From: Christoph Hellwig <hch@lst.de>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>,
linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [patch 6/7] ps3: ROM Storage Driver
Date: Tue, 29 May 2007 12:51:19 +0200 [thread overview]
Message-ID: <20070529105119.GD29351@lst.de> (raw)
In-Reply-To: <200705252304.30396.arnd@arndb.de>
On Fri, May 25, 2007 at 11:04:29PM +0200, Arnd Bergmann wrote:
> On Friday 25 May 2007, Geert Uytterhoeven wrote:
> >
> > > What is the problem? Is there infrastructure missing in the
> > > CD-ROM layer?
> >
> > As the CD/DVD/BD part just accepts SCSI/ATAPI commands (except for plain
> > read/write), I was suggested to keep it as a SCSI driver.
>
> Ok, so I guess the tradeoff here is that by writing it as a SCSI
> driver, you don't need to implement any of the cdrom_device_ops
> yourself but instead need to fake a few of the SCSI commands
> in ps3rom_request(). Fair enough.
ps3rom is just a normal scsi low level driver. Currently the only
attached devices or MMC devices so the sr driver attaches to it,
but if you want to hack the ps3 hardware you should be able to
attach a tape or disk aswell, and linux would work (lv1 and gameos
might of course not like this)
next prev parent reply other threads:[~2007-05-29 10:51 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-25 8:36 [patch 0/7] RFC: PS3 Storage Drivers Geert.Uytterhoeven
2007-05-25 8:36 ` [patch 1/7] ps3: Preallocate bootmem memory for the PS3 FLASH ROM storage driver Geert.Uytterhoeven
2007-05-25 22:35 ` Benjamin Herrenschmidt
2007-05-26 8:51 ` Geert Uytterhoeven
2007-05-26 22:17 ` Benjamin Herrenschmidt
2007-05-27 18:24 ` Arnd Bergmann
2007-05-25 8:36 ` [patch 2/7] ps3: Extract ps3_repository_find_bus() Geert.Uytterhoeven
2007-05-25 8:36 ` [patch 3/7] ps3: Storage Driver Core Geert.Uytterhoeven
2007-05-25 8:36 ` [patch 4/7] ps3: Storage Driver Probing Geert.Uytterhoeven
2007-05-25 16:18 ` Arnd Bergmann
2007-05-25 17:09 ` Geoff Levand
2007-05-25 19:48 ` Geert Uytterhoeven
2007-05-25 22:54 ` Benjamin Herrenschmidt
2007-05-25 22:47 ` Benjamin Herrenschmidt
2007-05-26 8:56 ` Geert Uytterhoeven
2007-05-25 8:36 ` [patch 5/7] ps3: Disk Storage Driver Geert.Uytterhoeven
2007-05-25 11:45 ` Olaf Hering
2007-05-25 19:43 ` Geert Uytterhoeven
2007-05-25 20:47 ` Olaf Hering
2007-05-25 16:26 ` Arnd Bergmann
2007-05-25 19:40 ` Geert Uytterhoeven
2007-05-25 20:43 ` Arnd Bergmann
2007-05-25 21:22 ` Geert Uytterhoeven
2007-05-25 22:45 ` Arnd Bergmann
2007-05-25 22:53 ` Benjamin Herrenschmidt
2007-05-25 22:48 ` Benjamin Herrenschmidt
2007-05-25 8:36 ` [patch 6/7] ps3: ROM " Geert.Uytterhoeven
2007-05-25 11:24 ` Olaf Hering
2007-05-25 22:45 ` Benjamin Herrenschmidt
2007-05-26 8:52 ` Geert Uytterhoeven
2007-05-26 22:18 ` Benjamin Herrenschmidt
2007-05-29 9:55 ` Christoph Hellwig
2007-05-25 16:50 ` Arnd Bergmann
2007-05-25 19:36 ` Geert Uytterhoeven
2007-05-25 21:04 ` Arnd Bergmann
2007-05-29 10:51 ` Christoph Hellwig [this message]
2007-05-29 10:49 ` Christoph Hellwig
2007-05-29 11:11 ` Geert Uytterhoeven
2007-05-29 11:31 ` Benjamin Herrenschmidt
2007-05-30 10:13 ` Christoph Hellwig
2007-05-30 11:45 ` Benjamin Herrenschmidt
2007-05-30 17:18 ` Geoff Levand
2007-05-29 16:21 ` Geert Uytterhoeven
2007-05-30 10:01 ` Christoph Hellwig
2007-05-25 8:36 ` [patch 7/7] ps3: FLASH " Geert.Uytterhoeven
2007-05-29 9:53 ` Christoph Hellwig
2007-05-29 9:57 ` Geert Uytterhoeven
2007-05-29 10:51 ` Christoph Hellwig
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070529105119.GD29351@lst.de \
--to=hch@lst.de \
--cc=Geert.Uytterhoeven@sonycom.com \
--cc=arnd@arndb.de \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@ozlabs.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).