From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id 515541B3A4 for ; Thu, 4 Oct 2018 13:54:54 +0200 (CEST) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B36F232B69B; Thu, 4 Oct 2018 11:54:53 +0000 (UTC) Received: from [10.36.112.13] (unknown [10.36.112.13]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A67675D6A6; Thu, 4 Oct 2018 11:54:49 +0000 (UTC) To: Jens Freimann , dev@dpdk.org Cc: tiwei.bie@intel.com, Gavin.Hu@arm.com References: <20181003131118.21491-1-jfreimann@redhat.com> <20181003131118.21491-3-jfreimann@redhat.com> From: Maxime Coquelin Message-ID: Date: Thu, 4 Oct 2018 13:54:47 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20181003131118.21491-3-jfreimann@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Thu, 04 Oct 2018 11:54:53 +0000 (UTC) Subject: Re: [dpdk-dev] [PATCH v7 2/8] net/virtio: add packed virtqueue defines X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Oct 2018 11:54:54 -0000 On 10/03/2018 03:11 PM, Jens Freimann wrote: > Signed-off-by: Jens Freimann > --- > drivers/net/virtio/virtio_ring.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/net/virtio/virtio_ring.h b/drivers/net/virtio/virtio_ring.h > index 309069fdb..36a65f9b3 100644 > --- a/drivers/net/virtio/virtio_ring.h > +++ b/drivers/net/virtio/virtio_ring.h > @@ -15,7 +15,11 @@ > #define VRING_DESC_F_WRITE 2 > /* This means the buffer contains a list of buffer descriptors. */ > #define VRING_DESC_F_INDIRECT 4 > +/* This flag means the descriptor was made available by the driver */ > Trailing new line > +#define VRING_DESC_F_AVAIL(b) ((uint16_t)(b) << 7) > +/* This flag means the descriptor was used by the device */ > +#define VRING_DESC_F_USED(b) ((uint16_t)(b) << 15) > /* The Host uses this in used->flags to advise the Guest: don't kick me > * when you add a buffer. It's unreliable, so it's simply an > * optimization. Guest will still kick if it's out of buffers. */ >