EFADV_QUERY_QP_WQS(3)

NAME
efadv_query_qp_wqs - Query EFA specific Queue Pair work queue attributes

SYNOPSIS

        #include <infiniband/efadv.h>
        int efadv_query_qp_wqs(struct ibv_qp *ibvqp, struct efadv_wq_attr *sq_attr,
                               struct efadv_wq_attr *rq_attr, uint32_t inlen);

DESCRIPTION
efadv_query_qp_wqs() queries device-specific Queue Pair work queue attributes.

Compatibility is handled using the comp_mask and inlen fields.

        struct efadv_wq_attr {
            uint64_t comp_mask;
            uint8_t *buffer;
            uint32_t entry_size;
            uint32_t num_entries;
            uint32_t *doorbell;
            uint32_t max_batch;
            uint8_t reserved[4];
        };

inlen
    In: Size of struct efadv_wq_attr.

comp_mask
    Compatibility mask.

buffer
    Queue buffer.

entry_size
    Size of each entry in the queue.

num_entries
    Maximal number of entries in the queue.

doorbell
    Queue doorbell.

max_batch
    Maximum batch size for queue submissions.

RETURN VALUE
efadv_query_qp_wqs() returns 0 on success, or the value of errno on failure (which indicates the failure reason).

SEE ALSO
efadv(7)

NOTES

•   Compatibility mask (comp_mask) is an out field and currently has no values.

AUTHORS
Michael Margolin mrgolin@amazon.com