File:  [Qemu by Fabrice Bellard] / qemu / qemu-common.h
Revision 1.1.1.2 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 16:50:36 2018 UTC (2 years, 3 months ago) by root
Branches: qemu, MAIN
CVS tags: qemu0105, qemu0104, qemu0103, qemu0102, qemu0101, qemu0100, HEAD
qemu 0.10.0

    1: /* Common header file that is included by all of qemu.  */
    2: #ifndef QEMU_COMMON_H
    3: #define QEMU_COMMON_H
    4: 
    5: #ifdef _WIN32
    6: #define WIN32_LEAN_AND_MEAN
    7: #define WINVER 0x0501  /* needed for ipv6 bits */
    8: #include <windows.h>
    9: #endif
   10: 
   11: #define QEMU_NORETURN __attribute__ ((__noreturn__))
   12: 
   13: /* Hack around the mess dyngen-exec.h causes: We need QEMU_NORETURN in files that
   14:    cannot include the following headers without conflicts. This condition has
   15:    to be removed once dyngen is gone. */
   16: #ifndef __DYNGEN_EXEC_H__
   17: 
   18: /* we put basic includes here to avoid repeating them in device drivers */
   19: #include <stdlib.h>
   20: #include <stdio.h>
   21: #include <stdarg.h>
   22: #include <string.h>
   23: #include <strings.h>
   24: #include <inttypes.h>
   25: #include <limits.h>
   26: #include <time.h>
   27: #include <ctype.h>
   28: #include <errno.h>
   29: #include <unistd.h>
   30: #include <fcntl.h>
   31: #include <sys/stat.h>
   32: #include "config-host.h"
   33: 
   34: #ifndef O_LARGEFILE
   35: #define O_LARGEFILE 0
   36: #endif
   37: #ifndef O_BINARY
   38: #define O_BINARY 0
   39: #endif
   40: 
   41: #ifndef ENOMEDIUM
   42: #define ENOMEDIUM ENODEV
   43: #endif
   44: 
   45: #ifndef HAVE_IOVEC
   46: #define HAVE_IOVEC
   47: struct iovec {
   48:     void *iov_base;
   49:     size_t iov_len;
   50: };
   51: #else
   52: #include <sys/uio.h>
   53: #endif
   54: 
   55: #ifdef _WIN32
   56: #define fsync _commit
   57: #define lseek _lseeki64
   58: #define ENOTSUP 4096
   59: extern int qemu_ftruncate64(int, int64_t);
   60: #define ftruncate qemu_ftruncate64
   61: 
   62: 
   63: static inline char *realpath(const char *path, char *resolved_path)
   64: {
   65:     _fullpath(resolved_path, path, _MAX_PATH);
   66:     return resolved_path;
   67: }
   68: 
   69: #define PRId64 "I64d"
   70: #define PRIx64 "I64x"
   71: #define PRIu64 "I64u"
   72: #define PRIo64 "I64o"
   73: #endif
   74: 
   75: /* FIXME: Remove NEED_CPU_H.  */
   76: #ifndef NEED_CPU_H
   77: 
   78: #include <setjmp.h>
   79: #include "osdep.h"
   80: #include "bswap.h"
   81: 
   82: #else
   83: 
   84: #include "cpu.h"
   85: 
   86: #endif /* !defined(NEED_CPU_H) */
   87: 
   88: /* bottom halves */
   89: typedef struct QEMUBH QEMUBH;
   90: 
   91: typedef void QEMUBHFunc(void *opaque);
   92: 
   93: QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque);
   94: void qemu_bh_schedule(QEMUBH *bh);
   95: /* Bottom halfs that are scheduled from a bottom half handler are instantly
   96:  * invoked.  This can create an infinite loop if a bottom half handler
   97:  * schedules itself.  qemu_bh_schedule_idle() avoids this infinite loop by
   98:  * ensuring that the bottom half isn't executed until the next main loop
   99:  * iteration.
