doc: announce cryptodev xform API change

This patch adds the deprecation notice of changing Cryptodev
symmetric xform structure. The proposed change is to making
key pointers in the crypto xforms (cipher, auth, aead) to
indicate neither the library or the drivers will not change
the content of the key buffer.

Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>
Acked-by: Fiona Trahe <fiona.trahe@intel.com>
Acked-by: Anoob Joseph <anoobj@marvell.com>

diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index d5a79a3622fc2f5149ec35c46300a3ea4dcbaa8f..ba39c2d621f67af6d8d87aa0e96fe0e3c08c95a9 100644 (file)
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -83,3 +83,7 @@ Deprecation Notices
   - Member ``uint64_t ff_disable`` in ``rte_cryptodev_config``
 
   The field would be added in v19.08.
+
+* cryptodev: the ``uint8_t *data`` member of ``key`` structure in the xforms
+  structure (``rte_crypto_cipher_xform``, ``rte_crypto_auth_xform``, and
+  ``rte_crypto_aead_xform``) will be changed to ``const uint8_t *data``.