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faf0796 Split block API from vl.h.
pbrook authored
1 /* Common header file that is included by all of qemu. */
2 #ifndef QEMU_COMMON_H
3 #define QEMU_COMMON_H
4
beb6f0d Fix QEMU_WARN_UNUSED_RESULT
Kevin Wolf authored
5 #include "config-host.h"
6
a5e50b2 Replace noreturn with QEMU_NORETURN
malc authored
7 #define QEMU_NORETURN __attribute__ ((__noreturn__))
747bbdf @blueswirl Suppress warnings about 'warn_unused_result' attribute directive
blueswirl authored
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
7d99a00 Add noreturn function attribute
blueswir1 authored
13
24ebf5f @bonzini get rid of hostregs_helper.h
bonzini authored
14 #define QEMU_BUILD_BUG_ON(x) typedef char __build_bug_on__##__LINE__[(x)?-1:1];
15
29e922b @blueswirl Compile qemu-timer only once
blueswirl authored
16 typedef struct QEMUTimer QEMUTimer;
17 typedef struct QEMUFile QEMUFile;
18 typedef struct QEMUBH QEMUBH;
92a16d7 @blueswirl apic: qdev conversion cleanup
blueswirl authored
19 typedef struct DeviceState DeviceState;
29e922b @blueswirl Compile qemu-timer only once
blueswirl authored
20
a5e50b2 Replace noreturn with QEMU_NORETURN
malc authored
21 /* Hack around the mess dyngen-exec.h causes: We need QEMU_NORETURN in files that
7d99a00 Add noreturn function attribute
blueswir1 authored
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
faf0796 Split block API from vl.h.
pbrook authored
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>
1116582 Move stdbool.h
Paul Brook authored
30 #include <stdbool.h>
faf0796 Split block API from vl.h.
pbrook authored
31 #include <string.h>
c890684 Include <strings.h> for ffs().
balrog authored
32 #include <strings.h>
faf0796 Split block API from vl.h.
pbrook authored
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>
5561650 Include assert.h from qemu-common.h
Paul Brook authored
41 #include <assert.h>
faf0796 Split block API from vl.h.
pbrook authored
42
43 #ifndef O_LARGEFILE
44 #define O_LARGEFILE 0
45 #endif
46 #ifndef O_BINARY
47 #define O_BINARY 0
48 #endif
0e74e66 @juanquintela define MAP_ANONYMOUS if it is not defined in qemu-common.h
juanquintela authored
49 #ifndef MAP_ANONYMOUS
50 #define MAP_ANONYMOUS MAP_ANON
51 #endif
faf0796 Split block API from vl.h.
pbrook authored
52 #ifndef ENOMEDIUM
53 #define ENOMEDIUM ENODEV
54 #endif
4c95538 Define ENOTSUP anywhere it isn't defined
Anthony Liguori authored
55 #if !defined(ENOTSUP)
2880bc3 @juanquintela define ENOTSUP the same that the other errors
juanquintela authored
56 #define ENOTSUP 4096
57 #endif
faf0796 Split block API from vl.h.
pbrook authored
58
6114fdb @juanquintela rename HAVE_IOVEC to CONFIG_IOVEC
juanquintela authored
59 #ifndef CONFIG_IOVEC
60 #define CONFIG_IOVEC
bf9298b Make struct iovec universally available
aliguori authored
61 struct iovec {
62 void *iov_base;
63 size_t iov_len;
64 };
e2a305f block: avoid creating too large iovecs in multiwrite_merge
Christoph Hellwig authored
65 /*
66 * Use the same value as Linux for now.
67 */
68 #define IOV_MAX 1024
331dadd The configure test for struct iovec #includes <sys/uio.h> but qemu-co…
blueswir1 authored
69 #else
70 #include <sys/uio.h>
bf9298b Make struct iovec universally available
aliguori authored
71 #endif
72
9c9e7d5 Move macros GCC_ATTR and GCC_FMT_ATTR to common header file
Stefan Weil authored
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
faf0796 Split block API from vl.h.
