From: Pankaj Gupta <pagupta@redhat.com>
To: Cornelia Huck <cohuck@redhat.com>
Cc: kwolf@redhat.com, aarcange@redhat.com,
xiaoguangrong eric <xiaoguangrong.eric@gmail.com>,
mst@redhat.com, armbru@redhat.com, riel@surriel.com,
david@redhat.com, qemu-devel@nongnu.org, ehabkost@redhat.com,
lcapitulino@redhat.com, stefanha@redhat.com, pbonzini@redhat.com,
imammedo@redhat.com, dan j williams <dan.j.williams@intel.com>,
nilal@redhat.com, dgilbert@redhat.com, rth@twiddle.net
Subject: Re: [Qemu-devel] [PATCH v2 4/7] virtio-pci: Proxy for virtio-pmem
Date: Tue, 2 Jul 2019 08:00:24 -0400 (EDT) [thread overview]
Message-ID: <114089006.38605496.1562068824302.JavaMail.zimbra@redhat.com> (raw)
In-Reply-To: <20190702135519.46a9e3f2.cohuck@redhat.com>
>
> On Wed, 19 Jun 2019 15:19:04 +0530
> Pankaj Gupta <pagupta@redhat.com> wrote:
>
> > We need a proxy device for virtio-pmem, and this device has to be the
> > actual memory device so we can cleanly hotplug it.
> >
> > Forward memory device class functions either to the actual device or use
> > properties of the virtio-pmem device to implement these in the proxy.
> >
> > virtio-pmem will only be compiled for selected, supported architectures
> > (that can deal with virtio/pci devices being memory devices). An
> > architecture that is prepared for that can simply enable
> > CONFIG_VIRTIO_PMEM to make it work.
> >
> > As not all architectures support memory devices (and CONFIG_VIRTIO_PMEM
> > will be enabled per supported architecture), we have to move the PCI proxy
> > to a separate file.
> >
> > Signed-off-by: Pankaj Gupta <pagupta@redhat.com>
> > [ split up patches, memory-device changes, move pci proxy]
> > Signed-off-by: David Hildenbrand <david@redhat.com>
> > ---
> > hw/virtio/Makefile.objs | 1 +
> > hw/virtio/virtio-pmem-pci.c | 131
> > ++++++++++++++++++++++++++++++++++++++++++++
> > hw/virtio/virtio-pmem-pci.h | 34 ++++++++++++
> > include/hw/pci/pci.h | 1 +
> > 4 files changed, 167 insertions(+)
> > create mode 100644 hw/virtio/virtio-pmem-pci.c
> > create mode 100644 hw/virtio/virtio-pmem-pci.h
>
> (...)
>
> > +static const VirtioPCIDeviceTypeInfo virtio_pmem_pci_info = {
> > + .base_name = TYPE_VIRTIO_PMEM_PCI,
> > + .generic_name = "virtio-pmem-pci",
> > + .transitional_name = "virtio-pmem-pci-transitional",
>
> Do we even have a transitional device for this? I.e., do we have a
> legacy version? I don't think that makes sense for new devices.
No. Sure, will remove this.
Thank you,
Pankaj
>
> > + .non_transitional_name = "virtio-pmem-pci-non-transitional",
> > + .instance_size = sizeof(VirtIOPMEMPCI),
> > + .instance_init = virtio_pmem_pci_instance_init,
> > + .class_init = virtio_pmem_pci_class_init,
> > + .interfaces = (InterfaceInfo[]) {
> > + { TYPE_MEMORY_DEVICE },
> > + { }
> > + },
> > +};
>
> (...)
