On Sat, Nov 4, 2023 at 1:17 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
On Sat, Nov 4, 2023 at 1:17 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
On Sat, Nov 4, 2023 at 1:18 AM Cindy Lu wrote:
>
> Expose the function iommu_device_use_default_domain() and
> iommu_device_unuse_default_domain()，
> While vdpa bind the iommufd device and detach the iommu device,
> vdpa need to call the function
> iommu_device_unuse_default_domain() to release
On Sat, Nov 4, 2023 at 1:17 AM Cindy Lu wrote:
>
> Add new vdpa_config_ops function to support iommufd
>
> Signed-off-by: Cindy Lu
> ---
> drivers/vdpa/virtio_pci/vp_vdpa.c | 4
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c
>
On Sat, Nov 4, 2023 at 1:16 AM Cindy Lu wrote:
>
>
> Hi All
> This code provides the iommufd support for vdpa device
> This code fixes the bugs from the last version and also add the asid support.
> rebase on kernel
> v6,6-rc3
> Test passed in the physical device (vp_vdpa), but there are still
NG_BASE
> >
> > To fix, restore the value of cvq->vring.last_avail_idx after calling
> > vringh_init_iotlb.
> >
>
> Fixes tag missing?
+1
>
> Apart from that,
>
> Acked-by: Eugenio Pérez
With the fix tag added.
Acked-by: Jason Wang
Thanks
>
On Wed, Nov 1, 2023 at 5:38 PM Heng Qi wrote:
>
>
>
> 在 2023/10/25 上午9:18, Jason Wang 写道:
> > On Tue, Oct 24, 2023 at 8:03 PM Heng Qi wrote:
> >>
> >>
> >> 在 2023/10/12 下午4:29, Jason Wang 写道:
> >>> On Thu, Oct 12, 2023 at 3:44 PM Heng Qi
On Wed, Nov 1, 2023 at 7:03 PM Heng Qi wrote:
>
>
>
> 在 2023/10/25 下午1:53, Michael S. Tsirkin 写道:
> > On Wed, Oct 25, 2023 at 09:18:27AM +0800, Jason Wang wrote:
> >> On Tue, Oct 24, 2023 at 8:03 PM Heng Qi wrote:
> >>>
> >>>
> >>>
On Wed, Nov 1, 2023 at 6:55 PM Heng Qi wrote:
>
>
>
> 在 2023/10/25 上午11:34, Jason Wang 写道:
> > On Thu, Oct 12, 2023 at 3:44 PM Heng Qi wrote:
> >> By comparing the traffic information in the complete napi processes,
> >> let the virtio-net driver
host-vdpa: Call ida_simple_remove() when failed")
> Signed-off-by: Dan Carpenter
Acked-by: Jason Wang
Thanks
> ---
> drivers/vhost/vdpa.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
> index 9a2343c45df0..1aa67729e18
of the existing structure
> staying unchanged. Add a warning to avoid using sizeof.
>
> Signed-off-by: Michael S. Tsirkin
Acked-by: Jason Wang
Thanks
> ---
> drivers/virtio/virtio_pci_modern_dev.c | 7 ---
> include/linux/virtio_pci_modern.h | 7 ---
> include
s
> > completely zeroed out.
> >
> > Fixes: abebb16254b3 ("vdpa_sim_blk: support shared backend")
> > Suggested-by: Qing Wang
>
> Acked-by: Eugenio Pérez
Acked-by: Jason Wang
Thanks
>
> > Signed-off-by: Stefano Garzarella
> > ---
> > drivers
On Mon, Oct 30, 2023 at 10:06 PM Steven Sistare
wrote:
>
> On 10/27/2023 2:31 AM, Jason Wang wrote:
> > On Fri, Oct 27, 2023 at 4:07 AM Steve Sistare
> > wrote:
> >>
> >> mlx5_vdpa does not preserve userland's view of vring base for the control
On Fri, Oct 27, 2023 at 4:07 AM Steve Sistare wrote:
>
> mlx5_vdpa does not preserve userland's view of vring base for the control
> queue in the following sequence:
>
> ioctl VHOST_SET_VRING_BASE
> ioctl VHOST_VDPA_SET_STATUS VIRTIO_CONFIG_S_DRIVER_OK
> mlx5_vdpa_set_status()
>
On Thu, Oct 12, 2023 at 3:44 PM Heng Qi wrote:
>
> Similar to rx netdim, this patch supports adaptive tx
> coalescing moderation for the virtio-net.
>
> Signed-off-by: Heng Qi
> ---
> drivers/net/virtio_net.c | 143 ---
> 1 file changed, 119 insertions(+), 24
On Thu, Oct 12, 2023 at 3:44 PM Heng Qi wrote:
>
> By comparing the traffic information in the complete napi processes,
> let the virtio-net driver automatically adjust the coalescing
> moderation parameters of each receive queue.
>
> Signed-off-by: Heng Qi
> ---
> drivers/net/virtio_net.c |
On Thu, Oct 12, 2023 at 3:44 PM Heng Qi wrote:
>
> Extract commands to set virtqueue coalescing parameters for reuse
> by ethtool -Q, vq resize and netdim.
>
> Signed-off-by: Heng Qi
Acked-by: Jason Wang
Thanks
> ---
> drivers/n
rsa.
>
> Signed-off-by: Heng Qi
Acked-by: Jason Wang
Thanks
> ---
> drivers/net/virtio_net.c | 6 +-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index a52fd743504a..cf5d2ef4bd24 100644
&
On Tue, Oct 24, 2023 at 8:03 PM Heng Qi wrote:
>
>
>
> 在 2023/10/12 下午4:29, Jason Wang 写道:
> > On Thu, Oct 12, 2023 at 3:44 PM Heng Qi wrote:
> >> Now, virtio-net already supports per-queue moderation parameter
> >> setting. Based on this, we use th
On Wed, Oct 25, 2023 at 12:25 AM Si-Wei Liu wrote:
>
>
>
> On 10/24/2023 9:21 AM, Si-Wei Liu wrote:
> >
> >
> > On 10/23/2023 10:45 PM, Jason Wang wrote:
> >> On Sat, Oct 21, 2023 at 5:28 PM Si-Wei Liu
> >> wrote:
> >>> Usin
On Sat, Oct 21, 2023 at 5:28 PM Si-Wei Liu wrote:
>
> Using .compat_reset op from the previous patch, the buggy .reset
> behaviour can be kept as-is on older userspace apps, which don't ack the
> IOTLB_PERSIST backend feature. As this compatibility quirk is limited to
> those drivers that used to
pace one
to avoid things like spec barriers or SMAP.
I've tried this in the past:
commit 7f466032dc9e5a61217f22ea34b2df932786bbfc (HEAD)
Author: Jason Wang
Date: Fri May 24 04:12:18 2019 -0400
vhost: access vq metadata through kernel virtual address
It was noticed that the copy_to/f
Hi Si-Wei:
On Sat, Oct 21, 2023 at 5:28 PM Si-Wei Liu wrote:
>
> In order to reduce needlessly high setup and teardown cost
> of iotlb mapping during live migration, it's crucial to
> decouple the vhost-vdpa iotlb abstraction from the virtio
> device life cycle, i.e. iotlb mappings should be
On Fri, Oct 20, 2023 at 11:58 PM Maxime Coquelin
wrote:
>
> This patch introduces LSM hooks for devices creation,
> destruction and opening operations, checking the
> application is allowed to perform these operations for
> the Virtio device type.
>
> Signed-off-by: Maxime Coquelin
> ---
Hi
On Fri, Oct 20, 2023 at 11:58 PM Maxime Coquelin
wrote:
>
> Virtio-net driver control queue implementation is not safe
> when used with VDUSE. If the VDUSE application does not
> reply to control queue messages, it currently ends up
> hanging the kernel thread sending this command.
