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[for-next] RDMA/bnxt_re: Fix the offset for GenP7 adapters for user applications

Message ID 1702987900-5363-1-git-send-email-selvin.xavier@broadcom.com (mailing list archive)
State Accepted
Headers show
Series [for-next] RDMA/bnxt_re: Fix the offset for GenP7 adapters for user applications | expand

Commit Message

Selvin Xavier Dec. 19, 2023, 12:11 p.m. UTC
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>
---
 drivers/infiniband/hw/bnxt_re/main.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

Comments

Leon Romanovsky Dec. 20, 2023, 7:46 a.m. UTC | #1
On Tue, 19 Dec 2023 04:11:40 -0800, Selvin Xavier wrote:
> User Doorbell page indexes start at an offset for GenP7 adapters.
> Fix the offset that will be used for user doorbell page indexes.
> 
> 

Applied, thanks!

[1/1] RDMA/bnxt_re: Fix the offset for GenP7 adapters for user applications
      https://git.kernel.org/rdma/rdma/c/9248f363d0791a

Best regards,
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c
index eb03eba..f022c922 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