Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 1 | /* |
Mikael Olsson | 0754515 | 2023-10-17 13:05:38 +0200 | [diff] [blame] | 2 | * SPDX-FileCopyrightText: Copyright 2020-2023 Arm Limited and/or its affiliates <open-source-office@arm.com> |
| 3 | * SPDX-License-Identifier: GPL-2.0-only |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [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. |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 18 | */ |
| 19 | |
| 20 | /**************************************************************************** |
| 21 | * Includes |
| 22 | ****************************************************************************/ |
| 23 | |
| 24 | #include "ethosu_mailbox.h" |
| 25 | |
| 26 | #include "ethosu_buffer.h" |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 27 | #include "ethosu_core_rpmsg.h" |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 28 | #include "ethosu_device.h" |
Mikael Olsson | 9c999fd | 2023-10-30 11:05:39 +0100 | [diff] [blame^] | 29 | #include "ethosu_dma_mem.h" |
| 30 | #include "ethosu_network.h" |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 31 | |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame] | 32 | #include <linux/atomic.h> |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 33 | #include <linux/jiffies.h> |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 34 | #include <linux/resource.h> |
| 35 | #include <linux/uio.h> |
Mikael Olsson | 529cfad | 2023-06-14 17:14:14 +0200 | [diff] [blame] | 36 | #include <linux/bug.h> |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 37 | |
| 38 | /**************************************************************************** |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 39 | * Includes |
| 40 | ****************************************************************************/ |
| 41 | |
| 42 | #ifndef fallthrough |
| 43 | #if __has_attribute(__fallthrough__) |
| 44 | #define fallthrough __attribute__((__fallthrough__)) |
| 45 | #else |
| 46 | #define fallthrough do {} while (0) /* fallthrough */ |
| 47 | #endif |
| 48 | #endif |
| 49 | |
| 50 | /**************************************************************************** |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame] | 51 | * Defines |
| 52 | ****************************************************************************/ |
| 53 | |
| 54 | #define MAILBOX_SEND_TIMEOUT_MS 15000 |
| 55 | |
| 56 | /**************************************************************************** |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 57 | * Functions |
| 58 | ****************************************************************************/ |
| 59 | |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame] | 60 | /** |
| 61 | * ethosu_send_locked() - Blocking mailbox message sender |
| 62 | * |
| 63 | * Context: Can sleep and must be called with the device mutex locked. |
| 64 | * |
| 65 | * Return: 0 on success, else error code. |
| 66 | */ |
| 67 | static int ethosu_send_locked(struct ethosu_mailbox *mbox, |
| 68 | void *data, |
| 69 | size_t length) |
| 70 | { |
| 71 | DEFINE_WAIT_FUNC(wait, woken_wake_function); |
| 72 | struct device *dev = mbox->dev; |
| 73 | long timeout = msecs_to_jiffies(MAILBOX_SEND_TIMEOUT_MS); |
| 74 | bool try_send = !wq_has_sleeper(&mbox->send_queue); |
| 75 | int ret; |
| 76 | |
| 77 | might_sleep(); |
| 78 | |
| 79 | /* Exclusive wait to only wake up one task at a time */ |
| 80 | add_wait_queue_exclusive(&mbox->send_queue, &wait); |
| 81 | for (;;) { |
| 82 | /* Stop if the mailbox is closing down */ |
| 83 | if (atomic_read(&mbox->done)) { |
| 84 | ret = -ENODEV; |
| 85 | break; |
| 86 | } |
| 87 | |
| 88 | /* Attempt to send if queue is empty or task was woken up */ |
| 89 | if (try_send) { |
| 90 | ret = rpmsg_trysend(mbox->ept, data, length); |
| 91 | if (ret != -ENOMEM) |
