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faf0796 Split block API from vl.h.
pbrook authored Nov 11, 2007
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 Jan 15, 2010
5 #include "config-host.h"
6
a5e50b2 Replace noreturn with QEMU_NORETURN
malc authored Feb 1, 2009
7 #define QEMU_NORETURN __attribute__ ((__noreturn__))
747bbdf @blueswirl Suppress warnings about 'warn_unused_result' attribute directive
blueswirl authored Oct 18, 2009
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 Jan 14, 2009
13
24ebf5f @bonzini get rid of hostregs_helper.h
bonzini authored Feb 18, 2010
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 Mar 29, 2010
16 typedef struct QEMUTimer QEMUTimer;
17 typedef struct QEMUFile QEMUFile;
18 typedef struct QEMUBH QEMUBH;
92a16d7 @blueswirl apic: qdev conversion cleanup
blueswirl authored Jun 19, 2010
19 typedef struct DeviceState DeviceState;
29e922b @blueswirl Compile qemu-timer only once
blueswirl authored Mar 29, 2010
20
faf0796 Split block API from vl.h.
pbrook authored Nov 11, 2007
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>
1116582 Move stdbool.h
Paul Brook authored Jun 13, 2010
25 #include <stdbool.h>
faf0796 Split block API from vl.h.
pbrook authored Nov 11, 2007
26 #include <string.h>
c890684 Include <strings.h> for ffs().
balrog authored Nov 12, 2008
27 #include <strings.h>
faf0796 Split block API from vl.h.
pbrook authored Nov 11, 2007
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>
5561650 Include assert.h from qemu-common.h
Paul Brook authored May 13, 2009
36 #include <assert.h>
faf0796 Split block API from vl.h.
pbrook authored Nov 11, 2007
37
38 #ifndef O_LARGEFILE
39 #define O_LARGEFILE 0
40 #endif
41 #ifndef O_BINARY
42 #define O_BINARY 0
43 #endif
0e74e66 @juanquintela define MAP_ANONYMOUS if it is not defined in qemu-common.h
juanquintela authored Jul 27, 2009
44 #ifndef MAP_ANONYMOUS
45 #define MAP_ANONYMOUS MAP_ANON
46 #endif
faf0796 Split block API from vl.h.
pbrook authored Nov 11, 2007
47 #ifndef ENOMEDIUM
48 #define ENOMEDIUM ENODEV
49 #endif
4c95538 Define ENOTSUP anywhere it isn't defined
Anthony Liguori authored Jul 28, 2009
50 #if !defined(ENOTSUP)
2880bc3 @juanquintela define ENOTSUP the same that the other errors
juanquintela authored Jul 27, 2009
51 #define ENOTSUP 4096
52 #endif
faf0796 Split block API from vl.h.
pbrook authored Nov 11, 2007
53
6114fdb @juanquintela rename HAVE_IOVEC to CONFIG_IOVEC
juanquintela authored Jul 27, 2009
54 #ifndef CONFIG_IOVEC
55 #define CONFIG_IOVEC
bf9298b Make struct iovec universally available
aliguori authored Dec 5, 2008
56 struct iovec {
57 void *iov_base;
58 size_t iov_len;
59 };
e2a305f block: avoid creating too large iovecs in multiwrite_merge
Christoph Hellwig authored Jan 26, 2010
60 /*
61 * Use the same value as Linux for now.
62 */
63 #define IOV_MAX 1024
331dadd The configure test for struct iovec #includes <sys/uio.h> but qemu-co…
blueswir1 authored Dec 6, 2008
64 #else
65 #include <sys/uio.h>
bf9298b Make struct iovec universally available
aliguori authored Dec 5, 2008
66 #endif
67
9c9e7d5 Move macros GCC_ATTR and GCC_FMT_ATTR to common header file
Stefan Weil authored Sep 21, 2010
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
f868445 Add fprintf_function for function pointers to fprintf-like functions
Stefan Weil authored Oct 22, 2010
84 typedef int (*fprintf_function)(FILE *f, const char *fmt, ...)
