Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 1 | /* |
| 2 | * QEMU System Emulator |
| 3 | * |
| 4 | * Copyright (c) 2003-2008 Fabrice Bellard |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | * THE SOFTWARE. |
| 23 | */ |
| 24 | #include <stdint.h> |
| 25 | #include <stdarg.h> |
Michael S. Tsirkin | b2e0a13 | 2010-11-22 19:52:34 +0200 | [diff] [blame] | 26 | #include <stdlib.h> |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 27 | #ifndef _WIN32 |
Blue Swirl | 1c47cb1 | 2010-03-30 19:27:34 +0000 | [diff] [blame] | 28 | #include <sys/types.h> |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 29 | #include <sys/mman.h> |
| 30 | #endif |
| 31 | #include "config.h" |
Paolo Bonzini | 83c9089 | 2012-12-17 18:19:49 +0100 | [diff] [blame] | 32 | #include "monitor/monitor.h" |
Paolo Bonzini | 9c17d61 | 2012-12-17 18:20:04 +0100 | [diff] [blame] | 33 | #include "sysemu/sysemu.h" |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 34 | #include "qemu/bitops.h" |
| 35 | #include "qemu/bitmap.h" |
Paolo Bonzini | 9c17d61 | 2012-12-17 18:20:04 +0100 | [diff] [blame] | 36 | #include "sysemu/arch_init.h" |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 37 | #include "audio/audio.h" |
| 38 | #include "hw/pc.h" |
Michael S. Tsirkin | a2cb15b | 2012-12-12 14:24:50 +0200 | [diff] [blame] | 39 | #include "hw/pci/pci.h" |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 40 | #include "hw/audiodev.h" |
Paolo Bonzini | 9c17d61 | 2012-12-17 18:20:04 +0100 | [diff] [blame] | 41 | #include "sysemu/kvm.h" |
Paolo Bonzini | caf71f8 | 2012-12-17 18:19:50 +0100 | [diff] [blame] | 42 | #include "migration/migration.h" |
Paolo Bonzini | 022c62c | 2012-12-17 18:19:49 +0100 | [diff] [blame] | 43 | #include "exec/gdbstub.h" |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 44 | #include "hw/smbios.h" |
Paolo Bonzini | 022c62c | 2012-12-17 18:19:49 +0100 | [diff] [blame] | 45 | #include "exec/address-spaces.h" |
Jan Kiszka | 302fe51 | 2012-02-17 11:24:34 +0100 | [diff] [blame] | 46 | #include "hw/pcspk.h" |
Paolo Bonzini | caf71f8 | 2012-12-17 18:19:50 +0100 | [diff] [blame] | 47 | #include "migration/page_cache.h" |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 48 | #include "qemu/config-file.h" |
Daniel P. Berrange | 99afc91 | 2012-08-20 15:31:38 +0100 | [diff] [blame] | 49 | #include "qmp-commands.h" |
Juan Quintela | 3c12193 | 2012-09-04 13:08:57 +0200 | [diff] [blame] | 50 | #include "trace.h" |
Paolo Bonzini | 0d6d3c8 | 2012-11-14 15:45:02 +0100 | [diff] [blame] | 51 | #include "exec/cpu-all.h" |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 52 | |
Orit Wasserman | 3a697f6 | 2012-06-19 18:43:15 +0300 | [diff] [blame] | 53 | #ifdef DEBUG_ARCH_INIT |
| 54 | #define DPRINTF(fmt, ...) \ |
| 55 | do { fprintf(stdout, "arch_init: " fmt, ## __VA_ARGS__); } while (0) |
| 56 | #else |
| 57 | #define DPRINTF(fmt, ...) \ |
| 58 | do { } while (0) |
| 59 | #endif |
| 60 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 61 | #ifdef TARGET_SPARC |
| 62 | int graphic_width = 1024; |
| 63 | int graphic_height = 768; |
| 64 | int graphic_depth = 8; |
| 65 | #else |
| 66 | int graphic_width = 800; |
| 67 | int graphic_height = 600; |
| 68 | int graphic_depth = 15; |
| 69 | #endif |
| 70 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 71 | |
| 72 | #if defined(TARGET_ALPHA) |
| 73 | #define QEMU_ARCH QEMU_ARCH_ALPHA |
| 74 | #elif defined(TARGET_ARM) |
| 75 | #define QEMU_ARCH QEMU_ARCH_ARM |
| 76 | #elif defined(TARGET_CRIS) |
| 77 | #define QEMU_ARCH QEMU_ARCH_CRIS |
| 78 | #elif defined(TARGET_I386) |
| 79 | #define QEMU_ARCH QEMU_ARCH_I386 |
| 80 | #elif defined(TARGET_M68K) |
| 81 | #define QEMU_ARCH QEMU_ARCH_M68K |
Michael Walle | 81ea0e1 | 2011-02-17 23:45:02 +0100 | [diff] [blame] | 82 | #elif defined(TARGET_LM32) |
| 83 | #define QEMU_ARCH QEMU_ARCH_LM32 |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 84 | #elif defined(TARGET_MICROBLAZE) |
| 85 | #define QEMU_ARCH QEMU_ARCH_MICROBLAZE |
| 86 | #elif defined(TARGET_MIPS) |
| 87 | #define QEMU_ARCH QEMU_ARCH_MIPS |
Jia Liu | e67db06 | 2012-07-20 15:50:39 +0800 | [diff] [blame] | 88 | #elif defined(TARGET_OPENRISC) |
| 89 | #define QEMU_ARCH QEMU_ARCH_OPENRISC |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 90 | #elif defined(TARGET_PPC) |
| 91 | #define QEMU_ARCH QEMU_ARCH_PPC |
| 92 | #elif defined(TARGET_S390X) |
| 93 | #define QEMU_ARCH QEMU_ARCH_S390X |
| 94 | #elif defined(TARGET_SH4) |
| 95 | #define QEMU_ARCH QEMU_ARCH_SH4 |
| 96 | #elif defined(TARGET_SPARC) |
| 97 | #define QEMU_ARCH QEMU_ARCH_SPARC |
Max Filippov | 2328826 | 2011-09-06 03:55:25 +0400 | [diff] [blame] | 98 | #elif defined(TARGET_XTENSA) |
| 99 | #define QEMU_ARCH QEMU_ARCH_XTENSA |
Guan Xuetao | 4f23a1e | 2012-08-10 14:42:21 +0800 | [diff] [blame] | 100 | #elif defined(TARGET_UNICORE32) |
| 101 | #define QEMU_ARCH QEMU_ARCH_UNICORE32 |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 102 | #endif |
| 103 | |
| 104 | const uint32_t arch_type = QEMU_ARCH; |
| 105 | |
| 106 | /***********************************************************/ |
| 107 | /* ram save/restore */ |
| 108 | |
Yoshiaki Tamura | d20878d | 2010-08-18 13:30:12 +0900 | [diff] [blame] | 109 | #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ |
| 110 | #define RAM_SAVE_FLAG_COMPRESS 0x02 |
| 111 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 |
| 112 | #define RAM_SAVE_FLAG_PAGE 0x08 |
| 113 | #define RAM_SAVE_FLAG_EOS 0x10 |
| 114 | #define RAM_SAVE_FLAG_CONTINUE 0x20 |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 115 | #define RAM_SAVE_FLAG_XBZRLE 0x40 |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 116 | |
Paolo Bonzini | 8600361 | 2011-12-23 16:17:26 +0100 | [diff] [blame] | 117 | #ifdef __ALTIVEC__ |
| 118 | #include <altivec.h> |
| 119 | #define VECTYPE vector unsigned char |
| 120 | #define SPLAT(p) vec_splat(vec_ld(0, p), 0) |
| 121 | #define ALL_EQ(v1, v2) vec_all_eq(v1, v2) |
Andreas Färber | f283edc | 2012-05-27 16:21:02 +0200 | [diff] [blame] | 122 | /* altivec.h may redefine the bool macro as vector type. |
| 123 | * Reset it to POSIX semantics. */ |
| 124 | #undef bool |
| 125 | #define bool _Bool |
Paolo Bonzini | 8600361 | 2011-12-23 16:17:26 +0100 | [diff] [blame] | 126 | #elif defined __SSE2__ |
| 127 | #include <emmintrin.h> |
| 128 | #define VECTYPE __m128i |
| 129 | #define SPLAT(p) _mm_set1_epi8(*(p)) |
| 130 | #define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF) |
| 131 | #else |
| 132 | #define VECTYPE unsigned long |
| 133 | #define SPLAT(p) (*(p) * (~0UL / 255)) |
| 134 | #define ALL_EQ(v1, v2) ((v1) == (v2)) |
| 135 | #endif |
| 136 | |
Eduardo Habkost | b5a8fe5 | 2012-05-02 13:07:25 -0300 | [diff] [blame] | 137 | |
