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| author | Kaike Wan <kaike.wan@intel.com> | 2019-01-23 19:21:01 -0800 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2019-01-31 11:36:05 -0500 |
| commit | ddf922c31fedd19c5b89a269c35e5c8b68c64327 (patch) | |
| tree | 6daf6ecb072e29614ea2a1574e322042c93ea5da /include/rdma/rdma_vt.h | |
| parent | f01b4d5a43da47a9f61618a81a4ff3258ddc2c01 (diff) | |
| download | lwn-ddf922c31fedd19c5b89a269c35e5c8b68c64327.tar.gz lwn-ddf922c31fedd19c5b89a269c35e5c8b68c64327.zip | |
IB/hfi1, IB/rdmavt: Allow for extending of QP's s_ack_queue
The OPFN protocol uses the COMPARE_SWAP request to exchange data
between the requester and the responder and therefore needs to
be stored in the QP's s_ack_queue when the request is received
on the responder side. However, because the user does not know
anything about the OPFN protocol, this extra entry in the
queue cannot be advertised to the user. This patch adds an extra
entry in a QP's s_ack_queue.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/rdma/rdma_vt.h')
| -rw-r--r-- | include/rdma/rdma_vt.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h index acb3bc96dfa7..168e40be183c 100644 --- a/include/rdma/rdma_vt.h +++ b/include/rdma/rdma_vt.h @@ -182,6 +182,7 @@ struct rvt_driver_params { u32 max_mad_size; u8 qos_shift; u8 max_rdma_atomic; + u8 extra_rdma_atomic; u8 reserved_operations; }; @@ -519,7 +520,14 @@ static inline unsigned rvt_get_npkeys(struct rvt_dev_info *rdi) */ static inline unsigned int rvt_max_atomic(struct rvt_dev_info *rdi) { - return rdi->dparms.max_rdma_atomic + 1; + return rdi->dparms.max_rdma_atomic + + rdi->dparms.extra_rdma_atomic + 1; +} + +static inline unsigned int rvt_size_atomic(struct rvt_dev_info *rdi) +{ + return rdi->dparms.max_rdma_atomic + + rdi->dparms.extra_rdma_atomic; } /* |