Commit 295525e29a5b ("virtio_net: merge dma operations when filling
mergeable buffers") unmaps the buffer with DMA_ATTR_SKIP_CPU_SYNC when
the dma->ref is zero. We do that with DMA_ATTR_SKIP_CPU_SYNC, because we
do not want to do the sync for the entire page_frag. But that misses the
sync for the
On Tue, 26 Sep 2023 12:01:34 -0400, "Michael S. Tsirkin"
wrote:
> On Thu, Aug 10, 2023 at 08:30:57PM +0800, Xuan Zhuo wrote:
> > Currently, the virtio core will perform a dma operation for each
> > buffer. Although, the same page may be operated multiple times.
> >
> > This patch, the driver
On Tue, 26 Sep 2023 08:04:51 -0500, Michael Roth wrote:
> On Sun, Sep 03, 2023 at 06:13:38PM -0400, Michael S. Tsirkin wrote:
> > The following changes since commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c:
> >
> > Linux 6.5 (2023-08-27 14:49:51 -0700)
> >
> > are available in the Git
On 2023-09-21 a.m.9:57, Michael S. Tsirkin wrote:
External email: Use caution opening links or attachments
On Thu, Sep 21, 2023 at 03:40:32PM +0300, Yishai Hadas wrote:
From: Feng Liu
Introduce support for the admin virtqueue. By negotiating
VIRTIO_F_ADMIN_VQ feature, driver detects
On 2023-09-21 a.m.9:46, Michael S. Tsirkin wrote:
External email: Use caution opening links or attachments
On Thu, Sep 21, 2023 at 03:40:30PM +0300, Yishai Hadas wrote:
From: Feng Liu
Currently VQ deletion callback vp_del_vqs() processes generic
virtio_device level VQ list instead of VQ
On Tue, Sep 26, 2023 at 06:41:58PM +0200, Halil Pasic wrote:
> [..]
> > --- a/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c
> > +++ b/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c
> > @@ -61,8 +61,9 @@ static void virtio_crypto_akcipher_finalize_req(
> > vc_akcipher_req->src_buf =
On Tue, Sep 26, 2023 at 06:20:45PM +0300, Yishai Hadas wrote:
> On 21/09/2023 22:58, Alex Williamson wrote:
> > On Thu, 21 Sep 2023 15:40:40 +0300
> > Yishai Hadas wrote:
> >
> > > Introduce a vfio driver over virtio devices to support the legacy
> > > interface functionality for VFs.
> > >
> >
[..]
> --- a/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c
> +++ b/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c
> @@ -61,8 +61,9 @@ static void virtio_crypto_akcipher_finalize_req(
> vc_akcipher_req->src_buf = NULL;
> vc_akcipher_req->dst_buf = NULL;
>
On Tue, Sep 26, 2023 at 09:28:15AM +0800, Ming Lei wrote:
> On Mon, Sep 25, 2023 at 05:17:10PM -0400, Stefan Hajnoczi wrote:
> > On Fri, Sep 15, 2023 at 03:04:05PM +0800, Jason Wang wrote:
> > > On Fri, Sep 8, 2023 at 11:25 PM Ming Lei wrote:
> > > >
> > > > On Fri, Sep 08, 2023 at 08:44:45AM
On Thu, Aug 10, 2023 at 08:30:57PM +0800, Xuan Zhuo wrote:
> Currently, the virtio core will perform a dma operation for each
> buffer. Although, the same page may be operated multiple times.
>
> This patch, the driver does the dma operation and manages the dma
> address based the feature
On 21/09/2023 22:58, Alex Williamson wrote:
On Thu, 21 Sep 2023 15:40:40 +0300
Yishai Hadas wrote:
Introduce a vfio driver over virtio devices to support the legacy
interface functionality for VFs.
Background, from the virtio spec [1].
Hi Arseniy,
On Fri, Sep 22, 2023 at 08:24:16AM +0300, Arseniy Krasnov wrote:
Hello,
this patchset contains second and third parts of another big patchset
for MSG_ZEROCOPY flag support:
https://lore.kernel.org/netdev/20230701063947.3422088-1-avkras...@sberdevices.ru/
During review of this
On Fri, Sep 22, 2023 at 08:24:28AM +0300, Arseniy Krasnov wrote:
This adds set of tests which use io_uring for rx/tx. This test suite is
implemented as separated util like 'vsock_test' and has the same set of
input arguments as 'vsock_test'. These tests only cover cases of data
transmission (no
On Fri, Sep 22, 2023 at 08:24:26AM +0300, Arseniy Krasnov wrote:
This adds three tests for MSG_ZEROCOPY feature:
1) SOCK_STREAM tx with different buffers.
