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 int is_dup_page(uint8_t *page
)
151 VECTYPE
*p
= (VECTYPE
*)page
;
152 VECTYPE val
= SPLAT(page
);
155 for (i
= 0; i
< TARGET_PAGE_SIZE
/ sizeof(VECTYPE
); i
++) {
156 if (!ALL_EQ(val
, p
[i
])) {
164 /* struct contains XBZRLE cache and a static page
165 used by the compression */
167 /* buffer used for XBZRLE encoding */
168 uint8_t *encoded_buf
;
169 /* buffer for storing page content */
170 uint8_t *current_buf
;
171 /* buffer used for XBZRLE decoding */
172 uint8_t *decoded_buf
;
173 /* Cache for XBZRLE */
183 int64_t xbzrle_cache_resize(int64_t new_size
)
185 if (XBZRLE
.cache
!= NULL
) {
186 return cache_resize(XBZRLE
.cache
, new_size
/ TARGET_PAGE_SIZE
) *
189 return pow2floor(new_size
);
192 /* accounting for migration statistics */
193 typedef struct AccountingInfo
{
197 uint64_t xbzrle_bytes
;
198 uint64_t xbzrle_pages
;
199 uint64_t xbzrle_cache_miss
;
200 uint64_t xbzrle_overflows
;
203 static AccountingInfo acct_info
;
205 static void acct_clear(void)
207 memset(&acct_info
, 0, sizeof(acct_info
));
210 uint64_t dup_mig_bytes_transferred(void)
212 return acct_info
.dup_pages
* TARGET_PAGE_SIZE
;
215 uint64_t dup_mig_pages_transferred(void)
217 return acct_info
.dup_pages
;
220 uint64_t norm_mig_bytes_transferred(void)
222 return acct_info
.norm_pages
* TARGET_PAGE_SIZE
;
225 uint64_t norm_mig_pages_transferred(void)
227 return acct_info
.norm_pages
;
230 uint64_t xbzrle_mig_bytes_transferred(void)
232 return acct_info
.xbzrle_bytes
;
235 uint64_t xbzrle_mig_pages_transferred(void)
237 return acct_info
.xbzrle_pages
;
240 uint64_t xbzrle_mig_pages_cache_miss(void)
242 return acct_info
.xbzrle_cache_miss
;
245 uint64_t xbzrle_mig_pages_overflow(void)
247 return acct_info
.xbzrle_overflows
;
250 static size_t save_block_hdr(QEMUFile
*f
, RAMBlock
*block
, ram_addr_t offset
,
255 qemu_put_be64(f
, offset
| cont
| flag
);
259 qemu_put_byte(f
, strlen(block
->idstr
));
260 qemu_put_buffer(f
, (uint8_t *)block
->idstr
,
261 strlen(block
->idstr
));
262 size
+= 1 + strlen(block
->idstr
);
267 #define ENCODING_FLAG_XBZRLE 0x1
269 static int save_xbzrle_page(QEMUFile
*f
, uint8_t *current_data
,
270 ram_addr_t current_addr
, RAMBlock
*block
,
271 ram_addr_t offset
, int cont
, bool last_stage
)
273 int encoded_len
= 0, bytes_sent
= -1;
274 uint8_t *prev_cached_page
;
276 if (!cache_is_cached(XBZRLE
.cache
, current_addr
)) {
278 cache_insert(XBZRLE
.cache
, current_addr
, current_data
);
280 acct_info
.xbzrle_cache_miss
++;
284 prev_cached_page
= get_cached_data(XBZRLE
.cache
, current_addr
);
286 /* save current buffer into memory */
287 memcpy(XBZRLE
.current_buf
, current_data
, TARGET_PAGE_SIZE
);
289 /* XBZRLE encoding (if there is no overflow) */
290 encoded_len
= xbzrle_encode_buffer(prev_cached_page
, XBZRLE
.current_buf
,
291 TARGET_PAGE_SIZE
, XBZRLE
.encoded_buf
,
293 if (encoded_len
== 0) {
294 DPRINTF("Skipping unmodified page\n");
296 } else if (encoded_len
== -1) {
297 DPRINTF("Overflow\n");
298 acct_info
.xbzrle_overflows
++;
299 /* update data in the cache */
300 memcpy(prev_cached_page
, current_data
, TARGET_PAGE_SIZE
);
304 /* we need to update the data in the cache, in order to get the same data */
306 memcpy(prev_cached_page
, XBZRLE
.current_buf
, TARGET_PAGE_SIZE
);
309 /* Send XBZRLE based compressed page */
310 bytes_sent
= save_block_hdr(f
, block
, offset
, cont
, RAM_SAVE_FLAG_XBZRLE
);
311 qemu_put_byte(f
, ENCODING_FLAG_XBZRLE
);
312 qemu_put_be16(f
, encoded_len
);
313 qemu_put_buffer(f
, XBZRLE
.encoded_buf
, encoded_len
);
314 bytes_sent
+= encoded_len
+ 1 + 2;
315 acct_info
.xbzrle_pages
++;
316 acct_info
.xbzrle_bytes
+= bytes_sent
;
322 /* This is the last block that we have visited serching for dirty pages
324 static RAMBlock
*last_seen_block
;
325 /* This is the last block from where we have sent data */
326 static RAMBlock
*last_sent_block
;
327 static ram_addr_t last_offset
;
328 static unsigned long *migration_bitmap
;
329 static uint64_t migration_dirty_pages
;
330 static uint32_t last_version
;
333 ram_addr_t
migration_bitmap_find_and_reset_dirty(MemoryRegion
*mr
,
336 unsigned long base
= mr
->ram_addr
>> TARGET_PAGE_BITS
;
337 unsigned long nr
= base
+ (start
>> TARGET_PAGE_BITS
);
338 unsigned long size
= base
+ (int128_get64(mr
->size
) >> TARGET_PAGE_BITS
);
340 unsigned long next
= find_next_bit(migration_bitmap
, size
, nr
);
343 clear_bit(next
, migration_bitmap
);
344 migration_dirty_pages
--;
346 return (next
- base
) << TARGET_PAGE_BITS
;
349 static inline bool migration_bitmap_set_dirty(MemoryRegion
*mr
,
353 int nr
= (mr
->ram_addr
+ offset
) >> TARGET_PAGE_BITS
;
355 ret
= test_and_set_bit(nr
, migration_bitmap
);
358 migration_dirty_pages
++;
363 /* Needs iothread lock! */
365 static void migration_bitmap_sync(void)
369 uint64_t num_dirty_pages_init
= migration_dirty_pages
;
370 MigrationState
*s
= migrate_get_current();
371 static int64_t start_time
;
372 static int64_t num_dirty_pages_period
;
376 start_time
= qemu_get_clock_ms(rt_clock
);
379 trace_migration_bitmap_sync_start();
380 memory_global_sync_dirty_bitmap(get_system_memory());
382 QTAILQ_FOREACH(block
, &ram_list
.blocks
, next
) {
383 for (addr
= 0; addr
< block
->length
; addr
+= TARGET_PAGE_SIZE
) {
384 if (memory_region_test_and_clear_dirty(block
->mr
,
385 addr
, TARGET_PAGE_SIZE
,
386 DIRTY_MEMORY_MIGRATION
)) {
387 migration_bitmap_set_dirty(block
->mr
, addr
);
391 trace_migration_bitmap_sync_end(migration_dirty_pages
392 - num_dirty_pages_init
);
393 num_dirty_pages_period
+= migration_dirty_pages
- num_dirty_pages_init
;
394 end_time
= qemu_get_clock_ms(rt_clock
);
396 /* more than 1 second = 1000 millisecons */
397 if (end_time
> start_time
+ 1000) {
398 s
->dirty_pages_rate
= num_dirty_pages_period
* 1000
399 / (end_time
- start_time
);
400 s
->dirty_bytes_rate
= s
->dirty_pages_rate
* TARGET_PAGE_SIZE
;
401 start_time
= end_time
;
402 num_dirty_pages_period
= 0;
407 * ram_save_block: Writes a page of memory to the stream f
409 * Returns: The number of bytes written.
