raw/ioat: deprecate rawdev driver

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>

diff --git a/MAINTAINERS b/MAINTAINERS
index d357f72..04ea23a 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1333,7 +1333,7 @@ T: git://dpdk.org/next/dpdk-next-net-intel
 F: drivers/raw/ifpga/
 F: doc/guides/rawdevs/ifpga.rst
 
-IOAT Rawdev
+IOAT Rawdev - DEPRECATED
 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 a65530b..98d15dd 100644 (file)
--- 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 32fac9b..edfbe5d 100644 (file)
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -178,3 +178,10 @@ 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