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-rw-r--r--sys/xen/interface/arch-x86/xen.h198
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diff --git a/sys/xen/interface/arch-x86/xen.h b/sys/xen/interface/arch-x86/xen.h
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--- a/sys/xen/interface/arch-x86/xen.h
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-/******************************************************************************
- * 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
- */
-
-#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
-
-#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 set_xen_guest_handle(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
-
-#if defined(__i386__)
-#include <xen/interface/arch-x86/xen-x86_32.h>
-#elif defined(__x86_64__)
-#include "xen-x86_64.h"
-#endif
-
-#ifndef __ASSEMBLY__
-typedef unsigned long xen_pfn_t;
-#define PRI_xen_pfn "lx"
-#endif
-
-/*
- * SEGMENT DESCRIPTOR TABLES
- */
-/*
- * A number of GDT entries are reserved by Xen. These are not situated at the
- * start of the GDT because some stupid OSes export hard-coded selector values
- * in their ABI. These hard-coded values are always near the start of the GDT,
- * so Xen places itself out of the way, at the far end of the GDT.
- */
-#define FIRST_RESERVED_GDT_PAGE 14
-#define FIRST_RESERVED_GDT_BYTE (FIRST_RESERVED_GDT_PAGE * 4096)
-#define FIRST_RESERVED_GDT_ENTRY (FIRST_RESERVED_GDT_BYTE / 8)
-
-/* Maximum number of virtual CPUs in multi-processor guests. */
-#define MAX_VIRT_CPUS 32
-
-#ifndef __ASSEMBLY__
-
-typedef unsigned long xen_ulong_t;
-
-/*
- * Send an array of these to HYPERVISOR_set_trap_table().
- * The privilege level specifies which modes may enter a trap via a software
- * interrupt. On x86/64, since rings 1 and 2 are unavailable, we allocate
- * privilege levels as follows:
- * Level == 0: Noone may enter
- * Level == 1: Kernel may enter
- * Level == 2: Kernel may enter
- * Level == 3: Everyone may enter
- */
-#define TI_GET_DPL(_ti) ((_ti)->flags & 3)
-#define TI_GET_IF(_ti) ((_ti)->flags & 4)
-#define TI_SET_DPL(_ti,_dpl) ((_ti)->flags |= (_dpl))
-#define TI_SET_IF(_ti,_if) ((_ti)->flags |= ((!!(_if))<<2))
-struct trap_info {
- uint8_t vector; /* exception vector */
- uint8_t flags; /* 0-3: privilege level; 4: clear event enable? */
- uint16_t cs; /* code selector */
- unsigned long address; /* code offset */
-};
-typedef struct trap_info trap_info_t;
-DEFINE_XEN_GUEST_HANDLE(trap_info_t);
-
-typedef uint64_t tsc_timestamp_t; /* RDTSC timestamp */
-
-/*
- * The following is all CPU context. Note that the fpu_ctxt block is filled
- * in by FXSAVE if the CPU has feature FXSR; otherwise FSAVE is used.
- */
-struct vcpu_guest_context {
- /* FPU registers come first so they can be aligned for FXSAVE/FXRSTOR. */
- struct { char x[512]; } fpu_ctxt; /* User-level FPU registers */
-#define VGCF_I387_VALID (1<<0)
-#define VGCF_IN_KERNEL (1<<2)
-#define _VGCF_i387_valid 0
-#define VGCF_i387_valid (1<<_VGCF_i387_valid)
-#define _VGCF_in_kernel 2
-#define VGCF_in_kernel (1<<_VGCF_in_kernel)
-#define _VGCF_failsafe_disables_events 3
-#define VGCF_failsafe_disables_events (1<<_VGCF_failsafe_disables_events)
-#define _VGCF_syscall_disables_events 4
-#define VGCF_syscall_disables_events (1<<_VGCF_syscall_disables_events)
-#define _VGCF_online 5
-#define VGCF_online (1<<_VGCF_online)
- unsigned long flags; /* VGCF_* flags */
- struct cpu_user_regs user_regs; /* User-level CPU registers */
- struct trap_info trap_ctxt[256]; /* Virtual IDT */
- unsigned long ldt_base, ldt_ents; /* LDT (linear address, # ents) */
- unsigned long gdt_frames[16], gdt_ents; /* GDT (machine frames, # ents) */
- unsigned long kernel_ss, kernel_sp; /* Virtual TSS (only SS1/SP1) */
- /* NB. User pagetable on x86/64 is placed in ctrlreg[1]. */
- unsigned long ctrlreg[8]; /* CR0-CR7 (control registers) */
- unsigned long debugreg[8]; /* DB0-DB7 (debug registers) */
-#ifdef __i386__
- unsigned long event_callback_cs; /* CS:EIP of event callback */
- unsigned long event_callback_eip;
- unsigned long failsafe_callback_cs; /* CS:EIP of failsafe callback */
- unsigned long failsafe_callback_eip;
-#else
- unsigned long event_callback_eip;
- unsigned long failsafe_callback_eip;
-#ifdef __XEN__
- union {
- unsigned long syscall_callback_eip;
- struct {
- unsigned int event_callback_cs; /* compat CS of event cb */
- unsigned int failsafe_callback_cs; /* compat CS of failsafe cb */
- };
- } u;
-#else
- unsigned long syscall_callback_eip;
-#endif
-#endif
- unsigned long vm_assist; /* VMASST_TYPE_* bitmap */
-#ifdef __x86_64__
- /* Segment base addresses. */
- uint64_t fs_base;
- uint64_t gs_base_kernel;
- uint64_t gs_base_user;
-#endif
-};
-typedef struct vcpu_guest_context vcpu_guest_context_t;
-DEFINE_XEN_GUEST_HANDLE(vcpu_guest_context_t);
-
-struct arch_shared_info {
- unsigned long 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;
- unsigned long nmi_reason;
- uint64_t pad[32];
-};
-typedef struct arch_shared_info arch_shared_info_t;
-
-#endif /* !__ASSEMBLY__ */
-
-/*
- * Prefix forces emulation of some non-trapping instructions.
- * Currently only CPUID.
- */
-#ifdef __ASSEMBLY__
-#define XEN_EMULATE_PREFIX .byte 0x0f,0x0b,0x78,0x65,0x6e ;
-#define XEN_CPUID XEN_EMULATE_PREFIX cpuid
-#else
-#define XEN_EMULATE_PREFIX ".byte 0x0f,0x0b,0x78,0x65,0x6e ; "
-#define XEN_CPUID XEN_EMULATE_PREFIX "cpuid"
-#endif
-
-#endif /* __XEN_PUBLIC_ARCH_X86_XEN_H__ */
-
-/*
- * Local variables:
- * mode: C
- * c-set-style: "BSD"
- * c-basic-offset: 4
- * tab-width: 4
- * indent-tabs-mode: nil
- * End:
- */
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