>
> Some work
On Thu, Oct 19, 2023 at 3:20 PM Xuan Zhuo wrote:
>
> On Thu, 19 Oct 2023 14:12:55 +0800, Jason Wang wrote:
> > On Mon, Oct 16, 2023 at 8:00 PM Xuan Zhuo
> > wrote:
> > >
> > > Move some structure definitions and inline functions into the
> > > vir
On Mon, Oct 16, 2023 at 8:01 PM Xuan Zhuo wrote:
>
> If send queue sent some packets, we update the tx timeout
> record to prevent the tx timeout.
>
> Signed-off-by: Xuan Zhuo
Acked-by: Jason Wang
Thanks
> ---
> drivers/net/virtio/xsk.c | 10 ++
> 1 fil
On Mon, Oct 16, 2023 at 8:01 PM Xuan Zhuo wrote:
>
> Implementing the logic of xsk rx. If this packet is not for XSK
> determined in XDP, then we need to copy once to generate a SKB.
> If it is for XSK, it is a zerocopy receive packet process.
>
> Signed-off-by: Xuan Zhuo
> ---
>
On Mon, Oct 16, 2023 at 8:01 PM Xuan Zhuo wrote:
>
> Implement the logic of filling vq with XSK buffer.
>
> Signed-off-by: Xuan Zhuo
> ---
> drivers/net/virtio/main.c | 13 +++
> drivers/net/virtio/virtio_net.h | 5 +++
> drivers/net/virtio/xsk.c| 66
On Mon, Oct 16, 2023 at 8:01 PM Xuan Zhuo wrote:
>
> virtnet_sq_free_unused_buf() check xsk buffer.
>
> Signed-off-by: Xuan Zhuo
Acked-by: Jason Wang
Thanks
> ---
> drivers/net/virtio/main.c | 6 --
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff
On Mon, Oct 16, 2023 at 8:01 PM Xuan Zhuo wrote:
>
> xsk wakeup is used to trigger the logic for xsk xmit by xsk framework or
> user.
>
> Virtio-Net does not support to actively generate an interruption, so it
> tries to trigger tx NAPI on the tx interrupt cpu.
>
> Consider the effect of cache.
On Mon, Oct 16, 2023 at 8:01 PM Xuan Zhuo wrote:
>
> The driver's tx napi is very important for XSK. It is responsible for
> obtaining data from the XSK queue and sending it out.
>
> At the beginning, we need to trigger tx napi.
>
> Signed-off-by: Xuan Zhuo
> ---
> drivers/net/virtio/main.c
On Mon, Oct 16, 2023 at 8:01 PM Xuan Zhuo wrote:
>
> Since xsk's TX queue is consumed by TX NAPI, if sq is bound to xsk, then
> we must stop tx napi from being disabled.
>
> Signed-off-by: Xuan Zhuo
Acked-by: Jason Wang
Thanks
> ---
> drivers/net/virtio/main.c | 10
On Mon, Oct 16, 2023 at 8:01 PM Xuan Zhuo wrote:
>
> This patch implement the logic of bind/unbind xsk pool to sq and rq.
>
> Signed-off-by: Xuan Zhuo
> ---
> drivers/net/virtio/Makefile | 2 +-
> drivers/net/virtio/main.c | 10 +-
> drivers/net/virtio/virtio_net.h | 18
>
On Mon, Oct 16, 2023 at 8:01 PM Xuan Zhuo wrote:
>
> If the xsk is enabling, the xsk tx will share the send queue.
> But the xsk requires that the send queue use the premapped mode.
> So the send queue must support premapped mode.
