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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); |
9f9b17a4 | 152 | ssize_t strtosz(const char *nptr, char **end); |
faf07963 | 153 | |
37022086 BS |
154 | /* path.c */ |
155 | void init_paths(const char *prefix); | |
156 | const char *path(const char *pathname); | |
157 | ||
cd390083 BS |
158 | #define qemu_isalnum(c) isalnum((unsigned char)(c)) |
159 | #define qemu_isalpha(c) isalpha((unsigned char)(c)) | |
160 | #define qemu_iscntrl(c) iscntrl((unsigned char)(c)) | |
161 | #define qemu_isdigit(c) isdigit((unsigned char)(c)) | |
162 | #define qemu_isgraph(c) isgraph((unsigned char)(c)) | |
163 | #define qemu_islower(c) islower((unsigned char)(c)) | |
164 | #define qemu_isprint(c) isprint((unsigned char)(c)) | |
165 | #define qemu_ispunct(c) ispunct((unsigned char)(c)) | |
166 | #define qemu_isspace(c) isspace((unsigned char)(c)) | |
167 | #define qemu_isupper(c) isupper((unsigned char)(c)) | |
168 | #define qemu_isxdigit(c) isxdigit((unsigned char)(c)) | |
169 | #define qemu_tolower(c) tolower((unsigned char)(c)) | |
170 | #define qemu_toupper(c) toupper((unsigned char)(c)) | |
171 | #define qemu_isascii(c) isascii((unsigned char)(c)) | |
172 | #define qemu_toascii(c) toascii((unsigned char)(c)) | |
173 | ||
dc786bc9 JS |
174 | #ifdef _WIN32 |
175 | /* ffs() in oslib-win32.c for WIN32, strings.h for the rest of the world */ | |
176 | int ffs(int i); | |
177 | #endif | |
178 | ||
b152aa84 | 179 | void *qemu_oom_check(void *ptr); |
ca10f867 | 180 | void *qemu_malloc(size_t size); |
2137b4cc | 181 | void *qemu_realloc(void *ptr, size_t size); |
ca10f867 AJ |
182 | void *qemu_mallocz(size_t size); |
183 | void qemu_free(void *ptr); | |
184 | char *qemu_strdup(const char *str); | |
ac4b0d0c | 185 | char *qemu_strndup(const char *str, size_t size); |
ca10f867 | 186 | |
d549db5a GC |
187 | void qemu_mutex_lock_iothread(void); |
188 | void qemu_mutex_unlock_iothread(void); | |
189 | ||
40ff6d7e | 190 | int qemu_open(const char *name, int flags, ...); |
7c7c0629 JQ |
191 | ssize_t qemu_write_full(int fd, const void *buf, size_t count) |
192 | QEMU_WARN_UNUSED_RESULT; | |
40ff6d7e KW |
193 | void qemu_set_cloexec(int fd); |
194 | ||
195 | #ifndef _WIN32 | |
f3dfda61 | 196 | int qemu_eventfd(int pipefd[2]); |
40ff6d7e KW |
197 | int qemu_pipe(int pipefd[2]); |
198 | #endif | |
199 | ||
87ecb68b PB |
200 | /* Error handling. */ |
201 | ||
e5924d89 | 202 | void QEMU_NORETURN hw_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2); |
87ecb68b PB |
203 | |
204 | /* IO callbacks. */ | |
205 | typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size); | |
7b27a769 | 206 | typedef int IOCanReadHandler(void *opaque); |
87ecb68b PB |
207 | typedef void IOHandler(void *opaque); |
208 | ||
209 | struct ParallelIOArg { | |
210 | void *buffer; | |
211 | int count; | |
212 | }; | |
213 | ||
214 | typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size); | |
215 | ||
216 | /* A load of opaque types so that device init declarations don't have to | |
217 | pull in all the real definitions. */ | |
218 | typedef struct NICInfo NICInfo; | |
1ae26a18 | 219 | typedef struct HCIInfo HCIInfo; |
87ecb68b PB |
220 | typedef struct AudioState AudioState; |
221 | typedef struct BlockDriverState BlockDriverState; | |
2446333c | 222 | typedef struct DriveInfo DriveInfo; |
87ecb68b | 223 | typedef struct DisplayState DisplayState; |
7d957bd8 AL |
224 | typedef struct DisplayChangeListener DisplayChangeListener; |
225 | typedef struct DisplaySurface DisplaySurface; | |
7b5d76da | 226 | typedef struct DisplayAllocator DisplayAllocator; |
7d957bd8 | 227 | typedef struct PixelFormat PixelFormat; |
87ecb68b | 228 | typedef struct TextConsole TextConsole; |
c60e08d9 | 229 | typedef TextConsole QEMUConsole; |
87ecb68b | 230 | typedef struct CharDriverState CharDriverState; |
76d32cba | 231 | typedef struct MACAddr MACAddr; |
87ecb68b | 232 | typedef struct VLANState VLANState; |
f7105843 | 233 | typedef struct VLANClientState VLANClientState; |
87ecb68b PB |
234 | typedef struct i2c_bus i2c_bus; |
235 | typedef struct i2c_slave i2c_slave; | |
236 | typedef struct SMBusDevice SMBusDevice; | |
fb47a2e9 IY |
237 | typedef struct PCIHostState PCIHostState; |
238 | typedef struct PCIExpressHost PCIExpressHost; | |
87ecb68b PB |
