/opensm/osm_req.c
C | 433 lines | 292 code | 68 blank | 73 comment | 44 complexity | f53238412c90ec8cb99579c2e20da8df MD5 | raw file
- /*
- * Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
- * Copyright (c) 2002-2015 Mellanox Technologies LTD. All rights reserved.
- * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
- * Copyright (c) 2009 HNR Consulting. 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.
- *
- */
- /*
- * Abstract:
- * Implementation of osm_req_t.
- * This object represents the generic attribute requester.
- * This object is part of the opensm family of objects.
- */
- #if HAVE_CONFIG_H
- # include <config.h>
- #endif /* HAVE_CONFIG_H */
- #include <string.h>
- #include <iba/ib_types.h>
- #include <complib/cl_debug.h>
- #include <opensm/osm_file_ids.h>
- #define FILE_ID OSM_FILE_REQ_C
- #include <opensm/osm_madw.h>
- #include <opensm/osm_attrib_req.h>
- #include <opensm/osm_log.h>
- #include <opensm/osm_helper.h>
- #include <opensm/osm_mad_pool.h>
- #include <opensm/osm_vl15intf.h>
- #include <opensm/osm_msgdef.h>
- #include <opensm/osm_opensm.h>
- #include <opensm/osm_db_pack.h>
- /**********************************************************************
- The plock must be held before calling this function.
- **********************************************************************/
- static ib_net64_t req_determine_mkey(IN osm_sm_t * sm,
- IN const osm_dr_path_t * p_path)
- {
- osm_node_t *p_node;
- osm_port_t *p_sm_port;
- osm_physp_t *p_physp;
- ib_net64_t dest_port_guid = 0, m_key;
- uint8_t hop;
- OSM_LOG_ENTER(sm->p_log);
- p_physp = NULL;
- p_sm_port = osm_get_port_by_guid(sm->p_subn, sm->p_subn->sm_port_guid);
- /* hop_count == 0: destination port guid is SM */
- if (p_path->hop_count == 0) {
- dest_port_guid = sm->p_subn->sm_port_guid;
- goto Remote_Guid;
- }
- if (p_sm_port) {
- p_node = p_sm_port->p_node;
- if (osm_node_get_type(p_node) == IB_NODE_TYPE_SWITCH)
- p_physp = osm_node_get_physp_ptr(p_node, p_path->path[1]);
- else
- p_physp = p_sm_port->p_physp;
- }
- /* hop_count == 1: outgoing physp is SM physp */
- for (hop = 2; p_physp && hop <= p_path->hop_count; hop++) {
- p_physp = p_physp->p_remote_physp;
- if (!p_physp)
- break;
- p_node = p_physp->p_node;
- p_physp = osm_node_get_physp_ptr(p_node, p_path->path[hop]);
- }
- /* At this point, p_physp points at the outgoing physp on the
- last hop, or NULL if we don't know it.
- */
- if (!p_physp) {
- OSM_LOG(sm->p_log, OSM_LOG_ERROR,
- "ERR 1107: Outgoing physp is null on non-hop_0!\n");
- osm_dump_dr_path_v2(sm->p_log, p_path, FILE_ID, OSM_LOG_ERROR);
- dest_port_guid = 0;
- goto Remote_Guid;
- }
- if (p_physp->p_remote_physp) {
- dest_port_guid = p_physp->p_remote_physp->port_guid;
- goto Remote_Guid;
- }
- OSM_LOG(sm->p_log, OSM_LOG_DEBUG, "Target port guid unknown, "
- "using persistent DB\n");
- if (!osm_db_neighbor_get(sm->p_subn->p_neighbor,
- cl_ntoh64(p_physp->port_guid),
- p_physp->port_num,
- &dest_port_guid, NULL)) {
- dest_port_guid = cl_hton64(dest_port_guid);
- }
- Remote_Guid:
- if (dest_port_guid) {
- if (!osm_db_guid2mkey_get(sm->p_subn->p_g2m,
- cl_ntoh64(dest_port_guid), &m_key)) {
- m_key = cl_hton64(m_key);
- OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
- "Found mkey for guid 0x%"
- PRIx64 "\n", cl_ntoh64(dest_port_guid));
- } else {
- OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
- "Target port mkey unknown, using default\n");
- m_key = sm->p_subn->opt.m_key;
- }
- } else {
- OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
- "Target port guid unknown, using default\n");
- m_key = sm->p_subn->opt.m_key;
- }
- OSM_LOG_EXIT(sm->p_log);
- return m_key;
- }
- /**********************************************************************
- The plock must be held before calling this function.
