/****************************************************************************** * arch-x86/xen.h * * Guest OS interface to x86 Xen. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * 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: */