054239f45c
Other things outside the core code are creating attributes against the port. This patch exposes the basic machinery to do this. The ib_port_attribute type allows creating groups of attributes attatched to the port and comes with the usual machinery to do this. Link: https://lore.kernel.org/r/5c4aeae57f6fa7c59a1d6d1c5506069516ae9bbf.1623427137.git.leonro@nvidia.com Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
42 lines
1.5 KiB
C
42 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
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/*
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* Copyright (c) 2021 Mellanox Technologies Ltd. All rights reserved.
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*/
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#ifndef DEF_RDMA_IB_SYSFS_H
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#define DEF_RDMA_IB_SYSFS_H
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#include <linux/sysfs.h>
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struct ib_device;
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struct ib_port_attribute {
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struct attribute attr;
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ssize_t (*show)(struct ib_device *ibdev, u32 port_num,
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struct ib_port_attribute *attr, char *buf);
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ssize_t (*store)(struct ib_device *ibdev, u32 port_num,
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struct ib_port_attribute *attr, const char *buf,
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size_t count);
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};
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#define IB_PORT_ATTR_RW(_name) \
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struct ib_port_attribute ib_port_attr_##_name = __ATTR_RW(_name)
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#define IB_PORT_ATTR_ADMIN_RW(_name) \
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struct ib_port_attribute ib_port_attr_##_name = \
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__ATTR_RW_MODE(_name, 0600)
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#define IB_PORT_ATTR_RO(_name) \
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struct ib_port_attribute ib_port_attr_##_name = __ATTR_RO(_name)
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#define IB_PORT_ATTR_WO(_name) \
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struct ib_port_attribute ib_port_attr_##_name = __ATTR_WO(_name)
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int ib_port_sysfs_create_groups(struct ib_device *ibdev, u32 port_num,
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const struct attribute_group **groups);
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void ib_port_sysfs_remove_groups(struct ib_device *ibdev, u32 port_num,
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const struct attribute_group **groups);
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struct ib_device *ib_port_sysfs_get_ibdev_kobj(struct kobject *kobj,
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u32 *port_num);
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#endif
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