Lines Matching +full:battery +full:- +full:profile
1 // SPDX-License-Identifier: GPL-2.0
4 * Copyright (c) 2011-2014, Intel Corporation.
8 #include <linux/blk-mq.h>
9 #include <linux/blk-integrity.h>
16 #include <linux/backing-dev.h>
27 #include <linux/nvme-auth.h>
91 * nvme_wq - hosts nvme related works that are not reset or delete
92 * nvme_reset_wq - hosts nvme reset works
93 * nvme_delete_wq - hosts nvme delete works
96 * keep-alive, periodic reconnects etc. nvme_reset_wq
133 if (ctrl->state == NVME_CTRL_LIVE && ctrl->tagset) in nvme_queue_scan()
134 queue_work(nvme_wq, &ctrl->scan_work); in nvme_queue_scan()
145 if (ctrl->state != NVME_CTRL_RESETTING) in nvme_try_sched_reset()
146 return -EBUSY; in nvme_try_sched_reset()
147 if (!queue_work(nvme_reset_wq, &ctrl->reset_work)) in nvme_try_sched_reset()
148 return -EBUSY; in nvme_try_sched_reset()
158 if (ctrl->state != NVME_CTRL_CONNECTING) in nvme_failfast_work()
161 set_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); in nvme_failfast_work()
162 dev_info(ctrl->device, "failfast expired\n"); in nvme_failfast_work()
168 if (!ctrl->opts || ctrl->opts->fast_io_fail_tmo == -1) in nvme_start_failfast_work()
171 schedule_delayed_work(&ctrl->failfast_work, in nvme_start_failfast_work()
172 ctrl->opts->fast_io_fail_tmo * HZ); in nvme_start_failfast_work()
177 if (!ctrl->opts) in nvme_stop_failfast_work()
180 cancel_delayed_work_sync(&ctrl->failfast_work); in nvme_stop_failfast_work()
181 clear_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); in nvme_stop_failfast_work()
188 return -EBUSY; in nvme_reset_ctrl()
189 if (!queue_work(nvme_reset_wq, &ctrl->reset_work)) in nvme_reset_ctrl()
190 return -EBUSY; in nvme_reset_ctrl()
201 flush_work(&ctrl->reset_work); in nvme_reset_ctrl_sync()
202 if (ctrl->state != NVME_CTRL_LIVE) in nvme_reset_ctrl_sync()
203 ret = -ENETRESET; in nvme_reset_ctrl_sync()
211 dev_info(ctrl->device, in nvme_do_delete_ctrl()
214 flush_work(&ctrl->reset_work); in nvme_do_delete_ctrl()
217 ctrl->ops->delete_ctrl(ctrl); in nvme_do_delete_ctrl()
232 return -EBUSY; in nvme_delete_ctrl()
233 if (!queue_work(nvme_delete_wq, &ctrl->delete_work)) in nvme_delete_ctrl()
234 return -EBUSY; in nvme_delete_ctrl()
243 * since ->delete_ctrl can free the controller. in nvme_delete_ctrl_sync()
299 crd = (nvme_req(req)->status & NVME_SC_CRD) >> 11; in nvme_retry_req()
301 delay = nvme_req(req)->ctrl->crdt[crd - 1] * 100; in nvme_retry_req()
303 nvme_req(req)->retries++; in nvme_retry_req()
305 blk_mq_delay_kick_requeue_list(req->q, delay); in nvme_retry_req()
310 struct nvme_ns *ns = req->q->queuedata; in nvme_log_error()
315 ns->disk ? ns->disk->disk_name : "?", in nvme_log_error()
316 nvme_get_opcode_str(nr->cmd->common.opcode), in nvme_log_error()
317 nr->cmd->common.opcode, in nvme_log_error()
319 (unsigned long long)blk_rq_bytes(req) >> ns->lba_shift, in nvme_log_error()
320 nvme_get_error_status_str(nr->status), in nvme_log_error()
321 nr->status >> 8 & 7, /* Status Code Type */ in nvme_log_error()
322 nr->status & 0xff, /* Status Code */ in nvme_log_error()
323 nr->status & NVME_SC_MORE ? "MORE " : "", in nvme_log_error()
324 nr->status & NVME_SC_DNR ? "DNR " : ""); in nvme_log_error()
329 dev_name(nr->ctrl->device), in nvme_log_error()
330 nvme_get_admin_opcode_str(nr->cmd->common.opcode), in nvme_log_error()
331 nr->cmd->common.opcode, in nvme_log_error()
332 nvme_get_error_status_str(nr->status), in nvme_log_error()
333 nr->status >> 8 & 7, /* Status Code Type */ in nvme_log_error()
334 nr->status & 0xff, /* Status Code */ in nvme_log_error()
335 nr->status & NVME_SC_MORE ? "MORE " : "", in nvme_log_error()
336 nr->status & NVME_SC_DNR ? "DNR " : ""); in nvme_log_error()
348 if (likely(nvme_req(req)->status == 0)) in nvme_decide_disposition()
351 if ((nvme_req(req)->status & 0x7ff) == NVME_SC_AUTH_REQUIRED) in nvme_decide_disposition()
355 (nvme_req(req)->status & NVME_SC_DNR) || in nvme_decide_disposition()
356 nvme_req(req)->retries >= nvme_max_retries) in nvme_decide_disposition()
359 if (req->cmd_flags & REQ_NVME_MPATH) { in nvme_decide_disposition()
360 if (nvme_is_path_error(nvme_req(req)->status) || in nvme_decide_disposition()
361 blk_queue_dying(req->q)) in nvme_decide_disposition()
364 if (blk_queue_dying(req->q)) in nvme_decide_disposition()
375 req->__sector = nvme_lba_to_sect(req->q->queuedata, in nvme_end_req_zoned()
376 le64_to_cpu(nvme_req(req)->result.u64)); in nvme_end_req_zoned()
381 blk_status_t status = nvme_error_status(nvme_req(req)->status); in nvme_end_req()
383 if (unlikely(nvme_req(req)->status && !(req->rq_flags & RQF_QUIET))) in nvme_end_req()
392 struct nvme_ctrl *ctrl = nvme_req(req)->ctrl; in nvme_complete_rq()
397 if (ctrl->kas) in nvme_complete_rq()
398 ctrl->comp_seen = true; in nvme_complete_rq()
412 queue_work(nvme_wq, &ctrl->dhchap_auth_work); in nvme_complete_rq()
431 * Called to unwind from ->queue_rq on a failed command submission so that the
438 nvme_req(req)->status = NVME_SC_HOST_PATH_ERROR; in nvme_host_path_error()
447 dev_dbg_ratelimited(((struct nvme_ctrl *) data)->device, in nvme_cancel_request()
448 "Cancelling I/O %d", req->tag); in nvme_cancel_request()
454 nvme_req(req)->status = NVME_SC_HOST_ABORTED_CMD; in nvme_cancel_request()
455 nvme_req(req)->flags |= NVME_REQ_CANCELLED; in nvme_cancel_request()
463 if (ctrl->tagset) { in nvme_cancel_tagset()
464 blk_mq_tagset_busy_iter(ctrl->tagset, in nvme_cancel_tagset()
466 blk_mq_tagset_wait_completed_request(ctrl->tagset); in nvme_cancel_tagset()
473 if (ctrl->admin_tagset) { in nvme_cancel_admin_tagset()
474 blk_mq_tagset_busy_iter(ctrl->admin_tagset, in nvme_cancel_admin_tagset()
476 blk_mq_tagset_wait_completed_request(ctrl->admin_tagset); in nvme_cancel_admin_tagset()
488 spin_lock_irqsave(&ctrl->lock, flags); in nvme_change_ctrl_state()
490 old_state = ctrl->state; in nvme_change_ctrl_state()
558 ctrl->state = new_state; in nvme_change_ctrl_state()
559 wake_up_all(&ctrl->state_wq); in nvme_change_ctrl_state()
562 spin_unlock_irqrestore(&ctrl->lock, flags); in nvme_change_ctrl_state()
566 if (ctrl->state == NVME_CTRL_LIVE) { in nvme_change_ctrl_state()
570 } else if (ctrl->state == NVME_CTRL_CONNECTING && in nvme_change_ctrl_state()
583 switch (ctrl->state) { in nvme_state_terminal()
594 WARN_ONCE(1, "Unhandled ctrl state:%d", ctrl->state); in nvme_state_terminal()
605 wait_event(ctrl->state_wq, in nvme_wait_reset()
608 return ctrl->state == NVME_CTRL_RESETTING; in nvme_wait_reset()
618 ida_free(&head->subsys->ns_ida, head->instance); in nvme_free_ns_head()
619 cleanup_srcu_struct(&head->srcu); in nvme_free_ns_head()
620 nvme_put_subsystem(head->subsys); in nvme_free_ns_head()
626 return kref_get_unless_zero(&head->ref); in nvme_tryget_ns_head()
631 kref_put(&head->ref, nvme_free_ns_head); in nvme_put_ns_head()
638 put_disk(ns->disk); in nvme_free_ns()
639 nvme_put_ns_head(ns->head); in nvme_free_ns()
640 nvme_put_ctrl(ns->ctrl); in nvme_free_ns()
646 return kref_get_unless_zero(&ns->kref); in nvme_get_ns()
651 kref_put(&ns->kref, nvme_free_ns); in nvme_put_ns()
657 nvme_req(req)->status = 0; in nvme_clear_nvme_request()
658 nvme_req(req)->retries = 0; in nvme_clear_nvme_request()
659 nvme_req(req)->flags = 0; in nvme_clear_nvme_request()
660 req->rq_flags |= RQF_DONTPREP; in nvme_clear_nvme_request()
666 if (req->q->queuedata) in nvme_init_request()
667 req->timeout = NVME_IO_TIMEOUT; in nvme_init_request()
669 req->timeout = NVME_ADMIN_TIMEOUT; in nvme_init_request()
672 cmd->common.flags &= ~NVME_CMD_SGL_ALL; in nvme_init_request()
674 req->cmd_flags |= REQ_FAILFAST_DRIVER; in nvme_init_request()
675 if (req->mq_hctx->type == HCTX_TYPE_POLL) in nvme_init_request()
676 req->cmd_flags |= REQ_POLLED; in nvme_init_request()
678 req->rq_flags |= RQF_QUIET; in nvme_init_request()
679 memcpy(nvme_req(req)->cmd, cmd, sizeof(*cmd)); in nvme_init_request()
695 if (ctrl->state != NVME_CTRL_DELETING_NOIO && in nvme_fail_nonready_command()
696 ctrl->state != NVME_CTRL_DELETING && in nvme_fail_nonready_command()
697 ctrl->state != NVME_CTRL_DEAD && in nvme_fail_nonready_command()
698 !test_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags) && in nvme_fail_nonready_command()
699 !blk_noretry_request(rq) && !(rq->cmd_flags & REQ_NVME_MPATH)) in nvme_fail_nonready_command()
718 if (rq->q == ctrl->admin_q && (req->flags & NVME_REQ_USERCMD)) in __nvme_check_ready()
721 if (ctrl->ops->flags & NVME_F_FABRICS) { in __nvme_check_ready()
727 switch (ctrl->state) { in __nvme_check_ready()
729 if (blk_rq_is_passthrough(rq) && nvme_is_fabrics(req->cmd) && in __nvme_check_ready()
730 (req->cmd->fabrics.fctype == nvme_fabrics_type_connect || in __nvme_check_ready()
731 req->cmd->fabrics.fctype == nvme_fabrics_type_auth_send || in __nvme_check_ready()
732 req->cmd->fabrics.fctype == nvme_fabrics_type_auth_receive)) in __nvme_check_ready()
750 cmnd->common.opcode = nvme_cmd_flush; in nvme_setup_flush()
751 cmnd->common.nsid = cpu_to_le32(ns->head->ns_id); in nvme_setup_flush()
775 if (test_and_set_bit_lock(0, &ns->ctrl->discard_page_busy)) in nvme_setup_discard()
778 range = page_address(ns->ctrl->discard_page); in nvme_setup_discard()
782 u64 slba = nvme_sect_to_lba(ns, bio->bi_iter.bi_sector); in nvme_setup_discard()
783 u32 nlb = bio->bi_iter.bi_size >> ns->lba_shift; in nvme_setup_discard()
794 if (virt_to_page(range) == ns->ctrl->discard_page) in nvme_setup_discard()
795 clear_bit_unlock(0, &ns->ctrl->discard_page_busy); in nvme_setup_discard()
802 cmnd->dsm.opcode = nvme_cmd_dsm; in nvme_setup_discard()
803 cmnd->dsm.nsid = cpu_to_le32(ns->head->ns_id); in nvme_setup_discard()
804 cmnd->dsm.nr = cpu_to_le32(segments - 1); in nvme_setup_discard()
805 cmnd->dsm.attributes = cpu_to_le32(NVME_DSMGMT_AD); in nvme_setup_discard()
807 req->special_vec.bv_page = virt_to_page(range); in nvme_setup_discard()
808 req->special_vec.bv_offset = offset_in_page(range); in nvme_setup_discard()
809 req->special_vec.bv_len = alloc_size; in nvme_setup_discard()
810 req->rq_flags |= RQF_SPECIAL_PAYLOAD; in nvme_setup_discard()
822 switch (ns->guard_type) { in nvme_set_ref_tag()
824 cmnd->rw.reftag = cpu_to_le32(t10_pi_ref_tag(req)); in nvme_set_ref_tag()
831 cmnd->rw.reftag = cpu_to_le32(lower); in nvme_set_ref_tag()
832 cmnd->rw.cdw3 = cpu_to_le32(upper); in nvme_set_ref_tag()
844 if (ns->ctrl->quirks & NVME_QUIRK_DEALLOCATE_ZEROES) in nvme_setup_write_zeroes()
847 cmnd->write_zeroes.opcode = nvme_cmd_write_zeroes; in nvme_setup_write_zeroes()
848 cmnd->write_zeroes.nsid = cpu_to_le32(ns->head->ns_id); in nvme_setup_write_zeroes()
849 cmnd->write_zeroes.slba = in nvme_setup_write_zeroes()
851 cmnd->write_zeroes.length = in nvme_setup_write_zeroes()
852 cpu_to_le16((blk_rq_bytes(req) >> ns->lba_shift) - 1); in nvme_setup_write_zeroes()
855 cmnd->write_zeroes.control = cpu_to_le16(NVME_RW_PRINFO_PRACT); in nvme_setup_write_zeroes()
857 switch (ns->pi_type) { in nvme_setup_write_zeroes()
875 if (req->cmd_flags & REQ_FUA) in nvme_setup_rw()
877 if (req->cmd_flags & (REQ_FAILFAST_DEV | REQ_RAHEAD)) in nvme_setup_rw()
880 if (req->cmd_flags & REQ_RAHEAD) in nvme_setup_rw()
883 cmnd->rw.opcode = op; in nvme_setup_rw()
884 cmnd->rw.flags = 0; in nvme_setup_rw()
885 cmnd->rw.nsid = cpu_to_le32(ns->head->ns_id); in nvme_setup_rw()
886 cmnd->rw.cdw2 = 0; in nvme_setup_rw()
887 cmnd->rw.cdw3 = 0; in nvme_setup_rw()
888 cmnd->rw.metadata = 0; in nvme_setup_rw()
889 cmnd->rw.slba = cpu_to_le64(nvme_sect_to_lba(ns, blk_rq_pos(req))); in nvme_setup_rw()
890 cmnd->rw.length = cpu_to_le16((blk_rq_bytes(req) >> ns->lba_shift) - 1); in nvme_setup_rw()
891 cmnd->rw.reftag = 0; in nvme_setup_rw()
892 cmnd->rw.apptag = 0; in nvme_setup_rw()
893 cmnd->rw.appmask = 0; in nvme_setup_rw()
895 if (ns->ms) { in nvme_setup_rw()
908 switch (ns->pi_type) { in nvme_setup_rw()
923 cmnd->rw.control = cpu_to_le16(control); in nvme_setup_rw()
924 cmnd->rw.dsmgmt = cpu_to_le32(dsmgmt); in nvme_setup_rw()
930 if (req->rq_flags & RQF_SPECIAL_PAYLOAD) { in nvme_cleanup_cmd()
931 struct nvme_ctrl *ctrl = nvme_req(req)->ctrl; in nvme_cleanup_cmd()
933 if (req->special_vec.bv_page == ctrl->discard_page) in nvme_cleanup_cmd()
934 clear_bit_unlock(0, &ctrl->discard_page_busy); in nvme_cleanup_cmd()
936 kfree(bvec_virt(&req->special_vec)); in nvme_cleanup_cmd()
943 struct nvme_command *cmd = nvme_req(req)->cmd; in nvme_setup_cmd()
946 if (!(req->rq_flags & RQF_DONTPREP)) in nvme_setup_cmd()
990 cmd->common.command_id = nvme_cid(req); in nvme_setup_cmd()
1007 if (nvme_req(rq)->flags & NVME_REQ_CANCELLED) in nvme_execute_rq()
1008 return -EINTR; in nvme_execute_rq()
1009 if (nvme_req(rq)->status) in nvme_execute_rq()
1010 return nvme_req(rq)->status; in nvme_execute_rq()
1029 qid - 1); in __nvme_submit_sync_cmd()
1043 *result = nvme_req(req)->result; in __nvme_submit_sync_cmd()
1077 if (ns->head->effects) in nvme_command_effects()
1078 effects = le32_to_cpu(ns->head->effects->iocs[opcode]); in nvme_command_effects()
1080 dev_warn_once(ctrl->device, in nvme_command_effects()
1086 if (ctrl->effects) in nvme_command_effects()
1087 effects = le32_to_cpu(ctrl->effects->acs[opcode]); in nvme_command_effects()
1104 mutex_lock(&ctrl->scan_lock); in nvme_passthru_start()
1105 mutex_lock(&ctrl->subsys->lock); in nvme_passthru_start()
1106 nvme_mpath_start_freeze(ctrl->subsys); in nvme_passthru_start()
1107 nvme_mpath_wait_freeze(ctrl->subsys); in nvme_passthru_start()
1119 nvme_mpath_unfreeze(ctrl->subsys); in nvme_passthru_end()
1120 mutex_unlock(&ctrl->subsys->lock); in nvme_passthru_end()
1122 mutex_unlock(&ctrl->scan_lock); in nvme_passthru_end()
1128 flush_work(&ctrl->scan_work); in nvme_passthru_end()
1131 switch (cmd->common.opcode) { in nvme_passthru_end()
1133 switch (le32_to_cpu(cmd->common.cdw10) & 0xFF) { in nvme_passthru_end()
1155 struct nvme_command *cmd = nvme_req(rq)->cmd; in nvme_execute_passthru_rq()
1156 struct nvme_ctrl *ctrl = nvme_req(rq)->ctrl; in nvme_execute_passthru_rq()
1157 struct nvme_ns *ns = rq->q->queuedata; in nvme_execute_passthru_rq()
1159 *effects = nvme_passthru_start(ctrl, ns, cmd->common.opcode); in nvme_execute_passthru_rq()
1172 queue_delayed_work(nvme_wq, &ctrl->ka_work, ctrl->kato * HZ / 2); in nvme_queue_keep_alive_work()
1178 struct nvme_ctrl *ctrl = rq->end_io_data; in nvme_keep_alive_end_io()
1185 dev_err(ctrl->device, in nvme_keep_alive_end_io()
1191 ctrl->comp_seen = false; in nvme_keep_alive_end_io()
1192 spin_lock_irqsave(&ctrl->lock, flags); in nvme_keep_alive_end_io()
1193 if (ctrl->state == NVME_CTRL_LIVE || in nvme_keep_alive_end_io()
1194 ctrl->state == NVME_CTRL_CONNECTING) in nvme_keep_alive_end_io()
1196 spin_unlock_irqrestore(&ctrl->lock, flags); in nvme_keep_alive_end_io()
1206 bool comp_seen = ctrl->comp_seen; in nvme_keep_alive_work()
1209 if ((ctrl->ctratt & NVME_CTRL_ATTR_TBKAS) && comp_seen) { in nvme_keep_alive_work()
1210 dev_dbg(ctrl->device, in nvme_keep_alive_work()
1211 "reschedule traffic based keep-alive timer\n"); in nvme_keep_alive_work()
1212 ctrl->comp_seen = false; in nvme_keep_alive_work()
1217 rq = blk_mq_alloc_request(ctrl->admin_q, nvme_req_op(&ctrl->ka_cmd), in nvme_keep_alive_work()
1221 dev_err(ctrl->device, "keep-alive failed: %ld\n", PTR_ERR(rq)); in nvme_keep_alive_work()
1225 nvme_init_request(rq, &ctrl->ka_cmd); in nvme_keep_alive_work()
1227 rq->timeout = ctrl->kato * HZ; in nvme_keep_alive_work()
1228 rq->end_io = nvme_keep_alive_end_io; in nvme_keep_alive_work()
1229 rq->end_io_data = ctrl; in nvme_keep_alive_work()
1235 if (unlikely(ctrl->kato == 0)) in nvme_start_keep_alive()
1243 if (unlikely(ctrl->kato == 0)) in nvme_stop_keep_alive()
1246 cancel_delayed_work_sync(&ctrl->ka_work); in nvme_stop_keep_alive()
1254 DIV_ROUND_UP(le32_to_cpu(cmd->common.cdw11), 1000); in nvme_update_keep_alive()
1256 dev_info(ctrl->device, in nvme_update_keep_alive()
1258 ctrl->kato * 1000 / 2, new_kato * 1000 / 2); in nvme_update_keep_alive()
1261 ctrl->kato = new_kato; in nvme_update_keep_alive()
1273 if (ctrl->quirks & NVME_QUIRK_IDENTIFY_CNS) in nvme_ctrl_limited_cns()
1274 return ctrl->vs < NVME_VS(1, 2, 0); in nvme_ctrl_limited_cns()
1275 return ctrl->vs < NVME_VS(1, 1, 0); in nvme_ctrl_limited_cns()
1283 /* gcc-4.4.4 (at least) has issues with initializers and anon unions */ in nvme_identify_ctrl()
1289 return -ENOMEM; in nvme_identify_ctrl()
1291 error = nvme_submit_sync_cmd(dev->admin_q, &c, *id, in nvme_identify_ctrl()
1304 switch (cur->nidt) { in nvme_process_ns_desc()
1306 if (cur->nidl != NVME_NIDT_EUI64_LEN) { in nvme_process_ns_desc()
1307 dev_warn(ctrl->device, "%s %d for NVME_NIDT_EUI64\n", in nvme_process_ns_desc()
1308 warn_str, cur->nidl); in nvme_process_ns_desc()
1309 return -1; in nvme_process_ns_desc()
1311 if (ctrl->quirks & NVME_QUIRK_BOGUS_NID) in nvme_process_ns_desc()
1313 memcpy(ids->eui64, data + sizeof(*cur), NVME_NIDT_EUI64_LEN); in nvme_process_ns_desc()
1316 if (cur->nidl != NVME_NIDT_NGUID_LEN) { in nvme_process_ns_desc()
1317 dev_warn(ctrl->device, "%s %d for NVME_NIDT_NGUID\n", in nvme_process_ns_desc()
1318 warn_str, cur->nidl); in nvme_process_ns_desc()
1319 return -1; in nvme_process_ns_desc()
1321 if (ctrl->quirks & NVME_QUIRK_BOGUS_NID) in nvme_process_ns_desc()
1323 memcpy(ids->nguid, data + sizeof(*cur), NVME_NIDT_NGUID_LEN); in nvme_process_ns_desc()
1326 if (cur->nidl != NVME_NIDT_UUID_LEN) { in nvme_process_ns_desc()
1327 dev_warn(ctrl->device, "%s %d for NVME_NIDT_UUID\n", in nvme_process_ns_desc()
1328 warn_str, cur->nidl); in nvme_process_ns_desc()
1329 return -1; in nvme_process_ns_desc()
1331 if (ctrl->quirks & NVME_QUIRK_BOGUS_NID) in nvme_process_ns_desc()
1333 uuid_copy(&ids->uuid, data + sizeof(*cur)); in nvme_process_ns_desc()
1336 if (cur->nidl != NVME_NIDT_CSI_LEN) { in nvme_process_ns_desc()
1337 dev_warn(ctrl->device, "%s %d for NVME_NIDT_CSI\n", in nvme_process_ns_desc()
1338 warn_str, cur->nidl); in nvme_process_ns_desc()
1339 return -1; in nvme_process_ns_desc()
1341 memcpy(&ids->csi, data + sizeof(*cur), NVME_NIDT_CSI_LEN); in nvme_process_ns_desc()
1346 return cur->nidl; in nvme_process_ns_desc()
1358 if (ctrl->vs < NVME_VS(1, 3, 0) && !nvme_multi_css(ctrl)) in nvme_identify_ns_descs()
1360 if (ctrl->quirks & NVME_QUIRK_NO_NS_DESC_LIST) in nvme_identify_ns_descs()
1364 c.identify.nsid = cpu_to_le32(info->nsid); in nvme_identify_ns_descs()
1369 return -ENOMEM; in nvme_identify_ns_descs()
1371 status = nvme_submit_sync_cmd(ctrl->admin_q, &c, data, in nvme_identify_ns_descs()
1374 dev_warn(ctrl->device, in nvme_identify_ns_descs()
1376 info->nsid, status); in nvme_identify_ns_descs()
1383 if (cur->nidl == 0) in nvme_identify_ns_descs()
1386 len = nvme_process_ns_desc(ctrl, &info->ids, cur, &csi_seen); in nvme_identify_ns_descs()
1394 dev_warn(ctrl->device, "Command set not reported for nsid:%d\n", in nvme_identify_ns_descs()
1395 info->nsid); in nvme_identify_ns_descs()
1396 status = -EINVAL; in nvme_identify_ns_descs()
1410 /* gcc-4.4.4 (at least) has issues with initializers and anon unions */ in nvme_identify_ns()
1417 return -ENOMEM; in nvme_identify_ns()
1419 error = nvme_submit_sync_cmd(ctrl->admin_q, &c, *id, sizeof(**id)); in nvme_identify_ns()
1421 dev_warn(ctrl->device, "Identify namespace failed (%d)\n", error); in nvme_identify_ns()
1426 if ((*id)->ncap == 0) /* namespace not allocated or attached */ in nvme_identify_ns()
1438 struct nvme_ns_ids *ids = &info->ids; in nvme_ns_info_from_identify()
1442 ret = nvme_identify_ns(ctrl, info->nsid, &id); in nvme_ns_info_from_identify()
1445 info->anagrpid = id->anagrpid; in nvme_ns_info_from_identify()
1446 info->is_shared = id->nmic & NVME_NS_NMIC_SHARED; in nvme_ns_info_from_identify()
1447 info->is_readonly = id->nsattr & NVME_NS_ATTR_RO; in nvme_ns_info_from_identify()
1448 info->is_ready = true; in nvme_ns_info_from_identify()
1449 if (ctrl->quirks & NVME_QUIRK_BOGUS_NID) { in nvme_ns_info_from_identify()
1450 dev_info(ctrl->device, in nvme_ns_info_from_identify()
1453 if (ctrl->vs >= NVME_VS(1, 1, 0) && in nvme_ns_info_from_identify()
1454 !memchr_inv(ids->eui64, 0, sizeof(ids->eui64))) in nvme_ns_info_from_identify()
1455 memcpy(ids->eui64, id->eui64, sizeof(ids->eui64)); in nvme_ns_info_from_identify()
1456 if (ctrl->vs >= NVME_VS(1, 2, 0) && in nvme_ns_info_from_identify()
1457 !memchr_inv(ids->nguid, 0, sizeof(ids->nguid))) in nvme_ns_info_from_identify()
1458 memcpy(ids->nguid, id->nguid, sizeof(ids->nguid)); in nvme_ns_info_from_identify()
1470 .identify.nsid = cpu_to_le32(info->nsid), in nvme_ns_info_from_id_cs_indep()
1477 return -ENOMEM; in nvme_ns_info_from_id_cs_indep()
1479 ret = nvme_submit_sync_cmd(ctrl->admin_q, &c, id, sizeof(*id)); in nvme_ns_info_from_id_cs_indep()
1481 info->anagrpid = id->anagrpid; in nvme_ns_info_from_id_cs_indep()
1482 info->is_shared = id->nmic & NVME_NS_NMIC_SHARED; in nvme_ns_info_from_id_cs_indep()
1483 info->is_readonly = id->nsattr & NVME_NS_ATTR_RO; in nvme_ns_info_from_id_cs_indep()
1484 info->is_ready = id->nstat & NVME_NSTAT_NRDY; in nvme_ns_info_from_id_cs_indep()
1501 ret = __nvme_submit_sync_cmd(dev->admin_q, &c, &res, in nvme_features()
1528 u32 q_count = (*count - 1) | ((*count - 1) << 16); in nvme_set_queue_count()
1543 dev_err(ctrl->device, "Could not set queue count (%d)\n", status); in nvme_set_queue_count()
1560 u32 result, supported_aens = ctrl->oaes & NVME_AEN_SUPPORTED; in nvme_enable_aen()
