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Currently the SOB reset was in fence release function which happens
only at the CS wraparound during the CS allocation time.
In order to support the new encapsulated signals reservation feature,
we need to move the SOB reset to an earlier phase because this SOB
could reach it's max value very fast using the signal reservation.
Signed-off-by: farah kassabri <fkassabri@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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When user sends multiple CSs, waiting for each CS is not efficient
as it involves many user-kernel context switches.
In order to address this issue we add support to "wait on multiple CSs"
using a new uAPI which can wait on maximum of 32 CSs. The new uAPI is
defined using a new flag - WAIT_FOR_MULTI_CS - in the wait_for_cs IOCTL.
The input parameters for this uAPI will be:
@seq: user pointer to an array of up to 32 CS's sequence numbers.
@seq_array_len: length of sequence array.
@timeout_us: timeout for waiting for any CS.
The output paramateres for this API will be:
@status: multi CS ioctl completion status (dedicated status was added as
well).
@flags: bitmap of output flags of the CS.
@cs_completion_map: bitmap for multi CS, if CS sequence that was placed
in index N in input seq array has completed- the N-th
bit in cs_completion_map will be 1, otherwise it will
be 0.
@timestamp_nsec: timestamp of the first completed CS
Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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To add proper support for wait-for-multi-CS, locking the CS lock
for each CS fence in the list is not efficient.
Instead, this patch add support to lock the CS lock once to get all
required fences.
Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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The driver quietly handles memory mappings that were not freed so no
need to print a warning about that when user closes the FD.
Accordingly, revise the text that is printed in case the device is
still in use after the user process closed the FD.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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Need to initialize f/w Linux loaded indication to false to prevent
wrong communication with the f/w.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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Add two new fields regarding interrupts communication between driver
and f/w.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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There is a scenario where an ongoing soft reset would race with an
ongoing heartbeat routine, eventually causing heartbeat to fail and
thus to escalate into a hard reset.
With this fix, soft-reset procedure will disable heartbeat CPU messages
and flush the (ongoing) current one before continuing with reset code.
Signed-off-by: Koby Elbaz <kelbaz@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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Print the SM name instead of index because it is more informational for
the user to know the SM name instead of id when a SM interrupt occurs.
In addition, the index that is printed is of the SOB group, not
a specific SOB.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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State dump is relevant to the user in case of Sync Manager error, so
we need to trigger it in that case as well.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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This is required from any device that is capable to perform DMA.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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Each ASIC can have a different offset to add to a host dma address,
to enable the ASIC to access that host memory.
The usage for this can be common code so add this to the asic
property structure.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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Recently, the size parameter in userptr structure was change to u64.
As a result, we need to change the type of the local range_size
in device_va_to_pa() to u64 to avoid overflow.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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If hard reset fails after the call to hw_fini and before loading the
linux image to the device, a subsequent call to hw_fini should
communicate via COMMS (or MSG_TO_CPU regs for old FW versions).
However, the driver still tries in this case to communicate via the GIC,
and thus no hard reset is actually done.
To avoid that, the patch clears the linux_loaded flag after every call
to hw_fini.
Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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In case of host-resident MMU, when the page tables pool is destroyed,
its pointer is not nullified correctly.
As a result, on a device fini which happens after a failing reset, the
already destroyed pool is accessed, which leads to a kernel panic.
The patch fixes the setting of the pool pointer to NULL.
Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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This function will be used for more mmap operations than just
mmaping CBs.
Signed-off-by: Zvika Yehudai <zyehudai@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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missing mutex unlock once driver is giving up killing user processes.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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At the first stage, only gaudi core dump shall be implemented, not
including the status registers.
Signed-off-by: Yuri Nudelman <ynudelman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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With the infrastructure in place, monitors and fences dump shall be
implemented.
