/* * Copyright 2010-2013 Intel Corporation. * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published * by the Free Software Foundation, version 2.1. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301 USA. * * Disclaimer: The codes contained in these modules may be specific * to the Intel Software Development Platform codenamed Knights Ferry, * and the Intel product codenamed Knights Corner, and are not backward * compatible with other Intel products. Additionally, Intel will NOT * support the codes or instruction set in future products. * * Intel offers no warranty of any kind regarding the code. This code is * licensed on an "AS IS" basis and Intel is not obligated to provide * any support, assistance, installation, training, or other services * of any kind. Intel is also not obligated to provide any updates, * enhancements or extensions. Intel specifically disclaims any warranty * of merchantability, non-infringement, fitness for any particular * purpose, and any other warranty. * * Further, Intel disclaims all liability of any kind, including but * not limited to liability for infringement of any proprietary rights, * relating to the use of the code, even if Intel is notified of the * possibility of such liability. Except as expressly stated in an Intel * license agreement provided with this code and agreed upon with Intel, * no license, express or implied, by estoppel or otherwise, to any * intellectual property rights is granted herein. */ #ifndef _COIENGINE_SOURCE_H #define _COIENGINE_SOURCE_H /** @ingroup COIEngine * @addtogroup COIEngineSource @{ * @file source\COIEngine_source.h */ #ifndef DOXYGEN_SHOULD_SKIP_THIS #include #include "../common/COITypes_common.h" #include "../common/COIResult_common.h" #include "../common/COIEngine_common.h" #endif // DOXYGEN_SHOULD_SKIP_THIS #ifdef __cplusplus extern "C" { #endif #define COI_MAX_DRIVER_VERSION_STR_LEN 255 #define COI_MAX_HW_THREADS 1024 /////////////////////////////////////////////////////////////////////////////// /// This enum defines miscellaneous information returned from the /// COIGetEngineInfo() function. /// typedef enum { COI_ENG_ECC_DISABLED = 0, //ECC is not enabled on this engine COI_ENG_ECC_ENABLED = 0x00000001, //ECC is enabled on this engine COI_ENG_ECC_UNKNOWN = 0x00000002 //ECC is mode is unknown } coi_eng_misc; /////////////////////////////////////////////////////////////////////////////// /// This structure returns information about an Intel(r) Xeon Phi(tm) /// coprocessor. /// A pointer to this structure is passed into the COIGetEngineInfo() function, /// which fills in the data before returning to the caller. /// typedef struct COI_ENGINE_INFO { /// The version string identifying the driver. coi_wchar_t DriverVersion[COI_MAX_DRIVER_VERSION_STR_LEN]; /// The ISA supported by the engine. COI_ISA_TYPE ISA; /// The number of cores on the engine. uint32_t NumCores; /// Miscellaneous fields coi_eng_misc MiscFlags; /// The number of hardware threads on the engine. uint32_t NumThreads; /// The maximum frequency (in MHz) of the cores on the engine. uint32_t CoreMaxFrequency; /// The load percentage for each of the hardware threads on the engine. uint32_t Load[COI_MAX_HW_THREADS]; /// The amount of physical memory managed by the OS. uint64_t PhysicalMemory; /// The amount of free physical memory in the OS. uint64_t PhysicalMemoryFree; /// The amount of swap memory managed by the OS. uint64_t SwapMemory; /// The amount of free swap memory in the OS. uint64_t SwapMemoryFree; /// The pci config vendor id uint16_t VendorId; /// The pci config device id uint16_t DeviceId; /// The pci config subsystem id uint16_t SubSystemId; /// The stepping of the board, A0, A1, C0, D0 etc. uint16_t BoardStepping; /// The SKU of the stepping, EB, ED, etc. uint16_t BoardSKU; } COI_ENGINE_INFO; /////////////////////////////////////////////////////////////////////////////// /// /// Returns information related to a specified engine. Note that if Intel® Coprocessor Offload Infrastructure (Intel® COI) is /// unable to query a value it will be returned as zero but the call will /// still succeed. /// /// /// @param in_EngineHandle /// [in] The COIENGINE structure as provided from COIEngineGetHandle() /// which to query for device level information. /// /// @param in_EngineInfoSize /// [in] The size of the structure that out_pEngineInfo points to. /// Used for version safety of the function call. /// /// @param out_pEngineInfo /// [out] The address of a user allocated COI_ENGINE_INFO structure. /// Upon success, the contents of the structure will be updated /// to contain information related to the specified engine. /// /// /// @return COI_SUCCESS if the function completed without error. /// /// @return COI_INVALID_HANDLE if the in_EngineHandle handle is not valid. /// /// @return COI_SIZE_MISMATCH if in_EngineInfoSize does not match any current /// or previous COI_ENGINE_INFO structure sizes. /// /// @return COI_INVALID_POINTER if the out_pEngineInfo pointer is NULL. /// COIACCESSAPI COIRESULT COIEngineGetInfo( COIENGINE in_EngineHandle, uint32_t in_EngineInfoSize, COI_ENGINE_INFO* out_pEngineInfo); /////////////////////////////////////////////////////////////////////////////// /// /// Returns the number of engines in the system that match the provided ISA. /// /// Note that while it is possible to enumerate different types of Intel(r) /// Xeon Phi(tm) coprocessors on a single host this is not currently /// supported. Intel® Coprocessor Offload Infrastructure (Intel® COI) makes an assumption that all Intel(r) Xeon Phi(tm) /// coprocessors found in the system are the same architecture as the first /// coprocessor device. /// /// Also, note that this function returns the number of engines that Intel® Coprocessor Offload Infrastructure (Intel® COI) /// is able to detect. Not all of them may be online. /// /// @param in_ISA /// [in] Specifies the ISA type of the engine requested. /// /// @param out_pNumEngines /// [out] The number of engines available. This can be used to index /// into the engines using COIEngineGetHandle(). /// /// @return COI_SUCCESS if the function completed without error. /// /// @return COI_DOES_NOT_EXIST if the in_ISA parameter is not valid. /// /// @return COI_INVALID_POINTER if the out_pNumEngines parameter is NULL. /// COIACCESSAPI COIRESULT COIEngineGetCount( COI_ISA_TYPE in_ISA, uint32_t* out_pNumEngines); /////////////////////////////////////////////////////////////////////////////// /// /// Returns the handle of a user specified engine. /// /// @param in_ISA /// [in] Specifies the ISA type of the engine requested. /// /// @param in_EngineIndex /// [in] A unsigned integer which specifies the zero-based position of /// the engine in a collection of engines. The makeup of this /// collection is defined by the in_ISA parameter. /// /// @param out_pEngineHandle /// [out] The address of an COIENGINE handle. /// /// @return COI_SUCCESS if the function completed without error. /// /// @return COI_DOES_NOT_EXIST if the in_ISA parameter is not valid. /// /// @return COI_OUT_OF_RANGE if in_EngineIndex is greater than or equal to /// the number of engines that match the in_ISA parameter. /// /// @return COI_INVALID_POINTER if the out_pEngineHandle parameter is NULL. /// /// @return COI_VERSION_MISMATCH if the version of Intel® Coprocessor Offload Infrastructure (Intel® COI) on the host is not /// compatible with the version on the device. /// /// @return COI_NOT_INITIALIZED if the engine requested exists but is offline. /// COIACCESSAPI COIRESULT COIEngineGetHandle( COI_ISA_TYPE in_ISA, uint32_t in_EngineIndex, COIENGINE* out_pEngineHandle); #ifdef __cplusplus } /* extern "C" */ #endif #endif /* _COIENGINE_SOURCE_H */ /*! @} */