diff mbox series

[v8,12/12] raw/ioat: deprecate ioat rawdev driver

Message ID 20211018123835.1080174-13-conor.walsh@intel.com (mailing list archive)
State Accepted, archived
Delegated to: Thomas Monjalon
Headers show
Series dma: add dmadev driver for ioat devices | expand


Context Check Description
ci/Intel-compilation warning apply issues
ci/checkpatch success coding style OK

Commit Message

Conor Walsh Oct. 18, 2021, 12:38 p.m. UTC
Deprecate the rawdev IOAT driver as both IOAT and IDXD drivers have
moved to dmadev.

Signed-off-by: Conor Walsh <conor.walsh@intel.com>
Acked-by: Kevin Laatz <kevin.laatz@intel.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>
 MAINTAINERS                          | 2 +-
 doc/guides/rawdevs/ioat.rst          | 4 ++++
 doc/guides/rel_notes/deprecation.rst | 7 +++++++
 3 files changed, 12 insertions(+), 1 deletion(-)
diff mbox series


index 283c70f7d7..b9f7746dc4 100644
@@ -1322,7 +1322,7 @@  T: git://dpdk.org/next/dpdk-next-net-intel
 F: drivers/raw/ifpga/
 F: doc/guides/rawdevs/ifpga.rst
-IOAT Rawdev
 M: Bruce Richardson <bruce.richardson@intel.com>
 F: drivers/raw/ioat/
 F: doc/guides/rawdevs/ioat.rst
diff --git a/doc/guides/rawdevs/ioat.rst b/doc/guides/rawdevs/ioat.rst
index a65530bd30..98d15dd032 100644
--- a/doc/guides/rawdevs/ioat.rst
+++ b/doc/guides/rawdevs/ioat.rst
@@ -6,6 +6,10 @@ 
 IOAT Rawdev Driver
+.. warning::
+        As of DPDK 21.11 the rawdev implementation of the IOAT driver has been deprecated.
+        Please use the dmadev library instead.
 The ``ioat`` rawdev driver provides a poll-mode driver (PMD) for Intel\ |reg|
 Data Streaming Accelerator `(Intel DSA)
 <https://01.org/blogs/2019/introducing-intel-data-streaming-accelerator>`_ and for Intel\ |reg|
diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index 45239ca56e..1014c45bc5 100644
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -236,3 +236,10 @@  Deprecation Notices
 * cmdline: ``cmdline`` structure will be made opaque to hide platform-specific
   content. On Linux and FreeBSD, supported prior to DPDK 20.11,
   original structure will be kept until DPDK 21.11.
+* raw/ioat: The ``ioat`` rawdev driver has been deprecated, since it's
+  functionality is provided through the new ``dmadev`` infrastructure.
+  To continue to use hardware previously supported by the ``ioat`` rawdev driver,
+  applications should be updated to use the ``dmadev`` library instead,
+  with the underlying HW-functionality being provided by the ``ioat`` or
+  ``idxd`` dma drivers