blob: 3fedbd21ca63450e38ecfd484c890e62229167ea [file] [log] [blame]
George Liu6492f522020-06-16 10:34:05 +08001#include "libpldm/base.h"
2#include "libpldm/bios.h"
3#include "libpldm/pdr.h"
4#include "libpldm/platform.h"
5
Deepak Kodihallid130e1a2020-06-17 05:55:32 -05006#include "common/utils.hpp"
Pavithra Barithaya0f74c982020-04-27 02:17:10 -05007#include "dbus_impl_pdr.hpp"
Deepak Kodihalli4de4d002019-11-11 02:41:43 -06008#include "dbus_impl_requester.hpp"
George Liucae18662020-05-15 09:32:57 +08009#include "host-bmc/dbus_to_event_handler.hpp"
Deepak Kodihalliac19bd62020-06-16 08:25:23 -050010#include "host-bmc/dbus_to_host_effecters.hpp"
11#include "host-bmc/host_pdr_handler.hpp"
Deepak Kodihallibc669f12019-11-28 08:52:07 -060012#include "invoker.hpp"
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050013#include "libpldmresponder/base.hpp"
14#include "libpldmresponder/bios.hpp"
Deepak Kodihallie60c5822019-10-23 03:26:15 -050015#include "libpldmresponder/fru.hpp"
Sampa Misraaea5dde2020-08-31 08:33:47 -050016#include "libpldmresponder/oem_handler.hpp"
Sampa Misraa2fa0702019-05-31 01:28:55 -050017#include "libpldmresponder/platform.hpp"
Chicago Duan174665f2020-07-08 17:41:05 +080018#include "xyz/openbmc_project/PLDM/Event/server.hpp"
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050019
20#include <err.h>
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +053021#include <getopt.h>
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050022#include <poll.h>
23#include <stdlib.h>
24#include <sys/socket.h>
25#include <sys/types.h>
26#include <sys/un.h>
27#include <unistd.h>
28
George Liu6492f522020-06-16 10:34:05 +080029#include <sdeventplus/event.hpp>
30#include <sdeventplus/source/io.hpp>
31
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050032#include <cstdio>
33#include <cstring>
Pavithra Barithaya51efaf82020-04-02 02:42:27 -050034#include <fstream>
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050035#include <iomanip>
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +053036#include <iostream>
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050037#include <iterator>
Deepak Kodihallic682fe22020-03-04 00:42:54 -060038#include <memory>
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050039#include <sstream>
Deepak Kodihallibc669f12019-11-28 08:52:07 -060040#include <stdexcept>
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +053041#include <string>
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050042#include <vector>
43
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050044#ifdef OEM_IBM
45#include "libpldmresponder/file_io.hpp"
Sampa Misraaea5dde2020-08-31 08:33:47 -050046#include "libpldmresponder/oem_ibm_handler.hpp"
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050047#endif
48
49constexpr uint8_t MCTP_MSG_TYPE_PLDM = 1;
50
Deepak Kodihallibc669f12019-11-28 08:52:07 -060051using namespace pldm::responder;
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050052using namespace pldm;
Deepak Kodihalli37998bf2019-11-11 04:06:53 -060053using namespace sdeventplus;
54using namespace sdeventplus::source;
George Liucae18662020-05-15 09:32:57 +080055using namespace pldm::state_sensor;
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050056
Deepak Kodihalli4de4d002019-11-11 02:41:43 -060057static Response processRxMsg(const std::vector<uint8_t>& requestMsg,
