| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* Simple wrappers around HVM functions */ |
| #include <xen/interface/hvm/params.h> |
| #include <asm/xen/hypercall.h> |
| static const char *param_name(int op) |
| #define PARAM(x) [HVM_PARAM_##x] = #x |
| static const char *const names[] = { |
| if (op >= ARRAY_SIZE(names)) |
| static inline int hvm_get_parameter(int idx, uint64_t *value) |
| struct xen_hvm_param xhv; |
| r = HYPERVISOR_hvm_op(HVMOP_get_param, &xhv); |
| pr_err("Cannot get hvm parameter %s (%d): %d!\n", |
| param_name(idx), idx, 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)) |
| void xen_setup_callback_vector(void); |