diff options
Diffstat (limited to 'drivers/nvme/host/pci.c')
-rw-r--r-- | drivers/nvme/host/pci.c | 57 |
1 files changed, 38 insertions, 19 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 507bc149046d..c1d6357ec98a 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1233,7 +1233,7 @@ static bool nvme_should_reset(struct nvme_dev *dev, u32 csts) bool nssro = dev->subsystem && (csts & NVME_CSTS_NSSRO); /* If there is a reset/reinit ongoing, we shouldn't reset again. */ - switch (dev->ctrl.state) { + switch (nvme_ctrl_state(&dev->ctrl)) { case NVME_CTRL_RESETTING: case NVME_CTRL_CONNECTING: return false; @@ -1284,6 +1284,7 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req) struct request *abort_req; struct nvme_command cmd = { }; u32 csts = readl(dev->bar + NVME_REG_CSTS); + u8 opcode; /* If PCI error recovery process is happening, we cannot reset or * the recovery mechanism will surely fail. @@ -1310,8 +1311,8 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req) if (blk_mq_rq_state(req) != MQ_RQ_IN_FLIGHT) { dev_warn(dev->ctrl.device, - "I/O %d QID %d timeout, completion polled\n", - req->tag, nvmeq->qid); + "I/O tag %d (%04x) QID %d timeout, completion polled\n", + req->tag, nvme_cid(req), nvmeq->qid); return BLK_EH_DONE; } @@ -1321,14 +1322,14 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req) * cancellation error. All outstanding requests are completed on * shutdown, so we return BLK_EH_DONE. */ - switch (dev->ctrl.state) { + switch (nvme_ctrl_state(&dev->ctrl)) { case NVME_CTRL_CONNECTING: nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_DELETING); fallthrough; case NVME_CTRL_DELETING: dev_warn_ratelimited(dev->ctrl.device, - "I/O %d QID %d timeout, disable controller\n", - req->tag, nvmeq->qid); + "I/O tag %d (%04x) QID %d timeout, disable controller\n", + req->tag, nvme_cid(req), nvmeq->qid); nvme_req(req)->flags |= NVME_REQ_CANCELLED; nvme_dev_disable(dev, true); return BLK_EH_DONE; @@ -1343,10 +1344,12 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req) * command was already aborted once before and still hasn't been * returned to the driver, or if this is the admin queue. */ + opcode = nvme_req(req)->cmd->common.opcode; if (!nvmeq->qid || iod->aborted) { dev_warn(dev->ctrl.device, - "I/O %d QID %d timeout, reset controller\n", - req->tag, nvmeq->qid); + "I/O tag %d (%04x) opcode %#x (%s) QID %d timeout, reset controller\n", + req->tag, nvme_cid(req), opcode, + nvme_opcode_str(nvmeq->qid, opcode, 0), nvmeq->qid); nvme_req(req)->flags |= NVME_REQ_CANCELLED; goto disable; } @@ -1362,10 +1365,10 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req) cmd.abort.sqid = cpu_to_le16(nvmeq->qid); dev_warn(nvmeq->dev->ctrl.device, - "I/O %d (%s) QID %d timeout, aborting\n", - req->tag, - nvme_get_opcode_str(nvme_req(req)->cmd->common.opcode), - nvmeq->qid); + "I/O tag %d (%04x) opcode %#x (%s) QID %d timeout, aborting req_op:%s(%u) size:%u\n", + req->tag, nvme_cid(req), opcode, nvme_get_opcode_str(opcode), + nvmeq->qid, blk_op_str(req_op(req)), req_op(req), + blk_rq_bytes(req)); abort_req = blk_mq_alloc_request(dev->ctrl.admin_q, nvme_req_op(&cmd), BLK_MQ_REQ_NOWAIT); @@ -1593,7 +1596,7 @@ static int nvme_setup_io_queues_trylock(struct nvme_dev *dev) /* * Controller is in wrong state, fail early. */ - if (dev->ctrl.state != NVME_CTRL_CONNECTING) { + if (nvme_ctrl_state(&dev->ctrl) != NVME_CTRL_CONNECTING) { mutex_unlock(&dev->shutdown_lock); return -ENODEV; } @@ -2573,13 +2576,13 @@ static bool nvme_pci_ctrl_is_dead(struct nvme_dev *dev) static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown) { + enum nvme_ctrl_state state = nvme_ctrl_state(&dev->ctrl); struct pci_dev *pdev = to_pci_dev(dev->dev); bool dead; mutex_lock(&dev->shutdown_lock); dead = nvme_pci_ctrl_is_dead(dev); - if (dev->ctrl.state == NVME_CTRL_LIVE || - dev->ctrl.state == NVME_CTRL_RESETTING) { + if (state == NVME_CTRL_LIVE || state == NVME_CTRL_RESETTING) { if (pci_is_enabled(pdev)) nvme_start_freeze(&dev->ctrl); /* @@ -2690,7 +2693,7 @@ static void nvme_reset_work(struct work_struct *work) bool was_suspend = !!(dev->ctrl.ctrl_config & NVME_CC_SHN_NORMAL); int result; - if (dev->ctrl.state != NVME_CTRL_RESETTING) { + if (nvme_ctrl_state(&dev->ctrl) != NVME_CTRL_RESETTING) { dev_warn(dev->ctrl.device, "ctrl state %d is not RESETTING\n", dev->ctrl.state); result = -ENODEV; @@ -2743,10 +2746,10 @@ static void nvme_reset_work(struct work_struct *work) * controller around but remove all namespaces. */ if (dev->online_queues > 1) { + nvme_dbbuf_set(dev); nvme_unquiesce_io_queues(&dev->ctrl); nvme_wait_freeze(&dev->ctrl); nvme_pci_update_nr_queues(dev); - nvme_dbbuf_set(dev); nvme_unfreeze(&dev->ctrl); } else { dev_warn(dev->ctrl.device, "IO queues lost\n"); @@ -2902,6 +2905,18 @@ static unsigned long check_vendor_combination_bug(struct pci_dev *pdev) if ((dmi_match(DMI_BOARD_VENDOR, "LENOVO")) && dmi_match(DMI_BOARD_NAME, "LNVNB161216")) return NVME_QUIRK_SIMPLE_SUSPEND; + } else if (pdev->vendor == 0x2646 && (pdev->device == 0x2263 || + pdev->device == 0x500f)) { + /* + * Exclude some Kingston NV1 and A2000 devices from + * NVME_QUIRK_SIMPLE_SUSPEND. Do a full suspend to save a + * lot fo energy with s2idle sleep on some TUXEDO platforms. + */ + if (dmi_match(DMI_BOARD_NAME, "NS5X_NS7XAU") || + dmi_match(DMI_BOARD_NAME, "NS5x_7xAU") || + dmi_match(DMI_BOARD_NAME, "NS5x_7xPU") || + dmi_match(DMI_BOARD_NAME, "PH4PRX1_PH6PRX1")) + return NVME_QUIRK_FORCE_NO_SIMPLE_SUSPEND; } return 0; @@ -2932,7 +2947,9 @@ static struct nvme_dev *nvme_pci_alloc_dev(struct pci_dev *pdev, dev->dev = get_device(&pdev->dev); quirks |= check_vendor_combination_bug(pdev); - if (!noacpi && acpi_storage_d3(&pdev->dev)) { + if (!noacpi && + !(quirks & NVME_QUIRK_FORCE_NO_SIMPLE_SUSPEND) && + acpi_storage_d3(&pdev->dev)) { /* * Some systems use a bios work around to ask for D3 on * platforms that support kernel managed suspend. @@ -3192,7 +3209,7 @@ static int nvme_suspend(struct device *dev) nvme_wait_freeze(ctrl); nvme_sync_queues(ctrl); - if (ctrl->state != NVME_CTRL_LIVE) + if (nvme_ctrl_state(ctrl) != NVME_CTRL_LIVE) goto unfreeze; /* @@ -3394,6 +3411,8 @@ static const struct pci_device_id nvme_id_table[] = { .driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, }, { PCI_DEVICE(0x1c5c, 0x174a), /* SK Hynix P31 SSD */ .driver_data = NVME_QUIRK_BOGUS_NID, }, + { PCI_DEVICE(0x1c5c, 0x1D59), /* SK Hynix BC901 */ + .driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, }, { PCI_DEVICE(0x15b7, 0x2001), /* Sandisk Skyhawk */ .driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, }, { PCI_DEVICE(0x1d97, 0x2263), /* SPCC */ |