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-rw-r--r--arch/arm/include/asm/xen/events.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/include/asm/xen/events.h b/arch/arm/include/asm/xen/events.h
new file mode 100644
index 000000000..c83086f74
--- /dev/null
+++ b/arch/arm/include/asm/xen/events.h
@@ -0,0 +1,30 @@
+/* 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 */