Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 1 | /* |
| 2 | // Copyright (c) 2019 Intel Corporation |
| 3 | // |
| 4 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | // you may not use this file except in compliance with the License. |
| 6 | // You may obtain a copy of the License at |
| 7 | // |
| 8 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | // |
| 10 | // Unless required by applicable law or agreed to in writing, software |
| 11 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | // See the License for the specific language governing permissions and |
| 14 | // limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "peci_pcie.hpp" |
| 18 | |
| 19 | #include "pciDeviceClass.hpp" |
| 20 | #include "pciVendors.hpp" |
| 21 | |
Jason M. Bills | bce86a6 | 2020-10-08 16:03:47 -0700 | [diff] [blame] | 22 | #include <boost/asio/io_service.hpp> |
| 23 | #include <boost/asio/steady_timer.hpp> |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 24 | #include <boost/container/flat_map.hpp> |
| 25 | #include <boost/container/flat_set.hpp> |
| 26 | #include <sdbusplus/asio/object_server.hpp> |
Jason M. Bills | ee6d80b | 2021-06-11 07:37:30 -0700 | [diff] [blame] | 27 | #include <sdbusplus/bus/match.hpp> |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 28 | |
| 29 | #include <iomanip> |
| 30 | #include <iostream> |
| 31 | #include <set> |
| 32 | #include <sstream> |
Willy Tu | 975faf7 | 2022-09-23 18:39:16 +0000 | [diff] [blame] | 33 | #include <unordered_set> |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 34 | |
| 35 | namespace peci_pcie |
| 36 | { |
| 37 | static boost::container::flat_map< |
| 38 | int, boost::container::flat_map< |
| 39 | int, boost::container::flat_map< |
| 40 | int, std::shared_ptr<sdbusplus::asio::dbus_interface>>>> |
| 41 | pcieDeviceDBusMap; |
| 42 | |
Jason M. Bills | ee6d80b | 2021-06-11 07:37:30 -0700 | [diff] [blame] | 43 | static bool abortScan; |
| 44 | |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 45 | namespace function |
| 46 | { |
| 47 | static constexpr char const* functionTypeName = "FunctionType"; |
| 48 | static constexpr char const* deviceClassName = "DeviceClass"; |
| 49 | static constexpr char const* vendorIdName = "VendorId"; |
| 50 | static constexpr char const* deviceIdName = "DeviceId"; |
| 51 | static constexpr char const* classCodeName = "ClassCode"; |
| 52 | static constexpr char const* revisionIdName = "RevisionId"; |
| 53 | static constexpr char const* subsystemIdName = "SubsystemId"; |
| 54 | static constexpr char const* subsystemVendorIdName = "SubsystemVendorId"; |
| 55 | } // namespace function |
Andrei Kartashev | 6f55203 | 2021-05-11 21:25:29 +0300 | [diff] [blame] | 56 | |
| 57 | static constexpr const std::array pciConfigInfo{ |
| 58 | std::tuple<const char*, int, int>{function::functionTypeName, -1, -1}, |
| 59 | std::tuple<const char*, int, int>{function::deviceClassName, -1, -1}, |
| 60 | std::tuple<const char*, int, int>{function::vendorIdName, 0, 2}, |
| 61 | std::tuple<const char*, int, int>{function::deviceIdName, 2, 2}, |
| 62 | std::tuple<const char*, int, int>{function::classCodeName, 9, 3}, |
| 63 | std::tuple<const char*, int, int>{function::revisionIdName, 8, 1}, |
| 64 | std::tuple<const char*, int, int>{function::subsystemIdName, 0x2e, 2}, |
| 65 | std::tuple<const char*, int, int>{function::subsystemVendorIdName, 0x2c, |
| 66 | 2}}; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 67 | } // namespace peci_pcie |
| 68 | |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 69 | enum class resCode |
| 70 | { |
| 71 | resOk, |
Spencer Ku | bb5efe7 | 2021-09-02 16:11:14 +0800 | [diff] [blame] | 72 | resSkip, |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 73 | resErr |
| 74 | }; |
| 75 | |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 76 | struct CPUInfo |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 77 | { |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 78 | size_t addr; |
| 79 | bool skipCpuBuses; |
| 80 | boost::container::flat_set<size_t> cpuBusNums; |
| 81 | }; |
| 82 | |
| 83 | // PECI Client Address Map |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 84 | static resCode getCPUBusMap(std::vector<CPUInfo>& cpuInfo) |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 85 | { |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 86 | cpuInfo.clear(); |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 87 | for (size_t addr = MIN_CLIENT_ADDR; addr <= MAX_CLIENT_ADDR; addr++) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 88 | { |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 89 | if (peci_Ping(addr) != PECI_CC_SUCCESS) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 90 | { |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 91 | continue; |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 92 | } |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 93 | |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 94 | auto& cpu = cpuInfo.emplace_back(CPUInfo{addr, false, {}}); |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 95 | uint8_t cc = 0; |
| 96 | CPUModel model{}; |
| 97 | uint8_t stepping = 0; |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 98 | if (peci_GetCPUID(addr, &model, &stepping, &cc) != PECI_CC_SUCCESS) |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 99 | { |
| 100 | std::cerr << "Cannot get CPUID!\n"; |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 101 | return resCode::resErr; |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | switch (model) |
| 105 | { |
| 106 | case skx: |
| 107 | { |
| 108 | // Get the assigned CPU bus numbers from CPUBUSNO and CPUBUSNO1 |
| 109 | // (B(0) D8 F2 offsets CCh and D0h) |
| 110 | uint32_t cpuBusNum = 0; |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 111 | if (peci_RdPCIConfigLocal(addr, 0, 8, 2, 0xCC, 4, |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 112 | (uint8_t*)&cpuBusNum, |
| 113 | &cc) != PECI_CC_SUCCESS) |
