Lines Matching full:ctrl
125 static void nvme_remove_invalid_namespaces(struct nvme_ctrl *ctrl,
127 static void nvme_update_keep_alive(struct nvme_ctrl *ctrl,
130 void nvme_queue_scan(struct nvme_ctrl *ctrl) in nvme_queue_scan() argument
135 if (nvme_ctrl_state(ctrl) == NVME_CTRL_LIVE && ctrl->tagset) in nvme_queue_scan()
136 queue_work(nvme_wq, &ctrl->scan_work); in nvme_queue_scan()
145 int nvme_try_sched_reset(struct nvme_ctrl *ctrl) in nvme_try_sched_reset() argument
147 if (nvme_ctrl_state(ctrl) != NVME_CTRL_RESETTING) in nvme_try_sched_reset()
149 if (!queue_work(nvme_reset_wq, &ctrl->reset_work)) in nvme_try_sched_reset()
157 struct nvme_ctrl *ctrl = container_of(to_delayed_work(work), in nvme_failfast_work() local
160 if (nvme_ctrl_state(ctrl) != NVME_CTRL_CONNECTING) in nvme_failfast_work()
163 set_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); in nvme_failfast_work()
164 dev_info(ctrl->device, "failfast expired\n"); in nvme_failfast_work()
165 nvme_kick_requeue_lists(ctrl); in nvme_failfast_work()
168 static inline void nvme_start_failfast_work(struct nvme_ctrl *ctrl) in nvme_start_failfast_work() argument
170 if (!ctrl->opts || ctrl->opts->fast_io_fail_tmo == -1) in nvme_start_failfast_work()
173 schedule_delayed_work(&ctrl->failfast_work, in nvme_start_failfast_work()
174 ctrl->opts->fast_io_fail_tmo * HZ); in nvme_start_failfast_work()
177 static inline void nvme_stop_failfast_work(struct nvme_ctrl *ctrl) in nvme_stop_failfast_work() argument
179 if (!ctrl->opts) in nvme_stop_failfast_work()
182 cancel_delayed_work_sync(&ctrl->failfast_work); in nvme_stop_failfast_work()
183 clear_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); in nvme_stop_failfast_work()
187 int nvme_reset_ctrl(struct nvme_ctrl *ctrl) in nvme_reset_ctrl() argument
189 if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING)) in nvme_reset_ctrl()
191 if (!queue_work(nvme_reset_wq, &ctrl->reset_work)) in nvme_reset_ctrl()
197 int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl) in nvme_reset_ctrl_sync() argument
201 ret = nvme_reset_ctrl(ctrl); in nvme_reset_ctrl_sync()
203 flush_work(&ctrl->reset_work); in nvme_reset_ctrl_sync()
204 if (nvme_ctrl_state(ctrl) != NVME_CTRL_LIVE) in nvme_reset_ctrl_sync()
211 static void nvme_do_delete_ctrl(struct nvme_ctrl *ctrl) in nvme_do_delete_ctrl() argument
213 dev_info(ctrl->device, in nvme_do_delete_ctrl()
214 "Removing ctrl: NQN \"%s\"\n", nvmf_ctrl_subsysnqn(ctrl)); in nvme_do_delete_ctrl()
216 flush_work(&ctrl->reset_work); in nvme_do_delete_ctrl()
217 nvme_stop_ctrl(ctrl); in nvme_do_delete_ctrl()
218 nvme_remove_namespaces(ctrl); in nvme_do_delete_ctrl()
219 ctrl->ops->delete_ctrl(ctrl); in nvme_do_delete_ctrl()
220 nvme_uninit_ctrl(ctrl); in nvme_do_delete_ctrl()
225 struct nvme_ctrl *ctrl = in nvme_delete_ctrl_work() local
228 nvme_do_delete_ctrl(ctrl); in nvme_delete_ctrl_work()
231 int nvme_delete_ctrl(struct nvme_ctrl *ctrl) in nvme_delete_ctrl() argument
233 if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_DELETING)) in nvme_delete_ctrl()
235 if (!queue_work(nvme_delete_wq, &ctrl->delete_work)) in nvme_delete_ctrl()
241 void nvme_delete_ctrl_sync(struct nvme_ctrl *ctrl) in nvme_delete_ctrl_sync() argument
247 nvme_get_ctrl(ctrl); in nvme_delete_ctrl_sync()
248 if (nvme_change_ctrl_state(ctrl, NVME_CTRL_DELETING)) in nvme_delete_ctrl_sync()
249 nvme_do_delete_ctrl(ctrl); in nvme_delete_ctrl_sync()
250 nvme_put_ctrl(ctrl); in nvme_delete_ctrl_sync()
303 delay = nvme_req(req)->ctrl->crdt[crd - 1] * 100; in nvme_retry_req()
331 dev_name(nr->ctrl->device), in nvme_log_error()
348 ns ? ns->disk->disk_name : dev_name(nr->ctrl->device), in nvme_log_err_passthru()
427 struct nvme_ctrl *ctrl = nvme_req(req)->ctrl; in nvme_complete_rq() local
440 if (ctrl->kas && in nvme_complete_rq()
441 req->deadline - req->timeout >= ctrl->ka_last_check_time) in nvme_complete_rq()
442 ctrl->comp_seen = true; in nvme_complete_rq()
456 queue_work(nvme_wq, &ctrl->dhchap_auth_work); in nvme_complete_rq()
505 void nvme_cancel_tagset(struct nvme_ctrl *ctrl) in nvme_cancel_tagset() argument
507 if (ctrl->tagset) { in nvme_cancel_tagset()
508 blk_mq_tagset_busy_iter(ctrl->tagset, in nvme_cancel_tagset()
509 nvme_cancel_request, ctrl); in nvme_cancel_tagset()
510 blk_mq_tagset_wait_completed_request(ctrl->tagset); in nvme_cancel_tagset()
515 void nvme_cancel_admin_tagset(struct nvme_ctrl *ctrl) in nvme_cancel_admin_tagset() argument
517 if (ctrl->admin_tagset) { in nvme_cancel_admin_tagset()
518 blk_mq_tagset_busy_iter(ctrl->admin_tagset, in nvme_cancel_admin_tagset()
519 nvme_cancel_request, ctrl); in nvme_cancel_admin_tagset()
520 blk_mq_tagset_wait_completed_request(ctrl->admin_tagset); in nvme_cancel_admin_tagset()
525 bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, in nvme_change_ctrl_state() argument
532 spin_lock_irqsave(&ctrl->lock, flags); in nvme_change_ctrl_state()
534 old_state = nvme_ctrl_state(ctrl); in nvme_change_ctrl_state()
602 WRITE_ONCE(ctrl->state, new_state); in nvme_change_ctrl_state()
603 wake_up_all(&ctrl->state_wq); in nvme_change_ctrl_state()
606 spin_unlock_irqrestore(&ctrl->lock, flags); in nvme_change_ctrl_state()
612 nvme_stop_failfast_work(ctrl); in nvme_change_ctrl_state()
613 nvme_kick_requeue_lists(ctrl); in nvme_change_ctrl_state()
616 nvme_start_failfast_work(ctrl); in nvme_change_ctrl_state()
625 static bool nvme_state_terminal(struct nvme_ctrl *ctrl) in nvme_state_terminal() argument
627 switch (nvme_ctrl_state(ctrl)) { in nvme_state_terminal()
638 WARN_ONCE(1, "Unhandled ctrl state:%d", ctrl->state); in nvme_state_terminal()
647 bool nvme_wait_reset(struct nvme_ctrl *ctrl) in nvme_wait_reset() argument
649 wait_event(ctrl->state_wq, in nvme_wait_reset()
650 nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING) || in nvme_wait_reset()
651 nvme_state_terminal(ctrl)); in nvme_wait_reset()
652 return nvme_ctrl_state(ctrl) == NVME_CTRL_RESETTING; in nvme_wait_reset()
684 nvme_put_ctrl(ns->ctrl); in nvme_free_ns()
719 logging_enabled = nr->ctrl->passthru_err_log_enabled; in nvme_init_request()
746 blk_status_t nvme_fail_nonready_command(struct nvme_ctrl *ctrl, in nvme_fail_nonready_command() argument
749 enum nvme_ctrl_state state = nvme_ctrl_state(ctrl); in nvme_fail_nonready_command()
754 !test_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags) && in nvme_fail_nonready_command()
761 bool __nvme_check_ready(struct nvme_ctrl *ctrl, struct request *rq, in __nvme_check_ready() argument
774 if (rq->q == ctrl->admin_q && (req->flags & NVME_REQ_USERCMD)) in __nvme_check_ready()
777 if (ctrl->ops->flags & NVME_F_FABRICS) { in __nvme_check_ready()
831 if (test_and_set_bit_lock(0, &ns->ctrl->discard_page_busy)) in nvme_setup_discard()
834 range = page_address(ns->ctrl->discard_page); in nvme_setup_discard()
861 if (virt_to_page(range) == ns->ctrl->discard_page) in nvme_setup_discard()
862 clear_bit_unlock(0, &ns->ctrl->discard_page_busy); in nvme_setup_discard()
909 if (ns->ctrl->quirks & NVME_QUIRK_DEALLOCATE_ZEROES) in nvme_setup_write_zeroes()
1002 struct nvme_ctrl *ctrl = nvme_req(req)->ctrl; in nvme_cleanup_cmd() local
1004 if (req->special_vec.bv_page == ctrl->discard_page) in nvme_cleanup_cmd()
1005 clear_bit_unlock(0, &ctrl->discard_page_busy); in nvme_cleanup_cmd()
1137 u32 nvme_command_effects(struct nvme_ctrl *ctrl, struct nvme_ns *ns, u8 opcode) in nvme_command_effects() argument
1144 dev_warn_once(ctrl->device, in nvme_command_effects()
1155 effects = le32_to_cpu(ctrl->effects->acs[opcode]); in nvme_command_effects()
1166 u32 nvme_passthru_start(struct nvme_ctrl *ctrl, struct nvme_ns *ns, u8 opcode) in nvme_passthru_start() argument
1168 u32 effects = nvme_command_effects(ctrl, ns, opcode); in nvme_passthru_start()
1175 mutex_lock(&ctrl->scan_lock); in nvme_passthru_start()
