mirror of
https://github.com/projectacrn/acrn-hypervisor.git
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8adefe26ac
These tools run on the target board and genearate board information. usage: python3 board_parser.py <board_name> [--out board_info_file] sample: $ sudo python3 board_parser.py apl-up2 v1-v2: 1. allow board parameter for new board v2-v3: 1. add the usage descriptions for tools 2. add description of kernel cmd line for README 3. output informations to a xml type 4. coding as PEP8 guildline Tracked-On: #3480 Signed-off-by: Wei Liu <weix.w.liu@intel.com> Reviewed-by: Shuang Zheng shuang.zheng@intel.com Acked-by: Terry Zou <terry.zou@intel.com> Acked-by: Victor Sun <victor.sun@intel.com>
530 lines
20 KiB
Python
530 lines
20 KiB
Python
# Copyright (C) 2019 Intel Corporation. All rights reserved.
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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import os
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import sys
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import subprocess
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from collections import defaultdict
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import dmar
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import parser_lib
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SYS_PATH = ['/proc/cpuinfo', '/sys/firmware/acpi/tables/', '/sys/devices/system/cpu/']
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ACPI_OP = {
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'AML_ZERO_OP':0x00,
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'AML_ONE_OP':0x01,
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'AML_ALIAS_OP':0x06,
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'AML_NAME_OP':0x08,
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'AML_BYTE_OP':0x0a,
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'AML_WORD_OP':0x0b,
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'AML_DWORD_OP':0x0c,
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'AML_PACKAGE_OP':0x12,
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'AML_VARIABLE_PACKAGE_OP':0x13,
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}
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SPACE_ID = {
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0:'SPACE_SYSTEM_MEMORY',
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1:'SPACE_SYSTEM_IO',
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2:'SPACE_PCI_CONFIG',
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3:'SPACE_Embedded_Control',
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4:'SPACE_SMBUS',
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10:'SPACE_PLATFORM_COMM',
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0x7F:'SPACE_FFixedHW',
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}
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FACP_OFF = {
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'facs_addr':36,
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'reset_addr':116,
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'reset_value':128,
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'pm1a_evt':148,
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'pm1b_evt':160,
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'pm1a_cnt':172,
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'pm1b_cnt':184,
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}
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class SxPkg:
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"""This is Sx state structure for power"""
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def __init__(self):
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# This is Sx state structure for power
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self.val_pm1a = ''
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self.val_pm1b = ''
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self.reserved = ''
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def style_check_1(self):
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"""Style check if have public method"""
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self.val_pm1a = ''
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def style_check_2(self):
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"""Style check if have public method"""
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self.val_pm1a = ''
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class GasType:
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"""This is generic address structure for power"""
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def __init__(self):
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self.space_id_8b = 0
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self.bit_width_8b = 0
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self.bit_offset_8b = 0
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self.access_size_8b = 0
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self.address_64b = 0
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def style_check_1(self):
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"""Style check if have public method"""
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self.space_id_8b = ''
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def style_check_2(self):
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"""Style check if have public method"""
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self.space_id_8b = ''
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class PxPkg:
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"""This is Px state structure for power"""
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def __init__(self):
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self.core_freq = 0
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self.power = 0
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self.trans_latency = 0
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self.bus_latency = 0
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self.control = 0
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self.status = 0
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def style_check_1(self):
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"""Style check if have public method"""
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self.power = ''
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def style_check_2(self):
