diff options
Diffstat (limited to 'drivers/nvme/host')
| -rw-r--r-- | drivers/nvme/host/core.c | 168 | ||||
| -rw-r--r-- | drivers/nvme/host/fabrics.c | 25 | ||||
| -rw-r--r-- | drivers/nvme/host/fabrics.h | 5 | ||||
| -rw-r--r-- | drivers/nvme/host/fc.c | 2 | ||||
| -rw-r--r-- | drivers/nvme/host/lightnvm.c | 8 | ||||
| -rw-r--r-- | drivers/nvme/host/multipath.c | 5 | ||||
| -rw-r--r-- | drivers/nvme/host/nvme.h | 11 | ||||
| -rw-r--r-- | drivers/nvme/host/pci.c | 27 | ||||
| -rw-r--r-- | drivers/nvme/host/rdma.c | 4 | ||||
| -rw-r--r-- | drivers/nvme/host/tcp.c | 2 | ||||
| -rw-r--r-- | drivers/nvme/host/zns.c | 13 |
11 files changed, 181 insertions, 89 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 9a270e49df17..ce1b61519441 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -85,7 +85,7 @@ static LIST_HEAD(nvme_subsystems); static DEFINE_MUTEX(nvme_subsystems_lock); static DEFINE_IDA(nvme_instance_ida); -static dev_t nvme_chr_devt; +static dev_t nvme_ctrl_base_chr_devt; static struct class *nvme_class; static struct class *nvme_subsys_class; @@ -93,16 +93,6 @@ static void nvme_put_subsystem(struct nvme_subsystem *subsys); static void nvme_remove_invalid_namespaces(struct nvme_ctrl *ctrl, unsigned nsid); -static void nvme_update_bdev_size(struct gendisk *disk) -{ - struct block_device *bdev = bdget_disk(disk, 0); - - if (bdev) { - bd_set_nr_sectors(bdev, get_capacity(disk)); - bdput(bdev); - } -} - /* * Prepare a queue for teardown. * @@ -119,8 +109,7 @@ static void nvme_set_queue_dying(struct nvme_ns *ns) blk_set_queue_dying(ns->queue); blk_mq_unquiesce_queue(ns->queue); - set_capacity(ns->disk, 0); - nvme_update_bdev_size(ns->disk); + set_capacity_and_notify(ns->disk, 0); } static void nvme_queue_scan(struct nvme_ctrl *ctrl) @@ -148,6 +137,38 @@ int nvme_try_sched_reset(struct nvme_ctrl *ctrl) } EXPORT_SYMBOL_GPL(nvme_try_sched_reset); +static void nvme_failfast_work(struct work_struct *work) +{ + struct nvme_ctrl *ctrl = container_of(to_delayed_work(work), + struct nvme_ctrl, failfast_work); + + if (ctrl->state != NVME_CTRL_CONNECTING) + return; + + set_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); + dev_info(ctrl->device, "failfast expired\n"); + nvme_kick_requeue_lists(ctrl); +} + +static inline void nvme_start_failfast_work(struct nvme_ctrl *ctrl) +{ + if (!ctrl->opts || ctrl->opts->fast_io_fail_tmo == -1) + return; + + schedule_delayed_work(&ctrl->failfast_work, + ctrl->opts->fast_io_fail_tmo * HZ); +} + +static inline void nvme_stop_failfast_work(struct nvme_ctrl *ctrl) +{ + if (!ctrl->opts) + return; + + cancel_delayed_work_sync(&ctrl->failfast_work); + clear_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); +} + + int nvme_reset_ctrl(struct nvme_ctrl *ctrl) { if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING)) @@ -433,8 +454,17 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, } spin_unlock_irqrestore(&ctrl->lock, flags); - if (changed && ctrl->state == NVME_CTRL_LIVE) + if (!changed) + return false; + + if (ctrl->state == NVME_CTRL_LIVE) { + if (old_state == NVME_CTRL_CONNECTING) + nvme_stop_failfast_work(ctrl); nvme_kick_requeue_lists(ctrl); + } else