diff options
Diffstat (limited to 'drivers/infiniband/hw/bnxt_re/qplib_res.h')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/qplib_res.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.h b/drivers/infiniband/hw/bnxt_re/qplib_res.h index b29c2ad6a47c..9da470d1e4a3 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.h @@ -173,6 +173,7 @@ struct bnxt_qplib_db_info { void __iomem *priv_db; struct bnxt_qplib_hwq *hwq; u32 xid; + u32 max_slot; }; /* Tables */ @@ -332,6 +333,14 @@ static inline void *bnxt_qplib_get_qe(struct bnxt_qplib_hwq *hwq, return (void *)(hwq->pbl_ptr[pg_num] + hwq->element_size * pg_idx); } +static inline void *bnxt_qplib_get_prod_qe(struct bnxt_qplib_hwq *hwq, u32 idx) +{ + idx += hwq->prod; + if (idx >= hwq->depth) + idx -= hwq->depth; + return bnxt_qplib_get_qe(hwq, idx, NULL); +} + #define to_bnxt_qplib(ptr, type, member) \ container_of(ptr, type, member) @@ -409,8 +418,7 @@ static inline void bnxt_qplib_ring_prod_db(struct bnxt_qplib_db_info *info, key = (info->xid & DBC_DBC_XID_MASK) | DBC_DBC_PATH_ROCE | type; key <<= 32; - key |= (info->hwq->prod & (info->hwq->max_elements - 1)) & - DBC_DBC_INDEX_MASK; + key |= ((info->hwq->prod / info->max_slot)) & DBC_DBC_INDEX_MASK; writeq(key, info->db); } |