On 2020/7/16 下午7:23, Zhu Lingshan wrote:
This commit replaced irq_request/free() with helpers in vDPA
core, so that it can request/free irq and setup irq offloading
on order.
Signed-off-by: Zhu Lingshan
Suggested-by: Jason Wang
---
drivers/vdpa/ifcvf/ifcvf_main.c | 14 +-
1
On 2020/7/16 下午7:23, Zhu Lingshan wrote:
This patch introduce a set of functions for setup/unsetup
and update irq offloading respectively by register/unregister
and re-register the irq_bypass_producer.
Signed-off-by: Zhu Lingshan
Suggested-by: Jason Wang
---
drivers/vhost/Kconfig | 1 +
On 2020/7/16 下午7:23, Zhu Lingshan wrote:
This commit implements IRQ offloading helpers
Let's say "vq irq allocate/free helpers" here.
in vDPA core by
introducing two couple of functions:
vdpa_alloc_vq_irq() and vdpa_free_vq_irq(): request irq and free
irq, will setup irq offloading.
On 2020/7/16 下午7:23, Zhu Lingshan wrote:
vDPA devices has dedicated backed hardware like
passthrough-ed devices. Then it is possible to setup irq
offloading to vCPU for vDPA devices. Thus this patch tries to
manipulated assigned device counters via irqbypass manager.
This part needs some
On 2020/7/16 下午7:23, Zhu Lingshan wrote:
This commit introduces struct vhost_call_ctx which replaced
raw struct eventfd_ctx *call_ctx in struct vhost_virtqueue.
Besides eventfd_ctx, it contains a spin lock and an
irq_bypass_producer in its structure.
Signed-off-by: Zhu Lingshan
Suggested-by:
On Thu, Jul 16, 2020 at 01:19:55PM +0200, Christian Borntraeger wrote:
>
>
> On 15.07.20 13:51, Michael S. Tsirkin wrote:
> > On Wed, Jul 15, 2020 at 06:16:59PM +0800, Jason Wang wrote:
> >>
> >> On 2020/7/15 下午5:50, Michael S. Tsirkin wrote:
> >>> On Wed, Jul 15, 2020 at 10:31:09AM +0200,
Hi Eli,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on next-20200715]
url:
https://github.com/0day-ci/linux/commits/Eli-Cohen/VDPA-support-for-Mellanox-ConnectX-devices/20200716-155039
base:ca0e494af5edb59002665bf12871e94b4163a257
config: ia64-allmodconfig
On 15.07.20 13:51, Michael S. Tsirkin wrote:
> On Wed, Jul 15, 2020 at 06:16:59PM +0800, Jason Wang wrote:
>>
>> On 2020/7/15 下午5:50, Michael S. Tsirkin wrote:
>>> On Wed, Jul 15, 2020 at 10:31:09AM +0200, Pierre Morel wrote:
If protected virtualization is active on s390, the virtio queues
Hi Eli,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on next-20200715]
url:
https://github.com/0day-ci/linux/commits/Eli-Cohen/VDPA-support-for-Mellanox-ConnectX-devices/20200716-155039
base:ca0e494af5edb59002665bf12871e94b4163a257
config: i386-allyesconfig
On Thu, Jul 16, 2020 at 03:01:18PM +0800, teawater wrote:
>
>
> > 2020年7月16日 14:38，Michael S. Tsirkin 写道：
> >
> > On Thu, Jul 16, 2020 at 10:41:50AM +0800, Hui Zhu wrote:
> >> The first, second and third version are in [1], [2] and [3].
> >> Code of current version for Linux and qemu is
Hi Eli,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on next-20200715]
url:
https://github.com/0day-ci/linux/commits/Eli-Cohen/VDPA-support-for-Mellanox-ConnectX-devices/20200716-155039
base:ca0e494af5edb59002665bf12871e94b4163a257
config: mips-allyesconfig
Hi Eli,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on next-20200715]
url:
https://github.com/0day-ci/linux/commits/Eli-Cohen/VDPA-support-for-Mellanox-ConnectX-devices/20200716-155039
base:ca0e494af5edb59002665bf12871e94b4163a257
config: i386
On 2020/7/16 下午4:21, Eli Cohen wrote:
On Thu, Jul 16, 2020 at 04:11:00PM +0800, Jason Wang wrote:
On 2020/7/16 下午3:23, Eli Cohen wrote:
Currently, get_vq_state() is used only to pass the available index value
of a vq. Extend the struct to return status on the VQ to the caller.
