1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef _ASM_ARM_XEN_EVENTS_H 3*4882a593Smuzhiyun #define _ASM_ARM_XEN_EVENTS_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <asm/ptrace.h> 6*4882a593Smuzhiyun #include <asm/atomic.h> 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun enum ipi_vector { 9*4882a593Smuzhiyun XEN_PLACEHOLDER_VECTOR, 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun /* Xen IPIs go here */ 12*4882a593Smuzhiyun XEN_NR_IPIS, 13*4882a593Smuzhiyun }; 14*4882a593Smuzhiyun xen_irqs_disabled(struct pt_regs * regs)15*4882a593Smuzhiyunstatic inline int xen_irqs_disabled(struct pt_regs *regs) 16*4882a593Smuzhiyun { 17*4882a593Smuzhiyun return raw_irqs_disabled_flags(regs->ARM_cpsr); 18*4882a593Smuzhiyun } 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #define xchg_xen_ulong(ptr, val) atomic64_xchg(container_of((long long*)(ptr),\ 21*4882a593Smuzhiyun atomic64_t, \ 22*4882a593Smuzhiyun counter), (val)) 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun /* Rebind event channel is supported by default */ xen_support_evtchn_rebind(void)25*4882a593Smuzhiyunstatic inline bool xen_support_evtchn_rebind(void) 26*4882a593Smuzhiyun { 27*4882a593Smuzhiyun return true; 28*4882a593Smuzhiyun } 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun #endif /* _ASM_ARM_XEN_EVENTS_H */ 31