Data helper functions

A collection of helper function to help manipulating nm_data. More...

Functions
static void	nm_data_traversal_op_apply (const struct nm_data_s *p_data, struct nm_data_op_s *p_op)
static void	nm_data_traversal_apply (const struct nm_data_s *p_data, nm_data_apply_t p_apply, void *_context)
	helper function to apply iterator to data
void	nm_data_chunk_extractor_op_traversal (const struct nm_data_s *p_data, nm_len_t chunk_offset, nm_len_t chunk_len, struct nm_data_op_s *p_op)
void	nm_data_chunk_extractor_traversal (const struct nm_data_s *p_data, nm_len_t chunk_offset, nm_len_t chunk_len, nm_data_apply_t p_apply, void *p_apply_context)
static const struct nm_data_properties_s *	nm_data_properties_get (const struct nm_data_s *p_data)
	returns the properties block for the data
static nm_len_t	nm_data_size (const struct nm_data_s *p_data)
	returns the amount of data contained in the descriptor
void *	nm_data_baseptr_get (const struct nm_data_s *p_data)
	find base pointer for a data known to be contiguous
void *	nm_data_chunk_baseptr_get (const struct nm_data_s *p_data, nm_len_t chunk_offset, nm_len_t chunk_len)
	find base pointer for a data chunk known to be contiguous
void	nm_data_chunk_properties_compute (const struct nm_data_s *p_data, nm_len_t chunk_offset, nm_len_t chunk_len, struct nm_data_properties_s *p_props)
	compute properties of the given chunk inside the data
nm_len_t	nm_data_chunk_first_get (const struct nm_data_s *p_data, nm_len_t chunk_offset, nm_len_t chunk_len, int n)
	get length of first n blocks in given chunk
uint32_t	nm_data_checksum (const struct nm_data_s *p_data)
	checksum data
void	nm_data_copy_from (const struct nm_data_s *p_data, nm_len_t offset, nm_len_t len, void *destbuf)
	copy chunk of data from user layout to contiguous buffer
void	nm_data_copy_to (const struct nm_data_s *p_data, nm_len_t offset, nm_len_t len, const void *srcbuf)
	copy chunk of data from contiguous buffer to user layout
void	nm_data_copy (struct nm_data_s *p_dest, struct nm_data_s *p_from)
	copy from nm_data to another nm_data

Detailed Description

A collection of helper function to help manipulating nm_data.

Function Documentation

nm_data_baseptr_get()

void * nm_data_baseptr_get

(

const struct nm_data_s *

p_data

)

find base pointer for a data known to be contiguous

nm_data_checksum()

uint32_t nm_data_checksum

(

const struct nm_data_s *

p_data

)

checksum data

nm_data_chunk_baseptr_get()

void * nm_data_chunk_baseptr_get	(	const struct nm_data_s *	p_data,
		nm_len_t	chunk_offset,
		nm_len_t	chunk_len
	)

find base pointer for a data chunk known to be contiguous

nm_data_chunk_extractor_op_traversal()

void nm_data_chunk_extractor_op_traversal	(	const struct nm_data_s *	p_data,
		nm_len_t	chunk_offset,
		nm_len_t	chunk_len,
		struct nm_data_op_s *	p_op
	)

nm_data_chunk_extractor_traversal()

void nm_data_chunk_extractor_traversal	(	const struct nm_data_s *	p_data,
		nm_len_t	chunk_offset,
		nm_len_t	chunk_len,
		nm_data_apply_t	p_apply,
		void *	p_apply_context
	)

nm_data_chunk_first_get()

nm_len_t nm_data_chunk_first_get	(	const struct nm_data_s *	p_data,
		nm_len_t	chunk_offset,
		nm_len_t	chunk_len,
		int	n
	)

get length of first n blocks in given chunk

nm_data_chunk_properties_compute()

void nm_data_chunk_properties_compute	(	const struct nm_data_s *	p_data,
		nm_len_t	chunk_offset,
		nm_len_t	chunk_len,
		struct nm_data_properties_s *	p_props
	)

compute properties of the given chunk inside the data

Referenced by nm_minidriver_recv_pkt_build(), nm_minidriver_send_pkt_build(), nm_req_chunk_init(), and nm_req_chunk_update().

nm_data_copy()

void nm_data_copy	(	struct nm_data_s *	p_dest,
		struct nm_data_s *	p_from
	)

copy from nm_data to another nm_data

Referenced by nm_mpi_datatype_copy().

nm_data_copy_from()

void nm_data_copy_from	(	const struct nm_data_s *	p_data,
		nm_len_t	offset,
		nm_len_t	len,
		void *	destbuf
	)

copy chunk of data from user layout to contiguous buffer

Referenced by nm_mpi_datatype_pack().

nm_data_copy_to()

void nm_data_copy_to	(	const struct nm_data_s *	p_data,
		nm_len_t	offset,
		nm_len_t	len,
		const void *	srcbuf
	)

copy chunk of data from contiguous buffer to user layout

Referenced by nm_mpi_datatype_unpack().

nm_data_properties_get()

static const struct nm_data_properties_s * nm_data_properties_get ( const struct nm_data_s *  p_data )

inlinestatic

returns the properties block for the data

Definition at line 667 of file nm_data.h.

References p_data.

Referenced by nm_data_size().

nm_data_size()

static nm_len_t nm_data_size ( const struct nm_data_s *  p_data )

inlinestatic

returns the amount of data contained in the descriptor

Definition at line 673 of file nm_data.h.

References nm_data_properties_get(), p_data, and nm_data_properties_s::size.

Referenced by nm_datav_size(), nm_mpi_datatype_pack(), nm_mpi_datatype_unpack(), nm_rpc_recv_header_data(), and nm_sr_recv_peek().

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nm_data_traversal_apply()

static void nm_data_traversal_apply ( const struct nm_data_s *  p_data, nm_data_apply_t  p_apply, void *  _context  )

inlinestatic

helper function to apply iterator to data

Definition at line 651 of file nm_data.h.

References nm_data_op_s::context, nm_data_op_s::dynamic, nm_data_op_s::kind, NM_DATA_OP_DYNAMIC, nm_data_traversal_op_apply(), nm_data_op_context_dynamic_s::p_apply, nm_data_op_context_dynamic_s::p_apply_context, and p_data.

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nm_data_traversal_op_apply()

static void nm_data_traversal_op_apply ( const struct nm_data_s *  p_data, struct nm_data_op_s *  p_op  )

inlinestatic

Definition at line 643 of file nm_data.h.

References assert(), p_data, and p_op.

Referenced by nm_data_traversal_apply().

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