[platform] Add DellEMC s5232f API 2.0 support (#4552)
This commit is contained in:
parent
e976b70e74
commit
2cd9f74d21
@ -1785,6 +1785,16 @@ static ssize_t show_psu(struct device *dev,
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}
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ret = pow/10;
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break;
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case 11:
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psu_status = smf_read_reg(data, PSU_1_STATUS);
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if (psu_status &(2))
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ret=1;
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break;
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case 12:
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psu_status = smf_read_reg(data, PSU_2_STATUS);
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if (psu_status &(2))
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ret=1;
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break;
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default:
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return ret;
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}
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@ -2027,6 +2037,8 @@ static SENSOR_DEVICE_ATTR(psu1_presence, S_IRUGO, show_psu, NULL, 1);
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static SENSOR_DEVICE_ATTR(psu2_presence, S_IRUGO, show_psu, NULL, 6);
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static SENSOR_DEVICE_ATTR(psu1_serialno, S_IRUGO, show_ppid, NULL, 10);
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static SENSOR_DEVICE_ATTR(psu2_serialno, S_IRUGO, show_ppid, NULL, 11);
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static SENSOR_DEVICE_ATTR(psu1_type, S_IRUGO, show_psu, NULL, 11);
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static SENSOR_DEVICE_ATTR(psu2_type, S_IRUGO, show_psu, NULL, 12);
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static SENSOR_DEVICE_ATTR(current_total_power, S_IRUGO, show_psu, NULL, 10);
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/* SMF Version */
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@ -185,33 +185,44 @@ class IpmiFru(object):
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return result
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def get_board_serial(self):
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def _get_from_fru(self, info):
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"""
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Returns a string containing the Serial Number of the device.
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Returns a string containing the info from FRU
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"""
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fru_output = self._get_ipmitool_fru_print()
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if not fru_output:
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return "NA"
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board_serial = re.search(r'Board Serial\s*:(.*)', fru_output)
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if not board_serial:
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info_req = re.search(r"%s\s*:(.*)"%info, fru_output)
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if not info_req:
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return "NA"
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return board_serial.group(1).strip()
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return info_req.group(1).strip()
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def get_board_serial(self):
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"""
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Returns a string containing the Serial Number of the device.
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"""
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return self._get_from_fru('Board Serial')
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def get_board_part_number(self):
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"""
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Returns a string containing the Part Number of the device.
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"""
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fru_output = self._get_ipmitool_fru_print()
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if not fru_output:
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return "NA"
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return self._get_from_fru('Board Part Number')
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board_pn = re.search(r'Board Part Number\s*:(.*)', fru_output)
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if not board_pn:
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return "NA"
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def get_board_mfr_id(self):
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"""
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Returns a string containing the manufacturer id of the FRU.
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"""
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return self._get_from_fru('Board Mfg')
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def get_board_product(self):
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"""
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Returns a string containing the manufacturer id of the FRU.
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"""
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return self._get_from_fru('Board Product')
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return board_pn.group(1).strip()
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def get_fru_data(self, offset, count=1):
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"""
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@ -0,0 +1,24 @@
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# Helper functions to access hardware
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import struct
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import mmap
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import subprocess
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# Read PCI device
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def pci_mem_read(mm, offset):
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mm.seek(offset)
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read_data_stream = mm.read(4)
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return struct.unpack('I',read_data_stream)[0]
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def pci_get_value(resource, offset):
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with open(resource, 'r+b') as fd:
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mm = mmap.mmap(fd.fileno(), 0)
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val = pci_mem_read(mm, offset)
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mm.close()
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return val
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# Read I2C device
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def i2c_get(bus, i2caddr, ofs):
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return int(subprocess.check_output(['/usr/sbin/i2cget', '-y', str(bus), str(i2caddr), str(ofs)]), 16)
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@ -6,6 +6,7 @@ s5232f/scripts/pcisysfs.py usr/bin
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s5232f/scripts/qsfp_irq_enable.py usr/bin
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s5232f/cfg/s5232f-modules.conf etc/modules-load.d
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s5232f/systemd/platform-modules-s5232f.service etc/systemd/system
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s5232f/modules/sonic_platform-1.0-py2-none-any.whl usr/share/sonic/device/x86_64-dellemc_s5232f_c3538-r0
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common/platform_reboot usr/share/sonic/device/x86_64-dellemc_s5232f_c3538-r0
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common/fw-updater usr/local/bin
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common/onie_mode_set usr/local/bin
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@ -35,6 +35,11 @@ override_dh_auto_build:
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cd $(MOD_SRC_DIR)/$${mod}; \
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python2.7 setup.py bdist_wheel -d $(MOD_SRC_DIR)/$${mod}/modules; \
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cd $(MOD_SRC_DIR); \
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elif [ $$mod = "s5232f" ]; then \
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cp $(COMMON_DIR)/ipmihelper.py $(MOD_SRC_DIR)/$${mod}/sonic_platform/ipmihelper.py; \
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cd $(MOD_SRC_DIR)/$${mod}; \
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python2.7 setup.py bdist_wheel -d $(MOD_SRC_DIR)/$${mod}/modules; \
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cd $(MOD_SRC_DIR); \
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fi; \
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echo "making man page alias $$mod -> $$mod APIs";\
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make -C $(KERNEL_SRC)/build M=$(MOD_SRC_DIR)/$${mod}/modules; \
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@ -82,6 +87,11 @@ override_dh_clean:
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rm -f $(MOD_SRC_DIR)/$${mod}/modules/*.whl; \
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rm -rf $(MOD_SRC_DIR)/$${mod}/build; \
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rm -rf $(MOD_SRC_DIR)/$${mod}/build/*.egg-info; \
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elif [ $$mod = "s5232f" ]; then \
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rm -f $(MOD_SRC_DIR)/$${mod}/sonic_platform/ipmihelper.py; \
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rm -f $(MOD_SRC_DIR)/$${mod}/modules/*.whl; \
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rm -rf $(MOD_SRC_DIR)/$${mod}/build; \
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rm -rf $(MOD_SRC_DIR)/$${mod}/build/*.egg-info; \
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fi; \
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make -C $(KERNEL_SRC)/build M=$(MOD_SRC_DIR)/$${mod}/modules clean; \
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done); \
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@ -155,6 +155,21 @@ platform_firmware_versions() {
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r_maj=`/usr/sbin/i2cget -y 600 0x33 0x1 | sed ' s/.*\(0x..\)$/\1/'`
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echo "Slave CPLD 4: $((r_maj)).$((r_min))" >> $FIRMWARE_VERSION_FILE
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}
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install_python_api_package() {
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device="/usr/share/sonic/device"
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platform=$(/usr/local/bin/sonic-cfggen -H -v DEVICE_METADATA.localhost.platform)
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rv=$(pip install $device/$platform/sonic_platform-1.0-py2-none-any.whl)
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}
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remove_python_api_package() {
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rv=$(pip show sonic-platform > /dev/null 2>/dev/null)
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if [ $? -eq 0 ]; then
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rv=$(pip uninstall -y sonic-platform > /dev/null 2>/dev/null)
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fi
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}
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init_devnum
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if [ "$1" == "init" ]; then
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@ -170,6 +185,7 @@ if [ "$1" == "init" ]; then
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switch_board_sfp "new_device"
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switch_board_modsel
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switch_board_led_default
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install_python_api_package
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python /usr/bin/qsfp_irq_enable.py
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platform_firmware_versions
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@ -178,9 +194,9 @@ elif [ "$1" == "deinit" ]; then
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switch_board_qsfp "delete_device"
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switch_board_sfp "delete_device"
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switch_board_qsfp_mux "delete_device"
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switch_board_sfp "delete_device"
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modprobe -r i2c-mux-pca954x
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modprobe -r i2c-dev
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remove_python_api_package
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else
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echo "s5232f_platform : Invalid option !"
