[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / rdma / rdma_user_cm.h

/*
 * Copyright (c) 2005-2006 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.
 */

#ifndef RDMA_USER_CM_H
#define RDMA_USER_CM_H

#include <linux/types.h>
#include <linux/in6.h>
#include <rdma/ib_user_verbs.h>
#include <rdma/ib_user_sa.h>

#define RDMA_USER_CM_ABI_VERSION	4

#define RDMA_MAX_PRIVATE_DATA		256

enum {
	RDMA_USER_CM_CMD_CREATE_ID,
	RDMA_USER_CM_CMD_DESTROY_ID,
	RDMA_USER_CM_CMD_BIND_ADDR,
	RDMA_USER_CM_CMD_RESOLVE_ADDR,
	RDMA_USER_CM_CMD_RESOLVE_ROUTE,
	RDMA_USER_CM_CMD_QUERY_ROUTE,
	RDMA_USER_CM_CMD_CONNECT,
	RDMA_USER_CM_CMD_LISTEN,
	RDMA_USER_CM_CMD_ACCEPT,
	RDMA_USER_CM_CMD_REJECT,
	RDMA_USER_CM_CMD_DISCONNECT,
	RDMA_USER_CM_CMD_INIT_QP_ATTR,
	RDMA_USER_CM_CMD_GET_EVENT,
	RDMA_USER_CM_CMD_GET_OPTION,
	RDMA_USER_CM_CMD_SET_OPTION,
	RDMA_USER_CM_CMD_NOTIFY,
	RDMA_USER_CM_CMD_JOIN_MCAST,
	RDMA_USER_CM_CMD_LEAVE_MCAST,
	RDMA_USER_CM_CMD_MIGRATE_ID
};

/*
 * command ABI structures.
 */
struct rdma_ucm_cmd_hdr {
	__u32 cmd;
	__u16 in;
	__u16 out;
};

struct rdma_ucm_create_id {
	__u64 uid;
	__u64 response;
	__u16 ps;
	__u8  qp_type;
	__u8  reserved[5];
};

struct rdma_ucm_create_id_resp {
	__u32 id;
};

struct rdma_ucm_destroy_id {
	__u64 response;
	__u32 id;
	__u32 reserved;
};

struct rdma_ucm_destroy_id_resp {
	__u32 events_reported;
};

struct rdma_ucm_bind_addr {
	__u64 response;
	struct sockaddr_in6 addr;
	__u32 id;
};

struct rdma_ucm_resolve_addr {
	struct sockaddr_in6 src_addr;
	struct sockaddr_in6 dst_addr;
	__u32 id;
	__u32 timeout_ms;
};

struct rdma_ucm_resolve_route {
	__u32 id;
	__u32 timeout_ms;
};

struct rdma_ucm_query_route {
	__u64 response;
	__u32 id;
	__u32 reserved;
};

struct rdma_ucm_query_route_resp {
	__u64 node_guid;
	struct ib_user_path_rec ib_route[2];
	struct sockaddr_in6 src_addr;
	struct sockaddr_in6 dst_addr;
	__u32 num_paths;
	__u8 port_num;
	__u8 reserved[3];
};

struct rdma_ucm_conn_param {
	__u32 qp_num;
	__u32 reserved;
	__u8  private_data[RDMA_MAX_PRIVATE_DATA];
	__u8  private_data_len;
	__u8  srq;
	__u8  responder_resources;
	__u8  initiator_depth;
	__u8  flow_control;
	__u8  retry_count;
	__u8  rnr_retry_count;
	__u8  valid;
};

struct rdma_ucm_ud_param {
	__u32 qp_num;
	__u32 qkey;
	struct ib_uverbs_ah_attr ah_attr;
	__u8  private_data[RDMA_MAX_PRIVATE_DATA];
	__u8  private_data_len;
	__u8  reserved[7];
};

struct rdma_ucm_connect {
	struct rdma_ucm_conn_param conn_param;
	__u32 id;
	__u32 reserved;
};

struct rdma_ucm_listen {
	__u32 id;
	__u32 backlog;
};

struct rdma_ucm_accept {
	__u64 uid;
	struct rdma_ucm_conn_param conn_param;
	__u32 id;
	__u32 reserved;
};

struct rdma_ucm_reject {
	__u32 id;
	__u8  private_data_len;
	__u8  reserved[3];
	__u8  private_data[RDMA_MAX_PRIVATE_DATA];
};

struct rdma_ucm_disconnect {
	__u32 id;
};

struct rdma_ucm_init_qp_attr {
	__u64 response;
	__u32 id;
	__u32 qp_state;
};

struct rdma_ucm_notify {
	__u32 id;
	__u32 event;
};

struct rdma_ucm_join_mcast {
	__u64 response;		/* rdma_ucm_create_id_resp */
	__u64 uid;
	struct sockaddr_in6 addr;
	__u32 id;
};

struct rdma_ucm_get_event {
	__u64 response;
};

struct rdma_ucm_event_resp {
	__u64 uid;
	__u32 id;
	__u32 event;
	__u32 status;
	union {
		struct rdma_ucm_conn_param conn;
		struct rdma_ucm_ud_param   ud;
	} param;
};

