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uvm_loan.h revision 1.17 
      1  1.17     chuck /*	$NetBSD: uvm_loan.h,v 1.17 2011/02/02 15:13:34 chuck 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