From nobody Sun Feb 8 06:21:34 2026 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 1547747595258440.3461178705336; Thu, 17 Jan 2019 09:53:15 -0800 (PST) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2A9D2C073D7D; Thu, 17 Jan 2019 17:53:12 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E3B9860933; Thu, 17 Jan 2019 17:53:11 +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 6DFAB3F606; Thu, 17 Jan 2019 17:53:11 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id x0HHr9ZU005489 for ; Thu, 17 Jan 2019 12:53:09 -0500 Received: by smtp.corp.redhat.com (Postfix) id B3B1B600C9; Thu, 17 Jan 2019 17:53:09 +0000 (UTC) Received: from worklaptop.redhat.com (ovpn-122-144.rdu2.redhat.com [10.10.122.144]) by smtp.corp.redhat.com (Postfix) with ESMTP id 33E24600C6; Thu, 17 Jan 2019 17:53:05 +0000 (UTC) From: Cole Robinson To: libvirt-list@redhat.com Date: Thu, 17 Jan 2019 12:52:30 -0500 Message-Id: In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-loop: libvir-list@redhat.com Subject: [libvirt] [PATCH 03/18] qemu: Support disk model=virtio-{non-}transitional 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: , 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 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Thu, 17 Jan 2019 17:53:13 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Add new model values for virtio transitional devices. When combined with bus=3D'virtio': * "virtio-transitional" maps to qemu "virtio-blk-pci-transitional" * "virtio-non-transitional" maps to qemu "virtio-blk-pci-non-transitional" Signed-off-by: Cole Robinson --- src/qemu/qemu_capabilities.c | 4 + src/qemu/qemu_capabilities.h | 2 + src/qemu/qemu_command.c | 90 ++++++++++++++++++- src/qemu/qemu_domain_address.c | 2 + .../caps_4.0.0.x86_64.xml | 2 + .../virtio-non-transitional.x86_64-3.1.0.args | 4 +- ...virtio-non-transitional.x86_64-latest.args | 4 +- .../virtio-transitional.x86_64-3.1.0.args | 5 +- .../virtio-transitional.x86_64-latest.args | 7 +- .../virtio-transitional.xml | 10 ++- 10 files changed, 117 insertions(+), 13 deletions(-) diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index f504db7d05..b7c0387f8e 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -520,6 +520,8 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST, /* 325 */ "memory-backend-file.pmem", "nvdimm.unarmed", + "virtio-blk-pci-transitional", + "virtio-blk-pci-non-transitional", ); =20 =20 @@ -1108,6 +1110,8 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[= ] =3D { { "vfio-ap", QEMU_CAPS_DEVICE_VFIO_AP }, { "zpci", QEMU_CAPS_DEVICE_ZPCI }, { "memory-backend-memfd", QEMU_CAPS_OBJECT_MEMORY_MEMFD }, + {"virtio-blk-pci-transitional", QEMU_CAPS_DEVICE_VIRTIO_BLK_TRANSITION= AL}, + {"virtio-blk-pci-non-transitional", QEMU_CAPS_DEVICE_VIRTIO_BLK_NON_TR= ANSITIONAL}, }; =20 static struct virQEMUCapsStringFlags virQEMUCapsDevicePropsVirtioBalloon[]= =3D { diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h index 6d5ed8a3cc..34265d7cc0 100644 --- a/src/qemu/qemu_capabilities.h +++ b/src/qemu/qemu_capabilities.h @@ -504,6 +504,8 @@ typedef enum { /* virQEMUCapsFlags grouping marker for = syntax-check */ /* 325 */ QEMU_CAPS_OBJECT_MEMORY_FILE_PMEM, /* -object memory-backend-file,pmem= =3D */ QEMU_CAPS_DEVICE_NVDIMM_UNARMED, /* -device nvdimm,unarmed=3D */ + QEMU_CAPS_DEVICE_VIRTIO_BLK_TRANSITIONAL, /* -device virtio-blk-pci-tr= ansitional */ + QEMU_CAPS_DEVICE_VIRTIO_BLK_NON_TRANSITIONAL, /* -device virtio-blk-pc= i-non-transitional */ =20 QEMU_CAPS_LAST /* this must always be the last item */ } virQEMUCapsFlags; diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 822d5f8669..608cd65806 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -443,6 +443,91 @@ qemuBuildVirtioDevStr(virBufferPtr buf, return 0; } =20 +static int +qemuBuildVirtioTransitional(virBufferPtr buf, + const char *baseName, + virQEMUCapsPtr qemuCaps, + virDomainDeviceAddressType type, + int model, + virDomainDeviceType devtype) +{ + int tmodel_cap, ntmodel_cap; + bool has_tmodel, has_ntmodel; + + if (qemuBuildVirtioDevStr(buf, baseName, type) < 0) + return -1; + + switch (devtype) { + case VIR_DOMAIN_DEVICE_DISK: + has_tmodel =3D model =3D=3D VIR_DOMAIN_DISK_MODEL_VIRTIO_TRANS= ITIONAL; + has_ntmodel =3D model =3D=3D VIR_DOMAIN_DISK_MODEL_VIRTIO_NON_= TRANSITIONAL; + tmodel_cap =3D QEMU_CAPS_DEVICE_VIRTIO_BLK_TRANSITIONAL; + ntmodel_cap =3D QEMU_CAPS_DEVICE_VIRTIO_BLK_NON_TRANSITIONAL; + break; + + case VIR_DOMAIN_DEVICE_LEASE: + case VIR_DOMAIN_DEVICE_FS: + case VIR_DOMAIN_DEVICE_NET: + case VIR_DOMAIN_DEVICE_INPUT: + case VIR_DOMAIN_DEVICE_SOUND: + case VIR_DOMAIN_DEVICE_VIDEO: + case VIR_DOMAIN_DEVICE_HOSTDEV: + case VIR_DOMAIN_DEVICE_WATCHDOG: + case VIR_DOMAIN_DEVICE_CONTROLLER: + case VIR_DOMAIN_DEVICE_GRAPHICS: + case VIR_DOMAIN_DEVICE_HUB: + case VIR_DOMAIN_DEVICE_REDIRDEV: + case VIR_DOMAIN_DEVICE_NONE: + case VIR_DOMAIN_DEVICE_SMARTCARD: + case VIR_DOMAIN_DEVICE_CHR: + case VIR_DOMAIN_DEVICE_MEMBALLOON: + case VIR_DOMAIN_DEVICE_NVRAM: + case VIR_DOMAIN_DEVICE_SHMEM: + case VIR_DOMAIN_DEVICE_TPM: + case VIR_DOMAIN_DEVICE_PANIC: + case VIR_DOMAIN_DEVICE_RNG: + case VIR_DOMAIN_DEVICE_MEMORY: + case VIR_DOMAIN_DEVICE_IOMMU: + case VIR_DOMAIN_DEVICE_VSOCK: + case VIR_DOMAIN_DEVICE_LAST: + default: + return 0; + } + + if (type !=3D VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI && + (has_tmodel || has_ntmodel)) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, + _("virtio transitional models are not supported " + "for address type=3D%s"), + virDomainDeviceAddressTypeToString(type)); + return -1; + } + + if (has_tmodel) { + if (virQEMUCapsGet(qemuCaps, tmodel_cap)) + virBufferAddLit(buf, "-transitional"); + + /* No error for if -transitional is not supported: our address + * allocation will force the device into plain PCI bus, which + * is functionally identical to standard 'virtio-XXX' behavior + */ + } else if (has_ntmodel) { + if (virQEMUCapsGet(qemuCaps, ntmodel_cap)) { + virBufferAddLit(buf, "-non-transitional"); + } else if (virQEMUCapsGet(qemuCaps, + QEMU_CAPS_VIRTIO_PCI_DISABLE_LEGACY)) { + virBufferAddLit(buf, ",disable-legacy=3Don"); + } else { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("virtio non-transitional model not supported " + "for this qemu")); + return -1; + } + } + + return 0; +} + =20 static int qemuBuildVirtioOptionsStr(virBufferPtr buf, @@ -2049,7 +2134,10 @@ qemuBuildDiskDeviceStr(const virDomainDef *def, break; =20 case VIR_DOMAIN_DISK_BUS_VIRTIO: - if (qemuBuildVirtioDevStr(&opt, "virtio-blk", disk->info.type) < 0) + if (qemuBuildVirtioTransitional(&opt, "virtio-blk", qemuCaps, + disk->info.type, + disk->model, + VIR_DOMAIN_DEVICE_DISK) < 0) goto error; =20 if (disk->iothread) diff --git a/src/qemu/qemu_domain_address.c b/src/qemu/qemu_domain_address.c index bd6c4031e0..4a7c71d76d 100644 --- a/src/qemu/qemu_domain_address.c +++ b/src/qemu/qemu_domain_address.c @@ -723,6 +723,8 @@ qemuDomainDeviceCalculatePCIConnectFlags(virDomainDevic= eDefPtr dev, case VIR_DOMAIN_DEVICE_DISK: switch ((virDomainDiskBus) dev->data.disk->bus) { case VIR_DOMAIN_DISK_BUS_VIRTIO: + if (dev->data.disk->model =3D=3D VIR_DOMAIN_DISK_MODEL_VIRTIO_= TRANSITIONAL) + return pciFlags; return virtioFlags; /* only virtio disks use PCI */ =20 case VIR_DOMAIN_DISK_BUS_IDE: diff --git a/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml b/tests/qemuc= apabilitiesdata/caps_4.0.0.x86_64.xml index c2db392e83..8cf9083035 100644 --- a/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml +++ b/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml @@ -212,6 +212,8 @@ + + 3001050 0 446361 diff --git a/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-3.1.0.ar= gs b/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-3.1.0.args index 9e11e900da..9c5d553077 100644 --- a/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-3.1.0.args +++ b/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-3.1.0.args @@ -27,8 +27,8 @@ file=3D/tmp/lib/domain--1-QEMUGuest1/master-key.aes \ addr=3D0x1 \ -device pcie-root-port,port=3D0x9,chassis=3D2,id=3Dpci.2,bus=3Dpcie.0,addr= =3D0x1.0x1 \ -drive file=3D/dev/HostVG/QEMUGuest1,format=3Draw,if=3Dnone,id=3Ddrive-vir= tio-disk0 \ --device virtio-blk-pci,scsi=3Doff,bus=3Dpci.1,addr=3D0x0,drive=3Ddrive-vir= tio-disk0,\ -id=3Dvirtio-disk0,bootindex=3D1 \ +-device virtio-blk-pci,disable-legacy=3Don,scsi=3Doff,bus=3Dpci.1,addr=3D0= x0,\ +drive=3Ddrive-virtio-disk0,id=3Dvirtio-disk0,bootindex=3D1 \ -sandbox on,obsolete=3Ddeny,elevateprivileges=3Ddeny,spawn=3Ddeny,\ resourcecontrol=3Ddeny \ -msg timestamp=3Don diff --git a/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-latest.a= rgs b/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-latest.args index 070b4b8334..37078765bc 100644 --- a/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-latest.args +++ b/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-latest.args @@ -27,8 +27,8 @@ file=3D/tmp/lib/domain--1-QEMUGuest1/master-key.aes \ addr=3D0x1 \ -device pcie-root-port,port=3D0x9,chassis=3D2,id=3Dpci.2,bus=3Dpcie.0,addr= =3D0x1.0x1 \ -drive file=3D/dev/HostVG/QEMUGuest1,format=3Draw,if=3Dnone,id=3Ddrive-vir= tio-disk0 \ --device virtio-blk-pci,scsi=3Doff,bus=3Dpci.1,addr=3D0x0,drive=3Ddrive-vir= tio-disk0,\ -id=3Dvirtio-disk0,bootindex=3D1 \ +-device virtio-blk-pci-non-transitional,scsi=3Doff,bus=3Dpci.1,addr=3D0x0,\ +drive=3Ddrive-virtio-disk0,id=3Dvirtio-disk0,bootindex=3D1 \ -sandbox on,obsolete=3Ddeny,elevateprivileges=3Ddeny,spawn=3Ddeny,\ resourcecontrol=3Ddeny \ -msg timestamp=3Don diff --git a/tests/qemuxml2argvdata/virtio-transitional.x86_64-3.1.0.args b= /tests/qemuxml2argvdata/virtio-transitional.x86_64-3.1.0.args index 9e11e900da..356e8fdf4c 100644 --- a/tests/qemuxml2argvdata/virtio-transitional.x86_64-3.1.0.args +++ b/tests/qemuxml2argvdata/virtio-transitional.x86_64-3.1.0.args @@ -25,9 +25,10 @@ file=3D/tmp/lib/domain--1-QEMUGuest1/master-key.aes \ -boot strict=3Don \ -device pcie-root-port,port=3D0x8,chassis=3D1,id=3Dpci.1,bus=3Dpcie.0,mult= ifunction=3Don,\ addr=3D0x1 \ --device pcie-root-port,port=3D0x9,chassis=3D2,id=3Dpci.2,bus=3Dpcie.0,addr= =3D0x1.0x1 \ +-device pcie-pci-bridge,id=3Dpci.2,bus=3Dpci.1,addr=3D0x0 \ +-device pcie-root-port,port=3D0x9,chassis=3D3,id=3Dpci.3,bus=3Dpcie.0,addr= =3D0x1.0x1 \ -drive file=3D/dev/HostVG/QEMUGuest1,format=3Draw,if=3Dnone,id=3Ddrive-vir= tio-disk0 \ --device virtio-blk-pci,scsi=3Doff,bus=3Dpci.1,addr=3D0x0,drive=3Ddrive-vir= tio-disk0,\ +-device virtio-blk-pci,scsi=3Doff,bus=3Dpci.2,addr=3D0x1,drive=3Ddrive-vir= tio-disk0,\ id=3Dvirtio-disk0,bootindex=3D1 \ -sandbox on,obsolete=3Ddeny,elevateprivileges=3Ddeny,spawn=3Ddeny,\ resourcecontrol=3Ddeny \ diff --git a/tests/qemuxml2argvdata/virtio-transitional.x86_64-latest.args = b/tests/qemuxml2argvdata/virtio-transitional.x86_64-latest.args index 070b4b8334..e78223eac8 100644 --- a/tests/qemuxml2argvdata/virtio-transitional.x86_64-latest.args +++ b/tests/qemuxml2argvdata/virtio-transitional.x86_64-latest.args @@ -25,10 +25,11 @@ file=3D/tmp/lib/domain--1-QEMUGuest1/master-key.aes \ -boot strict=3Don \ -device pcie-root-port,port=3D0x8,chassis=3D1,id=3Dpci.1,bus=3Dpcie.0,mult= ifunction=3Don,\ addr=3D0x1 \ --device pcie-root-port,port=3D0x9,chassis=3D2,id=3Dpci.2,bus=3Dpcie.0,addr= =3D0x1.0x1 \ +-device pcie-pci-bridge,id=3Dpci.2,bus=3Dpci.1,addr=3D0x0 \ +-device pcie-root-port,port=3D0x9,chassis=3D3,id=3Dpci.3,bus=3Dpcie.0,addr= =3D0x1.0x1 \ -drive file=3D/dev/HostVG/QEMUGuest1,format=3Draw,if=3Dnone,id=3Ddrive-vir= tio-disk0 \ --device virtio-blk-pci,scsi=3Doff,bus=3Dpci.1,addr=3D0x0,drive=3Ddrive-vir= tio-disk0,\ -id=3Dvirtio-disk0,bootindex=3D1 \ +-device virtio-blk-pci-transitional,scsi=3Doff,bus=3Dpci.2,addr=3D0x1,\ +drive=3Ddrive-virtio-disk0,id=3Dvirtio-disk0,bootindex=3D1 \ -sandbox on,obsolete=3Ddeny,elevateprivileges=3Ddeny,spawn=3Ddeny,\ resourcecontrol=3Ddeny \ -msg timestamp=3Don diff --git a/tests/qemuxml2xmloutdata/virtio-transitional.xml b/tests/qemux= ml2xmloutdata/virtio-transitional.xml index 1d28af9abb..c19e133bb3 100644 --- a/tests/qemuxml2xmloutdata/virtio-transitional.xml +++ b/tests/qemuxml2xmloutdata/virtio-transitional.xml @@ -18,7 +18,7 @@ -
+
@@ -30,9 +30,13 @@
- + + +
+ + - +
--=20 2.20.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list