we have, and it's a scsi entity, be * sure to unblock any attached scsi devices */ - if ((!nlp->rport) || (nlp->rport->port_state == - FC_PORTSTATE_BLOCKED)) - lpfc_register_remote_port(phba, nlp); + lpfc_register_remote_port(phba, ndlp); + } /* * if we added to Mapped list, but the remote port @@ -1340,19 +1247,95 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list) * our presentable range - move the node to the * Unmapped List */ - if ((rport_add == mapped) && - ((!nlp->rport) || - (nlp->rport->scsi_target_id == -1) || - (nlp->rport->scsi_target_id >= LPFC_MAX_TARGET))) { - nlp->nlp_state = NLP_STE_UNMAPPED_NODE; - spin_lock_irq(phba->host->host_lock); - nlp->nlp_flag |= NLP_TGT_NO_SCSIID; - spin_unlock_irq(phba->host->host_lock); - lpfc_nlp_list(phba, nlp, NLP_UNMAPPED_LIST); - } - } + if (new_state == NLP_STE_MAPPED_NODE && + (!ndlp->rport || + ndlp->rport->scsi_target_id == -1 || + ndlp->rport->scsi_target_id >= LPFC_MAX_TARGET)) { + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_TGT_NO_SCSIID; + spin_unlock_irq(phba->host->host_lock); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_UNMAPPED_NODE); } - return 0; +} + +static char * +lpfc_nlp_state_name(char *buffer, size_t size, int state) +{ + static char *states[] = { + [NLP_STE_UNUSED_NODE] = "UNUSED", + [NLP_STE_PLOGI_ISSUE] = "PLOGI", + [NLP_STE_ADISC_ISSUE] = "ADISC", + [NLP_STE_REG_LOGIN_ISSUE] = "REGLOGIN", + [NLP_STE_PRLI_ISSUE] = "PRLI", + [NLP_STE_UNMAPPED_NODE] = "UNMAPPED", + [NLP_STE_MAPPED_NODE] = "MAPPED", + [NLP_STE_NPR_NODE] = "NPR", + }; + + if (state < ARRAY_SIZE(states) && states[state]) + strlcpy(buffer, states[state], size); + else + snprintf(buffer, size, "unknown (%d)", state); + return buffer; +} + +void +lpfc_nlp_set_state(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, int state) +{ + int old_state = ndlp->nlp_state; + char name1[16], name2[16]; + + lpfc_printf_log(phba, KERN_INFO, LOG_NODE, + "%d:0904 NPort state transition x%06x, %s -> %s\n", + phba->brd_no, + ndlp->nlp_DID, + lpfc_nlp_state_name(name1, sizeof(name1), old_state), + lpfc_nlp_state_name(name2, sizeof(name2), state)); + if (old_state == NLP_STE_NPR_NODE && + (ndlp->nlp_flag & NLP_DELAY_TMO) != 0 && + state != NLP_STE_NPR_NODE) + lpfc_cancel_retry_delay_tmo(phba, ndlp); + if (old_state == NLP_STE_UNMAPPED_NODE) { + ndlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; + ndlp->nlp_type &= ~NLP_FC_NODE; + } + + if (list_empty(&ndlp->nlp_listp)) { + spin_lock_irq(phba->host->host_lock); + list_add_tail(&ndlp->nlp_listp, &phba->fc_nodes); + spin_unlock_irq(phba->host->host_lock); + } else if (old_state) + lpfc_nlp_counters(phba, old_state, -1); + + ndlp->nlp_state = state; + lpfc_nlp_counters(phba, state, 1); + lpfc_nlp_state_cleanup(phba, ndlp, old_state, state); +} + +void +lpfc_dequeue_node(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) +{ + if ((ndlp->nlp_flag & NLP_DELAY_TMO) != 0) + lpfc_cancel_retry_delay_tmo(phba, ndlp); + if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) + lpfc_nlp_counters(phba, ndlp->nlp_state, -1); + spin_lock_irq(phba->host->host_lock); + list_del_init(&ndlp->nlp_listp); + spin_unlock_irq(phba->host->host_lock); + lpfc_nlp_state_cleanup(phba, ndlp, ndlp->nlp_state, 0); +} + +void +lpfc_drop_node(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) +{ + if ((ndlp->nlp_flag & NLP_DELAY_TMO) != 0) + lpfc_cancel_retry_delay_tmo(phba, ndlp); + if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) + lpfc_nlp_counters(phba, ndlp->nlp_state, -1); + spin_lock_irq(phba->host->host_lock); + list_del_init(&ndlp->nlp_listp); + spin_unlock_irq(phba->host->host_lock); + lpfc_nlp_put(ndlp); } /* @@ -1464,6 +1447,7 @@ lpfc_check_sli_ndlp(struct lpfc_hba * phba, static int lpfc_no_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) { + LIST_HEAD(completions); struct lpfc_sli *psli; struct lpfc_sli_ring *pring; struct lpfc_iocbq *iocb, *next_iocb; @@ -1492,29 +1476,29 @@ lpfc_no_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) (phba, pring, iocb, ndlp))) { /* It matches, so deque and call compl with an error */ - list_del(&iocb->list); + list_move_tail(&iocb->list, + &completions); pring->txq_cnt--; - if (iocb->iocb_cmpl) { - icmd = &iocb->iocb; - icmd->ulpStatus = - IOSTAT_LOCAL_REJECT; - icmd->un.ulpWord[4] = - IOERR_SLI_ABORTED; - spin_unlock_irq(phba->host-> - host_lock); - (iocb->iocb_cmpl) (phba, - iocb, iocb); - spin_lock_irq(phba->host-> - host_lock); - } else - lpfc_sli_release_iocbq(phba, - iocb); } } spin_unlock_irq(phba->host->host_lock); } } + + while (!list_empty(&completions)) { + iocb = list_get_first(&completions, struct lpfc_iocbq, list); + list_del(&iocb->list); + + if (iocb->iocb_cmpl) { + icmd = &iocb->iocb; + icmd->ulpStatus = IOSTAT_LOCAL_REJECT; + icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; + (iocb->iocb_cmpl) (phba, iocb, iocb); + } else + lpfc_sli_release_iocbq(phba, iocb); + } + return 0; } @@ -1554,7 +1538,7 @@ lpfc_unreg_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) * so it can be freed. */ static int -lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) +lpfc_cleanup_node(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) { LPFC_MBOXQ_t *mb; LPFC_MBOXQ_t *nextmb; @@ -1567,17 +1551,7 @@ lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); - lpfc_nlp_list(phba, ndlp, NLP_JUST_DQ); - - /* - * if unloading the driver - just leave the remote port in place. - * The driver unload will force the attached devices to detach - * and flush cache's w/o generating flush errors. - */ - if ((ndlp->rport) && !(phba->fc_flag & FC_UNLOADING)) { - lpfc_unregister_remote_port(phba, ndlp); - ndlp->nlp_sid = NLP_NO_SID; - } + lpfc_dequeue_node(phba, ndlp); /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ if ((mb = phba->sli.mbox_active)) { @@ -1599,11 +1573,12 @@ lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) } list_del(&mb->list); mempool_free(mb, phba->mbox_mem_pool); + lpfc_nlp_put(ndlp); } } spin_unlock_irq(phba->host->host_lock); - lpfc_els_abort(phba,ndlp,0); + lpfc_els_abort(phba,ndlp); spin_lock_irq(phba->host->host_lock); ndlp->nlp_flag &= ~NLP_DELAY_TMO; spin_unlock_irq(phba->host->host_lock); @@ -1624,27 +1599,27 @@ lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) * If we are in the middle of using the nlp in the discovery state * machine, defer the free till we reach the end of the state machine. */ -int -lpfc_nlp_remove(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) +static void +lpfc_nlp_remove(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) { + struct lpfc_rport_data *rdata; if (ndlp->nlp_flag & NLP_DELAY_TMO) { lpfc_cancel_retry_delay_tmo(phba, ndlp); } - if (ndlp->nlp_disc_refcnt) { - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag |= NLP_DELAY_REMOVE; - spin_unlock_irq(phba->host->host_lock); - } else { - lpfc_freenode(phba, ndlp); - mempool_free( ndlp, phba->nlp_mem_pool); + lpfc_cleanup_node(phba, ndlp); + + if ((ndlp->rport) && !(phba->fc_flag & FC_UNLOADING)) { + put_device(&ndlp->rport->dev); + rdata = ndlp->rport->dd_data; + rdata->pnode = NULL; + ndlp->rport = NULL; } - return 0; } static int -lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did) +lpfc_matchdid(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, uint32_t did) { D_ID mydid; D_ID ndlpdid; @@ -1693,57 +1668,36 @@ lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did) return 0; } -/* Search for a nodelist entry on a specific list */ +/* Search for a nodelist entry */ struct lpfc_nodelist * -lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did) +lpfc_findnode_did(struct lpfc_hba *phba, uint32_t did) { struct lpfc_nodelist *ndlp; - struct list_head *lists[]={&phba->fc_nlpunmap_list, - &phba->fc_nlpmap_list, - &phba->fc_plogi_list, - &phba->fc_adisc_list, - &phba->fc_reglogin_list, - &phba->fc_prli_list, - &phba->fc_npr_list, - &phba->fc_unused_list}; - uint32_t search[]={NLP_SEARCH_UNMAPPED, - NLP_SEARCH_MAPPED, - NLP_SEARCH_PLOGI, - NLP_SEARCH_ADISC, - NLP_SEARCH_REGLOGIN, - NLP_SEARCH_PRLI, - NLP_SEARCH_NPR, - NLP_SEARCH_UNUSED}; - int i; uint32_t data1; spin_lock_irq(phba->host->host_lock); - for (i = 0; i < ARRAY_SIZE(lists); i++ ) { - if (!(order & search[i])) - continue; - list_for_each_entry(ndlp, lists[i], nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0929 FIND node DID " - " Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - spin_unlock_irq(phba->host->host_lock); - return ndlp; - } + list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) { + if (lpfc_matchdid(phba, ndlp, did)) { + data1 = (((uint32_t) ndlp->nlp_state << 24) | + ((uint32_t) ndlp->nlp_xri << 16) | + ((uint32_t) ndlp->nlp_type << 8) | + ((uint32_t) ndlp->nlp_rpi & 0xff)); + lpfc_printf_log(phba, KERN_INFO, LOG_NODE, + "%d:0929 FIND node DID " + " Data: x%p x%x x%x x%x\n", + phba->brd_no, + ndlp, ndlp->nlp_DID, + ndlp->nlp_flag, data1); + spin_unlock_irq(phba->host->host_lock); + return ndlp; } } spin_unlock_irq(phba->host->host_lock); /* FIND node did <did> NOT FOUND */ lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0932 FIND node did x%x NOT FOUND Data: x%x\n", - phba->brd_no, did, order); + "%d:0932 FIND node did x%x NOT FOUND.\n", + phba->brd_no, did); return NULL; } @@ -1751,9 +1705,8 @@ struct lpfc_nodelist * lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did) { struct lpfc_nodelist *ndlp; - uint32_t flg; - ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did); + ndlp = lpfc_findnode_did(phba, did); if (!ndlp) { if ((phba->fc_flag & FC_RSCN_MODE) && ((lpfc_rscn_payload_check(phba, did) == 0))) @@ -1763,8 +1716,7 @@ lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did) if (!ndlp) return NULL; lpfc_nlp_init(phba, ndlp, did); - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); ndlp->nlp_flag |= NLP_NPR_2B_DISC; return ndlp; } @@ -1780,11 +1732,10 @@ lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did) } else ndlp = NULL; } else { - flg = ndlp->nlp_flag & NLP_LIST_MASK; - if ((flg == NLP_ADISC_LIST) || (flg == NLP_PLOGI_LIST)) + if (ndlp->nlp_state == NLP_STE_ADISC_ISSUE || + ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) return NULL; - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); ndlp->nlp_flag |= NLP_NPR_2B_DISC; } return ndlp; @@ -1842,8 +1793,9 @@ lpfc_disc_start(struct lpfc_hba * phba) struct lpfc_sli *psli; LPFC_MBOXQ_t *mbox; struct lpfc_nodelist *ndlp, *next_ndlp; - uint32_t did_changed, num_sent; + uint32_t num_sent; uint32_t clear_la_pending; + int did_changed; int rc; psli = &phba->sli; @@ -1877,14 +1829,13 @@ lpfc_disc_start(struct lpfc_hba * phba) phba->fc_plogi_cnt, phba->fc_adisc_cnt); /* If our did changed, we MUST do PLOGI */ - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, - nlp_listp) { - if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { - if (did_changed) { - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_NPR_ADISC; - spin_unlock_irq(phba->host->host_lock); - } + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, nlp_listp) { + if (ndlp->nlp_state == NLP_STE_NPR_NODE && + (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && + did_changed) { + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_ADISC; + spin_unlock_irq(phba->host->host_lock); } } @@ -1944,11 +1895,11 @@ lpfc_disc_start(struct lpfc_hba * phba) static void lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) { + LIST_HEAD(completions); struct lpfc_sli *psli; IOCB_t *icmd; struct lpfc_iocbq *iocb, *next_iocb; struct lpfc_sli_ring *pring; - struct lpfc_dmabuf *mp; psli = &phba->sli; pring = &psli->ring[LPFC_ELS_RING]; @@ -1956,6 +1907,7 @@ lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) /* Error matching iocb on txq or txcmplq * First check the txq. */ + spin_lock_irq(phba->host->host_lock); list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { if (iocb->context1 != ndlp) { continue; @@ -1964,9 +1916,8 @@ lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { - list_del(&iocb->list); + list_move_tail(&iocb->list, &completions); pring->txq_cnt--; - lpfc_els_free_iocb(phba, iocb); } } @@ -1978,43 +1929,22 @@ lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) icmd = &iocb->iocb; if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { + lpfc_sli_issue_abort_iotag(phba, pring, iocb); + } + } + spin_unlock_irq(phba->host->host_lock); - iocb->iocb_cmpl = NULL; - /* context2 = cmd, context2->next = rsp, context3 = - bpl */ - if (iocb->context2) { - /* Free the response IOCB before handling the - command. */ - - mp = (struct lpfc_dmabuf *) (iocb->context2); - mp = list_get_first(&mp->list, - struct lpfc_dmabuf, - list); - if (mp) { - /* Delay before releasing rsp buffer to - * give UNREG mbox a chance to take - * effect. - */ - list_add(&mp->list, - &phba->freebufList); - } - lpfc_mbuf_free(phba, - ((struct lpfc_dmabuf *) - iocb->context2)->virt, - ((struct lpfc_dmabuf *) - iocb->context2)->phys); - kfree(iocb->context2); - } + while (!list_empty(&completions)) { + iocb = list_get_first(&completions, struct lpfc_iocbq, list); + list_del(&iocb->list); - if (iocb->context3) { - lpfc_mbuf_free(phba, - ((struct lpfc_dmabuf *) - iocb->context3)->virt, - ((struct lpfc_dmabuf *) - iocb->context3)->phys); - kfree(iocb->context3); - } - } + if (iocb->iocb_cmpl) { + icmd = &iocb->iocb; + icmd->ulpStatus = IOSTAT_LOCAL_REJECT; + icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; + (iocb->iocb_cmpl) (phba, iocb, iocb); + } else + lpfc_sli_release_iocbq(phba, iocb); } return; @@ -2025,21 +1955,16 @@ lpfc_disc_flush_list(struct lpfc_hba * phba) { struct lpfc_nodelist *ndlp, *next_ndlp; - if (phba->fc_plogi_cnt) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, - nlp_listp) { - lpfc_free_tx(phba, ndlp); - lpfc_nlp_remove(phba, ndlp); - } - } - if (phba->fc_adisc_cnt) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, - nlp_listp) { - lpfc_free_tx(phba, ndlp); - lpfc_nlp_remove(phba, ndlp); + if (phba->fc_plogi_cnt || phba->fc_adisc_cnt) { + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, + nlp_listp) { + if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || + ndlp->nlp_state == NLP_STE_ADISC_ISSUE) { + lpfc_free_tx(phba, ndlp); + lpfc_nlp_put(ndlp); + } } } - return; } /*****************************************************************************/ @@ -2108,11 +2033,13 @@ lpfc_disc_timeout_handler(struct lpfc_hba *phba) phba->brd_no); /* Start discovery by sending FLOGI, clean up old rpis */ - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, - nlp_listp) { + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, + nlp_listp) { + if (ndlp->nlp_state != NLP_STE_NPR_NODE) + continue; if (ndlp->nlp_type & NLP_FABRIC) { /* Clean up the ndlp on Fabric connections */ - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + lpfc_drop_node(phba, ndlp); } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { /* Fail outstanding IO now since device * is marked for PLOGI. @@ -2153,9 +2080,9 @@ lpfc_disc_timeout_handler(struct lpfc_hba *phba) "login\n", phba->brd_no); /* Next look for NameServer ndlp */ - ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID); + ndlp = lpfc_findnode_did(phba, NameServer_DID); if (ndlp) - lpfc_nlp_remove(phba, ndlp); + lpfc_nlp_put(ndlp); /* Start discovery */ lpfc_disc_start(phba); break; @@ -2168,9 +2095,8 @@ lpfc_disc_timeout_handler(struct lpfc_hba *phba) phba->brd_no, phba->fc_ns_retry, LPFC_MAX_NS_RETRY); - ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED, - NameServer_DID); - if (ndlp) { + ndlp = lpfc_findnode_did(phba, NameServer_DID); + if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) { /* Try it one more time */ rc = lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT); @@ -2220,6 +2146,7 @@ lpfc_disc_timeout_handler(struct lpfc_hba *phba) initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0; rc = lpfc_sli_issue_mbox(phba, initlinkmbox, (MBX_NOWAIT | MBX_STOP_IOCB)); + lpfc_set_loopback_flag(phba); if (rc == MBX_NOT_FINISHED) mempool_free(initlinkmbox, phba->mbox_mem_pool); @@ -2317,8 +2244,7 @@ lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) ndlp->nlp_rpi = mb->un.varWords[0]; ndlp->nlp_type |= NLP_FABRIC; - ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_UNMAPPED_NODE); /* Start issuing Fabric-Device Management Interface (FDMI) * command to 0xfffffa (FDMI well known port) @@ -2333,87 +2259,100 @@ lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60); } + /* Mailbox took a reference to the node */ + lpfc_nlp_put(ndlp); lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); - mempool_free( pmb, phba->mbox_mem_pool); + mempool_free(pmb, phba->mbox_mem_pool); return; } +static int +lpfc_filter_by_rpi(struct lpfc_nodelist *ndlp, void *param) +{ + uint16_t *rpi = param; + + return ndlp->nlp_rpi == *rpi; +} + +static int +lpfc_filter_by_wwpn(struct lpfc_nodelist *ndlp, void *param) +{ + return