From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38820) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bzSRx-00030C-CI for qemu-devel@nongnu.org; Wed, 26 Oct 2016 13:57:18 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bzSRu-0003JY-DE for qemu-devel@nongnu.org; Wed, 26 Oct 2016 13:57:17 -0400 Received: from mx1.redhat.com ([209.132.183.28]:57664) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1bzSRu-0003JI-7O for qemu-devel@nongnu.org; Wed, 26 Oct 2016 13:57:14 -0400 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5677A67BB2 for ; Wed, 26 Oct 2016 17:57:13 +0000 (UTC) Date: Wed, 26 Oct 2016 18:57:10 +0100 From: "Dr. David Alan Gilbert" Message-ID: <20161026175709.GE6456@work-vm> References: <1477078935-7182-1-git-send-email-quintela@redhat.com> <1477078935-7182-4-git-send-email-quintela@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1477078935-7182-4-git-send-email-quintela@redhat.com> Subject: Re: [Qemu-devel] [PATCH 03/13] migration: Add multifd capability List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Juan Quintela Cc: qemu-devel@nongnu.org, amit.shah@redhat.com * Juan Quintela (quintela@redhat.com) wrote: > Signed-off-by: Juan Quintela Reviewed-by: Dr. David Alan Gilbert > --- > include/migration/migration.h | 1 + > migration/migration.c | 9 +++++++++ > qapi-schema.json | 5 +++-- > 3 files changed, 13 insertions(+), 2 deletions(-) > > diff --git a/include/migration/migration.h b/include/migration/migration.h > index 37ef4f2..5666068 100644 > --- a/include/migration/migration.h > +++ b/include/migration/migration.h > @@ -290,6 +290,7 @@ bool migrate_postcopy_ram(void); > bool migrate_zero_blocks(void); > > bool migrate_auto_converge(void); > +bool migrate_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 a71921f..5f7a570 100644 > --- a/migration/migration.c > +++ b/migration/migration.c > @@ -1273,6 +1273,15 @@ bool migrate_use_events(void) > return s->enabled_capabilities[MIGRATION_CAPABILITY_EVENTS]; > } > > +bool migrate_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 5a8ec38..bc96ee4 100644 > --- a/qapi-schema.json > +++ b/qapi-schema.json > @@ -574,12 +574,13 @@ > # been migrated, pulling the remaining pages along as needed. NOTE: If > # the migration fails during postcopy the VM will fail. (since 2.6) > # > +# @x-multifd: Use more than one fd for migration (since 2.8) > +# > # Since: 1.2 > ## > { 'enum': 'MigrationCapability', > 'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', 'zero-blocks', > - 'compress', 'events', 'postcopy-ram'] } > - > + 'compress', 'events', 'postcopy-ram', 'x-multifd'] } > ## > # @MigrationCapabilityStatus > # > -- > 2.7.4 > -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK