man/man4m/usbkbm.4m

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 USBKBM 4M "May 13, 2017"
 NAME
usbkbm - keyboard STREAMS module for Sun USB Keyboard
 SYNOPSIS


open("/dev/kbd", O_RDWR)


 DESCRIPTION

The usbkbm STREAMS module processes byte streams generated by a
keyboard attached to a USB port. USB keyboard is a member of
Human Interface Device (HID) Class, and usbkbm only supports the keyboard
protocol defined in the specification. Definitions for altering keyboard
translation and reading events from the keyboard are in <sys/kbio.h> and
<sys/kbd.h>.

The usbkbm STREAMS module adheres to the interfaces exported by
kb(4M). Refer to the DESCRIPTION section of kb(4M) for a
discussion of the keyboard translation modes and the IOCTL section for
the supported ioctl(2) requests.
 "IOCTLS"

USB Keyboard usbkbm returns different values for the following
ioctls than kb(4M):
KIOCTYPE

This ioctl() returns a new keyboard type defined for the USB
keyboard. All types are listed below:


KB_SUN3 Sun Type 3 keyboard
KB_SUN4 Sun Type 4 keyboard
KB_ASCII ASCII terminal masquerading as keyboard
KB_PC Type 101 PC keyboard
KB_USB USB keyboard


The USB keyboard type is KB_USB; usbkbm will return
KB_USB in response to the KIOCTYPE ioctl.
KIOCLAYOUT

The argument is a pointer to an int. The layout code specified by the
bCountryCode value returned in the HID descriptor is returned in
the int pointed to by the argument. The countrycodes are defined in 6.2.1
of the HID 1.0 specifications.


KIOCCMD

KBD_CMD_CLICK/KBD_CMD_NOCLICK

The kb(4M) indicates that inappropriate commands for particular keyboards
are ignored. Because clicking is not supported on the USB keyboard,
usbkbm ignores this command


KBD_CMD_SETLED

Set keyboard LEDs. Same as kb(4M).


KBD_CMD_GETLAYOUT

The country codes defined in 6.2.1 of the HID 1.0 specification are
returned.


KBD_CMD_BELL/KBD_CMD_NOBELL

This command is supported although the USB keyboard does not have a
buzzer. The request for the bell is rerouted.


KBD_CMD_RESET

There is no notion of resetting the keyboard as there is for the type4
keyboard. usbkbm ignores this command and does not return an error.


 FILES
/kernel/strmod/usbkbm

32-bit ELF kernel STREAMS module (x86 platform only)


/kernel/strmod/sparcv9/usbkbm

SPARC 64-bit ELF kernel STREAMS module


 ATTRIBUTES

See attributes(7) for a description of the following attributes:


ATTRIBUTE TYPE ATTRIBUTE VALUE
Architecture PCI-based systems


 SEE ALSO

 dumpkeys (1),  kbd (1),  loadkeys (1),  ioctl (2),  hid (4D),  usba (4D),  virtualkm (4D),  kb (4M),  keytables (5),  attributes (7)
STREAMS Programming Guide

System Administration Guide: Basic Administration
 DIAGN0STICS

None