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|---|---|---|---|
| 1 | // ====================================================================== | ||
| 2 | // \title ComQueue.cpp | ||
| 3 | // \author vbai | ||
| 4 | // \brief cpp file for ComQueue component implementation class | ||
| 5 | // ====================================================================== | ||
| 6 | |||
| 7 | #include <Fw/Com/ComPacket.hpp> | ||
| 8 | #include <Fw/Types/Assert.hpp> | ||
| 9 | #include <Svc/ComQueue/ComQueue.hpp> | ||
| 10 | #include <type_traits> | ||
| 11 | #include "Fw/Types/BasicTypes.hpp" | ||
| 12 | |||
| 13 | namespace Svc { | ||
| 14 | |||
| 15 | // ---------------------------------------------------------------------- | ||
| 16 | // Construction, initialization, and destruction | ||
| 17 | // ---------------------------------------------------------------------- | ||
| 18 | |||
| 19 | using FwUnsignedIndexType = std::make_unsigned<FwIndexType>::type; | ||
| 20 | |||
| 21 | 1 | ComQueue ::QueueConfigurationTable ::QueueConfigurationTable() { | |
| 22 | static_assert(static_cast<FwUnsignedIndexType>(std::numeric_limits<FwIndexType>::max()) >= | ||
| 23 | FW_NUM_ARRAY_ELEMENTS(this->entries), | ||
| 24 | "Number of entries must fit into FwIndexType"); | ||
| 25 |
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4 | for (FwIndexType i = 0; i < static_cast<FwIndexType>(FW_NUM_ARRAY_ELEMENTS(this->entries)); i++) { |
| 26 | 3 | this->entries[i].priority = 0; | |
| 27 | 3 | this->entries[i].depth = 0; | |
| 28 | 3 | this->entries[i].mode = Types::QUEUE_FIFO; | |
| 29 | 3 | this->entries[i].overflowMode = Types::QUEUE_DROP_NEWEST; | |
| 30 | } | ||
| 31 | 1 | } | |
| 32 | |||
| 33 | 1 | ComQueue ::ComQueue(const char* const compName) | |
| 34 | : ComQueueComponentBase(compName), | ||
| 35 | 1 | m_state(WAITING), | |
| 36 | 1 | m_buffer_state(OWNED), | |
| 37 | 1 | m_runQueued(false), | |
| 38 | 1 | m_allocationId(static_cast<FwEnumStoreType>(-1)), | |
| 39 | 1 | m_allocator(nullptr), | |
| 40 |
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7 | m_allocation(nullptr) { |
| 41 | // Initialize throttles to "off" and managed-queue drop counters to zero | ||
| 42 |
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4 | for (FwIndexType i = 0; i < TOTAL_PORT_COUNT; i++) { |
| 43 | 3 | this->m_throttle[i] = false; | |
| 44 | 3 | this->m_managedDrops[i] = 0; | |
| 45 | } | ||
| 46 |
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3 | for (FwIndexType i = 0; i < COM_PORT_COUNT; i++) { |
| 47 | 2 | this->m_comIngressDrops[i].store(0, std::memory_order_relaxed); | |
| 48 | } | ||
| 49 |
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2 | for (FwIndexType i = 0; i < BUFFER_PORT_COUNT; i++) { |
| 50 | 1 | this->m_buffIngressDrops[i].store(0, std::memory_order_relaxed); | |
| 51 | } | ||
| 52 | |||
| 53 | static_assert(TOTAL_PORT_COUNT >= 1, "ComQueue must have more than one port"); | ||
| 54 | 1 | } | |
| 55 | |||
| 56 | 2 | ComQueue ::~ComQueue() {} | |
| 57 | |||
| 58 | 1 | void ComQueue ::cleanup() { | |
| 59 | // Deallocate memory ignoring error conditions | ||
| 60 |
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1 | if ((this->m_allocator != nullptr) && (this->m_allocation != nullptr)) { |
| 61 | 1 | this->m_allocator->deallocate(this->m_allocationId, this->m_allocation); | |
| 62 | } | ||
| 63 | 1 | } | |
| 64 | |||
| 65 | 1 | void ComQueue::configure(const QueueConfigurationTable& queueConfig, | |
| 66 | FwEnumStoreType allocationId, | ||
| 67 | Fw::MemAllocator& allocator) { | ||
| 68 | 1 | FwIndexType currentPriorityIndex = 0; | |
| 69 | 1 | FwSizeType totalAllocation = 0; | |
| 70 | |||
| 71 | // Store/initialize allocator members | ||
| 72 | 1 | this->m_allocator = &allocator; | |
| 73 | 1 | this->m_allocationId = allocationId; | |
| 74 | 1 | this->m_allocation = nullptr; | |
| 75 | |||
| 76 | // Initializes the sorted queue metadata list in priority (sorted) order. This is accomplished by walking the | ||
| 77 | // priority values in priority order from 0 to TOTAL_PORT_COUNT. At each priory value, the supplied queue | ||
| 78 | // configuration table is walked and any entry matching the current priority values is used to add queue metadata to | ||
| 79 | // the prioritized list. This results in priority-sorted queue metadata objects that index back into the unsorted | ||
| 80 | // queue data structures. | ||
| 81 | // | ||
| 82 | // The total allocation size is tracked for passing to the allocation call and is a summation of | ||
| 83 | // (depth * message size) for each prioritized metadata object of (depth * message size) | ||
| 84 |
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4 | for (FwIndexType currentPriority = 0; currentPriority < TOTAL_PORT_COUNT; currentPriority++) { |
| 85 | // Walk each queue configuration entry and add them into the prioritized metadata list when matching the current | ||
| 86 | // priority value | ||
| 87 | 12 | for (FwIndexType entryIndex = 0; | |