  100:  */
  101: void qemu_bh_schedule_idle(QEMUBH *bh);
  102: void qemu_bh_cancel(QEMUBH *bh);
  103: void qemu_bh_delete(QEMUBH *bh);
  104: int qemu_bh_poll(void);
  105: 
  106: uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c);
  107: 
  108: void qemu_get_timedate(struct tm *tm, int offset);
  109: int qemu_timedate_diff(struct tm *tm);
  110: 
  111: /* cutils.c */
  112: void pstrcpy(char *buf, int buf_size, const char *str);
  113: char *pstrcat(char *buf, int buf_size, const char *s);
  114: int strstart(const char *str, const char *val, const char **ptr);
  115: int stristart(const char *str, const char *val, const char **ptr);
  116: time_t mktimegm(struct tm *tm);
  117: int qemu_fls(int i);
  118: 
  119: #define qemu_isalnum(c)		isalnum((unsigned char)(c))
  120: #define qemu_isalpha(c)		isalpha((unsigned char)(c))
  121: #define qemu_iscntrl(c)		iscntrl((unsigned char)(c))
  122: #define qemu_isdigit(c)		isdigit((unsigned char)(c))
  123: #define qemu_isgraph(c)		isgraph((unsigned char)(c))
  124: #define qemu_islower(c)		islower((unsigned char)(c))
  125: #define qemu_isprint(c)		isprint((unsigned char)(c))
  126: #define qemu_ispunct(c)		ispunct((unsigned char)(c))
  127: #define qemu_isspace(c)		isspace((unsigned char)(c))
  128: #define qemu_isupper(c)		isupper((unsigned char)(c))
  129: #define qemu_isxdigit(c)	isxdigit((unsigned char)(c))
  130: #define qemu_tolower(c)		tolower((unsigned char)(c))
  131: #define qemu_toupper(c)		toupper((unsigned char)(c))
  132: #define qemu_isascii(c)		isascii((unsigned char)(c))
  133: #define qemu_toascii(c)		toascii((unsigned char)(c))
  134: 
  135: void *qemu_malloc(size_t size);
  136: void *qemu_realloc(void *ptr, size_t size);
  137: void *qemu_mallocz(size_t size);
  138: void qemu_free(void *ptr);
  139: char *qemu_strdup(const char *str);
  140: char *qemu_strndup(const char *str, size_t size);
  141: 
  142: void *get_mmap_addr(unsigned long size);
  143: 
  144: 
  145: /* Error handling.  */
  146: 
  147: void QEMU_NORETURN hw_error(const char *fmt, ...)
  148:     __attribute__ ((__format__ (__printf__, 1, 2)));
  149: 
  150: /* IO callbacks.  */
  151: typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size);
  152: typedef int IOCanRWHandler(void *opaque);
  153: typedef void IOHandler(void *opaque);
  154: 
  155: struct ParallelIOArg {
  156:     void *buffer;
  157:     int count;
  158: };
  159: 
  160: typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size);
  161: 
  162: /* A load of opaque types so that device init declarations don't have to
  163:    pull in all the real definitions.  */
  164: typedef struct NICInfo NICInfo;
  165: typedef struct HCIInfo HCIInfo;
  166: typedef struct AudioState AudioState;
  167: typedef struct BlockDriverState BlockDriverState;
  168: typedef struct DisplayState DisplayState;
  169: typedef struct DisplayChangeListener DisplayChangeListener;
  170: typedef struct DisplaySurface DisplaySurface;
  171: typedef struct PixelFormat PixelFormat;
  172: typedef struct TextConsole TextConsole;
  173: typedef TextConsole QEMUConsole;
  174: typedef struct CharDriverState CharDriverState;
  175: typedef struct VLANState VLANState;
  176: typedef struct QEMUFile QEMUFile;
  177: typedef struct i2c_bus i2c_bus;
  178: typedef struct i2c_slave i2c_slave;
  179: typedef struct SMBusDevice SMBusDevice;
  180: typedef struct QEMUTimer QEMUTimer;
  181: typedef struct PCIBus PCIBus;
  182: typedef struct PCIDevice PCIDevice;
  183: typedef struct SerialState SerialState;
  184: typedef struct IRQState *qemu_irq;
  185: struct pcmcia_card_s;
  186: 
  187: /* CPU save/load.  */
  188: void cpu_save(QEMUFile *f, void *opaque);
  189: int cpu_load(QEMUFile *f, void *opaque, int version_id);
  190: 
  191: /* Force QEMU to stop what it's doing and service IO */
  192: void qemu_service_io(void);
  193: 
  194: typedef struct QEMUIOVector {
  195:     struct iovec *iov;
  196:     int niov;
  197:     int nalloc;
  198:     size_t size;
  199: } QEMUIOVector;
  200: 
  201: void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint);
  202: void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len);
  203: void qemu_iovec_destroy(QEMUIOVector *qiov);
  204: void qemu_iovec_reset(QEMUIOVector *qiov);
  205: void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf);
  206: void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count);
  207: 
  208: #endif /* dyngen-exec.h hack */
  209: 
  210: #endif

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