[mirror_ubuntu-jammy-kernel.git] / drivers / infiniband / core / cma_priv.h

/*
 * Copyright (c) 2005 Voltaire Inc.  All rights reserved.
 * Copyright (c) 2002-2005, Network Appliance, Inc. All rights reserved.
 * Copyright (c) 1999-2005, Mellanox Technologies, Inc. All rights reserved.
 * 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 _CMA_PRIV_H
#define _CMA_PRIV_H

enum rdma_cm_state {
	RDMA_CM_IDLE,
	RDMA_CM_ADDR_QUERY,
	RDMA_CM_ADDR_RESOLVED,
	RDMA_CM_ROUTE_QUERY,
	RDMA_CM_ROUTE_RESOLVED,
	RDMA_CM_CONNECT,
	RDMA_CM_DISCONNECT,
	RDMA_CM_ADDR_BOUND,
	RDMA_CM_LISTEN,
	RDMA_CM_DEVICE_REMOVAL,
	RDMA_CM_DESTROYING
};

struct rdma_id_private {
	struct rdma_cm_id	id;

	struct rdma_bind_list	*bind_list;
	struct hlist_node	node;
	struct list_head	list; /* listen_any_list or cma_device.list */
	struct list_head	listen_list; /* per device listens */
	struct cma_device	*cma_dev;
	struct list_head	mc_list;

	int			internal_id;
	enum rdma_cm_state	state;
	spinlock_t		lock;
	struct mutex		qp_mutex;

	struct completion	comp;
	refcount_t refcount;
	struct mutex		handler_mutex;

	int			backlog;
	int			timeout_ms;
	struct ib_sa_query	*query;
	int			query_id;
	union {
		struct ib_cm_id	*ib;
		struct iw_cm_id	*iw;
	} cm_id;

	u32			seq_num;
	u32			qkey;
	u32			qp_num;
	u32			options;
	u8			srq;
	u8			tos;
	u8			tos_set:1;
	u8                      timeout_set:1;
	u8			min_rnr_timer_set:1;
	u8			reuseaddr;
	u8			afonly;
	u8			timeout;
	u8			min_rnr_timer;
	u8 used_resolve_ip;
	enum ib_gid_type	gid_type;

	/*
	 * Internal to RDMA/core, don't use in the drivers
	 */
	struct rdma_restrack_entry     res;
	struct rdma_ucm_ece ece;
};

#if IS_ENABLED(CONFIG_INFINIBAND_ADDR_TRANS_CONFIGFS)
int cma_configfs_init(void);
void cma_configfs_exit(void);
#else
static inline int cma_configfs_init(void)
{
	return 0;
}

static inline void cma_configfs_exit(void)
{
}
#endif

void cma_dev_get(struct cma_device *dev);
void cma_dev_put(struct cma_device *dev);
typedef bool (*cma_device_filter)(struct ib_device *, void *);
struct cma_device *cma_enum_devices_by_ibdev(cma_device_filter filter,
					     void *cookie);
int cma_get_default_gid_type(struct cma_device *dev, u32 port);
int cma_set_default_gid_type(struct cma_device *dev, u32 port,
			     enum ib_gid_type default_gid_type);
int cma_get_default_roce_tos(struct cma_device *dev, u32 port);
int cma_set_default_roce_tos(struct cma_device *dev, u32 port,
			     u8 default_roce_tos);
struct ib_device *cma_get_ib_dev(struct cma_device *dev);

