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Diffstat (limited to 'hwpf/fapi/include/return_code.H')
| -rwxr-xr-x | hwpf/fapi/include/return_code.H | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/hwpf/fapi/include/return_code.H b/hwpf/fapi/include/return_code.H new file mode 100755 index 00000000..0442ca89 --- /dev/null +++ b/hwpf/fapi/include/return_code.H @@ -0,0 +1,180 @@ +/* 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 return_code.H + * @brief definitions for fapi2 return codes + */ + +#ifndef __FAPI2_RETURN_CODE__ +#define __FAPI2_RETURN_CODE__ + +#include <stdint.h> + +// Remove this for platforms which don't support FFDC +#include <ffdc.H> + +/// +/// @brief Set HWP Error macro +/// +/// This macro should be used by a HWP to create an error. The ReturnCode's +/// internal return code is set and any error information in the Error XML file +/// is added to the ReturnCode +/// +#define FAPI_SET_HWP_ERROR(RC, ERROR) \ + RC._setHwpError(fapi2::ERROR); \ + ERROR##_CALL_FUNCS_TO_COLLECT_FFDC(RC); \ + ERROR##_CALL_FUNCS_TO_COLLECT_REG_FFDC(RC); \ + ERROR##_ADD_ERROR_INFO(RC) + +/// +/// @brief Add info to HWP Error macro +/// +/// This macro should be used by an FFDC HWP to add error information from an +/// Error XML file to an existing error. +/// +#define FAPI_ADD_INFO_TO_HWP_ERROR(RC, ERROR) \ + ERROR##_CALL_FUNCS_TO_COLLECT_FFDC(RC); \ + ERROR##_CALL_FUNCS_TO_COLLECT_REG_FFDC(RC); \ + ERROR##_ADD_ERROR_INFO(RC) + +namespace fapi2 +{ + /// + /// @brief Enumeration of return codes + /// + enum ReturnCodes + { + ///< Success + FAPI2_RC_SUCCESS = 0, + + // Flag bits indicating which code generated the error. + FAPI2_RC_FAPI2_MASK = 0x04000000, ///< FAPI2 mask + FAPI2_RC_PLAT_MASK = 0x02000000, ///< Platform mask + FAPI2_RC_HWP_MASK = 0x00000000, ///< HWP mask + + // + // FAPI generated return codes + // + + FAPI2_RC_INVALID_ATTR_GET = FAPI2_RC_FAPI2_MASK | 0x01, + ///< Initfile requested an attribute with an invalid attribute ID + + FAPI2_RC_INVALID_CHIP_EC_FEATURE_GET = FAPI2_RC_FAPI2_MASK | 0x02, + ///< HWP requested a chip EC feature with an invalid attribute ID + + FAPI2_RC_INVALID_MULTISCOM_LENGTH = FAPI2_RC_FAPI2_MASK | 0x03, + ///< Invalid multiscom parameters + + FAPI2_RC_INVALID_PARAMETER = FAPI2_RC_FAPI2_MASK | 0x04, + ///< Invalid parameters to a FAPI2 function + + FAPI2_RC_OVERFLOW = FAPI2_RC_FAPI2_MASK | 0x05, + ///< Overflow condition, typically a buffer operation + + // + // PLAT generated return codes. Additional details may be contained in + // ReturnCode platData (this can only be looked at by PLAT code) + // + + FAPI2_RC_PLAT_ERR_SEE_DATA = FAPI2_RC_PLAT_MASK | 0x01, + ///< Generic platform error + + FAPI2_RC_PLAT_ERR_ADU_LOCKED = FAPI2_RC_PLAT_MASK | 0x02, + ///< Operation to AlterDisplay unit failed because it is locked + + FAPI2_RC_PLAT_NOT_SUPPORTED_AT_RUNTIME = FAPI2_RC_PLAT_MASK | 0x03, + ///< Operation not supported by HB runtime + }; + + /// + /// @brief Class representing a FAPI2 ReturnCode + /// + /// @note Remove the inheritance relationship with FirstFailureData if + /// the platform doesn't support FFDC. + class ReturnCode : public FirstFailureData<ReturnCode> + { + public: + + /// + /// @brief Constructor. + /// @param[in] i_rc the rc to set + /// + ReturnCode(const uint64_t i_rc = FAPI2_RC_SUCCESS): + iv_rc(i_rc) + {}; + + /// + /// @brief integral type conversion function. Returns the error code + /// @return The error code + /// + inline operator uint64_t() const { return iv_rc; } + + /// + /// @brief Returns true iff iv_rc == SUCCESS + /// @return true or false + /// + inline operator bool() const { return iv_rc == FAPI2_RC_SUCCESS; } + + /// + /// @brief Assignement operator + /// + inline ReturnCode& operator=(const uint64_t& rhs) + { + iv_rc = rhs; + return *this; + } + + inline ReturnCode& operator=(const ReturnCodes& rhs) + { + iv_rc = rhs; + return *this; + } + + inline bool operator==(const uint64_t& rhs) const + { return rhs == iv_rc; } + + inline bool operator==(const ReturnCodes& rhs) const + { return rhs == iv_rc; } + + inline bool operator!=(const uint64_t& rhs) const + { return rhs != iv_rc; } + + inline bool operator!=(const ReturnCodes& rhs) const + { return rhs != iv_rc; } + + private: + uint64_t iv_rc; + }; + + /// This implementation assumes no exception handling and leverages thread-local + /// storage. For platforms without thread support, a global variable will + /// suffice for the error state. + extern thread_local ReturnCode current_err; /// the current error state + extern thread_local uint64_t pib_error_mask; /// the pib mask + extern thread_local uint64_t operational_state; /// the operational mode + +}; + +#endif |
