[PATCH 02/21] arm64: KVM: Add a HYP-specific header file
Marc Zyngier
marc.zyngier at arm.com
Mon Nov 16 05:11:40 PST 2015
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 at arm.com>
---
arch/arm64/kvm/hyp/hyp.h | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 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..dac843e
--- /dev/null
+++ b/arch/arm64/kvm/hyp/hyp.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2015 - ARM Ltd
+ * Author: Marc Zyngier <marc.zyngier at 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)
+
+#endif /* __ARM64_KVM_HYP_H__ */
+
--
2.1.4
More information about the linux-arm-kernel
mailing list