Sorry about separated Questions.

How can i figure out pfnTranserCompleteNotify callback from read or write?
and its buffers information.

i wanna write encryption/decryption filter for HDD Image. am i right way??

Thanks..




2014-08-29 14:44 GMT+09:00 Woof <[email protected]>:

> Hm..
>
> I fixed crash, it was in below interface.
>
> these code could not get pfnDiscard and pfnStartDiscard members.
> pThis->pIMediaBelow      = PDMIBASE_QUERY_INTERFACE(pIBaseBelow,
> PDMIMEDIA);
> pThis->pIMediaAsyncBelow = PDMIBASE_QUERY_INTERFACE(pIBaseBelow,
> PDMIMEDIAASYNC);
>
> Actually, below is DrvVD. it has allocated drvvdDiskcard(),
> drvvdStartDiscard(). but members are NULL.
>
> so.. I tried to assign these functions using debugger, it does not make
> crash but does not work.
>
> finally, i modified when it call below driver interface member, if the
> interface member is null, just return success(0). it seems like no problem.
>
> *If this sample is still valid, should be fixed these point.*
> ** it needs pfnGetSectorsize member in iMedia*
> ** Checks below interface functions pointer*
>
> thanks~
>
>
> ps.. I do not know when that members are ignored.. ;(
>
>
>
>
>
>
>
> 2014-08-29 11:33 GMT+09:00 Woof <[email protected]>:
>
>
>> I treid DrvStoregeFilter sample, but it makes crash. because PDMIMEDIA
>> does not have pfnGetSectorSize member.
>>
>> so add that function but still occur access violation on running time. ;(
>>
>> I wanna to know this sample is not supported now?
>>
>> working on 4.3.12 (4.3.14 makes crash with A/Vs..)
>>
>> I hope just not updated problem.. :|
>>
>> Thanks. :D
>>
>>
>>
>>
>>
>
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