From patchwork Wed Feb 28 03:58:54 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Duan, Zhenzhong" X-Patchwork-Id: 13574843 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 DE99BC5478C for ; Wed, 28 Feb 2024 04:03:44 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rfB8o-0005hp-5G; Tue, 27 Feb 2024 23:01:58 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rfB8j-0005Zq-I9 for qemu-devel@nongnu.org; Tue, 27 Feb 2024 23:01:53 -0500 Received: from mgamail.intel.com ([192.198.163.19]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rfB8T-0000kD-8m for qemu-devel@nongnu.org; Tue, 27 Feb 2024 23:01:53 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1709092897; x=1740628897; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=kK5GveDjiGIDtpRZDuuTtvD+hLljT6hrvvuILu4Z11U=; b=Fb5N9IqW9nccqbL9IU5LpZSmvhi8+rQbfnt4PD1xTTlQUBEcM6ShWkNQ rg6s1FsWBN7+d8PBfrUtUnDL1Rxyz5X9m32VtNXz+dA3bypL6BOmsJ9oy uygNzCcOKWCalAQqwJyMlpV9CFBm/xN8m/eUl07UcYXwCXlLJYXxhlQqI Pa/+Pam4IZke4lBYr7RqDym3Y0GoaJykDMXJ/YbFgMrOGwxjZuFHS4xfr c/vM+/+MdK3e8+vCgNWEaA4rz8lF8w7wNWNcCuibql7rdlYob9GYaCEhn 9xA6Sw9hzqzDMrRcd7ayPHNYwmC95AU0m51A7/1K5LrWjkPxahBaUq1WV Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10996"; a="3342461" X-IronPort-AV: E=Sophos;i="6.06,189,1705392000"; d="scan'208";a="3342461" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2024 20:01:29 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,189,1705392000"; d="scan'208";a="11917209" Received: from spr-s2600bt.bj.intel.com ([10.240.192.124]) by fmviesa004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2024 20:01:25 -0800 From: Zhenzhong Duan To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, clg@redhat.com, eric.auger@redhat.com, peterx@redhat.com, jasowang@redhat.com, mst@redhat.com, jgg@nvidia.com, nicolinc@nvidia.com, joao.m.martins@oracle.com, kevin.tian@intel.com, yi.l.liu@intel.com, yi.y.sun@intel.com, chao.p.peng@intel.com, Zhenzhong Duan Subject: [PATCH v1 05/11] vfio: Introduce host_iommu_device_create callback Date: Wed, 28 Feb 2024 11:58:54 +0800 Message-Id: <20240228035900.1085727-6-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240228035900.1085727-1-zhenzhong.duan@intel.com> References: <20240228035900.1085727-1-zhenzhong.duan@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=192.198.163.19; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Introduce host_iommu_device_create callback and a wrapper for it. This callback is used to allocate a host iommu device instance and initialize it based on type. Signed-off-by: Zhenzhong Duan --- include/hw/vfio/vfio-common.h | 1 + include/hw/vfio/vfio-container-base.h | 1 + hw/vfio/common.c | 8 ++++++++ 3 files changed, 10 insertions(+) diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h index b6676c9f79..9fefea4b89 100644 --- a/include/hw/vfio/vfio-common.h +++ b/include/hw/vfio/vfio-common.h @@ -208,6 +208,7 @@ struct vfio_device_info *vfio_get_device_info(int fd); int vfio_attach_device(char *name, VFIODevice *vbasedev, AddressSpace *as, Error **errp); void vfio_detach_device(VFIODevice *vbasedev); +void host_iommu_device_create(VFIODevice *vbasedev); int vfio_kvm_device_add_fd(int fd, Error **errp); int vfio_kvm_device_del_fd(int fd, Error **errp); diff --git a/include/hw/vfio/vfio-container-base.h b/include/hw/vfio/vfio-container-base.h index b2813b0c11..dc003f6eb2 100644 --- a/include/hw/vfio/vfio-container-base.h +++ b/include/hw/vfio/vfio-container-base.h @@ -120,6 +120,7 @@ struct VFIOIOMMUClass { int (*attach_device)(const char *name, VFIODevice *vbasedev, AddressSpace *as, Error **errp); void (*detach_device)(VFIODevice *vbasedev); + void (*host_iommu_device_create)(VFIODevice *vbasedev); /* migration feature */ int (*set_dirty_page_tracking)(const VFIOContainerBase *bcontainer, bool start); diff --git a/hw/vfio/common.c b/hw/vfio/common.c index 059bfdc07a..41e9031c59 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -1521,3 +1521,11 @@ void vfio_detach_device(VFIODevice *vbasedev) } vbasedev->bcontainer->ops->detach_device(vbasedev); } + +void host_iommu_device_create(VFIODevice *vbasedev) +{ + const VFIOIOMMUClass *ops = vbasedev->bcontainer->ops; + + assert(ops->host_iommu_device_create); + ops->host_iommu_device_create(vbasedev); +}