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RDMA/netlink: Implement counter dumpit calback

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This patch adds the ability to return all available counters together with
their properties and hwstats.

Signed-off-by: Mark Zhang <[email protected]>
Reviewed-by: Majd Dibbiny <[email protected]>
Signed-off-by: Leon Romanovsky <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
This commit is contained in:
Mark Zhang 2019-07-02 13:02:40 +03:00 • committed by Jason Gunthorpe
commit c4ffee7c9b
6 changed files with 268 additions and 8 deletions
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10
include/rdma/ib_verbs.h
View file

@ -2503,6 +2503,16 @@ struct ib_device_ops {
* counter_dealloc -De-allocate the hw counter
*/
int (*counter_dealloc)(struct rdma_counter *counter);
/**
* counter_alloc_stats - Allocate a struct rdma_hw_stats and fill in
* the driver initialized data.
*/
struct rdma_hw_stats *(*counter_alloc_stats)(
struct rdma_counter *counter);
/**
* counter_update_stats - Query the stats value of this counter
*/
int (*counter_update_stats)(struct rdma_counter *counter);
DECLARE_RDMA_OBJ_SIZE(ib_ah);
DECLARE_RDMA_OBJ_SIZE(ib_cq);

3
include/rdma/rdma_counter.h
View file

@ -37,6 +37,7 @@ struct rdma_counter {
struct kref kref;
struct rdma_counter_mode mode;
struct mutex lock;
struct rdma_hw_stats *stats;
u8 port;
};
@ -47,4 +48,6 @@ int rdma_counter_set_auto_mode(struct ib_device *dev, u8 port,
int rdma_counter_bind_qp_auto(struct ib_qp *qp, u8 port);
int rdma_counter_unbind_qp(struct ib_qp *qp, bool force);
int rdma_counter_query_stats(struct rdma_counter *counter);
#endif /* _RDMA_COUNTER_H_ */