[PATCH v2 4/5] vduse: advertise API V2 support
From: Eugenio Pérez
Date: Tue Feb 10 2026 - 03:26:45 EST
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 <eperezma@xxxxxxxxxx>
---
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 7458cbaed4c7..39e115b8bf44 100644
--- a/drivers/vdpa/vdpa_user/vduse_dev.c
+++ b/drivers/vdpa/vdpa_user/vduse_dev.c
@@ -2168,7 +2168,7 @@ 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: {
@@ -2179,7 +2179,7 @@ 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;
--
2.53.0