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"""Style check if have public method"""
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self.power = ''
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class ResetReg:
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"""This is Reset Registers meta data"""
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def __init__(self):
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self.reset_reg_addr = 0
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self.reset_reg_space_id = 0
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self.reset_reg_val = 0
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def style_check_1(self):
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"""Style check if have public method"""
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self.reset_reg_val = ''
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def style_check_2(self):
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"""Style check if have public method"""
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self.reset_reg_val = ''
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DWORD_LEN = 4
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PACK_TYPE_LEN = 12
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WAKE_VECTOR_OFFSET_32 = 12
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WAKE_VECTOR_OFFSET_64 = 24
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S3_PKG = SxPkg()
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S5_PKG = SxPkg()
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PackedGas = GasType
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PackedCx = GasType
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def store_cpu_info(sysnode, config):
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"""This will get CPU information from /proc/cpuifo"""
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with open(sysnode, 'r') as f_node:
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line = f_node.readline()
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while line:
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if len(line.split(':')) >= 2:
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if line.split(':')[0].strip() == "model name":
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model_name = line.split(':')[1].strip()
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print('\t\t"{0}"'.format(model_name), file=config)
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break
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line = f_node.readline()
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def write_reset_reg(space_id, rst_reg_addr, rst_reg_space_id, rst_reg_val, config):
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"""Write reset register info"""
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print("\t{0}".format("<RESET_REGISTER_INFO>"), file=config)
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print("\t#define RESET_REGISTER_ADDRESS 0x{:0>2X}UL".format(
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rst_reg_addr), file=config)
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print("\t#define RESET_REGISTER_SPACE_ID {0}".format(
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space_id[rst_reg_space_id]), file=config)
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print("\t#define RESET_REGISTER_VALUE {0}U".format(
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rst_reg_val), file=config)
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print("\t{0}\n".format("</RESET_REGISTER_INFO>"), file=config)
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def get_vector_reset(sysnode, config):
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"""This will get reset reg value"""
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reset_reg = ResetReg()
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for key, offset in FACP_OFF.items():
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with open(sysnode, 'rb') as f_node:
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f_node.seek(offset, 0)
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if key == 'facs_addr':
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packed_data = f_node.read(DWORD_LEN)
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packed_data_32 = int.from_bytes(packed_data, 'little')+WAKE_VECTOR_OFFSET_32
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packed_data_64 = int.from_bytes(packed_data, 'little')+WAKE_VECTOR_OFFSET_64
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print("\t{0}".format("<WAKE_VECTOR_INFO>"), file=config)
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print("\t#define WAKE_VECTOR_32 0x{:0>2X}UL".format(
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packed_data_32), file=config)
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print("\t#define WAKE_VECTOR_64 0x{:0>2X}UL".format(
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packed_data_64), file=config)
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print("\t{0}\n".format("</WAKE_VECTOR_INFO>"), file=config)
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elif key == 'reset_addr':
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packed_data = f_node.read(PACK_TYPE_LEN)
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reset_reg.reset_reg_space_id = packed_data[0]
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reset_reg.reset_reg_addr = int.from_bytes(packed_data[4:11], 'little')
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elif key == 'reset_value':
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packed_data = f_node.read(1)
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reset_reg.reset_reg_val = hex(packed_data[0])
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write_reset_reg(SPACE_ID, reset_reg.reset_reg_addr, reset_reg.reset_reg_space_id,
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reset_reg.reset_reg_val, config)
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def read_pm_sstate(sysnode, config):
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"""This will read Px state of power"""
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get_vector_reset(sysnode, config)
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print("\t{0}".format("<PM_INFO>"), file=config)
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for key, offset in FACP_OFF.items():
