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