From patchwork Thu Nov 30 14:41:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhao Liu X-Patchwork-Id: 13474556 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.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 A5DBCC46CA3 for ; Thu, 30 Nov 2023 14:39:23 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.644765.1006262 (Exim 4.92) (envelope-from ) id 1r8iC5-00030m-QM; Thu, 30 Nov 2023 14:39:09 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 644765.1006262; Thu, 30 Nov 2023 14:39:09 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1r8iC5-0002zo-Hy; Thu, 30 Nov 2023 14:39:09 +0000 Received: by outflank-mailman (input) for mailman id 644765; Thu, 30 Nov 2023 14:32:31 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1r8i5f-0007mE-6r for xen-devel@lists.xenproject.org; Thu, 30 Nov 2023 14:32:31 +0000 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.43]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 4a61d930-8f8d-11ee-98e4-6d05b1d4d9a1; Thu, 30 Nov 2023 15:32:30 +0100 (CET) Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Nov 2023 06:32:08 -0800 Received: from liuzhao-optiplex-7080.sh.intel.com ([10.239.160.36]) by orsmga005.jf.intel.com with ESMTP; 30 Nov 2023 06:31:58 -0800 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 4a61d930-8f8d-11ee-98e4-6d05b1d4d9a1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1701354750; x=1732890750; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=rfkBnAETWygr5TaDQC+NvTNqfHDXa5mpCuKsaH8rIdY=; b=aPuyWK5A854Ff9dtyoTyoKDHk4MlCWRzjVALHOdu7BJg+IhIk5PVtKX0 0CLnVd0I30oCisuj2FsROL5rMT2WeWP4eg4m7C1QUjkdgROMfkyS9nsaR XHz43ZzcdMaAI6SB1iCnMe3tl1qTH7uA3X3eJsT+sKg4gYEj2MTszAzhN IsMIMKnjz53PBpXRQVvTefPfehOIgvzacXmWNiiVveK+W08QgaFsMxzYY +XrFi9ZxdczaOn3fgY6FFIHqvH6XzrXeq/+WdQdToKQm1Qn30znrOahn2 WyMv3It1LEOSjsKTSYZK5pU99ypVJlwamh/llyaKJiEk7G2U31upvQuif w==; X-IronPort-AV: E=McAfee;i="6600,9927,10910"; a="479531552" X-IronPort-AV: E=Sophos;i="6.04,239,1695711600"; d="scan'208";a="479531552" X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10910"; a="942729798" X-IronPort-AV: E=Sophos;i="6.04,239,1695711600"; d="scan'208";a="942729798" From: Zhao Liu To: Paolo Bonzini , =?utf-8?q?Alex_Benn=C3=A9e?= , =?utf-8?q?Philippe_M?= =?utf-8?q?athieu-Daud=C3=A9?= , Eduardo Habkost , Marcel Apfelbaum , Yanan Wang , Richard Henderson , "Michael S . Tsirkin" , Jason Wang , Nicholas Piggin , Daniel Henrique Barboza , Igor Mammedov , =?utf-8?q?C=C3=A9dric_Le_Goater?= , =?utf-8?b?RnLDqWTDqXJp?= =?utf-8?b?YyBCYXJyYXQ=?= , David Gibson , Harsh Prateek Bora , Stefano Stabellini , Anthony Perard , Paul Durrant , Gerd Hoffmann , Peter Maydell , Alistair Francis , "Edgar E . Iglesias" , =?utf-8?q?Daniel_P_=2E_Ber?= =?utf-8?q?rang=C3=A9?= , Bin Meng , Palmer Dabbelt , Weiwei Li , Liu Zhiwei , qemu-devel@nongnu.org, kvm@vger.kernel.org, qemu-ppc@nongnu.org, xen-devel@lists.xenproject.org, qemu-arm@nongnu.org, qemu-riscv@nongnu.org, qemu-s390x@nongnu.org Cc: Nina Schoetterl-Glausch , Thomas Huth , Zhiyuan Lv , Zhenyu Wang , Yongwei Ma , Zhao Liu Subject: [RFC 10/41] hw/core/topo: Add virtual method to update topology info for parent Date: Thu, 30 Nov 2023 22:41:32 +0800 Message-Id: <20231130144203.2307629-11-zhao1.liu@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231130144203.2307629-1-zhao1.liu@linux.intel.com> References: <20231130144203.2307629-1-zhao1.liu@linux.intel.com> MIME-Version: 1.0 From: Zhao Liu When a new topology device is inserted into the topology tree, its'parents (including non-direct parent) need to update topology information. Add the virtual method to help parents on topology tree update topology information statistics. Signed-off-by: Zhao Liu --- hw/core/cpu-topo.c | 20 ++++++++++++++++++++ include/hw/core/cpu-topo.h | 4 ++++ 2 files changed, 24 insertions(+) diff --git a/hw/core/cpu-topo.c b/hw/core/cpu-topo.c index 3e0c183388d8..e244f0a3564e 100644 --- a/hw/core/cpu-topo.c +++ b/hw/core/cpu-topo.c @@ -154,6 +154,20 @@ static void cpu_topo_build_hierarchy(CPUTopoState *topo, Error **errp) cpu_topo_refresh_free_child_index(parent); } +static void cpu_topo_update_info(CPUTopoState *topo, bool is_realize) +{ + CPUTopoState *parent = topo->parent; + CPUTopoClass *tc; + + while (parent) { + tc = CPU_TOPO_GET_CLASS(parent); + if (tc->update_topo_info) { + tc->update_topo_info(parent, topo, is_realize); + } + parent = parent->parent; + } +} + static void cpu_topo_set_parent(CPUTopoState *topo, Error **errp) { Object *obj = OBJECT(topo); @@ -178,6 +192,11 @@ static void cpu_topo_set_parent(CPUTopoState *topo, Error **errp) if (topo->parent) { cpu_topo_build_hierarchy(topo, errp); + if (*errp) { + return; + } + + cpu_topo_update_info(topo, true); } } @@ -203,6 +222,7 @@ static void cpu_topo_destroy_hierarchy(CPUTopoState *topo) return; } + cpu_topo_update_info(topo, false); QTAILQ_REMOVE(&parent->children, topo, sibling); parent->num_children--; diff --git a/include/hw/core/cpu-topo.h b/include/hw/core/cpu-topo.h index c0dfff9dc63b..79cd8606feca 100644 --- a/include/hw/core/cpu-topo.h +++ b/include/hw/core/cpu-topo.h @@ -44,6 +44,8 @@ OBJECT_DECLARE_TYPE(CPUTopoState, CPUTopoClass, CPU_TOPO) /** * CPUTopoClass: * @level: Topology level for this CPUTopoClass. + * @update_topo_info: Method to update topology information statistics when + * new child (including direct child and non-direct child) is added. */ struct CPUTopoClass { /*< private >*/ @@ -51,6 +53,8 @@ struct CPUTopoClass { /*< public >*/ CPUTopoLevel level; + void (*update_topo_info)(CPUTopoState *parent, CPUTopoState *child, + bool is_realize); }; /**