4 * Copyright (c) 2003-2008 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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
28 #include <sys/types.h>
32 #include "monitor/monitor.h"
33 #include "sysemu/sysemu.h"
34 #include "qemu/bitops.h"
35 #include "qemu/bitmap.h"
36 #include "sysemu/arch_init.h"
37 #include "audio/audio.h"
39 #include "hw/pci/pci.h"
40 #include "hw/audiodev.h"
41 #include "sysemu/kvm.h"
42 #include "migration/migration.h"
43 #include "exec/gdbstub.h"
44 #include "hw/smbios.h"
45 #include "exec/address-spaces.h"
47 #include "migration/page_cache.h"
48 #include "qemu/config-file.h"
49 #include "qmp-commands.h"
51 #include "exec/cpu-all.h"
53 #ifdef DEBUG_ARCH_INIT
54 #define DPRINTF(fmt, ...) \
55 do { fprintf(stdout, "arch_init: " fmt, ## __VA_ARGS__); } while (0)
57 #define DPRINTF(fmt, ...) \
62 int graphic_width
= 1024;
63 int graphic_height
= 768;
64 int graphic_depth
= 8;
66 int graphic_width
= 800;
67 int graphic_height
= 600;
68 int graphic_depth
= 15;
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
82 #elif defined(TARGET_LM32)
83 #define QEMU_ARCH QEMU_ARCH_LM32
84 #elif defined(TARGET_MICROBLAZE)
85 #define QEMU_ARCH QEMU_ARCH_MICROBLAZE
86 #elif defined(TARGET_MIPS)
87 #define QEMU_ARCH QEMU_ARCH_MIPS
88 #elif defined(TARGET_MOXIE)
89 #define QEMU_ARCH QEMU_ARCH_MOXIE
90 #elif defined(TARGET_OPENRISC)
91 #define QEMU_ARCH QEMU_ARCH_OPENRISC
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
100 #elif defined(TARGET_XTENSA)
101 #define QEMU_ARCH QEMU_ARCH_XTENSA
102 #elif defined(TARGET_UNICORE32)
103 #define QEMU_ARCH QEMU_ARCH_UNICORE32
106 const uint32_t arch_type
= QEMU_ARCH
;
108 /***********************************************************/
109 /* ram save/restore */
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
117 #define RAM_SAVE_FLAG_XBZRLE 0x40
120 static struct defconfig_file
{
121 const char *filename
;
122 /* Indicates it is an user config file (disabled by -no-user-config) */
124 } default_config_files
[] = {
125 { CONFIG_QEMU_CONFDIR
"/qemu.conf", true },
126 { CONFIG_QEMU_CONFDIR
"/target-" TARGET_ARCH
".conf", true },
127 { NULL
}, /* end of list */
131 int qemu_read_default_config_files(bool userconfig
)
134 struct defconfig_file
*f
;
136 for (f
= default_config_files
; f
->filename
; f
++) {
137 if (!userconfig
&& f
->userconfig
) {
140 ret
= qemu_read_config_file(f
->filename
);
141 if (ret
< 0 && ret
!= -ENOENT
) {
149 static inline bool is_zero_page(uint8_t *p
)
151 return buffer_find_nonzero_offset(p
, TARGET_PAGE_SIZE
) ==
155 /* struct contains XBZRLE cache and a static page
156 used by the compression */
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 */
174 int64_t xbzrle_cache_resize(int64_t new_size
)
176 if (XBZRLE
.cache
!= NULL
) {
177 return cache_resize(XBZRLE
.cache
, new_size
/ TARGET_PAGE_SIZE
) *
180 return pow2floor(new_size
);
183 /* accounting for migration statistics */
184 typedef struct AccountingInfo
{
188 uint64_t xbzrle_bytes
;
189 uint64_t xbzrle_pages
;
190 uint64_t xbzrle_cache_miss
;
191 uint64_t xbzrle_overflows
;
194 static AccountingInfo acct_info
;
196 static void acct_clear(void)
198 memset(&acct_info
, 0, sizeof(acct_info
));
