/* SPDX-License-Identifier: GPL-2.0 */#ifndef _HWBM_H#define _HWBM_H #include <linux/mutex.h> struct hwbm_pool {	/* Capacity of the pool */	int size;	/* Size of the buffers managed */	int frag_size;	/* Number of buffers currently used by this pool */	int buf_num;	/* constructor called during allocation */	int (*construct)(struct hwbm_pool *bm_pool, void *buf);	/* protect access to the buffer counter*/	struct mutex buf_lock;	/* private data */	void *priv;};#ifdef CONFIG_HWBMvoid hwbm_buf_free(struct hwbm_pool *bm_pool, void *buf);int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp);int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num);#elsestatic inline void hwbm_buf_free(struct hwbm_pool *bm_pool, void *buf) {} static inline int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp){ return 0; } static inline int hwbm_pool_add(struct hwbm_pool *bm_pool,				unsigned int buf_num){ return 0; }#endif /* CONFIG_HWBM */#endif /* _HWBM_H */