From: Parav Pandit <parav@nvidia.com>
To: "Michael S. Tsirkin" <mst@redhat.com>,
Max Gurtovoy <mgurtovoy@nvidia.com>
Cc: "jasowang@redhat.com" <jasowang@redhat.com>,
"virtio-comment@lists.oasis-open.org"
<virtio-comment@lists.oasis-open.org>,
"cohuck@redhat.com" <cohuck@redhat.com>,
"virtio-dev@lists.oasis-open.org"
<virtio-dev@lists.oasis-open.org>, Oren Duer <oren@nvidia.com>,
Shahaf Shuler <shahafs@nvidia.com>,
"aadam@redhat.com" <aadam@redhat.com>,
"virtio@lists.oasis-open.org" <virtio@lists.oasis-open.org>
Subject: RE: [PATCH v5 6/7] Introduce MGMT admin commands
Date: Mon, 16 May 2022 21:47:23 +0000 [thread overview]
Message-ID: <PH0PR12MB54818C762CC4DAAB3020B2ADDCCF9@PH0PR12MB5481.namprd12.prod.outlook.com> (raw)
In-Reply-To: <20220515102628-mutt-send-email-mst@kernel.org>
> From: Michael S. Tsirkin <mst@redhat.com>
> Sent: Sunday, May 15, 2022 10:37 AM
> > +This value is also returned in the virtio_admin_device_mgmt_result
> structure.
> > +Also, a successful operation guarantees that the MSI-X capability
> > +access by the designated PCI device defined by the PCI specification
> > +must reflect the new configuration in all relevant fields. For example, by
> default if the PCI VF has been assigned 4 MSI-X vectors, and
> VIRTIO_ADMIN_DEVICE_MGMT increases the MSI-X vectors to 8. On this
> change, reading Table size field of the MSI-X message control register will
> reflect a value of 7.
> > +
> > +It is beyond the scope of the virtio specification to define
> > necessary synchronization in system software to ensure that a virtio
> > PCI VF device +interrupt configuration modification is reflected in
> > the PCI device.
>
> IMHO it is very much in scope of the specification.
Many pieces of this system software are not implemented by the virtio specification...
Not sure, how can it belong to virtio spec.
> The scope of the
> specification is to allow device interoperability and this very much fits the bill.
>
How is interoperability affected and between which two entities?
next prev parent reply other threads:[~2022-05-16 21:47 UTC|newest]
Thread overview: 103+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-26 22:58 [PATCH v5 0/7] Introduce device group and device management Max Gurtovoy
2022-04-26 22:58 ` [virtio-comment] [PATCH v5 1/7] Introduce device group Max Gurtovoy
2022-05-15 15:25 ` Michael S. Tsirkin
2022-05-18 13:14 ` [virtio-comment] " Max Gurtovoy
2022-05-18 13:32 ` Cornelia Huck
2022-06-01 13:43 ` Max Gurtovoy
2022-06-02 2:21 ` Jason Wang
2022-06-02 6:59 ` Michael S. Tsirkin
2022-06-27 21:52 ` Max Gurtovoy
2022-06-28 18:54 ` Michael S. Tsirkin
2022-07-06 11:25 ` Max Gurtovoy
2022-07-06 11:42 ` Michael S. Tsirkin
2022-07-06 12:01 ` Max Gurtovoy
2022-07-06 12:23 ` Michael S. Tsirkin
2022-07-06 15:18 ` Max Gurtovoy
2022-04-26 22:58 ` [PATCH v5 2/7] Introduce admin command set Max Gurtovoy
2022-05-15 15:23 ` Michael S. Tsirkin
2022-05-16 21:08 ` [virtio-comment] " Parav Pandit
2022-05-17 10:08 ` [virtio-dev] " Cornelia Huck
2022-05-18 13:42 ` Max Gurtovoy
2022-05-17 11:48 ` Michael S. Tsirkin
2022-05-18 14:09 ` Max Gurtovoy
2022-05-18 14:42 ` [virtio] " Cornelia Huck
2022-05-18 14:48 ` Max Gurtovoy
2022-05-31 20:39 ` Parav Pandit
2022-06-20 9:23 ` Michael S. Tsirkin
