Lines Matching full:ctrl
116 static void nvme_remove_invalid_namespaces(struct nvme_ctrl *ctrl,
118 static void nvme_update_keep_alive(struct nvme_ctrl *ctrl,
140 void nvme_queue_scan(struct nvme_ctrl *ctrl) in nvme_queue_scan() argument
145 if (ctrl->state == NVME_CTRL_LIVE && ctrl->tagset) in nvme_queue_scan()
146 queue_work(nvme_wq, &ctrl->scan_work); in nvme_queue_scan()
155 int nvme_try_sched_reset(struct nvme_ctrl *ctrl) in nvme_try_sched_reset() argument
157 if (ctrl->state != NVME_CTRL_RESETTING) in nvme_try_sched_reset()
159 if (!queue_work(nvme_reset_wq, &ctrl->reset_work)) in nvme_try_sched_reset()
167 struct nvme_ctrl *ctrl = container_of(to_delayed_work(work), in nvme_failfast_work() local
170 if (ctrl->state != NVME_CTRL_CONNECTING) in nvme_failfast_work()
173 set_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); in nvme_failfast_work()
174 dev_info(ctrl->device, "failfast expired\n"); in nvme_failfast_work()
175 nvme_kick_requeue_lists(ctrl); in nvme_failfast_work()
178 static inline void nvme_start_failfast_work(struct nvme_ctrl *ctrl) in nvme_start_failfast_work() argument
180 if (!ctrl->opts || ctrl->opts->fast_io_fail_tmo == -1) in nvme_start_failfast_work()
183 schedule_delayed_work(&ctrl->failfast_work, in nvme_start_failfast_work()
184 ctrl->opts->fast_io_fail_tmo * HZ); in nvme_start_failfast_work()
187 static inline void nvme_stop_failfast_work(struct nvme_ctrl *ctrl) in nvme_stop_failfast_work() argument
189 if (!ctrl->opts) in nvme_stop_failfast_work()
192 cancel_delayed_work_sync(&ctrl->failfast_work); in nvme_stop_failfast_work()
193 clear_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); in nvme_stop_failfast_work()
197 int nvme_reset_ctrl(struct nvme_ctrl *ctrl) in nvme_reset_ctrl() argument
199 if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING)) in nvme_reset_ctrl()
201 if (!queue_work(nvme_reset_wq, &ctrl->reset_work)) in nvme_reset_ctrl()
207 int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl) in nvme_reset_ctrl_sync() argument
211 ret = nvme_reset_ctrl(ctrl); in nvme_reset_ctrl_sync()
213 flush_work(&ctrl->reset_work); in nvme_reset_ctrl_sync()
214 if (ctrl->state != NVME_CTRL_LIVE) in nvme_reset_ctrl_sync()
221 static void nvme_do_delete_ctrl(struct nvme_ctrl *ctrl) in nvme_do_delete_ctrl() argument
223 dev_info(ctrl->device, in nvme_do_delete_ctrl()
224 "Removing ctrl: NQN \"%s\"\n", ctrl->opts->subsysnqn); in nvme_do_delete_ctrl()
226 flush_work(&ctrl->reset_work); in nvme_do_delete_ctrl()
227 nvme_stop_ctrl(ctrl); in nvme_do_delete_ctrl()
228 nvme_remove_namespaces(ctrl); in nvme_do_delete_ctrl()
229 ctrl->ops->delete_ctrl(ctrl); in nvme_do_delete_ctrl()
230 nvme_uninit_ctrl(ctrl); in nvme_do_delete_ctrl()
235 struct nvme_ctrl *ctrl = in nvme_delete_ctrl_work() local
238 nvme_do_delete_ctrl(ctrl); in nvme_delete_ctrl_work()
241 int nvme_delete_ctrl(struct nvme_ctrl *ctrl) in nvme_delete_ctrl() argument
243 if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_DELETING)) in nvme_delete_ctrl()
245 if (!queue_work(nvme_delete_wq, &ctrl->delete_work)) in nvme_delete_ctrl()
251 static void nvme_delete_ctrl_sync(struct nvme_ctrl *ctrl) in nvme_delete_ctrl_sync() argument
257 nvme_get_ctrl(ctrl); in nvme_delete_ctrl_sync()
258 if (nvme_change_ctrl_state(ctrl, NVME_CTRL_DELETING)) in nvme_delete_ctrl_sync()
259 nvme_do_delete_ctrl(ctrl); in nvme_delete_ctrl_sync()
260 nvme_put_ctrl(ctrl); in nvme_delete_ctrl_sync()
313 delay = nvme_req(req)->ctrl->crdt[crd - 1] * 100; in nvme_retry_req()
366 if (nvme_req(req)->ctrl->kas) in nvme_complete_rq()
367 nvme_req(req)->ctrl->comp_seen = true; in nvme_complete_rq()
414 void nvme_cancel_tagset(struct nvme_ctrl *ctrl) in nvme_cancel_tagset() argument
416 if (ctrl->tagset) { in nvme_cancel_tagset()
417 blk_mq_tagset_busy_iter(ctrl->tagset, in nvme_cancel_tagset()
418 nvme_cancel_request, ctrl); in nvme_cancel_tagset()
419 blk_mq_tagset_wait_completed_request(ctrl->tagset); in nvme_cancel_tagset()
424 void nvme_cancel_admin_tagset(struct nvme_ctrl *ctrl) in nvme_cancel_admin_tagset() argument
426 if (ctrl->admin_tagset) { in nvme_cancel_admin_tagset()
427 blk_mq_tagset_busy_iter(ctrl->admin_tagset, in nvme_cancel_admin_tagset()
428 nvme_cancel_request, ctrl); in nvme_cancel_admin_tagset()
429 blk_mq_tagset_wait_completed_request(ctrl->admin_tagset); in nvme_cancel_admin_tagset()
434 bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, in nvme_change_ctrl_state() argument
441 spin_lock_irqsave(&ctrl->lock, flags); in nvme_change_ctrl_state()
443 old_state = ctrl->state; in nvme_change_ctrl_state()
511 ctrl->state = new_state; in nvme_change_ctrl_state()
512 wake_up_all(&ctrl->state_wq); in nvme_change_ctrl_state()
515 spin_unlock_irqrestore(&ctrl->lock, flags); in nvme_change_ctrl_state()
519 if (ctrl->state == NVME_CTRL_LIVE) { in nvme_change_ctrl_state()
521 nvme_stop_failfast_work(ctrl); in nvme_change_ctrl_state()
522 nvme_kick_requeue_lists(ctrl); in nvme_change_ctrl_state()
523 } else if (ctrl->state == NVME_CTRL_CONNECTING && in nvme_change_ctrl_state()
525 nvme_start_failfast_work(ctrl); in nvme_change_ctrl_state()
534 static bool nvme_state_terminal(struct nvme_ctrl *ctrl) in nvme_state_terminal() argument
536 switch (ctrl->state) { in nvme_state_terminal()
547 WARN_ONCE(1, "Unhandled ctrl state:%d", ctrl->state); in nvme_state_terminal()
556 bool nvme_wait_reset(struct nvme_ctrl *ctrl) in nvme_wait_reset() argument
558 wait_event(ctrl->state_wq, in nvme_wait_reset()
559 nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING) || in nvme_wait_reset()
560 nvme_state_terminal(ctrl)); in nvme_wait_reset()
561 return ctrl->state == NVME_CTRL_RESETTING; in nvme_wait_reset()
593 nvme_put_ctrl(ns->ctrl); in nvme_free_ns()
672 blk_status_t nvme_fail_nonready_command(struct nvme_ctrl *ctrl, in nvme_fail_nonready_command() argument
675 if (ctrl->state != NVME_CTRL_DELETING_NOIO && in nvme_fail_nonready_command()
676 ctrl->state != NVME_CTRL_DEAD && in nvme_fail_nonready_command()
677 !test_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags) && in nvme_fail_nonready_command()
684 bool __nvme_check_ready(struct nvme_ctrl *ctrl, struct request *rq, in __nvme_check_ready() argument
697 if (rq->q == ctrl->admin_q && (req->flags & NVME_REQ_USERCMD)) in __nvme_check_ready()
700 if (ctrl->ops->flags & NVME_F_FABRICS) { in __nvme_check_ready()
706 switch (ctrl->state) { in __nvme_check_ready()
723 static int nvme_toggle_streams(struct nvme_ctrl *ctrl, bool enable) in nvme_toggle_streams() argument
734 return nvme_submit_sync_cmd(ctrl->admin_q, &c, NULL, 0); in nvme_toggle_streams()
737 static int nvme_disable_streams(struct nvme_ctrl *ctrl) in nvme_disable_streams() argument
739 return nvme_toggle_streams(ctrl, false); in nvme_disable_streams()
742 static int nvme_enable_streams(struct nvme_ctrl *ctrl) in nvme_enable_streams() argument
744 return nvme_toggle_streams(ctrl, true); in nvme_enable_streams()
