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-rw-r--r--include/uapi/drm/nouveau_drm.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/include/uapi/drm/nouveau_drm.h b/include/uapi/drm/nouveau_drm.h
index dd87f8f30793..1fa82fa6af38 100644
--- a/include/uapi/drm/nouveau_drm.h
+++ b/include/uapi/drm/nouveau_drm.h
@@ -432,6 +432,69 @@ struct drm_nouveau_exec {
__u64 push_ptr;
};
+struct drm_nouveau_get_zcull_info {
+ /**
+ * @width_align_pixels: required alignment for region widths, in pixels
+ * (typically #TPC's * 16).
+ */
+ __u32 width_align_pixels;
+ /**
+ * @height_align_pixels: required alignment for region heights, in
+ * pixels (typically 32).
+ */
+ __u32 height_align_pixels;
+ /**
+ * @pixel_squares_by_aliquots: the pixel area covered by an aliquot
+ * (typically #Zcull_banks * 16 * 16).
+ */
+ __u32 pixel_squares_by_aliquots;
+ /**
+ * @aliquot_total: the total aliquot pool available in hardware
+ */
+ __u32 aliquot_total;
+ /**
+ * @zcull_region_byte_multiplier: the size of an aliquot in bytes, which
+ * is used for save/restore operations on a region
+ */
+ __u32 zcull_region_byte_multiplier;
+ /**
+ * @zcull_region_header_size: the region header size in bytes, which is
+ * used for save/restore operations on a region
+ */
+ __u32 zcull_region_header_size;
+ /**
+ * @zcull_subregion_header_size: the subregion header size in bytes,
+ * which is used for save/restore operations on a region
+ */
+ __u32 zcull_subregion_header_size;
+ /**
+ * @subregion_count: the total number of subregions the hardware
+ * supports
+ */
+ __u32 subregion_count;
+ /**
+ * @subregion_width_align_pixels: required alignment for subregion
+ * widths, in pixels (typically #TPC's * 16).
+ */
+ __u32 subregion_width_align_pixels;
+ /**
+ * @subregion_height_align_pixels: required alignment for subregion
+ * heights, in pixels
+ */
+ __u32 subregion_height_align_pixels;
+
+ /**
+ * @ctxsw_size: the size, in bytes, of a zcull context switching region.
+ * Will be zero if the kernel does not support zcull context switching.
+ */
+ __u32 ctxsw_size;
+ /**
+ * @ctxsw_align: the alignment, in bytes, of a zcull context switching
+ * region
+ */
+ __u32 ctxsw_align;
+};
+
#define DRM_NOUVEAU_GETPARAM 0x00
#define DRM_NOUVEAU_SETPARAM 0x01 /* deprecated */
#define DRM_NOUVEAU_CHANNEL_ALLOC 0x02
@@ -445,6 +508,7 @@ struct drm_nouveau_exec {
#define DRM_NOUVEAU_VM_INIT 0x10
#define DRM_NOUVEAU_VM_BIND 0x11
#define DRM_NOUVEAU_EXEC 0x12
+#define DRM_NOUVEAU_GET_ZCULL_INFO 0x13
#define DRM_NOUVEAU_GEM_NEW 0x40
#define DRM_NOUVEAU_GEM_PUSHBUF 0x41
#define DRM_NOUVEAU_GEM_CPU_PREP 0x42
@@ -513,6 +577,8 @@ struct drm_nouveau_svm_bind {
#define DRM_IOCTL_NOUVEAU_VM_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_VM_INIT, struct drm_nouveau_vm_init)
#define DRM_IOCTL_NOUVEAU_VM_BIND DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_VM_BIND, struct drm_nouveau_vm_bind)
#define DRM_IOCTL_NOUVEAU_EXEC DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_EXEC, struct drm_nouveau_exec)
+
+#define DRM_IOCTL_NOUVEAU_GET_ZCULL_INFO DRM_IOR (DRM_COMMAND_BASE + DRM_NOUVEAU_GET_ZCULL_INFO, struct drm_nouveau_get_zcull_info)
#if defined(__cplusplus)
}
#endif