eeds to be held for userspace requests to change the
number of queues. So we are serialized in this way.
Fixes: 25266128fe16 ("virtio-net: fix race between set queues and probe")
Reported-by: Dragos Tatulea
Acked-by: Michael S. Tsirkin
Signed-off-by: Jason Wang
---
The patch is needed
On Wed, Aug 9, 2023 at 8:56 PM Si-Wei Liu wrote:
>
> Userspace knows if the device has dedicated descriptor group or not
> by checking this feature bit.
>
> It's only exposed if the vdpa driver backend implements the
> .get_vq_desc_group() operation callback. Userspace trying to negotiate
> this f
On Wed, Aug 9, 2023 at 8:56 PM Si-Wei Liu wrote:
>
> Following patchset introduces dedicated group for descriptor table to
> reduce live migration downtime when passthrough VQ is being switched
> to shadow VQ. As this RFC set is to seek early feedback on the uAPI
> and driver API part, for now the
ch corresponds to the
> `reserved` field in struct virtio_net_hash_config, is not zeroed,
> thereby violating the VirtIO standard.
>
> This patch solves this problem by zeroing this field in
> virtnet_init_default_rss().
>
> Sig
On Thu, Aug 10, 2023 at 9:59 AM Xuan Zhuo wrote:
>
>
> Ping!!
>
> Could we push this to the next linux version?
How about implementing the wrappers along with virtqueue_dma_dev() to
see if Christoph is happy?
Thanks
>
> Thanks.
>
___
Virtualization m
re we doing with this patchset? If we are merging anything
> for this release it has to happen now.
I think we can merge this and do optimization on top.
Acked-by: Jason Wang
Thanks
>
> > Dragos Tatulea (1):
> > vdpa/mlx5: Fix mr->initialized semantics
> >
> &g
On Fri, Aug 11, 2023 at 3:45 AM Michael S. Tsirkin wrote:
>
> On Fri, Jul 28, 2023 at 12:31:27PM +0530, Anvesh Jain P wrote:
> > Handle suspend and resume calls for virtio mmio devices from
> > PM core. Expose these notifications to virtio drivers that can quiesce and
> > resume vq operations. Upd
On Fri, Aug 11, 2023 at 3:41 AM Michael S. Tsirkin wrote:
>
> On Tue, Aug 08, 2023 at 10:30:56AM +0800, Jason Wang wrote:
> > On Mon, Jul 31, 2023 at 2:30 PM Jason Wang wrote:
> > >
> > > On Thu, Jul 27, 2023 at 5:46 PM Michael S. Tsirkin
> > > wrote:
>
b53 ("virtio-vdpa: Support interrupt affinity spreading
mechanism")
Signed-off-by: Jason Wang
---
drivers/virtio/virtio_vdpa.c | 17 +++--
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/drivers/virtio/virtio_vdpa.c b/drivers/virtio/virtio_vdpa.c
index 961161
On Fri, Aug 11, 2023 at 1:42 PM Michael S. Tsirkin wrote:
>
> On Fri, Aug 11, 2023 at 10:23:15AM +0800, Jason Wang wrote:
> > On Fri, Aug 11, 2023 at 3:41 AM Michael S. Tsirkin wrote:
> > >
> > > On Tue, Aug 08, 2023 at 10:30:56AM +0800, Jason Wang wrote:
> >
On Fri, Aug 11, 2023 at 5:25 PM Michael S. Tsirkin wrote:
>
> On Fri, Aug 11, 2023 at 05:15:39AM -0400, Jason Wang wrote:
> > We try to build affinity mask via create_affinity_masks()
> > unconditionally which may lead several issues:
> >
> > - the affinity mask
On Fri, Aug 11, 2023 at 5:21 PM Michael S. Tsirkin wrote:
>
> On Fri, Aug 11, 2023 at 05:18:51PM +0800, Jason Wang wrote:
> > On Fri, Aug 11, 2023 at 1:42 PM Michael S. Tsirkin wrote:
> > >
> > > On Fri, Aug 11, 2023 at 10:23:15AM +0800, Jason Wang wrote:
> >
On Fri, Aug 11, 2023 at 5:51 PM Michael S. Tsirkin wrote:
>
> On Fri, Aug 11, 2023 at 05:43:25PM +0800, Jason Wang wrote:
> > On Fri, Aug 11, 2023 at 5:21 PM Michael S. Tsirkin wrote:
> > >
> > > On Fri, Aug 11, 2023 at 05:18:51PM +0800, Jason Wang wrote:
> >
On Fri, Aug 11, 2023 at 5:48 PM Michael S. Tsirkin wrote:
>
> On Fri, Aug 11, 2023 at 05:41:44PM +0800, Jason Wang wrote:
> > On Fri, Aug 11, 2023 at 5:25 PM Michael S. Tsirkin wrote:
> > >
> > > On Fri, Aug 11, 2023 at 05:15:39AM -0400, Jason Wang wrote:
> &g
On Fri, Aug 11, 2023 at 6:21 AM Si-Wei Liu wrote:
>
>
>
> On 8/9/2023 8:10 PM, Jason Wang wrote:
> > On Thu, Aug 10, 2023 at 8:40 AM Si-Wei Liu wrote:
> >>
> >>
> >> On 8/8/2023 11:52 PM, Jason Wang wrote:
> >>> On Wed, Aug 9, 2023 at 6:5
On Thu, Aug 10, 2023 at 8:31 PM Xuan Zhuo wrote:
>
> Added virtqueue_dma_dev() to get DMA device for virtio. Then the
> caller can do dma operation in advance. The purpose is to keep memory
> mapped across multiple add/get buf operations.
>
> Signed-off-by: Xuan Zhuo
> Acke
On Fri, Aug 11, 2023 at 2:55 PM Heng Qi wrote:
>
> Now, virtio-net already supports per-queue notification coalescing parameter
> setting. Based on this, we use the netdim library[1] of linux to support
> dynamic notification coalescing moderation for virtio-net.
>
> [1] https://docs.kernel.org/ne
On Mon, Aug 14, 2023 at 10:15 PM Dragos Tatulea wrote:
>
> On Wed, 2023-08-09 at 09:42 +0800, Jason Wang wrote:
> > On Tue, Aug 8, 2023 at 3:24 PM Dragos Tatulea wrote:
> > >
> > > On Tue, 2023-08-08 at 10:57 +0800, Jason Wang wrote:
> > > > On
On Tue, Aug 15, 2023 at 9:46 AM Si-Wei Liu wrote:
>
> Signed-off-by: Si-Wei Liu
> ---
> include/linux/vdpa.h | 7 +++
> 1 file changed, 7 insertions(+)
>
> diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h
> index db1b0ea..3a3878d 100644
> --- a/include/linux/vdpa.h
> +++ b/include/li
On Tue, Aug 15, 2023 at 9:45 AM Si-Wei Liu wrote:
>
> Signed-off-by: Si-Wei Liu
> ---
> drivers/vhost/vdpa.c | 16 +++-
> include/uapi/linux/vhost_types.h | 2 ++
> 2 files changed, 17 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdp
On Tue, Aug 15, 2023 at 9:45 AM Si-Wei Liu wrote:
>
> Signed-off-by: Si-Wei Liu
> ---
> drivers/vhost/vdpa.c | 17 +
> 1 file changed, 17 insertions(+)
>
> diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
> index b43e868..62b0a01 100644
> --- a/drivers/vhost/vdpa.c
> +++
On Tue, Aug 15, 2023 at 2:32 PM Xuan Zhuo wrote:
>
>
> Hi, Jason
>
> Could you skip this patch?
I'm fine with either merging or dropping this.
>
> Let we review other patches firstly?
I will be on vacation soon, and won't have time to do this until next week.
But I spot two possible "issues":
On Tue, Aug 15, 2023 at 5:40 PM Xuan Zhuo wrote:
>
> On Tue, 15 Aug 2023 15:50:23 +0800, Jason Wang wrote:
> > On Tue, Aug 15, 2023 at 2:32 PM Xuan Zhuo
> > wrote:
> > >
> > >
> > > Hi, Jason
> > >
> > > Could you skip th
On Wed, Aug 16, 2023 at 6:31 AM Si-Wei Liu wrote:
>
>
>
> On 8/14/2023 7:25 PM, Jason Wang wrote:
> > On Tue, Aug 15, 2023 at 9:45 AM Si-Wei Liu wrote:
> >> Signed-off-by: Si-Wei Liu
> >> ---
> >> drivers/vhost/vdpa.c | 16 +++
On Wed, Aug 16, 2023 at 8:02 AM Si-Wei Liu wrote:
>
>
>
> On 8/9/2023 8:50 PM, Jason Wang wrote:
> > On Wed, Aug 9, 2023 at 8:56 PM Si-Wei Liu wrote:
> >> Following patchset introduces dedicated group for descriptor table to
> >> reduce live migration d
On Wed, Aug 16, 2023 at 3:49 AM Si-Wei Liu wrote:
>
>
>
> On 8/14/2023 7:21 PM, Jason Wang wrote:
> > On Tue, Aug 15, 2023 at 9:46 AM Si-Wei Liu wrote:
> >> Signed-off-by: Si-Wei Liu
> >> ---
> >> include/linux/vdpa.h | 7 +++
> >>
On Wed, Aug 16, 2023 at 7:54 AM Si-Wei Liu wrote:
>
>
>
> On 8/9/2023 8:49 PM, Jason Wang wrote:
> > On Wed, Aug 9, 2023 at 8:56 PM Si-Wei Liu wrote:
> >> Userspace knows if the device has dedicated descriptor group or not
> >> by checking this feature bit
