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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 | |
86003615 PB |
119 | #ifdef __ALTIVEC__ |
120 | #include <altivec.h> | |
121 | #define VECTYPE vector unsigned char | |
122 | #define SPLAT(p) vec_splat(vec_ld(0, p), 0) | |
123 | #define ALL_EQ(v1, v2) vec_all_eq(v1, v2) | |
f283edc4 AF |
124 | /* altivec.h may redefine the bool macro as vector type. |
125 | * Reset it to POSIX semantics. */ | |
126 | #undef bool | |
127 | #define bool _Bool | |
86003615 PB |
128 | #elif defined __SSE2__ |
129 | #include <emmintrin.h> | |
130 | #define VECTYPE __m128i | |
131 | #define SPLAT(p) _mm_set1_epi8(*(p)) | |
132 | #define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF) | |
133 | #else | |
134 | #define VECTYPE unsigned long | |
135 | #define SPLAT(p) (*(p) * (~0UL / 255)) | |
136 | #define ALL_EQ(v1, v2) ((v1) == (v2)) | |
137 | #endif | |
138 | ||
b5a8fe5e | 139 | |
756557de EH |
140 | static struct defconfig_file { |
141 | const char *filename; | |
f29a5614 EH |
142 | /* Indicates it is an user config file (disabled by -no-user-config) */ |
143 | bool userconfig; | |
756557de | 144 | } default_config_files[] = { |
f29a5614 EH |
145 | { CONFIG_QEMU_CONFDIR "/qemu.conf", true }, |
146 | { CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf", true }, | |
756557de EH |
147 | { NULL }, /* end of list */ |
148 | }; | |
149 | ||
150 | ||
f29a5614 | 151 | int qemu_read_default_config_files(bool userconfig) |
b5a8fe5e EH |
152 | { |
153 | int ret; | |
756557de | 154 | struct defconfig_file *f; |
b5a8fe5e | 155 | |
756557de | 156 | for (f = default_config_files; f->filename; f++) { |
f29a5614 EH |
157 | if (!userconfig && f->userconfig) { |
158 | continue; | |
159 | } | |
756557de EH |
160 | ret = qemu_read_config_file(f->filename); |
161 | if (ret < 0 && ret != -ENOENT) { | |
162 | return ret; | |
163 | } | |
b5a8fe5e | 164 | } |
756557de | 165 | |
b5a8fe5e EH |
166 | return 0; |
167 | } | |
168 | ||
86003615 | 169 | static int is_dup_page(uint8_t *page) |
ad96090a | 170 | { |
86003615 PB |
171 | VECTYPE *p = (VECTYPE *)page; |
172 | VECTYPE val = SPLAT(page); | |
ad96090a BS |
173 | int i; |
174 | ||
86003615 PB |
175 | for (i = 0; i < TARGET_PAGE_SIZE / sizeof(VECTYPE); i++) { |
176 | if (!ALL_EQ(val, p[i])) { | |
ad96090a BS |
177 | return 0; |
178 | } | |
179 | } | |
180 | ||
181 | return 1; | |
182 | } | |
183 | ||
17ad9b35 OW |
184 | /* struct contains XBZRLE cache and a static page |
185 | used by the compression */ | |
186 | static struct { | |
187 | /* buffer used for XBZRLE encoding */ | |
188 | uint8_t *encoded_buf; | |
189 | /* buffer for storing page content */ | |
190 | uint8_t *current_buf; | |
191 | /* buffer used for XBZRLE decoding */ | |
192 | uint8_t *decoded_buf; | |
193 | /* Cache for XBZRLE */ | |
194 | PageCache *cache; | |
195 | } XBZRLE = { | |
196 | .encoded_buf = NULL, | |
197 | .current_buf = NULL, | |
198 | .decoded_buf = NULL, | |
199 | .cache = NULL, | |
200 | }; | |
201 | ||
9e1ba4cc OW |
202 | |
203 | int64_t xbzrle_cache_resize(int64_t new_size) | |
204 | { | |
205 | if (XBZRLE.cache != NULL) { | |
206 | return cache_resize(XBZRLE.cache, new_size / TARGET_PAGE_SIZE) * | |
207 | TARGET_PAGE_SIZE; | |
208 | } | |
209 | return pow2floor(new_size); | |
210 | } | |
211 | ||
004d4c10 OW |
212 | /* accounting for migration statistics */ |
213 | typedef struct AccountingInfo { | |
214 | uint64_t dup_pages; | |
215 | uint64_t norm_pages; | |
216 | uint64_t iterations; | |
f36d55af OW |
217 | uint64_t xbzrle_bytes; |
218 | uint64_t xbzrle_pages; | |
219 | uint64_t xbzrle_cache_miss; | |
220 | uint64_t xbzrle_overflows; | |
004d4c10 OW |
221 | } AccountingInfo; |
222 | ||
223 | static AccountingInfo acct_info; | |
224 | ||
225 | static void acct_clear(void) | |
226 | { | |
227 | memset(&acct_info, 0, sizeof(acct_info)); | |
228 | } | |
229 | ||
230 | uint64_t dup_mig_bytes_transferred(void) | |
231 | { | |
232 | return acct_info.dup_pages * TARGET_PAGE_SIZE; | |
233 | } | |
234 | ||
235 | uint64_t dup_mig_pages_transferred(void) | |
236 | { | |
237 | return acct_info.dup_pages; | |
238 | } | |
239 | ||
240 | uint64_t norm_mig_bytes_transferred(void) | |
241 | { | |
242 | return acct_info.norm_pages * TARGET_PAGE_SIZE; | |
243 | } | |
244 | ||
