The Linux Kernel Module Programming Guide
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Index

Symbols

/etc/conf.modules, How Do Modules Get Into The Kernel?
/etc/modules.conf, How Do Modules Get Into The Kernel?
/proc filesystem, The /proc File System
/proc/interrupts, Interrupt Handlers
/proc/kallsyms, Functions available to modules, Name Space, Common Pitfalls
/proc/meminfo, The /proc File System
/proc/modules, How Do Modules Get Into The Kernel?, The /proc File System
2.6 changes, Changes between 2.4 and 2.6
_IO, Talking to Device Files (writes and IOCTLs)
_IOR, Talking to Device Files (writes and IOCTLs)
_IOW, Talking to Device Files (writes and IOCTLs)
_IOWR, Talking to Device Files (writes and IOCTLs)
__exit, Hello World (part 3): The __init and __exit Macros
__init, Hello World (part 3): The __init and __exit Macros
__initdata, Hello World (part 3): The __init and __exit Macros
__initfunction(), Hello World (part 3): The __init and __exit Macros

B

blocking processes, Blocking Processes
blocking, how to avoid, Blocking Processes
bottom half, Interrupt Handlers
busy, Blocking Processes

C

carnivore

large, Common Pitfalls

cleanup_module(), Hello, World (part 1): The Simplest Module

code space, Code space

coffee, Major and Minor Numbers

copy_from_user, Read and Write a /proc File

copy_to_user, Read and Write a /proc File

CPU

multiple, Symmetrical Multi-Processing

crontab, Scheduling Tasks

ctrl-c, Blocking Processes

current task, Replacing printk

D

DEFAULT_MESSAGE_LOGLEVEL, Introducing printk()

defining ioctls, Talking to Device Files (writes and IOCTLs)

device file

character, Character Device Drivers

device files

input to, Talking to Device Files (writes and IOCTLs)

write to, Talking to Device Files (writes and IOCTLs)

E

EAGAIN, Blocking Processes
EINTR, Blocking Processes
ENTRY(system call), System Calls
entry.S, System Calls

F

file, The file structure

filesystem

/proc, The /proc File System

registration, Manage /proc file with standard filesystem

filesystem registration, Manage /proc file with standard filesystem

file_operations, The file_operations Structure

file_operations structure, Manage /proc file with standard filesystem

G

get_user, Read and Write a /proc File

H

handlers

interrupt, Interrupt Handlers

housekeeping, Scheduling Tasks

Hurd, Code space

I

inb, Keyboards on the Intel Architecture

init_module(), Hello, World (part 1): The Simplest Module

inode, The file structure, The /proc File System

inode_operations structure, Manage /proc file with standard filesystem

insmod, Compiling Kernel Modules, System Calls

Intel architecture

keyboard, Keyboards on the Intel Architecture

interrupt 0x80, System Calls

interrupt handlers, Interrupt Handlers

interruptible_sleep_on, Blocking Processes

interrupts

disabling, Common Pitfalls

ioctl, Talking to Device Files (writes and IOCTLs)

defining, Talking to Device Files (writes and IOCTLs)

official assignment, Talking to Device Files (writes and IOCTLs)

K

kernel

versions, Changes between 2.4 and 2.6

kernel versions, Writing Modules for Multiple Kernel Versions

kerneld, How Do Modules Get Into The Kernel?

KERNEL_VERSION, Writing Modules for Multiple Kernel Versions

keyboard, Keyboards on the Intel Architecture

keyboard LEDs

flashing, Flashing keyboard LEDs

kmod, How Do Modules Get Into The Kernel?

