thunk.h revision 1.64 1 /* $NetBSD: thunk.h,v 1.64 2018/06/01 08:04:57 reinoud 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_exit(int);
96 void thunk_abort(void);
97
98 int thunk_geterrno(void);
99 void thunk_seterrno(int err);
100
101 int thunk_getcontext(ucontext_t *);
102 int thunk_setcontext(const ucontext_t *);
103 void thunk_makecontext(ucontext_t *ucp, void (*func)(void),
104 int nargs, void *arg1, void *arg2, void *arg3, void *arg4);
105 int thunk_swapcontext(ucontext_t *, ucontext_t *);
106
107 int thunk_tcgetattr(int, struct thunk_termios *);
108 int thunk_tcsetattr(int, int, const struct thunk_termios *);
109
110 int thunk_set_stdin_sigio(int);
111 int thunk_pollchar(void);
112 int thunk_getchar(void);
113 void thunk_putchar(int);
114
115 int thunk_execv(const char *, char * const []);
116
117 int thunk_open(const char *, int, mode_t);
118 int thunk_close(int);
119 int thunk_fstat_getsize(int, off_t *, ssize_t *);
120 ssize_t thunk_pread(int, void *, size_t, off_t);
121 ssize_t thunk_pwrite(int, const void *, size_t, off_t);
122 ssize_t thunk_read(int, void *, size_t);
123 ssize_t thunk_write(int, const void *, size_t);
124 int thunk_fsync(int);
125 int thunk_mkstemp(char *);
126 int thunk_unlink(const char *);
127 pid_t thunk_getpid(void);
128
129 int thunk_sigaction(int, const struct sigaction *, struct sigaction *);
130 int thunk_sigaltstack(const stack_t *, stack_t *);
131 void thunk_signal(int, void (*)(int));
132 int thunk_sigblock(int);
133 int thunk_sigunblock(int);
134 int thunk_sigemptyset(sigset_t *sa_mask);
135 int thunk_sigfillset(sigset_t *sa_mask);
136 void thunk_sigaddset(sigset_t *sa_mask, int sig);
137 int thunk_sigprocmask(int how, const sigset_t * set, sigset_t *oset);
138 int thunk_atexit(void (*function)(void));
139
140 int thunk_aio_read(struct aiocb *);
141 int thunk_aio_write(struct aiocb *);
142 int thunk_aio_error(const struct aiocb *);
143 int thunk_aio_return(struct aiocb *);
144
145 void * thunk_malloc(size_t len);
146 void thunk_free(void *addr);
147 void * thunk_sbrk(intptr_t len);
148 void * thunk_mmap(void *addr, size_t len, int prot, int flags, int fd, off_t offset);
149 int thunk_munmap(void *addr, size_t len);
150 int thunk_mprotect(void *addr, size_t len, int prot);
151 int thunk_madvise(void *addr, size_t len, int behav);
152 int thunk_posix_memalign(void **, size_t, size_t);
153
154 int thunk_idle(void);
155
156 char * thunk_getenv(const char *);
157 vaddr_t thunk_get_vm_min_address(void);
158
159 int thunk_getcpuinfo(char *, size_t *);
160
161 int thunk_getmachine(char *, size_t, char *, size_t);
162
163 int thunk_setown(int);
164
165 int thunk_open_tap(const char *);
166 int thunk_pollin_tap(int, int);
167 int thunk_pollout_tap(int, int);
168
169 typedef struct {
170 unsigned int sample_rate;
171 unsigned int precision;
172 unsigned int validbits;
173 unsigned int channels;
174 } thunk_audio_config_t;
175
176 int thunk_audio_open(const char *);
177 int thunk_audio_close(int);
178 int thunk_audio_drain(int);
179 int thunk_audio_config(int, const thunk_audio_config_t *,
180 const thunk_audio_config_t *);
181 int thunk_audio_pollout(int);
182 int thunk_audio_pollin(int);
183 ssize_t thunk_audio_write(int, const void *, size_t);
184 ssize_t thunk_audio_read(int, void *, size_t);
185
186 typedef enum {
187 /* client -> server */
188 THUNK_RFB_SET_PIXEL_FORMAT = 0,
189 THUNK_RFB_SET_ENCODINGS = 2,
190 THUNK_RFB_FRAMEBUFFER_UPDATE_REQUEST = 3,
191 THUNK_RFB_KEY_EVENT = 4,
192 THUNK_RFB_POINTER_EVENT = 5,
193 THUNK_RFB_CLIENT_CUT_TEXT = 6,
194 } thunk_rfb_message_t;
195
196 typedef struct {
197 thunk_rfb_message_t message_type;
198 union {
199 struct {
200 uint8_t down_flag;
201 uint32_t keysym;
202 } key_event;
203 struct {
204 uint8_t button_mask;
205 uint16_t absx;
206 uint16_t absy;
207 } pointer_event;
208 } data;
209 } thunk_rfb_event_t;
210
211
212 typedef struct {
213 uint8_t enc;
214 uint16_t x, y, w, h;
215 uint16_t srcx, srcy;
216 uint8_t pixel[4];
217 } thunk_rfb_update_t;
218 #define THUNK_RFB_TYPE_RAW 0
219 #define THUNK_RFB_TYPE_COPYRECT 1
220 #define THUNK_RFB_TYPE_RRE 2 /* rectangle fill */
221
222 #define THUNK_RFB_QUEUELEN 128
223
224 typedef struct {
225 int sockfd;
226 int clientfd;
227 thunk_rfb_event_t event;
228
229 bool connected;
230
231 uint16_t width;
232 uint16_t height;
233 uint8_t depth;
234 char name[64];
235 uint8_t *framebuf;
236
237 bool schedule_bell;
238 unsigned int nupdates;
239 unsigned int first_mergable;
240 thunk_rfb_update_t update[THUNK_RFB_QUEUELEN];
241 } thunk_rfb_t;
242
243 int thunk_rfb_open(thunk_rfb_t *, uint16_t);
244 int thunk_rfb_poll(thunk_rfb_t *, thunk_rfb_event_t *);
245 void thunk_rfb_bell(thunk_rfb_t *);
246 void thunk_rfb_update(thunk_rfb_t *, int, int, int, int);
247 void thunk_rfb_copyrect(thunk_rfb_t *, int, int, int, int, int, int);
248 void thunk_rfb_fillrect(thunk_rfb_t *, int, int, int, int, uint8_t *);
249
250 #endif /* !_ARCH_USERMODE_INCLUDE_THUNK_H */
251