On 2021/1/20 下午2:52, Yongji Xie wrote:
On Wed, Jan 20, 2021 at 12:24 PM Jason Wang wrote:
On 2021/1/19 下午12:59, Xie Yongji wrote:
Now we have a global percpu counter to limit the recursion depth
of eventfd_signal(). This can avoid deadlock or stack overflow.
But in stack overflow case, it
On 2021/1/20 下午3:52, Yongji Xie wrote:
On Wed, Jan 20, 2021 at 2:24 PM Jason Wang wrote:
On 2021/1/19 下午12:59, Xie Yongji wrote:
Add an opaque pointer for vhost IOTLB to store the
corresponding vma->vm_file and offset on the DMA mapping.
Let's split the patch into two.
1) opaque
On 2021/1/20 下午3:10, Yongji Xie wrote:
On Wed, Jan 20, 2021 at 1:55 PM Jason Wang wrote:
On 2021/1/19 下午12:59, Xie Yongji wrote:
This patches introduces SVA (Shared Virtual Addressing)
support for vDPA device. During vDPA device allocation,
vDPA device driver needs to indicate whether SVA
On 2021/1/27 下午5:11, Yongji Xie wrote:
On Wed, Jan 27, 2021 at 11:38 AM Jason Wang wrote:
On 2021/1/20 下午2:52, Yongji Xie wrote:
On Wed, Jan 20, 2021 at 12:24 PM Jason Wang wrote:
On 2021/1/19 下午12:59, Xie Yongji wrote:
Now we have a global percpu counter to limit the recursion depth
of
On 2021/1/27 下午4:57, Stefano Garzarella wrote:
On Wed, Jan 27, 2021 at 11:33:03AM +0800, Jason Wang wrote:
On 2021/1/20 下午7:08, Stefano Garzarella wrote:
On Wed, Jan 20, 2021 at 11:46:38AM +0800, Jason Wang wrote:
On 2021/1/19 下午12:59, Xie Yongji wrote:
With VDUSE, we should be able to
On 2021/1/27 下午4:50, Yongji Xie wrote:
On Tue, Jan 26, 2021 at 4:09 PM Jason Wang wrote:
On 2021/1/19 下午1:07, Xie Yongji wrote:
This VDUSE driver enables implementing vDPA devices in userspace.
Both control path and data path of vDPA devices will be able to
be handled in userspace.
In
On 2021/1/28 上午11:52, Yongji Xie wrote:
On Thu, Jan 28, 2021 at 11:05 AM Jason Wang wrote:
On 2021/1/27 下午5:11, Yongji Xie wrote:
On Wed, Jan 27, 2021 at 11:38 AM Jason Wang wrote:
On 2021/1/20 下午2:52, Yongji Xie wrote:
On Wed, Jan 20, 2021 at 12:24 PM Jason Wang wrote:
On 2021/1/19 下
On 2021/1/28 下午2:03, Yongji Xie wrote:
+
+static const struct file_operations vduse_domain_fops = {
+ .mmap = vduse_domain_mmap,
+ .release = vduse_domain_release,
+};
It's better to explain the reason for introducing a dedicated file for
mmap() here.
To make the implementation of io
On 2021/1/28 下午9:41, Eli Cohen wrote:
suspend_vq should only suspend the VQ on not save the current available
index. This is done when a change of map occurs when the driver calls
save_channel_info().
Signed-off-by: Eli Cohen
Acked-by: Jason Wang
---
drivers/vdpa/mlx5/net
On 2021/1/28 下午9:41, Eli Cohen wrote:
When a change of memory map occurs, the hardware resources are destroyed
and then re-created again with the new memory map. In such case, we need
to restore the hardware available and used indices. The driver failed to
restore the used index which is added
On 2021/2/1 上午2:55, Eli Cohen wrote:
On Fri, Jan 29, 2021 at 11:49:45AM +0800, Jason Wang wrote:
On 2021/1/28 下午9:41, Eli Cohen wrote:
When a change of memory map occurs, the hardware resources are destroyed
and then re-created again with the new memory map. In such case, we need
to restore
On 2021/2/1 下午1:52, Eli Cohen wrote:
On Mon, Feb 01, 2021 at 11:36:23AM +0800, Jason Wang wrote:
On 2021/2/1 上午2:55, Eli Cohen wrote:
On Fri, Jan 29, 2021 at 11:49:45AM +0800, Jason Wang wrote:
On 2021/1/28 下午9:41, Eli Cohen wrote:
When a change of memory map occurs, the hardware resources
On 2021/2/1 下午2:38, Eli Cohen wrote:
On Mon, Feb 01, 2021 at 02:00:35PM +0800, Jason Wang wrote:
On 2021/2/1 下午1:52, Eli Cohen wrote:
On Mon, Feb 01, 2021 at 11:36:23AM +0800, Jason Wang wrote:
On 2021/2/1 上午2:55, Eli Cohen wrote:
On Fri, Jan 29, 2021 at 11:49:45AM +0800, Jason Wang wrote
On 2021/1/29 上午8:21, Wei Wang wrote:
With the implementation of napi-tx in virtio driver, we clean tx
descriptors from rx napi handler, for the purpose of reducing tx
complete interrupts. But this could introduce a race where tx complete
interrupt has been raised, but the handler found there is
On 2021/2/2 上午3:17, Si-Wei Liu wrote:
On Mon, Feb 1, 2021 at 10:51 AM Si-Wei Liu wrote:
On Thu, Jan 28, 2021 at 5:46 AM Eli Cohen wrote:
suspend_vq should only suspend the VQ on not save the current available
index. This is done when a change of map occurs when the driver calls
save_channel
On 2021/2/2 下午12:15, Si-Wei Liu wrote:
On Mon, Feb 1, 2021 at 7:13 PM Jason Wang wrote:
On 2021/2/2 上午3:17, Si-Wei Liu wrote:
On Mon, Feb 1, 2021 at 10:51 AM Si-Wei Liu wrote:
On Thu, Jan 28, 2021 at 5:46 AM Eli Cohen wrote:
suspend_vq should only suspend the VQ on not save the current
On 2021/2/23 7:50 下午, Xie Yongji wrote:
Increase the recursion depth of eventfd_signal() to 1. This
is the maximum recursion depth we have found so far.
Signed-off-by: Xie Yongji
Acked-by: Jason Wang
It might be useful to explain how/when we can reach for this condition.
Thanks
On 2021/2/23 7:50 下午, Xie Yongji wrote:
Use vhost_dev->mutex to protect vhost device iotlb from
concurrent access.
Fixes: 4c8cf318("vhost: introduce vDPA-based backend")
Signed-off-by: Xie Yongji
---
drivers/vhost/vdpa.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/vhost/v
On 2021/2/23 7:50 下午, Xie Yongji wrote:
Add an opaque pointer for DMA mapping.
Suggested-by: Jason Wang
Signed-off-by: Xie Yongji
Acked-by: Jason Wang
---
drivers/vdpa/vdpa_sim/vdpa_sim.c | 6 +++---
drivers/vhost/vdpa.c | 2 +-
include/linux/vdpa.h | 2
On 2021/2/23 7:50 下午, Xie Yongji wrote:
Add an opaque pointer for vhost IOTLB. And introduce
vhost_iotlb_add_range_ctx() to accept it.
Suggested-by: Jason Wang
Signed-off-by: Xie Yongji
Acked-by: Jason Wang
---
drivers/vhost/iotlb.c | 20
include/linux
When CAP_IPC_LOCK is set we should not check locked memory against
rlimit as what has been implemented in mlock().
Signed-off-by: Jason Wang
---
drivers/vhost/vdpa.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index
ility.
"
Fixes: 4c8cf31885f6 ("vhost: introduce vDPA-based backend")
Signed-off-by: Jason Wang
---
drivers/vhost/vdpa.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index ef688c8c0e0e..e93572e2e344 100644
--- a/
On 2021/3/2 5:47 下午, Michael S. Tsirkin wrote:
On Mon, Mar 01, 2021 at 11:56:50AM +0800, Jason Wang wrote:
On 2021/3/1 5:34 上午, Michael S. Tsirkin wrote:
On Wed, Feb 24, 2021 at 10:24:41AM -0800, Si-Wei Liu wrote:
Detecting it isn't enough though, we will need a new ioctl to notif
On 2021/3/2 5:51 下午, Michael S. Tsirkin wrote:
On Tue, Mar 02, 2021 at 04:14:18AM -0500, Jason Wang wrote:
When CAP_IPC_LOCK is set we should not check locked memory against
rlimit as what has been implemented in mlock().
Signed-off-by: Jason Wang
Indeed and it's not just
mapping. And corresponding vma->vm_file and offset will be
also passed as an opaque pointer.
Suggested-by: Jason Wang
Signed-off-by: Xie Yongji
---
drivers/vdpa/ifcvf/ifcvf_main.c | 2 +-
drivers/vdpa/mlx5/net/mlx5_vnet.c | 2 +-
drivers/vdpa/vdpa.c | 9 +++-
driv
On 2021/2/23 7:50 下午, Xie Yongji wrote:
This implements a MMU-based IOMMU driver to support mapping
kernel dma buffer into userspace. The basic idea behind it is
treating MMU (VA->PA) as IOMMU (IOVA->PA). The driver will set
up MMU mapping instead of IOMMU mapping for the DMA transfer so
that t
On 2021/2/23 7:50 下午, Xie Yongji wrote:
This VDUSE driver enables implementing vDPA devices in userspace.
