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Date:      Fri, 21 Apr 2006 17:25:21 +0800
From:      <hongz@promisechina.com>
To:        <freebsd-questions@freebsd.org>
Subject:   How to do physical-to-virtual translation in FreeBSD? Does FreeBSD support kmap() or kmap_atomic()? 
Message-ID:  <1145611532$3858$69432506@hongz@promisechina.com>

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Hi guys:

 

We are doing HBA driver (Soft Raid5) porting from Linux to FreeBSD. As we
need to do XOR in kernel space, we need to map a physical address into a
virtual address. In Linux, we use kmap_atomic() to implement it, and could
you tell me how to do it in FreeBSD? Thank for your help!

 

Best wishes,

 

Hong Zhao

 




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