201 uint64_t dup_mig_bytes_transferred(void)
203 return acct_info
.dup_pages
* TARGET_PAGE_SIZE
;
206 uint64_t dup_mig_pages_transferred(void)
208 return acct_info
.dup_pages
;
211 uint64_t norm_mig_bytes_transferred(void)
213 return acct_info
.norm_pages
* TARGET_PAGE_SIZE
;
216 uint64_t norm_mig_pages_transferred(void)
218 return acct_info
.norm_pages
;
221 uint64_t xbzrle_mig_bytes_transferred(void)
223 return acct_info
.xbzrle_bytes
;
226 uint64_t xbzrle_mig_pages_transferred(void)
228 return acct_info
.xbzrle_pages
;
231 uint64_t xbzrle_mig_pages_cache_miss(void)
233 return acct_info
.xbzrle_cache_miss
;
236 uint64_t xbzrle_mig_pages_overflow(void)
238 return acct_info
.xbzrle_overflows
;
241 static size_t save_block_hdr(QEMUFile
*f
, RAMBlock
*block
, ram_addr_t offset
,
246 qemu_put_be64(f
, offset
| cont
| flag
);
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
);
258 #define ENCODING_FLAG_XBZRLE 0x1
260 static int save_xbzrle_page(QEMUFile
*f
, uint8_t *current_data
,
261 ram_addr_t current_addr
, RAMBlock
*block
,
262 ram_addr_t offset
, int cont
, bool last_stage
)
264 int encoded_len
= 0, bytes_sent
= -1;
265 uint8_t *prev_cached_page
;
267 if (!cache_is_cached(XBZRLE
.cache
, current_addr
)) {
269 cache_insert(XBZRLE
.cache
, current_addr
, current_data
);
271 acct_info
.xbzrle_cache_miss
++;
275 prev_cached_page
= get_cached_data(XBZRLE
.cache
, current_addr
);
277 /* save current buffer into memory */
278 memcpy(XBZRLE
.current_buf
, current_data
, TARGET_PAGE_SIZE
);
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
,
284 if (encoded_len
== 0) {
285 DPRINTF("Skipping unmodified page\n");
287 } else if (encoded_len
== -1) {
288 DPRINTF("Overflow\n");
289 acct_info
.xbzrle_overflows
++;
290 /* update data in the cache */
291 memcpy(prev_cached_page
, current_data
, TARGET_PAGE_SIZE
);
295 /* we need to update the data in the cache, in order to get the same data */
297 memcpy(prev_cached_page
, XBZRLE
.current_buf
, TARGET_PAGE_SIZE
);
300 /* Send XBZRLE based compressed page */
301 bytes_sent
= save_block_hdr(f
, block
, offset
, cont
, RAM_SAVE_FLAG_XBZRLE
);
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
);
305 bytes_sent
+= encoded_len
+ 1 + 2;
306 acct_info
.xbzrle_pages
++;
307 acct_info
.xbzrle_bytes
+= bytes_sent
;
313 /* This is the last block that we have visited serching for dirty pages
315 static RAMBlock
*last_seen_block
;
316 /* This is the last block from where we have sent data */
317 static RAMBlock
*last_sent_block
;
318 static ram_addr_t last_offset
;
319 static unsigned long *migration_bitmap
;
320 static uint64_t migration_dirty_pages
;
321 static uint32_t last_version
;
324 ram_addr_t
migration_bitmap_find_and_reset_dirty(MemoryRegion
*mr
,
327 unsigned long base
= mr
->ram_addr
>> TARGET_PAGE_BITS
;
328 unsigned long nr
= base
+ (start
>> TARGET_PAGE_BITS
);
329 unsigned long size
= base
+ (int128_get64(mr
->size
) >> TARGET_PAGE_BITS
);
331 unsigned long next
= find_next_bit(migration_bitmap
, size
, nr
);
334 clear_bit(next
, migration_bitmap
);
335 migration_dirty_pages
--;
337 return (next
- base
) << TARGET_PAGE_BITS
;
340 static inline bool migration_bitmap_set_dirty(MemoryRegion
*mr
,
344 int nr
= (mr
->ram_addr
