From patchwork Fri Sep 24 12:27:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Igor Mammedov X-Patchwork-Id: 1532271 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=Db9WUXDh; dkim-atps=neutral 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 4HGBgB2RB2z9sX3 for ; Fri, 24 Sep 2021 22:49:10 +1000 (AEST) Received: from localhost ([::1]:60880 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mTkdX-0004W5-AW for incoming@patchwork.ozlabs.org; Fri, 24 Sep 2021 08:49:07 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47164) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mTkK1-00052q-R6 for qemu-devel@nongnu.org; Fri, 24 Sep 2021 08:28:59 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:32985) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mTkK0-0001Jo-BC for qemu-devel@nongnu.org; Fri, 24 Sep 2021 08:28:57 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1632486535; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=MCrK5OfoAJbNh/u9lbT/9DUws5i2IZqo+HSbs1VORf4=; b=Db9WUXDh1qv2yOxfg5R6BecjTJwidIU7TF7WJroGAK+hW5Pc6GG+/nnWNR6+Q+zqLp0BBF ukADZlXCQyahCUCwFSUB7plSmWWTuifluAyUReaajZcHc/Jif4p3S7KmeEQw9eFzlgrdUt GZEl9MtqoA5jjHuWcugJzFBwaOirIVA= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-578-3VDvJRcwOfamC966J6Delw-1; Fri, 24 Sep 2021 08:28:54 -0400 X-MC-Unique: 3VDvJRcwOfamC966J6Delw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B714D1084683; Fri, 24 Sep 2021 12:28:53 +0000 (UTC) Received: from dell-r430-03.lab.eng.brq.redhat.com (dell-r430-03.lab.eng.brq.redhat.com [10.37.153.18]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2881062465; Fri, 24 Sep 2021 12:28:40 +0000 (UTC) From: Igor Mammedov To: qemu-devel@nongnu.org Subject: [PATCH v4 11/35] acpi: nvdimm_build_ssdt: use acpi_table_begin()/acpi_table_end() instead of build_header() Date: Fri, 24 Sep 2021 08:27:38 -0400 Message-Id: <20210924122802.1455362-12-imammedo@redhat.com> In-Reply-To: <20210924122802.1455362-1-imammedo@redhat.com> References: <20210924122802.1455362-1-imammedo@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=imammedo@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.133.124; envelope-from=imammedo@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.473, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, 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: ani@anisinha.ca, Eric Auger , xiaoguangrong.eric@gmail.com, mst@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" it replaces error-prone pointer arithmetic for build_header() API, with 2 calls to start and finish table creation, which hides offsets magic from API user. Signed-off-by: Igor Mammedov Reviewed-by: Eric Auger --- v4: * s/acpi_table_composed/acpi_table_end/ (Reviewed-by: Eric Auger ) v3: * s/acpi_init_table|acpi_table_composed/acpi_table_begin|acpi_table_end/ CC: xiaoguangrong.eric@gmail.com --- hw/acpi/nvdimm.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c index 15f6ca82ca..a7539cfe89 100644 --- a/hw/acpi/nvdimm.c +++ b/hw/acpi/nvdimm.c @@ -1274,14 +1274,15 @@ static void nvdimm_build_ssdt(GArray *table_offsets, GArray *table_data, NVDIMMState *nvdimm_state, uint32_t ram_slots, const char *oem_id) { + int mem_addr_offset; Aml *ssdt, *sb_scope, *dev; - int mem_addr_offset, nvdimm_ssdt; + AcpiTable table = { .sig = "SSDT", .rev = 1, + .oem_id = oem_id, .oem_table_id = "NVDIMM" }; acpi_add_table(table_offsets, table_data); + acpi_table_begin(&table, table_data); ssdt = init_aml_allocator(); - acpi_data_push(ssdt->buf, sizeof(AcpiTableHeader)); - sb_scope = aml_scope("\\_SB"); dev = aml_device("NVDR"); @@ -1310,8 +1311,6 @@ static void nvdimm_build_ssdt(GArray *table_offsets, GArray *table_data, aml_append(sb_scope, dev); aml_append(ssdt, sb_scope); - nvdimm_ssdt = table_data->len; - /* copy AML table into ACPI tables blob and patch header there */ g_array_append_vals(table_data, ssdt->buf->data, ssdt->buf->len); mem_addr_offset = build_append_named_dword(table_data, @@ -1323,10 +1322,13 @@ static void nvdimm_build_ssdt(GArray *table_offsets, GArray *table_data, bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE, mem_addr_offset, sizeof(uint32_t), NVDIMM_DSM_MEM_FILE, 0); - build_header(linker, table_data, - (void *)(table_data->data + nvdimm_ssdt), - "SSDT", table_data->len - nvdimm_ssdt, 1, oem_id, "NVDIMM"); free_aml_allocator(); + /* + * must be executed as the last so that pointer patching command above + * would be executed by guest before it recalculated checksum which were + * scheduled by acpi_table_end() + */ + acpi_table_end(linker, &table); } void nvdimm_build_srat(GArray *table_data)