1234567891011121314151617181920212223242526272829303132333435363738 |
- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _ASM_X86_XEN_EVENTS_H
- #define _ASM_X86_XEN_EVENTS_H
- #include <xen/xen.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 bool 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);
- }
- extern bool xen_percpu_upcall;
- #endif /* _ASM_X86_XEN_EVENTS_H */
|