On Wed, Aug 16, 2023 at 10:16 AM Xuan Zhuo wrote:
>
> On Wed, 16 Aug 2023 09:13:48 +0800, Jason Wang wrote:
> > On Tue, Aug 15, 2023 at 5:40 PM Xuan Zhuo
> > wrote:
> > >
> > > On Tue, 15 Aug 2023 15:50:23 +0800, Jason Wang
> > > wrote:
>
On Wed, Aug 16, 2023 at 10:24 AM Xuan Zhuo wrote:
>
> On Wed, 16 Aug 2023 10:19:34 +0800, Jason Wang wrote:
> > On Wed, Aug 16, 2023 at 10:16 AM Xuan Zhuo
> > wrote:
> > >
> > > On Wed, 16 Aug 2023 09:13:48 +0800, Jason Wang
> > > wrote:
>
On Tue, Aug 15, 2023 at 4:33 PM Dragos Tatulea wrote:
>
> As Eli Cohen moved to other work, I'll be the contact point for
> mlx5_vdpa.
>
> Signed-off-by: Dragos Tatulea
Acked-by: Jason Wang
Thanks
> ---
> MAINTAINERS | 6 ++
> 1 file changed, 6 insertions(+)
On Mon, Aug 21, 2023 at 10:18 AM Shawn.Shao wrote:
>
> If the shared_buffer allocation fails, need to unregister mgmt_dev first.
>
Please add a Fixes tag.
Other than this
Acked-by: Jason Wang
Thanks
> Signed-off-by: Shawn.Shao
> ---
> drivers/vdpa/vdpa_sim/vdpa_sim_bl
On Mon, Aug 21, 2023 at 9:16 AM Shawn.Shao wrote:
>
> Fix the wrong drivers_autoprobe path name in the document
>
> Signed-off-by: Shawn.Shao
Acked-by: Jason Wang
Thanks
> ---
> Documentation/ABI/testing/sysfs-bus-vdpa | 4 ++--
> 1 file changed, 2 insertions(+), 2
On Thu, Aug 17, 2023 at 7:44 AM Si-Wei Liu wrote:
>
>
>
> On 8/15/2023 6:48 PM, Jason Wang wrote:
> > On Wed, Aug 16, 2023 at 6:31 AM Si-Wei Liu wrote:
> >>
> >>
> >> On 8/14/2023 7:25 PM, Jason Wang wrote:
> >>> On Tue, Aug 15, 2023 at 9:
instead of the UAPI header.
>
> v2->v3
> feedback from Willem de Bruijn
> 1. fix typo in commit message.
> 2. add original struct virtio_net_hdr into union
> 3. remove virtio_net_hdr_mrg_rxbuf variable in receive_buf;
>
> Signed-off-by: Feng Liu
> Reviewed-by: Jiri
l size. vhost_iotlb_del_range() will compute a correct end
> iova. Same for vhost_vdpa_iotlb_unmap().
>
> Signed-off-by: Eric Auger
Cc: sta...@vger.kernel.org
I think we need to document the usage of 0 as msg.size for
IOTLB_INVALIDATE in uapi.
Other than this:
Acked-by: Jason Wang
Tha
Hi Si-Wei:
On Sat, Sep 9, 2023 at 9:34 PM Si-Wei Liu wrote:
>
> On-chip IOMMU parent driver could use it to restore memory mapping
> to the initial state.
As discussed before. On-chip IOMMU is the hardware details that need
to be hidden by the vDPA bus.
Exposing this will complicate the impleme
On Sat, Sep 9, 2023 at 9:46 PM Si-Wei Liu wrote:
>
> Today, mlx5_vdpa gets started by preallocate 1:1 DMA mapping at
> device creation time, while this 1:1 mapping will be implicitly
> destroyed when the first .set_map call is invoked. Everytime
> when the .reset callback is invoked, any mapping l
On Sat, Sep 9, 2023 at 9:46 PM Si-Wei Liu wrote:
>
> Userspace needs this feature flag to distinguish if vhost-vdpa
> iotlb in the kernel supports persistent IOTLB mapping across
> device reset.
As discussed, the IOTLB persists for devices with platform IOMMU at
least. You've mentioned that this
On Sat, Sep 9, 2023 at 4:45 PM Si-Wei Liu wrote:
>
> Following patchset introduces dedicated group for descriptor table to
> reduce live migration downtime when passthrough VQ is being switched
> to shadow VQ. This RFC v2 is sent to incorporate the early feedback
> from reviewers on the uAPI and d
Adding Eugenio and Si Wei.
On Sat, Aug 26, 2023 at 9:24 AM Jiang Dongxu wrote:
>
> From: jiangdongxu
>
> Currently, the vdpa device supports suspend and resume operations.
> To support vdpa device live migration, we need to support logging
> operations and device state save/load opertions.
>
> T
mac 00:11:22:33:44:55
> Unknown option "0xdeadbeef"
>
> Fixes: a4442ce58ebb ("vdpa: allow provisioning device features")
> Signed-off-by: Allen Hubbe
> Reviewed-by: Shannon Nelson
> Reviewed-by: Si-Wei Liu
Acked-by: Jason Wang
Thanks
> ---
> vdpa/
y: Shannon Nelson
> Acked-by: Eugenio Pérez
Acked-by: Jason Wang
Thanks
> ---
> include/linux/virtio_pci_modern.h | 34 ---
> 1 file changed, 22 insertions(+), 12 deletions(-)
>
> diff --git a/include/linux/virtio_pci_modern.h
> b/include
On Mon, Sep 11, 2023 at 3:06 PM Dragos Tatulea wrote:
>
> Hi Jason,
>
> On Mon, 2023-09-11 at 14:43 +0800, Jason Wang wrote:
> > On Sat, Sep 9, 2023 at 4:45 PM Si-Wei Liu wrote:
> > >
> > > Following patchset introduces dedicated group for descriptor table to
On Tue, Sep 12, 2023 at 7:31 AM Si-Wei Liu wrote:
>
> Hi Jason,
>
> On 9/10/2023 8:42 PM, Jason Wang wrote:
> > Hi Si-Wei:
> >
> > On Sat, Sep 9, 2023 at 9:34 PM Si-Wei Liu wrote:
> >> On-chip IOMMU parent driver could use it to restore memory mapping
>
On Tue, Sep 12, 2023 at 8:02 AM Si-Wei Liu wrote:
>
>
>
> On 9/10/2023 8:48 PM, Jason Wang wrote:
> > On Sat, Sep 9, 2023 at 9:46 PM Si-Wei Liu wrote:
> >> Today, mlx5_vdpa gets started by preallocate 1:1 DMA mapping at
> >> device creation time, while
On Tue, Sep 12, 2023 at 8:28 AM Si-Wei Liu wrote:
>
>
>
> On 9/10/2023 8:52 PM, Jason Wang wrote:
> > On Sat, Sep 9, 2023 at 9:46 PM Si-Wei Liu wrote:
> >> Userspace needs this feature flag to distinguish if vhost-vdpa
> >> iotlb in the kernel supports persist
On Tue, Sep 12, 2023 at 11:00 AM Cindy Lu wrote:
>
> In VDUSE_VQ_GET_INFO, the driver will sync the last_avail_idx
> with reconnect info, After mapping the reconnect pages to userspace
> The userspace App will update the reconnect_time in
> struct vhost_reconnect_vring, If this is not 0 then it me
> driver")
> Signed-off-by: Dragos Tatulea
> Reviewed-by: Gal Pressman
Acked-by: Jason Wang
Thanks
> ---
> drivers/vdpa/mlx5/net/debug.c | 5 +++--
> drivers/vdpa/mlx5/net/mlx5_vnet.c | 7 ++-
> drivers/vdpa/mlx5/net/mlx5_vnet.h | 2 +-
> 3 files changed, 6 insert
1a86b377aa21 ("vdpa/mlx5: Add VDPA driver for supported mlx5 devices")
> Signed-off-by: Dragos Tatulea
Acked-by: Jason Wang
Thanks
> ---
> drivers/vdpa/mlx5/net/mlx5_vnet.c | 63 ++-
> drivers/vdpa/mlx5/net/mlx5_vnet.h | 9 +
> 2 files
On Fri, Sep 8, 2023 at 11:25 PM Ming Lei wrote:
>
> On Fri, Sep 08, 2023 at 08:44:45AM -0600, Jens Axboe wrote:
> > On 9/8/23 8:34 AM, Ming Lei wrote:
> > > On Fri, Sep 08, 2023 at 07:49:53AM -0600, Jens Axboe wrote:
> > >> On 9/8/23 3:30 AM, Ming Lei wrote:
> > >>> diff --git a/io_uring/io_uring.
