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qemu-kvm/SOURCES/kvm-migration-Move-migratio...

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From 0911e025a9dc8a0c85944ac11fb9df72e5ad0677 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= <clg@redhat.com>
Date: Wed, 12 Jul 2023 17:46:57 +0200
Subject: [PATCH 09/37] migration: Move migration_properties to options.c
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Cédric Le Goater <clg@redhat.com>
RH-MergeRequest: 179: vfio: live migration support
RH-Bugzilla: 2192818
RH-Acked-by: Eric Auger <eric.auger@redhat.com>
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
RH-Commit: [7/28] ff07358afa0c90f13125b177b0e08c74ef1b9905 (clegoate/qemu-kvm-c9s)
Bugzilla: https://bugzilla.redhat.com/2192818
commit f9436522c8dd
Author: Juan Quintela <quintela@redhat.com>
Date: Thu Mar 2 12:55:57 2023 +0100
migration: Move migration_properties to options.c
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
---
migration/migration.c | 157 ------------------------------------------
migration/options.c | 155 +++++++++++++++++++++++++++++++++++++++++
migration/options.h | 7 ++
3 files changed, 162 insertions(+), 157 deletions(-)
diff --git a/migration/migration.c b/migration/migration.c
index 08f87f2b0e..1ac5f19bc2 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -52,8 +52,6 @@
#include "io/channel-tls.h"
#include "migration/colo.h"
#include "hw/boards.h"
-#include "hw/qdev-properties.h"
-#include "hw/qdev-properties-system.h"
#include "monitor/monitor.h"
#include "net/announce.h"
#include "qemu/queue.h"
@@ -65,51 +63,6 @@
#include "sysemu/qtest.h"
#include "options.h"
-#define MAX_THROTTLE (128 << 20) /* Migration transfer speed throttling */
-
-/* Time in milliseconds we are allowed to stop the source,
- * for sending the last part */
-#define DEFAULT_MIGRATE_SET_DOWNTIME 300
-
-/* Default compression thread count */
-#define DEFAULT_MIGRATE_COMPRESS_THREAD_COUNT 8
-/* Default decompression thread count, usually decompression is at
- * least 4 times as fast as compression.*/
-#define DEFAULT_MIGRATE_DECOMPRESS_THREAD_COUNT 2
-/*0: means nocompress, 1: best speed, ... 9: best compress ratio */
-#define DEFAULT_MIGRATE_COMPRESS_LEVEL 1
-/* Define default autoconverge cpu throttle migration parameters */
-#define DEFAULT_MIGRATE_THROTTLE_TRIGGER_THRESHOLD 50
-#define DEFAULT_MIGRATE_CPU_THROTTLE_INITIAL 20
-#define DEFAULT_MIGRATE_CPU_THROTTLE_INCREMENT 10
-#define DEFAULT_MIGRATE_MAX_CPU_THROTTLE 99
-
-/* Migration XBZRLE default cache size */
-#define DEFAULT_MIGRATE_XBZRLE_CACHE_SIZE (64 * 1024 * 1024)
-
-/* The delay time (in ms) between two COLO checkpoints */
-#define DEFAULT_MIGRATE_X_CHECKPOINT_DELAY (200 * 100)
-#define DEFAULT_MIGRATE_MULTIFD_CHANNELS 2
-#define DEFAULT_MIGRATE_MULTIFD_COMPRESSION MULTIFD_COMPRESSION_NONE
-/* 0: means nocompress, 1: best speed, ... 9: best compress ratio */
-#define DEFAULT_MIGRATE_MULTIFD_ZLIB_LEVEL 1
-/* 0: means nocompress, 1: best speed, ... 20: best compress ratio */
-#define DEFAULT_MIGRATE_MULTIFD_ZSTD_LEVEL 1
-
-/* Background transfer rate for postcopy, 0 means unlimited, note
- * that page requests can still exceed this limit.
- */
-#define DEFAULT_MIGRATE_MAX_POSTCOPY_BANDWIDTH 0
-
-/*
- * Parameters for self_announce_delay giving a stream of RARP/ARP
- * packets after migration.
