1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2/*
3 * Copyright (c) 2019 Mellanox Technologies. All rights reserved.
4 */
5
6#ifndef _RDMA_COUNTER_H_
7#define _RDMA_COUNTER_H_
8
9#include <linux/mutex.h>
10#include <linux/pid_namespace.h>
11
12#include <rdma/restrack.h>
13#include <rdma/rdma_netlink.h>
14
15struct ib_device;
16struct ib_qp;
17
18struct auto_mode_param {
19	int qp_type;
20};
21
22struct rdma_counter_mode {
23	enum rdma_nl_counter_mode mode;
24	enum rdma_nl_counter_mask mask;
25	struct auto_mode_param param;
26};
27
28struct rdma_port_counter {
29	struct rdma_counter_mode mode;
30	struct rdma_hw_stats *hstats;
31	unsigned int num_counters;
32	struct mutex lock;
33};
34
35struct rdma_counter {
36	struct rdma_restrack_entry	res;
37	struct ib_device		*device;
38	uint32_t			id;
39	struct kref			kref;
40	struct rdma_counter_mode	mode;
41	struct mutex			lock;
42	struct rdma_hw_stats		*stats;
43	u8				port;
44};
45
46void rdma_counter_init(struct ib_device *dev);
47void rdma_counter_release(struct ib_device *dev);
48int rdma_counter_set_auto_mode(struct ib_device *dev, u8 port,
49			       bool on, enum rdma_nl_counter_mask mask);
50int rdma_counter_bind_qp_auto(struct ib_qp *qp, u8 port);
51int rdma_counter_unbind_qp(struct ib_qp *qp, bool force);
52
53int rdma_counter_query_stats(struct rdma_counter *counter);
54u64 rdma_counter_get_hwstat_value(struct ib_device *dev, u8 port, u32 index);
55int rdma_counter_bind_qpn(struct ib_device *dev, u8 port,
56			  u32 qp_num, u32 counter_id);
57int rdma_counter_bind_qpn_alloc(struct ib_device *dev, u8 port,
58				u32 qp_num, u32 *counter_id);
59int rdma_counter_unbind_qpn(struct ib_device *dev, u8 port,
60			    u32 qp_num, u32 counter_id);
61int rdma_counter_get_mode(struct ib_device *dev, u8 port,
62			  enum rdma_nl_counter_mode *mode,
63			  enum rdma_nl_counter_mask *mask);
64
65#endif /* _RDMA_COUNTER_H_ */
66