1 #include "config.h" 2 3 #include "systemintfcmds.hpp" 4 5 #include "host-cmd-manager.hpp" 6 #include "host-interface.hpp" 7 8 #include <cstring> 9 #include <ipmid-host/cmd.hpp> 10 #include <ipmid/api.hpp> 11 #include <ipmid/registration.hpp> 12 13 void register_netfn_app_functions() __attribute__((constructor)); 14 15 using namespace sdbusplus::xyz::openbmc_project::Control::server; 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 // global enables 22 // bit0 - Message Receive Queue enable 23 // bit1 - Enable Event Message Buffer Full Interrupt 24 // bit2 - Enable Event Message Buffer 25 // bit3 - Enable System Event Logging 26 // bit4 - reserved 27 // bit5-7 - OEM 0~2 enables 28 static constexpr uint8_t selEnable = 0x08; 29 static constexpr uint8_t recvMsgQueueEnable = 0x01; 30 static constexpr uint8_t globalEnablesDefault = selEnable | recvMsgQueueEnable; 31 32 //------------------------------------------------------------------- 33 // Called by Host post response from Get_Message_Flags 34 //------------------------------------------------------------------- 35 ipmi_ret_t ipmi_app_read_event(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 36 ipmi_request_t request, ipmi_response_t response, 37 ipmi_data_len_t data_len, ipmi_context_t context) 38 { 39 ipmi_ret_t rc = IPMI_CC_OK; 40 41 struct oem_sel_timestamped oem_sel = {0}; 42 *data_len = sizeof(struct oem_sel_timestamped); 43 44 // either id[0] -or- id[1] can be filled in. We will use id[0] 45 oem_sel.id[0] = SEL_OEM_ID_0; 46 oem_sel.id[1] = SEL_OEM_ID_0; 47 oem_sel.type = SEL_RECORD_TYPE_OEM; 48 49 // Following 3 bytes are from IANA Manufactre_Id field. See below 50 oem_sel.manuf_id[0] = 0x41; 51 oem_sel.manuf_id[1] = 0xA7; 52 oem_sel.manuf_id[2] = 0x00; 53 54 // per IPMI spec NetFuntion for OEM 55 oem_sel.netfun = 0x3A; 56 57 // Read from the Command Manager queue. What gets returned is a 58 // pair of <command, data> that can be directly used here 59 auto hostCmd = ipmid_get_host_cmd_manager()->getNextCommand(); 60 oem_sel.cmd = hostCmd.first; 61 oem_sel.data[0] = hostCmd.second; 62 63 // All '0xFF' since unused. 64 std::memset(&oem_sel.data[1], 0xFF, 3); 65 66 // Pack the actual response 67 std::memcpy(response, &oem_sel, *data_len); 68 return rc; 69 } 70 71 //--------------------------------------------------------------------- 72 // Called by Host on seeing a SMS_ATN bit set. Return a hardcoded 73 // value of 0x2 indicating we need Host read some data. 74 //------------------------------------------------------------------- 75 ipmi_ret_t ipmi_app_get_msg_flags(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 76 ipmi_request_t request, 77 ipmi_response_t response, 78 ipmi_data_len_t data_len, 79 ipmi_context_t context) 80 { 81 // Generic return from IPMI commands. 82 ipmi_ret_t rc = IPMI_CC_OK; 83 84 // From IPMI spec V2.0 for Get Message Flags Command : 85 // bit:[1] from LSB : 1b = Event Message Buffer Full. 86 // Return as 0 if Event Message Buffer is not supported, 87 // or when the Event Message buffer is disabled. 88 // For now, it is not supported. 89 90 uint8_t set_event_msg_buffer_full = 0x0; 91 *data_len = sizeof(set_event_msg_buffer_full); 92 93 // Pack the actual response 94 std::memcpy(response, &set_event_msg_buffer_full, *data_len); 95 96 return rc; 97 } 98 99 ipmi_ret_t ipmi_app_get_bmc_global_enables(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 100 ipmi_request_t request, 101 ipmi_response_t response, 102 ipmi_data_len_t data_len, 103 ipmi_context_t context) 104 { 105 ipmi_ret_t rc = IPMI_CC_OK; 106 if (0 != *data_len) 107 { 108 *data_len = 0; 109 return IPMI_CC_REQ_DATA_LEN_INVALID; 110 } 111 *data_len = sizeof(globalEnablesDefault); 112 *reinterpret_cast<uint8_t*>(response) = globalEnablesDefault; 113 return rc; 114 } 115 116 ipmi_ret_t ipmi_app_set_bmc_global_enables(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 117 ipmi_request_t request, 118 ipmi_response_t response, 119 ipmi_data_len_t data_len, 120 ipmi_context_t context) 121 { 122 ipmi_ret_t rc = IPMI_CC_OK; 123 124 uint8_t reqMask = *reinterpret_cast<uint8_t*>(request); 125 if (sizeof(reqMask) != *data_len) 126 { 127 *data_len = 0; 128 return IPMI_CC_REQ_DATA_LEN_INVALID; 129 } 130 131 *data_len = 0; 132 // Recv Message Queue and SEL are enabled by default. 133 // Event Message buffer are disabled by default (not supported). 134 // Any request that try to change the mask will be rejected 135 if (reqMask != (selEnable | recvMsgQueueEnable)) 136 { 137 return IPMI_CC_INVALID_FIELD_REQUEST; 138 } 139 return rc; 140 } 141 142 namespace 143 { 144 // Static storage to keep the object alive during process life 145 std::unique_ptr<phosphor::host::command::Host> host 146 __attribute__((init_priority(101))); 147 std::unique_ptr<sdbusplus::server::manager::manager> objManager 148 __attribute__((init_priority(101))); 149 } // namespace 150 151 void register_netfn_app_functions() 152 { 153 154 // <Read Event Message Buffer> 155 ipmi_register_callback(NETFUN_APP, IPMI_CMD_READ_EVENT, NULL, 156 ipmi_app_read_event, SYSTEM_INTERFACE); 157 158 // <Set BMC Global Enables> 159 ipmi_register_callback(NETFUN_APP, IPMI_CMD_SET_BMC_GLOBAL_ENABLES, NULL, 160 ipmi_app_set_bmc_global_enables, SYSTEM_INTERFACE); 161 162 // <Get BMC Global Enables> 163 ipmi_register_callback(NETFUN_APP, IPMI_CMD_GET_BMC_GLOBAL_ENABLES, NULL, 164 ipmi_app_get_bmc_global_enables, SYSTEM_INTERFACE); 165 166 // <Get Message Flags> 167 ipmi_register_callback(NETFUN_APP, IPMI_CMD_GET_MSG_FLAGS, NULL, 168 ipmi_app_get_msg_flags, SYSTEM_INTERFACE); 169 170 // Create new xyz.openbmc_project.host object on the bus 171 auto objPath = std::string{CONTROL_HOST_OBJ_MGR} + '/' + HOST_NAME + '0'; 172 173 std::unique_ptr<sdbusplus::asio::connection>& sdbusp = 174 ipmid_get_sdbus_plus_handler(); 175 176 // Add sdbusplus ObjectManager. 177 objManager = std::make_unique<sdbusplus::server::manager::manager>( 178 *sdbusp, CONTROL_HOST_OBJ_MGR); 179 180 host = std::make_unique<phosphor::host::command::Host>(*sdbusp, 181 objPath.c_str()); 182 sdbusp->request_name(CONTROL_HOST_BUSNAME); 183 184 return; 185 } 186