Lines Matching full:query
685 static inline void ib_sa_disable_local_svc(struct ib_sa_query *query) in ib_sa_disable_local_svc() argument
687 query->flags &= ~IB_SA_ENABLE_LOCAL_SERVICE; in ib_sa_disable_local_svc()
690 static inline int ib_sa_query_cancelled(struct ib_sa_query *query) in ib_sa_query_cancelled() argument
692 return (query->flags & IB_SA_CANCEL); in ib_sa_query_cancelled()
696 struct ib_sa_query *query) in ib_nl_set_path_rec_attrs() argument
698 struct sa_path_rec *sa_rec = query->mad_buf->context[1]; in ib_nl_set_path_rec_attrs()
699 struct ib_sa_mad *mad = query->mad_buf->mad; in ib_nl_set_path_rec_attrs()
705 query->mad_buf->context[1] = NULL; in ib_nl_set_path_rec_attrs()
710 dev_name(&query->port->agent->device->dev), in ib_nl_set_path_rec_attrs()
712 header->port_num = query->port->port_num; in ib_nl_set_path_rec_attrs()
716 query->path_use = LS_RESOLVE_PATH_USE_GMP; in ib_nl_set_path_rec_attrs()
718 query->path_use = LS_RESOLVE_PATH_USE_UNIDIRECTIONAL; in ib_nl_set_path_rec_attrs()
719 header->path_use = query->path_use; in ib_nl_set_path_rec_attrs()
779 static int ib_nl_make_request(struct ib_sa_query *query, gfp_t gfp_mask) in ib_nl_make_request() argument
791 INIT_LIST_HEAD(&query->list); in ib_nl_make_request()
792 query->seq = (u32)atomic_inc_return(&ib_nl_sa_request_seq); in ib_nl_make_request()
794 mad = query->mad_buf->mad; in ib_nl_make_request()
804 data = ibnl_put_msg(skb, &nlh, query->seq, 0, RDMA_NL_LS, in ib_nl_make_request()
812 ib_nl_set_path_rec_attrs(skb, query); in ib_nl_make_request()
828 query->timeout = delay + jiffies; in ib_nl_make_request()
829 list_add_tail(&query->list, &ib_nl_request_list); in ib_nl_make_request()
831 if (ib_nl_request_list.next == &query->list) in ib_nl_make_request()
840 static int ib_nl_cancel_request(struct ib_sa_query *query) in ib_nl_cancel_request() argument
849 if (query == wait_query) { in ib_nl_cancel_request()
850 query->flags |= IB_SA_CANCEL; in ib_nl_cancel_request()
851 query->timeout = jiffies; in ib_nl_cancel_request()
852 list_move(&query->list, &ib_nl_request_list); in ib_nl_cancel_request()
866 static void ib_nl_process_good_resolve_rsp(struct ib_sa_query *query, in ib_nl_process_good_resolve_rsp() argument
877 if (query->callback) { in ib_nl_process_good_resolve_rsp()
880 switch (query->path_use) { in ib_nl_process_good_resolve_rsp()
900 mad = query->mad_buf->mad; in ib_nl_process_good_resolve_rsp()
910 query->callback(query, status, mad); in ib_nl_process_good_resolve_rsp()
913 mad_send_wc.send_buf = query->mad_buf; in ib_nl_process_good_resolve_rsp()
915 send_handler(query->mad_buf->mad_agent, &mad_send_wc); in ib_nl_process_good_resolve_rsp()
921 struct ib_sa_query *query; in ib_nl_request_timeout() local
928 query = list_entry(ib_nl_request_list.next, in ib_nl_request_timeout()
931 if (time_after(query->timeout, jiffies)) { in ib_nl_request_timeout()
932 delay = query->timeout - jiffies; in ib_nl_request_timeout()
939 list_del(&query->list); in ib_nl_request_timeout()
940 ib_sa_disable_local_svc(query); in ib_nl_request_timeout()
941 /* Hold the lock to protect against query cancellation */ in ib_nl_request_timeout()