>
> Signed-off-by: Xuan Zhuo
> ---
> drivers/net/virtio/main.c
On Fri, Oct 20, 2023 at 6:28 AM Si-Wei Liu wrote:
>
>
>
> On 10/19/2023 7:39 AM, Eugenio Perez Martin wrote:
> > On Thu, Oct 19, 2023 at 10:27 AM Jason Wang wrote:
> >> On Thu, Oct 19, 2023 at 2:47 PM Si-Wei Liu wrote:
> >>>
> >>>
> >
On Thu, Oct 19, 2023 at 2:47 PM Si-Wei Liu wrote:
>
>
>
> On 10/18/2023 7:53 PM, Jason Wang wrote:
> > On Wed, Oct 18, 2023 at 4:49 PM Si-Wei Liu wrote:
> >>
> >>
> >> On 10/18/2023 12:00 AM, Jason Wang wrote:
> >>>> Unfortunat
On Mon, Oct 16, 2023 at 8:00 PM Xuan Zhuo wrote:
>
> This patch separates two sub-functions from virtnet_tx_resize():
>
> * virtnet_tx_pause
> * virtnet_tx_resume
>
> Then the subsequent virtnet_tx_reset() can share these two functions.
>
> Signed-off-by: Xuan Zhuo
Ac
On Mon, Oct 16, 2023 at 8:00 PM Xuan Zhuo wrote:
>
> This patch separates two sub-functions from virtnet_rx_resize():
>
> * virtnet_rx_pause
> * virtnet_rx_resume
>
> Then the subsequent reset rx for xsk can share these two functions.
>
> Signed-off-by: Xuan Zhuo
Ac
On Mon, Oct 16, 2023 at 8:01 PM Xuan Zhuo wrote:
>
> We move some structures and APIs to the header file, but these
> structures and APIs do not prefixed with virtnet. This patch adds
> virtnet for these.
What's the benefit of doing this? AFAIK virtio-net is the only user
for virtio-net.h?
On Mon, Oct 16, 2023 at 8:00 PM Xuan Zhuo wrote:
>
> Move some structure definitions and inline functions into the
> virtio_net.h file.
Some of the functions are not inline one before the moving. I'm not
sure what's the criteria to choose the function to be moved.
>
> Signed-off-by: Xuan Zhuo
On Mon, Oct 16, 2023 at 8:01 PM Xuan Zhuo wrote:
>
> Create a separate directory for virtio-net. AF_XDP support will be added
> later, then a separate xsk.c file will be added, so we should create a
> directory for virtio-net.
>
> Signed-off-by: Xuan Zhuo
Acked-by: J
er old xmit ptr.
>
> Signed-off-by: Xuan Zhuo
Acked-by: Jason Wang
Thanks
> ---
> drivers/net/virtio_net.c | 76 +---
> 1 file changed, 33 insertions(+), 43 deletions(-)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
>
On Mon, Oct 16, 2023 at 8:00 PM Xuan Zhuo wrote:
>
> Since free_old_xmit_skbs not only deals with skb, but also xdp frame and
> subsequent added xsk, so change the name of this function to
> free_old_xmit.
>
> Signed-off-by: Xuan Zhuo
Acked-by: Jason Wang
Thanks
&g
On Wed, Oct 18, 2023 at 4:49 PM Si-Wei Liu wrote:
>
>
>
> On 10/18/2023 12:00 AM, Jason Wang wrote:
> >> Unfortunately, it's a must to stick to ABI. I agree it's a mess but we
> >> don't have a better choice. Or we can fail the probe if userspace
> >> doesn'
On Thu, Oct 19, 2023 at 7:21 AM Si-Wei Liu wrote:
>
>
>
> On 10/18/2023 4:14 AM, Eugenio Perez Martin wrote:
> > On Wed, Oct 18, 2023 at 10:44 AM Si-Wei Liu wrote:
> >>
> >>
> >> On 10/17/2023 10:27 PM, Jason Wang wrote:
> >&g
On Wed, Oct 18, 2023 at 1:27 PM Jason Wang wrote:
