From nobody Wed May 14 13:56:09 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1524065645186188.89830710303102; Wed, 18 Apr 2018 08:34:05 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B3D4885A04; Wed, 18 Apr 2018 15:34:03 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 54C8881F06; Wed, 18 Apr 2018 15:34:03 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id C81CA180215F; Wed, 18 Apr 2018 15:34:02 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w3IFXq4p009082 for ; Wed, 18 Apr 2018 11:33:53 -0400 Received: by smtp.corp.redhat.com (Postfix) id C1B251134CD2; Wed, 18 Apr 2018 15:33:52 +0000 (UTC) Received: from angien.brq.redhat.com (unknown [10.43.2.136]) by smtp.corp.redhat.com (Postfix) with ESMTP id 485FD1134CCD; Wed, 18 Apr 2018 15:33:52 +0000 (UTC) From: Peter Krempa To: libvir-list@redhat.com Date: Wed, 18 Apr 2018 17:33:37 +0200 Message-Id: <0cf187f06422a1935f4abb8c3ad41bda27197f26.1524065411.git.pkrempa@redhat.com> In-Reply-To: References: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-loop: libvir-list@redhat.com Cc: Peter Krempa Subject: [libvirt] [PATCH v3 6/7] qemu: caps: Add capability for 'write-cache' parameter of disk frontends X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Wed, 18 Apr 2018 15:34:04 +0000 (UTC) X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" QEMU translates the cache mode of a disk internally into 3 flags. 'write-cache' is a flag of the frontend while others are flag of the backing storage. Add capability which will allow expressing it via the frontend attribute. Signed-off-by: Peter Krempa --- src/qemu/qemu_capabilities.c | 5 +++++ src/qemu/qemu_capabilities.h | 1 + tests/qemucapabilitiesdata/caps_2.10.0.aarch64.xml | 1 + tests/qemucapabilitiesdata/caps_2.10.0.ppc64.xml | 1 + tests/qemucapabilitiesdata/caps_2.10.0.s390x.xml | 1 + tests/qemucapabilitiesdata/caps_2.10.0.x86_64.xml | 1 + tests/qemucapabilitiesdata/caps_2.11.0.s390x.xml | 1 + tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml | 1 + tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml | 1 + tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml | 1 + tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml | 1 + tests/qemucapabilitiesdata/caps_2.7.0.s390x.xml | 1 + tests/qemucapabilitiesdata/caps_2.7.0.x86_64.xml | 1 + tests/qemucapabilitiesdata/caps_2.8.0.s390x.xml | 1 + tests/qemucapabilitiesdata/caps_2.8.0.x86_64.xml | 1 + tests/qemucapabilitiesdata/caps_2.9.0.ppc64.xml | 1 + tests/qemucapabilitiesdata/caps_2.9.0.s390x.xml | 1 + tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml | 1 + 18 files changed, 22 insertions(+) diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index 42248dd19a..ad387e698c 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -472,6 +472,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST, /* 290 */ "query-cpus-fast", + "disk-write-cache", ); @@ -1118,6 +1119,7 @@ static struct virQEMUCapsStringFlags virQEMUCapsObjec= tPropsVirtioBlk[] =3D { { "disable-legacy", QEMU_CAPS_VIRTIO_PCI_DISABLE_LEGACY }, { "iommu_platform", QEMU_CAPS_VIRTIO_PCI_IOMMU_PLATFORM }, { "ats", QEMU_CAPS_VIRTIO_PCI_ATS }, + { "write-cache", QEMU_CAPS_DISK_WRITE_CACHE }, }; static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsVirtioNet[] =3D= { @@ -1155,11 +1157,13 @@ static struct virQEMUCapsStringFlags virQEMUCapsObj= ectPropsSCSIDisk[] =3D { { "channel", QEMU_CAPS_SCSI_DISK_CHANNEL }, { "wwn", QEMU_CAPS_SCSI_DISK_WWN }, { "share-rw", QEMU_CAPS_DISK_SHARE_RW }, + { "write-cache", QEMU_CAPS_DISK_WRITE_CACHE }, }; static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsIDEDrive[] =3D { { "wwn", QEMU_CAPS_IDE_DRIVE_WWN }, { "share-rw", QEMU_CAPS_DISK_SHARE_RW }, + { "write-cache", QEMU_CAPS_DISK_WRITE_CACHE }, }; static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsPiix4PM[] =3D { @@ -1191,6 +1195,7 @@ static struct virQEMUCapsStringFlags virQEMUCapsObjec= tPropsQ35PCIHost[] =3D { static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsUSBStorage[] = =3D { { "removable", QEMU_CAPS_USB_STORAGE_REMOVABLE }, { "share-rw", QEMU_CAPS_DISK_SHARE_RW }, + { "write-cache", QEMU_CAPS_DISK_WRITE_CACHE }, }; static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsKVMPit[] =3D { diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h index 3962c9c443..f08cfc2611 100644 --- a/src/qemu/qemu_capabilities.h +++ b/src/qemu/qemu_capabilities.h @@ -456,6 +456,7 @@ typedef enum { /* 290 */ QEMU_CAPS_QUERY_CPUS_FAST, /* query-cpus-fast command */ + QEMU_CAPS_DISK_WRITE_CACHE, /* qemu block frontends support write-cach= e param */ QEMU_CAPS_LAST /* this must always be the last item */ } virQEMUCapsFlags; diff --git a/tests/qemucapabilitiesdata/caps_2.10.0.aarch64.xml b/tests/qem= ucapabilitiesdata/caps_2.10.0.aarch64.xml index 88616e57f0..527b425dee 100644 --- a/tests/qemucapabilitiesdata/caps_2.10.0.aarch64.xml +++ b/tests/qemucapabilitiesdata/caps_2.10.0.aarch64.xml @@ -152,6 +152,7 @@ + 2010000 0 303541 diff --git a/tests/qemucapabilitiesdata/caps_2.10.0.ppc64.xml b/tests/qemuc= apabilitiesdata/caps_2.10.0.ppc64.xml index 91f80a277f..3ac6be2d88 100644 --- a/tests/qemucapabilitiesdata/caps_2.10.0.ppc64.xml +++ b/tests/qemucapabilitiesdata/caps_2.10.0.ppc64.xml @@ -151,6 +151,7 @@ + 2010000 0 382824 diff --git a/tests/qemucapabilitiesdata/caps_2.10.0.s390x.xml b/tests/qemuc= apabilitiesdata/caps_2.10.0.s390x.xml index c599b66f56..b682d36c93 100644 --- a/tests/qemucapabilitiesdata/caps_2.10.0.s390x.xml +++ b/tests/qemucapabilitiesdata/caps_2.10.0.s390x.xml @@ -112,6 +112,7 @@ + 2010000 0 303326 diff --git a/tests/qemucapabilitiesdata/caps_2.10.0.x86_64.xml b/tests/qemu= capabilitiesdata/caps_2.10.0.x86_64.xml index 9e95b68457..8dd30ccbcf 100644 --- a/tests/qemucapabilitiesdata/caps_2.10.0.x86_64.xml +++ b/tests/qemucapabilitiesdata/caps_2.10.0.x86_64.xml @@ -195,6 +195,7 @@ + 2010000 0 344938 diff --git a/tests/qemucapabilitiesdata/caps_2.11.0.s390x.xml b/tests/qemuc= apabilitiesdata/caps_2.11.0.s390x.xml index eb6ae2f39e..6dd392502e 100644 --- a/tests/qemucapabilitiesdata/caps_2.11.0.s390x.xml +++ b/tests/qemucapabilitiesdata/caps_2.11.0.s390x.xml @@ -117,6 +117,7 @@ + 2011000 0 342058 diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml b/tests/qem= ucapabilitiesdata/caps_2.12.0.aarch64.xml index d50a440776..31c5d0dd23 100644 --- a/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml +++ b/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml @@ -156,6 +156,7 @@ + 2011090 0 342346 diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml b/tests/qemuc= apabilitiesdata/caps_2.12.0.ppc64.xml index c4cdd248b0..7dead4a1f4 100644 --- a/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml +++ b/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml @@ -153,6 +153,7 @@ + 2011090 0 419215 diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml b/tests/qemuc= apabilitiesdata/caps_2.12.0.s390x.xml index 122801dd30..70ae8f91c7 100644 --- a/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml +++ b/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml @@ -118,6 +118,7 @@ + 2011090 0 0 diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml b/tests/qemu= capabilitiesdata/caps_2.12.0.x86_64.xml index 37c9243a58..d809a78380 100644 --- a/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml +++ b/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml @@ -194,6 +194,7 @@ + 2011090 0 390060 diff --git a/tests/qemucapabilitiesdata/caps_2.7.0.s390x.xml b/tests/qemuca= pabilitiesdata/caps_2.7.0.s390x.xml index a585af453c..34eed23694 100644 --- a/tests/qemucapabilitiesdata/caps_2.7.0.s390x.xml +++ b/tests/qemucapabilitiesdata/caps_2.7.0.s390x.xml @@ -102,6 +102,7 @@ + 2007000 0 216732 diff --git a/tests/qemucapabilitiesdata/caps_2.7.0.x86_64.xml b/tests/qemuc= apabilitiesdata/caps_2.7.0.x86_64.xml index 55c121c596..ee4b25d7fd 100644 --- a/tests/qemucapabilitiesdata/caps_2.7.0.x86_64.xml +++ b/tests/qemucapabilitiesdata/caps_2.7.0.x86_64.xml @@ -175,6 +175,7 @@ + 2007000 0 239029 diff --git a/tests/qemucapabilitiesdata/caps_2.8.0.s390x.xml b/tests/qemuca= pabilitiesdata/caps_2.8.0.s390x.xml index 1ac60bb403..21046c0546 100644 --- a/tests/qemucapabilitiesdata/caps_2.8.0.s390x.xml +++ b/tests/qemucapabilitiesdata/caps_2.8.0.s390x.xml @@ -104,6 +104,7 @@ + 2007093 0 241633 diff --git a/tests/qemucapabilitiesdata/caps_2.8.0.x86_64.xml b/tests/qemuc= apabilitiesdata/caps_2.8.0.x86_64.xml index 831a768977..c4801ac23a 100644 --- a/tests/qemucapabilitiesdata/caps_2.8.0.x86_64.xml +++ b/tests/qemucapabilitiesdata/caps_2.8.0.x86_64.xml @@ -177,6 +177,7 @@ + 2008000 0 255684 diff --git a/tests/qemucapabilitiesdata/caps_2.9.0.ppc64.xml b/tests/qemuca= pabilitiesdata/caps_2.9.0.ppc64.xml index 4998edf7a0..73f42a7392 100644 --- a/tests/qemucapabilitiesdata/caps_2.9.0.ppc64.xml +++ b/tests/qemucapabilitiesdata/caps_2.9.0.ppc64.xml @@ -143,6 +143,7 @@ + 2009000 0 346538 diff --git a/tests/qemucapabilitiesdata/caps_2.9.0.s390x.xml b/tests/qemuca= pabilitiesdata/caps_2.9.0.s390x.xml index d29994bbfd..30fce6ecf1 100644 --- a/tests/qemucapabilitiesdata/caps_2.9.0.s390x.xml +++ b/tests/qemucapabilitiesdata/caps_2.9.0.s390x.xml @@ -107,6 +107,7 @@ + 2009000 0 265051 diff --git a/tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml b/tests/qemuc= apabilitiesdata/caps_2.9.0.x86_64.xml index d813a96a13..e1dc257a75 100644 --- a/tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml +++ b/tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml @@ -190,6 +190,7 @@ + 2009000 0 320947 --=20 2.16.2 -- libvir-list mailing list libvir-list@redhat.com 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