CloverBootloader/OvmfPkg/Include/IndustryStandard/Xen/arch-x86/xen.h

98 lines
2.8 KiB
C

/******************************************************************************
* arch-x86/xen.h
*
* Guest OS interface to x86 Xen.
*
* SPDX-License-Identifier: MIT
*
* Copyright (c) 2004-2006, K A Fraser
*/
#include "../xen.h"
#ifndef __XEN_PUBLIC_ARCH_X86_XEN_H__
#define __XEN_PUBLIC_ARCH_X86_XEN_H__
/* Structural guest handles introduced in 0x00030201. */
#if __XEN_INTERFACE_VERSION__ >= 0x00030201
#define ___DEFINE_XEN_GUEST_HANDLE(name, type) \
typedef struct { type *p; } __guest_handle_ ## name
#else
#define ___DEFINE_XEN_GUEST_HANDLE(name, type) \
typedef type * __guest_handle_ ## name
#endif
/*
* XEN_GUEST_HANDLE represents a guest pointer, when passed as a field
* in a struct in memory.
* XEN_GUEST_HANDLE_PARAM represent a guest pointer, when passed as an
* hypercall argument.
* XEN_GUEST_HANDLE_PARAM and XEN_GUEST_HANDLE are the same on X86 but
* they might not be on other architectures.
*/
#define __DEFINE_XEN_GUEST_HANDLE(name, type) \
___DEFINE_XEN_GUEST_HANDLE(name, type); \
___DEFINE_XEN_GUEST_HANDLE(const_##name, const type)
#define DEFINE_XEN_GUEST_HANDLE(name) __DEFINE_XEN_GUEST_HANDLE(name, name)
#define __XEN_GUEST_HANDLE(name) __guest_handle_ ## name
#define XEN_GUEST_HANDLE(name) __XEN_GUEST_HANDLE(name)
#define XEN_GUEST_HANDLE_PARAM(name) XEN_GUEST_HANDLE(name)
#define set_xen_guest_handle_raw(hnd, val) do { (hnd).p = val; } while (0)
#ifdef __XEN_TOOLS__
#define get_xen_guest_handle(val, hnd) do { val = (hnd).p; } while (0)
#endif
#define set_xen_guest_handle(hnd, val) set_xen_guest_handle_raw(hnd, val)
#if defined (MDE_CPU_IA32)
#include "xen-x86_32.h"
#elif defined (MDE_CPU_X64)
#include "xen-x86_64.h"
#endif
#ifndef __ASSEMBLY__
typedef UINTN xen_pfn_t;
#define PRI_xen_pfn "lx"
#endif
#define XEN_HAVE_PV_UPCALL_MASK 1
/* Maximum number of virtual CPUs in legacy multi-processor guests. */
#define XEN_LEGACY_MAX_VCPUS 32
#ifndef __ASSEMBLY__
typedef UINTN xen_ulong_t;
#define PRI_xen_ulong "lx"
typedef UINT64 tsc_timestamp_t; /* RDTSC timestamp */
#ifdef MDE_CPU_IA32
#pragma pack(4)
#endif
struct arch_shared_info {
UINTN max_pfn; /* max pfn that appears in table */
/* Frame containing list of mfns containing list of mfns containing p2m. */
xen_pfn_t pfn_to_mfn_frame_list_list;
UINTN nmi_reason;
UINT64 pad[32];
};
typedef struct arch_shared_info arch_shared_info_t;
#ifdef MDE_CPU_IA32
#pragma pack()
#endif
#endif /* !__ASSEMBLY__ */
#endif /* __XEN_PUBLIC_ARCH_X86_XEN_H__ */
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/