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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
+ "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" []>
+
+<book id="LinuxKernelAPI">
+ <bookinfo>
+ <title>The Linux Kernel API</title>
+
+ <legalnotice>
+ <para>
+ This documentation is free software; you can redistribute
+ it and/or modify it under the terms of the GNU General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later
+ version.
+ </para>
+
+ <para>
+ This program is distributed in the hope that it will be
+ useful, but WITHOUT ANY WARRANTY; without even the implied
+ warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ See the GNU General Public License for more details.
+ </para>
+
+ <para>
+ You should have received a copy of the GNU General Public
+ License along with this program; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ MA 02111-1307 USA
+ </para>
+
+ <para>
+ For more details see the file COPYING in the source
+ distribution of Linux.
+ </para>
+ </legalnotice>
+ </bookinfo>
+
+<toc></toc>
+
+ <chapter id="Basics">
+ <title>Driver Basics</title>
+ <sect1><title>Driver Entry and Exit points</title>
+!Iinclude/linux/init.h
+ </sect1>
+
+ <sect1><title>Atomic and pointer manipulation</title>
+!Iinclude/asm-i386/atomic.h
+!Iinclude/asm-i386/unaligned.h
+ </sect1>
+
+<!-- FIXME:
+ kernel/sched.c has no docs, which stuffs up the sgml. Comment
+ out until somebody adds docs. KAO
+ <sect1><title>Delaying, scheduling, and timer routines</title>
+X!Ekernel/sched.c
+ </sect1>
+KAO -->
+ </chapter>
+
+ <chapter id="adt">
+ <title>Data Types</title>
+ <sect1><title>Doubly Linked Lists</title>
+!Iinclude/linux/list.h
+ </sect1>
+ </chapter>
+
+ <chapter id="libc">
+ <title>Basic C Library Functions</title>
+
+ <para>
+ When writing drivers, you cannot in general use routines which are
+ from the C Library. Some of the functions have been found generally
+ useful and they are listed below. The behaviour of these functions
+ may vary slightly from those defined by ANSI, and these deviations
+ are noted in the text.
+ </para>
+
+ <sect1><title>String Conversions</title>
+!Ilib/vsprintf.c
+!Elib/vsprintf.c
+ </sect1>
+ <sect1><title>String Manipulation</title>
+!Ilib/string.c
+!Elib/string.c
+ </sect1>
+ <sect1><title>Bit Operations</title>
+!Iinclude/asm-i386/bitops.h
+ </sect1>
+ </chapter>
+
+ <chapter id="mm">
+ <title>Memory Management in Linux</title>
+ <sect1><title>The Slab Cache</title>
+!Emm/slab.c
+ </sect1>
+ <sect1><title>User Space Memory Access</title>
+!Iinclude/asm-i386/uaccess.h
+!Iarch/i386/lib/usercopy.c
+ </sect1>
+ </chapter>
+
+ <chapter id="kfifo">
+ <title>FIFO Buffer</title>
+ <sect1><title>kfifo interface</title>
+!Iinclude/linux/kfifo.h
+!Ekernel/kfifo.c
+ </sect1>
+ </chapter>
+
+ <chapter id="proc">
+ <title>The proc filesystem</title>
+
+ <sect1><title>sysctl interface</title>
+!Ekernel/sysctl.c
+ </sect1>
+ </chapter>
+
+ <chapter id="debugfs">
+ <title>The debugfs filesystem</title>
+
+ <sect1><title>debugfs interface</title>
+!Efs/debugfs/inode.c
+!Efs/debugfs/file.c
+ </sect1>
+ </chapter>
+
+ <chapter id="vfs">
+ <title>The Linux VFS</title>
+ <sect1><title>The Directory Cache</title>
+!Efs/dcache.c
+!Iinclude/linux/dcache.h
+ </sect1>
+ <sect1><title>Inode Handling</title>
+!Efs/inode.c
+!Efs/bad_inode.c
+ </sect1>
+ <sect1><title>Registration and Superblocks</title>
+!Efs/super.c
+ </sect1>
+ <sect1><title>File Locks</title>
+!Efs/locks.c
+!Ifs/locks.c
+ </sect1>
+ </chapter>
+
+ <chapter id="netcore">
+ <title>Linux Networking</title>
+ <sect1><title>Socket Buffer Functions</title>
+!Iinclude/linux/skbuff.h
+!Enet/core/skbuff.c
+ </sect1>
+ <sect1><title>Socket Filter</title>
+!Enet/core/filter.c
+ </sect1>
+ <sect1><title>Generic Network Statistics</title>
+!Iinclude/linux/gen_stats.h
+!Enet/core/gen_stats.c
+!Enet/core/gen_estimator.c
+ </sect1>
+ </chapter>
+
+ <chapter id="netdev">
+ <title>Network device support</title>
+ <sect1><title>Driver Support</title>
+!Enet/core/dev.c
+ </sect1>
+ <sect1><title>8390 Based Network Cards</title>
+!Edrivers/net/8390.c
+ </sect1>
+ <sect1><title>Synchronous PPP</title>
+!Edrivers/net/wan/syncppp.c
+ </sect1>
+ </chapter>
+
+ <chapter id="modload">
+ <title>Module Support</title>
+ <sect1><title>Module Loading</title>
+!Ekernel/kmod.c
+ </sect1>
+ <sect1><title>Inter Module support</title>
+ <para>
+ Refer to the file kernel/module.c for more information.
