[vhost,v4,04/15] vdpa: Accept VHOST_BACKEND_F_CHANGEABLE_VQ_ADDR_IN_SUSPEND backend feature
| Message ID | 20231219180858.120898-5-dtatulea@nvidia.com |
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From: Dragos Tatulea <dtatulea@nvidia.com>
To: "Michael S . Tsirkin" <mst@redhat.com>, Jason Wang <jasowang@redhat.com>,
Eugenio Perez Martin <eperezma@redhat.com>, Si-Wei Liu
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CC: Dragos Tatulea <dtatulea@nvidia.com>, <kvm@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, Parav Pandit <parav@nvidia.com>, Xuan Zhuo
<xuanzhuo@linux.alibaba.com>
Subject: [PATCH vhost v4 04/15] vdpa: Accept
VHOST_BACKEND_F_CHANGEABLE_VQ_ADDR_IN_SUSPEND backend feature
Date: Tue, 19 Dec 2023 20:08:47 +0200
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| Series |
vdpa/mlx5: Add support for resumable vqs
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Commit Message
Dragos Tatulea
Dec. 19, 2023, 6:08 p.m. UTC
If userland sets this feature, allow it.
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Suggested-by: Eugenio Pérez <eperezma@redhat.com>
---
drivers/vhost/vdpa.c | 1 +
1 file changed, 1 insertion(+)
Comments
On Tue, Dec 19, 2023 at 7:09 PM Dragos Tatulea <dtatulea@nvidia.com> wrote: > > If userland sets this feature, allow it. > > Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com> > Suggested-by: Eugenio Pérez <eperezma@redhat.com> Acked-by: Eugenio Pérez <eperezma@redhat.com> > --- > drivers/vhost/vdpa.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c > index da7ec77cdaff..2250fcd90e5b 100644 > --- a/drivers/vhost/vdpa.c > +++ b/drivers/vhost/vdpa.c > @@ -749,6 +749,7 @@ static long vhost_vdpa_unlocked_ioctl(struct file *filep, > BIT_ULL(VHOST_BACKEND_F_IOTLB_PERSIST) | > BIT_ULL(VHOST_BACKEND_F_SUSPEND) | > BIT_ULL(VHOST_BACKEND_F_RESUME) | > + BIT_ULL(VHOST_BACKEND_F_CHANGEABLE_VQ_ADDR_IN_SUSPEND) | > BIT_ULL(VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK))) > return -EOPNOTSUPP; > if ((features & BIT_ULL(VHOST_BACKEND_F_SUSPEND)) && > -- > 2.43.0 >
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index da7ec77cdaff..2250fcd90e5b 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -749,6 +749,7 @@ static long vhost_vdpa_unlocked_ioctl(struct file *filep, BIT_ULL(VHOST_BACKEND_F_IOTLB_PERSIST) | BIT_ULL(VHOST_BACKEND_F_SUSPEND) | BIT_ULL(VHOST_BACKEND_F_RESUME) | + BIT_ULL(VHOST_BACKEND_F_CHANGEABLE_VQ_ADDR_IN_SUSPEND) | BIT_ULL(VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK))) return -EOPNOTSUPP; if ((features & BIT_ULL(VHOST_BACKEND_F_SUSPEND)) &&