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Commit | Line | Data |
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faf07963 PB |
1 | /* Common header file that is included by all of qemu. */ |
2 | #ifndef QEMU_COMMON_H | |
3 | #define QEMU_COMMON_H | |
4 | ||
beb6f0de KW |
5 | #include "config-host.h" |
6 | ||
a5e50b26 | 7 | #define QEMU_NORETURN __attribute__ ((__noreturn__)) |
747bbdf7 BS |
8 | #ifdef CONFIG_GCC_ATTRIBUTE_WARN_UNUSED_RESULT |
9 | #define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) | |
10 | #else | |
11 | #define QEMU_WARN_UNUSED_RESULT | |
12 | #endif | |
7d99a001 | 13 | |
24ebf5f3 PB |
14 | #define QEMU_BUILD_BUG_ON(x) typedef char __build_bug_on__##__LINE__[(x)?-1:1]; |
15 | ||
29e922b6 BS |
16 | typedef struct QEMUTimer QEMUTimer; |
17 | typedef struct QEMUFile QEMUFile; | |
18 | typedef struct QEMUBH QEMUBH; | |
92a16d7a | 19 | typedef struct DeviceState DeviceState; |
29e922b6 | 20 | |
a5e50b26 | 21 | /* Hack around the mess dyngen-exec.h causes: We need QEMU_NORETURN in files that |
7d99a001 BS |
22 | cannot include the following headers without conflicts. This condition has |
23 | to be removed once dyngen is gone. */ | |
24 | #ifndef __DYNGEN_EXEC_H__ | |
25 | ||
faf07963 PB |
26 | /* we put basic includes here to avoid repeating them in device drivers */ |
27 | #include <stdlib.h> | |
28 | #include <stdio.h> | |
29 | #include <stdarg.h> | |
11165820 | 30 | #include <stdbool.h> |
faf07963 | 31 | #include <string.h> |
c8906845 | 32 | #include <strings.h> |
faf07963 PB |
33 | #include <inttypes.h> |
34 | #include <limits.h> | |
35 | #include <time.h> | |
36 | #include <ctype.h> | |
37 | #include <errno.h> | |
38 | #include <unistd.h> | |
39 | #include <fcntl.h> | |
40 | #include <sys/stat.h> | |
55616505 | 41 | #include <assert.h> |
faf07963 PB |
42 | |
43 | #ifndef O_LARGEFILE | |
44 | #define O_LARGEFILE 0 | |
45 | #endif | |
46 | #ifndef O_BINARY | |
47 | #define O_BINARY 0 | |
48 | #endif | |
0e74e66b JQ |
49 | #ifndef MAP_ANONYMOUS |
50 | #define MAP_ANONYMOUS MAP_ANON | |
51 | #endif | |
faf07963 PB |
52 | #ifndef ENOMEDIUM |
53 | #define ENOMEDIUM ENODEV | |
54 | #endif | |
4c955388 | 55 | #if !defined(ENOTSUP) |
2880bc32 JQ |
56 | #define ENOTSUP 4096 |
57 | #endif | |
faf07963 | 58 | |
6114fdb0 JQ |
59 | #ifndef CONFIG_IOVEC |
60 | #define CONFIG_IOVEC | |
bf9298b9 AL |
61 | struct iovec { |
62 | void *iov_base; | |
63 | size_t iov_len; | |
64 | }; | |
e2a305fb CH |
65 | /* |
66 | * Use the same value as Linux for now. | |
67 | */ | |
68 | #define IOV_MAX 1024 | |
331dadde BS |
69 | #else |
70 | #include <sys/uio.h> | |
bf9298b9 AL |
71 | #endif |
72 | ||
9c9e7d51 SW |
73 | #if defined __GNUC__ |
74 | # if (__GNUC__ < 4) || \ | |
75 | defined(__GNUC_MINOR__) && (__GNUC__ == 4) && (__GNUC_MINOR__ < 4) | |
76 | /* gcc versions before 4.4.x don't support gnu_printf, so use printf. */ | |
77 | # define GCC_ATTR __attribute__((__unused__, format(printf, 1, 2))) | |
78 | # define GCC_FMT_ATTR(n, m) __attribute__((format(printf, n, m))) | |
79 | # else | |
80 | /* Use gnu_printf when supported (qemu uses standard format strings). */ | |
81 | # define GCC_ATTR __attribute__((__unused__, format(gnu_printf, 1, 2))) | |
82 | # define GCC_FMT_ATTR(n, m) __attribute__((format(gnu_printf, n, m))) | |
83 | # endif | |
84 | #else | |
85 | #define GCC_ATTR /**/ | |
