]>
Commit | Line | Data |
---|---|---|
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" | |
83c9089e | 32 | #include "monitor/monitor.h" |
9c17d615 | 33 | #include "sysemu/sysemu.h" |
1de7afc9 PB |
34 | #include "qemu/bitops.h" |
35 | #include "qemu/bitmap.h" | |
9c17d615 | 36 | #include "sysemu/arch_init.h" |
ad96090a BS |
37 | #include "audio/audio.h" |
38 | #include "hw/pc.h" | |
a2cb15b0 | 39 | #include "hw/pci/pci.h" |
ad96090a | 40 | #include "hw/audiodev.h" |
9c17d615 | 41 | #include "sysemu/kvm.h" |
caf71f86 | 42 | #include "migration/migration.h" |
022c62cb | 43 | #include "exec/gdbstub.h" |
ad96090a | 44 | #include "hw/smbios.h" |
022c62cb | 45 | #include "exec/address-spaces.h" |
302fe51b | 46 | #include "hw/pcspk.h" |
caf71f86 | 47 | #include "migration/page_cache.h" |
1de7afc9 | 48 | #include "qemu/config-file.h" |
99afc91d | 49 | #include "qmp-commands.h" |
3c12193d | 50 | #include "trace.h" |
0d6d3c87 | 51 | #include "exec/cpu-all.h" |
ad96090a | 52 | |
3a697f69 OW |
53 | #ifdef DEBUG_ARCH_INIT |
54 | #define DPRINTF(fmt, ...) \ | |
55 | do { fprintf(stdout, "arch_init: " fmt, ## __VA_ARGS__); } while (0) | |
56 | #else | |
57 | #define DPRINTF(fmt, ...) \ | |
58 | do { } while (0) | |
59 | #endif | |
60 | ||
ad96090a BS |
61 | #ifdef TARGET_SPARC |
62 | int graphic_width = 1024; | |
63 | int graphic_height = 768; | |
64 | int graphic_depth = 8; | |
65 | #else | |
66 | int graphic_width = 800; | |
67 | int graphic_height = 600; | |
68 | int graphic_depth = 15; | |
69 | #endif | |
70 | ||
ad96090a BS |
71 | |
72 | #if defined(TARGET_ALPHA) | |
73 | #define QEMU_ARCH QEMU_ARCH_ALPHA | |
74 | #elif defined(TARGET_ARM) | |
75 | #define QEMU_ARCH QEMU_ARCH_ARM | |
76 | #elif defined(TARGET_CRIS) | |
77 | #define QEMU_ARCH QEMU_ARCH_CRIS | |
78 | #elif defined(TARGET_I386) | |
79 | #define QEMU_ARCH QEMU_ARCH_I386 | |
80 | #elif defined(TARGET_M68K) | |
81 | #define QEMU_ARCH QEMU_ARCH_M68K | |
81ea0e13 MW |
82 | #elif defined(TARGET_LM32) |
83 | #define QEMU_ARCH QEMU_ARCH_LM32 | |
ad96090a BS |
84 | #elif defined(TARGET_MICROBLAZE) |
85 | #define QEMU_ARCH QEMU_ARCH_MICROBLAZE | |
86 | #elif defined(TARGET_MIPS) | |
87 | #define QEMU_ARCH QEMU_ARCH_MIPS | |
e67db06e JL |
88 | #elif defined(TARGET_OPENRISC) |
89 | #define QEMU_ARCH QEMU_ARCH_OPENRISC | |
ad96090a BS |
90 | #elif defined(TARGET_PPC) |
91 | #define QEMU_ARCH QEMU_ARCH_PPC | |
92 | #elif defined(TARGET_S390X) | |
93 | #define QEMU_ARCH QEMU_ARCH_S390X | |
94 | #elif defined(TARGET_SH4) | |
95 | #define QEMU_ARCH QEMU_ARCH_SH4 | |
96 | #elif defined(TARGET_SPARC) | |
97 | #define QEMU_ARCH QEMU_ARCH_SPARC | |
2328826b MF |
98 | #elif defined(TARGET_XTENSA) |
99 | #define QEMU_ARCH QEMU_ARCH_XTENSA | |
4f23a1e6 GX |
100 | #elif defined(TARGET_UNICORE32) |
101 | #define QEMU_ARCH QEMU_ARCH_UNICORE32 | |
ad96090a BS |
102 | #endif |
103 | ||
104 | const uint32_t arch_type = QEMU_ARCH; | |
105 | ||
106 | /***********************************************************/ | |
107 | /* ram save/restore */ | |
108 | ||
d20878d2 YT |
109 | #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ |
110 | #define RAM_SAVE_FLAG_COMPRESS 0x02 | |
111 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 | |
112 | #define RAM_SAVE_FLAG_PAGE 0x08 | |
113 | #define RAM_SAVE_FLAG_EOS 0x10 | |
114 | #define RAM_SAVE_FLAG_CONTINUE 0x20 | |
17ad9b35 | 115 | #define RAM_SAVE_FLAG_XBZRLE 0x40 |
ad96090a | 116 | |
86003615 PB |
117 | #ifdef __ALTIVEC__ |
118 | #include <altivec.h> | |
119 | #define VECTYPE vector unsigned char | |
120 | #define SPLAT(p) vec_splat(vec_ld(0, p), 0) | |
121 | #define ALL_EQ(v1, v2) vec_all_eq(v1, v2) | |
f283edc4 AF |
122 | /* altivec.h may redefine the bool macro as vector type. |
123 | * Reset it to POSIX semantics. */ | |
124 | #undef bool | |
125 | #define bool _Bool | |
86003615 PB |
126 | #elif defined __SSE2__ |
127 | #include <emmintrin.h> | |
128 | #define VECTYPE __m128i | |
129 | #define SPLAT(p) _mm_set1_epi8(*(p)) | |
130 | #define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF) | |
131 | #else | |
132 | #define VECTYPE unsigned long | |
133 | #define SPLAT(p) (*(p) * (~0UL / 255)) | |
134 | #define ALL_EQ(v1, v2) ((v1) == (v2)) | |
135 | #endif | |
136 | ||
b5a8fe5e | 137 | |
756557de EH |
138 | static struct defconfig_file { |
139 | const char *filename; | |
f29a5614 EH |
140 | /* Indicates it is an user config file (disabled by -no-user-config) */ |
141 | bool userconfig; | |
