在 2021/4/14 下午5:18, Zhu Lingshan 写道:
get_config_size() should return the size based on the decected
device type.
Signed-off-by: Zhu Lingshan
Acked-by: Jason Wang
---
drivers/vdpa/ifcvf/ifcvf_main.c | 11 ++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git
在 2021/4/14 下午5:18, Zhu Lingshan 写道:
This commit enabled Intel FPGA SmartNIC C5000X-PL virtio-block
for vDPA.
Signed-off-by: Zhu Lingshan
---
drivers/vdpa/ifcvf/ifcvf_base.h | 17 -
drivers/vdpa/ifcvf/ifcvf_main.c | 10 +-
2 files changed, 25 insertions(+), 2
在 2021/4/14 下午5:18, Zhu Lingshan 写道:
This commit deduces VIRTIO device ID as device type when probe,
then ifcvf_vdpa_get_device_id() can simply return the ID.
ifcvf_vdpa_get_features() and ifcvf_vdpa_get_config_size()
can work properly based on the device ID.
Signed-off-by: Zhu Lingshan
---
xes this by setting the necessary
vm_flags. With this patch, try to map doorbell via IOTLB will fail
with bad address.
Cc: sta...@vger.kernel.org
Fixes: ddd89d0a059d ("vhost_vdpa: support doorbell mapping via mmap")
Signed-off-by: Jason Wang
---
drivers/vhost/vdpa.c | 1 +
1 file changed
在 2021/4/13 下午1:47, Michael S. Tsirkin 写道:
It's unsafe to operate a vq from multiple threads.
Unfortunately this is exactly what we do when invoking
clean tx poll from rx napi.
As a fix move everything that deals with the vq to under tx lock.
Signed-off-by: Michael S. Tsirkin
---
在 2021/4/13 下午1:47, Michael S. Tsirkin 写道:
There are currently two cases where we poll TX vq not in response to a
callback: start xmit and rx napi. We currently do this with callbacks
enabled which can cause extra interrupts from the card. Used not to be
a big issue as we run with interrupts
在 2021/4/13 下午1:47, Michael S. Tsirkin 写道:
virtio_disable_cb is currently a nop for split ring with event index.
This is because it used to be always called from a callback when we know
device won't trigger more events until we update the index. However,
now that we run with interrupts
4
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -2089,7 +2089,7 @@ static int mlx5v_probe(struct auxiliary_device *adev,
return 0;
reg_err:
- kfree(mdev);
+ kfree(mgtdev);
return err;
}
Acked-by: Jason Wang
在 2021/4/12 下午5:09, Michael S. Tsirkin 写道:
On Mon, Apr 12, 2021 at 02:35:07PM +0800, Jason Wang wrote:
在 2021/4/10 上午12:04, Michael S. Tsirkin 写道:
On Fri, Apr 09, 2021 at 12:47:55PM +0800, Jason Wang wrote:
在 2021/4/8 下午11:59, Michael S. Tsirkin 写道:
On Thu, Apr 08, 2021 at 04:26:48PM +0800
在 2021/4/10 上午12:04, Michael S. Tsirkin 写道:
On Fri, Apr 09, 2021 at 12:47:55PM +0800, Jason Wang wrote:
在 2021/4/8 下午11:59, Michael S. Tsirkin 写道:
On Thu, Apr 08, 2021 at 04:26:48PM +0800, Jason Wang wrote:
This patch mandates 1.0 for vDPA devices. The goal is to have the
semantic
在 2021/4/8 下午11:59, Michael S. Tsirkin 写道:
On Thu, Apr 08, 2021 at 04:26:48PM +0800, Jason Wang wrote:
This patch mandates 1.0 for vDPA devices. The goal is to have the
semantic of normative statement in the virtio spec and eliminate the
burden of transitional device for both vDPA bus
devices.
For legacy guests, it can still work since Qemu will mediate when
necessary (e.g doing the endian conversion).
Signed-off-by: Jason Wang
---
include/linux/vdpa.h | 6 ++
1 file changed, 6 insertions(+)
diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h
index 0fefeb976877
在 2021/4/6 下午8:42, Jason Gunthorpe 写道:
On Tue, Apr 06, 2021 at 09:35:17AM +0800, Jason Wang wrote:
VFIO and VDPA has no buisness having map/unmap interfaces once we have
/dev/ioasid. That all belongs in the iosaid side.