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with open(sysnode, 'rb') as f_node:
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f_node.seek(offset, 0)
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packed_data = f_node.read(PACK_TYPE_LEN)
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PackedGas.space_id_8b = packed_data[0]
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PackedGas.bit_width_8b = packed_data[1]
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PackedGas.bit_offset_8b = packed_data[2]
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PackedGas.access_size_8b = packed_data[3]
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PackedGas.address_64b = int.from_bytes(packed_data[4:11], 'little')
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if key == 'pm1a_evt':
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print("\t#define PM1A_EVT_SPACE_ID {0}".format(
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SPACE_ID[PackedGas.space_id_8b]), file=config)
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print("\t#define PM1A_EVT_BIT_WIDTH {0}U".format(
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hex(PackedGas.bit_width_8b)), file=config)
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print("\t#define PM1A_EVT_BIT_OFFSET {0}U".format(
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hex(PackedGas.bit_offset_8b)), file=config)
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print("\t#define PM1A_EVT_ADDRESS {0}UL".format(
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hex(PackedGas.address_64b)), file=config)
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print("\t#define PM1A_EVT_ACCESS_SIZE {0}U".format(
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hex(PackedGas.access_size_8b)), file=config)
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elif key == 'pm1a_cnt':
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print("\t#define PM1A_CNT_SPACE_ID {0}".format(
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SPACE_ID[PackedGas.space_id_8b]), file=config)
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print("\t#define PM1A_CNT_BIT_WIDTH {0}U".format(
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hex(PackedGas.bit_width_8b)), file=config)
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print("\t#define PM1A_CNT_BIT_OFFSET {0}U".format(
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hex(PackedGas.bit_offset_8b)), file=config)
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print("\t#define PM1A_CNT_ADDRESS {0}UL".format(
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hex(PackedGas.address_64b)), file=config)
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print("\t#define PM1A_CNT_ACCESS_SIZE {0}U".format(
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hex(PackedGas.access_size_8b)), file=config)
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elif key == 'pm1b_evt':
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print("\t#define PM1B_EVT_SPACE_ID {0}".format(
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SPACE_ID[PackedGas.space_id_8b]), file=config)
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print("\t#define PM1B_EVT_BIT_WIDTH {0}U".format(
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hex(PackedGas.bit_width_8b)), file=config)
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print("\t#define PM1B_EVT_BIT_OFFSET {0}U".format(
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hex(PackedGas.bit_offset_8b)), file=config)
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print("\t#define PM1B_EVT_ADDRESS {0}UL".format(
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hex(PackedGas.address_64b)), file=config)
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print("\t#define PM1B_EVT_ACCESS_SIZE {0}U".format(
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hex(PackedGas.access_size_8b)), file=config)
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elif key == 'pm1b_cnt':
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print("\t#define PM1B_CNT_SPACE_ID {0}".format(
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SPACE_ID[PackedGas.space_id_8b]), file=config)
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print("\t#define PM1B_CNT_BIT_WIDTH {0}U".format(
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hex(PackedGas.bit_width_8b)), file=config)
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print("\t#define PM1B_CNT_BIT_OFFSET {0}U".format(
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hex(PackedGas.bit_offset_8b)), file=config)
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print("\t#define PM1B_CNT_ADDRESS {0}UL".format(
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hex(PackedGas.address_64b)), file=config)
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print("\t#define PM1B_CNT_ACCESS_SIZE {0}U".format(
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hex(PackedGas.access_size_8b)), file=config)
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print("\t{0}\n".format("</PM_INFO>"), file=config)
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def if_sx_name(sx_name, f_node):
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"""If sx name in this field"""
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need_break = need_continue = 0
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name_buf = f_node.read(4)
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if not name_buf:
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need_break = True
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return (need_break, need_continue)
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try:
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if name_buf.decode('ascii').find(sx_name) != -1:
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pass
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else:
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need_continue = True
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except ValueError:
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need_continue = True
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return (need_break, need_continue)
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else:
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pass
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return (need_break, need_continue)
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def read_sx_locate(sx_name, f_node):