memcmp(&ndlp->nlp_portname, param, + sizeof(ndlp->nlp_portname)) == 0; +} + +/* + * Search node lists for a remote port matching filter criteria + * Caller needs to hold host_lock before calling this routine. + */ +struct lpfc_nodelist * +__lpfc_find_node(struct lpfc_hba *phba, node_filter filter, void *param) +{ + struct lpfc_nodelist *ndlp; + + list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) { + if (ndlp->nlp_state != NLP_STE_UNUSED_NODE && + filter(ndlp, param)) + return ndlp; + } + return NULL; +} + /* - * This routine looks up the ndlp lists - * for the given RPI. If rpi found - * it return the node list pointer - * else return NULL. + * Search node lists for a remote port matching filter criteria + * This routine is used when the caller does NOT have host_lock. */ struct lpfc_nodelist * +lpfc_find_node(struct lpfc_hba *phba, node_filter filter, void *param) +{ + struct lpfc_nodelist *ndlp; + + spin_lock_irq(phba->host->host_lock); + ndlp = __lpfc_find_node(phba, filter, param); + spin_unlock_irq(phba->host->host_lock); + return ndlp; +} + +/* + * This routine looks up the ndlp lists for the given RPI. If rpi found it + * returns the node list pointer else return NULL. + */ +struct lpfc_nodelist * +__lpfc_findnode_rpi(struct lpfc_hba *phba, uint16_t rpi) +{ + return __lpfc_find_node(phba, lpfc_filter_by_rpi, &rpi); +} + +struct lpfc_nodelist * lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi) { struct lpfc_nodelist *ndlp; - struct list_head * lists[]={&phba->fc_nlpunmap_list, - &phba->fc_nlpmap_list, - &phba->fc_plogi_list, - &phba->fc_adisc_list, - &phba->fc_reglogin_list}; - int i; spin_lock_irq(phba->host->host_lock); - for (i = 0; i < ARRAY_SIZE(lists); i++ ) - list_for_each_entry(ndlp, lists[i], nlp_listp) - if (ndlp->nlp_rpi == rpi) { - spin_unlock_irq(phba->host->host_lock); - return ndlp; - } + ndlp = __lpfc_findnode_rpi(phba, rpi); spin_unlock_irq(phba->host->host_lock); - return NULL; + return ndlp; } /* - * This routine looks up the ndlp lists - * for the given WWPN. If WWPN found - * it return the node list pointer - * else return NULL. + * This routine looks up the ndlp lists for the given WWPN. If WWPN found it + * returns the node list pointer else return NULL. */ struct lpfc_nodelist * -lpfc_findnode_wwpn(struct lpfc_hba * phba, uint32_t order, - struct lpfc_name * wwpn) +lpfc_findnode_wwpn(struct lpfc_hba *phba, struct lpfc_name *wwpn) { struct lpfc_nodelist *ndlp; - struct list_head * lists[]={&phba->fc_nlpunmap_list, - &phba->fc_nlpmap_list, - &phba->fc_npr_list, - &phba->fc_plogi_list, - &phba->fc_adisc_list, - &phba->fc_reglogin_list, - &phba->fc_prli_list}; - uint32_t search[]={NLP_SEARCH_UNMAPPED, - NLP_SEARCH_MAPPED, - NLP_SEARCH_NPR, - NLP_SEARCH_PLOGI, - NLP_SEARCH_ADISC, - NLP_SEARCH_REGLOGIN, - NLP_SEARCH_PRLI}; - int i; spin_lock_irq(phba->host->host_lock); - for (i = 0; i < ARRAY_SIZE(lists); i++ ) { - if (!(order & search[i])) - continue; - list_for_each_entry(ndlp, lists[i], nlp_listp) { - if (memcmp(&ndlp->nlp_portname, wwpn, - sizeof(struct lpfc_name)) == 0) { - spin_unlock_irq(phba->host->host_lock); - return ndlp; - } - } - } + ndlp = __lpfc_find_node(phba, lpfc_filter_by_wwpn, wwpn); spin_unlock_irq(phba->host->host_lock); return NULL; } void -lpfc_nlp_init(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, - uint32_t did) +lpfc_nlp_init(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, uint32_t did) { memset(ndlp, 0, sizeof (struct lpfc_nodelist)); INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); @@ -2423,5 +2362,30 @@ lpfc_nlp_init(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, ndlp->nlp_DID = did; ndlp->nlp_phba = phba; ndlp->nlp_sid = NLP_NO_SID; + INIT_LIST_HEAD(&ndlp->nlp_listp); + kref_init(&ndlp->kref); return; } + +void +lpfc_nlp_release(struct kref *kref) +{ + struct lpfc_nodelist *ndlp = container_of(kref, struct lpfc_nodelist, + kref); + lpfc_nlp_remove(ndlp->nlp_phba, ndlp); + mempool_free(ndlp, ndlp->nlp_phba->nlp_mem_pool); +} + +struct lpfc_nodelist * +lpfc_nlp_get(struct lpfc_nodelist *ndlp) +{ + if (ndlp) + kref_get(&ndlp->kref); + return ndlp; +} + +int +lpfc_nlp_put(struct lpfc_nodelist *ndlp) +{ + return ndlp ? kref_put(&ndlp->kref, lpfc_nlp_release) : 0; +} diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index f79cb61..2623a9b 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2006 Emulex. All rights reserved. * + * Copyright (C) 2004-2007 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * * @@ -1078,6 +1078,8 @@ typedef struct { /* Start FireFly Register definitions */ #define PCI_VENDOR_ID_EMULEX 0x10df #define PCI_DEVICE_ID_FIREFLY 0x1ae5 +#define PCI_DEVICE_ID_SAT_SMB 0xf011 +#define PCI_DEVICE_ID_SAT_MID 0xf015 #define PCI_DEVICE_ID_RFLY 0xf095 #define PCI_DEVICE_ID_PFLY 0xf098 #define PCI_DEVICE_ID_LP101 0xf0a1 @@ -1089,6 +1091,9 @@ typedef struct { #define PCI_DEVICE_ID_NEPTUNE 0xf0f5 #define PCI_DEVICE_ID_NEPTUNE_SCSP 0xf0f6 #define PCI_DEVICE_ID_NEPTUNE_DCSP 0xf0f7 +#define PCI_DEVICE_ID_SAT 0xf100 +#define PCI_DEVICE_ID_SAT_SCSP 0xf111 +#define PCI_DEVICE_ID_SAT_DCSP 0xf112 #define PCI_DEVICE_ID_SUPERFLY 0xf700 #define PCI_DEVICE_ID_DRAGONFLY 0xf800 #define PCI_DEVICE_ID_CENTAUR 0xf900 @@ -1098,6 +1103,7 @@ typedef struct { #define PCI_DEVICE_ID_LP10000S 0xfc00 #define PCI_DEVICE_ID_LP11000S 0xfc10 #define PCI_DEVICE_ID_LPE11000S 0xfc20 +#define PCI_DEVICE_ID_SAT_S 0xfc40 #define PCI_DEVICE_ID_HELIOS 0xfd00 #define PCI_DEVICE_ID_HELIOS_SCSP 0xfd11 #define PCI_DEVICE_ID_HELIOS_DCSP 0xfd12 @@ -1118,6 +1124,7 @@ typedef struct { #define HELIOS_JEDEC_ID 0x0364 #define ZEPHYR_JEDEC_ID 0x0577 #define VIPER_JEDEC_ID 0x4838 +#define SATURN_JEDEC_ID 0x1004 #define JEDEC_ID_MASK 0x0FFFF000 #define JEDEC_ID_SHIFT 12 @@ -1565,7 +1572,7 @@ typedef struct { #define LINK_SPEED_1G 1 /* 1 Gigabaud */ #define LINK_SPEED_2G 2 /* 2 Gigabaud */ #define LINK_SPEED_4G 4 /* 4 Gigabaud */ -#define LINK_SPEED_8G 8 /* 4 Gigabaud */ +#define LINK_SPEED_8G 8 /* 8 Gigabaud */ #define LINK_SPEED_10G 16 /* 10 Gigabaud */ } INIT_LINK_VAR; diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index dcf6106..dcb4ba0 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2006 Emulex. All rights reserved. * + * Copyright (C) 2004-2007 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -386,12 +386,12 @@ lpfc_config_port_post(struct lpfc_hba * phba) * Setup the ring 0 (els) timeout handler */ timeout = phba->fc_ratov << 1; - phba->els_tmofunc.expires = jiffies + HZ * timeout; - add_timer(&phba->els_tmofunc); + mod_timer(&phba->els_tmofunc, jiffies + HZ * timeout); lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); + lpfc_set_loopback_flag(phba); if (rc != MBX_SUCCESS) { lpfc_printf_log(phba, KERN_ERR, @@ -418,33 +418,6 @@ lpfc_config_port_post(struct lpfc_hba * phba) return (0); } -static int -lpfc_discovery_wait(struct lpfc_hba *phba) -{ - int i = 0; - - while ((phba->hba_state != LPFC_HBA_READY) || - (phba->num_disc_nodes) || (phba->fc_prli_sent) || - ((phba->fc_map_cnt == 0) && (i<2)) || - (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE)) { - /* Check every second for 30 retries. */ - i++; - if (i > 30) { - return -ETIMEDOUT; - } - if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) { - /* The link is down. Set linkdown timeout */ - return -ETIMEDOUT; - } - - /* Delay for 1 second to give discovery time to complete. */ - msleep(1000); - - } - - return 0; -} - /************************************************************************/ /* */ /* lpfc_hba_down_prep */ @@ -550,12 +523,15 @@ lpfc_handle_eratt(struct lpfc_hba * phba) * There was a firmware error. Take the hba offline and then * attempt to restart it. */ + lpfc_offline_prep(phba); lpfc_offline(phba); lpfc_sli_brdrestart(phba); if (lpfc_online(phba) == 0) { /* Initialize the HBA */ mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); + lpfc_unblock_mgmt_io(phba); return; } + lpfc_unblock_mgmt_io(phba); } else { /* The if clause above forces this code path when the status * failure is a value other than FFER6. Do not call the offline @@ -573,7 +549,9 @@ lpfc_handle_eratt(struct lpfc_hba * phba) SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); psli->sli_flag &= ~LPFC_SLI2_ACTIVE; + lpfc_offline_prep(phba); lpfc_offline(phba); + lpfc_unblock_mgmt_io(phba); phba->hba_state = LPFC_HBA_ERROR; lpfc_hba_down_post(phba); } @@ -633,7 +611,7 @@ lpfc_handle_latt_free_mbuf: lpfc_handle_latt_free_mp: kfree(mp); lpfc_handle_latt_free_pmb: - kfree(pmb); + mempool_free(pmb, phba->mbox_mem_pool); lpfc_handle_latt_err_exit: /* Enable Link attention interrupts */ spin_lock_irq(phba->host->host_lock); @@ -925,6 +903,24 @@ lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp) m = (typeof(m)){"LPe11000-S", max_speed, "PCIe"}; break; + case PCI_DEVICE_ID_SAT: + m = (typeof(m)){"LPe12000", max_speed, "PCIe"}; + break; + case PCI_DEVICE_ID_SAT_MID: + m = (typeof(m)){"LPe1250", max_speed, "PCIe"}; + break; + case PCI_DEVICE_ID_SAT_SMB: + m = (typeof(m)){"LPe121", max_speed, "PCIe"}; + break; + case PCI_DEVICE_ID_SAT_DCSP: + m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"}; + break; + case PCI_DEVICE_ID_SAT_SCSP: + m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"}; + break; + case PCI_DEVICE_ID_SAT_S: + m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"}; + break; default: m = (typeof(m)){ NULL }; break; @@ -1174,69 +1170,17 @@ lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) } static void -lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind) +lpfc_cleanup(struct lpfc_hba * phba) { struct lpfc_nodelist *ndlp, *next_ndlp; /* clean up phba - lpfc specific */ lpfc_can_disctmo(phba); - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list, - nlp_listp) { - lpfc_nlp_remove(phba, ndlp); - } + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, nlp_listp) + lpfc_nlp_put(ndlp); - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list, - nlp_listp) { - lpfc_nlp_remove(phba, ndlp); - } - - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, - nlp_listp) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - } - - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, - nlp_listp) { - lpfc_nlp_remove(phba, ndlp); - } - - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, - nlp_listp) { - lpfc_nlp_remove(phba, ndlp); - } - - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list, - nlp_listp) { - lpfc_nlp_remove(phba, ndlp); - } + INIT_LIST_HEAD(&phba->fc_nodes); - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list, - nlp_listp) { - lpfc_nlp_remove(phba, ndlp); - } - - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, - nlp_listp) { - lpfc_nlp_remove(phba, ndlp); - } - - INIT_LIST_HEAD(&phba->fc_nlpmap_list); - INIT_LIST_HEAD(&phba->fc_nlpunmap_list); - INIT_LIST_HEAD(&phba->fc_unused_list); - INIT_LIST_HEAD(&phba->fc_plogi_list); - INIT_LIST_HEAD(&phba->fc_adisc_list); - INIT_LIST_HEAD(&phba->fc_reglogin_list); - INIT_LIST_HEAD(&phba->fc_prli_list); - INIT_LIST_HEAD(&phba->fc_npr_list); - - phba->fc_map_cnt = 0; - phba->fc_unmap_cnt = 0; - phba->fc_plogi_cnt = 0; - phba->fc_adisc_cnt = 0; - phba->fc_reglogin_cnt = 0; - phba->fc_prli_cnt = 0; - phba->fc_npr_cnt = 0; - phba->fc_unused_cnt= 0; return; } @@ -1262,21 +1206,6 @@ lpfc_stop_timer(struct lpfc_hba * phba) { struct lpfc_sli *psli = &phba->sli; - /* Instead of a timer, this has been converted to a - * deferred procedding list. - */ - while (!list_empty(&phba->freebufList)) { - - struct lpfc_dmabuf *mp = NULL; - - list_remove_head((&phba->freebufList), mp, - struct lpfc_dmabuf, list); - if (mp) { - lpfc_mbuf_free(phba, mp->virt, mp->phys); - kfree(mp); - } - } - del_timer_sync(&phba->fcp_poll_timer); del_timer_sync(&phba->fc_estabtmo); del_timer_sync(&phba->fc_disctmo); @@ -1302,60 +1231,76 @@ lpfc_online(struct lpfc_hba * phba) "%d:0458 Bring Adapter online\n", phba->brd_no); - if (!lpfc_sli_queue_setup(phba)) + lpfc_block_mgmt_io(phba); + + if (!lpfc_sli_queue_setup(phba)) { + lpfc_unblock_mgmt_io(phba); return 1; + } - if (lpfc_sli_hba_setup(phba)) /* Initialize the HBA */ + if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */ + lpfc_unblock_mgmt_io(phba); return 1; + } spin_lock_irq(phba->host->host_lock); phba->fc_flag &= ~FC_OFFLINE_MODE; spin_unlock_irq(phba->host->host_lock); + lpfc_unblock_mgmt_io(phba); return 0; } -int -lpfc_offline(struct lpfc_hba * phba) +void +lpfc_block_mgmt_io(struct lpfc_hba * phba) { - struct lpfc_sli_ring *pring; - struct lpfc_sli *psli; unsigned long iflag; - int i; - int cnt = 0; - if (!phba) - return 0; + spin_lock_irqsave(phba->host->host_lock, iflag); + phba->fc_flag |= FC_BLOCK_MGMT_IO; + spin_unlock_irqrestore(phba->host->host_lock, iflag); +} + +void +lpfc_unblock_mgmt_io(struct lpfc_hba * phba) +{ + unsigned long iflag; + + spin_lock_irqsave(phba->host->host_lock, iflag); + phba->fc_flag &= ~FC_BLOCK_MGMT_IO; + spin_unlock_irqrestore(phba->host->host_lock, iflag); +} + +void +lpfc_offline_prep(struct lpfc_hba * phba) +{ + struct lpfc_nodelist *ndlp, *next_ndlp; if (phba->fc_flag & FC_OFFLINE_MODE) - return 0; + return; - psli = &phba->sli; + lpfc_block_mgmt_io(phba); lpfc_linkdown(phba); + + /* Issue an unreg_login to all nodes */ + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, nlp_listp) + if (ndlp->nlp_state != NLP_STE_UNUSED_NODE) + lpfc_unreg_rpi(phba, ndlp); + lpfc_sli_flush_mbox_queue(phba); +} - for (i = 0; i < psli->num_rings; i++) { - pring = &psli->ring[i]; - /* The linkdown event takes 30 seconds to timeout. */ - while (pring->txcmplq_cnt) { - mdelay(10); - if (cnt++ > 3000) { - lpfc_printf_log(phba, - KERN_WARNING, LOG_INIT, - "%d:0466 Outstanding IO when " - "bringing Adapter offline\n", - phba->brd_no); - break; - } - } - } +void +lpfc_offline(struct lpfc_hba * phba) +{ + unsigned long iflag; + if (phba->fc_flag & FC_OFFLINE_MODE) + return; /* stop all timers associated with this hba */ lpfc_stop_timer(phba); - phba->work_hba_events = 0; - phba->work_ha = 0; lpfc_printf_log(phba, KERN_WARNING, @@ -1366,11 +1311,12 @@ lpfc_offline(struct lpfc_hba * phba) /* Bring down the SLI Layer and cleanup. The HBA is offline now. */ lpfc_sli_hba_down(phba); - lpfc_cleanup(phba, 1); + lpfc_cleanup(phba); spin_lock_irqsave(phba->host->host_lock, iflag); + phba->work_hba_events = 0; + phba->work_ha = 0; phba->fc_flag |= FC_OFFLINE_MODE; spin_unlock_irqrestore(phba->host->host_lock, iflag); - return 0; } /****************************************************************************** @@ -1407,6 +1353,156 @@ lpfc_scsi_free(struct lpfc_hba * phba) return 0; } +void lpfc_remove_device(struct lpfc_hba *phba) +{ + unsigned long iflag; + + lpfc_free_sysfs_attr(phba); + + spin_lock_irqsave(phba->host->host_lock, iflag); + phba->fc_flag |= FC_UNLOADING; + + spin_unlock_irqrestore(phba->host->host_lock, iflag); + + fc_remove_host(phba->host); + scsi_remove_host(phba->host); + + kthread_stop(phba->worker_thread); + + /* + * Bring down the SLI Layer. This step disable all interrupts, + * clears the rings, discards all mailbox commands, and resets + * the HBA. + */ + lpfc_sli_hba_down(phba); + lpfc_sli_brdrestart(phba); + + /* Release the irq reservation */ + free_irq(phba->pcidev->irq, phba); + pci_disable_msi(phba->pcidev); + + lpfc_cleanup(phba); + lpfc_stop_timer(phba); + phba->work_hba_events = 0; + + /* + * Call scsi_free before mem_free since scsi bufs are released to their + * corresponding pools here. + */ + lpfc_scsi_free(phba); + lpfc_mem_free(phba); + + /* Free resources associated with SLI2 interface */ + dma_free_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE, + phba->slim2p, phba->slim2p_mapping); + + /* unmap adapter SLIM and Control Registers */ + iounmap(phba->ctrl_regs_memmap_p); + iounmap(phba->slim_memmap_p); + + pci_release_regions(phba->pcidev); + pci_disable_device(phba->pcidev); + + idr_remove(&lpfc_hba_index, phba->brd_no); + scsi_host_put(phba->host); +} + +void lpfc_scan_start(struct Scsi_Host *host) +{ + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; + + if (lpfc_alloc_sysfs_attr(phba)) + goto error; + + phba->MBslimaddr = phba->slim_memmap_p; + phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; + phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; + phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; + phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; + + if (lpfc_sli_hba_setup(phba)) + goto error; + + /* + * hba setup may have changed the hba_queue_depth so we need to adjust + * the value of can_queue. + */ + host->can_queue = phba->cfg_hba_queue_depth - 10; + return; + +error: + lpfc_remove_device(phba); +} + +int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) +{ + struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata; + + if (!phba->host) + return 1; + if (time >= 30 * HZ) + goto finished; + + if (phba->hba_state != LPFC_HBA_READY) + return 0; + if (phba->num_disc_nodes || phba->fc_prli_sent) + return 0; + if ((phba->fc_map_cnt == 0) && (time < 2 * HZ)) + return 0; + if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) + return 0; + if ((phba->hba_state > LPFC_LINK_DOWN) || (time < 15 * HZ)) + return 0; + +finished: + if (phba->cfg_poll & DISABLE_FCP_RING_INT) { + spin_lock_irq(shost->host_lock); + lpfc_poll_start_timer(phba); + spin_unlock_irq(shost->host_lock); + } + + /* + * set fixed host attributes + * Must done after lpfc_sli_hba_setup() + */ + + fc_host_node_name(shost) = wwn_to_u64(phba->fc_nodename.u.wwn); + fc_host_port_name(shost) = wwn_to_u64(phba->fc_portname.u.wwn); + fc_host_supported_classes(shost) = FC_COS_CLASS3; + + memset(fc_host_supported_fc4s(shost), 0, + sizeof(fc_host_supported_fc4s(shost))); + fc_host_supported_fc4s(shost)[2] = 1; + fc_host_supported_fc4s(shost)[7] = 1; + + lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(shost)); + + fc_host_supported_speeds(shost) = 0; + if (phba->lmt & LMT_10Gb) + fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; + if (phba->lmt & LMT_4Gb) + fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; + if (phba->lmt & LMT_2Gb) + fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; + if (phba->lmt & LMT_1Gb) + fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; + + fc_host_maxframe_size(shost) = + ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | + (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb); + + /* This value is also unchanging */ + memset(fc_host_active_fc4s(shost), 0, + sizeof(fc_host_active_fc4s(shost))); + fc_host_active_fc4s(shost)[2] = 1; + fc_host_active_fc4s(shost)[7] = 1; + + spin_lock_irq(shost->host_lock); + phba->fc_flag &= ~FC_LOADING; + spin_unlock_irq(shost->host_lock); + + return 1; +} static int __devinit lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) @@ -1445,9 +1541,6 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) goto out_put_host; host->unique_id = phba->brd_no; - INIT_LIST_HEAD(&phba->ctrspbuflist); - INIT_LIST_HEAD(&phba->rnidrspbuflist); - INIT_LIST_HEAD(&phba->freebufList); /* Initialize timers used by driver */ init_timer(&phba->fc_estabtmo); @@ -1482,16 +1575,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) host->max_lun = phba->cfg_max_luns; host->this_id = -1; - /* Initialize all internally managed lists. */ - INIT_LIST_HEAD(&phba->fc_nlpmap_list); - INIT_LIST_HEAD(&phba->fc_nlpunmap_list); - INIT_LIST_HEAD(&phba->fc_unused_list); - INIT_LIST_HEAD(&phba->fc_plogi_list); - INIT_LIST_HEAD(&phba->fc_adisc_list); - INIT_LIST_HEAD(&phba->fc_reglogin_list); - INIT_LIST_HEAD(&phba->fc_prli_list); - INIT_LIST_HEAD(&phba->fc_npr_list); - + INIT_LIST_HEAD(&phba->fc_nodes); pci_set_master(pdev); retval = pci_set_mwi(pdev); @@ -1609,13 +1693,6 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) host->transportt = lpfc_transport_template; pci_set_drvdata(pdev, host); - error = scsi_add_host(host, &pdev->dev); - if (error) - goto out_kthread_stop; - - error = lpfc_alloc_sysfs_attr(phba); - if (error) - goto out_remove_host; if (phba->cfg_use_msi) { error = pci_enable_msi(phba->pcidev); @@ -1631,73 +1708,15 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "%d:0451 Enable interrupt handler failed\n", phba->brd_no); - goto out_free_sysfs_attr; + goto out_kthread_stop; } - phba->MBslimaddr = phba->slim_memmap_p; - phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; - phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; - phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; - phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; - error = lpfc_sli_hba_setup(phba); - if (error) { - error = -ENODEV; + error = scsi_add_host(host, &pdev->dev); + if (error) goto out_free_irq; - } - - /* - * hba setup may have changed the hba_queue_depth so we need to adjust - * the value of can_queue. - */ - host->can_queue = phba->cfg_hba_queue_depth - 10; - - lpfc_discovery_wait(phba); - if (phba->cfg_poll & DISABLE_FCP_RING_INT) { - spin_lock_irq(phba->host->host_lock); - lpfc_poll_start_timer(phba); - spin_unlock_irq(phba->host->host_lock); - } + scsi_scan_host(host); - /* - * set fixed host attributes - * Must done after lpfc_sli_hba_setup() - */ - - fc_host_node_name(host) = wwn_to_u64(phba->fc_nodename.u.wwn); - fc_host_port_name(host) = wwn_to_u64(phba->fc_portname.u.wwn); - fc_host_supported_classes(host) = FC_COS_CLASS3; - - memset(fc_host_supported_fc4s(host), 0, - sizeof(fc_host_supported_fc4s(host))); - fc_host_supported_fc4s(host)[2] = 1; - fc_host_supported_fc4s(host)[7] = 1; - - lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host)); - - fc_host_supported_speeds(host) = 0; - if (phba->lmt & LMT_10Gb) - fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT; - if (phba->lmt & LMT_4Gb) - fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT; - if (phba->lmt & LMT_2Gb) - fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT; - if (phba->lmt & LMT_1Gb) - fc_host_supported_speeds(host) |= FC_PORTSPEED_1GBIT; - - fc_host_maxframe_size(host) = - ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | - (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb); - - /* This value is also unchanging */ - memset(fc_host_active_fc4s(host), 0, - sizeof(fc_host_active_fc4s(host))); - fc_host_active_fc4s(host)[2] = 1; - fc_host_active_fc4s(host)[7] = 1; - - spin_lock_irq(phba->host->host_lock); - phba->fc_flag &= ~FC_LOADING; - spin_unlock_irq(phba->host->host_lock); return 0; out_free_irq: @@ -1705,11 +1724,6 @@ out_free_irq: phba->work_hba_events = 0; free_irq(phba->pcidev->irq, phba); pci_disable_msi(phba->pcidev); -out_free_sysfs_attr: - lpfc_free_sysfs_attr(phba); -out_remove_host: - fc_remove_host(phba->host); - scsi_remove_host(phba->host); out_kthread_stop: kthread_stop(phba->worker_thread); out_free_iocbq: @@ -1747,56 +1761,8 @@ lpfc_pci_remove_one(struct pci_dev *pdev) { struct Scsi_Host *host = pci_get_drvdata(pdev); struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata; - unsigned long iflag; - - lpfc_free_sysfs_attr(phba); - - spin_lock_irqsave(phba->host->host_lock, iflag); - phba->fc_flag |= FC_UNLOADING; - - spin_unlock_irqrestore(phba->host->host_lock, iflag); - fc_remove_host(phba->host); - scsi_remove_host(phba->host); - - kthread_stop(phba->worker_thread); - - /* - * Bring down the SLI Layer. This step disable all interrupts, - * clears the rings, discards all mailbox commands, and resets - * the HBA. - */ - lpfc_sli_hba_down(phba); - lpfc_sli_brdrestart(phba); - - /* Release the irq reservation */ - free_irq(phba->pcidev->irq, phba); - pci_disable_msi(phba->pcidev); - - lpfc_cleanup(phba, 0); - lpfc_stop_timer(phba); - phba->work_hba_events = 0; - - /* - * Call scsi_free before mem_free since scsi bufs are released to their - * corresponding pools here. - */ - lpfc_scsi_free(phba); - lpfc_mem_free(phba); - - /* Free resources associated with SLI2 interface */ - dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, - phba->slim2p, phba->slim2p_mapping); - - /* unmap adapter SLIM and Control Registers */ - iounmap(phba->ctrl_regs_memmap_p); - iounmap(phba->slim_memmap_p); - - pci_release_regions(phba->pcidev); - pci_disable_device(phba->pcidev); - - idr_remove(&lpfc_hba_index, phba->brd_no); - scsi_host_put(phba->host); + lpfc_remove_device(phba); pci_set_drvdata(pdev, NULL); } @@ -1941,6 +1907,18 @@ static struct pci_device_id lpfc_id_table[] = { PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, + PCI_ANY_ID, PCI_ANY_ID, }, { 0 } }; diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c index 4d016c2..8041c3f 100644 --- a/drivers/scsi/lpfc/lpfc_mbox.c +++ b/drivers/scsi/lpfc/lpfc_mbox.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2006 Emulex. All rights reserved. * + * Copyright (C) 2004-2007 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -212,6 +212,7 @@ lpfc_init_link(struct lpfc_hba * phba, case LINK_SPEED_1G: case LINK_SPEED_2G: case LINK_SPEED_4G: + case LINK_SPEED_8G: mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; mb->un.varInitLnk.link_speed = linkspeed; diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 0c7e731..b309841 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2006 Emulex. All rights reserved. * + * Copyright (C) 2004-2007 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -168,14 +168,13 @@ lpfc_check_elscmpl_iocb(struct lpfc_hba * phba, * routine effectively results in a "software abort". */ int -lpfc_els_abort(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, - int send_abts) +lpfc_els_abort(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) { + LIST_HEAD(completions); struct lpfc_sli *psli; struct lpfc_sli_ring *pring; struct lpfc_iocbq *iocb, *next_iocb; - IOCB_t *icmd; - int found = 0; + IOCB_t *cmd; /* Abort outstanding I/O on NPort <nlp_DID> */ lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, @@ -188,75 +187,39 @@ lpfc_els_abort(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, pring = &psli->ring[LPFC_ELS_RING]; /* First check the txq */ - do { - found = 0; - spin_lock_irq(phba->host->host_lock); - list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { - /* Check to see if iocb matches the nport we are looking - for */ - if ((lpfc_check_sli_ndlp(phba, pring, iocb, ndlp))) { - found = 1; - /* It matches, so deque and call compl with an - error */ - list_del(&iocb->list); - pring->txq_cnt--; - if (iocb->iocb_cmpl) { - icmd = &iocb->iocb; - icmd->ulpStatus = IOSTAT_LOCAL_REJECT; - icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - spin_unlock_irq(phba->host->host_lock); - (iocb->iocb_cmpl) (phba, iocb, iocb); - spin_lock_irq(phba->host->host_lock); - } else - lpfc_sli_release_iocbq(phba, iocb); - break; - } + spin_lock_irq(phba->host->host_lock); + list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { + /* Check to see if iocb matches the nport we are looking + for */ + if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) { + /* It matches, so deque and call compl with an + error */ + list_move_tail(&iocb->list, &completions); + pring->txq_cnt--; } - spin_unlock_irq(phba->host->host_lock); - } while (found); + } - /* Everything on txcmplq will be returned by firmware - * with a no rpi / linkdown / abort error. For ring 0, - * ELS discovery, we want to get rid of it right here. - */ /* Next check the txcmplq */ - do { - found = 0; - spin_lock_irq(phba->host->host_lock); - list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, - list) { - /* Check to see if iocb matches the nport we are looking - for */ - if ((lpfc_check_sli_ndlp (phba, pring, iocb, ndlp))) { - found = 1; - /* It matches, so deque and call compl with an - error */ - list_del(&iocb->list); - pring->txcmplq_cnt--; - - icmd = &iocb->iocb; - /* If the driver is completing an ELS - * command early, flush it out of the firmware. - */ - if (send_abts && - (icmd->ulpCommand == CMD_ELS_REQUEST64_CR) && - (icmd->un.elsreq64.bdl.ulpIoTag32)) { - lpfc_sli_issue_abort_iotag32(phba, - pring, iocb); - } - if (iocb->iocb_cmpl) { - icmd->ulpStatus = IOSTAT_LOCAL_REJECT; - icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - spin_unlock_irq(phba->host->host_lock); - (iocb->iocb_cmpl) (phba, iocb, iocb); - spin_lock_irq(phba->host->host_lock); - } else - lpfc_sli_release_iocbq(phba, iocb); - break; - } - } - spin_unlock_irq(phba->host->host_lock); - } while(found); + list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { + /* Check to see if iocb matches the nport we are looking + for */ + if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) + lpfc_sli_issue_abort_iotag(phba, pring, iocb); + } + spin_unlock_irq(phba->host->host_lock); + + while (!list_empty(&completions)) { + iocb = list_get_first(&completions, struct lpfc_iocbq, list); + cmd = &iocb->iocb; + list_del(&iocb->list); + + if (iocb->iocb_cmpl) { + cmd->ulpStatus = IOSTAT_LOCAL_REJECT; + cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; + (iocb->iocb_cmpl) (phba, iocb, iocb); + } else + lpfc_sli_release_iocbq(phba, iocb); + } /* If we are delaying issuing an ELS command, cancel it */ if (ndlp->nlp_flag & NLP_DELAY_TMO) @@ -390,7 +353,10 @@ lpfc_rcv_plogi(struct lpfc_hba * phba, * queue this mbox command to be processed later. */ mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; - mbox->context2 = ndlp; + /* + * mbox->context2 = lpfc_nlp_get(ndlp) deferred until mailbox + * command issued in lpfc_cmpl_els_acc(). + */ ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI); /* @@ -404,7 +370,7 @@ lpfc_rcv_plogi(struct lpfc_hba * phba, */ if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) { /* software abort outstanding PLOGI */ - lpfc_els_abort(phba, ndlp, 1); + lpfc_els_abort(phba, ndlp); } lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox, 0); @@ -471,8 +437,7 @@ lpfc_rcv_padisc(struct lpfc_hba * phba, spin_unlock_irq(phba->host->host_lock); ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; ndlp->nlp_prev_state = ndlp->nlp_state; - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); return 0; } @@ -502,12 +467,10 @@ lpfc_rcv_logo(struct lpfc_hba * phba, ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; ndlp->nlp_prev_state = ndlp->nlp_state; - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); } else { ndlp->nlp_prev_state = ndlp->nlp_state; - ndlp->nlp_state = NLP_STE_UNUSED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_UNUSED_NODE); } spin_lock_irq(phba->host->host_lock); @@ -601,11 +564,10 @@ lpfc_rcv_plogi_unused_node(struct lpfc_hba * phba, if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) { ndlp->nlp_prev_state = NLP_STE_UNUSED_NODE; - ndlp->nlp_state = NLP_STE_UNUSED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_UNUSED_NODE); return ndlp->nlp_state; } - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + lpfc_drop_node(phba, ndlp); return NLP_STE_FREED_NODE; } @@ -614,7 +576,7 @@ lpfc_rcv_els_unused_node(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) { lpfc_issue_els_logo(phba, ndlp, 0); - lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_UNUSED_NODE); return ndlp->nlp_state; } @@ -630,7 +592,7 @@ lpfc_rcv_logo_unused_node(struct lpfc_hba * phba, ndlp->nlp_flag |= NLP_LOGO_ACC; spin_unlock_irq(phba->host->host_lock); lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); - lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_UNUSED_NODE); return ndlp->nlp_state; } @@ -639,7 +601,7 @@ static uint32_t lpfc_cmpl_logo_unused_node(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + lpfc_drop_node(phba, ndlp); return NLP_STE_FREED_NODE; } @@ -647,7 +609,7 @@ static uint32_t lpfc_device_rm_unused_node(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + lpfc_drop_node(phba, ndlp); return NLP_STE_FREED_NODE; } @@ -697,7 +659,7 @@ lpfc_rcv_logo_plogi_issue(struct lpfc_hba * phba, cmdiocb = (struct lpfc_iocbq *) arg; /* software abort outstanding PLOGI */ - lpfc_els_abort(phba, ndlp, 1); + lpfc_els_abort(phba, ndlp); lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO); return ndlp->nlp_state; @@ -712,7 +674,7 @@ lpfc_rcv_els_plogi_issue(struct lpfc_hba * phba, cmdiocb = (struct lpfc_iocbq *) arg; /* software abort outstanding PLOGI */ - lpfc_els_abort(phba, ndlp, 1); + lpfc_els_abort(phba, ndlp); if (evt == NLP_EVT_RCV_LOGO) { lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); @@ -727,8 +689,7 @@ lpfc_rcv_els_plogi_issue(struct lpfc_hba * phba, spin_unlock_irq(phba->host->host_lock); ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); return ndlp->nlp_state; } @@ -803,32 +764,26 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba, goto out; lpfc_unreg_rpi(phba, ndlp); - if (lpfc_reg_login - (phba, irsp->un.elsreq64.remoteID, - (uint8_t *) sp, mbox, 0) == 0) { + if (lpfc_reg_login(phba, irsp->un.elsreq64.remoteID, (uint8_t *) sp, + mbox, 0) == 0) { switch (ndlp->nlp_DID) { case NameServer_DID: - mbox->mbox_cmpl = - lpfc_mbx_cmpl_ns_reg_login; + mbox->mbox_cmpl = lpfc_mbx_cmpl_ns_reg_login; break; case FDMI_DID: - mbox->mbox_cmpl = - lpfc_mbx_cmpl_fdmi_reg_login; + mbox->mbox_cmpl = lpfc_mbx_cmpl_fdmi_reg_login; break; default: - mbox->mbox_cmpl = - lpfc_mbx_cmpl_reg_login; + mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; } - mbox->context2 = ndlp; + mbox->context2 = lpfc_nlp_get(ndlp); if (lpfc_sli_issue_mbox(phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)) != MBX_NOT_FINISHED) { - ndlp->nlp_state = - NLP_STE_REG_LOGIN_ISSUE; - lpfc_nlp_list(phba, ndlp, - NLP_REGLOGIN_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_REG_LOGIN_ISSUE); return ndlp->nlp_state; } + lpfc_nlp_put(ndlp); mp = (struct lpfc_dmabuf *)mbox->context1; lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); @@ -841,7 +796,7 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba, out: /* Free this node since the driver cannot login or has the wrong sparm */ - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + lpfc_drop_node(phba, ndlp); return NLP_STE_FREED_NODE; } @@ -855,9 +810,9 @@ lpfc_device_rm_plogi_issue(struct lpfc_hba * phba, } else { /* software abort outstanding PLOGI */ - lpfc_els_abort(phba, ndlp, 1); + lpfc_els_abort(phba, ndlp); - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + lpfc_drop_node(phba, ndlp); return NLP_STE_FREED_NODE; } } @@ -868,11 +823,10 @@ lpfc_device_recov_plogi_issue(struct lpfc_hba * phba, uint32_t evt) { /* software abort outstanding PLOGI */ - lpfc_els_abort(phba, ndlp, 1); + lpfc_els_abort(phba, ndlp); ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); spin_lock_irq(phba->host->host_lock); ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); spin_unlock_irq(phba->host->host_lock); @@ -888,7 +842,7 @@ lpfc_rcv_plogi_adisc_issue(struct lpfc_hba * phba, struct lpfc_iocbq *cmdiocb; /* software abort outstanding ADISC */ - lpfc_els_abort(phba, ndlp, 1); + lpfc_els_abort(phba, ndlp); cmdiocb = (struct lpfc_iocbq *) arg; @@ -896,8 +850,7 @@ lpfc_rcv_plogi_adisc_issue(struct lpfc_hba * phba, return ndlp->nlp_state; } ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; - ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_PLOGI_ISSUE); lpfc_issue_els_plogi(phba, ndlp->nlp_DID, 0); return ndlp->nlp_state; @@ -926,7 +879,7 @@ lpfc_rcv_logo_adisc_issue(struct lpfc_hba * phba, cmdiocb = (struct lpfc_iocbq *) arg; /* software abort outstanding ADISC */ - lpfc_els_abort(phba, ndlp, 0); + lpfc_els_abort(phba, ndlp); lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO); return ndlp->nlp_state; @@ -987,20 +940,17 @@ lpfc_cmpl_adisc_adisc_issue(struct lpfc_hba * phba, memset(&ndlp->nlp_portname, 0, sizeof (struct lpfc_name)); ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); lpfc_unreg_rpi(phba, ndlp); return ndlp->nlp_state; } if (ndlp->nlp_type & NLP_FCP_TARGET) { ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; - ndlp->nlp_state = NLP_STE_MAPPED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_MAPPED_NODE); } else { ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; - ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_UNMAPPED_NODE); } return ndlp->nlp_state; } @@ -1016,9 +966,9 @@ lpfc_device_rm_adisc_issue(struct lpfc_hba * phba, } else { /* software abort outstanding ADISC */ - lpfc_els_abort(phba, ndlp, 1); + lpfc_els_abort(phba, ndlp); - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + lpfc_drop_node(phba, ndlp); return NLP_STE_FREED_NODE; } } @@ -1029,11 +979,10 @@ lpfc_device_recov_adisc_issue(struct lpfc_hba * phba, uint32_t evt) { /* software abort outstanding ADISC */ - lpfc_els_abort(phba, ndlp, 1); + lpfc_els_abort(phba, ndlp); ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); spin_lock_irq(phba->host->host_lock); ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); ndlp->nlp_flag |= NLP_NPR_ADISC; @@ -1074,9 +1023,36 @@ lpfc_rcv_logo_reglogin_issue(struct lpfc_hba * phba, uint32_t evt) { struct lpfc_iocbq *cmdiocb; + LPFC_MBOXQ_t *mb; + LPFC_MBOXQ_t *nextmb; + struct lpfc_dmabuf *mp; cmdiocb = (struct lpfc_iocbq *) arg; + /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ + if ((mb = phba->sli.mbox_active)) { + if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && + (ndlp == (struct lpfc_nodelist *) mb->context2)) { + mb->context2 = NULL; + mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + } + } + + spin_lock_irq(phba->host->host_lock); + list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { + if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && + (ndlp == (struct lpfc_nodelist *) mb->context2)) { + mp = (struct lpfc_dmabuf *) (mb->context1); + if (mp) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + } + list_del(&mb->list); + mempool_free(mb, phba->mbox_mem_pool); + } + } + spin_unlock_irq(phba->host->host_lock); + lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO); return ndlp->nlp_state; } @@ -1133,8 +1109,7 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_hba * phba, */ if (mb->mbxStatus == MBXERR_RPI_FULL) { ndlp->nlp_prev_state = NLP_STE_UNUSED_NODE; - ndlp->nlp_state = NLP_STE_UNUSED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_UNUSED_NODE); return ndlp->nlp_state; } @@ -1147,8 +1122,7 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_hba * phba, lpfc_issue_els_logo(phba, ndlp, 0); ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); return ndlp->nlp_state; } @@ -1157,13 +1131,11 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_hba * phba, /* Only if we are not a fabric nport do we issue PRLI */ if (!(ndlp->nlp_type & NLP_FABRIC)) { ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; - ndlp->nlp_state = NLP_STE_PRLI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_PRLI_ISSUE); lpfc_issue_els_prli(phba, ndlp, 0); } else { ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; - ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_UNMAPPED_NODE); } return ndlp->nlp_state; } @@ -1178,7 +1150,7 @@ lpfc_device_rm_reglogin_issue(struct lpfc_hba * phba, return ndlp->nlp_state; } else { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + lpfc_drop_node(phba, ndlp); return NLP_STE_FREED_NODE; } } @@ -1189,8 +1161,7 @@ lpfc_device_recov_reglogin_issue(struct lpfc_hba * phba, uint32_t evt) { ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); spin_lock_irq(phba->host->host_lock); ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); spin_unlock_irq(phba->host->host_lock); @@ -1230,7 +1201,7 @@ lpfc_rcv_logo_prli_issue(struct lpfc_hba * phba, cmdiocb = (struct lpfc_iocbq *) arg; /* Software abort outstanding PRLI before sending acc */ - lpfc_els_abort(phba, ndlp, 1); + lpfc_els_abort(phba, ndlp); lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO); return ndlp->nlp_state; @@ -1279,8 +1250,7 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_hba * phba, irsp = &rspiocb->iocb; if (irsp->ulpStatus) { ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; - ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_UNMAPPED_NODE); return ndlp->nlp_state; } @@ -1298,8 +1268,7 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_hba * phba, } ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; - ndlp->nlp_state = NLP_STE_MAPPED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_MAPPED_NODE); return ndlp->nlp_state; } @@ -1330,9 +1299,9 @@ lpfc_device_rm_prli_issue(struct lpfc_hba * phba, } else { /* software abort outstanding PLOGI */ - lpfc_els_abort(phba, ndlp, 1); + lpfc_els_abort(phba, ndlp); - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + lpfc_drop_node(phba, ndlp); return NLP_STE_FREED_NODE; } } @@ -1359,11 +1328,10 @@ lpfc_device_recov_prli_issue(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) { /* software abort outstanding PRLI */ - lpfc_els_abort(phba, ndlp, 1); + lpfc_els_abort(phba, ndlp); ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); spin_lock_irq(phba->host->host_lock); ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); spin_unlock_irq(phba->host->host_lock); @@ -1436,8 +1404,7 @@ lpfc_device_recov_unmap_node(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) { ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE; - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); lpfc_disc_set_adisc(phba, ndlp); @@ -1518,8 +1485,7 @@ lpfc_device_recov_mapped_node(struct lpfc_hba * phba, uint32_t evt) { ndlp->nlp_prev_state = NLP_STE_MAPPED_NODE; - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); spin_lock_irq(phba->host->host_lock); ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); spin_unlock_irq(phba->host->host_lock); @@ -1551,8 +1517,7 @@ lpfc_rcv_plogi_npr_node(struct lpfc_hba * phba, /* send PLOGI immediately, move to PLOGI issue state */ if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { ndlp->nlp_prev_state = NLP_STE_NPR_NODE; - ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_PLOGI_ISSUE); lpfc_issue_els_plogi(phba, ndlp->nlp_DID, 0); } @@ -1580,16 +1545,13 @@ lpfc_rcv_prli_npr_node(struct lpfc_hba * phba, ndlp->nlp_flag &= ~NLP_NPR_ADISC; spin_unlock_irq(phba->host->host_lock); ndlp->nlp_prev_state = NLP_STE_NPR_NODE; - ndlp->nlp_state = NLP_STE_ADISC_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_ADISC_ISSUE); lpfc_issue_els_adisc(phba, ndlp, 0); } else { ndlp->nlp_prev_state = NLP_STE_NPR_NODE; - ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_PLOGI_ISSUE); lpfc_issue_els_plogi(phba, ndlp->nlp_DID, 0); } - } return ndlp->nlp_state; } @@ -1627,13 +1589,11 @@ lpfc_rcv_padisc_npr_node(struct lpfc_hba * phba, !(ndlp->nlp_flag & NLP_NPR_2B_DISC)){ if (ndlp->nlp_flag & NLP_NPR_ADISC) { ndlp->nlp_prev_state = NLP_STE_NPR_NODE; - ndlp->nlp_state = NLP_STE_ADISC_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_ADISC_ISSUE); lpfc_issue_els_adisc(phba, ndlp, 0); } else { ndlp->nlp_prev_state = NLP_STE_NPR_NODE; - ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_nlp_set_state(phba, ndlp, NLP_STE_PLOGI_ISSUE); lpfc_issue_els_plogi(phba, ndlp->nlp_DID, 0); } } @@ -1682,7 +1642,7 @@ lpfc_cmpl_plogi_npr_node(struct lpfc_hba * phba, irsp = &rspiocb->iocb; if (irsp->ulpStatus) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + lpfc_drop_node(phba, ndlp); return NLP_STE_FREED_NODE; } return ndlp->nlp_state; @@ -1700,7 +1660,7 @@ lpfc_cmpl_prli_npr_node(struct lpfc_hba * phba, irsp = &rspiocb->iocb; if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + lpfc_drop_node(phba, ndlp); return NLP_STE_FREED_NODE; } return ndlp->nlp_state; @@ -1728,7 +1688,7 @@ lpfc_cmpl_adisc_npr_node(struct lpfc_hba * phba, irsp = &rspiocb->iocb; if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + lpfc_drop_node(phba, ndlp); return NLP_STE_FREED_NODE; } return ndlp->nlp_state; @@ -1749,7 +1709,7 @@ lpfc_cmpl_reglogin_npr_node(struct lpfc_hba * phba, ndlp->nlp_rpi = mb->un.varWords[0]; else { if (ndlp->nlp_flag & NLP_NODEV_REMOVE) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + lpfc_drop_node(phba, ndlp); return NLP_STE_FREED_NODE; } } @@ -1765,7 +1725,7 @@ lpfc_device_rm_npr_node(struct lpfc_hba * phba, ndlp->nlp_flag |= NLP_NODEV_REMOVE; return ndlp->nlp_state; } - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + lpfc_drop_node(phba, ndlp); return NLP_STE_FREED_NODE; } @@ -1964,7 +1924,7 @@ lpfc_disc_state_machine(struct lpfc_hba * phba, uint32_t(*func) (struct lpfc_hba *, struct lpfc_nodelist *, void *, uint32_t); - ndlp->nlp_disc_refcnt++; + lpfc_nlp_get(ndlp); cur_state = ndlp->nlp_state; /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */ @@ -1987,18 +1947,7 @@ lpfc_disc_state_machine(struct lpfc_hba * phba, phba->brd_no, rc, ndlp->nlp_DID, ndlp->nlp_flag); - ndlp->nlp_disc_refcnt--; + lpfc_nlp_put(ndlp); - /* Check to see if ndlp removal is deferred */ - if ((ndlp->nlp_disc_refcnt == 0) - && (ndlp->nlp_flag & NLP_DELAY_REMOVE)) { - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_DELAY_REMOVE; - spin_unlock_irq(phba->host->host_lock); - lpfc_nlp_remove(phba, ndlp); - return NLP_STE_FREED_NODE; - } - if (rc == NLP_STE_FREED_NODE) - return NLP_STE_FREED_NODE; return rc; } diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index c3e68e0..9a12d05 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2006 Emulex. All rights reserved. * + * Copyright (C) 2004-2007 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -146,6 +146,10 @@ lpfc_get_scsi_buf(struct lpfc_hba * phba) spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag); list_remove_head(scsi_buf_list, lpfc_cmd, struct lpfc_scsi_buf, list); + if (lpfc_cmd) { + lpfc_cmd->seg_cnt = 0; + lpfc_cmd->nonsg_phys = 0; + } spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag); return lpfc_cmd; } @@ -288,13 +292,13 @@ lpfc_scsi_unprep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * psb) } static void -lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd) +lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd, struct lpfc_iocbq *rsp_iocb) { struct scsi_cmnd *cmnd = lpfc_cmd->pCmd; struct fcp_cmnd *fcpcmd = lpfc_cmd->fcp_cmnd; struct fcp_rsp *fcprsp = lpfc_cmd->fcp_rsp; struct lpfc_hba *phba = lpfc_cmd->scsi_hba; - uint32_t fcpi_parm = lpfc_cmd->cur_iocbq.iocb.un.fcpi.fcpi_parm; + uint32_t fcpi_parm = rsp_iocb->iocb.un.fcpi.fcpi_parm; uint32_t resp_info = fcprsp->rspStatus2; uint32_t scsi_status = fcprsp->rspStatus3; uint32_t *lp; @@ -356,6 +360,24 @@ lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd) fcpi_parm, cmnd->cmnd[0], cmnd->underflow); /* + * If there is an under run check if under run reported by + * storage array is same as the under run reported by HBA. + * If this is not same, there is a dropped frame. + */ + if ((cmnd->sc_data_direction == DMA_FROM_DEVICE) && + fcpi_parm && + (cmnd->resid != fcpi_parm)) { + lpfc_printf_log(phba, KERN_WARNING, + LOG_FCP | LOG_FCP_ERROR, + "%d:0735 FCP Read Check Error and Underrun " + "Data: x%x x%x x%x x%x\n", phba->brd_no, + be32_to_cpu(fcpcmd->fcpDl), + cmnd->resid, + fcpi_parm, cmnd->cmnd[0]); + cmnd->resid = cmnd->request_bufflen; + host_status = DID_ERROR; + } + /* * The cmnd->underflow is the minimum number of bytes that must * be transfered for this command. Provided a sense condition * is not present, make sure the actual amount transferred is at @@ -435,7 +457,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, switch (lpfc_cmd->status) { case IOSTAT_FCP_RSP_ERROR: /* Call FCP RSP handler to determine result */ - lpfc_handle_fcp_err(lpfc_cmd); + lpfc_handle_fcp_err(lpfc_cmd,pIocbOut); break; case IOSTAT_NPORT_BSY: case IOSTAT_FABRIC_BSY: @@ -466,10 +488,10 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, result = cmd->result; sdev = cmd->device; + lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd); cmd->scsi_done(cmd); if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { - lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd); lpfc_release_scsi_buf(phba, lpfc_cmd); return; } @@ -527,7 +549,6 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, } } - lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd); lpfc_release_scsi_buf(phba, lpfc_cmd); } @@ -670,6 +691,18 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba, return (1); } +static void +lpfc_tskmgmt_def_cmpl(struct lpfc_hba *phba, + struct lpfc_iocbq *cmdiocbq, + struct lpfc_iocbq *rspiocbq) +{ + struct lpfc_scsi_buf *lpfc_cmd = + (struct lpfc_scsi_buf *) cmdiocbq->context1; + if (lpfc_cmd) + lpfc_release_scsi_buf(phba, lpfc_cmd); + return; +} + static int lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba, unsigned tgt_id, unsigned int lun, @@ -706,8 +739,9 @@ lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba, &phba->sli.ring[phba->sli.fcp_ring], iocbq, iocbqrsp, lpfc_cmd->timeout); if (ret != IOCB_SUCCESS) { + if (ret == IOCB_TIMEDOUT) + iocbq->iocb_cmpl = lpfc_tskmgmt_def_cmpl; lpfc_cmd->status = IOSTAT_DRIVER_REJECT; - ret = FAILED; } else { ret = SUCCESS; lpfc_cmd->result = iocbqrsp->iocb.un.ulpWord[4]; @@ -974,7 +1008,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd) } static int -lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) +lpfc_device_reset_handler(struct scsi_cmnd *cmnd) { struct Scsi_Host *shost = cmnd->device->host; struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata; @@ -984,6 +1018,7 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) struct lpfc_nodelist *pnode = rdata->pnode; uint32_t cmd_result = 0, cmd_status = 0; int ret = FAILED; + int iocb_status = IOCB_SUCCESS; int cnt, loopcnt; lpfc_block_error_handler(cmnd); @@ -995,7 +1030,7 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) */ while ( 1 ) { if (!pnode) - return FAILED; + goto out; if (pnode->nlp_state != NLP_STE_MAPPED_NODE) { spin_unlock_irq(phba->host->host_lock); @@ -1013,7 +1048,7 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) } pnode = rdata->pnode; if (!pnode) - return FAILED; + goto out; } if (pnode->nlp_state == NLP_STE_MAPPED_NODE) break; @@ -1028,7 +1063,7 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) lpfc_cmd->rdata = rdata; ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, cmnd->device->lun, - FCP_LUN_RESET); + FCP_TARGET_RESET); if (!ret) goto out_free_scsi_buf; @@ -1040,16 +1075,21 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) goto out_free_scsi_buf; lpfc_printf_log(phba, KERN_INFO, LOG_FCP, - "%d:0703 Issue LUN Reset to TGT %d LUN %d " - "Data: x%x x%x\n", phba->brd_no, cmnd->device->id, + "%d:0703 Issue target reset to TGT %d LUN %d rpi x%x " + "nlp_flag x%x\n", phba->brd_no, cmnd->device->id, cmnd->device->lun, pnode->nlp_rpi, pnode->nlp_flag); - ret = lpfc_sli_issue_iocb_wait(phba, + iocb_status = lpfc_sli_issue_iocb_wait(phba, &phba->sli.ring[phba->sli.fcp_ring], iocbq, iocbqrsp, lpfc_cmd->timeout); - if (ret == IOCB_SUCCESS) - ret = SUCCESS; + if (iocb_status == IOCB_TIMEDOUT) + iocbq->iocb_cmpl = lpfc_tskmgmt_def_cmpl; + + if (iocb_status == IOCB_SUCCESS) + ret = SUCCESS; + else + ret = iocb_status; cmd_result = iocbqrsp->iocb.un.ulpWord[4]; cmd_status = iocbqrsp->iocb.ulpStatus; @@ -1087,18 +1127,19 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) if (cnt) { lpfc_printf_log(phba, KERN_ERR, LOG_FCP, - "%d:0719 LUN Reset I/O flush failure: cnt x%x\n", + "%d:0719 device reset I/O flush failure: cnt x%x\n", phba->brd_no, cnt); ret = FAILED; } out_free_scsi_buf: - lpfc_release_scsi_buf(phba, lpfc_cmd); - + if (iocb_status != IOCB_TIMEDOUT) { + lpfc_release_scsi_buf(phba, lpfc_cmd); + } lpfc_printf_log(phba, KERN_ERR, LOG_FCP, - "%d:0713 SCSI layer issued LUN reset (%d, %d) " - "Data: x%x x%x x%x\n", - phba->brd_no, cmnd->device->id,cmnd->device->lun, + "%d:0713 SCSI layer issued device reset (%d, %d) " + "return x%x status x%x result x%x\n", + phba->brd_no, cmnd->device->id, cmnd->device->lun, ret, cmd_status, cmd_result); out: @@ -1107,7 +1148,7 @@ out: } static int -lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) +lpfc_bus_reset_handler(struct scsi_cmnd *cmnd) { struct Scsi_Host *shost = cmnd->device->host; struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata; @@ -1134,10 +1175,12 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) * fail, this routine returns failure to the midlayer. */ for (i = 0; i < LPFC_MAX_TARGET; i++) { - /* Search the mapped list for this target ID */ + /* Search for mapped node by target ID */ match = 0; - list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) { - if ((i == ndlp->nlp_sid) && ndlp->rport) { + list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) { + if (ndlp->nlp_state == NLP_STE_MAPPED_NODE && + i == ndlp->nlp_sid && + ndlp->rport) { match = 1; break; } @@ -1152,13 +1195,17 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) "%d:0700 Bus Reset on target %d failed\n", phba->brd_no, i); err_count++; + break; } } + if (ret != IOCB_TIMEDOUT) + lpfc_release_scsi_buf(phba, lpfc_cmd); + if (err_count == 0) ret = SUCCESS; - - lpfc_release_scsi_buf(phba, lpfc_cmd); + else + ret = FAILED; /* * All outstanding txcmplq I/Os should have been aborted by @@ -1299,11 +1346,13 @@ struct scsi_host_template lpfc_template = { .info = lpfc_info, .queuecommand = lpfc_queuecommand, .eh_abort_handler = lpfc_abort_handler, - .eh_device_reset_handler= lpfc_reset_lun_handler, - .eh_bus_reset_handler = lpfc_reset_bus_handler, + .eh_device_reset_handler= lpfc_device_reset_handler, + .eh_bus_reset_handler = lpfc_bus_reset_handler, .slave_alloc = lpfc_slave_alloc, .slave_configure = lpfc_slave_configure, .slave_destroy = lpfc_slave_destroy, + .scan_finished = lpfc_scan_finished, + .scan_start = lpfc_scan_start, .this_id = -1, .sg_tablesize = LPFC_SG_SEG_CNT, .cmd_per_lun = LPFC_CMD_PER_LUN, diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 9fb6960..a1e7214 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2006 Emulex. All rights reserved. * + * Copyright (C) 2004-2007 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -528,6 +528,7 @@ lpfc_sli_wake_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) * If pdone_q is empty, the driver thread gave up waiting and * continued running. */ + pmboxq->mbox_flag |= LPFC_MBX_WAKE; pdone_q = (wait_queue_head_t *) pmboxq->context1; if (pdone_q) wake_up_interruptible(pdone_q); @@ -538,11 +539,32 @@ void lpfc_sli_def_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) { struct lpfc_dmabuf *mp; + uint16_t rpi; + int rc; + mp = (struct lpfc_dmabuf *) (pmb->context1); + if (mp) { lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); } + + /* + * If a REG_LOGIN succeeded after node is destroyed or node + * is in re-discovery driver need to cleanup the RPI. + */ + if (!(phba->fc_flag & FC_UNLOADING) && + (pmb->mb.mbxCommand == MBX_REG_LOGIN64) && + (!pmb->mb.mbxStatus)) { + + rpi = pmb->mb.un.varWords[0]; + lpfc_unreg_login(phba, rpi, pmb); + pmb->mbox_cmpl=lpfc_sli_def_mbox_cmpl; + rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); + if (rc != MBX_NOT_FINISHED) + return; + } + mempool_free( pmb, phba->mbox_mem_pool); return; } @@ -693,25 +715,8 @@ lpfc_sli_handle_mb_event(struct lpfc_hba * phba) } else { spin_unlock_irq(phba->host->host_lock); /* Turn on IOCB processing */ - for (i = 0; i < phba->sli.num_rings; i++) { + for (i = 0; i < phba->sli.num_rings; i++) lpfc_sli_turn_on_ring(phba, i); - } - - /* Free any lpfc_dmabuf's waiting for mbox cmd cmpls */ - while (!list_empty(&phba->freebufList)) { - struct lpfc_dmabuf *mp; - - mp = NULL; - list_remove_head((&phba->freebufList), - mp, - struct lpfc_dmabuf, - list); - if (mp) { - lpfc_mbuf_free(phba, mp->virt, - mp->phys); - kfree(mp); - } - } } } while (process_next); @@ -833,6 +838,14 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, * All other are passed to the completion callback. */ if (pring->ringno == LPFC_ELS_RING) { + if (cmdiocbp->iocb_flag & LPFC_DRIVER_ABORTED) { + cmdiocbp->iocb_flag &= + ~LPFC_DRIVER_ABORTED; + saveq->iocb.ulpStatus = + IOSTAT_LOCAL_REJECT; + saveq->iocb.un.ulpWord[4] = + IOERR_SLI_ABORTED; + } spin_unlock_irqrestore(phba->host->host_lock, iflag); (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); @@ -1464,8 +1477,9 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba * phba, int 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 *icmd = NULL, *cmd = NULL; + IOCB_t *cmd = NULL; int errcnt; errcnt = 0; @@ -1474,46 +1488,28 @@ lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) * First do the txq. */ spin_lock_irq(phba->host->host_lock); - list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { - list_del_init(&iocb->list); - if (iocb->iocb_cmpl) { - icmd = &iocb->iocb; - icmd->ulpStatus = IOSTAT_LOCAL_REJECT; - icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - spin_unlock_irq(phba->host->host_lock); - (iocb->iocb_cmpl) (phba, iocb, iocb); - spin_lock_irq(phba->host->host_lock); - } else - lpfc_sli_release_iocbq(phba, iocb); - } + list_splice_init(&pring->txq, &completions); pring->txq_cnt = 0; - INIT_LIST_HEAD(&(pring->txq)); /* Next issue ABTS for everything on the txcmplq */ - list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { - cmd = &iocb->iocb; + list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) + lpfc_sli_issue_abort_iotag(phba, pring, iocb); - /* - * Imediate abort of IOCB, deque and call compl - */ + spin_unlock_irq(phba->host->host_lock); - list_del_init(&iocb->list); - pring->txcmplq_cnt--; + while (!list_empty(&completions)) { + iocb = list_get_first(&completions, struct lpfc_iocbq, list); + cmd = &iocb->iocb; + list_del(&iocb->list); if (iocb->iocb_cmpl) { cmd->ulpStatus = IOSTAT_LOCAL_REJECT; cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - spin_unlock_irq(phba->host->host_lock); (iocb->iocb_cmpl) (phba, iocb, iocb); - spin_lock_irq(phba->host->host_lock); } else lpfc_sli_release_iocbq(phba, iocb); } - INIT_LIST_HEAD(&pring->txcmplq); - pring->txcmplq_cnt = 0; - spin_unlock_irq(phba->host->host_lock); - return errcnt; } @@ -1588,6 +1584,7 @@ void lpfc_reset_barrier(struct lpfc_hba * phba) hc_copy = readl(phba->HCregaddr); writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr); readl(phba->HCregaddr); /* flush */ + phba->fc_flag |= FC_IGNORE_ERATT; if (readl(phba->HAregaddr) & HA_ERATT) { /* Clear Chip error bit */ @@ -1630,6 +1627,7 @@ clear_errat: } restore_hc: + phba->fc_flag &= ~FC_IGNORE_ERATT; writel(hc_copy, phba->HCregaddr); readl(phba->HCregaddr); /* flush */ } @@ -1665,6 +1663,7 @@ lpfc_sli_brdkill(struct lpfc_hba * phba) status &= ~HC_ERINT_ENA; writel(status, phba->HCregaddr); readl(phba->HCregaddr); /* flush */ + phba->fc_flag |= FC_IGNORE_ERATT; spin_unlock_irq(phba->host->host_lock); lpfc_kill_board(phba, pmb); @@ -1674,6 +1673,9 @@ lpfc_sli_brdkill(struct lpfc_hba * phba) if (retval != MBX_SUCCESS) { if (retval != MBX_BUSY) mempool_free(pmb, phba->mbox_mem_pool); + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~FC_IGNORE_ERATT; + spin_unlock_irq(phba->host->host_lock); return 1; } @@ -1700,6 +1702,7 @@ lpfc_sli_brdkill(struct lpfc_hba * phba) } spin_lock_irq(phba->host->host_lock); psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; + phba->fc_flag &= ~FC_IGNORE_ERATT; spin_unlock_irq(phba->host->host_lock); psli->mbox_active = NULL; @@ -1985,42 +1988,6 @@ lpfc_sli_hba_setup_exit: return rc; } -static void -lpfc_mbox_abort(struct lpfc_hba * phba) -{ - LPFC_MBOXQ_t *pmbox; - MAILBOX_t *mb; - - if (phba->sli.mbox_active) { - del_timer_sync(&phba->sli.mbox_tmo); - phba->work_hba_events &= ~WORKER_MBOX_TMO; - pmbox = phba->sli.mbox_active; - mb = &pmbox->mb; - phba->sli.mbox_active = NULL; - if (pmbox->mbox_cmpl) { - mb->mbxStatus = MBX_NOT_FINISHED; - (pmbox->mbox_cmpl) (phba, pmbox); - } - phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; - } - - /* Abort all the non active mailbox commands. */ - spin_lock_irq(phba->host->host_lock); - pmbox = lpfc_mbox_get(phba); - while (pmbox) { - mb = &pmbox->mb; - if (pmbox->mbox_cmpl) { - mb->mbxStatus = MBX_NOT_FINISHED; - spin_unlock_irq(phba->host->host_lock); - (pmbox->mbox_cmpl) (phba, pmbox); - spin_lock_irq(phba->host->host_lock); - } - pmbox = lpfc_mbox_get(phba); - } - spin_unlock_irq(phba->host->host_lock); - return; -} - /*! lpfc_mbox_timeout * * \pre @@ -2055,6 +2022,8 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba) { LPFC_MBOXQ_t *pmbox; MAILBOX_t *mb; + struct lpfc_sli *psli = &phba->sli; + struct lpfc_sli_ring *pring; spin_lock_irq(phba->host->host_lock); if (!(phba->work_hba_events & WORKER_MBOX_TMO)) { @@ -2062,8 +2031,6 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba) return; } - phba->work_hba_events &= ~WORKER_MBOX_TMO; - pmbox = phba->sli.mbox_active; mb = &pmbox->mb; @@ -2078,17 +2045,32 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba) phba->sli.sli_flag, phba->sli.mbox_active); - phba->sli.mbox_active = NULL; - if (pmbox->mbox_cmpl) { - mb->mbxStatus = MBX_NOT_FINISHED; - spin_unlock_irq(phba->host->host_lock); - (pmbox->mbox_cmpl) (phba, pmbox); - spin_lock_irq(phba->host->host_lock); - } - phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; - + /* Setting state unknown so lpfc_sli_abort_iocb_ring + * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing + * it to fail all oustanding SCSI IO. + */ + phba->hba_state = LPFC_STATE_UNKNOWN; + phba->work_hba_events &= ~WORKER_MBOX_TMO; + phba->fc_flag |= FC_ESTABLISH_LINK; + psli->sli_flag &= ~LPFC_SLI2_ACTIVE; spin_unlock_irq(phba->host->host_lock); - lpfc_mbox_abort(phba); + + pring = &psli->ring[psli->fcp_ring]; + lpfc_sli_abort_iocb_ring(phba, pring); + + lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, + "%d:0316 Resetting board due to mailbox timeout\n", + phba->brd_no); + /* + * lpfc_offline calls lpfc_sli_hba_down which will clean up + * on oustanding mailbox commands. + */ + lpfc_offline_prep(phba); + lpfc_offline(phba); + lpfc_sli_brdrestart(phba); + if (lpfc_online(phba) == 0) /* Initialize the HBA */ + mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); + lpfc_unblock_mgmt_io(phba); return; } @@ -2320,9 +2302,7 @@ lpfc_sli_issue_mbox(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmbox, uint32_t flag) spin_unlock_irqrestore(phba->host->host_lock, drvr_flag); - /* Can be in interrupt context, do not sleep */ - /* (or might be called with interrupts disabled) */ - mdelay(1); + msleep(1); spin_lock_irqsave(phba->host->host_lock, drvr_flag); @@ -2430,7 +2410,7 @@ lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, if (unlikely(phba->hba_state == LPFC_LINK_DOWN)) { /* - * Only CREATE_XRI, CLOSE_XRI, ABORT_XRI, and QUE_RING_BUF + * Only CREATE_XRI, CLOSE_XRI, and QUE_RING_BUF * can be issued if the link is not up. */ switch (piocb->iocb.ulpCommand) { @@ -2444,6 +2424,8 @@ lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, piocb->iocb_cmpl = NULL; /*FALLTHROUGH*/ case CMD_CREATE_XRI_CR: + case CMD_CLOSE_XRI_CN: + case CMD_CLOSE_XRI_CX: break; default: goto iocb_busy; @@ -2637,11 +2619,12 @@ lpfc_sli_queue_setup(struct lpfc_hba * phba) int lpfc_sli_hba_down(struct lpfc_hba * phba) { + LIST_HEAD(completions); struct lpfc_sli *psli; struct lpfc_sli_ring *pring; LPFC_MBOXQ_t *pmb; - struct lpfc_iocbq *iocb, *next_iocb; - IOCB_t *icmd = NULL; + struct lpfc_iocbq *iocb; + IOCB_t *cmd = NULL; int i; unsigned long flags = 0; @@ -2649,7 +2632,6 @@ lpfc_sli_hba_down(struct lpfc_hba * phba) lpfc_hba_down_prep(phba); spin_lock_irqsave(phba->host->host_lock, flags); - for (i = 0; i < psli->num_rings; i++) { pring = &psli->ring[i]; pring->flag |= LPFC_DEFERRED_RING_EVENT; @@ -2658,28 +2640,25 @@ lpfc_sli_hba_down(struct lpfc_hba * phba) * Error everything on the txq since these iocbs have not been * given to the FW yet. */ + list_splice_init(&pring->txq, &completions); pring->txq_cnt = 0; - list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { - list_del_init(&iocb->list); - if (iocb->iocb_cmpl) { - icmd = &iocb->iocb; - icmd->ulpStatus = IOSTAT_LOCAL_REJECT; - icmd->un.ulpWord[4] = IOERR_SLI_DOWN; - spin_unlock_irqrestore(phba->host->host_lock, - flags); - (iocb->iocb_cmpl) (phba, iocb, iocb); - spin_lock_irqsave(phba->host->host_lock, flags); - } else - lpfc_sli_release_iocbq(phba, iocb); - } + } + spin_unlock_irqrestore(phba->host->host_lock, flags); - INIT_LIST_HEAD(&(pring->txq)); + while (!list_empty(&completions)) { + iocb = list_get_first(&completions, struct lpfc_iocbq, list); + cmd = &iocb->iocb; + list_del(&iocb->list); + if (iocb->iocb_cmpl) { + cmd->ulpStatus = IOSTAT_LOCAL_REJECT; + cmd->un.ulpWord[4] = IOERR_SLI_DOWN; + (iocb->iocb_cmpl) (phba, iocb, iocb); + } else + lpfc_sli_release_iocbq(phba, iocb); } - spin_unlock_irqrestore(phba->host->host_lock, flags); - /* Return any active mbox cmds */ del_timer_sync(&psli->mbox_tmo); spin_lock_irqsave(phba->host->host_lock, flags); @@ -2768,85 +2747,138 @@ lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } static void -lpfc_sli_abort_elsreq_cmpl(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, - struct lpfc_iocbq * rspiocb) +lpfc_sli_abort_els_cmpl(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, + struct lpfc_iocbq * rspiocb) { - struct lpfc_dmabuf *buf_ptr, *buf_ptr1; - /* Free the resources associated with the ELS_REQUEST64 IOCB the driver - * just aborted. - * In this case, context2 = cmd, context2->next = rsp, context3 = bpl - */ - if (cmdiocb->context2) { - buf_ptr1 = (struct lpfc_dmabuf *) cmdiocb->context2; - - /* Free the response IOCB before completing the abort - command. */ - buf_ptr = NULL; - list_remove_head((&buf_ptr1->list), buf_ptr, - struct lpfc_dmabuf, list); - if (buf_ptr) { - lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); - kfree(buf_ptr); - } - lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys); - kfree(buf_ptr1); - } + IOCB_t *irsp; + uint16_t abort_iotag, abort_context; + struct lpfc_iocbq *abort_iocb, *rsp_ab_iocb; + struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; + + abort_iocb = NULL; + irsp = &rspiocb->iocb; + + spin_lock_irq(phba->host->host_lock); - if (cmdiocb->context3) { - buf_ptr = (struct lpfc_dmabuf *) cmdiocb->context3; - lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); - kfree(buf_ptr); + if (irsp->ulpStatus) { + abort_context = cmdiocb->iocb.un.acxri.abortContextTag; + abort_iotag = cmdiocb->iocb.un.acxri.abortIoTag; + + if (abort_iotag != 0 && abort_iotag <= phba->sli.last_iotag) + abort_iocb = phba->sli.iocbq_lookup[abort_iotag]; + + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "%d:0327 Cannot abort els iocb %p" + " with tag %x context %x\n", + phba->brd_no, abort_iocb, + abort_iotag, abort_context); + + /* + * make sure we have the right iocbq before taking it + * off the txcmplq and try to call completion routine. + */ + if (abort_iocb && + abort_iocb->iocb.ulpContext == abort_context && + abort_iocb->iocb_flag & LPFC_DRIVER_ABORTED) { + list_del(&abort_iocb->list); + pring->txcmplq_cnt--; + + rsp_ab_iocb = lpfc_sli_get_iocbq(phba); + if (rsp_ab_iocb == NULL) + lpfc_sli_release_iocbq(phba, abort_iocb); + else { + abort_iocb->iocb_flag &= + ~LPFC_DRIVER_ABORTED; + rsp_ab_iocb->iocb.ulpStatus = + IOSTAT_LOCAL_REJECT; + rsp_ab_iocb->iocb.un.ulpWord[4] = + IOERR_SLI_ABORTED; + spin_unlock_irq(phba->host->host_lock); + (abort_iocb->iocb_cmpl) + (phba, abort_iocb, rsp_ab_iocb); + spin_lock_irq(phba->host->host_lock); + lpfc_sli_release_iocbq(phba, rsp_ab_iocb); + } + } } lpfc_sli_release_iocbq(phba, cmdiocb); + spin_unlock_irq(phba->host->host_lock); return; } int -lpfc_sli_issue_abort_iotag32(struct lpfc_hba * phba, - struct lpfc_sli_ring * pring, - struct lpfc_iocbq * cmdiocb) +lpfc_sli_issue_abort_iotag(struct lpfc_hba * phba, + struct lpfc_sli_ring * pring, + struct lpfc_iocbq * cmdiocb) { struct lpfc_iocbq *abtsiocbp; IOCB_t *icmd = NULL; IOCB_t *iabt = NULL; + int retval = IOCB_ERROR; + + /* There are certain command types we don't want + * to abort. + */ + icmd = &cmdiocb->iocb; + if ((icmd->ulpCommand == CMD_ABORT_XRI_CN) || + (icmd->ulpCommand == CMD_CLOSE_XRI_CN)) + return 0; + + /* If we're unloading, interrupts are disabled so we + * need to cleanup the iocb here. + */ + if (phba->fc_flag & FC_UNLOADING) + goto abort_iotag_exit; /* issue ABTS for this IOCB based on iotag */ abtsiocbp = lpfc_sli_get_iocbq(phba); if (abtsiocbp == NULL) return 0; + /* This signals the response to set the correct status + * before calling the completion handler. + */ + cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED; + iabt = &abtsiocbp->iocb; - icmd = &cmdiocb->iocb; - switch (icmd->ulpCommand) { - case CMD_ELS_REQUEST64_CR: - /* Even though we abort the ELS command, the firmware may access - * the BPL or other resources before it processes our - * ABORT_MXRI64. Thus we must delay reusing the cmdiocb - * resources till the actual abort request completes. - */ - abtsiocbp->context1 = (void *)((unsigned long)icmd->ulpCommand); - abtsiocbp->context2 = cmdiocb->context2; - abtsiocbp->context3 = cmdiocb->context3; - cmdiocb->context2 = NULL; - cmdiocb->context3 = NULL; - abtsiocbp->iocb_cmpl = lpfc_sli_abort_elsreq_cmpl; - break; - default: - lpfc_sli_release_iocbq(phba, abtsiocbp); - return 0; - } + iabt->un.acxri.abortType = ABORT_TYPE_ABTS; + iabt->un.acxri.abortContextTag = icmd->ulpContext; + iabt->un.acxri.abortIoTag = icmd->ulpIoTag; + iabt->ulpLe = 1; + iabt->ulpClass = icmd->ulpClass; - iabt->un.amxri.abortType = ABORT_TYPE_ABTS; - iabt->un.amxri.iotag32 = icmd->un.elsreq64.bdl.ulpIoTag32; + if (phba->hba_state >= LPFC_LINK_UP) + iabt->ulpCommand = CMD_ABORT_XRI_CN; + else + iabt->ulpCommand = CMD_CLOSE_XRI_CN; - iabt->ulpLe = 1; - iabt->ulpClass = CLASS3; - iabt->ulpCommand = CMD_ABORT_MXRI64_CN; + abtsiocbp->iocb_cmpl = lpfc_sli_abort_els_cmpl; - if (lpfc_sli_issue_iocb(phba, pring, abtsiocbp, 0) == IOCB_ERROR) { - lpfc_sli_release_iocbq(phba, abtsiocbp); - return 0; + lpfc_printf_log(phba, KERN_INFO, LOG_SLI, + "%d:0339 Abort xri x%x, original iotag x%x, abort " + "cmd iotag x%x\n", + phba->brd_no, iabt->un.acxri.abortContextTag, + iabt->un.acxri.abortIoTag, abtsiocbp->iotag); + retval = lpfc_sli_issue_iocb(phba, pring, abtsiocbp, 0); + +abort_iotag_exit: + + /* If we could not issue an abort dequeue the iocb and handle + * the completion here. + */ + if (retval == IOCB_ERROR) { + list_del(&cmdiocb->list); + pring->txcmplq_cnt--; + + if (cmdiocb->iocb_cmpl) { + icmd->ulpStatus = IOSTAT_LOCAL_REJECT; + icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; + spin_unlock_irq(phba->host->host_lock); + (cmdiocb->iocb_cmpl) (phba, cmdiocb, cmdiocb); + spin_lock_irq(phba->host->host_lock); + } else + lpfc_sli_release_iocbq(phba, cmdiocb); } return 1; @@ -2918,9 +2950,11 @@ void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, struct lpfc_iocbq * rspiocb) { - spin_lock_irq(phba->host->host_lock); + unsigned long iflags; + + spin_lock_irqsave(phba->host->host_lock, iflags); lpfc_sli_release_iocbq(phba, cmdiocb); - spin_unlock_irq(phba->host->host_lock); + spin_unlock_irqrestore(phba->host->host_lock, iflags); return; } @@ -3043,22 +3077,22 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba, timeout_req); spin_lock_irq(phba->host->host_lock); - if (timeleft == 0) { + if (piocb->iocb_flag & LPFC_IO_WAKE) { + lpfc_printf_log(phba, KERN_INFO, LOG_SLI, + "%d:0331 IOCB wake signaled\n", + phba->brd_no); + } else if (timeleft == 0) { lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "%d:0338 IOCB wait timeout error - no " "wake response Data x%x\n", phba->brd_no, timeout); retval = IOCB_TIMEDOUT; - } else if (!(piocb->iocb_flag & LPFC_IO_WAKE)) { + } else { lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "%d:0330 IOCB wake NOT set, " "Data x%x x%lx\n", phba->brd_no, timeout, (timeleft / jiffies)); retval = IOCB_TIMEDOUT; - } else { - lpfc_printf_log(phba, KERN_INFO, LOG_SLI, - "%d:0331 IOCB wake signaled\n", - phba->brd_no); } } else { lpfc_printf_log(phba, KERN_INFO, LOG_SLI, @@ -3087,8 +3121,6 @@ lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq, uint32_t timeout) { DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); - DECLARE_WAITQUEUE(wq_entry, current); - uint32_t timeleft = 0; int retval; /* The caller must leave context1 empty. */ @@ -3101,27 +3133,25 @@ lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq, /* setup context field to pass wait_queue pointer to wake function */ pmboxq->context1 = &done_q; - /* start to sleep before we wait, to avoid races */ - set_current_state(TASK_INTERRUPTIBLE); - add_wait_queue(&done_q, &wq_entry); - /* now issue the command */ retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); if (retval == MBX_BUSY || retval == MBX_SUCCESS) { - timeleft = schedule_timeout(timeout * HZ); + wait_event_interruptible_timeout(done_q, + pmboxq->mbox_flag & LPFC_MBX_WAKE, + timeout * HZ); + pmboxq->context1 = NULL; - /* if schedule_timeout returns 0, we timed out and were not - woken up */ - if ((timeleft == 0) || signal_pending(current)) - retval = MBX_TIMEOUT; - else + /* + * if LPFC_MBX_WAKE flag is set the mailbox is completed + * else do not free the resources. + */ + if (pmboxq->mbox_flag & LPFC_MBX_WAKE) retval = MBX_SUCCESS; + else + retval = MBX_TIMEOUT; } - - set_current_state(TASK_RUNNING); - remove_wait_queue(&done_q, &wq_entry); return retval; } @@ -3184,6 +3214,11 @@ lpfc_intr_handler(int irq, void *dev_id) */ spin_lock(phba->host->host_lock); ha_copy = readl(phba->HAregaddr); + /* If somebody is waiting to handle an eratt don't process it + * here. The brdkill function will do this. + */ + if (phba->fc_flag & FC_IGNORE_ERATT) + ha_copy &= ~HA_ERATT; writel((ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); readl(phba->HAregaddr); /* flush */ spin_unlock(phba->host->host_lock); diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h index a435499..41c38d3 100644 --- a/drivers/scsi/lpfc/lpfc_sli.h +++ b/drivers/scsi/lpfc/lpfc_sli.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2006 Emulex. All rights reserved. * + * Copyright (C) 2004-2007 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * * @@ -39,9 +39,10 @@ struct lpfc_iocbq { IOCB_t iocb; /* IOCB cmd */ uint8_t retry; /* retry counter for IOCB cmd - if needed */ uint8_t iocb_flag; -#define LPFC_IO_LIBDFC 1 /* libdfc iocb */ -#define LPFC_IO_WAKE 2 /* High Priority Queue signal flag */ -#define LPFC_IO_FCP 4 /* FCP command -- iocbq in scsi_buf */ +#define LPFC_IO_LIBDFC 1 /* libdfc iocb */ +#define LPFC_IO_WAKE 2 /* High Priority Queue signal flag */ +#define LPFC_IO_FCP 4 /* FCP command -- iocbq in scsi_buf */ +#define LPFC_DRIVER_ABORTED 8 /* driver aborted this request */ uint8_t abort_count; uint8_t rsvd2; @@ -67,6 +68,8 @@ struct lpfc_iocbq { #define IOCB_ERROR 2 #define IOCB_TIMEDOUT 3 +#define LPFC_MBX_WAKE 1 + typedef struct lpfcMboxq { /* MBOXQs are used in single linked lists */ struct list_head list; /* ptr to next mailbox command */ @@ -75,6 +78,7 @@ typedef struct lpfcMboxq { void *context2; /* caller context information */ void (*mbox_cmpl) (struct lpfc_hba *, struct lpfcMboxq *); + uint8_t mbox_flag; } LPFC_MBOXQ_t; diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index a61ef3d1..92a9107 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) 2004-2006 Emulex. All rights reserved. * + * Copyright (C) 2004-2007 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * * @@ -18,12 +18,12 @@ * included with this package. * *******************************************************************/ -#define LPFC_DRIVER_VERSION "8.1.11" +#define LPFC_DRIVER_VERSION "8.1.12" #define LPFC_DRIVER_NAME "lpfc" #define LPFC_MODULE_DESC "Emulex LightPulse Fibre Channel SCSI driver " \ LPFC_DRIVER_VERSION -#define LPFC_COPYRIGHT "Copyright(c) 2004-2006 Emulex. All rights reserved." +#define LPFC_COPYRIGHT "Copyright(c) 2004-2007 Emulex. All rights reserved." #define DFC_API_VERSION "0.0.0" diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 7fc6e06..3cce75d 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -1754,7 +1754,8 @@ __mega_busywait_mbox (adapter_t *adapter) for (counter = 0; counter < 10000; counter++) { if (!mbox->m_in.busy) return 0; - udelay(100); yield(); + udelay(100); + cond_resched(); } return -1; /* give up after 1 second */ } @@ -3177,7 +3178,10 @@ proc_rdrv(adapter_t *adapter, char *page, int start, int end ) return len; } - +#else +static inline void mega_create_proc_entry(int index, struct proc_dir_entry *parent) +{ +} #endif @@ -4342,7 +4346,7 @@ mega_support_cluster(adapter_t *adapter) return 0; } - +#ifdef CONFIG_PROC_FS /** * mega_adapinq() * @adapter - pointer to our soft state @@ -4447,7 +4451,7 @@ mega_internal_dev_inquiry(adapter_t *adapter, u8 ch, u8 tgt, return rval; } - +#endif /** * mega_internal_command() @@ -4965,7 +4969,6 @@ megaraid_remove_one(struct pci_dev *pdev) { struct Scsi_Host *host = pci_get_drvdata(pdev); adapter_t *adapter = (adapter_t *)host->hostdata; - char buf[12] = { 0 }; scsi_remove_host(host); @@ -5011,8 +5014,11 @@ megaraid_remove_one(struct pci_dev *pdev) remove_proc_entry("raiddrives-30-39", adapter->controller_proc_dir_entry); #endif - sprintf(buf, "hba%d", adapter->host->host_no); - remove_proc_entry(buf, mega_proc_dir_entry); + { + char buf[12] = { 0 }; + sprintf(buf, "hba%d", adapter->host->host_no); + remove_proc_entry(buf, mega_proc_dir_entry); + } } #endif diff --git a/drivers/scsi/megaraid.h b/drivers/scsi/megaraid.h index c6e7464..ee70bd4 100644 --- a/drivers/scsi/megaraid.h +++ b/drivers/scsi/megaraid.h @@ -1002,7 +1002,6 @@ static int megaraid_reset(Scsi_Cmnd *); static int megaraid_abort_and_reset(adapter_t *, Scsi_Cmnd *, int); static int megaraid_biosparam(struct scsi_device *, struct block_device *, sector_t, int []); -static int mega_print_inquiry(char *, char *); static int mega_build_sglist (adapter_t *adapter, scb_t *scb, u32 *buffer, u32 *length); @@ -1024,6 +1023,7 @@ static int mega_init_scb (adapter_t *); static int mega_is_bios_enabled (adapter_t *); #ifdef CONFIG_PROC_FS +static int mega_print_inquiry(char *, char *); static void mega_create_proc_entry(int, struct proc_dir_entry *); static int proc_read_config(char *, char **, off_t, int, int *, void *); static int proc_read_stat(char *, char **, off_t, int, int *, void *); @@ -1040,10 +1040,10 @@ static int proc_rdrv_20(char *, char **, off_t, int, int *, void *); static int proc_rdrv_30(char *, char **, off_t, int, int *, void *); static int proc_rdrv_40(char *, char **, off_t, int, int *, void *); static int proc_rdrv(adapter_t *, char *, int, int); -#endif static int mega_adapinq(adapter_t *, dma_addr_t); static int mega_internal_dev_inquiry(adapter_t *, u8, u8, dma_addr_t); +#endif static int mega_support_ext_cdb(adapter_t *); static mega_passthru* mega_prepare_passthru(adapter_t *, scb_t *, diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c index f33a678..e075a52 100644 --- a/drivers/scsi/megaraid/megaraid_mm.c +++ b/drivers/scsi/megaraid/megaraid_mm.c @@ -60,7 +60,7 @@ EXPORT_SYMBOL(mraid_mm_unregister_adp); EXPORT_SYMBOL(mraid_mm_adapter_app_handle); static int majorno; -static uint32_t drvr_ver = 0x02200206; +static uint32_t drvr_ver = 0x02200207; static int adapters_count_g; static struct list_head adapters_list_g; diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c index cf3666d..e64d1a1 100644 --- a/drivers/scsi/mesh.c +++ b/drivers/scsi/mesh.c @@ -185,7 +185,7 @@ struct mesh_state { * Driver is too messy, we need a few prototypes... */ static void mesh_done(struct mesh_state *ms, int start_next); -static void mesh_interrupt(int irq, void *dev_id); +static void mesh_interrupt(struct mesh_state *ms); static void cmd_complete(struct mesh_state *ms); static void set_dma_cmds(struct mesh_state *ms, struct scsi_cmnd *cmd); static void halt_dma(struct mesh_state *ms); @@ -466,7 +466,7 @@ static void mesh_start_cmd(struct mesh_state *ms, struct scsi_cmnd *cmd) dlog(ms, "intr b4 arb, intr/exc/err/fc=%.8x", MKWORD(mr->interrupt, mr->exception, mr->error, mr->fifo_count)); - mesh_interrupt(0, (void *)ms); + mesh_interrupt(ms); if (ms->phase != arbitrating) return; } @@ -504,7 +504,7 @@ static void mesh_start_cmd(struct mesh_state *ms, struct scsi_cmnd *cmd) dlog(ms, "intr after disresel, intr/exc/err/fc=%.8x", MKWORD(mr->interrupt, mr->exception, mr->error, mr->fifo_count)); - mesh_interrupt(0, (void *)ms); + mesh_interrupt(ms); if (ms->phase != arbitrating) return; dlog(ms, "after intr after disresel, intr/exc/err/fc=%.8x", @@ -1018,10 +1018,11 @@ static void handle_reset(struct mesh_state *ms) static irqreturn_t do_mesh_interrupt(int irq, void *dev_id) { unsigned long flags; - struct Scsi_Host *dev = ((struct mesh_state *)dev_id)->host; + struct mesh_state *ms = dev_id; + struct Scsi_Host *dev = ms->host; spin_lock_irqsave(dev->host_lock, flags); - mesh_interrupt(irq, dev_id); + mesh_interrupt(ms); spin_unlock_irqrestore(dev->host_lock, flags); return IRQ_HANDLED; } @@ -1661,9 +1662,8 @@ static int mesh_queue(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) * handler (do_mesh_interrupt) or by other functions in * exceptional circumstances */ -static void mesh_interrupt(int irq, void *dev_id) +static void mesh_interrupt(struct mesh_state *ms) { - struct mesh_state *ms = (struct mesh_state *) dev_id; volatile struct mesh_regs __iomem *mr = ms->mesh; int intr; diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c index 6777e8a..54d8bdf 100644 --- a/drivers/scsi/qla1280.c +++ b/drivers/scsi/qla1280.c @@ -4293,7 +4293,7 @@ qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->devnum = devnum; /* specifies microcode load address */ #ifdef QLA_64BIT_PTR - if (pci_set_dma_mask(ha->pdev, (dma_addr_t) ~ 0ULL)) { + if (pci_set_dma_mask(ha->pdev, DMA_64BIT_MASK)) { if (pci_set_dma_mask(ha->pdev, DMA_32BIT_MASK)) { printk(KERN_WARNING "scsi(%li): Unable to set a " "suitable DMA mask - aborting\n", ha->host_no); diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 3e296ab..db998d8 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -130,18 +130,17 @@ qla2x00_initialize_adapter(scsi_qla_host_t *ha) int qla2100_pci_config(scsi_qla_host_t *ha) { - uint16_t w, mwi; + int ret; + uint16_t w; uint32_t d; unsigned long flags; struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; pci_set_master(ha->pdev); - mwi = 0; - if (pci_set_mwi(ha->pdev)) - mwi = PCI_COMMAND_INVALIDATE; + ret = pci_set_mwi(ha->pdev); pci_read_config_word(ha->pdev, PCI_COMMAND, &w); - w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); + w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); pci_write_config_word(ha->pdev, PCI_COMMAND, w); /* Reset expansion ROM address decode enable */ @@ -166,22 +165,22 @@ qla2100_pci_config(scsi_qla_host_t *ha) int qla2300_pci_config(scsi_qla_host_t *ha) { - uint16_t w, mwi; + int ret; + uint16_t w; uint32_t d; unsigned long flags = 0; uint32_t cnt; struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; pci_set_master(ha->pdev); - mwi = 0; - if (pci_set_mwi(ha->pdev)) - mwi = PCI_COMMAND_INVALIDATE; + ret = pci_set_mwi(ha->pdev); pci_read_config_word(ha->pdev, PCI_COMMAND, &w); - w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); + w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); if (IS_QLA2322(ha) || IS_QLA6322(ha)) w &= ~PCI_COMMAND_INTX_DISABLE; + pci_write_config_word(ha->pdev, PCI_COMMAND, w); /* * If this is a 2300 card and not 2312, reset the @@ -210,7 +209,7 @@ qla2300_pci_config(scsi_qla_host_t *ha) ha->fb_rev = RD_FB_CMD_REG(ha, reg); if (ha->fb_rev == FPM_2300) - w &= ~PCI_COMMAND_INVALIDATE; + pci_clear_mwi(ha->pdev); /* Deselect FPM registers. */ WRT_REG_WORD(®->ctrl_status, 0x0); @@ -227,7 +226,6 @@ qla2300_pci_config(scsi_qla_host_t *ha) spin_unlock_irqrestore(&ha->hardware_lock, flags); } - pci_write_config_word(ha->pdev, PCI_COMMAND, w); pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); @@ -253,19 +251,18 @@ qla2300_pci_config(scsi_qla_host_t *ha) int qla24xx_pci_config(scsi_qla_host_t *ha) { - uint16_t w, mwi; + int ret; + uint16_t w; uint32_t d; unsigned long flags = 0; struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; int pcix_cmd_reg, pcie_dctl_reg; pci_set_master(ha->pdev); - mwi = 0; - if (pci_set_mwi(ha->pdev)) - mwi = PCI_COMMAND_INVALIDATE; + ret = pci_set_mwi(ha->pdev); pci_read_config_word(ha->pdev, PCI_COMMAND, &w); - w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); + w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); w &= ~PCI_COMMAND_INTX_DISABLE; pci_write_config_word(ha->pdev, PCI_COMMAND, w); @@ -3931,6 +3928,8 @@ qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha) if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) return; + if (!ha->fw_major_version) + return; ret = qla2x00_stop_firmware(ha); for (retries = 5; ret != QLA_SUCCESS && retries ; retries--) { diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index d488561..ca46346 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -1726,6 +1726,17 @@ qla2x00_request_irqs(scsi_qla_host_t *ha) qla_printk(KERN_WARNING, ha, "MSI-X: Falling back-to INTa mode -- %d.\n", ret); skip_msix: + + if (!IS_QLA24XX(ha)) + goto skip_msi; + + ret = pci_enable_msi(ha->pdev); + if (!ret) { + DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n")); + ha->flags.msi_enabled = 1; + } +skip_msi: + ret = request_irq(ha->pdev->irq, ha->isp_ops.intr_handler, IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, ha); if (!ret) { @@ -1746,6 +1757,8 @@ qla2x00_free_irqs(scsi_qla_host_t *ha) if (ha->flags.msix_enabled) qla24xx_disable_msix(ha); - else if (ha->flags.inta_enabled) + else if (ha->flags.inta_enabled) { free_irq(ha->host->irq, ha); + pci_disable_msi(ha->pdev); + } } diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index b78919a..dd076da 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -36,7 +36,7 @@ module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR); MODULE_PARM_DESC(ql2xlogintimeout, "Login timeout value in seconds."); -int qlport_down_retry = 30; +int qlport_down_retry; module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR); MODULE_PARM_DESC(qlport_down_retry, "Maximum number of command retries to a port that returns " @@ -1577,9 +1577,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) goto probe_failed; } - if (qla2x00_initialize_adapter(ha) && - !(ha->device_flags & DFLG_NO_CABLE)) { - + if (qla2x00_initialize_adapter(ha)) { qla_printk(KERN_WARNING, ha, "Failed to initialize adapter\n"); diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h index dc85495..c375a4e 100644 --- a/drivers/scsi/qla2xxx/qla_version.h +++ b/drivers/scsi/qla2xxx/qla_version.h @@ -7,7 +7,7 @@ /* * Driver version */ -#define QLA2XXX_VERSION "8.01.07-k6" +#define QLA2XXX_VERSION "8.01.07-k7" #define QLA_DRIVER_MAJOR_VER 8 #define QLA_DRIVER_MINOR_VER 1 diff --git a/drivers/scsi/qla4xxx/ql4_dbg.c b/drivers/scsi/qla4xxx/ql4_dbg.c index 7b4e077..6437d024 100644 --- a/drivers/scsi/qla4xxx/ql4_dbg.c +++ b/drivers/scsi/qla4xxx/ql4_dbg.c @@ -8,6 +8,8 @@ #include "ql4_def.h" #include <scsi/scsi_dbg.h> +#if 0 + static void qla4xxx_print_srb_info(struct srb * srb) { printk("%s: srb = 0x%p, flags=0x%02x\n", __func__, srb, srb->flags); @@ -195,3 +197,5 @@ void qla4xxx_dump_buffer(void *b, uint32_t size) if (cnt % 16) printk(KERN_DEBUG "\n"); } + +#endif /* 0 */ diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h index e021eb5..5b00cb0 100644 --- a/drivers/scsi/qla4xxx/ql4_glbl.h +++ b/drivers/scsi/qla4xxx/ql4_glbl.h @@ -43,8 +43,6 @@ int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha, uint16_t *tcp_source_port_num, uint16_t *connection_id); -struct ddb_entry * qla4xxx_alloc_ddb(struct scsi_qla_host * ha, - uint32_t fw_ddb_index); int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index, dma_addr_t fw_ddb_entry_dma); @@ -55,18 +53,11 @@ void qla4xxx_get_crash_record(struct scsi_qla_host * ha); struct ddb_entry *qla4xxx_alloc_sess(struct scsi_qla_host *ha); int qla4xxx_add_sess(struct ddb_entry *); void qla4xxx_destroy_sess(struct ddb_entry *ddb_entry); -int qla4xxx_conn_close_sess_logout(struct scsi_qla_host * ha, - uint16_t fw_ddb_index, - uint16_t connection_id, - uint16_t option); -int qla4xxx_clear_database_entry(struct scsi_qla_host * ha, - uint16_t fw_ddb_index); int qla4xxx_is_nvram_configuration_valid(struct scsi_qla_host * ha); int qla4xxx_get_fw_version(struct scsi_qla_host * ha); void qla4xxx_interrupt_service_routine(struct scsi_qla_host * ha, uint32_t intr_status); int qla4xxx_init_rings(struct scsi_qla_host * ha); -void qla4xxx_dump_buffer(void *b, uint32_t size); struct srb * qla4xxx_del_from_active_array(struct scsi_qla_host *ha, uint32_t index); void qla4xxx_srb_compl(struct scsi_qla_host *ha, struct srb *srb); int qla4xxx_reinitialize_ddb_list(struct scsi_qla_host * ha); diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c index b907b06..6365df2 100644 --- a/drivers/scsi/qla4xxx/ql4_init.c +++ b/drivers/scsi/qla4xxx/ql4_init.c @@ -7,9 +7,8 @@ #include "ql4_def.h" -/* - * QLogic ISP4xxx Hardware Support Function Prototypes. - */ +static struct ddb_entry * qla4xxx_alloc_ddb(struct scsi_qla_host *ha, + uint32_t fw_ddb_index); static void ql4xxx_set_mac_number(struct scsi_qla_host *ha) { @@ -48,7 +47,8 @@ static void ql4xxx_set_mac_number(struct scsi_qla_host *ha) * This routine deallocates and unlinks the specified ddb_entry from the * adapter's **/ -void qla4xxx_free_ddb(struct scsi_qla_host *ha, struct ddb_entry *ddb_entry) +static void qla4xxx_free_ddb(struct scsi_qla_host *ha, + struct ddb_entry *ddb_entry) { /* Remove device entry from list */ list_del_init(&ddb_entry->list); @@ -370,9 +370,9 @@ static struct ddb_entry* qla4xxx_get_ddb_entry(struct scsi_qla_host *ha, * must be initialized prior to calling this routine * **/ -int qla4xxx_update_ddb_entry(struct scsi_qla_host *ha, - struct ddb_entry *ddb_entry, - uint32_t fw_ddb_index) +static int qla4xxx_update_ddb_entry(struct scsi_qla_host *ha, + struct ddb_entry *ddb_entry, + uint32_t fw_ddb_index) { struct dev_db_entry *fw_ddb_entry = NULL; dma_addr_t fw_ddb_entry_dma; @@ -450,8 +450,8 @@ int qla4xxx_update_ddb_entry(struct scsi_qla_host *ha, * This routine allocates a ddb_entry, ititializes some values, and * inserts it into the ddb list. **/ -struct ddb_entry * qla4xxx_alloc_ddb(struct scsi_qla_host *ha, - uint32_t fw_ddb_index) +static struct ddb_entry * qla4xxx_alloc_ddb(struct scsi_qla_host *ha, + uint32_t fw_ddb_index) { struct ddb_entry *ddb_entry; diff --git a/drivers/scsi/qla4xxx/ql4_iocb.c b/drivers/scsi/qla4xxx/ql4_iocb.c index d41ce38..a216a17 100644 --- a/drivers/scsi/qla4xxx/ql4_iocb.c +++ b/drivers/scsi/qla4xxx/ql4_iocb.c @@ -19,8 +19,8 @@ * - advances the request_in pointer * - checks for queue full **/ -int qla4xxx_get_req_pkt(struct scsi_qla_host *ha, - struct queue_entry **queue_entry) +static int qla4xxx_get_req_pkt(struct scsi_qla_host *ha, + struct queue_entry **queue_entry) { uint16_t request_in; uint8_t status = QLA_SUCCESS; @@ -62,8 +62,8 @@ int qla4xxx_get_req_pkt(struct scsi_qla_host *ha, * * This routine issues a marker IOCB. **/ -int qla4xxx_send_marker_iocb(struct scsi_qla_host *ha, - struct ddb_entry *ddb_entry, int lun) +static int qla4xxx_send_marker_iocb(struct scsi_qla_host *ha, + struct ddb_entry *ddb_entry, int lun) { struct marker_entry *marker_entry; unsigned long flags = 0; @@ -96,7 +96,7 @@ exit_send_marker: return status; } -struct continuation_t1_entry* qla4xxx_alloc_cont_entry( +static struct continuation_t1_entry* qla4xxx_alloc_cont_entry( struct scsi_qla_host *ha) { struct continuation_t1_entry *cont_entry; @@ -120,7 +120,7 @@ struct continuation_t1_entry* qla4xxx_alloc_cont_entry( return cont_entry; } -uint16_t qla4xxx_calc_request_entries(uint16_t dsds) +static uint16_t qla4xxx_calc_request_entries(uint16_t dsds) { uint16_t iocbs; @@ -133,9 +133,9 @@ uint16_t qla4xxx_calc_request_entries(uint16_t dsds) return iocbs; } -void qla4xxx_build_scsi_iocbs(struct srb *srb, - struct command_t3_entry *cmd_entry, - uint16_t tot_dsds) +static void qla4xxx_build_scsi_iocbs(struct srb *srb, + struct command_t3_entry *cmd_entry, + uint16_t tot_dsds) { struct scsi_qla_host *ha; uint16_t avail_dsds; diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c index 7f28657..f116ff9 100644 --- a/drivers/scsi/qla4xxx/ql4_mbx.c +++ b/drivers/scsi/qla4xxx/ql4_mbx.c @@ -20,9 +20,9 @@ * If outCount is 0, this routine completes successfully WITHOUT waiting * for the mailbox command to complete. **/ -int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount, - uint8_t outCount, uint32_t *mbx_cmd, - uint32_t *mbx_sts) +static int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount, + uint8_t outCount, uint32_t *mbx_cmd, + uint32_t *mbx_sts) { int status = QLA_ERROR; uint8_t i; @@ -170,6 +170,8 @@ mbox_exit: } +#if 0 + /** * qla4xxx_issue_iocb - issue mailbox iocb command * @ha: adapter state pointer. @@ -243,6 +245,8 @@ int qla4xxx_clear_database_entry(struct scsi_qla_host * ha, return QLA_SUCCESS; } +#endif /* 0 */ + /** * qla4xxx_initialize_fw_cb - initializes firmware control block. * @ha: Pointer to host adapter structure. @@ -570,6 +574,7 @@ int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index, return qla4xxx_mailbox_command(ha, 4, 1, &mbox_cmd[0], &mbox_sts[0]); } +#if 0 int qla4xxx_conn_open_session_login(struct scsi_qla_host * ha, uint16_t fw_ddb_index) { @@ -594,6 +599,7 @@ int qla4xxx_conn_open_session_login(struct scsi_qla_host * ha, return status; } +#endif /* 0 */ /** * qla4xxx_get_crash_record - retrieves crash record. @@ -649,6 +655,7 @@ exit_get_crash_record: crash_record, crash_record_dma); } +#if 0 /** * qla4xxx_get_conn_event_log - retrieves connection event log * @ha: Pointer to host adapter structure. @@ -738,6 +745,7 @@ exit_get_event_log: dma_free_coherent(&ha->pdev->dev, event_log_size, event_log, event_log_dma); } +#endif /* 0 */ /** * qla4xxx_reset_lun - issues LUN Reset @@ -834,7 +842,8 @@ int qla4xxx_get_fw_version(struct scsi_qla_host * ha) return QLA_SUCCESS; } -int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, dma_addr_t dma_addr) +static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, + dma_addr_t dma_addr) { uint32_t mbox_cmd[MBOX_REG_COUNT]; uint32_t mbox_sts[MBOX_REG_COUNT]; @@ -855,7 +864,7 @@ int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, dma_addr_t dma_addr) return QLA_SUCCESS; } -int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t *ddb_index) +static int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t *ddb_index) { uint32_t mbox_cmd[MBOX_REG_COUNT]; uint32_t mbox_sts[MBOX_REG_COUNT]; diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 0bfddf8..da21f5f 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -14,7 +14,7 @@ /* * Driver version */ -char qla4xxx_version_str[40]; +static char qla4xxx_version_str[40]; /* * SRB allocation cache @@ -45,8 +45,7 @@ int ql4_mod_unload = 0; /* * SCSI host template entry points */ - -void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha); +static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha); /* * iSCSI template entry points @@ -1352,7 +1351,7 @@ static void __devexit qla4xxx_remove_adapter(struct pci_dev *pdev) * At exit, the @ha's flags.enable_64bit_addressing set to indicated * supported addressing method. */ -void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) +static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) { int retval; @@ -1627,7 +1626,7 @@ static struct pci_device_id qla4xxx_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); -struct pci_driver qla4xxx_pci_driver = { +static struct pci_driver qla4xxx_pci_driver = { .name = DRIVER_NAME, .id_table = qla4xxx_pci_tbl, .probe = qla4xxx_probe_adapter, diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 3963e70..e8350c5 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -38,7 +38,6 @@ #include "scsi_logging.h" #define SENSE_TIMEOUT (10*HZ) -#define START_UNIT_TIMEOUT (30*HZ) /* * These should *probably* be handled by the host itself. @@ -936,7 +935,7 @@ static int scsi_eh_try_stu(struct scsi_cmnd *scmd) for (i = 0; rtn == NEEDS_RETRY && i < 2; i++) rtn = scsi_send_eh_cmnd(scmd, stu_command, 6, - START_UNIT_TIMEOUT, 0); + scmd->device->timeout, 0); if (rtn == SUCCESS) return 0; diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 14c4f06..b4d1ece 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -1718,31 +1718,12 @@ fc_starget_delete(struct work_struct *work) struct fc_rport *rport = container_of(work, struct fc_rport, stgt_delete_work); struct Scsi_Host *shost = rport_to_shost(rport); - unsigned long flags; struct fc_internal *i = to_fc_internal(shost->transportt); - /* - * Involve the LLDD if possible. All io on the rport is to - * be terminated, either as part of the dev_loss_tmo callback - * processing, or via the terminate_rport_io function. - */ - if (i->f->dev_loss_tmo_callbk) - i->f->dev_loss_tmo_callbk(rport); - else if (i->f->terminate_rport_io) + /* Involve the LLDD if possible to terminate all io on the rport. */ + if (i->f->terminate_rport_io) i->f->terminate_rport_io(rport); - spin_lock_irqsave(shost->host_lock, flags); - if (rport->flags & FC_RPORT_DEVLOSS_PENDING) { - spin_unlock_irqrestore(shost->host_lock, flags); - if (!cancel_delayed_work(&rport->fail_io_work)) - fc_flush_devloss(shost); - if (!cancel_delayed_work(&rport->dev_loss_work)) - fc_flush_devloss(shost); - spin_lock_irqsave(shost->host_lock, flags); - rport->flags &= ~FC_RPORT_DEVLOSS_PENDING; - } - spin_unlock_irqrestore(shost->host_lock, flags); - scsi_remove_target(&rport->dev); } @@ -1760,6 +1741,7 @@ fc_rport_final_delete(struct work_struct *work) struct device *dev = &rport->dev; struct Scsi_Host *shost = rport_to_shost(rport); struct fc_internal *i = to_fc_internal(shost->transportt); + unsigned long flags; /* * if a scan is pending, flush the SCSI Host work_q so that @@ -1768,13 +1750,37 @@ fc_rport_final_delete(struct work_struct *work) if (rport->flags & FC_RPORT_SCAN_PENDING) scsi_flush_work(shost); + /* involve the LLDD to terminate all pending i/o */ + if (i->f->terminate_rport_io) + i->f->terminate_rport_io(rport); + + /* + * Cancel any outstanding timers. These should really exist + * only when rmmod'ing the LLDD and we're asking for + * immediate termination of the rports + */ + spin_lock_irqsave(shost->host_lock, flags); + if (rport->flags & FC_RPORT_DEVLOSS_PENDING) { + spin_unlock_irqrestore(shost->host_lock, flags); + if (!cancel_delayed_work(&rport->fail_io_work)) + fc_flush_devloss(shost); + if (!cancel_delayed_work(&rport->dev_loss_work)) + fc_flush_devloss(shost); + spin_lock_irqsave(shost->host_lock, flags); + rport->flags &= ~FC_RPORT_DEVLOSS_PENDING; + } + spin_unlock_irqrestore(shost->host_lock, flags); + /* Delete SCSI target and sdevs */ if (rport->scsi_target_id != -1) fc_starget_delete(&rport->stgt_delete_work); - else if (i->f->dev_loss_tmo_callbk) + + /* + * Notify the driver that the rport is now dead. The LLDD will + * also guarantee that any communication to the rport is terminated + */ + if (i->f->dev_loss_tmo_callbk) i->f->dev_loss_tmo_callbk(rport); - else if (i->f->terminate_rport_io) - i->f->terminate_rport_io(rport); transport_remove_device(dev); device_del(dev); @@ -1963,8 +1969,6 @@ fc_remote_port_add(struct Scsi_Host *shost, int channel, } if (match) { - struct delayed_work *work = - &rport->dev_loss_work; memcpy(&rport->node_name, &ids->node_name, sizeof(rport->node_name)); @@ -1982,46 +1986,61 @@ fc_remote_port_add(struct Scsi_Host *shost, int channel, fci->f->dd_fcrport_size); /* - * If we were blocked, we were a target. - * If no longer a target, we leave the timer - * running in case the port changes roles - * prior to the timer expiring. If the timer - * fires, the target will be torn down. + * If we were not a target, cancel the + * io terminate and rport timers, and + * we're done. + * + * If we were a target, but our new role + * doesn't indicate a target, leave the + * timers running expecting the role to + * change as the target fully logs in. If + * it doesn't, the target will be torn down. + * + * If we were a target, and our role shows + * we're still a target, cancel the timers + * and kick off a scan. */ - if (!(ids->roles & FC_RPORT_ROLE_FCP_TARGET)) - return rport; - /* restart the target */ + /* was a target, not in roles */ + if ((rport->scsi_target_id != -1) && + (!