dmidecode.c

dmidecode 是unix和linux系统下强大的硬件信息查看工具

	
	if(code>=0x01 && code<=0x0F)
		return location[code-0x01];
	return out_of_spec;
}

static void dmi_temperature_probe_value(u16 code)
{
	if(code==0x8000)
		printf(" Unknown");
	else
		printf(" %.1f deg C", (float)(i16)code/10);
}

static void dmi_temperature_probe_resolution(u16 code)
{
	if(code==0x8000)
		printf(" Unknown");
	else
		printf(" %.3f deg C", (float)code/1000);
}

/*
 * 3.3.30 Electrical Current Probe (Type 29)
 */

static void dmi_current_probe_value(u16 code)
{
	if(code==0x8000)
		printf(" Unknown");
	else
		printf(" %.3f A", (float)(i16)code/1000);
}

static void dmi_current_probe_resolution(u16 code)
{
	if(code==0x8000)
		printf(" Unknown");
	else
		printf(" %.1f mA", (float)code/10);
}

/*
 * 3.3.33 System Boot Information (Type 32)
 */

static const char *dmi_system_boot_status(u8 code)
{
	static const char *status[]={
		"No errors detected", /* 0 */
		"No bootable media",
		"Operating system failed to load",
		"Firmware-detected hardware failure",
		"Operating system-detected hardware failure",
		"User-requested boot",
		"System security violation",
		"Previously-requested image",
		"System watchdog timer expired" /* 8 */
	};
	
	if(code<=8)
		return status[code];
	if(code>=128 && code<=191)
		return "OEM-specific";
	if(code>=192)
		return "Product-specific";
	return out_of_spec;
}

/*
 * 3.3.34 64-bit Memory Error Information (Type 33)
 */

static void dmi_64bit_memory_error_address(u64 code)
{
	if(code.h==0x80000000 && code.l==0x00000000)
		printf(" Unknown");
	else
		printf(" 0x%08X%08X", code.h, code.l);
}

/*
 * 3.3.35 Management Device (Type 34)
 */

static const char *dmi_management_device_type(u8 code)
{
	/* 3.3.35.1 */
	static const char *type[]={
		"Other", /* 0x01 */
		"Unknown",
		"LM75",
		"LM78",
		"LM79",
		"LM80",
		"LM81",
		"ADM9240",
		"DS1780",
		"MAX1617",
		"GL518SM",
		"W83781D",
		"HT82H791" /* 0x0D */
	};
	
	if(code>=0x01 && code<=0x0D)
		return type[code-0x01];
	return out_of_spec;
}

static const char *dmi_management_device_address_type(u8 code)
{
	/* 3.3.35.2 */
	static const char *type[]={
		"Other", /* 0x01 */
		"Unknown",
		"I/O Port",
		"Memory",
		"SMBus" /* 0x05 */
	};
	
	if(code>=0x01 && code<=0x05)
		return type[code-0x01];
	return out_of_spec;
}

/*
 * 3.3.38 Memory Channel (Type 37)
 */

static const char *dmi_memory_channel_type(u8 code)
{
	/* 3.3.38.1 */
	static const char *type[]={
		"Other", /* 0x01 */
		"Unknown",
		"RamBus",
		"SyncLink" /* 0x04 */
	};
	
	if(code>=0x01 && code<=0x04)
		return type[code-0x01];
	return out_of_spec;
}

static void dmi_memory_channel_devices(u8 count, u8 *p, const char *prefix)
{
	int i;
	
	for(i=1; i<=count; i++)
	{
		printf("%sDevice %u Load: %u\n",
			prefix, i, p[3*i]);
		if(!(opt.flags & FLAG_QUIET))
			printf("%sDevice %u Handle: 0x%04X\n",
				prefix, i, WORD(p+3*i+1));
	}
}

