|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  | #ifndef __XEN_PMU_H | 
|  | #define __XEN_PMU_H | 
|  |  | 
|  | #include <xen/interface/xenpmu.h> | 
|  |  | 
|  | irqreturn_t xen_pmu_irq_handler(int irq, void *dev_id); | 
|  | #ifdef CONFIG_XEN_HAVE_VPMU | 
|  | void xen_pmu_init(int cpu); | 
|  | void xen_pmu_finish(int cpu); | 
|  | #else | 
|  | static inline void xen_pmu_init(int cpu) {} | 
|  | static inline void xen_pmu_finish(int cpu) {} | 
|  | #endif | 
|  | bool is_xen_pmu(int cpu); | 
|  | bool pmu_msr_read(unsigned int msr, uint64_t *val, int *err); | 
|  | bool pmu_msr_write(unsigned int msr, uint32_t low, uint32_t high, int *err); | 
|  | int pmu_apic_update(uint32_t reg); | 
|  | unsigned long long xen_read_pmc(int counter); | 
|  |  | 
|  | #endif /* __XEN_PMU_H */ |