I know they have those interfaces today, but that doesn't mean we have
在 2021/4/6 上午7:42, Jason Gunthorpe 写道:
On Fri, Apr 02, 2021 at 08:22:28AM +, Tian, Kevin wrote:
From: Jason Gunthorpe
Sent: Tuesday, March 30, 2021 9:29 PM
First, userspace may use ioasid in a non-SVA scenario where ioasid is
bound to specific security context (e.g. a control vq in
在 2021/3/22 下午4:17, Michael S. Tsirkin 写道:
On Mon, Mar 22, 2021 at 11:22:15AM +0800, Jason Wang wrote:
在 2021/3/18 下午9:52, Connor Kuehl 写道:
From section 2.6.5.3.1 (Driver Requirements: Indirect Descriptors)
of the virtio spec:
"A driver MUST NOT create a descriptor chain longer
在 2021/3/18 下午9:52, Connor Kuehl 写道:
'Maxmum' -> 'Maximum'
Need a better log here.
With the commit log fixed.
Acked-by: Jason Wang
Signed-off-by: Connor Kuehl
---
fs/fuse/fuse_i.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/fuse/fuse_i.h b/fs/f
在 2021/3/18 下午9:52, Connor Kuehl 写道:
From section 2.6.5.3.1 (Driver Requirements: Indirect Descriptors)
of the virtio spec:
"A driver MUST NOT create a descriptor chain longer than the Queue
Size of the device."
This text suggests that the warning should trigger even if
indirect
在 2021/3/22 上午12:34, Pavel Machek 写道:
Not everyone knows what vDPA stands for, explain it in Kconfig.
Signed-off-by: Pavel Machek (CIP)
diff --git a/drivers/vdpa/Kconfig b/drivers/vdpa/Kconfig
index ffd1e098bfd2..8cb37b3dd279 100644
--- a/drivers/vdpa/Kconfig
+++ b/drivers/vdpa/Kconfig
@@
"mgmtdev": "vdpasim_blk",
"vendor_id": 0,
"max_vqs": 1,
"max_vq_size": 256
}
}
}
# Delete the vDPA device after its use
$ vdpa dev del blk0
failures.
Signed-off-by: Xie Yongji
Signed-off-by: Stefano Garzarella
Acked-by: Jason Wang
---
drivers/vhost/vdpa.c | 6 +-
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index 7ae4080e57d8..850ed4b62942 100644
--- a/drivers
在 2021/3/16 上午12:34, Stefano Garzarella 写道:
Let's use the new 'get_config_size()' callback available instead of
using the 'virtio_id' to get the size of the device config space.
Signed-off-by: Stefano Garzarella
Acked-by: Jason Wang
---
drivers/vhost/vdpa.c | 9 ++---
1 file
在 2021/3/16 上午12:34, Stefano Garzarella 写道:
This new callback is used to get the size of the configuration space
of vDPA devices.
Signed-off-by: Stefano Garzarella
Acked-by: Jason Wang
---
include/linux/vdpa.h | 4
drivers/vdpa/ifcvf/ifcvf_main.c | 6
f (pdev->device < 0x1040)
+ ret = pdev->subsystem_device;
+ else
+ ret = pdev->device - 0x1040;
+
+ return ret;
}
It would be better to keep the comment.
But anyway
Acked-by: Jason Wang
static u32 ifcvf_vdpa_get_vendor_id(struct vdpa_device *vdpa_dev)
在 2021/3/15 下午3:45, Zhu Lingshan 写道:
static u32 ifcvf_vdpa_get_device_id(struct vdpa_device *vdpa_dev)
{
- return VIRTIO_ID_NET;
+ struct ifcvf_hw *vf = vdpa_to_vf(vdpa_dev);
+ u32 ret = -EOPNOTSUPP;
+
+ if (ifcvf_probed_virtio_net(vf))
+ ret =
ERR(ifcvf->pdev, "VIRTIO_F_ACCESS_PLATFORM not
negotiated\n");
Should be "is not negotiated".
Otherwise:
Acked-by: Jason Wang
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
void ifcvf_read_net_config(struct ifcvf_hw *hw, u64 offset,
Lingshan
Acked-by: Jason Wang
---
drivers/vdpa/ifcvf/ifcvf_base.c | 12 ++--
drivers/vdpa/ifcvf/ifcvf_base.h | 2 ++
drivers/vdpa/ifcvf/ifcvf_main.c | 2 ++
3 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf
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
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 pr
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:
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
_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(-)
On 2021/3/15 9:14 上午, Jie Deng wrote:
On 2021/3/12 16:58, Arnd Bergmann wrote:
On Fri, Mar 12, 2021 at 2:33 PM Jie Deng wrote:
+
+/**
+ * struct virtio_i2c_req - the virtio I2C request structure
+ * @out_hdr: the OUT header of the virtio I2C message
+ * @buf: the buffer into which data is
On 2021/3/12 2:18 上午, Randy Dunlap wrote:
On 3/10/21 9:14 PM, Stephen Rothwell wrote:
Hi all,
Warning: Some of the branches in linux-next are still based on v5.12-rc1,
so please be careful if you are trying to bisect a bug.
