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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"
Paolo Bonzini83c90892012-12-17 18:19:49 +010032#include "monitor/monitor.h"
Paolo Bonzini9c17d612012-12-17 18:20:04 +010033#include "sysemu/sysemu.h"
Paolo Bonzini1de7afc2012-12-17 18:20:00 +010034#include "qemu/bitops.h"
35#include "qemu/bitmap.h"
Paolo Bonzini9c17d612012-12-17 18:20:04 +010036#include "sysemu/arch_init.h"
Blue Swirlad960902010-03-29 19:23:52 +000037#include "audio/audio.h"
38#include "hw/pc.h"
Michael S. Tsirkina2cb15b2012-12-12 14:24:50 +020039#include "hw/pci/pci.h"
Blue Swirlad960902010-03-29 19:23:52 +000040#include "hw/audiodev.h"
Paolo Bonzini9c17d612012-12-17 18:20:04 +010041#include "sysemu/kvm.h"
Paolo Bonzinicaf71f82012-12-17 18:19:50 +010042#include "migration/migration.h"
Paolo Bonzini022c62c2012-12-17 18:19:49 +010043#include "exec/gdbstub.h"
Blue Swirlad960902010-03-29 19:23:52 +000044#include "hw/smbios.h"
Paolo Bonzini022c62c2012-12-17 18:19:49 +010045#include "exec/address-spaces.h"
Jan Kiszka302fe512012-02-17 11:24:34 +010046#include "hw/pcspk.h"
Paolo Bonzinicaf71f82012-12-17 18:19:50 +010047#include "migration/page_cache.h"
Paolo Bonzini1de7afc2012-12-17 18:20:00 +010048#include "qemu/config-file.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{
Paolo Bonzini244eaa72012-12-12 12:54:43 +0100538 if (migration_bitmap) {
539 memory_global_dirty_log_stop();
540 g_free(migration_bitmap);
541 migration_bitmap = NULL;
542 }
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300543
Paolo Bonzini244eaa72012-12-12 12:54:43 +0100544 if (XBZRLE.cache) {
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300545 cache_fini(XBZRLE.cache);
546 g_free(XBZRLE.cache);
547 g_free(XBZRLE.encoded_buf);
548 g_free(XBZRLE.current_buf);
549 g_free(XBZRLE.decoded_buf);
550 XBZRLE.cache = NULL;
551 }
Orit Wasserman8e21cd32012-06-19 18:43:17 +0300552}
553
Juan Quintela9b5bfab2012-06-26 19:26:41 +0200554static void ram_migration_cancel(void *opaque)
555{
556 migration_end();
557}
558
Juan Quintela5a170772012-07-17 17:02:24 +0200559
560static void reset_ram_globals(void)
561{
562 last_block = NULL;
563 last_offset = 0;
564 sort_ram_list();
565}
566
Juan Quintela4508bd92012-05-22 16:27:59 +0200567#define MAX_WAIT 50 /* ms, half buffered_file limit */
568
Juan Quintelad1315aa2012-06-28 15:11:57 +0200569static int ram_save_setup(QEMUFile *f, void *opaque)
Blue Swirlad960902010-03-29 19:23:52 +0000570{
Juan Quintelad1315aa2012-06-28 15:11:57 +0200571 RAMBlock *block;
Juan Quintelac6bf8e02012-07-20 12:33:00 +0200572 int64_t ram_pages = last_ram_offset() >> TARGET_PAGE_BITS;
573
574 migration_bitmap = bitmap_new(ram_pages);
David Gibson7ec81e52012-12-04 11:38:38 +1100575 bitmap_set(migration_bitmap, 0, ram_pages);
Juan Quintelac6bf8e02012-07-20 12:33:00 +0200576 migration_dirty_pages = ram_pages;
