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RDMA/counter: Allow manual mode configuration support

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In manual mode a QP is bound to a counter manually. If counter is not
specified then a new one will be allocated.

Manual mode is enabled when user binds a QP, and disabled when the last
manually bound QP is unbound.

When auto-mode is turned off and there are counters left, manual mode is
enabled so that the user is able to access these counters.

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 13:02:43 +03:00 • committed by Jason Gunthorpe
commit 1bd8e0a9d0
3 changed files with 229 additions and 3 deletions
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7
include/rdma/rdma_counter.h
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@ -28,6 +28,7 @@ struct rdma_counter_mode {
struct rdma_port_counter {
struct rdma_counter_mode mode;
struct rdma_hw_stats *hstats;
unsigned int num_counters;
struct mutex lock;
};
@ -51,5 +52,11 @@ int rdma_counter_unbind_qp(struct ib_qp *qp, bool force);
int rdma_counter_query_stats(struct rdma_counter *counter);
u64 rdma_counter_get_hwstat_value(struct ib_device *dev, u8 port, u32 index);
int rdma_counter_bind_qpn(struct ib_device *dev, u8 port,
u32 qp_num, u32 counter_id);
int rdma_counter_bind_qpn_alloc(struct ib_device *dev, u8 port,
u32 qp_num, u32 *counter_id);
int rdma_counter_unbind_qpn(struct ib_device *dev, u8 port,
u32 qp_num, u32 counter_id);
#endif /* _RDMA_COUNTER_H_ */