162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef _ASM_X86_INTEL_PT_H 362306a36Sopenharmony_ci#define _ASM_X86_INTEL_PT_H 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#define PT_CPUID_LEAVES 2 662306a36Sopenharmony_ci#define PT_CPUID_REGS_NUM 4 /* number of registers (eax, ebx, ecx, edx) */ 762306a36Sopenharmony_ci 862306a36Sopenharmony_cienum pt_capabilities { 962306a36Sopenharmony_ci PT_CAP_max_subleaf = 0, 1062306a36Sopenharmony_ci PT_CAP_cr3_filtering, 1162306a36Sopenharmony_ci PT_CAP_psb_cyc, 1262306a36Sopenharmony_ci PT_CAP_ip_filtering, 1362306a36Sopenharmony_ci PT_CAP_mtc, 1462306a36Sopenharmony_ci PT_CAP_ptwrite, 1562306a36Sopenharmony_ci PT_CAP_power_event_trace, 1662306a36Sopenharmony_ci PT_CAP_event_trace, 1762306a36Sopenharmony_ci PT_CAP_tnt_disable, 1862306a36Sopenharmony_ci PT_CAP_topa_output, 1962306a36Sopenharmony_ci PT_CAP_topa_multiple_entries, 2062306a36Sopenharmony_ci PT_CAP_single_range_output, 2162306a36Sopenharmony_ci PT_CAP_output_subsys, 2262306a36Sopenharmony_ci PT_CAP_payloads_lip, 2362306a36Sopenharmony_ci PT_CAP_num_address_ranges, 2462306a36Sopenharmony_ci PT_CAP_mtc_periods, 2562306a36Sopenharmony_ci PT_CAP_cycle_thresholds, 2662306a36Sopenharmony_ci PT_CAP_psb_periods, 2762306a36Sopenharmony_ci}; 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_ci#if defined(CONFIG_PERF_EVENTS) && defined(CONFIG_CPU_SUP_INTEL) 3062306a36Sopenharmony_civoid cpu_emergency_stop_pt(void); 3162306a36Sopenharmony_ciextern u32 intel_pt_validate_hw_cap(enum pt_capabilities cap); 3262306a36Sopenharmony_ciextern u32 intel_pt_validate_cap(u32 *caps, enum pt_capabilities cap); 3362306a36Sopenharmony_ciextern int is_intel_pt_event(struct perf_event *event); 3462306a36Sopenharmony_ci#else 3562306a36Sopenharmony_cistatic inline void cpu_emergency_stop_pt(void) {} 3662306a36Sopenharmony_cistatic inline u32 intel_pt_validate_hw_cap(enum pt_capabilities cap) { return 0; } 3762306a36Sopenharmony_cistatic inline u32 intel_pt_validate_cap(u32 *caps, enum pt_capabilities capability) { return 0; } 3862306a36Sopenharmony_cistatic inline int is_intel_pt_event(struct perf_event *event) { return 0; } 3962306a36Sopenharmony_ci#endif 4062306a36Sopenharmony_ci 4162306a36Sopenharmony_ci#endif /* _ASM_X86_INTEL_PT_H */ 42