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authorSteve Wise <swise@opengridcomputing.com>2007-11-26 11:28:46 -0600
committerRoland Dreier <rolandd@cisco.com>2008-01-25 14:15:26 -0800
commit457fe7b8a6822907cbe65897dc81b83d9df5bcbf (patch)
treed30b8fa4987cd928bc4975e0a85b706c1124ef29 /drivers
parent7f049f2f4259e4a5c213720df1ce0c2ca095641a (diff)
downloadblackbird-obmc-linux-457fe7b8a6822907cbe65897dc81b83d9df5bcbf.tar.gz
blackbird-obmc-linux-457fe7b8a6822907cbe65897dc81b83d9df5bcbf.zip
RDMA/cxgb3: Support version 5.0 firmware
The 5.0 firmware now supports translating sgls in recv work requests, so remove the host driver logic currently doing the translation. Note: this change requires 5.0 firmware. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_qp.c21
1 files changed, 2 insertions, 19 deletions
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index dd89b6b91f9c..9bb811256b28 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -208,36 +208,19 @@ static int iwch_sgl2pbl_map(struct iwch_dev *rhp, struct ib_sge *sg_list,
static int iwch_build_rdma_recv(struct iwch_dev *rhp, union t3_wr *wqe,
struct ib_recv_wr *wr)
{
- int i, err = 0;
- u32 pbl_addr[4];
- u8 page_size[4];
+ int i;
if (wr->num_sge > T3_MAX_SGE)
return -EINVAL;
- err = iwch_sgl2pbl_map(rhp, wr->sg_list, wr->num_sge, pbl_addr,
- page_size);
- if (err)
- return err;
- wqe->recv.pagesz[0] = page_size[0];
- wqe->recv.pagesz[1] = page_size[1];
- wqe->recv.pagesz[2] = page_size[2];
- wqe->recv.pagesz[3] = page_size[3];
wqe->recv.num_sgle = cpu_to_be32(wr->num_sge);
for (i = 0; i < wr->num_sge; i++) {
wqe->recv.sgl[i].stag = cpu_to_be32(wr->sg_list[i].lkey);
wqe->recv.sgl[i].len = cpu_to_be32(wr->sg_list[i].length);
-
- /* to in the WQE == the offset into the page */
- wqe->recv.sgl[i].to = cpu_to_be64(((u32) wr->sg_list[i].addr) %
- (1UL << (12 + page_size[i])));
-
- /* pbl_addr is the adapters address in the PBL */
- wqe->recv.pbl_addr[i] = cpu_to_be32(pbl_addr[i]);
+ wqe->recv.sgl[i].to = cpu_to_be64(wr->sg_list[i].addr);
}
for (; i < T3_MAX_SGE; i++) {
wqe->recv.sgl[i].stag = 0;
wqe->recv.sgl[i].len = 0;
wqe->recv.sgl[i].to = 0;
- wqe->recv.pbl_addr[i] = 0;
}
return 0;
}
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