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 #include <stdbool.h> 22 23 #define CEED_INTERN CEED_EXTERN __attribute__((visibility ("hidden"))) 24 25 #define CEED_MAX_RESOURCE_LEN 1024 26 #define CEED_ALIGN 64 27 28 struct Ceed_private { 29 Ceed delegate; 30 int (*Error)(Ceed, const char *, int, const char *, int, const char *, va_list); 31 int (*Destroy)(Ceed); 32 int (*VecCreate)(CeedInt, CeedVector); 33 int (*ElemRestrictionCreate)(CeedMemType, CeedCopyMode, 34 const CeedInt *, CeedElemRestriction); 35 int (*ElemRestrictionCreateBlocked)(CeedMemType, CeedCopyMode, 36 const CeedInt *, CeedElemRestriction); 37 int (*BasisCreateTensorH1)(CeedInt, CeedInt, CeedInt, const CeedScalar *, 38 const CeedScalar *, const CeedScalar *, const CeedScalar *, CeedBasis); 39 int (*BasisCreateH1)(CeedElemTopology, CeedInt, CeedInt, CeedInt, 40 const CeedScalar *, 41 const CeedScalar *, const CeedScalar *, const CeedScalar *, CeedBasis); 42 int (*QFunctionCreate)(CeedQFunction); 43 int (*OperatorCreate)(CeedOperator); 44 int refcount; 45 void *data; 46 }; 47 48 struct CeedVector_private { 49 Ceed ceed; 50 int (*SetArray)(CeedVector, CeedMemType, CeedCopyMode, CeedScalar *); 51 int (*SetValue)(CeedVector, CeedScalar); 52 int (*GetArray)(CeedVector, CeedMemType, CeedScalar **); 53 int (*GetArrayRead)(CeedVector, CeedMemType, const CeedScalar **); 54 int (*RestoreArray)(CeedVector, CeedScalar **); 55 int (*RestoreArrayRead)(CeedVector, const CeedScalar **); 56 int (*Destroy)(CeedVector); 57 int refcount; 58 CeedInt length; 59 uint64_t state; 60 void *data; 61 }; 62 63 struct CeedElemRestriction_private { 64 Ceed ceed; 65 int (*Apply)(CeedElemRestriction, CeedTransposeMode, CeedTransposeMode, 66 CeedVector, CeedVector, CeedRequest *); 67 int (*Destroy)(CeedElemRestriction); 68 int refcount; 69 CeedInt nelem; /* number of elements */ 70 CeedInt elemsize; /* number of dofs per element */ 71 CeedInt ndof; /* size of the L-vector, can be used for checking for 72 correct vector sizes */ 73 CeedInt ncomp; /* number of components */ 74 CeedInt blksize; /* number of elements in a batch */ 75 CeedInt nblk; /* number of blocks of elements */ 76 void *data; /* place for the backend to store any data */ 77 }; 78 79 struct CeedBasis_private { 80 Ceed ceed; 81 int (*Apply)(CeedBasis, CeedInt, CeedTransposeMode, CeedEvalMode, 82 const CeedScalar *, 83 CeedScalar *); 84 int (*Destroy)(CeedBasis); 85 int refcount; 86 bool tensorbasis; /* flag for tensor basis */ 87 CeedInt dim; /* topological dimension */ 88 CeedInt ncomp; /* number of field components (1 for scalar fields) */ 89 CeedInt P1d; /* number of nodes in one dimension */ 90 CeedInt Q1d; /* number of quadrature points in one dimension */ 91 CeedInt P; /* total number of nodes */ 92 CeedInt Q; /* total number of quadrature points */ 93 CeedScalar *qref1d; /* Array of length Q1d holding the locations of 94 quadrature points on the 1D reference element [-1, 1] */ 95 CeedScalar *qweight1d; /* array of length Q1d holding the quadrature weights on 96 the reference element */ 97 CeedScalar 98 *interp1d; /* row-major matrix of shape [Q1d, P1d] expressing the values of 99 nodal basis functions at quadrature points */ 100 CeedScalar 101 *grad1d; /* row-major matrix of shape [Q1d, P1d] matrix expressing derivatives of 102 nodal basis functions at quadrature points */ 103 void *data; /* place for the backend to store any data */ 104 }; 105 106 struct CeedQFunctionField { 107 const char *fieldname; 108 CeedInt ncomp; 109 CeedEvalMode emode; 110 }; 111 112 struct CeedQFunction_private { 113 Ceed ceed; 114 int (*Apply)(CeedQFunction, CeedInt, const CeedScalar *const *, 115 CeedScalar *const *); 116 int (*Destroy)(CeedQFunction); 117 int refcount; 118 CeedInt vlength; // Number of quadrature points must be padded to a multiple of vlength 119 struct CeedQFunctionField inputfields[16]; 120 struct CeedQFunctionField outputfields[16]; 121 CeedInt numinputfields, numoutputfields; 122 int (*function)(void*, CeedInt, const CeedScalar *const*, CeedScalar *const*); 123 const char *focca; 124 void *ctx; /* user context for function */ 125 size_t ctxsize; /* size of user context; may be used to copy to a device */ 126 void *data; /* backend data */ 127 }; 128 129 struct CeedOperatorField { 130 CeedElemRestriction Erestrict; /// Restriction from L-vector or NULL if identity 131 CeedBasis basis; /// Basis or NULL for collocated fields 132 CeedVector 133 vec; /// State vector for passive fields, NULL for active fields 134 }; 135 136 struct CeedOperator_private { 137 Ceed ceed; 138 int refcount; 139 int (*Apply)(CeedOperator, CeedVector, CeedVector, CeedRequest *); 140 int (*ApplyJacobian)(CeedOperator, CeedVector, CeedVector, CeedVector, 141 CeedVector, CeedRequest *); 142 int (*GetQData)(CeedOperator, CeedVector *); 143 int (*Destroy)(CeedOperator); 144 struct CeedOperatorField inputfields[16]; 145 struct CeedOperatorField outputfields[16]; 146 CeedInt numelements; /// Number of elements 147 CeedInt numqpoints; /// Number of quadrature points over all elements 148 CeedInt nfields; /// Number of fields that have been set 149 CeedQFunction qf; 150 CeedQFunction dqf; 151 CeedQFunction dqfT; 152 bool setupdone; 153 void *data; 154 }; 155 156 CEED_INTERN int CeedErrorReturn(Ceed, const char *, int, const char *, int, 157 const char *, va_list); 158 CEED_INTERN int CeedErrorAbort(Ceed, const char *, int, const char *, int, 159 const char *, va_list); 160 CEED_INTERN int CeedErrorExit(Ceed, const char *, int, const char *, int, 161 const char *, va_list); 162 CEED_INTERN int CeedSetErrorHandler(Ceed ceed, 163 int (eh)(Ceed, const char *, int, const char *, 164 int, const char *, va_list)); 165 166 #endif 167