Both control path and data path of vDPA devices will be able to
be handled in userspace.
In the control path, the VDUSE driver will make use of message
mechnism to forward the config opera
On 2021/2/23 7:50 下午, Xie Yongji wrote:
VDUSE (vDPA Device in Userspace) is a framework to support
implementing software-emulated vDPA devices in userspace. This
document is intended to clarify the VDUSE design and usage.
Signed-off-by: Xie Yongji
---
Documentation/userspace-api/index.rst |
On 2021/2/23 7:50 下午, Xie Yongji wrote:
This patch introduces a workqueue to support injecting
virtqueue's interrupt asynchronously. This is mainly
for performance considerations which makes sure the push()
and pop() for used vring can be asynchronous.
Do you have pref numbers for this patch
On 2021/2/23 7:50 下午, Xie Yongji wrote:
Add a parameter for the ioctl VDUSE_INJECT_VQ_IRQ to support
injecting virtqueue's interrupt to the specified cpu.
How userspace know which CPU is this irq for? It looks to me we need to
do it at different level.
E.g introduce some API in sys to all
On 2021/3/3 4:29 下午, Cornelia Huck wrote:
On Wed, 3 Mar 2021 12:01:01 +0800
Jason Wang wrote:
On 2021/3/2 8:08 下午, Cornelia Huck wrote:
On Mon, 1 Mar 2021 11:51:08 +0800
Jason Wang wrote:
On 2021/3/1 5:25 上午, Michael S. Tsirkin wrote:
On Fri, Feb 26, 2021 at 04:19:16PM +0800, Jason
On 2021/3/4 9:50 下午, Cornelia Huck wrote:
On Thu, 4 Mar 2021 16:24:16 +0800
Jason Wang wrote:
On 2021/3/3 4:29 下午, Cornelia Huck wrote:
On Wed, 3 Mar 2021 12:01:01 +0800
Jason Wang wrote:
On 2021/3/2 8:08 下午, Cornelia Huck wrote:
On Mon, 1 Mar 2021 11:51:08 +0800
Jason Wang wrote
On 2021/3/4 4:58 下午, Yongji Xie wrote:
On Thu, Mar 4, 2021 at 2:59 PM Jason Wang wrote:
On 2021/2/23 7:50 下午, Xie Yongji wrote:
This patch introduces a workqueue to support injecting
virtqueue's interrupt asynchronously. This is mainly
for performance considerations which makes sur
On 2021/3/4 4:19 下午, Yongji Xie wrote:
On Thu, Mar 4, 2021 at 3:30 PM Jason Wang wrote:
On 2021/2/23 7:50 下午, Xie Yongji wrote:
Add a parameter for the ioctl VDUSE_INJECT_VQ_IRQ to support
injecting virtqueue's interrupt to the specified cpu.
How userspace know which CPU is this ir
On 2021/3/4 4:05 下午, Yongji Xie wrote:
On Thu, Mar 4, 2021 at 2:27 PM Jason Wang wrote:
On 2021/2/23 7:50 下午, Xie Yongji wrote:
This VDUSE driver enables implementing vDPA devices in userspace.
Both control path and data path of vDPA devices will be able to
be handled in userspace.
In the
On 2021/3/4 1:12 下午, Yongji Xie wrote:
On Thu, Mar 4, 2021 at 12:21 PM Jason Wang wrote:
On 2021/2/23 7:50 下午, Xie Yongji wrote:
This implements a MMU-based IOMMU driver to support mapping
kernel dma buffer into userspace. The basic idea behind it is
treating MMU (VA->PA) as IOMMU (I
On 2021/3/5 11:30 上午, Yongji Xie wrote:
On Fri, Mar 5, 2021 at 11:05 AM Jason Wang wrote:
On 2021/3/4 4:58 下午, Yongji Xie wrote:
On Thu, Mar 4, 2021 at 2:59 PM Jason Wang wrote:
On 2021/2/23 7:50 下午, Xie Yongji wrote:
This patch introduces a workqueue to support injecting
virtqueue&#
On 2021/3/5 11:37 上午, Yongji Xie wrote:
On Fri, Mar 5, 2021 at 11:11 AM Jason Wang wrote:
On 2021/3/4 4:19 下午, Yongji Xie wrote:
On Thu, Mar 4, 2021 at 3:30 PM Jason Wang wrote:
On 2021/2/23 7:50 下午, Xie Yongji wrote:
Add a parameter for the ioctl VDUSE_INJECT_VQ_IRQ to support
On 2021/3/5 2:36 下午, Yongji Xie wrote:
On Fri, Mar 5, 2021 at 11:42 AM Jason Wang wrote:
On 2021/3/5 11:30 上午, Yongji Xie wrote:
On Fri, Mar 5, 2021 at 11:05 AM Jason Wang wrote:
On 2021/3/4 4:58 下午, Yongji Xie wrote:
On Thu, Mar 4, 2021 at 2:59 PM Jason Wang wrote:
On 2021/2/23 7:50
On 2021/3/1 11:22 上午, Xuan Zhuo wrote:
The number of queues implemented by many virtio backends is limited,
especially some machines have a large number of CPUs. In this case, it
is often impossible to allocate a separate queue for
XDP_TX/XDP_REDIRECT, then xdp cannot be loaded to work, even xd
On 2021/3/5 3:13 下午, Yongji Xie wrote:
On Fri, Mar 5, 2021 at 2:52 PM Jason Wang wrote:
On 2021/3/5 2:15 下午, Yongji Xie wrote:
Sorry if I've asked this before.
