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| author |   Dominik Dingel <dingel@linux.vnet.ibm.com> | 2013-09-30 10:55:33 +0200 |
|---|---|---|
| committer |   Christian Borntraeger <borntraeger@de.ibm.com> | 2014-01-30 13:11:05 +0100 |
| commit | 536336c21697551ceca44bdffb9f53e6cc5f2f20 (patch) | |
| tree | fd90db38f0b457deabad296b6999cc9b27d61634 /arch/s390/include/uapi/asm/kvm.h | |
| parent | KVM: async_pf: Async page fault support on s390 (diff) | |
| download | linux-dev-536336c21697551ceca44bdffb9f53e6cc5f2f20.tar.xz linux-dev-536336c21697551ceca44bdffb9f53e6cc5f2f20.zip | |
KVM: async_pf: Exploit one reg interface for pfault
To enable pfault after live migration we need to expose pfault_token,
pfault_select and pfault_compare, as one reg registers to userspace.
So that qemu is able to transfer this between the source and the target.
Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/include/uapi/asm/kvm.h')
| -rw-r--r-- | arch/s390/include/uapi/asm/kvm.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/include/uapi/asm/kvm.h b/arch/s390/include/uapi/asm/kvm.h index ccfd0b1d056d..cb4c1eb8a0a5 100644 --- a/arch/s390/include/uapi/asm/kvm.h +++ b/arch/s390/include/uapi/asm/kvm.h @@ -73,4 +73,7 @@ struct kvm_sync_regs { #define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2) #define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3) #define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4) +#define KVM_REG_S390_PFTOKEN (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5) +#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) #endif |