2022-06-20 9:49 ` Michael S. Tsirkin
2022-06-20 9:59 ` Michael S. Tsirkin
2022-06-20 11:06 ` Parav Pandit
2022-06-20 16:46 ` Michael S. Tsirkin
2022-06-20 16:54 ` Max Gurtovoy
2022-06-20 17:04 ` Michael S. Tsirkin
2022-06-20 17:19 ` Parav Pandit
2022-06-20 20:53 ` Michael S. Tsirkin
2022-06-20 23:54 ` Parav Pandit
2022-06-20 17:16 ` Parav Pandit
2022-06-23 1:26 ` Jason Wang
2022-06-23 2:07 ` Parav Pandit
2022-06-23 2:41 ` Jason Wang
2022-06-23 2:57 ` Parav Pandit
2022-06-23 3:34 ` Jason Wang
2022-06-28 14:24 ` Michael S. Tsirkin
2022-06-29 8:43 ` Jason Wang
2022-06-29 9:02 ` Michael S. Tsirkin
2022-06-30 1:53 ` Jason Wang
2022-05-18 13:39 ` [virtio-comment] " Max Gurtovoy
2022-05-18 13:50 ` [virtio] " Cornelia Huck
2022-05-18 14:16 ` Max Gurtovoy
2022-06-20 22:26 ` Michael S. Tsirkin
2022-06-20 21:08 ` Michael S. Tsirkin
2022-04-26 22:58 ` [PATCH v5 3/7] Introduce new destination type for admin commands Max Gurtovoy
2022-05-15 15:01 ` Michael S. Tsirkin
2022-05-18 14:27 ` [virtio-comment] " Max Gurtovoy
2022-05-15 15:09 ` Michael S. Tsirkin
2022-05-16 21:21 ` Parav Pandit
2022-05-16 23:33 ` Michael S. Tsirkin
2022-05-18 14:36 ` Max Gurtovoy
2022-05-18 14:34 ` Max Gurtovoy
2022-05-18 23:55 ` Michael S. Tsirkin
2022-04-26 22:58 ` [PATCH v5 4/7] Introduce virtio admin virtqueue Max Gurtovoy
2022-05-15 14:59 ` Michael S. Tsirkin
2022-05-18 14:37 ` Max Gurtovoy
2022-05-18 23:56 ` Michael S. Tsirkin
2022-04-26 22:58 ` [PATCH v5 5/7] Add miscellaneous configuration structure for PCI Max Gurtovoy
2022-05-15 14:49 ` Michael S. Tsirkin
2022-06-01 14:46 ` Max Gurtovoy
2022-05-15 14:57 ` Michael S. Tsirkin
2022-05-17 10:12 ` [virtio] " Cornelia Huck
2022-05-18 14:42 ` Max Gurtovoy
2022-05-18 23:58 ` Michael S. Tsirkin
2022-04-26 22:58 ` [PATCH v5 6/7] Introduce MGMT admin commands Max Gurtovoy
2022-05-15 14:37 ` Michael S. Tsirkin
2022-05-16 21:47 ` Parav Pandit [this message]
2022-05-17 12:31 ` [virtio-comment] " Michael S. Tsirkin
2022-05-18 15:14 ` Max Gurtovoy
2022-05-17 2:28 ` Jason Wang
2022-05-18 15:27 ` Max Gurtovoy
2022-05-18 16:41 ` Michael S. Tsirkin
2022-05-18 23:10 ` Max Gurtovoy
2022-05-18 15:03 ` Max Gurtovoy
2022-06-20 9:45 ` Michael S. Tsirkin
2022-04-26 22:58 ` [PATCH v5 7/7] RFC: add initial support for configuring feature bits Max Gurtovoy
2022-05-15 14:38 ` Michael S. Tsirkin
2022-05-18 15:31 ` Max Gurtovoy
2022-05-18 16:34 ` Michael S. Tsirkin
2022-05-18 23:18 ` Max Gurtovoy
2022-05-15 15:27 ` [PATCH v5 0/7] Introduce device group and device management Michael S. Tsirkin
2022-05-18 15:32 ` Max Gurtovoy
2022-07-05 13:56 ` Michael S. Tsirkin
2022-07-05 15:11 ` [virtio-comment] " Parav Pandit
2022-07-06 2:54 ` [virtio-dev] " Jason Wang
2022-07-06 10:10 ` Michael S. Tsirkin
2022-07-06 10:46 ` [virtio-comment] " Parav Pandit
2022-07-06 11:00 ` Michael S. Tsirkin
2022-07-06 20:45 ` Parav Pandit
2022-07-24 21:09 ` Michael S. Tsirkin
2022-07-24 21:25 ` [virtio-comment] " Parav Pandit
2022-07-24 23:41 ` Michael S. Tsirkin
2022-07-25 2:53 ` [virtio-comment] " Parav Pandit
2022-07-25 7:44 ` Michael S. Tsirkin
2022-07-30 13:21 ` [virtio-comment] " Parav Pandit
2022-07-31 15:38 ` Michael S. Tsirkin
2022-08-02 17:40 ` Parav Pandit
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