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[Qemu-devel] [PATCH 05/16] migration: Add multifd capability
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH 05/16] migration: Add multifd capability |
Date: |
Mon, 13 Mar 2017 13:44:23 +0100 |
Signed-off-by: Juan Quintela <address@hidden>
Reviewed-by: Dr. David Alan Gilbert <address@hidden>
---
include/migration/migration.h | 1 +
migration/migration.c | 9 +++++++++
qapi-schema.json | 6 ++++--
3 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/include/migration/migration.h b/include/migration/migration.h
index 5720c88..d48934b 100644
--- a/include/migration/migration.h
+++ b/include/migration/migration.h
@@ -323,6 +323,7 @@ bool migrate_postcopy_ram(void);
bool migrate_zero_blocks(void);
bool migrate_auto_converge(void);
+bool migrate_use_multifd(void);
int xbzrle_encode_buffer(uint8_t *old_buf, uint8_t *new_buf, int slen,
uint8_t *dst, int dlen);
diff --git a/migration/migration.c b/migration/migration.c
index 3dab684..0e5b0bf 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1409,6 +1409,15 @@ bool migrate_use_events(void)
return s->enabled_capabilities[MIGRATION_CAPABILITY_EVENTS];
}
+bool migrate_use_multifd(void)
+{
+ MigrationState *s;
+
+ s = migrate_get_current();
+
+ return s->enabled_capabilities[MIGRATION_CAPABILITY_X_MULTIFD];
+}
+
int migrate_use_xbzrle(void)
{
MigrationState *s;
diff --git a/qapi-schema.json b/qapi-schema.json
index 32b4a4b..d21934b 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -868,12 +868,14 @@
# @release-ram: if enabled, qemu will free the migrated ram pages on the source
# during postcopy-ram migration. (since 2.9)
#
+# @x-multifd: Use more than one fd for migration (since 2.9)
+#
# Since: 1.2
##
{ 'enum': 'MigrationCapability',
'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', 'zero-blocks',
- 'compress', 'events', 'postcopy-ram', 'x-colo', 'release-ram'] }
-
+ 'compress', 'events', 'postcopy-ram', 'x-colo', 'release-ram',
+ 'x-multifd'] }
##
# @MigrationCapabilityStatus:
#
--
2.9.3
- [Qemu-devel] [PATCH 00/16] Multifd v4, Juan Quintela, 2017/03/13
- [Qemu-devel] [PATCH 01/16] qio: create new qio_channel_write_all, Juan Quintela, 2017/03/13
- [Qemu-devel] [PATCH 03/16] migration: Test for disabled features on reception, Juan Quintela, 2017/03/13
- [Qemu-devel] [PATCH 04/16] migration: Don't create decompression threads if not enabled, Juan Quintela, 2017/03/13
- [Qemu-devel] [PATCH 02/16] qio: create new qio_channel_read_all, Juan Quintela, 2017/03/13
- [Qemu-devel] [PATCH 05/16] migration: Add multifd capability,
Juan Quintela <=
- [Qemu-devel] [PATCH 07/16] migration: Create x-multifd-group parameter, Juan Quintela, 2017/03/13
[Qemu-devel] [PATCH 08/16] migration: Create multifd migration threads, Juan Quintela, 2017/03/13
[Qemu-devel] [PATCH 06/16] migration: Create x-multifd-threads parameter, Juan Quintela, 2017/03/13
[Qemu-devel] [PATCH 09/16] migration: Start of multiple fd work, Juan Quintela, 2017/03/13