- */
-#define DEFAULT_MIGRATE_ANNOUNCE_INITIAL 50
-#define DEFAULT_MIGRATE_ANNOUNCE_MAX 550
-#define DEFAULT_MIGRATE_ANNOUNCE_ROUNDS 5
-#define DEFAULT_MIGRATE_ANNOUNCE_STEP 100
-
static NotifierList migration_state_notifiers =
NOTIFIER_LIST_INITIALIZER(migration_state_notifiers);
@@ -3336,116 +3289,6 @@ void migrate_fd_connect(MigrationState *s, Error *error_in)
s->migration_thread_running = true;
}
-#define DEFINE_PROP_MIG_CAP(name, x) \
- DEFINE_PROP_BOOL(name, MigrationState, capabilities[x], false)
-
-static Property migration_properties[] = {
- DEFINE_PROP_BOOL("store-global-state", MigrationState,
- store_global_state, true),
- DEFINE_PROP_BOOL("send-configuration", MigrationState,
- send_configuration, true),
- DEFINE_PROP_BOOL("send-section-footer", MigrationState,
- send_section_footer, true),
- DEFINE_PROP_BOOL("decompress-error-check", MigrationState,
- decompress_error_check, true),
- DEFINE_PROP_UINT8("x-clear-bitmap-shift", MigrationState,
- clear_bitmap_shift, CLEAR_BITMAP_SHIFT_DEFAULT),
- DEFINE_PROP_BOOL("x-preempt-pre-7-2", MigrationState,
- preempt_pre_7_2, false),
-
- /* Migration parameters */
- DEFINE_PROP_UINT8("x-compress-level", MigrationState,
- parameters.compress_level,
- DEFAULT_MIGRATE_COMPRESS_LEVEL),
- DEFINE_PROP_UINT8("x-compress-threads", MigrationState,
- parameters.compress_threads,
- DEFAULT_MIGRATE_COMPRESS_THREAD_COUNT),
- DEFINE_PROP_BOOL("x-compress-wait-thread", MigrationState,
- parameters.compress_wait_thread, true),
- DEFINE_PROP_UINT8("x-decompress-threads", MigrationState,
- parameters.decompress_threads,
- DEFAULT_MIGRATE_DECOMPRESS_THREAD_COUNT),
- DEFINE_PROP_UINT8("x-throttle-trigger-threshold", MigrationState,
- parameters.throttle_trigger_threshold,
- DEFAULT_MIGRATE_THROTTLE_TRIGGER_THRESHOLD),
- DEFINE_PROP_UINT8("x-cpu-throttle-initial", MigrationState,
- parameters.cpu_throttle_initial,
- DEFAULT_MIGRATE_CPU_THROTTLE_INITIAL),
- DEFINE_PROP_UINT8("x-cpu-throttle-increment", MigrationState,
- parameters.cpu_throttle_increment,
- DEFAULT_MIGRATE_CPU_THROTTLE_INCREMENT),
- DEFINE_PROP_BOOL("x-cpu-throttle-tailslow", MigrationState,
- parameters.cpu_throttle_tailslow, false),
- DEFINE_PROP_SIZE("x-max-bandwidth", MigrationState,
- parameters.max_bandwidth, MAX_THROTTLE),
- DEFINE_PROP_UINT64("x-downtime-limit", MigrationState,
- parameters.downtime_limit,
- DEFAULT_MIGRATE_SET_DOWNTIME),
- DEFINE_PROP_UINT32("x-checkpoint-delay", MigrationState,