Eduardo Habkost | 756557d | 2012-05-02 13:07:27 -0300 | [diff] [blame] | 138 | static struct defconfig_file { |
| 139 | const char *filename; |
Eduardo Habkost | f29a561 | 2012-05-02 13:07:29 -0300 | [diff] [blame] | 140 | /* Indicates it is an user config file (disabled by -no-user-config) */ |
| 141 | bool userconfig; |
Eduardo Habkost | 756557d | 2012-05-02 13:07:27 -0300 | [diff] [blame] | 142 | } default_config_files[] = { |
Eduardo Habkost | f29a561 | 2012-05-02 13:07:29 -0300 | [diff] [blame] | 143 | { CONFIG_QEMU_CONFDIR "/qemu.conf", true }, |
| 144 | { CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf", true }, |
Eduardo Habkost | 756557d | 2012-05-02 13:07:27 -0300 | [diff] [blame] | 145 | { NULL }, /* end of list */ |
| 146 | }; |
| 147 | |
| 148 | |
Eduardo Habkost | f29a561 | 2012-05-02 13:07:29 -0300 | [diff] [blame] | 149 | int qemu_read_default_config_files(bool userconfig) |
Eduardo Habkost | b5a8fe5 | 2012-05-02 13:07:25 -0300 | [diff] [blame] | 150 | { |
| 151 | int ret; |
Eduardo Habkost | 756557d | 2012-05-02 13:07:27 -0300 | [diff] [blame] | 152 | struct defconfig_file *f; |
| 153 | |
| 154 | for (f = default_config_files; f->filename; f++) { |
Eduardo Habkost | f29a561 | 2012-05-02 13:07:29 -0300 | [diff] [blame] | 155 | if (!userconfig && f->userconfig) { |
| 156 | continue; |
| 157 | } |
Eduardo Habkost | 756557d | 2012-05-02 13:07:27 -0300 | [diff] [blame] | 158 | ret = qemu_read_config_file(f->filename); |
| 159 | if (ret < 0 && ret != -ENOENT) { |
| 160 | return ret; |
| 161 | } |
| 162 | } |
Eduardo Habkost | b5a8fe5 | 2012-05-02 13:07:25 -0300 | [diff] [blame] | 163 | |
Eduardo Habkost | b5a8fe5 | 2012-05-02 13:07:25 -0300 | [diff] [blame] | 164 | return 0; |
| 165 | } |
| 166 | |
Paolo Bonzini | 8600361 | 2011-12-23 16:17:26 +0100 | [diff] [blame] | 167 | static int is_dup_page(uint8_t *page) |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 168 | { |
Paolo Bonzini | 8600361 | 2011-12-23 16:17:26 +0100 | [diff] [blame] | 169 | VECTYPE *p = (VECTYPE *)page; |
| 170 | VECTYPE val = SPLAT(page); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 171 | int i; |
| 172 | |
Paolo Bonzini | 8600361 | 2011-12-23 16:17:26 +0100 | [diff] [blame] | 173 | for (i = 0; i < TARGET_PAGE_SIZE / sizeof(VECTYPE); i++) { |
| 174 | if (!ALL_EQ(val, p[i])) { |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 175 | return 0; |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | return 1; |
| 180 | } |
| 181 | |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 182 | /* struct contains XBZRLE cache and a static page |
| 183 | used by the compression */ |
| 184 | static struct { |
| 185 | /* buffer used for XBZRLE encoding */ |
| 186 | uint8_t *encoded_buf; |
| 187 | /* buffer for storing page content */ |
| 188 | uint8_t *current_buf; |
| 189 | /* buffer used for XBZRLE decoding */ |
| 190 | uint8_t *decoded_buf; |
| 191 | /* Cache for XBZRLE */ |
| 192 | PageCache *cache; |
| 193 | } XBZRLE = { |
| 194 | .encoded_buf = NULL, |
| 195 | .current_buf = NULL, |
| 196 | .decoded_buf = NULL, |
| 197 | .cache = NULL, |
| 198 | }; |
| 199 | |
Orit Wasserman | 9e1ba4c | 2012-08-06 21:42:54 +0300 | [diff] [blame] | 200 | |
| 201 | int64_t xbzrle_cache_resize(int64_t new_size) |
| 202 | { |
| 203 | if (XBZRLE.cache != NULL) { |
| 204 | return cache_resize(XBZRLE.cache, new_size / TARGET_PAGE_SIZE) * |
| 205 | TARGET_PAGE_SIZE; |
| 206 | } |
| 207 | return pow2floor(new_size); |
| 208 | } |
| 209 | |
Orit Wasserman | 004d4c1 | 2012-08-06 21:42:56 +0300 | [diff] [blame] | 210 | /* accounting for migration statistics */ |
| 211 | typedef struct AccountingInfo { |
| 212 | uint64_t dup_pages; |
| 213 | uint64_t norm_pages; |
| 214 | uint64_t iterations; |
Orit Wasserman | f36d55a | 2012-08-06 21:42:57 +0300 | [diff] [blame] | 215 | uint64_t xbzrle_bytes; |
| 216 | uint64_t xbzrle_pages; |
| 217 | uint64_t xbzrle_cache_miss; |
| 218 | uint64_t xbzrle_overflows; |
Orit Wasserman | 004d4c1 | 2012-08-06 21:42:56 +0300 | [diff] [blame] | 219 | } AccountingInfo; |
| 220 | |
| 221 | static AccountingInfo acct_info; |
| 222 | |
| 223 | static void acct_clear(void) |
| 224 | { |
| 225 | memset(&acct_info, 0, sizeof(acct_info)); |
| 226 | } |
| 227 | |
| 228 | uint64_t dup_mig_bytes_transferred(void) |
| 229 | { |
| 230 | return acct_info.dup_pages * TARGET_PAGE_SIZE; |
| 231 | } |
| 232 | |
| 233 | uint64_t dup_mig_pages_transferred(void) |
| 234 | { |
| 235 | return acct_info.dup_pages; |
| 236 | } |
| 237 | |
| 238 | uint64_t norm_mig_bytes_transferred(void) |
| 239 | { |
| 240 | return acct_info.norm_pages * TARGET_PAGE_SIZE; |
| 241 | } |
| 242 | |
| 243 | uint64_t norm_mig_pages_transferred(void) |
| 244 | { |
| 245 | return acct_info.norm_pages; |
| 246 | } |
| 247 | |
Orit Wasserman | f36d55a | 2012-08-06 21:42:57 +0300 | [diff] [blame] | 248 | uint64_t xbzrle_mig_bytes_transferred(void) |
| 249 | { |
| 250 | return acct_info.xbzrle_bytes; |
| 251 | } |
| 252 | |
| 253 | uint64_t xbzrle_mig_pages_transferred(void) |
| 254 | { |
| 255 | return acct_info.xbzrle_pages; |
| 256 | } |
| 257 | |
| 258 | uint64_t xbzrle_mig_pages_cache_miss(void) |
| 259 | { |
| 260 | return acct_info.xbzrle_cache_miss; |
| 261 | } |
| 262 | |
| 263 | uint64_t xbzrle_mig_pages_overflow(void) |
| 264 | { |
| 265 | return acct_info.xbzrle_overflows; |
| 266 | } |
| 267 | |
Juan Quintela | 3f7d7b0 | 2012-10-18 13:56:35 +0200 | [diff] [blame] | 268 | static size_t save_block_hdr(QEMUFile *f, RAMBlock *block, ram_addr_t offset, |
| 269 | int cont, int flag) |
Orit Wasserman | 0c51f43 | 2012-06-19 18:43:14 +0300 | [diff] [blame] | 270 | { |
Juan Quintela | 3f7d7b0 | 2012-10-18 13:56:35 +0200 | [diff] [blame] | 271 | size_t size; |
Orit Wasserman | 0c51f43 | 2012-06-19 18:43:14 +0300 | [diff] [blame] | 272 | |
Juan Quintela | 3f7d7b0 | 2012-10-18 13:56:35 +0200 | [diff] [blame] | 273 | qemu_put_be64(f, offset | cont | flag); |
| 274 | size = 8; |
| 275 | |
| 276 | if (!cont) { |
| 277 | qemu_put_byte(f, strlen(block->idstr)); |
| 278 | qemu_put_buffer(f, (uint8_t *)block->idstr, |
| 279 | strlen(block->idstr)); |
| 280 | size += 1 + strlen(block->idstr); |
| 281 | } |
| 282 | return size; |
Orit Wasserman | 0c51f43 | 2012-06-19 18:43:14 +0300 | [diff] [blame] | 283 | } |
| 284 | |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 285 | #define ENCODING_FLAG_XBZRLE 0x1 |
| 286 | |
| 287 | static int save_xbzrle_page(QEMUFile *f, uint8_t *current_data, |
| 288 | ram_addr_t current_addr, RAMBlock *block, |
Juan Quintela | dd051c7 | 2012-08-06 21:42:58 +0300 | [diff] [blame] | 289 | ram_addr_t offset, int cont, bool last_stage) |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 290 | { |
