1EFADV_QUERY_AH(3)           EFA Direct Verbs Manual          EFADV_QUERY_AH(3)
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NAME

6       efadv_query_ah - Query EFA specific Address Handle attributes
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SYNOPSIS

9              #include <infiniband/efadv.h>
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11              int efadv_query_ah(struct ibv_ah *ibvah, struct efadv_ah_attr *attr,
12                         uint32_t inlen);
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DESCRIPTION

15       efadv_query_ah() queries device-specific Address Handle attributes.
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17       Compatibility is handled using the comp_mask and inlen fields.
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19              struct efadv_ah_attr {
20                  uint64_t comp_mask;
21                  uint16_t ahn;
22                  uint8_t reserved[6];
23              };
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25       inlen  In: Size of struct efadv_ah_attr.
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27       comp_mask
28              Compatibility mask.
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30       ahn    Device’s Address Handle number.
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RETURN VALUE

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

37       efadv(7)
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NOTES

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

44       Gal Pressman <galpress@amazon.com>
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48efa                               2019-05-19                 EFADV_QUERY_AH(3)