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 bool bind_opcnt; 27 }; 28 29 struct 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 36 struct 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 47 void rdma_counter_init(struct ib_device *dev); 48 void rdma_counter_release(struct ib_device *dev); 49 int 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); 53 int rdma_counter_bind_qp_auto(struct ib_qp *qp, u32 port); 54 int rdma_counter_unbind_qp(struct ib_qp *qp, u32 port, bool force); 55 56 int rdma_counter_query_stats(struct rdma_counter *counter); 57 u64 rdma_counter_get_hwstat_value(struct ib_device *dev, u32 port, u32 index); 58 int rdma_counter_bind_qpn(struct ib_device *dev, u32 port, 59 u32 qp_num, u32 counter_id); 60 int rdma_counter_bind_qpn_alloc(struct ib_device *dev, u32 port, 61 u32 qp_num, u32 *counter_id); 62 int rdma_counter_unbind_qpn(struct ib_device *dev, u32 port, 63 u32 qp_num, u32 counter_id); 64 int 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 69 int rdma_counter_modify(struct ib_device *dev, u32 port, 70 unsigned int index, bool enable); 71 #endif /* _RDMA_COUNTER_H_ */ 72