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fi
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1
platform/broadcom/sonic-platform-modules-dell/s5232f/setup.py
Symbolic link
1
platform/broadcom/sonic-platform-modules-dell/s5232f/setup.py
Symbolic link
@ -0,0 +1 @@
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../s6100/setup.py
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@ -0,0 +1 @@
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@ -0,0 +1,231 @@
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#!/usr/bin/env python
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#############################################################################
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# DELLEMC S5232F
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#
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# Module contains an implementation of SONiC Platform Base API and
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# provides the platform information
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#
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#############################################################################
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try:
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import sys
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from __future__ import division
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from sonic_platform_base.chassis_base import ChassisBase
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from sonic_platform.sfp import Sfp
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from sonic_platform.eeprom import Eeprom
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from sonic_platform.component import Component
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from sonic_platform.psu import Psu
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from sonic_platform.thermal import Thermal
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from sonic_platform.watchdog import Watchdog
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from sonic_platform.fan import Fan
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except ImportError as e:
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raise ImportError(str(e) + "- required module not found")
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MAX_S5232F_COMPONENT = 6 # BIOS,BMC,FPGA,SYSTEM CPLD,4 SLAVE CPLDs
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MAX_S5232F_FANTRAY =4
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MAX_S5232F_FAN = 2
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MAX_S5232F_PSU = 2
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MAX_S5232F_THERMAL = 8
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class Chassis(ChassisBase):
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"""
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DELLEMC Platform-specific Chassis class
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"""
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oir_fd = -1
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epoll = -1
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_global_port_pres_dict = {}
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def __init__(self):
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ChassisBase.__init__(self)
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# sfp.py will read eeprom contents and retrive the eeprom data.
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# We pass the eeprom path from chassis.py
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self.PORT_START = 1
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self.PORT_END = 34
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self.PORTS_IN_BLOCK = (self.PORT_END + 1)
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_sfp_port = range(33, self.PORT_END + 1)
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eeprom_base = "/sys/class/i2c-adapter/i2c-{0}/{0}-0050/eeprom"
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for index in range(self.PORT_START, self.PORTS_IN_BLOCK):
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port_num = index + 1
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eeprom_path = eeprom_base.format(port_num)
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if index not in _sfp_port:
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sfp_node = Sfp(index, 'QSFP', eeprom_path)
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else:
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sfp_node = Sfp(index, 'SFP', eeprom_path)
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self._sfp_list.append(sfp_node)
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self._eeprom = Eeprom()
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self._watchdog = Watchdog()
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self._num_sfps = self.PORT_END
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self._num_fans = MAX_S5232F_FANTRAY * MAX_S5232F_FAN
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self._fan_list = [Fan(i, j) for i in range(MAX_S5232F_FANTRAY) \
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for j in range(MAX_S5232F_FAN)]
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self._psu_list = [Psu(i) for i in range(MAX_S5232F_PSU)]
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self._thermal_list = [Thermal(i) for i in range(MAX_S5232F_THERMAL)]
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self._component_list = [Component(i) for i in range(MAX_S5232F_COMPONENT)]
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for port_num in range(self.PORT_START, self.PORTS_IN_BLOCK):
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# sfp get uses zero-indexing, but port numbers start from 1
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presence = self.get_sfp(port_num).get_presence()
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self._global_port_pres_dict[port_num] = '1' if presence else '0'
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def __del__(self):
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if self.oir_fd != -1:
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self.epoll.unregister(self.oir_fd.fileno())
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self.epoll.close()
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self.oir_fd.close()
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# check for this event change for sfp / do we need to handle timeout/sleep
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def get_change_event(self, timeout=0):
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from time import sleep
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"""
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Returns a nested dictionary containing all devices which have
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experienced a change at chassis level
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"""
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port_dict = {}
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change_dict = {}
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change_dict['sfp'] = port_dict
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elapsed_time_ms = 0
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sleep_time_ms = 500
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sleep_time = sleep_time_ms / 1000
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while True:
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for port_num in range(self.PORT_START, (self.PORT_END + 1)):
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presence = self.get_sfp(port_num).get_presence()
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if(presence and self._global_port_pres_dict[port_num] == '0'):
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self._global_port_pres_dict[port_num] = '1'
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port_dict[port_num] = '1'
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elif(not presence and
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self._global_port_pres_dict[port_num] == '1'):
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self._global_port_pres_dict[port_num] = '0'
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port_dict[port_num] = '0'
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if(len(port_dict) > 0):
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return True, change_dict
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if timeout != 0:
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elapsed_time_ms += sleep_time_ms
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if elapsed_time_ms > timeout:
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break
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time.sleep(sleep_time)
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return True, change_dict
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def get_sfp(self, index):
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"""
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Retrieves sfp represented by (0-based) index <index>
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Args:
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index: An integer, the index (0-based) of the sfp to retrieve.
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The index should be the sequence of a physical port in a chassis,
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starting from 0.
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For example, 0 for Ethernet0, 1 for Ethernet4 and so on.
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Returns:
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An object dervied from SfpBase representing the specified sfp
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"""
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sfp = None
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try:
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# The index will start from 0
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sfp = self._sfp_list[index-1]
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except IndexError:
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sys.stderr.write("SFP index {} out of range (0-{})\n".format(
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index, len(self._sfp_list)-1))
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return sfp
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def get_name(self):
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"""
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Retrieves the name of the chassis
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Returns:
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string: The name of the chassis
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"""
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return self._eeprom.modelstr()
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def get_presence(self):
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"""
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Retrieves the presence of the chassis
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Returns:
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bool: True if chassis is present, False if not
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"""
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return True
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def get_model(self):
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"""
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Retrieves the model number (or part number) of the chassis
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Returns:
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string: Model/part number of chassis
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"""
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return self._eeprom.part_number_str()
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def get_serial(self):
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"""
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Retrieves the serial number of the chassis (Service tag)
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Returns:
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string: Serial number of chassis
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"""
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return self._eeprom.serial_str()
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def get_status(self):
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"""
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Retrieves the operational status of the chassis
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Returns:
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bool: A boolean value, True if chassis is operating properly
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False if not
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"""
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return True
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def get_base_mac(self):
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"""
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Retrieves the base MAC address for the chassis
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Returns:
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A string containing the MAC address in the format
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'XX:XX:XX:XX:XX:XX'
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"""
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return self._eeprom.base_mac_addr('')
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def get_serial_number(self):
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"""
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Retrieves the hardware serial number for the chassis
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Returns:
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A string containing the hardware serial number for this chassis.
