1c39526b7SPramod Gunjikar /* 2c39526b7SPramod Gunjikar * This file contains definitions used in OFED defined user/kernel 3c39526b7SPramod Gunjikar * interfaces. These are imported from the OFED header rdma_cm.h. Oracle 4c39526b7SPramod Gunjikar * elects to have and use the contents of rdma_cm.h under and governed 5c39526b7SPramod Gunjikar * by the OpenIB.org BSD license (see below for details). However, 6c39526b7SPramod Gunjikar * the following notice accompanied the original version of this file: 7c39526b7SPramod Gunjikar */ 8c39526b7SPramod Gunjikar 9c39526b7SPramod Gunjikar /* 10c39526b7SPramod Gunjikar * Copyright (c) 2005 Voltaire Inc. All rights reserved. 11c39526b7SPramod Gunjikar * Copyright (c) 2005 Intel Corporation. All rights reserved. 12c39526b7SPramod Gunjikar * 13c39526b7SPramod Gunjikar * This Software is licensed under one of the following licenses: 14c39526b7SPramod Gunjikar * 15c39526b7SPramod Gunjikar * 1) under the terms of the "Common Public License 1.0" a copy of which is 16c39526b7SPramod Gunjikar * available from the Open Source Initiative, see 17c39526b7SPramod Gunjikar * http://www.opensource.org/licenses/cpl.php. 18c39526b7SPramod Gunjikar * 19c39526b7SPramod Gunjikar * 2) under the terms of the "The BSD License" a copy of which is 20c39526b7SPramod Gunjikar * available from the Open Source Initiative, see 21c39526b7SPramod Gunjikar * http://www.opensource.org/licenses/bsd-license.php. 22c39526b7SPramod Gunjikar * 23c39526b7SPramod Gunjikar * 3) under the terms of the "GNU General Public License (GPL) Version 2" a 24c39526b7SPramod Gunjikar * copy of which is available from the Open Source Initiative, see 25c39526b7SPramod Gunjikar * http://www.opensource.org/licenses/gpl-license.php. 26c39526b7SPramod Gunjikar * 27c39526b7SPramod Gunjikar * Licensee has the right to choose one of the above licenses. 28c39526b7SPramod Gunjikar * 29c39526b7SPramod Gunjikar * Redistributions of source code must retain the above copyright 30c39526b7SPramod Gunjikar * notice and one of the license notices. 31c39526b7SPramod Gunjikar * 32c39526b7SPramod Gunjikar * Redistributions in binary form must reproduce both the above copyright 33c39526b7SPramod Gunjikar * notice, one of the license notices in the documentation 34c39526b7SPramod Gunjikar * and/or other materials provided with the distribution. 35c39526b7SPramod Gunjikar * 36c39526b7SPramod Gunjikar */ 37c39526b7SPramod Gunjikar 38c39526b7SPramod Gunjikar #ifndef _SYS_IB_CLIENTS_OF_RDMA_RDMA_CM_H 39c39526b7SPramod Gunjikar #define _SYS_IB_CLIENTS_OF_RDMA_RDMA_CM_H 40c39526b7SPramod Gunjikar 41c39526b7SPramod Gunjikar #ifdef __cplusplus 42c39526b7SPramod Gunjikar extern "C" { 43c39526b7SPramod Gunjikar #endif 44c39526b7SPramod Gunjikar 45c39526b7SPramod Gunjikar #include <sys/socket.h> 46c39526b7SPramod Gunjikar 47c39526b7SPramod Gunjikar /* 48c39526b7SPramod Gunjikar * Upon receiving a device removal event, users must destroy the associated 49c39526b7SPramod Gunjikar * RDMA identifier and release all resources allocated with the device. 