#endif /* _CMA_PRIV_H */
Commit	Line	Data
a3b641af SW	1	/*
	2	* Copyright (c) 2005 Voltaire Inc. All rights reserved.
	3	* Copyright (c) 2002-2005, Network Appliance, Inc. All rights reserved.
	4	* Copyright (c) 1999-2005, Mellanox Technologies, Inc. All rights reserved.
	5	* Copyright (c) 2005-2006 Intel Corporation. All rights reserved.
	6	*
	7	* This software is available to you under a choice of one of two
	8	* licenses. You may choose to be licensed under the terms of the GNU
	9	* General Public License (GPL) Version 2, available from the file
	10	* COPYING in the main directory of this source tree, or the
	11	* OpenIB.org BSD license below:
	12	*
	13	* Redistribution and use in source and binary forms, with or
	14	* without modification, are permitted provided that the following
	15	* conditions are met:
	16	*
	17	* - Redistributions of source code must retain the above
	18	* copyright notice, this list of conditions and the following
	19	* disclaimer.
	20	*
	21	* - Redistributions in binary form must reproduce the above
	22	* copyright notice, this list of conditions and the following
	23	* disclaimer in the documentation and/or other materials
	24	* provided with the distribution.
	25	*
	26	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	27	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	28	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	29	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	30	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	31	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	32	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	33	* SOFTWARE.
	34	*/
	35
	36	#ifndef _CMA_PRIV_H
	37	#define _CMA_PRIV_H
	38
218b9e3e PP	39	enum rdma_cm_state {
	40	RDMA_CM_IDLE,
	41	RDMA_CM_ADDR_QUERY,
	42	RDMA_CM_ADDR_RESOLVED,
	43	RDMA_CM_ROUTE_QUERY,
	44	RDMA_CM_ROUTE_RESOLVED,
	45	RDMA_CM_CONNECT,
	46	RDMA_CM_DISCONNECT,
	47	RDMA_CM_ADDR_BOUND,
	48	RDMA_CM_LISTEN,
	49	RDMA_CM_DEVICE_REMOVAL,
	50	RDMA_CM_DESTROYING
	51	};
	52
a3b641af SW	53	struct rdma_id_private {
	54	struct rdma_cm_id id;
	55
	56	struct rdma_bind_list *bind_list;
	57	struct hlist_node node;
	58	struct list_head list; /* listen_any_list or cma_device.list */
	59	struct list_head listen_list; /* per device listens */
	60	struct cma_device *cma_dev;
	61	struct list_head mc_list;
	62
	63	int internal_id;
	64	enum rdma_cm_state state;
	65	spinlock_t lock;
	66	struct mutex qp_mutex;
	67
	68	struct completion comp;
43fb5892	69	refcount_t refcount;
a3b641af SW	70	struct mutex handler_mutex;
	71
	72	int backlog;
	73	int timeout_ms;
	74	struct ib_sa_query *query;
	75	int query_id;
	76	union {
	77	struct ib_cm_id *ib;
	78	struct iw_cm_id *iw;
	79	} cm_id;
	80
	81	u32 seq_num;
	82	u32 qkey;
	83	u32 qp_num;
a3b641af SW	84	u32 options;
	85	u8 srq;
	86	u8 tos;
2c1619ed DG	87	u8 tos_set:1;
2c1619ed DG	88	u8 timeout_set:1;
3aeffc46	89	u8 min_rnr_timer_set:1;
a3b641af SW	90	u8 reuseaddr;
a3b641af SW	91	u8 afonly;
2c1619ed	92	u8 timeout;
3aeffc46	93	u8 min_rnr_timer;
305d568b	94	u8 used_resolve_ip;
a3b641af	95	enum ib_gid_type gid_type;
00313983 SW	96
	97	/*
	98	* Internal to RDMA/core, don't use in the drivers
	99	*/
	100	struct rdma_restrack_entry res;
34e2ab57	101	struct rdma_ucm_ece ece;
a3b641af	102	};
eeb8df87 PP	103
	104	#if IS_ENABLED(CONFIG_INFINIBAND_ADDR_TRANS_CONFIGFS)
	105	int cma_configfs_init(void);
	106	void cma_configfs_exit(void);
	107	#else
	108	static inline int cma_configfs_init(void)
	109	{
	110	return 0;
	111	}
	112
	113	static inline void cma_configfs_exit(void)
	114	{
	115	}
	116	#endif
	117
5ff8c8fa PP	118	void cma_dev_get(struct cma_device *dev);
5ff8c8fa PP	119	void cma_dev_put(struct cma_device *dev);
eeb8df87 PP	120	typedef bool (cma_device_filter)(struct ib_device , void *);
	121	struct cma_device *cma_enum_devices_by_ibdev(cma_device_filter filter,
	122	void *cookie);
1fb7f897 MB	123	int cma_get_default_gid_type(struct cma_device *dev, u32 port);
1fb7f897 MB	124	int cma_set_default_gid_type(struct cma_device *dev, u32 port,
eeb8df87	125	enum ib_gid_type default_gid_type);
1fb7f897 MB	126	int cma_get_default_roce_tos(struct cma_device *dev, u32 port);
1fb7f897 MB	127	int cma_set_default_roce_tos(struct cma_device *dev, u32 port,
eeb8df87 PP	128	u8 default_roce_tos);
	129	struct ib_device cma_get_ib_dev(struct cma_device dev);
	130
a3b641af	131	#endif /* _CMA_PRIV_H */