From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- arch/x86/xen/smp.h | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 arch/x86/xen/smp.h (limited to 'arch/x86/xen/smp.h') diff --git a/arch/x86/xen/smp.h b/arch/x86/xen/smp.h new file mode 100644 index 0000000000..c20cbb14c8 --- /dev/null +++ b/arch/x86/xen/smp.h @@ -0,0 +1,49 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _XEN_SMP_H + +#ifdef CONFIG_SMP + +void asm_cpu_bringup_and_idle(void); +asmlinkage void cpu_bringup_and_idle(void); + +extern void xen_send_IPI_mask(const struct cpumask *mask, + int vector); +extern void xen_send_IPI_mask_allbutself(const struct cpumask *mask, + int vector); +extern void xen_send_IPI_allbutself(int vector); +extern void xen_send_IPI_all(int vector); +extern void xen_send_IPI_self(int vector); + +extern int xen_smp_intr_init(unsigned int cpu); +extern void xen_smp_intr_free(unsigned int cpu); +int xen_smp_intr_init_pv(unsigned int cpu); +void xen_smp_intr_free_pv(unsigned int cpu); + +void xen_smp_cpus_done(unsigned int max_cpus); + +void xen_smp_send_reschedule(int cpu); +void xen_smp_send_call_function_ipi(const struct cpumask *mask); +void xen_smp_send_call_function_single_ipi(int cpu); + +void __noreturn xen_cpu_bringup_again(unsigned long stack); + +struct xen_common_irq { + int irq; + char *name; +}; +#else /* CONFIG_SMP */ + +static inline int xen_smp_intr_init(unsigned int cpu) +{ + return 0; +} +static inline void xen_smp_intr_free(unsigned int cpu) {} + +static inline int xen_smp_intr_init_pv(unsigned int cpu) +{ + return 0; +} +static inline void xen_smp_intr_free_pv(unsigned int cpu) {} +#endif /* CONFIG_SMP */ + +#endif -- cgit v1.2.3