/* IBM_PROLOG_BEGIN_TAG */ /* This is an automatically generated prolog. */ /* */ /* $Source: $ */ /* */ /* OpenPOWER HostBoot Project */ /* */ /* Contributors Listed Below - COPYRIGHT 2012,2014 */ /* [+] 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 */ /// /// @file fapi2_hw_access.H /// @brief Common file that defines the hardware access functions that /// platform code must implement. /// #ifndef _FAPI2_COMMON_HWACCESS_H_ #define _FAPI2_COMMON_HWACCESS_H_ #ifdef FAPI_SUPPORT_SPY_AS_ENUM #include typedef uint64_t spyId_t; #endif #include //#include #include // variable_buffer isn't supported on PPE #ifndef __PPE__ #include #endif #include #include #include #include #ifdef FAPI_SUPPORT_MULTI_SCOM #include #endif namespace fapi2 { //-------------------------------------------------------------------------- // PIB Error Functions //-------------------------------------------------------------------------- /// @brief Sets the PIB error mask - platform dependant /// @param[in] i_mask The new error mask inline void setPIBErrorMask(uint8_t i_mask); /// @brief Gets the PIB error mask - platform dependant /// @return uint8_t The current PIB error mask inline uint8_t getPIBErrorMask(void); //-------------------------------------------------------------------------- // Operational Mode Error Functions //-------------------------------------------------------------------------- /// @brief Sets the operational mode /// @param[in] i_mode The new mode inline void setOpMode(const OpModes i_mode); /// @brief Gets the operational mode /// @return the operational mode inline OpModes getOpMode(void); //-------------------------------------------------------------------------- // HW Communication Functions //-------------------------------------------------------------------------- /// @brief Reads a SCOM register from a chip. /// @tparam K template parameter, passed in target. /// @param[in] i_target HW target to operate on. /// @param[in] i_address SCOM register address to read from. /// @param[out] o_data Buffer that holds data read from HW target. /// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. template< TargetType K > inline void getScom(const Target& i_target, const uint64_t i_address, buffer& o_data); /// @brief Writes a SCOM register on a chip. /// @tparam K template parameter, passed in target. /// @param[in] i_target HW target to operate on. /// @param[in] i_address SCOM register address to write to. /// @param[in] i_data Buffer that holds data to write into address. /// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. template< TargetType K > inline void putScom(const Target& i_target, const uint64_t i_address, const buffer i_data); /// @brief Writes a SCOM register under mask on a chip /// @tparam K template parameter, passed in target. /// @param[in] i_target HW target to operate on. /// @param[in] i_address SCOM register address to write to. /// @param[in] i_data Buffer that holds data to write into address. /// @param[in] i_mask Buffer that holds the mask value. /// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. template< TargetType K > inline void putScomUnderMask(const Target& i_target, const uint64_t i_address, const buffer i_data, const buffer i_mask); /// @brief Reads a CFAM register from a chip. /// CFAM register is 32-bit wide. /// @tparam K template parameter, passed in target. /// @param[in] i_target HW target to operate on. /// @param[in] i_address CFAM register address to read from. /// @param[out] o_data Buffer that holds data read from HW target. /// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. template< TargetType K > inline ReturnCode getCfamRegister(const Target& i_target, const uint32_t i_address, buffer& o_data); /// @brief Writes a CFAM register on a chip. /// CFAM register is 32-bit wide. /// @tparam K template parameter, passed in target. /// @param[in] i_target HW target to operate on. /// @param[in] i_address CFAM register address to