From: Christoph Hellwig <hch@lst.de>
To: Max Gurtovoy <mgurtovoy@nvidia.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>, Christoph Hellwig <hch@lst.de>,
Lei Rao <lei.rao@intel.com>,
kbusch@kernel.org, axboe@fb.com, kch@nvidia.com,
sagi@grimberg.me, alex.williamson@redhat.com, cohuck@redhat.com,
yishaih@nvidia.com, shameerali.kolothum.thodi@huawei.com,
kevin.tian@intel.com, mjrosato@linux.ibm.com,
linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org,
kvm@vger.kernel.org, eddie.dong@intel.com, yadong.li@intel.com,
yi.l.liu@intel.com, Konrad.wilk@oracle.com,
stephen@eideticom.com, hang.yuan@intel.com,
Oren Duer <oren@nvidia.com>
Subject: Re: [RFC PATCH 1/5] nvme-pci: add function nvme_submit_vf_cmd to issue admin commands for VF driver.
Date: Mon, 12 Dec 2022 08:55:41 +0100 [thread overview]
Message-ID: <20221212075541.GC11162@lst.de> (raw)
In-Reply-To: <b2ade627-0abb-08a0-c28b-2bf8eb8e4973@nvidia.com>
On Sun, Dec 11, 2022 at 01:39:37PM +0200, Max Gurtovoy wrote:
> 1. Need to define a concept of a "virtual subsystem". A primary controller
> will be able to create a virtual subsystem. Inside this subsystem the
> primary controller will be the master ("the controlling") of the migration
> process. It will also be able to add secondary controllers to this virtual
> subsystem and assign "virtual controller ID" to it.
> something like:
> - nvme virtual_subsys_create --dev=/dev/nvme1 --virtual_nqn="my_v_nqn_1"
> --dev_vcid = 1
> - nvme virtual_subsys_add --dev=/dev/nvme1 --virtual_nqn="my_v_nqn_1"
> --secondary_dev=/dev/nvme2 --secondary_dev_vcid=20
Yes. Note that there is a bit more state than just the NQN. You also
need at least a serial number, and also probably a different vendor
ID (the PCI vendor ID that is also mirror in Identify Controller and
the IEEE OUI), and new unique namespace identifier.
next prev parent reply other threads:[~2022-12-12 7:55 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-06 5:58 [RFC PATCH 0/5] Add new VFIO PCI driver for NVMe devices Lei Rao
2022-12-06 5:58 ` [RFC PATCH 1/5] nvme-pci: add function nvme_submit_vf_cmd to issue admin commands for VF driver Lei Rao
2022-12-06 6:19 ` Christoph Hellwig
2022-12-06 13:44 ` Jason Gunthorpe
2022-12-06 13:51 ` Keith Busch
2022-12-06 14:27 ` Jason Gunthorpe
2022-12-06 13:58 ` Christoph Hellwig
2022-12-06 15:22 ` Jason Gunthorpe
2022-12-06 15:38 ` Christoph Hellwig
2022-12-06 15:51 ` Jason Gunthorpe
2022-12-06 16:55 ` Christoph Hellwig
2022-12-06 19:15 ` Jason Gunthorpe
2022-12-07 2:30 ` Max Gurtovoy
2022-12-07 7:58 ` Christoph Hellwig
2022-12-09 2:11 ` Tian, Kevin
2022-12-12 7:41 ` Christoph Hellwig
2022-12-07 7:54 ` Christoph Hellwig
2022-12-07 10:59 ` Max Gurtovoy
2022-12-07 13:46 ` Christoph Hellwig
2022-12-07 14:50 ` Max Gurtovoy
