39 lines
860 B
C
39 lines
860 B
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_X86_XEN_EVENTS_H
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#define _ASM_X86_XEN_EVENTS_H
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#include <xen/xen.h>
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enum ipi_vector {
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XEN_RESCHEDULE_VECTOR,
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XEN_CALL_FUNCTION_VECTOR,
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XEN_CALL_FUNCTION_SINGLE_VECTOR,
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XEN_SPIN_UNLOCK_VECTOR,
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XEN_IRQ_WORK_VECTOR,
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XEN_NMI_VECTOR,
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XEN_NR_IPIS,
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};
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static inline int xen_irqs_disabled(struct pt_regs *regs)
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{
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return raw_irqs_disabled_flags(regs->flags);
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}
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/* No need for a barrier -- XCHG is a barrier on x86. */
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#define xchg_xen_ulong(ptr, val) xchg((ptr), (val))
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extern bool xen_have_vector_callback;
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/*
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* Events delivered via platform PCI interrupts are always
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* routed to vcpu 0 and hence cannot be rebound.
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*/
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static inline bool xen_support_evtchn_rebind(void)
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{
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return (!xen_hvm_domain() || xen_have_vector_callback);
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}
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extern bool xen_percpu_upcall;
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#endif /* _ASM_X86_XEN_EVENTS_H */
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