85 GCC_FMT_ATTR(2, 3);
86
faf0796 Split block API from vl.h.
pbrook authored Nov 11, 2007
87 #ifdef _WIN32
88 #define fsync _commit
89 #define lseek _lseeki64
90 extern int qemu_ftruncate64(int, int64_t);
91 #define ftruncate qemu_ftruncate64
92
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
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 */
119 typedef void QEMUBHFunc(void *opaque);
120
9a1e948 Introduce contexts for asynchronous callbacks
Kevin Wolf authored Oct 22, 2009
121 void async_context_push(void);
122 void async_context_pop(void);
123 int get_async_context_id(void);
124
faf0796 Split block API from vl.h.
pbrook authored Nov 11, 2007
125 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque);
126 void qemu_bh_schedule(QEMUBH *bh);
80d3580 Clarify qemu_bh_schedule_idle() usage
aliguori authored Oct 31, 2008
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 */
1b435b1 Make bottom halves more robust
aliguori authored Oct 31, 2008
133 void qemu_bh_schedule_idle(QEMUBH *bh);
faf0796 Split block API from vl.h.
pbrook authored Nov 11, 2007
134 void qemu_bh_cancel(QEMUBH *bh);
135 void qemu_bh_delete(QEMUBH *bh);
136 int qemu_bh_poll(void);
4f999d0 Split out bottom halves
Kevin Wolf authored Oct 22, 2009
137 void qemu_bh_update_timeout(int *timeout);
faf0796 Split block API from vl.h.
pbrook authored Nov 11, 2007
138
f650305 Unify RTCs that use host time, fix M48t59 alarm.
balrog authored Feb 17, 2008
139 void qemu_get_timedate(struct tm *tm, int offset);
140 int qemu_timedate_diff(struct tm *tm);
141
faf0796 Split block API from vl.h.
pbrook authored Nov 11, 2007
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);
d43277c @blueswirl Fix missing strnlen problems
blueswirl authored Jul 1, 2009
147 int qemu_strnlen(const char *s, int max_len);
faf0796 Split block API from vl.h.
pbrook authored Nov 11, 2007
148 time_t mktimegm(struct tm *tm);
ad46db9 Rename fls to qemu_fls
blueswir1 authored Dec 11, 2008
149 int qemu_fls(int i);
6f1953c block: use fdatasync instead of fsync if possible
Christoph Hellwig authored Sep 4, 2009
150 int qemu_fdatasync(int fd);
db1a497 @bonzini split out qemu-timer.c
bonzini authored Mar 10, 2010
151 int fcntl_setfl(int fd, int flag);
faf0796 Split block API from vl.h.
pbrook authored Nov 11, 2007
152
3702208 @blueswirl user: compile path.c only once
blueswirl authored Aug 15, 2009
153 /* path.c */
154 void init_paths(const char *prefix);
155 const char *path(const char *pathname);
156
cd39008 Attached patch fixes a series of this warning
blueswir1 authored Nov 16, 2008
157 #define qemu_isalnum(c) isalnum((unsigned char)(c))
158 #define qemu_isalpha(c) isalpha((unsigned char)(c))
159 #define qemu_iscntrl(c) iscntrl((unsigned char)(c))
160 #define qemu_isdigit(c) isdigit((unsigned char)(c))
161 #define qemu_isgraph(c) isgraph((unsigned char)(c))
162 #define qemu_islower(c) islower((unsigned char)(c))
163 #define qemu_isprint(c) isprint((unsigned char)(c))
164 #define qemu_ispunct(c) ispunct((unsigned char)(c))
165 #define qemu_isspace(c) isspace((unsigned char)(c))
166 #define qemu_isupper(c) isupper((unsigned char)(c))
167 #define qemu_isxdigit(c) isxdigit((unsigned char)(c))
168 #define qemu_tolower(c) tolower((unsigned char)(c))
169 #define qemu_toupper(c) toupper((unsigned char)(c))
170 #define qemu_isascii(c) isascii((unsigned char)(c))
171 #define qemu_toascii(c) toascii((unsigned char)(c))
172
ca10f86 Remove osdep.c/qemu-img code duplication
aurel32 authored Apr 11, 2008
173 void *qemu_malloc(size_t size);
2137b4c Add qemu_realloc(), by Gerd Hoffmann.