| 114 | { |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 115 | return resCode::resErr; |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 116 | } |
| 117 | uint32_t cpuBusNum1 = 0; |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 118 | if (peci_RdPCIConfigLocal(addr, 0, 8, 2, 0xD0, 4, |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 119 | (uint8_t*)&cpuBusNum1, |
| 120 | &cc) != PECI_CC_SUCCESS) |
| 121 | { |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 122 | return resCode::resErr; |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 123 | } |
| 124 | |
| 125 | // Add the CPU bus numbers to the set for this CPU |
| 126 | while (cpuBusNum) |
| 127 | { |
| 128 | // Get the LSB |
| 129 | size_t busNum = cpuBusNum & 0xFF; |
| 130 | cpu.cpuBusNums.insert(busNum); |
| 131 | // Shift right by one byte |
| 132 | cpuBusNum >>= 8; |
| 133 | } |
| 134 | while (cpuBusNum1) |
| 135 | { |
| 136 | // Get the LSB |
| 137 | size_t busNum = cpuBusNum1 & 0xFF; |
| 138 | cpu.cpuBusNums.insert(busNum); |
| 139 | // Shift right by one byte |
Zev Weiss | 9fa54b5 | 2020-09-02 21:20:33 +0000 | [diff] [blame] | 140 | cpuBusNum1 >>= 8; |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 141 | } |
| 142 | cpu.skipCpuBuses = true; |
| 143 | } |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 144 | } |
| 145 | } |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 146 | return cpuInfo.empty() ? resCode::resErr : resCode::resOk; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 147 | } |
| 148 | |
| 149 | static bool isPECIAvailable(void) |
| 150 | { |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 151 | for (size_t i = MIN_CLIENT_ADDR; i <= MAX_CLIENT_ADDR; i++) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 152 | { |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 153 | if (peci_Ping(i) == PECI_CC_SUCCESS) |
| 154 | { |
| 155 | return true; |
| 156 | } |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 157 | } |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 158 | return false; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 159 | } |
| 160 | |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 161 | static resCode getDataFromPCIeConfig(const int& clientAddr, const int& bus, |
| 162 | const int& dev, const int& func, |
| 163 | const int& offset, const int& size, |
| 164 | uint32_t& pciData) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 165 | { |
| 166 | // PECI RdPCIConfig() currently only supports 4 byte reads, so adjust |
| 167 | // the offset and size to get the right data |
| 168 | static constexpr const int pciReadSize = 4; |
| 169 | int mod = offset % pciReadSize; |
| 170 | int pciOffset = offset - mod; |
| 171 | if (mod + size > pciReadSize) |
| 172 | { |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 173 | return resCode::resErr; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 174 | } |
| 175 | |
| 176 | std::array<uint8_t, pciReadSize> data; |
| 177 | uint8_t cc; |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 178 | int ret = PECI_CC_TIMEOUT; |
| 179 | for (int index = 0; (index < 5) && (ret == PECI_CC_TIMEOUT); index++) |
| 180 | { |
Jason M. Bills | 3b1665a | 2021-06-11 13:35:04 -0700 | [diff] [blame] | 181 | #ifdef USE_RDENDPOINTCFG |
| 182 | ret = peci_RdEndPointConfigPci(clientAddr, // CPU Address |
| 183 | 0, // PCI Seg (use 0 for now) |
| 184 | bus, // PCI Bus |
| 185 | dev, // PCI Device |
| 186 | func, // PCI Function |
| 187 | pciOffset, // PCI Offset |
| 188 | pciReadSize, // PCI Read Size |
| 189 | data.data(), // PCI Read Data |
| 190 | &cc); // PECI Completion Code |
| 191 | #else |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 192 | ret = peci_RdPCIConfig(clientAddr, // CPU Address |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 193 | bus, // PCI Bus |
| 194 | dev, // PCI Device |
| 195 | func, // PCI Function |
| 196 | pciOffset, // PCI Offset |
| 197 | data.data(), // PCI Read Data |
| 198 | &cc); // PECI Completion Code |
Jason M. Bills | 3b1665a | 2021-06-11 13:35:04 -0700 | [diff] [blame] | 199 | #endif |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 200 | } |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 201 | if (ret != PECI_CC_SUCCESS || cc != PECI_DEV_CC_SUCCESS) |
| 202 | { |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 203 | return resCode::resErr; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 204 | } |
| 205 | |
| 206 | // Now build the requested data into a single number |
| 207 | pciData = 0; |
| 208 | for (int i = mod; i < mod + size; i++) |
| 209 | { |
Jason M. Bills | e55832b | 2021-06-14 16:00:49 -0700 | [diff] [blame] | 210 | pciData |= static_cast<uint32_t>(data[i]) << 8 * (i - mod); |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 211 | } |
| 212 | |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 213 | return resCode::resOk; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 214 | } |
| 215 | |
Andrei Kartashev | 6f55203 | 2021-05-11 21:25:29 +0300 | [diff] [blame] | 216 | static resCode getStringFromData(const int& size, const uint32_t& data, |
| 217 | std::string& res) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 218 | { |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 219 | // And convert it to a string |
| 220 | std::stringstream dataStream; |
| 221 | dataStream << "0x" << std::hex << std::setfill('0') << std::setw(size * 2) |
| 222 | << data; |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 223 | res = dataStream.str(); |
| 224 | return resCode::resOk; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 225 | } |
| 226 | |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 227 | static resCode getVendorName(const int& clientAddr, const int& bus, |
| 228 | const int& dev, std::string& res) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 229 | { |
| 230 | static constexpr const int vendorIDOffset = 0x00; |
| 231 | static constexpr const int vendorIDSize = 2; |
| 232 | |
| 233 | // Get the header type register from function 0 |