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"""Read the location of sx"""
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need_continue = need_break = pkg_len = 0
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(need_break, need_continue) = if_sx_name(sx_name, f_node)
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tmp_char = f_node.read(1)
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if not tmp_char:
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need_break = True
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return (need_break, need_continue, pkg_len)
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if hex(int.from_bytes(tmp_char, 'little')) != hex(ACPI_OP['AML_PACKAGE_OP']):
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need_continue = True
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return (need_break, need_continue, pkg_len)
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pkg_len = f_node.read(1)
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if not pkg_len:
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need_break = True
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return (need_break, need_continue, pkg_len)
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if int.from_bytes(pkg_len, 'little') < 5 or int.from_bytes(pkg_len, 'little') > 28:
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need_continue = True
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return (need_break, need_continue, pkg_len)
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return (need_break, need_continue, pkg_len)
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def decode_sx_pkg(pkg_len, f_node):
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"""Parser and decode the sx pkg"""
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pkg_val_pm1a = pkg_val_pm1b = pkg_val_resv = need_break = 0
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pkg_buf = f_node.read(int.from_bytes(pkg_len, 'little'))
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if hex(pkg_buf[1]) == ACPI_OP['AML_ZERO_OP'] or \
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hex(pkg_buf[1]) == hex(ACPI_OP['AML_ONE_OP']):
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pkg_val_pm1a = pkg_buf[1]
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if hex(pkg_buf[2]) == hex(ACPI_OP['AML_ZERO_OP']) or \
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hex(pkg_buf[2]) == hex(ACPI_OP['AML_ONE_OP']):
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pkg_val_pm1b = pkg_buf[2]
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pkg_val_resv = pkg_buf[3:5]
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elif hex(pkg_buf[2]) == hex(ACPI_OP['AML_BYTE_OP']):
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pkg_val_pm1b = pkg_buf[3]
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pkg_val_resv = pkg_buf[4:6]
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else:
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need_break = True
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return (pkg_val_pm1a, pkg_val_pm1b, pkg_val_resv, need_break)
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elif hex(pkg_buf[1]) == hex(ACPI_OP['AML_BYTE_OP']):
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pkg_val_pm1a = pkg_buf[2]
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if hex(pkg_buf[3]) == hex(ACPI_OP['AML_ZERO_OP']) or \
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hex(pkg_buf[3]) == hex(ACPI_OP['AML_ONE_OP']):
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pkg_val_pm1b = pkg_buf[3]
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pkg_val_resv = pkg_buf[4:6]
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elif hex(pkg_buf[3]) == hex(ACPI_OP['AML_BYTE_OP']):
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pkg_val_pm1b = pkg_buf[4]
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pkg_val_resv = pkg_buf[5:7]
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else:
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need_break = True
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return (pkg_val_pm1a, pkg_val_pm1b, pkg_val_resv, need_break)
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else:
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need_break = True
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return (pkg_val_pm1a, pkg_val_pm1b, pkg_val_resv, need_break)
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def read_pm_sdata(sysnode, sx_name, config):
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"""This will read pm Sx state of power"""
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with open(sysnode, 'rb') as f_node:
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while True:
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inc = f_node.read(1)
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if inc:
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if hex(int.from_bytes(inc, 'little')) != hex(ACPI_OP['AML_NAME_OP']):
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continue
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(need_break, need_continue, pkg_len) = read_sx_locate(sx_name, f_node)
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if need_break:
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break
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if need_continue:
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continue
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# decode sx pkg
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(pkg_val_pm1a, pkg_val_pm1b, pkg_val_resv, need_break) =\
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decode_sx_pkg(pkg_len, f_node)
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if need_break:
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break
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else:
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break
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if sx_name == '_S3_':
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S3_PKG.val_pm1a = pkg_val_pm1a
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S3_PKG.val_pm1b = pkg_val_pm1b
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S3_PKG.reserved = pkg_val_resv
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print("\t#define S3_PKG_VAL_PM1A {0}".format(
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hex(S3_PKG.val_pm1a))+'U', file=config)