| 92 | break; |
| 93 | } else { |
| 94 | try_send = true; |
| 95 | } |
| 96 | |
| 97 | /* Unlock device mutex while waiting to not block other tasks */ |
| 98 | device_unlock(dev); |
| 99 | timeout = wait_woken(&wait, TASK_INTERRUPTIBLE, timeout); |
| 100 | device_lock(dev); |
| 101 | |
| 102 | /* Stop if the wait was interrupted */ |
| 103 | if (signal_pending(current)) { |
| 104 | ret = -EINTR; |
| 105 | break; |
| 106 | } |
| 107 | |
| 108 | if (!timeout) { |
| 109 | ret = -ETIME; |
| 110 | break; |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | remove_wait_queue(&mbox->send_queue, &wait); |
| 115 | |
| 116 | /* |
| 117 | * If the message was sent successfully, there may be more TX buffers |
| 118 | * available so wake up the next waiting task. |
| 119 | */ |
| 120 | if (!ret && wq_has_sleeper(&mbox->send_queue)) |
| 121 | wake_up(&mbox->send_queue); |
| 122 | |
| 123 | return ret; |
| 124 | } |
| 125 | |
Mikael Olsson | 9c999fd | 2023-10-30 11:05:39 +0100 | [diff] [blame^] | 126 | static void ethosu_core_buffer_dma_mem_set(struct ethosu_dma_mem *dma_mem, |
| 127 | struct ethosu_core_buffer *cbuf) |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 128 | { |
Mikael Olsson | 9c999fd | 2023-10-30 11:05:39 +0100 | [diff] [blame^] | 129 | cbuf->ptr = (uint32_t)dma_mem->dma_addr; |
| 130 | cbuf->size = (uint32_t)dma_mem->size; |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 131 | } |
| 132 | |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 133 | int ethosu_mailbox_register(struct ethosu_mailbox *mbox, |
| 134 | struct ethosu_mailbox_msg *msg) |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 135 | { |
Mikael Olsson | 529cfad | 2023-06-14 17:14:14 +0200 | [diff] [blame] | 136 | WARN_ON_ONCE(!mutex_is_locked(&mbox->dev->mutex)); |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 137 | msg->id = idr_alloc_cyclic(&mbox->msg_idr, msg, 0, INT_MAX, GFP_KERNEL); |
| 138 | if (msg->id < 0) |
| 139 | return msg->id; |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 140 | |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 141 | return 0; |
| 142 | } |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 143 | |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 144 | void ethosu_mailbox_deregister(struct ethosu_mailbox *mbox, |
| 145 | struct ethosu_mailbox_msg *msg) |
| 146 | { |
Mikael Olsson | 529cfad | 2023-06-14 17:14:14 +0200 | [diff] [blame] | 147 | WARN_ON_ONCE(!mutex_is_locked(&mbox->dev->mutex)); |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 148 | idr_remove(&mbox->msg_idr, msg->id); |
| 149 | } |
| 150 | |
| 151 | struct ethosu_mailbox_msg *ethosu_mailbox_find(struct ethosu_mailbox *mbox, |
Mikael Olsson | 09965b0 | 2023-06-13 12:17:04 +0200 | [diff] [blame] | 152 | int msg_id, |
| 153 | uint32_t msg_type) |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 154 | { |
Mikael Olsson | 529cfad | 2023-06-14 17:14:14 +0200 | [diff] [blame] | 155 | struct ethosu_mailbox_msg *ptr; |
| 156 | |
| 157 | WARN_ON_ONCE(!mutex_is_locked(&mbox->dev->mutex)); |
| 158 | ptr = (struct ethosu_mailbox_msg *)idr_find(&mbox->msg_idr, msg_id); |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 159 | |
| 160 | if (ptr == NULL) |
Mikael Olsson | 09965b0 | 2023-06-13 12:17:04 +0200 | [diff] [blame] | 161 | return ERR_PTR(-ENOENT); |
| 162 | |
| 163 | if (ptr->type != msg_type) |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 164 | return ERR_PTR(-EINVAL); |
| 165 | |
| 166 | return ptr; |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 167 | } |
| 168 | |
| 169 | void ethosu_mailbox_fail(struct ethosu_mailbox *mbox) |
| 170 | { |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 171 | struct ethosu_mailbox_msg *cur; |
| 172 | int id; |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 173 | |