(ids->roles & FC_RPORT_ROLE_FCP_TARGET))) + return rport; /* - * Stop the target timers first. Take no action - * on the del_timer failure as the state - * machine state change will validate the - * transaction. + * Stop the fail io and dev_loss timers. + * If they flush, the port_state will + * be checked and will NOOP the function. */ if (!cancel_delayed_work(&rport->fail_io_work)) fc_flush_devloss(shost); - if (!cancel_delayed_work(work)) + if (!cancel_delayed_work(&rport->dev_loss_work)) fc_flush_devloss(shost); spin_lock_irqsave(shost->host_lock, flags); rport->flags &= ~FC_RPORT_DEVLOSS_PENDING; - /* initiate a scan of the target */ - rport->flags |= FC_RPORT_SCAN_PENDING; - scsi_queue_work(shost, &rport->scan_work); - - spin_unlock_irqrestore(shost->host_lock, flags); - - scsi_target_unblock(&rport->dev); + /* if target, initiate a scan */ + if (rport->scsi_target_id != -1) { + rport->flags |= FC_RPORT_SCAN_PENDING; + scsi_queue_work(shost, + &rport->scan_work); + spin_unlock_irqrestore(shost->host_lock, + flags); + scsi_target_unblock(&rport->dev); + } else + spin_unlock_irqrestore(shost->host_lock, + flags); return rport; } } } - /* Search the bindings array */ + /* + * Search the bindings array + * Note: if never a FCP target, you won't be on this list + */ if (fc_host->tgtid_bind_type != FC_TGTID_BIND_NONE) { /* search for a matching consistent binding */ @@ -2158,15 +2177,24 @@ fc_remote_port_delete(struct fc_rport *rport) spin_lock_irqsave(shost->host_lock, flags); - /* If no scsi target id mapping, delete it */ - if (rport->scsi_target_id == -1) { - list_del(&rport->peers); - rport->port_state = FC_PORTSTATE_DELETED; - fc_queue_work(shost, &rport->rport_delete_work); + if (rport->port_state != FC_PORTSTATE_ONLINE) { spin_unlock_irqrestore(shost->host_lock, flags); return; } + /* + * In the past, we if this was not an FCP-Target, we would + * unconditionally just jump to deleting the rport. + * However, rports can be used as node containers by the LLDD, + * and its not appropriate to just terminate the rport at the + * first sign of a loss in connectivity. The LLDD may want to + * send ELS traffic to re-validate the login. If the rport is + * immediately deleted, it makes it inappropriate for a node + * container. + * So... we now unconditionally wait dev_loss_tmo before + * destroying an rport. + */ + rport->port_state = FC_PORTSTATE_BLOCKED; rport->flags |= FC_RPORT_DEVLOSS_PENDING; @@ -2263,11 +2291,11 @@ fc_remote_port_rolechg(struct fc_rport *rport, u32 roles) EXPORT_SYMBOL(fc_remote_port_rolechg); /** - * fc_timeout_deleted_rport - Timeout handler for a deleted remote port that - * was a SCSI target (thus was blocked), and failed - * to return in the alloted time. + * fc_timeout_deleted_rport - Timeout handler for a deleted remote port, + * which we blocked, and has now failed to return + * in the allotted time. * - * @work: rport target that failed to reappear in the alloted time. + * @work: rport target that failed to reappear in the allotted time. **/ static void fc_timeout_deleted_rport(struct work_struct *work) @@ -2283,10 +2311,12 @@ fc_timeout_deleted_rport(struct work_struct *work) rport->flags &= ~FC_RPORT_DEVLOSS_PENDING; /* - * If the port is ONLINE, then it came back. Validate it's still an - * FCP target. If not, tear down the scsi_target on it. + * If the port is ONLINE, then it came back. If it was a SCSI + * target, validate it still is. If not, tear down the + * scsi_target on it. */ if ((rport->port_state == FC_PORTSTATE_ONLINE) && + (rport->scsi_target_id != -1) && !(rport->roles & FC_RPORT_ROLE_FCP_TARGET)) { dev_printk(KERN_ERR, &rport->dev, "blocked FC remote port time out: no longer" @@ -2297,18 +2327,24 @@ fc_timeout_deleted_rport(struct work_struct *work) return; } + /* NOOP state - we're flushing workq's */ if (rport->port_state != FC_PORTSTATE_BLOCKED) { spin_unlock_irqrestore(shost->host_lock, flags); dev_printk(KERN_ERR, &rport->dev, - "blocked FC remote port time out: leaving target alone\n"); + "blocked FC remote port time out: leaving" + " rport%s alone\n", + (rport->scsi_target_id != -1) ? " and starget" : ""); return; } - if (fc_host->tgtid_bind_type == FC_TGTID_BIND_NONE) { + if ((fc_host->tgtid_bind_type == FC_TGTID_BIND_NONE) || + (rport->scsi_target_id == -1)) { list_del(&rport->peers); rport->port_state = FC_PORTSTATE_DELETED; dev_printk(KERN_ERR, &rport->dev, - "blocked FC remote port time out: removing target\n"); + "blocked FC remote port time out: removing" + " rport%s\n", + (rport->scsi_target_id != -1) ? " and starget" : ""); fc_queue_work(shost, &rport->rport_delete_work); spin_unlock_irqrestore(shost->host_lock, flags); return; diff --git a/drivers/scsi/tmscsim.c b/drivers/scsi/tmscsim.c index 3158949..e7b85e8 100644 --- a/drivers/scsi/tmscsim.c +++ b/drivers/scsi/tmscsim.c @@ -351,6 +351,27 @@ static u8 dc390_clock_speed[] = {100,80,67,57,50, 40, 31, 20}; * (DCBs, SRBs, Queueing) * **********************************************************************/ +static void inline dc390_start_segment(struct dc390_srb* pSRB) +{ + struct scatterlist *psgl = pSRB->pSegmentList; + + /* start new sg segment */ + pSRB->SGBusAddr = sg_dma_address(psgl); + pSRB->SGToBeXferLen = sg_dma_len(psgl); +} + +static unsigned long inline dc390_advance_segment(struct dc390_srb* pSRB, u32 residue) +{ + unsigned long xfer = pSRB->SGToBeXferLen - residue; + + /* xfer more bytes transferred */ + pSRB->SGBusAddr += xfer; + pSRB->TotalXferredLen += xfer; + pSRB->SGToBeXferLen = residue; + + return xfer; +} + static struct dc390_dcb __inline__ *dc390_findDCB ( struct dc390_acb* pACB, u8 id, u8 lun) { struct dc390_dcb* pDCB = pACB->pLinkDCB; if (!pDCB) return NULL; @@ -625,70 +646,6 @@ dc390_StartSCSI( struct dc390_acb* pACB, struct dc390_dcb* pDCB, struct dc390_sr return 0; } -//#define DMA_INT EN_DMA_INT /*| EN_PAGE_INT*/ -#define DMA_INT 0 - -#if DMA_INT -/* This is similar to AM53C974.c ... */ -static u8 -dc390_dma_intr (struct dc390_acb* pACB) -{ - struct dc390_srb* pSRB; - u8 dstate; - DEBUG0(u16 pstate; struct pci_dev *pdev = pACB->pdev); - - DEBUG0(pci_read_config_word(pdev, PCI_STATUS, &pstate)); - DEBUG0(if (pstate & (PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_DETECTED_PARITY))\ - { printk(KERN_WARNING "DC390: PCI state = %04x!\n", pstate); \ - pci_write_config_word(pdev, PCI_STATUS, (PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_DETECTED_PARITY));}); - - dstate = DC390_read8 (DMA_Status); - - if (! pACB->pActiveDCB || ! pACB->pActiveDCB->pActiveSRB) return dstate; - else pSRB = pACB->pActiveDCB->pActiveSRB; - - if (dstate & (DMA_XFER_ABORT | DMA_XFER_ERROR | POWER_DOWN | PCI_MS_ABORT)) - { - printk (KERN_ERR "DC390: DMA error (%02x)!\n", dstate); - return dstate; - } - if (dstate & DMA_XFER_DONE) - { - u32 residual, xferCnt; int ctr = 6000000; - if (! (DC390_read8 (DMA_Cmd) & READ_DIRECTION)) - { - do - { - DEBUG1(printk (KERN_DEBUG "DC390: read residual bytes ... \n")); - dstate = DC390_read8 (DMA_Status); - residual = DC390_read8 (CtcReg_Low) | DC390_read8 (CtcReg_Mid) << 8 | - DC390_read8 (CtcReg_High) << 16; - residual += DC390_read8 (Current_Fifo) & 0x1f; - } while (residual && ! (dstate & SCSI_INTERRUPT) && --ctr); - if (!ctr) printk (KERN_CRIT "DC390: dma_intr: DMA aborted unfinished: %06x bytes remain!!\n", DC390_read32 (DMA_Wk_ByteCntr)); - /* residual = ... */ - } - else - residual = 0; - - /* ??? */ - - xferCnt = pSRB->SGToBeXferLen - residual; - pSRB->SGBusAddr += xferCnt; - pSRB->TotalXferredLen += xferCnt; - pSRB->SGToBeXferLen = residual; -# ifdef DC390_DEBUG0 - printk (KERN_INFO "DC390: DMA: residual = %i, xfer = %i\n", - (unsigned int)residual, (unsigned int)xferCnt); -# endif - - DC390_write8 (DMA_Cmd, DMA_IDLE_CMD); - } - dc390_laststatus &= ~0xff000000; dc390_laststatus |= dstate << 24; - return dstate; -} -#endif - static void __inline__ dc390_InvalidCmd(struct dc390_acb* pACB) @@ -708,9 +665,6 @@ DC390_Interrupt(void *dev_id) u8 phase; void (*stateV)( struct dc390_acb*, struct dc390_srb*, u8 *); u8 istate, istatus; -#if DMA_INT - u8 dstatus; -#endif sstatus = DC390_read8 (Scsi_Status); if( !(sstatus & INTERRUPT) ) @@ -718,22 +672,9 @@ DC390_Interrupt(void *dev_id) DEBUG1(printk (KERN_DEBUG "sstatus=%02x,", sstatus)); -#if DMA_INT - spin_lock_irq(pACB->pScsiHost->host_lock); - dstatus = dc390_dma_intr (pACB); - spin_unlock_irq(pACB->pScsiHost->host_lock); - - DEBUG1(printk (KERN_DEBUG "dstatus=%02x,", dstatus)); - if (! (dstatus & SCSI_INTERRUPT)) - { - DEBUG0(printk (KERN_WARNING "DC390 Int w/o SCSI actions (only DMA?)\n")); - return IRQ_NONE; - } -#else //DC390_write32 (DMA_ScsiBusCtrl, WRT_ERASE_DMA_STAT | EN_INT_ON_PCI_ABORT); //dstatus = DC390_read8 (DMA_Status); //DC390_write32 (DMA_ScsiBusCtrl, EN_INT_ON_PCI_ABORT); -#endif spin_lock_irq(pACB->pScsiHost->host_lock); @@ -821,11 +762,10 @@ static irqreturn_t do_DC390_Interrupt(int irq, void *dev_id) } static void -dc390_DataOut_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus) +dc390_DataOut_0(struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus) { u8 sstatus; - struct scatterlist *psgl; - u32 ResidCnt, xferCnt; + u32 ResidCnt; u8 dstate = 0; sstatus = *psstatus; @@ -856,42 +796,35 @@ dc390_DataOut_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus) if( pSRB->SGIndex < pSRB->SGcount ) { pSRB->pSegmentList++; - psgl = pSRB->pSegmentList; - pSRB->SGBusAddr = cpu_to_le32(pci_dma_lo32(sg_dma_address(psgl))); - pSRB->SGToBeXferLen = cpu_to_le32(sg_dma_len(psgl)); + dc390_start_segment(pSRB); } else pSRB->SGToBeXferLen = 0; } else { - ResidCnt = (u32) DC390_read8 (Current_Fifo) & 0x1f; - ResidCnt |= (u32) DC390_read8 (CtcReg_High) << 16; - ResidCnt |= (u32) DC390_read8 (CtcReg_Mid) << 8; - ResidCnt += (u32) DC390_read8 (CtcReg_Low); - - xferCnt = pSRB->SGToBeXferLen - ResidCnt; - pSRB->SGBusAddr += xferCnt; - pSRB->TotalXferredLen += xferCnt; - pSRB->SGToBeXferLen = ResidCnt; + ResidCnt = ((u32) DC390_read8 (Current_Fifo) & 0x1f) + + (((u32) DC390_read8 (CtcReg_High) << 16) | + ((u32) DC390_read8 (CtcReg_Mid) << 8) | + (u32) DC390_read8 (CtcReg_Low)); + + dc390_advance_segment(pSRB, ResidCnt); } } if ((*psstatus & 7) != SCSI_DATA_OUT) { - DC390_write8 (DMA_Cmd, WRITE_DIRECTION+DMA_IDLE_CMD); /* | DMA_INT */ + DC390_write8 (DMA_Cmd, WRITE_DIRECTION+DMA_IDLE_CMD); DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD); } } static void -dc390_DataIn_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus) +dc390_DataIn_0(struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus) { u8 sstatus, residual, bval; - struct scatterlist *psgl; - u32 ResidCnt, i; + u32 ResidCnt, i; unsigned long xferCnt; - u8 *ptr; sstatus = *psstatus; @@ -922,19 +855,17 @@ dc390_DataIn_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus) DEBUG1(ResidCnt = ((unsigned long) DC390_read8 (CtcReg_High) << 16) \ + ((unsigned long) DC390_read8 (CtcReg_Mid) << 8) \ + ((unsigned long) DC390_read8 (CtcReg_Low))); - DEBUG1(printk (KERN_DEBUG "Count_2_Zero (ResidCnt=%i,ToBeXfer=%li),", ResidCnt, pSRB->SGToBeXferLen)); + DEBUG1(printk (KERN_DEBUG "Count_2_Zero (ResidCnt=%u,ToBeXfer=%lu),", ResidCnt, pSRB->SGToBeXferLen)); - DC390_write8 (DMA_Cmd, READ_DIRECTION+DMA_IDLE_CMD); /* | DMA_INT */ + DC390_write8 (DMA_Cmd, READ_DIRECTION+DMA_IDLE_CMD); pSRB->TotalXferredLen += pSRB->SGToBeXferLen; pSRB->SGIndex++; if( pSRB->SGIndex < pSRB->SGcount ) { pSRB->pSegmentList++; - psgl = pSRB->pSegmentList; - pSRB->SGBusAddr = cpu_to_le32(pci_dma_lo32(sg_dma_address(psgl))); - pSRB->SGToBeXferLen = cpu_to_le32(sg_dma_len(psgl)); + dc390_start_segment(pSRB); } else pSRB->SGToBeXferLen = 0; @@ -973,47 +904,45 @@ din_1: } /* It seems a DMA Blast abort isn't that bad ... */ if (!i) printk (KERN_ERR "DC390: DMA Blast aborted unfinished!\n"); - //DC390_write8 (DMA_Cmd, READ_DIRECTION+DMA_IDLE_CMD); /* | DMA_INT */ - dc390_laststatus &= ~0xff000000; dc390_laststatus |= bval << 24; + //DC390_write8 (DMA_Cmd, READ_DIRECTION+DMA_IDLE_CMD); + dc390_laststatus &= ~0xff000000; + dc390_laststatus |= bval << 24; DEBUG1(printk (KERN_DEBUG "Blast: Read %i times DMA_Status %02x", 0xa000-i, bval)); - ResidCnt = (u32) DC390_read8 (CtcReg_High); - ResidCnt <<= 8; - ResidCnt |= (u32) DC390_read8 (CtcReg_Mid); - ResidCnt <<= 8; - ResidCnt |= (u32) DC390_read8 (CtcReg_Low); - - xferCnt = pSRB->SGToBeXferLen - ResidCnt; - pSRB->SGBusAddr += xferCnt; - pSRB->TotalXferredLen += xferCnt; - pSRB->SGToBeXferLen = ResidCnt; - - if( residual ) - { - static int feedback_requested; + ResidCnt = (((u32) DC390_read8 (CtcReg_High) << 16) | + ((u32) DC390_read8 (CtcReg_Mid) << 8)) | + (u32) DC390_read8 (CtcReg_Low); + + xferCnt = dc390_advance_segment(pSRB, ResidCnt); + + if (residual) { + size_t count = 1; + size_t offset = pSRB->SGBusAddr - sg_dma_address(pSRB->pSegmentList); + unsigned long flags; + u8 *ptr; + bval = DC390_read8 (ScsiFifo); /* get one residual byte */ - if (!feedback_requested) { - feedback_requested = 1; - printk(KERN_WARNING "%s: Please, contact <linux-scsi@vger.kernel.org> " - "to help improve support for your system.\n", __FILE__); + local_irq_save(flags); + ptr = scsi_kmap_atomic_sg(pSRB->pSegmentList, pSRB->SGcount, &offset, &count); + if (likely(ptr)) { + *(ptr + offset) = bval; + scsi_kunmap_atomic_sg(ptr); } + local_irq_restore(flags); + WARN_ON(!ptr); - ptr = (u8 *) bus_to_virt( pSRB->SGBusAddr ); - *ptr = bval; - pSRB->SGBusAddr++; xferCnt++; - pSRB->TotalXferredLen++; - pSRB->SGToBeXferLen--; + /* 1 more byte read */ + xferCnt += dc390_advance_segment(pSRB, pSRB->SGToBeXferLen - 1); } - DEBUG1(printk (KERN_DEBUG "Xfered: %li, Total: %li, Remaining: %li\n", xferCnt,\ + DEBUG1(printk (KERN_DEBUG "Xfered: %lu, Total: %lu, Remaining: %lu\n", xferCnt,\ pSRB->TotalXferredLen, pSRB->SGToBeXferLen)); - } } if ((*psstatus & 7) != SCSI_DATA_IN) { DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD); - DC390_write8 (DMA_Cmd, READ_DIRECTION+DMA_IDLE_CMD); /* | DMA_INT */ + DC390_write8 (DMA_Cmd, READ_DIRECTION+DMA_IDLE_CMD); } } @@ -1216,7 +1145,7 @@ dc390_MsgIn_set_sync (struct dc390_acb* pACB, struct dc390_srb* pSRB) /* handle RESTORE_PTR */ -/* I presume, this command is already mapped, so, have to remap. */ +/* This doesn't look very healthy... to-be-fixed */ static void dc390_restore_ptr (struct dc390_acb* pACB, struct dc390_srb* pSRB) { @@ -1225,6 +1154,7 @@ dc390_restore_ptr (struct dc390_acb* pACB, struct dc390_srb* pSRB) pSRB->TotalXferredLen = 0; pSRB->SGIndex = 0; if (pcmd->use_sg) { + size_t saved; pSRB->pSegmentList = (struct scatterlist *)pcmd->request_buffer; psgl = pSRB->pSegmentList; //dc390_pci_sync(pSRB); @@ -1236,15 +1166,16 @@ dc390_restore_ptr (struct dc390_acb* pACB, struct dc390_srb* pSRB) if( pSRB->SGIndex < pSRB->SGcount ) { pSRB->pSegmentList++; - psgl = pSRB->pSegmentList; - pSRB->SGBusAddr = cpu_to_le32(pci_dma_lo32(sg_dma_address(psgl))); - pSRB->SGToBeXferLen = cpu_to_le32(sg_dma_len(psgl)); + + dc390_start_segment(pSRB); } else pSRB->SGToBeXferLen = 0; } - pSRB->SGToBeXferLen -= (pSRB->Saved_Ptr - pSRB->TotalXferredLen); - pSRB->SGBusAddr += (pSRB->Saved_Ptr - pSRB->TotalXferredLen); + + saved = pSRB->Saved_Ptr - pSRB->TotalXferredLen; + pSRB->SGToBeXferLen -= saved; + pSRB->SGBusAddr += saved; printk (KERN_INFO "DC390: Pointer restored. Segment %i, Total %li, Bus %08lx\n", pSRB->SGIndex, pSRB->Saved_Ptr, pSRB->SGBusAddr); @@ -1365,7 +1296,6 @@ dc390_MsgIn_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus) static void dc390_DataIO_Comm( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 ioDir) { - struct scatterlist *psgl; unsigned long lval; struct dc390_dcb* pDCB = pACB->pActiveDCB; @@ -1391,12 +1321,11 @@ dc390_DataIO_Comm( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 ioDir) if( pSRB->SGIndex < pSRB->SGcount ) { - DC390_write8 (DMA_Cmd, DMA_IDLE_CMD | ioDir /* | DMA_INT */); + DC390_write8 (DMA_Cmd, DMA_IDLE_CMD | ioDir); if( !pSRB->SGToBeXferLen ) { - psgl = pSRB->pSegmentList; - pSRB->SGBusAddr = cpu_to_le32(pci_dma_lo32(sg_dma_address(psgl))); - pSRB->SGToBeXferLen = cpu_to_le32(sg_dma_len(psgl)); + dc390_start_segment(pSRB); + DEBUG1(printk (KERN_DEBUG " DC390: Next SG segment.")); } lval = pSRB->SGToBeXferLen; @@ -1410,12 +1339,12 @@ dc390_DataIO_Comm( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 ioDir) DC390_write32 (DMA_XferCnt, pSRB->SGToBeXferLen); DC390_write32 (DMA_XferAddr, pSRB->SGBusAddr); - //DC390_write8 (DMA_Cmd, DMA_IDLE_CMD | ioDir); /* | DMA_INT; */ + //DC390_write8 (DMA_Cmd, DMA_IDLE_CMD | ioDir); pSRB->SRBState = SRB_DATA_XFER; DC390_write8 (ScsiCmd, DMA_COMMAND+INFO_XFER_CMD); - DC390_write8 (DMA_Cmd, DMA_START_CMD | ioDir | DMA_INT); + DC390_write8 (DMA_Cmd, DMA_START_CMD | ioDir); //DEBUG1(DC390_write32 (DMA_ScsiBusCtrl, WRT_ERASE_DMA_STAT | EN_INT_ON_PCI_ABORT)); //DEBUG1(printk (KERN_DEBUG "DC390: DMA_Status: %02x\n", DC390_read8 (DMA_Status))); //DEBUG1(DC390_write32 (DMA_ScsiBusCtrl, EN_INT_ON_PCI_ABORT)); @@ -1436,8 +1365,8 @@ dc390_DataIO_Comm( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 ioDir) pSRB->SRBState |= SRB_XFERPAD; DC390_write8 (ScsiCmd, DMA_COMMAND+XFER_PAD_BYTE); /* - DC390_write8 (DMA_Cmd, DMA_IDLE_CMD | ioDir); // | DMA_INT; - DC390_write8 (DMA_Cmd, DMA_START_CMD | ioDir | DMA_INT); + DC390_write8 (DMA_Cmd, DMA_IDLE_CMD | ioDir); + DC390_write8 (DMA_Cmd, DMA_START_CMD | ioDir); */ } } diff --git a/drivers/scsi/tmscsim.h b/drivers/scsi/tmscsim.h index 9b66fa8..c3d8c80 100644 --- a/drivers/scsi/tmscsim.h +++ b/drivers/scsi/tmscsim.h @@ -19,14 +19,6 @@ #define SEL_TIMEOUT 153 /* 250 ms selection timeout (@ 40 MHz) */ -#define pci_dma_lo32(a) (a & 0xffffffff) - -typedef u8 UCHAR; /* 8 bits */ -typedef u16 USHORT; /* 16 bits */ -typedef u32 UINT; /* 32 bits */ -typedef unsigned long ULONG; /* 32/64 bits */ - - /* ;----------------------------------------------------------------------- ; SCSI Request Block @@ -43,7 +35,9 @@ struct scatterlist *pSegmentList; struct scatterlist Segmentx; /* make a one entry of S/G list table */ -unsigned long SGBusAddr; /*;a segment starting address as seen by AM53C974A*/ +unsigned long SGBusAddr; /*;a segment starting address as seen by AM53C974A + in CPU endianness. We're only getting 32-bit bus + addresses by default */ unsigned long SGToBeXferLen; /*; to be xfer length */ unsigned long TotalXferredLen; unsigned long SavedTotXLen; |