50c39526b7SPramod Gunjikar */ 51c39526b7SPramod Gunjikar enum rdma_cm_event_type { 52c39526b7SPramod Gunjikar RDMA_CM_EVENT_ADDR_RESOLVED, 53c39526b7SPramod Gunjikar RDMA_CM_EVENT_ADDR_ERROR, 54c39526b7SPramod Gunjikar RDMA_CM_EVENT_ROUTE_RESOLVED, 55c39526b7SPramod Gunjikar RDMA_CM_EVENT_ROUTE_ERROR, 56c39526b7SPramod Gunjikar RDMA_CM_EVENT_CONNECT_REQUEST, 57c39526b7SPramod Gunjikar RDMA_CM_EVENT_CONNECT_RESPONSE, 58c39526b7SPramod Gunjikar RDMA_CM_EVENT_CONNECT_ERROR, 59c39526b7SPramod Gunjikar RDMA_CM_EVENT_UNREACHABLE, 60c39526b7SPramod Gunjikar RDMA_CM_EVENT_REJECTED, 61c39526b7SPramod Gunjikar RDMA_CM_EVENT_ESTABLISHED, 62c39526b7SPramod Gunjikar RDMA_CM_EVENT_DISCONNECTED, 63c39526b7SPramod Gunjikar RDMA_CM_EVENT_DEVICE_REMOVAL, 64c39526b7SPramod Gunjikar RDMA_CM_EVENT_MULTICAST_JOIN, 65*588575c8SRichard Lowe RDMA_CM_EVENT_MULTICAST_ERROR, 66*588575c8SRichard Lowe RDMA_CM_EVENT_ADDR_CHANGE 67c39526b7SPramod Gunjikar }; 68c39526b7SPramod Gunjikar 69c39526b7SPramod Gunjikar enum rdma_port_space { 70c39526b7SPramod Gunjikar RDMA_PS_SDP = 0x0001, 71c39526b7SPramod Gunjikar RDMA_PS_IPOIB = 0x0002, 72c39526b7SPramod Gunjikar RDMA_PS_TCP = 0x0106, 73c39526b7SPramod Gunjikar RDMA_PS_UDP = 0x0111, 74c39526b7SPramod Gunjikar RDMA_PS_SCTP = 0x0183 75c39526b7SPramod Gunjikar }; 76c39526b7SPramod Gunjikar 77c39526b7SPramod Gunjikar struct rdma_addr { 78c39526b7SPramod Gunjikar struct sockaddr src_addr; 79c39526b7SPramod Gunjikar uint8_t src_pad[sizeof (struct sockaddr_in6) - 80c39526b7SPramod Gunjikar sizeof (struct sockaddr)]; 81c39526b7SPramod Gunjikar struct sockaddr dst_addr; 82c39526b7SPramod Gunjikar uint8_t dst_pad[sizeof (struct sockaddr_in6) - 83c39526b7SPramod Gunjikar sizeof (struct sockaddr)]; 84c39526b7SPramod Gunjikar struct rdma_dev_addr dev_addr; 85c39526b7SPramod Gunjikar }; 86c39526b7SPramod Gunjikar 87c39526b7SPramod Gunjikar struct rdma_route { 88c39526b7SPramod Gunjikar struct rdma_addr addr; 89c39526b7SPramod Gunjikar struct ib_sa_path_rec *path_rec; 90c39526b7SPramod Gunjikar int num_paths; 91c39526b7SPramod Gunjikar }; 92c39526b7SPramod Gunjikar 93c39526b7SPramod Gunjikar struct rdma_conn_param { 94c39526b7SPramod Gunjikar const void *private_data; 95c39526b7SPramod Gunjikar uint8_t private_data_len; 96c39526b7SPramod Gunjikar uint8_t responder_resources; 97c39526b7SPramod Gunjikar uint8_t initiator_depth; 98c39526b7SPramod Gunjikar uint8_t flow_control; 99c39526b7SPramod Gunjikar uint8_t retry_count; /* ignored when accepting */ 100c39526b7SPramod Gunjikar uint8_t rnr_retry_count; 101c39526b7SPramod Gunjikar /* Fields below ignored if a QP is created on the rdma_cm_id. */ 102c39526b7SPramod Gunjikar uint8_t srq; 103c39526b7SPramod Gunjikar uint32_t qp_num; 104c39526b7SPramod Gunjikar }; 105c39526b7SPramod Gunjikar 106c39526b7SPramod Gunjikar struct rdma_ud_param { 107c39526b7SPramod Gunjikar const void *private_data; 108c39526b7SPramod Gunjikar uint8_t private_data_len; 109c39526b7SPramod Gunjikar struct ib_ah_attr ah_attr; 110c39526b7SPramod Gunjikar uint32_t qp_num; 111c39526b7SPramod Gunjikar uint32_t qkey; 112c39526b7SPramod Gunjikar }; 113c39526b7SPramod Gunjikar 