From 9248f363d0791a548a9c7711365b8be4c70bd375 Mon Sep 17 00:00:00 2001 From: Selvin Xavier Date: Tue, 19 Dec 2023 04:11:40 -0800 Subject: RDMA/bnxt_re: Fix the offset for GenP7 adapters for user applications User Doorbell page indexes start at an offset for GenP7 adapters. Fix the offset that will be used for user doorbell page indexes. Fixes: a62d68581441 ("RDMA/bnxt_re: Update the BAR offsets") Signed-off-by: Selvin Xavier Link: https://lore.kernel.org/r/1702987900-5363-1-git-send-email-selvin.xavier@broadcom.com Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/bnxt_re/main.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'drivers/infiniband') diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index eb03ebad2e5a..f022c922fae5 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -108,12 +108,14 @@ static void bnxt_re_set_db_offset(struct bnxt_re_dev *rdev) dev_info(rdev_to_dev(rdev), "Couldn't get DB bar size, Low latency framework is disabled\n"); /* set register offsets for both UC and WC */ - if (bnxt_qplib_is_chip_gen_p7(cctx)) + if (bnxt_qplib_is_chip_gen_p7(cctx)) { res->dpi_tbl.ucreg.offset = offset; - else + res->dpi_tbl.wcreg.offset = en_dev->l2_db_size; + } else { res->dpi_tbl.ucreg.offset = res->is_vf ? BNXT_QPLIB_DBR_VF_DB_OFFSET : BNXT_QPLIB_DBR_PF_DB_OFFSET; - res->dpi_tbl.wcreg.offset = res->dpi_tbl.ucreg.offset; + res->dpi_tbl.wcreg.offset = res->dpi_tbl.ucreg.offset; + } /* If WC mapping is disabled by L2 driver then en_dev->l2_db_size * is equal to the DB-Bar actual size. This indicates that L2 -- cgit