Split block API from vl.h.

Remove QEMU_TOOL. Replace with QEMU_IMG and NEED_CPU_H.
Avoid linking qemu-img against whole system emulatior.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3578 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2007-11-11 02:51:17 +00:00
parent 28c5af54c6
commit faf07963cb
21 changed files with 307 additions and 271 deletions

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@ -13,7 +13,6 @@ BASE_LDFLAGS += $(OS_LDFLAGS) $(ARCH_LDFLAGS)
CPPFLAGS += -I. -I$(SRC_PATH) -MMD -MP CPPFLAGS += -I. -I$(SRC_PATH) -MMD -MP
CPPFLAGS += -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE CPPFLAGS += -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
CPPFLAGS += -DQEMU_TOOL
LIBS= LIBS=
ifdef CONFIG_STATIC ifdef CONFIG_STATIC
BASE_LDFLAGS += -static BASE_LDFLAGS += -static
@ -33,15 +32,23 @@ subdir-%: dyngen$(EXESUF) libqemu_common.a
recurse-all: $(patsubst %,subdir-%, $(TARGET_DIRS)) recurse-all: $(patsubst %,subdir-%, $(TARGET_DIRS))
#######################################################################
# BLOCK_OBJS is code used by both qemu system emulation and qemu-img
BLOCK_OBJS=cutils.o
BLOCK_OBJS+=block-cow.o block-qcow.o aes.o block-vmdk.o block-cloop.o
BLOCK_OBJS+=block-dmg.o block-bochs.o block-vpc.o block-vvfat.o
BLOCK_OBJS+=block-qcow2.o block-parallels.o
###################################################################### ######################################################################
# libqemu_common.a: target indepedent part of system emulation. The # libqemu_common.a: Target indepedent part of system emulation. The
# long term path is to suppress *all* target specific code in case of # long term path is to suppress *all* target specific code in case of
# system emulation, i.e. a single QEMU executable should support all # system emulation, i.e. a single QEMU executable should support all
# CPUs and machines. # CPUs and machines.
OBJS+=cutils.o readline.o console.o OBJS=$(BLOCK_OBJS)
#OBJS+=block.o block-raw.o OBJS+=readline.o console.o
OBJS+=block-cow.o block-qcow.o aes.o block-vmdk.o block-cloop.o block-dmg.o block-bochs.o block-vpc.o block-vvfat.o block-qcow2.o block-parallels.o OBJS+=block.o
ifdef CONFIG_WIN32 ifdef CONFIG_WIN32
OBJS+=tap-win32.o OBJS+=tap-win32.o
@ -105,9 +112,12 @@ libqemu_common.a: $(OBJS)
###################################################################### ######################################################################
qemu-img$(EXESUF): qemu-img.o block.o block-raw.o libqemu_common.a qemu-img$(EXESUF): qemu-img.o qemu-img-block.o qemu-img-block-raw.o $(BLOCK_OBJS)
$(CC) $(LDFLAGS) $(BASE_LDFLAGS) -o $@ $^ -lz $(LIBS) $(CC) $(LDFLAGS) $(BASE_LDFLAGS) -o $@ $^ -lz $(LIBS)
qemu-img-%.o: %.c
$(CC) $(CFLAGS) $(CPPFLAGS) -DQEMU_IMG $(BASE_CFLAGS) -c -o $@ $<
%.o: %.c %.o: %.c
$(CC) $(CFLAGS) $(CPPFLAGS) $(BASE_CFLAGS) -c -o $@ $< $(CC) $(CFLAGS) $(CPPFLAGS) $(BASE_CFLAGS) -c -o $@ $<

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@ -24,7 +24,7 @@ TARGET_BASE_ARCH:=sparc
endif endif
TARGET_PATH=$(SRC_PATH)/target-$(TARGET_BASE_ARCH) TARGET_PATH=$(SRC_PATH)/target-$(TARGET_BASE_ARCH)
VPATH=$(SRC_PATH):$(TARGET_PATH):$(SRC_PATH)/hw VPATH=$(SRC_PATH):$(TARGET_PATH):$(SRC_PATH)/hw
CPPFLAGS=-I. -I.. -I$(TARGET_PATH) -I$(SRC_PATH) -MMD -MP CPPFLAGS=-I. -I.. -I$(TARGET_PATH) -I$(SRC_PATH) -MMD -MP -DNEED_CPU_H
ifdef CONFIG_DARWIN_USER ifdef CONFIG_DARWIN_USER
VPATH+=:$(SRC_PATH)/darwin-user VPATH+=:$(SRC_PATH)/darwin-user
CPPFLAGS+=-I$(SRC_PATH)/darwin-user -I$(SRC_PATH)/darwin-user/$(TARGET_ARCH) CPPFLAGS+=-I$(SRC_PATH)/darwin-user -I$(SRC_PATH)/darwin-user/$(TARGET_ARCH)
@ -398,7 +398,7 @@ endif
# must use static linking to avoid leaving stuff in virtual address space # must use static linking to avoid leaving stuff in virtual address space
VL_OBJS=vl.o osdep.o monitor.o pci.o loader.o isa_mmio.o VL_OBJS=vl.o osdep.o monitor.o pci.o loader.o isa_mmio.o
# XXX: suppress QEMU_TOOL tests # XXX: suppress QEMU_TOOL tests
VL_OBJS+=block.o block-raw.o VL_OBJS+=block-raw.o
VL_OBJS+=irq.o VL_OBJS+=irq.o
ifdef CONFIG_ALSA ifdef CONFIG_ALSA

2
aes.c
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@ -27,7 +27,7 @@
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/ */
#include "vl.h" #include "qemu-common.h"
#include "aes.h" #include "aes.h"
#define NDEBUG #define NDEBUG

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@ -22,7 +22,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE. * THE SOFTWARE.
*/ */
#include "vl.h" #include "qemu-common.h"
#include "block_int.h" #include "block_int.h"
/**************************************************************/ /**************************************************************/

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@ -21,7 +21,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE. * THE SOFTWARE.
*/ */
#include "vl.h" #include "qemu-common.h"
#include "block_int.h" #include "block_int.h"
#include <zlib.h> #include <zlib.h>

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@ -22,7 +22,7 @@
* THE SOFTWARE. * THE SOFTWARE.
*/ */
#ifndef _WIN32 #ifndef _WIN32
#include "vl.h" #include "qemu-common.h"
#include "block_int.h" #include "block_int.h"
#include <sys/mman.h> #include <sys/mman.h>

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@ -21,7 +21,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE. * THE SOFTWARE.
*/ */
#include "vl.h" #include "qemu-common.h"
#include "block_int.h" #include "block_int.h"
#include "bswap.h" #include "bswap.h"
#include <zlib.h> #include <zlib.h>

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@ -23,7 +23,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE. * THE SOFTWARE.
*/ */
#include "vl.h" #include "qemu-common.h"
#include "block_int.h" #include "block_int.h"
/**************************************************************/ /**************************************************************/

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@ -21,7 +21,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE. * THE SOFTWARE.
*/ */
#include "vl.h" #include "qemu-common.h"
#include "block_int.h" #include "block_int.h"
#include <zlib.h> #include <zlib.h>
#include "aes.h" #include "aes.h"

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@ -21,7 +21,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE. * THE SOFTWARE.
*/ */
#include "vl.h" #include "qemu-common.h"
#include "block_int.h" #include "block_int.h"
#include <zlib.h> #include <zlib.h>
#include "aes.h" #include "aes.h"

