199767f8919635c4928607450d9e0abb932109ceToomas Soome * Copyright (c) 2005-2009 Jung-uk Kim <jkim@FreeBSD.org>
199767f8919635c4928607450d9e0abb932109ceToomas Soome * All rights reserved.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Redistribution and use in source and binary forms, with or without
199767f8919635c4928607450d9e0abb932109ceToomas Soome * modification, are permitted provided that the following conditions
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 1. Redistributions of source code must retain the above copyright
199767f8919635c4928607450d9e0abb932109ceToomas Soome * notice, this list of conditions and the following disclaimer.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 2. Redistributions in binary form must reproduce the above copyright
199767f8919635c4928607450d9e0abb932109ceToomas Soome * notice, this list of conditions and the following disclaimer in the
199767f8919635c4928607450d9e0abb932109ceToomas Soome * documentation and/or other materials provided with the distribution.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
199767f8919635c4928607450d9e0abb932109ceToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
199767f8919635c4928607450d9e0abb932109ceToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
199767f8919635c4928607450d9e0abb932109ceToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
199767f8919635c4928607450d9e0abb932109ceToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
199767f8919635c4928607450d9e0abb932109ceToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
199767f8919635c4928607450d9e0abb932109ceToomas Soome * SUCH DAMAGE.
199767f8919635c4928607450d9e0abb932109ceToomas Soome/* In EFI, we don't need PTOV(). */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Detect SMBIOS and export information about the SMBIOS into the
199767f8919635c4928607450d9e0abb932109ceToomas Soome * environment.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * System Management BIOS Reference Specification, v2.6 Final
199767f8919635c4928607450d9e0abb932109ceToomas Soome * http://www.dmtf.org/standards/published_documents/DSP0134_2.6.0.pdf
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 2.1.1 SMBIOS Structure Table Entry Point
199767f8919635c4928607450d9e0abb932109ceToomas Soome * "On non-EFI systems, the SMBIOS Entry Point structure, described below, can
199767f8919635c4928607450d9e0abb932109ceToomas Soome * be located by application software by searching for the anchor-string on
199767f8919635c4928607450d9e0abb932109ceToomas Soome * paragraph (16-byte) boundaries within the physical memory address range
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 000F0000h to 000FFFFFh. This entry point encapsulates an intermediate anchor
199767f8919635c4928607450d9e0abb932109ceToomas Soome * string that is used by some existing DMI browsers."
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define SMBIOS_GET8(base, off) (*(uint8_t *)((base) + (off)))
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define SMBIOS_GET16(base, off) (*(uint16_t *)((base) + (off)))
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define SMBIOS_GET32(base, off) (*(uint32_t *)((base) + (off)))
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define SMBIOS_GETLEN(base) SMBIOS_GET8(base, 0x01)
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define SMBIOS_GETSTR(base) ((base) + SMBIOS_GETLEN(base))
199767f8919635c4928607450d9e0abb932109ceToomas Soomesmbios_checksum(const caddr_t addr, const uint8_t len)
199767f8919635c4928607450d9e0abb932109ceToomas Soomesmbios_sigsearch(const caddr_t addr, const uint32_t len)
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* Search on 16-byte boundaries. */
199767f8919635c4928607450d9e0abb932109ceToomas Soome for (cp = addr; cp < addr + len; cp += SMBIOS_STEP)
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios_checksum(cp, SMBIOS_GET8(cp, 0x05)) == 0 &&
199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic const char*
199767f8919635c4928607450d9e0abb932109ceToomas Soomesmbios_getstring(caddr_t addr, const int offset)
199767f8919635c4928607450d9e0abb932109ceToomas Soomesmbios_setenv(const char *name, caddr_t addr, const int offset)
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define UUID_GET(base, off) (*(UUID_TYPE *)((base) + (off)))
199767f8919635c4928607450d9e0abb932109ceToomas Soomesmbios_setuuid(const char *name, const caddr_t addr, const int ver)
199767f8919635c4928607450d9e0abb932109ceToomas Soome for (i = 0, ones = 0, zeros = 0; i < UUID_SIZE; i += UUID_STEP) {
199767f8919635c4928607450d9e0abb932109ceToomas Soome if (zeros == 0 && n == 0)
199767f8919635c4928607450d9e0abb932109ceToomas Soome if (ones != UUID_ALL_BITS && zeros != UUID_ALL_BITS) {
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 3.3.2.1 System UUID
199767f8919635c4928607450d9e0abb932109ceToomas Soome * "Although RFC 4122 recommends network byte order for all
199767f8919635c4928607450d9e0abb932109ceToomas Soome * fields, the PC industry (including the ACPI, UEFI, and
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Microsoft specifications) has consistently used
199767f8919635c4928607450d9e0abb932109ceToomas Soome * little-endian byte encoding for the first three fields:
199767f8919635c4928607450d9e0abb932109ceToomas Soome * time_low, time_mid, time_hi_and_version. The same encoding,
199767f8919635c4928607450d9e0abb932109ceToomas Soome * also known as wire format, should also be used for the
199767f8919635c4928607450d9e0abb932109ceToomas Soome * SMBIOS representation of the UUID."
