Lines Matching refs:ctrl
124 static void nvme_remove_invalid_namespaces(struct nvme_ctrl *ctrl,
126 static void nvme_update_keep_alive(struct nvme_ctrl *ctrl,
129 void nvme_queue_scan(struct nvme_ctrl *ctrl) in nvme_queue_scan() argument
134 if (ctrl->state == NVME_CTRL_LIVE && ctrl->tagset) in nvme_queue_scan()
135 queue_work(nvme_wq, &ctrl->scan_work); in nvme_queue_scan()
144 int nvme_try_sched_reset(struct nvme_ctrl *ctrl) in nvme_try_sched_reset() argument
146 if (ctrl->state != NVME_CTRL_RESETTING) in nvme_try_sched_reset()
148 if (!queue_work(nvme_reset_wq, &ctrl->reset_work)) in nvme_try_sched_reset()
156 struct nvme_ctrl *ctrl = container_of(to_delayed_work(work), in nvme_failfast_work() local
159 if (ctrl->state != NVME_CTRL_CONNECTING) in nvme_failfast_work()
162 set_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); in nvme_failfast_work()
163 dev_info(ctrl->device, "failfast expired\n"); in nvme_failfast_work()
164 nvme_kick_requeue_lists(ctrl); in nvme_failfast_work()
167 static inline void nvme_start_failfast_work(struct nvme_ctrl *ctrl) in nvme_start_failfast_work() argument
169 if (!ctrl->opts || ctrl->opts->fast_io_fail_tmo == -1) in nvme_start_failfast_work()
172 schedule_delayed_work(&ctrl->failfast_work, in nvme_start_failfast_work()
173 ctrl->opts->fast_io_fail_tmo * HZ); in nvme_start_failfast_work()
176 static inline void nvme_stop_failfast_work(struct nvme_ctrl *ctrl) in nvme_stop_failfast_work() argument
178 if (!ctrl->opts) in nvme_stop_failfast_work()
181 cancel_delayed_work_sync(&ctrl->failfast_work); in nvme_stop_failfast_work()
182 clear_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); in nvme_stop_failfast_work()
186 int nvme_reset_ctrl(struct nvme_ctrl *ctrl) in nvme_reset_ctrl() argument
188 if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING)) in nvme_reset_ctrl()
190 if (!queue_work(nvme_reset_wq, &ctrl->reset_work)) in nvme_reset_ctrl()
196 int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl) in nvme_reset_ctrl_sync() argument
200 ret = nvme_reset_ctrl(ctrl); in nvme_reset_ctrl_sync()
202 flush_work(&ctrl->reset_work); in nvme_reset_ctrl_sync()
203 if (ctrl->state != NVME_CTRL_LIVE) in nvme_reset_ctrl_sync()
210 static void nvme_do_delete_ctrl(struct nvme_ctrl *ctrl) in nvme_do_delete_ctrl() argument
212 dev_info(ctrl->device, in nvme_do_delete_ctrl()
213 "Removing ctrl: NQN \"%s\"\n", nvmf_ctrl_subsysnqn(ctrl)); in nvme_do_delete_ctrl()
215 flush_work(&ctrl->reset_work); in nvme_do_delete_ctrl()
216 nvme_stop_ctrl(ctrl); in nvme_do_delete_ctrl()
217 nvme_remove_namespaces(ctrl); in nvme_do_delete_ctrl()
218 ctrl->ops->delete_ctrl(ctrl); in nvme_do_delete_ctrl()
219 nvme_uninit_ctrl(ctrl); in nvme_do_delete_ctrl()
224 struct nvme_ctrl *ctrl = in nvme_delete_ctrl_work() local
227 nvme_do_delete_ctrl(ctrl); in nvme_delete_ctrl_work()
230 int nvme_delete_ctrl(struct nvme_ctrl *ctrl) in nvme_delete_ctrl() argument
232 if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_DELETING)) in nvme_delete_ctrl()
234 if (!queue_work(nvme_delete_wq, &ctrl->delete_work)) in nvme_delete_ctrl()
240 void nvme_delete_ctrl_sync(struct nvme_ctrl *ctrl) in nvme_delete_ctrl_sync() argument
246 nvme_get_ctrl(ctrl); in nvme_delete_ctrl_sync()
247 if (nvme_change_ctrl_state(ctrl, NVME_CTRL_DELETING)) in nvme_delete_ctrl_sync()
248 nvme_do_delete_ctrl(ctrl); in nvme_delete_ctrl_sync()
249 nvme_put_ctrl(ctrl); in nvme_delete_ctrl_sync()
302 delay = nvme_req(req)->ctrl->crdt[crd - 1] * 100; in nvme_retry_req()
330 dev_name(nr->ctrl->device), in nvme_log_error()
395 struct nvme_ctrl *ctrl = nvme_req(req)->ctrl; in nvme_complete_rq() local
408 if (ctrl->kas && in nvme_complete_rq()
409 req->deadline - req->timeout >= ctrl->ka_last_check_time) in nvme_complete_rq()
410 ctrl->comp_seen = true; in nvme_complete_rq()
424 queue_work(nvme_wq, &ctrl->dhchap_auth_work); in nvme_complete_rq()
473 void nvme_cancel_tagset(struct nvme_ctrl *ctrl) in nvme_cancel_tagset() argument
475 if (ctrl->tagset) { in nvme_cancel_tagset()
476 blk_mq_tagset_busy_iter(ctrl->tagset, in nvme_cancel_tagset()
477 nvme_cancel_request, ctrl); in nvme_cancel_tagset()
478 blk_mq_tagset_wait_completed_request(ctrl->tagset); in nvme_cancel_tagset()
483 void nvme_cancel_admin_tagset(struct nvme_ctrl *ctrl) in nvme_cancel_admin_tagset() argument
485 if (ctrl->admin_tagset) { in nvme_cancel_admin_tagset()
486 blk_mq_tagset_busy_iter(ctrl->admin_tagset, in nvme_cancel_admin_tagset()
487 nvme_cancel_request, ctrl); in nvme_cancel_admin_tagset()
488 blk_mq_tagset_wait_completed_request(ctrl->admin_tagset); in nvme_cancel_admin_tagset()
493 bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, in nvme_change_ctrl_state() argument
500 spin_lock_irqsave(&ctrl->lock, flags); in nvme_change_ctrl_state()
502 old_state = ctrl->state; in nvme_change_ctrl_state()
570 ctrl->state = new_state; in nvme_change_ctrl_state()
571 wake_up_all(&ctrl->state_wq); in nvme_change_ctrl_state()
574 spin_unlock_irqrestore(&ctrl->lock, flags); in nvme_change_ctrl_state()
578 if (ctrl->state == NVME_CTRL_LIVE) { in nvme_change_ctrl_state()
580 nvme_stop_failfast_work(ctrl); in nvme_change_ctrl_state()
581 nvme_kick_requeue_lists(ctrl); in nvme_change_ctrl_state()
582 } else if (ctrl->state == NVME_CTRL_CONNECTING && in nvme_change_ctrl_state()
584 nvme_start_failfast_work(ctrl); in nvme_change_ctrl_state()
593 static bool nvme_state_terminal(struct nvme_ctrl *ctrl) in nvme_state_terminal() argument
595 switch (ctrl->state) { in nvme_state_terminal()
606 WARN_ONCE(1, "Unhandled ctrl state:%d", ctrl->state); in nvme_state_terminal()
615 bool nvme_wait_reset(struct nvme_ctrl *ctrl) in nvme_wait_reset() argument
617 wait_event(ctrl->state_wq, in nvme_wait_reset()
618 nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING) || in nvme_wait_reset()
619 nvme_state_terminal(ctrl)); in nvme_wait_reset()
620 return ctrl->state == NVME_CTRL_RESETTING; in nvme_wait_reset()
652 nvme_put_ctrl(ns->ctrl); in nvme_free_ns()
704 blk_status_t nvme_fail_nonready_command(struct nvme_ctrl *ctrl, in nvme_fail_nonready_command() argument
707 if (ctrl->state != NVME_CTRL_DELETING_NOIO && in nvme_fail_nonready_command()
708 ctrl->state != NVME_CTRL_DELETING && in nvme_fail_nonready_command()
709 ctrl->state != NVME_CTRL_DEAD && in nvme_fail_nonready_command()
710 !test_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags) && in nvme_fail_nonready_command()
717 bool __nvme_check_ready(struct nvme_ctrl *ctrl, struct request *rq, in __nvme_check_ready() argument
730 if (rq->q == ctrl->admin_q && (req->flags & NVME_REQ_USERCMD)) in __nvme_check_ready()
733 if (ctrl->ops->flags & NVME_F_FABRICS) { in __nvme_check_ready()
739 switch (ctrl->state) { in __nvme_check_ready()
787 if (test_and_set_bit_lock(0, &ns->ctrl->discard_page_busy)) in nvme_setup_discard()
790 range = page_address(ns->ctrl->discard_page); in nvme_setup_discard()
816 if (virt_to_page(range) == ns->ctrl->discard_page) in nvme_setup_discard()
817 clear_bit_unlock(0, &ns->ctrl->discard_page_busy); in nvme_setup_discard()
864 if (ns->ctrl->quirks & NVME_QUIRK_DEALLOCATE_ZEROES) in nvme_setup_write_zeroes()
954 struct nvme_ctrl *ctrl = nvme_req(req)->ctrl; in nvme_cleanup_cmd() local
956 if (req->special_vec.bv_page == ctrl->discard_page) in nvme_cleanup_cmd()
957 clear_bit_unlock(0, &ctrl->discard_page_busy); in nvme_cleanup_cmd()
1082 u32 nvme_command_effects(struct nvme_ctrl *ctrl, struct nvme_ns *ns, u8 opcode) in nvme_command_effects() argument
1089 dev_warn_once(ctrl->device, in nvme_command_effects()
