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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 | |
faf07963 PB |
21 | /* we put basic includes here to avoid repeating them in device drivers */ |
22 | #include <stdlib.h> | |
23 | #include <stdio.h> | |
24 | #include <stdarg.h> | |
11165820 | 25 | #include <stdbool.h> |
faf07963 | 26 | #include <string.h> |
c8906845 | 27 | #include <strings.h> |
faf07963 PB |
28 | #include <inttypes.h> |
29 | #include <limits.h> | |
30 | #include <time.h> | |
31 | #include <ctype.h> | |
32 | #include <errno.h> | |
33 | #include <unistd.h> | |
34 | #include <fcntl.h> | |
35 | #include <sys/stat.h> | |
55616505 | 36 | #include <assert.h> |
faf07963 PB |
37 | |
38 | #ifndef O_LARGEFILE | |
39 | #define O_LARGEFILE 0 | |
40 | #endif | |
41 | #ifndef O_BINARY | |
42 | #define O_BINARY 0 | |
43 | #endif | |
0e74e66b JQ |
44 | #ifndef MAP_ANONYMOUS |
45 | #define MAP_ANONYMOUS MAP_ANON | |
46 | #endif | |
faf07963 PB |
47 | #ifndef ENOMEDIUM |
48 | #define ENOMEDIUM ENODEV | |
49 | #endif | |
4c955388 | 50 | #if !defined(ENOTSUP) |
2880bc32 JQ |
51 | #define ENOTSUP 4096 |
52 | #endif | |
faf07963 | 53 | |
6114fdb0 JQ |
54 | #ifndef CONFIG_IOVEC |
55 | #define CONFIG_IOVEC | |
bf9298b9 AL |
56 | struct iovec { |
57 | void *iov_base; | |
58 | size_t iov_len; | |
59 | }; | |
e2a305fb CH |
60 | /* |
61 | * Use the same value as Linux for now. | |
62 | */ | |
63 | #define IOV_MAX 1024 | |
331dadde BS |
64 | #else |
65 | #include <sys/uio.h> | |
bf9298b9 AL |
66 | #endif |
67 | ||
9c9e7d51 SW |
68 | #if defined __GNUC__ |
69 | # if (__GNUC__ < 4) || \ | |
70 | defined(__GNUC_MINOR__) && (__GNUC__ == 4) && (__GNUC_MINOR__ < 4) | |
71 | /* gcc versions before 4.4.x don't support gnu_printf, so use printf. */ | |
72 | # define GCC_ATTR __attribute__((__unused__, format(printf, 1, 2))) | |
73 | # define GCC_FMT_ATTR(n, m) __attribute__((format(printf, n, m))) | |
74 | # else | |
75 | /* Use gnu_printf when supported (qemu uses standard format strings). */ | |
76 | # define GCC_ATTR __attribute__((__unused__, format(gnu_printf, 1, 2))) | |
77 | # define GCC_FMT_ATTR(n, m) __attribute__((format(gnu_printf, n, m))) | |
78 | # endif | |
79 | #else | |
80 | #define GCC_ATTR /**/ | |
81 | #define GCC_FMT_ATTR(n, m) | |
82 | #endif | |
83 | ||
f868445a SW |
84 | typedef int (*fprintf_function)(FILE *f, const char *fmt, ...) |
85 | GCC_FMT_ATTR(2, 3); | |
86 | ||
faf07963 | 87 | #ifdef _WIN32 |
faf07963 PB |
88 | #define fsync _commit |
89 | #define lseek _lseeki64 | |
faf07963 PB |
90 | extern int qemu_ftruncate64(int, int64_t); |
91 | #define ftruncate qemu_ftruncate64 | |
92 | ||
faf07963 PB |
93 | static inline char *realpath(const char *path, char *resolved_path) |
94 | { | |
95 | _fullpath(resolved_path, path, _MAX_PATH); | |
96 | return resolved_path; | |
97 | } | |
98 | ||
99 | #define PRId64 "I64d" | |
100 | #define PRIx64 "I64x" | |
101 | #define PRIu64 "I64u" | |
102 | #define PRIo64 "I64o" | |
103 | #endif | |
104 | ||
105 | /* FIXME: Remove NEED_CPU_H. */ | |
106 | #ifndef NEED_CPU_H | |
107 | ||
faf07963 PB |
108 | #include <setjmp.h> |
109 | #include "osdep.h" | |
110 | #include "bswap.h" | |
111 | ||
112 | #else | |
113 | ||
114 | #include "cpu.h" | |
115 | ||
116 | #endif /* !defined(NEED_CPU_H) */ | |
117 | ||
118 | /* bottom halves */ | |
faf07963 PB |
119 | typedef void QEMUBHFunc(void *opaque); |
120 | ||
9a1e9481 KW |
121 | void async_context_push(void); |
122 | void async_context_pop(void); | |
123 | int get_async_context_id(void); | |
