| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _ASM_X86_INTEL_PT_H |
| #define _ASM_X86_INTEL_PT_H |
| |
| #define PT_CPUID_LEAVES 2 |
| #define PT_CPUID_REGS_NUM 4 /* number of registers (eax, ebx, ecx, edx) */ |
| |
| enum pt_capabilities { |
| PT_CAP_max_subleaf = 0, |
| PT_CAP_cr3_filtering, |
| PT_CAP_psb_cyc, |
| PT_CAP_ip_filtering, |
| PT_CAP_mtc, |
| PT_CAP_ptwrite, |
| PT_CAP_power_event_trace, |
| PT_CAP_topa_output, |
| PT_CAP_topa_multiple_entries, |
| PT_CAP_single_range_output, |
| PT_CAP_output_subsys, |
| PT_CAP_payloads_lip, |
| PT_CAP_num_address_ranges, |
| PT_CAP_mtc_periods, |
| PT_CAP_cycle_thresholds, |
| PT_CAP_psb_periods, |
| }; |
| |
| #if defined(CONFIG_PERF_EVENTS) && defined(CONFIG_CPU_SUP_INTEL) |
| void cpu_emergency_stop_pt(void); |
| extern u32 intel_pt_validate_hw_cap(enum pt_capabilities cap); |
| extern u32 intel_pt_validate_cap(u32 *caps, enum pt_capabilities cap); |
| extern int is_intel_pt_event(struct perf_event *event); |
| #else |
| static inline void cpu_emergency_stop_pt(void) {} |
| static inline u32 intel_pt_validate_hw_cap(enum pt_capabilities cap) { return 0; } |
| static inline u32 intel_pt_validate_cap(u32 *caps, enum pt_capabilities capability) { return 0; } |
| static inline int is_intel_pt_event(struct perf_event *event) { return 0; } |
| #endif |
| |
| #endif /* _ASM_X86_INTEL_PT_H */ |