/* Option levels */
enum {
	RDMA_OPTION_ID		= 0,
	RDMA_OPTION_IB		= 1
};

/* Option details */
enum {
	RDMA_OPTION_ID_TOS	 = 0,
	RDMA_OPTION_ID_REUSEADDR = 1,
	RDMA_OPTION_ID_AFONLY	 = 2,
	RDMA_OPTION_IB_PATH	 = 1
};

struct rdma_ucm_set_option {
	__u64 optval;
	__u32 id;
	__u32 level;
	__u32 optname;
	__u32 optlen;
};

struct rdma_ucm_migrate_id {
	__u64 response;
	__u32 id;
	__u32 fd;
};

struct rdma_ucm_migrate_resp {
	__u32 events_reported;
};

#endif /* RDMA_USER_CM_H */
Commit	Line	Data
75216638 SH	1	/*
	2	* Copyright (c) 2005-2006 Intel Corporation. All rights reserved.
	3	*
	4	* This software is available to you under a choice of one of two
	5	* licenses. You may choose to be licensed under the terms of the GNU
	6	* General Public License (GPL) Version 2, available from the file
	7	* COPYING in the main directory of this source tree, or the
	8	* OpenIB.org BSD license below:
	9	*
	10	* Redistribution and use in source and binary forms, with or
	11	* without modification, are permitted provided that the following
	12	* conditions are met:
	13	*
	14	* - Redistributions of source code must retain the above
	15	* copyright notice, this list of conditions and the following
	16	* disclaimer.
	17	*
	18	* - Redistributions in binary form must reproduce the above
	19	* copyright notice, this list of conditions and the following
	20	* disclaimer in the documentation and/or other materials
	21	* provided with the distribution.
	22	*
	23	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	24	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	25	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	26	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	27	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	28	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	29	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	30	* SOFTWARE.
	31	*/
	32
	33	#ifndef RDMA_USER_CM_H
	34	#define RDMA_USER_CM_H
	35
	36	#include <linux/types.h>
	37	#include <linux/in6.h>
	38	#include <rdma/ib_user_verbs.h>
	39	#include <rdma/ib_user_sa.h>
	40
c8f6a362	41	#define RDMA_USER_CM_ABI_VERSION 4
75216638 SH	42
	43	#define RDMA_MAX_PRIVATE_DATA 256
	44
	45	enum {
	46	RDMA_USER_CM_CMD_CREATE_ID,
	47	RDMA_USER_CM_CMD_DESTROY_ID,
	48	RDMA_USER_CM_CMD_BIND_ADDR,
	49	RDMA_USER_CM_CMD_RESOLVE_ADDR,
	50	RDMA_USER_CM_CMD_RESOLVE_ROUTE,
	51	RDMA_USER_CM_CMD_QUERY_ROUTE,
	52	RDMA_USER_CM_CMD_CONNECT,
	53	RDMA_USER_CM_CMD_LISTEN,
	54	RDMA_USER_CM_CMD_ACCEPT,
	55	RDMA_USER_CM_CMD_REJECT,
	56	RDMA_USER_CM_CMD_DISCONNECT,
	57	RDMA_USER_CM_CMD_INIT_QP_ATTR,
	58	RDMA_USER_CM_CMD_GET_EVENT,
	59	RDMA_USER_CM_CMD_GET_OPTION,
	60	RDMA_USER_CM_CMD_SET_OPTION,
c8f6a362 SH	61	RDMA_USER_CM_CMD_NOTIFY,
c8f6a362 SH	62	RDMA_USER_CM_CMD_JOIN_MCAST,
88314e4d SH	63	RDMA_USER_CM_CMD_LEAVE_MCAST,
88314e4d SH	64	RDMA_USER_CM_CMD_MIGRATE_ID
75216638 SH	65	};
	66
	67	/*
	68	* command ABI structures.
	69	*/
	70	struct rdma_ucm_cmd_hdr {
	71	__u32 cmd;
	72	__u16 in;
	73	__u16 out;
	74	};
	75
	76	struct rdma_ucm_create_id {
	77	__u64 uid;
	78	__u64 response;
	79	__u16 ps;
638ef7a6 SH	80	__u8 qp_type;
638ef7a6 SH	81	__u8 reserved[5];
75216638 SH	82	};
	83
	84	struct rdma_ucm_create_id_resp {
	85	__u32 id;
	86	};
	87
	88	struct rdma_ucm_destroy_id {
	89	__u64 response;
