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qemu: Implement VIR_MIGRATE_PARAM_BANDWIDTH_POSTCOPY

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This typed parameter for virDomainMigrate3 and virDomainMigrateToURI3
APIs may be used for setting maximum post-copy migration bandwidth.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Jiri Denemark 2019-01-31 10:25:11 +01:00
parent cdc1b1d71b
commit c830187a01
3 changed files with 9 additions and 0 deletions
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1
src/qemu/qemu_migration.h
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@ -79,6 +79,7 @@
VIR_MIGRATE_PARAM_PERSIST_XML, VIR_TYPED_PARAM_STRING, \
VIR_MIGRATE_PARAM_AUTO_CONVERGE_INITIAL, VIR_TYPED_PARAM_INT, \
VIR_MIGRATE_PARAM_AUTO_CONVERGE_INCREMENT, VIR_TYPED_PARAM_INT, \
VIR_MIGRATE_PARAM_BANDWIDTH_POSTCOPY, VIR_TYPED_PARAM_ULLONG, \
NULL

7
src/qemu/qemu_migration_params.c
View File

@ -102,6 +102,7 @@ VIR_ENUM_IMPL(qemuMigrationParam, QEMU_MIGRATION_PARAM_LAST,
"downtime-limit",
"block-incremental",
"xbzrle-cache-size",
"max-postcopy-bandwidth",
);
typedef struct _qemuMigrationParamsAlwaysOnItem qemuMigrationParamsAlwaysOnItem;
@ -178,6 +179,11 @@ static const qemuMigrationParamsTPMapItem qemuMigrationParamsTPMap[] = {
{.typedParam = VIR_MIGRATE_PARAM_COMPRESSION_XBZRLE_CACHE,
.param = QEMU_MIGRATION_PARAM_XBZRLE_CACHE_SIZE,
.party = QEMU_MIGRATION_SOURCE | QEMU_MIGRATION_DESTINATION},
{.typedParam = VIR_MIGRATE_PARAM_BANDWIDTH_POSTCOPY,
.unit = 1024 * 1024, /* MiB/s */
.param = QEMU_MIGRATION_PARAM_MAX_POSTCOPY_BANDWIDTH,
.party = QEMU_MIGRATION_SOURCE | QEMU_MIGRATION_DESTINATION},
};
static const qemuMigrationParamType qemuMigrationParamTypes[] = {
@ -192,6 +198,7 @@ static const qemuMigrationParamType qemuMigrationParamTypes[] = {
[QEMU_MIGRATION_PARAM_DOWNTIME_LIMIT] = QEMU_MIGRATION_PARAM_TYPE_ULL,
[QEMU_MIGRATION_PARAM_BLOCK_INCREMENTAL] = QEMU_MIGRATION_PARAM_TYPE_BOOL,
[QEMU_MIGRATION_PARAM_XBZRLE_CACHE_SIZE] = QEMU_MIGRATION_PARAM_TYPE_ULL,
[QEMU_MIGRATION_PARAM_MAX_POSTCOPY_BANDWIDTH] = QEMU_MIGRATION_PARAM_TYPE_ULL,
};
verify(ARRAY_CARDINALITY(qemuMigrationParamTypes) == QEMU_MIGRATION_PARAM_LAST);

1
src/qemu/qemu_migration_params.h
View File

@ -55,6 +55,7 @@ typedef enum {
QEMU_MIGRATION_PARAM_DOWNTIME_LIMIT,
QEMU_MIGRATION_PARAM_BLOCK_INCREMENTAL,
QEMU_MIGRATION_PARAM_XBZRLE_CACHE_SIZE,
QEMU_MIGRATION_PARAM_MAX_POSTCOPY_BANDWIDTH,
QEMU_MIGRATION_PARAM_LAST
} qemuMigrationParam;