747 static int nvme_get_stream_params(struct nvme_ctrl *ctrl, in nvme_get_stream_params() argument
760 return nvme_submit_sync_cmd(ctrl->admin_q, &c, s, sizeof(*s)); in nvme_get_stream_params()
763 static int nvme_configure_directives(struct nvme_ctrl *ctrl) in nvme_configure_directives() argument
768 if (!(ctrl->oacs & NVME_CTRL_OACS_DIRECTIVES)) in nvme_configure_directives()
773 ret = nvme_enable_streams(ctrl); in nvme_configure_directives()
777 ret = nvme_get_stream_params(ctrl, &s, NVME_NSID_ALL); in nvme_configure_directives()
781 ctrl->nssa = le16_to_cpu(s.nssa); in nvme_configure_directives()
782 if (ctrl->nssa < BLK_MAX_WRITE_HINTS - 1) { in nvme_configure_directives()
783 dev_info(ctrl->device, "too few streams (%u) available\n", in nvme_configure_directives()
784 ctrl->nssa); in nvme_configure_directives()
788 ctrl->nr_streams = min_t(u16, ctrl->nssa, BLK_MAX_WRITE_HINTS - 1); in nvme_configure_directives()
789 dev_info(ctrl->device, "Using %u streams\n", ctrl->nr_streams); in nvme_configure_directives()
793 nvme_disable_streams(ctrl); in nvme_configure_directives()
801 static void nvme_assign_write_stream(struct nvme_ctrl *ctrl, in nvme_assign_write_stream() argument
811 if (WARN_ON_ONCE(streamid > ctrl->nr_streams)) in nvme_assign_write_stream()
850 if (test_and_set_bit_lock(0, &ns->ctrl->discard_page_busy)) in nvme_setup_discard()
853 range = page_address(ns->ctrl->discard_page); in nvme_setup_discard()
869 if (virt_to_page(range) == ns->ctrl->discard_page) in nvme_setup_discard()
870 clear_bit_unlock(0, &ns->ctrl->discard_page_busy); in nvme_setup_discard()
892 if (ns->ctrl->quirks & NVME_QUIRK_DEALLOCATE_ZEROES) in nvme_setup_write_zeroes()
912 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_setup_rw() local
929 if (req_op(req) == REQ_OP_WRITE && ctrl->nr_streams) in nvme_setup_rw()
930 nvme_assign_write_stream(ctrl, req, &control, &dsmgmt); in nvme_setup_rw()
968 struct nvme_ctrl *ctrl = nvme_req(req)->ctrl; in nvme_cleanup_cmd() local
970 if (req->special_vec.bv_page == ctrl->discard_page) in nvme_cleanup_cmd()
971 clear_bit_unlock(0, &ctrl->discard_page_busy); in nvme_cleanup_cmd()
981 struct nvme_ctrl *ctrl = nvme_req(req)->ctrl; in nvme_setup_cmd() local
1030 if (!(ctrl->quirks & NVME_QUIRK_SKIP_CID_GEN)) in nvme_setup_cmd()
1116 u32 nvme_command_effects(struct nvme_ctrl *ctrl, struct nvme_ns *ns, u8 opcode) in nvme_command_effects() argument
1124 dev_warn_once(ctrl->device, in nvme_command_effects()
1130 if (ctrl->effects) in nvme_command_effects()
1131 effects = le32_to_cpu(ctrl->effects->acs[opcode]); in nvme_command_effects()
1138 static u32 nvme_passthru_start(struct nvme_ctrl *ctrl, struct nvme_ns *ns, in nvme_passthru_start() argument
1141 u32 effects = nvme_command_effects(ctrl, ns, opcode); in nvme_passthru_start()
1148 mutex_lock(&ctrl->scan_lock); in nvme_passthru_start()
1149 mutex_lock(&ctrl->subsys->lock); in nvme_passthru_start()
1150 nvme_mpath_start_freeze(ctrl->subsys); in nvme_passthru_start()
1151 nvme_mpath_wait_freeze(ctrl->subsys); in nvme_passthru_start()
1152 nvme_start_freeze(ctrl); in nvme_passthru_start()
1153 nvme_wait_freeze(ctrl); in nvme_passthru_start()
1158 static void nvme_passthru_end(struct nvme_ctrl *ctrl, u32 effects, in nvme_passthru_end() argument
1162 nvme_unfreeze(ctrl); in nvme_passthru_end()
1163 nvme_mpath_unfreeze(ctrl->subsys); in nvme_passthru_end()
1164 mutex_unlock(&ctrl->subsys->lock); in nvme_passthru_end()
1165 nvme_remove_invalid_namespaces(ctrl, NVME_NSID_ALL); in nvme_passthru_end()
1166 mutex_unlock(&ctrl->scan_lock); in nvme_passthru_end()
1169 nvme_init_ctrl_finish(ctrl); in nvme_passthru_end()
1171 nvme_queue_scan(ctrl); in nvme_passthru_end()
1172 flush_work(&ctrl->scan_work); in nvme_passthru_end()
1185 nvme_update_keep_alive(ctrl, cmd); in nvme_passthru_end()
1199 struct nvme_ctrl *ctrl = nvme_req(rq)->ctrl; in nvme_execute_passthru_rq() local
1205 effects = nvme_passthru_start(ctrl, ns, cmd->common.opcode); in nvme_execute_passthru_rq()
1208 nvme_passthru_end(ctrl, effects, cmd, ret); in nvme_execute_passthru_rq()
1220 static void nvme_queue_keep_alive_work(struct nvme_ctrl *ctrl) in nvme_queue_keep_alive_work() argument
1222 queue_delayed_work(nvme_wq, &ctrl->ka_work, ctrl->kato * HZ / 2); in nvme_queue_keep_alive_work()
1227 struct nvme_ctrl *ctrl = rq->end_io_data; in nvme_keep_alive_end_io() local
1234 dev_err(ctrl->device, in nvme_keep_alive_end_io()
1240 ctrl->comp_seen = false; in nvme_keep_alive_end_io()
1241 spin_lock_irqsave(&ctrl->lock, flags); in nvme_keep_alive_end_io()
1242 if (ctrl->state == NVME_CTRL_LIVE || in nvme_keep_alive_end_io()
1243 ctrl->state == NVME_CTRL_CONNECTING) in nvme_keep_alive_end_io()
1245 spin_unlock_irqrestore(&ctrl->lock, flags); in nvme_keep_alive_end_io()
1247 nvme_queue_keep_alive_work(ctrl); in nvme_keep_alive_end_io()
1252 struct nvme_ctrl *ctrl = container_of(to_delayed_work(work), in nvme_keep_alive_work() local
1254 bool comp_seen = ctrl->comp_seen; in nvme_keep_alive_work()
1257 if ((ctrl->ctratt & NVME_CTRL_ATTR_TBKAS) && comp_seen) { in nvme_keep_alive_work()
1258 dev_dbg(ctrl->device, in nvme_keep_alive_work()
1260 ctrl->comp_seen = false; in nvme_keep_alive_work()
1261 nvme_queue_keep_alive_work(ctrl); in nvme_keep_alive_work()
1265 rq = nvme_alloc_request(ctrl->admin_q, &ctrl->ka_cmd, in nvme_keep_alive_work()
1269 dev_err(ctrl->device, "keep-alive failed: %ld\n", PTR_ERR(rq)); in nvme_keep_alive_work()
1270 nvme_reset_ctrl(ctrl); in nvme_keep_alive_work()
1274 rq->timeout = ctrl->kato * HZ; in nvme_keep_alive_work()
1275 rq->end_io_data = ctrl; in nvme_keep_alive_work()
1279 static void nvme_start_keep_alive(struct nvme_ctrl *ctrl) in nvme_start_keep_alive() argument
1281 if (unlikely(ctrl->kato == 0)) in nvme_start_keep_alive()
1284 nvme_queue_keep_alive_work(ctrl); in nvme_start_keep_alive()
1287 void nvme_stop_keep_alive(struct nvme_ctrl *ctrl) in nvme_stop_keep_alive() argument
1289 if (unlikely(ctrl->kato == 0)) in nvme_stop_keep_alive()
1292 cancel_delayed_work_sync(&ctrl->ka_work); in nvme_stop_keep_alive()
1296 static void nvme_update_keep_alive(struct nvme_ctrl *ctrl, in nvme_update_keep_alive() argument
1302 dev_info(ctrl->device, in nvme_update_keep_alive()
1304 ctrl->kato * 1000 / 2, new_kato * 1000 / 2); in nvme_update_keep_alive()
1306 nvme_stop_keep_alive(ctrl); in nvme_update_keep_alive()
1307 ctrl->kato = new_kato; in nvme_update_keep_alive()
1308 nvme_start_keep_alive(ctrl); in nvme_update_keep_alive()
1317 static bool nvme_ctrl_limited_cns(struct nvme_ctrl *ctrl) in nvme_ctrl_limited_cns() argument
1319 if (ctrl->quirks & NVME_QUIRK_IDENTIFY_CNS) in nvme_ctrl_limited_cns()
1320 return ctrl->vs < NVME_VS(1, 2, 0); in nvme_ctrl_limited_cns()
1321 return ctrl->vs < NVME_VS(1, 1, 0); in nvme_ctrl_limited_cns()
1344 static int nvme_process_ns_desc(struct nvme_ctrl *ctrl, struct nvme_ns_ids *ids, in nvme_process_ns_desc() argument
1347 const char *warn_str = "ctrl returned bogus length:"; in nvme_process_ns_desc()
1353 dev_warn(ctrl->device, "%s %d for NVME_NIDT_EUI64\n", in nvme_process_ns_desc()
1361 dev_warn(ctrl->device, "%s %d for NVME_NIDT_NGUID\n", in nvme_process_ns_desc()
1369 dev_warn(ctrl->device, "%s %d for NVME_NIDT_UUID\n", in nvme_process_ns_desc()
1377 dev_warn(ctrl->device, "%s %d for NVME_NIDT_CSI\n", in nvme_process_ns_desc()
1390 static int nvme_identify_ns_descs(struct nvme_ctrl *ctrl, unsigned nsid, in nvme_identify_ns_descs() argument
1398 if (ctrl->vs < NVME_VS(1, 3, 0) && !nvme_multi_css(ctrl)) in nvme_identify_ns_descs()
1400 if (ctrl->quirks & NVME_QUIRK_NO_NS_DESC_LIST) in nvme_identify_ns_descs()
1411 status = nvme_submit_sync_cmd(ctrl->admin_q, &c, data, in nvme_identify_ns_descs()
1414 dev_warn(ctrl->device, in nvme_identify_ns_descs()
1426 len = nvme_process_ns_desc(ctrl, ids, cur, &csi_seen); in nvme_identify_ns_descs()
1433 if (nvme_multi_css(ctrl) && !csi_seen) { in nvme_identify_ns_descs()
1434 dev_warn(ctrl->device, "Command set not reported for nsid:%d\n", in nvme_identify_ns_descs()
1444 static int nvme_identify_ns(struct nvme_ctrl *ctrl, unsigned nsid, in nvme_identify_ns() argument
1459 error = nvme_submit_sync_cmd(ctrl->admin_q, &c, *id, sizeof(**id)); in nvme_identify_ns()
1461 dev_warn(ctrl->device, "Identify namespace failed (%d)\n", error); in nvme_identify_ns()
1469 if (ctrl->vs >= NVME_VS(1, 1, 0) && in nvme_identify_ns()
1472 if (ctrl->vs >= NVME_VS(1, 2, 0) && in nvme_identify_ns()
1519 int nvme_set_queue_count(struct nvme_ctrl *ctrl, int *count) in nvme_set_queue_count() argument
1525 status = nvme_set_features(ctrl, NVME_FEAT_NUM_QUEUES, q_count, NULL, 0, in nvme_set_queue_count()
1536 dev_err(ctrl->device, "Could not set queue count (%d)\n", status); in nvme_set_queue_count()
1551 static void nvme_enable_aen(struct nvme_ctrl *ctrl) in nvme_enable_aen() argument
1553 u32 result, supported_aens = ctrl->oaes & NVME_AEN_SUPPORTED; in nvme_enable_aen()
1559 status = nvme_set_features(ctrl, NVME_FEAT_ASYNC_EVENT, supported_aens, in nvme_enable_aen()
1562 dev_warn(ctrl->device, "Failed to configure AEN (cfg %x)\n", in nvme_enable_aen()
1565 queue_work(nvme_wq, &ctrl->async_event_work); in nvme_enable_aen()
1576 if (!try_module_get(ns->ctrl->ops->module)) in nvme_ns_open()
1590 module_put(ns->ctrl->ops->module); in nvme_ns_release()
1648 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_config_discard() local
1652 if (ctrl->max_discard_sectors == 0) { in nvme_config_discard()
1657 if (ctrl->nr_streams && ns->sws && ns->sgs) in nvme_config_discard()
1670 blk_queue_max_discard_sectors(queue, ctrl->max_discard_sectors); in nvme_config_discard()
1671 blk_queue_max_discard_segments(queue, ctrl->max_discard_segments); in nvme_config_discard()
1673 if (ctrl->quirks & NVME_QUIRK_DEALLOCATE_ZEROES) in nvme_config_discard()
1692 static int nvme_setup_streams_ns(struct nvme_ctrl *ctrl, struct nvme_ns *ns, in nvme_setup_streams_ns() argument
1698 if (!ctrl->nr_streams) in nvme_setup_streams_ns()
1701 ret = nvme_get_stream_params(ctrl, &s, ns->head->ns_id); in nvme_setup_streams_ns()
1719 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_configure_metadata() local
1732 if (!ns->ms || !(ctrl->ops->flags & NVME_F_METADATA_SUPPORTED)) in nvme_configure_metadata()
1734 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_configure_metadata()
1742 if (ctrl->max_integrity_segments) in nvme_configure_metadata()
1761 static void nvme_set_queue_limits(struct nvme_ctrl *ctrl, in nvme_set_queue_limits() argument
1764 bool vwc = ctrl->vwc & NVME_CTRL_VWC_PRESENT; in nvme_set_queue_limits()
1766 if (ctrl->max_hw_sectors) { in nvme_set_queue_limits()
1768 (ctrl->max_hw_sectors / (NVME_CTRL_PAGE_SIZE >> 9)) + 1; in nvme_set_queue_limits()
1770 max_segments = min_not_zero(max_segments, ctrl->max_segments); in nvme_set_queue_limits()
1771 blk_queue_max_hw_sectors(q, ctrl->max_hw_sectors); in nvme_set_queue_limits()
1798 nvme_setup_streams_ns(ns->ctrl, ns, &phys_bs, &io_opt); in nvme_update_disk_info()
1808 atomic_bs = (1 + ns->ctrl->subsys->awupf) * bs; in nvme_update_disk_info()
1838 ns->ctrl->max_integrity_segments); in nvme_update_disk_info()
1847 ns->ctrl->max_zeroes_sectors); in nvme_update_disk_info()
1861 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_set_chunk_sectors() local
1864 if ((ctrl->quirks & NVME_QUIRK_STRIPE_SIZE) && in nvme_set_chunk_sectors()
1865 is_power_of_2(ctrl->max_hw_sectors)) in nvme_set_chunk_sectors()
1866 iob = ctrl->max_hw_sectors; in nvme_set_chunk_sectors()
1897 nvme_set_queue_limits(ns->ctrl, ns->queue); in nvme_update_ns_info()
2067 struct nvme_ctrl *ctrl = data; in nvme_sec_submit() local
2078 return __nvme_submit_sync_cmd(ctrl->admin_q, &cmd, NULL, buffer, len, 0, in nvme_sec_submit()
2105 static int nvme_wait_ready(struct nvme_ctrl *ctrl, u64 cap, bool enabled) in nvme_wait_ready() argument
2112 while ((ret = ctrl->ops->reg_read32(ctrl, NVME_REG_CSTS, &csts)) == 0) { in nvme_wait_ready()
2122 dev_err(ctrl->device, in nvme_wait_ready()
2138 int nvme_disable_ctrl(struct nvme_ctrl *ctrl) in nvme_disable_ctrl() argument
2142 ctrl->ctrl_config &= ~NVME_CC_SHN_MASK; in nvme_disable_ctrl()
2143 ctrl->ctrl_config &= ~NVME_CC_ENABLE; in nvme_disable_ctrl()
2145 ret = ctrl->ops->reg_write32(ctrl, NVME_REG_CC, ctrl->ctrl_config); in nvme_disable_ctrl()
2149 if (ctrl->quirks & NVME_QUIRK_DELAY_BEFORE_CHK_RDY) in nvme_disable_ctrl()
2152 return nvme_wait_ready(ctrl, ctrl->cap, false); in nvme_disable_ctrl()
2156 int nvme_enable_ctrl(struct nvme_ctrl *ctrl) in nvme_enable_ctrl() argument
2161 ret = ctrl->ops->reg_read64(ctrl, NVME_REG_CAP, &ctrl->cap); in nvme_enable_ctrl()
2163 dev_err(ctrl->device, "Reading CAP failed (%d)\n", ret); in nvme_enable_ctrl()
2166 dev_page_min = NVME_CAP_MPSMIN(ctrl->cap) + 12; in nvme_enable_ctrl()
2169 dev_err(ctrl->device, in nvme_enable_ctrl()
2175 if (NVME_CAP_CSS(ctrl->cap) & NVME_CAP_CSS_CSI) in nvme_enable_ctrl()
2176 ctrl->ctrl_config = NVME_CC_CSS_CSI; in nvme_enable_ctrl()
2178 ctrl->ctrl_config = NVME_CC_CSS_NVM; in nvme_enable_ctrl()
2179 ctrl->ctrl_config |= (NVME_CTRL_PAGE_SHIFT - 12) << NVME_CC_MPS_SHIFT; in nvme_enable_ctrl()
2180 ctrl->ctrl_config |= NVME_CC_AMS_RR | NVME_CC_SHN_NONE; in nvme_enable_ctrl()
2181 ctrl->ctrl_config |= NVME_CC_IOSQES | NVME_CC_IOCQES; in nvme_enable_ctrl()
2182 ctrl->ctrl_config |= NVME_CC_ENABLE; in nvme_enable_ctrl()
2184 ret = ctrl->ops->reg_write32(ctrl, NVME_REG_CC, ctrl->ctrl_config); in nvme_enable_ctrl()
2187 return nvme_wait_ready(ctrl, ctrl->cap, true); in nvme_enable_ctrl()
2191 int nvme_shutdown_ctrl(struct nvme_ctrl *ctrl) in nvme_shutdown_ctrl() argument
2193 unsigned long timeout = jiffies + (ctrl->shutdown_timeout * HZ); in nvme_shutdown_ctrl()
2197 ctrl->ctrl_config &= ~NVME_CC_SHN_MASK; in nvme_shutdown_ctrl()
