From: Will Deacon
We can advertise ourselves to guests as KVM and provide a basic features
bitmap for discoverability of future hypervisor services.
Cc: Marc Zyngier
Signed-off-by: Will Deacon
Signed-off-by: Jianyong Wu
---
arch/arm64/kvm/hypercalls.c | 27 ++-
1 file
Let userspace check if there is kvm ptp service in host.
Before VMs migrate to another host, VMM may check if this
cap is available to determine the next behavior.
Signed-off-by: Jianyong Wu
Suggested-by: Marc Zyngier
---
arch/arm64/kvm/arm.c | 1 +
include/uapi/linux/kvm.h | 1 +
2 files c
PTP_KVM implementation depends on hypercall using SMCCC. So we
introduce a new SMCCC service ID. This doc explains how does the
ID define and how does PTP_KVM works on arm/arm64.
Signed-off-by: Jianyong Wu
---
Documentation/virt/kvm/api.rst | 9 +++
Documentation/virt/kvm/arm/index.
From: Thomas Gleixner
System time snapshots are not conveying information about the current
clocksource which was used, but callers like the PTP KVM guest
implementation have the requirement to evaluate the clocksource type to
select the appropriate mechanism.
Introduce a clocksource id field in
Currently, we offen use ntp (sync time with remote network clock)
to sync time in VM. But the precision of ntp is subject to network delay
so it's difficult to sync time in a high precision.
kvm virtual ptp clock (ptp_kvm) offers another way to sync time in VM,
as the remote clock locates in the h
Currently, ptp_kvm modules implementation is only for x86 which includes
large part of arch-specific code. This patch moves all of this code
into a new arch related file in the same directory.
Signed-off-by: Jianyong Wu
---
drivers/ptp/Makefile| 1 +
drivers/ptp/{ptp_kv
Currently, there is no mechanism to keep time sync between guest and host
in arm/arm64 virtualization environment. Time in guest will drift compared
with host after boot up as they may both use third party time sources
to correct their time respectively. The time deviation will be in order
of milli
Add clocksource id for arm arch counter to let it be identified easily and
elegantly in ptp_kvm implementation for arm.
Signed-off-by: Jianyong Wu
---
drivers/clocksource/arm_arch_timer.c | 2 ++
include/linux/clocksource_ids.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/drivers/c
ptp_kvm will get this service through SMCC call.
The service offers wall time and cycle count of host to guest.
The caller must specify whether they want the host cycle count
or the difference between host cycle count and cntvoff.
Signed-off-by: Jianyong Wu
---
arch/arm64/kvm/hypercalls.c | 59 +
From: Will Deacon
Although the SMCCC specification provides some limited functionality for
describing the presence of hypervisor and firmware services, this is
generally applicable only to functions designated as "Arm Architecture
Service Functions" and no portable discovery mechanism is provided
This series introduce the lockless version of netdev_notify_peers
and then apply it to the relevant drivers.
In v1, a more appropriate name __netdev_notify_peers is used;
netdev_notify_peers is converted to call the new helper.
Lijun Pan (3):
net: core: introduce __netdev_notify_peers
use __
Start to use the lockless version of netdev_notify_peers.
Cc: Haiyang Zhang
Signed-off-by: Lijun Pan
---
drivers/net/hyperv/netvsc_drv.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index d17bbc75f5e7
Start to use the lockless version of netdev_notify_peers.
Signed-off-by: Lijun Pan
---
drivers/net/ethernet/ibm/ibmvnic.c | 9 +++--
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c
b/drivers/net/ethernet/ibm/ibmvnic.c
index cb701a6c0712..626e
There are some use cases for netdev_notify_peers in the context
when rtnl lock is already held. Introduce lockless version
of netdev_notify_peers call to save the extra code to call
call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, dev);
call_netdevice_notifiers(NETDEV_RESEND_IGMP, dev)
On Tue, Dec 08, 2020 at 11:22:26AM -0800, Jakub Kicinski wrote:
> On Mon, 7 Dec 2020 20:14:00 +0800 Zou Wei wrote:
> > Remove including that don't need it.
> >
> > Signed-off-by: Zou Wei
> > ---
> > drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 1 -
> > 1 file changed, 1 deletion(-)
> >
> >
ok, I will add the Fixes line and send the v2 soon.
-邮件原件-
发件人: Leon Romanovsky [mailto:l...@kernel.org]
发送时间: 2020年12月9日 14:21
收件人: Jakub Kicinski
抄送: Zouwei (Samuel) ; sae...@nvidia.com;
da...@davemloft.net; netdev@vger.kernel.org; linux-r...@vger.kernel.org;
linux-ker...@vger.kernel
Remove including that don't need it.
Fixes: 17a7612b99e6 ("net/mlx5_core: Clean driver version and name")
Signed-off-by: Zou Wei
---
drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
b/drivers/ne
"Gustavo A. R. Silva" wrote:
> In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
> by explicitly adding a break statement instead of letting the code fall
> through to the next case.
>
> Link: https://github.com/KSPP/linux/issues/115
> Signed-off-by: Gustavo A. R. Silva
>
From: Parav Pandit
Prepare code to fill zero or more port function optional attributes.
Subsequent patch makes use of this to fill more port function
attributes.
Signed-off-by: Parav Pandit
Reviewed-by: Jiri Pirko
Reviewed-by: Vu Pham
Signed-off-by: Saeed Mahameed
---
net/core/devlink.c | 6
From: Parav Pandit
A PCI sub-function (SF) represents a portion of the device similar
to PCI VF.
In an eswitch, PCI SF may have port which is normally represented
using a representor netdevice.
To have better visibility of eswitch port, its association with SF,
and its representor netdevice, int
From: Parav Pandit
Extended devlink interface for the user to add and delete port.
Extend devlink to connect user requests to driver to add/delete
such port in the device.
When driver routines are invoked, devlink instance lock is not held.
This enables driver to perform several devlink objects
From: Parav Pandit
devlink port function can be in active or inactive state.
Allow users to get and set port function's state.
When the port function it activated, its operational state may change
after a while when the device is created and driver binds to it.
Similarly on deactivation flow.
T
From: Parav Pandit
Introduce API to add and delete an auxiliary device for an SF.
Each SF has its own dedicated window in the PCI BAR 2.
SF device is similar to PCI PF and VF that supports multiple class of
devices such as net, rdma and vdpa.
SF device will be added or removed in subsequent pat
From: Parav Pandit
Add devlink port documentation for subfunction management.
Signed-off-by: Parav Pandit
Signed-off-by: Saeed Mahameed
---
Changelog:
v1->v2:
- new patch
---
Documentation/driver-api/auxiliary_bus.rst| 2 +
.../networking/devlink/devlink-port.rst | 89
From: Parav Pandit
Hi Dave, Jakub, Jason,
This series form Parav was the theme of this mlx5 release cycle,
we've been waiting anxiously for the auxbus infrastructure to make it into
the kernel, and now as the auxbus is in and all the stars are aligned, I
can finally submit this V2 of the devlink
From: Parav Pandit
Added documentation for devlink port and port function related commands.
Signed-off-by: Parav Pandit
Reviewed-by: Jiri Pirko
Reviewed-by: Jacob Keller
Signed-off-by: Saeed Mahameed
---
Changelog:
v5->v6:
- added label for devlink port to refer in other documentation
- re
From: Parav Pandit
vhca state events indicates change in the state of the vhca that may
occur due to a SF allocation, deallocation or enabling/disabling the
SF HCA.
Introduce vhca state event handler which will be used by SF devlink
port manager and SF hardware id allocator in subsequent patches
From: Parav Pandit
Support changing the state of the SF port's function through devlink.
When activating the SF port's function, enable the hca in the device
followed by adding its auxiliary device.
When deactivating the SF port's function, delete its auxiliary device
followed by disabling the vH
From: Parav Pandit
To handle SF port management outside of the eswitch as independent
software layer, introduce eswitch notifier APIs so that upper layer who
wish to support sf port management in switchdev mode can perform its
task whenever eswitch mode is set to switchdev or before eswitch is
di
From: Parav Pandit
Add helpers to enable/disable eswitch port, register its devlink port and
load its representor.
Signed-off-by: Vu Pham
Signed-off-by: Parav Pandit
Reviewed-by: Roi Dayan
Signed-off-by: Saeed Mahameed
---
Changelog:
v1->v2:
- cut down extra api for vport enable/disable
---
From: Parav Pandit
Add documentation for subfunction management using devlink
port.
Signed-off-by: Parav Pandit
Signed-off-by: Saeed Mahameed
---
Changelog:
v1->v2:
- new patch
---
.../device_drivers/ethernet/mellanox/mlx5.rst | 204 ++
1 file changed, 204 insertions(+)
diff
From: Parav Pandit
Add auxiliary device driver for mlx5 subfunction auxiliary device.
A mlx5 subfunction is similar to PCI PF and VF. For a subfunction
an auxiliary device is created.
As a result, when mlx5 SF auxiliary device binds to the driver,
its netdev and rdma device are created, they ap
From: Vu Pham
Prepare eswitch to handle SF vport during
(a) querying eswitch functions
(b) egress ACL creation
(c) account for SF vports in total vports calculation
Assign a dedicated placeholder for SFs vports and their representors.
They are placed after VFs vports and before ECPF vports as be
On 09/12/2020 3:06, David Ahern wrote:
> On 12/7/20 2:06 PM, Boris Pismenny wrote:
>> get_netdev_for_sock is a utility that is used to obtain
>> the net_device structure from a connected socket.
>>
>> Later patches will use this for nvme-tcp DDP and DDP CRC offloads.
>>
>> Signed-off-by: Boris Pism
On 12/8/20 7:07 PM, Jakub Kicinski wrote:
> On Tue, 8 Dec 2020 13:54:28 +0100 Oliver Hartkopp wrote:
>> On 05.12.20 22:09, Jakub Kicinski wrote:
>>> On Sat, 5 Dec 2020 21:56:33 +0100 Marc Kleine-Budde wrote:
On 12/5/20 9:33 PM, Jakub Kicinski wrote:
>> What about the (incremental?) cha
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