1100 effects = le32_to_cpu(ctrl->effects->acs[opcode]); in nvme_command_effects()
1107 u32 nvme_passthru_start(struct nvme_ctrl *ctrl, struct nvme_ns *ns, u8 opcode) in nvme_passthru_start() argument
1109 u32 effects = nvme_command_effects(ctrl, ns, opcode); in nvme_passthru_start()
1116 mutex_lock(&ctrl->scan_lock); in nvme_passthru_start()
1117 mutex_lock(&ctrl->subsys->lock); in nvme_passthru_start()
1118 nvme_mpath_start_freeze(ctrl->subsys); in nvme_passthru_start()
1119 nvme_mpath_wait_freeze(ctrl->subsys); in nvme_passthru_start()
1120 nvme_start_freeze(ctrl); in nvme_passthru_start()
1121 nvme_wait_freeze(ctrl); in nvme_passthru_start()
1127 void nvme_passthru_end(struct nvme_ctrl *ctrl, struct nvme_ns *ns, u32 effects, in nvme_passthru_end() argument
1131 nvme_unfreeze(ctrl); in nvme_passthru_end()
1132 nvme_mpath_unfreeze(ctrl->subsys); in nvme_passthru_end()
1133 mutex_unlock(&ctrl->subsys->lock); in nvme_passthru_end()
1134 mutex_unlock(&ctrl->scan_lock); in nvme_passthru_end()
1138 &ctrl->flags)) { in nvme_passthru_end()
1139 dev_info(ctrl->device, in nvme_passthru_end()
1144 nvme_queue_scan(ctrl); in nvme_passthru_end()
1145 flush_work(&ctrl->scan_work); in nvme_passthru_end()
1160 nvme_update_keep_alive(ctrl, cmd); in nvme_passthru_end()
1178 static unsigned long nvme_keep_alive_work_period(struct nvme_ctrl *ctrl) in nvme_keep_alive_work_period() argument
1180 unsigned long delay = ctrl->kato * HZ / 2; in nvme_keep_alive_work_period()
1188 if (ctrl->ctratt & NVME_CTRL_ATTR_TBKAS) in nvme_keep_alive_work_period()
1193 static void nvme_queue_keep_alive_work(struct nvme_ctrl *ctrl) in nvme_queue_keep_alive_work() argument
1195 queue_delayed_work(nvme_wq, &ctrl->ka_work, in nvme_queue_keep_alive_work()
1196 nvme_keep_alive_work_period(ctrl)); in nvme_queue_keep_alive_work()
1202 struct nvme_ctrl *ctrl = rq->end_io_data; in nvme_keep_alive_end_io() local
1206 unsigned long delay = nvme_keep_alive_work_period(ctrl); in nvme_keep_alive_end_io()
1215 dev_warn(ctrl->device, "long keepalive RTT (%u ms)\n", in nvme_keep_alive_end_io()
1223 dev_err(ctrl->device, in nvme_keep_alive_end_io()
1229 ctrl->ka_last_check_time = jiffies; in nvme_keep_alive_end_io()
1230 ctrl->comp_seen = false; in nvme_keep_alive_end_io()
1231 spin_lock_irqsave(&ctrl->lock, flags); in nvme_keep_alive_end_io()
1232 if (ctrl->state == NVME_CTRL_LIVE || in nvme_keep_alive_end_io()
1233 ctrl->state == NVME_CTRL_CONNECTING) in nvme_keep_alive_end_io()
1235 spin_unlock_irqrestore(&ctrl->lock, flags); in nvme_keep_alive_end_io()
1237 queue_delayed_work(nvme_wq, &ctrl->ka_work, delay); in nvme_keep_alive_end_io()
1243 struct nvme_ctrl *ctrl = container_of(to_delayed_work(work), in nvme_keep_alive_work() local
1245 bool comp_seen = ctrl->comp_seen; in nvme_keep_alive_work()
1248 ctrl->ka_last_check_time = jiffies; in nvme_keep_alive_work()
1250 if ((ctrl->ctratt & NVME_CTRL_ATTR_TBKAS) && comp_seen) { in nvme_keep_alive_work()
1251 dev_dbg(ctrl->device, in nvme_keep_alive_work()
1253 ctrl->comp_seen = false; in nvme_keep_alive_work()
1254 nvme_queue_keep_alive_work(ctrl); in nvme_keep_alive_work()
1258 rq = blk_mq_alloc_request(ctrl->admin_q, nvme_req_op(&ctrl->ka_cmd), in nvme_keep_alive_work()
1262 dev_err(ctrl->device, "keep-alive failed: %ld\n", PTR_ERR(rq)); in nvme_keep_alive_work()
1263 nvme_reset_ctrl(ctrl); in nvme_keep_alive_work()
1266 nvme_init_request(rq, &ctrl->ka_cmd); in nvme_keep_alive_work()
1268 rq->timeout = ctrl->kato * HZ; in nvme_keep_alive_work()
1270 rq->end_io_data = ctrl; in nvme_keep_alive_work()
1274 static void nvme_start_keep_alive(struct nvme_ctrl *ctrl) in nvme_start_keep_alive() argument
1276 if (unlikely(ctrl->kato == 0)) in nvme_start_keep_alive()
1279 nvme_queue_keep_alive_work(ctrl); in nvme_start_keep_alive()
1282 void nvme_stop_keep_alive(struct nvme_ctrl *ctrl) in nvme_stop_keep_alive() argument
1284 if (unlikely(ctrl->kato == 0)) in nvme_stop_keep_alive()
1287 cancel_delayed_work_sync(&ctrl->ka_work); in nvme_stop_keep_alive()
1291 static void nvme_update_keep_alive(struct nvme_ctrl *ctrl, in nvme_update_keep_alive() argument
1297 dev_info(ctrl->device, in nvme_update_keep_alive()
1299 ctrl->kato * 1000 / 2, new_kato * 1000 / 2); in nvme_update_keep_alive()
1301 nvme_stop_keep_alive(ctrl); in nvme_update_keep_alive()
1302 ctrl->kato = new_kato; in nvme_update_keep_alive()
1303 nvme_start_keep_alive(ctrl); in nvme_update_keep_alive()
1312 static bool nvme_ctrl_limited_cns(struct nvme_ctrl *ctrl) in nvme_ctrl_limited_cns() argument
1314 if (ctrl->quirks & NVME_QUIRK_IDENTIFY_CNS) in nvme_ctrl_limited_cns()
1315 return ctrl->vs < NVME_VS(1, 2, 0); in nvme_ctrl_limited_cns()
1316 return ctrl->vs < NVME_VS(1, 1, 0); in nvme_ctrl_limited_cns()
1339 static int nvme_process_ns_desc(struct nvme_ctrl *ctrl, struct nvme_ns_ids *ids, in nvme_process_ns_desc() argument
1348 dev_warn(ctrl->device, "%s %d for NVME_NIDT_EUI64\n", in nvme_process_ns_desc()
1352 if (ctrl->quirks & NVME_QUIRK_BOGUS_NID) in nvme_process_ns_desc()
1358 dev_warn(ctrl->device, "%s %d for NVME_NIDT_NGUID\n", in nvme_process_ns_desc()
1362 if (ctrl->quirks & NVME_QUIRK_BOGUS_NID) in nvme_process_ns_desc()
1368 dev_warn(ctrl->device, "%s %d for NVME_NIDT_UUID\n", in nvme_process_ns_desc()
1372 if (ctrl->quirks & NVME_QUIRK_BOGUS_NID) in nvme_process_ns_desc()
1378 dev_warn(ctrl->device, "%s %d for NVME_NIDT_CSI\n", in nvme_process_ns_desc()
1391 static int nvme_identify_ns_descs(struct nvme_ctrl *ctrl, in nvme_identify_ns_descs() argument
1399 if (ctrl->vs < NVME_VS(1, 3, 0) && !nvme_multi_css(ctrl)) in nvme_identify_ns_descs()
1401 if (ctrl->quirks & NVME_QUIRK_NO_NS_DESC_LIST) in nvme_identify_ns_descs()
1412 status = nvme_submit_sync_cmd(ctrl->admin_q, &c, data, in nvme_identify_ns_descs()
1415 dev_warn(ctrl->device, in nvme_identify_ns_descs()
1427 len = nvme_process_ns_desc(ctrl, &info->ids, cur, &csi_seen); in nvme_identify_ns_descs()
1434 if (nvme_multi_css(ctrl) && !csi_seen) { in nvme_identify_ns_descs()
1435 dev_warn(ctrl->device, "Command set not reported for nsid:%d\n", in nvme_identify_ns_descs()
1445 static int nvme_identify_ns(struct nvme_ctrl *ctrl, unsigned nsid, in nvme_identify_ns() argument
1460 error = nvme_submit_sync_cmd(ctrl->admin_q, &c, *id, sizeof(**id)); in nvme_identify_ns()
1462 dev_warn(ctrl->device, "Identify namespace failed (%d)\n", error); in nvme_identify_ns()
1468 static int nvme_ns_info_from_identify(struct nvme_ctrl *ctrl, in nvme_ns_info_from_identify() argument
1475 ret = nvme_identify_ns(ctrl, info->nsid, &id); in nvme_ns_info_from_identify()
1489 if (ctrl->quirks & NVME_QUIRK_BOGUS_NID) { in nvme_ns_info_from_identify()
1490 dev_info(ctrl->device, in nvme_ns_info_from_identify()
1493 if (ctrl->vs >= NVME_VS(1, 1, 0) && in nvme_ns_info_from_identify()
1496 if (ctrl->vs >= NVME_VS(1, 2, 0) && in nvme_ns_info_from_identify()
1504 static int nvme_ns_info_from_id_cs_indep(struct nvme_ctrl *ctrl, in nvme_ns_info_from_id_cs_indep() argument
1519 ret = nvme_submit_sync_cmd(ctrl->admin_q, &c, id, sizeof(*id)); in nvme_ns_info_from_id_cs_indep()
1566 int nvme_set_queue_count(struct nvme_ctrl *ctrl, int *count) in nvme_set_queue_count() argument
1572 status = nvme_set_features(ctrl, NVME_FEAT_NUM_QUEUES, q_count, NULL, 0, in nvme_set_queue_count()
1583 dev_err(ctrl->device, "Could not set queue count (%d)\n", status); in nvme_set_queue_count()
1598 static void nvme_enable_aen(struct nvme_ctrl *ctrl) in nvme_enable_aen() argument
1600 u32 result, supported_aens = ctrl->oaes & NVME_AEN_SUPPORTED; in nvme_enable_aen()
