diff options
Diffstat (limited to 'src/usr/ipmi/ipmifru.C')
| -rw-r--r-- | src/usr/ipmi/ipmifru.C | 123 |
1 files changed, 122 insertions, 1 deletions
diff --git a/src/usr/ipmi/ipmifru.C b/src/usr/ipmi/ipmifru.C index 4082f5bed..9f62e9a7f 100644 --- a/src/usr/ipmi/ipmifru.C +++ b/src/usr/ipmi/ipmifru.C @@ -5,7 +5,7 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2014,2015 */ +/* Contributors Listed Below - COPYRIGHT 2014,2018 */ /* [+] International Business Machines Corp. */ /* */ /* */ @@ -48,6 +48,7 @@ extern trace_desc_t * g_trac_ipmi; #ifdef CONFIG_BMC_IPMI const uint8_t writeDataHeader = 3; +const uint8_t readDataCmd = 4; /** * setup _start and handle barrier @@ -107,6 +108,11 @@ void IpmiFRU::execute(void) // done with the msg msg_free(msg); break; + + case IPMIFRU::MSG_READ_FRU_DATA: + sendReadFruData(msg); + msg_respond(iv_msgQ, msg); + break; }; } // while } while (false); @@ -191,6 +197,78 @@ void IpmiFRU::sendWriteFruData(msg_t *i_msg) return; } // sendWriteFruData +void IpmiFRU::sendReadFruData(msg_t *i_msg) +{ + errlHndl_t err = NULL; + + const uint8_t &l_deviceId = (i_msg->data[0] >> 32); + uint16_t l_offset = (i_msg->data[0] & 0xFFFFFFFF); + size_t l_dataSize = i_msg->data[1]; // FRU data size + uint8_t *l_data = static_cast<uint8_t*>(i_msg->extra_data); + + uint16_t l_dataOffset = 0; // start at the l_data[0] + size_t l_fruSize = 0; + + //TODO RTC 167956 + const size_t l_maxBuffer = 16; + + IPMI_TRAC(ENTER_MRK "sendReadFruData for dev 0x%x, size %d", + l_deviceId, l_dataSize); + + while ((l_dataSize > 0) && (err == NULL)) + { + size_t this_size = readDataCmd; + uint8_t *this_data = new uint8_t[this_size]; + + l_fruSize = std::min(l_dataSize, l_maxBuffer); // read data size + + // copy device ID, offset, fru data to new buffer + this_data[0] = l_deviceId; + this_data[1] = l_offset & 0xFF; + this_data[2] = l_offset >> 8; + this_data[3] = l_fruSize; + + IPMI_TRAC(INFO_MRK "sending read_fru_data fru size %d offset %d, " + "data offset %d", + l_fruSize, l_offset, l_dataOffset); + + IPMI::completion_code cc = IPMI::CC_UNKBAD; + err = IPMI::sendrecv(IPMI::read_fru_data(), cc, this_size, this_data); + if (err) + { + IPMI_TRAC(ERR_MRK "Failed to send read_fru_data dev 0x%x", + l_deviceId); + // err is set, so we'll break out of the while loop + } + else if (cc != IPMI::CC_OK) + { + IPMI_TRAC(ERR_MRK "Failed to send read_fru_data dev 0x%x CC 0x%x", + l_deviceId, cc); + // stop sending; breaks out of the while loop + l_dataSize = 0; + } else { + this_size = this_data[0]; + this_size = std::min(this_size, l_dataSize); + memcpy(l_data + l_dataOffset, &this_data[1], this_size); + // update the offsets for the next time around + l_offset += l_fruSize; + l_dataOffset += l_fruSize; + l_dataSize -= l_fruSize; + } + + // delete the buffer returned from sendrecv + delete [] this_data; + } + + if (err) + { + err->collectTrace(IPMI_COMP_NAME); + errlCommit(err, IPMI_COMP_ID); + } + + return; +} // sendReadFruData + namespace IPMIFRU { /// @@ -232,5 +310,48 @@ namespace IPMIFRU return; } // writeData + void readData(uint8_t i_deviceId, uint8_t *io_data) + { + IPMI_TRAC(ENTER_MRK "readData(deviceId 0x%x", i_deviceId); + + // one message queue to the FRU thread + static msg_q_t mq = Singleton<IpmiFRU>::instance().msgQueue(); + uint32_t i_offset = 0; + size_t i_dataSize = IPMIFRU::MAX_RECORD_SIZE; + + // send data in msg to fru thread + msg_t *msg = msg_allocate(); + + msg->type = MSG_READ_FRU_DATA; + msg->data[0] = (static_cast<uint64_t>(i_deviceId) << 32) | i_offset; + msg->data[1] = i_dataSize; + + //Setup data structure to pass in message to read FRU record + uint8_t *l_data = new uint8_t[i_dataSize]; + memset(l_data, 0, i_dataSize); + memset(io_data, 0, i_dataSize); + msg->extra_data = l_data; + + //Send the msg (sync) to the fru thread + int rc = msg_sendrecv(mq, msg); + + //Return code is non-zero when the message queue is invalid + //or the message type is invalid. + if ( rc ) + { + IPMI_TRAC(ERR_MRK "Failed (rc=%d) to send message to read" + "FRU Inventory Record: %d", + rc, i_deviceId); + delete [] l_data; // delete, since msg wasn't sent + return; + } + + //Copy data from local data structure to output data structure + memcpy(&io_data[0], l_data, i_dataSize); + msg_free(msg); + + return; + } + }; // IPMIFRU namespace #endif // CONFIG_BMC_IPMI |
