Wire up a new HC for TMEM, not doing much at the moment besides not doing
anything.
Signed-off-by: Sasha Levin <levinsasha928@xxxxxxxxx>
---
arch/x86/kvm/x86.c | 10 ++++++++++
include/linux/kvm_para.h | 1 +
2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 675dfb8..4c5b6ab 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4993,6 +4993,13 @@ int kvm_hv_hypercall(struct kvm_vcpu *vcpu)
return 1;
}
+static int kvm_pv_tmem_op(struct kvm_vcpu *vcpu, gpa_t addr, unsigned long *ret)
+{
+ *ret = -ENOTSUPP;
+
+ return 0;
+}
+
static inline gpa_t hc_gpa(struct kvm_vcpu *vcpu, unsigned long a0,
unsigned long a1)
{
@@ -5035,6 +5042,9 @@ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu)
case KVM_HC_VAPIC_POLL_IRQ:
ret = 0;
break;
+ case KVM_HC_TMEM:
+ r = kvm_pv_tmem_op(vcpu, hc_gpa(vcpu, a0, a1), &ret);
+ break;
default:
ret = -KVM_ENOSYS;
break;
diff --git a/include/linux/kvm_para.h b/include/linux/kvm_para.h
index ff476dd..78b27bf 100644
--- a/include/linux/kvm_para.h
+++ b/include/linux/kvm_para.h
@@ -19,6 +19,7 @@
#define KVM_HC_MMU_OP 2
#define KVM_HC_FEATURES 3
#define KVM_HC_PPC_MAP_MAGIC_PAGE 4
+#define KVM_HC_TMEM 5
/*
* hypercalls use architecture specific
--
1.7.8.6
--
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