ths authored Aug 6, 2008
174 void *qemu_realloc(void *ptr, size_t size);
ca10f86 Remove osdep.c/qemu-img code duplication
aurel32 authored Apr 11, 2008
175 void *qemu_mallocz(size_t size);
176 void qemu_free(void *ptr);
177 char *qemu_strdup(const char *str);
ac4b0d0 Add qemu_strndup: qemu_strdup with length limit.
balrog authored Nov 9, 2008
178 char *qemu_strndup(const char *str, size_t size);
ca10f86 Remove osdep.c/qemu-img code duplication
aurel32 authored Apr 11, 2008
179
d549db5 unlock iothread mutex before running kvm ioctl
Glauber Costa authored Oct 7, 2009
180 void qemu_mutex_lock_iothread(void);
181 void qemu_mutex_unlock_iothread(void);
182
40ff6d7 Don't leak file descriptors
Kevin Wolf authored Dec 2, 2009
183 int qemu_open(const char *name, int flags, ...);
7c7c062 @juanquintela force to test result for qemu_write_full()
juanquintela authored Jan 20, 2010
184 ssize_t qemu_write_full(int fd, const void *buf, size_t count)
185 QEMU_WARN_UNUSED_RESULT;
40ff6d7 Don't leak file descriptors
Kevin Wolf authored Dec 2, 2009
186 void qemu_set_cloexec(int fd);
187
188 #ifndef _WIN32
f3dfda6 @bonzini use eventfd for iothread
bonzini authored Feb 11, 2010
189 int qemu_eventfd(int pipefd[2]);
40ff6d7 Don't leak file descriptors
Kevin Wolf authored Dec 2, 2009
190 int qemu_pipe(int pipefd[2]);
191 #endif
192
87ecb68 Break up vl.h.
pbrook authored Nov 17, 2007
193 /* Error handling. */
194
e5924d8 Replace most gcc format attributes by macro GCC_FMT_ATTR (format chec…
Stefan Weil authored Sep 23, 2010
195 void QEMU_NORETURN hw_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
87ecb68 Break up vl.h.
pbrook authored Nov 17, 2007
196
197 /* IO callbacks. */
198 typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size);
7b27a76 @juanquintela rename IOCanRWHandler to IOCanReadHandler
juanquintela authored Mar 11, 2010
199 typedef int IOCanReadHandler(void *opaque);
87ecb68 Break up vl.h.
pbrook authored Nov 17, 2007
200 typedef void IOHandler(void *opaque);
201
202 struct ParallelIOArg {
203 void *buffer;
204 int count;
205 };
206
207 typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size);
208
209 /* A load of opaque types so that device init declarations don't have to
210 pull in all the real definitions. */
211 typedef struct NICInfo NICInfo;
1ae26a1 Add a "null" bluetooth HCI and a header file for bluetooth.
balrog authored Sep 28, 2008
212 typedef struct HCIInfo HCIInfo;
87ecb68 Break up vl.h.
pbrook authored Nov 17, 2007
213 typedef struct AudioState AudioState;
214 typedef struct BlockDriverState BlockDriverState;
2446333 @blueswirl Rearrange block headers
blueswirl authored Aug 24, 2010
215 typedef struct DriveInfo DriveInfo;
87ecb68 Break up vl.h.
pbrook authored Nov 17, 2007
216 typedef struct DisplayState DisplayState;
7d957bd DisplayState interface change (Stefano Stabellini)
aliguori authored Jan 15, 2009
217 typedef struct DisplayChangeListener DisplayChangeListener;
218 typedef struct DisplaySurface DisplaySurface;
7b5d76d DisplayAllocator interface (Stefano Stabellini)
aliguori authored Mar 13, 2009
219 typedef struct DisplayAllocator DisplayAllocator;
7d957bd DisplayState interface change (Stefano Stabellini)
aliguori authored Jan 15, 2009
220 typedef struct PixelFormat PixelFormat;
87ecb68 Break up vl.h.
