#ifndef __XEN_PUBLIC_XENPMU_H__ #define __XEN_PUBLIC_XENPMU_H__ #include "xen.h" #define XENPMU_VER_MAJ 0 #define XENPMU_VER_MIN 1 /* * ` enum neg_errnoval * ` HYPERVISOR_xenpmu_op(enum xenpmu_op cmd, struct xenpmu_params *args); * * @cmd == XENPMU_* (PMU operation) * @args == struct xenpmu_params */ /* ` enum xenpmu_op { */ #define XENPMU_mode_get 0 /* Also used for getting PMU version */ #define XENPMU_mode_set 1 #define XENPMU_feature_get 2 #define XENPMU_feature_set 3 #define XENPMU_init 4 #define XENPMU_finish 5 #define XENPMU_lvtpc_set 6 #define XENPMU_flush 7 /* ` } */ /* Parameters structure for HYPERVISOR_xenpmu_op call */ struct xen_pmu_params { /* IN/OUT parameters */ struct { uint32_t maj; uint32_t min; } version; uint64_t val; /* IN parameters */ uint32_t vcpu; uint32_t pad; }; /* PMU modes: * - XENPMU_MODE_OFF: No PMU virtualization * - XENPMU_MODE_SELF: Guests can profile themselves * - XENPMU_MODE_HV: Guests can profile themselves, dom0 profiles * itself and Xen * - XENPMU_MODE_ALL: Only dom0 has access to VPMU and it profiles * everyone: itself, the hypervisor and the guests. */ #define XENPMU_MODE_OFF 0 #define XENPMU_MODE_SELF (1<<0) #define XENPMU_MODE_HV (1<<1) #define XENPMU_MODE_ALL (1<<2) /* * PMU features: * - XENPMU_FEATURE_INTEL_BTS: Intel BTS support (ignored on AMD) */ #define XENPMU_FEATURE_INTEL_BTS 1 /* * Shared PMU data between hypervisor and PV(H) domains. * * The hypervisor fills out this structure during PMU interrupt and sends an * interrupt to appropriate VCPU. * Architecture-independent fields of xen_pmu_data are WO for the hypervisor * and RO for the guest but some fields in xen_pmu_arch can be writable * by both the hypervisor and the guest (see arch-$arch/pmu.h). */ struct xen_pmu_data { /* Interrupted VCPU */ uint32_t vcpu_id; /* * Physical processor on which the interrupt occurred. On non-privileged * guests set to vcpu_id; */ uint32_t pcpu_id; /* * Domain that was interrupted. On non-privileged guests set to * DOMID_SELF. * On privileged guests can be DOMID_SELF, DOMID_XEN, or, when in * XENPMU_MODE_ALL mode, domain ID of another domain. */ domid_t domain_id; uint8_t pad[6]; /* Architecture-specific information */ struct xen_pmu_arch pmu; }; #endif /* __XEN_PUBLIC_XENPMU_H__ */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Boris Ostrovsky | 135 | 100.00% | 3 | 100.00% |
| Total | 135 | 100.00% | 3 | 100.00% |