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Sysfs interface ABI implementation as requested by Greg KH
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@2747 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Vladislav Bolkhovitin
254
scst/sysfs-scst
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254
scst/sysfs-scst
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What: /sys/kernel/scst_tgt/
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Contains SCST management interface entries.
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What: /sys/kernel/scst_tgt/devices/
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Contains subdirectories for all SCST devices
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What: /sys/kernel/scst_tgt/devices/<device>/exported/exportX
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Links to LUNs in the LUNs group where <device> exported, e.g. to
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/sys/kernel/scst_tgt/targets/iscsi/iqn.2006-10.net.vlnb:tgt/luns/11
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What: /sys/kernel/scst_tgt/devices/<device>/handler
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Link to dev handler of this device, if assigned, e.g. to
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/sys/kernel/scst_tgt/handlers/dev_disk
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What: /sys/kernel/scst_tgt/devices/<device>/type
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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SCSI type of this device as define by SAM.
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What: /sys/kernel/scst_tgt/handlers/
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Contains all SCST dev handlers.
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What: /sys/kernel/scst_tgt/handlers/<handler>/<device>
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Links to <device> managed by this dev handler, e.g.
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ext3_disk1_4K -> /sys/kernel/scst_tgt/devices/ext3_disk1_4K
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What: /sys/kernel/scst_tgt/handlers/<handler>/mgmt
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Management entry, which allows to create and delete
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devices for this dev handler. See SysfsRules file for more
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info.
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What: /sys/kernel/scst_tgt/handlers/<handler>/type
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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SCSI type of this dev handler as define by SAM.
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What: /sys/kernel/scst_tgt/sgv/
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Contains SCST SGV caches statistics.
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What: /sys/kernel/scst_tgt/sgv/global_stats
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Contains global SGV cache statistics.
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What: /sys/kernel/scst_tgt/sgv/<cache>/stats
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Contains statistics for SGV cache <cache>
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What: /sys/kernel/scst_tgt/targets/
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Contains all SCST target drivers
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What: /sys/kernel/scst_tgt/targets/<target_driver>
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Contains all targets for <target_driver>
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What: /sys/kernel/scst_tgt/targets/<target_driver>/mgmt
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Optional management entry, which allows to create and
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delete targets for this target driver. See SysfsRules
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file for more info.
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What: /sys/kernel/scst_tgt/targets/<target_driver>/enable
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Optional attribute to enable <target_driver> and make it serve
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incoming connections from initiators. Possible values:
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1 - enable
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0 - disable
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What: /sys/kernel/scst_tgt/targets/<target_driver>/<target>/ini_groups/
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Contains security groups for <target>
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What: /sys/kernel/scst_tgt/targets/<target_driver>/<target>/ini_groups/mgmt
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Allows to create and delete security groups for <target>.
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See README.scst for more info.
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What: /sys/kernel/scst_tgt/targets/<target_driver>/<target>/ini_groups/<group>/initiators/mgmt
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Allows to add and delete initiators to/from <group>.
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See README.scst for more info.
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What: /sys/kernel/scst_tgt/targets/<target_driver>/<target>/ini_groups/<group>/initiators/<initiator_name>
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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One or more initiators in <group>. Contains initiator's name.
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What: /sys/kernel/scst_tgt/targets/<target_driver>/<target>/ini_groups/<group>/luns/mgmt
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Allows to add and delete LUNs to/from <group>. See README.scst
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for more info.
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What: /sys/kernel/scst_tgt/targets/<target_driver>/<target>/ini_groups/<group>/luns/<lun>/device
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Link to device for <lun>, e.g. to /sys/kernel/scst_tgt/devices/ext3_disk1_4K
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What: /sys/kernel/scst_tgt/targets/<target_driver>/<target>/ini_groups/<group>/luns/<lun>/read_only
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Sets if this LUN should be read only
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What: /sys/kernel/scst_tgt/targets/<target_driver>/<target>/ini_groups/<group>/addr_method
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Sets SCSI addressing method for <group>. See README.scst
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for more info.
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What: /sys/kernel/scst_tgt/targets/<target_driver>/<target>/ini_groups/<group>/cpu_mask
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Sets CPU mask for threads serving initiators in <group>.
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See README.scst for more info.
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What: /sys/kernel/scst_tgt/targets/<target_driver>/<target>/ini_groups/<group>/io_grouping_type
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Sets IO groupping types for threads serving initiators
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in <group>. See README.scst for more info.
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What: /sys/kernel/scst_tgt/targets/<target_driver>/<target>/luns/mgmt
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Allows to add and delete LUNs to/from the <target>'s default
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set of LUNs. See README.scst for more info.
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What: /sys/kernel/scst_tgt/targets/<target_driver>/<target>/luns/<lun>/device
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Link to device for <lun>, e.g. to /sys/kernel/scst_tgt/devices/ext3_disk1_4K
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What: /sys/kernel/scst_tgt/targets/<target_driver>/<target>/luns/<lun>/read_only
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Sets if this LUN should be read only
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What: /sys/kernel/scst_tgt/targets/<target_driver>/<target>/addr_method
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Sets SCSI addressing method for the <target>'s default
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set of LUNs. See README.scst for more info.
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What: /sys/kernel/scst_tgt/targets/<target_driver>/<target>/cpu_mask
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Sets CPU mask for threads serving initiators in the
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<target>'s default set of LUNs. See README.scst for more info.
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What: /sys/kernel/scst_tgt/targets/<target_driver>/<target>/io_grouping_type
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Sets IO groupping types for threads serving initiators
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in the <target>'s default set of LUNs. See README.scst
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for more info.
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What: /sys/kernel/scst_tgt/targets/<target_driver>/<target>/enable
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Optional attribute to enable <target> and make it serve
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incoming connections from initiators. Possible values:
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1 - enable
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0 - disable
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What: /sys/kernel/scst_tgt/last_sysfs_mgmt_res
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Returning completion status of the last management
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command. See README.scst for more info.
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What: /sys/kernel/scst_tgt/setup_id
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Allows to read and write SCST setup ID. This ID can be
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used in cases, when the same SCST configuration should
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be installed on several targets, but exported from those
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targets devices should have different IDs and SNs. For
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instance, VDISK dev handler uses this ID to generate T10
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vendor specific identifier and SN of the devices.
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What: /sys/kernel/scst_tgt/threads
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Allows to read and set number of global SCST I/O
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threads. Those threads used with async. dev handlers,
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for instance, vdisk BLOCKIO or NULLIO
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What: /sys/kernel/scst_tgt/version
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Date: November 2010
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Contact: Vladislav Bolkhovitin <vst@vlnb.net>
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Description:
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Allows to see version of SCST and enabled optional features.
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