From nobody Mon Feb 9 19:30:14 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1505914636269608.2306618141918; Wed, 20 Sep 2017 06:37:16 -0700 (PDT) Received: from localhost ([::1]:48134 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dufBi-0002cZ-CI for importer@patchew.org; Wed, 20 Sep 2017 09:37:14 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45251) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dueru-0003Ho-W7 for qemu-devel@nongnu.org; Wed, 20 Sep 2017 09:16:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dueri-0001D8-BV for qemu-devel@nongnu.org; Wed, 20 Sep 2017 09:16:46 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51548) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1duerh-0001CO-U4 for qemu-devel@nongnu.org; Wed, 20 Sep 2017 09:16:34 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 728D34E4F3 for ; Wed, 20 Sep 2017 10:46:46 +0000 (UTC) Received: from secure.mitica (ovpn-116-75.ams2.redhat.com [10.36.116.75]) by smtp.corp.redhat.com (Postfix) with ESMTP id D27525D6A3; Wed, 20 Sep 2017 10:46:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 728D34E4F3 Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=quintela@redhat.com From: Juan Quintela To: qemu-devel@nongnu.org Date: Wed, 20 Sep 2017 12:46:24 +0200 Message-Id: <20170920104639.2335-2-quintela@redhat.com> In-Reply-To: <20170920104639.2335-1-quintela@redhat.com> References: <20170920104639.2335-1-quintela@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Wed, 20 Sep 2017 10:46:46 +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 01/16] migration: Create migration_ioc_process_incoming() 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: lvivier@redhat.com, dgilbert@redhat.com, peterx@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" We pass the ioc instead of the fd. This will allow us to have more than one channel open. We also make sure that we set the from_src_file sooner, so we don't need to pass it as a parameter. Signed-off-by: Juan Quintela Reviewed-by: Daniel P. Berrange -- Do not assing mis->from_src_file (peterxu) --- migration/channel.c | 3 +-- migration/migration.c | 22 ++++++++++++++++++---- migration/migration.h | 2 ++ 3 files changed, 21 insertions(+), 6 deletions(-) diff --git a/migration/channel.c b/migration/channel.c index 3b7252f5a2..edceebdb7b 100644 --- a/migration/channel.c +++ b/migration/channel.c @@ -36,8 +36,7 @@ void migration_channel_process_incoming(QIOChannel *ioc) error_report_err(local_err); } } else { - QEMUFile *f =3D qemu_fopen_channel_input(ioc); - migration_fd_process_incoming(f); + migration_ioc_process_incoming(ioc); } } =20 diff --git a/migration/migration.c b/migration/migration.c index 959e8ec88e..2d4c56e612 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -306,17 +306,16 @@ static void process_incoming_migration_bh(void *opaqu= e) =20 static void process_incoming_migration_co(void *opaque) { - QEMUFile *f =3D opaque; MigrationIncomingState *mis =3D migration_incoming_get_current(); PostcopyState ps; int ret; =20 - mis->from_src_file =3D f; + assert(mis->from_src_file); mis->largest_page_size =3D qemu_ram_pagesize_largest(); postcopy_state_set(POSTCOPY_INCOMING_NONE); migrate_set_state(&mis->state, MIGRATION_STATUS_NONE, MIGRATION_STATUS_ACTIVE); - ret =3D qemu_loadvm_state(f); + ret =3D qemu_loadvm_state(mis->from_src_file); =20 ps =3D postcopy_state_get(); trace_process_incoming_migration_co_end(ret, ps); @@ -364,12 +363,27 @@ static void process_incoming_migration_co(void *opaqu= e) =20 void migration_fd_process_incoming(QEMUFile *f) { - Coroutine *co =3D qemu_coroutine_create(process_incoming_migration_co,= f); + Coroutine *co =3D qemu_coroutine_create(process_incoming_migration_co,= NULL); + MigrationIncomingState *mis =3D migration_incoming_get_current(); =20 + if (!mis->from_src_file) { + mis->from_src_file =3D f; + } qemu_file_set_blocking(f, false); qemu_coroutine_enter(co); } =20 +void migration_ioc_process_incoming(QIOChannel *ioc) +{ + MigrationIncomingState *mis =3D migration_incoming_get_current(); + + if (!mis->from_src_file) { + QEMUFile *f =3D qemu_fopen_channel_input(ioc); + migration_fd_process_incoming(f); + } + /* We still only have a single channel. Nothing to do here yet */ +} + /* * Send a 'SHUT' message on the return channel with the given value * to indicate that we've finished with the RP. Non-0 value indicates diff --git a/migration/migration.h b/migration/migration.h index 148c9facbc..99c398d484 100644 --- a/migration/migration.h +++ b/migration/migration.h @@ -20,6 +20,7 @@ #include "exec/cpu-common.h" #include "qemu/coroutine_int.h" #include "hw/qdev.h" +#include "io/channel.h" =20 /* State for the incoming migration */ struct MigrationIncomingState { @@ -152,6 +153,7 @@ struct MigrationState void migrate_set_state(int *state, int old_state, int new_state); =20 void migration_fd_process_incoming(QEMUFile *f); +void migration_ioc_process_incoming(QIOChannel *ioc); =20 uint64_t migrate_max_downtime(void); =20 --=20 2.13.5