On 10.10.2012, at 18:27, Marcelo Tosatti wrote:
> On Tue, Oct 02, 2012 at 04:25:37PM +0200, Christian Borntraeger wrote:
>> From: Cornelia Huck <cornelia.huck@xxxxxxxxxx>
>>
>> Signed-off-by: Cornelia Huck <cornelia.huck@xxxxxxxxxx>
>> Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
>> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
>> ---
>> Documentation/virtual/kvm/api.txt | 33 +++++++++++++++++++++++++++++++++
>> 1 file changed, 33 insertions(+)
>>
>> diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
>> index 36befa7..c533338 100644
>> --- a/Documentation/virtual/kvm/api.txt
>> +++ b/Documentation/virtual/kvm/api.txt
>> @@ -1984,6 +1984,39 @@ return the hash table order in the parameter. (If the guest is using
>> the virtualized real-mode area (VRMA) facility, the kernel will
>> re-create the VMRA HPTEs on the next KVM_RUN of any vcpu.)
>>
>> +4.77 KVM_S390_INTERRUPT
>> +
>> +Capability: basic
>> +Archtectures: s390
>
> typo.
>
>> +Type: vm ioctl, vcpu ioctl
>> +Parameters: struct kvm_s390_interrupt (in)
>> +Returns: 0 on success, -1 on error
>> +
>> +Allows to inject an interrupt to the guest. Interrupts can be floating
>> +(vm ioctl) or per cpu (vcpu ioctl), depending on the interrupt type.
>> +
>> +Interrupt parameters are passed via kvm_s390_interrupt:
>> +
>> +struct kvm_s390_interrupt {
>> + __u32 type;
>> + __u32 parm;
>> + __u64 parm64;
>> +};
>
> No need for a reserved area for extensibility?
This is documentation for an existing ioctl, no?
And yes, a reserved area would've been nice ;). But it's too late for that one now.
Alex
>
>> +
>> +type can be one of the following:
>> +
>> +KVM_S390_SIGP_STOP (vcpu) - sigp restart
>> +KVM_S390_PROGRAM_INT (vcpu) - program check; code in parm
>> +KVM_S390_SIGP_SET_PREFIX (vcpu) - sigp set prefix; prefix address in parm
>> +KVM_S390_RESTART (vcpu) - restart
>> +KVM_S390_INT_VIRTIO (vm) - virtio external interrupt; external interrupt
>> + parameters in parm and parm64
>> +KVM_S390_INT_SERVICE (vm) - sclp external interrupt; sclp parameter in parm
>> +KVM_S390_INT_EMERGENCY (vcpu) - sigp emergency; source cpu in parm
>> +KVM_S390_INT_EXTERNAL_CALL (vcpu) - sigp external call; source cpu in parm
>> +
>> +Note that the vcpu ioctl is asynchronous to vpcu execution.
>
> typo
>
>
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