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Shahar Klein [Thu, 13 Dec 2018 03:11:41 +0000 (19:11 -0800)]
net/mlx5: Fold the modify lag code into function
Handle the code of modifying the lag affinity within a separate function.
Signed-off-by: Shahar Klein <shahark@mellanox.com>
Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Aviv Heller <avivh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Roi Dayan [Thu, 13 Dec 2018 03:11:40 +0000 (19:11 -0800)]
net/mlx5: Add lag affinity info to log
Report the initial LAG port affinity upon LAG creation.
Signed-off-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Shahar Klein <shahark@mellanox.com>
Reviewed-by: Aviv Heller <avivh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Roi Dayan [Thu, 13 Dec 2018 03:11:39 +0000 (19:11 -0800)]
net/mlx5: Split the activate lag function into two routines
Split the activate lag function in order to be symmetric with
the deactivate lag function.
Signed-off-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Shahar Klein <shahark@mellanox.com>
Reviewed-by: Aviv Heller <avivh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Shahar Klein [Thu, 13 Dec 2018 03:11:38 +0000 (19:11 -0800)]
net/mlx5: E-Switch, Introduce flow counter affinity
This dictates the device affinity for eswitch flow counters, set by the FW
according to the HW device capabilities.
Under "source eswitch" affinity, the counter should be allocated on the
device related to the source vport in the match. This covers both non
merged e-switch mode as well as old FW that does not advertise this cap.
Under "flow eswitch" affinity, the counter should be allocated on the
device where the eswitch rule is set.
Signed-off-by: Shahar Klein <shahark@mellanox.com>
Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Mark Bloch [Thu, 13 Dec 2018 03:11:37 +0000 (19:11 -0800)]
IB/mlx5: Unify e-switch representors load approach between uplink and VFs
When in switchdev mode and the add function is called by the core
level driver, make sure we only register the callbacks, but don't
create the mlx5 IB device or initialize anything. With this change
all the IB devices in switchdev mode are created only once the load
callback is invoked by the e-switch core sub-module. This follows
the design paradigm under which the all the Eth representors must
be loaded before any of IB reprs is loaded.
Signed-off-by: Mark Bloch <markb@mellanox.com>
Acked-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Thu, 13 Dec 2018 03:11:36 +0000 (19:11 -0800)]
net/mlx5: Use lowercase 'X' for hex values
Apparently gcc is cool with upper case '0X' but it is not commonly used.
Replace '0X' with lowercase '0x' in mlx5_ifc.h file.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
YueHaibing [Wed, 12 Dec 2018 08:03:38 +0000 (08:03 +0000)]
net/mlx5: Remove duplicated include from eswitch.c
Remove duplicated include.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Or Gerlitz [Mon, 10 Dec 2018 21:15:17 +0000 (13:15 -0800)]
net/mlx5: Remove the get protocol device interface entry
This isn't used anywhere across the mlx5 driver stack,
remove it.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Eli Britstein [Mon, 10 Dec 2018 21:15:16 +0000 (13:15 -0800)]
net/mlx5: Support extended destination format in flow steering command
Update the flow steering command formatting according to the extended
destination API.
Note that the FW dictates that multi destination FTEs that involve at
least one encap must use the extended destination format, while single
destination ones must use the legacy format.
Using extended destination format requires FW support. Check for its
capabilities and return error if not supported.
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Eli Britstein [Mon, 10 Dec 2018 21:15:15 +0000 (13:15 -0800)]
net/mlx5: E-Switch, Change vhca id valid bool field to bit flag
Change the driver flow destination struct to use bit flags with the vhca
id valid being the 1st one. The flags field is more extendable and will
be used in downstream patch.
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Eli Britstein [Mon, 10 Dec 2018 21:15:14 +0000 (13:15 -0800)]
net/mlx5: Introduce extended destination fields
Extended destinations provide the ability to configure different
encapsulation properties per destination on a single FTE. This is
needed for use-cases such as remote mirroring over tunneled networks.
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Oz Shlomo [Mon, 10 Dec 2018 21:15:13 +0000 (13:15 -0800)]
net/mlx5: Revise gre and nvgre key formats
GRE RFC defines a 32 bit key field. NVGRE RFC splits the 32 bit
key field to 24 bit VSID (gre_key_h) and 8 bit flow entropy (gre_key_l).
Define the two key parsing alternatives in a union, thus enabling both
access methods.
Signed-off-by: Oz Shlomo <ozsh@mellanox.com>
Reviewed-by: Eli Britstein <elibr@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Eyal Davidovich [Mon, 10 Dec 2018 21:15:12 +0000 (13:15 -0800)]
net/mlx5: Add monitor commands layout and event data
Will be used in downstream patch to monitor counter changes
by the HCA and report it to the driver by an event.
The driver will update its counters cached data accordingly.
Signed-off-by: Eyal Davidovich <eyald@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Mikhael Goikhman [Mon, 10 Dec 2018 21:15:11 +0000 (13:15 -0800)]
net/mlx5: Add support for plugged-disabled cable status in PME
Support a new hardware module status in port module events:
- module_status=0x4 (Cable plugged, but disabled)
Signed-off-by: Mikhael Goikhman <migo@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Mikhael Goikhman [Mon, 10 Dec 2018 21:15:10 +0000 (13:15 -0800)]
net/mlx5: Add support for PCIe power slot exceeded error in PME
Support a new hardware error type in port module events:
- error_type=0xc (PCIe system power slot exceeded)
Signed-off-by: Mikhael Goikhman <migo@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Mikhael Goikhman [Mon, 10 Dec 2018 21:15:09 +0000 (13:15 -0800)]
net/mlx5: Rework handling of port module events
Add explicit HW defined error values. For simplicity, keep counters for all
statuses starting from 0, although currently status=0 is not used.
Additionally, when HW signals an unexpected cable status, it is reported
now rather than ignored. And status counter is now updated on errors.