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"""
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return self._eeprom.serial_number_str()
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def get_system_eeprom_info(self):
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"""
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Retrieves the full content of system EEPROM information for the chassis
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Returns:
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A dictionary where keys are the type code defined in
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OCP ONIE TlvInfo EEPROM format and values are their corresponding
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values.
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"""
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return self._eeprom.system_eeprom_info()
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def get_eeprom(self):
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"""
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Retrieves the Sys Eeprom instance for the chassis.
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Returns :
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The instance of the Sys Eeprom
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"""
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return self._eeprom
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def get_num_fans(self):
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"""
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Retrives the number of Fans on the chassis.
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Returns :
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An integer represents the number of Fans on the chassis.
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"""
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return self._num_fans
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def get_num_sfps(self):
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"""
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Retrives the numnber of Media on the chassis.
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Returns:
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An integer represences the number of SFPs on the chassis.
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"""
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return self._num_sfps
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@ -0,0 +1,123 @@
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#!/usr/bin/env python
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########################################################################
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# DELLEMC S5232F
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#
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# Module contains an implementation of SONiC Platform Base API and
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# provides the Components' (e.g., BIOS, CPLD, FPGA, BMC etc.) available in
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# the platform
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#
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########################################################################
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try:
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import subprocess
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from sonic_platform_base.component_base import ComponentBase
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import sonic_platform.hwaccess as hwaccess
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except ImportError as e:
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raise ImportError(str(e) + "- required module not found")
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def get_bios_version():
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return subprocess.check_output(['dmidecode', '-s', 'system-version']).strip()
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def get_fpga_version():
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val = hwaccess.pci_get_value('/sys/bus/pci/devices/0000:04:00.0/resource0', 0)
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return '{}.{}'.format((val >> 8) & 0xff, val & 0xff)
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def get_bmc_version():
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return subprocess.check_output(
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['cat', '/sys/class/ipmi/ipmi0/device/bmc/firmware_revision']
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).strip()
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|
||||
def get_cpld_version(bus, i2caddr):
|
||||
return '{}.{}'.format(hwaccess.i2c_get(bus, i2caddr, 1),
|
||||
hwaccess.i2c_get(bus, i2caddr, 0)
|
||||
)
|
||||
|
||||
def get_cpld0_version():
|
||||
return get_cpld_version(601, 0x31)
|
||||
|
||||
def get_cpld1_version():
|
||||
return get_cpld_version(600, 0x30)
|
||||
|
||||
def get_cpld2_version():
|
||||
return get_cpld_version(600, 0x31)
|
||||
|
||||
|
||||
class Component(ComponentBase):
|
||||
"""DellEMC Platform-specific Component class"""
|
||||
|
||||
CHASSIS_COMPONENTS = [
|
||||
['BIOS',
|
||||
'Performs initialization of hardware components during booting',
|
||||
get_bios_version
|
||||
],
|
||||
|
||||
['FPGA',
|
||||
'Used for managing the system LEDs',
|
||||
get_fpga_version
|
||||
],
|
||||
|
||||
['BMC',
|
||||
'Platform management controller for on-board temperature ',
|
||||
'monitoring, in-chassis power, Fan and LED control',
|
||||
get_bmc_version
|
||||
],
|
||||
|
||||
['System CPLD',
|
||||
