diff options
| -rw-r--r-- | drivers/infiniband/hw/qedr/verbs.c | 13 | ||||
| -rw-r--r-- | include/uapi/rdma/qedr-abi.h | 18 |
2 files changed, 28 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c index 4cd292966aa9..115f187f0c86 100644 --- a/drivers/infiniband/hw/qedr/verbs.c +++ b/drivers/infiniband/hw/qedr/verbs.c @@ -312,7 +312,18 @@ int qedr_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata) } ctx->db_mmap_entry = &entry->rdma_entry; - uresp.dpm_enabled = dev->user_dpm_enabled; + if (!dev->user_dpm_enabled) + uresp.dpm_flags = 0; + else if (rdma_protocol_iwarp(&dev->ibdev, 1)) + uresp.dpm_flags = QEDR_DPM_TYPE_IWARP_LEGACY; + else + uresp.dpm_flags = QEDR_DPM_TYPE_ROCE_ENHANCED | + QEDR_DPM_TYPE_ROCE_LEGACY; + + uresp.dpm_flags |= QEDR_DPM_SIZES_SET; + uresp.ldpm_limit_size = QEDR_LDPM_MAX_SIZE; + uresp.edpm_trans_size = QEDR_EDPM_TRANS_SIZE; + uresp.wids_enabled = 1; uresp.wid_count = oparams.wid_count; uresp.db_pa = rdma_user_mmap_get_offset(ctx->db_mmap_entry); diff --git a/include/uapi/rdma/qedr-abi.h b/include/uapi/rdma/qedr-abi.h index c022ee26089b..a0b83c9d4498 100644 --- a/include/uapi/rdma/qedr-abi.h +++ b/include/uapi/rdma/qedr-abi.h @@ -48,6 +48,18 @@ struct qedr_alloc_ucontext_req { __u32 reserved; }; +#define QEDR_LDPM_MAX_SIZE (8192) +#define QEDR_EDPM_TRANS_SIZE (64) + +enum qedr_rdma_dpm_type { + QEDR_DPM_TYPE_NONE = 0, + QEDR_DPM_TYPE_ROCE_ENHANCED = 1 << 0, + QEDR_DPM_TYPE_ROCE_LEGACY = 1 << 1, + QEDR_DPM_TYPE_IWARP_LEGACY = 1 << 2, + QEDR_DPM_TYPE_RESERVED = 1 << 3, + QEDR_DPM_SIZES_SET = 1 << 4, +}; + struct qedr_alloc_ucontext_resp { __aligned_u64 db_pa; __u32 db_size; @@ -59,10 +71,12 @@ struct qedr_alloc_ucontext_resp { __u32 sges_per_recv_wr; __u32 sges_per_srq_wr; __u32 max_cqes; - __u8 dpm_enabled; + __u8 dpm_flags; __u8 wids_enabled; __u16 wid_count; - __u32 reserved; + __u16 ldpm_limit_size; + __u8 edpm_trans_size; + __u8 reserved; }; struct qedr_alloc_pd_ureq { |