Signed-off-by: Mikhael Goikhman <migo@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Wed, 5 Dec 2018 02:03:03 +0000 (18:03 -0800)]
net/mlx5: Move flow counters data structures from flow steering header
After the following flow counters API refactoring:
("net/mlx5: Use flow counter IDs and not the wrapping cache object")
flow counters private data structures mlx5_fc_cache and mlx5_fc are
redundantly exposed in fs_core.h, they have nothing to do with flow
steering core and they are private to fs_counter.c, this patch moves them
to where they belong and reduces their exposure in the driver.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Tariq Toukan [Wed, 5 Dec 2018 02:03:02 +0000 (18:03 -0800)]
IB/mlx5: Use helper to get CQE opcode
Use the new helper that extracts the opcode
from a CQE (completion queue entry) structure.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Acked-by: Leon Romanovsky <leonro@mellanox.com>
Tariq Toukan [Wed, 5 Dec 2018 02:03:01 +0000 (18:03 -0800)]
net/mlx5: Use helper to get CQE opcode
Introduce and use a helper that extracts the opcode
from a CQE (completion queue entry) structure.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Daniel Jurgens [Wed, 5 Dec 2018 02:03:00 +0000 (18:03 -0800)]
net/mlx5: When fetching CQEs return CQE instead of void pointer
The function is only used to retrieve CQEs, use the proper type as the
return value.
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Danit Goldberg [Fri, 30 Nov 2018 11:22:04 +0000 (13:22 +0200)]
net/mlx5: Expose packet based credit mode
Packet based credit mode bit determines whether the credit mode
is done per message or packet. Expose the QP creation flag and
the HCA capability.
Signed-off-by: Danit Goldberg <danitg@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Yishai Hadas [Mon, 26 Nov 2018 06:28:32 +0000 (08:28 +0200)]
net/mlx5: Update mlx5_ifc with DEVX UCTX capabilities bits
Expose device capabilities for DEVX user context, it includes which caps
the device is supported and a matching bit to set as part of user
context creation.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Leon Romanovsky [Wed, 28 Nov 2018 18:53:43 +0000 (20:53 +0200)]
RDMA/mlx5: Unfold modify RMP function
There is no need to perform modify_rmp in two separate function,
while one of them uses stack as a placeholder for data while other
allocates it dynamically. Combine those two functions to one call
instead of two.
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Leon Romanovsky [Wed, 28 Nov 2018 18:53:42 +0000 (20:53 +0200)]
RDMA/mlx5: Unfold create RMP function
There is no need to perform create_rmp in two separate function, while
one of them uses stack as a placeholder for data while other allocates
it dynamically. Combine those two functions to one instead of two.
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Leon Romanovsky [Wed, 28 Nov 2018 18:53:41 +0000 (20:53 +0200)]
RDMA/mlx5: Initialize SRQ tables on mlx5_ib
Transfer initialization and cleanup from mlx5_priv struct of
mlx5_core_dev to be part of mlx5_ib_dev. This completes removal
of SRQ from mlx5_core.
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Leon Romanovsky [Wed, 28 Nov 2018 18:53:40 +0000 (20:53 +0200)]
RDMA/mlx5: Update SRQ functions signatures to mlx5_ib format
Reflect the change of moving SRQ code from mlx5_core to mlx5_ib by
updating function signatures do not require mlx5_core_dev as an input,
because all operations in mlx5_ib are supposed to use mlx5_ib_dev.
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Leon Romanovsky [Wed, 28 Nov 2018 18:53:39 +0000 (20:53 +0200)]
RDMA/mlx5: Use stages for callback to setup and release DEVX
Reuse existing infrastructure to initialize and release DEVX uid.
The DevX interface is intended for user space access, so it is supposed
to be initialized before ib_register_device(). Also it isn't supported
in switchdev mode and don't need to initialize it in that mode.
Fixes:
76dc5a8406bf ("IB/mlx5: Manage device uid for DEVX white list commands")
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Leon Romanovsky [Wed, 28 Nov 2018 18:53:38 +0000 (20:53 +0200)]
RDMA/mlx5: Remove SRQ signature global flag
SRQ signature is not supported, hence no need for special static
global variable to announce it.
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Leon Romanovsky [Wed, 28 Nov 2018 18:53:37 +0000 (20:53 +0200)]
net/mlx5: Move SRQ functions to RDMA part
There is no need to keep SRQ which is RDMA object in mlx5_core.
In this patch, we partially move the execution code, while next patches
will move table initialization/release logic too.
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Leon Romanovsky [Wed, 28 Nov 2018 18:53:36 +0000 (20:53 +0200)]
net/mlx5: Remove references to local mlx5_core functions
As a preparation to move SRQ functionality to RDMA, drop all references
to mlx5_core logic and make SRQ be dependent on shared code only.
Most of the time, we are interested to know if events are working/not
working and it is possible with previous commit ("net/mlx5: Debug print
for forwarded async events").
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Leon Romanovsky [Wed, 28 Nov 2018 18:53:35 +0000 (20:53 +0200)]
net/mlx5: Remove not-used lib/eq.h header file
lib/eq.h is needed for EQ manipulation which are not performed in SRQ.
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Leon Romanovsky [Wed, 28 Nov 2018 18:53:34 +0000 (20:53 +0200)]
net/mlx5: Remove dead transobj code
Delete functions which are not called and not needed.
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Leon Romanovsky [Wed, 28 Nov 2018 18:53:33 +0000 (20:53 +0200)]
net/mlx5: Align SRQ licenses and copyright information
Ensure that both RDMA and netdev parts of SRQ implementation
has same copyright and license information annotated by SPDX
tags.
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Saeed Mahameed [Mon, 26 Nov 2018 22:39:08 +0000 (14:39 -0800)]
net/mlx5: Debug print for forwarded async events
Print a debug message for every async FW event forwarded to mlx5
interfaces (mlx5e netdev and mlx5_ib rdma module).
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Mon, 26 Nov 2018 22:39:07 +0000 (14:39 -0800)]
net/mlx5: Forward SRQ resource events
Allow forwarding of SRQ events to mlx5_core interfaces, e.g. mlx5_ib.
