[PATCH v4 20/21] KVM: arm64: Export SDEI capability

Gavin Shan
2021-08-15T00:17:01Z

The SDEI functionality is ready to be exported so far. This adds
new capability (KVM_CAP_ARM_SDEI) and exports it.

Signed-off-by: Gavin Shan <gshan@redhat.com>
---
arch/arm64/kvm/arm.c | 3 +++
include/uapi/linux/kvm.h | 1 +
2 files changed, 4 insertions(+)

diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index 215cdbeb272a..7d9bbc888ae5 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -278,6 +278,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_ARM_PTRAUTH_GENERIC:
r = system_has_full_ptr_auth();
break;
+ case KVM_CAP_ARM_SDEI:
+ r = 1;
+ break;
default:
r = 0;
}
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index 8cf41fd4bf86..2aa748fd89c7 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -1112,6 +1112,7 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_BINARY_STATS_FD 203
#define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
#define KVM_CAP_ARM_MTE 205
+#define KVM_CAP_ARM_SDEI 206

#ifdef KVM_CAP_IRQ_ROUTING

--
2.23.0