[mirror_qemu.git] / qemu-common.h

/* Common header file that is included by all of qemu.  */
#ifndef QEMU_COMMON_H
#define QEMU_COMMON_H

#include "compiler.h"
#include "config-host.h"

#if defined(__arm__) || defined(__sparc__) || defined(__mips__) || defined(__hppa__) || defined(__ia64__)
#define WORDS_ALIGNED
#endif

#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)

typedef struct QEMUTimer QEMUTimer;
typedef struct QEMUFile QEMUFile;
typedef struct QEMUBH QEMUBH;
typedef struct DeviceState DeviceState;

struct Monitor;
typedef struct Monitor Monitor;

/* we put basic includes here to avoid repeating them in device drivers */
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <stdbool.h>
#include <string.h>
#include <strings.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>
#include <sys/time.h>
#include <assert.h>
#include <signal.h>
#include <glib.h>

#ifdef _WIN32
#include "qemu-os-win32.h"
#endif

#ifdef CONFIG_POSIX
#include "qemu-os-posix.h"
#endif

#ifndef O_LARGEFILE
#define O_LARGEFILE 0
#endif
#ifndef O_BINARY
#define O_BINARY 0
#endif
#ifndef MAP_ANONYMOUS
#define MAP_ANONYMOUS MAP_ANON
#endif
#ifndef ENOMEDIUM
#define ENOMEDIUM ENODEV
#endif
#if !defined(ENOTSUP)
#define ENOTSUP 4096
#endif
#ifndef TIME_MAX
#define TIME_MAX LONG_MAX
#endif

#ifndef CONFIG_IOVEC
#define CONFIG_IOVEC
struct iovec {
    void *iov_base;
    size_t iov_len;
};
/*
 * Use the same value as Linux for now.
 */
#define IOV_MAX		1024
#else
#include <sys/uio.h>
#endif

typedef int (*fprintf_function)(FILE *f, const char *fmt, ...)
    GCC_FMT_ATTR(2, 3);

#ifdef _WIN32
#define fsync _commit
#define lseek _lseeki64
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;
}
#endif

/* FIXME: Remove NEED_CPU_H.  */
#ifndef NEED_CPU_H

#include "osdep.h"
#include "bswap.h"

#else

#include "cpu.h"

#endif /* !defined(NEED_CPU_H) */

/* main function, renamed */
#if defined(CONFIG_COCOA)
int qemu_main(int argc, char **argv, char **envp);
#endif

/* bottom halves */
typedef void QEMUBHFunc(void *opaque);

QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque);
void qemu_bh_schedule(QEMUBH *bh);
/* Bottom halfs that are scheduled from a bottom half handler are instantly
 * invoked.  This can create an infinite loop if a bottom half handler
 * schedules itself.  qemu_bh_schedule_idle() avoids this infinite loop by
 * ensuring that the bottom half isn't executed until the next main loop
 * iteration.
 */
void qemu_bh_schedule_idle(QEMUBH *bh);
void qemu_bh_cancel(QEMUBH *bh);
void qemu_bh_delete(QEMUBH *bh);
int qemu_bh_poll(void);
void qemu_bh_update_timeout(int *timeout);

void qemu_get_timedate(struct tm *tm, int offset);
int qemu_timedate_diff(struct tm *tm);

/* 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);
int qemu_strnlen(const char *s, int max_len);
time_t mktimegm(struct tm *tm);
int qemu_fls(int i);
int qemu_fdatasync(int fd);
int fcntl_setfl(int fd, int flag);

/*
 * strtosz() suffixes used to specify the default treatment of an
 * argument passed to strtosz() without an explicit suffix.
 * These should be defined using upper case characters in the range
 * A-Z, as strtosz() will use qemu_toupper() on the given argument
 * prior to comparison.
 */
#define STRTOSZ_DEFSUFFIX_TB	'T'
#define STRTOSZ_DEFSUFFIX_GB	'G'
#define STRTOSZ_DEFSUFFIX_MB	'M'
#define STRTOSZ_DEFSUFFIX_KB	'K'
#define STRTOSZ_DEFSUFFIX_B	'B'
int64_t strtosz(const char *nptr, char **end);
int64_t strtosz_suffix(const char *nptr, char **end, const char default_suffix);
int64_t strtosz_suffix_unit(const char *nptr, char **end,
                            const char default_suffix, int64_t unit);

