linux-kernel - [PATCH 0/4] towards an async

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Message-ID: <20071222010537.15576.31788.stgit@dwillia2-linux.ch.intel.com>
Date:	Fri, 21 Dec 2007 18:06:38 -0700
From:	Dan Williams <dan.j.williams@...el.com>
To:	linux-kernel@...r.kernel.org
Cc:	shannon.nelson@...el.com, yur@...raft.com, hskinnemoen@...el.com,
	olof@...om.net, wei.zhang@...escale.com
Subject: [PATCH 0/4] towards an async_tx update for 2.6.25

Prompted by Yuri's RAID6 acceleration implementation [1], and Haavard's
DMA-slave interface [2], this series cleans up the async_tx api and prepares
it for these new features.  The most invasive change is the removal of
the tx_set_src and tx_set_dest methods in patch 2/4, drivers now receive
all necessary operation information at 'prep' time.

Still on the to do list:
* Pull the mpc85xx driver from -mm and integrate these api changes
* Apply Haavard's dma-test-client [3].  Look into extending it for
  other operations and async_tx channel switching testing
* Teach async_tx about drivers that do not support channel switching

This series is based on 2.6.24-rc6.

Dan Williams (4):
      async_tx: kill ASYNC_TX_ASSUME_COHERENT
      async_tx: kill tx_set_src and tx_set_dest methods
      async_tx: replace 'int_en' with operation preparation flags
      async_tx: allow architecture specific async_tx_find_channel implementations

 crypto/async_tx/async_memcpy.c         |   38 ++++-----
 crypto/async_tx/async_memset.c         |   28 +++---
 crypto/async_tx/async_tx.c             |    6 +-
 crypto/async_tx/async_xor.c            |  120 +++++++++++++++++------------
 drivers/dma/Kconfig                    |    1 +
 drivers/dma/dmaengine.c                |   49 +++++++-----
 drivers/dma/ioat_dma.c                 |   43 ++++------
 drivers/dma/iop-adma.c                 |  136 ++++++++++++--------------------
 include/asm-arm/arch-iop13xx/adma.h    |   18 +++--
 include/asm-arm/hardware/iop3xx-adma.h |   30 ++++---
 include/linux/async_tx.h               |   13 ++-
 include/linux/dmaengine.h              |   29 ++++---
 12 files changed, 253 insertions(+), 258 deletions(-)

--
Dan

[1] http://marc.info/?l=linux-raid&m=119676789912370&w=2
[2] http://marc.info/?l=linux-kernel&m=119582072930013&w=2
[3] http://marc.info/?l=linux-kernel&m=119583211214496&w=2
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