118f19aa6SJeremy Fitzhardinge /* Simple wrappers around HVM functions */ 218f19aa6SJeremy Fitzhardinge #ifndef XEN_HVM_H__ 318f19aa6SJeremy Fitzhardinge #define XEN_HVM_H__ 418f19aa6SJeremy Fitzhardinge 518f19aa6SJeremy Fitzhardinge #include <xen/interface/hvm/params.h> 638e20b07SSheng Yang #include <asm/xen/hypercall.h> 718f19aa6SJeremy Fitzhardinge 86d877e6bSKonrad Rzeszutek Wilk static const char *param_name(int op) 96d877e6bSKonrad Rzeszutek Wilk { 106d877e6bSKonrad Rzeszutek Wilk #define PARAM(x) [HVM_PARAM_##x] = #x 116d877e6bSKonrad Rzeszutek Wilk static const char *const names[] = { 126d877e6bSKonrad Rzeszutek Wilk PARAM(CALLBACK_IRQ), 136d877e6bSKonrad Rzeszutek Wilk PARAM(STORE_PFN), 146d877e6bSKonrad Rzeszutek Wilk PARAM(STORE_EVTCHN), 156d877e6bSKonrad Rzeszutek Wilk PARAM(PAE_ENABLED), 166d877e6bSKonrad Rzeszutek Wilk PARAM(IOREQ_PFN), 176d877e6bSKonrad Rzeszutek Wilk PARAM(BUFIOREQ_PFN), 186d877e6bSKonrad Rzeszutek Wilk PARAM(TIMER_MODE), 196d877e6bSKonrad Rzeszutek Wilk PARAM(HPET_ENABLED), 206d877e6bSKonrad Rzeszutek Wilk PARAM(IDENT_PT), 216d877e6bSKonrad Rzeszutek Wilk PARAM(DM_DOMAIN), 226d877e6bSKonrad Rzeszutek Wilk PARAM(ACPI_S_STATE), 236d877e6bSKonrad Rzeszutek Wilk PARAM(VM86_TSS), 246d877e6bSKonrad Rzeszutek Wilk PARAM(VPT_ALIGN), 256d877e6bSKonrad Rzeszutek Wilk PARAM(CONSOLE_PFN), 266d877e6bSKonrad Rzeszutek Wilk PARAM(CONSOLE_EVTCHN), 276d877e6bSKonrad Rzeszutek Wilk }; 286d877e6bSKonrad Rzeszutek Wilk #undef PARAM 296d877e6bSKonrad Rzeszutek Wilk 306d877e6bSKonrad Rzeszutek Wilk if (op >= ARRAY_SIZE(names)) 316d877e6bSKonrad Rzeszutek Wilk return "unknown"; 326d877e6bSKonrad Rzeszutek Wilk 336d877e6bSKonrad Rzeszutek Wilk if (!names[op]) 346d877e6bSKonrad Rzeszutek Wilk return "reserved"; 356d877e6bSKonrad Rzeszutek Wilk 366d877e6bSKonrad Rzeszutek Wilk return names[op]; 376d877e6bSKonrad Rzeszutek Wilk } 3818f19aa6SJeremy Fitzhardinge static inline int hvm_get_parameter(int idx, uint64_t *value) 3918f19aa6SJeremy Fitzhardinge { 4018f19aa6SJeremy Fitzhardinge struct xen_hvm_param xhv; 4118f19aa6SJeremy Fitzhardinge int r; 4218f19aa6SJeremy Fitzhardinge 4318f19aa6SJeremy Fitzhardinge xhv.domid = DOMID_SELF; 4418f19aa6SJeremy Fitzhardinge xhv.index = idx; 4518f19aa6SJeremy Fitzhardinge r = HYPERVISOR_hvm_op(HVMOP_get_param, &xhv); 4618f19aa6SJeremy Fitzhardinge if (r < 0) { 47*283c0972SJoe Perches pr_err("Cannot get hvm parameter %s (%d): %d!\n", 486d877e6bSKonrad Rzeszutek Wilk param_name(idx), idx, r); 4918f19aa6SJeremy Fitzhardinge return r; 5018f19aa6SJeremy Fitzhardinge } 5118f19aa6SJeremy Fitzhardinge *value = xhv.value; 5218f19aa6SJeremy Fitzhardinge return r; 5318f19aa6SJeremy Fitzhardinge } 5418f19aa6SJeremy Fitzhardinge 5538e20b07SSheng Yang #define HVM_CALLBACK_VIA_TYPE_VECTOR 0x2 5638e20b07SSheng Yang #define HVM_CALLBACK_VIA_TYPE_SHIFT 56 5738e20b07SSheng Yang #define HVM_CALLBACK_VECTOR(x) (((uint64_t)HVM_CALLBACK_VIA_TYPE_VECTOR)<<\ 5838e20b07SSheng Yang HVM_CALLBACK_VIA_TYPE_SHIFT | (x)) 5938e20b07SSheng Yang 6018f19aa6SJeremy Fitzhardinge #endif /* XEN_HVM_H__ */ 61