From patchwork Tue Apr 16 14:42:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Maciej S. Szmigiero" X-Patchwork-Id: 13631995 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id ABC52C4345F for ; Tue, 16 Apr 2024 14:46:15 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rwk2o-00053S-2z; Tue, 16 Apr 2024 10:44:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rwk2m-00052T-9w for qemu-devel@nongnu.org; Tue, 16 Apr 2024 10:44:20 -0400 Received: from vps-vb.mhejs.net ([37.28.154.113]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rwk2k-0002FW-S9 for qemu-devel@nongnu.org; Tue, 16 Apr 2024 10:44:20 -0400 Received: from MUA by vps-vb.mhejs.net with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rwk2Y-0002fG-4V; Tue, 16 Apr 2024 16:44:06 +0200 From: "Maciej S. Szmigiero" To: Peter Xu , Fabiano Rosas Cc: Alex Williamson , =?utf-8?q?C=C3=A9dric_Le_G?= =?utf-8?q?oater?= , Eric Blake , Markus Armbruster , Avihai Horon , Joao Martins , qemu-devel@nongnu.org Subject: [PATCH RFC 10/26] migration: Add send/receive header for multifd channel Date: Tue, 16 Apr 2024 16:42:49 +0200 Message-ID: X-Mailer: git-send-email 2.44.0 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: pass client-ip=37.28.154.113; envelope-from=mail@maciej.szmigiero.name; helo=vps-vb.mhejs.net X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Avihai Horon Add send and receive migration channel header for multifd channel. Signed-off-by: Avihai Horon [MSS: Adapt to rewritten migration header passing commit] Signed-off-by: Maciej S. Szmigiero --- migration/channel.h | 1 + migration/migration.c | 16 ++++++++++++++++ migration/multifd.c | 4 +++- 3 files changed, 20 insertions(+), 1 deletion(-) diff --git a/migration/channel.h b/migration/channel.h index c59ccedc7b6b..4232ee649939 100644 --- a/migration/channel.h +++ b/migration/channel.h @@ -32,6 +32,7 @@ int migration_channel_read_peek(QIOChannel *ioc, typedef enum { MIG_CHANNEL_TYPE_MAIN, MIG_CHANNEL_TYPE_POSTCOPY_PREEMPT, + MIG_CHANNEL_TYPE_MULTIFD, } MigChannelTypes; typedef struct QEMU_PACKED { diff --git a/migration/migration.c b/migration/migration.c index ac9ecf1f4f22..8fe8be71a0e3 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1024,6 +1024,22 @@ void migration_ioc_process_incoming(QIOChannel *ioc, Error **errp) f = qemu_file_new_input(ioc); postcopy_preempt_new_channel(migration_incoming_get_current(), f); break; + case MIG_CHANNEL_TYPE_MULTIFD: + { + Error *local_err = NULL; + + assert(migrate_multifd()); + if (multifd_recv_setup(errp) != 0) { + return; + } + + multifd_recv_new_channel(ioc, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + break; + } default: error_setg(errp, "Received unknown migration channel type %u", header.channel_type); diff --git a/migration/multifd.c b/migration/multifd.c index 8eecda68ac0f..c2575e3d6dbf 100644 --- a/migration/multifd.c +++ b/migration/multifd.c @@ -1191,8 +1191,10 @@ out: static bool multifd_new_send_channel_create(MultiFDSendParams *p, Error **errp) { g_autoptr(MFDSendChannelConnectData) data = NULL; + MigChannelHeader header = {}; - data = mfd_send_channel_connect_data_new(p, NULL); + header.channel_type = MIG_CHANNEL_TYPE_MULTIFD; + data = mfd_send_channel_connect_data_new(p, &header); if (!multifd_use_packets()) { return file_send_channel_create(data, errp);