thunk.h revision 1.67 1 /* $NetBSD: thunk.h,v 1.67 2019/05/08 13:40:16 isaki Exp $ */
2
3 /*-
4 * Copyright (c) 2011 Jared D. McNeill <jmcneill (at) invisible.ca>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #ifndef _ARCH_USERMODE_INCLUDE_THUNK_H
30 #define _ARCH_USERMODE_INCLUDE_THUNK_H
31
32 #include <sys/types.h>
33 #include <sys/time.h>
34 #include <sys/stat.h>
35 #include <sys/fcntl.h>
36 #include <sys/ucontext.h>
37 #include <sys/signal.h>
38
39 struct thunk_timeval {
40 int64_t tv_sec;
41 int32_t tv_usec;
42 };
43
44 struct thunk_itimerval {
45 struct thunk_timeval it_interval;
46 struct thunk_timeval it_value;
47 };
48
49 struct thunk_termios {
50 uint32_t c_iflag;
51 uint32_t c_oflag;
52 uint32_t c_cflag;
53 uint32_t c_lflag;
54 uint8_t c_cc[20];
55 int32_t c_ispeed;
56 int32_t c_ospeed;
57 };
58
59 #define THUNK_MAP_ANON 0x0001
60 #define THUNK_MAP_FIXED 0x0002
61 #define THUNK_MAP_FILE 0x0004
62 #define THUNK_MAP_SHARED 0x0010
63 #define THUNK_MAP_PRIVATE 0x0020
64
65 #define THUNK_PROT_NONE 0x00
66 #define THUNK_PROT_READ 0x01
67 #define THUNK_PROT_WRITE 0x02
68 #define THUNK_PROT_EXEC 0x04
69
70 #define THUNK_MADV_NORMAL 0x01
71 #define THUNK_MADV_RANDOM 0x02
72 #define THUNK_MADV_SEQUENTIAL 0x04
73 #define THUNK_MADV_WILLNEED 0x08
74 #define THUNK_MADV_DONTNEED 0x10
75 #define THUNK_MADV_FREE 0x20
76
77
78 struct aiocb;
79
80 void thunk_printf_debug(const char *fmt, ...) __attribute__((__format__(__printf__, 1, 2)));
81 void thunk_printf(const char *fmt, ...) __attribute__((__format__(__printf__, 1, 2)));
82
83 int thunk_syscallemu_init(void *, void *);
84
85 int thunk_setitimer(int, const struct thunk_itimerval *, struct thunk_itimerval *);
86 int thunk_gettimeofday(struct thunk_timeval *, void *);
87 unsigned int thunk_getcounter(void);
88 long thunk_clock_getres_monotonic(void);
89 int thunk_usleep(useconds_t);
90
91 timer_t thunk_timer_attach(void);
92 int thunk_timer_start(timer_t, int);
93 int thunk_timer_getoverrun(timer_t);
94
95 void thunk_kill(pid_t pid, int sig);
96 void thunk_exit(int);
97 void thunk_abort(void);
98
99 int thunk_geterrno(void);
100 void thunk_seterrno(int err);
101
102 int thunk_getcontext(ucontext_t *);
103 int thunk_setcontext(const ucontext_t *);
104 void thunk_makecontext(ucontext_t *ucp, void (*func)(void),
105 int nargs, void *arg1, void *arg2, void *arg3, void *arg4);
106 int thunk_swapcontext(ucontext_t *, ucontext_t *);
107
108 int thunk_tcgetattr(int, struct thunk_termios *);
109 int thunk_tcsetattr(int, int, const struct thunk_termios *);
110
111 int thunk_set_stdin_sigio(int);
112 int thunk_pollchar(void);
113 int thunk_getchar(void);
114 void thunk_putchar(int);
115
116 int thunk_execv(const char *, char * const []);
117
118 int thunk_open(const char *, int, mode_t);
119 int thunk_close(int);
120 int thunk_fstat_getsize(int, off_t *, ssize_t *);
121 ssize_t thunk_pread(int, void *, size_t, off_t);
122 ssize_t thunk_pwrite(int, const void *, size_t, off_t);
123 ssize_t thunk_read(int, void *, size_t);
124 ssize_t thunk_write(int, const void *, size_t);
125 int thunk_fsync(int);
126 int thunk_mkstemp(char *);
127 int thunk_unlink(const char *);
128 pid_t thunk_getpid(void);
129
130 int thunk_gdb_open(void);
131 int thunk_gdb_accept(int sockfd);
132 int thunk_kgdb_getc(int fd, char *ch);
133 int thunk_kgdb_putc(int fd, char ch);
134
135 int thunk_sigaction(int, const struct sigaction *, struct sigaction *);
136 int thunk_sigaltstack(const stack_t *, stack_t *);
137 void thunk_signal(int, void (*)(int));
138 int thunk_sigblock(int);
139 int thunk_sigunblock(int);
140 int thunk_sigemptyset(sigset_t *sa_mask);
141 int thunk_sigfillset(sigset_t *sa_mask);
142 void thunk_sigaddset(sigset_t *sa_mask, int sig);
143 int thunk_sigprocmask(int how, const sigset_t * set, sigset_t *oset);
144 int thunk_atexit(void (*function)(void));
145 pid_t thunk_fork(void);
146 int thunk_ioctl(int fd, unsigned long request, void *opaque);
147
148 int thunk_aio_read(struct aiocb *);
149 int thunk_aio_write(struct aiocb *);
150 int thunk_aio_error(const struct aiocb *);
151 int thunk_aio_return(struct aiocb *);
152
153 void * thunk_malloc(size_t len);
154 void thunk_free(void *addr);
155 void * thunk_sbrk(intptr_t len);
156 void * thunk_mmap(void *addr, size_t len, int prot, int flags, int fd, off_t offset);
157 int thunk_munmap(void *addr, size_t len);
158 int thunk_mprotect(void *addr, size_t len, int prot);
159 int thunk_madvise(void *addr, size_t len, int behav);
160 int thunk_posix_memalign(void **, size_t, size_t);
161
162 int thunk_idle(void);
163
164 char * thunk_getenv(const char *);
165 vaddr_t thunk_get_vm_min_address(void);
166
167 int thunk_getcpuinfo(char *, size_t *);
168
169 int thunk_getmachine(char *, size_t, char *, size_t);
170
171 int thunk_setown(int);
172
173 int thunk_open_tap(const char *);
174 int thunk_pollin_tap(int, int);
175 int thunk_pollout_tap(int, int);
176
177 int thunk_assert_presence(vaddr_t from, size_t size);
178
179 typedef struct {
180 unsigned int sample_rate;
181 unsigned int precision;
182 unsigned int validbits;
183 unsigned int channels;
184 } thunk_audio_config_t;
185
186 int thunk_audio_open(const char *);
187 int thunk_audio_close(int);
188 int thunk_audio_config(int, const thunk_audio_config_t *,
189 const thunk_audio_config_t *);
190 int thunk_audio_pollout(int);
191 int thunk_audio_pollin(int);
192 ssize_t thunk_audio_write(int, const void *, size_t);
193 ssize_t thunk_audio_read(int, void *, size_t);
194
195 typedef enum {
196 /* client -> server */
197 THUNK_RFB_SET_PIXEL_FORMAT = 0,
198 THUNK_RFB_SET_ENCODINGS = 2,
199 THUNK_RFB_FRAMEBUFFER_UPDATE_REQUEST = 3,
200 THUNK_RFB_KEY_EVENT = 4,
201 THUNK_RFB_POINTER_EVENT = 5,
202 THUNK_RFB_CLIENT_CUT_TEXT = 6,
203 } thunk_rfb_message_t;
204
205 typedef struct {
206 thunk_rfb_message_t message_type;
207 union {
208 struct {
209 uint8_t down_flag;
210 uint32_t keysym;
211 } key_event;
212 struct {
213 uint8_t button_mask;
214 uint16_t absx;
215 uint16_t absy;
216 } pointer_event;
217 } data;
218 } thunk_rfb_event_t;
219
220
221 typedef struct {
222 uint8_t enc;
223 uint16_t x, y, w, h;
224 uint16_t srcx, srcy;
225 uint8_t pixel[4];
226 } thunk_rfb_update_t;
227 #define THUNK_RFB_TYPE_RAW 0
228 #define THUNK_RFB_TYPE_COPYRECT 1
229 #define THUNK_RFB_TYPE_RRE 2 /* rectangle fill */
230
231 #define THUNK_RFB_QUEUELEN 128
232
233 typedef struct {
234 int sockfd;
235 int clientfd;
236 thunk_rfb_event_t event;
237
238 bool connected;
239
240 uint16_t width;
241 uint16_t height;
242 uint8_t depth;
243 char name[64];
244 uint8_t *framebuf;
245
246 bool schedule_bell;
247 unsigned int nupdates;
248 unsigned int first_mergable;
249 thunk_rfb_update_t update[THUNK_RFB_QUEUELEN];
250 } thunk_rfb_t;
251
252 int thunk_rfb_open(thunk_rfb_t *, uint16_t);
253 int thunk_rfb_poll(thunk_rfb_t *, thunk_rfb_event_t *);
254 void thunk_rfb_bell(thunk_rfb_t *);
255 void thunk_rfb_update(thunk_rfb_t *, int, int, int, int);
256 void thunk_rfb_copyrect(thunk_rfb_t *, int, int, int, int, int, int);
257 void thunk_rfb_fillrect(thunk_rfb_t *, int, int, int, int, uint8_t *);
258
259 #endif /* !_ARCH_USERMODE_INCLUDE_THUNK_H */
260