From owner-freebsd-geom@FreeBSD.ORG Sun Apr 5 12:57:51 2009 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 955A4106564A for ; Sun, 5 Apr 2009 12:57:51 +0000 (UTC) (envelope-from gcubfg-freebsd-geom@m.gmane.org) Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) by mx1.freebsd.org (Postfix) with ESMTP id 125058FC13 for ; Sun, 5 Apr 2009 12:57:50 +0000 (UTC) (envelope-from gcubfg-freebsd-geom@m.gmane.org) Received: from list by ciao.gmane.org with local (Exim 4.43) id 1LqRuy-0005iU-4V for freebsd-geom@freebsd.org; Sun, 05 Apr 2009 12:57:44 +0000 Received: from 93-141-3-137.adsl.net.t-com.hr ([93.141.3.137]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 05 Apr 2009 12:57:44 +0000 Received: from ivoras by 93-141-3-137.adsl.net.t-com.hr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 05 Apr 2009 12:57:44 +0000 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-geom@freebsd.org From: Ivan Voras Date: Sun, 05 Apr 2009 14:57:10 +0200 Lines: 56 Message-ID: References: <20090405175014.6aef7016@fubar.geek.nz> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig49B6A69E10979748D446DDC0" X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 93-141-3-137.adsl.net.t-com.hr User-Agent: Thunderbird 2.0.0.21 (Windows/20090302) In-Reply-To: <20090405175014.6aef7016@fubar.geek.nz> X-Enigmail-Version: 0.95.7 Sender: news Cc: freebsd-embedded@freebsd.org Subject: Re: FreeBSD NAND flash driver X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 05 Apr 2009 12:57:52 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig49B6A69E10979748D446DDC0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Andrew Turner wrote: > I've been working on a FreeBSD NAND flash driver and NAND simulator [1]= =2E > I have tested reading and writing to the simulated NAND device but not > erasing. Hi, Have you seen this: http://lists.freebsd.org/pipermail/freebsd-arch/2009-April/009146.html ? Is the new proposal actually obsolete? > It is not usable yet as the write will not perform any deletes from the= > device, either the file system or another geom will have to issue > a BIO_DELETE followed by BIO_WRITE's to write to the disk. This is done= > to support NAND flash aware file systems. >=20 > TODO: > * ECC support. > * Add GEOM attributes to get information about the NAND device out, > eg. Block size, OOB data, etc. > * Test the erase code. > * Add support for real hardware. > * Read the parameter page on parts that support it to get the required= > information. >=20 > Andrew >=20 > [1] http://fubar.geek.nz/files/freebsd/nand/freebsd-nand-20090405.tar.g= z --------------enig49B6A69E10979748D446DDC0 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAknYqqwACgkQldnAQVacBciaMQCcD7oMrpwaQ6CNIQ8wLgEnWh9F EtEAnA85mbYlPZktJltnIfV1ho3SzGT8 =YD/8 -----END PGP SIGNATURE----- --------------enig49B6A69E10979748D446DDC0--