EFADV_QUERY_AH(3) EFA Direct Verbs Manual EFADV_QUERY_AH(3)
NAME
efadv_query_ah - Query EFA specific Address Handle attributes
SYNOPSIS
#include <infiniband/efadv.h>
int efadv_query_ah(struct ibv_ah *ibvah, struct efadv_ah_attr *attr,
uint32_t inlen);
DESCRIPTION
efadv_query_ah() queries device-specific Address Handle attributes.
Compatibility is handled using the comp_mask and inlen fields.
struct efadv_ah_attr {
uint64_t comp_mask;
uint16_t ahn;
uint8_t reserved[6];
};
inlen In: Size of struct efadv_ah_attr.
comp_mask
Compatibility mask.
ahn Device’s Address Handle number.
RETURN VALUE
efadv_query_ah() 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
Gal Pressman <galpress@amazon.com>
efa 2019-05-19 EFADV_QUERY_AH(3)
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