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aic7xxx
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Kconfig.aic7xxx

Kconfig.aic7xxx 4.0 KB
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  1. #
    2. 

  2. # AIC7XXX and AIC79XX 2.5.X Kernel configuration File.
    3. 

  3. # $Id: //depot/linux-aic79xx-2.5.0/drivers/scsi/aic7xxx/Kconfig.aic7xxx#7 $
    4. 

  4. #
    5. 

  5. config SCSI_AIC7XXX
    6. 

  6. 	tristate "Adaptec AIC7xxx Fast -> U160 support (New Driver)"
    7. 

  7. 	depends on (PCI || EISA) && SCSI
    8. 

  8. 	select SCSI_SPI_ATTRS
    9. 

  9. 	---help---
    10. 

  10. 	This driver supports all of Adaptec's Fast through Ultra 160 PCI
    11. 

  11. 	based SCSI controllers as well as the aic7770 based EISA and VLB
    12. 

  12. 	SCSI controllers (the 274x and 284x series).  For AAA and ARO based
    13. 

  13. 	configurations, only SCSI functionality is provided.
    14. 

  14. 

  15. 	To compile this driver as a module, choose M here: the
    16. 

  16. 	module will be called aic7xxx.
    17. 

  17. 

  18. config AIC7XXX_CMDS_PER_DEVICE
    19. 

  19. 	int "Maximum number of TCQ commands per device"
    20. 

  20. 	depends on SCSI_AIC7XXX
    21. 

  21. 	default "32"
    22. 

  22. 	---help---
    23. 

  23. 	Specify the number of commands you would like to allocate per SCSI
    24. 

  24. 	device when Tagged Command Queueing (TCQ) is enabled on that device.
    25. 

  25. 

  26. 	This is an upper bound value for the number of tagged transactions
    27. 

  27. 	to be used for any device.  The aic7xxx driver will automatically
    28. 

  28. 	vary this number based on device behavior.  For devices with a
    29. 

  29. 	fixed maximum, the driver will eventually lock to this maximum
    30. 

  30. 	and display a console message indicating this value.
    31. 

  31. 

  32. 	Due to resource allocation issues in the Linux SCSI mid-layer, using
    33. 

  33. 	a high number of commands per device may result in memory allocation
    34. 

  34. 	failures when many devices are attached to the system.  For this reason,
    35. 

  35. 	the default is set to 32.  Higher values may result in higher performance
    36. 

  36. 	on some devices.  The upper bound is 253.  0 disables tagged queueing.
    37. 

  37. 

  38. 	Per device tag depth can be controlled via the kernel command line
    39. 

  39. 	"tag_info" option.  See drivers/scsi/aic7xxx/README.aic7xxx
    40. 

  40. 	for details.
    41. 

  41. 

  42. config AIC7XXX_RESET_DELAY_MS
    43. 

  43. 	int "Initial bus reset delay in milli-seconds"
    44. 

  44. 	depends on SCSI_AIC7XXX
    45. 

  45. 	default "5000"
    46. 

  46. 	---help---
    47. 

  47. 	The number of milliseconds to delay after an initial bus reset.
    48. 

  48. 	The bus settle delay following all error recovery actions is
    49. 

  49. 	dictated by the SCSI layer and is not affected by this value.
    50. 

  50. 

  51. 	Default: 5000 (5 seconds)
    52. 

  52. 

  53. config AIC7XXX_PROBE_EISA_VL
    54. 

  54. 	bool "Probe for EISA and VL AIC7XXX Adapters"
    55. 

  55. 	depends on SCSI_AIC7XXX && EISA
    56. 

  56. 	help
    57. 

  57. 	Probe for EISA and VLB Aic7xxx controllers.  In many newer systems,
    58. 

  58. 	the invasive probes necessary to detect these controllers can cause
    59. 

  59. 	other devices to fail.  For this reason, the non-PCI probe code is
    60. 

  60. 	disabled by default.  The current value of this option can be "toggled"
    61. 

  61. 	via the no_probe kernel command line option.
    62. 

  62. 

  63. config AIC7XXX_BUILD_FIRMWARE
    64. 

  64. 	bool "Build Adapter Firmware with Kernel Build"
    65. 

  65. 	depends on SCSI_AIC7XXX && !PREVENT_FIRMWARE_BUILD
    66. 

  66. 	help
    67. 

  67. 	This option should only be enabled if you are modifying the firmware
    68. 

  68. 	source to the aic7xxx driver and wish to have the generated firmware
    69. 

  69. 	include files updated during a normal kernel build.  The assembler
    70. 

  70. 	for the firmware requires lex and yacc or their equivalents, as well
    71. 

  71. 	as the db v1 library.  You may have to install additional packages
    72. 

  72. 	or modify the assembler Makefile or the files it includes if your
    73. 

  73. 	build environment is different than that of the author.
    74. 

  74. 

  75. config AIC7XXX_DEBUG_ENABLE
    76. 

  76. 	bool "Compile in Debugging Code"
    77. 

  77. 	depends on SCSI_AIC7XXX
    78. 

  78. 	default y
    79. 

  79. 	help
    80. 

  80. 	Compile in aic7xxx debugging code that can be useful in diagnosing
    81. 

  81. 	driver errors.
    82. 

  82. 

  83. config AIC7XXX_DEBUG_MASK
    84. 

  84.         int "Debug code enable mask (2047 for all debugging)"
    85. 

  85.         depends on SCSI_AIC7XXX
    86. 

  86.         default "0"
    87. 

  87.         help
    88. 

  88. 	Bit mask of debug options that is only valid if the
    89. 

  89. 	CONFIG_AIC7XXX_DEBUG_ENABLE option is enabled.  The bits in this mask
    90. 

  90. 	are defined in the drivers/scsi/aic7xxx/aic7xxx.h - search for the
    91. 

  91. 	variable ahc_debug in that file to find them.
    92. 

  92. 

  93. config AIC7XXX_REG_PRETTY_PRINT
    94. 

  94.         bool "Decode registers during diagnostics"
    95. 

  95.         depends on SCSI_AIC7XXX
    96. 

  96. 	default y
    97. 

  97.         help
    98. 

  98. 	Compile in register value tables for the output of expanded register
    99. 

  99. 	contents in diagnostics.  This make it much easier to understand debug
    100. 

  100. 	output without having to refer to a data book and/or the aic7xxx.reg
    101. 

  101. 	file.
    102.