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authorLinus Torvalds <torvalds@linux-foundation.org>2020-07-30 09:48:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-07-30 09:48:51 -0700
commite2c46b5762c616c249201688d3b9846627f78d2c (patch)
tree966ae8c6c65e93d4e5c2067f5358e5a736e0d0e0 /drivers
parent0513b9d75c07cbcdfda3778b636d3d131d679eb1 (diff)
parentd6364a867ccbf34a6afe0d57721ff64aa43befcd (diff)
Merge tag 'block-5.8-2020-07-30' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe: "Three NVMe fixes" * tag 'block-5.8-2020-07-30' of git://git.kernel.dk/linux-block: nvme: add a Identify Namespace Identification Descriptor list quirk nvme-pci: prevent SK hynix PC400 from using Write Zeroes command nvme-tcp: fix possible hang waiting for icresp response
Diffstat (limited to 'drivers')
-rw-r--r--drivers/nvme/host/core.c15
-rw-r--r--drivers/nvme/host/nvme.h7
-rw-r--r--drivers/nvme/host/pci.c4
-rw-r--r--drivers/nvme/host/tcp.c3
4 files changed, 17 insertions, 12 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index add040168e67..4ee2330c603e 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1102,6 +1102,9 @@ static int nvme_identify_ns_descs(struct nvme_ctrl *ctrl, unsigned nsid,
int pos;
int len;
+ if (ctrl->quirks & NVME_QUIRK_NO_NS_DESC_LIST)
+ return 0;
+
c.identify.opcode = nvme_admin_identify;
c.identify.nsid = cpu_to_le32(nsid);
c.identify.cns = NVME_ID_CNS_NS_DESC_LIST;
@@ -1115,18 +1118,6 @@ static int nvme_identify_ns_descs(struct nvme_ctrl *ctrl, unsigned nsid,
if (status) {
dev_warn(ctrl->device,
"Identify Descriptors failed (%d)\n", status);
- /*
- * Don't treat non-retryable errors as fatal, as we potentially
- * already have a NGUID or EUI-64. If we failed with DNR set,
- * we want to silently ignore the error as we can still
- * identify the device, but if the status has DNR set, we want
- * to propagate the error back specifically for the disk
- * revalidation flow to make sure we don't abandon the
- * device just because of a temporal retry-able error (such
- * as path of transport errors).
- */
- if (status > 0 && (status & NVME_SC_DNR))
- status = 0;
goto free_data;
}
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 1de3f9b827aa..09ffc3246f60 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -129,6 +129,13 @@ enum nvme_quirks {
* Don't change the value of the temperature threshold feature
*/
NVME_QUIRK_NO_TEMP_THRESH_CHANGE = (1 << 14),
+
+ /*
+ * The controller doesn't handle the Identify Namespace
+ * Identification Descriptor list subcommand despite claiming
+ * NVMe 1.3 compliance.
+ */
+ NVME_QUIRK_NO_NS_DESC_LIST = (1 << 15),
};
/*
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index b1d18f0633c7..d4b1ff747123 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3099,6 +3099,8 @@ static const struct pci_device_id nvme_id_table[] = {
{ PCI_VDEVICE(INTEL, 0x5845), /* Qemu emulated controller */
.driver_data = NVME_QUIRK_IDENTIFY_CNS |
NVME_QUIRK_DISABLE_WRITE_ZEROES, },
+ { PCI_DEVICE(0x126f, 0x2263), /* Silicon Motion unidentified */
+ .driver_data = NVME_QUIRK_NO_NS_DESC_LIST, },
{ PCI_DEVICE(0x1bb1, 0x0100), /* Seagate Nytro Flash Storage */
.driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, },
{ PCI_DEVICE(0x1c58, 0x0003), /* HGST adapter */
@@ -3122,6 +3124,8 @@ static const struct pci_device_id nvme_id_table[] = {
{ PCI_DEVICE(0x1cc1, 0x8201), /* ADATA SX8200PNP 512GB */
.driver_data = NVME_QUIRK_NO_DEEPEST_PS |
NVME_QUIRK_IGNORE_DEV_SUBNQN, },
+ { PCI_DEVICE(0x1c5c, 0x1504), /* SK Hynix PC400 */
+ .driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
{ PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_EXPRESS, 0xffffff) },
{ PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2001),
.driver_data = NVME_QUIRK_SINGLE_VECTOR },
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index 79ef2b8e2b3c..f3a91818167b 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -1382,6 +1382,9 @@ static int nvme_tcp_alloc_queue(struct nvme_ctrl *nctrl,
if (nctrl->opts->tos >= 0)
ip_sock_set_tos(queue->sock->sk, nctrl->opts->tos);
+ /* Set 10 seconds timeout for icresp recvmsg */
+ queue->sock->sk->sk_rcvtimeo = 10 * HZ;
+
queue->sock->sk->sk_allocation = GFP_ATOMIC;
nvme_tcp_set_queue_io_cpu(queue);
queue->request = NULL;