/*
* Copyright (c) 2004-2008 Voltaire, Inc. All rights reserved.
* Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
* Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
/* AUTHOR Eitan Zahavi
*
* DESCRIPTION
* The lower-level MAD transport interface implementation
* that allows sending a single MAD/receiving a callback
* when a single MAD is received.
*/
#if HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <vendor/osm_vendor_api.h>
#include <vendor/osm_vendor_mlx_transport.h>
#include <vendor/osm_vendor_mlx_dispatcher.h>
#include <vendor/osm_vendor_mlx_svc.h>
#include <complib/cl_thread.h>
/* the simulator messages definition */
#include <ibmgtsim/ibms_client_api.h>
typedef struct _osmv_ibms_transport_mgr {
ibms_conn_handle_t conHdl; /* the connection handle we talk to */
ibms_bind_msg_t filter; /* the bind message defining the filtering */
cl_thread_t receiver; /* the thread waiting for incomming messages */
} osmv_ibms_transport_mgr_t;
static void
__osmv_ibms_mad_addr_to_osm_addr(IN osm_vendor_t const *p_vend,
IN struct _ibms_mad_addr *p_ibms_addr,
IN uint8_t is_smi,
OUT osm_mad_addr_t * p_osm_addr);
static void
__osmv_ibms_osm_addr_to_mad_addr(IN const osm_mad_addr_t * p_osm_addr,
IN uint8_t is_smi,
OUT struct _ibms_mad_addr *p_ibms_addr);
/* this is the callback function the "server" will call on incoming
messages */
void __osmv_ibms_receiver_callback(void *p_ctx, ibms_mad_msg_t * p_mad)
{
osm_mad_addr_t mad_addr;
osmv_bind_obj_t *const p_bo = (osmv_bind_obj_t *) p_ctx;
ib_api_status_t status = IB_SUCCESS;
/* Make sure the p_bo object is still relevant */
if ((p_bo->magic_ptr != p_bo) || p_bo->is_closing)
return;
{
OSM_LOG_ENTER(p_bo->p_vendor->p_log);
/* some logging */
osm_log(p_bo->p_vendor->p_log, OSM_LOG_DEBUG,
"__osmv_ibms_receiver_callback: "
"MAD QPN:%d SLID:0x%04x class:0x%02x "
"method:0x%02x attr:0x%04x status:0x%04x "
"tid:0x%016" PRIx64 "\n",
p_mad->addr.dqpn,
cl_ntoh16(p_mad->addr.slid),
p_mad->header.mgmt_class,
p_mad->header.method,
cl_ntoh16(p_mad->header.attr_id),
cl_ntoh16(p_mad->header.status),
cl_ntoh64(p_mad->header.trans_id));
/* first arrange an address */
__osmv_ibms_mad_addr_to_osm_addr(p_bo->p_vendor,
&p_mad->addr,
(((ib_mad_t *) & p_mad->
header)->mgmt_class ==
IB_MCLASS_SUBN_LID)
||
(((ib_mad_t *) & p_mad->
header)->mgmt_class ==
IB_MCLASS_SUBN_DIR),
&mad_addr);
/* call the receiver callback */
status =
osmv_dispatch_mad((osm_bind_handle_t) p_bo,
(void *)&p_mad->header, &mad_addr);
OSM_LOG_EXIT(p_bo->p_vendor->p_log);
}
}
ib_api_status_t
osm_vendor_get_guid_by_ca_and_port(IN osm_vendor_t * const p_vend,
IN char *hca_id,
IN uint32_t port_num,
OUT uint64_t * p_port_guid);
/*
* NAME
* osmv_transport_init
*
* DESCRIPTION
* Setup the MAD transport infrastructure (filters, callbacks etc).
*/
ib_api_status_t
osmv_transport_init(IN osm_bind_info_t * p_info,
IN char hca_id[VENDOR_HCA_MAXNAMES],
IN uint8_t hca_idx, IN osmv_bind_obj_t * p_bo)
{
ibms_conn_handle_t conHdl; /* the connection we talk to the simulator through */
osmv_ibms_transport_mgr_t *p_mgr =
malloc(sizeof(osmv_ibms_transport_mgr_t));
int qpn;
int ibms_status;
uint64_t port_guid;
if (!p_mgr) {
return IB_INSUFFICIENT_MEMORY;
}
memset(p_mgr, 0, sizeof(osmv_ibms_transport_mgr_t));
/* create the client socket connected to the simulator */
/* also perform the "connect" message - such that we
validate the target guid */
if (osm_vendor_get_guid_by_ca_and_port
(p_bo->p_vendor, hca_id, p_bo->port_num, &port_guid)) {
free(p_mgr);
return IB_INVALID_GUID;
}
conHdl =
ibms_connect(port_guid, __osmv_ibms_receiver_callback,
(void *)p_bo);
if (!conHdl) {
printf("fail to connect to the server.\n");
free(p_mgr);
return IB_ERROR;
}
/*
* Create the MAD filter on this file handle.
*/
p_mgr->filter.port = p_bo->port_num;
p_mgr->filter.only_input = 1;
p_mgr->filter.mask =
IBMS_BIND_MASK_PORT |
IBMS_BIND_MASK_INPUT | IBMS_BIND_MASK_QP | IBMS_BIND_MASK_CLASS;
switch (p_info->mad_class) {
case IB_MCLASS_SUBN_LID:
case IB_MCLASS_SUBN_DIR:
qpn = 0;
p_mgr->filter.qpn = qpn;
p_mgr->filter.mgt_class = IB_MCLASS_SUBN_LID;
ibms_status = ibms_bind(conHdl, &p_mgr->filter);
if (ibms_status) {
return IB_ERROR;
}
p_mgr->filter.mgt_class = IB_MCLASS_SUBN_DIR;
ibms_status = ibms_bind(conHdl, &p_mgr->filter);
if (ibms_status) {
return IB_ERROR;
}
break;
case IB_MCLASS_SUBN_ADM:
default:
qpn = 1;
p_mgr->filter.qpn = qpn;
p_mgr->filter.mgt_class = p_info->mad_class;
ibms_status = ibms_bind(conHdl, &p_mgr->filter);
if (ibms_status) {
return IB_ERROR;
}
break;
}
p_mgr->conHdl = conHdl;
p_bo->p_transp_mgr = p_mgr;
/* Initialize the magic_ptr to the pointer of the p_bo info.
This will be used to signal when the object is being destroyed, so no
real action will be done then. */
p_bo->magic_ptr = p_bo;
return IB_SUCCESS;
}
/*
* NAME
* osmv_transport_send_mad
*
* DESCRIPTION
* Send a single MAD (256 byte)
*/
ib_api_status_t
osmv_transport_mad_send(IN const osm_bind_handle_t h_bind,
IN void *p_mad, IN const osm_mad_addr_t * p_mad_addr)
{
osmv_bind_obj_t *p_bo = (osmv_bind_obj_t *) h_bind;
osm_vendor_t const *p_vend = p_bo->p_vendor;
int ret;
ibms_mad_msg_t mad_msg;
ib_api_status_t status;
const ib_mad_t *p_mad_hdr = p_mad;
OSM_LOG_ENTER(p_vend->p_log);
memset(&mad_msg, 0, sizeof(mad_msg));
/* Make sure the p_bo object is still relevant */
if ((p_bo->magic_ptr != p_bo) || p_bo->is_closing)
return IB_INVALID_CALLBACK;
/*
* Copy the MAD over to the sent mad
*/
memcpy(&mad_msg.header, p_mad_hdr, MAD_BLOCK_SIZE);
/*
* For all sends other than directed route SM MADs,
* acquire an address vector for the destination.
*/
if (p_mad_hdr->mgmt_class != IB_MCLASS_SUBN_DIR) {
__osmv_ibms_osm_addr_to_mad_addr(p_mad_addr,
p_mad_hdr->mgmt_class ==
IB_MCLASS_SUBN_LID,
&mad_msg.addr);
} else {
/* is a directed route - we need to construct a permissive address */
/* we do not need port number since it is part of the mad_hndl */
mad_msg.addr.dlid = IB_LID_PERMISSIVE;
mad_msg.addr.slid = IB_LID_PERMISSIVE;
mad_msg.addr.sqpn = 0;
mad_msg.addr.dqpn = 0;
}
osm_log(p_bo->p_vendor->p_log, OSM_LOG_DEBUG,
"osmv_transport_mad_send: "
"Sending QPN:%d DLID:0x%04x class:0x%02x "
"method:0x%02x attr:0x%04x status:0x%04x "
"tid:0x%016" PRIx64 "\n",
mad_msg.addr.dqpn,
cl_ntoh16(mad_msg.addr.dlid),
mad_msg.header.mgmt_class,
mad_msg.header.method,
cl_ntoh16(mad_msg.header.attr_id),
cl_ntoh16(mad_msg.header.status),
cl_ntoh64(mad_msg.header.trans_id)
);
/* send it */
ret =
ibms_send(((osmv_ibms_transport_mgr_t *) (p_bo->p_transp_mgr))->
conHdl, &mad_msg);
if (ret) {
osm_log(p_vend->p_log, OSM_LOG_ERROR,
"osmv_transport_mad_send: ERR 5304: "
"Error sending mad (%d).\n", ret);
status = IB_ERROR;
goto Exit;
}
status = IB_SUCCESS;
Exit:
OSM_LOG_EXIT(p_vend->p_log);
return (status);
}
void osmv_transport_done(IN const osm_bind_handle_t h_bind)
{
osmv_bind_obj_t *p_bo = (osmv_bind_obj_t *) h_bind;
osmv_ibms_transport_mgr_t *p_tpot_mgr =
