From patchwork Tue Mar 8 12:35:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xuan Zhuo X-Patchwork-Id: 12773637 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9F1CAC43219 for ; Tue, 8 Mar 2022 12:38:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343757AbiCHMjF (ORCPT ); Tue, 8 Mar 2022 07:39:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35766 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244331AbiCHMhj (ORCPT ); Tue, 8 Mar 2022 07:37:39 -0500 Received: from out199-13.us.a.mail.aliyun.com (out199-13.us.a.mail.aliyun.com [47.90.199.13]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 37B1D48395; Tue, 8 Mar 2022 04:36:11 -0800 (PST) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R451e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e01424;MF=xuanzhuo@linux.alibaba.com;NM=1;PH=DS;RN=34;SR=0;TI=SMTPD_---0V6eC9VZ_1646742964; Received: from localhost(mailfrom:xuanzhuo@linux.alibaba.com fp:SMTPD_---0V6eC9VZ_1646742964) by smtp.aliyun-inc.com(127.0.0.1); Tue, 08 Mar 2022 20:36:05 +0800 From: Xuan Zhuo To: virtualization@lists.linux-foundation.org, netdev@vger.kernel.org Cc: Jeff Dike , Richard Weinberger , Anton Ivanov , "Michael S. Tsirkin" , Jason Wang , "David S. Miller" , Jakub Kicinski , Hans de Goede , Mark Gross , Vadim Pasternak , Bjorn Andersson , Mathieu Poirier , Cornelia Huck , Halil Pasic , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Alexander Gordeev , Sven Schnelle , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Johannes Berg , Vincent Whitchurch , Xuan Zhuo , linux-um@lists.infradead.org, platform-driver-x86@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-s390@vger.kernel.org, kvm@vger.kernel.org, bpf@vger.kernel.org Subject: [PATCH v7 21/26] virtio: add helper virtio_find_vqs_ctx_size() Date: Tue, 8 Mar 2022 20:35:13 +0800 Message-Id: <20220308123518.33800-22-xuanzhuo@linux.alibaba.com> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20220308123518.33800-1-xuanzhuo@linux.alibaba.com> References: <20220308123518.33800-1-xuanzhuo@linux.alibaba.com> MIME-Version: 1.0 X-Git-Hash: f06b131dbfed Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Introduce helper virtio_find_vqs_ctx_size() to call find_vqs and specify the maximum size of each vq ring. Signed-off-by: Xuan Zhuo --- include/linux/virtio_config.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 5157524d8036..921d8610db0c 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -233,6 +233,18 @@ int virtio_find_vqs_ctx(struct virtio_device *vdev, unsigned nvqs, desc, NULL); } +static inline +int virtio_find_vqs_ctx_size(struct virtio_device *vdev, u32 nvqs, + struct virtqueue *vqs[], + vq_callback_t *callbacks[], + const char * const names[], + const bool *ctx, struct irq_affinity *desc, + u32 sizes[]) +{ + return vdev->config->find_vqs(vdev, nvqs, vqs, callbacks, names, ctx, + desc, sizes); +} + /** * virtio_reset_vq - reset a queue individually * @vq: the virtqueue