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print("\t#define S3_PKG_VAL_PM1B {0}".format(
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S3_PKG.val_pm1b)+'U', file=config)
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print("\t#define S3_PKG_RESERVED {0}".format(
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hex(int.from_bytes(S3_PKG.reserved, 'little')))+'U', file=config)
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if sx_name == "_S5_":
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S5_PKG.val_pm1a = pkg_val_pm1a
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S5_PKG.val_pm1b = pkg_val_pm1b
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S5_PKG.reserved = pkg_val_resv
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print("\t#define S5_PKG_VAL_PM1A {0}".format(
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hex(S5_PKG.val_pm1a))+'U', file=config)
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print("\t#define S5_PKG_VAL_PM1B {0}".format(
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S5_PKG.val_pm1b)+'U', file=config)
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print("\t#define S5_PKG_RESERVED {0}".format(
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hex(int.from_bytes(S5_PKG.reserved, 'little')))+'U', file=config)
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def store_cx_data(sysnode1, sysnode2, config):
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"""This will get Cx data of power and store it to PackedCx"""
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i = 0
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state_cpus = {}
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with open(sysnode1, 'r') as acpi_idle:
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idle_driver = acpi_idle.read(32)
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if idle_driver.find("acpi_idle") == -1:
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if idle_driver.find("intel_idle") == 0:
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parser_lib.print_red("The tool need to run with acpi_idle driver, " +
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"please add intel_idle.max_cstate=0 in kernel " +
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"cmdline to fall back to acpi_idle driver", err=True)
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else:
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parser_lib.print_red("acpi_idle driver is not found.", err=True)
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sys.exit(1)
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files = os.listdir(sysnode2)
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for d_path in files:
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if os.path.isdir(sysnode2+d_path):
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state_cpus[d_path] = sysnode2+d_path
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state_cpus = sorted(state_cpus.keys())
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del state_cpus[0]
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cpu_state = ['desc', 'latency', 'power']
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acpi_hw_type = ['HLT', 'MWAIT', 'IOPORT']
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cx_state = defaultdict(dict)
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for state in state_cpus:
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i += 1
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for item in cpu_state:
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cx_data_file = open(sysnode2+state+'/'+item, 'r')
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cx_state[state][item] = cx_data_file.read().strip()
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cx_state[state]['type'] = i
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if cx_state[state][cpu_state[0]].find(acpi_hw_type[0]) != -1 or \
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cx_state[state][cpu_state[0]].find(acpi_hw_type[1]) != -1:
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PackedCx.space_id_8b = SPACE_ID[0x7F]
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if cx_state[state][cpu_state[0]].find(acpi_hw_type[0]) != -1:
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PackedCx.bit_width_8b = 0
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PackedCx.bit_offset_8b = 0
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PackedCx.access_size_8b = 0
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PackedCx.address_64b = 0
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else:
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PackedCx.bit_width_8b = 1
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PackedCx.bit_offset_8b = 2
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PackedCx.access_size_8b = 1
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PackedCx.address_64b = cx_state[state][cpu_state[0]].split()[3]
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elif cx_state[state][cpu_state[0]].find(acpi_hw_type[2]) != -1:
|
|
PackedCx.space_id_8b = SPACE_ID[1]
|
|
PackedCx.bit_width_8b = 8
|
|
PackedCx.bit_offset_8b = 0
|
|
PackedCx.access_size_8b = 0
|
|
PackedCx.address_64b = cx_state[state][cpu_state[0]].split()[2]
|
|
print("\t\t{{{{{}, 0x{:0>2X}U, 0x{:0>2X}U, 0x{:0>2X}U, ".format(
|
|
PackedCx.space_id_8b, PackedCx.bit_width_8b, PackedCx.bit_offset_8b,
|
|
PackedCx.access_size_8b), file=config, end="")
|
|
print("0x{:0>2X}UL}}, 0x{:0>2X}U, 0x{:0>2X}U, 0x{:0>2X}U}},".format(
|
|
int(str(PackedCx.address_64b), 16),
|
|
cx_state[state]['type'], int(cx_state[state][cpu_state[1]]),
|
|
int(cx_state[state][cpu_state[2]])), file=config)
|
|
|
|
|
|
def store_px_data(sysnode, config):
|
|
"""This will get Px data of power and store it to px data"""
|
|
px_tmp = PxPkg()
|
|
px_data = {}
|
|
with open(sysnode+'cpu0/cpufreq/scaling_driver', 'r') as f_node:
|
|
freq_driver = f_node.read()
|
|
if freq_driver.find("acpi-cpufreq") == -1:
|
|
if freq_driver.find("intel_pstate") == 0:
|
|
parser_lib.print_red("The tool need to run with acpi_cpufreq driver, " +
|
|
"please add intel_pstate=disable in kernel cmdline " +
|
|
"to fall back to acpi-cpufreq driver.", err=True)
|
|
else:
|
|
parser_lib.print_red("acpi-cpufreq driver is not found.", err=True)
|
|
sys.exit(1)
|
|
|
|
try:
|
|
with open(sysnode+'cpufreq/boost', 'r') as f_node:
|
|
boost = f_node.read()
|
|
except IOError:
|
|
boost = 0
|
|
parser_lib.print_yel("CPU turbo is not enabled!")
