root / hw / hw.h @ cd5158ea
History | View | Annotate | Download (7.1 kB)
1 |
/* Declarations for use by hardware emulation. */
|
---|---|
2 |
#ifndef QEMU_HW_H
|
3 |
#define QEMU_HW_H
|
4 |
|
5 |
#include "qemu-common.h" |
6 |
#include "irq.h" |
7 |
|
8 |
/* VM Load/Save */
|
9 |
|
10 |
/* This function writes a chunk of data to a file at the given position.
|
11 |
* The pos argument can be ignored if the file is only being used for
|
12 |
* streaming. The handler should try to write all of the data it can.
|
13 |
*/
|
14 |
typedef int (QEMUFilePutBufferFunc)(void *opaque, const uint8_t *buf, |
15 |
int64_t pos, int size);
|
16 |
|
17 |
/* Read a chunk of data from a file at the given position. The pos argument
|
18 |
* can be ignored if the file is only be used for streaming. The number of
|
19 |
* bytes actually read should be returned.
|
20 |
*/
|
21 |
typedef int (QEMUFileGetBufferFunc)(void *opaque, uint8_t *buf, |
22 |
int64_t pos, int size);
|
23 |
|
24 |
/* Close a file and return an error code */
|
25 |
typedef int (QEMUFileCloseFunc)(void *opaque); |
26 |
|
27 |
/* Called to determine if the file has exceeded it's bandwidth allocation. The
|
28 |
* bandwidth capping is a soft limit, not a hard limit.
|
29 |
*/
|
30 |
typedef int (QEMUFileRateLimit)(void *opaque); |
31 |
|
32 |
QEMUFile *qemu_fopen_ops(void *opaque, QEMUFilePutBufferFunc *put_buffer,
|
33 |
QEMUFileGetBufferFunc *get_buffer, |
34 |
QEMUFileCloseFunc *close, |
35 |
QEMUFileRateLimit *rate_limit); |
36 |
QEMUFile *qemu_fopen(const char *filename, const char *mode); |
37 |
QEMUFile *qemu_fopen_socket(int fd);
|
38 |
QEMUFile *qemu_popen(FILE *popen_file, const char *mode); |
39 |
QEMUFile *qemu_popen_cmd(const char *command, const char *mode); |
40 |
void qemu_fflush(QEMUFile *f);
|
41 |
int qemu_fclose(QEMUFile *f);
|
42 |
void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size); |
43 |
void qemu_put_byte(QEMUFile *f, int v); |
44 |
|
45 |
static inline void qemu_put_ubyte(QEMUFile *f, unsigned int v) |
46 |
{ |
47 |
qemu_put_byte(f, (int)v);
|
48 |
} |
49 |
|
50 |
#define qemu_put_sbyte qemu_put_byte
|
51 |
|
52 |
void qemu_put_be16(QEMUFile *f, unsigned int v); |
53 |
void qemu_put_be32(QEMUFile *f, unsigned int v); |
54 |
void qemu_put_be64(QEMUFile *f, uint64_t v);
|
55 |
int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size); |
56 |
int qemu_get_byte(QEMUFile *f);
|
57 |
|
58 |
static inline unsigned int qemu_get_ubyte(QEMUFile *f) |
59 |
{ |
60 |
return (unsigned int)qemu_get_byte(f); |
61 |
} |
62 |
|
63 |
#define qemu_get_sbyte qemu_get_byte
|
64 |
|
65 |
unsigned int qemu_get_be16(QEMUFile *f); |
66 |
unsigned int qemu_get_be32(QEMUFile *f); |
67 |
uint64_t qemu_get_be64(QEMUFile *f); |
68 |
int qemu_file_rate_limit(QEMUFile *f);
|
69 |
int qemu_file_has_error(QEMUFile *f);
|
70 |
|
71 |
/* Try to send any outstanding data. This function is useful when output is
