diff options
Diffstat (limited to 'src/usr/hwas/hwasPlatDeconfigGard.C')
| -rw-r--r-- | src/usr/hwas/hwasPlatDeconfigGard.C | 170 |
1 files changed, 169 insertions, 1 deletions
diff --git a/src/usr/hwas/hwasPlatDeconfigGard.C b/src/usr/hwas/hwasPlatDeconfigGard.C index 6c8aa27d5..a8aa334c5 100644 --- a/src/usr/hwas/hwasPlatDeconfigGard.C +++ b/src/usr/hwas/hwasPlatDeconfigGard.C @@ -5,7 +5,7 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2013,2017 */ +/* Contributors Listed Below - COPYRIGHT 2013,2018 */ /* [+] Google Inc. */ /* [+] International Business Machines Corp. */ /* */ @@ -46,6 +46,16 @@ #include <pnor/pnorif.H> +#ifdef __HOSTBOOT_RUNTIME +#include <runtime/interface.h> // g_hostInterfaces +#include <runtime/hbrt_utilities.H> // createGenericFspMsg +#include <util/runtime/rt_fwreq_helper.H> // firmware_request_helper +#endif + +#ifdef CONFIG_TPMDD +#include <../usr/secureboot/trusted/trustedbootUtils.H> +#endif + namespace HWAS { @@ -543,4 +553,162 @@ errlHndl_t getGardSectionInfo(PNOR::SectionInfo_t& o_sectionInfo) return l_errl; } +/** + * @brief This will perform any post-deconfig operations, + * such as syncing state with other subsystems + */ +void DeconfigGard::platPostDeconfigureTarget( + TARGETING::Target * i_pTarget) +{ +#ifndef __HOSTBOOT_RUNTIME +#ifdef CONFIG_TPMDD + if( i_pTarget->getAttr<TARGETING::ATTR_TYPE>() + == TARGETING::TYPE_TPM) + { + HWAS_INF("platPostDeconfigureTarget: Deconfiguring TPM 0x%08X", + get_huid(i_pTarget)); + (void)TRUSTEDBOOT::tpmMarkFailed(i_pTarget); + } +#endif // CONFIG_TPMDD +#endif // #ifndef __HOSTBOOT_RUNTIME + +#ifdef __HOSTBOOT_RUNTIME + // As part of keeping things in sync when a target is + // deconfiged, HBRT will send a message down to FSP to + // inform FSP that a target has been deconfiged + errlHndl_t l_err = nullptr; + + // Handles to the firmware messages + hostInterfaces::hbrt_fw_msg *l_req_fw_msg = nullptr; + hostInterfaces::hbrt_fw_msg *l_resp_fw_msg = nullptr; + + do + { + if ((nullptr == g_hostInterfaces) || + (nullptr == g_hostInterfaces->firmware_request)) + { + HWAS_ERR("Hypervisor firmware_request interface not linked"); + + /*@ + * @errortype + * @severity ERRL_SEV_INFORMATIONAL + * @moduleid HWAS::MOD_PLAT_DECONFIG_GARD + * @reasoncode HWAS::RC_RT_NULL_FIRMWARE_REQUEST_PTR + * @userdata1 HUID of target + * @userdata2 none + * @devdesc Post de-configuration of target failed + */ + l_err= new ErrlEntry(ERRL_SEV_INFORMATIONAL, + HWAS::MOD_PLAT_DECONFIG_GARD, + HWAS::RC_RT_NULL_FIRMWARE_REQUEST_PTR, + get_huid(i_pTarget), + 0, + true); + break; + } + + // Create and initialize to zero a few needed variables + uint32_t l_fsp_data_size(0); + uint64_t l_req_fw_msg_size(0), l_resp_fw_msg_size(0); + + // Create the dynamic firmware messages + createGenericFspMsg(sizeof(TargetDeconfigHbrtFspData_t), + l_fsp_data_size, + l_req_fw_msg_size, + l_req_fw_msg, + l_resp_fw_msg_size, + l_resp_fw_msg); + + // If there was an issue with creating the messages, + // Create an Error Log entry and exit + if (!l_req_fw_msg || !l_resp_fw_msg) + { + HWAS_ERR("Unable to allocate firmware request messages"); + + /*@ + * @errortype + * @severity ERRL_SEV_INFORMATIONAL + * @moduleid HWAS::MOD_PLAT_DECONFIG_GARD + * @reasoncode HWAS::RC_RT_NULL_FIRMWARE_MSG_PTR + * @userdata1 HUID of target + * @userdata2 none + * @devdesc Post de-configuration of target failed + */ + l_err= new ErrlEntry(ERRL_SEV_INFORMATIONAL, + HWAS::MOD_PLAT_DECONFIG_GARD, + HWAS::RC_RT_NULL_FIRMWARE_MSG_PTR, + get_huid(i_pTarget), + 0, + true); + break; + } + + // Populate the request message with given data + l_req_fw_msg->generic_msg.msgq = MBOX::FSP_TARG_DECONFIG_MSGQ; + l_req_fw_msg->generic_msg.msgType = + GenericFspMboxMessage_t::MSG_DECONFIG_TARGET; + + // Create a useful struct to populate the generic_msg::data field + // Setting the HUID in the 1st 4 bytes (32bits) followed by the + // HWAS state. + TargetDeconfigHbrtFspData_t* l_fspData = + reinterpret_cast<TargetDeconfigHbrtFspData_t*> + (&(l_req_fw_msg->generic_msg.data)); + l_fspData->huid = get_huid(i_pTarget); + l_fspData->hwasState = i_pTarget->getAttr<ATTR_HWAS_STATE>(); + + // Binary trace the request message + HWAS_INF_BIN("Sending firmware_request", + l_req_fw_msg, + l_req_fw_msg_size); + + // Make the firmware_request call + // Inform the FSP that this target has been deconfiged + l_err = firmware_request_helper(l_req_fw_msg_size, + l_req_fw_msg, + &l_resp_fw_msg_size, + l_resp_fw_msg); + } while(0); + + if (l_err) + { + errlCommit(l_err, HWAS_COMP_ID); + } + + // Release the firmware messages and set to NULL + delete []l_req_fw_msg; + delete []l_resp_fw_msg; + l_req_fw_msg = l_resp_fw_msg = nullptr; +#endif // __HOSTBOOT_RUNTIME +} + +//***************************************************************************** +bool platSystemIsAtRuntime() +{ +#ifndef __HOSTBOOT_RUNTIME + HWAS_INF("HostBoot is running so system is NOT at runtime."); + return false; +#else + HWAS_INF("HostBoot is NOT running so system is at runtime."); + return true; +#endif +} + +//***************************************************************************** +errlHndl_t hwasError(const uint8_t i_sev, + const uint8_t i_modId, + const uint16_t i_reasonCode, + const uint64_t i_user1, + const uint64_t i_user2) +{ + errlHndl_t l_pErr; + + l_pErr = new ERRORLOG::ErrlEntry( + (ERRORLOG::errlSeverity_t)i_sev, i_modId, + i_reasonCode, + i_user1, i_user2); + l_pErr->collectTrace("HWAS_I"); + return l_pErr; +} + } // namespace HWAS |
