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ad96090a BS |
1 | /* |
2 | * QEMU System Emulator | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | #include <stdint.h> | |
25 | #include <stdarg.h> | |
b2e0a138 | 26 | #include <stdlib.h> |
ad96090a | 27 | #ifndef _WIN32 |
1c47cb16 | 28 | #include <sys/types.h> |
ad96090a BS |
29 | #include <sys/mman.h> |
30 | #endif | |
31 | #include "config.h" | |
32 | #include "monitor.h" | |
33 | #include "sysemu.h" | |
c6bf8e0e JQ |
34 | #include "bitops.h" |
35 | #include "bitmap.h" | |
ad96090a BS |
36 | #include "arch_init.h" |
37 | #include "audio/audio.h" | |
38 | #include "hw/pc.h" | |
39 | #include "hw/pci.h" | |
40 | #include "hw/audiodev.h" | |
41 | #include "kvm.h" | |
42 | #include "migration.h" | |
43 | #include "net.h" | |
44 | #include "gdbstub.h" | |
45 | #include "hw/smbios.h" | |
86e775c6 | 46 | #include "exec-memory.h" |
302fe51b | 47 | #include "hw/pcspk.h" |
17ad9b35 | 48 | #include "qemu/page_cache.h" |
99afc91d | 49 | #include "qmp-commands.h" |
3c12193d | 50 | #include "trace.h" |
ad96090a | 51 | |
3a697f69 OW |
52 | #ifdef DEBUG_ARCH_INIT |
53 | #define DPRINTF(fmt, ...) \ | |
54 | do { fprintf(stdout, "arch_init: " fmt, ## __VA_ARGS__); } while (0) | |
55 | #else | |
56 | #define DPRINTF(fmt, ...) \ | |
57 | do { } while (0) | |
58 | #endif | |
59 | ||
ad96090a BS |
60 | #ifdef TARGET_SPARC |
61 | int graphic_width = 1024; | |
62 | int graphic_height = 768; | |
63 | int graphic_depth = 8; | |
64 | #else | |
65 | int graphic_width = 800; | |
66 | int graphic_height = 600; | |
67 | int graphic_depth = 15; | |
68 | #endif | |
69 | ||
ad96090a BS |
70 | |
71 | #if defined(TARGET_ALPHA) | |
72 | #define QEMU_ARCH QEMU_ARCH_ALPHA | |
73 | #elif defined(TARGET_ARM) | |
74 | #define QEMU_ARCH QEMU_ARCH_ARM | |
75 | #elif defined(TARGET_CRIS) | |
76 | #define QEMU_ARCH QEMU_ARCH_CRIS | |
77 | #elif defined(TARGET_I386) | |
78 | #define QEMU_ARCH QEMU_ARCH_I386 | |
79 | #elif defined(TARGET_M68K) | |
80 | #define QEMU_ARCH QEMU_ARCH_M68K | |
81ea0e13 MW |
81 | #elif defined(TARGET_LM32) |
82 | #define QEMU_ARCH QEMU_ARCH_LM32 | |
ad96090a BS |
83 | #elif defined(TARGET_MICROBLAZE) |
84 | #define QEMU_ARCH QEMU_ARCH_MICROBLAZE | |
85 | #elif defined(TARGET_MIPS) | |
86 | #define QEMU_ARCH QEMU_ARCH_MIPS | |
e67db06e JL |
87 | #elif defined(TARGET_OPENRISC) |
88 | #define QEMU_ARCH QEMU_ARCH_OPENRISC | |
ad96090a BS |
89 | #elif defined(TARGET_PPC) |
90 | #define QEMU_ARCH QEMU_ARCH_PPC | |
91 | #elif defined(TARGET_S390X) | |
92 | #define QEMU_ARCH QEMU_ARCH_S390X | |
93 | #elif defined(TARGET_SH4) | |
94 | #define QEMU_ARCH QEMU_ARCH_SH4 | |
95 | #elif defined(TARGET_SPARC) | |
96 | #define QEMU_ARCH QEMU_ARCH_SPARC | |
2328826b MF |
97 | #elif defined(TARGET_XTENSA) |
98 | #define QEMU_ARCH QEMU_ARCH_XTENSA | |
4f23a1e6 GX |
99 | #elif defined(TARGET_UNICORE32) |
100 | #define QEMU_ARCH QEMU_ARCH_UNICORE32 | |
ad96090a BS |
101 | #endif |
102 | ||
103 | const uint32_t arch_type = QEMU_ARCH; | |
104 | ||
105 | /***********************************************************/ | |
106 | /* ram save/restore */ | |
107 | ||
d20878d2 YT |
108 | #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ |
109 | #define RAM_SAVE_FLAG_COMPRESS 0x02 | |
110 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 | |
111 | #define RAM_SAVE_FLAG_PAGE 0x08 | |
112 | #define RAM_SAVE_FLAG_EOS 0x10 | |
113 | #define RAM_SAVE_FLAG_CONTINUE 0x20 | |
17ad9b35 | 114 | #define RAM_SAVE_FLAG_XBZRLE 0x40 |
ad96090a | 115 | |
86003615 PB |
116 | #ifdef __ALTIVEC__ |
117 | #include <altivec.h> | |
118 | #define VECTYPE vector unsigned char | |
119 | #define SPLAT(p) vec_splat(vec_ld(0, p), 0) | |
120 | #define ALL_EQ(v1, v2) vec_all_eq(v1, v2) | |
f283edc4 AF |
121 | /* altivec.h may redefine the bool macro as vector type. |
122 | * Reset it to POSIX semantics. */ | |
123 | #undef bool | |
124 | #define bool _Bool | |
86003615 PB |
125 | #elif defined __SSE2__ |
126 | #include <emmintrin.h> | |
127 | #define VECTYPE __m128i | |
128 | #define SPLAT(p) _mm_set1_epi8(*(p)) | |
129 | #define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF) | |
130 | #else | |
131 | #define VECTYPE unsigned long | |
132 | #define SPLAT(p) (*(p) * (~0UL / 255)) | |
133 | #define ALL_EQ(v1, v2) ((v1) == (v2)) | |
134 | #endif | |
135 | ||
b5a8fe5e | 136 | |
756557de EH |
137 | static struct defconfig_file { |
138 | const char *filename; | |
f29a5614 EH |
139 | /* Indicates it is an user config file (disabled by -no-user-config) */ |
140 | bool userconfig; | |
756557de | 141 | } default_config_files[] = { |
