Lines Matching refs:ctrl
117 static void nvme_remove_invalid_namespaces(struct nvme_ctrl *ctrl,
119 static void nvme_update_keep_alive(struct nvme_ctrl *ctrl,
122 void nvme_queue_scan(struct nvme_ctrl *ctrl) in nvme_queue_scan() argument
127 if (ctrl->state == NVME_CTRL_LIVE && ctrl->tagset) in nvme_queue_scan()
128 queue_work(nvme_wq, &ctrl->scan_work); in nvme_queue_scan()
137 int nvme_try_sched_reset(struct nvme_ctrl *ctrl) in nvme_try_sched_reset() argument
139 if (ctrl->state != NVME_CTRL_RESETTING) in nvme_try_sched_reset()
141 if (!queue_work(nvme_reset_wq, &ctrl->reset_work)) in nvme_try_sched_reset()
149 struct nvme_ctrl *ctrl = container_of(to_delayed_work(work), in nvme_failfast_work() local
152 if (ctrl->state != NVME_CTRL_CONNECTING) in nvme_failfast_work()
155 set_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); in nvme_failfast_work()
156 dev_info(ctrl->device, "failfast expired\n"); in nvme_failfast_work()
157 nvme_kick_requeue_lists(ctrl); in nvme_failfast_work()
160 static inline void nvme_start_failfast_work(struct nvme_ctrl *ctrl) in nvme_start_failfast_work() argument
162 if (!ctrl->opts || ctrl->opts->fast_io_fail_tmo == -1) in nvme_start_failfast_work()
165 schedule_delayed_work(&ctrl->failfast_work, in nvme_start_failfast_work()
166 ctrl->opts->fast_io_fail_tmo * HZ); in nvme_start_failfast_work()
169 static inline void nvme_stop_failfast_work(struct nvme_ctrl *ctrl) in nvme_stop_failfast_work() argument
171 if (!ctrl->opts) in nvme_stop_failfast_work()
174 cancel_delayed_work_sync(&ctrl->failfast_work); in nvme_stop_failfast_work()
175 clear_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); in nvme_stop_failfast_work()
179 int nvme_reset_ctrl(struct nvme_ctrl *ctrl) in nvme_reset_ctrl() argument
181 if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING)) in nvme_reset_ctrl()
183 if (!queue_work(nvme_reset_wq, &ctrl->reset_work)) in nvme_reset_ctrl()
189 int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl) in nvme_reset_ctrl_sync() argument
193 ret = nvme_reset_ctrl(ctrl); in nvme_reset_ctrl_sync()
195 flush_work(&ctrl->reset_work); in nvme_reset_ctrl_sync()
196 if (ctrl->state != NVME_CTRL_LIVE) in nvme_reset_ctrl_sync()
203 static void nvme_do_delete_ctrl(struct nvme_ctrl *ctrl) in nvme_do_delete_ctrl() argument
205 dev_info(ctrl->device, in nvme_do_delete_ctrl()
206 "Removing ctrl: NQN \"%s\"\n", nvmf_ctrl_subsysnqn(ctrl)); in nvme_do_delete_ctrl()
208 flush_work(&ctrl->reset_work); in nvme_do_delete_ctrl()
209 nvme_stop_ctrl(ctrl); in nvme_do_delete_ctrl()
210 nvme_remove_namespaces(ctrl); in nvme_do_delete_ctrl()
211 ctrl->ops->delete_ctrl(ctrl); in nvme_do_delete_ctrl()
212 nvme_uninit_ctrl(ctrl); in nvme_do_delete_ctrl()
217 struct nvme_ctrl *ctrl = in nvme_delete_ctrl_work() local
220 nvme_do_delete_ctrl(ctrl); in nvme_delete_ctrl_work()
223 int nvme_delete_ctrl(struct nvme_ctrl *ctrl) in nvme_delete_ctrl() argument
225 if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_DELETING)) in nvme_delete_ctrl()
227 if (!queue_work(nvme_delete_wq, &ctrl->delete_work)) in nvme_delete_ctrl()
233 static void nvme_delete_ctrl_sync(struct nvme_ctrl *ctrl) in nvme_delete_ctrl_sync() argument
239 nvme_get_ctrl(ctrl); in nvme_delete_ctrl_sync()
240 if (nvme_change_ctrl_state(ctrl, NVME_CTRL_DELETING)) in nvme_delete_ctrl_sync()
241 nvme_do_delete_ctrl(ctrl); in nvme_delete_ctrl_sync()
242 nvme_put_ctrl(ctrl); in nvme_delete_ctrl_sync()
295 delay = nvme_req(req)->ctrl->crdt[crd - 1] * 100; in nvme_retry_req()
352 if (nvme_req(req)->ctrl->kas) in nvme_complete_rq()
353 nvme_req(req)->ctrl->comp_seen = true; in nvme_complete_rq()
407 void nvme_cancel_tagset(struct nvme_ctrl *ctrl) in nvme_cancel_tagset() argument
409 if (ctrl->tagset) { in nvme_cancel_tagset()
410 blk_mq_tagset_busy_iter(ctrl->tagset, in nvme_cancel_tagset()
411 nvme_cancel_request, ctrl); in nvme_cancel_tagset()
412 blk_mq_tagset_wait_completed_request(ctrl->tagset); in nvme_cancel_tagset()
417 void nvme_cancel_admin_tagset(struct nvme_ctrl *ctrl) in nvme_cancel_admin_tagset() argument
419 if (ctrl->admin_tagset) { in nvme_cancel_admin_tagset()
420 blk_mq_tagset_busy_iter(ctrl->admin_tagset, in nvme_cancel_admin_tagset()
421 nvme_cancel_request, ctrl); in nvme_cancel_admin_tagset()
422 blk_mq_tagset_wait_completed_request(ctrl->admin_tagset); in nvme_cancel_admin_tagset()
427 bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, in nvme_change_ctrl_state() argument
434 spin_lock_irqsave(&ctrl->lock, flags); in nvme_change_ctrl_state()
436 old_state = ctrl->state; in nvme_change_ctrl_state()
504 ctrl->state = new_state; in nvme_change_ctrl_state()
505 wake_up_all(&ctrl->state_wq); in nvme_change_ctrl_state()
508 spin_unlock_irqrestore(&ctrl->lock, flags); in nvme_change_ctrl_state()
512 if (ctrl->state == NVME_CTRL_LIVE) { in nvme_change_ctrl_state()
514 nvme_stop_failfast_work(ctrl); in nvme_change_ctrl_state()
515 nvme_kick_requeue_lists(ctrl); in nvme_change_ctrl_state()
516 } else if (ctrl->state == NVME_CTRL_CONNECTING && in nvme_change_ctrl_state()
518 nvme_start_failfast_work(ctrl); in nvme_change_ctrl_state()
527 static bool nvme_state_terminal(struct nvme_ctrl *ctrl) in nvme_state_terminal() argument
529 switch (ctrl->state) { in nvme_state_terminal()
540 WARN_ONCE(1, "Unhandled ctrl state:%d", ctrl->state); in nvme_state_terminal()
549 bool nvme_wait_reset(struct nvme_ctrl *ctrl) in nvme_wait_reset() argument
551 wait_event(ctrl->state_wq, in nvme_wait_reset()
552 nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING) || in nvme_wait_reset()
553 nvme_state_terminal(ctrl)); in nvme_wait_reset()
554 return ctrl->state == NVME_CTRL_RESETTING; in nvme_wait_reset()
586 nvme_put_ctrl(ns->ctrl); in nvme_free_ns()
665 blk_status_t nvme_fail_nonready_command(struct nvme_ctrl *ctrl, in nvme_fail_nonready_command() argument
668 if (ctrl->state != NVME_CTRL_DELETING_NOIO && in nvme_fail_nonready_command()
669 ctrl->state != NVME_CTRL_DELETING && in nvme_fail_nonready_command()
670 ctrl->state != NVME_CTRL_DEAD && in nvme_fail_nonready_command()
671 !test_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags) && in nvme_fail_nonready_command()
678 bool __nvme_check_ready(struct nvme_ctrl *ctrl, struct request *rq, in __nvme_check_ready() argument
691 if (rq->q == ctrl->admin_q && (req->flags & NVME_REQ_USERCMD)) in __nvme_check_ready()
694 if (ctrl->ops->flags & NVME_F_FABRICS) { in __nvme_check_ready()
700 switch (ctrl->state) { in __nvme_check_ready()
717 static int nvme_toggle_streams(struct nvme_ctrl *ctrl, bool enable) in nvme_toggle_streams() argument
728 return nvme_submit_sync_cmd(ctrl->admin_q, &c, NULL, 0); in nvme_toggle_streams()
731 static int nvme_disable_streams(struct nvme_ctrl *ctrl) in nvme_disable_streams() argument
733 return nvme_toggle_streams(ctrl, false); in nvme_disable_streams()
736 static int nvme_enable_streams(struct nvme_ctrl *ctrl) in nvme_enable_streams() argument
738 return nvme_toggle_streams(ctrl, true); in nvme_enable_streams()
