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[Juniper][QFX5210]Adding the system reboot handler #3599

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Oct 20, 2019
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Original file line number Diff line number Diff line change
@@ -1,2 +1,16 @@
systemctl enable qfx5210-platform-init.service
systemctl start qfx5210-platform-init.service

SONIC_VERSION=$(sonic-cfggen -y /etc/sonic/sonic_version.yml -v build_version)
FIRST_BOOT_FILE="/host/image-${SONIC_VERSION}/platform/firsttime"

if [ -f $FIRST_BOOT_FILE ]; then
mkdir /tmp/sda1
mount /dev/sda1 /tmp/sda1
cd /tmp/sda1/EFI
mkdir BOOT
cp SONiC-OS/grubx64.efi BOOT/BOOTX64.EFI
cd /tmp
umount sda1
efibootmgr -c -L "SONiC" -l "\EFI\BOOT\BOOTX64.EFI" > /dev/null 2>&1
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fi
Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,8 @@
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/dmi.h>
#include <linux/notifier.h>
#include <linux/reboot.h>

#define PSU_STATUS_I2C_ADDR 0x60
#define PSU_STATUS_I2C_REG_OFFSET 0x03
Expand All @@ -46,6 +48,10 @@
static ssize_t show_status(struct device *dev, struct device_attribute *da, char *buf);
static struct qfx5210_64x_psu_data *qfx5210_64x_psu_update_device(struct device *dev);
extern int juniper_i2c_cpld_read (u8 cpld_addr, u8 reg);
/*
* This function is defined in juniper_i2c_cpld.c
*/
extern int juniper_i2c_cpld_write(unsigned short, u8, u8);

/* Addresses scanned
*/
Expand Down Expand Up @@ -78,6 +84,36 @@ static struct attribute *qfx5210_64x_psu_attributes[] = {
NULL
};

static int qfx5210_cpld_soft_reset(struct notifier_block *nb,
unsigned long action,
void *data)
{
int ret = 0;

switch (action) {
case SYS_POWER_OFF:
case SYS_HALT:
printk(KERN_CRIT "System halt/power_off\n");
break;
case SYS_RESTART:
printk(KERN_CRIT "System restart: qfx5210_cpld_soft_reset\n");
ret = juniper_i2c_cpld_write(0x65, 0x04, 0x01);
if (ret) {
printk(KERN_CRIT "qfx5210_cpld_soft_reset failed\n");
}
msleep(100);
break;
default:
/* Do Nothing */
break;
}
return NOTIFY_DONE;
}

static struct notifier_block qfx5210_nb = {
.notifier_call = qfx5210_cpld_soft_reset,
};

static ssize_t show_status(struct device *dev, struct device_attribute *da,
char *buf)
{
Expand All @@ -103,11 +139,6 @@ static const struct attribute_group qfx5210_64x_psu_group = {
.attrs = qfx5210_64x_psu_attributes,
};

/*
* This function is defined in juniper_i2c_cpld.c
*/
extern int juniper_i2c_cpld_write(unsigned short, u8, u8);

/*
* QFX5210 power off sequence
*/
Expand All @@ -126,7 +157,6 @@ static void qfx5210_cpld_power_off(void)
*/
static void (*default_pm_power_off)(void);


static int qfx5210_64x_psu_probe(struct i2c_client *client,
const struct i2c_device_id *dev_id)
{
Expand Down Expand Up @@ -165,12 +195,7 @@ static int qfx5210_64x_psu_probe(struct i2c_client *client,

dev_info(&client->dev, "%s: psu '%s'\n",
dev_name(data->hwmon_dev), client->name);
/*
* Store the default poweroff handler for later usage
*/
default_pm_power_off = pm_power_off;
pm_power_off = qfx5210_cpld_power_off;


return 0;

exit_remove:
Expand All @@ -189,19 +214,14 @@ static int qfx5210_64x_psu_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &qfx5210_64x_psu_group);
kfree(data);