f29a5614 EH |
142 | { CONFIG_QEMU_CONFDIR "/qemu.conf", true }, |
143 | { CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf", true }, | |
756557de EH |
144 | { NULL }, /* end of list */ |
145 | }; | |
146 | ||
147 | ||
f29a5614 | 148 | int qemu_read_default_config_files(bool userconfig) |
b5a8fe5e EH |
149 | { |
150 | int ret; | |
756557de | 151 | struct defconfig_file *f; |
b5a8fe5e | 152 | |
756557de | 153 | for (f = default_config_files; f->filename; f++) { |
f29a5614 EH |
154 | if (!userconfig && f->userconfig) { |
155 | continue; | |
156 | } | |
756557de EH |
157 | ret = qemu_read_config_file(f->filename); |
158 | if (ret < 0 && ret != -ENOENT) { | |
159 | return ret; | |
160 | } | |
b5a8fe5e | 161 | } |
756557de | 162 | |
b5a8fe5e EH |
163 | return 0; |
164 | } | |
165 | ||
86003615 | 166 | static int is_dup_page(uint8_t *page) |
ad96090a | 167 | { |
86003615 PB |
168 | VECTYPE *p = (VECTYPE *)page; |
169 | VECTYPE val = SPLAT(page); | |
ad96090a BS |
170 | int i; |
171 | ||
86003615 PB |
172 | for (i = 0; i < TARGET_PAGE_SIZE / sizeof(VECTYPE); i++) { |
173 | if (!ALL_EQ(val, p[i])) { | |
ad96090a BS |
174 | return 0; |
175 | } | |
176 | } | |
177 | ||
178 | return 1; | |
179 | } | |
180 | ||
17ad9b35 OW |
181 | /* struct contains XBZRLE cache and a static page |
182 | used by the compression */ | |
183 | static struct { | |
184 | /* buffer used for XBZRLE encoding */ | |
185 | uint8_t *encoded_buf; | |
186 | /* buffer for storing page content */ | |
187 | uint8_t *current_buf; | |
188 | /* buffer used for XBZRLE decoding */ | |
189 | uint8_t *decoded_buf; | |
190 | /* Cache for XBZRLE */ | |
191 | PageCache *cache; | |
192 | } XBZRLE = { | |
193 | .encoded_buf = NULL, | |
194 | .current_buf = NULL, | |
195 | .decoded_buf = NULL, | |
196 | .cache = NULL, | |
197 | }; | |
198 | ||
9e1ba4cc OW |
199 | |
200 | int64_t xbzrle_cache_resize(int64_t new_size) | |
201 | { | |
202 | if (XBZRLE.cache != NULL) { | |
203 | return cache_resize(XBZRLE.cache, new_size / TARGET_PAGE_SIZE) * | |
204 | TARGET_PAGE_SIZE; | |
205 | } | |
206 | return pow2floor(new_size); | |
207 | } | |
208 | ||
004d4c10 OW |
209 | /* accounting for migration statistics */ |
210 | typedef struct AccountingInfo { | |
211 | uint64_t dup_pages; | |
212 | uint64_t norm_pages; | |
213 | uint64_t iterations; | |
f36d55af OW |
214 | uint64_t xbzrle_bytes; |
215 | uint64_t xbzrle_pages; | |
216 | uint64_t xbzrle_cache_miss; | |
217 | uint64_t xbzrle_overflows; | |
004d4c10 OW |
218 | } AccountingInfo; |
219 | ||
220 | static AccountingInfo acct_info; | |
221 | ||
222 | static void acct_clear(void) | |
223 | { | |
224 | memset(&acct_info, 0, sizeof(acct_info)); | |
225 | } | |
226 | ||
227 | uint64_t dup_mig_bytes_transferred(void) | |
228 | { | |
229 | return acct_info.dup_pages * TARGET_PAGE_SIZE; | |
230 | } | |
231 | ||
232 | uint64_t dup_mig_pages_transferred(void) | |
233 | { | |
234 | return acct_info.dup_pages; | |
235 | } | |
236 | ||
237 | uint64_t norm_mig_bytes_transferred(void) | |
238 | { | |
239 | return acct_info.norm_pages * TARGET_PAGE_SIZE; | |
240 | } | |
241 | ||
242 | uint64_t norm_mig_pages_transferred(void) | |
243 | { | |
244 | return acct_info.norm_pages; | |
245 | } | |
246 | ||
f36d55af OW |
247 | uint64_t xbzrle_mig_bytes_transferred(void) |
248 | { | |
249 | return acct_info.xbzrle_bytes; | |
250 | } | |
251 | ||
252 | uint64_t xbzrle_mig_pages_transferred(void) | |
253 | { | |
254 | return acct_info.xbzrle_pages; | |
255 | } | |
256 | ||
257 | uint64_t xbzrle_mig_pages_cache_miss(void) | |
258 | { | |
259 | return acct_info.xbzrle_cache_miss; | |
260 | } | |
261 | ||
262 | uint64_t xbzrle_mig_pages_overflow(void) | |
263 | { | |
264 | return acct_info.xbzrle_overflows; | |
265 | } | |
266 | ||
0c51f43d OW |
267 | static void save_block_hdr(QEMUFile *f, RAMBlock *block, ram_addr_t offset, |
268 | int cont, int flag) | |
269 | { | |
270 | qemu_put_be64(f, offset | cont | flag); | |
271 | if (!cont) { | |
272 | qemu_put_byte(f, strlen(block->idstr)); | |
273 | qemu_put_buffer(f, (uint8_t *)block->idstr, | |
274 | strlen(block->idstr)); | |
275 | } | |
276 | ||
277 | } | |
278 | ||
17ad9b35 OW |
279 | #define ENCODING_FLAG_XBZRLE 0x1 |
280 | ||
281 | static int save_xbzrle_page(QEMUFile *f, uint8_t *current_data, | |
282 | ram_addr_t current_addr, RAMBlock *block, | |
dd051c72 | 283 | ram_addr_t offset, int cont, bool last_stage) |
17ad9b35 OW |
284 | { |
285 | int encoded_len = 0, bytes_sent = -1; | |
286 | uint8_t *prev_cached_page; | |
287 | ||
288 | if (!cache_is_cached(XBZRLE.cache, current_addr)) { | |
