Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 1 | /* |
Kristofer Jonsson | b42bc0b | 2023-01-04 17:09:28 +0100 | [diff] [blame] | 2 | * Copyright 2020-2023 Arm Limited and/or its affiliates |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 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 | /**************************************************************************** |
| 22 | * Includes |
| 23 | ****************************************************************************/ |
| 24 | |
| 25 | #include "ethosu_mailbox.h" |
| 26 | |
| 27 | #include "ethosu_buffer.h" |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 28 | #include "ethosu_core_rpmsg.h" |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 29 | #include "ethosu_device.h" |
| 30 | |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame^] | 31 | #include <linux/atomic.h> |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 32 | #include <linux/jiffies.h> |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 33 | #include <linux/resource.h> |
| 34 | #include <linux/uio.h> |
Mikael Olsson | 529cfad | 2023-06-14 17:14:14 +0200 | [diff] [blame] | 35 | #include <linux/bug.h> |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 36 | |
| 37 | /**************************************************************************** |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 38 | * Includes |
| 39 | ****************************************************************************/ |
| 40 | |
| 41 | #ifndef fallthrough |
| 42 | #if __has_attribute(__fallthrough__) |
| 43 | #define fallthrough __attribute__((__fallthrough__)) |
| 44 | #else |
| 45 | #define fallthrough do {} while (0) /* fallthrough */ |
| 46 | #endif |
| 47 | #endif |
| 48 | |
| 49 | /**************************************************************************** |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame^] | 50 | * Defines |
| 51 | ****************************************************************************/ |
| 52 | |
| 53 | #define MAILBOX_SEND_TIMEOUT_MS 15000 |
| 54 | |
| 55 | /**************************************************************************** |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 56 | * Functions |
| 57 | ****************************************************************************/ |
| 58 | |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame^] | 59 | /** |
| 60 | * ethosu_send_locked() - Blocking mailbox message sender |
| 61 | * |
| 62 | * Context: Can sleep and must be called with the device mutex locked. |
| 63 | * |
| 64 | * Return: 0 on success, else error code. |
| 65 | */ |
| 66 | static int ethosu_send_locked(struct ethosu_mailbox *mbox, |
| 67 | void *data, |
| 68 | size_t length) |
| 69 | { |
| 70 | DEFINE_WAIT_FUNC(wait, woken_wake_function); |
| 71 | struct device *dev = mbox->dev; |
| 72 | long timeout = msecs_to_jiffies(MAILBOX_SEND_TIMEOUT_MS); |
| 73 | bool try_send = !wq_has_sleeper(&mbox->send_queue); |
| 74 | int ret; |
| 75 | |
| 76 | might_sleep(); |
| 77 | |
| 78 | /* Exclusive wait to only wake up one task at a time */ |
| 79 | add_wait_queue_exclusive(&mbox->send_queue, &wait); |
| 80 | for (;;) { |
| 81 | /* Stop if the mailbox is closing down */ |
| 82 | if (atomic_read(&mbox->done)) { |
| 83 | ret = -ENODEV; |
| 84 | break; |
| 85 | } |
| 86 | |
| 87 | /* Attempt to send if queue is empty or task was woken up */ |
| 88 | if (try_send) { |
| 89 | ret = rpmsg_trysend(mbox->ept, data, length); |
| 90 | if (ret != -ENOMEM) |
| 91 | break; |
| 92 | } else { |
| 93 | try_send = true; |
| 94 | } |
| 95 | |
| 96 | /* Unlock device mutex while waiting to not block other tasks */ |
| 97 | device_unlock(dev); |
| 98 | timeout = wait_woken(&wait, TASK_INTERRUPTIBLE, timeout); |
| 99 | device_lock(dev); |
