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vdpa: accept VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK backend feature

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Accepting VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK backend feature if
userland sets it.

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Shannon Nelson <shannon.nelson@amd.com>
Message-Id: <20230609092127.170673-3-eperezma@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Eugenio Pérez 2023-06-09 11:21:25 +02:00 • committed by Michael S. Tsirkin
parent 8b59b4da9b
commit 9f09fd6171
1 changed files with 2 additions and 1 deletions
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3
drivers/vhost/vdpa.c
View file

@ -680,7 +680,8 @@ static long vhost_vdpa_unlocked_ioctl(struct file *filep,
return -EFAULT;
if (features & ~(VHOST_VDPA_BACKEND_FEATURES |
BIT_ULL(VHOST_BACKEND_F_SUSPEND) |
BIT_ULL(VHOST_BACKEND_F_RESUME)))
BIT_ULL(VHOST_BACKEND_F_RESUME) |
BIT_ULL(VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK)))
return -EOPNOTSUPP;
if ((features & BIT_ULL(VHOST_BACKEND_F_SUSPEND)) &&
!vhost_vdpa_can_suspend(v))