lshw

const (
	// used to refer to the whole machine (laptop, server, desktop computer)
	Systems Class = "system"
	// internal bus converter (PCI-to-PCI brige, AGP bridge, PCMCIA controler, host bridge)
	Bridge Class = "bridge"
	// memory bank that can contain data, executable code, etc.
	// RAM, BIOS, firmware, extension ROM
	Memory Class = "memory"
	// execution processor	 (CPUs, RAID controller on a SCSI bus)
	Processor Class = "processor"
	// memory address range extension ROM, video memory
	Address Class = "address"
	// storage controller	(SCSI controller, IDE controller)
	Storage Class = "storage"
	// random-access storage device discs, optical storage (CD-ROM, DVD±RW...)
	Disk Class = "disk"
	// sequential-access storage device (DAT, DDS)
	Tape Class = "tape"
	// device-connecting bus (USB, SCSI, Firewire)
	Bus Class = "bus"
	// network interface (Ethernet, FDDI, WiFi, Bluetooth)
	Network Class = "network"
	// display adapter (EGA/VGA, UGA...)
	Display Class = "display"
	// user input device (keyboards, mice, joysticks...)
	Input Class = "input"
	// printing device (printer, all-in-one)
	Printer Class = "printer"
	// audio/video device (sound card, TV-output card, video acquisition card)
	Multimedia Class = "multimedia"
	// line communication device (serial ports, modem)
	Communication Class = "communication"
	// energy source (power supply, internal battery)
	Power Class = "power"
	// disk volume	(filesystem, swap, etc.)
	Volume Class = "volume"
	// generic device (used when no pre-defined class is suitable)
	Generic Class = "generic"
	// Print everything
	All Class = "all"
)

const (
	FormatXML     Format = "-xml"     // output hardware tree as XML
	FormatJSON    Format = "-json"    // output hardware tree as JSON
	FormatHTML    Format = "-html"    // output hardware tree as HTML
	FormatShort   Format = "-short"   // output hardware paths
	FormatBusinfo Format = "-businfo" // output bus information
	FormatEmpty   Format = ""
)