mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-22 09:04:26 +07:00
779820c2e1
Adding a helper function to retrieve the driver gid context from the gid attr. Link: https://lore.kernel.org/r/1582107594-5180-2-git-send-email-selvin.xavier@broadcom.com Suggested-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
142 lines
5.4 KiB
C
142 lines
5.4 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* 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 _IB_CACHE_H
|
|
#define _IB_CACHE_H
|
|
|
|
#include <rdma/ib_verbs.h>
|
|
|
|
int rdma_query_gid(struct ib_device *device, u8 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,
|
|
u8 port,
|
|
struct net_device *ndev);
|
|
const struct ib_gid_attr *rdma_find_gid_by_filter(
|
|
struct ib_device *device, const union ib_gid *gid, u8 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,
|
|
u8 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,
|
|
u8 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,
|
|
u8 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,
|
|
u8 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,
|
|
u8 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,
|
|
u8 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);
|
|
|
|
#endif /* _IB_CACHE_H */
|