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 | |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 31 | #include <linux/jiffies.h> |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 32 | #include <linux/resource.h> |
| 33 | #include <linux/uio.h> |
| 34 | |
| 35 | /**************************************************************************** |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 36 | * Includes |
| 37 | ****************************************************************************/ |
| 38 | |
| 39 | #ifndef fallthrough |
| 40 | #if __has_attribute(__fallthrough__) |
| 41 | #define fallthrough __attribute__((__fallthrough__)) |
| 42 | #else |
| 43 | #define fallthrough do {} while (0) /* fallthrough */ |
| 44 | #endif |
| 45 | #endif |
| 46 | |
| 47 | /**************************************************************************** |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 48 | * Functions |
| 49 | ****************************************************************************/ |
| 50 | |
| 51 | static void ethosu_core_set_size(struct ethosu_buffer *buf, |
| 52 | struct ethosu_core_buffer *cbuf) |
| 53 | { |
| 54 | cbuf->ptr = (uint32_t)buf->dma_addr + buf->offset; |
| 55 | cbuf->size = (uint32_t)buf->size; |
| 56 | } |
| 57 | |
| 58 | static void ethosu_core_set_capacity(struct ethosu_buffer *buf, |
| 59 | struct ethosu_core_buffer *cbuf) |
| 60 | { |
| 61 | cbuf->ptr = (uint32_t)buf->dma_addr + buf->offset + buf->size; |
| 62 | cbuf->size = (uint32_t)buf->capacity - buf->offset - buf->size; |
| 63 | } |
| 64 | |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 65 | int ethosu_mailbox_register(struct ethosu_mailbox *mbox, |
| 66 | struct ethosu_mailbox_msg *msg) |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 67 | { |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 68 | msg->id = idr_alloc_cyclic(&mbox->msg_idr, msg, 0, INT_MAX, GFP_KERNEL); |
| 69 | if (msg->id < 0) |
| 70 | return msg->id; |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 71 | |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 72 | return 0; |
| 73 | } |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 74 | |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 75 | void ethosu_mailbox_deregister(struct ethosu_mailbox *mbox, |
| 76 | struct ethosu_mailbox_msg *msg) |
| 77 | { |
| 78 | idr_remove(&mbox->msg_idr, msg->id); |
| 79 | } |
| 80 | |
| 81 | struct ethosu_mailbox_msg *ethosu_mailbox_find(struct ethosu_mailbox *mbox, |
Mikael Olsson | 09965b0 | 2023-06-13 12:17:04 +0200 | [diff] [blame] | 82 | int msg_id, |
| 83 | uint32_t msg_type) |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 84 | { |
| 85 | struct ethosu_mailbox_msg *ptr = (struct ethosu_mailbox_msg *)idr_find( |
| 86 | &mbox->msg_idr, msg_id); |
| 87 | |
| 88 | if (ptr == NULL) |
Mikael Olsson | 09965b0 | 2023-06-13 12:17:04 +0200 | [diff] [blame] | 89 | return ERR_PTR(-ENOENT); |
| 90 | |
| 91 | if (ptr->type != msg_type) |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 92 | return ERR_PTR(-EINVAL); |
| 93 | |
| 94 | return ptr; |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 95 | } |
| 96 | |
| 97 | void ethosu_mailbox_fail(struct ethosu_mailbox *mbox) |
| 98 | { |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 99 | struct ethosu_mailbox_msg *cur; |
| 100 | int id; |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 101 | |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 102 | idr_for_each_entry(&mbox->msg_idr, cur, id) { |
Kristofer Jonsson | 442fefb | 2022-03-17 17:15:52 +0100 | [diff] [blame] | 103 | cur->fail(cur); |
| 104 | } |
| 105 | } |
| 106 | |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 107 | int ethosu_mailbox_ping(struct ethosu_mailbox *mbox) |
| 108 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 109 | struct ethosu_core_rpmsg rpmsg = { |
| 110 | .header = { |
| 111 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 112 | .type = ETHOSU_CORE_MSG_PING, |
| 113 | } |
| 114 | }; |
| 115 | |
| 116 | return rpmsg_send(mbox->ept, &rpmsg, sizeof(rpmsg.header)); |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 117 | } |
| 118 | |
Jonny Svärd | 7c24c77 | 2021-01-14 19:53:17 +0100 | [diff] [blame] | 119 | int ethosu_mailbox_pong(struct ethosu_mailbox *mbox) |
| 120 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 121 | struct ethosu_core_rpmsg rpmsg = { |
| 122 | .header = { |
| 123 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 124 | .type = ETHOSU_CORE_MSG_PONG, |
| 125 | } |
| 126 | }; |
| 127 | |
| 128 | return rpmsg_send(mbox->ept, &rpmsg, sizeof(rpmsg.header)); |
