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" |
| 32 | #include "monitor.h" |
| 33 | #include "sysemu.h" |
| 34 | #include "arch_init.h" |
| 35 | #include "audio/audio.h" |
| 36 | #include "hw/pc.h" |
| 37 | #include "hw/pci.h" |
| 38 | #include "hw/audiodev.h" |
| 39 | #include "kvm.h" |
| 40 | #include "migration.h" |
| 41 | #include "net.h" |
| 42 | #include "gdbstub.h" |
| 43 | #include "hw/smbios.h" |
| 44 | |
| 45 | #ifdef TARGET_SPARC |
| 46 | int graphic_width = 1024; |
| 47 | int graphic_height = 768; |
| 48 | int graphic_depth = 8; |
| 49 | #else |
| 50 | int graphic_width = 800; |
| 51 | int graphic_height = 600; |
| 52 | int graphic_depth = 15; |
| 53 | #endif |
| 54 | |
| 55 | const char arch_config_name[] = CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf"; |
| 56 | |
| 57 | #if defined(TARGET_ALPHA) |
| 58 | #define QEMU_ARCH QEMU_ARCH_ALPHA |
| 59 | #elif defined(TARGET_ARM) |
| 60 | #define QEMU_ARCH QEMU_ARCH_ARM |
| 61 | #elif defined(TARGET_CRIS) |
| 62 | #define QEMU_ARCH QEMU_ARCH_CRIS |
| 63 | #elif defined(TARGET_I386) |
| 64 | #define QEMU_ARCH QEMU_ARCH_I386 |
| 65 | #elif defined(TARGET_M68K) |
| 66 | #define QEMU_ARCH QEMU_ARCH_M68K |
| 67 | #elif defined(TARGET_MICROBLAZE) |
| 68 | #define QEMU_ARCH QEMU_ARCH_MICROBLAZE |
| 69 | #elif defined(TARGET_MIPS) |
| 70 | #define QEMU_ARCH QEMU_ARCH_MIPS |
| 71 | #elif defined(TARGET_PPC) |
| 72 | #define QEMU_ARCH QEMU_ARCH_PPC |
| 73 | #elif defined(TARGET_S390X) |
| 74 | #define QEMU_ARCH QEMU_ARCH_S390X |
| 75 | #elif defined(TARGET_SH4) |
| 76 | #define QEMU_ARCH QEMU_ARCH_SH4 |
| 77 | #elif defined(TARGET_SPARC) |
| 78 | #define QEMU_ARCH QEMU_ARCH_SPARC |
| 79 | #endif |
| 80 | |
| 81 | const uint32_t arch_type = QEMU_ARCH; |
| 82 | |
| 83 | /***********************************************************/ |
| 84 | /* ram save/restore */ |
| 85 | |
Yoshiaki Tamura | d20878d | 2010-08-18 13:30:12 +0900 | [diff] [blame] | 86 | #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ |
| 87 | #define RAM_SAVE_FLAG_COMPRESS 0x02 |
| 88 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 |
| 89 | #define RAM_SAVE_FLAG_PAGE 0x08 |
| 90 | #define RAM_SAVE_FLAG_EOS 0x10 |
| 91 | #define RAM_SAVE_FLAG_CONTINUE 0x20 |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 92 | |
| 93 | static int is_dup_page(uint8_t *page, uint8_t ch) |
| 94 | { |
| 95 | uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; |
| 96 | uint32_t *array = (uint32_t *)page; |
| 97 | int i; |
| 98 | |
| 99 | for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { |
| 100 | if (array[i] != val) { |
| 101 | return 0; |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | return 1; |
| 106 | } |
| 107 | |
Alex Williamson | 760e77e | 2010-08-19 10:18:42 -0300 | [diff] [blame] | 108 | static RAMBlock *last_block; |
| 109 | static ram_addr_t last_offset; |
| 110 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 111 | static int ram_save_block(QEMUFile *f) |
| 112 | { |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 113 | RAMBlock *block = last_block; |
| 114 | ram_addr_t offset = last_offset; |
| 115 | ram_addr_t current_addr; |
Pierre Riteau | 3fc250b | 2010-05-12 15:12:44 +0200 | [diff] [blame] | 116 | int bytes_sent = 0; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 117 | |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 118 | if (!block) |
| 119 | block = QLIST_FIRST(&ram_list.blocks); |
| 120 | |
| 121 | current_addr = block->offset + offset; |
| 122 | |
| 123 | do { |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 124 | if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) { |
| 125 | uint8_t *p; |
Alex Williamson | a55bbe3 | 2010-06-25 11:10:05 -0600 | [diff] [blame] | 126 | int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 127 | |
| 128 | cpu_physical_memory_reset_dirty(current_addr, |
| 129 | current_addr + TARGET_PAGE_SIZE, |
| 130 | MIGRATION_DIRTY_FLAG); |
| 131 | |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 132 | p = block->host + offset; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 133 | |
| 134 | if (is_dup_page(p, *p)) { |
Alex Williamson | a55bbe3 | 2010-06-25 11:10:05 -0600 | [diff] [blame] | 135 | qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_COMPRESS); |
| 136 | if (!cont) { |
| 137 | qemu_put_byte(f, strlen(block->idstr)); |
| 138 | qemu_put_buffer(f, (uint8_t *)block->idstr, |
| 139 | strlen(block->idstr)); |
| 140 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 141 | qemu_put_byte(f, *p); |
Pierre Riteau | 3fc250b | 2010-05-12 15:12:44 +0200 | [diff] [blame] | 142 | bytes_sent = 1; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 143 | } else { |
Alex Williamson | a55bbe3 | 2010-06-25 11:10:05 -0600 | [diff] [blame] | 144 | qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_PAGE); |
| 145 | if (!cont) { |
| 146 | qemu_put_byte(f, strlen(block->idstr)); |
| 147 | qemu_put_buffer(f, (uint8_t *)block->idstr, |
| 148 | strlen(block->idstr)); |
| 149 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 150 | qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
Pierre Riteau | 3fc250b | 2010-05-12 15:12:44 +0200 | [diff] [blame] | 151 | bytes_sent = TARGET_PAGE_SIZE; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 152 | } |
| 153 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 154 | break; |
| 155 | } |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 156 | |
| 157 | offset += TARGET_PAGE_SIZE; |
| 158 | if (offset >= block->length) { |
| 159 | offset = 0; |
| 160 | block = QLIST_NEXT(block, next); |
| 161 | if (!block) |
| 162 | block = QLIST_FIRST(&ram_list.blocks); |
| 163 | } |
| 164 | |
| 165 | current_addr = block->offset + offset; |
| 166 | |
| 167 | } while (current_addr != last_block->offset + last_offset); |
| 168 | |
| 169 | last_block = block; |
| 170 | last_offset = offset; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 171 | |
Pierre Riteau | 3fc250b | 2010-05-12 15:12:44 +0200 | [diff] [blame] | 172 | return bytes_sent; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 173 | } |
| 174 | |
| 175 | static uint64_t bytes_transferred; |
| 176 | |
| 177 | static ram_addr_t ram_save_remaining(void) |
| 178 | { |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 179 | RAMBlock *block; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 180 | ram_addr_t count = 0; |
| 181 | |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 182 | QLIST_FOREACH(block, &ram_list.blocks, next) { |
| 183 | ram_addr_t addr; |
| 184 | for (addr = block->offset; addr < block->offset + block->length; |
| 185 | addr += TARGET_PAGE_SIZE) { |
| 186 | if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) { |
| 187 | count++; |
| 188 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 189 | } |
| 190 | } |
| 191 | |
| 192 | return count; |
| 193 | } |
| 194 | |
| 195 | uint64_t ram_bytes_remaining(void) |
| 196 | { |
| 197 | return ram_save_remaining() * TARGET_PAGE_SIZE; |
| 198 | } |
| 199 | |
| 200 | uint64_t ram_bytes_transferred(void) |
| 201 | { |
| 202 | return bytes_transferred; |
| 203 | } |
| 204 | |
| 205 | uint64_t ram_bytes_total(void) |
| 206 | { |
Alex Williamson | d17b528 | 2010-06-25 11:08:38 -0600 | [diff] [blame] | 207 | RAMBlock *block; |
| 208 | uint64_t total = 0; |
| 209 | |
| 210 | QLIST_FOREACH(block, &ram_list.blocks, next) |
| 211 | total += block->length; |
| 212 | |
| 213 | return total; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 214 | } |
| 215 | |
Michael S. Tsirkin | b2e0a13 | 2010-11-22 19:52:34 +0200 | [diff] [blame] | 216 | static int block_compar(const void *a, const void *b) |
| 217 | { |
| 218 | RAMBlock * const *ablock = a; |
| 219 | RAMBlock * const *bblock = b; |
| 220 | if ((*ablock)->offset < (*bblock)->offset) { |
| 221 | return -1; |
| 222 | } else if ((*ablock)->offset > (*bblock)->offset) { |
| 223 | return 1; |
| 224 | } |
| 225 | return 0; |
| 226 | } |
| 227 | |
| 228 | static void sort_ram_list(void) |
| 229 | { |
| 230 | RAMBlock *block, *nblock, **blocks; |
| 231 | int n; |
| 232 | n = 0; |
| 233 | QLIST_FOREACH(block, &ram_list.blocks, next) { |
| 234 | ++n; |
| 235 | } |
| 236 | blocks = qemu_malloc(n * sizeof *blocks); |
| 237 | n = 0; |
| 238 | QLIST_FOREACH_SAFE(block, &ram_list.blocks, next, nblock) { |
| 239 | blocks[n++] = block; |
| 240 | QLIST_REMOVE(block, next); |
| 241 | } |
| 242 | qsort(blocks, n, sizeof *blocks, block_compar); |
| 243 | while (--n >= 0) { |
| 244 | QLIST_INSERT_HEAD(&ram_list.blocks, blocks[n], next); |
| 245 | } |
| 246 | qemu_free(blocks); |
| 247 | } |
| 248 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 249 | int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque) |
| 250 | { |
| 251 | ram_addr_t addr; |
| 252 | uint64_t bytes_transferred_last; |
| 253 | double bwidth = 0; |
| 254 | uint64_t expected_time = 0; |
| 255 | |
| 256 | if (stage < 0) { |
| 257 | cpu_physical_memory_set_dirty_tracking(0); |
| 258 | return 0; |
| 259 | } |
| 260 | |
| 261 | if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) { |
| 262 | qemu_file_set_error(f); |
| 263 | return 0; |
| 264 | } |
| 265 | |
| 266 | if (stage == 1) { |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 267 | RAMBlock *block; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 268 | bytes_transferred = 0; |
Alex Williamson | 760e77e | 2010-08-19 10:18:42 -0300 | [diff] [blame] | 269 | last_block = NULL; |
| 270 | last_offset = 0; |
Michael S. Tsirkin | b2e0a13 | 2010-11-22 19:52:34 +0200 | [diff] [blame] | 271 | sort_ram_list(); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 272 | |
| 273 | /* Make sure all dirty bits are set */ |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 274 | QLIST_FOREACH(block, &ram_list.blocks, next) { |
| 275 | for (addr = block->offset; addr < block->offset + block->length; |
| 276 | addr += TARGET_PAGE_SIZE) { |
| 277 | if (!cpu_physical_memory_get_dirty(addr, |
| 278 | MIGRATION_DIRTY_FLAG)) { |
| 279 | cpu_physical_memory_set_dirty(addr); |
| 280 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 281 | } |
| 282 | } |
| 283 | |
| 284 | /* Enable dirty memory tracking */ |
| 285 | cpu_physical_memory_set_dirty_tracking(1); |
