From patchwork Thu Feb 14 04:26:32 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Xu X-Patchwork-Id: 10811743 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 96C80746 for ; Thu, 14 Feb 2019 04:33:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8593A2DBA6 for ; Thu, 14 Feb 2019 04:33:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7A1EC2DE4B; Thu, 14 Feb 2019 04:33:08 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 324282DBA6 for ; Thu, 14 Feb 2019 04:33:08 +0000 (UTC) Received: from localhost ([127.0.0.1]:39808 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gu8hv-00051C-Fh for patchwork-qemu-devel@patchwork.kernel.org; Wed, 13 Feb 2019 23:33:07 -0500 Received: from eggs.gnu.org ([209.51.188.92]:41405) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gu8dE-0001L0-SE for qemu-devel@nongnu.org; Wed, 13 Feb 2019 23:28:18 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gu8dD-00058B-PG for qemu-devel@nongnu.org; Wed, 13 Feb 2019 23:28:16 -0500 Received: from mx1.redhat.com ([209.132.183.28]:58760) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gu8d7-0004Lc-Uj for qemu-devel@nongnu.org; Wed, 13 Feb 2019 23:28:11 -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 A6912155AC; Thu, 14 Feb 2019 04:27:29 +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 393885D9D1; Thu, 14 Feb 2019 04:27:26 +0000 (UTC) From: wexu@redhat.com To: qemu-devel@nongnu.org Date: Wed, 13 Feb 2019 23:26:32 -0500 Message-Id: <1550118402-4057-2-git-send-email-wexu@redhat.com> In-Reply-To: <1550118402-4057-1-git-send-email-wexu@redhat.com> References: <1550118402-4057-1-git-send-email-wexu@redhat.com> 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 [10.5.110.29]); Thu, 14 Feb 2019 04:27:29 +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 v4 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP 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; +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; +typedef struct VRingPackedDescEvent { + uint16_t off_wrap; + uint16_t flags; +} VRingPackedDescEvent ; + struct VirtQueue { VRing vring; /* Next head to pop */ uint16_t last_avail_idx; + bool last_avail_wrap_counter; /* Last avail_idx read from VQ. */ uint16_t shadow_avail_idx; + bool avail_wrap_counter; uint16_t used_idx; + bool used_wrap_counter; /* Last used index value we have signalled on */ uint16_t signalled_used;