diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/riscv/kvm/vcpu.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/riscv/kvm/vcpu.c b/arch/riscv/kvm/vcpu.c index 312a8a926867..7c08567097f0 100644 --- a/arch/riscv/kvm/vcpu.c +++ b/arch/riscv/kvm/vcpu.c @@ -276,6 +276,15 @@ static int kvm_riscv_vcpu_get_reg_config(struct kvm_vcpu *vcpu, return -EINVAL; reg_val = riscv_cbom_block_size; break; + case KVM_REG_RISCV_CONFIG_REG(mvendorid): + reg_val = vcpu->arch.mvendorid; + break; + case KVM_REG_RISCV_CONFIG_REG(marchid): + reg_val = vcpu->arch.marchid; + break; + case KVM_REG_RISCV_CONFIG_REG(mimpid): + reg_val = vcpu->arch.mimpid; + break; default: return -EINVAL; } @@ -338,6 +347,24 @@ static int kvm_riscv_vcpu_set_reg_config(struct kvm_vcpu *vcpu, break; case KVM_REG_RISCV_CONFIG_REG(zicbom_block_size): return -EOPNOTSUPP; + case KVM_REG_RISCV_CONFIG_REG(mvendorid): + if (!vcpu->arch.ran_atleast_once) + vcpu->arch.mvendorid = reg_val; + else + return -EBUSY; + break; + case KVM_REG_RISCV_CONFIG_REG(marchid): + if (!vcpu->arch.ran_atleast_once) + vcpu->arch.marchid = reg_val; + else + return -EBUSY; + break; + case KVM_REG_RISCV_CONFIG_REG(mimpid): + if (!vcpu->arch.ran_atleast_once) + vcpu->arch.mimpid = reg_val; + else + return -EBUSY; + break; default: return -EINVAL; } |