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 32/* 33 * Architecture specific syscalls (X86) 34 */ 35#ifndef _MACHINE_SYSARCH_H_ 36#define _MACHINE_SYSARCH_H_ 37 38#include <sys/cdefs.h> 39 40#define I386_GET_LDT 0 41#define I386_SET_LDT 1 42#define LDT_AUTO_ALLOC 0xffffffff 43 /* I386_IOPL */ 44#define I386_GET_IOPERM 3 45#define I386_SET_IOPERM 4 46 /* xxxxx */ 47#define I386_VM86 6 /* XXX Not implementable on amd64 */ 48#define I386_GET_FSBASE 7 49#define I386_SET_FSBASE 8 50#define I386_GET_GSBASE 9 51#define I386_SET_GSBASE 10 52#define I386_GET_XFPUSTATE 11 53#define I386_SET_PKRU 12 54#define I386_CLEAR_PKRU 13 55 56/* Leave space for 0-127 for to avoid translating syscalls */ 57#define AMD64_GET_FSBASE 128 58#define AMD64_SET_FSBASE 129 59#define AMD64_GET_GSBASE 130 60#define AMD64_SET_GSBASE 131 61#define AMD64_GET_XFPUSTATE 132 62#define AMD64_SET_PKRU 133 63#define AMD64_CLEAR_PKRU 134 64 65/* Flags for AMD64_SET_PKRU */ 66#define AMD64_PKRU_EXCL 0x0001 67#define AMD64_PKRU_PERSIST 0x0002 68 69struct i386_ioperm_args { 70 unsigned int start; 71 unsigned int length; 72 int enable; 73}; 74 75#ifdef __i386__ 76struct i386_ldt_args { 77 unsigned int start; 78 union descriptor *descs; 79 unsigned int num; 80}; 81 82struct i386_vm86_args { 83 int sub_op; /* sub-operation to perform */ 84 char *sub_args; /* args */ 85}; 86 87struct i386_get_xfpustate { 88 void *addr; 89 int len; 90}; 91#else 92struct i386_ldt_args { 93 unsigned int start; 94 struct user_segment_descriptor *descs __packed; 95 unsigned int num; 96}; 97 98struct i386_get_xfpustate { 99 unsigned int addr; 100 int len; 101}; 102 103struct i386_set_pkru { 104 unsigned int addr; 105 unsigned int len; 106 unsigned int keyidx; 107 int flags; 108}; 109 110struct amd64_get_xfpustate { 111 void *addr; 112 int len; 113}; 114#endif 115 116struct amd64_set_pkru { 117 void *addr; 118 unsigned long len; 119 unsigned int keyidx; 120 int flags; 121}; 122 123#ifndef _KERNEL 124union descriptor; 125struct dbreg; 126 127__BEGIN_DECLS 128int i386_get_ldt(int, union descriptor *, int); 129int i386_set_ldt(int, union descriptor *, int); 130int i386_get_ioperm(unsigned int, unsigned int *, int *); 131int i386_set_ioperm(unsigned int, unsigned int, int); 132int i386_vm86(int, void *); 133int i386_get_fsbase(void **); 134int i386_get_gsbase(void **); 135int i386_set_fsbase(void *); 136int i386_set_gsbase(void *); 137int i386_set_watch(int, unsigned int, int, int, struct dbreg *); 138int i386_clr_watch(int, struct dbreg *); 139int amd64_get_fsbase(void **); 140int amd64_get_gsbase(void **); 141int amd64_set_fsbase(void *); 142int amd64_set_gsbase(void *); 143int x86_pkru_get_perm(unsigned int keyidx, int *access, int *modify); 144int x86_pkru_set_perm(unsigned int keyidx, int access, int modify); 145int x86_pkru_protect_range(void *addr, unsigned long len, unsigned int keyidx, 146 int flag); 147int x86_pkru_unprotect_range(void *addr, unsigned long len); 148int sysarch(int, void *); 149__END_DECLS 150#else 151struct thread; 152union descriptor; 153 154int i386_get_ldt(struct thread *, struct i386_ldt_args *); 155int i386_set_ldt(struct thread *, struct i386_ldt_args *, union descriptor *); 156int i386_get_ioperm(struct thread *, struct i386_ioperm_args *); 157int i386_set_ioperm(struct thread *, struct i386_ioperm_args *); 158int amd64_get_ldt(struct thread *, struct i386_ldt_args *); 159int amd64_set_ldt(struct thread *, struct i386_ldt_args *, 160 struct user_segment_descriptor *); 161int amd64_get_ioperm(struct thread *, struct i386_ioperm_args *); 162int amd64_set_ioperm(struct thread *, struct i386_ioperm_args *); 163#endif 164 165#endif /* !_MACHINE_SYSARCH_H_ */ 166