Date: Tue, 19 Feb 2002 21:18:01 -0700 (MST) From: "M. Warner Losh" <imp@village.org> To: mike.varga@cavium.com Cc: msmith@FreeBSD.ORG, freebsd-arch@FreeBSD.ORG Subject: Re: reverse vtophys() Message-ID: <20020219.211801.45873766.imp@village.org> In-Reply-To: <004f01c1b96b$a37d1f50$b210a8c0@netscreen5> References: <200202170813.g1H8DAV01750@mass.dis.org> <004f01c1b96b$a37d1f50$b210a8c0@netscreen5>
next in thread | previous in thread | raw e-mail | index | archive | help
In message: <004f01c1b96b$a37d1f50$b210a8c0@netscreen5>
"mike varga" <mike.varga@cavium.com> writes:
: The concept is valid in Linux,
: there is a function that does
: what I am asking.
: bus_to_virtual().
:
: The page is locked
: in memory.
: Therefor there is one valid page
: backed by the physical
: address that corresponds
: to the virtual address that
: I am interested in retrieving?
If you have used the bus_space functions, you could use
rman_get_virtual(r), where r is a struct resource * that you got back
from bus_alloc_resource().
Warner
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-arch" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20020219.211801.45873766.imp>