1569 dev_warn(ctrl->device, "Failed to configure AEN (cfg %x)\n", in nvme_enable_aen()
1572 queue_work(nvme_wq, &ctrl->async_event_work); in nvme_enable_aen()
1579 if (WARN_ON_ONCE(nvme_ns_head_multipath(ns->head))) in nvme_ns_open()
1583 if (!try_module_get(ns->ctrl->ops->module)) in nvme_ns_open()
1591 return -ENXIO; in nvme_ns_open()
1597 module_put(ns->ctrl->ops->module); in nvme_ns_release()
1603 return nvme_ns_open(bdev->bd_disk->private_data); in nvme_open()
1608 nvme_ns_release(disk->private_data); in nvme_release()
1614 geo->heads = 1 << 6; in nvme_getgeo()
1615 geo->sectors = 1 << 5; in nvme_getgeo()
1616 geo->cylinders = get_capacity(bdev->bd_disk) >> 11; in nvme_getgeo()
1626 switch (ns->pi_type) { in nvme_init_integrity()
1628 switch (ns->guard_type) { in nvme_init_integrity()
1630 integrity.profile = &t10_pi_type3_crc; in nvme_init_integrity()
1635 integrity.profile = &ext_pi_type3_crc64; in nvme_init_integrity()
1640 integrity.profile = NULL; in nvme_init_integrity()
1646 switch (ns->guard_type) { in nvme_init_integrity()
1648 integrity.profile = &t10_pi_type1_crc; in nvme_init_integrity()
1653 integrity.profile = &ext_pi_type1_crc64; in nvme_init_integrity()
1658 integrity.profile = NULL; in nvme_init_integrity()
1663 integrity.profile = NULL; in nvme_init_integrity()
1667 integrity.tuple_size = ns->ms; in nvme_init_integrity()
1669 blk_queue_max_integrity_segments(disk->queue, max_integrity_segments); in nvme_init_integrity()
1680 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_config_discard()
1681 struct request_queue *queue = disk->queue; in nvme_config_discard()
1684 if (ctrl->max_discard_sectors == 0) { in nvme_config_discard()
1692 queue->limits.discard_granularity = size; in nvme_config_discard()
1695 if (queue->limits.max_discard_sectors) in nvme_config_discard()
1698 if (ctrl->dmrsl && ctrl->dmrsl <= nvme_sect_to_lba(ns, UINT_MAX)) in nvme_config_discard()
1699 ctrl->max_discard_sectors = nvme_lba_to_sect(ns, ctrl->dmrsl); in nvme_config_discard()
1701 blk_queue_max_discard_sectors(queue, ctrl->max_discard_sectors); in nvme_config_discard()
1702 blk_queue_max_discard_segments(queue, ctrl->max_discard_segments); in nvme_config_discard()
1704 if (ctrl->quirks & NVME_QUIRK_DEALLOCATE_ZEROES) in nvme_config_discard()
1710 return uuid_equal(&a->uuid, &b->uuid) && in nvme_ns_ids_equal()
1711 memcmp(&a->nguid, &b->nguid, sizeof(a->nguid)) == 0 && in nvme_ns_ids_equal()
1712 memcmp(&a->eui64, &b->eui64, sizeof(a->eui64)) == 0 && in nvme_ns_ids_equal()
1713 a->csi == b->csi; in nvme_ns_ids_equal()
1718 bool first = id->dps & NVME_NS_DPS_PI_FIRST; in nvme_init_ms()
1719 unsigned lbaf = nvme_lbaf_index(id->flbas); in nvme_init_ms()
1720 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_init_ms()
1726 ns->pi_size = 0; in nvme_init_ms()
1727 ns->ms = le16_to_cpu(id->lbaf[lbaf].ms); in nvme_init_ms()
1728 if (!(ctrl->ctratt & NVME_CTRL_ATTR_ELBAS)) { in nvme_init_ms()
1729 ns->pi_size = sizeof(struct t10_pi_tuple); in nvme_init_ms()
1730 ns->guard_type = NVME_NVM_NS_16B_GUARD; in nvme_init_ms()
1736 return -ENOMEM; in nvme_init_ms()
1739 c.identify.nsid = cpu_to_le32(ns->head->ns_id); in nvme_init_ms()
1743 ret = nvme_submit_sync_cmd(ns->ctrl->admin_q, &c, nvm, sizeof(*nvm)); in nvme_init_ms()
1747 elbaf = le32_to_cpu(nvm->elbaf[lbaf]); in nvme_init_ms()
1753 ns->guard_type = nvme_elbaf_guard_type(elbaf); in nvme_init_ms()
1754 switch (ns->guard_type) { in nvme_init_ms()
1756 ns->pi_size = sizeof(struct crc64_pi_tuple); in nvme_init_ms()
1759 ns->pi_size = sizeof(struct t10_pi_tuple); in nvme_init_ms()
1768 if (ns->pi_size && (first || ns->ms == ns->pi_size)) in nvme_init_ms()
1769 ns->pi_type = id->dps & NVME_NS_DPS_PI_MASK; in nvme_init_ms()
1771 ns->pi_type = 0; in nvme_init_ms()
1778 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_configure_metadata()
1783 ns->features &= ~(NVME_NS_METADATA_SUPPORTED | NVME_NS_EXT_LBAS); in nvme_configure_metadata()
1784 if (!ns->ms || !(ctrl->ops->flags & NVME_F_METADATA_SUPPORTED)) in nvme_configure_metadata()
1787 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_configure_metadata()
1793 if (WARN_ON_ONCE(!(id->flbas & NVME_NS_FLBAS_META_EXT))) in nvme_configure_metadata()
1796 ns->features |= NVME_NS_EXT_LBAS; in nvme_configure_metadata()
1807 if (ctrl->max_integrity_segments && nvme_ns_has_pi(ns)) in nvme_configure_metadata()
1808 ns->features |= NVME_NS_METADATA_SUPPORTED; in nvme_configure_metadata()
1816 if (id->flbas & NVME_NS_FLBAS_META_EXT) in nvme_configure_metadata()
1817 ns->features |= NVME_NS_EXT_LBAS; in nvme_configure_metadata()
1819 ns->features |= NVME_NS_METADATA_SUPPORTED; in nvme_configure_metadata()
1826 bool vwc = ctrl->vwc & NVME_CTRL_VWC_PRESENT; in nvme_set_queue_limits()
1828 if (ctrl->max_hw_sectors) { in nvme_set_queue_limits()
1830 (ctrl->max_hw_sectors / (NVME_CTRL_PAGE_SIZE >> 9)) + 1; in nvme_set_queue_limits()
1832 max_segments = min_not_zero(max_segments, ctrl->max_segments); in nvme_set_queue_limits()
1833 blk_queue_max_hw_sectors(q, ctrl->max_hw_sectors); in nvme_set_queue_limits()
1836 blk_queue_virt_boundary(q, NVME_CTRL_PAGE_SIZE - 1); in nvme_set_queue_limits()
1844 sector_t capacity = nvme_lba_to_sect(ns, le64_to_cpu(id->nsze)); in nvme_update_disk_info()
1845 unsigned short bs = 1 << ns->lba_shift; in nvme_update_disk_info()
1852 if (ns->lba_shift > PAGE_SHIFT) { in nvme_update_disk_info()
1860 if (id->nabo == 0) { in nvme_update_disk_info()
1866 if (id->nsfeat & NVME_NS_FEAT_ATOMICS && id->nawupf) in nvme_update_disk_info()
1867 atomic_bs = (1 + le16_to_cpu(id->nawupf)) * bs; in nvme_update_disk_info()
1869 atomic_bs = (1 + ns->ctrl->subsys->awupf) * bs; in nvme_update_disk_info()
1872 if (id->nsfeat & NVME_NS_FEAT_IO_OPT) { in nvme_update_disk_info()
1874 phys_bs = bs * (1 + le16_to_cpu(id->npwg)); in nvme_update_disk_info()
1876 io_opt = bs * (1 + le16_to_cpu(id->nows)); in nvme_update_disk_info()
1879 blk_queue_logical_block_size(disk->queue, bs); in nvme_update_disk_info()
1885 blk_queue_physical_block_size(disk->queue, min(phys_bs, atomic_bs)); in nvme_update_disk_info()
1886 blk_queue_io_min(disk->queue, phys_bs); in nvme_update_disk_info()
1887 blk_queue_io_opt(disk->queue, io_opt); in nvme_update_disk_info()
1890 * Register a metadata profile for PI, or the plain non-integrity NVMe in nvme_update_disk_info()
1895 if (ns->ms) { in nvme_update_disk_info()
1897 (ns->features & NVME_NS_METADATA_SUPPORTED)) in nvme_update_disk_info()
1899 ns->ctrl->max_integrity_segments); in nvme_update_disk_info()
1907 blk_queue_max_write_zeroes_sectors(disk->queue, in nvme_update_disk_info()
1908 ns->ctrl->max_zeroes_sectors); in nvme_update_disk_info()
1913 return info->is_readonly || test_bit(NVME_NS_FORCE_RO, &ns->flags); in nvme_ns_is_readonly()
1924 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_set_chunk_sectors()
1927 if ((ctrl->quirks & NVME_QUIRK_STRIPE_SIZE) && in nvme_set_chunk_sectors()
1928 is_power_of_2(ctrl->max_hw_sectors)) in nvme_set_chunk_sectors()
1929 iob = ctrl->max_hw_sectors; in nvme_set_chunk_sectors()
1931 iob = nvme_lba_to_sect(ns, le16_to_cpu(id->noiob)); in nvme_set_chunk_sectors()
1937 if (nvme_first_scan(ns->disk)) in nvme_set_chunk_sectors()
1939 ns->disk->disk_name, iob); in nvme_set_chunk_sectors()
1943 if (blk_queue_is_zoned(ns->disk->queue)) { in nvme_set_chunk_sectors()
1944 if (nvme_first_scan(ns->disk)) in nvme_set_chunk_sectors()
1946 ns->disk->disk_name); in nvme_set_chunk_sectors()
1950 blk_queue_chunk_sectors(ns->queue, iob); in nvme_set_chunk_sectors()
1956 blk_mq_freeze_queue(ns->disk->queue); in nvme_update_ns_info_generic()
1957 nvme_set_queue_limits(ns->ctrl, ns->queue); in nvme_update_ns_info_generic()
1958 set_disk_ro(ns->disk, nvme_ns_is_readonly(ns, info)); in nvme_update_ns_info_generic()
1959 blk_mq_unfreeze_queue(ns->disk->queue); in nvme_update_ns_info_generic()
1961 if (nvme_ns_head_multipath(ns->head)) { in nvme_update_ns_info_generic()
1962 blk_mq_freeze_queue(ns->head->disk->queue); in nvme_update_ns_info_generic()
1963 set_disk_ro(ns->head->disk, nvme_ns_is_readonly(ns, info)); in nvme_update_ns_info_generic()
1965 blk_stack_limits(&ns->head->disk->queue->limits, in nvme_update_ns_info_generic()
1966 &ns->queue->limits, 0); in nvme_update_ns_info_generic()
1967 ns->head->disk->flags |= GENHD_FL_HIDDEN; in nvme_update_ns_info_generic()
1968 blk_mq_unfreeze_queue(ns->head->disk->queue); in nvme_update_ns_info_generic()
1971 /* Hide the block-interface for these devices */ in nvme_update_ns_info_generic()
1972 ns->disk->flags |= GENHD_FL_HIDDEN; in nvme_update_ns_info_generic()
1973 set_bit(NVME_NS_READY, &ns->flags); in nvme_update_ns_info_generic()
1985 ret = nvme_identify_ns(ns->ctrl, info->nsid, &id); in nvme_update_ns_info_block()
1989 blk_mq_freeze_queue(ns->disk->queue); in nvme_update_ns_info_block()
1990 lbaf = nvme_lbaf_index(id->flbas); in nvme_update_ns_info_block()
1991 ns->lba_shift = id->lbaf[lbaf].ds; in nvme_update_ns_info_block()
1992 nvme_set_queue_limits(ns->ctrl, ns->queue); in nvme_update_ns_info_block()
1996 nvme_update_disk_info(ns->disk, ns, id); in nvme_update_ns_info_block()
1998 if (ns->head->ids.csi == NVME_CSI_ZNS) { in nvme_update_ns_info_block()
2001 blk_mq_unfreeze_queue(ns->disk->queue); in nvme_update_ns_info_block()
2006 set_disk_ro(ns->disk, nvme_ns_is_readonly(ns, info)); in nvme_update_ns_info_block()
2007 set_bit(NVME_NS_READY, &ns->flags); in nvme_update_ns_info_block()
2008 blk_mq_unfreeze_queue(ns->disk->queue); in nvme_update_ns_info_block()
2010 if (blk_queue_is_zoned(ns->queue)) { in nvme_update_ns_info_block()
2012 if (ret && !nvme_first_scan(ns->disk)) in nvme_update_ns_info_block()
2016 if (nvme_ns_head_multipath(ns->head)) { in nvme_update_ns_info_block()
2017 blk_mq_freeze_queue(ns->head->disk->queue); in nvme_update_ns_info_block()
2018 nvme_update_disk_info(ns->head->disk, ns, id); in nvme_update_ns_info_block()
2019 set_disk_ro(ns->head->disk, nvme_ns_is_readonly(ns, info)); in nvme_update_ns_info_block()
2021 blk_stack_limits(&ns->head->disk->queue->limits, in nvme_update_ns_info_block()
2022 &ns->queue->limits, 0); in nvme_update_ns_info_block()
2023 disk_update_readahead(ns->head->disk); in nvme_update_ns_info_block()
2024 blk_mq_unfreeze_queue(ns->head->disk->queue); in nvme_update_ns_info_block()
2033 if (ret == -ENODEV) { in nvme_update_ns_info_block()
2034 ns->disk->flags |= GENHD_FL_HIDDEN; in nvme_update_ns_info_block()
2035 set_bit(NVME_NS_READY, &ns->flags); in nvme_update_ns_info_block()
2044 switch (info->ids.csi) { in nvme_update_ns_info()
2047 dev_info(ns->ctrl->device, in nvme_update_ns_info()
2049 info->nsid); in nvme_update_ns_info()
