idpf: add native idpf driver plugin

Add a new native idpf driver. This patch enables the device
initialization. Add some necessary functions and definations
for input and output. A new version of virtchnl is introduced.

Type: feature

Signed-off-by: Ting Xu <ting.xu@intel.com>
Change-Id: Ibbd9cd645e64469f1c4c8b33346c1301be3f6927

1 files changed, 111 insertions, 0 deletions

diff --git a/src/plugins/idpf/idpf_api.c b/src/plugins/idpf/idpf_api.c
new file mode 100644
index 00000000000..8ca78e62dc0
--- /dev/null
+++ b/src/plugins/idpf/idpf_api.c
@@ -0,0 +1,111 @@
+/*
+ *------------------------------------------------------------------
+ * Copyright (c) 2023 Intel and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+#include <vlib/vlib.h>
+#include <vlib/unix/unix.h>
+#include <vlib/pci/pci.h>
+#include <vnet/ethernet/ethernet.h>
+
+#include <idpf/idpf.h>
+
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+
+/* define message IDs */
+#include <idpf/idpf.api_enum.h>
+#include <idpf/idpf.api_types.h>
+
+#define REPLY_MSG_ID_BASE (im->msg_id_base)
+#include <vlibapi/api_helper_macros.h>
+
+static void
+vl_api_idpf_create_t_handler (vl_api_idpf_create_t *mp)
+{
+  vlib_main_t *vm = vlib_get_main ();
+  idpf_main_t *im = &idpf_main;
+  vl_api_idpf_create_reply_t *rmp;
+  idpf_create_if_args_t args;
+  int rv;
+
+  clib_memset (&args, 0, sizeof (idpf_create_if_args_t));
+
+  args.addr.as_u32 = ntohl (mp->pci_addr);
+  args.rxq_single = ntohs (mp->rxq_single);
+  args.txq_single = ntohs (mp->txq_single);
+  args.rxq_num = ntohs (mp->rxq_num);
+  args.txq_num = ntohs (mp->txq_num);
+  args.rxq_size = ntohs (mp->rxq_size);
+  args.txq_size = ntohs (mp->txq_size);
+  args.req_vport_nb = ntohs (mp->req_vport_nb);
+
+  idpf_create_if (vm, &args);
+  rv = args.rv;
+
+  REPLY_MACRO2 (VL_API_IDPF_CREATE_REPLY,
+		({ rmp->sw_if_index = ntohl (args.sw_if_index); }));
+}
+
+static void
+vl_api_idpf_delete_t_handler (vl_api_idpf_delete_t *mp)
+{
+  vlib_main_t *vm = vlib_get_main ();
+  vnet_main_t *vnm = vnet_get_main ();
+  idpf_main_t *im = &idpf_main;
+  vl_api_idpf_delete_reply_t *rmp;
+  vnet_hw_interface_t *hw;
+  int rv = 0;
+
+  hw = vnet_get_sup_hw_interface_api_visible_or_null (vnm,
+						      htonl (mp->sw_if_index));
+  if (hw == NULL || idpf_device_class.index != hw->dev_class_index)
+    {
+      rv = VNET_API_ERROR_INVALID_INTERFACE;
+      goto reply;
+    }
+
+  vlib_process_signal_event (vm, idpf_process_node.index,
+			     IDPF_PROCESS_EVENT_DELETE_IF, hw->dev_instance);
+
+reply:
+  REPLY_MACRO (VL_API_IDPF_DELETE_REPLY);
+}
+
+/* set tup the API message handling tables */
+#include <idpf/idpf.api.c>
+static clib_error_t *
+idpf_plugin_api_hookup (vlib_main_t *vm)
+{
+  idpf_main_t *ivm = &idpf_main;
+  api_main_t *am = vlibapi_get_main ();
+
+  /* ask for a correctly-sized block of API message decode slots */
+  ivm->msg_id_base = setup_message_id_table ();
+
+  vl_api_set_msg_thread_safe (am, ivm->msg_id_base + VL_API_IDPF_DELETE, 1);
+
+  return 0;
+}
+
+VLIB_API_INIT_FUNCTION (idpf_plugin_api_hookup);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */