diff options
Diffstat (limited to 'drivers/nvme/host/pci.c')
| -rw-r--r-- | drivers/nvme/host/pci.c | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 0f093f14d348..befac5b19490 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1394,7 +1394,7 @@ static int nvme_setup_io_queues(struct nvme_dev *dev) struct pci_dev *pdev = to_pci_dev(dev->dev); int result, i, vecs, nr_io_queues, size; - nr_io_queues = num_possible_cpus(); + nr_io_queues = num_online_cpus(); result = nvme_set_queue_count(&dev->ctrl, &nr_io_queues); if (result < 0) return result; @@ -1551,12 +1551,12 @@ static int nvme_delete_queue(struct nvme_queue *nvmeq, u8 opcode) static void nvme_disable_io_queues(struct nvme_dev *dev) { - int pass; + int pass, queues = dev->online_queues - 1; unsigned long timeout; u8 opcode = nvme_admin_delete_sq; for (pass = 0; pass < 2; pass++) { - int sent = 0, i = dev->queue_count - 1; + int sent = 0, i = queues; reinit_completion(&dev->ioq_wait); retry: @@ -1679,9 +1679,14 @@ static int nvme_pci_enable(struct nvme_dev *dev) static void nvme_dev_unmap(struct nvme_dev *dev) { + struct pci_dev *pdev = to_pci_dev(dev->dev); + int bars; + if (dev->bar) iounmap(dev->bar); - pci_release_regions(to_pci_dev(dev->dev)); + + bars = pci_select_bars(pdev, IORESOURCE_MEM); + pci_release_selected_regions(pdev, bars); } static void nvme_pci_disable(struct nvme_dev *dev) @@ -1857,7 +1862,7 @@ static void nvme_remove_dead_ctrl_work(struct work_struct *work) nvme_kill_queues(&dev->ctrl); if (pci_get_drvdata(pdev)) - pci_stop_and_remove_bus_device_locked(pdev); + device_release_driver(&pdev->dev); nvme_put_ctrl(&dev->ctrl); } @@ -1924,7 +1929,7 @@ static int nvme_dev_map(struct nvme_dev *dev) return 0; release: - pci_release_regions(pdev); + pci_release_selected_regions(pdev, bars); return -ENODEV; } @@ -2017,6 +2022,10 @@ static void nvme_remove(struct pci_dev *pdev) nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_DELETING); pci_set_drvdata(pdev, NULL); + + if (!pci_device_is_present(pdev)) + nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_DEAD); + flush_work(&dev->reset_work); nvme_uninit_ctrl(&dev->ctrl); nvme_dev_disable(dev, true); @@ -2060,14 +2069,17 @@ static pci_ers_result_t nvme_error_detected(struct pci_dev *pdev, * shutdown the controller to quiesce. The controller will be restarted * after the slot reset through driver's slot_reset callback. */ - dev_warn(dev->ctrl.device, "error detected: state:%d\n", state); switch (state) { case pci_channel_io_normal: return PCI_ERS_RESULT_CAN_RECOVER; case pci_channel_io_frozen: + dev_warn(dev->ctrl.device, + "frozen state error detected, reset controller\n"); nvme_dev_disable(dev, false); return PCI_ERS_RESULT_NEED_RESET; case pci_channel_io_perm_failure: + dev_warn(dev->ctrl.device, + "failure state error detected, request disconnect\n"); return PCI_ERS_RESULT_DISCONNECT; } return PCI_ERS_RESULT_NEED_RESET; @@ -2102,6 +2114,12 @@ static const struct pci_device_id nvme_id_table[] = { { PCI_VDEVICE(INTEL, 0x0953), .driver_data = NVME_QUIRK_STRIPE_SIZE | NVME_QUIRK_DISCARD_ZEROES, }, + { PCI_VDEVICE(INTEL, 0x0a53), + .driver_data = NVME_QUIRK_STRIPE_SIZE | + NVME_QUIRK_DISCARD_ZEROES, }, + { PCI_VDEVICE(INTEL, 0x0a54), + .driver_data = NVME_QUIRK_STRIPE_SIZE | + NVME_QUIRK_DISCARD_ZEROES, }, { PCI_VDEVICE(INTEL, 0x5845), /* Qemu emulated controller */ .driver_data = NVME_QUIRK_IDENTIFY_CNS, }, { PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_EXPRESS, 0xffffff) }, |