'Used for managing the CPU power sequence and CPU states',
|
||||
get_cpld0_version
|
||||
],
|
||||
|
||||
['Slave CPLD 1',
|
||||
'Used for managing SFP28/QSFP28 port transceivers (SFP28 1-24, QSFP28 1-4)',
|
||||
get_cpld1_version
|
||||
],
|
||||
|
||||
['Slave CPLD 2',
|
||||
'Used for managing SFP28/QSFP28 port transceivers (SFP28 25-48, QSFP28 5-8)',
|
||||
get_cpld2_version
|
||||
],
|
||||
|
||||
]
|
||||
|
||||
def __init__(self, component_index = 0):
|
||||
self.index = component_index
|
||||
self.name = self.CHASSIS_COMPONENTS[self.index][0]
|
||||
self.description = self.CHASSIS_COMPONENTS[self.index][1]
|
||||
self.version = self.CHASSIS_COMPONENTS[self.index][2]()
|
||||
|
||||
def get_name(self):
|
||||
"""
|
||||
Retrieves the name of the component
|
||||
Returns:
|
||||
A string containing the name of the component
|
||||
"""
|
||||
return self.name
|
||||
|
||||
def get_description(self):
|
||||
"""
|
||||
Retrieves the description of the component
|
||||
Returns:
|
||||
A string containing the description of the component
|
||||
"""
|
||||
return self.description
|
||||
|
||||
def get_firmware_version(self):
|
||||
"""
|
||||
Retrieves the firmware version of the component
|
||||
Returns:
|
||||
A string containing the firmware version of the component
|
||||
"""
|
||||
return self.version
|
||||
|
||||
def install_firmware(self, image_path):
|
||||
"""
|
||||
Installs firmware to the component
|
||||
Args:
|
||||
image_path: A string, path to firmware image
|
||||
Returns:
|
||||
A boolean, True if install was successful, False if not
|
||||
"""
|
||||
return False
|
@ -0,0 +1,141 @@
|
||||
#!/usr/bin/env python
|
||||
|
||||
#############################################################################
|
||||
# DellEmc S5248F
|
||||
#
|
||||
# Platform and model specific eeprom subclass, inherits from the base class,
|
||||
# and provides the followings:
|
||||
# - the eeprom format definition
|
||||
# - specific encoder/decoder if there is special need
|
||||
#############################################################################
|
||||
try:
|
||||
import os.path
|
||||
from sonic_eeprom import eeprom_tlvinfo
|
||||
import binascii
|
||||
except ImportError, e:
|
||||
raise ImportError(str(e) + "- required module not found")
|
||||
|
||||
|
||||
class Eeprom(eeprom_tlvinfo.TlvInfoDecoder):
|
||||
|
||||
def __init__(self):
|
||||
self.eeprom_path = None
|
||||
for b in (0, 1):
|
||||
f = '/sys/class/i2c-adapter/i2c-{0}/{0}-0050/eeprom'.format(b)
|
||||
if os.path.exists(f):
|
||||
self.eeprom_path = f
|
||||
break
|
||||
if self.eeprom_path is None:
|
||||
return
|
||||
super(Eeprom, self).__init__(self.eeprom_path, 0, '', True)
|
||||
self.eeprom_tlv_dict = dict()
|
||||
try:
|
||||
self.eeprom_data = self.read_eeprom()
|
||||
except:
|
||||
self.eeprom_data = "N/A"
|
||||
raise RuntimeError("Eeprom is not Programmed")
|
||||
|
||||
eeprom = self.eeprom_data
|
||||
|
||||
if not self.is_valid_tlvinfo_header(eeprom):
|
||||
return
|
||||
|
||||
total_length = (ord(eeprom[9]) << 8) | ord(eeprom[10])
|
||||
tlv_index = self._TLV_INFO_HDR_LEN
|
||||
tlv_end = self._TLV_INFO_HDR_LEN + total_length
|
||||
|
||||
while (tlv_index + 2) < len(eeprom) and tlv_index < tlv_end:
|
||||
if not self.is_valid_tlv(eeprom[tlv_index:]):
|
||||
break
|
||||
|
||||
tlv = eeprom[tlv_index:tlv_index + 2
|
||||
+ ord(eeprom[tlv_index + 1])]
|
||||
code = "0x%02X" % (ord(tlv[0]))
|
||||
|
||||
if ord(tlv[0]) == self._TLV_CODE_VENDOR_EXT:
|
||||
value = str((ord(tlv[2]) << 24) | (ord(tlv[3]) << 16) |
|
||||
(ord(tlv[4]) << 8) | ord(tlv[5]))
|
||||
value += str(tlv[6:6 + ord(tlv[1])])
|
||||
else:
|
||||
name, value = self.decoder(None, tlv)
|
||||
|
||||
self.eeprom_tlv_dict[code] = value
|
||||
if ord(eeprom[tlv_index]) == self._TLV_CODE_CRC_32:
|
||||
break
|
||||
|
||||
tlv_index += ord(eeprom[tlv_index+1]) + 2
|
||||
|
||||
def serial_number_str(self):
|
||||
"""
|
||||
Returns the serial number
|
||||
"""
|
||||
(is_valid, results) = self.get_tlv_field(
|
||||
self.eeprom_data, self._TLV_CODE_SERIAL_NUMBER)
|
||||
if not is_valid:
|
||||
return "N/A"
|
||||
return results[2]
|
||||
|
||||
def base_mac_addr(self, e):
|
||||
"""
|
||||
Returns the base mac address found in the system EEPROM
|
||||
"""
|
||||
(is_valid, t) = self.get_tlv_field(
|
||||
self.eeprom_data, self._TLV_CODE_MAC_BASE)
|
||||
if not is_valid or t[1] != 6:
|
||||
return super(eeprom_tlvinfo.TlvInfoDecoder, self).switchaddrstr(t)
|
||||
|
||||
return ":".join([binascii.b2a_hex(T) for T in t[2]])
|
||||
|
||||
def modelstr(self):
|
||||
"""
|
||||
Returns the Model name
|
||||
"""
|
||||
(is_valid, results) = self.get_tlv_field(
|
||||
self.eeprom_data, self._TLV_CODE_PRODUCT_NAME)
|
||||
if not is_valid:
|
||||
return "N/A"
|
||||
|
||||
return results[2]
|
||||
|
||||
def part_number_str(self):
|
||||
"""
|
||||
Returns the part number
|
||||
"""
|
||||
(is_valid, results) = self.get_tlv_field(
|
||||
self.eeprom_data, self._TLV_CODE_PART_NUMBER)
|
||||
if not is_valid:
|
||||
return "N/A"
|
||||
|
||||
return results[2]
|
||||
|
||||
def serial_str(self):
|
||||
"""
|
||||
Returns the servicetag number
|
||||
"""
|
||||
(is_valid, results) = self.get_tlv_field(
|
||||
self.eeprom_data, self._TLV_CODE_SERVICE_TAG)
|
||||
if not is_valid:
|
||||
return "N/A"
|
||||
|
||||
return results[2]
|
||||
|
||||
def revision_str(self):
|
||||
"""
|
||||
Returns the device revision
|
||||
"""
|
||||
(is_valid, results) = self.get_tlv_field(
|
||||
self.eeprom_data, self._TLV_CODE_DEVICE_VERSION)
|
||||
if not is_valid:
|
||||
return "N/A"
|
||||
|
||||
return results[2]
|
||||
|
||||
def system_eeprom_info(self):
|
||||
"""
|
||||
Returns a dictionary, where keys are the type code defined in
|
||||
ONIE EEPROM format and values are their corresponding values
|
||||
found in the system EEPROM.
|
||||
"""
