diff options
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/core.c | 25 | ||||
| -rw-r--r-- | drivers/nvme/host/ioctl.c | 15 | ||||
| -rw-r--r-- | drivers/nvme/host/multipath.c | 3 | ||||
| -rw-r--r-- | drivers/nvme/host/nvme.h | 26 | ||||
| -rw-r--r-- | drivers/nvme/host/pci.c | 22 | ||||
| -rw-r--r-- | drivers/nvme/host/tcp.c | 10 | ||||
| -rw-r--r-- | drivers/nvme/target/auth.c | 10 | ||||
| -rw-r--r-- | drivers/nvme/target/configfs.c | 12 | ||||
| -rw-r--r-- | drivers/nvme/target/core.c | 8 | ||||
| -rw-r--r-- | drivers/nvme/target/nvmet.h | 1 | ||||
| -rw-r--r-- | drivers/nvme/target/rdma.c | 16 | ||||
| -rw-r--r-- | drivers/nvme/target/tcp.c | 11 | ||||
| -rw-r--r-- | drivers/nvme/target/zns.c | 10 |
13 files changed, 102 insertions, 67 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 27281a9a8951..bf7615cb36ee 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -629,27 +629,6 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, EXPORT_SYMBOL_GPL(nvme_change_ctrl_state); /* - * Returns true for sink states that can't ever transition back to live. - */ -static bool nvme_state_terminal(struct nvme_ctrl *ctrl) -{ - switch (nvme_ctrl_state(ctrl)) { - case NVME_CTRL_NEW: - case NVME_CTRL_LIVE: - case NVME_CTRL_RESETTING: - case NVME_CTRL_CONNECTING: - return false; - case NVME_CTRL_DELETING: - case NVME_CTRL_DELETING_NOIO: - case NVME_CTRL_DEAD: - return true; - default: - WARN_ONCE(1, "Unhandled ctrl state:%d", ctrl->state); - return true; - } -} - -/* * Waits for the controller state to be resetting, or returns false if it is * not possible to ever transition to that state. */ @@ -2153,7 +2132,7 @@ static int nvme_update_ns_info_block(struct nvme_ns *ns, blk_mq_unfreeze_queue(ns->disk->queue); if (blk_queue_is_zoned(ns->queue)) { - ret = blk_revalidate_disk_zones(ns->disk, NULL); + ret = blk_revalidate_disk_zones(ns->disk); if (ret && !nvme_first_scan(ns->disk)) goto out; } @@ -3681,7 +3660,7 @@ static int nvme_init_ns_head(struct nvme_ns *ns, struct nvme_ns_info *info) "Found shared namespace %d, but multipathing not supported.\n", info->nsid); dev_warn_once(ctrl->device, - "Support for shared namespaces without CONFIG_NVME_MULTIPATH is deprecated and will be removed in Linux 6.0\n."); + "Support for shared namespaces without CONFIG_NVME_MULTIPATH is deprecated and will be removed in Linux 6.0.\n"); } } diff --git a/drivers/nvme/host/ioctl.c b/drivers/nvme/host/ioctl.c index 3dfd5ae99ae0..499a8bb7cac7 100644 --- a/drivers/nvme/host/ioctl.c +++ b/drivers/nvme/host/ioctl.c @@ -423,13 +423,20 @@ static enum rq_end_io_ret nvme_uring_cmd_end_io(struct request *req, pdu->result = le64_to_cpu(nvme_req(req)->result.u64); /* - * For iopoll, complete it directly. + * For iopoll, complete it directly. Note that using the uring_cmd + * helper for this is safe only because we check blk_rq_is_poll(). + * As that returns false if we're NOT on a polled queue, then it's + * safe to use the polled completion helper. + * * Otherwise, move the completion to task work. */ - if (blk_rq_is_poll(req)) - nvme_uring_task_cb(ioucmd, IO_URING_F_UNLOCKED); - else + if (blk_rq_is_poll(req)) { + if (pdu->bio) + blk_rq_unmap_user(pdu->bio); + io_uring_cmd_iopoll_done(ioucmd, pdu->result, pdu->status); + } else { io_uring_cmd_do_in_task_lazy(ioucmd, nvme_uring_task_cb); + } return RQ_END_IO_FREE; } diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 5397fb428b24..d16e976ae1a4 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -247,7 +247,8 @@ static struct nvme_ns *__nvme_find_path(struct nvme_ns_head *head, int node) if (nvme_path_is_disabled(ns)) continue; - if (READ_ONCE(head->subsys->iopolicy) == NVME_IOPOLICY_NUMA) + if (ns->ctrl->numa_node != NUMA_NO_NODE && + READ_ONCE(head->subsys->iopolicy) == NVME_IOPOLICY_NUMA) distance = node_distance(node, ns->ctrl->numa_node); else distance = LOCAL_DISTANCE; diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index d0ed64dc7380..05532c281177 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -162,6 +162,11 @@ enum nvme_quirks { * Disables simple suspend/resume path. */ NVME_QUIRK_FORCE_NO_SIMPLE_SUSPEND = (1 << 20), + + /* + * MSI (but not MSI-X) interrupts are broken and never fire. + */ + NVME_QUIRK_BROKEN_MSI = (1 << 21), }; /* @@ -741,6 +746,27 @@ static inline bool nvme_is_aen_req(u16 qid, __u16 command_id) nvme_tag_from_cid(command_id) >= NVME_AQ_BLK_MQ_DEPTH; } +/* + * Returns true for sink states that can't ever transition back to live. + */ +static inline bool nvme_state_terminal(struct nvme_ctrl *ctrl) +{ + switch (nvme_ctrl_state(ctrl)) { + case NVME_CTRL_NEW: + case NVME_CTRL_LIVE: + case NVME_CTRL_RESETTING: + case NVME_CTRL_CONNECTING: + return false; + case NVME_CTRL_DELETING: + case NVME_CTRL_DELETING_NOIO: + case NVME_CTRL_DEAD: + return true; + default: + WARN_ONCE(1, "Unhandled ctrl state:%d", ctrl->state); + return true; + } +} + void nvme_complete_rq(struct request *req); void nvme_complete_batch_req(struct request *req); diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 8e0bb9692685..710043086dff 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1286,6 +1286,9 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req) u32 csts = readl(dev->bar + NVME_REG_CSTS); u8 opcode; + if (nvme_state_terminal(&dev->ctrl)) + goto disable; + /* If PCI error recovery process is happening, we cannot reset or * the recovery mechanism will surely fail. */ @@ -1390,8 +1393,11 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req) return BLK_EH_RESET_TIMER; disable: - if (!nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_RESETTING)) + if (!nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_RESETTING)) { + if (nvme_state_terminal(&dev->ctrl)) + nvme_dev_disable(dev, true); return BLK_EH_DONE; + } nvme_dev_disable(dev, false); if (nvme_try_sched_reset(&dev->ctrl)) @@ -2218,6 +2224,7 @@ static int nvme_setup_irqs(struct nvme_dev *dev, unsigned int nr_io_queues) .priv = dev, }; unsigned int irq_queues, poll_queues; + unsigned int flags = PCI_IRQ_ALL_TYPES | PCI_IRQ_AFFINITY; /* * Poll queues don't need interrupts, but we need at least one I/O queue @@ -2241,8 +2248,10 @@ static int nvme_setup_irqs(struct nvme_dev *dev, unsigned int nr_io_queues) irq_queues = 1; if (!(dev->ctrl.quirks & NVME_QUIRK_SINGLE_VECTOR)) irq_queues += (nr_io_queues - poll_queues); - return pci_alloc_irq_vectors_affinity(pdev, 1, irq_queues, - PCI_IRQ_ALL_TYPES | PCI_IRQ_AFFINITY, &affd); + if (dev->ctrl.quirks & NVME_QUIRK_BROKEN_MSI) + flags &= ~PCI_IRQ_MSI; + return pci_alloc_irq_vectors_affinity(pdev, 1, irq_queues, flags, + &affd); } static unsigned int nvme_max_io_queues(struct nvme_dev *dev) @@ -2471,6 +2480,7 @@ static int nvme_pci_enable(struct nvme_dev *dev) { int result = -ENOMEM; struct pci_dev *pdev = to_pci_dev(dev->dev); + unsigned int flags = PCI_IRQ_ALL_TYPES; if (pci_enable_device_mem(pdev)) return result; @@ -2487,7 +2497,9 @@ static int nvme_pci_enable(struct nvme_dev *dev) * interrupts. Pre-enable a single MSIX or MSI vec for setup. We'll * adjust this later. */ - result = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES); + if (dev->ctrl.quirks & NVME_QUIRK_BROKEN_MSI) + flags &= ~PCI_IRQ_MSI; + result = pci_alloc_irq_vectors(pdev, 1, 1, flags); if (result < 0) goto disable; @@ -3384,6 +3396,8 @@ static const struct pci_device_id