Re: Multiple IOMedia objects creation in Filter Scheme Driver
Re: Multiple IOMedia objects creation in Filter Scheme Driver
- Subject: Re: Multiple IOMedia objects creation in Filter Scheme Driver
- From: Garth Cummings <email@hidden>
- Date: Mon, 21 Feb 2005 10:57:54 -0800
Hi Mekhala,
On Feb 21, 2005, at 5:33 AM, Mekhala wrote:
Hi,
I have 3 partitions created on a disk and have written a filter scheme
driver, which matches on ContentHint property of these partitions and
successfully loads my driver. But after loading the driver, it is
exposing only one IOMedia object instead of 3 IOMedia objects for all
3 partitions. For this I have created one media object in the start()
routine in my filter scheme driver as mentioned in
SampleFilterSchemeDriver code in Mass_Storage.pdf
If I want to expose all the partitions as IOMedia objects through my
filter scheme driver then How will i create IOMedia objects for all
partitions
and how will I iterate through all the IOMedia objects created by my
driver from user space application.
If your driver is set up properly you should have a separate instance
of the driver loaded for each partition, and each instance will publish
a new IOMedia object.
Can you please run "ioreg -lw 0" and post the part of the output where
it shows your three partitions? That will help us understand what
behavior you're seeing.
Thanks,
--gc
__________________________________________________________________
Garth Cummings
Apple Developer Technical Support email@hidden
http://developer.apple.com/technicalsupport
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