741 static int nvme_get_stream_params(struct nvme_ctrl *ctrl, in nvme_get_stream_params() argument
754 return nvme_submit_sync_cmd(ctrl->admin_q, &c, s, sizeof(*s)); in nvme_get_stream_params()
757 static int nvme_configure_directives(struct nvme_ctrl *ctrl) in nvme_configure_directives() argument
762 if (!(ctrl->oacs & NVME_CTRL_OACS_DIRECTIVES)) in nvme_configure_directives()
767 ret = nvme_enable_streams(ctrl); in nvme_configure_directives()
771 ret = nvme_get_stream_params(ctrl, &s, NVME_NSID_ALL); in nvme_configure_directives()
775 ctrl->nssa = le16_to_cpu(s.nssa); in nvme_configure_directives()
776 if (ctrl->nssa < BLK_MAX_WRITE_HINTS - 1) { in nvme_configure_directives()
777 dev_info(ctrl->device, "too few streams (%u) available\n", in nvme_configure_directives()
778 ctrl->nssa); in nvme_configure_directives()
782 ctrl->nr_streams = min_t(u16, ctrl->nssa, BLK_MAX_WRITE_HINTS - 1); in nvme_configure_directives()
783 dev_info(ctrl->device, "Using %u streams\n", ctrl->nr_streams); in nvme_configure_directives()
787 nvme_disable_streams(ctrl); in nvme_configure_directives()
795 static void nvme_assign_write_stream(struct nvme_ctrl *ctrl, in nvme_assign_write_stream() argument
805 if (WARN_ON_ONCE(streamid > ctrl->nr_streams)) in nvme_assign_write_stream()
845 if (test_and_set_bit_lock(0, &ns->ctrl->discard_page_busy)) in nvme_setup_discard()
848 range = page_address(ns->ctrl->discard_page); in nvme_setup_discard()
864 if (virt_to_page(range) == ns->ctrl->discard_page) in nvme_setup_discard()
865 clear_bit_unlock(0, &ns->ctrl->discard_page_busy); in nvme_setup_discard()
890 if (ns->ctrl->quirks & NVME_QUIRK_DEALLOCATE_ZEROES) in nvme_setup_write_zeroes()
919 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_setup_rw() local
942 if (req_op(req) == REQ_OP_WRITE && ctrl->nr_streams) in nvme_setup_rw()
943 nvme_assign_write_stream(ctrl, req, &control, &dsmgmt); in nvme_setup_rw()
981 struct nvme_ctrl *ctrl = nvme_req(req)->ctrl; in nvme_cleanup_cmd() local
983 if (req->special_vec.bv_page == ctrl->discard_page) in nvme_cleanup_cmd()
984 clear_bit_unlock(0, &ctrl->discard_page_busy); in nvme_cleanup_cmd()
994 struct nvme_ctrl *ctrl = nvme_req(req)->ctrl; in nvme_setup_cmd() local
1041 if (!(ctrl->quirks & NVME_QUIRK_SKIP_CID_GEN)) in nvme_setup_cmd()
1127 u32 nvme_command_effects(struct nvme_ctrl *ctrl, struct nvme_ns *ns, u8 opcode) in nvme_command_effects() argument
1135 dev_warn_once(ctrl->device, in nvme_command_effects()
1141 if (ctrl->effects) in nvme_command_effects()
1142 effects = le32_to_cpu(ctrl->effects->acs[opcode]); in nvme_command_effects()
1149 static u32 nvme_passthru_start(struct nvme_ctrl *ctrl, struct nvme_ns *ns, in nvme_passthru_start() argument
1152 u32 effects = nvme_command_effects(ctrl, ns, opcode); in nvme_passthru_start()
1159 mutex_lock(&ctrl->scan_lock); in nvme_passthru_start()
1160 mutex_lock(&ctrl->subsys->lock); in nvme_passthru_start()
1161 nvme_mpath_start_freeze(ctrl->subsys); in nvme_passthru_start()
1162 nvme_mpath_wait_freeze(ctrl->subsys); in nvme_passthru_start()
1163 nvme_start_freeze(ctrl); in nvme_passthru_start()
1164 nvme_wait_freeze(ctrl); in nvme_passthru_start()
1169 static void nvme_passthru_end(struct nvme_ctrl *ctrl, u32 effects, in nvme_passthru_end() argument
1173 nvme_unfreeze(ctrl); in nvme_passthru_end()
1174 nvme_mpath_unfreeze(ctrl->subsys); in nvme_passthru_end()
1175 mutex_unlock(&ctrl->subsys->lock); in nvme_passthru_end()
1176 nvme_remove_invalid_namespaces(ctrl, NVME_NSID_ALL); in nvme_passthru_end()
1177 mutex_unlock(&ctrl->scan_lock); in nvme_passthru_end()
1180 nvme_init_ctrl_finish(ctrl); in nvme_passthru_end()
1182 nvme_queue_scan(ctrl); in nvme_passthru_end()
1183 flush_work(&ctrl->scan_work); in nvme_passthru_end()
1196 nvme_update_keep_alive(ctrl, cmd); in nvme_passthru_end()
1210 struct nvme_ctrl *ctrl = nvme_req(rq)->ctrl; in nvme_execute_passthru_rq() local
1216 effects = nvme_passthru_start(ctrl, ns, cmd->common.opcode); in nvme_execute_passthru_rq()
1219 nvme_passthru_end(ctrl, effects, cmd, ret); in nvme_execute_passthru_rq()
1231 static void nvme_queue_keep_alive_work(struct nvme_ctrl *ctrl) in nvme_queue_keep_alive_work() argument
1233 queue_delayed_work(nvme_wq, &ctrl->ka_work, ctrl->kato * HZ / 2); in nvme_queue_keep_alive_work()
1238 struct nvme_ctrl *ctrl = rq->end_io_data; in nvme_keep_alive_end_io() local
1245 dev_err(ctrl->device, in nvme_keep_alive_end_io()
1251 ctrl->comp_seen = false; in nvme_keep_alive_end_io()
1252 spin_lock_irqsave(&ctrl->lock, flags); in nvme_keep_alive_end_io()
1253 if (ctrl->state == NVME_CTRL_LIVE || in nvme_keep_alive_end_io()
1254 ctrl->state == NVME_CTRL_CONNECTING) in nvme_keep_alive_end_io()
1256 spin_unlock_irqrestore(&ctrl->lock, flags); in nvme_keep_alive_end_io()
1258 nvme_queue_keep_alive_work(ctrl); in nvme_keep_alive_end_io()
1263 struct nvme_ctrl *ctrl = container_of(to_delayed_work(work), in nvme_keep_alive_work() local
1265 bool comp_seen = ctrl->comp_seen; in nvme_keep_alive_work()
1268 if ((ctrl->ctratt & NVME_CTRL_ATTR_TBKAS) && comp_seen) { in nvme_keep_alive_work()
1269 dev_dbg(ctrl->device, in nvme_keep_alive_work()
1271 ctrl->comp_seen = false; in nvme_keep_alive_work()
1272 nvme_queue_keep_alive_work(ctrl); in nvme_keep_alive_work()
1276 rq = nvme_alloc_request(ctrl->admin_q, &ctrl->ka_cmd, in nvme_keep_alive_work()
1280 dev_err(ctrl->device, "keep-alive failed: %ld\n", PTR_ERR(rq)); in nvme_keep_alive_work()
1281 nvme_reset_ctrl(ctrl); in nvme_keep_alive_work()
1285 rq->timeout = ctrl->kato * HZ; in nvme_keep_alive_work()
1286 rq->end_io_data = ctrl; in nvme_keep_alive_work()
1290 static void nvme_start_keep_alive(struct nvme_ctrl *ctrl) in nvme_start_keep_alive() argument
1292 if (unlikely(ctrl->kato == 0)) in nvme_start_keep_alive()
1295 nvme_queue_keep_alive_work(ctrl); in nvme_start_keep_alive()
1298 void nvme_stop_keep_alive(struct nvme_ctrl *ctrl) in nvme_stop_keep_alive() argument
1300 if (unlikely(ctrl->kato == 0)) in nvme_stop_keep_alive()
1303 cancel_delayed_work_sync(&ctrl->ka_work); in nvme_stop_keep_alive()
1307 static void nvme_update_keep_alive(struct nvme_ctrl *ctrl, in nvme_update_keep_alive() argument
1313 dev_info(ctrl->device, in nvme_update_keep_alive()
1315 ctrl->kato * 1000 / 2, new_kato * 1000 / 2); in nvme_update_keep_alive()
1317 nvme_stop_keep_alive(ctrl); in nvme_update_keep_alive()
1318 ctrl->kato = new_kato; in nvme_update_keep_alive()
1319 nvme_start_keep_alive(ctrl); in nvme_update_keep_alive()
1328 static bool nvme_ctrl_limited_cns(struct nvme_ctrl *ctrl) in nvme_ctrl_limited_cns() argument
1330 if (ctrl->quirks & NVME_QUIRK_IDENTIFY_CNS) in nvme_ctrl_limited_cns()
1331 return ctrl->vs < NVME_VS(1, 2, 0); in nvme_ctrl_limited_cns()
1332 return ctrl->vs < NVME_VS(1, 1, 0); in nvme_ctrl_limited_cns()
1355 static int nvme_process_ns_desc(struct nvme_ctrl *ctrl, struct nvme_ns_ids *ids, in nvme_process_ns_desc() argument
1364 dev_warn(ctrl->device, "%s %d for NVME_NIDT_EUI64\n", in nvme_process_ns_desc()
