On 2020/12/6 下午6:57, Eli Cohen wrote:
Make sure to put write memory barrier after updating CQ consumer index
so the hardware knows that there are available CQE slots in the queue.
Failure to do this can cause the update of the RX doorbell record to get
updated before the CQ consumer index resul
On 2020/12/6 上午3:32, Michael S. Tsirkin wrote:
On Sat, Dec 05, 2020 at 08:59:55AM +0100, Enrico Weigelt, metux IT consult
wrote:
On 04.12.20 04:35, Jason Wang wrote:
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -1615,6 +1615,15 @@ config GPIO_MOCKUP
       tools/testing/s
On 2020/12/6 上午4:05, Enrico Weigelt, metux IT consult wrote:
On 05.12.20 20:32, Michael S. Tsirkin wrote:
Hi,
It seems a bit of a mess, at this point I'm not entirely sure when
should drivers select VIRTIO and when depend on it.
if VIRTIO just enables something that could be seen as library
On 2020/12/5 上午1:12, Randy Dunlap wrote:
On 12/4/20 7:20 AM, Stefano Garzarella wrote:
On Fri, Dec 04, 2020 at 12:03:53PM +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
On 2020/12/4 下午5:36, Enrico Weigelt, metux IT consult wrote:
On 04.12.20 04:35, Jason Wang wrote:
Hi,
Is the plan to keep this doc synced with the one in the virtio
specification?
Yes, of course. I'm still in progress of doing the beaurocratic stuff w/
virtio-tc folks (ID registration, ...)
On 2020/12/4 下午6:22, wangyunjian wrote:
-Original Message-
From: Jason Wang [mailto:jasow...@redhat.com]
Sent: Friday, December 4, 2020 2:11 PM
To: wangyunjian ; m...@redhat.com
Cc: virtualization@lists.linux-foundation.org; net...@vger.kernel.org; Lilijun
(Jerry) ; xudingke
Subject: Re
On 2020/12/4 上午1:04, Stefano Garzarella wrote:
It's possible to allocate an unlimited IOTLB calling
vhost_iotlb_alloc() with 'limit' = 0.
Add a new macro (VHOST_IOTLB_UNLIMITED) for this case and document
it in the vhost_iotlb_alloc() documentation block.
Suggested-by: Jason Wang
Signed-off-b
On 2020/12/4 上午1:04, Stefano Garzarella wrote:
The simulated devices can support multiple queues, so this limit
should be defined according to the number of queues supported by
the device.
Since we are in a simulator, let's simply remove that limit.
Suggested-by: Jason Wang
Acked-by: Jason Wa
On 2020/12/5 上午12:32, Mike Christie wrote:
On 12/4/20 2:09 AM, Jason Wang wrote:
On 2020/12/4 下午3:56, Mike Christie wrote:
+static long vhost_vring_set_cpu(struct vhost_dev *d, struct
vhost_virtqueue *vq,
+ void __user *argp)
+{
+ struct vhost_vring_state s;
+ int ret =
On 2020/12/4 下午4:43, Zhang Changzhong wrote:
Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
Fixes: 25b98b64e284 ("vhost scsi: alloc cmds per vq instead of session")
Reported-by: Hulk Robot
Signed-off-by: Zhang Changzhong
---
On 2020/12/4 上午1:05, Stefano Garzarella wrote:
Add new 'config_size' attribute in 'vdpasim_dev_attr' and allocates
'config' dynamically to support any device types.
Signed-off-by: Stefano Garzarella
---
drivers/vdpa/vdpa_sim/vdpa_sim.c | 17 +
1 file changed, 13 insertions(+
On 2020/12/4 上午1:05, Stefano Garzarella wrote:
The get_config callback can be used by the device to fill the
config structure.
The callback will be invoked in vdpasim_get_config() before copying
bytes into caller buffer.
Move vDPA-net config updates from vdpasim_set_features() in the
new vdpasi
On 2020/12/4 上午1:05, Stefano Garzarella wrote:
The set_config callback can be used by the device to parse the
config structure modified by the driver.
The callback will be invoked, if set, in vdpasim_set_config() after
copying bytes from caller buffer into vdpasim->config buffer.
Signed-off-by
On 2020/12/4 上午1:05, Stefano Garzarella wrote:
Instead of calling the vq callback directly, we can leverage the
vringh_notify() function, adding vdpasim_vq_notify() and setting it
in the vringh notify callback.
Suggested-by: Jason Wang
Signed-off-by: Stefano Garzarella
Acked-by: Jason Wang
On 2020/12/4 上午1:05, Stefano Garzarella wrote:
From: Max Gurtovoy
Introduce new vdpa_sim_net and vdpa_sim (core) drivers. This is a
preparation for adding a vdpa simulator module for block devices.
Signed-off-by: Max Gurtovoy
[sgarzare: various cleanups/fixes]
Signed-off-by: Stefano Garzarella
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