arch/arm/include/asm/xen/events.h

   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 */