How do i make pseudo-driver support hot plugin?

How do i make pseudo-driver support hot plugin?


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Posted by kiran on August 27, 2001 at 19:50:47:

Hi,
I have written a pseudo driver which intercepts writes to the disk.

My problem is -
when i do drvconfig on solaris.....it is triggering SD(SCSI disk driver) to create device special files.
if SD has already created device special files for disk1, then when i add another disk(daisy chain)....did drvconfig....which again triggers SD to create device special files for this new disk. This is absolutely perfect.
But drvconfig is not triggering my pseudo driver to create new instances for new disks.

drvconfig is triggering my pseudo driver only if it is not added by add_drv i.e. pseudo driver is not installed. Once my driver is installed, then drvconfig is not at all triggering pseudo driver but triggers SD.

I need to fix this customer requirement of adding new disks when pseudo driver is already installed....my pseudo driver should see dynamically added new disks.

One more question.....is there a way to trigger kernel to call pseudo drivers attach entry point? this will also help me to solve my problem.

Please help me and let me know ASAP.

thanks
regards
kiran



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