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Tsirkin" Cc: Jason Wang , Xuan Zhuo , Cindy Lu , Laurent Vivier , Stefano Garzarella , linux-kernel@vger.kernel.org, Maxime Coquelin , Yongji Xie , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , virtualization@lists.linux.dev Subject: [PATCH 6/6] vduse: advertise API V2 support Date: Wed, 28 Jan 2026 13:45:24 +0100 Message-ID: <20260128124524.875271-7-eperezma@redhat.com> In-Reply-To: <20260128124524.875271-1-eperezma@redhat.com> References: <20260128124524.875271-1-eperezma@redhat.com> Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Advertise VDUSE API V2 support to userspace. With the necessary infrastructure and feature flags in place, VDUSE devices can now opt-in to the new API and utilize the VDUSE_F_QUEUE_READY feature. Signed-off-by: Eugenio Pérez --- drivers/vdpa/vdpa_user/vduse_dev.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c index 1d93b540db4d..7b5cae065f8b 100644 --- a/drivers/vdpa/vdpa_user/vduse_dev.c +++ b/drivers/vdpa/vdpa_user/vduse_dev.c @@ -2224,7 +2224,7 @@ static long vduse_ioctl(struct file *file, unsigned int cmd, switch (cmd) { case VDUSE_GET_API_VERSION: if (control->api_version == VDUSE_API_VERSION_NOT_ASKED) - control->api_version = VDUSE_API_VERSION_1; + control->api_version = VDUSE_API_VERSION_2; ret = put_user(control->api_version, (u64 __user *)argp); break; case VDUSE_SET_API_VERSION: { @@ -2235,7 +2235,7 @@ static long vduse_ioctl(struct file *file, unsigned int cmd, break; ret = -EINVAL; - if (api_version > VDUSE_API_VERSION_1) + if (api_version > VDUSE_API_VERSION_2) break; ret = 0; -- 2.52.0