1606 status = nvme_set_features(ctrl, NVME_FEAT_ASYNC_EVENT, supported_aens, in nvme_enable_aen()
1609 dev_warn(ctrl->device, "Failed to configure AEN (cfg %x)\n", in nvme_enable_aen()
1612 queue_work(nvme_wq, &ctrl->async_event_work); in nvme_enable_aen()
1623 if (!try_module_get(ns->ctrl->ops->module)) in nvme_ns_open()
1637 module_put(ns->ctrl->ops->module); in nvme_ns_release()
1720 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_config_discard() local
1724 if (ctrl->dmrsl && ctrl->dmrsl <= nvme_sect_to_lba(ns, UINT_MAX)) in nvme_config_discard()
1725 ctrl->max_discard_sectors = nvme_lba_to_sect(ns, ctrl->dmrsl); in nvme_config_discard()
1727 if (ctrl->max_discard_sectors == 0) { in nvme_config_discard()
1741 blk_queue_max_discard_sectors(queue, ctrl->max_discard_sectors); in nvme_config_discard()
1742 blk_queue_max_discard_segments(queue, ctrl->max_discard_segments); in nvme_config_discard()
1744 if (ctrl->quirks & NVME_QUIRK_DEALLOCATE_ZEROES) in nvme_config_discard()
1760 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_init_ms() local
1768 if (!(ctrl->ctratt & NVME_CTRL_ATTR_ELBAS)) { in nvme_init_ms()
1783 ret = nvme_submit_sync_cmd(ns->ctrl->admin_q, &c, nvm, sizeof(*nvm)); in nvme_init_ms()
1818 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_configure_metadata() local
1824 if (!ns->ms || !(ctrl->ops->flags & NVME_F_METADATA_SUPPORTED)) in nvme_configure_metadata()
1827 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_configure_metadata()
1847 if (ctrl->max_integrity_segments && nvme_ns_has_pi(ns)) in nvme_configure_metadata()
1863 static void nvme_set_queue_limits(struct nvme_ctrl *ctrl, in nvme_set_queue_limits() argument
1866 bool vwc = ctrl->vwc & NVME_CTRL_VWC_PRESENT; in nvme_set_queue_limits()
1868 if (ctrl->max_hw_sectors) { in nvme_set_queue_limits()
1870 (ctrl->max_hw_sectors / (NVME_CTRL_PAGE_SIZE >> 9)) + 1; in nvme_set_queue_limits()
1872 max_segments = min_not_zero(max_segments, ctrl->max_segments); in nvme_set_queue_limits()
1873 blk_queue_max_hw_sectors(q, ctrl->max_hw_sectors); in nvme_set_queue_limits()
1909 atomic_bs = (1 + ns->ctrl->subsys->awupf) * bs; in nvme_update_disk_info()
1939 ns->ctrl->max_integrity_segments); in nvme_update_disk_info()
1948 ns->ctrl->max_zeroes_sectors); in nvme_update_disk_info()
1964 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_set_chunk_sectors() local
1967 if ((ctrl->quirks & NVME_QUIRK_STRIPE_SIZE) && in nvme_set_chunk_sectors()
1968 is_power_of_2(ctrl->max_hw_sectors)) in nvme_set_chunk_sectors()
1969 iob = ctrl->max_hw_sectors; in nvme_set_chunk_sectors()
1997 nvme_set_queue_limits(ns->ctrl, ns->queue); in nvme_update_ns_info_generic()
2025 ret = nvme_identify_ns(ns->ctrl, info->nsid, &id); in nvme_update_ns_info_block()
2032 nvme_set_queue_limits(ns->ctrl, ns->queue); in nvme_update_ns_info_block()
2095 dev_info(ns->ctrl->device, in nvme_update_ns_info()
2104 dev_info(ns->ctrl->device, in nvme_update_ns_info()
2115 struct nvme_ctrl *ctrl = data; in nvme_sec_submit() local
2126 return __nvme_submit_sync_cmd(ctrl->admin_q, &cmd, NULL, buffer, len, in nvme_sec_submit()
2130 static void nvme_configure_opal(struct nvme_ctrl *ctrl, bool was_suspended) in nvme_configure_opal() argument
2132 if (ctrl->oacs & NVME_CTRL_OACS_SEC_SUPP) { in nvme_configure_opal()
2133 if (!ctrl->opal_dev) in nvme_configure_opal()
2134 ctrl->opal_dev = init_opal_dev(ctrl, &nvme_sec_submit); in nvme_configure_opal()
2136 opal_unlock_from_suspend(ctrl->opal_dev); in nvme_configure_opal()
2138 free_opal_dev(ctrl->opal_dev); in nvme_configure_opal()
2139 ctrl->opal_dev = NULL; in nvme_configure_opal()
2143 static void nvme_configure_opal(struct nvme_ctrl *ctrl, bool was_suspended) in nvme_configure_opal() argument
2170 static int nvme_wait_ready(struct nvme_ctrl *ctrl, u32 mask, u32 val, in nvme_wait_ready() argument
2177 while ((ret = ctrl->ops->reg_read32(ctrl, NVME_REG_CSTS, &csts)) == 0) { in nvme_wait_ready()
2187 dev_err(ctrl->device, in nvme_wait_ready()
2197 int nvme_disable_ctrl(struct nvme_ctrl *ctrl, bool shutdown) in nvme_disable_ctrl() argument
2201 ctrl->ctrl_config &= ~NVME_CC_SHN_MASK; in nvme_disable_ctrl()
2203 ctrl->ctrl_config |= NVME_CC_SHN_NORMAL; in nvme_disable_ctrl()
2205 ctrl->ctrl_config &= ~NVME_CC_ENABLE; in nvme_disable_ctrl()
2207 ret = ctrl->ops->reg_write32(ctrl, NVME_REG_CC, ctrl->ctrl_config); in nvme_disable_ctrl()
2212 return nvme_wait_ready(ctrl, NVME_CSTS_SHST_MASK, in nvme_disable_ctrl()
2214 ctrl->shutdown_timeout, "shutdown"); in nvme_disable_ctrl()
2216 if (ctrl->quirks & NVME_QUIRK_DELAY_BEFORE_CHK_RDY) in nvme_disable_ctrl()
2218 return nvme_wait_ready(ctrl, NVME_CSTS_RDY, 0, in nvme_disable_ctrl()
2219 (NVME_CAP_TIMEOUT(ctrl->cap) + 1) / 2, "reset"); in nvme_disable_ctrl()
2223 int nvme_enable_ctrl(struct nvme_ctrl *ctrl) in nvme_enable_ctrl() argument
2229 ret = ctrl->ops->reg_read64(ctrl, NVME_REG_CAP, &ctrl->cap); in nvme_enable_ctrl()
2231 dev_err(ctrl->device, "Reading CAP failed (%d)\n", ret); in nvme_enable_ctrl()
2234 dev_page_min = NVME_CAP_MPSMIN(ctrl->cap) + 12; in nvme_enable_ctrl()
2237 dev_err(ctrl->device, in nvme_enable_ctrl()
2243 if (NVME_CAP_CSS(ctrl->cap) & NVME_CAP_CSS_CSI) in nvme_enable_ctrl()
2244 ctrl->ctrl_config = NVME_CC_CSS_CSI; in nvme_enable_ctrl()
2246 ctrl->ctrl_config = NVME_CC_CSS_NVM; in nvme_enable_ctrl()
2248 if (ctrl->cap & NVME_CAP_CRMS_CRWMS && ctrl->cap & NVME_CAP_CRMS_CRIMS) in nvme_enable_ctrl()
2249 ctrl->ctrl_config |= NVME_CC_CRIME; in nvme_enable_ctrl()
2251 ctrl->ctrl_config |= (NVME_CTRL_PAGE_SHIFT - 12) << NVME_CC_MPS_SHIFT; in nvme_enable_ctrl()
2252 ctrl->ctrl_config |= NVME_CC_AMS_RR | NVME_CC_SHN_NONE; in nvme_enable_ctrl()
2253 ctrl->ctrl_config |= NVME_CC_IOSQES | NVME_CC_IOCQES; in nvme_enable_ctrl()
2254 ret = ctrl->ops->reg_write32(ctrl, NVME_REG_CC, ctrl->ctrl_config); in nvme_enable_ctrl()
2259 ret = ctrl->ops->reg_read32(ctrl, NVME_REG_CC, &ctrl->ctrl_config); in nvme_enable_ctrl()
2264 ret = ctrl->ops->reg_read64(ctrl, NVME_REG_CAP, &ctrl->cap); in nvme_enable_ctrl()
2268 timeout = NVME_CAP_TIMEOUT(ctrl->cap); in nvme_enable_ctrl()
2269 if (ctrl->cap & NVME_CAP_CRMS_CRWMS) { in nvme_enable_ctrl()
2272 ret = ctrl->ops->reg_read32(ctrl, NVME_REG_CRTO, &crto); in nvme_enable_ctrl()
2274 dev_err(ctrl->device, "Reading CRTO failed (%d)\n", in nvme_enable_ctrl()
2284 if (ctrl->ctrl_config & NVME_CC_CRIME) in nvme_enable_ctrl()
2290 dev_warn_once(ctrl->device, "bad crto:%x cap:%llx\n", in nvme_enable_ctrl()
2291 crto, ctrl->cap); in nvme_enable_ctrl()
2296 ctrl->ctrl_config |= NVME_CC_ENABLE; in nvme_enable_ctrl()
2297 ret = ctrl->ops->reg_write32(ctrl, NVME_REG_CC, ctrl->ctrl_config); in nvme_enable_ctrl()
2300 return nvme_wait_ready(ctrl, NVME_CSTS_RDY, NVME_CSTS_RDY, in nvme_enable_ctrl()
2305 static int nvme_configure_timestamp(struct nvme_ctrl *ctrl) in nvme_configure_timestamp() argument
2310 if (!(ctrl->oncs & NVME_CTRL_ONCS_TIMESTAMP)) in nvme_configure_timestamp()
2314 ret = nvme_set_features(ctrl, NVME_FEAT_TIMESTAMP, 0, &ts, sizeof(ts), in nvme_configure_timestamp()
2317 dev_warn_once(ctrl->device, in nvme_configure_timestamp()
2322 static int nvme_configure_host_options(struct nvme_ctrl *ctrl) in nvme_configure_host_options() argument
2329 if (ctrl->crdt[0]) in nvme_configure_host_options()
2331 if (ctrl->ctratt & NVME_CTRL_ATTR_ELBAS) in nvme_configure_host_options()
2343 ret = nvme_set_features(ctrl, NVME_FEAT_HOST_BEHAVIOR, 0, in nvme_configure_host_options()
2403 static int nvme_configure_apst(struct nvme_ctrl *ctrl) in nvme_configure_apst() argument
2418 if (!ctrl->apsta) in nvme_configure_apst()
