Annotation of qemu/qemu-common.h, revision 1.1.1.7
1.1 root 1: /* Common header file that is included by all of qemu. */
2: #ifndef QEMU_COMMON_H
3: #define QEMU_COMMON_H
4:
1.1.1.5 root 5: #include "config-host.h"
6:
1.1.1.2 root 7: #define QEMU_NORETURN __attribute__ ((__noreturn__))
1.1.1.4 root 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
1.1.1.2 root 13:
1.1.1.7 ! root 14: #define QEMU_BUILD_BUG_ON(x) typedef char __build_bug_on__##__LINE__[(x)?-1:1];
! 15:
! 16: typedef struct QEMUTimer QEMUTimer;
! 17: typedef struct QEMUFile QEMUFile;
! 18: typedef struct QEMUBH QEMUBH;
! 19: typedef struct DeviceState DeviceState;
! 20:
1.1.1.2 root 21: /* Hack around the mess dyngen-exec.h causes: We need QEMU_NORETURN in files that
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:
1.1 root 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>
1.1.1.7 ! root 30: #include <stdbool.h>
1.1 root 31: #include <string.h>
1.1.1.2 root 32: #include <strings.h>
1.1 root 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>
1.1.1.3 root 41: #include <assert.h>
1.1 root 42:
43: #ifndef O_LARGEFILE
44: #define O_LARGEFILE 0
45: #endif
46: #ifndef O_BINARY
47: #define O_BINARY 0
48: #endif
1.1.1.4 root 49: #ifndef MAP_ANONYMOUS
50: #define MAP_ANONYMOUS MAP_ANON
51: #endif
1.1 root 52: #ifndef ENOMEDIUM
53: #define ENOMEDIUM ENODEV
54: #endif
1.1.1.4 root 55: #if !defined(ENOTSUP)
56: #define ENOTSUP 4096
57: #endif
1.1 root 58:
1.1.1.4 root 59: #ifndef CONFIG_IOVEC
60: #define CONFIG_IOVEC
1.1.1.2 root 61: struct iovec {
62: void *iov_base;
63: size_t iov_len;
64: };
1.1.1.6 root 65: /*
66: * Use the same value as Linux for now.
67: */
68: #define IOV_MAX 1024
1.1.1.2 root 69: #else
70: #include <sys/uio.h>
71: #endif
72:
1.1 root 73: #ifdef _WIN32
74: #define fsync _commit
75: #define lseek _lseeki64
76: extern int qemu_ftruncate64(int, int64_t);
77: #define ftruncate qemu_ftruncate64
78:
79: static inline char *realpath(const char *path, char *resolved_path)
80: {
81: _fullpath(resolved_path, path, _MAX_PATH);
82: return resolved_path;
83: }
84:
85: #define PRId64 "I64d"
86: #define PRIx64 "I64x"
87: #define PRIu64 "I64u"
88: #define PRIo64 "I64o"
89: #endif
90:
91: /* FIXME: Remove NEED_CPU_H. */
92: #ifndef NEED_CPU_H
93:
94: #include <setjmp.h>
95: #include "osdep.h"
96: #include "bswap.h"
97:
98: #else
99:
100: #include "cpu.h"
101:
102: #endif /* !defined(NEED_CPU_H) */
103:
104: /* bottom halves */
105: typedef void QEMUBHFunc(void *opaque);
106:
1.1.1.4 root 107: void async_context_push(void);
108: void async_context_pop(void);
109: int get_async_context_id(void);
110:
1.1 root 111: QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque);
112: void qemu_bh_schedule(QEMUBH *bh);
1.1.1.2 root 113: /* Bottom halfs that are scheduled from a bottom half handler are instantly
114: * invoked. This can create an infinite loop if a bottom half handler
115: * schedules itself. qemu_bh_schedule_idle() avoids this infinite loop by
116: * ensuring that the bottom half isn't executed until the next main loop
117: * iteration.
