From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:52489) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ghc9P-0005iF-Eq for qemu-devel@nongnu.org; Thu, 10 Jan 2019 10:21:45 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ghc9O-0001hm-5e for qemu-devel@nongnu.org; Thu, 10 Jan 2019 10:21:43 -0500 Date: Thu, 10 Jan 2019 16:21:37 +0100 From: Cornelia Huck Message-ID: <20190110162137.7fbbbc00.cohuck@redhat.com> In-Reply-To: References: <1544623878-11248-1-git-send-email-jjherne@linux.ibm.com> <1544623878-11248-11-git-send-email-jjherne@linux.ibm.com> <20181213182100.6da37a95.cohuck@redhat.com> <729790ec-a74a-2e6e-89ed-3d450c95f54f@linux.ibm.com> <20190109193406.616fcf66.cohuck@redhat.com> <18c1ba75-84f6-e928-64a9-ccf5044d92b5@linux.ibm.com> <20190110131513.0d264b10.cohuck@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [qemu-s390x] [PATCH 10/15] s390-bios: Support for running format-0/1 channel programs List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Jason J. Herne" Cc: pasic@linux.ibm.com, borntraeger@de.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org On Thu, 10 Jan 2019 10:02:48 -0500 "Jason J. Herne" wrote: > On 1/10/19 7:15 AM, Cornelia Huck wrote: > > On Wed, 9 Jan 2019 15:01:19 -0500 > > "Jason J. Herne" wrote: > > > >> On 1/9/19 1:34 PM, Cornelia Huck wrote: > >>> On Wed, 9 Jan 2019 13:10:26 -0500 > >>> "Jason J. Herne" wrote: > > > >>>> I'm not sure what value there is in abstracting sense at the moment. I'm not even sure > >>>> what other device's sense data looks like. Since my description of the SENSE CCW comes > >>>> from an ECKD reference I have not been able to verify any areas of the data that are > >>>> common across device types. Thoughts? > >>> > >>> There's SA22-7204-01 ("Common I/O Device Commands"), which is from 1992 > >>> (this is what I have on my disk -- is there anything newer?). It > >>> specifies what bits 0-5 of byte 0 mean and states that bytes 1-31 are > >>> optional and device-specific. > >>> > >>> Maybe some other bits have been specified after 1992, but I have not > >>> come across documentation for them. > >> > >> That publication is no longer available. According to my quick research it has been > >> replaced by an internal only publication. I'll see what I can find. > > > > The publication no longer being available is not good, as it is a > > normative reference pointed to by the virtio standard (see > > http://docs.oasis-open.org/virtio/virtio/v1.0/cs04/virtio-v1.0-cs04.html#x1-30001) > > :( > > > > Is there any chance that at least that old version can be made > > available again? > > A quick web search turns up the following link: > http://publibz.boulder.ibm.com/support/libraryserver/FRAMESET/DZ9AR501/CCONTENTS?D > > So I guess it is available, even if the document has been superseded internally. Cool, thanks for checking!