Deepak Kodihallibc669f12019-11-28 08:52:07 -060058 Invoker& invoker, dbus_api::Requester& requester)
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050059{
60
61 Response response;
62 uint8_t eid = requestMsg[0];
63 uint8_t type = requestMsg[1];
64 pldm_header_info hdrFields{};
65 auto hdr = reinterpret_cast<const pldm_msg_hdr*>(
66 requestMsg.data() + sizeof(eid) + sizeof(type));
67 if (PLDM_SUCCESS != unpack_pldm_header(hdr, &hdrFields))
68 {
Sampa Misraaa8ae722019-12-12 03:20:40 -060069 std::cerr << "Empty PLDM request header \n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050070 }
71 else if (PLDM_RESPONSE != hdrFields.msg_type)
72 {
73 auto request = reinterpret_cast<const pldm_msg*>(hdr);
74 size_t requestLen = requestMsg.size() - sizeof(struct pldm_msg_hdr) -
75 sizeof(eid) - sizeof(type);
Deepak Kodihallibc669f12019-11-28 08:52:07 -060076 try
77 {
78 response = invoker.handle(hdrFields.pldm_type, hdrFields.command,
79 request, requestLen);
80 }
81 catch (const std::out_of_range& e)
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050082 {
83 uint8_t completion_code = PLDM_ERROR_UNSUPPORTED_PLDM_CMD;
84 response.resize(sizeof(pldm_msg_hdr));
85 auto responseHdr = reinterpret_cast<pldm_msg_hdr*>(response.data());
86 pldm_header_info header{};
87 header.msg_type = PLDM_RESPONSE;
88 header.instance = hdrFields.instance;
89 header.pldm_type = hdrFields.pldm_type;
90 header.command = hdrFields.command;
91 auto result = pack_pldm_header(&header, responseHdr);
92 if (PLDM_SUCCESS != result)
93 {
Sampa Misraaa8ae722019-12-12 03:20:40 -060094 std::cerr << "Failed adding response header \n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050095 }
96 response.insert(response.end(), completion_code);
97 }
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050098 }
Deepak Kodihalli4de4d002019-11-11 02:41:43 -060099 else
100 {
101 requester.markFree(eid, hdr->instance_id);
102 }
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500103 return response;
104}
105
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +0530106void optionUsage(void)
107{
108 std::cerr << "Usage: pldmd [options]\n";
109 std::cerr << "Options:\n";
110 std::cerr
111 << " --verbose=<0/1> 0 - Disable verbosity, 1 - Enable verbosity\n";
112 std::cerr << "Defaulted settings: --verbose=0 \n";
113}
114
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500115int main(int argc, char** argv)
116{
117
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +0530118 bool verbose = false;
119 static struct option long_options[] = {
120 {"verbose", required_argument, 0, 'v'}, {0, 0, 0, 0}};
121
122 auto argflag = getopt_long(argc, argv, "v:", long_options, nullptr);
123 switch (argflag)
124 {
125 case 'v':
126 switch (std::stoi(optarg))
127 {
128 case 0:
129 verbose = false;
130 break;
131 case 1:
132 verbose = true;
133 break;
134 default:
135 optionUsage();
136 break;
137 }
138 break;
139 default:
140 optionUsage();
141 break;
142 }
143
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500144 /* Create local socket. */
145 int returnCode = 0;
146 int sockfd = socket(AF_UNIX, SOCK_SEQPACKET, 0);
147 if (-1 == sockfd)
148 {
149 returnCode = -errno;
Sampa Misraaa8ae722019-12-12 03:20:40 -0600150 std::cerr << "Failed to create the socket, RC= " << returnCode << "\n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500151 exit(EXIT_FAILURE);