pbrook authored
89 #ifdef _WIN32
90 #define fsync _commit
91 #define lseek _lseeki64
92 extern int qemu_ftruncate64(int, int64_t);
93 #define ftruncate qemu_ftruncate64
94
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
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 */
121 typedef void QEMUBHFunc(void *opaque);
122
9a1e948 Introduce contexts for asynchronous callbacks
Kevin Wolf authored
123 void async_context_push(void);
124 void async_context_pop(void);
125 int get_async_context_id(void);
126
faf0796 Split block API from vl.h.
pbrook authored
127 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque);
128 void qemu_bh_schedule(QEMUBH *bh);
80d3580 Clarify qemu_bh_schedule_idle() usage
aliguori authored
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 */
1b435b1 Make bottom halves more robust
aliguori authored
135 void qemu_bh_schedule_idle(QEMUBH *bh);
faf0796 Split block API from vl.h.
pbrook authored
136 void qemu_bh_cancel(QEMUBH *bh);
137 void qemu_bh_delete(QEMUBH *bh);
138 int qemu_bh_poll(void);
4f999d0 Split out bottom halves
Kevin Wolf authored
139 void qemu_bh_update_timeout(int *timeout);
faf0796 Split block API from vl.h.
pbrook authored
140
87ecb68 Break up vl.h.
pbrook authored
141 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c);
142
f650305 Unify RTCs that use host time, fix M48t59 alarm.
balrog authored
143 void qemu_get_timedate(struct tm *tm, int offset);
144 int qemu_timedate_diff(struct tm *tm);
145
faf0796 Split block API from vl.h.
pbrook authored
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);
d43277c @blueswirl Fix missing strnlen problems
blueswirl authored
151 int qemu_strnlen(const char *s, int max_len);
faf0796 Split block API from vl.h.
pbrook authored
152 time_t mktimegm(struct tm *tm);
ad46db9 Rename fls to qemu_fls
blueswir1 authored
153 int qemu_fls(int i);
6f1953c block: use fdatasync instead of fsync if possible
Christoph Hellwig authored
154 int qemu_fdatasync(int fd);
db1a497 @bonzini split out qemu-timer.c
bonzini authored
155 int fcntl_setfl(int fd, int flag);
faf0796 Split block API from vl.h.
pbrook authored
156
3702208 @blueswirl user: compile path.c only once
blueswirl authored
157 /* path.c */
158 void init_paths(const char *prefix);
159 const char *path(const char *pathname);
160
cd39008 Attached patch fixes a series of this warning
blueswir1 authored
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
ca10f86 Remove osdep.c/qemu-img code duplication
aurel32 authored
177 void *qemu_malloc(size_t size);
2137b4c Add qemu_realloc(), by Gerd Hoffmann.
ths authored
178 void *qemu_realloc(void *ptr, size_t size);
ca10f86 Remove osdep.c/qemu-img code duplication
aurel32 authored
179 void *qemu_mallocz(size_t size);
180 void qemu_free(void *ptr);
181 char *qemu_strdup(const char *str);
ac4b0d0 Add qemu_strndup: qemu_strdup with length limit.
balrog authored
182 char *qemu_strndup(const char *str, size_t size);
ca10f86 Remove osdep.c/qemu-img code duplication
aurel32 authored
183
d549db5 unlock iothread mutex before running kvm ioctl
Glauber Costa authored
184 void qemu_mutex_lock_iothread(void);
185 void qemu_mutex_unlock_iothread(void);
186
40ff6d7 Don't leak file descriptors
Kevin Wolf authored
187 int qemu_open(const char *name, int flags, ...);
7c7c062 @juanquintela force to test result for qemu_write_full()
juanquintela authored
188 ssize_t qemu_write_full(int fd, const void *buf, size_t count)
189 QEMU_WARN_UNUSED_RESULT;
40ff6d7 Don't leak file descriptors
Kevin Wolf authored
190 void qemu_set_cloexec(int fd);
191
192 #ifndef _WIN32
f3dfda6 @bonzini use eventfd for iothread
bonzini authored
193 int qemu_eventfd(int pipefd[2]);
40ff6d7 Don't leak file descriptors
Kevin Wolf authored
194 int qemu_pipe(int pipefd[2]);
195 #endif
196
87ecb68 Break up vl.h.
pbrook authored
197 /* Error handling. */
198
a5e50b2 Replace noreturn with QEMU_NORETURN
malc authored
199 void QEMU_NORETURN hw_error(const char *fmt, ...)
