| /* |
| * (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 |