blob: ed7e80e70e0ff950f12ac4817242df9869da392b [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
Pavithra Barithaya0f74c982020-04-27 02:17:10 -05006#include "dbus_impl_pdr.hpp"
Deepak Kodihalli4de4d002019-11-11 02:41:43 -06007#include "dbus_impl_requester.hpp"
Deepak Kodihalliac19bd62020-06-16 08:25:23 -05008#include "host-bmc/dbus_to_host_effecters.hpp"
9#include "host-bmc/host_pdr_handler.hpp"
Deepak Kodihallibc669f12019-11-28 08:52:07 -060010#include "invoker.hpp"
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050011#include "libpldmresponder/base.hpp"
12#include "libpldmresponder/bios.hpp"
Deepak Kodihallie60c5822019-10-23 03:26:15 -050013#include "libpldmresponder/fru.hpp"
Sampa Misraa2fa0702019-05-31 01:28:55 -050014#include "libpldmresponder/platform.hpp"
George Liu83409572019-12-24 18:42:54 +080015#include "utils.hpp"
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050016
17#include <err.h>
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +053018#include <getopt.h>
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050019#include <poll.h>
20#include <stdlib.h>
21#include <sys/socket.h>
22#include <sys/types.h>
23#include <sys/un.h>
24#include <unistd.h>
25
George Liu6492f522020-06-16 10:34:05 +080026#include <sdeventplus/event.hpp>
27#include <sdeventplus/source/io.hpp>
28
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050029#include <cstdio>
30#include <cstring>
Pavithra Barithaya51efaf82020-04-02 02:42:27 -050031#include <fstream>
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050032#include <iomanip>
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +053033#include <iostream>
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050034#include <iterator>
Deepak Kodihallic682fe22020-03-04 00:42:54 -060035#include <memory>
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050036#include <sstream>
Deepak Kodihallibc669f12019-11-28 08:52:07 -060037#include <stdexcept>
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +053038#include <string>
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050039#include <vector>
40
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050041#ifdef OEM_IBM
42#include "libpldmresponder/file_io.hpp"
43#endif
44
45constexpr uint8_t MCTP_MSG_TYPE_PLDM = 1;
46
Deepak Kodihallibc669f12019-11-28 08:52:07 -060047using namespace pldm::responder;
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050048using namespace pldm;
Deepak Kodihalli37998bf2019-11-11 04:06:53 -060049using namespace sdeventplus;
50using namespace sdeventplus::source;
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050051
Deepak Kodihalli4de4d002019-11-11 02:41:43 -060052static Response processRxMsg(const std::vector<uint8_t>& requestMsg,
Deepak Kodihallibc669f12019-11-28 08:52:07 -060053 Invoker& invoker, dbus_api::Requester& requester)
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050054{
55
56 Response response;
57 uint8_t eid = requestMsg[0];
58 uint8_t type = requestMsg[1];
59 pldm_header_info hdrFields{};
60 auto hdr = reinterpret_cast<const pldm_msg_hdr*>(
61 requestMsg.data() + sizeof(eid) + sizeof(type));
62 if (PLDM_SUCCESS != unpack_pldm_header(hdr, &hdrFields))
63 {
Sampa Misraaa8ae722019-12-12 03:20:40 -060064 std::cerr << "Empty PLDM request header \n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050065 }
