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scsi: docs: convert scsi-generic.txt to ReST
Link: https://lore.kernel.org/r/f57b8ddf30397c2c7213e49634e5e9cbd4246368.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Mauro Carvalho Chehab
Martin K. Petersen
parent
fedd7a4d09
commit
d4d79340fb
5 changed files with 50 additions and 32 deletions
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@ -34,5 +34,6 @@ Linux SCSI Subsystem
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scsi-changer
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scsi_eh
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scsi_fc_transport
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scsi-generic
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scsi_transport_srp/figures
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@ -1,6 +1,11 @@
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Notes on Linux SCSI Generic (sg) driver
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---------------------------------------
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.. SPDX-License-Identifier: GPL-2.0
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=======================================
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Notes on Linux SCSI Generic (sg) driver
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=======================================
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20020126
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Introduction
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============
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The SCSI Generic driver (sg) is one of the four "high level" SCSI device
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@ -18,7 +23,7 @@ and examples.
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Major versions of the sg driver
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===============================
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There are three major versions of sg found in the linux kernel (lk):
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- sg version 1 (original) from 1992 to early 1999 (lk 2.2.5) .
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- sg version 1 (original) from 1992 to early 1999 (lk 2.2.5) .
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It is based in the sg_header interface structure.
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- sg version 2 from lk 2.2.6 in the 2.2 series. It is based on
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an extended version of the sg_header interface structure.
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@ -29,12 +34,16 @@ There are three major versions of sg found in the linux kernel (lk):
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Sg driver documentation
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=======================
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The most recent documentation of the sg driver is kept at the Linux
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Documentation Project's (LDP) site:
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http://www.tldp.org/HOWTO/SCSI-Generic-HOWTO
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Documentation Project's (LDP) site:
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- http://www.tldp.org/HOWTO/SCSI-Generic-HOWTO
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This describes the sg version 3 driver found in the lk 2.4 series.
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The LDP renders documents in single and multiple page HTML, postscript
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and pdf. This document can also be found at:
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http://sg.danny.cz/sg/p/sg_v3_ho.html
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- http://sg.danny.cz/sg/p/sg_v3_ho.html
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Documentation for the version 2 sg driver found in the lk 2.2 series can
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be found at http://sg.danny.cz/sg/. A larger version
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@ -45,23 +54,27 @@ found at http://www.torque.net/sg/p/original/SCSI-Programming-HOWTO.txt
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and in the LDP archives.
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A changelog with brief notes can be found in the
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/usr/src/linux/include/scsi/sg.h file. Note that the glibc maintainers copy
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and edit this file (removing its changelog for example) before placing it
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in /usr/include/scsi/sg.h . Driver debugging information and other notes
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/usr/src/linux/include/scsi/sg.h file. Note that the glibc maintainers copy
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and edit this file (removing its changelog for example) before placing it
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in /usr/include/scsi/sg.h . Driver debugging information and other notes
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can be found at the top of the /usr/src/linux/drivers/scsi/sg.c file.
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A more general description of the Linux SCSI subsystem of which sg is a
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A more general description of the Linux SCSI subsystem of which sg is a
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part can be found at http://www.tldp.org/HOWTO/SCSI-2.4-HOWTO .
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Example code and utilities
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==========================
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There are two packages of sg utilities:
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- sg3_utils for the sg version 3 driver found in lk 2.4
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- sg_utils for the sg version 2 (and original) driver found in lk 2.2
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========= ==========================================================
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sg3_utils for the sg version 3 driver found in lk 2.4
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sg_utils for the sg version 2 (and original) driver found in lk 2.2
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and earlier
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========= ==========================================================
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Both packages will work in the lk 2.4 series however sg3_utils offers more
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capabilities. They can be found at: http://sg.danny.cz/sg/sg3_utils.html and
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capabilities. They can be found at: http://sg.danny.cz/sg/sg3_utils.html and
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freecode.com
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Another approach is to look at the applications that use the sg driver.
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@ -72,30 +85,34 @@ Mapping of Linux kernel versions to sg driver versions
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======================================================
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Here is a list of linux kernels in the 2.4 series that had new version
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of the sg driver:
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lk 2.4.0 : sg version 3.1.17
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lk 2.4.7 : sg version 3.1.19
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lk 2.4.10 : sg version 3.1.20 **
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lk 2.4.17 : sg version 3.1.22
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** There were 3 changes to sg version 3.1.20 by third parties in the
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next six linux kernel versions.
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- lk 2.4.0 : sg version 3.1.17
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- lk 2.4.7 : sg version 3.1.19
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- lk 2.4.10 : sg version 3.1.20 [#]_
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- lk 2.4.17 : sg version 3.1.22
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For reference here is a list of linux kernels in the 2.2 series that had
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.. [#] There were 3 changes to sg version 3.1.20 by third parties in the
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next six linux kernel versions.
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For reference here is a list of linux kernels in the 2.2 series that had
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new version of the sg driver:
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lk 2.2.0 : original sg version [with no version number]
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lk 2.2.6 : sg version 2.1.31
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lk 2.2.8 : sg version 2.1.32
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lk 2.2.10 : sg version 2.1.34 [SG_GET_VERSION_NUM ioctl first appeared]
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lk 2.2.14 : sg version 2.1.36
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lk 2.2.16 : sg version 2.1.38
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lk 2.2.17 : sg version 2.1.39
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lk 2.2.20 : sg version 2.1.40
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- lk 2.2.0 : original sg version [with no version number]
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- lk 2.2.6 : sg version 2.1.31
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- lk 2.2.8 : sg version 2.1.32
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- lk 2.2.10 : sg version 2.1.34 [SG_GET_VERSION_NUM ioctl first appeared]
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- lk 2.2.14 : sg version 2.1.36
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- lk 2.2.16 : sg version 2.1.38
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- lk 2.2.17 : sg version 2.1.39
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- lk 2.2.20 : sg version 2.1.40
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The lk 2.5 development series has recently commenced and it currently
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contains sg version 3.5.23 which is functionally equivalent to sg
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version 3.1.22 found in lk 2.4.17 .
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version 3.1.22 found in lk 2.4.17.
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Douglas Gilbert
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26th January 2002
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dgilbert@interlog.com
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@ -14797,7 +14797,7 @@ M: Doug Gilbert <dgilbert@interlog.com>
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L: linux-scsi@vger.kernel.org
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W: http://sg.danny.cz/sg
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S: Maintained
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F: Documentation/scsi/scsi-generic.txt
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F: Documentation/scsi/scsi-generic.rst
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F: drivers/scsi/sg.c
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F: include/scsi/sg.h
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@ -133,7 +133,7 @@ config CHR_DEV_SG
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quality digital reader of audio CDs (<http://www.xiph.org/paranoia/>).
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For other devices, it's possible that you'll have to write the
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driver software yourself. Please read the file
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<file:Documentation/scsi/scsi-generic.txt> for more information.
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<file:Documentation/scsi/scsi-generic.rst> for more information.
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To compile this driver as a module, choose M here and read
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<file:Documentation/scsi/scsi.txt>. The module will be called sg.
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@ -24,7 +24,7 @@
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* http://sg.danny.cz/sg [alternatively check the MAINTAINERS file]
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* The documentation for the sg version 3 driver can be found at:
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* http://sg.danny.cz/sg/p/sg_v3_ho.html
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* Also see: <kernel_source>/Documentation/scsi/scsi-generic.txt
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* Also see: <kernel_source>/Documentation/scsi/scsi-generic.rst
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*
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* For utility and test programs see: http://sg.danny.cz/sg/sg3_utils.html
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*/
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