| 100 | |
| 101 | /* Stop if the wait was interrupted */ |
| 102 | if (signal_pending(current)) { |
| 103 | ret = -EINTR; |
| 104 | break; |
| 105 | } |
| 106 | |
| 107 | if (!timeout) { |
| 108 | ret = -ETIME; |
| 109 | break; |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | remove_wait_queue(&mbox->send_queue, &wait); |
| 114 | |
| 115 | /* |
| 116 | * If the message was sent successfully, there may be more TX buffers |
| 117 | * available so wake up the next waiting task. |
| 118 | */ |
| 119 | if (!ret && wq_has_sleeper(&mbox->send_queue)) |
| 120 | wake_up(&mbox->send_queue); |
| 121 | |
| 122 | return ret; |
| 123 | } |
| 124 | |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 125 | static void ethosu_core_set_size(struct ethosu_buffer *buf, |
| 126 | struct ethosu_core_buffer *cbuf) |
| 127 | { |
| 128 | cbuf->ptr = (uint32_t)buf->dma_addr + buf->offset; |
| 129 | cbuf->size = (uint32_t)buf->size; |
| 130 | } |
| 131 | |
| 132 | static void ethosu_core_set_capacity(struct ethosu_buffer *buf, |
| 133 | struct ethosu_core_buffer *cbuf) |
| 134 | { |
| 135 | cbuf->ptr = (uint32_t)buf->dma_addr + buf->offset + buf->size; |
| 136 | cbuf->size = (uint32_t)buf->capacity - buf->offset - buf->size; |
| 137 | } |
| 138 | |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 139 | int ethosu_mailbox_register(struct ethosu_mailbox *mbox, |
| 140 | struct ethosu_mailbox_msg *msg) |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 141 | { |
Mikael Olsson | 529cfad | 2023-06-14 17:14:14 +0200 | [diff] [blame] | 142 | WARN_ON_ONCE(!mutex_is_locked(&mbox->dev->mutex)); |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 143 | msg->id = idr_alloc_cyclic(&mbox->msg_idr, msg, 0, INT_MAX, GFP_KERNEL); |
| 144 | if (msg->id < 0) |
| 145 | return msg->id; |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 146 | |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 147 | return 0; |
| 148 | } |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 149 | |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 150 | void ethosu_mailbox_deregister(struct ethosu_mailbox *mbox, |
| 151 | struct ethosu_mailbox_msg *msg) |
| 152 | { |
Mikael Olsson | 529cfad | 2023-06-14 17:14:14 +0200 | [diff] [blame] | 153 | WARN_ON_ONCE(!mutex_is_locked(&mbox->dev->mutex)); |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 154 | idr_remove(&mbox->msg_idr, msg->id); |
| 155 | } |
| 156 | |
| 157 | struct ethosu_mailbox_msg *ethosu_mailbox_find(struct ethosu_mailbox *mbox, |
Mikael Olsson | 09965b0 | 2023-06-13 12:17:04 +0200 | [diff] [blame] | 158 | int msg_id, |
| 159 | uint32_t msg_type) |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 160 | { |
Mikael Olsson | 529cfad | 2023-06-14 17:14:14 +0200 | [diff] [blame] | 161 | struct ethosu_mailbox_msg *ptr; |
| 162 | |
| 163 | WARN_ON_ONCE(!mutex_is_locked(&mbox->dev->mutex)); |
| 164 | ptr = (struct ethosu_mailbox_msg *)idr_find(&mbox->msg_idr, msg_id); |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 165 | |
| 166 | if (ptr == NULL) |
Mikael Olsson | 09965b0 | 2023-06-13 12:17:04 +0200 | [diff] [blame] | 167 | return ERR_PTR(-ENOENT); |
| 168 | |
| 169 | if (ptr->type != msg_type) |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 170 | return ERR_PTR(-EINVAL); |
| 171 | |
| 172 | return ptr; |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 173 | } |
| 174 | |
| 175 | void ethosu_mailbox_fail(struct ethosu_mailbox *mbox) |
| 176 | { |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 177 | struct ethosu_mailbox_msg *cur; |
| 178 | int id; |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 179 | |
