diff options
| author | Selvin Xavier <selvin.xavier@broadcom.com> | 2023-12-19 13:11:40 +0100 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2023-12-20 08:45:45 +0100 |
| commit | 9248f363d0791a548a9c7711365b8be4c70bd375 (patch) | |
| tree | 4a350552c06eb3137c9222fa0e8d963436a7ee55 /drivers/infiniband | |
| parent | RDMA/bnxt_re: Share a page to expose per CQ info with userspace (diff) | |
| download | linux-9248f363d0791a548a9c7711365b8be4c70bd375.tar.xz linux-9248f363d0791a548a9c7711365b8be4c70bd375.zip | |
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 <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1702987900-5363-1-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/main.c | 8 |
1 files changed, 5 insertions, 3 deletions
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 |