Use mlx5_notifier_register/unregister in srq.c in order to allow seamless
transition of srq.c to infiniband subsystem.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Mon, 26 Nov 2018 22:39:06 +0000 (14:39 -0800)]
net/mlx5: Forward QP/WorkQueues resource events
Allow forwarding QP and WQ events to mlx5_core interfaces, e.g. mlx5_ib
Use mlx5_notifier_register/unregister in qp.c in order to allow seamless
transition of qp.c to infiniband subsystem.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Mon, 26 Nov 2018 22:39:05 +0000 (14:39 -0800)]
net/mlx5: Remove all deprecated software versions of FW events
Before the new mlx5 event notification infrastructure and API,
mlx5_core used to process all events before forwarding them to mlx5
interfaces (mlx5e/mlx5_ib) and used to translate the event type enum
to a software defined enum, this is not needed anymore since it is ok
for mlx5e and mlx5_ib to receive FW events as is, at least the few ones
mlx5 core allows.
mlx5e and mlx5_ib already moved to use the new API and they only handle FW
events types, it is now safe to remove all equivalent software defined
events and the logic around them.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Mon, 26 Nov 2018 22:39:04 +0000 (14:39 -0800)]
IB/mlx5: Handle raw delay drop general event
Handle FW general event rq delay drop as it was received from FW via mlx5
notifiers API, instead of handling the processed software version of that
event. After this patch we can safely remove all software processed FW
events types and definitions.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Mon, 26 Nov 2018 22:39:03 +0000 (14:39 -0800)]
net/mlx5: Allow forwarding event type general event as is
FW general event is used by mlx5_ib for RQ delay drop timeout event
handling, in this patch we allow to forward FW general event type to mlx5
notifiers chain so mlx5_ib can handle it and to deprecate the software
version of it.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Mon, 26 Nov 2018 22:39:02 +0000 (14:39 -0800)]
IB/mlx5: Handle raw port change event rather than the software version
Use the FW version of the port change event as forwarded via new mlx5
notifiers API.
After this patch, processed software version of the port change event
will become deprecated and will be totally removed in downstream
patches.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Mon, 26 Nov 2018 22:39:01 +0000 (14:39 -0800)]
net/mlx5: Remove unused events callback and logic
The mlx5_interface->event callback is not used by mlx5e/mlx5_ib anymore.
We totally remove the delayed events logic work around, since with
the dynamic notifier registration API it is not needed anymore, mlx5_ib
can register its notifier and start receiving events exactly at the moment
it is ready to handle them.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Mon, 26 Nov 2018 22:39:00 +0000 (14:39 -0800)]
IB/mlx5: Use the new mlx5 core notifier API
Remove the deprecated mlx5_interface->event mlx5_ib callback and use new
mlx5 notifier API to subscribe for mlx5 events.
For native mlx5_ib devices profiles pf_profile/nic_rep_profile register
the notifier callback mlx5_ib_handle_event which treats the notifier
context as mlx5_ib_dev.
For vport repesentors, don't register any notifier, same as before, they
didn't receive any mlx5 events.
For slave port (mlx5_ib_multiport_info) register a different notifier
callback mlx5_ib_event_slave_port, which knows that the event is coming
for mlx5_ib_multiport_info and prepares the event job accordingly.
Before this on the event handler work we had to ask mlx5_core if this is
a slave port mlx5_core_is_mp_slave(work->dev), now it is not needed
anymore.
mlx5_ib_multiport_info notifier registration is done on
mlx5_ib_bind_slave_port and de-registration is done on
mlx5_ib_unbind_slave_port.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Mon, 26 Nov 2018 22:38:59 +0000 (14:38 -0800)]
net/mlx5: Forward all mlx5 events to mlx5 notifiers chain
This to allow seamless migration to the new notifier chain API, and to
eventually deprecate interfaces dev->event callback.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Mon, 26 Nov 2018 22:38:58 +0000 (14:38 -0800)]
net/mlx5e: Use the new mlx5 core notifier API
Remove the deprecated mlx5_interface->event mlx5e callback and use new
mlx5 notifier API to subscribe for mlx5 events, handle port change event
as received from FW rather than handling the mlx5 core processed port
change software version event.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Mon, 26 Nov 2018 22:38:57 +0000 (14:38 -0800)]
net/mlx5: Allow port change event to be forwarded to driver notifiers chain
The idea is to allow mlx5 core interfaces (mlx5e/mlx5_ib) to be able to
receive some allowed FW events as is via the new notifier API.
In this patch we allow forwarding port change event to mlx5 core interfaces
(mlx5e/mlx5_ib) as it was received from FW.
Once mlx5e and mlx5_ib start using this event we can safely remove the
redundant software version of it and its translation logic.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Mon, 26 Nov 2018 22:38:56 +0000 (14:38 -0800)]
net/mlx5: Driver events notifier API
Use atomic notifier chain to fire events to mlx5 core driver
consumers (mlx5e/mlx5_ib) and provide mlx5 register/unregister notifier
API.
This API will replace the current mlx5_interface->event callback and all
the logic around it, especially the delayed events logic introduced by
commit
97834eba7c19 ("net/mlx5: Delay events till ib registration ends")
Which is not needed anymore with this new API where the mlx5 interface
can dynamically register/unregister its notifier.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Tue, 20 Nov 2018 22:12:28 +0000 (14:12 -0800)]
net/mlx5: Improve core device events handling
Register a separate handler per event type, rather than listening for all
events and looking for the events to handle in a switch case.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Tue, 20 Nov 2018 22:12:27 +0000 (14:12 -0800)]
net/mlx5: Device events, Use async events chain
Move all the generic async events handling into new specific events
handling file events.c to keep eq.c file clean from concrete event logic
handling.
Use new API to register for NOTIFY_ANY to handle generic events and
dispatch allowed events to mlx5_core consumers (mlx5_ib and mlx5e)
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Tue, 20 Nov 2018 22:12:26 +0000 (14:12 -0800)]
net/mlx5: CQ ERR, Use async events chain
Remove the explicit call to mlx5_eq_cq_event on MLX5_EVENT_TYPE_CQ_ERROR
and register a specific CQ ERROR handler via the new API.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Tue, 20 Nov 2018 22:12:25 +0000 (14:12 -0800)]
net/mlx5: Resource tables, Use async events chain
Remove the explicit call to QP/SRQ resources events handlers on several FW
events and let resources logic register resources events notifiers via the
new API.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Tue, 20 Nov 2018 22:12:24 +0000 (14:12 -0800)]
net/mlx5: CmdIF, Use async events chain
Remove the explicit call to mlx5_cmd_comp_handler on MLX5_EVENT_TYPE_CMD
and let command interface to register its own handler when its ready.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Tue, 20 Nov 2018 22:12:23 +0000 (14:12 -0800)]
net/mlx5: FWPage, Use async events chain
Remove the explicit call to mlx5_core_req_pages_handler on
MLX5_EVENT_TYPE_PAGE_REQUEST and let FW page logic to register its own
handler when its ready.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Tue, 20 Nov 2018 22:12:22 +0000 (14:12 -0800)]
net/mlx5: E-Switch, Use async events chain
Remove the explicit call to mlx5_eswitch_vport_event on
MLX5_EVENT_TYPE_NIC_VPORT_CHANGE and let the eswitch register its own
handler when its ready.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Tue, 20 Nov 2018 22:12:21 +0000 (14:12 -0800)]
net/mlx5: Clock, Use async events chain
Remove the explicit call to mlx5_pps_event on MLX5_EVENT_TYPE_PPS_EVENT
and let clock logic to register its own handler when its ready.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Tue, 20 Nov 2018 22:12:20 +0000 (14:12 -0800)]
net/mlx5: FPGA, Use async events chain
Remove the explicit call to mlx5_fpga_event on
MLX5_EVENT_TYPE_FPGA_ERROR or MLX5_EVENT_TYPE_FPGA_QP_ERROR
let fpga core to register its own handler when its ready.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Tue, 20 Nov 2018 22:12:19 +0000 (14:12 -0800)]
net/mlx5: FWTrace, Use async events chain
Remove the explicit call to mlx5_fw_tracer_event on
MLX5_EVENT_TYPE_DEVICE_TRACER and let fw tracer to register
its own handler when its ready.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Tue, 20 Nov 2018 22:12:18 +0000 (14:12 -0800)]
net/mlx5: EQ, Introduce atomic notifier chain subscription API
Use atomic_notifier_chain to fire firmware events at internal mlx5 core
components such as eswitch/fpga/clock/FW tracer/etc.., this is to
avoid explicit calls from low level mlx5_core to upper components and to
simplify the mlx5_core API for future developments.
Simply provide register/unregister notifiers API and call the notifier
chain on firmware async events.
Example: to subscribe to a FW event:
struct mlx5_nb port_event;
MLX5_NB_INIT(&port_event, port_event_handler, PORT_CHANGE);
mlx5_eq_notifier_register(mdev, &port_event);
where:
- port_event_handler is the notifier block callback.
- PORT_EVENT is the suffix of MLX5_EVENT_TYPE_PORT_CHANGE.
The above will guarantee that port_event_handler will receive all FW
events of the type MLX5_EVENT_TYPE_PORT_CHANGE.
To receive all FW/HW events one can subscribe to
MLX5_EVENT_TYPE_NOTIFY_ANY.
The next few patches will start moving all mlx5 core components to use
this new API and cleanup mlx5_eq_async_int misx handler from component
explicit calls and specific logic.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Saeed Mahameed [Mon, 19 Nov 2018 18:52:42 +0000 (10:52 -0800)]
net/mlx5: EQ, Make EQE access methods inline
These are one/two liner generic EQ access methods, better have them
declared static inline in eq.h.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Saeed Mahameed [Mon, 19 Nov 2018 18:52:41 +0000 (10:52 -0800)]
{net,IB}/mlx5: Move Page fault EQ and ODP logic to RDMA
Use the new generic EQ API to move all ODP RDMA data structures and logic
form mlx5 core driver into mlx5_ib driver.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Saeed Mahameed [Mon, 19 Nov 2018 18:52:40 +0000 (10:52 -0800)]
net/mlx5: EQ, Generic EQ
Add mlx5_eq_{create/destroy}_generic APIs and EQE access methods, for
mlx5 core consumers generic EQs.
This API will be used in downstream patch to move page fault (RDMA ODP)
EQ logic into mlx5_ib rdma driver, hence it will use a generic EQ.
Current mlx5 EQ allocation scheme:
On load mlx5 allocates 4 (for async) + #cores (for data completions)
MSIX vectors, mlx5 core will assign 3 MSIX vectors for internal async
EQs and will use all of the #cores MSIX vectors for completion EQs,
(One vector is going to be reserved for a generic EQ).
After this patch an external user (e.g mlx5_ib) of mlx5_core
can use this new API to create new generic EQs with the reserved msix
vector index for that eq.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Saeed Mahameed [Mon, 19 Nov 2018 18:52:39 +0000 (10:52 -0800)]
net/mlx5: EQ, Different EQ types
In mlx5 we have three types of usages for EQs,
1. Asynchronous EQs, used internally by mlx5 core for
a. FW command completions
b. FW page requests
c. one EQ for all other Asynchronous events
2. Completion EQs, used for CQ completion (we create one per core)
3. *Special type of EQ (page fault) used for RDMA on demand paging
(ODP).
*The 3rd type shouldn't be special at least in mlx5 core, it is yet
another async events EQ with specific use case, it will be removed in
the next two patches, and will completely move its logic to mlx5_ib,
as it is rdma specific.
In this patch we remove use case (eq type) specific fields from
struct mlx5_eq into a new eq type specific structures.
struct mlx5_eq_async;
truct mlx5_eq_comp;
struct mlx5_eq_pagefault;
Separate between their type specific flows.
In the future we will allow users to create there own generic EQs.
for now we will allow only one for ODP in next patches.
We will introduce event listeners registration API for those who
want to receive mlx5 async events.
After that mlx5 eq handling will be clean from feature/user specific
handling.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Saeed Mahameed [Mon, 19 Nov 2018 18:52:38 +0000 (10:52 -0800)]
net/mlx5: EQ, Privatize eq_table and friends
Move unnecessary EQ table structures and declaration from the
public include/linux/mlx5/driver.h into the private area of mlx5_core
and into eq.c/eq.h.
Introduce new mlx5 EQ APIs:
mlx5_comp_vectors_count(dev);
mlx5_comp_irq_get_affinity_mask(dev, vector);
And use them from mlx5_ib or mlx5e netdevice instead of direct access to
mlx5_core internal structures.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Saeed Mahameed [Mon, 19 Nov 2018 18:52:37 +0000 (10:52 -0800)]
net/mlx5: EQ, irq_info and rmap belong to eq_table
irq_info and rmap are EQ properties of the driver, and only needed for
EQ objects, move them to the eq_table EQs database structure.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Saeed Mahameed [Mon, 19 Nov 2018 18:52:36 +0000 (10:52 -0800)]
net/mlx5: EQ, Create all EQs in one place
Instead of creating the EQ table in three steps at driver load,
- allocate irq vectors
- allocate async EQs
- allocate completion EQs
Gather all of the procedures into one function in eq.c and call it from
driver load.
This will help us reduce the EQ and EQ table private structures
visibility to eq.c in downstream refactoring.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Saeed Mahameed [Mon, 19 Nov 2018 18:52:35 +0000 (10:52 -0800)]
net/mlx5: EQ, Move all EQ logic to eq.c
Move completion EQs flows from main.c to eq.c, reasons:
1) It is where this logic belongs.
2) It will help centralize the EQ logic in one file for downstream
refactoring, and future extensions/updates.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Saeed Mahameed [Mon, 19 Nov 2018 18:52:34 +0000 (10:52 -0800)]
net/mlx5: EQ, Remove redundant completion EQ list lock
Completion EQs list is only modified on driver load/unload, locking is
not required, remove it.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Saeed Mahameed [Mon, 19 Nov 2018 18:52:33 +0000 (10:52 -0800)]
net/mlx5: EQ, No need to store eq index as a field
eq->index is used only for completion EQs and is assigned to be
the completion eq index, it is used only when traversing the completion
eqs list, and it can be calculated dynamically, thus remove the
eq->index field.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Saeed Mahameed [Mon, 19 Nov 2018 18:52:32 +0000 (10:52 -0800)]
net/mlx5: EQ, Remove unused fields and structures
Some fields and structures are not referenced nor used by the driver,
remove them.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Saeed Mahameed [Mon, 19 Nov 2018 18:52:31 +0000 (10:52 -0800)]
net/mlx5: EQ, Use the right place to store/read IRQ affinity hint
Currently the cpu affinity hint mask for completion EQs is stored and
read from the wrong place, since reading and storing is done from the
same index, there is no actual issue with that, but internal irq_info
for completion EQs stars at MLX5_EQ_VEC_COMP_BASE offset in irq_info
array, this patch changes the code to use the correct offset to store
and read the IRQ affinity hint.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Moni Shoua [Thu, 8 Nov 2018 19:10:17 +0000 (21:10 +0200)]
IB/mlx5: Improve ODP debugging messages
Add and modify debug messages to ODP related error flows.
In that context, return code EAGAIN is considered less severe and print
level for it is set debug instead of warn.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Moni Shoua [Thu, 8 Nov 2018 19:10:14 +0000 (21:10 +0200)]
net/mlx5: Use multi threaded workqueue for page fault handling
Page fault events are processed in a workqueue context. Since each QP
can have up to two concurrent unrelated page-faults, one for requester
and one for responder, page-fault handling can be done in parallel.
Achieve this by changing the workqueue to be multi-threaded.
The number of threads is the same as the number of command interface
channels to avoid command interface bottlenecks.
In addition to multi-threads, change the workqueue flags to give it high
priority.
Stress benchmark shows that before this change 85% of page faults were
waiting in queue 8 seconds or more while after the change 98% of page
faults were waiting in queue 64 milliseconds or less. The number of threads
was chosen as the number of channels to the command interface.
Fixes:
d9aaed838765 ("{net,IB}/mlx5: Refactor page fault handling")
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Moni Shoua [Thu, 8 Nov 2018 19:10:13 +0000 (21:10 +0200)]
net/mlx5: Return success for PAGE_FAULT_RESUME in internal error state
When the device is in internal error state, command interface isn't
accessible and the driver decides which commands to fail and which to
pass.
Move the PAGE_FAULT_RESUME command to the pass list in order to avoid
redundant failure messages.
Fixes:
89d44f0a6c73 ("net/mlx5_core: Add pci error handlers to mlx5_core driver")
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Moni Shoua [Thu, 8 Nov 2018 19:10:12 +0000 (21:10 +0200)]
IB/mlx5: Lock QP during page fault handling
When page fault event for a WQE arrives, the event data contains the
resource (e.g. QP) number which will later be used by the page fault
handler to retrieve the resource. Meanwhile, another context can destroy
the resource and cause use-after-free. To avoid that, take a reference on the
resource when handler starts and release it when it ends.
Page fault events for RDMA operations don't need to be protected because
the driver doesn't need to access the QP in the page fault handler.
Fixes:
d9aaed838765 ("{net,IB}/mlx5: Refactor page fault handling")
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Moni Shoua [Thu, 8 Nov 2018 19:10:11 +0000 (21:10 +0200)]
net/mlx5: Enumerate page fault types
Give meaningful names to type of WQE page faults.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Moni Shoua [Thu, 8 Nov 2018 19:10:10 +0000 (21:10 +0200)]
net/mlx5: Add interface to hold and release core resources
Sometimes upper layers may want to prevent the destruction of a core
resource for a period of time while work on that resource is in
progress. Add API to support this.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Moni Shoua [Thu, 8 Nov 2018 19:10:08 +0000 (21:10 +0200)]
net/mlx5: Release resource on error flow
Fix reference counting leakage when the event handler aborts due to an
unsupported event for the resource type.
Fixes:
a14c2d4beee5 ("net/mlx5_core: Warn on unsupported events of QP/RQ/SQ")
Signed-off-by: Moni Shoua <monis@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Gal Pressman [Wed, 7 Nov 2018 18:31:37 +0000 (20:31 +0200)]
net/mlx5: Fix offsets of ifc reserved fields
Fix wrong offsets of reserved fields in ifc file.
Issues found using pahole.
Signed-off-by: Gal Pressman <pressmangal@gmail.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Yishai Hadas [Wed, 31 Oct 2018 10:20:28 +0000 (12:20 +0200)]
net/mlx5: Fix XRC SRQ umem valid bits
Adapt XRC SRQ to the latest HW specification with fixed definition
around umem valid bits. The previous definition relied on a bit which
was taken for other purposes in legacy FW.
Fixes:
bd37197554eb ("net/mlx5: Update mlx5_ifc with DEVX UID bits")
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Linus Torvalds [Sun, 4 Nov 2018 23:37:52 +0000 (15:37 -0800)]
Linux 4.20-rc1
Linus Torvalds [Sun, 4 Nov 2018 22:46:04 +0000 (14:46 -0800)]
Merge tag 'tags/upstream-4.20-rc1' of git://git.infradead.org/linux-ubifs
Pull UBIFS updates from Richard Weinberger:
- Full filesystem authentication feature, UBIFS is now able to have the
whole filesystem structure authenticated plus user data encrypted and
authenticated.
- Minor cleanups
* tag 'tags/upstream-4.20-rc1' of git://git.infradead.org/linux-ubifs: (26 commits)
ubifs: Remove unneeded semicolon
Documentation: ubifs: Add authentication whitepaper
ubifs: Enable authentication support
ubifs: Do not update inode size in-place in authenticated mode
ubifs: Add hashes and HMACs to default filesystem
ubifs: authentication: Authenticate super block node
ubifs: Create hash for default LPT
ubfis: authentication: Authenticate master node
ubifs: authentication: Authenticate LPT
ubifs: Authenticate replayed journal
ubifs: Add auth nodes to garbage collector journal head
ubifs: Add authentication nodes to journal
ubifs: authentication: Add hashes to index nodes
ubifs: Add hashes to the tree node cache
ubifs: Create functions to embed a HMAC in a node
ubifs: Add helper functions for authentication support
ubifs: Add separate functions to init/crc a node
ubifs: Format changes for authentication support
ubifs: Store read superblock node
ubifs: Drop write_node
...
Linus Torvalds [Sun, 4 Nov 2018 16:20:09 +0000 (08:20 -0800)]
Merge tag 'nfs-for-4.20-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfixes from Trond Myklebust:
"Highlights include:
Bugfix:
- Fix build issues on architectures that don't provide 64-bit cmpxchg
Cleanups:
- Fix a spelling mistake"
* tag 'nfs-for-4.20-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFS: fix spelling mistake, EACCESS -> EACCES
SUNRPC: Use atomic(64)_t for seq_send(64)
Linus Torvalds [Sun, 4 Nov 2018 16:15:15 +0000 (08:15 -0800)]
Merge branch 'timers-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull more timer updates from Thomas Gleixner:
"A set of commits for the new C-SKY architecture timers"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
dt-bindings: timer: gx6605s SOC timer
clocksource/drivers/c-sky: Add gx6605s SOC system timer
dt-bindings: timer: C-SKY Multi-processor timer
clocksource/drivers/c-sky: Add C-SKY SMP timer
Linus Torvalds [Sun, 4 Nov 2018 16:12:44 +0000 (08:12 -0800)]
Merge tag 'ntb-4.20' of git://github.com/jonmason/ntb
Pull NTB updates from Jon Mason:
"Fairly minor changes and bug fixes:
NTB IDT thermal changes and hook into hwmon, ntb_netdev clean-up of
private struct, and a few bug fixes"
* tag 'ntb-4.20' of git://github.com/jonmason/ntb:
ntb: idt: Alter the driver info comments
ntb: idt: Discard temperature sensor IRQ handler
ntb: idt: Add basic hwmon sysfs interface
ntb: idt: Alter temperature read method
ntb_netdev: Simplify remove with client device drvdata
NTB: transport: Try harder to alloc an aligned MW buffer
ntb: ntb_transport: Mark expected switch fall-throughs
ntb: idt: Set PCIe bus address to BARLIMITx
NTB: ntb_hw_idt: replace IS_ERR_OR_NULL with regular NULL checks
ntb: intel: fix return value for ndev_vec_mask()
ntb_netdev: fix sleep time mismatch
Linus Torvalds [Sun, 4 Nov 2018 01:37:09 +0000 (18:37 -0700)]
Merge branch 'sched-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"A memory (under-)allocation fix and a comment fix"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/topology: Fix off by one bug
sched/rt: Update comment in pick_next_task_rt()
Linus Torvalds [Sun, 4 Nov 2018 01:25:17 +0000 (18:25 -0700)]
Merge branch 'x86-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"A number of fixes and some late updates:
- make in_compat_syscall() behavior on x86-32 similar to other
platforms, this touches a number of generic files but is not
intended to impact non-x86 platforms.
- objtool fixes
- PAT preemption fix
- paravirt fixes/cleanups
- cpufeatures updates for new instructions
- earlyprintk quirk
- make microcode version in sysfs world-readable (it is already
world-readable in procfs)
- minor cleanups and fixes"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
compat: Cleanup in_compat_syscall() callers
x86/compat: Adjust in_compat_syscall() to generic code under !COMPAT
objtool: Support GCC 9 cold subfunction naming scheme
x86/numa_emulation: Fix uniform-split numa emulation
x86/paravirt: Remove unused _paravirt_ident_32
x86/mm/pat: Disable preemption around __flush_tlb_all()
x86/paravirt: Remove GPL from pv_ops export
x86/traps: Use format string with panic() call
x86: Clean up 'sizeof x' => 'sizeof(x)'
x86/cpufeatures: Enumerate MOVDIR64B instruction
x86/cpufeatures: Enumerate MOVDIRI instruction
x86/earlyprintk: Add a force option for pciserial device
objtool: Support per-function rodata sections
x86/microcode: Make revision and processor flags world-readable
Linus Torvalds [Sun, 4 Nov 2018 01:13:43 +0000 (18:13 -0700)]
Merge branch 'perf-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull perf updates and fixes from Ingo Molnar:
"These are almost all tooling updates: 'perf top', 'perf trace' and
'perf script' fixes and updates, an UAPI header sync with the merge
window versions, license marker updates, much improved Sparc support
from David Miller, and a number of fixes"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (66 commits)
perf intel-pt/bts: Calculate cpumode for synthesized samples
perf intel-pt: Insert callchain context into synthesized callchains
perf tools: Don't clone maps from parent when synthesizing forks
perf top: Start display thread earlier
tools headers uapi: Update linux/if_link.h header copy
tools headers uapi: Update linux/netlink.h header copy
tools headers: Sync the various kvm.h header copies
tools include uapi: Update linux/mmap.h copy
perf trace beauty: Use the mmap flags table generated from headers
perf beauty: Wire up the mmap flags table generator to the Makefile
perf beauty: Add a generator for MAP_ mmap's flag constants
tools include uapi: Update asound.h copy
tools arch uapi: Update asm-generic/unistd.h and arm64 unistd.h copies
tools include uapi: Update linux/fs.h copy
perf callchain: Honour the ordering of PERF_CONTEXT_{USER,KERNEL,etc}
perf cs-etm: Correct CPU mode for samples
perf unwind: Take pgoff into account when reporting elf to libdwfl
perf top: Do not use overwrite mode by default
perf top: Allow disabling the overwrite mode
perf trace: Beautify mount's first pathname arg
...
Linus Torvalds [Sun, 4 Nov 2018 01:12:09 +0000 (18:12 -0700)]
Merge branch 'irq-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull irq fixes from Ingo Molnar:
"An irqchip driver fix and a memory (over-)allocation fix"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/irq-mvebu-sei: Fix a NULL vs IS_ERR() bug in probe function
irq/matrix: Fix memory overallocation
Peter Zijlstra [Fri, 2 Nov 2018 13:22:25 +0000 (14:22 +0100)]
sched/topology: Fix off by one bug
With the addition of the NUMA identity level, we increased @level by
one and will run off the end of the array in the distance sort loop.
Fixed:
051f3ca02e46 ("sched/topology: Introduce NUMA identity node sched domain")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Ingo Molnar [Sat, 3 Nov 2018 22:42:16 +0000 (23:42 +0100)]
Merge branch 'core/urgent' into x86/urgent, to pick up objtool fix
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Linus Torvalds [Sat, 3 Nov 2018 19:13:57 +0000 (12:13 -0700)]
Merge tag 'armsoc-fixes' of git://git./linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A few fixes who have come in near or during the merge window:
- Removal of a VLA usage in Marvell mpp platform code
- Enable some IPMI options for ARM64 servers by default, helps
testing
- Enable PREEMPT on 32-bit ARMv7 defconfig
- Minor fix for stm32 DT (removal of an unused DMA property)
- Bugfix for TI OMAP1-based ams-delta (-EINVAL -> IRQ_NOTCONNECTED)"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: dts: stm32: update HASH1 dmas property on stm32mp157c
ARM: orion: avoid VLA in orion_mpp_conf
ARM: defconfig: Update multi_v7 to use PREEMPT
arm64: defconfig: Enable some IPMI configs
soc: ti: QMSS: Fix usage of irq_set_affinity_hint
ARM: OMAP1: ams-delta: Fix impossible .irq < 0
Linus Torvalds [Sat, 3 Nov 2018 17:55:23 +0000 (10:55 -0700)]
Merge tag 'arm64-upstream' of git://git./linux/kernel/git/arm64/linux
Pull more arm64 updates from Catalin Marinas:
- fix W+X page (mark RO) allocated by the arm64 kprobes code
- Makefile fix for .i files in out of tree modules
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: kprobe: make page to RO mode when allocate it
arm64: kdump: fix small typo
arm64: makefile fix build of .i file in external module case
Linus Torvalds [Sat, 3 Nov 2018 17:53:33 +0000 (10:53 -0700)]
Merge tag 'dma-mapping-4.20-2' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping fix from Christoph Hellwig:
"Avoid compile warnings on non-default arm64 configs"
* tag 'dma-mapping-4.20-2' of git://git.infradead.org/users/hch/dma-mapping:
arm64: fix warnings without CONFIG_IOMMU_DMA
Linus Torvalds [Sat, 3 Nov 2018 17:47:33 +0000 (10:47 -0700)]
Merge tag 'kbuild-v4.20-2' of git://git./linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- clean-up leftovers in Kconfig files
- remove stale oldnoconfig and silentoldconfig targets
- remove unneeded cc-fullversion and cc-name variables
- improve merge_config script to allow overriding option prefix
* tag 'kbuild-v4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: remove cc-name variable
kbuild: replace cc-name test with CONFIG_CC_IS_CLANG
merge_config.sh: Allow to define config prefix
kbuild: remove unused cc-fullversion variable
kconfig: remove silentoldconfig target
kconfig: remove oldnoconfig target
powerpc: PCI_MSI needs PCI
powerpc: remove CONFIG_MCA leftovers
powerpc: remove CONFIG_PCI_QSPAN
scsi: aha152x: rename the PCMCIA define
Linus Torvalds [Sat, 3 Nov 2018 17:45:55 +0000 (10:45 -0700)]
Merge tag '4.20-rc1-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes and updates from Steve French:
"Three small fixes (one Kerberos related, one for stable, and another
fixes an oops in xfstest 377), two helpful debugging improvements,
three patches for cifs directio and some minor cleanup"
* tag '4.20-rc1-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: fix signed/unsigned mismatch on aio_read patch
cifs: don't dereference smb_file_target before null check
CIFS: Add direct I/O functions to file_operations
CIFS: Add support for direct I/O write
CIFS: Add support for direct I/O read
smb3: missing defines and structs for reparse point handling
smb3: allow more detailed protocol info on open files for debugging
smb3: on kerberos mount if server doesn't specify auth type use krb5
smb3: add trace point for tree connection
cifs: fix spelling mistake, EACCESS -> EACCES
cifs: fix return value for cifs_listxattr
Linus Torvalds [Sat, 3 Nov 2018 17:35:52 +0000 (10:35 -0700)]
Merge branch 'work.afs' of git://git./linux/kernel/git/viro/vfs
Pull 9p fix from Al Viro:
"Regression fix for net/9p handling of iov_iter; broken by braino when
switching to iov_iter_is_kvec() et.al., spotted and fixed by Marc"
* 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
iov_iter: Fix 9p virtio breakage
Linus Torvalds [Sat, 3 Nov 2018 17:34:03 +0000 (10:34 -0700)]
Merge tag 'scsi-misc' of git://git./linux/kernel/git/jejb/scsi
Pull more SCSI updates from James Bottomley:
"This is a set of minor small (and safe changes) that didn't make the
initial pull request plus some bug fixes"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: mvsas: Remove set but not used variable 'id'
scsi: qla2xxx: Remove two arguments from qlafx00_error_entry()
scsi: qla2xxx: Make sure that qlafx00_ioctl_iosb_entry() initializes 'res'
scsi: qla2xxx: Remove a set-but-not-used variable
scsi: qla2xxx: Make qla2x00_sysfs_write_nvram() easier to analyze
scsi: qla2xxx: Declare local functions 'static'
scsi: qla2xxx: Improve several kernel-doc headers
scsi: qla2xxx: Modify fall-through annotations
scsi: 3w-sas: 3w-9xxx: Use unsigned char for cdb
scsi: mvsas: Use dma_pool_zalloc
scsi: target: Don't request modules that aren't even built
scsi: target: Set response length for REPORT TARGET PORT GROUPS
Linus Torvalds [Sat, 3 Nov 2018 17:21:43 +0000 (10:21 -0700)]
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
- more ocfs2 work
- various leftovers
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
memory_hotplug: cond_resched in __remove_pages
bfs: add sanity check at bfs_fill_super()
kernel/sysctl.c: remove duplicated include
kernel/kexec_file.c: remove some duplicated includes
mm, thp: consolidate THP gfp handling into alloc_hugepage_direct_gfpmask
ocfs2: fix clusters leak in ocfs2_defrag_extent()
ocfs2: dlmglue: clean up timestamp handling
ocfs2: don't put and assigning null to bh allocated outside
ocfs2: fix a misuse a of brelse after failing ocfs2_check_dir_entry
ocfs2: don't use iocb when EIOCBQUEUED returns
ocfs2: without quota support, avoid calling quota recovery
ocfs2: remove ocfs2_is_o2cb_active()
mm: thp: relax __GFP_THISNODE for MADV_HUGEPAGE mappings
include/linux/notifier.h: SRCU: fix ctags
mm: handle no memcg case in memcg_kmem_charge() properly
Michal Hocko [Fri, 2 Nov 2018 22:48:46 +0000 (15:48 -0700)]
memory_hotplug: cond_resched in __remove_pages
We have received a bug report that unbinding a large pmem (>1TB) can
result in a soft lockup:
NMI watchdog: BUG: soft lockup - CPU#9 stuck for 23s! [ndctl:4365]
[...]
Supported: Yes
CPU: 9 PID: 4365 Comm: ndctl Not tainted 4.12.14-94.40-default #1 SLE12-SP4
Hardware name: Intel Corporation S2600WFD/S2600WFD, BIOS SE5C620.86B.01.00.0833.
051120182255 05/11/2018
task:
ffff9cce7d4410c0 task.stack:
ffffbe9eb1bc4000
RIP: 0010:__put_page+0x62/0x80
Call Trace:
devm_memremap_pages_release+0x152/0x260
release_nodes+0x18d/0x1d0
device_release_driver_internal+0x160/0x210
unbind_store+0xb3/0xe0
kernfs_fop_write+0x102/0x180
__vfs_write+0x26/0x150
vfs_write+0xad/0x1a0
SyS_write+0x42/0x90
do_syscall_64+0x74/0x150
entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x7fd13166b3d0
It has been reported on an older (4.12) kernel but the current upstream
code doesn't cond_resched in the hot remove code at all and the given
range to remove might be really large. Fix the issue by calling
cond_resched once per memory section.
Link: http://lkml.kernel.org/r/20181031125840.23982-1-mhocko@kernel.org
Signed-off-by: Michal Hocko <mhocko@suse.com>
Acked-by: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Dan Williams <dan.j.williams@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Tetsuo Handa [Fri, 2 Nov 2018 22:48:42 +0000 (15:48 -0700)]
bfs: add sanity check at bfs_fill_super()
syzbot is reporting too large memory allocation at bfs_fill_super() [1].
Since file system image is corrupted such that bfs_sb->s_start == 0,
bfs_fill_super() is trying to allocate 8MB of continuous memory. Fix
this by adding a sanity check on bfs_sb->s_start, __GFP_NOWARN and
printf().
[1] https://syzkaller.appspot.com/bug?id=
16a87c236b951351374a84c8a32f40edbc034e96
Link: http://lkml.kernel.org/r/1525862104-3407-1-git-send-email-penguin-kernel@I-love.SAKURA.ne.jp
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reported-by: syzbot <syzbot+71c6b5d68e91149fc8a4@syzkaller.appspotmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Tigran Aivazian <aivazian.tigran@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Michael Schupikov [Fri, 2 Nov 2018 22:48:38 +0000 (15:48 -0700)]
kernel/sysctl.c: remove duplicated include
Remove one include of <linux/pipe_fs_i.h>.
No functional changes.
Link: http://lkml.kernel.org/r/20181004134223.17735-1-michael@schupikov.de
Signed-off-by: Michael Schupikov <michael@schupikov.de>
Reviewed-by: Richard Weinberger <richard@nod.at>
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>