245 | uint64_t norm_mig_pages_transferred(void) | |
246 | { | |
247 | return acct_info.norm_pages; | |
248 | } | |
249 | ||
f36d55af OW |
250 | uint64_t xbzrle_mig_bytes_transferred(void) |
251 | { | |
252 | return acct_info.xbzrle_bytes; | |
253 | } | |
254 | ||
255 | uint64_t xbzrle_mig_pages_transferred(void) | |
256 | { | |
257 | return acct_info.xbzrle_pages; | |
258 | } | |
259 | ||
260 | uint64_t xbzrle_mig_pages_cache_miss(void) | |
261 | { | |
262 | return acct_info.xbzrle_cache_miss; | |
263 | } | |
264 | ||
265 | uint64_t xbzrle_mig_pages_overflow(void) | |
266 | { | |
267 | return acct_info.xbzrle_overflows; | |
268 | } | |
269 | ||
3f7d7b09 JQ |
270 | static size_t save_block_hdr(QEMUFile *f, RAMBlock *block, ram_addr_t offset, |
271 | int cont, int flag) | |
0c51f43d | 272 | { |
3f7d7b09 JQ |
273 | size_t size; |
274 | ||
275 | qemu_put_be64(f, offset | cont | flag); | |
276 | size = 8; | |
0c51f43d | 277 | |
3f7d7b09 JQ |
278 | if (!cont) { |
279 | qemu_put_byte(f, strlen(block->idstr)); | |
280 | qemu_put_buffer(f, (uint8_t *)block->idstr, | |
281 | strlen(block->idstr)); | |
282 | size += 1 + strlen(block->idstr); | |
283 | } | |
284 | return size; | |
0c51f43d OW |
285 | } |
286 | ||
17ad9b35 OW |
287 | #define ENCODING_FLAG_XBZRLE 0x1 |
288 | ||
289 | static int save_xbzrle_page(QEMUFile *f, uint8_t *current_data, | |
290 | ram_addr_t current_addr, RAMBlock *block, | |
dd051c72 | 291 | ram_addr_t offset, int cont, bool last_stage) |
17ad9b35 OW |
292 | { |
293 | int encoded_len = 0, bytes_sent = -1; | |
294 | uint8_t *prev_cached_page; | |
295 | ||
296 | if (!cache_is_cached(XBZRLE.cache, current_addr)) { | |
dd051c72 | 297 | if (!last_stage) { |
ee0b44aa | 298 | cache_insert(XBZRLE.cache, current_addr, current_data); |
dd051c72 | 299 | } |
f36d55af | 300 | acct_info.xbzrle_cache_miss++; |
17ad9b35 OW |
301 | return -1; |
302 | } | |
303 | ||
304 | prev_cached_page = get_cached_data(XBZRLE.cache, current_addr); | |
305 | ||
306 | /* save current buffer into memory */ | |
307 | memcpy(XBZRLE.current_buf, current_data, TARGET_PAGE_SIZE); | |
308 | ||
309 | /* XBZRLE encoding (if there is no overflow) */ | |
310 | encoded_len = xbzrle_encode_buffer(prev_cached_page, XBZRLE.current_buf, | |
311 | TARGET_PAGE_SIZE, XBZRLE.encoded_buf, | |
312 | TARGET_PAGE_SIZE); | |
313 | if (encoded_len == 0) { | |
314 | DPRINTF("Skipping unmodified page\n"); | |
315 | return 0; | |
316 | } else if (encoded_len == -1) { | |
317 | DPRINTF("Overflow\n"); | |
f36d55af | 318 | acct_info.xbzrle_overflows++; |
17ad9b35 OW |
319 | /* update data in the cache */ |
320 | memcpy(prev_cached_page, current_data, TARGET_PAGE_SIZE); | |
321 | return -1; | |
322 | } | |
323 | ||
324 | /* we need to update the data in the cache, in order to get the same data */ | |
dd051c72 JQ |
325 | if (!last_stage) { |
326 | memcpy(prev_cached_page, XBZRLE.current_buf, TARGET_PAGE_SIZE); | |
327 | } | |
17ad9b35 OW |
328 | |
329 | /* Send XBZRLE based compressed page */ | |
3f7d7b09 | 330 | bytes_sent = save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_XBZRLE); |
17ad9b35 OW |
331 | qemu_put_byte(f, ENCODING_FLAG_XBZRLE); |
332 | qemu_put_be16(f, encoded_len); | |
333 | qemu_put_buffer(f, XBZRLE.encoded_buf, encoded_len); | |
3f7d7b09 | 334 | bytes_sent += encoded_len + 1 + 2; |
f36d55af OW |
335 | acct_info.xbzrle_pages++; |
336 | acct_info.xbzrle_bytes += bytes_sent; | |
17ad9b35 OW |
337 | |
338 | return bytes_sent; | |
339 | } | |
340 | ||
b23a9a5c JQ |
341 | |
342 | /* This is the last block that we have visited serching for dirty pages | |
343 | */ | |
344 | static RAMBlock *last_seen_block; | |
5f718a15 JQ |
345 | /* This is the last block from where we have sent data */ |
346 | static RAMBlock *last_sent_block; | |
760e77ea | 347 | static ram_addr_t last_offset; |
c6bf8e0e JQ |
348 | static unsigned long *migration_bitmap; |
349 | static uint64_t migration_dirty_pages; | |
f798b07f | 350 | static uint32_t last_version; |
760e77ea | 351 | |
4c8ae0f6 JQ |
352 | static inline |
353 | ram_addr_t migration_bitmap_find_and_reset_dirty(MemoryRegion *mr, | |
354 | ram_addr_t start) | |
69268cde | 355 | { |
4c8ae0f6 JQ |
356 | unsigned long base = mr->ram_addr >> TARGET_PAGE_BITS; |
357 | unsigned long nr = base + (start >> TARGET_PAGE_BITS); | |
358 | unsigned long size = base + (int128_get64(mr->size) >> TARGET_PAGE_BITS); | |
c6bf8e0e | 359 | |
4c8ae0f6 | 360 | unsigned long next = find_next_bit(migration_bitmap, size, nr); |
69268cde | 361 | |
4c8ae0f6 JQ |
362 | if (next < size) { |
363 | clear_bit(next, migration_bitmap); | |
c6bf8e0e | 364 | migration_dirty_pages--; |
69268cde | 365 | } |
4c8ae0f6 | 366 | return (next - base) << TARGET_PAGE_BITS; |
69268cde JQ |
367 | } |
368 | ||
c6bf8e0e JQ |
369 | static inline bool migration_bitmap_set_dirty(MemoryRegion *mr, |
370 | ram_addr_t offset) | |
e44d26c8 | 371 | { |
c6bf8e0e JQ |
372 | bool ret; |
373 | int nr = (mr->ram_addr + offset) >> TARGET_PAGE_BITS; | |
e44d26c8 | 374 | |
c6bf8e0e JQ |
375 | ret = test_and_set_bit(nr, migration_bitmap); |
376 | ||
377 | if (!ret) { | |
378 | migration_dirty_pages++; | |
e44d26c8 | 379 | } |
c6bf8e0e | 380 | return ret; |
e44d26c8 JQ |
381 | } |
382 | ||
32c835ba PB |
383 | /* Needs iothread lock! */ |
384 | ||
dd2df737 JQ |
385 | static void migration_bitmap_sync(void) |
386 | { | |
c6bf8e0e JQ |
387 | RAMBlock *block; |
388 | ram_addr_t addr; | |
389 | uint64_t num_dirty_pages_init = migration_dirty_pages; | |
8d017193 JQ |
390 | MigrationState *s = migrate_get_current(); |
391 | static int64_t start_time; | |
392 | static int64_t num_dirty_pages_period; | |
393 | int64_t end_time; | |
394 | ||
395 | if (!start_time) { | |
396 | start_time = qemu_get_clock_ms(rt_clock); | |
397 | } | |
3c12193d JQ |
398 | |
399 | trace_migration_bitmap_sync_start(); | |
dd2df737 | 400 | memory_global_sync_dirty_bitmap(get_system_memory()); |
c6bf8e0e | 401 | |
a3161038 | 402 | QTAILQ_FOREACH(block, &ram_list.blocks, next) { |
c6bf8e0e | 403 | for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) { |
ece79318 JQ |
404 | if (memory_region_test_and_clear_dirty(block->mr, |
405 | addr, TARGET_PAGE_SIZE, | |
406 | DIRTY_MEMORY_MIGRATION)) { | |
c6bf8e0e JQ |
407 | migration_bitmap_set_dirty(block->mr, addr); |
408 | } | |
409 | } | |
c6bf8e0e JQ |
410 | } |
411 | trace_migration_bitmap_sync_end(migration_dirty_pages | |
3c12193d | 412 | - num_dirty_pages_init); |
8d017193 JQ |
413 | num_dirty_pages_period += migration_dirty_pages - num_dirty_pages_init; |
414 | end_time = qemu_get_clock_ms(rt_clock); | |
415 | ||
416 | /* more than 1 second = 1000 millisecons */ | |
417 | if (end_time > start_time + 1000) { | |
418 | s->dirty_pages_rate = num_dirty_pages_period * 1000 | |
419 | / (end_time - start_time); | |
90f8ae72 | 420 | s->dirty_bytes_rate = s->dirty_pages_rate * TARGET_PAGE_SIZE; |
8d017193 JQ |
421 | start_time = end_time; |
422 | num_dirty_pages_period = 0; | |
423 | } | |
dd2df737 JQ |
424 | } |
425 | ||
6c779f22 OW |
426 | /* |
427 | * ram_save_block: Writes a page of memory to the stream f | |
428 | * | |
b823ceaa JQ |
429 | * Returns: The number of bytes written. |
430 | * 0 means no dirty pages | |
6c779f22 OW |
431 | */ |
432 | ||
dd051c72 | 433 | static int ram_save_block(QEMUFile *f, bool last_stage) |
ad96090a | 434 | { |
b23a9a5c | 435 | RAMBlock *block = last_seen_block; |
e44359c3 | 436 | ram_addr_t offset = last_offset; |
4c8ae0f6 | 437 | bool complete_round = false; |
b823ceaa | 438 | int bytes_sent = 0; |
71c510e2 | 439 | MemoryRegion *mr; |
17ad9b35 | 440 | ram_addr_t current_addr; |
ad96090a | 441 | |
e44359c3 | 442 | if (!block) |
a3161038 | 443 | block = QTAILQ_FIRST(&ram_list.blocks); |
e44359c3 | 444 | |
4c8ae0f6 | 445 | while (true) { |
71c510e2 | 446 | mr = block->mr; |
4c8ae0f6 JQ |
447 | offset = migration_bitmap_find_and_reset_dirty(mr, offset); |
448 | if (complete_round && block == last_seen_block && | |
449 | offset >= last_offset) { | |
450 | break; | |
451 | } | |
452 | if (offset >= block->length) { | |
453 | offset = 0; | |
454 | block = QTAILQ_NEXT(block, next); | |
455 | if (!block) { | |
456 | block = QTAILQ_FIRST(&ram_list.blocks); | |
457 | complete_round = true; | |
458 | } | |
459 | } else { | |
ad96090a | 460 | uint8_t *p; |
5f718a15 | 461 | int cont = (block == last_sent_block) ? |
b23a9a5c | 462 | RAM_SAVE_FLAG_CONTINUE : 0; |
ad96090a | 463 | |
71c510e2 | 464 | p = memory_region_get_ram_ptr(mr) + offset; |
ad96090a | 465 | |
b823ceaa JQ |
466 | /* In doubt sent page as normal */ |
467 | bytes_sent = -1; | |
86003615 | 468 | if (is_dup_page(p)) { |
004d4c10 | 469 | acct_info.dup_pages++; |
3f7d7b09 JQ |
