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The code to lookup the scatter gather table entry assumed that it was
possible to use sg_virt() in order to lookup the DMA address in a mapped
scatter gather table. However, this assumption is incorrect as the DMA
mapping code may merge multiple entries into one. In that case, the DMA
address space may have e.g. two consecutive pages which is correctly
represented by the scatter gather list entry, however the virtual
addresses for these two pages may differ and the relationship cannot be
resolved anymore.
Avoid this problem entirely by working with the offset into the mapped
area instead of using virtual addresses. With that we only use the DMA
length and DMA address from the scatter gather list entries. The
underlying DMA/IOMMU code is therefore free to merge two entries into
one even if the virtual addresses space for the area is not continuous.
Fixes: 90db50755228 ("wifi: iwlwifi: use already mapped data when TXing an AMSDU")
Reported-by: Chris Bainbridge <chris.bainbridge@gmail.com>
Closes: https://lore.kernel.org/r/ZrNRoEbdkxkKFMBi@debian.local
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Tested-by: Chris Bainbridge <chris.bainbridge@gmail.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://patch.msgid.link/20240812110640.460514-1-benjamin@sipsolutions.net
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When disabling wifi mt7921_ipv6_addr_change() is called as a notifier.
At this point mvif->phy is already NULL so we cannot use it here.
Signed-off-by: Bert Karwatzki <spasswolf@web.de>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://patch.msgid.link/20240812104542.80760-1-spasswolf@web.de
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In RS485 mode, the RTS pin is driven high by hardware when the transmitter
is operating. This behaviour cannot be changed. This means that the driver
should claim that it supports SER_RS485_RTS_ON_SEND and not
SER_RS485_RTS_AFTER_SEND.
Otherwise, when configuring the port with the SER_RS485_RTS_ON_SEND, one
get the following warning:
kern.warning kernel: atmel_usart_serial atmel_usart_serial.2.auto:
ttyS1 (1): invalid RTS setting, using RTS_AFTER_SEND instead
which is contradictory with what's really happening.
Signed-off-by: Mathieu Othacehe <othacehe@gnu.org>
Cc: stable <stable@kernel.org>
Tested-by: Alexander Dahl <ada@thorsis.com>
Fixes: af47c491e3c7 ("serial: atmel: Fill in rs485_supported")
Link: https://lore.kernel.org/r/20240808060637.19886-1-othacehe@gnu.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit 6e20753da6bc ("tty: vt: conmakehash: cope with abs_srctree no
longer in env") included <linux/limits.h>, which invoked another
(wrong) patch that tried to address a build error on macOS.
According to the specification [1], the correct header to use PATH_MAX
is <limits.h>.
The minimal fix would be to replace <linux/limits.h> with <limits.h>.
However, the following commits seem questionable to me:
- 3bd85c6c97b2 ("tty: vt: conmakehash: Don't mention the full path of the input in output")
- 6e20753da6bc ("tty: vt: conmakehash: cope with abs_srctree no longer in env")
These commits made too many efforts to cope with a comment header in
drivers/tty/vt/consolemap_deftbl.c:
/*
* Do not edit this file; it was automatically generated by
*
* conmakehash drivers/tty/vt/cp437.uni > [this file]
*
*/
With this commit, the header part of the generate C file will be
simplified as follows:
/*
* Automatically generated file; Do not edit.
*/
BTW, another series of excessive efforts for a comment header can be
seen in the following:
- 5ef6dc08cfde ("lib/build_OID_registry: don't mention the full path of the script in output")
- 2fe29fe94563 ("lib/build_OID_registry: avoid non-destructive substitution for Perl < 5.13.2 compat")
[1]: https://pubs.opengroup.org/onlinepubs/009695399/basedefs/limits.h.html
Fixes: 6e20753da6bc ("tty: vt: conmakehash: cope with abs_srctree no longer in env")
Cc: stable <stable@kernel.org>
Reported-by: Daniel Gomez <da.gomez@samsung.com>
Closes: https://lore.kernel.org/all/20240807-macos-build-support-v1-11-4cd1ded85694@samsung.com/
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20240809160853.1269466-1-masahiroy@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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With "earlycon initcall_debug=1 loglevel=8" in bootargs, kernel
sometimes boot hang. It is because normal console still is not ready,
but runtime suspend is called, so early console putchar will hang
in waiting TRDE set in UARTSTAT.
The lpuart driver has auto suspend delay set to 3000ms, but during
uart_add_one_port, a child device serial ctrl will added and probed with
its pm runtime enabled(see serial_ctrl.c).