Signed-off-by: Yuri Nudelman <ynudelman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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To improve the user's ability to debug the case where a workload that
is part of executing training/inference of a topology is getting stuck,
we need to add a 'core dump' each time a CS times-out. The 'core dump'
shall contain all relevant Sync Manager information and corresponding
fence values.
The most recent dumps shall be accessible via debugfs, under
'state_dump' node. Reading from the node will provide the oldest dump
available. Writing an integer value X will discard X dumps, starting
with the oldest one, i.e. subsequent read will now return newer
dumps.
Signed-off-by: Yuri Nudelman <ynudelman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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The previous function we used, find_get_pid(), wasn't good in case
the user process was run inside docker.
As a result, we didn't had the PID and we couldn't kill the user
process in case the device got stuck and we needed to reset the
device.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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Sometimes we may need to disable optimization of using huge pages
in our memory management code. Add such a flag to the function that
creates the list of physical pages that would be programmed into the
device MMU.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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Increase the size variable in the userptr structure to 64-bit. That
variable describes the size of the memory allocation of the user that
is now being mapped into the device. The mapping can be larger than
4GB, so we need to support it.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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Same as we handle it in the regular wait for CS, we need to handle the
case where the waiting for user interrupt was interrupted. In that case,
we need to return correct error code to the user.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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In device fini there was missing a call to release all pending user
interrupts. That can cause a process to be stuck inside the driver's
IOCTL of wait for interrupts, in case the device is removed or
simulator is killed at the same time.
In addition, also call to remove inactive codec job was missing.
Moreover, to prevent such errors in the future (where code is added
to reset path but not to device fini), we moved some common parts
to two dedicated functions:
cleanup_resources
take_release_locks
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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In case user interrupt arrived but the completion value is less than
the target value, we want to retry the wait.
However, before the retry we must reinitialize the completion object,
under spin-lock, so the wait function won't exit immediately because
the completion object is already completed (from the previous
interrupt).
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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We don't use typedefs so the enum name shouldn't end with _t
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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Update recent changes made in firmware header files, which contain
a minor COMMS protocol change and new error status definitions.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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A new user flag is required to make memory map hint mandatory, in
contrast to the current situation where it is best effort.
This is due to the requirement to map certain data to specific
pre-determined device virtual address ranges.
Signed-off-by: Yuri Nudelman <ynudelman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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Add support for pre-determined driver-reserved device VA address ranges.
This is needed for future ASIC support where some contents must be
mapped into these pre-determined ranges because the H/W will be
configured using these ranges.
In case the user asks to map a VA without a hint address, avoid
allocating the device VA from the reserved ranges.
Make sure the validation checks of the hint address take into account
situation where the DRAM page size is not pow of 2.
Signed-off-by: farah kassabri <fkassabri@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Convert controller drivers to generic_handle_domain_irq() (Marc
Zyngier)
- Simplify VPD (Vital Product Data) access and search (Heiner
Kallweit)
- Update bnx2, bnx2x, bnxt, cxgb4, cxlflash, sfc, tg3 drivers to use
simplified VPD interfaces (Heiner Kallweit)
- Run Max Payload Size quirks before configuring MPS; work around
ASMedia ASM1062 SATA MPS issue (Marek Behún)
Resource management:
- Refactor pci_ioremap_bar() and pci_ioremap_wc_bar() (Krzysztof
Wilczyński)
- Optimize pci_resource_len() to reduce kernel size (Zhen Lei)
PCI device hotplug:
- Fix a double unmap in ibmphp (Vishal Aslot)
PCIe port driver:
- Enable Bandwidth Notification only if port supports it (Stuart
Hayes)
Sysfs/proc/syscalls:
- Add schedule point in proc_bus_pci_read() (Krzysztof Wilczyński)
- Return ~0 data on pciconfig_read() CAP_SYS_ADMIN failure (Krzysztof
Wilczyński)
- Return "int" from pciconfig_read() syscall (Krzysztof Wilczyński)
Virtualization:
- Extend "pci=noats" to also turn on Translation Blocking to protect
against some DMA attacks (Alex Williamson)
- Add sysfs mechanism to control the type of reset used between
device assignments to VMs (Amey Narkhede)
- Add support for ACPI _RST reset method (Shanker Donthineni)
- Add ACS quirks for Cavium multi-function devices (George Cherian)
- Add ACS quirks for NXP LX2xx0 and LX2xx2 platforms (Wasim Khan)
- Allow HiSilicon AMBA devices that appear as fake PCI devices to use
PASID and SVA (Zhangfei Gao)
Endpoint framework:
- Add support for SR-IOV Endpoint devices (Kishon Vijay Abraham I)
- Zero-initialize endpoint test tool parameters so we don't use
random parameters (Shunyong Yang)
APM X-Gene PCIe controller driver:
- Remove redundant dev_err() call in xgene_msi_probe() (ErKun Yang)
Broadcom iProc PCIe controller driver:
- Don't fail devm_pci_alloc_host_bridge() on missing 'ranges' because
it's optional on BCMA devices (Rob Herring)
- Fix BCMA probe resource handling (Rob Herring)
Cadence PCIe driver:
- Work around J7200 Link training electrical issue by increasing
delays in LTSSM (Nadeem Athani)
Intel IXP4xx PCI controller driver:
- Depend on ARCH_IXP4XX to avoid useless config questions (Geert
Uytterhoeven)
Intel Keembay PCIe controller driver:
- Add Intel Keem Bay PCIe controller (Srikanth Thokala)
Marvell Aardvark PCIe controller driver:
- Work around config space completion handling issues (Evan Wang)
- Increase timeout for config access completions (Pali Rohár)
- Emulate CRS Software Visibility bit (Pali Rohár)
- Configure resources from DT 'ranges' property to fix I/O space
access (Pali Rohár)
- Serialize INTx mask/unmask (Pali Rohár)
MediaTek PCIe controller driver:
- Add MT7629 support in DT (Chuanjia Liu)
- Fix an MSI issue (Chuanjia Liu)
- Get syscon regmap ("mediatek,generic-pciecfg"), IRQ number
("pci_irq"), PCI domain ("linux,pci-domain") from DT properties if
present (Chuanjia Liu)
Microsoft Hyper-V host bridge driver:
- Add ARM64 support (Boqun Feng)
- Support "Create Interrupt v3" message (Sunil Muthuswamy)
NVIDIA Tegra PCIe controller driver:
- Use seq_puts(), move err_msg from stack to static, fix OF node leak
(Christophe JAILLET)
NVIDIA Tegra194 PCIe driver:
- Disable suspend when in Endpoint mode (Om Prakash Singh)
- Fix MSI-X address programming error (Om Prakash Singh)
- Disable interrupts during suspend to avoid spurious AER link down
(Om Prakash Singh)
Renesas R-Car PCIe controller driver:
- Work around hardware issue that prevents Link L1->L0 transition
(Marek Vasut)
- Fix runtime PM refcount leak (Dinghao Liu)
Rockchip DesignWare PCIe controller driver:
- Add Rockchip RK356X host controller driver (Simon Xue)
TI J721E PCIe driver:
- Add support for J7200 and AM64 (Kishon Vijay Abraham I)
Toshiba Visconti PCIe controller driver:
- Add Toshiba Visconti PCIe host controller driver (Nobuhiro
Iwamatsu)
Xilinx NWL PCIe controller driver:
- Enable PCIe reference clock via CCF (Hyun Kwon)
Miscellaneous:
- Convert sta2x11 from 'pci_' to 'dma_' API (Christophe JAILLET)
- Fix pci_dev_str_match_path() alloc while atomic bug (used for
kernel parameters that specify devices) (Dan Carpenter)
- Remove pointless Precision Time Management warning when PTM is
present but not enabled (Jakub Kicinski)
- Remove surplus "break" statements (Krzysztof Wilczyński)"
* tag 'pci-v5.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (132 commits)
PCI: ibmphp: Fix double unmap of io_mem
x86/PCI: sta2x11: switch from 'pci_' to 'dma_' API
PCI/VPD: Use unaligned access helpers
PCI/VPD: Clean up public VPD defines and inline functions
cxgb4: Use pci_vpd_find_id_string() to find VPD ID string
PCI/VPD: Add pci_vpd_find_id_string()
PCI/VPD: Include post-processing in pci_vpd_find_tag()
PCI/VPD: Stop exporting pci_vpd_find_info_keyword()
PCI/VPD: Stop exporting pci_vpd_find_tag()
PCI: Set dma-can-stall for HiSilicon chips
PCI: rockchip-dwc: Add Rockchip RK356X host controller driver
PCI: dwc: Remove surplus break statement after return
PCI: artpec6: Remove local code block from switch statement
PCI: artpec6: Remove surplus break statement after return
MAINTAINERS: Add entries for Toshiba Visconti PCIe controller
PCI: visconti: Add Toshiba Visconti PCIe host controller driver
PCI/portdrv: Enable Bandwidth Notification only if port supports it
PCI: Allow PASID on fake PCIe devices without TLP prefixes
PCI: mediatek: Use PCI domain to handle ports detection
PCI: mediatek: Add new method to get irq number
...
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- Add max-virtual-functions to endpoint binding (Kishon Vijay Abraham I)
- Add pci_epf_add_vepf() API to add virtual function to endpoint (Kishon
Vijay Abraham I)
- Add pci_epf_vepf_link() to link virtual function to endpoint physical
function (Kishon Vijay Abraham I)
- Add virtual function number to pci_epc_ops endpoint ops interfaces
(Kishon Vijay Abraham I)
- Simplify register base address computation for endpoint BAR configuration
(Kishon Vijay Abraham I)
- Add support to configure virtual functions in cadence endpoint driver
(Kishon Vijay Abraham I)
- Add SR-IOV configuration to endpoint test driver (Kishon Vijay Abraham I)
- Document configfs usage to create virtual functions for endpoints (Kishon
Vijay Abraham I)
* remotes/lorenzo/pci/endpoint:
Documentation: PCI: endpoint/pci-endpoint-cfs: Guide to use SR-IOV
misc: pci_endpoint_test: Populate sriov_configure ops to configure SR-IOV device
PCI: cadence: Add support to configure virtual functions
PCI: cadence: Simplify code to get register base address for configuring BAR
PCI: endpoint: Add virtual function number in pci_epc ops
PCI: endpoint: Add support to link a physical function to a virtual function
PCI: endpoint: Add support to add virtual function in endpoint core
dt-bindings: PCI: pci-ep: Add binding to specify virtual function
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Populate sriov_configure ops with pci_sriov_configure_simple to
configure SR-IOV device.
Link: https://lore.kernel.org/r/20210819123343.1951-8-kishon@ti.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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Add device ID specific to AM64 and J7200 in pci_endpoint_test so that
endpoints configured with those deviceIDs can use pci_endpoint_test
driver.