News: if your -next included tree is based on Linus' tree tag
The modern PCI device module should be built independently without
VIRTIO. This patch fixes this.
Fixes: 7075992ba8873（“vdpa: introduce virtio pci driver")
Reported-by: Randy Dunlap
Signed-off-by: Jason Wang
---
drivers/Makefile | 1 +
1 file changed, 1 insertion(+)
diff --git a/dr
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
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
---
drivers/vhost/vdpa.c
e+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 insertions(+), 1 deletion(-)
diff
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
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 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 12:21 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 2021/3/10 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
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(-)
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 10:22 上午, Jie Deng wrote:
On 2021/3/4 17:15, Jason Wang wrote:
+ }
+
+ if (msgs[i].flags & I2C_M_RD)
+ memcpy(msgs[i].buf, req->buf, msgs[i].len);
Sorry if I had asked this before but any rason not to use msg[i].buf
directly?
The msg
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 2021/3/8 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 2021/3/8 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 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
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 2021/3/5 4:37 下午, Stefano Garzarella wrote:
On Thu, Mar 04, 2021 at 04:31:22PM +0800, Jason Wang wrote:
On 2021/3/2 10:06 下午, Stefano Garzarella wrote:
On Tue, Mar 02, 2021 at 12:05:35PM +0800, Jason Wang wrote:
On 2021/2/16 5:44 下午, Stefano Garzarella wrote:
vdpa_get_config
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
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 1:47 下午, Jie Deng wrote:
On 2021/3/4 17:15, Jason Wang wrote:
On 2021/3/4 9:59 上午, Jie Deng wrote:
Add an I2C bus driver for virtio para-virtualization.
The controller can be emulated by the backend driver in
any device model software by following the virtio protocol
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 9:59 上午, Jie Deng wrote:
Add an I2C bus driver for virtio para-virtualization.
The controller can be emulated by the backend driver in
any device model software by following the virtio protocol.
The device specification can be found on
On 2021/3/2 10:15 下午, Stefano Garzarella wrote:
On Tue, Mar 02, 2021 at 12:14:13PM +0800, Jason Wang wrote:
On 2021/2/16 5:44 下午, Stefano Garzarella wrote:
This new callback is used to get the size of the configuration space
of vDPA devices.
Signed-off-by: Stefano Garzarella
---
include
On 2021/3/2 10:06 下午, Stefano Garzarella wrote:
On Tue, Mar 02, 2021 at 12:05:35PM +0800, Jason Wang wrote:
On 2021/2/16 5:44 下午, Stefano Garzarella wrote:
vdpa_get_config() and vdpa_set_config() now return the amount
of bytes read and written, so let's return them to the user space.
We
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 2021/3/2 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 notify
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 mlock
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/
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
On 2021/3/2 1:16 下午, Viresh Kumar wrote:
On 02-03-21, 13:06, Jie Deng wrote:
Yeah. Actually, the backend only needs "struct virtio_i2c_out_hdr out_hdr"
and "struct virtio_i2c_in_hdr in_hdr" for communication. So we only need to
keep
the first two in uapi and move "struct virtio_i2c_req" into
On 2021/2/16 5:44 下午, Stefano Garzarella wrote:
This new callback is used to get the size of the configuration space
of vDPA devices.
Signed-off-by: Stefano Garzarella
---
include/linux/vdpa.h | 4
drivers/vdpa/ifcvf/ifcvf_main.c | 6 ++
On 2021/2/16 5:44 下午, Stefano Garzarella wrote:
vdpa_get_config() and vdpa_set_config() now return the amount
of bytes read and written, so let's return them to the user space.