if (ctrl->state == NVME_CTRL_CONNECTING && + old_state == NVME_CTRL_RESETTING) { + nvme_start_failfast_work(ctrl); + } return changed; } EXPORT_SYMBOL_GPL(nvme_change_ctrl_state); @@ -518,29 +548,49 @@ static inline void nvme_clear_nvme_request(struct request *req) } } -struct request *nvme_alloc_request(struct request_queue *q, - struct nvme_command *cmd, blk_mq_req_flags_t flags, int qid) +static inline unsigned int nvme_req_op(struct nvme_command *cmd) { - unsigned op = nvme_is_write(cmd) ? REQ_OP_DRV_OUT : REQ_OP_DRV_IN; - struct request *req; + return nvme_is_write(cmd) ? REQ_OP_DRV_OUT : REQ_OP_DRV_IN; +} - if (qid == NVME_QID_ANY) { - req = blk_mq_alloc_request(q, op, flags); - } else { - req = blk_mq_alloc_request_hctx(q, op, flags, - qid ? qid - 1 : 0); - } - if (IS_ERR(req)) - return req; +static inline void nvme_init_request(struct request *req, + struct nvme_command *cmd) +{ + if (req->q->queuedata) + req->timeout = NVME_IO_TIMEOUT; + else /* no queuedata implies admin queue */ + req->timeout = NVME_ADMIN_TIMEOUT; req->cmd_flags |= REQ_FAILFAST_DRIVER; nvme_clear_nvme_request(req); nvme_req(req)->cmd = cmd; +} +struct request *nvme_alloc_request(struct request_queue *q, + struct nvme_command *cmd, blk_mq_req_flags_t flags) +{ + struct request *req; + + req = blk_mq_alloc_request(q, nvme_req_op(cmd), flags); + if (!IS_ERR(req)) + nvme_init_request(req, cmd); return req; } EXPORT_SYMBOL_GPL(nvme_alloc_request); +struct request *nvme_alloc_request_qid(struct request_queue *q, + struct nvme_command *cmd, blk_mq_req_flags_t flags, int qid) +{ + struct request *req; + + req = blk_mq_alloc_request_hctx(q, nvme_req_op(cmd), flags, + qid ? qid - 1 : 0); + if (!IS_ERR(req)) + nvme_init_request(req, cmd); + return req; +} +EXPORT_SYMBOL_GPL(nvme_alloc_request_qid); + static int nvme_toggle_streams(struct nvme_ctrl *ctrl, bool enable) { struct nvme_command c; @@ -897,11 +947,15 @@ int __nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd, struct request *req; int ret; - req = nvme_alloc_request(q, cmd, flags, qid); + if (qid == NVME_QID_ANY) + req = nvme_alloc_request(q, cmd, flags); + else + req = nvme_alloc_request_qid(q, cmd, flags, qid); if (IS_ERR(req)) return PTR_ERR(req); - req->timeout = timeout ? timeout : ADMIN_TIMEOUT; + if (timeout) + req->timeout = timeout; if (buffer && bufflen) { ret = blk_rq_map_kern(q, req, buffer, bufflen, GFP_KERNEL); @@ -1067,11 +1121,12 @@ static int nvme_submit_user_cmd(struct request_queue *q, void *meta = NULL; int ret; - req = nvme_alloc_request(q, cmd, 0, NVME_QID_ANY); + req = nvme_alloc_request(q, cmd, 0); if (IS_ERR(req)) return PTR_ERR(req); - req->timeout = timeout ? timeout : ADMIN_TIMEOUT; + if (timeout) + req->timeout = timeout; nvme_req(req)->flags |= NVME_REQ_USERCMD; if (ubuffer && bufflen) { @@ -1141,8 +1196,8 @@ static int nvme_keep_alive(struct nvme_ctrl *ctrl) { struct request *rq; - rq = nvme_alloc_request(ctrl->admin_q, &ctrl->ka_cmd, BLK_MQ_REQ_RESERVED, - NVME_QID_ANY); + rq = nvme_alloc_request(ctrl->admin_q, &ctrl->ka_cmd, + BLK_MQ_REQ_RESERVED); if (IS_ERR(rq)) return PTR_ERR(rq); @@ -1302,7 +1357,8 @@ static