| 88 |
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12 | entryIndex < static_cast<FwIndexType>(FW_NUM_ARRAY_ELEMENTS(queueConfig.entries)); entryIndex++) { |
| 89 | // Check for valid configuration entry | ||
| 90 | 9 | FW_ASSERT(queueConfig.entries[entryIndex].priority < TOTAL_PORT_COUNT, | |
| 91 | static_cast<FwAssertArgType>(queueConfig.entries[entryIndex].priority), | ||
| 92 | static_cast<FwAssertArgType>(TOTAL_PORT_COUNT), static_cast<FwAssertArgType>(entryIndex)); | ||
| 93 |
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9 | if (currentPriority == queueConfig.entries[entryIndex].priority) { |
| 94 | // Set up the queue metadata object in order to track priority, depth, index into the queue list of the | ||
| 95 | // backing queue object, and message size. Both index and message size are calculated where priority and | ||
| 96 | // depth are copied from the configuration object. | ||
| 97 | 3 | QueueMetadata& entry = this->m_prioritizedList[currentPriorityIndex]; | |
| 98 | 3 | entry.priority = queueConfig.entries[entryIndex].priority; | |
| 99 | 3 | entry.depth = queueConfig.entries[entryIndex].depth; | |
| 100 | 3 | entry.mode = queueConfig.entries[entryIndex].mode; | |
| 101 | 3 | entry.overflowMode = queueConfig.entries[entryIndex].overflowMode; | |
| 102 | 3 | entry.index = entryIndex; | |
| 103 | // Message size is determined by the type of object being stored, which in turn is determined by the | ||
| 104 | // index of the entry. Those lower than COM_PORT_COUNT are Fw::ComBuffers and those larger Fw::Buffer. | ||
| 105 |
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3 | entry.msgSize = (entryIndex < COM_PORT_COUNT) ? static_cast<FwSizeType>(Fw::ComBuffer::SERIALIZED_SIZE) |
| 106 | : static_cast<FwSizeType>(Fw::Buffer::SERIALIZED_SIZE); | ||
| 107 | // Overflow checks. A depth of 0 disables the queue and contributes no storage. | ||
| 108 |
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3 | if (entry.depth > 0) { |
| 109 | 3 | FW_ASSERT((std::numeric_limits<FwSizeType>::max() / entry.depth) >= entry.msgSize, | |
| 110 | static_cast<FwAssertArgType>(entry.depth), static_cast<FwAssertArgType>(entry.msgSize)); | ||
| 111 | 3 | FW_ASSERT(std::numeric_limits<FwSizeType>::max() - (entry.depth * entry.msgSize) >= | |
| 112 | totalAllocation); | ||
| 113 | 3 | totalAllocation += entry.depth * entry.msgSize; | |
| 114 | } | ||
| 115 | 3 | currentPriorityIndex++; | |
| 116 | } | ||
| 117 | } | ||
| 118 | } | ||
| 119 | // At least one queue must be enabled; an all-zero table is the default-constructed (unconfigured) table | ||
| 120 | 1 | FW_ASSERT(totalAllocation > 0); | |
| 121 | // Allocate a single chunk of memory from the memory allocator. Memory recover is neither needed nor used. | ||
| 122 | 1 | bool recoverable = false; | |
| 123 | 1 | FwSizeType actualAllocation = totalAllocation; | |
| 124 |
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1 | this->m_allocation = this->m_allocator->allocate(this->m_allocationId, actualAllocation, recoverable); |
| 125 | 1 | FW_ASSERT(this->m_allocation != nullptr); | |
| 126 | 1 | FW_ASSERT(actualAllocation >= totalAllocation, static_cast<FwAssertArgType>(actualAllocation), | |
| 127 | static_cast<FwAssertArgType>(totalAllocation)); | ||
| 128 | |||
| 129 | // Each of the backing queue objects must be supplied memory to store the queued messages. These data regions are | ||
| 130 | // sub-portions of the total allocated data. This memory is passed out by looping through each queue in prioritized | ||
| 131 | // order and passing out the memory to each queue's setup method. | ||
| 132 | 1 | FwSizeType allocationOffset = 0; | |
| 133 |
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4 | for (FwIndexType i = 0; i < TOTAL_PORT_COUNT; i++) { |
| 134 | // Get current queue's allocation size and safety check the values | ||
| 135 | 3 | FwSizeType allocationSize = this->m_prioritizedList[i].depth * this->m_prioritizedList[i].msgSize; | |
| 136 | 3 | FW_ASSERT(this->m_prioritizedList[i].index < static_cast<FwIndexType>(FW_NUM_ARRAY_ELEMENTS(this->m_queues)), | |
| 137 | static_cast<FwAssertArgType>(this->m_prioritizedList[i].index)); | ||
| 138 | 3 | FW_ASSERT((allocationSize + allocationOffset) <= totalAllocation, static_cast<FwAssertArgType>(allocationSize), | |
| 139 | static_cast<FwAssertArgType>(allocationOffset), static_cast<FwAssertArgType>(totalAllocation)); | ||
| 140 | |||
| 141 | // Setup queue's memory allocation, depth, and message size. Setup is skipped for a disabled (depth 0) queue | ||
| 142 |
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3 | if (this->m_prioritizedList[i].depth > 0) { |
| 143 | 3 | this->m_queues[this->m_prioritizedList[i].index].setup( | |
| 144 | 3 | reinterpret_cast<U8*>(this->m_allocation) + allocationOffset, allocationSize, | |
| 145 | 3 | this->m_prioritizedList[i].depth, this->m_prioritizedList[i].msgSize, this->m_prioritizedList[i].mode, | |
| 146 |
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3 | this->m_prioritizedList[i].overflowMode); |
| 147 | } | ||
| 148 | 3 | allocationOffset += allocationSize; | |
| 149 | } | ||
| 150 | // Safety check that all memory was used as expected | ||
| 151 | 1 | FW_ASSERT(allocationOffset == totalAllocation, static_cast<FwAssertArgType>(allocationOffset), | |
| 152 | static_cast<FwAssertArgType>(totalAllocation)); | ||
| 153 | 1 | } | |
| 154 | |||
| 155 | // ---------------------------------------------------------------------- | ||
| 156 | // Handler implementations for commands | ||
| 157 | // ---------------------------------------------------------------------- | ||
| 158 | |||
| 159 | ✗ | void ComQueue ::FLUSH_QUEUE_cmdHandler(FwOpcodeType opCode, | |
| 160 | U32 cmdSeq, | ||
| 161 | const Svc::QueueType& queueType, | ||
| 162 | FwIndexType index) { | ||
| 163 | // Acquire the queue that we need to drain | ||
| 164 | ✗ | FwIndexType queueIndex = this->getQueueNum(queueType, index); | |
| 165 | |||
| 166 | // Validate queue index | ||
| 167 | ✗ | if (queueIndex < 0 || queueIndex >= TOTAL_PORT_COUNT) { | |
| 168 | ✗ | this->cmdResponse_out(opCode, cmdSeq, Fw::CmdResponse::VALIDATION_ERROR); | |
| 169 | ✗ | return; | |
| 170 | } | ||
| 171 | ✗ | FW_ASSERT(queueIndex >= 0 && queueIndex < TOTAL_PORT_COUNT, static_cast<FwAssertArgType>(queueIndex)); | |
| 172 | |||
| 173 | ✗ | this->drainQueue(queueIndex); | |
| 174 | ✗ | this->cmdResponse_out(opCode, cmdSeq, Fw::CmdResponse::OK); | |
| 175 | } | ||
| 176 | |||
| 177 | ✗ | void ComQueue ::FLUSH_ALL_QUEUES_cmdHandler(FwOpcodeType opCode, U32 cmdSeq) { | |
| 178 | ✗ | for (FwIndexType i = 0; i < TOTAL_PORT_COUNT; i++) { | |
| 179 | ✗ | this->drainQueue(i); | |
| 180 | } | ||
| 181 | ✗ | this->cmdResponse_out(opCode, cmdSeq, Fw::CmdResponse::OK); | |
| 182 | ✗ | } | |
| 183 | |||
| 184 | ✗ | void ComQueue::SET_QUEUE_PRIORITY_cmdHandler(FwOpcodeType opCode, | |
| 185 | U32 cmdSeq, | ||
| 186 | const Svc::QueueType& queueType, | ||
| 187 | FwIndexType index, | ||
| 188 | FwIndexType newPriority) { | ||
| 189 | // Acquire the queue we are to reprioritize | ||
| 190 | ✗ | FwIndexType queueIndex = this->getQueueNum(queueType, index); | |
| 191 | |||
| 192 | // Validate queue index | ||
| 193 | ✗ | if (queueIndex < 0 || queueIndex >= TOTAL_PORT_COUNT) { | |
| 194 | ✗ | this->cmdResponse_out(opCode, cmdSeq, Fw::CmdResponse::VALIDATION_ERROR); | |
| 195 | ✗ | return; | |
| 196 | } | ||
| 197 | |||
| 198 | // Validate priority range | ||
| 199 | ✗ | if (newPriority < 0 || newPriority >= TOTAL_PORT_COUNT) { | |
| 200 | ✗ | this->cmdResponse_out(opCode, cmdSeq, Fw::CmdResponse::VALIDATION_ERROR); | |
| 201 | ✗ | return; | |
| 202 | } | ||
| 203 | |||
| 204 | // Find our queue in the prioritized list & update the priority | ||
| 205 | ✗ | for (FwIndexType prioIndex = 0; prioIndex < TOTAL_PORT_COUNT; prioIndex++) { | |
| 206 | // Each entry must reference a valid queue index | ||
| 207 | ✗ | FW_ASSERT(m_prioritizedList[prioIndex].index >= 0 && m_prioritizedList[prioIndex].index < TOTAL_PORT_COUNT, | |
| 208 | static_cast<FwAssertArgType>(m_prioritizedList[prioIndex].index)); | ||
| 209 | // If the port based index matches, then update | ||
| 210 | ✗ | if (m_prioritizedList[prioIndex].index == queueIndex) { | |
| 211 | ✗ | m_prioritizedList[prioIndex].priority = newPriority; | |
| 212 | ✗ | break; // Since we shouldn't find more than one queue at this port index | |
| 213 | } | ||
| 214 | } | ||
| 215 | |||
| 216 | // Re-sort the prioritized list to maintain priority ordering | ||
| 217 | // Using simple bubble sort since TOTAL_PORT_COUNT is typically small | ||
| 218 | ✗ | for (FwIndexType i = 0; i < TOTAL_PORT_COUNT - 1; i++) { | |
| 219 | ✗ | for (FwIndexType j = 0; (j < TOTAL_PORT_COUNT - i - 1) && (j < TOTAL_PORT_COUNT - 1); j++) { | |
| 220 | ✗ | if (m_prioritizedList[j].priority > m_prioritizedList[j + 1].priority) { | |
| 221 | // Swap metadata | ||
| 222 | ✗ | QueueMetadata temp = m_prioritizedList[j]; | |
| 223 | ✗ | m_prioritizedList[j] = m_prioritizedList[j + 1]; | |
| 224 | ✗ | m_prioritizedList[j + 1] = temp; | |
| 225 | } | ||
| 226 | } | ||
| 227 | } | ||
| 228 | |||
| 229 | // Emit event for successful priority change | ||
| 230 | ✗ | this->log_ACTIVITY_HI_QueuePriorityChanged(queueType, index, newPriority); | |
| 231 | |||
| 232 | // Send command response | ||
| 233 | ✗ | this->cmdResponse_out(opCode, cmdSeq, Fw::CmdResponse::OK); | |
| 234 | } | ||
| 235 | |||
| 236 | // ---------------------------------------------------------------------- | ||
| 237 | // Handler implementations for user-defined typed input ports | ||
| 238 | // ---------------------------------------------------------------------- | ||
| 239 | |||
| 240 | 822 | void ComQueue::comPacketQueueIn_handler(const FwIndexType portNum, Fw::ComBuffer& data, U32 context) { | |
| 241 | // Ensure that the port number of comPacketQueueIn is consistent with the expectation | ||