|
|
|
|
with open(sysnode + 'cpu0/cpufreq/scaling_available_frequencies', 'r') as f_node:
|
|
freqs = f_node.read()
|
|
with open(sysnode + 'cpu0/cpufreq/cpuinfo_transition_latency') as f_node:
|
|
latency = int(f_node.read().strip())
|
|
latency = latency//1000
|
|
|
|
i = 0
|
|
p_cnt = 0
|
|
for freq in freqs.split():
|
|
if boost != 0 and i == 0:
|
|
try:
|
|
subprocess.check_call('/usr/sbin/rdmsr 0x1ad', shell=True, stdout=subprocess.PIPE)
|
|
except subprocess.CalledProcessError:
|
|
parser_lib.print_red("MSR 0x1ad not support in this platform!", err=True)
|
|
sys.exit(1)
|
|
|
|
res = subprocess.Popen('/usr/sbin/rdmsr 0x1ad', shell=True,
|
|
stdout=subprocess.PIPE, stderr=subprocess.PIPE, close_fds=True)
|
|
result = res.stdout.readline().strip()
|
|
#max_ratio_cpu = result[-2:]
|
|
ctl_state = int(result[-2:], 16) << 8
|
|
i += 1
|
|
else:
|
|
ctl_state = int(freq)//100000 << 8
|
|
|
|
px_tmp.core_freq = int(int(freq) / 1000)
|
|
px_tmp.power = 0
|
|
px_tmp.trans_latency = latency
|
|
px_tmp.bus_latency = latency
|
|
px_tmp.control = ctl_state
|
|
px_tmp.status = ctl_state
|
|
px_data[freq] = px_tmp
|
|
print("\t\t{{0x{:0>2X}UL, 0x{:0>2X}UL, 0x{:0>2X}UL, ".format(
|
|
px_data[freq].core_freq, px_data[freq].power,
|
|
px_data[freq].trans_latency), file=config, end="")
|
|
print("0x{:0>2X}UL, 0x{:0>6X}UL, 0x{:0>6X}UL}}, /* P{} */".format(
|
|
px_data[freq].bus_latency, px_data[freq].control,
|
|
px_data[freq].status, p_cnt), file=config)
|
|
|
|
p_cnt += 1
|
|
|
|
|
|
def gen_acpi_info(board_fp):
|
|
"""This will parser the sys node form SYS_PATH and generate ACPI info"""
|
|
read_pm_sstate(SYS_PATH[1] + 'FACP', board_fp)
|
|
|
|
print("{0}".format("\t<S3_INFO>"), file=board_fp)
|
|
read_pm_sdata(SYS_PATH[1] + 'DSDT', '_S3_', board_fp)
|
|
print("{0}".format("\t</S3_INFO>\n"), file=board_fp)
|
|
|
|
print("{0}".format("\t<S5_INFO>"), file=board_fp)
|
|
read_pm_sdata(SYS_PATH[1] + 'DSDT', '_S5_', board_fp)
|
|
print("{0}".format("\t</S5_INFO>\n"), file=board_fp)
|
|
|
|
print("{0}".format("\t<DRHD_INFO>"), file=board_fp)
|
|
dmar.write_dmar_data(SYS_PATH[1] + 'DMAR', board_fp)
|
|
print("{0}".format("\t</DRHD_INFO>\n"), file=board_fp)
|
|
|
|
print("{0}".format("\t<CPU_BRAND>"), file=board_fp)
|
|
store_cpu_info(SYS_PATH[0], board_fp)
|
|
print("{0}".format("\t</CPU_BRAND>\n"), file=board_fp)
|
|
|
|
print("{0}".format("\t<CX_INFO>"), file=board_fp)
|
|
store_cx_data(SYS_PATH[2]+'cpuidle/current_driver', SYS_PATH[2]+'cpu0/cpuidle/', board_fp)
|
|
print("{0}".format("\t</CX_INFO>\n"), file=board_fp)
|
|
|
|
print("{0}".format("\t<PX_INFO>"), file=board_fp)
|
|
store_px_data(SYS_PATH[2], board_fp)
|
|
print("{0}".format("\t</PX_INFO>\n"), file=board_fp)
|
|
|
|
|
|
def generate_info(board_file):
|
|
"""This will generate ACPI info from board file"""
|
|
# Generate board info
|
|
with open(board_file, 'a+') as board_info:
|
|
gen_acpi_info(board_info)
|