>
> On Wed, Oct 18, 2023 at 12:36 PM Si-Wei Liu wrote:
> >
> >
> >
> > On 10/16/2023 7:35 PM, Jason Wang wrote:
> > > On Tue, Oct 17, 2023 at 4:30 AM Si-Wei Liu wrote:
> > >>
> > &g
On Wed, Oct 18, 2023 at 12:36 PM Si-Wei Liu wrote:
>
>
>
> On 10/16/2023 7:35 PM, Jason Wang wrote:
> > On Tue, Oct 17, 2023 at 4:30 AM Si-Wei Liu wrote:
> >>
> >>
> >> On 10/16/2023 4:28 AM, Eugenio Perez Martin wrote:
> >>> On Mon, Oct
On Wed, Oct 18, 2023 at 11:38 AM Xuan Zhuo wrote:
>
> On Tue, 17 Oct 2023 19:19:41 +0800, Xuan Zhuo
> wrote:
> > On Tue, 17 Oct 2023 14:43:33 +0800, Xuan Zhuo
> > wrote:
> > > On Tue, 17 Oct 2023 14:26:01 +0800, Jason Wang
> > > wrote:
> >
On Tue, Oct 17, 2023 at 7:28 PM Xuan Zhuo wrote:
>
> On Tue, 17 Oct 2023 14:43:33 +0800, Xuan Zhuo
> wrote:
> > On Tue, 17 Oct 2023 14:26:01 +0800, Jason Wang wrote:
> > > On Tue, Oct 17, 2023 at 2:17 PM Xuan Zhuo
> > > wrote:
> > > >
> >
On Tue, Oct 17, 2023 at 3:00 PM Xuan Zhuo wrote:
>
> On Tue, 17 Oct 2023 14:26:01 +0800, Jason Wang wrote:
> > On Tue, Oct 17, 2023 at 2:17 PM Xuan Zhuo
> > wrote:
> > >
> > > On Tue, 17 Oct 2023 13:27:47 +0800, Jason Wang
> > > wrote:
> &
On Tue, Oct 17, 2023 at 2:17 PM Xuan Zhuo wrote:
>
> On Tue, 17 Oct 2023 13:27:47 +0800, Jason Wang wrote:
> > On Tue, Oct 17, 2023 at 11:28 AM Jason Wang wrote:
> > >
> > > On Tue, Oct 17, 2023 at 11:26 AM Xuan Zhuo
> > > wrote:
> > > >
>
On Tue, Oct 17, 2023 at 11:28 AM Jason Wang wrote:
>
> On Tue, Oct 17, 2023 at 11:26 AM Xuan Zhuo wrote:
> >
> > On Tue, 17 Oct 2023 11:20:41 +0800, Jason Wang wrote:
> > > On Tue, Oct 17, 2023 at 11:11 AM Xuan Zhuo
> > > wrote:
> > > >
> &
On Tue, Oct 17, 2023 at 11:26 AM Xuan Zhuo wrote:
>
> On Tue, 17 Oct 2023 11:20:41 +0800, Jason Wang wrote:
> > On Tue, Oct 17, 2023 at 11:11 AM Xuan Zhuo
> > wrote:
> > >
> > > On Tue, 17 Oct 2023 10:53:44 +0800, Jason Wang
> > > wrote:
>
On Tue, Oct 17, 2023 at 11:11 AM Xuan Zhuo wrote:
>
> On Tue, 17 Oct 2023 10:53:44 +0800, Jason Wang wrote:
> > On Mon, Oct 16, 2023 at 8:00 PM Xuan Zhuo
> > wrote:
> > >
> > > ## AF_XDP
> > >
> > > XDP socket(AF_XDP) is an excellent bypas
On Mon, Oct 16, 2023 at 8:00 PM Xuan Zhuo wrote:
>
> ## AF_XDP
>
> XDP socket(AF_XDP) is an excellent bypass kernel network framework. The zero
> copy feature of xsk (XDP socket) needs to be supported by the driver. The
> performance of zero copy is very good. mlx5 and intel ixgbe already support
On Tue, Oct 17, 2023 at 7:53 AM Alexei Starovoitov
wrote:
>
> On Sun, Oct 15, 2023 at 10:10 AM Akihiko Odaki
> wrote:
> >
> > On 2023/10/16 1:07, Alexei Starovoitov wrote:
> > > On Sun, Oct 15, 2023 at 7:17 AM Akihiko Odaki
> > > wrote:
> > >>
> > >> diff --git a/include/uapi/linux/bpf.h
On Tue, Oct 17, 2023 at 4:30 AM Si-Wei Liu wrote:
>
>
>
> On 10/16/2023 4:28 AM, Eugenio Perez Martin wrote:
> > On Mon, Oct 16, 2023 at 8:33 AM Jason Wang wrote:
> >> On Fri, Oct 13, 2023 at 3:36 PM Si-Wei Liu wrote:
> >>>
> >>>
> >>&
On Fri, Oct 13, 2023 at 3:36 PM Si-Wei Liu wrote:
>
>
>
> On 10/12/2023 8:01 PM, Jason Wang wrote:
> > On Tue, Oct 10, 2023 at 5:05 PM Si-Wei Liu wrote:
> >> Devices with on-chip IOMMU or vendor specific IOTLB implementation
> >> may need to restore iotlb map
On Fri, Oct 13, 2023 at 3:36 PM Si-Wei Liu wrote:
>
>
>
> On 10/12/2023 7:49 PM, Jason Wang wrote:
> > On Tue, Oct 10, 2023 at 5:05 PM Si-Wei Liu wrote:
> >> Device specific IOMMU parent driver who wishes to see mapping to be
> >> decoupled from virtio or
On Tue, Oct 10, 2023 at 5:05 PM Si-Wei Liu wrote:
>
> Since commit 6f5312f80183 ("vdpa/mlx5: Add support for running with
> virtio_vdpa"), mlx5_vdpa starts with preallocate 1:1 DMA MR at device
> creation time. This 1:1 DMA MR will be implicitly destroyed while
> the first .set_map call is
On Tue, Oct 10, 2023 at 5:05 PM Si-Wei Liu wrote:
>
> Devices with on-chip IOMMU or vendor specific IOTLB implementation
> may need to restore iotlb mapping to the initial or default state
> using the .reset_map op, as it's desirable for some parent devices
> to solely manipulate mappings by its
a
> * Returns integer: success (0) or error (< 0)
> + * @reset_map: Reset device memory mapping to the default
> + * state (optional)
I think we need to mention that this is a must for parents that use set_m
On Thu, Oct 12, 2023 at 4:29 PM Jason Wang wrote:
>
> On Thu, Oct 12, 2023 at 3:44 PM Heng Qi wrote:
> >
> > Now, virtio-net already supports per-queue moderation parameter
> > setting. Based on this, we use the netdim library of linux to support
> > dynamic coales
On Thu, Oct 12, 2023 at 6:44 PM Xianting Tian
wrote:
>
>
> 在 2023/10/12 下午3:55, Jason Wang 写道:
> > On Thu, Oct 12, 2023 at 9:43 AM Xianting Tian
> > wrote:
> >> cgroup attach work and dev flush work will both be added to dev work
> >> list in vh
On Thu, Oct 12, 2023 at 3:44 PM Heng Qi wrote:
>
> Now, virtio-net already supports per-queue moderation parameter
> setting. Based on this, we use the netdim library of linux to support
> dynamic coalescing moderation for virtio-net.
>
> Due to hardware scheduling issues, we only tested rx dim.
On Thu, Oct 12, 2023 at 9:43 AM Xianting Tian
wrote:
>
> cgroup attach work and dev flush work will both be added to dev work
> list in vhost_attach_cgroups() when set dev owner:
> static int vhost_attach_cgroups(struct vhost_dev *dev)
> {
> struct
On Thu, Oct 12, 2023 at 9:58 AM Xuan Zhuo wrote:
>
> On Wed, 11 Oct 2023 10:00:57 -0700, Jakub Kicinski wrote:
> > On Wed, 11 Oct 2023 17:27:06 +0800 Xuan Zhuo wrote:
> > > ## AF_XDP
> > >
> > > XDP socket(AF_XDP) is an excellent bypass kernel network framework. The
> > > zero
> > > copy
On Tue, Oct 10, 2023 at 3:58 PM Xuan Zhuo wrote:
>
> On Tue, 10 Oct 2023 14:41:39 +0800, Jason Wang wrote:
> > On Tue, Oct 10, 2023 at 11:11 AM Xuan Zhuo
> > wrote:
> > >
> > > Some buggy devices, the common cfg size may not match the features.