The runtime suspend call path is:
device_add
|-> bus_probe_device
|->device_initial_probe
|->__device_attach
|-> pm_runtime_get_sync(dev->parent);
|-> pm_request_idle(dev);
|-> pm_runtime_put(dev->parent);
So in the end, before normal console ready, the lpuart get runtime
suspended. And earlycon putchar will hang.
To address the issue, mark last busy just after pm_runtime_enable,
three seconds is long enough to switch from bootconsole to normal
console.
Fixes: 43543e6f539b ("tty: serial: fsl_lpuart: Add runtime pm support")
Cc: stable <stable@kernel.org>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20240808140325.580105-1-peng.fan@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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traversal
Current issue:
- The `target_list_lock` spinlock is held while iterating over
target_list() entries.
- Mid-loop, the lock is released to call __netpoll_cleanup(), then
reacquired.
- This practice compromises the protection provided by
`target_list_lock`.
Reason for current design:
1. __netpoll_cleanup() may sleep, incompatible with holding a spinlock.
2. target_list_lock must be a spinlock because write_msg() cannot sleep.
(See commit b5427c27173e ("[NET] netconsole: Support multiple logging
targets"))
Defer the cleanup of the netpoll structure to outside the
target_list_lock() protected area. Create another list
(target_cleanup_list) to hold the entries that need to be cleaned up,
and clean them using a mutex (target_cleanup_list_lock).
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The return flow in netconsole's dynamic functions is currently
inconsistent. This patch aims to streamline and standardize the process
by ensuring that the mutex is unlocked before returning the ret value.
Additionally, this update includes a minor functional change where
certain strnlen() operations are performed with the
dynamic_netconsole_mutex locked. This adjustment is not anticipated to
cause any issues, however, it is crucial to document this change for
clarity.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Update variable names from err to ret in cases where the variable may
return non-error values.
This change facilitates a forthcoming patch that relies on ret being
used consistently to handle return values, regardless of whether they
indicate an error or not.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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netconsole incorrectly mixes int and ssize_t types by using int for
return variables in functions that should return ssize_t.
This is fixed by updating the return variables to the appropriate
ssize_t type, ensuring consistency across the function definitions.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Add LJCA GPIO support for the Lunar Lake platform.
New HID taken from out of tree ivsc-driver git repo.
Link: https://github.com/intel/ivsc-driver/commit/47e7c4a446c8ea8c741ff5a32fa7b19f9e6fd47e
Cc: stable <stable@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240812095038.555837-1-hdegoede@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit bf20c69cf3cf9c6445c4925dd9a8a6ca1b78bfdf.
During tcpm_init() stage, if the VBUS is still present after
tcpm_reset_port(), then we assume that VBUS will off and goto safe0v
after a specific discharge time. Following a TCPM_VBUS_EVENT event if
VBUS reach to off state. TCPM_VBUS_EVENT event may be set during
PORT_RESET handling stage. If pd_events reset to 0 after TCPM_VBUS_EVENT
set, we will lost this VBUS event. Then the port state machine may stuck
at one state.
Before:
[ 2.570172] pending state change PORT_RESET -> PORT_RESET_WAIT_OFF @ 100 ms [rev1 NONE_AMS]
[ 2.570179] state change PORT_RESET -> PORT_RESET_WAIT_OFF [delayed 100 ms]
[ 2.570182] pending state change PORT_RESET_WAIT_OFF -> SNK_UNATTACHED @ 920 ms [rev1 NONE_AMS]
[ 3.490213] state change PORT_RESET_WAIT_OFF -> SNK_UNATTACHED [delayed 920 ms]
[ 3.490220] Start toggling
[ 3.546050] CC1: 0 -> 0, CC2: 0 -> 2 [state TOGGLING, polarity 0, connected]
[ 3.546057] state change TOGGLING -> SRC_ATTACH_WAIT [rev1 NONE_AMS]
After revert this patch, we can see VBUS off event and the port will goto
expected state.
