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=-15.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,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 A0A4BC63697 for ; Thu, 26 Nov 2020 14:50:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4840A20B80 for ; Thu, 26 Nov 2020 14:50:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="UNaPY7Dg" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389935AbgKZOuk (ORCPT ); Thu, 26 Nov 2020 09:50:40 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:23522 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389756AbgKZOuj (ORCPT ); Thu, 26 Nov 2020 09:50:39 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1606402238; 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=6pFL40zOfd0tqmsESxpEqmuQVPd0caaEj6DcUiifgB8=; b=UNaPY7Dgyvpq9OM1kTle9BRxpZcZEdcHaDkWrD9470/Yy+zDikIwQe67cmAdk0q9yM+CwT 7BPqEif7xT7im7lIKHwDO14l1yeJU+Bd9Dsl6zj8XoJCmIYd4gfi60gvVHOOzw1gJUVpNO ItOtcDpHTw9Oy+5qy6wwqRzR2WdVGP0= 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-61-KMmRDZWeNl2n_MkIOF3ONA-1; Thu, 26 Nov 2020 09:50:36 -0500 X-MC-Unique: KMmRDZWeNl2n_MkIOF3ONA-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 832C6805BFF; Thu, 26 Nov 2020 14:50:35 +0000 (UTC) Received: from steredhat.redhat.com (ovpn-113-252.ams2.redhat.com [10.36.113.252]) by smtp.corp.redhat.com (Postfix) with ESMTP id 77FD65C1BD; Thu, 26 Nov 2020 14:50:27 +0000 (UTC) From: Stefano Garzarella To: virtualization@lists.linux-foundation.org Cc: Stefan Hajnoczi , linux-kernel@vger.kernel.org, Laurent Vivier , Max Gurtovoy , "Michael S. Tsirkin" , Eli Cohen , Jason Wang Subject: [PATCH v2 04/17] vdpa_sim: remove the limit of IOTLB entries Date: Thu, 26 Nov 2020 15:49:37 +0100 Message-Id: <20201126144950.92850-5-sgarzare@redhat.com> In-Reply-To: <20201126144950.92850-1-sgarzare@redhat.com> References: <20201126144950.92850-1-sgarzare@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The simulated devices can support multiple queues, so this limit should be defined according to the number of queues supported by the device. Since we are in a simulator, let's simply remove that limit. Suggested-by: Jason Wang Acked-by: Jason Wang Signed-off-by: Stefano Garzarella --- v2: - added VDPASIM_IOTLB_LIMIT macro [Jason] --- drivers/vdpa/vdpa_sim/vdpa_sim.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index ad72f7b1a4eb..40664d87f303 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -46,6 +46,7 @@ struct vdpasim_virtqueue { #define VDPASIM_QUEUE_MAX 256 #define VDPASIM_DEVICE_ID 0x1 #define VDPASIM_VENDOR_ID 0 +#define VDPASIM_IOTLB_LIMIT 0 /* unlimited */ #define VDPASIM_VQ_NUM 0x2 #define VDPASIM_NAME "vdpasim-netdev" @@ -365,7 +366,7 @@ static struct vdpasim *vdpasim_create(void) if (!vdpasim->vqs) goto err_iommu; - vdpasim->iommu = vhost_iotlb_alloc(2048, 0); + vdpasim->iommu = vhost_iotlb_alloc(VDPASIM_IOTLB_LIMIT, 0); if (!vdpasim->iommu) goto err_iommu; -- 2.26.2