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Mon, 22 Feb 2021 15:29:26 -0500 (EST) From: Klaus Jensen To: qemu-devel@nongnu.org Subject: [PATCH 1/3] hw/block/nvme: document 'mdts' nvme device parameter Date: Mon, 22 Feb 2021 21:29:19 +0100 Message-Id: <20210222202921.92774-2-its@irrelevant.dk> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210222202921.92774-1-its@irrelevant.dk> References: <20210222202921.92774-1-its@irrelevant.dk> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=66.111.4.29; envelope-from=its@irrelevant.dk; helo=out5-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , qemu-block@nongnu.org, Klaus Jensen , Max Reitz , Klaus Jensen , Keith Busch Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Klaus Jensen Document the 'mdts' nvme device parameter. Signed-off-by: Klaus Jensen --- hw/block/nvme.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 1cd82fa3c9fe..6a27b28f2c2d 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -63,6 +63,12 @@ * completion when there are no outstanding AERs. When the maximum number of * enqueued events are reached, subsequent events will be dropped. * + * - `mdts` + * Indicates the maximum data transfer size for a command that transfers data + * between host-accessible memory and the controller. The value is specified + * as a power of two (2^n) and is in units of the minimum memory page size + * (CAP.MPSMIN). The default value is 7 (i.e. 512 KiB). + * * - `zoned.append_size_limit` * The maximum I/O size in bytes that is allowed in Zone Append command. * The default is 128KiB. Since internally this this value is maintained as -- 2.30.1