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#include 

#include 

#include "vmwgfx_drv.h"

#include 

#include 

#include "bitmap.h"

struct pci_device {

    uint16_t    domain;

    uint8_t     bus;

    uint8_t     dev;

    uint8_t     func;

    uint16_t    vendor_id;

    uint16_t    device_id;

    uint16_t    subvendor_id;

    uint16_t    subdevice_id;

struct drm_file   *drm_file_handlers[256];

void vmw_driver_thread();

void kms_update();

    kms_init(main_device);

    if( err != 0)

#define SRV_GET_CAPS            3

#define SRV_CREATE_SURFACE      10

#define SRV_DESTROY_SURFACE     11

#define SRV_LOCK_SURFACE        12

#define SRV_UNLOCK_SURFACE      13

#define SRV_RESIZE_SURFACE      14

#define SRV_BLIT_BITMAP         15

#define SRV_BLIT_VIDEO          17

#define SRV_GET_PCI_INFO            20

#define SRV_GET_PARAM               21

#define SRV_I915_GEM_CREATE         22

#define SRV_DRM_GEM_CLOSE           23

#define SRV_I915_GEM_PIN            24

#define SRV_I915_GEM_SET_CACHEING   25

#define SRV_I915_GEM_GET_APERTURE   26

#define SRV_I915_GEM_PWRITE         27

#define SRV_I915_GEM_BUSY           28

#define SRV_I915_GEM_SET_DOMAIN     29

#define SRV_I915_GEM_MMAP           30

#define SRV_I915_GEM_MMAP_GTT       31

#define SRV_I915_GEM_THROTTLE       32

#define SRV_FBINFO                  33

#define SRV_I915_GEM_EXECBUFFER2    34

#define SRV_MASK_UPDATE             35

        case SRV_CREATE_SURFACE:

//            check_input(8);

//            retval = create_surface(main_device, (struct io_call_10*)inp);

            break;

        case SRV_LOCK_SURFACE:

//            retval = lock_surface((struct io_call_12*)inp);

            break;

        case SRV_RESIZE_SURFACE:

//            retval = resize_surface((struct io_call_14*)inp);

            break;

        case SRV_BLIT_BITMAP:

//            srv_blit_bitmap( inp[0], inp[1], inp[2],

//                        inp[3], inp[4], inp[5], inp[6]);

//            blit_tex( inp[0], inp[1], inp[2],

//                    inp[3], inp[4], inp[5], inp[6]);

{

    /* ecx is often an input as well as an output. */

    asm volatile("cpuid"

          "=b" (*ebx),

          "=c" (*ecx),

          "=d" (*edx)

                         unsigned int *eax, unsigned int *ebx,

                         unsigned int *ecx, unsigned int *edx)

{

        *eax = op;

        *ecx = 0;

static void *check_bytes8(const u8 *start, u8 value, unsigned int bytes)

{

        while (bytes) {

                if (*start != value)

                        return (void *)start;

                start++;

                bytes--;

        }

        return NULL;

}

/**

 * memchr_inv - Find an unmatching character in an area of memory.

 * @start: The memory area

 * @c: Find a character other than c

 * @bytes: The size of the area.

 *

 * returns the address of the first character other than @c, or %NULL

 * if the whole buffer contains just @c.

 */

void *memchr_inv(const void *start, int c, size_t bytes)

{

        u8 value = c;

        u64 value64;

        unsigned int words, prefix;

        if (bytes <= 16)

                return check_bytes8(start, value, bytes);

        value64 = value;

#if defined(ARCH_HAS_FAST_MULTIPLIER) && BITS_PER_LONG == 64

        value64 *= 0x0101010101010101;

#elif defined(ARCH_HAS_FAST_MULTIPLIER)

        value64 *= 0x01010101;

        value64 |= value64 << 32;

#else

        value64 |= value64 << 8;

        value64 |= value64 << 16;

        value64 |= value64 << 32;

#endif

        prefix = (unsigned long)start % 8;

        if (prefix) {

                u8 *r;

                prefix = 8 - prefix;

                r = check_bytes8(start, value, prefix);

                if (r)

                        return r;

                start += prefix;

                bytes -= prefix;

        }

        words = bytes / 8;

        while (words) {

                if (*(u64 *)start != value64)

                        return check_bytes8(start, value, 8);

                start += 8;

                words--;

        }

        return check_bytes8(start, value, bytes % 8);

}

int vscnprintf(char *buf, size_t size, const char *fmt, va_list args)

{

    int i;

    i = vsnprintf(buf, size, fmt, args);

    if (likely(i < size))

            return i;

    if (size != 0)

            return size - 1;

    return 0;

}

int scnprintf(char *buf, size_t size, const char *fmt, ...)

{

        va_list args;

        int i;

        va_start(args, fmt);

        i = vscnprintf(buf, size, fmt, args);

        va_end(args);

        return i;

}

#define _U  0x01    /* upper */

#define _L  0x02    /* lower */

#define _D  0x04    /* digit */

#define _C  0x08    /* cntrl */

#define _P  0x10    /* punct */

#define _S  0x20    /* white space (space/lf/tab) */

#define _X  0x40    /* hex digit */

#define _SP 0x80    /* hard space (0x20) */

extern const unsigned char _ctype[];

#define __ismask(x) (_ctype[(int)(unsigned char)(x)])

#define isalnum(c)  ((__ismask(c)&(_U|_L|_D)) != 0)

#define isalpha(c)  ((__ismask(c)&(_U|_L)) != 0)

#define iscntrl(c)  ((__ismask(c)&(_C)) != 0)

#define isdigit(c)  ((__ismask(c)&(_D)) != 0)

#define isgraph(c)  ((__ismask(c)&(_P|_U|_L|_D)) != 0)

#define islower(c)  ((__ismask(c)&(_L)) != 0)

#define isprint(c)  ((__ismask(c)&(_P|_U|_L|_D|_SP)) != 0)

#define ispunct(c)  ((__ismask(c)&(_P)) != 0)

/* Note: isspace() must return false for %NUL-terminator */

#define isspace(c)  ((__ismask(c)&(_S)) != 0)

#define isupper(c)  ((__ismask(c)&(_U)) != 0)

#define isxdigit(c) ((__ismask(c)&(_D|_X)) != 0)

#define isascii(c) (((unsigned char)(c))<=0x7f)

#define toascii(c) (((unsigned char)(c))&0x7f)

//const char hex_asc[] = "0123456789abcdef";

/**

 * hex_to_bin - convert a hex digit to its real value

 * @ch: ascii character represents hex digit

 *

 * hex_to_bin() converts one hex digit to its actual value or -1 in case of bad

 * input.

 */

int hex_to_bin(char ch)

{

    if ((ch >= '0') && (ch <= '9'))

        return ch - '0';

    ch = tolower(ch);

    if ((ch >= 'a') && (ch <= 'f'))

        return ch - 'a' + 10;

    return -1;

}

EXPORT_SYMBOL(hex_to_bin);

/**

 * hex2bin - convert an ascii hexadecimal string to its binary representation

 * @dst: binary result

 * @src: ascii hexadecimal string

 * @count: result length

 *

 * Return 0 on success, -1 in case of bad input.

 */

int hex2bin(u8 *dst, const char *src, size_t count)

{

    while (count--) {

        int hi = hex_to_bin(*src++);

        int lo = hex_to_bin(*src++);

        if ((hi < 0) || (lo < 0))

            return -1;

        *dst++ = (hi << 4) | lo;

    }

    return 0;

}

EXPORT_SYMBOL(hex2bin);

/**

 * hex_dump_to_buffer - convert a blob of data to "hex ASCII" in memory

 * @buf: data blob to dump

 * @len: number of bytes in the @buf

 * @rowsize: number of bytes to print per line; must be 16 or 32

 * @groupsize: number of bytes to print at a time (1, 2, 4, 8; default = 1)

 * @linebuf: where to put the converted data

 * @linebuflen: total size of @linebuf, including space for terminating NUL

 * @ascii: include ASCII after the hex output

 *

 * hex_dump_to_buffer() works on one "line" of output at a time, i.e.,

 * 16 or 32 bytes of input data converted to hex + ASCII output.

 *

 * Given a buffer of u8 data, hex_dump_to_buffer() converts the input data

 * to a hex + ASCII dump at the supplied memory location.

 * The converted output is always NUL-terminated.

 *

 * E.g.:

 *   hex_dump_to_buffer(frame->data, frame->len, 16, 1,

 *          linebuf, sizeof(linebuf), true);

 *

 * example output buffer:

 * 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f  @ABCDEFGHIJKLMNO

 */

void hex_dump_to_buffer(const void *buf, size_t len, int rowsize,

            int groupsize, char *linebuf, size_t linebuflen,

            bool ascii)

{

    const u8 *ptr = buf;

    u8 ch;

    int j, lx = 0;

    int ascii_column;

    if (rowsize != 16 && rowsize != 32)

        rowsize = 16;

    if (!len)

        goto nil;

    if (len > rowsize)      /* limit to one line at a time */

        len = rowsize;

    if ((len % groupsize) != 0) /* no mixed size output */

        groupsize = 1;

    switch (groupsize) {

    case 8: {

        const u64 *ptr8 = buf;

        int ngroups = len / groupsize;

        for (j = 0; j < ngroups; j++)

            lx += scnprintf(linebuf + lx, linebuflen - lx,

                    "%s%16.16llx", j ? " " : "",

                    (unsigned long long)*(ptr8 + j));

        ascii_column = 17 * ngroups + 2;

        break;

    }

    case 4: {

        const u32 *ptr4 = buf;

        int ngroups = len / groupsize;

        for (j = 0; j < ngroups; j++)

            lx += scnprintf(linebuf + lx, linebuflen - lx,

                    "%s%8.8x", j ? " " : "", *(ptr4 + j));

        ascii_column = 9 * ngroups + 2;

        break;

    }

    case 2: {

        const u16 *ptr2 = buf;

        int ngroups = len / groupsize;

        for (j = 0; j < ngroups; j++)

            lx += scnprintf(linebuf + lx, linebuflen - lx,

                    "%s%4.4x", j ? " " : "", *(ptr2 + j));

        ascii_column = 5 * ngroups + 2;

        break;

