6b08cd6328
Provide interfaces for recognizing accesses to PMU-related MSRs and LVTPC APIC and process these accesses in Xen PMU code. (The interrupt handler performs XENPMU_flush right away in the beginning since no PMU emulation is available. It will be added with a later patch). Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Reviewed-by: David Vrabel <david.vrabel@citrix.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
16 lines
462 B
C
16 lines
462 B
C
#ifndef __XEN_PMU_H
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#define __XEN_PMU_H
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#include <xen/interface/xenpmu.h>
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irqreturn_t xen_pmu_irq_handler(int irq, void *dev_id);
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void xen_pmu_init(int cpu);
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void xen_pmu_finish(int cpu);
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bool is_xen_pmu(int cpu);
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bool pmu_msr_read(unsigned int msr, uint64_t *val, int *err);
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bool pmu_msr_write(unsigned int msr, uint32_t low, uint32_t high, int *err);
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int pmu_apic_update(uint32_t reg);
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unsigned long long xen_read_pmc(int counter);
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#endif /* __XEN_PMU_H */
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