[ 2.441992] pending state change PORT_RESET -> PORT_RESET_WAIT_OFF @ 100 ms [rev1 NONE_AMS]
[ 2.441999] state change PORT_RESET -> PORT_RESET_WAIT_OFF [delayed 100 ms]
[ 2.442002] pending state change PORT_RESET_WAIT_OFF -> SNK_UNATTACHED @ 920 ms [rev1 NONE_AMS]
[ 2.442122] VBUS off
[ 2.442125] state change PORT_RESET_WAIT_OFF -> SNK_UNATTACHED [rev1 NONE_AMS]
[ 2.442127] VBUS VSAFE0V
[ 2.442351] CC1: 0 -> 0, CC2: 0 -> 0 [state SNK_UNATTACHED, polarity 0, disconnected]
[ 2.442357] Start toggling
[ 2.491850] CC1: 0 -> 0, CC2: 0 -> 2 [state TOGGLING, polarity 0, connected]
[ 2.491858] state change TOGGLING -> SRC_ATTACH_WAIT [rev1 NONE_AMS]
[ 2.491863] pending state change SRC_ATTACH_WAIT -> SNK_TRY @ 200 ms [rev1 NONE_AMS]
[ 2.691905] state change SRC_ATTACH_WAIT -> SNK_TRY [delayed 200 ms]
Fixes: bf20c69cf3cf ("usb: typec: tcpm: clear pd_event queue in PORT_RESET")
Cc: stable@vger.kernel.org
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240809112901.535072-1-xu.yang_2@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The command execution routines need to return the amount of
data that was transferred when succesful.
This fixes an issue where the alternate modes and the power
delivery capabilities are not getting registered.
Fixes: 5e9c1662a89b ("usb: typec: ucsi: rework command execution functions")
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240809150343.286942-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Stall handling is managed in the 'process_*' functions, which are called
right before the 'goto' stall handling code snippet. Thus, there should
be a return after the 'process_*' functions. Otherwise, the stall code may
run twice.
Fixes: 1b349f214ac7 ("usb: xhci: add 'goto' for halted endpoint check in handle_tx_event()")
Reported-by: Michal Pecio <michal.pecio@gmail.com>
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240809124408.505786-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If xhci_mem_init() fails, it calls into xhci_mem_cleanup() to mop
up the damage. If it fails early enough, before xhci->interrupters
is allocated but after xhci->max_interrupters has been set, which
happens in most (all?) cases, things get uglier, as xhci_mem_cleanup()
unconditionally derefences xhci->interrupters. With prejudice.
Gate the interrupt freeing loop with a check on xhci->interrupters
being non-NULL.
Found while debugging a DMA allocation issue that led the XHCI driver
on this exact path.
Fixes: c99b38c41234 ("xhci: add support to allocate several interrupters")
Cc: Mathias Nyman <mathias.nyman@linux.intel.com>
Cc: Wesley Cheng <quic_wcheng@quicinc.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Cc: stable@vger.kernel.org # 6.8+
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240809124408.505786-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-linus
thunderbolt: Fixes for v6.11-rc3
This includes following USB4/Thunderbolt fixes for v6.11-rc3:
- Fix memory leak in debugfs sideband register access
- Fix hang when host router NVM is upgraded and there is another host
connected.
Both have been in linux-next with no reported issues.
* tag 'thunderbolt-for-v6.11-rc3' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt:
thunderbolt: Mark XDomain as unplugged when router is removed
thunderbolt: Fix memory leaks in {port|retimer}_sb_regs_write()
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There is a small window in ssam_serial_hub_probe() where the controller
is initialized but has not been started yet. Specifically, between
ssam_controller_init() and ssam_controller_start(). Any failure in this
window, for example caused by a failure of serdev_device_open(),
currently results in an incorrect warning being emitted.
In particular, any failure in this window results in the controller
being destroyed via ssam_controller_destroy(). This function checks the
state of the controller and, in an attempt to validate that the
controller has been cleanly shut down before we try and deallocate any
resources, emits a warning if that state is not SSAM_CONTROLLER_STOPPED.
However, since we have only just initialized the controller and have not
yet started it, its state is SSAM_CONTROLLER_INITIALIZED. Note that this
is the only point at which the controller has this state, as it will
change after we start the controller with ssam_controller_start() and
never revert back. Further, at this point no communication has taken
place and the sender and receiver threads have not been started yet (and
we may not even have an open serdev device either).
Therefore, it is perfectly safe to call ssam_controller_destroy() with a
state of SSAM_CONTROLLER_INITIALIZED. This, however, means that the
warning currently being emitted is incorrect. Fix it by extending the
check.
Fixes: c167b9c7e3d6 ("platform/surface: Add Surface Aggregator subsystem")
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20240811124645.246016-1-luzmaximilian@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Triggered by a kref decrement, destroy_workqueue() may be called from
within a work item for destroying its own workqueue. This illegal
situation is averted by adding a module-global workqueue for exclusive
use of the offending work item. Other work items continue to be queued
on per-device workqueues to ensure performance.
