1 /* Common header file that is included by all of qemu. */
5 #include "config-host.h"
7 #define QEMU_NORETURN __attribute__ ((__noreturn__))
8 #ifdef CONFIG_GCC_ATTRIBUTE_WARN_UNUSED_RESULT
9 #define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
11 #define QEMU_WARN_UNUSED_RESULT
14 #define QEMU_BUILD_BUG_ON(x) typedef char __build_bug_on__##__LINE__[(x)?-1:1];
16 typedef struct QEMUTimer QEMUTimer;
17 typedef struct QEMUFile QEMUFile;
18 typedef struct QEMUBH QEMUBH;
20 /* Hack around the mess dyngen-exec.h causes: We need QEMU_NORETURN in files that
21 cannot include the following headers without conflicts. This condition has
22 to be removed once dyngen is gone. */
23 #ifndef __DYNGEN_EXEC_H__
25 /* we put basic includes here to avoid repeating them in device drivers */
48 #define MAP_ANONYMOUS MAP_ANON
51 #define ENOMEDIUM ENODEV
64 * Use the same value as Linux for now.
73 #define lseek _lseeki64
74 extern int qemu_ftruncate64(int, int64_t);
75 #define ftruncate qemu_ftruncate64
77 static inline char *realpath(const char *path, char *resolved_path)
79 _fullpath(resolved_path, path, _MAX_PATH);
89 /* FIXME: Remove NEED_CPU_H. */
100 #endif /* !defined(NEED_CPU_H) */
103 typedef void QEMUBHFunc(void *opaque);
105 void async_context_push(void);
106 void async_context_pop(void);
107 int get_async_context_id(void);
109 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque);
110 void qemu_bh_schedule(QEMUBH *bh);
111 /* Bottom halfs that are scheduled from a bottom half handler are instantly
112 * invoked. This can create an infinite loop if a bottom half handler
113 * schedules itself. qemu_bh_schedule_idle() avoids this infinite loop by
114 * ensuring that the bottom half isn't executed until the next main loop
117 void qemu_bh_schedule_idle(QEMUBH *bh);
118 void qemu_bh_cancel(QEMUBH *bh);
119 void qemu_bh_delete(QEMUBH *bh);
120 int qemu_bh_poll(void);
121 void qemu_bh_update_timeout(int *timeout);
123 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c);
125 void qemu_get_timedate(struct tm *tm, int offset);
126 int qemu_timedate_diff(struct tm *tm);
129 void pstrcpy(char *buf, int buf_size, const char *str);
130 char *pstrcat(char *buf, int buf_size, const char *s);
131 int strstart(const char *str, const char *val, const char **ptr);
132 int stristart(const char *str, const char *val, const char **ptr);
133 int qemu_strnlen(const char *s, int max_len);
134 time_t mktimegm(struct tm *tm);
136 int qemu_fdatasync(int fd);
137 int fcntl_setfl(int fd, int flag);
140 void init_paths(const char *prefix);
141 const char *path(const char *pathname);
143 #define qemu_isalnum(c) isalnum((unsigned char)(c))
144 #define qemu_isalpha(c) isalpha((unsigned char)(c))
145 #define qemu_iscntrl(c) iscntrl((unsigned char)(c))
146 #define qemu_isdigit(c) isdigit((unsigned char)(c))
147 #define qemu_isgraph(c) isgraph((unsigned char)(c))
148 #define qemu_islower(c) islower((unsigned char)(c))
149 #define qemu_isprint(c) isprint((unsigned char)(c))
150 #define qemu_ispunct(c) ispunct((unsigned char)(c))
151 #define qemu_isspace(c) isspace((unsigned char)(c))
152 #define qemu_isupper(c) isupper((unsigned char)(c))
153 #define qemu_isxdigit(c) isxdigit((unsigned char)(c))
154 #define qemu_tolower(c) tolower((unsigned char)(c))
155 #define qemu_toupper(c) toupper((unsigned char)(c))
156 #define qemu_isascii(c) isascii((unsigned char)(c))
157 #define qemu_toascii(c) toascii((unsigned char)(c))
159 void *qemu_malloc(size_t size);
160 void *qemu_realloc(void *ptr, size_t size);
161 void *qemu_mallocz(size_t size);
162 void qemu_free(void *ptr);
163 char *qemu_strdup(const char *str);
164 char *qemu_strndup(const char *str, size_t size);
166 void *get_mmap_addr(unsigned long size);
169 void qemu_mutex_lock_iothread(void);
170 void qemu_mutex_unlock_iothread(void);
172 int qemu_open(const char *name, int flags, ...);
173 ssize_t qemu_write_full(int fd, const void *buf, size_t count)
174 QEMU_WARN_UNUSED_RESULT;
175 void qemu_set_cloexec(int fd);
178 int qemu_eventfd(int pipefd[2]);
179 int qemu_pipe(int pipefd[2]);
182 /* Error handling. */
184 void QEMU_NORETURN hw_error(const char *fmt, ...)