+ offset
) >> TARGET_PAGE_BITS
;
346 ret
= test_and_set_bit(nr
, migration_bitmap
);
349 migration_dirty_pages
++;
354 /* Needs iothread lock! */
356 static void migration_bitmap_sync(void)
360 uint64_t num_dirty_pages_init
= migration_dirty_pages
;
361 MigrationState
*s
= migrate_get_current();
362 static int64_t start_time
;
363 static int64_t num_dirty_pages_period
;
367 start_time
= qemu_get_clock_ms(rt_clock
);
370 trace_migration_bitmap_sync_start();
371 memory_global_sync_dirty_bitmap(get_system_memory());
373 QTAILQ_FOREACH(block
, &ram_list
.blocks
, next
) {
374 for (addr
= 0; addr
< block
->length
; addr
+= TARGET_PAGE_SIZE
) {
375 if (memory_region_test_and_clear_dirty(block
->mr
,
376 addr
, TARGET_PAGE_SIZE
,
377 DIRTY_MEMORY_MIGRATION
)) {
378 migration_bitmap_set_dirty(block
->mr
, addr
);
382 trace_migration_bitmap_sync_end(migration_dirty_pages
383 - num_dirty_pages_init
);
384 num_dirty_pages_period
+= migration_dirty_pages
- num_dirty_pages_init
;
385 end_time
= qemu_get_clock_ms(rt_clock
);
387 /* more than 1 second = 1000 millisecons */
388 if (end_time
> start_time
+ 1000) {
389 s
->dirty_pages_rate
= num_dirty_pages_period
* 1000
390 / (end_time
- start_time
);
391 s
->dirty_bytes_rate
= s
->dirty_pages_rate
* TARGET_PAGE_SIZE
;
392 start_time
= end_time
;
393 num_dirty_pages_period
= 0;
398 * ram_save_block: Writes a page of memory to the stream f
400 * Returns: The number of bytes written.
401 * 0 means no dirty pages
404 static int ram_save_block(QEMUFile
*f
, bool last_stage
)
406 RAMBlock
*block
= last_seen_block
;
407 ram_addr_t offset
= last_offset
;
408 bool complete_round
= false;
411 ram_addr_t current_addr
;
414 block
= QTAILQ_FIRST(&ram_list
.blocks
);
418 offset
= migration_bitmap_find_and_reset_dirty(mr
, offset
);
419 if (complete_round
&& block
== last_seen_block
&&
420 offset
>= last_offset
) {
423 if (offset
>= block
->length
) {
425 block
= QTAILQ_NEXT(block
, next
);
427 block
= QTAILQ_FIRST(&ram_list
.blocks
);
428 complete_round
= true;
432 int cont
= (block
== last_sent_block
) ?
433 RAM_SAVE_FLAG_CONTINUE
: 0;
435 p
= memory_region_get_ram_ptr(mr
) + offset
;
437 /* In doubt sent page as normal */
439 if (is_zero_page(p
)) {
440 acct_info
.dup_pages
++;
441 bytes_sent
= save_block_hdr(f
, block
, offset
, cont
,
442 RAM_SAVE_FLAG_COMPRESS
);
445 } else if (migrate_use_xbzrle()) {
446 current_addr
= block
->offset
+ offset
;
447 bytes_sent
= save_xbzrle_page(f
, p
, current_addr
, block
,
448 offset
, cont
, last_stage
);
450 p
= get_cached_data(XBZRLE
.cache
, current_addr
);
454 /* XBZRLE overflow or normal page */
455 if (bytes_sent
== -1) {
456 bytes_sent
= save_block_hdr(f
, block
, offset
, cont
, RAM_SAVE_FLAG_PAGE
);
457 qemu_put_buffer(f
, p
, TARGET_PAGE_SIZE
);
458 bytes_sent
+= TARGET_PAGE_SIZE
;
459 acct_info
.norm_pages
++;
462 /* if page is unmodified, continue to the next */
463 if (bytes_sent
> 0) {
464 last_sent_block
= block
;
469 last_seen_block
= block
;
470 last_offset
= offset
;
475 static uint64_t bytes_transferred
;
477 static ram_addr_t
ram_save_remaining(void)
479 return migration_dirty_pages
;
482 uint64_t ram_bytes_remaining(void)
484 return ram_save_remaining() * TARGET_PAGE_SIZE
