6.1-stable review patch. If anyone has any objections, please let me know.
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From: Chengchang Tang tangchengchang@huawei.com
[ Upstream commit a519a612a71848b69b70b18b4d14d165b2d8aaf7 ]
Log return value of clear_hem() to help diagnose.
Link: https://lore.kernel.org/r/20230523121641.3132102-4-huangjunxian6@hisilicon.c... Signed-off-by: Chengchang Tang tangchengchang@huawei.com Signed-off-by: Junxian Huang huangjunxian6@hisilicon.com Signed-off-by: Jason Gunthorpe jgg@nvidia.com Stable-dep-of: d81fb6511abf ("RDMA/hns: Use dev_* printings in hem code instead of ibdev_*") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/hw/hns/hns_roce_hem.c | 44 ++++++++++++++++-------- 1 file changed, 30 insertions(+), 14 deletions(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c index 2c8f0fd9557d1..d0f338ff78df5 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hem.c +++ b/drivers/infiniband/hw/hns/hns_roce_hem.c @@ -619,6 +619,7 @@ static void clear_mhop_hem(struct hns_roce_dev *hr_dev, u32 hop_num = mhop->hop_num; u32 chunk_ba_num; u32 step_idx; + int ret;
index->inited = HEM_INDEX_BUF; chunk_ba_num = mhop->bt_chunk_size / BA_BYTE_LEN; @@ -642,16 +643,24 @@ static void clear_mhop_hem(struct hns_roce_dev *hr_dev, else step_idx = hop_num;
- if (hr_dev->hw->clear_hem(hr_dev, table, obj, step_idx)) - ibdev_warn(ibdev, "failed to clear hop%u HEM.\n", hop_num); - - if (index->inited & HEM_INDEX_L1) - if (hr_dev->hw->clear_hem(hr_dev, table, obj, 1)) - ibdev_warn(ibdev, "failed to clear HEM step 1.\n"); + ret = hr_dev->hw->clear_hem(hr_dev, table, obj, step_idx); + if (ret) + ibdev_warn(ibdev, "failed to clear hop%u HEM, ret = %d.\n", + hop_num, ret); + + if (index->inited & HEM_INDEX_L1) { + ret = hr_dev->hw->clear_hem(hr_dev, table, obj, 1); + if (ret) + ibdev_warn(ibdev, "failed to clear HEM step 1, ret = %d.\n", + ret); + }
- if (index->inited & HEM_INDEX_L0) - if (hr_dev->hw->clear_hem(hr_dev, table, obj, 0)) - ibdev_warn(ibdev, "failed to clear HEM step 0.\n"); + if (index->inited & HEM_INDEX_L0) { + ret = hr_dev->hw->clear_hem(hr_dev, table, obj, 0); + if (ret) + ibdev_warn(ibdev, "failed to clear HEM step 0, ret = %d.\n", + ret); + } } }
@@ -688,6 +697,7 @@ void hns_roce_table_put(struct hns_roce_dev *hr_dev, { struct device *dev = hr_dev->dev; unsigned long i; + int ret;
if (hns_roce_check_whether_mhop(hr_dev, table->type)) { hns_roce_table_mhop_put(hr_dev, table, obj, 1); @@ -700,8 +710,10 @@ void hns_roce_table_put(struct hns_roce_dev *hr_dev, &table->mutex)) return;
- if (hr_dev->hw->clear_hem(hr_dev, table, obj, HEM_HOP_STEP_DIRECT)) - dev_warn(dev, "failed to clear HEM base address.\n"); + ret = hr_dev->hw->clear_hem(hr_dev, table, obj, HEM_HOP_STEP_DIRECT); + if (ret) + dev_warn(dev, "failed to clear HEM base address, ret = %d.\n", + ret);
hns_roce_free_hem(hr_dev, table->hem[i]); table->hem[i] = NULL; @@ -917,6 +929,8 @@ void hns_roce_cleanup_hem_table(struct hns_roce_dev *hr_dev, { struct device *dev = hr_dev->dev; unsigned long i; + int obj; + int ret;
if (hns_roce_check_whether_mhop(hr_dev, table->type)) { hns_roce_cleanup_mhop_hem_table(hr_dev, table); @@ -925,9 +939,11 @@ void hns_roce_cleanup_hem_table(struct hns_roce_dev *hr_dev,
for (i = 0; i < table->num_hem; ++i) if (table->hem[i]) { - if (hr_dev->hw->clear_hem(hr_dev, table, - i * table->table_chunk_size / table->obj_size, 0)) - dev_err(dev, "clear HEM base address failed.\n"); + obj = i * table->table_chunk_size / table->obj_size; + ret = hr_dev->hw->clear_hem(hr_dev, table, obj, 0); + if (ret) + dev_err(dev, "clear HEM base address failed, ret = %d.\n", + ret);
hns_roce_free_hem(hr_dev, table->hem[i]); }