/* path.c */
void init_paths(const char *prefix);
const char *path(const char *pathname);

#define qemu_isalnum(c)		isalnum((unsigned char)(c))
#define qemu_isalpha(c)		isalpha((unsigned char)(c))
#define qemu_iscntrl(c)		iscntrl((unsigned char)(c))
#define qemu_isdigit(c)		isdigit((unsigned char)(c))
#define qemu_isgraph(c)		isgraph((unsigned char)(c))
#define qemu_islower(c)		islower((unsigned char)(c))
#define qemu_isprint(c)		isprint((unsigned char)(c))
#define qemu_ispunct(c)		ispunct((unsigned char)(c))
#define qemu_isspace(c)		isspace((unsigned char)(c))
#define qemu_isupper(c)		isupper((unsigned char)(c))
#define qemu_isxdigit(c)	isxdigit((unsigned char)(c))
#define qemu_tolower(c)		tolower((unsigned char)(c))
#define qemu_toupper(c)		toupper((unsigned char)(c))
#define qemu_isascii(c)		isascii((unsigned char)(c))
#define qemu_toascii(c)		toascii((unsigned char)(c))

void *qemu_oom_check(void *ptr);

void qemu_mutex_lock_iothread(void);
void qemu_mutex_unlock_iothread(void);

int qemu_open(const char *name, int flags, ...);
ssize_t qemu_write_full(int fd, const void *buf, size_t count)
    QEMU_WARN_UNUSED_RESULT;
void qemu_set_cloexec(int fd);

#ifndef _WIN32
int qemu_add_child_watch(pid_t pid);
int qemu_eventfd(int pipefd[2]);
int qemu_pipe(int pipefd[2]);
#endif

#ifdef _WIN32
#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, (void *)buf, len, flags)
#else
#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, buf, len, flags)
#endif

/* Error handling.  */

void QEMU_NORETURN hw_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2);

/* IO callbacks.  */
typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size);
typedef int IOCanReadHandler(void *opaque);
typedef void IOHandler(void *opaque);

void qemu_iohandler_fill(int *pnfds, fd_set *readfds, fd_set *writefds, fd_set *xfds);
void qemu_iohandler_poll(fd_set *readfds, fd_set *writefds, fd_set *xfds, int rc);

struct ParallelIOArg {
    void *buffer;
    int count;
};

typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size);

/* A load of opaque types so that device init declarations don't have to
   pull in all the real definitions.  */
typedef struct NICInfo NICInfo;
typedef struct HCIInfo HCIInfo;
typedef struct AudioState AudioState;
typedef struct BlockDriverState BlockDriverState;
typedef struct DriveInfo DriveInfo;
typedef struct DisplayState DisplayState;
typedef struct DisplayChangeListener DisplayChangeListener;
typedef struct DisplaySurface DisplaySurface;
typedef struct DisplayAllocator DisplayAllocator;
typedef struct PixelFormat PixelFormat;
typedef struct TextConsole TextConsole;
typedef TextConsole QEMUConsole;
typedef struct CharDriverState CharDriverState;
typedef struct MACAddr MACAddr;
typedef struct VLANState VLANState;
typedef struct VLANClientState VLANClientState;
typedef struct i2c_bus i2c_bus;
typedef struct i2c_slave i2c_slave;
typedef struct SMBusDevice SMBusDevice;
typedef struct PCIHostState PCIHostState;
typedef struct PCIExpressHost PCIExpressHost;
typedef struct PCIBus PCIBus;
typedef struct PCIDevice PCIDevice;
typedef struct PCIExpressDevice PCIExpressDevice;
typedef struct PCIBridge PCIBridge;
typedef struct PCIEAERMsg PCIEAERMsg;
typedef struct PCIEAERLog PCIEAERLog;
typedef struct PCIEAERErr PCIEAERErr;
typedef struct PCIEPort PCIEPort;
typedef struct PCIESlot PCIESlot;
typedef struct SerialState SerialState;
typedef struct IRQState *qemu_irq;
typedef struct PCMCIACardState PCMCIACardState;
typedef struct MouseTransformInfo MouseTransformInfo;
typedef struct uWireSlave uWireSlave;
typedef struct I2SCodec I2SCodec;
typedef struct SSIBus SSIBus;
typedef struct EventNotifier EventNotifier;
typedef struct VirtIODevice VirtIODevice;
typedef struct QEMUSGList QEMUSGList;

typedef uint64_t pcibus_t;

void tcg_exec_init(unsigned long tb_size);
bool tcg_enabled(void);

void cpu_exec_init_all(void);

