nm_ibverbs_hca_s Struct Reference

Global state of a HCA with its context. More...

#include <nm_ibverbs.h>

Data Fields
const char *	device
int	port
struct ibv_device *	ib_dev
	IB device.
uint16_t	lid
	local IB LID
union ibv_gid	gid
	local IB GID
int	gidx
	< index of the GID in table; -1 if none
struct ibv_context *	context
	global IB context
struct ibv_pd *	pd
	global IB protection domain
struct {
int   max_qp
	maximum number of QP More...
int   max_qp_wr
	maximum number of WR per QP More...
int   max_cq
	maximum number of CQ More...
int   max_cqe
	maximum number of entries per CQ More...
int   max_mr
	maximum number of MR More...
int   max_srq
	maximum number of SRQs; 0 if not supported More...
uint64_t   max_mr_size
	maximum size for a MR More...
uint64_t   page_size_cap
	maximum page size for device More...
uint64_t   max_msg_size
	maximum message size More...
int   data_rate
}	ib_caps
struct {
int   srq_limit_reached
	an srq low level event was triggered More...
}	async_events
nm_len_t	size_mem_reg
	total amount of memory registered in this HCA context
long	n_mem_reg
	number of memory blocks registered in this HCA context
void(*	p_reg_back_pressure )(void *, nm_len_t)
	function to ask to reduce pressure on memory registration to rcache
void *	_reg_back_pressure_status
	data given to p_reg_back_pressure

Detailed Description

Global state of a HCA with its context.

Definition at line 144 of file nm_ibverbs.h.

Field Documentation

_reg_back_pressure_status

void* nm_ibverbs_hca_s::_reg_back_pressure_status

data given to p_reg_back_pressure

Definition at line 177 of file nm_ibverbs.h.

[struct]

struct { ... } nm_ibverbs_hca_s::async_events

context

struct ibv_context* nm_ibverbs_hca_s::context

global IB context

Definition at line 152 of file nm_ibverbs.h.

data_rate

int nm_ibverbs_hca_s::data_rate

Definition at line 165 of file nm_ibverbs.h.

device

const char* nm_ibverbs_hca_s::device

Definition at line 146 of file nm_ibverbs.h.

gid

union ibv_gid nm_ibverbs_hca_s::gid

local IB GID

Definition at line 150 of file nm_ibverbs.h.

gidx

int nm_ibverbs_hca_s::gidx

< index of the GID in table; -1 if none

Definition at line 151 of file nm_ibverbs.h.

[struct]

struct { ... } nm_ibverbs_hca_s::ib_caps

ib_dev

struct ibv_device* nm_ibverbs_hca_s::ib_dev

IB device.

Definition at line 148 of file nm_ibverbs.h.

lid

uint16_t nm_ibverbs_hca_s::lid

local IB LID

Definition at line 149 of file nm_ibverbs.h.

max_cq

int nm_ibverbs_hca_s::max_cq

maximum number of CQ

Definition at line 158 of file nm_ibverbs.h.

max_cqe

int nm_ibverbs_hca_s::max_cqe

maximum number of entries per CQ

Definition at line 159 of file nm_ibverbs.h.

max_mr

int nm_ibverbs_hca_s::max_mr

maximum number of MR

Definition at line 160 of file nm_ibverbs.h.

max_mr_size

uint64_t nm_ibverbs_hca_s::max_mr_size

maximum size for a MR

Definition at line 162 of file nm_ibverbs.h.

max_msg_size

uint64_t nm_ibverbs_hca_s::max_msg_size

maximum message size

Definition at line 164 of file nm_ibverbs.h.

max_qp

int nm_ibverbs_hca_s::max_qp

maximum number of QP

Definition at line 156 of file nm_ibverbs.h.

max_qp_wr

int nm_ibverbs_hca_s::max_qp_wr

maximum number of WR per QP

Definition at line 157 of file nm_ibverbs.h.

max_srq

int nm_ibverbs_hca_s::max_srq

maximum number of SRQs; 0 if not supported

Definition at line 161 of file nm_ibverbs.h.

n_mem_reg

long nm_ibverbs_hca_s::n_mem_reg

number of memory blocks registered in this HCA context

Definition at line 175 of file nm_ibverbs.h.

p_reg_back_pressure

void(* nm_ibverbs_hca_s::p_reg_back_pressure) (void *, nm_len_t)

function to ask to reduce pressure on memory registration to rcache

Definition at line 176 of file nm_ibverbs.h.

page_size_cap

uint64_t nm_ibverbs_hca_s::page_size_cap

maximum page size for device

Definition at line 163 of file nm_ibverbs.h.

pd

struct ibv_pd* nm_ibverbs_hca_s::pd

global IB protection domain

Definition at line 153 of file nm_ibverbs.h.

port

int nm_ibverbs_hca_s::port

Definition at line 147 of file nm_ibverbs.h.

size_mem_reg

nm_len_t nm_ibverbs_hca_s::size_mem_reg

total amount of memory registered in this HCA context

Definition at line 174 of file nm_ibverbs.h.

srq_limit_reached

int nm_ibverbs_hca_s::srq_limit_reached

an srq low level event was triggered

Definition at line 172 of file nm_ibverbs.h.

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

• nm_ibverbs.h