1372 dev_warn(ctrl->device, "%s %d for NVME_NIDT_NGUID\n", in nvme_process_ns_desc()
1380 dev_warn(ctrl->device, "%s %d for NVME_NIDT_UUID\n", in nvme_process_ns_desc()
1388 dev_warn(ctrl->device, "%s %d for NVME_NIDT_CSI\n", in nvme_process_ns_desc()
1401 static int nvme_identify_ns_descs(struct nvme_ctrl *ctrl, unsigned nsid, in nvme_identify_ns_descs() argument
1409 if (ctrl->vs < NVME_VS(1, 3, 0) && !nvme_multi_css(ctrl)) in nvme_identify_ns_descs()
1411 if (ctrl->quirks & NVME_QUIRK_NO_NS_DESC_LIST) in nvme_identify_ns_descs()
1422 status = nvme_submit_sync_cmd(ctrl->admin_q, &c, data, in nvme_identify_ns_descs()
1425 dev_warn(ctrl->device, in nvme_identify_ns_descs()
1437 len = nvme_process_ns_desc(ctrl, ids, cur, &csi_seen); in nvme_identify_ns_descs()
1444 if (nvme_multi_css(ctrl) && !csi_seen) { in nvme_identify_ns_descs()
1445 dev_warn(ctrl->device, "Command set not reported for nsid:%d\n", in nvme_identify_ns_descs()
1455 static int nvme_identify_ns(struct nvme_ctrl *ctrl, unsigned nsid, in nvme_identify_ns() argument
1470 error = nvme_submit_sync_cmd(ctrl->admin_q, &c, *id, sizeof(**id)); in nvme_identify_ns()
1472 dev_warn(ctrl->device, "Identify namespace failed (%d)\n", error); in nvme_identify_ns()
1480 if (ctrl->vs >= NVME_VS(1, 1, 0) && in nvme_identify_ns()
1483 if (ctrl->vs >= NVME_VS(1, 2, 0) && in nvme_identify_ns()
1530 int nvme_set_queue_count(struct nvme_ctrl *ctrl, int *count) in nvme_set_queue_count() argument
1536 status = nvme_set_features(ctrl, NVME_FEAT_NUM_QUEUES, q_count, NULL, 0, in nvme_set_queue_count()
1547 dev_err(ctrl->device, "Could not set queue count (%d)\n", status); in nvme_set_queue_count()
1562 static void nvme_enable_aen(struct nvme_ctrl *ctrl) in nvme_enable_aen() argument
1564 u32 result, supported_aens = ctrl->oaes & NVME_AEN_SUPPORTED; in nvme_enable_aen()
1570 status = nvme_set_features(ctrl, NVME_FEAT_ASYNC_EVENT, supported_aens, in nvme_enable_aen()
1573 dev_warn(ctrl->device, "Failed to configure AEN (cfg %x)\n", in nvme_enable_aen()
1576 queue_work(nvme_wq, &ctrl->async_event_work); in nvme_enable_aen()
1587 if (!try_module_get(ns->ctrl->ops->module)) in nvme_ns_open()
1601 module_put(ns->ctrl->ops->module); in nvme_ns_release()
1659 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_config_discard() local
1663 if (ctrl->max_discard_sectors == 0) { in nvme_config_discard()
1668 if (ctrl->nr_streams && ns->sws && ns->sgs) in nvme_config_discard()
1681 blk_queue_max_discard_sectors(queue, ctrl->max_discard_sectors); in nvme_config_discard()
1682 blk_queue_max_discard_segments(queue, ctrl->max_discard_segments); in nvme_config_discard()
1684 if (ctrl->quirks & NVME_QUIRK_DEALLOCATE_ZEROES) in nvme_config_discard()
1703 static int nvme_setup_streams_ns(struct nvme_ctrl *ctrl, struct nvme_ns *ns, in nvme_setup_streams_ns() argument
1709 if (!ctrl->nr_streams) in nvme_setup_streams_ns()
1712 ret = nvme_get_stream_params(ctrl, &s, ns->head->ns_id); in nvme_setup_streams_ns()
1730 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_configure_metadata() local
1743 if (!ns->ms || !(ctrl->ops->flags & NVME_F_METADATA_SUPPORTED)) in nvme_configure_metadata()
1745 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_configure_metadata()
1765 if (ctrl->max_integrity_segments && nvme_ns_has_pi(ns)) in nvme_configure_metadata()
1783 static void nvme_set_queue_limits(struct nvme_ctrl *ctrl, in nvme_set_queue_limits() argument
1786 bool vwc = ctrl->vwc & NVME_CTRL_VWC_PRESENT; in nvme_set_queue_limits()
1788 if (ctrl->max_hw_sectors) { in nvme_set_queue_limits()
1790 (ctrl->max_hw_sectors / (NVME_CTRL_PAGE_SIZE >> 9)) + 1; in nvme_set_queue_limits()
1792 max_segments = min_not_zero(max_segments, ctrl->max_segments); in nvme_set_queue_limits()
1793 blk_queue_max_hw_sectors(q, ctrl->max_hw_sectors); in nvme_set_queue_limits()
1820 nvme_setup_streams_ns(ns->ctrl, ns, &phys_bs, &io_opt); in nvme_update_disk_info()
1830 atomic_bs = (1 + ns->ctrl->subsys->awupf) * bs; in nvme_update_disk_info()
1860 ns->ctrl->max_integrity_segments); in nvme_update_disk_info()
1869 ns->ctrl->max_zeroes_sectors); in nvme_update_disk_info()
1883 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_set_chunk_sectors() local
1886 if ((ctrl->quirks & NVME_QUIRK_STRIPE_SIZE) && in nvme_set_chunk_sectors()
1887 is_power_of_2(ctrl->max_hw_sectors)) in nvme_set_chunk_sectors()
1888 iob = ctrl->max_hw_sectors; in nvme_set_chunk_sectors()
1919 nvme_set_queue_limits(ns->ctrl, ns->queue); in nvme_update_ns_info()
2089 struct nvme_ctrl *ctrl = data; in nvme_sec_submit() local
2100 return __nvme_submit_sync_cmd(ctrl->admin_q, &cmd, NULL, buffer, len, 0, in nvme_sec_submit()
2127 static int nvme_wait_ready(struct nvme_ctrl *ctrl, u64 cap, bool enabled) in nvme_wait_ready() argument
2134 while ((ret = ctrl->ops->reg_read32(ctrl, NVME_REG_CSTS, &csts)) == 0) { in nvme_wait_ready()
2144 dev_err(ctrl->device, in nvme_wait_ready()
2160 int nvme_disable_ctrl(struct nvme_ctrl *ctrl) in nvme_disable_ctrl() argument
2164 ctrl->ctrl_config &= ~NVME_CC_SHN_MASK; in nvme_disable_ctrl()
2165 ctrl->ctrl_config &= ~NVME_CC_ENABLE; in nvme_disable_ctrl()
2167 ret = ctrl->ops->reg_write32(ctrl, NVME_REG_CC, ctrl->ctrl_config); in nvme_disable_ctrl()
2171 if (ctrl->quirks & NVME_QUIRK_DELAY_BEFORE_CHK_RDY) in nvme_disable_ctrl()
2174 return nvme_wait_ready(ctrl, ctrl->cap, false); in nvme_disable_ctrl()
2178 int nvme_enable_ctrl(struct nvme_ctrl *ctrl) in nvme_enable_ctrl() argument
2183 ret = ctrl->ops->reg_read64(ctrl, NVME_REG_CAP, &ctrl->cap); in nvme_enable_ctrl()
2185 dev_err(ctrl->device, "Reading CAP failed (%d)\n", ret); in nvme_enable_ctrl()
2188 dev_page_min = NVME_CAP_MPSMIN(ctrl->cap) + 12; in nvme_enable_ctrl()
2191 dev_err(ctrl->device, in nvme_enable_ctrl()
2197 if (NVME_CAP_CSS(ctrl->cap) & NVME_CAP_CSS_CSI) in nvme_enable_ctrl()
2198 ctrl->ctrl_config = NVME_CC_CSS_CSI; in nvme_enable_ctrl()
2200 ctrl->ctrl_config = NVME_CC_CSS_NVM; in nvme_enable_ctrl()
2201 ctrl->ctrl_config |= (NVME_CTRL_PAGE_SHIFT - 12) << NVME_CC_MPS_SHIFT; in nvme_enable_ctrl()
2202 ctrl->ctrl_config |= NVME_CC_AMS_RR | NVME_CC_SHN_NONE; in nvme_enable_ctrl()
2203 ctrl->ctrl_config |= NVME_CC_IOSQES | NVME_CC_IOCQES; in nvme_enable_ctrl()
2204 ctrl->ctrl_config |= NVME_CC_ENABLE; in nvme_enable_ctrl()
2206 ret = ctrl->ops->reg_write32(ctrl, NVME_REG_CC, ctrl->ctrl_config); in nvme_enable_ctrl()
2209 return nvme_wait_ready(ctrl, ctrl->cap, true); in nvme_enable_ctrl()
2213 int nvme_shutdown_ctrl(struct nvme_ctrl *ctrl) in nvme_shutdown_ctrl() argument
2215 unsigned long timeout = jiffies + (ctrl->shutdown_timeout * HZ); in nvme_shutdown_ctrl()
2219 ctrl->ctrl_config &= ~NVME_CC_SHN_MASK; in nvme_shutdown_ctrl()
2220 ctrl->ctrl_config |= NVME_CC_SHN_NORMAL; in nvme_shutdown_ctrl()
2222 ret = ctrl->ops->reg_write32(ctrl, NVME_REG_CC, ctrl->ctrl_config); in nvme_shutdown_ctrl()
2226 while ((ret = ctrl->ops->reg_read32(ctrl, NVME_REG_CSTS, &csts)) == 0) { in nvme_shutdown_ctrl()
