E

echo commandReading and Writing the Device

entry points

_fini()

Initializing and Unloading

Defining the Module Unload Entry Point

Writing the Loadable Module Configuration Entry Points

_info()

Device Driver Testing Tips

Defining the Module Information Entry Point

Writing the Loadable Module Configuration Entry Points

Installing a Driver

_init()

Device Driver Testing Tips

Initializing and Unloading

Defining the Module Initialization Entry Point

Writing the Loadable Module Configuration Entry Points

Installing a Driver

attach()

Device Driver Testing Tips

Attaching and Detaching

Defining the Device Attach Entry Point

Writing the Autoconfiguration Entry Points

Installing a Driver

autoconfigurationWriting the Autoconfiguration Entry Points

close()

Opening the Device, Closing the Device, and Getting Module Information

Defining the Close Device Entry Point

Writing the User Context Entry Points

detach()

Attaching and Detaching

Defining the Device Detach Entry Point

Writing the Autoconfiguration Entry Points

Defining the Module Unload Entry Point

devmap()User and Kernel Address Spaces on x86 and SPARC Machines

getinfo()

Opening the Device, Closing the Device, and Getting Module Information

Defining the Get Driver Information Entry Point

Writing the Autoconfiguration Entry Points

ioctl()

Exercising the Driver's I/O Controls

Reporting and Setting Device Size and Re-initializing the Device

Writing New Data

Devices as Files

loadable module configurationWriting the Loadable Module Configuration Entry Points

open()

Opening the Device, Closing the Device, and Getting Module Information

Defining the Open Device Entry Point

Writing the User Context Entry Points

prop_op()

Defining the Report Driver Property Information Entry Point

Writing the Autoconfiguration Entry Points

read()

Reading the Data

Defining the Read Device Entry Point

Writing the User Context Entry Points

user contextWriting the User Context Entry Points

write()

Writing New Data

Defining the Write Device Entry Point

Writing the User Context Entry Points