(D2) - Driver entry point routines
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(D2) - Driver entry point routines
Intro
introduction to driver entry point routines
biostart
start an I/O transfer
chpoll
poll entry point for a non-STREAMS character device driver
close
relinquish access to a device
config
inform drivers of hardware device instances to be managed
devinfo
obtain information about a device
drvctl
handle custom I/O operations from another driver
halt
shut down the driver when the system shuts down
init
initialize a static device driver
intr
process a device interrupt
ioctl
perform device-specific control functions
_load
initialize a loadable driver
mmap
support virtual mapping for memory-mapped device
open
gain access to a device
read
read data from a character device
size
return size of logical block device
start
initialize a static device driver (with interrupts enabled)
strategy
start an old-style block I/O transfer
_unload
prepare to unload a driver
_verify
verify that driver supports a particular device
write
write data to a character device
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OpenServer 6 and UnixWare (SVR5) HDK - June 2005