Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp2698749pxb; Tue, 23 Feb 2021 13:20:46 -0800 (PST) X-Google-Smtp-Source: ABdhPJxdI5Nkln+r34CdqntaUYAhQLACFowN8pxoJxJRu+hIXCMHnMvPmcBe9b+Vgr1RjGbCgdk9 X-Received: by 2002:a17:907:2da5:: with SMTP id gt37mr26818461ejc.324.1614115245779; Tue, 23 Feb 2021 13:20:45 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1614115245; cv=none; d=google.com; s=arc-20160816; b=W+VQwyVK/XYt7ClQCsagyM/qfJJmqZTtJATs44V3xFRuk1AxD3NfpM5mbqYXzlNYEH eL5h7aEPp1W/tH6h+DKo0uFXLbE7kIBSL+0ELPjNwzQ4aBFZPNzWDxgHUGFbp9XrroX2 6IcjCjQ1AUyQ/jSe0WVWOvUfcSxsd3JwR9E5IOlVbQGaA+UR6o7ikcJw4aAP3Rlh08Cf +XndHZmLv31RE5ESR+lQ4n8sy+lEnT2VfSysDhGZh1bQ0ZnsbQyqzdmz5mKNxg0T06ql 7U6IkZWptGCXlhhV+htzvIcSpTyCJfBnqKoQ8+HxT2PCLvphBc6uZDm/Y7nITyffxyyw og0g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=iKD1oeKRtialFR5ud6LeSVHi126Kuqzo937YWB80M5o=; b=YnX+Ncb5LGxKcs0RKUeiFzgM8zjonKn2D7KhRw8od2HRYbsIYmo/LQeiLEKWqiCk8W d5HfX/SRyxLgIKdsUkOY6HshGTBVI9nphGs67ZbdSeSR3oVlsBaBWIbTw68C+TduPBgb jnZ5zZzce8es9J5UJTjyU77tEOtdRMXUMsIV5gi7JT2vgox06WII5+ruLdK9+QODiHtw /R4B+VEhrpwZOEMMOMHSrwN2+tkOeirzPUZhVXkKKzCk6CXbqdpA1J5eEGVtFIIgz0TH 7BVYt+55fvbGR7PO3VXSgp+tcq83p1PGKLB9AqRiPcW57GdVGRsBQ/LWea+cT+O2yWb+ RFog== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=OtNV+FGI; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id d19si14166310edt.189.2021.02.23.13.20.14; Tue, 23 Feb 2021 13:20:45 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=OtNV+FGI; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234590AbhBWVKo (ORCPT + 99 others); Tue, 23 Feb 2021 16:10:44 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:33309 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233727AbhBWVJL (ORCPT ); Tue, 23 Feb 2021 16:09:11 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1614114465; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=iKD1oeKRtialFR5ud6LeSVHi126Kuqzo937YWB80M5o=; b=OtNV+FGITlhAfnrPFGxlP+bKCBmz2GR4zlUizIPtqBPLqolCsoyZm/6Phr2xev59bEXA8H DwjP/vNAXRtvuQDKRzNQ8IFyt4UefBhoc1ZcCPcD4TkbfygrF6QGmySAdaRjYQtQDbIeuS Ob8+rwoIDwM8soqQOa9BDQxw5dvX01E= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-515-6yCE44neN0aQZG2Gl89bDA-1; Tue, 23 Feb 2021 16:07:43 -0500 X-MC-Unique: 6yCE44neN0aQZG2Gl89bDA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id DB57E19611A1; Tue, 23 Feb 2021 21:07:40 +0000 (UTC) Received: from laptop.redhat.com (ovpn-114-34.ams2.redhat.com [10.36.114.34]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4EE8A5D9D0; Tue, 23 Feb 2021 21:07:35 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, will@kernel.org, maz@kernel.org, robin.murphy@arm.com, joro@8bytes.org, alex.williamson@redhat.com, tn@semihalf.com, zhukeqian1@huawei.com Cc: jacob.jun.pan@linux.intel.com, yi.l.liu@intel.com, wangxingang5@huawei.com, jiangkunkun@huawei.com, jean-philippe@linaro.org, zhangfei.gao@linaro.org, zhangfei.gao@gmail.com, vivek.gautam@arm.com, shameerali.kolothum.thodi@huawei.com, yuzenghui@huawei.com, nicoleotsuka@gmail.com, lushenming@huawei.com, vsethi@nvidia.com Subject: [PATCH v12 09/13] vfio: Add new IRQ for DMA fault reporting Date: Tue, 23 Feb 2021 22:06:21 +0100 Message-Id: <20210223210625.604517-10-eric.auger@redhat.com> In-Reply-To: <20210223210625.604517-1-eric.auger@redhat.com> References: <20210223210625.604517-1-eric.auger@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a new IRQ type/subtype to get notification on nested stage DMA faults. Signed-off-by: Eric Auger --- include/uapi/linux/vfio.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h index 3688215843fe..f0eea0f9305a 100644 --- a/include/uapi/linux/vfio.h +++ b/include/uapi/linux/vfio.h @@ -723,6 +723,9 @@ struct vfio_irq_info_cap_type { __u32 subtype; /* type specific */ }; +#define VFIO_IRQ_TYPE_NESTED (1) +#define VFIO_IRQ_SUBTYPE_DMA_FAULT (1) + /** * VFIO_DEVICE_SET_IRQS - _IOW(VFIO_TYPE, VFIO_BASE + 10, struct vfio_irq_set) * -- 2.26.2