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 u32 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, u32 port, 49 enum rdma_nl_counter_mask mask, 50 struct netlink_ext_ack *extack); 51 int rdma_counter_bind_qp_auto(struct ib_qp *qp, u32 port); 52 int rdma_counter_unbind_qp(struct ib_qp *qp, bool force); 53 54 int rdma_counter_query_stats(struct rdma_counter *counter); 55 u64 rdma_counter_get_hwstat_value(struct ib_device *dev, u32 port, u32 index); 56 int rdma_counter_bind_qpn(struct ib_device *dev, u32 port, 57 u32 qp_num, u32 counter_id); 58 int rdma_counter_bind_qpn_alloc(struct ib_device *dev, u32 port, 59 u32 qp_num, u32 *counter_id); 60 int rdma_counter_unbind_qpn(struct ib_device *dev, u32 port, 61 u32 qp_num, u32 counter_id); 62 int rdma_counter_get_mode(struct ib_device *dev, u32 port, 63 enum rdma_nl_counter_mode *mode, 64 enum rdma_nl_counter_mask *mask); 65 66 #endif /* _RDMA_COUNTER_H_ */ 67