cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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hwbm.h (969B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _HWBM_H
      3#define _HWBM_H
      4
      5struct hwbm_pool {
      6	/* Capacity of the pool */
      7	int size;
      8	/* Size of the buffers managed */
      9	int frag_size;
     10	/* Number of buffers currently used by this pool */
     11	int buf_num;
     12	/* constructor called during alocation */
     13	int (*construct)(struct hwbm_pool *bm_pool, void *buf);
     14	/* protect acces to the buffer counter*/
     15	struct mutex buf_lock;
     16	/* private data */
     17	void *priv;
     18};
     19#ifdef CONFIG_HWBM
     20void hwbm_buf_free(struct hwbm_pool *bm_pool, void *buf);
     21int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp);
     22int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num);
     23#else
     24static inline void hwbm_buf_free(struct hwbm_pool *bm_pool, void *buf) {}
     25
     26static inline int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp)
     27{ return 0; }
     28
     29static inline int hwbm_pool_add(struct hwbm_pool *bm_pool,
     30				unsigned int buf_num)
     31{ return 0; }
     32#endif /* CONFIG_HWBM */
     33#endif /* _HWBM_H */