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| author | Marc Zyngier <marc.zyngier@arm.com> | 2015-10-21 09:09:49 (GMT) |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2015-12-14 11:30:38 (GMT) |
| commit | c76a0a6695c61088c8d2e731e25305502666bf7d (patch) | |
| tree | ba050b06d3740c5a75770c85a6861e533830f5e6 /arch/arm64 | |
| parent | 3600c2fdc09a43a30909743569e35a29121602ed (diff) | |
| download | linux-c76a0a6695c61088c8d2e731e25305502666bf7d.tar.xz | |
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>
Diffstat (limited to 'arch/arm64')
| -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 0000000..057f483 --- /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__ */ + |