Blue Swirlad960902010-03-29 19:23:52 +0000577
Juan Quintelad1315aa2012-06-28 15:11:57 +0200578 bytes_transferred = 0;
Juan Quintela5a170772012-07-17 17:02:24 +0200579 reset_ram_globals();
Blue Swirlad960902010-03-29 19:23:52 +0000580
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300581 if (migrate_use_xbzrle()) {
582 XBZRLE.cache = cache_init(migrate_xbzrle_cache_size() /
583 TARGET_PAGE_SIZE,
584 TARGET_PAGE_SIZE);
585 if (!XBZRLE.cache) {
586 DPRINTF("Error creating cache\n");
587 return -1;
588 }
589 XBZRLE.encoded_buf = g_malloc0(TARGET_PAGE_SIZE);
590 XBZRLE.current_buf = g_malloc(TARGET_PAGE_SIZE);
Orit Wasserman004d4c12012-08-06 21:42:56 +0300591 acct_clear();
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300592 }
593
Juan Quintelad1315aa2012-06-28 15:11:57 +0200594 memory_global_dirty_log_start();
Juan Quintelac6bf8e02012-07-20 12:33:00 +0200595 migration_bitmap_sync();
Juan Quintelad1315aa2012-06-28 15:11:57 +0200596
597 qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE);
598
599 QLIST_FOREACH(block, &ram_list.blocks, next) {
600 qemu_put_byte(f, strlen(block->idstr));
601 qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
602 qemu_put_be64(f, block->length);
603 }
604
Juan Quintelad1315aa2012-06-28 15:11:57 +0200605 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
606
607 return 0;
608}
609
Juan Quintela16310a32012-06-28 15:31:37 +0200610static int ram_save_iterate(QEMUFile *f, void *opaque)
Juan Quintelad1315aa2012-06-28 15:11:57 +0200611{
Alex Williamson97ab12d2010-06-25 11:09:50 -0600612 uint64_t bytes_transferred_last;
613 double bwidth = 0;
Blue Swirlad960902010-03-29 19:23:52 +0000614 int ret;
615 int i;
Juan Quintelac00012f2012-08-13 09:36:36 +0200616 uint64_t expected_downtime;
Juan Quintela2c52ddf2012-08-13 09:53:12 +0200617 MigrationState *s = migrate_get_current();
Blue Swirlad960902010-03-29 19:23:52 +0000618
619 bytes_transferred_last = bytes_transferred;
620 bwidth = qemu_get_clock_ns(rt_clock);
621
Juan Quintela4508bd92012-05-22 16:27:59 +0200622 i = 0;
Juan Quintela29757252011-10-19 15:22:18 +0200623 while ((ret = qemu_file_rate_limit(f)) == 0) {
Pierre Riteau3fc250b2010-05-12 15:12:44 +0200624 int bytes_sent;
Blue Swirlad960902010-03-29 19:23:52 +0000625
Juan Quinteladd051c72012-08-06 21:42:58 +0300626 bytes_sent = ram_save_block(f, false);
Orit Wasserman6c779f22012-07-10 12:37:13 +0300627 /* no more blocks to sent */
628 if (bytes_sent < 0) {
Blue Swirlad960902010-03-29 19:23:52 +0000629 break;
630 }
Orit Wasserman6c779f22012-07-10 12:37:13 +0300631 bytes_transferred += bytes_sent;
Orit Wasserman004d4c12012-08-06 21:42:56 +0300632 acct_info.iterations++;
Juan Quintela4508bd92012-05-22 16:27:59 +0200633 /* we want to check in the 1st loop, just in case it was the 1st time
634 and we had to sync the dirty bitmap.
635 qemu_get_clock_ns() is a bit expensive, so we only check each some
636 iterations
637 */
638 if ((i & 63) == 0) {
639 uint64_t t1 = (qemu_get_clock_ns(rt_clock) - bwidth) / 1000000;
640 if (t1 > MAX_WAIT) {
Igor Mitsyankoef37a692012-09-05 13:04:56 +0400641 DPRINTF("big wait: %" PRIu64 " milliseconds, %d iterations\n",
Juan Quintela4508bd92012-05-22 16:27:59 +0200642 t1, i);
643 break;
644 }
645 }
646 i++;
Blue Swirlad960902010-03-29 19:23:52 +0000647 }
648
Juan Quintela29757252011-10-19 15:22:18 +0200649 if (ret < 0) {
650 return ret;
651 }
652
Blue Swirlad960902010-03-29 19:23:52 +0000653 bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
654 bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
655
Juan Quintelac00012f2012-08-13 09:36:36 +0200656 /* if we haven't transferred anything this round, force
657 * expected_downtime to a very high value, but without
658 * crashing */
Blue Swirlad960902010-03-29 19:23:52 +0000659 if (bwidth == 0) {
660 bwidth = 0.000001;
661 }
662
Blue Swirlad960902010-03-29 19:23:52 +0000663 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
664
Juan Quintelac00012f2012-08-13 09:36:36 +0200665 expected_downtime = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
666 DPRINTF("ram_save_live: expected(%" PRIu64 ") <= max(" PRIu64 ")?\n",
667 expected_downtime, migrate_max_downtime());
Blue Swirlad960902010-03-29 19:23:52 +0000668
Juan Quintelac00012f2012-08-13 09:36:36 +0200669 if (expected_downtime <= migrate_max_downtime()) {
Juan Quinteladd2df732012-07-20 10:52:51 +0200670 migration_bitmap_sync();
Juan Quintelac00012f2012-08-13 09:36:36 +0200671 expected_downtime = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
Juan Quintela2c52ddf2012-08-13 09:53:12 +0200672 s->expected_downtime = expected_downtime / 1000000; /* ns -> ms */
Orit Wasserman3a697f62012-06-19 18:43:15 +0300673
Juan Quintelac00012f2012-08-13 09:36:36 +0200674 return expected_downtime <= migrate_max_downtime();
Juan Quintela5b3c9632012-05-22 00:44:24 +0200675 }
676 return 0;
Blue Swirlad960902010-03-29 19:23:52 +0000677}
678
Juan Quintela16310a32012-06-28 15:31:37 +0200679static int ram_save_complete(QEMUFile *f, void *opaque)
680{
Juan Quinteladd2df732012-07-20 10:52:51 +0200681 migration_bitmap_sync();
Juan Quintela16310a32012-06-28 15:31:37 +0200682
Juan Quintela16310a32012-06-28 15:31:37 +0200683 /* try transferring iterative blocks of memory */
684
685 /* flush all remaining blocks regardless of rate limiting */
Orit Wasserman6c779f22012-07-10 12:37:13 +0300686 while (true) {
687 int bytes_sent;
688
Juan Quinteladd051c72012-08-06 21:42:58 +0300689 bytes_sent = ram_save_block(f, true);
Orit Wasserman6c779f22012-07-10 12:37:13 +0300690 /* no more blocks to sent */
691 if (bytes_sent < 0) {
692 break;
693 }
Juan Quintela16310a32012-06-28 15:31:37 +0200694 bytes_transferred += bytes_sent;
695 }
Paolo Bonzini244eaa72012-12-12 12:54:43 +0100696 migration_end();
Juan Quintela16310a32012-06-28 15:31:37 +0200697
Blue Swirlad960902010-03-29 19:23:52 +0000698 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
699
Alex Williamsona55bbe32010-06-25 11:10:05 -0600700 return 0;
701}
702
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300703static int load_xbzrle(QEMUFile *f, ram_addr_t addr, void *host)
704{
705 int ret, rc = 0;
706 unsigned int xh_len;
707 int xh_flags;
708
709 if (!XBZRLE.decoded_buf) {
710 XBZRLE.decoded_buf = g_malloc(TARGET_PAGE_SIZE);
711 }
712
713 /* extract RLE header */
714 xh_flags = qemu_get_byte(f);
715 xh_len = qemu_get_be16(f);
716
717 if (xh_flags != ENCODING_FLAG_XBZRLE) {
718 fprintf(stderr, "Failed to load XBZRLE page - wrong compression!\n");
719 return -1;
720 }
721
722 if (xh_len > TARGET_PAGE_SIZE) {
723 fprintf(stderr, "Failed to load XBZRLE page - len overflow!\n");
724 return -1;
725 }
726 /* load data and decode */
727 qemu_get_buffer(f, XBZRLE.decoded_buf, xh_len);
728
729 /* decode RLE */
730 ret = xbzrle_decode_buffer(XBZRLE.decoded_buf, xh_len, host,
731 TARGET_PAGE_SIZE);
732 if (ret == -1) {
733 fprintf(stderr, "Failed to load XBZRLE page - decode error!\n");
734 rc = -1;
735 } else if (ret > TARGET_PAGE_SIZE) {
736 fprintf(stderr, "Failed to load XBZRLE page - size %d exceeds %d!\n",
737 ret, TARGET_PAGE_SIZE);
738 abort();
739 }
740
741 return rc;
742}
743
Alex Williamsona55bbe32010-06-25 11:10:05 -0600744static inline void *host_from_stream_offset(QEMUFile *f,
745 ram_addr_t offset,
746 int flags)
747{
748 static RAMBlock *block = NULL;
749 char id[256];
750 uint8_t len;
751
752 if (flags & RAM_SAVE_FLAG_CONTINUE) {
753 if (!block) {
754 fprintf(stderr, "Ack, bad migration stream!\n");
755 return NULL;
756 }
757
Avi Kivitydc94a7e2011-12-21 13:54:33 +0200758 return memory_region_get_ram_ptr(block->mr) + offset;
Alex Williamsona55bbe32010-06-25 11:10:05 -0600759 }
760
761 len = qemu_get_byte(f);
762 qemu_get_buffer(f, (uint8_t *)id, len);
763 id[len] = 0;
764
765 QLIST_FOREACH(block, &ram_list.blocks, next) {
766 if (!strncmp(id, block->idstr, sizeof(id)))
Avi Kivitydc94a7e2011-12-21 13:54:33 +0200767 return memory_region_get_ram_ptr(block->mr) + offset;
Alex Williamsona55bbe32010-06-25 11:10:05 -0600768 }
769
770 fprintf(stderr, "Can't find block %s!\n", id);
771 return NULL;
772}
773
Juan Quintela7908c782012-06-26 18:46:10 +0200774static int ram_load(QEMUFile *f, void *opaque, int version_id)
Blue Swirlad960902010-03-29 19:23:52 +0000775{
776 ram_addr_t addr;
Orit Wasserman3a697f62012-06-19 18:43:15 +0300777 int flags, ret = 0;
Juan Quintela42802d42011-10-05 01:14:46 +0200778 int error;
Orit Wasserman3a697f62012-06-19 18:43:15 +0300779 static uint64_t seq_iter;
780
781 seq_iter++;
Blue Swirlad960902010-03-29 19:23:52 +0000782
Avi Kivityf09f2182011-12-21 13:37:56 +0200783 if (version_id < 4 || version_id > 4) {
Blue Swirlad960902010-03-29 19:23:52 +0000784 return -EINVAL;
785 }
786
787 do {
788 addr = qemu_get_be64(f);
789
790 flags = addr & ~TARGET_PAGE_MASK;
791 addr &= TARGET_PAGE_MASK;
792
793 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
Avi Kivityf09f2182011-12-21 13:37:56 +0200794 if (version_id == 4) {
Alex Williamson97ab12d2010-06-25 11:09:50 -0600795 /* Synchronize RAM block list */
796 char id[256];
797 ram_addr_t length;
798 ram_addr_t total_ram_bytes = addr;
799
800 while (total_ram_bytes) {
801 RAMBlock *block;
802 uint8_t len;
803
804 len = qemu_get_byte(f);
805 qemu_get_buffer(f, (uint8_t *)id, len);
806 id[len] = 0;
807 length = qemu_get_be64(f);
808
809 QLIST_FOREACH(block, &ram_list.blocks, next) {
810 if (!strncmp(id, block->idstr, sizeof(id))) {
Orit Wasserman3a697f62012-06-19 18:43:15 +0300811 if (block->length != length) {
812 ret = -EINVAL;
813 goto done;
814 }
Alex Williamson97ab12d2010-06-25 11:09:50 -0600815 break;
816 }
817 }
818
819 if (!block) {
Alex Williamsonfb787f82010-07-02 11:13:29 -0600820 fprintf(stderr, "Unknown ramblock \"%s\", cannot "
821 "accept migration\n", id);
Orit Wasserman3a697f62012-06-19 18:43:15 +0300822 ret = -EINVAL;
823 goto done;
Alex Williamson97ab12d2010-06-25 11:09:50 -0600824 }
825
826 total_ram_bytes -= length;
827 }
Blue Swirlad960902010-03-29 19:23:52 +0000828 }
829 }
830
831 if (flags & RAM_SAVE_FLAG_COMPRESS) {
Alex Williamson97ab12d2010-06-25 11:09:50 -0600832 void *host;
833 uint8_t ch;
834
Avi Kivityf09f2182011-12-21 13:37:56 +0200835 host = host_from_stream_offset(f, addr, flags);
Michael S. Tsirkin492fb992010-10-17 20:43:40 +0200836 if (!host) {
837 return -EINVAL;
838 }
Alex Williamson97ab12d2010-06-25 11:09:50 -0600839
Alex Williamson97ab12d2010-06-25 11:09:50 -0600840 ch = qemu_get_byte(f);
841 memset(host, ch, TARGET_PAGE_SIZE);
Blue Swirlad960902010-03-29 19:23:52 +0000842#ifndef _WIN32
843 if (ch == 0 &&
David Gibson45e6cee2012-12-04 11:38:39 +1100844 (!kvm_enabled() || kvm_has_sync_mmu()) &&
845 getpagesize() <= TARGET_PAGE_SIZE) {
Andreas Färbere78815a2010-09-25 11:26:05 +0000846 qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED);
Blue Swirlad960902010-03-29 19:23:52 +0000847 }
848#endif
849 } else if (flags & RAM_SAVE_FLAG_PAGE) {
Alex Williamson97ab12d2010-06-25 11:09:50 -0600850 void *host;
851
Avi Kivityf09f2182011-12-21 13:37:56 +0200852 host = host_from_stream_offset(f, addr, flags);
Orit Wasserman0ff1f9f2012-06-19 11:51:37 +0300853 if (!host) {
854 return -EINVAL;
855 }
Alex Williamson97ab12d2010-06-25 11:09:50 -0600856
Alex Williamson97ab12d2010-06-25 11:09:50 -0600857 qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
Orit Wasserman17ad9b32012-08-06 21:42:53 +0300858 } else if (flags & RAM_SAVE_FLAG_XBZRLE) {
859 if (!migrate_use_xbzrle()) {
860 return -EINVAL;
861 }
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 }
Blue Swirlad960902010-03-29 19:23:52 +0000871 }
Juan Quintela42802d42011-10-05 01:14:46 +0200872 error = qemu_file_get_error(f);
873 if (error) {
Orit Wasserman3a697f62012-06-19 18:43:15 +0300874 ret = error;
875 goto done;
Blue Swirlad960902010-03-29 19:23:52 +0000876 }
877 } while (!(flags & RAM_SAVE_FLAG_EOS));
878
Orit Wasserman3a697f62012-06-19 18:43:15 +0300879done:
Igor Mitsyankoef37a692012-09-05 13:04:56 +0400880 DPRINTF("Completed load of VM with exit code %d seq iteration "
881 "%" PRIu64 "\n", ret, seq_iter);
Orit Wasserman3a697f62012-06-19 18:43:15 +0300882 return ret;
Blue Swirlad960902010-03-29 19:23:52 +0000883}
884
Juan Quintela7908c782012-06-26 18:46:10 +0200885SaveVMHandlers savevm_ram_handlers = {
Juan Quintelad1315aa2012-06-28 15:11:57 +0200886 .save_live_setup = ram_save_setup,
Juan Quintela16310a32012-06-28 15:31:37 +0200887 .save_live_iterate = ram_save_iterate,
888 .save_live_complete = ram_save_complete,
Juan Quintela7908c782012-06-26 18:46:10 +0200889 .load_state = ram_load,
Juan Quintela9b5bfab2012-06-26 19:26:41 +0200890 .cancel = ram_migration_cancel,
Juan Quintela7908c782012-06-26 18:46:10 +0200891};
892
Blue Swirlad960902010-03-29 19:23:52 +0000893#ifdef HAS_AUDIO
Isaku Yamahata0dfa5ef2011-01-21 19:53:45 +0900894struct soundhw {
895 const char *name;
896 const char *descr;
897 int enabled;
898 int isa;
899 union {
Hervé Poussineau4a0f0312011-12-15 22:10:01 +0100900 int (*init_isa) (ISABus *bus);
Isaku Yamahata0dfa5ef2011-01-21 19:53:45 +0900901 int (*init_pci) (PCIBus *bus);
902 } init;
903};
904
905static struct soundhw soundhw[] = {
Blue Swirlad960902010-03-29 19:23:52 +0000906#ifdef HAS_AUDIO_CHOICE
Hervé Poussineauda128722012-04-14 22:51:33 +0200907#ifdef CONFIG_PCSPK
Blue Swirlad960902010-03-29 19:23:52 +0000908 {
909 "pcspk",
910 "PC speaker",
911 0,
912 1,
913 { .init_isa = pcspk_audio_init }
914 },
915#endif
916
917#ifdef CONFIG_SB16
918 {
919 "sb16",
920 "Creative Sound Blaster 16",
921 0,
922 1,
923 { .init_isa = SB16_init }
924 },
925#endif
926
927#ifdef CONFIG_CS4231A
928 {
929 "cs4231a",
930 "CS4231A",
931 0,
932 1,
933 { .init_isa = cs4231a_init }
934 },
935#endif
936
937#ifdef CONFIG_ADLIB
938 {
939 "adlib",
940#ifdef HAS_YMF262
941 "Yamaha YMF262 (OPL3)",
942#else
943 "Yamaha YM3812 (OPL2)",
944#endif
945 0,
946 1,
947 { .init_isa = Adlib_init }
948 },
949#endif
950
951#ifdef CONFIG_GUS
952 {
953 "gus",
954 "Gravis Ultrasound GF1",
955 0,
956 1,
957 { .init_isa = GUS_init }
958 },
959#endif
960
961#ifdef CONFIG_AC97
962 {
963 "ac97",
964 "Intel 82801AA AC97 Audio",
965 0,
966 0,
967 { .init_pci = ac97_init }
968 },
969#endif
970
971#ifdef CONFIG_ES1370
972 {
973 "es1370",
974 "ENSONIQ AudioPCI ES1370",
975 0,
976 0,
977 { .init_pci = es1370_init }
978 },
979#endif
980
Gerd Hoffmannd61a4ce2010-11-01 13:05:32 +0100981#ifdef CONFIG_HDA
982 {
983 "hda",
984 "Intel HD Audio",
985 0,
986 0,
987 { .init_pci = intel_hda_and_codec_init }
988 },
989#endif
990
Blue Swirlad960902010-03-29 19:23:52 +0000991#endif /* HAS_AUDIO_CHOICE */
992
993 { NULL, NULL, 0, 0, { NULL } }
994};
995
996void select_soundhw(const char *optarg)
997{
998 struct soundhw *c;
999
Peter Maydellc8057f92012-08-02 13:45:54 +01001000 if (is_help_option(optarg)) {
Blue Swirlad960902010-03-29 19:23:52 +00001001 show_valid_cards:
1002
Peter Maydell55d4fd32012-09-19 14:51:38 +01001003#ifdef HAS_AUDIO_CHOICE
Blue Swirlad960902010-03-29 19:23:52 +00001004 printf("Valid sound card names (comma separated):\n");
1005 for (c = soundhw; c->name; ++c) {
1006 printf ("%-11s %s\n", c->name, c->descr);
1007 }
1008 printf("\n-soundhw all will enable all of the above\n");
Peter Maydell55d4fd32012-09-19 14:51:38 +01001009#else
1010 printf("Machine has no user-selectable audio hardware "
1011 "(it may or may not have always-present audio hardware).\n");
1012#endif
Peter Maydellc8057f92012-08-02 13:45:54 +01001013 exit(!is_help_option(optarg));
Blue Swirlad960902010-03-29 19:23:52 +00001014 }
1015 else {
1016 size_t l;
1017 const char *p;
1018 char *e;
1019 int bad_card = 0;
1020
1021 if (!strcmp(optarg, "all")) {
1022 for (c = soundhw; c->name; ++c) {
1023 c->enabled = 1;
1024 }
1025 return;
1026 }
1027
1028 p = optarg;
1029 while (*p) {
1030 e = strchr(p, ',');
1031 l = !e ? strlen(p) : (size_t) (e - p);
