Date: Sat, 27 Aug 2005 19:09:25 +0530 From: "Kamal R. Prasad" <kamalpr@gmail.com> To: hselasky@c2i.net Cc: freebsd-hackers@freebsd.org Subject: Re: Is d_mmap used ? Message-ID: <ac7deb5050827063919a3a87f@mail.gmail.com> In-Reply-To: <200508271455.51420.hselasky@c2i.net> References: <200508271455.51420.hselasky@c2i.net>
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When you mmap() a device, the d_mmap member is used.
eg:- fd =3D open("/dev/abc", O_RDWR);
my_addr =3D mmap(fd,...);
regards
-kamal
On 8/27/05, Hans Petter Selasky <hselasky@c2i.net> wrote:
> Hi,
>=20
>=20
>=20
> I'm working on porting "/sys/fs/devfs" to NetBSD, and I noticed that it
> doesn't call "d_mmap" in "struct cdevsw". So is memory mapping of devices=
in
> "/dev" not supported. Or is "d_mmap" called from somewhere else ?
>=20
>=20
>=20
> --HPS
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