sys/arch/x86/include/sysarch.h

   1 /*      $NetBSD: sysarch.h,v 1.9 2010/07/07 01:14:53 chs Exp $  */
   2
   3 /*-
   4  * Copyright (c) 2007 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Andrew Doran.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #ifndef _X86_SYSARCH_H_
  33 #define _X86_SYSARCH_H_
  34
  35 #define X86_GET_LDT             0
  36 #define X86_SET_LDT             1
  37 #define X86_IOPL                2
  38 #define X86_GET_IOPERM          3
  39 #define X86_SET_IOPERM          4
  40 #define X86_OLD_VM86            5
  41 #define X86_PMC_INFO            8
  42 #define X86_PMC_STARTSTOP       9
  43 #define X86_PMC_READ            10
  44 #define X86_GET_MTRR            11
  45 #define X86_SET_MTRR            12
  46 #define X86_VM86                13
  47 #define X86_GET_GSBASE          14
  48 #define X86_GET_FSBASE          15
  49 #define X86_SET_GSBASE          16
  50 #define X86_SET_FSBASE          17
  51
  52 #ifdef _KERNEL
  53 #define _X86_SYSARCH_L(x)       x86_##x
  54 #define _X86_SYSARCH_U(x)       X86_##x
  55 #elif defined(__i386__)
  56 #define _X86_SYSARCH_L(x)       i386_##x
  57 #define _X86_SYSARCH_U(x)       I386_##x
  58 #define I386_GET_LDT            X86_GET_LDT
  59 #define I386_SET_LDT            X86_SET_LDT
  60 #define I386_IOPL               X86_IOPL
  61 #define I386_GET_IOPERM         X86_GET_IOPERM
  62 #define I386_SET_IOPERM         X86_SET_IOPERM
  63 #define I386_OLD_VM86           X86_OLD_VM86
  64 #define I386_PMC_INFO           X86_PMC_INFO
  65 #define I386_PMC_STARTSTOP      X86_PMC_STARTSTOP
  66 #define I386_PMC_READ           X86_PMC_READ
  67 #define I386_GET_MTRR           X86_GET_MTRR
  68 #define I386_SET_MTRR           X86_SET_MTRR
  69 #define I386_VM86               X86_VM86
  70 #define I386_GET_GSBASE         X86_GET_GSBASE
  71 #define I386_GET_FSBASE         X86_GET_FSBASE
  72 #define I386_SET_GSBASE         X86_SET_GSBASE
  73 #define I386_SET_FSBASE         X86_SET_FSBASE
  74 #else
  75 #define _X86_SYSARCH_L(x)       x86_64_##x
  76 #define _X86_SYSARCH_U(x)       X86_64_##x
  77 #define X86_64_GET_LDT          X86_GET_LDT
  78 #define X86_64_SET_LDT          X86_SET_LDT
  79 #define X86_64_IOPL             X86_IOPL
  80 #define X86_64_GET_IOPERM       X86_GET_IOPERM
  81 #define X86_64_SET_IOPERM       X86_SET_IOPERM
  82 #define X86_64_OLD_VM86         X86_OLD_VM86
  83 #define X86_64_PMC_INFO         X86_PMC_INFO
  84 #define X86_64_PMC_STARTSTOP    X86_PMC_STARTSTOP
  85 #define X86_64_PMC_READ         X86_PMC_READ
  86 #define X86_64_GET_MTRR         X86_GET_MTRR
  87 #define X86_64_SET_MTRR         X86_SET_MTRR
  88 #define X86_64_VM86             X86_VM86
  89 #define X86_64_GET_GSBASE       X86_GET_GSBASE
  90 #define X86_64_GET_FSBASE       X86_GET_FSBASE
  91 #define X86_64_SET_GSBASE       X86_SET_GSBASE
  92 #define X86_64_SET_FSBASE       X86_SET_FSBASE
  93 #endif
  94
  95 /*
  96  * Architecture specific syscalls (x86)
  97  */
  98