152 }
153
Pavithra Barithaya51efaf82020-04-02 02:42:27 -0500154 auto event = Event::get_default();
155 std::unique_ptr<pldm_pdr, decltype(&pldm_pdr_destroy)> pdrRepo(
156 pldm_pdr_init(), pldm_pdr_destroy);
157 std::unique_ptr<pldm_entity_association_tree,
158 decltype(&pldm_entity_association_tree_destroy)>
159 entityTree(pldm_entity_association_tree_init(),
160 pldm_entity_association_tree_destroy);
161 auto& bus = pldm::utils::DBusHandler::getBus();
162 dbus_api::Requester dbusImplReq(bus, "/xyz/openbmc_project/pldm");
163 std::unique_ptr<HostPDRHandler> hostPDRHandler;
Sampa Misrac0c60542020-07-01 02:34:25 -0500164 std::unique_ptr<pldm::host_effecters::HostEffecterParser>
165 hostEffecterParser;
George Liucae18662020-05-15 09:32:57 +0800166 std::unique_ptr<DbusToPLDMEvent> dbusToPLDMEventHandler;
Deepak Kodihallib5c227e2020-07-13 06:58:34 -0500167 auto dbusHandler = std::make_unique<DBusHandler>();
Pavithra Barithaya51efaf82020-04-02 02:42:27 -0500168 auto hostEID = pldm::utils::readHostEID();
169 if (hostEID)
170 {
171 hostPDRHandler = std::make_unique<HostPDRHandler>(
Pavithra Barithaya3aec9972020-12-14 01:55:44 -0600172 sockfd, hostEID, event, pdrRepo.get(), EVENTS_JSONS_DIR,
Sridevi Rameshae28bc72020-12-10 07:21:16 -0600173 entityTree.get(), dbusImplReq, verbose);
Sampa Misrac0c60542020-07-01 02:34:25 -0500174 hostEffecterParser =
175 std::make_unique<pldm::host_effecters::HostEffecterParser>(
Deepak Kodihallib5c227e2020-07-13 06:58:34 -0500176 &dbusImplReq, sockfd, pdrRepo.get(), dbusHandler.get(),
Sampa Misrac0c60542020-07-01 02:34:25 -0500177 HOST_JSONS_DIR, verbose);
George Liucae18662020-05-15 09:32:57 +0800178 dbusToPLDMEventHandler =
179 std::make_unique<DbusToPLDMEvent>(sockfd, hostEID, dbusImplReq);
Pavithra Barithaya51efaf82020-04-02 02:42:27 -0500180 }
181
182 Invoker invoker{};
Sampa Misraaea5dde2020-08-31 08:33:47 -0500183 std::unique_ptr<oem_platform::Handler> oemPlatformHandler{};
184
185#ifdef OEM_IBM
186 std::unique_ptr<pldm::responder::CodeUpdate> codeUpdate =
187 std::make_unique<pldm::responder::CodeUpdate>(dbusHandler.get());
Varsha Kaverappa3ca29df2020-09-27 12:39:22 -0500188 codeUpdate->clearDirPath(LID_STAGING_DIR);
Sampa Misraaea5dde2020-08-31 08:33:47 -0500189 oemPlatformHandler = std::make_unique<oem_ibm_platform::Handler>(
Sampa Misra3a0e3b92020-10-21 05:58:00 -0500190 dbusHandler.get(), codeUpdate.get(), sockfd, hostEID, dbusImplReq,
191 event);
Sampa Misraaea5dde2020-08-31 08:33:47 -0500192 codeUpdate->setOemPlatformHandler(oemPlatformHandler.get());
193 invoker.registerHandler(
Jayashankar Padathdb124362021-01-28 21:12:34 -0600194 PLDM_OEM, std::make_unique<oem_ibm::Handler>(
195 oemPlatformHandler.get(), sockfd, hostEID, &dbusImplReq));
Sampa Misraaea5dde2020-08-31 08:33:47 -0500196#endif
Pavithra Barithaya51efaf82020-04-02 02:42:27 -0500197 invoker.registerHandler(PLDM_BASE, std::make_unique<base::Handler>());
Tom Joseph7f839f92020-09-21 10:20:44 +0530198 invoker.registerHandler(PLDM_BIOS, std::make_unique<bios::Handler>(
199 sockfd, hostEID, &dbusImplReq));
Tom Joseph33e9c7e2020-06-11 22:09:52 +0530200 auto fruHandler = std::make_unique<fru::Handler>(
201 FRU_JSONS_DIR, pdrRepo.get(), entityTree.get());
202 // FRU table is built lazily when a FRU command or Get PDR command is
203 // handled. To enable building FRU table, the FRU handler is passed to the
204 // Platform handler.
