186d7f5d3SJohn Marino /*- 286d7f5d3SJohn Marino * Copyright (c) 1997 Jonathan Lemon 386d7f5d3SJohn Marino * Copyright (c) 2008 The DragonFly Project. 486d7f5d3SJohn Marino * All rights reserved. 586d7f5d3SJohn Marino * 686d7f5d3SJohn Marino * Redistribution and use in source and binary forms, with or without 786d7f5d3SJohn Marino * modification, are permitted provided that the following conditions 886d7f5d3SJohn Marino * are met: 986d7f5d3SJohn Marino * 1. Redistributions of source code must retain the above copyright 1086d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer. 1186d7f5d3SJohn Marino * 2. Redistributions in binary form must reproduce the above copyright 1286d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer in the 1386d7f5d3SJohn Marino * documentation and/or other materials provided with the distribution. 1486d7f5d3SJohn Marino * 1586d7f5d3SJohn Marino * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1686d7f5d3SJohn Marino * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1786d7f5d3SJohn Marino * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1886d7f5d3SJohn Marino * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1986d7f5d3SJohn Marino * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2086d7f5d3SJohn Marino * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2186d7f5d3SJohn Marino * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2286d7f5d3SJohn Marino * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2386d7f5d3SJohn Marino * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2486d7f5d3SJohn Marino * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2586d7f5d3SJohn Marino * SUCH DAMAGE. 2686d7f5d3SJohn Marino * 2786d7f5d3SJohn Marino * $FreeBSD: src/sys/i386/include/pcb_ext.h,v 1.4 1999/12/29 04:33:04 peter Exp $ 2886d7f5d3SJohn Marino */ 2986d7f5d3SJohn Marino 3086d7f5d3SJohn Marino #ifndef _MACHINE_PCB_EXT_H_ 3186d7f5d3SJohn Marino #define _MACHINE_PCB_EXT_H_ 3286d7f5d3SJohn Marino 3386d7f5d3SJohn Marino #ifndef _SYS_TYPES_H_ 3486d7f5d3SJohn Marino #include <sys/types.h> 3586d7f5d3SJohn Marino #endif 3686d7f5d3SJohn Marino 3786d7f5d3SJohn Marino /* 3886d7f5d3SJohn Marino * Extension to the 386 process control block 3986d7f5d3SJohn Marino */ 4086d7f5d3SJohn Marino #include <machine/tss.h> 4186d7f5d3SJohn Marino #include <machine/segments.h> 4286d7f5d3SJohn Marino 4386d7f5d3SJohn Marino struct pcb_ext { 4486d7f5d3SJohn Marino struct user_segment_descriptor ext_tssd; /* tss descriptor */ 4586d7f5d3SJohn Marino struct x86_64tss ext_tss; /* per-process x86_64tss */ 4686d7f5d3SJohn Marino caddr_t ext_iomap; /* i/o permission bitmap */ 4786d7f5d3SJohn Marino }; 4886d7f5d3SJohn Marino 4986d7f5d3SJohn Marino /* JG remove this structure? */ 5086d7f5d3SJohn Marino struct pcb_ldt { 5186d7f5d3SJohn Marino caddr_t ldt_base; 5286d7f5d3SJohn Marino int ldt_len; 5386d7f5d3SJohn Marino int ldt_refcnt; 5486d7f5d3SJohn Marino u_long ldt_active; 5586d7f5d3SJohn Marino struct user_segment_descriptor ldt_sd; 5686d7f5d3SJohn Marino }; 5786d7f5d3SJohn Marino 5886d7f5d3SJohn Marino #ifdef _KERNEL 5986d7f5d3SJohn Marino 6086d7f5d3SJohn Marino struct pcb; 6186d7f5d3SJohn Marino 6286d7f5d3SJohn Marino void set_user_ldt (struct pcb *); 6386d7f5d3SJohn Marino struct pcb_ldt *user_ldt_alloc (struct pcb *, int); 6486d7f5d3SJohn Marino void user_ldt_free (struct pcb *); 6586d7f5d3SJohn Marino 6686d7f5d3SJohn Marino #endif 6786d7f5d3SJohn Marino 6886d7f5d3SJohn Marino #endif /* _MACHINE_PCB_EXT_H_ */ 69