From patchwork Fri Sep 24 12:27:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Igor Mammedov X-Patchwork-Id: 12515291 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D5E09C433EF for ; Fri, 24 Sep 2021 13:02:22 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 49F4C6136A for ; Fri, 24 Sep 2021 13:02:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 49F4C6136A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:42166 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mTkqL-00055s-DZ for qemu-devel@archiver.kernel.org; Fri, 24 Sep 2021 09:02:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47914) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mTkLy-0007j6-0T for qemu-devel@nongnu.org; Fri, 24 Sep 2021 08:31:01 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:36261) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mTkLr-0002Ft-RQ for qemu-devel@nongnu.org; Fri, 24 Sep 2021 08:30:56 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1632486644; 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=jodc4GR434T4llzYl4wzFt7ne3HIARqOCFklqHvG4uE=; b=QR/m60ao3CpABI3+LBkTcgXbkqsOQATJBMut2yHwf0P0j1Vh0sz4oizHE/BL8qYOZyAqyx XUdi4oErhE2WDvxMVgJoU3DnUWUVzFrhxM1Y+AgD/DEOUOqu2a3VUgsNB9SbSL1HuHg8rd EB6JM+GuXT+61uC7aLxrOYaOyQLheiI= 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-522-hjYyp4o_Py6GdM8IkN6cgw-1; Fri, 24 Sep 2021 08:30:43 -0400 X-MC-Unique: hjYyp4o_Py6GdM8IkN6cgw-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 15D041084684; Fri, 24 Sep 2021 12:30:42 +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 7689562465; Fri, 24 Sep 2021 12:30:40 +0000 (UTC) From: Igor Mammedov To: qemu-devel@nongnu.org Subject: [PATCH v4 32/35] acpi: arm/virt: build_gtdt: use acpi_table_begin()/acpi_table_end() instead of build_header() Date: Fri, 24 Sep 2021 08:27:59 -0400 Message-Id: <20210924122802.1455362-33-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: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) 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=unavailable 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: peter.maydell@linaro.org, drjones@redhat.com, shannon.zhaosl@gmail.com, mst@redhat.com, Eric Auger , qemu-arm@nongnu.org, ani@anisinha.ca Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.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. while at it, replace packed structure with endian agnostic build_append_FOO() API. Signed-off-by: Igor Mammedov Reviewed-by: Eric Auger --- v3: * s/acpi_init_table|acpi_table_composed/acpi_table_begin|acpi_table_end/ CC: drjones@redhat.com CC: peter.maydell@linaro.org CC: shannon.zhaosl@gmail.com CC: qemu-arm@nongnu.org --- include/hw/acpi/acpi-defs.h | 25 ------------- hw/arm/virt-acpi-build.c | 75 ++++++++++++++++++++++++------------- 2 files changed, 48 insertions(+), 52 deletions(-) diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h index 012c4ffb3a..0b375e7589 100644 --- a/include/hw/acpi/acpi-defs.h +++ b/include/hw/acpi/acpi-defs.h @@ -131,29 +131,4 @@ struct AcpiFacsDescriptorRev1 { } QEMU_PACKED; typedef struct AcpiFacsDescriptorRev1 AcpiFacsDescriptorRev1; -/* - * Generic Timer Description Table (GTDT) - */ -#define ACPI_GTDT_INTERRUPT_MODE_LEVEL (0 << 0) -#define ACPI_GTDT_INTERRUPT_MODE_EDGE (1 << 0) -#define ACPI_GTDT_CAP_ALWAYS_ON (1 << 2) - -struct AcpiGenericTimerTable { - ACPI_TABLE_HEADER_DEF - uint64_t counter_block_addresss; - uint32_t reserved; - uint32_t secure_el1_interrupt; - uint32_t secure_el1_flags; - uint32_t non_secure_el1_interrupt; - uint32_t non_secure_el1_flags; - uint32_t virtual_timer_interrupt; - uint32_t virtual_timer_flags; - uint32_t