Sampa Misraaea5dde2020-08-31 08:33:47 -0500205 auto platformHandler = std::make_unique<platform::Handler>(
206 dbusHandler.get(), PDR_JSONS_DIR, pdrRepo.get(), hostPDRHandler.get(),
207 dbusToPLDMEventHandler.get(), fruHandler.get(),
208 oemPlatformHandler.get(), true);
Pavithra Barithaya51efaf82020-04-02 02:42:27 -0500209#ifdef OEM_IBM
Sampa Misraaea5dde2020-08-31 08:33:47 -0500210 pldm::responder::oem_ibm_platform::Handler* oemIbmPlatformHandler =
211 dynamic_cast<pldm::responder::oem_ibm_platform::Handler*>(
212 oemPlatformHandler.get());
213 oemIbmPlatformHandler->setPlatformHandler(platformHandler.get());
Pavithra Barithaya51efaf82020-04-02 02:42:27 -0500214#endif
215
Sampa Misraaea5dde2020-08-31 08:33:47 -0500216 invoker.registerHandler(PLDM_PLATFORM, std::move(platformHandler));
217 invoker.registerHandler(PLDM_FRU, std::move(fruHandler));
218
George Liu83409572019-12-24 18:42:54 +0800219 pldm::utils::CustomFD socketFd(sockfd);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500220
221 struct sockaddr_un addr
George Liu6492f522020-06-16 10:34:05 +0800222 {};
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500223 addr.sun_family = AF_UNIX;
224 const char path[] = "\0mctp-mux";
225 memcpy(addr.sun_path, path, sizeof(path) - 1);
226 int result = connect(socketFd(), reinterpret_cast<struct sockaddr*>(&addr),
227 sizeof(path) + sizeof(addr.sun_family) - 1);
228 if (-1 == result)
229 {
230 returnCode = -errno;
Sampa Misraaa8ae722019-12-12 03:20:40 -0600231 std::cerr << "Failed to connect to the socket, RC= " << returnCode
232 << "\n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500233 exit(EXIT_FAILURE);
234 }
235
236 result = write(socketFd(), &MCTP_MSG_TYPE_PLDM, sizeof(MCTP_MSG_TYPE_PLDM));
237 if (-1 == result)
238 {
239 returnCode = -errno;
Sampa Misraaa8ae722019-12-12 03:20:40 -0600240 std::cerr << "Failed to send message type as pldm to mctp, RC= "
241 << returnCode << "\n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500242 exit(EXIT_FAILURE);
243 }
244
Pavithra Barithaya0f74c982020-04-27 02:17:10 -0500245 dbus_api::Pdr dbusImplPdr(bus, "/xyz/openbmc_project/pldm", pdrRepo.get());
Chicago Duan174665f2020-07-08 17:41:05 +0800246 sdbusplus::xyz::openbmc_project::PLDM::server::Event dbusImplEvent(
247 bus, "/xyz/openbmc_project/pldm");
Deepak Kodihalli23c52042020-09-01 03:04:32 -0500248 auto callback = [verbose, &invoker, &dbusImplReq](IO& io, int fd,
Deepak Kodihallibc669f12019-11-28 08:52:07 -0600249 uint32_t revents) {
Deepak Kodihalli37998bf2019-11-11 04:06:53 -0600250 if (!(revents & EPOLLIN))
251 {
252 return;
253 }
254
255 // Outgoing message.
256 struct iovec iov[2]{};
257
258 // This structure contains the parameter information for the response
259 // message.
260 struct msghdr msg
George Liu6492f522020-06-16 10:34:05 +0800261 {};
Deepak Kodihalli37998bf2019-11-11 04:06:53 -0600262
263 int returnCode = 0;
264 ssize_t peekedLength = recv(fd, nullptr, 0, MSG_PEEK | MSG_TRUNC);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500265 if (0 == peekedLength)
266 {
Deepak Kodihalli23c52042020-09-01 03:04:32 -0500267 // MCTP daemon has closed the socket this daemon is connected to.
268 // This may or may not be an error scenario, in either case the
269 // recovery mechanism for this daemon is to restart, and hence exit
270 // the event loop, that will cause this daemon to exit with a
271 // failure code.