(osmv_ibms_transport_mgr_t *) (p_bo->p_transp_mgr);
CL_ASSERT(p_bo);
/* First of all - zero out the magic_ptr, so if a callback is called -
it'll know that we are currently closing down, and will not handle the
mad. */
p_bo->magic_ptr = 0;
/* usleep(3000000); */
ibms_disconnect(p_tpot_mgr->conHdl);
/* seems the only way to abort a blocking read is to make it read something */
free(p_tpot_mgr);
}
static void
__osmv_ibms_osm_addr_to_mad_addr(IN const osm_mad_addr_t * p_osm_addr,
IN uint8_t is_smi,
OUT struct _ibms_mad_addr *p_ibms_addr)
{
/* For global destination or Multicast address: */
p_ibms_addr->dlid = cl_ntoh16(p_osm_addr->dest_lid);
p_ibms_addr->sl = p_osm_addr->addr_type.gsi.service_level;
if (is_smi) {
p_ibms_addr->sqpn = 0;
p_ibms_addr->dqpn = 0;
} else {
p_ibms_addr->sqpn = 1;
p_ibms_addr->dqpn =
cl_ntoh32(p_osm_addr->addr_type.gsi.remote_qp);
}
/*
HACK we limit to the first PKey Index assuming it will
always be the default PKey
*/
p_ibms_addr->pkey_index = 0;
}
static void
__osmv_ibms_mad_addr_to_osm_addr(IN osm_vendor_t const *p_vend,
IN struct _ibms_mad_addr *p_ibms_addr,
IN uint8_t is_smi,
OUT osm_mad_addr_t * p_osm_addr)
{
memset(p_osm_addr, 0, sizeof(osm_mad_addr_t));
p_osm_addr->dest_lid = cl_hton16(p_ibms_addr->slid);
p_osm_addr->static_rate = 0;
p_osm_addr->path_bits = 0;
if (is_smi) {
/* SMI */
p_osm_addr->addr_type.smi.source_lid =
cl_hton16(p_ibms_addr->slid);
p_osm_addr->addr_type.smi.port_num = 1; /* TODO add if required p_ibms_addr->port; */
} else {
/* GSI */
p_osm_addr->addr_type.gsi.remote_qp =
cl_ntoh32(p_ibms_addr->sqpn);
p_osm_addr->addr_type.gsi.remote_qkey = IB_QP1_WELL_KNOWN_Q_KEY;
p_osm_addr->addr_type.gsi.pkey_ix = p_ibms_addr->pkey_index;
p_osm_addr->addr_type.gsi.service_level = p_ibms_addr->sl;
p_osm_addr->addr_type.gsi.global_route = FALSE;
/* copy the GRH data if relevant - TopSpin imp doesnt relate to GRH!!! */
/*
if (p_osm_addr->addr_type.gsi.global_route)
{
p_osm_addr->addr_type.gsi.grh_info.ver_class_flow =
ib_grh_set_ver_class_flow(p_rcv_desc->grh.IP_version,
p_rcv_desc->grh.traffic_class,
p_rcv_desc->grh.flow_label);
p_osm_addr->addr_type.gsi.grh_info.hop_limit = p_rcv_desc->grh.hop_limit;
memcpy(&p_osm_addr->addr_type.gsi.grh_info.src_gid.raw,
&p_rcv_desc->grh.sgid, sizeof(ib_net64_t));
memcpy(&p_osm_addr->addr_type.gsi.grh_info.dest_gid.raw,
p_rcv_desc->grh.dgid, sizeof(ib_net64_t));
}
*/
}
}
/*
* NAME osm_vendor_set_sm
*
* DESCRIPTION Modifies the port info for the bound port to set the "IS_SM" bit
* according to the value given (TRUE or FALSE).
*/
void osm_vendor_set_sm(IN osm_bind_handle_t h_bind, IN boolean_t is_sm_val)
{
osmv_bind_obj_t *p_bo = (osmv_bind_obj_t *) h_bind;
osm_vendor_t const *p_vend = p_bo->p_vendor;
int ret;
ibms_cap_msg_t cap_msg;
OSM_LOG_ENTER(p_vend->p_log);
cap_msg.mask = IB_PORT_CAP_IS_SM;
if (is_sm_val)
cap_msg.capabilities = IB_PORT_CAP_IS_SM;
else
cap_msg.capabilities = 0;
ret = ibms_set_cap(((osmv_ibms_transport_mgr_t *) (p_bo->
p_transp_mgr))->
conHdl, &cap_msg);
if (ret) {
osm_log(p_vend->p_log, OSM_LOG_ERROR,
"osm_vendor_set_sm: ERR 5312: "
"Unable set 'IS_SM' bit to:%u in port attributes.\n",
is_sm_val);
}
OSM_LOG_EXIT(p_vend->p_log);
}