linux/arch/riscv/include/asm/kvm_vcpu_sbi.h
Anup Patel 4b11d86571 RISC-V: KVM: Add common kvm_riscv_vcpu_sbi_system_reset() function
We rename kvm_sbi_system_shutdown() to kvm_riscv_vcpu_sbi_system_reset()
and move it to vcpu_sbi.c so that it can be shared by SBI v0.1 shutdown
and SBI v0.3 SRST extension.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
2022-03-11 19:02:29 +05:30

37 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/**
* Copyright (c) 2021 Western Digital Corporation or its affiliates.
*
* Authors:
* Atish Patra <atish.patra@wdc.com>
*/
#ifndef __RISCV_KVM_VCPU_SBI_H__
#define __RISCV_KVM_VCPU_SBI_H__
#define KVM_SBI_IMPID 3
#define KVM_SBI_VERSION_MAJOR 0
#define KVM_SBI_VERSION_MINOR 3
struct kvm_vcpu_sbi_extension {
unsigned long extid_start;
unsigned long extid_end;
/**
* SBI extension handler. It can be defined for a given extension or group of
* extension. But it should always return linux error codes rather than SBI
* specific error codes.
*/
int (*handler)(struct kvm_vcpu *vcpu, struct kvm_run *run,
unsigned long *out_val, struct kvm_cpu_trap *utrap,
bool *exit);
};
void kvm_riscv_vcpu_sbi_forward(struct kvm_vcpu *vcpu, struct kvm_run *run);
void kvm_riscv_vcpu_sbi_system_reset(struct kvm_vcpu *vcpu,
struct kvm_run *run,
u32 type, u64 flags);
const struct kvm_vcpu_sbi_extension *kvm_vcpu_sbi_find_ext(unsigned long extid);
#endif /* __RISCV_KVM_VCPU_SBI_H__ */