From nobody Tue Mar 3 04:52:43 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) client-ip=8.43.85.245; envelope-from=devel-bounces@lists.libvirt.org; helo=lists.libvirt.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) smtp.mailfrom=devel-bounces@lists.libvirt.org; dmarc=pass(p=reject dis=none) header.from=lists.libvirt.org ARC-Seal: i=1; a=rsa-sha256; t=1771245072; cv=none; d=zohomail.com; s=zohoarc; b=fb924+me2ABiVBMgrvakxDRXA3Z3ZmroFfYpIcqtge2qS2Nj88linosD0iLKZ9zq8cSG1wc7UeoiNE8N4UFiA7KqpN5AfpAUVnR7s7JYQ72/fzZ0//MbFzwiwBkZ8QFVVlQ28K7LFmgNHrUgclgiLixDz9Ck2K3aySbrUWF7b2A= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1771245072; h=Content-Type:Content-Transfer-Encoding:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Owner:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:Reply-To:References:Subject:Subject:To:To:Message-Id:Cc; bh=C5mAr71ffD//N6PTYBUayf0eIrqiuuS+T+wqMmzwO+k=; b=NadX8Ian/ox5VMOcXg9TYsZp+BO0EaqQJAc0hN+1sY+hGEay3fGthrdYuT15nUe6maNIY3/z3EgiOdAtQx7vhHsIaETzS/Xcols/zD2HslfaCMGOeWcAkde9XJSacHac6T4zLZODhQc6IbfwJ1A2sBo9yQiF6HktAAEQ6LhMAxg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) smtp.mailfrom=devel-bounces@lists.libvirt.org; dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.libvirt.org (lists.libvirt.org [8.43.85.245]) by mx.zohomail.com with SMTPS id 1771245072615161.6836947147533; Mon, 16 Feb 2026 04:31:12 -0800 (PST) Received: by lists.libvirt.org (Postfix, from userid 993) id B18E341853; Mon, 16 Feb 2026 07:31:11 -0500 (EST) Received: from [172.19.199.9] (lists.libvirt.org [8.43.85.245]) by lists.libvirt.org (Postfix) with ESMTP id A7F1041882; Mon, 16 Feb 2026 07:28:31 -0500 (EST) Received: by lists.libvirt.org (Postfix, from userid 993) id E215F3F311; Mon, 16 Feb 2026 07:28:22 -0500 (EST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (3072 bits) server-digest SHA256) (No client certificate requested) by lists.libvirt.org (Postfix) with ESMTPS id 0E25B3F348 for ; Mon, 16 Feb 2026 07:28:22 -0500 (EST) Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-529-6qRGvTevOjKcc90VkBZ43Q-1; Mon, 16 Feb 2026 07:28:20 -0500 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 8D94F1955D7F for ; Mon, 16 Feb 2026 12:28:19 +0000 (UTC) Received: from antique-laptop.rosnicka.net (unknown [10.45.242.10]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id E052230001A5 for ; Mon, 16 Feb 2026 12:28:18 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on lists.libvirt.org X-Spam-Level: X-Spam-Status: No, score=-5.0 required=5.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED,RCVD_IN_VALIDITY_RPBL_BLOCKED, RCVD_IN_VALIDITY_SAFE_BLOCKED,SPF_PASS autolearn=unavailable autolearn_force=no version=4.0.1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1771244901; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=C5mAr71ffD//N6PTYBUayf0eIrqiuuS+T+wqMmzwO+k=; b=D8aJFfI57AJwYlOLbxWrcYyn72eBH4D8AmXLsTcqsgh/W/1upneGvnGfTbT6/tGCjDRFUd AXc6M2aPpaORy84AiMZuMAVLOMVU1srJfas0NFFcxH8Z8h0xtBCot1672RHkw65PfwEaq3 LrfUIqDox0H+OobGFsrsjUPUolG3TxA= X-MC-Unique: 6qRGvTevOjKcc90VkBZ43Q-1 X-Mimecast-MFC-AGG-ID: 6qRGvTevOjKcc90VkBZ43Q_1771244899 To: devel@lists.libvirt.org Subject: [libvirt PATCH 01/24] qemu: Introduce QEMU_CAPS_OBJECT_IOMMUFD Date: Mon, 16 Feb 2026 13:27:53 +0100 Message-ID: <14e4b5d3994ee737d89b76c593cb0f94199980bc.1771244723.git.phrdina@redhat.com> In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: SQWvsPgD-76v0Si5fliMHn6imsEimKzoJkc3kJ_AwyU_1771244899 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Message-ID-Hash: IL2TCD522ZAOOJVBR7NBLIP6AZD65KBJ X-Message-ID-Hash: IL2TCD522ZAOOJVBR7NBLIP6AZD65KBJ X-MailFrom: phrdina@redhat.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-devel.lists.libvirt.org-0; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Pavel Hrdina via Devel Reply-To: Pavel Hrdina X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1771245074057158500 Content-Type: text/plain; charset="utf-8"; x-default="true" Detect if QEMU was compiled with IOMMUFD. Signed-off-by: Pavel Hrdina --- src/qemu/qemu_capabilities.c | 2 ++ src/qemu/qemu_capabilities.h | 1 + src/qemu/qemu_validate.c | 8 ++++++++ tests/qemucapabilitiesdata/caps_10.0.0_aarch64.xml | 1 + tests/qemucapabilitiesdata/caps_10.0.0_s390x.xml | 1 + tests/qemucapabilitiesdata/caps_10.0.0_x86_64+amdsev.xml | 1 + tests/qemucapabilitiesdata/caps_10.0.0_x86_64.xml | 1 + tests/qemucapabilitiesdata/caps_10.1.0_s390x.xml | 1 + .../qemucapabilitiesdata/caps_10.1.0_x86_64+inteltdx.xml | 1 + tests/qemucapabilitiesdata/caps_10.1.0_x86_64.xml | 1 + tests/qemucapabilitiesdata/caps_10.2.0_aarch64.xml | 1 + tests/qemucapabilitiesdata/caps_10.2.0_x86_64+mshv.xml | 1 + tests/qemucapabilitiesdata/caps_10.2.0_x86_64.xml | 1 + tests/qemucapabilitiesdata/caps_11.0.0_aarch64.xml | 1 + tests/qemucapabilitiesdata/caps_11.0.0_x86_64.xml | 1 + tests/qemucapabilitiesdata/caps_9.0.0_x86_64.xml | 1 + tests/qemucapabilitiesdata/caps_9.1.0_s390x.xml | 1 + tests/qemucapabilitiesdata/caps_9.1.0_x86_64.xml | 1 + tests/qemucapabilitiesdata/caps_9.2.0_s390x.xml | 1 + tests/qemucapabilitiesdata/caps_9.2.0_x86_64+amdsev.xml | 1 + tests/qemucapabilitiesdata/caps_9.2.0_x86_64.xml | 1 + 21 files changed, 29 insertions(+) diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index 67c60a3912..5a1545c727 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -759,6 +759,7 @@ VIR_ENUM_IMPL(virQEMUCaps, =20 /* 490 */ "scsi-block.migrate-pr", /* QEMU_CAPS_DEVICE_SCSI_BLOCK_MIGR= ATE_PR */ + "iommufd", /* QEMU_CAPS_OBJECT_IOMMUFD */ ); =20 =20 @@ -1466,6 +1467,7 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[= ] =3D { { "tpm-emulator", QEMU_CAPS_DEVICE_TPM_EMULATOR }, { "tpm-passthrough", QEMU_CAPS_DEVICE_TPM_PASSTHROUGH }, { "acpi-generic-initiator", QEMU_CAPS_ACPI_GENERIC_INITIATOR }, + { "iommufd", QEMU_CAPS_OBJECT_IOMMUFD }, }; =20 =20 diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h index 86ebe16b50..8d5c5cc94c 100644 --- a/src/qemu/qemu_capabilities.h +++ b/src/qemu/qemu_capabilities.h @@ -734,6 +734,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for = syntax-check */ =20 /* 490 */ QEMU_CAPS_DEVICE_SCSI_BLOCK_MIGRATE_PR, /* persistent reservation migr= ation support */ + QEMU_CAPS_OBJECT_IOMMUFD, /* -object iommufd */ =20 QEMU_CAPS_LAST /* this must always be the last item */ } virQEMUCapsFlags; diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c