From nobody Mon Feb 9 16:00:53 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of redhat.com designates 170.10.129.124 as permitted sender) client-ip=170.10.129.124; envelope-from=libvir-list-bounces@redhat.com; helo=us-smtp-delivery-124.mimecast.com; Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=fail(p=none dis=none) header.from=suse.de Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mx.zohomail.com with SMTPS id 1654593610945154.4389293779136; Tue, 7 Jun 2022 02:20:10 -0700 (PDT) Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-461-rkotPY-8NQ2W1nFIRZqDZA-1; Tue, 07 Jun 2022 05:19:55 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 9B55510726B7; Tue, 7 Jun 2022 09:19:49 +0000 (UTC) Received: from mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (unknown [10.30.29.100]) by smtp.corp.redhat.com (Postfix) with ESMTP id 847892026D2D; Tue, 7 Jun 2022 09:19:49 +0000 (UTC) Received: from mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (localhost [IPv6:::1]) by mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (Postfix) with ESMTP id 3FCE01947B83; Tue, 7 Jun 2022 09:19:49 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) by mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (Postfix) with ESMTP id D41811947B82 for ; Tue, 7 Jun 2022 09:19:47 +0000 (UTC) Received: by smtp.corp.redhat.com (Postfix) id B4D06C27E92; Tue, 7 Jun 2022 09:19:47 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast03.extmail.prod.ext.rdu2.redhat.com [10.11.55.19]) by smtp.corp.redhat.com (Postfix) with ESMTPS id B12D6C27E8F for ; Tue, 7 Jun 2022 09:19:47 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-2.mimecast.com [207.211.31.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 993F08117B0 for ; Tue, 7 Jun 2022 09:19:47 +0000 (UTC) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-319-NeDO6YC-PmOStzffAfoCfQ-1; Tue, 07 Jun 2022 05:19:45 -0400 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 811991F980; Tue, 7 Jun 2022 09:19:44 +0000 (UTC) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 3A55E13638; Tue, 7 Jun 2022 09:19:44 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id yMKaDDAYn2IoLwAAMHmgww (envelope-from ); Tue, 07 Jun 2022 09:19:44 +0000 X-MC-Unique: rkotPY-8NQ2W1nFIRZqDZA-1 X-Original-To: libvir-list@listman.corp.redhat.com X-MC-Unique: NeDO6YC-PmOStzffAfoCfQ-1 From: Claudio Fontana To: =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= Subject: [libvirt RFCv11 11/33] libvirt: add new VIR_DOMAIN_SAVE_PARALLEL flag and parameter Date: Tue, 7 Jun 2022 11:19:14 +0200 Message-Id: <20220607091936.7948-12-cfontana@suse.de> In-Reply-To: <20220607091936.7948-1-cfontana@suse.de> References: <20220607091936.7948-1-cfontana@suse.de> MIME-Version: 1.0 X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.85 on 10.11.54.8 X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: libvir-list@redhat.com, Claudio Fontana , "Dr . David Alan Gilbert" , Anthony Iliopoulos Errors-To: libvir-list-bounces@redhat.com Sender: "libvir-list" X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=libvir-list-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-ZM-MESSAGEID: 1654593611852100012 Content-Type: text/plain; charset="utf-8"; x-default="true" in order to enable parallel save functionality, we will need an opportune new flag and a parameter to specify the number of extra connections to use. Signed-off-by: Claudio Fontana --- include/libvirt/libvirt-domain.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/libvirt/libvirt-domain.h b/include/libvirt/libvirt-dom= ain.h index 24846046aa..0b73ee27b6 100644 --- a/include/libvirt/libvirt-domain.h +++ b/include/libvirt/libvirt-domain.h @@ -1555,6 +1555,7 @@ typedef enum { VIR_DOMAIN_SAVE_RUNNING =3D 1 << 1, /* Favor running over paused = (Since: 0.9.5) */ VIR_DOMAIN_SAVE_PAUSED =3D 1 << 2, /* Favor paused over running = (Since: 0.9.5) */ VIR_DOMAIN_SAVE_RESET_NVRAM =3D 1 << 3, /* Re-initialize NVRAM from t= emplate (Since: 8.1.0) */ + VIR_DOMAIN_SAVE_PARALLEL =3D 1 << 4, /* Parallel Save/Restore (Sin= ce: 8.4.0) */ } virDomainSaveRestoreFlags; =20 int virDomainSave (virDomainPtr domain, @@ -1600,6 +1601,18 @@ int virDomainRestoreParams (vir= ConnectPtr conn, */ # define VIR_DOMAIN_SAVE_PARAM_DXML "dxml" =20 +/** + * VIR_DOMAIN_SAVE_PARAM_PARALLEL_CONNECTIONS: + * + * this optional parameter mirrors the migration parameter + * VIR_MIGRATE_PARAM_PARALLEL_CONNECTIONS. + * + * It specifies the number of extra connections to use when transfering st= ate. + * + * Since: 8.4.0 + */ +# define VIR_DOMAIN_SAVE_PARAM_PARALLEL_CONNECTIONS "parallel.connecti= ons" + /* See below for virDomainSaveImageXMLFlags */ char * virDomainSaveImageGetXMLDesc (virConnectPtr conn, const char *file, --=20 2.26.2