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 CeedFree(void *p); 45 46 #define CeedChk(ierr) do { if (ierr) return ierr; } while (0) 47 /* Note that CeedMalloc and CeedCalloc will, generally, return pointers with 48 different memory alignments: CeedMalloc returns pointers aligned at 49 CEED_ALIGN bytes, while CeedCalloc uses the alignment of calloc. */ 50 #define CeedMalloc(n, p) CeedMallocArray((n), sizeof(**(p)), p) 51 #define CeedCalloc(n, p) CeedCallocArray((n), sizeof(**(p)), p) 52 53 void CeedDebug(const char *,...); 54 55 struct CeedVector_private { 56 Ceed ceed; 57 int (*SetArray)(CeedVector, CeedMemType, CeedCopyMode, CeedScalar *); 58 int (*GetArray)(CeedVector, CeedMemType, CeedScalar **); 59 int (*GetArrayRead)(CeedVector, CeedMemType, const CeedScalar **); 60 int (*RestoreArray)(CeedVector, CeedScalar **); 61 int (*RestoreArrayRead)(CeedVector, const CeedScalar **); 62 int (*Destroy)(CeedVector); 63 CeedInt length; 64 void *data; 65 }; 66 67 struct CeedElemRestriction_private { 68 Ceed ceed; 69 int (*Apply)(CeedElemRestriction, CeedTransposeMode, CeedInt, CeedTransposeMode, 70 CeedVector, CeedVector, CeedRequest *); 71 int (*Destroy)(CeedElemRestriction); 72 CeedInt nelem; /* number of elements */ 73 CeedInt elemsize; /* number of dofs per element */ 74 CeedInt ndof; /* size of the L-vector, can be used for checking for 75 correct vector sizes */ 76 void *data; /* place for the backend to store any data */ 77 }; 78 79 struct CeedBasis_private { 80 Ceed ceed; 81 int (*Apply)(CeedBasis, CeedTransposeMode, CeedEvalMode, const CeedScalar *, 82 CeedScalar *); 83 int (*Destroy)(CeedBasis); 84 CeedInt dim; 85 CeedInt ndof; 86 CeedInt P1d; 87 CeedInt Q1d; 88 CeedScalar *qref1d; 89 CeedScalar *qweight1d; 90 CeedScalar *interp1d; 91 CeedScalar *grad1d; 92 }; 93 94 /* FIXME: The number of in-fields and out-fields may be different? */ 95 /* FIXME: Shouldn't inmode and outmode be per-in-field and per-out-field, 96 respectively? */ 97 struct CeedQFunction_private { 98 Ceed ceed; 99 int (*Apply)(CeedQFunction, void *, CeedInt, const CeedScalar *const *, 100 CeedScalar *const *); 101 int (*Destroy)(CeedQFunction); 102 CeedInt vlength; // Number of quadrature points must be padded to a multiple of vlength 103 CeedInt nfields; 104 size_t qdatasize; // Number of bytes of qdata per quadrature point 105 CeedEvalMode inmode, outmode; 106 int (*function)(void *, void *, CeedInt, const CeedScalar *const *, 107 CeedScalar *const *); 108 const char *focca; 109 void *ctx; /* user context for function */ 110 size_t ctxsize; /* size of user context; may be used to copy to a device */ 111 void *data; /* backend data */ 112 }; 113 114 struct CeedOperator_private { 115 Ceed ceed; 116 int (*Apply)(CeedOperator, CeedVector, CeedVector, CeedVector, CeedRequest *); 117 int (*ApplyJacobian)(CeedOperator, CeedVector, CeedVector, CeedVector, 118 CeedVector, CeedRequest *); 119 int (*GetQData)(CeedOperator, CeedVector *); 120 int (*Destroy)(CeedOperator); 121 CeedElemRestriction Erestrict; 122 CeedBasis basis; 123 CeedQFunction qf; 124 CeedQFunction dqf; 125 CeedQFunction dqfT; 126 void *data; 127 }; 128 129 #endif 130