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Re: [Qemu-devel] [PATCH v2 0/4] add CCW indirect data access support
From: |
Halil Pasic |
Subject: |
Re: [Qemu-devel] [PATCH v2 0/4] add CCW indirect data access support |
Date: |
Thu, 14 Sep 2017 13:02:51 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0 |
On 09/14/2017 11:15 AM, Cornelia Huck wrote:
> On Wed, 13 Sep 2017 13:50:25 +0200
> Halil Pasic <address@hidden> wrote:
>
>> Abstract
>> --------
>>
>> The objective of this series is introducing CCW IDA (indirect data
>> access) support to our virtual channel subsystem implementation. Briefly
>> CCW IDA can be thought of as a kind of a scatter gather support for a
>> single CCW. If certain flags are set, the cda is to be interpreted as an
>> address to a list which in turn holds further addresses designating the
>> actual data. Thus the scheme which we are currently using for accessing
>> CCW payload does not work in general case. Currently there is no
>> immediate need for proper IDA handling (no use case), but since it IDA is
>> a non-optional part of the architecture, the only way towards AR
>> compliance is actually implementing IDA.
>>
>> Testing
>> -------
>>
>> On request the things meant for testing from v1 were factored out
>> into a separate series (requested by Connie). Please look for
>> the series 'tests for CCW IDA' (comming soon) or use the stuff
>> form v1.
>
> Generally, looks good; currently testing it.
>
> Would not mind some R-bs :)
>
Many thanks for the quick review! Of course I consent to every
change you have proposed to make (before applying).
About the stale comments I've just sent out a patch.
About the r-b's I think the guys in cc are the most likely
candidates. Pierre should be back starting next week. Dong
Jia I haven't seen in a while, but I don't know about anything.
Of course I would happy if somebody less expected joins in.
Thanks again!
Halil
- [Qemu-devel] [PATCH v2 0/4] add CCW indirect data access support, Halil Pasic, 2017/09/13
- [Qemu-devel] [PATCH v2 4/4] s390x/css: support ccw IDA, Halil Pasic, 2017/09/13
- [Qemu-devel] [PATCH v2 2/4] s390x/css: use ccw data stream, Halil Pasic, 2017/09/13
- [Qemu-devel] [PATCH v2 1/4] s390x/css: introduce css data stream, Halil Pasic, 2017/09/13
- [Qemu-devel] [PATCH v2 3/4] virtio-ccw: use ccw data stream, Halil Pasic, 2017/09/13
- Re: [Qemu-devel] [PATCH v2 0/4] add CCW indirect data access support, Cornelia Huck, 2017/09/14
- Re: [Qemu-devel] [PATCH v2 0/4] add CCW indirect data access support,
Halil Pasic <=
- Re: [Qemu-devel] [PATCH v2 0/4] add CCW indirect data access support, Cornelia Huck, 2017/09/14