xref: /linux/include/rdma/rdma_counter.h (revision 6fdcba32711044c35c0e1b094cbd8f3f0b4472c9)
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 
15 struct ib_device;
16 struct ib_qp;
17 
18 struct auto_mode_param {
19 	int qp_type;
20 };
21 
22 struct 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 
28 struct 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 
35 struct 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 
46 void rdma_counter_init(struct ib_device *dev);
47 void rdma_counter_release(struct ib_device *dev);
48 int rdma_counter_set_auto_mode(struct ib_device *dev, u8 port,
49 			       bool on, enum rdma_nl_counter_mask mask);
50 int rdma_counter_bind_qp_auto(struct ib_qp *qp, u8 port);
51 int rdma_counter_unbind_qp(struct ib_qp *qp, bool force);
52 
53 int rdma_counter_query_stats(struct rdma_counter *counter);
54 u64 rdma_counter_get_hwstat_value(struct ib_device *dev, u8 port, u32 index);
55 int rdma_counter_bind_qpn(struct ib_device *dev, u8 port,
56 			  u32 qp_num, u32 counter_id);
57 int rdma_counter_bind_qpn_alloc(struct ib_device *dev, u8 port,
58 				u32 qp_num, u32 *counter_id);
59 int rdma_counter_unbind_qpn(struct ib_device *dev, u8 port,
60 			    u32 qp_num, u32 counter_id);
61 int 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