/*
 * 3.3.39 IPMI Device Information (Type 38)
 */

static const char *dmi_ipmi_interface_type(u8 code)
{
	/* 3.3.39.1 and IPMI 2.0, appendix C1, table C1-2 */
	static const char *type[]={
		"Unknown", /* 0x00 */
		"KCS (Keyboard Control Style)",
		"SMIC (Server Management Interface Chip)",
		"BT (Block Transfer)",
		"SSIF (SMBus System Interface)" /* 0x04 */
	};
	
	if(code<=0x04)
		return type[code];
	return out_of_spec;
}

static void dmi_ipmi_base_address(u8 type, u8 *p, u8 lsb)
{
	if(type==0x04) /* SSIF */
	{
		printf("0x%02X (SMBus)", (*p)>>1);
	}
	else
	{
		u64 address=QWORD(p);
		printf("0x%08X%08X (%s)", address.h, (address.l&~1)|lsb,
			address.l&1?"I/O":"Memory-mapped");		
	}
}

static const char *dmi_ipmi_register_spacing(u8 code)
{
	/* IPMI 2.0, appendix C1, table C1-1 */
	static const char *spacing[]={
		"Successive Byte Boundaries", /* 0x00 */
		"32-bit Boundaries",
		"16-byte Boundaries" /* 0x02 */
	};
	
	if(code<=0x02)
		return spacing[code];
	return out_of_spec;
}

/*
 * 3.3.40 System Power Supply (Type 39)
 */

static void dmi_power_supply_power(u16 code)
{
	if(code==0x8000)
		printf(" Unknown");
	else
		printf(" %.3f W", (float)code/1000);
}

static const char *dmi_power_supply_type(u8 code)
{
	/* 3.3.40.1 */
	static const char *type[]={
		"Other", /* 0x01 */
		"Unknown",
		"Linear",
		"Switching",
		"Battery",
		"UPS",
		"Converter",
		"Regulator" /* 0x08 */
	};
	
	if(code>=0x01 && code<=0x08)
		return type[code-0x01];
	return out_of_spec;
}

static const char *dmi_power_supply_status(u8 code)
{
	/* 3.3.40.1 */
	static const char *status[]={
		"Other", /* 0x01 */
		"Unknown",
		"OK",
		"Non-critical",
		"Critical" /* 0x05 */
	};
	
	if(code>=0x01 && code<=0x05)
		return status[code-0x01];
	return out_of_spec;
}

static const char *dmi_power_supply_range_switching(u8 code)
{
	/* 3.3.40.1 */
	static const char *switching[]={
		"Other", /* 0x01 */
		"Unknown",
		"Manual",
		"Auto-switch",
		"Wide Range",
		"N/A" /* 0x06 */
	};
	
	if(code>=0x01 && code<=0x06)
		return switching[code-0x01];
	return out_of_spec;
}

/*
 * Main
 */

static void dmi_decode(struct dmi_header *h, u16 ver)
{
	u8 *data=h->data;
	
	/*
	 * Note: DMI types 37 and 39 are untested
	 */
	switch(h->type)
	{
		case 0: /* 3.3.1 BIOS Information */
			printf("BIOS Information\n");
			if(h->length<0x12) break;
			printf("\tVendor: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tVersion: %s\n",
				dmi_string(h, data[0x05]));
			printf("\tRelease Date: %s\n",
				dmi_string(h, data[0x08]));
			/*
			 * On IA-64, the BIOS base address will read 0 because
			 * there is no BIOS. Skip the base address and the
			 * runtime size in this case.
			 */
			if(WORD(data+0x06)!=0)
			{
				printf("\tAddress: 0x%04X0\n",
					WORD(data+0x06));
				printf("\tRuntime Size:");
				dmi_bios_runtime_size((0x10000-WORD(data+0x06))<<4);
				printf("\n");
			}
			printf("\tROM Size: %u kB\n",
				(data[0x09]+1)<<6);
			printf("\tCharacteristics:\n");
			dmi_bios_characteristics(QWORD(data+0x0A), "\t\t");
			if(h->length<0x13) break;
			dmi_bios_characteristics_x1(data[0x12], "\t\t");
			if(h->length<0x14) break;
			dmi_bios_characteristics_x2(data[0x13], "\t\t");
			if(h->length<0x18) break;
			if(data[0x14]!=0xFF && data[0x15]!=0xFF)
				printf("\tBIOS Revision: %u.%u\n",
					data[0x14], data[0x15]);
			if(data[0x16]!=0xFF && data[0x17]!=0xFF)
				printf("\tFirmware Revision: %u.%u\n",
					data[0x16], data[0x17]);
			break;
		
		case 1: /* 3.3.2 System Information */
			printf("System Information\n");
			if(h->length<0x08) break;
			printf("\tManufacturer: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tProduct Name: %s\n",
				dmi_string(h, data[0x05]));
			printf("\tVersion: %s\n",
				dmi_string(h, data[0x06]));
			printf("\tSerial Number: %s\n",
				dmi_string(h, data[0x07]));
			if(h->length<0x19) break;
			printf("\tUUID: ");
			dmi_system_uuid(data+0x08);
			printf("\n");
			printf("\tWake-up Type: %s\n",
				dmi_system_wake_up_type(data[0x18]));
			if(h->length<0x1B) break;
			printf("\tSKU Number: %s\n",
				dmi_string(h, data[0x19]));
			printf("\tFamily: %s\n",
				dmi_string(h, data[0x1A]));
			break;
		
		case 2: /* 3.3.3 Base Board Information */
			printf("Base Board Information\n");
			if(h->length<0x08) break;
			printf("\tManufacturer: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tProduct Name: %s\n",
				dmi_string(h, data[0x05]));
			printf("\tVersion: %s\n",
				dmi_string(h, data[0x06]));
			printf("\tSerial Number: %s\n",
				dmi_string(h, data[0x07]));
			if(h->length<0x0F) break;
			printf("\tAsset Tag: %s\n",
				dmi_string(h, data[0x08]));
			printf("\tFeatures:");
			dmi_base_board_features(data[0x09], "\t\t");
			printf("\tLocation In Chassis: %s\n",
				dmi_string(h, data[0x0A]));
			if(!(opt.flags & FLAG_QUIET))
				printf("\tChassis Handle: 0x%04X\n",
					WORD(data+0x0B));
			printf("\tType: %s\n",
				dmi_base_board_type(data[0x0D]));
			if(h->length<0x0F+data[0x0E]*sizeof(u16)) break;
			if(!(opt.flags & FLAG_QUIET))
				dmi_base_board_handles(data[0x0E], data+0x0F, "\t");
			break;
		
		case 3: /* 3.3.4 Chassis Information */
			printf("Chassis Information\n");
			if(h->length<0x09) break;
			printf("\tManufacturer: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tType: %s\n",
				dmi_chassis_type(data[0x05]&0x7F));
			printf("\tLock: %s\n",
				dmi_chassis_lock(data[0x05]>>7));
			printf("\tVersion: %s\n",
				dmi_string(h, data[0x06]));
			printf("\tSerial Number: %s\n",
				dmi_string(h, data[0x07]));
			printf("\tAsset Tag: %s\n",
				dmi_string(h, data[0x08]));
			if(h->length<0x0D) break;
			printf("\tBoot-up State: %s\n",
				dmi_chassis_state(data[0x09]));
			printf("\tPower Supply State: %s\n",
				dmi_chassis_state(data[0x0A]));
			printf("\tThermal State: %s\n",
				dmi_chassis_state(data[0x0B]));
			printf("\tSecurity Status: %s\n",
				dmi_chassis_security_status(data[0x0C]));
			if(h->length<0x11) break;
			printf("\tOEM Information: 0x%08X\n",
				DWORD(data+0x0D));
			if(h->length<0x15) break;
			printf("\tHeight:");
			dmi_chassis_height(data[0x11]);
			printf("\n");
			printf("\tNumber Of Power Cords:");
			dmi_chassis_power_cords(data[0x12]);
			printf("\n");
			if(h->length<0x15+data[0x13]*data[0x14]) break;
			dmi_chassis_elements(data[0x13], data[0x14], data+0x15, "\t");
			break;
		
		case 4: /* 3.3.5 Processor Information */
			printf("Processor Information\n");
			if(h->length<0x1A) break;
			printf("\tSocket Designation: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tType: %s\n",
				dmi_processor_type(data[0x05]));
			printf("\tFamily: %s\n",
				dmi_processor_family(data[0x06]));
			printf("\tManufacturer: %s\n",
				dmi_string(h, data[0x07]));
			dmi_processor_id(data[0x06], data+8, dmi_string(h, data[0x10]), "\t");
			printf("\tVersion: %s\n",
				dmi_string(h, data[0x10]));
			printf("\tVoltage:");
			dmi_processor_voltage(data[0x11]);
			printf("\n");
			printf("\tExternal Clock: ");
			dmi_processor_frequency(data+0x12);
			printf("\n");
			printf("\tMax Speed: ");
			dmi_processor_frequency(data+0x14);
			printf("\n");
			printf("\tCurrent Speed: ");
			dmi_processor_frequency(data+0x16);
			printf("\n");
			if(data[0x18]&(1<<6))
				printf("\tStatus: Populated, %s\n",
					dmi_processor_status(data[0x18]&0x07));
			else
				printf("\tStatus: Unpopulated\n");
			printf("\tUpgrade: %s\n",
				dmi_processor_upgrade(data[0x19]));
			if(h->length<0x20) break;
			if(!(opt.flags & FLAG_QUIET))
			{
				printf("\tL1 Cache Handle:");
				dmi_processor_cache(WORD(data+0x1A), "L1", ver);
				printf("\n");
				printf("\tL2 Cache Handle:");
				dmi_processor_cache(WORD(data+0x1C), "L2", ver);
				printf("\n");
				printf("\tL3 Cache Handle:");
				dmi_processor_cache(WORD(data+0x1E), "L3", ver);
				printf("\n");
			}
			if(h->length<0x23) break;
			printf("\tSerial Number: %s\n",
				dmi_string(h, data[0x20]));
			printf("\tAsset Tag: %s\n",
				dmi_string(h, data[0x21]));
			printf("\tPart Number: %s\n",
				dmi_string(h, data[0x22]));
			if(h->length<0x28) break;
			if(data[0x23]!=0)
				printf("\tCore Count: %u\n", data[0x23]);
			if(data[0x24]!=0)
				printf("\tCore Enabled: %u\n", data[0x24]);
			if(data[0x25]!=0)
				printf("\tThread Count: %u\n", data[0x25]);
			printf("\tCharacteristics:");
			dmi_processor_characteristics(WORD(data+0x26), "\t\t");
			break;
		
		case 5: /* 3.3.6 Memory Controller Information */
			printf("Memory Controller Information\n");
			if(h->length<0x0F) break;
			printf("\tError Detecting Method: %s\n",
				dmi_memory_controller_ed_method(data[0x04]));
			printf("\tError Correcting Capabilities:");
			dmi_memory_controller_ec_capabilities(data[0x05], "\t\t");
			printf("\tSupported Interleave: %s\n",
				dmi_memory_controller_interleave(data[0x06]));
			printf("\tCurrent Interleave: %s\n",
				dmi_memory_controller_interleave(data[0x07]));
			printf("\tMaximum Memory Module Size: %u MB\n",
				1<<data[0x08]);
			printf("\tMaximum Total Memory Size: %u MB\n",
				data[0x0E]*(1<<data[0x08]));
			printf("\tSupported Speeds:");
			dmi_memory_controller_speeds(WORD(data+0x09), "\t\t");
			printf("\tSupported Memory Types:");
			dmi_memory_module_types(WORD(data+0x0B), "\n\t\t");
			printf("\n");
			printf("\tMemory Module Voltage:");
			dmi_processor_voltage(data[0x0D]);
			printf("\n");
			if(h->length<0x0F+data[0x0E]*sizeof(u16)) break;
			dmi_memory_controller_slots(data[0x0E], data+0x0F, "\t");
			if(h->length<0x10+data[0x0E]*sizeof(u16)) break;
			printf("\tEnabled Error Correcting Capabilities:");
			dmi_memory_controller_ec_capabilities(data[0x0F+data[0x0E]*sizeof(u16)], "\t\t");
			break;
		
		case 6: /* 3.3.7 Memory Module Information */
			printf("Memory Module Information\n");
			if(h->length<0x0C) break;
			printf("\tSocket Designation: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tBank Connections:");
			dmi_memory_module_connections(data[0x05]);
			printf("\n");
			printf("\tCurrent Speed:");
			dmi_memory_module_speed(data[0x06]);
			printf("\n");
			printf("\tType:");
			dmi_memory_module_types(WORD(data+0x07), " ");
			printf("\n");
			printf("\tInstalled Size:");
			dmi_memory_module_size(data[0x09]);
			printf("\n");
			printf("\tEnabled Size:");
			dmi_memory_module_size(data[0x0A]);
			printf("\n");
			printf("\tError Status:");
			dmi_memory_module_error(data[0x0B], "\t\t");
			break;
		
