From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Coquelin Subject: [PATCH v3 05/19] vhost: declare missing IOMMU-related definitions for old kernels Date: Thu, 5 Oct 2017 10:36:13 +0200 Message-ID: <20171005083627.27828-6-maxime.coquelin@redhat.com> References: <20171005083627.27828-1-maxime.coquelin@redhat.com> Cc: mst@redhat.com, jfreiman@redhat.com, vkaplans@redhat.com, jasowang@redhat.com, Maxime Coquelin To: dev@dpdk.org, remy.horton@intel.com, tiwei.bie@intel.com, yliu@fridaylinux.org Return-path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id A0FE71B19F for ; Thu, 5 Oct 2017 10:39:56 +0200 (CEST) In-Reply-To: <20171005083627.27828-1-maxime.coquelin@redhat.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" These defines and enums have been introduced in upstream kernel v4.8, and backported to RHEL 7.4. Signed-off-by: Maxime Coquelin --- lib/librte_vhost/vhost.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h index 8405f879b..94bee4c8d 100644 --- a/lib/librte_vhost/vhost.h +++ b/lib/librte_vhost/vhost.h @@ -145,6 +145,37 @@ struct vhost_virtqueue { #define VIRTIO_NET_F_MTU 3 #endif +/* Declare IOMMU related bits for older kernels */ +#ifndef VIRTIO_F_IOMMU_PLATFORM + +#define VIRTIO_F_IOMMU_PLATFORM 33 + +struct vhost_iotlb_msg { + __u64 iova; + __u64 size; + __u64 uaddr; +#define VHOST_ACCESS_RO 0x1 +#define VHOST_ACCESS_WO 0x2 +#define VHOST_ACCESS_RW 0x3 + __u8 perm; +#define VHOST_IOTLB_MISS 1 +#define VHOST_IOTLB_UPDATE 2 +#define VHOST_IOTLB_INVALIDATE 3 +#define VHOST_IOTLB_ACCESS_FAIL 4 + __u8 type; +}; + +#define VHOST_IOTLB_MSG 0x1 + +struct vhost_msg { + int type; + union { + struct vhost_iotlb_msg iotlb; + __u8 padding[64]; + }; +}; +#endif + /* * Define virtio 1.0 for older kernels */ -- 2.13.6