nm_ibverbs_context_s Struct Reference

a context for a HCA in RC mode More...

#include <nm_ibverbs.h>

Collaboration diagram for nm_ibverbs_context_s:

Data Structures
struct	nm_ibverbs_opts_s

Data Fields
struct nm_ibverbs_hca_s	hca
	global HCA attached to this context
struct {
nm_spinlock_t   lock
	lock to protect the connection-related fields More...
struct nm_ibverbs_ud_ep_s   udep
	UD endpoint for connection management. More...
struct nm_ibverbs_cnx_addr_entry_hashtable_s   addr_hash
	cnx addresses, hashed by remote context address More...
struct nm_ibverbs_cnx_qpn_hashtable_s   cnx_by_qpn
	table of cnx hashed by their local QPN More...
struct nm_ibverbs_cnx_addr_entry_list_s   pending_entries
	list of entries currently in progress, sorted by timeout More...
struct nm_ibverbs_ud_recv_pool_s   recv_pool
struct nm_ibverbs_cnx_connect_packet_s   recv_packets [8192]
}	connect
	connection management using UD
struct {
void *   p_wide_url
	wide url containing both UD url & vector of pre-allocated cnxs More...
int   session_size
uint32_t   rank
struct nm_ibverbs_cnx_s **   pp_cached_cnxs
	array of pre-allocated connections More...
}	vector_connect
	vectored connection, for launchers that support wide url and drivers with bare IB addr (no segment)
struct {
struct ibv_srq *   p_srq
	shared receive queue (if supported by device) More...
struct ibv_cq *   srq_cq
	CQ used for SRQs. More...
struct ibv_comp_channel *   comp_channel
	completion channel for blocking calls More...
int   cancel_fd [2]
	pipe used to cancel a wait event on comp channel More...
volatile int   waiting
	whether we are in a blocking CQ event wait More...
}	srq
struct nm_ibverbs_context_s::nm_ibverbs_opts_s	ib_opts

Detailed Description

a context for a HCA in RC mode

Definition at line 265 of file nm_ibverbs.h.

Field Documentation

addr_hash

struct nm_ibverbs_cnx_addr_entry_hashtable_s nm_ibverbs_context_s::addr_hash

cnx addresses, hashed by remote context address

Definition at line 273 of file nm_ibverbs.h.

cancel_fd

int nm_ibverbs_context_s::cancel_fd[2]

pipe used to cancel a wait event on comp channel

Definition at line 292 of file nm_ibverbs.h.

cnx_by_qpn

struct nm_ibverbs_cnx_qpn_hashtable_s nm_ibverbs_context_s::cnx_by_qpn

table of cnx hashed by their local QPN

Definition at line 274 of file nm_ibverbs.h.

Referenced by nm_ibverbs_cnx_lazy_by_qpn().

comp_channel

struct ibv_comp_channel* nm_ibverbs_context_s::comp_channel

completion channel for blocking calls

Definition at line 291 of file nm_ibverbs.h.

[struct]

struct { ... } nm_ibverbs_context_s::connect

connection management using UD

Referenced by nm_ibverbs_cnx_lazy_by_qpn().

hca

struct nm_ibverbs_hca_s nm_ibverbs_context_s::hca

global HCA attached to this context

Definition at line 267 of file nm_ibverbs.h.

ib_opts

struct nm_ibverbs_context_s::nm_ibverbs_opts_s nm_ibverbs_context_s::ib_opts

lock

nm_spinlock_t nm_ibverbs_context_s::lock

lock to protect the connection-related fields

Definition at line 271 of file nm_ibverbs.h.

p_srq

struct ibv_srq* nm_ibverbs_context_s::p_srq

shared receive queue (if supported by device)

Definition at line 289 of file nm_ibverbs.h.

p_wide_url

void* nm_ibverbs_context_s::p_wide_url

wide url containing both UD url & vector of pre-allocated cnxs

Definition at line 282 of file nm_ibverbs.h.

pending_entries

struct nm_ibverbs_cnx_addr_entry_list_s nm_ibverbs_context_s::pending_entries

list of entries currently in progress, sorted by timeout

Definition at line 275 of file nm_ibverbs.h.

pp_cached_cnxs

struct nm_ibverbs_cnx_s** nm_ibverbs_context_s::pp_cached_cnxs

array of pre-allocated connections

Definition at line 285 of file nm_ibverbs.h.

rank

uint32_t nm_ibverbs_context_s::rank

Definition at line 284 of file nm_ibverbs.h.

recv_packets

struct nm_ibverbs_cnx_connect_packet_s nm_ibverbs_context_s::recv_packets[8192]

Definition at line 277 of file nm_ibverbs.h.

recv_pool

struct nm_ibverbs_ud_recv_pool_s nm_ibverbs_context_s::recv_pool

Definition at line 276 of file nm_ibverbs.h.

session_size

int nm_ibverbs_context_s::session_size

Definition at line 283 of file nm_ibverbs.h.

[struct]

struct { ... } nm_ibverbs_context_s::srq

srq_cq

struct ibv_cq* nm_ibverbs_context_s::srq_cq

CQ used for SRQs.

Definition at line 290 of file nm_ibverbs.h.

udep

struct nm_ibverbs_ud_ep_s nm_ibverbs_context_s::udep

UD endpoint for connection management.

Definition at line 272 of file nm_ibverbs.h.

[struct]

struct { ... } nm_ibverbs_context_s::vector_connect

vectored connection, for launchers that support wide url and drivers with bare IB addr (no segment)

waiting

volatile int nm_ibverbs_context_s::waiting

whether we are in a blocking CQ event wait

Definition at line 293 of file nm_ibverbs.h.

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The documentation for this struct was generated from the following file:

• nm_ibverbs.h