cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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kvm_vcpu_sbi.h (1078B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/**
      3 * Copyright (c) 2021 Western Digital Corporation or its affiliates.
      4 *
      5 * Authors:
      6 *     Atish Patra <atish.patra@wdc.com>
      7 */
      8
      9#ifndef __RISCV_KVM_VCPU_SBI_H__
     10#define __RISCV_KVM_VCPU_SBI_H__
     11
     12#define KVM_SBI_IMPID 3
     13
     14#define KVM_SBI_VERSION_MAJOR 0
     15#define KVM_SBI_VERSION_MINOR 3
     16
     17struct kvm_vcpu_sbi_extension {
     18	unsigned long extid_start;
     19	unsigned long extid_end;
     20	/**
     21	 * SBI extension handler. It can be defined for a given extension or group of
     22	 * extension. But it should always return linux error codes rather than SBI
     23	 * specific error codes.
     24	 */
     25	int (*handler)(struct kvm_vcpu *vcpu, struct kvm_run *run,
     26		       unsigned long *out_val, struct kvm_cpu_trap *utrap,
     27		       bool *exit);
     28};
     29
     30void kvm_riscv_vcpu_sbi_forward(struct kvm_vcpu *vcpu, struct kvm_run *run);
     31void kvm_riscv_vcpu_sbi_system_reset(struct kvm_vcpu *vcpu,
     32				     struct kvm_run *run,
     33				     u32 type, u64 flags);
     34const struct kvm_vcpu_sbi_extension *kvm_vcpu_sbi_find_ext(unsigned long extid);
     35
     36#endif /* __RISCV_KVM_VCPU_SBI_H__ */