| /*============================================================================== |
| Copyright(c) 2017 Intel Corporation |
| |
| Permission is hereby granted, free of charge, to any person obtaining a |
| copy of this software and associated documentation files(the "Software"), |
| to deal in the Software without restriction, including without limitation |
| the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| and / or sell copies of the Software, and to permit persons to whom the |
| Software is furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included |
| in all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| OTHER DEALINGS IN THE SOFTWARE. |
| ============================================================================*/ |
| |
| // This header file describes the GT system info data structure and associated |
| // types and constants. It is for use by both producers and consumers of GT |
| // system info on all OS. |
| |
| #ifndef __GT_SYS_INFO_H__ |
| #define __GT_SYS_INFO_H__ |
| |
| #include <stdbool.h> |
| #include <stdint.h> |
| |
| #pragma pack(push,1) |
| |
| // Maximums which bound all supported GT |
| #define GT_MAX_SLICE (4) |
| #define GT_MAX_SUBSLICE_PER_SLICE (8) |
| #define GT_MAX_SUBSLICE_PER_DSS (2) // Currently max value based on Gen12 |
| #define GT_MAX_DUALSUBSLICE_PER_SLICE (6) // Currently max value based on Gen12LP |
| |
| typedef struct GT_SUBSLICE_INFO |
| { |
| bool Enabled; // determine if this SS is enabled. |
| uint32_t EuEnabledCount; // Total Count of EU enabled on this SubSlice |
| uint32_t EuEnabledMask; // Mask of EUs enabled on this SubSlice |
| } GT_SUBSLICE_INFO; |
| |
| typedef struct GT_DUALSUBSLICE_INFO |
| { |
| bool Enabled; // Bool to determine if this SS is enabled. |
| GT_SUBSLICE_INFO SubSlice[GT_MAX_SUBSLICE_PER_DSS]; // SS details that belong to this DualSubSlice. |
| } GT_DUALSUBSLICE_INFO; |
| |
| typedef struct GT_SLICE_INFO |
| { |
| bool Enabled; // determine if this slice is enabled. |
| GT_SUBSLICE_INFO SubSliceInfo[GT_MAX_SUBSLICE_PER_SLICE]; // SS details that belong to this slice. |
| GT_DUALSUBSLICE_INFO DSSInfo[GT_MAX_DUALSUBSLICE_PER_SLICE]; // DSS details that belong to this slice. |
| uint32_t SubSliceEnabledCount; // No. of SS enabled in this slice |
| uint32_t DualSubSliceEnabledCount; // No. of DSS enabled in this slice |
| } GT_SLICE_INFO; |
| |
| typedef struct GT_VEBOX_INFO |
| { |
| union VEBoxInstances |
| { |
| struct VEBitStruct |
| { |
| uint32_t VEBox0Enabled : 1; // To determine if VEBox0 is enabled |
| uint32_t VEBox1Enabled : 1; // To determine if VEBox1 is enabled |
| uint32_t Reserved : 30; // Reserved bits |
| } Bits; |
| |
| uint32_t VEBoxEnableMask; // Union for all VEBox instances. It can be used to know if any of the VEBOX is enabled. |
| |
| } Instances; |
| |
| union |
| { |
| struct |
| { |
| uint32_t VEBox0 : 1; // Set if VEBox0 supports SFC |
| uint32_t VEBox1 : 2; // Set if VEBox1 supports SFC |
| uint32_t Reserved : 30; // Reserved bits |
| }SfcSupportedBits; |
| |
| uint32_t Value; |
| |
| } SFCSupport; // VEBOX support of Scalar & Format Converter; |
| |
| uint32_t NumberOfVEBoxEnabled; // Number of bits set among bit 0-3 of VEBoxEnableMask; used on CNL |
| |
| bool IsValid; // flag to check if VEBoxInfo is valid. |
| |
| } GT_VEBOX_INFO; |
| |
| typedef struct GT_VDBOX_INFO |
| { |
| union VDBoxInstances |
| { |
| struct VDBitStruct |
| { |
| uint32_t VDBox0Enabled : 1; // To determine if VDBox0 is enabled |
