diff options
Diffstat (limited to 'src/H5Oprivate.h')
| -rw-r--r-- | src/H5Oprivate.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/H5Oprivate.h b/src/H5Oprivate.h index e117b8a..46845a3 100644 --- a/src/H5Oprivate.h +++ b/src/H5Oprivate.h @@ -367,6 +367,12 @@ typedef struct H5O_efl_t { */ #define H5O_LAYOUT_NDIMS (H5S_MAX_RANK+1) +/* Flags for chunked layout feature encoding */ +#define H5O_LAYOUT_CHUNK_DONT_FILTER_PARTIAL_BOUND_CHUNKS 0x01 +#define H5O_LAYOUT_ALL_CHUNK_FLAGS ( \ + H5O_LAYOUT_CHUNK_DONT_FILTER_PARTIAL_BOUND_CHUNKS \ + ) + /* Initial version of the layout information. Used when space is allocated */ #define H5O_LAYOUT_VERSION_1 1 @@ -410,12 +416,39 @@ typedef struct H5O_storage_chunk_btree_t { H5UC_t *shared; /* Ref-counted shared info for B-tree nodes */ } H5O_storage_chunk_btree_t; +/* Forward declaration of structs used below */ +struct H5FA_t; /* Defined in H5FAprivate.h */ + +typedef struct H5O_storage_chunk_farray_t { + haddr_t dset_ohdr_addr; /* File address dataset's object header */ + struct H5FA_t *fa; /* Pointer to fixed index array struct */ +} H5O_storage_chunk_farray_t; + +/* Forward declaration of structs used below */ +struct H5EA_t; /* Defined in H5EAprivate.h */ + +typedef struct H5O_storage_chunk_earray_t { + haddr_t dset_ohdr_addr; /* File address dataset's object header */ + struct H5EA_t *ea; /* Pointer to extensible index array struct */ +} H5O_storage_chunk_earray_t; + +/* Forward declaration of structs used below */ +struct H5B2_t; /* Defined in H5B2pkg.h */ + +typedef struct H5O_storage_chunk_bt2_t { + haddr_t dset_ohdr_addr; /* File address dataset's object header */ + struct H5B2_t *bt2; /* Pointer to b-tree 2 struct */ +} H5O_storage_chunk_bt2_t; + typedef struct H5O_storage_chunk_t { H5D_chunk_index_t idx_type; /* Type of chunk index */ haddr_t idx_addr; /* File address of chunk index */ const struct H5D_chunk_ops_t *ops; /* Pointer to chunked storage operations */ union { H5O_storage_chunk_btree_t btree; /* Information for v1 B-tree index */ + H5O_storage_chunk_bt2_t btree2; /* Information for v2 B-tree index */ + H5O_storage_chunk_earray_t earray; /* Information for extensible array index */ + H5O_storage_chunk_farray_t farray; /* Information for fixed array index */ } u; } H5O_storage_chunk_t; @@ -510,7 +543,42 @@ typedef struct H5O_storage_t { } u; } H5O_storage_t; +typedef struct H5O_layout_chunk_farray_t { + /* Creation parameters for fixed array data structure */ + struct { + uint8_t max_dblk_page_nelmts_bits; /* Log2(Max. # of elements in a data block page) - + i.e. # of bits needed to store max. # of elements + in a data block page */ + } cparam; +} H5O_layout_chunk_farray_t; + +typedef struct H5O_layout_chunk_earray_t { + /* Creation parameters for extensible array data structure */ + struct { + uint8_t max_nelmts_bits; /* Log2(Max. # of elements in array) - i.e. # of bits needed to store max. # of elements */ + uint8_t idx_blk_elmts; /* # of elements to store in index block */ + uint8_t data_blk_min_elmts; /* Min. # of elements per data block */ + uint8_t sup_blk_min_data_ptrs; /* Min. # of data block pointers for a super block */ + uint8_t max_dblk_page_nelmts_bits; /* Log2(Max. # of elements in data block page) - i.e. # of bits needed to store max. # of elements in data block page */ + } cparam; + + unsigned unlim_dim; /* Rank of unlimited dimension for dataset */ + uint32_t swizzled_dim[H5O_LAYOUT_NDIMS]; /* swizzled chunk dimensions */ + hsize_t swizzled_down_chunks[H5O_LAYOUT_NDIMS]; /* swizzled "down" size of number of chunks in each dimension */ +} H5O_layout_chunk_earray_t; + +typedef struct H5O_layout_chunk_bt2_t { + /* Creation parameters for v2 B-tree data structure */ + struct { + uint32_t node_size; /* Size of each node (in bytes) */ + uint8_t split_percent; /* % full to split nodes */ + uint8_t merge_percent; /* % full to merge nodes */ + } cparam; +} H5O_layout_chunk_bt2_t; + typedef struct H5O_layout_chunk_t { + H5D_chunk_index_t idx_type; /* Type of chunk index */ + uint8_t flags; /* Chunk layout flags */ unsigned ndims; /* Num dimensions in chunk */ uint32_t dim[H5O_LAYOUT_NDIMS]; /* Size of chunk in elements */ unsigned enc_bytes_per_dim; /* Encoded # of bytes for storing each chunk dimension */ @@ -521,6 +589,11 @@ typedef struct H5O_layout_chunk_t { hsize_t max_chunks[H5O_LAYOUT_NDIMS]; /* # of chunks in each dataset's max. dimension */ hsize_t down_chunks[H5O_LAYOUT_NDIMS]; /* "down" size of number of chunks in each dimension */ hsize_t max_down_chunks[H5O_LAYOUT_NDIMS]; /* "down" size of number of chunks in each max dim */ + union { + H5O_layout_chunk_farray_t farray; /* Information for fixed array index */ + H5O_layout_chunk_earray_t earray; /* Information for extensible array index */ + H5O_layout_chunk_bt2_t btree2; /* Information for v2 B-tree index */ + } u; } H5O_layout_chunk_t; typedef struct H5O_layout_t { |