Link: https://lore.kernel.org/r/20210811123336.31357-6-kishon@ti.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
"Highlights:
- Move all the Intel drivers into their own subdir(s) (mostly Kate's
work)
- New meraki-mx100 platform driver
- Asus WMI driver enhancements, including support for
/sys/firmware/acpi/platform_profile
- New BIOS SAR driver for Intel M.2 WWAM modems
- Alder Lake support for the Intel PMC driver
- A whole bunch of cleanups + fixes all over the place"
* tag 'platform-drivers-x86-v5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (65 commits)
platform/x86: dell-smbios-wmi: Add missing kfree in error-exit from run_smbios_call
platform/x86: dell-smbios-wmi: Avoid false-positive memcpy() warning
platform/x86: ISST: use semi-colons instead of commas
platform/x86: asus-wmi: Fix "unsigned 'retval' is never less than zero" smatch warning
platform/x86: asus-wmi: Delete impossible condition
platform/x86: hp_accel: Convert to be a platform driver
platform/x86: hp_accel: Remove _INI method call
platform/mellanox: mlxbf-pmc: fix kernel-doc notation
platform/x86/intel: pmc/core: Add GBE Package C10 fix for Alder Lake PCH
platform/x86/intel: pmc/core: Add Alder Lake low power mode support for pmc core
platform/x86/intel: pmc/core: Add Latency Tolerance Reporting (LTR) support to Alder Lake
platform/x86/intel: pmc/core: Add Alderlake support to pmc core driver
platform/x86: intel-wmi-thunderbolt: Move to intel sub-directory
platform/x86: intel-wmi-sbl-fw-update: Move to intel sub-directory
platform/x86: intel-vbtn: Move to intel sub-directory
platform/x86: intel_oaktrail: Move to intel sub-directory
platform/x86: intel_int0002_vgpio: Move to intel sub-directory
platform/x86: intel-hid: Move to intel sub-directory
platform/x86: intel_atomisp2: Move to intel sub-directory
platform/x86: intel_speed_select_if: Move to intel sub-directory
...
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According to ACPI specification the _INI method must be called
when device is enumerated first time. After that there is no need
to repeat the procedure. Convert the lis3lv02d_acpi_init() to be
a stub (Note, we may not remove it because it is called unconditionally
by the accelerometer main driver).
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Link: https://lore.kernel.org/r/20210823093222.19544-2-andriy.shevchenko@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty / serial updates from Greg KH:
"Here is the "big" set of tty/serial driver patches for 5.15-rc1
Nothing major in here at all, just some driver updates and more
cleanups on old tty apis and code that needed it that includes:
- tty.h cleanup of things that didn't belong in it
- other tty cleanups by Jiri
- driver cleanups
- rs485 support added to amba-pl011 driver
- dts updates
- stm32 serial driver updates
- other minor fixes and driver updates
All have been in linux-next for a while with no reported problems"
* tag 'tty-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (83 commits)
tty: serial: uartlite: Use read_poll_timeout for a polling loop
tty: serial: uartlite: Use constants in early_uartlite_putc
tty: Fix data race between tiocsti() and flush_to_ldisc()
serial: vt8500: Use of_device_get_match_data
serial: tegra: Use of_device_get_match_data
serial: 8250_ingenic: Use of_device_get_match_data
tty: serial: linflexuart: Remove redundant check to simplify the code
tty: serial: fsl_lpuart: do software reset for imx7ulp and imx8qxp
tty: serial: fsl_lpuart: enable two stop bits for lpuart32
tty: serial: fsl_lpuart: fix the wrong mapbase value
mxser: use semi-colons instead of commas
tty: moxa: use semi-colons instead of commas
tty: serial: fsl_lpuart: check dma_tx_in_progress in tx dma callback
tty: replace in_irq() with in_hardirq()
serial: sh-sci: fix break handling for sysrq
serial: stm32: use devm_platform_get_and_ioremap_resource()
serial: stm32: use the defined variable to simplify code
Revert "arm pl011 serial: support multi-irq request"
tty: serial: samsung: Add Exynos850 SoC data
tty: serial: samsung: Fix driver data macros style
...
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We need the tty/serial fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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put_tty_driver() is an alias for tty_driver_kref_put(). There is no need
for two exported identical functions, therefore switch all users of
old put_tty_driver() to new tty_driver_kref_put() and remove the former
for good.
