diff options
Diffstat (limited to 'drivers/nvme/host/pci.c')
| -rw-r--r-- | drivers/nvme/host/pci.c | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index ba725ae47305..8984796db0c8 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -120,7 +120,7 @@ struct nvme_dev { unsigned max_qid; unsigned io_queues[HCTX_MAX_TYPES]; unsigned int num_vecs; - u16 q_depth; + u32 q_depth; int io_sqes; u32 db_stride; void __iomem *bar; @@ -157,13 +157,13 @@ struct nvme_dev { static int io_queue_depth_set(const char *val, const struct kernel_param *kp) { int ret; - u16 n; + u32 n; - ret = kstrtou16(val, 10, &n); + ret = kstrtou32(val, 10, &n); if (ret != 0 || n < 2) return -EINVAL; - return param_set_ushort(val, kp); + return param_set_uint(val, kp); } static inline unsigned int sq_idx(unsigned int qid, u32 stride) @@ -195,7 +195,7 @@ struct nvme_queue { dma_addr_t sq_dma_addr; dma_addr_t cq_dma_addr; u32 __iomem *q_db; - u16 q_depth; + u32 q_depth; u16 cq_vector; u16 sq_tail; u16 cq_head; @@ -940,13 +940,6 @@ static inline void nvme_handle_cqe(struct nvme_queue *nvmeq, u16 idx) struct nvme_completion *cqe = &nvmeq->cqes[idx]; struct request *req; - if (unlikely(cqe->command_id >= nvmeq->q_depth)) { - dev_warn(nvmeq->dev->ctrl.device, - "invalid id %d completed on queue %d\n", - cqe->command_id, le16_to_cpu(cqe->sq_id)); - return; - } - /* * AEN requests are special as they don't time out and can * survive any kind of queue freeze and often don't respond to @@ -960,8 +953,15 @@ static inline void nvme_handle_cqe(struct nvme_queue *nvmeq, u16 idx) } req = blk_mq_tag_to_rq(nvme_queue_tagset(nvmeq), cqe->command_id); + if (unlikely(!req)) { + dev_warn(nvmeq->dev->ctrl.device, + "invalid id %d completed on queue %d\n", + cqe->command_id, le16_to_cpu(cqe->sq_id)); + return; + } + trace_nvme_sq(req, cqe->sq_head, nvmeq->sq_tail); - if (!nvme_end_request(req, cqe->status, cqe->result)) + if (!nvme_try_complete_req(req, cqe->status, cqe->result)) nvme_pci_complete_rq(req); } @@ -1244,13 +1244,13 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved) switch (dev->ctrl.state) { case NVME_CTRL_CONNECTING: nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_DELETING); - /* fall through */ + fallthrough; case NVME_CTRL_DELETING: dev_warn_ratelimited(dev->ctrl.device, "I/O %d QID %d timeout, disable controller\n", req->tag, nvmeq->qid); - nvme_dev_disable(dev, true); nvme_req(req)->flags |= NVME_REQ_CANCELLED; + nvme_dev_disable(dev, true); return BLK_EH_DONE; case NVME_CTRL_RESETTING: return BLK_EH_RESET_TIMER; @@ -1267,10 +1267,10 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved) dev_warn(dev->ctrl.device, "I/O %d QID %d timeout, reset controller\n", req->tag, nvmeq->qid); + nvme_req(req)->flags |= NVME_REQ_CANCELLED; nvme_dev_disable(dev, false); nvme_reset_ctrl(&dev->ctrl); - nvme_req(req)->flags |= NVME_REQ_CANCELLED; return BLK_EH_DONE; } @@ -2320,7 +2320,7 @@ static int nvme_pci_enable(struct nvme_dev *dev) dev->ctrl.cap = lo_hi_readq(dev->bar + NVME_REG_CAP); - dev->q_depth = min_t(u16, NVME_CAP_MQES(dev->ctrl.cap) + 1, + dev->q_depth = min_t(u32, NVME_CAP_MQES(dev->ctrl.cap) + 1, io_queue_depth); dev->ctrl.sqsize = dev->q_depth - 1; /* 0's based queue depth */ dev->db_stride = 1 << NVME_CAP_STRIDE(dev->ctrl.cap); @@ -2460,7 +2460,8 @@ static int nvme_disable_prepare_reset(struct nvme_dev *dev, bool shutdown) static int nvme_setup_prp_pools(struct nvme_dev *dev) { dev->prp_page_pool = dma_pool_create("prp list page", dev->dev, - PAGE_SIZE, PAGE_SIZE, 0); + NVME_CTRL_PAGE_SIZE, + NVME_CTRL_PAGE_SIZE, 0); if (!dev->prp_page_pool) return -ENOMEM; @@ -3152,7 +3153,8 @@ static const struct pci_device_id nvme_id_table[] = { { PCI_VDEVICE(INTEL, 0xf1a5), /* Intel 600P/P3100 */ .driver_data = NVME_QUIRK_NO_DEEPEST_PS | NVME_QUIRK_MEDIUM_PRIO_SQ | - NVME_QUIRK_NO_TEMP_THRESH_CHANGE }, + NVME_QUIRK_NO_TEMP_THRESH_CHANGE | + NVME_QUIRK_DISABLE_WRITE_ZEROES, }, { PCI_VDEVICE(INTEL, 0xf1a6), /* Intel 760p/Pro 7600p */ .driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN, }, { PCI_VDEVICE(INTEL, 0x5845), /* Qemu emulated controller */ |