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Commit | Line | Data |
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c1b0b93b JS |
1 | /* |
2 | * os-win32.c | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
c6196440 | 5 | * Copyright (c) 2010-2016 Red Hat, Inc. |
c1b0b93b JS |
6 | * |
7 | * QEMU library functions for win32 which are shared between QEMU and | |
8 | * the QEMU tools. | |
9 | * | |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
23 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
26 | * THE SOFTWARE. | |
e637aa66 SW |
27 | * |
28 | * The implementation of g_poll (functions poll_rest, g_poll) at the end of | |
29 | * this file are based on code from GNOME glib-2 and use a different license, | |
30 | * see the license comment there. | |
c1b0b93b | 31 | */ |
a8d25326 | 32 | |
aafd7584 | 33 | #include "qemu/osdep.h" |
c1b0b93b | 34 | #include <windows.h> |
da34e65c | 35 | #include "qapi/error.h" |
1de7afc9 | 36 | #include "qemu/main-loop.h" |
c1b0b93b | 37 | #include "trace.h" |
1de7afc9 | 38 | #include "qemu/sockets.h" |
f348b6d1 | 39 | #include "qemu/cutils.h" |
8dbe22c6 | 40 | #include "qemu/error-report.h" |
dfbd0b87 | 41 | #include <malloc.h> |
c1b0b93b | 42 | |
714efd54 DH |
43 | static int get_allocation_granularity(void) |
44 | { | |
45 | SYSTEM_INFO system_info; | |
46 | ||
47 | GetSystemInfo(&system_info); | |
48 | return system_info.dwAllocationGranularity; | |
49 | } | |
50 | ||
8dbe22c6 DH |
51 | void *qemu_anon_ram_alloc(size_t size, uint64_t *align, bool shared, |
52 | bool noreserve) | |
c1b0b93b JS |
53 | { |
54 | void *ptr; | |
55 | ||
8dbe22c6 DH |
56 | if (noreserve) { |
57 | /* | |
58 | * We need a MEM_COMMIT before accessing any memory in a MEM_RESERVE | |
59 | * area; we cannot easily mimic POSIX MAP_NORESERVE semantics. | |
60 | */ | |
61 | error_report("Skipping reservation of swap space is not supported."); | |
62 | return NULL; | |
63 | } | |
64 | ||
39228250 | 65 | ptr = VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE); |
6eebf958 | 66 | trace_qemu_anon_ram_alloc(size, ptr); |
714efd54 DH |
67 | |
68 | if (ptr && align) { | |
69 | *align = MAX(get_allocation_granularity(), getpagesize()); | |
70 | } | |
c1b0b93b JS |
71 | return ptr; |
72 | } | |
73 | ||
e7a09b92 PB |
74 | void qemu_anon_ram_free(void *ptr, size_t size) |
75 | { | |
76 | trace_qemu_anon_ram_free(ptr, size); | |
77 | if (ptr) { | |
78 | VirtualFree(ptr, 0, MEM_RELEASE); | |
79 | } | |
80 | } | |
81 | ||
7c3afc85 | 82 | #ifndef _POSIX_THREAD_SAFE_FUNCTIONS |
d3e8f957 SW |
83 | /* FIXME: add proper locking */ |
84 | struct tm *gmtime_r(const time_t *timep, struct tm *result) | |
85 | { | |
86 | struct tm *p = gmtime(timep); | |
87 | memset(result, 0, sizeof(*result)); | |
88 | if (p) { | |
89 | *result = *p; | |
90 | p = result; | |
91 | } | |
92 | return p; | |
93 | } | |
94 | ||
95 | /* FIXME: add proper locking */ | |
96 | struct tm *localtime_r(const time_t *timep, struct tm *result) | |
97 | { | |
98 | struct tm *p = localtime(timep); | |
99 | memset(result, 0, sizeof(*result)); | |
100 | if (p) { | |
101 | *result = *p; | |
102 | p = result; | |
103 | } | |
104 | return p; | |
105 | } | |
