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/* SPDX-License-Identifier: GPL-2.0-only */
/******************************************************************************
* asm-x86/guest/xen.h
*
* Copyright (c) 2017 Citrix Systems Ltd.
*/
#ifndef __X86_GUEST_XEN_H__
#define __X86_GUEST_XEN_H__
#include <xen/types.h>
#include <asm/e820.h>
#include <asm/fixmap.h>
#include <asm/guest/hypervisor.h>
#define XEN_shared_info ((struct shared_info *)fix_to_virt(FIX_XEN_SHARED_INFO))
#ifdef CONFIG_XEN_GUEST
extern bool xen_guest;
extern bool pv_console;
extern uint32_t xen_cpuid_base;
const struct hypervisor_ops *xg_probe(void);
int xg_alloc_unused_page(mfn_t *mfn);
int xg_free_unused_page(mfn_t mfn);
DECLARE_PER_CPU(unsigned int, vcpu_id);
DECLARE_PER_CPU(struct vcpu_info *, vcpu_info);
#else
#define xen_guest 0
#define pv_console 0
static inline const struct hypervisor_ops *xg_probe(void) { return NULL; }
#endif /* CONFIG_XEN_GUEST */
#endif /* __X86_GUEST_XEN_H__ */
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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