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| author | Maxim Levitsky <mlevitsk@redhat.com> | 2021-04-01 16:54:47 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-04-17 08:31:03 -0400 |
| commit | a43b80b782c9f56b3bcc2e5e51261dc3980839ec (patch) | |
| tree | d168fdc590a9701a7e756729f7ed44ff26f1c25c /arch/s390 | |
| parent | fa18aca927578f4ae2a01fd588e791d4ea5fe085 (diff) | |
| download | linux-a43b80b782c9f56b3bcc2e5e51261dc3980839ec.tar.bz2 | |
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: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20210401135451.1004564-6-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/include/asm/kvm_host.h | 4 | ||||
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 3 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index 0af3e032a49d..8925f3969478 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -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; diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 95ef9193f12e..1296fc10f80c 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -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)) |