114c39526b7SPramod Gunjikar struct rdma_cm_event { 115c39526b7SPramod Gunjikar enum rdma_cm_event_type event; 116c39526b7SPramod Gunjikar int status; 117c39526b7SPramod Gunjikar union { 118c39526b7SPramod Gunjikar struct rdma_conn_param conn; 119c39526b7SPramod Gunjikar struct rdma_ud_param ud; 120c39526b7SPramod Gunjikar } param; 121c39526b7SPramod Gunjikar }; 122c39526b7SPramod Gunjikar 123c39526b7SPramod Gunjikar struct rdma_cm_id; 124c39526b7SPramod Gunjikar 125c39526b7SPramod Gunjikar /* 126c39526b7SPramod Gunjikar * rdma_cm_event_handler - Callback used to report user events. 127c39526b7SPramod Gunjikar * 128c39526b7SPramod Gunjikar * Notes: Users may not call rdma_destroy_id from this callback to destroy 129c39526b7SPramod Gunjikar * the passed in id, or a corresponding listen id. Returning a 130c39526b7SPramod Gunjikar * non-zero value from the callback will destroy the passed in id. 131c39526b7SPramod Gunjikar */ 132c39526b7SPramod Gunjikar typedef int (*rdma_cm_event_handler)(struct rdma_cm_id *id, 133c39526b7SPramod Gunjikar struct rdma_cm_event *event); 134c39526b7SPramod Gunjikar 135c39526b7SPramod Gunjikar struct rdma_cm_id { 136c39526b7SPramod Gunjikar struct ib_device *device; 137c39526b7SPramod Gunjikar void *context; 138c39526b7SPramod Gunjikar struct ib_qp *qp; 139c39526b7SPramod Gunjikar rdma_cm_event_handler event_handler; 140c39526b7SPramod Gunjikar struct rdma_route route; 141c39526b7SPramod Gunjikar enum rdma_port_space ps; 142c39526b7SPramod Gunjikar uint8_t port_num; 143c39526b7SPramod Gunjikar }; 144c39526b7SPramod Gunjikar 145c39526b7SPramod Gunjikar /* 146c39526b7SPramod Gunjikar * rdma_create_id - Create an RDMA identifier. 147c39526b7SPramod Gunjikar * 148c39526b7SPramod Gunjikar * @event_handler: User callback invoked to report events associated with the 149c39526b7SPramod Gunjikar * returned rdma_id. 150c39526b7SPramod Gunjikar * @context: User specified context associated with the id. 151c39526b7SPramod Gunjikar * @ps: RDMA port space. 152c39526b7SPramod Gunjikar */ 153c39526b7SPramod Gunjikar struct rdma_cm_id *rdma_create_id(rdma_cm_event_handler event_handler, 154c39526b7SPramod Gunjikar void *context, enum rdma_port_space ps); 155c39526b7SPramod Gunjikar 156c39526b7SPramod Gunjikar /* 157c39526b7SPramod Gunjikar * rdma_map_id2clnthdl - 158c39526b7SPramod Gunjikar * Maps RDMA identifier with IBTF and / or ROF client handles. Either 159c39526b7SPramod Gunjikar * of the handles can be NULL, but both should not be NULL. This API 160c39526b7SPramod Gunjikar * is called just after calling rdma_create_id() on the passive side. 161c39526b7SPramod Gunjikar * 162c39526b7SPramod Gunjikar * rdma_map_id2qphdl - 163c39526b7SPramod Gunjikar * This is used to map RDMA-CM ID to IBTF or ROF client handle and 164c39526b7SPramod Gunjikar * the QP handle. This is called by the passive side just after 165c39526b7SPramod Gunjikar * rdma_create_id() and on the active side just before rdma_accept() 166c39526b7SPramod Gunjikar * in the CONNECTION_REQUEST event handler. 