2421 if (ctrl->npss > 31) { in nvme_configure_apst()
2422 dev_warn(ctrl->device, "NPSS is invalid; not using APST\n"); in nvme_configure_apst()
2430 if (!ctrl->apst_enabled || ctrl->ps_max_latency_us == 0) { in nvme_configure_apst()
2432 dev_dbg(ctrl->device, "APST disabled\n"); in nvme_configure_apst()
2442 for (state = (int)ctrl->npss; state >= 0; state--) { in nvme_configure_apst()
2452 if (state == ctrl->npss && in nvme_configure_apst()
2453 (ctrl->quirks & NVME_QUIRK_NO_DEEPEST_PS)) in nvme_configure_apst()
2460 if (!(ctrl->psd[state].flags & NVME_PS_FLAGS_NON_OP_STATE)) in nvme_configure_apst()
2463 exit_latency_us = (u64)le32_to_cpu(ctrl->psd[state].exit_lat); in nvme_configure_apst()
2464 if (exit_latency_us > ctrl->ps_max_latency_us) in nvme_configure_apst()
2468 le32_to_cpu(ctrl->psd[state].entry_lat); in nvme_configure_apst()
2493 dev_dbg(ctrl->device, "APST enabled but no non-operational states are available\n"); in nvme_configure_apst()
2495 …dev_dbg(ctrl->device, "APST enabled: max PS = %d, max round-trip latency = %lluus, table = %*phN\n… in nvme_configure_apst()
2500 ret = nvme_set_features(ctrl, NVME_FEAT_AUTO_PST, apste, in nvme_configure_apst()
2503 dev_err(ctrl->device, "failed to set APST feature (%d)\n", ret); in nvme_configure_apst()
2510 struct nvme_ctrl *ctrl = dev_get_drvdata(dev); in nvme_set_latency_tolerance() local
2523 if (ctrl->ps_max_latency_us != latency) { in nvme_set_latency_tolerance()
2524 ctrl->ps_max_latency_us = latency; in nvme_set_latency_tolerance()
2525 if (ctrl->state == NVME_CTRL_LIVE) in nvme_set_latency_tolerance()
2526 nvme_configure_apst(ctrl); in nvme_set_latency_tolerance()
2621 static void nvme_init_subnqn(struct nvme_subsystem *subsys, struct nvme_ctrl *ctrl, in nvme_init_subnqn() argument
2627 if(!(ctrl->quirks & NVME_QUIRK_IGNORE_DEV_SUBNQN)) { in nvme_init_subnqn()
2634 if (ctrl->vs >= NVME_VS(1, 2, 1)) in nvme_init_subnqn()
2635 dev_warn(ctrl->device, "missing or invalid SUBNQN field.\n"); in nvme_init_subnqn()
2710 static inline bool nvme_discovery_ctrl(struct nvme_ctrl *ctrl) in nvme_discovery_ctrl() argument
2712 return ctrl->opts && ctrl->opts->discovery_nqn; in nvme_discovery_ctrl()
2716 struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) in nvme_validate_cntlid() argument
2726 if (tmp->cntlid == ctrl->cntlid) { in nvme_validate_cntlid()
2727 dev_err(ctrl->device, in nvme_validate_cntlid()
2729 ctrl->cntlid, dev_name(tmp->device), in nvme_validate_cntlid()
2735 nvme_discovery_ctrl(ctrl)) in nvme_validate_cntlid()
2738 dev_err(ctrl->device, in nvme_validate_cntlid()
2746 static int nvme_init_subsystem(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) in nvme_init_subsystem() argument
2760 nvme_init_subnqn(subsys, ctrl, id); in nvme_init_subsystem()
2773 if (nvme_discovery_ctrl(ctrl) && subsys->subtype != NVME_NQN_DISC) { in nvme_init_subsystem()
2774 dev_err(ctrl->device, in nvme_init_subsystem()
2786 dev_set_name(&subsys->dev, "nvme-subsys%d", ctrl->instance); in nvme_init_subsystem()
2795 if (!nvme_validate_cntlid(subsys, ctrl, id)) { in nvme_init_subsystem()
2802 dev_err(ctrl->device, in nvme_init_subsystem()
2811 ret = sysfs_create_link(&subsys->dev.kobj, &ctrl->device->kobj, in nvme_init_subsystem()
2812 dev_name(ctrl->device)); in nvme_init_subsystem()
2814 dev_err(ctrl->device, in nvme_init_subsystem()
2820 subsys->instance = ctrl->instance; in nvme_init_subsystem()
2821 ctrl->subsys = subsys; in nvme_init_subsystem()
2822 list_add_tail(&ctrl->subsys_entry, &subsys->ctrls); in nvme_init_subsystem()
2833 int nvme_get_log(struct nvme_ctrl *ctrl, u32 nsid, u8 log_page, u8 lsp, u8 csi, in nvme_get_log() argument
2849 return nvme_submit_sync_cmd(ctrl->admin_q, &c, log, size); in nvme_get_log()
2852 static int nvme_get_effects_log(struct nvme_ctrl *ctrl, u8 csi, in nvme_get_effects_log() argument
2855 struct nvme_effects_log *cel = xa_load(&ctrl->cels, csi); in nvme_get_effects_log()
2865 ret = nvme_get_log(ctrl, 0x00, NVME_LOG_CMD_EFFECTS, 0, csi, in nvme_get_effects_log()
2872 xa_store(&ctrl->cels, csi, cel, GFP_KERNEL); in nvme_get_effects_log()
2878 static inline u32 nvme_mps_to_sectors(struct nvme_ctrl *ctrl, u32 units) in nvme_mps_to_sectors() argument
2880 u32 page_shift = NVME_CAP_MPSMIN(ctrl->cap) + 12, val; in nvme_mps_to_sectors()
2887 static int nvme_init_non_mdts_limits(struct nvme_ctrl *ctrl) in nvme_init_non_mdts_limits() argument
2893 if (ctrl->oncs & NVME_CTRL_ONCS_DSM) { in nvme_init_non_mdts_limits()
2894 ctrl->max_discard_sectors = UINT_MAX; in nvme_init_non_mdts_limits()
2895 ctrl->max_discard_segments = NVME_DSM_MAX_RANGES; in nvme_init_non_mdts_limits()
2897 ctrl->max_discard_sectors = 0; in nvme_init_non_mdts_limits()
2898 ctrl->max_discard_segments = 0; in nvme_init_non_mdts_limits()
2907 if ((ctrl->oncs & NVME_CTRL_ONCS_WRITE_ZEROES) && in nvme_init_non_mdts_limits()
2908 !(ctrl->quirks & NVME_QUIRK_DISABLE_WRITE_ZEROES)) in nvme_init_non_mdts_limits()
2909 ctrl->max_zeroes_sectors = ctrl->max_hw_sectors; in nvme_init_non_mdts_limits()
2911 ctrl->max_zeroes_sectors = 0; in nvme_init_non_mdts_limits()
2913 if (ctrl->subsys->subtype != NVME_NQN_NVME || in nvme_init_non_mdts_limits()
2914 nvme_ctrl_limited_cns(ctrl) || in nvme_init_non_mdts_limits()
2915 test_bit(NVME_CTRL_SKIP_ID_CNS_CS, &ctrl->flags)) in nvme_init_non_mdts_limits()
2926 ret = nvme_submit_sync_cmd(ctrl->admin_q, &c, id, sizeof(*id)); in nvme_init_non_mdts_limits()
2931 ctrl->max_discard_segments = id->dmrl; in nvme_init_non_mdts_limits()
2932 ctrl->dmrsl = le32_to_cpu(id->dmrsl); in nvme_init_non_mdts_limits()
2934 ctrl->max_zeroes_sectors = nvme_mps_to_sectors(ctrl, id->wzsl); in nvme_init_non_mdts_limits()
2938 set_bit(NVME_CTRL_SKIP_ID_CNS_CS, &ctrl->flags); in nvme_init_non_mdts_limits()
2943 static void nvme_init_known_nvm_effects(struct nvme_ctrl *ctrl) in nvme_init_known_nvm_effects() argument
2945 struct nvme_effects_log *log = ctrl->effects; in nvme_init_known_nvm_effects()
2975 static int nvme_init_effects(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) in nvme_init_effects() argument
2979 if (ctrl->effects) in nvme_init_effects()
2983 ret = nvme_get_effects_log(ctrl, NVME_CSI_NVM, &ctrl->effects); in nvme_init_effects()
2988 if (!ctrl->effects) { in nvme_init_effects()
2989 ctrl->effects = kzalloc(sizeof(*ctrl->effects), GFP_KERNEL); in nvme_init_effects()
2990 if (!ctrl->effects) in nvme_init_effects()
2992 xa_store(&ctrl->cels, NVME_CSI_NVM, ctrl->effects, GFP_KERNEL); in nvme_init_effects()
2995 nvme_init_known_nvm_effects(ctrl); in nvme_init_effects()
2999 static int nvme_init_identify(struct nvme_ctrl *ctrl) in nvme_init_identify() argument
3006 ret = nvme_identify_ctrl(ctrl, &id); in nvme_init_identify()
3008 dev_err(ctrl->device, "Identify Controller failed (%d)\n", ret); in nvme_init_identify()
3012 if (!(ctrl->ops->flags & NVME_F_FABRICS)) in nvme_init_identify()
3013 ctrl->cntlid = le16_to_cpu(id->cntlid); in nvme_init_identify()
3015 if (!ctrl->identified) { in nvme_init_identify()
3028 ctrl->quirks |= core_quirks[i].quirks; in nvme_init_identify()
3031 ret = nvme_init_subsystem(ctrl, id); in nvme_init_identify()
3035 ret = nvme_init_effects(ctrl, id); in nvme_init_identify()
3039 memcpy(ctrl->subsys->firmware_rev, id->fr, in nvme_init_identify()
3040 sizeof(ctrl->subsys->firmware_rev)); in nvme_init_identify()
3042 if (force_apst && (ctrl->quirks & NVME_QUIRK_NO_DEEPEST_PS)) { in nvme_init_identify()
3043 …dev_warn(ctrl->device, "forcibly allowing all power states due to nvme_core.force_apst -- use at y… in nvme_init_identify()
