diff options
| author | Jason Wang <jasowang@redhat.com> | 2020-09-07 18:49:01 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2020-09-29 02:14:29 -0400 |
| commit | e6546342a830e520d14ef03aa95677611de0d90c (patch) | |
| tree | f38e8e0ec5e46909c0cea34b9bbefaf1852a965b /include/standard-headers/linux/virtio_config.h | |
| parent | 74504514b154ebebdff577d88e4bf5c13074e9ed (diff) | |
linux headers: sync to 5.9-rc4
Update against Linux 5.9-rc4.
Cc: Cornelia Huck <cohuck@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20200907104903.31551-2-jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/standard-headers/linux/virtio_config.h')
| -rw-r--r-- | include/standard-headers/linux/virtio_config.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/include/standard-headers/linux/virtio_config.h b/include/standard-headers/linux/virtio_config.h index 9a69d9e242..22e3a85f67 100644 --- a/include/standard-headers/linux/virtio_config.h +++ b/include/standard-headers/linux/virtio_config.h @@ -67,13 +67,15 @@ #define VIRTIO_F_VERSION_1 32 /* - * If clear - device has the IOMMU bypass quirk feature. - * If set - use platform tools to detect the IOMMU. + * If clear - device has the platform DMA (e.g. IOMMU) bypass quirk feature. + * If set - use platform DMA tools to access the memory. * * Note the reverse polarity (compared to most other features), * this is for compatibility with legacy systems. */ -#define VIRTIO_F_IOMMU_PLATFORM 33 +#define VIRTIO_F_ACCESS_PLATFORM 33 +/* Legacy name for VIRTIO_F_ACCESS_PLATFORM (for compatibility with old userspace) */ +#define VIRTIO_F_IOMMU_PLATFORM VIRTIO_F_ACCESS_PLATFORM /* This feature indicates support for the packed virtqueue layout. */ #define VIRTIO_F_RING_PACKED 34 |