[v2 30/31] drm/xe/svm: Add a helper to determine a vma is fault userptr

[Matthew Brost]

On Tue, Apr 09, 2024 at 04:17:41PM -0400, Oak Zeng wrote:
> xe_vma_is_fault_userptr is added to determine the vma is
> a fault userptr.
> 
> Signed-off-by: Oak Zeng <oak.zeng at intel.com>
> ---
>  drivers/gpu/drm/xe/xe_vm.h | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/gpu/drm/xe/xe_vm.h b/drivers/gpu/drm/xe/xe_vm.h
> index d55330988e32..a718f927e362 100644
> --- a/drivers/gpu/drm/xe/xe_vm.h
> +++ b/drivers/gpu/drm/xe/xe_vm.h
> @@ -166,6 +166,11 @@ static inline bool xe_vma_is_userptr(struct xe_vma *vma)
>  		!xe_vma_is_system_allocator(vma);
>  }
>  
> +static inline bool xe_vma_is_fault_userptr(struct xe_vma *vma)
> +{
> +	return xe_vma_is_userptr(vma) && (vma->gpuva.flags & XE_VMA_FAULT_USERPTR);

Presumably we never set XE_VMA_FAULT_USERPTR when xe_vma_is_userptr is
false probably safe to just check XE_VMA_FAULT_USERPTR here.

Matt

> +}
> +
>  /**
>   * to_userptr_vma() - Return a pointer to an embedding userptr vma
>   * @vma: Pointer to the embedded struct xe_vma
> -- 
> 2.26.3
>