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authorShaobo Xu <xushaobo2@huawei.com>2017-08-30 17:23:09 +0800
committerDoug Ledford <dledford@redhat.com>2017-09-27 08:34:56 -0400
commit9766edc34ea17a8264b76696367aeb88a52ab108 (patch)
tree96a9fb63f353e536d50bf7d7e56c0ff0220e8967 /drivers/infiniband/hw/hns/hns_roce_cq.c
parent6a93c77afe088225363f6941a29fff415b1f7172 (diff)
downloadblackbird-op-linux-9766edc34ea17a8264b76696367aeb88a52ab108.tar.gz
blackbird-op-linux-9766edc34ea17a8264b76696367aeb88a52ab108.zip
RDMA/hns: Split CQE from MTT in hip08
In hip08, the SQWQE/SGE/RQWQE and CQE have different hop num and page size, so we need to manage the base address table of the SQWQE/SGE/RQWQE and CQE separately. This patch is to split CQE from MTT(SQWQE/SGE/RQWQE). Signed-off-by: Shaobo Xu <xushaobo2@huawei.com> Signed-off-by: Lijun Ou <oulijun@huawei.com> Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_cq.c')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_cq.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_cq.c b/drivers/infiniband/hw/hns/hns_roce_cq.c
index 362aeecc1a08..9cf213c53f4c 100644
--- a/drivers/infiniband/hw/hns/hns_roce_cq.c
+++ b/drivers/infiniband/hw/hns/hns_roce_cq.c
@@ -96,7 +96,11 @@ static int hns_roce_cq_alloc(struct hns_roce_dev *hr_dev, int nent,
cq_table = &hr_dev->cq_table;
/* Get the physical address of cq buf */
- mtt_table = &hr_dev->mr_table.mtt_table;
+ if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE))
+ mtt_table = &hr_dev->mr_table.mtt_cqe_table;
+ else
+ mtt_table = &hr_dev->mr_table.mtt_table;
+
mtts = hns_roce_table_find(hr_dev, mtt_table,
hr_mtt->first_seg, &dma_handle);
if (!mtts) {
@@ -221,6 +225,10 @@ static int hns_roce_ib_get_cq_umem(struct hns_roce_dev *hr_dev,
if (IS_ERR(*umem))
return PTR_ERR(*umem);
+ if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE))
+ buf->hr_mtt.mtt_type = MTT_TYPE_CQE;
+ else
+ buf->hr_mtt.mtt_type = MTT_TYPE_WQE;
ret = hns_roce_mtt_init(hr_dev, ib_umem_page_count(*umem),
(*umem)->page_shift, &buf->hr_mtt);
if (ret)
@@ -250,6 +258,11 @@ static int hns_roce_ib_alloc_cq_buf(struct hns_roce_dev *hr_dev,
if (ret)
goto out;
+ if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE))
+ buf->hr_mtt.mtt_type = MTT_TYPE_CQE;
+ else
+ buf->hr_mtt.mtt_type = MTT_TYPE_WQE;
+
ret = hns_roce_mtt_init(hr_dev, buf->hr_buf.npages,
buf->hr_buf.page_shift, &buf->hr_mtt);
if (ret)
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