diff options
Diffstat (limited to 'drivers/infiniband/hw/bnxt_re/qplib_res.h')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/qplib_res.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.h b/drivers/infiniband/hw/bnxt_re/qplib_res.h index 95b645dbbc2d..c29cbd3a2d7b 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.h @@ -80,6 +80,15 @@ enum bnxt_qplib_pbl_lvl { #define ROCE_PG_SIZE_8M (8 * 1024 * 1024) #define ROCE_PG_SIZE_1G (1024 * 1024 * 1024) +enum bnxt_qplib_hwrm_pg_size { + BNXT_QPLIB_HWRM_PG_SIZE_4K = 0, + BNXT_QPLIB_HWRM_PG_SIZE_8K = 1, + BNXT_QPLIB_HWRM_PG_SIZE_64K = 2, + BNXT_QPLIB_HWRM_PG_SIZE_2M = 3, + BNXT_QPLIB_HWRM_PG_SIZE_8M = 4, + BNXT_QPLIB_HWRM_PG_SIZE_1G = 5, +}; + struct bnxt_qplib_reg_desc { u8 bar_id; resource_size_t bar_base; @@ -126,6 +135,7 @@ struct bnxt_qplib_hwq { u32 max_elements; u32 depth; u16 element_size; /* Size of each entry */ + u16 qe_ppg; /* queue entry per page */ u32 prod; /* raw */ u32 cons; /* raw */ @@ -263,6 +273,49 @@ static inline u8 bnxt_qplib_get_ring_type(struct bnxt_qplib_chip_ctx *cctx) RING_ALLOC_REQ_RING_TYPE_ROCE_CMPL; } +static inline u8 bnxt_qplib_base_pg_size(struct bnxt_qplib_hwq *hwq) +{ + u8 pg_size = BNXT_QPLIB_HWRM_PG_SIZE_4K; + struct bnxt_qplib_pbl *pbl; + + pbl = &hwq->pbl[PBL_LVL_0]; + switch (pbl->pg_size) { + case ROCE_PG_SIZE_4K: + pg_size = BNXT_QPLIB_HWRM_PG_SIZE_4K; + break; + case ROCE_PG_SIZE_8K: + pg_size = BNXT_QPLIB_HWRM_PG_SIZE_8K; + break; + case ROCE_PG_SIZE_64K: + pg_size = BNXT_QPLIB_HWRM_PG_SIZE_64K; + break; + case ROCE_PG_SIZE_2M: + pg_size = BNXT_QPLIB_HWRM_PG_SIZE_2M; + break; + case ROCE_PG_SIZE_8M: + pg_size = BNXT_QPLIB_HWRM_PG_SIZE_8M; + break; + case ROCE_PG_SIZE_1G: + pg_size = BNXT_QPLIB_HWRM_PG_SIZE_1G; + break; + default: + break; + } + + return pg_size; +} + +static inline void *bnxt_qplib_get_qe(struct bnxt_qplib_hwq *hwq, + u32 indx, u64 *pg) +{ + u32 pg_num, pg_idx; + + pg_num = (indx / hwq->qe_ppg); + pg_idx = (indx % hwq->qe_ppg); + if (pg) + *pg = (u64)&hwq->pbl_ptr[pg_num]; + return (void *)(hwq->pbl_ptr[pg_num] + hwq->element_size * pg_idx); +} #define to_bnxt_qplib(ptr, type, member) \ container_of(ptr, type, member) |