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 <strings.h>
  11 #include <inttypes.h>
  12 #include <limits.h>
  13 #include <time.h>
  14 #include <ctype.h>
  15 #include <errno.h>
  16 #include <unistd.h>
  17 #include <fcntl.h>
  18 #include <sys/stat.h>
  19 #include "config-host.h"
  20
  21 #ifndef O_LARGEFILE
  22 #define O_LARGEFILE 0
  23 #endif
  24 #ifndef O_BINARY
  25 #define O_BINARY 0
  26 #endif
  27
  28 #ifndef ENOMEDIUM
  29 #define ENOMEDIUM ENODEV
  30 #endif
  31
  32 #ifndef HAVE_IOVEC
  33 #define HAVE_IOVEC
  34 struct iovec {
  35     void *iov_base;
  36     size_t iov_len;
  37 };
  38 #endif
  39
  40 #ifdef _WIN32
  41 #define WIN32_LEAN_AND_MEAN
  42 #define WINVER 0x0501  /* needed for ipv6 bits */
  43 #include <windows.h>
  44 #define fsync _commit
  45 #define lseek _lseeki64
  46 #define ENOTSUP 4096
  47 extern int qemu_ftruncate64(int, int64_t);
  48 #define ftruncate qemu_ftruncate64
  49
  50
  51 static inline char *realpath(const char *path, char *resolved_path)
  52 {
  53     _fullpath(resolved_path, path, _MAX_PATH);
  54     return resolved_path;
  55 }
  56
  57 #define PRId64 "I64d"
  58 #define PRIx64 "I64x"
  59 #define PRIu64 "I64u"
  60 #define PRIo64 "I64o"
  61 #endif
  62
  63 /* FIXME: Remove NEED_CPU_H.  */
  64 #ifndef NEED_CPU_H
  65
  66 #include <setjmp.h>
  67 #include "osdep.h"
  68 #include "bswap.h"
  69
  70 #else
  71
  72 #include "cpu.h"
  73
  74 #endif /* !defined(NEED_CPU_H) */
  75
  76 /* bottom halves */
  77 typedef struct QEMUBH QEMUBH;
  78
  79 typedef void QEMUBHFunc(void *opaque);
  80
  81 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque);
  82 void qemu_bh_schedule(QEMUBH *bh);
  83 /* Bottom halfs that are scheduled from a bottom half handler are instantly
  84  * invoked.  This can create an infinite loop if a bottom half handler
  85  * schedules itself.  qemu_bh_schedule_idle() avoids this infinite loop by
  86  * ensuring that the bottom half isn't executed until the next main loop
  87  * iteration.
  88  */
  89 void qemu_bh_schedule_idle(QEMUBH *bh);
  90 void qemu_bh_cancel(QEMUBH *bh);
  91 void qemu_bh_delete(QEMUBH *bh);
  92 int qemu_bh_poll(void);
  93
  94 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c);
  95
  96 void qemu_get_timedate(struct tm *tm, int offset);
  97 int qemu_timedate_diff(struct tm *tm);
  98
  99 /* cutils.c */
 100 void pstrcpy(char *buf, int buf_size, const char *str);
 101 char *pstrcat(char *buf, int buf_size, const char *s);
 102 int strstart(const char *str, const char *val, const char **ptr);
 103 int stristart(const char *str, const char *val, const char **ptr);
 104 time_t mktimegm(struct tm *tm);
 105 int fls(int i);
 106
 107 #define qemu_isalnum(c)         isalnum((unsigned char)(c))
 108 #define qemu_isalpha(c)         isalpha((unsigned char)(c))
 109 #define qemu_iscntrl(c)         iscntrl((unsigned char)(c))
 110 #define qemu_isdigit(c)         isdigit((unsigned char)(c))
 111 #define qemu_isgraph(c)         isgraph((unsigned char)(c))
 112 #define qemu_islower(c)         islower((unsigned char)(c))
 113 #define qemu_isprint(c)         isprint((unsigned char)(c))
 114 #define qemu_ispunct(c)         ispunct((unsigned char)(c))
 115 #define qemu_isspace(c)         isspace((unsigned char)(c))
 116 #define qemu_isupper(c)         isupper((unsigned char)(c))
 117 #define qemu_isxdigit(c)        isxdigit((unsigned char)(c))
 118 #define qemu_tolower(c)         tolower((unsigned char)(c))
 119 #define qemu_toupper(c)         toupper((unsigned char)(c))
 120 #define qemu_isascii(c)         isascii((unsigned char)(c))
 121 #define qemu_toascii(c)         toascii((unsigned char)(c))
 122
 123 void *qemu_malloc(size_t size);
 124 void *qemu_realloc(void *ptr, size_t size);
 125 void *qemu_mallocz(size_t size);
 126 void qemu_free(void *ptr);
 127 char *qemu_strdup(const char *str);
 128 char *qemu_strndup(const char *str, size_t size);
 129
 130 void *get_mmap_addr(unsigned long size);
 131
 132
 133 /* Error handling.  */
 134
 135 void hw_error(const char *fmt, ...)
 136     __attribute__ ((__format__ (__printf__, 1, 2)))
 137     __attribute__ ((__noreturn__));
 138
 139 /* IO callbacks.  */
 140 typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size);
 141 typedef int IOCanRWHandler(void *opaque);
 142 typedef void IOHandler(void *opaque);
 143
 144 struct ParallelIOArg {
 145     void *buffer;
 146     int count;
 147 };
 148
 149 typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size);
 150
 151 /* A load of opaque types so that device init declarations don't have to
 152    pull in all the real definitions.  */
 153 typedef struct NICInfo NICInfo;
 154 typedef struct HCIInfo HCIInfo;
 155 typedef struct AudioState AudioState;
 156 typedef struct BlockDriverState BlockDriverState;
 157 typedef struct DisplayState DisplayState;
 158 typedef struct TextConsole TextConsole;
 159 typedef TextConsole QEMUConsole;
 160 typedef struct CharDriverState CharDriverState;
 161 typedef struct VLANState VLANState;
 162 typedef struct QEMUFile QEMUFile;
 163 typedef struct i2c_bus i2c_bus;
 164 typedef struct i2c_slave i2c_slave;
 165 typedef struct SMBusDevice SMBusDevice;
 166 typedef struct QEMUTimer QEMUTimer;
 167 typedef struct PCIBus PCIBus;
 168 typedef struct PCIDevice PCIDevice;
 169 typedef struct SerialState SerialState;
 170 typedef struct IRQState *qemu_irq;
 171 struct pcmcia_card_s;
 172
 173 /* CPU save/load.  */
 174 void cpu_save(QEMUFile *f, void *opaque);
 175 int cpu_load(QEMUFile *f, void *opaque, int version_id);
 176
 177 /* Force QEMU to stop what it's doing and service IO */
 178 void qemu_service_io(void);
 179
 180 #endif