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HSAKMT is a GPU compute library in HSA stack, like >> the role libdrm in mesa stack. >> - New flag VIRTIO_GPU_BLOB_FLAG_USE_USERPTR used in blob create >> to indicate the blob create ioctl is used for create a userptr >> blob resource. >> >> Signed-off-by: Honglei Huang >> --- >>   include/uapi/linux/virtio_gpu.h | 2 ++ >>   1 file changed, 2 insertions(+) >> >> diff --git a/include/uapi/linux/virtio_gpu.h b/include/uapi/linux/ >> virtio_gpu.h >> index b9a9783f0b14..0a6b56acbc13 100644 >> --- a/include/uapi/linux/virtio_gpu.h >> +++ b/include/uapi/linux/virtio_gpu.h >> @@ -323,6 +323,7 @@ struct virtio_gpu_cmd_submit { >>   #define VIRTIO_GPU_CAPSET_VIRGL 1 >>   #define VIRTIO_GPU_CAPSET_VIRGL2 2 >> +#define VIRTIO_GPU_CAPSET_HSAKMT 7 > > The changes to add VIRTIO_GPU_CAPSET_VENUS and VIRTIO_GPU_CAPSET_DRM are > already merged so this should be rebased for clean apply. > > Number 7 is also occupied since 2023: > https://chromium.googlesource.com/crosvm/crosvm/+/ > e4c1878733937042111fca58899a3a94002bfef0%5E%21/rutabaga_gfx/src/ > rutabaga_utils.rs > > VCL, a proposed VirtIO-GPU OpenCL driver, is also going to use that number: > https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31634/diffs? > commit_id=55a1a8a32057e83819b046f2de03aca333b052b4 > > I think you should talk with Antonio Caggiano, who picked the number for > VCL, to allocate a number without a conflict with VCL. > > Gurchetan (the author of Rutabaga change allocating the number), I think > you should notify the number usage by sending a patch for Linux or > virtio-spec. > > Regards, > Akihiko Odaki > >>   /* VIRTIO_GPU_CMD_GET_CAPSET_INFO */ >>   struct virtio_gpu_get_capset_info { >> @@ -415,6 +416,7 @@ struct virtio_gpu_resource_create_blob { >>   #define VIRTIO_GPU_BLOB_FLAG_USE_MAPPABLE     0x0001 >>   #define VIRTIO_GPU_BLOB_FLAG_USE_SHAREABLE    0x0002 >>   #define VIRTIO_GPU_BLOB_FLAG_USE_CROSS_DEVICE 0x0004 >> +#define VIRTIO_GPU_BLOB_FLAG_USE_USERPTR      0x0008 >>       /* zero is invalid blob mem */ >>       __le32 blob_mem; >>       __le32 blob_flags; > Hi Akihiko, Really thanks for the information, I think maybe using an unused number is a better way. I will send a patch to virtio-spec to occupy a unused one. Regards, Honglei