diff options
author | Juan Quintela <quintela@redhat.com> | 2017-04-20 12:37:23 +0200 |
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committer | Juan Quintela <quintela@redhat.com> | 2017-05-17 12:04:59 +0200 |
commit | aa3544c371748fdc2c012c2aaeeac8c66b4f0808 (patch) | |
tree | 0ddb30a25c994464db9010c0a7e55ab78b02b21a /include/migration | |
parent | 795c40b8bdbe3fd04bb976416e1bdcf5e3fe997e (diff) |
migration: Move page_cache.c to migration/
It is only used by migration, so move it there.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'include/migration')
-rw-r--r-- | include/migration/page_cache.h | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/include/migration/page_cache.h b/include/migration/page_cache.h deleted file mode 100644 index 10ed53274c..0000000000 --- a/include/migration/page_cache.h +++ /dev/null @@ -1,86 +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 - * @current_age: current bitmap generation - */ -bool cache_is_cached(const PageCache *cache, uint64_t addr, - uint64_t current_age); - -/** - * 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 page cache - * will dup the data on insert. the previous value will be overwritten - * - * Returns -1 when the page isn't inserted into cache - * - * @cache pointer to the PageCache struct - * @addr: page address - * @pdata: pointer to the page - * @current_age: current bitmap generation - */ -int cache_insert(PageCache *cache, uint64_t addr, const uint8_t *pdata, - uint64_t current_age); - -/** - * 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 |