1 files changed, 104 insertions, 0 deletions
diff --git a/kernel/uapi/ethosu.h b/kernel/uapi/ethosu.h
new file mode 100644
index 0000000..2eca2c4
--- /dev/null
+++ b/kernel/uapi/ethosu.h
@@ -0,0 +1,104 @@
+/*
+ * (C) COPYRIGHT 2020 ARM Limited. All rights reserved.
+ *
+ * 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.
+ *
+ * SPDX-License-Identifier: GPL-2.0-only
+ */
+
+#ifndef ETHOSU_H
+#define ETHOSU_H
+
+/****************************************************************************
+ * Includes
+ ****************************************************************************/
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+/****************************************************************************
+ * Defines
+ ****************************************************************************/
+
+#define ETHOSU_IOCTL_BASE               0x01
+#define ETHOSU_IO(nr)                   _IO(ETHOSU_IOCTL_BASE, nr)
+#define ETHOSU_IOR(nr, type)            _IOR(ETHOSU_IOCTL_BASE, nr, type)
+#define ETHOSU_IOW(nr, type)            _IOW(ETHOSU_IOCTL_BASE, nr, type)
+#define ETHOSU_IOWR(nr, type)           _IOWR(ETHOSU_IOCTL_BASE, nr, type)
+
+#define ETHOSU_IOCTL_PING               ETHOSU_IO(0x00)
+#define ETHOSU_IOCTL_BUFFER_CREATE      ETHOSU_IOR(0x10, \
+						   struct ethosu_uapi_buffer_create)
+#define ETHOSU_IOCTL_BUFFER_SET         ETHOSU_IOR(0x11, \
+						   struct ethosu_uapi_buffer)
+#define ETHOSU_IOCTL_BUFFER_GET         ETHOSU_IOW(0x12, \
+						   struct ethosu_uapi_buffer)
+#define ETHOSU_IOCTL_NETWORK_CREATE     ETHOSU_IOR(0x20, \
+						   struct ethosu_uapi_network_create)
+#define ETHOSU_IOCTL_INFERENCE_CREATE   ETHOSU_IOR(0x30, \
+						   struct ethosu_uapi_inference_create)
+#define ETHOSU_IOCTL_INFERENCE_STATUS   ETHOSU_IO(0x31)
+
+/****************************************************************************
+ * Types
+ ****************************************************************************/
+
+/**
+ * enum ethosu_uapi_status - Status
+ */
+enum ethosu_uapi_status {
+	ETHOSU_UAPI_STATUS_OK,
+	ETHOSU_UAPI_STATUS_ERROR
+};
+
+/**
+ * struct ethosu_uapi_buffer_create - Create buffer request
+ * @capacity:	Maximum capacity of the buffer
+ */
+struct ethosu_uapi_buffer_create {
+	__u32 capacity;
+};
+
+/**
+ * struct ethosu_uapi_buffer - Buffer descriptor
+ * @offset:	Offset to where the data starts
+ * @size:	Size of the data
+ *
+ * 'offset + size' must not exceed the capacity of the buffer.
+ */
+struct ethosu_uapi_buffer {
+	__u32 offset;
+	__u32 size;
+};
+
+/**
+ * struct ethosu_uapi_network_create - Create network request
+ * @fd:		Buffer file descriptor
+ */
+struct ethosu_uapi_network_create {
+	__u32 fd;
+};
+
+/**
+ * struct ethosu_uapi_inference_create - Create network request
+ * @ifm_fd:		IFM buffer file descriptor
+ * @ofm_fd:		OFM buffer file descriptor
+ */
+struct ethosu_uapi_inference_create {
+	__u32 ifm_fd;
+	__u32 ofm_fd;
+};
+
+#endif