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Thu, 05 Nov 2026 05:46:10 -0800 (PST) Received: from ChanningdeMacBook-Pro ([240b:253:9800:600:bcd8:ac74:ffb9:55cd]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-36ca3966daasm22454844eec.23.2026.11.05.05.46.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Nov 2026 05:46:10 -0800 (PST) From: Chengyuan He X-Google-Original-From: Chengyuan He To: linux-nvme@lists.infradead.org Cc: Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg , linux-kernel@vger.kernel.org, Chengyuan He Subject: [PATCH] nvme-pci: add NO_NS_DESC_LIST quirk for SSSTC CL1 SSDs Date: Thu, 5 Nov 2026 22:45:26 +0900 Message-ID: <20261105134526.95382-1-channing1ne@gmail.com> X-Mailer: git-send-email 2.54.0 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The SSSTC CL1 series (PCI ID 1e95:9100, e.g. CL1-3D128-Q11, a Silicon Motion SM2263XT based OEM drive shipped in Dell laptops) reports NVMe version 1.3 but fails the Namespace Identification Descriptor list (CNS 03h) with Invalid Field in Command: nvme nvme1: Identify Descriptors failed (nsid=1, status=0x2) nvme_scan_ns() gives up on the namespace when nvme_identify_ns_descs() fails, so no block device is created even though the controller is live and namespace 1 is otherwise fully functional. The failure was reproduced with the latest vendor firmware 22301119 (Dell package NJV53, A09) as well as with an older third-party firmware. The drive reports an all-zero NGUID and EUI64, so skipping the descriptor list loses no identifiers. The generic Silicon Motion SM2263 entry (126f:2263) already carries NVME_QUIRK_NO_NS_DESC_LIST. This drive reports 126f:2263 only as its subsystem ID, so that entry does not match it. Add NVME_QUIRK_NO_NS_DESC_LIST for 1e95:9100 as well. Tested on 7.0.14 by booting with nvme.quirks=1e95:9100:no_ns_desc_list, after which the namespace shows up and I/O works. Signed-off-by: Chengyuan He --- drivers/nvme/host/pci.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index eade0b1..af19c75 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -4282,6 +4282,8 @@ static const struct pci_device_id nvme_id_table[] = { .driver_data = NVME_QUIRK_BOGUS_NID, }, { PCI_DEVICE(0x10ec, 0x5765), /* TEAMGROUP MP33 2TB SSD */ .driver_data = NVME_QUIRK_BOGUS_NID, }, + { PCI_DEVICE(0x1e95, 0x9100), /* SSSTC CL1 series */ + .driver_data = NVME_QUIRK_NO_NS_DESC_LIST, }, { PCI_DEVICE(PCI_VENDOR_ID_AMAZON, 0x0061), .driver_data = NVME_QUIRK_DMA_ADDRESS_BITS_48, }, { PCI_DEVICE(PCI_VENDOR_ID_AMAZON, 0x0065), base-commit: c64d9b2c1f4fd1d8fa52dab37b48428a99c4d58d -- 2.54.0