1032
1033 for (c = soundhw; c->name; ++c) {
1034 if (!strncmp(c->name, p, l) && !c->name[l]) {
1035 c->enabled = 1;
1036 break;
1037 }
1038 }
1039
1040 if (!c->name) {
1041 if (l > 80) {
1042 fprintf(stderr,
1043 "Unknown sound card name (too big to show)\n");
1044 }
1045 else {
1046 fprintf(stderr, "Unknown sound card name `%.*s'\n",
1047 (int) l, p);
1048 }
1049 bad_card = 1;
1050 }
1051 p += l + (e != NULL);
1052 }
1053
1054 if (bad_card) {
1055 goto show_valid_cards;
1056 }
1057 }
1058}
Isaku Yamahata0dfa5ef2011-01-21 19:53:45 +09001059
Hervé Poussineau4a0f0312011-12-15 22:10:01 +01001060void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
Isaku Yamahata0dfa5ef2011-01-21 19:53:45 +09001061{
1062 struct soundhw *c;
1063
1064 for (c = soundhw; c->name; ++c) {
1065 if (c->enabled) {
1066 if (c->isa) {
Hervé Poussineau4a0f0312011-12-15 22:10:01 +01001067 if (isa_bus) {
1068 c->init.init_isa(isa_bus);
Isaku Yamahata0dfa5ef2011-01-21 19:53:45 +09001069 }
1070 } else {
1071 if (pci_bus) {
1072 c->init.init_pci(pci_bus);
1073 }
1074 }
1075 }
1076 }
1077}
Blue Swirlad960902010-03-29 19:23:52 +00001078#else
1079void select_soundhw(const char *optarg)
1080{
1081}
Hervé Poussineau4a0f0312011-12-15 22:10:01 +01001082void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
Isaku Yamahata0dfa5ef2011-01-21 19:53:45 +09001083{
1084}
Blue Swirlad960902010-03-29 19:23:52 +00001085#endif
1086
1087int qemu_uuid_parse(const char *str, uint8_t *uuid)
1088{
1089 int ret;
1090
1091 if (strlen(str) != 36) {
1092 return -1;
1093 }
1094
1095 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
1096 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
1097 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
1098 &uuid[15]);
1099
1100 if (ret != 16) {
1101 return -1;
1102 }
1103#ifdef TARGET_I386
1104 smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
1105#endif
1106 return 0;
1107}
1108
1109void do_acpitable_option(const char *optarg)
1110{
1111#ifdef TARGET_I386
1112 if (acpi_table_add(optarg) < 0) {
1113 fprintf(stderr, "Wrong acpi table provided\n");
1114 exit(1);
1115 }
1116#endif
1117}
1118
1119void do_smbios_option(const char *optarg)
1120{
1121#ifdef TARGET_I386
1122 if (smbios_entry_add(optarg) < 0) {
1123 fprintf(stderr, "Wrong smbios provided\n");
1124 exit(1);
1125 }
1126#endif
1127}
1128
1129void cpudef_init(void)
1130{
1131#if defined(cpudef_setup)
1132 cpudef_setup(); /* parse cpu definitions in target config file */
1133#endif
1134}
1135
1136int audio_available(void)
1137{
1138#ifdef HAS_AUDIO
1139 return 1;
1140#else
1141 return 0;
1142#endif
1143}
1144
Anthony PERARD303d4e82010-09-21 20:05:31 +01001145int tcg_available(void)
1146{
1147 return 1;
1148}
1149
Blue Swirlad960902010-03-29 19:23:52 +00001150int kvm_available(void)
1151{
1152#ifdef CONFIG_KVM
1153 return 1;
1154#else
1155 return 0;
1156#endif
1157}
1158
1159int xen_available(void)
1160{
1161#ifdef CONFIG_XEN
1162 return 1;
1163#else
1164 return 0;
1165#endif
1166}
Daniel P. Berrange99afc912012-08-20 15:31:38 +01001167
1168
1169TargetInfo *qmp_query_target(Error **errp)
1170{
1171 TargetInfo *info = g_malloc0(sizeof(*info));
1172
1173 info->arch = TARGET_TYPE;
1174
1175 return info;
1176}