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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef __DRM_RANDOM_H__3#define __DRM_RANDOM_H__4 5/* This is a temporary home for a couple of utility functions that should6 * be transposed to lib/ at the earliest convenience.7 */8 9#include <linux/random.h>10 11#define DRM_RND_STATE_INITIALIZER(seed__) ({ \12 struct rnd_state state__; \13 prandom_seed_state(&state__, (seed__)); \14 state__; \15})16 17#define DRM_RND_STATE(name__, seed__) \18 struct rnd_state name__ = DRM_RND_STATE_INITIALIZER(seed__)19 20unsigned int *drm_random_order(unsigned int count,21 struct rnd_state *state);22void drm_random_reorder(unsigned int *order,23 unsigned int count,24 struct rnd_state *state);25u32 drm_prandom_u32_max_state(u32 ep_ro,26 struct rnd_state *state);27 28#endif /* !__DRM_RANDOM_H__ */29