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

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_ARM_XEN_EVENTS_H
   3 #define _ASM_ARM_XEN_EVENTS_H
   4
   5 #include <asm/ptrace.h>
   6 #include <asm/atomic.h>
   7
   8 enum ipi_vector {
   9         XEN_PLACEHOLDER_VECTOR,
  10
  11         /* Xen IPIs go here */
  12         XEN_NR_IPIS,
  13 };
  14
  15 static inline int xen_irqs_disabled(struct pt_regs *regs)
  16 {
  17         return raw_irqs_disabled_flags(regs->ARM_cpsr);
  18 }
  19
  20 #define xchg_xen_ulong(ptr, val) atomic64_xchg(container_of((long long*)(ptr),\
  21                                                             atomic64_t, \
  22                                                             counter), (val))
  23
  24 /* Rebind event channel is supported by default */
  25 static inline bool xen_support_evtchn_rebind(void)
  26 {
  27         return true;
  28 }
  29
  30 #endif /* _ASM_ARM_XEN_EVENTS_H */