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Oleksandr Andrushchenko48654412020-08-06 12:42:48 +03001/* SPDX-License-Identifier: GPL-2.0
2 *
3 * Simple wrappers around HVM functions
4 *
5 * Copyright (c) 2002-2003, K A Fraser
6 * Copyright (c) 2005, Grzegorz Milos, gm281@cam.ac.uk,Intel Research Cambridge
7 * Copyright (c) 2020, EPAM Systems Inc.
8 */
9#ifndef XEN_HVM_H__
10#define XEN_HVM_H__
11
12#include <asm/xen/hypercall.h>
13#include <xen/interface/hvm/params.h>
14#include <xen/interface/xen.h>
15
16extern struct shared_info *HYPERVISOR_shared_info;
17
18int hvm_get_parameter(int idx, uint64_t *value);
19int hvm_get_parameter_maintain_dcache(int idx, uint64_t *value);
20
21struct shared_info *map_shared_info(void *p);
22void do_hypervisor_callback(struct pt_regs *regs);
23void mask_evtchn(uint32_t port);
24void unmask_evtchn(uint32_t port);
25void clear_evtchn(uint32_t port);
26
27#endif /* XEN_HVM_H__ */