forked from luck/tmp_suning_uos_patched
6bf9d8f6f0
The header files in RDMA subsystem are dual licensed and can be described by simple SPDX tag, so replace all of them at once together with making them use the same coding style for header guard defines. Link: https://lore.kernel.org/r/20200719072521.135260-1-leon@kernel.org Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
115 lines
4.1 KiB
C
115 lines
4.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
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/*
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* Copyright (c) 2004 Topspin Communications. All rights reserved.
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* Copyright (c) 2005 Intel Corporation. All rights reserved.
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* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
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*/
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#ifndef _IB_CACHE_H
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#define _IB_CACHE_H
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#include <rdma/ib_verbs.h>
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int rdma_query_gid(struct ib_device *device, u8 port_num, int index,
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union ib_gid *gid);
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void *rdma_read_gid_hw_context(const struct ib_gid_attr *attr);
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const struct ib_gid_attr *rdma_find_gid(struct ib_device *device,
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const union ib_gid *gid,
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enum ib_gid_type gid_type,
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struct net_device *ndev);
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const struct ib_gid_attr *rdma_find_gid_by_port(struct ib_device *ib_dev,
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const union ib_gid *gid,
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enum ib_gid_type gid_type,
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u8 port,
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struct net_device *ndev);
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const struct ib_gid_attr *rdma_find_gid_by_filter(
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struct ib_device *device, const union ib_gid *gid, u8 port_num,
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bool (*filter)(const union ib_gid *gid, const struct ib_gid_attr *,
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void *),
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void *context);
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int rdma_read_gid_l2_fields(const struct ib_gid_attr *attr,
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u16 *vlan_id, u8 *smac);
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struct net_device *rdma_read_gid_attr_ndev_rcu(const struct ib_gid_attr *attr);
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/**
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* ib_get_cached_pkey - Returns a cached PKey table entry
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* @device: The device to query.
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* @port_num: The port number of the device to query.
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* @index: The index into the cached PKey table to query.
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* @pkey: The PKey value found at the specified index.
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*
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* ib_get_cached_pkey() fetches the specified PKey table entry stored in
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* the local software cache.
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*/
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int ib_get_cached_pkey(struct ib_device *device_handle,
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u8 port_num,
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int index,
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u16 *pkey);
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/**
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* ib_find_cached_pkey - Returns the PKey table index where a specified
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* PKey value occurs.
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* @device: The device to query.
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* @port_num: The port number of the device to search for the PKey.
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* @pkey: The PKey value to search for.
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* @index: The index into the cached PKey table where the PKey was found.
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*
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* ib_find_cached_pkey() searches the specified PKey table in
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* the local software cache.
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*/
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int ib_find_cached_pkey(struct ib_device *device,
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u8 port_num,
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u16 pkey,
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u16 *index);
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/**
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* ib_find_exact_cached_pkey - Returns the PKey table index where a specified
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* PKey value occurs. Comparison uses the FULL 16 bits (incl membership bit)
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* @device: The device to query.
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* @port_num: The port number of the device to search for the PKey.
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* @pkey: The PKey value to search for.
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* @index: The index into the cached PKey table where the PKey was found.
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*
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* ib_find_exact_cached_pkey() searches the specified PKey table in
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* the local software cache.
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*/
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int ib_find_exact_cached_pkey(struct ib_device *device,
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u8 port_num,
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u16 pkey,
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u16 *index);
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/**
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* ib_get_cached_lmc - Returns a cached lmc table entry
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* @device: The device to query.
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* @port_num: The port number of the device to query.
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* @lmc: The lmc value for the specified port for that device.
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*
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* ib_get_cached_lmc() fetches the specified lmc table entry stored in
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* the local software cache.
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*/
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int ib_get_cached_lmc(struct ib_device *device,
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u8 port_num,
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u8 *lmc);
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/**
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* ib_get_cached_port_state - Returns a cached port state table entry
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* @device: The device to query.
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* @port_num: The port number of the device to query.
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* @port_state: port_state for the specified port for that device.
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*
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* ib_get_cached_port_state() fetches the specified port_state table entry stored in
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* the local software cache.
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*/
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int ib_get_cached_port_state(struct ib_device *device,
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u8 port_num,
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enum ib_port_state *port_active);
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bool rdma_is_zero_gid(const union ib_gid *gid);
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const struct ib_gid_attr *rdma_get_gid_attr(struct ib_device *device,
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u8 port_num, int index);
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void rdma_put_gid_attr(const struct ib_gid_attr *attr);
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void rdma_hold_gid_attr(const struct ib_gid_attr *attr);
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#endif /* _IB_CACHE_H */
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