Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 1 | /* |
Mikael Olsson | 6d5e2d2 | 2024-01-16 11:19:09 +0100 | [diff] [blame] | 2 | * SPDX-FileCopyrightText: Copyright 2022-2024 Arm Limited and/or its affiliates <open-source-office@arm.com> |
Ledion Daja | edd2550 | 2023-10-17 09:15:32 +0200 | [diff] [blame] | 3 | * SPDX-License-Identifier: GPL-2.0-only |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 4 | * |
| 5 | * This program is free software and is provided to you under the terms of the |
| 6 | * GNU General Public License version 2 as published by the Free Software |
| 7 | * Foundation, and any use by you of this program is subject to the terms |
| 8 | * of such GNU licence. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, you can access it online at |
| 17 | * http://www.gnu.org/licenses/gpl-2.0.html. |
| 18 | * |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 19 | */ |
| 20 | |
| 21 | /**************************************************************************** |
| 22 | * Includes |
| 23 | ****************************************************************************/ |
| 24 | |
Mikael Olsson | d4ad9e5 | 2024-02-07 11:22:26 +0100 | [diff] [blame] | 25 | #include <rpmsg/ethosu_rpmsg_cancel_inference.h> |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 26 | |
Mikael Olsson | d4ad9e5 | 2024-02-07 11:22:26 +0100 | [diff] [blame] | 27 | #include <common/ethosu_device.h> |
| 28 | #include <rpmsg/ethosu_rpmsg.h> |
| 29 | #include <rpmsg/ethosu_rpmsg_inference.h> |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 30 | |
Kristofer Jonsson | 074ef90 | 2023-01-23 13:05:36 +0100 | [diff] [blame] | 31 | #include <linux/remoteproc.h> |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 32 | #include <linux/wait.h> |
| 33 | |
| 34 | /**************************************************************************** |
| 35 | * Defines |
| 36 | ****************************************************************************/ |
| 37 | |
| 38 | #define CANCEL_INFERENCE_RESP_TIMEOUT_MS 2000 |
| 39 | |
| 40 | /**************************************************************************** |
| 41 | * Functions |
| 42 | ****************************************************************************/ |
| 43 | |
Mikael Olsson | 16be285 | 2024-02-12 09:56:56 +0100 | [diff] [blame] | 44 | static int ethosu_rpmsg_cancel_inference_send( |
| 45 | struct ethosu_rpmsg_cancel_inference *cancellation, |
| 46 | struct ethosu_rpmsg_mailbox *mailbox) |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 47 | { |
Mikael Olsson | 16be285 | 2024-02-12 09:56:56 +0100 | [diff] [blame] | 48 | return ethosu_rpmsg_mailbox_cancel_inference(mailbox, |
| 49 | &cancellation->msg, |
| 50 | cancellation->inf->msg.id); |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 51 | } |
| 52 | |
Mikael Olsson | 16be285 | 2024-02-12 09:56:56 +0100 | [diff] [blame] | 53 | static void ethosu_rpmsg_cancel_inference_fail( |
| 54 | struct ethosu_rpmsg_mailbox_msg *msg) |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 55 | { |
Mikael Olsson | 16be285 | 2024-02-12 09:56:56 +0100 | [diff] [blame] | 56 | struct ethosu_rpmsg_cancel_inference *cancellation = |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 57 | container_of(msg, typeof(*cancellation), msg); |
| 58 | |
| 59 | if (completion_done(&cancellation->done)) |
| 60 | return; |
| 61 | |
| 62 | cancellation->errno = -EFAULT; |
| 63 | cancellation->uapi->status = ETHOSU_UAPI_STATUS_ERROR; |
| 64 | complete(&cancellation->done); |
| 65 | } |
| 66 | |
Mikael Olsson | 16be285 | 2024-02-12 09:56:56 +0100 | [diff] [blame] | 67 | int ethosu_rpmsg_cancel_inference_request(struct device *dev, |
| 68 | struct ethosu_rpmsg_mailbox *mailbox, |
| 69 | struct ethosu_rpmsg_inference *inf, |
| 70 | struct ethosu_uapi_cancel_inference_status *uapi) |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 71 | { |
Mikael Olsson | 16be285 | 2024-02-12 09:56:56 +0100 | [diff] [blame] | 72 | struct ethosu_rpmsg_cancel_inference *cancellation; |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 73 | int ret; |