2056 dev_info(ns->ctrl->device, in nvme_update_ns_info()
2058 info->nsid, info->ids.csi); in nvme_update_ns_info()
2086 struct nvme_ns_head *head = bdev->bd_disk->private_data; in nvme_send_ns_head_pr_command()
2087 int srcu_idx = srcu_read_lock(&head->srcu); in nvme_send_ns_head_pr_command()
2089 int ret = -EWOULDBLOCK; in nvme_send_ns_head_pr_command()
2092 c->common.nsid = cpu_to_le32(ns->head->ns_id); in nvme_send_ns_head_pr_command()
2093 ret = nvme_submit_sync_cmd(ns->queue, c, data, 16); in nvme_send_ns_head_pr_command()
2095 srcu_read_unlock(&head->srcu, srcu_idx); in nvme_send_ns_head_pr_command()
2102 c->common.nsid = cpu_to_le32(ns->head->ns_id); in nvme_send_ns_pr_command()
2103 return nvme_submit_sync_cmd(ns->queue, c, data, 16); in nvme_send_ns_pr_command()
2119 bdev->bd_disk->fops == &nvme_ns_head_ops) in nvme_pr_command()
2121 return nvme_send_ns_pr_command(bdev->bd_disk->private_data, &c, data); in nvme_pr_command()
2130 return -EOPNOTSUPP; in nvme_pr_register()
2144 return -EOPNOTSUPP; in nvme_pr_reserve()
2196 return __nvme_submit_sync_cmd(ctrl->admin_q, &cmd, NULL, buffer, len, in nvme_sec_submit()
2206 return nvme_ns_report_zones(disk->private_data, sector, nr_zones, cb, in nvme_report_zones()
2230 while ((ret = ctrl->ops->reg_read32(ctrl, NVME_REG_CSTS, &csts)) == 0) { in nvme_wait_ready()
2232 return -ENODEV; in nvme_wait_ready()
2238 return -EINTR; in nvme_wait_ready()
2240 dev_err(ctrl->device, in nvme_wait_ready()
2243 return -ENODEV; in nvme_wait_ready()
2260 ctrl->ctrl_config &= ~NVME_CC_SHN_MASK; in nvme_disable_ctrl()
2261 ctrl->ctrl_config &= ~NVME_CC_ENABLE; in nvme_disable_ctrl()
2263 ret = ctrl->ops->reg_write32(ctrl, NVME_REG_CC, ctrl->ctrl_config); in nvme_disable_ctrl()
2267 if (ctrl->quirks & NVME_QUIRK_DELAY_BEFORE_CHK_RDY) in nvme_disable_ctrl()
2270 return nvme_wait_ready(ctrl, NVME_CAP_TIMEOUT(ctrl->cap), false); in nvme_disable_ctrl()
2280 ret = ctrl->ops->reg_read64(ctrl, NVME_REG_CAP, &ctrl->cap); in nvme_enable_ctrl()
2282 dev_err(ctrl->device, "Reading CAP failed (%d)\n", ret); in nvme_enable_ctrl()
2285 dev_page_min = NVME_CAP_MPSMIN(ctrl->cap) + 12; in nvme_enable_ctrl()
2288 dev_err(ctrl->device, in nvme_enable_ctrl()
2291 return -ENODEV; in nvme_enable_ctrl()
2294 if (NVME_CAP_CSS(ctrl->cap) & NVME_CAP_CSS_CSI) in nvme_enable_ctrl()
2295 ctrl->ctrl_config = NVME_CC_CSS_CSI; in nvme_enable_ctrl()
2297 ctrl->ctrl_config = NVME_CC_CSS_NVM; in nvme_enable_ctrl()
2299 if (ctrl->cap & NVME_CAP_CRMS_CRWMS) { in nvme_enable_ctrl()
2302 ret = ctrl->ops->reg_read32(ctrl, NVME_REG_CRTO, &crto); in nvme_enable_ctrl()
2304 dev_err(ctrl->device, "Reading CRTO failed (%d)\n", in nvme_enable_ctrl()
2309 if (ctrl->cap & NVME_CAP_CRMS_CRIMS) { in nvme_enable_ctrl()
2310 ctrl->ctrl_config |= NVME_CC_CRIME; in nvme_enable_ctrl()
2316 timeout = NVME_CAP_TIMEOUT(ctrl->cap); in nvme_enable_ctrl()
2319 ctrl->ctrl_config |= (NVME_CTRL_PAGE_SHIFT - 12) << NVME_CC_MPS_SHIFT; in nvme_enable_ctrl()
2320 ctrl->ctrl_config |= NVME_CC_AMS_RR | NVME_CC_SHN_NONE; in nvme_enable_ctrl()
2321 ctrl->ctrl_config |= NVME_CC_IOSQES | NVME_CC_IOCQES; in nvme_enable_ctrl()
2322 ret = ctrl->ops->reg_write32(ctrl, NVME_REG_CC, ctrl->ctrl_config); in nvme_enable_ctrl()
2327 ret = ctrl->ops->reg_read32(ctrl, NVME_REG_CC, &ctrl->ctrl_config); in nvme_enable_ctrl()
2331 ctrl->ctrl_config |= NVME_CC_ENABLE; in nvme_enable_ctrl()
2332 ret = ctrl->ops->reg_write32(ctrl, NVME_REG_CC, ctrl->ctrl_config); in nvme_enable_ctrl()
2341 unsigned long timeout = jiffies + (ctrl->shutdown_timeout * HZ); in nvme_shutdown_ctrl()
2345 ctrl->ctrl_config &= ~NVME_CC_SHN_MASK; in nvme_shutdown_ctrl()
2346 ctrl->ctrl_config |= NVME_CC_SHN_NORMAL; in nvme_shutdown_ctrl()
2348 ret = ctrl->ops->reg_write32(ctrl, NVME_REG_CC, ctrl->ctrl_config); in nvme_shutdown_ctrl()
2352 while ((ret = ctrl->ops->reg_read32(ctrl, NVME_REG_CSTS, &csts)) == 0) { in nvme_shutdown_ctrl()
2358 return -EINTR; in nvme_shutdown_ctrl()
2360 dev_err(ctrl->device, in nvme_shutdown_ctrl()
2362 return -ENODEV; in nvme_shutdown_ctrl()
2375 if (!(ctrl->oncs & NVME_CTRL_ONCS_TIMESTAMP)) in nvme_configure_timestamp()
2382 dev_warn_once(ctrl->device, in nvme_configure_timestamp()
2394 if (ctrl->crdt[0]) in nvme_configure_host_options()
2396 if (ctrl->ctratt & NVME_CTRL_ATTR_ELBAS) in nvme_configure_host_options()
2406 host->acre = acre; in nvme_configure_host_options()
2407 host->lbafee = lbafee; in nvme_configure_host_options()
2449 * - If the parameters provide explicit timeouts and tolerances, they will be
2450 * used to build a table with up to 2 non-operational states to transition to.
2454 * and battery power, the timeouts and tolerances reflect a compromise
2455 * between values used by Microsoft for AC and battery scenarios.
2456 * - If not, we'll configure the table with a simple heuristic: we are willing
2459 * lower-power non-operational state after waiting 50 * (enlat + exlat)
2463 * We will not autonomously enter any non-operational state for which the total
2474 int max_ps = -1; in nvme_configure_apst()
2483 if (!ctrl->apsta) in nvme_configure_apst()
2486 if (ctrl->npss > 31) { in nvme_configure_apst()
2487 dev_warn(ctrl->device, "NPSS is invalid; not using APST\n"); in nvme_configure_apst()
2495 if (!ctrl->apst_enabled || ctrl->ps_max_latency_us == 0) { in nvme_configure_apst()
2497 dev_dbg(ctrl->device, "APST disabled\n"); in nvme_configure_apst()
2502 * Walk through all states from lowest- to highest-power. in nvme_configure_apst()
2503 * According to the spec, lower-numbered states use more power. NPSS, in nvme_configure_apst()
2504 * despite the name, is the index of the lowest-power state, not the in nvme_configure_apst()
2507 for (state = (int)ctrl->npss; state >= 0; state--) { in nvme_configure_apst()
2511 table->entries[state] = target; in nvme_configure_apst()
2517 if (state == ctrl->npss && in nvme_configure_apst()
2518 (ctrl->quirks & NVME_QUIRK_NO_DEEPEST_PS)) in nvme_configure_apst()
2522 * Is this state a useful non-operational state for higher-power in nvme_configure_apst()
2525 if (!(ctrl->psd[state].flags & NVME_PS_FLAGS_NON_OP_STATE)) in nvme_configure_apst()
2528 exit_latency_us = (u64)le32_to_cpu(ctrl->psd[state].exit_lat); in nvme_configure_apst()
2529 if (exit_latency_us > ctrl->ps_max_latency_us) in nvme_configure_apst()
2533 le32_to_cpu(ctrl->psd[state].entry_lat); in nvme_configure_apst()
2546 if (transition_ms > (1 << 24) - 1) in nvme_configure_apst()
2547 transition_ms = (1 << 24) - 1; in nvme_configure_apst()
2551 if (max_ps == -1) in nvme_configure_apst()
2557 if (max_ps == -1) in nvme_configure_apst()
2558 dev_dbg(ctrl->device, "APST enabled but no non-operational states are available\n"); in nvme_configure_apst()
2560 …dev_dbg(ctrl->device, "APST enabled: max PS = %d, max round-trip latency = %lluus, table = %*phN\n… in nvme_configure_apst()
2568 dev_err(ctrl->device, "failed to set APST feature (%d)\n", ret); in nvme_configure_apst()
2588 if (ctrl->ps_max_latency_us != latency) { in nvme_set_latency_tolerance()
2589 ctrl->ps_max_latency_us = latency; in nvme_set_latency_tolerance()
2590 if (ctrl->state == NVME_CTRL_LIVE) in nvme_set_latency_tolerance()
2619 * This LiteON CL1-3D*-Q11 firmware version has a race
2629 * This Kioxia CD6-V Series / HPE PE8030 device times out and
2634 * to use "nvme set-feature" to disable APST, but booting with
2657 /* match is null-terminated but idstr is space-padded. */
2681 return q->vid == le16_to_cpu(id->vid) && in quirk_matches()
2682 string_matches(id->mn, q->mn, sizeof(id->mn)) && in quirk_matches()
2683 string_matches(id->fr, q->fr, sizeof(id->fr)); in quirk_matches()
2692 if(!(ctrl->quirks & NVME_QUIRK_IGNORE_DEV_SUBNQN)) { in nvme_init_subnqn()
2693 nqnlen = strnlen(id->subnqn, NVMF_NQN_SIZE); in nvme_init_subnqn()
2695 strscpy(subsys->subnqn, id->subnqn, NVMF_NQN_SIZE); in nvme_init_subnqn()
2699 if (ctrl->vs >= NVME_VS(1, 2, 1)) in nvme_init_subnqn()
2700 dev_warn(ctrl->device, "missing or invalid SUBNQN field.\n"); in nvme_init_subnqn()
2708 off = snprintf(subsys->subnqn, NVMF_NQN_SIZE, in nvme_init_subnqn()
2710 le16_to_cpu(id->vid), le16_to_cpu(id->ssvid)); in nvme_init_subnqn()
2711 memcpy(subsys->subnqn + off, id->sn, sizeof(id->sn)); in nvme_init_subnqn()
2712 off += sizeof(id->sn); in nvme_init_subnqn()
2713 memcpy(subsys->subnqn + off, id->mn, sizeof(id->mn)); in nvme_init_subnqn()
2714 off += sizeof(id->mn); in nvme_init_subnqn()
2715 memset(subsys->subnqn + off, 0, sizeof(subsys->subnqn) - off); in nvme_init_subnqn()
2723 if (subsys->instance >= 0) in nvme_release_subsystem()
2724 ida_free(&nvme_instance_ida, subsys->instance); in nvme_release_subsystem()
2734 list_del(&subsys->entry); in nvme_destroy_subsystem()
2737 ida_destroy(&subsys->ns_ida); in nvme_destroy_subsystem()
2738 device_del(&subsys->dev); in nvme_destroy_subsystem()
2739 put_device(&subsys->dev); in nvme_destroy_subsystem()
2744 kref_put(&subsys->ref, nvme_destroy_subsystem); in nvme_put_subsystem()
2765 if (strcmp(subsys->subnqn, subsysnqn)) in __nvme_find_get_subsystem()
2767 if (!kref_get_unless_zero(&subsys->ref)) in __nvme_find_get_subsystem()
2786 return sysfs_emit(buf, "%s\n", subsys->subnqn); in nvme_subsys_show_nqn()
2797 switch (subsys->subtype) { in nvme_subsys_show_type()
2815 (int)sizeof(subsys->field), subsys->field); \
2846 return ctrl->opts && ctrl->opts->discovery_nqn; in nvme_discovery_ctrl()
2856 list_for_each_entry(tmp, &subsys->ctrls, subsys_entry) { in nvme_validate_cntlid()
2860 if (tmp->cntlid == ctrl->cntlid) { in nvme_validate_cntlid()
2861 dev_err(ctrl->device, in nvme_validate_cntlid()
2863 ctrl->cntlid, dev_name(tmp->device), in nvme_validate_cntlid()
2864 subsys->subnqn); in nvme_validate_cntlid()
2868 if ((id->cmic & NVME_CTRL_CMIC_MULTI_CTRL) || in nvme_validate_cntlid()
2872 dev_err(ctrl->device, in nvme_validate_cntlid()
2887 return -ENOMEM; in nvme_init_subsystem()
2889 subsys->instance = -1; in nvme_init_subsystem()
2890 mutex_init(&subsys->lock); in nvme_init_subsystem()
2891 kref_init(&subsys->ref); in nvme_init_subsystem()
2892 INIT_LIST_HEAD(&subsys->ctrls); in nvme_init_subsystem()
2893 INIT_LIST_HEAD(&subsys->nsheads); in nvme_init_subsystem()
2895 memcpy(subsys->serial, id->sn, sizeof(subsys->serial)); in nvme_init_subsystem()
2896 memcpy(subsys->model, id->mn, sizeof(subsys->model)); in nvme_init_subsystem()
2897 subsys->vendor_id = le16_to_cpu(id->vid); in nvme_init_subsystem()
2898 subsys->cmic = id->cmic; in nvme_init_subsystem()
2901 if (id->cntrltype == NVME_CTRL_DISC || in nvme_init_subsystem()
2902 !strcmp(subsys->subnqn, NVME_DISC_SUBSYS_NAME)) in nvme_init_subsystem()
2903 subsys->subtype = NVME_NQN_DISC; in nvme_init_subsystem()
