1 #include "systemintfcmds.h" 2 #include "host-ipmid/ipmid-api.h" 3 #include "config.h" 4 #include "host-interface.hpp" 5 6 #include <stdio.h> 7 #include <mapper.h> 8 9 void register_netfn_app_functions() __attribute__((constructor)); 10 11 using namespace sdbusplus::xyz::openbmc_project::Control::server; 12 13 // Internal function to get next host command 14 Host::Command getNextHostCmd(); 15 16 // Notify SofPowerOff application that host is responding to command 17 void notifySoftOff() 18 { 19 20 constexpr auto iface = "org.freedesktop.DBus.Properties"; 21 constexpr auto soft_off_iface = "xyz.openbmc_project.Ipmi.Internal." 22 "SoftPowerOff"; 23 24 constexpr auto property = "ResponseReceived"; 25 constexpr auto value = "xyz.openbmc_project.Ipmi.Internal." 26 "SoftPowerOff.HostResponse.SoftOffReceived"; 27 char *busname = nullptr; 28 29 // Get the system bus where most system services are provided. 30 auto bus = ipmid_get_sd_bus_connection(); 31 32 // Nudge the SoftPowerOff application that it needs to stop the 33 // initial watchdog timer. If we have some errors talking to Soft Off 34 // object, get going and do our regular job 35 mapper_get_service(bus, SOFTOFF_OBJPATH, &busname); 36 if (busname) 37 { 38 // No error object or reply expected. 39 auto r = sd_bus_call_method(bus, busname, SOFTOFF_OBJPATH, iface, 40 "Set", nullptr, nullptr, "ssv", 41 soft_off_iface, property, "s", value); 42 if (r < 0) 43 { 44 fprintf(stderr, "Failed to set property in SoftPowerOff object: %s\n", 45 strerror(-r)); 46 } 47 free (busname); 48 } 49 else 50 { 51 printf("Soft Power Off object is not available. Ignoring watchdog \ 52 refresh"); 53 } 54 } 55 56 //------------------------------------------------------------------- 57 // Called by Host post response from Get_Message_Flags 58 //------------------------------------------------------------------- 59 ipmi_ret_t ipmi_app_read_event(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 60 ipmi_request_t request, ipmi_response_t response, 61 ipmi_data_len_t data_len, ipmi_context_t context) 62 { 63 ipmi_ret_t rc = IPMI_CC_OK; 64 65 printf("IPMI APP READ EVENT command received\n"); 66 67 struct oem_sel_timestamped oem_sel = {0}; 68 *data_len = sizeof(struct oem_sel_timestamped); 69 70 // either id[0] -or- id[1] can be filled in. We will use id[0] 71 oem_sel.id[0] = SEL_OEM_ID_0; 72 oem_sel.id[1] = SEL_OEM_ID_0; 73 oem_sel.type = SEL_RECORD_TYPE_OEM; 74 75 // Following 3 bytes are from IANA Manufactre_Id field. See below 76 oem_sel.manuf_id[0]= 0x41; 77 oem_sel.manuf_id[1]= 0xA7; 78 oem_sel.manuf_id[2]= 0x00; 79 80 // per IPMI spec NetFuntion for OEM 81 oem_sel.netfun = 0x3A; 82 83 // Read from the queue to see what our response is here 84 Host::Command hCmd = getNextHostCmd(); 85 switch (hCmd) 86 { 87 case Host::Command::SoftOff: 88 notifySoftOff(); 89 oem_sel.cmd = CMD_POWER; 90 oem_sel.data[0] = SOFT_OFF; 91 break; 92 case Host::Command::Heartbeat: 93 oem_sel.cmd = CMD_HEARTBEAT; 94 oem_sel.data[0] = 0x00; 95 break; 96 } 97 98 // All '0xFF' since unused. 99 memset(&oem_sel.data[1], 0xFF, 3); 100 101 // Pack the actual response 102 memcpy(response, &oem_sel, *data_len); 103 return rc; 104 } 105 106 //--------------------------------------------------------------------- 107 // Called by Host on seeing a SMS_ATN bit set. Return a hardcoded 108 // value of 0x2 indicating we need Host read some data. 109 //------------------------------------------------------------------- 110 ipmi_ret_t ipmi_app_get_msg_flags(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 111 ipmi_request_t request, ipmi_response_t response, 112 ipmi_data_len_t data_len, ipmi_context_t context) 113 { 114 // Generic return from IPMI commands. 115 ipmi_ret_t rc = IPMI_CC_OK; 116 117 printf("IPMI APP GET MSG FLAGS returning with [bit:2] set\n"); 118 119 // From IPMI spec V2.0 for Get Message Flags Command : 120 // bit:[1] from LSB : 1b = Event Message Buffer Full. 121 // Return as 0 if Event Message Buffer is not supported, 122 // or when the Event Message buffer is disabled. 123 // TODO. For now. assume its not disabled and send "0x2" anyway: 124 125 uint8_t set_event_msg_buffer_full = 0x2; 126 *data_len = sizeof(set_event_msg_buffer_full); 127 128 // Pack the actual response 129 memcpy(response, &set_event_msg_buffer_full, *data_len); 130 131 return rc; 132 } 133 134 ipmi_ret_t ipmi_app_set_bmc_global_enables(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 135 ipmi_request_t request, ipmi_response_t response, 136 ipmi_data_len_t data_len, ipmi_context_t context) 137 { 138 ipmi_ret_t rc = IPMI_CC_OK; 139 *data_len = 0; 140 141 // Event and message logging enabled by default so return for now 142 printf("IPMI APP SET BMC GLOBAL ENABLES Ignoring for now\n"); 143 144 return rc; 145 } 146 147 // Globals to keep the object alive during process life 148 std::unique_ptr<sdbusplus::bus::bus> sdbus = nullptr; 149 // TODO openbmc/openbmc#1581 - unique_ptr causes seg fault 150 phosphor::host::Host* host = nullptr; 151 152 153 #include <unistd.h> 154 void register_netfn_app_functions() 155 { 156 157 // <Read Event Message Buffer> 158 printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_APP, IPMI_CMD_READ_EVENT); 159 ipmi_register_callback(NETFUN_APP, IPMI_CMD_READ_EVENT, NULL, ipmi_app_read_event, 160 SYSTEM_INTERFACE); 161 162 // <Set BMC Global Enables> 163 printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_APP, 164 IPMI_CMD_SET_BMC_GLOBAL_ENABLES); 165 ipmi_register_callback(NETFUN_APP, IPMI_CMD_SET_BMC_GLOBAL_ENABLES, NULL, 166 ipmi_app_set_bmc_global_enables, SYSTEM_INTERFACE); 167 168 // <Get Message Flags> 169 printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_APP, IPMI_CMD_GET_MSG_FLAGS); 170 ipmi_register_callback(NETFUN_APP, IPMI_CMD_GET_MSG_FLAGS, NULL, ipmi_app_get_msg_flags, 171 SYSTEM_INTERFACE); 172 173 // Gets a hook onto SYSTEM bus used by host-ipmid 174 sd_bus *bus = ipmid_get_sd_bus_connection(); 175 176 sdbus = std::make_unique<sdbusplus::bus::bus>(bus); 177 178 // Create new xyz.openbmc_project.host object on the bus 179 auto objPathInst = std::string{CONTROL_HOST_OBJPATH} + '0'; 180 181 // Add sdbusplus ObjectManager. 182 sdbusplus::server::manager::manager objManager(*sdbus, 183 objPathInst.c_str()); 184 185 host = new phosphor::host::Host(*sdbus, 186 objPathInst.c_str()); 187 188 sdbus->request_name(CONTROL_HOST_BUSNAME); 189 190 return; 191 } 192 193 Host::Command getNextHostCmd() 194 { 195 return(host->getNextCommand()); 196 } 197