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Cc: Jens Taprogge <jens.taprogge@taprogge.org>
Cc: Karsten Keil <isdn@linux-pingi.de>
Cc: Scott Branden <scott.branden@broadcom.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: David Lin <dtwlin@gmail.com>
Cc: Johan Hovold <johan@kernel.org>
Cc: Alex Elder <elder@kernel.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Cc: Jiri Kosina <jikos@kernel.org>
Cc: David Sterba <dsterba@suse.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: Oliver Neukum <oneukum@suse.com>
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Mathias Nyman <mathias.nyman@intel.com>
Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: Johan Hedberg <johan.hedberg@gmail.com>
Cc: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Acked-by: Alex Elder <elder@linaro.org>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Acked-by: David Sterba <dsterba@suse.com>
Acked-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210723074317.32690-8-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull IIO and staging driver updates from Greg KH:
"Here is the big set of staging and IIO driver updates for 5.15-rc1.
Also included in here are the counter driver subsystem updates as the
IIO drivers needed them.
Lots of churn in some staging drivers, we dropped the "old" rtl8188eu
driver and replaced it with a newer version of the driver that had
been maintained out-of-tree by Larry with the end goal of actually
being able to get this driver out of staging eventually. Despite that
driver being "newer" the line count of this pull request is going up.
Some drivers moved out of staging as well, which is always nice to
see, that is why there are additions to the mfc and misc driver
subsystems. All of these were acked by the various subsystem
maintainers involved.
But by far, as normal, it's coding style cleanups all over the
drivers/staging/ tree in here.
Full details of these changes are in the shortlog.
All of these have been in linux-next for a while with no reported
problems"
[ Note: the r8188eu merge clashed with commit 89939e890605 ("staging:
rtlwifi: use siocdevprivate") from the networking tree. When resolving
the issue, I noted that the whole r8188eu rtw_android code is dead
since commit ae7471cae00a ("staging: r8188eu: remove rtw_ioctl
function").
End result: the merge resolution was to throw all of that away,
rather than do the mindless fixup to code that isn't actually
reachable - Linus ]
* tag 'staging-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (551 commits)
staging: vt6655: Remove filenames in files
staging: r8188eu: add extra TODO entries
staging: vt6656: Remove filenames in files
staging: wlan-ng: fix invalid assignment warning
staging: r8188eu: rename fields of struct rtl_ps
staging: r8188eu: remove ODM_DynamicPrimaryCCA_DupRTS()
staging: r8188eu: rename fields of struct dyn_primary_cca
staging: r8188eu: rename struct field Wifi_Error_Status
staging: r8188eu: Provide a TODO file for this driver
staging: r8188eu: remove unneeded variable
staging: r8188eu: remove unneeded conversions to bool
staging: r8188eu: remove {read,write}_macreg
staging: r8188eu: core: remove condition with no effect
staging: r8188eu: remove ethernet.h header file
staging: r8188eu: remove ip.h header file
staging: r8188eu: remove if_ether.h header file
staging: r8188eu: make rtw_deinit_intf_priv return void
staging: r8188eu: use is_multicast_ether_addr in os_dep/recv_linux.c
staging: r8188eu: use is_multicast_ether_addr in hal/rtl8188eu_xmit.c
staging: r8188eu: use is_multicast_ether_addr in core/rtw_xmit.c
...
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We need the staging fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Per MFD subsystem requirements, split the IRQ part of the
driver into a separate one with just the IRQ handling code
and the powerkey support.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/709e01c9ffafe6cd0ecb23336b44f9bcde2b5bc2.1626515862.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the big set of driver core patches for 5.15-rc1.
