[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 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

/* icount */
void configure_icount(const char *option);
extern int use_icount;

/* 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

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);
int qemu_parse_fd(const char *param);

/*
 * 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);

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;
ssize_t qemu_send_full(int fd, const void *buf, size_t count, int flags)
    QEMU_WARN_UNUSED_RESULT;
ssize_t qemu_recv_full(int fd, void *buf, size_t count, int flags)
    QEMU_WARN_UNUSED_RESULT;
void qemu_set_cloexec(int fd);

#ifndef _WIN32
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

int qemu_recvv(int sockfd, struct iovec *iov, int len, int iov_offset);
int qemu_sendv(int sockfd, struct iovec *iov, int len, int iov_offset);

/* Error handling.  */

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

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 ISABus ISABus;
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);

/* 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

/**
 * Sends an iovec (or optionally a part of it) down a socket, yielding
 * when the socket is full.
 */
int qemu_co_sendv(int sockfd, struct iovec *iov,
                  int len, int iov_offset);

/**
 * Receives data into an iovec (or optionally into a part of it) from
 * a socket, yielding when there is no data in the socket.
 */
int qemu_co_recvv(int sockfd, struct iovec *iov,
                  int len, int iov_offset);


/**
 * Sends a buffer down a socket, yielding when the socket is full.
 */
int qemu_co_send(int sockfd, void *buf, int len);

/**
 * Receives data into a buffer from a socket, yielding when there
 * is no data in the socket.
 */
int qemu_co_recv(int sockfd, void *buf, int len);


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;
}

/* Round number down to multiple */
#define QEMU_ALIGN_DOWN(n, m) ((n) / (m) * (m))

/* Round number up to multiple */
#define QEMU_ALIGN_UP(n, m) QEMU_ALIGN_DOWN((n) + (m) - 1, (m))

#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;
29e922b6 BS	15	typedef struct QEMUFile QEMUFile;
92a16d7a	16	typedef struct DeviceState DeviceState;
29e922b6	17
316378e4 JK	18	struct Monitor;
	19	typedef struct Monitor Monitor;
	20
faf07963 PB	21	/* we put basic includes here to avoid repeating them in device drivers */
	22	#include <stdlib.h>
	23	#include <stdio.h>
	24	#include <stdarg.h>
11165820	25	#include <stdbool.h>
faf07963	26	#include <string.h>
c8906845	27	#include <strings.h>
faf07963 PB	28	#include <inttypes.h>
	29	#include <limits.h>
	30	#include <time.h>
	31	#include <ctype.h>
	32	#include <errno.h>
	33	#include <unistd.h>
	34	#include <fcntl.h>
	35	#include <sys/stat.h>
dcfd0865	36	#include <sys/time.h>
55616505	37	#include <assert.h>
86f69a92	38	#include <signal.h>
14015304	39	#include <glib.h>
faf07963	40
082b5557 BS	41	#ifdef _WIN32
	42	#include "qemu-os-win32.h"
	43	#endif
	44
	45	#ifdef CONFIG_POSIX
	46	#include "qemu-os-posix.h"
	47	#endif
	48
faf07963 PB	49	#ifndef O_LARGEFILE
	50	#define O_LARGEFILE 0
	51	#endif
	52	#ifndef O_BINARY
	53	#define O_BINARY 0
	54	#endif
0e74e66b JQ	55	#ifndef MAP_ANONYMOUS
	56	#define MAP_ANONYMOUS MAP_ANON
	57	#endif
faf07963 PB	58	#ifndef ENOMEDIUM
	59	#define ENOMEDIUM ENODEV
	60	#endif
4c955388	61	#if !defined(ENOTSUP)
2880bc32 JQ	62	#define ENOTSUP 4096
2880bc32 JQ	63	#endif
3c9405a0 GH	64	#ifndef TIME_MAX
	65	#define TIME_MAX LONG_MAX
	66	#endif
faf07963	67
6114fdb0 JQ	68	#ifndef CONFIG_IOVEC
6114fdb0 JQ	69	#define CONFIG_IOVEC
bf9298b9 AL	70	struct iovec {
	71	void *iov_base;
	72	size_t iov_len;
	73	};
e2a305fb CH	74	/*
	75	* Use the same value as Linux for now.
	76	*/
	77	#define IOV_MAX 1024
331dadde BS	78	#else
331dadde BS	79	#include <sys/uio.h>
bf9298b9 AL	80	#endif
bf9298b9 AL	81
f868445a SW	82	typedef int (fprintf_function)(FILE f, const char *fmt, ...)
	83	GCC_FMT_ATTR(2, 3);
	84
faf07963	85	#ifdef _WIN32
faf07963 PB	86	#define fsync _commit
faf07963 PB	87	#define lseek _lseeki64
64b85a8f	88	int qemu_ftruncate64(int, int64_t);
faf07963 PB	89	#define ftruncate qemu_ftruncate64
faf07963 PB	90
faf07963 PB	91	static inline char realpath(const char path, char *resolved_path)
	92	{
	93	_fullpath(resolved_path, path, _MAX_PATH);
	94	return resolved_path;
	95	}
faf07963 PB	96	#endif
faf07963 PB	97
946fb27c PB	98	/* icount */
	99	void configure_icount(const char *option);
	100	extern int use_icount;
	101
faf07963 PB	102	/* FIXME: Remove NEED_CPU_H. */
	103	#ifndef NEED_CPU_H
	104
faf07963 PB	105	#include "osdep.h"
	106	#include "bswap.h"
	107
	108	#else
	109
	110	#include "cpu.h"
	111
	112	#endif /* !defined(NEED_CPU_H) */
	113
3bbbee18 AF	114	/* main function, renamed */
	115	#if defined(CONFIG_COCOA)
	116	int qemu_main(int argc, char argv, char envp);
	117	#endif
	118
f6503059 AZ	119	void qemu_get_timedate(struct tm *tm, int offset);
	120	int qemu_timedate_diff(struct tm *tm);
	121
faf07963 PB	122	/* cutils.c */
	123	void pstrcpy(char buf, int buf_size, const char str);
	124	char pstrcat(char buf, int buf_size, const char *s);
	125	int strstart(const char str, const char val, const char **ptr);
	126	int stristart(const char str, const char val, const char **ptr);
d43277c5	127	int qemu_strnlen(const char *s, int max_len);
faf07963	128	time_t mktimegm(struct tm *tm);
ad46db9a	129	int qemu_fls(int i);
6f1953c4	130	int qemu_fdatasync(int fd);
