Re: [Qemu-devel] [PATCH 1/3] Add args to -cdrom to define where is connected the cdrom

["Blue Swirl" <blauwirbel@gmail.com>]

On 10/29/07, Laurent Vivier <Laurent.Vivier@bull.net> wrote:
> risc@volumehost.com a écrit :
> > On Mon, Oct 29, 2007 at 03:02:21PM +0100, Laurent Vivier wrote:
> >> Daniel P. Berrange a écrit :
> >>> On Sun, Oct 28, 2007 at 11:43:33PM +0100, Laurent.Vivier@bull.net wrote:
> >>>> From: Laurent Vivier <vivierl@frecb07144.(none)>
> >>>>
> >>>> This patch allows to define where is connected the CDROM device (bus,
> >>>> unit).
> >>>> It extends the "-cdrom" syntax to add these paramaters:
> >>>>
> >>>>     -cdrom file[,if=type][,bus=n][,unit=m]
> >>>>
> >>>> where "type" defines the interface (by default, "ide")
> >>>>       "n" defines the bus number (by default 1)
> >>>>       "m" defines the unit number (by default 0)
> >>>
> >>> Having a separately named arg just for CDROMs was always rather
> >>> odd/unhelpful.
> >>> I'd suggest that we leave all the -hda,hdb,hdc,-cdrom,-fda,-fdb etc
> >>> unchanged
> >>> and use the -disk for setting up all types of disks, floppys, cdroms, etc.
> >>> It
> >>> would just require one extra field for the -disk arg:
> >>>
> >>>      -disk file[,if=type][,bus=n][,unit=m][,mode=mode]
> >>>
> >>>  where "type" defines the interface. [ide,scsi,fd] (by default, "ide")
> >>>        "n" defines the bus number (by default 1)
> >>>        "m" defines the unit number (by default 0)
> >>>        "mode" defines one of [disk,floppy,cdrom]
> >>>
> >>> If we ever up able to emulate other types of SCSI / IDE devices (tape
> >>> drives,
> >>> cdr, dvd perhaps) then the 'mode' can easily be extended to cover them.
> >> I agree with that. And if everyone agrees I can modify patches to do that...
> >>
> >> Laurent
> >> --
> >> ---------------- Laurent.Vivier@bull.net  -----------------
> >> "Given enough eyeballs, all bugs are shallow" E. S. Raymond
> >>
> >>
> >>
> > not to be rude, but "my" version of the scsi patch supports three controllers,
> > for a total of 21 disks. might i reccomend you impliment -disk with a controller,
> > bus, target syntax, ALA sun?
>
> Well, IMHO, bus number should be enough, because the bus identify the
> controller... but we can discuss that later, as the syntax allows to add easily
> a "controller" arg to "-disk".

And also "lun"?