non_secure_el2_interrupt; - uint32_t non_secure_el2_flags; - uint64_t counter_read_block_address; - uint32_t platform_timer_count; - uint32_t platform_timer_offset; -} QEMU_PACKED; -typedef struct AcpiGenericTimerTable AcpiGenericTimerTable; - #endif diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 7b79fae0ad..6cec97352b 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -559,40 +559,61 @@ build_srat(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) acpi_table_end(linker, &table); } -/* GTDT */ +/* + * ACPI spec, Revision 5.1 + * 5.2.24 Generic Timer Description Table (GTDT) + */ static void build_gtdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) { VirtMachineClass *vmc = VIRT_MACHINE_GET_CLASS(vms); - int gtdt_start = table_data->len; - AcpiGenericTimerTable *gtdt; - uint32_t irqflags; - - if (vmc->claim_edge_triggered_timers) { - irqflags = ACPI_GTDT_INTERRUPT_MODE_EDGE; - } else { - irqflags = ACPI_GTDT_INTERRUPT_MODE_LEVEL; - } - - gtdt = acpi_data_push(table_data, sizeof *gtdt); - /* The interrupt values are the same with the device tree when adding 16 */ - gtdt->secure_el1_interrupt = cpu_to_le32(ARCH_TIMER_S_EL1_IRQ + 16); - gtdt->secure_el1_flags = cpu_to_le32(irqflags); - - gtdt->non_secure_el1_interrupt = cpu_to_le32(ARCH_TIMER_NS_EL1_IRQ + 16); - gtdt->non_secure_el1_flags = cpu_to_le32(irqflags | - ACPI_GTDT_CAP_ALWAYS_ON); + /* + * Table 5-117 Flag Definitions + * set only "Timer interrupt Mode" and assume "Timer Interrupt + * polarity" bit as '0: Interrupt is Active high' + */ + uint32_t irqflags = vmc->claim_edge_triggered_timers ? + 1 : /* Interrupt is Edge triggered */ + 0; /* Interrupt is Level triggered */ + AcpiTable table = { .sig = "GTDT", .rev = 2, .oem_id = vms->oem_id, + .oem_table_id = vms->oem_table_id }; - gtdt->virtual_timer_interrupt = cpu_to_le32(ARCH_TIMER_VIRT_IRQ + 16); - gtdt->virtual_timer_flags = cpu_to_le32(irqflags); + acpi_table_begin(&table, table_data); - gtdt->non_secure_el2_interrupt = cpu_to_le32(ARCH_TIMER_NS_EL2_IRQ + 16); - gtdt->non_secure_el2_flags = cpu_to_le32(irqflags); + /* CntControlBase Physical Address */ + /* FIXME: invalid value, should be 0xFFFFFFFFFFFFFFFF if not impl. ? */ + build_append_int_noprefix(table_data, 0, 8); + build_append_int_noprefix(table_data, 0, 4); /* Reserved */ + /* + * FIXME: clarify comment: + * The interrupt values are the same with the device tree when adding 16 + */ + /* Secure EL1 timer GSIV */ + build_append_int_noprefix(table_data, ARCH_TIMER_S_EL1_IRQ + 16, 4); + /* Secure EL1 timer Flags */ + build_append_int_noprefix(table_data, irqflags, 4); + /* Non-Secure EL1 timer GSIV */ + build_append_int_noprefix(table_data, ARCH_TIMER_NS_EL1_IRQ + 16, 4); + /* Non-Secure EL1 timer Flags */ + build_append_int_noprefix(table_data, irqflags | + 1UL << 2, /* Always-on Capability */ + 4); + /* Virtual timer GSIV */ + build_append_int_noprefix(table_data, ARCH_TIMER_VIRT_IRQ + 16, 4); + /* Virtual Timer Flags */ + build_append_int_noprefix(table_data, irqflags, 4); + /* Non-Secure EL2 timer GSIV */ + build_append_int_noprefix(table_data, ARCH_TIMER_NS_EL2_IRQ + 16, 4); + /* Non-Secure EL2 timer Flags */ + build_append_int_noprefix(table_data, irqflags, 4); + /* CntReadBase Physical address */ + build_append_int_noprefix(table_data, 0, 8); + /* Platform Timer Count */ + build_append_int_noprefix(table_data, 0, 4); + /* Platform Timer Offset */ + build_append_int_noprefix(table_data, 0, 4); - build_header(linker, table_data, - (void *)(table_data->data + gtdt_start), "GTDT", - table_data->len - gtdt_start, 2, vms->oem_id, - vms->oem_table_id); + acpi_table_end(linker, &table); } /*