From patchwork Mon Feb 9 01:13:57 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ouyang Changchun X-Patchwork-Id: 3041 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 5BCF95A83; Mon, 9 Feb 2015 02:14:55 +0100 (CET) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id 581625A73 for ; Mon, 9 Feb 2015 02:14:53 +0100 (CET) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga101.jf.intel.com with ESMTP; 08 Feb 2015 17:14:43 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,540,1418112000"; d="scan'208";a="674856054" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by fmsmga002.fm.intel.com with ESMTP; 08 Feb 2015 17:14:42 -0800 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id t191EeY7017425; Mon, 9 Feb 2015 09:14:40 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id t191EbIP011419; Mon, 9 Feb 2015 09:14:39 +0800 Received: (from couyang@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t191Ebwm011415; Mon, 9 Feb 2015 09:14:37 +0800 From: Ouyang Changchun To: dev@dpdk.org Date: Mon, 9 Feb 2015 09:13:57 +0800 Message-Id: <1423444455-11330-9-git-send-email-changchun.ouyang@intel.com> X-Mailer: git-send-email 1.7.12.2 In-Reply-To: <1423444455-11330-1-git-send-email-changchun.ouyang@intel.com> References: <1422516249-14596-1-git-send-email-changchun.ouyang@intel.com> <1423444455-11330-1-git-send-email-changchun.ouyang@intel.com> Subject: [dpdk-dev] [PATCH v4 08/26] virtio: Remove redundant vq_alignment X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Since vq_alignment is constant (always 4K), it does not need to be part of the vring struct. Signed-off-by: Stephen Hemminger Signed-off-by: Changchun Ouyang --- lib/librte_pmd_virtio/virtio_ethdev.c | 1 - lib/librte_pmd_virtio/virtio_rxtx.c | 2 +- lib/librte_pmd_virtio/virtqueue.h | 3 +-- 3 files changed, 2 insertions(+), 4 deletions(-) diff --git a/lib/librte_pmd_virtio/virtio_ethdev.c b/lib/librte_pmd_virtio/virtio_ethdev.c index 59b74b7..0d41e7f 100644 --- a/lib/librte_pmd_virtio/virtio_ethdev.c +++ b/lib/librte_pmd_virtio/virtio_ethdev.c @@ -294,7 +294,6 @@ int virtio_dev_queue_setup(struct rte_eth_dev *dev, vq->port_id = dev->data->port_id; vq->queue_id = queue_idx; vq->vq_queue_index = vtpci_queue_idx; - vq->vq_alignment = VIRTIO_PCI_VRING_ALIGN; vq->vq_nentries = vq_size; vq->vq_free_cnt = vq_size; diff --git a/lib/librte_pmd_virtio/virtio_rxtx.c b/lib/librte_pmd_virtio/virtio_rxtx.c index a82d5ff..b6d6832 100644 --- a/lib/librte_pmd_virtio/virtio_rxtx.c +++ b/lib/librte_pmd_virtio/virtio_rxtx.c @@ -258,7 +258,7 @@ virtio_dev_vring_start(struct virtqueue *vq, int queue_type) * Reinitialise since virtio port might have been stopped and restarted */ memset(vq->vq_ring_virt_mem, 0, vq->vq_ring_size); - vring_init(vr, size, ring_mem, vq->vq_alignment); + vring_init(vr, size, ring_mem, VIRTIO_PCI_VRING_ALIGN); vq->vq_used_cons_idx = 0; vq->vq_desc_head_idx = 0; vq->vq_avail_idx = 0; diff --git a/lib/librte_pmd_virtio/virtqueue.h b/lib/librte_pmd_virtio/virtqueue.h index f6ad98d..5b8a255 100644 --- a/lib/librte_pmd_virtio/virtqueue.h +++ b/lib/librte_pmd_virtio/virtqueue.h @@ -138,8 +138,7 @@ struct virtqueue { uint8_t port_id; /**< Device port identifier. */ void *vq_ring_virt_mem; /**< linear address of vring*/ - int vq_alignment; - int vq_ring_size; + unsigned int vq_ring_size; phys_addr_t vq_ring_mem; /**< physical address of vring */ struct vring vq_ring; /**< vring keeping desc, used and avail */