/* CPU save/load.  */
void cpu_save(QEMUFile *f, void *opaque);
int cpu_load(QEMUFile *f, void *opaque, int version_id);

/* Force QEMU to stop what it's doing and service IO */
void qemu_service_io(void);

/* Force QEMU to process pending events */
void qemu_notify_event(void);

/* Unblock cpu */
void qemu_cpu_kick(void *env);
void qemu_cpu_kick_self(void);
int qemu_cpu_is_self(void *env);
bool all_cpu_threads_idle(void);

/* work queue */
struct qemu_work_item {
    struct qemu_work_item *next;
    void (*func)(void *data);
    void *data;
    int done;
};

#ifdef CONFIG_USER_ONLY
#define qemu_init_vcpu(env) do { } while (0)
#else
void qemu_init_vcpu(void *env);
#endif

typedef struct QEMUIOVector {
    struct iovec *iov;
    int niov;
    int nalloc;
    size_t size;
} QEMUIOVector;

void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint);
void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov);
void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len);
void qemu_iovec_copy(QEMUIOVector *dst, QEMUIOVector *src, uint64_t skip,
    size_t size);
void qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t size);
void qemu_iovec_destroy(QEMUIOVector *qiov);
void qemu_iovec_reset(QEMUIOVector *qiov);
void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf);
void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count);
void qemu_iovec_memset(QEMUIOVector *qiov, int c, size_t count);
void qemu_iovec_memset_skip(QEMUIOVector *qiov, int c, size_t count,
                            size_t skip);

void qemu_progress_init(int enabled, float min_skip);
void qemu_progress_end(void);
void qemu_progress_print(float delta, int max);

#define QEMU_FILE_TYPE_BIOS   0
#define QEMU_FILE_TYPE_KEYMAP 1
char *qemu_find_file(int type, const char *name);

/* OS specific functions */
void os_setup_early_signal_handling(void);
char *os_find_datadir(const char *argv0);
void os_parse_cmd_args(int index, const char *optarg);
void os_pidfile_error(void);

/* Convert a byte between binary and BCD.  */
static inline uint8_t to_bcd(uint8_t val)
{
    return ((val / 10) << 4) | (val % 10);
}

static inline uint8_t from_bcd(uint8_t val)
{
    return ((val >> 4) * 10) + (val & 0x0f);
}

/* compute with 96 bit intermediate result: (a*b)/c */
static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
{
    union {
        uint64_t ll;
        struct {
#ifdef HOST_WORDS_BIGENDIAN
            uint32_t high, low;
#else
            uint32_t low, high;
#endif
        } l;
    } u, res;
    uint64_t rl, rh;

    u.ll = a;
    rl = (uint64_t)u.l.low * (uint64_t)b;
    rh = (uint64_t)u.l.high * (uint64_t)b;
    rh += (rl >> 32);
    res.l.high = rh / c;
    res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
    return res.ll;
}

#include "module.h"

#endif
Commit	Line	Data
faf07963 PB	1	/* Common header file that is included by all of qemu. */
	2	#ifndef QEMU_COMMON_H
	3	#define QEMU_COMMON_H
	4
5c026320	5	#include "compiler.h"
beb6f0de KW	6	#include "config-host.h"
beb6f0de KW	7
332ae28d PB	8	#if defined(__arm__) \|\| defined(__sparc__) \|\| defined(__mips__) \|\| defined(__hppa__) \|\| defined(__ia64__)
	9	#define WORDS_ALIGNED
	10	#endif
	11
082b5557	12	#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
24ebf5f3	13
29e922b6 BS	14	typedef struct QEMUTimer QEMUTimer;
	15	typedef struct QEMUFile QEMUFile;
	16	typedef struct QEMUBH QEMUBH;
92a16d7a	17	typedef struct DeviceState DeviceState;
29e922b6	18
316378e4 JK	19	struct Monitor;
	20	typedef struct Monitor Monitor;
	21
faf07963 PB	22	/* we put basic includes here to avoid repeating them in device drivers */
	23	#include <stdlib.h>
	24	#include <stdio.h>
	25	#include <stdarg.h>
11165820	26	#include <stdbool.h>
faf07963	27	#include <string.h>
c8906845	28	#include <strings.h>
faf07963 PB	29	#include <inttypes.h>
	30	#include <limits.h>
	31	#include <time.h>
	32	#include <ctype.h>
	33	#include <errno.h>
	34	#include <unistd.h>
	35	#include <fcntl.h>
	36	#include <sys/stat.h>
dcfd0865	37	#include <sys/time.h>
55616505	38	#include <assert.h>
86f69a92	39	#include <signal.h>
14015304	40	#include <glib.h>
faf07963	41
082b5557 BS	42	#ifdef _WIN32
	43	#include "qemu-os-win32.h"
	44	#endif
	45
	46	#ifdef CONFIG_POSIX
	47	#include "qemu-os-posix.h"
	48	#endif
	49
faf07963 PB	50	#ifndef O_LARGEFILE
	51	#define O_LARGEFILE 0
	52	#endif
	53	#ifndef O_BINARY
	54	#define O_BINARY 0
	55	#endif
0e74e66b JQ	56	#ifndef MAP_ANONYMOUS
	57	#define MAP_ANONYMOUS MAP_ANON
	58	#endif
faf07963 PB	59	#ifndef ENOMEDIUM
	60	#define ENOMEDIUM ENODEV
	61	#endif
4c955388	62	#if !defined(ENOTSUP)
2880bc32 JQ	63	#define ENOTSUP 4096
2880bc32 JQ	64	#endif
3c9405a0 GH	65	#ifndef TIME_MAX
	66	#define TIME_MAX LONG_MAX
	67	#endif
faf07963	68
6114fdb0 JQ	69	#ifndef CONFIG_IOVEC
6114fdb0 JQ	70	#define CONFIG_IOVEC
bf9298b9 AL	71	struct iovec {
	72	void *iov_base;
	73	size_t iov_len;
	74	};
e2a305fb CH	75	/*
	76	* Use the same value as Linux for now.
	77	*/
	78	#define IOV_MAX 1024
331dadde BS	79	#else
331dadde BS	80	#include <sys/uio.h>
bf9298b9 AL	81	#endif
bf9298b9 AL	82
f868445a SW	83	typedef int (fprintf_function)(FILE f, const char *fmt, ...)
	84	GCC_FMT_ATTR(2, 3);
	85
faf07963	86	#ifdef _WIN32
faf07963 PB	87	#define fsync _commit
faf07963 PB	88	#define lseek _lseeki64
64b85a8f	89	int qemu_ftruncate64(int, int64_t);
faf07963 PB	90	#define ftruncate qemu_ftruncate64
faf07963 PB	91
faf07963 PB	92	static inline char realpath(const char path, char *resolved_path)
	93	{
	94	_fullpath(resolved_path, path, _MAX_PATH);
	95	return resolved_path;
	96	}
faf07963 PB	97	#endif
	98
	99	/* FIXME: Remove NEED_CPU_H. */
	100	#ifndef NEED_CPU_H
	101
faf07963 PB	102	#include "osdep.h"
	103	#include "bswap.h"
	104
	105	#else
	106
	107	#include "cpu.h"
	108
	109	#endif /* !defined(NEED_CPU_H) */
	110
3bbbee18 AF	111	/* main function, renamed */
	112	#if defined(CONFIG_COCOA)
	113	int qemu_main(int argc, char argv, char envp);
	114	#endif
	115
faf07963	116	/* bottom halves */
faf07963 PB	117	typedef void QEMUBHFunc(void *opaque);
	118
	119	QEMUBH qemu_bh_new(QEMUBHFunc cb, void *opaque);
	120	void qemu_bh_schedule(QEMUBH *bh);
80d3580b AL	121	/* Bottom halfs that are scheduled from a bottom half handler are instantly