Mikael Olsson | 529cfad | 2023-06-14 17:14:14 +0200 | [diff] [blame] | 180 | WARN_ON_ONCE(!mutex_is_locked(&mbox->dev->mutex)); |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 181 | idr_for_each_entry(&mbox->msg_idr, cur, id) { |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 182 | cur->fail(cur); |
| 183 | } |
| 184 | } |
| 185 | |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 186 | int ethosu_mailbox_ping(struct ethosu_mailbox *mbox) |
| 187 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 188 | struct ethosu_core_rpmsg rpmsg = { |
| 189 | .header = { |
| 190 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 191 | .type = ETHOSU_CORE_MSG_PING, |
| 192 | } |
| 193 | }; |
| 194 | |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame^] | 195 | return ethosu_send_locked(mbox, &rpmsg, sizeof(rpmsg.header)); |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 196 | } |
| 197 | |
Jonny Svärd | 7c24c77 | 2021-01-14 19:53:17 +0100 | [diff] [blame] | 198 | int ethosu_mailbox_pong(struct ethosu_mailbox *mbox) |
| 199 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 200 | struct ethosu_core_rpmsg rpmsg = { |
| 201 | .header = { |
| 202 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 203 | .type = ETHOSU_CORE_MSG_PONG, |
| 204 | } |
| 205 | }; |
| 206 | |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame^] | 207 | return ethosu_send_locked(mbox, &rpmsg, sizeof(rpmsg.header)); |
Jonny Svärd | 7c24c77 | 2021-01-14 19:53:17 +0100 | [diff] [blame] | 208 | } |
| 209 | |
Mikael Olsson | 7c843dc | 2023-08-03 12:41:48 +0200 | [diff] [blame] | 210 | int ethosu_mailbox_version_request(struct ethosu_mailbox *mbox, |
| 211 | struct ethosu_mailbox_msg *msg) |
Jonny Svärd | 7c24c77 | 2021-01-14 19:53:17 +0100 | [diff] [blame] | 212 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 213 | struct ethosu_core_rpmsg rpmsg = { |
Mikael Olsson | 7c843dc | 2023-08-03 12:41:48 +0200 | [diff] [blame] | 214 | .header = { |
| 215 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 216 | .type = ETHOSU_CORE_MSG_VERSION_REQ, |
| 217 | .msg_id = msg->id |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 218 | } |
| 219 | }; |
| 220 | |
Mikael Olsson | 7c843dc | 2023-08-03 12:41:48 +0200 | [diff] [blame] | 221 | msg->type = rpmsg.header.type; |
| 222 | |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame^] | 223 | return ethosu_send_locked(mbox, &rpmsg, sizeof(rpmsg.header)); |
Jonny Svärd | 7c24c77 | 2021-01-14 19:53:17 +0100 | [diff] [blame] | 224 | } |
| 225 | |
Davide Grohmann | 35ce6c8 | 2021-06-01 15:03:51 +0200 | [diff] [blame] | 226 | int ethosu_mailbox_capabilities_request(struct ethosu_mailbox *mbox, |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 227 | struct ethosu_mailbox_msg *msg) |
Davide Grohmann | 35ce6c8 | 2021-06-01 15:03:51 +0200 | [diff] [blame] | 228 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 229 | struct ethosu_core_rpmsg rpmsg = { |
| 230 | .header = { |
| 231 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 232 | .type = ETHOSU_CORE_MSG_CAPABILITIES_REQ, |
| 233 | .msg_id = msg->id |
| 234 | } |
Davide Grohmann | 35ce6c8 | 2021-06-01 15:03:51 +0200 | [diff] [blame] | 235 | }; |
| 236 | |
Mikael Olsson | 09965b0 | 2023-06-13 12:17:04 +0200 | [diff] [blame] | 237 | msg->type = rpmsg.header.type; |
| 238 | |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame^] | 239 | return ethosu_send_locked(mbox, &rpmsg, sizeof(rpmsg.header)); |
Davide Grohmann | 35ce6c8 | 2021-06-01 15:03:51 +0200 | [diff] [blame] | 240 | } |
| 241 | |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 242 | int ethosu_mailbox_inference(struct ethosu_mailbox *mbox, |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 243 | struct ethosu_mailbox_msg *msg, |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 244 | uint32_t ifm_count, |
| 245 | struct ethosu_buffer **ifm, |
| 246 | uint32_t ofm_count, |
| 247 | struct ethosu_buffer **ofm, |
Per Åstrand | f7e407a | 2020-10-23 21:25:05 +0200 | [diff] [blame] | 248 | struct ethosu_buffer *network, |
Kristofer Jonsson | 35de9e6 | 2022-03-08 13:25:45 +0100 | [diff] [blame] | 249 | uint32_t network_index, |
Per Åstrand | f7e407a | 2020-10-23 21:25:05 +0200 | [diff] [blame] | 250 | uint8_t *pmu_event_config, |
| 251 | uint8_t pmu_event_config_count, |
| 252 | uint8_t pmu_cycle_counter_enable) |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 253 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 254 | struct ethosu_core_rpmsg rpmsg = { |
| 255 | .header = { |
| 256 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 257 | .type = ETHOSU_CORE_MSG_INFERENCE_REQ, |
| 258 | .msg_id = msg->id |
| 259 | } |
| 260 | }; |
| 261 | struct ethosu_core_msg_inference_req *inf_req = &rpmsg.inf_req; |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 262 | uint32_t i; |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 263 | |
Mikael Olsson | 09965b0 | 2023-06-13 12:17:04 +0200 | [diff] [blame] | 264 | msg->type = rpmsg.header.type; |
| 265 | |
Per Åstrand | f7e407a | 2020-10-23 21:25:05 +0200 | [diff] [blame] | 266 | /* Verify that the uapi and core has the same number of pmus */ |
| 267 | if (pmu_event_config_count != ETHOSU_CORE_PMU_MAX) { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 268 | dev_err(mbox->dev, "PMU count misconfigured."); |
Per Åstrand | f7e407a | 2020-10-23 21:25:05 +0200 | [diff] [blame] | 269 | |
| 270 | return -EINVAL; |
| 271 | } |
| 272 | |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 273 | inf_req->ifm_count = ifm_count; |
| 274 | inf_req->ofm_count = ofm_count; |
| 275 | inf_req->pmu_cycle_counter_enable = pmu_cycle_counter_enable; |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 276 | |
| 277 | for (i = 0; i < ifm_count; i++) |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 278 | ethosu_core_set_size(ifm[i], &inf_req->ifm[i]); |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 279 | |
| 280 | for (i = 0; i < ofm_count; i++) |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 281 | ethosu_core_set_capacity(ofm[i], &inf_req->ofm[i]); |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 282 | |
Per Åstrand | f7e407a | 2020-10-23 21:25:05 +0200 | [diff] [blame] | 283 | for (i = 0; i < ETHOSU_CORE_PMU_MAX; i++) |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 284 | inf_req->pmu_event_config[i] = pmu_event_config[i]; |
Per Åstrand | f7e407a | 2020-10-23 21:25:05 +0200 | [diff] [blame] | 285 | |
Kristofer Jonsson | 35de9e6 | 2022-03-08 13:25:45 +0100 | [diff] [blame] | 286 | if (network != NULL) { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 287 | inf_req->network.type = ETHOSU_CORE_NETWORK_BUFFER; |
| 288 | ethosu_core_set_size(network, &inf_req->network.buffer); |
Kristofer Jonsson | 35de9e6 | 2022-03-08 13:25:45 +0100 | [diff] [blame] | 289 | } else { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 290 | inf_req->network.type = ETHOSU_CORE_NETWORK_INDEX; |
| 291 | inf_req->network.index = network_index; |
Kristofer Jonsson | 35de9e6 | 2022-03-08 13:25:45 +0100 | [diff] [blame] | 292 | } |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 293 | |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame^] | 294 | return ethosu_send_locked(mbox, &rpmsg, |
| 295 | sizeof(rpmsg.header) + sizeof(rpmsg.inf_req)); |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 296 | } |
| 297 | |
Kristofer Jonsson | 3c6a260 | 2022-03-10 11:17:29 +0100 | [diff] [blame] | 298 | int ethosu_mailbox_network_info_request(struct ethosu_mailbox *mbox, |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 299 | struct ethosu_mailbox_msg *msg, |
Kristofer Jonsson | 3c6a260 | 2022-03-10 11:17:29 +0100 | [diff] [blame] | 300 | struct ethosu_buffer *network, |
| 301 | uint32_t network_index) |
| 302 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 303 | struct ethosu_core_rpmsg rpmsg = { |
| 304 | .header = { |
| 305 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 306 | .type = ETHOSU_CORE_MSG_NETWORK_INFO_REQ, |
| 307 | .msg_id = msg->id |
| 308 | } |
| 309 | }; |
| 310 | struct ethosu_core_msg_network_info_req *info_req = &rpmsg.net_info_req; |
Kristofer Jonsson | 3c6a260 | 2022-03-10 11:17:29 +0100 | [diff] [blame] | 311 | |
Mikael Olsson | 09965b0 | 2023-06-13 12:17:04 +0200 | [diff] [blame] | 312 | msg->type = rpmsg.header.type; |
| 313 | |
Kristofer Jonsson | 3c6a260 | 2022-03-10 11:17:29 +0100 | [diff] [blame] | 314 | if (network != NULL) { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 315 | info_req->network.type = ETHOSU_CORE_NETWORK_BUFFER; |
| 316 | ethosu_core_set_size(network, &info_req->network.buffer); |
Kristofer Jonsson | 3c6a260 | 2022-03-10 11:17:29 +0100 | [diff] [blame] | 317 | } else { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 318 | info_req->network.type = ETHOSU_CORE_NETWORK_INDEX; |
| 319 | info_req->network.index = network_index; |
Kristofer Jonsson | 3c6a260 | 2022-03-10 11:17:29 +0100 | [diff] [blame] | 320 | } |
| 321 | |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame^] | 322 | return ethosu_send_locked(mbox, &rpmsg, |
| 323 | sizeof(rpmsg.header) + |
| 324 | sizeof(rpmsg.net_info_req)); |
Kristofer Jonsson | 3c6a260 | 2022-03-10 11:17:29 +0100 | [diff] [blame] | 325 | } |
| 326 | |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 327 | int ethosu_mailbox_cancel_inference(struct ethosu_mailbox *mbox, |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 328 | struct ethosu_mailbox_msg *msg, |
| 329 | int inference_handle) |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 330 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 331 | struct ethosu_core_rpmsg rpmsg = { |
| 332 | .header = { |
| 333 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 334 | .type = |
| 335 | ETHOSU_CORE_MSG_CANCEL_INFERENCE_REQ, |
| 336 | .msg_id = msg->id |
| 337 | }, |
| 338 | .cancel_req = { |
| 339 | .inference_handle = inference_handle |
| 340 | } |
| 341 | }; |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 342 | |
Mikael Olsson | 09965b0 | 2023-06-13 12:17:04 +0200 | [diff] [blame] | 343 | msg->type = rpmsg.header.type; |
| 344 | |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame^] | 345 | return ethosu_send_locked(mbox, &rpmsg, |
| 346 | sizeof(rpmsg.header) + |
| 347 | sizeof(rpmsg.cancel_req)); |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 348 | } |
| 349 | |
| 350 | int ethosu_mailbox_init(struct ethosu_mailbox *mbox, |
| 351 | struct device *dev, |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 352 | struct rpmsg_endpoint *ept) |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 353 | { |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 354 | mbox->dev = dev; |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 355 | mbox->ept = ept; |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 356 | idr_init(&mbox->msg_idr); |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame^] | 357 | init_waitqueue_head(&mbox->send_queue); |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 358 | |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 359 | return 0; |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 360 | } |
| 361 | |
| 362 | void ethosu_mailbox_deinit(struct ethosu_mailbox *mbox) |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame^] | 363 | { |
| 364 | atomic_set(&mbox->done, 1); |
| 365 | wake_up_all(&mbox->send_queue); |
| 366 | } |