Add UAPI to query the GFX shadow buffer requirements
for preemption on GFX11. UMDs need to specify the shadow
areas for preemption.
v2: move into existing asic info query
drop GDS as its use is determined by the UMD (Marek)
v3: Update comments to note that alignment is base
virtual alignment (Alex)
Reviewed-by: Marek Olšák <marek.olsak@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
include/uapi/drm/amdgpu_drm.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 3d9474af6566..72041a51cc27 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -1136,6 +1136,14 @@ struct drm_amdgpu_info_device {
__u64 mall_size; /* AKA infinity cache */
/* high 32 bits of the rb pipes mask */
__u32 enabled_rb_pipes_mask_hi;
+ /* shadow area size for gfx11 */
+ __u32 shadow_size;
+ /* shadow area base virtual alignment for gfx11 */
+ __u32 shadow_alignment;
+ /* context save area size for gfx11 */
+ __u32 csa_size;
+ /* context save area base virtual alignment for gfx11 */
+ __u32 csa_alignment;
};
struct drm_amdgpu_info_hw_ip {
--
2.39.2
