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| author | Tony Krowiak <akrowiak@linux.ibm.com> | 2018-09-26 01:16:39 +0200 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2018-09-28 15:50:11 +0200 |
| commit | 37940fb0b6a2c4bf101481365c42f250694ffd15 (patch) | |
| tree | c15a6628a853bee80011324e72eb777e31a1480f /arch/s390/include/uapi | |
| parent | KVM: s390: vsie: allow guest FORMAT-0 CRYCB on host FORMAT-2 (diff) | |
| download | linux-37940fb0b6a2c4bf101481365c42f250694ffd15.tar.xz linux-37940fb0b6a2c4bf101481365c42f250694ffd15.zip | |
KVM: s390: device attrs to enable/disable AP interpretation
Introduces two new VM crypto device attributes (KVM_S390_VM_CRYPTO)
to enable or disable AP instruction interpretation from userspace
via the KVM_SET_DEVICE_ATTR ioctl:
* The KVM_S390_VM_CRYPTO_ENABLE_APIE attribute enables hardware
interpretation of AP instructions executed on the guest.
* The KVM_S390_VM_CRYPTO_DISABLE_APIE attribute disables hardware
interpretation of AP instructions executed on the guest. In this
case the instructions will be intercepted and pass through to
the guest.
Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20180925231641.4954-25-akrowiak@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/include/uapi')
| -rw-r--r-- | arch/s390/include/uapi/asm/kvm.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/include/uapi/asm/kvm.h b/arch/s390/include/uapi/asm/kvm.h index 9a50f02b9894..16511d97e8dc 100644 --- a/arch/s390/include/uapi/asm/kvm.h +++ b/arch/s390/include/uapi/asm/kvm.h @@ -160,6 +160,8 @@ struct kvm_s390_vm_cpu_subfunc { #define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1 #define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2 #define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3 +#define KVM_S390_VM_CRYPTO_ENABLE_APIE 4 +#define KVM_S390_VM_CRYPTO_DISABLE_APIE 5 /* kvm attributes for migration mode */ #define KVM_S390_VM_MIGRATION_STOP 0 |