2) SOCK_SEQPACKET tx with different buffers.
3) SOCK_STREAM test to read empty error queue of the socket.
Signed-off-by: Arseniy Krasnov
On Fri, Sep 22, 2023 at 08:24:24AM +0300, Arseniy Krasnov wrote:
For AF_VSOCK, zerocopy tx mode depends on transport, so this option must
be set in AF_VSOCK implementation where transport is accessible (if
transport is not set during setting SO_ZEROCOPY: for example socket is
not connected, then
On Fri, Sep 22, 2023 at 08:24:18AM +0300, Arseniy Krasnov wrote:
This adds handling of MSG_ERRQUEUE input flag in receive call. This flag
is used to read socket's error queue instead of data queue. Possible
scenario of error queue usage is receiving completions for transmission
with MSG_ZEROCOPY
On Fri, Sep 22, 2023 at 08:24:17AM +0300, Arseniy Krasnov wrote:
If socket's error queue is not empty, EPOLLERR must be set. Otherwise,
reader of error queue won't detect data in it using EPOLLERR bit.
Currently for AF_VSOCK this is reproducible only with MSG_ZEROCOPY, as
this feature is the
On Tue, 2023-09-26 at 05:22 -0700, Si-Wei Liu wrote:
>
>
> On 9/25/2023 12:59 AM, Dragos Tatulea wrote:
> > On Tue, 2023-09-12 at 16:01 +0300, Dragos Tatulea wrote:
> > > This patch series adds support for vq descriptor table mappings which
> > > are used to improve vdpa live migration downtime.
On 9/25/2023 12:59 AM, Dragos Tatulea wrote:
On Tue, 2023-09-12 at 16:01 +0300, Dragos Tatulea wrote:
This patch series adds support for vq descriptor table mappings which
are used to improve vdpa live migration downtime. The improvement comes
from using smaller mappings which take less time
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).
I think that there's no way to make it reliably work for all legacy drivers.
They just assumed
On Tue, Sep 26, 2023 at 02:14:01PM +0300, Yishai Hadas wrote:
> On 22/09/2023 12:54, Michael S. Tsirkin wrote:
> > On Thu, Sep 21, 2023 at 03:40:39PM +0300, Yishai Hadas wrote:
> > > Expose admin commands over the virtio device, to be used by the
> > > vfio-virtio driver in the next patches.
> > >
On Tue, Sep 26, 2023 at 01:51:13PM +0300, Yishai Hadas wrote:
> On 21/09/2023 23:34, Michael S. Tsirkin wrote:
> > On Thu, Sep 21, 2023 at 03:40:39PM +0300, Yishai Hadas wrote:
> > > Expose admin commands over the virtio device, to be used by the
> > > vfio-virtio driver in the next patches.
> > >
On 22/09/2023 12:54, Michael S. Tsirkin wrote:
On Thu, Sep 21, 2023 at 03:40:39PM +0300, Yishai Hadas wrote:
Expose admin commands over the virtio device, to be used by the
vfio-virtio driver in the next patches.
It includes: list query/use, legacy write/read, read notify_info.
Signed-off-by:
On 21/09/2023 23:34, Michael S. Tsirkin wrote:
On Thu, Sep 21, 2023 at 03:40:39PM +0300, Yishai Hadas wrote:
Expose admin commands over the virtio device, to be used by the
vfio-virtio driver in the next patches.
It includes: list query/use, legacy write/read, read notify_info.
Signed-off-by:
On 21/09/2023 19:35, Alex Williamson wrote:
On Thu, 21 Sep 2023 15:40:37 +0300
Yishai Hadas wrote:
Expose vfio_pci_core_setup_barmap() to be used by drivers.
This will let drivers to mmap a BAR and re-use it from both vfio and the
driver when it's applicable.
This API will be used in the
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
> > any given mr struct pointer. All the APIs are adapted to take an extra
> > parameter for the mr.
> >
>
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