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[2620:137:e000::1:20]) by mx.google.com with ESMTP id dm21-20020a170907949500b007417e9a2c71si21519340ejc.352.2022.10.21.16.51.39; Fri, 21 Oct 2022 16:52:03 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@oracle.com header.s=corp-2022-7-12 header.b=HQC4zNyS; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229902AbiJUXuC (ORCPT + 99 others); Fri, 21 Oct 2022 19:50:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37918 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229838AbiJUXtq (ORCPT ); Fri, 21 Oct 2022 19:49:46 -0400 Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1780F36BCE for ; Fri, 21 Oct 2022 16:49:44 -0700 (PDT) Received: from pps.filterd (m0246630.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 29LLDuC6019522; Fri, 21 Oct 2022 23:49:39 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=corp-2022-7-12; bh=P1b5Vz6uMAabNAwiX7q1M23FaXF98wy0/Q0czLGx1dk=; b=HQC4zNySVtL/KEYvUZ85OSTvYHcVKBX63F7oyv7cbPqa8g3E6CHuf7d/7SEOha2d/jYr IGIiZk8M0TDYoevcmoZiU4rUUfxBB0x7eO9sg6aURyJ/4z/eVQfbS7FdKCpDzfVzBg/Z rWieJ71iJC+1lOaCJ8QO9ofn4V7PbvFE26eYCPCwTQ+PfRGEZFYatK3LH7mIahxdMEm3 89X4hjWeQJLnLbew0D6g2IV+m+6MH1OAd+MwFguvevngIE/+BFwXAk+iR7ixQ8MmIYGD HA6QcQSNIboNDObvqWFqAl+TLyFVP6cEBFb6Lqwje1rpUcrkls1oM6uwGsbjplNWPpbT Rg== Received: from iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta03.appoci.oracle.com [130.35.103.27]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3k9b7swc7h-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 21 Oct 2022 23:49:39 +0000 Received: from pps.filterd (iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (8.17.1.5/8.17.1.5) with ESMTP id 29LMgIQT007144; Fri, 21 Oct 2022 23:49:39 GMT Received: from ban25x6uut24.us.oracle.com (ban25x6uut24.us.oracle.com [10.153.73.24]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTP id 3k8hre9a3b-3; Fri, 21 Oct 2022 23:49:39 +0000 From: Si-Wei Liu To: mst@redhat.com, jasowang@redhat.com, parav@nvidia.com Cc: virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 2/4] vdpa: pass initial config to _vdpa_register_device() Date: Fri, 21 Oct 2022 15:43:55 -0700 Message-Id: <1666392237-4042-3-git-send-email-si-wei.liu@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1666392237-4042-1-git-send-email-si-wei.liu@oracle.com> References: <1666392237-4042-1-git-send-email-si-wei.liu@oracle.com> X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-10-21_04,2022-10-21_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 spamscore=0 bulkscore=0 mlxscore=0 phishscore=0 suspectscore=0 adultscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2209130000 definitions=main-2210210139 X-Proofpoint-GUID: i-UeKb6RIh-aSPzyS2heCENj2RNPyc5M X-Proofpoint-ORIG-GUID: i-UeKb6RIh-aSPzyS2heCENj2RNPyc5M X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1747343191308493051?= X-GMAIL-MSGID: =?utf-8?q?1747343191308493051?= Just as _vdpa_register_device taking @nvqs as the number of queues to feed userspace inquery via vdpa_dev_fill(), we can follow the same to stash config attributes in struct vdpa_device at the time of vdpa registration. Signed-off-by: Si-Wei Liu --- drivers/vdpa/ifcvf/ifcvf_main.c | 2 +- drivers/vdpa/mlx5/net/mlx5_vnet.c | 2 +- drivers/vdpa/vdpa.c | 15 +++++++++++---- drivers/vdpa/vdpa_sim/vdpa_sim_blk.c | 2 +- drivers/vdpa/vdpa_sim/vdpa_sim_net.c | 2 +- drivers/vdpa/vdpa_user/vduse_dev.c | 2 +- drivers/vdpa/virtio_pci/vp_vdpa.c | 3 ++- include/linux/vdpa.h | 3 ++- 8 files changed, 20 insertions(+), 11 deletions(-) diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c index f9c0044..c54ab2c 100644 --- a/drivers/vdpa/ifcvf/ifcvf_main.c +++ b/drivers/vdpa/ifcvf/ifcvf_main.c @@ -771,7 +771,7 @@ static int ifcvf_vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name, else ret = dev_set_name(&vdpa_dev->dev, "vdpa%u", vdpa_dev->index); - ret = _vdpa_register_device(&adapter->vdpa, vf->nr_vring); + ret = _vdpa_register_device(&adapter->vdpa, vf->nr_vring, config); if (ret) { put_device(&adapter->vdpa.dev); IFCVF_ERR(pdev, "Failed to register to vDPA bus"); diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index 9091336..376082e 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -3206,7 +3206,7 @@ static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name, mlx5_notifier_register(mdev, &ndev->nb); ndev->nb_registered = true; mvdev->vdev.mdev = &mgtdev->mgtdev; - err = _vdpa_register_device(&mvdev->vdev, max_vqs + 1); + err = _vdpa_register_device(&mvdev->vdev, max_vqs + 1, add_config); if (err) goto err_reg; diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c index febdc99..bebded6 100644 --- a/drivers/vdpa/vdpa.c +++ b/drivers/vdpa/vdpa.c @@ -215,11 +215,16 @@ static int vdpa_name_match(struct device *dev, const void *data) return (strcmp(dev_name(&vdev->dev), data) == 0); } -static int __vdpa_register_device(struct vdpa_device *vdev, u32 nvqs) +static int __vdpa_register_device(struct vdpa_device *vdev, u32 nvqs, + const struct vdpa_dev_set_config *cfg) { struct device *dev; vdev->nvqs = nvqs; + if (cfg) + vdev->init_cfg = *cfg; + else + vdev->init_cfg.mask = 0ULL; lockdep_assert_held(&vdpa_dev_lock); dev = bus_find_device(&vdpa_bus, NULL, dev_name(&vdev->dev), vdpa_name_match); @@ -237,15 +242,17 @@ static int __vdpa_register_device(struct vdpa_device *vdev, u32 nvqs) * callback after setting up valid mgmtdev for this vdpa device. * @vdev: the vdpa device to be registered to vDPA bus * @nvqs: number of virtqueues supported by this device + * @cfg: initial config on vdpa device creation * * Return: Returns an error when fail to add device to vDPA bus */ -int _vdpa_register_device(struct vdpa_device *vdev, u32 nvqs) +int _vdpa_register_device(struct vdpa_device *vdev, u32 nvqs, + const struct vdpa_dev_set_config *cfg) { if (!vdev->mdev) return -EINVAL; - return __vdpa_register_device(vdev, nvqs); + return __vdpa_register_device(vdev, nvqs, cfg); } EXPORT_SYMBOL_GPL(_vdpa_register_device); @@ -262,7 +269,7 @@ int vdpa_register_device(struct vdpa_device *vdev, u32 nvqs) int err; down_write(&vdpa_dev_lock); - err = __vdpa_register_device(vdev, nvqs); + err = __vdpa_register_device(vdev, nvqs, NULL); up_write(&vdpa_dev_lock); return err; } diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c index c6db1a1..5e1cebc 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c @@ -387,7 +387,7 @@ static int vdpasim_blk_dev_add(struct vdpa_mgmt_dev *mdev, const char *name, if (IS_ERR(simdev)) return PTR_ERR(simdev); - ret = _vdpa_register_device(&simdev->vdpa, VDPASIM_BLK_VQ_NUM); + ret = _vdpa_register_device(&simdev->vdpa, VDPASIM_BLK_VQ_NUM, config); if (ret) goto put_dev; diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c index c3cb225..06ef5a0 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c @@ -260,7 +260,7 @@ static int vdpasim_net_dev_add(struct vdpa_mgmt_dev *mdev, const char *name, vdpasim_net_setup_config(simdev, config); - ret = _vdpa_register_device(&simdev->vdpa, VDPASIM_NET_VQ_NUM); + ret = _vdpa_register_device(&simdev->vdpa, VDPASIM_NET_VQ_NUM, config); if (ret) goto reg_err; diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c index 35dceee..6530fd2 100644 --- a/drivers/vdpa/vdpa_user/vduse_dev.c +++ b/drivers/vdpa/vdpa_user/vduse_dev.c @@ -1713,7 +1713,7 @@ static int vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name, if (ret) return ret; - ret = _vdpa_register_device(&dev->vdev->vdpa, dev->vq_num); + ret = _vdpa_register_device(&dev->vdev->vdpa, dev->vq_num, config); if (ret) { put_device(&dev->vdev->vdpa.dev); return ret; diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c b/drivers/vdpa/virtio_pci/vp_vdpa.c index d448db0..ffdc90e 100644 --- a/drivers/vdpa/virtio_pci/vp_vdpa.c +++ b/drivers/vdpa/virtio_pci/vp_vdpa.c @@ -538,7 +538,8 @@ static int vp_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name, vp_vdpa->config_irq = VIRTIO_MSI_NO_VECTOR; vp_vdpa->vdpa.mdev = &vp_vdpa_mgtdev->mgtdev; - ret = _vdpa_register_device(&vp_vdpa->vdpa, vp_vdpa->queues); + ret = _vdpa_register_device(&vp_vdpa->vdpa, vp_vdpa->queues, + add_config); if (ret) { dev_err(&pdev->dev, "Failed to register to vdpa bus\n"); goto err; diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h index 9f519a3..e68ab65 100644 --- a/include/linux/vdpa.h +++ b/include/linux/vdpa.h @@ -381,7 +381,8 @@ struct vdpa_device *__vdpa_alloc_device(struct device *parent, int vdpa_register_device(struct vdpa_device *vdev, u32 nvqs); void vdpa_unregister_device(struct vdpa_device *vdev); -int _vdpa_register_device(struct vdpa_device *vdev, u32 nvqs); +int _vdpa_register_device(struct vdpa_device *vdev, u32 nvqs, + const struct vdpa_dev_set_config *cfg); void _vdpa_unregister_device(struct vdpa_device *vdev); /**