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" |
Avi Kivity | 86e775c | 2011-12-15 16:24:49 +0200 | [diff] [blame] | 44 | #include "exec-memory.h" |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 45 | |
| 46 | #ifdef TARGET_SPARC |
| 47 | int graphic_width = 1024; |
| 48 | int graphic_height = 768; |
| 49 | int graphic_depth = 8; |
| 50 | #else |
| 51 | int graphic_width = 800; |
| 52 | int graphic_height = 600; |
| 53 | int graphic_depth = 15; |
| 54 | #endif |
| 55 | |
| 56 | const char arch_config_name[] = CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf"; |
| 57 | |
| 58 | #if defined(TARGET_ALPHA) |
| 59 | #define QEMU_ARCH QEMU_ARCH_ALPHA |
| 60 | #elif defined(TARGET_ARM) |
| 61 | #define QEMU_ARCH QEMU_ARCH_ARM |
| 62 | #elif defined(TARGET_CRIS) |
| 63 | #define QEMU_ARCH QEMU_ARCH_CRIS |
| 64 | #elif defined(TARGET_I386) |
| 65 | #define QEMU_ARCH QEMU_ARCH_I386 |
| 66 | #elif defined(TARGET_M68K) |
| 67 | #define QEMU_ARCH QEMU_ARCH_M68K |
Michael Walle | 81ea0e1 | 2011-02-17 23:45:02 +0100 | [diff] [blame] | 68 | #elif defined(TARGET_LM32) |
| 69 | #define QEMU_ARCH QEMU_ARCH_LM32 |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 70 | #elif defined(TARGET_MICROBLAZE) |
| 71 | #define QEMU_ARCH QEMU_ARCH_MICROBLAZE |
| 72 | #elif defined(TARGET_MIPS) |
| 73 | #define QEMU_ARCH QEMU_ARCH_MIPS |
| 74 | #elif defined(TARGET_PPC) |
| 75 | #define QEMU_ARCH QEMU_ARCH_PPC |
| 76 | #elif defined(TARGET_S390X) |
| 77 | #define QEMU_ARCH QEMU_ARCH_S390X |
| 78 | #elif defined(TARGET_SH4) |
| 79 | #define QEMU_ARCH QEMU_ARCH_SH4 |
| 80 | #elif defined(TARGET_SPARC) |
| 81 | #define QEMU_ARCH QEMU_ARCH_SPARC |
Max Filippov | 2328826 | 2011-09-06 03:55:25 +0400 | [diff] [blame] | 82 | #elif defined(TARGET_XTENSA) |
| 83 | #define QEMU_ARCH QEMU_ARCH_XTENSA |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 84 | #endif |
| 85 | |
| 86 | const uint32_t arch_type = QEMU_ARCH; |
| 87 | |
| 88 | /***********************************************************/ |
| 89 | /* ram save/restore */ |
| 90 | |
Yoshiaki Tamura | d20878d | 2010-08-18 13:30:12 +0900 | [diff] [blame] | 91 | #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ |
| 92 | #define RAM_SAVE_FLAG_COMPRESS 0x02 |
| 93 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 |
| 94 | #define RAM_SAVE_FLAG_PAGE 0x08 |
| 95 | #define RAM_SAVE_FLAG_EOS 0x10 |
| 96 | #define RAM_SAVE_FLAG_CONTINUE 0x20 |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 97 | |
Paolo Bonzini | 8600361 | 2011-12-23 16:17:26 +0100 | [diff] [blame^] | 98 | #ifdef __ALTIVEC__ |
| 99 | #include <altivec.h> |
| 100 | #define VECTYPE vector unsigned char |
| 101 | #define SPLAT(p) vec_splat(vec_ld(0, p), 0) |
| 102 | #define ALL_EQ(v1, v2) vec_all_eq(v1, v2) |
| 103 | #elif defined __SSE2__ |
| 104 | #include <emmintrin.h> |
| 105 | #define VECTYPE __m128i |
| 106 | #define SPLAT(p) _mm_set1_epi8(*(p)) |
| 107 | #define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF) |
| 108 | #else |
| 109 | #define VECTYPE unsigned long |
| 110 | #define SPLAT(p) (*(p) * (~0UL / 255)) |
| 111 | #define ALL_EQ(v1, v2) ((v1) == (v2)) |
| 112 | #endif |
| 113 | |
| 114 | static int is_dup_page(uint8_t *page) |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 115 | { |
Paolo Bonzini | 8600361 | 2011-12-23 16:17:26 +0100 | [diff] [blame^] | 116 | VECTYPE *p = (VECTYPE *)page; |
| 117 | VECTYPE val = SPLAT(page); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 118 | int i; |