|
||||
return self.eeprom_tlv_dict
|
||||
|
||||
|
@ -0,0 +1,182 @@
|
||||
#!/usr/bin/env python
|
||||
|
||||
########################################################################
|
||||
# DellEMC S5232F
|
||||
#
|
||||
# Module contains an implementation of SONiC Platform Base API and
|
||||
# provides the Fans' information which are available in the platform.
|
||||
#
|
||||
########################################################################
|
||||
|
||||
try:
|
||||
from sonic_platform_base.fan_base import FanBase
|
||||
from sonic_platform.ipmihelper import IpmiSensor, IpmiFru
|
||||
except ImportError as e:
|
||||
raise ImportError(str(e) + "- required module not found")
|
||||
|
||||
FAN1_MAX_SPEED_OFFSET = 71
|
||||
FAN2_MAX_SPEED_OFFSET = 73
|
||||
PSU_FAN_MAX_SPEED_OFFSET = 50
|
||||
FAN_DIRECTION_OFFSET = 69
|
||||
PSU_FAN_DIRECTION_OFFSET = 47
|
||||
|
||||
|
||||
class Fan(FanBase):
|
||||
"""DellEMC Platform-specific Fan class"""
|
||||
# { FAN-ID: { Sensor-Name: Sensor-ID } }
|
||||
FAN_SENSOR_MAPPING = { 1: {"Prsnt": 0x51, "State": 0x64, "Speed": 0x24},
|
||||
2: {"Prsnt": 0x51, "State": 0x60, "Speed": 0x20},
|
||||
3: {"Prsnt": 0x52, "State": 0x65, "Speed": 0x25},
|
||||
4: {"Prsnt": 0x52, "State": 0x61, "Speed": 0x21},
|
||||
5: {"Prsnt": 0x53, "State": 0x66, "Speed": 0x26},
|
||||
6: {"Prsnt": 0x53, "State": 0x62, "Speed": 0x22},
|
||||
7: {"Prsnt": 0x54, "State": 0x67, "Speed": 0x27},
|
||||
8: {"Prsnt": 0x54, "State": 0x63, "Speed": 0x23} }
|
||||
PSU_FAN_SENSOR_MAPPING = { 1: {"State": 0x46, "Speed": 0x2e},
|
||||
2: {"State": 0x47, "Speed": 0x2f} }
|
||||
|
||||
# { FANTRAY-ID: FRU-ID }
|
||||
FAN_FRU_MAPPING = { 1: 3, 2: 4, 3: 5, 4: 6 }
|
||||
PSU_FRU_MAPPING = { 1: 1, 2: 2 }
|
||||
|
||||
def __init__(self, fantray_index=1, fan_index=1, psu_fan=False,
|
||||
dependency=None):
|
||||
self.is_psu_fan = psu_fan
|
||||
if not self.is_psu_fan:
|
||||
# API index is starting from 0, DellEMC platform index is
|
||||
# starting from 1
|
||||
self.fantrayindex = fantray_index + 1
|
||||
self.fanindex = fan_index + 1
|
||||
if (self.fanindex == 1):
|
||||
self.max_speed_offset = FAN1_MAX_SPEED_OFFSET
|
||||
else:
|
||||
self.max_speed_offset = FAN2_MAX_SPEED_OFFSET
|
||||
self.fan_direction_offset = FAN_DIRECTION_OFFSET
|
||||
self.index = (self.fantrayindex - 1) * 2 + self.fanindex
|
||||
self.prsnt_sensor = IpmiSensor(self.FAN_SENSOR_MAPPING[self.index]["Prsnt"],
|
||||
is_discrete=True)
|
||||
self.state_sensor = IpmiSensor(self.FAN_SENSOR_MAPPING[self.index]["State"],
|
||||
is_discrete=True)
|
||||
self.speed_sensor = IpmiSensor(self.FAN_SENSOR_MAPPING[self.index]["Speed"])
|
||||
self.fru = IpmiFru(self.FAN_FRU_MAPPING[self.fantrayindex])
|
||||
else:
|
||||
self.dependency = dependency
|
||||
self.fanindex = fan_index
|
||||
self.state_sensor = IpmiSensor(self.PSU_FAN_SENSOR_MAPPING[self.fanindex]["State"],
|
||||
is_discrete=True)
|
||||
self.speed_sensor = IpmiSensor(self.PSU_FAN_SENSOR_MAPPING[self.fanindex]["Speed"])
|
||||
self.fru = IpmiFru(self.PSU_FRU_MAPPING[self.fanindex])
|
||||
self.max_speed_offset = PSU_FAN_MAX_SPEED_OFFSET
|
||||
self.fan_direction_offset = PSU_FAN_DIRECTION_OFFSET
|
||||
self.max_speed = self.fru.get_fru_data(self.max_speed_offset,2)[1]
|
||||
self.max_speed = self.max_speed[1] << 8 | self.max_speed[0]
|
||||
|
||||
def get_name(self):
|
||||
"""
|
||||
Retrieves the name of the device
|
||||
Returns:
|
||||
String: The name of the device
|
||||
"""
|
||||
if self.is_psu_fan:
|
||||
return "PSU{} Fan".format(self.fanindex)
|
||||
else:
|
||||
return "FanTray{}-Fan{}".format(self.fantrayindex, self.fanindex)
|
||||
|
||||
def get_model(self):
|
||||
"""
|
||||
Retrieves the part number of the FAN
|
||||
Returns:
|
||||
String: Part number of FAN
|
||||
"""
|
||||
if self.is_psu_fan:
|
||||
return 'NA'
|
||||
else:
|
||||
return self.fru.get_board_part_number()
|
||||
|
||||
def get_serial(self):
|
||||
"""
|
||||
Retrieves the serial number of the FAN
|
||||
Returns:
|
||||
String: Serial number of FAN
|
||||
"""
|
||||
if self.is_psu_fan:
|
||||
return 'NA'
|
||||
else:
|
||||
return self.fru.get_board_serial()
|
||||
|
||||
def get_presence(self):
|
||||
"""
|
||||
Retrieves the presence of the FAN
|
||||
Returns:
|
||||
bool: True if fan is present, False if not
|
||||
"""
|
||||
presence = False
|
||||
if self.is_psu_fan:
|
||||
return self.dependency.get_presence()
|
||||
else:
|
||||
is_valid, state = self.prsnt_sensor.get_reading()
|
||||
if is_valid:
|
||||
if (state & 0b1):
|
||||
presence = True
|
||||
return presence
|
||||
|
||||
def get_status(self):
|
||||
"""
|
||||
Retrieves the operational status of the FAN
|
||||
Returns:
|
||||
bool: True if FAN is operating properly, False if not
|
||||
"""
|
||||
status = False
|
||||
is_valid, state = self.state_sensor.get_reading()
|
||||
if is_valid:
|
||||
if (state == 0x00):
|
||||
status = True
|
||||
return status
|
||||
|
||||
def get_direction(self):
|
||||
"""
|
||||
Retrieves the fan airfow direction
|
||||
Returns:
|
||||
A string, either FAN_DIRECTION_INTAKE or FAN_DIRECTION_EXHAUST
|
||||
depending on fan direction
|
||||
|
||||
Notes:
|
||||
In DellEMC platforms,
|
||||
- Forward/Exhaust : Air flows from Port side to Fan side.
|
||||
- Reverse/Intake : Air flows from Fan side to Port side.
