RDMA Verbs

L4 access to
RDMA functions:

image

Consumer - SW that uses RNIC to
communicate to other nodes.

  • Manage connection state
  • Manage memory and queue access
  • Submit work to RNIC
  • Retrieve work and events from RNIC

WR (work request) types:

send/receive

RDMA

Memory

  • send
  • send with SE
  • Send with Invalidate
  • Send with SE and Invalidate

Receive

Bind

Fast Register MR

Invalidated Local STag

RDMA Write

RDMA Read

RDMA Read and Invalidate

Errors

SQ Errors

RQ Errors

Spec

RNIC

QP

Memory Management

WR

RNIC Verbs

RNIC Resource mgmt

RNIC operations

PD

CQ

Shared Receive Que

QP

Memory Mgmt

WR (wrok request) Processing

QP

CQ

Event Handling

Result Types