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uvm
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uvm_swap.h

uvm_swap.h 2.2 KB
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  1. /*	$OpenBSD: uvm_swap.h,v 1.16 2013/11/05 06:02:45 deraadt Exp $	*/
    2. 

  2. /*	$NetBSD: uvm_swap.h,v 1.5 2000/01/11 06:57:51 chs Exp $	*/
    3. 

  3. 

  4. /*
    5. 

  5.  * Copyright (c) 1997 Matthew R. Green
    6. 

  6.  * All rights reserved.
    7. 

  7.  *
    8. 

  8.  * Redistribution and use in source and binary forms, with or without
    9. 

  9.  * modification, are permitted provided that the following conditions
    10. 

  10.  * are met:
    11. 

  11.  * 1. Redistributions of source code must retain the above copyright
    12. 

  12.  *    notice, this list of conditions and the following disclaimer.
    13. 

  13.  * 2. Redistributions in binary form must reproduce the above copyright
    14. 

  14.  *    notice, this list of conditions and the following disclaimer in the
    15. 

  15.  *    documentation and/or other materials provided with the distribution.
    16. 

  16.  * 3. The name of the author may not be used to endorse or promote products
    17. 

  17.  *    derived from this software without specific prior written permission.
    18. 

  18.  *
    19. 

  19.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
    20. 

  20.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    21. 

  21.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
    22. 

  22.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
    23. 

  23.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
    24. 

  24.  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
    25. 

  25.  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
    26. 

  26.  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    27. 

  27.  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    28. 

  28.  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    29. 

  29.  * SUCH DAMAGE.
    30. 

  30.  *
    31. 

  31.  * from: Id: uvm_swap.h,v 1.1.2.6 1997/12/15 05:39:31 mrg Exp
    32. 

  32.  */
    33. 

  33. 

  34. #ifndef _UVM_UVM_SWAP_H_
    35. 

  35. #define _UVM_UVM_SWAP_H_
    36. 

  36. 

  37. #define	SWSLOT_BAD	(-1)
    38. 

  38. 

  39. #ifdef _KERNEL
    40. 

  40. 

  41. int			uvm_swap_get(struct vm_page *, int, int);
    42. 

  42. int			uvm_swap_put(int, struct vm_page **, int, int);
    43. 

  43. int			uvm_swap_alloc(int *, boolean_t);
    44. 

  44. void			uvm_swap_free(int, int);
    45. 

  45. void			uvm_swap_markbad(int, int);
    46. 

  46. void			uvm_swap_freepages(struct vm_page **, int);
    47. 

  47. #ifdef HIBERNATE
    48. 

  48. int			uvm_hibswap(dev_t, u_long *, u_long *);
    49. 

  49. #endif /* HIBERNATE */
    50. 

  50. #ifdef UVM_SWAP_ENCRYPT
    51. 

  51. void			uvm_swap_initcrypt_all(void);
    52. 

  52. void			uvm_swap_finicrypt_all(void);
    53. 

  53. #endif
    54. 

  54. 

  55. #endif /* _KERNEL */
    56. 

  56. 

  57. #endif /* _UVM_UVM_SWAP_H_ */
    58. 

  58.