| 234 | uint32_t vendorID = 0; |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 235 | if (getDataFromPCIeConfig(clientAddr, bus, dev, 0, vendorIDOffset, |
| 236 | vendorIDSize, vendorID) != resCode::resOk) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 237 | { |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 238 | return resCode::resErr; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 239 | } |
| 240 | // Get the vendor name or use Other if it doesn't exist |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 241 | res = pciVendors.try_emplace(vendorID, otherVendor).first->second; |
| 242 | return resCode::resOk; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 243 | } |
| 244 | |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 245 | static resCode getDeviceClass(const int& clientAddr, const int& bus, |
| 246 | const int& dev, const int& func, std::string& res) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 247 | { |
| 248 | static constexpr const int baseClassOffset = 0x0b; |
| 249 | static constexpr const int baseClassSize = 1; |
| 250 | |
| 251 | // Get the Device Base Class |
| 252 | uint32_t baseClass = 0; |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 253 | if (getDataFromPCIeConfig(clientAddr, bus, dev, func, baseClassOffset, |
| 254 | baseClassSize, baseClass) != resCode::resOk) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 255 | { |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 256 | return resCode::resErr; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 257 | } |
| 258 | // Get the base class name or use Other if it doesn't exist |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 259 | res = pciDeviceClasses.try_emplace(baseClass, otherClass).first->second; |
| 260 | return resCode::resOk; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 261 | } |
| 262 | |
Spencer Ku | bb5efe7 | 2021-09-02 16:11:14 +0800 | [diff] [blame] | 263 | static resCode getCapReading(const int& clientAddr, const int& bus, |
| 264 | const int& dev, uint32_t& capReading, |
| 265 | const int compareCapID, const int offsetAddress, |
| 266 | const int offsetLength) |
| 267 | { |
| 268 | resCode error; |
| 269 | uint32_t capAddress = 0; |
| 270 | uint32_t capabilityID; |
| 271 | uint32_t nextCapPointer = peci_pcie::pointToCapStruct; |
| 272 | |
| 273 | do |
| 274 | { |
| 275 | // Get capability address |
| 276 | error = getDataFromPCIeConfig(clientAddr, bus, dev, 0, nextCapPointer, |
| 277 | 1, capAddress); |
| 278 | if (error != resCode::resOk) |
| 279 | { |
| 280 | return error; |
| 281 | } |
| 282 | // Capability struct address is a pointer which point to next capability |
| 283 | // struct, so if capability struct address is 0 means it doesn't have |
| 284 | // next capability struct. |
| 285 | if (capAddress == 0) |
| 286 | { |
| 287 | return resCode::resSkip; |
| 288 | } |
| 289 | // Get capability ID |
| 290 | error = getDataFromPCIeConfig(clientAddr, bus, dev, 0, capAddress, 1, |
| 291 | capabilityID); |
| 292 | if (error != resCode::resOk) |
| 293 | { |
| 294 | return error; |
| 295 | } |
| 296 | nextCapPointer = capAddress + peci_pcie::capPointerOffset; |
| 297 | |
| 298 | } while (capabilityID != compareCapID); |
| 299 | // Get capability reading. |
| 300 | error = getDataFromPCIeConfig(clientAddr, bus, dev, 0, |
| 301 | capAddress + offsetAddress, offsetLength, |
| 302 | capReading); |
| 303 | if (error != resCode::resOk) |
| 304 | { |
| 305 | return error; |
| 306 | } |
| 307 | return resCode::resOk; |
| 308 | } |
| 309 | |
| 310 | static resCode getGenerationInUse(const int& clientAddr, const int& bus, |
| 311 | const int& dev, std::string& generationInUse) |
| 312 | { |
Willy Tu | 975faf7 | 2022-09-23 18:39:16 +0000 | [diff] [blame] | 313 | static std::unordered_set<uint32_t> linkSpeedSkipMap; |
Spencer Ku | bb5efe7 | 2021-09-02 16:11:14 +0800 | [diff] [blame] | 314 | resCode error; |
| 315 | std::string res; |
| 316 | uint32_t capReading = 0; |
| 317 | |
| 318 | // Capability ID 0x10(16) is PCI Express |
| 319 | constexpr int pcieCapID = 16; |
| 320 | constexpr int capLength = 2; |
| 321 | uint32_t linkStatus; |
| 322 | |
| 323 | error = getCapReading(clientAddr, bus, dev, linkStatus, pcieCapID, |
| 324 | peci_pcie::linkStatusOffset, capLength); |
| 325 | if (error != resCode::resOk) |
| 326 | { |
| 327 | return error; |
| 328 | } |
| 329 | |
| 330 | uint32_t linkSpeed = linkStatus & peci_pcie::maskOfCLS; |
| 331 | |
| 332 | switch (linkSpeed) |
| 333 | { |
| 334 | case peci_pcie::pcieGen1: |
| 335 | generationInUse = "xyz.openbmc_project.Inventory.Item." |
| 336 | "PCIeSlot.Generations.Gen1"; |
| 337 | error = resCode::resOk; |
| 338 | break; |
| 339 | case peci_pcie::pcieGen2: |
| 340 | generationInUse = "xyz.openbmc_project.Inventory.Item." |
| 341 | "PCIeSlot.Generations.Gen2"; |
| 342 | error = resCode::resOk; |
| 343 | break; |
| 344 | case peci_pcie::pcieGen3: |
| 345 | generationInUse = "xyz.openbmc_project.Inventory.Item." |
| 346 | "PCIeSlot.Generations.Gen3"; |
| 347 | error = resCode::resOk; |
| 348 | break; |
| 349 | case peci_pcie::pcieGen4: |
| 350 | generationInUse = "xyz.openbmc_project.Inventory.Item." |
| 351 | "PCIeSlot.Generations.Gen4"; |
| 352 | error = resCode::resOk; |
| 353 | break; |
| 354 | case peci_pcie::pcieGen5: |
| 355 | generationInUse = "xyz.openbmc_project.Inventory.Item." |
| 356 | "PCIeSlot.Generations.Gen5"; |
| 357 | error = resCode::resOk; |
| 358 | break; |
| 359 | default: |
Willy Tu | 975faf7 | 2022-09-23 18:39:16 +0000 | [diff] [blame] | 360 | if (!linkSpeedSkipMap.contains(linkSpeed)) |
| 361 | { |
| 362 | std::cerr << "Link speed : " << linkSpeed |
| 363 | << " can not mapping to PCIe type list.\n"; |
| 364 | linkSpeedSkipMap.emplace(linkSpeed); |
| 365 | } |
Spencer Ku | bb5efe7 | 2021-09-02 16:11:14 +0800 | [diff] [blame] | 366 | error = resCode::resSkip; |
| 367 | } |
| 368 | return error; |
| 369 | } |
| 370 | |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 371 | static resCode isMultiFunction(const int& clientAddr, const int& bus, |
