Eric Lee / linux-smarc-t335x-v3.2

24 Mar, 2011

1 commit

  • 3703b2c5d   [SCSI] tcm_loop: Add multi-fabric Linux/SCSI LLD fabric module ... Browse Code »

    This patch adds the TCM_Loop Linux/SCSI LLD fabric module for
    accessing TCM device backstores as locally accessable SCSI LUNs in
    virtual SAS, FC, and iSCSI Target ports using the generic fabric
    TransportID and Target Port WWN naming handlers from TCM's
    target_core_fabric_lib.c The TCM_Loop module uses the generic fabric
    configfs infratructure provided by target_core_fabric_configfs.c and
    adds a module dependent attribute for the creation/release of the
    virtual I_T Nexus connected the TCM_Loop Target and Initiator Ports.

    TCM_Loop can also be used with scsi-generic and BSG drivers so that
    STGT userspace fabric modules, QEMU-KVM and other hypervisor SCSI
    passthrough support can access TCM device backstore and control CDB
    emulation.

    For more information please see:

    http://linux-iscsi.org/wiki/Tcm_loop

    [jejb: fixed up checkpatch stuff]
    Signed-off-by: Nicholas A. Bellinger
    Reviewed-by: Christoph Hellwig
    Signed-off-by: James Bottomley

    Nicholas Bellinger
     

15 Jan, 2011

1 commit

  • c66ac9db8   [SCSI] target: Add LIO target core v4.0.0-rc6 ... Browse Code »

    LIO target is a full featured in-kernel target framework with the
    following feature set:

    High-performance, non-blocking, multithreaded architecture with SIMD
    support.

    Advanced SCSI feature set:

    * Persistent Reservations (PRs)
    * Asymmetric Logical Unit Assignment (ALUA)
    * Protocol and intra-nexus multiplexing, load-balancing and failover (MC/S)
    * Full Error Recovery (ERL=0,1,2)
    * Active/active task migration and session continuation (ERL=2)
    * Thin LUN provisioning (UNMAP and WRITE_SAMExx)

    Multiprotocol target plugins

    Storage media independence:

    * Virtualization of all storage media; transparent mapping of IO to LUNs
    * No hard limits on number of LUNs per Target; maximum LUN size ~750 TB
    * Backstores: SATA, SAS, SCSI, BluRay, DVD, FLASH, USB, ramdisk, etc.

    Standards compliance:

    * Full compliance with IETF (RFC 3720)
    * Full implementation of SPC-4 PRs and ALUA

    Significant code cleanups done by Christoph Hellwig.

    [jejb: fix up for new block bdev exclusive interface. Minor fixes from
    Randy Dunlap and Dan Carpenter.]
    Signed-off-by: Nicholas A. Bellinger
    Signed-off-by: James Bottomley

    Nicholas Bellinger