470 | bytes_sent = save_block_hdr(f, block, offset, cont, |
471 | RAM_SAVE_FLAG_COMPRESS); | |
ad96090a | 472 | qemu_put_byte(f, *p); |
3f7d7b09 | 473 | bytes_sent += 1; |
17ad9b35 OW |
474 | } else if (migrate_use_xbzrle()) { |
475 | current_addr = block->offset + offset; | |
476 | bytes_sent = save_xbzrle_page(f, p, current_addr, block, | |
dd051c72 JQ |
477 | offset, cont, last_stage); |
478 | if (!last_stage) { | |
479 | p = get_cached_data(XBZRLE.cache, current_addr); | |
480 | } | |
17ad9b35 OW |
481 | } |
482 | ||
b823ceaa | 483 | /* XBZRLE overflow or normal page */ |
17ad9b35 | 484 | if (bytes_sent == -1) { |
3f7d7b09 | 485 | bytes_sent = save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_PAGE); |
ad96090a | 486 | qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
3f7d7b09 | 487 | bytes_sent += TARGET_PAGE_SIZE; |
004d4c10 | 488 | acct_info.norm_pages++; |
ad96090a BS |
489 | } |
490 | ||
17ad9b35 | 491 | /* if page is unmodified, continue to the next */ |
b823ceaa | 492 | if (bytes_sent > 0) { |
5f718a15 | 493 | last_sent_block = block; |
17ad9b35 OW |
494 | break; |
495 | } | |
ad96090a | 496 | } |
4c8ae0f6 | 497 | } |
b23a9a5c | 498 | last_seen_block = block; |
e44359c3 | 499 | last_offset = offset; |
ad96090a | 500 | |
3fc250b4 | 501 | return bytes_sent; |
ad96090a BS |
502 | } |
503 | ||
504 | static uint64_t bytes_transferred; | |
505 | ||
506 | static ram_addr_t ram_save_remaining(void) | |
507 | { | |
c6bf8e0e | 508 | return migration_dirty_pages; |
ad96090a BS |
509 | } |
510 | ||
511 | uint64_t ram_bytes_remaining(void) | |
512 | { | |
513 | return ram_save_remaining() * TARGET_PAGE_SIZE; | |
514 | } | |
515 | ||
516 | uint64_t ram_bytes_transferred(void) | |
517 | { | |
518 | return bytes_transferred; | |
519 | } | |
520 | ||
521 | uint64_t ram_bytes_total(void) | |
522 | { | |
d17b5288 AW |
523 | RAMBlock *block; |
524 | uint64_t total = 0; | |
525 | ||
a3161038 | 526 | QTAILQ_FOREACH(block, &ram_list.blocks, next) |
d17b5288 AW |
527 | total += block->length; |
528 | ||
529 | return total; | |
ad96090a BS |
530 | } |
531 | ||
8e21cd32 OW |
532 | static void migration_end(void) |
533 | { | |
244eaa75 PB |
534 | if (migration_bitmap) { |
535 | memory_global_dirty_log_stop(); | |
536 | g_free(migration_bitmap); | |
537 | migration_bitmap = NULL; | |
538 | } | |
17ad9b35 | 539 | |
244eaa75 | 540 | if (XBZRLE.cache) { |
17ad9b35 OW |
541 | cache_fini(XBZRLE.cache); |
542 | g_free(XBZRLE.cache); | |
543 | g_free(XBZRLE.encoded_buf); | |
544 | g_free(XBZRLE.current_buf); | |
545 | g_free(XBZRLE.decoded_buf); | |
546 | XBZRLE.cache = NULL; | |
547 | } | |
8e21cd32 OW |
548 | } |
549 | ||
9b5bfab0 JQ |
550 | static void ram_migration_cancel(void *opaque) |
551 | { | |
552 | migration_end(); | |
553 | } | |
554 | ||
5a170775 JQ |
555 | static void reset_ram_globals(void) |
556 | { | |
b23a9a5c | 557 | last_seen_block = NULL; |
5f718a15 | 558 | last_sent_block = NULL; |
5a170775 | 559 | last_offset = 0; |
f798b07f | 560 | last_version = ram_list.version; |
5a170775 JQ |
561 | } |
562 | ||
4508bd9e JQ |
563 | #define MAX_WAIT 50 /* ms, half buffered_file limit */ |
564 | ||
d1315aac | 565 | static int ram_save_setup(QEMUFile *f, void *opaque) |
ad96090a | 566 | { |
d1315aac | 567 | RAMBlock *block; |
c6bf8e0e JQ |
568 | int64_t ram_pages = last_ram_offset() >> TARGET_PAGE_BITS; |
569 | ||
570 | migration_bitmap = bitmap_new(ram_pages); | |
7ec81e56 | 571 | bitmap_set(migration_bitmap, 0, ram_pages); |
c6bf8e0e | 572 | migration_dirty_pages = ram_pages; |
ad96090a | 573 | |
17ad9b35 OW |
574 | if (migrate_use_xbzrle()) { |
575 | XBZRLE.cache = cache_init(migrate_xbzrle_cache_size() / | |
576 | TARGET_PAGE_SIZE, | |
577 | TARGET_PAGE_SIZE); | |
578 | if (!XBZRLE.cache) { | |
579 | DPRINTF("Error creating cache\n"); | |
580 | return -1; | |
581 | } | |
582 | XBZRLE.encoded_buf = g_malloc0(TARGET_PAGE_SIZE); | |
583 | XBZRLE.current_buf = g_malloc(TARGET_PAGE_SIZE); | |
004d4c10 | 584 | acct_clear(); |
17ad9b35 OW |
585 | } |
586 | ||
9b095037 PB |
587 | qemu_mutex_lock_iothread(); |
588 | qemu_mutex_lock_ramlist(); | |
589 | bytes_transferred = 0; | |
590 | reset_ram_globals(); | |
591 | ||
d1315aac | 592 | memory_global_dirty_log_start(); |
c6bf8e0e | 593 | migration_bitmap_sync(); |
9b095037 | 594 | qemu_mutex_unlock_iothread(); |
