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author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-17 02:20:36 +0400 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-17 02:20:36 +0400 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /drivers/scsi/aic7xxx/Kconfig.aic79xx | |
download | linux-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.xz |
Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'drivers/scsi/aic7xxx/Kconfig.aic79xx')
-rw-r--r-- | drivers/scsi/aic7xxx/Kconfig.aic79xx | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/drivers/scsi/aic7xxx/Kconfig.aic79xx b/drivers/scsi/aic7xxx/Kconfig.aic79xx new file mode 100644 index 000000000000..c2523a30a7f5 --- /dev/null +++ b/drivers/scsi/aic7xxx/Kconfig.aic79xx @@ -0,0 +1,97 @@ +# +# AIC79XX 2.5.X Kernel configuration File. +# $Id: //depot/linux-aic79xx-2.5.0/drivers/scsi/aic7xxx/Kconfig.aic79xx#4 $ +# +config SCSI_AIC79XX + tristate "Adaptec AIC79xx U320 support" + depends on PCI && SCSI + help + This driver supports all of Adaptec's Ultra 320 PCI-X + based SCSI controllers. + +config AIC79XX_CMDS_PER_DEVICE + int "Maximum number of TCQ commands per device" + depends on SCSI_AIC79XX + default "32" + ---help--- + Specify the number of commands you would like to allocate per SCSI + device when Tagged Command Queueing (TCQ) is enabled on that device. + + This is an upper bound value for the number of tagged transactions + to be used for any device. The aic7xxx driver will automatically + vary this number based on device behavior. For devices with a + fixed maximum, the driver will eventually lock to this maximum + and display a console message inidicating this value. + + Due to resource allocation issues in the Linux SCSI mid-layer, using + a high number of commands per device may result in memory allocation + failures when many devices are attached to the system. For this reason, + the default is set to 32. Higher values may result in higer performance + on some devices. The upper bound is 253. 0 disables tagged queueing. + + Per device tag depth can be controlled via the kernel command line + "tag_info" option. See drivers/scsi/aic7xxx/README.aic79xx + for details. + +config AIC79XX_RESET_DELAY_MS + int "Initial bus reset delay in milli-seconds" + depends on SCSI_AIC79XX + default "15000" + ---help--- + The number of milliseconds to delay after an initial bus reset. + The bus settle delay following all error recovery actions is + dictated by the SCSI layer and is not affected by this value. + + Default: 15000 (15 seconds) + +config AIC79XX_BUILD_FIRMWARE + bool "Build Adapter Firmware with Kernel Build" + depends on SCSI_AIC79XX && !PREVENT_FIRMWARE_BUILD + help + This option should only be enabled if you are modifying the firmware + source to the aic79xx driver and wish to have the generated firmware + include files updated during a normal kernel build. The assembler + for the firmware requires lex and yacc or their equivalents, as well + as the db v1 library. You may have to install additional packages + or modify the assembler Makefile or the files it includes if your + build environment is different than that of the author. + +config AIC79XX_ENABLE_RD_STRM + bool "Enable Read Streaming for All Targets" + depends on SCSI_AIC79XX + default n + help + Read Streaming is a U320 protocol option that should enhance + performance. Early U320 drive firmware actually performs slower + with read streaming enabled so it is disabled by default. Read + Streaming can be configured in much the same way as tagged queueing + using the "rd_strm" command line option. See + drivers/scsi/aic7xxx/README.aic79xx for details. + +config AIC79XX_DEBUG_ENABLE + bool "Compile in Debugging Code" + depends on SCSI_AIC79XX + default y + help + Compile in aic79xx debugging code that can be useful in diagnosing + driver errors. + +config AIC79XX_DEBUG_MASK + int "Debug code enable mask (16383 for all debugging)" + depends on SCSI_AIC79XX + default "0" + help + Bit mask of debug options that is only valid if the + CONFIG_AIC79XX_DEBUG_ENBLE option is enabled. The bits in this mask + are defined in the drivers/scsi/aic7xxx/aic79xx.h - search for the + variable ahd_debug in that file to find them. + +config AIC79XX_REG_PRETTY_PRINT + bool "Decode registers during diagnostics" + depends on SCSI_AIC79XX + default y + help + Compile in register value tables for the output of expanded register + contents in diagnostics. This make it much easier to understand debug + output without having to refer to a data book and/or the aic7xxx.reg + file. |