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IBV_MODIFY_CQ(3) | Libibverbs Programmer's Manual | IBV_MODIFY_CQ(3) |
NAME¶
ibv_modify_cq - modify a completion queue (CQ)SYNOPSIS¶
#include <infiniband/verbs.h> int ibv_modify_cq(struct ibv_cq *cq, struct ibv_modify_cq_attr *cq_attr);
DESCRIPTION¶
ibv_modify_cq() modify a CQ cq. The argument cq_attr is an ibv_modify_cq_attr struct, as defined in <infiniband/verbs.h>.struct ibv_moderate_cq {
uint16_t cq_count; /* number of completions per event */ uint16_t cq_period; /* in micro seconds */
}; struct ibv_modify_cq_attr {
uint32_t attr_mask; struct ibv_moderate_cq moderate;
};
The function ibv_modify_cq() will modify the CQ, based on the given cq_attr->attr_mask
RETURN VALUE¶
returns 0 on success, or the value of errno on failure (which indicates the failure reason).SEE ALSO¶
ibv_create_cq(3)AUTHORS¶
- Yonatan Cohen <yonatanc@mellanox.com>
2017-10-20 | libibverbs |