From patchwork Sat May 13 13:21:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Liu X-Patchwork-Id: 13240183 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 89CC2C7EE24 for ; Sat, 13 May 2023 13:21:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A9E9C10E0CA; Sat, 13 May 2023 13:21:50 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id BD6C410E0C0; Sat, 13 May 2023 13:21:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1683984104; x=1715520104; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=qN4HM5ImPoRe5kczhtMbmX4n3XHxYESenqa+cBcxH44=; b=HbSfUJ4ACVE9VA55cHnQUqmetESPW/6eOZyiAsevwoaHrfpOsk2QjriM DOAo+Z8hDGObplZn01/9EtsAx13LQh+rkXFscXHdRt6RHhj4G6hbfVM2l a2K9zvXUBkcWSe9rrXAapT4tKILtfUKmWOjR7M3jOCP/szjRPRxQSZfxe Ep75waJlgPBjUiRWOCz7vUFezfD0OLonk918p/zFBUNDSaoGm5VCFExmY BKzWSquUV1nD8xCaseh+sTx2X2lfeXKxuG77VYi0gTEdzVRfQtZo8Y1yL zai1XfJz9p84q/Tn1mameGVbZvNqkZINzW2MI51XKPSyCD+5Vg9Rc1ckl Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10708"; a="416598985" X-IronPort-AV: E=Sophos;i="5.99,272,1677571200"; d="scan'208";a="416598985" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 May 2023 06:21:44 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10708"; a="790126451" X-IronPort-AV: E=Sophos;i="5.99,272,1677571200"; d="scan'208";a="790126451" Received: from 984fee00a4c6.jf.intel.com ([10.165.58.231]) by FMSMGA003.fm.intel.com with ESMTP; 13 May 2023 06:21:43 -0700 From: Yi Liu To: alex.williamson@redhat.com, jgg@nvidia.com, kevin.tian@intel.com Date: Sat, 13 May 2023 06:21:30 -0700 Message-Id: <20230513132136.15021-5-yi.l.liu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230513132136.15021-1-yi.l.liu@intel.com> References: <20230513132136.15021-1-yi.l.liu@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v5 04/10] vfio: Mark cdev usage in vfio_device X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mjrosato@linux.ibm.com, jasowang@redhat.com, xudong.hao@intel.com, zhenzhong.duan@intel.com, peterx@redhat.com, terrence.xu@intel.com, chao.p.peng@linux.intel.com, linux-s390@vger.kernel.org, yi.l.liu@intel.com, kvm@vger.kernel.org, lulu@redhat.com, yanting.jiang@intel.com, joro@8bytes.org, nicolinc@nvidia.com, yan.y.zhao@intel.com, intel-gfx@lists.freedesktop.org, eric.auger@redhat.com, intel-gvt-dev@lists.freedesktop.org, yi.y.sun@linux.intel.com, clegoate@redhat.com, cohuck@redhat.com, shameerali.kolothum.thodi@huawei.com, suravee.suthikulpanit@amd.com, robin.murphy@arm.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Use it to differentiate whether to report group_id or devid in the revised VFIO_DEVICE_GET_PCI_HOT_RESET_INFO ioctl. At this moment, no cdev path yet, so the vfio_device_cdev_opened() helper always returns false. Reviewed-by: Kevin Tian Signed-off-by: Yi Liu --- include/linux/vfio.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/vfio.h b/include/linux/vfio.h index 16fd04490550..a61130bc06a2 100644 --- a/include/linux/vfio.h +++ b/include/linux/vfio.h @@ -140,6 +140,11 @@ int vfio_iommufd_emulated_attach_ioas(struct vfio_device *vdev, u32 *pt_id); ((int (*)(struct vfio_device *vdev, u32 *pt_id)) NULL) #endif +static inline bool vfio_device_cdev_opened(struct vfio_device *device) +{ + return false; +} + /** * struct vfio_migration_ops - VFIO bus device driver migration callbacks *