1IBV_MODIFY_CQ(3)        Libibverbs Programmer's Manual        IBV_MODIFY_CQ(3)
2
3
4

NAME

6       ibv_modify_cq - modify a completion queue (CQ)
7

SYNOPSIS

9       #include <infiniband/verbs.h>
10
11       int ibv_modify_cq(struct ibv_cq *cq, struct ibv_modify_cq_attr *cq_attr);
12
13

DESCRIPTION

15       ibv_modify_cq()  modify  a  CQ cq.  The argument cq_attr is an ibv_mod‐
16       ify_cq_attr struct, as defined in <infiniband/verbs.h>.
17
18       struct ibv_moderate_cq {
19               uint16_t cq_count;  /* number of completions per event */
20               uint16_t cq_period; /* in micro seconds */
21       };
22
23       struct ibv_modify_cq_attr {
24                    uint32_t attr_mask;
25                    struct ibv_moderate_cq moderate;
26       };
27
28       The function ibv_modify_cq() will modify the CQ,  based  on  the  given
29       cq_attr->attr_mask
30

RETURN VALUE

32       returns 0 on success, or the value of errno on failure (which indicates
33       the failure reason).
34

SEE ALSO

36       ibv_create_cq(3)
37

AUTHORS

39       Yonatan Cohen <yonatanc@mellanox.com>
40
41
42
43libibverbs                        2017-10-20                  IBV_MODIFY_CQ(3)