ad96090a | 595 | |
d1315aac | 596 | qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE); |
97ab12d4 | 597 | |
a3161038 | 598 | QTAILQ_FOREACH(block, &ram_list.blocks, next) { |
d1315aac JQ |
599 | qemu_put_byte(f, strlen(block->idstr)); |
600 | qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr)); | |
601 | qemu_put_be64(f, block->length); | |
ad96090a BS |
602 | } |
603 | ||
b2a8658e | 604 | qemu_mutex_unlock_ramlist(); |
d1315aac JQ |
605 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
606 | ||
607 | return 0; | |
608 | } | |
609 | ||
16310a3c | 610 | static int ram_save_iterate(QEMUFile *f, void *opaque) |
d1315aac | 611 | { |
d1315aac JQ |
612 | int ret; |
613 | int i; | |
e4ed1541 | 614 | int64_t t0; |
b823ceaa | 615 | int total_sent = 0; |
d1315aac | 616 | |
b2a8658e UD |
617 | qemu_mutex_lock_ramlist(); |
618 | ||
f798b07f UD |
619 | if (ram_list.version != last_version) { |
620 | reset_ram_globals(); | |
621 | } | |
622 | ||
e4ed1541 | 623 | t0 = qemu_get_clock_ns(rt_clock); |
4508bd9e | 624 | i = 0; |
2975725f | 625 | while ((ret = qemu_file_rate_limit(f)) == 0) { |
3fc250b4 | 626 | int bytes_sent; |
ad96090a | 627 | |
dd051c72 | 628 | bytes_sent = ram_save_block(f, false); |
6c779f22 | 629 | /* no more blocks to sent */ |
b823ceaa | 630 | if (bytes_sent == 0) { |
ad96090a BS |
631 | break; |
632 | } | |
b823ceaa | 633 | total_sent += bytes_sent; |
004d4c10 | 634 | acct_info.iterations++; |
4508bd9e JQ |
635 | /* we want to check in the 1st loop, just in case it was the 1st time |
636 | and we had to sync the dirty bitmap. | |
637 | qemu_get_clock_ns() is a bit expensive, so we only check each some | |
638 | iterations | |
639 | */ | |
640 | if ((i & 63) == 0) { | |
e4ed1541 | 641 | uint64_t t1 = (qemu_get_clock_ns(rt_clock) - t0) / 1000000; |
4508bd9e | 642 | if (t1 > MAX_WAIT) { |
ef37a699 | 643 | DPRINTF("big wait: %" PRIu64 " milliseconds, %d iterations\n", |
4508bd9e JQ |
644 | t1, i); |
645 | break; | |
646 | } | |
647 | } | |
648 | i++; | |
ad96090a BS |
649 | } |
650 | ||
fb3409de PB |
651 | qemu_mutex_unlock_ramlist(); |
652 | ||
2975725f | 653 | if (ret < 0) { |
b823ceaa | 654 | bytes_transferred += total_sent; |
2975725f JQ |
655 | return ret; |
656 | } | |
657 | ||
16310a3c | 658 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
b823ceaa JQ |
659 | total_sent += 8; |
660 | bytes_transferred += total_sent; | |
16310a3c | 661 | |
b823ceaa | 662 | return total_sent; |
16310a3c JQ |
663 | } |
664 | ||
665 | static int ram_save_complete(QEMUFile *f, void *opaque) | |
666 | { | |
b2a8658e | 667 | qemu_mutex_lock_ramlist(); |
9c339485 | 668 | migration_bitmap_sync(); |
b2a8658e | 669 | |
ad96090a | 670 | /* try transferring iterative blocks of memory */ |
3a697f69 | 671 | |
16310a3c | 672 | /* flush all remaining blocks regardless of rate limiting */ |
6c779f22 | 673 | while (true) { |
3fc250b4 PR |
674 | int bytes_sent; |
675 | ||
dd051c72 | 676 | bytes_sent = ram_save_block(f, true); |
6c779f22 | 677 | /* no more blocks to sent */ |
b823ceaa | 678 | if (bytes_sent == 0) { |
6c779f22 | 679 | break; |
ad96090a | 680 | } |
16310a3c | 681 | bytes_transferred += bytes_sent; |
ad96090a | 682 | } |
244eaa75 | 683 | migration_end(); |
ad96090a | 684 | |
b2a8658e | 685 | qemu_mutex_unlock_ramlist(); |
ad96090a BS |
686 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
687 | ||
5b3c9638 | 688 | return 0; |
ad96090a BS |
689 | } |
690 | ||
e4ed1541 JQ |
691 | static uint64_t ram_save_pending(QEMUFile *f, void *opaque, uint64_t max_size) |
692 | { | |
693 | uint64_t remaining_size; | |
694 | ||
695 | remaining_size = ram_save_remaining() * TARGET_PAGE_SIZE; | |
696 | ||
697 | if (remaining_size < max_size) { | |
32c835ba | 698 | qemu_mutex_lock_iothread(); |
e4ed1541 | 699 | migration_bitmap_sync(); |
32c835ba | 700 | qemu_mutex_unlock_iothread(); |
e4ed1541 JQ |
701 | remaining_size = ram_save_remaining() * TARGET_PAGE_SIZE; |
702 | } | |
703 | return remaining_size; | |
704 | } | |
705 | ||
17ad9b35 OW |
706 | static int load_xbzrle(QEMUFile *f, ram_addr_t addr, void *host) |
707 | { | |
708 | int ret, rc = 0; | |
709 | unsigned int xh_len; | |
710 | int xh_flags; | |
711 | ||
712 | if (!XBZRLE.decoded_buf) { | |
713 | XBZRLE.decoded_buf = g_malloc(TARGET_PAGE_SIZE); | |
714 | } | |
715 | ||