2022-12-07 16:35 ` Christoph Hellwig
2022-12-07 13:34 ` Jason Gunthorpe
2022-12-07 13:52 ` Christoph Hellwig
2022-12-07 15:07 ` Jason Gunthorpe
2022-12-07 16:38 ` Christoph Hellwig
2022-12-07 17:31 ` Jason Gunthorpe
2022-12-07 18:33 ` Christoph Hellwig
2022-12-07 20:08 ` Jason Gunthorpe
2022-12-09 2:50 ` Tian, Kevin
2022-12-09 18:56 ` Dong, Eddie
2022-12-11 11:39 ` Max Gurtovoy
2022-12-12 7:55 ` Christoph Hellwig [this message]
2022-12-12 14:49 ` Max Gurtovoy
2022-12-12 7:50 ` Christoph Hellwig
2022-12-13 14:01 ` Jason Gunthorpe
2022-12-13 16:08 ` Christoph Hellwig
2022-12-13 17:49 ` Jason Gunthorpe
2022-12-06 7:00 ` kernel test robot
2022-12-06 9:01 ` kernel test robot
2022-12-06 5:58 ` [RFC PATCH 2/5] nvme-vfio: add new vfio-pci driver for NVMe device Lei Rao
2022-12-06 5:58 ` [RFC PATCH 3/5] nvme-vfio: enable the function of VFIO live migration Lei Rao
2023-01-19 10:21 ` Max Gurtovoy
2023-02-09 9:09 ` Rao, Lei
2022-12-06 5:58 ` [RFC PATCH 4/5] nvme-vfio: check if the hardware supports " Lei Rao
2022-12-06 13:47 ` Keith Busch
2022-12-06 5:58 ` [RFC PATCH 5/5] nvme-vfio: Add a document for the NVMe device Lei Rao
2022-12-06 6:26 ` Christoph Hellwig
2022-12-06 13:05 ` Jason Gunthorpe
2022-12-06 13:09 ` Christoph Hellwig
2022-12-06 13:52 ` Jason Gunthorpe
2022-12-06 14:00 ` Christoph Hellwig
2022-12-06 14:20 ` Jason Gunthorpe
2022-12-06 14:31 ` Christoph Hellwig
2022-12-06 14:48 ` Jason Gunthorpe
2022-12-06 15:01 ` Christoph Hellwig
2022-12-06 15:28 ` Jason Gunthorpe
2022-12-06 15:35 ` Christoph Hellwig
2022-12-06 18:00 ` Dong, Eddie
2022-12-12 7:57 ` Christoph Hellwig
2022-12-11 12:05 ` Max Gurtovoy
2022-12-11 13:21 ` Rao, Lei
2022-12-11 14:51 ` Max Gurtovoy
2022-12-12 1:20 ` Rao, Lei
2022-12-12 8:09 ` Christoph Hellwig
2022-12-09 2:05 ` Tian, Kevin
2022-12-09 16:53 ` Li, Yadong
2022-12-12 8:11 ` Christoph Hellwig
2022-12-07 22:42 ` Jonathan Derrick
2022-12-07 22:54 ` Chaitanya Kulkarni
2022-12-08 0:03 ` Keith Busch
2022-12-08 5:39 ` Chaitanya Kulkarni
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20221212075541.GC11162@lst.de \
--to=hch@lst.de \
--cc=Konrad.wilk@oracle.com \
--cc=alex.williamson@redhat.com \
--cc=axboe@fb.com \
--cc=cohuck@redhat.com \
--cc=eddie.dong@intel.com \
--cc=hang.yuan@intel.com \
--cc=jgg@ziepe.ca \
--cc=kbusch@kernel.org \
--cc=kch@nvidia.com \
--cc=kevin.tian@intel.com \
--cc=kvm@vger.kernel.org \
--cc=lei.rao@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-nvme@lists.infradead.org \
--cc=mgurtovoy@nvidia.com \
--cc=mjrosato@linux.ibm.com \
--cc=oren@nvidia.com \
--cc=sagi@grimberg.me \
--cc=shameerali.kolothum.thodi@huawei.com \
--cc=stephen@eideticom.com \
--cc=yadong.li@intel.com \
--cc=yi.l.liu@intel.com \
--cc=yishaih@nvidia.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.