239 | typedef struct PCIBus PCIBus; |
240 | typedef struct PCIDevice PCIDevice; | |
0428527c | 241 | typedef struct PCIExpressDevice PCIExpressDevice; |
68f79994 | 242 | typedef struct PCIBridge PCIBridge; |
bc20ba98 IY |
243 | typedef struct PCIEPort PCIEPort; |
244 | typedef struct PCIESlot PCIESlot; | |
87ecb68b PB |
245 | typedef struct SerialState SerialState; |
246 | typedef struct IRQState *qemu_irq; | |
bc24a225 PB |
247 | typedef struct PCMCIACardState PCMCIACardState; |
248 | typedef struct MouseTransformInfo MouseTransformInfo; | |
249 | typedef struct uWireSlave uWireSlave; | |
250 | typedef struct I2SCodec I2SCodec; | |
90d37239 | 251 | typedef struct SSIBus SSIBus; |
2292b339 | 252 | typedef struct EventNotifier EventNotifier; |
2be24aaa | 253 | typedef struct VirtIODevice VirtIODevice; |
87ecb68b | 254 | |
186993ee MT |
255 | typedef uint64_t pcibus_t; |
256 | ||
2446333c BS |
257 | typedef enum { |
258 | IF_NONE, | |
259 | IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN, | |
260 | IF_COUNT | |
261 | } BlockInterfaceType; | |
262 | ||
d2053c3c BS |
263 | void cpu_exec_init_all(unsigned long tb_size); |
264 | ||
b3c7724c PB |
265 | /* CPU save/load. */ |
266 | void cpu_save(QEMUFile *f, void *opaque); | |
267 | int cpu_load(QEMUFile *f, void *opaque, int version_id); | |
268 | ||
9e472e10 AL |
269 | /* Force QEMU to stop what it's doing and service IO */ |
270 | void qemu_service_io(void); | |
271 | ||
d9f75a4e AL |
272 | /* Force QEMU to process pending events */ |
273 | void qemu_notify_event(void); | |
274 | ||
8edac960 AL |
275 | /* Unblock cpu */ |
276 | void qemu_cpu_kick(void *env); | |
277 | int qemu_cpu_self(void *env); | |
278 | ||
e82bcec2 MT |
279 | /* work queue */ |
280 | struct qemu_work_item { | |
281 | struct qemu_work_item *next; | |
282 | void (*func)(void *data); | |
283 | void *data; | |
284 | int done; | |
285 | }; | |
286 | ||
0bf46a40 AL |
287 | #ifdef CONFIG_USER_ONLY |
288 | #define qemu_init_vcpu(env) do { } while (0) | |
289 | #else | |
290 | void qemu_init_vcpu(void *env); | |
291 | #endif | |
292 | ||
44e3ee8a AL |
293 | typedef struct QEMUIOVector { |
294 | struct iovec *iov; | |
295 | int niov; | |
296 | int nalloc; | |
249aa745 | 297 | size_t size; |
44e3ee8a AL |
298 | } QEMUIOVector; |
299 | ||
300 | void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint); | |
522584a5 | 301 | void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov); |
44e3ee8a | 302 | void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len); |
b8a83a4f KW |
303 | void qemu_iovec_copy(QEMUIOVector *dst, QEMUIOVector *src, uint64_t skip, |
304 | size_t size); | |
40b4f539 | 305 | void qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t size); |
44e3ee8a | 306 | void qemu_iovec_destroy(QEMUIOVector *qiov); |
be959463 | 307 | void qemu_iovec_reset(QEMUIOVector *qiov); |
44e3ee8a | 308 | void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf); |
249aa745 | 309 | void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count); |
b8a83a4f | 310 | void qemu_iovec_memset(QEMUIOVector *qiov, int c, size_t count); |
44e3ee8a | 311 | |
376253ec AL |
312 | struct Monitor; |
313 | typedef struct Monitor Monitor; | |
314 | ||
abd0c6bd PB |
315 | /* Convert a byte between binary and BCD. */ |
316 | static inline uint8_t to_bcd(uint8_t val) | |
317 | { | |
318 | return ((val / 10) << 4) | (val % 10); | |
319 | } | |
320 | ||
321 | static inline uint8_t from_bcd(uint8_t val) | |
322 | { | |
323 | return ((val >> 4) * 10) + (val & 0x0f); | |
324 | } | |
325 | ||
338b922e | 326 | /* compute with 96 bit intermediate result: (a*b)/c */ |
327 | static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) | |
328 | { | |
329 | union { | |
330 | uint64_t ll; | |
331 | struct { | |
332 | #ifdef HOST_WORDS_BIGENDIAN | |
333 | uint32_t high, low; | |
334 | #else | |
335 | uint32_t low, high; | |
336 | #endif | |
337 | } l; | |
338 | } u, res; | |
339 | uint64_t rl, rh; | |
340 | ||
341 | u.ll = a; | |
342 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
343 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
344 | rh += (rl >> 32); | |
345 | res.l.high = rh / c; | |
346 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
347 | return res.ll; | |
348 | } | |
349 | ||
0bfe3ca5 AL |
350 | #include "module.h" |
351 | ||
faf07963 | 352 | #endif |