These do change a number of different things across different
subsystems, and because of that, there were 2 stable tags created that
might have already come into your tree from different pulls that did
the following
- changed the bus remove callback to return void
- sysfs iomem_get_mapping rework
Other than those two things, there's only a few small things in here:
- kernfs performance improvements for huge numbers of sysfs users at
once
- tiny api cleanups
- other minor changes
All of these have been in linux-next for a while with no reported
problems, other than the before-mentioned merge issue"
* tag 'driver-core-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (33 commits)
MAINTAINERS: Add dri-devel for component.[hc]
driver core: platform: Remove platform_device_add_properties()
ARM: tegra: paz00: Handle device properties with software node API
bitmap: extend comment to bitmap_print_bitmask/list_to_buf
drivers/base/node.c: use bin_attribute to break the size limitation of cpumap ABI
topology: use bin_attribute to break the size limitation of cpumap ABI
lib: test_bitmap: add bitmap_print_bitmask/list_to_buf test cases
cpumask: introduce cpumap_print_list/bitmask_to_buf to support large bitmask and list
sysfs: Rename struct bin_attribute member to f_mapping
sysfs: Invoke iomem_get_mapping() from the sysfs open callback
debugfs: Return error during {full/open}_proxy_open() on rmmod
zorro: Drop useless (and hardly used) .driver member in struct zorro_dev
zorro: Simplify remove callback
sh: superhyway: Simplify check in remove callback
nubus: Simplify check in remove callback
nubus: Make struct nubus_driver::remove return void
kernfs: dont call d_splice_alias() under kernfs node lock
kernfs: use i_lock to protect concurrent inode updates
kernfs: switch kernfs to use an rwsem
kernfs: use VFS negative dentry caching
...
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We need the driver-core fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The driver core ignores the return value of this callback because there
is only little it can do when a device disappears.
This is the final bit of a long lasting cleanup quest where several
buses were converted to also return void from their remove callback.
Additionally some resource leaks were fixed that were caused by drivers
returning an error code in the expectation that the driver won't go
away.
With struct bus_type::remove returning void it's prevented that newly
implemented buses return an ignored error code and so don't anticipate
wrong expectations for driver authors.
Reviewed-by: Tom Rix <trix@redhat.com> (For fpga)
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Cornelia Huck <cohuck@redhat.com> (For drivers/s390 and drivers/vfio)
Acked-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> (For ARM, Amba and related parts)
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Chen-Yu Tsai <wens@csie.org> (for sunxi-rsb)
Acked-by: Pali Rohár <pali@kernel.org>
Acked-by: Mauro Carvalho Chehab <mchehab@kernel.org> (for media)
Acked-by: Hans de Goede <hdegoede@redhat.com> (For drivers/platform)
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-By: Vinod Koul <vkoul@kernel.org>
Acked-by: Juergen Gross <jgross@suse.com> (For xen)
Acked-by: Lee Jones <lee.jones@linaro.org> (For mfd)
Acked-by: Johannes Thumshirn <jth@kernel.org> (For mcb)
Acked-by: Johan Hovold <johan@kernel.org>
Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> (For slimbus)
Acked-by: Kirti Wankhede <kwankhede@nvidia.com> (For vfio)
Acked-by: Maximilian Luz <luzmaximilian@gmail.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> (For ulpi and typec)
Acked-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com> (For ipack)
Acked-by: Geoff Levand <geoff@infradead.org> (For ps3)
Acked-by: Yehezkel Bernat <YehezkelShB@gmail.com> (For thunderbolt)
Acked-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> (For intel_th)
Acked-by: Dominik Brodowski <linux@dominikbrodowski.net> (For pcmcia)
Acked-by: Rafael J. Wysocki <rafael@kernel.org> (For ACPI)
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org> (rpmsg and apr)
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> (For intel-ish-hid)
Acked-by: Dan Williams <dan.j.williams@intel.com> (For CXL, DAX, and NVDIMM)
Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com> (For isa)
Acked-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (For firewire)
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> (For hid)
Acked-by: Thorsten Scherer <t.scherer@eckelmann.de> (For siox)
Acked-by: Sven Van Asbroeck <TheSven73@gmail.com> (For anybuss)
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> (For MMC)
Acked-by: Wolfram Sang <wsa@kernel.org> # for I2C
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Finn Thain <fthain@linux-m68k.org>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20210713193522.1770306-6-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add again dev_set_drvdata(), but this time in devm_pvpanic_probe(), in order
for dev_get_drvdata() to not return NULL.