756557de | 142 | } default_config_files[] = { |
f29a5614 EH |
143 | { CONFIG_QEMU_CONFDIR "/qemu.conf", true }, |
144 | { CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf", true }, | |
756557de EH |
145 | { NULL }, /* end of list */ |
146 | }; | |
147 | ||
148 | ||
f29a5614 | 149 | int qemu_read_default_config_files(bool userconfig) |
b5a8fe5e EH |
150 | { |
151 | int ret; | |
756557de | 152 | struct defconfig_file *f; |
b5a8fe5e | 153 | |
756557de | 154 | for (f = default_config_files; f->filename; f++) { |
f29a5614 EH |
155 | if (!userconfig && f->userconfig) { |
156 | continue; | |
157 | } | |
756557de EH |
158 | ret = qemu_read_config_file(f->filename); |
159 | if (ret < 0 && ret != -ENOENT) { | |
160 | return ret; | |
161 | } | |
b5a8fe5e | 162 | } |
756557de | 163 | |
b5a8fe5e EH |
164 | return 0; |
165 | } | |
166 | ||
86003615 | 167 | static int is_dup_page(uint8_t *page) |
ad96090a | 168 | { |
86003615 PB |
169 | VECTYPE *p = (VECTYPE *)page; |
170 | VECTYPE val = SPLAT(page); | |
ad96090a BS |
171 | int i; |
172 | ||
86003615 PB |
173 | for (i = 0; i < TARGET_PAGE_SIZE / sizeof(VECTYPE); i++) { |
174 | if (!ALL_EQ(val, p[i])) { | |
ad96090a BS |
175 | return 0; |
176 | } | |
177 | } | |
178 | ||
179 | return 1; | |
180 | } | |
181 | ||
17ad9b35 OW |
182 | /* struct contains XBZRLE cache and a static page |
183 | used by the compression */ | |
184 | static struct { | |
185 | /* buffer used for XBZRLE encoding */ | |
186 | uint8_t *encoded_buf; | |
187 | /* buffer for storing page content */ | |
188 | uint8_t *current_buf; | |
189 | /* buffer used for XBZRLE decoding */ | |
190 | uint8_t *decoded_buf; | |
191 | /* Cache for XBZRLE */ | |
192 | PageCache *cache; | |
193 | } XBZRLE = { | |
194 | .encoded_buf = NULL, | |
195 | .current_buf = NULL, | |
196 | .decoded_buf = NULL, | |
197 | .cache = NULL, | |
198 | }; | |
199 | ||
9e1ba4cc OW |
200 | |
201 | int64_t xbzrle_cache_resize(int64_t new_size) | |
202 | { | |
203 | if (XBZRLE.cache != NULL) { | |
204 | return cache_resize(XBZRLE.cache, new_size / TARGET_PAGE_SIZE) * | |
205 | TARGET_PAGE_SIZE; | |
206 | } | |
207 | return pow2floor(new_size); | |
208 | } | |
209 | ||
004d4c10 OW |
210 | /* accounting for migration statistics */ |
211 | typedef struct AccountingInfo { | |
212 | uint64_t dup_pages; | |
213 | uint64_t norm_pages; | |
214 | uint64_t iterations; | |
f36d55af OW |
215 | uint64_t xbzrle_bytes; |
216 | uint64_t xbzrle_pages; | |
217 | uint64_t xbzrle_cache_miss; | |
218 | uint64_t xbzrle_overflows; | |
004d4c10 OW |
219 | } AccountingInfo; |
220 | ||
221 | static AccountingInfo acct_info; | |
222 | ||
223 | static void acct_clear(void) | |
224 | { | |
225 | memset(&acct_info, 0, sizeof(acct_info)); | |
226 | } | |
227 | ||
228 | uint64_t dup_mig_bytes_transferred(void) | |
229 | { | |
230 | return acct_info.dup_pages * TARGET_PAGE_SIZE; | |
231 | } | |
232 | ||
233 | uint64_t dup_mig_pages_transferred(void) | |
234 | { | |
235 | return acct_info.dup_pages; | |
236 | } | |
237 | ||
238 | uint64_t norm_mig_bytes_transferred(void) | |
239 | { | |
240 | return acct_info.norm_pages * TARGET_PAGE_SIZE; | |
241 | } | |
242 | ||
243 | uint64_t norm_mig_pages_transferred(void) | |
244 | { | |
245 | return acct_info.norm_pages; | |
246 | } | |
247 | ||
f36d55af OW |
248 | uint64_t xbzrle_mig_bytes_transferred(void) |
249 | { | |
250 | return acct_info.xbzrle_bytes; | |
251 | } | |
252 | ||
253 | uint64_t xbzrle_mig_pages_transferred(void) | |
254 | { | |
255 | return acct_info.xbzrle_pages; | |
256 | } | |
257 | ||
258 | uint64_t xbzrle_mig_pages_cache_miss(void) | |
259 | { | |
260 | return acct_info.xbzrle_cache_miss; | |
261 | } | |
262 | ||
263 | uint64_t xbzrle_mig_pages_overflow(void) | |
264 | { | |
265 | return acct_info.xbzrle_overflows; | |
266 | } | |
267 | ||
0c51f43d OW |
268 | static void save_block_hdr(QEMUFile *f, RAMBlock *block, ram_addr_t offset, |
269 | int cont, int flag) | |
270 | { | |
271 | qemu_put_be64(f, offset | cont | flag); | |
272 | if (!cont) { | |
273 | qemu_put_byte(f, strlen(block->idstr)); | |
274 | qemu_put_buffer(f, (uint8_t *)block->idstr, | |
275 | strlen(block->idstr)); | |
276 | } | |
277 | ||
278 | } | |
279 | ||
17ad9b35 OW |
280 | #define ENCODING_FLAG_XBZRLE 0x1 |
281 | ||
282 | static int save_xbzrle_page(QEMUFile *f, uint8_t *current_data, | |
283 | ram_addr_t current_addr, RAMBlock *block, | |
dd051c72 | 284 | ram_addr_t offset, int cont, bool last_stage) |
17ad9b35 OW |
285 | { |
286 | int encoded_len = 0, bytes_sent = -1; | |
287 | uint8_t *prev_cached_page; | |
288 | ||
289 | if (!cache_is_cached(XBZRLE.cache, current_addr)) { | |
dd051c72 JQ |
290 | if (!last_stage) { |
291 | cache_insert(XBZRLE.cache, current_addr, | |
292 | g_memdup(current_data, TARGET_PAGE_SIZE)); | |
293 | } | |
f36d55af | 294 | acct_info.xbzrle_cache_miss++; |
17ad9b35 OW |
295 | return -1; |
296 | } | |
297 | ||
298 | prev_cached_page = get_cached_data(XBZRLE.cache, current_addr); | |
299 | ||
300 | /* save current buffer into memory */ | |
301 | memcpy(XBZRLE.current_buf, current_data, TARGET_PAGE_SIZE); | |
302 | ||
303 | /* XBZRLE encoding (if there is no overflow) */ | |
304 | encoded_len = xbzrle_encode_buffer(prev_cached_page, XBZRLE.current_buf, | |
305 | TARGET_PAGE_SIZE, XBZRLE.encoded_buf, | |
306 | TARGET_PAGE_SIZE); | |
307 | if (encoded_len == 0) { | |
308 | DPRINTF("Skipping unmodified page\n"); | |
309 | return 0; | |
310 | } else if (encoded_len == -1) { | |
311 | DPRINTF("Overflow\n"); | |
f36d55af | 312 | acct_info.xbzrle_overflows++; |
17ad9b35 OW |
313 | /* update data in the cache */ |
314 | memcpy(prev_cached_page, current_data, TARGET_PAGE_SIZE); | |
315 | return -1; | |
316 | } | |
317 | ||
318 | /* we need to update the data in the cache, in order to get the same data */ | |
dd051c72 JQ |
319 | if (!last_stage) { |
320 | memcpy(prev_cached_page, XBZRLE.current_buf, TARGET_PAGE_SIZE); | |
321 | } | |
17ad9b35 OW |
322 | |
323 | /* Send XBZRLE based compressed page */ | |
324 | save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_XBZRLE); | |
325 | qemu_put_byte(f, ENCODING_FLAG_XBZRLE); | |
326 | qemu_put_be16(f, encoded_len); | |
327 | qemu_put_buffer(f, XBZRLE.encoded_buf, encoded_len); | |
328 | bytes_sent = encoded_len + 1 + 2; | |
f36d55af OW |
329 | acct_info.xbzrle_pages++; |
330 | acct_info.xbzrle_bytes += bytes_sent; | |
17ad9b35 OW |
331 | |
332 | return bytes_sent; | |
333 | } | |
334 | ||
b23a9a5c JQ |
335 | |
336 | /* This is the last block that we have visited serching for dirty pages | |
337 | */ | |
338 | static RAMBlock *last_seen_block; | |
760e77ea | 339 | static ram_addr_t last_offset; |
c6bf8e0e JQ |
340 | static unsigned long *migration_bitmap; |
341 | static uint64_t migration_dirty_pages; | |
f798b07f | 342 | static uint32_t last_version; |
760e77ea | 343 | |
69268cde JQ |
344 | static inline bool migration_bitmap_test_and_reset_dirty(MemoryRegion *mr, |
345 | ram_addr_t offset) | |
346 | { | |
c6bf8e0e JQ |
347 | bool ret; |
348 | int nr = (mr->ram_addr + offset) >> TARGET_PAGE_BITS; | |
349 | ||
350 | ret = test_and_clear_bit(nr, migration_bitmap); | |
69268cde JQ |
351 | |
352 | if (ret) { | |
c6bf8e0e | 353 | migration_dirty_pages--; |
69268cde JQ |
354 | } |
355 | return ret; | |
356 | } | |
357 | ||
c6bf8e0e JQ |
358 | static inline bool migration_bitmap_set_dirty(MemoryRegion *mr, |
359 | ram_addr_t offset) | |
e44d26c8 | 360 | { |
c6bf8e0e JQ |
361 | bool ret; |
362 | int nr = (mr->ram_addr + offset) >> TARGET_PAGE_BITS; | |
e44d26c8 | 363 | |
c6bf8e0e JQ |
364 | ret = test_and_set_bit(nr, migration_bitmap); |
365 | ||
366 | if (!ret) { | |
367 | migration_dirty_pages++; | |
e44d26c8 | 368 | } |
c6bf8e0e | 369 | return ret; |
e44d26c8 JQ |
370 | } |
371 | ||
dd2df737 JQ |
372 | static void migration_bitmap_sync(void) |
373 | { | |
c6bf8e0e JQ |
374 | RAMBlock *block; |
375 | ram_addr_t addr; | |
376 | uint64_t num_dirty_pages_init = migration_dirty_pages; | |
8d017193 JQ |
377 | MigrationState *s = migrate_get_current(); |
378 | static int64_t start_time; | |
379 | static int64_t num_dirty_pages_period; | |
380 | int64_t end_time; | |
381 | ||
382 | if (!start_time) { | |
383 | start_time = qemu_get_clock_ms(rt_clock); | |
384 | } | |
3c12193d JQ |
385 | |
386 | trace_migration_bitmap_sync_start(); | |
dd2df737 | 387 | memory_global_sync_dirty_bitmap(get_system_memory()); |
c6bf8e0e | 388 | |
a3161038 | 389 | QTAILQ_FOREACH(block, &ram_list.blocks, next) { |
c6bf8e0e JQ |
390 | for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) { |
391 | if (memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE, | |
392 | DIRTY_MEMORY_MIGRATION)) { | |
393 | migration_bitmap_set_dirty(block->mr, addr); | |
394 | } | |
395 | } | |
396 | memory_region_reset_dirty(block->mr, 0, block->length, | |
397 | DIRTY_MEMORY_MIGRATION); | |
398 | } | |
399 | trace_migration_bitmap_sync_end(migration_dirty_pages | |
