AW: [ros-kernel] IOMega Zip Drive

[James Tabor]

Hi,
Mike Nordell wrote:
> James Tabor wrote:
> 
> 
>>In include/ntos/disk.h,
>>
>>typedef enum _MEDIA_TYPE
>>{
>>   Unknown,
>>   F5_1Pt2_512,
> 
> [snip]
> 
>>   F5_160_512,
>>   RemovableMedia,
>>   FixedMedia
>>} MEDIA_TYPE;
>>
>>Can we add ZipMedia and check it the same way as a Fixed/Removable Media
> 
> type?
> 
> I think this would be an error.
> 
Yes
> Please see a winioctl.h from MS. It reads:
> 
> typedef enum _STORAGE_MEDIA_TYPE {
>     //
>     // Following are defined in ntdddisk.h in the MEDIA_TYPE enum
>     //
>     // Unknown,                // Format is unknown
>     // F5_1Pt2_512,            // 5.25", 1.2MB,  512 bytes/sector
> [snip]
>     // F8_256_128,             // 8",     256KB,  128 bytes/sector
>     //
> 
>     DDS_4mm = 0x20,            // Tape - DAT DDS1,2,... (all vendors)
>     MiniQic,                   // Tape - miniQIC Tape
> [snip]
>     IOMEGA_ZIP,                // Mag_Disk - Iomega Zip
>     IOMEGA_JAZ,                // Mag_Disk - Iomega Jaz
> [snip]
>     MP2_8mm                    // Tape - 8mm Hitachi
> } STORAGE_MEDIA_TYPE, *PSTORAGE_MEDIA_TYPE;
> 
> 

also in w32api/include/ddk/ntddstor.h

> Please note it explicitly sets DDS_4mm = 0x20, and continues the enumeration
> from there.
> 
> IMO this does _not_ belong in the kernel. I think MS realized that too, once
> they had added 128MB MO's...
> 
> 
>>Or if ZipMedia force a rebuild the Partition table and Geometry?
> 
> 
> I think that for all removable media this should be re-read:
> - where media-change can be detected, only on media change
> - else always
>
Yeap!

BTW there is a int 13 rom call that check to see if the floppy door is open or
closed.

> Please note that devices explicitly supporting media locking falls into the
> first category while the media is locked.
> 
> /Mike
> 

Thanks,
James