/*
* Restore the poweroff handler
*/
pm_power_off = default_pm_power_off;


return 0;
}

enum psu_index
{
qfx5210_64x_psu1,
qfx5210_64x_psu2
qfx5210_64x_psu2
};

static const struct i2c_device_id qfx5210_64x_psu_id[] = {
Expand Down Expand Up @@ -259,11 +279,37 @@ static struct qfx5210_64x_psu_data *qfx5210_64x_psu_update_device(struct device

static int __init qfx5210_64x_psu_init(void)
{
/*
* Store the default poweroff handler for later usage
*/
default_pm_power_off = pm_power_off;
/*
* Register the cpld poweroff handler
*/
pm_power_off = qfx5210_cpld_power_off;
/*
* Register the cpld soft reset handler
*/
if(register_reboot_notifier(&qfx5210_nb)) {
printk(KERN_ALERT "Restart handler registration failed\n");
}

return i2c_add_driver(&qfx5210_64x_psu_driver);
}

static void __exit qfx5210_64x_psu_exit(void)
{
/*
* Restore the poweroff handler
*/
pm_power_off = default_pm_power_off;
/*
* Unregister the cpld soft reset handler
*/
if (!unregister_restart_handler(&qfx5210_nb)) {
printk(KERN_CRIT "Failed to uregister restart handler\n");
}

i2c_del_driver(&qfx5210_64x_psu_driver);
}

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@ DefaultDependencies=no
ExecStartPre=/usr/local/bin/juniper_qfx5210_util.py install
ExecStart=/usr/local/bin/juniper_qfx5210_monitor.py
RemainAfterExit=yes
StandardOutput=syslog+console
StandardError=syslog+console

[Install]
WantedBy=multi-user.target
Original file line number Diff line number Diff line change
Expand Up @@ -60,7 +60,7 @@ def __init__(self):

def get_qfx5210_parameter_value(self,parameter_name):
try:
with open("/var/run/qfx5210_eeprom", "r") as file:
with open("/var/run/eeprom", "r") as file:
for item in file:
content = item.split('=')
if content[0] == parameter_name:
Expand All @@ -71,29 +71,32 @@ def get_qfx5210_parameter_value(self,parameter_name):
return "False"

def get_product_name(self):
product_name_list = self.get_qfx5210_parameter_value('ProductName')
product_name_list = self.get_qfx5210_parameter_value('Product Name')
if product_name_list:
product_name = ''.join(product_name_list)
return product_name
else:
return False


def get_part_number(self):
part_number_list = self.get_qfx5210_parameter_value('PartNumber')
part_number_list = self.get_qfx5210_parameter_value('Part Number')
if part_number_list:
part_number = ''.join(part_number_list)
return part_number
else:
return False


def get_serial_number(self):
serial_number_list = self.get_qfx5210_parameter_value('SerialNumber')
serial_number_list = self.get_qfx5210_parameter_value('Serial Number')
if serial_number_list:
serial_number = ''.join(serial_number_list)
return serial_number
else:
return False


def get_base_mac(self):
mac_list = self.get_qfx5210_parameter_value('MAC')
if mac_list:
Expand All @@ -102,13 +105,134 @@ def get_base_mac(self):
else:
return False


def get_mfg_date(self):
mfgdate_list = self.get_qfx5210_parameter_value('Manufacture Date')
if mfgdate_list:
mfgdate = ''.join(mfgdate_list)
return mfgdate
else:
return False

def get_deviceversion_name(self):
device_version_list = self.get_qfx5210_parameter_value('Device Version')
if device_version_list:
deviceversion_name = ''.join(device_version_list)
return deviceversion_name
else:
return False

def get_platform_name(self):
platform_name_list = self.get_qfx5210_parameter_value('PlatformName')
platform_name_list = self.get_qfx5210_parameter_value('Platform Name')
if platform_name_list:
platform_name = ''.join(platform_name_list)
return platform_name
else:
return False

