From: Kevin Wolf <kwolf@redhat.com>
To: Markus Armbruster <armbru@redhat.com>
Cc: pbonzini@redhat.com, aliguori@us.ibm.com, qemu-devel@nongnu.org,
stefanha@linux.vnet.ibm.com
Subject: Re: [Qemu-devel] [PATCH 32/32] Relax IDE CHS limits from 16383, 16, 63 to 65535, 16, 255
Date: Thu, 05 Jul 2012 17:27:03 +0200 [thread overview]
Message-ID: <4FF5B247.7070902@redhat.com> (raw)
In-Reply-To: <1340984094-5451-33-git-send-email-armbru@redhat.com>
Am 29.06.2012 17:34, schrieb Markus Armbruster:
> New limits straight from ATA4 6.2 Register delivered data transfer
> command sector addressing.
>
> I figure the old sector limit 63 was blindly copied from the BIOS
> int 13 limit. Doesn't apply to the hardware. No idea where the old
> cylinder limit comes from.
>
> Signed-off-by: Markus Armbruster <armbru@redhat.com>
Now I think we have the very same thing in IDE, SCSI and virtio-blk.
Would it make sense to have a helper function in hd-geometry.c that
takes and validates the geometry from a BlockConf, applies defaults and
puts the result into device state fields passed by reference?
Kevin
next prev parent reply other threads:[~2012-07-05 15:27 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1340984094-5451-1-git-send-email-armbru@redhat.com>
[not found] ` <1340984094-5451-19-git-send-email-armbru@redhat.com>
2012-07-02 12:55 ` [Qemu-devel] [PATCH 18/32] hd-geometry: Switch to uint32_t to match BlockConf Stefan Hajnoczi
2012-07-02 13:07 ` Andreas Färber
2012-07-02 14:15 ` Markus Armbruster
2012-07-02 14:34 ` Stefan Hajnoczi
2012-07-03 19:11 ` Blue Swirl
2012-07-03 20:15 ` Andreas Färber
2012-07-04 16:19 ` Paolo Bonzini
2012-07-04 16:36 ` Eric Blake
2012-07-05 18:37 ` Blue Swirl
2012-07-05 18:30 ` Blue Swirl
[not found] ` <1340984094-5451-9-git-send-email-armbru@redhat.com>
[not found] ` <CAAu8pHsKC6QMrhjUADiXT8DUrhy9HzbkN8pbYeWjM2aAE38ZwQ@mail.gmail.com>
[not found] ` <m3k3ypmjqu.fsf@blackfin.pond.sub.org>
2012-07-03 18:40 ` [Qemu-devel] [PATCH 08/32] hd-geometry: Move disk geometry guessing back from block.c Blue Swirl
2012-07-04 8:24 ` Kevin Wolf
[not found] ` <1340984094-5451-4-git-send-email-armbru@redhat.com>
[not found] ` <CAAu8pHtQORnuc2G8DiWTt1QcWOKbp7L8WJ=P7HMMZCNV7L-NRQ@mail.gmail.com>
2012-07-04 15:17 ` [Qemu-devel] [PATCH 03/32] vvfat: Fix partition table Kevin Wolf
2012-07-05 9:23 ` Markus Armbruster
2012-07-05 9:55 ` Kevin Wolf
2012-07-05 11:10 ` Markus Armbruster
2012-07-05 11:14 ` Kevin Wolf
[not found] ` <1340984094-5451-5-git-send-email-armbru@redhat.com>
2012-07-04 15:23 ` [Qemu-devel] [PATCH 04/32] vvfat: Do not clobber the user's geometry Kevin Wolf
2012-07-04 16:25 ` Paolo Bonzini
2012-07-05 7:06 ` Kevin Wolf
2012-07-05 9:16 ` Markus Armbruster
2012-07-05 11:13 ` Markus Armbruster
[not found] ` <1340984094-5451-6-git-send-email-armbru@redhat.com>
2012-07-05 8:29 ` [Qemu-devel] [PATCH 05/32] qtest: Tidy up temporary files properly Kevin Wolf
2012-07-05 9:27 ` Markus Armbruster
[not found] ` <1340984094-5451-14-git-send-email-armbru@redhat.com>
2012-07-05 9:16 ` [Qemu-devel] [PATCH 13/32] hd-geometry: Clean up confusing use of prior translation hint Kevin Wolf
2012-07-05 9:28 ` Markus Armbruster
[not found] ` <1340984094-5451-23-git-send-email-armbru@redhat.com>
2012-07-05 11:33 ` [Qemu-devel] [PATCH 22/32] qtest: Cover qdev properties for disk geometry Kevin Wolf
2012-07-05 12:08 ` Markus Armbruster
[not found] ` <1340984094-5451-33-git-send-email-armbru@redhat.com>
2012-07-05 15:27 ` Kevin Wolf [this message]
2012-07-05 16:20 ` [Qemu-devel] [PATCH 32/32] Relax IDE CHS limits from 16383, 16, 63 to 65535, 16, 255 Markus Armbruster
2012-07-05 16:39 ` Markus Armbruster
2012-07-06 8:50 ` Kevin Wolf
2012-07-11 13:10 ` Markus Armbruster
2012-07-06 14:50 ` Alexander Graf
2012-07-06 18:15 ` Markus Armbruster
2012-07-06 6:57 [Qemu-devel] [PATCH 00/32] Disk geometry cleanup Markus Armbruster
2012-07-06 6:58 ` [Qemu-devel] [PATCH 32/32] Relax IDE CHS limits from 16383, 16, 63 to 65535, 16, 255 Markus Armbruster
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