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Blue Swirlad960902010-03-29 19:23:52 +00001/*
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>
Michael S. Tsirkinb2e0a132010-11-22 19:52:34 +020026#include <stdlib.h>
Blue Swirlad960902010-03-29 19:23:52 +000027#ifndef _WIN32
Blue Swirl1c47cb12010-03-30 19:27:34 +000028#include <sys/types.h>
Blue Swirlad960902010-03-29 19:23:52 +000029#include <sys/mman.h>
30#endif
31#include "config.h"
32#include "monitor.h"
33#include "sysemu.h"
Juan Quintelac6bf8e02012-07-20 12:33:00 +020034#include "bitops.h"
35#include "bitmap.h"
Blue Swirlad960902010-03-29 19:23:52 +000036#include "arch_init.h"
37#include "audio/audio.h"
38#include "hw/pc.h"
39#include "hw/pci.h"
40#include "hw/audiodev.h"
41#include "kvm.h"
42#include "migration.h"
43#include "net.h"
44#include "gdbstub.h"
45#include "hw/smbios.h"
Avi Kivity86e775c2011-12-15 16:24:49 +020046#include "exec-memory.h"
Jan Kiszka302fe512012-02-17 11:24:34 +010047#include "hw/pcspk.h"
Orit Wasserman17ad9b32012-08-06 21:42:53 +030048#include "qemu/page_cache.h"
Daniel P. Berrange99afc912012-08-20 15:31:38 +010049#include "qmp-commands.h"
Juan Quintela3c121932012-09-04 13:08:57 +020050#include "trace.h"
Blue Swirlad960902010-03-29 19:23:52 +000051
Orit Wasserman3a697f62012-06-19 18:43:15 +030052#ifdef DEBUG_ARCH_INIT
53#define DPRINTF(fmt, ...) \
54 do { fprintf(stdout, "arch_init: " fmt, ## __VA_ARGS__); } while (0)
55#else
56#define DPRINTF(fmt, ...) \
57 do { } while (0)
58#endif
59
Blue Swirlad960902010-03-29 19:23:52 +000060#ifdef TARGET_SPARC
61int graphic_width = 1024;
62int graphic_height = 768;
63int graphic_depth = 8;
64#else
65int graphic_width = 800;
66int graphic_height = 600;
67int graphic_depth = 15;
68#endif
69
Blue Swirlad960902010-03-29 19:23:52 +000070
71#if defined(TARGET_ALPHA)
72#define QEMU_ARCH QEMU_ARCH_ALPHA
73#elif defined(TARGET_ARM)
74#define QEMU_ARCH QEMU_ARCH_ARM
75#elif defined(TARGET_CRIS)
76#define QEMU_ARCH QEMU_ARCH_CRIS
77#elif defined(TARGET_I386)
78#define QEMU_ARCH QEMU_ARCH_I386
79#elif defined(TARGET_M68K)
80#define QEMU_ARCH QEMU_ARCH_M68K
Michael Walle81ea0e12011-02-17 23:45:02 +010081#elif defined(TARGET_LM32)
82#define QEMU_ARCH QEMU_ARCH_LM32
Blue Swirlad960902010-03-29 19:23:52 +000083#elif defined(TARGET_MICROBLAZE)
84#define QEMU_ARCH QEMU_ARCH_MICROBLAZE
85#elif defined(TARGET_MIPS)
86#define QEMU_ARCH QEMU_ARCH_MIPS
Jia Liue67db062012-07-20 15:50:39 +080087#elif defined(TARGET_OPENRISC)
88#define QEMU_ARCH QEMU_ARCH_OPENRISC
Blue Swirlad960902010-03-29 19:23:52 +000089#elif defined(TARGET_PPC)
90#define QEMU_ARCH QEMU_ARCH_PPC
91#elif defined(TARGET_S390X)
92#define QEMU_ARCH QEMU_ARCH_S390X
93#elif defined(TARGET_SH4)
94#define QEMU_ARCH QEMU_ARCH_SH4
95#elif defined(TARGET_SPARC)
96#define QEMU_ARCH QEMU_ARCH_SPARC
Max Filippov23288262011-09-06 03:55:25 +040097#elif defined(TARGET_XTENSA)
98#define QEMU_ARCH QEMU_ARCH_XTENSA
Guan Xuetao4f23a1e2012-08-10 14:42:21 +080099#elif defined(TARGET_UNICORE32)
100#define QEMU_ARCH QEMU_ARCH_UNICORE32
Blue Swirlad960902010-03-29 19:23:52 +0000101#endif
102
103const uint32_t arch_type = QEMU_ARCH;
104
105/***********************************************************/
106/* ram save/restore */
107
Yoshiaki Tamurad20878d2010-08-18 13:30:12 +0900108#define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */
109#define RAM_SAVE_FLAG_COMPRESS 0x02
110#define RAM_SAVE_FLAG_MEM_SIZE 0x04
111#define RAM_SAVE_FLAG_PAGE 0x08
112#define RAM_SAVE_FLAG_EOS 0x10
113#define RAM_SAVE_FLAG_CONTINUE 0x20
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300114#define RAM_SAVE_FLAG_XBZRLE 0x40
Blue Swirlad960902010-03-29 19:23:52 +0000115
Paolo Bonzini86003612011-12-23 16:17:26 +0100116#ifdef __ALTIVEC__
117#include <altivec.h>
118#define VECTYPE vector unsigned char
119#define SPLAT(p) vec_splat(vec_ld(0, p), 0)
120#define ALL_EQ(v1, v2) vec_all_eq(v1, v2)
Andreas Färberf283edc2012-05-27 16:21:02 +0200121/* altivec.h may redefine the bool macro as vector type.