3c12193d | 400 | - num_dirty_pages_init); |
8d017193 JQ |
401 | num_dirty_pages_period += migration_dirty_pages - num_dirty_pages_init; |
402 | end_time = qemu_get_clock_ms(rt_clock); | |
403 | ||
404 | /* more than 1 second = 1000 millisecons */ | |
405 | if (end_time > start_time + 1000) { | |
406 | s->dirty_pages_rate = num_dirty_pages_period * 1000 | |
407 | / (end_time - start_time); | |
408 | start_time = end_time; | |
409 | num_dirty_pages_period = 0; | |
410 | } | |
dd2df737 JQ |
411 | } |
412 | ||
6c779f22 OW |
413 | /* |
414 | * ram_save_block: Writes a page of memory to the stream f | |
415 | * | |
416 | * Returns: 0: if the page hasn't changed | |
417 | * -1: if there are no more dirty pages | |
418 | * n: the amount of bytes written in other case | |
419 | */ | |
420 | ||
dd051c72 | 421 | static int ram_save_block(QEMUFile *f, bool last_stage) |
ad96090a | 422 | { |
b23a9a5c | 423 | RAMBlock *block = last_seen_block; |
e44359c3 | 424 | ram_addr_t offset = last_offset; |
6c779f22 | 425 | int bytes_sent = -1; |
71c510e2 | 426 | MemoryRegion *mr; |
17ad9b35 | 427 | ram_addr_t current_addr; |
ad96090a | 428 | |
e44359c3 | 429 | if (!block) |
a3161038 | 430 | block = QTAILQ_FIRST(&ram_list.blocks); |
e44359c3 | 431 | |
e44359c3 | 432 | do { |
71c510e2 | 433 | mr = block->mr; |
69268cde | 434 | if (migration_bitmap_test_and_reset_dirty(mr, offset)) { |
ad96090a | 435 | uint8_t *p; |
b23a9a5c JQ |
436 | int cont = (block == last_seen_block) ? |
437 | RAM_SAVE_FLAG_CONTINUE : 0; | |
ad96090a | 438 | |
71c510e2 | 439 | p = memory_region_get_ram_ptr(mr) + offset; |
ad96090a | 440 | |
86003615 | 441 | if (is_dup_page(p)) { |
004d4c10 | 442 | acct_info.dup_pages++; |
0c51f43d | 443 | save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_COMPRESS); |
ad96090a | 444 | qemu_put_byte(f, *p); |
3fc250b4 | 445 | bytes_sent = 1; |
17ad9b35 OW |
446 | } else if (migrate_use_xbzrle()) { |
447 | current_addr = block->offset + offset; | |
448 | bytes_sent = save_xbzrle_page(f, p, current_addr, block, | |
dd051c72 JQ |
449 | offset, cont, last_stage); |
450 | if (!last_stage) { | |
451 | p = get_cached_data(XBZRLE.cache, current_addr); | |
452 | } | |
17ad9b35 OW |
453 | } |
454 | ||
455 | /* either we didn't send yet (we may have had XBZRLE overflow) */ | |
456 | if (bytes_sent == -1) { | |
0c51f43d | 457 | save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_PAGE); |
ad96090a | 458 | qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
3fc250b4 | 459 | bytes_sent = TARGET_PAGE_SIZE; |
004d4c10 | 460 | acct_info.norm_pages++; |
ad96090a BS |
461 | } |
462 | ||
17ad9b35 OW |
463 | /* if page is unmodified, continue to the next */ |
464 | if (bytes_sent != 0) { | |
465 | break; | |
466 | } | |
ad96090a | 467 | } |
e44359c3 AW |
468 | |
469 | offset += TARGET_PAGE_SIZE; | |
470 | if (offset >= block->length) { | |
471 | offset = 0; | |
a3161038 | 472 | block = QTAILQ_NEXT(block, next); |
e44359c3 | 473 | if (!block) |
a3161038 | 474 | block = QTAILQ_FIRST(&ram_list.blocks); |
e44359c3 | 475 | } |
b23a9a5c | 476 | } while (block != last_seen_block || offset != last_offset); |
e44359c3 | 477 | |
b23a9a5c | 478 | last_seen_block = block; |
e44359c3 | 479 | last_offset = offset; |
ad96090a | 480 | |
3fc250b4 | 481 | return bytes_sent; |
ad96090a BS |
482 | } |
483 | ||
484 | static uint64_t bytes_transferred; | |
485 | ||
486 | static ram_addr_t ram_save_remaining(void) | |
487 | { | |
c6bf8e0e | 488 | return migration_dirty_pages; |
ad96090a BS |
489 | } |
490 | ||
491 | uint64_t ram_bytes_remaining(void) | |
492 | { | |
493 | return ram_save_remaining() * TARGET_PAGE_SIZE; | |
494 | } | |
495 | ||
496 | uint64_t ram_bytes_transferred(void) | |
497 | { | |
498 | return bytes_transferred; | |
499 | } | |
500 | ||
501 | uint64_t ram_bytes_total(void) | |
502 | { | |
d17b5288 AW |
503 | RAMBlock *block; |
504 | uint64_t total = 0; | |
505 | ||
a3161038 | 506 | QTAILQ_FOREACH(block, &ram_list.blocks, next) |
d17b5288 AW |
507 | total += block->length; |
508 | ||
509 | return total; | |
ad96090a BS |
510 | } |
511 | ||
8e21cd32 OW |
512 | static void migration_end(void) |
513 | { | |
244eaa75 PB |
514 | if (migration_bitmap) { |
515 | memory_global_dirty_log_stop(); | |
516 | g_free(migration_bitmap); | |
517 | migration_bitmap = NULL; | |
518 | } | |
17ad9b35 | 519 | |
244eaa75 | 520 | if (XBZRLE.cache) { |
17ad9b35 OW |
521 | cache_fini(XBZRLE.cache); |
522 | g_free(XBZRLE.cache); | |