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@ -21,16 +21,16 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE. * THE SOFTWARE.
*/ */
#ifdef QEMU_IMG
#include "qemu-common.h"
#else
#include "vl.h" #include "vl.h"
#endif
#include "block_int.h" #include "block_int.h"
#include <assert.h> #include <assert.h>
#ifndef _WIN32 #ifndef _WIN32
#include <aio.h> #include <aio.h>
#ifndef QEMU_TOOL
#include "exec-all.h"
#endif
#ifdef CONFIG_COCOA #ifdef CONFIG_COCOA
#include <paths.h> #include <paths.h>
#include <sys/param.h> #include <sys/param.h>
@ -59,8 +59,9 @@
//#define DEBUG_FLOPPY //#define DEBUG_FLOPPY
#define DEBUG_BLOCK //#define DEBUG_BLOCK
#if defined(DEBUG_BLOCK) && !defined(QEMU_TOOL) #if defined(DEBUG_BLOCK) && !defined(QEMU_IMG)
#include "exec-all.h"
#define DEBUG_BLOCK_PRINT(formatCstr, args...) do { if (loglevel != 0) \ #define DEBUG_BLOCK_PRINT(formatCstr, args...) do { if (loglevel != 0) \
{ fprintf(logfile, formatCstr, ##args); fflush(logfile); } } while (0) { fprintf(logfile, formatCstr, ##args); fflush(logfile); } } while (0)
#else #else
@ -242,7 +243,7 @@ static int aio_initialized = 0;
static void aio_signal_handler(int signum) static void aio_signal_handler(int signum)
{ {
#ifndef QEMU_TOOL #ifndef QEMU_IMG
CPUState *env = cpu_single_env; CPUState *env = cpu_single_env;
if (env) { if (env) {
/* stop the currently executing cpu because a timer occured */ /* stop the currently executing cpu because a timer occured */
@ -352,7 +353,7 @@ void qemu_aio_wait(void)
sigset_t set; sigset_t set;
int nb_sigs; int nb_sigs;
#ifndef QEMU_TOOL #ifndef QEMU_IMG
if (qemu_bh_poll()) if (qemu_bh_poll())
return; return;
#endif #endif
@ -693,7 +694,7 @@ static int hdev_open(BlockDriverState *bs, const char *filename, int flags)
return 0; return 0;
} }
#if defined(__linux__) && !defined(QEMU_TOOL) #if defined(__linux__) && !defined(QEMU_IMG)
/* Note: we do not have a reliable method to detect if the floppy is /* Note: we do not have a reliable method to detect if the floppy is
present. The current method is to try to open the floppy at every present. The current method is to try to open the floppy at every
@ -976,7 +977,7 @@ static int raw_open(BlockDriverState *bs, const char *filename, int flags)
} else { } else {
create_flags = OPEN_EXISTING; create_flags = OPEN_EXISTING;
} }
#ifdef QEMU_TOOL #ifdef QEMU_IMG
overlapped = FILE_ATTRIBUTE_NORMAL; overlapped = FILE_ATTRIBUTE_NORMAL;
#else #else
overlapped = FILE_FLAG_OVERLAPPED; overlapped = FILE_FLAG_OVERLAPPED;
@ -1039,7 +1040,7 @@ static int raw_pwrite(BlockDriverState *bs, int64_t offset,
} }
#if 0 #if 0
#ifndef QEMU_TOOL #ifndef QEMU_IMG
static void raw_aio_cb(void *opaque) static void raw_aio_cb(void *opaque)
{ {
RawAIOCB *acb = opaque; RawAIOCB *acb = opaque;
@ -1078,7 +1079,7 @@ static RawAIOCB *raw_aio_setup(BlockDriverState *bs,
acb->ov.OffsetHigh = offset >> 32; acb->ov.OffsetHigh = offset >> 32;
acb->ov.hEvent = acb->hEvent; acb->ov.hEvent = acb->hEvent;
acb->count = nb_sectors * 512; acb->count = nb_sectors * 512;
#ifndef QEMU_TOOL #ifndef QEMU_IMG
qemu_add_wait_object(acb->ov.hEvent, raw_aio_cb, acb); qemu_add_wait_object(acb->ov.hEvent, raw_aio_cb, acb);
#endif #endif
return acb; return acb;
@ -1100,7 +1101,7 @@ static BlockDriverAIOCB *raw_aio_read(BlockDriverState *bs,
qemu_aio_release(acb); qemu_aio_release(acb);
return NULL; return NULL;
} }
#ifdef QEMU_TOOL #ifdef QEMU_IMG
qemu_aio_release(acb); qemu_aio_release(acb);
#endif #endif
return (BlockDriverAIOCB *)acb; return (BlockDriverAIOCB *)acb;
@ -1122,7 +1123,7 @@ static BlockDriverAIOCB *raw_aio_write(BlockDriverState *bs,
qemu_aio_release(acb); qemu_aio_release(acb);
return NULL; return NULL;
} }
#ifdef QEMU_TOOL #ifdef QEMU_IMG
qemu_aio_release(acb); qemu_aio_release(acb);
#endif #endif
return (BlockDriverAIOCB *)acb; return (BlockDriverAIOCB *)acb;
@ -1130,7 +1131,7 @@ static BlockDriverAIOCB *raw_aio_write(BlockDriverState *bs,
static void raw_aio_cancel(BlockDriverAIOCB *blockacb) static void raw_aio_cancel(BlockDriverAIOCB *blockacb)
{ {
#ifndef QEMU_TOOL #ifndef QEMU_IMG
RawAIOCB *acb = (RawAIOCB *)blockacb; RawAIOCB *acb = (RawAIOCB *)blockacb;
BlockDriverState *bs = acb->common.bs; BlockDriverState *bs = acb->common.bs;
BDRVRawState *s = bs->opaque; BDRVRawState *s = bs->opaque;
@ -1238,7 +1239,7 @@ void qemu_aio_wait_start(void)
void qemu_aio_wait(void) void qemu_aio_wait(void)
{ {
#ifndef QEMU_TOOL #ifndef QEMU_IMG
qemu_bh_poll(); qemu_bh_poll();
#endif #endif
} }
@ -1344,7 +1345,7 @@ static int hdev_open(BlockDriverState *bs, const char *filename, int flags)
} }
create_flags = OPEN_EXISTING; create_flags = OPEN_EXISTING;
#ifdef QEMU_TOOL #ifdef QEMU_IMG
overlapped = FILE_ATTRIBUTE_NORMAL; overlapped = FILE_ATTRIBUTE_NORMAL;
#else #else
overlapped = FILE_FLAG_OVERLAPPED; overlapped = FILE_FLAG_OVERLAPPED;

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@ -23,7 +23,7 @@
* THE SOFTWARE. * THE SOFTWARE.
*/ */
#include "vl.h" #include "qemu-common.h"
#include "block_int.h" #include "block_int.h"
#define VMDK3_MAGIC (('C' << 24) | ('O' << 16) | ('W' << 8) | 'D') #define VMDK3_MAGIC (('C' << 24) | ('O' << 16) | ('W' << 8) | 'D')

