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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" | |
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 | |
d15a9c23 AG |
88 | #elif defined(TARGET_MOXIE) |
89 | #define QEMU_ARCH QEMU_ARCH_MOXIE | |
e67db06e JL |
90 | #elif defined(TARGET_OPENRISC) |
91 | #define QEMU_ARCH QEMU_ARCH_OPENRISC | |
ad96090a BS |
92 | #elif defined(TARGET_PPC) |
93 | #define QEMU_ARCH QEMU_ARCH_PPC | |
94 | #elif defined(TARGET_S390X) | |
95 | #define QEMU_ARCH QEMU_ARCH_S390X | |
96 | #elif defined(TARGET_SH4) | |
97 | #define QEMU_ARCH QEMU_ARCH_SH4 | |
98 | #elif defined(TARGET_SPARC) | |
99 | #define QEMU_ARCH QEMU_ARCH_SPARC | |
2328826b MF |
100 | #elif defined(TARGET_XTENSA) |
101 | #define QEMU_ARCH QEMU_ARCH_XTENSA | |
4f23a1e6 GX |
102 | #elif defined(TARGET_UNICORE32) |
103 | #define QEMU_ARCH QEMU_ARCH_UNICORE32 | |
ad96090a BS |
104 | #endif |
105 | ||
106 | const uint32_t arch_type = QEMU_ARCH; | |
107 | ||
108 | /***********************************************************/ | |
109 | /* ram save/restore */ | |
110 | ||
d20878d2 YT |
111 | #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ |
112 | #define RAM_SAVE_FLAG_COMPRESS 0x02 | |
113 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 | |
114 | #define RAM_SAVE_FLAG_PAGE 0x08 | |
115 | #define RAM_SAVE_FLAG_EOS 0x10 | |
116 | #define RAM_SAVE_FLAG_CONTINUE 0x20 | |
17ad9b35 | 117 | #define RAM_SAVE_FLAG_XBZRLE 0x40 |
ad96090a | 118 | |
b5a8fe5e | 119 | |
756557de EH |
120 | static struct defconfig_file { |
121 | const char *filename; | |
f29a5614 EH |
122 | /* Indicates it is an user config file (disabled by -no-user-config) */ |
123 | bool userconfig; | |
756557de | 124 | } default_config_files[] = { |
f29a5614 EH |
125 | { CONFIG_QEMU_CONFDIR "/qemu.conf", true }, |
126 | { CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf", true }, | |
756557de EH |
127 | { NULL }, /* end of list */ |
128 | }; | |
129 | ||
130 | ||
f29a5614 | 131 | int qemu_read_default_config_files(bool userconfig) |
b5a8fe5e EH |
132 | { |
133 | int ret; | |
756557de | 134 | struct defconfig_file *f; |
b5a8fe5e | 135 | |
756557de | 136 | for (f = default_config_files; f->filename; f++) { |
f29a5614 EH |
137 | if (!userconfig && f->userconfig) { |
138 | continue; | |
139 | } | |
756557de EH |
140 | ret = qemu_read_config_file(f->filename); |
141 | if (ret < 0 && ret != -ENOENT) { | |
142 | return ret; | |
143 | } | |
b5a8fe5e | 144 | } |
756557de | 145 | |
b5a8fe5e EH |
146 | return 0; |
147 | } | |
148 | ||
3edcd7e6 | 149 | static inline bool is_zero_page(uint8_t *p) |
ad96090a | 150 | { |
3edcd7e6 PL |
151 | return buffer_find_nonzero_offset(p, TARGET_PAGE_SIZE) == |
152 | TARGET_PAGE_SIZE; | |
ad96090a BS |
153 | } |
154 | ||
17ad9b35 OW |
155 | /* struct contains XBZRLE cache and a static page |
156 | used by the compression */ | |
157 | static struct { | |
158 | /* buffer used for XBZRLE encoding */ | |
159 | uint8_t *encoded_buf; | |
160 | /* buffer for storing page content */ | |
161 | uint8_t *current_buf; | |
162 | /* buffer used for XBZRLE decoding */ | |
163 | uint8_t *decoded_buf; | |
164 | /* Cache for XBZRLE */ | |
165 | PageCache *cache; | |
166 | } XBZRLE = { | |
167 | .encoded_buf = NULL, | |
168 | .current_buf = NULL, | |
169 | .decoded_buf = NULL, | |
170 | .cache = NULL, | |
171 | }; | |