523 | g_free(XBZRLE.encoded_buf); | |
524 | g_free(XBZRLE.current_buf); | |
525 | g_free(XBZRLE.decoded_buf); | |
526 | XBZRLE.cache = NULL; | |
527 | } | |
8e21cd32 OW |
528 | } |
529 | ||
9b5bfab0 JQ |
530 | static void ram_migration_cancel(void *opaque) |
531 | { | |
532 | migration_end(); | |
533 | } | |
534 | ||
5a170775 JQ |
535 | static void reset_ram_globals(void) |
536 | { | |
b23a9a5c | 537 | last_seen_block = NULL; |
5a170775 | 538 | last_offset = 0; |
f798b07f | 539 | last_version = ram_list.version; |
5a170775 JQ |
540 | } |
541 | ||
4508bd9e JQ |
542 | #define MAX_WAIT 50 /* ms, half buffered_file limit */ |
543 | ||
d1315aac | 544 | static int ram_save_setup(QEMUFile *f, void *opaque) |
ad96090a | 545 | { |
d1315aac | 546 | RAMBlock *block; |
c6bf8e0e JQ |
547 | int64_t ram_pages = last_ram_offset() >> TARGET_PAGE_BITS; |
548 | ||
549 | migration_bitmap = bitmap_new(ram_pages); | |
7ec81e56 | 550 | bitmap_set(migration_bitmap, 0, ram_pages); |
c6bf8e0e | 551 | migration_dirty_pages = ram_pages; |
ad96090a | 552 | |
b2a8658e | 553 | qemu_mutex_lock_ramlist(); |
d1315aac | 554 | bytes_transferred = 0; |
5a170775 | 555 | reset_ram_globals(); |
ad96090a | 556 | |
17ad9b35 OW |
557 | if (migrate_use_xbzrle()) { |
558 | XBZRLE.cache = cache_init(migrate_xbzrle_cache_size() / | |
559 | TARGET_PAGE_SIZE, | |
560 | TARGET_PAGE_SIZE); | |
561 | if (!XBZRLE.cache) { | |
562 | DPRINTF("Error creating cache\n"); | |
563 | return -1; | |
564 | } | |
565 | XBZRLE.encoded_buf = g_malloc0(TARGET_PAGE_SIZE); | |
566 | XBZRLE.current_buf = g_malloc(TARGET_PAGE_SIZE); | |
004d4c10 | 567 | acct_clear(); |
17ad9b35 OW |
568 | } |
569 | ||
d1315aac | 570 | memory_global_dirty_log_start(); |
c6bf8e0e | 571 | migration_bitmap_sync(); |
ad96090a | 572 | |
d1315aac | 573 | qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE); |
97ab12d4 | 574 | |
a3161038 | 575 | QTAILQ_FOREACH(block, &ram_list.blocks, next) { |
d1315aac JQ |
576 | qemu_put_byte(f, strlen(block->idstr)); |
577 | qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr)); | |
578 | qemu_put_be64(f, block->length); | |
ad96090a BS |
579 | } |
580 | ||
b2a8658e | 581 | qemu_mutex_unlock_ramlist(); |
d1315aac JQ |
582 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
583 | ||
584 | return 0; | |
585 | } | |
586 | ||
16310a3c | 587 | static int ram_save_iterate(QEMUFile *f, void *opaque) |
d1315aac | 588 | { |
d1315aac JQ |
589 | int ret; |
590 | int i; | |
e4ed1541 | 591 | int64_t t0; |
d1315aac | 592 | |
b2a8658e UD |
593 | qemu_mutex_lock_ramlist(); |
594 | ||
f798b07f UD |
595 | if (ram_list.version != last_version) { |
596 | reset_ram_globals(); | |
597 | } | |
598 | ||
e4ed1541 | 599 | t0 = qemu_get_clock_ns(rt_clock); |
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) { | |
e4ed1541 | 617 | uint64_t t1 = (qemu_get_clock_ns(rt_clock) - t0) / 1000000; |
4508bd9e | 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 | ||
b2a8658e | 631 | qemu_mutex_unlock_ramlist(); |
16310a3c JQ |
632 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
633 | ||
e4ed1541 | 634 | return i; |
16310a3c JQ |
635 | } |
636 | ||
637 | static int ram_save_complete(QEMUFile *f, void *opaque) | |
638 | { | |
dd2df737 | 639 | migration_bitmap_sync(); |
16310a3c | 640 | |
b2a8658e UD |
641 | qemu_mutex_lock_ramlist(); |
642 | ||
ad96090a | 643 | /* try transferring iterative blocks of memory */ |
3a697f69 | 644 | |
16310a3c | 645 | /* flush all remaining blocks regardless of rate limiting */ |
6c779f22 | 646 | while (true) { |
3fc250b4 PR |
647 | int bytes_sent; |
648 | ||
dd051c72 | 649 | bytes_sent = ram_save_block(f, true); |
6c779f22 OW |
650 | /* no more blocks to sent */ |
651 | if (bytes_sent < 0) { | |
652 | break; | |
ad96090a | 653 | } |
16310a3c | 654 | bytes_transferred += bytes_sent; |
ad96090a | 655 | } |
244eaa75 | 656 | migration_end(); |
ad96090a | 657 | |
b2a8658e | 658 | qemu_mutex_unlock_ramlist(); |
ad96090a BS |
659 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
660 | ||
5b3c9638 | 661 | return 0; |
ad96090a BS |
662 | } |
663 | ||
e4ed1541 JQ |
664 | static uint64_t ram_save_pending(QEMUFile *f, void *opaque, uint64_t max_size) |
665 | { | |
666 | uint64_t remaining_size; | |
667 | ||
668 | remaining_size = ram_save_remaining() * TARGET_PAGE_SIZE; | |
669 | ||
670 | if (remaining_size < max_size) { | |
671 | migration_bitmap_sync(); | |
672 | remaining_size = ram_save_remaining() * TARGET_PAGE_SIZE; | |
673 | } | |
