arch/riscv/kvm/vcpu_sbi_forward.c

Source file repositories/reference/linux-study-clean/arch/riscv/kvm/vcpu_sbi_forward.c

File Facts

System
Linux kernel
Corpus path
arch/riscv/kvm/vcpu_sbi_forward.c
Extension
.c
Size
948 bytes
Lines
35
Domain
Architecture Layer
Bucket
arch/riscv
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2025 Ventana Micro Systems Inc.
 */

#include <linux/kvm_host.h>
#include <asm/kvm_vcpu_sbi.h>
#include <asm/sbi.h>

const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_experimental = {
	.extid_start = SBI_EXT_EXPERIMENTAL_START,
	.extid_end = SBI_EXT_EXPERIMENTAL_END,
	.handler = kvm_riscv_vcpu_sbi_forward_handler,
};

const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_vendor = {
	.extid_start = SBI_EXT_VENDOR_START,
	.extid_end = SBI_EXT_VENDOR_END,
	.handler = kvm_riscv_vcpu_sbi_forward_handler,
};

const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_dbcn = {
	.extid_start = SBI_EXT_DBCN,
	.extid_end = SBI_EXT_DBCN,
	.default_disabled = true,
	.handler = kvm_riscv_vcpu_sbi_forward_handler,
};

const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_mpxy = {
	.extid_start = SBI_EXT_MPXY,
	.extid_end = SBI_EXT_MPXY,
	.default_disabled = true,
	.handler = kvm_riscv_vcpu_sbi_forward_handler,
};

Annotation

Implementation Notes