1176 mutex_lock(&ctrl->subsys->lock); in nvme_passthru_start()
1177 nvme_mpath_start_freeze(ctrl->subsys); in nvme_passthru_start()
1178 nvme_mpath_wait_freeze(ctrl->subsys); in nvme_passthru_start()
1179 nvme_start_freeze(ctrl); in nvme_passthru_start()
1180 nvme_wait_freeze(ctrl); in nvme_passthru_start()
1186 void nvme_passthru_end(struct nvme_ctrl *ctrl, struct nvme_ns *ns, u32 effects, in nvme_passthru_end() argument
1190 nvme_unfreeze(ctrl); in nvme_passthru_end()
1191 nvme_mpath_unfreeze(ctrl->subsys); in nvme_passthru_end()
1192 mutex_unlock(&ctrl->subsys->lock); in nvme_passthru_end()
1193 mutex_unlock(&ctrl->scan_lock); in nvme_passthru_end()
1197 &ctrl->flags)) { in nvme_passthru_end()
1198 dev_info(ctrl->device, in nvme_passthru_end()
1203 nvme_queue_scan(ctrl); in nvme_passthru_end()
1204 flush_work(&ctrl->scan_work); in nvme_passthru_end()
1219 nvme_update_keep_alive(ctrl, cmd); in nvme_passthru_end()
1237 static unsigned long nvme_keep_alive_work_period(struct nvme_ctrl *ctrl) in nvme_keep_alive_work_period() argument
1239 unsigned long delay = ctrl->kato * HZ / 2; in nvme_keep_alive_work_period()
1247 if (ctrl->ctratt & NVME_CTRL_ATTR_TBKAS) in nvme_keep_alive_work_period()
1252 static void nvme_queue_keep_alive_work(struct nvme_ctrl *ctrl) in nvme_queue_keep_alive_work() argument
1255 unsigned long delay = nvme_keep_alive_work_period(ctrl); in nvme_queue_keep_alive_work()
1256 unsigned long ka_next_check_tm = ctrl->ka_last_check_time + delay; in nvme_queue_keep_alive_work()
1263 queue_delayed_work(nvme_wq, &ctrl->ka_work, delay); in nvme_queue_keep_alive_work()
1269 struct nvme_ctrl *ctrl = rq->end_io_data; in nvme_keep_alive_end_io() local
1273 unsigned long delay = nvme_keep_alive_work_period(ctrl); in nvme_keep_alive_end_io()
1282 dev_warn(ctrl->device, "long keepalive RTT (%u ms)\n", in nvme_keep_alive_end_io()
1290 dev_err(ctrl->device, in nvme_keep_alive_end_io()
1296 ctrl->ka_last_check_time = jiffies; in nvme_keep_alive_end_io()
1297 ctrl->comp_seen = false; in nvme_keep_alive_end_io()
1298 spin_lock_irqsave(&ctrl->lock, flags); in nvme_keep_alive_end_io()
1299 if (ctrl->state == NVME_CTRL_LIVE || in nvme_keep_alive_end_io()
1300 ctrl->state == NVME_CTRL_CONNECTING) in nvme_keep_alive_end_io()
1302 spin_unlock_irqrestore(&ctrl->lock, flags); in nvme_keep_alive_end_io()
1304 queue_delayed_work(nvme_wq, &ctrl->ka_work, delay); in nvme_keep_alive_end_io()
1310 struct nvme_ctrl *ctrl = container_of(to_delayed_work(work), in nvme_keep_alive_work() local
1312 bool comp_seen = ctrl->comp_seen; in nvme_keep_alive_work()
1315 ctrl->ka_last_check_time = jiffies; in nvme_keep_alive_work()
1317 if ((ctrl->ctratt & NVME_CTRL_ATTR_TBKAS) && comp_seen) { in nvme_keep_alive_work()
1318 dev_dbg(ctrl->device, in nvme_keep_alive_work()
1320 ctrl->comp_seen = false; in nvme_keep_alive_work()
1321 nvme_queue_keep_alive_work(ctrl); in nvme_keep_alive_work()
1325 rq = blk_mq_alloc_request(ctrl->admin_q, nvme_req_op(&ctrl->ka_cmd), in nvme_keep_alive_work()
1329 dev_err(ctrl->device, "keep-alive failed: %ld\n", PTR_ERR(rq)); in nvme_keep_alive_work()
1330 nvme_reset_ctrl(ctrl); in nvme_keep_alive_work()
1333 nvme_init_request(rq, &ctrl->ka_cmd); in nvme_keep_alive_work()
1335 rq->timeout = ctrl->kato * HZ; in nvme_keep_alive_work()
1337 rq->end_io_data = ctrl; in nvme_keep_alive_work()
1341 static void nvme_start_keep_alive(struct nvme_ctrl *ctrl) in nvme_start_keep_alive() argument
1343 if (unlikely(ctrl->kato == 0)) in nvme_start_keep_alive()
1346 nvme_queue_keep_alive_work(ctrl); in nvme_start_keep_alive()
1349 void nvme_stop_keep_alive(struct nvme_ctrl *ctrl) in nvme_stop_keep_alive() argument
1351 if (unlikely(ctrl->kato == 0)) in nvme_stop_keep_alive()
1354 cancel_delayed_work_sync(&ctrl->ka_work); in nvme_stop_keep_alive()
1358 static void nvme_update_keep_alive(struct nvme_ctrl *ctrl, in nvme_update_keep_alive() argument
1364 dev_info(ctrl->device, in nvme_update_keep_alive()
1366 ctrl->kato * 1000 / 2, new_kato * 1000 / 2); in nvme_update_keep_alive()
1368 nvme_stop_keep_alive(ctrl); in nvme_update_keep_alive()
1369 ctrl->kato = new_kato; in nvme_update_keep_alive()
1370 nvme_start_keep_alive(ctrl); in nvme_update_keep_alive()
1379 static bool nvme_ctrl_limited_cns(struct nvme_ctrl *ctrl) in nvme_ctrl_limited_cns() argument
1381 if (ctrl->quirks & NVME_QUIRK_IDENTIFY_CNS) in nvme_ctrl_limited_cns()
1382 return ctrl->vs < NVME_VS(1, 2, 0); in nvme_ctrl_limited_cns()
1383 return ctrl->vs < NVME_VS(1, 1, 0); in nvme_ctrl_limited_cns()
1406 static int nvme_process_ns_desc(struct nvme_ctrl *ctrl, struct nvme_ns_ids *ids, in nvme_process_ns_desc() argument
1409 const char *warn_str = "ctrl returned bogus length:"; in nvme_process_ns_desc()
1415 dev_warn(ctrl->device, "%s %d for NVME_NIDT_EUI64\n", in nvme_process_ns_desc()
1419 if (ctrl->quirks & NVME_QUIRK_BOGUS_NID) in nvme_process_ns_desc()
1425 dev_warn(ctrl->device, "%s %d for NVME_NIDT_NGUID\n", in nvme_process_ns_desc()
1429 if (ctrl->quirks & NVME_QUIRK_BOGUS_NID) in nvme_process_ns_desc()
1435 dev_warn(ctrl->device, "%s %d for NVME_NIDT_UUID\n", in nvme_process_ns_desc()
1439 if (ctrl->quirks & NVME_QUIRK_BOGUS_NID) in nvme_process_ns_desc()
1445 dev_warn(ctrl->device, "%s %d for NVME_NIDT_CSI\n", in nvme_process_ns_desc()
1458 static int nvme_identify_ns_descs(struct nvme_ctrl *ctrl, in nvme_identify_ns_descs() argument
1466 if (ctrl->vs < NVME_VS(1, 3, 0) && !nvme_multi_css(ctrl)) in nvme_identify_ns_descs()
1468 if (ctrl->quirks & NVME_QUIRK_NO_NS_DESC_LIST) in nvme_identify_ns_descs()
1479 status = nvme_submit_sync_cmd(ctrl->admin_q, &c, data, in nvme_identify_ns_descs()
1482 dev_warn(ctrl->device, in nvme_identify_ns_descs()
1494 len = nvme_process_ns_desc(ctrl, &info->ids, cur, &csi_seen); in nvme_identify_ns_descs()
1501 if (nvme_multi_css(ctrl) && !csi_seen) { in nvme_identify_ns_descs()
1502 dev_warn(ctrl->device, "Command set not reported for nsid:%d\n", in nvme_identify_ns_descs()
1512 int nvme_identify_ns(struct nvme_ctrl *ctrl, unsigned nsid, in nvme_identify_ns() argument
1527 error = nvme_submit_sync_cmd(ctrl->admin_q, &c, *id, sizeof(**id)); in nvme_identify_ns()
1529 dev_warn(ctrl->device, "Identify namespace failed (%d)\n", error); in nvme_identify_ns()
1535 static int nvme_ns_info_from_identify(struct nvme_ctrl *ctrl, in nvme_ns_info_from_identify() argument
1542 ret = nvme_identify_ns(ctrl, info->nsid, &id); in nvme_ns_info_from_identify()
1557 if (ctrl->quirks & NVME_QUIRK_BOGUS_NID) { in nvme_ns_info_from_identify()
1558 dev_info(ctrl->device, in nvme_ns_info_from_identify()
1561 if (ctrl->vs >= NVME_VS(1, 1, 0) && in nvme_ns_info_from_identify()
1564 if (ctrl->vs >= NVME_VS(1, 2, 0) && in nvme_ns_info_from_identify()
1574 static int nvme_ns_info_from_id_cs_indep(struct nvme_ctrl *ctrl, in nvme_ns_info_from_id_cs_indep() argument
1589 ret = nvme_submit_sync_cmd(ctrl->admin_q, &c, id, sizeof(*id)); in nvme_ns_info_from_id_cs_indep()
1636 int nvme_set_queue_count(struct nvme_ctrl *ctrl, int *count) in nvme_set_queue_count() argument
1642 status = nvme_set_features(ctrl, NVME_FEAT_NUM_QUEUES, q_count, NULL, 0, in nvme_set_queue_count()
1653 dev_err(ctrl->device, "Could not set queue count (%d)\n", status); in nvme_set_queue_count()
1668 static void nvme_enable_aen(struct nvme_ctrl *ctrl) in nvme_enable_aen() argument
1670 u32 result, supported_aens = ctrl->oaes & NVME_AEN_SUPPORTED; in nvme_enable_aen()
1676 status = nvme_set_features(ctrl, NVME_FEAT_ASYNC_EVENT, supported_aens, in nvme_enable_aen()
1679 dev_warn(ctrl->device, "Failed to configure AEN (cfg %x)\n", in nvme_enable_aen()
1682 queue_work(nvme_wq, &ctrl->async_event_work); in nvme_enable_aen()
1693 if (!try_module_get(ns->ctrl->ops->module)) in nvme_ns_open()
1707 module_put(ns->ctrl->ops->module); in nvme_ns_release()
1788 static void nvme_config_discard(struct nvme_ctrl *ctrl, struct gendisk *disk, in nvme_config_discard() argument
1794 if (ctrl->dmrsl && ctrl->dmrsl <= nvme_sect_to_lba(head, UINT_MAX)) { in nvme_config_discard()
1795 max_discard_sectors = nvme_lba_to_sect(head, ctrl->dmrsl); in nvme_config_discard()
1796 } else if (ctrl->oncs & NVME_CTRL_ONCS_DSM) { in nvme_config_discard()
1817 if (ctrl->dmrl) in nvme_config_discard()
1818 blk_queue_max_discard_segments(queue, ctrl->dmrl); in nvme_config_discard()
1823 if (ctrl->quirks & NVME_QUIRK_DEALLOCATE_ZEROES) in nvme_config_discard()
1835 static int nvme_init_ms(struct nvme_ctrl *ctrl, struct nvme_ns_head *head, in nvme_init_ms() argument
1847 if (!(ctrl->ctratt & NVME_CTRL_ATTR_ELBAS)) { in nvme_init_ms()
1862 ret = nvme_submit_sync_cmd(ctrl->admin_q, &c, nvm, sizeof(*nvm)); in nvme_init_ms()
1895 static int nvme_configure_metadata(struct nvme_ctrl *ctrl, in nvme_configure_metadata() argument
1900 ret = nvme_init_ms(ctrl, head, id); in nvme_configure_metadata()
1905 if (!head->ms || !(ctrl->ops->flags & NVME_F_METADATA_SUPPORTED)) in nvme_configure_metadata()
1908 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_configure_metadata()
1928 if (ctrl->max_integrity_segments && nvme_ns_has_pi(head)) in nvme_configure_metadata()
1945 static void nvme_set_queue_limits(struct nvme_ctrl *ctrl, in nvme_set_queue_limits() argument
1948 bool vwc = ctrl->vwc & NVME_CTRL_VWC_PRESENT; in nvme_set_queue_limits()
1950 if (ctrl->max_hw_sectors) { in nvme_set_queue_limits()
1952 (ctrl->max_hw_sectors / (NVME_CTRL_PAGE_SIZE >> 9)) + 1; in nvme_set_queue_limits()
1954 max_segments = min_not_zero(max_segments, ctrl->max_segments); in nvme_set_queue_limits()
1955 blk_queue_max_hw_sectors(q, ctrl->max_hw_sectors); in nvme_set_queue_limits()
1963 static void nvme_update_disk_info(struct nvme_ctrl *ctrl, struct gendisk *disk, in nvme_update_disk_info() argument
1992 atomic_bs = (1 + ctrl->subsys->awupf) * bs; in nvme_update_disk_info()
2022 ctrl->max_integrity_segments); in nvme_update_disk_info()
2029 nvme_config_discard(ctrl, disk, head); in nvme_update_disk_info()
2031 ctrl->max_zeroes_sectors); in nvme_update_disk_info()
2047 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_set_chunk_sectors() local
2050 if ((ctrl->quirks & NVME_QUIRK_STRIPE_SIZE) && in nvme_set_chunk_sectors()
2051 is_power_of_2(ctrl->max_hw_sectors)) in nvme_set_chunk_sectors()
2052 iob = ctrl->max_hw_sectors; in nvme_set_chunk_sectors()
2080 nvme_set_queue_limits(ns->ctrl, ns->queue); in nvme_update_ns_info_generic()
2108 ret = nvme_identify_ns(ns->ctrl, info->nsid, &id); in nvme_update_ns_info_block()
2123 nvme_set_queue_limits(ns->ctrl, ns->queue); in nvme_update_ns_info_block()
2125 ret = nvme_configure_metadata(ns->ctrl, ns->head, id); in nvme_update_ns_info_block()
2131 nvme_update_disk_info(ns->ctrl, ns->disk, ns->head, id); in nvme_update_ns_info_block()
2161 nvme_update_disk_info(ns->ctrl, ns->head->disk, ns->head, id); in nvme_update_ns_info_block()
2192 dev_info(ns->ctrl->device, in nvme_update_ns_info()
2201 dev_info(ns->ctrl->device, in nvme_update_ns_info()
2212 struct nvme_ctrl *ctrl = data; in nvme_sec_submit() local
2223 return __nvme_submit_sync_cmd(ctrl->admin_q, &cmd, NULL, buffer, len, in nvme_sec_submit()
2227 static void nvme_configure_opal(struct nvme_ctrl *ctrl, bool was_suspended) in nvme_configure_opal() argument
2229 if (ctrl->oacs & NVME_CTRL_OACS_SEC_SUPP) { in nvme_configure_opal()
2230 if (!ctrl->opal_dev) in nvme_configure_opal()
2231 ctrl->opal_dev = init_opal_dev(ctrl, &nvme_sec_submit); in nvme_configure_opal()
2233 opal_unlock_from_suspend(ctrl->opal_dev); in nvme_configure_opal()
2235 free_opal_dev(ctrl->opal_dev); in nvme_configure_opal()
2236 ctrl->opal_dev = NULL; in nvme_configure_opal()
2240 static void nvme_configure_opal(struct nvme_ctrl *ctrl, bool was_suspended) in nvme_configure_opal() argument
2267 static int nvme_wait_ready(struct nvme_ctrl *ctrl, u32 mask, u32 val, in nvme_wait_ready() argument
2274 while ((ret = ctrl->ops->reg_read32(ctrl, NVME_REG_CSTS, &csts)) == 0) { in nvme_wait_ready()
2284 dev_err(ctrl->device, in nvme_wait_ready()
2294 int nvme_disable_ctrl(struct nvme_ctrl *ctrl, bool shutdown) in nvme_disable_ctrl() argument
2298 ctrl->ctrl_config &= ~NVME_CC_SHN_MASK; in nvme_disable_ctrl()
2300 ctrl->ctrl_config |= NVME_CC_SHN_NORMAL; in nvme_disable_ctrl()
2302 ctrl->ctrl_config &= ~NVME_CC_ENABLE; in nvme_disable_ctrl()
2304 ret = ctrl->ops->reg_write32(ctrl, NVME_REG_CC, ctrl->ctrl_config); in nvme_disable_ctrl()
2309 return nvme_wait_ready(ctrl, NVME_CSTS_SHST_MASK, in nvme_disable_ctrl()
2311 ctrl->shutdown_timeout, "shutdown"); in nvme_disable_ctrl()
2313 if (ctrl->quirks & NVME_QUIRK_DELAY_BEFORE_CHK_RDY) in nvme_disable_ctrl()
2315 return nvme_wait_ready(ctrl, NVME_CSTS_RDY, 0, in nvme_disable_ctrl()
2316 (NVME_CAP_TIMEOUT(ctrl->cap) + 1) / 2, "reset"); in nvme_disable_ctrl()
2320 int nvme_enable_ctrl(struct nvme_ctrl *ctrl) in nvme_enable_ctrl() argument
2326 ret = ctrl->ops->reg_read64(ctrl, NVME_REG_CAP, &ctrl->cap); in nvme_enable_ctrl()
2328 dev_err(ctrl->device, "Reading CAP failed (%d)\n", ret); in nvme_enable_ctrl()
2331 dev_page_min = NVME_CAP_MPSMIN(ctrl->cap) + 12; in nvme_enable_ctrl()
2334 dev_err(ctrl->device, in nvme_enable_ctrl()
2340 if (NVME_CAP_CSS(ctrl->cap) & NVME_CAP_CSS_CSI) in nvme_enable_ctrl()
2341 ctrl->ctrl_config = NVME_CC_CSS_CSI; in nvme_enable_ctrl()
2343 ctrl->ctrl_config = NVME_CC_CSS_NVM; in nvme_enable_ctrl()
2345 if (ctrl->cap & NVME_CAP_CRMS_CRWMS && ctrl->cap & NVME_CAP_CRMS_CRIMS) in nvme_enable_ctrl()
2346 ctrl->ctrl_config |= NVME_CC_CRIME; in nvme_enable_ctrl()
2348 ctrl->ctrl_config |= (NVME_CTRL_PAGE_SHIFT - 12) << NVME_CC_MPS_SHIFT; in nvme_enable_ctrl()
2349 ctrl->ctrl_config |= NVME_CC_AMS_RR | NVME_CC_SHN_NONE; in nvme_enable_ctrl()
2350 ctrl->ctrl_config |= NVME_CC_IOSQES | NVME_CC_IOCQES; in nvme_enable_ctrl()
2351 ret = ctrl->ops->reg_write32(ctrl, NVME_REG_CC, ctrl->ctrl_config); in nvme_enable_ctrl()
2356 ret = ctrl->ops->reg_read32(ctrl, NVME_REG_CC, &ctrl->ctrl_config); in nvme_enable_ctrl()
2361 ret = ctrl->ops->reg_read64(ctrl, NVME_REG_CAP, &ctrl->cap); in nvme_enable_ctrl()
2365 timeout = NVME_CAP_TIMEOUT(ctrl->cap); in nvme_enable_ctrl()
2366 if (ctrl->cap & NVME_CAP_CRMS_CRWMS) { in nvme_enable_ctrl()
2369 ret = ctrl->ops->reg_read32(ctrl, NVME_REG_CRTO, &crto); in nvme_enable_ctrl()
2371 dev_err(ctrl->device, "Reading CRTO failed (%d)\n", in nvme_enable_ctrl()
2381 if (ctrl->ctrl_config & NVME_CC_CRIME) in nvme_enable_ctrl()
2387 dev_warn_once(ctrl->device, "bad crto:%x cap:%llx\n", in nvme_enable_ctrl()
2388 crto, ctrl->cap); in nvme_enable_ctrl()
2393 ctrl->ctrl_config |= NVME_CC_ENABLE; in nvme_enable_ctrl()
2394 ret = ctrl->ops->reg_write32(ctrl, NVME_REG_CC, ctrl->ctrl_config); in nvme_enable_ctrl()
2397 return nvme_wait_ready(ctrl, NVME_CSTS_RDY, NVME_CSTS_RDY, in nvme_enable_ctrl()
2402 static int nvme_configure_timestamp(struct nvme_ctrl *ctrl) in nvme_configure_timestamp() argument
2407 if (!(ctrl->oncs & NVME_CTRL_ONCS_TIMESTAMP)) in nvme_configure_timestamp()
2411 ret = nvme_set_features(ctrl, NVME_FEAT_TIMESTAMP, 0, &ts, sizeof(ts), in nvme_configure_timestamp()
2414 dev_warn_once(ctrl->device, in nvme_configure_timestamp()
2419 static int nvme_configure_host_options(struct nvme_ctrl *ctrl) in nvme_configure_host_options() argument
2426 if (ctrl->crdt[0]) in nvme_configure_host_options()
2428 if (ctrl->ctratt & NVME_CTRL_ATTR_ELBAS) in nvme_configure_host_options()
2440 ret = nvme_set_features(ctrl, NVME_FEAT_HOST_BEHAVIOR, 0, in nvme_configure_host_options()
2500 static int nvme_configure_apst(struct nvme_ctrl *ctrl) in nvme_configure_apst() argument
2515 if (!ctrl->apsta) in nvme_configure_apst()
2518 if (ctrl->npss > 31) { in nvme_configure_apst()
2519 dev_warn(ctrl->device, "NPSS is invalid; not using APST\n"); in nvme_configure_apst()
2527 if (!ctrl->apst_enabled || ctrl->ps_max_latency_us == 0) { in nvme_configure_apst()
2529 dev_dbg(ctrl->device, "APST disabled\n"); in nvme_configure_apst()
2539 for (state = (int)ctrl->npss; state >= 0; state--) { in nvme_configure_apst()
2549 if (state == ctrl->npss && in nvme_configure_apst()
2550 (ctrl->quirks & NVME_QUIRK_NO_DEEPEST_PS)) in nvme_configure_apst()
2557 if (!(ctrl->psd[state].flags & NVME_PS_FLAGS_NON_OP_STATE)) in nvme_configure_apst()
2560 exit_latency_us = (u64)le32_to_cpu(ctrl->psd[state].exit_lat); in nvme_configure_apst()
2561 if (exit_latency_us > ctrl->ps_max_latency_us) in nvme_configure_apst()
2565 le32_to_cpu(ctrl->psd[state].entry_lat); in nvme_configure_apst()
2590 dev_dbg(ctrl->device, "APST enabled but no non-operational states are available\n"); in nvme_configure_apst()
2592 …dev_dbg(ctrl->device, "APST enabled: max PS = %d, max round-trip latency = %lluus, table = %*phN\n… in nvme_configure_apst()
2597 ret = nvme_set_features(ctrl, NVME_FEAT_AUTO_PST, apste, in nvme_configure_apst()
2600 dev_err(ctrl->device, "failed to set APST feature (%d)\n", ret); in nvme_configure_apst()
2607 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_set_latency_tolerance() local
2620 if (ctrl->ps_max_latency_us != latency) { in nvme_set_latency_tolerance()
2621 ctrl->ps_max_latency_us = latency; in nvme_set_latency_tolerance()
2622 if (nvme_ctrl_state(ctrl) == NVME_CTRL_LIVE) in nvme_set_latency_tolerance()
2623 nvme_configure_apst(ctrl); in nvme_set_latency_tolerance()
2718 static void nvme_init_subnqn(struct nvme_subsystem *subsys, struct nvme_ctrl *ctrl, in nvme_init_subnqn() argument
2724 if(!(ctrl->quirks & NVME_QUIRK_IGNORE_DEV_SUBNQN)) { in nvme_init_subnqn()
2731 if (ctrl->vs >= NVME_VS(1, 2, 1)) in nvme_init_subnqn()
2732 dev_warn(ctrl->device, "missing or invalid SUBNQN field.\n"); in nvme_init_subnqn()
2807 static inline bool nvme_discovery_ctrl(struct nvme_ctrl *ctrl) in nvme_discovery_ctrl() argument
2809 return ctrl->opts && ctrl->opts->discovery_nqn; in nvme_discovery_ctrl()
2813 struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) in nvme_validate_cntlid() argument
2823 if (tmp->cntlid == ctrl->cntlid) { in nvme_validate_cntlid()
2824 dev_err(ctrl->device, in nvme_validate_cntlid()
2826 ctrl->cntlid, dev_name(tmp->device), in nvme_validate_cntlid()
2832 nvme_discovery_ctrl(ctrl)) in nvme_validate_cntlid()
2835 dev_err(ctrl->device, in nvme_validate_cntlid()
2843 static int nvme_init_subsystem(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) in nvme_init_subsystem() argument
2857 nvme_init_subnqn(subsys, ctrl, id); in nvme_init_subsystem()
2870 if (nvme_discovery_ctrl(ctrl) && subsys->subtype != NVME_NQN_DISC) { in nvme_init_subsystem()
2871 dev_err(ctrl->device, in nvme_init_subsystem()
2883 dev_set_name(&subsys->dev, "nvme-subsys%d", ctrl->instance); in nvme_init_subsystem()
2892 if (!nvme_validate_cntlid(subsys, ctrl, id)) { in nvme_init_subsystem()
2899 dev_err(ctrl->device, in nvme_init_subsystem()
2908 ret = sysfs_create_link(&subsys->dev.kobj, &ctrl->device->kobj, in nvme_init_subsystem()
2909 dev_name(ctrl->device)); in nvme_init_subsystem()
2911 dev_err(ctrl->device, in nvme_init_subsystem()
2917 subsys->instance = ctrl->instance; in nvme_init_subsystem()
2918 ctrl->subsys = subsys; in nvme_init_subsystem()
2919 list_add_tail(&ctrl->subsys_entry, &subsys->ctrls); in nvme_init_subsystem()
2930 int nvme_get_log(struct nvme_ctrl *ctrl, u32 nsid, u8 log_page, u8 lsp, u8 csi, in nvme_get_log() argument
2946 return nvme_submit_sync_cmd(ctrl->admin_q, &c, log, size); in nvme_get_log()
2949 static int nvme_get_effects_log(struct nvme_ctrl *ctrl, u8 csi, in nvme_get_effects_log() argument
2952 struct nvme_effects_log *cel = xa_load(&ctrl->cels, csi); in nvme_get_effects_log()
2962 ret = nvme_get_log(ctrl, 0x00, NVME_LOG_CMD_EFFECTS, 0, csi, in nvme_get_effects_log()
2969 xa_store(&ctrl->cels, csi, cel, GFP_KERNEL); in nvme_get_effects_log()
2975 static inline u32 nvme_mps_to_sectors(struct nvme_ctrl *ctrl, u32 units) in nvme_mps_to_sectors() argument
2977 u32 page_shift = NVME_CAP_MPSMIN(ctrl->cap) + 12, val; in nvme_mps_to_sectors()
2984 static int nvme_init_non_mdts_limits(struct nvme_ctrl *ctrl) in nvme_init_non_mdts_limits() argument
2996 if ((ctrl->oncs & NVME_CTRL_ONCS_WRITE_ZEROES) && in nvme_init_non_mdts_limits()
2997 !(ctrl->quirks & NVME_QUIRK_DISABLE_WRITE_ZEROES)) in nvme_init_non_mdts_limits()
2998 ctrl->max_zeroes_sectors = ctrl->max_hw_sectors; in nvme_init_non_mdts_limits()
3000 ctrl->max_zeroes_sectors = 0; in nvme_init_non_mdts_limits()
3002 if (ctrl->subsys->subtype != NVME_NQN_NVME || in nvme_init_non_mdts_limits()
3003 nvme_ctrl_limited_cns(ctrl) || in nvme_init_non_mdts_limits()
3004 test_bit(NVME_CTRL_SKIP_ID_CNS_CS, &ctrl->flags)) in nvme_init_non_mdts_limits()
3015 ret = nvme_submit_sync_cmd(ctrl->admin_q, &c, id, sizeof(*id)); in nvme_init_non_mdts_limits()
3019 ctrl->dmrl = id->dmrl; in nvme_init_non_mdts_limits()
3020 ctrl->dmrsl = le32_to_cpu(id->dmrsl); in nvme_init_non_mdts_limits()
3022 ctrl->max_zeroes_sectors = nvme_mps_to_sectors(ctrl, id->wzsl); in nvme_init_non_mdts_limits()
3026 set_bit(NVME_CTRL_SKIP_ID_CNS_CS, &ctrl->flags); in nvme_init_non_mdts_limits()
3031 static void nvme_init_known_nvm_effects(struct nvme_ctrl *ctrl) in nvme_init_known_nvm_effects() argument
3033 struct nvme_effects_log *log = ctrl->effects; in nvme_init_known_nvm_effects()
3063 static int nvme_init_effects(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) in nvme_init_effects() argument
3067 if (ctrl->effects) in nvme_init_effects()
3071 ret = nvme_get_effects_log(ctrl, NVME_CSI_NVM, &ctrl->effects); in nvme_init_effects()
3076 if (!ctrl->effects) { in nvme_init_effects()
3077 ctrl->effects = kzalloc(sizeof(*ctrl->effects), GFP_KERNEL); in nvme_init_effects()
3078 if (!ctrl->effects) in nvme_init_effects()
3080 xa_store(&ctrl->cels, NVME_CSI_NVM, ctrl->effects, GFP_KERNEL); in nvme_init_effects()
3083 nvme_init_known_nvm_effects(ctrl); in nvme_init_effects()
3087 static int nvme_check_ctrl_fabric_info(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) in nvme_check_ctrl_fabric_info() argument
3093 if (ctrl->cntlid != le16_to_cpu(id->cntlid)) { in nvme_check_ctrl_fabric_info()
3094 dev_err(ctrl->device, in nvme_check_ctrl_fabric_info()
3096 ctrl->cntlid, le16_to_cpu(id->cntlid)); in nvme_check_ctrl_fabric_info()
3100 if (!nvme_discovery_ctrl(ctrl) && !ctrl->kas) { in nvme_check_ctrl_fabric_info()
3101 dev_err(ctrl->device, in nvme_check_ctrl_fabric_info()
3106 if (!nvme_discovery_ctrl(ctrl) && ctrl->ioccsz < 4) { in nvme_check_ctrl_fabric_info()
3107 dev_err(ctrl->device, in nvme_check_ctrl_fabric_info()
3109 ctrl->ioccsz); in nvme_check_ctrl_fabric_info()
3113 if (!nvme_discovery_ctrl(ctrl) && ctrl->iorcsz < 1) { in nvme_check_ctrl_fabric_info()
3114 dev_err(ctrl->device, in nvme_check_ctrl_fabric_info()
3116 ctrl->iorcsz); in nvme_check_ctrl_fabric_info()
3123 static int nvme_init_identify(struct nvme_ctrl *ctrl) in nvme_init_identify() argument
3130 ret = nvme_identify_ctrl(ctrl, &id); in nvme_init_identify()
3132 dev_err(ctrl->device, "Identify Controller failed (%d)\n", ret); in nvme_init_identify()
3136 if (!(ctrl->ops->flags & NVME_F_FABRICS)) in nvme_init_identify()
3137 ctrl->cntlid = le16_to_cpu(id->cntlid); in nvme_init_identify()
3139 if (!ctrl->identified) { in nvme_init_identify()
3152 ctrl->quirks |= core_quirks[i].quirks; in nvme_init_identify()
3155 ret = nvme_init_subsystem(ctrl, id); in nvme_init_identify()
3159 ret = nvme_init_effects(ctrl, id); in nvme_init_identify()
3163 memcpy(ctrl->subsys->firmware_rev, id->fr, in nvme_init_identify()
3164 sizeof(ctrl->subsys->firmware_rev)); in nvme_init_identify()
