From 5ea92b8db2a0cb05c3d17bd1f842442b3685e221 Mon Sep 17 00:00:00 2001
From: Vladimir Sokolovsky <vlad@nvidia.com>
Date: Fri, 2 Oct 2020 10:43:40 -0500
Subject: [PATCH] kernel-boot/mlnx-sf: Change PF_BAR2_SIZE and remove limits

Starting FW 18/24.28.1100 PF_BAR2_SIZE value should be increased by 1.
max_mdevs limits are set by FW

Signed-off-by: Vladimir Sokolovsky <vlad@nvidia.com>
---
 kernel-boot/mlnx-sf | 28 +---------------------------
 1 file changed, 1 insertion(+), 27 deletions(-)

diff --git a/kernel-boot/mlnx-sf b/kernel-boot/mlnx-sf
index 807210d..a448db0 100755
--- a/kernel-boot/mlnx-sf
+++ b/kernel-boot/mlnx-sf
@@ -42,8 +42,7 @@ export uuid_path=""
 export mac=""
 export permanent=0
 export conf="/etc/mellanox/mlnx-sf.conf"
-export PF_BAR2_SIZE=1
-export LIMIT_MAX_MDEVS=2
+export PF_BAR2_SIZE=3
 
 usage() {
 cat << EOF
@@ -107,28 +106,6 @@ set_max_mdevs() {
 		exit 1
 	fi
 
-	PF_BAR2_SIZE=`get_config_value PF_BAR2_SIZE`
-	case "X${PF_BAR2_SIZE}" in
-		X1)
-			LIMIT_MAX_MDEVS=2
-			;;
-		X2)
-			LIMIT_MAX_MDEVS=16
-			;;
-		X3)
-			LIMIT_MAX_MDEVS=32
-			;;
-		*)
-			error "Enable SFs first, using: $prog -a enable -d ${device}"
-			exit 1
-			;;
-	esac
-
-	if [ $max_mdevs -gt $LIMIT_MAX_MDEVS ]; then
-		max_mdevs=$LIMIT_MAX_MDEVS
-		warn "Maximum number of supported MDEV devices is limited to $LIMIT_MAX_MDEVS"
-	fi
-
 	x=$(cat ${devpath}/mdev_supported_types/mlx5_core-local/max_mdevs)
 	if [ "$x" -ne $max_mdevs ] ;then
 		ex "echo $max_mdevs > ${devpath}/mdev_supported_types/mlx5_core-local/max_mdevs"
@@ -200,9 +177,6 @@ done
 enable() {
 # Action: enable
 	info "Enabling SF for device: ${device}"
-	if (lspci -n -s ${device} | grep -q 'a2d6'); then
-		PF_BAR2_SIZE=2
-	fi
 	current_pf_bar2_size=`get_config_value PF_BAR2_SIZE`
 	current_pf_bar2_enable=`get_config_value PF_BAR2_ENABLE`
 	if [[ "${current_pf_bar2_size}" == "$PF_BAR2_SIZE" && "$current_pf_bar2_enable" == "True" ]]; then