Hi,

I am involved in porting of WDM driver to UMDF.
In this I have a requirement where I have to enumerate child
device(IRP_MN_QUERY_DEVICE_RELATIONS handling).
Can you please help me in understansding how child device enumeration
is handled in UMDF?

Thanks!

Regards,
Edal.

Re: Child device Enumeration in UMDF. by Abhishek

Abhishek
Tue Jul 08 16:12:56 CDT 2008

Unfortunately, we currently do not support IRP_MN_QUERY_DEVICE_RELATIONS
handling in UMDF.

<edalquinn@gmail.com> wrote in message
news:672a16b0-07d6-4b6e-8137-d5aca95771cb@a70g2000hsh.googlegroups.com...
> Hi,
>
> I am involved in porting of WDM driver to UMDF.
> In this I have a requirement where I have to enumerate child
> device(IRP_MN_QUERY_DEVICE_RELATIONS handling).
> Can you please help me in understansding how child device enumeration
> is handled in UMDF?
>
> Thanks!
>
> Regards,
> Edal.



Re: Child device Enumeration in UMDF. by Doron

Doron
Tue Jul 08 16:53:14 CDT 2008

but KMDf does have rich support for bus enumeration. see WDFCHILDLIST and
the static enumeration code (src\toaster\bus\dynambus and statbus)

d

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"Abhishek R [MSFT]" <abhishekr@online.microsoft.com> wrote in message
news:ecZEm9T4IHA.3624@TK2MSFTNGP05.phx.gbl...
> Unfortunately, we currently do not support IRP_MN_QUERY_DEVICE_RELATIONS
> handling in UMDF.
>
> <edalquinn@gmail.com> wrote in message
> news:672a16b0-07d6-4b6e-8137-d5aca95771cb@a70g2000hsh.googlegroups.com...
>> Hi,
>>
>> I am involved in porting of WDM driver to UMDF.
>> In this I have a requirement where I have to enumerate child
>> device(IRP_MN_QUERY_DEVICE_RELATIONS handling).
>> Can you please help me in understansding how child device enumeration
>> is handled in UMDF?
>>
>> Thanks!
>>
>> Regards,
>> Edal.
>
>