1 files changed, 84 insertions, 0 deletions
diff --git a/kernel/include/rpmsg/ethosu_rpmsg_network.h b/kernel/include/rpmsg/ethosu_rpmsg_network.h
new file mode 100644
index 0000000..269018a
--- /dev/null
+++ b/kernel/include/rpmsg/ethosu_rpmsg_network.h
@@ -0,0 +1,84 @@
+/*
+ * SPDX-FileCopyrightText: Copyright 2020, 2022-2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ * This program is free software and is provided to you under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation, and any use by you of this program is subject to the terms
+ * of such GNU licence.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you can access it online at
+ * http://www.gnu.org/licenses/gpl-2.0.html.
+ */
+
+#ifndef ETHOSU_NETWORK_H
+#define ETHOSU_NETWORK_H
+
+/****************************************************************************
+ * Includes
+ ****************************************************************************/
+
+#include <linux/kref.h>
+#include <linux/types.h>
+
+/****************************************************************************
+ * Types
+ ****************************************************************************/
+
+struct ethosu_buffer;
+struct ethosu_uapi_network_create;
+struct device;
+struct file;
+
+struct ethosu_network {
+	struct device         *dev;
+	struct ethosu_mailbox *mailbox;
+	struct file           *file;
+	struct kref           kref;
+	struct ethosu_dma_mem *dma_mem;
+	uint32_t              index;
+};
+
+/****************************************************************************
+ * Functions
+ ****************************************************************************/
+
+/**
+ * ethosu_network_create() - Create network
+ *
+ * This function must be called in the context of a user space process.
+ *
+ * Return: fd on success, else error code.
+ */
+int ethosu_network_create(struct device *dev,
+			  struct ethosu_mailbox *mailbox,
+			  struct ethosu_uapi_network_create *uapi);
+
+/**
+ * ethosu_network_get_from_fd() - Get network handle from fd
+ *
+ * This function must be called from a user space context.
+ *
+ * Return: Pointer on success, else ERR_PTR.
+ */
+struct ethosu_network *ethosu_network_get_from_fd(int fd);
+
+/**
+ * ethosu_network_get() - Get network
+ */
+void ethosu_network_get(struct ethosu_network *net);
+
+/**
+ * ethosu_network_put() - Put network
+ *
+ * Return: 1 if object was removed, else 0.
+ */
+int ethosu_network_put(struct ethosu_network *net);
+
+#endif /* ETHOSU_NETWORK_H */