/arch/s390/kernel/compat_ioctl.c

https://bitbucket.org/evzijst/gittest · C · 73 lines · 48 code · 10 blank · 15 comment · 2 complexity · c8b7a20048f827c0e829cace0e44b926 MD5 · raw file 

    

  1. /*
    2. 

  2.  * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
    3. 

  3.  *
    4. 

  4.  *  S390 version
    5. 

  5.  *    Copyright (C) 2000-2003 IBM Deutschland Entwicklung GmbH, IBM Corporation
    6. 

  6.  *    Author(s): Gerhard Tonn (ton@de.ibm.com)
    7. 

  7.  *               Arnd Bergmann (arndb@de.ibm.com)
    8. 

  8.  *
    9. 

  9.  * Original implementation from 32-bit Sparc compat code which is
    10. 

  10.  * Copyright (C) 2000 Silicon Graphics, Inc.
    11. 

  11.  * Written by Ulf Carlsson (ulfc@engr.sgi.com) 
    12. 

  12.  */
    13. 

  13. 

  14. #include "compat_linux.h"
    15. 

  15. #define INCLUDES
    16. 

  16. #define CODE
    17. 

  17. #include "../../../fs/compat_ioctl.c"
    18. 

  18. #include <asm/dasd.h>
    19. 

  19. #include <asm/tape390.h>
    20. 

  20. 

  21. static int do_ioctl32_pointer(unsigned int fd, unsigned int cmd,
    22. 

  22. 				unsigned long arg, struct file *f)
    23. 

  23. {
    24. 

  24. 	return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg));
    25. 

  25. }
    26. 

  26. 

  27. static int do_ioctl32_ulong(unsigned int fd, unsigned int cmd,
    28. 

  28. 				unsigned long arg, struct file *f)
    29. 

  29. {
    30. 

  30. 	return sys_ioctl(fd, cmd, arg);
    31. 

  31. }
    32. 

  32. 

  33. #define COMPATIBLE_IOCTL(cmd)		HANDLE_IOCTL((cmd),(ioctl_trans_handler_t)do_ioctl32_pointer)
    34. 

  34. #define ULONG_IOCTL(cmd)		HANDLE_IOCTL((cmd),(ioctl_trans_handler_t)do_ioctl32_ulong)
    35. 

  35. #define HANDLE_IOCTL(cmd,handler)	{ (cmd), (ioctl_trans_handler_t)(handler), NULL },
    36. 

  36. 

  37. struct ioctl_trans ioctl_start[] = {
    38. 

  38. /* architecture independent ioctls */
    39. 

  39. #include <linux/compat_ioctl.h>
    40. 

  40. #define DECLARES
    41. 

  41. #include "../../../fs/compat_ioctl.c"
    42. 

  42. 

  43. /* s390 only ioctls */
    44. 

  44. #if defined(CONFIG_DASD) || defined(CONFIG_DASD_MODULE)
    45. 

  45. COMPATIBLE_IOCTL(DASDAPIVER)
    46. 

  46. COMPATIBLE_IOCTL(BIODASDDISABLE)
    47. 

  47. COMPATIBLE_IOCTL(BIODASDENABLE)
    48. 

  48. COMPATIBLE_IOCTL(BIODASDRSRV)
    49. 

  49. COMPATIBLE_IOCTL(BIODASDRLSE)
    50. 

  50. COMPATIBLE_IOCTL(BIODASDSLCK)
    51. 

  51. COMPATIBLE_IOCTL(BIODASDINFO)
    52. 

  52. COMPATIBLE_IOCTL(BIODASDINFO2)
    53. 

  53. COMPATIBLE_IOCTL(BIODASDFMT)
    54. 

  54. COMPATIBLE_IOCTL(BIODASDPRRST)
    55. 

  55. COMPATIBLE_IOCTL(BIODASDQUIESCE)
    56. 

  56. COMPATIBLE_IOCTL(BIODASDRESUME)
    57. 

  57. COMPATIBLE_IOCTL(BIODASDPRRD)
    58. 

  58. COMPATIBLE_IOCTL(BIODASDPSRD)
    59. 

  59. COMPATIBLE_IOCTL(BIODASDGATTR)
    60. 

  60. COMPATIBLE_IOCTL(BIODASDSATTR)
    61. 

  61. 

  62. #endif
    63. 

  63. 

  64. #if defined(CONFIG_S390_TAPE) || defined(CONFIG_S390_TAPE_MODULE)
    65. 

  65. COMPATIBLE_IOCTL(TAPE390_DISPLAY)
    66. 

  66. #endif
    67. 

  67. 

  68. /* s390 doesn't need handlers here */
    69. 

  69. COMPATIBLE_IOCTL(TIOCGSERIAL)
    70. 

  70. COMPATIBLE_IOCTL(TIOCSSERIAL)
    71. 

  71. };
    72. 

  72. 

  73. int ioctl_table_size = ARRAY_SIZE(ioctl_start);
    74.