diff options
Diffstat (limited to 'migration/ram.h')
-rw-r--r-- | migration/ram.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/migration/ram.h b/migration/ram.h new file mode 100644 index 0000000000..c9563d10ac --- /dev/null +++ b/migration/ram.h @@ -0,0 +1,70 @@ +/* + * QEMU System Emulator + * + * Copyright (c) 2003-2008 Fabrice Bellard + * Copyright (c) 2011-2015 Red Hat Inc + * + * Authors: + * Juan Quintela <quintela@redhat.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef QEMU_MIGRATION_RAM_H +#define QEMU_MIGRATION_RAM_H + +#include "qemu-common.h" +#include "exec/cpu-common.h" + +int64_t xbzrle_cache_resize(int64_t new_size); +uint64_t dup_mig_pages_transferred(void); +uint64_t norm_mig_pages_transferred(void); +uint64_t xbzrle_mig_bytes_transferred(void); +uint64_t xbzrle_mig_pages_transferred(void); +uint64_t xbzrle_mig_pages_cache_miss(void); +double xbzrle_mig_cache_miss_rate(void); +uint64_t xbzrle_mig_pages_overflow(void); +uint64_t ram_bytes_transferred(void); +uint64_t ram_bytes_remaining(void); +uint64_t ram_dirty_sync_count(void); +uint64_t ram_dirty_pages_rate(void); +uint64_t ram_postcopy_requests(void); +uint64_t ram_bytes_total(void); + +void migrate_compress_threads_create(void); +void migrate_compress_threads_join(void); +void migrate_decompress_threads_create(void); +void migrate_decompress_threads_join(void); + +uint64_t ram_pagesize_summary(void); +void migration_page_queue_free(void); +int ram_save_queue_pages(const char *rbname, ram_addr_t start, ram_addr_t len); +void acct_update_position(QEMUFile *f, size_t size, bool zero); +void free_xbzrle_decoded_buf(void); +void ram_debug_dump_bitmap(unsigned long *todump, bool expected, + unsigned long pages); +void ram_postcopy_migrated_memory_release(MigrationState *ms); +/* For outgoing discard bitmap */ +int ram_postcopy_send_discard_bitmap(MigrationState *ms); +/* For incoming postcopy discard */ +int ram_discard_range(const char *block_name, uint64_t start, size_t length); +int ram_postcopy_incoming_init(MigrationIncomingState *mis); + +void ram_handle_compressed(void *host, uint8_t ch, uint64_t size); +#endif |