122 * Reset it to POSIX semantics. */
123#undef bool
124#define bool _Bool
Paolo Bonzini86003612011-12-23 16:17:26 +0100125#elif defined __SSE2__
126#include <emmintrin.h>
127#define VECTYPE __m128i
128#define SPLAT(p) _mm_set1_epi8(*(p))
129#define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF)
130#else
131#define VECTYPE unsigned long
132#define SPLAT(p) (*(p) * (~0UL / 255))
133#define ALL_EQ(v1, v2) ((v1) == (v2))
134#endif
135
Eduardo Habkostb5a8fe52012-05-02 13:07:25 -0300136
Eduardo Habkost756557d2012-05-02 13:07:27 -0300137static struct defconfig_file {
138 const char *filename;
Eduardo Habkostf29a5612012-05-02 13:07:29 -0300139 /* Indicates it is an user config file (disabled by -no-user-config) */
140 bool userconfig;
Eduardo Habkost756557d2012-05-02 13:07:27 -0300141} default_config_files[] = {
Eduardo Habkostf29a5612012-05-02 13:07:29 -0300142 { CONFIG_QEMU_CONFDIR "/qemu.conf", true },
143 { CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf", true },
Eduardo Habkost756557d2012-05-02 13:07:27 -0300144 { NULL }, /* end of list */
145};
146
147
Eduardo Habkostf29a5612012-05-02 13:07:29 -0300148int qemu_read_default_config_files(bool userconfig)
Eduardo Habkostb5a8fe52012-05-02 13:07:25 -0300149{
150 int ret;
Eduardo Habkost756557d2012-05-02 13:07:27 -0300151 struct defconfig_file *f;
152
153 for (f = default_config_files; f->filename; f++) {
Eduardo Habkostf29a5612012-05-02 13:07:29 -0300154 if (!userconfig && f->userconfig) {
155 continue;
156 }
Eduardo Habkost756557d2012-05-02 13:07:27 -0300157 ret = qemu_read_config_file(f->filename);
158 if (ret < 0 && ret != -ENOENT) {
159 return ret;
160 }
161 }
Eduardo Habkostb5a8fe52012-05-02 13:07:25 -0300162
Eduardo Habkostb5a8fe52012-05-02 13:07:25 -0300163 return 0;
164}
165
Paolo Bonzini86003612011-12-23 16:17:26 +0100166static int is_dup_page(uint8_t *page)
Blue Swirlad960902010-03-29 19:23:52 +0000167{
Paolo Bonzini86003612011-12-23 16:17:26 +0100168 VECTYPE *p = (VECTYPE *)page;
169 VECTYPE val = SPLAT(page);
Blue Swirlad960902010-03-29 19:23:52 +0000170 int i;
171
Paolo Bonzini86003612011-12-23 16:17:26 +0100172 for (i = 0; i < TARGET_PAGE_SIZE / sizeof(VECTYPE); i++) {
173 if (!ALL_EQ(val, p[i])) {
Blue Swirlad960902010-03-29 19:23:52 +0000174 return 0;
175 }
176 }
177
178 return 1;
179}
180
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300181/* struct contains XBZRLE cache and a static page
182 used by the compression */
183static struct {
184 /* buffer used for XBZRLE encoding */
185 uint8_t *encoded_buf;
186 /* buffer for storing page content */
187 uint8_t *current_buf;
188 /* buffer used for XBZRLE decoding */
189 uint8_t *decoded_buf;
190 /* Cache for XBZRLE */
191 PageCache *cache;
192} XBZRLE = {
193 .encoded_buf = NULL,
194 .current_buf = NULL,
195 .decoded_buf = NULL,
196 .cache = NULL,
197};
198
Orit Wasserman9e1ba4c2012-08-06 21:42:54 +0300199
200int64_t xbzrle_cache_resize(int64_t new_size)
201{
202 if (XBZRLE.cache != NULL) {
203 return cache_resize(XBZRLE.cache, new_size / TARGET_PAGE_SIZE) *
204 TARGET_PAGE_SIZE;
205 }
206 return pow2floor(new_size);
207}
208
Orit Wasserman004d4c12012-08-06 21:42:56 +0300209/* accounting for migration statistics */
210typedef struct AccountingInfo {
211 uint64_t dup_pages;
212 uint64_t norm_pages;
213 uint64_t iterations;
Orit Wassermanf36d55a2012-08-06 21:42:57 +0300214 uint64_t xbzrle_bytes;
215 uint64_t xbzrle_pages;
216 uint64_t xbzrle_cache_miss;
217 uint64_t xbzrle_overflows;
Orit Wasserman004d4c12012-08-06 21:42:56 +0300218} AccountingInfo;
219
220static AccountingInfo acct_info;
221
222static void acct_clear(void)
223{
224 memset(&acct_info, 0, sizeof(acct_info));
225}
226
227uint64_t dup_mig_bytes_transferred(void)
228{
229 return acct_info.dup_pages * TARGET_PAGE_SIZE;
230}
231
232uint64_t dup_mig_pages_transferred(void)
233{
234 return acct_info.dup_pages;
235}
236
237uint64_t norm_mig_bytes_transferred(void)
238{
239 return acct_info.norm_pages * TARGET_PAGE_SIZE;
240}
241
242uint64_t norm_mig_pages_transferred(void)
243{
244 return acct_info.norm_pages;
245}
246
Orit Wassermanf36d55a2012-08-06 21:42:57 +0300247uint64_t xbzrle_mig_bytes_transferred(void)
248{
249 return acct_info.xbzrle_bytes;
250}
251
252uint64_t xbzrle_mig_pages_transferred(void)
253{
254 return acct_info.xbzrle_pages;
255}
256
257uint64_t xbzrle_mig_pages_cache_miss(void)
258{
259 return acct_info.xbzrle_cache_miss;
260}
261
262uint64_t xbzrle_mig_pages_overflow(void)
263{
264 return acct_info.xbzrle_overflows;
265}
266
Orit Wasserman0c51f432012-06-19 18:43:14 +0300267static void save_block_hdr(QEMUFile *f, RAMBlock *block, ram_addr_t offset,
268 int cont, int flag)
269{
270 qemu_put_be64(f, offset | cont | flag);
271 if (!cont) {
272 qemu_put_byte(f, strlen(block->idstr));
273 qemu_put_buffer(f, (uint8_t *)block->idstr,
274 strlen(block->idstr));
275 }
276
277}
278
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300279#define ENCODING_FLAG_XBZRLE 0x1