7c3afc85 | 106 | #endif /* _POSIX_THREAD_SAFE_FUNCTIONS */ |
d3e8f957 | 107 | |
b16a44e1 | 108 | static int socket_error(void) |
c6196440 DB |
109 | { |
110 | switch (WSAGetLastError()) { | |
111 | case 0: | |
112 | return 0; | |
113 | case WSAEINTR: | |
114 | return EINTR; | |
115 | case WSAEINVAL: | |
116 | return EINVAL; | |
117 | case WSA_INVALID_HANDLE: | |
118 | return EBADF; | |
119 | case WSA_NOT_ENOUGH_MEMORY: | |
120 | return ENOMEM; | |
121 | case WSA_INVALID_PARAMETER: | |
122 | return EINVAL; | |
123 | case WSAENAMETOOLONG: | |
124 | return ENAMETOOLONG; | |
125 | case WSAENOTEMPTY: | |
126 | return ENOTEMPTY; | |
127 | case WSAEWOULDBLOCK: | |
128 | /* not using EWOULDBLOCK as we don't want code to have | |
129 | * to check both EWOULDBLOCK and EAGAIN */ | |
130 | return EAGAIN; | |
131 | case WSAEINPROGRESS: | |
132 | return EINPROGRESS; | |
133 | case WSAEALREADY: | |
134 | return EALREADY; | |
135 | case WSAENOTSOCK: | |
136 | return ENOTSOCK; | |
137 | case WSAEDESTADDRREQ: | |
138 | return EDESTADDRREQ; | |
139 | case WSAEMSGSIZE: | |
140 | return EMSGSIZE; | |
141 | case WSAEPROTOTYPE: | |
142 | return EPROTOTYPE; | |
143 | case WSAENOPROTOOPT: | |
144 | return ENOPROTOOPT; | |
145 | case WSAEPROTONOSUPPORT: | |
146 | return EPROTONOSUPPORT; | |
147 | case WSAEOPNOTSUPP: | |
148 | return EOPNOTSUPP; | |
149 | case WSAEAFNOSUPPORT: | |
150 | return EAFNOSUPPORT; | |
151 | case WSAEADDRINUSE: | |
152 | return EADDRINUSE; | |
153 | case WSAEADDRNOTAVAIL: | |
154 | return EADDRNOTAVAIL; | |
155 | case WSAENETDOWN: | |
156 | return ENETDOWN; | |
157 | case WSAENETUNREACH: | |
158 | return ENETUNREACH; | |
159 | case WSAENETRESET: | |
160 | return ENETRESET; | |
161 | case WSAECONNABORTED: | |
162 | return ECONNABORTED; | |
163 | case WSAECONNRESET: | |
164 | return ECONNRESET; | |
165 | case WSAENOBUFS: | |
166 | return ENOBUFS; | |
167 | case WSAEISCONN: | |
168 | return EISCONN; | |
169 | case WSAENOTCONN: | |
170 | return ENOTCONN; | |
171 | case WSAETIMEDOUT: | |
172 | return ETIMEDOUT; | |
173 | case WSAECONNREFUSED: | |
174 | return ECONNREFUSED; | |
175 | case WSAELOOP: | |
176 | return ELOOP; | |
177 | case WSAEHOSTUNREACH: | |
178 | return EHOSTUNREACH; | |
179 | default: | |
180 | return EIO; | |
181 | } | |
182 | } | |
183 | ||
ff5927ba | 184 | void qemu_socket_set_block(int fd) |
894022e6 LV |
185 | { |
186 | unsigned long opt = 0; | |
187 | WSAEventSelect(fd, NULL, 0); | |
188 | ioctlsocket(fd, FIONBIO, &opt); | |
189 | } | |
190 | ||
ff5927ba | 191 | int qemu_socket_try_set_nonblock(int fd) |
894022e6 LV |
192 | { |
193 | unsigned long opt = 1; | |
194 | if (ioctlsocket(fd, FIONBIO, &opt) != NO_ERROR) { | |
195 | return -socket_error(); | |
196 | } | |
894022e6 LV |
197 | return 0; |
198 | } | |
199 | ||
ff5927ba | 200 | void qemu_socket_set_nonblock(int fd) |
894022e6 | 201 | { |
ff5927ba | 202 | (void)qemu_socket_try_set_nonblock(fd); |
894022e6 LV |
203 | } |
204 | ||
205 | int socket_set_fast_reuse(int fd) | |
206 | { | |
207 | /* Enabling the reuse of an endpoint that was used by a socket still in | |
208 | * TIME_WAIT state is usually performed by setting SO_REUSEADDR. On Windows | |