3044 ctrl->quirks &= ~NVME_QUIRK_NO_DEEPEST_PS; in nvme_init_identify()
3047 ctrl->crdt[0] = le16_to_cpu(id->crdt1); in nvme_init_identify()
3048 ctrl->crdt[1] = le16_to_cpu(id->crdt2); in nvme_init_identify()
3049 ctrl->crdt[2] = le16_to_cpu(id->crdt3); in nvme_init_identify()
3051 ctrl->oacs = le16_to_cpu(id->oacs); in nvme_init_identify()
3052 ctrl->oncs = le16_to_cpu(id->oncs); in nvme_init_identify()
3053 ctrl->mtfa = le16_to_cpu(id->mtfa); in nvme_init_identify()
3054 ctrl->oaes = le32_to_cpu(id->oaes); in nvme_init_identify()
3055 ctrl->wctemp = le16_to_cpu(id->wctemp); in nvme_init_identify()
3056 ctrl->cctemp = le16_to_cpu(id->cctemp); in nvme_init_identify()
3058 atomic_set(&ctrl->abort_limit, id->acl + 1); in nvme_init_identify()
3059 ctrl->vwc = id->vwc; in nvme_init_identify()
3061 max_hw_sectors = nvme_mps_to_sectors(ctrl, id->mdts); in nvme_init_identify()
3064 ctrl->max_hw_sectors = in nvme_init_identify()
3065 min_not_zero(ctrl->max_hw_sectors, max_hw_sectors); in nvme_init_identify()
3067 nvme_set_queue_limits(ctrl, ctrl->admin_q); in nvme_init_identify()
3068 ctrl->sgls = le32_to_cpu(id->sgls); in nvme_init_identify()
3069 ctrl->kas = le16_to_cpu(id->kas); in nvme_init_identify()
3070 ctrl->max_namespaces = le32_to_cpu(id->mnan); in nvme_init_identify()
3071 ctrl->ctratt = le32_to_cpu(id->ctratt); in nvme_init_identify()
3073 ctrl->cntrltype = id->cntrltype; in nvme_init_identify()
3074 ctrl->dctype = id->dctype; in nvme_init_identify()
3080 ctrl->shutdown_timeout = clamp_t(unsigned int, transition_time, in nvme_init_identify()
3083 if (ctrl->shutdown_timeout != shutdown_timeout) in nvme_init_identify()
3084 dev_info(ctrl->device, in nvme_init_identify()
3086 ctrl->shutdown_timeout); in nvme_init_identify()
3088 ctrl->shutdown_timeout = shutdown_timeout; in nvme_init_identify()
3090 ctrl->npss = id->npss; in nvme_init_identify()
3091 ctrl->apsta = id->apsta; in nvme_init_identify()
3092 prev_apst_enabled = ctrl->apst_enabled; in nvme_init_identify()
3093 if (ctrl->quirks & NVME_QUIRK_NO_APST) { in nvme_init_identify()
3095 …dev_warn(ctrl->device, "forcibly allowing APST due to nvme_core.force_apst -- use at your own risk… in nvme_init_identify()
3096 ctrl->apst_enabled = true; in nvme_init_identify()
3098 ctrl->apst_enabled = false; in nvme_init_identify()
3101 ctrl->apst_enabled = id->apsta; in nvme_init_identify()
3103 memcpy(ctrl->psd, id->psd, sizeof(ctrl->psd)); in nvme_init_identify()
3105 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_init_identify()
3106 ctrl->icdoff = le16_to_cpu(id->icdoff); in nvme_init_identify()
3107 ctrl->ioccsz = le32_to_cpu(id->ioccsz); in nvme_init_identify()
3108 ctrl->iorcsz = le32_to_cpu(id->iorcsz); in nvme_init_identify()
3109 ctrl->maxcmd = le16_to_cpu(id->maxcmd); in nvme_init_identify()
3115 if (ctrl->cntlid != le16_to_cpu(id->cntlid)) { in nvme_init_identify()
3116 dev_err(ctrl->device, in nvme_init_identify()
3119 ctrl->cntlid, le16_to_cpu(id->cntlid)); in nvme_init_identify()
3124 if (!nvme_discovery_ctrl(ctrl) && !ctrl->kas) { in nvme_init_identify()
3125 dev_err(ctrl->device, in nvme_init_identify()
3131 ctrl->hmpre = le32_to_cpu(id->hmpre); in nvme_init_identify()
3132 ctrl->hmmin = le32_to_cpu(id->hmmin); in nvme_init_identify()
3133 ctrl->hmminds = le32_to_cpu(id->hmminds); in nvme_init_identify()
3134 ctrl->hmmaxd = le16_to_cpu(id->hmmaxd); in nvme_init_identify()
3137 ret = nvme_mpath_init_identify(ctrl, id); in nvme_init_identify()
3141 if (ctrl->apst_enabled && !prev_apst_enabled) in nvme_init_identify()
3142 dev_pm_qos_expose_latency_tolerance(ctrl->device); in nvme_init_identify()
3143 else if (!ctrl->apst_enabled && prev_apst_enabled) in nvme_init_identify()
3144 dev_pm_qos_hide_latency_tolerance(ctrl->device); in nvme_init_identify()
3156 int nvme_init_ctrl_finish(struct nvme_ctrl *ctrl, bool was_suspended) in nvme_init_ctrl_finish() argument
3160 ret = ctrl->ops->reg_read32(ctrl, NVME_REG_VS, &ctrl->vs); in nvme_init_ctrl_finish()
3162 dev_err(ctrl->device, "Reading VS failed (%d)\n", ret); in nvme_init_ctrl_finish()
3166 ctrl->sqsize = min_t(u16, NVME_CAP_MQES(ctrl->cap), ctrl->sqsize); in nvme_init_ctrl_finish()
3168 if (ctrl->vs >= NVME_VS(1, 1, 0)) in nvme_init_ctrl_finish()
3169 ctrl->subsystem = NVME_CAP_NSSRC(ctrl->cap); in nvme_init_ctrl_finish()
3171 ret = nvme_init_identify(ctrl); in nvme_init_ctrl_finish()
3175 ret = nvme_configure_apst(ctrl); in nvme_init_ctrl_finish()
3179 ret = nvme_configure_timestamp(ctrl); in nvme_init_ctrl_finish()
3183 ret = nvme_configure_host_options(ctrl); in nvme_init_ctrl_finish()
3187 nvme_configure_opal(ctrl, was_suspended); in nvme_init_ctrl_finish()
3189 if (!ctrl->identified && !nvme_discovery_ctrl(ctrl)) { in nvme_init_ctrl_finish()
3194 ret = nvme_hwmon_init(ctrl); in nvme_init_ctrl_finish()
3199 clear_bit(NVME_CTRL_DIRTY_CAPABILITY, &ctrl->flags); in nvme_init_ctrl_finish()
3200 ctrl->identified = true; in nvme_init_ctrl_finish()
3208 struct nvme_ctrl *ctrl = in nvme_dev_open() local
3211 switch (ctrl->state) { in nvme_dev_open()
3218 nvme_get_ctrl(ctrl); in nvme_dev_open()
3219 if (!try_module_get(ctrl->ops->module)) { in nvme_dev_open()
3220 nvme_put_ctrl(ctrl); in nvme_dev_open()
3224 file->private_data = ctrl; in nvme_dev_open()
3230 struct nvme_ctrl *ctrl = in nvme_dev_release() local
3233 module_put(ctrl->ops->module); in nvme_dev_release()
3234 nvme_put_ctrl(ctrl); in nvme_dev_release()
3247 static struct nvme_ns_head *nvme_find_ns_head(struct nvme_ctrl *ctrl, in nvme_find_ns_head() argument
3252 lockdep_assert_held(&ctrl->subsys->lock); in nvme_find_ns_head()
3254 list_for_each_entry(h, &ctrl->subsys->nsheads, entry) { in nvme_find_ns_head()
3260 if (h->ns_id != nsid || !nvme_is_unique_nsid(ctrl, h)) in nvme_find_ns_head()
3350 ns->cdev_device.parent = ns->ctrl->device; in nvme_add_ns_cdev()
3352 ns->ctrl->instance, ns->head->instance); in nvme_add_ns_cdev()
3357 ns->ctrl->ops->module); in nvme_add_ns_cdev()
3360 static struct nvme_ns_head *nvme_alloc_ns_head(struct nvme_ctrl *ctrl, in nvme_alloc_ns_head() argument
3374 ret = ida_alloc_min(&ctrl->subsys->ns_ida, 1, GFP_KERNEL); in nvme_alloc_ns_head()
3382 head->subsys = ctrl->subsys; in nvme_alloc_ns_head()
3389 ret = nvme_get_effects_log(ctrl, head->ids.csi, &head->effects); in nvme_alloc_ns_head()
3393 head->effects = ctrl->effects; in nvme_alloc_ns_head()
3395 ret = nvme_mpath_alloc_disk(ctrl, head); in nvme_alloc_ns_head()
3399 list_add_tail(&head->entry, &ctrl->subsys->nsheads); in nvme_alloc_ns_head()
3401 kref_get(&ctrl->subsys->ref); in nvme_alloc_ns_head()
3407 ida_free(&ctrl->subsys->ns_ida, head->instance); in nvme_alloc_ns_head()
3444 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_init_ns_head() local
3448 ret = nvme_global_check_duplicate_ids(ctrl->subsys, &info->ids); in nvme_init_ns_head()
3466 nvme_print_device_info(ctrl); in nvme_init_ns_head()
3467 if ((ns->ctrl->ops->flags & NVME_F_FABRICS) || /* !PCIe */ in nvme_init_ns_head()
3468 ((ns->ctrl->subsys->cmic & NVME_CTRL_CMIC_MULTI_CTRL) && in nvme_init_ns_head()
3470 dev_err(ctrl->device, in nvme_init_ns_head()
3476 dev_err(ctrl->device, in nvme_init_ns_head()
3478 dev_err(ctrl->device, in nvme_init_ns_head()
3483 ctrl->quirks |= NVME_QUIRK_BOGUS_NID; in nvme_init_ns_head()
3486 mutex_lock(&ctrl->subsys->lock); in nvme_init_ns_head()
3487 head = nvme_find_ns_head(ctrl, info->nsid); in nvme_init_ns_head()
3489 ret = nvme_subsys_check_duplicate_ids(ctrl->subsys, &info->ids); in nvme_init_ns_head()
3491 dev_err(ctrl->device, in nvme_init_ns_head()