;
487 uint64_t ram_bytes_transferred(void)
489 return bytes_transferred
;
492 uint64_t ram_bytes_total(void)
497 QTAILQ_FOREACH(block
, &ram_list
.blocks
, next
)
498 total
+= block
->length
;
503 static void migration_end(void)
505 if (migration_bitmap
) {
506 memory_global_dirty_log_stop();
507 g_free(migration_bitmap
);
508 migration_bitmap
= NULL
;
512 cache_fini(XBZRLE
.cache
);
513 g_free(XBZRLE
.cache
);
514 g_free(XBZRLE
.encoded_buf
);
515 g_free(XBZRLE
.current_buf
);
516 g_free(XBZRLE
.decoded_buf
);
521 static void ram_migration_cancel(void *opaque
)
526 static void reset_ram_globals(void)
528 last_seen_block
= NULL
;
529 last_sent_block
= NULL
;
531 last_version
= ram_list
.version
;
534 #define MAX_WAIT 50 /* ms, half buffered_file limit */
536 static int ram_save_setup(QEMUFile
*f
, void *opaque
)
539 int64_t ram_pages
= last_ram_offset() >> TARGET_PAGE_BITS
;
541 migration_bitmap
= bitmap_new(ram_pages
);
542 bitmap_set(migration_bitmap
, 0, ram_pages
);
543 migration_dirty_pages
= ram_pages
;
545 if (migrate_use_xbzrle()) {
546 XBZRLE
.cache
= cache_init(migrate_xbzrle_cache_size() /
550 DPRINTF("Error creating cache\n");
553 XBZRLE
.encoded_buf
= g_malloc0(TARGET_PAGE_SIZE
);
554 XBZRLE
.current_buf
= g_malloc(TARGET_PAGE_SIZE
);
558 qemu_mutex_lock_iothread();
559 qemu_mutex_lock_ramlist();
560 bytes_transferred
= 0;
563 memory_global_dirty_log_start();
564 migration_bitmap_sync();
565 qemu_mutex_unlock_iothread();
567 qemu_put_be64(f
, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE
);
569 QTAILQ_FOREACH(block
, &ram_list
.blocks
, next
) {
570 qemu_put_byte(f
, strlen(block
->idstr
));
571 qemu_put_buffer(f
, (uint8_t *)block
->idstr
, strlen(block
->idstr
));
572 qemu_put_be64(f
, block
->length
);
575 qemu_mutex_unlock_ramlist();
576 qemu_put_be64(f
, RAM_SAVE_FLAG_EOS
);
581 static int ram_save_iterate(QEMUFile
*f
, void *opaque
)
588 qemu_mutex_lock_ramlist();
590 if (ram_list
.version
!= last_version
) {
594 t0
= qemu_get_clock_ns(rt_clock
);
596 while ((ret
= qemu_file_rate_limit(f
)) == 0) {
599 bytes_sent
= ram_save_block(f
, false);
600 /* no more blocks to sent */
601 if (bytes_sent
== 0) {
604 total_sent
+= bytes_sent
;
605 acct_info
.iterations
++;
606 /* we want to check in the 1st loop, just in case it was the 1st time
607 and we had to sync the dirty bitmap.
608 qemu_get_clock_ns() is a bit expensive, so we only check each some
612 uint64_t t1
= (qemu_get_clock_ns(rt_clock
) - t0
) / 1000000;
614 DPRINTF("big wait: %" PRIu64
" milliseconds, %d iterations\n",
622 qemu_mutex_unlock_ramlist();
625 bytes_transferred
+= total_sent
;
629 qemu_put_be64(f
, RAM_SAVE_FLAG_EOS
);
631 bytes_transferred
+= total_sent
;
636 static int ram_save_complete(QEMUFile
*f
, void *opaque
)
638 qemu_mutex_lock_ramlist();
639 migration_bitmap_sync();
641 /* try transferring iterative blocks of memory */
643 /* flush all remaining blocks regardless of rate limiting */
647 bytes_sent
= ram_save_block(f
, true);
648 /* no more blocks to sent */
649 if (bytes_sent
== 0) {
652 bytes_transferred
+= bytes_sent
;
656 qemu_mutex_unlock_ramlist();
657 qemu_put_be64(f
, RAM_SAVE_FLAG_EOS
);
662 static uint64_t ram_save_pending(QEMUFile
*f
, void *opaque