But what's the reason for maintaing a dedicated IOTLB here? I think we
could reuse vduse_dev->iommu since the devi
On 2021/3/5 3:27 下午, Yongji Xie wrote:
On Fri, Mar 5, 2021 at 3:01 PM Jason Wang wrote:
On 2021/3/5 2:36 下午, Yongji Xie wrote:
On Fri, Mar 5, 2021 at 11:42 AM Jason Wang wrote:
On 2021/3/5 11:30 上午, Yongji Xie wrote:
On Fri, Mar 5, 2021 at 11:05 AM Jason Wang wrote:
On 2021/3/4 4:58 下
ifcvf_vdpa_get_vendor_id(struct vdpa_device *vdpa_dev)
{
- return IFCVF_SUBSYS_VENDOR_ID;
+ struct ifcvf_adapter *adapter = vdpa_to_adapter(vdpa_dev);
+ struct pci_dev *pdev = adapter->pdev;
+
+ return pdev->subsystem_vendor;
}
Acked-by: Jason Wang
stat
On 2021/3/5 10:19 下午, Zhu Lingshan wrote:
This commit enabled Intel FPGA SmartNIC C5000X-PL virtio-net
for vDPA.
C5000X-PL vendor id 0x1AF4, device id 0x1000,
subvendor id 0x8086, sub device id 0x0001
To distinguish C5000X-PL from other ifcvf driven devices,
the original ifcvf device is named
On 2021/3/5 4:12 下午, Yongji Xie wrote:
On Fri, Mar 5, 2021 at 3:37 PM Jason Wang wrote:
On 2021/3/5 3:27 下午, Yongji Xie wrote:
On Fri, Mar 5, 2021 at 3:01 PM Jason Wang wrote:
On 2021/3/5 2:36 下午, Yongji Xie wrote:
On Fri, Mar 5, 2021 at 11:42 AM Jason Wang wrote:
On 2021/3/5 11:30 上午
On 2021/3/5 3:59 下午, Yongji Xie wrote:
On Fri, Mar 5, 2021 at 3:27 PM Jason Wang wrote:
On 2021/3/5 3:13 下午, Yongji Xie wrote:
On Fri, Mar 5, 2021 at 2:52 PM Jason Wang wrote:
On 2021/3/5 2:15 下午, Yongji Xie wrote:
Sorry if I've asked this before.
But what's the reason for m
Wang)
2. add note for why not lock. (suggested by Jason Wang)
3. Use variable 'flag' to record with or without locked. It is not safe to
use curr_queue_pairs in "virtnet_put_xdp_sq", because it may changed
after
"virtnet_get_xdp_sq".
v5
On 2021/3/8 11:45 上午, Yongji Xie wrote:
On Mon, Mar 8, 2021 at 11:17 AM Jason Wang wrote:
On 2021/3/5 3:59 下午, Yongji Xie wrote:
On Fri, Mar 5, 2021 at 3:27 PM Jason Wang wrote:
On 2021/3/5 3:13 下午, Yongji Xie wrote:
On Fri, Mar 5, 2021 at 2:52 PM Jason Wang wrote:
On 2021/3/5 2:15 下午
On 2021/3/8 12:50 下午, Yongji Xie wrote:
On Mon, Mar 8, 2021 at 11:04 AM Jason Wang wrote:
On 2021/3/5 4:12 下午, Yongji Xie wrote:
On Fri, Mar 5, 2021 at 3:37 PM Jason Wang wrote:
On 2021/3/5 3:27 下午, Yongji Xie wrote:
On Fri, Mar 5, 2021 at 3:01 PM Jason Wang wrote:
On 2021/3/5 2:36 下午
On 2021/3/8 1:05 下午, Yongji Xie wrote:
On Mon, Mar 8, 2021 at 11:52 AM Jason Wang wrote:
On 2021/3/8 11:45 上午, Yongji Xie wrote:
On Mon, Mar 8, 2021 at 11:17 AM Jason Wang wrote:
On 2021/3/5 3:59 下午, Yongji Xie wrote:
On Fri, Mar 5, 2021 at 3:27 PM Jason Wang wrote:
On 2021/3/5 3:13 下
On 2021/3/8 1:43 下午, Xuan Zhuo wrote:
On Mon, 8 Mar 2021 11:41:03 +0800, Jason Wang wrote:
On 2021/3/5 6:29 下午, Xuan Zhuo wrote:
The number of queues implemented by many virtio backends is limited,
especially some machines have a large number of CPUs. In this case, it
is often impossible to
On 2021/3/8 3:16 下午, Yongji Xie wrote:
On Mon, Mar 8, 2021 at 3:02 PM Jason Wang wrote:
On 2021/3/8 12:50 下午, Yongji Xie wrote:
On Mon, Mar 8, 2021 at 11:04 AM Jason Wang wrote:
On 2021/3/5 4:12 下午, Yongji Xie wrote:
On Fri, Mar 5, 2021 at 3:37 PM Jason Wang wrote:
On 2021/3/5 3:27 下午
(suggested by Jason Wang)
v6: 1. use __netif_tx_acquire()/__netif_tx_release(). (suggested by Jason Wang)
2. add note for why not lock. (suggested by Jason Wang)
3. Use variable 'flag' to record with or without locked. It is not safe to
use curr_queue_pairs in "vir
On 2021/3/8 4:35 下午, Zhu Lingshan wrote:
In this commit, ifcvf_get_vendor_id() will return
a device specific vendor id of the probed pci device
than a hard code.