We also modify vhost_vdpa_config_validate() to return 0 (bytes read
or written) instead of an error, when the buffer
t;)
Signed-off-by: Eli Cohen
Acked-by: Jason Wang
---
drivers/vdpa/mlx5/net/mlx5_vnet.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c
b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index dc7031132fff..7d21b857a94a 100644
--- a/drivers/vdp
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 notify
the kernel that it's a legacy guest. Ugh :(
Well, although I think adding an ioctl is doable, may I know what the
On 2021/3/1 5:30 上午, Michael S. Tsirkin wrote:
On Wed, Feb 24, 2021 at 05:30:37PM +0800, Jason Wang wrote:
On 2021/2/24 4:43 下午, Michael S. Tsirkin wrote:
On Wed, Feb 24, 2021 at 04:26:43PM +0800, Jason Wang wrote:
Basically on first guest access QEMU would tell kernel whether
On 2021/3/1 5:25 上午, Michael S. Tsirkin wrote:
On Fri, Feb 26, 2021 at 04:19:16PM +0800, Jason Wang wrote:
On 2021/2/26 2:53 上午, Michael S. Tsirkin wrote:
On Thu, Feb 25, 2021 at 12:36:07PM +0800, Jason Wang wrote:
On 2021/2/24 7:12 下午, Cornelia Huck wrote:
On Wed, 24 Feb 2021 17:29:07
On 2021/2/26 2:53 上午, Michael S. Tsirkin wrote:
On Thu, Feb 25, 2021 at 12:36:07PM +0800, Jason Wang wrote:
On 2021/2/24 7:12 下午, Cornelia Huck wrote:
On Wed, 24 Feb 2021 17:29:07 +0800
Jason Wang wrote:
On 2021/2/23 6:58 下午, Cornelia Huck wrote:
On Tue, 23 Feb 2021 18:31:07 +0800
Jason
On 2021/2/24 7:12 下午, Cornelia Huck wrote:
On Wed, 24 Feb 2021 17:29:07 +0800
Jason Wang wrote:
On 2021/2/23 6:58 下午, Cornelia Huck wrote:
On Tue, 23 Feb 2021 18:31:07 +0800
Jason Wang wrote:
On 2021/2/23 6:04 下午, Cornelia Huck wrote:
On Tue, 23 Feb 2021 17:46:20 +0800
Jason Wang
On 2021/2/23 6:17 下午, Jason Wang wrote:
On 2021/2/23 6:01 下午, Michael S. Tsirkin wrote:
On Tue, Feb 23, 2021 at 05:46:20PM +0800, Jason Wang wrote:
On 2021/2/23 下午5:25, Michael S. Tsirkin wrote:
On Mon, Feb 22, 2021 at 09:09:28AM -0800, Si-Wei Liu wrote:
On 2/21/2021 8:14 PM, Jason Wang
On 2021/2/24 4:43 下午, Michael S. Tsirkin wrote:
On Wed, Feb 24, 2021 at 04:26:43PM +0800, Jason Wang wrote:
Basically on first guest access QEMU would tell kernel whether
guest is using the legacy or the modern interface.
E.g. virtio_pci_config_read/virtio_pci_config_write
On 2021/2/23 6:58 下午, Cornelia Huck wrote:
On Tue, 23 Feb 2021 18:31:07 +0800
Jason Wang wrote:
On 2021/2/23 6:04 下午, Cornelia Huck wrote:
On Tue, 23 Feb 2021 17:46:20 +0800
Jason Wang wrote:
On 2021/2/23 下午5:25, Michael S. Tsirkin wrote:
On Mon, Feb 22, 2021 at 09:09:28AM -0800, Si
On 2021/2/24 2:47 下午, Michael S. Tsirkin wrote:
On Wed, Feb 24, 2021 at 08:45:20AM +0200, Eli Cohen wrote:
On Wed, Feb 24, 2021 at 12:17:58AM -0500, Michael S. Tsirkin wrote:
On Wed, Feb 24, 2021 at 11:20:01AM +0800, Jason Wang wrote:
On 2021/2/24 3:35 上午, Si-Wei Liu wrote:
On 2/23/2021 5
On 2021/2/24 2:46 下午, Michael S. Tsirkin wrote:
On Wed, Feb 24, 2021 at 02:04:36PM +0800, Jason Wang wrote:
On 2021/2/24 1:04 下午, Michael S. Tsirkin wrote:
On Tue, Feb 23, 2021 at 11:35:57AM -0800, Si-Wei Liu wrote:
On 2/23/2021 5:26 AM, Michael S. Tsirkin wrote:
On Tue, Feb 23, 2021 at 10
On 2021/2/24 1:04 下午, Michael S. Tsirkin wrote:
On Tue, Feb 23, 2021 at 11:35:57AM -0800, Si-Wei Liu wrote:
On 2/23/2021 5:26 AM, Michael S. Tsirkin wrote:
On Tue, Feb 23, 2021 at 10:03:57AM +0800, Jason Wang wrote:
On 2021/2/23 9:12 上午, Si-Wei Liu wrote:
On 2/21/2021 11:34 PM, Michael S
On 2021/2/24 1:17 下午, Michael S. Tsirkin wrote:
On Wed, Feb 24, 2021 at 11:20:01AM +0800, Jason Wang wrote:
On 2021/2/24 3:35 上午, Si-Wei Liu wrote:
On 2/23/2021 5:26 AM, Michael S. Tsirkin wrote:
On Tue, Feb 23, 2021 at 10:03:57AM +0800, Jason Wang wrote:
On 2021/2/23 9:12 上午, Si-Wei Liu
On 2021/2/24 3:35 上午, Si-Wei Liu wrote:
On 2/23/2021 5:26 AM, Michael S. Tsirkin wrote:
On Tue, Feb 23, 2021 at 10:03:57AM +0800, Jason Wang wrote:
On 2021/2/23 9:12 上午, Si-Wei Liu wrote:
On 2/21/2021 11:34 PM, Michael S. Tsirkin wrote:
On Mon, Feb 22, 2021 at 12:14:17PM +0800, Jason
On 2021/2/23 6:04 下午, Cornelia Huck wrote:
On Tue, 23 Feb 2021 17:46:20 +0800
Jason Wang wrote:
On 2021/2/23 下午5:25, Michael S. Tsirkin wrote:
On Mon, Feb 22, 2021 at 09:09:28AM -0800, Si-Wei Liu wrote:
On 2/21/2021 8:14 PM, Jason Wang wrote:
On 2021/2/19 7:54 下午, Si-Wei Liu wrote
On 2021/2/23 6:01 下午, Michael S. Tsirkin wrote:
On Tue, Feb 23, 2021 at 05:46:20PM +0800, Jason Wang wrote:
On 2021/2/23 下午5:25, Michael S. Tsirkin wrote:
On Mon, Feb 22, 2021 at 09:09:28AM -0800, Si-Wei Liu wrote:
On 2/21/2021 8:14 PM, Jason Wang wrote:
On 2021/2/19 7:54 下午, Si-Wei Liu
On 2021/2/23 下午5:26, Michael S. Tsirkin wrote:
On Mon, Feb 22, 2021 at 08:05:26AM +0200, Eli Cohen wrote:
On Sun, Feb 21, 2021 at 04:52:05PM -0500, Michael S. Tsirkin wrote:
On Sun, Feb 21, 2021 at 04:44:37PM +0200, Eli Cohen wrote:
On Fri, Feb 19, 2021 at 06:54:58AM -0500, Si-Wei Liu
On 2021/2/23 下午5:25, Michael S. Tsirkin wrote:
On Mon, Feb 22, 2021 at 09:09:28AM -0800, Si-Wei Liu wrote:
On 2/21/2021 8:14 PM, Jason Wang wrote:
On 2021/2/19 7:54 下午, Si-Wei Liu wrote:
Commit 452639a64ad8 ("vdpa: make sure set_features is invoked
for legacy") made an exception
-by: Jason Wang
---
drivers/vdpa/Kconfig | 7 +
drivers/vdpa/Makefile | 1 +
drivers/vdpa/virtio_pci/Makefile | 2 +
drivers/vdpa/virtio_pci/vp_vdpa.c | 458 ++
4 files changed, 468 insertions(+)
create mode 100644 drivers/vdpa/virtio_pci
This patch delay the queue number setting to vDPA device
registering. This allows us to probe the virtqueue numbers between
device allocation and registering.