, uint64_t max_size
)
664 uint64_t remaining_size
;
666 remaining_size
= ram_save_remaining() * TARGET_PAGE_SIZE
;
668 if (remaining_size
< max_size
) {
669 qemu_mutex_lock_iothread();
670 migration_bitmap_sync();
671 qemu_mutex_unlock_iothread();
672 remaining_size
= ram_save_remaining() * TARGET_PAGE_SIZE
;
674 return remaining_size
;
677 static int load_xbzrle(QEMUFile
*f
, ram_addr_t addr
, void *host
)
683 if (!XBZRLE
.decoded_buf
) {
684 XBZRLE
.decoded_buf
= g_malloc(TARGET_PAGE_SIZE
);
687 /* extract RLE header */
688 xh_flags
= qemu_get_byte(f
);
689 xh_len
= qemu_get_be16(f
);
691 if (xh_flags
!= ENCODING_FLAG_XBZRLE
) {
692 fprintf(stderr
, "Failed to load XBZRLE page - wrong compression!\n");
696 if (xh_len
> TARGET_PAGE_SIZE
) {
697 fprintf(stderr
, "Failed to load XBZRLE page - len overflow!\n");
700 /* load data and decode */
701 qemu_get_buffer(f
, XBZRLE
.decoded_buf
, xh_len
);
704 ret
= xbzrle_decode_buffer(XBZRLE
.decoded_buf
, xh_len
, host
,
707 fprintf(stderr
, "Failed to load XBZRLE page - decode error!\n");
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
);
718 static inline void *host_from_stream_offset(QEMUFile
*f
,
722 static RAMBlock
*block
= NULL
;
726 if (flags
& RAM_SAVE_FLAG_CONTINUE
) {
728 fprintf(stderr
, "Ack, bad migration stream!\n");
732 return memory_region_get_ram_ptr(block
->mr
) + offset
;
735 len
= qemu_get_byte(f
);
736 qemu_get_buffer(f
, (uint8_t *)id
, len
);
739 QTAILQ_FOREACH(block
, &ram_list
.blocks
, next
) {
740 if (!strncmp(id
, block
->idstr
, sizeof(id
)))
741 return memory_region_get_ram_ptr(block
->mr
) + offset
;
744 fprintf(stderr
, "Can't find block %s!\n", id
);
748 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
753 static uint64_t seq_iter
;
757 if (version_id
< 4 || version_id
> 4) {
762 addr
= qemu_get_be64(f
);
764 flags
= addr
& ~TARGET_PAGE_MASK
;
765 addr
&= TARGET_PAGE_MASK
;
767 if (flags
& RAM_SAVE_FLAG_MEM_SIZE
) {
768 if (version_id
== 4) {
769 /* Synchronize RAM block list */
772 ram_addr_t total_ram_bytes
= addr
;
774 while (total_ram_bytes
) {
778 len
= qemu_get_byte(f
);
779 qemu_get_buffer(f
, (uint8_t *)id
, len
);
781 length
= qemu_get_be64(f
);
783 QTAILQ_FOREACH(block
, &ram_list
.blocks
, next
) {
784 if (!strncmp(id
, block
->idstr
, sizeof(id
))) {
785 if (block
->length
!= length
) {
794 fprintf(stderr
, "Unknown ramblock \"%s\", cannot "
795 "accept migration\n", id
);
800 total_ram_bytes
-= length
;
805 if (flags
& RAM_SAVE_FLAG_COMPRESS
) {
809 host
= host_from_stream_offset(f
, addr
, flags
);
814 ch
= qemu_get_byte(f
);
815 memset(host
, ch
, TARGET_PAGE_SIZE
);
818 (!kvm_enabled() || kvm_has_sync_mmu()) &&
819 getpagesize() <= TARGET_PAGE_SIZE
) {
820 qemu_madvise(host
, TARGET_PAGE_SIZE
, QEMU_MADV_DONTNEED
);
823 } else if (flags
& RAM_SAVE_FLAG_PAGE
) {
826 host
= host_from_stream_offset(f
, addr
, flags
);
831 qemu_get_buffer(f
, host
, TARGET_PAGE_SIZE
);
832 } else if (flags
& RAM_SAVE_FLAG_XBZRLE
) {
833 void *host
= host_from_stream_offset(f
, addr
, flags
);
838 if (load_xbzrle(f
, addr
, host
) < 0) {
843 error
= qemu_file_get_error(f
);
848 } while (!(flags
& RAM_SAVE_FLAG_EOS
));
851 DPRINTF("Completed load of VM with exit code %d seq iteration "
