diff options
| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-02-10 15:39:23 +0100 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-03-04 10:41:01 +0100 |
| commit | afa45ff521130cee79a50b565693388be8c8c9c2 (patch) | |
| tree | 0e445ab6a4d8eecc0c78d422143ff9dddef19e34 /arch | |
| parent | 672550fb682e9935e1a318bf4ac3f611a057dee1 (diff) | |
KVM: s390: expose gbea register to userspace
For migration/reset we want to expose the guest breaking event
address register to userspace. Lets use ONE_REG for that purpose.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Jason J. Herne <jjherne@linux.vnet.ibm.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/include/uapi/asm/kvm.h | 1 | ||||
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/arch/s390/include/uapi/asm/kvm.h b/arch/s390/include/uapi/asm/kvm.h index 766324476f12..2f0ade24f96a 100644 --- a/arch/s390/include/uapi/asm/kvm.h +++ b/arch/s390/include/uapi/asm/kvm.h @@ -77,4 +77,5 @@ struct kvm_sync_regs { #define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6) #define KVM_REG_S390_PFSELECT (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7) #define KVM_REG_S390_PP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8) +#define KVM_REG_S390_GBEA (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9) #endif diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 0262936e18be..a3e4c07ec3a5 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -576,6 +576,10 @@ static int kvm_arch_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, r = put_user(vcpu->arch.sie_block->pp, (u64 __user *)reg->addr); break; + case KVM_REG_S390_GBEA: + r = put_user(vcpu->arch.sie_block->gbea, + (u64 __user *)reg->addr); + break; default: break; } @@ -621,6 +625,10 @@ static int kvm_arch_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, r = get_user(vcpu->arch.sie_block->pp, (u64 __user *)reg->addr); break; + case KVM_REG_S390_GBEA: + r = get_user(vcpu->arch.sie_block->gbea, + (u64 __user *)reg->addr); + break; default: break; } |