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Re: [Qemu-devel] [PATCH v2 1/7] s390/kvm: Support for I/O interrupts.


From: Avi Kivity
Subject: Re: [Qemu-devel] [PATCH v2 1/7] s390/kvm: Support for I/O interrupts.
Date: Wed, 05 Sep 2012 10:28:53 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:14.0) Gecko/20120717 Thunderbird/14.0

On 09/04/2012 06:13 PM, Cornelia Huck wrote:
> Add support for handling I/O interrupts (standard, subchannel-related
> ones and rudimentary adapter interrupts).
> 
> The subchannel-identifying parameters are encoded into the interrupt
> type.
> 
> I/O interrupts are floating, so they can't be injected on a specific
> vcpu.
> 
> diff --git a/include/linux/kvm.h b/include/linux/kvm.h
> index d808694..5a36e65 100644
> --- a/include/linux/kvm.h
> +++ b/include/linux/kvm.h
> @@ -396,6 +396,12 @@ struct kvm_s390_psw {
>  #define KVM_S390_INT_SERVICE         0xffff2401u
>  #define KVM_S390_INT_EMERGENCY               0xffff1201u
>  #define KVM_S390_INT_EXTERNAL_CALL   0xffff1202u
> +#define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
> +     (((schid)) |                           \
> +      ((ssid) << 16) |                      \
> +      ((cssid) << 18) |                     \
> +      ((ai) << 26))
> +
>  

Documentation?


-- 
error compiling committee.c: too many arguments to function



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