716 | /* extract RLE header */ | |
717 | xh_flags = qemu_get_byte(f); | |
718 | xh_len = qemu_get_be16(f); | |
719 | ||
720 | if (xh_flags != ENCODING_FLAG_XBZRLE) { | |
721 | fprintf(stderr, "Failed to load XBZRLE page - wrong compression!\n"); | |
722 | return -1; | |
723 | } | |
724 | ||
725 | if (xh_len > TARGET_PAGE_SIZE) { | |
726 | fprintf(stderr, "Failed to load XBZRLE page - len overflow!\n"); | |
727 | return -1; | |
728 | } | |
729 | /* load data and decode */ | |
730 | qemu_get_buffer(f, XBZRLE.decoded_buf, xh_len); | |
731 | ||
732 | /* decode RLE */ | |
733 | ret = xbzrle_decode_buffer(XBZRLE.decoded_buf, xh_len, host, | |
734 | TARGET_PAGE_SIZE); | |
735 | if (ret == -1) { | |
736 | fprintf(stderr, "Failed to load XBZRLE page - decode error!\n"); | |
737 | rc = -1; | |
738 | } else if (ret > TARGET_PAGE_SIZE) { | |
739 | fprintf(stderr, "Failed to load XBZRLE page - size %d exceeds %d!\n", | |
740 | ret, TARGET_PAGE_SIZE); | |
741 | abort(); | |
742 | } | |
743 | ||
744 | return rc; | |
745 | } | |
746 | ||
a55bbe31 AW |
747 | static inline void *host_from_stream_offset(QEMUFile *f, |
748 | ram_addr_t offset, | |
749 | int flags) | |
750 | { | |
751 | static RAMBlock *block = NULL; | |
752 | char id[256]; | |
753 | uint8_t len; | |
754 | ||
755 | if (flags & RAM_SAVE_FLAG_CONTINUE) { | |
756 | if (!block) { | |
757 | fprintf(stderr, "Ack, bad migration stream!\n"); | |
758 | return NULL; | |
759 | } | |
760 | ||
dc94a7ed | 761 | return memory_region_get_ram_ptr(block->mr) + offset; |
a55bbe31 AW |
762 | } |
763 | ||
764 | len = qemu_get_byte(f); | |
765 | qemu_get_buffer(f, (uint8_t *)id, len); | |
766 | id[len] = 0; | |
767 | ||
a3161038 | 768 | QTAILQ_FOREACH(block, &ram_list.blocks, next) { |
a55bbe31 | 769 | if (!strncmp(id, block->idstr, sizeof(id))) |
dc94a7ed | 770 | return memory_region_get_ram_ptr(block->mr) + offset; |
a55bbe31 AW |
771 | } |
772 | ||
773 | fprintf(stderr, "Can't find block %s!\n", id); | |
774 | return NULL; | |
775 | } | |
776 | ||
7908c78d | 777 | static int ram_load(QEMUFile *f, void *opaque, int version_id) |
ad96090a BS |
778 | { |
779 | ram_addr_t addr; | |
3a697f69 | 780 | int flags, ret = 0; |
42802d47 | 781 | int error; |
3a697f69 OW |
782 | static uint64_t seq_iter; |
783 | ||
784 | seq_iter++; | |
ad96090a | 785 | |
f09f2189 | 786 | if (version_id < 4 || version_id > 4) { |
ad96090a BS |
787 | return -EINVAL; |
788 | } | |
789 | ||
790 | do { | |
791 | addr = qemu_get_be64(f); | |
792 | ||
793 | flags = addr & ~TARGET_PAGE_MASK; | |
794 | addr &= TARGET_PAGE_MASK; | |
795 | ||
796 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { | |
f09f2189 | 797 | if (version_id == 4) { |
97ab12d4 AW |
798 | /* Synchronize RAM block list */ |
799 | char id[256]; | |
800 | ram_addr_t length; | |
801 | ram_addr_t total_ram_bytes = addr; | |
802 | ||
803 | while (total_ram_bytes) { | |
804 | RAMBlock *block; | |
805 | uint8_t len; | |
806 | ||
807 | len = qemu_get_byte(f); | |
808 | qemu_get_buffer(f, (uint8_t *)id, len); | |
809 | id[len] = 0; | |
810 | length = qemu_get_be64(f); | |
811 | ||
a3161038 | 812 | QTAILQ_FOREACH(block, &ram_list.blocks, next) { |
97ab12d4 | 813 | if (!strncmp(id, block->idstr, sizeof(id))) { |
3a697f69 OW |
814 | if (block->length != length) { |
815 | ret = -EINVAL; | |
816 | goto done; | |
817 | } | |
97ab12d4 AW |
818 | break; |
819 | } | |
820 | } | |
821 | ||
822 | if (!block) { | |
fb787f81 AW |
823 | fprintf(stderr, "Unknown ramblock \"%s\", cannot " |
824 | "accept migration\n", id); | |
3a697f69 OW |
825 | ret = -EINVAL; |
826 | goto done; | |
97ab12d4 AW |
827 | } |
828 | ||
829 | total_ram_bytes -= length; | |
830 | } | |
ad96090a BS |
831 | } |
832 | } | |
833 | ||
834 | if (flags & RAM_SAVE_FLAG_COMPRESS) { | |
97ab12d4 AW |
835 | void *host; |
836 | uint8_t ch; | |
837 | ||
f09f2189 | 838 | host = host_from_stream_offset(f, addr, flags); |
492fb99c MT |
839 | if (!host) { |
840 | return -EINVAL; | |
841 | } | |
97ab12d4 | 842 | |
97ab12d4 AW |
843 | ch = qemu_get_byte(f); |
844 | memset(host, ch, TARGET_PAGE_SIZE); | |
ad96090a BS |
845 | #ifndef _WIN32 |
846 | if (ch == 0 && | |
45e6cee4 DG |
847 | (!kvm_enabled() || kvm_has_sync_mmu()) && |
848 | getpagesize() <= TARGET_PAGE_SIZE) { | |
e78815a5 | 849 | qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED); |
ad96090a BS |