	122	* invoked. This can create an infinite loop if a bottom half handler
	123	* schedules itself. qemu_bh_schedule_idle() avoids this infinite loop by
	124	* ensuring that the bottom half isn't executed until the next main loop
	125	* iteration.
	126	*/
1b435b10	127	void qemu_bh_schedule_idle(QEMUBH *bh);
faf07963 PB	128	void qemu_bh_cancel(QEMUBH *bh);
	129	void qemu_bh_delete(QEMUBH *bh);
	130	int qemu_bh_poll(void);
4f999d05	131	void qemu_bh_update_timeout(int *timeout);
faf07963	132
f6503059 AZ	133	void qemu_get_timedate(struct tm *tm, int offset);
	134	int qemu_timedate_diff(struct tm *tm);
	135
faf07963 PB	136	/* cutils.c */
	137	void pstrcpy(char buf, int buf_size, const char str);
	138	char pstrcat(char buf, int buf_size, const char *s);
	139	int strstart(const char str, const char val, const char **ptr);
	140	int stristart(const char str, const char val, const char **ptr);
d43277c5	141	int qemu_strnlen(const char *s, int max_len);
faf07963	142	time_t mktimegm(struct tm *tm);
ad46db9a	143	int qemu_fls(int i);
6f1953c4	144	int qemu_fdatasync(int fd);
db1a4972	145	int fcntl_setfl(int fd, int flag);
d8427002	146
d7142456 JS	147	/*
	148	* strtosz() suffixes used to specify the default treatment of an
	149	* argument passed to strtosz() without an explicit suffix.
	150	* These should be defined using upper case characters in the range
	151	* A-Z, as strtosz() will use qemu_toupper() on the given argument
	152	* prior to comparison.
	153	*/
d8427002 JS	154	#define STRTOSZ_DEFSUFFIX_TB 'T'
	155	#define STRTOSZ_DEFSUFFIX_GB 'G'
	156	#define STRTOSZ_DEFSUFFIX_MB 'M'
	157	#define STRTOSZ_DEFSUFFIX_KB 'K'
	158	#define STRTOSZ_DEFSUFFIX_B 'B'
70b4f4bb JS	159	int64_t strtosz(const char nptr, char *end);
70b4f4bb JS	160	int64_t strtosz_suffix(const char nptr, char *end, const char default_suffix);
a732e1ba JR	161	int64_t strtosz_suffix_unit(const char nptr, char *end,
a732e1ba JR	162	const char default_suffix, int64_t unit);
faf07963	163
37022086 BS	164	/* path.c */
	165	void init_paths(const char *prefix);
	166	const char path(const char pathname);
	167
cd390083 BS	168	#define qemu_isalnum(c) isalnum((unsigned char)(c))
	169	#define qemu_isalpha(c) isalpha((unsigned char)(c))
	170	#define qemu_iscntrl(c) iscntrl((unsigned char)(c))
	171	#define qemu_isdigit(c) isdigit((unsigned char)(c))
	172	#define qemu_isgraph(c) isgraph((unsigned char)(c))
	173	#define qemu_islower(c) islower((unsigned char)(c))
	174	#define qemu_isprint(c) isprint((unsigned char)(c))
	175	#define qemu_ispunct(c) ispunct((unsigned char)(c))
	176	#define qemu_isspace(c) isspace((unsigned char)(c))
	177	#define qemu_isupper(c) isupper((unsigned char)(c))
	178	#define qemu_isxdigit(c) isxdigit((unsigned char)(c))
	179	#define qemu_tolower(c) tolower((unsigned char)(c))
	180	#define qemu_toupper(c) toupper((unsigned char)(c))
	181	#define qemu_isascii(c) isascii((unsigned char)(c))
	182	#define qemu_toascii(c) toascii((unsigned char)(c))
	183
b152aa84	184	void qemu_oom_check(void ptr);
ca10f867	185
d549db5a GC	186	void qemu_mutex_lock_iothread(void);
	187	void qemu_mutex_unlock_iothread(void);
	188
40ff6d7e	189	int qemu_open(const char *name, int flags, ...);
7c7c0629 JQ	190	ssize_t qemu_write_full(int fd, const void *buf, size_t count)
7c7c0629 JQ	191	QEMU_WARN_UNUSED_RESULT;
40ff6d7e KW	192	void qemu_set_cloexec(int fd);
	193
	194	#ifndef _WIN32
4d54ec78	195	int qemu_add_child_watch(pid_t pid);
f3dfda61	196	int qemu_eventfd(int pipefd[2]);
40ff6d7e KW	197	int qemu_pipe(int pipefd[2]);
	198	#endif
	199
00aa0040 BS	200	#ifdef _WIN32
	201	#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, (void *)buf, len, flags)
	202	#else
	203	#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, buf, len, flags)
	204	#endif
	205
87ecb68b PB	206	/* Error handling. */
87ecb68b PB	207
e5924d89	208	void QEMU_NORETURN hw_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
87ecb68b PB	209
	210	/* IO callbacks. */
	211	typedef void IOReadHandler(void opaque, const uint8_t buf, int size);
7b27a769	212	typedef int IOCanReadHandler(void *opaque);
87ecb68b PB	213	typedef void IOHandler(void *opaque);
87ecb68b PB	214
02981419 PB	215	void qemu_iohandler_fill(int pnfds, fd_set readfds, fd_set writefds, fd_set xfds);
	216	void qemu_iohandler_poll(fd_set readfds, fd_set writefds, fd_set *xfds, int rc);
	217
87ecb68b PB	218	struct ParallelIOArg {
	219	void *buffer;
	220	int count;
	221	};
	222
	223	typedef int (DMA_transfer_handler) (void opaque, int nchan, int pos, int size);
	224
	225	/* A load of opaque types so that device init declarations don't have to
	226	pull in all the real definitions. */
	227	typedef struct NICInfo NICInfo;
1ae26a18	228	typedef struct HCIInfo HCIInfo;
87ecb68b PB	229	typedef struct AudioState AudioState;
87ecb68b PB	230	typedef struct BlockDriverState BlockDriverState;
2446333c	231	typedef struct DriveInfo DriveInfo;
87ecb68b	232	typedef struct DisplayState DisplayState;
7d957bd8 AL	233	typedef struct DisplayChangeListener DisplayChangeListener;
7d957bd8 AL	234	typedef struct DisplaySurface DisplaySurface;
7b5d76da	235	typedef struct DisplayAllocator DisplayAllocator;
7d957bd8	236	typedef struct PixelFormat PixelFormat;
87ecb68b	237	typedef struct TextConsole TextConsole;
c60e08d9	238	typedef TextConsole QEMUConsole;
87ecb68b	239	typedef struct CharDriverState CharDriverState;
76d32cba	240	typedef struct MACAddr MACAddr;
87ecb68b	241	typedef struct VLANState VLANState;
f7105843	242	typedef struct VLANClientState VLANClientState;
87ecb68b PB	243	typedef struct i2c_bus i2c_bus;
	244	typedef struct i2c_slave i2c_slave;
	245	typedef struct SMBusDevice SMBusDevice;
fb47a2e9 IY	246	typedef struct PCIHostState PCIHostState;
fb47a2e9 IY	247	typedef struct PCIExpressHost PCIExpressHost;
87ecb68b PB	248	typedef struct PCIBus PCIBus;
87ecb68b PB	249	typedef struct PCIDevice PCIDevice;
0428527c	250	typedef struct PCIExpressDevice PCIExpressDevice;
68f79994	251	typedef struct PCIBridge PCIBridge;
34e65944 IY	252	typedef struct PCIEAERMsg PCIEAERMsg;
	253	typedef struct PCIEAERLog PCIEAERLog;
	254	typedef struct PCIEAERErr PCIEAERErr;
bc20ba98 IY	255	typedef struct PCIEPort PCIEPort;
bc20ba98 IY	256	typedef struct PCIESlot PCIESlot;
87ecb68b PB	257	typedef struct SerialState SerialState;
87ecb68b PB	258	typedef struct IRQState *qemu_irq;
bc24a225 PB	259	typedef struct PCMCIACardState PCMCIACardState;
	260	typedef struct MouseTransformInfo MouseTransformInfo;
	261	typedef struct uWireSlave uWireSlave;
	262	typedef struct I2SCodec I2SCodec;
90d37239	263	typedef struct SSIBus SSIBus;
2292b339	264	typedef struct EventNotifier EventNotifier;
2be24aaa	265	typedef struct VirtIODevice VirtIODevice;
d35bf9ad	266	typedef struct QEMUSGList QEMUSGList;
87ecb68b	267
186993ee MT	268	typedef uint64_t pcibus_t;
186993ee MT	269
d5ab9713 JK	270	void tcg_exec_init(unsigned long tb_size);
	271	bool tcg_enabled(void);
	272
	273	void cpu_exec_init_all(void);
d2053c3c	274
b3c7724c PB	275	/* CPU save/load. */
	276	void cpu_save(QEMUFile f, void opaque);
	277	int cpu_load(QEMUFile f, void opaque, int version_id);
	278
9e472e10 AL	279	/* Force QEMU to stop what it's doing and service IO */
	280	void qemu_service_io(void);
	281
d9f75a4e AL	282	/* Force QEMU to process pending events */
	283	void qemu_notify_event(void);
	284
8edac960 AL	285	/* Unblock cpu */
8edac960 AL	286	void qemu_cpu_kick(void *env);
46d62fac	287	void qemu_cpu_kick_self(void);
b7680cb6	288	int qemu_cpu_is_self(void *env);
ab33fcda	289	bool all_cpu_threads_idle(void);
8edac960	290
e82bcec2 MT	291	/* work queue */
	292	struct qemu_work_item {
	293	struct qemu_work_item *next;
	294	void (func)(void data);
	295	void *data;
	296	int done;
	297	};
	298
0bf46a40 AL	299	#ifdef CONFIG_USER_ONLY
	300	#define qemu_init_vcpu(env) do { } while (0)
	301	#else
	302	void qemu_init_vcpu(void *env);
	303	#endif
	304
44e3ee8a AL	305	typedef struct QEMUIOVector {
	306	struct iovec *iov;
	307	int niov;
	308	int nalloc;
249aa745	309	size_t size;
44e3ee8a AL	310	} QEMUIOVector;
	311
	312	void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint);
522584a5	313	void qemu_iovec_init_external(QEMUIOVector qiov, struct iovec iov, int niov);
44e3ee8a	314	void qemu_iovec_add(QEMUIOVector qiov, void base, size_t len);
b8a83a4f KW	315	void qemu_iovec_copy(QEMUIOVector dst, QEMUIOVector src, uint64_t skip,
b8a83a4f KW	316	size_t size);
40b4f539	317	void qemu_iovec_concat(QEMUIOVector dst, QEMUIOVector src, size_t size);
44e3ee8a	318	void qemu_iovec_destroy(QEMUIOVector *qiov);
be959463	319	void qemu_iovec_reset(QEMUIOVector *qiov);
44e3ee8a	320	void qemu_iovec_to_buffer(QEMUIOVector qiov, void buf);
249aa745	321	void qemu_iovec_from_buffer(QEMUIOVector qiov, const void buf, size_t count);
b8a83a4f	322	void qemu_iovec_memset(QEMUIOVector *qiov, int c, size_t count);
e0d9c6f9 CT	323	void qemu_iovec_memset_skip(QEMUIOVector *qiov, int c, size_t count,
e0d9c6f9 CT	324	size_t skip);
44e3ee8a	325
6b837bc4 JS	326	void qemu_progress_init(int enabled, float min_skip);
6b837bc4 JS	327	void qemu_progress_end(void);
3bfe4dbf	328	void qemu_progress_print(float delta, int max);
6b837bc4	329
082b5557 BS	330	#define QEMU_FILE_TYPE_BIOS 0
	331	#define QEMU_FILE_TYPE_KEYMAP 1
	332	char qemu_find_file(int type, const char name);
	333
	334	/* OS specific functions */
	335	void os_setup_early_signal_handling(void);
	336	char os_find_datadir(const char argv0);
	337	void os_parse_cmd_args(int index, const char *optarg);
	338	void os_pidfile_error(void);
	339
abd0c6bd PB	340	/* Convert a byte between binary and BCD. */
	341	static inline uint8_t to_bcd(uint8_t val)
	342	{
	343	return ((val / 10) << 4) \| (val % 10);
	344	}
	345
	346	static inline uint8_t from_bcd(uint8_t val)
	347	{
	348	return ((val >> 4) * 10) + (val & 0x0f);
	349	}
	350
338b922e	351	/* compute with 96 bit intermediate result: (ab)/c /
	352	static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
	353	{
	354	union {
	355	uint64_t ll;
	356	struct {
	357	#ifdef HOST_WORDS_BIGENDIAN
	358	uint32_t high, low;
	359	#else
	360	uint32_t low, high;
	361	#endif
	362	} l;
	363	} u, res;
	364	uint64_t rl, rh;
	365
	366	u.ll = a;
	367	rl = (uint64_t)u.l.low * (uint64_t)b;
	368	rh = (uint64_t)u.l.high * (uint64_t)b;
	369	rh += (rl >> 32);
	370	res.l.high = rh / c;
	371	res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
	372	return res.ll;
	373	}
	374
0bfe3ca5 AL	375	#include "module.h"
0bfe3ca5 AL	376
faf07963	377	#endif