[mirror_ubuntu-zesty-kernel.git] / arch / x86 / include / asm / xen / events.h

#ifndef _ASM_X86_XEN_EVENTS_H
#define _ASM_X86_XEN_EVENTS_H

enum ipi_vector {
	XEN_RESCHEDULE_VECTOR,
	XEN_CALL_FUNCTION_VECTOR,
	XEN_CALL_FUNCTION_SINGLE_VECTOR,
	XEN_SPIN_UNLOCK_VECTOR,
	XEN_IRQ_WORK_VECTOR,
	XEN_NMI_VECTOR,

	XEN_NR_IPIS,
};

static inline int xen_irqs_disabled(struct pt_regs *regs)
{
	return raw_irqs_disabled_flags(regs->flags);
}

/* No need for a barrier -- XCHG is a barrier on x86. */
#define xchg_xen_ulong(ptr, val) xchg((ptr), (val))

extern int xen_have_vector_callback;

/*
 * Events delivered via platform PCI interrupts are always
 * routed to vcpu 0 and hence cannot be rebound.
 */
static inline bool xen_support_evtchn_rebind(void)
{
	return (!xen_hvm_domain() || xen_have_vector_callback);
}

#endif /* _ASM_X86_XEN_EVENTS_H */
Commit	Line	Data
05e4d316 PA	1	#ifndef _ASM_X86_XEN_EVENTS_H
05e4d316 PA	2	#define _ASM_X86_XEN_EVENTS_H
e849c3e9 IY	3
	4	enum ipi_vector {
	5	XEN_RESCHEDULE_VECTOR,
	6	XEN_CALL_FUNCTION_VECTOR,
3b16cf87	7	XEN_CALL_FUNCTION_SINGLE_VECTOR,
2d9e1e2f	8	XEN_SPIN_UNLOCK_VECTOR,
1ff2b0c3	9	XEN_IRQ_WORK_VECTOR,
6efa20e4	10	XEN_NMI_VECTOR,
e849c3e9 IY	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
c81611c4 IC	20	/* No need for a barrier -- XCHG is a barrier on x86. */
	21	#define xchg_xen_ulong(ptr, val) xchg((ptr), (val))
	22
e2fe2dca BO	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
05e4d316	34	#endif /* _ASM_X86_XEN_EVENTS_H */