| 286 | |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 287 | qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE); |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 288 | |
| 289 | QLIST_FOREACH(block, &ram_list.blocks, next) { |
| 290 | qemu_put_byte(f, strlen(block->idstr)); |
| 291 | qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr)); |
| 292 | qemu_put_be64(f, block->length); |
| 293 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 294 | } |
| 295 | |
| 296 | bytes_transferred_last = bytes_transferred; |
| 297 | bwidth = qemu_get_clock_ns(rt_clock); |
| 298 | |
| 299 | while (!qemu_file_rate_limit(f)) { |
Pierre Riteau | 3fc250b | 2010-05-12 15:12:44 +0200 | [diff] [blame] | 300 | int bytes_sent; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 301 | |
Pierre Riteau | 3fc250b | 2010-05-12 15:12:44 +0200 | [diff] [blame] | 302 | bytes_sent = ram_save_block(f); |
| 303 | bytes_transferred += bytes_sent; |
| 304 | if (bytes_sent == 0) { /* no more blocks */ |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 305 | break; |
| 306 | } |
| 307 | } |
| 308 | |
| 309 | bwidth = qemu_get_clock_ns(rt_clock) - bwidth; |
| 310 | bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; |
| 311 | |
| 312 | /* if we haven't transferred anything this round, force expected_time to a |
| 313 | * a very high value, but without crashing */ |
| 314 | if (bwidth == 0) { |
| 315 | bwidth = 0.000001; |
| 316 | } |
| 317 | |
| 318 | /* try transferring iterative blocks of memory */ |
| 319 | if (stage == 3) { |
Pierre Riteau | 3fc250b | 2010-05-12 15:12:44 +0200 | [diff] [blame] | 320 | int bytes_sent; |
| 321 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 322 | /* flush all remaining blocks regardless of rate limiting */ |
Pierre Riteau | 3fc250b | 2010-05-12 15:12:44 +0200 | [diff] [blame] | 323 | while ((bytes_sent = ram_save_block(f)) != 0) { |
| 324 | bytes_transferred += bytes_sent; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 325 | } |
| 326 | cpu_physical_memory_set_dirty_tracking(0); |
| 327 | } |
| 328 | |
| 329 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
| 330 | |
| 331 | expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; |
| 332 | |
| 333 | return (stage == 2) && (expected_time <= migrate_max_downtime()); |
| 334 | } |
| 335 | |
Alex Williamson | a55bbe3 | 2010-06-25 11:10:05 -0600 | [diff] [blame] | 336 | static inline void *host_from_stream_offset(QEMUFile *f, |
| 337 | ram_addr_t offset, |
| 338 | int flags) |
| 339 | { |
| 340 | static RAMBlock *block = NULL; |
| 341 | char id[256]; |
| 342 | uint8_t len; |
| 343 | |
| 344 | if (flags & RAM_SAVE_FLAG_CONTINUE) { |
| 345 | if (!block) { |
| 346 | fprintf(stderr, "Ack, bad migration stream!\n"); |
| 347 | return NULL; |
| 348 | } |
| 349 | |
| 350 | return block->host + offset; |
| 351 | } |
| 352 | |
| 353 | len = qemu_get_byte(f); |
| 354 | qemu_get_buffer(f, (uint8_t *)id, len); |
| 355 | id[len] = 0; |
| 356 | |
| 357 | QLIST_FOREACH(block, &ram_list.blocks, next) { |
| 358 | if (!strncmp(id, block->idstr, sizeof(id))) |
| 359 | return block->host + offset; |
| 360 | } |
| 361 | |
| 362 | fprintf(stderr, "Can't find block %s!\n", id); |
| 363 | return NULL; |
| 364 | } |
| 365 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 366 | int ram_load(QEMUFile *f, void *opaque, int version_id) |
| 367 | { |
| 368 | ram_addr_t addr; |
| 369 | int flags; |