66 else if (PLDM_RESPONSE != hdrFields.msg_type)
67 {
68 auto request = reinterpret_cast<const pldm_msg*>(hdr);
69 size_t requestLen = requestMsg.size() - sizeof(struct pldm_msg_hdr) -
70 sizeof(eid) - sizeof(type);
Deepak Kodihallibc669f12019-11-28 08:52:07 -060071 try
72 {
73 response = invoker.handle(hdrFields.pldm_type, hdrFields.command,
74 request, requestLen);
75 }
76 catch (const std::out_of_range& e)
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050077 {
78 uint8_t completion_code = PLDM_ERROR_UNSUPPORTED_PLDM_CMD;
79 response.resize(sizeof(pldm_msg_hdr));
80 auto responseHdr = reinterpret_cast<pldm_msg_hdr*>(response.data());
81 pldm_header_info header{};
82 header.msg_type = PLDM_RESPONSE;
83 header.instance = hdrFields.instance;
84 header.pldm_type = hdrFields.pldm_type;
85 header.command = hdrFields.command;
86 auto result = pack_pldm_header(&header, responseHdr);
87 if (PLDM_SUCCESS != result)
88 {
Sampa Misraaa8ae722019-12-12 03:20:40 -060089 std::cerr << "Failed adding response header \n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050090 }
91 response.insert(response.end(), completion_code);
92 }
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050093 }
Deepak Kodihalli4de4d002019-11-11 02:41:43 -060094 else
95 {
96 requester.markFree(eid, hdr->instance_id);
97 }
Jinu Joy Thomasf666db12019-05-29 05:22:31 -050098 return response;
99}
100
101void printBuffer(const std::vector<uint8_t>& buffer)
102{
103 std::ostringstream tempStream;
104 tempStream << "Buffer Data: ";
105 if (!buffer.empty())
106 {
107 for (int byte : buffer)
108 {
109 tempStream << std::setfill('0') << std::setw(2) << std::hex << byte
110 << " ";
111 }
112 }
Sampa Misraaa8ae722019-12-12 03:20:40 -0600113 std::cout << tempStream.str().c_str() << std::endl;
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500114}
115
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +0530116void optionUsage(void)
117{
118 std::cerr << "Usage: pldmd [options]\n";
119 std::cerr << "Options:\n";
120 std::cerr
121 << " --verbose=<0/1> 0 - Disable verbosity, 1 - Enable verbosity\n";
122 std::cerr << "Defaulted settings: --verbose=0 \n";
123}
124
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500125int main(int argc, char** argv)
126{
127
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +0530128 bool verbose = false;
129 static struct option long_options[] = {
130 {"verbose", required_argument, 0, 'v'}, {0, 0, 0, 0}};
131
132 auto argflag = getopt_long(argc, argv, "v:", long_options, nullptr);
133 switch (argflag)
134 {
135 case 'v':
136 switch (std::stoi(optarg))
137 {
138 case 0:
139 verbose = false;
140 break;
141 case 1:
142 verbose = true;
143 break;
144 default:
145 optionUsage();
146 break;
147 }
148 break;
149 default:
150 optionUsage();
151 break;
152 }
153
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500154 /* Create local socket. */
155 int returnCode = 0;
156 int sockfd = socket(AF_UNIX, SOCK_SEQPACKET, 0);
157 if (-1 == sockfd)
158 {
159 returnCode = -errno;
Sampa Misraaa8ae722019-12-12 03:20:40 -0600160 std::cerr << "Failed to create the socket, RC= " << returnCode << "\n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500161 exit(EXIT_FAILURE);
162 }
163
Pavithra Barithaya51efaf82020-04-02 02:42:27 -0500164 auto event = Event::get_default();
