openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

IB/mlx4: Diagnostic HW counters are not supported in slave mode 

Modify the mlx4_ib_diag_counters() to avoid the following error in the
hypervisor when the slave tries to query the hardware counters in SR-IOV
mode.

mlx4_core 0000:81:00.0: Unknown command:0x30 accepted from slave:1

Fixes: 3f85f2aaab ("IB/mlx4: Add diagnostic hardware counters")
Signed-off-by: Kamal Heib <kamalh@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Kamal Heib 2016-09-12 19:16:22 +03:00 committed by Doug Ledford
parent 8ec07bf8a8
commit 69d269d389
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/infiniband/hw/mlx4/main.c
View File

@ -2202,6 +2202,9 @@ static int mlx4_ib_alloc_diag_counters(struct mlx4_ib_dev *ibdev)
bool per_port = !!(ibdev->dev->caps.flags2 &
MLX4_DEV_CAP_FLAG2_DIAG_PER_PORT);
if (mlx4_is_slave(ibdev->dev))
return 0;
for (i = 0; i < MLX4_DIAG_COUNTERS_TYPES; i++) {
/* i == 1 means we are building port counters */
if (i && !per_port)