| 242 | 822 | FW_ASSERT(portNum >= 0 && portNum < COM_PORT_COUNT, static_cast<FwAssertArgType>(portNum)); | |
| 243 | 822 | (void)this->enqueue(portNum, data); | |
| 244 | 822 | } | |
| 245 | |||
| 246 | 30 | void ComQueue::bufferQueueIn_handler(const FwIndexType portNum, Fw::Buffer& fwBuffer) { | |
| 247 | 30 | FW_ASSERT(std::numeric_limits<FwIndexType>::max() - COM_PORT_COUNT > portNum); | |
| 248 | 30 | const FwIndexType queueNum = static_cast<FwIndexType>(portNum + COM_PORT_COUNT); | |
| 249 | // Ensure that the port number of bufferQueueIn is consistent with the expectation | ||
| 250 | 30 | FW_ASSERT(portNum >= 0 && portNum < BUFFER_PORT_COUNT, static_cast<FwAssertArgType>(portNum)); | |
| 251 | 30 | FW_ASSERT(queueNum < TOTAL_PORT_COUNT); | |
| 252 | 30 | bool success = this->enqueue(queueNum, fwBuffer); | |
| 253 |
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30 | if (!success) { |
| 254 | ✗ | this->bufferReturnOut_out(portNum, fwBuffer); | |
| 255 | } | ||
| 256 | 30 | } | |
| 257 | |||
| 258 | 853 | void ComQueue::comStatusIn_handler(const FwIndexType portNum, Fw::Success& condition) { | |
| 259 |
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853 | switch (this->m_state) { |
| 260 | // On success, the queue should be processed. On failure, the component should still wait. | ||
| 261 | 853 | case WAITING: | |
| 262 |
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853 | if (condition.e == Fw::Success::SUCCESS) { |
| 263 | 853 | this->m_state = READY; | |
| 264 | 853 | this->processQueue(); | |
| 265 | // A message may or may not be sent. Thus, READY or WAITING are acceptable final states. | ||
| 266 | 853 | FW_ASSERT((this->m_state == WAITING || this->m_state == READY), | |
| 267 | static_cast<FwAssertArgType>(this->m_state)); | ||
| 268 | } else { | ||
| 269 | ✗ | this->m_state = WAITING; | |
| 270 | } | ||
| 271 | 853 | break; | |
| 272 | // Both READY and unknown states should not be possible at this point. To receive a status message we must be | ||
| 273 | // one of the WAITING or RETRY states. | ||
| 274 | ✗ | default: | |
| 275 | ✗ | FW_ASSERT(false, static_cast<FwAssertArgType>(this->m_state)); | |
| 276 | ✗ | break; | |
| 277 | } | ||
| 278 | 853 | } | |
| 279 | |||
| 280 | 262 | void ComQueue::run_handler(const FwIndexType portNum, U32 context) { | |
| 281 | 262 | bool expected = false; | |
| 282 |
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262 | if (this->m_runQueued.compare_exchange_strong(expected, true)) { |
| 283 |
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262 | this->runInternal_internalInterfaceInvoke(); |
| 284 | } | ||
| 285 | 262 | } | |
| 286 | |||
| 287 | ✗ | void ComQueue::runInternal_overflowHook() { | |
| 288 | ✗ | this->m_runQueued = false; | |
| 289 | ✗ | } | |
| 290 | |||
| 291 | 262 | void ComQueue::runInternal_internalInterfaceHandler() { | |
| 292 | 262 | this->m_runQueued = false; | |
| 293 | // Downlink the high-water marks for the Fw::ComBuffer array types. Disabled (depth 0) queues report 0. | ||
| 294 |
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262 | ComQueueDepth comQueueDepth; |
| 295 | FW_ASSERT(comQueueDepth.SIZE <= COM_PORT_COUNT, static_cast<FwAssertArgType>(comQueueDepth.SIZE)); | ||
| 296 |
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786 | for (U32 i = 0; i < comQueueDepth.SIZE; i++) { |
| 297 | 524 | const FwIndexType queueNum = static_cast<FwIndexType>(i); | |
| 298 |
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524 | comQueueDepth[i] = 0; |
| 299 |
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524 | if (this->getQueueDepth(queueNum) > 0) { |
| 300 |
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524 | comQueueDepth[i] = static_cast<U32>(this->m_queues[queueNum].get_high_water_mark()); |
| 301 |
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524 | this->m_queues[queueNum].clear_high_water_mark(); |
| 302 | } | ||
| 303 | } | ||
| 304 |
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262 | this->tlmWrite_comQueueDepth(comQueueDepth); |
| 305 | |||
| 306 | // Downlink the high-water marks for the Fw::Buffer array types | ||
| 307 |
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262 | BuffQueueDepth buffQueueDepth; |
| 308 | FW_ASSERT((buffQueueDepth.SIZE + COM_PORT_COUNT) <= TOTAL_PORT_COUNT, | ||
| 309 | static_cast<FwAssertArgType>(buffQueueDepth.SIZE)); | ||
| 310 |
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524 | for (U32 i = 0; i < buffQueueDepth.SIZE; i++) { |
| 311 | 262 | const FwIndexType queueNum = static_cast<FwIndexType>(i + COM_PORT_COUNT); | |
| 312 |
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262 | buffQueueDepth[i] = 0; |
| 313 |
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262 | if (this->getQueueDepth(queueNum) > 0) { |
| 314 |
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262 | buffQueueDepth[i] = static_cast<U32>(this->m_queues[queueNum].get_high_water_mark()); |
| 315 |
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262 | this->m_queues[queueNum].clear_high_water_mark(); |
