projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 | |
| 92d161c3 | 8 | select SCSI_SPI_ATTRS |
| 1da177e4 LT |
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. | |
| 14 | ||
| 15 | To compile this driver as a module, choose M here: the | |
| 16 | module will be called aic7xxx. | |
| 17 | ||
| 18 | config AIC7XXX_CMDS_PER_DEVICE | |
| 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. | |
| 25 | ||
| 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 inidicating this value. | |
| 31 | ||
| 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 higer performance | |
| 36 | on some devices. The upper bound is 253. 0 disables tagged queueing. | |
| 37 | ||
| 38 | Per device tag depth can be controlled via the kernel command line | |
| 39 | "tag_info" option. See drivers/scsi/aic7xxx/README.aic7xxx | |
| 40 | for details. | |
| 41 | ||
| 42 | config AIC7XXX_RESET_DELAY_MS | |
| 43 | int "Initial bus reset delay in milli-seconds" | |
| 44 | depends on SCSI_AIC7XXX | |
| dacee84b | 45 | default "5000" |
| 1da177e4 LT |
46 | ---help--- |
| 47 | The number of milliseconds to delay after an initial bus reset. | |
| 48 | The bus settle delay following all error recovery actions is | |
| 49 | dictated by the SCSI layer and is not affected by this value. | |
| 50 | ||
| dacee84b | 51 | Default: 5000 (5 seconds) |
| 1da177e4 LT |
52 | |
| 53 | config AIC7XXX_PROBE_EISA_VL | |
| 54 | bool "Probe for EISA and VL AIC7XXX Adapters" | |
| 55 | depends on SCSI_AIC7XXX && EISA | |
| 56 | help | |
| 57 | Probe for EISA and VLB Aic7xxx controllers. In many newer systems, | |
| 58 | the invasive probes necessary to detect these controllers can cause | |
| 59 | other devices to fail. For this reason, the non-PCI probe code is | |
| 60 | disabled by default. The current value of this option can be "toggled" | |
| 61 | via the no_probe kernel command line option. | |
| 62 | ||
| 63 | config AIC7XXX_BUILD_FIRMWARE | |
| 64 | bool "Build Adapter Firmware with Kernel Build" | |
| 65 | depends on SCSI_AIC7XXX && !PREVENT_FIRMWARE_BUILD | |
| 66 | help | |
| 67 | This option should only be enabled if you are modifying the firmware | |
| 68 | source to the aic7xxx driver and wish to have the generated firmware | |
| 69 | include files updated during a normal kernel build. The assembler | |
| 70 | for the firmware requires lex and yacc or their equivalents, as well | |
| 71 | as the db v1 library. You may have to install additional packages | |
| 72 | or modify the assembler Makefile or the files it includes if your | |
| 73 | build environment is different than that of the author. | |
| 74 | ||
| 75 | config AIC7XXX_DEBUG_ENABLE | |
| 76 | bool "Compile in Debugging Code" | |
| 77 | depends on SCSI_AIC7XXX | |
| 78 | default y | |
| 79 | help | |
| 80 | Compile in aic7xxx debugging code that can be useful in diagnosing | |
| 81 | driver errors. | |
| 82 | ||
| 83 | config AIC7XXX_DEBUG_MASK | |
| 84 | int "Debug code enable mask (2047 for all debugging)" | |
| 85 | depends on SCSI_AIC7XXX | |
| 86 | default "0" | |
| 87 | help | |
| 88 | Bit mask of debug options that is only valid if the | |
| 5637a2ee | 89 | CONFIG_AIC7XXX_DEBUG_ENABLE option is enabled. The bits in this mask |
| 1da177e4 LT |
90 | are defined in the drivers/scsi/aic7xxx/aic7xxx.h - search for the |
| 91 | variable ahc_debug in that file to find them. | |
| 92 | ||
| 93 | config AIC7XXX_REG_PRETTY_PRINT | |
| 94 | bool "Decode registers during diagnostics" | |
| 95 | depends on SCSI_AIC7XXX | |
| 96 | default y | |
| 97 | help | |
| 98 | Compile in register value tables for the output of expanded register | |
| 99 | contents in diagnostics. This make it much easier to understand debug | |
| 100 | output without having to refer to a data book and/or the aic7xxx.reg | |
| 101 | file. |