Signed-off-by: Zhu Lingshan
Acked-by: Jason Wang
---
drivers/vdpa/ifcvf/ifcvf_main.c | 5 -
1 file changed, 4
On 2021/3/8 4:35 下午, Zhu Lingshan wrote:
This commit enabled Intel FPGA SmartNIC C5000X-PL virtio-net
for vDPA
Signed-off-by: Zhu Lingshan
---
drivers/vdpa/ifcvf/ifcvf_base.h | 5 +
drivers/vdpa/ifcvf/ifcvf_main.c | 5 +
2 files changed, 10 insertions(+)
diff --git a/drivers/vdpa
On 2021/3/8 4:35 下午, Zhu Lingshan wrote:
IFCVF driver probes multiple types of devices now,
to distinguish the original device driven by IFCVF
from others, it is renamed as "N3000".
Signed-off-by: Zhu Lingshan
Acked-by: Jason Wang
You probably need to rename the drive
On 2021/3/8 4:35 下午, Zhu Lingshan wrote:
This commit removes the version number string, using kernel
version is enough.
Signed-off-by: Zhu Lingshan
---
Acked-by: Jason Wang
drivers/vdpa/ifcvf/ifcvf_main.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/vdpa/ifcvf
On 2021/3/9 10:28 上午, Zhu, Lingshan wrote:
On 3/9/2021 10:23 AM, Jason Wang wrote:
On 2021/3/8 4:35 下午, Zhu Lingshan wrote:
This commit enabled Intel FPGA SmartNIC C5000X-PL virtio-net
for vDPA
Signed-off-by: Zhu Lingshan
---
drivers/vdpa/ifcvf/ifcvf_base.h | 5 +
drivers/vdpa
On 2021/3/9 10:31 上午, Xuan Zhuo wrote:
On Tue, 9 Mar 2021 10:17:16 +0800, Jason Wang wrote:
On 2021/3/8 4:52 下午, Xuan Zhuo wrote:
The number of queues implemented by many virtio backends is limited,
especially some machines have a large number of CPUs. In this case, it
is often impossible
On 2021/2/23 7:50 下午, Xie Yongji wrote:
+
+ switch (cmd) {
+ case VDUSE_IOTLB_GET_FD: {
+ struct vduse_iotlb_entry entry;
+ struct vhost_iotlb_map *map;
+ struct vdpa_map_file *map_file;
+ struct file *f = NULL;
+
+
On 2021/3/10 5:00 下午, Zhu Lingshan wrote:
vDPA requres VIRTIO_F_ACCESS_PLATFORM as a must, this commit
examines this when set features.
Signed-off-by: Zhu Lingshan
---
drivers/vdpa/ifcvf/ifcvf_base.c | 8
drivers/vdpa/ifcvf/ifcvf_base.h | 1 +
drivers/vdpa/ifcvf/ifcvf_main.c | 5
On 2021/3/10 5:00 下午, Zhu Lingshan wrote:
In this commit, ifcvf_get_vendor_id() will return
a device specific vendor id of the probed pci device
than a hard code.
Signed-off-by: Zhu Lingshan
---
drivers/vdpa/ifcvf/ifcvf_main.c | 5 -
1 file changed, 4 insertions(+), 1 deletion(-)
diff
On 2021/3/10 5:00 下午, Zhu Lingshan wrote:
IFCVF driver probes multiple types of devices now,
to distinguish the original device driven by IFCVF
from others, it is renamed as "N3000".
