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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/riscv/include/asm/kvm_vcpu_sbi.h | |
| parent | Initial commit. (diff) | |
| download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip | |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/riscv/include/asm/kvm_vcpu_sbi.h')
| -rw-r--r-- | arch/riscv/include/asm/kvm_vcpu_sbi.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/kvm_vcpu_sbi.h b/arch/riscv/include/asm/kvm_vcpu_sbi.h new file mode 100644 index 000000000..d4e3e600b --- /dev/null +++ b/arch/riscv/include/asm/kvm_vcpu_sbi.h @@ -0,0 +1,48 @@ +/* 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 1 +#define KVM_SBI_VERSION_MINOR 0 + +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); + +#ifdef CONFIG_RISCV_SBI_V01 +extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_v01; +#endif +extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_base; +extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_time; +extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_ipi; +extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_rfence; +extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_srst; +extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_hsm; +extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_experimental; +extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_vendor; + +#endif /* __RISCV_KVM_VCPU_SBI_H__ */ |