index 2ca38db9f1..18700b5a9b 100644 --- a/src/qemu/qemu_validate.c +++ b/src/qemu/qemu_validate.c @@ -2722,6 +2722,14 @@ qemuValidateDomainDeviceDefHostdev(const virDomainHo= stdevDef *hostdev, _("VFIO PCI device assignment is not su= pported by this version of qemu")); return -1; } + + if (hostdev->source.subsys.u.pci.driver.iommufd =3D=3D VIR= _TRISTATE_BOOL_YES) { + if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_IOMMUFD= )) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("IOMMUFD is not supported by this= version of qemu")); + return -1; + } + } } =20 if (hostdev->writeFiltering !=3D VIR_TRISTATE_BOOL_ABSENT) { diff --git a/tests/qemucapabilitiesdata/caps_10.0.0_aarch64.xml b/tests/qem= ucapabilitiesdata/caps_10.0.0_aarch64.xml index c2bffe88ad..e5f55f461a 100644 --- a/tests/qemucapabilitiesdata/caps_10.0.0_aarch64.xml +++ b/tests/qemucapabilitiesdata/caps_10.0.0_aarch64.xml @@ -164,6 +164,7 @@ + 10000000 61700285 v10.0.0 diff --git a/tests/qemucapabilitiesdata/caps_10.0.0_s390x.xml b/tests/qemuc= apabilitiesdata/caps_10.0.0_s390x.xml index 410f7c324c..96eadffcec 100644 --- a/tests/qemucapabilitiesdata/caps_10.0.0_s390x.xml +++ b/tests/qemucapabilitiesdata/caps_10.0.0_s390x.xml @@ -137,6 +137,7 @@ + 10000000 39100285 v10.0.0 diff --git a/tests/qemucapabilitiesdata/caps_10.0.0_x86_64+amdsev.xml b/tes= ts/qemucapabilitiesdata/caps_10.0.0_x86_64+amdsev.xml index a7166aba44..74a68c8402 100644 --- a/tests/qemucapabilitiesdata/caps_10.0.0_x86_64+amdsev.xml +++ b/tests/qemucapabilitiesdata/caps_10.0.0_x86_64+amdsev.xml @@ -210,6 +210,7 @@ + 10000000 43100285 v10.0.0 diff --git a/tests/qemucapabilitiesdata/caps_10.0.0_x86_64.xml b/tests/qemu= capabilitiesdata/caps_10.0.0_x86_64.xml index 4177eb06b6..d593dd1ab8 100644 --- a/tests/qemucapabilitiesdata/caps_10.0.0_x86_64.xml +++ b/tests/qemucapabilitiesdata/caps_10.0.0_x86_64.xml @@ -210,6 +210,7 @@ + 10000000 43100285 v10.0.0 diff --git a/tests/qemucapabilitiesdata/caps_10.1.0_s390x.xml b/tests/qemuc= apabilitiesdata/caps_10.1.0_s390x.xml index 9faa853da2..3e271824c6 100644 --- a/tests/qemucapabilitiesdata/caps_10.1.0_s390x.xml +++ b/tests/qemucapabilitiesdata/caps_10.1.0_s390x.xml @@ -141,6 +141,7 @@ + 10001000 39100286 v10.1.0 diff --git a/tests/qemucapabilitiesdata/caps_10.1.0_x86_64+inteltdx.xml b/t= ests/qemucapabilitiesdata/caps_10.1.0_x86_64+inteltdx.xml index d5566234a2..512186a341 100644 --- a/tests/qemucapabilitiesdata/caps_10.1.0_x86_64+inteltdx.xml +++ b/tests/qemucapabilitiesdata/caps_10.1.0_x86_64+inteltdx.xml @@ -193,6 +193,7 @@ + 10001000 43100286 v10.1.0 diff --git a/tests/qemucapabilitiesdata/caps_10.1.0_x86_64.xml b/tests/qemu= capabilitiesdata/caps_10.1.0_x86_64.xml index 12d2b262a5..d6f1009c77 100644 --- a/tests/qemucapabilitiesdata/caps_10.1.0_x86_64.xml +++ b/tests/qemucapabilitiesdata/caps_10.1.0_x86_64.xml @@ -215,6 +215,7 @@ + 10001000 43100286 v10.1.0 diff --git a/tests/qemucapabilitiesdata/caps_10.2.0_aarch64.xml b/tests/qem= ucapabilitiesdata/caps_10.2.0_aarch64.xml index 7154cdb66c..54d10e1433 100644 --- a/tests/qemucapabilitiesdata/caps_10.2.0_aarch64.xml +++ b/tests/qemucapabilitiesdata/caps_10.2.0_aarch64.xml @@ -183,6 +183,7 @@ + 10002000 61700287 