- parameters.x_checkpoint_delay,
- DEFAULT_MIGRATE_X_CHECKPOINT_DELAY),
- DEFINE_PROP_UINT8("multifd-channels", MigrationState,
- parameters.multifd_channels,
- DEFAULT_MIGRATE_MULTIFD_CHANNELS),
- DEFINE_PROP_MULTIFD_COMPRESSION("multifd-compression", MigrationState,
- parameters.multifd_compression,
- DEFAULT_MIGRATE_MULTIFD_COMPRESSION),
- DEFINE_PROP_UINT8("multifd-zlib-level", MigrationState,
- parameters.multifd_zlib_level,
- DEFAULT_MIGRATE_MULTIFD_ZLIB_LEVEL),
- DEFINE_PROP_UINT8("multifd-zstd-level", MigrationState,
- parameters.multifd_zstd_level,
- DEFAULT_MIGRATE_MULTIFD_ZSTD_LEVEL),
- DEFINE_PROP_SIZE("xbzrle-cache-size", MigrationState,
- parameters.xbzrle_cache_size,
- DEFAULT_MIGRATE_XBZRLE_CACHE_SIZE),
- DEFINE_PROP_SIZE("max-postcopy-bandwidth", MigrationState,
- parameters.max_postcopy_bandwidth,
- DEFAULT_MIGRATE_MAX_POSTCOPY_BANDWIDTH),
- DEFINE_PROP_UINT8("max-cpu-throttle", MigrationState,
- parameters.max_cpu_throttle,
- DEFAULT_MIGRATE_MAX_CPU_THROTTLE),
- DEFINE_PROP_SIZE("announce-initial", MigrationState,
- parameters.announce_initial,
- DEFAULT_MIGRATE_ANNOUNCE_INITIAL),
- DEFINE_PROP_SIZE("announce-max", MigrationState,
- parameters.announce_max,
- DEFAULT_MIGRATE_ANNOUNCE_MAX),
- DEFINE_PROP_SIZE("announce-rounds", MigrationState,
- parameters.announce_rounds,
- DEFAULT_MIGRATE_ANNOUNCE_ROUNDS),
- DEFINE_PROP_SIZE("announce-step", MigrationState,
- parameters.announce_step,
- DEFAULT_MIGRATE_ANNOUNCE_STEP),
- DEFINE_PROP_STRING("tls-creds", MigrationState, parameters.tls_creds),
- DEFINE_PROP_STRING("tls-hostname", MigrationState, parameters.tls_hostname),
- DEFINE_PROP_STRING("tls-authz", MigrationState, parameters.tls_authz),
-
- /* Migration capabilities */
- DEFINE_PROP_MIG_CAP("x-xbzrle", MIGRATION_CAPABILITY_XBZRLE),
- DEFINE_PROP_MIG_CAP("x-rdma-pin-all", MIGRATION_CAPABILITY_RDMA_PIN_ALL),
- DEFINE_PROP_MIG_CAP("x-auto-converge", MIGRATION_CAPABILITY_AUTO_CONVERGE),
- DEFINE_PROP_MIG_CAP("x-zero-blocks", MIGRATION_CAPABILITY_ZERO_BLOCKS),
- DEFINE_PROP_MIG_CAP("x-compress", MIGRATION_CAPABILITY_COMPRESS),
- DEFINE_PROP_MIG_CAP("x-events", MIGRATION_CAPABILITY_EVENTS),
- DEFINE_PROP_MIG_CAP("x-postcopy-ram", MIGRATION_CAPABILITY_POSTCOPY_RAM),
- DEFINE_PROP_MIG_CAP("x-postcopy-preempt",
- MIGRATION_CAPABILITY_POSTCOPY_PREEMPT),
- DEFINE_PROP_MIG_CAP("x-colo", MIGRATION_CAPABILITY_X_COLO),
- DEFINE_PROP_MIG_CAP("x-release-ram", MIGRATION_CAPABILITY_RELEASE_RAM),