674 | return remaining_size; | |
675 | } | |
676 | ||
17ad9b35 OW |
677 | static int load_xbzrle(QEMUFile *f, ram_addr_t addr, void *host) |
678 | { | |
679 | int ret, rc = 0; | |
680 | unsigned int xh_len; | |
681 | int xh_flags; | |
682 | ||
683 | if (!XBZRLE.decoded_buf) { | |
684 | XBZRLE.decoded_buf = g_malloc(TARGET_PAGE_SIZE); | |
685 | } | |
686 | ||
687 | /* extract RLE header */ | |
688 | xh_flags = qemu_get_byte(f); | |
689 | xh_len = qemu_get_be16(f); | |
690 | ||
691 | if (xh_flags != ENCODING_FLAG_XBZRLE) { | |
692 | fprintf(stderr, "Failed to load XBZRLE page - wrong compression!\n"); | |
693 | return -1; | |
694 | } | |
695 | ||
696 | if (xh_len > TARGET_PAGE_SIZE) { | |
697 | fprintf(stderr, "Failed to load XBZRLE page - len overflow!\n"); | |
698 | return -1; | |
699 | } | |
700 | /* load data and decode */ | |
701 | qemu_get_buffer(f, XBZRLE.decoded_buf, xh_len); | |
702 | ||
703 | /* decode RLE */ | |
704 | ret = xbzrle_decode_buffer(XBZRLE.decoded_buf, xh_len, host, | |
705 | TARGET_PAGE_SIZE); | |
706 | if (ret == -1) { | |
707 | fprintf(stderr, "Failed to load XBZRLE page - decode error!\n"); | |
708 | rc = -1; | |
709 | } else if (ret > TARGET_PAGE_SIZE) { | |
710 | fprintf(stderr, "Failed to load XBZRLE page - size %d exceeds %d!\n", | |
711 | ret, TARGET_PAGE_SIZE); | |
712 | abort(); | |
713 | } | |
714 | ||
715 | return rc; | |
716 | } | |
717 | ||
a55bbe31 AW |
718 | static inline void *host_from_stream_offset(QEMUFile *f, |
719 | ram_addr_t offset, | |
720 | int flags) | |
721 | { | |
722 | static RAMBlock *block = NULL; | |
723 | char id[256]; | |
724 | uint8_t len; | |
725 | ||
726 | if (flags & RAM_SAVE_FLAG_CONTINUE) { | |
727 | if (!block) { | |
728 | fprintf(stderr, "Ack, bad migration stream!\n"); | |
729 | return NULL; | |
730 | } | |
731 | ||
dc94a7ed | 732 | return memory_region_get_ram_ptr(block->mr) + offset; |
a55bbe31 AW |
733 | } |
734 | ||
735 | len = qemu_get_byte(f); | |
736 | qemu_get_buffer(f, (uint8_t *)id, len); | |
737 | id[len] = 0; | |
738 | ||
a3161038 | 739 | QTAILQ_FOREACH(block, &ram_list.blocks, next) { |
a55bbe31 | 740 | if (!strncmp(id, block->idstr, sizeof(id))) |
dc94a7ed | 741 | return memory_region_get_ram_ptr(block->mr) + offset; |
a55bbe31 AW |
742 | } |
743 | ||
744 | fprintf(stderr, "Can't find block %s!\n", id); | |
745 | return NULL; | |
746 | } | |
747 | ||
7908c78d | 748 | static int ram_load(QEMUFile *f, void *opaque, int version_id) |
ad96090a BS |
749 | { |
750 | ram_addr_t addr; | |
3a697f69 | 751 | int flags, ret = 0; |
42802d47 | 752 | int error; |
3a697f69 OW |
753 | static uint64_t seq_iter; |
754 | ||
755 | seq_iter++; | |
ad96090a | 756 | |
f09f2189 | 757 | if (version_id < 4 || version_id > 4) { |
ad96090a BS |
758 | return -EINVAL; |
759 | } | |
760 | ||
761 | do { | |
762 | addr = qemu_get_be64(f); | |
763 | ||
764 | flags = addr & ~TARGET_PAGE_MASK; | |
765 | addr &= TARGET_PAGE_MASK; | |
766 | ||
767 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { | |
f09f2189 | 768 | if (version_id == 4) { |
97ab12d4 AW |
769 | /* Synchronize RAM block list */ |
770 | char id[256]; | |
771 | ram_addr_t length; | |
772 | ram_addr_t total_ram_bytes = addr; | |
773 | ||
774 | while (total_ram_bytes) { | |
775 | RAMBlock *block; | |
776 | uint8_t len; | |
777 | ||
778 | len = qemu_get_byte(f); | |
779 | qemu_get_buffer(f, (uint8_t *)id, len); | |
780 | id[len] = 0; | |
781 | length = qemu_get_be64(f); | |
782 | ||
a3161038 | 783 | QTAILQ_FOREACH(block, &ram_list.blocks, next) { |
97ab12d4 | 784 | if (!strncmp(id, block->idstr, sizeof(id))) { |
3a697f69 OW |
785 | if (block->length != length) { |
786 | ret = -EINVAL; | |
787 | goto done; | |
788 | } | |
97ab12d4 AW |
789 | break; |
790 | } | |
791 | } | |
792 | ||
793 | if (!block) { | |
fb787f81 AW |
794 | fprintf(stderr, "Unknown ramblock \"%s\", cannot " |
795 | "accept migration\n", id); | |
3a697f69 OW |
796 | ret = -EINVAL; |
797 | goto done; | |
97ab12d4 AW |
798 | } |
799 | ||
800 | total_ram_bytes -= length; | |
801 | } | |
ad96090a BS |
802 | } |
803 | } | |
804 | ||
805 | if (flags & RAM_SAVE_FLAG_COMPRESS) { | |
97ab12d4 AW |
806 | void *host; |
807 | uint8_t ch; | |
808 | ||
f09f2189 | 809 | host = host_from_stream_offset(f, addr, flags); |
492fb99c MT |
810 | if (!host) { |
811 | return -EINVAL; | |
812 | } | |
97ab12d4 | 813 | |
97ab12d4 AW |
814 | ch = qemu_get_byte(f); |
815 | memset(host, ch, TARGET_PAGE_SIZE); | |
ad96090a BS |
816 | #ifndef _WIN32 |
