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Beef up a bit descriptions of SCSI devices and what the drive.

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This commit is contained in:
Matt Jacob 2000-07-10 15:37:03 +00:00
parent 08a7e04845
commit cf2458c90e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=62909
2 changed files with 60 additions and 6 deletions
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33
sys/conf/NOTES
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@ -795,19 +795,46 @@ hint.sa.1.target="6"
# All SCSI devices allocate as many units as are required.
# The ch driver drives SCSI Media Changer ("jukebox") devices.
#
# The da driver drives SCSI Direct Access ("disk") and Optical Media
# ("WORM") devices.
#
# The sa driver drives SCSI Sequential Access ("tape") devices.
#
# The cd driver drives SCSI Read Only Direct Access ("cd") devices.
#
# The ses driver drives SCSI Envinronment Services ("ses") and
# SAF-TE ("SCSI Accessable Fault-Tolerant Enclosure") devices.
#
# The pt driver drives SCSI Processor devices.
#
#
# Target Mode support is provided here but also requires that a SIM
# (SCSI Host Adapter Driver) provide support as well.
#
# The targ driver provides target mode support as a Processor type device.
# It exists to give the minimal context necessary to respond to Inquiry
# commands. There is a sample user application that shows how the rest
# of the command support might be done in /usr/share/examples/scsi_target.
#
# The targbh driver provides target mode support and exists to respond
# to incoming commands that do not otherwise have a logical unit assigned
# to them.
#
# The "unknown" device (uk? in pre-2.0.5) is now part of the base SCSI
# configuration and doesn't have to be explicitly configured.
# configuration as the "pass" driver.
device scbus #base SCSI code
device ch #SCSI media changers
device da #SCSI direct access devices (aka disks)
device sa #SCSI tapes
device cd #SCSI CD-ROMs
device pass #CAM passthrough driver
device ses #SCSI Environmental Services (and SAF-TE)
device pt #SCSI processor
device targ #SCSI Target Mode Code
device targbh #SCSI Target Mode Blackhole Device
define pt #SCSI Processor Target Device
device pass #CAM passthrough driver
# CAM OPTIONS:
# debugging options:

33
sys/i386/conf/NOTES
View file

@ -795,19 +795,46 @@ hint.sa.1.target="6"
# All SCSI devices allocate as many units as are required.
# The ch driver drives SCSI Media Changer ("jukebox") devices.
#
# The da driver drives SCSI Direct Access ("disk") and Optical Media
# ("WORM") devices.
#
# The sa driver drives SCSI Sequential Access ("tape") devices.
#
# The cd driver drives SCSI Read Only Direct Access ("cd") devices.
#
# The ses driver drives SCSI Envinronment Services ("ses") and
# SAF-TE ("SCSI Accessable Fault-Tolerant Enclosure") devices.
#
# The pt driver drives SCSI Processor devices.
#
#
# Target Mode support is provided here but also requires that a SIM
# (SCSI Host Adapter Driver) provide support as well.
#
# The targ driver provides target mode support as a Processor type device.
# It exists to give the minimal context necessary to respond to Inquiry
# commands. There is a sample user application that shows how the rest
# of the command support might be done in /usr/share/examples/scsi_target.
#
# The targbh driver provides target mode support and exists to respond
# to incoming commands that do not otherwise have a logical unit assigned
# to them.
#
# The "unknown" device (uk? in pre-2.0.5) is now part of the base SCSI
# configuration and doesn't have to be explicitly configured.
# configuration as the "pass" driver.
device scbus #base SCSI code
device ch #SCSI media changers
device da #SCSI direct access devices (aka disks)
device sa #SCSI tapes
device cd #SCSI CD-ROMs
device pass #CAM passthrough driver
device ses #SCSI Environmental Services (and SAF-TE)
device pt #SCSI processor
device targ #SCSI Target Mode Code
device targbh #SCSI Target Mode Blackhole Device
define pt #SCSI Processor Target Device
device pass #CAM passthrough driver
# CAM OPTIONS:
# debugging options: