1 #include "config.h" 2 3 #include "systemintfcmds.hpp" 4 5 #include "host-cmd-manager.hpp" 6 #include "host-interface.hpp" 7 8 #include <ipmid-host/cmd.hpp> 9 #include <ipmid/api.hpp> 10 11 #include <cstring> 12 13 void register_netfn_app_functions() __attribute__((constructor)); 14 15 using namespace sdbusplus::server::xyz::openbmc_project::control; 16 17 // For accessing Host command manager 18 using cmdManagerPtr = std::unique_ptr<phosphor::host::command::Manager>; 19 extern cmdManagerPtr& ipmid_get_host_cmd_manager(); 20 21 //------------------------------------------------------------------- 22 // Called by Host post response from Get_Message_Flags 23 //------------------------------------------------------------------- 24 ipmi_ret_t ipmi_app_read_event(ipmi_netfn_t, ipmi_cmd_t, ipmi_request_t, 25 ipmi_response_t response, 26 ipmi_data_len_t data_len, ipmi_context_t) 27 { 28 ipmi_ret_t rc = IPMI_CC_OK; 29 30 struct oem_sel_timestamped oem_sel = {}; 31 *data_len = sizeof(struct oem_sel_timestamped); 32 33 // either id[0] -or- id[1] can be filled in. We will use id[0] 34 oem_sel.id[0] = SEL_OEM_ID_0; 35 oem_sel.id[1] = SEL_OEM_ID_0; 36 oem_sel.type = SEL_RECORD_TYPE_OEM; 37 38 // Following 3 bytes are from IANA Manufactre_Id field. See below 39 oem_sel.manuf_id[0] = 0x41; 40 oem_sel.manuf_id[1] = 0xA7; 41 oem_sel.manuf_id[2] = 0x00; 42 43 // per IPMI spec NetFuntion for OEM 44 oem_sel.netfun = 0x3A; 45 46 // Read from the Command Manager queue. What gets returned is a 47 // pair of <command, data> that can be directly used here 48 auto hostCmd = ipmid_get_host_cmd_manager()->getNextCommand(); 49 oem_sel.cmd = hostCmd.first; 50 oem_sel.data[0] = hostCmd.second; 51 52 // All '0xFF' since unused. 53 std::memset(&oem_sel.data[1], 0xFF, 3); 54 55 // Pack the actual response 56 std::memcpy(response, &oem_sel, *data_len); 57 return rc; 58 } 59 60 //--------------------------------------------------------------------- 61 // Called by Host on seeing a SMS_ATN bit set. Return a hardcoded 62 // value of 0x0 to indicate Event Message Buffer is not supported 63 //------------------------------------------------------------------- 64 ipmi::RspType<uint8_t> ipmiAppGetMessageFlags() 65 { 66 // From IPMI spec V2.0 for Get Message Flags Command : 67 // bit:[1] from LSB : 1b = Event Message Buffer Full. 68 // Return as 0 if Event Message Buffer is not supported, 69 // or when the Event Message buffer is disabled. 70 // This path is used to communicate messages to the host 71 // from within the phosphor::host::command::Manager 72 constexpr uint8_t setEventMsgBufferNotSupported = 0x0; 73 return ipmi::responseSuccess(setEventMsgBufferNotSupported); 74 } 75 76 ipmi::RspType<bool, // Receive Message Queue Interrupt Enabled 77 bool, // Event Message Buffer Full Interrupt Enabled 78 bool, // Event Message Buffer Enabled 79 bool, // System Event Logging Enabled 80 uint1_t, // Reserved 81 bool, // OEM 0 enabled 82 bool, // OEM 1 enabled 83 bool // OEM 2 enabled 84 > 85 ipmiAppGetBMCGlobalEnable() 86 { 87 return ipmi::responseSuccess(true, false, false, true, 0, false, false, 88 false); 89 } 90 91 ipmi::RspType<> ipmiAppSetBMCGlobalEnable( 92 ipmi::Context::ptr ctx, bool receiveMessageQueueInterruptEnabled, 93 bool eventMessageBufferFullInterruptEnabled, bool eventMessageBufferEnabled, 94 bool systemEventLogEnable, uint1_t reserved, bool OEM0Enabled, 95 bool OEM1Enabled, bool OEM2Enabled) 96 { 97 ipmi::ChannelInfo chInfo; 98 99 if (ipmi::getChannelInfo(ctx->channel, chInfo) != ipmi::ccSuccess) 100 { 101 phosphor::logging::log<phosphor::logging::level::ERR>( 102 "Failed to get Channel Info", 103 phosphor::logging::entry("CHANNEL=%d", ctx->channel)); 104 return ipmi::responseUnspecifiedError(); 105 } 106 107 if (chInfo.mediumType != 108 static_cast<uint8_t>(ipmi::EChannelMediumType::systemInterface)) 109 { 110 phosphor::logging::log<phosphor::logging::level::ERR>( 111 "Error - supported only in system interface"); 112 return ipmi::responseCommandNotAvailable(); 113 } 114 115 // Recv Message Queue and SEL are enabled by default. 116 // Event Message buffer are disabled by default (not supported). 117 // Any request that try to change the mask will be rejected 118 if (!receiveMessageQueueInterruptEnabled || !systemEventLogEnable || 119 eventMessageBufferFullInterruptEnabled || eventMessageBufferEnabled || 120 OEM0Enabled || OEM1Enabled || OEM2Enabled || reserved) 121 { 122 return ipmi::responseInvalidFieldRequest(); 123 } 124 125 return ipmi::responseSuccess(); 126 } 127 128 namespace 129 { 130 // Static storage to keep the object alive during process life 131 std::unique_ptr<phosphor::host::command::Host> host 132 __attribute__((init_priority(101))); 133 std::unique_ptr<sdbusplus::server::manager_t> objManager 134 __attribute__((init_priority(101))); 135 } // namespace 136 137 void register_netfn_app_functions() 138 { 139 // <Read Event Message Buffer> 140 ipmi_register_callback(NETFUN_APP, IPMI_CMD_READ_EVENT, NULL, 141 ipmi_app_read_event, SYSTEM_INTERFACE); 142 143 // <Set BMC Global Enables> 144 ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnApp, 145 ipmi::app::cmdSetBmcGlobalEnables, 146 ipmi::Privilege::Admin, ipmiAppSetBMCGlobalEnable); 147 148 // <Get BMC Global Enables> 149 ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnApp, 150 ipmi::app::cmdGetBmcGlobalEnables, 151 ipmi::Privilege::User, ipmiAppGetBMCGlobalEnable); 152 153 // <Get Message Flags> 154 ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnApp, 155 ipmi::app::cmdGetMessageFlags, ipmi::Privilege::Admin, 156 ipmiAppGetMessageFlags); 157 158 // Create new xyz.openbmc_project.host object on the bus 159 auto objPath = std::string{CONTROL_HOST_OBJ_MGR} + '/' + HOST_NAME + '0'; 160 161 std::unique_ptr<sdbusplus::asio::connection>& sdbusp = 162 ipmid_get_sdbus_plus_handler(); 163 164 // Add sdbusplus ObjectManager. 165 objManager = std::make_unique<sdbusplus::server::manager_t>( 166 *sdbusp, CONTROL_HOST_OBJ_MGR); 167 168 host = std::make_unique<phosphor::host::command::Host>(*sdbusp, 169 objPath.c_str()); 170 sdbusp->request_name(CONTROL_HOST_BUSNAME); 171 172 return; 173 } 174