817 | if (ch == 0 && | |
45e6cee4 DG |
818 | (!kvm_enabled() || kvm_has_sync_mmu()) && |
819 | getpagesize() <= TARGET_PAGE_SIZE) { | |
e78815a5 | 820 | qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED); |
ad96090a BS |
821 | } |
822 | #endif | |
823 | } else if (flags & RAM_SAVE_FLAG_PAGE) { | |
97ab12d4 AW |
824 | void *host; |
825 | ||
f09f2189 | 826 | host = host_from_stream_offset(f, addr, flags); |
0ff1f9f5 OW |
827 | if (!host) { |
828 | return -EINVAL; | |
829 | } | |
97ab12d4 | 830 | |
97ab12d4 | 831 | qemu_get_buffer(f, host, TARGET_PAGE_SIZE); |
17ad9b35 OW |
832 | } else if (flags & RAM_SAVE_FLAG_XBZRLE) { |
833 | if (!migrate_use_xbzrle()) { | |
834 | return -EINVAL; | |
835 | } | |
836 | void *host = host_from_stream_offset(f, addr, flags); | |
837 | if (!host) { | |
838 | return -EINVAL; | |
839 | } | |
840 | ||
841 | if (load_xbzrle(f, addr, host) < 0) { | |
842 | ret = -EINVAL; | |
843 | goto done; | |
844 | } | |
ad96090a | 845 | } |
42802d47 JQ |
846 | error = qemu_file_get_error(f); |
847 | if (error) { | |
3a697f69 OW |
848 | ret = error; |
849 | goto done; | |
ad96090a BS |
850 | } |
851 | } while (!(flags & RAM_SAVE_FLAG_EOS)); | |
852 | ||
3a697f69 | 853 | done: |
ef37a699 IM |
854 | DPRINTF("Completed load of VM with exit code %d seq iteration " |
855 | "%" PRIu64 "\n", ret, seq_iter); | |
3a697f69 | 856 | return ret; |
ad96090a BS |
857 | } |
858 | ||
7908c78d | 859 | SaveVMHandlers savevm_ram_handlers = { |
d1315aac | 860 | .save_live_setup = ram_save_setup, |
16310a3c JQ |
861 | .save_live_iterate = ram_save_iterate, |
862 | .save_live_complete = ram_save_complete, | |
e4ed1541 | 863 | .save_live_pending = ram_save_pending, |
7908c78d | 864 | .load_state = ram_load, |
9b5bfab0 | 865 | .cancel = ram_migration_cancel, |
7908c78d JQ |
866 | }; |
867 | ||
ad96090a | 868 | #ifdef HAS_AUDIO |
0dfa5ef9 IY |
869 | struct soundhw { |
870 | const char *name; | |
871 | const char *descr; | |
872 | int enabled; | |
873 | int isa; | |
874 | union { | |
4a0f031d | 875 | int (*init_isa) (ISABus *bus); |
0dfa5ef9 IY |
876 | int (*init_pci) (PCIBus *bus); |
877 | } init; | |
878 | }; | |
879 | ||
880 | static struct soundhw soundhw[] = { | |
ad96090a | 881 | #ifdef HAS_AUDIO_CHOICE |
da12872a | 882 | #ifdef CONFIG_PCSPK |
ad96090a BS |
883 | { |
884 | "pcspk", | |
885 | "PC speaker", | |
886 | 0, | |
887 | 1, | |
888 | { .init_isa = pcspk_audio_init } | |
889 | }, | |
890 | #endif | |
891 | ||
892 | #ifdef CONFIG_SB16 | |
893 | { | |
894 | "sb16", | |
895 | "Creative Sound Blaster 16", | |
896 | 0, | |
897 | 1, | |
898 | { .init_isa = SB16_init } | |
899 | }, | |
900 | #endif | |
901 | ||
902 | #ifdef CONFIG_CS4231A | |
903 | { | |
904 | "cs4231a", | |
905 | "CS4231A", | |
906 | 0, | |
907 | 1, | |
908 | { .init_isa = cs4231a_init } | |
909 | }, | |
910 | #endif | |
911 | ||
912 | #ifdef CONFIG_ADLIB | |
913 | { | |
914 | "adlib", | |
915 | #ifdef HAS_YMF262 | |
916 | "Yamaha YMF262 (OPL3)", | |
917 | #else | |
918 | "Yamaha YM3812 (OPL2)", | |
919 | #endif | |
920 | 0, | |
921 | 1, | |
922 | { .init_isa = Adlib_init } | |
923 | }, | |
924 | #endif | |
925 | ||
926 | #ifdef CONFIG_GUS | |
927 | { | |
928 | "gus", | |
929 | "Gravis Ultrasound GF1", | |
930 | 0, | |
931 | 1, | |
932 | { .init_isa = GUS_init } | |
933 | }, | |
934 | #endif | |
935 | ||
936 | #ifdef CONFIG_AC97 | |
937 | { | |
938 | "ac97", | |
939 | "Intel 82801AA AC97 Audio", | |
940 | 0, | |
941 | 0, | |
942 | { .init_pci = ac97_init } | |
943 | }, | |
944 | #endif | |
945 | ||
946 | #ifdef CONFIG_ES1370 | |
947 | { | |
948 | "es1370", | |
949 | "ENSONIQ AudioPCI ES1370", | |
950 | 0, | |
951 | 0, | |
952 | { .init_pci = es1370_init } | |
953 | }, | |
954 | #endif | |
955 | ||
d61a4ce8 GH |
956 | #ifdef CONFIG_HDA |
957 | { | |
958 | "hda", | |
959 | "Intel HD Audio", | |
960 | 0, | |
961 | 0, | |
962 | { .init_pci = intel_hda_and_codec_init } | |
963 | }, | |
964 | #endif | |
965 | ||
ad96090a BS |
966 | #endif /* HAS_AUDIO_CHOICE */ |
967 | ||
968 | { NULL, NULL, 0, 0, { NULL } } | |
969 | }; | |
970 | ||
971 | void select_soundhw(const char *optarg) | |
972 | { | |
973 | struct soundhw *c; | |
974 | ||
c8057f95 | 975 | if (is_help_option(optarg)) { |
ad96090a BS |
976 | show_valid_cards: |
977 | ||
55d4fd3c | 978 | #ifdef HAS_AUDIO_CHOICE |
ad96090a BS |
979 | printf("Valid sound card names (comma separated):\n"); |
980 | for (c = soundhw; c->name; ++c) { | |