Signed-off-by: Zhu Lingshan
---
drivers/vdpa/ifcvf/ifcvf_base.h | 8
drivers/vdpa/ifcvf/ifcvf_main
On 2021/3/11 12:21 下午, Zhu Lingshan wrote:
On 3/11/2021 11:23 AM, Jason Wang wrote:
On 2021/3/10 5:00 下午, Zhu Lingshan wrote:
In this commit, ifcvf_get_vendor_id() will return
a device specific vendor id of the probed pci device
than a hard code.
Signed-off-by: Zhu Lingshan
On 2021/3/11 12:23 下午, Zhu Lingshan wrote:
On 3/11/2021 11:25 AM, Jason Wang wrote:
On 2021/3/10 5:00 下午, Zhu Lingshan wrote:
IFCVF driver probes multiple types of devices now,
to distinguish the original device driven by IFCVF
from others, it is renamed as "N3000".
Signed-o
On 2021/3/11 12:16 下午, Zhu Lingshan wrote:
On 3/11/2021 11:20 AM, Jason Wang wrote:
On 2021/3/10 5:00 下午, Zhu Lingshan wrote:
vDPA requres VIRTIO_F_ACCESS_PLATFORM as a must, this commit
examines this when set features.
Signed-off-by: Zhu Lingshan
---
drivers/vdpa/ifcvf/ifcvf_base.c
On 2021/3/11 3:19 下午, Zhu, Lingshan wrote:
On 3/11/2021 2:20 PM, Jason Wang wrote:
On 2021/3/11 12:16 下午, Zhu Lingshan wrote:
On 3/11/2021 11:20 AM, Jason Wang wrote:
On 2021/3/10 5:00 下午, Zhu Lingshan wrote:
vDPA requres VIRTIO_F_ACCESS_PLATFORM as a must, this commit
examines this
y_SYSCALL_64_after_hwframe+0x44/0xae
Fixes: 776f395004d8 ("vhost_vdpa: Support config interrupt in vdpa")
Cc: lingshan@intel.com
Cc: sta...@vger.kernel.org
Signed-off-by: Stefano Garzarella
Acked-by: Jason Wang
---
drivers/vhost/vdpa.c | 4 +++-
1 file changed, 3 insertion
is case to avoid to use an invalid pointer in
other functions such as vhost_vdpa_config_put().
Fixes: 776f395004d8 ("vhost_vdpa: Support config interrupt in vdpa")
Cc: lingshan@intel.com
Cc: sta...@vger.kernel.org
Signed-off-by: Stefano Garzarella
Acked-by: Jason Wang
---
d
On 2021/3/12 2:40 下午, Zhu, Lingshan wrote:
On 3/12/2021 1:52 PM, Jason Wang wrote:
On 2021/3/11 3:19 下午, Zhu, Lingshan wrote:
On 3/11/2021 2:20 PM, Jason Wang wrote:
On 2021/3/11 12:16 下午, Zhu Lingshan wrote:
On 3/11/2021 11:20 AM, Jason Wang wrote:
On 2021/3/10 5:00 下午, Zhu
ethtool_sprintf(&p, "tx_queue_%u_%s", i,
+ virtnet_sq_stats_desc[j].desc);
}
break;
}
Acked-by: Jason Wang
_le(vq);
vhost_disable_cross_endian(vq);
And so user_be is used before being set.
To fix that, reverse the lines order as there is no other dependency
between them.
Signed-off-by: Laurent Vivier
Acked-by: Jason Wang
---
drivers/vhost/vhost.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
, Jason Wang wrote:
On 2021/2/2 下午12:15, Si-Wei Liu wrote:
On Mon, Feb 1, 2021 at 7:13 PM Jason Wang wrote:
On 2021/2/2 上午3:17, Si-Wei Liu wrote:
On Mon, Feb 1, 2021 at 10:51 AM Si-Wei Liu wrote:
On Thu, Jan 28, 2021 at 5:46 AM Eli Cohen wrote:
suspend_vq should only suspend the VQ on not
On 2021/2/2 下午10:37, Willem de Bruijn wrote:
On Mon, Feb 1, 2021 at 10:09 PM Jason Wang wrote:
On 2021/1/29 上午8:21, Wei Wang wrote:
With the implementation of napi-tx in virtio driver, we clean tx
descriptors from rx napi handler, for the purpose of reducing tx
complete interrupts. But
On 2021/2/4 上午7:19, Si-Wei Liu wrote:
On Tue, Feb 2, 2021 at 9:16 PM Jason Wang wrote:
On 2021/2/3 上午1:54, Si-Wei Liu wrote:
On Tue, Feb 2, 2021 at 1:23 AM Eli Cohen wrote:
On Tue, Feb 02, 2021 at 12:38:51AM -0800, Si-Wei Liu wrote:
Thanks Eli and Jason for clarifications. See inline
On 2021/2/4 上午2:28, Willem de Bruijn wrote:
On Wed, Feb 3, 2021 at 12:33 AM Jason Wang wrote:
On 2021/2/2 下午10:37, Willem de Bruijn wrote:
On Mon, Feb 1, 2021 at 10:09 PM Jason Wang wrote:
On 2021/1/29 上午8:21, Wei Wang wrote:
With the implementation of napi-tx in virtio driver, we clean
On 2021/2/2 下午6:35, Parav Pandit wrote:
Linux vdpa interface allows vdpa device management functionality.