172 | ||
9e1ba4cc OW |
173 | |
174 | int64_t xbzrle_cache_resize(int64_t new_size) | |
175 | { | |
176 | if (XBZRLE.cache != NULL) { | |
177 | return cache_resize(XBZRLE.cache, new_size / TARGET_PAGE_SIZE) * | |
178 | TARGET_PAGE_SIZE; | |
179 | } | |
180 | return pow2floor(new_size); | |
181 | } | |
182 | ||
004d4c10 OW |
183 | /* accounting for migration statistics */ |
184 | typedef struct AccountingInfo { | |
185 | uint64_t dup_pages; | |
186 | uint64_t norm_pages; | |
187 | uint64_t iterations; | |
f36d55af OW |
188 | uint64_t xbzrle_bytes; |
189 | uint64_t xbzrle_pages; | |
190 | uint64_t xbzrle_cache_miss; | |
191 | uint64_t xbzrle_overflows; | |
004d4c10 OW |
192 | } AccountingInfo; |
193 | ||
194 | static AccountingInfo acct_info; | |
195 | ||
196 | static void acct_clear(void) | |
197 | { | |
198 | memset(&acct_info, 0, sizeof(acct_info)); | |
199 | } | |
200 | ||
201 | uint64_t dup_mig_bytes_transferred(void) | |
202 | { | |
203 | return acct_info.dup_pages * TARGET_PAGE_SIZE; | |
204 | } | |
205 | ||
206 | uint64_t dup_mig_pages_transferred(void) | |
207 | { | |
208 | return acct_info.dup_pages; | |
209 | } | |
210 | ||
211 | uint64_t norm_mig_bytes_transferred(void) | |
212 | { | |
213 | return acct_info.norm_pages * TARGET_PAGE_SIZE; | |
214 | } | |
215 | ||
216 | uint64_t norm_mig_pages_transferred(void) | |
217 | { | |
218 | return acct_info.norm_pages; | |
219 | } | |
220 | ||
f36d55af OW |
221 | uint64_t xbzrle_mig_bytes_transferred(void) |
222 | { | |
223 | return acct_info.xbzrle_bytes; | |
224 | } | |
225 | ||
226 | uint64_t xbzrle_mig_pages_transferred(void) | |
227 | { | |
228 | return acct_info.xbzrle_pages; | |
229 | } | |
230 | ||
231 | uint64_t xbzrle_mig_pages_cache_miss(void) | |
232 | { | |
233 | return acct_info.xbzrle_cache_miss; | |
234 | } | |
235 | ||
236 | uint64_t xbzrle_mig_pages_overflow(void) | |
237 | { | |
238 | return acct_info.xbzrle_overflows; | |
239 | } | |
240 | ||
3f7d7b09 JQ |
241 | static size_t save_block_hdr(QEMUFile *f, RAMBlock *block, ram_addr_t offset, |
242 | int cont, int flag) | |
0c51f43d | 243 | { |
3f7d7b09 JQ |
244 | size_t size; |
245 | ||
246 | qemu_put_be64(f, offset | cont | flag); | |
247 | size = 8; | |
0c51f43d | 248 | |
3f7d7b09 JQ |
249 | if (!cont) { |
250 | qemu_put_byte(f, strlen(block->idstr)); | |
251 | qemu_put_buffer(f, (uint8_t *)block->idstr, | |
252 | strlen(block->idstr)); | |
253 | size += 1 + strlen(block->idstr); | |
254 | } | |
255 | return size; | |
0c51f43d OW |
256 | } |
257 | ||
17ad9b35 OW |
258 | #define ENCODING_FLAG_XBZRLE 0x1 |
259 | ||
260 | static int save_xbzrle_page(QEMUFile *f, uint8_t *current_data, | |
261 | ram_addr_t current_addr, RAMBlock *block, | |
dd051c72 | 262 | ram_addr_t offset, int cont, bool last_stage) |
17ad9b35 OW |
263 | { |
264 | int encoded_len = 0, bytes_sent = -1; | |
265 | uint8_t *prev_cached_page; | |
266 | ||
267 | if (!cache_is_cached(XBZRLE.cache, current_addr)) { | |
dd051c72 | 268 | if (!last_stage) { |
ee0b44aa | 269 | cache_insert(XBZRLE.cache, current_addr, current_data); |
dd051c72 | 270 | } |
f36d55af | 271 | acct_info.xbzrle_cache_miss++; |
17ad9b35 OW |
272 | return -1; |
273 | } | |
274 | ||
275 | prev_cached_page = get_cached_data(XBZRLE.cache, current_addr); | |
276 | ||
277 | /* save current buffer into memory */ | |
278 | memcpy(XBZRLE.current_buf, current_data, TARGET_PAGE_SIZE); | |
279 | ||
280 | /* XBZRLE encoding (if there is no overflow) */ | |
281 | encoded_len = xbzrle_encode_buffer(prev_cached_page, XBZRLE.current_buf, | |
282 | TARGET_PAGE_SIZE, XBZRLE.encoded_buf, | |
283 | TARGET_PAGE_SIZE); | |
284 | if (encoded_len == 0) { | |
285 | DPRINTF("Skipping unmodified page\n"); | |
286 | return 0; | |
287 | } else if (encoded_len == -1) { | |
288 | DPRINTF("Overflow\n"); | |
f36d55af | 289 | acct_info.xbzrle_overflows++; |
17ad9b35 OW |
290 | /* update data in the cache */ |
291 | memcpy(prev_cached_page, current_data, TARGET_PAGE_SIZE); | |
292 | return -1; | |
293 | } | |
294 | ||
295 | /* we need to update the data in the cache, in order to get the same data */ | |
dd051c72 JQ |
296 | if (!last_stage) { |
297 | memcpy(prev_cached_page, XBZRLE.current_buf, TARGET_PAGE_SIZE); | |
298 | } | |
17ad9b35 OW |
299 | |
300 | /* Send XBZRLE based compressed page */ | |
3f7d7b09 | 301 | bytes_sent = save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_XBZRLE); |
17ad9b35 OW |
302 | qemu_put_byte(f, ENCODING_FLAG_XBZRLE); |
303 | qemu_put_be16(f, encoded_len); | |
304 | qemu_put_buffer(f, XBZRLE.encoded_buf, encoded_len); | |
3f7d7b09 | 305 | bytes_sent += encoded_len + 1 + 2; |
f36d55af OW |
306 | acct_info.xbzrle_pages++; |
307 | acct_info.xbzrle_bytes += bytes_sent; | |
17ad9b35 OW |
308 | |
309 | return bytes_sent; | |
310 | } | |
311 | ||
b23a9a5c JQ |
312 | |
313 | /* This is the last block that we have visited serching for dirty pages | |
314 | */ | |
315 | static RAMBlock *last_seen_block; | |
5f718a15 JQ |
316 | /* This is the last block from where we have sent data */ |
317 | static RAMBlock *last_sent_block; | |
760e77ea | 318 | static ram_addr_t last_offset; |
c6bf8e0e JQ |
319 | static unsigned long *migration_bitmap; |
320 | static uint64_t migration_dirty_pages; | |
f798b07f | 321 | static uint32_t last_version; |
78d07ae7 | 322 | static bool ram_bulk_stage; |
760e77ea | 323 | |
4c8ae0f6 JQ |
324 | static inline |
325 | ram_addr_t migration_bitmap_find_and_reset_dirty(MemoryRegion *mr, | |
326 | ram_addr_t start) | |
69268cde | 327 | { |
4c8ae0f6 JQ |
328 | unsigned long base = mr->ram_addr >> TARGET_PAGE_BITS; |
329 | unsigned long nr = base + (start >> TARGET_PAGE_BITS); | |
330 | unsigned long size = base + (int128_get64(mr->size) >> TARGET_PAGE_BITS); | |
c6bf8e0e | 331 | |
4c8ae0f6 | 332 | unsigned long next = find_next_bit(migration_bitmap, size, nr); |
69268cde | 333 | |
4c8ae0f6 JQ |
334 | if (next < size) { |
335 | clear_bit(next, migration_bitmap); | |
c6bf8e0e | 336 | migration_dirty_pages--; |
69268cde | 337 | } |
4c8ae0f6 | 338 | return (next - base) << TARGET_PAGE_BITS; |
69268cde JQ |
339 | } |
340 | ||
c6bf8e0e JQ |
341 | static inline bool migration_bitmap_set_dirty(MemoryRegion *mr, |
342 | ram_addr_t offset) | |
e44d26c8 | 343 | { |
c6bf8e0e JQ |
344 | bool ret; |
345 | int nr = (mr->ram_addr + offset) >> TARGET_PAGE_BITS; | |
e44d26c8 | 346 | |
c6bf8e0e JQ |
347 | ret = test_and_set_bit(nr, migration_bitmap); |
348 | ||
349 | if (!ret) { | |
350 | migration_dirty_pages++; | |
e44d26c8 | 351 | } |
c6bf8e0e | 352 | return ret; |
e44d26c8 JQ |
353 | } |
354 | ||
32c835ba PB |
355 | /* Needs iothread lock! */ |
356 | ||
dd2df737 JQ |
357 | static void migration_bitmap_sync(void) |
358 | { | |
c6bf8e0e JQ |
359 | RAMBlock *block; |
