| 1 | /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ | 
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| 2 | /* | 
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| 3 | * Copyright (c) 2019 Mellanox Technologies. All rights reserved. | 
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| 4 | */ | 
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| 5 |  | 
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| 6 | #ifndef _RDMA_COUNTER_H_ | 
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| 7 | #define _RDMA_COUNTER_H_ | 
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| 8 |  | 
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| 9 | #include <linux/mutex.h> | 
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| 10 | #include <linux/pid_namespace.h> | 
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| 11 |  | 
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| 12 | #include <rdma/restrack.h> | 
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| 13 | #include <rdma/rdma_netlink.h> | 
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| 14 |  | 
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| 15 | struct ib_device; | 
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| 16 | struct ib_qp; | 
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| 17 |  | 
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| 18 | struct auto_mode_param { | 
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| 19 | int qp_type; | 
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| 20 | }; | 
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| 21 |  | 
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| 22 | struct rdma_counter_mode { | 
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| 23 | enum rdma_nl_counter_mode mode; | 
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| 24 | enum rdma_nl_counter_mask mask; | 
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| 25 | struct auto_mode_param param; | 
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| 26 | bool bind_opcnt; | 
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| 27 | }; | 
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| 28 |  | 
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| 29 | struct rdma_port_counter { | 
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| 30 | struct rdma_counter_mode mode; | 
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| 31 | struct rdma_hw_stats *hstats; | 
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| 32 | unsigned int num_counters; | 
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| 33 | struct mutex lock; | 
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| 34 | }; | 
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| 35 |  | 
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| 36 | struct rdma_counter { | 
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| 37 | struct rdma_restrack_entry	res; | 
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| 38 | struct ib_device		*device; | 
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| 39 | uint32_t			id; | 
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| 40 | struct kref			kref; | 
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| 41 | struct rdma_counter_mode	mode; | 
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| 42 | struct mutex			lock; | 
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| 43 | struct rdma_hw_stats		*stats; | 
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| 44 | u32				port; | 
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| 45 | }; | 
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| 46 |  | 
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| 47 | void rdma_counter_init(struct ib_device *dev); | 
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| 48 | void rdma_counter_release(struct ib_device *dev); | 
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| 49 | int rdma_counter_set_auto_mode(struct ib_device *dev, u32 port, | 
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| 50 | enum rdma_nl_counter_mask mask, | 
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| 51 | bool bind_opcnt, | 
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| 52 | struct netlink_ext_ack *extack); | 
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| 53 | int rdma_counter_bind_qp_auto(struct ib_qp *qp, u32 port); | 
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| 54 | int rdma_counter_unbind_qp(struct ib_qp *qp, u32 port, bool force); | 
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| 55 |  | 
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| 56 | int rdma_counter_query_stats(struct rdma_counter *counter); | 
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| 57 | u64 rdma_counter_get_hwstat_value(struct ib_device *dev, u32 port, u32 index); | 
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| 58 | int rdma_counter_bind_qpn(struct ib_device *dev, u32 port, | 
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| 59 | u32 qp_num, u32 counter_id); | 
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| 60 | int rdma_counter_bind_qpn_alloc(struct ib_device *dev, u32 port, | 
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| 61 | u32 qp_num, u32 *counter_id); | 
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| 62 | int rdma_counter_unbind_qpn(struct ib_device *dev, u32 port, | 
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| 63 | u32 qp_num, u32 counter_id); | 
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| 64 | int rdma_counter_get_mode(struct ib_device *dev, u32 port, | 
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| 65 | enum rdma_nl_counter_mode *mode, | 
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| 66 | enum rdma_nl_counter_mask *mask, | 
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| 67 | bool *opcnt); | 
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| 68 |  | 
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| 69 | int rdma_counter_modify(struct ib_device *dev, u32 port, | 
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| 70 | unsigned int index, bool enable); | 
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| 71 | #endif /* _RDMA_COUNTER_H_ */ | 
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| 72 |  | 
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