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authorJuan Quintela <quintela@redhat.com>2017-04-20 12:37:23 +0200
committerJuan Quintela <quintela@redhat.com>2017-05-17 12:04:59 +0200
commitaa3544c371748fdc2c012c2aaeeac8c66b4f0808 (patch)
tree0ddb30a25c994464db9010c0a7e55ab78b02b21a /include/migration
parent795c40b8bdbe3fd04bb976416e1bdcf5e3fe997e (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.h86
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