3166 if (force_apst && (ctrl->quirks & NVME_QUIRK_NO_DEEPEST_PS)) { in nvme_init_identify()
3167 …dev_warn(ctrl->device, "forcibly allowing all power states due to nvme_core.force_apst -- use at y… in nvme_init_identify()
3168 ctrl->quirks &= ~NVME_QUIRK_NO_DEEPEST_PS; in nvme_init_identify()
3171 ctrl->crdt[0] = le16_to_cpu(id->crdt1); in nvme_init_identify()
3172 ctrl->crdt[1] = le16_to_cpu(id->crdt2); in nvme_init_identify()
3173 ctrl->crdt[2] = le16_to_cpu(id->crdt3); in nvme_init_identify()
3175 ctrl->oacs = le16_to_cpu(id->oacs); in nvme_init_identify()
3176 ctrl->oncs = le16_to_cpu(id->oncs); in nvme_init_identify()
3177 ctrl->mtfa = le16_to_cpu(id->mtfa); in nvme_init_identify()
3178 ctrl->oaes = le32_to_cpu(id->oaes); in nvme_init_identify()
3179 ctrl->wctemp = le16_to_cpu(id->wctemp); in nvme_init_identify()
3180 ctrl->cctemp = le16_to_cpu(id->cctemp); in nvme_init_identify()
3182 atomic_set(&ctrl->abort_limit, id->acl + 1); in nvme_init_identify()
3183 ctrl->vwc = id->vwc; in nvme_init_identify()
3185 max_hw_sectors = nvme_mps_to_sectors(ctrl, id->mdts); in nvme_init_identify()
3188 ctrl->max_hw_sectors = in nvme_init_identify()
3189 min_not_zero(ctrl->max_hw_sectors, max_hw_sectors); in nvme_init_identify()
3191 nvme_set_queue_limits(ctrl, ctrl->admin_q); in nvme_init_identify()
3192 ctrl->sgls = le32_to_cpu(id->sgls); in nvme_init_identify()
3193 ctrl->kas = le16_to_cpu(id->kas); in nvme_init_identify()
3194 ctrl->max_namespaces = le32_to_cpu(id->mnan); in nvme_init_identify()
3195 ctrl->ctratt = le32_to_cpu(id->ctratt); in nvme_init_identify()
3197 ctrl->cntrltype = id->cntrltype; in nvme_init_identify()
3198 ctrl->dctype = id->dctype; in nvme_init_identify()
3204 ctrl->shutdown_timeout = clamp_t(unsigned int, transition_time, in nvme_init_identify()
3207 if (ctrl->shutdown_timeout != shutdown_timeout) in nvme_init_identify()
3208 dev_info(ctrl->device, in nvme_init_identify()
3210 ctrl->shutdown_timeout); in nvme_init_identify()
3212 ctrl->shutdown_timeout = shutdown_timeout; in nvme_init_identify()
3214 ctrl->npss = id->npss; in nvme_init_identify()
3215 ctrl->apsta = id->apsta; in nvme_init_identify()
3216 prev_apst_enabled = ctrl->apst_enabled; in nvme_init_identify()
3217 if (ctrl->quirks & NVME_QUIRK_NO_APST) { in nvme_init_identify()
3219 …dev_warn(ctrl->device, "forcibly allowing APST due to nvme_core.force_apst -- use at your own risk… in nvme_init_identify()
3220 ctrl->apst_enabled = true; in nvme_init_identify()
3222 ctrl->apst_enabled = false; in nvme_init_identify()
3225 ctrl->apst_enabled = id->apsta; in nvme_init_identify()
3227 memcpy(ctrl->psd, id->psd, sizeof(ctrl->psd)); in nvme_init_identify()
3229 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_init_identify()
3230 ctrl->icdoff = le16_to_cpu(id->icdoff); in nvme_init_identify()
3231 ctrl->ioccsz = le32_to_cpu(id->ioccsz); in nvme_init_identify()
3232 ctrl->iorcsz = le32_to_cpu(id->iorcsz); in nvme_init_identify()
3233 ctrl->maxcmd = le16_to_cpu(id->maxcmd); in nvme_init_identify()
3235 ret = nvme_check_ctrl_fabric_info(ctrl, id); in nvme_init_identify()
3239 ctrl->hmpre = le32_to_cpu(id->hmpre); in nvme_init_identify()
3240 ctrl->hmmin = le32_to_cpu(id->hmmin); in nvme_init_identify()
3241 ctrl->hmminds = le32_to_cpu(id->hmminds); in nvme_init_identify()
3242 ctrl->hmmaxd = le16_to_cpu(id->hmmaxd); in nvme_init_identify()
3245 ret = nvme_mpath_init_identify(ctrl, id); in nvme_init_identify()
3249 if (ctrl->apst_enabled && !prev_apst_enabled) in nvme_init_identify()
3250 dev_pm_qos_expose_latency_tolerance(ctrl->device); in nvme_init_identify()
3251 else if (!ctrl->apst_enabled && prev_apst_enabled) in nvme_init_identify()
3252 dev_pm_qos_hide_latency_tolerance(ctrl->device); in nvme_init_identify()
3264 int nvme_init_ctrl_finish(struct nvme_ctrl *ctrl, bool was_suspended) in nvme_init_ctrl_finish() argument
3268 ret = ctrl->ops->reg_read32(ctrl, NVME_REG_VS, &ctrl->vs); in nvme_init_ctrl_finish()
3270 dev_err(ctrl->device, "Reading VS failed (%d)\n", ret); in nvme_init_ctrl_finish()
3274 ctrl->sqsize = min_t(u16, NVME_CAP_MQES(ctrl->cap), ctrl->sqsize); in nvme_init_ctrl_finish()
3276 if (ctrl->vs >= NVME_VS(1, 1, 0)) in nvme_init_ctrl_finish()
3277 ctrl->subsystem = NVME_CAP_NSSRC(ctrl->cap); in nvme_init_ctrl_finish()
3279 ret = nvme_init_identify(ctrl); in nvme_init_ctrl_finish()
3283 ret = nvme_configure_apst(ctrl); in nvme_init_ctrl_finish()
3287 ret = nvme_configure_timestamp(ctrl); in nvme_init_ctrl_finish()
3291 ret = nvme_configure_host_options(ctrl); in nvme_init_ctrl_finish()
3295 nvme_configure_opal(ctrl, was_suspended); in nvme_init_ctrl_finish()
3297 if (!ctrl->identified && !nvme_discovery_ctrl(ctrl)) { in nvme_init_ctrl_finish()
3302 ret = nvme_hwmon_init(ctrl); in nvme_init_ctrl_finish()
3307 clear_bit(NVME_CTRL_DIRTY_CAPABILITY, &ctrl->flags); in nvme_init_ctrl_finish()
3308 ctrl->identified = true; in nvme_init_ctrl_finish()
3310 nvme_start_keep_alive(ctrl); in nvme_init_ctrl_finish()
3318 struct nvme_ctrl *ctrl = in nvme_dev_open() local
3321 switch (nvme_ctrl_state(ctrl)) { in nvme_dev_open()
3328 nvme_get_ctrl(ctrl); in nvme_dev_open()
3329 if (!try_module_get(ctrl->ops->module)) { in nvme_dev_open()
3330 nvme_put_ctrl(ctrl); in nvme_dev_open()
3334 file->private_data = ctrl; in nvme_dev_open()
3340 struct nvme_ctrl *ctrl = in nvme_dev_release() local
3343 module_put(ctrl->ops->module); in nvme_dev_release()
3344 nvme_put_ctrl(ctrl); in nvme_dev_release()
3357 static struct nvme_ns_head *nvme_find_ns_head(struct nvme_ctrl *ctrl, in nvme_find_ns_head() argument
3362 lockdep_assert_held(&ctrl->subsys->lock); in nvme_find_ns_head()
3364 list_for_each_entry(h, &ctrl->subsys->nsheads, entry) { in nvme_find_ns_head()
3370 if (h->ns_id != nsid || !nvme_is_unique_nsid(ctrl, h)) in nvme_find_ns_head()
3460 ns->cdev_device.parent = ns->ctrl->device; in nvme_add_ns_cdev()
3462 ns->ctrl->instance, ns->head->instance); in nvme_add_ns_cdev()
3467 ns->ctrl->ops->module); in nvme_add_ns_cdev()
3470 static struct nvme_ns_head *nvme_alloc_ns_head(struct nvme_ctrl *ctrl, in nvme_alloc_ns_head() argument
3484 ret = ida_alloc_min(&ctrl->subsys->ns_ida, 1, GFP_KERNEL); in nvme_alloc_ns_head()
3492 head->subsys = ctrl->subsys; in nvme_alloc_ns_head()
3501 ret = nvme_get_effects_log(ctrl, head->ids.csi, &head->effects); in nvme_alloc_ns_head()
3505 head->effects = ctrl->effects; in nvme_alloc_ns_head()
3507 ret = nvme_mpath_alloc_disk(ctrl, head); in nvme_alloc_ns_head()
3511 list_add_tail(&head->entry, &ctrl->subsys->nsheads); in nvme_alloc_ns_head()
3513 kref_get(&ctrl->subsys->ref); in nvme_alloc_ns_head()
3519 ida_free(&ctrl->subsys->ns_ida, head->instance); in nvme_alloc_ns_head()
3556 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_init_ns_head() local
3560 ret = nvme_global_check_duplicate_ids(ctrl->subsys, &info->ids); in nvme_init_ns_head()
3578 nvme_print_device_info(ctrl); in nvme_init_ns_head()
3579 if ((ns->ctrl->ops->flags & NVME_F_FABRICS) || /* !PCIe */ in nvme_init_ns_head()
3580 ((ns->ctrl->subsys->cmic & NVME_CTRL_CMIC_MULTI_CTRL) && in nvme_init_ns_head()
3582 dev_err(ctrl->device, in nvme_init_ns_head()
3588 dev_err(ctrl->device, in nvme_init_ns_head()
3590 dev_err(ctrl->device, in nvme_init_ns_head()
3595 ctrl->quirks |= NVME_QUIRK_BOGUS_NID; in nvme_init_ns_head()
3598 mutex_lock(&ctrl->subsys->lock); in nvme_init_ns_head()
3599 head = nvme_find_ns_head(ctrl, info->nsid); in nvme_init_ns_head()
3601 ret = nvme_subsys_check_duplicate_ids(ctrl->subsys, &info->ids); in nvme_init_ns_head()
3603 dev_err(ctrl->device, in nvme_init_ns_head()
3608 head = nvme_alloc_ns_head(ctrl, info); in nvme_init_ns_head()
3616 dev_err(ctrl->device, in nvme_init_ns_head()
3622 dev_err(ctrl->device, in nvme_init_ns_head()
3629 dev_warn(ctrl->device, in nvme_init_ns_head()
