From nobody Mon Feb 9 03:46:56 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 ARC-Seal: i=1; a=rsa-sha256; t=1569514425; cv=none; d=zoho.com; s=zohoarc; b=Yh1JTvCHcjO9eCSgXgvh1a9RAyAFJgTi8Bblv8I/Uoe7jwRjrH1ARt6je1r3AdcWRRi9YIKKfpoVD4cIK24X/pezwUs421SLEu2mSsX8eroKbTaTVo39CQop0F000lodZ2vNoYmBWfcKEATQChbnT7H6p/yNe60S+z2NUvOh2x8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1569514425; h=Content-Type:Content-Transfer-Encoding:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=uwMXdBMXok60BlKq5XUP0ZbiRaWwru5Nfiiw7crx5Wk=; b=a9w9Q0IxvQLOq64U5Aw+6iNsFxd6pHCGnB1OTuE4mtH98iBHI/WSp/A1M7DHpIybt76LtK57NB+t3C5GXyIO85caL4jVHnVyvU99kcV844lQv7sjI7FtSsAZKrtCONGLuYdP0ZiYdSSGm96ecLrMe74d6sFDOf57HHk5dnrWUd4= ARC-Authentication-Results: i=1; mx.zoho.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 header.from= (p=none dis=none) header.from= Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1569514425339218.9353245553243; Thu, 26 Sep 2019 09:13:45 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C0E49A44AE6; Thu, 26 Sep 2019 16:13:43 +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 9A3EA5D6B0; Thu, 26 Sep 2019 16:13:43 +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 547DC1803517; Thu, 26 Sep 2019 16:13:43 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id x8QGDe9F003240 for ; Thu, 26 Sep 2019 12:13:40 -0400 Received: by smtp.corp.redhat.com (Postfix) id 509215D9CD; Thu, 26 Sep 2019 16:13:40 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.30]) by smtp.corp.redhat.com (Postfix) with ESMTP id CECEC5D9C3 for ; Thu, 26 Sep 2019 16:13:39 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 26 Sep 2019 18:12:00 +0200 Message-Id: In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-loop: libvir-list@redhat.com Subject: [libvirt] [PATCH v2 04/39] qemu_hostdev: Introduce qemuHostdevNeedsVFIO() 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 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.68]); Thu, 26 Sep 2019 16:13:44 +0000 (UTC) Content-Type: text/plain; charset="utf-8" There are two types of host devices that require /dev/vfio/vfio access: 1) PCI devices with VFIO backend 2) Mediated devices Introduce a simple helper that returns true if passed @hostdev falls in either of the categories. Signed-off-by: Michal Privoznik Reviewed-by: Cole Robinson --- src/qemu/qemu_hostdev.c | 9 +++++++++ src/qemu/qemu_hostdev.h | 2 ++ 2 files changed, 11 insertions(+) diff --git a/src/qemu/qemu_hostdev.c b/src/qemu/qemu_hostdev.c index af41c32679..ebbca817b8 100644 --- a/src/qemu/qemu_hostdev.c +++ b/src/qemu/qemu_hostdev.c @@ -118,6 +118,15 @@ qemuHostdevUpdateActiveDomainDevices(virQEMUDriverPtr = driver, return 0; } =20 + +bool +qemuHostdevNeedsVFIO(const virDomainHostdevDef *hostdev) +{ + return virHostdevIsVFIODevice(hostdev) || + virHostdevIsMdevDevice(hostdev); +} + + bool qemuHostdevHostSupportsPassthroughVFIO(void) { diff --git a/src/qemu/qemu_hostdev.h b/src/qemu/qemu_hostdev.h index e99c204961..536069fe8a 100644 --- a/src/qemu/qemu_hostdev.h +++ b/src/qemu/qemu_hostdev.h @@ -24,6 +24,8 @@ #include "qemu_conf.h" #include "domain_conf.h" =20 +bool qemuHostdevNeedsVFIO(const virDomainHostdevDef *hostdev); + bool qemuHostdevHostSupportsPassthroughVFIO(void); =20 int qemuHostdevUpdateActiveMediatedDevices(virQEMUDriverPtr driver, --=20 2.21.0 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list