[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 <linux/cgroup_rdma.h>

#include <rdma/ib_verbs.h>

struct pkey_index_qp_list {
	struct list_head    pkey_index_list;
	u16                 pkey_index;
	/* Lock to hold while iterating the qp_list. */
	spinlock_t          qp_list_lock;
	struct list_head    qp_list;
};

#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
struct cma_device;
void cma_ref_dev(struct cma_device *cma_dev);
void cma_deref_dev(struct cma_device *cma_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 *cma_dev,
			     unsigned int port);
int cma_set_default_gid_type(struct cma_device *cma_dev,
			     unsigned int port,
			     enum ib_gid_type default_gid_type);
int cma_get_default_roce_tos(struct cma_device *cma_dev, unsigned int port);
int cma_set_default_roce_tos(struct cma_device *a_dev, unsigned int port,
			     u8 default_roce_tos);
struct ib_device *cma_get_ib_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);

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
};

int ib_cache_gid_parse_type_str(const char *buf);

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);

#ifdef CONFIG_CGROUP_RDMA
int ib_device_register_rdmacg(struct ib_device *device);
void ib_device_unregister_rdmacg(struct ib_device *device);

int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj,
			 struct ib_device *device,
			 enum rdmacg_resource_type resource_index);

void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj,
			struct ib_device *device,
			enum rdmacg_resource_type resource_index);
#else
static inline int ib_device_register_rdmacg(struct ib_device *device)
{ return 0; }

static inline void ib_device_unregister_rdmacg(struct ib_device *device)
{ }

static inline int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj,
				       struct ib_device *device,
				       enum rdmacg_resource_type resource_index)
{ return 0; }

static inline void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj,
				      struct ib_device *device,
				      enum rdmacg_resource_type resource_index)
{ }
#endif

static inline bool rdma_is_upper_dev_rcu(struct net_device *dev,
					 struct net_device *upper)
{
	return netdev_has_upper_dev_all_rcu(dev, upper);
}

int addr_init(void);
void addr_cleanup(void);

int ib_mad_init(void);
void ib_mad_cleanup(void);

int ib_sa_init(void);
void ib_sa_cleanup(void);

int ib_nl_handle_resolve_resp(struct sk_buff *skb,
			      struct netlink_callback *cb);
int ib_nl_handle_set_timeout(struct sk_buff *skb,
			     struct netlink_callback *cb);
int ib_nl_handle_ip_res_resp(struct sk_buff *skb,
			     struct netlink_callback *cb);

int ib_get_cached_subnet_prefix(struct ib_device *device,
				u8                port_num,
				u64              *sn_pfx);

#ifdef CONFIG_SECURITY_INFINIBAND
void ib_security_destroy_port_pkey_list(struct ib_device *device);

void ib_security_cache_change(struct ib_device *device,
			      u8 port_num,
			      u64 subnet_prefix);

int ib_security_modify_qp(struct ib_qp *qp,
			  struct ib_qp_attr *qp_attr,
			  int qp_attr_mask,
			  struct ib_udata *udata);

int ib_create_qp_security(struct ib_qp *qp, struct ib_device *dev);
void ib_destroy_qp_security_begin(struct ib_qp_security *sec);
void ib_destroy_qp_security_abort(struct ib_qp_security *sec);
void ib_destroy_qp_security_end(struct ib_qp_security *sec);
int ib_open_shared_qp_security(struct ib_qp *qp, struct ib_device *dev);
void ib_close_shared_qp_security(struct ib_qp_security *sec);
#else
static inline void ib_security_destroy_port_pkey_list(struct ib_device *device)
{
}

static inline void ib_security_cache_change(struct ib_device *device,
					    u8 port_num,
					    u64 subnet_prefix)
{
}

static inline int ib_security_modify_qp(struct ib_qp *qp,
					struct ib_qp_attr *qp_attr,
					int qp_attr_mask,
					struct ib_udata *udata)
{
	return qp->device->modify_qp(qp->real_qp,
				     qp_attr,
				     qp_attr_mask,
				     udata);
}

static inline int ib_create_qp_security(struct ib_qp *qp,
					struct ib_device *dev)
{
	return 0;
}

static inline void ib_destroy_qp_security_begin(struct ib_qp_security *sec)
{
}

static inline void ib_destroy_qp_security_abort(struct ib_qp_security *sec)
{
}

static inline void ib_destroy_qp_security_end(struct ib_qp_security *sec)
{
}

static inline int ib_open_shared_qp_security(struct ib_qp *qp,
					     struct ib_device *dev)
{
	return 0;
}

