[PATCH v2 25/25] doc: update cn20k CPT documentation

[Tejasree Kondoj]

Updating documentation for cn20k CPT support.

Signed-off-by: Tejasree Kondoj <ktejasree at marvell.com>
---
 doc/guides/cryptodevs/cnxk.rst           |  26 +++++-
 doc/guides/cryptodevs/features/cn20k.ini | 113 +++++++++++++++++++++++
 doc/guides/rel_notes/release_25_07.rst   |   3 +
 3 files changed, 137 insertions(+), 5 deletions(-)
 create mode 100644 doc/guides/cryptodevs/features/cn20k.ini

diff --git a/doc/guides/cryptodevs/cnxk.rst b/doc/guides/cryptodevs/cnxk.rst
index ac843ddc53..1799161fdf 100644
--- a/doc/guides/cryptodevs/cnxk.rst
+++ b/doc/guides/cryptodevs/cnxk.rst
@@ -9,8 +9,8 @@ cryptographic operations to cryptographic accelerator units on the
 **Marvell OCTEON cnxk** SoC family.
 
 The cnxk crypto PMD code is organized into different sets of files.
-The file names starting with cn9k and cn10k provides support for CN9XX
-and CN10XX respectively. The common code between the SoCs is present
+The file names starting with cn9k, cn10k and cn20k provides support for CN9XX,
+CN10XX and CN20XX respectively. The common code between the SoCs is present
 in file names starting with cnxk.
 
 More information about OCTEON cnxk SoCs may be obtained from `<https://www.marvell.com>`_
@@ -20,6 +20,7 @@ Supported OCTEON cnxk SoCs
 
 - CN9XX
 - CN10XX
+- CN20XX
 
 Features
 --------
@@ -144,7 +145,7 @@ Bind the CPT VF device to the vfio_pci driver:
 
       Refer to :ref:`linux_gsg_hugepages` for more details.
 
-``CN10K Initialization``
+``CN10K/CN20K Initialization``
 
 List the CPT PF devices available on cn10k platform:
 
@@ -232,6 +233,13 @@ running the test application:
     ./dpdk-test
     RTE>>cryptodev_cn10k_autotest
 
+``CN20K``
+
+.. code-block:: console
+
+    ./dpdk-test
+    RTE>>cryptodev_cn20k_autotest
+
 The asymmetric crypto operations on OCTEON cnxk crypto PMD may be verified by
 running the test application:
 
@@ -249,6 +257,13 @@ running the test application:
     ./dpdk-test
     RTE>>cryptodev_cn10k_asym_autotest
 
+``CN20K``
+
+.. code-block:: console
+
+    ./dpdk-test
+    RTE>>cryptodev_cn20k_asym_autotest
+
 Lookaside IPsec Support
 -----------------------
 
@@ -265,6 +280,7 @@ Supported OCTEON cnxk SoCs
 
 - CN9XX
 - CN10XX
+- CN20XX
 
 CN9XX Features supported
 ~~~~~~~~~~~~~~~~~~~~~~~~
@@ -301,8 +317,8 @@ Auth algorithms
 * AES-XCBC-96
 * AES-GMAC
 
-CN10XX Features supported
-~~~~~~~~~~~~~~~~~~~~~~~~~
+CN10XX/CN20XX Features supported
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 * IPv4
 * ESP
diff --git a/doc/guides/cryptodevs/features/cn20k.ini b/doc/guides/cryptodevs/features/cn20k.ini
new file mode 100644
index 0000000000..76553d190e
--- /dev/null
+++ b/doc/guides/cryptodevs/features/cn20k.ini
@@ -0,0 +1,113 @@
+;
+; Supported features of the 'cn20k' crypto driver.
+;
+; Refer to default.ini for the full list of available PMD features.
+;
+[Features]
+Symmetric crypto       = Y
+Asymmetric crypto      = Y
+Sym operation chaining = Y
+HW Accelerated         = Y
+Protocol offload       = Y
+In Place SGL           = Y
+OOP SGL In LB  Out     = Y
+OOP SGL In SGL Out     = Y
+OOP LB  In LB  Out     = Y
+Symmetric sessionless  = Y
+RSA PRIV OP KEY EXP    = Y
+RSA PRIV OP KEY QT     = Y
+Digest encrypted       = Y
+Sym raw data path API  = Y
+Inner checksum         = Y
+Rx inject              = Y
+
+;
+; Supported crypto algorithms of 'cn20k' crypto driver.
+;
+[Cipher]
+NULL           = Y
+3DES CBC       = Y
+3DES ECB       = Y
+AES CBC (128)  = Y
+AES CBC (192)  = Y
+AES CBC (256)  = Y
+AES CTR (128)  = Y
+AES CTR (192)  = Y
+AES CTR (256)  = Y
+AES XTS (128)  = Y
+AES XTS (256)  = Y
+DES CBC        = Y
+KASUMI F8      = Y
+SNOW3G UEA2    = Y
+ZUC EEA3       = Y
+SM4 ECB        = Y
+SM4 CBC        = Y
+SM4 CTR        = Y
+SM4 CFB        = Y
+SM4 OFB        = Y
+
+;
+; Supported authentication algorithms of 'cn20k' crypto driver.
+;
+[Auth]
+NULL            = Y
+AES GMAC        = Y
+KASUMI F9       = Y
+MD5             = Y
+MD5 HMAC        = Y
+SHA1            = Y
+SHA1 HMAC       = Y
+SHA224          = Y
+SHA224 HMAC     = Y
+SHA256          = Y
+SHA256 HMAC     = Y
+SHA384          = Y
+SHA384 HMAC     = Y
+SHA512          = Y
+SHA512 HMAC     = Y
+SNOW3G UIA2     = Y
+ZUC EIA3        = Y
+AES CMAC (128)  = Y
+AES CMAC (192)  = Y
+AES CMAC (256)  = Y
+SHA3_224        = Y
+SHA3_224 HMAC   = Y
+SHA3_256        = Y
+SHA3_256 HMAC   = Y
+SHA3_384        = Y
+SHA3_384 HMAC   = Y
+SHA3_512        = Y
+SHA3_512 HMAC   = Y
+SHAKE_128       = Y
+SHAKE_256       = Y
+SM3             = Y
+
+;
+; Supported AEAD algorithms of 'cn20k' crypto driver.
+;
+[AEAD]
+AES GCM (128)     = Y
+AES GCM (192)     = Y
+AES GCM (256)     = Y
+AES CCM (128)     = Y
+AES CCM (192)     = Y
+AES CCM (256)     = Y
+CHACHA20-POLY1305 = Y
+
+;
+; Supported Asymmetric algorithms of the 'cn20k' crypto driver.
+;
+[Asymmetric]
+RSA                     = Y
+Modular Exponentiation  = Y
+ECDH                    = Y
+ECDSA                   = Y
+ECPM                    = Y
+SM2                     = Y
+EdDSA                   = Y
+
+;
+; Supported Operating systems of the 'cn20k' crypto driver.
+;
+[OS]
+Linux = Y
diff --git a/doc/guides/rel_notes/release_25_07.rst b/doc/guides/rel_notes/release_25_07.rst
index f8ad77c2ca..5a772c0b69 100644
--- a/doc/guides/rel_notes/release_25_07.rst
+++ b/doc/guides/rel_notes/release_25_07.rst
@@ -74,6 +74,9 @@ New Features
 
   See the :doc:`../cryptodevs/zsda` guide for more details on the new driver.
 
+* **Updated Marvell cnxk crypto driver.**
+
+  * Added CPT PMD support for CN20K SoC.
 
 Removed Items
 -------------
-- 
2.25.1