| 370 | |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 371 | if (version_id < 3 || version_id > 4) { |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 372 | return -EINVAL; |
| 373 | } |
| 374 | |
| 375 | do { |
| 376 | addr = qemu_get_be64(f); |
| 377 | |
| 378 | flags = addr & ~TARGET_PAGE_MASK; |
| 379 | addr &= TARGET_PAGE_MASK; |
| 380 | |
| 381 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 382 | if (version_id == 3) { |
| 383 | if (addr != ram_bytes_total()) { |
| 384 | return -EINVAL; |
| 385 | } |
| 386 | } else { |
| 387 | /* Synchronize RAM block list */ |
| 388 | char id[256]; |
| 389 | ram_addr_t length; |
| 390 | ram_addr_t total_ram_bytes = addr; |
| 391 | |
| 392 | while (total_ram_bytes) { |
| 393 | RAMBlock *block; |
| 394 | uint8_t len; |
| 395 | |
| 396 | len = qemu_get_byte(f); |
| 397 | qemu_get_buffer(f, (uint8_t *)id, len); |
| 398 | id[len] = 0; |
| 399 | length = qemu_get_be64(f); |
| 400 | |
| 401 | QLIST_FOREACH(block, &ram_list.blocks, next) { |
| 402 | if (!strncmp(id, block->idstr, sizeof(id))) { |
| 403 | if (block->length != length) |
| 404 | return -EINVAL; |
| 405 | break; |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | if (!block) { |
Alex Williamson | fb787f8 | 2010-07-02 11:13:29 -0600 | [diff] [blame] | 410 | fprintf(stderr, "Unknown ramblock \"%s\", cannot " |
| 411 | "accept migration\n", id); |
| 412 | return -EINVAL; |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 413 | } |
| 414 | |
| 415 | total_ram_bytes -= length; |
| 416 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 417 | } |
| 418 | } |
| 419 | |
| 420 | if (flags & RAM_SAVE_FLAG_COMPRESS) { |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 421 | void *host; |
| 422 | uint8_t ch; |
| 423 | |
Alex Williamson | a55bbe3 | 2010-06-25 11:10:05 -0600 | [diff] [blame] | 424 | if (version_id == 3) |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 425 | host = qemu_get_ram_ptr(addr); |
Alex Williamson | a55bbe3 | 2010-06-25 11:10:05 -0600 | [diff] [blame] | 426 | else |
| 427 | host = host_from_stream_offset(f, addr, flags); |
Michael S. Tsirkin | 492fb99 | 2010-10-17 20:43:40 +0200 | [diff] [blame] | 428 | if (!host) { |
| 429 | return -EINVAL; |
| 430 | } |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 431 | |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 432 | ch = qemu_get_byte(f); |
| 433 | memset(host, ch, TARGET_PAGE_SIZE); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 434 | #ifndef _WIN32 |
| 435 | if (ch == 0 && |
| 436 | (!kvm_enabled() || kvm_has_sync_mmu())) { |
Andreas Färber | e78815a | 2010-09-25 11:26:05 +0000 | [diff] [blame] | 437 | qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 438 | } |
| 439 | #endif |
| 440 | } else if (flags & RAM_SAVE_FLAG_PAGE) { |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 441 | void *host; |
| 442 | |
Alex Williamson | a55bbe3 | 2010-06-25 11:10:05 -0600 | [diff] [blame] | 443 | if (version_id == 3) |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 444 | host = qemu_get_ram_ptr(addr); |
Alex Williamson | a55bbe3 | 2010-06-25 11:10:05 -0600 | [diff] [blame] | 445 | else |
| 446 | host = host_from_stream_offset(f, addr, flags); |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 447 | |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 448 | qemu_get_buffer(f, host, TARGET_PAGE_SIZE); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 449 | } |
| 450 | if (qemu_file_has_error(f)) { |
| 451 | return -EIO; |
| 452 | } |