Mikael Olsson | 529cfad | 2023-06-14 17:14:14 +0200 | [diff] [blame] | 174 | WARN_ON_ONCE(!mutex_is_locked(&mbox->dev->mutex)); |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 175 | idr_for_each_entry(&mbox->msg_idr, cur, id) { |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 176 | cur->fail(cur); |
| 177 | } |
| 178 | } |
| 179 | |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 180 | int ethosu_mailbox_ping(struct ethosu_mailbox *mbox) |
| 181 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 182 | struct ethosu_core_rpmsg rpmsg = { |
| 183 | .header = { |
| 184 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 185 | .type = ETHOSU_CORE_MSG_PING, |
| 186 | } |
| 187 | }; |
| 188 | |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame] | 189 | return ethosu_send_locked(mbox, &rpmsg, sizeof(rpmsg.header)); |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 190 | } |
| 191 | |
Jonny Svärd | 7c24c77 | 2021-01-14 19:53:17 +0100 | [diff] [blame] | 192 | int ethosu_mailbox_pong(struct ethosu_mailbox *mbox) |
| 193 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 194 | struct ethosu_core_rpmsg rpmsg = { |
| 195 | .header = { |
| 196 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 197 | .type = ETHOSU_CORE_MSG_PONG, |
| 198 | } |
| 199 | }; |
| 200 | |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame] | 201 | return ethosu_send_locked(mbox, &rpmsg, sizeof(rpmsg.header)); |
Jonny Svärd | 7c24c77 | 2021-01-14 19:53:17 +0100 | [diff] [blame] | 202 | } |
| 203 | |
Mikael Olsson | 7c843dc | 2023-08-03 12:41:48 +0200 | [diff] [blame] | 204 | int ethosu_mailbox_version_request(struct ethosu_mailbox *mbox, |
| 205 | struct ethosu_mailbox_msg *msg) |
Jonny Svärd | 7c24c77 | 2021-01-14 19:53:17 +0100 | [diff] [blame] | 206 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 207 | struct ethosu_core_rpmsg rpmsg = { |
Mikael Olsson | 7c843dc | 2023-08-03 12:41:48 +0200 | [diff] [blame] | 208 | .header = { |
| 209 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 210 | .type = ETHOSU_CORE_MSG_VERSION_REQ, |
| 211 | .msg_id = msg->id |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 212 | } |
| 213 | }; |
| 214 | |
Mikael Olsson | 7c843dc | 2023-08-03 12:41:48 +0200 | [diff] [blame] | 215 | msg->type = rpmsg.header.type; |
| 216 | |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame] | 217 | return ethosu_send_locked(mbox, &rpmsg, sizeof(rpmsg.header)); |
Jonny Svärd | 7c24c77 | 2021-01-14 19:53:17 +0100 | [diff] [blame] | 218 | } |
| 219 | |
Davide Grohmann | 35ce6c8 | 2021-06-01 15:03:51 +0200 | [diff] [blame] | 220 | int ethosu_mailbox_capabilities_request(struct ethosu_mailbox *mbox, |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 221 | struct ethosu_mailbox_msg *msg) |
Davide Grohmann | 35ce6c8 | 2021-06-01 15:03:51 +0200 | [diff] [blame] | 222 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 223 | struct ethosu_core_rpmsg rpmsg = { |
| 224 | .header = { |
| 225 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 226 | .type = ETHOSU_CORE_MSG_CAPABILITIES_REQ, |
| 227 | .msg_id = msg->id |
| 228 | } |
Davide Grohmann | 35ce6c8 | 2021-06-01 15:03:51 +0200 | [diff] [blame] | 229 | }; |
| 230 | |
Mikael Olsson | 09965b0 | 2023-06-13 12:17:04 +0200 | [diff] [blame] | 231 | msg->type = rpmsg.header.type; |
| 232 | |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame] | 233 | return ethosu_send_locked(mbox, &rpmsg, sizeof(rpmsg.header)); |
Davide Grohmann | 35ce6c8 | 2021-06-01 15:03:51 +0200 | [diff] [blame] | 234 | } |
| 235 | |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 236 | int ethosu_mailbox_inference(struct ethosu_mailbox *mbox, |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 237 | struct ethosu_mailbox_msg *msg, |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 238 | uint32_t ifm_count, |
| 239 | struct ethosu_buffer **ifm, |
