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RDMA/counter: Add "auto" configuration mode support

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In auto mode all QPs belong to one category are bind automatically to a
single counter set. Currently only "qp type" is supported.

In this mode the qp counter is set in RST2INIT modification, and when a qp
is destroyed the counter is unbound.

Signed-off-by: Mark Zhang <markz@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Mark Zhang
2019-07-02 13:02:35 +03:00
committed by Jason Gunthorpe
parent 413d334750
commit 99fa331dc8
5 changed files with 259 additions and 0 deletions
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18
include/rdma/ib_verbs.h
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@@ -1698,6 +1698,9 @@ struct ib_qp {
* Implementation details of the RDMA core, don't use in drivers:
*/
struct rdma_restrack_entry res;
/* The counter the qp is bind to */
struct rdma_counter *counter;
};
struct ib_dm {
@@ -2485,6 +2488,21 @@ struct ib_device_ops {
u8 pdata_len);
int (*iw_create_listen)(struct iw_cm_id *cm_id, int backlog);
int (*iw_destroy_listen)(struct iw_cm_id *cm_id);
/**
* counter_bind_qp - Bind a QP to a counter.
* @counter - The counter to be bound. If counter->id is zero then
* the driver needs to allocate a new counter and set counter->id
*/
int (*counter_bind_qp)(struct rdma_counter *counter, struct ib_qp *qp);
/**
* counter_unbind_qp - Unbind the qp from the dynamically-allocated
* counter and bind it onto the default one
*/
int (*counter_unbind_qp)(struct ib_qp *qp);
/**
* counter_dealloc -De-allocate the hw counter
*/
int (*counter_dealloc)(struct rdma_counter *counter);
DECLARE_RDMA_OBJ_SIZE(ib_ah);
DECLARE_RDMA_OBJ_SIZE(ib_cq);