280
281static int save_xbzrle_page(QEMUFile *f, uint8_t *current_data,
282 ram_addr_t current_addr, RAMBlock *block,
Juan Quinteladd051c72012-08-06 21:42:58 +0300283 ram_addr_t offset, int cont, bool last_stage)
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300284{
285 int encoded_len = 0, bytes_sent = -1;
286 uint8_t *prev_cached_page;
287
288 if (!cache_is_cached(XBZRLE.cache, current_addr)) {
Juan Quinteladd051c72012-08-06 21:42:58 +0300289 if (!last_stage) {
290 cache_insert(XBZRLE.cache, current_addr,
291 g_memdup(current_data, TARGET_PAGE_SIZE));
292 }
Orit Wassermanf36d55a2012-08-06 21:42:57 +0300293 acct_info.xbzrle_cache_miss++;
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300294 return -1;
295 }
296
297 prev_cached_page = get_cached_data(XBZRLE.cache, current_addr);
298
299 /* save current buffer into memory */
300 memcpy(XBZRLE.current_buf, current_data, TARGET_PAGE_SIZE);
301
302 /* XBZRLE encoding (if there is no overflow) */
303 encoded_len = xbzrle_encode_buffer(prev_cached_page, XBZRLE.current_buf,
304 TARGET_PAGE_SIZE, XBZRLE.encoded_buf,
305 TARGET_PAGE_SIZE);
306 if (encoded_len == 0) {
307 DPRINTF("Skipping unmodified page\n");
308 return 0;
309 } else if (encoded_len == -1) {
310 DPRINTF("Overflow\n");
Orit Wassermanf36d55a2012-08-06 21:42:57 +0300311 acct_info.xbzrle_overflows++;
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300312 /* update data in the cache */
313 memcpy(prev_cached_page, current_data, TARGET_PAGE_SIZE);
314 return -1;
315 }
316
317 /* we need to update the data in the cache, in order to get the same data */
Juan Quinteladd051c72012-08-06 21:42:58 +0300318 if (!last_stage) {
319 memcpy(prev_cached_page, XBZRLE.current_buf, TARGET_PAGE_SIZE);
320 }
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300321
322 /* Send XBZRLE based compressed page */
323 save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_XBZRLE);
324 qemu_put_byte(f, ENCODING_FLAG_XBZRLE);
325 qemu_put_be16(f, encoded_len);
326 qemu_put_buffer(f, XBZRLE.encoded_buf, encoded_len);
327 bytes_sent = encoded_len + 1 + 2;
Orit Wassermanf36d55a2012-08-06 21:42:57 +0300328 acct_info.xbzrle_pages++;
329 acct_info.xbzrle_bytes += bytes_sent;
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300330
331 return bytes_sent;
332}
333
Alex Williamson760e77e2010-08-19 10:18:42 -0300334static RAMBlock *last_block;
335static ram_addr_t last_offset;
Juan Quintelac6bf8e02012-07-20 12:33:00 +0200336static unsigned long *migration_bitmap;
337static uint64_t migration_dirty_pages;
Alex Williamson760e77e2010-08-19 10:18:42 -0300338
Juan Quintela69268cd2012-07-20 10:36:12 +0200339static inline bool migration_bitmap_test_and_reset_dirty(MemoryRegion *mr,
340 ram_addr_t offset)
341{
Juan Quintelac6bf8e02012-07-20 12:33:00 +0200342 bool ret;
343 int nr = (mr->ram_addr + offset) >> TARGET_PAGE_BITS;
344
345 ret = test_and_clear_bit(nr, migration_bitmap);
Juan Quintela69268cd2012-07-20 10:36:12 +0200346
347 if (ret) {
Juan Quintelac6bf8e02012-07-20 12:33:00 +0200348 migration_dirty_pages--;
Juan Quintela69268cd2012-07-20 10:36:12 +0200349 }
350 return ret;
351}
352
Juan Quintelac6bf8e02012-07-20 12:33:00 +0200353static inline bool migration_bitmap_set_dirty(MemoryRegion *mr,
354 ram_addr_t offset)
Juan Quintelae44d26c2012-07-20 10:16:08 +0200355{
Juan Quintelac6bf8e02012-07-20 12:33:00 +0200356 bool ret;
357 int nr = (mr->ram_addr + offset) >> TARGET_PAGE_BITS;
Juan Quintelae44d26c2012-07-20 10:16:08 +0200358
Juan Quintelac6bf8e02012-07-20 12:33:00 +0200359 ret = test_and_set_bit(nr, migration_bitmap);
360
361 if (!ret) {
362 migration_dirty_pages++;
Juan Quintelae44d26c2012-07-20 10:16:08 +0200363 }
Juan Quintelac6bf8e02012-07-20 12:33:00 +0200364 return ret;
Juan Quintelae44d26c2012-07-20 10:16:08 +0200365}
366
Juan Quinteladd2df732012-07-20 10:52:51 +0200367static void migration_bitmap_sync(void)
368{
Juan Quintelac6bf8e02012-07-20 12:33:00 +0200369 RAMBlock *block;
370 ram_addr_t addr;
371 uint64_t num_dirty_pages_init = migration_dirty_pages;
Juan Quintela8d017192012-08-13 12:31:25 +0200372 MigrationState *s = migrate_get_current();
373 static int64_t start_time;
374 static int64_t num_dirty_pages_period;
375 int64_t end_time;
376
377 if (!start_time) {
378 start_time = qemu_get_clock_ms(rt_clock);
379 }
Juan Quintela3c121932012-09-04 13:08:57 +0200380
381 trace_migration_bitmap_sync_start();
Juan Quinteladd2df732012-07-20 10:52:51 +0200382 memory_global_sync_dirty_bitmap(get_system_memory());
Juan Quintelac6bf8e02012-07-20 12:33:00 +0200383
384 QLIST_FOREACH(block, &ram_list.blocks, next) {
385 for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
386 if (memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
387 DIRTY_MEMORY_MIGRATION)) {
388 migration_bitmap_set_dirty(block->mr, addr);
389 }
390 }
391 memory_region_reset_dirty(block->mr, 0, block->length,
392 DIRTY_MEMORY_MIGRATION);
393 }
394 trace_migration_bitmap_sync_end(migration_dirty_pages
Juan Quintela3c121932012-09-04 13:08:57 +0200395 - num_dirty_pages_init);
Juan Quintela8d017192012-08-13 12:31:25 +0200396 num_dirty_pages_period += migration_dirty_pages - num_dirty_pages_init;
397 end_time = qemu_get_clock_ms(rt_clock);
398
399 /* more than 1 second = 1000 millisecons */
400 if (end_time > start_time + 1000) {
401 s->dirty_pages_rate = num_dirty_pages_period * 1000
402 / (end_time - start_time);
403 start_time = end_time;
404 num_dirty_pages_period = 0;
405 }
Juan Quinteladd2df732012-07-20 10:52:51 +0200406}
407
408
Orit Wasserman6c779f22012-07-10 12:37:13 +0300409/*
410 * ram_save_block: Writes a page of memory to the stream f
411 *
412 * Returns: 0: if the page hasn't changed
413 * -1: if there are no more dirty pages
414 * n: the amount of bytes written in other case
415 */
416
Juan Quinteladd051c72012-08-06 21:42:58 +0300417static int ram_save_block(QEMUFile *f, bool last_stage)
Blue Swirlad960902010-03-29 19:23:52 +0000418{
Alex Williamsone44359c2010-06-25 11:09:57 -0600419 RAMBlock *block = last_block;
420 ram_addr_t offset = last_offset;
Orit Wasserman6c779f22012-07-10 12:37:13 +0300421 int bytes_sent = -1;
Avi Kivity71c510e2011-12-21 13:11:22 +0200422 MemoryRegion *mr;
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300423 ram_addr_t current_addr;
Blue Swirlad960902010-03-29 19:23:52 +0000424
Alex Williamsone44359c2010-06-25 11:09:57 -0600425 if (!block)
426 block = QLIST_FIRST(&ram_list.blocks);
427
Alex Williamsone44359c2010-06-25 11:09:57 -0600428 do {
Avi Kivity71c510e2011-12-21 13:11:22 +0200429 mr = block->mr;
Juan Quintela69268cd2012-07-20 10:36:12 +0200430 if (migration_bitmap_test_and_reset_dirty(mr, offset)) {
Blue Swirlad960902010-03-29 19:23:52 +0000431 uint8_t *p;
Alex Williamsona55bbe32010-06-25 11:10:05 -0600432 int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0;
Blue Swirlad960902010-03-29 19:23:52 +0000433
Avi Kivity71c510e2011-12-21 13:11:22 +0200434 p = memory_region_get_ram_ptr(mr) + offset;
Blue Swirlad960902010-03-29 19:23:52 +0000435
Paolo Bonzini86003612011-12-23 16:17:26 +0100436 if (is_dup_page(p)) {
Orit Wasserman004d4c12012-08-06 21:42:56 +0300437 acct_info.dup_pages++;
Orit Wasserman0c51f432012-06-19 18:43:14 +0300438 save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_COMPRESS);
Blue Swirlad960902010-03-29 19:23:52 +0000439 qemu_put_byte(f, *p);
Pierre Riteau3fc250b2010-05-12 15:12:44 +0200440 bytes_sent = 1;
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300441 } else if (migrate_use_xbzrle()) {
442 current_addr = block->offset + offset;
443 bytes_sent = save_xbzrle_page(f, p, current_addr, block,
Juan Quinteladd051c72012-08-06 21:42:58 +0300444 offset, cont, last_stage);
445 if (!last_stage) {
446 p = get_cached_data(XBZRLE.cache, current_addr);
447 }
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300448 }
449
450 /* either we didn't send yet (we may have had XBZRLE overflow) */
451 if (bytes_sent == -1) {
Orit Wasserman0c51f432012-06-19 18:43:14 +0300452 save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_PAGE);
Blue Swirlad960902010-03-29 19:23:52 +0000453 qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
Pierre Riteau3fc250b2010-05-12 15:12:44 +0200454 bytes_sent = TARGET_PAGE_SIZE;
Orit Wasserman004d4c12012-08-06 21:42:56 +0300455 acct_info.norm_pages++;
Blue Swirlad960902010-03-29 19:23:52 +0000456 }
457
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300458 /* if page is unmodified, continue to the next */
459 if (bytes_sent != 0) {
460 break;
461 }
Blue Swirlad960902010-03-29 19:23:52 +0000462 }
Alex Williamsone44359c2010-06-25 11:09:57 -0600463
464 offset += TARGET_PAGE_SIZE;
465 if (offset >= block->length) {
466 offset = 0;
467 block = QLIST_NEXT(block, next);
468 if (!block)
469 block = QLIST_FIRST(&ram_list.blocks);
470 }
Avi Kivity71c510e2011-12-21 13:11:22 +0200471 } while (block != last_block || offset != last_offset);
Alex Williamsone44359c2010-06-25 11:09:57 -0600472
473 last_block = block;
474 last_offset = offset;
Blue Swirlad960902010-03-29 19:23:52 +0000475
Pierre Riteau3fc250b2010-05-12 15:12:44 +0200476 return bytes_sent;
Blue Swirlad960902010-03-29 19:23:52 +0000477}
478
479static uint64_t bytes_transferred;
480
481static ram_addr_t ram_save_remaining(void)
482{
Juan Quintelac6bf8e02012-07-20 12:33:00 +0200483 return migration_dirty_pages;
Blue Swirlad960902010-03-29 19:23:52 +0000484}
485
486uint64_t ram_bytes_remaining(void)
487{
488 return ram_save_remaining() * TARGET_PAGE_SIZE;
489}
490
491uint64_t ram_bytes_transferred(void)
492{
493 return bytes_transferred;
494}
495
496uint64_t ram_bytes_total(void)
497{
Alex Williamsond17b5282010-06-25 11:08:38 -0600498 RAMBlock *block;
499 uint64_t total = 0;
500
501 QLIST_FOREACH(block, &ram_list.blocks, next)
502 total += block->length;
503
504 return total;
Blue Swirlad960902010-03-29 19:23:52 +0000505}
506
Michael S. Tsirkinb2e0a132010-11-22 19:52:34 +0200507static int block_compar(const void *a, const void *b)