850 | } |
851 | #endif | |
852 | } else if (flags & RAM_SAVE_FLAG_PAGE) { | |
97ab12d4 AW |
853 | void *host; |
854 | ||
f09f2189 | 855 | host = host_from_stream_offset(f, addr, flags); |
0ff1f9f5 OW |
856 | if (!host) { |
857 | return -EINVAL; | |
858 | } | |
97ab12d4 | 859 | |
97ab12d4 | 860 | qemu_get_buffer(f, host, TARGET_PAGE_SIZE); |
17ad9b35 | 861 | } else if (flags & RAM_SAVE_FLAG_XBZRLE) { |
17ad9b35 OW |
862 | void *host = host_from_stream_offset(f, addr, flags); |
863 | if (!host) { | |
864 | return -EINVAL; | |
865 | } | |
866 | ||
867 | if (load_xbzrle(f, addr, host) < 0) { | |
868 | ret = -EINVAL; | |
869 | goto done; | |
870 | } | |
ad96090a | 871 | } |
42802d47 JQ |
872 | error = qemu_file_get_error(f); |
873 | if (error) { | |
3a697f69 OW |
874 | ret = error; |
875 | goto done; | |
ad96090a BS |
876 | } |
877 | } while (!(flags & RAM_SAVE_FLAG_EOS)); | |
878 | ||
3a697f69 | 879 | done: |
ef37a699 IM |
880 | DPRINTF("Completed load of VM with exit code %d seq iteration " |
881 | "%" PRIu64 "\n", ret, seq_iter); | |
3a697f69 | 882 | return ret; |
ad96090a BS |
883 | } |
884 | ||
7908c78d | 885 | SaveVMHandlers savevm_ram_handlers = { |
d1315aac | 886 | .save_live_setup = ram_save_setup, |
16310a3c JQ |
887 | .save_live_iterate = ram_save_iterate, |
888 | .save_live_complete = ram_save_complete, | |
e4ed1541 | 889 | .save_live_pending = ram_save_pending, |
7908c78d | 890 | .load_state = ram_load, |
9b5bfab0 | 891 | .cancel = ram_migration_cancel, |
7908c78d JQ |
892 | }; |
893 | ||
ad96090a | 894 | #ifdef HAS_AUDIO |
0dfa5ef9 IY |
895 | struct soundhw { |
896 | const char *name; | |
897 | const char *descr; | |
898 | int enabled; | |
899 | int isa; | |
900 | union { | |
4a0f031d | 901 | int (*init_isa) (ISABus *bus); |
0dfa5ef9 IY |
902 | int (*init_pci) (PCIBus *bus); |
903 | } init; | |
904 | }; | |
905 | ||
906 | static struct soundhw soundhw[] = { | |
ad96090a | 907 | #ifdef HAS_AUDIO_CHOICE |
da12872a | 908 | #ifdef CONFIG_PCSPK |
ad96090a BS |
909 | { |
910 | "pcspk", | |
911 | "PC speaker", | |
912 | 0, | |
913 | 1, | |
914 | { .init_isa = pcspk_audio_init } | |
915 | }, | |
916 | #endif | |
917 | ||
918 | #ifdef CONFIG_SB16 | |
919 | { | |
920 | "sb16", | |
921 | "Creative Sound Blaster 16", | |
922 | 0, | |
923 | 1, | |
924 | { .init_isa = SB16_init } | |
925 | }, | |
926 | #endif | |
927 | ||
928 | #ifdef CONFIG_CS4231A | |
929 | { | |
930 | "cs4231a", | |
931 | "CS4231A", | |
932 | 0, | |
933 | 1, | |
934 | { .init_isa = cs4231a_init } | |
935 | }, | |
936 | #endif | |
937 | ||
938 | #ifdef CONFIG_ADLIB | |
939 | { | |
940 | "adlib", | |
941 | #ifdef HAS_YMF262 | |
942 | "Yamaha YMF262 (OPL3)", | |
943 | #else | |
944 | "Yamaha YM3812 (OPL2)", | |
945 | #endif | |
946 | 0, | |
947 | 1, | |
948 | { .init_isa = Adlib_init } | |
949 | }, | |
950 | #endif | |
951 | ||
952 | #ifdef CONFIG_GUS | |
953 | { | |
954 | "gus", | |
955 | "Gravis Ultrasound GF1", | |
956 | 0, | |
957 | 1, | |
958 | { .init_isa = GUS_init } | |
959 | }, | |
960 | #endif | |
961 | ||
962 | #ifdef CONFIG_AC97 | |
963 | { | |
964 | "ac97", | |
965 | "Intel 82801AA AC97 Audio", | |
966 | 0, | |
967 | 0, | |
968 | { .init_pci = ac97_init } | |
969 | }, | |
970 | #endif | |
971 | ||
972 | #ifdef CONFIG_ES1370 | |
973 | { | |
974 | "es1370", | |
975 | "ENSONIQ AudioPCI ES1370", | |
976 | 0, | |
977 | 0, | |
978 | { .init_pci = es1370_init } | |
979 | }, | |
980 | #endif | |
981 | ||
d61a4ce8 GH |
982 | #ifdef CONFIG_HDA |
983 | { | |
984 | "hda", | |
985 | "Intel HD Audio", | |
986 | 0, | |
987 | 0, | |
988 | { .init_pci = intel_hda_and_codec_init } | |
989 | }, | |
990 | #endif | |
991 | ||
ad96090a BS |
992 | #endif /* HAS_AUDIO_CHOICE */ |
993 | ||
994 | { NULL, NULL, 0, 0, { NULL } } | |
995 | }; | |
996 | ||
997 | void select_soundhw(const char *optarg) | |
998 | { | |
999 | struct soundhw *c; | |
1000 | ||
c8057f95 | 1001 | if (is_help_option(optarg)) { |
ad96090a BS |
1002 | show_valid_cards: |
1003 | ||
55d4fd3c | 1004 | #ifdef HAS_AUDIO_CHOICE |
ad96090a BS |
1005 | printf("Valid sound card names (comma separated):\n"); |
1006 | for (c = soundhw; c->name; ++c) { | |
1007 | printf ("%-11s %s\n", c->name, c->descr); | |
1008 | } | |
1009 | printf("\n-soundhw all will enable all of the above\n"); | |
55d4fd3c PM |
1010 | #else |
