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=-9.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 425CDC61DD8 for ; Fri, 13 Nov 2020 13:48:51 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E704F22201 for ; Fri, 13 Nov 2020 13:48:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="BWRcB+LE" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E704F22201 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=virtualization-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 9EA3687807; Fri, 13 Nov 2020 13:48:50 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Sce57P4VDk8I; Fri, 13 Nov 2020 13:48:50 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by hemlock.osuosl.org (Postfix) with ESMTP id 162DE877EC; Fri, 13 Nov 2020 13:48:50 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id F2B5EC0891; Fri, 13 Nov 2020 13:48:49 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id B9B9FC0800 for ; Fri, 13 Nov 2020 13:48:47 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id A6A968746A for ; Fri, 13 Nov 2020 13:48:47 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id zyWruqc5Gwmr for ; Fri, 13 Nov 2020 13:48:46 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by whitealder.osuosl.org (Postfix) with ESMTPS id ADBB187527 for ; Fri, 13 Nov 2020 13:48:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1605275325; 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=Xii9EkSNI++swzQsAddzZFhZQHEvE4PS5MaY9kGEHbw=; b=BWRcB+LEGOc0ue8jUP7QwWPs67BR7PF4VqVu4KJeOuudDGMhlH/mXDFJVOHOdM88QcZNAZ GHA6dE/Dtn9Nkqk4WU4aArWBD4WQqTkdp5KQXr53Iodbsf8UVM94VXB4Jjk2WLyCbriWo7 uQf/D1R2J9q6bAGiKMYPgaRylg36APg= 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-29-c_y0XwUIOzK2hbMJV5l9Pw-1; Fri, 13 Nov 2020 08:48:43 -0500 X-MC-Unique: c_y0XwUIOzK2hbMJV5l9Pw-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 9EDED8030A0; Fri, 13 Nov 2020 13:48:42 +0000 (UTC) Received: from steredhat.redhat.com (ovpn-114-21.ams2.redhat.com [10.36.114.21]) by smtp.corp.redhat.com (Postfix) with ESMTP id C57C55D9F3; Fri, 13 Nov 2020 13:48:40 +0000 (UTC) From: Stefano Garzarella To: virtualization@lists.linux-foundation.org Subject: [PATCH RFC 09/12] vdpa_sim: make vdpasim->buffer size configurable Date: Fri, 13 Nov 2020 14:47:09 +0100 Message-Id: <20201113134712.69744-10-sgarzare@redhat.com> In-Reply-To: <20201113134712.69744-1-sgarzare@redhat.com> References: <20201113134712.69744-1-sgarzare@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Cc: Laurent Vivier , Max Gurtovoy , "Michael S. Tsirkin" , linux-kernel@vger.kernel.org, Stefan Hajnoczi , Eli Cohen X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" Allow each device to specify the size of the buffer allocated in vdpa_sim. Signed-off-by: Stefano Garzarella --- drivers/vdpa/vdpa_sim/vdpa_sim.h | 1 + drivers/vdpa/vdpa_sim/vdpa_sim.c | 2 +- drivers/vdpa/vdpa_sim/vdpa_sim_blk.c | 1 + drivers/vdpa/vdpa_sim/vdpa_sim_net.c | 1 + 4 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.h b/drivers/vdpa/vdpa_sim/vdpa_sim.h index f7e1fe0a88d3..cc21e07aa2f7 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.h +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.h @@ -49,6 +49,7 @@ struct vdpasim_device { struct vdpasim_init_attr { struct vdpasim_device device; + size_t buffer_size; int batch_mapping; work_func_t work_fn; diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index bd034fbf4683..3863d49e0d6d 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -223,7 +223,7 @@ struct vdpasim *vdpasim_create(struct vdpasim_init_attr *attr) if (!vdpasim->iommu) goto err_iommu; - vdpasim->buffer = kvmalloc(PAGE_SIZE, GFP_KERNEL); + vdpasim->buffer = kvmalloc(attr->buffer_size, GFP_KERNEL); if (!vdpasim->buffer) goto err_iommu; diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c index f456a0e4e097..122a3c039507 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c @@ -100,6 +100,7 @@ static int __init vdpasim_blk_init(void) attr.device.update_config = vdpasim_blk_update_config; attr.work_fn = vdpasim_blk_work; + attr.buffer_size = PAGE_SIZE; vdpasim_blk_dev = vdpasim_create(&attr); if (IS_ERR(vdpasim_blk_dev)) { diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c index b9372fdf2415..d0a1403f64b2 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c @@ -124,6 +124,7 @@ static int __init vdpasim_net_init(void) attr.work_fn = vdpasim_net_work; attr.batch_mapping = batch_mapping; + attr.buffer_size = PAGE_SIZE; vdpasim_net_dev = vdpasim_create(&attr); if (IS_ERR(vdpasim_net_dev)) { -- 2.26.2 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization