Commit a43b80b7 authored by Maxim Levitsky's avatar Maxim Levitsky Committed by Paolo Bonzini
Browse files

KVM: s390x: implement KVM_CAP_SET_GUEST_DEBUG2 



Define KVM_GUESTDBG_VALID_MASK and use it to implement this capabiity.
Compile tested only.

Signed-off-by: default avatarMaxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20210401135451.1004564-6-mlevitsk@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent fa18aca9

arch/s390/include/asm/kvm_host.h

+4 −0
Original line number Diff line number Diff line
@@ -701,6 +701,10 @@ struct kvm_hw_bp_info_arch { 
#define guestdbg_exit_pending(vcpu) (guestdbg_enabled(vcpu) && \

		(vcpu->guest_debug & KVM_GUESTDBG_EXIT_PENDING))



#define KVM_GUESTDBG_VALID_MASK \

		(KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_SINGLESTEP |\

		KVM_GUESTDBG_USE_HW_BP | KVM_GUESTDBG_EXIT_PENDING)



struct kvm_guestdbg_info_arch {

	unsigned long cr0;

	unsigned long cr9;

arch/s390/kvm/kvm-s390.c

+3 −0
Original line number Diff line number Diff line
@@ -550,6 +550,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) 
	case KVM_CAP_S390_DIAG318:

		r = 1;

		break;

	case KVM_CAP_SET_GUEST_DEBUG2:

		r = KVM_GUESTDBG_VALID_MASK;

		break;

	case KVM_CAP_S390_HPAGE_1M:

		r = 0;

		if (hpage && !kvm_is_ucontrol(kvm))