2234 dev_err(ctrl->device, in nvme_shutdown_ctrl()
2244 static int nvme_configure_timestamp(struct nvme_ctrl *ctrl) in nvme_configure_timestamp() argument
2249 if (!(ctrl->oncs & NVME_CTRL_ONCS_TIMESTAMP)) in nvme_configure_timestamp()
2253 ret = nvme_set_features(ctrl, NVME_FEAT_TIMESTAMP, 0, &ts, sizeof(ts), in nvme_configure_timestamp()
2256 dev_warn_once(ctrl->device, in nvme_configure_timestamp()
2261 static int nvme_configure_acre(struct nvme_ctrl *ctrl) in nvme_configure_acre() argument
2267 if (!ctrl->crdt[0]) in nvme_configure_acre()
2275 ret = nvme_set_features(ctrl, NVME_FEAT_HOST_BEHAVIOR, 0, in nvme_configure_acre()
2335 static int nvme_configure_apst(struct nvme_ctrl *ctrl) in nvme_configure_apst() argument
2350 if (!ctrl->apsta) in nvme_configure_apst()
2353 if (ctrl->npss > 31) { in nvme_configure_apst()
2354 dev_warn(ctrl->device, "NPSS is invalid; not using APST\n"); in nvme_configure_apst()
2362 if (!ctrl->apst_enabled || ctrl->ps_max_latency_us == 0) { in nvme_configure_apst()
2364 dev_dbg(ctrl->device, "APST disabled\n"); in nvme_configure_apst()
2374 for (state = (int)ctrl->npss; state >= 0; state--) { in nvme_configure_apst()
2384 if (state == ctrl->npss && in nvme_configure_apst()
2385 (ctrl->quirks & NVME_QUIRK_NO_DEEPEST_PS)) in nvme_configure_apst()
2392 if (!(ctrl->psd[state].flags & NVME_PS_FLAGS_NON_OP_STATE)) in nvme_configure_apst()
2395 exit_latency_us = (u64)le32_to_cpu(ctrl->psd[state].exit_lat); in nvme_configure_apst()
2396 if (exit_latency_us > ctrl->ps_max_latency_us) in nvme_configure_apst()
2400 le32_to_cpu(ctrl->psd[state].entry_lat); in nvme_configure_apst()
2425 dev_dbg(ctrl->device, "APST enabled but no non-operational states are available\n"); in nvme_configure_apst()
2427 …dev_dbg(ctrl->device, "APST enabled: max PS = %d, max round-trip latency = %lluus, table = %*phN\n… in nvme_configure_apst()
2432 ret = nvme_set_features(ctrl, NVME_FEAT_AUTO_PST, apste, in nvme_configure_apst()
2435 dev_err(ctrl->device, "failed to set APST feature (%d)\n", ret); in nvme_configure_apst()
2442 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_set_latency_tolerance() local
2455 if (ctrl->ps_max_latency_us != latency) { in nvme_set_latency_tolerance()
2456 ctrl->ps_max_latency_us = latency; in nvme_set_latency_tolerance()
2457 if (ctrl->state == NVME_CTRL_LIVE) in nvme_set_latency_tolerance()
2458 nvme_configure_apst(ctrl); in nvme_set_latency_tolerance()
2539 static void nvme_init_subnqn(struct nvme_subsystem *subsys, struct nvme_ctrl *ctrl, in nvme_init_subnqn() argument
2545 if(!(ctrl->quirks & NVME_QUIRK_IGNORE_DEV_SUBNQN)) { in nvme_init_subnqn()
2552 if (ctrl->vs >= NVME_VS(1, 2, 1)) in nvme_init_subnqn()
2553 dev_warn(ctrl->device, "missing or invalid SUBNQN field.\n"); in nvme_init_subnqn()
2693 static inline bool nvme_discovery_ctrl(struct nvme_ctrl *ctrl) in nvme_discovery_ctrl() argument
2695 return ctrl->opts && ctrl->opts->discovery_nqn; in nvme_discovery_ctrl()
2699 struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) in nvme_validate_cntlid() argument
2709 if (tmp->cntlid == ctrl->cntlid) { in nvme_validate_cntlid()
2710 dev_err(ctrl->device, in nvme_validate_cntlid()
2712 ctrl->cntlid, dev_name(tmp->device), in nvme_validate_cntlid()
2718 nvme_discovery_ctrl(ctrl)) in nvme_validate_cntlid()
2721 dev_err(ctrl->device, in nvme_validate_cntlid()
2729 static int nvme_init_subsystem(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) in nvme_init_subsystem() argument
2743 nvme_init_subnqn(subsys, ctrl, id); in nvme_init_subsystem()
2757 if (nvme_discovery_ctrl(ctrl) && subsys->subtype != NVME_NQN_DISC) { in nvme_init_subsystem()
2758 dev_err(ctrl->device, in nvme_init_subsystem()
2772 dev_set_name(&subsys->dev, "nvme-subsys%d", ctrl->instance); in nvme_init_subsystem()
2781 if (!nvme_validate_cntlid(subsys, ctrl, id)) { in nvme_init_subsystem()
2788 dev_err(ctrl->device, in nvme_init_subsystem()
2797 ret = sysfs_create_link(&subsys->dev.kobj, &ctrl->device->kobj, in nvme_init_subsystem()
2798 dev_name(ctrl->device)); in nvme_init_subsystem()
2800 dev_err(ctrl->device, in nvme_init_subsystem()
2806 subsys->instance = ctrl->instance; in nvme_init_subsystem()
2807 ctrl->subsys = subsys; in nvme_init_subsystem()
2808 list_add_tail(&ctrl->subsys_entry, &subsys->ctrls); in nvme_init_subsystem()
2819 int nvme_get_log(struct nvme_ctrl *ctrl, u32 nsid, u8 log_page, u8 lsp, u8 csi, in nvme_get_log() argument
2835 return nvme_submit_sync_cmd(ctrl->admin_q, &c, log, size); in nvme_get_log()
2838 static int nvme_get_effects_log(struct nvme_ctrl *ctrl, u8 csi, in nvme_get_effects_log() argument
2841 struct nvme_effects_log *cel = xa_load(&ctrl->cels, csi); in nvme_get_effects_log()
2851 ret = nvme_get_log(ctrl, 0x00, NVME_LOG_CMD_EFFECTS, 0, csi, in nvme_get_effects_log()
2858 xa_store(&ctrl->cels, csi, cel, GFP_KERNEL); in nvme_get_effects_log()
2864 static inline u32 nvme_mps_to_sectors(struct nvme_ctrl *ctrl, u32 units) in nvme_mps_to_sectors() argument
2866 u32 page_shift = NVME_CAP_MPSMIN(ctrl->cap) + 12, val; in nvme_mps_to_sectors()
2873 static int nvme_init_non_mdts_limits(struct nvme_ctrl *ctrl) in nvme_init_non_mdts_limits() argument
2879 if (ctrl->oncs & NVME_CTRL_ONCS_DSM) { in nvme_init_non_mdts_limits()
2880 ctrl->max_discard_sectors = UINT_MAX; in nvme_init_non_mdts_limits()
2881 ctrl->max_discard_segments = NVME_DSM_MAX_RANGES; in nvme_init_non_mdts_limits()
2883 ctrl->max_discard_sectors = 0; in nvme_init_non_mdts_limits()
2884 ctrl->max_discard_segments = 0; in nvme_init_non_mdts_limits()
2893 if ((ctrl->oncs & NVME_CTRL_ONCS_WRITE_ZEROES) && in nvme_init_non_mdts_limits()
2894 !(ctrl->quirks & NVME_QUIRK_DISABLE_WRITE_ZEROES)) in nvme_init_non_mdts_limits()
2895 ctrl->max_zeroes_sectors = ctrl->max_hw_sectors; in nvme_init_non_mdts_limits()
2897 ctrl->max_zeroes_sectors = 0; in nvme_init_non_mdts_limits()
2899 if (nvme_ctrl_limited_cns(ctrl)) in nvme_init_non_mdts_limits()
2910 ret = nvme_submit_sync_cmd(ctrl->admin_q, &c, id, sizeof(*id)); in nvme_init_non_mdts_limits()
2915 ctrl->max_discard_segments = id->dmrl; in nvme_init_non_mdts_limits()
2917 ctrl->max_discard_sectors = le32_to_cpu(id->dmrsl); in nvme_init_non_mdts_limits()
2919 ctrl->max_zeroes_sectors = nvme_mps_to_sectors(ctrl, id->wzsl); in nvme_init_non_mdts_limits()
2926 static int nvme_init_identify(struct nvme_ctrl *ctrl) in nvme_init_identify() argument
2933 ret = nvme_identify_ctrl(ctrl, &id); in nvme_init_identify()
2935 dev_err(ctrl->device, "Identify Controller failed (%d)\n", ret); in nvme_init_identify()
2940 ret = nvme_get_effects_log(ctrl, NVME_CSI_NVM, &ctrl->effects); in nvme_init_identify()
2945 if (!(ctrl->ops->flags & NVME_F_FABRICS)) in nvme_init_identify()
2946 ctrl->cntlid = le16_to_cpu(id->cntlid); in nvme_init_identify()
2948 if (!ctrl->identified) { in nvme_init_identify()
2951 ret = nvme_init_subsystem(ctrl, id); in nvme_init_identify()
2965 ctrl->quirks |= core_quirks[i].quirks; in nvme_init_identify()
2969 if (force_apst && (ctrl->quirks & NVME_QUIRK_NO_DEEPEST_PS)) { in nvme_init_identify()
2970 …dev_warn(ctrl->device, "forcibly allowing all power states due to nvme_core.force_apst -- use at y… in nvme_init_identify()
2971 ctrl->quirks &= ~NVME_QUIRK_NO_DEEPEST_PS; in nvme_init_identify()
2974 ctrl->crdt[0] = le16_to_cpu(id->crdt1); in nvme_init_identify()
2975 ctrl->crdt[1] = le16_to_cpu(id->crdt2); in nvme_init_identify()
2976 ctrl->crdt[2] = le16_to_cpu(id->crdt3); in nvme_init_identify()
2978 ctrl->oacs = le16_to_cpu(id->oacs); in nvme_init_identify()
2979 ctrl->oncs = le16_to_cpu(id->oncs); in nvme_init_identify()
2980 ctrl->mtfa = le16_to_cpu(id->mtfa); in nvme_init_identify()
2981 ctrl->oaes = le32_to_cpu(id->oaes); in nvme_init_identify()
2982 ctrl->wctemp = le16_to_cpu(id->wctemp); in nvme_init_identify()
2983 ctrl->cctemp = le16_to_cpu(id->cctemp); in nvme_init_identify()
2985 atomic_set(&ctrl->abort_limit, id->acl + 1); in nvme_init_identify()
2986 ctrl->vwc = id->vwc; in nvme_init_identify()
2988 max_hw_sectors = nvme_mps_to_sectors(ctrl, id->mdts); in nvme_init_identify()
2991 ctrl->max_hw_sectors = in nvme_init_identify()
2992 min_not_zero(ctrl->max_hw_sectors, max_hw_sectors); in nvme_init_identify()
2994 nvme_set_queue_limits(ctrl, ctrl->admin_q); in nvme_init_identify()
2995 ctrl->sgls = le32_to_cpu(id->sgls); in nvme_init_identify()
2996 ctrl->kas = le16_to_cpu(id->kas); in nvme_init_identify()
2997 ctrl->max_namespaces = le32_to_cpu(id->mnan); in nvme_init_identify()
2998 ctrl->ctratt = le32_to_cpu(id->ctratt); in nvme_init_identify()
3004 ctrl->shutdown_timeout = clamp_t(unsigned int, transition_time, in nvme_init_identify()
3007 if (ctrl->shutdown_timeout != shutdown_timeout) in nvme_init_identify()
3008 dev_info(ctrl->device, in nvme_init_identify()
3010 ctrl->shutdown_timeout); in nvme_init_identify()
3012 ctrl->shutdown_timeout = shutdown_timeout; in nvme_init_identify()
3014 ctrl->npss = id->npss; in nvme_init_identify()
3015 ctrl->apsta = id->apsta; in nvme_init_identify()
3016 prev_apst_enabled = ctrl->apst_enabled; in nvme_init_identify()
3017 if (ctrl->quirks & NVME_QUIRK_NO_APST) { in nvme_init_identify()
3019 …dev_warn(ctrl->device, "forcibly allowing APST due to nvme_core.force_apst -- use at your own risk… in nvme_init_identify()
3020 ctrl->apst_enabled = true; in nvme_init_identify()
3022 ctrl->apst_enabled = false; in nvme_init_identify()
3025 ctrl->apst_enabled = id->apsta; in nvme_init_identify()
3027 memcpy(ctrl->psd, id->psd, sizeof(ctrl->psd)); in nvme_init_identify()
3029 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_init_identify()
3030 ctrl->icdoff = le16_to_cpu(id->icdoff); in nvme_init_identify()
3031 ctrl->ioccsz = le32_to_cpu(id->ioccsz); in nvme_init_identify()
3032 ctrl->iorcsz = le32_to_cpu(id->iorcsz); in nvme_init_identify()
3033 ctrl->maxcmd = le16_to_cpu(id->maxcmd); in nvme_init_identify()
3039 if (ctrl->cntlid != le16_to_cpu(id->cntlid)) { in nvme_init_identify()
3040 dev_err(ctrl->device, in nvme_init_identify()
3043 ctrl->cntlid, le16_to_cpu(id->cntlid)); in nvme_init_identify()
3048 if (!nvme_discovery_ctrl(ctrl) && !ctrl->kas) { in nvme_init_identify()
3049 dev_err(ctrl->device, in nvme_init_identify()
3055 ctrl->hmpre = le32_to_cpu(id->hmpre); in nvme_init_identify()
3056 ctrl->hmmin = le32_to_cpu(id->hmmin); in nvme_init_identify()
3057 ctrl->hmminds = le32_to_cpu(id->hmminds); in nvme_init_identify()
3058 ctrl->hmmaxd = le16_to_cpu(id->hmmaxd); in nvme_init_identify()
3061 ret = nvme_mpath_init_identify(ctrl, id); in nvme_init_identify()
3065 if (ctrl->apst_enabled && !prev_apst_enabled) in nvme_init_identify()
3066 dev_pm_qos_expose_latency_tolerance(ctrl->device); in nvme_init_identify()
3067 else if (!ctrl->apst_enabled && prev_apst_enabled) in nvme_init_identify()
3068 dev_pm_qos_hide_latency_tolerance(ctrl->device); in nvme_init_identify()
3080 int nvme_init_ctrl_finish(struct nvme_ctrl *ctrl) in nvme_init_ctrl_finish() argument
3084 ret = ctrl->ops->reg_read32(ctrl, NVME_REG_VS, &ctrl->vs); in nvme_init_ctrl_finish()
3086 dev_err(ctrl->device, "Reading VS failed (%d)\n", ret); in nvme_init_ctrl_finish()
3090 ctrl->sqsize = min_t(u16, NVME_CAP_MQES(ctrl->cap), ctrl->sqsize); in nvme_init_ctrl_finish()
3092 if (ctrl->vs >= NVME_VS(1, 1, 0)) in nvme_init_ctrl_finish()
3093 ctrl->subsystem = NVME_CAP_NSSRC(ctrl->cap); in nvme_init_ctrl_finish()
3095 ret = nvme_init_identify(ctrl); in nvme_init_ctrl_finish()
3099 ret = nvme_init_non_mdts_limits(ctrl); in nvme_init_ctrl_finish()
3103 ret = nvme_configure_apst(ctrl); in nvme_init_ctrl_finish()
3107 ret = nvme_configure_timestamp(ctrl); in nvme_init_ctrl_finish()
3111 ret = nvme_configure_directives(ctrl); in nvme_init_ctrl_finish()
3115 ret = nvme_configure_acre(ctrl); in nvme_init_ctrl_finish()
3119 if (!ctrl->identified && !nvme_discovery_ctrl(ctrl)) { in nvme_init_ctrl_finish()
3120 ret = nvme_hwmon_init(ctrl); in nvme_init_ctrl_finish()
3125 ctrl->identified = true; in nvme_init_ctrl_finish()
3133 struct nvme_ctrl *ctrl = in nvme_dev_open() local
3136 switch (ctrl->state) { in nvme_dev_open()
3143 nvme_get_ctrl(ctrl); in nvme_dev_open()
3144 if (!try_module_get(ctrl->ops->module)) { in nvme_dev_open()
3145 nvme_put_ctrl(ctrl); in nvme_dev_open()
3149 file->private_data = ctrl; in nvme_dev_open()
3155 struct nvme_ctrl *ctrl = in nvme_dev_release() local
3158 module_put(ctrl->ops->module); in nvme_dev_release()
3159 nvme_put_ctrl(ctrl); in nvme_dev_release()
3175 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_sysfs_reset() local
3178 ret = nvme_reset_ctrl_sync(ctrl); in nvme_sysfs_reset()
3189 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_sysfs_rescan() local
3191 nvme_queue_scan(ctrl); in nvme_sysfs_rescan()
3311 if (!nvme_ctrl_use_ana(nvme_get_ns_from_dev(dev)->ctrl)) in nvme_ns_id_attrs_are_visible()
3332 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); \
3334 (int)sizeof(ctrl->subsys->field), ctrl->subsys->field); \
3346 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); \
3347 return sysfs_emit(buf, "%d\n", ctrl->field); \
3361 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_sysfs_delete() local
3364 nvme_delete_ctrl_sync(ctrl); in nvme_sysfs_delete()
3373 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_sysfs_show_transport() local
3375 return sysfs_emit(buf, "%s\n", ctrl->ops->name); in nvme_sysfs_show_transport()
3383 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_sysfs_show_state() local
3394 if ((unsigned)ctrl->state < ARRAY_SIZE(state_name) && in nvme_sysfs_show_state()
3395 state_name[ctrl->state]) in nvme_sysfs_show_state()
3396 return sysfs_emit(buf, "%s\n", state_name[ctrl->state]); in nvme_sysfs_show_state()
3407 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_sysfs_show_subsysnqn() local
3409 return sysfs_emit(buf, "%s\n", ctrl->subsys->subnqn); in nvme_sysfs_show_subsysnqn()
3417 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_sysfs_show_hostnqn() local