2905 subsys->subtype = NVME_NQN_NVME; in nvme_init_subsystem()
2907 if (nvme_discovery_ctrl(ctrl) && subsys->subtype != NVME_NQN_DISC) { in nvme_init_subsystem()
2908 dev_err(ctrl->device, in nvme_init_subsystem()
2910 subsys->subnqn); in nvme_init_subsystem()
2912 return -EINVAL; in nvme_init_subsystem()
2914 subsys->awupf = le16_to_cpu(id->awupf); in nvme_init_subsystem()
2917 subsys->dev.class = nvme_subsys_class; in nvme_init_subsystem()
2918 subsys->dev.release = nvme_release_subsystem; in nvme_init_subsystem()
2919 subsys->dev.groups = nvme_subsys_attrs_groups; in nvme_init_subsystem()
2920 dev_set_name(&subsys->dev, "nvme-subsys%d", ctrl->instance); in nvme_init_subsystem()
2921 device_initialize(&subsys->dev); in nvme_init_subsystem()
2924 found = __nvme_find_get_subsystem(subsys->subnqn); in nvme_init_subsystem()
2926 put_device(&subsys->dev); in nvme_init_subsystem()
2930 ret = -EINVAL; in nvme_init_subsystem()
2934 ret = device_add(&subsys->dev); in nvme_init_subsystem()
2936 dev_err(ctrl->device, in nvme_init_subsystem()
2938 put_device(&subsys->dev); in nvme_init_subsystem()
2941 ida_init(&subsys->ns_ida); in nvme_init_subsystem()
2942 list_add_tail(&subsys->entry, &nvme_subsystems); in nvme_init_subsystem()
2945 ret = sysfs_create_link(&subsys->dev.kobj, &ctrl->device->kobj, in nvme_init_subsystem()
2946 dev_name(ctrl->device)); in nvme_init_subsystem()
2948 dev_err(ctrl->device, in nvme_init_subsystem()
2954 subsys->instance = ctrl->instance; in nvme_init_subsystem()
2955 ctrl->subsys = subsys; in nvme_init_subsystem()
2956 list_add_tail(&ctrl->subsys_entry, &subsys->ctrls); in nvme_init_subsystem()
2977 c.get_log_page.numdl = cpu_to_le16(dwlen & ((1 << 16) - 1)); in nvme_get_log()
2983 return nvme_submit_sync_cmd(ctrl->admin_q, &c, log, size); in nvme_get_log()
2989 struct nvme_effects_log *cel = xa_load(&ctrl->cels, csi); in nvme_get_effects_log()
2997 return -ENOMEM; in nvme_get_effects_log()
3006 xa_store(&ctrl->cels, csi, cel, GFP_KERNEL); in nvme_get_effects_log()
3014 u32 page_shift = NVME_CAP_MPSMIN(ctrl->cap) + 12, val; in nvme_mps_to_sectors()
3016 if (check_shl_overflow(1U, units + page_shift - 9, &val)) in nvme_mps_to_sectors()
3027 if (ctrl->oncs & NVME_CTRL_ONCS_DSM) { in nvme_init_non_mdts_limits()
3028 ctrl->max_discard_sectors = UINT_MAX; in nvme_init_non_mdts_limits()
3029 ctrl->max_discard_segments = NVME_DSM_MAX_RANGES; in nvme_init_non_mdts_limits()
3031 ctrl->max_discard_sectors = 0; in nvme_init_non_mdts_limits()
3032 ctrl->max_discard_segments = 0; in nvme_init_non_mdts_limits()
3037 * to the write-zeroes, we are cautious and limit the size to the in nvme_init_non_mdts_limits()
3041 if ((ctrl->oncs & NVME_CTRL_ONCS_WRITE_ZEROES) && in nvme_init_non_mdts_limits()
3042 !(ctrl->quirks & NVME_QUIRK_DISABLE_WRITE_ZEROES)) in nvme_init_non_mdts_limits()
3043 ctrl->max_zeroes_sectors = ctrl->max_hw_sectors; in nvme_init_non_mdts_limits()
3045 ctrl->max_zeroes_sectors = 0; in nvme_init_non_mdts_limits()
3058 ret = nvme_submit_sync_cmd(ctrl->admin_q, &c, id, sizeof(*id)); in nvme_init_non_mdts_limits()
3062 if (id->dmrl) in nvme_init_non_mdts_limits()
3063 ctrl->max_discard_segments = id->dmrl; in nvme_init_non_mdts_limits()
3064 ctrl->dmrsl = le32_to_cpu(id->dmrsl); in nvme_init_non_mdts_limits()
3065 if (id->wzsl) in nvme_init_non_mdts_limits()
3066 ctrl->max_zeroes_sectors = nvme_mps_to_sectors(ctrl, id->wzsl); in nvme_init_non_mdts_limits()
3082 dev_err(ctrl->device, "Identify Controller failed (%d)\n", ret); in nvme_init_identify()
3083 return -EIO; in nvme_init_identify()
3086 if (id->lpa & NVME_CTRL_LPA_CMD_EFFECTS_LOG) { in nvme_init_identify()
3087 ret = nvme_get_effects_log(ctrl, NVME_CSI_NVM, &ctrl->effects); in nvme_init_identify()
3092 if (!(ctrl->ops->flags & NVME_F_FABRICS)) in nvme_init_identify()
3093 ctrl->cntlid = le16_to_cpu(id->cntlid); in nvme_init_identify()
3095 if (!ctrl->identified) { in nvme_init_identify()
3102 * could re-scan for quirks every time we reinitialize in nvme_init_identify()
3108 ctrl->quirks |= core_quirks[i].quirks; in nvme_init_identify()
3115 memcpy(ctrl->subsys->firmware_rev, id->fr, in nvme_init_identify()
3116 sizeof(ctrl->subsys->firmware_rev)); in nvme_init_identify()
3118 if (force_apst && (ctrl->quirks & NVME_QUIRK_NO_DEEPEST_PS)) { in nvme_init_identify()
3119 …dev_warn(ctrl->device, "forcibly allowing all power states due to nvme_core.force_apst -- use at y… in nvme_init_identify()
3120 ctrl->quirks &= ~NVME_QUIRK_NO_DEEPEST_PS; in nvme_init_identify()
3123 ctrl->crdt[0] = le16_to_cpu(id->crdt1); in nvme_init_identify()
3124 ctrl->crdt[1] = le16_to_cpu(id->crdt2); in nvme_init_identify()
3125 ctrl->crdt[2] = le16_to_cpu(id->crdt3); in nvme_init_identify()
3127 ctrl->oacs = le16_to_cpu(id->oacs); in nvme_init_identify()
3128 ctrl->oncs = le16_to_cpu(id->oncs); in nvme_init_identify()
3129 ctrl->mtfa = le16_to_cpu(id->mtfa); in nvme_init_identify()
3130 ctrl->oaes = le32_to_cpu(id->oaes); in nvme_init_identify()
3131 ctrl->wctemp = le16_to_cpu(id->wctemp); in nvme_init_identify()
3132 ctrl->cctemp = le16_to_cpu(id->cctemp); in nvme_init_identify()
3134 atomic_set(&ctrl->abort_limit, id->acl + 1); in nvme_init_identify()
3135 ctrl->vwc = id->vwc; in nvme_init_identify()
3136 if (id->mdts) in nvme_init_identify()
3137 max_hw_sectors = nvme_mps_to_sectors(ctrl, id->mdts); in nvme_init_identify()
3140 ctrl->max_hw_sectors = in nvme_init_identify()
3141 min_not_zero(ctrl->max_hw_sectors, max_hw_sectors); in nvme_init_identify()
3143 nvme_set_queue_limits(ctrl, ctrl->admin_q); in nvme_init_identify()
3144 ctrl->sgls = le32_to_cpu(id->sgls); in nvme_init_identify()
3145 ctrl->kas = le16_to_cpu(id->kas); in nvme_init_identify()
3146 ctrl->max_namespaces = le32_to_cpu(id->mnan); in nvme_init_identify()
3147 ctrl->ctratt = le32_to_cpu(id->ctratt); in nvme_init_identify()
3149 ctrl->cntrltype = id->cntrltype; in nvme_init_identify()
3150 ctrl->dctype = id->dctype; in nvme_init_identify()
3152 if (id->rtd3e) { in nvme_init_identify()
3153 /* us -> s */ in nvme_init_identify()
3154 u32 transition_time = le32_to_cpu(id->rtd3e) / USEC_PER_SEC; in nvme_init_identify()
3156 ctrl->shutdown_timeout = clamp_t(unsigned int, transition_time, in nvme_init_identify()
3159 if (ctrl->shutdown_timeout != shutdown_timeout) in nvme_init_identify()
3160 dev_info(ctrl->device, in nvme_init_identify()
3162 ctrl->shutdown_timeout); in nvme_init_identify()
3164 ctrl->shutdown_timeout = shutdown_timeout; in nvme_init_identify()
3166 ctrl->npss = id->npss; in nvme_init_identify()
3167 ctrl->apsta = id->apsta; in nvme_init_identify()
3168 prev_apst_enabled = ctrl->apst_enabled; in nvme_init_identify()
3169 if (ctrl->quirks & NVME_QUIRK_NO_APST) { in nvme_init_identify()
3170 if (force_apst && id->apsta) { in nvme_init_identify()
3171 …dev_warn(ctrl->device, "forcibly allowing APST due to nvme_core.force_apst -- use at your own risk… in nvme_init_identify()
3172 ctrl->apst_enabled = true; in nvme_init_identify()
3174 ctrl->apst_enabled = false; in nvme_init_identify()
3177 ctrl->apst_enabled = id->apsta; in nvme_init_identify()
3179 memcpy(ctrl->psd, id->psd, sizeof(ctrl->psd)); in nvme_init_identify()
3181 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_init_identify()
3182 ctrl->icdoff = le16_to_cpu(id->icdoff); in nvme_init_identify()
3183 ctrl->ioccsz = le32_to_cpu(id->ioccsz); in nvme_init_identify()
3184 ctrl->iorcsz = le32_to_cpu(id->iorcsz); in nvme_init_identify()
3185 ctrl->maxcmd = le16_to_cpu(id->maxcmd); in nvme_init_identify()
3191 if (ctrl->cntlid != le16_to_cpu(id->cntlid)) { in nvme_init_identify()
3192 dev_err(ctrl->device, in nvme_init_identify()
3195 ctrl->cntlid, le16_to_cpu(id->cntlid)); in nvme_init_identify()
3196 ret = -EINVAL; in nvme_init_identify()
3200 if (!nvme_discovery_ctrl(ctrl) && !ctrl->kas) { in nvme_init_identify()
3201 dev_err(ctrl->device, in nvme_init_identify()
3202 "keep-alive support is mandatory for fabrics\n"); in nvme_init_identify()
3203 ret = -EINVAL; in nvme_init_identify()
3207 ctrl->hmpre = le32_to_cpu(id->hmpre); in nvme_init_identify()
3208 ctrl->hmmin = le32_to_cpu(id->hmmin); in nvme_init_identify()
3209 ctrl->hmminds = le32_to_cpu(id->hmminds); in nvme_init_identify()
3210 ctrl->hmmaxd = le16_to_cpu(id->hmmaxd); in nvme_init_identify()
3217 if (ctrl->apst_enabled && !prev_apst_enabled) in nvme_init_identify()
3218 dev_pm_qos_expose_latency_tolerance(ctrl->device); in nvme_init_identify()
3219 else if (!ctrl->apst_enabled && prev_apst_enabled) in nvme_init_identify()
3220 dev_pm_qos_hide_latency_tolerance(ctrl->device); in nvme_init_identify()
3236 ret = ctrl->ops->reg_read32(ctrl, NVME_REG_VS, &ctrl->vs); in nvme_init_ctrl_finish()
3238 dev_err(ctrl->device, "Reading VS failed (%d)\n", ret); in nvme_init_ctrl_finish()
3242 ctrl->sqsize = min_t(u16, NVME_CAP_MQES(ctrl->cap), ctrl->sqsize); in nvme_init_ctrl_finish()
3244 if (ctrl->vs >= NVME_VS(1, 1, 0)) in nvme_init_ctrl_finish()
3245 ctrl->subsystem = NVME_CAP_NSSRC(ctrl->cap); in nvme_init_ctrl_finish()
3263 if (!ctrl->identified && !nvme_discovery_ctrl(ctrl)) { in nvme_init_ctrl_finish()
3269 if (ret == -EINTR) in nvme_init_ctrl_finish()
3273 ctrl->identified = true; in nvme_init_ctrl_finish()
3282 container_of(inode->i_cdev, struct nvme_ctrl, cdev); in nvme_dev_open()
3284 switch (ctrl->state) { in nvme_dev_open()
3288 return -EWOULDBLOCK; in nvme_dev_open()
3292 if (!try_module_get(ctrl->ops->module)) { in nvme_dev_open()
3294 return -EINVAL; in nvme_dev_open()
3297 file->private_data = ctrl; in nvme_dev_open()
3304 container_of(inode->i_cdev, struct nvme_ctrl, cdev); in nvme_dev_release()
3306 module_put(ctrl->ops->module); in nvme_dev_release()
3349 if (disk->fops == &nvme_bdev_ops) in dev_to_ns_head()
3350 return nvme_get_ns_from_dev(dev)->head; in dev_to_ns_head()
3352 return disk->private_data; in dev_to_ns_head()
3359 struct nvme_ns_ids *ids = &head->ids; in wwid_show()
3360 struct nvme_subsystem *subsys = head->subsys; in wwid_show()
3361 int serial_len = sizeof(subsys->serial); in wwid_show()
3362 int model_len = sizeof(subsys->model); in wwid_show()
3364 if (!uuid_is_null(&ids->uuid)) in wwid_show()
3365 return sysfs_emit(buf, "uuid.%pU\n", &ids->uuid); in wwid_show()
3367 if (memchr_inv(ids->nguid, 0, sizeof(ids->nguid))) in wwid_show()
3368 return sysfs_emit(buf, "eui.%16phN\n", ids->nguid); in wwid_show()
3370 if (memchr_inv(ids->eui64, 0, sizeof(ids->eui64))) in wwid_show()
3371 return sysfs_emit(buf, "eui.%8phN\n", ids->eui64); in wwid_show()
3373 while (serial_len > 0 && (subsys->serial[serial_len - 1] == ' ' || in wwid_show()
3374 subsys->serial[serial_len - 1] == '\0')) in wwid_show()
