From: Deepak Saxena <dsaxena@plexity.net>
To: Alex Song <asong@ati.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [Question] PCI device memory management
Date: Fri, 11 Nov 2005 16:56:09 -0800 [thread overview]
Message-ID: <20051112005609.GA25730@plexity.net> (raw)
In-Reply-To: <18860D00A1C724419B900535DB985FB4016140E0@torcaexmb2.atitech.com>
On Nov 11 2005, at 16:53, Alex Song was caught saying:
> Hi,
>
> Our PCI device has a lot of memory and we have to provide memory
> management function for it.
>
> Does kernel already have this mechanism in place?
>
> Or we have to manage it on our own?
I'm guessing what you mean is that there is more memory on the
device then can be mapped in via the outbound window? You will
have to carve it up into chunks and map/unmap regions as needed.
Can you provide a bit more detail on what exactly you need to do?
~Deepak
--
Deepak Saxena - dsaxena@plexity.net - http://www.plexity.net
When law and duty are one, united by religion, you never become fully
conscious, fully aware of yourself. You are always a little less than
an individual. - Frank Herbert
next prev parent reply other threads:[~2005-11-12 0:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-11 21:53 [Question] PCI device memory management Alex Song
2005-11-12 0:56 ` Deepak Saxena [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-11-14 20:20 Alex Song
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