static inline void ib_close_shared_qp_security(struct ib_qp_security *sec)
{
}
#endif
#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>
43579b5f	38	#include <linux/cgroup_rdma.h>
1da177e4	39
a4d61e84	40	#include <rdma/ib_verbs.h>
1da177e4	41
d291f1a6 DJ	42	struct pkey_index_qp_list {
	43	struct list_head pkey_index_list;
	44	u16 pkey_index;
	45	/* Lock to hold while iterating the qp_list. */
	46	spinlock_t qp_list_lock;
	47	struct list_head qp_list;
	48	};
	49
045959db MB	50	#if IS_ENABLED(CONFIG_INFINIBAND_ADDR_TRANS_CONFIGFS)
	51	int cma_configfs_init(void);
	52	void cma_configfs_exit(void);
	53	#else
	54	static inline int cma_configfs_init(void)
	55	{
	56	return 0;
	57	}
	58
	59	static inline void cma_configfs_exit(void)
	60	{
	61	}
	62	#endif
218a773f MB	63	struct cma_device;
	64	void cma_ref_dev(struct cma_device *cma_dev);
	65	void cma_deref_dev(struct cma_device *cma_dev);
045959db MB	66	typedef bool (cma_device_filter)(struct ib_device , void *);
	67	struct cma_device *cma_enum_devices_by_ibdev(cma_device_filter filter,
	68	void *cookie);
	69	int cma_get_default_gid_type(struct cma_device *cma_dev,
	70	unsigned int port);
	71	int cma_set_default_gid_type(struct cma_device *cma_dev,
	72	unsigned int port,
	73	enum ib_gid_type default_gid_type);
89052d78 MD	74	int cma_get_default_roce_tos(struct cma_device *cma_dev, unsigned int port);
	75	int cma_set_default_roce_tos(struct cma_device *a_dev, unsigned int port,
	76	u8 default_roce_tos);
045959db	77	struct ib_device cma_get_ib_dev(struct cma_device cma_dev);
218a773f	78
9a6edb60 RC	79	int ib_device_register_sysfs(struct ib_device *device,
	80	int (port_callback)(struct ib_device ,
	81	u8, struct kobject *));
1da177e4 LT	82	void ib_device_unregister_sysfs(struct ib_device *device);
1da177e4 LT	83
03db3a2d	84	void ib_cache_setup(void);
1da177e4 LT	85	void ib_cache_cleanup(void);
1da177e4 LT	86
03db3a2d MB	87	typedef void (roce_netdev_callback)(struct ib_device device, u8 port,
	88	struct net_device idev, void cookie);
	89
	90	typedef int (roce_netdev_filter)(struct ib_device device, u8 port,
	91	struct net_device idev, void cookie);
	92
	93	void ib_enum_roce_netdev(struct ib_device *ib_dev,
	94	roce_netdev_filter filter,
	95	void *filter_cookie,
	96	roce_netdev_callback cb,
	97	void *cookie);
	98	void ib_enum_all_roce_netdevs(roce_netdev_filter filter,
	99	void *filter_cookie,
	100	roce_netdev_callback cb,
	101	void *cookie);
	102
03db3a2d MB	103	enum ib_cache_gid_default_mode {
	104	IB_CACHE_GID_DEFAULT_MODE_SET,
	105	IB_CACHE_GID_DEFAULT_MODE_DELETE
	106	};
	107
045959db MB	108	int ib_cache_gid_parse_type_str(const char *buf);
045959db MB	109
b39ffa1d MB	110	const char *ib_cache_gid_type_str(enum ib_gid_type gid_type);
b39ffa1d MB	111
03db3a2d MB	112	void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u8 port,
03db3a2d MB	113	struct net_device *ndev,
b39ffa1d	114	unsigned long gid_type_mask,
03db3a2d MB	115	enum ib_cache_gid_default_mode mode);
	116
	117	int ib_cache_gid_add(struct ib_device *ib_dev, u8 port,
	118	union ib_gid gid, struct ib_gid_attr attr);
	119
	120	int ib_cache_gid_del(struct ib_device *ib_dev, u8 port,
	121	union ib_gid gid, struct ib_gid_attr attr);
	122
	123	int ib_cache_gid_del_all_netdev_gids(struct ib_device *ib_dev, u8 port,
	124	struct net_device *ndev);
	125
	126	int roce_gid_mgmt_init(void);
	127	void roce_gid_mgmt_cleanup(void);
	128
	129	int roce_rescan_device(struct ib_device *ib_dev);
b39ffa1d	130	unsigned long roce_gid_type_mask_support(struct ib_device *ib_dev, u8 port);
03db3a2d MB	131
	132	int ib_cache_setup_one(struct ib_device *device);
	133	void ib_cache_cleanup_one(struct ib_device *device);
	134	void ib_cache_release_one(struct ib_device *device);
	135
43579b5f PP	136	#ifdef CONFIG_CGROUP_RDMA
	137	int ib_device_register_rdmacg(struct ib_device *device);
	138	void ib_device_unregister_rdmacg(struct ib_device *device);
	139
	140	int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj,
	141	struct ib_device *device,
	142	enum rdmacg_resource_type resource_index);
	143
	144	void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj,
	145	struct ib_device *device,
	146	enum rdmacg_resource_type resource_index);
	147	#else
	148	static inline int ib_device_register_rdmacg(struct ib_device *device)
	149	{ return 0; }
	150
	151	static inline void ib_device_unregister_rdmacg(struct ib_device *device)
	152	{ }
	153
	154	static inline int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj,
	155	struct ib_device *device,
	156	enum rdmacg_resource_type resource_index)
	157	{ return 0; }
	158
	159	static inline void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj,
	160	struct ib_device *device,
	161	enum rdmacg_resource_type resource_index)
	162	{ }
	163	#endif
	164
6020d7e5 MB	165	static inline bool rdma_is_upper_dev_rcu(struct net_device *dev,
	166	struct net_device *upper)
	167	{
453d3932	168	return netdev_has_upper_dev_all_rcu(dev, upper);
6020d7e5 MB	169	}
6020d7e5 MB	170
e3f20f02 LR	171	int addr_init(void);
	172	void addr_cleanup(void);
	173
4c2cb422 MB	174	int ib_mad_init(void);
	175	void ib_mad_cleanup(void);
	176
c2e49c92 MB	177	int ib_sa_init(void);
	178	void ib_sa_cleanup(void);
	179
735c631a MB	180	int ib_nl_handle_resolve_resp(struct sk_buff *skb,
	181	struct netlink_callback *cb);
	182	int ib_nl_handle_set_timeout(struct sk_buff *skb,
	183	struct netlink_callback *cb);
ae43f828 MB	184	int ib_nl_handle_ip_res_resp(struct sk_buff *skb,
ae43f828 MB	185	struct netlink_callback *cb);
735c631a	186
883c71fe DJ	187	int ib_get_cached_subnet_prefix(struct ib_device *device,
	188	u8 port_num,
	189	u64 *sn_pfx);
d291f1a6 DJ	190
	191	#ifdef CONFIG_SECURITY_INFINIBAND
	192	void ib_security_destroy_port_pkey_list(struct ib_device *device);
	193
	194	void ib_security_cache_change(struct ib_device *device,
	195	u8 port_num,
	196	u64 subnet_prefix);
	197
	198	int ib_security_modify_qp(struct ib_qp *qp,
	199	struct ib_qp_attr *qp_attr,
	200	int qp_attr_mask,
	201	struct ib_udata *udata);
	202
	203	int ib_create_qp_security(struct ib_qp qp, struct ib_device dev);
	204	void ib_destroy_qp_security_begin(struct ib_qp_security *sec);
	205	void ib_destroy_qp_security_abort(struct ib_qp_security *sec);
	206	void ib_destroy_qp_security_end(struct ib_qp_security *sec);
	207	int ib_open_shared_qp_security(struct ib_qp qp, struct ib_device dev);
	208	void ib_close_shared_qp_security(struct ib_qp_security *sec);
	209	#else
	210	static inline void ib_security_destroy_port_pkey_list(struct ib_device *device)
	211	{
	212	}
	213
	214	static inline void ib_security_cache_change(struct ib_device *device,
	215	u8 port_num,
	216	u64 subnet_prefix)
	217	{
	218	}
	219
	220	static inline int ib_security_modify_qp(struct ib_qp *qp,
	221	struct ib_qp_attr *qp_attr,
	222	int qp_attr_mask,
	223	struct ib_udata *udata)
	224	{
	225	return qp->device->modify_qp(qp->real_qp,
	226	qp_attr,
	227	qp_attr_mask,
	228	udata);
	229	}
	230
	231	static inline int ib_create_qp_security(struct ib_qp *qp,
	232	struct ib_device *dev)
	233	{
	234	return 0;
	235	}
	236
	237	static inline void ib_destroy_qp_security_begin(struct ib_qp_security *sec)
	238	{
	239	}
	240
	241	static inline void ib_destroy_qp_security_abort(struct ib_qp_security *sec)
	242	{
	243	}
	244
	245	static inline void ib_destroy_qp_security_end(struct ib_qp_security *sec)
	246	{
	247	}
	248
	249	static inline int ib_open_shared_qp_security(struct ib_qp *qp,
	250	struct ib_device *dev)
	251	{
	252	return 0;
	253	}
254
255	static inline void ib_close_shared_qp_security(struct ib_qp_security *sec)
256	{
257	}
258	#endif
1da177e4	259	#endif /* _CORE_PRIV_H */