| 372 | const int& dev, bool& res) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 373 | { |
| 374 | static constexpr const int headerTypeOffset = 0x0e; |
| 375 | static constexpr const int headerTypeSize = 1; |
| 376 | static constexpr const int multiFuncBit = 1 << 7; |
| 377 | |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 378 | res = false; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 379 | // Get the header type register from function 0 |
| 380 | uint32_t headerType = 0; |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 381 | if (getDataFromPCIeConfig(clientAddr, bus, dev, 0, headerTypeOffset, |
| 382 | headerTypeSize, headerType) != resCode::resOk) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 383 | { |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 384 | return resCode::resErr; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 385 | } |
| 386 | // Check if it's a multifunction device |
| 387 | if (headerType & multiFuncBit) |
| 388 | { |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 389 | res = true; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 390 | } |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 391 | return resCode::resOk; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 392 | } |
| 393 | |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 394 | static resCode pcieFunctionExists(const int& clientAddr, const int& bus, |
| 395 | const int& dev, const int& func, bool& res) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 396 | { |
| 397 | constexpr const int pciIDOffset = 0; |
| 398 | constexpr const int pciIDSize = 4; |
| 399 | uint32_t pciID = 0; |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 400 | res = false; |
| 401 | if (getDataFromPCIeConfig(clientAddr, bus, dev, func, pciIDOffset, |
| 402 | pciIDSize, pciID) != resCode::resOk) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 403 | { |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 404 | return resCode::resOk; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 405 | } |
| 406 | |
| 407 | // if VID and DID are all 0s or 1s, then the device doesn't exist |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 408 | if (pciID != 0x00000000 && pciID != 0xFFFFFFFF) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 409 | { |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 410 | res = true; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 411 | } |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 412 | return resCode::resOk; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 413 | } |
| 414 | |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 415 | static resCode pcieDeviceExists(const int& clientAddr, const int& bus, |
| 416 | const int& dev, bool& res) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 417 | { |
| 418 | // Check if this device exists by checking function 0 |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 419 | return pcieFunctionExists(clientAddr, bus, dev, 0, res); |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 420 | } |
| 421 | |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 422 | static resCode setPCIeProperty(const int& clientAddr, const int& bus, |
| 423 | const int& dev, const std::string& propertyName, |
| 424 | const std::string& propertyValue) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 425 | { |
| 426 | std::shared_ptr<sdbusplus::asio::dbus_interface> iface = |
| 427 | peci_pcie::pcieDeviceDBusMap[clientAddr][bus][dev]; |
| 428 | |
| 429 | if (iface->is_initialized()) |
| 430 | { |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 431 | if (!iface->set_property(propertyName, propertyValue)) |
| 432 | return resCode::resErr; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 433 | } |
| 434 | else |
| 435 | { |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 436 | if (!iface->register_property(propertyName, propertyValue)) |
| 437 | return resCode::resErr; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 438 | } |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 439 | return resCode::resOk; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 440 | } |
| 441 | |
| 442 | static void setDefaultPCIeFunctionProperties(const int& clientAddr, |
| 443 | const int& bus, const int& dev, |
| 444 | const int& func) |
| 445 | { |
| 446 | // Set the function-specific properties |
Andrei Kartashev | 6f55203 | 2021-05-11 21:25:29 +0300 | [diff] [blame] | 447 | for (const auto& [name, offset, size] : peci_pcie::pciConfigInfo) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 448 | { |
| 449 | setPCIeProperty(clientAddr, bus, dev, |
| 450 | "Function" + std::to_string(func) + std::string(name), |
| 451 | std::string()); |
| 452 | } |
| 453 | } |
| 454 | |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 455 | static resCode setPCIeFunctionProperties(const int& clientAddr, const int& bus, |
| 456 | const int& dev, const int& func) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 457 | { |
Andrei Kartashev | 6f55203 | 2021-05-11 21:25:29 +0300 | [diff] [blame] | 458 | uint32_t data = 0; |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 459 | std::string res; |
Andrei Kartashev | 6f55203 | 2021-05-11 21:25:29 +0300 | [diff] [blame] | 460 | resCode error; |
| 461 | |
| 462 | for (const auto& [name, offset, size] : peci_pcie::pciConfigInfo) |
| 463 | { |
| 464 | if (offset < 0) |
| 465 | { |
| 466 | continue; |
| 467 | } |
| 468 | |
| 469 | error = getDataFromPCIeConfig(clientAddr, bus, dev, func, offset, size, |
| 470 | data); |
| 471 | if (error != resCode::resOk) |
| 472 | { |
| 473 | return error; |
| 474 | } |
| 475 | getStringFromData(size, data, res); |
| 476 | setPCIeProperty(clientAddr, bus, dev, |
| 477 | "Function" + std::to_string(func) + std::string(name), |
| 478 | res); |
| 479 | } |
| 480 | |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 481 | // Set the function type always to physical for now |
| 482 | setPCIeProperty(clientAddr, bus, dev, |