| 74 | int timeout; |
| 75 | |
| 76 | if (inf->done) { |
| 77 | uapi->status = ETHOSU_UAPI_STATUS_ERROR; |
| 78 | |
| 79 | return 0; |
| 80 | } |
| 81 | |
| 82 | cancellation = |
Kristofer Jonsson | ec47704 | 2023-01-20 13:38:13 +0100 | [diff] [blame] | 83 | devm_kzalloc(dev, |
Mikael Olsson | 16be285 | 2024-02-12 09:56:56 +0100 | [diff] [blame] | 84 | sizeof(struct ethosu_rpmsg_cancel_inference), |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 85 | GFP_KERNEL); |
Mikael Olsson | d80345f | 2024-04-04 17:28:52 +0200 | [diff] [blame^] | 86 | if (!cancellation) { |
| 87 | dev_err(dev, "Cancel inference. Failed to allocate struct"); |
| 88 | |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 89 | return -ENOMEM; |
Mikael Olsson | d80345f | 2024-04-04 17:28:52 +0200 | [diff] [blame^] | 90 | } |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 91 | |
| 92 | /* increase ref count on the inference we are refering to */ |
Mikael Olsson | 16be285 | 2024-02-12 09:56:56 +0100 | [diff] [blame] | 93 | ethosu_rpmsg_inference_get(inf); |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 94 | /* mark inference ABORTING to avoid resending the inference message */ |
Mikael Olsson | 6d5e2d2 | 2024-01-16 11:19:09 +0100 | [diff] [blame] | 95 | inf->status = ETHOSU_UAPI_STATUS_ABORTING; |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 96 | |
Kristofer Jonsson | ec47704 | 2023-01-20 13:38:13 +0100 | [diff] [blame] | 97 | cancellation->dev = dev; |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 98 | cancellation->inf = inf; |
| 99 | cancellation->uapi = uapi; |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 100 | init_completion(&cancellation->done); |
Mikael Olsson | 16be285 | 2024-02-12 09:56:56 +0100 | [diff] [blame] | 101 | cancellation->msg.fail = ethosu_rpmsg_cancel_inference_fail; |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 102 | |
Mikael Olsson | 16be285 | 2024-02-12 09:56:56 +0100 | [diff] [blame] | 103 | ret = ethosu_rpmsg_mailbox_register(mailbox, |
| 104 | &cancellation->msg); |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 105 | if (ret < 0) |
| 106 | goto kfree; |
| 107 | |
Ledion Daja | edd2550 | 2023-10-17 09:15:32 +0200 | [diff] [blame] | 108 | dev_dbg(dev, |
| 109 | "Inference cancellation create. cancel=0x%pK, msg.id=%ddev", |
| 110 | cancellation, cancellation->msg.id); |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 111 | |
Mikael Olsson | 16be285 | 2024-02-12 09:56:56 +0100 | [diff] [blame] | 112 | ret = ethosu_rpmsg_cancel_inference_send(cancellation, mailbox); |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 113 | if (0 != ret) |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 114 | goto deregister; |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 115 | |
| 116 | /* Unlock the mutex before going to block on the condition */ |
Kristofer Jonsson | ec47704 | 2023-01-20 13:38:13 +0100 | [diff] [blame] | 117 | device_unlock(dev); |
Kristofer Jonsson | 074ef90 | 2023-01-23 13:05:36 +0100 | [diff] [blame] | 118 | |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 119 | /* wait for response to arrive back */ |
| 120 | timeout = wait_for_completion_timeout(&cancellation->done, |
| 121 | msecs_to_jiffies( |
| 122 | CANCEL_INFERENCE_RESP_TIMEOUT_MS)); |
| 123 | /* take back the mutex before resuming to do anything */ |
Kristofer Jonsson | ec47704 | 2023-01-20 13:38:13 +0100 | [diff] [blame] | 124 | ret = device_lock_interruptible(dev); |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 125 | if (0 != ret) |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 126 | goto deregister; |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 127 | |
| 128 | if (0 == timeout /* timed out*/) { |
Kristofer Jonsson | ec47704 | 2023-01-20 13:38:13 +0100 | [diff] [blame] | 129 | dev_warn(dev, |
| 130 | "Msg: Cancel Inference response lost - timeoutdev"); |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 131 | ret = -EIO; |