Fixes: 394febc9d0a6 ("misc/pvpanic: Make 'pvpanic_probe()' resource managed")
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mihai Carabas <mihai.carabas@oracle.com>
Link: https://lore.kernel.org/r/1629385946-4584-2-git-send-email-mihai.carabas@oracle.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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I got a NULL pointer dereference report when doing fuzz test:
Call Trace:
qp_release_pages+0xae/0x130
qp_host_unregister_user_memory.isra.25+0x2d/0x80
vmci_qp_broker_unmap+0x191/0x320
? vmci_host_do_alloc_queuepair.isra.9+0x1c0/0x1c0
vmci_host_unlocked_ioctl+0x59f/0xd50
? do_vfs_ioctl+0x14b/0xa10
? tomoyo_file_ioctl+0x28/0x30
? vmci_host_do_alloc_queuepair.isra.9+0x1c0/0x1c0
__x64_sys_ioctl+0xea/0x120
do_syscall_64+0x34/0xb0
entry_SYSCALL_64_after_hwframe+0x44/0xae
When a queue pair is created by the following call, it will not
register the user memory if the page_store is NULL, and the
entry->state will be set to VMCIQPB_CREATED_NO_MEM.
vmci_host_unlocked_ioctl
vmci_host_do_alloc_queuepair
vmci_qp_broker_alloc
qp_broker_alloc
qp_broker_create // set entry->state = VMCIQPB_CREATED_NO_MEM;
When unmapping this queue pair, qp_host_unregister_user_memory() will
be called to unregister the non-existent user memory, which will
result in a null pointer reference. It will also change
VMCIQPB_CREATED_NO_MEM to VMCIQPB_CREATED_MEM, which should not be
present in this operation.
Only when the qp broker has mem, it can unregister the user
memory when unmapping the qp broker.
Only when the qp broker has no mem, it can register the user
memory when mapping the qp broker.
Fixes: 06164d2b72aa ("VMCI: queue pairs implementation.")
Cc: stable <stable@vger.kernel.org>
Reported-by: Hulk Robot <hulkci@huawei.com>
Reviewed-by: Jorgen Hansen <jhansen@vmware.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Link: https://lore.kernel.org/r/20210818124845.488312-1-wanghai38@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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With the removal of the legacy IDE driver in kb7fb14d3ac63 ("ide: remove
the legacy ide driver"), this crashpoint no longer points to a valid
function.
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kevin Mitchell <kevmitch@arista.com>
Link: https://lore.kernel.org/r/20210819022940.561875-3-kevmitch@arista.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When scsi_dispatch_cmd was moved to scsi_lib.c and made static, some
compilers (i.e., at least gcc 8.4.0) decided to compile this
inline. This is a problem for lkdtm.ko, which inserted a kprobe
on this function for the SCSI_DISPATCH_CMD crashpoint.
Move this crashpoint one function up the call chain to
scsi_queue_rq. Though this is also a static function, it should never be
inlined because it is assigned as a structure entry. Therefore,
kprobe_register should always be able to find it.
Fixes: 82042a2cdb55 ("scsi: move scsi_dispatch_cmd to scsi_lib.c")
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kevin Mitchell <kevmitch@arista.com>
Link: https://lore.kernel.org/r/20210819022940.561875-2-kevmitch@arista.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Once __alloc_size hints have been added, the compiler will (correctly!)
see this as an overflow. We are, however, trying to test for this
condition at run-time (not compile-time), so work around it with a
volatile int offset.
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210818174855.2307828-5-keescook@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In an effort to keep as much information in once place as possible in
CI logs, report the kernel version and architecture in the failure hints.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: kernelci@groups.io
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210818174855.2307828-4-keescook@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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