| 291 | int encoded_len = 0, bytes_sent = -1; |
| 292 | uint8_t *prev_cached_page; |
| 293 | |
| 294 | if (!cache_is_cached(XBZRLE.cache, current_addr)) { |
Juan Quintela | dd051c7 | 2012-08-06 21:42:58 +0300 | [diff] [blame] | 295 | if (!last_stage) { |
| 296 | cache_insert(XBZRLE.cache, current_addr, |
| 297 | g_memdup(current_data, TARGET_PAGE_SIZE)); |
| 298 | } |
Orit Wasserman | f36d55a | 2012-08-06 21:42:57 +0300 | [diff] [blame] | 299 | acct_info.xbzrle_cache_miss++; |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 300 | return -1; |
| 301 | } |
| 302 | |
| 303 | prev_cached_page = get_cached_data(XBZRLE.cache, current_addr); |
| 304 | |
| 305 | /* save current buffer into memory */ |
| 306 | memcpy(XBZRLE.current_buf, current_data, TARGET_PAGE_SIZE); |
| 307 | |
| 308 | /* XBZRLE encoding (if there is no overflow) */ |
| 309 | encoded_len = xbzrle_encode_buffer(prev_cached_page, XBZRLE.current_buf, |
| 310 | TARGET_PAGE_SIZE, XBZRLE.encoded_buf, |
| 311 | TARGET_PAGE_SIZE); |
| 312 | if (encoded_len == 0) { |
| 313 | DPRINTF("Skipping unmodified page\n"); |
| 314 | return 0; |
| 315 | } else if (encoded_len == -1) { |
| 316 | DPRINTF("Overflow\n"); |
Orit Wasserman | f36d55a | 2012-08-06 21:42:57 +0300 | [diff] [blame] | 317 | acct_info.xbzrle_overflows++; |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 318 | /* update data in the cache */ |
| 319 | memcpy(prev_cached_page, current_data, TARGET_PAGE_SIZE); |
| 320 | return -1; |
| 321 | } |
| 322 | |
| 323 | /* we need to update the data in the cache, in order to get the same data */ |
Juan Quintela | dd051c7 | 2012-08-06 21:42:58 +0300 | [diff] [blame] | 324 | if (!last_stage) { |
| 325 | memcpy(prev_cached_page, XBZRLE.current_buf, TARGET_PAGE_SIZE); |
| 326 | } |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 327 | |
| 328 | /* Send XBZRLE based compressed page */ |
Juan Quintela | 3f7d7b0 | 2012-10-18 13:56:35 +0200 | [diff] [blame] | 329 | bytes_sent = save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_XBZRLE); |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 330 | qemu_put_byte(f, ENCODING_FLAG_XBZRLE); |
| 331 | qemu_put_be16(f, encoded_len); |
| 332 | qemu_put_buffer(f, XBZRLE.encoded_buf, encoded_len); |
Juan Quintela | 3f7d7b0 | 2012-10-18 13:56:35 +0200 | [diff] [blame] | 333 | bytes_sent += encoded_len + 1 + 2; |
Orit Wasserman | f36d55a | 2012-08-06 21:42:57 +0300 | [diff] [blame] | 334 | acct_info.xbzrle_pages++; |
| 335 | acct_info.xbzrle_bytes += bytes_sent; |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 336 | |
| 337 | return bytes_sent; |
| 338 | } |
| 339 | |
Juan Quintela | b23a9a5 | 2012-10-17 20:08:04 +0200 | [diff] [blame] | 340 | |
| 341 | /* This is the last block that we have visited serching for dirty pages |
| 342 | */ |
| 343 | static RAMBlock *last_seen_block; |
Juan Quintela | 5f718a1 | 2012-10-17 20:10:55 +0200 | [diff] [blame] | 344 | /* This is the last block from where we have sent data */ |
| 345 | static RAMBlock *last_sent_block; |
Alex Williamson | 760e77e | 2010-08-19 10:18:42 -0300 | [diff] [blame] | 346 | static ram_addr_t last_offset; |
Juan Quintela | c6bf8e0 | 2012-07-20 12:33:00 +0200 | [diff] [blame] | 347 | static unsigned long *migration_bitmap; |
| 348 | static uint64_t migration_dirty_pages; |
Umesh Deshpande | f798b07 | 2011-08-18 11:41:17 -0700 | [diff] [blame] | 349 | static uint32_t last_version; |
Alex Williamson | 760e77e | 2010-08-19 10:18:42 -0300 | [diff] [blame] | 350 | |
Juan Quintela | 4c8ae0f | 2012-10-18 00:00:59 +0200 | [diff] [blame] | 351 | static inline |
| 352 | ram_addr_t migration_bitmap_find_and_reset_dirty(MemoryRegion *mr, |
| 353 | ram_addr_t start) |
Juan Quintela | 69268cd | 2012-07-20 10:36:12 +0200 | [diff] [blame] | 354 | { |
Juan Quintela | 4c8ae0f | 2012-10-18 00:00:59 +0200 | [diff] [blame] | 355 | unsigned long base = mr->ram_addr >> TARGET_PAGE_BITS; |
| 356 | unsigned long nr = base + (start >> TARGET_PAGE_BITS); |
| 357 | unsigned long size = base + (int128_get64(mr->size) >> TARGET_PAGE_BITS); |
Juan Quintela | c6bf8e0 | 2012-07-20 12:33:00 +0200 | [diff] [blame] | 358 | |
Juan Quintela | 4c8ae0f | 2012-10-18 00:00:59 +0200 | [diff] [blame] | 359 | unsigned long next = find_next_bit(migration_bitmap, size, nr); |
Juan Quintela | 69268cd | 2012-07-20 10:36:12 +0200 | [diff] [blame] | 360 | |
Juan Quintela | 4c8ae0f | 2012-10-18 00:00:59 +0200 | [diff] [blame] | 361 | if (next < size) { |
| 362 | clear_bit(next, migration_bitmap); |
Juan Quintela | c6bf8e0 | 2012-07-20 12:33:00 +0200 | [diff] [blame] | 363 | migration_dirty_pages--; |
Juan Quintela | 69268cd | 2012-07-20 10:36:12 +0200 | [diff] [blame] | 364 | } |
Juan Quintela | 4c8ae0f | 2012-10-18 00:00:59 +0200 | [diff] [blame] | 365 | return (next - base) << TARGET_PAGE_BITS; |
Juan Quintela | 69268cd | 2012-07-20 10:36:12 +0200 | [diff] [blame] | 366 | } |
| 367 | |
Juan Quintela | c6bf8e0 | 2012-07-20 12:33:00 +0200 | [diff] [blame] | 368 | static inline bool migration_bitmap_set_dirty(MemoryRegion *mr, |
| 369 | ram_addr_t offset) |
Juan Quintela | e44d26c | 2012-07-20 10:16:08 +0200 | [diff] [blame] | 370 | { |
Juan Quintela | c6bf8e0 | 2012-07-20 12:33:00 +0200 | [diff] [blame] | 371 | bool ret; |
| 372 | int nr = (mr->ram_addr + offset) >> TARGET_PAGE_BITS; |
Juan Quintela | e44d26c | 2012-07-20 10:16:08 +0200 | [diff] [blame] | 373 | |
Juan Quintela | c6bf8e0 | 2012-07-20 12:33:00 +0200 | [diff] [blame] | 374 | ret = test_and_set_bit(nr, migration_bitmap); |
| 375 | |
| 376 | if (!ret) { |
| 377 | migration_dirty_pages++; |
Juan Quintela | e44d26c | 2012-07-20 10:16:08 +0200 | [diff] [blame] | 378 | } |
Juan Quintela | c6bf8e0 | 2012-07-20 12:33:00 +0200 | [diff] [blame] | 379 | return ret; |
Juan Quintela | e44d26c | 2012-07-20 10:16:08 +0200 | [diff] [blame] | 380 | } |
| 381 | |
Paolo Bonzini | 32c835b | 2013-02-22 17:36:27 +0100 | [diff] [blame] | 382 | /* Needs iothread lock! */ |
| 383 | |
Juan Quintela | dd2df73 | 2012-07-20 10:52:51 +0200 | [diff] [blame] | 384 | static void migration_bitmap_sync(void) |
| 385 | { |
Juan Quintela | c6bf8e0 | 2012-07-20 12:33:00 +0200 | [diff] [blame] | 386 | RAMBlock *block; |
| 387 | ram_addr_t addr; |
| 388 | uint64_t num_dirty_pages_init = migration_dirty_pages; |
Juan Quintela | 8d01719 | 2012-08-13 12:31:25 +0200 | [diff] [blame] | 389 | MigrationState *s = migrate_get_current(); |
| 390 | static int64_t start_time; |
| 391 | static int64_t num_dirty_pages_period; |
| 392 | int64_t end_time; |
| 393 | |
| 394 | if (!start_time) { |
| 395 | start_time = qemu_get_clock_ms(rt_clock); |
| 396 | } |
Juan Quintela | 3c12193 | 2012-09-04 13:08:57 +0200 | [diff] [blame] | 397 | |