|
72 |
* halted due to rate limiting or EAGAIN errors occur as it can be used to
|
73 |
* resume output. */
|
74 |
void qemu_file_put_notify(QEMUFile *f);
|
75 |
|
76 |
static inline void qemu_put_be64s(QEMUFile *f, const uint64_t *pv) |
77 |
{ |
78 |
qemu_put_be64(f, *pv); |
79 |
} |
80 |
|
81 |
static inline void qemu_put_be32s(QEMUFile *f, const uint32_t *pv) |
82 |
{ |
83 |
qemu_put_be32(f, *pv); |
84 |
} |
85 |
|
86 |
static inline void qemu_put_be16s(QEMUFile *f, const uint16_t *pv) |
87 |
{ |
88 |
qemu_put_be16(f, *pv); |
89 |
} |
90 |
|
91 |
static inline void qemu_put_8s(QEMUFile *f, const uint8_t *pv) |
92 |
{ |
93 |
qemu_put_byte(f, *pv); |
94 |
} |
95 |
|
96 |
static inline void qemu_get_be64s(QEMUFile *f, uint64_t *pv) |
97 |
{ |
98 |
*pv = qemu_get_be64(f); |
99 |
} |
100 |
|
101 |
static inline void qemu_get_be32s(QEMUFile *f, uint32_t *pv) |
102 |
{ |
103 |
*pv = qemu_get_be32(f); |
104 |
} |
105 |
|
106 |
static inline void qemu_get_be16s(QEMUFile *f, uint16_t *pv) |
107 |
{ |
108 |
*pv = qemu_get_be16(f); |
109 |
} |
110 |
|
111 |
static inline void qemu_get_8s(QEMUFile *f, uint8_t *pv) |
112 |
{ |
113 |
*pv = qemu_get_byte(f); |
114 |
} |
115 |
|
116 |
// Signed versions for type safety
|
117 |
static inline void qemu_put_sbuffer(QEMUFile *f, const int8_t *buf, int size) |
118 |
{ |
119 |
qemu_put_buffer(f, (const uint8_t *)buf, size);
|
120 |
} |
121 |
|
122 |
static inline void qemu_put_sbe16(QEMUFile *f, int v) |
123 |
{ |
124 |
qemu_put_be16(f, (unsigned int)v); |
125 |
} |
126 |
|
127 |
static inline void qemu_put_sbe32(QEMUFile *f, int v) |
128 |
{ |
129 |
qemu_put_be32(f, (unsigned int)v); |
130 |
} |
131 |
|
132 |
static inline void qemu_put_sbe64(QEMUFile *f, int64_t v) |
133 |
{ |
134 |
qemu_put_be64(f, (uint64_t)v); |
135 |
} |
136 |
|
137 |
static inline size_t qemu_get_sbuffer(QEMUFile *f, int8_t *buf, int size) |
138 |
{ |
139 |
return qemu_get_buffer(f, (uint8_t *)buf, size);
|
140 |
} |
141 |
|
142 |
static inline int qemu_get_sbe16(QEMUFile *f) |
143 |
{ |
144 |
return (int)qemu_get_be16(f); |
145 |
} |
146 |
|
147 |
static inline int qemu_get_sbe32(QEMUFile *f) |
148 |
{ |
149 |
return (int)qemu_get_be32(f); |
150 |
} |
151 |
|
152 |
static inline int64_t qemu_get_sbe64(QEMUFile *f) |
153 |
{ |
154 |
return (int64_t)qemu_get_be64(f);
|
155 |
} |
156 |
|
157 |
static inline void qemu_put_s8s(QEMUFile *f, const int8_t *pv) |
158 |
{ |
159 |
qemu_put_8s(f, (const uint8_t *)pv);
|
160 |
} |
161 |
|
162 |
static inline void qemu_put_sbe16s(QEMUFile *f, const int16_t *pv) |
163 |
{ |
164 |
qemu_put_be16s(f, (const uint16_t *)pv);
|
165 |
} |
166 |
|
167 |
static inline void qemu_put_sbe32s(QEMUFile *f, const int32_t *pv) |
168 |
{ |
169 |
qemu_put_be32s(f, (const uint32_t *)pv);
|
170 |
} |
171 |
|
172 |
static inline void qemu_put_sbe64s(QEMUFile *f, const int64_t *pv) |
173 |
{ |
174 |
qemu_put_be64s(f, (const uint64_t *)pv);
|
175 |
} |
176 |
|
177 |
static inline void qemu_get_s8s(QEMUFile *f, int8_t *pv) |
178 |
{ |
179 |
qemu_get_8s(f, (uint8_t *)pv); |
180 |
} |
181 |
|
182 |
static inline void qemu_get_sbe16s(QEMUFile *f, int16_t *pv) |
183 |
{ |
184 |
qemu_get_be16s(f, (uint16_t *)pv); |
185 |
} |
186 |
|
187 |
static inline void qemu_get_sbe32s(QEMUFile *f, int32_t *pv) |
188 |
{ |
189 |
qemu_get_be32s(f, (uint32_t *)pv); |
190 |
} |
191 |
|
192 |
static inline void qemu_get_sbe64s(QEMUFile *f, int64_t *pv) |
193 |
{ |
194 |
qemu_get_be64s(f, (uint64_t *)pv); |
195 |
} |
196 |
|
197 |
#ifdef NEED_CPU_H
|
198 |
#if TARGET_LONG_BITS == 64 |
199 |
#define qemu_put_betl qemu_put_be64
|
200 |
#define qemu_get_betl qemu_get_be64
|
201 |
#define qemu_put_betls qemu_put_be64s
|
202 |
#define qemu_get_betls qemu_get_be64s
|
203 |
#define qemu_put_sbetl qemu_put_sbe64
|
204 |
#define qemu_get_sbetl qemu_get_sbe64
|
205 |
#define qemu_put_sbetls qemu_put_sbe64s
|
206 |
#define qemu_get_sbetls qemu_get_sbe64s
|
207 |
#else
|
208 |
#define qemu_put_betl qemu_put_be32
|
209 |
#define qemu_get_betl qemu_get_be32
|
210 |
#define qemu_put_betls qemu_put_be32s
|
211 |
#define qemu_get_betls qemu_get_be32s
|
212 |
#define qemu_put_sbetl qemu_put_sbe32
|
213 |
#define qemu_get_sbetl qemu_get_sbe32
|
214 |
#define qemu_put_sbetls qemu_put_sbe32s
|
215 |
#define qemu_get_sbetls qemu_get_sbe32s
|
216 |
#endif
|
217 |
#endif
|
218 |
|
219 |
int64_t qemu_ftell(QEMUFile *f); |
220 |
int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence);
|
221 |
|
222 |
typedef void SaveStateHandler(QEMUFile *f, void *opaque); |
223 |
typedef int SaveLiveStateHandler(QEMUFile *f, int stage, void *opaque); |
224 |
typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id); |
225 |
|
226 |
int register_savevm(const char *idstr, |
227 |
int instance_id,
|
228 |
int version_id,
|
229 |
SaveStateHandler *save_state, |
230 |
LoadStateHandler *load_state, |
231 |
void *opaque);
|
232 |
|
233 |
int register_savevm_live(const char *idstr, |
234 |
int instance_id,
|
235 |
int version_id,
|
236 |
SaveLiveStateHandler *save_live_state, |
237 |
SaveStateHandler *save_state, |
238 |
LoadStateHandler *load_state, |
239 |
void *opaque);
|
240 |
|
241 |
typedef void QEMUResetHandler(void *opaque); |
242 |
|
243 |
void qemu_register_reset(QEMUResetHandler *func, void *opaque); |
244 |
|
245 |
/* handler to set the boot_device for a specific type of QEMUMachine */
|
246 |
/* return 0 if success */
|
247 |
typedef int QEMUBootSetHandler(void *opaque, const char *boot_device); |
248 |
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque); |
249 |
|
250 |
/* These should really be in isa.h, but are here to make pc.h happy. */
|
251 |
typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data); |
252 |
typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address); |
253 |
|
254 |
#endif
|