852 "%" PRIu64
"\n", ret
, seq_iter
);
856 SaveVMHandlers savevm_ram_handlers
= {
857 .save_live_setup
= ram_save_setup
,
858 .save_live_iterate
= ram_save_iterate
,
859 .save_live_complete
= ram_save_complete
,
860 .save_live_pending
= ram_save_pending
,
861 .load_state
= ram_load
,
862 .cancel
= ram_migration_cancel
,
872 int (*init_isa
) (ISABus
*bus
);
873 int (*init_pci
) (PCIBus
*bus
);
877 static struct soundhw soundhw
[] = {
878 #ifdef HAS_AUDIO_CHOICE
885 { .init_isa
= pcspk_audio_init
}
892 "Creative Sound Blaster 16",
895 { .init_isa
= SB16_init
}
899 #ifdef CONFIG_CS4231A
905 { .init_isa
= cs4231a_init
}
913 "Yamaha YMF262 (OPL3)",
915 "Yamaha YM3812 (OPL2)",
919 { .init_isa
= Adlib_init
}
926 "Gravis Ultrasound GF1",
929 { .init_isa
= GUS_init
}
936 "Intel 82801AA AC97 Audio",
939 { .init_pci
= ac97_init
}
946 "ENSONIQ AudioPCI ES1370",
949 { .init_pci
= es1370_init
}
959 { .init_pci
= intel_hda_and_codec_init
}
963 #endif /* HAS_AUDIO_CHOICE */
965 { NULL
, NULL
, 0, 0, { NULL
} }
968 void select_soundhw(const char *optarg
)
972 if (is_help_option(optarg
)) {
975 #ifdef HAS_AUDIO_CHOICE
976 printf("Valid sound card names (comma separated):\n");
977 for (c
= soundhw
; c
->name
; ++c
) {
978 printf ("%-11s %s\n", c
->name
, c
->descr
);
980 printf("\n-soundhw all will enable all of the above\n");
982 printf("Machine has no user-selectable audio hardware "
983 "(it may or may not have always-present audio hardware).\n");
985 exit(!is_help_option(optarg
));
993 if (!strcmp(optarg
, "all")) {
994 for (c
= soundhw
; c
->name
; ++c
) {
1003 l
= !e
? strlen(p
) : (size_t) (e
- p
);
1005 for (c
= soundhw
; c
->name
; ++c
) {
1006 if (!strncmp(c
->name
, p
, l
) && !c
->name
[l
]) {
1015 "Unknown sound card name (too big to show)\n");
1018 fprintf(stderr
, "Unknown sound card name `%.*s'\n",
1023 p
+= l
+ (e
!= NULL
);
1027 goto show_valid_cards
;
1032 void audio_init(ISABus
*isa_bus
, PCIBus
*pci_bus
)
1036 for (c
= soundhw
; c
->name
; ++c
) {
1040 c
->init
.init_isa(isa_bus
);
1044 c
->init
.init_pci(pci_bus
);
1051 void select_soundhw(const char *optarg
)
1054 void audio_init(ISABus
*isa_bus
, PCIBus
*pci_bus
)
1059 int qemu_uuid_parse(const char *str
, uint8_t *uuid
)
1063 if (strlen(str
) != 36) {
1067 ret
= sscanf(str
, UUID_FMT
, &uuid
[0], &uuid
[1], &uuid
[2], &uuid
[3],
1068 &uuid
[4], &uuid
[5], &uuid
[6], &uuid
[7], &uuid
[8], &uuid
[9],
1069 &uuid
[10], &uuid
[11], &uuid
[12], &uuid
[13], &uuid
[14],
1076 smbios_add_field(1, offsetof(struct smbios_type_1
, uuid
), 16, uuid
);
1081 void do_acpitable_option(const char *optarg
)
1084 if (acpi_table_add(optarg
) < 0) {
1085 fprintf(stderr
, "Wrong acpi table provided\n");
1091 void do_smbios_option(const char *optarg
)
1094 if (smbios_entry_add(optarg
) < 0) {
1095 fprintf(stderr
, "Wrong smbios provided\n");
1101 void cpudef_init(void)
1103 #if defined(cpudef_setup)
1104 cpudef_setup(); /* parse cpu definitions in target config file */
1108 int audio_available(void)
1117 int tcg_available(void)
1122 int kvm_available(void)
1131 int xen_available(void)
1141 TargetInfo
*qmp_query_target(Error
**errp
)
1143 TargetInfo
*info
= g_malloc0(sizeof(*info
));
1145 info
->arch
= TARGET_TYPE
;