1*86d7f5d3SJohn Marino /*- 2*86d7f5d3SJohn Marino * Copyright (c) 1997 Jonathan Lemon 3*86d7f5d3SJohn Marino * Copyright (c) 2008 The DragonFly Project. 4*86d7f5d3SJohn Marino * All rights reserved. 5*86d7f5d3SJohn Marino * 6*86d7f5d3SJohn Marino * Redistribution and use in source and binary forms, with or without 7*86d7f5d3SJohn Marino * modification, are permitted provided that the following conditions 8*86d7f5d3SJohn Marino * are met: 9*86d7f5d3SJohn Marino * 1. Redistributions of source code must retain the above copyright 10*86d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer. 11*86d7f5d3SJohn Marino * 2. Redistributions in binary form must reproduce the above copyright 12*86d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer in the 13*86d7f5d3SJohn Marino * documentation and/or other materials provided with the distribution. 14*86d7f5d3SJohn Marino * 15*86d7f5d3SJohn Marino * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16*86d7f5d3SJohn Marino * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17*86d7f5d3SJohn Marino * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18*86d7f5d3SJohn Marino * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19*86d7f5d3SJohn Marino * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20*86d7f5d3SJohn Marino * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21*86d7f5d3SJohn Marino * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22*86d7f5d3SJohn Marino * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23*86d7f5d3SJohn Marino * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24*86d7f5d3SJohn Marino * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25*86d7f5d3SJohn Marino * SUCH DAMAGE. 26*86d7f5d3SJohn Marino * 27*86d7f5d3SJohn Marino * $FreeBSD: src/sys/i386/include/pcb_ext.h,v 1.4 1999/12/29 04:33:04 peter Exp $ 28*86d7f5d3SJohn Marino */ 29*86d7f5d3SJohn Marino 30*86d7f5d3SJohn Marino #ifndef _MACHINE_PCB_EXT_H_ 31*86d7f5d3SJohn Marino #define _MACHINE_PCB_EXT_H_ 32*86d7f5d3SJohn Marino 33*86d7f5d3SJohn Marino #ifndef _SYS_TYPES_H_ 34*86d7f5d3SJohn Marino #include <sys/types.h> 35*86d7f5d3SJohn Marino #endif 36*86d7f5d3SJohn Marino 37*86d7f5d3SJohn Marino /* 38*86d7f5d3SJohn Marino * Extension to the 386 process control block 39*86d7f5d3SJohn Marino */ 40*86d7f5d3SJohn Marino #include <machine/tss.h> 41*86d7f5d3SJohn Marino #include <machine/segments.h> 42*86d7f5d3SJohn Marino 43*86d7f5d3SJohn Marino struct pcb_ext { 44*86d7f5d3SJohn Marino struct user_segment_descriptor ext_tssd; /* tss descriptor */ 45*86d7f5d3SJohn Marino struct x86_64tss ext_tss; /* per-process x86_64tss */ 46*86d7f5d3SJohn Marino caddr_t ext_iomap; /* i/o permission bitmap */ 47*86d7f5d3SJohn Marino }; 48*86d7f5d3SJohn Marino 49*86d7f5d3SJohn Marino /* JG remove this structure? */ 50*86d7f5d3SJohn Marino struct pcb_ldt { 51*86d7f5d3SJohn Marino caddr_t ldt_base; 52*86d7f5d3SJohn Marino int ldt_len; 53*86d7f5d3SJohn Marino int ldt_refcnt; 54*86d7f5d3SJohn Marino u_long ldt_active; 55*86d7f5d3SJohn Marino struct user_segment_descriptor ldt_sd; 56*86d7f5d3SJohn Marino }; 57*86d7f5d3SJohn Marino 58*86d7f5d3SJohn Marino #ifdef _KERNEL 59*86d7f5d3SJohn Marino 60*86d7f5d3SJohn Marino struct pcb; 61*86d7f5d3SJohn Marino 62*86d7f5d3SJohn Marino void set_user_ldt (struct pcb *); 63*86d7f5d3SJohn Marino struct pcb_ldt *user_ldt_alloc (struct pcb *, int); 64*86d7f5d3SJohn Marino void user_ldt_free (struct pcb *); 65*86d7f5d3SJohn Marino 66*86d7f5d3SJohn Marino #endif 67*86d7f5d3SJohn Marino 68*86d7f5d3SJohn Marino #endif /* _MACHINE_PCB_EXT_H_ */ 69