3632 dev_warn_once(ctrl->device, in nvme_init_ns_head()
3639 mutex_unlock(&ctrl->subsys->lock); in nvme_init_ns_head()
3645 mutex_unlock(&ctrl->subsys->lock); in nvme_init_ns_head()
3649 struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid) in nvme_find_get_ns() argument
3653 down_read(&ctrl->namespaces_rwsem); in nvme_find_get_ns()
3654 list_for_each_entry(ns, &ctrl->namespaces, list) { in nvme_find_get_ns()
3664 up_read(&ctrl->namespaces_rwsem); in nvme_find_get_ns()
3676 list_for_each_entry_reverse(tmp, &ns->ctrl->namespaces, list) { in nvme_ns_add_to_ctrl_list()
3682 list_add(&ns->list, &ns->ctrl->namespaces); in nvme_ns_add_to_ctrl_list()
3685 static void nvme_alloc_ns(struct nvme_ctrl *ctrl, struct nvme_ns_info *info) in nvme_alloc_ns() argument
3689 int node = ctrl->numa_node; in nvme_alloc_ns()
3695 disk = blk_mq_alloc_disk(ctrl->tagset, ns); in nvme_alloc_ns()
3704 if (ctrl->opts && ctrl->opts->data_digest) in nvme_alloc_ns()
3708 if (ctrl->ops->supports_pci_p2pdma && in nvme_alloc_ns()
3709 ctrl->ops->supports_pci_p2pdma(ctrl)) in nvme_alloc_ns()
3712 ns->ctrl = ctrl; in nvme_alloc_ns()
3730 sprintf(disk->disk_name, "nvme%dc%dn%d", ctrl->subsys->instance, in nvme_alloc_ns()
3731 ctrl->instance, ns->head->instance); in nvme_alloc_ns()
3734 sprintf(disk->disk_name, "nvme%dn%d", ctrl->subsys->instance, in nvme_alloc_ns()
3737 sprintf(disk->disk_name, "nvme%dn%d", ctrl->instance, in nvme_alloc_ns()
3744 down_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
3746 * Ensure that no namespaces are added to the ctrl list after the queues in nvme_alloc_ns()
3749 if (test_bit(NVME_CTRL_FROZEN, &ctrl->flags)) { in nvme_alloc_ns()
3750 up_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
3754 up_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
3755 nvme_get_ctrl(ctrl); in nvme_alloc_ns()
3757 if (device_add_disk(ctrl->device, ns->disk, nvme_ns_attr_groups)) in nvme_alloc_ns()
3776 nvme_put_ctrl(ctrl); in nvme_alloc_ns()
3777 down_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
3779 up_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
3781 mutex_lock(&ctrl->subsys->lock); in nvme_alloc_ns()
3785 mutex_unlock(&ctrl->subsys->lock); in nvme_alloc_ns()
3814 mutex_lock(&ns->ctrl->subsys->lock); in nvme_ns_remove()
3820 mutex_unlock(&ns->ctrl->subsys->lock); in nvme_ns_remove()
3829 down_write(&ns->ctrl->namespaces_rwsem); in nvme_ns_remove()
3831 up_write(&ns->ctrl->namespaces_rwsem); in nvme_ns_remove()
3838 static void nvme_ns_remove_by_nsid(struct nvme_ctrl *ctrl, u32 nsid) in nvme_ns_remove_by_nsid() argument
3840 struct nvme_ns *ns = nvme_find_get_ns(ctrl, nsid); in nvme_ns_remove_by_nsid()
3853 dev_err(ns->ctrl->device, in nvme_validate_ns()
3870 static void nvme_scan_ns(struct nvme_ctrl *ctrl, unsigned nsid) in nvme_scan_ns() argument
3876 if (nvme_identify_ns_descs(ctrl, &info)) in nvme_scan_ns()
3879 if (info.ids.csi != NVME_CSI_NVM && !nvme_multi_css(ctrl)) { in nvme_scan_ns()
3880 dev_warn(ctrl->device, in nvme_scan_ns()
3890 if ((ctrl->cap & NVME_CAP_CRMS_CRIMS) || in nvme_scan_ns()
3892 ret = nvme_ns_info_from_id_cs_indep(ctrl, &info); in nvme_scan_ns()
3894 ret = nvme_ns_info_from_identify(ctrl, &info); in nvme_scan_ns()
3897 nvme_ns_remove_by_nsid(ctrl, nsid); in nvme_scan_ns()
3906 ns = nvme_find_get_ns(ctrl, nsid); in nvme_scan_ns()
3911 nvme_alloc_ns(ctrl, &info); in nvme_scan_ns()
3915 static void nvme_remove_invalid_namespaces(struct nvme_ctrl *ctrl, in nvme_remove_invalid_namespaces() argument
3921 down_write(&ctrl->namespaces_rwsem); in nvme_remove_invalid_namespaces()
3922 list_for_each_entry_safe(ns, next, &ctrl->namespaces, list) { in nvme_remove_invalid_namespaces()
3926 up_write(&ctrl->namespaces_rwsem); in nvme_remove_invalid_namespaces()
3933 static int nvme_scan_ns_list(struct nvme_ctrl *ctrl) in nvme_scan_ns_list() argument
3951 ret = nvme_submit_sync_cmd(ctrl->admin_q, &cmd, ns_list, in nvme_scan_ns_list()
3954 dev_warn(ctrl->device, in nvme_scan_ns_list()
3964 nvme_scan_ns(ctrl, nsid); in nvme_scan_ns_list()
3966 nvme_ns_remove_by_nsid(ctrl, prev); in nvme_scan_ns_list()
3970 nvme_remove_invalid_namespaces(ctrl, prev); in nvme_scan_ns_list()
3976 static void nvme_scan_ns_sequential(struct nvme_ctrl *ctrl) in nvme_scan_ns_sequential() argument
3981 if (nvme_identify_ctrl(ctrl, &id)) in nvme_scan_ns_sequential()
3987 nvme_scan_ns(ctrl, i); in nvme_scan_ns_sequential()
3989 nvme_remove_invalid_namespaces(ctrl, nn); in nvme_scan_ns_sequential()
3992 static void nvme_clear_changed_ns_log(struct nvme_ctrl *ctrl) in nvme_clear_changed_ns_log() argument
4008 error = nvme_get_log(ctrl, NVME_NSID_ALL, NVME_LOG_CHANGED_NS, 0, in nvme_clear_changed_ns_log()
4011 dev_warn(ctrl->device, in nvme_clear_changed_ns_log()
4019 struct nvme_ctrl *ctrl = in nvme_scan_work() local
4023 /* No tagset on a live ctrl means IO queues could not created */ in nvme_scan_work()
4024 if (nvme_ctrl_state(ctrl) != NVME_CTRL_LIVE || !ctrl->tagset) in nvme_scan_work()
4034 ret = nvme_init_non_mdts_limits(ctrl); in nvme_scan_work()
4036 dev_warn(ctrl->device, in nvme_scan_work()
4041 if (test_and_clear_bit(NVME_AER_NOTICE_NS_CHANGED, &ctrl->events)) { in nvme_scan_work()
4042 dev_info(ctrl->device, "rescanning namespaces.\n"); in nvme_scan_work()
4043 nvme_clear_changed_ns_log(ctrl); in nvme_scan_work()
4046 mutex_lock(&ctrl->scan_lock); in nvme_scan_work()
4047 if (nvme_ctrl_limited_cns(ctrl)) { in nvme_scan_work()
4048 nvme_scan_ns_sequential(ctrl); in nvme_scan_work()
4055 ret = nvme_scan_ns_list(ctrl); in nvme_scan_work()
4057 nvme_scan_ns_sequential(ctrl); in nvme_scan_work()
4059 mutex_unlock(&ctrl->scan_lock); in nvme_scan_work()
4067 void nvme_remove_namespaces(struct nvme_ctrl *ctrl) in nvme_remove_namespaces() argument
4077 nvme_mpath_clear_ctrl_paths(ctrl); in nvme_remove_namespaces()
4083 nvme_unquiesce_io_queues(ctrl); in nvme_remove_namespaces()
4086 flush_work(&ctrl->scan_work); in nvme_remove_namespaces()
4094 if (nvme_ctrl_state(ctrl) == NVME_CTRL_DEAD) in nvme_remove_namespaces()
4095 nvme_mark_namespaces_dead(ctrl); in nvme_remove_namespaces()
4098 nvme_change_ctrl_state(ctrl, NVME_CTRL_DELETING_NOIO); in nvme_remove_namespaces()
4100 down_write(&ctrl->namespaces_rwsem); in nvme_remove_namespaces()
4101 list_splice_init(&ctrl->namespaces, &ns_list); in nvme_remove_namespaces()
4102 up_write(&ctrl->namespaces_rwsem); in nvme_remove_namespaces()
4111 const struct nvme_ctrl *ctrl = in nvme_class_uevent() local
4113 struct nvmf_ctrl_options *opts = ctrl->opts; in nvme_class_uevent()
4116 ret = add_uevent_var(env, "NVME_TRTYPE=%s", ctrl->ops->name); in nvme_class_uevent()
4141 static void nvme_change_uevent(struct nvme_ctrl *ctrl, char *envdata) in nvme_change_uevent() argument
4145 kobject_uevent_env(&ctrl->device->kobj, KOBJ_CHANGE, envp); in nvme_change_uevent()
4148 static void nvme_aen_uevent(struct nvme_ctrl *ctrl) in nvme_aen_uevent() argument
4151 u32 aen_result = ctrl->aen_result; in nvme_aen_uevent()
4153 ctrl->aen_result = 0; in nvme_aen_uevent()
4160 kobject_uevent_env(&ctrl->device->kobj, KOBJ_CHANGE, envp); in nvme_aen_uevent()
4166 struct nvme_ctrl *ctrl = in nvme_async_event_work() local
4169 nvme_aen_uevent(ctrl); in nvme_async_event_work()
4173 * flushing ctrl async_event_work after changing the controller state in nvme_async_event_work()
4176 if (nvme_ctrl_state(ctrl) == NVME_CTRL_LIVE) in nvme_async_event_work()
4177 ctrl->ops->submit_async_event(ctrl); in nvme_async_event_work()
4180 static bool nvme_ctrl_pp_status(struct nvme_ctrl *ctrl) in nvme_ctrl_pp_status() argument
4185 if (ctrl->ops->reg_read32(ctrl, NVME_REG_CSTS, &csts)) in nvme_ctrl_pp_status()
4191 return ((ctrl->ctrl_config & NVME_CC_ENABLE) && (csts & NVME_CSTS_PP)); in nvme_ctrl_pp_status()