write to. /// @param[in] i_data Buffer that holds data to write into address. /// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. template< TargetType K > inline ReturnCode putCfamRegister(const Target& i_target, const uint32_t i_address, const buffer i_data); /// @brief Read-modify-write a CFAM register on a chip. /// CFAM register is 32-bit wide. /// @tparam K template parameter, passed in target. /// @param[in] i_target HW target to operate on. /// @param[in] i_address CFAM register address to modify. /// @param[in] i_data Buffer that holds data to be modified. /// @param[in] i_modifyMode The modify mode (or/and/xor). /// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. template< TargetType K > inline ReturnCode modifyCfamRegister(const Target& i_target, const uint32_t i_address, const buffer i_data, const ChipOpModifyMode i_modifyMode); // variable_buffer isn't supported on PPE #ifndef __PPE__ /// @brief Reads a ring from a chip. /// @tparam K template parameter, passed in target. /// @param[in] i_target Target to operate on. /// @param[in] i_address Ring address to read from. /// @param[out] o_data Buffer that holds data read from HW target. /// @param[in] i_ringMode Ring operation mode. /// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. template< TargetType K > inline ReturnCode getRing(const Target& i_target, const scanRingId_t i_address, variable_buffer& o_data, const RingMode i_ringMode = 0); /// @brief Writes a ring to a chip. /// @tparam K template parameter, passed in target. /// @param[in] i_target Target to operate on. /// @param[in] i_address Ring address to write to. /// @param[in] i_data Buffer that contains RS4 compressed ring data /// to write into address /// @param[in] i_ringMode Ring operation mode. /// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. template< TargetType K > inline ReturnCode putRing(const Target& i_target, const scanRingId_t i_address, const variable_buffer& i_data, const RingMode i_ringMode = 0); /// @brief Read-modify-write a ring on a chip. /// @tparam K template parameter, passed in target. /// @param[in] i_target Target to operate on. /// @param[in] i_address Ring address to modify. /// @param[in] i_data Buffer that contains RS4 compressed ring data /// to be modified. /// @param[in] i_modifyMode The modify mode (or/and/xor) /// @param[in] i_ringMode Ring operation mode. /// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. template< TargetType K > inline ReturnCode modifyRing(const Target& i_target, const scanRingId_t i_address, const variable_buffer& i_data, const ChipOpModifyMode i_modifyMode, const RingMode i_ringMode = 0); #endif #ifdef FAPI_SUPPORT_MULTI_SCOM /// @brief Performs a multiple SCOM operation /// This interface performs multiple SCOM operations on a chip in the /// order specified by the input MultiScom object. /// See fapiMultiScom.H for details of how to populate the MultiScom /// object with SCOM operations. /// /// @tparam K template parameter, passed in target. /// @param[in] i_target Target to operate on. /// @param[in,out] io_multiScomObj Reference to a MultiScom object, /// pre-populated with SingleScomInfo entries /// to perform multiple SCOMs on input target /// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. /// /// @note This is a synchronous interface and would return after all the /// SCOM operations are completed or on the first failed operation /// /// @note SCOMs will be performed in the order they were added to the /// input MultiScom object /// /// @note In case of errors, the platform code is responsible to collect /// and add all the required error info and FFDC into the error data /// for debugging /// /// @note If the SCOM operations added are specific to a processor chip, /// then the FSI Shift Engine configured in scatter-gather DMA mode /// extension would be used to execute the SCOM operations in a /// performance optimize mode. In this mode, the special /// SCOM_BULK_READ_MODE