/* Simple wrappers around HVM functions */ #ifndef XEN_HVM_H__ #define XEN_HVM_H__ #include #include static const char *param_name(int op) { #define PARAM(x) [HVM_PARAM_##x] = #x static const char *const names[] = { PARAM(CALLBACK_IRQ), PARAM(STORE_PFN), PARAM(STORE_EVTCHN), PARAM(PAE_ENABLED), PARAM(IOREQ_PFN), PARAM(BUFIOREQ_PFN), PARAM(TIMER_MODE), PARAM(HPET_ENABLED), PARAM(IDENT_PT), PARAM(DM_DOMAIN), PARAM(ACPI_S_STATE), PARAM(VM86_TSS), PARAM(VPT_ALIGN), PARAM(CONSOLE_PFN), PARAM(CONSOLE_EVTCHN), }; #undef PARAM if (op >= ARRAY_SIZE(names)) return "unknown"; if (!names[op]) return "reserved"; return names[op]; } static inline int hvm_get_parameter(int idx, uint64_t *value) { struct xen_hvm_param xhv; int r; xhv.domid = DOMID_SELF; xhv.index = idx; r = HYPERVISOR_hvm_op(HVMOP_get_param, &xhv); if (r < 0) { pr_err("Cannot get hvm parameter %s (%d): %d!\n", param_name(idx), idx, r); return r; } *value = xhv.value; return r; } #define HVM_CALLBACK_VIA_TYPE_VECTOR 0x2 #define HVM_CALLBACK_VIA_TYPE_SHIFT 56 #define HVM_CALLBACK_VECTOR(x) (((uint64_t)HVM_CALLBACK_VIA_TYPE_VECTOR)<<\ HVM_CALLBACK_VIA_TYPE_SHIFT | (x)) #endif /* XEN_HVM_H__ */ ype='submit' value='switch'/> net-next plumbingsTobias Klauser

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