124 | ||
faf07963 PB |
125 | QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque); |
126 | void qemu_bh_schedule(QEMUBH *bh); | |
80d3580b AL |
127 | /* Bottom halfs that are scheduled from a bottom half handler are instantly |
128 | * invoked. This can create an infinite loop if a bottom half handler | |
129 | * schedules itself. qemu_bh_schedule_idle() avoids this infinite loop by | |
130 | * ensuring that the bottom half isn't executed until the next main loop | |
131 | * iteration. | |
132 | */ | |
1b435b10 | 133 | void qemu_bh_schedule_idle(QEMUBH *bh); |
faf07963 PB |
134 | void qemu_bh_cancel(QEMUBH *bh); |
135 | void qemu_bh_delete(QEMUBH *bh); | |
136 | int qemu_bh_poll(void); | |
4f999d05 | 137 | void qemu_bh_update_timeout(int *timeout); |
faf07963 | 138 | |
f6503059 AZ |
139 | void qemu_get_timedate(struct tm *tm, int offset); |
140 | int qemu_timedate_diff(struct tm *tm); | |
141 | ||
faf07963 PB |
142 | /* cutils.c */ |
143 | void pstrcpy(char *buf, int buf_size, const char *str); | |
144 | char *pstrcat(char *buf, int buf_size, const char *s); | |
145 | int strstart(const char *str, const char *val, const char **ptr); | |
146 | int stristart(const char *str, const char *val, const char **ptr); | |
d43277c5 | 147 | int qemu_strnlen(const char *s, int max_len); |
faf07963 | 148 | time_t mktimegm(struct tm *tm); |
ad46db9a | 149 | int qemu_fls(int i); |
6f1953c4 | 150 | int qemu_fdatasync(int fd); |
db1a4972 | 151 | int fcntl_setfl(int fd, int flag); |
d8427002 JS |
152 | |
153 | #define STRTOSZ_DEFSUFFIX_TB 'T' | |
154 | #define STRTOSZ_DEFSUFFIX_GB 'G' | |
155 | #define STRTOSZ_DEFSUFFIX_MB 'M' | |
156 | #define STRTOSZ_DEFSUFFIX_KB 'K' | |
157 | #define STRTOSZ_DEFSUFFIX_B 'B' | |
9f9b17a4 | 158 | ssize_t strtosz(const char *nptr, char **end); |
d8427002 | 159 | ssize_t strtosz_suffix(const char *nptr, char **end, const char default_suffix); |
faf07963 | 160 | |
37022086 BS |
161 | /* path.c */ |
162 | void init_paths(const char *prefix); | |
163 | const char *path(const char *pathname); | |
164 | ||
cd390083 BS |
165 | #define qemu_isalnum(c) isalnum((unsigned char)(c)) |
166 | #define qemu_isalpha(c) isalpha((unsigned char)(c)) | |
167 | #define qemu_iscntrl(c) iscntrl((unsigned char)(c)) | |
168 | #define qemu_isdigit(c) isdigit((unsigned char)(c)) | |
169 | #define qemu_isgraph(c) isgraph((unsigned char)(c)) | |
170 | #define qemu_islower(c) islower((unsigned char)(c)) | |
171 | #define qemu_isprint(c) isprint((unsigned char)(c)) | |
172 | #define qemu_ispunct(c) ispunct((unsigned char)(c)) | |
173 | #define qemu_isspace(c) isspace((unsigned char)(c)) | |
174 | #define qemu_isupper(c) isupper((unsigned char)(c)) | |
175 | #define qemu_isxdigit(c) isxdigit((unsigned char)(c)) | |
176 | #define qemu_tolower(c) tolower((unsigned char)(c)) | |
177 | #define qemu_toupper(c) toupper((unsigned char)(c)) | |
178 | #define qemu_isascii(c) isascii((unsigned char)(c)) | |
179 | #define qemu_toascii(c) toascii((unsigned char)(c)) | |
180 | ||
dc786bc9 JS |
181 | #ifdef _WIN32 |
182 | /* ffs() in oslib-win32.c for WIN32, strings.h for the rest of the world */ | |
183 | int ffs(int i); | |
184 | #endif | |
185 | ||
b152aa84 | 186 | void *qemu_oom_check(void *ptr); |
ca10f867 | 187 | void *qemu_malloc(size_t size); |
2137b4cc | 188 | void *qemu_realloc(void *ptr, size_t size); |
ca10f867 AJ |
189 | void *qemu_mallocz(size_t size); |
190 | void qemu_free(void *ptr); | |
191 | char *qemu_strdup(const char *str); | |