| 240 | uint32_t ofm_count, |
| 241 | struct ethosu_buffer **ofm, |
Per Åstrand | f7e407a | 2020-10-23 21:25:05 +0200 | [diff] [blame] | 242 | struct ethosu_buffer *network, |
Kristofer Jonsson | 35de9e6 | 2022-03-08 13:25:45 +0100 | [diff] [blame] | 243 | uint32_t network_index, |
Per Åstrand | f7e407a | 2020-10-23 21:25:05 +0200 | [diff] [blame] | 244 | uint8_t *pmu_event_config, |
| 245 | uint8_t pmu_event_config_count, |
| 246 | uint8_t pmu_cycle_counter_enable) |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 247 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 248 | struct ethosu_core_rpmsg rpmsg = { |
| 249 | .header = { |
| 250 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 251 | .type = ETHOSU_CORE_MSG_INFERENCE_REQ, |
| 252 | .msg_id = msg->id |
| 253 | } |
| 254 | }; |
| 255 | struct ethosu_core_msg_inference_req *inf_req = &rpmsg.inf_req; |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 256 | uint32_t i; |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 257 | |
Mikael Olsson | 09965b0 | 2023-06-13 12:17:04 +0200 | [diff] [blame] | 258 | msg->type = rpmsg.header.type; |
| 259 | |
Per Åstrand | f7e407a | 2020-10-23 21:25:05 +0200 | [diff] [blame] | 260 | /* Verify that the uapi and core has the same number of pmus */ |
| 261 | if (pmu_event_config_count != ETHOSU_CORE_PMU_MAX) { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 262 | dev_err(mbox->dev, "PMU count misconfigured."); |
Per Åstrand | f7e407a | 2020-10-23 21:25:05 +0200 | [diff] [blame] | 263 | |
| 264 | return -EINVAL; |
| 265 | } |
| 266 | |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 267 | inf_req->ifm_count = ifm_count; |
| 268 | inf_req->ofm_count = ofm_count; |
| 269 | inf_req->pmu_cycle_counter_enable = pmu_cycle_counter_enable; |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 270 | |
| 271 | for (i = 0; i < ifm_count; i++) |
Mikael Olsson | 9c999fd | 2023-10-30 11:05:39 +0100 | [diff] [blame^] | 272 | ethosu_core_buffer_dma_mem_set(ifm[i]->dma_mem, |
| 273 | &inf_req->ifm[i]); |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 274 | |
| 275 | for (i = 0; i < ofm_count; i++) |
Mikael Olsson | 9c999fd | 2023-10-30 11:05:39 +0100 | [diff] [blame^] | 276 | ethosu_core_buffer_dma_mem_set(ofm[i]->dma_mem, |
| 277 | &inf_req->ofm[i]); |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 278 | |
Per Åstrand | f7e407a | 2020-10-23 21:25:05 +0200 | [diff] [blame] | 279 | for (i = 0; i < ETHOSU_CORE_PMU_MAX; i++) |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 280 | inf_req->pmu_event_config[i] = pmu_event_config[i]; |
Per Åstrand | f7e407a | 2020-10-23 21:25:05 +0200 | [diff] [blame] | 281 | |
Kristofer Jonsson | 35de9e6 | 2022-03-08 13:25:45 +0100 | [diff] [blame] | 282 | if (network != NULL) { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 283 | inf_req->network.type = ETHOSU_CORE_NETWORK_BUFFER; |
Mikael Olsson | 9c999fd | 2023-10-30 11:05:39 +0100 | [diff] [blame^] | 284 | ethosu_core_buffer_dma_mem_set(network->dma_mem, |
| 285 | &inf_req->network.buffer); |
Kristofer Jonsson | 35de9e6 | 2022-03-08 13:25:45 +0100 | [diff] [blame] | 286 | } else { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 287 | inf_req->network.type = ETHOSU_CORE_NETWORK_INDEX; |
| 288 | inf_req->network.index = network_index; |
Kristofer Jonsson | 35de9e6 | 2022-03-08 13:25:45 +0100 | [diff] [blame] | 289 | } |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 290 | |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame] | 291 | return ethosu_send_locked(mbox, &rpmsg, |
| 292 | sizeof(rpmsg.header) + sizeof(rpmsg.inf_req)); |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 293 | } |
| 294 | |
Kristofer Jonsson | 3c6a260 | 2022-03-10 11:17:29 +0100 | [diff] [blame] | 295 | int ethosu_mailbox_network_info_request(struct ethosu_mailbox *mbox, |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 296 | struct ethosu_mailbox_msg *msg, |