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@ -21,7 +21,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE. * THE SOFTWARE.
*/ */
#include "vl.h" #include "qemu-common.h"
#include "block_int.h" #include "block_int.h"
/**************************************************************/ /**************************************************************/

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@ -25,7 +25,7 @@
#include <sys/stat.h> #include <sys/stat.h>
#include <dirent.h> #include <dirent.h>
#include <assert.h> #include <assert.h>
#include "vl.h" #include "qemu-common.h"
#include "block_int.h" #include "block_int.h"
#ifndef S_IWGRP #ifndef S_IWGRP

12
block.c
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@ -21,7 +21,11 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE. * THE SOFTWARE.
*/ */
#ifdef QEMU_IMG
#include "qemu-common.h"
#else
#include "vl.h" #include "vl.h"
#endif
#include "block_int.h" #include "block_int.h"
#ifdef _BSD #ifdef _BSD
@ -53,7 +57,7 @@ static int bdrv_read_em(BlockDriverState *bs, int64_t sector_num,
static int bdrv_write_em(BlockDriverState *bs, int64_t sector_num, static int bdrv_write_em(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors); const uint8_t *buf, int nb_sectors);
static BlockDriverState *bdrv_first; BlockDriverState *bdrv_first;
static BlockDriver *first_drv; static BlockDriver *first_drv;
int path_is_absolute(const char *path) int path_is_absolute(const char *path)
@ -859,6 +863,7 @@ void bdrv_flush(BlockDriverState *bs)
bdrv_flush(bs->backing_hd); bdrv_flush(bs->backing_hd);
} }
#ifndef QEMU_IMG
void bdrv_info(void) void bdrv_info(void)
{ {
BlockDriverState *bs; BlockDriverState *bs;
@ -898,6 +903,7 @@ void bdrv_info(void)
term_printf("\n"); term_printf("\n");
} }
} }
#endif
void bdrv_get_backing_filename(BlockDriverState *bs, void bdrv_get_backing_filename(BlockDriverState *bs,
char *filename, int filename_size) char *filename, int filename_size)
@ -1102,7 +1108,7 @@ void bdrv_aio_cancel(BlockDriverAIOCB *acb)
/**************************************************************/ /**************************************************************/
/* async block device emulation */ /* async block device emulation */
#ifdef QEMU_TOOL #ifdef QEMU_IMG
static BlockDriverAIOCB *bdrv_aio_read_em(BlockDriverState *bs, static BlockDriverAIOCB *bdrv_aio_read_em(BlockDriverState *bs,
int64_t sector_num, uint8_t *buf, int nb_sectors, int64_t sector_num, uint8_t *buf, int nb_sectors,
BlockDriverCompletionFunc *cb, void *opaque) BlockDriverCompletionFunc *cb, void *opaque)
@ -1172,7 +1178,7 @@ static void bdrv_aio_cancel_em(BlockDriverAIOCB *blockacb)
qemu_bh_cancel(acb->bh); qemu_bh_cancel(acb->bh);
qemu_aio_release(acb); qemu_aio_release(acb);
} }
#endif /* !QEMU_TOOL */ #endif /* !QEMU_IMG */
/**************************************************************/ /**************************************************************/
/* sync block device emulation */ /* sync block device emulation */

157
block.h Normal file
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@ -0,0 +1,157 @@
#ifndef BLOCK_H
#define BLOCK_H
/* block.c */
typedef struct BlockDriverState BlockDriverState;
typedef struct BlockDriver BlockDriver;
extern BlockDriver bdrv_raw;
extern BlockDriver bdrv_host_device;
extern BlockDriver bdrv_cow;
extern BlockDriver bdrv_qcow;
extern BlockDriver bdrv_vmdk;
extern BlockDriver bdrv_cloop;
extern BlockDriver bdrv_dmg;
extern BlockDriver bdrv_bochs;
extern BlockDriver bdrv_vpc;
extern BlockDriver bdrv_vvfat;
extern BlockDriver bdrv_qcow2;
extern BlockDriver bdrv_parallels;
typedef struct BlockDriverInfo {
/* in bytes, 0 if irrelevant */
int cluster_size;
/* offset at which the VM state can be saved (0 if not possible) */
int64_t vm_state_offset;
} BlockDriverInfo;
typedef struct QEMUSnapshotInfo {
char id_str[128]; /* unique snapshot id */
/* the following fields are informative. They are not needed for
the consistency of the snapshot */
char name[256]; /* user choosen name */
uint32_t vm_state_size; /* VM state info size */
uint32_t date_sec; /* UTC date of the snapshot */
uint32_t date_nsec;
uint64_t vm_clock_nsec; /* VM clock relative to boot */
} QEMUSnapshotInfo;
#define BDRV_O_RDONLY 0x0000
#define BDRV_O_RDWR 0x0002
#define BDRV_O_ACCESS 0x0003
#define BDRV_O_CREAT 0x0004 /* create an empty file */
#define BDRV_O_SNAPSHOT 0x0008 /* open the file read only and save writes in a snapshot */
#define BDRV_O_FILE 0x0010 /* open as a raw file (do not try to
use a disk image format on top of
it (default for
bdrv_file_open()) */
#ifndef QEMU_IMG
void bdrv_info(void);
#endif
void bdrv_init(void);
BlockDriver *bdrv_find_format(const char *format_name);
int bdrv_create(BlockDriver *drv,
const char *filename, int64_t size_in_sectors,
const char *backing_file, int flags);
BlockDriverState *bdrv_new(const char *device_name);
void bdrv_delete(BlockDriverState *bs);
int bdrv_file_open(BlockDriverState **pbs, const char *filename, int flags);
int bdrv_open(BlockDriverState *bs, const char *filename, int flags);
int bdrv_open2(BlockDriverState *bs, const char *filename, int flags,
BlockDriver *drv);
void bdrv_close(BlockDriverState *bs);
int bdrv_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors);
int bdrv_write(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors);
int bdrv_pread(BlockDriverState *bs, int64_t offset,
void *buf, int count);
int bdrv_pwrite(BlockDriverState *bs, int64_t offset,
const void *buf, int count);
int bdrv_truncate(BlockDriverState *bs, int64_t offset);
int64_t bdrv_getlength(BlockDriverState *bs);
void bdrv_get_geometry(BlockDriverState *bs, int64_t *nb_sectors_ptr);
int bdrv_commit(BlockDriverState *bs);
void bdrv_set_boot_sector(BlockDriverState *bs, const uint8_t *data, int size);
/* async block I/O */
typedef struct BlockDriverAIOCB BlockDriverAIOCB;
typedef void BlockDriverCompletionFunc(void *opaque, int ret);
BlockDriverAIOCB *bdrv_aio_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors,
BlockDriverCompletionFunc *cb, void *opaque);
BlockDriverAIOCB *bdrv_aio_write(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors,
BlockDriverCompletionFunc *cb, void *opaque);
void bdrv_aio_cancel(BlockDriverAIOCB *acb);
void qemu_aio_init(void);
void qemu_aio_poll(void);
void qemu_aio_flush(void);
void qemu_aio_wait_start(void);
void qemu_aio_wait(void);
void qemu_aio_wait_end(void);
int qemu_key_check(BlockDriverState *bs, const char *name);
/* Ensure contents are flushed to disk. */
void bdrv_flush(BlockDriverState *bs);
#define BDRV_TYPE_HD 0
#define BDRV_TYPE_CDROM 1
#define BDRV_TYPE_FLOPPY 2
#define BIOS_ATA_TRANSLATION_AUTO 0
#define BIOS_ATA_TRANSLATION_NONE 1
#define BIOS_ATA_TRANSLATION_LBA 2
#define BIOS_ATA_TRANSLATION_LARGE 3
#define BIOS_ATA_TRANSLATION_RECHS 4
void bdrv_set_geometry_hint(BlockDriverState *bs,
int cyls, int heads, int secs);
void bdrv_set_type_hint(BlockDriverState *bs, int type);
void bdrv_set_translation_hint(BlockDriverState *bs, int translation);
void bdrv_get_geometry_hint(BlockDriverState *bs,
int *pcyls, int *pheads, int *psecs);
int bdrv_get_type_hint(BlockDriverState *bs);
int bdrv_get_translation_hint(BlockDriverState *bs);
int bdrv_is_removable(BlockDriverState *bs);
int bdrv_is_read_only(BlockDriverState *bs);
int bdrv_is_inserted(BlockDriverState *bs);
int bdrv_media_changed(BlockDriverState *bs);
int bdrv_is_locked(BlockDriverState *bs);
void bdrv_set_locked(BlockDriverState *bs, int locked);
void bdrv_eject(BlockDriverState *bs, int eject_flag);
void bdrv_set_change_cb(BlockDriverState *bs,
void (*change_cb)(void *opaque), void *opaque);
void bdrv_get_format(BlockDriverState *bs, char *buf, int buf_size);
BlockDriverState *bdrv_find(const char *name);
void bdrv_iterate(void (*it)(void *opaque, const char *name), void *opaque);
int bdrv_is_encrypted(BlockDriverState *bs);
int bdrv_set_key(BlockDriverState *bs, const char *key);
void bdrv_iterate_format(void (*it)(void *opaque, const char *name),
void *opaque);
const char *bdrv_get_device_name(BlockDriverState *bs);
int bdrv_write_compressed(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors);
int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi);
void bdrv_get_backing_filename(BlockDriverState *bs,
char *filename, int filename_size);
int bdrv_snapshot_create(BlockDriverState *bs,
QEMUSnapshotInfo *sn_info);
int bdrv_snapshot_goto(BlockDriverState *bs,
const char *snapshot_id);
int bdrv_snapshot_delete(BlockDriverState *bs, const char *snapshot_id);
int bdrv_snapshot_list(BlockDriverState *bs,
QEMUSnapshotInfo **psn_info);
char *bdrv_snapshot_dump(char *buf, int buf_size, QEMUSnapshotInfo *sn);
char *get_human_readable_size(char *buf, int buf_size, int64_t size);
int path_is_absolute(const char *path);
void path_combine(char *dest, int dest_size,
const char *base_path,
const char *filename);
#endif

