mirror of https://github.com/proxmox/mirror_qemu
block/parallels: move some structures into header
To implement xml format, some defines and structures from parallels.c are required. Signed-off-by: Klim Kireev <klim.kireev@virtuozzo.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Edgar Kaziakhmedov <edgar.kaziakhmedov@virtuozzo.com> Message-id: 20180112090122.1702-4-klim.kireev@virtuozzo.com CC: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>master
parent
ed279a06c5
commit
90fe66f046
|
@ -36,6 +36,7 @@
|
||||||
#include "qemu/bswap.h"
|
#include "qemu/bswap.h"
|
||||||
#include "qemu/bitmap.h"
|
#include "qemu/bitmap.h"
|
||||||
#include "migration/blocker.h"
|
#include "migration/blocker.h"
|
||||||
|
#include "parallels.h"
|
||||||
|
|
||||||
/**************************************************************/
|
/**************************************************************/
|
||||||
|
|
||||||
|
@ -45,30 +46,6 @@
|
||||||
#define HEADER_INUSE_MAGIC (0x746F6E59)
|
#define HEADER_INUSE_MAGIC (0x746F6E59)
|
||||||
#define MAX_PARALLELS_IMAGE_FACTOR (1ull << 32)
|
#define MAX_PARALLELS_IMAGE_FACTOR (1ull << 32)
|
||||||
|
|
||||||
#define DEFAULT_CLUSTER_SIZE 1048576 /* 1 MiB */
|
|
||||||
|
|
||||||
|
|
||||||
// always little-endian
|
|
||||||
typedef struct ParallelsHeader {
|
|
||||||
char magic[16]; // "WithoutFreeSpace"
|
|
||||||
uint32_t version;
|
|
||||||
uint32_t heads;
|
|
||||||
uint32_t cylinders;
|
|
||||||
uint32_t tracks;
|
|
||||||
uint32_t bat_entries;
|
|
||||||
uint64_t nb_sectors;
|
|
||||||
uint32_t inuse;
|
|
||||||
uint32_t data_off;
|
|
||||||
char padding[12];
|
|
||||||
} QEMU_PACKED ParallelsHeader;
|
|
||||||
|
|
||||||
|
|
||||||
typedef enum ParallelsPreallocMode {
|
|
||||||
PRL_PREALLOC_MODE_FALLOCATE = 0,
|
|
||||||
PRL_PREALLOC_MODE_TRUNCATE = 1,
|
|
||||||
PRL_PREALLOC_MODE__MAX = 2,
|
|
||||||
} ParallelsPreallocMode;
|
|
||||||
|
|
||||||
static QEnumLookup prealloc_mode_lookup = {
|
static QEnumLookup prealloc_mode_lookup = {
|
||||||
.array = (const char *const[]) {
|
.array = (const char *const[]) {
|
||||||
"falloc",
|
"falloc",
|
||||||
|
@ -77,34 +54,6 @@ static QEnumLookup prealloc_mode_lookup = {
|
||||||
.size = PRL_PREALLOC_MODE__MAX
|
.size = PRL_PREALLOC_MODE__MAX
|
||||||
};
|
};
|
||||||
|
|
||||||
typedef struct BDRVParallelsState {
|
|
||||||
/** Locking is conservative, the lock protects
|
|
||||||
* - image file extending (truncate, fallocate)
|
|
||||||
* - any access to block allocation table
|
|
||||||
*/
|
|
||||||
CoMutex lock;
|
|
||||||
|
|
||||||
ParallelsHeader *header;
|
|
||||||
uint32_t header_size;
|
|
||||||
bool header_unclean;
|
|
||||||
|
|
||||||
unsigned long *bat_dirty_bmap;
|
|
||||||
unsigned int bat_dirty_block;
|
|
||||||
|
|
||||||
uint32_t *bat_bitmap;
|
|
||||||
unsigned int bat_size;
|
|
||||||
|
|
||||||
int64_t data_end;
|
|
||||||
uint64_t prealloc_size;
|
|
||||||
ParallelsPreallocMode prealloc_mode;
|
|
||||||
|
|
||||||
unsigned int tracks;
|
|
||||||
|
|
||||||
unsigned int off_multiplier;
|
|
||||||
Error *migration_blocker;
|
|
||||||
} BDRVParallelsState;
|
|
||||||
|
|
||||||
|
|
||||||
#define PARALLELS_OPT_PREALLOC_MODE "prealloc-mode"
|
#define PARALLELS_OPT_PREALLOC_MODE "prealloc-mode"
|
||||||
#define PARALLELS_OPT_PREALLOC_SIZE "prealloc-size"
|
#define PARALLELS_OPT_PREALLOC_SIZE "prealloc-size"
|
||||||
|
|
||||||
|
|
|
@ -0,0 +1,86 @@
|
||||||
|
/*
|
||||||
|
* Block driver for Parallels disk image format
|
||||||
|
*
|
||||||
|
* Copyright (c) 2015-2017 Virtuozzo, Inc.
