Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
36 lines
997 B
C
36 lines
997 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _HWBM_H
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#define _HWBM_H
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#include <linux/mutex.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 allocation */
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int (*construct)(struct hwbm_pool *bm_pool, void *buf);
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/* protect access 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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