+ </para>
+<!-- FIXME: Removed for now since no structured comments in source
+X!Ekernel/module.c
+-->
+ </sect1>
+ </chapter>
+
+ <chapter id="hardware">
+ <title>Hardware Interfaces</title>
+ <sect1><title>Interrupt Handling</title>
+!Iarch/i386/kernel/irq.c
+ </sect1>
+
+ <sect1><title>MTRR Handling</title>
+!Earch/i386/kernel/cpu/mtrr/main.c
+ </sect1>
+ <sect1><title>PCI Support Library</title>
+!Edrivers/pci/pci.c
+ </sect1>
+ <sect1><title>PCI Hotplug Support Library</title>
+!Edrivers/pci/hotplug/pci_hotplug_core.c
+ </sect1>
+ <sect1><title>MCA Architecture</title>
+ <sect2><title>MCA Device Functions</title>
+ <para>
+ Refer to the file arch/i386/kernel/mca.c for more information.
+ </para>
+<!-- FIXME: Removed for now since no structured comments in source
+X!Earch/i386/kernel/mca.c
+-->
+ </sect2>
+ <sect2><title>MCA Bus DMA</title>
+!Iinclude/asm-i386/mca_dma.h
+ </sect2>
+ </sect1>
+ </chapter>
+
+ <chapter id="devfs">
+ <title>The Device File System</title>
+!Efs/devfs/base.c
+ </chapter>
+
+ <chapter id="security">
+ <title>Security Framework</title>
+!Esecurity/security.c
+ </chapter>
+
+ <chapter id="pmfuncs">
+ <title>Power Management</title>
+!Ekernel/power/pm.c
+ </chapter>
+
+ <chapter id="blkdev">
+ <title>Block Devices</title>
+!Edrivers/block/ll_rw_blk.c
+ </chapter>
+
+ <chapter id="miscdev">
+ <title>Miscellaneous Devices</title>
+!Edrivers/char/misc.c
+ </chapter>
+
+ <chapter id="viddev">
+ <title>Video4Linux</title>
+!Edrivers/media/video/videodev.c
+ </chapter>
+
+ <chapter id="snddev">
+ <title>Sound Devices</title>
+!Esound/sound_core.c
+<!-- FIXME: Removed for now since no structured comments in source
+X!Isound/sound_firmware.c
+-->
+ </chapter>
+
+ <chapter id="uart16x50">
+ <title>16x50 UART Driver</title>
+!Edrivers/serial/serial_core.c
+!Edrivers/serial/8250.c
+ </chapter>
+
+ <chapter id="z85230">
+ <title>Z85230 Support Library</title>
+!Edrivers/net/wan/z85230.c
+ </chapter>
+
+ <chapter id="fbdev">
+ <title>Frame Buffer Library</title>
+
+ <para>
+ The frame buffer drivers depend heavily on four data structures.
+ These structures are declared in include/linux/fb.h. They are
+ fb_info, fb_var_screeninfo, fb_fix_screeninfo and fb_monospecs.
+ The last three can be made available to and from userland.
+ </para>
+
+ <para>
+ fb_info defines the current state of a particular video card.
+ Inside fb_info, there exists a fb_ops structure which is a
+ collection of needed functions to make fbdev and fbcon work.
+ fb_info is only visible to the kernel.
+ </para>
+
+ <para>
+ fb_var_screeninfo is used to describe the features of a video card
+ that are user defined. With fb_var_screeninfo, things such as
+ depth and the resolution may be defined.
+ </para>
+
+ <para>
+ The next structure is fb_fix_screeninfo. This defines the
+ properties of a card that are created when a mode is set and can't
+ be changed otherwise. A good example of this is the start of the
+ frame buffer memory. This "locks" the address of the frame buffer
+ memory, so that it cannot be changed or moved.
+ </para>
+
+ <para>
+ The last structure is fb_monospecs. In the old API, there was
+ little importance for fb_monospecs. This allowed for forbidden things
+ such as setting a mode of 800x600 on a fix frequency monitor. With
+ the new API, fb_monospecs prevents such things, and if used
+ correctly, can prevent a monitor from being cooked. fb_monospecs
+ will not be useful until kernels 2.5.x.
+ </para>
+
+ <sect1><title>Frame Buffer Memory</title>
+!Edrivers/video/fbmem.c
+ </sect1>
+ <sect1><title>Frame Buffer Console</title>
+!Edrivers/video/console/fbcon.c
+ </sect1>
+ <sect1><title>Frame Buffer Colormap</title>
+!Edrivers/video/fbcmap.c
+ </sect1>
+<!-- FIXME:
+ drivers/video/fbgen.c has no docs, which stuffs up the sgml. Comment
+ out until somebody adds docs. KAO
+ <sect1><title>Frame Buffer Generic Functions</title>
+X!Idrivers/video/fbgen.c
+ </sect1>
+KAO -->
+ <sect1><title>Frame Buffer Video Mode Database</title>
+!Idrivers/video/modedb.c
+!Edrivers/video/modedb.c
+ </sect1>
+ <sect1><title>Frame Buffer Macintosh Video Mode Database</title>
+!Idrivers/video/macmodes.c
+ </sect1>
+ <sect1><title>Frame Buffer Fonts</title>
+ <para>
+ Refer to the file drivers/video/console/fonts.c for more information.
+ </para>
+<!-- FIXME: Removed for now since no structured comments in source
+X!Idrivers/video/console/fonts.c
+-->
+ </sect1>
+ </chapter>
+</book>
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