similar to: [PATCH v2] vdpa: make vhost, virtio depend on menu

Now that many more architectures build vhost, a couple of these (um, and arm with deprecated oabi) have reported build failures with randconfig, however fixes for that need a bit more discussion/testing and will be merged separately. Not a regression - these previously simply didn't have vhost at all. Also, there's some DMA API code in the vdpa simulator is hacky - if no solution surfaces

Now that many more architectures build vhost, a couple of these (um, and arm with deprecated oabi) have reported build failures with randconfig, however fixes for that need a bit more discussion/testing and will be merged separately. Not a regression - these previously simply didn't have vhost at all. Also, there's some DMA API code in the vdpa simulator is hacky - if no solution surfaces

set_dma_ops isn't available on all architectures: make ARCH=um ... drivers/vdpa/vdpa_sim/vdpa_sim.c: In function 'vdpasim_create': >> drivers/vdpa/vdpa_sim/vdpa_sim.c:324:2: error: implicit declaration of function 'set_dma_ops'; did you mean 'set_groups'? +[-Werror=implicit-function-declaration] set_dma_ops(dev, &vdpasim_dma_ops);

set_dma_ops isn't available on all architectures: make ARCH=um ... drivers/vdpa/vdpa_sim/vdpa_sim.c: In function 'vdpasim_create': >> drivers/vdpa/vdpa_sim/vdpa_sim.c:324:2: error: implicit declaration of function 'set_dma_ops'; did you mean 'set_groups'? +[-Werror=implicit-function-declaration] set_dma_ops(dev, &vdpasim_dma_ops);

On Thu, Mar 26, 2020 at 3:08 PM Jason Wang <jasowang at redhat.com> wrote: > > From: Zhu Lingshan <lingshan.zhu at intel.com> > > This commit introduced two layers to drive IFC VF: > > (1) ifcvf_base layer, which handles IFC VF NIC hardware operations and > configurations. > > (2) ifcvf_main layer, which complies to VDPA bus framework, >

Hi Jason, On Thu, Mar 26, 2020 at 3:07 PM Jason Wang <jasowang at redhat.com> wrote: > This patch implements a software vDPA networking device. The datapath > is implemented through vringh and workqueue. The device has an on-chip > IOMMU which translates IOVA to PA. For kernel virtio drivers, vDPA > simulator driver provides dma_ops. For vhost driers, set_map() methods > of

On 2/19/20 7:56 PM, Jason Wang wrote: > diff --git a/drivers/virtio/vdpa/Kconfig b/drivers/virtio/vdpa/Kconfig > index 7a99170e6c30..e3656b722654 100644 > --- a/drivers/virtio/vdpa/Kconfig > +++ b/drivers/virtio/vdpa/Kconfig > @@ -7,3 +7,21 @@ config VDPA > datapath which complies with virtio specifications with > vendor specific control path. > >

On 2020/4/24 ??6:04, Zhu Lingshan wrote: > This commit implements config interrupt support > in IFC VF > > Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> > --- > drivers/vdpa/ifcvf/ifcvf_base.c | 3 +++ > drivers/vdpa/ifcvf/ifcvf_base.h | 2 ++ > drivers/vdpa/ifcvf/ifcvf_main.c | 22 +++++++++++++++++++++- > 3 files changed, 26 insertions(+), 1

On Mon, Feb 10, 2020 at 11:56:08AM +0800, Jason Wang wrote: > This patch implements a software vDPA networking device. The datapath > is implemented through vringh and workqueue. The device has an on-chip > IOMMU which translates IOVA to PA. For kernel virtio drivers, vDPA > simulator driver provides dma_ops. For vhost driers, set_map() methods > of vdpa_config_ops is implemented to

get_vq_align returns u16 now, but that's not enough for systems/devices with 64K pages. All callers assign it to a u32 variable anyway, so let's just change the return value type to u32. Cc: "Zhu, Lingshan" <lingshan.zhu at intel.com> Reported-by: Arnd Bergmann <arnd at arndb.de> Signed-off-by: Michael S. Tsirkin <mst at redhat.com> ---