| 119 | |
Paolo Bonzini | 8600361 | 2011-12-23 16:17:26 +0100 | [diff] [blame^] | 120 | for (i = 0; i < TARGET_PAGE_SIZE / sizeof(VECTYPE); i++) { |
| 121 | if (!ALL_EQ(val, p[i])) { |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 122 | return 0; |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | return 1; |
| 127 | } |
| 128 | |
Alex Williamson | 760e77e | 2010-08-19 10:18:42 -0300 | [diff] [blame] | 129 | static RAMBlock *last_block; |
| 130 | static ram_addr_t last_offset; |
| 131 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 132 | static int ram_save_block(QEMUFile *f) |
| 133 | { |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 134 | RAMBlock *block = last_block; |
| 135 | ram_addr_t offset = last_offset; |
Pierre Riteau | 3fc250b | 2010-05-12 15:12:44 +0200 | [diff] [blame] | 136 | int bytes_sent = 0; |
Avi Kivity | 71c510e | 2011-12-21 13:11:22 +0200 | [diff] [blame] | 137 | MemoryRegion *mr; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 138 | |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 139 | if (!block) |
| 140 | block = QLIST_FIRST(&ram_list.blocks); |
| 141 | |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 142 | do { |
Avi Kivity | 71c510e | 2011-12-21 13:11:22 +0200 | [diff] [blame] | 143 | mr = block->mr; |
| 144 | if (memory_region_get_dirty(mr, offset, DIRTY_MEMORY_MIGRATION)) { |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 145 | uint8_t *p; |
Alex Williamson | a55bbe3 | 2010-06-25 11:10:05 -0600 | [diff] [blame] | 146 | int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 147 | |
Avi Kivity | 71c510e | 2011-12-21 13:11:22 +0200 | [diff] [blame] | 148 | memory_region_reset_dirty(mr, offset, TARGET_PAGE_SIZE, |
| 149 | DIRTY_MEMORY_MIGRATION); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 150 | |
Avi Kivity | 71c510e | 2011-12-21 13:11:22 +0200 | [diff] [blame] | 151 | p = memory_region_get_ram_ptr(mr) + offset; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 152 | |
Paolo Bonzini | 8600361 | 2011-12-23 16:17:26 +0100 | [diff] [blame^] | 153 | if (is_dup_page(p)) { |
Alex Williamson | a55bbe3 | 2010-06-25 11:10:05 -0600 | [diff] [blame] | 154 | qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_COMPRESS); |
| 155 | if (!cont) { |
| 156 | qemu_put_byte(f, strlen(block->idstr)); |
| 157 | qemu_put_buffer(f, (uint8_t *)block->idstr, |
| 158 | strlen(block->idstr)); |
| 159 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 160 | qemu_put_byte(f, *p); |
Pierre Riteau | 3fc250b | 2010-05-12 15:12:44 +0200 | [diff] [blame] | 161 | bytes_sent = 1; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 162 | } else { |
Alex Williamson | a55bbe3 | 2010-06-25 11:10:05 -0600 | [diff] [blame] | 163 | qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_PAGE); |
| 164 | if (!cont) { |
| 165 | qemu_put_byte(f, strlen(block->idstr)); |
| 166 | qemu_put_buffer(f, (uint8_t *)block->idstr, |
| 167 | strlen(block->idstr)); |
| 168 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 169 | qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
Pierre Riteau | 3fc250b | 2010-05-12 15:12:44 +0200 | [diff] [blame] | 170 | bytes_sent = TARGET_PAGE_SIZE; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 171 | } |
| 172 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 173 | break; |
| 174 | } |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 175 | |