185 __attribute__ ((__format__ (__printf__, 1, 2)));
188 typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size);
189 typedef int IOCanReadHandler(void *opaque);
190 typedef void IOHandler(void *opaque);
192 struct ParallelIOArg {
197 typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size);
199 /* A load of opaque types so that device init declarations don't have to
200 pull in all the real definitions. */
201 typedef struct NICInfo NICInfo;
202 typedef struct HCIInfo HCIInfo;
203 typedef struct AudioState AudioState;
204 typedef struct BlockDriverState BlockDriverState;
205 typedef struct DisplayState DisplayState;
206 typedef struct DisplayChangeListener DisplayChangeListener;
207 typedef struct DisplaySurface DisplaySurface;
208 typedef struct DisplayAllocator DisplayAllocator;
209 typedef struct PixelFormat PixelFormat;
210 typedef struct TextConsole TextConsole;
211 typedef TextConsole QEMUConsole;
212 typedef struct CharDriverState CharDriverState;
213 typedef struct MACAddr MACAddr;
214 typedef struct VLANState VLANState;
215 typedef struct VLANClientState VLANClientState;
216 typedef struct i2c_bus i2c_bus;
217 typedef struct i2c_slave i2c_slave;
218 typedef struct SMBusDevice SMBusDevice;
219 typedef struct PCIHostState PCIHostState;
220 typedef struct PCIExpressHost PCIExpressHost;
221 typedef struct PCIBus PCIBus;
222 typedef struct PCIDevice PCIDevice;
223 typedef struct SerialState SerialState;
224 typedef struct IRQState *qemu_irq;
225 typedef struct PCMCIACardState PCMCIACardState;
226 typedef struct MouseTransformInfo MouseTransformInfo;
227 typedef struct uWireSlave uWireSlave;
228 typedef struct I2SCodec I2SCodec;
229 typedef struct DeviceState DeviceState;
230 typedef struct SSIBus SSIBus;
231 typedef struct EventNotifier EventNotifier;
232 typedef struct VirtIODevice VirtIODevice;
234 typedef uint64_t pcibus_t;
236 void cpu_exec_init_all(unsigned long tb_size);
239 void cpu_save(QEMUFile *f, void *opaque);
240 int cpu_load(QEMUFile *f, void *opaque, int version_id);
242 /* Force QEMU to stop what it's doing and service IO */
243 void qemu_service_io(void);
245 /* Force QEMU to process pending events */
246 void qemu_notify_event(void);
249 void qemu_cpu_kick(void *env);
250 int qemu_cpu_self(void *env);
253 struct qemu_work_item {
254 struct qemu_work_item *next;
255 void (*func)(void *data);
260 #ifdef CONFIG_USER_ONLY
261 #define qemu_init_vcpu(env) do { } while (0)
263 void qemu_init_vcpu(void *env);
266 typedef struct QEMUIOVector {
273 void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint);
274 void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov);
275 void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len);
276 void qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t size);
277 void qemu_iovec_destroy(QEMUIOVector *qiov);
278 void qemu_iovec_reset(QEMUIOVector *qiov);
279 void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf);
280 void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count);
283 typedef struct Monitor Monitor;
285 /* Convert a byte between binary and BCD. */
286 static inline uint8_t to_bcd(uint8_t val)
288 return ((val / 10) << 4) | (val % 10);
291 static inline uint8_t from_bcd(uint8_t val)
293 return ((val >> 4) * 10) + (val & 0x0f);
298 #endif /* dyngen-exec.h hack */