165 std::unique_ptr<pldm_pdr, decltype(&pldm_pdr_destroy)> pdrRepo(
166 pldm_pdr_init(), pldm_pdr_destroy);
167 std::unique_ptr<pldm_entity_association_tree,
168 decltype(&pldm_entity_association_tree_destroy)>
169 entityTree(pldm_entity_association_tree_init(),
170 pldm_entity_association_tree_destroy);
171 auto& bus = pldm::utils::DBusHandler::getBus();
172 dbus_api::Requester dbusImplReq(bus, "/xyz/openbmc_project/pldm");
173 std::unique_ptr<HostPDRHandler> hostPDRHandler;
174 auto hostEID = pldm::utils::readHostEID();
175 if (hostEID)
176 {
177 hostPDRHandler = std::make_unique<HostPDRHandler>(
Deepak Kodihalli87514cc2020-04-16 09:08:38 -0500178 sockfd, hostEID, event, pdrRepo.get(), entityTree.get(),
179 dbusImplReq);
Tom Joseph250c4752020-04-15 10:32:45 +0530180 DBusHandler dbusHandler;
181 pldm::host_effecters::HostEffecterParser hostEffecterParser(
182 &dbusImplReq, sockfd, pdrRepo.get(), &dbusHandler, HOST_JSONS_DIR,
183 verbose);
Pavithra Barithaya51efaf82020-04-02 02:42:27 -0500184 }
185
186 Invoker invoker{};
187 invoker.registerHandler(PLDM_BASE, std::make_unique<base::Handler>());
188 invoker.registerHandler(PLDM_BIOS, std::make_unique<bios::Handler>());
TOM JOSEPHd4d97a52020-03-23 14:36:34 +0530189 invoker.registerHandler(PLDM_PLATFORM,
190 std::make_unique<platform::Handler>(
191 PDR_JSONS_DIR, EVENTS_JSONS_DIR, pdrRepo.get(),
192 hostPDRHandler.get()));
Pavithra Barithaya51efaf82020-04-02 02:42:27 -0500193 invoker.registerHandler(
194 PLDM_FRU, std::make_unique<fru::Handler>(FRU_JSONS_DIR, pdrRepo.get(),
195 entityTree.get()));
196
197#ifdef OEM_IBM
198 invoker.registerHandler(PLDM_OEM, std::make_unique<oem_ibm::Handler>());
199#endif
200
George Liu83409572019-12-24 18:42:54 +0800201 pldm::utils::CustomFD socketFd(sockfd);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500202
203 struct sockaddr_un addr
George Liu6492f522020-06-16 10:34:05 +0800204 {};
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500205 addr.sun_family = AF_UNIX;
206 const char path[] = "\0mctp-mux";
207 memcpy(addr.sun_path, path, sizeof(path) - 1);
208 int result = connect(socketFd(), reinterpret_cast<struct sockaddr*>(&addr),
209 sizeof(path) + sizeof(addr.sun_family) - 1);
210 if (-1 == result)
211 {
212 returnCode = -errno;
Sampa Misraaa8ae722019-12-12 03:20:40 -0600213 std::cerr << "Failed to connect to the socket, RC= " << returnCode
214 << "\n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500215 exit(EXIT_FAILURE);
216 }
217
218 result = write(socketFd(), &MCTP_MSG_TYPE_PLDM, sizeof(MCTP_MSG_TYPE_PLDM));
219 if (-1 == result)
220 {
221 returnCode = -errno;
Sampa Misraaa8ae722019-12-12 03:20:40 -0600222 std::cerr << "Failed to send message type as pldm to mctp, RC= "
223 << returnCode << "\n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500224 exit(EXIT_FAILURE);
225 }
226
Pavithra Barithaya0f74c982020-04-27 02:17:10 -0500227 dbus_api::Pdr dbusImplPdr(bus, "/xyz/openbmc_project/pldm", pdrRepo.get());
Deepak Kodihallibc669f12019-11-28 08:52:07 -0600228 auto callback = [verbose, &invoker, &dbusImplReq](IO& /*io*/, int fd,
229 uint32_t revents) {
Deepak Kodihalli37998bf2019-11-11 04:06:53 -0600230 if (!(revents & EPOLLIN))
231 {
232 return;
233 }
234
235 // Outgoing message.
236 struct iovec iov[2]{};
237
238 // This structure contains the parameter information for the response
239 // message.
