RHCE - Part 1

BUS support

• PCI Bus
  • /sbin/lspci
  • /proc/bus/pci
• ISA Bus
  • /proc/isapnp
  • Kernel 2.4 --> ISA P'n'P configured by Kernel
  • Kernel 2.2 --> requires isapnptools
  • isapnptools still there for compatibility
• USB Bus -Hotswappable-
  • Controller alias in /etc/modules.conf
  • Hotplug events monitored by khubd internal kernel thread
  • Khubd uses /sbin/hotplug and /etc/hotplug to map drivers to devices
  • Devices provided by virtual filesystem usbdevfs, mounted at /dev/usb
  • More info at /usr/src/kernel/Documentation/usb/
• PCMCIA -Hotswappable-
  • system-specific controller defined in /etc/sysconfig/pcmcia
  • Hotplug events monitored by /sbin/cardmgr daemon
  • Cards can also be identified with (manual) /sbin/cardctl
  • /etc/pcmcia holds configuration files
  • PCMCIA initiated with /etc/init.d/pcmcia script
  • More info in /usr/share/doc/kernel-pcmcia-cs-versionnumber/
• Others
  • Firewire, I2O...