3375 serial_len--; in wwid_show()
3376 while (model_len > 0 && (subsys->model[model_len - 1] == ' ' || in wwid_show()
3377 subsys->model[model_len - 1] == '\0')) in wwid_show()
3378 model_len--; in wwid_show()
3380 return sysfs_emit(buf, "nvme.%04x-%*phN-%*phN-%08x\n", subsys->vendor_id, in wwid_show()
3381 serial_len, subsys->serial, model_len, subsys->model, in wwid_show()
3382 head->ns_id); in wwid_show()
3389 return sysfs_emit(buf, "%pU\n", dev_to_ns_head(dev)->ids.nguid); in nguid_show()
3396 struct nvme_ns_ids *ids = &dev_to_ns_head(dev)->ids; in uuid_show()
3401 if (uuid_is_null(&ids->uuid)) { in uuid_show()
3404 return sysfs_emit(buf, "%pU\n", ids->nguid); in uuid_show()
3406 return sysfs_emit(buf, "%pU\n", &ids->uuid); in uuid_show()
3413 return sysfs_emit(buf, "%8ph\n", dev_to_ns_head(dev)->ids.eui64); in eui_show()
3420 return sysfs_emit(buf, "%d\n", dev_to_ns_head(dev)->ns_id); in nsid_show()
3441 struct nvme_ns_ids *ids = &dev_to_ns_head(dev)->ids; in nvme_ns_id_attrs_are_visible()
3444 if (uuid_is_null(&ids->uuid) && in nvme_ns_id_attrs_are_visible()
3445 !memchr_inv(ids->nguid, 0, sizeof(ids->nguid))) in nvme_ns_id_attrs_are_visible()
3449 if (!memchr_inv(ids->nguid, 0, sizeof(ids->nguid))) in nvme_ns_id_attrs_are_visible()
3453 if (!memchr_inv(ids->eui64, 0, sizeof(ids->eui64))) in nvme_ns_id_attrs_are_visible()
3458 if (dev_to_disk(dev)->fops != &nvme_bdev_ops) /* per-path attr */ in nvme_ns_id_attrs_are_visible()
3460 if (!nvme_ctrl_use_ana(nvme_get_ns_from_dev(dev)->ctrl)) in nvme_ns_id_attrs_are_visible()
3464 return a->mode; in nvme_ns_id_attrs_are_visible()
3483 (int)sizeof(ctrl->subsys->field), ctrl->subsys->field); \
3496 return sysfs_emit(buf, "%d\n", ctrl->field); \
3524 return sysfs_emit(buf, "%s\n", ctrl->ops->name); in nvme_sysfs_show_transport()
3543 if ((unsigned)ctrl->state < ARRAY_SIZE(state_name) && in nvme_sysfs_show_state()
3544 state_name[ctrl->state]) in nvme_sysfs_show_state()
3545 return sysfs_emit(buf, "%s\n", state_name[ctrl->state]); in nvme_sysfs_show_state()
3558 return sysfs_emit(buf, "%s\n", ctrl->subsys->subnqn); in nvme_sysfs_show_subsysnqn()
3568 return sysfs_emit(buf, "%s\n", ctrl->opts->host->nqn); in nvme_sysfs_show_hostnqn()
3578 return sysfs_emit(buf, "%pU\n", &ctrl->opts->host->id); in nvme_sysfs_show_hostid()
3588 return ctrl->ops->get_address(ctrl, buf, PAGE_SIZE); in nvme_sysfs_show_address()
3596 struct nvmf_ctrl_options *opts = ctrl->opts; in nvme_ctrl_loss_tmo_show()
3598 if (ctrl->opts->max_reconnects == -1) in nvme_ctrl_loss_tmo_show()
3601 opts->max_reconnects * opts->reconnect_delay); in nvme_ctrl_loss_tmo_show()
3608 struct nvmf_ctrl_options *opts = ctrl->opts; in nvme_ctrl_loss_tmo_store()
3613 return -EINVAL; in nvme_ctrl_loss_tmo_store()
3616 opts->max_reconnects = -1; in nvme_ctrl_loss_tmo_store()
3618 opts->max_reconnects = DIV_ROUND_UP(ctrl_loss_tmo, in nvme_ctrl_loss_tmo_store()
3619 opts->reconnect_delay); in nvme_ctrl_loss_tmo_store()
3630 if (ctrl->opts->reconnect_delay == -1) in nvme_ctrl_reconnect_delay_show()
3632 return sysfs_emit(buf, "%d\n", ctrl->opts->reconnect_delay); in nvme_ctrl_reconnect_delay_show()
3646 ctrl->opts->reconnect_delay = v; in nvme_ctrl_reconnect_delay_store()
3657 if (ctrl->opts->fast_io_fail_tmo == -1) in nvme_ctrl_fast_io_fail_tmo_show()
3659 return sysfs_emit(buf, "%d\n", ctrl->opts->fast_io_fail_tmo); in nvme_ctrl_fast_io_fail_tmo_show()
3666 struct nvmf_ctrl_options *opts = ctrl->opts; in nvme_ctrl_fast_io_fail_tmo_store()
3671 return -EINVAL; in nvme_ctrl_fast_io_fail_tmo_store()
3674 opts->fast_io_fail_tmo = -1; in nvme_ctrl_fast_io_fail_tmo_store()
3676 opts->fast_io_fail_tmo = fast_io_fail_tmo; in nvme_ctrl_fast_io_fail_tmo_store()
3692 if (ctrl->cntrltype > NVME_CTRL_ADMIN || !type[ctrl->cntrltype]) in cntrltype_show()
3695 return sysfs_emit(buf, type[ctrl->cntrltype]); in cntrltype_show()
3709 if (ctrl->dctype > NVME_DCTYPE_CDC || !type[ctrl->dctype]) in dctype_show()
3712 return sysfs_emit(buf, type[ctrl->dctype]); in dctype_show()
3721 struct nvmf_ctrl_options *opts = ctrl->opts; in nvme_ctrl_dhchap_secret_show()
3723 if (!opts->dhchap_secret) in nvme_ctrl_dhchap_secret_show()
3725 return sysfs_emit(buf, "%s\n", opts->dhchap_secret); in nvme_ctrl_dhchap_secret_show()
3732 struct nvmf_ctrl_options *opts = ctrl->opts; in nvme_ctrl_dhchap_secret_store()
3735 if (!ctrl->opts->dhchap_secret) in nvme_ctrl_dhchap_secret_store()
3736 return -EINVAL; in nvme_ctrl_dhchap_secret_store()
3738 return -EINVAL; in nvme_ctrl_dhchap_secret_store()
3739 if (memcmp(buf, "DHHC-1:", 7)) in nvme_ctrl_dhchap_secret_store()
3740 return -EINVAL; in nvme_ctrl_dhchap_secret_store()
3744 return -ENOMEM; in nvme_ctrl_dhchap_secret_store()
3747 if (strcmp(dhchap_secret, opts->dhchap_secret)) { in nvme_ctrl_dhchap_secret_store()
3750 ret = nvme_auth_generate_key(dhchap_secret, &ctrl->host_key); in nvme_ctrl_dhchap_secret_store()
3753 kfree(opts->dhchap_secret); in nvme_ctrl_dhchap_secret_store()
3754 opts->dhchap_secret = dhchap_secret; in nvme_ctrl_dhchap_secret_store()
3755 /* Key has changed; re-authentication with new key */ in nvme_ctrl_dhchap_secret_store()
3758 /* Start re-authentication */ in nvme_ctrl_dhchap_secret_store()
3759 dev_info(ctrl->device, "re-authenticating controller\n"); in nvme_ctrl_dhchap_secret_store()
3760 queue_work(nvme_wq, &ctrl->dhchap_auth_work); in nvme_ctrl_dhchap_secret_store()
3771 struct nvmf_ctrl_options *opts = ctrl->opts; in nvme_ctrl_dhchap_ctrl_secret_show()
3773 if (!opts->dhchap_ctrl_secret) in nvme_ctrl_dhchap_ctrl_secret_show()
3775 return sysfs_emit(buf, "%s\n", opts->dhchap_ctrl_secret); in nvme_ctrl_dhchap_ctrl_secret_show()
3782 struct nvmf_ctrl_options *opts = ctrl->opts; in nvme_ctrl_dhchap_ctrl_secret_store()
3785 if (!ctrl->opts->dhchap_ctrl_secret) in nvme_ctrl_dhchap_ctrl_secret_store()
3786 return -EINVAL; in nvme_ctrl_dhchap_ctrl_secret_store()
3788 return -EINVAL; in nvme_ctrl_dhchap_ctrl_secret_store()
3789 if (memcmp(buf, "DHHC-1:", 7)) in nvme_ctrl_dhchap_ctrl_secret_store()
3790 return -EINVAL; in nvme_ctrl_dhchap_ctrl_secret_store()
3794 return -ENOMEM; in nvme_ctrl_dhchap_ctrl_secret_store()
3797 if (strcmp(dhchap_secret, opts->dhchap_ctrl_secret)) { in nvme_ctrl_dhchap_ctrl_secret_store()
3800 ret = nvme_auth_generate_key(dhchap_secret, &ctrl->ctrl_key); in nvme_ctrl_dhchap_ctrl_secret_store()
3803 kfree(opts->dhchap_ctrl_secret); in nvme_ctrl_dhchap_ctrl_secret_store()
3804 opts->dhchap_ctrl_secret = dhchap_secret; in nvme_ctrl_dhchap_ctrl_secret_store()
3805 /* Key has changed; re-authentication with new key */ in nvme_ctrl_dhchap_ctrl_secret_store()
3808 /* Start re-authentication */ in nvme_ctrl_dhchap_ctrl_secret_store()
3809 dev_info(ctrl->device, "re-authenticating controller\n"); in nvme_ctrl_dhchap_ctrl_secret_store()
3810 queue_work(nvme_wq, &ctrl->dhchap_auth_work); in nvme_ctrl_dhchap_ctrl_secret_store()
3854 if (a == &dev_attr_delete_controller.attr && !ctrl->ops->delete_ctrl) in nvme_dev_attrs_are_visible()
3856 if (a == &dev_attr_address.attr && !ctrl->ops->get_address) in nvme_dev_attrs_are_visible()
3858 if (a == &dev_attr_hostnqn.attr && !ctrl->opts) in nvme_dev_attrs_are_visible()
3860 if (a == &dev_attr_hostid.attr && !ctrl->opts) in nvme_dev_attrs_are_visible()
3862 if (a == &dev_attr_ctrl_loss_tmo.attr && !ctrl->opts) in nvme_dev_attrs_are_visible()
3864 if (a == &dev_attr_reconnect_delay.attr && !ctrl->opts) in nvme_dev_attrs_are_visible()
3866 if (a == &dev_attr_fast_io_fail_tmo.attr && !ctrl->opts) in nvme_dev_attrs_are_visible()
3869 if (a == &dev_attr_dhchap_secret.attr && !ctrl->opts) in nvme_dev_attrs_are_visible()
3871 if (a == &dev_attr_dhchap_ctrl_secret.attr && !ctrl->opts) in nvme_dev_attrs_are_visible()
3875 return a->mode; in nvme_dev_attrs_are_visible()
3893 lockdep_assert_held(&ctrl->subsys->lock); in nvme_find_ns_head()
3895 list_for_each_entry(h, &ctrl->subsys->nsheads, entry) { in nvme_find_ns_head()
3901 if (h->ns_id != nsid || !nvme_is_unique_nsid(ctrl, h)) in nvme_find_ns_head()
3903 if (!list_empty(&h->list) && nvme_tryget_ns_head(h)) in nvme_find_ns_head()
3913 bool has_uuid = !uuid_is_null(&ids->uuid); in nvme_subsys_check_duplicate_ids()
3914 bool has_nguid = memchr_inv(ids->nguid, 0, sizeof(ids->nguid)); in nvme_subsys_check_duplicate_ids()
3915 bool has_eui64 = memchr_inv(ids->eui64, 0, sizeof(ids->eui64)); in nvme_subsys_check_duplicate_ids()
3918 lockdep_assert_held(&subsys->lock); in nvme_subsys_check_duplicate_ids()
3920 list_for_each_entry(h, &subsys->nsheads, entry) { in nvme_subsys_check_duplicate_ids()
3921 if (has_uuid && uuid_equal(&ids->uuid, &h->ids.uuid)) in nvme_subsys_check_duplicate_ids()
3922 return -EINVAL; in nvme_subsys_check_duplicate_ids()
3924 memcmp(&ids->nguid, &h->ids.nguid, sizeof(ids->nguid)) == 0) in nvme_subsys_check_duplicate_ids()
3925 return -EINVAL; in nvme_subsys_check_duplicate_ids()
3927 memcmp(&ids->eui64, &h->ids.eui64, sizeof(ids->eui64)) == 0) in nvme_subsys_check_duplicate_ids()
3928 return -EINVAL; in nvme_subsys_check_duplicate_ids()
3936 ida_free(&nvme_ns_chr_minor_ida, MINOR(dev->devt)); in nvme_cdev_rel()
3953 cdev_device->devt = MKDEV(MAJOR(nvme_ns_chr_devt), minor); in nvme_cdev_add()
3954 cdev_device->class = nvme_ns_chr_class; in nvme_cdev_add()
3955 cdev_device->release = nvme_cdev_rel; in nvme_cdev_add()
3958 cdev->owner = owner; in nvme_cdev_add()
3968 return nvme_ns_open(container_of(inode->i_cdev, struct nvme_ns, cdev)); in nvme_ns_chr_open()
3973 nvme_ns_release(container_of(inode->i_cdev, struct nvme_ns, cdev)); in nvme_ns_chr_release()
3991 ns->cdev_device.parent = ns->ctrl->device; in nvme_add_ns_cdev()
3992 ret = dev_set_name(&ns->cdev_device, "ng%dn%d", in nvme_add_ns_cdev()
3993 ns->ctrl->instance, ns->head->instance); in nvme_add_ns_cdev()
3997 return nvme_cdev_add(&ns->cdev, &ns->cdev_device, &nvme_ns_chr_fops, in nvme_add_ns_cdev()
3998 ns->ctrl->ops->module); in nvme_add_ns_cdev()
4006 int ret = -ENOMEM; in nvme_alloc_ns_head()
4015 ret = ida_alloc_min(&ctrl->subsys->ns_ida, 1, GFP_KERNEL); in nvme_alloc_ns_head()
4018 head->instance = ret; in nvme_alloc_ns_head()
4019 INIT_LIST_HEAD(&head->list); in nvme_alloc_ns_head()
4020 ret = init_srcu_struct(&head->srcu); in nvme_alloc_ns_head()
4023 head->subsys = ctrl->subsys; in nvme_alloc_ns_head()
4024 head->ns_id = info->nsid; in nvme_alloc_ns_head()
4025 head->ids = info->ids; in nvme_alloc_ns_head()
4026 head->shared = info->is_shared; in nvme_alloc_ns_head()
4027 kref_init(&head->ref); in nvme_alloc_ns_head()
4029 if (head->ids.csi) { in nvme_alloc_ns_head()
4030 ret = nvme_get_effects_log(ctrl, head->ids.csi, &head->effects); in nvme_alloc_ns_head()