This includes adding, removing, querying vdpa devices.
vdpa interface also includes showing supported management devices
which support such operations.
This patchset includes kernel uapi
On 2021/2/4 下午7:15, Adrian Moreno wrote:
Sorry I have not followed this work as close as I would have wanted.
Some questions below.
On 2/4/21 4:16 AM, Jason Wang wrote:
On 2021/2/2 下午6:35, Parav Pandit wrote:
Linux vdpa interface allows vdpa device management functionality.
This includes
ned-off-by: Eli Cohen
---
v0 -> v1:
Clear indices upon device reset
Acked-by: Jason Wang
drivers/vdpa/mlx5/net/mlx5_vnet.c | 18 ++
1 file changed, 18 insertions(+)
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c
b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index 88dde3455bfd.
On 2021/2/5 上午4:50, Willem de Bruijn wrote:
On Wed, Feb 3, 2021 at 10:06 PM Jason Wang wrote:
On 2021/2/4 上午2:28, Willem de Bruijn wrote:
On Wed, Feb 3, 2021 at 12:33 AM Jason Wang wrote:
On 2021/2/2 下午10:37, Willem de Bruijn wrote:
On Mon, Feb 1, 2021 at 10:09 PM Jason Wang wrote:
On
On 2021/2/6 上午7:07, Si-Wei Liu wrote:
On 2/3/2021 11:36 PM, Eli Cohen wrote:
When a change of memory map occurs, the hardware resources are destroyed
and then re-created again with the new memory map. In such case, we need
to restore the hardware available and used indices. The driver failed
reset and feature negotiation,
causing frames with bogus (incomplete) checksum
transmitted on the wire.
Signed-off-by: Si-Wei Liu
Acked-by: Jason Wang
---
drivers/vdpa/mlx5/net/mlx5_vnet.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c
b/drivers/vdp
ng of
avail_index to until the device is to be started,
i.e. until VIRTIO_CONFIG_S_DRIVER_OK is set again in
set_status().
Fixes: b35ccebe3ef7 ("vdpa/mlx5: Restore the hardware used index after change
map")
Signed-off-by: Si-Wei Liu
Acked-by: Jason Wang
---
drivers/vdpa/mlx5/
t includes extra lengths starting
from the Ethernet header up to the FCS altogether.
Fix the MTU so packets won't get dropped silently.
Signed-off-by: Si-Wei Liu
Acked-by: Jason Wang
---
drivers/vdpa/mlx5/core/mlx5_vdpa.h | 4
drivers/vdpa/mlx5/net/mlx5_vnet.c | 15
On 2021/2/8 下午2:37, Eli Cohen wrote:
On Mon, Feb 08, 2021 at 12:27:18PM +0800, Jason Wang wrote:
On 2021/2/6 上午7:07, Si-Wei Liu wrote:
On 2/3/2021 11:36 PM, Eli Cohen wrote:
When a change of memory map occurs, the hardware resources are destroyed
and then re-created again with the new
On 2021/2/8 下午6:04, Eli Cohen wrote:
On Mon, Feb 08, 2021 at 05:04:27PM +0800, Jason Wang wrote:
On 2021/2/8 下午2:37, Eli Cohen wrote:
On Mon, Feb 08, 2021 at 12:27:18PM +0800, Jason Wang wrote:
On 2021/2/6 上午7:07, Si-Wei Liu wrote:
On 2/3/2021 11:36 PM, Eli Cohen wrote:
When a change of
On 2021/2/9 上午3:08, Willem de Bruijn wrote:
On Sun, Feb 7, 2021 at 10:29 PM Jason Wang wrote:
On 2021/2/5 上午4:50, Willem de Bruijn wrote:
On Wed, Feb 3, 2021 at 10:06 PM Jason Wang wrote:
On 2021/2/4 上午2:28, Willem de Bruijn wrote:
On Wed, Feb 3, 2021 at 12:33 AM Jason Wang wrote:
On
On 2021/2/6 下午8:29, Si-Wei Liu wrote:
While virtq is stopped, get_vq_state() is supposed to
be called to get sync'ed with the latest internal
avail_index from device. The saved avail_index is used
to restate the virtq once device is started. Commit
b35ccebe3ef7 introduced the clear_vir
On 2021/2/9 上午2:55, Willem de Bruijn wrote:
From: Willem de Bruijn
Add optional PTP hardware rx timestamp offload for virtio-net.