410 * 0 means no dirty pages
413 static int ram_save_block(QEMUFile
*f
, bool last_stage
)
415 RAMBlock
*block
= last_seen_block
;
416 ram_addr_t offset
= last_offset
;
417 bool complete_round
= false;
420 ram_addr_t current_addr
;
423 block
= QTAILQ_FIRST(&ram_list
.blocks
);
427 offset
= migration_bitmap_find_and_reset_dirty(mr
, offset
);
428 if (complete_round
&& block
== last_seen_block
&&
429 offset
>= last_offset
) {
432 if (offset
>= block
->length
) {
434 block
= QTAILQ_NEXT(block
, next
);
436 block
= QTAILQ_FIRST(&ram_list
.blocks
);
437 complete_round
= true;
441 int cont
= (block
== last_sent_block
) ?
442 RAM_SAVE_FLAG_CONTINUE
: 0;
444 p
= memory_region_get_ram_ptr(mr
) + offset
;
446 /* In doubt sent page as normal */
448 if (is_dup_page(p
)) {
449 acct_info
.dup_pages
++;
450 bytes_sent
= save_block_hdr(f
, block
, offset
, cont
,
451 RAM_SAVE_FLAG_COMPRESS
);
452 qemu_put_byte(f
, *p
);
454 } else if (migrate_use_xbzrle()) {
455 current_addr
= block
->offset
+ offset
;
456 bytes_sent
= save_xbzrle_page(f
, p
, current_addr
, block
,
457 offset
, cont
, last_stage
);
459 p
= get_cached_data(XBZRLE
.cache
, current_addr
);
463 /* XBZRLE overflow or normal page */
464 if (bytes_sent
== -1) {
465 bytes_sent
= save_block_hdr(f
, block
, offset
, cont
, RAM_SAVE_FLAG_PAGE
);
466 qemu_put_buffer(f
, p
, TARGET_PAGE_SIZE
);
467 bytes_sent
+= TARGET_PAGE_SIZE
;
468 acct_info
.norm_pages
++;
471 /* if page is unmodified, continue to the next */
472 if (bytes_sent
> 0) {
473 last_sent_block
= block
;
478 last_seen_block
= block
;
479 last_offset
= offset
;
484 static uint64_t bytes_transferred
;
486 static ram_addr_t
ram_save_remaining(void)
488 return migration_dirty_pages
;
491 uint64_t ram_bytes_remaining(void)
493 return ram_save_remaining() * TARGET_PAGE_SIZE
;
496 uint64_t ram_bytes_transferred(void)
498 return bytes_transferred
;
501 uint64_t ram_bytes_total(void)
506 QTAILQ_FOREACH(block
, &ram_list
.blocks
, next
)
507 total
+= block
->length
;
512 static void migration_end(void)
514 if (migration_bitmap
) {
515 memory_global_dirty_log_stop();
516 g_free(migration_bitmap
);
517 migration_bitmap
= NULL
;
521 cache_fini(XBZRLE
.cache
);
522 g_free(XBZRLE
.cache
);
523 g_free(XBZRLE
.encoded_buf
);
524 g_free(XBZRLE
.current_buf
);
525 g_free(XBZRLE
.decoded_buf
);
530 static void ram_migration_cancel(void *opaque
)
535 static void reset_ram_globals(void)
537 last_seen_block
= NULL
;
538 last_sent_block
= NULL
;
540 last_version
= ram_list
.version
;
543 #define MAX_WAIT 50 /* ms, half buffered_file limit */
545 static int ram_save_setup(QEMUFile
*f
, void *opaque
)
548 int64_t ram_pages
= last_ram_offset() >> TARGET_PAGE_BITS
;
550 migration_bitmap
= bitmap_new(ram_pages
);
551 bitmap_set(migration_bitmap
, 0, ram_pages
);
552 migration_dirty_pages
= ram_pages
;
554 if (migrate_use_xbzrle()) {
555 XBZRLE
.cache
