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The PCI Utilities
License: GNU General Public License v2.0
This project forked from pciutils/pciutils
The PCI Utilities
License: GNU General Public License v2.0
This package contains the PCI Utilities, version @VERSION@. Copyright (c) 1997--2022 Martin Mares <[email protected]> All files in this package can be freely distributed and used according to the terms of the GNU General Public License, either version 2 or (at your opinion) any newer version. See https://www.gnu.org/ for details. The author wants to clarify that he does not consider programs which link dynamically to the libpci to be derived works of the library. 1. What's that? ~~~~~~~~~~~~~~~ The PCI Utilities package contains a library for portable access to PCI bus configuration registers and several utilities based on this library. In runs on the following systems: Linux (via /sys/bus/pci, /proc/bus/pci or i386 ports) FreeBSD (via /dev/pci) NetBSD (via libpci) OpenBSD (via /dev/pci) GNU/kFreeBSD (via /dev/pci) Solaris/i386 (direct port access) Aix (via /dev/pci and odmget) GNU Hurd (direct port access) Windows (via cfgmgr32 or direct port access, see README.Windows for caveats) CYGWIN (direct port access) BeOS (via syscalls) Haiku (via /dev/misc/poke) Darwin (via IOKit) DOS/DJGPP (via i386 ports) SylixOS (via /proc/pci) It should be very easy to add support for other systems as well (volunteers wanted; if you want to try that, I'll be very glad to see the patches and include them in the next version). The utilities include: (See manual pages for more details) - lspci: displays detailed information about all PCI buses and devices. - setpci: allows to read from and write to PCI device configuration registers. For example, you can adjust the latency timers with it. CAUTION: There is a couple of dangerous points and caveats, please read the manual page first! - update-pciids: download the current version of the pci.ids file. 2. Compiling and (un)installing ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Just run "make" to compile the package and then "make install" to install it. Please note that a C compiler supporting the C99 standard is required. Also, GNU make is needed on most platforms. If you want to change the default installation location, please override the PREFIX variable specified in the Makefile -- e.g., you can use "make PREFIX=/opt/pciutils install" to create a separate installation not interfering with the rest of your system. Setting the DESTDIR variable will allow you to install to a different directory from the one you intend to eventually run it from. This is useful for people who are packaging pciutils to install on other computers. There are several options which can be set in the Makefile or overridden when running make: ZLIB=yes/no Enable support for compressed pci.ids (requires zlib). If it is enabled, pciutils will use pci.ids.gz in preference to pci.ids, even if the pci.ids file is newer. If the pci.ids.gz file is missing, it will use pci.ids instead. If you do not specify this option, the configure script will try to guess automatically based on the presence of zlib. DNS=yes/no Enable support for querying the central database of PCI IDs using DNS. Requires libresolv (which is available on most systems as a part of the standard libraries) and tries to autodetect its presence if the option is not specified. SHARED=yes/ Build libpci as a shared library. Requires GCC 4.0 or newer. no/local The ABI of the shared library is intended to remain backward compatible for a long time (we use symbol versioning to achieve that, like GNU libc does). The value `local' includes the right directory name in the binaries, so the utilities can be run without installation. This is not recommended for any production builds. "make install-lib" installs the library together with its header files for use by other programs. When you are bored of dumping PCI registers, just use "make uninstall". 3. Getting new IDs ~~~~~~~~~~~~~~~~~~~ The database of PCI IDs (the pci.ids file) gets out of date much faster than I release new versions of this package, so it is maintained separately. It lives at https://pci-ids.ucw.cz/, where you can browse the database, download the most recent pci.ids file (e.g., by running the update-ids utility) and also submit new entries. Alternatively, you can use `lspci -q' to query the central database for new entries via network. The pci.ids file is also mirrored at https://github.com/pciutils/pciids. On Linux systems with a recent enough version of libudev, UDEV's HWDB database is consulted when pci.ids lacks the device. 4. Getting new versions ~~~~~~~~~~~~~~~~~~~~~~~ The current version of pciutils is available at: https://mj.ucw.cz/sw/pciutils/ The tarball can be downloaded at the following places: https://mj.ucw.cz/download/linux/pci/ ftp://ftp.ucw.cz/pub/mj/linux/pci/ https://www.kernel.org/pub/software/utils/pciutils/ (expect a couple of hours delay) There is also a public GIT tree at: https://git.kernel.org/pub/scm/utils/pciutils/pciutils.git https://github.com/pciutils/pciutils 5. Using the library ~~~~~~~~~~~~~~~~~~~~ So far, there is only a little documentation for the library except for the general introduction in the pcilib(7) man page. If you want to use the library in your programs, please follow the comments in lib/pci.h and in the example program example.c. 6. Feedback ~~~~~~~~~~~ If you have any bug reports or suggestions, send them to the author. If you have any new IDs, I'll be very glad to add them to the database. Just submit them at https://pci-ids.ucw.cz/. Announcements of new versions are sent to [email protected] (see http://vger.kernel.org/ for instructions). Have fun Martin
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