From patchwork Wed May 8 09:03:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Duan, Zhenzhong" X-Patchwork-Id: 13658280 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 6DFC5C41513 for ; Wed, 8 May 2024 09:09:13 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s4dHV-00015S-Q3; Wed, 08 May 2024 05:08:09 -0400 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 1s4dHG-0000E4-AO for qemu-devel@nongnu.org; Wed, 08 May 2024 05:07:55 -0400 Received: from mgamail.intel.com ([198.175.65.18]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s4dH9-0005UG-0E for qemu-devel@nongnu.org; Wed, 08 May 2024 05:07:53 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1715159267; x=1746695267; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=r2PRuTeAulGK2h55QuvDIkzfGoc3c4Qtcfz0sVeJKh4=; b=AZkQb6VIkbbH9UD0vS/pOo1Iw43u+r4EFDk5P8U3rJO9TUDmGidKFhnT GoWRkmH+Eon335ABHeDwk+XdpIr91VJiK43dlYfu972ZLr3eIMlUCdkGn uUPQaBZjyIa9LM4cAZNQ2+Wesy7P98ErIaKqp0sKkEB/9ugWOCoHS5LEY bh14EOUPe+0YjyY4SnelecbsDVcXPBbXI6nALIDcNTDOly1WZz2yBSd9G 2kGvZRVzRYq0cotXECB1azs4YtB3NtuqXJdJJ64zJXDpRYOm2uplaATNi 9Y84DGHawY37Oim78nAk8gmQ0Q9uWJC1gzKuhGbIZZL6G5EDaoDhCXn/3 Q==; X-CSE-ConnectionGUID: 44I1UvvKQcCUKFBqy0mlVA== X-CSE-MsgGUID: +w7OUugQR7KSowsLeuiEbA== X-IronPort-AV: E=McAfee;i="6600,9927,11066"; a="11161013" X-IronPort-AV: E=Sophos;i="6.08,144,1712646000"; d="scan'208";a="11161013" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2024 02:07:41 -0700 X-CSE-ConnectionGUID: fhqq7hh7R12gTwX2q3wFYQ== X-CSE-MsgGUID: uo8h+1FkRLKEJw/D8GobHA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,144,1712646000"; d="scan'208";a="29226545" Received: from unknown (HELO SPR-S2600BT.bj.intel.com) ([10.240.192.124]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2024 02:07:37 -0700 From: Zhenzhong Duan To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, clg@redhat.com, eric.auger@redhat.com, mst@redhat.com, peterx@redhat.com, jasowang@redhat.com, jgg@nvidia.com, nicolinc@nvidia.com, joao.m.martins@oracle.com, clement.mathieu--drif@eviden.com, kevin.tian@intel.com, yi.l.liu@intel.com, chao.p.peng@intel.com, Zhenzhong Duan Subject: [PATCH v5 10/19] vfio/container: Implement HostIOMMUDeviceClass::get_cap() handler Date: Wed, 8 May 2024 17:03:45 +0800 Message-Id: <20240508090354.1815561-11-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240508090354.1815561-1-zhenzhong.duan@intel.com> References: <20240508090354.1815561-1-zhenzhong.duan@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=198.175.65.18; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -49 X-Spam_score: -5.0 X-Spam_bar: ----- X-Spam_report: (-5.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.581, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, T_SPF_HELO_TEMPERROR=0.01 autolearn=ham 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 Suggested-by: Cédric Le Goater Signed-off-by: Zhenzhong Duan --- hw/vfio/container.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/hw/vfio/container.c b/hw/vfio/container.c index b872f6f201..c9c5347da9 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -1152,11 +1152,26 @@ static bool hiod_legacy_vfio_realize(HostIOMMUDevice *hiod, void *opaque, return true; } +static int hiod_legacy_vfio_get_cap(HostIOMMUDevice *hiod, int cap, + Error **errp) +{ + HostIOMMUDeviceCaps *caps = &hiod->caps; + + switch (cap) { + case HOST_IOMMU_DEVICE_CAP_AW_BITS: + return caps->aw_bits; + default: + error_setg(errp, "Not support get cap %x", cap); + return -EINVAL; + } +} + static void hiod_legacy_vfio_class_init(ObjectClass *oc, void *data) { HostIOMMUDeviceClass *hioc = HOST_IOMMU_DEVICE_CLASS(oc); hioc->realize = hiod_legacy_vfio_realize; + hioc->get_cap = hiod_legacy_vfio_get_cap; }; static const TypeInfo types[] = {