From patchwork Fri Mar 4 06:15:52 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shannon Zhao X-Patchwork-Id: 8498911 Return-Path: X-Original-To: patchwork-xen-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id ED114C0553 for ; Fri, 4 Mar 2016 06:23:32 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0F8E8201EF for ; Fri, 4 Mar 2016 06:23:32 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2E750201CE for ; Fri, 4 Mar 2016 06:23:31 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xen.org with esmtp (Exim 4.84) (envelope-from ) id 1abj7V-0007hH-TW; Fri, 04 Mar 2016 06:21:49 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.84) (envelope-from ) id 1abj7U-0007gb-PP for xen-devel@lists.xen.org; Fri, 04 Mar 2016 06:21:48 +0000 Received: from [193.109.254.147] by server-4.bemta-14.messagelabs.com id 9A/70-03301-C7929D65; Fri, 04 Mar 2016 06:21:48 +0000 X-Env-Sender: zhaoshenglong@huawei.com X-Msg-Ref: server-12.tower-27.messagelabs.com!1457072503!28591608!1 X-Originating-IP: [119.145.14.66] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTE5LjE0NS4xNC42NiA9PiA4NTI3\n X-StarScan-Received: X-StarScan-Version: 8.11; banners=-,-,- X-VirusChecked: Checked Received: (qmail 6717 invoked from network); 4 Mar 2016 06:21:47 -0000 Received: from szxga03-in.huawei.com (HELO szxga03-in.huawei.com) (119.145.14.66) by server-12.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 4 Mar 2016 06:21:47 -0000 Received: from 172.24.1.48 (EHLO szxeml428-hub.china.huawei.com) ([172.24.1.48]) by szxrg03-dlp.huawei.com (MOS 4.4.3-GA FastPath queued) with ESMTP id BXG12476; Fri, 04 Mar 2016 14:18:24 +0800 (CST) Received: from HGHY1Z002260041.china.huawei.com (10.177.16.142) by szxeml428-hub.china.huawei.com (10.82.67.183) with Microsoft SMTP Server id 14.3.235.1; Fri, 4 Mar 2016 14:16:40 +0800 From: Shannon Zhao To: Date: Fri, 4 Mar 2016 14:15:52 +0800 Message-ID: <1457072152-16128-23-git-send-email-zhaoshenglong@huawei.com> X-Mailer: git-send-email 1.9.0.msysgit.0 In-Reply-To: <1457072152-16128-1-git-send-email-zhaoshenglong@huawei.com> References: <1457072152-16128-1-git-send-email-zhaoshenglong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.16.142] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090204.56D928B1.0035, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-05-26 15:14:31, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 7ca4485688b30e0eb09c3dacc9b7a86a Cc: hangaohuai@huawei.com, stefano.stabellini@citrix.com, shannon.zhao@linaro.org, Jan Beulich , zhaoshenglong@huawei.com Subject: [Xen-devel] [PATCH v5 22/22] xen/arm64: Add ACPI support X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Naresh Bhat Add ACPI support on arm64 xen hypervisor. Enable EFI support on ARM. Cc: Jan Beulich Signed-off-by: Naresh Bhat Signed-off-by: Shannon Zhao Acked-by: Jan Beulich Reviewed-by: Stefano Stabellini --- v5: make ACPI selectable option --- xen/arch/arm/Kconfig | 9 +++++++++ xen/common/efi/runtime.c | 12 +++++++----- xen/include/asm-arm/config.h | 4 ++++ 3 files changed, 20 insertions(+), 5 deletions(-) diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig index cb99df5..25cec31 100644 --- a/xen/arch/arm/Kconfig +++ b/xen/arch/arm/Kconfig @@ -33,6 +33,15 @@ menu "Architecture Features" source "arch/Kconfig" +config ACPI + bool "ACPI (Advanced Configuration and Power Interface) Support" + depends on ARM_64 + default y + ---help--- + + Advanced Configuration and Power Interface (ACPI) support for Xen is + an alternative to device tree on ARM64. + # Select HAS_GICV3 if GICv3 is supported config HAS_GICV3 bool diff --git a/xen/common/efi/runtime.c b/xen/common/efi/runtime.c index ae87557..c256814 100644 --- a/xen/common/efi/runtime.c +++ b/xen/common/efi/runtime.c @@ -10,14 +10,16 @@ DEFINE_XEN_GUEST_HANDLE(CHAR16); #ifndef COMPAT -#ifdef CONFIG_ARM /* Disabled until runtime services implemented */ -const bool_t efi_enabled = 0; -#else +/* + * Currently runtime services are not implemented on ARM. To boot Xen with ACPI, + * set efi_enabled to 1, so that Xen can get the ACPI root pointer from EFI. + */ +const bool_t efi_enabled = 1; + +#ifndef CONFIG_ARM # include # include # include - -const bool_t efi_enabled = 1; #endif unsigned int __read_mostly efi_num_ct; diff --git a/xen/include/asm-arm/config.h b/xen/include/asm-arm/config.h index 7ceb5c5..5fc9aa2 100644 --- a/xen/include/asm-arm/config.h +++ b/xen/include/asm-arm/config.h @@ -31,6 +31,10 @@ #define CONFIG_ARM_L1_CACHE_SHIFT 7 /* XXX */ +#ifdef CONFIG_ACPI +#define CONFIG_ACPI_BOOT 1 +#endif + #define CONFIG_SMP 1 #define CONFIG_IRQ_HAS_MULTIPLE_ACTION 1