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/*
* 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 reuseaddr;
u8 afonly;
u8 timeout;
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, unsigned int port);
int cma_set_default_gid_type(struct cma_device *dev, unsigned int port,
enum ib_gid_type default_gid_type);
int cma_get_default_roce_tos(struct cma_device *dev, unsigned int port);
int cma_set_default_roce_tos(struct cma_device *dev, unsigned int port,
u8 default_roce_tos);
struct ib_device *cma_get_ib_dev(struct cma_device *dev);
#endif /* _CMA_PRIV_H */
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