diff options
| author | Raju Rangoju <rajur@chelsio.com> | 2018-07-05 15:56:01 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-07-13 20:52:55 +0300 |
| commit | 65ca8d9670b70aa8076054c0c23be032c6ac5c77 (patch) | |
| tree | 56a9abe7bcd92b7e4a7a038f134410bbda1a0431 /drivers/infiniband/hw/cxgb4/t4.h | |
| parent | 15039efadd3c16307008becb24b0f9e0cebb2e04 (diff) | |
| download | linux-65ca8d9670b70aa8076054c0c23be032c6ac5c77.tar.xz | |
rdma/cxgb4: Add support for 64Byte cqes
This patch adds support for iw_cxb4 to extend cqes from existing 32Byte
size to 64Byte.
Also includes adds backward compatibility support (for 32Byte) to work
with older libraries.
Signed-off-by: Raju Rangoju <rajur@chelsio.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/t4.h')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/t4.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/cxgb4/t4.h b/drivers/infiniband/hw/cxgb4/t4.h index 8369c7c8de83..838a7dee48bd 100644 --- a/drivers/infiniband/hw/cxgb4/t4.h +++ b/drivers/infiniband/hw/cxgb4/t4.h @@ -179,9 +179,20 @@ struct t4_cqe { __be32 wrid_hi; __be32 wrid_low; } gen; + struct { + __be32 stag; + __be32 msn; + __be32 reserved; + __be32 abs_rqe_idx; + } srcqe; + struct { + __be64 imm_data; + } imm_data_rcqe; + u64 drain_cookie; + __be64 flits[3]; } u; - __be64 reserved; + __be64 reserved[3]; __be64 bits_type_ts; }; @@ -565,6 +576,7 @@ struct t4_cq { u16 cidx_inc; u8 gen; u8 error; + u8 *qp_errp; unsigned long flags; }; @@ -698,12 +710,12 @@ static inline int t4_next_cqe(struct t4_cq *cq, struct t4_cqe **cqe) static inline int t4_cq_in_error(struct t4_cq *cq) { - return ((struct t4_status_page *)&cq->queue[cq->size])->qp_err; + return *cq->qp_errp; } static inline void t4_set_cq_in_error(struct t4_cq *cq) { - ((struct t4_status_page *)&cq->queue[cq->size])->qp_err = 1; + *cq->qp_errp = 1; } #endif |