diff options
| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2017-06-28 15:05:25 +0300 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2017-07-11 17:44:59 +0200 |
| commit | a3b52535e8a577d9b12887a34183fe9077ea24d8 (patch) | |
| tree | b97d4f9dfd789437e388849fca661d54196db0b5 /util | |
| parent | eb738bb50f216db5edbbf0a59c488cd685ef9e61 (diff) | |
qmp: add x-debug-block-dirty-bitmap-sha256
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-id: 20170628120530.31251-26-vsementsov@virtuozzo.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'util')
| -rw-r--r-- | util/hbitmap.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/util/hbitmap.c b/util/hbitmap.c index 0c1591a594..21535cc90b 100644 --- a/util/hbitmap.c +++ b/util/hbitmap.c @@ -13,6 +13,7 @@ #include "qemu/hbitmap.h" #include "qemu/host-utils.h" #include "trace.h" +#include "crypto/hash.h" /* HBitmaps provides an array of bits. The bits are stored as usual in an * array of unsigned longs, but HBitmap is also optimized to provide fast @@ -727,3 +728,13 @@ void hbitmap_free_meta(HBitmap *hb) hbitmap_free(hb->meta); hb->meta = NULL; } + +char *hbitmap_sha256(const HBitmap *bitmap, Error **errp) +{ + size_t size = bitmap->sizes[HBITMAP_LEVELS - 1] * sizeof(unsigned long); + char *data = (char *)bitmap->levels[HBITMAP_LEVELS - 1]; + char *hash = NULL; + qcrypto_hash_digest(QCRYPTO_HASH_ALG_SHA256, data, size, &hash, errp); + + return hash; +} |