| 483 | "Function" + std::to_string(func) + |
| 484 | std::string(peci_pcie::function::functionTypeName), |
| 485 | "Physical"); |
| 486 | |
| 487 | // Set the function Device Class |
Andrei Kartashev | 6f55203 | 2021-05-11 21:25:29 +0300 | [diff] [blame] | 488 | error = getDeviceClass(clientAddr, bus, dev, func, res); |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 489 | if (error != resCode::resOk) |
| 490 | { |
| 491 | return error; |
| 492 | } |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 493 | setPCIeProperty(clientAddr, bus, dev, |
| 494 | "Function" + std::to_string(func) + |
| 495 | std::string(peci_pcie::function::deviceClassName), |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 496 | res); |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 497 | return resCode::resOk; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 498 | } |
| 499 | |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 500 | static resCode setPCIeDeviceProperties(const int& clientAddr, const int& bus, |
| 501 | const int& dev) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 502 | { |
| 503 | // Set the device manufacturer |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 504 | std::string manuf; |
| 505 | resCode error = getVendorName(clientAddr, bus, dev, manuf); |
| 506 | if (error != resCode::resOk) |
| 507 | { |
| 508 | return error; |
| 509 | } |
| 510 | setPCIeProperty(clientAddr, bus, dev, "Manufacturer", manuf); |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 511 | |
| 512 | // Set the device type |
| 513 | constexpr char const* deviceTypeName = "DeviceType"; |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 514 | bool multiFunc; |
| 515 | error = isMultiFunction(clientAddr, bus, dev, multiFunc); |
| 516 | if (error != resCode::resOk) |
| 517 | { |
| 518 | return error; |
| 519 | } |
| 520 | if (multiFunc) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 521 | { |
| 522 | setPCIeProperty(clientAddr, bus, dev, deviceTypeName, "MultiFunction"); |
| 523 | } |
| 524 | else |
| 525 | { |
| 526 | setPCIeProperty(clientAddr, bus, dev, deviceTypeName, "SingleFunction"); |
| 527 | } |
Spencer Ku | bb5efe7 | 2021-09-02 16:11:14 +0800 | [diff] [blame] | 528 | |
| 529 | // Set PCIe Generation |
| 530 | constexpr char const* generationInUseName = "GenerationInUse"; |
| 531 | std::string generationInUse; |
| 532 | error = getGenerationInUse(clientAddr, bus, dev, generationInUse); |
| 533 | if (error == resCode::resErr) |
| 534 | { |
| 535 | return error; |
| 536 | } |
| 537 | // "resSkip" status means it can't get the capability reading, such like |
| 538 | // this device is not PCI Express. |
| 539 | if (error == resCode::resSkip) |
| 540 | { |
| 541 | setPCIeProperty(clientAddr, bus, dev, generationInUseName, ""); |
| 542 | return resCode::resOk; |
| 543 | } |
| 544 | setPCIeProperty(clientAddr, bus, dev, generationInUseName, generationInUse); |
| 545 | |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 546 | return resCode::resOk; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 547 | } |
| 548 | |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 549 | static resCode updatePCIeDevice(const int& clientAddr, const int& bus, |
| 550 | const int& dev) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 551 | { |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 552 | if (setPCIeDeviceProperties(clientAddr, bus, dev) != resCode::resOk) |
| 553 | { |
| 554 | return resCode::resErr; |
| 555 | } |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 556 | |
| 557 | // Walk through and populate the functions for this device |
| 558 | for (int func = 0; func < peci_pcie::maxPCIFunctions; func++) |
| 559 | { |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 560 | bool res; |
| 561 | resCode error = pcieFunctionExists(clientAddr, bus, dev, func, res); |
| 562 | if (error != resCode::resOk) |
| 563 | { |
| 564 | return error; |
| 565 | } |
| 566 | if (res) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 567 | { |
| 568 | // Set the properties for this function |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 569 | if (setPCIeFunctionProperties(clientAddr, bus, dev, func) != |
| 570 | resCode::resOk) |
| 571 | { |
| 572 | return resCode::resErr; |
| 573 | } |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 574 | } |
| 575 | else |
| 576 | { |
| 577 | // Set default properties for unused functions |
| 578 | setDefaultPCIeFunctionProperties(clientAddr, bus, dev, func); |
| 579 | } |
| 580 | } |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 581 | return resCode::resOk; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 582 | } |
| 583 | |
| 584 | static void removePCIeDevice(sdbusplus::asio::object_server& objServer, |
| 585 | const int& clientAddr, const int& bus, |
| 586 | const int& dev) |
| 587 | { |
| 588 | std::shared_ptr<sdbusplus::asio::dbus_interface> iface = |
| 589 | peci_pcie::pcieDeviceDBusMap[clientAddr][bus][dev]; |
| 590 | |
| 591 | objServer.remove_interface(iface); |
| 592 | |
| 593 | peci_pcie::pcieDeviceDBusMap[clientAddr][bus].erase(dev); |
| 594 | if (peci_pcie::pcieDeviceDBusMap[clientAddr][bus].empty()) |
| 595 | { |
| 596 | peci_pcie::pcieDeviceDBusMap[clientAddr].erase(bus); |
| 597 | } |
| 598 | if (peci_pcie::pcieDeviceDBusMap[clientAddr].empty()) |
| 599 | { |
| 600 | peci_pcie::pcieDeviceDBusMap.erase(clientAddr); |
| 601 | } |
| 602 | } |
| 603 | |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 604 | static resCode addPCIeDevice(sdbusplus::asio::object_server& objServer, |
| 605 | const int& clientAddr, const int& cpu, |
| 606 | const int& bus, const int& dev) |
| 607 | { |
| 608 | std::string pathName = std::string(peci_pcie::peciPCIePath) + "/S" + |
| 609 | std::to_string(cpu) + "B" + std::to_string(bus) + |
| 610 | "D" + std::to_string(dev); |
| 611 | std::shared_ptr<sdbusplus::asio::dbus_interface> iface = |
| 612 | objServer.add_interface(pathName, peci_pcie::peciPCIeDeviceInterface); |
| 613 | peci_pcie::pcieDeviceDBusMap[clientAddr][bus][dev] = iface; |
