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#include 

#include 

#include 

#include 

#include 

#include 

#define pr_info  printf

{

    return malloc(len);

};

 * DMI stands for "Desktop Management Interface".  It is part

 * of and an antecedent to, SMBIOS, which stands for System

 * Management BIOS.  See further: http://www.dmtf.org/standards

 */

static const char dmi_empty_string[] = "        ";

/*

 * Catch too early calls to dmi_check_system():

 */

static int dmi_initialized;

static char dmi_ids_string[128];

	const char *device;

	const char *bank;

	u16 handle;

} *dmi_memdev;

static int dmi_memdev_nr;

{

    const u8 *bp = ((u8 *) dm) + dm->length;

        s--;

        while (s > 0 && *bp) {

            bp += strlen(bp) + 1;

            s--;

        }

            size_t len = strlen(bp)+1;

            size_t cmp_len = len > 8 ? 8 : len;

                return dmi_empty_string;

            return bp;

        }

    }

}

{

    const char *bp = dmi_string_nosave(dm, s);

    char *str;

    size_t len;

        return dmi_empty_string;

    str = dmi_alloc(len);

    if (str != NULL)

        strcpy(str, bp);

}

 *	We have to be cautious here. We have seen BIOSes with DMI pointers

 *	pointing to completely the wrong place for example

 */

static void dmi_table(u8 *buf, int len, int num,

		      void (*decode)(const struct dmi_header *, void *),

		      void *private_data)

{

	u8 *data = buf;

	int i = 0;

	 *	Stop when we see all the items the table claimed to have

	 *	OR we run off the end of the table (also happens)

	 */

	while ((i < num) && (data - buf + sizeof(struct dmi_header)) <= len) {

		const struct dmi_header *dm = (const struct dmi_header *)data;

		 *  We want to know the total length (formatted area and

		 *  strings) before decoding to make sure we won't run off the

		 *  table in dmi_decode or dmi_string

		 */

		data += dm->length;

		while ((data - buf < len - 1) && (data[0] || data[1]))

			data++;

		if (data - buf < len - 1)

			decode(dm, private_data);

		data += 2;

		i++;

	}

}

static u16 dmi_len;

static u16 dmi_num;

        void *))

{

	u8 *buf;

	if (buf == NULL)

		return -1;

}

{

    u8 sum = 0;

    int a;

        sum += buf[a];

}

static LIST_HEAD(dmi_devices);

int dmi_available;

 *  Save a DMI string

 */

static void __init dmi_save_ident(const struct dmi_header *dm, int slot,

        int string)

{

    const char *d = (const char *) dm;

    const char *p;

        return;

    if (p == NULL)

        return;

}

        int index)

{

    const u8 *d = (u8 *) dm + index;

    char *s;

    int is_ff = 1, is_00 = 1, i;

        return;

        if (d[i] != 0x00)

            is_00 = 0;

        if (d[i] != 0xFF)

            is_ff = 0;

    }

        return;

    if (!s)

        return;

     * As of version 2.6 of the SMBIOS specification, the first 3 fields of

     * the UUID are supposed to be little-endian encoded.  The specification

     * says that this is the defacto standard.

     */

    if (dmi_ver >= 0x0206)

        sprintf(s, "%pUL", d);

    else

        sprintf(s, "%pUB", d);

}

        int index)

{

    const u8 *d = (u8 *) dm + index;

    char *s;

        return;

    if (!s)

        return;

    dmi_ident[slot] = s;

}

{

    struct dmi_device *dev;

    if (dmi_find_device(type, name, NULL))

        return;

    if (!dev)

        return;

    strcpy((char *)(dev + 1), name);

    dev->name = (char *)(dev + 1);

    dev->device_data = NULL;

    list_add(&dev->list, &dmi_devices);

}

{

    int i, count = (dm->length - sizeof(struct dmi_header)) / 2;

        const char *d = (char *)(dm + 1) + (i * 2);

        if ((*d & 0x80) == 0)

            continue;

    }

}

{

    int i, count = *(u8 *)(dm + 1);

    struct dmi_device *dev;

        const char *devname = dmi_string(dm, i);

            continue;

        if (!dev)

            break;

        dev->name = devname;

        dev->device_data = NULL;

    }

}

{

	struct dmi_device *dev;

	void *data;

	if (data == NULL)

		return;

	if (!dev)

		return;

	dev->name = "IPMI controller";

	dev->device_data = data;

}

					int devfn, const char *name)

{

	struct dmi_dev_onboard *onboard_dev;

	if (!onboard_dev)

		return;

	onboard_dev->segment = segment;

	onboard_dev->bus = bus;

	onboard_dev->devfn = devfn;

	onboard_dev->dev.type = DMI_DEV_TYPE_DEV_ONBOARD;

	onboard_dev->dev.name = (char *)&onboard_dev[1];

	onboard_dev->dev.device_data = onboard_dev;

}

{

	const u8 *d = (u8 *) dm + 5;

	if ((*d & 0x80) == 0)

		return;

			     dmi_string_nosave(dm, *(d-1)));

	dmi_save_one_device(*d & 0x7f, dmi_string_nosave(dm, *(d - 1)));

 *  Process a DMI table entry. Right now all we care about are the BIOS

 *  and machine entries. For 2.5 we should pull the smbus controller info

 *  out of here.