86 | #define GCC_FMT_ATTR(n, m) | |
87 | #endif | |
88 | ||
faf07963 | 89 | #ifdef _WIN32 |
faf07963 PB |
90 | #define fsync _commit |
91 | #define lseek _lseeki64 | |
faf07963 PB |
92 | extern int qemu_ftruncate64(int, int64_t); |
93 | #define ftruncate qemu_ftruncate64 | |
94 | ||
faf07963 PB |
95 | static inline char *realpath(const char *path, char *resolved_path) |
96 | { | |
97 | _fullpath(resolved_path, path, _MAX_PATH); | |
98 | return resolved_path; | |
99 | } | |
100 | ||
101 | #define PRId64 "I64d" | |
102 | #define PRIx64 "I64x" | |
103 | #define PRIu64 "I64u" | |
104 | #define PRIo64 "I64o" | |
105 | #endif | |
106 | ||
107 | /* FIXME: Remove NEED_CPU_H. */ | |
108 | #ifndef NEED_CPU_H | |
109 | ||
faf07963 PB |
110 | #include <setjmp.h> |
111 | #include "osdep.h" | |
112 | #include "bswap.h" | |
113 | ||
114 | #else | |
115 | ||
116 | #include "cpu.h" | |
117 | ||
118 | #endif /* !defined(NEED_CPU_H) */ | |
119 | ||
120 | /* bottom halves */ | |
faf07963 PB |
121 | typedef void QEMUBHFunc(void *opaque); |
122 | ||
9a1e9481 KW |
123 | void async_context_push(void); |
124 | void async_context_pop(void); | |
125 | int get_async_context_id(void); | |
126 | ||
faf07963 PB |
127 | QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque); |
128 | void qemu_bh_schedule(QEMUBH *bh); | |
80d3580b AL |
129 | /* Bottom halfs that are scheduled from a bottom half handler are instantly |
130 | * invoked. This can create an infinite loop if a bottom half handler | |
131 | * schedules itself. qemu_bh_schedule_idle() avoids this infinite loop by | |
132 | * ensuring that the bottom half isn't executed until the next main loop | |
133 | * iteration. | |
134 | */ | |
1b435b10 | 135 | void qemu_bh_schedule_idle(QEMUBH *bh); |
faf07963 PB |
136 | void qemu_bh_cancel(QEMUBH *bh); |
137 | void qemu_bh_delete(QEMUBH *bh); | |
138 | int qemu_bh_poll(void); | |
4f999d05 | 139 | void qemu_bh_update_timeout(int *timeout); |
faf07963 | 140 | |
87ecb68b PB |
141 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c); |
142 | ||
f6503059 AZ |
143 | void qemu_get_timedate(struct tm *tm, int offset); |
144 | int qemu_timedate_diff(struct tm *tm); | |
145 | ||
faf07963 PB |
146 | /* cutils.c */ |
147 | void pstrcpy(char *buf, int buf_size, const char *str); | |
148 | char *pstrcat(char *buf, int buf_size, const char *s); | |
149 | int strstart(const char *str, const char *val, const char **ptr); | |
150 | int stristart(const char *str, const char *val, const char **ptr); | |
d43277c5 | 151 | int qemu_strnlen(const char *s, int max_len); |
faf07963 | 152 | time_t mktimegm(struct tm *tm); |
ad46db9a | 153 | int qemu_fls(int i); |
6f1953c4 | 154 | int qemu_fdatasync(int fd); |
db1a4972 | 155 | int fcntl_setfl(int fd, int flag); |
faf07963 | 156 | |
37022086 BS |
157 | /* path.c */ |
158 | void init_paths(const char *prefix); | |
159 | const char *path(const char *pathname); | |
160 | ||
cd390083 BS |
161 | #define qemu_isalnum(c) isalnum((unsigned char)(c)) |
162 | #define qemu_isalpha(c) isalpha((unsigned char)(c)) | |
163 | #define qemu_iscntrl(c) iscntrl((unsigned char)(c)) | |
164 | #define qemu_isdigit(c) isdigit((unsigned char)(c)) | |
165 | #define qemu_isgraph(c) isgraph((unsigned char)(c)) | |
166 | #define qemu_islower(c) islower((unsigned char)(c)) | |
167 | #define qemu_isprint(c) isprint((unsigned char)(c)) | |