|
||||
"""
|
||||
direction = [self.FAN_DIRECTION_EXHAUST, self.FAN_DIRECTION_INTAKE]
|
||||
fan_status = self.get_status()
|
||||
if not fan_status:
|
||||
return 'NA'
|
||||
is_valid, fan_direction = self.fru.get_fru_data(self.fan_direction_offset)
|
||||
if is_valid:
|
||||
return direction[fan_direction[0]]
|
||||
else:
|
||||
return 'NA'
|
||||
|
||||
def get_speed(self):
|
||||
"""
|
||||
Retrieves the speed of the fan
|
||||
Returns:
|
||||
int: percentage of the max fan speed
|
||||
"""
|
||||
if self.max_speed == 0:
|
||||
self.max_speed = self.fru.get_fru_data(self.max_speed_offset,2)[1]
|
||||
self.max_speed = self.max_speed[1] << 8 | self.max_speed[0]
|
||||
is_valid, fan_speed = self.speed_sensor.get_reading()
|
||||
if not is_valid or self.max_speed == 0:
|
||||
speed = 0
|
||||
else:
|
||||
speed = (100 * fan_speed)/self.max_speed
|
||||
return speed
|
||||
|
||||
def get_speed_rpm(self):
|
||||
"""
|
||||
Retrieves the speed of the fan
|
||||
Returns:
|
||||
int: percentage of the max fan speed
|
||||
"""
|
||||
fan_speed = 0
|
||||
is_valid, fan_speed = self.speed_sensor.get_reading()
|
||||
return fan_speed
|
@ -0,0 +1 @@
|
||||
../../common/sonic_platform/hwaccess.py
|
@ -0,0 +1,24 @@
|
||||
#!/usr/bin/env python
|
||||
|
||||
#############################################################################
|
||||
#
|
||||
# Module contains an implementation of SONiC Platform Base API and
|
||||
# provides the platform information
|
||||
#
|
||||
#############################################################################
|
||||
|
||||
try:
|
||||
from sonic_platform_base.platform_base import PlatformBase
|
||||
from sonic_platform.chassis import Chassis
|
||||
except ImportError as e:
|
||||
raise ImportError(str(e) + "- required module not found")
|
||||
|
||||
|
||||
class Platform(PlatformBase):
|
||||
"""
|
||||
DELLEMC Platform-specific class
|
||||
"""
|
||||
|
||||
def __init__(self):
|
||||
PlatformBase.__init__(self)
|
||||
self._chassis = Chassis()
|
@ -0,0 +1,179 @@
|
||||
#!/usr/bin/env python
|
||||
|
||||
########################################################################
|
||||
# DellEMC S5232F
|
||||
#
|
||||
# Module contains an implementation of SONiC Platform Base API and
|
||||
# provides the PSUs' information which are available in the platform
|
||||
#
|
||||
########################################################################
|
||||
|
||||
|
||||
try:
|
||||
from sonic_platform_base.psu_base import PsuBase
|
||||
from sonic_platform.ipmihelper import IpmiSensor, IpmiFru
|
||||
from sonic_platform.fan import Fan
|
||||
except ImportError as e:
|
||||
raise ImportError(str(e) + "- required module not found")
|
||||
|
||||
|
||||
class Psu(PsuBase):
|
||||
"""DellEMC Platform-specific PSU class"""
|
||||
|
||||
# { PSU-ID: { Sensor-Name: Sensor-ID } }
|
||||
SENSOR_MAPPING = { 1: { "State": 0x31, "Current": 0x39,
|
||||
"Power": 0x37, "Voltage": 0x38 },
|
||||
2: { "State": 0x32, "Current": 0x3F,
|
||||
"Power": 0x3D, "Voltage": 0x3E } }
|
||||
# ( PSU-ID: FRU-ID }
|
||||
FRU_MAPPING = { 1: 1, 2: 2 }
|
||||
|
||||
def __init__(self, psu_index):
|
||||
PsuBase.__init__(self)
|
||||
# PSU is 1-based in DellEMC platforms
|
||||
self.index = psu_index + 1
|
||||
self.state_sensor = IpmiSensor(self.SENSOR_MAPPING[self.index]["State"],
|
||||
is_discrete=True)
|
||||
self.voltage_sensor = IpmiSensor(self.SENSOR_MAPPING[self.index]["Voltage"])
|
||||
self.current_sensor = IpmiSensor(self.SENSOR_MAPPING[self.index]["Current"])
|
||||
self.power_sensor = IpmiSensor(self.SENSOR_MAPPING[self.index]["Power"])
|
||||
self.fru = IpmiFru(self.FRU_MAPPING[self.index])
|
||||
|
||||
self._fan_list.append(Fan(fan_index=self.index, psu_fan=True,
|
||||
dependency=self))
|
||||
|
||||
def get_name(self):
|
||||
"""
|
||||
Retrieves the name of the device
|
||||
|
||||
Returns:
|
||||
string: The name of the device
|
||||
"""
|
||||
return "PSU{}".format(self.index)
|
||||
|
||||
def get_presence(self):
|
||||
"""
|
||||
Retrieves the presence of the Power Supply Unit (PSU)
|
||||
|
||||
Returns:
|
||||
bool: True if PSU is present, False if not
|
||||
"""
|
||||
presence = False
|
||||
is_valid, state = self.state_sensor.get_reading()
|
||||
if is_valid:
|
||||
if (state & 0b1):
|
||||
presence = True
|
||||
|
||||
return presence
|
||||
|
||||
def get_model(self):
|
||||
"""
|
||||
Retrieves the part number of the PSU
|
||||
|
||||
Returns:
|
||||
string: Part number of PSU
|
||||
"""
|
||||
return self.fru.get_board_part_number()
|
||||
|
||||
def get_serial(self):
|
||||
"""
|
||||
Retrieves the serial number of the PSU
|
||||
|
||||
Returns:
|
||||
string: Serial number of PSU
|
||||
"""
|
||||
return self.fru.get_board_serial()
|
||||
|
||||
def get_status(self):
|
||||
"""
|
||||
Retrieves the operational status of the PSU
|
||||
|
||||
Returns:
|
||||
bool: True if PSU is operating properly, False if not
|
||||
"""
|
||||
status = False
|
||||
is_valid, state = self.state_sensor.get_reading()
|
||||
if is_valid:
|
||||
if (state == 0x01):
|
||||
status = True
|
||||
|
||||
return status
|
||||
|
||||
def get_voltage(self):
|
||||
"""
|
||||
Retrieves current PSU voltage output
|
||||
|
||||
Returns:
|
||||
A float number, the output voltage in volts,
|
||||
e.g. 12.1
|
||||
"""
|
||||
is_valid, voltage = self.voltage_sensor.get_reading()
|
||||
if not is_valid:
|
||||
voltage = 0
|
||||
|
||||
return "{:.1f}".format(voltage)
|
||||
|
||||
def get_current(self):
|
||||
"""
|
||||
Retrieves present electric current supplied by PSU
|
||||
|
||||
Returns:
|
||||
A float number, electric current in amperes,
|
||||
e.g. 15.4
|
||||
"""
|
||||
is_valid, current = self.current_sensor.get_reading()
|
||||
if not is_valid:
|
||||
current = 0
|
||||
|
||||
return "{:.1f}".format(current)
|
||||
|
||||
def get_power(self):
|
||||
"""
|
||||
Retrieves current energy supplied by PSU
|
||||
|
||||
Returns:
|
||||
A float number, the power in watts,
|
||||
e.g. 302.6
|
||||
"""
|
||||
is_valid, power = self.power_sensor.get_reading()
|
||||
if not is_valid:
|
||||
power = 0
|
||||
|
||||
return "{:.1f}".format(power)
|
||||
|
||||
def get_powergood_status(self):
|
||||
"""
|
||||
Retrieves the powergood status of PSU
|
||||
|
||||
Returns:
|
||||
A boolean, True if PSU has stablized its output voltages and
|
||||
passed all its internal self-tests, False if not.
|
||||
"""
|
||||
status = False
|
||||
is_valid, state = self.state_sensor.get_reading()
|
||||
if is_valid:
|
||||
if (state == 0x01):
|
||||
status = True
|
||||
|
||||
return status
|
||||
|
||||
def get_mfr_id(self):
|
||||
"""
|
||||
Retrives the Manufacturer Id of PSU
|
||||
|
||||
Returns:
|
||||
A string, the manunfacturer id.