- DEFINE_PROP_MIG_CAP("x-block", MIGRATION_CAPABILITY_BLOCK),
- DEFINE_PROP_MIG_CAP("x-return-path", MIGRATION_CAPABILITY_RETURN_PATH),
- DEFINE_PROP_MIG_CAP("x-multifd", MIGRATION_CAPABILITY_MULTIFD),
- DEFINE_PROP_MIG_CAP("x-background-snapshot",
- MIGRATION_CAPABILITY_BACKGROUND_SNAPSHOT),
-#ifdef CONFIG_LINUX
- DEFINE_PROP_MIG_CAP("x-zero-copy-send",
- MIGRATION_CAPABILITY_ZERO_COPY_SEND),
-#endif
-
- DEFINE_PROP_END_OF_LIST(),
-};
-
static void migration_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
diff --git a/migration/options.c b/migration/options.c
index bcfe244fa9..a76984276d 100644
--- a/migration/options.c
+++ b/migration/options.c
@@ -31,6 +31,161 @@
#define MAX_MIGRATE_DOWNTIME_SECONDS 2000
#define MAX_MIGRATE_DOWNTIME (MAX_MIGRATE_DOWNTIME_SECONDS * 1000)
+#define MAX_THROTTLE (128 << 20) /* Migration transfer speed throttling */
+
+/* Time in milliseconds we are allowed to stop the source,
+ * for sending the last part */
+#define DEFAULT_MIGRATE_SET_DOWNTIME 300
+
+/* Default compression thread count */
+#define DEFAULT_MIGRATE_COMPRESS_THREAD_COUNT 8
+/* Default decompression thread count, usually decompression is at
+ * least 4 times as fast as compression.*/
+#define DEFAULT_MIGRATE_DECOMPRESS_THREAD_COUNT 2
+/*0: means nocompress, 1: best speed, ... 9: best compress ratio */
+#define DEFAULT_MIGRATE_COMPRESS_LEVEL 1
+/* Define default autoconverge cpu throttle migration parameters */
+#define DEFAULT_MIGRATE_THROTTLE_TRIGGER_THRESHOLD 50
+#define DEFAULT_MIGRATE_CPU_THROTTLE_INITIAL 20
+#define DEFAULT_MIGRATE_CPU_THROTTLE_INCREMENT 10
+#define DEFAULT_MIGRATE_MAX_CPU_THROTTLE 99
+
+/* Migration XBZRLE default cache size */
+#define DEFAULT_MIGRATE_XBZRLE_CACHE_SIZE (64 * 1024 * 1024)
+
+/* The delay time (in ms) between two COLO checkpoints */
+#define DEFAULT_MIGRATE_X_CHECKPOINT_DELAY (200 * 100)
+#define DEFAULT_MIGRATE_MULTIFD_CHANNELS 2
+#define DEFAULT_MIGRATE_MULTIFD_COMPRESSION MULTIFD_COMPRESSION_NONE
+/* 0: means nocompress, 1: best speed, ... 9: best compress ratio */
+#define DEFAULT_MIGRATE_MULTIFD_ZLIB_LEVEL 1
+/* 0: means nocompress, 1: best speed, ... 20: best compress ratio */
+#define DEFAULT_MIGRATE_MULTIFD_ZSTD_LEVEL 1
+
+/* Background transfer rate for postcopy, 0 means unlimited, note
+ * that page requests can still exceed this limit.
+ */
+#define DEFAULT_MIGRATE_MAX_POSTCOPY_BANDWIDTH 0
+
+/*
+ * Parameters for self_announce_delay giving a stream of RARP/ARP
+ * packets after migration.