= cache_init(migrate_xbzrle_cache_size() /
559 DPRINTF("Error creating cache\n");
562 XBZRLE
.encoded_buf
= g_malloc0(TARGET_PAGE_SIZE
);
563 XBZRLE
.current_buf
= g_malloc(TARGET_PAGE_SIZE
);
567 qemu_mutex_lock_iothread();
568 qemu_mutex_lock_ramlist();
569 bytes_transferred
= 0;
572 memory_global_dirty_log_start();
573 migration_bitmap_sync();
574 qemu_mutex_unlock_iothread();
576 qemu_put_be64(f
, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE
);
578 QTAILQ_FOREACH(block
, &ram_list
.blocks
, next
) {
579 qemu_put_byte(f
, strlen(block
->idstr
));
580 qemu_put_buffer(f
, (uint8_t *)block
->idstr
, strlen(block
->idstr
));
581 qemu_put_be64(f
, block
->length
);
584 qemu_mutex_unlock_ramlist();
585 qemu_put_be64(f
, RAM_SAVE_FLAG_EOS
);
590 static int ram_save_iterate(QEMUFile
*f
, void *opaque
)
597 qemu_mutex_lock_ramlist();
599 if (ram_list
.version
!= last_version
) {
603 t0
= qemu_get_clock_ns(rt_clock
);
605 while ((ret
= qemu_file_rate_limit(f
)) == 0) {
608 bytes_sent
= ram_save_block(f
, false);
609 /* no more blocks to sent */
610 if (bytes_sent
== 0) {
613 total_sent
+= bytes_sent
;
614 acct_info
.iterations
++;
615 /* we want to check in the 1st loop, just in case it was the 1st time
616 and we had to sync the dirty bitmap.
617 qemu_get_clock_ns() is a bit expensive, so we only check each some
621 uint64_t t1
= (qemu_get_clock_ns(rt_clock
) - t0
) / 1000000;
623 DPRINTF("big wait: %" PRIu64
" milliseconds, %d iterations\n",
631 qemu_mutex_unlock_ramlist();
634 bytes_transferred
+= total_sent
;
638 qemu_put_be64(f
, RAM_SAVE_FLAG_EOS
);
640 bytes_transferred
+= total_sent
;
645 static int ram_save_complete(QEMUFile
*f
, void *opaque
)
647 qemu_mutex_lock_ramlist();
648 migration_bitmap_sync();
650 /* try transferring iterative blocks of memory */
652 /* flush all remaining blocks regardless of rate limiting */
656 bytes_sent
= ram_save_block(f
, true);
657 /* no more blocks to sent */
658 if (bytes_sent
== 0) {
661 bytes_transferred
+= bytes_sent
;
665 qemu_mutex_unlock_ramlist();
666 qemu_put_be64(f
, RAM_SAVE_FLAG_EOS
);
671 static uint64_t ram_save_pending(QEMUFile
*f
, void *opaque
, uint64_t max_size
)
673 uint64_t remaining_size
;
675 remaining_size
= ram_save_remaining() * TARGET_PAGE_SIZE
;
677 if (remaining_size
< max_size
) {
678 qemu_mutex_lock_iothread();
679 migration_bitmap_sync();
680 qemu_mutex_unlock_iothread();
681 remaining_size
= ram_save_remaining() * TARGET_PAGE_SIZE
;
683 return remaining_size
;
686 static int load_xbzrle(QEMUFile
*f
, ram_addr_t addr
, void *host
)
692 if (!XBZRLE
.decoded_buf
) {
693 XBZRLE
.decoded_buf
= g_malloc(TARGET_PAGE_SIZE
);
696 /* extract RLE header */
697 xh_flags
= qemu_get_byte(f
);
698 xh_len
= qemu_get_be16(f
);
700 if (xh_flags
!= ENCODING_FLAG_XBZRLE
) {
701 fprintf(stderr
, "Failed to load XBZRLE page - wrong compression!\n");
705 if (xh_len
> TARGET_PAGE_SIZE