Kristofer Jonsson | 3c6a260 | 2022-03-10 11:17:29 +0100 | [diff] [blame] | 297 | struct ethosu_buffer *network, |
| 298 | uint32_t network_index) |
| 299 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 300 | struct ethosu_core_rpmsg rpmsg = { |
| 301 | .header = { |
| 302 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 303 | .type = ETHOSU_CORE_MSG_NETWORK_INFO_REQ, |
| 304 | .msg_id = msg->id |
| 305 | } |
| 306 | }; |
| 307 | 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] | 308 | |
Mikael Olsson | 09965b0 | 2023-06-13 12:17:04 +0200 | [diff] [blame] | 309 | msg->type = rpmsg.header.type; |
| 310 | |
Kristofer Jonsson | 3c6a260 | 2022-03-10 11:17:29 +0100 | [diff] [blame] | 311 | if (network != NULL) { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 312 | info_req->network.type = ETHOSU_CORE_NETWORK_BUFFER; |
Mikael Olsson | 9c999fd | 2023-10-30 11:05:39 +0100 | [diff] [blame^] | 313 | ethosu_core_buffer_dma_mem_set(network->dma_mem, |
| 314 | &info_req->network.buffer); |
Kristofer Jonsson | 3c6a260 | 2022-03-10 11:17:29 +0100 | [diff] [blame] | 315 | } else { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 316 | info_req->network.type = ETHOSU_CORE_NETWORK_INDEX; |
| 317 | info_req->network.index = network_index; |
Kristofer Jonsson | 3c6a260 | 2022-03-10 11:17:29 +0100 | [diff] [blame] | 318 | } |
| 319 | |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame] | 320 | return ethosu_send_locked(mbox, &rpmsg, |
| 321 | sizeof(rpmsg.header) + |
| 322 | sizeof(rpmsg.net_info_req)); |
Kristofer Jonsson | 3c6a260 | 2022-03-10 11:17:29 +0100 | [diff] [blame] | 323 | } |
| 324 | |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 325 | int ethosu_mailbox_cancel_inference(struct ethosu_mailbox *mbox, |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 326 | struct ethosu_mailbox_msg *msg, |
| 327 | int inference_handle) |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 328 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 329 | struct ethosu_core_rpmsg rpmsg = { |
| 330 | .header = { |
| 331 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 332 | .type = |
| 333 | ETHOSU_CORE_MSG_CANCEL_INFERENCE_REQ, |
| 334 | .msg_id = msg->id |
| 335 | }, |
| 336 | .cancel_req = { |
| 337 | .inference_handle = inference_handle |
| 338 | } |
| 339 | }; |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 340 | |
Mikael Olsson | 09965b0 | 2023-06-13 12:17:04 +0200 | [diff] [blame] | 341 | msg->type = rpmsg.header.type; |
| 342 | |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame] | 343 | return ethosu_send_locked(mbox, &rpmsg, |
| 344 | sizeof(rpmsg.header) + |
| 345 | sizeof(rpmsg.cancel_req)); |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 346 | } |
| 347 | |
| 348 | int ethosu_mailbox_init(struct ethosu_mailbox *mbox, |
| 349 | struct device *dev, |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 350 | struct rpmsg_endpoint *ept) |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 351 | { |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 352 | mbox->dev = dev; |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 353 | mbox->ept = ept; |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 354 | idr_init(&mbox->msg_idr); |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame] | 355 | init_waitqueue_head(&mbox->send_queue); |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 356 | |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 357 | return 0; |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 358 | } |
| 359 | |
| 360 | void ethosu_mailbox_deinit(struct ethosu_mailbox *mbox) |
Mikael Olsson | 6fb238f | 2023-08-23 11:02:47 +0200 | [diff] [blame] | 361 | { |
| 362 | atomic_set(&mbox->done, 1); |
| 363 | wake_up_all(&mbox->send_queue); |
| 364 | } |