942 if (ib_sa_query_cancelled(query)) in ib_nl_request_timeout()
945 ret = ib_post_send_mad(query->mad_buf, NULL); in ib_nl_request_timeout()
947 mad_send_wc.send_buf = query->mad_buf; in ib_nl_request_timeout()
950 send_handler(query->port->agent, &mad_send_wc); in ib_nl_request_timeout()
964 struct ib_sa_query *query; in ib_nl_handle_set_timeout() local
994 list_for_each_entry(query, &ib_nl_request_list, list) { in ib_nl_handle_set_timeout()
995 if (delta < 0 && abs_delta > query->timeout) in ib_nl_handle_set_timeout()
996 query->timeout = 0; in ib_nl_handle_set_timeout()
998 query->timeout += delta; in ib_nl_handle_set_timeout()
1002 delay = query->timeout - jiffies; in ib_nl_handle_set_timeout()
1038 struct ib_sa_query *query; in ib_nl_handle_resolve_resp() local
1049 list_for_each_entry(query, &ib_nl_request_list, list) { in ib_nl_handle_resolve_resp()
1051 * If the query is cancelled, let the timeout routine in ib_nl_handle_resolve_resp()
1054 if (nlh->nlmsg_seq == query->seq) { in ib_nl_handle_resolve_resp()
1055 found = !ib_sa_query_cancelled(query); in ib_nl_handle_resolve_resp()
1057 list_del(&query->list); in ib_nl_handle_resolve_resp()
1067 send_buf = query->mad_buf; in ib_nl_handle_resolve_resp()
1071 ib_sa_disable_local_svc(query); in ib_nl_handle_resolve_resp()
1072 ret = ib_post_send_mad(query->mad_buf, NULL); in ib_nl_handle_resolve_resp()
1077 send_handler(query->port->agent, &mad_send_wc); in ib_nl_handle_resolve_resp()
1081 ib_nl_process_good_resolve_rsp(query, nlh); in ib_nl_handle_resolve_resp()
1111 * ib_sa_cancel_query - try to cancel an SA query
1112 * @id:ID of query to cancel
1113 * @query:query pointer to cancel
1115 * Try to cancel an SA query. If the id and query don't match up or
1116 * the query has already completed, nothing is done. Otherwise the
1117 * query is canceled and will complete with a status of -EINTR.
1119 void ib_sa_cancel_query(int id, struct ib_sa_query *query) in ib_sa_cancel_query() argument
1125 if (xa_load(&queries, id) != query) { in ib_sa_cancel_query()
1129 mad_buf = query->mad_buf; in ib_sa_cancel_query()
1133 * If the query is still on the netlink request list, schedule in ib_sa_cancel_query()
1137 if (!ib_nl_cancel_request(query)) in ib_sa_cancel_query()
1236 static int alloc_mad(struct ib_sa_query *query, gfp_t gfp_mask) in alloc_mad() argument
1241 spin_lock_irqsave(&query->port->ah_lock, flags); in alloc_mad()
1242 if (!query->port->sm_ah) { in alloc_mad()
1243 spin_unlock_irqrestore(&query->port->ah_lock, flags); in alloc_mad()
1246 kref_get(&query->port->sm_ah->ref); in alloc_mad()
1247 query->sm_ah = query->port->sm_ah; in alloc_mad()
1248 spin_unlock_irqrestore(&query->port->ah_lock, flags); in alloc_mad()
1254 if ((rdma_query_ah(query->sm_ah->ah, &ah_attr) < 0) || in alloc_mad()
1256 kref_put(&query->sm_ah->ref, free_sm_ah); in alloc_mad()
1259 query->mad_buf = ib_create_send_mad(query->port->agent, 1, in alloc_mad()
1260 query->sm_ah->pkey_index, in alloc_mad()
1263 ((query->flags & IB_SA_QUERY_OPA) ? in alloc_mad()
1266 if (IS_ERR(query->mad_buf)) { in alloc_mad()
1267 kref_put(&query->sm_ah->ref, free_sm_ah); in alloc_mad()
