/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __DRM_RANDOM_H__ #define __DRM_RANDOM_H__ /* This is a temporary home for a couple of utility functions that should * be transposed to lib/ at the earliest convenience. */ #include <linux/prandom.h> #define DRM_RND_STATE_INITIALIZER(seed__) ({ \ struct rnd_state state__; \ prandom_seed_state(&state__, (seed__)); \ state__; \ }) #define DRM_RND_STATE(name__, seed__) \ struct rnd_state name__ = DRM_RND_STATE_INITIALIZER(seed__) unsigned int *drm_random_order(unsigned int count, struct rnd_state *state); void drm_random_reorder(unsigned int *order, unsigned int count, struct rnd_state *state); u32 drm_prandom_u32_max_state(u32 ep_ro, struct rnd_state *state); #endif /* !__DRM_RANDOM_H__ */