From nobody Fri Nov 7 18:54:10 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1548350979518381.1593922645866; Thu, 24 Jan 2019 09:29:39 -0800 (PST) Received: from localhost ([127.0.0.1]:57435 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gmior-0007vy-M6 for importer@patchew.org; Thu, 24 Jan 2019 12:29:37 -0500 Received: from eggs.gnu.org ([209.51.188.92]:36141) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gmio4-0007aN-FB for qemu-devel@nongnu.org; Thu, 24 Jan 2019 12:28:49 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gmio3-0003dM-GC for qemu-devel@nongnu.org; Thu, 24 Jan 2019 12:28:48 -0500 Received: from mx1.redhat.com ([209.132.183.28]:38780) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gmij8-0000jR-Vu; Thu, 24 Jan 2019 12:23:43 -0500 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 mx1.redhat.com (Postfix) with ESMTPS id 08868A1E41; Thu, 24 Jan 2019 17:23:37 +0000 (UTC) Received: from steredhat.redhat.com (ovpn-117-40.ams2.redhat.com [10.36.117.40]) by smtp.corp.redhat.com (Postfix) with ESMTP id AC007749C0; Thu, 24 Jan 2019 17:23:34 +0000 (UTC) From: Stefano Garzarella To: qemu-devel@nongnu.org Date: Thu, 24 Jan 2019 18:23:23 +0100 Message-Id: <20190124172323.230296-3-sgarzare@redhat.com> In-Reply-To: <20190124172323.230296-1-sgarzare@redhat.com> References: <20190124172323.230296-1-sgarzare@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Thu, 24 Jan 2019 17:23:37 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH RFC 2/2] tests/virtio-blk: add test for WRITE_ZEROES command X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Kevin Wolf , Thomas Huth , qemu-block@nongnu.org, "Michael S. Tsirkin" , Max Reitz , Stefan Hajnoczi , Paolo Bonzini Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" If the WRITE_ZEROES feature is enabled, we check this command in the test_basic(). Signed-off-by: Stefano Garzarella --- tests/virtio-blk-test.c | 63 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) diff --git a/tests/virtio-blk-test.c b/tests/virtio-blk-test.c index 04c608764b..8cabbcb85a 100644 --- a/tests/virtio-blk-test.c +++ b/tests/virtio-blk-test.c @@ -231,6 +231,69 @@ static void test_basic(QVirtioDevice *dev, QGuestAlloc= ator *alloc, =20 guest_free(alloc, req_addr); =20 + if (features & (1u << VIRTIO_BLK_F_WRITE_ZEROES)) { + struct virtio_blk_discard_write_zeroes *dwz_hdr; + void *expected; + + /* + * WRITE_ZEROES request on the same sector of previous test where + * we wrote "TEST". + */ + req.type =3D VIRTIO_BLK_T_WRITE_ZEROES; + req.data =3D g_malloc0(512); + dwz_hdr =3D (struct virtio_blk_discard_write_zeroes *)req.data; + dwz_hdr->sector =3D 0; + dwz_hdr->num_sectors =3D 1; + dwz_hdr->flags =3D 0; + + req_addr =3D virtio_blk_request(alloc, dev, &req, 512); + + g_free(req.data); + + free_head =3D qvirtqueue_add(vq, req_addr, 16, false, true); + qvirtqueue_add(vq, req_addr + 16, 512, false, true); + qvirtqueue_add(vq, req_addr + 528, 1, true, false); + + qvirtqueue_kick(dev, vq, free_head); + + qvirtio_wait_used_elem(dev, vq, free_head, NULL, + QVIRTIO_BLK_TIMEOUT_US); + status =3D readb(req_addr + 528); + g_assert_cmpint(status, =3D=3D, 0); + + guest_free(alloc, req_addr); + + /* Read request to check if the sector contains all zeroes */ + req.type =3D VIRTIO_BLK_T_IN; + req.ioprio =3D 1; + req.sector =3D 0; + req.data =3D g_malloc0(512); + + req_addr =3D virtio_blk_request(alloc, dev, &req, 512); + + g_free(req.data); + + free_head =3D qvirtqueue_add(vq, req_addr, 16, false, true); + qvirtqueue_add(vq, req_addr + 16, 512, true, true); + qvirtqueue_add(vq, req_addr + 528, 1, true, false); + + qvirtqueue_kick(dev, vq, free_head); + + qvirtio_wait_used_elem(dev, vq, free_head, NULL, + QVIRTIO_BLK_TIMEOUT_US); + status =3D readb(req_addr + 528); + g_assert_cmpint(status, =3D=3D, 0); + + data =3D g_malloc(512); + expected =3D g_malloc0(512); + memread(req_addr + 16, data, 512); + g_assert_cmpmem(data, 512, expected, 512); + g_free(expected); + g_free(data); + + guest_free(alloc, req_addr); + } + if (features & (1u << VIRTIO_F_ANY_LAYOUT)) { /* Write and read with 2 descriptor layout */ /* Write request */ --=20 2.20.1