| #ifndef _IPXE_XENEVENT_H |
| #define _IPXE_XENEVENT_H |
| |
| /** @file |
| * |
| * Xen events |
| * |
| */ |
| |
| FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); |
| FILE_SECBOOT ( PERMITTED ); |
| |
| #include <ipxe/xen.h> |
| #include <xen/event_channel.h> |
| |
| /** |
| * Close event channel |
| * |
| * @v xen Xen hypervisor |
| * @v close Event descriptor |
| * @ret xenrc Xen status code |
| */ |
| static inline __attribute__ (( always_inline )) int |
| xenevent_close ( struct xen_hypervisor *xen, struct evtchn_close *close ) { |
| |
| return xen_hypercall_2 ( xen, __HYPERVISOR_event_channel_op, |
| EVTCHNOP_close, virt_to_phys ( close ) ); |
| } |
| |
| /** |
| * Send event |
| * |
| * @v xen Xen hypervisor |
| * @v send Event descriptor |
| * @ret xenrc Xen status code |
| */ |
| static inline __attribute__ (( always_inline )) int |
| xenevent_send ( struct xen_hypervisor *xen, struct evtchn_send *send ) { |
| |
| return xen_hypercall_2 ( xen, __HYPERVISOR_event_channel_op, |
| EVTCHNOP_send, virt_to_phys ( send ) ); |
| } |
| |
| /** |
| * Allocate an unbound event channel |
| * |
| * @v xen Xen hypervisor |
| * @v alloc_unbound Event descriptor |
| * @ret xenrc Xen status code |
| */ |
| static inline __attribute__ (( always_inline )) int |
| xenevent_alloc_unbound ( struct xen_hypervisor *xen, |
| struct evtchn_alloc_unbound *alloc_unbound ) { |
| |
| return xen_hypercall_2 ( xen, __HYPERVISOR_event_channel_op, |
| EVTCHNOP_alloc_unbound, |
| virt_to_phys ( alloc_unbound ) ); |
| } |
| |
| #endif /* _IPXE_XENEVENT_H */ |
