Is there SCSI ioctl() support in cygwin? Where is sg.h?

Christopher Faylor
Wed Jun 26 20:16:00 GMT 2013

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
>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

So when, exactly, do you expect to have this implemented then?  Next


(I'm here all week folks.  Tip your busboys)

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