| 398 | trace_migration_bitmap_sync_start(); |
Juan Quintela | dd2df73 | 2012-07-20 10:52:51 +0200 | [diff] [blame] | 399 | memory_global_sync_dirty_bitmap(get_system_memory()); |
Juan Quintela | c6bf8e0 | 2012-07-20 12:33:00 +0200 | [diff] [blame] | 400 | |
Paolo Bonzini | a316103 | 2012-11-14 15:54:48 +0100 | [diff] [blame] | 401 | QTAILQ_FOREACH(block, &ram_list.blocks, next) { |
Juan Quintela | c6bf8e0 | 2012-07-20 12:33:00 +0200 | [diff] [blame] | 402 | for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) { |
Juan Quintela | ece7931 | 2012-10-17 20:27:15 +0200 | [diff] [blame] | 403 | if (memory_region_test_and_clear_dirty(block->mr, |
| 404 | addr, TARGET_PAGE_SIZE, |
| 405 | DIRTY_MEMORY_MIGRATION)) { |
Juan Quintela | c6bf8e0 | 2012-07-20 12:33:00 +0200 | [diff] [blame] | 406 | migration_bitmap_set_dirty(block->mr, addr); |
| 407 | } |
| 408 | } |
Juan Quintela | c6bf8e0 | 2012-07-20 12:33:00 +0200 | [diff] [blame] | 409 | } |
| 410 | trace_migration_bitmap_sync_end(migration_dirty_pages |
Juan Quintela | 3c12193 | 2012-09-04 13:08:57 +0200 | [diff] [blame] | 411 | - num_dirty_pages_init); |
Juan Quintela | 8d01719 | 2012-08-13 12:31:25 +0200 | [diff] [blame] | 412 | num_dirty_pages_period += migration_dirty_pages - num_dirty_pages_init; |
| 413 | end_time = qemu_get_clock_ms(rt_clock); |
| 414 | |
| 415 | /* more than 1 second = 1000 millisecons */ |
| 416 | if (end_time > start_time + 1000) { |
| 417 | s->dirty_pages_rate = num_dirty_pages_period * 1000 |
| 418 | / (end_time - start_time); |
Juan Quintela | 90f8ae7 | 2013-02-01 13:22:37 +0100 | [diff] [blame] | 419 | s->dirty_bytes_rate = s->dirty_pages_rate * TARGET_PAGE_SIZE; |
Juan Quintela | 8d01719 | 2012-08-13 12:31:25 +0200 | [diff] [blame] | 420 | start_time = end_time; |
| 421 | num_dirty_pages_period = 0; |
| 422 | } |
Juan Quintela | dd2df73 | 2012-07-20 10:52:51 +0200 | [diff] [blame] | 423 | } |
| 424 | |
Orit Wasserman | 6c779f2 | 2012-07-10 12:37:13 +0300 | [diff] [blame] | 425 | /* |
| 426 | * ram_save_block: Writes a page of memory to the stream f |
| 427 | * |
Juan Quintela | b823cea | 2012-12-10 13:27:50 +0100 | [diff] [blame] | 428 | * Returns: The number of bytes written. |
| 429 | * 0 means no dirty pages |
Orit Wasserman | 6c779f2 | 2012-07-10 12:37:13 +0300 | [diff] [blame] | 430 | */ |
| 431 | |
Juan Quintela | dd051c7 | 2012-08-06 21:42:58 +0300 | [diff] [blame] | 432 | static int ram_save_block(QEMUFile *f, bool last_stage) |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 433 | { |
Juan Quintela | b23a9a5 | 2012-10-17 20:08:04 +0200 | [diff] [blame] | 434 | RAMBlock *block = last_seen_block; |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 435 | ram_addr_t offset = last_offset; |
Juan Quintela | 4c8ae0f | 2012-10-18 00:00:59 +0200 | [diff] [blame] | 436 | bool complete_round = false; |
Juan Quintela | b823cea | 2012-12-10 13:27:50 +0100 | [diff] [blame] | 437 | int bytes_sent = 0; |
Avi Kivity | 71c510e | 2011-12-21 13:11:22 +0200 | [diff] [blame] | 438 | MemoryRegion *mr; |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 439 | ram_addr_t current_addr; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 440 | |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 441 | if (!block) |
Paolo Bonzini | a316103 | 2012-11-14 15:54:48 +0100 | [diff] [blame] | 442 | block = QTAILQ_FIRST(&ram_list.blocks); |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 443 | |
Juan Quintela | 4c8ae0f | 2012-10-18 00:00:59 +0200 | [diff] [blame] | 444 | while (true) { |
Avi Kivity | 71c510e | 2011-12-21 13:11:22 +0200 | [diff] [blame] | 445 | mr = block->mr; |
Juan Quintela | 4c8ae0f | 2012-10-18 00:00:59 +0200 | [diff] [blame] | 446 | offset = migration_bitmap_find_and_reset_dirty(mr, offset); |
| 447 | if (complete_round && block == last_seen_block && |
| 448 | offset >= last_offset) { |
| 449 | break; |
| 450 | } |
| 451 | if (offset >= block->length) { |
| 452 | offset = 0; |
| 453 | block = QTAILQ_NEXT(block, next); |
| 454 | if (!block) { |
| 455 | block = QTAILQ_FIRST(&ram_list.blocks); |
| 456 | complete_round = true; |
| 457 | } |
| 458 | } else { |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 459 | uint8_t *p; |
Juan Quintela | 5f718a1 | 2012-10-17 20:10:55 +0200 | [diff] [blame] | 460 | int cont = (block == last_sent_block) ? |
Juan Quintela | b23a9a5 | 2012-10-17 20:08:04 +0200 | [diff] [blame] | 461 | RAM_SAVE_FLAG_CONTINUE : 0; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 462 | |
Avi Kivity | 71c510e | 2011-12-21 13:11:22 +0200 | [diff] [blame] | 463 | p = memory_region_get_ram_ptr(mr) + offset; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 464 | |
Juan Quintela | b823cea | 2012-12-10 13:27:50 +0100 | [diff] [blame] | 465 | /* In doubt sent page as normal */ |
| 466 | bytes_sent = -1; |
Paolo Bonzini | 8600361 | 2011-12-23 16:17:26 +0100 | [diff] [blame] | 467 | if (is_dup_page(p)) { |
Orit Wasserman | 004d4c1 | 2012-08-06 21:42:56 +0300 | [diff] [blame] | 468 | acct_info.dup_pages++; |
Juan Quintela | 3f7d7b0 | 2012-10-18 13:56:35 +0200 | [diff] [blame] | 469 | bytes_sent = save_block_hdr(f, block, offset, cont, |
| 470 | RAM_SAVE_FLAG_COMPRESS); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 471 | qemu_put_byte(f, *p); |
Juan Quintela | 3f7d7b0 | 2012-10-18 13:56:35 +0200 | [diff] [blame] | 472 | bytes_sent += 1; |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 473 | } else if (migrate_use_xbzrle()) { |
| 474 | current_addr = block->offset + offset; |
| 475 | bytes_sent = save_xbzrle_page(f, p, current_addr, block, |
Juan Quintela | dd051c7 | 2012-08-06 21:42:58 +0300 | [diff] [blame] | 476 | offset, cont, last_stage); |
| 477 | if (!last_stage) { |
| 478 | p = get_cached_data(XBZRLE.cache, current_addr); |
| 479 | } |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 480 | } |
| 481 | |
Juan Quintela | b823cea | 2012-12-10 13:27:50 +0100 | [diff] [blame] | 482 | /* XBZRLE overflow or normal page */ |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 483 | if (bytes_sent == -1) { |
Juan Quintela | 3f7d7b0 | 2012-10-18 13:56:35 +0200 | [diff] [blame] | 484 | bytes_sent = save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_PAGE); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 485 | qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
Juan Quintela | 3f7d7b0 | 2012-10-18 13:56:35 +0200 | [diff] [blame] | 486 | bytes_sent += TARGET_PAGE_SIZE; |
Orit Wasserman | 004d4c1 | 2012-08-06 21:42:56 +0300 | [diff] [blame] | 487 | acct_info.norm_pages++; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 488 | } |
| 489 | |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 490 | /* if page is unmodified, continue to the next */ |
