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Date: Thu, 27 Jun 2013 18:03:19 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Is there SCSI ioctl() support in cygwin?  Where is sg.h?
Message-ID: <20130627160319.GG2378@calimero.vinschen.de>
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References: <51CADF24 DOT 4090200 AT bracketfire DOT com> <20130626153051 DOT GE6966 AT calimero DOT vinschen DOT de> <20130626190413 DOT GC3127 AT ednor DOT casa DOT cgf DOT cx> <20130627083321 DOT GJ6966 AT calimero DOT vinschen DOT de> <51CC606E DOT 8060703 AT cygwin DOT com>
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On Jun 27 11:55, Larry Hall (Cygwin) wrote:
> On 6/27/2013 4:33 AM, Corinna Vinschen wrote:
> >On Jun 26 15:04, Christopher Faylor wrote:
> >>On Wed, Jun 26, 2013 at 05:30:51PM +0200, Corinna Vinschen wrote:
> >>>On Jun 26 08:31, Peter Allen wrote:
> >>>>I've searched the archives and the net and haven't found any
> >>>>information about using ioctl() to send commands to a SCSI disk.
> >>>>
> >>>>I'm porting an application that needs structures defined in sg.h,
> >>>>(sg_io_hdr_t) but can't find that header in any cygwin package.
> >>>>
> >>>>Is there support for this in cygwin?
> >>>
> >>>No, sorry, there isn't.  While Windows offers SCSI passthrough
> >>>capability using some DeviceIoControl control code, we don't support the
> >>>/dev/sg* devices and the translation from sg to underlying Windows
> >>>device.
> >>>
> >>>I played with the SCSI passthrough stuff a couple years ago.  I'd say,
> >>>the real problem is not to support passthrough, but the device
> >>>translation.  There's pretty certainly a way to offer that, but off the
> >>>top of my head I don't know how to.
> >>>
> >>>Adding a Cygwin fhandler for sg devices and SCSI passthrough would
> >>>probably be a nice side project for somebody who's interested in this
> >>>stuff.  It wouldn't really collide with anything which is already
> >>>implemented.
> >>
> >>So when, exactly, do you expect to have this implemented then?  Next
> >>Thursday?
> >
> >Let's say, it will be *a* Thursday, just don't expect me to say the
> >exact year...
> 
> This isn't another issue involving kittens, is it?

You know how kittens have no sense of time.

Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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