dd051c72 JQ |
289 | if (!last_stage) { |
290 | cache_insert(XBZRLE.cache, current_addr, | |
291 | g_memdup(current_data, TARGET_PAGE_SIZE)); | |
292 | } | |
f36d55af | 293 | acct_info.xbzrle_cache_miss++; |
17ad9b35 OW |
294 | return -1; |
295 | } | |
296 | ||
297 | prev_cached_page = get_cached_data(XBZRLE.cache, current_addr); | |
298 | ||
299 | /* save current buffer into memory */ | |
300 | memcpy(XBZRLE.current_buf, current_data, TARGET_PAGE_SIZE); | |
301 | ||
302 | /* XBZRLE encoding (if there is no overflow) */ | |
303 | encoded_len = xbzrle_encode_buffer(prev_cached_page, XBZRLE.current_buf, | |
304 | TARGET_PAGE_SIZE, XBZRLE.encoded_buf, | |
305 | TARGET_PAGE_SIZE); | |
306 | if (encoded_len == 0) { | |
307 | DPRINTF("Skipping unmodified page\n"); | |
308 | return 0; | |
309 | } else if (encoded_len == -1) { | |
310 | DPRINTF("Overflow\n"); | |
f36d55af | 311 | acct_info.xbzrle_overflows++; |
17ad9b35 OW |
312 | /* update data in the cache */ |
313 | memcpy(prev_cached_page, current_data, TARGET_PAGE_SIZE); | |
314 | return -1; | |
315 | } | |
316 | ||
317 | /* we need to update the data in the cache, in order to get the same data */ | |
dd051c72 JQ |
318 | if (!last_stage) { |
319 | memcpy(prev_cached_page, XBZRLE.current_buf, TARGET_PAGE_SIZE); | |
320 | } | |
17ad9b35 OW |
321 | |
322 | /* Send XBZRLE based compressed page */ | |
323 | save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_XBZRLE); | |
324 | qemu_put_byte(f, ENCODING_FLAG_XBZRLE); | |
325 | qemu_put_be16(f, encoded_len); | |
326 | qemu_put_buffer(f, XBZRLE.encoded_buf, encoded_len); | |
327 | bytes_sent = encoded_len + 1 + 2; | |
f36d55af OW |
328 | acct_info.xbzrle_pages++; |
329 | acct_info.xbzrle_bytes += bytes_sent; | |
17ad9b35 OW |
330 | |
331 | return bytes_sent; | |
332 | } | |
333 | ||
760e77ea AW |
334 | static RAMBlock *last_block; |
335 | static ram_addr_t last_offset; | |
c6bf8e0e JQ |
336 | static unsigned long *migration_bitmap; |
337 | static uint64_t migration_dirty_pages; | |
760e77ea | 338 | |
69268cde JQ |
339 | static inline bool migration_bitmap_test_and_reset_dirty(MemoryRegion *mr, |
340 | ram_addr_t offset) | |
341 | { | |
c6bf8e0e JQ |
342 | bool ret; |
343 | int nr = (mr->ram_addr + offset) >> TARGET_PAGE_BITS; | |
344 | ||
345 | ret = test_and_clear_bit(nr, migration_bitmap); | |
69268cde JQ |
346 | |
347 | if (ret) { | |
c6bf8e0e | 348 | migration_dirty_pages--; |
69268cde JQ |
349 | } |
350 | return ret; | |
351 | } | |
352 | ||
c6bf8e0e JQ |
353 | static inline bool migration_bitmap_set_dirty(MemoryRegion *mr, |
354 | ram_addr_t offset) | |
e44d26c8 | 355 | { |
c6bf8e0e JQ |
356 | bool ret; |
357 | int nr = (mr->ram_addr + offset) >> TARGET_PAGE_BITS; | |
e44d26c8 | 358 | |
c6bf8e0e JQ |
359 | ret = test_and_set_bit(nr, migration_bitmap); |
360 | ||
361 | if (!ret) { | |
362 | migration_dirty_pages++; | |
e44d26c8 | 363 | } |
c6bf8e0e | 364 | return ret; |
e44d26c8 JQ |
365 | } |
366 | ||
dd2df737 JQ |
367 | static void migration_bitmap_sync(void) |
368 | { | |
c6bf8e0e JQ |
369 | RAMBlock *block; |
370 | ram_addr_t addr; | |
371 | uint64_t num_dirty_pages_init = migration_dirty_pages; | |
3c12193d JQ |
372 | |
373 | trace_migration_bitmap_sync_start(); | |
dd2df737 | 374 | memory_global_sync_dirty_bitmap(get_system_memory()); |
c6bf8e0e JQ |
375 | |
376 | QLIST_FOREACH(block, &ram_list.blocks, next) { | |
377 | for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) { | |
378 | if (memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE, | |
379 | DIRTY_MEMORY_MIGRATION)) { | |
380 | migration_bitmap_set_dirty(block->mr, addr); | |
381 | } | |
382 | } | |
383 | memory_region_reset_dirty(block->mr, 0, block->length, | |
384 | DIRTY_MEMORY_MIGRATION); | |
385 | } | |
386 | trace_migration_bitmap_sync_end(migration_dirty_pages | |
3c12193d | 387 | - num_dirty_pages_init); |
dd2df737 JQ |
388 | } |
389 | ||
390 | ||
6c779f22 OW |
391 | /* |
392 | * ram_save_block: Writes a page of memory to the stream f | |
393 | * | |
394 | * Returns: 0: if the page hasn't changed | |
395 | * -1: if there are no more dirty pages | |
396 | * n: the amount of bytes written in other case | |
397 | */ | |
398 | ||
dd051c72 | 399 | static int ram_save_block(QEMUFile *f, bool last_stage) |
ad96090a | 400 | { |
e44359c3 AW |
401 | RAMBlock *block = last_block; |
402 | ram_addr_t offset = last_offset; | |
6c779f22 | 403 | int bytes_sent = -1; |
71c510e2 | 404 | MemoryRegion *mr; |
17ad9b35 | 405 | ram_addr_t current_addr; |
ad96090a | 406 | |
e44359c3 AW |
407 | if (!block) |
408 | block = QLIST_FIRST(&ram_list.blocks); | |
409 | ||
e44359c3 | 410 | do { |
71c510e2 | 411 | mr = block->mr; |
69268cde | 412 | if (migration_bitmap_test_and_reset_dirty(mr, offset)) { |
ad96090a | 413 | uint8_t *p; |
a55bbe31 | 414 | int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0; |
ad96090a | 415 | |
71c510e2 | 416 | p = memory_region_get_ram_ptr(mr) + offset; |
ad96090a | 417 | |
86003615 | 418 | if (is_dup_page(p)) { |
004d4c10 | 419 | acct_info.dup_pages++; |
0c51f43d | 420 | save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_COMPRESS); |
ad96090a | 421 | qemu_put_byte(f, *p); |
3fc250b4 | 422 | bytes_sent = 1; |
17ad9b35 OW |
423 | } else if (migrate_use_xbzrle()) { |
424 | current_addr = block->offset + offset; | |
425 | bytes_sent = save_xbzrle_page(f, p, current_addr, block, | |
dd051c72 JQ |
426 | offset, cont, last_stage); |
427 | if (!last_stage) { | |
428 | p = get_cached_data(XBZRLE.cache, current_addr); | |
429 | } | |
17ad9b35 OW |
430 | } |
431 | ||
432 | /* either we didn't send yet (we may have had XBZRLE overflow) */ | |
433 | if (bytes_sent == -1) { | |
0c51f43d | 434 | save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_PAGE); |
ad96090a | 435 | qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
3fc250b4 | 436 | bytes_sent = TARGET_PAGE_SIZE; |
004d4c10 | 437 | acct_info.norm_pages++; |
ad96090a BS |
438 | } |
439 | ||
17ad9b35 OW |
440 | /* if page is unmodified, continue to the next */ |
441 | if (bytes_sent != 0) { | |
442 | break; | |
443 | } | |
ad96090a | 444 | } |
e44359c3 AW |
445 | |
446 | offset += TARGET_PAGE_SIZE; | |
447 | if (offset >= block->length) { | |
448 | offset = 0; | |
449 | block = QLIST_NEXT(block, next); | |
450 | if (!block) | |
451 | block = QLIST_FIRST(&ram_list.blocks); | |
452 | } | |
71c510e2 | 453 | } while (block != last_block || offset != last_offset); |
e44359c3 AW |
454 | |
455 | last_block = block; | |
456 | last_offset = offset; | |
ad96090a | 457 | |
3fc250b4 | 458 | return bytes_sent; |
ad96090a BS |
459 | } |
460 | ||
461 | static uint64_t bytes_transferred; | |
462 | ||
463 | static ram_addr_t ram_save_remaining(void) | |
464 | { | |
c6bf8e0e | 465 | return migration_dirty_pages; |
ad96090a BS |
466 | } |
467 | ||
468 | uint64_t ram_bytes_remaining(void) | |
469 | { | |
470 | return ram_save_remaining() * TARGET_PAGE_SIZE; | |
471 | } | |
472 | ||
473 | uint64_t ram_bytes_transferred(void) | |
474 | { | |
475 | return bytes_transferred; | |
476 | } | |
477 | ||
478 | uint64_t ram_bytes_total(void) | |
479 | { | |
d17b5288 AW |
480 | RAMBlock *block; |
481 | uint64_t total = 0; | |
482 | ||
483 | QLIST_FOREACH(block, &ram_list.blocks, next) | |
484 | total += block->length; | |
485 | ||
486 | return total; | |
ad96090a BS |
487 | } |
488 | ||
b2e0a138 MT |
489 | static int block_compar(const void *a, const void *b) |
490 | { | |
491 | RAMBlock * const *ablock = a; | |
492 | RAMBlock * const *bblock = b; | |
8fec98b4 AK |
493 | |
494 | return strcmp((*ablock)->idstr, (*bblock)->idstr); | |
b2e0a138 MT |
495 | } |
496 | ||
497 | static void sort_ram_list(void) | |
498 | { | |
499 | RAMBlock *block, *nblock, **blocks; | |
500 | int n; | |
501 | n = 0; | |
502 | QLIST_FOREACH(block, &ram_list.blocks, next) { | |
503 | ++n; | |
504 | } | |
7267c094 | 505 | blocks = g_malloc(n * sizeof *blocks); |
b2e0a138 MT |
506 | n = 0; |
507 | QLIST_FOREACH_SAFE(block, &ram_list.blocks, next, nblock) { | |
508 | blocks[n++] = block; | |
509 | QLIST_REMOVE(block, next); | |
510 | } | |
511 | qsort(blocks, n, sizeof *blocks, block_compar); | |
512 | while (--n >= 0) { | |
513 | QLIST_INSERT_HEAD(&ram_list.blocks, blocks[n], next); | |
514 | } | |
7267c094 | 515 | g_free(blocks); |
b2e0a138 MT |
516 | } |
517 | ||
8e21cd32 OW |
518 | static void migration_end(void) |
519 | { | |
520 | memory_global_dirty_log_stop(); | |
17ad9b35 OW |
521 | |
522 | if (migrate_use_xbzrle()) { | |
523 | cache_fini(XBZRLE.cache); | |
524 | g_free(XBZRLE.cache); | |
525 | g_free(XBZRLE.encoded_buf); | |
526 | g_free(XBZRLE.current_buf); | |
527 | g_free(XBZRLE.decoded_buf); | |
528 | XBZRLE.cache = NULL; | |
529 | } | |
8e21cd32 OW |
530 | } |
531 | ||
9b5bfab0 JQ |
532 | static void ram_migration_cancel(void *opaque) |
533 | { | |
534 | migration_end(); | |
535 | } | |
536 | ||
5a170775 JQ |
537 | |
538 | static void reset_ram_globals(void) | |
539 | { | |
540 | last_block = NULL; | |
541 | last_offset = 0; | |
542 | sort_ram_list(); | |
543 | } | |
544 | ||
4508bd9e JQ |
545 | #define MAX_WAIT 50 /* ms, half buffered_file limit */ |
546 | ||
d1315aac | 547 | static int ram_save_setup(QEMUFile *f, void *opaque) |
ad96090a | 548 | { |
d1315aac | 549 | RAMBlock *block; |
c6bf8e0e JQ |
550 | int64_t ram_pages = last_ram_offset() >> TARGET_PAGE_BITS; |
551 | ||
552 | migration_bitmap = bitmap_new(ram_pages); | |
553 | bitmap_set(migration_bitmap, 1, ram_pages); | |
554 | migration_dirty_pages = ram_pages; | |
ad96090a | 555 | |
d1315aac | 556 | bytes_transferred = 0; |
5a170775 | 557 | reset_ram_globals(); |
ad96090a | 558 | |
17ad9b35 OW |
559 | if (migrate_use_xbzrle()) { |
560 | XBZRLE.cache = cache_init(migrate_xbzrle_cache_size() / | |
561 | TARGET_PAGE_SIZE, | |
562 | TARGET_PAGE_SIZE); | |
563 | if (!XBZRLE.cache) { | |
564 | DPRINTF("Error creating cache\n"); | |
565 | return -1; | |
566 | } | |
567 | XBZRLE.encoded_buf = g_malloc0(TARGET_PAGE_SIZE); | |
568 | XBZRLE.current_buf = g_malloc(TARGET_PAGE_SIZE); | |
004d4c10 | 569 | acct_clear(); |
17ad9b35 OW |
570 | } |
571 | ||
d1315aac | 572 | memory_global_dirty_log_start(); |
c6bf8e0e | 573 | migration_bitmap_sync(); |
ad96090a | 574 | |
d1315aac | 575 | qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE); |
97ab12d4 | 576 | |
d1315aac JQ |
577 | QLIST_FOREACH(block, &ram_list.blocks, next) { |
578 | qemu_put_byte(f, strlen(block->idstr)); | |
579 | qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr)); | |
580 | qemu_put_be64(f, block->length); | |
ad96090a BS |
581 | } |
582 | ||
d1315aac JQ |
583 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
584 | ||
585 | return 0; | |
586 | } | |
587 | ||
16310a3c | 588 | static int ram_save_iterate(QEMUFile *f, void *opaque) |
d1315aac JQ |
589 | { |
590 | uint64_t bytes_transferred_last; | |
591 | double bwidth = 0; | |
592 | int ret; | |
593 | int i; | |
c00012f6 | 594 | uint64_t expected_downtime; |
2c52ddf1 | 595 | MigrationState *s = migrate_get_current(); |
d1315aac | 596 | |
ad96090a BS |
597 | bytes_transferred_last = bytes_transferred; |
598 | bwidth = qemu_get_clock_ns(rt_clock); | |
599 | ||
4508bd9e | 600 | i = 0; |
2975725f | 601 | while ((ret = qemu_file_rate_limit(f)) == 0) { |
3fc250b4 | 602 | int bytes_sent; |
ad96090a | 603 | |
dd051c72 | 604 | bytes_sent = ram_save_block(f, false); |
6c779f22 OW |
605 | /* no more blocks to sent */ |
606 | if (bytes_sent < 0) { | |
ad96090a BS |
607 | break; |
608 | } | |
6c779f22 | 609 | bytes_transferred += bytes_sent; |
004d4c10 | 610 | acct_info.iterations++; |
4508bd9e JQ |
611 | /* we want to check in the 1st loop, just in case it was the 1st time |
612 | and we had to sync the dirty bitmap. | |
613 | qemu_get_clock_ns() is a bit expensive, so we only check each some | |
614 | iterations | |
615 | */ | |
616 | if ((i & 63) == 0) { | |
617 | uint64_t t1 = (qemu_get_clock_ns(rt_clock) - bwidth) / 1000000; | |
618 | if (t1 > MAX_WAIT) { | |
ef37a699 | 619 | DPRINTF("big wait: %" PRIu64 " milliseconds, %d iterations\n", |
4508bd9e JQ |
620 | t1, i); |
621 | break; | |
622 | } | |
623 | } | |
624 | i++; | |
ad96090a BS |
625 | } |
626 | ||
2975725f JQ |
627 | if (ret < 0) { |
628 | return ret; | |
629 | } | |
630 | ||
ad96090a BS |
631 | bwidth = qemu_get_clock_ns(rt_clock) - bwidth; |
632 | bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; | |
633 | ||
c00012f6 JQ |
634 | /* if we haven't transferred anything this round, force |
635 | * expected_downtime to a very high value, but without | |
636 | * crashing */ | |
ad96090a BS |
637 | if (bwidth == 0) { |
638 | bwidth = 0.000001; | |
639 | } | |
640 | ||
16310a3c JQ |
641 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
642 | ||
c00012f6 JQ |
643 | expected_downtime = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; |
644 | DPRINTF("ram_save_live: expected(%" PRIu64 ") <= max(" PRIu64 ")?\n", | |
645 | expected_downtime, migrate_max_downtime()); | |
16310a3c | 646 | |
c00012f6 | 647 | if (expected_downtime <= migrate_max_downtime()) { |
dd2df737 | 648 | migration_bitmap_sync(); |
c00012f6 | 649 | expected_downtime = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; |
2c52ddf1 | 650 | s->expected_downtime = expected_downtime / 1000000; /* ns -> ms */ |
00d94f3f | 651 | |
c00012f6 | 652 | return expected_downtime <= migrate_max_downtime(); |
00d94f3f JQ |
653 | } |
654 | return 0; | |
16310a3c JQ |
655 | } |
656 | ||
657 | static int ram_save_complete(QEMUFile *f, void *opaque) | |
658 | { | |
dd2df737 | 659 | migration_bitmap_sync(); |
16310a3c | 660 | |
ad96090a | 661 | /* try transferring iterative blocks of memory */ |
3a697f69 | 662 | |
16310a3c | 663 | /* flush all remaining blocks regardless of rate limiting */ |
6c779f22 | 664 | while (true) { |
