1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1993 The Regents of the University of California.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * $FreeBSD$
32 */
33
34 /*
35 * Architecture specific syscalls (X86)
36 */
37 #ifndef _MACHINE_SYSARCH_H_
38 #define _MACHINE_SYSARCH_H_
39
40 #include <sys/cdefs.h>
41
42 #define I386_GET_LDT 0
43 #define I386_SET_LDT 1
44 #define LDT_AUTO_ALLOC 0xffffffff
45 /* I386_IOPL */
46 #define I386_GET_IOPERM 3
47 #define I386_SET_IOPERM 4
48 /* xxxxx */
49 #define I386_VM86 6 /* XXX Not implementable on amd64 */
50 #define I386_GET_FSBASE 7
51 #define I386_SET_FSBASE 8
52 #define I386_GET_GSBASE 9
53 #define I386_SET_GSBASE 10
54 #define I386_GET_XFPUSTATE 11
55 #define I386_SET_PKRU 12
56 #define I386_CLEAR_PKRU 13
57
58 /* Leave space for 0-127 for to avoid translating syscalls */
59 #define AMD64_GET_FSBASE 128
60 #define AMD64_SET_FSBASE 129
61 #define AMD64_GET_GSBASE 130
62 #define AMD64_SET_GSBASE 131
63 #define AMD64_GET_XFPUSTATE 132
64 #define AMD64_SET_PKRU 133
65 #define AMD64_CLEAR_PKRU 134
66
67 /* Flags for AMD64_SET_PKRU */
68 #define AMD64_PKRU_EXCL 0x0001
69 #define AMD64_PKRU_PERSIST 0x0002
70
71 struct i386_ioperm_args {
72 unsigned int start;
73 unsigned int length;
74 int enable;
75 };
76
77 #ifdef __i386__
78 struct i386_ldt_args {
79 unsigned int start;
80 union descriptor *descs;
81 unsigned int num;
82 };
83
84 struct i386_vm86_args {
85 int sub_op; /* sub-operation to perform */
86 char *sub_args; /* args */
87 };
88
89 struct i386_get_xfpustate {
90 void *addr;
91 int len;
92 };
93 #else
94 struct i386_ldt_args {
95 unsigned int start;
96 struct user_segment_descriptor *descs __packed;
97 unsigned int num;
98 };
99
100 struct i386_get_xfpustate {
101 unsigned int addr;
102 int len;
103 };
104
105 struct i386_set_pkru {
106 unsigned int addr;
107 unsigned int len;
108 unsigned int keyidx;
109 int flags;
110 };
111
112 struct amd64_get_xfpustate {
113 void *addr;
114 int len;
115 };
116 #endif
117
118 struct amd64_set_pkru {
119 void *addr;
120 unsigned long len;
121 unsigned int keyidx;
122 int flags;
123 };
124
125 #ifndef _KERNEL
126 union descriptor;
127 struct dbreg;
128
129 __BEGIN_DECLS
130 int i386_get_ldt(int, union descriptor *, int);
131 int i386_set_ldt(int, union descriptor *, int);
132 int i386_get_ioperm(unsigned int, unsigned int *, int *);
133 int i386_set_ioperm(unsigned int, unsigned int, int);
134 int i386_vm86(int, void *);
135 int i386_get_fsbase(void **);
136 int i386_get_gsbase(void **);
137 int i386_set_fsbase(void *);
138 int i386_set_gsbase(void *);
139 int i386_set_watch(int, unsigned int, int, int, struct dbreg *);
140 int i386_clr_watch(int, struct dbreg *);
141 int amd64_get_fsbase(void **);
142 int amd64_get_gsbase(void **);
143 int amd64_set_fsbase(void *);
144 int amd64_set_gsbase(void *);
145 int x86_pkru_get_perm(unsigned int keyidx, int *access, int *modify);
146 int x86_pkru_set_perm(unsigned int keyidx, int access, int modify);
147 int x86_pkru_protect_range(void *addr, unsigned long len, unsigned int keyidx,
148 int flag);
149 int x86_pkru_unprotect_range(void *addr, unsigned long len);
150 int sysarch(int, void *);
151 __END_DECLS
152 #else
153 struct thread;
154 union descriptor;
155
156 int i386_get_ldt(struct thread *, struct i386_ldt_args *);
157 int i386_set_ldt(struct thread *, struct i386_ldt_args *, union descriptor *);
158 int i386_get_ioperm(struct thread *, struct i386_ioperm_args *);
159 int i386_set_ioperm(struct thread *, struct i386_ioperm_args *);
160 int amd64_get_ldt(struct thread *, struct i386_ldt_args *);
161 int amd64_set_ldt(struct thread *, struct i386_ldt_args *,
162 struct user_segment_descriptor *);
163 int amd64_get_ioperm(struct thread *, struct i386_ioperm_args *);
164 int amd64_set_ioperm(struct thread *, struct i386_ioperm_args *);
165 #endif
166
167 #endif /* !_MACHINE_SYSARCH_H_ */
Cache object: e9610560d0d29e3a4aa3cb8b0675ad07
|