| Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 1 | /* |
| 2 | * (C) COPYRIGHT 2020 ARM Limited. All rights reserved. |
| 3 | * |
| 4 | * This program is free software and is provided to you under the terms of the |
| 5 | * GNU General Public License version 2 as published by the Free Software |
| 6 | * Foundation, and any use by you of this program is subject to the terms |
| 7 | * of such GNU licence. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, you can access it online at |
| 16 | * http://www.gnu.org/licenses/gpl-2.0.html. |
| 17 | * |
| 18 | * SPDX-License-Identifier: GPL-2.0-only |
| 19 | */ |
| 20 | |
| 21 | #ifndef ETHOSU_H |
| 22 | #define ETHOSU_H |
| 23 | |
| 24 | /**************************************************************************** |
| 25 | * Includes |
| 26 | ****************************************************************************/ |
| 27 | |
| 28 | #include <linux/ioctl.h> |
| 29 | #include <linux/types.h> |
| 30 | |
| 31 | /**************************************************************************** |
| 32 | * Defines |
| 33 | ****************************************************************************/ |
| 34 | |
| 35 | #define ETHOSU_IOCTL_BASE 0x01 |
| 36 | #define ETHOSU_IO(nr) _IO(ETHOSU_IOCTL_BASE, nr) |
| 37 | #define ETHOSU_IOR(nr, type) _IOR(ETHOSU_IOCTL_BASE, nr, type) |
| 38 | #define ETHOSU_IOW(nr, type) _IOW(ETHOSU_IOCTL_BASE, nr, type) |
| 39 | #define ETHOSU_IOWR(nr, type) _IOWR(ETHOSU_IOCTL_BASE, nr, type) |
| 40 | |
| 41 | #define ETHOSU_IOCTL_PING ETHOSU_IO(0x00) |
| 42 | #define ETHOSU_IOCTL_BUFFER_CREATE ETHOSU_IOR(0x10, \ |
| 43 | struct ethosu_uapi_buffer_create) |
| 44 | #define ETHOSU_IOCTL_BUFFER_SET ETHOSU_IOR(0x11, \ |
| 45 | struct ethosu_uapi_buffer) |
| 46 | #define ETHOSU_IOCTL_BUFFER_GET ETHOSU_IOW(0x12, \ |
| 47 | struct ethosu_uapi_buffer) |
| 48 | #define ETHOSU_IOCTL_NETWORK_CREATE ETHOSU_IOR(0x20, \ |
| 49 | struct ethosu_uapi_network_create) |
| 50 | #define ETHOSU_IOCTL_INFERENCE_CREATE ETHOSU_IOR(0x30, \ |
| 51 | struct ethosu_uapi_inference_create) |
| 52 | #define ETHOSU_IOCTL_INFERENCE_STATUS ETHOSU_IO(0x31) |
| 53 | |
| 54 | /**************************************************************************** |
| 55 | * Types |
| 56 | ****************************************************************************/ |
| 57 | |
| 58 | /** |
| 59 | * enum ethosu_uapi_status - Status |
| 60 | */ |
| 61 | enum ethosu_uapi_status { |
| 62 | ETHOSU_UAPI_STATUS_OK, |
| 63 | ETHOSU_UAPI_STATUS_ERROR |
| 64 | }; |
| 65 | |
| 66 | /** |
| 67 | * struct ethosu_uapi_buffer_create - Create buffer request |
| 68 | * @capacity: Maximum capacity of the buffer |
| 69 | */ |
| 70 | struct ethosu_uapi_buffer_create { |
| 71 | __u32 capacity; |
| 72 | }; |
| 73 | |
| 74 | /** |
| 75 | * struct ethosu_uapi_buffer - Buffer descriptor |
| 76 | * @offset: Offset to where the data starts |
| 77 | * @size: Size of the data |
| 78 | * |
| 79 | * 'offset + size' must not exceed the capacity of the buffer. |
| 80 | */ |
| 81 | struct ethosu_uapi_buffer { |
| 82 | __u32 offset; |
| 83 | __u32 size; |
| 84 | }; |
| 85 | |
| 86 | /** |
| 87 | * struct ethosu_uapi_network_create - Create network request |
| 88 | * @fd: Buffer file descriptor |
| 89 | */ |
| 90 | struct ethosu_uapi_network_create { |
| 91 | __u32 fd; |
| 92 | }; |
| 93 | |
| 94 | /** |
| 95 | * struct ethosu_uapi_inference_create - Create network request |
| 96 | * @ifm_fd: IFM buffer file descriptor |
| 97 | * @ofm_fd: OFM buffer file descriptor |
| 98 | */ |
| 99 | struct ethosu_uapi_inference_create { |
| 100 | __u32 ifm_fd; |
| 101 | __u32 ofm_fd; |
| 102 | }; |
| 103 | |
| 104 | #endif |