ac4b0d0c | 192 | char *qemu_strndup(const char *str, size_t size); |
ca10f867 | 193 | |
d549db5a GC |
194 | void qemu_mutex_lock_iothread(void); |
195 | void qemu_mutex_unlock_iothread(void); | |
196 | ||
40ff6d7e | 197 | int qemu_open(const char *name, int flags, ...); |
7c7c0629 JQ |
198 | ssize_t qemu_write_full(int fd, const void *buf, size_t count) |
199 | QEMU_WARN_UNUSED_RESULT; | |
40ff6d7e KW |
200 | void qemu_set_cloexec(int fd); |
201 | ||
202 | #ifndef _WIN32 | |
f3dfda61 | 203 | int qemu_eventfd(int pipefd[2]); |
40ff6d7e KW |
204 | int qemu_pipe(int pipefd[2]); |
205 | #endif | |
206 | ||
87ecb68b PB |
207 | /* Error handling. */ |
208 | ||
e5924d89 | 209 | void QEMU_NORETURN hw_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2); |
87ecb68b PB |
210 | |
211 | /* IO callbacks. */ | |
212 | typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size); | |
7b27a769 | 213 | typedef int IOCanReadHandler(void *opaque); |
87ecb68b PB |
214 | typedef void IOHandler(void *opaque); |
215 | ||
216 | struct ParallelIOArg { | |
217 | void *buffer; | |
218 | int count; | |
219 | }; | |
220 | ||
221 | typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size); | |
222 | ||
223 | /* A load of opaque types so that device init declarations don't have to | |
224 | pull in all the real definitions. */ | |
225 | typedef struct NICInfo NICInfo; | |
1ae26a18 | 226 | typedef struct HCIInfo HCIInfo; |
87ecb68b PB |
227 | typedef struct AudioState AudioState; |
228 | typedef struct BlockDriverState BlockDriverState; | |
2446333c | 229 | typedef struct DriveInfo DriveInfo; |
87ecb68b | 230 | typedef struct DisplayState DisplayState; |
7d957bd8 AL |
231 | typedef struct DisplayChangeListener DisplayChangeListener; |
232 | typedef struct DisplaySurface DisplaySurface; | |
7b5d76da | 233 | typedef struct DisplayAllocator DisplayAllocator; |
7d957bd8 | 234 | typedef struct PixelFormat PixelFormat; |
87ecb68b | 235 | typedef struct TextConsole TextConsole; |
c60e08d9 | 236 | typedef TextConsole QEMUConsole; |
87ecb68b | 237 | typedef struct CharDriverState CharDriverState; |
76d32cba | 238 | typedef struct MACAddr MACAddr; |
87ecb68b | 239 | typedef struct VLANState VLANState; |
f7105843 | 240 | typedef struct VLANClientState VLANClientState; |
87ecb68b PB |
241 | typedef struct i2c_bus i2c_bus; |
242 | typedef struct i2c_slave i2c_slave; | |
243 | typedef struct SMBusDevice SMBusDevice; | |
fb47a2e9 IY |
244 | typedef struct PCIHostState PCIHostState; |
245 | typedef struct PCIExpressHost PCIExpressHost; | |
87ecb68b PB |
246 | typedef struct PCIBus PCIBus; |
247 | typedef struct PCIDevice PCIDevice; | |
0428527c | 248 | typedef struct PCIExpressDevice PCIExpressDevice; |
68f79994 | 249 | typedef struct PCIBridge PCIBridge; |
34e65944 IY |
250 | typedef struct PCIEAERMsg PCIEAERMsg; |
251 | typedef struct PCIEAERLog PCIEAERLog; | |
252 | typedef struct PCIEAERErr PCIEAERErr; | |
bc20ba98 IY |
253 | typedef struct PCIEPort PCIEPort; |
254 | typedef struct PCIESlot PCIESlot; | |
87ecb68b PB |
255 | typedef struct SerialState SerialState; |
256 | typedef struct IRQState *qemu_irq; | |
bc24a225 PB |
257 | typedef struct PCMCIACardState PCMCIACardState; |
258 | typedef struct MouseTransformInfo MouseTransformInfo; | |
259 | typedef struct uWireSlave uWireSlave; | |
260 | typedef struct I2SCodec I2SCodec; | |
90d37239 | 261 | typedef struct SSIBus SSIBus; |
2292b339 | 262 | typedef struct EventNotifier EventNotifier; |
2be24aaa | 263 | typedef struct VirtIODevice VirtIODevice; |
87ecb68b | 264 | |