508{
509 RAMBlock * const *ablock = a;
510 RAMBlock * const *bblock = b;
Avi Kivity8fec98b2011-12-21 13:22:16 +0200511
512 return strcmp((*ablock)->idstr, (*bblock)->idstr);
Michael S. Tsirkinb2e0a132010-11-22 19:52:34 +0200513}
514
515static void sort_ram_list(void)
516{
517 RAMBlock *block, *nblock, **blocks;
518 int n;
519 n = 0;
520 QLIST_FOREACH(block, &ram_list.blocks, next) {
521 ++n;
522 }
Anthony Liguori7267c092011-08-20 22:09:37 -0500523 blocks = g_malloc(n * sizeof *blocks);
Michael S. Tsirkinb2e0a132010-11-22 19:52:34 +0200524 n = 0;
525 QLIST_FOREACH_SAFE(block, &ram_list.blocks, next, nblock) {
526 blocks[n++] = block;
527 QLIST_REMOVE(block, next);
528 }
529 qsort(blocks, n, sizeof *blocks, block_compar);
530 while (--n >= 0) {
531 QLIST_INSERT_HEAD(&ram_list.blocks, blocks[n], next);
532 }
Anthony Liguori7267c092011-08-20 22:09:37 -0500533 g_free(blocks);
Michael S. Tsirkinb2e0a132010-11-22 19:52:34 +0200534}
535
Orit Wasserman8e21cd32012-06-19 18:43:17 +0300536static void migration_end(void)
537{
538 memory_global_dirty_log_stop();
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300539
540 if (migrate_use_xbzrle()) {
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 }
Orit Wasserman8e21cd32012-06-19 18:43:17 +0300548}
549
Juan Quintela9b5bfab2012-06-26 19:26:41 +0200550static void ram_migration_cancel(void *opaque)
551{
552 migration_end();
553}
554
Juan Quintela5a170772012-07-17 17:02:24 +0200555
556static void reset_ram_globals(void)
557{
558 last_block = NULL;
559 last_offset = 0;
560 sort_ram_list();
561}
562
Juan Quintela4508bd92012-05-22 16:27:59 +0200563#define MAX_WAIT 50 /* ms, half buffered_file limit */
564
Juan Quintelad1315aa2012-06-28 15:11:57 +0200565static int ram_save_setup(QEMUFile *f, void *opaque)
Blue Swirlad960902010-03-29 19:23:52 +0000566{
Juan Quintelad1315aa2012-06-28 15:11:57 +0200567 RAMBlock *block;
Juan Quintelac6bf8e02012-07-20 12:33:00 +0200568 int64_t ram_pages = last_ram_offset() >> TARGET_PAGE_BITS;
569
570 migration_bitmap = bitmap_new(ram_pages);
571 bitmap_set(migration_bitmap, 1, ram_pages);
572 migration_dirty_pages = ram_pages;
Blue Swirlad960902010-03-29 19:23:52 +0000573
Juan Quintelad1315aa2012-06-28 15:11:57 +0200574 bytes_transferred = 0;
Juan Quintela5a170772012-07-17 17:02:24 +0200575 reset_ram_globals();
Blue Swirlad960902010-03-29 19:23:52 +0000576
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300577 if (migrate_use_xbzrle()) {
578 XBZRLE.cache = cache_init(migrate_xbzrle_cache_size() /
579 TARGET_PAGE_SIZE,
580 TARGET_PAGE_SIZE);
581 if (!XBZRLE.cache) {
582 DPRINTF("Error creating cache\n");
583 return -1;
584 }
585 XBZRLE.encoded_buf = g_malloc0(TARGET_PAGE_SIZE);
586 XBZRLE.current_buf = g_malloc(TARGET_PAGE_SIZE);
Orit Wasserman004d4c12012-08-06 21:42:56 +0300587 acct_clear();
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300588 }
589
Juan Quintelad1315aa2012-06-28 15:11:57 +0200590 memory_global_dirty_log_start();
Juan Quintelac6bf8e02012-07-20 12:33:00 +0200591 migration_bitmap_sync();
Juan Quintelad1315aa2012-06-28 15:11:57 +0200592
593 qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE);
594
595 QLIST_FOREACH(block, &ram_list.blocks, next) {
596 qemu_put_byte(f, strlen(block->idstr));
597 qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
598 qemu_put_be64(f, block->length);
599 }
600
Juan Quintelad1315aa2012-06-28 15:11:57 +0200601 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
602
603 return 0;
604}
605
Juan Quintela16310a32012-06-28 15:31:37 +0200606static int ram_save_iterate(QEMUFile *f, void *opaque)
Juan Quintelad1315aa2012-06-28 15:11:57 +0200607{
Alex Williamson97ab12d2010-06-25 11:09:50 -0600608 uint64_t bytes_transferred_last;
609 double bwidth = 0;
Blue Swirlad960902010-03-29 19:23:52 +0000610 int ret;
611 int i;
Juan Quintelac00012f2012-08-13 09:36:36 +0200612 uint64_t expected_downtime;
Juan Quintela2c52ddf2012-08-13 09:53:12 +0200613 MigrationState *s = migrate_get_current();
Blue Swirlad960902010-03-29 19:23:52 +0000614
615 bytes_transferred_last = bytes_transferred;
616 bwidth = qemu_get_clock_ns(rt_clock);
617
Juan Quintela4508bd92012-05-22 16:27:59 +0200618 i = 0;
Juan Quintela29757252011-10-19 15:22:18 +0200619 while ((ret = qemu_file_rate_limit(f)) == 0) {
Pierre Riteau3fc250b2010-05-12 15:12:44 +0200620 int bytes_sent;
Blue Swirlad960902010-03-29 19:23:52 +0000621
Juan Quinteladd051c72012-08-06 21:42:58 +0300622 bytes_sent = ram_save_block(f, false);
Orit Wasserman6c779f22012-07-10 12:37:13 +0300623 /* no more blocks to sent */
624 if (bytes_sent < 0) {
Blue Swirlad960902010-03-29 19:23:52 +0000625 break;
626 }
Orit Wasserman6c779f22012-07-10 12:37:13 +0300627 bytes_transferred += bytes_sent;
Orit Wasserman004d4c12012-08-06 21:42:56 +0300628 acct_info.iterations++;
Juan Quintela4508bd92012-05-22 16:27:59 +0200629 /* we want to check in the 1st loop, just in case it was the 1st time
630 and we had to sync the dirty bitmap.
