diff options
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_common.h')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_common.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_common.h b/drivers/infiniband/hw/hns/hns_roce_common.h index f6e79848147d..d5fe56c78394 100644 --- a/drivers/infiniband/hw/hns/hns_roce_common.h +++ b/drivers/infiniband/hw/hns/hns_roce_common.h @@ -86,6 +86,16 @@ #define hr_reg_write(ptr, field, val) _hr_reg_write(ptr, field, val) +#define _hr_reg_read(ptr, field_type, field_h, field_l) \ + ({ \ + const field_type *_ptr = ptr; \ + BUILD_BUG_ON(((field_h) / 32) != ((field_l) / 32)); \ + FIELD_GET(GENMASK((field_h) % 32, (field_l) % 32), \ + le32_to_cpu(*((__le32 *)_ptr + (field_h) / 32))); \ + }) + +#define hr_reg_read(ptr, field) _hr_reg_read(ptr, field) + #define ROCEE_GLB_CFG_ROCEE_DB_SQ_MODE_S 3 #define ROCEE_GLB_CFG_ROCEE_DB_OTH_MODE_S 4 |