diff options
Diffstat (limited to 'include/drm/i915_drm.h')
| -rw-r--r-- | include/drm/i915_drm.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h index 8e1e92583fb..7e0cb1da92e 100644 --- a/include/drm/i915_drm.h +++ b/include/drm/i915_drm.h @@ -185,6 +185,7 @@ typedef struct _drm_i915_sarea { #define DRM_I915_GEM_GET_APERTURE 0x23 #define DRM_I915_GEM_MMAP_GTT 0x24 #define DRM_I915_GET_PIPE_FROM_CRTC_ID 0x25 +#define DRM_I915_GEM_MADVISE 0x26 #define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t) #define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH) @@ -221,6 +222,7 @@ typedef struct _drm_i915_sarea { #define DRM_IOCTL_I915_GEM_GET_TILING DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_TILING, struct drm_i915_gem_get_tiling) #define DRM_IOCTL_I915_GEM_GET_APERTURE DRM_IOR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_APERTURE, struct drm_i915_gem_get_aperture) #define DRM_IOCTL_I915_GET_PIPE_FROM_CRTC_ID DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GET_PIPE_FROM_CRTC_ID, struct drm_intel_get_pipe_from_crtc_id) +#define DRM_IOCTL_I915_GEM_MADVISE DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MADVISE, struct drm_i915_gem_madvise) /* Allow drivers to submit batchbuffers directly to hardware, relying * on the security mechanisms provided by hardware. @@ -667,4 +669,21 @@ struct drm_i915_get_pipe_from_crtc_id { __u32 pipe; }; +#define I915_MADV_WILLNEED 0 +#define I915_MADV_DONTNEED 1 +#define __I915_MADV_PURGED 2 /* internal state */ + +struct drm_i915_gem_madvise { + /** Handle of the buffer to change the backing store advice */ + __u32 handle; + + /* Advice: either the buffer will be needed again in the near future, + * or wont be and could be discarded under memory pressure. + */ + __u32 madv; + + /** Whether the backing store still exists. */ + __u32 retained; +}; + #endif /* _I915_DRM_H_ */ |