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Date:      Sat, 23 May 2015 19:27:30 -0600
From:      jd1008 <jd1008@gmail.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: Map virtual address to physical address
Message-ID:  <55612902.8090402@gmail.com>
In-Reply-To: <CAGf2gkN_BPvA2AK9mdbM+cwyGVfF1Y=sOcc_AgV1711vGY499A@mail.gmail.com>
References:  <CAGf2gkN_BPvA2AK9mdbM+cwyGVfF1Y=sOcc_AgV1711vGY499A@mail.gmail.com>

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On 05/23/2015 07:17 PM, Pratik Singhal wrote:
> Hello, I need to convert a kernel virtual address to a physical address ,
> as I need to program a DMA controller for the FreeBSD kernel.
>
> Is there any macro/function to do that in the FreeBSD kernel ?
>
> Regards,
> Pratik Singhal
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See macro vtop




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