v10.2.0 diff --git a/tests/qemucapabilitiesdata/caps_10.2.0_x86_64+mshv.xml b/tests= /qemucapabilitiesdata/caps_10.2.0_x86_64+mshv.xml index 0d627136e8..38f6a0f6c3 100644 --- a/tests/qemucapabilitiesdata/caps_10.2.0_x86_64+mshv.xml +++ b/tests/qemucapabilitiesdata/caps_10.2.0_x86_64+mshv.xml @@ -203,6 +203,7 @@ + 10002000 43100287 v10.2.0 diff --git a/tests/qemucapabilitiesdata/caps_10.2.0_x86_64.xml b/tests/qemu= capabilitiesdata/caps_10.2.0_x86_64.xml index 5eae704512..1ed21b9bf7 100644 --- a/tests/qemucapabilitiesdata/caps_10.2.0_x86_64.xml +++ b/tests/qemucapabilitiesdata/caps_10.2.0_x86_64.xml @@ -216,6 +216,7 @@ + 10002000 43100287 v10.2.0 diff --git a/tests/qemucapabilitiesdata/caps_11.0.0_aarch64.xml b/tests/qem= ucapabilitiesdata/caps_11.0.0_aarch64.xml index 89c02268e4..4e6edf8df9 100644 --- a/tests/qemucapabilitiesdata/caps_11.0.0_aarch64.xml +++ b/tests/qemucapabilitiesdata/caps_11.0.0_aarch64.xml @@ -184,6 +184,7 @@ + 10002050 61700286 v10.2.0-1114-gb3abdfa486 diff --git a/tests/qemucapabilitiesdata/caps_11.0.0_x86_64.xml b/tests/qemu= capabilitiesdata/caps_11.0.0_x86_64.xml index 89e45331f6..22eaff6545 100644 --- a/tests/qemucapabilitiesdata/caps_11.0.0_x86_64.xml +++ b/tests/qemucapabilitiesdata/caps_11.0.0_x86_64.xml @@ -217,6 +217,7 @@ + 10002050 43100286 v10.2.0-1114-gb3abdfa486 diff --git a/tests/qemucapabilitiesdata/caps_9.0.0_x86_64.xml b/tests/qemuc= apabilitiesdata/caps_9.0.0_x86_64.xml index 43c174e0e6..3b4aaa202c 100644 --- a/tests/qemucapabilitiesdata/caps_9.0.0_x86_64.xml +++ b/tests/qemucapabilitiesdata/caps_9.0.0_x86_64.xml @@ -205,6 +205,7 @@ + 9000000 43100245 v9.0.0 diff --git a/tests/qemucapabilitiesdata/caps_9.1.0_s390x.xml b/tests/qemuca= pabilitiesdata/caps_9.1.0_s390x.xml index 78b7493b53..02c8e6f641 100644 --- a/tests/qemucapabilitiesdata/caps_9.1.0_s390x.xml +++ b/tests/qemucapabilitiesdata/caps_9.1.0_s390x.xml @@ -127,6 +127,7 @@ + 9001000 39100246 v9.1.0 diff --git a/tests/qemucapabilitiesdata/caps_9.1.0_x86_64.xml b/tests/qemuc= apabilitiesdata/caps_9.1.0_x86_64.xml index d68bb783e8..84972cba68 100644 --- a/tests/qemucapabilitiesdata/caps_9.1.0_x86_64.xml +++ b/tests/qemucapabilitiesdata/caps_9.1.0_x86_64.xml @@ -204,6 +204,7 @@ + 9001000 43100246 v9.1.0 diff --git a/tests/qemucapabilitiesdata/caps_9.2.0_s390x.xml b/tests/qemuca= pabilitiesdata/caps_9.2.0_s390x.xml index 01fb50038d..135812b527 100644 --- a/tests/qemucapabilitiesdata/caps_9.2.0_s390x.xml +++ b/tests/qemucapabilitiesdata/caps_9.2.0_s390x.xml @@ -130,6 +130,7 @@ + 9002000 39100247 v9.2.0 diff --git a/tests/qemucapabilitiesdata/caps_9.2.0_x86_64+amdsev.xml b/test= s/qemucapabilitiesdata/caps_9.2.0_x86_64+amdsev.xml index ac936bc17b..5097fc3900 100644 --- a/tests/qemucapabilitiesdata/caps_9.2.0_x86_64+amdsev.xml +++ b/tests/qemucapabilitiesdata/caps_9.2.0_x86_64+amdsev.xml @@ -208,6 +208,7 @@ + 9002000 43100247 v9.2.0 diff --git a/tests/qemucapabilitiesdata/caps_9.2.0_x86_64.xml b/tests/qemuc= apabilitiesdata/caps_9.2.0_x86_64.xml index fd851d9201..b8bf0a3e9b 100644 --- a/tests/qemucapabilitiesdata/caps_9.2.0_x86_64.xml +++ b/tests/qemucapabilitiesdata/caps_9.2.0_x86_64.xml @@ -206,6 +206,7 @@ + 9002000 43100247 v9.2.0 --=20 2.53.0