pbrook authored Nov 17, 2007
221 typedef struct TextConsole TextConsole;
c60e08d Implement resolution switching in common console code.
pbrook authored Jul 1, 2008
222 typedef TextConsole QEMUConsole;
87ecb68 Break up vl.h.
pbrook authored Nov 17, 2007
223 typedef struct CharDriverState CharDriverState;
76d32cb @kraxel net: add macaddr type.
kraxel authored Oct 21, 2009
224 typedef struct MACAddr MACAddr;
87ecb68 Break up vl.h.
pbrook authored Nov 17, 2007
225 typedef struct VLANState VLANState;
f710584 @markmc net: refactor packet queueing code
markmc authored Oct 8, 2009
226 typedef struct VLANClientState VLANClientState;
87ecb68 Break up vl.h.
pbrook authored Nov 17, 2007
227 typedef struct i2c_bus i2c_bus;
228 typedef struct i2c_slave i2c_slave;
229 typedef struct SMBusDevice SMBusDevice;
fb47a2e @yamahata pci: move typedef, PCIHostState, PCIExpressHost to qemu-common.h.
yamahata authored Nov 12, 2009
230 typedef struct PCIHostState PCIHostState;
231 typedef struct PCIExpressHost PCIExpressHost;
87ecb68 Break up vl.h.
pbrook authored Nov 17, 2007
232 typedef struct PCIBus PCIBus;
233 typedef struct PCIDevice PCIDevice;
234 typedef struct SerialState SerialState;
235 typedef struct IRQState *qemu_irq;
bc24a22 Follow coding conventions
Paul Brook authored May 10, 2009
236 typedef struct PCMCIACardState PCMCIACardState;
237 typedef struct MouseTransformInfo MouseTransformInfo;
238 typedef struct uWireSlave uWireSlave;
239 typedef struct I2SCodec I2SCodec;
90d3723 SSP bus framework
Paul Brook authored May 14, 2009
240 typedef struct SSIBus SSIBus;
2292b33 @mstsirkin notifier: event notifier implementation
mstsirkin authored Mar 17, 2010
241 typedef struct EventNotifier EventNotifier;
2be24aa @mstsirkin virtio: move typedef to qemu-common
mstsirkin authored Mar 17, 2010
242 typedef struct VirtIODevice VirtIODevice;
87ecb68 Break up vl.h.
pbrook authored Nov 17, 2007
243
186993e @mstsirkin pci: move pcibus_t to qemu-common
mstsirkin authored Feb 10, 2010
244 typedef uint64_t pcibus_t;
245
2446333 @blueswirl Rearrange block headers
blueswirl authored Aug 24, 2010
246 typedef enum {
247 IF_NONE,
248 IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN,
249 IF_COUNT
250 } BlockInterfaceType;
251
d2053c3 @blueswirl Move cpu_exec_init_all() declaration to qemu-common.h
blueswirl authored Mar 29, 2010
252 void cpu_exec_init_all(unsigned long tb_size);
253
b3c7724 Move CPU save/load registration to common code.
