From nobody Sat Nov 8 07:33:27 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 1550064988288232.88395303409015; Wed, 13 Feb 2019 05:36:28 -0800 (PST) Received: from localhost ([127.0.0.1]:56948 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gtui9-0002TT-5o for importer@patchew.org; Wed, 13 Feb 2019 08:36:25 -0500 Received: from eggs.gnu.org ([209.51.188.92]:51552) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gtuet-0000WB-CE for qemu-devel@nongnu.org; Wed, 13 Feb 2019 08:33:06 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gtues-0000ch-3O for qemu-devel@nongnu.org; Wed, 13 Feb 2019 08:33:03 -0500 Received: from mx1.redhat.com ([209.132.183.28]:54535) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gtuer-0000Zm-Qh for qemu-devel@nongnu.org; Wed, 13 Feb 2019 08:33:01 -0500 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 3EF7181F07; Wed, 13 Feb 2019 13:26:01 +0000 (UTC) Received: from dell-per430-12.lab.eng.pek2.redhat.com (dell-per430-12.lab.eng.pek2.redhat.com [10.73.196.55]) by smtp.corp.redhat.com (Postfix) with ESMTP id BF20E60863; Wed, 13 Feb 2019 13:25:58 +0000 (UTC) From: wexu@redhat.com To: qemu-devel@nongnu.org Date: Wed, 13 Feb 2019 08:25:36 -0500 Message-Id: <1550064346-17012-2-git-send-email-wexu@redhat.com> In-Reply-To: <1550064346-17012-1-git-send-email-wexu@redhat.com> References: <1550064346-17012-1-git-send-email-wexu@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Wed, 13 Feb 2019 13:26:01 +0000 (UTC) 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 01/11] virtio: rename structure for packed ring 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: tiwei.bie@intel.com, mst@redhat.com, jasowang@redhat.com, jfreiman@redhat.com, maxime.coquelin@redhat.com, wexu@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Wei Xu Redefine packed ring structure according to Qemu nomenclature. Signed-off-by: Wei Xu --- hw/virtio/virtio.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index a1ff647..eafb4cc 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -39,6 +39,13 @@ typedef struct VRingDesc uint16_t next; } VRingDesc; =20 +typedef struct VRingPackedDesc { + uint64_t addr; + uint32_t len; + uint16_t id; + uint16_t flags; +} VRingPackedDesc; + typedef struct VRingAvail { uint16_t flags; @@ -77,17 +84,25 @@ typedef struct VRing VRingMemoryRegionCaches *caches; } VRing; =20 +typedef struct VRingPackedDescEvent { + uint16_t off_wrap; + uint16_t flags; +} VRingPackedDescEvent ; + struct VirtQueue { VRing vring; =20 /* Next head to pop */ uint16_t last_avail_idx; + bool last_avail_wrap_counter; =20 /* Last avail_idx read from VQ. */ uint16_t shadow_avail_idx; + bool avail_wrap_counter; =20 uint16_t used_idx; + bool used_wrap_counter; =20 /* Last used index value we have signalled on */ uint16_t signalled_used; --=20 1.8.3.1