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@ -24,6 +24,8 @@
#ifndef BLOCK_INT_H #ifndef BLOCK_INT_H
#define BLOCK_INT_H #define BLOCK_INT_H
#include "block.h"
#define BLOCK_FLAG_ENCRYPT 1 #define BLOCK_FLAG_ENCRYPT 1
#define BLOCK_FLAG_COMPRESS 2 #define BLOCK_FLAG_COMPRESS 2
#define BLOCK_FLAG_COMPAT6 4 #define BLOCK_FLAG_COMPAT6 4
@ -133,4 +135,6 @@ void *qemu_aio_get(BlockDriverState *bs, BlockDriverCompletionFunc *cb,
void *opaque); void *opaque);
void qemu_aio_release(void *p); void qemu_aio_release(void *p);
BlockDriverState *bdrv_first;
#endif /* BLOCK_INT_H */ #endif /* BLOCK_INT_H */

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@ -21,7 +21,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE. * THE SOFTWARE.
*/ */
#include "vl.h" #include "qemu-common.h"
void pstrcpy(char *buf, int buf_size, const char *str) void pstrcpy(char *buf, int buf_size, const char *str)
{ {

83
qemu-common.h Normal file
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@ -0,0 +1,83 @@
/* Common header file that is included by all of qemu. */
#ifndef QEMU_COMMON_H
#define QEMU_COMMON_H
/* we put basic includes here to avoid repeating them in device drivers */
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <inttypes.h>
#include <limits.h>
#include <time.h>
#include <ctype.h>
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#ifndef O_LARGEFILE
#define O_LARGEFILE 0
#endif
#ifndef O_BINARY
#define O_BINARY 0
#endif
#ifndef ENOMEDIUM
#define ENOMEDIUM ENODEV
#endif
#ifdef _WIN32
#include <windows.h>
#define fsync _commit
#define lseek _lseeki64
#define ENOTSUP 4096
extern int qemu_ftruncate64(int, int64_t);
#define ftruncate qemu_ftruncate64
static inline char *realpath(const char *path, char *resolved_path)
{
_fullpath(resolved_path, path, _MAX_PATH);
return resolved_path;
}
#define PRId64 "I64d"
#define PRIx64 "I64x"
#define PRIu64 "I64u"
#define PRIo64 "I64o"
#endif
/* FIXME: Remove NEED_CPU_H. */
#ifndef NEED_CPU_H
#include "config-host.h"
#include <setjmp.h>
#include "osdep.h"
#include "bswap.h"
#else
#include "cpu.h"
#endif /* !defined(NEED_CPU_H) */
/* bottom halves */
typedef struct QEMUBH QEMUBH;
typedef void QEMUBHFunc(void *opaque);
QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque);
void qemu_bh_schedule(QEMUBH *bh);
void qemu_bh_cancel(QEMUBH *bh);
void qemu_bh_delete(QEMUBH *bh);
int qemu_bh_poll(void);
/* cutils.c */
void pstrcpy(char *buf, int buf_size, const char *str);
char *pstrcat(char *buf, int buf_size, const char *s);
int strstart(const char *str, const char *val, const char **ptr);
int stristart(const char *str, const char *val, const char **ptr);
time_t mktimegm(struct tm *tm);
#endif

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@ -21,7 +21,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE. * THE SOFTWARE.
*/ */
#include "vl.h" #include "qemu-common.h"
#include "block_int.h" #include "block_int.h"
#include <assert.h> #include <assert.h>

235
vl.h
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@ -24,66 +24,10 @@
#ifndef VL_H #ifndef VL_H
#define VL_H #define VL_H
/* we put basic includes here to avoid repeating them in device drivers */ #include "qemu-common.h"
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <inttypes.h>
#include <limits.h>
#include <time.h>
#include <ctype.h>
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#ifndef O_LARGEFILE /* FIXME: Remove this. */
#define O_LARGEFILE 0 #include "block.h"
#endif
#ifndef O_BINARY
#define O_BINARY 0
#endif
#ifndef ENOMEDIUM
#define ENOMEDIUM ENODEV
#endif
#ifdef _WIN32
#include <windows.h>
#define fsync _commit
#define lseek _lseeki64
#define ENOTSUP 4096
extern int qemu_ftruncate64(int, int64_t);
#define ftruncate qemu_ftruncate64
static inline char *realpath(const char *path, char *resolved_path)
{
_fullpath(resolved_path, path, _MAX_PATH);
return resolved_path;
}
#define PRId64 "I64d"
#define PRIx64 "I64x"
#define PRIu64 "I64u"
#define PRIo64 "I64o"
#endif
#ifdef QEMU_TOOL
/* we use QEMU_TOOL on code which does not depend on the target CPU
type */
#include "config-host.h"
#include <setjmp.h>
#include "osdep.h"
#include "bswap.h"
#else
#include "cpu.h"
#endif /* !defined(QEMU_TOOL) */
#ifndef glue #ifndef glue
#define xglue(x, y) x ## y #define xglue(x, y) x ## y
@ -118,13 +62,6 @@ static inline char *realpath(const char *path, char *resolved_path)
#include "audio/audio.h" #include "audio/audio.h"
/* cutils.c */
void pstrcpy(char *buf, int buf_size, const char *str);
char *pstrcat(char *buf, int buf_size, const char *s);
int strstart(const char *str, const char *val, const char **ptr);
int stristart(const char *str, const char *val, const char **ptr);
time_t mktimegm(struct tm *tm);
/* vl.c */ /* vl.c */
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c); uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c);
@ -297,8 +234,6 @@ int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);
void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque); void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);
#endif #endif
typedef struct QEMUBH QEMUBH;
/* character device */ /* character device */
#define CHR_EVENT_BREAK 0 /* serial break char */ #define CHR_EVENT_BREAK 0 /* serial break char */
@ -604,166 +539,6 @@ void do_loadvm(const char *name);
void do_delvm(const char *name); void do_delvm(const char *name);
void do_info_snapshots(void); void do_info_snapshots(void);
/* bottom halves */
typedef void QEMUBHFunc(void *opaque);
QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque);
void qemu_bh_schedule(QEMUBH *bh);
void qemu_bh_cancel(QEMUBH *bh);
void qemu_bh_delete(QEMUBH *bh);
int qemu_bh_poll(void);
/* block.c */
typedef struct BlockDriverState BlockDriverState;
typedef struct BlockDriver BlockDriver;
extern BlockDriver bdrv_raw;
extern BlockDriver bdrv_host_device;
extern BlockDriver bdrv_cow;
extern BlockDriver bdrv_qcow;
extern BlockDriver bdrv_vmdk;
extern BlockDriver bdrv_cloop;
extern BlockDriver bdrv_dmg;
extern BlockDriver bdrv_bochs;
extern BlockDriver bdrv_vpc;
extern BlockDriver bdrv_vvfat;
extern BlockDriver bdrv_qcow2;
extern BlockDriver bdrv_parallels;
typedef struct BlockDriverInfo {
/* in bytes, 0 if irrelevant */
int cluster_size;
/* offset at which the VM state can be saved (0 if not possible) */
int64_t vm_state_offset;
} BlockDriverInfo;
typedef struct QEMUSnapshotInfo {
char id_str[128]; /* unique snapshot id */
/* the following fields are informative. They are not needed for
the consistency of the snapshot */
char name[256]; /* user choosen name */
uint32_t vm_state_size; /* VM state info size */
uint32_t date_sec; /* UTC date of the snapshot */
uint32_t date_nsec;
uint64_t vm_clock_nsec; /* VM clock relative to boot */
} QEMUSnapshotInfo;
#define BDRV_O_RDONLY 0x0000
#define BDRV_O_RDWR 0x0002
#define BDRV_O_ACCESS 0x0003
#define BDRV_O_CREAT 0x0004 /* create an empty file */
#define BDRV_O_SNAPSHOT 0x0008 /* open the file read only and save writes in a snapshot */
#define BDRV_O_FILE 0x0010 /* open as a raw file (do not try to
use a disk image format on top of
it (default for
bdrv_file_open()) */
void bdrv_init(void);
BlockDriver *bdrv_find_format(const char *format_name);
int bdrv_create(BlockDriver *drv,
const char *filename, int64_t size_in_sectors,
const char *backing_file, int flags);
BlockDriverState *bdrv_new(const char *device_name);
void bdrv_delete(BlockDriverState *bs);
int bdrv_file_open(BlockDriverState **pbs, const char *filename, int flags);
int bdrv_open(BlockDriverState *bs, const char *filename, int flags);
int bdrv_open2(BlockDriverState *bs, const char *filename, int flags,
BlockDriver *drv);
void bdrv_close(BlockDriverState *bs);
int bdrv_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors);
int bdrv_write(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors);
int bdrv_pread(BlockDriverState *bs, int64_t offset,
void *buf, int count);
int bdrv_pwrite(BlockDriverState *bs, int64_t offset,
const void *buf, int count);
int bdrv_truncate(BlockDriverState *bs, int64_t offset);
int64_t bdrv_getlength(BlockDriverState *bs);
void bdrv_get_geometry(BlockDriverState *bs, int64_t *nb_sectors_ptr);
int bdrv_commit(BlockDriverState *bs);
void bdrv_set_boot_sector(BlockDriverState *bs, const uint8_t *data, int size);
/* async block I/O */
typedef struct BlockDriverAIOCB BlockDriverAIOCB;
typedef void BlockDriverCompletionFunc(void *opaque, int ret);
BlockDriverAIOCB *bdrv_aio_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors,
BlockDriverCompletionFunc *cb, void *opaque);
BlockDriverAIOCB *bdrv_aio_write(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors,
BlockDriverCompletionFunc *cb, void *opaque);
void bdrv_aio_cancel(BlockDriverAIOCB *acb);
void qemu_aio_init(void);
void qemu_aio_poll(void);
void qemu_aio_flush(void);
void qemu_aio_wait_start(void);
void qemu_aio_wait(void);
void qemu_aio_wait_end(void);
int qemu_key_check(BlockDriverState *bs, const char *name);
/* Ensure contents are flushed to disk. */
void bdrv_flush(BlockDriverState *bs);
#define BDRV_TYPE_HD 0
#define BDRV_TYPE_CDROM 1
#define BDRV_TYPE_FLOPPY 2
#define BIOS_ATA_TRANSLATION_AUTO 0
#define BIOS_ATA_TRANSLATION_NONE 1
#define BIOS_ATA_TRANSLATION_LBA 2
#define BIOS_ATA_TRANSLATION_LARGE 3
#define BIOS_ATA_TRANSLATION_RECHS 4
void bdrv_set_geometry_hint(BlockDriverState *bs,
int cyls, int heads, int secs);
void bdrv_set_type_hint(BlockDriverState *bs, int type);
void bdrv_set_translation_hint(BlockDriverState *bs, int translation);
void bdrv_get_geometry_hint(BlockDriverState *bs,
int *pcyls, int *pheads, int *psecs);
int bdrv_get_type_hint(BlockDriverState *bs);
int bdrv_get_translation_hint(BlockDriverState *bs);
int bdrv_is_removable(BlockDriverState *bs);
int bdrv_is_read_only(BlockDriverState *bs);
int bdrv_is_inserted(BlockDriverState *bs);
int bdrv_media_changed(BlockDriverState *bs);
int bdrv_is_locked(BlockDriverState *bs);
void bdrv_set_locked(BlockDriverState *bs, int locked);
void bdrv_eject(BlockDriverState *bs, int eject_flag);
void bdrv_set_change_cb(BlockDriverState *bs,
void (*change_cb)(void *opaque), void *opaque);
void bdrv_get_format(BlockDriverState *bs, char *buf, int buf_size);
void bdrv_info(void);
BlockDriverState *bdrv_find(const char *name);
void bdrv_iterate(void (*it)(void *opaque, const char *name), void *opaque);
int bdrv_is_encrypted(BlockDriverState *bs);
int bdrv_set_key(BlockDriverState *bs, const char *key);
void bdrv_iterate_format(void (*it)(void *opaque, const char *name),
void *opaque);
const char *bdrv_get_device_name(BlockDriverState *bs);
int bdrv_write_compressed(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors);
int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi);
void bdrv_get_backing_filename(BlockDriverState *bs,
char *filename, int filename_size);
int bdrv_snapshot_create(BlockDriverState *bs,
QEMUSnapshotInfo *sn_info);
int bdrv_snapshot_goto(BlockDriverState *bs,
const char *snapshot_id);
int bdrv_snapshot_delete(BlockDriverState *bs, const char *snapshot_id);
int bdrv_snapshot_list(BlockDriverState *bs,
QEMUSnapshotInfo **psn_info);
char *bdrv_snapshot_dump(char *buf, int buf_size, QEMUSnapshotInfo *sn);
char *get_human_readable_size(char *buf, int buf_size, int64_t size);
int path_is_absolute(const char *path);
void path_combine(char *dest, int dest_size,
const char *base_path,
const char *filename);
/* monitor.c */ /* monitor.c */
void monitor_init(CharDriverState *hd, int show_banner); void monitor_init(CharDriverState *hd, int show_banner);
void term_puts(const char *str); void term_puts(const char *str);
@ -804,7 +579,7 @@ void do_info_vnc(void);
/* x_keymap.c */ /* x_keymap.c */
extern uint8_t _translate_keycode(const int key); extern uint8_t _translate_keycode(const int key);
#ifndef QEMU_TOOL #ifdef NEED_CPU_H
typedef void QEMUMachineInitFunc(int ram_size, int vga_ram_size, typedef void QEMUMachineInitFunc(int ram_size, int vga_ram_size,
const char *boot_device, const char *boot_device,
@ -1759,5 +1534,5 @@ extern QEMUMachine dummy_m68k_machine;
#include "gdbstub.h" #include "gdbstub.h"
#endif /* defined(QEMU_TOOL) */ #endif /* defined(NEED_CPU_H) */
#endif /* VL_H */ #endif /* VL_H */