Reported-by: syzbot+91dbdfecdd3287734d8e@syzkaller.appspotmail.com
Cc: stable <stable@kernel.org>
Closes: https://lore.kernel.org/lkml/0000000000000ab25a061e1dfe9f@google.com/
Signed-off-by: Eli Billauer <eli.billauer@gmail.com>
Link: https://lore.kernel.org/r/20240801121126.60183-1-eli.billauer@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add SAM client device nodes for the Surface Laptop Studio 6 (SL6). The
SL6 is similar to the SL5, with the typical battery/AC, platform
profile, and HID nodes. It also has support for the newly supported fan
interface.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20240811131948.261806-6-luzmaximilian@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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for Surface Laptop 5
The EC on the Surface Laptop 5 exposes the fan interface. With the
recently introduced driver for it, we can now also enable it here. In
addition, also enable the thermal sensor interface.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20240811131948.261806-5-luzmaximilian@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Add SAM client device nodes for the Surface Laptop Studio 2 (SLS2). The
SLS2 is quite similar to the SLS1, but it does not provide the touchpad
as a SAM-HID device. Therefore, add a new node group for the SLS2 and
update the comments accordingly. In addition, it uses the new fan
control interface.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20240811131948.261806-4-luzmaximilian@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Add SAM client device nodes for the Surface Laptop Go 3. It seems to use
the same SAM client devices as the Surface Laptop Go 1 and 2, so re-use
their node group.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20240811131948.261806-3-luzmaximilian@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Add SAM client device nodes for the Surface Pro 10. It seems to use the
same SAM client devices as the Surface Pro 9, so re-use its node group.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20240811131948.261806-2-luzmaximilian@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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The new ROG Ally X functions the same as the previus model so we can use
the same method to ensure the MCU USB devices wake and reconnect
correctly.
Given that two devices marks the start of a trend, this patch also adds
a quirk table to make future additions easier if the MCU is the same.
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240805234603.38736-1-luke@ljones.dev
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Add Yanteng Si as MODULE_AUTHOR of Loongson DWMAC PCI driver.
Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Yinggang Gu <guyinggang@loongson.cn>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The new generation Loongson LS2K2000 SoC and LS7A2000 chipset are
equipped with the network controllers called Loongson GNET. It's the
single and multi DMA-channels Loongson GMAC but with a PHY attached.
Here is the summary of the DW GMAC features the controller has:
DW GMAC IP-core: v3.73a
Speeds: 10/100/1000Mbps
Duplex: Full (both versions), Half (LS2K2000 GNET only)
DMA-descriptors type: enhanced
L3/L4 filters availability: Y
VLAN hash table filter: Y
PHY-interface: GMII (PHY is integrated into the chips)
Remote Wake-up support: Y
Mac Management Counters (MMC): Y
Number of additional MAC addresses: 5
MAC Hash-based filter: Y
Hash Table Size: 256
AV feature: Y (LS2K2000 GNET only)
DMA channels: 8 (LS2K2000 GNET), 1 (LS7A2000 GNET)
Let's update the Loongson DWMAC driver to supporting the new Loongson
GNET controller. The change is mainly trivial: the driver shall be
bound to the PCIe device with DID 0x7a13, and the device-specific
setup() method shall be called for it. The only peculiarity concerns
the integrated PHY speed change procedure. The PHY has a weird problem
with switching from the low speeds to 1000Mbps mode. The speedup
procedure requires the PHY-link re-negotiation. So the suggested
change provide the device-specific fix_mac_speed() method to overcome
the problem.
Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Yinggang Gu <guyinggang@loongson.cn>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The Loongson DWMAC driver currently supports the Loongson GMAC
devices (based on the DW GMAC v3.50a/v3.73a IP-core) installed to the
LS2K1000 SoC and LS7A1000 chipset. But recently a new generation
LS2K2000 SoC was released with the new version of the Loongson GMAC
synthesized in. The new controller is based on the DW GMAC v3.73a
IP-core with the AV-feature enabled, which implies the multi
DMA-channels support. The multi DMA-channels feature has the next
vendor-specific peculiarities:
1. Split up Tx and Rx DMA IRQ status/mask bits:
Name Tx Rx
DMA_INTR_ENA_NIE = 0x00040000 | 0x00020000;
DMA_INTR_ENA_AIE = 0x00010000 | 0x00008000;
DMA_STATUS_NIS = 0x00040000 | 0x00020000;
DMA_STATUS_AIS = 0x00010000 | 0x00008000;
DMA_STATUS_FBI = 0x00002000 | 0x00001000;
2. Custom Synopsys ID hardwired into the GMAC_VERSION.SNPSVER register
field. It's 0x10 while it should have been 0x37 in accordance with
the actual DW GMAC IP-core version.
