RE: mlx5 sub function issue

Hi David,

From: David Ahern <redacted>
Sent: Monday, March 8, 2021 9:18 PM

On 3/8/21 12:21 AM, ze wang wrote:

quoted

mlxconfig tool from mft tools version 4.16.52 or higher to set number of SF.

mlxconfig -d b3:00.0  PF_BAR2_ENABLE=0 PER_PF_NUM_SF=1
PF_SF_BAR_SIZE=8 mlxconfig -d b3:00.0  PER_PF_NUM_SF=1

PF_TOTAL_SF=192

quoted

PF_SF_BAR_SIZE=8 mlxconfig -d b3:00.1  PER_PF_NUM_SF=1

PF_TOTAL_SF=192

quoted

PF_SF_BAR_SIZE=8

Cold reboot power cycle of the system as this changes the BAR size in
device

Is that capability going to be added to devlink?

Yes, want to expose as devlink resource at per controller level.
However devlink resource doesn’t have enough plumbing available to define controller, pf annotation which was the primary blocker for lacking this info right now.