52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2021 Samsung Electronics.
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*
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*/
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#ifndef __CPIF_RX_PAGE_H__
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#define __CPIF_RX_PAGE_H__
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#include "modem_prj.h"
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#define CPIF_GFP_MASK (__GFP_NOWARN | __GFP_NORETRY | __GFP_NOMEMALLOC)
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struct cpif_page {
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struct page *page;
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bool usable;
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int offset;
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};
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struct cpif_page_pool {
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u64 page_order;
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u64 page_size;
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u64 tmp_page_size;
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struct cpif_page **recycling_page_arr;
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struct cpif_page *tmp_page;
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u32 rpage_arr_idx;
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u32 rpage_arr_len;
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bool using_tmp_alloc;
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};
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#if IS_ENABLED(CONFIG_CPIF_PAGE_RECYCLING)
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void cpif_page_pool_delete(struct cpif_page_pool *pool);
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void cpif_page_init_tmp_page(struct cpif_page_pool *pool);
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struct cpif_page_pool *cpif_page_pool_create(u64 num_page, u64 page_size);
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struct page *cpif_get_cur_page(struct cpif_page_pool *pool, bool used_tmp_alloc);
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u64 cpif_cur_page_size(struct cpif_page_pool *pool, bool used_tmp_alloc);
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void *cpif_page_alloc(struct cpif_page_pool *pool, u64 alloc_size, bool *used_tmp_alloc);
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#else
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static inline void cpif_page_pool_delete(struct cpif_page_pool *pool) { return; }
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static inline void cpif_page_init_tmp_page(struct cpif_page_pool *pool) { return; }
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static inline struct cpif_page_pool *cpif_page_pool_create(u64 num_page,
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u64 page_size) { return NULL; }
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static inline struct page *cpif_get_cur_page(struct cpif_page_pool *pool,
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bool used_tmp_alloc) { return NULL; }
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static inline u64 cpif_cur_page_size(struct cpif_page_pool *pool, bool used_tmp_alloc)
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{ return 0; }
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static inline void *cpif_page_alloc(struct cpif_page_pool *pool, u64 alloc_size,
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bool *used_tmp_alloc) { return NULL; }
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#endif
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#endif /* __CPIF_RX_PAGE_H__ */
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