3496 head = nvme_alloc_ns_head(ctrl, info); in nvme_init_ns_head()
3504 dev_err(ctrl->device, in nvme_init_ns_head()
3510 dev_err(ctrl->device, in nvme_init_ns_head()
3517 dev_warn(ctrl->device, in nvme_init_ns_head()
3520 dev_warn_once(ctrl->device, in nvme_init_ns_head()
3527 mutex_unlock(&ctrl->subsys->lock); in nvme_init_ns_head()
3533 mutex_unlock(&ctrl->subsys->lock); in nvme_init_ns_head()
3537 struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid) in nvme_find_get_ns() argument
3541 down_read(&ctrl->namespaces_rwsem); in nvme_find_get_ns()
3542 list_for_each_entry(ns, &ctrl->namespaces, list) { in nvme_find_get_ns()
3552 up_read(&ctrl->namespaces_rwsem); in nvme_find_get_ns()
3564 list_for_each_entry_reverse(tmp, &ns->ctrl->namespaces, list) { in nvme_ns_add_to_ctrl_list()
3570 list_add(&ns->list, &ns->ctrl->namespaces); in nvme_ns_add_to_ctrl_list()
3573 static void nvme_alloc_ns(struct nvme_ctrl *ctrl, struct nvme_ns_info *info) in nvme_alloc_ns() argument
3577 int node = ctrl->numa_node; in nvme_alloc_ns()
3583 disk = blk_mq_alloc_disk(ctrl->tagset, ns); in nvme_alloc_ns()
3592 if (ctrl->opts && ctrl->opts->data_digest) in nvme_alloc_ns()
3596 if (ctrl->ops->supports_pci_p2pdma && in nvme_alloc_ns()
3597 ctrl->ops->supports_pci_p2pdma(ctrl)) in nvme_alloc_ns()
3600 ns->ctrl = ctrl; in nvme_alloc_ns()
3618 sprintf(disk->disk_name, "nvme%dc%dn%d", ctrl->subsys->instance, in nvme_alloc_ns()
3619 ctrl->instance, ns->head->instance); in nvme_alloc_ns()
3622 sprintf(disk->disk_name, "nvme%dn%d", ctrl->subsys->instance, in nvme_alloc_ns()
3625 sprintf(disk->disk_name, "nvme%dn%d", ctrl->instance, in nvme_alloc_ns()
3632 down_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
3634 up_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
3635 nvme_get_ctrl(ctrl); in nvme_alloc_ns()
3637 if (device_add_disk(ctrl->device, ns->disk, nvme_ns_id_attr_groups)) in nvme_alloc_ns()
3649 nvme_put_ctrl(ctrl); in nvme_alloc_ns()
3650 down_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
3652 up_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
3654 mutex_lock(&ctrl->subsys->lock); in nvme_alloc_ns()
3658 mutex_unlock(&ctrl->subsys->lock); in nvme_alloc_ns()
3687 mutex_lock(&ns->ctrl->subsys->lock); in nvme_ns_remove()
3693 mutex_unlock(&ns->ctrl->subsys->lock); in nvme_ns_remove()
3702 down_write(&ns->ctrl->namespaces_rwsem); in nvme_ns_remove()
3704 up_write(&ns->ctrl->namespaces_rwsem); in nvme_ns_remove()
3711 static void nvme_ns_remove_by_nsid(struct nvme_ctrl *ctrl, u32 nsid) in nvme_ns_remove_by_nsid() argument
3713 struct nvme_ns *ns = nvme_find_get_ns(ctrl, nsid); in nvme_ns_remove_by_nsid()
3726 dev_err(ns->ctrl->device, in nvme_validate_ns()
3743 static void nvme_scan_ns(struct nvme_ctrl *ctrl, unsigned nsid) in nvme_scan_ns() argument
3749 if (nvme_identify_ns_descs(ctrl, &info)) in nvme_scan_ns()
3752 if (info.ids.csi != NVME_CSI_NVM && !nvme_multi_css(ctrl)) { in nvme_scan_ns()
3753 dev_warn(ctrl->device, in nvme_scan_ns()
3763 if ((ctrl->cap & NVME_CAP_CRMS_CRIMS) || in nvme_scan_ns()
3765 ret = nvme_ns_info_from_id_cs_indep(ctrl, &info); in nvme_scan_ns()
3767 ret = nvme_ns_info_from_identify(ctrl, &info); in nvme_scan_ns()
3770 nvme_ns_remove_by_nsid(ctrl, nsid); in nvme_scan_ns()
3779 ns = nvme_find_get_ns(ctrl, nsid); in nvme_scan_ns()
3784 nvme_alloc_ns(ctrl, &info); in nvme_scan_ns()
3788 static void nvme_remove_invalid_namespaces(struct nvme_ctrl *ctrl, in nvme_remove_invalid_namespaces() argument
3794 down_write(&ctrl->namespaces_rwsem); in nvme_remove_invalid_namespaces()
3795 list_for_each_entry_safe(ns, next, &ctrl->namespaces, list) { in nvme_remove_invalid_namespaces()
3799 up_write(&ctrl->namespaces_rwsem); in nvme_remove_invalid_namespaces()
3806 static int nvme_scan_ns_list(struct nvme_ctrl *ctrl) in nvme_scan_ns_list() argument
3824 ret = nvme_submit_sync_cmd(ctrl->admin_q, &cmd, ns_list, in nvme_scan_ns_list()
3827 dev_warn(ctrl->device, in nvme_scan_ns_list()
3837 nvme_scan_ns(ctrl, nsid); in nvme_scan_ns_list()
3839 nvme_ns_remove_by_nsid(ctrl, prev); in nvme_scan_ns_list()
3843 nvme_remove_invalid_namespaces(ctrl, prev); in nvme_scan_ns_list()
3849 static void nvme_scan_ns_sequential(struct nvme_ctrl *ctrl) in nvme_scan_ns_sequential() argument
3854 if (nvme_identify_ctrl(ctrl, &id)) in nvme_scan_ns_sequential()
3860 nvme_scan_ns(ctrl, i); in nvme_scan_ns_sequential()
3862 nvme_remove_invalid_namespaces(ctrl, nn); in nvme_scan_ns_sequential()
3865 static void nvme_clear_changed_ns_log(struct nvme_ctrl *ctrl) in nvme_clear_changed_ns_log() argument
3881 error = nvme_get_log(ctrl, NVME_NSID_ALL, NVME_LOG_CHANGED_NS, 0, in nvme_clear_changed_ns_log()
3884 dev_warn(ctrl->device, in nvme_clear_changed_ns_log()
3892 struct nvme_ctrl *ctrl = in nvme_scan_work() local
3897 if (ctrl->state != NVME_CTRL_LIVE || !ctrl->tagset) in nvme_scan_work()
3907 ret = nvme_init_non_mdts_limits(ctrl); in nvme_scan_work()
3909 dev_warn(ctrl->device, in nvme_scan_work()
3914 if (test_and_clear_bit(NVME_AER_NOTICE_NS_CHANGED, &ctrl->events)) { in nvme_scan_work()
3915 dev_info(ctrl->device, "rescanning namespaces.\n"); in nvme_scan_work()
3916 nvme_clear_changed_ns_log(ctrl); in nvme_scan_work()
3919 mutex_lock(&ctrl->scan_lock); in nvme_scan_work()
3920 if (nvme_ctrl_limited_cns(ctrl)) { in nvme_scan_work()
3921 nvme_scan_ns_sequential(ctrl); in nvme_scan_work()
3928 ret = nvme_scan_ns_list(ctrl); in nvme_scan_work()
3930 nvme_scan_ns_sequential(ctrl); in nvme_scan_work()
3932 mutex_unlock(&ctrl->scan_lock); in nvme_scan_work()
3940 void nvme_remove_namespaces(struct nvme_ctrl *ctrl) in nvme_remove_namespaces() argument
3950 nvme_mpath_clear_ctrl_paths(ctrl); in nvme_remove_namespaces()
3956 nvme_unquiesce_io_queues(ctrl); in nvme_remove_namespaces()
3959 flush_work(&ctrl->scan_work); in nvme_remove_namespaces()
3967 if (ctrl->state == NVME_CTRL_DEAD) in nvme_remove_namespaces()
3968 nvme_mark_namespaces_dead(ctrl); in nvme_remove_namespaces()
3971 nvme_change_ctrl_state(ctrl, NVME_CTRL_DELETING_NOIO); in nvme_remove_namespaces()
3973 down_write(&ctrl->namespaces_rwsem); in nvme_remove_namespaces()
3974 list_splice_init(&ctrl->namespaces, &ns_list); in nvme_remove_namespaces()
3975 up_write(&ctrl->namespaces_rwsem); in nvme_remove_namespaces()
3984 const struct nvme_ctrl *ctrl = in nvme_class_uevent() local
3986 struct nvmf_ctrl_options *opts = ctrl->opts; in nvme_class_uevent()
3989 ret = add_uevent_var(env, "NVME_TRTYPE=%s", ctrl->ops->name); in nvme_class_uevent()
4014 static void nvme_change_uevent(struct nvme_ctrl *ctrl, char *envdata) in nvme_change_uevent() argument
4018 kobject_uevent_env(&ctrl->device->kobj, KOBJ_CHANGE, envp); in nvme_change_uevent()
4021 static void nvme_aen_uevent(struct nvme_ctrl *ctrl) in nvme_aen_uevent() argument
4024 u32 aen_result = ctrl->aen_result; in nvme_aen_uevent()
4026 ctrl->aen_result = 0; in nvme_aen_uevent()
4033 kobject_uevent_env(&ctrl->device->kobj, KOBJ_CHANGE, envp); in nvme_aen_uevent()
4039 struct nvme_ctrl *ctrl = in nvme_async_event_work() local
4042 nvme_aen_uevent(ctrl); in nvme_async_event_work()
4049 if (ctrl->state == NVME_CTRL_LIVE) in nvme_async_event_work()
4050 ctrl->ops->submit_async_event(ctrl); in nvme_async_event_work()
4053 static bool nvme_ctrl_pp_status(struct nvme_ctrl *ctrl) in nvme_ctrl_pp_status() argument
4058 if (ctrl->ops->reg_read32(ctrl, NVME_REG_CSTS, &csts)) in nvme_ctrl_pp_status()
4064 return ((ctrl->ctrl_config & NVME_CC_ENABLE) && (csts & NVME_CSTS_PP)); in nvme_ctrl_pp_status()
4067 static void nvme_get_fw_slot_info(struct nvme_ctrl *ctrl) in nvme_get_fw_slot_info() argument
