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drivers
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scsi
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ultrastor.h

ultrastor.h 2.0 KB
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  1. /*
    2. 

  2.  *	ultrastor.c	(C) 1991 David B. Gentzel
    3. 

  3.  *	Low-level scsi driver for UltraStor 14F
    4. 

  4.  *	by David B. Gentzel, Whitfield Software Services, Carnegie, PA
    5. 

  5.  *	    (gentzel@nova.enet.dec.com)
    6. 

  6.  *  scatter/gather added by Scott Taylor (n217cg@tamuts.tamu.edu)
    7. 

  7.  *  24F support by John F. Carr (jfc@athena.mit.edu)
    8. 

  8.  *    John's work modified by Caleb Epstein (cae@jpmorgan.com) and 
    9. 

  9.  *    Eric Youngdale (eric@tantalus.nrl.navy.mil).
    10. 

  10.  *	Thanks to UltraStor for providing the necessary documentation
    11. 

  11.  */
    12. 

  12. 

  13. #ifndef _ULTRASTOR_H
    14. 

  14. #define _ULTRASTOR_H
    15. 

  15. 

  16. static int ultrastor_detect(struct scsi_host_template *);
    17. 

  17. static const char *ultrastor_info(struct Scsi_Host *shpnt);
    18. 

  18. static int ultrastor_queuecommand(struct Scsi_Host *, struct scsi_cmnd *);
    19. 

  19. static int ultrastor_abort(struct scsi_cmnd *);
    20. 

  20. static int ultrastor_host_reset(struct scsi_cmnd *);
    21. 

  21. static int ultrastor_biosparam(struct scsi_device *, struct block_device *,
    22. 

  22. 				sector_t, int *);
    23. 

  23. 

  24. 

  25. #define ULTRASTOR_14F_MAX_SG 16
    26. 

  26. #define ULTRASTOR_24F_MAX_SG 33
    27. 

  27. 

  28. #define ULTRASTOR_MAX_CMDS_PER_LUN 5
    29. 

  29. #define ULTRASTOR_MAX_CMDS 16
    30. 

  30. 

  31. #define ULTRASTOR_24F_PORT 0xC80
    32. 

  32. 

  33. 

  34. #ifdef ULTRASTOR_PRIVATE
    35. 

  35. 

  36. #define UD_ABORT	0x0001
    37. 

  37. #define UD_COMMAND	0x0002
    38. 

  38. #define UD_DETECT	0x0004
    39. 

  39. #define UD_INTERRUPT	0x0008
    40. 

  40. #define UD_RESET	0x0010
    41. 

  41. #define UD_MULTI_CMD	0x0020
    42. 

  42. #define UD_CSIR		0x0040
    43. 

  43. #define UD_ERROR	0x0080
    44. 

  44. 

  45. /* #define PORT_OVERRIDE 0x330 */
    46. 

  46. 

  47. /* Values for the PRODUCT_ID ports for the 14F */
    48. 

  48. #define US14F_PRODUCT_ID_0 0x56
    49. 

  49. #define US14F_PRODUCT_ID_1 0x40		/* NOTE: Only upper nibble is used */
    50. 

  50. 

  51. #define US24F_PRODUCT_ID_0 0x56
    52. 

  52. #define US24F_PRODUCT_ID_1 0x63
    53. 

  53. #define US24F_PRODUCT_ID_2 0x02
    54. 

  54. 

  55. /* Subversion values */
    56. 

  56. #define U14F 0
    57. 

  57. #define U34F 1
    58. 

  58. 

  59. /* MSCP field values */
    60. 

  60. 

  61. /* Opcode */
    62. 

  62. #define OP_HOST_ADAPTER 0x1
    63. 

  63. #define OP_SCSI 0x2
    64. 

  64. #define OP_RESET 0x4
    65. 

  65. 

  66. /* Date Transfer Direction */
    67. 

  67. #define DTD_SCSI 0x0
    68. 

  68. #define DTD_IN 0x1
    69. 

  69. #define DTD_OUT 0x2
    70. 

  70. #define DTD_NONE 0x3
    71. 

  71. 

  72. /* Host Adapter command subcodes */
    73. 

  73. #define HA_CMD_INQUIRY 0x1
    74. 

  74. #define HA_CMD_SELF_DIAG 0x2
    75. 

  75. #define HA_CMD_READ_BUFF 0x3
    76. 

  76. #define HA_CMD_WRITE_BUFF 0x4
    77. 

  77. 

  78. #endif
    79. 

  79. 

  80. #endif
    81.