On Tue, Sep 12, 2023 at 11:00 AM Cindy Lu wrote:
>
> Add the function vduse_alloc_reconnnect_info_mem
> and vduse_alloc_reconnnect_info_mem
> In this 2 function, vduse will get/free (vq_num + 1)*page
> Page 0 will be used to save the reconnection information, The
> Userspace App will maintain this
On Tue, Sep 12, 2023 at 11:00 AM Cindy Lu wrote:
>
> Add the operation for mmap, The user space APP will
> use this function to map the pages to userspace
>
> Signed-off-by: Cindy Lu
> ---
> drivers/vdpa/vdpa_user/vduse_dev.c | 63 ++
> 1 file changed, 63 insertions(+
On Tue, Sep 12, 2023 at 11:01 AM Cindy Lu wrote:
>
> In VDUSE_GET_RECONNECT_INFO, the Userspace App can get the map size
> and The number of mapping memory pages from the kernel. The userspace
> App can use this information to map the pages.
>
> Signed-off-by: Cindy Lu
> ---
> drivers/vdpa/vdpa_
x switching
> condition is met.
> +* 3. If the device is up, the user setting fails:
> +* "netlink error: Device or resource busy"
> +* This is not intuitive. Therefore, we keep napi_tx state
> consistent with
> +
On Fri, Sep 22, 2023 at 3:49 AM Jason Gunthorpe wrote:
>
> On Thu, Sep 21, 2023 at 03:13:10PM -0400, Michael S. Tsirkin wrote:
> > On Thu, Sep 21, 2023 at 03:39:26PM -0300, Jason Gunthorpe wrote:
> > > On Thu, Sep 21, 2023 at 12:53:04PM -0400, Michael S. Tsirkin wrote:
> > > > > vdpa is not vfio,
On Fri, Sep 22, 2023 at 4:16 AM Michael S. Tsirkin wrote:
>
> On Thu, Sep 21, 2023 at 04:53:45PM -0300, Jason Gunthorpe wrote:
> > On Thu, Sep 21, 2023 at 03:34:03PM -0400, Michael S. Tsirkin wrote:
> >
> > > that's easy/practical. If instead VDPA gives the same speed with just
> > > shadow vq th
On Fri, Sep 22, 2023 at 6:55 AM Jason Gunthorpe wrote:
>
> On Thu, Sep 21, 2023 at 04:45:45PM -0400, Michael S. Tsirkin wrote:
> > On Thu, Sep 21, 2023 at 04:49:46PM -0300, Jason Gunthorpe wrote:
> > > On Thu, Sep 21, 2023 at 03:13:10PM -0400, Michael S. Tsirkin wrote:
> > > > On Thu, Sep 21, 2023
On Fri, Sep 22, 2023 at 3:53 AM Jason Gunthorpe wrote:
>
> On Thu, Sep 21, 2023 at 03:34:03PM -0400, Michael S. Tsirkin wrote:
>
> > that's easy/practical. If instead VDPA gives the same speed with just
> > shadow vq then keeping this hack in vfio seems like less of a problem.
> > Finally if VDPA
> Signed-off-by: Heng Qi
Acked-by: Jason Wang
Thanks
> ---
> drivers/net/virtio_net.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index fd5bc8d59eda..80d35a864790 100644
> --- a/drivers/ne
t;)
> Cc: Gavin Li
> Signed-off-by: Heng Qi
Acked-by: Jason Wang
Thanks
> ---
> drivers/net/virtio_net.c | 9 +
> 1 file changed, 9 insertions(+)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index 80d35a864790..ce60162d380a 100644
On Tue, Sep 19, 2023 at 3:49 PM Heng Qi wrote:
>
> When the user sets a non-zero coalescing parameter to 0 for a specific
> virtqueue, it does not work as expected, so let's fix this.
>
> Fixes: 394bd87764b6 ("virtio_net: support per queue interrupt coalesce
> command")
> Reported-by: Xiaoming Zh
On Tue, Sep 19, 2023 at 3:49 PM Heng Qi wrote:
>
> According to the definition of virtqueue coalescing spec[1]:
>
> Upon disabling and re-enabling a transmit virtqueue, the device MUST set
> the coalescing parameters of the virtqueue to those configured through the
> VIRTIO_NET_CTRL_NOTF_COA
On Tue, Sep 19, 2023 at 3:49 PM Heng Qi wrote:
>
> Update a comment because virtio-net now supports both
> VIRTIO_NET_F_NOTF_COAL and VIRTIO_NET_F_VQ_NOTF_COAL.
>
> Signed-off-by: Heng Qi
Acked-by: Jason Wang
Thanks
> ---
> drivers/net/virtio_net.c | 2 +-
> 1 f
On Fri, Sep 22, 2023 at 1:02 PM Heng Qi wrote:
>
>
>
> 在 2023/9/22 下午12:29, Jason Wang 写道:
> > On Tue, Sep 19, 2023 at 3:49 PM Heng Qi wrote:
> >> According to the definition of virtqueue coalescing spec[1]:
> >>
> >>Upon disabling and re-enabl
On Fri, Sep 22, 2023 at 3:58 PM Heng Qi wrote:
>
>
>
> 在 2023/9/22 下午3:32, Jason Wang 写道:
> > On Fri, Sep 22, 2023 at 1:02 PM Heng Qi wrote:
> >>
> >>
> >> 在 2023/9/22 下午12:29, Jason Wang 写道:
> >>> On Tue, Sep 19, 2023 at 3:49 PM Heng Q
On Fri, Sep 22, 2023 at 5:56 PM Xuan Zhuo wrote:
>
> On Fri, 22 Sep 2023 15:32:39 +0800, Jason Wang wrote:
> > On Fri, Sep 22, 2023 at 1:02 PM Heng Qi wrote:
> > >
> > >
> > >
> > > 在 2023/9/22 下午12:29, Jason Wang 写道:
> > >
On Fri, Sep 22, 2023 at 8:25 PM Parav Pandit wrote:
>
>
> > From: Jason Gunthorpe
> > Sent: Friday, September 22, 2023 5:53 PM
>
>
> > > And what's more, using MMIO BAR0 then it can work for legacy.
> >
> > Oh? How? Our team didn't think so.
>
> It does not. It was already discussed.
> The device
On Fri, Sep 22, 2023 at 8:11 PM Jason Gunthorpe wrote:
>
> On Fri, Sep 22, 2023 at 11:01:23AM +0800, Jason Wang wrote:
>
> > > Even when it does, there is no real use case to live migrate a
> > > virtio-net function from, say, AWS to GCP.
> >
> > It can h
On Thu, Sep 21, 2023 at 10:07 PM Cindy Lu wrote:
>
> On Mon, Sep 18, 2023 at 4:49 PM Jason Wang wrote:
> >
> > On Tue, Sep 12, 2023 at 11:01 AM Cindy Lu wrote:
> > >
> > > In VDUSE_GET_RECONNECT_INFO, the Userspace App can get the map size
> > > an
On Mon, Sep 25, 2023 at 4:26 PM Parav Pandit wrote:
>
>
>
> > From: Jason Wang
> > Sent: Monday, September 25, 2023 8:00 AM
> >
> > On Fri, Sep 22, 2023 at 8:25 PM Parav Pandit wrote:
> > >
> > >
> > > > From: Ja
On Sun, Sep 24, 2023 at 1:05 AM Cindy Lu wrote:
>
> Hi All
> Really apologize for the delay, this is the draft RFC for
> iommufd support for vdpa, This code provides the basic function
> for iommufd support
>
> The code was tested and passed in device vdpa_sim_net
> The qemu code is
> https://gitl
On Sun, Sep 24, 2023 at 1:06 AM Cindy Lu wrote:
>
> Add new vdpa_config_ops to support iommufd
>
> Signed-off-by: Cindy Lu
> ---
> include/linux/vdpa.h | 34 +-
> 1 file changed, 33 insertions(+), 1 deletion(-)
>
> diff --git a/include/linux/vdpa.h b/include/linux
On Sun, Sep 24, 2023 at 1:05 AM Cindy Lu wrote:
>
> Add a new file vhost/iommufd.c to support the function of
> iommufd, This file contains iommufd function of emulated device and
> the physical device.
>
> Signed-off-by: Cindy Lu
> ---
> drivers/vhost/iommufd.c | 151 +++
On Sun, Sep 24, 2023 at 1:05 AM Cindy Lu wrote:
>
> VHOST_VDPA_SET_IOMMU_FD: bind the device to iommufd device
>
> VDPA_DEVICE_ATTACH_IOMMUFD_AS: Attach a vdpa device to an iommufd
> address space specified by IOAS id.