		case 7: /* 3.3.8 Cache Information */
			printf("Cache Information\n");
			if(h->length<0x0F) break;
			printf("\tSocket Designation: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tConfiguration: %s, %s, Level %u\n",
				WORD(data+0x05)&0x0080?"Enabled":"Disabled",
				WORD(data+0x05)&0x0008?"Socketed":"Not Socketed",
				(WORD(data+0x05)&0x0007)+1);
			printf("\tOperational Mode: %s\n",
				dmi_cache_mode((WORD(data+0x05)>>8)&0x0003));
			printf("\tLocation: %s\n",
				dmi_cache_location((WORD(data+0x05)>>5)&0x0003));
			printf("\tInstalled Size:");
			dmi_cache_size(WORD(data+0x09));
			printf("\n");
			printf("\tMaximum Size:");
			dmi_cache_size(WORD(data+0x07));
			printf("\n");
			printf("\tSupported SRAM Types:");
			dmi_cache_types(WORD(data+0x0B), "\n\t\t");
			printf("\n");
			printf("\tInstalled SRAM Type:");
			dmi_cache_types(WORD(data+0x0D), " ");
			printf("\n");
			if(h->length<0x13) break;
			printf("\tSpeed:");
			dmi_memory_module_speed(data[0x0F]);
			printf("\n");
			printf("\tError Correction Type: %s\n",
				dmi_cache_ec_type(data[0x10]));
			printf("\tSystem Type: %s\n",
				dmi_cache_type(data[0x11]));
			printf("\tAssociativity: %s\n",
				dmi_cache_associativity(data[0x12]));
			break;
		
		case 8: /* 3.3.9 Port Connector Information */
			printf("Port Connector Information\n");
			if(h->length<0x09) break;
			printf("\tInternal Reference Designator: %s\n",
			   dmi_string(h, data[0x04]));
			printf("\tInternal Connector Type: %s\n",
			   dmi_port_connector_type(data[0x05]));
			printf("\tExternal Reference Designator: %s\n",
			   dmi_string(h, data[0x06]));
			printf("\tExternal Connector Type: %s\n",
			   dmi_port_connector_type(data[0x07]));
			printf("\tPort Type: %s\n",
			   dmi_port_type(data[0x08]));
			break;
		
		case 9: /* 3.3.10 System Slots */
			printf("System Slot Information\n");
			if(h->length<0x0C) break;
			printf("\tDesignation: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tType: %s%s\n",
				dmi_slot_bus_width(data[0x06]),
				dmi_slot_type(data[0x05]));
			printf("\tCurrent Usage: %s\n",
				dmi_slot_current_usage(data[0x07]));
			printf("\tLength: %s\n",
				dmi_slot_length(data[0x08]));
			dmi_slot_id(data[0x09], data[0x0A], data[0x05], "\t");
			printf("\tCharacteristics:");
			if(h->length<0x0D)
				dmi_slot_characteristics(data[0x0B], 0x00, "\t\t");
			else
				dmi_slot_characteristics(data[0x0B], data[0x0C], "\t\t");
			break;
		
		case 10: /* 3.3.11 On Board Devices Information */
			dmi_on_board_devices(h, "");
			break;
		
		case 11: /* 3.3.12 OEM Strings */
			printf("OEM Strings\n");
			if(h->length<0x05) break;
			dmi_oem_strings(h, "\t");
			break;	
		
		case 12: /* 3.3.13 System Configuration Options */
			printf("System Configuration Options\n");
			if(h->length<0x05) break;
			dmi_system_configuration_options(h, "\t");
			break;
		
		case 13: /* 3.3.14 BIOS Language Information */
			printf("BIOS Language Information\n");
			if(h->length<0x16) break;
			printf("\tInstallable Languages: %u\n", data[0x04]);
			dmi_bios_languages(h, "\t\t");
			printf("\tCurrently Installed Language: %s\n",
				dmi_string(h, data[0x15]));
			break;
		
		case 14: /* 3.3.15 Group Associations */
			printf("Group Associations\n");
			if(h->length<0x05) break;
			printf("\tName: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tItems: %u\n",
				(h->length-0x05)/3);
			dmi_group_associations_items((h->length-0x05)/3, data+0x05, "\t\t");
			break;
		
		case 15: /* 3.3.16 System Event Log */
			printf("System Event Log\n");
			if(h->length<0x14) break;
			printf("\tArea Length: %u bytes\n",
				WORD(data+0x04));
			printf("\tHeader Start Offset: