OvmfPkg/IndustryStandard/Xen: replace MIT license text with SPDX ID

[mirror_edk2.git] / OvmfPkg / Include / IndustryStandard / Xen / arch-x86 / xen.h

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