rdma_counter.h

 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	bool bind_opcnt;
27};
28
29struct rdma_port_counter {
30	struct rdma_counter_mode mode;
31	struct rdma_hw_stats *hstats;
32	unsigned int num_counters;
33	struct mutex lock;
34};
35
36struct rdma_counter {
37	struct rdma_restrack_entry	res;
38	struct ib_device		*device;
39	uint32_t			id;
40	struct kref			kref;
41	struct rdma_counter_mode	mode;
42	struct mutex			lock;
43	struct rdma_hw_stats		*stats;
44	u32				port;
45};
46
47void rdma_counter_init(struct ib_device *dev);
48void rdma_counter_release(struct ib_device *dev);
49int rdma_counter_set_auto_mode(struct ib_device *dev, u32 port,
50			       enum rdma_nl_counter_mask mask,
51			       bool bind_opcnt,
52			       struct netlink_ext_ack *extack);
53int rdma_counter_bind_qp_auto(struct ib_qp *qp, u32 port);
54int rdma_counter_unbind_qp(struct ib_qp *qp, u32 port, bool force);
55
56int rdma_counter_query_stats(struct rdma_counter *counter);
57u64 rdma_counter_get_hwstat_value(struct ib_device *dev, u32 port, u32 index);
58int rdma_counter_bind_qpn(struct ib_device *dev, u32 port,
59			  u32 qp_num, u32 counter_id);
60int rdma_counter_bind_qpn_alloc(struct ib_device *dev, u32 port,
61				u32 qp_num, u32 *counter_id);
62int rdma_counter_unbind_qpn(struct ib_device *dev, u32 port,
63			    u32 qp_num, u32 counter_id);
64int rdma_counter_get_mode(struct ib_device *dev, u32 port,
65			  enum rdma_nl_counter_mode *mode,
66			  enum rdma_nl_counter_mask *mask,
67			  bool *opcnt);
68
69int rdma_counter_modify(struct ib_device *dev, u32 port,
70			unsigned int index, bool enable);
71#endif /* _RDMA_COUNTER_H_ */