1 #ifndef _ASM_X86_XEN_EVENTS_H 2 #define _ASM_X86_XEN_EVENTS_H 3 4 enum ipi_vector { 5 XEN_RESCHEDULE_VECTOR, 6 XEN_CALL_FUNCTION_VECTOR, 7 XEN_CALL_FUNCTION_SINGLE_VECTOR, 8 XEN_SPIN_UNLOCK_VECTOR, 9 XEN_IRQ_WORK_VECTOR, 10 XEN_NMI_VECTOR, 11 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->flags); 18 } 19 20 /* No need for a barrier -- XCHG is a barrier on x86. */ 21 #define xchg_xen_ulong(ptr, val) xchg((ptr), (val)) 22 23 extern int xen_have_vector_callback; 24 25 /* 26 * Events delivered via platform PCI interrupts are always 27 * routed to vcpu 0 and hence cannot be rebound. 28 */ 29 static inline bool xen_support_evtchn_rebind(void) 30 { 31 return (!xen_hvm_domain() || xen_have_vector_callback); 32 } 33 34 #endif /* _ASM_X86_XEN_EVENTS_H */ 35