209 | * fast reuse is the default and SO_REUSEADDR does strange things. So we | |
210 | * don't have to do anything here. More info can be found at: | |
211 | * http://msdn.microsoft.com/en-us/library/windows/desktop/ms740621.aspx */ | |
212 | return 0; | |
213 | } | |
214 | ||
9549e764 JS |
215 | int inet_aton(const char *cp, struct in_addr *ia) |
216 | { | |
217 | uint32_t addr = inet_addr(cp); | |
218 | if (addr == 0xffffffff) { | |
e637aa66 | 219 | return 0; |
9549e764 JS |
220 | } |
221 | ia->s_addr = addr; | |
222 | return 1; | |
223 | } | |
224 | ||
225 | void qemu_set_cloexec(int fd) | |
226 | { | |
227 | } | |
dc786bc9 | 228 | |
cbcfa041 PB |
229 | int qemu_get_thread_id(void) |
230 | { | |
231 | return GetCurrentThreadId(); | |
232 | } | |
e2ea3515 LE |
233 | |
234 | char * | |
1fbf2665 | 235 | qemu_get_local_state_dir(void) |
e2ea3515 | 236 | { |
49e0128c | 237 | const char * const *data_dirs = g_get_system_data_dirs(); |
e2ea3515 | 238 | |
49e0128c MAL |
239 | g_assert(data_dirs && data_dirs[0]); |
240 | ||
241 | return g_strdup(data_dirs[0]); | |
e2ea3515 | 242 | } |
13401ba0 SH |
243 | |
244 | void qemu_set_tty_echo(int fd, bool echo) | |
245 | { | |
246 | HANDLE handle = (HANDLE)_get_osfhandle(fd); | |
247 | DWORD dwMode = 0; | |
248 | ||
249 | if (handle == INVALID_HANDLE_VALUE) { | |
250 | return; | |
251 | } | |
252 | ||
253 | GetConsoleMode(handle, &dwMode); | |
254 | ||
255 | if (echo) { | |
256 | SetConsoleMode(handle, dwMode | ENABLE_ECHO_INPUT | ENABLE_LINE_INPUT); | |
257 | } else { | |
258 | SetConsoleMode(handle, | |
259 | dwMode & ~(ENABLE_ECHO_INPUT | ENABLE_LINE_INPUT)); | |
260 | } | |
261 | } | |
10f5bff6 | 262 | |
a28c2f2d | 263 | int getpagesize(void) |
38183310 PB |
264 | { |
265 | SYSTEM_INFO system_info; | |
266 | ||
267 | GetSystemInfo(&system_info); | |
268 | return system_info.dwPageSize; | |
269 | } | |
270 | ||
1e356fc1 JK |
271 | void os_mem_prealloc(int fd, char *area, size_t memory, int smp_cpus, |
272 | Error **errp) | |
38183310 PB |
273 | { |
274 | int i; | |
8e3b0cbb | 275 | size_t pagesize = qemu_real_host_page_size(); |
38183310 PB |
276 | |
277 | memory = (memory + pagesize - 1) & -pagesize; | |
278 | for (i = 0; i < memory / pagesize; i++) { | |
279 | memset(area + pagesize * i, 0, 1); | |
280 | } | |
281 | } | |
d57e4e48 | 282 | |
7dc9ae43 MP |
283 | char *qemu_get_pid_name(pid_t pid) |
284 | { | |
285 | /* XXX Implement me */ | |
286 | abort(); | |
287 | } | |
288 | ||
289 | ||
57cb38b3 DB |
290 | pid_t qemu_fork(Error **errp) |
291 | { | |
292 | errno = ENOSYS; | |
293 | error_setg_errno(errp, errno, | |
294 | "cannot fork child process"); | |
295 | return -1; | |
296 | } | |
a2d96af4 DB |
297 | |
298 | ||
299 | #undef connect | |
300 | int qemu_connect_wrap(int sockfd, const struct sockaddr *addr, | |
301 | socklen_t addrlen) | |
302 | { | |
303 | int ret; | |
304 | ret = connect(sockfd, addr, addrlen); | |
305 | if (ret < 0) { | |
f1cd5d41 MAL |
306 | if (WSAGetLastError() == WSAEWOULDBLOCK) { |
307 | errno = EINPROGRESS; | |
308 | } else { | |
309 | errno = socket_error(); | |
310 | } | |
a2d96af4 DB |
311 | } |
312 | return ret; | |
313 | } | |
314 | ||
315 | ||
316 | #undef listen | |