2198 ctrl->ctrl_config |= NVME_CC_SHN_NORMAL; in nvme_shutdown_ctrl()
2200 ret = ctrl->ops->reg_write32(ctrl, NVME_REG_CC, ctrl->ctrl_config); in nvme_shutdown_ctrl()
2204 while ((ret = ctrl->ops->reg_read32(ctrl, NVME_REG_CSTS, &csts)) == 0) { in nvme_shutdown_ctrl()
2212 dev_err(ctrl->device, in nvme_shutdown_ctrl()
2222 static int nvme_configure_timestamp(struct nvme_ctrl *ctrl) in nvme_configure_timestamp() argument
2227 if (!(ctrl->oncs & NVME_CTRL_ONCS_TIMESTAMP)) in nvme_configure_timestamp()
2231 ret = nvme_set_features(ctrl, NVME_FEAT_TIMESTAMP, 0, &ts, sizeof(ts), in nvme_configure_timestamp()
2234 dev_warn_once(ctrl->device, in nvme_configure_timestamp()
2239 static int nvme_configure_acre(struct nvme_ctrl *ctrl) in nvme_configure_acre() argument
2245 if (!ctrl->crdt[0]) in nvme_configure_acre()
2253 ret = nvme_set_features(ctrl, NVME_FEAT_HOST_BEHAVIOR, 0, in nvme_configure_acre()
2313 static int nvme_configure_apst(struct nvme_ctrl *ctrl) in nvme_configure_apst() argument
2328 if (!ctrl->apsta) in nvme_configure_apst()
2331 if (ctrl->npss > 31) { in nvme_configure_apst()
2332 dev_warn(ctrl->device, "NPSS is invalid; not using APST\n"); in nvme_configure_apst()
2340 if (!ctrl->apst_enabled || ctrl->ps_max_latency_us == 0) { in nvme_configure_apst()
2342 dev_dbg(ctrl->device, "APST disabled\n"); in nvme_configure_apst()
2352 for (state = (int)ctrl->npss; state >= 0; state--) { in nvme_configure_apst()
2362 if (state == ctrl->npss && in nvme_configure_apst()
2363 (ctrl->quirks & NVME_QUIRK_NO_DEEPEST_PS)) in nvme_configure_apst()
2370 if (!(ctrl->psd[state].flags & NVME_PS_FLAGS_NON_OP_STATE)) in nvme_configure_apst()
2373 exit_latency_us = (u64)le32_to_cpu(ctrl->psd[state].exit_lat); in nvme_configure_apst()
2374 if (exit_latency_us > ctrl->ps_max_latency_us) in nvme_configure_apst()
2378 le32_to_cpu(ctrl->psd[state].entry_lat); in nvme_configure_apst()
2403 dev_dbg(ctrl->device, "APST enabled but no non-operational states are available\n"); in nvme_configure_apst()
2405 …dev_dbg(ctrl->device, "APST enabled: max PS = %d, max round-trip latency = %lluus, table = %*phN\n… in nvme_configure_apst()
2410 ret = nvme_set_features(ctrl, NVME_FEAT_AUTO_PST, apste, in nvme_configure_apst()
2413 dev_err(ctrl->device, "failed to set APST feature (%d)\n", ret); in nvme_configure_apst()
2420 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_set_latency_tolerance() local
2433 if (ctrl->ps_max_latency_us != latency) { in nvme_set_latency_tolerance()
2434 ctrl->ps_max_latency_us = latency; in nvme_set_latency_tolerance()
2435 if (ctrl->state == NVME_CTRL_LIVE) in nvme_set_latency_tolerance()
2436 nvme_configure_apst(ctrl); in nvme_set_latency_tolerance()
2503 static void nvme_init_subnqn(struct nvme_subsystem *subsys, struct nvme_ctrl *ctrl, in nvme_init_subnqn() argument
2509 if(!(ctrl->quirks & NVME_QUIRK_IGNORE_DEV_SUBNQN)) { in nvme_init_subnqn()
2516 if (ctrl->vs >= NVME_VS(1, 2, 1)) in nvme_init_subnqn()
2517 dev_warn(ctrl->device, "missing or invalid SUBNQN field.\n"); in nvme_init_subnqn()
2638 static inline bool nvme_discovery_ctrl(struct nvme_ctrl *ctrl) in nvme_discovery_ctrl() argument
2640 return ctrl->opts && ctrl->opts->discovery_nqn; in nvme_discovery_ctrl()
2644 struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) in nvme_validate_cntlid() argument
2654 if (tmp->cntlid == ctrl->cntlid) { in nvme_validate_cntlid()
2655 dev_err(ctrl->device, in nvme_validate_cntlid()
2657 ctrl->cntlid, dev_name(tmp->device)); in nvme_validate_cntlid()
2662 nvme_discovery_ctrl(ctrl)) in nvme_validate_cntlid()
2665 dev_err(ctrl->device, in nvme_validate_cntlid()
2673 static int nvme_init_subsystem(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) in nvme_init_subsystem() argument
2687 nvme_init_subnqn(subsys, ctrl, id); in nvme_init_subsystem()
2701 dev_set_name(&subsys->dev, "nvme-subsys%d", ctrl->instance); in nvme_init_subsystem()
2710 if (!nvme_validate_cntlid(subsys, ctrl, id)) { in nvme_init_subsystem()
2717 dev_err(ctrl->device, in nvme_init_subsystem()
2726 ret = sysfs_create_link(&subsys->dev.kobj, &ctrl->device->kobj, in nvme_init_subsystem()
2727 dev_name(ctrl->device)); in nvme_init_subsystem()
2729 dev_err(ctrl->device, in nvme_init_subsystem()
2735 subsys->instance = ctrl->instance; in nvme_init_subsystem()
2736 ctrl->subsys = subsys; in nvme_init_subsystem()
2737 list_add_tail(&ctrl->subsys_entry, &subsys->ctrls); in nvme_init_subsystem()
2748 int nvme_get_log(struct nvme_ctrl *ctrl, u32 nsid, u8 log_page, u8 lsp, u8 csi, in nvme_get_log() argument
2764 return nvme_submit_sync_cmd(ctrl->admin_q, &c, log, size); in nvme_get_log()
2767 static int nvme_get_effects_log(struct nvme_ctrl *ctrl, u8 csi, in nvme_get_effects_log() argument
2770 struct nvme_effects_log *cel = xa_load(&ctrl->cels, csi); in nvme_get_effects_log()
2780 ret = nvme_get_log(ctrl, 0x00, NVME_LOG_CMD_EFFECTS, 0, csi, in nvme_get_effects_log()
2787 xa_store(&ctrl->cels, csi, cel, GFP_KERNEL); in nvme_get_effects_log()
2793 static inline u32 nvme_mps_to_sectors(struct nvme_ctrl *ctrl, u32 units) in nvme_mps_to_sectors() argument
2795 u32 page_shift = NVME_CAP_MPSMIN(ctrl->cap) + 12, val; in nvme_mps_to_sectors()
2802 static int nvme_init_non_mdts_limits(struct nvme_ctrl *ctrl) in nvme_init_non_mdts_limits() argument
2808 if (ctrl->oncs & NVME_CTRL_ONCS_DSM) { in nvme_init_non_mdts_limits()
2809 ctrl->max_discard_sectors = UINT_MAX; in nvme_init_non_mdts_limits()
2810 ctrl->max_discard_segments = NVME_DSM_MAX_RANGES; in nvme_init_non_mdts_limits()
2812 ctrl->max_discard_sectors = 0; in nvme_init_non_mdts_limits()
2813 ctrl->max_discard_segments = 0; in nvme_init_non_mdts_limits()
2822 if ((ctrl->oncs & NVME_CTRL_ONCS_WRITE_ZEROES) && in nvme_init_non_mdts_limits()
2823 !(ctrl->quirks & NVME_QUIRK_DISABLE_WRITE_ZEROES)) in nvme_init_non_mdts_limits()
2824 ctrl->max_zeroes_sectors = ctrl->max_hw_sectors; in nvme_init_non_mdts_limits()
2826 ctrl->max_zeroes_sectors = 0; in nvme_init_non_mdts_limits()
2828 if (nvme_ctrl_limited_cns(ctrl)) in nvme_init_non_mdts_limits()
2839 ret = nvme_submit_sync_cmd(ctrl->admin_q, &c, id, sizeof(*id)); in nvme_init_non_mdts_limits()
2844 ctrl->max_discard_segments = id->dmrl; in nvme_init_non_mdts_limits()
2846 ctrl->max_discard_sectors = le32_to_cpu(id->dmrsl); in nvme_init_non_mdts_limits()
2848 ctrl->max_zeroes_sectors = nvme_mps_to_sectors(ctrl, id->wzsl); in nvme_init_non_mdts_limits()
2855 static int nvme_init_identify(struct nvme_ctrl *ctrl) in nvme_init_identify() argument
2862 ret = nvme_identify_ctrl(ctrl, &id); in nvme_init_identify()
2864 dev_err(ctrl->device, "Identify Controller failed (%d)\n", ret); in nvme_init_identify()
2869 ret = nvme_get_effects_log(ctrl, NVME_CSI_NVM, &ctrl->effects); in nvme_init_identify()
2874 if (!(ctrl->ops->flags & NVME_F_FABRICS)) in nvme_init_identify()
2875 ctrl->cntlid = le16_to_cpu(id->cntlid); in nvme_init_identify()
2877 if (!ctrl->identified) { in nvme_init_identify()