- **********************************************************************/
- ib_api_status_t osm_req_get(IN osm_sm_t * sm, IN const osm_dr_path_t * p_path,
- IN ib_net16_t attr_id, IN ib_net32_t attr_mod,
- IN boolean_t find_mkey, IN ib_net64_t m_key,
- IN uint32_t timeout, IN cl_disp_msgid_t err_msg,
- IN const osm_madw_context_t * p_context)
- {
- osm_madw_t *p_madw;
- ib_api_status_t status = IB_SUCCESS;
- ib_net64_t m_key_calc;
- ib_net64_t tid;
- CL_ASSERT(sm);
- OSM_LOG_ENTER(sm->p_log);
- CL_ASSERT(p_path);
- CL_ASSERT(attr_id);
- /* do nothing if we are exiting ... */
- if (osm_exit_flag)
- goto Exit;
- /* p_context may be NULL. */
- p_madw = osm_mad_pool_get(sm->p_mad_pool, sm->mad_ctrl.h_bind,
- MAD_BLOCK_SIZE, NULL);
- if (p_madw == NULL) {
- OSM_LOG(sm->p_log, OSM_LOG_ERROR,
- "ERR 1101: Unable to acquire MAD\n");
- status = IB_INSUFFICIENT_RESOURCES;
- goto Exit;
- }
- tid = cl_hton64((uint64_t) cl_atomic_inc(&sm->sm_trans_id)
- & (uint64_t)(0xFFFFFFFF));
- if (tid == 0)
- tid = cl_hton64((uint64_t) cl_atomic_inc(&sm->sm_trans_id)
- & (uint64_t)(0xFFFFFFFF));
- if (sm->p_subn->opt.m_key_lookup == TRUE) {
- if (find_mkey == TRUE)
- m_key_calc = req_determine_mkey(sm, p_path);
- else
- m_key_calc = m_key;
- } else
- m_key_calc = sm->p_subn->opt.m_key;
- OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
- "Getting %s (0x%X), modifier 0x%X, TID 0x%" PRIx64
- ", MKey 0x%016" PRIx64 "\n",
- ib_get_sm_attr_str(attr_id), cl_ntoh16(attr_id),
- cl_ntoh32(attr_mod), cl_ntoh64(tid), cl_ntoh64(m_key_calc));
- ib_smp_init_new(osm_madw_get_smp_ptr(p_madw), IB_MAD_METHOD_GET,
- tid, attr_id, attr_mod, p_path->hop_count,
- m_key_calc, p_path->path,
- IB_LID_PERMISSIVE, IB_LID_PERMISSIVE);
- p_madw->mad_addr.dest_lid = IB_LID_PERMISSIVE;
- p_madw->mad_addr.addr_type.smi.source_lid = IB_LID_PERMISSIVE;
- p_madw->resp_expected = TRUE;
- p_madw->timeout = timeout;
- p_madw->fail_msg = err_msg;
- /*
- Fill in the mad wrapper context for the recipient.
- In this case, the only thing the recipient needs is the
- guid value.
- */
- if (p_context)
- p_madw->context = *p_context;
- osm_vl15_post(sm->p_vl15, p_madw);
- Exit:
- OSM_LOG_EXIT(sm->p_log);
- return status;
- }
- /**********************************************************************
- The plock must be held before calling this function.
