From patchwork Mon Feb 13 17:19:39 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Juan Quintela X-Patchwork-Id: 727429 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3vMXRs0ZWYz9s7J for ; Tue, 14 Feb 2017 04:22:33 +1100 (AEDT) Received: from localhost ([::1]:58344 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cdKKc-0001iJ-Fl for incoming@patchwork.ozlabs.org; Mon, 13 Feb 2017 12:22:30 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57731) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cdKIH-0007ub-2P for qemu-devel@nongnu.org; Mon, 13 Feb 2017 12:20:06 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cdKIF-0004q9-NN for qemu-devel@nongnu.org; Mon, 13 Feb 2017 12:20:05 -0500 Received: from mx1.redhat.com ([209.132.183.28]:33592) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cdKIF-0004pk-Hn for qemu-devel@nongnu.org; Mon, 13 Feb 2017 12:20:03 -0500 Received: from smtp.corp.redhat.com (int-mx16.intmail.prod.int.phx2.redhat.com [10.5.11.28]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B30368046B for ; Mon, 13 Feb 2017 17:20:03 +0000 (UTC) Received: from emacs.mitica (ovpn-117-176.ams2.redhat.com [10.36.117.176]) by smtp.corp.redhat.com (Postfix) with ESMTP id D435343DE5; Mon, 13 Feb 2017 17:20:01 +0000 (UTC) From: Juan Quintela To: qemu-devel@nongnu.org Date: Mon, 13 Feb 2017 18:19:39 +0100 Message-Id: <1487006388-7966-4-git-send-email-quintela@redhat.com> In-Reply-To: <1487006388-7966-1-git-send-email-quintela@redhat.com> References: <1487006388-7966-1-git-send-email-quintela@redhat.com> X-Scanned-By: MIMEDefang 2.74 on 10.5.11.28 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Mon, 13 Feb 2017 17:20:03 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 03/12] migration: Add multifd capability X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: amit.shah@redhat.com, dgilbert@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" 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 7528cc2..e8bba55 100644 --- a/include/migration/migration.h +++ b/include/migration/migration.h @@ -308,6 +308,7 @@ 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 2b179c6..37af7a4 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1369,6 +1369,15 @@ 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 61151f3..ff7579e 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -865,12 +865,13 @@ # side, this process is called COarse-Grain LOck Stepping (COLO) for # Non-stop Service. (since 2.8) # +# @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'] } - + 'compress', 'events', 'postcopy-ram', 'x-colo', 'x-multifd'] } ## # @MigrationCapabilityStatus: #