| 316 | } | ||
| 317 | } | ||
| 318 |
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262 | this->tlmWrite_buffQueueDepth(buffQueueDepth); |
| 319 | |||
| 320 |
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262 | ComQueueIngressDrops comIngressDropped; |
| 321 | FW_ASSERT(comIngressDropped.SIZE <= COM_PORT_COUNT, static_cast<FwAssertArgType>(comIngressDropped.SIZE)); | ||
| 322 |
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786 | for (U32 i = 0; i < comIngressDropped.SIZE; i++) { |
| 323 |
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1048 | comIngressDropped[i] = this->m_comIngressDrops[i].load(std::memory_order_relaxed); |
| 324 | } | ||
| 325 |
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262 | this->tlmWrite_comIngressDropped(comIngressDropped); |
| 326 | |||
| 327 |
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262 | BuffQueueIngressDrops buffIngressDropped; |
| 328 | FW_ASSERT(buffIngressDropped.SIZE <= BUFFER_PORT_COUNT, static_cast<FwAssertArgType>(buffIngressDropped.SIZE)); | ||
| 329 |
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524 | for (U32 i = 0; i < buffIngressDropped.SIZE; i++) { |
| 330 |
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524 | buffIngressDropped[i] = this->m_buffIngressDrops[i].load(std::memory_order_relaxed); |
| 331 | } | ||
| 332 |
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262 | this->tlmWrite_buffIngressDropped(buffIngressDropped); |
| 333 | |||
| 334 |
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262 | ComQueueManagedDrops comManagedDropped; |
| 335 | FW_ASSERT(comManagedDropped.SIZE <= COM_PORT_COUNT, static_cast<FwAssertArgType>(comManagedDropped.SIZE)); | ||
| 336 |
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786 | for (U32 i = 0; i < comManagedDropped.SIZE; i++) { |
| 337 |
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524 | comManagedDropped[i] = this->m_managedDrops[i]; |
| 338 | } | ||
| 339 |
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262 | this->tlmWrite_comManagedDropped(comManagedDropped); |
| 340 | |||
| 341 |
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262 | BuffQueueManagedDrops buffManagedDropped; |
| 342 | FW_ASSERT((buffManagedDropped.SIZE + COM_PORT_COUNT) <= TOTAL_PORT_COUNT, | ||
| 343 | static_cast<FwAssertArgType>(buffManagedDropped.SIZE)); | ||
| 344 |
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524 | for (U32 i = 0; i < buffManagedDropped.SIZE; i++) { |
| 345 |
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262 | buffManagedDropped[i] = this->m_managedDrops[COM_PORT_COUNT + i]; |
| 346 | } | ||
| 347 |
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262 | this->tlmWrite_buffManagedDropped(buffManagedDropped); |
| 348 | 262 | } | |
| 349 | |||
| 350 | 852 | void ComQueue ::dataReturnIn_handler(FwIndexType portNum, Fw::Buffer& data, const ComCfg::FrameContext& context) { | |
| 351 | static_assert(std::numeric_limits<FwIndexType>::is_signed, "FwIndexType must be signed"); | ||
| 352 | // This handler runs on the returning caller's thread: take ownership atomically | ||
| 353 | 852 | const BufferState previousState = this->m_buffer_state.exchange(OWNED); | |
| 354 | 852 | FW_ASSERT(previousState == UNOWNED, static_cast<FwAssertArgType>(previousState)); | |
| 355 | // For the buffer queues, the index of the queue is portNum offset by COM_PORT_COUNT since | ||
| 356 | // the first COM_PORT_COUNT queues are for ComBuffer. So we have for buffer queues: | ||
| 357 | // queueNum = portNum + COM_PORT_COUNT | ||
| 358 | // Since queueNum is used as APID, we can retrieve the original portNum like such: | ||
| 359 | 852 | FwIndexType bufferReturnPortNum = static_cast<FwIndexType>(context.get_comQueueIndex() - ComQueue::COM_PORT_COUNT); | |
| 360 | // Failing this assert means that context.apid was modified since ComQueue set it, which should not happen | ||
| 361 | 852 | FW_ASSERT(bufferReturnPortNum < BUFFER_PORT_COUNT, static_cast<FwAssertArgType>(bufferReturnPortNum)); | |
| 362 |
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852 | if (bufferReturnPortNum >= 0) { |
| 363 | // It is a coding error not to connect the associated bufferReturnOut port for each dataReturnIn port | ||
| 364 | 30 | FW_ASSERT(this->isConnected_bufferReturnOut_OutputPort(bufferReturnPortNum), | |
| 365 | static_cast<FwAssertArgType>(bufferReturnPortNum)); | ||
| 366 | // If this is a buffer port, return the buffer to the BufferDownlink | ||
| 367 | 30 | this->bufferReturnOut_out(bufferReturnPortNum, data); | |
| 368 | } | ||
| 369 | 852 | } | |
| 370 | |||
| 371 | // ---------------------------------------------------------------------- | ||
| 372 | // Hook implementations for typed async input ports | ||
| 373 | // ---------------------------------------------------------------------- | ||
| 374 | |||
| 375 | ✗ | void ComQueue::comPacketQueueIn_overflowHook(FwIndexType portNum, Fw::ComBuffer& data, U32 context) { | |
