On Sat, 23 Jan 2016, Shannon Zhao wrote:
> From: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
>
> Sync the changes of HVM_PARAM_CALLBACK_VIA ABI introduced by
> Xen commit <ca5c54b6ff05> (public/hvm: export the HVM_PARAM_CALLBACK_VIA
> ABI in the API).
>
> Signed-off-by: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> include/xen/interface/hvm/params.h | 27 +++++++++++++++++++++------
> 1 file changed, 21 insertions(+), 6 deletions(-)
>
> diff --git a/include/xen/interface/hvm/params.h b/include/xen/interface/hvm/params.h
> index a6c7991..70ad208 100644
> --- a/include/xen/interface/hvm/params.h
> +++ b/include/xen/interface/hvm/params.h
> @@ -27,16 +27,31 @@
> * Parameter space for HVMOP_{set,get}_param.
> */
>
> +#define HVM_PARAM_CALLBACK_IRQ 0
> /*
> * How should CPU0 event-channel notifications be delivered?
> - * val[63:56] == 0: val[55:0] is a delivery GSI (Global System Interrupt).
> - * val[63:56] == 1: val[55:0] is a delivery PCI INTx line, as follows:
> - * Domain = val[47:32], Bus = val[31:16],
> - * DevFn = val[15: 8], IntX = val[ 1: 0]
> - * val[63:56] == 2: val[7:0] is a vector number.
> + *
> * If val == 0 then CPU0 event-channel notifications are not delivered.
> + * If val != 0, val[63:56] encodes the type, as follows:
> + */
> +
> +#define HVM_PARAM_CALLBACK_TYPE_GSI 0
> +/*
> + * val[55:0] is a delivery GSI. GSI 0 cannot be used, as it aliases val == 0,
> + * and disables all notifications.
> + */
> +
> +#define HVM_PARAM_CALLBACK_TYPE_PCI_INTX 1
> +/*
> + * val[55:0] is a delivery PCI INTx line:
> + * Domain = val[47:32], Bus = val[31:16] DevFn = val[15:8], IntX = val[1:0]
> + */
> +
> +#define HVM_PARAM_CALLBACK_TYPE_VECTOR 2
> +/*
> + * val[7:0] is a vector number. Check for XENFEAT_hvm_callback_vector to know
> + * if this delivery method is available.
> */
> -#define HVM_PARAM_CALLBACK_IRQ 0
>
> #define HVM_PARAM_STORE_PFN 1
> #define HVM_PARAM_STORE_EVTCHN 2
> --
> 2.0.4
>
>
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