360 | ram_addr_t addr; | |
361 | uint64_t num_dirty_pages_init = migration_dirty_pages; | |
8d017193 JQ |
362 | MigrationState *s = migrate_get_current(); |
363 | static int64_t start_time; | |
364 | static int64_t num_dirty_pages_period; | |
365 | int64_t end_time; | |
366 | ||
367 | if (!start_time) { | |
368 | start_time = qemu_get_clock_ms(rt_clock); | |
369 | } | |
3c12193d JQ |
370 | |
371 | trace_migration_bitmap_sync_start(); | |
dd2df737 | 372 | memory_global_sync_dirty_bitmap(get_system_memory()); |
c6bf8e0e | 373 | |
a3161038 | 374 | QTAILQ_FOREACH(block, &ram_list.blocks, next) { |
c6bf8e0e | 375 | for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) { |
ece79318 JQ |
376 | if (memory_region_test_and_clear_dirty(block->mr, |
377 | addr, TARGET_PAGE_SIZE, | |
378 | DIRTY_MEMORY_MIGRATION)) { | |
c6bf8e0e JQ |
379 | migration_bitmap_set_dirty(block->mr, addr); |
380 | } | |
381 | } | |
c6bf8e0e JQ |
382 | } |
383 | trace_migration_bitmap_sync_end(migration_dirty_pages | |
3c12193d | 384 | - num_dirty_pages_init); |
8d017193 JQ |
385 | num_dirty_pages_period += migration_dirty_pages - num_dirty_pages_init; |
386 | end_time = qemu_get_clock_ms(rt_clock); | |
387 | ||
388 | /* more than 1 second = 1000 millisecons */ | |
389 | if (end_time > start_time + 1000) { | |
390 | s->dirty_pages_rate = num_dirty_pages_period * 1000 | |
391 | / (end_time - start_time); | |
90f8ae72 | 392 | s->dirty_bytes_rate = s->dirty_pages_rate * TARGET_PAGE_SIZE; |
8d017193 JQ |
393 | start_time = end_time; |
394 | num_dirty_pages_period = 0; | |
395 | } | |
dd2df737 JQ |
396 | } |
397 | ||
6c779f22 OW |
398 | /* |
399 | * ram_save_block: Writes a page of memory to the stream f | |
400 | * | |
b823ceaa JQ |
401 | * Returns: The number of bytes written. |
402 | * 0 means no dirty pages | |
6c779f22 OW |
403 | */ |
404 | ||
dd051c72 | 405 | static int ram_save_block(QEMUFile *f, bool last_stage) |
ad96090a | 406 | { |
b23a9a5c | 407 | RAMBlock *block = last_seen_block; |
e44359c3 | 408 | ram_addr_t offset = last_offset; |
4c8ae0f6 | 409 | bool complete_round = false; |
b823ceaa | 410 | int bytes_sent = 0; |
71c510e2 | 411 | MemoryRegion *mr; |
17ad9b35 | 412 | ram_addr_t current_addr; |
ad96090a | 413 | |
e44359c3 | 414 | if (!block) |
a3161038 | 415 | block = QTAILQ_FIRST(&ram_list.blocks); |
e44359c3 | 416 | |
4c8ae0f6 | 417 | while (true) { |
71c510e2 | 418 | mr = block->mr; |
4c8ae0f6 JQ |
419 | offset = migration_bitmap_find_and_reset_dirty(mr, offset); |
420 | if (complete_round && block == last_seen_block && | |
421 | offset >= last_offset) { | |
422 | break; | |
423 | } | |
424 | if (offset >= block->length) { | |
425 | offset = 0; | |
426 | block = QTAILQ_NEXT(block, next); | |
427 | if (!block) { | |
428 | block = QTAILQ_FIRST(&ram_list.blocks); | |
429 | complete_round = true; | |
78d07ae7 | 430 | ram_bulk_stage = false; |
4c8ae0f6 JQ |
431 | } |
432 | } else { | |
ad96090a | 433 | uint8_t *p; |
5f718a15 | 434 | int cont = (block == last_sent_block) ? |
b23a9a5c | 435 | RAM_SAVE_FLAG_CONTINUE : 0; |
ad96090a | 436 | |
71c510e2 | 437 | p = memory_region_get_ram_ptr(mr) + offset; |
ad96090a | 438 | |
b823ceaa JQ |
439 | /* In doubt sent page as normal */ |
440 | bytes_sent = -1; | |
3edcd7e6 | 441 | if (is_zero_page(p)) { |
004d4c10 | 442 | acct_info.dup_pages++; |
3f7d7b09 JQ |