|
||||
"""
|
||||
return self.fru.get_board_mfr_id()
|
||||
|
||||
def get_type(self):
|
||||
"""
|
||||
Retrives the Power Type of PSU
|
||||
|
||||
Returns :
|
||||
A string, PSU power type
|
||||
"""
|
||||
info = self.fru.get_board_product().split(',')
|
||||
if 'AC' in info : return 'AC'
|
||||
if 'DC' in info : return 'DC'
|
||||
return 'Unknown'
|
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,155 @@
|
||||
#!/usr/bin/env python
|
||||
|
||||
########################################################################
|
||||
# DellEMC S5232F
|
||||
#
|
||||
# Module contains an implementation of SONiC Platform Base API and
|
||||
# provides the Thermals' information which are available in the platform
|
||||
#
|
||||
########################################################################
|
||||
|
||||
|
||||
try:
|
||||
from sonic_platform_base.thermal_base import ThermalBase
|
||||
from sonic_platform.ipmihelper import IpmiSensor
|
||||
except ImportError as e:
|
||||
raise ImportError(str(e) + "- required module not found")
|
||||
|
||||
|
||||
class Thermal(ThermalBase):
|
||||
"""DellEMC Platform-specific Thermal class"""
|
||||
|
||||
# [ Sensor-Name, Sensor-ID ]
|
||||
SENSOR_MAPPING = [
|
||||
['CPU On-board', 0xe],
|
||||
['ASIC On-board', 0x2],
|
||||
['System Front Left', 0x3],
|
||||
['System Front Middle', 0x1],
|
||||
['System Front Right', 0x4],
|
||||
['Inlet Airflow Sensor', 0x5],
|
||||
['PSU1 Airflow Sensor', 0x7],
|
||||
['PSU2 Airflow Sensor', 0x8]
|
||||
]
|
||||
|
||||
def __init__(self, thermal_index=0):
|
||||
ThermalBase.__init__(self)
|
||||
self.index = thermal_index + 1
|
||||
self.sensor = IpmiSensor(self.SENSOR_MAPPING[self.index - 1][1])
|
||||
|
||||
def get_name(self):
|
||||
"""
|
||||
Retrieves the name of the thermal
|
||||
|
||||
Returns:
|
||||
string: The name of the thermal
|
||||
"""
|
||||
return self.SENSOR_MAPPING[self.index - 1][0]
|
||||
|
||||
def get_presence(self):
|
||||
"""
|
||||
Retrieves the presence of the thermal
|
||||
|
||||
Returns:
|
||||
bool: True if thermal is present, False if not
|
||||
"""
|
||||
return True
|
||||
|
||||
def get_model(self):
|
||||
"""
|
||||
Retrieves the model number (or part number) of the Thermal
|
||||
|
||||
Returns:
|
||||
string: Model/part number of Thermal
|
||||
"""
|
||||
return 'NA'
|
||||
|
||||
def get_serial(self):
|
||||
"""
|
||||
Retrieves the serial number of the Thermal
|
||||
|
||||
Returns:
|
||||
string: Serial number of Thermal
|
||||
"""
|
||||
return 'NA'
|
||||
|
||||
def get_status(self):
|
||||
"""
|
||||
Retrieves the operational status of the thermal
|
||||
|
||||
Returns:
|
||||
A boolean value, True if thermal is operating properly,
|
||||
False if not
|
||||
"""
|
||||
return True
|
||||
|
||||
def get_temperature(self):
|
||||
"""
|
||||
Retrieves current temperature reading from thermal
|
||||
|
||||
Returns:
|
||||
A float number of current temperature in Celsius up to
|
||||
nearest thousandth of one degree Celsius, e.g. 30.125
|
||||
"""
|
||||
is_valid, temperature = self.sensor.get_reading()
|
||||
if not is_valid:
|
||||
temperature = 0
|
||||
|
||||
return "{:.3f}".format(temperature)
|
||||
|
||||
def get_high_threshold(self):
|
||||
"""
|
||||
Retrieves the high threshold temperature of thermal
|
||||
|
||||
Returns:
|
||||
A float number, the high threshold temperature of thermal in
|
||||
Celsius up to nearest thousandth of one degree Celsius,
|
||||
e.g. 30.125
|
||||
"""
|
||||
is_valid, high_threshold = self.sensor.get_threshold("UpperNonRecoverable")
|
||||
if not is_valid:
|
||||
high_threshold = 0
|
||||
|
||||
return "{:.3f}".format(high_threshold)
|
||||
|
||||
def get_low_threshold(self):
|
||||
"""
|
||||
Retrieves the low threshold temperature of thermal
|
||||
|
||||
Returns:
|
||||
A float number, the low threshold temperature of thermal in
|
||||
Celsius up to nearest thousandth of one degree Celsius,
|
||||
e.g. 30.125
|
||||
"""
|
||||
is_valid, low_threshold = self.sensor.get_threshold("LowerNonRecoverable")
|
||||
if not is_valid:
|
||||
low_threshold = 0
|
||||
|
||||
return "{:.3f}".format(low_threshold)
|
||||
|
||||
def set_high_threshold(self, temperature):
|
||||
"""
|
||||
Sets the high threshold temperature of thermal
|
||||
|
||||
Args :
|
||||
temperature: A float number up to nearest thousandth of one
|
||||
degree Celsius, e.g. 30.125
|
||||
Returns:
|
||||
A boolean, True if threshold is set successfully, False if
|
||||
not
|
||||
"""
|
||||
# Thermal threshold values are pre-defined based on HW.
|
||||
return False
|
||||
|
||||
def set_low_threshold(self, temperature):
|
||||
"""
|
||||
Sets the low threshold temperature of thermal
|
||||
|
||||
Args :
|
||||
temperature: A float number up to nearest thousandth of one
|
||||
degree Celsius, e.g. 30.125
|
||||
Returns:
|
||||
A boolean, True if threshold is set successfully, False if
|
||||
not
|
||||
"""
