From: caojun <caojun@uniontech.com>
To: axboe@fb.com, hch@lst.de, sagi@grimberg.me
Cc: linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org,
caojun <caojun@uniontech.com>
Subject: [PATCH] add Intel 760p/Pro 7600p nvme disk
Date: Thu, 2 Dec 2021 11:02:30 +0800 [thread overview]
Message-ID: <20211202030230.17507-1-caojun@uniontech.com> (raw)
Signed-off-by: caojun <caojun@uniontech.com>
---
drivers/nvme/host/core.c | 16 +++++++++-------
drivers/nvme/host/nvme.h | 5 +++++
drivers/nvme/host/pci.c | 2 ++
3 files changed, 16 insertions(+), 7 deletions(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index e64310f22..8e0dbfb6a 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2155,14 +2155,16 @@ static void nvme_init_subnqn(struct nvme_subsystem *subsys, struct nvme_ctrl *ct
size_t nqnlen;
int off;
- nqnlen = strnlen(id->subnqn, NVMF_NQN_SIZE);
- if (nqnlen > 0 && nqnlen < NVMF_NQN_SIZE) {
- strncpy(subsys->subnqn, id->subnqn, NVMF_NQN_SIZE);
- return;
- }
+ if(!(ctrl->quirks & NVME_QUIRK_IGNORE_DEV_SUBNQN)) {
+ nqnlen = strnlen(id->subnqn, NVMF_NQN_SIZE);
+ if (nqnlen > 0 && nqnlen < NVMF_NQN_SIZE) {
+ strlcpy(subsys->subnqn, id->subnqn, NVMF_NQN_SIZE);
+ return;
+ }
- if (ctrl->vs >= NVME_VS(1, 2, 1))
- dev_warn(ctrl->device, "missing or invalid SUBNQN field.\n");
+ if (ctrl->vs >= NVME_VS(1, 2, 1))
+ dev_warn(ctrl->device, "missing or invalid SUBNQN field.\n");
+ }
/* Generate a "fake" NQN per Figure 254 in NVMe 1.3 + ECN 001 */
off = snprintf(subsys->subnqn, NVMF_NQN_SIZE,
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 276975506..5f5a91518 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -90,6 +90,11 @@ enum nvme_quirks {
* Set MEDIUM priority on SQ creation
*/
NVME_QUIRK_MEDIUM_PRIO_SQ = (1 << 7),
+
+ /*
+ * Ignore device provided subnqn.
+ */
+ NVME_QUIRK_IGNORE_DEV_SUBNQN = (1 << 8),
};
/*
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index d7cf3202c..fcac05528 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -2713,6 +2713,8 @@ static const struct pci_device_id nvme_id_table[] = {
{ PCI_VDEVICE(INTEL, 0xf1a5), /* Intel 600P/P3100 */
.driver_data = NVME_QUIRK_NO_DEEPEST_PS |
NVME_QUIRK_MEDIUM_PRIO_SQ },
+ { PCI_VDEVICE(INTEL, 0xf1a6), /* Intel 760p/Pro 7600p */
+ .driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN, },
{ PCI_VDEVICE(INTEL, 0x5845), /* Qemu emulated controller */
.driver_data = NVME_QUIRK_IDENTIFY_CNS, },
{ PCI_DEVICE(0x1bb1, 0x0100), /* Seagate Nytro Flash Storage */
--
2.20.1
next reply other threads:[~2021-12-02 3:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-02 3:02 caojun [this message]
2021-12-02 17:55 ` [PATCH] add Intel 760p/Pro 7600p nvme disk Keith Busch
[not found] ` <tencent_5722FB4254C69E931F449D17@qq.com>
2021-12-03 15:07 ` Keith Busch
2021-12-03 15:24 ` Michael Fuckner
-- strict thread matches above, loose matches on Subject: below --
2021-12-02 2:58 caojun
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