From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55397) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dajDO-0004lU-Sc for qemu-devel@nongnu.org; Thu, 27 Jul 2017 09:52:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dajDL-0004VO-Ll for qemu-devel@nongnu.org; Thu, 27 Jul 2017 09:52:34 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:42719) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dajDL-0004V2-CI for qemu-devel@nongnu.org; Thu, 27 Jul 2017 09:52:31 -0400 Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v6RDqQeN014160 for ; Thu, 27 Jul 2017 09:52:30 -0400 Received: from e06smtp10.uk.ibm.com (e06smtp10.uk.ibm.com [195.75.94.106]) by mx0a-001b2d01.pphosted.com with ESMTP id 2bye2dsh8k-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Thu, 27 Jul 2017 09:52:29 -0400 Received: from localhost by e06smtp10.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 27 Jul 2017 14:52:27 +0100 References: <20170725224442.13383-1-pasic@linux.vnet.ibm.com> <20170727102636.43d6a789@gondolin> <20170727154005.0c99521b@gondolin> From: Halil Pasic Date: Thu, 27 Jul 2017 15:52:23 +0200 MIME-Version: 1.0 In-Reply-To: <20170727154005.0c99521b@gondolin> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Message-Id: <8f101d44-4d7d-9a13-8d0c-ebb830010847@linux.vnet.ibm.com> Subject: Re: [Qemu-devel] [PATCH 0/2] ccw interpretation AR compliance improvements List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Cornelia Huck Cc: Christian Borntraeger , Dong Jia Shi , qemu-devel@nongnu.org On 07/27/2017 03:40 PM, Cornelia Huck wrote: > On Thu, 27 Jul 2017 15:18:01 +0200 > Halil Pasic wrote: > >> [Re-posting my previous reply because I've accidentally >> dropped almost all addresses.] >> >> On 07/27/2017 10:26 AM, Cornelia Huck wrote: >>> On Wed, 26 Jul 2017 00:44:40 +0200 >>> Halil Pasic wrote: > >>>> Regarding testing: did not do much more than a simple smoke test >>>> with virtio-ccw. >>> >>> I think we need a way to throw random channel programs at a channel >>> device... >>> >> >> By random do you mean random random, or do you mean carefully crafted >> to provoke (and verify) certain responses. If it's more like the second >> case I've actually wrote something (a kernel driver) for 'internal use' >> but at the moment it's limited to indirect data access support (no test >> cases for invalid invalid channel programs). > > That's what I've been thinking of. Standalone guest code would be even > better (can be integrated into automatic testing), but it's certainly > useful. > >> The 'internal guys' say it >> probably ain't interesting for the rest of the world make this external, >> but if you are interested I could send you the patch these days. > > Would be great if you could make this available. It is especially > interesting for me, but possibly for other folks working on s390 as well. It is very wip and I don't feel comfortable with sharing it with the world yet. But I'm definitely interested in making this available. I haven't figured out what would be the best way to make it available, and I hope you can help me with that. > > Might be good together with an "eat this" channel device in qemu. > If course I do have a qemu counterpart. To sum it up, one I'm done with the next iteration I'm gonna send you with the patches unless you say otherwise. Regards, Halil