631 qemu_get_clock_ns() is a bit expensive, so we only check each some
632 iterations
633 */
634 if ((i & 63) == 0) {
635 uint64_t t1 = (qemu_get_clock_ns(rt_clock) - bwidth) / 1000000;
636 if (t1 > MAX_WAIT) {
Igor Mitsyankoef37a692012-09-05 13:04:56 +0400637 DPRINTF("big wait: %" PRIu64 " milliseconds, %d iterations\n",
Juan Quintela4508bd92012-05-22 16:27:59 +0200638 t1, i);
639 break;
640 }
641 }
642 i++;
Blue Swirlad960902010-03-29 19:23:52 +0000643 }
644
Juan Quintela29757252011-10-19 15:22:18 +0200645 if (ret < 0) {
646 return ret;
647 }
648
Blue Swirlad960902010-03-29 19:23:52 +0000649 bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
650 bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
651
Juan Quintelac00012f2012-08-13 09:36:36 +0200652 /* if we haven't transferred anything this round, force
653 * expected_downtime to a very high value, but without
654 * crashing */
Blue Swirlad960902010-03-29 19:23:52 +0000655 if (bwidth == 0) {
656 bwidth = 0.000001;
657 }
658
Blue Swirlad960902010-03-29 19:23:52 +0000659 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
660
Juan Quintelac00012f2012-08-13 09:36:36 +0200661 expected_downtime = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
662 DPRINTF("ram_save_live: expected(%" PRIu64 ") <= max(" PRIu64 ")?\n",
663 expected_downtime, migrate_max_downtime());
Blue Swirlad960902010-03-29 19:23:52 +0000664
Juan Quintelac00012f2012-08-13 09:36:36 +0200665 if (expected_downtime <= migrate_max_downtime()) {
Juan Quinteladd2df732012-07-20 10:52:51 +0200666 migration_bitmap_sync();
Juan Quintelac00012f2012-08-13 09:36:36 +0200667 expected_downtime = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
Juan Quintela2c52ddf2012-08-13 09:53:12 +0200668 s->expected_downtime = expected_downtime / 1000000; /* ns -> ms */
Orit Wasserman3a697f62012-06-19 18:43:15 +0300669
Juan Quintelac00012f2012-08-13 09:36:36 +0200670 return expected_downtime <= migrate_max_downtime();
Juan Quintela5b3c9632012-05-22 00:44:24 +0200671 }
672 return 0;
Blue Swirlad960902010-03-29 19:23:52 +0000673}
674
Juan Quintela16310a32012-06-28 15:31:37 +0200675static int ram_save_complete(QEMUFile *f, void *opaque)
676{
Juan Quinteladd2df732012-07-20 10:52:51 +0200677 migration_bitmap_sync();
Juan Quintela16310a32012-06-28 15:31:37 +0200678
Juan Quintela16310a32012-06-28 15:31:37 +0200679 /* try transferring iterative blocks of memory */
680
681 /* flush all remaining blocks regardless of rate limiting */
Orit Wasserman6c779f22012-07-10 12:37:13 +0300682 while (true) {
683 int bytes_sent;
684
Juan Quinteladd051c72012-08-06 21:42:58 +0300685 bytes_sent = ram_save_block(f, true);
Orit Wasserman6c779f22012-07-10 12:37:13 +0300686 /* no more blocks to sent */
687 if (bytes_sent < 0) {
688 break;
689 }
Juan Quintela16310a32012-06-28 15:31:37 +0200690 bytes_transferred += bytes_sent;
691 }
692 memory_global_dirty_log_stop();
693
Blue Swirlad960902010-03-29 19:23:52 +0000694 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
695
Juan Quintelac6bf8e02012-07-20 12:33:00 +0200696 g_free(migration_bitmap);
697 migration_bitmap = NULL;
698
Alex Williamsona55bbe32010-06-25 11:10:05 -0600699 return 0;
700}
701
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300702static int load_xbzrle(QEMUFile *f, ram_addr_t addr, void *host)
703{
704 int ret, rc = 0;
705 unsigned int xh_len;
706 int xh_flags;
707
708 if (!XBZRLE.decoded_buf) {
709 XBZRLE.decoded_buf = g_malloc(TARGET_PAGE_SIZE);
710 }
711
712 /* extract RLE header */
713 xh_flags = qemu_get_byte(f);
714 xh_len = qemu_get_be16(f);
715
716 if (xh_flags != ENCODING_FLAG_XBZRLE) {
717 fprintf(stderr, "Failed to load XBZRLE page - wrong compression!\n");
718 return -1;
719 }
720
721 if (xh_len > TARGET_PAGE_SIZE) {
722 fprintf(stderr, "Failed to load XBZRLE page - len overflow!\n");
723 return -1;
724 }
725 /* load data and decode */
726 qemu_get_buffer(f, XBZRLE.decoded_buf, xh_len);
727
728 /* decode RLE */
729 ret = xbzrle_decode_buffer(XBZRLE.decoded_buf, xh_len, host,
730 TARGET_PAGE_SIZE);
731 if (ret == -1) {
732 fprintf(stderr, "Failed to load XBZRLE page - decode error!\n");
733 rc = -1;
734 } else if (ret > TARGET_PAGE_SIZE) {
735 fprintf(stderr, "Failed to load XBZRLE page - size %d exceeds %d!\n",
736 ret, TARGET_PAGE_SIZE);
737 abort();
738 }
739
740 return rc;
741}
742
Alex Williamsona55bbe32010-06-25 11:10:05 -0600743static inline void *host_from_stream_offset(QEMUFile *f,
744 ram_addr_t offset,
745 int flags)
746{
747 static RAMBlock *block = NULL;
748 char id[256];
749 uint8_t len;
750
751 if (flags & RAM_SAVE_FLAG_CONTINUE) {
752 if (!block) {
753 fprintf(stderr, "Ack, bad migration stream!\n");
754 return NULL;
755 }
756
Avi Kivitydc94a7e2011-12-21 13:54:33 +0200757 return memory_region_get_ram_ptr(block->mr) + offset;
Alex Williamsona55bbe32010-06-25 11:10:05 -0600758 }
759
760 len = qemu_get_byte(f);
761 qemu_get_buffer(f, (uint8_t *)id, len);
762 id[len] = 0;
763
764 QLIST_FOREACH(block, &ram_list.blocks, next) {
765 if (!strncmp(id, block->idstr, sizeof(id)))
Avi Kivitydc94a7e2011-12-21 13:54:33 +0200766 return memory_region_get_ram_ptr(block->mr) + offset;
Alex Williamsona55bbe32010-06-25 11:10:05 -0600767 }
768
769 fprintf(stderr, "Can't find block %s!\n", id);
770 return NULL;
771}
772
Juan Quintela7908c782012-06-26 18:46:10 +0200773static int ram_load(QEMUFile *f, void *opaque, int version_id)
