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=-13.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 13AFFC433E9 for ; Thu, 28 Jan 2021 14:43:19 +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 A387060C41 for ; Thu, 28 Jan 2021 14:43:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A387060C41 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 1723B873C8; Thu, 28 Jan 2021 14:43:18 +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 XKEU4cddTayf; Thu, 28 Jan 2021 14:43:17 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by hemlock.osuosl.org (Postfix) with ESMTP id A5F5B8737E; Thu, 28 Jan 2021 14:43:17 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 9E37FC0FA8; Thu, 28 Jan 2021 14:43:17 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 80710C08A1 for ; Thu, 28 Jan 2021 14:43:16 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 642DD2DEC9 for ; Thu, 28 Jan 2021 14:43:16 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id t4XT8le0-BsF for ; Thu, 28 Jan 2021 14:43:14 +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 silver.osuosl.org (Postfix) with ESMTPS id 906742E0EB for ; Thu, 28 Jan 2021 14:43:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1611844991; 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=jM4bh71Eq074THJuA7R0Zh8T371j1KO68vQ4pls6I9w=; b=ZLarFPAkXl/WShROFhtiRBU6ESiHCE2g5Wkfyj4Dm+szKIkfNUro6VUp2l7nE8g9Xpj12Y /sinSIC/N5yy8zIONbSsAO85FXiutniR2TqP5wglR7UPEjJk3lPd1MU0QgOfCXQTC6dh3R co/Ynmd5yme271MeXF1+3ZyOVlBzyCw= 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-417-kCSyLyuWPGeemAJp2KIf8w-1; Thu, 28 Jan 2021 09:43:09 -0500 X-MC-Unique: kCSyLyuWPGeemAJp2KIf8w-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 70F748030A7; Thu, 28 Jan 2021 14:43:08 +0000 (UTC) Received: from steredhat.redhat.com (ovpn-113-219.ams2.redhat.com [10.36.113.219]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3F9C810023B1; Thu, 28 Jan 2021 14:43:06 +0000 (UTC) From: Stefano Garzarella To: virtualization@lists.linux-foundation.org Subject: [PATCH RFC v2 10/10] vdpa_sim_blk: handle VIRTIO_BLK_T_GET_ID Date: Thu, 28 Jan 2021 15:41:27 +0100 Message-Id: <20210128144127.113245-11-sgarzare@redhat.com> In-Reply-To: <20210128144127.113245-1-sgarzare@redhat.com> References: <20210128144127.113245-1-sgarzare@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Cc: Laurent Vivier , Max Gurtovoy , kvm@vger.kernel.org, "Michael S. Tsirkin" , linux-kernel@vger.kernel.org, Xie Yongji , Stefan Hajnoczi 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" Handle VIRTIO_BLK_T_GET_ID request, always answering the "vdpa_blk_sim" string. Signed-off-by: Stefano Garzarella --- v2: - made 'vdpasim_blk_id' static [Jason] --- drivers/vdpa/vdpa_sim/vdpa_sim_blk.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c index fc47e8320358..a3f8afad8d14 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c @@ -37,6 +37,7 @@ #define VDPASIM_BLK_VQ_NUM 1 static struct vdpasim *vdpasim_blk_dev; +static char vdpasim_blk_id[VIRTIO_BLK_ID_BYTES] = "vdpa_blk_sim"; static bool vdpasim_blk_check_range(u64 start_sector, size_t range_size) { @@ -152,6 +153,20 @@ static bool vdpasim_blk_handle_req(struct vdpasim *vdpasim, } break; + case VIRTIO_BLK_T_GET_ID: + bytes = vringh_iov_push_iotlb(&vq->vring, &vq->in_iov, + vdpasim_blk_id, + VIRTIO_BLK_ID_BYTES); + if (bytes < 0) { + dev_err(&vdpasim->vdpa.dev, + "vringh_iov_push_iotlb() error: %zd\n", bytes); + status = VIRTIO_BLK_S_IOERR; + break; + } + + pushed += bytes; + break; + default: dev_warn(&vdpasim->vdpa.dev, "Unsupported request type %d\n", type); -- 2.29.2 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization