Re: IOIteratorNext() return 0 on VendorSpecificType00 sample

Subject: Re: IOIteratorNext() return 0 on VendorSpecificType00 sample

From: Chris Sarcone <email@hidden>

Date: Tue, 1 Apr 2008 10:16:20 -0700

Delivered-to: email@hidden

Mark --

I am a newbie to Mac OS X and Mac OS X device driver development.
My purpose is to read/write one sector from/to SATA disk attached on specified controller.
From searching and reading lots of previous mail list, I know that I need to study two sample codes, VendorSpecificType00 and
SimpleUserClient.
My problem is after I compiling the VendoeSpecificType00 and load this driver successfully, then run the SetPropertiesTestTool, this sample AP
failed on while ((service = IOIterator(iter))), so I could never reach kr = IORegisterEntrySetCFProperties(parent, dictRef).

It’s really strange because VendorSpecificType00 sample code should work without problem.
It will be appreciated if anyone could tell me what happened here?

My compile environment is:
Mac Pro: two Xeon inside
SDK: MacOSX10.4u.sdk

Thanks and Best regards!

SATA drives are not exposed via the SCSI stack (unless they sit behind a controller doing translation in hardware/firmware). Just because you have this driver installed, it does not mean that it will match against the SATA drive.

-- Chris

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References:
	>IOIteratorNext() return 0 on VendorSpecificType00 sample (From: "marklu" <email@hidden>)