Juan Quintela | b823cea | 2012-12-10 13:27:50 +0100 | [diff] [blame] | 491 | if (bytes_sent > 0) { |
Juan Quintela | 5f718a1 | 2012-10-17 20:10:55 +0200 | [diff] [blame] | 492 | last_sent_block = block; |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 493 | break; |
| 494 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 495 | } |
Juan Quintela | 4c8ae0f | 2012-10-18 00:00:59 +0200 | [diff] [blame] | 496 | } |
Juan Quintela | b23a9a5 | 2012-10-17 20:08:04 +0200 | [diff] [blame] | 497 | last_seen_block = block; |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 498 | last_offset = offset; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 499 | |
Pierre Riteau | 3fc250b | 2010-05-12 15:12:44 +0200 | [diff] [blame] | 500 | return bytes_sent; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 501 | } |
| 502 | |
| 503 | static uint64_t bytes_transferred; |
| 504 | |
| 505 | static ram_addr_t ram_save_remaining(void) |
| 506 | { |
Juan Quintela | c6bf8e0 | 2012-07-20 12:33:00 +0200 | [diff] [blame] | 507 | return migration_dirty_pages; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 508 | } |
| 509 | |
| 510 | uint64_t ram_bytes_remaining(void) |
| 511 | { |
| 512 | return ram_save_remaining() * TARGET_PAGE_SIZE; |
| 513 | } |
| 514 | |
| 515 | uint64_t ram_bytes_transferred(void) |
| 516 | { |
| 517 | return bytes_transferred; |
| 518 | } |
| 519 | |
| 520 | uint64_t ram_bytes_total(void) |
| 521 | { |
Alex Williamson | d17b528 | 2010-06-25 11:08:38 -0600 | [diff] [blame] | 522 | RAMBlock *block; |
| 523 | uint64_t total = 0; |
| 524 | |
Paolo Bonzini | a316103 | 2012-11-14 15:54:48 +0100 | [diff] [blame] | 525 | QTAILQ_FOREACH(block, &ram_list.blocks, next) |
Alex Williamson | d17b528 | 2010-06-25 11:08:38 -0600 | [diff] [blame] | 526 | total += block->length; |
| 527 | |
| 528 | return total; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 529 | } |
| 530 | |
Orit Wasserman | 8e21cd3 | 2012-06-19 18:43:17 +0300 | [diff] [blame] | 531 | static void migration_end(void) |
| 532 | { |
Paolo Bonzini | 244eaa7 | 2012-12-12 12:54:43 +0100 | [diff] [blame] | 533 | if (migration_bitmap) { |
| 534 | memory_global_dirty_log_stop(); |
| 535 | g_free(migration_bitmap); |
| 536 | migration_bitmap = NULL; |
| 537 | } |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 538 | |
Paolo Bonzini | 244eaa7 | 2012-12-12 12:54:43 +0100 | [diff] [blame] | 539 | if (XBZRLE.cache) { |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 540 | cache_fini(XBZRLE.cache); |
| 541 | g_free(XBZRLE.cache); |
| 542 | g_free(XBZRLE.encoded_buf); |
| 543 | g_free(XBZRLE.current_buf); |
| 544 | g_free(XBZRLE.decoded_buf); |
| 545 | XBZRLE.cache = NULL; |
| 546 | } |
Orit Wasserman | 8e21cd3 | 2012-06-19 18:43:17 +0300 | [diff] [blame] | 547 | } |
| 548 | |
Juan Quintela | 9b5bfab | 2012-06-26 19:26:41 +0200 | [diff] [blame] | 549 | static void ram_migration_cancel(void *opaque) |
| 550 | { |
| 551 | migration_end(); |
| 552 | } |
| 553 | |
Juan Quintela | 5a17077 | 2012-07-17 17:02:24 +0200 | [diff] [blame] | 554 | static void reset_ram_globals(void) |
| 555 | { |
Juan Quintela | b23a9a5 | 2012-10-17 20:08:04 +0200 | [diff] [blame] | 556 | last_seen_block = NULL; |
Juan Quintela | 5f718a1 | 2012-10-17 20:10:55 +0200 | [diff] [blame] | 557 | last_sent_block = NULL; |
Juan Quintela | 5a17077 | 2012-07-17 17:02:24 +0200 | [diff] [blame] | 558 | last_offset = 0; |
Umesh Deshpande | f798b07 | 2011-08-18 11:41:17 -0700 | [diff] [blame] | 559 | last_version = ram_list.version; |
Juan Quintela | 5a17077 | 2012-07-17 17:02:24 +0200 | [diff] [blame] | 560 | } |
| 561 | |
Juan Quintela | 4508bd9 | 2012-05-22 16:27:59 +0200 | [diff] [blame] | 562 | #define MAX_WAIT 50 /* ms, half buffered_file limit */ |
| 563 | |
Juan Quintela | d1315aa | 2012-06-28 15:11:57 +0200 | [diff] [blame] | 564 | static int ram_save_setup(QEMUFile *f, void *opaque) |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 565 | { |
Juan Quintela | d1315aa | 2012-06-28 15:11:57 +0200 | [diff] [blame] | 566 | RAMBlock *block; |
Juan Quintela | c6bf8e0 | 2012-07-20 12:33:00 +0200 | [diff] [blame] | 567 | int64_t ram_pages = last_ram_offset() >> TARGET_PAGE_BITS; |
| 568 | |
| 569 | migration_bitmap = bitmap_new(ram_pages); |
David Gibson | 7ec81e5 | 2012-12-04 11:38:38 +1100 | [diff] [blame] | 570 | bitmap_set(migration_bitmap, 0, ram_pages); |
Juan Quintela | c6bf8e0 | 2012-07-20 12:33:00 +0200 | [diff] [blame] | 571 | migration_dirty_pages = ram_pages; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 572 | |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 573 | if (migrate_use_xbzrle()) { |
| 574 | XBZRLE.cache = cache_init(migrate_xbzrle_cache_size() / |
| 575 | TARGET_PAGE_SIZE, |
| 576 | TARGET_PAGE_SIZE); |
| 577 | if (!XBZRLE.cache) { |
| 578 | DPRINTF("Error creating cache\n"); |
| 579 | return -1; |
| 580 | } |
| 581 | XBZRLE.encoded_buf = g_malloc0(TARGET_PAGE_SIZE); |
| 582 | XBZRLE.current_buf = g_malloc(TARGET_PAGE_SIZE); |
Orit Wasserman | 004d4c1 | 2012-08-06 21:42:56 +0300 | [diff] [blame] | 583 | acct_clear(); |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 584 | } |
| 585 | |
Paolo Bonzini | 9b09503 | 2013-02-22 17:36:28 +0100 | [diff] [blame^] | 586 | qemu_mutex_lock_iothread(); |
| 587 | qemu_mutex_lock_ramlist(); |
| 588 | bytes_transferred = 0; |
| 589 | reset_ram_globals(); |
| 590 | |
Juan Quintela | d1315aa | 2012-06-28 15:11:57 +0200 | [diff] [blame] | 591 | memory_global_dirty_log_start(); |
Juan Quintela | c6bf8e0 | 2012-07-20 12:33:00 +0200 | [diff] [blame] | 592 | migration_bitmap_sync(); |
Paolo Bonzini | 9b09503 | 2013-02-22 17:36:28 +0100 | [diff] [blame^] | 593 | qemu_mutex_unlock_iothread(); |
Juan Quintela | d1315aa | 2012-06-28 15:11:57 +0200 | [diff] [blame] | 594 | |
| 595 | qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE); |
| 596 | |
Paolo Bonzini | a316103 | 2012-11-14 15:54:48 +0100 | [diff] [blame] | 597 | QTAILQ_FOREACH(block, &ram_list.blocks, next) { |
Juan Quintela | d1315aa | 2012-06-28 15:11:57 +0200 | [diff] [blame] | 598 | qemu_put_byte(f, strlen(block->idstr)); |
| 599 | qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr)); |
| 600 | qemu_put_be64(f, block->length); |
| 601 | } |
| 602 | |
Umesh Deshpande | b2a8658 | 2011-08-17 00:01:33 -0700 | [diff] [blame] | 603 | qemu_mutex_unlock_ramlist(); |
Juan Quintela | d1315aa | 2012-06-28 15:11:57 +0200 | [diff] [blame] | 604 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
| 605 | |
| 606 | return 0; |
| 607 | } |
| 608 | |
Juan Quintela | 16310a3 | 2012-06-28 15:31:37 +0200 | [diff] [blame] | 609 | static int ram_save_iterate(QEMUFile *f, void *opaque) |
Juan Quintela | d1315aa | 2012-06-28 15:11:57 +0200 | [diff] [blame] | 610 | { |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 611 | int ret; |