240 struct msghdr msg
George Liu6492f522020-06-16 10:34:05 +0800241 {};
Deepak Kodihalli37998bf2019-11-11 04:06:53 -0600242
243 int returnCode = 0;
244 ssize_t peekedLength = recv(fd, nullptr, 0, MSG_PEEK | MSG_TRUNC);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500245 if (0 == peekedLength)
246 {
Sampa Misraaa8ae722019-12-12 03:20:40 -0600247 std::cerr << "Socket has been closed \n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500248 }
249 else if (peekedLength <= -1)
250 {
251 returnCode = -errno;
Sampa Misraaa8ae722019-12-12 03:20:40 -0600252 std::cerr << "recv system call failed, RC= " << returnCode << "\n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500253 }
254 else
255 {
256 std::vector<uint8_t> requestMsg(peekedLength);
257 auto recvDataLength = recv(
Deepak Kodihalli37998bf2019-11-11 04:06:53 -0600258 fd, static_cast<void*>(requestMsg.data()), peekedLength, 0);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500259 if (recvDataLength == peekedLength)
260 {
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +0530261 if (verbose)
262 {
Sampa Misraaa8ae722019-12-12 03:20:40 -0600263 std::cout << "Received Msg" << std::endl;
Jinu Joy Thomas75dd4422019-07-22 12:47:12 +0530264 printBuffer(requestMsg);
265 }
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500266 if (MCTP_MSG_TYPE_PLDM != requestMsg[1])
267 {
268 // Skip this message and continue.
Sampa Misraaa8ae722019-12-12 03:20:40 -0600269 std::cerr << "Encountered Non-PLDM type message"
270 << "\n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500271 }
272 else
273 {
274 // process message and send response
Deepak Kodihallibc669f12019-11-28 08:52:07 -0600275 auto response =
276 processRxMsg(requestMsg, invoker, dbusImplReq);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500277 if (!response.empty())
278 {
Deepak Kodihalli8ffbbe02019-08-14 06:51:38 -0500279 if (verbose)
280 {
Sampa Misraaa8ae722019-12-12 03:20:40 -0600281 std::cout << "Sending Msg" << std::endl;
Deepak Kodihalli8ffbbe02019-08-14 06:51:38 -0500282 printBuffer(response);
283 }
284
Zahed Hossain09a96e02019-08-06 07:42:37 -0500285 iov[0].iov_base = &requestMsg[0];
286 iov[0].iov_len =
287 sizeof(requestMsg[0]) + sizeof(requestMsg[1]);
288 iov[1].iov_base = response.data();
289 iov[1].iov_len = response.size();
290
291 msg.msg_iov = iov;
292 msg.msg_iovlen = sizeof(iov) / sizeof(iov[0]);
293
Deepak Kodihalli37998bf2019-11-11 04:06:53 -0600294 int result = sendmsg(fd, &msg, 0);
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500295 if (-1 == result)
296 {
297 returnCode = -errno;
Sampa Misraaa8ae722019-12-12 03:20:40 -0600298 std::cerr << "sendto system call failed, RC= "
299 << returnCode << "\n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500300 }
301 }
302 }
303 }
304 else
305 {
Sampa Misraaa8ae722019-12-12 03:20:40 -0600306 std::cerr
307 << "Failure to read peeked length packet. peekedLength= "
308 << peekedLength << " recvDataLength=" << recvDataLength
309 << "\n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500310 }
311 }
Deepak Kodihalli37998bf2019-11-11 04:06:53 -0600312 };
313
Deepak Kodihalli4de4d002019-11-11 02:41:43 -0600314 bus.attach_event(event.get(), SD_EVENT_PRIORITY_NORMAL);
315 bus.request_name("xyz.openbmc_project.PLDM");
Deepak Kodihalli37998bf2019-11-11 04:06:53 -0600316 IO io(event, socketFd(), EPOLLIN, std::move(callback));
317 event.loop();
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500318
319 result = shutdown(sockfd, SHUT_RDWR);
320 if (-1 == result)
321 {
322 returnCode = -errno;
Sampa Misraaa8ae722019-12-12 03:20:40 -0600323 std::cerr << "Failed to shutdown the socket, RC=" << returnCode << "\n";
Jinu Joy Thomasf666db12019-05-29 05:22:31 -0500324 exit(EXIT_FAILURE);
325 }
326 exit(EXIT_FAILURE);
327}