4034 head->effects = ctrl->effects; in nvme_alloc_ns_head()
4040 list_add_tail(&head->entry, &ctrl->subsys->nsheads); in nvme_alloc_ns_head()
4042 kref_get(&ctrl->subsys->ref); in nvme_alloc_ns_head()
4046 cleanup_srcu_struct(&head->srcu); in nvme_alloc_ns_head()
4048 ida_free(&ctrl->subsys->ns_ida, head->instance); in nvme_alloc_ns_head()
4072 mutex_lock(&s->lock); in nvme_global_check_duplicate_ids()
4074 mutex_unlock(&s->lock); in nvme_global_check_duplicate_ids()
4085 struct nvme_ctrl *ctrl = ns->ctrl; in nvme_init_ns_head()
4089 ret = nvme_global_check_duplicate_ids(ctrl->subsys, &info->ids); in nvme_init_ns_head()
4091 dev_err(ctrl->device, in nvme_init_ns_head()
4092 "globally duplicate IDs for nsid %d\n", info->nsid); in nvme_init_ns_head()
4097 mutex_lock(&ctrl->subsys->lock); in nvme_init_ns_head()
4098 head = nvme_find_ns_head(ctrl, info->nsid); in nvme_init_ns_head()
4100 ret = nvme_subsys_check_duplicate_ids(ctrl->subsys, &info->ids); in nvme_init_ns_head()
4102 dev_err(ctrl->device, in nvme_init_ns_head()
4104 info->nsid); in nvme_init_ns_head()
4113 ret = -EINVAL; in nvme_init_ns_head()
4114 if (!info->is_shared || !head->shared) { in nvme_init_ns_head()
4115 dev_err(ctrl->device, in nvme_init_ns_head()
4117 info->nsid); in nvme_init_ns_head()
4120 if (!nvme_ns_ids_equal(&head->ids, &info->ids)) { in nvme_init_ns_head()
4121 dev_err(ctrl->device, in nvme_init_ns_head()
4123 info->nsid); in nvme_init_ns_head()
4127 if (!multipath && !list_empty(&head->list)) { in nvme_init_ns_head()
4128 dev_warn(ctrl->device, in nvme_init_ns_head()
4130 info->nsid); in nvme_init_ns_head()
4131 dev_warn_once(ctrl->device, in nvme_init_ns_head()
4136 list_add_tail_rcu(&ns->siblings, &head->list); in nvme_init_ns_head()
4137 ns->head = head; in nvme_init_ns_head()
4138 mutex_unlock(&ctrl->subsys->lock); in nvme_init_ns_head()
4144 mutex_unlock(&ctrl->subsys->lock); in nvme_init_ns_head()
4152 down_read(&ctrl->namespaces_rwsem); in nvme_find_get_ns()
4153 list_for_each_entry(ns, &ctrl->namespaces, list) { in nvme_find_get_ns()
4154 if (ns->head->ns_id == nsid) { in nvme_find_get_ns()
4160 if (ns->head->ns_id > nsid) in nvme_find_get_ns()
4163 up_read(&ctrl->namespaces_rwsem); in nvme_find_get_ns()
4175 list_for_each_entry_reverse(tmp, &ns->ctrl->namespaces, list) { in nvme_ns_add_to_ctrl_list()
4176 if (tmp->head->ns_id < ns->head->ns_id) { in nvme_ns_add_to_ctrl_list()
4177 list_add(&ns->list, &tmp->list); in nvme_ns_add_to_ctrl_list()
4181 list_add(&ns->list, &ns->ctrl->namespaces); in nvme_ns_add_to_ctrl_list()
4188 int node = ctrl->numa_node; in nvme_alloc_ns()
4194 disk = blk_mq_alloc_disk(ctrl->tagset, ns); in nvme_alloc_ns()
4197 disk->fops = &nvme_bdev_ops; in nvme_alloc_ns()
4198 disk->private_data = ns; in nvme_alloc_ns()
4200 ns->disk = disk; in nvme_alloc_ns()
4201 ns->queue = disk->queue; in nvme_alloc_ns()
4203 if (ctrl->opts && ctrl->opts->data_digest) in nvme_alloc_ns()
4204 blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, ns->queue); in nvme_alloc_ns()
4206 blk_queue_flag_set(QUEUE_FLAG_NONROT, ns->queue); in nvme_alloc_ns()
4207 if (ctrl->ops->supports_pci_p2pdma && in nvme_alloc_ns()
4208 ctrl->ops->supports_pci_p2pdma(ctrl)) in nvme_alloc_ns()
4209 blk_queue_flag_set(QUEUE_FLAG_PCI_P2PDMA, ns->queue); in nvme_alloc_ns()
4211 ns->ctrl = ctrl; in nvme_alloc_ns()
4212 kref_init(&ns->kref); in nvme_alloc_ns()
4228 if (ns->head->disk) { in nvme_alloc_ns()
4229 sprintf(disk->disk_name, "nvme%dc%dn%d", ctrl->subsys->instance, in nvme_alloc_ns()
4230 ctrl->instance, ns->head->instance); in nvme_alloc_ns()
4231 disk->flags |= GENHD_FL_HIDDEN; in nvme_alloc_ns()
4233 sprintf(disk->disk_name, "nvme%dn%d", ctrl->subsys->instance, in nvme_alloc_ns()
4234 ns->head->instance); in nvme_alloc_ns()
4236 sprintf(disk->disk_name, "nvme%dn%d", ctrl->instance, in nvme_alloc_ns()
4237 ns->head->instance); in nvme_alloc_ns()
4243 down_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
4245 up_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
4248 if (device_add_disk(ctrl->device, ns->disk, nvme_ns_id_attr_groups)) in nvme_alloc_ns()
4251 if (!nvme_ns_head_multipath(ns->head)) in nvme_alloc_ns()
4254 nvme_mpath_add_disk(ns, info->anagrpid); in nvme_alloc_ns()
4255 nvme_fault_inject_init(&ns->fault_inject, ns->disk->disk_name); in nvme_alloc_ns()
4261 down_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
4262 list_del_init(&ns->list); in nvme_alloc_ns()
4263 up_write(&ctrl->namespaces_rwsem); in nvme_alloc_ns()
4265 mutex_lock(&ctrl->subsys->lock); in nvme_alloc_ns()
4266 list_del_rcu(&ns->siblings); in nvme_alloc_ns()
4267 if (list_empty(&ns->head->list)) in nvme_alloc_ns()
4268 list_del_init(&ns->head->entry); in nvme_alloc_ns()
4269 mutex_unlock(&ctrl->subsys->lock); in nvme_alloc_ns()
4270 nvme_put_ns_head(ns->head); in nvme_alloc_ns()
4281 if (test_and_set_bit(NVME_NS_REMOVING, &ns->flags)) in nvme_ns_remove()
4284 clear_bit(NVME_NS_READY, &ns->flags); in nvme_ns_remove()
4285 set_capacity(ns->disk, 0); in nvme_ns_remove()
4286 nvme_fault_inject_fini(&ns->fault_inject); in nvme_ns_remove()
4292 synchronize_srcu(&ns->head->srcu); in nvme_ns_remove()
4296 synchronize_srcu(&ns->head->srcu); in nvme_ns_remove()
4298 mutex_lock(&ns->ctrl->subsys->lock); in nvme_ns_remove()
4299 list_del_rcu(&ns->siblings); in nvme_ns_remove()
4300 if (list_empty(&ns->head->list)) { in nvme_ns_remove()
4301 list_del_init(&ns->head->entry); in nvme_ns_remove()
4304 mutex_unlock(&ns->ctrl->subsys->lock); in nvme_ns_remove()
4306 /* guarantee not available in head->list */ in nvme_ns_remove()
4307 synchronize_srcu(&ns->head->srcu); in nvme_ns_remove()
4309 if (!nvme_ns_head_multipath(ns->head)) in nvme_ns_remove()
4310 nvme_cdev_del(&ns->cdev, &ns->cdev_device); in nvme_ns_remove()
4311 del_gendisk(ns->disk); in nvme_ns_remove()
4313 down_write(&ns->ctrl->namespaces_rwsem); in nvme_ns_remove()
4314 list_del_init(&ns->list); in nvme_ns_remove()
4315 up_write(&ns->ctrl->namespaces_rwsem); in nvme_ns_remove()
4318 nvme_mpath_shutdown_disk(ns->head); in nvme_ns_remove()
4336 if (test_bit(NVME_NS_DEAD, &ns->flags)) in nvme_validate_ns()
4340 if (!nvme_ns_ids_equal(&ns->head->ids, &info->ids)) { in nvme_validate_ns()
4341 dev_err(ns->ctrl->device, in nvme_validate_ns()
4342 "identifiers changed for nsid %d\n", ns->head->ns_id); in nvme_validate_ns()
4367 dev_warn(ctrl->device, in nvme_scan_ns()
4377 if ((ctrl->cap & NVME_CAP_CRMS_CRIMS) || in nvme_scan_ns()
4408 down_write(&ctrl->namespaces_rwsem); in nvme_remove_invalid_namespaces()
4409 list_for_each_entry_safe(ns, next, &ctrl->namespaces, list) { in nvme_remove_invalid_namespaces()
4410 if (ns->head->ns_id > nsid || test_bit(NVME_NS_DEAD, &ns->flags)) in nvme_remove_invalid_namespaces()
4411 list_move_tail(&ns->list, &rm_list); in nvme_remove_invalid_namespaces()
4413 up_write(&ctrl->namespaces_rwsem); in nvme_remove_invalid_namespaces()
4428 return -EOPNOTSUPP; in nvme_scan_ns_list()
4432 return -ENOMEM; in nvme_scan_ns_list()
4441 ret = nvme_submit_sync_cmd(ctrl->admin_q, &cmd, ns_list, in nvme_scan_ns_list()
4444 dev_warn(ctrl->device, in nvme_scan_ns_list()
4473 nn = le32_to_cpu(id->nn); in nvme_scan_ns_sequential()
4501 dev_warn(ctrl->device, in nvme_clear_changed_ns_log()
4514 if (ctrl->state != NVME_CTRL_LIVE || !ctrl->tagset) in nvme_scan_work()
4520 * such scenario. Controller's non-mdts limits are reported in the unit in nvme_scan_work()
4522 * namespace. Hence re-read the limits at the time of ns allocation. in nvme_scan_work()
4526 dev_warn(ctrl->device, in nvme_scan_work()
4527 "reading non-mdts-limits failed: %d\n", ret); in nvme_scan_work()
4531 if (test_and_clear_bit(NVME_AER_NOTICE_NS_CHANGED, &ctrl->events)) { in nvme_scan_work()
4532 dev_info(ctrl->device, "rescanning namespaces.\n"); in nvme_scan_work()
4536 mutex_lock(&ctrl->scan_lock); in nvme_scan_work()
4539 mutex_unlock(&ctrl->scan_lock); in nvme_scan_work()
4560 flush_work(&ctrl->scan_work); in nvme_remove_namespaces()
4568 if (ctrl->state == NVME_CTRL_DEAD) in nvme_remove_namespaces()
4571 /* this is a no-op when called from the controller reset handler */ in nvme_remove_namespaces()
4574 down_write(&ctrl->namespaces_rwsem); in nvme_remove_namespaces()
4575 list_splice_init(&ctrl->namespaces, &ns_list); in nvme_remove_namespaces()
4576 up_write(&ctrl->namespaces_rwsem); in nvme_remove_namespaces()
4587 struct nvmf_ctrl_options *opts = ctrl->opts; in nvme_class_uevent()
4590 ret = add_uevent_var(env, "NVME_TRTYPE=%s", ctrl->ops->name); in nvme_class_uevent()
4595 ret = add_uevent_var(env, "NVME_TRADDR=%s", opts->traddr); in nvme_class_uevent()
4600 opts->trsvcid ?: "none"); in nvme_class_uevent()
4605 opts->host_traddr ?: "none"); in nvme_class_uevent()
4610 opts->host_iface ?: "none"); in nvme_class_uevent()
4619 kobject_uevent_env(&ctrl->device->kobj, KOBJ_CHANGE, envp); in nvme_change_uevent()
4625 u32 aen_result = ctrl->aen_result; in nvme_aen_uevent()
4627 ctrl->aen_result = 0; in nvme_aen_uevent()
4634 kobject_uevent_env(&ctrl->device->kobj, KOBJ_CHANGE, envp); in nvme_aen_uevent()
4650 if (ctrl->state == NVME_CTRL_LIVE) in nvme_async_event_work()
4651 ctrl->ops->submit_async_event(ctrl); in nvme_async_event_work()
4659 if (ctrl->ops->reg_read32(ctrl, NVME_REG_CSTS, &csts)) in nvme_ctrl_pp_status()
4665 return ((ctrl->ctrl_config & NVME_CC_ENABLE) && (csts & NVME_CSTS_PP)); in nvme_ctrl_pp_status()
4678 dev_warn(ctrl->device, "Get FW SLOT INFO log error\n"); in nvme_get_fw_slot_info()
4688 if (ctrl->mtfa) in nvme_fw_act_work()
4690 msecs_to_jiffies(ctrl->mtfa * 100); in nvme_fw_act_work()
4698 dev_warn(ctrl->device, in nvme_fw_act_work()
4713 queue_work(nvme_wq, &ctrl->async_event_work); in nvme_fw_act_work()
4735 set_bit(NVME_AER_NOTICE_NS_CHANGED, &ctrl->events); in nvme_handle_aen_notice()
4747 queue_work(nvme_wq, &ctrl->fw_act_work); in nvme_handle_aen_notice()
4752 if (!ctrl->ana_log_buf) in nvme_handle_aen_notice()
4754 queue_work(nvme_wq, &ctrl->ana_work); in nvme_handle_aen_notice()
4758 ctrl->aen_result = result; in nvme_handle_aen_notice()
4761 dev_warn(ctrl->device, "async event result %08x\n", result); in nvme_handle_aen_notice()
4769 dev_warn(ctrl->device, "resetting controller due to AER\n"); in nvme_handle_aer_persistent_error()
4776 u32 result = le32_to_cpu(res->u32); in nvme_complete_async_event()
4802 ctrl->aen_result = result; in nvme_complete_async_event()
4809 queue_work(nvme_wq, &ctrl->async_event_work); in nvme_complete_async_event()
4820 set->ops = ops; in nvme_alloc_admin_tag_set()
4821 set->queue_depth = NVME_AQ_MQ_TAG_DEPTH; in nvme_alloc_admin_tag_set()
4822 if (ctrl->ops->flags & NVME_F_FABRICS) in nvme_alloc_admin_tag_set()
