Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 239 deletions

diff --git a/qemu/page_cache.c b/qemu/page_cache.c
deleted file mode 100644
index cb8a69e96..000000000
--- a/qemu/page_cache.c
+++ /dev/null
@@ -1,239 +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.
- *
- */
-
-#include "qemu/osdep.h"
-#include <glib.h>
-
-#include "qemu-common.h"
-#include "migration/page_cache.h"
-
-#ifdef DEBUG_CACHE
-#define DPRINTF(fmt, ...) \
-    do { fprintf(stdout, "cache: " fmt, ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...) \
-    do { } while (0)
-#endif
-
-/* the page in cache will not be replaced in two cycles */
-#define CACHED_PAGE_LIFETIME 2
-
-typedef struct CacheItem CacheItem;
-
-struct CacheItem {
-    uint64_t it_addr;
-    uint64_t it_age;
-    uint8_t *it_data;
-};
-
-struct PageCache {
-    CacheItem *page_cache;
-    unsigned int page_size;
-    int64_t max_num_items;
-    uint64_t max_item_age;
-    int64_t num_items;
-};
-
-PageCache *cache_init(int64_t num_pages, unsigned int page_size)
-{
-    int64_t i;
-
-    PageCache *cache;
-
-    if (num_pages <= 0) {
-        DPRINTF("invalid number of pages\n");
-        return NULL;
-    }
-
-    /* We prefer not to abort if there is no memory */
-    cache = g_try_malloc(sizeof(*cache));
-    if (!cache) {
-        DPRINTF("Failed to allocate cache\n");
-        return NULL;
-    }
-    /* round down to the nearest power of 2 */
-    if (!is_power_of_2(num_pages)) {
-        num_pages = pow2floor(num_pages);
-        DPRINTF("rounding down to %" PRId64 "\n", num_pages);
-    }
-    cache->page_size = page_size;
-    cache->num_items = 0;
-    cache->max_item_age = 0;
-    cache->max_num_items = num_pages;
-
-    DPRINTF("Setting cache buckets to %" PRId64 "\n", cache->max_num_items);
-
-    /* We prefer not to abort if there is no memory */
-    cache->page_cache = g_try_malloc((cache->max_num_items) *
-                                     sizeof(*cache->page_cache));
-    if (!cache->page_cache) {
-        DPRINTF("Failed to allocate cache->page_cache\n");
-        g_free(cache);
-        return NULL;
-    }
-
-    for (i = 0; i < cache->max_num_items; i++) {
-        cache->page_cache[i].it_data = NULL;
-        cache->page_cache[i].it_age = 0;
-        cache->page_cache[i].it_addr = -1;
-    }
-
-    return cache;
-}
-
-void cache_fini(PageCache *cache)
-{
-    int64_t i;
-
-    g_assert(cache);
-    g_assert(cache->page_cache);
-
-    for (i = 0; i < cache->max_num_items; i++) {
-        g_free(cache->page_cache[i].it_data);
-    }
-
-    g_free(cache->page_cache);
-    cache->page_cache = NULL;
-    g_free(cache);
-}
-
-static size_t cache_get_cache_pos(const PageCache *cache,
-                                  uint64_t address)
-{
-    size_t pos;
-
-    g_assert(cache->max_num_items);
-    pos = (address / cache->page_size) & (cache->max_num_items - 1);
-    return pos;
-}
-
-static CacheItem *cache_get_by_addr(const PageCache *cache, uint64_t addr)
-{
-    size_t pos;
-
-    g_assert(cache);
-    g_assert(cache->page_cache);
-
-    pos = cache_get_cache_pos(cache, addr);
-
-    return &cache->page_cache[pos];
-}
-
-uint8_t *get_cached_data(const PageCache *cache, uint64_t addr)
-{
-    return cache_get_by_addr(cache, addr)->it_data;
-}
-
-bool cache_is_cached(const PageCache *cache, uint64_t addr,
-                     uint64_t current_age)
-{
-    CacheItem *it;
-
-    it = cache_get_by_addr(cache, addr);
-
-    if (it->it_addr == addr) {
-        /* update the it_age when the cache hit */
-        it->it_age = current_age;
-        return true;
-    }
-    return false;
-}
-
-int cache_insert(PageCache *cache, uint64_t addr, const uint8_t *pdata,
-                 uint64_t current_age)
-{
-
-    CacheItem *it;
-
-    /* actual update of entry */
-    it = cache_get_by_addr(cache, addr);
-
-    if (it->it_data && it->it_addr != addr &&
-        it->it_age + CACHED_PAGE_LIFETIME > current_age) {
-        /* the cache page is fresh, don't replace it */
-        return -1;
-    }
-    /* allocate page */
-    if (!it->it_data) {
-        it->it_data = g_try_malloc(cache->page_size);
-        if (!it->it_data) {
-            DPRINTF("Error allocating page\n");
-            return -1;
-        }
-        cache->num_items++;
-    }
-
-    memcpy(it->it_data, pdata, cache->page_size);
-
-    it->it_age = current_age;
-    it->it_addr = addr;
-
-    return 0;
-}
-
-int64_t cache_resize(PageCache *cache, int64_t new_num_pages)
-{
-    PageCache *new_cache;
-    int64_t i;
-
-    CacheItem *old_it, *new_it;
-
-    g_assert(cache);
-
-    /* cache was not inited */
-    if (cache->page_cache == NULL) {
-        return -1;
-    }
-
-    /* same size */
-    if (pow2floor(new_num_pages) == cache->max_num_items) {
-        return cache->max_num_items;
-    }
-
-    new_cache = cache_init(new_num_pages, cache->page_size);
-    if (!(new_cache)) {
-        DPRINTF("Error creating new cache\n");
-        return -1;
-    }
-
-    /* move all data from old cache */
-    for (i = 0; i < cache->max_num_items; i++) {
-        old_it = &cache->page_cache[i];
-        if (old_it->it_addr != -1) {
-            /* check for collision, if there is, keep MRU page */
-            new_it = cache_get_by_addr(new_cache, old_it->it_addr);
-            if (new_it->it_data && new_it->it_age >= old_it->it_age) {
-                /* keep the MRU page */
-                g_free(old_it->it_data);
-            } else {
-                if (!new_it->it_data) {
-                    new_cache->num_items++;
-                }
-                g_free(new_it->it_data);
-                new_it->it_data = old_it->it_data;
-                new_it->it_age = old_it->it_age;
-                new_it->it_addr = old_it->it_addr;
-            }
-        }
-    }
-
-    g_free(cache->page_cache);
-    cache->page_cache = new_cache->page_cache;
-    cache->max_num_items = new_cache->max_num_items;
-    cache->num_items = new_cache->num_items;
-
-    g_free(new_cache);
-
-    return cache->max_num_items;
-}