| 612 | int i; |
Juan Quintela | e4ed154 | 2012-09-21 11:18:18 +0200 | [diff] [blame] | 613 | int64_t t0; |
Juan Quintela | b823cea | 2012-12-10 13:27:50 +0100 | [diff] [blame] | 614 | int total_sent = 0; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 615 | |
Umesh Deshpande | b2a8658 | 2011-08-17 00:01:33 -0700 | [diff] [blame] | 616 | qemu_mutex_lock_ramlist(); |
| 617 | |
Umesh Deshpande | f798b07 | 2011-08-18 11:41:17 -0700 | [diff] [blame] | 618 | if (ram_list.version != last_version) { |
| 619 | reset_ram_globals(); |
| 620 | } |
| 621 | |
Juan Quintela | e4ed154 | 2012-09-21 11:18:18 +0200 | [diff] [blame] | 622 | t0 = qemu_get_clock_ns(rt_clock); |
Juan Quintela | 4508bd9 | 2012-05-22 16:27:59 +0200 | [diff] [blame] | 623 | i = 0; |
Juan Quintela | 2975725 | 2011-10-19 15:22:18 +0200 | [diff] [blame] | 624 | while ((ret = qemu_file_rate_limit(f)) == 0) { |
Pierre Riteau | 3fc250b | 2010-05-12 15:12:44 +0200 | [diff] [blame] | 625 | int bytes_sent; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 626 | |
Juan Quintela | dd051c7 | 2012-08-06 21:42:58 +0300 | [diff] [blame] | 627 | bytes_sent = ram_save_block(f, false); |
Orit Wasserman | 6c779f2 | 2012-07-10 12:37:13 +0300 | [diff] [blame] | 628 | /* no more blocks to sent */ |
Juan Quintela | b823cea | 2012-12-10 13:27:50 +0100 | [diff] [blame] | 629 | if (bytes_sent == 0) { |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 630 | break; |
| 631 | } |
Juan Quintela | b823cea | 2012-12-10 13:27:50 +0100 | [diff] [blame] | 632 | total_sent += bytes_sent; |
Orit Wasserman | 004d4c1 | 2012-08-06 21:42:56 +0300 | [diff] [blame] | 633 | acct_info.iterations++; |
Juan Quintela | 4508bd9 | 2012-05-22 16:27:59 +0200 | [diff] [blame] | 634 | /* we want to check in the 1st loop, just in case it was the 1st time |
| 635 | and we had to sync the dirty bitmap. |
| 636 | qemu_get_clock_ns() is a bit expensive, so we only check each some |
| 637 | iterations |
| 638 | */ |
| 639 | if ((i & 63) == 0) { |
Juan Quintela | e4ed154 | 2012-09-21 11:18:18 +0200 | [diff] [blame] | 640 | uint64_t t1 = (qemu_get_clock_ns(rt_clock) - t0) / 1000000; |
Juan Quintela | 4508bd9 | 2012-05-22 16:27:59 +0200 | [diff] [blame] | 641 | if (t1 > MAX_WAIT) { |
Igor Mitsyanko | ef37a69 | 2012-09-05 13:04:56 +0400 | [diff] [blame] | 642 | DPRINTF("big wait: %" PRIu64 " milliseconds, %d iterations\n", |
Juan Quintela | 4508bd9 | 2012-05-22 16:27:59 +0200 | [diff] [blame] | 643 | t1, i); |
| 644 | break; |
| 645 | } |
| 646 | } |
| 647 | i++; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 648 | } |
| 649 | |
Paolo Bonzini | fb3409d | 2012-12-20 11:25:45 +0100 | [diff] [blame] | 650 | qemu_mutex_unlock_ramlist(); |
| 651 | |
Juan Quintela | 2975725 | 2011-10-19 15:22:18 +0200 | [diff] [blame] | 652 | if (ret < 0) { |
Juan Quintela | b823cea | 2012-12-10 13:27:50 +0100 | [diff] [blame] | 653 | bytes_transferred += total_sent; |
Juan Quintela | 2975725 | 2011-10-19 15:22:18 +0200 | [diff] [blame] | 654 | return ret; |
| 655 | } |
| 656 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 657 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
Juan Quintela | b823cea | 2012-12-10 13:27:50 +0100 | [diff] [blame] | 658 | total_sent += 8; |
| 659 | bytes_transferred += total_sent; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 660 | |
Juan Quintela | b823cea | 2012-12-10 13:27:50 +0100 | [diff] [blame] | 661 | return total_sent; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 662 | } |
| 663 | |
Juan Quintela | 16310a3 | 2012-06-28 15:31:37 +0200 | [diff] [blame] | 664 | static int ram_save_complete(QEMUFile *f, void *opaque) |
| 665 | { |
Umesh Deshpande | b2a8658 | 2011-08-17 00:01:33 -0700 | [diff] [blame] | 666 | qemu_mutex_lock_ramlist(); |
Paolo Bonzini | 9c33948 | 2012-12-20 11:26:04 +0100 | [diff] [blame] | 667 | migration_bitmap_sync(); |
Umesh Deshpande | b2a8658 | 2011-08-17 00:01:33 -0700 | [diff] [blame] | 668 | |
Juan Quintela | 16310a3 | 2012-06-28 15:31:37 +0200 | [diff] [blame] | 669 | /* try transferring iterative blocks of memory */ |
| 670 | |
| 671 | /* flush all remaining blocks regardless of rate limiting */ |
Orit Wasserman | 6c779f2 | 2012-07-10 12:37:13 +0300 | [diff] [blame] | 672 | while (true) { |
| 673 | int bytes_sent; |
| 674 | |
Juan Quintela | dd051c7 | 2012-08-06 21:42:58 +0300 | [diff] [blame] | 675 | bytes_sent = ram_save_block(f, true); |
Orit Wasserman | 6c779f2 | 2012-07-10 12:37:13 +0300 | [diff] [blame] | 676 | /* no more blocks to sent */ |
Juan Quintela | b823cea | 2012-12-10 13:27:50 +0100 | [diff] [blame] | 677 | if (bytes_sent == 0) { |
Orit Wasserman | 6c779f2 | 2012-07-10 12:37:13 +0300 | [diff] [blame] | 678 | break; |
| 679 | } |
Juan Quintela | 16310a3 | 2012-06-28 15:31:37 +0200 | [diff] [blame] | 680 | bytes_transferred += bytes_sent; |
| 681 | } |
Paolo Bonzini | 244eaa7 | 2012-12-12 12:54:43 +0100 | [diff] [blame] | 682 | migration_end(); |
Juan Quintela | 16310a3 | 2012-06-28 15:31:37 +0200 | [diff] [blame] | 683 | |
Umesh Deshpande | b2a8658 | 2011-08-17 00:01:33 -0700 | [diff] [blame] | 684 | qemu_mutex_unlock_ramlist(); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 685 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
| 686 | |
Alex Williamson | a55bbe3 | 2010-06-25 11:10:05 -0600 | [diff] [blame] | 687 | return 0; |
| 688 | } |
| 689 | |
Juan Quintela | e4ed154 | 2012-09-21 11:18:18 +0200 | [diff] [blame] | 690 | static uint64_t ram_save_pending(QEMUFile *f, void *opaque, uint64_t max_size) |
| 691 | { |
| 692 | uint64_t remaining_size; |
| 693 | |
| 694 | remaining_size = ram_save_remaining() * TARGET_PAGE_SIZE; |
| 695 | |
| 696 | if (remaining_size < max_size) { |
Paolo Bonzini | 32c835b | 2013-02-22 17:36:27 +0100 | [diff] [blame] | 697 | qemu_mutex_lock_iothread(); |
Juan Quintela | e4ed154 | 2012-09-21 11:18:18 +0200 | [diff] [blame] | 698 | migration_bitmap_sync(); |
Paolo Bonzini | 32c835b | 2013-02-22 17:36:27 +0100 | [diff] [blame] | 699 | qemu_mutex_unlock_iothread(); |
Juan Quintela | e4ed154 | 2012-09-21 11:18:18 +0200 | [diff] [blame] | 700 | remaining_size = ram_save_remaining() * TARGET_PAGE_SIZE; |
| 701 | } |
| 702 | return remaining_size; |
| 703 | } |
| 704 | |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 705 | static int load_xbzrle(QEMUFile *f, ram_addr_t addr, void *host) |
| 706 | { |
| 707 | int ret, rc = 0; |
| 708 | unsigned int xh_len; |
| 709 | int xh_flags; |
| 710 | |
| 711 | if (!XBZRLE.decoded_buf) { |
| 712 | XBZRLE.decoded_buf = g_malloc(TARGET_PAGE_SIZE); |
| 713 | } |
| 714 | |
| 715 | /* extract RLE header */ |
| 716 | xh_flags = qemu_get_byte(f); |