| 614 | |
| 615 | // Update the properties for the new device |
| 616 | if (updatePCIeDevice(clientAddr, bus, dev) != resCode::resOk) |
| 617 | { |
| 618 | removePCIeDevice(objServer, clientAddr, bus, dev); |
| 619 | return resCode::resErr; |
| 620 | } |
| 621 | |
| 622 | iface->initialize(); |
| 623 | return resCode::resOk; |
| 624 | } |
| 625 | |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 626 | static bool pcieDeviceInDBusMap(const int& clientAddr, const int& bus, |
| 627 | const int& dev) |
| 628 | { |
| 629 | if (auto clientAddrIt = peci_pcie::pcieDeviceDBusMap.find(clientAddr); |
| 630 | clientAddrIt != peci_pcie::pcieDeviceDBusMap.end()) |
| 631 | { |
| 632 | if (auto busIt = clientAddrIt->second.find(bus); |
| 633 | busIt != clientAddrIt->second.end()) |
| 634 | { |
| 635 | if (auto devIt = busIt->second.find(dev); |
| 636 | devIt != busIt->second.end()) |
| 637 | { |
| 638 | if (devIt->second) |
| 639 | { |
| 640 | return true; |
| 641 | } |
| 642 | } |
| 643 | } |
| 644 | } |
| 645 | return false; |
| 646 | } |
| 647 | |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 648 | static resCode probePCIeDevice(boost::asio::io_service& io, |
| 649 | sdbusplus::asio::object_server& objServer, |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 650 | size_t addr, int cpu, int bus, int dev) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 651 | { |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 652 | bool res; |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 653 | resCode error = pcieDeviceExists(addr, bus, dev, res); |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 654 | if (error != resCode::resOk) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 655 | { |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 656 | return error; |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 657 | } |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 658 | if (res) |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 659 | { |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 660 | if (pcieDeviceInDBusMap(addr, bus, dev)) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 661 | { |
| 662 | // This device is already in D-Bus, so update it |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 663 | if (updatePCIeDevice(addr, bus, dev) != resCode::resOk) |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 664 | { |
| 665 | return resCode::resErr; |
| 666 | } |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 667 | } |
| 668 | else |
| 669 | { |
| 670 | // This device is not in D-Bus, so add it |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 671 | if (addPCIeDevice(objServer, addr, cpu, bus, dev) != resCode::resOk) |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 672 | { |
| 673 | return resCode::resErr; |
| 674 | } |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 675 | } |
| 676 | } |
| 677 | else |
| 678 | { |
| 679 | // If PECI is not available, then stop scanning |
| 680 | if (!isPECIAvailable()) |
| 681 | { |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 682 | return resCode::resOk; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 683 | } |
| 684 | |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 685 | if (pcieDeviceInDBusMap(addr, bus, dev)) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 686 | { |
| 687 | // This device is in D-Bus, so remove it |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 688 | removePCIeDevice(objServer, addr, bus, dev); |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 689 | } |
| 690 | } |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 691 | return resCode::resOk; |
| 692 | } |
| 693 | |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 694 | static void scanNextPCIeDevice(boost::asio::io_service& io, |
| 695 | sdbusplus::asio::object_server& objServer, |
| 696 | std::vector<CPUInfo>& cpuInfo, int cpu, int bus, |
| 697 | int dev); |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 698 | static void scanPCIeDevice(boost::asio::io_service& io, |
| 699 | sdbusplus::asio::object_server& objServer, |
| 700 | std::vector<CPUInfo>& cpuInfo, int cpu, int bus, |
| 701 | int dev) |
| 702 | { |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 703 | if (cpu >= cpuInfo.size()) |
| 704 | { |
| 705 | std::cerr << "Request to scan CPU" << cpu |
| 706 | << " while CPU array has size " << cpuInfo.size() << "\n"; |
| 707 | return; |
| 708 | } |
| 709 | auto& info = cpuInfo[cpu]; |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 710 | // Check if this is a CPU bus that we should skip |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 711 | if (info.skipCpuBuses && info.cpuBusNums.count(bus)) |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 712 | { |
| 713 | std::cout << "Skipping CPU " << cpu << " Bus Number " << bus << "\n"; |
| 714 | // Skip all the devices on this bus |
| 715 | dev = peci_pcie::maxPCIDevices; |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 716 | } |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 717 | else |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 718 | { |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 719 | if (probePCIeDevice(io, objServer, info.addr, cpu, bus, dev) != |
| 720 | resCode::resOk) |
| 721 | { |
| 722 | std::cerr << "Failed to probe CPU " << cpu << " Bus " << bus |
| 723 | << " Device " << dev << "\n"; |
| 724 | } |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 725 | } |
| 726 | |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 727 | scanNextPCIeDevice(io, objServer, cpuInfo, cpu, bus, dev); |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 728 | return; |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 729 | } |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 730 | |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 731 | static void scanNextPCIeDevice(boost::asio::io_service& io, |
| 732 | sdbusplus::asio::object_server& objServer, |
| 733 | std::vector<CPUInfo>& cpuInfo, int cpu, int bus, |
| 734 | int dev) |
| 735 | { |
Jason M. Bills | ee6d80b | 2021-06-11 07:37:30 -0700 | [diff] [blame] | 736 | if (peci_pcie::abortScan) |
| 737 | { |
| 738 | std::cerr << "PCIe scan aborted\n"; |
| 739 | return; |
| 740 | } |
| 741 | |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 742 | // PCIe Device scan completed, so move to the next device |
| 743 | if (++dev >= peci_pcie::maxPCIDevices) |
| 744 | { |
| 745 | // All devices scanned, so move to the next bus |
| 746 | dev = 0; |
| 747 | if (++bus >= peci_pcie::maxPCIBuses) |
| 748 | { |
| 749 | // All buses scanned, so move to the next CPU |
| 750 | bus = 0; |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 751 | if (++cpu >= cpuInfo.size()) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 752 | { |
| 753 | // All CPUs scanned, so we're done |
Jason M. Bills | ee6d80b | 2021-06-11 07:37:30 -0700 | [diff] [blame] | 754 | std::cerr << "PCIe scan completed\n"; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 755 | return; |
| 756 | } |
| 757 | } |
| 758 | } |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 759 | boost::asio::post(io, [&io, &objServer, &cpuInfo, cpu, bus, dev]() mutable { |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 760 | scanPCIeDevice(io, objServer, cpuInfo, cpu, bus, dev); |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 761 | }); |
| 762 | } |
| 763 | |
| 764 | static void peciAvailableCheck(boost::asio::steady_timer& peciWaitTimer, |
| 765 | boost::asio::io_service& io, |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 766 | sdbusplus::asio::object_server& objServer, |
| 767 | std::vector<CPUInfo>& cpuInfo) |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 768 | { |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 769 | static bool lastPECIState = false; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 770 | bool peciAvailable = isPECIAvailable(); |
| 771 | if (peciAvailable && !lastPECIState) |
| 772 | { |
| 773 | lastPECIState = true; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 774 | static boost::asio::steady_timer pcieTimeout(io); |
| 775 | constexpr const int pcieWaitTime = 60; |
| 776 | pcieTimeout.expires_after(std::chrono::seconds(pcieWaitTime)); |
| 777 | pcieTimeout.async_wait( |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 778 | [&io, &objServer, &cpuInfo](const boost::system::error_code& ec) { |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 779 | if (ec) |
| 780 | { |
| 781 | // operation_aborted is expected if timer is canceled |
| 782 | // before completion. |
| 783 | if (ec != boost::asio::error::operation_aborted) |
| 784 | { |
| 785 | std::cerr << "PECI PCIe async_wait failed " << ec; |
| 786 | } |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 787 | lastPECIState = false; |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 788 | return; |
| 789 | } |
| 790 | // get the PECI client address list |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 791 | if (getCPUBusMap(cpuInfo) != resCode::resOk) |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 792 | { |
| 793 | lastPECIState = false; |
| 794 | return; |
| 795 | } |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 796 | // scan PCIe starting from CPU 0, Bus 0, Device 0 |
Jason M. Bills | ee6d80b | 2021-06-11 07:37:30 -0700 | [diff] [blame] | 797 | std::cerr << "PCIe scan started\n"; |
Jason M. Bills | 5d04973 | 2019-10-25 15:55:15 -0700 | [diff] [blame] | 798 | scanPCIeDevice(io, objServer, cpuInfo, 0, 0, 0); |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 799 | }); |
| 800 | } |
| 801 | else if (!peciAvailable && lastPECIState) |
| 802 | { |
| 803 | lastPECIState = false; |
| 804 | } |
| 805 | |
| 806 | peciWaitTimer.expires_after( |
| 807 | std::chrono::seconds(peci_pcie::peciCheckInterval)); |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 808 | peciWaitTimer.async_wait([&peciWaitTimer, &io, &objServer, |
| 809 | &cpuInfo](const boost::system::error_code& ec) { |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 810 | if (ec) |
| 811 | { |
| 812 | // operation_aborted is expected if timer is canceled |
| 813 | // before completion. |
| 814 | if (ec != boost::asio::error::operation_aborted) |
| 815 | { |
| 816 | std::cerr << "PECI Available Check async_wait failed " << ec; |
| 817 | } |
| 818 | return; |
| 819 | } |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 820 | peciAvailableCheck(peciWaitTimer, io, objServer, cpuInfo); |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 821 | }); |
| 822 | } |
| 823 | |
Jason M. Bills | ee6d80b | 2021-06-11 07:37:30 -0700 | [diff] [blame] | 824 | static void waitForOSStandbyDelay(boost::asio::io_service& io, |
| 825 | sdbusplus::asio::object_server& objServer, |
| 826 | boost::asio::steady_timer& osStandbyTimer, |
| 827 | std::vector<CPUInfo>& cpuInfo) |
| 828 | { |
| 829 | osStandbyTimer.expires_after( |
| 830 | std::chrono::seconds(peci_pcie::osStandbyDelaySeconds)); |
| 831 | |
| 832 | osStandbyTimer.async_wait( |
| 833 | [&io, &objServer, &cpuInfo](const boost::system::error_code& ec) { |
| 834 | if (ec == boost::asio::error::operation_aborted) |
| 835 | { |
| 836 | return; // we're being canceled |
| 837 | } |
| 838 | else if (ec) |
| 839 | { |
| 840 | std::cerr << "OS Standby async_wait failed: " << ec.value() |
| 841 | << ": " << ec.message() << "\n"; |
| 842 | return; |
| 843 | } |
| 844 | // get the PECI client address list |
Andrei Kartashev | 8e96603 | 2021-07-02 20:04:30 +0300 | [diff] [blame] | 845 | if (getCPUBusMap(cpuInfo) != resCode::resOk) |
Jason M. Bills | ee6d80b | 2021-06-11 07:37:30 -0700 | [diff] [blame] | 846 | { |
| 847 | return; |
| 848 | } |
| 849 | // scan PCIe starting from CPU 0, Bus 0, Device 0 |
| 850 | std::cerr << "PCIe scan started\n"; |
| 851 | scanPCIeDevice(io, objServer, cpuInfo, 0, 0, 0); |
| 852 | }); |
| 853 | } |
| 854 | |
| 855 | static void monitorOSStandby(boost::asio::io_service& io, |
| 856 | std::shared_ptr<sdbusplus::asio::connection> conn, |
| 857 | sdbusplus::asio::object_server& objServer, |
| 858 | boost::asio::steady_timer& osStandbyTimer, |
| 859 | std::vector<CPUInfo>& cpuInfo) |
| 860 | { |
| 861 | std::cerr << "Start OperatingSystemState Monitor\n"; |
| 862 | |
Patrick Williams | b251708 | 2022-07-22 19:26:57 -0500 | [diff] [blame] | 863 | static sdbusplus::bus::match_t osStateMatch( |
Jason M. Bills | ee6d80b | 2021-06-11 07:37:30 -0700 | [diff] [blame] | 864 | *conn, |
| 865 | "type='signal',interface='org.freedesktop.DBus.Properties',member='" |
| 866 | "PropertiesChanged',arg0='xyz.openbmc_project.State.OperatingSystem." |
| 867 | "Status'", |
| 868 | [&io, &objServer, &osStandbyTimer, |
Patrick Williams | b251708 | 2022-07-22 19:26:57 -0500 | [diff] [blame] | 869 | &cpuInfo](sdbusplus::message_t& msg) { |
Jason M. Bills | ee6d80b | 2021-06-11 07:37:30 -0700 | [diff] [blame] | 870 | // Get the OS State from the message |
| 871 | std::string osStateInterface; |
| 872 | boost::container::flat_map<std::string, std::variant<std::string>> |
| 873 | propertiesChanged; |
| 874 | msg.read(osStateInterface, propertiesChanged); |
| 875 | |
| 876 | for (const auto& [name, value] : propertiesChanged) |
| 877 | { |
| 878 | if (name == "OperatingSystemState") |
| 879 | { |
| 880 | const std::string* state = std::get_if<std::string>(&value); |
| 881 | if (state == nullptr) |
| 882 | { |
| 883 | std::cerr << "Unable to read OS state value\n"; |
| 884 | return; |
| 885 | } |
Andrei Kartashev | 328685e | 2021-12-27 17:24:18 +0300 | [diff] [blame] | 886 | // Note: Short version of OperatingSystemState value is |
| 887 | // deprecated and would be removed in the future |
| 888 | if ((*state == "Standby") || |
| 889 | (*state == "xyz.openbmc_project.State.OperatingSystem." |
| 890 | "Status.OSStatus.Standby")) |
Jason M. Bills | ee6d80b | 2021-06-11 07:37:30 -0700 | [diff] [blame] | 891 | { |
| 892 | peci_pcie::abortScan = false; |
| 893 | waitForOSStandbyDelay(io, objServer, osStandbyTimer, |
| 894 | cpuInfo); |
| 895 | } |
Andrei Kartashev | 328685e | 2021-12-27 17:24:18 +0300 | [diff] [blame] | 896 | else if ((*state == "Inactive") || |
| 897 | (*state == |
| 898 | "xyz.openbmc_project.State.OperatingSystem." |
| 899 | "Status.OSStatus.Inactive")) |
Jason M. Bills | ee6d80b | 2021-06-11 07:37:30 -0700 | [diff] [blame] | 900 | { |
| 901 | peci_pcie::abortScan = true; |
| 902 | osStandbyTimer.cancel(); |
| 903 | } |
| 904 | } |
| 905 | } |
| 906 | }); |
| 907 | |
| 908 | // Check if the OS state is already available |
| 909 | conn->async_method_call( |
| 910 | [&io, &objServer, &osStandbyTimer, |
| 911 | &cpuInfo](boost::system::error_code ec, |
| 912 | const std::variant<std::string>& property) { |
| 913 | if (ec) |
| 914 | { |
| 915 | std::cerr << "error with OS state async_method_call\n"; |
| 916 | return; |
| 917 | } |
| 918 | |
| 919 | const std::string* state = std::get_if<std::string>(&property); |
| 920 | if (state == nullptr) |
| 921 | { |
| 922 | std::cerr << "Unable to read OS state value\n"; |
| 923 | return; |
| 924 | } |
| 925 | |
| 926 | // If the OS state is in Standby, then BIOS is done and we can |
| 927 | // continue. Otherwise, we just wait for the match |
Andrei Kartashev | 328685e | 2021-12-27 17:24:18 +0300 | [diff] [blame] | 928 | // Note: Short version of OperatingSystemState value is deprecated |
| 929 | // and would be removed in the future |
| 930 | |
| 931 | if ((*state == "Standby") || |
| 932 | (*state == "xyz.openbmc_project.State.OperatingSystem.Status." |
| 933 | "OSStatus.Standby")) |
Jason M. Bills | ee6d80b | 2021-06-11 07:37:30 -0700 | [diff] [blame] | 934 | { |
| 935 | waitForOSStandbyDelay(io, objServer, osStandbyTimer, cpuInfo); |
| 936 | } |
| 937 | }, |
| 938 | "xyz.openbmc_project.State.OperatingSystem", |
| 939 | "/xyz/openbmc_project/state/os", "org.freedesktop.DBus.Properties", |
| 940 | "Get", "xyz.openbmc_project.State.OperatingSystem.Status", |
| 941 | "OperatingSystemState"); |
| 942 | } |
| 943 | |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 944 | int main(int argc, char* argv[]) |
| 945 | { |
| 946 | // setup connection to dbus |
| 947 | boost::asio::io_service io; |
| 948 | std::shared_ptr<sdbusplus::asio::connection> conn = |
| 949 | std::make_shared<sdbusplus::asio::connection>(io); |
| 950 | |
| 951 | // PECI PCIe Object |
| 952 | conn->request_name(peci_pcie::peciPCIeObject); |
| 953 | sdbusplus::asio::object_server server = |
| 954 | sdbusplus::asio::object_server(conn); |
| 955 | |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 956 | // CPU map |
| 957 | std::vector<CPUInfo> cpuInfo; |
| 958 | |
Jason M. Bills | ee6d80b | 2021-06-11 07:37:30 -0700 | [diff] [blame] | 959 | #ifdef WAIT_FOR_OS_STANDBY |
| 960 | boost::asio::steady_timer osStandbyTimer(io); |
| 961 | monitorOSStandby(io, conn, server, osStandbyTimer, cpuInfo); |
| 962 | #else |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 963 | // Start the PECI check loop |
| 964 | boost::asio::steady_timer peciWaitTimer( |
| 965 | io, std::chrono::seconds(peci_pcie::peciCheckInterval)); |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 966 | peciWaitTimer.async_wait([&peciWaitTimer, &io, &server, |
| 967 | &cpuInfo](const boost::system::error_code& ec) { |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 968 | if (ec) |
| 969 | { |
| 970 | // operation_aborted is expected if timer is canceled |
| 971 | // before completion. |
| 972 | if (ec != boost::asio::error::operation_aborted) |
| 973 | { |
| 974 | std::cerr << "PECI Available Check async_wait failed " << ec; |
| 975 | } |
| 976 | return; |
| 977 | } |
Andrei Kartashev | d570dfd | 2020-12-16 17:33:16 +0300 | [diff] [blame] | 978 | peciAvailableCheck(peciWaitTimer, io, server, cpuInfo); |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 979 | }); |
Jason M. Bills | ee6d80b | 2021-06-11 07:37:30 -0700 | [diff] [blame] | 980 | #endif |
Jason M. Bills | d1e4060 | 2019-05-09 11:43:51 -0700 | [diff] [blame] | 981 | |
| 982 | io.run(); |
| 983 | |
| 984 | return 0; |
| 985 | } |