167c39526b7SPramod Gunjikar */ 168c39526b7SPramod Gunjikar void rdma_map_id2clnthdl(struct rdma_cm_id *id, void *ib_client_hdl, 169c39526b7SPramod Gunjikar void *iw_client_hdl); 170c39526b7SPramod Gunjikar void rdma_map_id2qphdl(struct rdma_cm_id *id, void *qp_hdl); 171c39526b7SPramod Gunjikar 172c39526b7SPramod Gunjikar /* 173c39526b7SPramod Gunjikar * rdma_destroy_id - Destroys an RDMA identifier. 174c39526b7SPramod Gunjikar * 175c39526b7SPramod Gunjikar * @id: RDMA identifier. 176c39526b7SPramod Gunjikar * 177c39526b7SPramod Gunjikar * Note: calling this function has the effect of canceling in-flight 178c39526b7SPramod Gunjikar * asynchronous operations associated with the id. 179c39526b7SPramod Gunjikar */ 180c39526b7SPramod Gunjikar void rdma_destroy_id(struct rdma_cm_id *id); 181c39526b7SPramod Gunjikar 182c39526b7SPramod Gunjikar /* 183c39526b7SPramod Gunjikar * rdma_bind_addr - Bind an RDMA identifier to a source address and 184c39526b7SPramod Gunjikar * associated RDMA device, if needed. 185c39526b7SPramod Gunjikar * 186c39526b7SPramod Gunjikar * @id: RDMA identifier. 187c39526b7SPramod Gunjikar * @addr: Local address information. Wildcard values are permitted. 188c39526b7SPramod Gunjikar * 189c39526b7SPramod Gunjikar * This associates a source address with the RDMA identifier before calling 190c39526b7SPramod Gunjikar * rdma_listen. If a specific local address is given, the RDMA identifier will 191c39526b7SPramod Gunjikar * be bound to a local RDMA device. 192c39526b7SPramod Gunjikar */ 193c39526b7SPramod Gunjikar int rdma_bind_addr(struct rdma_cm_id *id, struct sockaddr *addr); 194c39526b7SPramod Gunjikar 195c39526b7SPramod Gunjikar /* 196c39526b7SPramod Gunjikar * rdma_resolve_addr - Resolve destination and optional source addresses 197c39526b7SPramod Gunjikar * from IP addresses to an RDMA address. If successful, the specified 198c39526b7SPramod Gunjikar * rdma_cm_id will be bound to a local device. 199c39526b7SPramod Gunjikar * 200c39526b7SPramod Gunjikar * @id: RDMA identifier. 201c39526b7SPramod Gunjikar * @src_addr: Source address information. This parameter may be NULL. 202c39526b7SPramod Gunjikar * @dst_addr: Destination address information. 203c39526b7SPramod Gunjikar * @timeout_ms: Time to wait for resolution to complete. 204c39526b7SPramod Gunjikar */ 205c39526b7SPramod Gunjikar int rdma_resolve_addr(struct rdma_cm_id *id, struct sockaddr *src_addr, 206c39526b7SPramod Gunjikar struct sockaddr *dst_addr, int timeout_ms); 207c39526b7SPramod Gunjikar 208c39526b7SPramod Gunjikar /* 209c39526b7SPramod Gunjikar * rdma_resolve_route - Resolve the RDMA address bound to the RDMA identifier 210c39526b7SPramod Gunjikar * into route information needed to establish a connection. 211c39526b7SPramod Gunjikar * 212c39526b7SPramod Gunjikar * This is called on the client side of a connection. 213c39526b7SPramod Gunjikar * Users must have first called rdma_resolve_addr to resolve a dst_addr 214c39526b7SPramod Gunjikar * into an RDMA address before calling this routine. 