net/sunrpc/xprtrdma/physical_ops.c

   1 /*
   2  * Copyright (c) 2015 Oracle.  All rights reserved.
   3  * Copyright (c) 2003-2007 Network Appliance, Inc. All rights reserved.
   4  */
   5
   6 /* No-op chunk preparation. All client memory is pre-registered.
   7  * Sometimes referred to as ALLPHYSICAL mode.
   8  *
   9  * Physical registration is simple because all client memory is
  10  * pre-registered and never deregistered. This mode is good for
  11  * adapter bring up, but is considered not safe: the server is
  12  * trusted not to abuse its access to client memory not involved
  13  * in RDMA I/O.
  14  */
  15
  16 #include "xprt_rdma.h"
  17
  18 #if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
  19 # define RPCDBG_FACILITY        RPCDBG_TRANS
  20 #endif
  21
  22 const struct rpcrdma_memreg_ops rpcrdma_physical_memreg_ops = {
  23         .ro_displayname                 = "physical",
  24 };