|
||||||
|
* Authors:
|
||||||
|
* 2016-2017 Klim S. Kireev <klim.kireev@virtuozzo.com>
|
||||||
|
* 2015 Denis V. Lunev <den@openvz.org>
|
||||||
|
*
|
||||||
|
* This code was originally based on comparing different disk images created
|
||||||
|
* by Parallels. Currently it is based on opened OpenVZ sources
|
||||||
|
* available at
|
||||||
|
* https://github.com/OpenVZ/ploop
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
|
* of this software and associated documentation files (the "Software"), to deal
|
||||||
|
* in the Software without restriction, including without limitation the rights
|
||||||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
* copies of the Software, and to permit persons to whom the Software is
|
||||||
|
* furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included in
|
||||||
|
* all copies or substantial portions of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||||
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||||
|
* THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
#ifndef BLOCK_PARALLELS_H
|
||||||
|
#define BLOCK_PARALLELS_H
|
||||||
|
#include "qemu/coroutine.h"
|
||||||
|
#include "qemu/typedefs.h"
|
||||||
|
|
||||||
|
#define DEFAULT_CLUSTER_SIZE 1048576 /* 1 MiB */
|
||||||
|
|
||||||
|
/* always little-endian */
|
||||||
|
typedef struct ParallelsHeader {
|
||||||
|
char magic[16]; /* "WithoutFreeSpace" */
|
||||||
|
uint32_t version;
|
||||||
|
uint32_t heads;
|
||||||
|
uint32_t cylinders;
|
||||||
|
uint32_t tracks;
|
||||||
|
uint32_t bat_entries;
|
||||||
|
uint64_t nb_sectors;
|
||||||
|
uint32_t inuse;
|
||||||
|
uint32_t data_off;
|
||||||
|
char padding[12];
|
||||||
|
} QEMU_PACKED ParallelsHeader;
|
||||||
|
|
||||||
|
typedef enum ParallelsPreallocMode {
|
||||||
|
PRL_PREALLOC_MODE_FALLOCATE = 0,
|
||||||
|
PRL_PREALLOC_MODE_TRUNCATE = 1,
|
||||||
|
PRL_PREALLOC_MODE__MAX = 2,
|
||||||
|
} ParallelsPreallocMode;
|
||||||
|
|
||||||
|
typedef struct BDRVParallelsState {
|
||||||
|
/** Locking is conservative, the lock protects
|
||||||
|
* - image file extending (truncate, fallocate)
|
||||||
|
* - any access to block allocation table
|
||||||
|
*/
|
||||||
|
CoMutex lock;
|
||||||
|
|
||||||
|
ParallelsHeader *header;
|
||||||
|
uint32_t header_size;
|
||||||
|
bool header_unclean;
|
||||||
|
|
||||||
|
unsigned long *bat_dirty_bmap;
|
||||||
|
unsigned int bat_dirty_block;
|
||||||
|
|
||||||
|
uint32_t *bat_bitmap;
|
||||||
|
unsigned int bat_size;
|
||||||
|
|
||||||
|
int64_t data_end;
|
||||||
|
uint64_t prealloc_size;
|
||||||
|
ParallelsPreallocMode prealloc_mode;
|
||||||
|
|
||||||
|
unsigned int tracks;
|
||||||
|
|
||||||
|
unsigned int off_multiplier;
|
||||||
|
Error *migration_blocker;
|
||||||
|
} BDRVParallelsState;
|
||||||
|
|
||||||
|
#endif
|
Loading…
Reference in New Issue