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Tsirkin" , Stefan Hajnoczi , Cornelia Huck , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Alberto Faria Subject: [PATCH 1/2] include: Add virtio-blk request flag FUA definitions Date: Wed, 21 Oct 2026 07:22:56 +0100 Message-ID: <20261021062257.735757-2-afaria@redhat.com> In-Reply-To: <20261021062257.735757-1-afaria@redhat.com> References: <20261021062257.735757-1-afaria@redhat.com> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Received-SPF: pass client-ip=170.10.129.124; envelope-from=afaria@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: 9 X-Spam_score: 0.9 X-Spam_bar: / X-Spam_report: (0.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.329, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org X-Spam-Status: No, score=-16.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Signed-off-by: Alberto Faria --- include/standard-headers/linux/virtio_blk.h | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/include/standard-headers/linux/virtio_blk.h b/include/standard-headers/linux/virtio_blk.h index d7be3cf5e4..c6c8ce1eec 100644 --- a/include/standard-headers/linux/virtio_blk.h +++ b/include/standard-headers/linux/virtio_blk.h @@ -42,6 +42,8 @@ #define VIRTIO_BLK_F_WRITE_ZEROES 14 /* WRITE ZEROES is supported */ #define VIRTIO_BLK_F_SECURE_ERASE 16 /* Secure Erase is supported */ #define VIRTIO_BLK_F_ZONED 17 /* Zoned block device */ +#define VIRTIO_BLK_F_REQ_FLAGS 18 /* Request flags supported */ +#define VIRTIO_BLK_F_REQ_FLAGS_OUT_FUA 19 /* FUA flag supported */ /* Legacy feature bits */ #ifndef VIRTIO_BLK_NO_LEGACY @@ -209,6 +211,9 @@ struct virtio_blk_config { #define VIRTIO_BLK_T_BARRIER 0x80000000 #endif /* !VIRTIO_BLK_NO_LEGACY */ +/* Request flag bits */ +#define VIRTIO_BLK_REQ_FLAG_OUT_FUA 0 + /* * This comes first in the read scatter-gather list. * For legacy virtio, if VIRTIO_F_ANY_LAYOUT is not negotiated, @@ -217,8 +222,12 @@ struct virtio_blk_config { struct virtio_blk_outhdr { /* VIRTIO_BLK_T* */ __virtio32 type; - /* io priority. */ - __virtio32 ioprio; + union { + /* io priority. */ + __virtio32 ioprio; + /* Request flags. */ + __virtio32 flags; + }; /* Sector (ie. 512 byte offset) */ __virtio64 sector; }; -- 2.56.0