Accurate RTT measurement requires timestamps close to the wire.
Introduce virtio feature VIRTIO_NET_F_RX_TSTAMP. If negotiated, the
virtio-net header is expanded
On 2021/2/9 上午2:55, Willem de Bruijn wrote:
From: Willem de Bruijn
Add optional PTP hardware tx timestamp offload for virtio-net.
Accurate RTT measurement requires timestamps close to the wire.
Introduce virtio feature VIRTIO_NET_F_TX_TSTAMP, the transmit
equivalent to VIRTIO_NET_F_RX_TSTAMP
On 2021/2/9 下午2:12, Eli Cohen wrote:
On Tue, Feb 09, 2021 at 11:20:14AM +0800, Jason Wang wrote:
On 2021/2/8 下午6:04, Eli Cohen wrote:
On Mon, Feb 08, 2021 at 05:04:27PM +0800, Jason Wang wrote:
On 2021/2/8 下午2:37, Eli Cohen wrote:
On Mon, Feb 08, 2021 at 12:27:18PM +0800, Jason Wang wrote
On 2021/2/10 上午10:30, Si-Wei Liu wrote:
On 2/8/2021 10:37 PM, Jason Wang wrote:
On 2021/2/9 下午2:12, Eli Cohen wrote:
On Tue, Feb 09, 2021 at 11:20:14AM +0800, Jason Wang wrote:
On 2021/2/8 下午6:04, Eli Cohen wrote:
On Mon, Feb 08, 2021 at 05:04:27PM +0800, Jason Wang wrote:
On 2021/2/8
On 2021/2/10 上午8:26, Si-Wei Liu wrote:
On 2/8/2021 7:37 PM, Jason Wang wrote:
On 2021/2/6 下午8:29, Si-Wei Liu wrote:
While virtq is stopped, get_vq_state() is supposed to
be called to get sync'ed with the latest internal
avail_index from device. The saved avail_index is us
On 2021/2/9 下午9:53, Willem de Bruijn wrote:
On Mon, Feb 8, 2021 at 11:13 PM Jason Wang wrote:
On 2021/2/9 上午2:55, Willem de Bruijn wrote:
From: Willem de Bruijn
Add optional PTP hardware rx timestamp offload for virtio-net.
Accurate RTT measurement requires timestamps close to the wire
On 2021/2/10 上午12:38, Michael S. Tsirkin wrote:
On Tue, Feb 09, 2021 at 01:45:11PM +0800, Jason Wang wrote:
On 2021/2/9 上午2:55, Willem de Bruijn wrote:
From: Willem de Bruijn
Add optional PTP hardware tx timestamp offload for virtio-net.
Accurate RTT measurement requires timestamps close
On 2021/2/10 上午10:36, Willem de Bruijn wrote:
On Tue, Feb 9, 2021 at 11:39 AM Michael S. Tsirkin wrote:
On Tue, Feb 09, 2021 at 01:45:11PM +0800, Jason Wang wrote:
On 2021/2/9 上午2:55, Willem de Bruijn wrote:
From: Willem de Bruijn
Add optional PTP hardware tx timestamp offload for virtio
在 2021/3/15 下午3:44, Zhu Lingshan 写道:
In this commit, ifcvf_get_vendor_id() will return
a device specific vendor id of the probed pci device
than a hard code.
Signed-off-by: Zhu Lingshan
Acked-by: Jason Wang
---
drivers/vdpa/ifcvf/ifcvf_main.c | 5 -
1 file changed, 4 insertions
在 2021/3/15 下午3:44, Zhu Lingshan 写道:
This commit enabled Intel FPGA SmartNIC C5000X-PL virtio-net
for vDPA
Signed-off-by: Zhu Lingshan
Acked-by: Jason Wang
---
drivers/vdpa/ifcvf/ifcvf_base.h | 5 +
drivers/vdpa/ifcvf/ifcvf_main.c | 5 +
2 files changed, 10 insertions
在 2021/3/15 下午3:44, Zhu Lingshan 写道:
IFCVF driver probes multiple types of devices now,
to distinguish the original device driven by IFCVF
from others, it is renamed as "N3000".
Signed-off-by: Zhu Lingshan
Acked-by: Jason Wang
If you want to have a general driver, you proba
在 2021/3/15 下午3:44, Zhu Lingshan 写道:
This commit removes the version number string, using kernel
version is enough.
Signed-off-by: Zhu Lingshan
Reviewed-by: Leon Romanovsky
Acked-by: Jason Wang
---
drivers/vdpa/ifcvf/ifcvf_main.c | 2 --
1 file changed, 2 deletions(-)
diff --git
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