2880 ret = nvme_init_subsystem(ctrl, id); in nvme_init_identify()
2894 ctrl->quirks |= core_quirks[i].quirks; in nvme_init_identify()
2898 if (force_apst && (ctrl->quirks & NVME_QUIRK_NO_DEEPEST_PS)) { in nvme_init_identify()
2899 …dev_warn(ctrl->device, "forcibly allowing all power states due to nvme_core.force_apst -- use at y… in nvme_init_identify()
2900 ctrl->quirks &= ~NVME_QUIRK_NO_DEEPEST_PS; in nvme_init_identify()
2903 ctrl->crdt[0] = le16_to_cpu(id->crdt1); in nvme_init_identify()
2904 ctrl->crdt[1] = le16_to_cpu(id->crdt2); in nvme_init_identify()
2905 ctrl->crdt[2] = le16_to_cpu(id->crdt3); in nvme_init_identify()
2907 ctrl->oacs = le16_to_cpu(id->oacs); in nvme_init_identify()
2908 ctrl->oncs = le16_to_cpu(id->oncs); in nvme_init_identify()
2909 ctrl->mtfa = le16_to_cpu(id->mtfa); in nvme_init_identify()
2910 ctrl->oaes = le32_to_cpu(id->oaes); in nvme_init_identify()
2911 ctrl->wctemp = le16_to_cpu(id->wctemp); in nvme_init_identify()
2912 ctrl->cctemp = le16_to_cpu(id->cctemp); in nvme_init_identify()
2914 atomic_set(&ctrl->abort_limit, id->acl + 1); in nvme_init_identify()
2915 ctrl->vwc = id->vwc; in nvme_init_identify()
2917 max_hw_sectors = nvme_mps_to_sectors(ctrl, id->mdts); in nvme_init_identify()
2920 ctrl->max_hw_sectors = in nvme_init_identify()
2921 min_not_zero(ctrl->max_hw_sectors, max_hw_sectors); in nvme_init_identify()
2923 nvme_set_queue_limits(ctrl, ctrl->admin_q); in nvme_init_identify()
2924 ctrl->sgls = le32_to_cpu(id->sgls); in nvme_init_identify()
2925 ctrl->kas = le16_to_cpu(id->kas); in nvme_init_identify()
2926 ctrl->max_namespaces = le32_to_cpu(id->mnan); in nvme_init_identify()
2927 ctrl->ctratt = le32_to_cpu(id->ctratt); in nvme_init_identify()
2933 ctrl->shutdown_timeout = clamp_t(unsigned int, transition_time, in nvme_init_identify()
2936 if (ctrl->shutdown_timeout != shutdown_timeout) in nvme_init_identify()
2937 dev_info(ctrl->device, in nvme_init_identify()
2939 ctrl->shutdown_timeout); in nvme_init_identify()
2941 ctrl->shutdown_timeout = shutdown_timeout; in nvme_init_identify()
2943 ctrl->npss = id->npss; in nvme_init_identify()
2944 ctrl->apsta = id->apsta; in nvme_init_identify()
2945 prev_apst_enabled = ctrl->apst_enabled; in nvme_init_identify()
2946 if (ctrl->quirks & NVME_QUIRK_NO_APST) { in nvme_init_identify()
2948 …dev_warn(ctrl->device, "forcibly allowing APST due to nvme_core.force_apst -- use at your own risk… in nvme_init_identify()
2949 ctrl->apst_enabled = true; in nvme_init_identify()
2951 ctrl->apst_enabled = false; in nvme_init_identify()
2954 ctrl->apst_enabled = id->apsta; in nvme_init_identify()
2956 memcpy(ctrl->psd, id->psd, sizeof(ctrl->psd)); in nvme_init_identify()
2958 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_init_identify()
2959 ctrl->icdoff = le16_to_cpu(id->icdoff); in nvme_init_identify()
2960 ctrl->ioccsz = le32_to_cpu(id->ioccsz); in nvme_init_identify()
2961 ctrl->iorcsz = le32_to_cpu(id->iorcsz); in nvme_init_identify()
2962 ctrl->maxcmd = le16_to_cpu(id->maxcmd); in nvme_init_identify()
2968 if (ctrl->cntlid != le16_to_cpu(id->cntlid)) { in nvme_init_identify()
2969 dev_err(ctrl->device, in nvme_init_identify()
2972 ctrl->cntlid, le16_to_cpu(id->cntlid)); in nvme_init_identify()
2977 if (!nvme_discovery_ctrl(ctrl) && !ctrl->kas) { in nvme_init_identify()
2978 dev_err(ctrl->device, in nvme_init_identify()
2984 ctrl->hmpre = le32_to_cpu(id->hmpre); in nvme_init_identify()
2985 ctrl->hmmin = le32_to_cpu(id->hmmin); in nvme_init_identify()
2986 ctrl->hmminds = le32_to_cpu(id->hmminds); in nvme_init_identify()
2987 ctrl->hmmaxd = le16_to_cpu(id->hmmaxd); in nvme_init_identify()
2990 ret = nvme_mpath_init_identify(ctrl, id); in nvme_init_identify()
2994 if (ctrl->apst_enabled && !prev_apst_enabled) in nvme_init_identify()
2995 dev_pm_qos_expose_latency_tolerance(ctrl->device); in nvme_init_identify()
2996 else if (!ctrl->apst_enabled && prev_apst_enabled) in nvme_init_identify()
2997 dev_pm_qos_hide_latency_tolerance(ctrl->device); in nvme_init_identify()
3009 int nvme_init_ctrl_finish(struct nvme_ctrl *ctrl) in nvme_init_ctrl_finish() argument
3013 ret = ctrl->ops->reg_read32(ctrl, NVME_REG_VS, &ctrl->vs); in nvme_init_ctrl_finish()
3015 dev_err(ctrl->device, "Reading VS failed (%d)\n", ret); in nvme_init_ctrl_finish()
3019 ctrl->sqsize = min_t(u16, NVME_CAP_MQES(ctrl->cap), ctrl->sqsize); in nvme_init_ctrl_finish()
3021 if (ctrl->vs >= NVME_VS(1, 1, 0)) in nvme_init_ctrl_finish()
3022 ctrl->subsystem = NVME_CAP_NSSRC(ctrl->cap); in nvme_init_ctrl_finish()
3024 ret = nvme_init_identify(ctrl); in nvme_init_ctrl_finish()
3028 ret = nvme_init_non_mdts_limits(ctrl); in nvme_init_ctrl_finish()
3032 ret = nvme_configure_apst(ctrl); in nvme_init_ctrl_finish()
3036 ret = nvme_configure_timestamp(ctrl); in nvme_init_ctrl_finish()
3040 ret = nvme_configure_directives(ctrl); in nvme_init_ctrl_finish()
3044 ret = nvme_configure_acre(ctrl); in nvme_init_ctrl_finish()
3048 if (!ctrl->identified && !nvme_discovery_ctrl(ctrl)) { in nvme_init_ctrl_finish()
3049 ret = nvme_hwmon_init(ctrl); in nvme_init_ctrl_finish()
3054 ctrl->identified = true; in nvme_init_ctrl_finish()
3062 struct nvme_ctrl *ctrl = in nvme_dev_open() local
3065 switch (ctrl->state) { in nvme_dev_open()
3072 nvme_get_ctrl(ctrl); in nvme_dev_open()
3073 if (!try_module_get(ctrl->ops->module)) { in nvme_dev_open()
3074 nvme_put_ctrl(ctrl); in nvme_dev_open()
3078 file->private_data = ctrl; in nvme_dev_open()
3084 struct nvme_ctrl *ctrl = in nvme_dev_release() local
3087 module_put(ctrl->ops->module); in nvme_dev_release()
3088 nvme_put_ctrl(ctrl); in nvme_dev_release()
3104 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_sysfs_reset() local
3107 ret = nvme_reset_ctrl_sync(ctrl); in nvme_sysfs_reset()
3118 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_sysfs_rescan() local
3120 nvme_queue_scan(ctrl); in nvme_sysfs_rescan()
3240 if (!nvme_ctrl_use_ana(nvme_get_ns_from_dev(dev)->ctrl)) in nvme_ns_id_attrs_are_visible()
3261 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); \
3263 (int)sizeof(ctrl->subsys->field), ctrl->subsys->field); \
3275 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); \
3276 return sysfs_emit(buf, "%d\n", ctrl->field); \
3290 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_sysfs_delete() local
3293 nvme_delete_ctrl_sync(ctrl); in nvme_sysfs_delete()
3302 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_sysfs_show_transport() local
3304 return sysfs_emit(buf, "%s\n", ctrl->ops->name); in nvme_sysfs_show_transport()
3312 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_sysfs_show_state() local
3323 if ((unsigned)ctrl->state < ARRAY_SIZE(state_name) && in nvme_sysfs_show_state()
3324 state_name[ctrl->state]) in nvme_sysfs_show_state()
3325 return sysfs_emit(buf, "%s\n", state_name[ctrl->state]); in nvme_sysfs_show_state()
3336 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_sysfs_show_subsysnqn() local