7d99a00 Add noreturn function attribute
blueswir1 authored
200 __attribute__ ((__format__ (__printf__, 1, 2)));
87ecb68 Break up vl.h.
pbrook authored
201
202 /* IO callbacks. */
203 typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size);
7b27a76 @juanquintela rename IOCanRWHandler to IOCanReadHandler
juanquintela authored
204 typedef int IOCanReadHandler(void *opaque);
87ecb68 Break up vl.h.
pbrook authored
205 typedef void IOHandler(void *opaque);
206
207 struct ParallelIOArg {
208 void *buffer;
209 int count;
210 };
211
212 typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size);
213
214 /* A load of opaque types so that device init declarations don't have to
215 pull in all the real definitions. */
216 typedef struct NICInfo NICInfo;
1ae26a1 Add a "null" bluetooth HCI and a header file for bluetooth.
balrog authored
217 typedef struct HCIInfo HCIInfo;
87ecb68 Break up vl.h.
pbrook authored
218 typedef struct AudioState AudioState;
219 typedef struct BlockDriverState BlockDriverState;
2446333 @blueswirl Rearrange block headers
blueswirl authored
220 typedef struct DriveInfo DriveInfo;
87ecb68 Break up vl.h.
pbrook authored
221 typedef struct DisplayState DisplayState;
7d957bd DisplayState interface change (Stefano Stabellini)
aliguori authored
222 typedef struct DisplayChangeListener DisplayChangeListener;
223 typedef struct DisplaySurface DisplaySurface;
7b5d76d DisplayAllocator interface (Stefano Stabellini)
aliguori authored
224 typedef struct DisplayAllocator DisplayAllocator;
7d957bd DisplayState interface change (Stefano Stabellini)
aliguori authored
225 typedef struct PixelFormat PixelFormat;
87ecb68 Break up vl.h.
pbrook authored
226 typedef struct TextConsole TextConsole;
c60e08d Implement resolution switching in common console code.
pbrook authored
227 typedef TextConsole QEMUConsole;
87ecb68 Break up vl.h.
pbrook authored
228 typedef struct CharDriverState CharDriverState;
76d32cb @kraxel net: add macaddr type.
kraxel authored
229 typedef struct MACAddr MACAddr;
87ecb68 Break up vl.h.
pbrook authored
230 typedef struct VLANState VLANState;
f710584 @markmc net: refactor packet queueing code
markmc authored
231 typedef struct VLANClientState VLANClientState;
87ecb68 Break up vl.h.
pbrook authored
232 typedef struct i2c_bus i2c_bus;
233 typedef struct i2c_slave i2c_slave;
234 typedef struct SMBusDevice SMBusDevice;
fb47a2e @yamahata pci: move typedef, PCIHostState, PCIExpressHost to qemu-common.h.
yamahata authored
235 typedef struct PCIHostState PCIHostState;
236 typedef struct PCIExpressHost PCIExpressHost;
87ecb68 Break up vl.h.
pbrook authored
237 typedef struct PCIBus PCIBus;
238 typedef struct PCIDevice PCIDevice;
239 typedef struct SerialState SerialState;
240 typedef struct IRQState *qemu_irq;
bc24a22 Follow coding conventions
Paul Brook authored
241 typedef struct PCMCIACardState PCMCIACardState;
242 typedef struct MouseTransformInfo MouseTransformInfo;
243 typedef struct uWireSlave uWireSlave;
244 typedef struct I2SCodec I2SCodec;
90d3723 SSP bus framework
Paul Brook authored
245 typedef struct SSIBus SSIBus;
2292b33 @mstsirkin notifier: event notifier implementation
mstsirkin authored
246 typedef struct EventNotifier EventNotifier;
2be24aa @mstsirkin virtio: move typedef to qemu-common
mstsirkin authored
247 typedef struct VirtIODevice VirtIODevice;
87ecb68 Break up vl.h.
pbrook authored
248
186993e @mstsirkin pci: move pcibus_t to qemu-common
mstsirkin authored
249 typedef uint64_t pcibus_t;
250
2446333 @blueswirl Rearrange block headers
blueswirl authored
251 typedef enum {
252 IF_NONE,
253 IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN,
254 IF_COUNT
255 } BlockInterfaceType;
256
d2053c3 @blueswirl Move cpu_exec_init_all() declaration to qemu-common.h
blueswirl authored
257 void cpu_exec_init_all(unsigned long tb_size);
258
b3c7724 Move CPU save/load registration to common code.
