/*
* 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 Edward Bortnikov
*
* 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 <stddef.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_transport_anafa.h>
#include <vendor/osm_vendor_mlx_dispatcher.h>
#include <vendor/osm_vendor_mlx_svc.h>
#include <vendor/osm_ts_useraccess.h>
static void
__osmv_TOPSPIN_ANAFA_mad_addr_to_osm_addr(IN osm_vendor_t const *p_vend,
IN struct ib_mad *p_mad,
IN uint8_t is_smi,
OUT osm_mad_addr_t * p_mad_addr);
static void
__osmv_TOPSPIN_ANAFA_osm_addr_to_mad_addr(IN const osm_mad_addr_t *
p_mad_addr, IN uint8_t is_smi,
OUT struct ib_mad *p_mad);
void __osmv_TOPSPIN_ANAFA_receiver_thr(void *p_ctx)
{
int ts_ret_code;
struct ib_mad 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;
OSM_LOG_ENTER(p_bo->p_vendor->p_log);
/* Make sure the p_bo object is still relevant */
if ((p_bo->magic_ptr != p_bo) || p_bo->is_closing)
return;
/* we set the type of cancelation for this thread */
/* pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL); */
while (1) {
/* Make sure the p_bo object is still relevant */
if ((p_bo->magic_ptr != p_bo) || p_bo->is_closing)
return;
/* we read one mad at a time and pass it to the read callback function */
ts_ret_code =
read(((osmv_TOPSPIN_ANAFA_transport_mgr_t *) (p_bo->
p_transp_mgr))->
device_fd, &mad, sizeof(mad));
/* Make sure the p_bo object is still relevant */
if ((p_bo->magic_ptr != p_bo) || p_bo->is_closing)
return;
if (ts_ret_code != sizeof(mad)) {
osm_log(p_bo->p_vendor->p_log, OSM_LOG_ERROR,
"__osmv_TOPSPIN_ANAFA_receiver_thr: ERR 6903: "
"error with read, bytes = %d\n", ts_ret_code);
break;
} else {
osm_log(p_bo->p_vendor->p_log, OSM_LOG_DEBUG,
"__osmv_TOPSPIN_ANAFA_receiver_thr: "
"MAD QPN:%d SLID:0x%04x class:0x%02x "
"method:0x%02x attr:0x%04x status:0x%04x "
"tid:0x%016" PRIx64 "\n",
mad.dqpn,
cl_ntoh16(mad.slid),
mad.mgmt_class,
mad.r_method,
cl_ntoh16(mad.attribute_id),
cl_ntoh16(mad.status),
cl_ntoh64(mad.transaction_id));
/* first arrange an address */
__osmv_TOPSPIN_ANAFA_mad_addr_to_osm_addr
(p_bo->p_vendor, &mad,
(((ib_mad_t *) & mad)->mgmt_class ==
IB_MCLASS_SUBN_LID)
|| (((ib_mad_t *) & mad)->mgmt_class ==
IB_MCLASS_SUBN_DIR), &mad_addr);
/* call the receiver callback */
status =
osmv_dispatch_mad((osm_bind_handle_t) p_bo,
(void *)&mad, &mad_addr);
/* Make sure the p_bo object is still relevant */
if (p_bo->magic_ptr != p_bo)
return;
if (IB_INTERRUPTED == status) {
osm_log(p_bo->p_vendor->p_log, OSM_LOG_DEBUG,
"__osmv_TOPSPIN_ANAFA_receiver_thr: "
"The bind handle %p is being closed. "
"Breaking the loop.\n", p_bo);
break;
}
}
}
OSM_LOG_EXIT(p_bo->p_vendor->p_log);
}
/*
* 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)
{
cl_status_t cl_st;
int ts_ioctl_ret;
int device_fd;
char *device_file = "/dev/ts_ua0";
osm_ts_user_mad_filter filter;
osmv_TOPSPIN_ANAFA_transport_mgr_t *p_mgr;
osmv_TOPSPIN_ANAFA_transport_info_t *p_tpot_info;
p_tpot_info =
(osmv_TOPSPIN_ANAFA_transport_info_t *) p_bo->p_vendor->
p_transport_info;
p_mgr = malloc(sizeof(osmv_TOPSPIN_ANAFA_transport_mgr_t));
if (!p_mgr) {
return IB_INSUFFICIENT_MEMORY;
}
memset(p_mgr, 0, sizeof(osmv_TOPSPIN_ANAFA_transport_mgr_t));
/* open TopSpin file device */
device_fd = open(device_file, O_RDWR);
if (device_fd < 0) {
fprintf(stderr, "Fatal: Fail to open the file:%s err:%d\n",
device_file, errno);
return IB_ERROR;
}
p_mgr->device_fd = device_fd;
/*
* Create the MAD filter on this file handle.
