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33 lines
969 B
33 lines
969 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _HWBM_H |
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#define _HWBM_H |
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struct hwbm_pool { |
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/* Capacity of the pool */ |
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int size; |
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/* Size of the buffers managed */ |
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int frag_size; |
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/* Number of buffers currently used by this pool */ |
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int buf_num; |
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/* constructor called during alocation */ |
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int (*construct)(struct hwbm_pool *bm_pool, void *buf); |
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/* protect acces to the buffer counter*/ |
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struct mutex buf_lock; |
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/* private data */ |
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void *priv; |
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}; |
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#ifdef CONFIG_HWBM |
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void hwbm_buf_free(struct hwbm_pool *bm_pool, void *buf); |
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int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp); |
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int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num); |
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#else |
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static inline void hwbm_buf_free(struct hwbm_pool *bm_pool, void *buf) {} |
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static inline int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp) |
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{ return 0; } |
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static inline int hwbm_pool_add(struct hwbm_pool *bm_pool, |
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unsigned int buf_num) |
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{ return 0; } |
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#endif /* CONFIG_HWBM */ |
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#endif /* _HWBM_H */
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