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path: root/drivers/nvme/host/pci.c
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Diffstat (limited to 'drivers/nvme/host/pci.c')
-rw-r--r--drivers/nvme/host/pci.c53
1 files changed, 33 insertions, 20 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 278bed4e35bb..3ad7f197c808 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1130,8 +1130,9 @@ static inline void nvme_handle_cqe(struct nvme_queue *nvmeq,
trace_nvme_sq(req, cqe->sq_head, nvmeq->sq_tail);
if (!nvme_try_complete_req(req, cqe->status, cqe->result) &&
- !blk_mq_add_to_batch(req, iob, nvme_req(req)->status,
- nvme_pci_complete_batch))
+ !blk_mq_add_to_batch(req, iob,
+ nvme_req(req)->status != NVME_SC_SUCCESS,
+ nvme_pci_complete_batch))
nvme_pci_complete_rq(req);
}
@@ -1411,9 +1412,20 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req)
struct nvme_dev *dev = nvmeq->dev;
struct request *abort_req;
struct nvme_command cmd = { };
+ struct pci_dev *pdev = to_pci_dev(dev->dev);
u32 csts = readl(dev->bar + NVME_REG_CSTS);
u8 opcode;
+ /*
+ * Shutdown the device immediately if we see it is disconnected. This
+ * unblocks PCIe error handling if the nvme driver is waiting in
+ * error_resume for a device that has been removed. We can't unbind the
+ * driver while the driver's error callback is waiting to complete, so
+ * we're relying on a timeout to break that deadlock if a removal
+ * occurs while reset work is running.
+ */
+ if (pci_dev_is_disconnected(pdev))
+ nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_DELETING);
if (nvme_state_terminal(&dev->ctrl))
goto disable;
@@ -1421,7 +1433,7 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req)
* the recovery mechanism will surely fail.
*/
mb();
- if (pci_channel_offline(to_pci_dev(dev->dev)))
+ if (pci_channel_offline(pdev))
return BLK_EH_RESET_TIMER;
/*
@@ -1983,6 +1995,18 @@ static void nvme_map_cmb(struct nvme_dev *dev)
return;
/*
+ * Controllers may support a CMB size larger than their BAR, for
+ * example, due to being behind a bridge. Reduce the CMB to the
+ * reported size of the BAR
+ */
+ size = min(size, bar_size - offset);
+
+ if (!IS_ALIGNED(size, memremap_compat_align()) ||
+ !IS_ALIGNED(pci_resource_start(pdev, bar),
+ memremap_compat_align()))
+ return;
+
+ /*
* Tell the controller about the host side address mapping the CMB,
* and enable CMB decoding for the NVMe 1.4+ scheme:
*/
@@ -1992,17 +2016,10 @@ static void nvme_map_cmb(struct nvme_dev *dev)
dev->bar + NVME_REG_CMBMSC);
}
- /*
- * Controllers may support a CMB size larger than their BAR,
- * for example, due to being behind a bridge. Reduce the CMB to
- * the reported size of the BAR
- */
- if (size > bar_size - offset)
- size = bar_size - offset;
-
if (pci_p2pdma_add_resource(pdev, bar, size, offset)) {
dev_warn(dev->ctrl.device,
"failed to register the CMB\n");
+ hi_lo_writeq(0, dev->bar + NVME_REG_CMBMSC);
return;
}
@@ -2153,14 +2170,6 @@ static int nvme_alloc_host_mem_multi(struct nvme_dev *dev, u64 preferred,
return 0;
out_free_bufs:
- while (--i >= 0) {
- size_t size = le32_to_cpu(descs[i].size) * NVME_CTRL_PAGE_SIZE;
-
- dma_free_attrs(dev->dev, size, bufs[i],
- le64_to_cpu(descs[i].addr),
- DMA_ATTR_NO_KERNEL_MAPPING | DMA_ATTR_NO_WARN);
- }
-
kfree(bufs);
out_free_descs:
dma_free_coherent(dev->dev, descs_size, descs, descs_dma);
@@ -3147,7 +3156,9 @@ static unsigned long check_vendor_combination_bug(struct pci_dev *pdev)
* because of high power consumption (> 2 Watt) in s2idle
* sleep. Only some boards with Intel CPU are affected.
*/
- if (dmi_match(DMI_BOARD_NAME, "GMxPXxx") ||
+ if (dmi_match(DMI_BOARD_NAME, "DN50Z-140HC-YD") ||
+ dmi_match(DMI_BOARD_NAME, "GMxPXxx") ||
+ dmi_match(DMI_BOARD_NAME, "GXxMRXx") ||
dmi_match(DMI_BOARD_NAME, "PH4PG31") ||
dmi_match(DMI_BOARD_NAME, "PH4PRX1_PH6PRX1") ||
dmi_match(DMI_BOARD_NAME, "PH6PG01_PH6PG71"))
@@ -3712,6 +3723,8 @@ static const struct pci_device_id nvme_id_table[] = {
.driver_data = NVME_QUIRK_BOGUS_NID, },
{ PCI_DEVICE(0x1cc1, 0x5350), /* ADATA XPG GAMMIX S50 */
.driver_data = NVME_QUIRK_BOGUS_NID, },
+ { PCI_DEVICE(0x1dbe, 0x5216), /* Acer/INNOGRIT FA100/5216 NVMe SSD */
+ .driver_data = NVME_QUIRK_BOGUS_NID, },
{ PCI_DEVICE(0x1dbe, 0x5236), /* ADATA XPG GAMMIX S70 */
.driver_data = NVME_QUIRK_BOGUS_NID, },
{ PCI_DEVICE(0x1e49, 0x0021), /* ZHITAI TiPro5000 NVMe SSD */