- **********************************************************************/
- osm_madw_t *osm_prepare_req_set(IN osm_sm_t * sm, IN const osm_dr_path_t * p_path,
- IN const uint8_t * p_payload,
- IN size_t payload_size,
- IN ib_net16_t attr_id, IN ib_net32_t attr_mod,
- IN boolean_t find_mkey, IN ib_net64_t m_key,
- IN uint32_t timeout,
- IN cl_disp_msgid_t err_msg,
- IN const osm_madw_context_t * p_context)
- {
- osm_madw_t *p_madw = NULL;
- ib_net64_t m_key_calc;
- ib_net64_t tid;
- CL_ASSERT(sm);
- OSM_LOG_ENTER(sm->p_log);
- CL_ASSERT(p_path);
- CL_ASSERT(attr_id);
- CL_ASSERT(p_payload);
- /* do nothing if we are exiting ... */
- if (osm_exit_flag)
- goto Exit;
- /* p_context may be NULL. */
- p_madw = osm_mad_pool_get(sm->p_mad_pool, sm->mad_ctrl.h_bind,
- MAD_BLOCK_SIZE, NULL);
- if (p_madw == NULL) {
- OSM_LOG(sm->p_log, OSM_LOG_ERROR,
- "ERR 1102: Unable to acquire MAD\n");
- goto Exit;
- }
- tid = cl_hton64((uint64_t) cl_atomic_inc(&sm->sm_trans_id)
- & (uint64_t)(0xFFFFFFFF));
- if (tid == 0)
- tid = cl_hton64((uint64_t) cl_atomic_inc(&sm->sm_trans_id)
- & (uint64_t)(0xFFFFFFFF));
- if (sm->p_subn->opt.m_key_lookup == TRUE) {
- if (find_mkey == TRUE)
- m_key_calc = req_determine_mkey(sm, p_path);
- else
- m_key_calc = m_key;
- } else
- m_key_calc = sm->p_subn->opt.m_key;
- OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
- "Setting %s (0x%X), modifier 0x%X, TID 0x%" PRIx64
- ", MKey 0x%016" PRIx64 "\n",
- ib_get_sm_attr_str(attr_id), cl_ntoh16(attr_id),
- cl_ntoh32(attr_mod), cl_ntoh64(tid), cl_ntoh64(m_key_calc));
- ib_smp_init_new(osm_madw_get_smp_ptr(p_madw), IB_MAD_METHOD_SET,
- tid, attr_id, attr_mod, p_path->hop_count,
- m_key_calc, p_path->path,
- IB_LID_PERMISSIVE, IB_LID_PERMISSIVE);
- p_madw->mad_addr.dest_lid = IB_LID_PERMISSIVE;
- p_madw->mad_addr.addr_type.smi.source_lid = IB_LID_PERMISSIVE;
- p_madw->resp_expected = TRUE;
- p_madw->timeout = timeout;
- p_madw->fail_msg = err_msg;
- /*
- Fill in the mad wrapper context for the recipient.
- In this case, the only thing the recipient needs is the
- guid value.
- */
- if (p_context)
- p_madw->context = *p_context;
- memcpy(osm_madw_get_smp_ptr(p_madw)->data, p_payload, payload_size);
- Exit:
- OSM_LOG_EXIT(sm->p_log);
- return p_madw;
- }
- void osm_send_req_mad(IN osm_sm_t * sm, IN osm_madw_t *p_madw)
- {
- CL_ASSERT(p_madw);
- CL_ASSERT(sm);
- osm_vl15_post(sm->p_vl15, p_madw);
- }
- /**********************************************************************
- The plock MAY or MAY NOT be held before calling this function.