) {
706 fprintf(stderr
, "Failed to load XBZRLE page - len overflow!\n");
709 /* load data and decode */
710 qemu_get_buffer(f
, XBZRLE
.decoded_buf
, xh_len
);
713 ret
= xbzrle_decode_buffer(XBZRLE
.decoded_buf
, xh_len
, host
,
716 fprintf(stderr
, "Failed to load XBZRLE page - decode error!\n");
718 } else if (ret
> TARGET_PAGE_SIZE
) {
719 fprintf(stderr
, "Failed to load XBZRLE page - size %d exceeds %d!\n",
720 ret
, TARGET_PAGE_SIZE
);
727 static inline void *host_from_stream_offset(QEMUFile
*f
,
731 static RAMBlock
*block
= NULL
;
735 if (flags
& RAM_SAVE_FLAG_CONTINUE
) {
737 fprintf(stderr
, "Ack, bad migration stream!\n");
741 return memory_region_get_ram_ptr(block
->mr
) + offset
;
744 len
= qemu_get_byte(f
);
745 qemu_get_buffer(f
, (uint8_t *)id
, len
);
748 QTAILQ_FOREACH(block
, &ram_list
.blocks
, next
) {
749 if (!strncmp(id
, block
->idstr
, sizeof(id
)))
750 return memory_region_get_ram_ptr(block
->mr
) + offset
;
753 fprintf(stderr
, "Can't find block %s!\n", id
);
757 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
762 static uint64_t seq_iter
;
766 if (version_id
< 4 || version_id
> 4) {
771 addr
= qemu_get_be64(f
);
773 flags
= addr
& ~TARGET_PAGE_MASK
;
774 addr
&= TARGET_PAGE_MASK
;
776 if (flags
& RAM_SAVE_FLAG_MEM_SIZE
) {
777 if (version_id
== 4) {
778 /* Synchronize RAM block list */
781 ram_addr_t total_ram_bytes
= addr
;
783 while (total_ram_bytes
) {
787 len
= qemu_get_byte(f
);
788 qemu_get_buffer(f
, (uint8_t *)id
, len
);
790 length
= qemu_get_be64(f
);
792 QTAILQ_FOREACH(block
, &ram_list
.blocks
, next
) {
793 if (!strncmp(id
, block
->idstr
, sizeof(id
))) {
794 if (block
->length
!= length
) {
803 fprintf(stderr
, "Unknown ramblock \"%s\", cannot "
804 "accept migration\n", id
);
809 total_ram_bytes
-= length
;
814 if (flags
& RAM_SAVE_FLAG_COMPRESS
) {
818 host
= host_from_stream_offset(f
, addr
, flags
);
823 ch
= qemu_get_byte(f
);
824 memset(host
, ch
, TARGET_PAGE_SIZE
);
827 (!kvm_enabled() || kvm_has_sync_mmu()) &&
828 getpagesize() <= TARGET_PAGE_SIZE
) {
829 qemu_madvise(host
, TARGET_PAGE_SIZE
, QEMU_MADV_DONTNEED
);
832 } else if (flags
& RAM_SAVE_FLAG_PAGE
) {
835 host
= host_from_stream_offset(f
, addr
, flags
);
840 qemu_get_buffer(f
, host
, TARGET_PAGE_SIZE
);
841 } else if (flags
& RAM_SAVE_FLAG_XBZRLE
) {
842 void *host
= host_from_stream_offset(f
, addr
, flags
);
847 if (load_xbzrle(f
, addr
, host
) < 0) {
852 error
= qemu_file_get_error(f
);
857 } while (!(flags
& RAM_SAVE_FLAG_EOS
));
860 DPRINTF("Completed load of VM with exit code %d seq iteration "
861 "%" PRIu64
"\n", ret
, seq_iter
);
865 SaveVMHandlers savevm_ram_handlers
= {
866 .save_live_setup
= ram_save_setup
,
867 .save_live_iterate
= ram_save_iterate
,
868 .save_live_complete
= ram_save_complete
,
869 .save_live_pending
= ram_save_pending
,
870 .load_state
= ram_load
,
871 .cancel
= ram_migration_cancel
