drm_version
drm_ioctl_t drm_version;
v = (struct drm_version) {
err = drm_ioctl_kernel(file, drm_version, &v,
struct drm_version v;
struct drm_version *version = data;
DRM_IOCTL_DEF(DRM_IOCTL_VERSION, drm_version, DRM_RENDER_ALLOW),
#define DRM_IOCTL_VERSION DRM_IOWR(0x00, struct drm_version)
typedef struct drm_version drm_version_t;
struct drm_version __user *version;
#define DRM_IOCTL_VERSION DRM_IOWR(0x00, struct drm_version)
typedef struct drm_version drm_version_t;
struct drm_version __user *version;