| 717 | xh_len = qemu_get_be16(f); |
| 718 | |
| 719 | if (xh_flags != ENCODING_FLAG_XBZRLE) { |
| 720 | fprintf(stderr, "Failed to load XBZRLE page - wrong compression!\n"); |
| 721 | return -1; |
| 722 | } |
| 723 | |
| 724 | if (xh_len > TARGET_PAGE_SIZE) { |
| 725 | fprintf(stderr, "Failed to load XBZRLE page - len overflow!\n"); |
| 726 | return -1; |
| 727 | } |
| 728 | /* load data and decode */ |
| 729 | qemu_get_buffer(f, XBZRLE.decoded_buf, xh_len); |
| 730 | |
| 731 | /* decode RLE */ |
| 732 | ret = xbzrle_decode_buffer(XBZRLE.decoded_buf, xh_len, host, |
| 733 | TARGET_PAGE_SIZE); |
| 734 | if (ret == -1) { |
| 735 | fprintf(stderr, "Failed to load XBZRLE page - decode error!\n"); |
| 736 | rc = -1; |
| 737 | } else if (ret > TARGET_PAGE_SIZE) { |
| 738 | fprintf(stderr, "Failed to load XBZRLE page - size %d exceeds %d!\n", |
| 739 | ret, TARGET_PAGE_SIZE); |
| 740 | abort(); |
| 741 | } |
| 742 | |
| 743 | return rc; |
| 744 | } |
| 745 | |
Alex Williamson | a55bbe3 | 2010-06-25 11:10:05 -0600 | [diff] [blame] | 746 | static inline void *host_from_stream_offset(QEMUFile *f, |
| 747 | ram_addr_t offset, |
| 748 | int flags) |
| 749 | { |
| 750 | static RAMBlock *block = NULL; |
| 751 | char id[256]; |
| 752 | uint8_t len; |
| 753 | |
| 754 | if (flags & RAM_SAVE_FLAG_CONTINUE) { |
| 755 | if (!block) { |
| 756 | fprintf(stderr, "Ack, bad migration stream!\n"); |
| 757 | return NULL; |
| 758 | } |
| 759 | |
Avi Kivity | dc94a7e | 2011-12-21 13:54:33 +0200 | [diff] [blame] | 760 | return memory_region_get_ram_ptr(block->mr) + offset; |
Alex Williamson | a55bbe3 | 2010-06-25 11:10:05 -0600 | [diff] [blame] | 761 | } |
| 762 | |
| 763 | len = qemu_get_byte(f); |
| 764 | qemu_get_buffer(f, (uint8_t *)id, len); |
| 765 | id[len] = 0; |
| 766 | |
Paolo Bonzini | a316103 | 2012-11-14 15:54:48 +0100 | [diff] [blame] | 767 | QTAILQ_FOREACH(block, &ram_list.blocks, next) { |
Alex Williamson | a55bbe3 | 2010-06-25 11:10:05 -0600 | [diff] [blame] | 768 | if (!strncmp(id, block->idstr, sizeof(id))) |
Avi Kivity | dc94a7e | 2011-12-21 13:54:33 +0200 | [diff] [blame] | 769 | return memory_region_get_ram_ptr(block->mr) + offset; |
Alex Williamson | a55bbe3 | 2010-06-25 11:10:05 -0600 | [diff] [blame] | 770 | } |
| 771 | |
| 772 | fprintf(stderr, "Can't find block %s!\n", id); |
| 773 | return NULL; |
| 774 | } |
| 775 | |
Juan Quintela | 7908c78 | 2012-06-26 18:46:10 +0200 | [diff] [blame] | 776 | static int ram_load(QEMUFile *f, void *opaque, int version_id) |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 777 | { |
| 778 | ram_addr_t addr; |
Orit Wasserman | 3a697f6 | 2012-06-19 18:43:15 +0300 | [diff] [blame] | 779 | int flags, ret = 0; |
Juan Quintela | 42802d4 | 2011-10-05 01:14:46 +0200 | [diff] [blame] | 780 | int error; |
Orit Wasserman | 3a697f6 | 2012-06-19 18:43:15 +0300 | [diff] [blame] | 781 | static uint64_t seq_iter; |
| 782 | |
| 783 | seq_iter++; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 784 | |
Avi Kivity | f09f218 | 2011-12-21 13:37:56 +0200 | [diff] [blame] | 785 | if (version_id < 4 || version_id > 4) { |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 786 | return -EINVAL; |
| 787 | } |
| 788 | |
| 789 | do { |
| 790 | addr = qemu_get_be64(f); |
| 791 | |
| 792 | flags = addr & ~TARGET_PAGE_MASK; |
| 793 | addr &= TARGET_PAGE_MASK; |
| 794 | |
| 795 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { |
Avi Kivity | f09f218 | 2011-12-21 13:37:56 +0200 | [diff] [blame] | 796 | if (version_id == 4) { |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 797 | /* Synchronize RAM block list */ |
| 798 | char id[256]; |
| 799 | ram_addr_t length; |
| 800 | ram_addr_t total_ram_bytes = addr; |
| 801 | |
| 802 | while (total_ram_bytes) { |
| 803 | RAMBlock *block; |
| 804 | uint8_t len; |
| 805 | |
| 806 | len = qemu_get_byte(f); |
| 807 | qemu_get_buffer(f, (uint8_t *)id, len); |
| 808 | id[len] = 0; |
| 809 | length = qemu_get_be64(f); |
| 810 | |
Paolo Bonzini | a316103 | 2012-11-14 15:54:48 +0100 | [diff] [blame] | 811 | QTAILQ_FOREACH(block, &ram_list.blocks, next) { |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 812 | if (!strncmp(id, block->idstr, sizeof(id))) { |
Orit Wasserman | 3a697f6 | 2012-06-19 18:43:15 +0300 | [diff] [blame] | 813 | if (block->length != length) { |
| 814 | ret = -EINVAL; |
| 815 | goto done; |
| 816 | } |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 817 | break; |
| 818 | } |
| 819 | } |
| 820 | |
| 821 | if (!block) { |
Alex Williamson | fb787f8 | 2010-07-02 11:13:29 -0600 | [diff] [blame] | 822 | fprintf(stderr, "Unknown ramblock \"%s\", cannot " |
| 823 | "accept migration\n", id); |
Orit Wasserman | 3a697f6 | 2012-06-19 18:43:15 +0300 | [diff] [blame] | 824 | ret = -EINVAL; |
| 825 | goto done; |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 826 | } |
| 827 | |
| 828 | total_ram_bytes -= length; |
| 829 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 830 | } |
| 831 | } |
| 832 | |
| 833 | if (flags & RAM_SAVE_FLAG_COMPRESS) { |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 834 | void *host; |
| 835 | uint8_t ch; |
| 836 | |
Avi Kivity | f09f218 | 2011-12-21 13:37:56 +0200 | [diff] [blame] | 837 | host = host_from_stream_offset(f, addr, flags); |
Michael S. Tsirkin | 492fb99 | 2010-10-17 20:43:40 +0200 | [diff] [blame] | 838 | if (!host) { |
| 839 | return -EINVAL; |
| 840 | } |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 841 | |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 842 | ch = qemu_get_byte(f); |
| 843 | memset(host, ch, TARGET_PAGE_SIZE); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 844 | #ifndef _WIN32 |
| 845 | if (ch == 0 && |
David Gibson | 45e6cee | 2012-12-04 11:38:39 +1100 | [diff] [blame] | 846 | (!kvm_enabled() || kvm_has_sync_mmu()) && |
| 847 | getpagesize() <= TARGET_PAGE_SIZE) { |
Andreas Färber | e78815a | 2010-09-25 11:26:05 +0000 | [diff] [blame] | 848 | qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 849 | } |
| 850 | #endif |
| 851 | } else if (flags & RAM_SAVE_FLAG_PAGE) { |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 852 | void *host; |
| 853 | |
Avi Kivity | f09f218 | 2011-12-21 13:37:56 +0200 | [diff] [blame] | 854 | host = host_from_stream_offset(f, addr, flags); |
Orit Wasserman | 0ff1f9f | 2012-06-19 11:51:37 +0300 | [diff] [blame] | 855 | if (!host) { |
| 856 | return -EINVAL; |
| 857 | } |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 858 | |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 859 | qemu_get_buffer(f, host, TARGET_PAGE_SIZE); |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 860 | } else if (flags & RAM_SAVE_FLAG_XBZRLE) { |
