xref: /openbmc/linux/arch/arm/include/asm/xen/events.h (revision 74ce1896)
1 #ifndef _ASM_ARM_XEN_EVENTS_H
2 #define _ASM_ARM_XEN_EVENTS_H
3 
4 #include <asm/ptrace.h>
5 #include <asm/atomic.h>
6 
7 enum ipi_vector {
8 	XEN_PLACEHOLDER_VECTOR,
9 
10 	/* Xen IPIs go here */
11 	XEN_NR_IPIS,
12 };
13 
14 static inline int xen_irqs_disabled(struct pt_regs *regs)
15 {
16 	return raw_irqs_disabled_flags(regs->ARM_cpsr);
17 }
18 
19 #define xchg_xen_ulong(ptr, val) atomic64_xchg(container_of((long long*)(ptr),\
20 							    atomic64_t,	\
21 							    counter), (val))
22 
23 /* Rebind event channel is supported by default */
24 static inline bool xen_support_evtchn_rebind(void)
25 {
26 	return true;
27 }
28 
29 #endif /* _ASM_ARM_XEN_EVENTS_H */
30