From 2a7d8624cb249b789cbaf35bf74feb0d4cca9e66 Mon Sep 17 00:00:00 2001
From: Mykola F <37578614+mykolaf@users.noreply.github.com>
Date: Mon, 19 Aug 2019 20:25:39 +0300
Subject: [PATCH]  [Mellanox] align platform reboot to use "hardware reboot"
 (#3321)

Signed-off-by: Mykola Faryma <mykolaf@mellanox.com>
---
 .../x86_64-mlnx_msn2700-r0/platform_reboot    |  8 +++++--
 .../platform_reboot                           | 22 ++++++++++++++++++-
 .../platform_reboot                           |  2 +-
 3 files changed, 28 insertions(+), 4 deletions(-)
 mode change 120000 => 100755 device/mellanox/x86_64-mlnx_msn2700_simx-r0/platform_reboot

diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/platform_reboot b/device/mellanox/x86_64-mlnx_msn2700-r0/platform_reboot
index 58ead64023..d310210497 100755
--- a/device/mellanox/x86_64-mlnx_msn2700-r0/platform_reboot
+++ b/device/mellanox/x86_64-mlnx_msn2700-r0/platform_reboot
@@ -4,6 +4,7 @@ declare -r EXIT_SUCCESS="0"
 declare -r EXIT_ERROR="1"
 
 declare -r FW_UPGRADE_SCRIPT="/usr/bin/mlnx-fw-upgrade.sh"
+declare -r SYSFS_PWR_CYCLE="/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/pwr_cycle"
 
 FORCE_REBOOT="no"
 
@@ -20,7 +21,7 @@ function ParseArguments() {
 
 ParseArguments "$@"
 
-${FW_UPGRADE_SCRIPT} --upgrade
+${FW_UPGRADE_SCRIPT} --upgrade --verbose
 EXIT_CODE="$?"
 if [[ "${EXIT_CODE}" != "${EXIT_SUCCESS}" ]]; then
     echo "Failed to burn MLNX FW: errno=${EXIT_CODE}"
@@ -31,4 +32,7 @@ if [[ "${EXIT_CODE}" != "${EXIT_SUCCESS}" ]]; then
     fi
 fi
 
-exec /sbin/reboot $@
+# perform "hardware" reboot
+echo 1 > $SYSFS_PWR_CYCLE
+sleep 3
+echo 0 > $SYSFS_PWR_CYCLE
diff --git a/device/mellanox/x86_64-mlnx_msn2700_simx-r0/platform_reboot b/device/mellanox/x86_64-mlnx_msn2700_simx-r0/platform_reboot
deleted file mode 120000
index 43c8ea5674..0000000000
--- a/device/mellanox/x86_64-mlnx_msn2700_simx-r0/platform_reboot
+++ /dev/null
@@ -1 +0,0 @@
-../x86_64-mlnx_msn2700-r0/platform_reboot
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn2700_simx-r0/platform_reboot b/device/mellanox/x86_64-mlnx_msn2700_simx-r0/platform_reboot
new file mode 100755
index 0000000000..5b9809e104
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn2700_simx-r0/platform_reboot
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+declare -r EXIT_SUCCESS="0"
+declare -r EXIT_ERROR="1"
+
+FORCE_REBOOT="no"
+
+function ParseArguments() {
+    while [ $# -ge 1 ]; do
+        case "$1" in
+            -f|--force)
+                FORCE_REBOOT="yes"
+            ;;
+        esac
+        shift
+    done
+}
+
+ParseArguments "$@"
+
+exec /sbin/reboot $@
diff --git a/device/mellanox/x86_64-mlnx_msn3700_simx-r0/platform_reboot b/device/mellanox/x86_64-mlnx_msn3700_simx-r0/platform_reboot
index d66ab7537b..dfaf534176 120000
--- a/device/mellanox/x86_64-mlnx_msn3700_simx-r0/platform_reboot
+++ b/device/mellanox/x86_64-mlnx_msn3700_simx-r0/platform_reboot
@@ -1 +1 @@
-../x86_64-mlnx_msn3700-r0/platform_reboot
\ No newline at end of file
+../x86_64-mlnx_msn2700_simx-r0/platform_reboot
\ No newline at end of file