+ */
+#define DEFAULT_MIGRATE_ANNOUNCE_INITIAL 50
+#define DEFAULT_MIGRATE_ANNOUNCE_MAX 550
+#define DEFAULT_MIGRATE_ANNOUNCE_ROUNDS 5
+#define DEFAULT_MIGRATE_ANNOUNCE_STEP 100
+
+#define DEFINE_PROP_MIG_CAP(name, x) \
+ DEFINE_PROP_BOOL(name, MigrationState, capabilities[x], false)
+
+Property migration_properties[] = {
+ DEFINE_PROP_BOOL("store-global-state", MigrationState,
+ store_global_state, true),
+ DEFINE_PROP_BOOL("send-configuration", MigrationState,
+ send_configuration, true),
+ DEFINE_PROP_BOOL("send-section-footer", MigrationState,
+ send_section_footer, true),
+ DEFINE_PROP_BOOL("decompress-error-check", MigrationState,
+ decompress_error_check, true),
+ DEFINE_PROP_UINT8("x-clear-bitmap-shift", MigrationState,
+ clear_bitmap_shift, CLEAR_BITMAP_SHIFT_DEFAULT),
+ DEFINE_PROP_BOOL("x-preempt-pre-7-2", MigrationState,
+ preempt_pre_7_2, false),
+
+ /* Migration parameters */
+ DEFINE_PROP_UINT8("x-compress-level", MigrationState,
+ parameters.compress_level,
+ DEFAULT_MIGRATE_COMPRESS_LEVEL),
+ DEFINE_PROP_UINT8("x-compress-threads", MigrationState,
+ parameters.compress_threads,
+ DEFAULT_MIGRATE_COMPRESS_THREAD_COUNT),
+ DEFINE_PROP_BOOL("x-compress-wait-thread", MigrationState,
+ parameters.compress_wait_thread, true),
+ DEFINE_PROP_UINT8("x-decompress-threads", MigrationState,
+ parameters.decompress_threads,
+ DEFAULT_MIGRATE_DECOMPRESS_THREAD_COUNT),
+ DEFINE_PROP_UINT8("x-throttle-trigger-threshold", MigrationState,
+ parameters.throttle_trigger_threshold,
+ DEFAULT_MIGRATE_THROTTLE_TRIGGER_THRESHOLD),
+ DEFINE_PROP_UINT8("x-cpu-throttle-initial", MigrationState,
+ parameters.cpu_throttle_initial,
+ DEFAULT_MIGRATE_CPU_THROTTLE_INITIAL),
+ DEFINE_PROP_UINT8("x-cpu-throttle-increment", MigrationState,
+ parameters.cpu_throttle_increment,
+ DEFAULT_MIGRATE_CPU_THROTTLE_INCREMENT),
+ DEFINE_PROP_BOOL("x-cpu-throttle-tailslow", MigrationState,
+ parameters.cpu_throttle_tailslow, false),
+ DEFINE_PROP_SIZE("x-max-bandwidth", MigrationState,
+ parameters.max_bandwidth, MAX_THROTTLE),
+ DEFINE_PROP_UINT64("x-downtime-limit", MigrationState,
+ parameters.downtime_limit,
+ DEFAULT_MIGRATE_SET_DOWNTIME),
+ DEFINE_PROP_UINT32("x-checkpoint-delay", MigrationState,
+ parameters.x_checkpoint_delay,
+ DEFAULT_MIGRATE_X_CHECKPOINT_DELAY),
+ DEFINE_PROP_UINT8("multifd-channels", MigrationState,
+ parameters.multifd_channels,
+ DEFAULT_MIGRATE_MULTIFD_CHANNELS),
+ DEFINE_PROP_MULTIFD_COMPRESSION("multifd-compression", MigrationState,
+ parameters.multifd_compression,
+ DEFAULT_MIGRATE_MULTIFD_COMPRESSION),
+ DEFINE_PROP_UINT8("multifd-zlib-level", MigrationState,
+ parameters.multifd_zlib_level,
+ DEFAULT_MIGRATE_MULTIFD_ZLIB_LEVEL),
+ DEFINE_PROP_UINT8("multifd-zstd-level", MigrationState,
+ parameters.multifd_zstd_level,
+ DEFAULT_MIGRATE_MULTIFD_ZSTD_LEVEL),
+ DEFINE_PROP_SIZE("xbzrle-cache-size", MigrationState,
+ parameters.xbzrle_cache_size,
