@@ -8,6 +8,7 @@
#include "qapi/qmp/qerror.h"
#include "qemu/ctype.h"
#include "qemu/error-report.h"
+#include "qapi/qapi-types-migration.h"
#include "hw/block/block.h"
#include "net/hub.h"
#include "qapi/visitor.h"
@@ -641,6 +642,18 @@ const PropertyInfo qdev_prop_fdc_drive_type = {
.set_default_value = set_default_value_enum,
};
+/* --- MultifdCompress --- */
+
+const PropertyInfo qdev_prop_multifd_compress = {
+ .name = "MultifdCompress",
+ .description = "multifd_compress values, "
+ "none",
+ .enum_table = &MultifdCompress_lookup,
+ .get = get_enum,
+ .set = set_enum,
+ .set_default_value = set_default_value_enum,
+};
+
/* --- pci address --- */
/*
@@ -20,6 +20,7 @@ extern const PropertyInfo qdev_prop_chr;
extern const PropertyInfo qdev_prop_tpm;
extern const PropertyInfo qdev_prop_macaddr;
extern const PropertyInfo qdev_prop_on_off_auto;
+extern const PropertyInfo qdev_prop_multifd_compress;
extern const PropertyInfo qdev_prop_losttickpolicy;
extern const PropertyInfo qdev_prop_blockdev_on_error;
extern const PropertyInfo qdev_prop_bios_chs_trans;
@@ -184,6 +185,8 @@ extern const PropertyInfo qdev_prop_pcie_link_width;
DEFINE_PROP(_n, _s, _f, qdev_prop_macaddr, MACAddr)
#define DEFINE_PROP_ON_OFF_AUTO(_n, _s, _f, _d) \
DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_on_off_auto, OnOffAuto)
+#define DEFINE_PROP_MULTIFD_COMPRESS(_n, _s, _f, _d) \
+ DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_multifd_compress, MultifdCompress)
#define DEFINE_PROP_LOSTTICKPOLICY(_n, _s, _f, _d) \
DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_losttickpolicy, \
LostTickPolicy)
@@ -87,6 +87,7 @@
/* 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_COMPRESS MULTIFD_COMPRESS_NONE
/* Background transfer rate for postcopy, 0 means unlimited, note
* that page requests can still exceed this limit.
@@ -797,6 +798,8 @@ MigrationParameters *qmp_query_migrate_parameters(Error **errp)
params->block_incremental = s->parameters.block_incremental;
params->has_multifd_channels = true;
params->multifd_channels = s->parameters.multifd_channels;
+ params->has_multifd_compress = true;
+ params->multifd_compress = s->parameters.multifd_compress;
params->has_xbzrle_cache_size = true;
params->xbzrle_cache_size = s->parameters.xbzrle_cache_size;
params->has_max_postcopy_bandwidth = true;
@@ -1314,6 +1317,9 @@ static void migrate_params_test_apply(MigrateSetParameters *params,
if (params->has_multifd_channels) {
dest->multifd_channels = params->multifd_channels;
}
+ if (params->has_multifd_compress) {
+ dest->multifd_compress = params->multifd_compress;
+ }
if (params->has_xbzrle_cache_size) {
dest->xbzrle_cache_size = params->xbzrle_cache_size;
}
@@ -1410,6 +1416,9 @@ static void migrate_params_apply(MigrateSetParameters *params, Error **errp)
if (params->has_multifd_channels) {
s->parameters.multifd_channels = params->multifd_channels;
}
+ if (params->has_multifd_compress) {
+ s->parameters.multifd_compress = params->multifd_compress;
+ }
if (params->has_xbzrle_cache_size) {
s->parameters.xbzrle_cache_size = params->xbzrle_cache_size;
xbzrle_cache_resize(params->xbzrle_cache_size, errp);
@@ -3514,6 +3523,9 @@ static Property migration_properties[] = {
DEFINE_PROP_UINT8("multifd-channels", MigrationState,
parameters.multifd_channels,
DEFAULT_MIGRATE_MULTIFD_CHANNELS),
+ DEFINE_PROP_MULTIFD_COMPRESS("multifd-compress", MigrationState,
+ parameters.multifd_compress,
+ DEFAULT_MIGRATE_MULTIFD_COMPRESS),
DEFINE_PROP_SIZE("xbzrle-cache-size", MigrationState,
parameters.xbzrle_cache_size,
DEFAULT_MIGRATE_XBZRLE_CACHE_SIZE),
@@ -3604,6 +3616,7 @@ static void migration_instance_init(Object *obj)
params->has_x_checkpoint_delay = true;
params->has_block_incremental = true;
params->has_multifd_channels = true;
+ params->has_multifd_compress = true;
params->has_xbzrle_cache_size = true;
params->has_max_postcopy_bandwidth = true;
params->has_max_cpu_throttle = true;
@@ -39,6 +39,7 @@
#include "qapi/qapi-commands-tpm.h"
#include "qapi/qapi-commands-ui.h"
#include "qapi/qapi-visit-net.h"
+#include "qapi/qapi-visit-migration.h"
#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qerror.h"
#include "qapi/string-input-visitor.h"
@@ -447,6 +448,9 @@ void hmp_info_migrate_parameters(Monitor *mon, const QDict *qdict)
monitor_printf(mon, "%s: %u\n",
MigrationParameter_str(MIGRATION_PARAMETER_MULTIFD_CHANNELS),
params->multifd_channels);
+ monitor_printf(mon, "%s: %s\n",
+ MigrationParameter_str(MIGRATION_PARAMETER_MULTIFD_COMPRESS),
+ MultifdCompress_str(params->multifd_compress));
monitor_printf(mon, "%s: %" PRIu64 "\n",
MigrationParameter_str(MIGRATION_PARAMETER_XBZRLE_CACHE_SIZE),
params->xbzrle_cache_size);
@@ -1738,6 +1742,7 @@ void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict)
MigrateSetParameters *p = g_new0(MigrateSetParameters, 1);
uint64_t valuebw = 0;
uint64_t cache_size;
+ MultifdCompress compress_type;
Error *err = NULL;
int val, ret;
@@ -1823,6 +1828,14 @@ void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict)
p->has_multifd_channels = true;
visit_type_int(v, param, &p->multifd_channels, &err);
break;
+ case MIGRATION_PARAMETER_MULTIFD_COMPRESS:
+ p->has_multifd_compress = true;
+ visit_type_MultifdCompress(v, param, &compress_type, &err);
+ if (err) {
+ break;
+ }
+ p->multifd_compress = compress_type;
+ break;
case MIGRATION_PARAMETER_XBZRLE_CACHE_SIZE:
p->has_xbzrle_cache_size = true;
visit_type_size(v, param, &cache_size, &err);
@@ -488,6 +488,19 @@
##
{ 'command': 'query-migrate-capabilities', 'returns': ['MigrationCapabilityStatus']}
+##
+# @MultifdCompress:
+#
+# An enumeration of multifd compression.
