summaryrefslogtreecommitdiff
path: root/drivers/infiniband/hw/hns/hns_roce_hem.c
diff options
context:
space:
mode:
authorStefan Agner <stefan.agner@toradex.com>2019-06-18 14:29:35 +0200
committerStefan Agner <stefan.agner@toradex.com>2019-06-18 14:29:35 +0200
commitd15d0b7a9f89cf5a905ad6802eb23100c8063939 (patch)
tree84caa660dc73842efa29e116dcb3e32aa81a5cf0 /drivers/infiniband/hw/hns/hns_roce_hem.c
parente9dcc568b2e968af848bbdb4267ba6cde5457b9e (diff)
parent858848641fbecd42437e36adc9291b0ce5db379e (diff)
Merge tag 'v4.19.50-rt22' into toradex_4.19.y-rt
Linux 4.19.50-rt22
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_hem.c')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hem.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c
index f6faefed96e8..a73d388b7093 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hem.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hem.c
@@ -745,6 +745,8 @@ void *hns_roce_table_find(struct hns_roce_dev *hr_dev,
idx_offset = (obj & (table->num_obj - 1)) % obj_per_chunk;
dma_offset = offset = idx_offset * table->obj_size;
} else {
+ u32 seg_size = 64; /* 8 bytes per BA and 8 BA per segment */
+
hns_roce_calc_hem_mhop(hr_dev, table, &mhop_obj, &mhop);
/* mtt mhop */
i = mhop.l0_idx;
@@ -756,8 +758,8 @@ void *hns_roce_table_find(struct hns_roce_dev *hr_dev,
hem_idx = i;
hem = table->hem[hem_idx];
- dma_offset = offset = (obj & (table->num_obj - 1)) *
- table->obj_size % mhop.bt_chunk_size;
+ dma_offset = offset = (obj & (table->num_obj - 1)) * seg_size %
+ mhop.bt_chunk_size;
if (mhop.hop_num == 2)
dma_offset = offset = 0;
}