  99 struct _X86_SYSARCH_L(get_ldt_args) {
 100         int start;
 101         union descriptor *desc;
 102         int num;
 103 };
 104
 105 struct _X86_SYSARCH_L(set_ldt_args) {
 106         int start;
 107         union descriptor *desc;
 108         int num;
 109 };
 110
 111 struct _X86_SYSARCH_L(get_mtrr_args) {
 112         struct mtrr *mtrrp;
 113         int *n;
 114 };
 115
 116 struct _X86_SYSARCH_L(set_mtrr_args) {
 117         struct mtrr *mtrrp;
 118         int *n;
 119 };
 120
 121 struct _X86_SYSARCH_L(iopl_args) {
 122         int iopl;
 123 };
 124
 125 struct _X86_SYSARCH_L(get_ioperm_args) {
 126         u_long *iomap;
 127 };
 128
 129 struct _X86_SYSARCH_L(set_ioperm_args) {
 130         u_long *iomap;
 131 };
 132
 133 struct _X86_SYSARCH_L(pmc_info_args) {
 134         int     type;
 135         int     flags;
 136 };
 137
 138 #define PMC_TYPE_NONE           0
 139 #define PMC_TYPE_I586           1
 140 #define PMC_TYPE_I686           2
 141 #define PMC_TYPE_K7             3
 142
 143 #define PMC_INFO_HASTSC         0x01
 144
 145 #ifdef __i386__
 146 #define PMC_NCOUNTERS           4
 147 #else
 148 #define PMC_NCOUNTERS           2
 149 #endif
 150
 151 struct _X86_SYSARCH_L(pmc_startstop_args) {
 152         int counter;
 153         uint64_t val;
 154         uint8_t event;
 155         uint8_t unit;
 156         uint8_t compare;
 157         uint8_t flags;
 158 };
 159
 160 #define PMC_SETUP_KERNEL        0x01
 161 #define PMC_SETUP_USER          0x02
 162 #define PMC_SETUP_EDGE          0x04
 163 #define PMC_SETUP_INV           0x08
 164
 165 struct _X86_SYSARCH_L(pmc_read_args) {
 166         int counter;
 167         uint64_t val;
 168         uint64_t time;
 169 };
 170
 171 struct mtrr;
 172
 173 #ifdef _KERNEL
 174 int x86_iopl(struct lwp *, void *, register_t *);
 175 int x86_get_mtrr(struct lwp *, void *, register_t *);
 176 int x86_set_mtrr(struct lwp *, void *, register_t *);
 177 int x86_get_ldt(struct lwp *, void *, register_t *);
 178 int x86_get_ldt1(struct lwp *, struct x86_get_ldt_args *, union descriptor *);
 179 int x86_set_ldt(struct lwp *, void *, register_t *);
 180 int x86_set_ldt1(struct lwp *, struct x86_set_ldt_args *, union descriptor *);
 181 int x86_set_sdbase(void *, char, lwp_t *, bool);
 182 int x86_get_sdbase(void *, char);
 183 #else
 184 #include <sys/cdefs.h>
 185 __BEGIN_DECLS
 186 int _X86_SYSARCH_L(get_ldt)(int, union descriptor *, int);
 187 int _X86_SYSARCH_L(set_ldt)(int, union descriptor *, int);
 188 int _X86_SYSARCH_L(iopl)(int);
 189 int _X86_SYSARCH_L(pmc_info)(struct _X86_SYSARCH_L(pmc_info_args *));
 190 int _X86_SYSARCH_L(pmc_startstop)(struct _X86_SYSARCH_L(pmc_startstop_args *));
 191 int _X86_SYSARCH_L(pmc_read)(struct _X86_SYSARCH_L(pmc_read_args *));
 192 int _X86_SYSARCH_L(set_mtrr)(struct mtrr *, int *);
 193 int _X86_SYSARCH_L(get_mtrr)(struct mtrr *, int *);
 194 int sysarch(int, void *);
 195 __END_DECLS
 196 #endif
 197
 198 #endif /* !_X86_SYSARCH_H_ */