| 176 | offset += TARGET_PAGE_SIZE; |
| 177 | if (offset >= block->length) { |
| 178 | offset = 0; |
| 179 | block = QLIST_NEXT(block, next); |
| 180 | if (!block) |
| 181 | block = QLIST_FIRST(&ram_list.blocks); |
| 182 | } |
Avi Kivity | 71c510e | 2011-12-21 13:11:22 +0200 | [diff] [blame] | 183 | } while (block != last_block || offset != last_offset); |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 184 | |
| 185 | last_block = block; |
| 186 | last_offset = offset; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 187 | |
Pierre Riteau | 3fc250b | 2010-05-12 15:12:44 +0200 | [diff] [blame] | 188 | return bytes_sent; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 189 | } |
| 190 | |
| 191 | static uint64_t bytes_transferred; |
| 192 | |
| 193 | static ram_addr_t ram_save_remaining(void) |
| 194 | { |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 195 | RAMBlock *block; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 196 | ram_addr_t count = 0; |
| 197 | |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 198 | QLIST_FOREACH(block, &ram_list.blocks, next) { |
| 199 | ram_addr_t addr; |
Avi Kivity | 71c510e | 2011-12-21 13:11:22 +0200 | [diff] [blame] | 200 | for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) { |
| 201 | if (memory_region_get_dirty(block->mr, addr, |
| 202 | DIRTY_MEMORY_MIGRATION)) { |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 203 | count++; |
| 204 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 205 | } |
| 206 | } |
| 207 | |
| 208 | return count; |
| 209 | } |
| 210 | |
| 211 | uint64_t ram_bytes_remaining(void) |
| 212 | { |
| 213 | return ram_save_remaining() * TARGET_PAGE_SIZE; |
| 214 | } |
| 215 | |
| 216 | uint64_t ram_bytes_transferred(void) |
| 217 | { |
| 218 | return bytes_transferred; |
| 219 | } |
| 220 | |
| 221 | uint64_t ram_bytes_total(void) |
| 222 | { |
Alex Williamson | d17b528 | 2010-06-25 11:08:38 -0600 | [diff] [blame] | 223 | RAMBlock *block; |
| 224 | uint64_t total = 0; |
| 225 | |
| 226 | QLIST_FOREACH(block, &ram_list.blocks, next) |
| 227 | total += block->length; |
| 228 | |
| 229 | return total; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 230 | } |
| 231 | |
Michael S. Tsirkin | b2e0a13 | 2010-11-22 19:52:34 +0200 | [diff] [blame] | 232 | static int block_compar(const void *a, const void *b) |
| 233 | { |
| 234 | RAMBlock * const *ablock = a; |
| 235 | RAMBlock * const *bblock = b; |
Avi Kivity | 8fec98b | 2011-12-21 13:22:16 +0200 | [diff] [blame] | 236 | |
| 237 | return strcmp((*ablock)->idstr, (*bblock)->idstr); |
Michael S. Tsirkin | b2e0a13 | 2010-11-22 19:52:34 +0200 | [diff] [blame] | 238 | } |
| 239 | |
| 240 | static void sort_ram_list(void) |
| 241 | { |
| 242 | RAMBlock *block, *nblock, **blocks; |
| 243 | int n; |
| 244 | n = 0; |
| 245 | QLIST_FOREACH(block, &ram_list.blocks, next) { |
| 246 | ++n; |
| 247 | } |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 248 | blocks = g_malloc(n * sizeof *blocks); |
Michael S. Tsirkin | b2e0a13 | 2010-11-22 19:52:34 +0200 | [diff] [blame] | 249 | n = 0; |
| 250 | QLIST_FOREACH_SAFE(block, &ram_list.blocks, next, nblock) { |
| 251 | blocks[n++] = block; |
| 252 | QLIST_REMOVE(block, next); |
| 253 | } |
| 254 | qsort(blocks, n, sizeof *blocks, block_compar); |
| 255 | while (--n >= 0) { |
| 256 | QLIST_INSERT_HEAD(&ram_list.blocks, blocks[n], next); |
| 257 | } |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 258 | g_free(blocks); |
Michael S. Tsirkin | b2e0a13 | 2010-11-22 19:52:34 +0200 | [diff] [blame] | 259 | } |
| 260 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 261 | int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque) |
| 262 | { |
| 263 | ram_addr_t addr; |
| 264 | uint64_t bytes_transferred_last; |
| 265 | double bwidth = 0; |
| 266 | uint64_t expected_time = 0; |
Juan Quintela | 2975725 | 2011-10-19 15:22:18 +0200 | [diff] [blame] | 267 | int ret; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 268 | |
| 269 | if (stage < 0) { |
Avi Kivity | 8f77558 | 2011-12-21 14:14:07 +0200 | [diff] [blame] | 270 | memory_global_dirty_log_stop(); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 271 | return 0; |
| 272 | } |
| 273 | |
Avi Kivity | 86e775c | 2011-12-15 16:24:49 +0200 | [diff] [blame] | 274 | memory_global_sync_dirty_bitmap(get_system_memory()); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 275 | |
| 276 | if (stage == 1) { |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 277 | RAMBlock *block; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 278 | bytes_transferred = 0; |
Alex Williamson | 760e77e | 2010-08-19 10:18:42 -0300 | [diff] [blame] | 279 | last_block = NULL; |
| 280 | last_offset = 0; |
Michael S. Tsirkin | b2e0a13 | 2010-11-22 19:52:34 +0200 | [diff] [blame] | 281 | sort_ram_list(); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 282 | |
| 283 | /* Make sure all dirty bits are set */ |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 284 | QLIST_FOREACH(block, &ram_list.blocks, next) { |
Avi Kivity | 71c510e | 2011-12-21 13:11:22 +0200 | [diff] [blame] | 285 | for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) { |
| 286 | if (!memory_region_get_dirty(block->mr, addr, |
| 287 | DIRTY_MEMORY_MIGRATION)) { |
| 288 | memory_region_set_dirty(block->mr, addr); |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 289 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 290 | } |
| 291 | } |
| 292 | |
Avi Kivity | 8f77558 | 2011-12-21 14:14:07 +0200 | [diff] [blame] | 293 | memory_global_dirty_log_start(); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 294 | |
Alex Williamson | e44359c | 2010-06-25 11:09:57 -0600 | [diff] [blame] | 295 | qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE); |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 296 | |
| 297 | QLIST_FOREACH(block, &ram_list.blocks, next) { |
| 298 | qemu_put_byte(f, strlen(block->idstr)); |
| 299 | qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr)); |
| 300 | qemu_put_be64(f, block->length); |
| 301 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 302 | } |
| 303 | |
| 304 | bytes_transferred_last = bytes_transferred; |
| 305 | bwidth = qemu_get_clock_ns(rt_clock); |
| 306 | |
Juan Quintela | 2975725 | 2011-10-19 15:22:18 +0200 | [diff] [blame] | 307 | while ((ret = qemu_file_rate_limit(f)) == 0) { |
Pierre Riteau | 3fc250b | 2010-05-12 15:12:44 +0200 | [diff] [blame] | 308 | int bytes_sent; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 309 | |
Pierre Riteau | 3fc250b | 2010-05-12 15:12:44 +0200 | [diff] [blame] | 310 | bytes_sent = ram_save_block(f); |
| 311 | bytes_transferred += bytes_sent; |
| 312 | if (bytes_sent == 0) { /* no more blocks */ |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 313 | break; |
| 314 | } |
| 315 | } |
| 316 | |
Juan Quintela | 2975725 | 2011-10-19 15:22:18 +0200 | [diff] [blame] | 317 | if (ret < 0) { |
| 318 | return ret; |
| 319 | } |
| 320 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 321 | bwidth = qemu_get_clock_ns(rt_clock) - bwidth; |
| 322 | bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; |
| 323 | |
| 324 | /* if we haven't transferred anything this round, force expected_time to a |
| 325 | * a very high value, but without crashing */ |
| 326 | if (bwidth == 0) { |
| 327 | bwidth = 0.000001; |
| 328 | } |
| 329 | |
| 330 | /* try transferring iterative blocks of memory */ |
| 331 | if (stage == 3) { |
Pierre Riteau | 3fc250b | 2010-05-12 15:12:44 +0200 | [diff] [blame] | 332 | int bytes_sent; |
| 333 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 334 | /* flush all remaining blocks regardless of rate limiting */ |
Pierre Riteau | 3fc250b | 2010-05-12 15:12:44 +0200 | [diff] [blame] | 335 | while ((bytes_sent = ram_save_block(f)) != 0) { |
| 336 | bytes_transferred += bytes_sent; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 337 | } |
Avi Kivity | 8f77558 | 2011-12-21 14:14:07 +0200 | [diff] [blame] | 338 | memory_global_dirty_log_stop(); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 339 | } |
| 340 | |
| 341 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
| 342 | |
| 343 | expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; |
| 344 | |
| 345 | return (stage == 2) && (expected_time <= migrate_max_downtime()); |
| 346 | } |
| 347 | |
Alex Williamson | a55bbe3 | 2010-06-25 11:10:05 -0600 | [diff] [blame] | 348 | static inline void *host_from_stream_offset(QEMUFile *f, |
| 349 | ram_addr_t offset, |
| 350 | int flags) |
| 351 | { |
| 352 | static RAMBlock *block = NULL; |
| 353 | char id[256]; |
| 354 | uint8_t len; |
| 355 | |
| 356 | if (flags & RAM_SAVE_FLAG_CONTINUE) { |
| 357 | if (!block) { |
| 358 | fprintf(stderr, "Ack, bad migration stream!\n"); |
| 359 | return NULL; |
| 360 | } |
| 361 | |
Avi Kivity | dc94a7e | 2011-12-21 13:54:33 +0200 | [diff] [blame] | 362 | return memory_region_get_ram_ptr(block->mr) + offset; |
Alex Williamson | a55bbe3 | 2010-06-25 11:10:05 -0600 | [diff] [blame] | 363 | } |
| 364 | |
| 365 | len = qemu_get_byte(f); |
| 366 | qemu_get_buffer(f, (uint8_t *)id, len); |
| 367 | id[len] = 0; |
| 368 | |
| 369 | QLIST_FOREACH(block, &ram_list.blocks, next) { |
| 370 | if (!strncmp(id, block->idstr, sizeof(id))) |
Avi Kivity | dc94a7e | 2011-12-21 13:54:33 +0200 | [diff] [blame] | 371 | return memory_region_get_ram_ptr(block->mr) + offset; |
Alex Williamson | a55bbe3 | 2010-06-25 11:10:05 -0600 | [diff] [blame] | 372 | } |
| 373 | |
| 374 | fprintf(stderr, "Can't find block %s!\n", id); |
| 375 | return NULL; |
| 376 | } |
| 377 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 378 | int ram_load(QEMUFile *f, void *opaque, int version_id) |
| 379 | { |
| 380 | ram_addr_t addr; |
| 381 | int flags; |
Juan Quintela | 42802d4 | 2011-10-05 01:14:46 +0200 | [diff] [blame] | 382 | int error; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 383 | |
Avi Kivity | f09f218 | 2011-12-21 13:37:56 +0200 | [diff] [blame] | 384 | if (version_id < 4 || version_id > 4) { |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 385 | return -EINVAL; |
| 386 | } |
| 387 | |
| 388 | do { |
| 389 | addr = qemu_get_be64(f); |
| 390 | |
| 391 | flags = addr & ~TARGET_PAGE_MASK; |
| 392 | addr &= TARGET_PAGE_MASK; |
| 393 | |
| 394 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { |
Avi Kivity | f09f218 | 2011-12-21 13:37:56 +0200 | [diff] [blame] | 395 | if (version_id == 4) { |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 396 | /* Synchronize RAM block list */ |
| 397 | char id[256]; |
| 398 | ram_addr_t length; |
| 399 | ram_addr_t total_ram_bytes = addr; |
| 400 | |
| 401 | while (total_ram_bytes) { |
| 402 | RAMBlock *block; |
| 403 | uint8_t len; |
| 404 | |
| 405 | len = qemu_get_byte(f); |
| 406 | qemu_get_buffer(f, (uint8_t *)id, len); |
| 407 | id[len] = 0; |
| 408 | length = qemu_get_be64(f); |
| 409 | |
| 410 | QLIST_FOREACH(block, &ram_list.blocks, next) { |
| 411 | if (!strncmp(id, block->idstr, sizeof(id))) { |
| 412 | if (block->length != length) |
| 413 | return -EINVAL; |
| 414 | break; |
| 415 | } |
| 416 | } |
| 417 | |
| 418 | if (!block) { |
Alex Williamson | fb787f8 | 2010-07-02 11:13:29 -0600 | [diff] [blame] | 419 | fprintf(stderr, "Unknown ramblock \"%s\", cannot " |
| 420 | "accept migration\n", id); |
| 421 | return -EINVAL; |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 422 | } |
| 423 | |
| 424 | total_ram_bytes -= length; |
| 425 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 426 | } |
| 427 | } |
| 428 | |
| 429 | if (flags & RAM_SAVE_FLAG_COMPRESS) { |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 430 | void *host; |
| 431 | uint8_t ch; |
| 432 | |
Avi Kivity | f09f218 | 2011-12-21 13:37:56 +0200 | [diff] [blame] | 433 | host = host_from_stream_offset(f, addr, flags); |
Michael S. Tsirkin | 492fb99 | 2010-10-17 20:43:40 +0200 | [diff] [blame] | 434 | if (!host) { |
| 435 | return -EINVAL; |
| 436 | } |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 437 | |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 438 | ch = qemu_get_byte(f); |
| 439 | memset(host, ch, TARGET_PAGE_SIZE); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 440 | #ifndef _WIN32 |
| 441 | if (ch == 0 && |
| 442 | (!kvm_enabled() || kvm_has_sync_mmu())) { |
Andreas Färber | e78815a | 2010-09-25 11:26:05 +0000 | [diff] [blame] | 443 | qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 444 | } |
| 445 | #endif |
| 446 | } else if (flags & RAM_SAVE_FLAG_PAGE) { |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 447 | void *host; |
| 448 | |
Avi Kivity | f09f218 | 2011-12-21 13:37:56 +0200 | [diff] [blame] | 449 | host = host_from_stream_offset(f, addr, flags); |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 450 | |
Alex Williamson | 97ab12d | 2010-06-25 11:09:50 -0600 | [diff] [blame] | 451 | qemu_get_buffer(f, host, TARGET_PAGE_SIZE); |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 452 | } |
Juan Quintela | 42802d4 | 2011-10-05 01:14:46 +0200 | [diff] [blame] | 453 | error = qemu_file_get_error(f); |
| 454 | if (error) { |
| 455 | return error; |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 456 | } |
| 457 | } while (!(flags & RAM_SAVE_FLAG_EOS)); |
| 458 | |
| 459 | return 0; |
| 460 | } |
| 461 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 462 | #ifdef HAS_AUDIO |
Isaku Yamahata | 0dfa5ef | 2011-01-21 19:53:45 +0900 | [diff] [blame] | 463 | struct soundhw { |
| 464 | const char *name; |
| 465 | const char *descr; |
| 466 | int enabled; |
| 467 | int isa; |
| 468 | union { |
Hervé Poussineau | 4a0f031 | 2011-12-15 22:10:01 +0100 | [diff] [blame] | 469 | int (*init_isa) (ISABus *bus); |
Isaku Yamahata | 0dfa5ef | 2011-01-21 19:53:45 +0900 | [diff] [blame] | 470 | int (*init_pci) (PCIBus *bus); |
| 471 | } init; |
| 472 | }; |
| 473 | |
| 474 | static struct soundhw soundhw[] = { |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 475 | #ifdef HAS_AUDIO_CHOICE |
| 476 | #if defined(TARGET_I386) || defined(TARGET_MIPS) |
| 477 | { |
| 478 | "pcspk", |
| 479 | "PC speaker", |
| 480 | 0, |
| 481 | 1, |
| 482 | { .init_isa = pcspk_audio_init } |
| 483 | }, |
| 484 | #endif |
| 485 | |
| 486 | #ifdef CONFIG_SB16 |
| 487 | { |
| 488 | "sb16", |
| 489 | "Creative Sound Blaster 16", |
| 490 | 0, |
| 491 | 1, |
| 492 | { .init_isa = SB16_init } |
| 493 | }, |
| 494 | #endif |
| 495 | |
| 496 | #ifdef CONFIG_CS4231A |
| 497 | { |
| 498 | "cs4231a", |
| 499 | "CS4231A", |
| 500 | 0, |
| 501 | 1, |
| 502 | { .init_isa = cs4231a_init } |
| 503 | }, |
| 504 | #endif |
| 505 | |
| 506 | #ifdef CONFIG_ADLIB |
| 507 | { |
| 508 | "adlib", |
| 509 | #ifdef HAS_YMF262 |
| 510 | "Yamaha YMF262 (OPL3)", |
| 511 | #else |
| 512 | "Yamaha YM3812 (OPL2)", |
| 513 | #endif |
| 514 | 0, |
| 515 | 1, |
| 516 | { .init_isa = Adlib_init } |
| 517 | }, |
| 518 | #endif |
| 519 | |
| 520 | #ifdef CONFIG_GUS |
| 521 | { |
| 522 | "gus", |
| 523 | "Gravis Ultrasound GF1", |
| 524 | 0, |
| 525 | 1, |
| 526 | { .init_isa = GUS_init } |
| 527 | }, |
| 528 | #endif |
| 529 | |
| 530 | #ifdef CONFIG_AC97 |
| 531 | { |
| 532 | "ac97", |
| 533 | "Intel 82801AA AC97 Audio", |
| 534 | 0, |
| 535 | 0, |
| 536 | { .init_pci = ac97_init } |
| 537 | }, |
| 538 | #endif |
| 539 | |
| 540 | #ifdef CONFIG_ES1370 |
| 541 | { |
| 542 | "es1370", |
| 543 | "ENSONIQ AudioPCI ES1370", |
| 544 | 0, |
| 545 | 0, |
| 546 | { .init_pci = es1370_init } |
| 547 | }, |
| 548 | #endif |
| 549 | |
Gerd Hoffmann | d61a4ce | 2010-11-01 13:05:32 +0100 | [diff] [blame] | 550 | #ifdef CONFIG_HDA |
| 551 | { |
| 552 | "hda", |
| 553 | "Intel HD Audio", |
| 554 | 0, |
| 555 | 0, |
| 556 | { .init_pci = intel_hda_and_codec_init } |
| 557 | }, |
| 558 | #endif |
| 559 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 560 | #endif /* HAS_AUDIO_CHOICE */ |
| 561 | |
| 562 | { NULL, NULL, 0, 0, { NULL } } |
| 563 | }; |
| 564 | |
| 565 | void select_soundhw(const char *optarg) |
| 566 | { |
| 567 | struct soundhw *c; |
| 568 | |
| 569 | if (*optarg == '?') { |
| 570 | show_valid_cards: |
| 571 | |
| 572 | printf("Valid sound card names (comma separated):\n"); |
| 573 | for (c = soundhw; c->name; ++c) { |
| 574 | printf ("%-11s %s\n", c->name, c->descr); |
| 575 | } |
| 576 | printf("\n-soundhw all will enable all of the above\n"); |
| 577 | exit(*optarg != '?'); |
| 578 | } |
| 579 | else { |
| 580 | size_t l; |
| 581 | const char *p; |
| 582 | char *e; |
| 583 | int bad_card = 0; |
| 584 | |
| 585 | if (!strcmp(optarg, "all")) { |
| 586 | for (c = soundhw; c->name; ++c) { |
| 587 | c->enabled = 1; |
| 588 | } |
| 589 | return; |
| 590 | } |
| 591 | |
| 592 | p = optarg; |
| 593 | while (*p) { |
| 594 | e = strchr(p, ','); |
| 595 | l = !e ? strlen(p) : (size_t) (e - p); |
| 596 | |
| 597 | for (c = soundhw; c->name; ++c) { |
| 598 | if (!strncmp(c->name, p, l) && !c->name[l]) { |
| 599 | c->enabled = 1; |
| 600 | break; |
| 601 | } |
| 602 | } |
| 603 | |
| 604 | if (!c->name) { |
| 605 | if (l > 80) { |
| 606 | fprintf(stderr, |
| 607 | "Unknown sound card name (too big to show)\n"); |
| 608 | } |
| 609 | else { |
| 610 | fprintf(stderr, "Unknown sound card name `%.*s'\n", |
| 611 | (int) l, p); |
| 612 | } |
| 613 | bad_card = 1; |
| 614 | } |