317 | int qemu_listen_wrap(int sockfd, int backlog) | |
318 | { | |
319 | int ret; | |
320 | ret = listen(sockfd, backlog); | |
321 | if (ret < 0) { | |
322 | errno = socket_error(); | |
323 | } | |
324 | return ret; | |
325 | } | |
326 | ||
327 | ||
328 | #undef bind | |
329 | int qemu_bind_wrap(int sockfd, const struct sockaddr *addr, | |
330 | socklen_t addrlen) | |
331 | { | |
332 | int ret; | |
333 | ret = bind(sockfd, addr, addrlen); | |
334 | if (ret < 0) { | |
335 | errno = socket_error(); | |
336 | } | |
337 | return ret; | |
338 | } | |
339 | ||
340 | ||
341 | #undef socket | |
342 | int qemu_socket_wrap(int domain, int type, int protocol) | |
343 | { | |
344 | int ret; | |
345 | ret = socket(domain, type, protocol); | |
346 | if (ret < 0) { | |
347 | errno = socket_error(); | |
348 | } | |
349 | return ret; | |
350 | } | |
351 | ||
352 | ||
353 | #undef accept | |
354 | int qemu_accept_wrap(int sockfd, struct sockaddr *addr, | |
355 | socklen_t *addrlen) | |
356 | { | |
357 | int ret; | |
358 | ret = accept(sockfd, addr, addrlen); | |
359 | if (ret < 0) { | |
360 | errno = socket_error(); | |
361 | } | |
362 | return ret; | |
363 | } | |
364 | ||
365 | ||
366 | #undef shutdown | |
367 | int qemu_shutdown_wrap(int sockfd, int how) | |
368 | { | |
369 | int ret; | |
370 | ret = shutdown(sockfd, how); | |
371 | if (ret < 0) { | |
372 | errno = socket_error(); | |
373 | } | |
374 | return ret; | |
375 | } | |
376 | ||
377 | ||
378 | #undef ioctlsocket | |
379 | int qemu_ioctlsocket_wrap(int fd, int req, void *val) | |
380 | { | |
381 | int ret; | |
382 | ret = ioctlsocket(fd, req, val); | |
383 | if (ret < 0) { | |
384 | errno = socket_error(); | |
385 | } | |
386 | return ret; | |
387 | } | |
388 | ||
389 | ||
390 | #undef closesocket | |
391 | int qemu_closesocket_wrap(int fd) | |
392 | { | |
393 | int ret; | |
394 | ret = closesocket(fd); | |
395 | if (ret < 0) { | |
396 | errno = socket_error(); | |
397 | } | |
398 | return ret; | |
399 | } | |
400 | ||
401 | ||
402 | #undef getsockopt | |
403 | int qemu_getsockopt_wrap(int sockfd, int level, int optname, | |
404 | void *optval, socklen_t *optlen) | |
405 | { | |
406 | int ret; | |
407 | ret = getsockopt(sockfd, level, optname, optval, optlen); | |
408 | if (ret < 0) { | |
409 | errno = socket_error(); | |
410 | } | |
411 | return ret; | |
412 | } | |
413 | ||
414 | ||
415 | #undef setsockopt | |
416 | int qemu_setsockopt_wrap(int sockfd, int level, int optname, | |
417 | const void *optval, socklen_t optlen) | |
418 | { | |
419 | int ret; | |
420 | ret = setsockopt(sockfd, level, optname, optval, optlen); | |
421 | if (ret < 0) { | |
422 | errno = socket_error(); | |
423 | } | |
424 | return ret; | |
425 | } | |
426 | ||
427 | ||
428 | #undef getpeername | |
429 | int qemu_getpeername_wrap(int sockfd, struct sockaddr *addr, | |
430 | socklen_t *addrlen) | |
431 | { | |
432 | int ret; | |
433 | ret = getpeername(sockfd, addr, addrlen); | |
434 | if (ret < 0) { | |
435 | errno = socket_error(); | |
436 | } | |
437 | return ret; | |
438 | } | |
439 | ||
440 | ||
441 | #undef getsockname | |
442 | int qemu_getsockname_wrap(int sockfd, struct sockaddr *addr, | |
