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* VIRTIO_GPU_RESP_ERR_RESOURCE_BUSY - shared [fixup]gpu-wipGerd Hoffmann2019-12-181-1/+10
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* virtio-gpu: 3d commands -- shared [fixup]Gerd Hoffmann2019-12-051-1/+4
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* virtio-gpu: add shared resource featureGerd Hoffmann2019-12-051-0/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds a new virtio feature for shared resources. Shared resources are allocated by the guest from normal ram, like traditional resources. They can be used by the guest almost like traditional resources, the only exception is that shared resources can only be used with backing storage attached (the linux driver does that anyway so the workflow doesn't change). The host can map these resources and use them directly (using udmabuf), so any guest changes to these resources can be visible on the host without explicit transfer request. Transfer requests are still needed though as the host might still have syncronize the resource, for example in case importing the udmabuf failed for some reason. guest/host interface: Two new commands are added to create 2D and 3D shared resources. They work exactly like the non-shared counterparts. qemu patches: https://git.kraxel.org/cgit/qemu/log/?h=sirius/virtio-gpu-feature-shared linux patches: https://git.kraxel.org/cgit/linux/log/?h=drm-virtio-feature-shared Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* virtio-gpu: add 3d command overviewGerd Hoffmann2019-12-051-0/+35
| | | | | | | Add 3d commands to the command enumeration. Add a section with a very short overview. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* virtio-gpu: some edid clarificationsGerd Hoffmann2019-11-281-4/+9
| | | | | | Add some notes about fetching the EDID information. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* Balloon: Fix Memory Statistics structure sizePhilipp Hahn2019-10-271-1/+1
| | | | | | | | | | | | | | | | | | | | 5.5.6.3 Memory Statistics: 6 -> 10 byte > Within the buffer, statistics are an array of 6-byte entries. ^ > Each statistic consists of a 16 bit tag and a 64 bit value. ... > struct virtio_balloon_stat { ... > le16 tag; > le64 val; > } __attribute__((packed)); If my calculation is right that is a (16 + 64) = 80 bits which is a 10-byte sized entry - not 6-byte. Fixes: https://github.com/oasis-tcs/virtio-spec/issues/45 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* virtio-blk: typo: Capitalization in Device Initialization itemEugenio Pérez2019-10-271-1/+1
| | | | | | | Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Fixes: https://github.com/oasis-tcs/virtio-spec/issues/51 Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
* README: fix Tex->TeXMichael S. Tsirkin2019-10-271-2/+2
| | | | | | | Also let's not include the link as that's not the best place to get it (TeX-Live is). Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* virtio_pci_common_cfg: fix field namePaolo Bonzini2019-10-271-1/+1
| | | | | | | | | The field is named config_msix_vector in the rest of the document, use the same name in the struct. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Fixes: https://github.com/oasis-tcs/virtio-spec/issues/41 Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
* ack! Console Device: Add a missing wordStefan Hajnoczi stefanha@redhat.com2019-10-270-0/+0
| | | | Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
* Console Device: Add a missing wordJan Kiszka2019-10-271-1/+1
| | | | Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
* block: Add multiqueueEugenio Pérez2019-10-271-4/+19
| | | | | | | | | | | | The spec miss that field. Add the field, some description around. I've followed the network device's multiqueue mentions, and copied / adapted when needed. Fixes: https://github.com/oasis-tcs/virtio-spec/issues/50 Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* Lift "Driver Notifications" to section levelJan Kiszka2019-10-121-1/+1
| | | | | | | | | | Currently, it slips under the Packed Virtqueues section while it is not specific to this format. At this chance, capitalize "Notifications". Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* Fix ^= in example codeJan Kiszka2019-10-121-2/+2
| | | | | | | Trying to escaping ^ here only leaves the backslash in the output. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* README.md: clean up build instructionsMichael S. Tsirkin2019-09-251-19/+37
| | | | | | | | Switch to <DL> from manual formatting with <BR> and <P>. Clarify wording a bit. Add hints on what to do in case of missing fonts. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* README.md: Added building instructions.Yoni Bettan2019-09-251-0/+28
| | | | | | | Signed-off-by: Yoni Bettan <ybettan@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
* Changed fonts to freely-available fonts when built locally.Yoni Bettan2019-09-252-8/+8
| | | | | | | | | | | | | | | | | 'Arial' and 'Courier New' fonts are not installed in TeX Live by default therefore when building the spec document using 'makeall.sh' on a Linux machine, that usually have Tex Live installed, we get fonts error for those fonts. This patch is checking if those fonts exist on the machine inside the tex document and if not change them to freely-available fonts: Arial -> Liberation Sans Courier New -> Liberation Mono Signed-off-by: Yoni Bettan <ybettan@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
* virtio-fs: add DAX windowStefan Hajnoczi2019-09-251-0/+66
| | | | | | | | | | Describe how shared memory region ID 0 is the DAX window and how FUSE_SETUPMAPPING maps file ranges into the window. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Fixes: https://github.com/oasis-tcs/virtio-spec/issues/49
* content: add virtio file system deviceStefan Hajnoczi2019-09-253-0/+229
| | | | | | | | | | | | | | | | | | The virtio file system device transports Linux FUSE requests between a FUSE daemon running on the host and the FUSE driver inside the guest. The actual FUSE request definitions are not duplicated in the virtio specification, similar to how virtio-scsi does not document SCSI command details. FUSE request definitions are available here: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/fuse.h This patch documents the core virtio file system device, which is functional but lacks the DAX feature introduced in the next patch. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Fixes: https://github.com/oasis-tcs/virtio-spec/issues/49
* content: explicitly document the VLAN filtering as best-effortTiwei Bie2019-09-081-0/+5
| | | | | | | | | | | | | Similar to the MAC address based filtering, the VLAN filtering is also best-effort in implementations, but it's not quite clear in the spec. So document this behaviour explicitly to reflect the way implementations behave. Signed-off-by: Tiwei Bie <tiwei.bie@intel.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Fixes: https://github.com/oasis-tcs/virtio-spec/issues/47
* content: fix typo in feature bit nameTiwei Bie2019-09-081-1/+1
| | | | | | | Signed-off-by: Tiwei Bie <tiwei.bie@intel.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Fixes: https://github.com/oasis-tcs/virtio-spec/issues/46 Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
* shared memory: Typo fixDr. David Alan Gilbert2019-09-081-2/+2
| | | | | | | | | Fix double hex in SHM*High defs. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
* content: fix typoNikos Dragazis2019-09-081-1/+1
| | | | | | Signed-off-by: Nikos Dragazis <ndragazis@arrikto.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com>
* shared memory: Define mmio registersDr. David Alan Gilbert2019-07-251-0/+30
| | | | | | | | | | | Define an MMIO interface to discover and map shared memory regions. Fixes: https://github.com/oasis-tcs/virtio-spec/issues/40 Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* shared memory: Define PCI capabilityDr. David Alan Gilbert2019-07-252-0/+23
| | | | | | | | | Define the PCI capability used for enumerating shared memory regions. Fixes: https://github.com/oasis-tcs/virtio-spec/issues/40 Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com>
* pci: Define virtio_pci_cap64Dr. David Alan Gilbert2019-07-251-0/+17
| | | | | | | | | | | | Define 'virtio_pci_cap64' to allow capabilities to describe memory regions larger than, or with an offset larger than 4GiB. This will be used by the shared memory region capability. Fixes: https://github.com/oasis-tcs/virtio-spec/issues/40 Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* pci: Define id fieldDr. David Alan Gilbert2019-07-251-2/+10
| | | | | | | | | | For the virtio-fs device we require multiple large shared memory regions. Differentiate these by an 'id' field in the base capability. Fixes: https://github.com/oasis-tcs/virtio-spec/issues/40 Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* shared memory: Define shared memory regionsDr. David Alan Gilbert2019-07-253-0/+45
| | | | | | | | | | Define the requirements and idea behind shared memory regions. Fixes: https://github.com/oasis-tcs/virtio-spec/issues/40 Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* README.md: document github useMichael S. Tsirkin2019-07-231-0/+27
| | | | Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* content: reserve device ID for virtio-pmem devicesPankaj Gupta2019-06-201-0/+2
| | | | | | | | | | | | | We need a device ID for virtio-pmem devices. As 25 is requested by audio device and 26 is requested by virtio-fs, so requesting next available(27). Also, updated the previously requested github issue[1] for voting. Fixes: https://github.com/oasis-tcs/virtio-spec/issues/38 Reviewed-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Pankaj Gupta <pagupta@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* content: reserve virtio device ID for file system devicesStefan Hajnoczi2019-06-201-0/+2
| | | | | | | | Reserve device ID 26 for virtio-fs devices. Fixes: https://github.com/oasis-tcs/virtio-spec/issues/31 Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* README.md: describe preferred flow for commentsMichael S. Tsirkin2019-06-181-2/+31
| | | | | | | We prefer receiving comments as patches. Describe how to generate them. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* REVISION-DATE: approval date for 1.1-cs01Michael S. Tsirkin2019-04-081-1/+1
| | | | Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* acknowledgements: use org names consistentlyMichael S. Tsirkin2019-04-032-4/+4
| | | | | | | OASIS: same as other companies, just list the name, not the role. M2Mi: use the short version of the name. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* acknowledgements: add commenters from mailing listMichael S. Tsirkin2019-04-031-0/+45
| | | | | | | | Not all commenters sent an orderly "Reviewed-by" tag. Some just contributed to the discussion on the mailing list. Add their names and affiliation from the mailing list archives. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* acknowledgements: fix spill overMichael S. Tsirkin2019-04-021-4/+2
| | | | | | | Use a subsection instead of a title page, otherwise list of acknowledged people spills over to the next page. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* REVISION: update to wd02Michael S. Tsirkin2019-03-271-1/+1
| | | | Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* acknowledgements: add members and non-membersMichael S. Tsirkin2019-03-271-6/+60
| | | | | | | Add all current members as participants. Add all participant names collected from list, jira and github. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* scripts: ability to diff with multiple versionsMichael S. Tsirkin2019-03-256-6/+35
| | | | | | Useful for releases with non-material changes. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* gitattributes: make git diff easier to readMichael S. Tsirkin2019-03-241-0/+1
| | | | Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* editorial: changelog: tweak formattingMichael S. Tsirkin2019-03-241-16/+16
| | | | | | Drop space at beginning of cells. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* editorial: gitlog.pl: generate the changelogMichael S. Tsirkin2019-03-241-0/+30
| | | | | | | Incomplete: need to massage the changelog manually. But it's a start. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* editorial: add changelog since csprd01Michael S. Tsirkin2019-03-241-1/+320
| | | | Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* editorial: add labelsMichael S. Tsirkin2019-03-244-5/+4
| | | | Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* block: drop duplicate textMichael S. Tsirkin2019-03-211-3/+1
| | | | | | | | | | | | | | | | | | | | | | In version 1.1 draft 01 - Section 5.2.6.4 - second bullet: Duplicated text "errors, data_len, sense_len and residual MUST reside in a single, separate device-writable descriptor" appears +both in the beginning and at the end of the 2nd sentence. The original text: For SCSI commands there are additional constraints. errors, data_len, sense_len and residual MUST reside in a single, separate device-writable descriptor, sense MUST reside in a single separate device-writable descriptor of size 96 bytes, and errors, data_len, sense_len and residual MUST reside a single separate device-writable descriptor. I suggest to delete the 1st one, so in the end result, fields are described in same order as appear in struct virtio_scsi_pc_req. Fixes: https://github.com/oasis-tcs/virtio-spec/issues/39 Reported-by: Gil Savir <gil.savir@intel.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* conformance: fix confusion about legacy interfaceMichael S. Tsirkin2019-03-211-5/+1
| | | | | | | | | | | | | | | | | | The text describing the legacy interface also obliquely refers to a non-transitional implementation. This seems to cause confusion and there's no good reason to do it here: this section is about legacy interface and transitional devices, it add not value at all. Just drop it. Note: the spec does not make it clear whether description of the legacy interface is normative or not, and in particular, this section is not linked to from any conformance targets. Resolving that is left for later. Fixes: https://issues.oasis-open.org/browse/VIRTIO-167 Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Acked-by: Halil Pasic <pasic@linux.ibm.com>
* editorial: upgrade links to httpsMichael S. Tsirkin2019-03-212-4/+4
| | | | | | | | | | | | | | Several links have been upgraded and now redirect to the https version. Upgrade our version accordingly. Note that some other links use the status 301 - moved permanently apparently in error (e.g. for a language specific redirect), not updating these. Fixes: https://issues.oasis-open.org/browse/VIRTIO-173 Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Jens Freimann <jfreimann@redhat.com>
* introduction: update link to IEEE 802Michael S. Tsirkin2019-03-211-1/+1
| | | | | | | | | | Looks like all GETIEEE links got broken. Let's just point to their main page. Fixes: https://issues.oasis-open.org/browse/VIRTIO-175 Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Jens Freimann <jfreimann@redhat.com>
* conformance: tweak to match OASIS requirementsMichael S. Tsirkin2019-03-212-34/+38
| | | | | | | | | | | Number clauses as required by OASIS. Also reference the transitional clause. Fixes: https://issues.oasis-open.org/browse/VIRTIO-168 Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com>
* editorial: explain each structure before useMichael S. Tsirkin2019-03-215-2/+19
| | | | | | | | | | | Several structures are listed before they are introduced in some way. Add a sentence before each one so they don't appear prior to any prose. Fixes: https://issues.oasis-open.org/browse/VIRTIO-166 Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com>
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