diff options
| -rw-r--r-- | drivers/nvme/host/pci.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 8754b4a5c684..8e7dbe0ab890 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1298,9 +1298,7 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req) */ if (nvme_should_reset(dev, csts)) { nvme_warn_reset(dev, csts); - nvme_dev_disable(dev, false); - nvme_reset_ctrl(&dev->ctrl); - return BLK_EH_DONE; + goto disable; } /* @@ -1351,10 +1349,7 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req) "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); - - return BLK_EH_DONE; + goto disable; } if (atomic_dec_return(&dev->ctrl.abort_limit) < 0) { @@ -1391,6 +1386,15 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req) * as the device then is in a faulty state. */ return BLK_EH_RESET_TIMER; + +disable: + if (!nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_RESETTING)) + return BLK_EH_DONE; + + nvme_dev_disable(dev, false); + if (nvme_try_sched_reset(&dev->ctrl)) + nvme_unquiesce_io_queues(&dev->ctrl); + return BLK_EH_DONE; } static void nvme_free_queue(struct nvme_queue *nvmeq) @@ -3278,6 +3282,10 @@ static pci_ers_result_t nvme_error_detected(struct pci_dev *pdev, case pci_channel_io_frozen: dev_warn(dev->ctrl.device, "frozen state error detected, reset controller\n"); + if (!nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_RESETTING)) { + nvme_dev_disable(dev, true); + return PCI_ERS_RESULT_DISCONNECT; + } nvme_dev_disable(dev, false); return PCI_ERS_RESULT_NEED_RESET; case pci_channel_io_perm_failure: @@ -3294,7 +3302,8 @@ static pci_ers_result_t nvme_slot_reset(struct pci_dev *pdev) dev_info(dev->ctrl.device, "restart after slot reset\n"); pci_restore_state(pdev); - nvme_reset_ctrl(&dev->ctrl); + if (!nvme_try_sched_reset(&dev->ctrl)) + nvme_unquiesce_io_queues(&dev->ctrl); return PCI_ERS_RESULT_RECOVERED; } |