*/
filter.port = 0; /* Victor */
filter.direction = TS_IB_MAD_DIRECTION_IN;
filter.mask =
TS_IB_MAD_FILTER_DIRECTION |
TS_IB_MAD_FILTER_PORT |
TS_IB_MAD_FILTER_QPN | TS_IB_MAD_FILTER_MGMT_CLASS;
switch (p_info->mad_class) {
case IB_MCLASS_SUBN_LID:
case IB_MCLASS_SUBN_DIR:
filter.qpn = 0;
filter.mgmt_class = IB_MCLASS_SUBN_LID;
ts_ioctl_ret = ioctl(device_fd, TS_IB_IOCSMADFILTADD, &filter);
if (ts_ioctl_ret < 0) {
return IB_ERROR;
}
filter.mgmt_class = IB_MCLASS_SUBN_DIR;
ts_ioctl_ret = ioctl(device_fd, TS_IB_IOCSMADFILTADD, &filter);
if (ts_ioctl_ret < 0) {
return IB_ERROR;
}
break;
case IB_MCLASS_SUBN_ADM:
default:
filter.qpn = 1;
filter.mgmt_class = p_info->mad_class;
ts_ioctl_ret = ioctl(device_fd, TS_IB_IOCSMADFILTADD, &filter);
if (ts_ioctl_ret < 0) {
return IB_ERROR;
}
break;
}
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;
/* init receiver thread */
cl_st =
cl_thread_init(&p_mgr->receiver, __osmv_TOPSPIN_ANAFA_receiver_thr,
(void *)p_bo, "osmv TOPSPIN_ANAFA rcv thr");
return (ib_api_status_t) cl_st;
}
/*
* 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;
struct ib_mad ts_mad = { 0 };
int ret;
ib_api_status_t status;
const ib_mad_t *p_mad_hdr = p_mad;
OSM_LOG_ENTER(p_vend->p_log);
/* Make sure the p_bo object is still relevant */
if (p_bo->magic_ptr != p_bo)
return IB_INVALID_CALLBACK;
/*
* Copy the MAD over to the sent mad
*/
memcpy(&ts_mad, 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_TOPSPIN_ANAFA_osm_addr_to_mad_addr(p_mad_addr,
p_mad_hdr->
mgmt_class ==
IB_MCLASS_SUBN_LID,
&ts_mad);
} 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 */
ts_mad.dlid = IB_LID_PERMISSIVE;
ts_mad.slid = IB_LID_PERMISSIVE;
}
if ((p_mad_hdr->mgmt_class == IB_MCLASS_SUBN_DIR) ||
(p_mad_hdr->mgmt_class == IB_MCLASS_SUBN_LID)) {
ts_mad.sqpn = 0;
ts_mad.dqpn = 0;
} else {
ts_mad.sqpn = 1;
ts_mad.dqpn = 1;
}
/* ts_mad.port = p_bo->port_num; */
ts_mad.port = 0; /* Victor */
/* send it */
ret =
write(((osmv_TOPSPIN_ANAFA_transport_mgr_t *) (p_bo->
p_transp_mgr))->
device_fd, &ts_mad, sizeof(ts_mad));
if (ret != sizeof(ts_mad)) {
osm_log(p_vend->p_log, OSM_LOG_ERROR,
"osmv_transport_mad_send: ERR 6904: "
"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_TOPSPIN_ANAFA_transport_mgr_t *p_tpot_mgr =
(osmv_TOPSPIN_ANAFA_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); */
/* pthread_cancel (p_tpot_mgr->receiver.osd.id); */
cl_thread_destroy(&(p_tpot_mgr->receiver));
free(p_tpot_mgr);
}
static void
__osmv_TOPSPIN_ANAFA_osm_addr_to_mad_addr(IN const osm_mad_addr_t * p_mad_addr,
IN uint8_t is_smi,
OUT struct ib_mad *p_mad)
{
/* For global destination or Multicast address: */
p_mad->dlid = cl_ntoh16(p_mad_addr->dest_lid);
p_mad->sl = p_mad_addr->addr_type.gsi.service_level;
if (is_smi) {
p_mad->sqpn = 0;
p_mad->dqpn = 0;
} else {
p_mad->sqpn = 1;
p_mad->dqpn = p_mad_addr->addr_type.gsi.remote_qp;
}
/*
HACK we limit to the first PKey Index assuming it will
always be the default PKey
*/
p_mad->pkey_index = 0;
}
static void
__osmv_TOPSPIN_ANAFA_mad_addr_to_osm_addr(IN osm_vendor_t const *p_vend,
IN struct ib_mad *p_mad,
IN uint8_t is_smi,
OUT osm_mad_addr_t * p_mad_addr)
{
p_mad_addr->dest_lid = cl_hton16(p_mad->slid);
p_mad_addr->static_rate = 0;
p_mad_addr->path_bits = 0;
if (is_smi) {
/* SMI */
p_mad_addr->addr_type.smi.source_lid = cl_hton16(p_mad->slid);
p_mad_addr->addr_type.smi.port_num = p_mad->port;
} else {
/* GSI */
p_mad_addr->addr_type.gsi.remote_qp = p_mad->sqpn;
p_mad_addr->addr_type.gsi.remote_qkey = IB_QP1_WELL_KNOWN_Q_KEY;
p_mad_addr->addr_type.gsi.pkey_ix = p_mad->pkey_index;
p_mad_addr->addr_type.gsi.service_level = p_mad->sl;
p_mad_addr->addr_type.gsi.global_route = FALSE;
/* copy the GRH data if relevant - TopSpin imp doesnt relate to GRH!!! */
/*
if (p_mad_addr->addr_type.gsi.global_route)
{
p_mad_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_mad_addr->addr_type.gsi.grh_info.hop_limit = p_rcv_desc->grh.hop_limit;
memcpy(&p_mad_addr->addr_type.gsi.grh_info.src_gid.raw,
&p_rcv_desc->grh.sgid, sizeof(ib_net64_t));
memcpy(&p_mad_addr->addr_type.gsi.grh_info.dest_gid.raw,
p_rcv_desc->grh.dgid, sizeof(ib_net64_t));
}
*/
}
}