|
||||
# Thermal threshold values are pre-defined based on HW.
|
||||
return False
|
@ -0,0 +1,210 @@
|
||||
#!/usr/bin/env python
|
||||
|
||||
########################################################################
|
||||
#
|
||||
# DELLEMC S5232f
|
||||
#
|
||||
# Abstract base class for implementing a platform-specific class with
|
||||
# which to interact with a hardware watchdog module in SONiC
|
||||
#
|
||||
########################################################################
|
||||
|
||||
try:
|
||||
import ctypes
|
||||
import subprocess
|
||||
from sonic_platform_base.watchdog_base import WatchdogBase
|
||||
except ImportError as e:
|
||||
raise ImportError(str(e) + "- required module not found")
|
||||
|
||||
|
||||
class _timespec(ctypes.Structure):
|
||||
_fields_ = [
|
||||
('tv_sec', ctypes.c_long),
|
||||
('tv_nsec', ctypes.c_long)
|
||||
]
|
||||
|
||||
|
||||
class Watchdog(WatchdogBase):
|
||||
"""
|
||||
Abstract base class for interfacing with a hardware watchdog module
|
||||
"""
|
||||
|
||||
TIMERS = [15,20,30,40,50,60,65,70]
|
||||
|
||||
armed_time = 0
|
||||
timeout = 0
|
||||
CLOCK_MONOTONIC = 1
|
||||
|
||||
def __init__(self):
|
||||
self._librt = ctypes.CDLL('librt.so.1', use_errno=True)
|
||||
self._clock_gettime = self._librt.clock_gettime
|
||||
self._clock_gettime.argtypes=[ctypes.c_int, ctypes.POINTER(_timespec)]
|
||||
|
||||
def _get_command_result(self, cmdline):
|
||||
try:
|
||||
proc = subprocess.Popen(cmdline.split(), stdout=subprocess.PIPE,
|
||||
stderr=subprocess.STDOUT)
|
||||
stdout = proc.communicate()[0]
|
||||
proc.wait()
|
||||
result = stdout.rstrip('\n')
|
||||
except OSError:
|
||||
result = None
|
||||
|
||||
return result
|
||||
|
||||
def _get_reg_val(self):
|
||||
# 0x31 = CPLD I2C Base Address
|
||||
# 0x07 = Watchdog Function Register
|
||||
value = self._get_command_result("/usr/sbin/i2cget -y 601 0x31 0x07")
|
||||
if not value:
|
||||
return None
|
||||
else:
|
||||
return int(value, 16)
|
||||
|
||||
def _set_reg_val(self,val):
|
||||
# 0x31 = CPLD I2C Base Address
|
||||
# 0x07 = Watchdog Function Register
|
||||
value = self._get_command_result("/usr/sbin/i2cset -y 601 0x31 0x07 %s"
|
||||
% (val))
|
||||
return value
|
||||
|
||||
def _get_time(self):
|
||||
"""
|
||||
To get clock monotonic time
|
||||
"""
|
||||
ts = _timespec()
|
||||
if self._clock_gettime(self.CLOCK_MONOTONIC, ctypes.pointer(ts)) != 0:
|
||||
self._errno = ctypes.get_errno()
|
||||
return 0
|
||||
return ts.tv_sec + ts.tv_nsec * 1e-9
|
||||
|
||||
def arm(self, seconds):
|
||||
"""
|
||||
Arm the hardware watchdog with a timeout of <seconds> seconds.
|
||||
If the watchdog is currently armed, calling this function will
|
||||
simply reset the timer to the provided value. If the underlying
|
||||
hardware does not support the value provided in <seconds>, this
|
||||
method should arm the watchdog with the *next greater*
|
||||
available value.
|
||||
|
||||
Returns:
|
||||
An integer specifying the *actual* number of seconds the
|
||||
watchdog was armed with. On failure returns -1.
|
||||
"""
|
||||
timer_offset = -1
|
||||
for key,timer_seconds in enumerate(self.TIMERS):
|
||||
if seconds <= timer_seconds:
|
||||
timer_offset = key
|
||||
seconds = timer_seconds
|
||||
break
|
||||
|
||||
if timer_offset == -1:
|
||||
return -1
|
||||
|
||||
# Extracting 5th to 7th bits for WD timer values
|
||||
# 000 - 15 sec
|
||||
# 001 - 20 sec
|
||||
# 010 - 30 sec
|
||||
# 011 - 40 sec
|
||||
# 100 - 50 sec
|
||||
# 101 - 60 sec
|
||||
# 110 - 65 sec
|
||||
# 111 - 70 sec
|
||||
reg_val = self._get_reg_val()
|
||||
wd_timer_offset = (reg_val >> 4) & 0x7
|
||||
|
||||
if wd_timer_offset != timer_offset:
|
||||
# Setting 5th to 7th bits
|
||||
# value from timer_offset
|
||||
self.disarm()
|
||||
self._set_reg_val(reg_val | (timer_offset << 4))
|
||||
|
||||
if self.is_armed():
|
||||
# Setting last bit to WD Timer punch
|
||||
# Last bit = WD Timer punch
|
||||
self._set_reg_val(reg_val & 0xFE)
|
||||
|
||||
self.armed_time = self._get_time()
|
||||
self.timeout = seconds
|
||||
return seconds
|
||||
else:
|
||||
# Setting 4th bit to enable WD
|
||||
# 4th bit = Enable WD
|
||||
reg_val = self._get_reg_val()
|
||||
self._set_reg_val(reg_val | 0x8)
|
||||
|
||||
self.armed_time = self._get_time()
|
||||
self.timeout = seconds
|
||||
return seconds
|
||||
|
||||
def disarm(self):
|
||||
"""
|
||||
Disarm the hardware watchdog
|
||||
|
||||
Returns:
|
||||
A boolean, True if watchdog is disarmed successfully, False
|
||||
if not
|
||||
"""
|
||||
if self.is_armed():
|
||||
# Setting 4th bit to disable WD
|
||||
# 4th bit = Disable WD
|
||||
reg_val = self._get_reg_val()
|
||||
self._set_reg_val(reg_val & 0xF7)
|
||||
|
||||
self.armed_time = 0
|
||||
self.timeout = 0
|
||||
return True
|
||||
|
||||
return False
|
||||
|
||||
def is_armed(self):
|
||||
"""
|
||||
Retrieves the armed state of the hardware watchdog.
|
||||
|
||||
Returns:
|
||||
A boolean, True if watchdog is armed, False if not
|
||||
"""
|
||||
|
||||
# Extracting 4th bit to get WD Enable/Disable status
|
||||
# 0 - Disabled WD
|
||||
# 1 - Enabled WD
|
||||
reg_val = self._get_reg_val()
|
||||
wd_offset = (reg_val >> 3) & 1
|
||||
|
||||
return bool(wd_offset)
|
||||
|
||||
def get_remaining_time(self):
|
||||
"""
|
||||
If the watchdog is armed, retrieve the number of seconds
|
||||
remaining on the watchdog timer
|
||||
|
||||
Returns:
|
||||
An integer specifying the number of seconds remaining on
|
||||
their watchdog timer. If the watchdog is not armed, returns
|
||||
-1.
|
||||
|
||||
S5232 doesnot have hardware support to show remaining time.
|
||||
Due to this limitation, this API is implemented in software.
|
||||
This API would return correct software time difference if it
|
||||
is called from the process which armed the watchdog timer.
|
||||
If this API called from any other process, it would return
|
||||
0. If the watchdog is not armed, this API would return -1.
|
||||
"""
|
||||
if not self.is_armed():
|
||||
return -1
|
||||
|
||||
if self.armed_time > 0 and self.timeout != 0:
|
||||
cur_time = self._get_time()
|
||||
|
||||
if cur_time <= 0:
|
||||
return 0
|
||||
|
||||
diff_time = int(cur_time - self.armed_time)
|
||||
|
||||
if diff_time > self.timeout:
|
||||
return self.timeout
|
||||
else:
|
||||
return self.timeout - diff_time
|
||||
|
||||
return 0
|
||||
|
Loading…
Reference in New Issue
Block a user