[mirror_ubuntu-bionic-kernel.git] / drivers / infiniband / core / core_priv.h

/*
 * Copyright (c) 2004 Topspin Communications.  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 _CORE_PRIV_H
#define _CORE_PRIV_H

#include <linux/list.h>
#include <linux/spinlock.h>

#include <rdma/ib_verbs.h>

struct cma_device;
void cma_ref_dev(struct cma_device *cma_dev);
void cma_deref_dev(struct cma_device *cma_dev);

int  ib_device_register_sysfs(struct ib_device *device,
			      int (*port_callback)(struct ib_device *,
						   u8, struct kobject *));
void ib_device_unregister_sysfs(struct ib_device *device);

void ib_cache_setup(void);
void ib_cache_cleanup(void);

int ib_resolve_eth_dmac(struct ib_qp *qp,
			struct ib_qp_attr *qp_attr, int *qp_attr_mask);

typedef void (*roce_netdev_callback)(struct ib_device *device, u8 port,
	      struct net_device *idev, void *cookie);

typedef int (*roce_netdev_filter)(struct ib_device *device, u8 port,
	     struct net_device *idev, void *cookie);

void ib_enum_roce_netdev(struct ib_device *ib_dev,
			 roce_netdev_filter filter,
			 void *filter_cookie,
			 roce_netdev_callback cb,
			 void *cookie);
void ib_enum_all_roce_netdevs(roce_netdev_filter filter,
			      void *filter_cookie,
			      roce_netdev_callback cb,
			      void *cookie);

enum ib_cache_gid_default_mode {
	IB_CACHE_GID_DEFAULT_MODE_SET,
	IB_CACHE_GID_DEFAULT_MODE_DELETE
};

const char *ib_cache_gid_type_str(enum ib_gid_type gid_type);

void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u8 port,
				  struct net_device *ndev,
				  unsigned long gid_type_mask,
				  enum ib_cache_gid_default_mode mode);

int ib_cache_gid_add(struct ib_device *ib_dev, u8 port,
		     union ib_gid *gid, struct ib_gid_attr *attr);

int ib_cache_gid_del(struct ib_device *ib_dev, u8 port,
		     union ib_gid *gid, struct ib_gid_attr *attr);

int ib_cache_gid_del_all_netdev_gids(struct ib_device *ib_dev, u8 port,
				     struct net_device *ndev);

int roce_gid_mgmt_init(void);
void roce_gid_mgmt_cleanup(void);

int roce_rescan_device(struct ib_device *ib_dev);
unsigned long roce_gid_type_mask_support(struct ib_device *ib_dev, u8 port);

int ib_cache_setup_one(struct ib_device *device);
void ib_cache_cleanup_one(struct ib_device *device);
void ib_cache_release_one(struct ib_device *device);

static inline bool rdma_is_upper_dev_rcu(struct net_device *dev,
					 struct net_device *upper)
{
	struct net_device *_upper = NULL;
	struct list_head *iter;

	netdev_for_each_all_upper_dev_rcu(dev, _upper, iter)
		if (_upper == upper)
			break;

	return _upper == upper;
}

#endif /* _CORE_PRIV_H */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Copyright (c) 2004 Topspin Communications. 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.
1da177e4 LT	31	*/
	32
	33	#ifndef _CORE_PRIV_H
	34	#define _CORE_PRIV_H
	35
	36	#include <linux/list.h>
	37	#include <linux/spinlock.h>
	38
a4d61e84	39	#include <rdma/ib_verbs.h>
1da177e4	40
218a773f MB	41	struct cma_device;
	42	void cma_ref_dev(struct cma_device *cma_dev);
	43	void cma_deref_dev(struct cma_device *cma_dev);
	44
9a6edb60 RC	45	int ib_device_register_sysfs(struct ib_device *device,
	46	int (port_callback)(struct ib_device ,
	47	u8, struct kobject *));
1da177e4 LT	48	void ib_device_unregister_sysfs(struct ib_device *device);
1da177e4 LT	49
03db3a2d	50	void ib_cache_setup(void);
1da177e4 LT	51	void ib_cache_cleanup(void);
1da177e4 LT	52
dbf727de MB	53	int ib_resolve_eth_dmac(struct ib_qp *qp,
dbf727de MB	54	struct ib_qp_attr qp_attr, int qp_attr_mask);
03db3a2d MB	55
	56	typedef void (roce_netdev_callback)(struct ib_device device, u8 port,
	57	struct net_device idev, void cookie);
	58
	59	typedef int (roce_netdev_filter)(struct ib_device device, u8 port,
	60	struct net_device idev, void cookie);
	61
	62	void ib_enum_roce_netdev(struct ib_device *ib_dev,
	63	roce_netdev_filter filter,
	64	void *filter_cookie,
	65	roce_netdev_callback cb,
	66	void *cookie);
	67	void ib_enum_all_roce_netdevs(roce_netdev_filter filter,
	68	void *filter_cookie,
	69	roce_netdev_callback cb,
	70	void *cookie);
	71
03db3a2d MB	72	enum ib_cache_gid_default_mode {
	73	IB_CACHE_GID_DEFAULT_MODE_SET,
	74	IB_CACHE_GID_DEFAULT_MODE_DELETE
	75	};
	76
b39ffa1d MB	77	const char *ib_cache_gid_type_str(enum ib_gid_type gid_type);
b39ffa1d MB	78
03db3a2d MB	79	void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u8 port,
03db3a2d MB	80	struct net_device *ndev,
b39ffa1d	81	unsigned long gid_type_mask,
03db3a2d MB	82	enum ib_cache_gid_default_mode mode);
	83
	84	int ib_cache_gid_add(struct ib_device *ib_dev, u8 port,
	85	union ib_gid gid, struct ib_gid_attr attr);
	86
	87	int ib_cache_gid_del(struct ib_device *ib_dev, u8 port,
	88	union ib_gid gid, struct ib_gid_attr attr);
	89
	90	int ib_cache_gid_del_all_netdev_gids(struct ib_device *ib_dev, u8 port,
	91	struct net_device *ndev);
	92
	93	int roce_gid_mgmt_init(void);
	94	void roce_gid_mgmt_cleanup(void);
	95
	96	int roce_rescan_device(struct ib_device *ib_dev);
b39ffa1d	97	unsigned long roce_gid_type_mask_support(struct ib_device *ib_dev, u8 port);
03db3a2d MB	98
	99	int ib_cache_setup_one(struct ib_device *device);
	100	void ib_cache_cleanup_one(struct ib_device *device);
	101	void ib_cache_release_one(struct ib_device *device);
	102
6020d7e5 MB	103	static inline bool rdma_is_upper_dev_rcu(struct net_device *dev,
	104	struct net_device *upper)
	105	{
	106	struct net_device *_upper = NULL;
	107	struct list_head *iter;
	108
	109	netdev_for_each_all_upper_dev_rcu(dev, _upper, iter)
	110	if (_upper == upper)
	111	break;
	112
	113	return _upper == upper;
	114	}
	115
1da177e4	116	#endif /* _CORE_PRIV_H */