4194 static void nvme_get_fw_slot_info(struct nvme_ctrl *ctrl) in nvme_get_fw_slot_info() argument
4203 if (nvme_get_log(ctrl, NVME_NSID_ALL, NVME_LOG_FW_SLOT, 0, NVME_CSI_NVM, in nvme_get_fw_slot_info()
4205 dev_warn(ctrl->device, "Get FW SLOT INFO log error\n"); in nvme_get_fw_slot_info()
4212 dev_info(ctrl->device, in nvme_get_fw_slot_info()
4217 memcpy(ctrl->subsys->firmware_rev, &log->frs[cur_fw_slot - 1], in nvme_get_fw_slot_info()
4218 sizeof(ctrl->subsys->firmware_rev)); in nvme_get_fw_slot_info()
4226 struct nvme_ctrl *ctrl = container_of(work, in nvme_fw_act_work() local
4230 nvme_auth_stop(ctrl); in nvme_fw_act_work()
4232 if (ctrl->mtfa) in nvme_fw_act_work()
4234 msecs_to_jiffies(ctrl->mtfa * 100); in nvme_fw_act_work()
4239 nvme_quiesce_io_queues(ctrl); in nvme_fw_act_work()
4240 while (nvme_ctrl_pp_status(ctrl)) { in nvme_fw_act_work()
4242 dev_warn(ctrl->device, in nvme_fw_act_work()
4244 nvme_try_sched_reset(ctrl); in nvme_fw_act_work()
4250 if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_LIVE)) in nvme_fw_act_work()
4253 nvme_unquiesce_io_queues(ctrl); in nvme_fw_act_work()
4255 nvme_get_fw_slot_info(ctrl); in nvme_fw_act_work()
4257 queue_work(nvme_wq, &ctrl->async_event_work); in nvme_fw_act_work()
4270 static bool nvme_handle_aen_notice(struct nvme_ctrl *ctrl, u32 result) in nvme_handle_aen_notice() argument
4277 set_bit(NVME_AER_NOTICE_NS_CHANGED, &ctrl->events); in nvme_handle_aen_notice()
4278 nvme_queue_scan(ctrl); in nvme_handle_aen_notice()
4286 if (nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING)) { in nvme_handle_aen_notice()
4288 queue_work(nvme_wq, &ctrl->fw_act_work); in nvme_handle_aen_notice()
4293 if (!ctrl->ana_log_buf) in nvme_handle_aen_notice()
4295 queue_work(nvme_wq, &ctrl->ana_work); in nvme_handle_aen_notice()
4299 ctrl->aen_result = result; in nvme_handle_aen_notice()
4302 dev_warn(ctrl->device, "async event result %08x\n", result); in nvme_handle_aen_notice()
4307 static void nvme_handle_aer_persistent_error(struct nvme_ctrl *ctrl) in nvme_handle_aer_persistent_error() argument
4309 dev_warn(ctrl->device, "resetting controller due to AER\n"); in nvme_handle_aer_persistent_error()
4310 nvme_reset_ctrl(ctrl); in nvme_handle_aer_persistent_error()
4313 void nvme_complete_async_event(struct nvme_ctrl *ctrl, __le16 status, in nvme_complete_async_event() argument
4324 trace_nvme_async_event(ctrl, result); in nvme_complete_async_event()
4327 requeue = nvme_handle_aen_notice(ctrl, result); in nvme_complete_async_event()
4335 nvme_handle_aer_persistent_error(ctrl); in nvme_complete_async_event()
4342 ctrl->aen_result = result; in nvme_complete_async_event()
4349 queue_work(nvme_wq, &ctrl->async_event_work); in nvme_complete_async_event()
4353 int nvme_alloc_admin_tag_set(struct nvme_ctrl *ctrl, struct blk_mq_tag_set *set, in nvme_alloc_admin_tag_set() argument
4361 if (ctrl->ops->flags & NVME_F_FABRICS) in nvme_alloc_admin_tag_set()
4363 set->numa_node = ctrl->numa_node; in nvme_alloc_admin_tag_set()
4365 if (ctrl->ops->flags & NVME_F_BLOCKING) in nvme_alloc_admin_tag_set()
4368 set->driver_data = ctrl; in nvme_alloc_admin_tag_set()
4375 ctrl->admin_q = blk_mq_init_queue(set); in nvme_alloc_admin_tag_set()
4376 if (IS_ERR(ctrl->admin_q)) { in nvme_alloc_admin_tag_set()
4377 ret = PTR_ERR(ctrl->admin_q); in nvme_alloc_admin_tag_set()
4381 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_alloc_admin_tag_set()
4382 ctrl->fabrics_q = blk_mq_init_queue(set); in nvme_alloc_admin_tag_set()
4383 if (IS_ERR(ctrl->fabrics_q)) { in nvme_alloc_admin_tag_set()
4384 ret = PTR_ERR(ctrl->fabrics_q); in nvme_alloc_admin_tag_set()
4389 ctrl->admin_tagset = set; in nvme_alloc_admin_tag_set()
4393 blk_mq_destroy_queue(ctrl->admin_q); in nvme_alloc_admin_tag_set()
4394 blk_put_queue(ctrl->admin_q); in nvme_alloc_admin_tag_set()
4397 ctrl->admin_q = NULL; in nvme_alloc_admin_tag_set()
4398 ctrl->fabrics_q = NULL; in nvme_alloc_admin_tag_set()
4403 void nvme_remove_admin_tag_set(struct nvme_ctrl *ctrl) in nvme_remove_admin_tag_set() argument
4405 blk_mq_destroy_queue(ctrl->admin_q); in nvme_remove_admin_tag_set()
4406 blk_put_queue(ctrl->admin_q); in nvme_remove_admin_tag_set()
4407 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_remove_admin_tag_set()
4408 blk_mq_destroy_queue(ctrl->fabrics_q); in nvme_remove_admin_tag_set()
4409 blk_put_queue(ctrl->fabrics_q); in nvme_remove_admin_tag_set()
4411 blk_mq_free_tag_set(ctrl->admin_tagset); in nvme_remove_admin_tag_set()
4415 int nvme_alloc_io_tag_set(struct nvme_ctrl *ctrl, struct blk_mq_tag_set *set, in nvme_alloc_io_tag_set() argument
4423 set->queue_depth = min_t(unsigned, ctrl->sqsize, BLK_MQ_MAX_DEPTH - 1); in nvme_alloc_io_tag_set()
4428 if (ctrl->quirks & NVME_QUIRK_SHARED_TAGS) in nvme_alloc_io_tag_set()
4430 else if (ctrl->ops->flags & NVME_F_FABRICS) in nvme_alloc_io_tag_set()
4432 set->numa_node = ctrl->numa_node; in nvme_alloc_io_tag_set()
4434 if (ctrl->ops->flags & NVME_F_BLOCKING) in nvme_alloc_io_tag_set()
4437 set->driver_data = ctrl; in nvme_alloc_io_tag_set()
4438 set->nr_hw_queues = ctrl->queue_count - 1; in nvme_alloc_io_tag_set()
4445 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_alloc_io_tag_set()
4446 ctrl->connect_q = blk_mq_init_queue(set); in nvme_alloc_io_tag_set()
4447 if (IS_ERR(ctrl->connect_q)) { in nvme_alloc_io_tag_set()
4448 ret = PTR_ERR(ctrl->connect_q); in nvme_alloc_io_tag_set()
4452 ctrl->connect_q); in nvme_alloc_io_tag_set()
4455 ctrl->tagset = set; in nvme_alloc_io_tag_set()
4460 ctrl->connect_q = NULL; in nvme_alloc_io_tag_set()
4465 void nvme_remove_io_tag_set(struct nvme_ctrl *ctrl) in nvme_remove_io_tag_set() argument
4467 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_remove_io_tag_set()
4468 blk_mq_destroy_queue(ctrl->connect_q); in nvme_remove_io_tag_set()
4469 blk_put_queue(ctrl->connect_q); in nvme_remove_io_tag_set()
4471 blk_mq_free_tag_set(ctrl->tagset); in nvme_remove_io_tag_set()
4475 void nvme_stop_ctrl(struct nvme_ctrl *ctrl) in nvme_stop_ctrl() argument
4477 nvme_mpath_stop(ctrl); in nvme_stop_ctrl()
4478 nvme_auth_stop(ctrl); in nvme_stop_ctrl()
4479 nvme_stop_keep_alive(ctrl); in nvme_stop_ctrl()
4480 nvme_stop_failfast_work(ctrl); in nvme_stop_ctrl()
4481 flush_work(&ctrl->async_event_work); in nvme_stop_ctrl()
4482 cancel_work_sync(&ctrl->fw_act_work); in nvme_stop_ctrl()
4483 if (ctrl->ops->stop_ctrl) in nvme_stop_ctrl()
4484 ctrl->ops->stop_ctrl(ctrl); in nvme_stop_ctrl()
4488 void nvme_start_ctrl(struct nvme_ctrl *ctrl) in nvme_start_ctrl() argument
4490 nvme_enable_aen(ctrl); in nvme_start_ctrl()
4498 if (test_bit(NVME_CTRL_STARTED_ONCE, &ctrl->flags) && in nvme_start_ctrl()
4499 nvme_discovery_ctrl(ctrl)) in nvme_start_ctrl()
4500 nvme_change_uevent(ctrl, "NVME_EVENT=rediscover"); in nvme_start_ctrl()
4502 if (ctrl->queue_count > 1) { in nvme_start_ctrl()
4503 nvme_queue_scan(ctrl); in nvme_start_ctrl()
4504 nvme_unquiesce_io_queues(ctrl); in nvme_start_ctrl()
4505 nvme_mpath_update(ctrl); in nvme_start_ctrl()
4508 nvme_change_uevent(ctrl, "NVME_EVENT=connected"); in nvme_start_ctrl()
4509 set_bit(NVME_CTRL_STARTED_ONCE, &ctrl->flags); in nvme_start_ctrl()
4513 void nvme_uninit_ctrl(struct nvme_ctrl *ctrl) in nvme_uninit_ctrl() argument
4515 nvme_hwmon_exit(ctrl); in nvme_uninit_ctrl()
4516 nvme_fault_inject_fini(&ctrl->fault_inject); in nvme_uninit_ctrl()
4517 dev_pm_qos_hide_latency_tolerance(ctrl->device); in nvme_uninit_ctrl()
4518 cdev_device_del(&ctrl->cdev, ctrl->device); in nvme_uninit_ctrl()
4519 nvme_put_ctrl(ctrl); in nvme_uninit_ctrl()
4523 static void nvme_free_cels(struct nvme_ctrl *ctrl) in nvme_free_cels() argument
4528 xa_for_each(&ctrl->cels, i, cel) { in nvme_free_cels()
4529 xa_erase(&ctrl->cels, i); in nvme_free_cels()
4533 xa_destroy(&ctrl->cels); in nvme_free_cels()
4538 struct nvme_ctrl *ctrl = in nvme_free_ctrl() local