Blue Swirlad960902010-03-29 19:23:52 +0000774{
775 ram_addr_t addr;
Orit Wasserman3a697f62012-06-19 18:43:15 +0300776 int flags, ret = 0;
Juan Quintela42802d42011-10-05 01:14:46 +0200777 int error;
Orit Wasserman3a697f62012-06-19 18:43:15 +0300778 static uint64_t seq_iter;
779
780 seq_iter++;
Blue Swirlad960902010-03-29 19:23:52 +0000781
Avi Kivityf09f2182011-12-21 13:37:56 +0200782 if (version_id < 4 || version_id > 4) {
Blue Swirlad960902010-03-29 19:23:52 +0000783 return -EINVAL;
784 }
785
786 do {
787 addr = qemu_get_be64(f);
788
789 flags = addr & ~TARGET_PAGE_MASK;
790 addr &= TARGET_PAGE_MASK;
791
792 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
Avi Kivityf09f2182011-12-21 13:37:56 +0200793 if (version_id == 4) {
Alex Williamson97ab12d2010-06-25 11:09:50 -0600794 /* Synchronize RAM block list */
795 char id[256];
796 ram_addr_t length;
797 ram_addr_t total_ram_bytes = addr;
798
799 while (total_ram_bytes) {
800 RAMBlock *block;
801 uint8_t len;
802
803 len = qemu_get_byte(f);
804 qemu_get_buffer(f, (uint8_t *)id, len);
805 id[len] = 0;
806 length = qemu_get_be64(f);
807
808 QLIST_FOREACH(block, &ram_list.blocks, next) {
809 if (!strncmp(id, block->idstr, sizeof(id))) {
Orit Wasserman3a697f62012-06-19 18:43:15 +0300810 if (block->length != length) {
811 ret = -EINVAL;
812 goto done;
813 }
Alex Williamson97ab12d2010-06-25 11:09:50 -0600814 break;
815 }
816 }
817
818 if (!block) {
Alex Williamsonfb787f82010-07-02 11:13:29 -0600819 fprintf(stderr, "Unknown ramblock \"%s\", cannot "
820 "accept migration\n", id);
Orit Wasserman3a697f62012-06-19 18:43:15 +0300821 ret = -EINVAL;
822 goto done;
Alex Williamson97ab12d2010-06-25 11:09:50 -0600823 }
824
825 total_ram_bytes -= length;
826 }
Blue Swirlad960902010-03-29 19:23:52 +0000827 }
828 }
829
830 if (flags & RAM_SAVE_FLAG_COMPRESS) {
Alex Williamson97ab12d2010-06-25 11:09:50 -0600831 void *host;
832 uint8_t ch;
833
Avi Kivityf09f2182011-12-21 13:37:56 +0200834 host = host_from_stream_offset(f, addr, flags);
Michael S. Tsirkin492fb992010-10-17 20:43:40 +0200835 if (!host) {
836 return -EINVAL;
837 }
Alex Williamson97ab12d2010-06-25 11:09:50 -0600838
Alex Williamson97ab12d2010-06-25 11:09:50 -0600839 ch = qemu_get_byte(f);
840 memset(host, ch, TARGET_PAGE_SIZE);
Blue Swirlad960902010-03-29 19:23:52 +0000841#ifndef _WIN32
842 if (ch == 0 &&
843 (!kvm_enabled() || kvm_has_sync_mmu())) {
Andreas Färbere78815a2010-09-25 11:26:05 +0000844 qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED);
Blue Swirlad960902010-03-29 19:23:52 +0000845 }
846#endif
847 } else if (flags & RAM_SAVE_FLAG_PAGE) {
Alex Williamson97ab12d2010-06-25 11:09:50 -0600848 void *host;
849
Avi Kivityf09f2182011-12-21 13:37:56 +0200850 host = host_from_stream_offset(f, addr, flags);
Orit Wasserman0ff1f9f2012-06-19 11:51:37 +0300851 if (!host) {
852 return -EINVAL;
853 }
Alex Williamson97ab12d2010-06-25 11:09:50 -0600854
Alex Williamson97ab12d2010-06-25 11:09:50 -0600855 qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300856 } else if (flags & RAM_SAVE_FLAG_XBZRLE) {
857 if (!migrate_use_xbzrle()) {
858 return -EINVAL;
859 }
860 void *host = host_from_stream_offset(f, addr, flags);
861 if (!host) {
862 return -EINVAL;
863 }
864
865 if (load_xbzrle(f, addr, host) < 0) {
866 ret = -EINVAL;
867 goto done;
868 }
Blue Swirlad960902010-03-29 19:23:52 +0000869 }
Juan Quintela42802d42011-10-05 01:14:46 +0200870 error = qemu_file_get_error(f);
871 if (error) {
Orit Wasserman3a697f62012-06-19 18:43:15 +0300872 ret = error;
873 goto done;
Blue Swirlad960902010-03-29 19:23:52 +0000874 }
875 } while (!(flags & RAM_SAVE_FLAG_EOS));
876
Orit Wasserman3a697f62012-06-19 18:43:15 +0300877done:
Igor Mitsyankoef37a692012-09-05 13:04:56 +0400878 DPRINTF("Completed load of VM with exit code %d seq iteration "
879 "%" PRIu64 "\n", ret, seq_iter);
Orit Wasserman3a697f62012-06-19 18:43:15 +0300880 return ret;
Blue Swirlad960902010-03-29 19:23:52 +0000881}
882
Juan Quintela7908c782012-06-26 18:46:10 +0200883SaveVMHandlers savevm_ram_handlers = {
Juan Quintelad1315aa2012-06-28 15:11:57 +0200884 .save_live_setup = ram_save_setup,
Juan Quintela16310a32012-06-28 15:31:37 +0200885 .save_live_iterate = ram_save_iterate,
886 .save_live_complete = ram_save_complete,
Juan Quintela7908c782012-06-26 18:46:10 +0200887 .load_state = ram_load,
Juan Quintela9b5bfab2012-06-26 19:26:41 +0200888 .cancel = ram_migration_cancel,
Juan Quintela7908c782012-06-26 18:46:10 +0200889};
890
Blue Swirlad960902010-03-29 19:23:52 +0000891#ifdef HAS_AUDIO
Isaku Yamahata0dfa5ef2011-01-21 19:53:45 +0900892struct soundhw {
893 const char *name;
894 const char *descr;
895 int enabled;
896 int isa;
897 union {
Hervé Poussineau4a0f0312011-12-15 22:10:01 +0100898 int (*init_isa) (ISABus *bus);
Isaku Yamahata0dfa5ef2011-01-21 19:53:45 +0900899 int (*init_pci) (PCIBus *bus);
900 } init;
901};
902
903static struct soundhw soundhw[] = {
Blue Swirlad960902010-03-29 19:23:52 +0000904#ifdef HAS_AUDIO_CHOICE
Hervé Poussineauda128722012-04-14 22:51:33 +0200905#ifdef CONFIG_PCSPK
Blue Swirlad960902010-03-29 19:23:52 +0000906 {
907 "pcspk",
908 "PC speaker",
909 0,
910 1,
911 { .init_isa = pcspk_audio_init }
912 },
913#endif
914
915#ifdef CONFIG_SB16
916 {
917 "sb16",
918 "Creative Sound Blaster 16",
919 0,
920 1,
921 { .init_isa = SB16_init }
922 },
923#endif
924
925#ifdef CONFIG_CS4231A
926 {
927 "cs4231a",
928 "CS4231A",
929 0,
930 1,