3. There are eight DMA-channels available meanwhile the Synopsys DW
GMAC IP-core supports up to three DMA-channels.
4. It's possible to have each DMA-channel IRQ independently delivered.
The MSI IRQs must be utilized for that.
Thus in order to have the multi-channels Loongson GMAC controllers
supported let's modify the Loongson DWMAC driver in accordance with
all the peculiarities described above:
1. Create the multi-channels Loongson GMAC-specific
stmmac_dma_ops::dma_interrupt()
stmmac_dma_ops::init_chan()
callbacks due to the non-standard DMA IRQ CSR flags layout.
2. Create the Loongson DWMAC-specific platform setup() method
which gets to initialize the DMA-ops with the dwmac1000_dma_ops
instance and overrides the callbacks described in 1. The method also
overrides the custom Synopsys ID with the real one in order to have
the rest of the HW-specific callbacks correctly detected by the driver
core.
3. Make sure the platform setup() method enables the flow control and
duplex modes supported by the controller.
Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Yinggang Gu <guyinggang@loongson.cn>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The Loongson GMAC driver currently supports the network controllers
installed on the LS2K1000 SoC and LS7A1000 chipset, for which the GMAC
devices are required to be defined in the platform device tree source.
But Loongson machines may have UEFI (implies ACPI) or PMON/UBOOT
(implies FDT) as the system bootloaders. In order to have both system
configurations support let's extend the driver functionality with the
case of having the Loongson GMAC probed on the PCI bus with no device
tree node defined for it. That requires to make the device DT-node
optional, to rely on the IRQ line detected by the PCI core and to
have the MDIO bus ID calculated using the PCIe Domain+BDF numbers.
In order to have the device probe() and remove() methods less
complicated let's move the DT- and ACPI-specific code to the
respective sub-functions.
Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Yinggang Gu <guyinggang@loongson.cn>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The Loongson GNET device support is about to be added in one of the
next commits. As another preparation for that introduce the PCI device
info data with a setup() callback performing the device-specific
platform data initializations. Currently it is utilized for the
already supported Loongson GMAC device only.
Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Yinggang Gu <guyinggang@loongson.cn>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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PHY-interface of the Loongson GMAC device is RGMII with no internal
delays added to the data lines signal. So to comply with that let's
pre-initialize the platform-data field with the respective enum
constant.
Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Yinggang Gu <guyinggang@loongson.cn>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Reference and PTP clocks rate of the Loongson GMAC devices is 125MHz.
(So is in the GNET devices which support is about to be added.) Set
the respective plat_stmmacenet_data field up in accordance with that
so to have the coalesce command and timestamping work correctly.
Fixes: 30bba69d7db4 ("stmmac: pci: Add dwmac support for Loongson")
Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Yinggang Gu <guyinggang@loongson.cn>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Loongson delivers two types of the network devices: Loongson GMAC and
Loongson GNET in the framework of four SOC/Chipsets revisions:
Chip Network PCI Dev ID Synopys Version DMA-channel
LS2K1000 SOC GMAC 0x7a03 v3.50a/v3.73a 1
LS7A1000 Chipset GMAC 0x7a03 v3.50a/v3.73a 1
LS2K2000 SOC GMAC 0x7a03 v3.73a 8
LS2K2000 SOC GNET 0x7a13 v3.73a 8
LS7A2000 Chipset GNET 0x7a13 v3.73a 1
The driver currently supports the chips with the Loongson GMAC network
device synthesized with a single DMA-channel available. As a
preparation before adding the Loongson GNET support detach the
Loongson GMAC-specific platform data initializations to the
loongson_gmac_data() method and preserve the common settings in the
loongson_default_data().
While at it drop the return value statement from the
loongson_default_data() method as redundant.
Note there is no intermediate vendor-specific PCS in between the MAC
and PHY on Loongson GMAC and GNET. So the plat->mac_interface field
can be freely initialized with the PHY_INTERFACE_MODE_NA value.
Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Yinggang Gu <guyinggang@loongson.cn>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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identification
For the readability sake convert the hard-coded Loongson GMAC PCI ID to
the respective macro and use the PCI_DEVICE_DATA() macro-function to
create the pci_device_id array entry. The later change will be
specifically useful in order to assign the device-specific data for the
currently supported device and for about to be added Loongson GNET
controller.
Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Yinggang Gu <guyinggang@loongson.cn>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The Loongson GMAC driver currently doesn't utilize the MSI IRQs, but
retrieves the IRQs specified in the device DT-node. Let's drop the
direct pci_enable_msi()/pci_disable_msi() calls then as redundant
Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Yinggang Gu <guyinggang@loongson.cn>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The plat_stmmacenet_data::multicast_filter_bins field is twice
initialized in the loongson_default_data() method. Drop the redundant
initialization, but for the readability sake keep the filters init
statements defined in the same place of the method.
Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Yinggang Gu <guyinggang@loongson.cn>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Export the DW GMAC DMA-ops descriptor so one could be available in
the low-level platform drivers. It will be utilized to override some
callbacks in order to handle the LS2K2000 GNET device specifics. The
GNET controller support is being added in one of the following up
commits.
Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Yinggang Gu <guyinggang@loongson.cn>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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DW GMAC v3.73 can be equipped with the Audio Video (AV) feature which
enables transmission of time-sensitive traffic over bridged local area
networks (DWC Ethernet QoS Product). In that case there can be up to two
additional DMA-channels available with no Tx COE support (unless there is
vendor-specific IP-core alterations). Each channel is implemented as a
separate Control and Status register (CSR) for managing the transmit and
receive functions, descriptor handling, and interrupt handling.
Add the multi-channels DW GMAC controllers support just by making sure the
already implemented DMA-configs are performed on the per-channel basis.
Note the only currently known instance of the multi-channel DW GMAC
IP-core is the LS2K2000 GNET controller, which has been released with the
vendor-specific feature extension of having eight DMA-channels. The device
support will be added in one of the following up commits.
Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Yinggang Gu <guyinggang@loongson.cn>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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ATDS (Alternate Descriptor Size) is a part of the DMA Bus Mode configs
(together with PBL, ALL, EME, etc) of the DW GMAC controllers. Seeing
it's not changed at runtime but is activated as long as the IP-core
has it supported (at least due to the Type 2 Full Checksum Offload
Engine feature), move the respective parameter from the
stmmac_dma_ops::init() callback argument to the stmmac_dma_cfg
structure, which already have the rest of the DMA-related configs
defined.
Besides the being added in the next commit DW GMAC multi-channels
support will require to add the stmmac_dma_ops::init_chan() callback
and have the ATDS flag set/cleared for each channel in there. Having
the atds-flag in the stmmac_dma_cfg structure will make the parameter
accessible from stmmac_dma_ops::init_chan() callback too.
Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Yinggang Gu <guyinggang@loongson.cn>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Commit d88cabfd9abc ("nfp: Avoid -Wflex-array-member-not-at-end
warnings") introduced tagged `struct nfp_dump_tl_hdr`. We want
to ensure that when new members need to be added to the flexible
structure, they are always included within this tagged struct.
So, we use `static_assert()` to ensure that the memory layout for
both the flexible structure and the tagged struct is the same after
any changes.
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/ZrVB43Hen0H5WQFP@cute
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In macb_suspend(), idev->ifa_list is fetched with rcu_access_pointer()
and later the pointer is dereferenced as ifa->ifa_local.
So, idev->ifa_list must be fetched with rcu_dereference().
Fixes: 0cb8de39a776 ("net: macb: Add ARP support to WOL")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20240808040021.6971-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit fc4444941140 ("scsi: mpi3mr: HDB allocation and posting for hardware
and firmware buffers") added mpi3mr_alloc_diag_bufs() which calls
dma_alloc_coherent() to allocate the trace buffer and the firmware
buffer. mpi3mr_alloc_diag_bufs() decides the buffer sizes from the driver
configuration. In my environment, the sizes are 8MB. With the sizes,
dma_alloc_coherent() fails and report this WARNING:
WARNING: CPU: 4 PID: 438 at mm/page_alloc.c:4676 __alloc_pages_noprof+0x52f/0x640
The WARNING indicates that the order of the allocation size is larger than
MAX_PAGE_ORDER. After this failure, mpi3mr_alloc_diag_bufs() reduces the
buffer sizes and retries dma_alloc_coherent(). In the end, the buffer
allocations succeed with 4MB size in my environment, which corresponds to
MAX_PAGE_ORDER=10. Though the allocations succeed, the WARNING message is
misleading and should be avoided.
To avoid the WARNING, check the orders of the buffer allocation sizes
before calling dma_alloc_coherent(). If the orders are larger than
MAX_PAGE_ORDER, fall back to the retry path.
Fixes: fc4444941140 ("scsi: mpi3mr: HDB allocation and posting for hardware and firmware buffers")
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Link: https://lore.kernel.org/r/20240810042701.661841-3-shinichiro.kawasaki@wdc.com
Acked-by: Sathya Prakash Veerichetty <sathya.prakash@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Implement netdev_stat_ops and export the basic per-queue stats.
