From patchwork Fri Mar 4 06:37:33 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shannon Zhao X-Patchwork-Id: 8499661 Return-Path: X-Original-To: patchwork-linux-arm@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 E3CDFC0553 for ; Fri, 4 Mar 2016 07:12:16 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id F21B6201C7 for ; Fri, 4 Mar 2016 07:12:15 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E4D56201BC for ; Fri, 4 Mar 2016 07:12:14 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1abjt7-0004lQ-0h; Fri, 04 Mar 2016 07:11:01 +0000 Received: from szxga03-in.huawei.com ([119.145.14.66]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1abjUQ-0002SE-VO for linux-arm-kernel@lists.infradead.org; Fri, 04 Mar 2016 06:46:08 +0000 Received: from 172.24.1.49 (EHLO szxeml431-hub.china.huawei.com) ([172.24.1.49]) by szxrg03-dlp.huawei.com (MOS 4.4.3-GA FastPath queued) with ESMTP id BXG14955; Fri, 04 Mar 2016 14:40:13 +0800 (CST) Received: from HGHY1Z002260041.china.huawei.com (10.177.16.142) by szxeml431-hub.china.huawei.com (10.82.67.208) with Microsoft SMTP Server id 14.3.235.1; Fri, 4 Mar 2016 14:38:21 +0800 From: Shannon Zhao To: , , , Subject: [PATCH v5 15/17] ARM64: XEN: Add a function to initialize Xen specific UEFI runtime services Date: Fri, 4 Mar 2016 14:37:33 +0800 Message-ID: <1457073455-11516-16-git-send-email-zhaoshenglong@huawei.com> X-Mailer: git-send-email 1.9.0.msysgit.0 In-Reply-To: <1457073455-11516-1-git-send-email-zhaoshenglong@huawei.com> References: <1457073455-11516-1-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=0001.0A020206.56D92DCE.0189, 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: 8d892218363b5f74b7106a91d911a67e X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160303_224532_293481_38EF1630 X-CRM114-Status: GOOD ( 14.15 ) X-Spam-Score: -4.2 (----) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, hangaohuai@huawei.com, linux-efi@vger.kernel.org, catalin.marinas@arm.com, will.deacon@arm.com, linux-kernel@vger.kernel.org, xen-devel@lists.xen.org, shannon.zhao@linaro.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, 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: Shannon Zhao When running on Xen hypervisor, runtime services are supported through hypercall. Add a Xen specific function to initialize runtime services. Signed-off-by: Shannon Zhao Reviewed-by: Stefano Stabellini --- arch/arm/include/asm/xen/xen-ops.h | 6 ++++++ arch/arm/xen/Makefile | 1 + arch/arm/xen/efi.c | 40 ++++++++++++++++++++++++++++++++++++ arch/arm64/include/asm/xen/xen-ops.h | 6 ++++++ arch/arm64/xen/Makefile | 1 + drivers/xen/Kconfig | 2 +- 6 files changed, 55 insertions(+), 1 deletion(-) create mode 100644 arch/arm/include/asm/xen/xen-ops.h create mode 100644 arch/arm/xen/efi.c create mode 100644 arch/arm64/include/asm/xen/xen-ops.h diff --git a/arch/arm/include/asm/xen/xen-ops.h b/arch/arm/include/asm/xen/xen-ops.h new file mode 100644 index 0000000..ec154e7 --- /dev/null +++ b/arch/arm/include/asm/xen/xen-ops.h @@ -0,0 +1,6 @@ +#ifndef _ASM_XEN_OPS_H +#define _ASM_XEN_OPS_H + +void xen_efi_runtime_setup(void); + +#endif /* _ASM_XEN_OPS_H */ diff --git a/arch/arm/xen/Makefile b/arch/arm/xen/Makefile index 1296952..2279521 100644 --- a/arch/arm/xen/Makefile +++ b/arch/arm/xen/Makefile @@ -1 +1,2 @@ obj-y := enlighten.o hypercall.o grant-table.o p2m.o mm.o +obj-$(CONFIG_XEN_EFI) += efi.o diff --git a/arch/arm/xen/efi.c b/arch/arm/xen/efi.c new file mode 100644 index 0000000..16db419 --- /dev/null +++ b/arch/arm/xen/efi.c @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2015, Linaro Limited, Shannon Zhao + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see . + */ + +#include +#include +#include + +/* Set XEN EFI runtime services function pointers. Other fields of struct efi, + * e.g. efi.systab, will be set like normal EFI. + */ +void __init xen_efi_runtime_setup(void) +{ + efi.get_time = xen_efi_get_time; + efi.set_time = xen_efi_set_time; + efi.get_wakeup_time = xen_efi_get_wakeup_time; + efi.set_wakeup_time = xen_efi_set_wakeup_time; + efi.get_variable = xen_efi_get_variable; + efi.get_next_variable = xen_efi_get_next_variable; + efi.set_variable = xen_efi_set_variable; + efi.query_variable_info = xen_efi_query_variable_info; + efi.update_capsule = xen_efi_update_capsule; + efi.query_capsule_caps = xen_efi_query_capsule_caps; + efi.get_next_high_mono_count = xen_efi_get_next_high_mono_count; + efi.reset_system = NULL; /* Functionality provided by Xen. */ +} +EXPORT_SYMBOL_GPL(xen_efi_runtime_setup); diff --git a/arch/arm64/include/asm/xen/xen-ops.h b/arch/arm64/include/asm/xen/xen-ops.h new file mode 100644 index 0000000..ec154e7 --- /dev/null +++ b/arch/arm64/include/asm/xen/xen-ops.h @@ -0,0 +1,6 @@ +#ifndef _ASM_XEN_OPS_H +#define _ASM_XEN_OPS_H + +void xen_efi_runtime_setup(void); + +#endif /* _ASM_XEN_OPS_H */ diff --git a/arch/arm64/xen/Makefile b/arch/arm64/xen/Makefile index 74a8d87..8ff8aa9 100644 --- a/arch/arm64/xen/Makefile +++ b/arch/arm64/xen/Makefile @@ -1,2 +1,3 @@ xen-arm-y += $(addprefix ../../arm/xen/, enlighten.o grant-table.o p2m.o mm.o) obj-y := xen-arm.o hypercall.o +obj-$(CONFIG_XEN_EFI) += $(addprefix ../../arm/xen/, efi.o) diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig index 73708ac..d50571c 100644 --- a/drivers/xen/Kconfig +++ b/drivers/xen/Kconfig @@ -268,7 +268,7 @@ config XEN_HAVE_PVMMU config XEN_EFI def_bool y - depends on X86_64 && EFI + depends on (ARM || ARM64 || X86_64) && EFI config XEN_AUTO_XLATE def_bool y