3fc250b4 PR |
665 | int bytes_sent; |
666 | ||
dd051c72 | 667 | bytes_sent = ram_save_block(f, true); |
6c779f22 OW |
668 | /* no more blocks to sent */ |
669 | if (bytes_sent < 0) { | |
670 | break; | |
ad96090a | 671 | } |
16310a3c | 672 | bytes_transferred += bytes_sent; |
ad96090a | 673 | } |
16310a3c | 674 | memory_global_dirty_log_stop(); |
ad96090a BS |
675 | |
676 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); | |
677 | ||
c6bf8e0e JQ |
678 | g_free(migration_bitmap); |
679 | migration_bitmap = NULL; | |
680 | ||
5b3c9638 | 681 | return 0; |
ad96090a BS |
682 | } |
683 | ||
17ad9b35 OW |
684 | static int load_xbzrle(QEMUFile *f, ram_addr_t addr, void *host) |
685 | { | |
686 | int ret, rc = 0; | |
687 | unsigned int xh_len; | |
688 | int xh_flags; | |
689 | ||
690 | if (!XBZRLE.decoded_buf) { | |
691 | XBZRLE.decoded_buf = g_malloc(TARGET_PAGE_SIZE); | |
692 | } | |
693 | ||
694 | /* extract RLE header */ | |
695 | xh_flags = qemu_get_byte(f); | |
696 | xh_len = qemu_get_be16(f); | |
697 | ||
698 | if (xh_flags != ENCODING_FLAG_XBZRLE) { | |
699 | fprintf(stderr, "Failed to load XBZRLE page - wrong compression!\n"); | |
700 | return -1; | |
701 | } | |
702 | ||
703 | if (xh_len > TARGET_PAGE_SIZE) { | |
704 | fprintf(stderr, "Failed to load XBZRLE page - len overflow!\n"); | |
705 | return -1; | |
706 | } | |
707 | /* load data and decode */ | |
708 | qemu_get_buffer(f, XBZRLE.decoded_buf, xh_len); | |
709 | ||
710 | /* decode RLE */ | |
711 | ret = xbzrle_decode_buffer(XBZRLE.decoded_buf, xh_len, host, | |
712 | TARGET_PAGE_SIZE); | |
713 | if (ret == -1) { | |
714 | fprintf(stderr, "Failed to load XBZRLE page - decode error!\n"); | |
715 | rc = -1; | |
716 | } else if (ret > TARGET_PAGE_SIZE) { | |
717 | fprintf(stderr, "Failed to load XBZRLE page - size %d exceeds %d!\n", | |
718 | ret, TARGET_PAGE_SIZE); | |
719 | abort(); | |
720 | } | |
721 | ||
722 | return rc; | |
723 | } | |
724 | ||
a55bbe31 AW |
725 | static inline void *host_from_stream_offset(QEMUFile *f, |
726 | ram_addr_t offset, | |
727 | int flags) | |
728 | { | |
729 | static RAMBlock *block = NULL; | |
730 | char id[256]; | |
731 | uint8_t len; | |
732 | ||
733 | if (flags & RAM_SAVE_FLAG_CONTINUE) { | |
734 | if (!block) { | |
735 | fprintf(stderr, "Ack, bad migration stream!\n"); | |
736 | return NULL; | |
737 | } | |
738 | ||
dc94a7ed | 739 | return memory_region_get_ram_ptr(block->mr) + offset; |
a55bbe31 AW |
740 | } |
741 | ||
742 | len = qemu_get_byte(f); | |
743 | qemu_get_buffer(f, (uint8_t *)id, len); | |
744 | id[len] = 0; | |
745 | ||
746 | QLIST_FOREACH(block, &ram_list.blocks, next) { | |
747 | if (!strncmp(id, block->idstr, sizeof(id))) | |
dc94a7ed | 748 | return memory_region_get_ram_ptr(block->mr) + offset; |
a55bbe31 AW |
749 | } |
750 | ||
751 | fprintf(stderr, "Can't find block %s!\n", id); | |
752 | return NULL; | |
753 | } | |
754 | ||
7908c78d | 755 | static int ram_load(QEMUFile *f, void *opaque, int version_id) |
ad96090a BS |
756 | { |
757 | ram_addr_t addr; | |
3a697f69 | 758 | int flags, ret = 0; |
42802d47 | 759 | int error; |
3a697f69 OW |
760 | static uint64_t seq_iter; |
761 | ||
762 | seq_iter++; | |
ad96090a | 763 | |
f09f2189 | 764 | if (version_id < 4 || version_id > 4) { |
ad96090a BS |
765 | return -EINVAL; |
766 | } | |
767 | ||
768 | do { | |
769 | addr = qemu_get_be64(f); | |
770 | ||
771 | flags = addr & ~TARGET_PAGE_MASK; | |
772 | addr &= TARGET_PAGE_MASK; | |
773 | ||
774 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { | |
f09f2189 | 775 | if (version_id == 4) { |
97ab12d4 AW |
776 | /* Synchronize RAM block list */ |
777 | char id[256]; | |
778 | ram_addr_t length; | |
779 | ram_addr_t total_ram_bytes = addr; | |
780 | ||
781 | while (total_ram_bytes) { | |
782 | RAMBlock *block; | |
783 | uint8_t len; | |
784 | ||
785 | len = qemu_get_byte(f); | |
786 | qemu_get_buffer(f, (uint8_t *)id, len); | |
787 | id[len] = 0; | |
788 | length = qemu_get_be64(f); | |
789 | ||
790 | QLIST_FOREACH(block, &ram_list.blocks, next) { | |
791 | if (!strncmp(id, block->idstr, sizeof(id))) { | |
3a697f69 OW |
792 | if (block->length != length) { |
793 | ret = -EINVAL; | |
794 | goto done; | |
795 | } | |
97ab12d4 AW |
796 | break; |
797 | } | |
798 | } | |
799 | ||
800 | if (!block) { | |
fb787f81 AW |
801 | fprintf(stderr, "Unknown ramblock \"%s\", cannot " |
802 | "accept migration\n", id); | |
3a697f69 OW |
803 | ret = -EINVAL; |
804 | goto done; | |
97ab12d4 AW |
805 | } |
806 | ||
807 | total_ram_bytes -= length; | |
808 | } | |
ad96090a BS |
809 | } |
810 | } | |
811 | ||