186993ee MT |
265 | typedef uint64_t pcibus_t; |
266 | ||
2446333c BS |
267 | typedef enum { |
268 | IF_NONE, | |
269 | IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN, | |
270 | IF_COUNT | |
271 | } BlockInterfaceType; | |
272 | ||
d2053c3c BS |
273 | void cpu_exec_init_all(unsigned long tb_size); |
274 | ||
b3c7724c PB |
275 | /* CPU save/load. */ |
276 | void cpu_save(QEMUFile *f, void *opaque); | |
277 | int cpu_load(QEMUFile *f, void *opaque, int version_id); | |
278 | ||
9e472e10 AL |
279 | /* Force QEMU to stop what it's doing and service IO */ |
280 | void qemu_service_io(void); | |
281 | ||
d9f75a4e AL |
282 | /* Force QEMU to process pending events */ |
283 | void qemu_notify_event(void); | |
284 | ||
8edac960 AL |
285 | /* Unblock cpu */ |
286 | void qemu_cpu_kick(void *env); | |
287 | int qemu_cpu_self(void *env); | |
288 | ||
e82bcec2 MT |
289 | /* work queue */ |
290 | struct qemu_work_item { | |
291 | struct qemu_work_item *next; | |
292 | void (*func)(void *data); | |
293 | void *data; | |
294 | int done; | |
295 | }; | |
296 | ||
0bf46a40 AL |
297 | #ifdef CONFIG_USER_ONLY |
298 | #define qemu_init_vcpu(env) do { } while (0) | |
299 | #else | |
300 | void qemu_init_vcpu(void *env); | |
301 | #endif | |
302 | ||
44e3ee8a AL |
303 | typedef struct QEMUIOVector { |
304 | struct iovec *iov; | |
305 | int niov; | |
306 | int nalloc; | |
249aa745 | 307 | size_t size; |
44e3ee8a AL |
308 | } QEMUIOVector; |
309 | ||
310 | void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint); | |
522584a5 | 311 | void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov); |
44e3ee8a | 312 | void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len); |
b8a83a4f KW |
313 | void qemu_iovec_copy(QEMUIOVector *dst, QEMUIOVector *src, uint64_t skip, |
314 | size_t size); | |
40b4f539 | 315 | void qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t size); |
44e3ee8a | 316 | void qemu_iovec_destroy(QEMUIOVector *qiov); |
be959463 | 317 | void qemu_iovec_reset(QEMUIOVector *qiov); |
44e3ee8a | 318 | void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf); |
249aa745 | 319 | void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count); |
b8a83a4f | 320 | void qemu_iovec_memset(QEMUIOVector *qiov, int c, size_t count); |
44e3ee8a | 321 | |
376253ec AL |
322 | struct Monitor; |
323 | typedef struct Monitor Monitor; | |
324 | ||
abd0c6bd PB |
325 | /* Convert a byte between binary and BCD. */ |
326 | static inline uint8_t to_bcd(uint8_t val) | |
327 | { | |
328 | return ((val / 10) << 4) | (val % 10); | |
329 | } | |
330 | ||
331 | static inline uint8_t from_bcd(uint8_t val) | |
332 | { | |
333 | return ((val >> 4) * 10) + (val & 0x0f); | |
334 | } | |
335 | ||
338b922e | 336 | /* compute with 96 bit intermediate result: (a*b)/c */ |
337 | static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) | |
338 | { | |
339 | union { | |
340 | uint64_t ll; | |
341 | struct { | |
342 | #ifdef HOST_WORDS_BIGENDIAN | |
343 | uint32_t high, low; | |
344 | #else | |
345 | uint32_t low, high; | |
346 | #endif | |
347 | } l; | |
348 | } u, res; | |
349 | uint64_t rl, rh; | |
350 | ||
351 | u.ll = a; | |
352 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
353 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
354 | rh += (rl >> 32); | |
355 | res.l.high = rh / c; | |
356 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
357 | return res.ll; | |
358 | } | |
359 | ||
0bfe3ca5 AL |
360 | #include "module.h" |
361 | ||
faf07963 | 362 | #endif |