    }

    default:

        for (j = 0; (j < len) && (lx + 3) <= linebuflen; j++) {

            ch = ptr[j];

            linebuf[lx++] = hex_asc_hi(ch);

            linebuf[lx++] = hex_asc_lo(ch);

            linebuf[lx++] = ' ';

        }

        if (j)

            lx--;

        ascii_column = 3 * rowsize + 2;

        break;

    }

    if (!ascii)

        goto nil;

    while (lx < (linebuflen - 1) && lx < (ascii_column - 1))

        linebuf[lx++] = ' ';

    for (j = 0; (j < len) && (lx + 2) < linebuflen; j++) {

        ch = ptr[j];

        linebuf[lx++] = (isascii(ch) && isprint(ch)) ? ch : '.';

    }

nil:

    linebuf[lx++] = '\0';

}

/**

 * print_hex_dump - print a text hex dump to syslog for a binary blob of data

 * @level: kernel log level (e.g. KERN_DEBUG)

 * @prefix_str: string to prefix each line with;

 *  caller supplies trailing spaces for alignment if desired

 * @prefix_type: controls whether prefix of an offset, address, or none

 *  is printed (%DUMP_PREFIX_OFFSET, %DUMP_PREFIX_ADDRESS, %DUMP_PREFIX_NONE)

 * @rowsize: number of bytes to print per line; must be 16 or 32

 * @groupsize: number of bytes to print at a time (1, 2, 4, 8; default = 1)

 * @buf: data blob to dump

 * @len: number of bytes in the @buf

 * @ascii: include ASCII after the hex output

 *

 * Given a buffer of u8 data, print_hex_dump() prints a hex + ASCII dump

 * to the kernel log at the specified kernel log level, with an optional

 * leading prefix.

 *

 * print_hex_dump() works on one "line" of output at a time, i.e.,

 * 16 or 32 bytes of input data converted to hex + ASCII output.

 * print_hex_dump() iterates over the entire input @buf, breaking it into

 * "line size" chunks to format and print.

 *

 * E.g.:

 *   print_hex_dump(KERN_DEBUG, "raw data: ", DUMP_PREFIX_ADDRESS,

 *          16, 1, frame->data, frame->len, true);

 *

 * Example output using %DUMP_PREFIX_OFFSET and 1-byte mode:

 * 0009ab42: 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f  @ABCDEFGHIJKLMNO

 * Example output using %DUMP_PREFIX_ADDRESS and 4-byte mode:

 * ffffffff88089af0: 73727170 77767574 7b7a7978 7f7e7d7c  pqrstuvwxyz{|}~.

 */

void print_hex_dump(const char *level, const char *prefix_str, int prefix_type,

            int rowsize, int groupsize,

            const void *buf, size_t len, bool ascii)

{

    const u8 *ptr = buf;

    int i, linelen, remaining = len;

    unsigned char linebuf[32 * 3 + 2 + 32 + 1];

    if (rowsize != 16 && rowsize != 32)

        rowsize = 16;

    for (i = 0; i < len; i += rowsize) {

        linelen = min(remaining, rowsize);

        remaining -= rowsize;

        hex_dump_to_buffer(ptr + i, linelen, rowsize, groupsize,

                   linebuf, sizeof(linebuf), ascii);

        switch (prefix_type) {

        case DUMP_PREFIX_ADDRESS:

            printk("%s%s%p: %s\n",

                   level, prefix_str, ptr + i, linebuf);

            break;

        case DUMP_PREFIX_OFFSET:

            printk("%s%s%.8x: %s\n", level, prefix_str, i, linebuf);

            break;

        default:

            printk("%s%s%s\n", level, prefix_str, linebuf);

            break;

        }

    }

}

void print_hex_dump_bytes(const char *prefix_str, int prefix_type,

                          const void *buf, size_t len)

{

    print_hex_dump(KERN_DEBUG, prefix_str, prefix_type, 16, 1,

                       buf, len, true);

}

#include "vmwgfx_kms.h"

void kms_update();

extern struct drm_device *main_device;

typedef struct

{

    kobj_t     header;

    uint32_t   hot_y;

    struct list_head   list;

    void      *priv;

}cursor_t;

#define CURSOR_WIDTH 64

#define CURSOR_HEIGHT 64

struct tag_display

{

    int  x;

    int  y;

    int  width;

    int  height;

    int  bpp;

    int  vrefresh;

    int  pitch;

    int  lfb;

    int  supported_modes;

    struct drm_device    *ddev;

    struct drm_connector *connector;

    struct drm_crtc      *crtc;

    struct list_head   cursors;

    cursor_t   *cursor;

    int       (*init_cursor)(cursor_t*);

void vmw_driver_thread()

{

    DRM_DEBUG_KMS("%s\n",__FUNCTION__);

    select_cursor_kms(os_display->cursor);

    while(driver_wq_state)

    {

        kms_update();

        delay(2);

    };

     __asm__ __volatile__ (

     "int $0x40"

     ::"a"(-1));

}