 */

static void __init dmi_decode(const struct dmi_header *dm, void *dummy)

{

    switch (dm->type) {

    case 0:     /* BIOS Information */

        dmi_save_ident(dm, DMI_BIOS_VENDOR, 4);

        dmi_save_ident(dm, DMI_BIOS_VERSION, 5);

        dmi_save_ident(dm, DMI_BIOS_DATE, 8);

        break;

    case 1:     /* System Information */

        dmi_save_ident(dm, DMI_SYS_VENDOR, 4);

        dmi_save_ident(dm, DMI_PRODUCT_NAME, 5);

        dmi_save_ident(dm, DMI_PRODUCT_VERSION, 6);

        dmi_save_ident(dm, DMI_PRODUCT_SERIAL, 7);

        dmi_save_uuid(dm, DMI_PRODUCT_UUID, 8);

        break;

    case 2:     /* Base Board Information */

        dmi_save_ident(dm, DMI_BOARD_VENDOR, 4);

        dmi_save_ident(dm, DMI_BOARD_NAME, 5);

        dmi_save_ident(dm, DMI_BOARD_VERSION, 6);

        dmi_save_ident(dm, DMI_BOARD_SERIAL, 7);

        dmi_save_ident(dm, DMI_BOARD_ASSET_TAG, 8);

        break;

    case 3:     /* Chassis Information */

        dmi_save_ident(dm, DMI_CHASSIS_VENDOR, 4);

        dmi_save_type(dm, DMI_CHASSIS_TYPE, 5);

        dmi_save_ident(dm, DMI_CHASSIS_VERSION, 6);

        dmi_save_ident(dm, DMI_CHASSIS_SERIAL, 7);

        dmi_save_ident(dm, DMI_CHASSIS_ASSET_TAG, 8);

        break;

    case 10:    /* Onboard Devices Information */

        dmi_save_devices(dm);

        break;

    case 11:    /* OEM Strings */

        dmi_save_oem_strings_devices(dm);

        break;

    case 38:    /* IPMI Device Information */

        dmi_save_ipmi_device(dm);

        break;

    case 41:    /* Onboard Devices Extended Information */

        dmi_save_extended_devices(dm);

    }

}

{

	int c = 0;

	const char *p;

		return c;

		if (isprint(*p))

			c += scnprintf(buf + c, len - c, "%c", *p);

		else

			c += scnprintf(buf + c, len - c, "\\x%02x", *p & 0xff);

	return c;

}

{

    int c = 0;

    const char *board;  /* Board Name is optional */

                dmi_get_system_info(DMI_SYS_VENDOR));

    c += scnprintf(buf + c, len - c, " ");

    c += print_filtered(buf + c, len - c,

                dmi_get_system_info(DMI_PRODUCT_NAME));

    if (board) {

        c += scnprintf(buf + c, len - c, "/");

        c += print_filtered(buf + c, len - c, board);

    }

    c += scnprintf(buf + c, len - c, ", BIOS ");

    c += print_filtered(buf + c, len - c,

                dmi_get_system_info(DMI_BIOS_VERSION));

    c += scnprintf(buf + c, len - c, " ");

    c += print_filtered(buf + c, len - c,

                dmi_get_system_info(DMI_BIOS_DATE));

}

 * Check for DMI/SMBIOS headers in the system firmware image.  Any

 * SMBIOS header must start 16 bytes before the DMI header, so take a

 * 32 byte buffer and check for DMI at offset 16 and SMBIOS at offset

 * 0.  If the DMI header is present, set dmi_ver accordingly (SMBIOS

 * takes precedence) and return 0.  Otherwise return 1.