- **********************************************************************/
- ib_api_status_t osm_req_set(IN osm_sm_t * sm, IN const osm_dr_path_t * p_path,
- IN const uint8_t * p_payload,
- IN size_t payload_size,
- IN ib_net16_t attr_id, IN ib_net32_t attr_mod,
- IN boolean_t find_mkey, IN ib_net64_t m_key,
- IN uint32_t timeout,
- IN cl_disp_msgid_t err_msg,
- IN const osm_madw_context_t * p_context)
- {
- osm_madw_t *p_madw;
- ib_api_status_t status = IB_SUCCESS;
- p_madw = osm_prepare_req_set(sm, p_path, p_payload, payload_size, attr_id,
- attr_mod, find_mkey, m_key, timeout, err_msg, p_context);
- if (p_madw == NULL)
- status = IB_INSUFFICIENT_RESOURCES;
- else
- osm_send_req_mad(sm, p_madw);
- return status;
- }
- int osm_send_trap144(osm_sm_t * sm, ib_net16_t local)
- {
- osm_madw_t *madw;
- ib_smp_t *smp;
- ib_mad_notice_attr_t *ntc;
- osm_port_t *port, *smport;
- ib_port_info_t *pi;
- port = osm_get_port_by_guid(sm->p_subn, sm->p_subn->sm_port_guid);
- if (!port) {
- OSM_LOG(sm->p_log, OSM_LOG_ERROR,
- "ERR 1104: cannot find SM port by guid 0x%" PRIx64 "\n",
- cl_ntoh64(sm->p_subn->sm_port_guid));
- return -1;
- }
- pi = &port->p_physp->port_info;
- /* don't bother with sending trap when SMA supports this */
- if (!local &&
- pi->capability_mask&(IB_PORT_CAP_HAS_TRAP|IB_PORT_CAP_HAS_CAP_NTC))
- return 0;
- smport = osm_get_port_by_guid(sm->p_subn, sm->master_sm_guid);
- if (!smport) {
- OSM_LOG(sm->p_log, OSM_LOG_ERROR,
- "ERR 1106: cannot find master SM port by guid 0x%" PRIx64 "\n",
- cl_ntoh64(sm->master_sm_guid));
- return -1;
- }
- madw = osm_mad_pool_get(sm->p_mad_pool,
- osm_sm_mad_ctrl_get_bind_handle(&sm->mad_ctrl),
- MAD_BLOCK_SIZE, NULL);
- if (madw == NULL) {
- OSM_LOG(sm->p_log, OSM_LOG_ERROR,
- "ERR 1105: Unable to acquire MAD\n");
- return -1;
- }
- madw->mad_addr.dest_lid = smport->p_physp->port_info.base_lid;
- madw->mad_addr.addr_type.smi.source_lid = pi->base_lid;
- madw->resp_expected = TRUE;
- madw->fail_msg = CL_DISP_MSGID_NONE;
- smp = osm_madw_get_smp_ptr(madw);
- memset(smp, 0, sizeof(*smp));
- smp->base_ver = 1;
- smp->mgmt_class = IB_MCLASS_SUBN_LID;
- smp->class_ver = 1;
- smp->method = IB_MAD_METHOD_TRAP;
- smp->trans_id = cl_hton64((uint64_t) cl_atomic_inc(&sm->sm_trans_id)
- & (uint64_t)(0xFFFFFFFF));
- if (smp->trans_id == 0)
- smp->trans_id = cl_hton64((uint64_t) cl_atomic_inc(&sm->sm_trans_id)
- & (uint64_t)(0xFFFFFFFF));
- smp->attr_id = IB_MAD_ATTR_NOTICE;
- ntc = (ib_mad_notice_attr_t *) smp->data;
- ntc->generic_type = 0x80 | IB_NOTICE_TYPE_INFO;
- ib_notice_set_prod_type_ho(ntc, osm_node_get_type(port->p_node));
- ntc->g_or_v.generic.trap_num = cl_hton16(SM_LOCAL_CHANGES_TRAP); /* 144 */
- ntc->issuer_lid = pi->base_lid;
- ntc->data_details.ntc_144.lid = pi->base_lid;
- ntc->data_details.ntc_144.local_changes = local ?
- TRAP_144_MASK_OTHER_LOCAL_CHANGES : 0;
- ntc->data_details.ntc_144.new_cap_mask = pi->capability_mask;
- ntc->data_details.ntc_144.change_flgs = local;
- OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
- "Sending Trap 144, TID 0x%" PRIx64 " to SM lid %u\n",
- cl_ntoh64(smp->trans_id), cl_ntoh16(madw->mad_addr.dest_lid));
- osm_vl15_post(sm->p_vl15, madw);
- return 0;
- }