blob: 7edeb5bfefe135fe5b3b08217250fc3d6e8d6f62 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/******************************************************************************
* event.h
*
* A nice interface for passing asynchronous events to guest OSes.
* (architecture-dependent part)
*
*/
#ifndef __ASM_EVENT_H__
#define __ASM_EVENT_H__
#include <xen/shared.h>
void vcpu_kick(struct vcpu *v);
void vcpu_mark_events_pending(struct vcpu *v);
static inline int vcpu_event_delivery_is_enabled(struct vcpu *v)
{
return !vcpu_info(v, evtchn_upcall_mask);
}
int hvm_local_events_need_delivery(struct vcpu *v);
static inline int local_events_need_delivery(void)
{
struct vcpu *v = current;
return (is_hvm_vcpu(v) ? hvm_local_events_need_delivery(v) :
(vcpu_info(v, evtchn_upcall_pending) &&
!vcpu_info(v, evtchn_upcall_mask)));
}
static inline void local_event_delivery_disable(void)
{
vcpu_info(current, evtchn_upcall_mask) = 1;
}
static inline void local_event_delivery_enable(void)
{
vcpu_info(current, evtchn_upcall_mask) = 0;
}
/* No arch specific virq definition now. Default to global. */
static inline int arch_virq_is_global(uint32_t virq)
{
return 1;
}
#endif
|