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Diffstat (limited to 'include/qemu/page_cache.h')
-rw-r--r-- | include/qemu/page_cache.h | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/include/qemu/page_cache.h b/include/qemu/page_cache.h deleted file mode 100644 index 3839ac7726..0000000000 --- a/include/qemu/page_cache.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * Page cache for QEMU - * The cache is base on a hash of the page address - * - * Copyright 2012 Red Hat, Inc. and/or its affiliates - * - * Authors: - * Orit Wasserman <owasserm@redhat.com> - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - * - */ - -#ifndef PAGE_CACHE_H -#define PAGE_CACHE_H - -/* Page cache for storing guest pages */ -typedef struct PageCache PageCache; - -/** - * cache_init: Initialize the page cache - * - * - * Returns new allocated cache or NULL on error - * - * @cache pointer to the PageCache struct - * @num_pages: cache maximal number of cached pages - * @page_size: cache page size - */ -PageCache *cache_init(int64_t num_pages, unsigned int page_size); - -/** - * cache_fini: free all cache resources - * @cache pointer to the PageCache struct - */ -void cache_fini(PageCache *cache); - -/** - * cache_is_cached: Checks to see if the page is cached - * - * Returns %true if page is cached - * - * @cache pointer to the PageCache struct - * @addr: page addr - */ -bool cache_is_cached(const PageCache *cache, uint64_t addr); - -/** - * get_cached_data: Get the data cached for an addr - * - * Returns pointer to the data cached or NULL if not cached - * - * @cache pointer to the PageCache struct - * @addr: page addr - */ -uint8_t *get_cached_data(const PageCache *cache, uint64_t addr); - -/** - * cache_insert: insert the page into the cache. the previous value will be overwritten - * - * @cache pointer to the PageCache struct - * @addr: page address - * @pdata: pointer to the page - */ -void cache_insert(PageCache *cache, uint64_t addr, uint8_t *pdata); - -/** - * cache_resize: resize the page cache. In case of size reduction the extra - * pages will be freed - * - * Returns -1 on error new cache size on success - * - * @cache pointer to the PageCache struct - * @num_pages: new page cache size (in pages) - */ -int64_t cache_resize(PageCache *cache, int64_t num_pages); - -#endif |