| 376 | ✗ | FW_ASSERT(portNum >= 0 && portNum < COM_PORT_COUNT, static_cast<FwAssertArgType>(portNum)); | |
| 377 | (void)data; | ||
| 378 | (void)context; | ||
| 379 | ✗ | this->m_comIngressDrops[portNum].fetch_add(1, std::memory_order_relaxed); | |
| 380 | ✗ | } | |
| 381 | |||
| 382 | ✗ | void ComQueue::bufferQueueIn_overflowHook(FwIndexType portNum, Fw::Buffer& fwBuffer) { | |
| 383 | ✗ | FW_ASSERT(portNum >= 0 && portNum < BUFFER_PORT_COUNT, static_cast<FwAssertArgType>(portNum)); | |
| 384 | ✗ | this->m_buffIngressDrops[portNum].fetch_add(1, std::memory_order_relaxed); | |
| 385 | ✗ | this->bufferReturnOut_out(portNum, fwBuffer); | |
| 386 | ✗ | } | |
| 387 | |||
| 388 | // ---------------------------------------------------------------------- | ||
| 389 | // Private helper methods | ||
| 390 | // ---------------------------------------------------------------------- | ||
| 391 | |||
| 392 | 822 | bool ComQueue::enqueue(const FwIndexType queueNum, const Fw::ComBuffer& data) { | |
| 393 | // Enqueue the given message onto the matching queue. When no space is available then emit the queue overflow event, | ||
| 394 | // set the appropriate throttle, and move on. A disabled (depth 0) queue has no space and always overflows. | ||
| 395 | 822 | FW_ASSERT(queueNum >= 0 && queueNum < COM_PORT_COUNT, static_cast<FwAssertArgType>(queueNum)); | |
| 396 |
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822 | if (this->getQueueDepth(queueNum) == 0) { |
| 397 | ✗ | return this->handleEnqueueStatus(queueNum, QueueType::COM_QUEUE, queueNum, false, | |
| 398 | ✗ | Fw::FW_SERIALIZE_NO_ROOM_LEFT); | |
| 399 | } | ||
| 400 | |||
| 401 | 822 | const Fw::SerializeStatus status = this->m_queues[queueNum].enqueue(data); | |
| 402 |
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822 | return this->handleEnqueueStatus(queueNum, QueueType::COM_QUEUE, queueNum, false, status); |
| 403 | } | ||
| 404 | |||
| 405 | 30 | bool ComQueue::enqueue(const FwIndexType queueNum, const Fw::Buffer& data) { | |
| 406 | // Enqueue the given message onto the matching queue. When no space is available then emit the queue overflow event, | ||
| 407 | // set the appropriate throttle, and move on. A disabled (depth 0) queue has no space and always overflows. | ||
| 408 | 30 | FW_ASSERT(queueNum >= COM_PORT_COUNT && queueNum < TOTAL_PORT_COUNT, static_cast<FwAssertArgType>(queueNum)); | |
| 409 | 30 | const FwIndexType portNum = static_cast<FwIndexType>(queueNum - COM_PORT_COUNT); | |
| 410 |
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30 | if (this->getQueueDepth(queueNum) == 0) { |
| 411 | ✗ | return this->handleEnqueueStatus(queueNum, QueueType::BUFFER_QUEUE, portNum, false, | |
| 412 | ✗ | Fw::FW_SERIALIZE_NO_ROOM_LEFT); | |
| 413 | } | ||
| 414 | |||
| 415 | // For buffer queues with DROP_OLDEST, check if the queue is full before enqueuing. | ||
| 416 | // If full, dequeue the oldest entry first so we can return buffer ownership before | ||
| 417 | // Queue::enqueue() silently discards it via rotate. This prevents buffer-pool leaks. | ||
| 418 | 30 | bool preEmptiveOverflow = false; | |
| 419 | 30 | Types::Queue& queue = this->m_queues[queueNum]; | |
| 420 |
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120 | for (FwIndexType i = 0; i < TOTAL_PORT_COUNT; i++) { |
| 421 | 210 | if (this->m_prioritizedList[i].index == queueNum && | |
| 422 |
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90 | this->m_prioritizedList[i].overflowMode == Types::QUEUE_DROP_OLDEST && |
| 423 | ✗ | queue.getQueueSize() >= this->m_prioritizedList[i].depth) { | |
| 424 | // Queue is full and will drop oldest; remove the front entry to return ownership. | ||
| 425 | // popFront() always removes from the front (oldest) regardless of queue mode, | ||
| 426 | // matching the rotate-based removal that Queue::enqueue() uses for DROP_OLDEST. | ||
| 427 | ✗ | Fw::Buffer droppedBuffer; | |
| 428 | ✗ | Fw::SerializeStatus dequeueStatus = queue.popFront(droppedBuffer); | |
| 429 | ✗ | FW_ASSERT(dequeueStatus == Fw::FW_SERIALIZE_OK, static_cast<FwAssertArgType>(dequeueStatus)); | |
| 430 | ✗ | this->bufferReturnOut_out(portNum, droppedBuffer); | |
| 431 | ✗ | preEmptiveOverflow = true; | |
| 432 | ✗ | break; | |
| 433 | ✗ | } | |
| 434 | } | ||
| 435 | |||
| 436 | 30 | const Fw::SerializeStatus status = this->m_queues[queueNum].enqueue(data); | |
| 437 |
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30 | return this->handleEnqueueStatus(queueNum, QueueType::BUFFER_QUEUE, portNum, preEmptiveOverflow, status); |
| 438 | } | ||
| 439 | |||
| 440 | 852 | bool ComQueue::handleEnqueueStatus(const FwIndexType queueNum, | |
| 441 | QueueType queueType, | ||
| 442 | const FwIndexType portNum, | ||
| 443 | const bool preEmptiveOverflow, | ||
| 444 | const Fw::SerializeStatus status) { | ||
| 445 |
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852 | if (preEmptiveOverflow || status == Fw::FW_SERIALIZE_NO_ROOM_LEFT || |
