diff options
Diffstat (limited to 'arch/arm/include/asm/xen/events.h')
-rw-r--r-- | arch/arm/include/asm/xen/events.h | 30 |
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 0000000000..c83086f745 --- /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 */ |