[mirror_ubuntu-focal-kernel.git] / arch / arm / include / asm / xen / events.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_ARM_XEN_EVENTS_H
#define _ASM_ARM_XEN_EVENTS_H

#include <asm/ptrace.h>
#include <asm/atomic.h>

enum ipi_vector {
	XEN_PLACEHOLDER_VECTOR,

	/* Xen IPIs go here */
	XEN_NR_IPIS,
};

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

#define xchg_xen_ulong(ptr, val) atomic64_xchg(container_of((long long*)(ptr),\
							    atomic64_t,	\
							    counter), (val))

/* Rebind event channel is supported by default */
static inline bool xen_support_evtchn_rebind(void)
{
	return true;
}

#endif /* _ASM_ARM_XEN_EVENTS_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
0ec53ecf SS	2	#ifndef _ASM_ARM_XEN_EVENTS_H
	3	#define _ASM_ARM_XEN_EVENTS_H
	4
	5	#include <asm/ptrace.h>
85323a99	6	#include <asm/atomic.h>
0ec53ecf SS	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
9cc91f21	20	#define xchg_xen_ulong(ptr, val) atomic64_xchg(container_of((long long*)(ptr),\
85323a99 IC	21	atomic64_t, \
85323a99 IC	22	counter), (val))
c81611c4	23
4a5b6946 JG	24	/* Rebind event channel is supported by default */
	25	static inline bool xen_support_evtchn_rebind(void)
	26	{
	27	return true;
	28	}
	29
0ec53ecf	30	#endif /* _ASM_ARM_XEN_EVENTS_H */