qemu/qemu-common.h

239 lines
6.6 KiB
C

/* Common header file that is included by all of qemu. */
#ifndef QEMU_COMMON_H
#define QEMU_COMMON_H
#define QEMU_NORETURN __attribute__ ((__noreturn__))
/* Hack around the mess dyngen-exec.h causes: We need QEMU_NORETURN in files that
cannot include the following headers without conflicts. This condition has
to be removed once dyngen is gone. */
#ifndef __DYNGEN_EXEC_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 <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 <assert.h>
#include "config-host.h"
#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 CONFIG_IOVEC
#define CONFIG_IOVEC
struct iovec {
void *iov_base;
size_t iov_len;
};
#else
#include <sys/uio.h>
#endif
#ifdef _WIN32
#define fsync _commit
#define lseek _lseeki64
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 <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);
/* 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);
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c);
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);
/* 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_malloc(size_t size);
void *qemu_realloc(void *ptr, size_t size);
void *qemu_mallocz(size_t size);
void qemu_free(void *ptr);
char *qemu_strdup(const char *str);
char *qemu_strndup(const char *str, size_t size);
void *get_mmap_addr(unsigned long size);
/* Error handling. */
void QEMU_NORETURN hw_error(const char *fmt, ...)
__attribute__ ((__format__ (__printf__, 1, 2)));
/* IO callbacks. */
typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size);
typedef int IOCanRWHandler(void *opaque);
typedef void IOHandler(void *opaque);
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 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 VLANState VLANState;
typedef struct QEMUFile QEMUFile;
typedef struct i2c_bus i2c_bus;
typedef struct i2c_slave i2c_slave;
typedef struct SMBusDevice SMBusDevice;
typedef struct QEMUTimer QEMUTimer;
typedef struct PCIBus PCIBus;
typedef struct PCIDevice PCIDevice;
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 DeviceState DeviceState;
typedef struct SSIBus SSIBus;
/* 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);
int qemu_cpu_self(void *env);
#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_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);
struct Monitor;
typedef struct Monitor Monitor;
#include "module.h"
#endif /* dyngen-exec.h hack */
#endif