812 | if (flags & RAM_SAVE_FLAG_COMPRESS) { | |
97ab12d4 AW |
813 | void *host; |
814 | uint8_t ch; | |
815 | ||
f09f2189 | 816 | host = host_from_stream_offset(f, addr, flags); |
492fb99c MT |
817 | if (!host) { |
818 | return -EINVAL; | |
819 | } | |
97ab12d4 | 820 | |
97ab12d4 AW |
821 | ch = qemu_get_byte(f); |
822 | memset(host, ch, TARGET_PAGE_SIZE); | |
ad96090a BS |
823 | #ifndef _WIN32 |
824 | if (ch == 0 && | |
825 | (!kvm_enabled() || kvm_has_sync_mmu())) { | |
e78815a5 | 826 | qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED); |
ad96090a BS |
827 | } |
828 | #endif | |
829 | } else if (flags & RAM_SAVE_FLAG_PAGE) { | |
97ab12d4 AW |
830 | void *host; |
831 | ||
f09f2189 | 832 | host = host_from_stream_offset(f, addr, flags); |
0ff1f9f5 OW |
833 | if (!host) { |
834 | return -EINVAL; | |
835 | } | |
97ab12d4 | 836 | |
97ab12d4 | 837 | qemu_get_buffer(f, host, TARGET_PAGE_SIZE); |
17ad9b35 OW |
838 | } else if (flags & RAM_SAVE_FLAG_XBZRLE) { |
839 | if (!migrate_use_xbzrle()) { | |
840 | return -EINVAL; | |
841 | } | |
842 | void *host = host_from_stream_offset(f, addr, flags); | |
843 | if (!host) { | |
844 | return -EINVAL; | |
845 | } | |
846 | ||
847 | if (load_xbzrle(f, addr, host) < 0) { | |
848 | ret = -EINVAL; | |
849 | goto done; | |
850 | } | |
ad96090a | 851 | } |
42802d47 JQ |
852 | error = qemu_file_get_error(f); |
853 | if (error) { | |
3a697f69 OW |
854 | ret = error; |
855 | goto done; | |
ad96090a BS |
856 | } |
857 | } while (!(flags & RAM_SAVE_FLAG_EOS)); | |
858 | ||
3a697f69 | 859 | done: |
ef37a699 IM |
860 | DPRINTF("Completed load of VM with exit code %d seq iteration " |
861 | "%" PRIu64 "\n", ret, seq_iter); | |
3a697f69 | 862 | return ret; |
ad96090a BS |
863 | } |
864 | ||
7908c78d | 865 | SaveVMHandlers savevm_ram_handlers = { |
d1315aac | 866 | .save_live_setup = ram_save_setup, |
16310a3c JQ |
867 | .save_live_iterate = ram_save_iterate, |
868 | .save_live_complete = ram_save_complete, | |
7908c78d | 869 | .load_state = ram_load, |
9b5bfab0 | 870 | .cancel = ram_migration_cancel, |
7908c78d JQ |
871 | }; |
872 | ||
ad96090a | 873 | #ifdef HAS_AUDIO |
0dfa5ef9 IY |
874 | struct soundhw { |
875 | const char *name; | |
876 | const char *descr; | |
877 | int enabled; | |
878 | int isa; | |
879 | union { | |
4a0f031d | 880 | int (*init_isa) (ISABus *bus); |
0dfa5ef9 IY |
881 | int (*init_pci) (PCIBus *bus); |
882 | } init; | |
883 | }; | |
884 | ||
885 | static struct soundhw soundhw[] = { | |
ad96090a | 886 | #ifdef HAS_AUDIO_CHOICE |
da12872a | 887 | #ifdef CONFIG_PCSPK |
ad96090a BS |
888 | { |
889 | "pcspk", | |
890 | "PC speaker", | |
891 | 0, | |
892 | 1, | |
893 | { .init_isa = pcspk_audio_init } | |
894 | }, | |
895 | #endif | |
896 | ||
897 | #ifdef CONFIG_SB16 | |
898 | { | |
899 | "sb16", | |
900 | "Creative Sound Blaster 16", | |
901 | 0, | |
902 | 1, | |
903 | { .init_isa = SB16_init } | |
904 | }, | |
905 | #endif | |
906 | ||
907 | #ifdef CONFIG_CS4231A | |
908 | { | |
909 | "cs4231a", | |
910 | "CS4231A", | |
911 | 0, | |
912 | 1, | |
913 | { .init_isa = cs4231a_init } | |
914 | }, | |
915 | #endif | |
916 | ||
917 | #ifdef CONFIG_ADLIB | |
918 | { | |
919 | "adlib", | |
920 | #ifdef HAS_YMF262 | |
921 | "Yamaha YMF262 (OPL3)", | |
922 | #else | |
923 | "Yamaha YM3812 (OPL2)", | |
924 | #endif | |
925 | 0, | |
926 | 1, | |
927 | { .init_isa = Adlib_init } | |
928 | }, | |
929 | #endif | |
930 | ||
931 | #ifdef CONFIG_GUS | |
932 | { | |
933 | "gus", | |
934 | "Gravis Ultrasound GF1", | |
935 | 0, | |
936 | 1, | |
937 | { .init_isa = GUS_init } | |
938 | }, | |
939 | #endif | |
940 | ||
941 | #ifdef CONFIG_AC97 | |
942 | { | |
943 | "ac97", | |
944 | "Intel 82801AA AC97 Audio", | |
945 | 0, | |
946 | 0, | |
947 | { .init_pci = ac97_init } | |
948 | }, | |
949 | #endif | |
950 | ||
951 | #ifdef CONFIG_ES1370 | |
952 | { | |
953 | "es1370", | |
954 | "ENSONIQ AudioPCI ES1370", | |
955 | 0, | |
956 | 0, | |
957 | { .init_pci = es1370_init } | |
958 | }, | |
959 | #endif | |
960 | ||
d61a4ce8 GH |
961 | #ifdef CONFIG_HDA |
962 | { | |
963 | "hda", | |
964 | "Intel HD Audio", | |
965 | 0, | |
966 | 0, | |
967 | { .init_pci = intel_hda_and_codec_init } | |
968 | }, | |
969 | #endif | |
970 | ||
ad96090a BS |
971 | #endif /* HAS_AUDIO_CHOICE */ |
972 | ||
973 | { NULL, NULL, 0, 0, { NULL } } | |
974 | }; | |
975 | ||
976 | void select_soundhw(const char *optarg) | |
977 | { | |
978 | struct soundhw *c; | |
979 | ||
c8057f95 | 980 | if (is_help_option(optarg)) { |
ad96090a BS |
981 | show_valid_cards: |
982 | ||
55d4fd3c | 983 | #ifdef HAS_AUDIO_CHOICE |
ad96090a BS |
