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global s/fflush(logfile)/qemu_log_flush()/ (Eduardo Habkost)
[qemu.git] / 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 #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 noreturn __attribute__ ((__noreturn__))
12
13 /* Hack around the mess dyngen-exec.h causes: We need 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 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 #endif /* dyngen-exec.h hack */
195
196 #endif