db1a4972	131	int fcntl_setfl(int fd, int flag);
443916d1	132	int qemu_parse_fd(const char *param);
d8427002	133
d7142456 JS	134	/*
	135	* strtosz() suffixes used to specify the default treatment of an
	136	* argument passed to strtosz() without an explicit suffix.
	137	* These should be defined using upper case characters in the range
	138	* A-Z, as strtosz() will use qemu_toupper() on the given argument
	139	* prior to comparison.
	140	*/
d8427002 JS	141	#define STRTOSZ_DEFSUFFIX_TB 'T'
	142	#define STRTOSZ_DEFSUFFIX_GB 'G'
	143	#define STRTOSZ_DEFSUFFIX_MB 'M'
	144	#define STRTOSZ_DEFSUFFIX_KB 'K'
	145	#define STRTOSZ_DEFSUFFIX_B 'B'
70b4f4bb JS	146	int64_t strtosz(const char nptr, char *end);
70b4f4bb JS	147	int64_t strtosz_suffix(const char nptr, char *end, const char default_suffix);
a732e1ba JR	148	int64_t strtosz_suffix_unit(const char nptr, char *end,
a732e1ba JR	149	const char default_suffix, int64_t unit);
faf07963	150
37022086 BS	151	/* path.c */
	152	void init_paths(const char *prefix);
	153	const char path(const char pathname);
	154
cd390083 BS	155	#define qemu_isalnum(c) isalnum((unsigned char)(c))
	156	#define qemu_isalpha(c) isalpha((unsigned char)(c))
	157	#define qemu_iscntrl(c) iscntrl((unsigned char)(c))
	158	#define qemu_isdigit(c) isdigit((unsigned char)(c))
	159	#define qemu_isgraph(c) isgraph((unsigned char)(c))
	160	#define qemu_islower(c) islower((unsigned char)(c))
	161	#define qemu_isprint(c) isprint((unsigned char)(c))
	162	#define qemu_ispunct(c) ispunct((unsigned char)(c))
	163	#define qemu_isspace(c) isspace((unsigned char)(c))
	164	#define qemu_isupper(c) isupper((unsigned char)(c))
	165	#define qemu_isxdigit(c) isxdigit((unsigned char)(c))
	166	#define qemu_tolower(c) tolower((unsigned char)(c))
	167	#define qemu_toupper(c) toupper((unsigned char)(c))
	168	#define qemu_isascii(c) isascii((unsigned char)(c))
	169	#define qemu_toascii(c) toascii((unsigned char)(c))
	170
b152aa84	171	void qemu_oom_check(void ptr);
ca10f867	172
40ff6d7e	173	int qemu_open(const char *name, int flags, ...);
7c7c0629 JQ	174	ssize_t qemu_write_full(int fd, const void *buf, size_t count)
7c7c0629 JQ	175	QEMU_WARN_UNUSED_RESULT;
993295fe PB	176	ssize_t qemu_send_full(int fd, const void *buf, size_t count, int flags)
993295fe PB	177	QEMU_WARN_UNUSED_RESULT;
8c5135f9	178	ssize_t qemu_recv_full(int fd, void *buf, size_t count, int flags)
993295fe	179	QEMU_WARN_UNUSED_RESULT;
40ff6d7e KW	180	void qemu_set_cloexec(int fd);
	181
	182	#ifndef _WIN32
f3dfda61	183	int qemu_eventfd(int pipefd[2]);
40ff6d7e KW	184	int qemu_pipe(int pipefd[2]);
	185	#endif
	186
00aa0040 BS	187	#ifdef _WIN32
	188	#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, (void *)buf, len, flags)
	189	#else
	190	#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, buf, len, flags)
	191	#endif
	192
8c5135f9 PB	193	int qemu_recvv(int sockfd, struct iovec *iov, int len, int iov_offset);
	194	int qemu_sendv(int sockfd, struct iovec *iov, int len, int iov_offset);
	195
87ecb68b PB	196	/* Error handling. */
87ecb68b PB	197
e5924d89	198	void QEMU_NORETURN hw_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
87ecb68b	199
87ecb68b PB	200	struct ParallelIOArg {
	201	void *buffer;
	202	int count;
	203	};
	204
	205	typedef int (DMA_transfer_handler) (void opaque, int nchan, int pos, int size);
	206
	207	/* A load of opaque types so that device init declarations don't have to
