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- /* 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_find_exact_cached_pkey - Returns the PKey table index where a specified
- * PKey value occurs. Comparison uses the FULL 16 bits (incl membership bit)
- * @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_exact_cached_pkey() searches the specified PKey table in
- * the local software cache.
- */
- int ib_find_exact_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 */
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