From nobody Sat Oct 25 08:55:13 2025 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; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 1520421267833996.4010931243129; Wed, 7 Mar 2018 03:14:27 -0800 (PST) Received: from localhost ([::1]:60796 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1etX1U-0008KG-AY for importer@patchew.org; Wed, 07 Mar 2018 06:14:16 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59838) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1etWoT-000568-9X for qemu-devel@nongnu.org; Wed, 07 Mar 2018 06:00:53 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1etWoP-0006Js-8K for qemu-devel@nongnu.org; Wed, 07 Mar 2018 06:00:49 -0500 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:45264 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1etWoP-0006JL-33 for qemu-devel@nongnu.org; Wed, 07 Mar 2018 06:00:45 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 92AA3814F0CF for ; Wed, 7 Mar 2018 11:00:44 +0000 (UTC) Received: from secure.mitica (ovpn-116-34.ams2.redhat.com [10.36.116.34]) by smtp.corp.redhat.com (Postfix) with ESMTP id 79FD8215CDA7; Wed, 7 Mar 2018 11:00:43 +0000 (UTC) From: Juan Quintela To: qemu-devel@nongnu.org Date: Wed, 7 Mar 2018 12:00:05 +0100 Message-Id: <20180307110010.2205-20-quintela@redhat.com> In-Reply-To: <20180307110010.2205-1-quintela@redhat.com> References: <20180307110010.2205-1-quintela@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Wed, 07 Mar 2018 11:00:44 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Wed, 07 Mar 2018 11:00:44 +0000 (UTC) for IP:'10.11.54.6' DOMAIN:'int-mx06.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'quintela@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH v10 19/24] migration: Create multifd channels 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" In both sides. We still don't transmit anything through them. Signed-off-by: Juan Quintela --- migration/ram.c | 52 ++++++++++++++++++++++++++++++++++++++++++---------- 1 file changed, 42 insertions(+), 10 deletions(-) diff --git a/migration/ram.c b/migration/ram.c index b57d9fd667..7ef0c2b7e2 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -399,6 +399,7 @@ struct MultiFDSendParams { uint8_t id; char *name; QemuThread thread; + QIOChannel *c; QemuSemaphore sem; QemuMutex mutex; bool running; @@ -455,6 +456,8 @@ int multifd_save_cleanup(Error **errp) qemu_thread_join(&p->thread); p->running =3D false; } + socket_send_channel_destroy(p->c); + p->c =3D NULL; qemu_mutex_destroy(&p->mutex); qemu_sem_destroy(&p->sem); g_free(p->name); @@ -514,6 +517,27 @@ static void *multifd_send_thread(void *opaque) return NULL; } =20 +static void multifd_new_send_channel_async(QIOTask *task, gpointer opaque) +{ + MultiFDSendParams *p =3D opaque; + QIOChannel *sioc =3D QIO_CHANNEL(qio_task_get_source(task)); + Error *local_err =3D NULL; + + if (qio_task_propagate_error(task, &local_err)) { + if (multifd_save_cleanup(&local_err) !=3D 0) { + migrate_set_error(migrate_get_current(), local_err); + } + } else { + p->c =3D QIO_CHANNEL(sioc); + qio_channel_set_delay(p->c, false); + p->running =3D true; + qemu_thread_create(&p->thread, p->name, multifd_send_thread, p, + QEMU_THREAD_JOINABLE); + + atomic_inc(&multifd_send_state->count); + } +} + int multifd_save_setup(void) { int thread_count; @@ -536,11 +560,7 @@ int multifd_save_setup(void) p->quit =3D false; p->id =3D i; p->name =3D g_strdup_printf("multifdsend_%d", i); - p->running =3D true; - qemu_thread_create(&p->thread, p->name, multifd_send_thread, p, - QEMU_THREAD_JOINABLE); - - atomic_inc(&multifd_send_state->count); + socket_send_channel_create(multifd_new_send_channel_async, p); } =20 return 0; @@ -550,6 +570,7 @@ struct MultiFDRecvParams { uint8_t id; char *name; QemuThread thread; + QIOChannel *c; QemuSemaphore sem; QemuMutex mutex; bool running; @@ -606,6 +627,8 @@ int multifd_load_cleanup(Error **errp) qemu_thread_join(&p->thread); p->running =3D false; } + socket_recv_channel_unref(p->c); + p->c =3D NULL; qemu_mutex_destroy(&p->mutex); qemu_sem_destroy(&p->sem); g_free(p->name); @@ -688,10 +711,6 @@ int multifd_load_setup(void) p->quit =3D false; p->id =3D i; p->name =3D g_strdup_printf("multifdrecv_%d", i); - p->running =3D true; - qemu_thread_create(&p->thread, p->name, multifd_recv_thread, p, - QEMU_THREAD_JOINABLE); - atomic_inc(&multifd_recv_state->count); } =20 return 0; @@ -710,7 +729,20 @@ bool multifd_recv_all_channels_created(void) =20 void multifd_recv_new_channel(QIOChannel *ioc) { - /* nothing to do yet */ + MultiFDRecvParams *p; + /* we need to invent channels id's until we transmit */ + /* we will remove this on a later patch */ + static int i =3D 0; + + p =3D &multifd_recv_state->params[i]; + i++; + p->c =3D ioc; + socket_recv_channel_ref(ioc); + + p->running =3D true; + qemu_thread_create(&p->thread, p->name, multifd_recv_thread, p, + QEMU_THREAD_JOINABLE); + atomic_inc(&multifd_recv_state->count); } =20 /** --=20 2.14.3