Query the device attributes for RDMA operations, including maximum transfer size and maximum number of SGEs per RDMA WR, and report them back to the userspace library.
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| @@ -90,12 +90,18 @@ struct efa_ibv_create_ah_resp { · 89 unmodified lines | ||
| 90 | 90 | __u8 reserved_30[2]; |
| 91 | 91 | }; |
| 92 | 92 | |
| 93 | +enum { | |
| 94 | + EFA_QUERY_DEVICE_CAPS_RDMA_READ = 1 << 0, | |
| 95 | +}; | |
| 96 | + | |
| 93 | 97 | struct efa_ibv_ex_query_device_resp { |
| 94 | 98 | __u32 comp_mask; |
| 95 | 99 | __u32 max_sq_wr; |
| 96 | 100 | __u32 max_rq_wr; |
| 97 | 101 | __u16 max_sq_sge; |
| 98 | 102 | __u16 max_rq_sge; |
| 103 | + __u32 max_rdma_size; | |
| 104 | + __u32 device_caps; | |
| 99 | 105 | }; |
| 100 | 106 | |
| 101 | 107 | #endif /* EFA_ABI_USER_H */ |