diff options
| author | Marc Zyngier <marc.zyngier@arm.com> | 2015-10-21 10:09:49 +0100 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-11-09 22:15:40 +0800 |
| commit | eb99dec6d1e3b75580d312b1d29a18c39ed1e7ad (patch) | |
| tree | 872bb2ffbb3cf256650fc730715a157d69feabb7 /arch/arm64/kvm | |
| parent | ac185e4487ba0b3684f511fcacbc63b0359f679b (diff) | |
arm64: KVM: Add a HYP-specific header file
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 <marc.zyngier@arm.com>
(cherry picked from commit c76a0a6695c61088c8d2e731e25305502666bf7d)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
Diffstat (limited to 'arch/arm64/kvm')
| -rw-r--r-- | arch/arm64/kvm/hyp/hyp.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm64/kvm/hyp/hyp.h b/arch/arm64/kvm/hyp/hyp.h new file mode 100644 index 000000000000..057f483d14c8 --- /dev/null +++ b/arch/arm64/kvm/hyp/hyp.h @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2015 - ARM Ltd + * Author: Marc Zyngier <marc.zyngier@arm.com> + * + * 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 <http://www.gnu.org/licenses/>. + */ + +#ifndef __ARM64_KVM_HYP_H__ +#define __ARM64_KVM_HYP_H__ + +#include <linux/compiler.h> +#include <linux/kvm_host.h> +#include <asm/kvm_mmu.h> +#include <asm/sysreg.h> + +#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__ */ + |