+#
+# @none: no compression.
+#
+# Since: 4.1
+#
+##
+{ 'enum': 'MultifdCompress',
+ 'data': [ 'none' ] }
+
##
# @MigrationParameter:
#
@@ -586,6 +599,9 @@
# @max-cpu-throttle: maximum cpu throttle percentage.
# Defaults to 99. (Since 3.1)
#
+# @multifd-compress: Which compression method to use.
+# Defaults to none. (Since 5.0)
+#
# Since: 2.4
##
{ 'enum': 'MigrationParameter',
@@ -598,7 +614,7 @@
'downtime-limit', 'x-checkpoint-delay', 'block-incremental',
'multifd-channels',
'xbzrle-cache-size', 'max-postcopy-bandwidth',
- 'max-cpu-throttle' ] }
+ 'max-cpu-throttle', 'multifd-compress' ] }
##
# @MigrateSetParameters:
@@ -688,6 +704,9 @@
# @max-cpu-throttle: maximum cpu throttle percentage.
# The default value is 99. (Since 3.1)
#
+# @multifd-compress: Which compression method to use.
+# Defaults to none. (Since 5.0)
+#
# Since: 2.4
##
# TODO either fuse back into MigrationParameters, or make
@@ -713,7 +732,8 @@
'*multifd-channels': 'int',
'*xbzrle-cache-size': 'size',
'*max-postcopy-bandwidth': 'size',
- '*max-cpu-throttle': 'int' } }
+ '*max-cpu-throttle': 'int',
+ '*multifd-compress': 'MultifdCompress' } }
##
# @migrate-set-parameters:
@@ -823,6 +843,9 @@
# Defaults to 99.
# (Since 3.1)
#
+# @multifd-compress: Which compression method to use.
+# Defaults to none. (Since 5.0)
+#
# Since: 2.4
##
{ 'struct': 'MigrationParameters',
@@ -846,7 +869,8 @@
'*multifd-channels': 'uint8',
'*xbzrle-cache-size': 'size',
'*max-postcopy-bandwidth': 'size',
- '*max-cpu-throttle':'uint8'} }
+ '*max-cpu-throttle': 'uint8',
+ '*multifd-compress': 'MultifdCompress' } }
##
# @query-migrate-parameters:
@@ -378,7 +378,6 @@ static void migrate_check_parameter_str(QTestState *who, const char *parameter,
g_free(result);
}
-__attribute__((unused))
static void migrate_set_parameter_str(QTestState *who, const char *parameter,
const char *value)
{
@@ -1251,7 +1250,7 @@ static void test_migrate_auto_converge(void)
test_migrate_end(from, to, true);
}
-static void test_multifd_tcp(void)
+static void test_multifd_tcp(const char *method)
{
MigrateStart *args = migrate_start_new();
QTestState *from, *to;
@@ -1275,6 +1274,9 @@ static void test_multifd_tcp(void)
migrate_set_parameter_int(from, "multifd-channels", 16);
migrate_set_parameter_int(to, "multifd-channels", 16);
+ migrate_set_parameter_str(from, "multifd-compress", method);
+ migrate_set_parameter_str(to, "multifd-compress", method);
+
migrate_set_capability(from, "multifd", "true");
migrate_set_capability(to, "multifd", "true");
@@ -1306,6 +1308,11 @@ static void test_multifd_tcp(void)
g_free(uri);
}
+static void test_multifd_tcp_none(void)
+{
+ test_multifd_tcp("none");
+}
+
/*
* This test does:
* source target
@@ -1317,7 +1324,6 @@ static void test_multifd_tcp(void)
*
* And see that it works
*/
-
static void test_multifd_tcp_cancel(void)
{
MigrateStart *args = migrate_start_new();
@@ -1467,7 +1473,7 @@ int main(int argc, char **argv)
test_validate_uuid_dst_not_set);
qtest_add_func("/migration/auto_converge", test_migrate_auto_converge);
- qtest_add_func("/migration/multifd/tcp", test_multifd_tcp);
+ qtest_add_func("/migration/multifd/tcp/none", test_multifd_tcp_none);
qtest_add_func("/migration/multifd/tcp/cancel", test_multifd_tcp_cancel);
ret = g_test_run();