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Fri, 27 Feb 2026 15:33:09 -0800 (PST) MIME-Version: 1.0 From: MOHAMED AYMAN Date: Sat, 28 Feb 2026 01:32:59 +0200 X-Gm-Features: AaiRm53AeiSL1t9R92JbrLWLJrl-VPb3pj1Wyl6KapBPArliL9eX-9BmKICrFLU Message-ID: Subject: [PATCH] contrib/vhost-user-blk: add sample block device backend To: qemu-devel@nongnu.org Content-Type: multipart/mixed; boundary="000000000000f199cf064bd6a8be" Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::331; envelope-from=mohamedaymanworkspace@gmail.com; helo=mail-ot1-x331.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, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=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: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-Zoho-Virus-Status: 1 X-Zoho-AV-Stamp: zmail-av-0.2.1.1.4.3/272.221.35 X-ZohoMail-DKIM: fail (Computed bodyhash is different from the expected one) X-ZM-MESSAGEID: 1772235238259158500 --000000000000f199cf064bd6a8be Content-Type: multipart/alternative; boundary="000000000000f199cd064bd6a8bc" --000000000000f199cd064bd6a8bc Content-Type: text/plain; charset="UTF-8" This patch adds a sample vhost-user block device backend - Implement a sample vhost-user block device (vub) using libvhost-user-glib - Support basic virtio-blk requests: read, write, flush, get_id, discard, write_zeroes - Handle request completion, queue processing, and device configuration - Provide command-line options for socket path, block file, read-only mode, and capabilities - Compatible with Linux block devices, using direct I/O where appropriate - Includes proper cleanup, error handling, and write cache configuration Signed-off-by: Mohamed Ayman --000000000000f199cd064bd6a8bc Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
This patch adds a sample vhost-user block d= evice backend
- Implement a sample vhost-user block device (vub) using libvhost-user-gl= ib
- Support basic virtio-blk requests: read, write, flush, get_id, disc= ard, write_zeroes
- Handle request completion, queue processing, and dev= ice configuration
- Provide command-line options for socket path, block = file, read-only mode, and capabilities
- Compatible with Linux block dev= ices, using direct I/O where appropriate
- Includes proper cleanup, erro= r handling, and write cache configuration

=

Signed-off-by: Mohamed Ayman <mohamedaymanworkspace@gmail.com>

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