4540 struct nvme_subsystem *subsys = ctrl->subsys; in nvme_free_ctrl()
4542 if (!subsys || ctrl->instance != subsys->instance) in nvme_free_ctrl()
4543 ida_free(&nvme_instance_ida, ctrl->instance); in nvme_free_ctrl()
4544 key_put(ctrl->tls_key); in nvme_free_ctrl()
4545 nvme_free_cels(ctrl); in nvme_free_ctrl()
4546 nvme_mpath_uninit(ctrl); in nvme_free_ctrl()
4547 nvme_auth_stop(ctrl); in nvme_free_ctrl()
4548 nvme_auth_free(ctrl); in nvme_free_ctrl()
4549 __free_page(ctrl->discard_page); in nvme_free_ctrl()
4550 free_opal_dev(ctrl->opal_dev); in nvme_free_ctrl()
4554 list_del(&ctrl->subsys_entry); in nvme_free_ctrl()
4555 sysfs_remove_link(&subsys->dev.kobj, dev_name(ctrl->device)); in nvme_free_ctrl()
4559 ctrl->ops->free_ctrl(ctrl); in nvme_free_ctrl()
4570 int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev, in nvme_init_ctrl() argument
4575 WRITE_ONCE(ctrl->state, NVME_CTRL_NEW); in nvme_init_ctrl()
4576 ctrl->passthru_err_log_enabled = false; in nvme_init_ctrl()
4577 clear_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); in nvme_init_ctrl()
4578 spin_lock_init(&ctrl->lock); in nvme_init_ctrl()
4579 mutex_init(&ctrl->scan_lock); in nvme_init_ctrl()
4580 INIT_LIST_HEAD(&ctrl->namespaces); in nvme_init_ctrl()
4581 xa_init(&ctrl->cels); in nvme_init_ctrl()
4582 init_rwsem(&ctrl->namespaces_rwsem); in nvme_init_ctrl()
4583 ctrl->dev = dev; in nvme_init_ctrl()
4584 ctrl->ops = ops; in nvme_init_ctrl()
4585 ctrl->quirks = quirks; in nvme_init_ctrl()
4586 ctrl->numa_node = NUMA_NO_NODE; in nvme_init_ctrl()
4587 INIT_WORK(&ctrl->scan_work, nvme_scan_work); in nvme_init_ctrl()
4588 INIT_WORK(&ctrl->async_event_work, nvme_async_event_work); in nvme_init_ctrl()
4589 INIT_WORK(&ctrl->fw_act_work, nvme_fw_act_work); in nvme_init_ctrl()
4590 INIT_WORK(&ctrl->delete_work, nvme_delete_ctrl_work); in nvme_init_ctrl()
4591 init_waitqueue_head(&ctrl->state_wq); in nvme_init_ctrl()
4593 INIT_DELAYED_WORK(&ctrl->ka_work, nvme_keep_alive_work); in nvme_init_ctrl()
4594 INIT_DELAYED_WORK(&ctrl->failfast_work, nvme_failfast_work); in nvme_init_ctrl()
4595 memset(&ctrl->ka_cmd, 0, sizeof(ctrl->ka_cmd)); in nvme_init_ctrl()
4596 ctrl->ka_cmd.common.opcode = nvme_admin_keep_alive; in nvme_init_ctrl()
4597 ctrl->ka_last_check_time = jiffies; in nvme_init_ctrl()
4601 ctrl->discard_page = alloc_page(GFP_KERNEL); in nvme_init_ctrl()
4602 if (!ctrl->discard_page) { in nvme_init_ctrl()
4610 ctrl->instance = ret; in nvme_init_ctrl()
4612 device_initialize(&ctrl->ctrl_device); in nvme_init_ctrl()
4613 ctrl->device = &ctrl->ctrl_device; in nvme_init_ctrl()
4614 ctrl->device->devt = MKDEV(MAJOR(nvme_ctrl_base_chr_devt), in nvme_init_ctrl()
4615 ctrl->instance); in nvme_init_ctrl()
4616 ctrl->device->class = nvme_class; in nvme_init_ctrl()
4617 ctrl->device->parent = ctrl->dev; in nvme_init_ctrl()
4619 ctrl->device->groups = ops->dev_attr_groups; in nvme_init_ctrl()
4621 ctrl->device->groups = nvme_dev_attr_groups; in nvme_init_ctrl()
4622 ctrl->device->release = nvme_free_ctrl; in nvme_init_ctrl()
4623 dev_set_drvdata(ctrl->device, ctrl); in nvme_init_ctrl()
4624 ret = dev_set_name(ctrl->device, "nvme%d", ctrl->instance); in nvme_init_ctrl()
4628 nvme_get_ctrl(ctrl); in nvme_init_ctrl()
4629 cdev_init(&ctrl->cdev, &nvme_dev_fops); in nvme_init_ctrl()
4630 ctrl->cdev.owner = ops->module; in nvme_init_ctrl()
4631 ret = cdev_device_add(&ctrl->cdev, ctrl->device); in nvme_init_ctrl()
4639 ctrl->device->power.set_latency_tolerance = nvme_set_latency_tolerance; in nvme_init_ctrl()
4640 dev_pm_qos_update_user_latency_tolerance(ctrl->device, in nvme_init_ctrl()
4643 nvme_fault_inject_init(&ctrl->fault_inject, dev_name(ctrl->device)); in nvme_init_ctrl()
4644 nvme_mpath_init_ctrl(ctrl); in nvme_init_ctrl()
4645 ret = nvme_auth_init_ctrl(ctrl); in nvme_init_ctrl()
4651 nvme_fault_inject_fini(&ctrl->fault_inject); in nvme_init_ctrl()
4652 dev_pm_qos_hide_latency_tolerance(ctrl->device); in nvme_init_ctrl()
4653 cdev_device_del(&ctrl->cdev, ctrl->device); in nvme_init_ctrl()
4655 nvme_put_ctrl(ctrl); in nvme_init_ctrl()
4656 kfree_const(ctrl->device->kobj.name); in nvme_init_ctrl()
4658 ida_free(&nvme_instance_ida, ctrl->instance); in nvme_init_ctrl()
4660 if (ctrl->discard_page) in nvme_init_ctrl()
4661 __free_page(ctrl->discard_page); in nvme_init_ctrl()
4667 void nvme_mark_namespaces_dead(struct nvme_ctrl *ctrl) in nvme_mark_namespaces_dead() argument
4671 down_read(&ctrl->namespaces_rwsem); in nvme_mark_namespaces_dead()
4672 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_mark_namespaces_dead()
4674 up_read(&ctrl->namespaces_rwsem); in nvme_mark_namespaces_dead()
4678 void nvme_unfreeze(struct nvme_ctrl *ctrl) in nvme_unfreeze() argument
4682 down_read(&ctrl->namespaces_rwsem); in nvme_unfreeze()
4683 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_unfreeze()
4685 up_read(&ctrl->namespaces_rwsem); in nvme_unfreeze()
4686 clear_bit(NVME_CTRL_FROZEN, &ctrl->flags); in nvme_unfreeze()
4690 int nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout) in nvme_wait_freeze_timeout() argument
4694 down_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze_timeout()
4695 list_for_each_entry(ns, &ctrl->namespaces, list) { in nvme_wait_freeze_timeout()
4700 up_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze_timeout()
4705 void nvme_wait_freeze(struct nvme_ctrl *ctrl) in nvme_wait_freeze() argument
4709 down_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze()
4710 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_wait_freeze()
4712 up_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze()
4716 void nvme_start_freeze(struct nvme_ctrl *ctrl) in nvme_start_freeze() argument
4720 set_bit(NVME_CTRL_FROZEN, &ctrl->flags); in nvme_start_freeze()
4721 down_read(&ctrl->namespaces_rwsem); in nvme_start_freeze()
4722 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_start_freeze()
4724 up_read(&ctrl->namespaces_rwsem); in nvme_start_freeze()
4728 void nvme_quiesce_io_queues(struct nvme_ctrl *ctrl) in nvme_quiesce_io_queues() argument
4730 if (!ctrl->tagset) in nvme_quiesce_io_queues()
4732 if (!test_and_set_bit(NVME_CTRL_STOPPED, &ctrl->flags)) in nvme_quiesce_io_queues()
4733 blk_mq_quiesce_tagset(ctrl->tagset); in nvme_quiesce_io_queues()
4735 blk_mq_wait_quiesce_done(ctrl->tagset); in nvme_quiesce_io_queues()
4739 void nvme_unquiesce_io_queues(struct nvme_ctrl *ctrl) in nvme_unquiesce_io_queues() argument
4741 if (!ctrl->tagset) in nvme_unquiesce_io_queues()
4743 if (test_and_clear_bit(NVME_CTRL_STOPPED, &ctrl->flags)) in nvme_unquiesce_io_queues()
4744 blk_mq_unquiesce_tagset(ctrl->tagset); in nvme_unquiesce_io_queues()
4748 void nvme_quiesce_admin_queue(struct nvme_ctrl *ctrl) in nvme_quiesce_admin_queue() argument
4750 if (!test_and_set_bit(NVME_CTRL_ADMIN_Q_STOPPED, &ctrl->flags)) in nvme_quiesce_admin_queue()
4751 blk_mq_quiesce_queue(ctrl->admin_q); in nvme_quiesce_admin_queue()
4753 blk_mq_wait_quiesce_done(ctrl->admin_q->tag_set); in nvme_quiesce_admin_queue()
4757 void nvme_unquiesce_admin_queue(struct nvme_ctrl *ctrl) in nvme_unquiesce_admin_queue() argument
4759 if (test_and_clear_bit(NVME_CTRL_ADMIN_Q_STOPPED, &ctrl->flags)) in nvme_unquiesce_admin_queue()
4760 blk_mq_unquiesce_queue(ctrl->admin_q); in nvme_unquiesce_admin_queue()
4764 void nvme_sync_io_queues(struct nvme_ctrl *ctrl) in nvme_sync_io_queues() argument
4768 down_read(&ctrl->namespaces_rwsem); in nvme_sync_io_queues()
4769 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_sync_io_queues()
4771 up_read(&ctrl->namespaces_rwsem); in nvme_sync_io_queues()
4775 void nvme_sync_queues(struct nvme_ctrl *ctrl) in nvme_sync_queues() argument
4777 nvme_sync_io_queues(ctrl); in nvme_sync_queues()
4778 if (ctrl->admin_q) in nvme_sync_queues()
4779 blk_sync_queue(ctrl->admin_q); in nvme_sync_queues()