118: */
119: void qemu_bh_schedule_idle(QEMUBH *bh);
1.1 root 120: void qemu_bh_cancel(QEMUBH *bh);
121: void qemu_bh_delete(QEMUBH *bh);
122: int qemu_bh_poll(void);
1.1.1.4 root 123: void qemu_bh_update_timeout(int *timeout);
1.1 root 124:
125: uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c);
126:
1.1.1.2 root 127: void qemu_get_timedate(struct tm *tm, int offset);
128: int qemu_timedate_diff(struct tm *tm);
129:
1.1 root 130: /* cutils.c */
131: void pstrcpy(char *buf, int buf_size, const char *str);
132: char *pstrcat(char *buf, int buf_size, const char *s);
133: int strstart(const char *str, const char *val, const char **ptr);
134: int stristart(const char *str, const char *val, const char **ptr);
1.1.1.3 root 135: int qemu_strnlen(const char *s, int max_len);
1.1 root 136: time_t mktimegm(struct tm *tm);
1.1.1.2 root 137: int qemu_fls(int i);
1.1.1.4 root 138: int qemu_fdatasync(int fd);
1.1.1.7 ! root 139: int fcntl_setfl(int fd, int flag);
1.1.1.4 root 140:
141: /* path.c */
142: void init_paths(const char *prefix);
143: const char *path(const char *pathname);
1.1.1.2 root 144:
145: #define qemu_isalnum(c) isalnum((unsigned char)(c))
146: #define qemu_isalpha(c) isalpha((unsigned char)(c))
147: #define qemu_iscntrl(c) iscntrl((unsigned char)(c))
148: #define qemu_isdigit(c) isdigit((unsigned char)(c))
149: #define qemu_isgraph(c) isgraph((unsigned char)(c))
150: #define qemu_islower(c) islower((unsigned char)(c))
151: #define qemu_isprint(c) isprint((unsigned char)(c))
152: #define qemu_ispunct(c) ispunct((unsigned char)(c))
153: #define qemu_isspace(c) isspace((unsigned char)(c))
154: #define qemu_isupper(c) isupper((unsigned char)(c))
155: #define qemu_isxdigit(c) isxdigit((unsigned char)(c))
156: #define qemu_tolower(c) tolower((unsigned char)(c))
157: #define qemu_toupper(c) toupper((unsigned char)(c))
158: #define qemu_isascii(c) isascii((unsigned char)(c))
159: #define qemu_toascii(c) toascii((unsigned char)(c))
160:
161: void *qemu_malloc(size_t size);
162: void *qemu_realloc(void *ptr, size_t size);
163: void *qemu_mallocz(size_t size);
164: void qemu_free(void *ptr);
165: char *qemu_strdup(const char *str);
166: char *qemu_strndup(const char *str, size_t size);
167:
1.1.1.4 root 168: void qemu_mutex_lock_iothread(void);
169: void qemu_mutex_unlock_iothread(void);
170:
171: int qemu_open(const char *name, int flags, ...);
1.1.1.7 ! root 172: ssize_t qemu_write_full(int fd, const void *buf, size_t count)
! 173: QEMU_WARN_UNUSED_RESULT;
1.1.1.4 root 174: void qemu_set_cloexec(int fd);
175:
176: #ifndef _WIN32
1.1.1.7 ! root 177: int qemu_eventfd(int pipefd[2]);
1.1.1.4 root 178: int qemu_pipe(int pipefd[2]);
179: #endif
180:
1.1 root 181: /* Error handling. */
182:
1.1.1.2 root 183: void QEMU_NORETURN hw_error(const char *fmt, ...)
184: __attribute__ ((__format__ (__printf__, 1, 2)));
1.1 root 185:
186: /* IO callbacks. */
187: typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size);
1.1.1.7 ! root 188: typedef int IOCanReadHandler(void *opaque);
1.1 root 189: typedef void IOHandler(void *opaque);
190:
191: struct ParallelIOArg {
192: void *buffer;
193: int count;
194: };
195:
196: typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size);
197:
198: /* A load of opaque types so that device init declarations don't have to
199: pull in all the real definitions. */
200: typedef struct NICInfo NICInfo;
1.1.1.2 root 201: typedef struct HCIInfo HCIInfo;
1.1 root 202: typedef struct AudioState AudioState;
203: typedef struct BlockDriverState BlockDriverState;
204: typedef struct DisplayState DisplayState;
1.1.1.2 root 205: typedef struct DisplayChangeListener DisplayChangeListener;
206: typedef struct DisplaySurface DisplaySurface;
1.1.1.3 root 207: typedef struct DisplayAllocator DisplayAllocator;
1.1.1.2 root 208: typedef struct PixelFormat PixelFormat;
1.1 root 209: typedef struct TextConsole TextConsole;
1.1.1.2 root 210: typedef TextConsole QEMUConsole;
1.1 root 211: typedef struct CharDriverState CharDriverState;
1.1.1.4 root 212: typedef struct MACAddr MACAddr;
1.1 root 213: typedef struct VLANState VLANState;
1.1.1.4 root 214: typedef struct VLANClientState VLANClientState;
1.1 root 215: typedef struct i2c_bus i2c_bus;
216: typedef struct i2c_slave i2c_slave;
217: typedef struct SMBusDevice SMBusDevice;
1.1.1.4 root 218: typedef struct PCIHostState PCIHostState;
219: typedef struct PCIExpressHost PCIExpressHost;
1.1 root 220: typedef struct PCIBus PCIBus;
221: typedef struct PCIDevice PCIDevice;
222: typedef struct SerialState SerialState;
223: typedef struct IRQState *qemu_irq;
1.1.1.3 root 224: typedef struct PCMCIACardState PCMCIACardState;
225: typedef struct MouseTransformInfo MouseTransformInfo;
226: typedef struct uWireSlave uWireSlave;
227: typedef struct I2SCodec I2SCodec;
228: typedef struct SSIBus SSIBus;
1.1.1.7 ! root 229: typedef struct EventNotifier EventNotifier;
! 230: typedef struct VirtIODevice VirtIODevice;
! 231:
! 232: typedef uint64_t pcibus_t;
! 233:
! 234: void cpu_exec_init_all(unsigned long tb_size);
1.1 root 235:
1.1.1.2 root 236: /* CPU save/load. */
237: void cpu_save(QEMUFile *f, void *opaque);
238: int cpu_load(QEMUFile *f, void *opaque, int version_id);
239:
240: /* Force QEMU to stop what it's doing and service IO */
241: void qemu_service_io(void);
242:
1.1.1.3 root 243: /* Force QEMU to process pending events */
244: void qemu_notify_event(void);
245:
246: /* Unblock cpu */
247: void qemu_cpu_kick(void *env);
248: int qemu_cpu_self(void *env);
249:
1.1.1.7 ! root 250: /* work queue */
! 251: struct qemu_work_item {
! 252: struct qemu_work_item *next;
! 253: void (*func)(void *data);
! 254: void *data;
! 255: int done;
! 256: };
! 257:
1.1.1.3 root 258: #ifdef CONFIG_USER_ONLY
259: #define qemu_init_vcpu(env) do { } while (0)
260: #else
261: void qemu_init_vcpu(void *env);
262: #endif
263:
1.1.1.2 root 264: typedef struct QEMUIOVector {
265: struct iovec *iov;
266: int niov;
267: int nalloc;
268: size_t size;
269: } QEMUIOVector;
270:
271: void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint);
1.1.1.3 root 272: void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov);
1.1.1.2 root 273: void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len);
1.1.1.4 root 274: void qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t size);
1.1.1.2 root 275: void qemu_iovec_destroy(QEMUIOVector *qiov);
276: void qemu_iovec_reset(QEMUIOVector *qiov);
277: void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf);
278: void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count);
279:
1.1.1.3 root 280: struct Monitor;
281: typedef struct Monitor Monitor;
282:
1.1.1.4 root 283: /* Convert a byte between binary and BCD. */
284: static inline uint8_t to_bcd(uint8_t val)
285: {
286: return ((val / 10) << 4) | (val % 10);
287: }
288:
289: static inline uint8_t from_bcd(uint8_t val)
290: {
291: return ((val >> 4) * 10) + (val & 0x0f);
292: }
293:
1.1.1.3 root 294: #include "module.h"
295:
1.1.1.2 root 296: #endif /* dyngen-exec.h hack */
297:
1.1 root 298: #endif
unix.superglobalmegacorp.com