From patchwork Thu Aug 5 12:39:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "wangyanan (Y)" X-Patchwork-Id: 1513877 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) 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 ozlabs.org (Postfix) with ESMTPS id 4GgSz80jDmz9sW8 for ; Thu, 5 Aug 2021 22:46:27 +1000 (AEST) Received: from localhost ([::1]:57832 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mBclU-0004rv-GL for incoming@patchwork.ozlabs.org; Thu, 05 Aug 2021 08:46:24 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53626) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mBcf2-00047M-Or; Thu, 05 Aug 2021 08:39:44 -0400 Received: from szxga08-in.huawei.com ([45.249.212.255]:2272) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mBcew-00063J-Px; Thu, 05 Aug 2021 08:39:44 -0400 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.56]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4GgSq35bBkz1CSmh; Thu, 5 Aug 2021 20:39:27 +0800 (CST) Received: from dggpemm500023.china.huawei.com (7.185.36.83) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Thu, 5 Aug 2021 20:39:34 +0800 Received: from DESKTOP-TMVL5KK.china.huawei.com (10.174.187.128) by dggpemm500023.china.huawei.com (7.185.36.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Thu, 5 Aug 2021 20:39:34 +0800 From: Yanan Wang To: Peter Maydell , Andrew Jones , "Michael S . Tsirkin" , Igor Mammedov Subject: [PATCH for-6.2 v5 4/5] hw/acpi/aml-build: Add Processor hierarchy node structure Date: Thu, 5 Aug 2021 20:39:20 +0800 Message-ID: <20210805123921.62540-5-wangyanan55@huawei.com> X-Mailer: git-send-email 2.8.4.windows.1 In-Reply-To: <20210805123921.62540-1-wangyanan55@huawei.com> References: <20210805123921.62540-1-wangyanan55@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.187.128] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggpemm500023.china.huawei.com (7.185.36.83) X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.255; envelope-from=wangyanan55@huawei.com; helo=szxga08-in.huawei.com X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 5.0 requ) RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Salil Mehta , qemu-devel@nongnu.org, Yanan Wang , Shannon Zhao , qemu-arm@nongnu.org, Alistair Francis , wanghaibin.wang@huawei.com, David Gibson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Add a generic API to build Processor hierarchy node structure (Type 0), which is strictly consistent with descriptions in ACPI 6.2: 5.2.29.1. This function will be used to build ACPI PPTT table for cpu topology. Reviewed-by: Andrew Jones Co-developed-by: Ying Fang Co-developed-by: Henglong Fan Co-developed-by: Yanan Wang Signed-off-by: Yanan Wang --- hw/acpi/aml-build.c | 26 ++++++++++++++++++++++++++ include/hw/acpi/aml-build.h | 4 ++++ 2 files changed, 30 insertions(+) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index d5103e6d7b..9fa5024414 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -1920,6 +1920,32 @@ void build_slit(GArray *table_data, BIOSLinker *linker, MachineState *ms, table_data->len - slit_start, 1, oem_id, oem_table_id); } +/* ACPI 6.2: 5.2.29.1 Processor hierarchy node structure (Type 0) */ +void build_processor_hierarchy_node(GArray *tbl, uint32_t flags, + uint32_t parent, uint32_t id, + uint32_t *priv_rsrc, uint32_t priv_num) +{ + int i; + + build_append_byte(tbl, 0); /* Type 0 - processor */ + build_append_byte(tbl, 20 + priv_num * 4); /* Length */ + build_append_int_noprefix(tbl, 0, 2); /* Reserved */ + build_append_int_noprefix(tbl, flags, 4); /* Flags */ + build_append_int_noprefix(tbl, parent, 4); /* Parent */ + build_append_int_noprefix(tbl, id, 4); /* ACPI Processor ID */ + + /* Number of private resources */ + build_append_int_noprefix(tbl, priv_num, 4); + + /* Private resources[N] */ + if (priv_num > 0) { + assert(priv_rsrc); + for (i = 0; i < priv_num; i++) { + build_append_int_noprefix(tbl, priv_rsrc[i], 4); + } + } +} + /* build rev1/rev3/rev5.1 FADT */ void build_fadt(GArray *tbl, BIOSLinker *linker, const AcpiFadtData *f, const char *oem_id, const char *oem_table_id) diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index 471266d739..ea74b8f6ed 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -462,6 +462,10 @@ void build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base, void build_slit(GArray *table_data, BIOSLinker *linker, MachineState *ms, const char *oem_id, const char *oem_table_id); +void build_processor_hierarchy_node(GArray *tbl, uint32_t flags, + uint32_t parent, uint32_t id, + uint32_t *priv_rsrc, uint32_t priv_num); + void build_fadt(GArray *tbl, BIOSLinker *linker, const AcpiFadtData *f, const char *oem_id, const char *oem_table_id);