Re: [PATCH V4 06/10] accel/amdxdna: Add GEM buffer object management

[Jeffrey Hugo]

On 10/11/2024 5:12 PM, Lizhi Hou wrote:
> There different types of BOs are supported:
>
> - shmem
> A user application uses shmem BOs as input/output for its workload running
> on NPU.
>
> - device memory heap
> The fixed size buffer dedicated to the device.
>
> - device buffer
> The buffer object allocated from device memory heap.
>
> - command buffer
> The buffer object created for delivering commands. The command buffer
> object is small and pinned on creation.
>
> New IOCTLs are added: CREATE_BO, GET_BO_INFO, SYNC_BO. SYNC_BO is used
> to explicitly flush CPU cache for BO memory.
>
> Co-developed-by: Min Ma <min.ma@xxxxxxx>
> Signed-off-by: Min Ma <min.ma@xxxxxxx>
> Signed-off-by: Lizhi Hou <lizhi.hou@xxxxxxx>

Reviewed-by: Jeffrey Hugo <quic_jhugo@xxxxxxxxxxx>