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linux/arch/arm64/include/asm/kvm_coproc.h

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arm64: KVM: system register handling Provide 64bit system register handling, modeled after the cp15 handling for ARM. Reviewed-by: Christopher Covington <cov@codeaurora.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2012-12-10 16:15:34 +00:00
/*
* Copyright (C) 2012,2013 - ARM Ltd
* Author: Marc Zyngier <marc.zyngier@arm.com>
*
* Derived from arch/arm/include/asm/kvm_coproc.h
* Copyright (C) 2012 Rusty Russell IBM Corporation
*
* 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_COPROC_H__
#define __ARM64_KVM_COPROC_H__
#include <linux/kvm_host.h>
void kvm_reset_sys_regs(struct kvm_vcpu *vcpu);
struct kvm_sys_reg_table {
const struct sys_reg_desc *table;
size_t num;
};
struct kvm_sys_reg_target_table {
struct kvm_sys_reg_table table64;
arm64: KVM: 32bit handling of coprocessor traps Provide the necessary infrastructure to trap coprocessor accesses that occur when running 32bit guests. Also wire SMC and HVC trapped in 32bit mode while were at it. Reviewed-by: Christopher Covington <cov@codeaurora.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2013-02-07 10:32:33 +00:00
struct kvm_sys_reg_table table32;
arm64: KVM: system register handling Provide 64bit system register handling, modeled after the cp15 handling for ARM. Reviewed-by: Christopher Covington <cov@codeaurora.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2012-12-10 16:15:34 +00:00
};
void kvm_register_target_sys_reg_table(unsigned int target,
struct kvm_sys_reg_target_table *table);
arm64: KVM: 32bit handling of coprocessor traps Provide the necessary infrastructure to trap coprocessor accesses that occur when running 32bit guests. Also wire SMC and HVC trapped in 32bit mode while were at it. Reviewed-by: Christopher Covington <cov@codeaurora.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2013-02-07 10:32:33 +00:00
int kvm_handle_cp14_load_store(struct kvm_vcpu *vcpu, struct kvm_run *run);
arm64: KVM: common infrastructure for handling AArch32 CP14/CP15 As we're about to trap a bunch of CP14 registers, let's rework the CP15 handling so it can be generalized and work with multiple tables. Reviewed-by: Anup Patel <anup.patel@linaro.org> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2014-04-24 10:27:13 +01:00
int kvm_handle_cp14_32(struct kvm_vcpu *vcpu, struct kvm_run *run);
int kvm_handle_cp14_64(struct kvm_vcpu *vcpu, struct kvm_run *run);
arm64: KVM: 32bit handling of coprocessor traps Provide the necessary infrastructure to trap coprocessor accesses that occur when running 32bit guests. Also wire SMC and HVC trapped in 32bit mode while were at it. Reviewed-by: Christopher Covington <cov@codeaurora.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2013-02-07 10:32:33 +00:00
int kvm_handle_cp15_32(struct kvm_vcpu *vcpu, struct kvm_run *run);
int kvm_handle_cp15_64(struct kvm_vcpu *vcpu, struct kvm_run *run);
arm64: KVM: system register handling Provide 64bit system register handling, modeled after the cp15 handling for ARM. Reviewed-by: Christopher Covington <cov@codeaurora.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2012-12-10 16:15:34 +00:00
int kvm_handle_sys_reg(struct kvm_vcpu *vcpu, struct kvm_run *run);
#define kvm_coproc_table_init kvm_sys_reg_table_init
void kvm_sys_reg_table_init(void);
struct kvm_one_reg;
int kvm_arm_copy_sys_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices);
int kvm_arm_sys_reg_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *);
int kvm_arm_sys_reg_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *);
unsigned long kvm_arm_num_sys_reg_descs(struct kvm_vcpu *vcpu);
#endif /* __ARM64_KVM_COPROC_H__ */
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