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Note: We use network byte order for backward compatibility
199767f8919635c4928607450d9e0abb932109ceToomas Soome * unless SMBIOS version is 2.6+ or little-endian is forced.
199767f8919635c4928607450d9e0abb932109ceToomas Soome byteorder = ver < 0x0206 ? BIG_ENDIAN : LITTLE_ENDIAN;
199767f8919635c4928607450d9e0abb932109ceToomas Soome "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
199767f8919635c4928607450d9e0abb932109ceToomas Soome f1, f2, f3, SMBIOS_GET8(addr, 8), SMBIOS_GET8(addr, 9),
199767f8919635c4928607450d9e0abb932109ceToomas Soome type = SMBIOS_GET8(addr, 0); /* 3.1.2 Structure Header Format */
199767f8919635c4928607450d9e0abb932109ceToomas Soome case 0: /* 3.3.1 BIOS Information (Type 0) */
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios_setenv("smbios.bios.vendor", addr, 0x04);
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios_setenv("smbios.bios.version", addr, 0x05);
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios_setenv("smbios.bios.reldate", addr, 0x08);
199767f8919635c4928607450d9e0abb932109ceToomas Soome case 1: /* 3.3.2 System Information (Type 1) */
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios_setenv("smbios.system.maker", addr, 0x04);
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios_setenv("smbios.system.product", addr, 0x05);
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios_setenv("smbios.system.version", addr, 0x06);
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios_setenv("smbios.system.serial", addr, 0x07);
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios_setuuid("smbios.system.uuid", addr + 0x08, smbios.ver);
3faa67c4f6f8f33a78fe84ef48445aeb0ce858d3Toomas Soome smbios_setenv("smbios.system.sku", addr, 0x19);
3faa67c4f6f8f33a78fe84ef48445aeb0ce858d3Toomas Soome smbios_setenv("smbios.system.family", addr, 0x1a);
199767f8919635c4928607450d9e0abb932109ceToomas Soome case 2: /* 3.3.3 Base Board (or Module) Information (Type 2) */
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios_setenv("smbios.planar.maker", addr, 0x04);
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios_setenv("smbios.planar.product", addr, 0x05);
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios_setenv("smbios.planar.version", addr, 0x06);
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios_setenv("smbios.planar.serial", addr, 0x07);
3faa67c4f6f8f33a78fe84ef48445aeb0ce858d3Toomas Soome smbios_setenv("smbios.planar.tag", addr, 0x08);
3faa67c4f6f8f33a78fe84ef48445aeb0ce858d3Toomas Soome smbios_setenv("smbios.planar.location", addr, 0x0a);
199767f8919635c4928607450d9e0abb932109ceToomas Soome case 3: /* 3.3.4 System Enclosure or Chassis (Type 3) */
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios_setenv("smbios.chassis.maker", addr, 0x04);
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios_setenv("smbios.chassis.version", addr, 0x06);
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios_setenv("smbios.chassis.serial", addr, 0x07);
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios_setenv("smbios.chassis.tag", addr, 0x08);
199767f8919635c4928607450d9e0abb932109ceToomas Soome case 4: /* 3.3.5 Processor Information (Type 4) */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Offset 18h: Processor Status
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Bit 7 Reserved, must be 0
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Bit 6 CPU Socket Populated
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 1 - CPU Socket Populated
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 0 - CPU Socket Unpopulated
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Bit 5:3 Reserved, must be zero
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Bit 2:0 CPU Status
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 0h - Unknown
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 1h - CPU Enabled
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 2h - CPU Disabled by User via BIOS Setup
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 3h - CPU Disabled by BIOS (POST Error)
