table of contents
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¶
NOTES¶
- •
- Compatibility mask (comp_mask) is an out field and currently has no values.
AUTHORS¶
Gal Pressman <galpress@amazon.com>
2019-05-19 | efa |