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| author |   Cornelia Huck <cornelia.huck@de.ibm.com> | 2013-07-15 13:36:01 +0200 |
|---|---|---|
| committer | Cornelia Huck <cornelia.huck@de.ibm.com> | 2014-03-21 13:42:49 +0100 |
| commit | 841b91c584b6d1e2a2cb508bd2d0236cd37e1750 (patch) | |
| tree | 0a2f1b2cfa471cefa22bc9c12628361ed2c0ac4c /arch/s390/include/uapi | |
| parent | KVM: Add per-vm capability enablement. (diff) | |
| download | linux-dev-841b91c584b6d1e2a2cb508bd2d0236cd37e1750.tar.xz linux-dev-841b91c584b6d1e2a2cb508bd2d0236cd37e1750.zip | |
KVM: s390: adapter interrupt sources
Add a new interface to register/deregister sources of adapter interrupts
identified by an unique id via the flic. Adapters may also be maskable
and carry a list of pinned pages.
These adapters will be used by irq routing later.
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'arch/s390/include/uapi')
| -rw-r--r-- | arch/s390/include/uapi/asm/kvm.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/s390/include/uapi/asm/kvm.h b/arch/s390/include/uapi/asm/kvm.h index 2f0ade24f96a..c003c6a73b1e 100644 --- a/arch/s390/include/uapi/asm/kvm.h +++ b/arch/s390/include/uapi/asm/kvm.h @@ -22,6 +22,8 @@ #define KVM_DEV_FLIC_CLEAR_IRQS 3 #define KVM_DEV_FLIC_APF_ENABLE 4 #define KVM_DEV_FLIC_APF_DISABLE_WAIT 5 +#define KVM_DEV_FLIC_ADAPTER_REGISTER 6 +#define KVM_DEV_FLIC_ADAPTER_MODIFY 7 /* * We can have up to 4*64k pending subchannels + 8 adapter interrupts, * as well as up to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts. @@ -32,6 +34,26 @@ #define KVM_S390_MAX_FLOAT_IRQS 266250 #define KVM_S390_FLIC_MAX_BUFFER 0x2000000 +struct kvm_s390_io_adapter { + __u32 id; + __u8 isc; + __u8 maskable; + __u8 swap; + __u8 pad; +}; + +#define KVM_S390_IO_ADAPTER_MASK 1 +#define KVM_S390_IO_ADAPTER_MAP 2 +#define KVM_S390_IO_ADAPTER_UNMAP 3 + +struct kvm_s390_io_adapter_req { + __u32 id; + __u8 type; + __u8 mask; + __u16 pad0; + __u64 addr; +}; + /* for KVM_GET_REGS and KVM_SET_REGS */ struct kvm_regs { /* general purpose regs for s390 */ |