| 446 | status == Fw::FW_SERIALIZE_DISCARDED_EXISTING) { | ||
| 447 | ✗ | ++this->m_managedDrops[queueNum]; | |
| 448 | ✗ | if (!this->m_throttle[queueNum]) { | |
| 449 | ✗ | this->log_WARNING_HI_QueueOverflow(queueType, portNum); | |
| 450 | ✗ | this->m_throttle[queueNum] = true; | |
| 451 | } | ||
| 452 | } | ||
| 453 | |||
| 454 | // When the component is already in READY state process the queue to send out the next available message immediately | ||
| 455 |
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852 | if (this->m_state == READY) { |
| 456 | 463 | this->processQueue(); | |
| 457 | } | ||
| 458 | |||
| 459 | // Check if the buffer was accepted or must be returned | ||
| 460 | 852 | return status != Fw::FW_SERIALIZE_NO_ROOM_LEFT; | |
| 461 | } | ||
| 462 | |||
| 463 | 822 | void ComQueue::sendComBuffer(Fw::ComBuffer& comBuffer, FwIndexType queueIndex) { | |
| 464 | 822 | FW_ASSERT(this->m_state == READY); | |
| 465 |
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822 | Fw::Buffer outBuffer(comBuffer.getBuffAddr(), static_cast<Fw::Buffer::SizeType>(comBuffer.getSize())); |
| 466 | |||
| 467 | // Context value is used to determine what to do when the buffer returns on the dataReturnIn port | ||
| 468 |
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822 | ComCfg::FrameContext context; |
| 469 | 822 | FwPacketDescriptorType descriptor = 0; | |
| 470 |
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822 | Fw::SerializeStatus status = comBuffer.deserializeTo(descriptor); |
| 471 | 822 | FW_ASSERT(status == Fw::FW_SERIALIZE_OK, static_cast<FwAssertArgType>(status)); | |
| 472 |
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822 | context.set_apid(static_cast<ComCfg::Apid::T>(descriptor)); |
| 473 |
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822 | context.set_comQueueIndex(queueIndex); |
| 474 | 822 | const BufferState previousState = this->m_buffer_state.exchange(UNOWNED); | |
| 475 | 822 | FW_ASSERT(previousState == OWNED, static_cast<FwAssertArgType>(previousState)); | |
| 476 |
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822 | this->dataOut_out(0, outBuffer, context); |
| 477 | // Set state to WAITING for the status to come back | ||
| 478 | 822 | this->m_state = WAITING; | |
| 479 | 822 | } | |
| 480 | |||
| 481 | 30 | void ComQueue::sendBuffer(Fw::Buffer& buffer, FwIndexType queueIndex) { | |
| 482 | // Retry buffer expected to be cleared as we are either transferring ownership or have already deallocated it. | ||
| 483 | 30 | FW_ASSERT(this->m_state == READY); | |
| 484 | |||
| 485 | // Context value is used to determine what to do when the buffer returns on the dataReturnIn port | ||
| 486 |
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30 | ComCfg::FrameContext context; |
| 487 | FwPacketDescriptorType descriptor; | ||
| 488 |
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30 | Fw::SerializeStatus status = buffer.getDeserializer().deserializeTo(descriptor); |
| 489 | 30 | FW_ASSERT(status == Fw::FW_SERIALIZE_OK, static_cast<FwAssertArgType>(status)); | |
| 490 |
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30 | context.set_apid(static_cast<ComCfg::Apid::T>(descriptor)); |
| 491 |
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30 | context.set_comQueueIndex(queueIndex); |
| 492 | 30 | const BufferState previousState = this->m_buffer_state.exchange(UNOWNED); | |
| 493 | 30 | FW_ASSERT(previousState == OWNED, static_cast<FwAssertArgType>(previousState)); | |
| 494 |
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30 | this->dataOut_out(0, buffer, context); |
| 495 | // Set state to WAITING for the status to come back | ||
| 496 | 30 | this->m_state = WAITING; | |
| 497 | 30 | } | |
| 498 | |||
| 499 | ✗ | void ComQueue::drainQueue(FwIndexType index) { | |
| 500 | ✗ | FW_ASSERT(index >= 0 && index < TOTAL_PORT_COUNT, static_cast<FwAssertArgType>(index)); | |
| 501 | // A disabled (depth 0) queue holds no messages and has no backing storage to drain | ||
| 502 | ✗ | if (this->getQueueDepth(index) == 0) { | |
| 503 | ✗ | return; | |
| 504 | } | ||
| 505 | ✗ | Types::Queue& queue = this->m_queues[index]; | |
| 506 | |||
| 507 | // Read all messages from the queue and discard them | ||
| 508 | ✗ | Fw::SerializeStatus status = Fw::FW_SERIALIZE_OK; | |
| 509 | ✗ | const FwSizeType available = queue.getQueueSize(); | |
| 510 | ✗ | for (FwSizeType i = 0; (i < available) && (status == Fw::FW_SERIALIZE_OK); i++) { | |
| 511 | ✗ | if (index < COM_PORT_COUNT) { | |
| 512 | // Dequeueing deserializes the persisted Fw::ComBuffer from the queue's storage | ||
| 513 | ✗ | Fw::ComBuffer comBuffer; | |
| 514 | ✗ | status = queue.dequeue(comBuffer); | |
| 515 | ✗ | } else { | |
| 516 | // For buffer queues, if the buffer requires ownership return, return it via the bufferReturnOut port | ||
| 517 | // Dequeueing deserializes the persisted Fw::Buffer from the queue's storage | ||
| 518 | ✗ | Fw::Buffer buffer; | |