443 | bytes_sent = save_block_hdr(f, block, offset, cont, |
444 | RAM_SAVE_FLAG_COMPRESS); | |
3edcd7e6 PL |
445 | qemu_put_byte(f, 0); |
446 | bytes_sent++; | |
17ad9b35 OW |
447 | } else if (migrate_use_xbzrle()) { |
448 | current_addr = block->offset + offset; | |
449 | bytes_sent = save_xbzrle_page(f, p, current_addr, block, | |
dd051c72 JQ |
450 | offset, cont, last_stage); |
451 | if (!last_stage) { | |
452 | p = get_cached_data(XBZRLE.cache, current_addr); | |
453 | } | |
17ad9b35 OW |
454 | } |
455 | ||
b823ceaa | 456 | /* XBZRLE overflow or normal page */ |
17ad9b35 | 457 | if (bytes_sent == -1) { |
3f7d7b09 | 458 | bytes_sent = save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_PAGE); |
ad96090a | 459 | qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
3f7d7b09 | 460 | bytes_sent += TARGET_PAGE_SIZE; |
004d4c10 | 461 | acct_info.norm_pages++; |
ad96090a BS |
462 | } |
463 | ||
17ad9b35 | 464 | /* if page is unmodified, continue to the next */ |
b823ceaa | 465 | if (bytes_sent > 0) { |
5f718a15 | 466 | last_sent_block = block; |
17ad9b35 OW |
467 | break; |
468 | } | |
ad96090a | 469 | } |
4c8ae0f6 | 470 | } |
b23a9a5c | 471 | last_seen_block = block; |
e44359c3 | 472 | last_offset = offset; |
ad96090a | 473 | |
3fc250b4 | 474 | return bytes_sent; |
ad96090a BS |
475 | } |
476 | ||
477 | static uint64_t bytes_transferred; | |
478 | ||
479 | static ram_addr_t ram_save_remaining(void) | |
480 | { | |
c6bf8e0e | 481 | return migration_dirty_pages; |
ad96090a BS |
482 | } |
483 | ||
484 | uint64_t ram_bytes_remaining(void) | |
485 | { | |
486 | return ram_save_remaining() * TARGET_PAGE_SIZE; | |
487 | } | |
488 | ||
489 | uint64_t ram_bytes_transferred(void) | |
490 | { | |
491 | return bytes_transferred; | |
492 | } | |
493 | ||
494 | uint64_t ram_bytes_total(void) | |
495 | { | |
d17b5288 AW |
496 | RAMBlock *block; |
497 | uint64_t total = 0; | |
498 | ||
a3161038 | 499 | QTAILQ_FOREACH(block, &ram_list.blocks, next) |
d17b5288 AW |
500 | total += block->length; |
501 | ||
502 | return total; | |
ad96090a BS |
503 | } |
504 | ||
8e21cd32 OW |
505 | static void migration_end(void) |
506 | { | |
244eaa75 PB |
507 | if (migration_bitmap) { |
508 | memory_global_dirty_log_stop(); | |
509 | g_free(migration_bitmap); | |
510 | migration_bitmap = NULL; | |
511 | } | |
17ad9b35 | 512 | |
244eaa75 | 513 | if (XBZRLE.cache) { |
17ad9b35 OW |
514 | cache_fini(XBZRLE.cache); |
515 | g_free(XBZRLE.cache); | |
516 | g_free(XBZRLE.encoded_buf); | |
517 | g_free(XBZRLE.current_buf); | |
518 | g_free(XBZRLE.decoded_buf); | |
519 | XBZRLE.cache = NULL; | |
520 | } | |
8e21cd32 OW |
521 | } |
522 | ||
9b5bfab0 JQ |
523 | static void ram_migration_cancel(void *opaque) |
524 | { | |
525 | migration_end(); | |
526 | } | |
527 | ||
5a170775 JQ |
528 | static void reset_ram_globals(void) |
529 | { | |
b23a9a5c | 530 | last_seen_block = NULL; |
5f718a15 | 531 | last_sent_block = NULL; |
5a170775 | 532 | last_offset = 0; |
f798b07f | 533 | last_version = ram_list.version; |
78d07ae7 | 534 | ram_bulk_stage = true; |
5a170775 JQ |
535 | } |
536 | ||
4508bd9e JQ |
537 | #define MAX_WAIT 50 /* ms, half buffered_file limit */ |
538 | ||
d1315aac | 539 | static int ram_save_setup(QEMUFile *f, void *opaque) |
ad96090a | 540 | { |
d1315aac | 541 | RAMBlock *block; |
c6bf8e0e JQ |
542 | int64_t ram_pages = last_ram_offset() >> TARGET_PAGE_BITS; |