 */

static int __init dmi_present(const u8 *buf)

{

    int smbios_ver;

        buf[5] < 32 && dmi_checksum(buf, buf[5])) {

        smbios_ver = (buf[6] << 8) + buf[7];

        switch (smbios_ver) {

        case 0x021F:

        case 0x0221:

            pr_debug("SMBIOS version fixup(2.%d->2.%d)\n",

                 smbios_ver & 0xFF, 3);

            smbios_ver = 0x0203;

            break;

        case 0x0233:

            pr_debug("SMBIOS version fixup(2.%d->2.%d)\n", 51, 6);

            smbios_ver = 0x0206;

            break;

        }

    } else {

        smbios_ver = 0;

    }

        dmi_num = (buf[13] << 8) | buf[12];

        dmi_len = (buf[7] << 8) | buf[6];

        dmi_base = (buf[11] << 24) | (buf[10] << 16) |

            (buf[9] << 8) | buf[8];

            if (smbios_ver) {

                dmi_ver = smbios_ver;

                pr_info("SMBIOS %d.%d present.\n",

                       dmi_ver >> 8, dmi_ver & 0xFF);

            } else {

                dmi_ver = (buf[14] & 0xF0) << 4 |

                       (buf[14] & 0x0F);

                pr_info("Legacy DMI %d.%d present.\n",

                       dmi_ver >> 8, dmi_ver & 0xFF);

            }

			dmi_format_ids(dmi_ids_string, sizeof(dmi_ids_string));

			printk(KERN_DEBUG "DMI: %s\n", dmi_ids_string);

            return 0;

        }

    }

}

{

    char __iomem *p, *q;

	char buf[32];

     * Iterate over all possible DMI header addresses q.

     * Maintain the 32 bytes around q in buf.  On the

     * first iteration, substitute zero for the

     * out-of-range bytes so there is no chance of falsely

     * detecting an SMBIOS header.

     */

    memset(buf, 0, 16);

    for (q = p; q < p + 0x10000; q += 16) {

        memcpy(buf + 16, q, 16);

        if (!dmi_present(buf)) {

            dmi_available = 1;

            goto out;

        }

        memcpy(buf, buf + 16, 16);

    }

 error:

    pr_info("DMI not present or invalid.\n");

 out:

    dmi_initialized = 1;

}

/**

 *	dmi_matches - check if dmi_system_id structure matches system DMI data

 *	@dmi: pointer to the dmi_system_id structure to check

 */

static bool dmi_matches(const struct dmi_system_id *dmi)

{

	int i;

		int s = dmi->matches[i].slot;

		if (s == DMI_NONE)

			break;

		if (dmi_ident[s]) {

			if (!dmi->matches[i].exact_match &&

			    strstr(dmi_ident[s], dmi->matches[i].substr))

				continue;

			else if (dmi->matches[i].exact_match &&

				 !strcmp(dmi_ident[s], dmi->matches[i].substr))

				continue;

		}

		return false;

	}

	return true;

}

 *	dmi_is_end_of_table - check for end-of-table marker

 *	@dmi: pointer to the dmi_system_id structure to check

 */

static bool dmi_is_end_of_table(const struct dmi_system_id *dmi)

{

	return dmi->matches[0].slot == DMI_NONE;

}

 *	dmi_check_system - check system DMI data

 *	@list: array of dmi_system_id structures to match against

 *		All non-null elements of the list must match

 *		their slot's (field index's) data (i.e., each

 *		list string must be a substring of the specified

 *		DMI slot's string data) to be considered a

 *		successful match.

 *

 *	Walk the blacklist table running matching functions until someone

 *	returns non zero or we hit the end. Callback function is called for

 *	each successful match. Returns the number of matches.

 */

int dmi_check_system(const struct dmi_system_id *list)

{

	int count = 0;

	const struct dmi_system_id *d;

		if (dmi_matches(d)) {

			count++;

			if (d->callback && d->callback(d))

				break;

		}

}

EXPORT_SYMBOL(dmi_check_system);

 *  dmi_get_system_info - return DMI data value

 *  @field: data index (see enum dmi_field)

 *

 *  Returns one DMI data value, can be used to perform

 *  complex DMI data checks.

 */

const char *dmi_get_system_info(int field)

{

    return dmi_ident[field];

}

EXPORT_SYMBOL(dmi_get_system_info);

/**

 *	dmi_find_device - find onboard device by type/name

 *	@type: device type or %DMI_DEV_TYPE_ANY to match all device types

 *	@name: device name string or %NULL to match all

 *	@from: previous device found in search, or %NULL for new search.

 *

 *	Iterates through the list of known onboard devices. If a device is

 *	found with a matching @vendor and @device, a pointer to its device

 *	structure is returned.  Otherwise, %NULL is returned.

 *	A new search is initiated by passing %NULL as the @from argument.

 *	If @from is not %NULL, searches continue from next device.

 */

const struct dmi_device *dmi_find_device(int type, const char *name,

				    const struct dmi_device *from)

{

	const struct list_head *head = from ? &from->list : &dmi_devices;

	struct list_head *d;

		const struct dmi_device *dev =

			list_entry(d, struct dmi_device, list);

		    ((name == NULL) || (strcmp(dev->name, name) == 0)))

			return dev;

	}

}

EXPORT_SYMBOL(dmi_find_device);