Reviewed-by: Stefano Garzarella
Signed-off-by: Jason Wang
---
drivers/vdpa/ifcvf/ifcvf_main.c | 5 ++---
drivers/vdpa/mlx5/net
Bergmann
Cc: Anders Roxell
Cc: Guenter Roeck
Reported-by: Naresh Kamboju
Fixes: 86b87c9d858b6 ("virtio-pci: introduce modern device module")
Signed-off-by: Jason Wang
---
drivers/virtio/Kconfig | 11 ++-
drivers/virtio/Makefile | 2 +-
2 files changed, 7 insertions(+), 6
- No feature whitelist, supporting any features (mq, config etc)
Jason Wang (3):
virtio: don't prompt CONFIG_VIRTIO_PCI_MODERN
vdpa: set the virtqueue num during register
vdpa: introduce virtio pci driver
drivers/vdpa/Kconfig | 7 +
drivers/vdpa/Makefile| 1
name vdpa0
3. Show vdpa devices
$ vdpa dev show
vdpa0: type network mgmtdev pci/:3b:00.1 vendor_id max_vqs 16 \
max_vq_size 256
Signed-off-by: Eli Cohen
Reviewed-by: Parav Pandit
Acked-by: Jason Wang
---
v0->v1:
set mgtdev->ndev NULL on dev delete
drivers/vdpa/ml
On 2021/2/23 9:12 上午, Si-Wei Liu wrote:
On 2/21/2021 11:34 PM, Michael S. Tsirkin wrote:
On Mon, Feb 22, 2021 at 12:14:17PM +0800, Jason Wang wrote:
On 2021/2/19 7:54 下午, Si-Wei Liu wrote:
Commit 452639a64ad8 ("vdpa: make sure set_features is invoked
for legacy") made an
On 2021/2/23 1:09 上午, Si-Wei Liu wrote:
On 2/21/2021 8:14 PM, Jason Wang wrote:
On 2021/2/19 7:54 下午, Si-Wei Liu wrote:
Commit 452639a64ad8 ("vdpa: make sure set_features is invoked
for legacy") made an exception for legacy guests to reset
features to 0, when config space i
On 2021/2/22 5:04 下午, Stefano Garzarella wrote:
On Sat, Feb 20, 2021 at 04:46:29PM +0800, Jason Wang wrote:
This patch introduce a vDPA driver for virtio-pci device. It bridges
the virtio-pci control command to the vDPA bus. This will be used for
features prototyping and testing.
Note
On 2021/2/22 3:29 下午, Michael S. Tsirkin wrote:
On Mon, Feb 22, 2021 at 11:42:44AM +0800, Jason Wang wrote:
On 2021/2/19 11:38 下午, Guenter Roeck wrote:
On 2/19/21 12:45 AM, Jason Wang wrote:
We used to prompt CONFIG_VIRTIO_PCI_MODERN to user which may bring a
lot of confusion. E.g it may
On 2021/2/19 7:54 下午, Si-Wei Liu wrote:
Commit 452639a64ad8 ("vdpa: make sure set_features is invoked
for legacy") made an exception for legacy guests to reset
features to 0, when config space is accessed before features
are set. We should relieve the verify_min_features() check
and allow
On 2021/2/21 12:28 上午, Xianting Tian wrote:
virtio_config_enable(), virtio_config_disable() are only used inside
drivers/virtio/virtio.c, so it doesn't need export the symbols.
Signed-off-by: Xianting Tian
Acked-by: Jason Wang
---
drivers/virtio/virtio.c | 6 ++
include/linux
On 2021/2/19 11:38 下午, Guenter Roeck wrote:
On 2/19/21 12:45 AM, Jason Wang wrote:
We used to prompt CONFIG_VIRTIO_PCI_MODERN to user which may bring a
lot of confusion. E.g it may break various default configs which want
virtio devices.
So this patch fixes this by hide the prompot
On 2021/2/19 10:55 下午, Willem de Bruijn wrote:
On Fri, Feb 19, 2021 at 3:53 AM Jason Wang wrote:
On 2021/2/18 11:50 下午, Willem de Bruijn wrote:
On Thu, Feb 18, 2021 at 10:01 AM Balazs Nemeth wrote:
For gso packets, virtio_net_hdr_set_proto sets the protocol (if it isn't
set) based
On 2021/2/19 6:12 下午, Arnd Bergmann wrote:
On Fri, Feb 19, 2021 at 9:45 AM Jason Wang wrote:
We used to prompt CONFIG_VIRTIO_PCI_MODERN to user which may bring a
lot of confusion. E.g it may break various default configs which want
virtio devices.
So this patch fixes this by hide
This patch delay the queue number setting to vDPA device
registering. This allows us to probe the virtqueue numbers between
device allocation and registering.
Signed-off-by: Jason Wang
---
drivers/vdpa/ifcvf/ifcvf_main.c | 5 ++---
drivers/vdpa/mlx5/net/mlx5_vnet.c| 4 ++--
drivers
-by: Jason Wang
---
drivers/vdpa/Kconfig | 7 +
drivers/vdpa/Makefile | 1 +
drivers/vdpa/virtio_pci/Makefile | 2 +
drivers/vdpa/virtio_pci/vp_vdpa.c | 456 ++
4 files changed, 466 insertions(+)
create mode 100644 drivers/vdpa/virtio_pci
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