3419 return sysfs_emit(buf, "%s\n", ctrl->opts->host->nqn); in nvme_sysfs_show_hostnqn()
3427 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_sysfs_show_hostid() local
3429 return sysfs_emit(buf, "%pU\n", &ctrl->opts->host->id); in nvme_sysfs_show_hostid()
3437 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_sysfs_show_address() local
3439 return ctrl->ops->get_address(ctrl, buf, PAGE_SIZE); in nvme_sysfs_show_address()
3446 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_ctrl_loss_tmo_show() local
3447 struct nvmf_ctrl_options *opts = ctrl->opts; in nvme_ctrl_loss_tmo_show()
3449 if (ctrl->opts->max_reconnects == -1) in nvme_ctrl_loss_tmo_show()
3458 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_ctrl_loss_tmo_store() local
3459 struct nvmf_ctrl_options *opts = ctrl->opts; in nvme_ctrl_loss_tmo_store()
3479 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_ctrl_reconnect_delay_show() local
3481 if (ctrl->opts->reconnect_delay == -1) in nvme_ctrl_reconnect_delay_show()
3483 return sysfs_emit(buf, "%d\n", ctrl->opts->reconnect_delay); in nvme_ctrl_reconnect_delay_show()
3489 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_ctrl_reconnect_delay_store() local
3497 ctrl->opts->reconnect_delay = v; in nvme_ctrl_reconnect_delay_store()
3506 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_ctrl_fast_io_fail_tmo_show() local
3508 if (ctrl->opts->fast_io_fail_tmo == -1) in nvme_ctrl_fast_io_fail_tmo_show()
3510 return sysfs_emit(buf, "%d\n", ctrl->opts->fast_io_fail_tmo); in nvme_ctrl_fast_io_fail_tmo_show()
3516 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_ctrl_fast_io_fail_tmo_store() local
3517 struct nvmf_ctrl_options *opts = ctrl->opts; in nvme_ctrl_fast_io_fail_tmo_store()
3561 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_dev_attrs_are_visible() local
3563 if (a == &dev_attr_delete_controller.attr && !ctrl->ops->delete_ctrl) in nvme_dev_attrs_are_visible()
3565 if (a == &dev_attr_address.attr && !ctrl->ops->get_address) in nvme_dev_attrs_are_visible()
3567 if (a == &dev_attr_hostnqn.attr && !ctrl->opts) in nvme_dev_attrs_are_visible()
3569 if (a == &dev_attr_hostid.attr && !ctrl->opts) in nvme_dev_attrs_are_visible()
3571 if (a == &dev_attr_ctrl_loss_tmo.attr && !ctrl->opts) in nvme_dev_attrs_are_visible()
3573 if (a == &dev_attr_reconnect_delay.attr && !ctrl->opts) in nvme_dev_attrs_are_visible()
3575 if (a == &dev_attr_fast_io_fail_tmo.attr && !ctrl->opts) in nvme_dev_attrs_are_visible()
3679 ns->cdev_device.parent = ns->ctrl->device; in nvme_add_ns_cdev()
3681 ns->ctrl->instance, ns->head->instance); in nvme_add_ns_cdev()
3686 ns->ctrl->ops->module); in nvme_add_ns_cdev()
3689 static struct nvme_ns_head *nvme_alloc_ns_head(struct nvme_ctrl *ctrl, in nvme_alloc_ns_head() argument
3703 ret = ida_simple_get(&ctrl->subsys->ns_ida, 1, 0, GFP_KERNEL); in nvme_alloc_ns_head()
3711 head->subsys = ctrl->subsys; in nvme_alloc_ns_head()
3716 ret = __nvme_check_ids(ctrl->subsys, head); in nvme_alloc_ns_head()
3718 dev_err(ctrl->device, in nvme_alloc_ns_head()
3724 ret = nvme_get_effects_log(ctrl, head->ids.csi, &head->effects); in nvme_alloc_ns_head()
3728 head->effects = ctrl->effects; in nvme_alloc_ns_head()
3730 ret = nvme_mpath_alloc_disk(ctrl, head); in nvme_alloc_ns_head()
3734 list_add_tail(&head->entry, &ctrl->subsys->nsheads); in nvme_alloc_ns_head()
3736 kref_get(&ctrl->subsys->ref); in nvme_alloc_ns_head()
3742 ida_simple_remove(&ctrl->subsys->ns_ida, head->instance); in nvme_alloc_ns_head()
3754 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_init_ns_head() local
3758 mutex_lock(&ctrl->subsys->lock); in nvme_init_ns_head()
3759 head = nvme_find_ns_head(ctrl->subsys, nsid); in nvme_init_ns_head()
3761 head = nvme_alloc_ns_head(ctrl, nsid, ids); in nvme_init_ns_head()
3770 dev_err(ctrl->device, in nvme_init_ns_head()
3775 dev_err(ctrl->device, in nvme_init_ns_head()
3784 mutex_unlock(&ctrl->subsys->lock); in nvme_init_ns_head()
3790 mutex_unlock(&ctrl->subsys->lock); in nvme_init_ns_head()
3794 struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid) in nvme_find_get_ns() argument
3798 down_read(&ctrl->namespaces_rwsem); in nvme_find_get_ns()
3799 list_for_each_entry(ns, &ctrl->namespaces, list) { in nvme_find_get_ns()
3809 up_read(&ctrl->namespaces_rwsem); in nvme_find_get_ns()
3821 list_for_each_entry_reverse(tmp, &ns->ctrl->namespaces, list) { in nvme_ns_add_to_ctrl_list()
3827 list_add(&ns->list, &ns->ctrl->namespaces); in nvme_ns_add_to_ctrl_list()
3830 static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid, in nvme_alloc_ns() argument
3836 int node = ctrl->numa_node; in nvme_alloc_ns()
3838 if (nvme_identify_ns(ctrl, nsid, ids, &id)) in nvme_alloc_ns()
3845 disk = blk_mq_alloc_disk(ctrl->tagset, ns); in nvme_alloc_ns()
3854 if (ctrl->opts && ctrl->opts->data_digest) in nvme_alloc_ns()
3858 if (ctrl->ops->flags & NVME_F_PCI_P2PDMA) in nvme_alloc_ns()
3861 ns->ctrl = ctrl; in nvme_alloc_ns()
3873 sprintf(disk->disk_name, "nvme%dn%d", ctrl->instance, in nvme_alloc_ns()
3879 down_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
3881 up_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
3882 nvme_get_ctrl(ctrl); in nvme_alloc_ns()
3884 if (device_add_disk(ctrl->device, ns->disk, nvme_ns_id_attr_groups)) in nvme_alloc_ns()
3897 nvme_put_ctrl(ctrl); in nvme_alloc_ns()
3898 down_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
3900 up_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
3902 mutex_lock(&ctrl->subsys->lock); in nvme_alloc_ns()
3906 mutex_unlock(&ctrl->subsys->lock); in nvme_alloc_ns()
3927 mutex_lock(&ns->ctrl->subsys->lock); in nvme_ns_remove()
3933 mutex_unlock(&ns->ctrl->subsys->lock); in nvme_ns_remove()
3947 down_write(&ns->ctrl->namespaces_rwsem); in nvme_ns_remove()
3949 up_write(&ns->ctrl->namespaces_rwsem); in nvme_ns_remove()
3956 static void nvme_ns_remove_by_nsid(struct nvme_ctrl *ctrl, u32 nsid) in nvme_ns_remove_by_nsid() argument
3958 struct nvme_ns *ns = nvme_find_get_ns(ctrl, nsid); in nvme_ns_remove_by_nsid()
3974 ret = nvme_identify_ns(ns->ctrl, ns->head->ns_id, ids, &id); in nvme_validate_ns()
3980 dev_err(ns->ctrl->device, in nvme_validate_ns()
4000 static void nvme_validate_or_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid) in nvme_validate_or_alloc_ns() argument
4005 if (nvme_identify_ns_descs(ctrl, nsid, &ids)) in nvme_validate_or_alloc_ns()
4008 ns = nvme_find_get_ns(ctrl, nsid); in nvme_validate_or_alloc_ns()
4017 nvme_alloc_ns(ctrl, nsid, &ids); in nvme_validate_or_alloc_ns()
4021 dev_warn(ctrl->device, in nvme_validate_or_alloc_ns()
4026 if (!nvme_multi_css(ctrl)) { in nvme_validate_or_alloc_ns()
4027 dev_warn(ctrl->device, in nvme_validate_or_alloc_ns()
4032 nvme_alloc_ns(ctrl, nsid, &ids); in nvme_validate_or_alloc_ns()
4035 dev_warn(ctrl->device, "unknown csi %u for nsid %u\n", in nvme_validate_or_alloc_ns()
4041 static void nvme_remove_invalid_namespaces(struct nvme_ctrl *ctrl, in nvme_remove_invalid_namespaces() argument
