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IB/hfi: Move RC functions into a header file

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This patch moves some RC helper functions into a header file so that
they can be called from both RC and  TID RDMA functions. In addition,
a common function for rewinding a request is created in rdmavt so that
it can be shared between qib and hfi1 driver.

Reviewed-by: Mike Marciniszyn <[email protected]>
Signed-off-by: Mitko Haralanov <[email protected]>
Signed-off-by: Kaike Wan <[email protected]>
Signed-off-by: Dennis Dalessandro <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
This commit is contained in:
Kaike Wan 2019-01-23 19:29:44 -08:00 • committed by Doug Ledford
commit 385156c5f2
5 changed files with 123 additions and 76 deletions
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10
include/rdma/rdmavt_qp.h
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@ -628,6 +628,16 @@ __be32 rvt_compute_aeth(struct rvt_qp *qp);
*/
void rvt_get_credit(struct rvt_qp *qp, u32 aeth);
/**
* rvt_restart_sge - rewind the sge state for a wqe
* @ss: the sge state pointer
* @wqe: the wqe to rewind
* @len: the data length from the start of the wqe in bytes
*
* Returns the remaining data length.
*/
u32 rvt_restart_sge(struct rvt_sge_state *ss, struct rvt_swqe *wqe, u32 len);
/**
* @qp - the qp pair
* @len - the length