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Fri, 5 Sep 2025 16:25:56 -0700 (PDT) Received: from ros-3.wdc.com (ros-3.wdc.com [10.23.145.79]) by usg-ed-osssrv.wdc.com (Postfix) with ESMTPSA id 4cJXXN39dnz1SHkR; Fri, 5 Sep 2025 16:25:56 -0700 (PDT) From: Kamaljit Singh To: kbusch@kernel.org, axboe@kernel.dk, hch@lst.de, sagi@grimberg.me, linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org Cc: cassel@kernel.org, dlemoal@kernel.org, kamaljit.singh1@wdc.com, Kamaljit Singh Subject: [PATCH v2 2/2] nvme-core: do ioccsz/iorcsz validation only for I/O controllers Date: Fri, 5 Sep 2025 16:25:50 -0700 Message-ID: <20250905232550.1950307-3-kamaljit.singh@opensource.wdc.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250905232550.1950307-1-kamaljit.singh@opensource.wdc.com> References: <20250905232550.1950307-1-kamaljit.singh@opensource.wdc.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" An administrative controller does not support I/O queues, hence it should ignore existing checks for IOCCSZ/IORCSZ. Currently, these checks only exclude a discovery controller but need to also exclude an administrative controller. Signed-off-by: Kamaljit Singh Reviewed-by: Hannes Reinecke --- drivers/nvme/host/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index fab672e50510..ef6f84d677d8 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -3496,14 +3496,14 @@ static int nvme_check_ctrl_fabric_info(struct nvme_= ctrl *ctrl, struct nvme_id_ct return -EINVAL; } =20 - if (!nvme_discovery_ctrl(ctrl) && ctrl->ioccsz < 4) { + if (nvme_is_io_ctrl(ctrl) && ctrl->ioccsz < 4) { dev_err(ctrl->device, "I/O queue command capsule supported size %d < 4\n", ctrl->ioccsz); return -EINVAL; } =20 - if (!nvme_discovery_ctrl(ctrl) && ctrl->iorcsz < 1) { + if (nvme_is_io_ctrl(ctrl) && ctrl->iorcsz < 1) { dev_err(ctrl->device, "I/O queue response capsule supported size %d < 1\n", ctrl->iorcsz); --=20 2.43.0