| 615 | p += l + (e != NULL); |
| 616 | } |
| 617 | |
| 618 | if (bad_card) { |
| 619 | goto show_valid_cards; |
| 620 | } |
| 621 | } |
| 622 | } |
Isaku Yamahata | 0dfa5ef | 2011-01-21 19:53:45 +0900 | [diff] [blame] | 623 | |
Hervé Poussineau | 4a0f031 | 2011-12-15 22:10:01 +0100 | [diff] [blame] | 624 | void audio_init(ISABus *isa_bus, PCIBus *pci_bus) |
Isaku Yamahata | 0dfa5ef | 2011-01-21 19:53:45 +0900 | [diff] [blame] | 625 | { |
| 626 | struct soundhw *c; |
| 627 | |
| 628 | for (c = soundhw; c->name; ++c) { |
| 629 | if (c->enabled) { |
| 630 | if (c->isa) { |
Hervé Poussineau | 4a0f031 | 2011-12-15 22:10:01 +0100 | [diff] [blame] | 631 | if (isa_bus) { |
| 632 | c->init.init_isa(isa_bus); |
Isaku Yamahata | 0dfa5ef | 2011-01-21 19:53:45 +0900 | [diff] [blame] | 633 | } |
| 634 | } else { |
| 635 | if (pci_bus) { |
| 636 | c->init.init_pci(pci_bus); |
| 637 | } |
| 638 | } |
| 639 | } |
| 640 | } |
| 641 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 642 | #else |
| 643 | void select_soundhw(const char *optarg) |
| 644 | { |
| 645 | } |
Hervé Poussineau | 4a0f031 | 2011-12-15 22:10:01 +0100 | [diff] [blame] | 646 | void audio_init(ISABus *isa_bus, PCIBus *pci_bus) |
Isaku Yamahata | 0dfa5ef | 2011-01-21 19:53:45 +0900 | [diff] [blame] | 647 | { |
| 648 | } |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 649 | #endif |
| 650 | |
| 651 | int qemu_uuid_parse(const char *str, uint8_t *uuid) |
| 652 | { |
| 653 | int ret; |
| 654 | |
| 655 | if (strlen(str) != 36) { |
| 656 | return -1; |
| 657 | } |
| 658 | |
| 659 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], |
| 660 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], |
| 661 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], |
| 662 | &uuid[15]); |
| 663 | |
| 664 | if (ret != 16) { |
| 665 | return -1; |
| 666 | } |
| 667 | #ifdef TARGET_I386 |
| 668 | smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); |
| 669 | #endif |
| 670 | return 0; |
| 671 | } |
| 672 | |
| 673 | void do_acpitable_option(const char *optarg) |
| 674 | { |
| 675 | #ifdef TARGET_I386 |
| 676 | if (acpi_table_add(optarg) < 0) { |
| 677 | fprintf(stderr, "Wrong acpi table provided\n"); |
| 678 | exit(1); |
| 679 | } |
| 680 | #endif |
| 681 | } |
| 682 | |
| 683 | void do_smbios_option(const char *optarg) |
| 684 | { |
| 685 | #ifdef TARGET_I386 |
| 686 | if (smbios_entry_add(optarg) < 0) { |
| 687 | fprintf(stderr, "Wrong smbios provided\n"); |
| 688 | exit(1); |
| 689 | } |
| 690 | #endif |
| 691 | } |
| 692 | |
| 693 | void cpudef_init(void) |
| 694 | { |
| 695 | #if defined(cpudef_setup) |
| 696 | cpudef_setup(); /* parse cpu definitions in target config file */ |
| 697 | #endif |
| 698 | } |
| 699 | |
| 700 | int audio_available(void) |
| 701 | { |
| 702 | #ifdef HAS_AUDIO |
| 703 | return 1; |
| 704 | #else |
| 705 | return 0; |
| 706 | #endif |
| 707 | } |
| 708 | |
Anthony PERARD | 303d4e8 | 2010-09-21 20:05:31 +0100 | [diff] [blame] | 709 | int tcg_available(void) |
| 710 | { |
| 711 | return 1; |
| 712 | } |
| 713 | |
Blue Swirl | ad96090 | 2010-03-29 19:23:52 +0000 | [diff] [blame] | 714 | int kvm_available(void) |
| 715 | { |
| 716 | #ifdef CONFIG_KVM |
| 717 | return 1; |
| 718 | #else |
| 719 | return 0; |
| 720 | #endif |
| 721 | } |
| 722 | |
| 723 | int xen_available(void) |
| 724 | { |
| 725 | #ifdef CONFIG_XEN |
| 726 | return 1; |
| 727 | #else |
| 728 | return 0; |
| 729 | #endif |
| 730 | } |