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Diffstat (limited to 'arch/riscv/kvm/vcpu_timer.c')
-rw-r--r--arch/riscv/kvm/vcpu_timer.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/riscv/kvm/vcpu_timer.c b/arch/riscv/kvm/vcpu_timer.c
index 3ac2ff6a65da..75486b25ac45 100644
--- a/arch/riscv/kvm/vcpu_timer.c
+++ b/arch/riscv/kvm/vcpu_timer.c
@@ -170,7 +170,7 @@ int kvm_riscv_vcpu_get_reg_timer(struct kvm_vcpu *vcpu,
if (KVM_REG_SIZE(reg->id) != sizeof(u64))
return -EINVAL;
if (reg_num >= sizeof(struct kvm_riscv_timer) / sizeof(u64))
- return -EINVAL;
+ return -ENOENT;
switch (reg_num) {
case KVM_REG_RISCV_TIMER_REG(frequency):
@@ -187,7 +187,7 @@ int kvm_riscv_vcpu_get_reg_timer(struct kvm_vcpu *vcpu,
KVM_RISCV_TIMER_STATE_OFF;
break;
default:
- return -EINVAL;
+ return -ENOENT;
}
if (copy_to_user(uaddr, &reg_val, KVM_REG_SIZE(reg->id)))
@@ -211,14 +211,15 @@ int kvm_riscv_vcpu_set_reg_timer(struct kvm_vcpu *vcpu,
if (KVM_REG_SIZE(reg->id) != sizeof(u64))
return -EINVAL;
if (reg_num >= sizeof(struct kvm_riscv_timer) / sizeof(u64))
- return -EINVAL;
+ return -ENOENT;
if (copy_from_user(&reg_val, uaddr, KVM_REG_SIZE(reg->id)))
return -EFAULT;
switch (reg_num) {
case KVM_REG_RISCV_TIMER_REG(frequency):
- ret = -EOPNOTSUPP;
+ if (reg_val != riscv_timebase)
+ return -EINVAL;
break;
case KVM_REG_RISCV_TIMER_REG(time):
gt->time_delta = reg_val - get_cycles64();
@@ -233,7 +234,7 @@ int kvm_riscv_vcpu_set_reg_timer(struct kvm_vcpu *vcpu,
ret = kvm_riscv_vcpu_timer_cancel(t);
break;
default:
- ret = -EINVAL;
+ ret = -ENOENT;
break;
}