1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _XEN_SMP_H 3 4 #ifdef CONFIG_SMP 5 6 void asm_cpu_bringup_and_idle(void); 7 asmlinkage void cpu_bringup_and_idle(void); 8 9 extern void xen_send_IPI_mask(const struct cpumask *mask, 10 int vector); 11 extern void xen_send_IPI_mask_allbutself(const struct cpumask *mask, 12 int vector); 13 extern void xen_send_IPI_allbutself(int vector); 14 extern void xen_send_IPI_all(int vector); 15 extern void xen_send_IPI_self(int vector); 16 17 extern int xen_smp_intr_init(unsigned int cpu); 18 extern void xen_smp_intr_free(unsigned int cpu); 19 int xen_smp_intr_init_pv(unsigned int cpu); 20 void xen_smp_intr_free_pv(unsigned int cpu); 21 22 void xen_smp_cpus_done(unsigned int max_cpus); 23 24 void xen_smp_send_reschedule(int cpu); 25 void xen_smp_send_call_function_ipi(const struct cpumask *mask); 26 void xen_smp_send_call_function_single_ipi(int cpu); 27 28 void __noreturn xen_cpu_bringup_again(unsigned long stack); 29 30 struct xen_common_irq { 31 int irq; 32 char *name; 33 }; 34 #else /* CONFIG_SMP */ 35 36 static inline int xen_smp_intr_init(unsigned int cpu) 37 { 38 return 0; 39 } 40 static inline void xen_smp_intr_free(unsigned int cpu) {} 41 42 static inline int xen_smp_intr_init_pv(unsigned int cpu) 43 { 44 return 0; 45 } 46 static inline void xen_smp_intr_free_pv(unsigned int cpu) {} 47 #endif /* CONFIG_SMP */ 48 49 #endif 50