,
881 int (*init_isa
) (ISABus
*bus
);
882 int (*init_pci
) (PCIBus
*bus
);
886 static struct soundhw soundhw
[] = {
887 #ifdef HAS_AUDIO_CHOICE
894 { .init_isa
= pcspk_audio_init
}
901 "Creative Sound Blaster 16",
904 { .init_isa
= SB16_init
}
908 #ifdef CONFIG_CS4231A
914 { .init_isa
= cs4231a_init
}
922 "Yamaha YMF262 (OPL3)",
924 "Yamaha YM3812 (OPL2)",
928 { .init_isa
= Adlib_init
}
935 "Gravis Ultrasound GF1",
938 { .init_isa
= GUS_init
}
945 "Intel 82801AA AC97 Audio",
948 { .init_pci
= ac97_init
}
955 "ENSONIQ AudioPCI ES1370",
958 { .init_pci
= es1370_init
}
968 { .init_pci
= intel_hda_and_codec_init
}
972 #endif /* HAS_AUDIO_CHOICE */
974 { NULL
, NULL
, 0, 0, { NULL
} }
977 void select_soundhw(const char *optarg
)
981 if (is_help_option(optarg
)) {
984 #ifdef HAS_AUDIO_CHOICE
985 printf("Valid sound card names (comma separated):\n");
986 for (c
= soundhw
; c
->name
; ++c
) {
987 printf ("%-11s %s\n", c
->name
, c
->descr
);
989 printf("\n-soundhw all will enable all of the above\n");
991 printf("Machine has no user-selectable audio hardware "
992 "(it may or may not have always-present audio hardware).\n");
994 exit(!is_help_option(optarg
));
1002 if (!strcmp(optarg
, "all")) {
1003 for (c
= soundhw
; c
->name
; ++c
) {
1012 l
= !e
? strlen(p
) : (size_t) (e
- p
);
1014 for (c
= soundhw
; c
->name
; ++c
) {
1015 if (!strncmp(c
->name
, p
, l
) && !c
->name
[l
]) {
1024 "Unknown sound card name (too big to show)\n");
1027 fprintf(stderr
, "Unknown sound card name `%.*s'\n",
1032 p
+= l
+ (e
!= NULL
);
1036 goto show_valid_cards
;
1041 void audio_init(ISABus
*isa_bus
, PCIBus
*pci_bus
)
1045 for (c
= soundhw
; c
->name
; ++c
) {
1049 c
->init
.init_isa(isa_bus
);
1053 c
->init
.init_pci(pci_bus
);
1060 void select_soundhw(const char *optarg
)
1063 void audio_init(ISABus
*isa_bus
, PCIBus
*pci_bus
)
1068 int qemu_uuid_parse(const char *str
, uint8_t *uuid
)
1072 if (strlen(str
) != 36) {
1076 ret
= sscanf(str
, UUID_FMT
, &uuid
[0], &uuid
[1], &uuid
[2], &uuid
[3],
1077 &uuid
[4], &uuid
[5], &uuid
[6], &uuid
[7], &uuid
[8], &uuid
[9],
1078 &uuid
[10], &uuid
[11], &uuid
[12], &uuid
[13], &uuid
[14],
1085 smbios_add_field(1, offsetof(struct smbios_type_1
, uuid
), 16, uuid
);
1090 void do_acpitable_option(const char *optarg
)
1093 if (acpi_table_add(optarg
) < 0) {
1094 fprintf(stderr
, "Wrong acpi table provided\n");
1100 void do_smbios_option(const char *optarg
)
1103 if (smbios_entry_add(optarg
) < 0) {
1104 fprintf(stderr
, "Wrong smbios provided\n");
1110 void cpudef_init(void)
1112 #if defined(cpudef_setup)
1113 cpudef_setup(); /* parse cpu definitions in target config file */
1117 int audio_available(void)
1126 int tcg_available(void)
1131 int kvm_available(void)
1140 int xen_available(void)
1150 TargetInfo
*qmp_query_target(Error
**errp
)
1152 TargetInfo
*info
= g_malloc0(sizeof(*info
));
1154 info
->arch
= TARGET_TYPE
;