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  1 #
  2 # AIC7XXX and AIC79XX 2.5.X Kernel configuration File.
  3 # $Id: //depot/linux-aic79xx-2.5.0/drivers/scsi/aic7xxx/Kconfig.aic7xxx#7 $
  4 #
  5 config SCSI_AIC7XXX
  6         tristate "Adaptec AIC7xxx Fast -> U160 support (New Driver)"
  7         depends on (PCI || EISA) && SCSI
  8         select SCSI_SPI_ATTRS
  9         ---help---
 10         This driver supports all of Adaptec's Fast through Ultra 160 PCI
 11         based SCSI controllers as well as the aic7770 based EISA and VLB
 12         SCSI controllers (the 274x and 284x series).  For AAA and ARO based
 13         configurations, only SCSI functionality is provided.
 15         To compile this driver as a module, choose M here: the
 16         module will be called aic7xxx.
 19         int "Maximum number of TCQ commands per device"
 20         depends on SCSI_AIC7XXX
 21         default "32"
 22         ---help---
 23         Specify the number of commands you would like to allocate per SCSI
 24         device when Tagged Command Queueing (TCQ) is enabled on that device.
 26         This is an upper bound value for the number of tagged transactions
 27         to be used for any device.  The aic7xxx driver will automatically
 28         vary this number based on device behavior.  For devices with a
 29         fixed maximum, the driver will eventually lock to this maximum
 30         and display a console message indicating this value.
 32         Due to resource allocation issues in the Linux SCSI mid-layer, using
 33         a high number of commands per device may result in memory allocation
 34         failures when many devices are attached to the system.  For this reason,
 35         the default is set to 32.  Higher values may result in higher performance
 36         on some devices.  The upper bound is 253.  0 disables tagged queueing.
 38         Per device tag depth can be controlled via the kernel command line
 39         "tag_info" option.  See Documentation/scsi/aic7xxx.txt for details.
 42         int "Initial bus reset delay in milli-seconds"
 43         depends on SCSI_AIC7XXX
 44         default "5000"
 45         ---help---
 46         The number of milliseconds to delay after an initial bus reset.
 47         The bus settle delay following all error recovery actions is
 48         dictated by the SCSI layer and is not affected by this value.
 50         Default: 5000 (5 seconds)
 53         bool "Build Adapter Firmware with Kernel Build"
 54         depends on SCSI_AIC7XXX && !PREVENT_FIRMWARE_BUILD
 55         help
 56         This option should only be enabled if you are modifying the firmware
 57         source to the aic7xxx driver and wish to have the generated firmware
 58         include files updated during a normal kernel build.  The assembler
 59         for the firmware requires lex and yacc or their equivalents, as well
 60         as the db v1 library.  You may have to install additional packages
 61         or modify the assembler Makefile or the files it includes if your
 62         build environment is different than that of the author.
 65         bool "Compile in Debugging Code"
 66         depends on SCSI_AIC7XXX
 67         default y
 68         help
 69         Compile in aic7xxx debugging code that can be useful in diagnosing
 70         driver errors.
 73         int "Debug code enable mask (2047 for all debugging)"
 74         depends on SCSI_AIC7XXX
 75         default "0"
 76         help
 77         Bit mask of debug options that is only valid if the
 78         CONFIG_AIC7XXX_DEBUG_ENABLE option is enabled.  The bits in this mask
 79         are defined in the drivers/scsi/aic7xxx/aic7xxx.h - search for the
 80         variable ahc_debug in that file to find them.
 83         bool "Decode registers during diagnostics"
 84         depends on SCSI_AIC7XXX
 85         default y
 86         help
 87         Compile in register value tables for the output of expanded register
 88         contents in diagnostics.  This make it much easier to understand debug
 89         output without having to refer to a data book and/or the aic7xxx.reg
 90         file.

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