/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB *//* * Copyright (c) 2004 Topspin Communications.  All rights reserved. * Copyright (c) 2005 Intel Corporation. All rights reserved. * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. */ #ifndef _IB_CACHE_H#define _IB_CACHE_H #include <rdma/ib_verbs.h> int rdma_query_gid(struct ib_device *device, u32 port_num, int index,		   union ib_gid *gid);void *rdma_read_gid_hw_context(const struct ib_gid_attr *attr);const struct ib_gid_attr *rdma_find_gid(struct ib_device *device,					const union ib_gid *gid,					enum ib_gid_type gid_type,					struct net_device *ndev);const struct ib_gid_attr *rdma_find_gid_by_port(struct ib_device *ib_dev,						const union ib_gid *gid,						enum ib_gid_type gid_type,						u32 port,						struct net_device *ndev);const struct ib_gid_attr *rdma_find_gid_by_filter(	struct ib_device *device, const union ib_gid *gid, u32 port_num,	bool (*filter)(const union ib_gid *gid, const struct ib_gid_attr *,		       void *),	void *context); int rdma_read_gid_l2_fields(const struct ib_gid_attr *attr,			    u16 *vlan_id, u8 *smac);struct net_device *rdma_read_gid_attr_ndev_rcu(const struct ib_gid_attr *attr); /** * ib_get_cached_pkey - Returns a cached PKey table entry * @device: The device to query. * @port_num: The port number of the device to query. * @index: The index into the cached PKey table to query. * @pkey: The PKey value found at the specified index. * * ib_get_cached_pkey() fetches the specified PKey table entry stored in * the local software cache. */int ib_get_cached_pkey(struct ib_device    *device_handle,		       u32                  port_num,		       int                  index,		       u16                 *pkey); /** * ib_find_cached_pkey - Returns the PKey table index where a specified *   PKey value occurs. * @device: The device to query. * @port_num: The port number of the device to search for the PKey. * @pkey: The PKey value to search for. * @index: The index into the cached PKey table where the PKey was found. * * ib_find_cached_pkey() searches the specified PKey table in * the local software cache. */int ib_find_cached_pkey(struct ib_device    *device,			u32                  port_num,			u16                  pkey,			u16                 *index); /** * ib_get_cached_lmc - Returns a cached lmc table entry * @device: The device to query. * @port_num: The port number of the device to query. * @lmc: The lmc value for the specified port for that device. * * ib_get_cached_lmc() fetches the specified lmc table entry stored in * the local software cache. */int ib_get_cached_lmc(struct ib_device *device,		      u32               port_num,		      u8                *lmc); /** * ib_get_cached_port_state - Returns a cached port state table entry * @device: The device to query. * @port_num: The port number of the device to query. * @port_state: port_state for the specified port for that device. * * ib_get_cached_port_state() fetches the specified port_state table entry stored in * the local software cache. */int ib_get_cached_port_state(struct ib_device *device,			     u32               port_num,			      enum ib_port_state *port_active); bool rdma_is_zero_gid(const union ib_gid *gid);const struct ib_gid_attr *rdma_get_gid_attr(struct ib_device *device,					    u32 port_num, int index);void rdma_put_gid_attr(const struct ib_gid_attr *attr);void rdma_hold_gid_attr(const struct ib_gid_attr *attr);ssize_t rdma_query_gid_table(struct ib_device *device,			     struct ib_uverbs_gid_entry *entries,			     size_t max_entries); #endif /* _IB_CACHE_H */