I8042prt Callback Routines
This section describes the callback routines that I8042prt supports:
Callbacks that an upper-level keyboard filter driver can provide to supplement the operation of I8042prt:
Callbacks that an upper-level mouse filter driver can provide to supplement the operation of I8042prt:
Callbacks that I8042prt provides that an upper-level filter drivers can use:
I8042prt uses IOCTL_INTERNAL_I8042_HOOK_KEYBOARD and IOCTL_INTERNAL_I8042_HOOK_KEYBOARD requests to add, or hook, the filter driver callbacks into the operation of I8042prt. A hook request also passes pointers to the I8042prt keyboard callbacks to the filter driver.