168 | #define qemu_ispunct(c) ispunct((unsigned char)(c)) | |
169 | #define qemu_isspace(c) isspace((unsigned char)(c)) | |
170 | #define qemu_isupper(c) isupper((unsigned char)(c)) | |
171 | #define qemu_isxdigit(c) isxdigit((unsigned char)(c)) | |
172 | #define qemu_tolower(c) tolower((unsigned char)(c)) | |
173 | #define qemu_toupper(c) toupper((unsigned char)(c)) | |
174 | #define qemu_isascii(c) isascii((unsigned char)(c)) | |
175 | #define qemu_toascii(c) toascii((unsigned char)(c)) | |
176 | ||
ca10f867 | 177 | void *qemu_malloc(size_t size); |
2137b4cc | 178 | void *qemu_realloc(void *ptr, size_t size); |
ca10f867 AJ |
179 | void *qemu_mallocz(size_t size); |
180 | void qemu_free(void *ptr); | |
181 | char *qemu_strdup(const char *str); | |
ac4b0d0c | 182 | char *qemu_strndup(const char *str, size_t size); |
ca10f867 | 183 | |
d549db5a GC |
184 | void qemu_mutex_lock_iothread(void); |
185 | void qemu_mutex_unlock_iothread(void); | |
186 | ||
40ff6d7e | 187 | int qemu_open(const char *name, int flags, ...); |
7c7c0629 JQ |
188 | ssize_t qemu_write_full(int fd, const void *buf, size_t count) |
189 | QEMU_WARN_UNUSED_RESULT; | |
40ff6d7e KW |
190 | void qemu_set_cloexec(int fd); |
191 | ||
192 | #ifndef _WIN32 | |
f3dfda61 | 193 | int qemu_eventfd(int pipefd[2]); |
40ff6d7e KW |
194 | int qemu_pipe(int pipefd[2]); |
195 | #endif | |
196 | ||
87ecb68b PB |
197 | /* Error handling. */ |
198 | ||
e5924d89 | 199 | void QEMU_NORETURN hw_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2); |
87ecb68b PB |
200 | |
201 | /* IO callbacks. */ | |
202 | typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size); | |
7b27a769 | 203 | typedef int IOCanReadHandler(void *opaque); |
87ecb68b PB |
204 | typedef void IOHandler(void *opaque); |
205 | ||
206 | struct ParallelIOArg { | |
207 | void *buffer; | |
208 | int count; | |
209 | }; | |
210 | ||
211 | typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size); | |
212 | ||
213 | /* A load of opaque types so that device init declarations don't have to | |
214 | pull in all the real definitions. */ | |
215 | typedef struct NICInfo NICInfo; | |
1ae26a18 | 216 | typedef struct HCIInfo HCIInfo; |
87ecb68b PB |
217 | typedef struct AudioState AudioState; |
218 | typedef struct BlockDriverState BlockDriverState; | |
2446333c | 219 | typedef struct DriveInfo DriveInfo; |
87ecb68b | 220 | typedef struct DisplayState DisplayState; |
7d957bd8 AL |
221 | typedef struct DisplayChangeListener DisplayChangeListener; |
222 | typedef struct DisplaySurface DisplaySurface; | |
7b5d76da | 223 | typedef struct DisplayAllocator DisplayAllocator; |
7d957bd8 | 224 | typedef struct PixelFormat PixelFormat; |
87ecb68b | 225 | typedef struct TextConsole TextConsole; |
c60e08d9 | 226 | typedef TextConsole QEMUConsole; |
87ecb68b | 227 | typedef struct CharDriverState CharDriverState; |
76d32cba | 228 | typedef struct MACAddr MACAddr; |
87ecb68b | 229 | typedef struct VLANState VLANState; |
f7105843 | 230 | typedef struct VLANClientState VLANClientState; |
87ecb68b PB |
231 | typedef struct i2c_bus i2c_bus; |
232 | typedef struct i2c_slave i2c_slave; | |
233 | typedef struct SMBusDevice SMBusDevice; | |
fb47a2e9 IY |
234 | typedef struct PCIHostState PCIHostState; |
235 | typedef struct PCIExpressHost PCIExpressHost; | |
87ecb68b PB |
236 | typedef struct PCIBus PCIBus; |
237 | typedef struct PCIDevice PCIDevice; | |
