Commit 8c516b25 authored by Claudio Imbrenda's avatar Claudio Imbrenda Committed by Janosch Frank
Browse files

KVM: s390: pv: add KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 



Add KVM_CAP_S390_PROTECTED_ASYNC_DISABLE to signal that the
KVM_PV_ASYNC_DISABLE and KVM_PV_ASYNC_DISABLE_PREPARE commands for the
KVM_S390_PV_COMMAND ioctl are available.

Signed-off-by: default avatarClaudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: default avatarNico Boehr <nrb@linux.ibm.com>
Reviewed-by: default avatarSteffen Eiden <seiden@linux.ibm.com>
Reviewed-by: default avatarJanosch Frank <frankja@linux.ibm.com>
Link: https://lore.kernel.org/r/20221111170632.77622-4-imbrenda@linux.ibm.com


Message-Id: <20221111170632.77622-4-imbrenda@linux.ibm.com>
Signed-off-by: default avatarJanosch Frank <frankja@linux.ibm.com>
parent d9459922

arch/s390/kvm/kvm-s390.c

+3 −0
Original line number Diff line number Diff line
@@ -618,6 +618,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) 
	case KVM_CAP_S390_BPB:

		r = test_facility(82);

		break;

	case KVM_CAP_S390_PROTECTED_ASYNC_DISABLE:

		r = async_destroy && is_prot_virt_host();

		break;

	case KVM_CAP_S390_PROTECTED:

		r = is_prot_virt_host();

		break;

include/uapi/linux/kvm.h

+1 −0
Original line number Diff line number Diff line
@@ -1178,6 +1178,7 @@ struct kvm_ppc_resize_hpt { 
#define KVM_CAP_S390_ZPCI_OP 221

#define KVM_CAP_S390_CPU_TOPOLOGY 222

#define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223

#define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224



#ifdef KVM_CAP_IRQ_ROUTING