543 | ||
544 | migration_bitmap = bitmap_new(ram_pages); | |
7ec81e56 | 545 | bitmap_set(migration_bitmap, 0, ram_pages); |
c6bf8e0e | 546 | migration_dirty_pages = ram_pages; |
ad96090a | 547 | |
17ad9b35 OW |
548 | if (migrate_use_xbzrle()) { |
549 | XBZRLE.cache = cache_init(migrate_xbzrle_cache_size() / | |
550 | TARGET_PAGE_SIZE, | |
551 | TARGET_PAGE_SIZE); | |
552 | if (!XBZRLE.cache) { | |
553 | DPRINTF("Error creating cache\n"); | |
554 | return -1; | |
555 | } | |
556 | XBZRLE.encoded_buf = g_malloc0(TARGET_PAGE_SIZE); | |
557 | XBZRLE.current_buf = g_malloc(TARGET_PAGE_SIZE); | |
004d4c10 | 558 | acct_clear(); |
17ad9b35 OW |
559 | } |
560 | ||
9b095037 PB |
561 | qemu_mutex_lock_iothread(); |
562 | qemu_mutex_lock_ramlist(); | |
563 | bytes_transferred = 0; | |
564 | reset_ram_globals(); | |
565 | ||
d1315aac | 566 | memory_global_dirty_log_start(); |
c6bf8e0e | 567 | migration_bitmap_sync(); |
9b095037 | 568 | qemu_mutex_unlock_iothread(); |
ad96090a | 569 | |
d1315aac | 570 | qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE); |
97ab12d4 | 571 | |
a3161038 | 572 | QTAILQ_FOREACH(block, &ram_list.blocks, next) { |
d1315aac JQ |
573 | qemu_put_byte(f, strlen(block->idstr)); |
574 | qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr)); | |
575 | qemu_put_be64(f, block->length); | |
ad96090a BS |
576 | } |
577 | ||
b2a8658e | 578 | qemu_mutex_unlock_ramlist(); |
d1315aac JQ |
579 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
580 | ||
581 | return 0; | |
582 | } | |
583 | ||
16310a3c | 584 | static int ram_save_iterate(QEMUFile *f, void *opaque) |
d1315aac | 585 | { |
d1315aac JQ |
586 | int ret; |
587 | int i; | |
e4ed1541 | 588 | int64_t t0; |
b823ceaa | 589 | int total_sent = 0; |
d1315aac | 590 | |
b2a8658e UD |
591 | qemu_mutex_lock_ramlist(); |
592 | ||
f798b07f UD |
593 | if (ram_list.version != last_version) { |
594 | reset_ram_globals(); | |
595 | } | |
596 | ||
e4ed1541 | 597 | t0 = qemu_get_clock_ns(rt_clock); |
4508bd9e | 598 | i = 0; |
2975725f | 599 | while ((ret = qemu_file_rate_limit(f)) == 0) { |
3fc250b4 | 600 | int bytes_sent; |
ad96090a | 601 | |
dd051c72 | 602 | bytes_sent = ram_save_block(f, false); |
6c779f22 | 603 | /* no more blocks to sent */ |
b823ceaa | 604 | if (bytes_sent == 0) { |
ad96090a BS |
605 | break; |
606 | } | |
b823ceaa | 607 | total_sent += bytes_sent; |
004d4c10 | 608 | acct_info.iterations++; |
4508bd9e JQ |
609 | /* we want to check in the 1st loop, just in case it was the 1st time |
610 | and we had to sync the dirty bitmap. | |
611 | qemu_get_clock_ns() is a bit expensive, so we only check each some | |
612 | iterations | |
613 | */ | |
614 | if ((i & 63) == 0) { | |
e4ed1541 | 615 | uint64_t t1 = (qemu_get_clock_ns(rt_clock) - t0) / 1000000; |
4508bd9e | 616 | if (t1 > MAX_WAIT) { |
ef37a699 | 617 | DPRINTF("big wait: %" PRIu64 " milliseconds, %d iterations\n", |
4508bd9e JQ |
618 | t1, i); |
619 | break; | |
620 | } | |
621 | } | |
622 | i++; | |
ad96090a BS |
623 | } |
624 | ||
fb3409de PB |
625 | qemu_mutex_unlock_ramlist(); |
626 | ||
2975725f | 627 | if (ret < 0) { |
b823ceaa | 628 | bytes_transferred += total_sent; |
2975725f JQ |
629 | return ret; |
630 | } | |
631 | ||
16310a3c | 632 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
b823ceaa JQ |
633 | total_sent += 8; |
634 | bytes_transferred += total_sent; | |
