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| author | Michael J. Ruhl | 2019-01-24 04:08:29 +0100 |
|---|---|---|
| committer | Doug Ledford | 2019-01-30 20:22:32 +0100 |
| commit | db421a54996c602503204345171c662e65f20527 (patch) | |
| tree | da0a29f94c0f5ab6a44b2024c8b88f64bb4ac8b7 /drivers/infiniband/hw/hfi1/ud.c | |
| parent | IB/{hfi1,qib}: Cleanup open coded sge sizing (diff) | |
| download | kernel-qcow2-linux-db421a54996c602503204345171c662e65f20527.tar.gz kernel-qcow2-linux-db421a54996c602503204345171c662e65f20527.tar.xz kernel-qcow2-linux-db421a54996c602503204345171c662e65f20527.zip | |
IB/{hfi1, qib, rvt} Cleanup open coded sge usage
Several locations for manipulating sges use an open coded sequence
that is covered by helper functions.
Use the appropriate helper functions.
Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/ud.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/ud.c | 24 |
1 files changed, 2 insertions, 22 deletions
diff --git a/drivers/infiniband/hw/hfi1/ud.c b/drivers/infiniband/hw/hfi1/ud.c index 88242fe95eaa..c98d94cda15e 100644 --- a/drivers/infiniband/hw/hfi1/ud.c +++ b/drivers/infiniband/hw/hfi1/ud.c @@ -222,31 +222,11 @@ static void ud_loopback(struct rvt_qp *sqp, struct rvt_swqe *swqe) ssge.num_sge = swqe->wr.num_sge; sge = &ssge.sge; while (length) { - u32 len = sge->length; + u32 len = rvt_get_sge_length(sge, length); - if (len > length) - len = length; - if (len > sge->sge_length) - len = sge->sge_length; WARN_ON_ONCE(len == 0); rvt_copy_sge(qp, &qp->r_sge, sge->vaddr, len, true, false); - sge->vaddr += len; - sge->length -= len; - sge->sge_length -= len; - if (sge->sge_length == 0) { - if (--ssge.num_sge) - *sge = *ssge.sg_list++; - } else if (sge->length == 0 && sge->mr->lkey) { - if (++sge->n >= RVT_SEGSZ) { - if (++sge->m >= sge->mr->mapsz) - break; - sge->n = 0; - } - sge->vaddr = - sge->mr->map[sge->m]->segs[sge->n].vaddr; - sge->length = - sge->mr->map[sge->m]->segs[sge->n].length; - } + rvt_update_sge(&ssge, len, false); length -= len; } rvt_put_ss(&qp->r_sge); |