1 // Copyright (c) 2017, Lawrence Livermore National Security, LLC. Produced at 2 // the Lawrence Livermore National Laboratory. LLNL-CODE-734707. All Rights 3 // reserved. See files LICENSE and NOTICE for details. 4 // 5 // This file is part of CEED, a collection of benchmarks, miniapps, software 6 // libraries and APIs for efficient high-order finite element and spectral 7 // element discretizations for exascale applications. For more information and 8 // source code availability see http://github.com/ceed. 9 // 10 // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, 11 // a collaborative effort of two U.S. Department of Energy organizations (Office 12 // of Science and the National Nuclear Security Administration) responsible for 13 // the planning and preparation of a capable exascale ecosystem, including 14 // software, applications, hardware, advanced system engineering and early 15 // testbed platforms, in support of the nation's exascale computing imperative. 16 17 #ifndef _ceed_impl_h 18 #define _ceed_impl_h 19 20 #include <ceed.h> 21 22 #define CEED_INTERN CEED_EXTERN __attribute__((visibility ("hidden"))) 23 24 #define CEED_MAX_RESOURCE_LEN 1024 25 #define CEED_ALIGN 64 26 27 struct Ceed_private { 28 int (*Error)(Ceed, const char *, int, const char *, int, const char *, va_list); 29 int (*Destroy)(Ceed); 30 int (*VecCreate)(Ceed, CeedInt, CeedVector); 31 int (*ElemRestrictionCreate)(CeedElemRestriction, CeedMemType, CeedCopyMode, 32 const CeedInt *); 33 int (*BasisCreateTensorH1)(Ceed, CeedInt, CeedInt, CeedInt, const CeedScalar *, 34 const CeedScalar *, const CeedScalar *, const CeedScalar *, CeedBasis); 35 int (*QFunctionCreate)(CeedQFunction); 36 int (*OperatorCreate)(CeedOperator); 37 void *data; 38 }; 39 40 /* In the next 3 functions, p has to be the address of a pointer type, i.e. p 41 has to be a pointer to a pointer. */ 42 CEED_INTERN int CeedMallocArray(size_t n, size_t unit, void *p); 43 CEED_INTERN int CeedCallocArray(size_t n, size_t unit, void *p); 44 CEED_INTERN int CeedReallocArray(size_t n, size_t unit, void *p); 45 CEED_INTERN int CeedFree(void *p); 46 47 #define CeedChk(ierr) do { if (ierr) return ierr; } while (0) 48 /* Note that CeedMalloc and CeedCalloc will, generally, return pointers with 49 different memory alignments: CeedMalloc returns pointers aligned at 50 CEED_ALIGN bytes, while CeedCalloc uses the alignment of calloc. */ 51 #define CeedMalloc(n, p) CeedMallocArray((n), sizeof(**(p)), p) 52 #define CeedCalloc(n, p) CeedCallocArray((n), sizeof(**(p)), p) 53 #define CeedRealloc(n, p) CeedReallocArray((n), sizeof(**(p)), p) 54 55 // CEED_DEBUG_COLOR default value, forward CeedDebug* declarations & dbg macros 56 #ifndef CEED_DEBUG_COLOR 57 #define CEED_DEBUG_COLOR 0 58 #endif 59 extern CeedInt ceed_debug; 60 CEED_INTERN void CeedDebugImpl(const char*,...); 61 CEED_INTERN void CeedDebugImpl256(const unsigned char,const char*,...); 62 #define CeedDebug(format, ...) CeedDebugImpl (format, ## __VA_ARGS__) 63 #define CeedDebug256(color, ...) CeedDebugImpl256(color, ## __VA_ARGS__) 64 // Generic selection, but since C11; if not acceptable, uncomment dbg CeedDebug 65 #define cdbg(c,...) _Generic((c), \ 66 unsigned char: CeedDebugImpl256, \ 67 default: CeedDebugImpl)(c,## __VA_ARGS__) 68 #define dbg(...) cdbg((unsigned char)CEED_DEBUG_COLOR, ## __VA_ARGS__) 69 //#define dbg CeedDebug 70 71 struct CeedVector_private { 72 Ceed ceed; 73 int (*SetArray)(CeedVector, CeedMemType, CeedCopyMode, CeedScalar *); 74 int (*GetArray)(CeedVector, CeedMemType, CeedScalar **); 75 int (*GetArrayRead)(CeedVector, CeedMemType, const CeedScalar **); 76 int (*RestoreArray)(CeedVector, CeedScalar **); 77 int (*RestoreArrayRead)(CeedVector, const CeedScalar **); 78 int (*Destroy)(CeedVector); 79 CeedInt length; 80 void *data; 81 }; 82 83 struct CeedElemRestriction_private { 84 Ceed ceed; 85 int (*Apply)(CeedElemRestriction, CeedTransposeMode, CeedInt, CeedTransposeMode, 86 CeedVector, CeedVector, CeedRequest *); 87 int (*Destroy)(CeedElemRestriction); 88 CeedInt nelem; /* number of elements */ 89 CeedInt elemsize; /* number of dofs per element */ 90 CeedInt ndof; /* size of the L-vector, can be used for checking for 91 correct vector sizes */ 92 void *data; /* place for the backend to store any data */ 93 }; 94 95 struct CeedBasis_private { 96 Ceed ceed; 97 int (*Apply)(CeedBasis, CeedTransposeMode, CeedEvalMode, const CeedScalar *, 98 CeedScalar *); 99 int (*Destroy)(CeedBasis); 100 CeedInt dim; 101 CeedInt ndof; 102 CeedInt P1d; 103 CeedInt Q1d; 104 CeedScalar *qref1d; 105 CeedScalar *qweight1d; 106 CeedScalar *interp1d; 107 CeedScalar *grad1d; 108 void *data; /* place for the backend to store any data */ 109 }; 110 111 /* FIXME: The number of in-fields and out-fields may be different? */ 112 /* FIXME: Shouldn't inmode and outmode be per-in-field and per-out-field, 113 respectively? */ 114 struct CeedQFunction_private { 115 Ceed ceed; 116 int (*Apply)(CeedQFunction, void *, CeedInt, const CeedScalar *const *, 117 CeedScalar *const *); 118 int (*Destroy)(CeedQFunction); 119 CeedInt vlength; // Number of quadrature points must be padded to a multiple of vlength 120 CeedInt nfields; 121 size_t qdatasize; // Number of bytes of qdata per quadrature point 122 CeedEvalMode inmode, outmode; 123 int (*function)(void *, void *, CeedInt, const CeedScalar *const *, 124 CeedScalar *const *); 125 const char *focca; 126 void *ctx; /* user context for function */ 127 size_t ctxsize; /* size of user context; may be used to copy to a device */ 128 void *data; /* backend data */ 129 }; 130 131 struct CeedOperator_private { 132 Ceed ceed; 133 int (*Apply)(CeedOperator, CeedVector, CeedVector, CeedVector, CeedRequest *); 134 int (*ApplyJacobian)(CeedOperator, CeedVector, CeedVector, CeedVector, 135 CeedVector, CeedRequest *); 136 int (*GetQData)(CeedOperator, CeedVector *); 137 int (*Destroy)(CeedOperator); 138 CeedElemRestriction Erestrict; 139 CeedBasis basis; 140 CeedQFunction qf; 141 CeedQFunction dqf; 142 CeedQFunction dqfT; 143 void *data; 144 }; 145 146 #endif 147