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authorJuan Quintela <quintela@redhat.com>2017-04-24 20:07:27 +0200
committerJuan Quintela <quintela@redhat.com>2017-06-13 11:00:45 +0200
commit6666c96aac9151568736226dec99aa8acb14d07c (patch)
tree4cbf369d8eb33dfa4ca462ab27dc8956bcb879bf /include/migration
parentc4b63b7cc5e566448498d0daa7059a27a9d3bf00 (diff)
migration: Move migration.h to migration/
Nothing uses it outside of migration.h Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Diffstat (limited to 'include/migration')
-rw-r--r--include/migration/migration.h164
1 files changed, 0 insertions, 164 deletions
diff --git a/include/migration/migration.h b/include/migration/migration.h
deleted file mode 100644
index 601e4ab354..0000000000
--- a/include/migration/migration.h
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * QEMU live migration
- *
- * Copyright IBM, Corp. 2008
- *
- * Authors:
- * Anthony Liguori <aliguori@us.ibm.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2. See
- * the COPYING file in the top-level directory.
- *
- */
-
-#ifndef QEMU_MIGRATION_H
-#define QEMU_MIGRATION_H
-
-#include "qapi/qmp/qdict.h"
-#include "qemu-common.h"
-#include "qemu/thread.h"
-#include "qemu/notify.h"
-#include "qapi-types.h"
-#include "exec/cpu-common.h"
-#include "qemu/coroutine_int.h"
-
-/* State for the incoming migration */
-struct MigrationIncomingState {
- QEMUFile *from_src_file;
-
- /*
- * Free at the start of the main state load, set as the main thread finishes
- * loading state.
- */
- QemuEvent main_thread_load_event;
-
- size_t largest_page_size;
- bool have_fault_thread;
- QemuThread fault_thread;
- QemuSemaphore fault_thread_sem;
-
- bool have_listen_thread;
- QemuThread listen_thread;
- QemuSemaphore listen_thread_sem;
-
- /* For the kernel to send us notifications */
- int userfault_fd;
- /* To tell the fault_thread to quit */
- int userfault_quit_fd;
- QEMUFile *to_src_file;
- QemuMutex rp_mutex; /* We send replies from multiple threads */
- void *postcopy_tmp_page;
- void *postcopy_tmp_zero_page;
-
- QEMUBH *bh;
-
- int state;
-
- bool have_colo_incoming_thread;
- QemuThread colo_incoming_thread;
- /* The coroutine we should enter (back) after failover */
- Coroutine *migration_incoming_co;
- QemuSemaphore colo_incoming_sem;
-};
-
-MigrationIncomingState *migration_incoming_get_current(void);
-void migration_incoming_state_destroy(void);
-
-struct MigrationState
-{
- size_t bytes_xfer;
- size_t xfer_limit;
- QemuThread thread;
- QEMUBH *cleanup_bh;
- QEMUFile *to_dst_file;
-
- /* params from 'migrate-set-parameters' */
- MigrationParameters parameters;
-
- int state;
-
- /* State related to return path */
- struct {
- QEMUFile *from_dst_file;
- QemuThread rp_thread;
- bool error;
- } rp_state;
-
- double mbps;
- int64_t total_time;
- int64_t downtime;
- int64_t expected_downtime;
- bool enabled_capabilities[MIGRATION_CAPABILITY__MAX];
- int64_t xbzrle_cache_size;
- int64_t setup_time;
-
- /* Flag set once the migration has been asked to enter postcopy */
- bool start_postcopy;
- /* Flag set after postcopy has sent the device state */
- bool postcopy_after_devices;
-
- /* Flag set once the migration thread is running (and needs joining) */
- bool migration_thread_running;
-
- /* Flag set once the migration thread called bdrv_inactivate_all */
- bool block_inactive;
-
- /* The semaphore is used to notify COLO thread that failover is finished */
- QemuSemaphore colo_exit_sem;
-
- /* The semaphore is used to notify COLO thread to do checkpoint */
- QemuSemaphore colo_checkpoint_sem;
- int64_t colo_checkpoint_time;
- QEMUTimer *colo_delay_timer;
-
- /* The last error that occurred */
- Error *error;
- /* Do we have to clean up -b/-i from old migrate parameters */
- /* This feature is deprecated and will be removed */
- bool must_remove_block_options;
-};
-
-void migrate_set_state(int *state, int old_state, int new_state);
-
-void migration_fd_process_incoming(QEMUFile *f);
-
-uint64_t migrate_max_downtime(void);
-
-void migrate_fd_error(MigrationState *s, const Error *error);
-
-void migrate_fd_connect(MigrationState *s);
-
-MigrationState *migrate_init(void);
-bool migration_is_blocked(Error **errp);
-/* True if outgoing migration has entered postcopy phase */
-bool migration_in_postcopy(void);
-MigrationState *migrate_get_current(void);
-
-bool migrate_release_ram(void);
-bool migrate_postcopy_ram(void);
-bool migrate_zero_blocks(void);
-
-bool migrate_auto_converge(void);
-
-int migrate_use_xbzrle(void);
-int64_t migrate_xbzrle_cache_size(void);
-bool migrate_colo_enabled(void);
-
-bool migrate_use_block(void);
-bool migrate_use_block_incremental(void);
-
-bool migrate_use_compression(void);
-int migrate_compress_level(void);
-int migrate_compress_threads(void);
-int migrate_decompress_threads(void);
-bool migrate_use_events(void);
-
-/* Sending on the return path - generic and then for each message type */
-void migrate_send_rp_shut(MigrationIncomingState *mis,
- uint32_t value);
-void migrate_send_rp_pong(MigrationIncomingState *mis,
- uint32_t value);
-void migrate_send_rp_req_pages(MigrationIncomingState *mis, const char* rbname,
- ram_addr_t start, size_t len);
-
-#endif