215c39526b7SPramod Gunjikar */ 216c39526b7SPramod Gunjikar int rdma_resolve_route(struct rdma_cm_id *id, int timeout_ms); 217c39526b7SPramod Gunjikar 218c39526b7SPramod Gunjikar 219c39526b7SPramod Gunjikar /* 220c39526b7SPramod Gunjikar * rdma_init_qp_attr - Initializes the QP attributes for use in transitioning 221c39526b7SPramod Gunjikar * to a specified QP state. 222c39526b7SPramod Gunjikar * @id: Communication identifier associated with the QP attributes to 223c39526b7SPramod Gunjikar * initialize. 224c39526b7SPramod Gunjikar * @qp_attr: On input, specifies the desired QP state. On output, the 225c39526b7SPramod Gunjikar * mandatory and desired optional attributes will be set in order to 226c39526b7SPramod Gunjikar * modify the QP to the specified state. 227c39526b7SPramod Gunjikar * @qp_attr_mask: The QP attribute mask that may be used to transition the 228c39526b7SPramod Gunjikar * QP to the specified state. 229c39526b7SPramod Gunjikar * 230c39526b7SPramod Gunjikar * Users must set the @qp_attr->qp_state to the desired QP state. This call 231c39526b7SPramod Gunjikar * will set all required attributes for the given transition, along with 232c39526b7SPramod Gunjikar * known optional attributes. Users may override the attributes returned from 233c39526b7SPramod Gunjikar * this call before calling ib_modify_qp. 234c39526b7SPramod Gunjikar * 235c39526b7SPramod Gunjikar * Users that wish to have their QP automatically transitioned through its 236c39526b7SPramod Gunjikar * states can associate a QP with the rdma_cm_id by calling rdma_create_qp(). 237c39526b7SPramod Gunjikar */ 238c39526b7SPramod Gunjikar int rdma_init_qp_attr(struct rdma_cm_id *id, struct ib_qp_attr *qp_attr, 239c39526b7SPramod Gunjikar int *qp_attr_mask); 240c39526b7SPramod Gunjikar /* 241c39526b7SPramod Gunjikar * rdma_connect - Initiate an active connection request. 242c39526b7SPramod Gunjikar * @id: Connection identifier to connect. 243c39526b7SPramod Gunjikar * @conn_param: Connection information used for connected QPs. 244c39526b7SPramod Gunjikar * 245c39526b7SPramod Gunjikar * Users must have resolved a route for the rdma_cm_id to connect with 246c39526b7SPramod Gunjikar * by having called rdma_resolve_route before calling this routine. 247c39526b7SPramod Gunjikar * 248c39526b7SPramod Gunjikar * This call will either connect to a remote QP or obtain remote QP 249c39526b7SPramod Gunjikar * information for unconnected rdma_cm_id's. The actual operation is 250c39526b7SPramod Gunjikar * based on the rdma_cm_id's port space. 251c39526b7SPramod Gunjikar */ 252c39526b7SPramod Gunjikar int rdma_connect(struct rdma_cm_id *id, struct rdma_conn_param *conn_param); 253c39526b7SPramod Gunjikar 254c39526b7SPramod Gunjikar /* 255c39526b7SPramod Gunjikar * rdma_listen - This function is called by the passive side to 256c39526b7SPramod Gunjikar * listen for incoming connection requests. 257c39526b7SPramod Gunjikar * 258c39526b7SPramod Gunjikar * Users must have bound the rdma_cm_id to a local address by calling 259c39526b7SPramod Gunjikar * rdma_bind_addr before calling this routine. 260c39526b7SPramod Gunjikar */ 261c39526b7SPramod Gunjikar int rdma_listen(struct rdma_cm_id *id, int backlog); 262c39526b7SPramod Gunjikar 263c39526b7SPramod Gunjikar /* 264c39526b7SPramod Gunjikar * rdma_accept - Called to accept a connection request or response. 