linux-kernel - [PATCH v2 0/2] tcm/tcm_loop: Add BIDI-COMMAND support

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Date:	Wed, 15 Sep 2010 15:41:43 -0700
From:	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>
To:	linux-scsi <linux-scsi@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Boaz Harrosh <bharrosh@...asas.com>,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Cc:	Mike Christie <michaelc@...wisc.edu>,
	Hannes Reinecke <hare@...e.de>,
	James Bottomley <James.Bottomley@...e.de>,
	Konrad Rzeszutek Wilk <konrad@...nok.org>,
	Douglas Gilbert <dgilbert@...erlog.com>,
	Joe Eykholt <jeykholt@...co.com>,
	Nicholas Bellinger <nab@...ux-iscsi.org>
Subject: [PATCH v2 0/2] tcm/tcm_loop: Add BIDI-COMMAND support

From: Nicholas Bellinger <nab@...ux-iscsi.org>

Greetings Boaz and Co,

This is the rebased TCM Core + TCM_Loop module BIDI-COMMAND v2 patch series to
address Boaz's comments about the proper usage of DMA_BIDIRECTIONAL within
TCM Core and TCM_Loop and his other points.  I have already pushed the follow up
patches into lio-core-2.6.git/lio-4.0, and this is a follow up series for Boaz
to add comments w/o the original incorrect DMA_BIDIRECTIONAL usage in the v1 code.

So far this has been tested  with the same custom XDWRITE_READ_10 BSG userspace
code as the v1 patch and things are functioning as expected so far.  I will also
be testing with an BIDI capable sg_raw patch from Doug Gilbert. (Thanks Doug!)

Many thank go to Boaz for sharing his knowledge of BIDI for adding proper support
into TCM Core and TCM_Loop code!

Best,

Signed-off-by: Nicholas A. Bellinger <nab@...ux-iscsi.org>

Nicholas Bellinger (2):
  tcm: Add support for BIDI-COMMANDS and XDWRITE_READ_10 emulation
  tcm_loop: Add BIDI-COMMAND CDB support

 drivers/target/target_core_pr.c                |    3 +-
 drivers/target/target_core_transport.c         |  278 ++++++++++++++++++++----
 drivers/target/tcm_loop/tcm_loop_fabric_scsi.c |   47 +++-
 include/target/target_core_base.h              |   10 +-
 include/target/target_core_transport.h         |   10 +-
 5 files changed, 288 insertions(+), 60 deletions(-)

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