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OpenCloudOS-Kernel/drivers/vhost/Kconfig.tcm

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tcm_vhost: Initial merge for vhost level target fabric driver This patch adds the initial code for tcm_vhost, a Vhost level TCM fabric driver for virtio SCSI initiators into KVM guest. This code is currently up and running on v3.5-rc2 host+guest from target-pending/for-next-merge. Using tcm_vhost requires Zhi's -> Stefan -> nab's qemu vhost-scsi tree here: http://git.kernel.org/?p=virt/kvm/nab/qemu-kvm.git;a=shortlog;h=refs/heads/vhost-scsi -- Changelog v4 -> v5: Expose ABI version via VHOST_SCSI_GET_ABI_VERSION + use Rev 0 as starting point for v3.6-rc code (Stefan + ALiguori + nab) Convert vhost_scsi_handle_vq() to vq_err() (nab + MST) Minor style fixes from checkpatch (nab) Changelog v3 -> v4: Rename vhost_vring_target -> vhost_scsi_target (mst + nab) Use TRANSPORT_IQN_LEN in vhost_scsi_target->vhost_wwpn[] def (nab) Move back to drivers/vhost/, and just use drivers/vhost/Kconfig.tcm (mst) Move TCM_VHOST related ioctl defines from include/linux/vhost.h -> drivers/vhost/tcm_vhost.h as requested by MST (nab) Move Kbuild.tcm include from drivers/staging -> drivers/vhost/, and just use 'if STAGING' around 'source drivers/vhost/Kbuild.tcm' Changelog v2 -> v3: Unlock on error in tcm_vhost_drop_nexus() (DanC) Fix strlen() doesn't count the terminator (DanC) Call kfree() on an error path (DanC) Convert tcm_vhost_write_pending to use target_execute_cmd (hch + nab) Fix another strlen() off by one in tcm_vhost_make_tport (DanC) Add option under drivers/staging/Kconfig, and move to drivers/vhost/tcm/ as requested by MST (nab) Changelog v1 -> v2: Fix tv_cmd completion -> release SGL memory leak (nab) Fix sparse warnings for static variable usage ((Fengguang Wu) Fix sparse warnings for min() typing + printk format specs (Fengguang Wu) Convert to cmwq submission for I/O dispatch (nab + hch) Changelog v0 -> v1: Merge into single source + header file, and move to drivers/vhost/ Acked-by: Michael S. Tsirkin <mst@redhat.com> Cc: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Cc: Anthony Liguori <aliguori@us.ibm.com> Cc: Zhi Yong Wu <wuzhy@cn.ibm.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.de> Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-07-19 05:31:32 +08:00
config TCM_VHOST
tristate "TCM_VHOST fabric module (EXPERIMENTAL)"
depends on TARGET_CORE && EVENTFD && EXPERIMENTAL && m
default n
---help---
Say M here to enable the TCM_VHOST fabric module for use with virtio-scsi guests