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uvm_loan.h revision 1.16.8.1 
      1  1.16.8.1    bouyer /*	$NetBSD: uvm_loan.h,v 1.16.8.1 2011/02/08 16:20:06 bouyer Exp $	*/
      2       1.1       mrg 
      3       1.1       mrg /*
      4       1.1       mrg  * Copyright (c) 1997 Charles D. Cranor and Washington University.
      5       1.1       mrg  * All rights reserved.
      6       1.1       mrg  *
      7       1.1       mrg  * Redistribution and use in source and binary forms, with or without
      8       1.1       mrg  * modification, are permitted provided that the following conditions
      9       1.1       mrg  * are met:
     10       1.1       mrg  * 1. Redistributions of source code must retain the above copyright
     11       1.1       mrg  *    notice, this list of conditions and the following disclaimer.
     12       1.1       mrg  * 2. Redistributions in binary form must reproduce the above copyright
     13       1.1       mrg  *    notice, this list of conditions and the following disclaimer in the
     14       1.1       mrg  *    documentation and/or other materials provided with the distribution.
     15       1.1       mrg  *
     16       1.1       mrg  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17       1.1       mrg  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18       1.1       mrg  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19       1.1       mrg  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20       1.1       mrg  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21       1.1       mrg  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22       1.1       mrg  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23       1.1       mrg  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24       1.1       mrg  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25       1.1       mrg  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26       1.3       mrg  *
     27       1.3       mrg  * from: Id: uvm_loan.h,v 1.1.4.1 1997/12/08 16:07:14 chuck Exp
     28       1.1       mrg  */
     29       1.1       mrg 
     30       1.4     perry #ifndef _UVM_UVM_LOAN_H_
     31       1.4     perry #define _UVM_UVM_LOAN_H_
     32       1.4     perry 
     33       1.7   thorpej #ifdef _KERNEL
     34       1.7   thorpej 
     35       1.1       mrg /*
     36       1.9       chs  * flags for uvm_loan()
     37       1.1       mrg  */
     38       1.1       mrg 
     39       1.1       mrg #define UVM_LOAN_TOANON		0x1		/* loan to anon */
     40       1.1       mrg #define UVM_LOAN_TOPAGE		0x2		/* loan to page */
     41       1.1       mrg 
     42       1.1       mrg /*
     43       1.1       mrg  * loan prototypes
     44       1.1       mrg  */
     45       1.1       mrg 
     46      1.13  junyoung void uvm_loan_init(void);
     47      1.13  junyoung int uvm_loan(struct vm_map *, vaddr_t, vsize_t, void *, int);
     48      1.13  junyoung void uvm_unloan(void *, int, int);
     49      1.13  junyoung int uvm_loanuobjpages(struct uvm_object *, voff_t, int,
     50      1.13  junyoung     struct vm_page **);
     51      1.13  junyoung struct vm_page *uvm_loanbreak(struct vm_page *);
     52      1.16  uebayasi int uvm_loanbreak_anon(struct vm_anon *, struct uvm_object *);
     53       1.7   thorpej 
     54       1.7   thorpej #endif /* _KERNEL */
     55       1.4     perry 
     56       1.4     perry #endif /* _UVM_UVM_LOAN_H_ */
     57