+ DEFAULT_MIGRATE_XBZRLE_CACHE_SIZE),
+ DEFINE_PROP_SIZE("max-postcopy-bandwidth", MigrationState,
+ parameters.max_postcopy_bandwidth,
+ DEFAULT_MIGRATE_MAX_POSTCOPY_BANDWIDTH),
+ DEFINE_PROP_UINT8("max-cpu-throttle", MigrationState,
+ parameters.max_cpu_throttle,
+ DEFAULT_MIGRATE_MAX_CPU_THROTTLE),
+ DEFINE_PROP_SIZE("announce-initial", MigrationState,
+ parameters.announce_initial,
+ DEFAULT_MIGRATE_ANNOUNCE_INITIAL),
+ DEFINE_PROP_SIZE("announce-max", MigrationState,
+ parameters.announce_max,
+ DEFAULT_MIGRATE_ANNOUNCE_MAX),
+ DEFINE_PROP_SIZE("announce-rounds", MigrationState,
+ parameters.announce_rounds,
+ DEFAULT_MIGRATE_ANNOUNCE_ROUNDS),
+ DEFINE_PROP_SIZE("announce-step", MigrationState,
+ parameters.announce_step,
+ DEFAULT_MIGRATE_ANNOUNCE_STEP),
+ DEFINE_PROP_STRING("tls-creds", MigrationState, parameters.tls_creds),
+ DEFINE_PROP_STRING("tls-hostname", MigrationState, parameters.tls_hostname),
+ DEFINE_PROP_STRING("tls-authz", MigrationState, parameters.tls_authz),
+
+ /* Migration capabilities */
+ DEFINE_PROP_MIG_CAP("x-xbzrle", MIGRATION_CAPABILITY_XBZRLE),
+ DEFINE_PROP_MIG_CAP("x-rdma-pin-all", MIGRATION_CAPABILITY_RDMA_PIN_ALL),
+ DEFINE_PROP_MIG_CAP("x-auto-converge", MIGRATION_CAPABILITY_AUTO_CONVERGE),
+ DEFINE_PROP_MIG_CAP("x-zero-blocks", MIGRATION_CAPABILITY_ZERO_BLOCKS),
+ DEFINE_PROP_MIG_CAP("x-compress", MIGRATION_CAPABILITY_COMPRESS),
+ DEFINE_PROP_MIG_CAP("x-events", MIGRATION_CAPABILITY_EVENTS),
+ DEFINE_PROP_MIG_CAP("x-postcopy-ram", MIGRATION_CAPABILITY_POSTCOPY_RAM),
+ DEFINE_PROP_MIG_CAP("x-postcopy-preempt",
+ MIGRATION_CAPABILITY_POSTCOPY_PREEMPT),
+ DEFINE_PROP_MIG_CAP("x-colo", MIGRATION_CAPABILITY_X_COLO),
+ DEFINE_PROP_MIG_CAP("x-release-ram", MIGRATION_CAPABILITY_RELEASE_RAM),
+ DEFINE_PROP_MIG_CAP("x-block", MIGRATION_CAPABILITY_BLOCK),
+ DEFINE_PROP_MIG_CAP("x-return-path", MIGRATION_CAPABILITY_RETURN_PATH),
+ DEFINE_PROP_MIG_CAP("x-multifd", MIGRATION_CAPABILITY_MULTIFD),
+ DEFINE_PROP_MIG_CAP("x-background-snapshot",
+ MIGRATION_CAPABILITY_BACKGROUND_SNAPSHOT),
+#ifdef CONFIG_LINUX
+ DEFINE_PROP_MIG_CAP("x-zero-copy-send",
+ MIGRATION_CAPABILITY_ZERO_COPY_SEND),
+#endif
+
+ DEFINE_PROP_END_OF_LIST(),
+};
+
bool migrate_auto_converge(void)
{
MigrationState *s = migrate_get_current();
diff --git a/migration/options.h b/migration/options.h
index 89067e59a0..7b0f7245ad 100644
--- a/migration/options.h
+++ b/migration/options.h
@@ -14,6 +14,9 @@
#ifndef QEMU_MIGRATION_OPTIONS_H
#define QEMU_MIGRATION_OPTIONS_H
+#include "hw/qdev-properties.h"
+#include "hw/qdev-properties-system.h"
+
/* constants */
/* Amount of time to allocate to each "chunk" of bandwidth-throttled
@@ -21,6 +24,10 @@
#define BUFFER_DELAY 100
#define XFER_LIMIT_RATIO (1000 / BUFFER_DELAY)
+/* migration properties */
+
+extern Property migration_properties[];
+
/* capabilities */
bool migrate_auto_converge(void);
--
2.39.3
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