pbrook authored
259 /* CPU save/load. */
260 void cpu_save(QEMUFile *f, void *opaque);
261 int cpu_load(QEMUFile *f, void *opaque, int version_id);
262
9e472e1 Fix IO performance regression in sparc
aliguori authored
263 /* Force QEMU to stop what it's doing and service IO */
264 void qemu_service_io(void);
265
d9f75a4 qemu: create helper for event notification (Marcelo Tosatti)
aliguori authored
266 /* Force QEMU to process pending events */
267 void qemu_notify_event(void);
268
8edac96 qemu: introduce qemu_cpu_kick (Marcelo Tosatti)
aliguori authored
269 /* Unblock cpu */
270 void qemu_cpu_kick(void *env);
271 int qemu_cpu_self(void *env);
272
e82bcec port qemu-kvm's on_vcpu code
Marcelo Tosatti authored
273 /* work queue */
274 struct qemu_work_item {
275 struct qemu_work_item *next;
276 void (*func)(void *data);
277 void *data;
278 int done;
279 };
280
0bf46a4 qemu: introduce qemu_init_vcpu (Marcelo Tosatti)
aliguori authored
281 #ifdef CONFIG_USER_ONLY
282 #define qemu_init_vcpu(env) do { } while (0)
283 #else
284 void qemu_init_vcpu(void *env);
285 #endif
286
44e3ee8 I/O vector helpers (Avi Kivity)
aliguori authored
287 typedef struct QEMUIOVector {
288 struct iovec *iov;
289 int niov;
290 int nalloc;
249aa74 qemu iovec: keep track of total size, allow partial copies (Gerd Hoff…
aliguori authored
291 size_t size;
44e3ee8 I/O vector helpers (Avi Kivity)
aliguori authored
292 } QEMUIOVector;
293
294 void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint);
522584a add qemu_iovec_init_external (Christoph Hellwig)
aliguori authored
295 void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov);
44e3ee8 I/O vector helpers (Avi Kivity)
aliguori authored
296 void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len);
b8a83a4 cutils: qemu_iovec_copy and qemu_iovec_memset
Kevin Wolf authored
297 void qemu_iovec_copy(QEMUIOVector *dst, QEMUIOVector *src, uint64_t skip,
298 size_t size);
40b4f53 Add bdrv_aio_multiwrite
Kevin Wolf authored
299 void qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t size);
44e3ee8 I/O vector helpers (Avi Kivity)
aliguori authored
300 void qemu_iovec_destroy(QEMUIOVector *qiov);
be95946 Add qemu_iovec_reset() (Avi Kivity)
aliguori authored
301 void qemu_iovec_reset(QEMUIOVector *qiov);
44e3ee8 I/O vector helpers (Avi Kivity)
aliguori authored
302 void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf);
249aa74 qemu iovec: keep track of total size, allow partial copies (Gerd Hoff…
aliguori authored
303 void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count);
b8a83a4 cutils: qemu_iovec_copy and qemu_iovec_memset
Kevin Wolf authored
304 void qemu_iovec_memset(QEMUIOVector *qiov, int c, size_t count);
44e3ee8 I/O vector helpers (Avi Kivity)
aliguori authored
305
376253e monitor: Rework API (Jan Kiszka)
aliguori authored
306 struct Monitor;
307 typedef struct Monitor Monitor;
308
abd0c6b BCD cleanup
Paul Brook authored
309 /* Convert a byte between binary and BCD. */
310 static inline uint8_t to_bcd(uint8_t val)
311 {
312 return ((val / 10) << 4) | (val % 10);
313 }
314
315 static inline uint8_t from_bcd(uint8_t val)
316 {
317 return ((val >> 4) * 10) + (val & 0x0f);
318 }
319
0bfe3ca Constructor support
Anthony Liguori authored
320 #include "module.h"
321
7d99a00 Add noreturn function attribute
blueswir1 authored
322 #endif /* dyngen-exec.h hack */
323
faf0796 Split block API from vl.h.
pbrook authored
324 #endif
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