diff options
Diffstat (limited to 'include/xen')
| -rw-r--r-- | include/xen/events.h | 7 | ||||
| -rw-r--r-- | include/xen/hvm.h | 6 | ||||
| -rw-r--r-- | include/xen/interface/features.h | 3 |
3 files changed, 16 insertions, 0 deletions
diff --git a/include/xen/events.h b/include/xen/events.h index e68d59a90ca..a15d93262e3 100644 --- a/include/xen/events.h +++ b/include/xen/events.h @@ -56,4 +56,11 @@ void xen_poll_irq(int irq); /* Determine the IRQ which is bound to an event channel */ unsigned irq_from_evtchn(unsigned int evtchn); +/* Xen HVM evtchn vector callback */ +extern void xen_hvm_callback_vector(void); +extern int xen_have_vector_callback; +int xen_set_callback_via(uint64_t via); +void xen_evtchn_do_upcall(struct pt_regs *regs); +void xen_hvm_evtchn_do_upcall(void); + #endif /* _XEN_EVENTS_H */ diff --git a/include/xen/hvm.h b/include/xen/hvm.h index 5dfe8fb86e6..b193fa2f9fd 100644 --- a/include/xen/hvm.h +++ b/include/xen/hvm.h @@ -3,6 +3,7 @@ #define XEN_HVM_H__ #include <xen/interface/hvm/params.h> +#include <asm/xen/hypercall.h> static inline int hvm_get_parameter(int idx, uint64_t *value) { @@ -21,4 +22,9 @@ static inline int hvm_get_parameter(int idx, uint64_t *value) return r; } +#define HVM_CALLBACK_VIA_TYPE_VECTOR 0x2 +#define HVM_CALLBACK_VIA_TYPE_SHIFT 56 +#define HVM_CALLBACK_VECTOR(x) (((uint64_t)HVM_CALLBACK_VIA_TYPE_VECTOR)<<\ + HVM_CALLBACK_VIA_TYPE_SHIFT | (x)) + #endif /* XEN_HVM_H__ */ diff --git a/include/xen/interface/features.h b/include/xen/interface/features.h index f51b6413b05..8ab08b91bf6 100644 --- a/include/xen/interface/features.h +++ b/include/xen/interface/features.h @@ -41,6 +41,9 @@ /* x86: Does this Xen host support the MMU_PT_UPDATE_PRESERVE_AD hypercall? */ #define XENFEAT_mmu_pt_update_preserve_ad 5 +/* x86: Does this Xen host support the HVM callback vector type? */ +#define XENFEAT_hvm_callback_vector 8 + #define XENFEAT_NR_SUBMAPS 1 #endif /* __XEN_PUBLIC_FEATURES_H__ */ |