443 | socklen_t *addrlen) | |
444 | { | |
445 | int ret; | |
446 | ret = getsockname(sockfd, addr, addrlen); | |
447 | if (ret < 0) { | |
448 | errno = socket_error(); | |
449 | } | |
450 | return ret; | |
451 | } | |
452 | ||
453 | ||
454 | #undef send | |
455 | ssize_t qemu_send_wrap(int sockfd, const void *buf, size_t len, int flags) | |
456 | { | |
457 | int ret; | |
458 | ret = send(sockfd, buf, len, flags); | |
459 | if (ret < 0) { | |
460 | errno = socket_error(); | |
461 | } | |
462 | return ret; | |
463 | } | |
464 | ||
465 | ||
466 | #undef sendto | |
467 | ssize_t qemu_sendto_wrap(int sockfd, const void *buf, size_t len, int flags, | |
468 | const struct sockaddr *addr, socklen_t addrlen) | |
469 | { | |
470 | int ret; | |
471 | ret = sendto(sockfd, buf, len, flags, addr, addrlen); | |
472 | if (ret < 0) { | |
473 | errno = socket_error(); | |
474 | } | |
475 | return ret; | |
476 | } | |
477 | ||
478 | ||
479 | #undef recv | |
480 | ssize_t qemu_recv_wrap(int sockfd, void *buf, size_t len, int flags) | |
481 | { | |
482 | int ret; | |
483 | ret = recv(sockfd, buf, len, flags); | |
484 | if (ret < 0) { | |
485 | errno = socket_error(); | |
486 | } | |
487 | return ret; | |
488 | } | |
489 | ||
490 | ||
491 | #undef recvfrom | |
492 | ssize_t qemu_recvfrom_wrap(int sockfd, void *buf, size_t len, int flags, | |
493 | struct sockaddr *addr, socklen_t *addrlen) | |
494 | { | |
495 | int ret; | |
496 | ret = recvfrom(sockfd, buf, len, flags, addr, addrlen); | |
497 | if (ret < 0) { | |
498 | errno = socket_error(); | |
499 | } | |
500 | return ret; | |
501 | } | |
9e6bdef2 MAL |
502 | |
503 | bool qemu_write_pidfile(const char *filename, Error **errp) | |
504 | { | |
505 | char buffer[128]; | |
506 | int len; | |
507 | HANDLE file; | |
508 | OVERLAPPED overlap; | |
509 | BOOL ret; | |
510 | memset(&overlap, 0, sizeof(overlap)); | |
511 | ||
512 | file = CreateFile(filename, GENERIC_WRITE, FILE_SHARE_READ, NULL, | |
513 | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); | |
514 | ||
515 | if (file == INVALID_HANDLE_VALUE) { | |
516 | error_setg(errp, "Failed to create PID file"); | |
517 | return false; | |
518 | } | |
519 | len = snprintf(buffer, sizeof(buffer), FMT_pid "\n", (pid_t)getpid()); | |
520 | ret = WriteFile(file, (LPCVOID)buffer, (DWORD)len, | |
521 | NULL, &overlap); | |
522 | CloseHandle(file); | |
523 | if (ret == 0) { | |
524 | error_setg(errp, "Failed to write PID file"); | |
525 | return false; | |
526 | } | |
527 | return true; | |
528 | } | |
e47f4765 | 529 | |
ad06ef0e AB |
530 | size_t qemu_get_host_physmem(void) |
531 | { | |
986babaa AB |
532 | MEMORYSTATUSEX statex; |
533 | statex.dwLength = sizeof(statex); | |
534 | ||
535 | if (GlobalMemoryStatusEx(&statex)) { | |
536 | return statex.ullTotalPhys; | |
537 | } | |
ad06ef0e AB |
538 | return 0; |
539 | } | |
73991a92 MAL |
540 | |
541 | int qemu_msync(void *addr, size_t length, int fd) | |
542 | { | |
543 | /** | |
544 | * Perform the sync based on the file descriptor | |
545 | * The sync range will most probably be wider than the one | |
546 | * requested - but it will still get the job done | |
547 | */ | |
548 | return qemu_fdatasync(fd); | |
549 | } |