From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- arch/x86/include/asm/xen/events.h | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 arch/x86/include/asm/xen/events.h (limited to 'arch/x86/include/asm/xen/events.h') diff --git a/arch/x86/include/asm/xen/events.h b/arch/x86/include/asm/xen/events.h new file mode 100644 index 000000000..068d9b067 --- /dev/null +++ b/arch/x86/include/asm/xen/events.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_X86_XEN_EVENTS_H +#define _ASM_X86_XEN_EVENTS_H + +#include + +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 */ -- cgit v1.2.3