PCICTL(8) BSD System Manager's Manual PCICTL(8)NAME
pcictl -- a program to manipulate the PCI bus
SYNOPSIS
pcictl pcibus command [arg [...]]
DESCRIPTION
pcictl allows a user or system administrator to access various resources on a PCI bus.
The following commands are available:
list [-n] [-b bus] [-d device] [-f function]
List the devices in the PCI domain, either as names or, if -n is given, as numbers. The bus, device, and function numbers may be specified
by flags. Any locator not specified defaults to a wildcard, or may be explicitly wildcarded by specifying ``any''.
dump [-b bus] -d device [-f function]
Dump the PCI configuration space for the specified device located at the specified bus, device, and function. If the bus is not specified,
it defaults to the bus number of the PCI bus specified on the command line. If the function is not specified, it defaults to 0.
FILES
/dev/pci* - PCI bus device nodes
SEE ALSO pci(3), pci(4), drvctl(8)HISTORY
The pcictl command first appeared in NetBSD 1.6.
BSD February 25, 2011 BSD
Check Out this Related Man Page
PCITWEAK(1) General Commands Manual PCITWEAK(1)NAME
pcitweak - read/write PCI config space
SYNOPSIS
pcitweak -l
pcitweak -r PCI-ID [-b|-h] offset
pcitweak -w PCI-ID [-b|-h] offset value
DESCRIPTION
Pcitweak is a utility that can be used to examine or change registers in the PCI configuration space. On most platforms pcitweak can only
be run by the root user.
OPTIONS -l Probe the PCI buses and print a line for each detected device. Each line contains the bus location (bus:device:function), chip
vendor/device, card (subsystem) vendor/card, revision, class and header type. All values printed are in hexadecimal.
-r PCI-ID
Read the PCI configuration space register at offset for the PCI device at bus location PCI-ID. PCI-ID should be given in the form
bus:device:function, with each value in hexadecimal. By default, a 32-bit register is read.
-w PCI-ID
Write value to the PCI configuration space register at offset for the PCI device at bus location PCI-ID. PCI-ID should be given in
the form bus:device:function, with each value in hexadecimal. By default, a 32-bit register is written.
-b Read or write an 8-bit value (byte).
-h Read or write a 16-bit value (halfword).
SEE ALSO scanpci(1)AUTHORS
David Dawes (dawes@xfree86.org).
XFree86 Version 4.7.0 PCITWEAK(1)
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