LXR linux/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
   8enum ipi_vector {
   9        XEN_PLACEHOLDER_VECTOR,
  10
  11        /* Xen IPIs go here */
  12        XEN_NR_IPIS,
  13};
  14
  15static 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 */
  25static inline bool xen_support_evtchn_rebind(void)
  26{
  27        return true;
  28}
  29
  30#endif /* _ASM_ARM_XEN_EVENTS_H */
  31