/* IBM_PROLOG_BEGIN_TAG */ /* This is an automatically generated prolog. */ /* */ /* $Source: src/usr/vpd/mvpd.C $ */ /* */ /* OpenPOWER HostBoot Project */ /* */ /* Contributors Listed Below - COPYRIGHT 2013,2017 */ /* [+] Google Inc. */ /* [+] International Business Machines Corp. */ /* */ /* */ /* Licensed under the Apache License, Version 2.0 (the "License"); */ /* you may not use this file except in compliance with the License. */ /* You may obtain a copy of the License at */ /* */ /* http://www.apache.org/licenses/LICENSE-2.0 */ /* */ /* Unless required by applicable law or agreed to in writing, software */ /* distributed under the License is distributed on an "AS IS" BASIS, */ /* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */ /* implied. See the License for the specific language governing */ /* permissions and limitations under the License. */ /* */ /* IBM_PROLOG_END_TAG */ // ---------------------------------------------- // Includes // ---------------------------------------------- #include #include #include #include #include #include #include #include #include #include #include #include #include #include "mvpd.H" #include "ipvpd.H" #include "vpd.H" // ---------------------------------------------- // Trace definitions // ---------------------------------------------- extern trace_desc_t* g_trac_vpd; // ------------------------ // Macros for unit testing //#define TRACUCOMP(args...) TRACFCOMP(args) #define TRACUCOMP(args...) //#define TRACSSCOMP(args...) TRACFCOMP(args) #define TRACSSCOMP(args...) namespace MVPD { // ---------------------------------------------- // Globals // ---------------------------------------------- mutex_t g_mutex = MUTEX_INITIALIZER; /** * @brief This function will perform the steps required to do a read from * the Hostboot MVPD data. * * @param[in] i_opType - Operation Type - See DeviceFW::OperationType in * driververif.H * * @param[in] i_target - Processor Target device * * @param [in/out] io_buffer - Pointer to the data that was read from * the target device. This parameter, when set to NULL, will return * the keyword size value in io_buflen. * * @param [in/out] io_buflen - Length of the buffer to be read or written * to/from the target. This value should indicate the size of the * io_buffer parameter that has been allocated. Being returned it * will indicate the number of valid bytes in the buffer being * returned. This parameter will contain the size of a keyword when * the io_buffer parameter is passed in NULL. * * @param [in] i_accessType - Access Type - See DeviceFW::AccessType in * usrif.H * * @param [in] i_args - This is an argument list for the device driver * framework. * * @return errlHndl_t - NULL if successful, otherwise a pointer to the * error log. */ errlHndl_t mvpdRead ( DeviceFW::OperationType i_opType, TARGETING::Target * i_target, void * io_buffer, size_t & io_buflen, int64_t i_accessType, va_list i_args ) { errlHndl_t err = NULL; IpVpdFacade::input_args_t args; args.record = ((mvpdRecord)va_arg( i_args, uint64_t )); args.keyword = ((mvpdKeyword)va_arg( i_args, uint64_t )); args.location = ((VPD::vpdCmdTarget)va_arg( i_args, uint64_t )); TRACSSCOMP( g_trac_vpd, ENTER_MRK"mvpdRead()" ); err = Singleton::instance().read(i_target, io_buffer, io_buflen, args); return err; } /** * @brief This function will perform the steps required to do a write to * the Hostboot MVPD data. * * @param[in] i_opType - Operation Type - See DeviceFW::OperationType in * driververif.H * * @param[in] i_target - Processor Target device * * @param [in/out] io_buffer - Pointer to the data that was read from * the target device. It will also be used to contain data to * be written to the device. * * @param [in/out] io_buflen - Length of the buffer to be read or written * to/from the target. This value should indicate the size of the * io_buffer parameter that has been allocated. Being returned it * will indicate the number of valid bytes in the buffer being * returned. * * @param [in] i_accessType - Access Type - See DeviceFW::AccessType in * usrif.H * * @param [in] i_args - This is an argument list for the device driver * framework. * * @return errlHndl_t - NULL if successful, otherwise a pointer to the * error log. */ errlHndl_t mvpdWrite ( DeviceFW::OperationType i_opType, TARGETING::Target * i_target, void * io_buffer, size_t & io_buflen, int64_t i_accessType, va_list i_args ) { errlHndl_t err = NULL; IpVpdFacade::input_args_t args; args.record = ((mvpdRecord)va_arg( i_args, uint64_t )); args.keyword = ((mvpdKeyword)va_arg( i_args, uint64_t )); args.location = ((VPD::vpdCmdTarget)va_arg( i_args, uint64_t )); TRACSSCOMP( g_trac_vpd, ENTER_MRK"mvpdWrite()" ); err = Singleton::instance().write(i_target, io_buffer, io_buflen, args); return err; } // Register with the routing code DEVICE_REGISTER_ROUTE( DeviceFW::READ, DeviceFW::MVPD, TARGETING::TYPE_PROC, mvpdRead ); DEVICE_REGISTER_ROUTE( DeviceFW::WRITE, DeviceFW::MVPD, TARGETING::TYPE_PROC, mvpdWrite ); }; // end MVPD namespace // --------------------------------------------------------- // Presence Detection // --------------------------------------------------------- bool VPD::mvpdPresent( TARGETING::Target * i_target ) { TRACSSCOMP(g_trac_vpd, ENTER_MRK"mvpdPresent()"); #if(defined( CONFIG_MVPD_READ_FROM_HW ) && !defined( __HOSTBOOT_RUNTIME) ) return EEPROM::eepromPresence( i_target ); #else return Singleton::instance().hasVpdPresent( i_target, MVPD::CP00, MVPD::VD ); #endif } //MVPD Class Functions /** * @brief Constructor */ MvpdFacade::MvpdFacade() : IpVpdFacade(MVPD::SECTION_SIZE, MVPD::MAX_SECTIONS, MVPD::mvpdRecords, (sizeof(MVPD::mvpdRecords)/sizeof(MVPD::mvpdRecords[0])), MVPD::mvpdKeywords, (sizeof(MVPD::mvpdKeywords)/sizeof(MVPD::mvpdKeywords[0])), PNOR::MODULE_VPD, MVPD::g_mutex, VPD::VPD_WRITE_PROC) { TRACUCOMP(g_trac_vpd, "MvpdFacade::MvpdFacade> " ); #ifdef CONFIG_MVPD_READ_FROM_PNOR iv_configInfo.vpdReadPNOR = true; #else iv_configInfo.vpdReadPNOR = false; #endif #ifdef CONFIG_MVPD_READ_FROM_HW iv_configInfo.vpdReadHW = true; #else iv_configInfo.vpdReadHW = false; #endif #ifdef CONFIG_MVPD_WRITE_TO_PNOR iv_configInfo.vpdWritePNOR = true; #else iv_configInfo.vpdWritePNOR = false; #endif #ifdef CONFIG_MVPD_WRITE_TO_HW iv_configInfo.vpdWriteHW = true; #else iv_configInfo.vpdWriteHW = false; #endif }