265c39526b7SPramod Gunjikar * @id: Connection identifier associated with the request. 266c39526b7SPramod Gunjikar * @conn_param: Information needed to establish the connection. This must be 267c39526b7SPramod Gunjikar * provided if accepting a connection request. If accepting a connection 268c39526b7SPramod Gunjikar * response, this parameter must be NULL. 269c39526b7SPramod Gunjikar * 270c39526b7SPramod Gunjikar * Typically, this routine is only called by the listener to accept a connection 271c39526b7SPramod Gunjikar * request. It must also be called on the active side of a connection if the 272c39526b7SPramod Gunjikar * user is performing their own QP transitions. 273c39526b7SPramod Gunjikar * 274c39526b7SPramod Gunjikar * In the case of error, a reject message is sent to the remote side and the 275c39526b7SPramod Gunjikar * state of the qp associated with the id is modified to error, such that any 276c39526b7SPramod Gunjikar * previously posted receive buffers would be flushed. 277c39526b7SPramod Gunjikar */ 278c39526b7SPramod Gunjikar int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param); 279c39526b7SPramod Gunjikar 280c39526b7SPramod Gunjikar /* 281c39526b7SPramod Gunjikar * rdma_notify - Notifies the RDMA CM of an asynchronous event that has 282c39526b7SPramod Gunjikar * occurred on the connection. 283c39526b7SPramod Gunjikar * @id: Connection identifier to transition to established. 284c39526b7SPramod Gunjikar * @event: Asynchronous event. 285c39526b7SPramod Gunjikar * 286c39526b7SPramod Gunjikar * This routine should be invoked by users to notify the CM of relevant 287c39526b7SPramod Gunjikar * communication events. Events that should be reported to the CM and 288c39526b7SPramod Gunjikar * when to report them are: 289c39526b7SPramod Gunjikar * 290c39526b7SPramod Gunjikar * IB_EVENT_COMM_EST - Used when a message is received on a connected 291c39526b7SPramod Gunjikar * QP before an RTU has been received. 292c39526b7SPramod Gunjikar */ 293c39526b7SPramod Gunjikar int rdma_notify(struct rdma_cm_id *id, enum ib_event_type event); 294c39526b7SPramod Gunjikar 295c39526b7SPramod Gunjikar /* 296c39526b7SPramod Gunjikar * rdma_reject - Called to reject a connection request or response. 297c39526b7SPramod Gunjikar */ 298c39526b7SPramod Gunjikar int rdma_reject(struct rdma_cm_id *id, const void *private_data, 299c39526b7SPramod Gunjikar uint8_t private_data_len); 300c39526b7SPramod Gunjikar 301c39526b7SPramod Gunjikar /* 302c39526b7SPramod Gunjikar * rdma_disconnect - This function disconnects the associated QP and 303c39526b7SPramod Gunjikar * transitions it into the error state. 304c39526b7SPramod Gunjikar */ 305c39526b7SPramod Gunjikar int rdma_disconnect(struct rdma_cm_id *id); 306c39526b7SPramod Gunjikar 307c39526b7SPramod Gunjikar /* 308c39526b7SPramod Gunjikar * rdma_join_multicast - Join the multicast group specified by the given 309c39526b7SPramod Gunjikar * address. 310c39526b7SPramod Gunjikar * @id: Communication identifier associated with the request. 