272 io.get_event().exit(0);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500273 }
274 else if (peekedLength <= -1)
275 {
276 returnCode = -errno;
Sampa Misraaa8ae722019-12-12 03:20:40 -0600277 std::cerr << "recv system call failed, RC= " << returnCode << "\n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500278 }
279 else
280 {
281 std::vector<uint8_t> requestMsg(peekedLength);
282 auto recvDataLength = recv(
Deepak Kodihalli37998bf2019-11-11 04:06:53 -0600283 fd, static_cast<void*>(requestMsg.data()), peekedLength, 0);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500284 if (recvDataLength == peekedLength)
285 {
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +0530286 if (verbose)
287 {
Sampa Misraaa8ae722019-12-12 03:20:40 -0600288 std::cout << "Received Msg" << std::endl;
Sridevi Rameshae28bc72020-12-10 07:21:16 -0600289 printBuffer(requestMsg, verbose);
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +0530290 }
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500291 if (MCTP_MSG_TYPE_PLDM != requestMsg[1])
292 {
293 // Skip this message and continue.
Sampa Misraaa8ae722019-12-12 03:20:40 -0600294 std::cerr << "Encountered Non-PLDM type message"
295 << "\n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500296 }
297 else
298 {
299 // process message and send response
Deepak Kodihallibc669f12019-11-28 08:52:07 -0600300 auto response =
301 processRxMsg(requestMsg, invoker, dbusImplReq);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500302 if (!response.empty())
303 {
Deepak Kodihalli8ffbbe02019-08-14 06:51:38 -0500304 if (verbose)
305 {
Sampa Misraaa8ae722019-12-12 03:20:40 -0600306 std::cout << "Sending Msg" << std::endl;
Sridevi Rameshae28bc72020-12-10 07:21:16 -0600307 printBuffer(response, verbose);
Deepak Kodihalli8ffbbe02019-08-14 06:51:38 -0500308 }
309
Zahed Hossain09a96e02019-08-06 07:42:37 -0500310 iov[0].iov_base = &requestMsg[0];
311 iov[0].iov_len =
312 sizeof(requestMsg[0]) + sizeof(requestMsg[1]);
313 iov[1].iov_base = response.data();
314 iov[1].iov_len = response.size();
315
316 msg.msg_iov = iov;
317 msg.msg_iovlen = sizeof(iov) / sizeof(iov[0]);
318
Deepak Kodihalli37998bf2019-11-11 04:06:53 -0600319 int result = sendmsg(fd, &msg, 0);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500320 if (-1 == result)
321 {
322 returnCode = -errno;
Sampa Misraaa8ae722019-12-12 03:20:40 -0600323 std::cerr << "sendto system call failed, RC= "
324 << returnCode << "\n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500325 }
326 }
327 }
328 }
329 else
330 {
Sampa Misraaa8ae722019-12-12 03:20:40 -0600331 std::cerr
332 << "Failure to read peeked length packet. peekedLength= "
333 << peekedLength << " recvDataLength=" << recvDataLength
334 << "\n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500335 }
336 }
Deepak Kodihalli37998bf2019-11-11 04:06:53 -0600337 };
338
Deepak Kodihalli4de4d002019-11-11 02:41:43 -0600339 bus.attach_event(event.get(), SD_EVENT_PRIORITY_NORMAL);
340 bus.request_name("xyz.openbmc_project.PLDM");
Deepak Kodihalli37998bf2019-11-11 04:06:53 -0600341 IO io(event, socketFd(), EPOLLIN, std::move(callback));
342 event.loop();
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500343
344 result = shutdown(sockfd, SHUT_RDWR);
345 if (-1 == result)
346 {
347 returnCode = -errno;
Sampa Misraaa8ae722019-12-12 03:20:40 -0600348 std::cerr << "Failed to shutdown the socket, RC=" << returnCode << "\n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500349 exit(EXIT_FAILURE);
350 }
351 exit(EXIT_FAILURE);
352}