include/rdma/rdma_counter.h

0001 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
0002 /*
0003  * Copyright (c) 2019 Mellanox Technologies. All rights reserved.
0004  */
0005
0006 #ifndef _RDMA_COUNTER_H_
0007 #define _RDMA_COUNTER_H_
0008
0009 #include <linux/mutex.h>
0010 #include <linux/pid_namespace.h>
0011
0012 #include <rdma/restrack.h>
0013 #include <rdma/rdma_netlink.h>
0014
0015 struct ib_device;
0016 struct ib_qp;
0017
0018 struct auto_mode_param {
0019     int qp_type;
0020 };
0021
0022 struct rdma_counter_mode {
0023     enum rdma_nl_counter_mode mode;
0024     enum rdma_nl_counter_mask mask;
0025     struct auto_mode_param param;
0026 };
0027
0028 struct rdma_port_counter {
0029     struct rdma_counter_mode mode;
0030     struct rdma_hw_stats *hstats;
0031     unsigned int num_counters;
0032     struct mutex lock;
0033 };
0034
0035 struct rdma_counter {
0036     struct rdma_restrack_entry  res;
0037     struct ib_device        *device;
0038     uint32_t            id;
0039     struct kref         kref;
0040     struct rdma_counter_mode    mode;
0041     struct mutex            lock;
0042     struct rdma_hw_stats        *stats;
0043     u32             port;
0044 };
0045
0046 void rdma_counter_init(struct ib_device *dev);
0047 void rdma_counter_release(struct ib_device *dev);
0048 int rdma_counter_set_auto_mode(struct ib_device *dev, u32 port,
0049                    enum rdma_nl_counter_mask mask,
0050                    struct netlink_ext_ack *extack);
0051 int rdma_counter_bind_qp_auto(struct ib_qp *qp, u32 port);
0052 int rdma_counter_unbind_qp(struct ib_qp *qp, bool force);
0053
0054 int rdma_counter_query_stats(struct rdma_counter *counter);
0055 u64 rdma_counter_get_hwstat_value(struct ib_device *dev, u32 port, u32 index);
0056 int rdma_counter_bind_qpn(struct ib_device *dev, u32 port,
0057               u32 qp_num, u32 counter_id);
0058 int rdma_counter_bind_qpn_alloc(struct ib_device *dev, u32 port,
0059                 u32 qp_num, u32 *counter_id);
0060 int rdma_counter_unbind_qpn(struct ib_device *dev, u32 port,
0061                 u32 qp_num, u32 counter_id);
0062 int rdma_counter_get_mode(struct ib_device *dev, u32 port,
0063               enum rdma_nl_counter_mode *mode,
0064               enum rdma_nl_counter_mask *mask);
0065
0066 int rdma_counter_modify(struct ib_device *dev, u32 port,
0067             unsigned int index, bool enable);
0068 #endif /* _RDMA_COUNTER_H_ */