sst::resources_two_sided Class Reference

A public-facing version of the internal _resources class that extends it with functions that support two-sided sends and receives. More...

#include <lf.hpp>

Inheritance diagram for sst::resources_two_sided:

Collaboration diagram for sst::resources_two_sided:

Public Member Functions
	resources_two_sided (int r_id, char *write_addr, char *read_addr, int size_w, int size_r, int is_lf_server)
	constructor: simply forwards to _resources::_resources More...
void	post_two_sided_send (const long long int size)
void	post_two_sided_send (const long long int offset, long long int size)
	Post an RDMA write at an offset into remote memory. More...
void	post_two_sided_send_with_completion (struct lf_sender_ctxt *ctxt, const long long int size)
void	post_two_sided_send_with_completion (struct lf_sender_ctxt *ctxt, const long long int offset, const long long int size)
	Post an RDMA write at an offset into remote memory. More...
void	post_two_sided_receive (struct lf_sender_ctxt *ctxt, const long long int size)
void	post_two_sided_receive (struct lf_sender_ctxt *ctxt, const long long int offset, const long long int size)
	resources_two_sided (int r_index, char *write_addr, char *read_addr, int size_w, int size_r)
void	post_two_sided_send (const uint32_t id, const long long int size)
void	post_two_sided_send (const uint32_t id, const long long int offset, long long int size)
	Post an RDMA write at an offset into remote memory. More...
void	post_two_sided_send_with_completion (const uint32_t id, const long long int size)
void	post_two_sided_send_with_completion (const uint32_t id, const long long int offset, const long long int size)
	Post an RDMA write at an offset into remote memory. More...
void	post_two_sided_receive (const uint32_t id, const long long int size)
void	post_two_sided_receive (const uint32_t id, const long long int offset, const long long int size)
Public Member Functions inherited from sst::_resources
	_resources (int r_id, char *write_addr, char *read_addr, int size_w, int size_r, int is_lf_server)
	Constructor Initializes the resources. More...
virtual	~_resources ()
	Destroys the resources. More...
	_resources (int r_index, char *write_addr, char *read_addr, int size_w, int size_r)
	Constructor; initializes Queue Pair, Memory Regions, and remote_props. More...
virtual	~_resources ()
	Destroys the resources. More...

Private Member Functions
int	post_receive (struct lf_sender_ctxt *ctxt, const long long int offset, const long long int size)
int	post_receive (const uint32_t id, const long long int offset, const long long int size)

Additional Inherited Members
Public Attributes inherited from sst::_resources
int	remote_id
	ID of the remote node. More...
struct fid_ep *	ep
	tx/rx completion queue More...
struct fid_mr *	write_mr
	memory region for remote writer More...
struct fid_mr *	read_mr
	memory region for remote writer More...
char *	write_buf
	Pointer to the memory buffer used for local writes. More...
char *	read_buf
	Pointer to the memory buffer used for the results of RDMA remote reads. More...
uint64_t	mr_lrkey
	key for local read buffer More...
uint64_t	mr_lwkey
	key for local write buffer More...
uint64_t	mr_rwkey
	key for remote write buffer More...
fi_addr_t	remote_fi_addr
	remote write memory address More...
struct fid_eq *	eq
	the event queue More...
int	remote_index
	Index of the remote node. More...
struct ibv_qp *	qp
	Handle for the IB Verbs Queue Pair object. More...
struct ibv_mr *	write_mr
	Memory Region handle for the write buffer. More...
struct ibv_mr *	read_mr
	Memory Region handle for the read buffer. More...
struct cm_con_data_t	remote_props
	Connection data values needed to connect to remote side. More...
Protected Member Functions inherited from sst::_resources
int	post_remote_send (struct lf_sender_ctxt *ctxt, const long long int offset, const long long int size, const int op, const bool completion)
	post read/write request More...
int	post_remote_send (const uint32_t id, const long long int offset, const long long int size, const int op, const bool completion)
	Post a remote RDMA operation. More...

Detailed Description

A public-facing version of the internal _resources class that extends it with functions that support two-sided sends and receives.

Definition at line 144 of file lf.hpp.

Constructor & Destructor Documentation

resources_two_sided() [1/2]

sst::resources_two_sided::resources_two_sided ( int  r_id, char *  write_addr, char *  read_addr, int  size_w, int  size_r, int  is_lf_server  )

inline

constructor: simply forwards to _resources::_resources

Definition at line 149 of file lf.hpp.

resources_two_sided() [2/2]

sst::resources_two_sided::resources_two_sided	(	int	r_index,
		char *	write_addr,
		char *	read_addr,
		int	size_w,
		int	size_r
	)

Definition at line 418 of file verbs.cpp.

Member Function Documentation

post_receive() [1/2]

int sst::resources_two_sided::post_receive ( const uint32_t  id, const long long int  offset, const long long int  size  )

private

Definition at line 460 of file verbs.cpp.

post_receive() [2/2]

int sst::resources_two_sided::post_receive ( struct lf_sender_ctxt *  ctxt, const long long int  offset, const long long int  size  )

private

Definition at line 538 of file lf.cpp.

post_two_sided_receive() [1/4]

void sst::resources_two_sided::post_two_sided_receive	(	const uint32_t	id,
		const long long int	size
	)

Definition at line 482 of file verbs.cpp.

post_two_sided_receive() [2/4]

void sst::resources_two_sided::post_two_sided_receive	(	const uint32_t	id,
		const long long int	offset,
		const long long int	size
	)

Definition at line 489 of file verbs.cpp.

post_two_sided_receive() [3/4]

void sst::resources_two_sided::post_two_sided_receive	(	struct lf_sender_ctxt *	ctxt,
		const long long int	size
	)

Definition at line 524 of file lf.cpp.

post_two_sided_receive() [4/4]

void sst::resources_two_sided::post_two_sided_receive	(	struct lf_sender_ctxt *	ctxt,
		const long long int	offset,
		const long long int	size
	)

Definition at line 531 of file lf.cpp.

post_two_sided_send() [1/4]

void sst::resources_two_sided::post_two_sided_send	(	const uint32_t	id,
		const long long int	size
	)

Parameters

size	The number of bytes to write from the local buffer to remote memory.

Definition at line 426 of file verbs.cpp.

post_two_sided_send() [2/4]

void sst::resources_two_sided::post_two_sided_send	(	const uint32_t	id,
		const long long int	offset,
		long long int	size
	)

Post an RDMA write at an offset into remote memory.

Parameters

offset	The offset, in bytes, of the remote memory buffer at which to start writing.
size	The number of bytes to write from the local buffer into remote memory.

Definition at line 439 of file verbs.cpp.

post_two_sided_send() [3/4]

void sst::resources_two_sided::post_two_sided_send

(

const long long int

size

)

Parameters

size	The number of bytes to write from the local buffer to remote memory.

Definition at line 490 of file lf.cpp.

post_two_sided_send() [4/4]

void sst::resources_two_sided::post_two_sided_send	(	const long long int	offset,
		long long int	size
	)

Post an RDMA write at an offset into remote memory.

Parameters

offset	The offset, in bytes, of the remote memory buffer at which to start writing.
size	The number of bytes to write from the local buffer into remote memory.

Definition at line 503 of file lf.cpp.

post_two_sided_send_with_completion() [1/4]

void sst::resources_two_sided::post_two_sided_send_with_completion	(	const uint32_t	id,
		const long long int	size
	)

Definition at line 446 of file verbs.cpp.

post_two_sided_send_with_completion() [2/4]

void sst::resources_two_sided::post_two_sided_send_with_completion	(	const uint32_t	id,
		const long long int	offset,
		const long long int	size
	)

Post an RDMA write at an offset into remote memory.

Definition at line 453 of file verbs.cpp.

post_two_sided_send_with_completion() [3/4]

void sst::resources_two_sided::post_two_sided_send_with_completion	(	struct lf_sender_ctxt *	ctxt,
		const long long int	size
	)

Definition at line 510 of file lf.cpp.

post_two_sided_send_with_completion() [4/4]

void sst::resources_two_sided::post_two_sided_send_with_completion	(	struct lf_sender_ctxt *	ctxt,
		const long long int	offset,
		const long long int	size
	)

Post an RDMA write at an offset into remote memory.

Definition at line 517 of file lf.cpp.

---

The documentation for this class was generated from the following files:

• include/derecho/sst/detail/lf.hpp
• include/derecho/sst/detail/verbs.hpp
• src/sst/lf.cpp
• src/sst/verbs.cpp