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https://github.com/torvalds/linux
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62a89c4495
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>
57 lines
2 KiB
C
57 lines
2 KiB
C
/*
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* Copyright (C) 2012,2013 - ARM Ltd
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* Author: Marc Zyngier <marc.zyngier@arm.com>
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*
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* Derived from arch/arm/include/asm/kvm_coproc.h
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* Copyright (C) 2012 Rusty Russell IBM Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ARM64_KVM_COPROC_H__
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#define __ARM64_KVM_COPROC_H__
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#include <linux/kvm_host.h>
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void kvm_reset_sys_regs(struct kvm_vcpu *vcpu);
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struct kvm_sys_reg_table {
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const struct sys_reg_desc *table;
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size_t num;
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};
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struct kvm_sys_reg_target_table {
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struct kvm_sys_reg_table table64;
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struct kvm_sys_reg_table table32;
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};
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void kvm_register_target_sys_reg_table(unsigned int target,
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struct kvm_sys_reg_target_table *table);
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int kvm_handle_cp14_load_store(struct kvm_vcpu *vcpu, struct kvm_run *run);
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int kvm_handle_cp14_access(struct kvm_vcpu *vcpu, struct kvm_run *run);
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int kvm_handle_cp15_32(struct kvm_vcpu *vcpu, struct kvm_run *run);
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int kvm_handle_cp15_64(struct kvm_vcpu *vcpu, struct kvm_run *run);
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int kvm_handle_sys_reg(struct kvm_vcpu *vcpu, struct kvm_run *run);
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#define kvm_coproc_table_init kvm_sys_reg_table_init
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void kvm_sys_reg_table_init(void);
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struct kvm_one_reg;
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int kvm_arm_copy_sys_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices);
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int kvm_arm_sys_reg_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *);
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int kvm_arm_sys_reg_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *);
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unsigned long kvm_arm_num_sys_reg_descs(struct kvm_vcpu *vcpu);
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#endif /* __ARM64_KVM_COPROC_H__ */
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