238 | typedef struct SerialState SerialState; | |
239 | typedef struct IRQState *qemu_irq; | |
bc24a225 PB |
240 | typedef struct PCMCIACardState PCMCIACardState; |
241 | typedef struct MouseTransformInfo MouseTransformInfo; | |
242 | typedef struct uWireSlave uWireSlave; | |
243 | typedef struct I2SCodec I2SCodec; | |
90d37239 | 244 | typedef struct SSIBus SSIBus; |
2292b339 | 245 | typedef struct EventNotifier EventNotifier; |
2be24aaa | 246 | typedef struct VirtIODevice VirtIODevice; |
87ecb68b | 247 | |
186993ee MT |
248 | typedef uint64_t pcibus_t; |
249 | ||
2446333c BS |
250 | typedef enum { |
251 | IF_NONE, | |
252 | IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN, | |
253 | IF_COUNT | |
254 | } BlockInterfaceType; | |
255 | ||
d2053c3c BS |
256 | void cpu_exec_init_all(unsigned long tb_size); |
257 | ||
b3c7724c PB |
258 | /* CPU save/load. */ |
259 | void cpu_save(QEMUFile *f, void *opaque); | |
260 | int cpu_load(QEMUFile *f, void *opaque, int version_id); | |
261 | ||
9e472e10 AL |
262 | /* Force QEMU to stop what it's doing and service IO */ |
263 | void qemu_service_io(void); | |
264 | ||
d9f75a4e AL |
265 | /* Force QEMU to process pending events */ |
266 | void qemu_notify_event(void); | |
267 | ||
8edac960 AL |
268 | /* Unblock cpu */ |
269 | void qemu_cpu_kick(void *env); | |
270 | int qemu_cpu_self(void *env); | |
271 | ||
e82bcec2 MT |
272 | /* work queue */ |
273 | struct qemu_work_item { | |
274 | struct qemu_work_item *next; | |
275 | void (*func)(void *data); | |
276 | void *data; | |
277 | int done; | |
278 | }; | |
279 | ||
0bf46a40 AL |
280 | #ifdef CONFIG_USER_ONLY |
281 | #define qemu_init_vcpu(env) do { } while (0) | |
282 | #else | |
283 | void qemu_init_vcpu(void *env); | |
284 | #endif | |
285 | ||
44e3ee8a AL |
286 | typedef struct QEMUIOVector { |
287 | struct iovec *iov; | |
288 | int niov; | |
289 | int nalloc; | |
249aa745 | 290 | size_t size; |
44e3ee8a AL |
291 | } QEMUIOVector; |
292 | ||
293 | void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint); | |
522584a5 | 294 | void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov); |
44e3ee8a | 295 | void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len); |
b8a83a4f KW |
296 | void qemu_iovec_copy(QEMUIOVector *dst, QEMUIOVector *src, uint64_t skip, |
297 | size_t size); | |
40b4f539 | 298 | void qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t size); |
44e3ee8a | 299 | void qemu_iovec_destroy(QEMUIOVector *qiov); |
be959463 | 300 | void qemu_iovec_reset(QEMUIOVector *qiov); |
44e3ee8a | 301 | void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf); |
249aa745 | 302 | void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count); |
b8a83a4f | 303 | void qemu_iovec_memset(QEMUIOVector *qiov, int c, size_t count); |
44e3ee8a | 304 | |
376253ec AL |
305 | struct Monitor; |
306 | typedef struct Monitor Monitor; | |
307 | ||
abd0c6bd PB |
308 | /* Convert a byte between binary and BCD. */ |
309 | static inline uint8_t to_bcd(uint8_t val) | |
310 | { | |
311 | return ((val / 10) << 4) | (val % 10); | |
312 | } | |
313 | ||
314 | static inline uint8_t from_bcd(uint8_t val) | |
315 | { | |
316 | return ((val >> 4) * 10) + (val & 0x0f); | |
317 | } | |
318 | ||
0bfe3ca5 AL |
319 | #include "module.h" |
320 | ||
7d99a001 BS |
321 | #endif /* dyngen-exec.h hack */ |
322 | ||
faf07963 | 323 | #endif |