16310a3c | 635 | |
b823ceaa | 636 | return total_sent; |
16310a3c JQ |
637 | } |
638 | ||
639 | static int ram_save_complete(QEMUFile *f, void *opaque) | |
640 | { | |
b2a8658e | 641 | qemu_mutex_lock_ramlist(); |
9c339485 | 642 | migration_bitmap_sync(); |
b2a8658e | 643 | |
ad96090a | 644 | /* try transferring iterative blocks of memory */ |
3a697f69 | 645 | |
16310a3c | 646 | /* flush all remaining blocks regardless of rate limiting */ |
6c779f22 | 647 | while (true) { |
3fc250b4 PR |
648 | int bytes_sent; |
649 | ||
dd051c72 | 650 | bytes_sent = ram_save_block(f, true); |
6c779f22 | 651 | /* no more blocks to sent */ |
b823ceaa | 652 | if (bytes_sent == 0) { |
6c779f22 | 653 | break; |
ad96090a | 654 | } |
16310a3c | 655 | bytes_transferred += bytes_sent; |
ad96090a | 656 | } |
244eaa75 | 657 | migration_end(); |
ad96090a | 658 | |
b2a8658e | 659 | qemu_mutex_unlock_ramlist(); |
ad96090a BS |
660 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
661 | ||
5b3c9638 | 662 | return 0; |
ad96090a BS |
663 | } |
664 | ||
e4ed1541 JQ |
665 | static uint64_t ram_save_pending(QEMUFile *f, void *opaque, uint64_t max_size) |
666 | { | |
667 | uint64_t remaining_size; | |
668 | ||
669 | remaining_size = ram_save_remaining() * TARGET_PAGE_SIZE; | |
670 | ||
671 | if (remaining_size < max_size) { | |
32c835ba | 672 | qemu_mutex_lock_iothread(); |
e4ed1541 | 673 | migration_bitmap_sync(); |
32c835ba | 674 | qemu_mutex_unlock_iothread(); |
e4ed1541 JQ |
675 | remaining_size = ram_save_remaining() * TARGET_PAGE_SIZE; |
676 | } | |
677 | return remaining_size; | |
678 | } | |
679 | ||
17ad9b35 OW |
680 | static int load_xbzrle(QEMUFile *f, ram_addr_t addr, void *host) |
681 | { | |
682 | int ret, rc = 0; | |
683 | unsigned int xh_len; | |
684 | int xh_flags; | |
685 | ||
686 | if (!XBZRLE.decoded_buf) { | |
687 | XBZRLE.decoded_buf = g_malloc(TARGET_PAGE_SIZE); | |
688 | } | |
689 | ||
690 | /* extract RLE header */ | |
691 | xh_flags = qemu_get_byte(f); | |
692 | xh_len = qemu_get_be16(f); | |
693 | ||
694 | if (xh_flags != ENCODING_FLAG_XBZRLE) { | |
695 | fprintf(stderr, "Failed to load XBZRLE page - wrong compression!\n"); | |
696 | return -1; | |
697 | } | |
698 | ||
699 | if (xh_len > TARGET_PAGE_SIZE) { | |
700 | fprintf(stderr, "Failed to load XBZRLE page - len overflow!\n"); | |
701 | return -1; | |
702 | } | |
703 | /* load data and decode */ | |
704 | qemu_get_buffer(f, XBZRLE.decoded_buf, xh_len); | |
705 | ||
706 | /* decode RLE */ | |
707 | ret = xbzrle_decode_buffer(XBZRLE.decoded_buf, xh_len, host, | |
708 | TARGET_PAGE_SIZE); | |
709 | if (ret == -1) { | |
710 | fprintf(stderr, "Failed to load XBZRLE page - decode error!\n"); | |
711 | rc = -1; | |
712 | } else if (ret > TARGET_PAGE_SIZE) { | |
713 | fprintf(stderr, "Failed to load XBZRLE page - size %d exceeds %d!\n", | |
714 | ret, TARGET_PAGE_SIZE); | |
715 | abort(); | |
716 | } | |
717 | ||
718 | return rc; | |
719 | } | |
720 | ||
a55bbe31 AW |
721 | static inline void *host_from_stream_offset(QEMUFile *f, |
722 | ram_addr_t offset, | |
723 | int flags) | |
724 | { | |
725 | static RAMBlock *block = NULL; | |
726 | char id[256]; | |
727 | uint8_t len; | |
728 | ||
729 | if (flags & RAM_SAVE_FLAG_CONTINUE) { | |
730 | if (!block) { | |
731 | fprintf(stderr, "Ack, bad migration stream!\n"); | |
732 | return NULL; | |
733 | } | |
734 | ||