Orit Wasserman | 17ad9b3 | 2012-08-06 21:42:53 +0300 | [diff] [blame] | 861 | void *host = host_from_stream_offset(f, addr, flags); |
| 862 | if (!host) { |
| 863 | return -EINVAL; |
| 864 | } |
| 865 | |
| 866 | if (load_xbzrle(f, addr, host) < 0) { |
| 867 | ret = -EINVAL; |
| 868 | goto done; |
| 869 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 870 | } |
Juan Quintela | 42802d4 | 2011-10-05 01:14:46 +0200 | [diff] [blame] | 871 | error = qemu_file_get_error(f); |
| 872 | if (error) { |
Orit Wasserman | 3a697f6 | 2012-06-19 18:43:15 +0300 | [diff] [blame] | 873 | ret = error; |
| 874 | goto done; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 875 | } |
| 876 | } while (!(flags & RAM_SAVE_FLAG_EOS)); |
| 877 | |
Orit Wasserman | 3a697f6 | 2012-06-19 18:43:15 +0300 | [diff] [blame] | 878 | done: |
Igor Mitsyanko | ef37a69 | 2012-09-05 13:04:56 +0400 | [diff] [blame] | 879 | DPRINTF("Completed load of VM with exit code %d seq iteration " |
| 880 | "%" PRIu64 "\n", ret, seq_iter); |
Orit Wasserman | 3a697f6 | 2012-06-19 18:43:15 +0300 | [diff] [blame] | 881 | return ret; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 882 | } |
| 883 | |
Juan Quintela | 7908c78 | 2012-06-26 18:46:10 +0200 | [diff] [blame] | 884 | SaveVMHandlers savevm_ram_handlers = { |
Juan Quintela | d1315aa | 2012-06-28 15:11:57 +0200 | [diff] [blame] | 885 | .save_live_setup = ram_save_setup, |
Juan Quintela | 16310a3 | 2012-06-28 15:31:37 +0200 | [diff] [blame] | 886 | .save_live_iterate = ram_save_iterate, |
| 887 | .save_live_complete = ram_save_complete, |
Juan Quintela | e4ed154 | 2012-09-21 11:18:18 +0200 | [diff] [blame] | 888 | .save_live_pending = ram_save_pending, |
Juan Quintela | 7908c78 | 2012-06-26 18:46:10 +0200 | [diff] [blame] | 889 | .load_state = ram_load, |
Juan Quintela | 9b5bfab | 2012-06-26 19:26:41 +0200 | [diff] [blame] | 890 | .cancel = ram_migration_cancel, |
Juan Quintela | 7908c78 | 2012-06-26 18:46:10 +0200 | [diff] [blame] | 891 | }; |
| 892 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 893 | #ifdef HAS_AUDIO |
Isaku Yamahata | 0dfa5ef | 2011-01-21 19:53:45 +0900 | [diff] [blame] | 894 | struct soundhw { |
| 895 | const char *name; |
| 896 | const char *descr; |
| 897 | int enabled; |
| 898 | int isa; |
| 899 | union { |
Hervé Poussineau | 4a0f031 | 2011-12-15 22:10:01 +0100 | [diff] [blame] | 900 | int (*init_isa) (ISABus *bus); |
Isaku Yamahata | 0dfa5ef | 2011-01-21 19:53:45 +0900 | [diff] [blame] | 901 | int (*init_pci) (PCIBus *bus); |
| 902 | } init; |
| 903 | }; |
| 904 | |
| 905 | static struct soundhw soundhw[] = { |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 906 | #ifdef HAS_AUDIO_CHOICE |
Hervé Poussineau | da12872 | 2012-04-14 22:51:33 +0200 | [diff] [blame] | 907 | #ifdef CONFIG_PCSPK |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 908 | { |
| 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 Hoffmann | d61a4ce | 2010-11-01 13:05:32 +0100 | [diff] [blame] | 981 | #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 Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 991 | #endif /* HAS_AUDIO_CHOICE */ |
| 992 | |
| 993 | { NULL, NULL, 0, 0, { NULL } } |
| 994 | }; |
| 995 | |
| 996 | void select_soundhw(const char *optarg) |
| 997 | { |
| 998 | struct soundhw *c; |
| 999 | |
Peter Maydell | c8057f9 | 2012-08-02 13:45:54 +0100 | [diff] [blame] | 1000 | if (is_help_option(optarg)) { |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 1001 | show_valid_cards: |
| 1002 | |
Peter Maydell | 55d4fd3 | 2012-09-19 14:51:38 +0100 | [diff] [blame] | 1003 | #ifdef HAS_AUDIO_CHOICE |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 1004 | 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 Maydell | 55d4fd3 | 2012-09-19 14:51:38 +0100 | [diff] [blame] | 1009 | #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 Maydell | c8057f9 | 2012-08-02 13:45:54 +0100 | [diff] [blame] | 1013 | exit(!is_help_option(optarg)); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 1014 | } |
| 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 Yamahata | 0dfa5ef | 2011-01-21 19:53:45 +0900 | [diff] [blame] | 1059 | |
Hervé Poussineau | 4a0f031 | 2011-12-15 22:10:01 +0100 | [diff] [blame] | 1060 | void audio_init(ISABus *isa_bus, PCIBus *pci_bus) |
Isaku Yamahata | 0dfa5ef | 2011-01-21 19:53:45 +0900 | [diff] [blame] | 1061 | { |
| 1062 | struct soundhw *c; |
| 1063 | |
| 1064 | for (c = soundhw; c->name; ++c) { |
| 1065 | if (c->enabled) { |
| 1066 | if (c->isa) { |
Hervé Poussineau | 4a0f031 | 2011-12-15 22:10:01 +0100 | [diff] [blame] | 1067 | if (isa_bus) { |
| 1068 | c->init.init_isa(isa_bus); |
Isaku Yamahata | 0dfa5ef | 2011-01-21 19:53:45 +0900 | [diff] [blame] | 1069 | } |
| 1070 | } else { |
| 1071 | if (pci_bus) { |
| 1072 | c->init.init_pci(pci_bus); |
| 1073 | } |
| 1074 | } |
| 1075 | } |
| 1076 | } |
| 1077 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 1078 | #else |
| 1079 | void select_soundhw(const char *optarg) |
| 1080 | { |
| 1081 | } |
Hervé Poussineau | 4a0f031 | 2011-12-15 22:10:01 +0100 | [diff] [blame] | 1082 | void audio_init(ISABus *isa_bus, PCIBus *pci_bus) |
Isaku Yamahata | 0dfa5ef | 2011-01-21 19:53:45 +0900 | [diff] [blame] | 1083 | { |
| 1084 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 1085 | #endif |
| 1086 | |
| 1087 | int 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 | |
| 1109 | void 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 | |
| 1119 | void 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 | |
| 1129 | void cpudef_init(void) |
| 1130 | { |
| 1131 | #if defined(cpudef_setup) |
| 1132 | cpudef_setup(); /* parse cpu definitions in target config file */ |
| 1133 | #endif |
| 1134 | } |
| 1135 | |
| 1136 | int audio_available(void) |
| 1137 | { |
| 1138 | #ifdef HAS_AUDIO |
| 1139 | return 1; |
| 1140 | #else |
| 1141 | return 0; |
| 1142 | #endif |
| 1143 | } |
| 1144 | |
Anthony PERARD | 303d4e8 | 2010-09-21 20:05:31 +0100 | [diff] [blame] | 1145 | int tcg_available(void) |
| 1146 | { |
| 1147 | return 1; |
| 1148 | } |
| 1149 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 1150 | int kvm_available(void) |
| 1151 | { |
| 1152 | #ifdef CONFIG_KVM |
| 1153 | return 1; |
| 1154 | #else |
| 1155 | return 0; |
| 1156 | #endif |
| 1157 | } |
| 1158 | |
| 1159 | int xen_available(void) |
| 1160 | { |
| 1161 | #ifdef CONFIG_XEN |
| 1162 | return 1; |
| 1163 | #else |
| 1164 | return 0; |
| 1165 | #endif |
| 1166 | } |
Daniel P. Berrange | 99afc91 | 2012-08-20 15:31:38 +0100 | [diff] [blame] | 1167 | |
| 1168 | |
| 1169 | TargetInfo *qmp_query_target(Error **errp) |
| 1170 | { |
| 1171 | TargetInfo *info = g_malloc0(sizeof(*info)); |
| 1172 | |
| 1173 | info->arch = TARGET_TYPE; |
| 1174 | |
| 1175 | return info; |
| 1176 | } |