From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B8BC4C55178 for ; Fri, 23 Oct 2020 09:01:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5ED7722253 for ; Fri, 23 Oct 2020 09:01:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="UrLgiv15" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S461024AbgJWJBV (ORCPT ); Fri, 23 Oct 2020 05:01:21 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:51294 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S461015AbgJWJBU (ORCPT ); Fri, 23 Oct 2020 05:01:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1603443679; 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=SLiwxv/22iGCcdvl9AAdgeJKpXrOBQqld4y3h6tdebI=; b=UrLgiv15DnWn3vMvQotJVPI0hFdfMWjU6HgxOBTus5QBLnPq27bvaOmrWrEwdwE24InuFH K3s+sOPxS7V2AbH0HAb1PKJEUGFyQOcHGJRvyCQvSjKoJzossojuOBL94QfDu6MjS2hzQG 6Y3ulxaO2sa0RUAFZqVD/GWxLgNRO2E= 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-96-XpJaC8BDMymu96E7IzaFPw-1; Fri, 23 Oct 2020 05:01:17 -0400 X-MC-Unique: XpJaC8BDMymu96E7IzaFPw-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id CFD5F804B78; Fri, 23 Oct 2020 09:01:15 +0000 (UTC) Received: from jason-ThinkPad-X1-Carbon-6th.redhat.com (ovpn-13-85.pek2.redhat.com [10.72.13.85]) by smtp.corp.redhat.com (Postfix) with ESMTP id 852B65B4A1; Fri, 23 Oct 2020 09:01:07 +0000 (UTC) From: Jason Wang To: mst@redhat.com, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org Cc: rob.miller@broadcom.com, lingshan.zhu@intel.com, eperezma@redhat.com, lulu@redhat.com, shahafs@mellanox.com, hanand@xilinx.com, mhabets@solarflare.com, gdawar@xilinx.com, saugatm@xilinx.com, vmireyno@marvell.com, zhangweining@ruijie.com.cn, eli@mellanox.com, Jason Wang Subject: [PATCH V4 3/3] vdpa_sim: implement get_iova_range() Date: Fri, 23 Oct 2020 17:00:43 +0800 Message-Id: <20201023090043.14430-4-jasowang@redhat.com> In-Reply-To: <20201023090043.14430-1-jasowang@redhat.com> References: <20201023090043.14430-1-jasowang@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This implements a sample get_iova_range() for the simulator which advertise [0, ULLONG_MAX] as the valid range. Signed-off-by: Jason Wang --- drivers/vdpa/vdpa_sim/vdpa_sim.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index 62d640327145..ff6c9fd8d879 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -574,6 +574,16 @@ static u32 vdpasim_get_generation(struct vdpa_device *vdpa) return vdpasim->generation; } +static struct vdpa_iova_range vdpasim_get_iova_range(struct vdpa_device *vdpa) +{ + struct vdpa_iova_range range = { + .first = 0ULL, + .last = ULLONG_MAX, + }; + + return range; +} + static int vdpasim_set_map(struct vdpa_device *vdpa, struct vhost_iotlb *iotlb) { @@ -657,6 +667,7 @@ static const struct vdpa_config_ops vdpasim_net_config_ops = { .get_config = vdpasim_get_config, .set_config = vdpasim_set_config, .get_generation = vdpasim_get_generation, + .get_iova_range = vdpasim_get_iova_range, .dma_map = vdpasim_dma_map, .dma_unmap = vdpasim_dma_unmap, .free = vdpasim_free, @@ -683,6 +694,7 @@ static const struct vdpa_config_ops vdpasim_net_batch_config_ops = { .get_config = vdpasim_get_config, .set_config = vdpasim_set_config, .get_generation = vdpasim_get_generation, + .get_iova_range = vdpasim_get_iova_range, .set_map = vdpasim_set_map, .free = vdpasim_free, }; -- 2.20.1