Tech Support > Microsoft Windows > Drivers > IOCTL, DMA questions?
IOCTL, DMA questions?
Posted by Don Burn on October 10th, 2007



"May" <May@discussions.microsoft.com> wrote in message
news:B6764880-0DEC-4A67-94F5-311BACE876D3@microsoft.com...
No. you cannot. You can have only one of the four types. Note:
METHOD_XXX_DIRECT has two buffers, one copied and one with a MDL, so unless
you are talking large data buffers just use them this way.


--
Don Burn (MVP, Windows DDK)
Windows 2k/XP/2k3 Filesystem and Driver Consulting
Website: http://www.windrvr.com
Blog: http://msmvps.com/blogs/WinDrvr
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