qemu-common.h

   1 /* Common header file that is included by all of qemu.  */
   2 #ifndef QEMU_COMMON_H
   3 #define QEMU_COMMON_H
   4
   5 /* we put basic includes here to avoid repeating them in device drivers */
   6 #include <stdlib.h>
   7 #include <stdio.h>
   8 #include <stdarg.h>
   9 #include <string.h>
  10 #include <inttypes.h>
  11 #include <limits.h>
  12 #include <time.h>
  13 #include <ctype.h>
  14 #include <errno.h>
  15 #include <unistd.h>
  16 #include <fcntl.h>
  17 #include <sys/stat.h>
  18
  19 #ifndef O_LARGEFILE
  20 #define O_LARGEFILE 0
  21 #endif
  22 #ifndef O_BINARY
  23 #define O_BINARY 0
  24 #endif
  25
  26 #ifndef ENOMEDIUM
  27 #define ENOMEDIUM ENODEV
  28 #endif
  29
  30 #ifdef _WIN32
  31 #define WIN32_LEAN_AND_MEAN
  32 #include <windows.h>
  33 #define fsync _commit
  34 #define lseek _lseeki64
  35 #define ENOTSUP 4096
  36 extern int qemu_ftruncate64(int, int64_t);
  37 #define ftruncate qemu_ftruncate64
  38
  39
  40 static inline char *realpath(const char *path, char *resolved_path)
  41 {
  42     _fullpath(resolved_path, path, _MAX_PATH);
  43     return resolved_path;
  44 }
  45
  46 #define PRId64 "I64d"
  47 #define PRIx64 "I64x"
  48 #define PRIu64 "I64u"
  49 #define PRIo64 "I64o"
  50 #endif
  51
  52 /* FIXME: Remove NEED_CPU_H.  */
  53 #ifndef NEED_CPU_H
  54
  55 #include "config-host.h"
  56 #include <setjmp.h>
  57 #include "osdep.h"
  58 #include "bswap.h"
  59
  60 #else
  61
  62 #include "cpu.h"
  63
  64 #endif /* !defined(NEED_CPU_H) */
  65
  66 /* bottom halves */
  67 typedef struct QEMUBH QEMUBH;
  68
  69 typedef void QEMUBHFunc(void *opaque);
  70
  71 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque);
  72 void qemu_bh_schedule(QEMUBH *bh);
  73 void qemu_bh_cancel(QEMUBH *bh);
  74 void qemu_bh_delete(QEMUBH *bh);
  75 int qemu_bh_poll(void);
  76
  77 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c);
  78
  79 void qemu_get_timedate(struct tm *tm, int offset);
  80 int qemu_timedate_diff(struct tm *tm);
  81
  82 /* cutils.c */
  83 void pstrcpy(char *buf, int buf_size, const char *str);
  84 char *pstrcat(char *buf, int buf_size, const char *s);
  85 int strstart(const char *str, const char *val, const char **ptr);
  86 int stristart(const char *str, const char *val, const char **ptr);
  87 time_t mktimegm(struct tm *tm);
  88
  89 void *qemu_malloc(size_t size);
  90 void *qemu_realloc(void *ptr, size_t size);
  91 void *qemu_mallocz(size_t size);
  92 void qemu_free(void *ptr);
  93 char *qemu_strdup(const char *str);
  94
  95 void *get_mmap_addr(unsigned long size);
  96
  97
  98 /* Error handling.  */
  99
 100 void hw_error(const char *fmt, ...)
 101     __attribute__ ((__format__ (__printf__, 1, 2)))
 102     __attribute__ ((__noreturn__));
 103
 104 /* IO callbacks.  */
 105 typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size);
 106 typedef int IOCanRWHandler(void *opaque);
 107 typedef void IOHandler(void *opaque);
 108
 109 struct ParallelIOArg {
 110     void *buffer;
 111     int count;
 112 };
 113
 114 typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size);
 115
 116 /* A load of opaque types so that device init declarations don't have to
 117    pull in all the real definitions.  */
 118 typedef struct NICInfo NICInfo;
 119 typedef struct HCIInfo HCIInfo;
 120 typedef struct AudioState AudioState;
 121 typedef struct BlockDriverState BlockDriverState;
 122 typedef struct DisplayState DisplayState;
 123 typedef struct TextConsole TextConsole;
 124 typedef TextConsole QEMUConsole;
 125 typedef struct CharDriverState CharDriverState;
 126 typedef struct VLANState VLANState;
 127 typedef struct QEMUFile QEMUFile;
 128 typedef struct i2c_bus i2c_bus;
 129 typedef struct i2c_slave i2c_slave;
 130 typedef struct SMBusDevice SMBusDevice;
 131 typedef struct QEMUTimer QEMUTimer;
 132 typedef struct PCIBus PCIBus;
 133 typedef struct PCIDevice PCIDevice;
 134 typedef struct SerialState SerialState;
 135 typedef struct IRQState *qemu_irq;
 136 struct pcmcia_card_s;
 137
 138 /* CPU save/load.  */
 139 void cpu_save(QEMUFile *f, void *opaque);
 140 int cpu_load(QEMUFile *f, void *opaque, int version_id);
 141
 142 /* Force QEMU to stop what it's doing and service IO */
 143 void qemu_service_io(void);
 144
 145 #endif