1271 query->mad_buf->ah = query->sm_ah->ah; in alloc_mad()
1276 static void free_mad(struct ib_sa_query *query) in free_mad() argument
1278 ib_free_send_mad(query->mad_buf); in free_mad()
1279 kref_put(&query->sm_ah->ref, free_sm_ah); in free_mad()
1282 static void init_mad(struct ib_sa_query *query, struct ib_mad_agent *agent) in init_mad() argument
1284 struct ib_sa_mad *mad = query->mad_buf->mad; in init_mad()
1289 if (query->flags & IB_SA_QUERY_OPA) { in init_mad()
1303 static int send_mad(struct ib_sa_query *query, unsigned long timeout_ms, in send_mad() argument
1311 ret = __xa_alloc(&queries, &id, query, xa_limit_32b, gfp_mask); in send_mad()
1316 query->mad_buf->timeout_ms = timeout_ms / nmbr_sa_query_retries; in send_mad()
1317 query->mad_buf->retries = nmbr_sa_query_retries; in send_mad()
1318 if (!query->mad_buf->timeout_ms) { in send_mad()
1320 query->mad_buf->timeout_ms = 1; in send_mad()
1321 query->mad_buf->retries = timeout_ms; in send_mad()
1323 query->mad_buf->context[0] = query; in send_mad()
1324 query->id = id; in send_mad()
1326 if ((query->flags & IB_SA_ENABLE_LOCAL_SERVICE) && in send_mad()
1327 (!(query->flags & IB_SA_QUERY_OPA))) { in send_mad()
1329 if (!ib_nl_make_request(query, gfp_mask)) in send_mad()
1332 ib_sa_disable_local_svc(query); in send_mad()
1335 ret = ib_post_send_mad(query->mad_buf, NULL); in send_mad()
1343 * It's not safe to dereference query any more, because the in send_mad()
1344 * send may already have completed and freed the query in in send_mad()
1390 * opa_pr_query_possible - Check if current PR query can be an OPA query.
1392 * Retuns PR_NOT_SUPPORTED if a path record query is not
1393 * possible, PR_OPA_SUPPORTED if an OPA path record query
1395 * query is possible.
1419 struct ib_sa_path_query *query = in ib_sa_path_rec_callback() local
1430 query->callback(status, &rec, query->context); in ib_sa_path_rec_callback()
1438 if (query->conv_pr) { in ib_sa_path_rec_callback()
1443 query->callback(status, &opa, query->context); in ib_sa_path_rec_callback()
1445 query->callback(status, &rec, query->context); in ib_sa_path_rec_callback()
1449 query->callback(status, NULL, query->context); in ib_sa_path_rec_callback()
1454 struct ib_sa_path_query *query = in ib_sa_path_rec_release() local
1457 kfree(query->conv_pr); in ib_sa_path_rec_release()
1458 kfree(query); in ib_sa_path_rec_release()
1462 * ib_sa_path_rec_get - Start a Path get query
1464 * @device:device to send query on
1465 * @port_num: port number to send query on
1466 * @rec:Path Record to send in query
1467 * @comp_mask:component mask to send in query
1470 * @callback:function called when query completes, times out or is
1473 * @sa_query:query context, used to cancel query
1475 * Send a Path Record Get query to the SA to look up a path. The
1476 * callback function will be called when the query completes (or
1477 * fails); status is 0 for a successful response, -EINTR if the query
1478 * is canceled, -ETIMEDOUT is the query timed out, or -EIO if an error
1479 * occurred sending the query. The resp parameter of the callback is
1483 * error code. Otherwise it is a query ID that can be used to cancel
1484 * the query.