311c39526b7SPramod Gunjikar * @addr: Multicast address identifying the group to join. 312c39526b7SPramod Gunjikar * @context: User-defined context associated with the join request, returned 313c39526b7SPramod Gunjikar * to the user through the private_data pointer in multicast events. 314c39526b7SPramod Gunjikar */ 315c39526b7SPramod Gunjikar int rdma_join_multicast(struct rdma_cm_id *id, struct sockaddr *addr, 316c39526b7SPramod Gunjikar void *context); 317c39526b7SPramod Gunjikar 318c39526b7SPramod Gunjikar /* 319c39526b7SPramod Gunjikar * rdma_leave_multicast - Leave the multicast group specified by the given 320c39526b7SPramod Gunjikar * address. 321c39526b7SPramod Gunjikar */ 322c39526b7SPramod Gunjikar void rdma_leave_multicast(struct rdma_cm_id *id, struct sockaddr *addr); 323c39526b7SPramod Gunjikar 324c39526b7SPramod Gunjikar /* 325c39526b7SPramod Gunjikar * rdma_set_service_type - Set the type of service associated with a 326c39526b7SPramod Gunjikar * connection identifier. 327c39526b7SPramod Gunjikar * @id: Communication identifier to associated with service type. 328c39526b7SPramod Gunjikar * @tos: Type of service. 329c39526b7SPramod Gunjikar * 330c39526b7SPramod Gunjikar * The type of service is interpretted as a differentiated service 331c39526b7SPramod Gunjikar * field (RFC 2474). The service type should be specified before 332c39526b7SPramod Gunjikar * performing route resolution, as existing communication on the 333c39526b7SPramod Gunjikar * connection identifier may be unaffected. The type of service 334c39526b7SPramod Gunjikar * requested may not be supported by the network to all destinations. 335c39526b7SPramod Gunjikar */ 336c39526b7SPramod Gunjikar void rdma_set_service_type(struct rdma_cm_id *id, int tos); 337c39526b7SPramod Gunjikar 338c39526b7SPramod Gunjikar 339c39526b7SPramod Gunjikar /* 340c39526b7SPramod Gunjikar * rdma_create_qp - Allocate a QP and associate it with the specified RDMA 341c39526b7SPramod Gunjikar * identifier. 342c39526b7SPramod Gunjikar * 343c39526b7SPramod Gunjikar * QPs allocated to an rdma_cm_id will automatically be transitioned by the CMA 344c39526b7SPramod Gunjikar * through their states. 345c39526b7SPramod Gunjikar */ 346c39526b7SPramod Gunjikar int rdma_create_qp(struct rdma_cm_id *id, struct ib_pd *pd, 347c39526b7SPramod Gunjikar struct ib_qp_init_attr *qp_init_attr); 348c39526b7SPramod Gunjikar 349c39526b7SPramod Gunjikar /* 350c39526b7SPramod Gunjikar * rdma_destroy_qp - Deallocate the QP associated with the specified RDMA 351c39526b7SPramod Gunjikar * identifier. 352c39526b7SPramod Gunjikar * 353c39526b7SPramod Gunjikar * Users must destroy any QP associated with an RDMA identifier before 354c39526b7SPramod Gunjikar * destroying the RDMA ID. 355c39526b7SPramod Gunjikar */ 356c39526b7SPramod Gunjikar void rdma_destroy_qp(struct rdma_cm_id *id); 357c39526b7SPramod Gunjikar 358c39526b7SPramod Gunjikar #ifdef __cplusplus 359c39526b7SPramod Gunjikar } 360c39526b7SPramod Gunjikar #endif 361c39526b7SPramod Gunjikar #endif /* _SYS_IB_CLIENTS_OF_RDMA_RDMA_CM_H */ 362