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April 14, 2018 10:54
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#!/usr/bin/env python | |
#-*- coding: UTF-8 -*- | |
# File: getdriveinfo.py | |
# Copyright (c) 2011 by None | |
# | |
# GNU General Public Licence (GPL) | |
# | |
# This program is free software; you can redistribute it and/or modify it under | |
# the terms of the GNU General Public License as published by the Free Software | |
# Foundation; either version 2 of the License, or (at your option) any later | |
# version. | |
# This program is distributed in the hope that it will be useful, but WITHOUT | |
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more | |
# details. | |
# You should have received a copy of the GNU General Public License along with | |
# this program; if not, write to the Free Software Foundation, Inc., 59 Temple | |
# Place, Suite 330, Boston, MA 02111-1307 USA | |
# | |
__author__ = 'Costas Tyfoxylos <costas.tyf@gmail.com>' | |
__docformat__ = 'plaintext' | |
__date__ = '08/09/2011' | |
import sys | |
import os | |
import fcntl | |
import struct | |
if os.geteuid(): | |
print("ERROR: Must be root to use") | |
sys.exit(1) | |
with open(sys.argv[1], "rb") as fd: | |
# tediously derived from the monster struct defined in <hdreg.h> | |
# see comment at end of file to verify | |
hd_driveid_format_str = "@ 10H 20s 3H 8s 40s 2B H 2B H 4B 6H 2B I 36H I Q 152H" | |
# Also from <hdreg.h> | |
HDIO_GET_IDENTITY = 0x030d | |
# How big a buffer do we need? | |
sizeof_hd_driveid = struct.calcsize(hd_driveid_format_str) | |
# ensure our format string is the correct size | |
# 512 is extracted using sizeof(struct hd_id) in the c code | |
assert sizeof_hd_driveid == 512 | |
# Call native function | |
buf = fcntl.ioctl(fd, HDIO_GET_IDENTITY, " " * sizeof_hd_driveid) | |
fields = struct.unpack(hd_driveid_format_str, buf) | |
print("Bytes per track : %s" % fields[4]) | |
print("Bytes per sector : %s" % fields[5]) | |
print("Vendor1 : %s" % fields[7]) | |
print("Vendor2 : %s" % fields[8]) | |
print("Vendor3 : %s" % fields[9]) | |
print("Serial Number : %s" % fields[10].strip()) | |
print("Model : %s" % fields[15]) | |
print("Vendor4 : %s" % fields[17]) | |
print("Vendor5 : %s" % fields[19]) | |
print("Vendor6 : %s" % fields[22]) | |
print("Vendor7 : %s" % fields[24]) | |
print("Media Serial : %s" % fields[76]) | |
## For documentation purposes, this is the struct copied from <hdreg.h> | |
# struct hd_driveid { | |
# unsigned short config; /* lots of obsolete bit flags */ | |
# unsigned short cyls; /* Obsolete, "physical" cyls */ | |
# unsigned short reserved2; /* reserved (word 2) */ | |
# unsigned short heads; /* Obsolete, "physical" heads */ | |
# unsigned short track_bytes; /* unformatted bytes per track */ | |
# unsigned short sector_bytes; /* unformatted bytes per sector */ | |
# unsigned short sectors; /* Obsolete, "physical" sectors per track */ | |
# unsigned short vendor0; /* vendor unique */ | |
# unsigned short vendor1; /* vendor unique */ | |
# unsigned short vendor2; /* Retired vendor unique */ | |
# unsigned char serial_no[20]; /* 0 = not_specified */ | |
# unsigned short buf_type; /* Retired */ | |
# unsigned short buf_size; /* Retired, 512 byte increments | |
# * 0 = not_specified | |
# */ | |
# unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */ | |
# unsigned char fw_rev[8]; /* 0 = not_specified */ | |
# unsigned char model[40]; /* 0 = not_specified */ | |
# unsigned char max_multsect; /* 0=not_implemented */ | |
# unsigned char vendor3; /* vendor unique */ | |
# unsigned short dword_io; /* 0=not_implemented; 1=implemented */ | |
# unsigned char vendor4; /* vendor unique */ | |
# unsigned char capability; /* (upper byte of word 49) | |
# * 3: IORDYsup | |
# * 2: IORDYsw | |
# * 1: LBA | |
# * 0: DMA | |
# */ | |
# unsigned short reserved50; /* reserved (word 50) */ | |
# unsigned char vendor5; /* Obsolete, vendor unique */ | |
# unsigned char tPIO; /* Obsolete, 0=slow, 1=medium, 2=fast */ | |
# unsigned char vendor6; /* Obsolete, vendor unique */ | |
# unsigned char tDMA; /* Obsolete, 0=slow, 1=medium, 2=fast */ | |
# unsigned short field_valid; /* (word 53) | |
# * 2: ultra_ok word 88 | |
# * 1: eide_ok words 64-70 | |
# * 0: cur_ok words 54-58 | |
# */ | |
# unsigned short cur_cyls; /* Obsolete, logical cylinders */ | |
# unsigned short cur_heads; /* Obsolete, l heads */ | |
# unsigned short cur_sectors; /* Obsolete, l sectors per track */ | |
# unsigned short cur_capacity0; /* Obsolete, l total sectors on drive */ | |
# unsigned short cur_capacity1; /* Obsolete, (2 words, misaligned int) */ | |
# unsigned char multsect; /* current multiple sector count */ | |
# unsigned char multsect_valid; /* when (bit0==1) multsect is ok */ | |
# unsigned int lba_capacity; /* Obsolete, total number of sectors */ | |
# unsigned short dma_1word; /* Obsolete, single-word dma info */ | |
# unsigned short dma_mword; /* multiple-word dma info */ | |
# unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */ | |
# unsigned short eide_dma_min; /* min mword dma cycle time (ns) */ | |
# unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */ | |
# unsigned short eide_pio; /* min cycle time (ns), no IORDY */ | |
# unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */ | |
# unsigned short words69_70[2]; /* reserved words 69-70 | |
# * future command overlap and queuing | |
# */ | |
# unsigned short words71_74[4]; /* reserved words 71-74 | |
# * for IDENTIFY PACKET DEVICE command | |
# */ | |
# unsigned short queue_depth; /* (word 75) | |
# * 15:5 reserved | |
# * 4:0 Maximum queue depth -1 | |
# */ | |
# unsigned short words76_79[4]; /* reserved words 76-79 */ | |
# unsigned short major_rev_num; /* (word 80) */ | |
# unsigned short minor_rev_num; /* (word 81) */ | |
# unsigned short command_set_1; /* (word 82) supported | |
# * 15: Obsolete | |
# * 14: NOP command | |
# * 13: READ_BUFFER | |
# * 12: WRITE_BUFFER | |
# * 11: Obsolete | |
# * 10: Host Protected Area | |
# * 9: DEVICE Reset | |
# * 8: SERVICE Interrupt | |
# * 7: Release Interrupt | |
# * 6: look-ahead | |
# * 5: write cache | |
# * 4: PACKET Command | |
# * 3: Power Management Feature Set | |
# * 2: Removable Feature Set | |
# * 1: Security Feature Set | |
# * 0: SMART Feature Set | |
# */ | |
# unsigned short command_set_2; /* (word 83) | |
# * 15: Shall be ZERO | |
# * 14: Shall be ONE | |
# * 13: FLUSH CACHE EXT | |
# * 12: FLUSH CACHE | |
# * 11: Device Configuration Overlay | |
# * 10: 48-bit Address Feature Set | |
# * 9: Automatic Acoustic Management | |
# * 8: SET MAX security | |
# * 7: reserved 1407DT PARTIES | |
# * 6: SetF sub-command Power-Up | |
# * 5: Power-Up in Standby Feature Set | |
# * 4: Removable Media Notification | |
# * 3: APM Feature Set | |
# * 2: CFA Feature Set | |
# * 1: READ/WRITE DMA QUEUED | |
# * 0: Download MicroCode | |
# */ | |
# unsigned short cfsse; /* (word 84) | |
# * cmd set-feature supported extensions | |
# * 15: Shall be ZERO | |
# * 14: Shall be ONE | |
# * 13:6 reserved | |
# * 5: General Purpose Logging | |
# * 4: Streaming Feature Set | |
# * 3: Media Card Pass Through | |
# * 2: Media Serial Number Valid | |
# * 1: SMART selt-test supported | |
# * 0: SMART error logging | |
# */ | |
# unsigned short cfs_enable_1; /* (word 85) | |
# * command set-feature enabled | |
# * 15: Obsolete | |
# * 14: NOP command | |
# * 13: READ_BUFFER | |
# * 12: WRITE_BUFFER | |
# * 11: Obsolete | |
# * 10: Host Protected Area | |
# * 9: DEVICE Reset | |
# * 8: SERVICE Interrupt | |
# * 7: Release Interrupt | |
# * 