Juan Quintela | 7b1e1a2 | 2017-04-17 20:26:27 +0200 | [diff] [blame] | 1 | /* |
| 2 | * QEMU System Emulator |
| 3 | * |
| 4 | * Copyright (c) 2003-2008 Fabrice Bellard |
| 5 | * Copyright (c) 2011-2015 Red Hat Inc |
| 6 | * |
| 7 | * Authors: |
| 8 | * Juan Quintela <quintela@redhat.com> |
| 9 | * |
| 10 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 11 | * of this software and associated documentation files (the "Software"), to deal |
| 12 | * in the Software without restriction, including without limitation the rights |
| 13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 14 | * copies of the Software, and to permit persons to whom the Software is |
| 15 | * furnished to do so, subject to the following conditions: |
| 16 | * |
| 17 | * The above copyright notice and this permission notice shall be included in |
| 18 | * all copies or substantial portions of the Software. |
| 19 | * |
| 20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 23 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 26 | * THE SOFTWARE. |
| 27 | */ |
| 28 | |
| 29 | #ifndef QEMU_MIGRATION_RAM_H |
| 30 | #define QEMU_MIGRATION_RAM_H |
| 31 | |
Markus Armbruster | 9af2398 | 2018-02-11 10:36:01 +0100 | [diff] [blame] | 32 | #include "qapi/qapi-types-migration.h" |
Juan Quintela | 7b1e1a2 | 2017-04-17 20:26:27 +0200 | [diff] [blame] | 33 | #include "exec/cpu-common.h" |
Juan Quintela | 71bb07d | 2018-02-19 19:01:03 +0100 | [diff] [blame] | 34 | #include "io/channel.h" |
Juan Quintela | 7b1e1a2 | 2017-04-17 20:26:27 +0200 | [diff] [blame] | 35 | |
Juan Quintela | 9360447 | 2017-06-06 19:49:03 +0200 | [diff] [blame] | 36 | extern MigrationStats ram_counters; |
| 37 | extern XBZRLECacheStats xbzrle_counters; |
Xiao Guangrong | 76e0300 | 2018-09-06 15:01:00 +0800 | [diff] [blame] | 38 | extern CompressionStats compression_counters; |
Juan Quintela | 9360447 | 2017-06-06 19:49:03 +0200 | [diff] [blame] | 39 | |
Juan Quintela | c9dede2 | 2017-10-06 23:03:55 +0200 | [diff] [blame] | 40 | int xbzrle_cache_resize(int64_t new_size, Error **errp); |
Juan Quintela | 7b1e1a2 | 2017-04-17 20:26:27 +0200 | [diff] [blame] | 41 | uint64_t ram_bytes_remaining(void); |
Juan Quintela | 7b1e1a2 | 2017-04-17 20:26:27 +0200 | [diff] [blame] | 42 | uint64_t ram_bytes_total(void); |
| 43 | |
Juan Quintela | 7b1e1a2 | 2017-04-17 20:26:27 +0200 | [diff] [blame] | 44 | uint64_t ram_pagesize_summary(void); |
Juan Quintela | 7b1e1a2 | 2017-04-17 20:26:27 +0200 | [diff] [blame] | 45 | int ram_save_queue_pages(const char *rbname, ram_addr_t start, ram_addr_t len); |
| 46 | void acct_update_position(QEMUFile *f, size_t size, bool zero); |
Juan Quintela | 7b1e1a2 | 2017-04-17 20:26:27 +0200 | [diff] [blame] | 47 | void ram_debug_dump_bitmap(unsigned long *todump, bool expected, |
| 48 | unsigned long pages); |
| 49 | void ram_postcopy_migrated_memory_release(MigrationState *ms); |
| 50 | /* For outgoing discard bitmap */ |
| 51 | int ram_postcopy_send_discard_bitmap(MigrationState *ms); |
| 52 | /* For incoming postcopy discard */ |
| 53 | int ram_discard_range(const char *block_name, uint64_t start, size_t length); |
| 54 | int ram_postcopy_incoming_init(MigrationIncomingState *mis); |
| 55 | |
| 56 | void ram_handle_compressed(void *host, uint8_t ch, uint64_t size); |
Alexey Perevalov | f949461 | 2017-10-05 14:13:20 +0300 | [diff] [blame] | 57 | |
| 58 | int ramblock_recv_bitmap_test(RAMBlock *rb, void *host_addr); |
Dr. David Alan Gilbert | 1cba9f6 | 2018-03-12 17:21:08 +0000 | [diff] [blame] | 59 | bool ramblock_recv_bitmap_test_byte_offset(RAMBlock *rb, uint64_t byte_offset); |
Alexey Perevalov | f949461 | 2017-10-05 14:13:20 +0300 | [diff] [blame] | 60 | void ramblock_recv_bitmap_set(RAMBlock *rb, void *host_addr); |
| 61 | void ramblock_recv_bitmap_set_range(RAMBlock *rb, void *host_addr, size_t nr); |
Peter Xu | a335deb | 2018-05-02 18:47:28 +0800 | [diff] [blame] | 62 | int64_t ramblock_recv_bitmap_send(QEMUFile *file, |
| 63 | const char *block_name); |
| 64 | int ram_dirty_bitmap_reload(MigrationState *s, RAMBlock *rb); |
Alexey Perevalov | f949461 | 2017-10-05 14:13:20 +0300 | [diff] [blame] | 65 | |
Zhang Chen | 13af18f | 2018-09-03 12:38:48 +0800 | [diff] [blame] | 66 | /* ram cache */ |
| 67 | int colo_init_ram_cache(void); |
Lukas Straub | 24fa16f | 2020-05-11 13:10:51 +0200 | [diff] [blame] | 68 | void colo_flush_ram_cache(void); |
Zhang Chen | 13af18f | 2018-09-03 12:38:48 +0800 | [diff] [blame] | 69 | void colo_release_ram_cache(void); |
zhanghailiang | 0393031 | 2020-02-24 14:54:10 +0800 | [diff] [blame] | 70 | void colo_incoming_start_dirty_log(void); |
Zhang Chen | 13af18f | 2018-09-03 12:38:48 +0800 | [diff] [blame] | 71 | |
Juan Quintela | 7b1e1a2 | 2017-04-17 20:26:27 +0200 | [diff] [blame] | 72 | #endif |