	90	__u32 id;
	91	__u32 reserved;
	92	};
	93
	94	struct rdma_ucm_destroy_id_resp {
	95	__u32 events_reported;
	96	};
	97
	98	struct rdma_ucm_bind_addr {
	99	__u64 response;
	100	struct sockaddr_in6 addr;
	101	__u32 id;
	102	};
	103
	104	struct rdma_ucm_resolve_addr {
	105	struct sockaddr_in6 src_addr;
	106	struct sockaddr_in6 dst_addr;
	107	__u32 id;
	108	__u32 timeout_ms;
	109	};
	110
	111	struct rdma_ucm_resolve_route {
	112	__u32 id;
	113	__u32 timeout_ms;
	114	};
	115
	116	struct rdma_ucm_query_route {
	117	__u64 response;
	118	__u32 id;
	119	__u32 reserved;
	120	};
	121
	122	struct rdma_ucm_query_route_resp {
	123	__u64 node_guid;
	124	struct ib_user_path_rec ib_route[2];
	125	struct sockaddr_in6 src_addr;
	126	struct sockaddr_in6 dst_addr;
	127	__u32 num_paths;
	128	__u8 port_num;
	129	__u8 reserved[3];
	130	};
	131
	132	struct rdma_ucm_conn_param {
	133	__u32 qp_num;
	134	__u32 reserved;
	135	__u8 private_data[RDMA_MAX_PRIVATE_DATA];
	136	__u8 private_data_len;
	137	__u8 srq;
	138	__u8 responder_resources;
	139	__u8 initiator_depth;
	140	__u8 flow_control;
	141	__u8 retry_count;
	142	__u8 rnr_retry_count;
	143	__u8 valid;
	144	};
	145
146	struct rdma_ucm_ud_param {
147	__u32 qp_num;
148	__u32 qkey;
149	struct ib_uverbs_ah_attr ah_attr;
150	__u8 private_data[RDMA_MAX_PRIVATE_DATA];
151	__u8 private_data_len;
152	__u8 reserved[7];
153	};
154
155	struct rdma_ucm_connect {
156	struct rdma_ucm_conn_param conn_param;
157	__u32 id;
158	__u32 reserved;
159	};
160
161	struct rdma_ucm_listen {
162	__u32 id;
163	__u32 backlog;
164	};
165
166	struct rdma_ucm_accept {
167	__u64 uid;
168	struct rdma_ucm_conn_param conn_param;
169	__u32 id;
170	__u32 reserved;
171	};
172
173	struct rdma_ucm_reject {
174	__u32 id;
175	__u8 private_data_len;
176	__u8 reserved[3];
177	__u8 private_data[RDMA_MAX_PRIVATE_DATA];
178	};
179
180	struct rdma_ucm_disconnect {
181	__u32 id;
182	};
183
184	struct rdma_ucm_init_qp_attr {
185	__u64 response;
186	__u32 id;
187	__u32 qp_state;
188	};
189
190	struct rdma_ucm_notify {
191	__u32 id;
192	__u32 event;
193	};
194
c8f6a362 SH	195	struct rdma_ucm_join_mcast {
	196	__u64 response; /* rdma_ucm_create_id_resp */
	197	__u64 uid;
	198	struct sockaddr_in6 addr;
	199	__u32 id;
	200	};
	201
75216638 SH	202	struct rdma_ucm_get_event {
	203	__u64 response;
	204	};
	205
	206	struct rdma_ucm_event_resp {
	207	__u64 uid;
	208	__u32 id;
	209	__u32 event;
	210	__u32 status;
	211	union {
	212	struct rdma_ucm_conn_param conn;
	213	struct rdma_ucm_ud_param ud;
	214	} param;
	215	};
	216
7ce86409 SH	217	/* Option levels */
7ce86409 SH	218	enum {
a7ca1f00 SH	219	RDMA_OPTION_ID = 0,
a7ca1f00 SH	220	RDMA_OPTION_IB = 1
7ce86409 SH	221	};
	222
	223	/* Option details */
	224	enum {
a9bb7912 HS	225	RDMA_OPTION_ID_TOS = 0,
a9bb7912 HS	226	RDMA_OPTION_ID_REUSEADDR = 1,
68602120	227	RDMA_OPTION_ID_AFONLY = 2,
a9bb7912	228	RDMA_OPTION_IB_PATH = 1
7ce86409 SH	229	};
	230
	231	struct rdma_ucm_set_option {
	232	__u64 optval;
	233	__u32 id;
	234	__u32 level;
	235	__u32 optname;
	236	__u32 optlen;
	237	};
	238
88314e4d SH	239	struct rdma_ucm_migrate_id {
	240	__u64 response;
	241	__u32 id;
	242	__u32 fd;
	243	};
	244
	245	struct rdma_ucm_migrate_resp {
	246	__u32 events_reported;
	247	};
	248
75216638	249	#endif /* RDMA_USER_CM_H */