>
> VDPA_DEVICE_DETACH_IOMMUFD_AS: Detach a vdpa device
> from the iommufd addr
7d ("vringh: implement vringh_kiov_advance()")
> Cc: sta...@vger.kernel.org
> Reported-by: Jason Wang
> Signed-off-by: Stefano Garzarella
Acked-by: Jason Wang
Thanks
> ---
> drivers/vhost/vringh.c | 12 +++-
> 1 file changed, 11 insertions(+), 1 delet
On Tue, Sep 12, 2023 at 9:02 PM Dragos Tatulea wrote:
>
> Necessary for upcoming cvq separation from mr allocation.
>
> Signed-off-by: Dragos Tatulea
Acked-by: Jason Wang
Thanks
> ---
> drivers/vdpa/mlx5/core/mlx5_vdpa.h | 1 +
> drivers/vdpa/mlx5/core/mr.c| 5
unsigned int asid)
> +{
> + if (mvdev->group2asid[MLX5_VDPA_CVQ_GROUP] != asid)
> + return 0;
> +
> + prune_iotlb(mvdev);
> + return dup_iotlb(mvdev, iotlb);
> +}
> +
> int mlx5_vdpa_create_dma_mr(struct mlx5_vd
https://lore.kernel.org/lkml/20230112142218.725622-4-epere...@redhat.com/
>
> Suggested-by: Eugenio Pérez
> Signed-off-by: Dragos Tatulea
Acked-by: Jason Wang
Thanks
> ---
> drivers/vdpa/mlx5/core/mr.c | 10 +-
> 1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/driv
hes.
>
> Signed-off-by: Dragos Tatulea
Acked-by: Jason Wang
Thanks
> ---
> drivers/vdpa/mlx5/core/mr.c | 16 +---
> 1 file changed, 5 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/vdpa/mlx5/core/mr.c b/drivers/vdpa/mlx5/core/mr.c
> index 587300e
On Tue, Sep 12, 2023 at 9:02 PM Dragos Tatulea wrote:
>
> Make mlx5_destroy_mr symmetric to mlx5_create_mr.
>
> Signed-off-by: Dragos Tatulea
Acked-by: Jason Wang
Thanks
> ---
> drivers/vdpa/mlx5/core/mlx5_vdpa.h | 4 ++--
> drivers/vdpa/mlx5/core/mr.c| 6 +
On Tue, Sep 26, 2023 at 12:01 PM Parav Pandit wrote:
>
>
>
> > From: Jason Wang
> > Sent: Tuesday, September 26, 2023 8:03 AM
> >
> > It's the implementation details in legacy. The device needs to make sure
> > (reset)
> > the driver can work (
On Tue, Sep 26, 2023 at 11:45 AM Parav Pandit wrote:
>
>
>
> > From: Michael S. Tsirkin
> > Sent: Tuesday, September 26, 2023 12:06 AM
>
> > One can thinkably do that wait in hardware, though. Just defer completion
> > until
> > read is done.
> >
> Once OASIS does such new interface and if some
On Mon, Sep 25, 2023 at 8:26 PM Jason Gunthorpe wrote:
>
> On Mon, Sep 25, 2023 at 10:34:54AM +0800, Jason Wang wrote:
>
> > > Cloud vendors will similarly use DPUs to create a PCI functions that
> > > meet the cloud vendor's internal specification.
> >
>
On Tue, Sep 12, 2023 at 9:02 PM Dragos Tatulea wrote:
>
> This patch adapts the mr creation/deletion code to be able to work with
> any given mr struct pointer. All the APIs are adapted to take an extra
> parameter for the mr.
>
> mlx5_vdpa_create/delete_mr doesn't need a ASID parameter anymore. T
On Tue, Sep 26, 2023 at 3:21 PM Dragos Tatulea wrote:
>
> On Tue, 2023-09-26 at 12:44 +0800, Jason Wang wrote:
> > On Tue, Sep 12, 2023 at 9:02 PM Dragos Tatulea wrote:
> > >
> > > This patch adapts the mr creation/deletion code to be able to work with
> > &g
On Tue, Sep 26, 2023 at 7:49 PM Michael S. Tsirkin wrote:
>
> On Tue, Sep 26, 2023 at 10:32:39AM +0800, Jason Wang wrote:
> > It's the implementation details in legacy. The device needs to make
> > sure (reset) the driver can work (is done before get_status return).
>
On Mon, Sep 25, 2023 at 11:58 AM Xuan Zhuo wrote:
>
> Now, the function vp_modern_map_capability() takes the size parameter,
> which corresponds to the size of virtio_pci_common_cfg. As a result, the
> pci_iomap_range() function maps the memory area for
> virtio_pci_common_cfg.
>
> However, if the
On Mon, Sep 25, 2023 at 11:58 AM Xuan Zhuo wrote:
>
> Add checks to the check_offsets(void) for queue_notify_data and
> queue_reset.