4047 down_write(&ctrl->namespaces_rwsem); in nvme_remove_invalid_namespaces()
4048 list_for_each_entry_safe(ns, next, &ctrl->namespaces, list) { in nvme_remove_invalid_namespaces()
4052 up_write(&ctrl->namespaces_rwsem); in nvme_remove_invalid_namespaces()
4059 static int nvme_scan_ns_list(struct nvme_ctrl *ctrl) in nvme_scan_ns_list() argument
4066 if (nvme_ctrl_limited_cns(ctrl)) in nvme_scan_ns_list()
4080 ret = nvme_submit_sync_cmd(ctrl->admin_q, &cmd, ns_list, in nvme_scan_ns_list()
4083 dev_warn(ctrl->device, in nvme_scan_ns_list()
4093 nvme_validate_or_alloc_ns(ctrl, nsid); in nvme_scan_ns_list()
4095 nvme_ns_remove_by_nsid(ctrl, prev); in nvme_scan_ns_list()
4099 nvme_remove_invalid_namespaces(ctrl, prev); in nvme_scan_ns_list()
4105 static void nvme_scan_ns_sequential(struct nvme_ctrl *ctrl) in nvme_scan_ns_sequential() argument
4110 if (nvme_identify_ctrl(ctrl, &id)) in nvme_scan_ns_sequential()
4116 nvme_validate_or_alloc_ns(ctrl, i); in nvme_scan_ns_sequential()
4118 nvme_remove_invalid_namespaces(ctrl, nn); in nvme_scan_ns_sequential()
4121 static void nvme_clear_changed_ns_log(struct nvme_ctrl *ctrl) in nvme_clear_changed_ns_log() argument
4137 error = nvme_get_log(ctrl, NVME_NSID_ALL, NVME_LOG_CHANGED_NS, 0, in nvme_clear_changed_ns_log()
4140 dev_warn(ctrl->device, in nvme_clear_changed_ns_log()
4148 struct nvme_ctrl *ctrl = in nvme_scan_work() local
4152 if (ctrl->state != NVME_CTRL_LIVE || !ctrl->tagset) in nvme_scan_work()
4155 if (test_and_clear_bit(NVME_AER_NOTICE_NS_CHANGED, &ctrl->events)) { in nvme_scan_work()
4156 dev_info(ctrl->device, "rescanning namespaces.\n"); in nvme_scan_work()
4157 nvme_clear_changed_ns_log(ctrl); in nvme_scan_work()
4160 mutex_lock(&ctrl->scan_lock); in nvme_scan_work()
4161 if (nvme_scan_ns_list(ctrl) != 0) in nvme_scan_work()
4162 nvme_scan_ns_sequential(ctrl); in nvme_scan_work()
4163 mutex_unlock(&ctrl->scan_lock); in nvme_scan_work()
4171 void nvme_remove_namespaces(struct nvme_ctrl *ctrl) in nvme_remove_namespaces() argument
4181 nvme_mpath_clear_ctrl_paths(ctrl); in nvme_remove_namespaces()
4184 flush_work(&ctrl->scan_work); in nvme_remove_namespaces()
4192 if (ctrl->state == NVME_CTRL_DEAD) in nvme_remove_namespaces()
4193 nvme_kill_queues(ctrl); in nvme_remove_namespaces()
4196 nvme_change_ctrl_state(ctrl, NVME_CTRL_DELETING_NOIO); in nvme_remove_namespaces()
4198 down_write(&ctrl->namespaces_rwsem); in nvme_remove_namespaces()
4199 list_splice_init(&ctrl->namespaces, &ns_list); in nvme_remove_namespaces()
4200 up_write(&ctrl->namespaces_rwsem); in nvme_remove_namespaces()
4209 struct nvme_ctrl *ctrl = in nvme_class_uevent() local
4211 struct nvmf_ctrl_options *opts = ctrl->opts; in nvme_class_uevent()
4214 ret = add_uevent_var(env, "NVME_TRTYPE=%s", ctrl->ops->name); in nvme_class_uevent()
4239 static void nvme_aen_uevent(struct nvme_ctrl *ctrl) in nvme_aen_uevent() argument
4242 u32 aen_result = ctrl->aen_result; in nvme_aen_uevent()
4244 ctrl->aen_result = 0; in nvme_aen_uevent()
4251 kobject_uevent_env(&ctrl->device->kobj, KOBJ_CHANGE, envp); in nvme_aen_uevent()
4257 struct nvme_ctrl *ctrl = in nvme_async_event_work() local
4260 nvme_aen_uevent(ctrl); in nvme_async_event_work()
4261 ctrl->ops->submit_async_event(ctrl); in nvme_async_event_work()
4264 static bool nvme_ctrl_pp_status(struct nvme_ctrl *ctrl) in nvme_ctrl_pp_status() argument
4269 if (ctrl->ops->reg_read32(ctrl, NVME_REG_CSTS, &csts)) in nvme_ctrl_pp_status()
4275 return ((ctrl->ctrl_config & NVME_CC_ENABLE) && (csts & NVME_CSTS_PP)); in nvme_ctrl_pp_status()
4278 static void nvme_get_fw_slot_info(struct nvme_ctrl *ctrl) in nvme_get_fw_slot_info() argument
4286 if (nvme_get_log(ctrl, NVME_NSID_ALL, NVME_LOG_FW_SLOT, 0, NVME_CSI_NVM, in nvme_get_fw_slot_info()
4288 dev_warn(ctrl->device, "Get FW SLOT INFO log error\n"); in nvme_get_fw_slot_info()
4294 struct nvme_ctrl *ctrl = container_of(work, in nvme_fw_act_work() local
4298 if (ctrl->mtfa) in nvme_fw_act_work()
4300 msecs_to_jiffies(ctrl->mtfa * 100); in nvme_fw_act_work()
4305 nvme_stop_queues(ctrl); in nvme_fw_act_work()
4306 while (nvme_ctrl_pp_status(ctrl)) { in nvme_fw_act_work()
4308 dev_warn(ctrl->device, in nvme_fw_act_work()
4310 nvme_try_sched_reset(ctrl); in nvme_fw_act_work()
4316 if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_LIVE)) in nvme_fw_act_work()
4319 nvme_start_queues(ctrl); in nvme_fw_act_work()
4321 nvme_get_fw_slot_info(ctrl); in nvme_fw_act_work()
4324 static void nvme_handle_aen_notice(struct nvme_ctrl *ctrl, u32 result) in nvme_handle_aen_notice() argument
4328 trace_nvme_async_event(ctrl, aer_notice_type); in nvme_handle_aen_notice()
4332 set_bit(NVME_AER_NOTICE_NS_CHANGED, &ctrl->events); in nvme_handle_aen_notice()
4333 nvme_queue_scan(ctrl); in nvme_handle_aen_notice()
4341 if (nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING)) in nvme_handle_aen_notice()
4342 queue_work(nvme_wq, &ctrl->fw_act_work); in nvme_handle_aen_notice()
4346 if (!ctrl->ana_log_buf) in nvme_handle_aen_notice()
4348 queue_work(nvme_wq, &ctrl->ana_work); in nvme_handle_aen_notice()
4352 ctrl->aen_result = result; in nvme_handle_aen_notice()
4355 dev_warn(ctrl->device, "async event result %08x\n", result); in nvme_handle_aen_notice()
4359 void nvme_complete_async_event(struct nvme_ctrl *ctrl, __le16 status, in nvme_complete_async_event() argument
4370 nvme_handle_aen_notice(ctrl, result); in nvme_complete_async_event()
4376 trace_nvme_async_event(ctrl, aer_type); in nvme_complete_async_event()
4377 ctrl->aen_result = result; in nvme_complete_async_event()
4382 queue_work(nvme_wq, &ctrl->async_event_work); in nvme_complete_async_event()
4386 void nvme_stop_ctrl(struct nvme_ctrl *ctrl) in nvme_stop_ctrl() argument
4388 nvme_mpath_stop(ctrl); in nvme_stop_ctrl()
4389 nvme_stop_keep_alive(ctrl); in nvme_stop_ctrl()
4390 nvme_stop_failfast_work(ctrl); in nvme_stop_ctrl()
4391 flush_work(&ctrl->async_event_work); in nvme_stop_ctrl()
4392 cancel_work_sync(&ctrl->fw_act_work); in nvme_stop_ctrl()
4396 void nvme_start_ctrl(struct nvme_ctrl *ctrl) in nvme_start_ctrl() argument
4398 nvme_start_keep_alive(ctrl); in nvme_start_ctrl()
4400 nvme_enable_aen(ctrl); in nvme_start_ctrl()
4402 if (ctrl->queue_count > 1) { in nvme_start_ctrl()
4403 nvme_queue_scan(ctrl); in nvme_start_ctrl()
4404 nvme_start_queues(ctrl); in nvme_start_ctrl()
4409 void nvme_uninit_ctrl(struct nvme_ctrl *ctrl) in nvme_uninit_ctrl() argument
4411 nvme_hwmon_exit(ctrl); in nvme_uninit_ctrl()
4412 nvme_fault_inject_fini(&ctrl->fault_inject); in nvme_uninit_ctrl()
4413 dev_pm_qos_hide_latency_tolerance(ctrl->device); in nvme_uninit_ctrl()
4414 cdev_device_del(&ctrl->cdev, ctrl->device); in nvme_uninit_ctrl()
4415 nvme_put_ctrl(ctrl); in nvme_uninit_ctrl()
4419 static void nvme_free_cels(struct nvme_ctrl *ctrl) in nvme_free_cels() argument
4424 xa_for_each(&ctrl->cels, i, cel) { in nvme_free_cels()
4425 xa_erase(&ctrl->cels, i); in nvme_free_cels()
4429 xa_destroy(&ctrl->cels); in nvme_free_cels()