L

libraries

standard, Common Pitfalls

library function, Functions available to modules

LINUX_VERSION_CODE, Writing Modules for Multiple Kernel Versions

M

major number, Major and Minor Numbers

dynamic allocation, Registering A Device

memory segments, Read and Write a /proc File

microkernel, Code space

minor number, Major and Minor Numbers

mknod, Major and Minor Numbers

modem, Talking to Device Files (writes and IOCTLs)

MODULE_AUTHOR(), Hello World (part 4): Licensing and Module Documentation

module_cleanup, Scheduling Tasks

MODULE_DESCRIPTION(), Hello World (part 4): Licensing and Module Documentation

module_exit, Hello World (part 2)

module_init, Hello World (part 2)

module_interruptible_sleep_on, Blocking Processes

MODULE_LICENSE(), Hello World (part 4): Licensing and Module Documentation

module_permissions, Manage /proc file with standard filesystem

module_sleep_on, Blocking Processes

MODULE_SUPPORTED_DEVICE(), Hello World (part 4): Licensing and Module Documentation

module_wake_up, Blocking Processes

MOD_DEC_USE_COUNT, Unregistering A Device

MOD_INC_USE_COUNT, Unregistering A Device

MOD_IN_USE, Unregistering A Device

monolithic kernel, Code space

multi-processing, Symmetrical Multi-Processing

multi-tasking, Blocking Processes

multitasking, Blocking Processes

N

namespace pollution, Name Space
Neutrino, Code space
non-blocking, Blocking Processes

O

official ioctl assignment, Talking to Device Files (writes and IOCTLs)
O_NONBLOCK, Blocking Processes

P

permission, Manage /proc file with standard filesystem

pointer

current, Manage /proc file with standard filesystem

printk

replacing, Replacing printk

printk(), Introducing printk()

proc file

kallsyms, Common Pitfalls

processes

blocking, Blocking Processes

killing, Blocking Processes

waking up, Blocking Processes

processing

multi, Symmetrical Multi-Processing

proc_register, The /proc File System

proc_register_dynamic, The /proc File System

putting processes to sleep, Blocking Processes

put_user, Read and Write a /proc File

Q

queue_delayed_work, Scheduling Tasks
queue_work, Interrupt Handlers

R

read

in the kernel, Read and Write a /proc File

reference count, Scheduling Tasks

refund policy, Common Pitfalls

register_chrdev, Registering A Device

request_irq(), Interrupt Handlers

rmmod, System Calls, Scheduling Tasks

preventing, Unregistering A Device

S

SA_INTERRUPT, Interrupt Handlers

SA_SHIRQ, Interrupt Handlers

scheduler, Blocking Processes

scheduling tasks, Scheduling Tasks

segment

memory, Read and Write a /proc File

seq_file, Manage /proc file with seq_file

serial port, Talking to Device Files (writes and IOCTLs)

shutdown, System Calls

SIGINT, Blocking Processes

signal, Blocking Processes

sleep

putting processes to, Blocking Processes

sleep_on, Blocking Processes

SMP, Symmetrical Multi-Processing

source file

chardev.c, Talking to Device Files (writes and IOCTLs)

chardev.h, Talking to Device Files (writes and IOCTLs)

hello-1.c, Hello, World (part 1): The Simplest Module

hello-2.c, Hello World (part 2)

hello-3.c, Hello World (part 3): The __init and __exit Macros

hello-4.c, Hello World (part 4): Licensing and Module Documentation

hello-5.c, Passing Command Line Arguments to a Module

intrpt.c, Keyboards on the Intel Architecture

ioctl.c, Talking to Device Files (writes and IOCTLs)

print_string.c, Replacing printk

sched.c, Scheduling Tasks

sleep.c, Blocking Processes

start.c, Modules Spanning Multiple Files

stop.c, Modules Spanning Multiple Files

syscall.c, System Calls

source files

multiple, Modules Spanning Multiple Files, Building modules for a precompiled kernel

standard libraries, Common Pitfalls

strace, Functions available to modules, System Calls

struct

tty, Replacing printk

struct file_operations, Manage /proc file with standard filesystem

struct inode_operations, Manage /proc file with standard filesystem

symbol table, Name Space

symmetrical multi-processing, Symmetrical Multi-Processing

sync, System Calls

system call, Functions available to modules, System Calls

open, System Calls

system calls, System Calls

sys_call_table, System Calls

sys_open, System Calls

T

task, Scheduling Tasks

current, Replacing printk

tasks

scheduling, Scheduling Tasks

TASK_INTERRUPTIBLE, Blocking Processes

try_module_get, System Calls

tty_structure, Replacing printk

W

waking up processes, Blocking Processes

workqueue_struct, Scheduling Tasks

write

in the kernel, Read and Write a /proc File

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