> > >
On Tue, Oct 10, 2023 at 2:19 PM Akihiko Odaki wrote:
>
> On 2023/10/10 15:00, Jason Wang 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 Ak
On Sat, Sep 30, 2023 at 4:46 AM Jakub Sitnicki wrote:
>
> Some virtual devices, such as the virtio network device, can use multiple
> virtqueues (or multiple pairs of virtqueues in the case of a vNIC). In such
> case, when there are multiple vCPUs present, it is possible to process
> virtqueue
n available buffer notifications.
>
> It comes from here:
> https://github.com/oasis-tcs/virtio-spec/issues/89
>
> Signed-off-by: Xuan Zhuo
Acked-by: Jason Wang
Thanks
> ---
> include/uapi/linux/virtio_config.h | 5 +
> 1 file changed, 5 insertions(+)
>
> diff --git a
tio_pci_common_cfg, but some feature(such
> as the _F_RING_RESET) needs the virtio_pci_modern_common_cfg, so this
> commit changes the size to the size of virtio_pci_modern_common_cfg.
>
> Fixes: 0b50cece0b78 ("virtio_pci: introduce helper to get/set queue reset")
> Sign
On Tue, Oct 10, 2023 at 11:11 AM Xuan Zhuo wrote:
>
> Some buggy devices, the common cfg size may not match the features.
>
> This patch checks the common cfg size for the
> features(VIRTIO_F_NOTIF_CONFIG_DATA, VIRTIO_F_RING_RESET). When the
> common cfg size does not match the corresponding
;
> This patch adds support for the above mentioned flow by saving the iotlb
> on each .set_map and updating the cvq iotlb with it on a cvq group change.
>
> Acked-by: Eugenio Pérez
> Signed-off-by: Dragos Tatulea
> ---
Acked-by: Jason Wang
Thanks
__
On Mon, Oct 9, 2023 at 7:25 PM Dragos Tatulea wrote:
>
> They will be used in a follow-up patch.
>
> For dup_iotlb, avoid the src == dst case. This is an error.
>
> Acked-by: Eugenio Pérez
> Signed-off-by: Dragos Tatulea
Acked-by
on
> for ASID 1.
>
> This patch fills in both the vq data and vq descriptor mkeys based on
> group ASID mapping.
>
> The feature is signaled to the vdpa core through the presence of the
> .get_vq_desc_group op.
>
> Acked-by: Eugenio Pérez
> Signed-off-by: D
ll add hardware support for mapping the vq descriptors.
>
> Acked-by: Eugenio Pérez
> Signed-off-by: Dragos Tatulea
> ---
Acked-by: Jason Wang
Thanks
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be NULL when not initialized.
>
> Acked-by: Eugenio Pérez
> Signed-off-by: Dragos Tatulea
> ---
Acked-by: Jason Wang
Thanks
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e appropriate name.
>
> Signed-off-by: Dragos Tatulea
> Acked-by: Eugenio Pérez
Acked-by: Jason Wang
Thanks
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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: Eugeni
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, Oc
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 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
ated 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 --
> 1 file
gt; On Fri, Jul 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:
> >>
*/
> >> +err = virtnet_send_ctrl_coal_vq_cmd(vi, txq2vq(i),
> >> +
> >> vi->intr_coal_tx.max_usecs,
> >> +
> >> vi
ot;)
> 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(+), 2
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
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 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
> ---
>
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
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 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
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 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
> >
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.
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 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 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 (is
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