| Message ID | 1453519184-11908-9-git-send-email-zhaoshenglong@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Sat, 23 Jan 2016, Shannon Zhao wrote: > From: Shannon Zhao <shannon.zhao@linaro.org> > > 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@linaro.org> Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> > 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 > >
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