4075 if (nvme_get_log(ctrl, NVME_NSID_ALL, NVME_LOG_FW_SLOT, 0, NVME_CSI_NVM, in nvme_get_fw_slot_info()
4077 dev_warn(ctrl->device, "Get FW SLOT INFO log error\n"); in nvme_get_fw_slot_info()
4083 struct nvme_ctrl *ctrl = container_of(work, in nvme_fw_act_work() local
4087 if (ctrl->mtfa) in nvme_fw_act_work()
4089 msecs_to_jiffies(ctrl->mtfa * 100); in nvme_fw_act_work()
4094 nvme_quiesce_io_queues(ctrl); in nvme_fw_act_work()
4095 while (nvme_ctrl_pp_status(ctrl)) { in nvme_fw_act_work()
4097 dev_warn(ctrl->device, in nvme_fw_act_work()
4099 nvme_try_sched_reset(ctrl); in nvme_fw_act_work()
4105 if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_LIVE)) in nvme_fw_act_work()
4108 nvme_unquiesce_io_queues(ctrl); in nvme_fw_act_work()
4110 nvme_get_fw_slot_info(ctrl); in nvme_fw_act_work()
4112 queue_work(nvme_wq, &ctrl->async_event_work); in nvme_fw_act_work()
4125 static bool nvme_handle_aen_notice(struct nvme_ctrl *ctrl, u32 result) in nvme_handle_aen_notice() argument
4132 set_bit(NVME_AER_NOTICE_NS_CHANGED, &ctrl->events); in nvme_handle_aen_notice()
4133 nvme_queue_scan(ctrl); in nvme_handle_aen_notice()
4141 if (nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING)) { in nvme_handle_aen_notice()
4142 nvme_auth_stop(ctrl); in nvme_handle_aen_notice()
4144 queue_work(nvme_wq, &ctrl->fw_act_work); in nvme_handle_aen_notice()
4149 if (!ctrl->ana_log_buf) in nvme_handle_aen_notice()
4151 queue_work(nvme_wq, &ctrl->ana_work); in nvme_handle_aen_notice()
4155 ctrl->aen_result = result; in nvme_handle_aen_notice()
4158 dev_warn(ctrl->device, "async event result %08x\n", result); in nvme_handle_aen_notice()
4163 static void nvme_handle_aer_persistent_error(struct nvme_ctrl *ctrl) in nvme_handle_aer_persistent_error() argument
4165 dev_warn(ctrl->device, "resetting controller due to AER\n"); in nvme_handle_aer_persistent_error()
4166 nvme_reset_ctrl(ctrl); in nvme_handle_aer_persistent_error()
4169 void nvme_complete_async_event(struct nvme_ctrl *ctrl, __le16 status, in nvme_complete_async_event() argument
4180 trace_nvme_async_event(ctrl, result); in nvme_complete_async_event()
4183 requeue = nvme_handle_aen_notice(ctrl, result); in nvme_complete_async_event()
4191 nvme_handle_aer_persistent_error(ctrl); in nvme_complete_async_event()
4198 ctrl->aen_result = result; in nvme_complete_async_event()
4205 queue_work(nvme_wq, &ctrl->async_event_work); in nvme_complete_async_event()
4209 int nvme_alloc_admin_tag_set(struct nvme_ctrl *ctrl, struct blk_mq_tag_set *set, in nvme_alloc_admin_tag_set() argument
4217 if (ctrl->ops->flags & NVME_F_FABRICS) in nvme_alloc_admin_tag_set()
4219 set->numa_node = ctrl->numa_node; in nvme_alloc_admin_tag_set()
4221 if (ctrl->ops->flags & NVME_F_BLOCKING) in nvme_alloc_admin_tag_set()
4224 set->driver_data = ctrl; in nvme_alloc_admin_tag_set()
4231 ctrl->admin_q = blk_mq_init_queue(set); in nvme_alloc_admin_tag_set()
4232 if (IS_ERR(ctrl->admin_q)) { in nvme_alloc_admin_tag_set()
4233 ret = PTR_ERR(ctrl->admin_q); in nvme_alloc_admin_tag_set()
4237 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_alloc_admin_tag_set()
4238 ctrl->fabrics_q = blk_mq_init_queue(set); in nvme_alloc_admin_tag_set()
4239 if (IS_ERR(ctrl->fabrics_q)) { in nvme_alloc_admin_tag_set()
4240 ret = PTR_ERR(ctrl->fabrics_q); in nvme_alloc_admin_tag_set()
4245 ctrl->admin_tagset = set; in nvme_alloc_admin_tag_set()
4249 blk_mq_destroy_queue(ctrl->admin_q); in nvme_alloc_admin_tag_set()
4250 blk_put_queue(ctrl->admin_q); in nvme_alloc_admin_tag_set()
4253 ctrl->admin_q = NULL; in nvme_alloc_admin_tag_set()
4254 ctrl->fabrics_q = NULL; in nvme_alloc_admin_tag_set()
4259 void nvme_remove_admin_tag_set(struct nvme_ctrl *ctrl) in nvme_remove_admin_tag_set() argument
4261 blk_mq_destroy_queue(ctrl->admin_q); in nvme_remove_admin_tag_set()
4262 blk_put_queue(ctrl->admin_q); in nvme_remove_admin_tag_set()
4263 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_remove_admin_tag_set()
4264 blk_mq_destroy_queue(ctrl->fabrics_q); in nvme_remove_admin_tag_set()
4265 blk_put_queue(ctrl->fabrics_q); in nvme_remove_admin_tag_set()
4267 blk_mq_free_tag_set(ctrl->admin_tagset); in nvme_remove_admin_tag_set()
4271 int nvme_alloc_io_tag_set(struct nvme_ctrl *ctrl, struct blk_mq_tag_set *set, in nvme_alloc_io_tag_set() argument
4279 set->queue_depth = min_t(unsigned, ctrl->sqsize, BLK_MQ_MAX_DEPTH - 1); in nvme_alloc_io_tag_set()
4284 if (ctrl->quirks & NVME_QUIRK_SHARED_TAGS) in nvme_alloc_io_tag_set()
4286 else if (ctrl->ops->flags & NVME_F_FABRICS) in nvme_alloc_io_tag_set()
4288 set->numa_node = ctrl->numa_node; in nvme_alloc_io_tag_set()
4290 if (ctrl->ops->flags & NVME_F_BLOCKING) in nvme_alloc_io_tag_set()
4293 set->driver_data = ctrl; in nvme_alloc_io_tag_set()
4294 set->nr_hw_queues = ctrl->queue_count - 1; in nvme_alloc_io_tag_set()
4301 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_alloc_io_tag_set()
4302 ctrl->connect_q = blk_mq_init_queue(set); in nvme_alloc_io_tag_set()
4303 if (IS_ERR(ctrl->connect_q)) { in nvme_alloc_io_tag_set()
4304 ret = PTR_ERR(ctrl->connect_q); in nvme_alloc_io_tag_set()
4308 ctrl->connect_q); in nvme_alloc_io_tag_set()
4311 ctrl->tagset = set; in nvme_alloc_io_tag_set()
4316 ctrl->connect_q = NULL; in nvme_alloc_io_tag_set()
4321 void nvme_remove_io_tag_set(struct nvme_ctrl *ctrl) in nvme_remove_io_tag_set() argument
4323 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_remove_io_tag_set()
4324 blk_mq_destroy_queue(ctrl->connect_q); in nvme_remove_io_tag_set()
4325 blk_put_queue(ctrl->connect_q); in nvme_remove_io_tag_set()
4327 blk_mq_free_tag_set(ctrl->tagset); in nvme_remove_io_tag_set()
4331 void nvme_stop_ctrl(struct nvme_ctrl *ctrl) in nvme_stop_ctrl() argument
4333 nvme_mpath_stop(ctrl); in nvme_stop_ctrl()
4334 nvme_auth_stop(ctrl); in nvme_stop_ctrl()
4335 nvme_stop_keep_alive(ctrl); in nvme_stop_ctrl()
4336 nvme_stop_failfast_work(ctrl); in nvme_stop_ctrl()
4337 flush_work(&ctrl->async_event_work); in nvme_stop_ctrl()
4338 cancel_work_sync(&ctrl->fw_act_work); in nvme_stop_ctrl()
4339 if (ctrl->ops->stop_ctrl) in nvme_stop_ctrl()
4340 ctrl->ops->stop_ctrl(ctrl); in nvme_stop_ctrl()
4344 void nvme_start_ctrl(struct nvme_ctrl *ctrl) in nvme_start_ctrl() argument
4346 nvme_start_keep_alive(ctrl); in nvme_start_ctrl()
4348 nvme_enable_aen(ctrl); in nvme_start_ctrl()
4356 if (test_bit(NVME_CTRL_STARTED_ONCE, &ctrl->flags) && in nvme_start_ctrl()
4357 nvme_discovery_ctrl(ctrl)) in nvme_start_ctrl()
4358 nvme_change_uevent(ctrl, "NVME_EVENT=rediscover"); in nvme_start_ctrl()
4360 if (ctrl->queue_count > 1) { in nvme_start_ctrl()
4361 nvme_queue_scan(ctrl); in nvme_start_ctrl()
4362 nvme_unquiesce_io_queues(ctrl); in nvme_start_ctrl()
4363 nvme_mpath_update(ctrl); in nvme_start_ctrl()
4366 nvme_change_uevent(ctrl, "NVME_EVENT=connected"); in nvme_start_ctrl()
4367 set_bit(NVME_CTRL_STARTED_ONCE, &ctrl->flags); in nvme_start_ctrl()
4371 void nvme_uninit_ctrl(struct nvme_ctrl *ctrl) in nvme_uninit_ctrl() argument
4373 nvme_hwmon_exit(ctrl); in nvme_uninit_ctrl()
4374 nvme_fault_inject_fini(&ctrl->fault_inject); in nvme_uninit_ctrl()
4375 dev_pm_qos_hide_latency_tolerance(ctrl->device); in nvme_uninit_ctrl()
4376 cdev_device_del(&ctrl->cdev, ctrl->device); in nvme_uninit_ctrl()
4377 nvme_put_ctrl(ctrl); in nvme_uninit_ctrl()
4381 static void nvme_free_cels(struct nvme_ctrl *ctrl) in nvme_free_cels() argument
4386 xa_for_each(&ctrl->cels, i, cel) { in nvme_free_cels()
4387 xa_erase(&ctrl->cels, i); in nvme_free_cels()
