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uvm_loan.h revision 1.13 
      1  1.13  junyoung /*	$NetBSD: uvm_loan.h,v 1.13 2004/03/24 07:55:01 junyoung Exp $	*/
      2   1.1       mrg 
      3   1.1       mrg /*
      4   1.1       mrg  *
      5   1.1       mrg  * Copyright (c) 1997 Charles D. Cranor and Washington University.
      6   1.1       mrg  * All rights reserved.
      7   1.1       mrg  *
      8   1.1       mrg  * Redistribution and use in source and binary forms, with or without
      9   1.1       mrg  * modification, are permitted provided that the following conditions
     10   1.1       mrg  * are met:
     11   1.1       mrg  * 1. Redistributions of source code must retain the above copyright
     12   1.1       mrg  *    notice, this list of conditions and the following disclaimer.
     13   1.1       mrg  * 2. Redistributions in binary form must reproduce the above copyright
     14   1.1       mrg  *    notice, this list of conditions and the following disclaimer in the
     15   1.1       mrg  *    documentation and/or other materials provided with the distribution.
     16   1.1       mrg  * 3. All advertising materials mentioning features or use of this software
     17   1.1       mrg  *    must display the following acknowledgement:
     18   1.1       mrg  *      This product includes software developed by Charles D. Cranor and
     19   1.1       mrg  *      Washington University.
     20   1.1       mrg  * 4. The name of the author may not be used to endorse or promote products
     21   1.1       mrg  *    derived from this software without specific prior written permission.
     22   1.1       mrg  *
     23   1.1       mrg  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     24   1.1       mrg  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     25   1.1       mrg  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     26   1.1       mrg  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     27   1.1       mrg  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     28   1.1       mrg  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     29   1.1       mrg  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     30   1.1       mrg  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     31   1.1       mrg  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     32   1.1       mrg  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     33   1.3       mrg  *
     34   1.3       mrg  * from: Id: uvm_loan.h,v 1.1.4.1 1997/12/08 16:07:14 chuck Exp
     35   1.1       mrg  */
     36   1.1       mrg 
     37   1.4     perry #ifndef _UVM_UVM_LOAN_H_
     38   1.4     perry #define _UVM_UVM_LOAN_H_
     39   1.4     perry 
     40   1.7   thorpej #ifdef _KERNEL
     41   1.7   thorpej 
     42   1.1       mrg /*
     43   1.9       chs  * flags for uvm_loan()
     44   1.1       mrg  */
     45   1.1       mrg 
     46   1.1       mrg #define UVM_LOAN_TOANON		0x1		/* loan to anon */
     47   1.1       mrg #define UVM_LOAN_TOPAGE		0x2		/* loan to page */
     48   1.1       mrg 
     49   1.1       mrg /*
     50   1.1       mrg  * loan prototypes
     51   1.1       mrg  */
     52   1.1       mrg 
     53  1.13  junyoung void uvm_loan_init(void);
     54  1.13  junyoung int uvm_loan(struct vm_map *, vaddr_t, vsize_t, void *, int);
     55  1.13  junyoung void uvm_unloan(void *, int, int);
     56  1.13  junyoung int uvm_loanuobjpages(struct uvm_object *, voff_t, int,
     57  1.13  junyoung     struct vm_page **);
     58  1.13  junyoung struct vm_page *uvm_loanbreak(struct vm_page *);
     59   1.7   thorpej 
     60   1.7   thorpej #endif /* _KERNEL */
     61   1.4     perry 
     62   1.4     perry #endif /* _UVM_UVM_LOAN_H_ */
     63