int nvme_identify_ns_descs(struct nvme_ctrl *ctrl, unsigned nsid, NVME_IDENTIFY_DATA_SIZE); if (status) { dev_warn(ctrl->device, - "Identify Descriptors failed (%d)\n", status); + "Identify Descriptors failed (nsid=%u, status=0x%x)\n", + nsid, status); goto free_data; } @@ -2053,12 +2109,13 @@ static void nvme_update_disk_info(struct gendisk *disk, capacity = 0; } - set_capacity_revalidate_and_notify(disk, capacity, false); + set_capacity_and_notify(disk, capacity); nvme_config_discard(disk, ns); nvme_config_write_zeroes(disk, ns); - if (id->nsattr & NVME_NS_ATTR_RO) + if ((id->nsattr & NVME_NS_ATTR_RO) || + test_bit(NVME_NS_FORCE_RO, &ns->flags)) set_disk_ro(disk, true); } @@ -2134,7 +2191,6 @@ static int nvme_update_ns_info(struct nvme_ns *ns, struct nvme_id_ns *id) blk_stack_limits(&ns->head->disk->queue->limits, &ns->queue->limits, 0); blk_queue_update_readahead(ns->head->disk->queue); - nvme_update_bdev_size(ns->head->disk); blk_mq_unfreeze_queue(ns->head->disk->queue); } #endif @@ -2261,13 +2317,13 @@ int nvme_sec_submit(void *data, u16 spsp, u8 secp, void *buffer, size_t len, cmd.common.cdw10 = cpu_to_le32(((u32)secp) << 24 | ((u32)spsp) << 8); cmd.common.cdw11 = cpu_to_le32(len); - return __nvme_submit_sync_cmd(ctrl->admin_q, &cmd, NULL, buffer, len, - ADMIN_TIMEOUT, NVME_QID_ANY, 1, 0, false); + return __nvme_submit_sync_cmd(ctrl->admin_q, &cmd, NULL, buffer, len, 0, + NVME_QID_ANY, 1, 0, false); } EXPORT_SYMBOL_GPL(nvme_sec_submit); #endif /* CONFIG_BLK_SED_OPAL */ -static const struct block_device_operations nvme_fops = { +static const struct block_device_operations nvme_bdev_ops = { .owner = THIS_MODULE, .ioctl = nvme_ioctl, .compat_ioctl = nvme_compat_ioctl, @@ -3274,7 +3330,7 @@ static inline struct nvme_ns_head *dev_to_ns_head(struct device *dev) { struct gendisk *disk = dev_to_disk(dev); - if (disk->fops == &nvme_fops) + if (disk->fops == &nvme_bdev_ops) return nvme_get_ns_from_dev(dev)->head; else return disk->private_data; @@ -3383,7 +3439,7 @@ static umode_t nvme_ns_id_attrs_are_visible(struct kobject *kobj, } #ifdef CONFIG_NVME_MULTIPATH if (a == &dev_attr_ana_grpid.attr || a == &dev_attr_ana_state.attr) { - if (dev_to_disk(dev)->fops != &nvme_fops) /* per-path attr */ + if (dev_to_disk(dev)->fops != &nvme_bdev_ops) /* per-path attr */ return 0; if (!nvme_ctrl_use_ana(nvme_get_ns_from_dev(dev)->ctrl)) return 0; @@ -3804,7 +3860,7 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid, struct gendisk *disk; struct nvme_id_ns *id; char disk_name[DISK_NAME_LEN]; - int node = ctrl->numa_node, flags = GENHD_FL_EXT_DEVT, ret; + int node = ctrl->numa_node, flags = GENHD_FL_EXT_DEVT; if (nvme_identify_ns(ctrl, nsid, ids, &id)) return; @@ -3828,8 +3884,7 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid, ns->ctrl = ctrl; kref_init(&ns->kref); - ret = nvme_init_ns_head(ns, nsid, ids, id->nmic & NVME_NS_NMIC_SHARED); - if (ret) + if (nvme_init_ns_head(ns, nsid, ids, id->nmic & NVME_NS_NMIC_SHARED)) goto out_free_queue; nvme_set_disk_name(disk_name, ns, ctrl, &flags); @@ -3837,7 +3892,7 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid, if (!disk) goto