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a=rsa-sha256; c=relaxed/simple; d= opensource.wdc.com; h=content-transfer-encoding:mime-version :x-mailer:message-id:date:subject:to:from; s=dkim; t=1757114754; x=1759706755; bh=xvDJg2Gz33BS+doCIEG0sIMD3bw8L32HmXlhTBzK+YU=; b= cRNSGdAFPb07GFoLCSozal6DjXlFMSOAc2TqLmbajdhZk2ozUVAiFyf8UlPwWdg7 SvzkTo8Ppo5pB9ydkhopxCi4GWyje1+pXSZ4/ce7wmJoZAaUNp8/iGv6V+yOSEuD PRKZZ+7QCFW2pRsic50CXbGTALfDcZ61RcogRWsk9DT6y7d+i6lpESH4iUjDGVwi Yqe7fZ5cg6ChyU0VI2OHC9JTal7go0mh9E5XnuKjVJwbyy2JM9KevttlAgQmV9W0 BzXgAbMf2uQ/X9EkTGfw4WebetEDGAAeRbfb2kK5BBGWWVbTH7SOCNCqG812B+w3 AA6a43shABrWbATQQOZj8g== X-Virus-Scanned: amavis at usg-ed-osssrv.wdc.com Received: from usg-ed-osssrv.wdc.com ([127.0.0.1]) by usg-ed-osssrv.wdc.com (usg-ed-osssrv.wdc.com [127.0.0.1]) (amavis, port 10026) with ESMTP id Ct4dX5tjjD3J for ; Fri, 5 Sep 2025 16:25:54 -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 4cJXXK3RYFz1SHkR; Fri, 5 Sep 2025 16:25:53 -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 0/2] Preclude IOCCSZ/IORCSZ validation for admin controller connect Date: Fri, 5 Sep 2025 16:25:48 -0700 Message-ID: <20250905232550.1950307-1-kamaljit.singh@opensource.wdc.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250905_162558_193792_1C7CA13F X-CRM114-Status: GOOD ( 11.57 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org During negative testing it was observed that when ioccsz and/or iorcsz=20 were cleared to zero on a Target, a new connection to an administrative=20 controller failed to establish, due to driver validation of those fields.= =20 Since an administrative controller does not support I/O queues, these=20 checks should be excluded for such a controller. Kamaljit Singh (2): nvme-core: add method to check for an I/O controller nvme-core: do ioccsz/iorcsz validation only for I/O controllers drivers/nvme/host/core.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) --=20 2.43.0