| 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_CORE_INTERFACE_H |
| 22 | #define ETHOSU_CORE_INTERFACE_H |
| 23 | |
| 24 | #ifdef __KERNEL__ |
| 25 | #include <linux/types.h> |
| 26 | #else |
| 27 | #include <stdint.h> |
| 28 | #endif |
| 29 | |
| 30 | /** |
| 31 | * enum ethosu_core_msg_type - Message types |
| 32 | * |
| 33 | * Types for the messages sent between the host and the core subsystem. |
| 34 | */ |
| 35 | enum ethosu_core_msg_type { |
| 36 | ETHOSU_CORE_MSG_PING = 1, |
| 37 | ETHOSU_CORE_MSG_PONG, |
| 38 | ETHOSU_CORE_MSG_INFERENCE_REQ, |
| 39 | ETHOSU_CORE_MSG_INFERENCE_RSP, |
| 40 | ETHOSU_CORE_MSG_MAX |
| 41 | }; |
| 42 | |
| 43 | /** |
| 44 | * struct ethosu_core_msg - Message header |
| 45 | */ |
| 46 | struct ethosu_core_msg { |
| 47 | uint32_t type; |
| 48 | uint32_t length; |
| 49 | }; |
| 50 | |
| 51 | /** |
| 52 | * struct ethosu_core_queue_header - Message queue header |
| 53 | */ |
| 54 | struct ethosu_core_queue_header { |
| 55 | uint32_t size; |
| 56 | uint32_t read; |
| 57 | uint32_t write; |
| 58 | }; |
| 59 | |
| 60 | /** |
| 61 | * struct ethosu_core_queue - Message queue |
| 62 | * |
| 63 | * Dynamically sized message queue. |
| 64 | */ |
| 65 | struct ethosu_core_queue { |
| 66 | struct ethosu_core_queue_header header; |
| 67 | uint8_t data[]; |
| 68 | }; |
| 69 | |
| 70 | enum ethosu_core_status { |
| 71 | ETHOSU_CORE_STATUS_OK, |
| 72 | ETHOSU_CORE_STATUS_ERROR |
| 73 | }; |
| 74 | |
| 75 | struct ethosu_core_buffer { |
| 76 | uint32_t ptr; |
| 77 | uint32_t size; |
| 78 | }; |
| 79 | |
| 80 | struct ethosu_core_inference_req { |
| 81 | uint64_t user_arg; |
| 82 | struct ethosu_core_buffer ifm; |
| 83 | struct ethosu_core_buffer ofm; |
| 84 | struct ethosu_core_buffer network; |
| 85 | }; |
| 86 | |
| 87 | struct ethosu_core_inference_rsp { |
| 88 | uint64_t user_arg; |
| 89 | uint32_t ofm_size; |
| 90 | uint32_t status; |
| 91 | }; |
| 92 | |
| 93 | #endif |