projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 5f141548 BO |
1 | #ifndef __XEN_PUBLIC_XENPMU_H__ |
| 2 | #define __XEN_PUBLIC_XENPMU_H__ | |
| 3 | ||
| 4 | #include "xen.h" | |
| 5 | ||
| 6 | #define XENPMU_VER_MAJ 0 | |
| 7 | #define XENPMU_VER_MIN 1 | |
| 8 | ||
| 9 | /* | |
| 10 | * ` enum neg_errnoval | |
| 11 | * ` HYPERVISOR_xenpmu_op(enum xenpmu_op cmd, struct xenpmu_params *args); | |
| 12 | * | |
| 13 | * @cmd == XENPMU_* (PMU operation) | |
| 14 | * @args == struct xenpmu_params | |
| 15 | */ | |
| 16 | /* ` enum xenpmu_op { */ | |
| 17 | #define XENPMU_mode_get 0 /* Also used for getting PMU version */ | |
| 18 | #define XENPMU_mode_set 1 | |
| 19 | #define XENPMU_feature_get 2 | |
| 20 | #define XENPMU_feature_set 3 | |
| 21 | #define XENPMU_init 4 | |
| 22 | #define XENPMU_finish 5 | |
| 23 | ||
| 24 | /* ` } */ | |
| 25 | ||
| 26 | /* Parameters structure for HYPERVISOR_xenpmu_op call */ | |
| 27 | struct xen_pmu_params { | |
| 28 | /* IN/OUT parameters */ | |
| 29 | struct { | |
| 30 | uint32_t maj; | |
| 31 | uint32_t min; | |
| 32 | } version; | |
| 33 | uint64_t val; | |
| 34 | ||
| 35 | /* IN parameters */ | |
| 36 | uint32_t vcpu; | |
| 37 | uint32_t pad; | |
| 38 | }; | |
| 39 | ||
| 40 | /* PMU modes: | |
| 41 | * - XENPMU_MODE_OFF: No PMU virtualization | |
| 42 | * - XENPMU_MODE_SELF: Guests can profile themselves | |
| 43 | * - XENPMU_MODE_HV: Guests can profile themselves, dom0 profiles | |
| 44 | * itself and Xen | |
| 45 | * - XENPMU_MODE_ALL: Only dom0 has access to VPMU and it profiles | |
| 46 | * everyone: itself, the hypervisor and the guests. | |
| 47 | */ | |
| 48 | #define XENPMU_MODE_OFF 0 | |
| 49 | #define XENPMU_MODE_SELF (1<<0) | |
| 50 | #define XENPMU_MODE_HV (1<<1) | |
| 51 | #define XENPMU_MODE_ALL (1<<2) | |
| 52 | ||
| 53 | /* | |
| 54 | * PMU features: | |
| 55 | * - XENPMU_FEATURE_INTEL_BTS: Intel BTS support (ignored on AMD) | |
| 56 | */ | |
| 57 | #define XENPMU_FEATURE_INTEL_BTS 1 | |
| 58 | ||
| 59 | #endif /* __XEN_PUBLIC_XENPMU_H__ */ |