3338 return sysfs_emit(buf, "%s\n", ctrl->subsys->subnqn); in nvme_sysfs_show_subsysnqn()
3346 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_sysfs_show_hostnqn() local
3348 return sysfs_emit(buf, "%s\n", ctrl->opts->host->nqn); in nvme_sysfs_show_hostnqn()
3356 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_sysfs_show_hostid() local
3358 return sysfs_emit(buf, "%pU\n", &ctrl->opts->host->id); in nvme_sysfs_show_hostid()
3366 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_sysfs_show_address() local
3368 return ctrl->ops->get_address(ctrl, buf, PAGE_SIZE); in nvme_sysfs_show_address()
3375 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_ctrl_loss_tmo_show() local
3376 struct nvmf_ctrl_options *opts = ctrl->opts; in nvme_ctrl_loss_tmo_show()
3378 if (ctrl->opts->max_reconnects == -1) in nvme_ctrl_loss_tmo_show()
3387 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_ctrl_loss_tmo_store() local
3388 struct nvmf_ctrl_options *opts = ctrl->opts; in nvme_ctrl_loss_tmo_store()
3408 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_ctrl_reconnect_delay_show() local
3410 if (ctrl->opts->reconnect_delay == -1) in nvme_ctrl_reconnect_delay_show()
3412 return sysfs_emit(buf, "%d\n", ctrl->opts->reconnect_delay); in nvme_ctrl_reconnect_delay_show()
3418 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_ctrl_reconnect_delay_store() local
3426 ctrl->opts->reconnect_delay = v; in nvme_ctrl_reconnect_delay_store()
3435 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_ctrl_fast_io_fail_tmo_show() local
3437 if (ctrl->opts->fast_io_fail_tmo == -1) in nvme_ctrl_fast_io_fail_tmo_show()
3439 return sysfs_emit(buf, "%d\n", ctrl->opts->fast_io_fail_tmo); in nvme_ctrl_fast_io_fail_tmo_show()
3445 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_ctrl_fast_io_fail_tmo_store() local
3446 struct nvmf_ctrl_options *opts = ctrl->opts; in nvme_ctrl_fast_io_fail_tmo_store()
3490 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_dev_attrs_are_visible() local
3492 if (a == &dev_attr_delete_controller.attr && !ctrl->ops->delete_ctrl) in nvme_dev_attrs_are_visible()
3494 if (a == &dev_attr_address.attr && !ctrl->ops->get_address) in nvme_dev_attrs_are_visible()
3496 if (a == &dev_attr_hostnqn.attr && !ctrl->opts) in nvme_dev_attrs_are_visible()
3498 if (a == &dev_attr_hostid.attr && !ctrl->opts) in nvme_dev_attrs_are_visible()
3500 if (a == &dev_attr_ctrl_loss_tmo.attr && !ctrl->opts) in nvme_dev_attrs_are_visible()
3502 if (a == &dev_attr_reconnect_delay.attr && !ctrl->opts) in nvme_dev_attrs_are_visible()
3504 if (a == &dev_attr_fast_io_fail_tmo.attr && !ctrl->opts) in nvme_dev_attrs_are_visible()
3608 ns->cdev_device.parent = ns->ctrl->device; in nvme_add_ns_cdev()
3610 ns->ctrl->instance, ns->head->instance); in nvme_add_ns_cdev()
3615 ns->ctrl->ops->module); in nvme_add_ns_cdev()
3618 static struct nvme_ns_head *nvme_alloc_ns_head(struct nvme_ctrl *ctrl, in nvme_alloc_ns_head() argument
3632 ret = ida_simple_get(&ctrl->subsys->ns_ida, 1, 0, GFP_KERNEL); in nvme_alloc_ns_head()
3640 head->subsys = ctrl->subsys; in nvme_alloc_ns_head()
3645 ret = __nvme_check_ids(ctrl->subsys, head); in nvme_alloc_ns_head()
3647 dev_err(ctrl->device, in nvme_alloc_ns_head()
3653 ret = nvme_get_effects_log(ctrl, head->ids.csi, &head->effects); in nvme_alloc_ns_head()
3657 head->effects = ctrl->effects; in nvme_alloc_ns_head()
3659 ret = nvme_mpath_alloc_disk(ctrl, head); in nvme_alloc_ns_head()
3663 list_add_tail(&head->entry, &ctrl->subsys->nsheads); in nvme_alloc_ns_head()
3665 kref_get(&ctrl->subsys->ref); in nvme_alloc_ns_head()
3671 ida_simple_remove(&ctrl->subsys->ns_ida, head->instance); in nvme_alloc_ns_head()
3683 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_init_ns_head() local
3687 mutex_lock(&ctrl->subsys->lock); in nvme_init_ns_head()
3688 head = nvme_find_ns_head(ctrl->subsys, nsid); in nvme_init_ns_head()
3690 head = nvme_alloc_ns_head(ctrl, nsid, ids); in nvme_init_ns_head()
3699 dev_err(ctrl->device, in nvme_init_ns_head()
3704 dev_err(ctrl->device, in nvme_init_ns_head()
3713 mutex_unlock(&ctrl->subsys->lock); in nvme_init_ns_head()
3719 mutex_unlock(&ctrl->subsys->lock); in nvme_init_ns_head()
3723 struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid) in nvme_find_get_ns() argument
3727 down_read(&ctrl->namespaces_rwsem); in nvme_find_get_ns()
3728 list_for_each_entry(ns, &ctrl->namespaces, list) { in nvme_find_get_ns()
3738 up_read(&ctrl->namespaces_rwsem); in nvme_find_get_ns()
3750 list_for_each_entry_reverse(tmp, &ns->ctrl->namespaces, list) { in nvme_ns_add_to_ctrl_list()
3756 list_add(&ns->list, &ns->ctrl->namespaces); in nvme_ns_add_to_ctrl_list()
3759 static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid, in nvme_alloc_ns() argument
3765 int node = ctrl->numa_node; in nvme_alloc_ns()
3767 if (nvme_identify_ns(ctrl, nsid, ids, &id)) in nvme_alloc_ns()
3774 disk = blk_mq_alloc_disk(ctrl->tagset, ns); in nvme_alloc_ns()
3783 if (ctrl->opts && ctrl->opts->data_digest) in nvme_alloc_ns()
3787 if (ctrl->ops->flags & NVME_F_PCI_P2PDMA) in nvme_alloc_ns()
3790 ns->ctrl = ctrl; in nvme_alloc_ns()
3802 sprintf(disk->disk_name, "nvme%dn%d", ctrl->instance, in nvme_alloc_ns()
3808 down_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
3810 up_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
3811 nvme_get_ctrl(ctrl); in nvme_alloc_ns()
3813 if (device_add_disk(ctrl->device, ns->disk, nvme_ns_id_attr_groups)) in nvme_alloc_ns()
3826 nvme_put_ctrl(ctrl); in nvme_alloc_ns()
3827 down_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
3829 up_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
3831 mutex_lock(&ctrl->subsys->lock); in nvme_alloc_ns()
3835 mutex_unlock(&ctrl->subsys->lock); in nvme_alloc_ns()
3856 mutex_lock(&ns->ctrl->subsys->lock); in nvme_ns_remove()
3862 mutex_unlock(&ns->ctrl->subsys->lock); in nvme_ns_remove()
3876 down_write(&ns->ctrl->namespaces_rwsem); in nvme_ns_remove()
3878 up_write(&ns->ctrl->namespaces_rwsem); in nvme_ns_remove()
3885 static void nvme_ns_remove_by_nsid(struct nvme_ctrl *ctrl, u32 nsid) in nvme_ns_remove_by_nsid() argument
3887 struct nvme_ns *ns = nvme_find_get_ns(ctrl, nsid); in nvme_ns_remove_by_nsid()
3903 ret = nvme_identify_ns(ns->ctrl, ns->head->ns_id, ids, &id); in nvme_validate_ns()
3909 dev_err(ns->ctrl->device, in nvme_validate_ns()
3929 static void nvme_validate_or_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid) in nvme_validate_or_alloc_ns() argument
3934 if (nvme_identify_ns_descs(ctrl, nsid, &ids)) in nvme_validate_or_alloc_ns()
3937 ns = nvme_find_get_ns(ctrl, nsid); in nvme_validate_or_alloc_ns()
3946 nvme_alloc_ns(ctrl, nsid, &ids); in nvme_validate_or_alloc_ns()
3950 dev_warn(ctrl->device, in nvme_validate_or_alloc_ns()
3955 if (!nvme_multi_css(ctrl)) { in nvme_validate_or_alloc_ns()
3956 dev_warn(ctrl->device, in nvme_validate_or_alloc_ns()