>
> Signed-off-by: Xuan Zhuo
Acked-by: Jason Wang
Thanks
> ---
> drivers/virtio/virtio_pci_modern_dev.c | 4
> 1 file changed,
On Tue, Sep 26, 2023 at 1:00 PM wrote:
>
> From: Liming Wu
>
> Need to insmod vhost_test.ko before run virtio_test.
> Give some hints to users.
>
> Signed-off-by: Liming Wu
> ---
> tools/virtio/virtio_test.c | 4
> 1 file changed, 4 insertions(+)
>
> diff --git a/tools/virtio/virtio_test.c
On Tue, Sep 26, 2023 at 1:00 PM wrote:
>
> From: Liming Wu
>
> Fixes: 8bd2f71054bd ("virtio_ring: introduce dma sync api for virtqueue")
> also add dma sync api for virtio test.
>
> Signed-off-by: Liming Wu
Acked-by: Jason Wang
Thanks
> ---
>
ffers")
> Reported-by: Michael Roth
> Closes: http://lore.kernel.org/all/20230926130451.axgodaa6tvwqs...@amd.com
> Signed-off-by: Xuan Zhuo
Acked-by: Jason Wang
Thanks
> ---
> drivers/net/virtio_net.c | 14 +++---
> 1 file changed, 7 insertions(+), 7 deletions(-)
&g
On Fri, Sep 29, 2023 at 5:12 PM Maxime Coquelin
wrote:
>
>
>
> On 9/12/23 09:39, Jason Wang wrote:
> > On Tue, Sep 12, 2023 at 11:00 AM Cindy Lu wrote:
> >>
> >> In VDUSE_VQ_GET_INFO, the driver will sync the last_avail_idx
> >> with reconnect info, A
nd")
> Reported-by: Xiaoming Zhao
> Cc: Gavin Li
> Signed-off-by: Heng Qi
Acked-by: Jason Wang
Thanks
> ---
> v1->v2:
> 1. Remove useless comments.
>
> drivers/net/virtio_net.c | 36
> 1 file changed, 16 insertions(
*/
> >> +err = virtnet_send_ctrl_coal_vq_cmd(vi, txq2vq(i),
> >> +
> >> vi->intr_coal_tx.max_usecs,
> >> +
> >> vi
l 21, 2023 at 04:37:00PM +0200, Maxime Coquelin wrote:
> >>>>>>
> >>>>>>
> >>>>>> On 7/20/23 23:02, Michael S. Tsirkin wrote:
> >>>>>>> On Thu, Jul 20, 2023 at 01:26:20PM -0700, Shannon Nelson wrote:
> >>
> allocated at runtime.
>
> Cc: "Michael S. Tsirkin"
> Cc: Jason Wang
> Cc: Xuan Zhuo
> Cc: Xie Yongji
> Signed-off-by: Greg Kroah-Hartman
Acked-by: Jason Wang
Thanks
> ---
> drivers/vdpa/vdpa_user/vduse_dev.c | 40 --
&g
On Sun, Oct 8, 2023 at 8:05 PM Dragos Tatulea wrote:
>
> On Sun, 2023-10-08 at 12:25 +0800, Jason Wang wrote:
> > On Tue, Sep 26, 2023 at 3:21 PM Dragos Tatulea wrote:
> > >
> > > On Tue, 2023-09-26 at 12:44 +0800, Jason Wang wrote:
> > > > On T
On Tue, Oct 10, 2023 at 9:52 AM Akihiko Odaki wrote:
>
> On 2023/10/09 19:44, Willem de Bruijn wrote:
> > On Mon, Oct 9, 2023 at 3:12 AM Akihiko Odaki
> > wrote:
> >>
> >> On 2023/10/09 19:06, Willem de Bruijn wrote:
> >>> On Mon, Oct 9, 2023 at 3:02 AM Akihiko Odaki
> >>> wrote:
>
>
On Tue, Oct 10, 2023 at 1:51 PM Akihiko Odaki wrote:
>
> On 2023/10/10 14:45, Jason Wang wrote:
> > On Tue, Oct 10, 2023 at 9:52 AM Akihiko Odaki
> > wrote:
> >>
> >> On 2023/10/09 19:44, Willem de Bruijn wrote:
> >>> On Mon, Oct 9, 2023 at 3:12
ASID parameter anymore. The
> check is done in the caller instead (mlx5_set_map).
>
> This change is needed for a followup patch which will introduce an
> additional mr for the vq descriptor data.
>
> Signed-off-by: Dragos Tatulea
> Acked-by: E
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