| uint32_t VDBox1Enabled : 1; // To determine if VDBox1 is enabled |
| uint32_t VDBox2Enabled : 1; // To determine if VDBox2 is enabled |
| uint32_t Reserved : 29; // Reserved bits |
| } Bits; |
| |
| uint32_t VDBoxEnableMask; // Union for all VDBox instances. It can be used to know if any of the VDBOX is enabled. |
| |
| } Instances; |
| |
| union |
| { |
| struct |
| { |
| uint32_t VDBox0 : 1; // Set if VDBox0 supports SFC |
| uint32_t VDBox1 : 1; // Set if VDBox1 supports SFC |
| uint32_t VDBox2 : 1; // Set if VDBox2 supports SFC |
| uint32_t Reserved : 29; // Reserved bits |
| }SfcSupportedBits; |
| |
| uint32_t Value; |
| |
| } SFCSupport; // VDBOX support of Scalar & Format Converter; |
| |
| uint32_t NumberOfVDBoxEnabled; // Number of bits set among bit 0-7 of VDBoxEnableMask; |
| |
| bool IsValid; // flag to check if VDBoxInfo is valid. |
| |
| } GT_VDBOX_INFO; |
| typedef struct GT_CCS_INFO |
| { |
| union CCSInstances |
| { |
| struct CCSBitStruct |
| { |
| uint32_t CCS0Enabled : 1; // To determine if CCS0 is enabled |
| uint32_t Reserved : 31; // Reserved bits |
| } Bits; |
| |
| uint32_t CCSEnableMask; // Union for all CCS instances. It can be used to know which CCS is enabled. |
| |
| } Instances; |
| |
| uint32_t NumberOfCCSEnabled; // Number of bits set among bit 0-3 of CCSEnableMask; |
| |
| bool IsValid; // flag to check if CCSInfo is valid. |
| |
| } GT_CCS_INFO; |
| |
| typedef struct GT_MULTI_TILE_ARCH_INFO |
| { |
| // Total Count of Tiles enabled |
| uint8_t TileCount; |
| |
| // Mask of all enabled Tiles |
| union |
| { |
| struct |
| { |
| uint8_t Tile0 : 1; |
| uint8_t Tile1 : 1; |
| uint8_t Tile2 : 1; |
| uint8_t Tile3 : 1; |
| uint8_t Reserved : 4; |
| }; |
| |
| uint8_t TileMask; |
| }; |
| |
| // flag to check if MultiTileArchInfo has valid data or not |
| bool IsValid; |
| |
| } GT_MULTI_TILE_ARCH_INFO; |
| |
| typedef struct GT_SQIDI_INFO |
| { |
| uint32_t NumberofSQIDI; // Total no. of enabled SQIDIs. |
| uint32_t NumberofDoorbellPerSQIDI; // Total no. of doorbells available per SQIDI unit |
| }GT_SQIDI_INFO; |
| |
| typedef union _GT_CACHE_TYPES |
| { |
| struct |
| { |
| uint32_t L3 : 1; |
| uint32_t LLC : 1; |
| uint32_t eDRAM : 1; |
| uint32_t Reserved : 29; |
| }; |
| |
| uint32_t CacheTypeMask; |
| |
| } GT_CACHE_TYPES; |
| |
| typedef struct GT_SYSTEM_INFO |
| { |
| // These fields should always hold valid values |
| uint32_t EUCount; // Total no. of enabled EUs |
| uint32_t ThreadCount; // total no of system threads available |
| uint32_t SliceCount; // Total no. of enabled slices |
| uint32_t SubSliceCount; // Total no. of enabled subslices |
| uint32_t DualSubSliceCount; // Total no. of enabled dualsubslices |
| uint64_t L3CacheSizeInKb; // Total L3 cache size in kilo bytes |
| uint64_t LLCCacheSizeInKb; // Total LLC cache size in kilo bytes |
| uint64_t EdramSizeInKb; // Total EDRAM size in kilo bytes |
| uint32_t L3BankCount; // Total L3 banks across all slices. This is not bank count per slice. |
| uint32_t MaxFillRate; // Fillrate with Alphablend (in Pix/Clk) |
| uint32_t EuCountPerPoolMax; // Max EU count per pool |
| uint32_t EuCountPerPoolMin; // Min EU count per pool |
| |
| uint32_t TotalVsThreads; // Total threads in VS |
| uint32_t TotalHsThreads; // Total threads in HS |
| uint32_t TotalDsThreads; // Total threads in DS |
| uint32_t TotalGsThreads; // Total threads in GS |
| uint32_t TotalPsThreadsWindowerRange; // Total threads in PS Windower Range |
