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License: GNU General Public License v2.0
My public hwinfo repository
License: GNU General Public License v2.0
See hwinfo man page for general usage instructions. This document describes some legacy features and the "hwprobe" environment variable. 1. Legacy ========= *** Note: please do not do this, this is only kept to assist debugging. *** Legacy mode is activated when no option starting with "--" is given. In this case hwinfo works as follows: hwinfo [debug=deb_flag] [log=log_file] [list[+]=hw_item] [[+|-]probe_option1] [[+|-]probe_option2] ... Examples: hwinfo - probes for nearly everything hwinfo +all - probes for everything hwinfo log=hw_log - default probing, output is written to hw_log *** Please don't use "hwinfo >some_log 2>&1" to store the output into a log file! *** hwinfo -all +pci +int - probe for pci devices Note that "int" should almost always be active. Some probing flags do not stand for complete modules but enable additional features; e.g. "bios.vesa" or "block.cdrom". Example: hwinfo -all +block +int gives a list of all block devs hwinfo -all +block.cdrom +int additionally reads the iso9660 info The list of supported flags varies from version to version. To get a list of the actual set of probing flags, call "hwinfo -all" and look at the top of the log. 2. Environment variable/kernel cmdline parameter ================================================ You can control the hardware probing using the environment variable "hwprobe" and the kernel cmdline parameter "hwprobe". If "hwprobe" is set on the kernel cmdline, the environment variable "hwprobe" is ignored. Otherwise, the meaning of both is exactly the same. hwprobe - Controls which probing flags should *always* be set/cleared. (These settings *cannot* be overridden by command line switches.) Examples: hwprobe=-isapnp o *never* do any isapnp probing hwprobe=-braille,-modem o don't look for braille displays & modems - Allows you to add and remove hardware from the probing results. In this case the syntax is (-: remove, +: add at end of list, <nothing>: add at begin of list): hwprobe=[+-]<device_class>:<vendor_id>:<device_id>[:<unix_device_file>] <device_class>, <vendor_id> and <device_id> are device ids as used by libhd. See the output of hwinfo for examples. In connection with "-", you can use "*" as a placeholder that matches every id. Note: <unix_device_file> is optional. Note2: you cannot usefully *add* hardware that needs more info than that given by the hwprobe entry. Disks & floppies are notable examples. (But you can *remove* them.) Here is a typical hwinfo output for a mouse, with the relevant ids underlined (<device_class> is the combined base_class & sub_class), [see 1st example below]: 14: PS/2 00.0: 10500 PS/2 Mouse ^^^^^ --> <device_class> [Created at mouse.110] Vendor: s0200 "Unknown" ^^^^^ --> <vendor_id> Model: 0002 "Generic PS/2 Mouse" ^^^^ --> <device_id> Device File: /dev/psaux ^^^^^^^^^^ --> <unix_device_file> Driver Info #0: XFree86 Protocol: ps/2 GPM Protocol: ps2 Attached to: #8 (PS/2 Controller) Examples: hwprobe=+10500:s200:2:/dev/psaux o add a ps/2 mouse [at the end of the hardware list] hwprobe=10500:s200:2:/dev/psaux o add a ps/2 mouse [at the start of the hardware list, so it is our default mouse] hwprobe=+10b00:s5001:0:/dev/ttyS0 o add a braille display connected to /dev/ttyS0 hwprobe=-10500:s200:2:/dev/psaux o remove ps/2 mice attached to /dev/psaux hwprobe=-10500:s200:2 o remove all ps/2 mice hwprobe=-10500:*:* o remove all ps/2 mice hwprobe=-*:*:*:/dev/hdc o remove /dev/hdc hwprobe=+401:1274:5000 o add an ensoniq sound card Grafics cards are are slightly trickier: hwprobe=+300:1014:b7 o add a Fire GL1 card Note: this way you'll get a multihead config. You'll probably rather want the following example. hwprobe=-300:*:*,+300:1014:b7 o remove all graphics cards; then add a Fire GL1 card hwprobe=+400:121a:1 o add a 3fx voodoo card (Note the class "400", not "300"!) - for more ids, see "src/ids/names.*" and "src/ids/drivers.*"
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