diff mbox series

[v4,4/6] migration: Add multifd-compress parameter

Message ID 20190612105323.7051-5-quintela@redhat.com (mailing list archive)
State New, archived
Headers show
Series Multifd compression support | expand

Commit Message

Juan Quintela June 12, 2019, 10:53 a.m. UTC
Signed-off-by: Juan Quintela <quintela@redhat.com>

---
Rename it to NONE
Fix typos (dave)
We don't need to chek values returned by visit_type_MultifdCompress (markus)
Fix yet more typos (wei)
---
 hmp.c                        | 13 +++++++++++++
 hw/core/qdev-properties.c    | 13 +++++++++++++
 include/hw/qdev-properties.h |  3 +++
 migration/migration.c        | 13 +++++++++++++
 qapi/migration.json          | 30 +++++++++++++++++++++++++++---
 tests/migration-test.c       | 13 ++++++++++---
 6 files changed, 79 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/hmp.c b/hmp.c
index be5e345c6f..b011f139ca 100644
--- a/hmp.c
+++ b/hmp.c
@@ -38,6 +38,7 @@ 
 #include "qapi/qapi-commands-run-state.h"
 #include "qapi/qapi-commands-tpm.h"
 #include "qapi/qapi-commands-ui.h"
+#include "qapi/qapi-visit-migration.h"
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qerror.h"
 #include "qapi/string-input-visitor.h"
@@ -435,6 +436,9 @@  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);
@@ -1736,6 +1740,7 @@  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;
 
@@ -1821,6 +1826,14 @@  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);
diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
index 5da1439a8b..ebeeb5c88d 100644
--- a/hw/core/qdev-properties.c
+++ b/hw/core/qdev-properties.c
@@ -5,6 +5,7 @@ 
 #include "hw/pci/pci.h"
 #include "qapi/qmp/qerror.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"
@@ -645,6 +646,18 @@  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 --- */
 
 /*
diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h
index 1eae5ab056..34d906593b 100644
--- a/include/hw/qdev-properties.h
+++ b/include/hw/qdev-properties.h
@@ -23,6 +23,7 @@  extern const PropertyInfo qdev_prop_tpm;
 extern const PropertyInfo qdev_prop_ptr;
 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;
@@ -205,6 +206,8 @@  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)
diff --git a/migration/migration.c b/migration/migration.c
index 4246bdd661..3f17d8f2f8 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -82,6 +82,7 @@ 
 /* 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.
@@ -769,6 +770,8 @@  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;
@@ -1268,6 +1271,9 @@  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;
     }
@@ -1364,6 +1370,9 @@  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);
@@ -3406,6 +3415,9 @@  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),
@@ -3495,6 +3507,7 @@  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;
diff --git a/qapi/migration.json b/qapi/migration.json
index 9cfbaf8c6c..153527e120 100644
--- a/qapi/migration.json
+++ b/qapi/migration.json
@@ -482,6 +482,19 @@ 
 ##
 { 'command': 'query-migrate-capabilities', 'returns':   ['MigrationCapabilityStatus']}
 
+##
+# @MultifdCompress:
+#
+# An enumeration of multifd compression.
+#
+# @none: no compression.
+#
+# Since: 4.1
+#
+##
+{ 'enum': 'MultifdCompress',
+  'data': [ 'none' ] }
+
 ##
 # @MigrationParameter:
 #
@@ -580,6 +593,9 @@ 
 # @max-cpu-throttle: maximum cpu throttle percentage.
 #                    Defaults to 99. (Since 3.1)
 #
+# @multifd-compress: Which compression method to use.
+#                    Defaults to none. (Since 4.1)
+#
 # Since: 2.4
 ##
 { 'enum': 'MigrationParameter',
@@ -592,7 +608,7 @@ 
            'downtime-limit', 'x-checkpoint-delay', 'block-incremental',
            'multifd-channels',
            'xbzrle-cache-size', 'max-postcopy-bandwidth',
-           'max-cpu-throttle' ] }
+           'max-cpu-throttle', 'multifd-compress' ] }
 
 ##
 # @MigrateSetParameters:
@@ -682,6 +698,9 @@ 
 # @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 4.1)
+#
 # Since: 2.4
 ##
 # TODO either fuse back into MigrationParameters, or make
@@ -707,7 +726,8 @@ 
             '*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:
@@ -817,6 +837,9 @@ 
 #                    Defaults to 99.
 #                     (Since 3.1)
 #
+# @multifd-compress: Which compression method to use.
+#                    Defaults to none. (Since 4.1)
+#
 # Since: 2.4
 ##
 { 'struct': 'MigrationParameters',
@@ -840,7 +863,8 @@ 
             '*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:
diff --git a/tests/migration-test.c b/tests/migration-test.c
index c7c311e02c..e5b8125e1c 100644
--- a/tests/migration-test.c
+++ b/tests/migration-test.c
@@ -464,7 +464,6 @@  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)
 {
@@ -1165,7 +1164,7 @@  static void test_migrate_fd_proto(void)
     test_migrate_end(from, to, true);
 }
 
-static void test_multifd_tcp(void)
+static void test_multifd_tcp(const char *method)
 {
     char *uri;
     QTestState *from, *to;
@@ -1187,6 +1186,9 @@  static void test_multifd_tcp(void)
     migrate_set_parameter_int(from, "multifd-channels", 2);
     migrate_set_parameter_int(to, "multifd-channels", 2);
 
+    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");
     /* Wait for the first serial output from the source */
@@ -1212,6 +1214,11 @@  static void test_multifd_tcp(void)
     free(uri);
 }
 
+static void test_multifd_tcp_none(void)
+{
+    test_multifd_tcp("none");
+}
+
 int main(int argc, char **argv)
 {
     char template[] = "/tmp/migration-test-XXXXXX";
@@ -1267,7 +1274,7 @@  int main(int argc, char **argv)
     /* qtest_add_func("/migration/ignore_shared", test_ignore_shared); */
     qtest_add_func("/migration/xbzrle/unix", test_xbzrle_unix);
     qtest_add_func("/migration/fd_proto", test_migrate_fd_proto);
-    qtest_add_func("/migration/multifd/tcp", test_multifd_tcp);
+    qtest_add_func("/migration/multifd/tcp/none", test_multifd_tcp_none);
 
     ret = g_test_run();