dc94a7ed | 735 | return memory_region_get_ram_ptr(block->mr) + offset; |
a55bbe31 AW |
736 | } |
737 | ||
738 | len = qemu_get_byte(f); | |
739 | qemu_get_buffer(f, (uint8_t *)id, len); | |
740 | id[len] = 0; | |
741 | ||
a3161038 | 742 | QTAILQ_FOREACH(block, &ram_list.blocks, next) { |
a55bbe31 | 743 | if (!strncmp(id, block->idstr, sizeof(id))) |
dc94a7ed | 744 | return memory_region_get_ram_ptr(block->mr) + offset; |
a55bbe31 AW |
745 | } |
746 | ||
747 | fprintf(stderr, "Can't find block %s!\n", id); | |
748 | return NULL; | |
749 | } | |
750 | ||
7908c78d | 751 | static int ram_load(QEMUFile *f, void *opaque, int version_id) |
ad96090a BS |
752 | { |
753 | ram_addr_t addr; | |
3a697f69 | 754 | int flags, ret = 0; |
42802d47 | 755 | int error; |
3a697f69 OW |
756 | static uint64_t seq_iter; |
757 | ||
758 | seq_iter++; | |
ad96090a | 759 | |
f09f2189 | 760 | if (version_id < 4 || version_id > 4) { |
ad96090a BS |
761 | return -EINVAL; |
762 | } | |
763 | ||
764 | do { | |
765 | addr = qemu_get_be64(f); | |
766 | ||
767 | flags = addr & ~TARGET_PAGE_MASK; | |
768 | addr &= TARGET_PAGE_MASK; | |
769 | ||
770 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { | |
f09f2189 | 771 | if (version_id == 4) { |
97ab12d4 AW |
772 | /* Synchronize RAM block list */ |
773 | char id[256]; | |
774 | ram_addr_t length; | |
775 | ram_addr_t total_ram_bytes = addr; | |
776 | ||
777 | while (total_ram_bytes) { | |
778 | RAMBlock *block; | |
779 | uint8_t len; | |
780 | ||
781 | len = qemu_get_byte(f); | |
782 | qemu_get_buffer(f, (uint8_t *)id, len); | |
783 | id[len] = 0; | |
784 | length = qemu_get_be64(f); | |
785 | ||
a3161038 | 786 | QTAILQ_FOREACH(block, &ram_list.blocks, next) { |
97ab12d4 | 787 | if (!strncmp(id, block->idstr, sizeof(id))) { |
3a697f69 OW |
788 | if (block->length != length) { |
789 | ret = -EINVAL; | |
790 | goto done; | |
791 | } | |
97ab12d4 AW |
792 | break; |
793 | } | |
794 | } | |
795 | ||
796 | if (!block) { | |
fb787f81 AW |
797 | fprintf(stderr, "Unknown ramblock \"%s\", cannot " |
798 | "accept migration\n", id); | |
3a697f69 OW |
799 | ret = -EINVAL; |
800 | goto done; | |
97ab12d4 AW |
801 | } |
802 | ||
803 | total_ram_bytes -= length; | |
804 | } | |
ad96090a BS |
805 | } |
806 | } | |
807 | ||
808 | if (flags & RAM_SAVE_FLAG_COMPRESS) { | |
97ab12d4 AW |
809 | void *host; |
810 | uint8_t ch; | |
811 | ||
f09f2189 | 812 | host = host_from_stream_offset(f, addr, flags); |
492fb99c MT |
813 | if (!host) { |
814 | return -EINVAL; | |
815 | } | |
97ab12d4 | 816 | |
97ab12d4 AW |
817 | ch = qemu_get_byte(f); |
818 | memset(host, ch, TARGET_PAGE_SIZE); | |
ad96090a BS |
819 | #ifndef _WIN32 |
820 | if (ch == 0 && | |
45e6cee4 DG |
821 | (!kvm_enabled() || kvm_has_sync_mmu()) && |
822 | getpagesize() <= TARGET_PAGE_SIZE) { | |
e78815a5 | 823 | qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED); |
ad96090a BS |
824 | } |
825 | #endif | |
826 | } else if (flags & RAM_SAVE_FLAG_PAGE) { | |
97ab12d4 AW |
827 | void *host; |
828 | ||
f09f2189 | 829 | host = host_from_stream_offset(f, addr, flags); |
0ff1f9f5 OW |
830 | if (!host) { |
831 | return -EINVAL; | |
832 | } | |
97ab12d4 | 833 | |
97ab12d4 | 834 | qemu_get_buffer(f, host, TARGET_PAGE_SIZE); |
17ad9b35 | 835 | } else if (flags & RAM_SAVE_FLAG_XBZRLE) { |
17ad9b35 OW |
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 | } |