- Scsi/Ndis miniport drivers don't belong to WDM drivers??
- Posted by Charles on September 9th, 2004
Hi,
Somebody told me that the Scsi / Ndis miniport drivers don't belong to WDM
driver.
Is that true?
Thanks
- Posted by Gary G. Little on September 9th, 2004
Yup, that's true.
--
The personal opinion of
Gary G. Little
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- Posted by Maxim S. Shatskih on September 9th, 2004
Yes, they are plugged into NDIS.SYS and SCSIPORT.SYS, and these 2 are WDM
in turn.
--
Maxim Shatskih, Windows DDK MVP
StorageCraft Corporation
maxim@storagecraft.com
http://www.storagecraft.com
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- Posted by Stephan Wolf on September 9th, 2004
"Charles" <charles_lin@jadecom.com.tw> wrote in message news:<#FAE5EhlEHA.3476@tk2msftngp13.phx.gbl>...
Yes, NDIS drivers are not WDM drivers. NDIS is a world of its own and
the "NDIS Wrapper" (NDIS.SYS) completely isolates NDIS miniports from
the rest of the OS (kernel). NDIS miniport drivers can, however, sit
on top of WDM drivers.
Don't know about SCSI.
Stephan
- Posted by Don Burn on September 9th, 2004
Yes it is true. There is an NDIS/WDM driver which has a miniport interface
on the top, but can use the WDM routines, this can get confusing since you
have to think carefully whether you need a function from WDM or NDIS for a
given operation.
Microsoft is working on a framework called WDF to simplify driver
development. As part of this, there will be a new model for storage and
networking that fits the framework. Since WDF provides a number of ways to
get at the underlying WDM objects, this will prove very interesting for
storage and networks.
--
Don Burn (MVP, Windows DDK)
Windows 2k/XP/2k3 Filesystem and Driver Consulting
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