| 453 | } while (!(flags & RAM_SAVE_FLAG_EOS)); |
| 454 | |
| 455 | return 0; |
| 456 | } |
| 457 | |
| 458 | void qemu_service_io(void) |
| 459 | { |
| 460 | qemu_notify_event(); |
| 461 | } |
| 462 | |
| 463 | #ifdef HAS_AUDIO |
Isaku Yamahata | 0dfa5ef | 2011-01-21 19:53:45 +0900 | [diff] [blame] | 464 | struct soundhw { |
| 465 | const char *name; |
| 466 | const char *descr; |
| 467 | int enabled; |
| 468 | int isa; |
| 469 | union { |
| 470 | int (*init_isa) (qemu_irq *pic); |
| 471 | int (*init_pci) (PCIBus *bus); |
| 472 | } init; |
| 473 | }; |
| 474 | |
| 475 | static struct soundhw soundhw[] = { |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 476 | #ifdef HAS_AUDIO_CHOICE |
| 477 | #if defined(TARGET_I386) || defined(TARGET_MIPS) |
| 478 | { |
| 479 | "pcspk", |
| 480 | "PC speaker", |
| 481 | 0, |
| 482 | 1, |
| 483 | { .init_isa = pcspk_audio_init } |
| 484 | }, |
| 485 | #endif |
| 486 | |
| 487 | #ifdef CONFIG_SB16 |
| 488 | { |
| 489 | "sb16", |
| 490 | "Creative Sound Blaster 16", |
| 491 | 0, |
| 492 | 1, |
| 493 | { .init_isa = SB16_init } |
| 494 | }, |
| 495 | #endif |
| 496 | |
| 497 | #ifdef CONFIG_CS4231A |
| 498 | { |
| 499 | "cs4231a", |
| 500 | "CS4231A", |
| 501 | 0, |
| 502 | 1, |
| 503 | { .init_isa = cs4231a_init } |
| 504 | }, |
| 505 | #endif |
| 506 | |
| 507 | #ifdef CONFIG_ADLIB |
| 508 | { |
| 509 | "adlib", |
| 510 | #ifdef HAS_YMF262 |
| 511 | "Yamaha YMF262 (OPL3)", |
| 512 | #else |
| 513 | "Yamaha YM3812 (OPL2)", |
| 514 | #endif |
| 515 | 0, |
| 516 | 1, |
| 517 | { .init_isa = Adlib_init } |
| 518 | }, |
| 519 | #endif |
| 520 | |
| 521 | #ifdef CONFIG_GUS |
| 522 | { |
| 523 | "gus", |
| 524 | "Gravis Ultrasound GF1", |
| 525 | 0, |
| 526 | 1, |
| 527 | { .init_isa = GUS_init } |
| 528 | }, |
| 529 | #endif |
| 530 | |
| 531 | #ifdef CONFIG_AC97 |
| 532 | { |
| 533 | "ac97", |
| 534 | "Intel 82801AA AC97 Audio", |
| 535 | 0, |
| 536 | 0, |
| 537 | { .init_pci = ac97_init } |
| 538 | }, |
| 539 | #endif |
| 540 | |
| 541 | #ifdef CONFIG_ES1370 |
| 542 | { |
| 543 | "es1370", |
| 544 | "ENSONIQ AudioPCI ES1370", |
| 545 | 0, |
| 546 | 0, |
| 547 | { .init_pci = es1370_init } |
| 548 | }, |
| 549 | #endif |
| 550 | |
Gerd Hoffmann | d61a4ce | 2010-11-01 13:05:32 +0100 | [diff] [blame] | 551 | #ifdef CONFIG_HDA |
| 552 | { |
| 553 | "hda", |
| 554 | "Intel HD Audio", |
| 555 | 0, |
| 556 | 0, |
| 557 | { .init_pci = intel_hda_and_codec_init } |
| 558 | }, |
| 559 | #endif |
| 560 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 561 | #endif /* HAS_AUDIO_CHOICE */ |
| 562 | |
| 563 | { NULL, NULL, 0, 0, { NULL } } |
| 564 | }; |
| 565 | |
| 566 | void select_soundhw(const char *optarg) |
| 567 | { |
| 568 | struct soundhw *c; |
| 569 | |
| 570 | if (*optarg == '?') { |
| 571 | show_valid_cards: |
| 572 | |
| 573 | printf("Valid sound card names (comma separated):\n"); |
| 574 | for (c = soundhw; c->name; ++c) { |
| 575 | printf ("%-11s %s\n", c->name, c->descr); |
| 576 | } |
| 577 | printf("\n-soundhw all will enable all of the above\n"); |
| 578 | exit(*optarg != '?'); |
| 579 | } |
| 580 | else { |
| 581 | size_t l; |
| 582 | const char *p; |
| 583 | char *e; |
| 584 | int bad_card = 0; |
| 585 | |
| 586 | if (!strcmp(optarg, "all")) { |
| 587 | for (c = soundhw; c->name; ++c) { |
| 588 | c->enabled = 1; |
| 589 | } |
| 590 | return; |
| 591 | } |
| 592 | |
| 593 | p = optarg; |
| 594 | while (*p) { |