For now, define
+Cc Michael, Stefan, virtualization@lists.linux-foundation.org
On Thu, Jul 16, 2020 at 09:06:14AM +0100, Richard W.M. Jones wrote:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1857515
>
> A virtio-blk disk which is backed by a raw file on an SSD,
> inside the guest shows rotational = 1.
>
>
On 2020/7/16 下午4:28, Eli Cohen wrote:
On Thu, Jul 16, 2020 at 04:13:21PM +0800, Jason Wang wrote:
On 2020/7/16 下午3:23, Eli Cohen wrote:
Add code to support registering guest's memory region for the device.
It would be better to use "userspace" memory here since vhost-vDPA
could be used by
On 2020/7/16 下午3:23, Eli Cohen wrote:
Add a front end VDPA driver that registers in the VDPA bus and provides
networking to a guest. The VDPA driver creates the necessary resources
on the VF it is driving such that data path will be offloaded.
Notifications are being communicated through the
On 2020/7/16 下午3:23, Eli Cohen wrote:
Add code to support registering guest's memory region for the device.
It would be better to use "userspace" memory here since vhost-vDPA could
be used by e.g dpdk application on the host in the future.
Thanks
On 2020/7/16 下午3:23, Eli Cohen wrote:
Currently, get_vq_state() is used only to pass the available index value
of a vq. Extend the struct to return status on the VQ to the caller.
For now, define VQ_STATE_NOT_READY. In the future it will be extended to
include other infomration.
Modify current
On 2020/7/16 下午3:23, Eli Cohen wrote:
Fix documentation to match actual function prototypes.
Reviewed-by: Parav Pandit
Signed-off-by: Eli Cohen
Acked-by: Jason Wang
---
drivers/vhost/iotlb.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git
On 2020/7/16 下午2:15, Michael S. Tsirkin wrote:
On Thu, Jul 16, 2020 at 12:20:09PM +0800, Jason Wang wrote:
On 2020/7/16 下午12:13, Zhu, Lingshan wrote:
On 7/16/2020 12:02 PM, Jason Wang wrote:
On 2020/7/16 上午11:59, Zhu, Lingshan wrote:
On 7/16/2020 10:59 AM, Jason Wang wrote:
On 2020/7/16
On 2020/7/16 下午1:42, Michael S. Tsirkin wrote:
On Wed, Jul 15, 2020 at 10:02:32PM +0800, Jason Wang wrote:
On 2020/7/15 下午9:58, Michael S. Tsirkin wrote:
VDPA sim stores config space as native endian, but that
is wrong: modern guests expect LE.
I coded up the following to fix it up, but it is
On Thu, Jul 16, 2020 at 10:41:51AM +0800, Hui Zhu wrote:
> diff --git a/include/uapi/linux/virtio_balloon.h
> b/include/uapi/linux/virtio_balloon.h
> index dc3e656..4d0151a 100644
> --- a/include/uapi/linux/virtio_balloon.h
> +++ b/include/uapi/linux/virtio_balloon.h
> @@ -37,6 +37,7 @@
>
On Thu, Jul 16, 2020 at 10:41:55AM +0800, Hui Zhu wrote:
> This commit adds a vq dcvq to deflate continuous pages.
> When VIRTIO_BALLOON_F_CONT_PAGES is set, try to get continuous pages
> from icvq and use madvise MADV_WILLNEED with the pages.
>
> Signed-off-by: Hui Zhu
This is arguably
On Thu, Jul 16, 2020 at 10:41:50AM +0800, Hui Zhu wrote:
> The first, second and third version are in [1], [2] and [3].
> Code of current version for Linux and qemu is available in [4] and [5].
> Update of this version:
> 1. Report continuous pages will increase the speed. So added deflate
>
On Thu, Jul 16, 2020 at 12:20:09PM +0800, Jason Wang wrote:
>
> On 2020/7/16 下午12:13, Zhu, Lingshan wrote:
> >
> >
> > On 7/16/2020 12:02 PM, Jason Wang wrote:
> > >
> > > On 2020/7/16 上午11:59, Zhu, Lingshan wrote:
> > > >
> > > > On 7/16/2020 10:59 AM, Jason Wang wrote:
> > > > >
> > > > >
On Thu, Jul 16, 2020 at 09:39:17AM +0800, Zhu, Lingshan wrote:
>
> On 7/15/2020 9:43 PM, Jason Wang wrote:
>
>
> On 2020/7/12 下午10:52, Zhu Lingshan wrote:
>
> Hi All,
>
> This series intends to implement IRQ offloading for
> vhost_vdpa.
>
> By the feat of
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