1497 struct ib_sa_path_query *query; in ib_sa_path_rec_get() local
1515 query = kzalloc(sizeof(*query), gfp_mask); in ib_sa_path_rec_get()
1516 if (!query) in ib_sa_path_rec_get()
1519 query->sa_query.port = port; in ib_sa_path_rec_get()
1526 query->sa_query.flags |= IB_SA_QUERY_OPA; in ib_sa_path_rec_get()
1528 query->conv_pr = in ib_sa_path_rec_get()
1529 kmalloc(sizeof(*query->conv_pr), gfp_mask); in ib_sa_path_rec_get()
1530 if (!query->conv_pr) { in ib_sa_path_rec_get()
1537 ret = alloc_mad(&query->sa_query, gfp_mask); in ib_sa_path_rec_get()
1542 query->sa_query.client = client; in ib_sa_path_rec_get()
1543 query->callback = callback; in ib_sa_path_rec_get()
1544 query->context = context; in ib_sa_path_rec_get()
1546 mad = query->sa_query.mad_buf->mad; in ib_sa_path_rec_get()
1547 init_mad(&query->sa_query, agent); in ib_sa_path_rec_get()
1549 query->sa_query.callback = callback ? ib_sa_path_rec_callback : NULL; in ib_sa_path_rec_get()
1550 query->sa_query.release = ib_sa_path_rec_release; in ib_sa_path_rec_get()
1555 if (query->sa_query.flags & IB_SA_QUERY_OPA) { in ib_sa_path_rec_get()
1558 } else if (query->conv_pr) { in ib_sa_path_rec_get()
1559 sa_convert_path_opa_to_ib(query->conv_pr, rec); in ib_sa_path_rec_get()
1561 query->conv_pr, mad->data); in ib_sa_path_rec_get()
1567 *sa_query = &query->sa_query; in ib_sa_path_rec_get()
1569 query->sa_query.flags |= IB_SA_ENABLE_LOCAL_SERVICE; in ib_sa_path_rec_get()
1570 query->sa_query.mad_buf->context[1] = (query->conv_pr) ? in ib_sa_path_rec_get()
1571 query->conv_pr : rec; in ib_sa_path_rec_get()
1573 ret = send_mad(&query->sa_query, timeout_ms, gfp_mask); in ib_sa_path_rec_get()
1581 ib_sa_client_put(query->sa_query.client); in ib_sa_path_rec_get()
1582 free_mad(&query->sa_query); in ib_sa_path_rec_get()
1584 kfree(query->conv_pr); in ib_sa_path_rec_get()
1586 kfree(query); in ib_sa_path_rec_get()
1595 struct ib_sa_mcmember_query *query = in ib_sa_mcmember_rec_callback() local
1603 query->callback(status, &rec, query->context); in ib_sa_mcmember_rec_callback()
1605 query->callback(status, NULL, query->context); in ib_sa_mcmember_rec_callback()
1625 struct ib_sa_mcmember_query *query; in ib_sa_mcmember_rec_query() local
1638 query = kzalloc(sizeof(*query), gfp_mask); in ib_sa_mcmember_rec_query()
1639 if (!query) in ib_sa_mcmember_rec_query()
1642 query->sa_query.port = port; in ib_sa_mcmember_rec_query()
1643 ret = alloc_mad(&query->sa_query, gfp_mask); in ib_sa_mcmember_rec_query()
1648 query->sa_query.client = client; in ib_sa_mcmember_rec_query()
1649 query->callback = callback; in ib_sa_mcmember_rec_query()
1650 query->context = context; in ib_sa_mcmember_rec_query()
1652 mad = query->sa_query.mad_buf->mad; in ib_sa_mcmember_rec_query()
1653 init_mad(&query->sa_query, agent); in ib_sa_mcmember_rec_query()
1655 query->sa_query.callback = callback ? ib_sa_mcmember_rec_callback : NULL; in ib_sa_mcmember_rec_query()
1656 query->sa_query.release = ib_sa_mcmember_rec_release; in ib_sa_mcmember_rec_query()
1664 *sa_query = &query->sa_query; in ib_sa_mcmember_rec_query()
1666 ret = send_mad(&query->sa_query, timeout_ms, gfp_mask); in ib_sa_mcmember_rec_query()
1674 ib_sa_client_put(query->sa_query.client); in ib_sa_mcmember_rec_query()
1675 free_mad(&query->sa_query); in ib_sa_mcmember_rec_query()
1678 kfree(query); in ib_sa_mcmember_rec_query()
1687 struct ib_sa_guidinfo_query *query = in ib_sa_guidinfo_rec_callback() local
1695 query->callback(status, &rec, query->context); in ib_sa_guidinfo_rec_callback()
1697 query->callback(status, NULL, query->context); in ib_sa_guidinfo_rec_callback()
1716 struct ib_sa_guidinfo_query *query; in ib_sa_guid_info_rec_query() local
1735 query = kzalloc(sizeof(*query), gfp_mask); in ib_sa_guid_info_rec_query()
1736 if (!query) in ib_sa_guid_info_rec_query()
1739 query->sa_query.port = port; in ib_sa_guid_info_rec_query()
1740 ret = alloc_mad(&query->sa_query, gfp_mask); in ib_sa_guid_info_rec_query()
1745 query->sa_query.client = client; in ib_sa_guid_info_rec_query()
1746 query->callback = callback; in ib_sa_guid_info_rec_query()
1747 query->context = context; in ib_sa_guid_info_rec_query()
1749 mad = query->sa_query.mad_buf->mad; in ib_sa_guid_info_rec_query()
1750 init_mad(&query->sa_query, agent); in ib_sa_guid_info_rec_query()
1752 query->sa_query.callback = callback ? ib_sa_guidinfo_rec_callback : NULL; in ib_sa_guid_info_rec_query()
1753 query->sa_query.release = ib_sa_guidinfo_rec_release; in ib_sa_guid_info_rec_query()
1762 *sa_query = &query->sa_query; in ib_sa_guid_info_rec_query()
1764 ret = send_mad(&query->sa_query, timeout_ms, gfp_mask); in ib_sa_guid_info_rec_query()
1772 ib_sa_client_put(query->sa_query.client); in ib_sa_guid_info_rec_query()
1773 free_mad(&query->sa_query); in ib_sa_guid_info_rec_query()
1776 kfree(query); in ib_sa_guid_info_rec_query()
1798 struct ib_sa_classport_info_query *query = in ib_sa_classport_info_rec_callback() local
1842 query->callback(query->context); in ib_sa_classport_info_rec_callback()
1858 struct ib_sa_classport_info_query *query; in ib_sa_classport_info_rec_query() local
1865 query = kzalloc(sizeof(*query), gfp_mask); in ib_sa_classport_info_rec_query()
1866 if (!query) in ib_sa_classport_info_rec_query()
1869 query->sa_query.port = port; in ib_sa_classport_info_rec_query()
1870 query->sa_query.flags |= rdma_cap_opa_ah(port->agent->device, in ib_sa_classport_info_rec_query()
1873 ret = alloc_mad(&query->sa_query, gfp_mask); in ib_sa_classport_info_rec_query()
1877 query->callback = callback; in ib_sa_classport_info_rec_query()
1878 query->context = context; in ib_sa_classport_info_rec_query()
1880 mad = query->sa_query.mad_buf->mad; in ib_sa_classport_info_rec_query()
1881 init_mad(&query->sa_query, agent); in ib_sa_classport_info_rec_query()
1883 query->sa_query.callback = ib_sa_classport_info_rec_callback; in ib_sa_classport_info_rec_query()
1884 query->sa_query.release = ib_sa_classport_info_rec_release; in ib_sa_classport_info_rec_query()
1888 *sa_query = &query->sa_query; in ib_sa_classport_info_rec_query()
1890 ret = send_mad(&query->sa_query, timeout_ms, gfp_mask); in ib_sa_classport_info_rec_query()
1898 free_mad(&query->sa_query); in ib_sa_classport_info_rec_query()
1901 kfree(query); in ib_sa_classport_info_rec_query()
1939 /* If the classport info is still not valid, the query should have in update_ib_cpi()
1940 * failed for some reason. Retry issuing the query in update_ib_cpi()
1961 struct ib_sa_query *query = mad_send_wc->send_buf->context[0]; in send_handler() local
1964 if (query->callback) in send_handler()
1970 query->callback(query, -ETIMEDOUT, NULL); in send_handler()
1973 query->callback(query, -EINTR, NULL); in send_handler()
1976 query->callback(query, -EIO, NULL); in send_handler()
1981 __xa_erase(&queries, query->id); in send_handler()
1984 free_mad(query); in send_handler()
1985 if (query->client) in send_handler()
1986 ib_sa_client_put(query->client); in send_handler()
1987 query->release(query); in send_handler()
1994 struct ib_sa_query *query; in recv_handler() local
1999 query = send_buf->context[0]; in recv_handler()
2000 if (query->callback) { in recv_handler()
2002 query->callback(query, in recv_handler()
2007 query->callback(query, -EIO, NULL); in recv_handler()
2023 pr_warn("Couldn't query port\n"); in update_sm_ah()