>
next prev parent reply other threads:[~2019-07-02 12:03 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-19 9:49 [Qemu-devel] [PATCH v2 0/7] Qemu virtio pmem device Pankaj Gupta
2019-06-19 9:49 ` [Qemu-devel] [PATCH v2 1/7] virtio-pmem: add virtio device Pankaj Gupta
2019-07-02 11:46 ` Cornelia Huck
2019-07-02 15:07 ` [Qemu-devel] [PULL 05/22] " Michael S. Tsirkin
2019-07-11 12:57 ` Peter Maydell
2019-07-11 14:05 ` Pankaj Gupta
2019-06-19 9:49 ` [Qemu-devel] [PATCH v2 2/7] virtio-pci: Allow to specify additional interfaces for the base type Pankaj Gupta
2019-07-02 15:07 ` [Qemu-devel] [PULL 06/22] " Michael S. Tsirkin
2019-06-19 9:49 ` [Qemu-devel] [PATCH v2 3/7] virtio-pmem: sync linux headers Pankaj Gupta
2019-07-02 11:50 ` Cornelia Huck
2019-07-02 11:59 ` Pankaj Gupta
2019-07-02 16:58 ` Michael S. Tsirkin
2019-07-02 17:09 ` Pankaj Gupta
2019-07-02 17:11 ` Michael S. Tsirkin
2019-07-02 17:21 ` Pankaj Gupta
2019-07-02 15:10 ` Michael S. Tsirkin
2019-07-02 15:07 ` [Qemu-devel] [PULL 07/22] " Michael S. Tsirkin
2019-06-19 9:49 ` [Qemu-devel] [PATCH v2 4/7] virtio-pci: Proxy for virtio-pmem Pankaj Gupta
2019-07-02 11:55 ` Cornelia Huck
2019-07-02 12:00 ` Pankaj Gupta [this message]
2019-07-02 17:09 ` Michael S. Tsirkin
2019-07-02 17:14 ` Pankaj Gupta
2019-07-02 15:07 ` [Qemu-devel] [PULL 08/22] " Michael S. Tsirkin
2019-07-11 12:59 ` Peter Maydell
2019-07-11 13:27 ` Pankaj Gupta
2019-06-19 9:49 ` [Qemu-devel] [PATCH v2 5/7] hmp: Handle virtio-pmem when printing memory device infos Pankaj Gupta
2019-07-02 8:50 ` Wei Yang
2019-07-02 10:17 ` Pankaj Gupta
2019-07-02 15:07 ` [Qemu-devel] [PULL 09/22] " Michael S. Tsirkin
2019-06-19 9:49 ` [Qemu-devel] [PATCH v2 6/7] numa: Handle virtio-pmem in NUMA stats Pankaj Gupta
2019-07-02 15:07 ` [Qemu-devel] [PULL 10/22] " Michael S. Tsirkin
2019-06-19 9:49 ` [Qemu-devel] [PATCH v2 7/7] pc: Support for virtio-pmem-pci Pankaj Gupta
2019-07-02 15:07 ` [Qemu-devel] [PULL 11/22] " Michael S. Tsirkin
2019-07-01 3:53 ` [Qemu-devel] [PATCH v2 0/7] Qemu virtio pmem device Pankaj Gupta
2019-07-02 8:49 ` Wei Yang
2019-07-02 10:07 ` Pankaj Gupta
2019-07-03 0:58 ` Wei Yang
2019-07-03 1:31 ` Pankaj Gupta
2019-07-03 1:57 ` Wei Yang
2019-07-03 2:31 ` Pankaj Gupta
2019-07-03 2:42 ` Wei Yang
2019-07-03 3:21 ` Pankaj Gupta
2019-06-26 2:31 [Qemu-devel] [PATCH v4 0/5] virtio: fix some issues of "started" and "start_on_kick" flag elohimes
2019-06-26 2:31 ` [Qemu-devel] [PATCH v4 1/5] virtio: add "use-started" property elohimes
2019-06-26 10:17 ` Greg Kurz
2019-06-27 2:20 ` Yongji Xie
2019-07-02 15:07 ` [Qemu-devel] [PULL 13/22] " Michael S. Tsirkin
2019-06-26 2:31 ` [Qemu-devel] [PATCH v4 2/5] virtio: Set "start_on_kick" for legacy devices elohimes
2019-07-02 15:07 ` [Qemu-devel] [PULL 14/22] " Michael S. Tsirkin
2019-06-26 2:31 ` [Qemu-devel] [PATCH v4 3/5] virtio: Set "start_on_kick" on virtio_set_features() elohimes
2019-07-02 15:08 ` [Qemu-devel] [PULL 15/22] " Michael S. Tsirkin
2019-06-26 2:31 ` [Qemu-devel] [PATCH v4 4/5] virtio: Make sure we get correct state of device on handle_aio_output() elohimes
2019-07-02 15:08 ` [Qemu-devel] [PULL 16/22] " Michael S. Tsirkin
2019-06-26 2:31 ` [Qemu-devel] [PATCH v4 5/5] virtio: Don't change "started" flag on virtio_vmstate_change() elohimes
2019-07-02 15:08 ` [Qemu-devel] [PULL 17/22] " Michael S. Tsirkin
2019-06-26 10:43 ` [Qemu-devel] [PATCH v4 0/5] virtio: fix some issues of "started" and "start_on_kick" flag Laurent Vivier
2019-06-27 2:19 ` Yongji Xie
2019-06-26 7:48 [Qemu-devel] [PATCH v2 0/4] libvhost-user: VHOST_USER_PROTOCOL_F_MQ support Stefan Hajnoczi
2019-06-26 7:48 ` [Qemu-devel] [PATCH v2 1/4] libvhost-user: add vmsg_set_reply_u64() helper Stefan Hajnoczi
2019-07-02 15:08 ` [Qemu-devel] [PULL 19/22] " Michael S. Tsirkin
2019-06-26 7:48 ` [Qemu-devel] [PATCH v2 2/4] libvhost-user: support many virtqueues Stefan Hajnoczi
2019-07-02 15:08 ` [Qemu-devel] [PULL 20/22] " Michael S. Tsirkin
2019-06-26 7:48 ` [Qemu-devel] [PATCH v2 3/4] libvhost-user: implement VHOST_USER_PROTOCOL_F_MQ Stefan Hajnoczi
2019-07-02 15:08 ` [Qemu-devel] [PULL 21/22] " Michael S. Tsirkin
2019-06-26 7:48 ` [Qemu-devel] [PATCH v2 4/4] docs: avoid vhost-user-net specifics in multiqueue section Stefan Hajnoczi
2019-07-02 15:08 ` [Qemu-devel] [PULL 22/22] " Michael S. Tsirkin
2019-07-02 15:06 [Qemu-devel] [PULL 00/22] virtio, pc, pci: features, fixes, cleanups Michael S. Tsirkin
2019-06-25 23:23 ` [Qemu-devel] [PATCH] virtio-pci: fix missing device properties Marc-André Lureau
2019-06-26 1:55 ` Eduardo Habkost
2019-06-26 9:48 ` Marc-André Lureau
2019-06-26 12:39 ` Eduardo Habkost
2019-07-02 15:07 ` [Qemu-devel] [PULL 12/22] " Michael S. Tsirkin
2019-06-28 20:02 ` [Qemu-devel] [PATCH] pc: Move compat_apic_id_mode variable to PCMachineClass Eduardo Habkost
2019-06-29 10:46 ` Philippe Mathieu-Daudé
2019-06-30 21:30 ` Michael S. Tsirkin
2019-07-02 15:08 ` [Qemu-devel] [PULL 18/22] " Michael S. Tsirkin
2019-07-02 15:06 ` [Qemu-devel] [PULL 01/22] pcie: don't skip multi-mask events Michael S. Tsirkin
2019-07-02 15:06 ` [Qemu-devel] [PULL 02/22] pcie: check that slt ctrl changed before deleting Michael S. Tsirkin
2019-07-11 12:31 ` Peter Maydell
2019-07-02 15:06 ` [Qemu-devel] [PULL 03/22] pcie: work around for racy guest init Michael S. Tsirkin
2019-07-02 15:06 ` [Qemu-devel] [PULL 04/22] pcie: minor cleanups for slot control/status Michael S. Tsirkin
2019-07-02 15:56 ` [Qemu-devel] [PULL 00/22] virtio, pc, pci: features, fixes, cleanups Peter Maydell
2019-07-02 17:00 ` Michael S. Tsirkin
2019-07-02 17:20 ` Peter Maydell
2019-07-02 18:22 ` Michael S. Tsirkin
2019-07-02 18:27 ` Peter Maydell
2019-07-02 19:00 ` Michael S. Tsirkin
2019-07-26 12:39 ` Peter Maydell
2019-07-26 13:43 ` Michael S. Tsirkin
2019-07-04 9:25 ` Peter Maydell
2019-07-04 11:03 ` Pankaj Gupta
2019-07-04 21:24 ` Michael S. Tsirkin
2019-07-05 9:37 ` Pankaj Gupta
2019-07-04 21:29 ` Michael S. Tsirkin
2019-07-05 9:47 ` Peter Maydell
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