Jonny Svärd | 7c24c77 | 2021-01-14 19:53:17 +0100 | [diff] [blame] | 129 | } |
| 130 | |
| 131 | int ethosu_mailbox_version_request(struct ethosu_mailbox *mbox) |
| 132 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 133 | struct ethosu_core_rpmsg rpmsg = { |
| 134 | .header = { |
| 135 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 136 | .type = ETHOSU_CORE_MSG_VERSION_REQ, |
| 137 | } |
| 138 | }; |
| 139 | |
| 140 | return rpmsg_send(mbox->ept, &rpmsg, sizeof(rpmsg.header)); |
Jonny Svärd | 7c24c77 | 2021-01-14 19:53:17 +0100 | [diff] [blame] | 141 | } |
| 142 | |
Davide Grohmann | 35ce6c8 | 2021-06-01 15:03:51 +0200 | [diff] [blame] | 143 | int ethosu_mailbox_capabilities_request(struct ethosu_mailbox *mbox, |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 144 | struct ethosu_mailbox_msg *msg) |
Davide Grohmann | 35ce6c8 | 2021-06-01 15:03:51 +0200 | [diff] [blame] | 145 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 146 | struct ethosu_core_rpmsg rpmsg = { |
| 147 | .header = { |
| 148 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 149 | .type = ETHOSU_CORE_MSG_CAPABILITIES_REQ, |
| 150 | .msg_id = msg->id |
| 151 | } |
Davide Grohmann | 35ce6c8 | 2021-06-01 15:03:51 +0200 | [diff] [blame] | 152 | }; |
| 153 | |
Mikael Olsson | 09965b0 | 2023-06-13 12:17:04 +0200 | [diff] [blame] | 154 | msg->type = rpmsg.header.type; |
| 155 | |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 156 | return rpmsg_send(mbox->ept, &rpmsg, sizeof(rpmsg.header)); |
Davide Grohmann | 35ce6c8 | 2021-06-01 15:03:51 +0200 | [diff] [blame] | 157 | } |
| 158 | |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 159 | int ethosu_mailbox_inference(struct ethosu_mailbox *mbox, |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 160 | struct ethosu_mailbox_msg *msg, |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 161 | uint32_t ifm_count, |
| 162 | struct ethosu_buffer **ifm, |
| 163 | uint32_t ofm_count, |
| 164 | struct ethosu_buffer **ofm, |
Per Åstrand | f7e407a | 2020-10-23 21:25:05 +0200 | [diff] [blame] | 165 | struct ethosu_buffer *network, |
Kristofer Jonsson | 35de9e6 | 2022-03-08 13:25:45 +0100 | [diff] [blame] | 166 | uint32_t network_index, |
Per Åstrand | f7e407a | 2020-10-23 21:25:05 +0200 | [diff] [blame] | 167 | uint8_t *pmu_event_config, |
| 168 | uint8_t pmu_event_config_count, |
| 169 | uint8_t pmu_cycle_counter_enable) |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 170 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 171 | struct ethosu_core_rpmsg rpmsg = { |
| 172 | .header = { |
| 173 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 174 | .type = ETHOSU_CORE_MSG_INFERENCE_REQ, |
| 175 | .msg_id = msg->id |
| 176 | } |
| 177 | }; |
| 178 | struct ethosu_core_msg_inference_req *inf_req = &rpmsg.inf_req; |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 179 | uint32_t i; |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 180 | |
Mikael Olsson | 09965b0 | 2023-06-13 12:17:04 +0200 | [diff] [blame] | 181 | msg->type = rpmsg.header.type; |
| 182 | |
Per Åstrand | f7e407a | 2020-10-23 21:25:05 +0200 | [diff] [blame] | 183 | /* Verify that the uapi and core has the same number of pmus */ |
| 184 | if (pmu_event_config_count != ETHOSU_CORE_PMU_MAX) { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 185 | dev_err(mbox->dev, "PMU count misconfigured."); |
Per Åstrand | f7e407a | 2020-10-23 21:25:05 +0200 | [diff] [blame] | 186 | |
| 187 | return -EINVAL; |
| 188 | } |
| 189 | |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 190 | inf_req->ifm_count = ifm_count; |
| 191 | inf_req->ofm_count = ofm_count; |
| 192 | inf_req->pmu_cycle_counter_enable = pmu_cycle_counter_enable; |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 193 | |
| 194 | for (i = 0; i < ifm_count; i++) |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 195 | ethosu_core_set_size(ifm[i], &inf_req->ifm[i]); |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 196 | |
| 197 | for (i = 0; i < ofm_count; i++) |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 198 | ethosu_core_set_capacity(ofm[i], &inf_req->ofm[i]); |
Kristofer Jonsson | b74492c | 2020-09-10 13:26:01 +0200 | [diff] [blame] | 199 | |
Per Åstrand | f7e407a | 2020-10-23 21:25:05 +0200 | [diff] [blame] | 200 | for (i = 0; i < ETHOSU_CORE_PMU_MAX; i++) |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 201 | inf_req->pmu_event_config[i] = pmu_event_config[i]; |
Per Åstrand | f7e407a | 2020-10-23 21:25:05 +0200 | [diff] [blame] | 202 | |