| 519 | ✗ | status = queue.dequeue(buffer); | |
| 520 | ✗ | this->bufferReturnOut_out(static_cast<FwIndexType>(index - COM_PORT_COUNT), buffer); | |
| 521 | ✗ | } | |
| 522 | } | ||
| 523 | } | ||
| 524 | |||
| 525 | 1316 | void ComQueue::processQueue() { | |
| 526 | 1316 | FwIndexType priorityIndex = 0; | |
| 527 | 1316 | FwIndexType sendPriority = 0; | |
| 528 | // Check that we are in the appropriate state | ||
| 529 | 1316 | FW_ASSERT(this->m_state == READY); | |
| 530 | |||
| 531 | // Walk all the queues in priority order. Send the first message that is available in priority order. No balancing | ||
| 532 | // is done within this loop. | ||
| 533 |
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3266 | for (priorityIndex = 0; priorityIndex < TOTAL_PORT_COUNT; priorityIndex++) { |
| 534 | 2802 | QueueMetadata& entry = this->m_prioritizedList[priorityIndex]; | |
| 535 | 2802 | Types::Queue& queue = this->m_queues[entry.index]; | |
| 536 | |||
| 537 | // Continue onto next prioritized queue if the current queue is disabled (depth 0) or holds no items | ||
| 538 |
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2802 | if ((entry.depth == 0) || (queue.getQueueSize() == 0)) { |
| 539 | 1950 | continue; | |
| 540 | } | ||
| 541 | |||
| 542 | // Send out the message based on the type | ||
| 543 |
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852 | if (entry.index < COM_PORT_COUNT) { |
| 544 | // Dequeue deserializes the persisted Fw::ComBuffer from the queue's storage | ||
| 545 | 822 | FW_ASSERT(this->m_buffer_state.load() == OWNED); | |
| 546 | 822 | auto dequeue_status = queue.dequeue(this->m_dequeued_com_buffer); | |
| 547 | 822 | FW_ASSERT(dequeue_status == Fw::SerializeStatus::FW_SERIALIZE_OK, | |
| 548 | static_cast<FwAssertArgType>(dequeue_status)); | ||
| 549 | 822 | this->sendComBuffer(this->m_dequeued_com_buffer, entry.index); | |
| 550 | } else { | ||
| 551 |
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30 | Fw::Buffer buffer; |
| 552 |
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30 | auto dequeue_status = queue.dequeue(buffer); |
| 553 | 30 | FW_ASSERT(dequeue_status == Fw::SerializeStatus::FW_SERIALIZE_OK, | |
| 554 | static_cast<FwAssertArgType>(dequeue_status)); | ||
| 555 |
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30 | this->sendBuffer(buffer, entry.index); |
| 556 | 30 | } | |
| 557 | |||
| 558 | // Update the throttle and the index that was just sent | ||
| 559 | 852 | this->m_throttle[entry.index] = false; | |
| 560 | |||
| 561 | // Priority used in the next loop | ||
| 562 | 852 | sendPriority = entry.priority; | |
| 563 | 852 | break; | |
| 564 | } | ||
| 565 | |||
| 566 | // Starting on the priority entry after the one dispatched and continuing through the end of the set of entries that | ||
| 567 | // share the same priority, rotate those entries such that the currently dispatched queue is last and the rest are | ||
| 568 | // shifted up by one. This effectively round-robins the queues of the same priority. | ||
| 569 | 1316 | for (priorityIndex++; | |
| 570 |
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1316 | priorityIndex < TOTAL_PORT_COUNT && (this->m_prioritizedList[priorityIndex].priority == sendPriority); |
| 571 | priorityIndex++) { | ||
| 572 | // Swap the previous entry with this one. | ||
| 573 | ✗ | QueueMetadata temp = this->m_prioritizedList[priorityIndex]; | |
| 574 | ✗ | this->m_prioritizedList[priorityIndex] = this->m_prioritizedList[priorityIndex - 1]; | |
| 575 | ✗ | this->m_prioritizedList[priorityIndex - 1] = temp; | |
| 576 | } | ||
| 577 | 1316 | } | |
| 578 | |||
| 579 | ✗ | FwIndexType ComQueue::getQueueNum(Svc::QueueType queueType, FwIndexType portNum) { | |
| 580 | // Validate against the per-type port count before folding so an invalid index cannot alias another queue type | ||
| 581 | ✗ | const FwIndexType portCount = (queueType == QueueType::COM_QUEUE) ? COM_PORT_COUNT : BUFFER_PORT_COUNT; | |
| 582 | ✗ | if (portNum < 0 || portNum >= portCount) { | |
| 583 | ✗ | return -1; | |
| 584 | } | ||
| 585 | ✗ | return static_cast<FwIndexType>(portNum + ((queueType == QueueType::COM_QUEUE) ? 0 : COM_PORT_COUNT)); | |
| 586 | } | ||
| 587 | |||
| 588 | 1638 | FwSizeType ComQueue::getQueueDepth(const FwIndexType queueNum) const { | |
| 589 | 1638 | FW_ASSERT(queueNum >= 0 && queueNum < TOTAL_PORT_COUNT, static_cast<FwAssertArgType>(queueNum)); | |
| 590 |
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2982 | for (FwIndexType i = 0; i < TOTAL_PORT_COUNT; i++) { |
| 591 |
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2982 | if (this->m_prioritizedList[i].index == queueNum) { |
| 592 | 1638 | return this->m_prioritizedList[i].depth; | |
| 593 | } | ||
| 594 | } | ||
| 595 | // configure() places exactly one metadata entry per queue in the prioritized list | ||
| 596 | ✗ | FW_ASSERT(false, static_cast<FwAssertArgType>(queueNum)); | |
| 597 | ✗ | return 0; | |
| 598 | } | ||
| 599 | } // end namespace Svc | ||
| 600 |