931 { .init_isa = cs4231a_init }
932 },
933#endif
934
935#ifdef CONFIG_ADLIB
936 {
937 "adlib",
938#ifdef HAS_YMF262
939 "Yamaha YMF262 (OPL3)",
940#else
941 "Yamaha YM3812 (OPL2)",
942#endif
943 0,
944 1,
945 { .init_isa = Adlib_init }
946 },
947#endif
948
949#ifdef CONFIG_GUS
950 {
951 "gus",
952 "Gravis Ultrasound GF1",
953 0,
954 1,
955 { .init_isa = GUS_init }
956 },
957#endif
958
959#ifdef CONFIG_AC97
960 {
961 "ac97",
962 "Intel 82801AA AC97 Audio",
963 0,
964 0,
965 { .init_pci = ac97_init }
966 },
967#endif
968
969#ifdef CONFIG_ES1370
970 {
971 "es1370",
972 "ENSONIQ AudioPCI ES1370",
973 0,
974 0,
975 { .init_pci = es1370_init }
976 },
977#endif
978
Gerd Hoffmannd61a4ce2010-11-01 13:05:32 +0100979#ifdef CONFIG_HDA
980 {
981 "hda",
982 "Intel HD Audio",
983 0,
984 0,
985 { .init_pci = intel_hda_and_codec_init }
986 },
987#endif
988
Blue Swirlad960902010-03-29 19:23:52 +0000989#endif /* HAS_AUDIO_CHOICE */
990
991 { NULL, NULL, 0, 0, { NULL } }
992};
993
994void select_soundhw(const char *optarg)
995{
996 struct soundhw *c;
997
Peter Maydellc8057f92012-08-02 13:45:54 +0100998 if (is_help_option(optarg)) {
Blue Swirlad960902010-03-29 19:23:52 +0000999 show_valid_cards:
1000
Peter Maydell55d4fd32012-09-19 14:51:38 +01001001#ifdef HAS_AUDIO_CHOICE
Blue Swirlad960902010-03-29 19:23:52 +00001002 printf("Valid sound card names (comma separated):\n");
1003 for (c = soundhw; c->name; ++c) {
1004 printf ("%-11s %s\n", c->name, c->descr);
1005 }
1006 printf("\n-soundhw all will enable all of the above\n");
Peter Maydell55d4fd32012-09-19 14:51:38 +01001007#else
1008 printf("Machine has no user-selectable audio hardware "
1009 "(it may or may not have always-present audio hardware).\n");
1010#endif
Peter Maydellc8057f92012-08-02 13:45:54 +01001011 exit(!is_help_option(optarg));
Blue Swirlad960902010-03-29 19:23:52 +00001012 }
1013 else {
1014 size_t l;
1015 const char *p;
1016 char *e;
1017 int bad_card = 0;
1018
1019 if (!strcmp(optarg, "all")) {
1020 for (c = soundhw; c->name; ++c) {
1021 c->enabled = 1;
1022 }
1023 return;
1024 }
1025
1026 p = optarg;
1027 while (*p) {
1028 e = strchr(p, ',');
1029 l = !e ? strlen(p) : (size_t) (e - p);
1030
1031 for (c = soundhw; c->name; ++c) {
1032 if (!strncmp(c->name, p, l) && !c->name[l]) {
1033 c->enabled = 1;
1034 break;
1035 }
1036 }
1037
1038 if (!c->name) {
1039 if (l > 80) {
1040 fprintf(stderr,
1041 "Unknown sound card name (too big to show)\n");
1042 }
1043 else {
1044 fprintf(stderr, "Unknown sound card name `%.*s'\n",
1045 (int) l, p);
1046 }
1047 bad_card = 1;
1048 }
1049 p += l + (e != NULL);
1050 }
1051
1052 if (bad_card) {
1053 goto show_valid_cards;
1054 }
1055 }
1056}
Isaku Yamahata0dfa5ef2011-01-21 19:53:45 +09001057
Hervé Poussineau4a0f0312011-12-15 22:10:01 +01001058void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
Isaku Yamahata0dfa5ef2011-01-21 19:53:45 +09001059{
1060 struct soundhw *c;
1061
1062 for (c = soundhw; c->name; ++c) {
1063 if (c->enabled) {
1064 if (c->isa) {
Hervé Poussineau4a0f0312011-12-15 22:10:01 +01001065 if (isa_bus) {
1066 c->init.init_isa(isa_bus);
Isaku Yamahata0dfa5ef2011-01-21 19:53:45 +09001067 }
1068 } else {
1069 if (pci_bus) {
1070 c->init.init_pci(pci_bus);
1071 }
1072 }
1073 }
1074 }
1075}
Blue Swirlad960902010-03-29 19:23:52 +00001076#else
1077void select_soundhw(const char *optarg)
1078{
1079}
Hervé Poussineau4a0f0312011-12-15 22:10:01 +01001080void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
Isaku Yamahata0dfa5ef2011-01-21 19:53:45 +09001081{
1082}
Blue Swirlad960902010-03-29 19:23:52 +00001083#endif
1084
1085int qemu_uuid_parse(const char *str, uint8_t *uuid)
1086{
1087 int ret;
1088
1089 if (strlen(str) != 36) {
1090 return -1;
1091 }
1092
1093 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
1094 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
1095 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
1096 &uuid[15]);
1097
1098 if (ret != 16) {
1099 return -1;
1100 }
1101#ifdef TARGET_I386
1102 smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
1103#endif
1104 return 0;
1105}
1106
1107void do_acpitable_option(const char *optarg)
1108{
1109#ifdef TARGET_I386
1110 if (acpi_table_add(optarg) < 0) {
1111 fprintf(stderr, "Wrong acpi table provided\n");
1112 exit(1);
1113 }
1114#endif
1115}
1116
1117void do_smbios_option(const char *optarg)
1118{
1119#ifdef TARGET_I386
1120 if (smbios_entry_add(optarg) < 0) {
1121 fprintf(stderr, "Wrong smbios provided\n");
1122 exit(1);
1123 }
1124#endif
1125}
1126
1127void cpudef_init(void)
1128{
1129#if defined(cpudef_setup)
1130 cpudef_setup(); /* parse cpu definitions in target config file */
1131#endif
1132}
1133
1134int audio_available(void)
1135{
1136#ifdef HAS_AUDIO
1137 return 1;
1138#else
1139 return 0;
1140#endif
1141}
1142
Anthony PERARD303d4e82010-09-21 20:05:31 +01001143int tcg_available(void)
1144{
1145 return 1;
1146}
1147
Blue Swirlad960902010-03-29 19:23:52 +00001148int kvm_available(void)
1149{
1150#ifdef CONFIG_KVM
1151 return 1;
1152#else
1153 return 0;
1154#endif
1155}
1156
1157int xen_available(void)
1158{
1159#ifdef CONFIG_XEN
1160 return 1;
1161#else
1162 return 0;
1163#endif
1164}
Daniel P. Berrange99afc912012-08-20 15:31:38 +01001165
1166
1167TargetInfo *qmp_query_target(Error **errp)
1168{
1169 TargetInfo *info = g_malloc0(sizeof(*info));
1170
1171 info->arch = TARGET_TYPE;
1172
1173 return info;
1174}