From fa8fad92ddddfc0cfb6fd9e9f645cf53a5ee78a6 Mon Sep 17 00:00:00 2001 From: Chandramohan Akula Date: Tue, 18 Jul 2023 22:02:54 -0700 Subject: [PATCH] RDMA/bnxt_re: Enable pacing support for the user apps Report the pacing capability to the user applications. Link: https://lore.kernel.org/r/1689742977-9128-5-git-send-email-selvin.xavier@broadcom.com Signed-off-by: Chandramohan Akula Signed-off-by: Selvin Xavier Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/bnxt_re/ib_verbs.c | 2 ++ include/uapi/rdma/bnxt_re-abi.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index abef0b8..86b71c7 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -4075,6 +4075,8 @@ int bnxt_re_alloc_ucontext(struct ib_ucontext *ctx, struct ib_udata *udata) goto cfail; } uctx->shpage_mmap = &entry->rdma_entry; + if (rdev->pacing.dbr_pacing) + resp.comp_mask |= BNXT_RE_UCNTX_CMASK_DBR_PACING_ENABLED; rc = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp))); if (rc) { diff --git a/include/uapi/rdma/bnxt_re-abi.h b/include/uapi/rdma/bnxt_re-abi.h index 8a2a1d4..060bf1d 100644 --- a/include/uapi/rdma/bnxt_re-abi.h +++ b/include/uapi/rdma/bnxt_re-abi.h @@ -53,6 +53,7 @@ enum { BNXT_RE_UCNTX_CMASK_HAVE_CCTX = 0x1ULL, BNXT_RE_UCNTX_CMASK_HAVE_MODE = 0x02ULL, BNXT_RE_UCNTX_CMASK_WC_DPI_ENABLED = 0x04ULL, + BNXT_RE_UCNTX_CMASK_DBR_PACING_ENABLED = 0x08ULL, }; enum bnxt_re_wqe_mode { -- 2.7.4