4434 struct nvme_ctrl *ctrl = in nvme_free_ctrl() local
4436 struct nvme_subsystem *subsys = ctrl->subsys; in nvme_free_ctrl()
4438 if (!subsys || ctrl->instance != subsys->instance) in nvme_free_ctrl()
4439 ida_simple_remove(&nvme_instance_ida, ctrl->instance); in nvme_free_ctrl()
4441 nvme_free_cels(ctrl); in nvme_free_ctrl()
4442 nvme_mpath_uninit(ctrl); in nvme_free_ctrl()
4443 __free_page(ctrl->discard_page); in nvme_free_ctrl()
4447 list_del(&ctrl->subsys_entry); in nvme_free_ctrl()
4448 sysfs_remove_link(&subsys->dev.kobj, dev_name(ctrl->device)); in nvme_free_ctrl()
4452 ctrl->ops->free_ctrl(ctrl); in nvme_free_ctrl()
4463 int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev, in nvme_init_ctrl() argument
4468 ctrl->state = NVME_CTRL_NEW; in nvme_init_ctrl()
4469 clear_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); in nvme_init_ctrl()
4470 spin_lock_init(&ctrl->lock); in nvme_init_ctrl()
4471 mutex_init(&ctrl->scan_lock); in nvme_init_ctrl()
4472 INIT_LIST_HEAD(&ctrl->namespaces); in nvme_init_ctrl()
4473 xa_init(&ctrl->cels); in nvme_init_ctrl()
4474 init_rwsem(&ctrl->namespaces_rwsem); in nvme_init_ctrl()
4475 ctrl->dev = dev; in nvme_init_ctrl()
4476 ctrl->ops = ops; in nvme_init_ctrl()
4477 ctrl->quirks = quirks; in nvme_init_ctrl()
4478 ctrl->numa_node = NUMA_NO_NODE; in nvme_init_ctrl()
4479 INIT_WORK(&ctrl->scan_work, nvme_scan_work); in nvme_init_ctrl()
4480 INIT_WORK(&ctrl->async_event_work, nvme_async_event_work); in nvme_init_ctrl()
4481 INIT_WORK(&ctrl->fw_act_work, nvme_fw_act_work); in nvme_init_ctrl()
4482 INIT_WORK(&ctrl->delete_work, nvme_delete_ctrl_work); in nvme_init_ctrl()
4483 init_waitqueue_head(&ctrl->state_wq); in nvme_init_ctrl()
4485 INIT_DELAYED_WORK(&ctrl->ka_work, nvme_keep_alive_work); in nvme_init_ctrl()
4486 INIT_DELAYED_WORK(&ctrl->failfast_work, nvme_failfast_work); in nvme_init_ctrl()
4487 memset(&ctrl->ka_cmd, 0, sizeof(ctrl->ka_cmd)); in nvme_init_ctrl()
4488 ctrl->ka_cmd.common.opcode = nvme_admin_keep_alive; in nvme_init_ctrl()
4492 ctrl->discard_page = alloc_page(GFP_KERNEL); in nvme_init_ctrl()
4493 if (!ctrl->discard_page) { in nvme_init_ctrl()
4501 ctrl->instance = ret; in nvme_init_ctrl()
4503 device_initialize(&ctrl->ctrl_device); in nvme_init_ctrl()
4504 ctrl->device = &ctrl->ctrl_device; in nvme_init_ctrl()
4505 ctrl->device->devt = MKDEV(MAJOR(nvme_ctrl_base_chr_devt), in nvme_init_ctrl()
4506 ctrl->instance); in nvme_init_ctrl()
4507 ctrl->device->class = nvme_class; in nvme_init_ctrl()
4508 ctrl->device->parent = ctrl->dev; in nvme_init_ctrl()
4509 ctrl->device->groups = nvme_dev_attr_groups; in nvme_init_ctrl()
4510 ctrl->device->release = nvme_free_ctrl; in nvme_init_ctrl()
4511 dev_set_drvdata(ctrl->device, ctrl); in nvme_init_ctrl()
4512 ret = dev_set_name(ctrl->device, "nvme%d", ctrl->instance); in nvme_init_ctrl()
4516 nvme_get_ctrl(ctrl); in nvme_init_ctrl()
4517 cdev_init(&ctrl->cdev, &nvme_dev_fops); in nvme_init_ctrl()
4518 ctrl->cdev.owner = ops->module; in nvme_init_ctrl()
4519 ret = cdev_device_add(&ctrl->cdev, ctrl->device); in nvme_init_ctrl()
4527 ctrl->device->power.set_latency_tolerance = nvme_set_latency_tolerance; in nvme_init_ctrl()
4528 dev_pm_qos_update_user_latency_tolerance(ctrl->device, in nvme_init_ctrl()
4531 nvme_fault_inject_init(&ctrl->fault_inject, dev_name(ctrl->device)); in nvme_init_ctrl()
4532 nvme_mpath_init_ctrl(ctrl); in nvme_init_ctrl()
4536 nvme_put_ctrl(ctrl); in nvme_init_ctrl()
4537 kfree_const(ctrl->device->kobj.name); in nvme_init_ctrl()
4539 ida_simple_remove(&nvme_instance_ida, ctrl->instance); in nvme_init_ctrl()
4541 if (ctrl->discard_page) in nvme_init_ctrl()
4542 __free_page(ctrl->discard_page); in nvme_init_ctrl()
4587 void nvme_kill_queues(struct nvme_ctrl *ctrl) in nvme_kill_queues() argument
4591 down_read(&ctrl->namespaces_rwsem); in nvme_kill_queues()
4594 if (ctrl->admin_q && !blk_queue_dying(ctrl->admin_q)) in nvme_kill_queues()
4595 nvme_start_admin_queue(ctrl); in nvme_kill_queues()
4597 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_kill_queues()
4600 up_read(&ctrl->namespaces_rwsem); in nvme_kill_queues()
4604 void nvme_unfreeze(struct nvme_ctrl *ctrl) in nvme_unfreeze() argument
4608 down_read(&ctrl->namespaces_rwsem); in nvme_unfreeze()
4609 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_unfreeze()
4611 up_read(&ctrl->namespaces_rwsem); in nvme_unfreeze()
4615 int nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout) in nvme_wait_freeze_timeout() argument
4619 down_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze_timeout()
4620 list_for_each_entry(ns, &ctrl->namespaces, list) { in nvme_wait_freeze_timeout()
4625 up_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze_timeout()
4630 void nvme_wait_freeze(struct nvme_ctrl *ctrl) in nvme_wait_freeze() argument
4634 down_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze()
4635 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_wait_freeze()
4637 up_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze()
4641 void nvme_start_freeze(struct nvme_ctrl *ctrl) in nvme_start_freeze() argument
4645 down_read(&ctrl->namespaces_rwsem); in nvme_start_freeze()
4646 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_start_freeze()
4648 up_read(&ctrl->namespaces_rwsem); in nvme_start_freeze()
4652 void nvme_stop_queues(struct nvme_ctrl *ctrl) in nvme_stop_queues() argument
4656 down_read(&ctrl->namespaces_rwsem); in nvme_stop_queues()
4657 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_stop_queues()
4659 up_read(&ctrl->namespaces_rwsem); in nvme_stop_queues()
4663 void nvme_start_queues(struct nvme_ctrl *ctrl) in nvme_start_queues() argument
4667 down_read(&ctrl->namespaces_rwsem); in nvme_start_queues()
4668 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_start_queues()
4670 up_read(&ctrl->namespaces_rwsem); in nvme_start_queues()
4674 void nvme_stop_admin_queue(struct nvme_ctrl *ctrl) in nvme_stop_admin_queue() argument
4676 if (!test_and_set_bit(NVME_CTRL_ADMIN_Q_STOPPED, &ctrl->flags)) in nvme_stop_admin_queue()
4677 blk_mq_quiesce_queue(ctrl->admin_q); in nvme_stop_admin_queue()
4679 blk_mq_wait_quiesce_done(ctrl->admin_q); in nvme_stop_admin_queue()
4683 void nvme_start_admin_queue(struct nvme_ctrl *ctrl) in nvme_start_admin_queue() argument
4685 if (test_and_clear_bit(NVME_CTRL_ADMIN_Q_STOPPED, &ctrl->flags)) in nvme_start_admin_queue()
4686 blk_mq_unquiesce_queue(ctrl->admin_q); in nvme_start_admin_queue()
4690 void nvme_sync_io_queues(struct nvme_ctrl *ctrl) in nvme_sync_io_queues() argument
4694 down_read(&ctrl->namespaces_rwsem); in nvme_sync_io_queues()
4695 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_sync_io_queues()
4697 up_read(&ctrl->namespaces_rwsem); in nvme_sync_io_queues()
4701 void nvme_sync_queues(struct nvme_ctrl *ctrl) in nvme_sync_queues() argument
4703 nvme_sync_io_queues(ctrl); in nvme_sync_queues()
4704 if (ctrl->admin_q) in nvme_sync_queues()
4705 blk_sync_queue(ctrl->admin_q); in nvme_sync_queues()