Kristofer Jonsson | 074ef90 | 2023-01-23 13:05:36 +0100 | [diff] [blame] | 132 | |
| 133 | rproc_report_crash(rproc_get_by_child(dev), RPROC_FATAL_ERROR); |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 134 | goto deregister; |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 135 | } |
| 136 | |
| 137 | if (cancellation->errno) { |
| 138 | ret = cancellation->errno; |
Kristofer Jonsson | 074ef90 | 2023-01-23 13:05:36 +0100 | [diff] [blame] | 139 | rproc_report_crash(rproc_get_by_child(dev), RPROC_FATAL_ERROR); |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 140 | goto deregister; |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 141 | } |
| 142 | |
Mikael Olsson | 6d5e2d2 | 2024-01-16 11:19:09 +0100 | [diff] [blame] | 143 | if (inf->status != ETHOSU_UAPI_STATUS_ABORTED) |
| 144 | inf->status = ETHOSU_UAPI_STATUS_ABORTED; |
| 145 | |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 146 | deregister: |
Mikael Olsson | 16be285 | 2024-02-12 09:56:56 +0100 | [diff] [blame] | 147 | ethosu_rpmsg_mailbox_deregister(mailbox, |
| 148 | &cancellation->msg); |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 149 | |
| 150 | kfree: |
Ledion Daja | edd2550 | 2023-10-17 09:15:32 +0200 | [diff] [blame] | 151 | dev_dbg(dev, |
| 152 | "Cancel inference destroy. cancel=0x%pK", cancellation); |
Kristofer Jonsson | 074ef90 | 2023-01-23 13:05:36 +0100 | [diff] [blame] | 153 | |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 154 | /* decrease the reference on the inference we are refering to */ |
Mikael Olsson | 16be285 | 2024-02-12 09:56:56 +0100 | [diff] [blame] | 155 | ethosu_rpmsg_inference_put(cancellation->inf); |
Kristofer Jonsson | ec47704 | 2023-01-20 13:38:13 +0100 | [diff] [blame] | 156 | devm_kfree(dev, cancellation); |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 157 | |
| 158 | return ret; |
| 159 | } |
| 160 | |
Mikael Olsson | 16be285 | 2024-02-12 09:56:56 +0100 | [diff] [blame] | 161 | void ethosu_rpmsg_cancel_inference_rsp(struct ethosu_rpmsg_mailbox *mailbox, |
| 162 | int msg_id, |
| 163 | struct ethosu_rpmsg_cancel_inference_rsp *rsp) |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 164 | { |
Kristofer Jonsson | ec47704 | 2023-01-20 13:38:13 +0100 | [diff] [blame] | 165 | struct device *dev = mailbox->dev; |
Mikael Olsson | 16be285 | 2024-02-12 09:56:56 +0100 | [diff] [blame] | 166 | struct ethosu_rpmsg_mailbox_msg *msg; |
| 167 | struct ethosu_rpmsg_cancel_inference *cancellation; |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 168 | |
Mikael Olsson | 16be285 | 2024-02-12 09:56:56 +0100 | [diff] [blame] | 169 | msg = ethosu_rpmsg_mailbox_find(mailbox, msg_id, |
| 170 | ETHOSU_RPMSG_CANCEL_INFERENCE_REQ); |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 171 | if (IS_ERR(msg)) { |
Kristofer Jonsson | ec47704 | 2023-01-20 13:38:13 +0100 | [diff] [blame] | 172 | dev_warn(dev, |
Mikael Olsson | 09965b0 | 2023-06-13 12:17:04 +0200 | [diff] [blame] | 173 | "Id for cancel inference msg not found. Id=0x%x: %ld", |
| 174 | msg_id, PTR_ERR(msg)); |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 175 | |
| 176 | return; |
| 177 | } |
| 178 | |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 179 | cancellation = container_of(msg, typeof(*cancellation), msg); |
| 180 | |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 181 | if (completion_done(&cancellation->done)) |
| 182 | return; |
| 183 | |
| 184 | cancellation->errno = 0; |
| 185 | switch (rsp->status) { |
Mikael Olsson | 16be285 | 2024-02-12 09:56:56 +0100 | [diff] [blame] | 186 | case ETHOSU_RPMSG_STATUS_OK: |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 187 | cancellation->uapi->status = ETHOSU_UAPI_STATUS_OK; |
| 188 | break; |
Mikael Olsson | 16be285 | 2024-02-12 09:56:56 +0100 | [diff] [blame] | 189 | case ETHOSU_RPMSG_STATUS_ERROR: |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 190 | cancellation->uapi->status = ETHOSU_UAPI_STATUS_ERROR; |
| 191 | break; |
| 192 | } |
| 193 | |
| 194 | complete(&cancellation->done); |
| 195 | } |