The following changes since commit ceaa837f96adb69c0df0397937cd74991d5d821a: Linux 6.2-rc8 (2023-02-12 14:10:17 -0800) are available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git tags/for_linus for you to fetch changes up to deeacf35c922da579637f5db625af20baafc66ed: vdpa/mlx5: support device features provisioning (2023-02-20 19:27:00 -0500)

On 2020/6/8 ??5:31, Michael S. Tsirkin wrote: > On Mon, Jun 08, 2020 at 05:18:44PM +0800, Jason Wang wrote: >> On 2020/6/8 ??2:32, Michael S. Tsirkin wrote: >>> On Mon, Jun 08, 2020 at 11:32:31AM +0800, Jason Wang wrote: >>>> On 2020/6/7 ??9:51, Michael S. Tsirkin wrote: >>>>> On Fri, Jun 05, 2020 at 04:54:17PM +0800, Jason Wang wrote:

On 2020/6/8 ??5:31, Michael S. Tsirkin wrote: > On Mon, Jun 08, 2020 at 05:18:44PM +0800, Jason Wang wrote: >> On 2020/6/8 ??2:32, Michael S. Tsirkin wrote: >>> On Mon, Jun 08, 2020 at 11:32:31AM +0800, Jason Wang wrote: >>>> On 2020/6/7 ??9:51, Michael S. Tsirkin wrote: >>>>> On Fri, Jun 05, 2020 at 04:54:17PM +0800, Jason Wang wrote:

On 2020/6/8 ??2:32, Michael S. Tsirkin wrote: > On Mon, Jun 08, 2020 at 11:32:31AM +0800, Jason Wang wrote: >> On 2020/6/7 ??9:51, Michael S. Tsirkin wrote: >>> On Fri, Jun 05, 2020 at 04:54:17PM +0800, Jason Wang wrote: >>>> On 2020/6/2 ??3:08, Jason Wang wrote: >>>>>>> +static const struct pci_device_id vp_vdpa_id_table[] = {

On 2020/6/8 ??2:32, Michael S. Tsirkin wrote: > On Mon, Jun 08, 2020 at 11:32:31AM +0800, Jason Wang wrote: >> On 2020/6/7 ??9:51, Michael S. Tsirkin wrote: >>> On Fri, Jun 05, 2020 at 04:54:17PM +0800, Jason Wang wrote: >>>> On 2020/6/2 ??3:08, Jason Wang wrote: >>>>>>> +static const struct pci_device_id vp_vdpa_id_table[] = {

set_dma_ops isn't available on all architectures: make ARCH=um ... drivers/vdpa/vdpa_sim/vdpa_sim.c: In function 'vdpasim_create': >> drivers/vdpa/vdpa_sim/vdpa_sim.c:324:2: error: implicit declaration of function 'set_dma_ops'; did you mean 'set_groups'? +[-Werror=implicit-function-declaration] set_dma_ops(dev, &vdpasim_dma_ops);

Rename the bit to match latest virtio spec. Add a compat macro to avoid breaking existing userspace. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- arch/um/drivers/virtio_uml.c | 2 +- drivers/vdpa/ifcvf/ifcvf_base.h | 2 +- drivers/vdpa/vdpa_sim/vdpa_sim.c | 4 ++-- drivers/vhost/net.c | 4 ++-- drivers/vhost/vdpa.c | 2 +-

Changes from PULL v1: reverted a commit that was also in Andrew Morton's tree, to resolve a merge conflict: this is what Stephen Rothwell was doing to resolve it in linux-next. Now that many more architectures build vhost, a couple of these (um, and arm with deprecated oabi) have reported build failures with randconfig, however fixes for that need a bit more discussion/testing and will

Changes from PULL v1: reverted a commit that was also in Andrew Morton's tree, to resolve a merge conflict: this is what Stephen Rothwell was doing to resolve it in linux-next. Now that many more architectures build vhost, a couple of these (um, and arm with deprecated oabi) have reported build failures with randconfig, however fixes for that need a bit more discussion/testing and will

Live migration of vdpa would typically require re-instate vdpa device with an idential set of configs on the destination node, same way as how source node created the device in the first place. In order to allow live migration orchestration software to export the initial set of vdpa attributes with which the device was created, it will be useful if the vdpa tool can report the config on demand