DRM_IOR
#define DRM_IOCTL_GET_STATS32 DRM_IOR( 0x06, drm_stats32_t)
#define DRM_IOCTL_AGP_INFO32 DRM_IOR( 0x33, drm_agp_info32_t)
DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CLAIM_STREAM, \
DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CREATE_CONTEXT, \
#define DRM_IOCTL_GET_MAGIC DRM_IOR( 0x02, struct drm_auth)
#define DRM_IOCTL_GET_STATS DRM_IOR( 0x06, struct drm_stats)
#define DRM_IOCTL_AGP_INFO DRM_IOR( 0x33, struct drm_agp_info)
#define DRM_IOCTL_I915_GET_VBLANK_PIPE DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
#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_LIMA_CTX_CREATE DRM_IOR(DRM_COMMAND_BASE + DRM_LIMA_CTX_CREATE, struct drm_lima_ctx_create)
#define DRM_IOCTL_GET_MAGIC DRM_IOR( 0x02, struct drm_auth)
#define DRM_IOCTL_GET_STATS DRM_IOR( 0x06, struct drm_stats)
#define DRM_IOCTL_AGP_INFO DRM_IOR( 0x33, struct drm_agp_info)
#define DRM_IOCTL_I915_GET_VBLANK_PIPE DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
#define DRM_IOCTL_I915_GEM_GET_APERTURE DRM_IOR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_APERTURE, struct drm_i915_gem_get_aperture)