Annotation of sys/uvm/uvm_fault.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: uvm_fault.h,v 1.12 2002/03/14 01:27:18 millert Exp $ */
! 2: /* $NetBSD: uvm_fault.h,v 1.14 2000/06/26 14:21:17 mrg Exp $ */
! 3:
! 4: /*
! 5: *
! 6: * Copyright (c) 1997 Charles D. Cranor and Washington University.
! 7: * All rights reserved.
! 8: *
! 9: * Redistribution and use in source and binary forms, with or without
! 10: * modification, are permitted provided that the following conditions
! 11: * are met:
! 12: * 1. Redistributions of source code must retain the above copyright
! 13: * notice, this list of conditions and the following disclaimer.
! 14: * 2. Redistributions in binary form must reproduce the above copyright
! 15: * notice, this list of conditions and the following disclaimer in the
! 16: * documentation and/or other materials provided with the distribution.
! 17: * 3. All advertising materials mentioning features or use of this software
! 18: * must display the following acknowledgement:
! 19: * This product includes software developed by Charles D. Cranor and
! 20: * Washington University.
! 21: * 4. The name of the author may not be used to endorse or promote products
! 22: * derived from this software without specific prior written permission.
! 23: *
! 24: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 25: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 26: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 27: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 28: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 29: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 30: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 31: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 32: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 33: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 34: *
! 35: * from: Id: uvm_fault.h,v 1.1.2.2 1997/12/08 16:07:12 chuck Exp
! 36: */
! 37:
! 38: #ifndef _UVM_UVM_FAULT_H_
! 39: #define _UVM_UVM_FAULT_H_
! 40:
! 41: /*
! 42: * fault types
! 43: */
! 44:
! 45: #define VM_FAULT_INVALID ((vm_fault_t) 0x0) /* invalid mapping */
! 46: #define VM_FAULT_PROTECT ((vm_fault_t) 0x1) /* protection */
! 47: #define VM_FAULT_WIRE ((vm_fault_t) 0x2) /* wire mapping */
! 48:
! 49: /*
! 50: * fault data structures
! 51: */
! 52:
! 53: /*
! 54: * uvm_faultinfo: to load one of these fill in all orig_* fields and
! 55: * then call uvmfault_lookup on it.
! 56: */
! 57:
! 58:
! 59: struct uvm_faultinfo {
! 60: vm_map_t orig_map; /* IN: original map */
! 61: vaddr_t orig_rvaddr; /* IN: original rounded VA */
! 62: vsize_t orig_size; /* IN: original size of interest */
! 63: vm_map_t map; /* map (could be a submap) */
! 64: unsigned int mapv; /* map's version number */
! 65: vm_map_entry_t entry; /* map entry (from 'map') */
! 66: vsize_t size; /* size of interest */
! 67: };
! 68:
! 69: #ifdef _KERNEL
! 70:
! 71: /*
! 72: * fault prototypes
! 73: */
! 74:
! 75:
! 76: int uvmfault_anonget(struct uvm_faultinfo *, struct vm_amap *,
! 77: struct vm_anon *);
! 78:
! 79: int uvm_fault_wire(vm_map_t, vaddr_t, vaddr_t, vm_prot_t);
! 80: void uvm_fault_unwire(vm_map_t, vaddr_t, vaddr_t);
! 81: void uvm_fault_unwire_locked(vm_map_t, vaddr_t, vaddr_t);
! 82:
! 83: #endif /* _KERNEL */
! 84:
! 85: #endif /* _UVM_UVM_FAULT_H_ */
CVSweb