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| author | Sergio Lopez <slp@redhat.com> | 2026-04-28 22:44:48 +0300 |
|---|---|---|
| committer | Dmitry Osipenko <dmitry.osipenko@collabora.com> | 2026-05-20 17:59:21 +0300 |
| commit | 7b5121c3374e24c8f6490b54f347eb06ee16028c (patch) | |
| tree | 54f4519e910ead0c506e74c4c5edabe6e1f0030a /include/uapi/linux | |
| parent | 88658ff0e4e7f46dbf8179af1280f2cb295fb0cb (diff) | |
| download | linux-7b5121c3374e24c8f6490b54f347eb06ee16028c.tar.xz | |
drm/virtio: support VIRTIO_GPU_F_BLOB_ALIGNMENT
Support VIRTIO_GPU_F_BLOB_ALIGNMENT, a feature that indicates the device
provides a valid blob_alignment field in its configuration, and that
both RESOURCE_CREATE_BLOB and RESOURCE_MAP_BLOB requests must be aligned
to that value.
Signed-off-by: Sergio Lopez <slp@redhat.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patch.msgid.link/20260428194450.518296-2-slp@redhat.com
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/virtio_gpu.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/uapi/linux/virtio_gpu.h b/include/uapi/linux/virtio_gpu.h index be109777d10d..4f530d90058c 100644 --- a/include/uapi/linux/virtio_gpu.h +++ b/include/uapi/linux/virtio_gpu.h @@ -64,6 +64,14 @@ * context_init and multiple timelines */ #define VIRTIO_GPU_F_CONTEXT_INIT 4 +/* + * The device provides a valid blob_alignment + * field in its configuration and both + * VIRTIO_GPU_CMD_RESOURCE_CREATE_BLOB and + * VIRTIO_GPU_CMD_RESOURCE_MAP_BLOB requests + * must be aligned to that value. + */ +#define VIRTIO_GPU_F_BLOB_ALIGNMENT 5 enum virtio_gpu_ctrl_type { VIRTIO_GPU_UNDEFINED = 0, @@ -365,6 +373,7 @@ struct virtio_gpu_config { __le32 events_clear; __le32 num_scanouts; __le32 num_capsets; + __le32 blob_alignment; }; /* simple formats for fbcon/X use */ |