/*
* Decoding of OEM-specific entries
* This file is part of the dmidecode project.
*
* Copyright (C) 2007-2008 Jean Delvare <jdelvare@suse.de>
*
* 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
*/
#include <stdio.h>
#include <string.h>
#include "types.h"
#include "dmidecode.h"
#include "dmioem.h"
/*
* Globals for vendor-specific decodes
*/
enum DMI_VENDORS
{
VENDOR_UNKNOWN,
VENDOR_HP,
VENDOR_ACER,
};
static enum DMI_VENDORS dmi_vendor = VENDOR_UNKNOWN;
/*
* Remember the system vendor for later use. We only actually store the
* value if we know how to decode at least one specific entry type for
* that vendor.
*/
void dmi_set_vendor(const char *s)
{
int len;
/*
* Often DMI strings have trailing spaces. Ignore these
* when checking for known vendor names.
*/
len = strlen(s);
while (len && s[len - 1] == ' ')
len--;
if (strncmp(s, "HP", len) == 0 || strncmp(s, "Hewlett-Packard", len) == 0)
dmi_vendor = VENDOR_HP;
else if (strncmp(s, "Acer", len) == 0)
dmi_vendor = VENDOR_ACER;
}
/*
* HP-specific data structures are decoded here.
*
* Code contributed by John Cagle and Tyler Bell.
*/
static void dmi_print_hp_net_iface_rec(u8 id, u8 bus, u8 dev, const u8 *mac)
{
/* Some systems do not provide an id. nic_ctr provides an artificial
* id, and assumes the records will be provided "in order". Also,
* using 0xFF marker is not future proof. 256 NICs is a lot, but
* 640K ought to be enough for anybody(said no one, ever).
* */
static u8 nic_ctr;
if (id == 0xFF)
id = ++nic_ctr;
if (dev == 0x00 && bus == 0x00)
printf("\tNIC %d: Disabled\n", id);
else if (dev == 0xFF && bus == 0xFF)
printf("\tNIC %d: Not Installed\n", id);
else
{
printf("\tNIC %d: PCI device %02x:%02x.%x, "
"MAC address %02X:%02X:%02X:%02X:%02X:%02X\n",
id, bus, dev >> 3, dev & 7,
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
}
}
static int dmi_decode_hp(const struct dmi_header *h)
{
u8 *data = h->data;
int nic, ptr;
u32 feat;
switch (h->type)
{
case 204:
/*
* Vendor Specific: HP ProLiant System/Rack Locator
*/
printf("HP ProLiant System/Rack Locator\n");
if (h->length < 0x0B) break;
printf("\tRack Name: %s\n", dmi_string(h, data[0x04]));
printf("\tEnclosure Name: %s\n", dmi_string(h, data[0x05]));
printf("\tEnclosure Model: %s\n", dmi_string(h, data[0x06]));
printf("\tEnclosure Serial: %s\n", dmi_string(h, data[0x0A]));
printf("\tEnclosure Bays: %d\n", data[0x08]);
printf("\tServer Bay: %s\n", dmi_string(h, data[0x07]));
printf("\tBays Filled: %d\n", data[0x09]);
break;
case 209:
case 221:
/*
* Vendor Specific: HP ProLiant NIC MAC Information
*
* This prints the BIOS NIC number,
* PCI bus/device/function, and MAC address
*
* Type 209:
* Offset | Name | Width | Description
* -------------------------------------
* 0x00 | Type | BYTE | 0xD1, MAC Info
* 0x01 | Length | BYTE | Length of structure
* 0x02 | Handle | WORD | Unique handle
* 0x04 | Dev No | BYTE | PCI Device/Function No
* 0x05 | Bus No | BYTE | PCI Bus
* 0x06 | MAC | 6B | MAC addr
* 0x0C | NIC #2 | 8B | Repeat 0x04-0x0B
*
* Type 221: is deprecated in the latest docs
*/
printf(h->type == 221 ?
"HP BIOS iSCSI NIC PCI and MAC Information\n" :
"HP BIOS PXE NIC PCI and MAC Information\n");
nic = 1;
ptr = 4;
while (h->length >= ptr + 8)
{
dmi_print_hp_net_iface_rec(nic,
data[ptr + 0x01],
data[ptr],
&data[ptr + 0x02]);
nic++;
ptr += 8;
}
break;
case 233:
/*
* Vendor Specific: HP ProLiant NIC MAC Information
*
* This prints the BIOS NIC number,
* PCI bus/device/function, and MAC address
*
* Offset | Name | Width | Description
* -------------------------------------
* 0x00 | Type | BYTE | 0xE9, NIC structure
* 0x01 | Length | BYTE | Length of structure
* 0x02 | Handle | WORD | Unique handle
* 0x04 | Grp No | WORD | 0 for single segment
* 0x06 | Bus No | BYTE | PCI Bus
* 0x07 | Dev No | BYTE | PCI Device/Function No
* 0x08 | MAC | 32B | MAC addr padded w/ 0s
* 0x28 | Port No| BYTE | Each NIC maps to a Port
*/
printf("HP BIOS PXE NIC PCI and MAC Information\n");
if (h->length < 0x0E) break;
/* If the record isn't long enough, we don't have an ID
* use 0xFF to use the internal counter.
* */
nic = h->length > 0x28 ? data[0x28] : 0xFF;
dmi_print_hp_net_iface_rec(nic, data[0x06], data[0x07],
&data[0x08]);
break;
case 212:
/*
* Vendor Specific: HP 64-bit CRU Information
*
* Source: hpwdt kernel driver
*/
printf("HP 64-bit CRU Information\n");
if (h->length < 0x18) break;
printf("\tSignature: 0x%08x", DWORD(data + 0x04));
if (is_printable(data + 0x04, 4))
printf(" (%c%c%c%c)", data[0x04], data[0x05],
data[0x06], data[0x07]);
printf("\n");
if (DWORD(data + 0x04) == 0x55524324)
{
u64 paddr = QWORD(data + 0x08);
paddr.l += DWORD(data + 0x14);
if (paddr.l < DWORD(data + 0x14))
paddr.h++;
printf("\tPhysical Address: 0x%08x%08x\n",
paddr.h, paddr.l);
printf("\tLength: 0x%08x\n", DWORD(data + 0x10));
}
break;
case 219:
/*
* Vendor Specific: HP ProLiant Information
*
* Source: hpwdt kernel driver
*/
printf("HP ProLiant Information\n");
if (h->length < 0x08) break;
printf("\tPower Features: 0x%08x\n", DWORD(data + 0x04));
if (h->length < 0x0C) break;
printf("\tOmega Features: 0x%08x\n", DWORD(data + 0x08));
if (h->length < 0x14) break;
feat = DWORD(data + 0x10);
printf("\tMisc. Features: 0x%08x\n", feat);
printf("\t\tiCRU: %s\n", feat & 0x0001 ? "Yes" : "No");
printf("\t\tUEFI: %s\n", feat & 0x0408 ? "Yes" : "No");
break;
default:
return 0;
}
return 1;
}
/*
* Acer-specific data structures are decoded here.
*/
static int dmi_decode_acer(const struct dmi_header *h)
{
u8 *data = h->data;
u16 cap;
switch (h->type)
{
case 170:
/*
* Vendor Specific: Acer Hotkey Function
*
* Source: acer-wmi kernel driver
*
* Probably applies to some laptop models of other
* brands, including Fujitsu-Siemens, Medion, Lenovo,
* and eMachines.
*/
printf("Acer Hotkey Function\n");
if (h->length < 0x0F) break;
cap = WORD(data + 0x04);
printf("\tFunction bitmap for Communication Button: 0x%04hx\n", cap);
printf("\t\tWiFi: %s\n", cap & 0x0001 ? "Yes" : "No");
printf("\t\t3G: %s\n", cap & 0x0040 ? "Yes" : "No");
printf("\t\tWiMAX: %s\n", cap & 0x0080 ? "Yes" : "No");
printf("\t\tBluetooth: %s\n", cap & 0x0800 ? "Yes" : "No");
printf("\tFunction bitmap for Application Button: 0x%04hx\n", WORD(data + 0x06));
printf("\tFunction bitmap for Media Button: 0x%04hx\n", WORD(data + 0x08));
printf("\tFunction bitmap for Display Button: 0x%04hx\n", WORD(data + 0x0A));
printf("\tFunction bitmap for Others Button: 0x%04hx\n", WORD(data + 0x0C));
printf("\tCommunication Function Key Number: %d\n", data[0x0E]);
break;
default:
return 0;
}
return 1;
}
/*
* Dispatch vendor-specific entries decoding
* Return 1 if decoding was successful, 0 otherwise
*/
int dmi_decode_oem(const struct dmi_header *h)
{
switch (dmi_vendor)
{
case VENDOR_HP:
return dmi_decode_hp(h);
case VENDOR_ACER:
return dmi_decode_acer(h);
default:
return 0;
}
}