def get_MACnumber_name(self):
MACnumber_name_list = self.get_qfx5210_parameter_value('Number of MAC Addresses')
if MACnumber_name_list:
MACnumber_name = ''.join(MACnumber_name_list)
return MACnumber_name
else:
return False

def get_vendor_name(self):
vendor_name_list = self.get_qfx5210_parameter_value('Vendor Name')
if vendor_name_list:
vendor_name = ''.join(vendor_name_list)
return vendor_name
else:
return False

def get_mfg_name(self):
mfg_name_list = self.get_qfx5210_parameter_value('Manufacture Name')
if mfg_name_list:
mfg_name = ''.join(mfg_name_list)
return mfg_name
else:
return False

def get_vendorext_name(self):
vendorext_list = self.get_qfx5210_parameter_value('Vendor Extension')
if vendorext_list:
vendorext = ''.join(vendorext_list)
return vendorext
else:
return False

def get_vendorextIANA_name(self):
vendorext_list = self.get_qfx5210_parameter_value('IANA')
if vendorext_list:
vendorext = ''.join(vendorext_list)
return vendorext
else:
return False

def get_vendorextASMREV_name(self):
vendorext_list = self.get_qfx5210_parameter_value('Assembly Part Number Rev')
if vendorext_list:
vendorext = ''.join(vendorext_list)
return vendorext
else:
return False

def get_vendorextASMPartNum_name(self):
vendorext_list = self.get_qfx5210_parameter_value('Assembly Part Number')
if vendorext_list:
vendorext = ''.join(vendorext_list)
return vendorext
else:
return False

def get_vendorextASMID_name(self):
vendorext_list = self.get_qfx5210_parameter_value('Assembly ID')
if vendorext_list:
vendorext = ''.join(vendorext_list)
return vendorext
else:
return False

def get_vendorextASMMajNum_name(self):
vendorext_list = self.get_qfx5210_parameter_value('Assembly Major Revision')
if vendorext_list:
vendorext = ''.join(vendorext_list)
return vendorext
else:
return False

def get_vendorextASMMinNum_name(self):
vendorext_list = self.get_qfx5210_parameter_value('Assembly Minor Revision')
if vendorext_list:
vendorext = ''.join(vendorext_list)
return vendorext
else:
return False

def get_vendorextCLEI_name(self):
vendorext_list = self.get_qfx5210_parameter_value('CLEI code')
if vendorext_list:
vendorext = ''.join(vendorext_list)
return vendorext
else:
return False

def get_onieversion_name(self):
onieversion_name_list = self.get_qfx5210_parameter_value('ONIE Version')
if onieversion_name_list:
onieversion_name = ''.join(onieversion_name_list)
return onieversion_name
else:
return False

def get_crc_name(self):
crc_list = self.get_qfx5210_parameter_value('CRC')
if crc_list:
crc_name = ''.join(crc_list)
return crc_name
else:
return False

def get_fan_type(self, fantype_path):
try:
Expand All @@ -134,6 +258,8 @@ def get_reboot_cause(self):
return (ChassisBase.REBOOT_CAUSE_WATCHDOG, None)
elif last_reboot_reason == "0x20":
return (ChassisBase.REBOOT_CAUSE_POWER_LOSS, None)
elif last_reboot_reason == "0x10":
return (ChassisBase.REBOOT_CAUSE_HARDWARE_OTHER, "Swizzle Reset")
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else:
return (ChassisBase.REBOOT_CAUSE_HARDWARE_OTHER, "Unknown reason")
else:
Expand All @@ -145,5 +271,7 @@ def get_reboot_cause(self):
return (ChassisBase.REBOOT_CAUSE_WATCHDOG, None)
elif last_reboot_reason == "0x20":
return (ChassisBase.REBOOT_CAUSE_POWER_LOSS, None)
elif last_reboot_reason == "0x10":
return (ChassisBase.REBOOT_CAUSE_HARDWARE_OTHER, "Swizzle Reset")
else:
return (ChassisBase.REBOOT_CAUSE_HARDWARE_OTHER, "Unknown reason")
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