| 595 | e = strchr(p, ','); |
| 596 | l = !e ? strlen(p) : (size_t) (e - p); |
| 597 | |
| 598 | for (c = soundhw; c->name; ++c) { |
| 599 | if (!strncmp(c->name, p, l) && !c->name[l]) { |
| 600 | c->enabled = 1; |
| 601 | break; |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | if (!c->name) { |
| 606 | if (l > 80) { |
| 607 | fprintf(stderr, |
| 608 | "Unknown sound card name (too big to show)\n"); |
| 609 | } |
| 610 | else { |
| 611 | fprintf(stderr, "Unknown sound card name `%.*s'\n", |
| 612 | (int) l, p); |
| 613 | } |
| 614 | bad_card = 1; |
| 615 | } |
| 616 | p += l + (e != NULL); |
| 617 | } |
| 618 | |
| 619 | if (bad_card) { |
| 620 | goto show_valid_cards; |
| 621 | } |
| 622 | } |
| 623 | } |
Isaku Yamahata | 0dfa5ef | 2011-01-21 19:53:45 +0900 | [diff] [blame] | 624 | |
| 625 | void audio_init(qemu_irq *isa_pic, PCIBus *pci_bus) |
| 626 | { |
| 627 | struct soundhw *c; |
| 628 | |
| 629 | for (c = soundhw; c->name; ++c) { |
| 630 | if (c->enabled) { |
| 631 | if (c->isa) { |
| 632 | if (isa_pic) { |
| 633 | c->init.init_isa(isa_pic); |
| 634 | } |
| 635 | } else { |
| 636 | if (pci_bus) { |
| 637 | c->init.init_pci(pci_bus); |
| 638 | } |
| 639 | } |
| 640 | } |
| 641 | } |
| 642 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 643 | #else |
| 644 | void select_soundhw(const char *optarg) |
| 645 | { |
| 646 | } |
Isaku Yamahata | 0dfa5ef | 2011-01-21 19:53:45 +0900 | [diff] [blame] | 647 | void audio_init(qemu_irq *isa_pic, PCIBus *pci_bus) |
| 648 | { |
| 649 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 650 | #endif |
| 651 | |
| 652 | int qemu_uuid_parse(const char *str, uint8_t *uuid) |
| 653 | { |
| 654 | int ret; |
| 655 | |
| 656 | if (strlen(str) != 36) { |
| 657 | return -1; |
| 658 | } |
| 659 | |
| 660 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], |
| 661 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], |
| 662 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], |
| 663 | &uuid[15]); |
| 664 | |
| 665 | if (ret != 16) { |
| 666 | return -1; |
| 667 | } |
| 668 | #ifdef TARGET_I386 |
| 669 | smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); |
| 670 | #endif |
| 671 | return 0; |
| 672 | } |
| 673 | |
| 674 | void do_acpitable_option(const char *optarg) |
| 675 | { |
| 676 | #ifdef TARGET_I386 |
| 677 | if (acpi_table_add(optarg) < 0) { |
| 678 | fprintf(stderr, "Wrong acpi table provided\n"); |
| 679 | exit(1); |
| 680 | } |
| 681 | #endif |
| 682 | } |
| 683 | |
| 684 | void do_smbios_option(const char *optarg) |
| 685 | { |
| 686 | #ifdef TARGET_I386 |
| 687 | if (smbios_entry_add(optarg) < 0) { |
| 688 | fprintf(stderr, "Wrong smbios provided\n"); |
| 689 | exit(1); |
| 690 | } |
| 691 | #endif |
| 692 | } |
| 693 | |
| 694 | void cpudef_init(void) |
| 695 | { |
| 696 | #if defined(cpudef_setup) |
| 697 | cpudef_setup(); /* parse cpu definitions in target config file */ |
| 698 | #endif |
| 699 | } |
| 700 | |
| 701 | int audio_available(void) |
| 702 | { |
| 703 | #ifdef HAS_AUDIO |
| 704 | return 1; |
| 705 | #else |
| 706 | return 0; |
| 707 | #endif |
| 708 | } |
| 709 | |
| 710 | int kvm_available(void) |
| 711 | { |
| 712 | #ifdef CONFIG_KVM |
| 713 | return 1; |
| 714 | #else |
| 715 | return 0; |
| 716 | #endif |
| 717 | } |
| 718 | |
| 719 | int xen_available(void) |
| 720 | { |
| 721 | #ifdef CONFIG_XEN |
| 722 | return 1; |
| 723 | #else |
| 724 | return 0; |
| 725 | #endif |
| 726 | } |