981 | printf ("%-11s %s\n", c->name, c->descr); | |
982 | } | |
983 | printf("\n-soundhw all will enable all of the above\n"); | |
55d4fd3c PM |
984 | #else |
985 | printf("Machine has no user-selectable audio hardware " | |
986 | "(it may or may not have always-present audio hardware).\n"); | |
987 | #endif | |
c8057f95 | 988 | exit(!is_help_option(optarg)); |
ad96090a BS |
989 | } |
990 | else { | |
991 | size_t l; | |
992 | const char *p; | |
993 | char *e; | |
994 | int bad_card = 0; | |
995 | ||
996 | if (!strcmp(optarg, "all")) { | |
997 | for (c = soundhw; c->name; ++c) { | |
998 | c->enabled = 1; | |
999 | } | |
1000 | return; | |
1001 | } | |
1002 | ||
1003 | p = optarg; | |
1004 | while (*p) { | |
1005 | e = strchr(p, ','); | |
1006 | l = !e ? strlen(p) : (size_t) (e - p); | |
1007 | ||
1008 | for (c = soundhw; c->name; ++c) { | |
1009 | if (!strncmp(c->name, p, l) && !c->name[l]) { | |
1010 | c->enabled = 1; | |
1011 | break; | |
1012 | } | |
1013 | } | |
1014 | ||
1015 | if (!c->name) { | |
1016 | if (l > 80) { | |
1017 | fprintf(stderr, | |
1018 | "Unknown sound card name (too big to show)\n"); | |
1019 | } | |
1020 | else { | |
1021 | fprintf(stderr, "Unknown sound card name `%.*s'\n", | |
1022 | (int) l, p); | |
1023 | } | |
1024 | bad_card = 1; | |
1025 | } | |
1026 | p += l + (e != NULL); | |
1027 | } | |
1028 | ||
1029 | if (bad_card) { | |
1030 | goto show_valid_cards; | |
1031 | } | |
1032 | } | |
1033 | } | |
0dfa5ef9 | 1034 | |
4a0f031d | 1035 | void audio_init(ISABus *isa_bus, PCIBus *pci_bus) |
0dfa5ef9 IY |
1036 | { |
1037 | struct soundhw *c; | |
1038 | ||
1039 | for (c = soundhw; c->name; ++c) { | |
1040 | if (c->enabled) { | |
1041 | if (c->isa) { | |
4a0f031d HP |
1042 | if (isa_bus) { |
1043 | c->init.init_isa(isa_bus); | |
0dfa5ef9 IY |
1044 | } |
1045 | } else { | |
1046 | if (pci_bus) { | |
1047 | c->init.init_pci(pci_bus); | |
1048 | } | |
1049 | } | |
1050 | } | |
1051 | } | |
1052 | } | |
ad96090a BS |
1053 | #else |
1054 | void select_soundhw(const char *optarg) | |
1055 | { | |
1056 | } | |
4a0f031d | 1057 | void audio_init(ISABus *isa_bus, PCIBus *pci_bus) |
0dfa5ef9 IY |
1058 | { |
1059 | } | |
ad96090a BS |
1060 | #endif |
1061 | ||
1062 | int qemu_uuid_parse(const char *str, uint8_t *uuid) | |
1063 | { | |
1064 | int ret; | |
1065 | ||
1066 | if (strlen(str) != 36) { | |
1067 | return -1; | |
1068 | } | |
1069 | ||
1070 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], | |
1071 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], | |
1072 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], | |
1073 | &uuid[15]); | |
1074 | ||
1075 | if (ret != 16) { | |
1076 | return -1; | |
1077 | } | |
1078 | #ifdef TARGET_I386 | |
1079 | smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); | |
1080 | #endif | |
1081 | return 0; | |
1082 | } | |
1083 | ||
1084 | void do_acpitable_option(const char *optarg) | |
1085 | { | |
1086 | #ifdef TARGET_I386 | |
1087 | if (acpi_table_add(optarg) < 0) { | |
1088 | fprintf(stderr, "Wrong acpi table provided\n"); | |
1089 | exit(1); | |
1090 | } | |
1091 | #endif | |
1092 | } | |
1093 | ||
1094 | void do_smbios_option(const char *optarg) | |
1095 | { | |
1096 | #ifdef TARGET_I386 | |
1097 | if (smbios_entry_add(optarg) < 0) { | |
1098 | fprintf(stderr, "Wrong smbios provided\n"); | |
1099 | exit(1); | |
1100 | } | |
1101 | #endif | |
1102 | } | |
1103 | ||
1104 | void cpudef_init(void) | |
1105 | { | |
1106 | #if defined(cpudef_setup) | |
1107 | cpudef_setup(); /* parse cpu definitions in target config file */ | |
1108 | #endif | |
1109 | } | |
1110 | ||
1111 | int audio_available(void) | |
1112 | { | |
1113 | #ifdef HAS_AUDIO | |
1114 | return 1; | |
1115 | #else | |
1116 | return 0; | |
1117 | #endif | |
1118 | } | |
1119 | ||
303d4e86 AP |
1120 | int tcg_available(void) |
1121 | { | |
1122 | return 1; | |
1123 | } | |
1124 | ||
ad96090a BS |
1125 | int kvm_available(void) |
1126 | { | |
1127 | #ifdef CONFIG_KVM | |
1128 | return 1; | |
1129 | #else | |
1130 | return 0; | |
1131 | #endif | |
1132 | } | |
1133 | ||
1134 | int xen_available(void) | |
1135 | { | |
1136 | #ifdef CONFIG_XEN | |
1137 | return 1; | |
1138 | #else | |
1139 | return 0; | |
1140 | #endif | |
1141 | } | |
99afc91d DB |
1142 | |
1143 | ||
1144 | TargetInfo *qmp_query_target(Error **errp) | |
1145 | { | |
1146 | TargetInfo *info = g_malloc0(sizeof(*info)); | |
1147 | ||
1148 | info->arch = TARGET_TYPE; | |
1149 | ||
1150 | return info; | |
1151 | } |