Cregit: events.h

Contributors: 9
Author	Tokens	Token Proportion	Commits	Commit Proportion
Isaku Yamahata	36	44.44%	1	11.11%
Boris Ostrovsky	23	28.40%	1	11.11%
Ian Campbell	10	12.35%	1	11.11%
H. Peter Anvin	3	3.70%	1	11.11%
Jeremy Fitzhardinge	2	2.47%	1	11.11%
Jens Axboe	2	2.47%	1	11.11%
Lin Ming	2	2.47%	1	11.11%
Konrad Rzeszutek Wilk	2	2.47%	1	11.11%
Greg Kroah-Hartman	1	1.23%	1	11.11%
Total	81		9

/* SPDX-License-Identifier: GPL-2.0 */
#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 */