3961 nvme_alloc_ns(ctrl, nsid, &ids); in nvme_validate_or_alloc_ns()
3964 dev_warn(ctrl->device, "unknown csi %u for nsid %u\n", in nvme_validate_or_alloc_ns()
3970 static void nvme_remove_invalid_namespaces(struct nvme_ctrl *ctrl, in nvme_remove_invalid_namespaces() argument
3976 down_write(&ctrl->namespaces_rwsem); in nvme_remove_invalid_namespaces()
3977 list_for_each_entry_safe(ns, next, &ctrl->namespaces, list) { in nvme_remove_invalid_namespaces()
3981 up_write(&ctrl->namespaces_rwsem); in nvme_remove_invalid_namespaces()
3988 static int nvme_scan_ns_list(struct nvme_ctrl *ctrl) in nvme_scan_ns_list() argument
3995 if (nvme_ctrl_limited_cns(ctrl)) in nvme_scan_ns_list()
4009 ret = nvme_submit_sync_cmd(ctrl->admin_q, &cmd, ns_list, in nvme_scan_ns_list()
4012 dev_warn(ctrl->device, in nvme_scan_ns_list()
4022 nvme_validate_or_alloc_ns(ctrl, nsid); in nvme_scan_ns_list()
4024 nvme_ns_remove_by_nsid(ctrl, prev); in nvme_scan_ns_list()
4028 nvme_remove_invalid_namespaces(ctrl, prev); in nvme_scan_ns_list()
4034 static void nvme_scan_ns_sequential(struct nvme_ctrl *ctrl) in nvme_scan_ns_sequential() argument
4039 if (nvme_identify_ctrl(ctrl, &id)) in nvme_scan_ns_sequential()
4045 nvme_validate_or_alloc_ns(ctrl, i); in nvme_scan_ns_sequential()
4047 nvme_remove_invalid_namespaces(ctrl, nn); in nvme_scan_ns_sequential()
4050 static void nvme_clear_changed_ns_log(struct nvme_ctrl *ctrl) in nvme_clear_changed_ns_log() argument
4066 error = nvme_get_log(ctrl, NVME_NSID_ALL, NVME_LOG_CHANGED_NS, 0, in nvme_clear_changed_ns_log()
4069 dev_warn(ctrl->device, in nvme_clear_changed_ns_log()
4077 struct nvme_ctrl *ctrl = in nvme_scan_work() local
4080 /* No tagset on a live ctrl means IO queues could not created */ in nvme_scan_work()
4081 if (ctrl->state != NVME_CTRL_LIVE || !ctrl->tagset) in nvme_scan_work()
4084 if (test_and_clear_bit(NVME_AER_NOTICE_NS_CHANGED, &ctrl->events)) { in nvme_scan_work()
4085 dev_info(ctrl->device, "rescanning namespaces.\n"); in nvme_scan_work()
4086 nvme_clear_changed_ns_log(ctrl); in nvme_scan_work()
4089 mutex_lock(&ctrl->scan_lock); in nvme_scan_work()
4090 if (nvme_scan_ns_list(ctrl) != 0) in nvme_scan_work()
4091 nvme_scan_ns_sequential(ctrl); in nvme_scan_work()
4092 mutex_unlock(&ctrl->scan_lock); in nvme_scan_work()
4100 void nvme_remove_namespaces(struct nvme_ctrl *ctrl) in nvme_remove_namespaces() argument
4110 nvme_mpath_clear_ctrl_paths(ctrl); in nvme_remove_namespaces()
4113 flush_work(&ctrl->scan_work); in nvme_remove_namespaces()
4121 if (ctrl->state == NVME_CTRL_DEAD) in nvme_remove_namespaces()
4122 nvme_kill_queues(ctrl); in nvme_remove_namespaces()
4125 nvme_change_ctrl_state(ctrl, NVME_CTRL_DELETING_NOIO); in nvme_remove_namespaces()
4127 down_write(&ctrl->namespaces_rwsem); in nvme_remove_namespaces()
4128 list_splice_init(&ctrl->namespaces, &ns_list); in nvme_remove_namespaces()
4129 up_write(&ctrl->namespaces_rwsem); in nvme_remove_namespaces()
4138 struct nvme_ctrl *ctrl = in nvme_class_uevent() local
4140 struct nvmf_ctrl_options *opts = ctrl->opts; in nvme_class_uevent()
4143 ret = add_uevent_var(env, "NVME_TRTYPE=%s", ctrl->ops->name); in nvme_class_uevent()
4168 static void nvme_aen_uevent(struct nvme_ctrl *ctrl) in nvme_aen_uevent() argument
4171 u32 aen_result = ctrl->aen_result; in nvme_aen_uevent()
4173 ctrl->aen_result = 0; in nvme_aen_uevent()
4180 kobject_uevent_env(&ctrl->device->kobj, KOBJ_CHANGE, envp); in nvme_aen_uevent()
4186 struct nvme_ctrl *ctrl = in nvme_async_event_work() local
4189 nvme_aen_uevent(ctrl); in nvme_async_event_work()
4190 ctrl->ops->submit_async_event(ctrl); in nvme_async_event_work()
4193 static bool nvme_ctrl_pp_status(struct nvme_ctrl *ctrl) in nvme_ctrl_pp_status() argument
4198 if (ctrl->ops->reg_read32(ctrl, NVME_REG_CSTS, &csts)) in nvme_ctrl_pp_status()
4204 return ((ctrl->ctrl_config & NVME_CC_ENABLE) && (csts & NVME_CSTS_PP)); in nvme_ctrl_pp_status()
4207 static void nvme_get_fw_slot_info(struct nvme_ctrl *ctrl) in nvme_get_fw_slot_info() argument
4215 if (nvme_get_log(ctrl, NVME_NSID_ALL, NVME_LOG_FW_SLOT, 0, NVME_CSI_NVM, in nvme_get_fw_slot_info()
4217 dev_warn(ctrl->device, "Get FW SLOT INFO log error\n"); in nvme_get_fw_slot_info()
4223 struct nvme_ctrl *ctrl = container_of(work, in nvme_fw_act_work() local
4227 if (ctrl->mtfa) in nvme_fw_act_work()
4229 msecs_to_jiffies(ctrl->mtfa * 100); in nvme_fw_act_work()
4234 nvme_stop_queues(ctrl); in nvme_fw_act_work()
4235 while (nvme_ctrl_pp_status(ctrl)) { in nvme_fw_act_work()
4237 dev_warn(ctrl->device, in nvme_fw_act_work()
4239 nvme_try_sched_reset(ctrl); in nvme_fw_act_work()
4245 if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_LIVE)) in nvme_fw_act_work()
4248 nvme_start_queues(ctrl); in nvme_fw_act_work()
4250 nvme_get_fw_slot_info(ctrl); in nvme_fw_act_work()
4253 static void nvme_handle_aen_notice(struct nvme_ctrl *ctrl, u32 result) in nvme_handle_aen_notice() argument
4257 trace_nvme_async_event(ctrl, aer_notice_type); in nvme_handle_aen_notice()
4261 set_bit(NVME_AER_NOTICE_NS_CHANGED, &ctrl->events); in nvme_handle_aen_notice()
4262 nvme_queue_scan(ctrl); in nvme_handle_aen_notice()
4270 if (nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING)) in nvme_handle_aen_notice()
4271 queue_work(nvme_wq, &ctrl->fw_act_work); in nvme_handle_aen_notice()
4275 if (!ctrl->ana_log_buf) in nvme_handle_aen_notice()
4277 queue_work(nvme_wq, &ctrl->ana_work); in nvme_handle_aen_notice()
4281 ctrl->aen_result = result; in nvme_handle_aen_notice()
4284 dev_warn(ctrl->device, "async event result %08x\n", result); in nvme_handle_aen_notice()
4288 void nvme_complete_async_event(struct nvme_ctrl *ctrl, __le16 status, in nvme_complete_async_event() argument
4299 nvme_handle_aen_notice(ctrl, result); in nvme_complete_async_event()
4305 trace_nvme_async_event(ctrl, aer_type); in nvme_complete_async_event()
4306 ctrl->aen_result = result; in nvme_complete_async_event()
4311 queue_work(nvme_wq, &ctrl->async_event_work); in nvme_complete_async_event()
4315 void nvme_stop_ctrl(struct nvme_ctrl *ctrl) in nvme_stop_ctrl() argument
4317 nvme_mpath_stop(ctrl); in nvme_stop_ctrl()
4318 nvme_stop_keep_alive(ctrl); in nvme_stop_ctrl()
4319 nvme_stop_failfast_work(ctrl); in nvme_stop_ctrl()
4320 flush_work(&ctrl->async_event_work); in nvme_stop_ctrl()
4321 cancel_work_sync(&ctrl->fw_act_work); in nvme_stop_ctrl()
4325 void nvme_start_ctrl(struct nvme_ctrl *ctrl) in nvme_start_ctrl() argument
4327 nvme_start_keep_alive(ctrl); in nvme_start_ctrl()
4329 nvme_enable_aen(ctrl); in nvme_start_ctrl()
4331 if (ctrl->queue_count > 1) { in nvme_start_ctrl()
4332 nvme_queue_scan(ctrl); in nvme_start_ctrl()
4333 nvme_start_queues(ctrl); in nvme_start_ctrl()
4338 void nvme_uninit_ctrl(struct nvme_ctrl *ctrl) in nvme_uninit_ctrl() argument
4340 nvme_hwmon_exit(ctrl); in nvme_uninit_ctrl()
4341 nvme_fault_inject_fini(&ctrl->fault_inject); in nvme_uninit_ctrl()
4342 dev_pm_qos_hide_latency_tolerance(ctrl->device); in nvme_uninit_ctrl()
4343 cdev_device_del(&ctrl->cdev, ctrl->device); in nvme_uninit_ctrl()
4344 nvme_put_ctrl(ctrl); in nvme_uninit_ctrl()
4348 static void nvme_free_cels(struct nvme_ctrl *ctrl) in nvme_free_cels() argument
4353 xa_for_each(&ctrl->cels, i, cel) { in nvme_free_cels()
4354 xa_erase(&ctrl->cels, i); in nvme_free_cels()
4358 xa_destroy(&ctrl->cels); in nvme_free_cels()
4363 struct nvme_ctrl *ctrl = in nvme_free_ctrl() local
4365 struct nvme_subsystem *subsys = ctrl->subsys; in nvme_free_ctrl()
4367 if (!subsys || ctrl->instance != subsys->instance) in nvme_free_ctrl()
4368 ida_simple_remove(&nvme_instance_ida, ctrl->instance); in nvme_free_ctrl()
4370 nvme_free_cels(ctrl); in nvme_free_ctrl()
4371 nvme_mpath_uninit(ctrl); in nvme_free_ctrl()
4372 __free_page(ctrl->discard_page); in nvme_free_ctrl()
4376 list_del(&ctrl->subsys_entry); in nvme_free_ctrl()
4377 sysfs_remove_link(&subsys->dev.kobj, dev_name(ctrl->device)); in nvme_free_ctrl()
4381 ctrl->ops->free_ctrl(ctrl); in nvme_free_ctrl()
4392 int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev, in nvme_init_ctrl() argument
4397 ctrl->state = NVME_CTRL_NEW; in nvme_init_ctrl()
4398 clear_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); in nvme_init_ctrl()
4399 spin_lock_init(&ctrl->lock); in nvme_init_ctrl()
4400 mutex_init(&ctrl->scan_lock); in nvme_init_ctrl()
4401 INIT_LIST_HEAD(&ctrl->namespaces); in nvme_init_ctrl()
4402 xa_init(&ctrl->cels); in nvme_init_ctrl()
4403 init_rwsem(&ctrl->namespaces_rwsem); in nvme_init_ctrl()
4404 ctrl->dev = dev; in nvme_init_ctrl()
4405 ctrl->ops = ops; in nvme_init_ctrl()
4406 ctrl->quirks = quirks; in nvme_init_ctrl()
4407 ctrl->numa_node = NUMA_NO_NODE; in nvme_init_ctrl()
4408 INIT_WORK(&ctrl->scan_work, nvme_scan_work); in nvme_init_ctrl()
4409 INIT_WORK(&ctrl->async_event_work, nvme_async_event_work); in nvme_init_ctrl()
4410 INIT_WORK(&ctrl->fw_act_work, nvme_fw_act_work); in nvme_init_ctrl()
4411 INIT_WORK(&ctrl->delete_work, nvme_delete_ctrl_work); in nvme_init_ctrl()
4412 init_waitqueue_head(&ctrl->state_wq); in nvme_init_ctrl()
4414 INIT_DELAYED_WORK(&ctrl->ka_work, nvme_keep_alive_work); in nvme_init_ctrl()
4415 INIT_DELAYED_WORK(&ctrl->failfast_work, nvme_failfast_work); in nvme_init_ctrl()
4416 memset(&ctrl->ka_cmd, 0, sizeof(ctrl->ka_cmd)); in nvme_init_ctrl()
4417 ctrl->ka_cmd.common.opcode = nvme_admin_keep_alive; in nvme_init_ctrl()
4421 ctrl->discard_page = alloc_page(GFP_KERNEL); in nvme_init_ctrl()
4422 if (!ctrl->discard_page) { in nvme_init_ctrl()
4430 ctrl->instance = ret; in nvme_init_ctrl()
4432 device_initialize(&ctrl->ctrl_device); in nvme_init_ctrl()
4433 ctrl->device = &ctrl->ctrl_device; in nvme_init_ctrl()
4434 ctrl->device->devt = MKDEV(MAJOR(nvme_ctrl_base_chr_devt), in nvme_init_ctrl()
4435 ctrl->instance); in nvme_init_ctrl()
4436 ctrl->device->class = nvme_class; in nvme_init_ctrl()
4437 ctrl->device->parent = ctrl->dev; in nvme_init_ctrl()
4438 ctrl->device->groups = nvme_dev_attr_groups; in nvme_init_ctrl()
4439 ctrl->device->release = nvme_free_ctrl; in nvme_init_ctrl()
4440 dev_set_drvdata(ctrl->device, ctrl); in nvme_init_ctrl()
4441 ret = dev_set_name(ctrl->device, "nvme%d", ctrl->instance); in nvme_init_ctrl()
4445 nvme_get_ctrl(ctrl); in nvme_init_ctrl()
4446 cdev_init(&ctrl->cdev, &nvme_dev_fops); in nvme_init_ctrl()
4447 ctrl->cdev.owner = ops->module; in nvme_init_ctrl()
4448 ret = cdev_device_add(&ctrl->cdev, ctrl->device); in nvme_init_ctrl()
4456 ctrl->device->power.set_latency_tolerance = nvme_set_latency_tolerance; in nvme_init_ctrl()
4457 dev_pm_qos_update_user_latency_tolerance(ctrl->device, in nvme_init_ctrl()
4460 nvme_fault_inject_init(&ctrl->fault_inject, dev_name(ctrl->device)); in nvme_init_ctrl()
4461 nvme_mpath_init_ctrl(ctrl); in nvme_init_ctrl()
4465 nvme_put_ctrl(ctrl); in nvme_init_ctrl()
4466 kfree_const(ctrl->device->kobj.name); in nvme_init_ctrl()
4468 ida_simple_remove(&nvme_instance_ida, ctrl->instance); in nvme_init_ctrl()
4470 if (ctrl->discard_page) in nvme_init_ctrl()
4471 __free_page(ctrl->discard_page); in nvme_init_ctrl()
4478 * @ctrl: the dead controller that needs to end
4483 void nvme_kill_queues(struct nvme_ctrl *ctrl) in nvme_kill_queues() argument
4487 down_read(&ctrl->namespaces_rwsem); in nvme_kill_queues()
4490 if (ctrl->admin_q && !blk_queue_dying(ctrl->admin_q)) in nvme_kill_queues()
4491 blk_mq_unquiesce_queue(ctrl->admin_q); in nvme_kill_queues()
4493 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_kill_queues()
4496 up_read(&ctrl->namespaces_rwsem); in nvme_kill_queues()
4500 void nvme_unfreeze(struct nvme_ctrl *ctrl) in nvme_unfreeze() argument
4504 down_read(&ctrl->namespaces_rwsem); in nvme_unfreeze()
4505 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_unfreeze()
4507 up_read(&ctrl->namespaces_rwsem); in nvme_unfreeze()
4511 int nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout) in nvme_wait_freeze_timeout() argument
4515 down_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze_timeout()
4516 list_for_each_entry(ns, &ctrl->namespaces, list) { in nvme_wait_freeze_timeout()
4521 up_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze_timeout()
4526 void nvme_wait_freeze(struct nvme_ctrl *ctrl) in nvme_wait_freeze() argument
4530 down_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze()
4531 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_wait_freeze()
4533 up_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze()
4537 void nvme_start_freeze(struct nvme_ctrl *ctrl) in nvme_start_freeze() argument
4541 down_read(&ctrl->namespaces_rwsem); in nvme_start_freeze()
4542 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_start_freeze()
4544 up_read(&ctrl->namespaces_rwsem); in nvme_start_freeze()
4548 void nvme_stop_queues(struct nvme_ctrl *ctrl) in nvme_stop_queues() argument
4552 down_read(&ctrl->namespaces_rwsem); in nvme_stop_queues()
4553 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_stop_queues()
4555 up_read(&ctrl->namespaces_rwsem); in nvme_stop_queues()
4559 void nvme_start_queues(struct nvme_ctrl *ctrl) in nvme_start_queues() argument
4563 down_read(&ctrl->namespaces_rwsem); in nvme_start_queues()
4564 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_start_queues()
4566 up_read(&ctrl->namespaces_rwsem); in nvme_start_queues()
4570 void nvme_sync_io_queues(struct nvme_ctrl *ctrl) in nvme_sync_io_queues() argument
4574 down_read(&ctrl->namespaces_rwsem); in nvme_sync_io_queues()
4575 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_sync_io_queues()
4577 up_read(&ctrl->namespaces_rwsem); in nvme_sync_io_queues()
4581 void nvme_sync_queues(struct nvme_ctrl *ctrl) in nvme_sync_queues() argument
4583 nvme_sync_io_queues(ctrl); in nvme_sync_queues()
4584 if (ctrl->admin_q) in nvme_sync_queues()
4585 blk_sync_queue(ctrl->admin_q); in nvme_sync_queues()