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2015-04-29used ring: specify legacy behaviour for len fieldmstsirkin
many hypervisors implemented len field incorrectly. Document existing bugs in the legacy sections. VIRTIO-141 Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@522 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-04-29VIRTIO-134: Spell out details of indirect elements in chainsmstsirkin
1) It's implied that a chain terminates with an indirect descriptor (since VIRTIO-15) but we didn't spell out that a device MUST NOT continue it. 2) We allow [direct]->[direct]->[indirect], and qemu and bhyve both accept it. Make it clear that this is valid, thus devices MUST handle it. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@521 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-04-29give explicit guidance on the use of 64 bit fieldsmstsirkin
Just saying 64 bit fields may not be atomic is true, but less helpful than it might be. Add explicit guidance about what the consequences of non-atomicity are. VIRTIO-140 Signed-off-by: James Bottomley <JBottomley@Odin.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@520 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-04-22cl: fix name for MSTmstsirkin
Should be Michael S. Tsirkin, not Michael Tsirkin. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@519 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-04-22cl: document r517mstsirkin
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@518 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-04-22acknowledgements: contributors+minor fixupmstsirkin
acknowledge feedback by Jason Wang, add Richard Sohn who joined the TC, sort acknowledged reviewers alphabetically. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@517 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-04-22cl: document r509mstsirkin
wording tweak in balloon. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@516 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-04-22cl: list r506 and VIRTIO-138mstsirkin
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@515 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-04-22cl: document r508: VIRTIO-139mstsirkin
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@514 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-04-22cl: document VIRTIO-137mstsirkin
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@513 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-04-22diffpreamble: redefine colors in nomarkup sectionmstsirkin
Changelog appears within DIFaddbegin/DIFaddend, suppress marking it as added text, that's confusing. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@512 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-04-22makediff: cherry pick disabling markup on clmstsirkin
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@511 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-04-22conformance: add VIRTIO-137 to statementsmstsirkin
Add links to new conformance statements added to resolve VIRTIO-137 (describing used ring entry len usage). Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@510 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-04-22balloon: MUST -> has tomstsirkin
MUST shouldn't be used outside normative statements, that's confusing. Replace with "has to". Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@509 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-04-22pci: missing documentation for dealing with 64 bit config fieldsmstsirkin
pci spec says what width access to use for 32, 16 and 8 bit fields, but does not explicitly say what to do for 32 bit fields. As we have text that says driver must treat 64 bit accesses as non-atomic, this seems to imply driver should always do two 32 bit wide accesses. Let's make this an explicit requirement, and require devices to support this. VIRTIO-139 Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@508 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-04-22mark diff for non-transitional with legacymstsirkin
latexdiff doesn't handle changing labels well, causes latex unresolved reference errors. opencode and mark up diff manually. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@507 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-04-22multiple errors: Non-transitional With Legacymstsirkin
virtio 1.0 has two sections titled "Non-transitional Device With Legacy Driver" the first says devices SHOULD fail, the second says devices MUST fail. Clearly a mistake. Other issues: devices don't really fail - they cause drivers to fail. second section seems to be in the wrong place, and also have a section followed by subsection with no explanatory text in between, which is ugly. Finally, this text was originally ritten to handle buggy windows drivers gracefully, but later we changed device IDs so it's not really required there. Might be handy for some other buggy legacy drivers, though no such drivers are known. To fix, drop the duplicate section variant, add some explanatory text, clarify what does "same ID" mean here, and clarify that the work-around is only needed if a buggy driver is known to bind to a transitional device. VIRTIO-138 Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@506 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-04-22makediff: mark note as floatenvmstsirkin
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@505 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-04-22VIRTIO-137: used ring: define the meaning and requirements of the len field.mstsirkin
We said what it was for, and noted why. We didn't place any requirements on it, nor clearly spell out the implications of its use. This clarification comes particularly from noticing that QEMU didn't set len correctly, and philosophising over the correct value when an error has occurred. (Wording precision feedback from Michael and Cornelia - Thanks!) Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@504 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-25cl: tweak revisionsmstsirkin
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@503 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-25cl: add virtio-133mstsirkin
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@502 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-25cl: list virtio-130mstsirkin
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@501 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-25cl: add more changelog textmstsirkin
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@500 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-25cl: tweak changelog slightlymstsirkin
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@499 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-25makediff: cherry-pick header removalmstsirkin
makes changelog diff slightly prettier. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@498 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-25cl: add cross-references to changes since cs02mstsirkin
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@497 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-25makediff: cherry pick cl changesmstsirkin
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@496 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-25changelog: disable markupmstsirkin
Doesn't work properly with latexdiff anyway. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@495 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-25cl: list more changesmstsirkin
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@494 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-25cl: list virtio-116 changemstsirkin
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@493 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-25cl: list virtio-129mstsirkin
This reverts commit de1e7c191a168195f67aa5259603f83264b35e28. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@492 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-25changelog: uncomment headermstsirkin
This reverts commit d9536a52200d9f9f5048fd6534605ec75aadb08f. git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@491 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-25changelog: comment out headermstsirkin
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@490 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-25cl: drop contents temporarilymstsirkin
This is helpful for diff generation. Will re-add shortly. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@489 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-25Change 4.1.5.1.2.1 to device requirementmstsirkin
4.1.5.1.2.1 is incorrectly labelled as a driver requirement; it's self-evidently referring to the device. VIRTIO-133 Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@488 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-25ISR status: Fix incorrect diagrammstsirkin
ISR status capability diagram has the "Device Configuration Interrupt " as bit 0, and the "Queue Interrupt" as bit 1. This is the wrong way around: it disagrees with the legacy implementations, as well as the spec elsewhere. All current guests correctly follow the text, fix up the diagram to match. VIRTIO-130 Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@487 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-25document idx field in virtqueue used ringmstsirkin
Section 2.4.8 The Virtqueue Used Ring lists the idx field, but never documents it. VIRTIO-136. Reported-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@486 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-25virtio-ring: comment fixupmstsirkin
virtio_ring.h included with spec has this text: /* Support for avail_idx and used_idx fields */ it should really refer to avail_event and used_event. VIRTIO-135. Reported-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@485 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-15makediff: work around for lstlistingmstsirkin
latexdiff seems to go wild trying to diff lstlisting. But marking lstlisting as picture - so old text is commented out - then removing the comment sign - seems to work, with the only disadvantage being that listing is diffed as a whole. Seems to be the best I can come up with ATM. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@484 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-15makediff: update for cs03mstsirkin
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@483 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-15cl: move out cs02 changelogmstsirkin
start adding one for cs03 Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@482 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-15Revert: formatting: mark change manually as changed in cs02mstsirkin
This reverts commit d0ea186fe547a0e7ae4baeb623cf764a3f1ace65. git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@481 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-15ccw: clarify basic channel commandsmstsirkin
"Basic channel commands" seems to be not as clear as it could, so let's spell out which channel commands we refer to. VIRTIO-118 Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Approved unanimously: https://www.oasis-open.org/apps/org/workgroup/virtio/ballot.php?id=2763 Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@480 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-15ccw: allow WRITE_STATUS to failmstsirkin
We want to be able to fail setting a status on the device (e.g. FEATURES_OK if the device can't work with the features negotiated). The easiest way to do that is to allow the device to fail the WRITE_STATUS command by posting a command reject. VIRTIO-116 Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Approved unanimously: https://www.oasis-open.org/apps/org/workgroup/virtio/ballot.php?id=2762 Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@479 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-03-15legacy: clean up virtqueue layout definitionsmstsirkin
Generalize "Legacy Interfaces: A Note on Virtqueue Layout" to allow for different alignment requirements. Have pci and ccw refer to that section for legacy devices. Remove the double definition of virtqueue alignment (which referred to legacy, but was not tagged as such) from the ccw section. VIRTIO-129 Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Approved unanimously: https://www.oasis-open.org/apps/org/workgroup/virtio/ballot.php?id=2756 Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@478 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-02-05makehtml: only pack one html filemstsirkin
We used to have multiple html files, but no more, so packing files using * glob doesn't make sense - and tends to include random unnecessary files if the names happen to match. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@475 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-02-05html: work around bug in html generationmstsirkin
Using texlive on Fedora 21, \url for some reason replaces hypen - with -_ in html output only. This is only a formatting issue: the link itself is correct. For example: <A HREF="http://docs.oasis-open.org"> http://docs.oasis-_open.org</A> I don't know why this happens, but it seems to go away if we override - within urls inserting an mbox around it. makeatletter \g@addto@macro\UrlSpecials{\do\-{\mbox{-}}} Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@474 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-02-05headerfile: fix link to header file in html outputmstsirkin
Using macros within \url doesn't work for html output. To fix, put \url within macro. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@473 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-02-05REVISION: update for virtio 1.0 cs02mstsirkin
Set revision date and revision correctly, as requested by OASIS admin. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@472 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
2015-02-05oasis: update copyright to 2015mstsirkin
Update the copyright date on Notices page and footer of PDF to 2015, as requested by OASIS admin. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@471 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
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