| /* |
| * Copyright (c) 2020-2022 Arm Limited. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * Licensed under the Apache License, Version 2.0 (the License); you may |
| * not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an AS IS BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "message_handler.hpp" |
| |
| #include "cmsis_compiler.h" |
| |
| #ifdef ETHOSU |
| #include <ethosu_driver.h> |
| #include <pmu_ethosu.h> |
| #endif |
| |
| #include "FreeRTOS.h" |
| #include "queue.h" |
| #include "semphr.h" |
| |
| #include <cstring> |
| #include <vector> |
| |
| using namespace EthosU; |
| using namespace MessageQueue; |
| |
| namespace MessageHandler { |
| |
| /**************************************************************************** |
| * IncomingMessageHandler |
| ****************************************************************************/ |
| |
| IncomingMessageHandler::IncomingMessageHandler( |
| EthosU::ethosu_core_queue &_inputMessageQueue, |
| EthosU::ethosu_core_queue &_outputMessageQueue, |
| Mailbox::Mailbox &_mailbox, |
| std::shared_ptr<Queue<EthosU::ethosu_core_inference_req>> _inferenceInputQueue, |
| QueueHandle_t _inferenceOutputQueue, |
| SemaphoreHandle_t _messageNotify, |
| std::shared_ptr<Networks> _networks) : |
| inputMessageQueue(_inputMessageQueue), |
| outputMessageQueue(_outputMessageQueue), mailbox(_mailbox), inferenceInputQueue(_inferenceInputQueue), |
| inferenceOutputQueue(_inferenceOutputQueue), messageNotify(_messageNotify), networks(_networks) { |
| mailbox.registerCallback(handleIrq, reinterpret_cast<void *>(this)); |
| readCapabilties(capabilities); |
| } |
| |
| void IncomingMessageHandler::run() { |
| while (true) { |
| // Wait for event |
| xSemaphoreTake(messageNotify, portMAX_DELAY); |
| |
| // Handle all inference outputs and all messages in queue |
| while (handleInferenceOutput() || handleMessage()) {} |
| } |
| } |
| |
| void IncomingMessageHandler::handleIrq(void *userArg) { |
| if (userArg == nullptr) { |
| return; |
| } |
| IncomingMessageHandler *_this = reinterpret_cast<IncomingMessageHandler *>(userArg); |
| xSemaphoreGiveFromISR(_this->messageNotify, nullptr); |
| } |
| |
| void IncomingMessageHandler::sendErrorAndResetQueue(ethosu_core_msg_err_type type, const char *message) { |
| ethosu_core_msg_err error; |
| error.type = type; |
| |
| for (size_t i = 0; i < sizeof(error.msg) && message[i]; i++) { |
| error.msg[i] = message[i]; |
| } |
| printf("ERROR: Msg: \"%s\"\n", error.msg); |
| |
| if (!outputMessageQueue.write(ETHOSU_CORE_MSG_ERR, error)) { |
| printf("ERROR: Msg: Failed to write error response. No mailbox message sent\n"); |
| } else { |
| mailbox.sendMessage(); |
| } |
| inputMessageQueue.reset(); |
| } |
| |
| bool IncomingMessageHandler::handleInferenceOutput() { |
| struct ethosu_core_inference_rsp rsp; |
| if (pdTRUE != xQueueReceive(inferenceOutputQueue, &rsp, 0)) { |
| return false; |
| } |
| |
| sendInferenceRsp(rsp); |
| return true; |
| } |
| |
| bool IncomingMessageHandler::handleMessage() { |
| struct ethosu_core_msg msg; |
| |
| if (inputMessageQueue.available() == 0) { |
| return false; |
| } |
| |
| // Read msg header |
| // Only process a complete message header, else send error message |
| // and reset queue |
| if (!inputMessageQueue.read(msg)) { |
| sendErrorAndResetQueue(ETHOSU_CORE_MSG_ERR_INVALID_SIZE, "Failed to read a complete header"); |
| return false; |
| } |
| |
| printf("Msg: header magic=%" PRIX32 ", type=%" PRIu32 ", length=%" PRIu32 "\n", msg.magic, msg.type, msg.length); |
| |
| if (msg.magic != ETHOSU_CORE_MSG_MAGIC) { |
| printf("Msg: Invalid Magic\n"); |
| sendErrorAndResetQueue(ETHOSU_CORE_MSG_ERR_INVALID_MAGIC, "Invalid magic"); |
| return false; |
| } |
| |
| switch (msg.type) { |
| case ETHOSU_CORE_MSG_PING: { |
| printf("Msg: Ping\n"); |
| sendPong(); |
| break; |
| } |
| case ETHOSU_CORE_MSG_ERR: { |
| ethosu_core_msg_err error; |
| if (!inputMessageQueue.read(error)) { |
| printf("ERROR: Msg: Failed to receive error message\n"); |
| } else { |
| printf("Msg: Received an error response, type=%" PRIu32 ", msg=\"%s\"\n", error.type, error.msg); |
| } |
| |
| inputMessageQueue.reset(); |
| return false; |
| } |
| case ETHOSU_CORE_MSG_VERSION_REQ: { |
| printf("Msg: Version request\n"); |
| sendVersionRsp(); |
| break; |
| } |
| case ETHOSU_CORE_MSG_CAPABILITIES_REQ: { |
| ethosu_core_capabilities_req req; |
| if (!inputMessageQueue.read(req)) { |
| sendErrorAndResetQueue(ETHOSU_CORE_MSG_ERR_INVALID_PAYLOAD, "CapabilitiesReq. Failed to read payload"); |
| break; |
| } |
| |
| printf("Msg: Capabilities request.user_arg=0x%" PRIx64 "\n", req.user_arg); |
| sendCapabilitiesRsp(req.user_arg); |
| break; |
| } |
| case ETHOSU_CORE_MSG_INFERENCE_REQ: { |
| ethosu_core_inference_req req; |
| if (!inputMessageQueue.read(req)) { |
| sendErrorAndResetQueue(ETHOSU_CORE_MSG_ERR_INVALID_PAYLOAD, "InferenceReq. Failed to read payload"); |
| break; |
| } |
| |
| printf("Msg: InferenceReq. user_arg=0x%" PRIx64 ", network_type=%" PRIu32 ", ", req.user_arg, req.network.type); |
| |
| if (req.network.type == ETHOSU_CORE_NETWORK_BUFFER) { |
| printf("network.buffer={0x%" PRIx32 ", %" PRIu32 "},\n", req.network.buffer.ptr, req.network.buffer.size); |
| } else { |
| printf("network.index=%" PRIu32 ",\n", req.network.index); |
| } |
| |
| printf("ifm_count=%" PRIu32 ", ifm=[", req.ifm_count); |
| for (uint32_t i = 0; i < req.ifm_count; ++i) { |
| if (i > 0) { |
| printf(", "); |
| } |
| |
| printf("{0x%" PRIx32 ", %" PRIu32 "}", req.ifm[i].ptr, req.ifm[i].size); |
| } |
| printf("]"); |
| |
| printf(", ofm_count=%" PRIu32 ", ofm=[", req.ofm_count); |
| for (uint32_t i = 0; i < req.ofm_count; ++i) { |
| if (i > 0) { |
| printf(", "); |
| } |
| |
| printf("{0x%" PRIx32 ", %" PRIu32 "}", req.ofm[i].ptr, req.ofm[i].size); |
| } |
| printf("]\n"); |
| |
| if (!inferenceInputQueue->push(req)) { |
| printf("Msg: Inference queue full. Rejecting inference user_arg=0x%" PRIx64 "\n", req.user_arg); |
| sendFailedInferenceRsp(req.user_arg, ETHOSU_CORE_STATUS_REJECTED); |
| } |
| break; |
| } |
| case ETHOSU_CORE_MSG_CANCEL_INFERENCE_REQ: { |
| ethosu_core_cancel_inference_req req; |
| if (!inputMessageQueue.read(req)) { |
| sendErrorAndResetQueue(ETHOSU_CORE_MSG_ERR_INVALID_PAYLOAD, "CancelInferenceReq. Failed to read payload"); |
| break; |
| } |
| printf("Msg: CancelInferenceReq. user_arg=0x%" PRIx64 ", inference_handle=0x%" PRIx64 "\n", |
| req.user_arg, |
| req.inference_handle); |
| |
| bool found = |
| inferenceInputQueue->erase([req](auto &inf_req) { return inf_req.user_arg == req.inference_handle; }); |
| |
| // NOTE: send an inference response with status ABORTED if the inference has been droped from the queue |
| if (found) { |
| sendFailedInferenceRsp(req.inference_handle, ETHOSU_CORE_STATUS_ABORTED); |
| } |
| |
| sendCancelInferenceRsp(req.user_arg, found ? ETHOSU_CORE_STATUS_OK : ETHOSU_CORE_STATUS_ERROR); |
| break; |
| } |
| case ETHOSU_CORE_MSG_NETWORK_INFO_REQ: { |
| ethosu_core_network_info_req req; |
| if (!inputMessageQueue.read(req)) { |
| sendErrorAndResetQueue(ETHOSU_CORE_MSG_ERR_INVALID_PAYLOAD, "NetworkInfoReq. Failed to read payload"); |
| break; |
| } |
| |
| printf("Msg: NetworkInfoReq. user_arg=0x%" PRIx64 "\n", req.user_arg); |
| sendNetworkInfoRsp(req.user_arg, req.network); |
| break; |
| } |
| default: { |
| char errMsg[128]; |
| snprintf(&errMsg[0], |
| sizeof(errMsg), |
| "Msg: Unknown type: %" PRIu32 " with payload length %" PRIu32 " bytes\n", |
| msg.type, |
| msg.length); |
| |
| sendErrorAndResetQueue(ETHOSU_CORE_MSG_ERR_UNSUPPORTED_TYPE, errMsg); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| void IncomingMessageHandler::sendPong() { |
| if (!outputMessageQueue.write(ETHOSU_CORE_MSG_PONG)) { |
| printf("ERROR: Msg: Failed to write pong response. No mailbox message sent\n"); |
| } else { |
| mailbox.sendMessage(); |
| } |
| } |
| |
| void IncomingMessageHandler::sendVersionRsp() { |
| ethosu_core_msg_version version = { |
| ETHOSU_CORE_MSG_VERSION_MAJOR, |
| ETHOSU_CORE_MSG_VERSION_MINOR, |
| ETHOSU_CORE_MSG_VERSION_PATCH, |
| 0, |
| }; |
| |
| if (!outputMessageQueue.write(ETHOSU_CORE_MSG_VERSION_RSP, version)) { |
| printf("ERROR: Failed to write version response. No mailbox message sent\n"); |
| } else { |
| mailbox.sendMessage(); |
| } |
| } |
| |
| void IncomingMessageHandler::sendCapabilitiesRsp(uint64_t userArg) { |
| capabilities.user_arg = userArg; |
| |
| if (!outputMessageQueue.write(ETHOSU_CORE_MSG_CAPABILITIES_RSP, capabilities)) { |
| printf("ERROR: Failed to write capabilities response. No mailbox message sent\n"); |
| } else { |
| mailbox.sendMessage(); |
| } |
| } |
| |
| void IncomingMessageHandler::sendNetworkInfoRsp(uint64_t userArg, ethosu_core_network_buffer &network) { |
| ethosu_core_network_info_rsp rsp; |
| rsp.user_arg = userArg; |
| rsp.ifm_count = 0; |
| rsp.ofm_count = 0; |
| |
| void *buffer; |
| size_t size; |
| |
| bool failed = networks->getNetwork(network, buffer, size); |
| |
| if (!failed) { |
| failed = parser.parseModel(buffer, |
| size, |
| rsp.desc, |
| InferenceProcess::makeArray(rsp.ifm_size, rsp.ifm_count, ETHOSU_CORE_BUFFER_MAX), |
| InferenceProcess::makeArray(rsp.ofm_size, rsp.ofm_count, ETHOSU_CORE_BUFFER_MAX)); |
| } |
| rsp.status = failed ? ETHOSU_CORE_STATUS_ERROR : ETHOSU_CORE_STATUS_OK; |
| |
| if (!outputMessageQueue.write(ETHOSU_CORE_MSG_NETWORK_INFO_RSP, rsp)) { |
| printf("ERROR: Msg: Failed to write network info response. No mailbox message sent\n"); |
| } else { |
| mailbox.sendMessage(); |
| } |
| } |
| |
| void IncomingMessageHandler::sendInferenceRsp(ethosu_core_inference_rsp &rsp) { |
| if (!outputMessageQueue.write(ETHOSU_CORE_MSG_INFERENCE_RSP, rsp)) { |
| printf("ERROR: Msg: Failed to write inference response. No mailbox message sent\n"); |
| } else { |
| mailbox.sendMessage(); |
| } |
| } |
| |
| void IncomingMessageHandler::sendFailedInferenceRsp(uint64_t userArg, uint32_t status) { |
| ethosu_core_inference_rsp rsp; |
| rsp.user_arg = userArg; |
| rsp.status = status; |
| if (!outputMessageQueue.write(ETHOSU_CORE_MSG_INFERENCE_RSP, rsp)) { |
| printf("ERROR: Msg: Failed to write inference response. No mailbox message sent\n"); |
| } else { |
| mailbox.sendMessage(); |
| } |
| } |
| void IncomingMessageHandler::sendCancelInferenceRsp(uint64_t userArg, uint32_t status) { |
| ethosu_core_cancel_inference_rsp cancellation; |
| cancellation.user_arg = userArg; |
| cancellation.status = status; |
| if (!outputMessageQueue.write(ETHOSU_CORE_MSG_CANCEL_INFERENCE_RSP, cancellation)) { |
| printf("ERROR: Msg: Failed to write cancel inference response. No mailbox message sent\n"); |
| } else { |
| mailbox.sendMessage(); |
| } |
| } |
| |
| void IncomingMessageHandler::readCapabilties(ethosu_core_msg_capabilities_rsp &rsp) { |
| rsp = {}; |
| |
| #ifdef ETHOSU |
| struct ethosu_driver_version version; |
| ethosu_get_driver_version(&version); |
| |
| struct ethosu_hw_info info; |
| struct ethosu_driver *drv = ethosu_reserve_driver(); |
| ethosu_get_hw_info(drv, &info); |
| ethosu_release_driver(drv); |
| |
| rsp.user_arg = 0; |
| rsp.version_status = info.version.version_status; |
| rsp.version_minor = info.version.version_minor; |
| rsp.version_major = info.version.version_major; |
| rsp.product_major = info.version.product_major; |
| rsp.arch_patch_rev = info.version.arch_patch_rev; |
| rsp.arch_minor_rev = info.version.arch_minor_rev; |
| rsp.arch_major_rev = info.version.arch_major_rev; |
| rsp.driver_patch_rev = version.patch; |
| rsp.driver_minor_rev = version.minor; |
| rsp.driver_major_rev = version.major; |
| rsp.macs_per_cc = info.cfg.macs_per_cc; |
| rsp.cmd_stream_version = info.cfg.cmd_stream_version; |
| rsp.custom_dma = info.cfg.custom_dma; |
| #endif |
| } |
| |
| /**************************************************************************** |
| * InferenceHandler |
| ****************************************************************************/ |
| |
| InferenceHandler::InferenceHandler(uint8_t *tensorArena, |
| size_t arenaSize, |
| std::shared_ptr<Queue<EthosU::ethosu_core_inference_req>> _inferenceInputQueue, |
| QueueHandle_t _inferenceOutputQueue, |
| SemaphoreHandle_t _messageNotify, |
| std::shared_ptr<Networks> _networks) : |
| inferenceInputQueue(_inferenceInputQueue), |
| inferenceOutputQueue(_inferenceOutputQueue), messageNotify(_messageNotify), inference(tensorArena, arenaSize), |
| networks(_networks) {} |
| |
| void InferenceHandler::run() { |
| ethosu_core_inference_req req; |
| ethosu_core_inference_rsp rsp; |
| |
| while (true) { |
| inferenceInputQueue->pop(req); |
| |
| runInference(req, rsp); |
| |
| xQueueSend(inferenceOutputQueue, &rsp, portMAX_DELAY); |
| xSemaphoreGive(messageNotify); |
| } |
| } |
| |
| void InferenceHandler::runInference(ethosu_core_inference_req &req, ethosu_core_inference_rsp &rsp) { |
| currentReq = &req; |
| currentRsp = &rsp; |
| |
| /* |
| * Run inference |
| */ |
| |
| InferenceProcess::InferenceJob job; |
| bool failed = getInferenceJob(req, job); |
| |
| if (!failed) { |
| job.invalidate(); |
| failed = inference.runJob(job); |
| job.clean(); |
| } |
| |
| #if defined(ETHOSU) |
| /* |
| * Print PMU counters |
| */ |
| |
| if (!failed) { |
| const int numEvents = std::min(static_cast<int>(ETHOSU_PMU_Get_NumEventCounters()), ETHOSU_CORE_PMU_MAX); |
| |
| for (int i = 0; i < numEvents; i++) { |
| printf("ethosu_pmu_cntr%d : %" PRIu32 "\n", i, rsp.pmu_event_count[i]); |
| } |
| |
| if (rsp.pmu_cycle_counter_enable) { |
| printf("ethosu_pmu_cycle_cntr : %" PRIu64 " cycles\n", rsp.pmu_cycle_counter_count); |
| } |
| } |
| #endif |
| |
| /* |
| * Send inference response |
| */ |
| |
| rsp.user_arg = req.user_arg; |
| rsp.ofm_count = job.output.size(); |
| rsp.status = failed ? ETHOSU_CORE_STATUS_ERROR : ETHOSU_CORE_STATUS_OK; |
| |
| for (size_t i = 0; i < job.output.size(); ++i) { |
| rsp.ofm_size[i] = job.output[i].size; |
| } |
| |
| currentReq = nullptr; |
| currentRsp = nullptr; |
| } |
| |
| bool InferenceHandler::getInferenceJob(const ethosu_core_inference_req &req, InferenceProcess::InferenceJob &job) { |
| bool failed = networks->getNetwork(req.network, job.networkModel.data, job.networkModel.size); |
| if (failed) { |
| return true; |
| } |
| |
| for (uint32_t i = 0; i < req.ifm_count; ++i) { |
| job.input.push_back(InferenceProcess::DataPtr(reinterpret_cast<void *>(req.ifm[i].ptr), req.ifm[i].size)); |
| } |
| |
| for (uint32_t i = 0; i < req.ofm_count; ++i) { |
| job.output.push_back(InferenceProcess::DataPtr(reinterpret_cast<void *>(req.ofm[i].ptr), req.ofm[i].size)); |
| } |
| |
| job.externalContext = this; |
| |
| return false; |
| } |
| |
| } // namespace MessageHandler |
| |
| #if defined(ETHOSU) |
| extern "C" void ethosu_inference_begin(struct ethosu_driver *drv, void *userArg) { |
| MessageHandler::InferenceHandler *self = static_cast<MessageHandler::InferenceHandler *>(userArg); |
| |
| // Calculate maximum number of events |
| const int numEvents = std::min(static_cast<int>(ETHOSU_PMU_Get_NumEventCounters()), ETHOSU_CORE_PMU_MAX); |
| |
| // Enable PMU |
| ETHOSU_PMU_Enable(drv); |
| |
| // Configure and enable events |
| for (int i = 0; i < numEvents; i++) { |
| ETHOSU_PMU_Set_EVTYPER(drv, i, static_cast<ethosu_pmu_event_type>(self->currentReq->pmu_event_config[i])); |
| ETHOSU_PMU_CNTR_Enable(drv, 1 << i); |
| } |
| |
| // Enable cycle counter |
| if (self->currentReq->pmu_cycle_counter_enable) { |
| ETHOSU_PMU_PMCCNTR_CFG_Set_Stop_Event(drv, ETHOSU_PMU_NPU_IDLE); |
| ETHOSU_PMU_PMCCNTR_CFG_Set_Start_Event(drv, ETHOSU_PMU_NPU_ACTIVE); |
| |
| ETHOSU_PMU_CNTR_Enable(drv, ETHOSU_PMU_CCNT_Msk); |
| ETHOSU_PMU_CYCCNT_Reset(drv); |
| } |
| |
| // Reset all counters |
| ETHOSU_PMU_EVCNTR_ALL_Reset(drv); |
| } |
| |
| extern "C" void ethosu_inference_end(struct ethosu_driver *drv, void *userArg) { |
| MessageHandler::InferenceHandler *self = static_cast<MessageHandler::InferenceHandler *>(userArg); |
| |
| // Get cycle counter |
| self->currentRsp->pmu_cycle_counter_enable = self->currentReq->pmu_cycle_counter_enable; |
| if (self->currentReq->pmu_cycle_counter_enable) { |
| self->currentRsp->pmu_cycle_counter_count = ETHOSU_PMU_Get_CCNTR(drv); |
| } |
| |
| // Calculate maximum number of events |
| const int numEvents = std::min(static_cast<int>(ETHOSU_PMU_Get_NumEventCounters()), ETHOSU_CORE_PMU_MAX); |
| |
| // Get event counters |
| int i; |
| for (i = 0; i < numEvents; i++) { |
| self->currentRsp->pmu_event_config[i] = self->currentReq->pmu_event_config[i]; |
| self->currentRsp->pmu_event_count[i] = ETHOSU_PMU_Get_EVCNTR(drv, i); |
| } |
| |
| for (; i < ETHOSU_CORE_PMU_MAX; i++) { |
| self->currentRsp->pmu_event_config[i] = 0; |
| self->currentRsp->pmu_event_count[i] = 0; |
| } |
| |
| // Disable PMU |
| ETHOSU_PMU_Disable(drv); |
| } |
| #endif |