nvme_id_table[] = { .driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY | NVME_QUIRK_DISABLE_WRITE_ZEROES| NVME_QUIRK_IGNORE_DEV_SUBNQN, }, + { PCI_DEVICE(0x15b7, 0x5008), /* Sandisk SN530 */ + .driver_data = NVME_QUIRK_BROKEN_MSI }, { PCI_DEVICE(0x1987, 0x5012), /* Phison E12 */ .driver_data = NVME_QUIRK_BOGUS_NID, }, { PCI_DEVICE(0x1987, 0x5016), /* Phison E16 */ diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index fdbcdcedcee9..28bc2f373cfa 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -360,12 +360,18 @@ static inline void nvme_tcp_send_all(struct nvme_tcp_queue *queue) } while (ret > 0); } -static inline bool nvme_tcp_queue_more(struct nvme_tcp_queue *queue) +static inline bool nvme_tcp_queue_has_pending(struct nvme_tcp_queue *queue) { return !list_empty(&queue->send_list) || !llist_empty(&queue->req_list); } +static inline bool nvme_tcp_queue_more(struct nvme_tcp_queue *queue) +{ + return !nvme_tcp_tls(&queue->ctrl->ctrl) && + nvme_tcp_queue_has_pending(queue); +} + static inline void nvme_tcp_queue_request(struct nvme_tcp_request *req, bool sync, bool last) { @@ -386,7 +392,7 @@ static inline void nvme_tcp_queue_request(struct nvme_tcp_request *req, mutex_unlock(&queue->send_mutex); } - if (last && nvme_tcp_queue_more(queue)) + if (last && nvme_tcp_queue_has_pending(queue)) queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); } diff --git a/drivers/nvme/target/auth.c b/drivers/nvme/target/auth.c index 3ddbc3880cac..4f08362aee8b 100644 --- a/drivers/nvme/target/auth.c +++ b/drivers/nvme/target/auth.c @@ -285,9 +285,9 @@ int nvmet_auth_host_hash(struct nvmet_req *req, u8 *response, } if (shash_len != crypto_shash_digestsize(shash_tfm)) { - pr_debug("%s: hash len mismatch (len %d digest %d)\n", - __func__, shash_len, - crypto_shash_digestsize(shash_tfm)); + pr_err("%s: hash len mismatch (len %d digest %d)\n", + __func__, shash_len, + crypto_shash_digestsize(shash_tfm)); ret = -EINVAL; goto out_free_tfm; } @@ -370,7 +370,7 @@ out_free_response: nvme_auth_free_key(transformed_key); out_free_tfm: crypto_free_shash(shash_tfm); - return 0; + return ret; } int nvmet_auth_ctrl_hash(struct nvmet_req *req, u8 *response, @@ -480,7 +480,7 @@ out_free_response: nvme_auth_free_key(transformed_key); out_free_tfm: crypto_free_shash(shash_tfm); - return 0; + return ret; } int nvmet_auth_ctrl_exponential(struct nvmet_req *req, diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c index a2325330bf22..7fda69395c1e 100644 --- a/drivers/nvme/target/configfs.c +++ b/drivers/nvme/target/configfs.c @@ -754,6 +754,18 @@ static struct configfs_attribute *nvmet_ns_attrs[] = { NULL, }; +bool nvmet_subsys_nsid_exists(struct nvmet_subsys *subsys, u32 nsid) +{ + struct config_item *ns_item; + char name[12]; + + snprintf(name, sizeof(name), "%u", nsid); + mutex_lock(&subsys->namespaces_group.cg_subsys->su_mutex); + ns_item = config_group_find_item(&subsys->namespaces_group, name); + mutex_unlock(&subsys->namespaces_group.cg_subsys->su_mutex); + return ns_item != NULL; +} + static void nvmet_ns_release(struct config_item *item) { struct nvmet_ns *ns = to_nvmet_ns(item); diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 8860a3eb71ec..2fde22323622 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -437,10 +437,13 @@ void nvmet_stop_keep_alive_timer(struct nvmet_ctrl *ctrl) u16 nvmet_req_find_ns(struct nvmet_req *req) { u32 nsid = le32_to_cpu(req->cmd->common.nsid); + struct nvmet_subsys *subsys = nvmet_req_subsys(req); - req->ns = xa_load(&nvmet_req_subsys(req)->namespaces, nsid); + req->ns = xa_load(&subsys->namespaces, nsid); if (unlikely(!req->ns)) { req->error_loc = offsetof(struct nvme_common_command, nsid); + if (nvmet_subsys_nsid_exists(subsys, nsid)) + return NVME_SC_INTERNAL_PATH_ERROR; return NVME_SC_INVALID_NS | NVME_SC_DNR; } @@ -1683,7 +1686,8 @@ static int __init nvmet_init(void) if (!buffered_io_wq) goto out_free_zbd_work_queue; - nvmet_wq = alloc_workqueue("nvmet-wq", WQ_MEM_RECLAIM, 0); + nvmet_wq = alloc_workqueue("nvmet-wq", + WQ_MEM_RECLAIM | WQ_UNBOUND, 0); if (!nvmet_wq) goto out_free_buffered_work_queue; diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index f460728e1df1..c1306de1f4dd 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -543,6 +543,7 @@ void nvmet_subsys_disc_changed(struct nvmet_subsys *subsys, struct nvmet_host *host); void nvmet_add_async_event(struct nvmet_ctrl *ctrl, u8 event_type, u8 event_info, u8 log_page); +bool nvmet_subsys_nsid_exists(struct nvmet_subsys *subsys, u32 nsid); #define NVMET_MIN_QUEUE_SIZE 16 #define NVMET_MAX_QUEUE_SIZE 1024 diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c index 5b8c63e74639..6e1b4140cde0 100644 --- a/drivers/nvme/target/rdma.c +++ b/drivers/nvme/target/rdma.c @@ -474,12 +474,8 @@ nvmet_rdma_alloc_rsps(struct nvmet_rdma_queue *queue) return 0; out_free: - while (--i >= 0) { - struct nvmet_rdma_rsp *rsp = &queue->rsps[i]; - - list_del(&rsp->free_list); - nvmet_rdma_free_rsp(ndev, rsp); - } + while (--i >= 0) + nvmet_rdma_free_rsp(ndev, &queue->rsps[i]); kfree(queue->rsps); out: return ret; @@ -490,12 +486,8 @@ static void nvmet_rdma_free_rsps(struct nvmet_rdma_queue *queue) struct nvmet_rdma_device *ndev = queue->dev; int i, nr_rsps = queue->recv_queue_size * 2; - for (i = 0; i < nr_rsps; i++) { - struct nvmet_rdma_rsp *rsp = &queue->rsps[i]; - - list_del(&rsp->free_list); - nvmet_rdma_free_rsp(ndev, rsp); - } + for (i = 0; i < nr_rsps; i++) + nvmet_rdma_free_rsp(ndev, &queue->rsps[i]); kfree(queue->rsps); } diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index a5422e2c979a..380f22ee3ebb 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -348,6 +348,7 @@ static int nvmet_tcp_check_ddgst(struct nvmet_tcp_queue *queue, void *pdu) return 0; } +/* If cmd buffers are NULL, no operation is performed */ static void nvmet_tcp_free_cmd_buffers(struct nvmet_tcp_cmd *cmd) { kfree(cmd->iov); @@ -1581,13 +1582,9 @@ static void nvmet_tcp_free_cmd_data_in_buffers(struct nvmet_tcp_queue *queue) struct nvmet_tcp_cmd *cmd = queue->cmds; int i; - for (i = 0; i < queue->nr_cmds; i++, cmd++) { - if (nvmet_tcp_need_data_in(cmd)) - nvmet_tcp_free_cmd_buffers(cmd); - } - - if (!queue->nr_cmds && nvmet_tcp_need_data_in(&queue->connect)) - nvmet_tcp_free_cmd_buffers(&queue->connect); + for (i = 0; i < queue->nr_cmds; i++, cmd++) + nvmet_tcp_free_cmd_buffers(cmd); + nvmet_tcp_free_cmd_buffers(&queue->connect); } static void nvmet_tcp_release_queue_work(struct work_struct *w) diff --git a/drivers/nvme/target/zns.c b/drivers/nvme/target/zns.c index 3148d9f1bde6..0021d06041c1 100644 --- a/drivers/nvme/target/zns.c +++ b/drivers/nvme/target/zns.c @@ -52,14 +52,10 @@ bool nvmet_bdev_zns_enable(struct nvmet_ns *ns) if (get_capacity(bd_disk) & (bdev_zone_sectors(ns->bdev) - 1)) return false; /* - * ZNS does not define a conventional zone type. If the underlying - * device has a bitmap set indicating the existence of conventional - * zones, reject the device. Otherwise, use report zones to detect if - * the device has conventional zones. + * ZNS does not define a conventional zone type. Use report zones + * to detect if the device has conventional zones and reject it if + * it does. */ - if (ns->bdev->bd_disk->conv_zones_bitmap) - return false; - ret = blkdev_report_zones(ns->bdev, 0, bdev_nr_zones(ns->bdev), validate_conv_zones_cb, NULL); if (ret < 0) |