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([106.84.132.130]) by smtp.gmail.com with ESMTPSA id x4-20020a170902a38400b001b0457705e8sm6340141pla.140.2023.06.05.03.41.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Jun 2023 03:41:18 -0700 (PDT) From: Sam Li To: qemu-devel@nongnu.org Cc: dlemoal@kernel.org, dmitry.fomichev@wdc.com, hare@suse.de, stefanha@redhat.com, Markus Armbruster , Kevin Wolf , qemu-block@nongnu.org, Eric Blake , Hanna Reitz , Sam Li Subject: [RFC 1/4] docs/qcow2: add the zoned format feature Date: Mon, 5 Jun 2023 18:41:05 +0800 Message-Id: <20230605104108.125270-2-faithilikerun@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230605104108.125270-1-faithilikerun@gmail.com> References: <20230605104108.125270-1-faithilikerun@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62b; envelope-from=faithilikerun@gmail.com; helo=mail-pl1-x62b.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Add the specs for the zoned format feature of the qcow2 driver. Once the zoned_profile is set to `zbc`, then the qcow2 file can be taken as zoned devices and passed through by virtio-blk device to the guest. Signed-off-by: Sam Li --- docs/system/qemu-block-drivers.rst.inc | 31 ++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/docs/system/qemu-block-drivers.rst.inc b/docs/system/qemu-block-drivers.rst.inc index 105cb9679c..fdcf343652 100644 --- a/docs/system/qemu-block-drivers.rst.inc +++ b/docs/system/qemu-block-drivers.rst.inc @@ -172,6 +172,37 @@ This section describes each format and the options that are supported for it. filename`` to check if the NOCOW flag is set or not (Capital 'C' is NOCOW flag). + .. option:: zoned_profile + + The option configures the zoned format feature on the qcow2 driver. If + this is set to ``zbc``, then it follows the basics of ZBC/ZAC protocol. + + .. option:: zone_size + + The size of a zone of the zoned device. The zoned device have the same + size of zones with an optional smaller last zone. + + .. option:: zone_capacity + + The capacity of a zone of the zoned device. The zoned device follows the + ZBC protocol tends to have the same size as its zone. + + .. option:: zone_nr_conv + + The number of conventional zones of the zoned device. + + .. option:: max_open_zones + + The maximal allowed open zones. + + .. option:: max_active_zones + + The limit of the zones with implicit open, explicit open or closed state. + + .. option:: max_append_sectors + + The maximal sectors that is allowed to append to zones while writing. + .. program:: image-formats .. option:: qed