1011 | printf("Machine has no user-selectable audio hardware " | |
1012 | "(it may or may not have always-present audio hardware).\n"); | |
1013 | #endif | |
c8057f95 | 1014 | exit(!is_help_option(optarg)); |
ad96090a BS |
1015 | } |
1016 | else { | |
1017 | size_t l; | |
1018 | const char *p; | |
1019 | char *e; | |
1020 | int bad_card = 0; | |
1021 | ||
1022 | if (!strcmp(optarg, "all")) { | |
1023 | for (c = soundhw; c->name; ++c) { | |
1024 | c->enabled = 1; | |
1025 | } | |
1026 | return; | |
1027 | } | |
1028 | ||
1029 | p = optarg; | |
1030 | while (*p) { | |
1031 | e = strchr(p, ','); | |
1032 | l = !e ? strlen(p) : (size_t) (e - p); | |
1033 | ||
1034 | for (c = soundhw; c->name; ++c) { | |
1035 | if (!strncmp(c->name, p, l) && !c->name[l]) { | |
1036 | c->enabled = 1; | |
1037 | break; | |
1038 | } | |
1039 | } | |
1040 | ||
1041 | if (!c->name) { | |
1042 | if (l > 80) { | |
1043 | fprintf(stderr, | |
1044 | "Unknown sound card name (too big to show)\n"); | |
1045 | } | |
1046 | else { | |
1047 | fprintf(stderr, "Unknown sound card name `%.*s'\n", | |
1048 | (int) l, p); | |
1049 | } | |
1050 | bad_card = 1; | |
1051 | } | |
1052 | p += l + (e != NULL); | |
1053 | } | |
1054 | ||
1055 | if (bad_card) { | |
1056 | goto show_valid_cards; | |
1057 | } | |
1058 | } | |
1059 | } | |
0dfa5ef9 | 1060 | |
4a0f031d | 1061 | void audio_init(ISABus *isa_bus, PCIBus *pci_bus) |
0dfa5ef9 IY |
1062 | { |
1063 | struct soundhw *c; | |
1064 | ||
1065 | for (c = soundhw; c->name; ++c) { | |
1066 | if (c->enabled) { | |
1067 | if (c->isa) { | |
4a0f031d HP |
1068 | if (isa_bus) { |
1069 | c->init.init_isa(isa_bus); | |
0dfa5ef9 IY |
1070 | } |
1071 | } else { | |
1072 | if (pci_bus) { | |
1073 | c->init.init_pci(pci_bus); | |
1074 | } | |
1075 | } | |
1076 | } | |
1077 | } | |
1078 | } | |
ad96090a BS |
1079 | #else |
1080 | void select_soundhw(const char *optarg) | |
1081 | { | |
1082 | } | |
4a0f031d | 1083 | void audio_init(ISABus *isa_bus, PCIBus *pci_bus) |
0dfa5ef9 IY |
1084 | { |
1085 | } | |
ad96090a BS |
1086 | #endif |
1087 | ||
1088 | int qemu_uuid_parse(const char *str, uint8_t *uuid) | |
1089 | { | |
1090 | int ret; | |
1091 | ||
1092 | if (strlen(str) != 36) { | |
1093 | return -1; | |
1094 | } | |
1095 | ||
1096 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], | |
1097 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], | |
1098 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], | |
1099 | &uuid[15]); | |
1100 | ||
1101 | if (ret != 16) { | |
1102 | return -1; | |
1103 | } | |
1104 | #ifdef TARGET_I386 | |
1105 | smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); | |
1106 | #endif | |
1107 | return 0; | |
1108 | } | |
1109 | ||
1110 | void do_acpitable_option(const char *optarg) | |
1111 | { | |
1112 | #ifdef TARGET_I386 | |
1113 | if (acpi_table_add(optarg) < 0) { | |
1114 | fprintf(stderr, "Wrong acpi table provided\n"); | |
1115 | exit(1); | |
1116 | } | |
1117 | #endif | |
1118 | } | |
1119 | ||
1120 | void do_smbios_option(const char *optarg) | |
1121 | { | |
1122 | #ifdef TARGET_I386 | |
1123 | if (smbios_entry_add(optarg) < 0) { | |
1124 | fprintf(stderr, "Wrong smbios provided\n"); | |
1125 | exit(1); | |
1126 | } | |
1127 | #endif | |
1128 | } | |
1129 | ||
1130 | void cpudef_init(void) | |
1131 | { | |
1132 | #if defined(cpudef_setup) | |
1133 | cpudef_setup(); /* parse cpu definitions in target config file */ | |
1134 | #endif | |
1135 | } | |
1136 | ||
1137 | int audio_available(void) | |
1138 | { | |
1139 | #ifdef HAS_AUDIO | |
1140 | return 1; | |
1141 | #else | |
1142 | return 0; | |
1143 | #endif | |
1144 | } | |
1145 | ||
303d4e86 AP |
1146 | int tcg_available(void) |
1147 | { | |
1148 | return 1; | |
1149 | } | |
1150 | ||
ad96090a BS |
1151 | int kvm_available(void) |
1152 | { | |
1153 | #ifdef CONFIG_KVM | |
1154 | return 1; | |
1155 | #else | |
1156 | return 0; | |
1157 | #endif | |
1158 | } | |
1159 | ||
1160 | int xen_available(void) | |
1161 | { | |
1162 | #ifdef CONFIG_XEN | |
1163 | return 1; | |
1164 | #else | |
1165 | return 0; | |
1166 | #endif | |
1167 | } | |
99afc91d DB |
1168 | |
1169 | ||
1170 | TargetInfo *qmp_query_target(Error **errp) | |
1171 | { | |
1172 | TargetInfo *info = g_malloc0(sizeof(*info)); | |
1173 | ||
1174 | info->arch = TARGET_TYPE; | |
1175 | ||
1176 | return info; | |
1177 | } |