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#define INCL_VIO
 
typedef struct _VIOPHYSBUF {    /* viopb */
    PBYTE pBuf;
    ULONG cb;
    SEL   asel[1];
} VIOPHYSBUF;
 
The VIOPHYSBUF structure contains information about the physical video
buffer.
 
Field    Description
────────────────────────────────────────────────────────────────────────────
 
pBuf     Points to the physical video buffer. The address must be in the
         range 0x000A0000 through 0x000BFFFF; this depends on the display
         adapter and the video mode.
 
cb       Specifies the length of the physical video buffer (in bytes).
 
asel[1]  Specifies the array that receives the selectors used to address the
         physical video buffer. If more than one selector is received, the
         first selector addresses the first 64K bytes of the physical video
         buffer, the second selector addresses the next 64K bytes, and so
         on. The number of selectors depends on the actual size of the
         physical buffer as specified by the cb field. The last selector may
         address less than 64K bytes of buffer.
 
Comments
 
The actual size of the asel[1] field depends on the size of physical memory.
The program must ensure that there is adequate space to receive all
selectors.
 
See Also
 
VioGetPhysBuf
 
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