This interface expect users to set the values that are used
either to zero or to some other preserved value (they are 0xff by
default). So here we export bytes/packets/drops from tx and rx_stats
plus set some of the values that are exposed by queue stats
to zero.
$ cd tools/testing/selftests/drivers/net && ./stats.py
[...]
Totals: pass:4 fail:0 xfail:0 xpass:0 skip:0 error:0
Reviewed-by: Joe Damato <jdamato@fastly.com>
Signed-off-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20240810054322.2766421-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Count packets, bytes and drop on the datapath, and report
to the user. Since queues are completely freed when the
device is down - accumulate the stats in the main netdev struct.
This means that per-queue stats will only report values since
last reset (per qstat recommendation).
Reviewed-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20240810054322.2766421-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit fc4444941140 ("scsi: mpi3mr: HDB allocation and posting for hardware
and firmware buffers") added the spinlock trigger_lock to the struct
mpi3mr_ioc. However, spin_lock_init() call was not added for it, then the
lock does not work as expected. Also, the kernel reports the message below
when lockdep is enabled.
INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
To fix the issue and to avoid the INFO message, add the missing
spin_lock_init() call.
Fixes: fc4444941140 ("scsi: mpi3mr: HDB allocation and posting for hardware and firmware buffers")
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Link: https://lore.kernel.org/r/20240810042701.661841-2-shinichiro.kawasaki@wdc.com
Acked-by: Sathya Prakash Veerichetty <sathya.prakash@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Extent Space Efficient (ESE) or thin provisioned volumes need to be
formatted on demand during usual IO processing.
The dasd_ese_needs_format function checks for error codes that signal
the non existence of a proper track format.
The check for incorrect length is to imprecise since other error cases
leading to transport of insufficient data also have this flag set.
This might lead to data corruption in certain error cases for example
during a storage server warmstart.
Fix by removing the check for incorrect length and replacing by
explicitly checking for invalid track format in transport mode.
Also remove the check for file protected since this is not a valid
ESE handling case.
Cc: stable@vger.kernel.org # 5.3+
Fixes: 5e2b17e712cf ("s390/dasd: Add dynamic formatting support for ESE volumes")
Reviewed-by: Jan Hoeppner <hoeppner@linux.ibm.com>
Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Link: https://lore.kernel.org/r/20240812125733.126431-3-sth@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This reverts commit bc792884b76f ("s390/dasd: Establish DMA alignment").
Quoting the original commit:
linux-next commit bf8d08532bc1 ("iomap: add support for dma aligned
direct-io") changes the alignment requirement to come from the block
device rather than the block size, and the default alignment
requirement is 512-byte boundaries. Since DASD I/O has page
alignments for IDAW/TIDAW requests, let's override this value to
restore the expected behavior.
I mentioned TIDAW, but that was wrong. TIDAWs have no distinct alignment
requirement (per p. 15-70 of POPS SA22-7832-13):
Unless otherwise specified, TIDAWs may designate
a block of main storage on any boundary and length
up to 4K bytes, provided the specified block does not
cross a 4 K-byte boundary.
IDAWs do, but the original commit neglected that while ECKD DASD are
typically formatted in 4096-byte blocks, they don't HAVE to be. Formatting
an ECKD volume with smaller blocks is permitted (dasdfmt -b xxx), and the
problematic commit enforces alignment properties to such a device that
will result in errors, such as:
[test@host ~]# lsdasd -l a367 | grep blksz
blksz: 512
[test@host ~]# mkfs.xfs -f /dev/disk/by-path/ccw-0.0.a367-part1
meta-data=/dev/dasdc1 isize=512 agcount=4, agsize=230075 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=1, sparse=1, rmapbt=1
= reflink=1 bigtime=1 inobtcount=1 nrext64=1
data = bsize=4096 blocks=920299, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0, ftype=1
log =internal log bsize=4096 blocks=16384, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
error reading existing superblock: Invalid argument
mkfs.xfs: pwrite failed: Invalid argument
libxfs_bwrite: write failed on (unknown) bno 0x70565c/0x100, err=22
mkfs.xfs: Releasing dirty buffer to free list!
found dirty buffer (bulk) on free list!
mkfs.xfs: pwrite failed: Invalid argument
...snipped...
The original commit omitted the FBA discipline for just this reason,
but the formatted block size of the other disciplines was overlooked.
The solution to all of this is to revert to the original behavior,
such that the block size can be respected. There were two commits [1]
that moved this code in the interim, so a straight git-revert is not
possible, but the change is straightforward.
But what of the original problem? That was manifested with a direct-io
QEMU guest, where QEMU itself was changed a month or two later with
commit 25474d90aa ("block: use the request length for iov alignment")
such that the blamed kernel commit is unnecessary.
[1] commit 0127a47f58c6 ("dasd: move queue setup to common code")
commit fde07a4d74e3 ("dasd: use the atomic queue limits API")
Fixes: bc792884b76f ("s390/dasd: Establish DMA alignment")
Reviewed-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Link: https://lore.kernel.org/r/20240812125733.126431-2-sth@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Ilpo Järvinen:
"While the ideapad concurrency fix itself is relatively
straightforward, it required moving code around and adding a bit of
supporting infrastructure to have a clean inter-driver interface. This
shows up in the diffstats.
- ideapad-laptop / lenovo-ymc: Protect VPC calls with a mutex
- amd/pmf: Query HPD data also when ALS is disabled"
* tag 'platform-drivers-x86-v6.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: ideapad-laptop: add a mutex to synchronize VPC commands
platform/x86: ideapad-laptop: move ymc_trigger_ec from lenovo-ymc
platform/x86: ideapad-laptop: introduce a generic notification chain
platform/x86/amd/pmf: Fix to Update HPD Data When ALS is Disabled
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When enabling UBSAN on Raspberry Pi 5, we get the following warning:
[ 387.894977] UBSAN: array-index-out-of-bounds in drivers/gpu/drm/v3d/v3d_sched.c:320:3
[ 387.903868] index 7 is out of range for type '__u32 [7]'
[ 387.909692] CPU: 0 PID: 1207 Comm: kworker/u16:2 Tainted: G WC 6.10.3-v8-16k-numa #151
[ 387.919166] Hardware name: Raspberry Pi 5 Model B Rev 1.0 (DT)
[ 387.925961] Workqueue: v3d_csd drm_sched_run_job_work [gpu_sched]
[ 387.932525] Call trace:
[ 387.935296] dump_backtrace+0x170/0x1b8
[ 387.939403] show_stack+0x20/0x38
[ 387.942907] dump_stack_lvl+0x90/0xd0
[ 387.946785] dump_stack+0x18/0x28
[ 387.950301] __ubsan_handle_out_of_bounds+0x98/0xd0
[ 387.955383] v3d_csd_job_run+0x3a8/0x438 [v3d]
[ 387.960707] drm_sched_run_job_work+0x520/0x6d0 [gpu_sched]
[ 387.966862] process_one_work+0x62c/0xb48
[ 387.971296] worker_thread+0x468/0x5b0
[ 387.975317] kthread+0x1c4/0x1e0
[ 387.978818] ret_from_fork+0x10/0x20
[ 387.983014] ---[ end trace ]---
This happens because the UAPI provides only seven configuration
registers and we are reading the eighth position of this u32 array.
Therefore, fix the out-of-bounds read in `v3d_csd_job_run()` by
accessing only seven positions on the '__u32 [7]' array. The eighth
register exists indeed on V3D 7.1, but it isn't currently used. That
being so, let's guarantee that it remains unused and add a note that it
could be set in a future patch.
Fixes: 0ad5bc1ce463 ("drm/v3d: fix up register addresses for V3D 7.x")
Reported-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240809152001.668314-1-mcanal@igalia.com
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marvell/otx2 and mvpp2 do not support setting different
keys for different RSS contexts. Contexts have separate
indirection tables but key is shared with all other contexts.
This is likely fine, indirection table is the most important
piece.
Don't report the key-related parameters from such drivers.
This prevents driver-errors, e.g. otx2 always writes
the main key, even when user asks to change per-context key.
The second reason is that without this change tracking
the keys by the core gets complicated. Even if the driver
correctly reject setting key with rss_context != 0,
change of the main key would have to be reflected in
the XArray for all additional contexts.
Since the additional contexts don't have their own keys
not including the attributes (in Netlink speak) seems
intuitive. ethtool CLI seems to deal with it just fine.
Having to set the flag in majority of the drivers is
a bit tedious but not reporting the key is a safer
default.
Reviewed-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove .cap_rss_ctx_supported from drivers which moved to the new API.
This makes it easy to grep for drivers which still need to be converted.
Reviewed-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit 24ac7e544081 ("ethtool: use the rss context XArray
in ring deactivation safety-check") core will prevent queues from
being disabled while being used by additional RSS contexts.
The safety check is no longer necessary, and core will do a more
accurate job of only rejecting changes which can actually break
things.
Reviewed-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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