6: look-ahead | |
# * 5: write cache | |
# * 4: PACKET Command | |
# * 3: Power Management Feature Set | |
# * 2: Removable Feature Set | |
# * 1: Security Feature Set | |
# * 0: SMART Feature Set | |
# */ | |
# unsigned short cfs_enable_2; /* (word 86) | |
# * command set-feature enabled | |
# * 15: Shall be ZERO | |
# * 14: Shall be ONE | |
# * 13: FLUSH CACHE EXT | |
# * 12: FLUSH CACHE | |
# * 11: Device Configuration Overlay | |
# * 10: 48-bit Address Feature Set | |
# * 9: Automatic Acoustic Management | |
# * 8: SET MAX security | |
# * 7: reserved 1407DT PARTIES | |
# * 6: SetF sub-command Power-Up | |
# * 5: Power-Up in Standby Feature Set | |
# * 4: Removable Media Notification | |
# * 3: APM Feature Set | |
# * 2: CFA Feature Set | |
# * 1: READ/WRITE DMA QUEUED | |
# * 0: Download MicroCode | |
# */ | |
# unsigned short csf_default; /* (word 87) | |
# * command set-feature default | |
# * 15: Shall be ZERO | |
# * 14: Shall be ONE | |
# * 13:6 reserved | |
# * 5: General Purpose Logging enabled | |
# * 4: Valid CONFIGURE STREAM executed | |
# * 3: Media Card Pass Through enabled | |
# * 2: Media Serial Number Valid | |
# * 1: SMART selt-test supported | |
# * 0: SMART error logging | |
# */ | |
# unsigned short dma_ultra; /* (word 88) */ | |
# unsigned short trseuc; /* time required for security erase */ | |
# unsigned short trsEuc; /* time required for enhanced erase */ | |
# unsigned short CurAPMvalues; /* current APM values */ | |
# unsigned short mprc; /* master password revision code */ | |
# unsigned short hw_config; /* hardware config (word 93) | |
# * 15: Shall be ZERO | |
# * 14: Shall be ONE | |
# * 13: | |
# * 12: | |
# * 11: | |
# * 10: | |
# * 9: | |
# * 8: | |
# * 7: | |
# * 6: | |
# * 5: | |
# * 4: | |
# * 3: | |
# * 2: | |
# * 1: | |
# * 0: Shall be ONE | |
# */ | |
# unsigned short acoustic; /* (word 94) | |
# * 15:8 Vendor's recommended value | |
# * 7:0 current value | |
# */ | |
# unsigned short msrqs; /* min stream request size */ | |
# unsigned short sxfert; /* stream transfer time */ | |
# unsigned short sal; /* stream access latency */ | |
# unsigned int spg; /* stream performance granularity */ | |
# unsigned long long lba_capacity_2;/* 48-bit total number of sectors */ | |
# unsigned short words104_125[22];/* reserved words 104-125 */ | |
# unsigned short last_lun; /* (word 126) */ | |
# unsigned short word127; /* (word 127) Feature Set | |
# * Removable Media Notification | |
# * 15:2 reserved | |
# * 1:0 00 = not supported | |
# * 01 = supported | |
# * 10 = reserved | |
# * 11 = reserved | |
# */ | |
# unsigned short dlf; /* (word 128) | |
# * device lock function | |
# * 15:9 reserved | |
# * 8 security level 1:max 0:high | |
# * 7:6 reserved | |
# * 5 enhanced erase | |
# * 4 expire | |
# * 3 frozen | |
# * 2 locked | |
# * 1 en/disabled | |
# * 0 capability | |
# */ | |
# unsigned short csfo; /* (word 129) | |
# * current set features options | |
# * 15:4 reserved | |
# * 3: auto reassign | |
# * 2: reverting | |
# * 1: read-look-ahead | |
# * 0: write cache | |
# */ | |
# unsigned short words130_155[26];/* reserved vendor words 130-155 */ | |
# unsigned short word156; /* reserved vendor word 156 */ | |
# unsigned short words157_159[3];/* reserved vendor words 157-159 */ | |
# unsigned short cfa_power; /* (word 160) CFA Power Mode | |
# * 15 word 160 supported | |
# * 14 reserved | |
# * 13 | |
# * 12 | |
# * 11:0 | |
# */ | |
# unsigned short words161_175[15];/* Reserved for CFA */ | |
# unsigned short words176_205[30];/* Current Media Serial Number */ | |
# unsigned short words206_254[49];/* reserved words 206-254 */ | |
# unsigned short integrity_word; /* (word 255) | |
# * 15:8 Checksum | |
# * 7:0 Signature | |
# */ | |
# }; |
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