5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
24 lines
740 B
C
24 lines
740 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ZBUD_H_
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#define _ZBUD_H_
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#include <linux/types.h>
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struct zbud_pool;
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struct zbud_ops {
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int (*evict)(struct zbud_pool *pool, unsigned long handle);
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};
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struct zbud_pool *zbud_create_pool(gfp_t gfp, const struct zbud_ops *ops);
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void zbud_destroy_pool(struct zbud_pool *pool);
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int zbud_alloc(struct zbud_pool *pool, size_t size, gfp_t gfp,
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unsigned long *handle);
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void zbud_free(struct zbud_pool *pool, unsigned long handle);
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int zbud_reclaim_page(struct zbud_pool *pool, unsigned int retries);
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void *zbud_map(struct zbud_pool *pool, unsigned long handle);
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void zbud_unmap(struct zbud_pool *pool, unsigned long handle);
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u64 zbud_get_pool_size(struct zbud_pool *pool);
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#endif /* _ZBUD_H_ */
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