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 4h - CPU is Idle, waiting to be enabled
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 5-6h - Reserved
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 7h - Other
199767f8919635c4928607450d9e0abb932109ceToomas Soome case 6: /* 3.3.7 Memory Module Information (Type 6, Obsolete) */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Offset 0Ah: Enabled Size
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Bit 7 Bank connection
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 1 - Double-bank connection
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 0 - Single-bank connection
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Bit 6:0 Size (n), where 2**n is the size in MB
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 7Dh - Not determinable (Installed Size only)
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 7Eh - Module is installed, but no memory
199767f8919635c4928607450d9e0abb932109ceToomas Soome * has been enabled
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 7Fh - Not installed
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios.old_enabled_memory += 1 << (osize + 10);
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Offset 0Ch: Size
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Bit 15 Granularity
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 1 - Value is in kilobytes units
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 0 - Value is in megabytes units
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Bit 14:0 Size
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios.enabled_memory += (size & 0x8000) != 0 ?
199767f8919635c4928607450d9e0abb932109ceToomas Soome default: /* skip other types */
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* Find structure terminator. */
199767f8919635c4928607450d9e0abb932109ceToomas Soome dmi < smbios.addr + smbios.length && i < smbios.count; i++) {
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* Find structure terminator. */
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* Search signatures and validate checksums. */
199767f8919635c4928607450d9e0abb932109ceToomas Soome saddr = smbios_sigsearch(addr ? addr : PTOV(SMBIOS_START),
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios.length = SMBIOS_GET16(saddr, 0x16); /* Structure Table Length */
199767f8919635c4928607450d9e0abb932109ceToomas Soome paddr = SMBIOS_GET32(saddr, 0x18); /* Structure Table Address */
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios.count = SMBIOS_GET16(saddr, 0x1c); /* No of SMBIOS Structures */
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios.ver = SMBIOS_GET8(saddr, 0x1e); /* SMBIOS BCD Revision */
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios.major = SMBIOS_GET8(saddr, 0x06);/* SMBIOS Major Version */
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios.minor = SMBIOS_GET8(saddr, 0x07);/* SMBIOS Minor Version */
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios.ver = (smbios.major << 8) | smbios.minor;
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* Get system information from SMBIOS */
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios.bios_vendor = smbios_getstring(info, 0x04);
199767f8919635c4928607450d9e0abb932109ceToomas Soome dmi < smbios.addr + smbios.length && i < smbios.count; i++)
199767f8919635c4928607450d9e0abb932109ceToomas Soome sprintf(buf, "%d.%d", smbios.major, smbios.minor);
199767f8919635c4928607450d9e0abb932109ceToomas Soome if (smbios.enabled_memory > 0 || smbios.old_enabled_memory > 0) {
199767f8919635c4928607450d9e0abb932109ceToomas Soome smbios.enabled_memory : smbios.old_enabled_memory);
199767f8919635c4928607450d9e0abb932109ceToomas Soomesmbios_match_str(const char* s1, const char* s2)
199767f8919635c4928607450d9e0abb932109ceToomas Soome return (s1 == NULL || (s2 != NULL && !strcmp(s1, s2)));
199767f8919635c4928607450d9e0abb932109ceToomas Soomesmbios_match(const char* bios_vendor, const char* maker,
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* XXXRP currently, only called from non-EFI. */