[dpdk-dev] [PATCH v2 6/6] crypto/mlx5: support on Windows

[Tal Shnaiderman <talshn@nvidia.com>]

Add support for mlx5 crypto pmd on Windows OS.
Add changes to release note and pmd guide.

Signed-off-by: Tal Shnaiderman <talshn@nvidia.com>
---
 doc/guides/cryptodevs/mlx5.rst               | 15 ++++++++++++---
 doc/guides/rel_notes/release_21_11.rst       |  1 +
 drivers/common/mlx5/version.map              |  2 +-
 drivers/common/mlx5/windows/mlx5_common_os.c |  2 +-
 drivers/crypto/mlx5/meson.build              |  4 ++--
 5 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/doc/guides/cryptodevs/mlx5.rst b/doc/guides/cryptodevs/mlx5.rst
index 68bfdf3a83..7338c0c493 100644
--- a/doc/guides/cryptodevs/mlx5.rst
+++ b/doc/guides/cryptodevs/mlx5.rst
@@ -39,12 +39,12 @@ or to access the hardware components directly.
 There are different levels of objects and bypassing abilities.
 To get the best performances:
 
-- Verbs is a complete high-level generic API.
-- Direct Verbs is a device-specific API.
+- Verbs is a complete high-level generic API (Linux only).
+- Direct Verbs is a device-specific API (Linux only).
 - DevX allows to access firmware objects.
 
 Enabling ``librte_crypto_mlx5`` causes DPDK applications
-to be linked against libibverbs.
+to be linked against libibverbs on Linux OS.
 
 In order to move the device to crypto operational mode, credential and KEK
 (Key Encrypting Key) should be set as the first step.
@@ -155,8 +155,17 @@ Limitations
 Prerequisites
 -------------
 
+Linux Prerequisites
+~~~~~~~~~~~~~~~~~~~
+
 - Mellanox OFED version: **5.3**
   see :doc:`../../nics/mlx5` guide for more Mellanox OFED details.
 
 - Compilation can be done also with rdma-core v15+.
   see :doc:`../../nics/mlx5` guide for more rdma-core details.
+
+Windows Prerequisites
+~~~~~~~~~~~~~~~~~~~~~
+
+- Mellanox WINOF-2 version: **2.60** or higher.
+  see :doc:`../../nics/mlx5` guide for more Mellanox WINOF-2 details.
diff --git a/doc/guides/rel_notes/release_21_11.rst b/doc/guides/rel_notes/release_21_11.rst
index 84278898b9..17a49c20ef 100644
--- a/doc/guides/rel_notes/release_21_11.rst
+++ b/doc/guides/rel_notes/release_21_11.rst
@@ -135,6 +135,7 @@ New Features
   Updated the Mellanox mlx5 driver with new features and improvements, including:
 
   * Added implicit mempool registration to avoid data path hiccups (opt-out).
+  * Added support for mlx5 crypto PMD on Windows operating system.
 
 
 Removed Items
diff --git a/drivers/common/mlx5/version.map b/drivers/common/mlx5/version.map
index 807043f22c..a30e0f9d12 100644
--- a/drivers/common/mlx5/version.map
+++ b/drivers/common/mlx5/version.map
@@ -16,7 +16,7 @@ INTERNAL {
 	mlx5_dev_mempool_unregister;
 	mlx5_dev_mempool_subscribe;
 
-	mlx5_devx_alloc_uar; # WINDOWS_NO_EXPORT
+	mlx5_devx_alloc_uar;
 
 	mlx5_devx_cmd_alloc_pd;
 	mlx5_devx_cmd_create_conn_track_offload_obj;
diff --git a/drivers/common/mlx5/windows/mlx5_common_os.c b/drivers/common/mlx5/windows/mlx5_common_os.c
index 44e8ebec2b..ea478d7395 100644
--- a/drivers/common/mlx5/windows/mlx5_common_os.c
+++ b/drivers/common/mlx5/windows/mlx5_common_os.c
@@ -202,7 +202,7 @@ mlx5_os_open_device(struct mlx5_common_device *cdev, uint32_t classes)
 	struct mlx5_context *mlx5_ctx = NULL;
 	int n;
 
-	if (classes != MLX5_CLASS_ETH) {
+	if (classes != MLX5_CLASS_ETH && classes != MLX5_CLASS_CRYPTO) {
 		DRV_LOG(ERR,
 			"The chosen classes are not supported on Windows.");
 		rte_errno = ENOTSUP;
diff --git a/drivers/crypto/mlx5/meson.build b/drivers/crypto/mlx5/meson.build
index 1d6e413dd5..9d9c9c00bc 100644
--- a/drivers/crypto/mlx5/meson.build
+++ b/drivers/crypto/mlx5/meson.build
@@ -1,9 +1,9 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright (c) 2021 NVIDIA Corporation & Affiliates
 
-if not is_linux
+if not (is_linux or is_windows)
     build = false
-    reason = 'only supported on Linux'
+    reason = 'only supported on Linux and Windows'
     subdir_done()
 endif
 
-- 
2.16.1.windows.4