out_unlink_ns; - disk->fops = &nvme_fops; + disk->fops = &nvme_bdev_ops; disk->private_data = ns; disk->queue = ns->queue; disk->flags = flags; @@ -3848,8 +3903,7 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid, goto out_put_disk; if ((ctrl->quirks & NVME_QUIRK_LIGHTNVM) && id->vs[0] == 0x1) { - ret = nvme_nvm_register(ns, disk_name, node); - if (ret) { + if (nvme_nvm_register(ns, disk_name, node)) { dev_warn(ctrl->device, "LightNVM init failure\n"); goto out_put_disk; } @@ -3962,8 +4016,6 @@ out: */ if (ret && ret != -ENOMEM && !(ret > 0 && !(ret & NVME_SC_DNR))) nvme_ns_remove(ns); - else - revalidate_disk_size(ns->disk, true); } static void nvme_validate_or_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid) @@ -4042,8 +4094,11 @@ static int nvme_scan_ns_list(struct nvme_ctrl *ctrl) ret = nvme_submit_sync_cmd(ctrl->admin_q, &cmd, ns_list, NVME_IDENTIFY_DATA_SIZE); - if (ret) + if (ret) { + dev_warn(ctrl->device, + "Identify NS List failed (status=0x%x)\n", ret); goto free; + } for (i = 0; i < nr_entries; i++) { u32 nsid = le32_to_cpu(ns_list[i]); @@ -4346,6 +4401,7 @@ void nvme_stop_ctrl(struct nvme_ctrl *ctrl) { nvme_mpath_stop(ctrl); nvme_stop_keep_alive(ctrl); + nvme_stop_failfast_work(ctrl); flush_work(&ctrl->async_event_work); cancel_work_sync(&ctrl->fw_act_work); } @@ -4423,6 +4479,7 @@ int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev, int ret; ctrl->state = NVME_CTRL_NEW; + clear_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); spin_lock_init(&ctrl->lock); mutex_init(&ctrl->scan_lock); INIT_LIST_HEAD(&ctrl->namespaces); @@ -4439,6 +4496,7 @@ int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev, init_waitqueue_head(&ctrl->state_wq); INIT_DELAYED_WORK(&ctrl->ka_work, nvme_keep_alive_work); + INIT_DELAYED_WORK(&ctrl->failfast_work, nvme_failfast_work); memset(&ctrl->ka_cmd, 0, sizeof(ctrl->ka_cmd)); ctrl->ka_cmd.common.opcode = nvme_admin_keep_alive; @@ -4457,7 +4515,8 @@ int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev, device_initialize(&ctrl->ctrl_device); ctrl->device = &ctrl->ctrl_device; - ctrl->device->devt = MKDEV(MAJOR(nvme_chr_devt), ctrl->instance); + ctrl->device->devt = MKDEV(MAJOR(nvme_ctrl_base_chr_devt), + ctrl->instance); ctrl->device->class = nvme_class; ctrl->device->parent = ctrl->dev; ctrl->device->groups = nvme_dev_attr_groups; @@ -4666,7 +4725,8 @@ static int __init nvme_core_init(void) if (!nvme_delete_wq) goto destroy_reset_wq; - result = alloc_chrdev_region(&nvme_chr_devt, 0, NVME_MINORS, "nvme"); + result = alloc_chrdev_region(&nvme_ctrl_base_chr_devt, 0, + NVME_MINORS, "nvme"); if (result < 0) goto destroy_delete_wq; @@ -4687,7 +4747,7 @@ static int __init nvme_core_init(void) destroy_class: class_destroy(nvme_class); unregister_chrdev: - unregister_chrdev_region(nvme_chr_devt, NVME_MINORS); + unregister_chrdev_region(nvme_ctrl_base_chr_devt, NVME_MINORS); destroy_delete_wq: destroy_workqueue(nvme_delete_wq); destroy_reset_wq: @@ -4702,7 +4762,7 @@ static void __exit nvme_core_exit(void) { class_destroy(nvme_subsys_class); class_destroy(nvme_class); - unregister_chrdev_region(nvme_chr_devt, NVME_MINORS); + unregister_chrdev_region(nvme_ctrl_base_chr_devt, NVME_MINORS); destroy_workqueue(nvme_delete_wq); destroy_workqueue(nvme_reset_wq); destroy_workqueue(nvme_wq); diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c index 8575724734e0..72ac00173500 100644 --- a/drivers/nvme/host/fabrics.c +++ b/drivers/nvme/host/fabrics.c @@ -549,6 +549,7 @@ blk_status_t nvmf_fail_nonready_command(struct nvme_ctrl *ctrl, { if (ctrl->state != NVME_CTRL_DELETING_NOIO && ctrl->state != NVME_CTRL_DEAD && + !test_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags) && !blk_noretry_request(rq) && !(rq->cmd_flags & REQ_NVME_MPATH)) return BLK_STS_RESOURCE; @@ -615,6 +616,7 @@ static const match_table_t opt_tokens = { { NVMF_OPT_NR_WRITE_QUEUES, "nr_write_queues=%d" }, { NVMF_OPT_NR_POLL_QUEUES, "nr_poll_queues=%d" }, { NVMF_OPT_TOS, "tos=%d" }, + { NVMF_OPT_FAIL_FAST_TMO, "fast_io_fail_tmo=%d" }, { NVMF_OPT_ERR, NULL } }; @@ -634,6 +636,7 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts, opts->reconnect_delay = NVMF_DEF_RECONNECT_DELAY; opts->kato = NVME_DEFAULT_KATO; opts->duplicate_connect = false; + opts->fast_io_fail_tmo = NVMF_DEF_FAIL_FAST_TMO; opts->hdr_digest = false; opts->data_digest = false; opts->tos = -1; /* < 0 == use transport default */ @@ -754,6 +757,17 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts, pr_warn("ctrl_loss_tmo < 0 will reconnect forever\n"); ctrl_loss_tmo = token; break; + case NVMF_OPT_FAIL_FAST_TMO: + if (match_int(args, &token)) { + ret = -EINVAL; + goto out; + } + + if (token >= 0) + pr_warn("I/O fail on reconnect controller after %d sec\n", + token); + opts->fast_io_fail_tmo = token; + break; case NVMF_OPT_HOSTNQN: if (opts->host) { pr_err("hostnqn already user-assigned: %s\n", @@ -884,11 +898,15 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts, opts->nr_poll_queues = 0; opts->duplicate_connect = true; } - if (ctrl_loss_tmo < 0) + if (ctrl_loss_tmo < 0) { opts->max_reconnects = -1; - else + } else { opts->max_reconnects = DIV_ROUND_UP(ctrl_loss_tmo, opts->reconnect_delay); + if (ctrl_loss_tmo < opts->fast_io_fail_tmo) + pr_warn("failfast tmo (%d) larger than controller loss tmo (%d)\n", + opts->fast_io_fail_tmo, ctrl_loss_tmo); + } if (!opts->host) { kref_get(&nvmf_default_host->ref); @@ -988,7 +1006,8 @@ EXPORT_SYMBOL_GPL(nvmf_free_options); #define NVMF_ALLOWED_OPTS (NVMF_OPT_QUEUE_SIZE | NVMF_OPT_NR_IO_QUEUES | \ NVMF_OPT_KATO | NVMF_OPT_HOSTNQN | \ NVMF_OPT_HOST_ID | NVMF_OPT_DUP_CONNECT |\ - NVMF_OPT_DISABLE_SQFLOW) + NVMF_OPT_DISABLE_SQFLOW |\ + NVMF_OPT_FAIL_FAST_TMO) static struct nvme_ctrl * nvmf_create_ctrl(struct device *dev, const char *buf) diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h index a9c1e3b4585e..733010d2eafd 100644 --- a/drivers/nvme/host/fabrics.h +++ b/drivers/nvme/host/fabrics.h @@ -15,6 +15,8 @@ #define NVMF_DEF_RECONNECT_DELAY 10 /* default to 600 seconds of reconnect attempts before giving up */ #define NVMF_DEF_CTRL_LOSS_TMO 600 +/* default is -1: the fail fast mechanism is disabled */ +#define NVMF_DEF_FAIL_FAST_TMO -1 /* * Define a host as seen by the target. We allocate one at boot, but also @@ -56,6 +58,7 @@ enum { NVMF_OPT_NR_WRITE_QUEUES = 1 << 17, NVMF_OPT_NR_POLL_QUEUES = 1 << 18, NVMF_OPT_TOS = 1 << 19, + NVMF_OPT_FAIL_FAST_TMO = 1 << 20, }; /** @@ -89,6 +92,7 @@ enum { * @nr_write_queues: number of queues for write I/O * @nr_poll_queues: number of queues for polling I/O * @tos: type of service + * @fast_io_fail_tmo: Fast I/O fail timeout in seconds */ struct nvmf_ctrl_options { unsigned mask; @@ -111,6 +115,7 @@ struct nvmf_ctrl_options { unsigned int nr_write_queues; unsigned int nr_poll_queues; int tos; + int fast_io_fail_tmo; }; /* diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index f4c246462658..38373a0e86ef 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -3479,7 +3479,7 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, ctrl->lport->ops->fcprqst_priv_sz); ctrl->admin_tag_set.driver_data = ctrl; ctrl->admin_tag_set.nr_hw_queues = 1; - ctrl->admin_tag_set.timeout = ADMIN_TIMEOUT; + ctrl->admin_tag_set.timeout = NVME_ADMIN_TIMEOUT; ctrl->admin_tag_set.flags = BLK_MQ_F_NO_SCHED; ret = blk_mq_alloc_tag_set(&ctrl->admin_tag_set); diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c index 8e562d0f2c30..470cef3abec3 100644 --- a/drivers/nvme/host/lightnvm.c +++ b/drivers/nvme/host/lightnvm.c @@ -653,7 +653,7 @@ static struct request *nvme_nvm_alloc_request(struct request_queue *q, nvme_nvm_rqtocmd(rqd, ns, cmd); - rq = nvme_alloc_request(q, (struct nvme_command *)cmd, 0, NVME_QID_ANY); + rq = nvme_alloc_request(q, (struct nvme_command *)cmd, 0); if (IS_ERR(rq)) return rq; @@ -767,14 +767,14 @@ static int nvme_nvm_submit_user_cmd(struct request_queue *q, DECLARE_COMPLETION_ONSTACK(wait); int ret = 0; - rq = nvme_alloc_request(q, (struct nvme_command *)vcmd, 0, - NVME_QID_ANY); + rq = nvme_alloc_request(q, (struct nvme_command *)vcmd, 0); if (IS_ERR(rq)) { ret = -ENOMEM; goto err_cmd; } - rq->timeout = timeout ? timeout : ADMIN_TIMEOUT; + if (timeout) + rq->timeout = timeout; if (ppa_buf && ppa_len) { ppa_list = dma_pool_alloc(dev->dma_pool, GFP_KERNEL, &ppa_dma); diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 74896be40c17..9ac762b28811 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -279,6 +279,8 @@ static bool nvme_available_path(struct nvme_ns_head *head) struct nvme_ns *ns; list_for_each_entry_rcu(ns, &head->list, siblings) { + if (test_bit(NVME_CTRL_FAILFAST_EXPIRED, &ns->ctrl->flags)) + continue; switch (ns->ctrl->state) { case NVME_CTRL_LIVE: case NVME_CTRL_RESETTING: @@ -312,8 +314,7 @@ blk_qc_t nvme_ns_head_submit_bio(struct bio *bio) if (likely(ns)) { bio->bi_disk = ns->disk; bio->bi_opf |= REQ_NVME_MPATH; - trace_block_bio_remap(bio->bi_disk->queue, bio, - disk_devt(ns->head->disk), + trace_block_bio_remap(bio, disk_devt(ns->head->disk), bio->bi_iter.bi_sector); ret = submit_bio_noacct(bio); } else if (nvme_available_path(head)) { diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 567f7ad18a91..7e49f61f81df 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -24,7 +24,7 @@ extern unsigned int nvme_io_timeout; #define NVME_IO_TIMEOUT (nvme_io_timeout * HZ) extern unsigned int admin_timeout; -#define ADMIN_TIMEOUT (admin_timeout * HZ) +#define NVME_ADMIN_TIMEOUT (admin_timeout * HZ) #define NVME_DEFAULT_KATO 5 #define NVME_KATO_GRACE 10 @@ -178,7 +178,8 @@ static inline u16 nvme_req_qid(struct request *req) { if (!req->q->queuedata) return 0; - return blk_mq_unique_tag_to_hwq(blk_mq_unique_tag(req)) + 1; + + return req->mq_hctx->queue_num + 1; } /* The below value is the specific amount of delay needed before checking @@ -298,6 +299,7 @@ struct nvme_ctrl { struct work_struct scan_work; struct work_struct async_event_work; struct delayed_work ka_work; + struct delayed_work failfast_work; struct nvme_command ka_cmd; struct work_struct fw_act_work; unsigned long events; @@ -331,6 +333,8 @@ struct nvme_ctrl { u16 icdoff; u16 maxcmd; int nr_reconnects; + unsigned long flags; +#define NVME_CTRL_FAILFAST_EXPIRED 0 struct nvmf_ctrl_options *opts; struct page *discard_page; @@ -442,6 +446,7 @@ struct nvme_ns { #define NVME_NS_REMOVING 0 #define NVME_NS_DEAD 1 #define NVME_NS_ANA_PENDING 2 +#define NVME_NS_FORCE_RO 3 struct nvme_fault_inject fault_inject; @@ -604,6 +609,8 @@ void nvme_start_freeze(struct nvme_ctrl *ctrl); #define NVME_QID_ANY -1 struct request *nvme_alloc_request(struct request_queue *q, + struct nvme_command *cmd, blk_mq_req_flags_t flags); +struct request *nvme_alloc_request_qid(struct request_queue *q, struct nvme_command *cmd, blk_mq_req_flags_t flags, int qid); void nvme_cleanup_cmd(struct request *req); blk_status_t nvme_setup_cmd(struct nvme_ns *ns, struct request *req, diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 3be352403839..b4385cb0ff60 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1319,13 +1319,12 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved) req->tag, nvmeq->qid); abort_req = nvme_alloc_request(dev->ctrl.admin_q, &cmd, - BLK_MQ_REQ_NOWAIT, NVME_QID_ANY); + BLK_MQ_REQ_NOWAIT); if (IS_ERR(abort_req)) { atomic_inc(&dev->ctrl.abort_limit); return BLK_EH_RESET_TIMER; } - abort_req->timeout = ADMIN_TIMEOUT; abort_req->end_io_data = NULL; blk_execute_rq_nowait(abort_req->q, NULL, abort_req, 0, abort_endio); @@ -1622,7 +1621,7 @@ static int nvme_alloc_admin_tags(struct nvme_dev *dev) dev->admin_tagset.nr_hw_queues = 1; dev->admin_tagset.queue_depth = NVME_AQ_MQ_TAG_DEPTH; - dev->admin_tagset.timeout = ADMIN_TIMEOUT; + dev->admin_tagset.timeout = NVME_ADMIN_TIMEOUT; dev->admin_tagset.numa_node = dev->ctrl.numa_node; dev->admin_tagset.cmd_size = sizeof(struct nvme_iod); dev->admin_tagset.flags = BLK_MQ_F_NO_SCHED; @@ -2104,6 +2103,12 @@ static void nvme_disable_io_queues(struct nvme_dev *dev) static unsigned int nvme_max_io_queues(struct nvme_dev *dev) { + /* + * If tags are shared with admin queue (Apple bug), then + * make sure we only use one IO queue. + */ + if (dev->ctrl.quirks & NVME_QUIRK_SHARED_TAGS) + return 1; return num_possible_cpus() + dev->nr_write_queues + dev->nr_poll_queues; } @@ -2122,16 +2127,7 @@ static int nvme_setup_io_queues(struct nvme_dev *dev) dev->nr_write_queues = write_queues; dev->nr_poll_queues = poll_queues; - /* - * If tags are shared with admin queue (Apple bug), then - * make sure we only use one IO queue. - */ - if (dev->ctrl.quirks & NVME_QUIRK_SHARED_TAGS) - nr_io_queues = 1; - else - nr_io_queues = min(nvme_max_io_queues(dev), - dev->nr_allocated_queues - 1); - + nr_io_queues = dev->nr_allocated_queues - 1; result = nvme_set_queue_count(&dev->ctrl, &nr_io_queues); if (result < 0) return result; @@ -2234,11 +2230,10 @@ static int nvme_delete_queue(struct nvme_queue *nvmeq, u8 opcode) cmd.delete_queue.opcode = opcode; cmd.delete_queue.qid = cpu_to_le16(nvmeq->qid); - req = nvme_alloc_request(q, &cmd, BLK_MQ_REQ_NOWAIT, NVME_QID_ANY); + req = nvme_alloc_request(q, &cmd, BLK_MQ_REQ_NOWAIT); if (IS_ERR(req)) return PTR_ERR(req); - req->timeout = ADMIN_TIMEOUT; req->end_io_data = nvmeq; init_completion(&nvmeq->delete_done); @@ -2254,7 +2249,7 @@ static bool __nvme_disable_io_queues(struct nvme_dev *dev, u8 opcode) unsigned long timeout; retry: - timeout = ADMIN_TIMEOUT; + timeout = NVME_ADMIN_TIMEOUT; while (nr_queues > 0) { if (nvme_delete_queue(&dev->queues[nr_queues], opcode)) break; diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 65e3d0ef36e1..cf6c49d09c82 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -797,7 +797,7 @@ static struct blk_mq_tag_set *nvme_rdma_alloc_tagset(struct nvme_ctrl *nctrl, NVME_RDMA_DATA_SGL_SIZE; set->driver_data = ctrl; set->nr_hw_queues = 1; - set->timeout = ADMIN_TIMEOUT; + set->timeout = NVME_ADMIN_TIMEOUT; set->flags = BLK_MQ_F_NO_SCHED; } else { set = &ctrl->tag_set; @@ -853,7 +853,7 @@ static int nvme_rdma_configure_admin_queue(struct nvme_rdma_ctrl *ctrl, return error; ctrl->device = ctrl->queues[0].device; - ctrl->ctrl.numa_node = dev_to_node(ctrl->device->dev->dma_device); + ctrl->ctrl.numa_node = ibdev_to_node(ctrl->device->dev); /* T10-PI support */ if (ctrl->device->dev->attrs.device_cap_flags & diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index c0c33320fe65..1ba659927442 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -1568,7 +1568,7 @@ static struct blk_mq_tag_set *nvme_tcp_alloc_tagset(struct nvme_ctrl *nctrl, set->cmd_size = sizeof(struct nvme_tcp_request); set->driver_data = ctrl; set->nr_hw_queues = 1; - set->timeout = ADMIN_TIMEOUT; + set->timeout = NVME_ADMIN_TIMEOUT; } else { set = &ctrl->tag_set; memset(set, 0, sizeof(*set)); diff --git a/drivers/nvme/host/zns.c b/drivers/nvme/host/zns.c index 67e87e9f306f..1dfe9a3500e3 100644 --- a/drivers/nvme/host/zns.c +++ b/drivers/nvme/host/zns.c @@ -55,12 +55,17 @@ int nvme_update_zone_info(struct nvme_ns *ns, unsigned lbaf) int status; /* Driver requires zone append support */ - if (!(le32_to_cpu(log->iocs[nvme_cmd_zone_append]) & + if ((le32_to_cpu(log->iocs[nvme_cmd_zone_append]) & NVME_CMD_EFFECTS_CSUPP)) { + if (test_and_clear_bit(NVME_NS_FORCE_RO, &ns->flags)) + dev_warn(ns->ctrl->device, + "Zone Append supported for zoned namespace:%d. Remove read-only mode\n", + ns->head->ns_id); + } else { + set_bit(NVME_NS_FORCE_RO, &ns->flags); dev_warn(ns->ctrl->device, - "append not supported for zoned namespace:%d\n", - ns->head->ns_id); - return -EINVAL; + "Zone Append not supported for zoned namespace:%d. Forcing to read-only mode\n", + ns->head->ns_id); } /* Lazily query controller append limit for the first zoned namespace */ |