	208	pull in all the real definitions. */
	209	typedef struct NICInfo NICInfo;
1ae26a18	210	typedef struct HCIInfo HCIInfo;
87ecb68b PB	211	typedef struct AudioState AudioState;
87ecb68b PB	212	typedef struct BlockDriverState BlockDriverState;
2446333c	213	typedef struct DriveInfo DriveInfo;
87ecb68b	214	typedef struct DisplayState DisplayState;
7d957bd8 AL	215	typedef struct DisplayChangeListener DisplayChangeListener;
7d957bd8 AL	216	typedef struct DisplaySurface DisplaySurface;
7b5d76da	217	typedef struct DisplayAllocator DisplayAllocator;
7d957bd8	218	typedef struct PixelFormat PixelFormat;
87ecb68b	219	typedef struct TextConsole TextConsole;
c60e08d9	220	typedef TextConsole QEMUConsole;
87ecb68b	221	typedef struct CharDriverState CharDriverState;
76d32cba	222	typedef struct MACAddr MACAddr;
87ecb68b	223	typedef struct VLANState VLANState;
f7105843	224	typedef struct VLANClientState VLANClientState;
87ecb68b PB	225	typedef struct i2c_bus i2c_bus;
87ecb68b PB	226	typedef struct i2c_slave i2c_slave;
48a18b3c	227	typedef struct ISABus ISABus;
87ecb68b	228	typedef struct SMBusDevice SMBusDevice;
fb47a2e9 IY	229	typedef struct PCIHostState PCIHostState;
fb47a2e9 IY	230	typedef struct PCIExpressHost PCIExpressHost;
87ecb68b PB	231	typedef struct PCIBus PCIBus;
87ecb68b PB	232	typedef struct PCIDevice PCIDevice;
0428527c	233	typedef struct PCIExpressDevice PCIExpressDevice;
68f79994	234	typedef struct PCIBridge PCIBridge;
34e65944 IY	235	typedef struct PCIEAERMsg PCIEAERMsg;
	236	typedef struct PCIEAERLog PCIEAERLog;
	237	typedef struct PCIEAERErr PCIEAERErr;
bc20ba98 IY	238	typedef struct PCIEPort PCIEPort;
bc20ba98 IY	239	typedef struct PCIESlot PCIESlot;
87ecb68b PB	240	typedef struct SerialState SerialState;
87ecb68b PB	241	typedef struct IRQState *qemu_irq;
bc24a225 PB	242	typedef struct PCMCIACardState PCMCIACardState;
	243	typedef struct MouseTransformInfo MouseTransformInfo;
	244	typedef struct uWireSlave uWireSlave;
	245	typedef struct I2SCodec I2SCodec;
90d37239	246	typedef struct SSIBus SSIBus;
2292b339	247	typedef struct EventNotifier EventNotifier;
2be24aaa	248	typedef struct VirtIODevice VirtIODevice;
d35bf9ad	249	typedef struct QEMUSGList QEMUSGList;
87ecb68b	250
186993ee MT	251	typedef uint64_t pcibus_t;
186993ee MT	252
d5ab9713 JK	253	void tcg_exec_init(unsigned long tb_size);
	254	bool tcg_enabled(void);
	255
	256	void cpu_exec_init_all(void);
d2053c3c	257
b3c7724c PB	258	/* CPU save/load. */
	259	void cpu_save(QEMUFile f, void opaque);
	260	int cpu_load(QEMUFile f, void opaque, int version_id);
	261
8edac960 AL	262	/* Unblock cpu */
8edac960 AL	263	void qemu_cpu_kick(void *env);
46d62fac	264	void qemu_cpu_kick_self(void);
b7680cb6	265	int qemu_cpu_is_self(void *env);
ab33fcda	266	bool all_cpu_threads_idle(void);
8edac960	267
e82bcec2 MT	268	/* work queue */
	269	struct qemu_work_item {
	270	struct qemu_work_item *next;
	271	void (func)(void data);
	272	void *data;
	273	int done;
	274	};
	275
0bf46a40 AL	276	#ifdef CONFIG_USER_ONLY
	277	#define qemu_init_vcpu(env) do { } while (0)
	278	#else
	279	void qemu_init_vcpu(void *env);
	280	#endif
	281
8c5135f9 PB	282	/**
	283	* Sends an iovec (or optionally a part of it) down a socket, yielding
	284	* when the socket is full.
	285	*/
	286	int qemu_co_sendv(int sockfd, struct iovec *iov,
	287	int len, int iov_offset);
	288
	289	/**
	290	* Receives data into an iovec (or optionally into a part of it) from
	291	* a socket, yielding when there is no data in the socket.
	292	*/
	293	int qemu_co_recvv(int sockfd, struct iovec *iov,
	294	int len, int iov_offset);
	295
	296
	297	/**
	298	* Sends a buffer down a socket, yielding when the socket is full.
	299	*/
	300	int qemu_co_send(int sockfd, void *buf, int len);
	301
	302	/**
	303	* Receives data into a buffer from a socket, yielding when there
	304	* is no data in the socket.
	305	*/
	306	int qemu_co_recv(int sockfd, void *buf, int len);
	307
	308
44e3ee8a AL	309	typedef struct QEMUIOVector {
	310	struct iovec *iov;
	311	int niov;
	312	int nalloc;
249aa745	313	size_t size;
44e3ee8a AL	314	} QEMUIOVector;
	315
	316	void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint);
522584a5	317	void qemu_iovec_init_external(QEMUIOVector qiov, struct iovec iov, int niov);
44e3ee8a	318	void qemu_iovec_add(QEMUIOVector qiov, void base, size_t len);
b8a83a4f KW	319	void qemu_iovec_copy(QEMUIOVector dst, QEMUIOVector src, uint64_t skip,
b8a83a4f KW	320	size_t size);
40b4f539	321	void qemu_iovec_concat(QEMUIOVector dst, QEMUIOVector src, size_t size);
44e3ee8a	322	void qemu_iovec_destroy(QEMUIOVector *qiov);
be959463	323	void qemu_iovec_reset(QEMUIOVector *qiov);
44e3ee8a	324	void qemu_iovec_to_buffer(QEMUIOVector qiov, void buf);
249aa745	325	void qemu_iovec_from_buffer(QEMUIOVector qiov, const void buf, size_t count);
b8a83a4f	326	void qemu_iovec_memset(QEMUIOVector *qiov, int c, size_t count);
e0d9c6f9 CT	327	void qemu_iovec_memset_skip(QEMUIOVector *qiov, int c, size_t count,
e0d9c6f9 CT	328	size_t skip);
44e3ee8a	329
6b837bc4 JS	330	void qemu_progress_init(int enabled, float min_skip);
6b837bc4 JS	331	void qemu_progress_end(void);
3bfe4dbf	332	void qemu_progress_print(float delta, int max);
6b837bc4	333
082b5557 BS	334	#define QEMU_FILE_TYPE_BIOS 0
	335	#define QEMU_FILE_TYPE_KEYMAP 1
	336	char qemu_find_file(int type, const char name);
	337
	338	/* OS specific functions */
	339	void os_setup_early_signal_handling(void);
	340	char os_find_datadir(const char argv0);
	341	void os_parse_cmd_args(int index, const char *optarg);
	342	void os_pidfile_error(void);
	343
abd0c6bd PB	344	/* Convert a byte between binary and BCD. */
	345	static inline uint8_t to_bcd(uint8_t val)
	346	{
	347	return ((val / 10) << 4) \| (val % 10);
	348	}
	349
	350	static inline uint8_t from_bcd(uint8_t val)
	351	{
	352	return ((val >> 4) * 10) + (val & 0x0f);
	353	}
	354
338b922e	355	/* compute with 96 bit intermediate result: (ab)/c /
	356	static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
	357	{
	358	union {
	359	uint64_t ll;
	360	struct {
	361	#ifdef HOST_WORDS_BIGENDIAN
	362	uint32_t high, low;
	363	#else
	364	uint32_t low, high;
	365	#endif
	366	} l;
	367	} u, res;
	368	uint64_t rl, rh;
	369
	370	u.ll = a;
	371	rl = (uint64_t)u.l.low * (uint64_t)b;
	372	rh = (uint64_t)u.l.high * (uint64_t)b;
	373	rh += (rl >> 32);
	374	res.l.high = rh / c;
	375	res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
	376	return res.ll;
	377	}
	378
3951690a SH	379	/* Round number down to multiple */
	380	#define QEMU_ALIGN_DOWN(n, m) ((n) / (m) * (m))
	381
	382	/* Round number up to multiple */
	383	#define QEMU_ALIGN_UP(n, m) QEMU_ALIGN_DOWN((n) + (m) - 1, (m))
	384
0bfe3ca5 AL	385	#include "module.h"
0bfe3ca5 AL	386
faf07963	387	#endif