984 | printf("Valid sound card names (comma separated):\n"); |
985 | for (c = soundhw; c->name; ++c) { | |
986 | printf ("%-11s %s\n", c->name, c->descr); | |
987 | } | |
988 | printf("\n-soundhw all will enable all of the above\n"); | |
55d4fd3c PM |
989 | #else |
990 | printf("Machine has no user-selectable audio hardware " | |
991 | "(it may or may not have always-present audio hardware).\n"); | |
992 | #endif | |
c8057f95 | 993 | exit(!is_help_option(optarg)); |
ad96090a BS |
994 | } |
995 | else { | |
996 | size_t l; | |
997 | const char *p; | |
998 | char *e; | |
999 | int bad_card = 0; | |
1000 | ||
1001 | if (!strcmp(optarg, "all")) { | |
1002 | for (c = soundhw; c->name; ++c) { | |
1003 | c->enabled = 1; | |
1004 | } | |
1005 | return; | |
1006 | } | |
1007 | ||
1008 | p = optarg; | |
1009 | while (*p) { | |
1010 | e = strchr(p, ','); | |
1011 | l = !e ? strlen(p) : (size_t) (e - p); | |
1012 | ||
1013 | for (c = soundhw; c->name; ++c) { | |
1014 | if (!strncmp(c->name, p, l) && !c->name[l]) { | |
1015 | c->enabled = 1; | |
1016 | break; | |
1017 | } | |
1018 | } | |
1019 | ||
1020 | if (!c->name) { | |
1021 | if (l > 80) { | |
1022 | fprintf(stderr, | |
1023 | "Unknown sound card name (too big to show)\n"); | |
1024 | } | |
1025 | else { | |
1026 | fprintf(stderr, "Unknown sound card name `%.*s'\n", | |
1027 | (int) l, p); | |
1028 | } | |
1029 | bad_card = 1; | |
1030 | } | |
1031 | p += l + (e != NULL); | |
1032 | } | |
1033 | ||
1034 | if (bad_card) { | |
1035 | goto show_valid_cards; | |
1036 | } | |
1037 | } | |
1038 | } | |
0dfa5ef9 | 1039 | |
4a0f031d | 1040 | void audio_init(ISABus *isa_bus, PCIBus *pci_bus) |
0dfa5ef9 IY |
1041 | { |
1042 | struct soundhw *c; | |
1043 | ||
1044 | for (c = soundhw; c->name; ++c) { | |
1045 | if (c->enabled) { | |
1046 | if (c->isa) { | |
4a0f031d HP |
1047 | if (isa_bus) { |
1048 | c->init.init_isa(isa_bus); | |
0dfa5ef9 IY |
1049 | } |
1050 | } else { | |
1051 | if (pci_bus) { | |
1052 | c->init.init_pci(pci_bus); | |
1053 | } | |
1054 | } | |
1055 | } | |
1056 | } | |
1057 | } | |
ad96090a BS |
1058 | #else |
1059 | void select_soundhw(const char *optarg) | |
1060 | { | |
1061 | } | |
4a0f031d | 1062 | void audio_init(ISABus *isa_bus, PCIBus *pci_bus) |
0dfa5ef9 IY |
1063 | { |
1064 | } | |
ad96090a BS |
1065 | #endif |
1066 | ||
1067 | int qemu_uuid_parse(const char *str, uint8_t *uuid) | |
1068 | { | |
1069 | int ret; | |
1070 | ||
1071 | if (strlen(str) != 36) { | |
1072 | return -1; | |
1073 | } | |
1074 | ||
1075 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], | |
1076 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], | |
1077 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], | |
1078 | &uuid[15]); | |
1079 | ||
1080 | if (ret != 16) { | |
1081 | return -1; | |
1082 | } | |
1083 | #ifdef TARGET_I386 | |
1084 | smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); | |
1085 | #endif | |
1086 | return 0; | |
1087 | } | |
1088 | ||
1089 | void do_acpitable_option(const char *optarg) | |
1090 | { | |
1091 | #ifdef TARGET_I386 | |
1092 | if (acpi_table_add(optarg) < 0) { | |
1093 | fprintf(stderr, "Wrong acpi table provided\n"); | |
1094 | exit(1); | |
1095 | } | |
1096 | #endif | |
1097 | } | |
1098 | ||
1099 | void do_smbios_option(const char *optarg) | |
1100 | { | |
1101 | #ifdef TARGET_I386 | |
1102 | if (smbios_entry_add(optarg) < 0) { | |
1103 | fprintf(stderr, "Wrong smbios provided\n"); | |
1104 | exit(1); | |
1105 | } | |
1106 | #endif | |
1107 | } | |
1108 | ||
1109 | void cpudef_init(void) | |
1110 | { | |
1111 | #if defined(cpudef_setup) | |
1112 | cpudef_setup(); /* parse cpu definitions in target config file */ | |
1113 | #endif | |
1114 | } | |
1115 | ||
1116 | int audio_available(void) | |
1117 | { | |
1118 | #ifdef HAS_AUDIO | |
1119 | return 1; | |
1120 | #else | |
1121 | return 0; | |
1122 | #endif | |
1123 | } | |
1124 | ||
303d4e86 AP |
1125 | int tcg_available(void) |
1126 | { | |
1127 | return 1; | |
1128 | } | |
1129 | ||
ad96090a BS |
1130 | int kvm_available(void) |
1131 | { | |
1132 | #ifdef CONFIG_KVM | |
1133 | return 1; | |
1134 | #else | |
1135 | return 0; | |
1136 | #endif | |
1137 | } | |
1138 | ||
1139 | int xen_available(void) | |
1140 | { | |
1141 | #ifdef CONFIG_XEN | |
1142 | return 1; | |
1143 | #else | |
1144 | return 0; | |
1145 | #endif | |
1146 | } | |
99afc91d DB |
1147 | |
1148 | ||
1149 | TargetInfo *qmp_query_target(Error **errp) | |
1150 | { | |
1151 | TargetInfo *info = g_malloc0(sizeof(*info)); | |
1152 | ||
1153 | info->arch = TARGET_TYPE; | |
1154 | ||
1155 | return info; | |
1156 | } |