4391 xa_destroy(&ctrl->cels); in nvme_free_cels()
4396 struct nvme_ctrl *ctrl = in nvme_free_ctrl() local
4398 struct nvme_subsystem *subsys = ctrl->subsys; in nvme_free_ctrl()
4400 if (!subsys || ctrl->instance != subsys->instance) in nvme_free_ctrl()
4401 ida_free(&nvme_instance_ida, ctrl->instance); in nvme_free_ctrl()
4403 nvme_free_cels(ctrl); in nvme_free_ctrl()
4404 nvme_mpath_uninit(ctrl); in nvme_free_ctrl()
4405 nvme_auth_stop(ctrl); in nvme_free_ctrl()
4406 nvme_auth_free(ctrl); in nvme_free_ctrl()
4407 __free_page(ctrl->discard_page); in nvme_free_ctrl()
4408 free_opal_dev(ctrl->opal_dev); in nvme_free_ctrl()
4412 list_del(&ctrl->subsys_entry); in nvme_free_ctrl()
4413 sysfs_remove_link(&subsys->dev.kobj, dev_name(ctrl->device)); in nvme_free_ctrl()
4417 ctrl->ops->free_ctrl(ctrl); in nvme_free_ctrl()
4428 int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev, in nvme_init_ctrl() argument
4433 ctrl->state = NVME_CTRL_NEW; in nvme_init_ctrl()
4434 clear_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); in nvme_init_ctrl()
4435 spin_lock_init(&ctrl->lock); in nvme_init_ctrl()
4436 mutex_init(&ctrl->scan_lock); in nvme_init_ctrl()
4437 INIT_LIST_HEAD(&ctrl->namespaces); in nvme_init_ctrl()
4438 xa_init(&ctrl->cels); in nvme_init_ctrl()
4439 init_rwsem(&ctrl->namespaces_rwsem); in nvme_init_ctrl()
4440 ctrl->dev = dev; in nvme_init_ctrl()
4441 ctrl->ops = ops; in nvme_init_ctrl()
4442 ctrl->quirks = quirks; in nvme_init_ctrl()
4443 ctrl->numa_node = NUMA_NO_NODE; in nvme_init_ctrl()
4444 INIT_WORK(&ctrl->scan_work, nvme_scan_work); in nvme_init_ctrl()
4445 INIT_WORK(&ctrl->async_event_work, nvme_async_event_work); in nvme_init_ctrl()
4446 INIT_WORK(&ctrl->fw_act_work, nvme_fw_act_work); in nvme_init_ctrl()
4447 INIT_WORK(&ctrl->delete_work, nvme_delete_ctrl_work); in nvme_init_ctrl()
4448 init_waitqueue_head(&ctrl->state_wq); in nvme_init_ctrl()
4450 INIT_DELAYED_WORK(&ctrl->ka_work, nvme_keep_alive_work); in nvme_init_ctrl()
4451 INIT_DELAYED_WORK(&ctrl->failfast_work, nvme_failfast_work); in nvme_init_ctrl()
4452 memset(&ctrl->ka_cmd, 0, sizeof(ctrl->ka_cmd)); in nvme_init_ctrl()
4453 ctrl->ka_cmd.common.opcode = nvme_admin_keep_alive; in nvme_init_ctrl()
4457 ctrl->discard_page = alloc_page(GFP_KERNEL); in nvme_init_ctrl()
4458 if (!ctrl->discard_page) { in nvme_init_ctrl()
4466 ctrl->instance = ret; in nvme_init_ctrl()
4468 device_initialize(&ctrl->ctrl_device); in nvme_init_ctrl()
4469 ctrl->device = &ctrl->ctrl_device; in nvme_init_ctrl()
4470 ctrl->device->devt = MKDEV(MAJOR(nvme_ctrl_base_chr_devt), in nvme_init_ctrl()
4471 ctrl->instance); in nvme_init_ctrl()
4472 ctrl->device->class = nvme_class; in nvme_init_ctrl()
4473 ctrl->device->parent = ctrl->dev; in nvme_init_ctrl()
4475 ctrl->device->groups = ops->dev_attr_groups; in nvme_init_ctrl()
4477 ctrl->device->groups = nvme_dev_attr_groups; in nvme_init_ctrl()
4478 ctrl->device->release = nvme_free_ctrl; in nvme_init_ctrl()
4479 dev_set_drvdata(ctrl->device, ctrl); in nvme_init_ctrl()
4480 ret = dev_set_name(ctrl->device, "nvme%d", ctrl->instance); in nvme_init_ctrl()
4484 nvme_get_ctrl(ctrl); in nvme_init_ctrl()
4485 cdev_init(&ctrl->cdev, &nvme_dev_fops); in nvme_init_ctrl()
4486 ctrl->cdev.owner = ops->module; in nvme_init_ctrl()
4487 ret = cdev_device_add(&ctrl->cdev, ctrl->device); in nvme_init_ctrl()
4495 ctrl->device->power.set_latency_tolerance = nvme_set_latency_tolerance; in nvme_init_ctrl()
4496 dev_pm_qos_update_user_latency_tolerance(ctrl->device, in nvme_init_ctrl()
4499 nvme_fault_inject_init(&ctrl->fault_inject, dev_name(ctrl->device)); in nvme_init_ctrl()
4500 nvme_mpath_init_ctrl(ctrl); in nvme_init_ctrl()
4501 ret = nvme_auth_init_ctrl(ctrl); in nvme_init_ctrl()
4507 nvme_fault_inject_fini(&ctrl->fault_inject); in nvme_init_ctrl()
4508 dev_pm_qos_hide_latency_tolerance(ctrl->device); in nvme_init_ctrl()
4509 cdev_device_del(&ctrl->cdev, ctrl->device); in nvme_init_ctrl()
4511 nvme_put_ctrl(ctrl); in nvme_init_ctrl()
4512 kfree_const(ctrl->device->kobj.name); in nvme_init_ctrl()
4514 ida_free(&nvme_instance_ida, ctrl->instance); in nvme_init_ctrl()
4516 if (ctrl->discard_page) in nvme_init_ctrl()
4517 __free_page(ctrl->discard_page); in nvme_init_ctrl()
4523 void nvme_mark_namespaces_dead(struct nvme_ctrl *ctrl) in nvme_mark_namespaces_dead() argument
4527 down_read(&ctrl->namespaces_rwsem); in nvme_mark_namespaces_dead()
4528 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_mark_namespaces_dead()
4530 up_read(&ctrl->namespaces_rwsem); in nvme_mark_namespaces_dead()
4534 void nvme_unfreeze(struct nvme_ctrl *ctrl) in nvme_unfreeze() argument
4538 down_read(&ctrl->namespaces_rwsem); in nvme_unfreeze()
4539 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_unfreeze()
4541 up_read(&ctrl->namespaces_rwsem); in nvme_unfreeze()
4545 int nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout) in nvme_wait_freeze_timeout() argument
4549 down_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze_timeout()
4550 list_for_each_entry(ns, &ctrl->namespaces, list) { in nvme_wait_freeze_timeout()
4555 up_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze_timeout()
4560 void nvme_wait_freeze(struct nvme_ctrl *ctrl) in nvme_wait_freeze() argument
4564 down_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze()
4565 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_wait_freeze()
4567 up_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze()
4571 void nvme_start_freeze(struct nvme_ctrl *ctrl) in nvme_start_freeze() argument
4575 down_read(&ctrl->namespaces_rwsem); in nvme_start_freeze()
4576 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_start_freeze()
4578 up_read(&ctrl->namespaces_rwsem); in nvme_start_freeze()
4582 void nvme_quiesce_io_queues(struct nvme_ctrl *ctrl) in nvme_quiesce_io_queues() argument
4584 if (!ctrl->tagset) in nvme_quiesce_io_queues()
4586 if (!test_and_set_bit(NVME_CTRL_STOPPED, &ctrl->flags)) in nvme_quiesce_io_queues()
4587 blk_mq_quiesce_tagset(ctrl->tagset); in nvme_quiesce_io_queues()
4589 blk_mq_wait_quiesce_done(ctrl->tagset); in nvme_quiesce_io_queues()
4593 void nvme_unquiesce_io_queues(struct nvme_ctrl *ctrl) in nvme_unquiesce_io_queues() argument
4595 if (!ctrl->tagset) in nvme_unquiesce_io_queues()
4597 if (test_and_clear_bit(NVME_CTRL_STOPPED, &ctrl->flags)) in nvme_unquiesce_io_queues()
4598 blk_mq_unquiesce_tagset(ctrl->tagset); in nvme_unquiesce_io_queues()
4602 void nvme_quiesce_admin_queue(struct nvme_ctrl *ctrl) in nvme_quiesce_admin_queue() argument
4604 if (!test_and_set_bit(NVME_CTRL_ADMIN_Q_STOPPED, &ctrl->flags)) in nvme_quiesce_admin_queue()
4605 blk_mq_quiesce_queue(ctrl->admin_q); in nvme_quiesce_admin_queue()
4607 blk_mq_wait_quiesce_done(ctrl->admin_q->tag_set); in nvme_quiesce_admin_queue()
4611 void nvme_unquiesce_admin_queue(struct nvme_ctrl *ctrl) in nvme_unquiesce_admin_queue() argument
4613 if (test_and_clear_bit(NVME_CTRL_ADMIN_Q_STOPPED, &ctrl->flags)) in nvme_unquiesce_admin_queue()
4614 blk_mq_unquiesce_queue(ctrl->admin_q); in nvme_unquiesce_admin_queue()
4618 void nvme_sync_io_queues(struct nvme_ctrl *ctrl) in nvme_sync_io_queues() argument
4622 down_read(&ctrl->namespaces_rwsem); in nvme_sync_io_queues()
4623 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_sync_io_queues()
4625 up_read(&ctrl->namespaces_rwsem); in nvme_sync_io_queues()
4629 void nvme_sync_queues(struct nvme_ctrl *ctrl) in nvme_sync_queues() argument
4631 nvme_sync_io_queues(ctrl); in nvme_sync_queues()
4632 if (ctrl->admin_q) in nvme_sync_queues()
4633 blk_sync_queue(ctrl->admin_q); in nvme_sync_queues()