| |
| uint32_t TotalVsThreads_Pocs; // Total threads in VS for POCS |
| |
| // Note: The CSR size requirement is not clear at this moment. Till then the driver will set |
| // the maximum size that should be sufficient for all platform SKUs. |
| uint32_t CsrSizeInMb; // Total size that driver needs to allocate for CSR. |
| |
| /*------------------------------------*/ |
| // Below fields are required for proper allocation of scratch/private space for threads execution. |
| // Threads scratch space has to be allocated based on native die config. So allocation has to be |
| // done even for unfused or non-enabled slices/subslices/EUs. Since H/W doesn't provide us a way to know |
| // about the native die config S/W will allocate based on max EU/S/SS. |
| uint32_t MaxEuPerSubSlice; // Max available EUs per sub-slice. |
| uint32_t MaxSlicesSupported; // Max slices this platfrom can have. |
| uint32_t MaxSubSlicesSupported; // Max total sub-slices this platform can have (not per slice) |
| uint32_t MaxDualSubSlicesSupported; // Max total dual sub-slices this platform can have (not per slice) |
| /*------------------------------------*/ |
| |
| // Flag to determine if hashing is enabled. If enabled then one of the L3 banks will be disabled. |
| // As a result 'L3BankCount' will be reduced by 1 bank during system info derivation routine. |
| // Note: Only expected only in CNL (limited SKUs). |
| bool IsL3HashModeEnabled; |
| |
| // VEBox/VDBox info |
| GT_VDBOX_INFO VDBoxInfo; // VDBoxInfo provides details(enabled/disabled) of all VDBox instances. |
| GT_VEBOX_INFO VEBoxInfo; // VEBoxInfo provides details(enabled/disabled) of all VEBox instances. |
| |
| // SliceInfo provides the detailed breakdown of the Slice/Subslice/EU configuration. It is useful |
| // for various WA that depend on the specific SSEU components enabled or disabled, but it is not |
| // considered critically important to driver function at this time and may not be validly populated |
| // on all platforms. IsDynamicallyPopulated indicates if SliceInfo has been validly populated. |
| // IsDynamicallyPopulated only applies to SliceInfo. |
| // TODO: Rename IsDynamicallyPopulated to something like SliceInfoIsValid to help clarify its |
| // purpose. At the moment we are constrained by USC not to make any changes to the GT System |
| // Info interface which require USC changes. USC currently references IsDynamicallyPopulated. |
| GT_SLICE_INFO SliceInfo[GT_MAX_SLICE]; |
| bool IsDynamicallyPopulated; |
| |
| //SqidiInfo provides the detailed information for number of SQIDIs supported in GT. |
| //It also provides total no. of doorbells available per SQIDI unit. |
| GT_SQIDI_INFO SqidiInfo; |
| |
| uint32_t ReservedCCSWays; // Reserved CCS ways provides value of reserved L3 ways for CCS when CCS is enabled. |
| // This is a hardcoded value as suggested by HW. No MMIO read is needed for same. |
| GT_CCS_INFO CCSInfo; // CCSInfo provides details(enabled/disabled) of all CCS instances. |
| GT_MULTI_TILE_ARCH_INFO MultiTileArchInfo; // MultiTileArchInfo provides details(enabled/disabled) of GT Tiles in case of Multi Tile Architecture SKUs |
| |
| uint32_t NumThreadsPerEu; // Number of threads per EU. |
| GT_CACHE_TYPES CacheTypes; // Types of caches available on system (L3/LLC/eDRAM). |
| uint32_t MaxVECS; // Max VECS instances. |
| } GT_SYSTEM_INFO, *PGT_SYSTEM_INFO; |
| |
| #pragma pack(pop) |
| |
| #endif //__GT_SYS_INFO_H__ |
