From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc Zyngier Subject: [PATCH v3 02/22] arm64: KVM: Add a HYP-specific header file Date: Mon, 7 Dec 2015 10:53:18 +0000 Message-ID: <1449485618-9443-3-git-send-email-marc.zyngier@arm.com> References: <1449485618-9443-1-git-send-email-marc.zyngier@arm.com> Cc: =?UTF-8?q?Alex=20Benn=C3=A9e?= , Steve Capper , Ard Biesheuvel , Mark Rutland , Catalin Marinas , linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu To: Christoffer Dall Return-path: Received: from foss.arm.com ([217.140.101.70]:35759 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754595AbbLGKxx (ORCPT ); Mon, 7 Dec 2015 05:53:53 -0500 In-Reply-To: <1449485618-9443-1-git-send-email-marc.zyngier@arm.com> Sender: kvm-owner@vger.kernel.org List-ID: In order to expose the various EL2 services that are private to the hypervisor, add a new hyp.h file. So far, it only contains mundane things such as section annotation and VA manipulation. Signed-off-by: Marc Zyngier --- arch/arm64/kvm/hyp/hyp.h | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 arch/arm64/kvm/hyp/hyp.h diff --git a/arch/arm64/kvm/hyp/hyp.h b/arch/arm64/kvm/hyp/hyp.h new file mode 100644 index 0000000..057f483 --- /dev/null +++ b/arch/arm64/kvm/hyp/hyp.h @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2015 - ARM Ltd + * Author: Marc Zyngier + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * 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 . + */ + +#ifndef __ARM64_KVM_HYP_H__ +#define __ARM64_KVM_HYP_H__ + +#include +#include +#include +#include + +#define __hyp_text __section(.hyp.text) notrace + +#define kern_hyp_va(v) (typeof(v))((unsigned long)(v) & HYP_PAGE_OFFSET_MASK) +#define hyp_kern_va(v) (typeof(v))((unsigned long)(v) - HYP_PAGE_OFFSET \ + + PAGE_OFFSET) + +#endif /* __ARM64_KVM_HYP_H__ */ + -- 2.1.4 From mboxrd@z Thu Jan 1 00:00:00 1970 From: marc.zyngier@arm.com (Marc Zyngier) Date: Mon, 7 Dec 2015 10:53:18 +0000 Subject: [PATCH v3 02/22] arm64: KVM: Add a HYP-specific header file In-Reply-To: <1449485618-9443-1-git-send-email-marc.zyngier@arm.com> References: <1449485618-9443-1-git-send-email-marc.zyngier@arm.com> Message-ID: <1449485618-9443-3-git-send-email-marc.zyngier@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org In order to expose the various EL2 services that are private to the hypervisor, add a new hyp.h file. So far, it only contains mundane things such as section annotation and VA manipulation. Signed-off-by: Marc Zyngier --- arch/arm64/kvm/hyp/hyp.h | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 arch/arm64/kvm/hyp/hyp.h diff --git a/arch/arm64/kvm/hyp/hyp.h b/arch/arm64/kvm/hyp/hyp.h new file mode 100644 index 0000000..057f483 --- /dev/null +++ b/arch/arm64/kvm/hyp/hyp.h @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2015 - ARM Ltd + * Author: Marc Zyngier + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * 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 . + */ + +#ifndef __ARM64_KVM_HYP_H__ +#define __ARM64_KVM_HYP_H__ + +#include +#include +#include +#include + +#define __hyp_text __section(.hyp.text) notrace + +#define kern_hyp_va(v) (typeof(v))((unsigned long)(v) & HYP_PAGE_OFFSET_MASK) +#define hyp_kern_va(v) (typeof(v))((unsigned long)(v) - HYP_PAGE_OFFSET \ + + PAGE_OFFSET) + +#endif /* __ARM64_KVM_HYP_H__ */ + -- 2.1.4