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34 lines
957 B
C
34 lines
957 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/**
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* Copyright (c) 2021 Western Digital Corporation or its affiliates.
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*
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* Authors:
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* Atish Patra <atish.patra@wdc.com>
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*/
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#ifndef __RISCV_KVM_VCPU_SBI_H__
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#define __RISCV_KVM_VCPU_SBI_H__
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#define KVM_SBI_IMPID 3
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#define KVM_SBI_VERSION_MAJOR 0
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#define KVM_SBI_VERSION_MINOR 2
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struct kvm_vcpu_sbi_extension {
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unsigned long extid_start;
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unsigned long extid_end;
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/**
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* SBI extension handler. It can be defined for a given extension or group of
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* extension. But it should always return linux error codes rather than SBI
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* specific error codes.
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*/
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int (*handler)(struct kvm_vcpu *vcpu, struct kvm_run *run,
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unsigned long *out_val, struct kvm_cpu_trap *utrap,
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bool *exit);
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};
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void kvm_riscv_vcpu_sbi_forward(struct kvm_vcpu *vcpu, struct kvm_run *run);
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const struct kvm_vcpu_sbi_extension *kvm_vcpu_sbi_find_ext(unsigned long extid);
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#endif /* __RISCV_KVM_VCPU_SBI_H__ */
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