Kristofer Jonsson | 35de9e6 | 2022-03-08 13:25:45 +0100 | [diff] [blame] | 203 | if (network != NULL) { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 204 | inf_req->network.type = ETHOSU_CORE_NETWORK_BUFFER; |
| 205 | ethosu_core_set_size(network, &inf_req->network.buffer); |
Kristofer Jonsson | 35de9e6 | 2022-03-08 13:25:45 +0100 | [diff] [blame] | 206 | } else { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 207 | inf_req->network.type = ETHOSU_CORE_NETWORK_INDEX; |
| 208 | inf_req->network.index = network_index; |
Kristofer Jonsson | 35de9e6 | 2022-03-08 13:25:45 +0100 | [diff] [blame] | 209 | } |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 210 | |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 211 | return rpmsg_send(mbox->ept, &rpmsg, |
| 212 | sizeof(rpmsg.header) + sizeof(rpmsg.inf_req)); |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 213 | } |
| 214 | |
Kristofer Jonsson | 3c6a260 | 2022-03-10 11:17:29 +0100 | [diff] [blame] | 215 | int ethosu_mailbox_network_info_request(struct ethosu_mailbox *mbox, |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 216 | struct ethosu_mailbox_msg *msg, |
Kristofer Jonsson | 3c6a260 | 2022-03-10 11:17:29 +0100 | [diff] [blame] | 217 | struct ethosu_buffer *network, |
| 218 | uint32_t network_index) |
| 219 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 220 | struct ethosu_core_rpmsg rpmsg = { |
| 221 | .header = { |
| 222 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 223 | .type = ETHOSU_CORE_MSG_NETWORK_INFO_REQ, |
| 224 | .msg_id = msg->id |
| 225 | } |
| 226 | }; |
| 227 | 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] | 228 | |
Mikael Olsson | 09965b0 | 2023-06-13 12:17:04 +0200 | [diff] [blame] | 229 | msg->type = rpmsg.header.type; |
| 230 | |
Kristofer Jonsson | 3c6a260 | 2022-03-10 11:17:29 +0100 | [diff] [blame] | 231 | if (network != NULL) { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 232 | info_req->network.type = ETHOSU_CORE_NETWORK_BUFFER; |
| 233 | ethosu_core_set_size(network, &info_req->network.buffer); |
Kristofer Jonsson | 3c6a260 | 2022-03-10 11:17:29 +0100 | [diff] [blame] | 234 | } else { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 235 | info_req->network.type = ETHOSU_CORE_NETWORK_INDEX; |
| 236 | info_req->network.index = network_index; |
Kristofer Jonsson | 3c6a260 | 2022-03-10 11:17:29 +0100 | [diff] [blame] | 237 | } |
| 238 | |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 239 | return rpmsg_send(mbox->ept, &rpmsg, |
| 240 | sizeof(rpmsg.header) + sizeof(rpmsg.net_info_req)); |
Kristofer Jonsson | 3c6a260 | 2022-03-10 11:17:29 +0100 | [diff] [blame] | 241 | } |
| 242 | |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 243 | int ethosu_mailbox_cancel_inference(struct ethosu_mailbox *mbox, |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 244 | struct ethosu_mailbox_msg *msg, |
| 245 | int inference_handle) |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 246 | { |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 247 | struct ethosu_core_rpmsg rpmsg = { |
| 248 | .header = { |
| 249 | .magic = ETHOSU_CORE_MSG_MAGIC, |
| 250 | .type = |
| 251 | ETHOSU_CORE_MSG_CANCEL_INFERENCE_REQ, |
| 252 | .msg_id = msg->id |
| 253 | }, |
| 254 | .cancel_req = { |
| 255 | .inference_handle = inference_handle |
| 256 | } |
| 257 | }; |
Davide Grohmann | 7e8f508 | 2022-03-23 12:48:45 +0100 | [diff] [blame] | 258 | |
Mikael Olsson | 09965b0 | 2023-06-13 12:17:04 +0200 | [diff] [blame] | 259 | msg->type = rpmsg.header.type; |
| 260 | |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 261 | return rpmsg_send(mbox->ept, &rpmsg, |
| 262 | sizeof(rpmsg.header) + sizeof(rpmsg.cancel_req)); |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 263 | } |
| 264 | |
| 265 | int ethosu_mailbox_init(struct ethosu_mailbox *mbox, |
| 266 | struct device *dev, |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 267 | struct rpmsg_endpoint *ept) |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 268 | { |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 269 | mbox->dev = dev; |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 270 | mbox->ept = ept; |
Davide Grohmann | 32660f9 | 2022-04-27 16:49:07 +0200 | [diff] [blame] | 271 | idr_init(&mbox->msg_idr); |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 272 | |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 273 | return 0; |
Kristofer Jonsson | 116a635 | 2020-08-20 17:25:23 +0200 | [diff] [blame] | 274 | } |
| 275 | |
| 276 | void ethosu_mailbox_deinit(struct ethosu_mailbox *mbox) |
Kristofer Jonsson | d779a08 | 2023-01-04 17:09:47 +0100 | [diff] [blame] | 277 | {} |