and SCOM_BULK_WRITE_MODE operations are /// supported that allow a large bulk of SCOM access (in multiple of /// 64 bits) for targets that support auto-increment. The /// SCOM_WRITE_UNDER_MASK operation is not supported in this mode /// /// @note If the SCOM operations added are specific to a memory buffer /// chip, then the regular SCOM engine is used to execute the SCOM /// operations. SCOM_WRITE_UNDER_MASK operation is supported in /// this mode, but the special SCOM_BULK_READ_MODE and /// SCOM_BULK_WRITE_MODE operations are not supported due to /// hardware limitations. /// template< TargetType K > fapi2::ReturnCode multiScom (const Target& i_target, MultiScom& io_multiScomObj); #endif // -------------------------------------------------------------------------- // NOTE: // Implement platform Spy access functions if platform supports them. // -------------------------------------------------------------------------- // variable_buffer isn't supported on PPE #ifndef __PPE__ /// @brief Reads a spy from a chip. /// @tparam K template parameter, passed in target. /// @param[in] i_target Target to operate on. /// @param[in] i_spyId Id of the spy whose data to be read. /// @param[out] o_data Buffer that holds data read from HW target. /// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. /// /// @note: The string version is only supported for cronus. /// /// The fapi design to support both FSP and cronus use of get and /// put spy functions is dependant on the SPY names being expanded /// to resemble a valid C identifier. This design places some /// restrictions on the SPY names which can be used. /// /// 1. if the spy name contains a # procedure writers should replace /// it with an __P__ for example - /// /// ABUS.RX0.RXPACKS#0.RXPACK.RD.LC.LC.ACT_DIS /// becomes /// ABUS.RX0.RXPACKS__P__0.RXPACK.RD.LC.LC.ACT_DIS /// /// 2. if the spy name has a number following a "." it must have an /// underscore prepended to the number. /// /// EH.TPCHIP.2KX100_ARY_CLK_EDGES_DLY /// becomes /// EH.TPCHIP._2KX100_ARY_CLK_EDGES_DLY /// /// Example SPY name: /// The hardware procedure should call the function like: /// /// ABUS.RX0.RXPACKS#0.RXPACK.RD.LC.LC.ACT_DIS /// /// fapi2::ReturnCode rc = fapiGetSpy( targ, /// ABUS.RX0.RXPACKS__P__0.RXPACK.RD.LC.LC.ACT_DIS, data ); /// /// @note The ID is not in quotes the fapi code will handle adding /// the quotes for the cronus environment #if defined(FAPI_SUPPORT_SPY_AS_ENUM) || defined(DOXYGEN) #define FAPI_GET_SPY(TARGET, ID, DATA) fapi2::getSpy(TARGET, FAPI_SPY_NAMES::ID.value, DATA) template< TargetType K > inline ReturnCode getSpy(const Target& i_target, const spyId_t i_spyId, variable_buffer& o_data); #endif #if defined(FAPI_SUPPORT_SPY_AS_STRING) || defined(DOXYGEN) #define FAPI_GET_SPY(TARGET, ID, DATA) fapi2::getSpy(TARGET, #ID, DATA) template< TargetType K > inline ReturnCode getSpy(const Target& i_target, const char * const i_spyId, variable_buffer& o_data); #endif /// @brief Writes a spy on a chip. /// @tparam K template parameter, passed in target. /// @param[in] i_target Target to operate on. /// @param[in] i_spyId Id of the spy to write data to. /// @param[out] i_data Buffer that holds data to write into spy. /// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. /// /// @note: The string version is only supported for cronus. /// /// The fapi design to support both FSP and cronus use of get and /// put spy functions is dependent on the SPY names being expanded /// to resemble a valid C identifier. This design places some /// restrictions on the SPY names which can be used. /// /// 1. if the spy name contains a # procedure writers should replace /// is with an __P__ for example - /// /// ABUS.RX0.RXPACKS#0.RXPACK.RD.LC.LC.ACT_DIS /// becomes /// ABUS.RX0.RXPACKS__P__0.RXPACK.RD.LC.LC.ACT_DIS /// /// 2. if the spy name has a number following a "." it must have an /// underscore prepended to the number. /// /// EH.TPCHIP.2KX100_ARY_CLK_EDGES_DLY /// becomes /// EH.TPCHIP._2KX100_ARY_CLK_EDGES_DLY /// /// Example SPY name: /// The hardware procedure should call the function like: /// /// ABUS.RX0.RXPACKS#0.RXPACK.RD.LC.LC.ACT_DIS /// /// fapi2::ReturnCode rc = fapiPutSpy( targ, /// ABUS.RX0.RXPACKS__P__0.RXPACK.RD.LC.LC.ACT_DIS, data ); /// /// @note The ID is not in quotes the fapi code will handle adding /// the quotes for the cronus environment /// #if defined(FAPI_SUPPORT_SPY_AS_ENUM) || defined(DOXYGEN) #define FAPI_PUT_SPY(TARGET, ID, DATA) fapi2::putSpy(TARGET, FAPI_SPY_NAMES::ID.value, DATA) template< TargetType K > inline ReturnCode putSpy(const Target& i_target, const spyId_t i_spyId, variable_buffer& i_data); #endif #if defined(FAPI_SUPPORT_SPY_AS_STRING) || defined(DOXYGEN) #define FAPI_PUT_SPY(TARGET, ID, DATA) fapi2::putSpy(TARGET, #ID, DATA) template< TargetType K > inline ReturnCode putSpy(const Target& i_target, const char* const i_spyId, variable_buffer& i_data); #endif /// @brief Writes spy data into a buffer holding ring data image /// This API is used by L2/L3 repair to put column repair data /// into a ring buffer image. /// @tparam K template parameter, passed in target. /// @param[in] i_target Target to operate on. /// @param[in] i_spyId Id of the spy. /// @param[in] i_data Buffer that holds spy data to write into ring /// image. /// @param[out] o_data Buffer that holds updated ring image. /// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. /// /// @note: The string version is only supported for cronus. /// /// The fapi design to support both FSP and cronus use of get and /// put spy functions is dependent on the SPY names being expanded /// to resemble a valid C identifier. This design places some /// restrictions on the SPY names which can be used. /// /// See fapiPutSpy for details on spy id specifics. /// #if defined(FAPI_SUPPORT_SPY_AS_ENUM) || defined(DOXYGEN) #define FAPI_PUT_SPY_IMAGE(TARGET, ID, DATA1, DATA2) \ fapi2::putSpyImage(TARGET, FAPI_SPY_NAMES::ID.value, \ DATA1, DATA2) template< TargetType K > inline ReturnCode putSpyImage(const Target& i_target, const spyId_t i_spyId, const variable_buffer& i_data, variable_buffer& o_imageData); #endif #if defined(FAPI_SUPPORT_SPY_AS_STRING) || defined(DOXYGEN) #define FAPI_PUT_SPY_IMAGE(TARGET, ID, DATA1, DATA2) \ fapi2::putSpyImage(TARGET, #ID, DATA1,DATA2) template< TargetType K > inline ReturnCode putSpyImage(const Target& i_target, const char* const i_spyId, const variable_buffer& i_data, variable_buffer& o_imageData); #endif /// @brief Reads spy data from a ring image buffer /// @param[in] i_target Target to operate on /// @param[in] i_spyId The spy's id /// @param[out] o_data Buffer that holds data read from ring image. /// @param[in] i_imageData Buffer that holds ring image to read data /// from. /// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. /// /// @note: The string version is only supported for cronus. /// /// The fapi design to support both FSP and cronus use of get and /// put spy functions is dependent on the SPY names being expanded /// to resemble a valid C identifier. This design places some /// restrictions on the SPY names which can be used. /// /// See fapiPutSpy for details on spy id specifics. /// #if defined(FAPI_SUPPORT_SPY_AS_ENUM) || defined(DOXYGEN) #define FAPI_GET_SPY_IMAGE(TARGET, ID, DATA1, DATA2) \ fapi2:getSpyImage(TARGET, FAPI_SPY_NAMES::ID.value, \ DATA1, DATA2) template< TargetType K > inline ReturnCode getSpyImage(const Target& i_target, const spyId_t i_spyId, variable_buffer& o_data, const variable_buffer& i_imageData); #endif #if defined(FAPI_SUPPORT_SPY_AS_STRING) || defined(DOXYGEN) #define FAPI_GET_SPY_IMAGE(TARGET, ID, DATA1, DATA2) \ fapi2::getSpyImage(TARGET, #ID, DATA1,DATA2) template< TargetType K > inline ReturnCode getSpyImage(const Target& i_target, const char * const i_spyId, variable_buffer& o_data, const variable_buffer& i_imageData); #endif #endif // PPE }; #endif // _FAPI2_HWACCESS_H_