rdma Namespace Reference

Contains functions and classes for low-level RDMA operations, such as setting up memory regions and queue pairs. More...

Namespaces
	impl

Classes
struct	cm_con_data_t
struct	completion_handler_set
	Listener to detect new incoming connections. More...
class	completion_queue
	A C++ wrapper for the libfabric fid_cq struct and its associated functions. More...
struct	config_t
class	configuration_failure
class	connection_broken
class	cq_creation_failure
class	creation_failure
class	endpoint
	A C++ wrapper for the libfabric fid_ep struct and its associated functions. More...
class	ep_creation_failure
class	exception
struct	feature_set
struct	ibv_resources
class	invalid_args
struct	lf_ctxt
	Global states. More...
class	managed_endpoint
class	managed_queue_pair
class	manager_endpoint
class	manager_queue_pair
class	memory_region
	A wrapper for fi_close. More...
class	message_type
class	message_types_exhausted
class	mr_creation_failure
class	qp_creation_failure
class	queue_pair
	A C++ wrapper for the IB Verbs ibv_qp struct and its associated functions. More...
class	remote_memory_region
class	task
class	unsupported_feature

Typedefs
typedef std::function< void(uint64_t tag, uint32_t immediate, size_t length)>	completion_handler
using	ibv_mr_unique_ptr = unique_ptr< ibv_mr, std::function< void(ibv_mr *)> >

Enumerations
enum	NextOnFailure { REPORT_ON_FAILURE = 0, CRASH_ON_FAILURE = 1 }
	Testing tools from Weijia's sst code. More...
enum	RDMAOps { RDMA_OP_SEND = 1, RDMA_OP_RECV, RDMA_OP_WRITE }

Functions
feature_set	get_supported_features ()
struct rdma::cm_con_data_t	__attribute__ ((packed))
bool	sync (uint32_t r_id)

Variables
tcp::tcp_connections *	rdmc_connections
	Object to hold the tcp connections for every node. More...
struct rdma::completion_handler_set	__attribute__
struct lf_ctxt	g_ctxt
	The global context for libfabric. More...
struct rdma::ibv_resources	verbs_resources

Detailed Description

Contains functions and classes for low-level RDMA operations, such as setting up memory regions and queue pairs.

This provides a more C++-friendly interfaace to the libfabric library.

This provides a more C++-friendly interface to the IB Verbs library.

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Class Documentation

rdma::cm_con_data_t

struct rdma::cm_con_data_t

Definition at line 86 of file lf_helper.cpp.

Class Members
uint8_t	gid[16]
uint16_t	lid
char	pep_addr[MAX_LF_ADDR_SIZE]	local endpoint address length
uint32_t	pep_addr_len
uint32_t	qp_num

rdma::completion_handler_set

struct rdma::completion_handler_set

Listener to detect new incoming connections.

Vector of completion handlers and a mutex for accessing it

Definition at line 104 of file lf_helper.cpp.

Collaboration diagram for rdma::completion_handler_set:

Class Members
string	name
completion_handler	recv
completion_handler	send
completion_handler	write

rdma::config_t

struct rdma::config_t

Definition at line 30 of file verbs_helper.cpp.

Class Members
const char *	dev_name
int	gid_idx
int	ib_port

rdma::feature_set

struct rdma::feature_set

Definition at line 167 of file verbs_helper.hpp.

Class Members
bool	contiguous_memory
bool	cross_channel

rdma::ibv_resources

struct rdma::ibv_resources

Definition at line 52 of file verbs_helper.cpp.

Class Members
ibv_comp_channel *	cc
ibv_cq *	cq
ibv_device_attr	device_attr
ibv_context *	ib_ctx
ibv_pd *	pd
ibv_port_attr	port_attr

rdma::lf_ctxt

struct rdma::lf_ctxt

Global states.

Definition at line 116 of file lf_helper.cpp.

Class Members
struct fid_cq *	cq	event queue for connection management
struct fi_cq_attr	cq_attr	event queue attributes
struct fid_domain *	domain	fabric handle
struct fi_eq_attr	eq_attr	local pep address
struct fid_fabric *	fabric	fabric information
struct fi_info *	fi	hints
struct fi_info *	hints
struct fid_pep *	pep	domain handle
char	pep_addr[MAX_LF_ADDR_SIZE]	length of local pep address
size_t	pep_addr_len	completion queue for all rma operations
struct fid_eq *	peq	passive endpoint for receiving connection

Typedef Documentation

completion_handler

typedef std::function< void(uint64_t tag, uint32_t immediate, size_t length)> rdma::completion_handler

Definition at line 131 of file lf_helper.hpp.

ibv_mr_unique_ptr

using rdma::ibv_mr_unique_ptr = typedef unique_ptr<ibv_mr, std::function<void(ibv_mr *)> >

Definition at line 481 of file verbs_helper.cpp.

Enumeration Type Documentation

NextOnFailure

enum rdma::NextOnFailure

Testing tools from Weijia's sst code.

Enumerator
REPORT_ON_FAILURE
CRASH_ON_FAILURE

Definition at line 50 of file lf_helper.cpp.

RDMAOps

enum rdma::RDMAOps

Enumerator
RDMA_OP_SEND
RDMA_OP_RECV
RDMA_OP_WRITE

Definition at line 136 of file lf_helper.cpp.

Function Documentation

__attribute__()

struct rdma::cm_con_data_t rdma::__attribute__

(

(packed)

)

get_supported_features()

feature_set rdma::get_supported_features

(

)

Definition at line 1088 of file verbs_helper.cpp.

sync()

bool rdma::sync

(

uint32_t

r_id

)

Definition at line 303 of file lf_helper.cpp.

Variable Documentation

__attribute__

struct rdma::cm_con_data_t rdma::__attribute__

g_ctxt

struct lf_ctxt rdma::g_ctxt

The global context for libfabric.

Definition at line 131 of file lf_helper.cpp.

rdmc_connections

tcp::tcp_connections* rdma::rdmc_connections

Object to hold the tcp connections for every node.

Definition at line 94 of file lf_helper.cpp.

verbs_resources

struct rdma::ibv_resources rdma::verbs_resources