4823 set->reserved_tags = NVMF_RESERVED_TAGS; in nvme_alloc_admin_tag_set()
4824 set->numa_node = ctrl->numa_node; in nvme_alloc_admin_tag_set()
4825 set->flags = flags; in nvme_alloc_admin_tag_set()
4826 set->cmd_size = cmd_size; in nvme_alloc_admin_tag_set()
4827 set->driver_data = ctrl; in nvme_alloc_admin_tag_set()
4828 set->nr_hw_queues = 1; in nvme_alloc_admin_tag_set()
4829 set->timeout = NVME_ADMIN_TIMEOUT; in nvme_alloc_admin_tag_set()
4834 ctrl->admin_q = blk_mq_init_queue(set); in nvme_alloc_admin_tag_set()
4835 if (IS_ERR(ctrl->admin_q)) { in nvme_alloc_admin_tag_set()
4836 ret = PTR_ERR(ctrl->admin_q); in nvme_alloc_admin_tag_set()
4840 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_alloc_admin_tag_set()
4841 ctrl->fabrics_q = blk_mq_init_queue(set); in nvme_alloc_admin_tag_set()
4842 if (IS_ERR(ctrl->fabrics_q)) { in nvme_alloc_admin_tag_set()
4843 ret = PTR_ERR(ctrl->fabrics_q); in nvme_alloc_admin_tag_set()
4848 ctrl->admin_tagset = set; in nvme_alloc_admin_tag_set()
4852 blk_mq_destroy_queue(ctrl->admin_q); in nvme_alloc_admin_tag_set()
4854 blk_mq_free_tag_set(ctrl->admin_tagset); in nvme_alloc_admin_tag_set()
4861 blk_mq_destroy_queue(ctrl->admin_q); in nvme_remove_admin_tag_set()
4862 if (ctrl->ops->flags & NVME_F_FABRICS) in nvme_remove_admin_tag_set()
4863 blk_mq_destroy_queue(ctrl->fabrics_q); in nvme_remove_admin_tag_set()
4864 blk_mq_free_tag_set(ctrl->admin_tagset); in nvme_remove_admin_tag_set()
4875 set->ops = ops; in nvme_alloc_io_tag_set()
4876 set->queue_depth = ctrl->sqsize + 1; in nvme_alloc_io_tag_set()
4877 set->reserved_tags = NVMF_RESERVED_TAGS; in nvme_alloc_io_tag_set()
4878 set->numa_node = ctrl->numa_node; in nvme_alloc_io_tag_set()
4879 set->flags = flags; in nvme_alloc_io_tag_set()
4880 set->cmd_size = cmd_size, in nvme_alloc_io_tag_set()
4881 set->driver_data = ctrl; in nvme_alloc_io_tag_set()
4882 set->nr_hw_queues = ctrl->queue_count - 1; in nvme_alloc_io_tag_set()
4883 set->timeout = NVME_IO_TIMEOUT; in nvme_alloc_io_tag_set()
4884 if (ops->map_queues) in nvme_alloc_io_tag_set()
4885 set->nr_maps = ctrl->opts->nr_poll_queues ? HCTX_MAX_TYPES : 2; in nvme_alloc_io_tag_set()
4890 if (ctrl->ops->flags & NVME_F_FABRICS) { in nvme_alloc_io_tag_set()
4891 ctrl->connect_q = blk_mq_init_queue(set); in nvme_alloc_io_tag_set()
4892 if (IS_ERR(ctrl->connect_q)) { in nvme_alloc_io_tag_set()
4893 ret = PTR_ERR(ctrl->connect_q); in nvme_alloc_io_tag_set()
4898 ctrl->tagset = set; in nvme_alloc_io_tag_set()
4909 if (ctrl->ops->flags & NVME_F_FABRICS) in nvme_remove_io_tag_set()
4910 blk_mq_destroy_queue(ctrl->connect_q); in nvme_remove_io_tag_set()
4911 blk_mq_free_tag_set(ctrl->tagset); in nvme_remove_io_tag_set()
4921 flush_work(&ctrl->async_event_work); in nvme_stop_ctrl()
4922 cancel_work_sync(&ctrl->fw_act_work); in nvme_stop_ctrl()
4923 if (ctrl->ops->stop_ctrl) in nvme_stop_ctrl()
4924 ctrl->ops->stop_ctrl(ctrl); in nvme_stop_ctrl()
4936 * to re-read the discovery log page to learn about possible changes in nvme_start_ctrl()
4940 if (test_and_set_bit(NVME_CTRL_STARTED_ONCE, &ctrl->flags) && in nvme_start_ctrl()
4944 if (ctrl->queue_count > 1) { in nvme_start_ctrl()
4957 nvme_fault_inject_fini(&ctrl->fault_inject); in nvme_uninit_ctrl()
4958 dev_pm_qos_hide_latency_tolerance(ctrl->device); in nvme_uninit_ctrl()
4959 cdev_device_del(&ctrl->cdev, ctrl->device); in nvme_uninit_ctrl()
4969 xa_for_each(&ctrl->cels, i, cel) { in nvme_free_cels()
4970 xa_erase(&ctrl->cels, i); in nvme_free_cels()
4974 xa_destroy(&ctrl->cels); in nvme_free_cels()
4981 struct nvme_subsystem *subsys = ctrl->subsys; in nvme_free_ctrl()
4983 if (!subsys || ctrl->instance != subsys->instance) in nvme_free_ctrl()
4984 ida_free(&nvme_instance_ida, ctrl->instance); in nvme_free_ctrl()
4990 __free_page(ctrl->discard_page); in nvme_free_ctrl()
4994 list_del(&ctrl->subsys_entry); in nvme_free_ctrl()
4995 sysfs_remove_link(&subsys->dev.kobj, dev_name(ctrl->device)); in nvme_free_ctrl()
4999 ctrl->ops->free_ctrl(ctrl); in nvme_free_ctrl()
5015 ctrl->state = NVME_CTRL_NEW; in nvme_init_ctrl()
5016 clear_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); in nvme_init_ctrl()
5017 spin_lock_init(&ctrl->lock); in nvme_init_ctrl()
5018 mutex_init(&ctrl->scan_lock); in nvme_init_ctrl()
5019 INIT_LIST_HEAD(&ctrl->namespaces); in nvme_init_ctrl()
5020 xa_init(&ctrl->cels); in nvme_init_ctrl()
5021 init_rwsem(&ctrl->namespaces_rwsem); in nvme_init_ctrl()
5022 ctrl->dev = dev; in nvme_init_ctrl()
5023 ctrl->ops = ops; in nvme_init_ctrl()
5024 ctrl->quirks = quirks; in nvme_init_ctrl()
5025 ctrl->numa_node = NUMA_NO_NODE; in nvme_init_ctrl()
5026 INIT_WORK(&ctrl->scan_work, nvme_scan_work); in nvme_init_ctrl()
5027 INIT_WORK(&ctrl->async_event_work, nvme_async_event_work); in nvme_init_ctrl()
5028 INIT_WORK(&ctrl->fw_act_work, nvme_fw_act_work); in nvme_init_ctrl()
5029 INIT_WORK(&ctrl->delete_work, nvme_delete_ctrl_work); in nvme_init_ctrl()
5030 init_waitqueue_head(&ctrl->state_wq); in nvme_init_ctrl()
5032 INIT_DELAYED_WORK(&ctrl->ka_work, nvme_keep_alive_work); in nvme_init_ctrl()
5033 INIT_DELAYED_WORK(&ctrl->failfast_work, nvme_failfast_work); in nvme_init_ctrl()
5034 memset(&ctrl->ka_cmd, 0, sizeof(ctrl->ka_cmd)); in nvme_init_ctrl()
5035 ctrl->ka_cmd.common.opcode = nvme_admin_keep_alive; in nvme_init_ctrl()
5039 ctrl->discard_page = alloc_page(GFP_KERNEL); in nvme_init_ctrl()
5040 if (!ctrl->discard_page) { in nvme_init_ctrl()
5041 ret = -ENOMEM; in nvme_init_ctrl()
5048 ctrl->instance = ret; in nvme_init_ctrl()
5050 device_initialize(&ctrl->ctrl_device); in nvme_init_ctrl()
5051 ctrl->device = &ctrl->ctrl_device; in nvme_init_ctrl()
5052 ctrl->device->devt = MKDEV(MAJOR(nvme_ctrl_base_chr_devt), in nvme_init_ctrl()
5053 ctrl->instance); in nvme_init_ctrl()
5054 ctrl->device->class = nvme_class; in nvme_init_ctrl()
5055 ctrl->device->parent = ctrl->dev; in nvme_init_ctrl()
5056 ctrl->device->groups = nvme_dev_attr_groups; in nvme_init_ctrl()
5057 ctrl->device->release = nvme_free_ctrl; in nvme_init_ctrl()
5058 dev_set_drvdata(ctrl->device, ctrl); in nvme_init_ctrl()
5059 ret = dev_set_name(ctrl->device, "nvme%d", ctrl->instance); in nvme_init_ctrl()
5064 cdev_init(&ctrl->cdev, &nvme_dev_fops); in nvme_init_ctrl()
5065 ctrl->cdev.owner = ops->module; in nvme_init_ctrl()
5066 ret = cdev_device_add(&ctrl->cdev, ctrl->device); in nvme_init_ctrl()
5074 ctrl->device->power.set_latency_tolerance = nvme_set_latency_tolerance; in nvme_init_ctrl()
5075 dev_pm_qos_update_user_latency_tolerance(ctrl->device, in nvme_init_ctrl()
5078 nvme_fault_inject_init(&ctrl->fault_inject, dev_name(ctrl->device)); in nvme_init_ctrl()
5085 kfree_const(ctrl->device->kobj.name); in nvme_init_ctrl()
5087 ida_free(&nvme_instance_ida, ctrl->instance); in nvme_init_ctrl()
5089 if (ctrl->discard_page) in nvme_init_ctrl()
5090 __free_page(ctrl->discard_page); in nvme_init_ctrl()
5097 if (test_and_clear_bit(NVME_NS_STOPPED, &ns->flags)) in nvme_start_ns_queue()
5098 blk_mq_unquiesce_queue(ns->queue); in nvme_start_ns_queue()
5103 if (!test_and_set_bit(NVME_NS_STOPPED, &ns->flags)) in nvme_stop_ns_queue()
5104 blk_mq_quiesce_queue(ns->queue); in nvme_stop_ns_queue()
5106 blk_mq_wait_quiesce_done(ns->queue); in nvme_stop_ns_queue()
5119 if (test_and_set_bit(NVME_NS_DEAD, &ns->flags)) in nvme_set_queue_dying()
5122 blk_mark_disk_dead(ns->disk); in nvme_set_queue_dying()
5125 set_capacity_and_notify(ns->disk, 0); in nvme_set_queue_dying()
5139 down_read(&ctrl->namespaces_rwsem); in nvme_kill_queues()
5142 if (ctrl->admin_q && !blk_queue_dying(ctrl->admin_q)) in nvme_kill_queues()
5145 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_kill_queues()
5148 up_read(&ctrl->namespaces_rwsem); in nvme_kill_queues()
5156 down_read(&ctrl->namespaces_rwsem); in nvme_unfreeze()
5157 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_unfreeze()
5158 blk_mq_unfreeze_queue(ns->queue); in nvme_unfreeze()
5159 up_read(&ctrl->namespaces_rwsem); in nvme_unfreeze()
5167 down_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze_timeout()
5168 list_for_each_entry(ns, &ctrl->namespaces, list) { in nvme_wait_freeze_timeout()
5169 timeout = blk_mq_freeze_queue_wait_timeout(ns->queue, timeout); in nvme_wait_freeze_timeout()
5173 up_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze_timeout()
5182 down_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze()
5183 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_wait_freeze()
5184 blk_mq_freeze_queue_wait(ns->queue); in nvme_wait_freeze()
5185 up_read(&ctrl->namespaces_rwsem); in nvme_wait_freeze()
5193 down_read(&ctrl->namespaces_rwsem); in nvme_start_freeze()
5194 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_start_freeze()
5195 blk_freeze_queue_start(ns->queue); in nvme_start_freeze()
5196 up_read(&ctrl->namespaces_rwsem); in nvme_start_freeze()
5204 down_read(&ctrl->namespaces_rwsem); in nvme_stop_queues()
5205 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_stop_queues()
5207 up_read(&ctrl->namespaces_rwsem); in nvme_stop_queues()
5215 down_read(&ctrl->namespaces_rwsem); in nvme_start_queues()
5216 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_start_queues()
5218 up_read(&ctrl->namespaces_rwsem); in nvme_start_queues()
5224 if (!test_and_set_bit(NVME_CTRL_ADMIN_Q_STOPPED, &ctrl->flags)) in nvme_stop_admin_queue()
5225 blk_mq_quiesce_queue(ctrl->admin_q); in nvme_stop_admin_queue()
5227 blk_mq_wait_quiesce_done(ctrl->admin_q); in nvme_stop_admin_queue()
5233 if (test_and_clear_bit(NVME_CTRL_ADMIN_Q_STOPPED, &ctrl->flags)) in nvme_start_admin_queue()
5234 blk_mq_unquiesce_queue(ctrl->admin_q); in nvme_start_admin_queue()
5242 down_read(&ctrl->namespaces_rwsem); in nvme_sync_io_queues()
5243 list_for_each_entry(ns, &ctrl->namespaces, list) in nvme_sync_io_queues()
5244 blk_sync_queue(ns->queue); in nvme_sync_io_queues()
5245 up_read(&ctrl->namespaces_rwsem); in nvme_sync_io_queues()
5252 if (ctrl->admin_q) in nvme_sync_queues()
5253 blk_sync_queue(ctrl->admin_q); in nvme_sync_queues()
5259 if (file->f_op != &nvme_dev_fops) in nvme_ctrl_from_file()
5261 return file->private_data; in nvme_ctrl_from_file()
5299 int result = -ENOMEM; in nvme_core_init()
5303 nvme_wq = alloc_workqueue("nvme-wq", in nvme_core_init()
5308 nvme_reset_wq = alloc_workqueue("nvme-reset-wq", in nvme_core_init()
5313 nvme_delete_wq = alloc_workqueue("nvme-delete-wq", in nvme_core_init()
5328 nvme_class->dev_uevent = nvme_class_uevent; in nvme_core_init()
5330 nvme_subsys_class = class_create(THIS_MODULE, "nvme-subsystem"); in nvme_core_init()
5337 "nvme-generic"); in nvme_core_init()
5341 nvme_ns_chr_class = class_create(THIS_MODULE, "nvme-generic"); in nvme_core_init()