pbrook authored Jun 30, 2008
254 /* CPU save/load. */
255 void cpu_save(QEMUFile *f, void *opaque);
256 int cpu_load(QEMUFile *f, void *opaque, int version_id);
257
9e472e1 Fix IO performance regression in sparc
aliguori authored Oct 8, 2008
258 /* Force QEMU to stop what it's doing and service IO */
259 void qemu_service_io(void);
260
d9f75a4 qemu: create helper for event notification (Marcelo Tosatti)
aliguori authored Apr 24, 2009
261 /* Force QEMU to process pending events */
262 void qemu_notify_event(void);
263
8edac96 qemu: introduce qemu_cpu_kick (Marcelo Tosatti)
aliguori authored Apr 24, 2009
264 /* Unblock cpu */
265 void qemu_cpu_kick(void *env);
266 int qemu_cpu_self(void *env);
267
e82bcec port qemu-kvm's on_vcpu code
Marcelo Tosatti authored May 4, 2010
268 /* work queue */
269 struct qemu_work_item {
270 struct qemu_work_item *next;
271 void (*func)(void *data);
272 void *data;
273 int done;
274 };
275
0bf46a4 qemu: introduce qemu_init_vcpu (Marcelo Tosatti)
aliguori authored Apr 24, 2009
276 #ifdef CONFIG_USER_ONLY
277 #define qemu_init_vcpu(env) do { } while (0)
278 #else
279 void qemu_init_vcpu(void *env);
280 #endif
281
44e3ee8 I/O vector helpers (Avi Kivity)
aliguori authored Jan 22, 2009
282 typedef struct QEMUIOVector {
283 struct iovec *iov;
284 int niov;
285 int nalloc;
249aa74 qemu iovec: keep track of total size, allow partial copies (Gerd Hoff…
aliguori authored Jan 26, 2009
286 size_t size;
44e3ee8 I/O vector helpers (Avi Kivity)
aliguori authored Jan 22, 2009
287 } QEMUIOVector;
288
289 void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint);
522584a add qemu_iovec_init_external (Christoph Hellwig)
aliguori authored Mar 28, 2009
290 void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov);
44e3ee8 I/O vector helpers (Avi Kivity)
aliguori authored Jan 22, 2009
291 void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len);
b8a83a4 cutils: qemu_iovec_copy and qemu_iovec_memset
Kevin Wolf authored Sep 13, 2010
292 void qemu_iovec_copy(QEMUIOVector *dst, QEMUIOVector *src, uint64_t skip,
293 size_t size);
40b4f53 Add bdrv_aio_multiwrite
Kevin Wolf authored Sep 9, 2009
294 void qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t size);
44e3ee8 I/O vector helpers (Avi Kivity)
aliguori authored Jan 22, 2009
295 void qemu_iovec_destroy(QEMUIOVector *qiov);
be95946 Add qemu_iovec_reset() (Avi Kivity)
aliguori authored Feb 5, 2009
296 void qemu_iovec_reset(QEMUIOVector *qiov);
44e3ee8 I/O vector helpers (Avi Kivity)
aliguori authored Jan 22, 2009
297 void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf);
249aa74 qemu iovec: keep track of total size, allow partial copies (Gerd Hoff…
aliguori authored Jan 26, 2009
298 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 Sep 13, 2010
299 void qemu_iovec_memset(QEMUIOVector *qiov, int c, size_t count);
44e3ee8 I/O vector helpers (Avi Kivity)
aliguori authored Jan 22, 2009
300
376253e monitor: Rework API (Jan Kiszka)
aliguori authored Mar 5, 2009
301 struct Monitor;
302 typedef struct Monitor Monitor;
303
abd0c6b BCD cleanup
Paul Brook authored Nov 20, 2009
304 /* Convert a byte between binary and BCD. */
305 static inline uint8_t to_bcd(uint8_t val)
306 {
307 return ((val / 10) << 4) | (val % 10);
308 }
309
310 static inline uint8_t from_bcd(uint8_t val)
311 {
312 return ((val >> 4) * 10) + (val & 0x0f);
313 }
314
338b922 @moosotc Mov muldiv64 to qemu-common.h (Thus unbreaking gus)
moosotc authored Oct 30, 2010
315 /* compute with 96 bit intermediate result: (a*b)/c */
316 static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
317 {
318 union {
319 uint64_t ll;
320 struct {
321 #ifdef HOST_WORDS_BIGENDIAN
322 uint32_t high, low;
323 #else
324 uint32_t low, high;
325 #endif
326 } l;
327 } u, res;
328 uint64_t rl, rh;
329
330 u.ll = a;
331 rl = (uint64_t)u.l.low * (uint64_t)b;
332 rh = (uint64_t)u.l.high * (uint64_t)b;
333 rh += (rl >> 32);
334 res.l.high = rh / c;
335 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
336 return res.ll;
337 }
338
0bfe3ca Constructor support
Anthony Liguori authored May 14, 2009
339 #include "module.h"
340
faf0796 Split block API from vl.h.
pbrook authored Nov 11, 2007
341 #endif
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