258 lines
3.4 KiB
HTML
258 lines
3.4 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HTML
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><HEAD
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><TITLE
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>Upper level drivers</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
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REL="HOME"
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TITLE="The Linux 2.4 SCSI subsystem HOWTO"
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HREF="index.html"><LINK
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REL="PREVIOUS"
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TITLE="proc interface"
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HREF="mlproc.html"><LINK
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REL="NEXT"
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TITLE="Disk driver (sd)"
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HREF="sd.html"></HEAD
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><BODY
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CLASS="chapter"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#840084"
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ALINK="#0000FF"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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SUMMARY="Header navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>The Linux 2.4 SCSI subsystem HOWTO</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="mlproc.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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></TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="sd.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="chapter"
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><H1
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><A
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NAME="ulevel"
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></A
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>Chapter 9. Upper level drivers</H1
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><DIV
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CLASS="TOC"
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><DL
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><DT
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><B
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>Table of Contents</B
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></DT
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><DT
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>9.1. <A
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HREF="sd.html"
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>Disk driver (sd)</A
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></DT
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><DD
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><DL
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><DT
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>9.1.1. <A
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HREF="sd.html#sdbparams"
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>sd boot parameters</A
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></DT
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><DT
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>9.1.2. <A
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HREF="sd.html#sdmparams"
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>sd module parameters</A
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></DT
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></DL
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></DD
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><DT
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>9.2. <A
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HREF="sr.html"
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>CDROM driver (sr or scd)</A
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></DT
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><DD
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><DL
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><DT
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>9.2.1. <A
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HREF="sr.html#srbparams"
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>sr boot parameters</A
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></DT
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><DT
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>9.2.2. <A
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HREF="sr.html#srmparams"
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>sr module parameters</A
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></DT
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><DT
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>9.2.3. <A
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HREF="sr.html#srproc"
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>sr proc interface</A
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></DT
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><DT
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>9.2.4. <A
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HREF="sr.html#sratapi"
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>ATAPI cdroms</A
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></DT
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></DL
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></DD
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><DT
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>9.3. <A
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HREF="st.html"
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>Tape driver (st)</A
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></DT
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><DD
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><DL
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><DT
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>9.3.1. <A
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HREF="st.html#stbparams"
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>st boot parameters</A
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></DT
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><DT
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>9.3.2. <A
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HREF="st.html#stmparams"
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>st module parameters</A
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></DT
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><DT
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>9.3.3. <A
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HREF="st.html#stproc"
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>st proc interface</A
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></DT
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><DT
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>9.3.4. <A
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HREF="st.html#stosst"
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>osst driver for OnStream devices</A
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></DT
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></DL
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></DD
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><DT
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>9.4. <A
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HREF="sg.html"
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>Generic driver (sg)</A
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></DT
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><DD
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><DL
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><DT
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>9.4.1. <A
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HREF="sg.html#sgbparams"
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>sg boot parameters</A
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></DT
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><DT
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>9.4.2. <A
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HREF="sg.html#sgmparams"
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>sg module parameters</A
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></DT
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><DT
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>9.4.3. <A
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HREF="sg.html#sgproc"
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>sg proc interface</A
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></DT
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></DL
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></DD
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></DL
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></DIV
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><P
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> The upper level drivers maintain the kernel side of the OS interface
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for the logical class of devices they represent (e.g. disks). They
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are also responsible for managing certain kernel and SCSI subsystem
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resources such as kernel memory and SCSI command structures.
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Applications in the user space access these drivers by opening a special
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file (block or char) typically found in the <TT
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CLASS="filename"
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>/dev
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</TT
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> directory tree.
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</P
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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SUMMARY="Footer navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="mlproc.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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ACCESSKEY="H"
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>Home</A
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></TD
|
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><TD
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WIDTH="33%"
|
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ALIGN="right"
|
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VALIGN="top"
|
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><A
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HREF="sd.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
|
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><TR
|
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><TD
|
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WIDTH="33%"
|
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ALIGN="left"
|
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VALIGN="top"
|
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>proc interface</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
|
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VALIGN="top"
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> </TD
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><TD
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WIDTH="33%"
|
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ALIGN="right"
|
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VALIGN="top"
|
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>Disk driver (sd)</TD
|
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></TR
|
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></TABLE
|
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></DIV
|
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></BODY
|
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></HTML
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> |