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MHI driver requires register space length to add range checks and
prevent memory region accesses outside of that for MMIO space.
Set it from the PCI generic controller driver before registering
the MHI controller.
Link: https://lore.kernel.org/r/1620330705-40192-6-git-send-email-bbhatt@codeaurora.org
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210802051255.5771-8-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
MHI driver requires register space length to add range checks and
prevent memory region accesses outside of that for MMIO space.
Set it before registering the MHI controller.
Link: https://lore.kernel.org/r/1620330705-40192-5-git-send-email-bbhatt@codeaurora.org
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210802051255.5771-7-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Make controller driver specify the MMIO register region length
for range checking of BHI or BHIe space. This can help validate
that offsets are in acceptable memory region or not and avoid any
boot-up issues due to BHI or BHIe memory accesses.
Link: https://lore.kernel.org/r/1620330705-40192-4-git-send-email-bbhatt@codeaurora.org
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210802051255.5771-6-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Set the BHI and BHIe pointers to NULL as part of clean-up. This
makes sure that stale pointers are not accessed after powering
MHI down.
Link: https://lore.kernel.org/r/1620330705-40192-3-git-send-email-bbhatt@codeaurora.org
Suggested-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210802051255.5771-5-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Set the BHI and/or BHIe offsets in mhi_prepare_for_power_up(),
rearrange the function, and remove the equivalent from
mhi_async_power_up(). This helps consolidate multiple checks
in different parts of the driver and can help MHI fail early on
before power up begins if the offsets are not read correctly.
Link: https://lore.kernel.org/r/1620330705-40192-2-git-send-email-bbhatt@codeaurora.org
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210802051255.5771-4-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Currently, the MHI controller driver defines which channels should
have their inbound buffers allocated and queued. But ideally, this is
something that should be decided by the MHI device driver instead,
which actually deals with that buffers.
Add a flag parameter to mhi_prepare_for_transfer allowing to specify
if buffers have to be allocated and queued by the MHI stack.
Keep auto_queue flag for now, but should be removed at some point.
Link: https://lore.kernel.org/r/1624566520-20406-1-git-send-email-loic.poulain@linaro.org
Tested-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210802051255.5771-2-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
On Tegra186 and later, a portion of the SYSRAM may be reserved for use
by TZ. Non-TZ memory accesses to this portion, including speculative
accesses, trigger SErrors that bring down the system. This does also
happen in practice occasionally (due to speculative accesses).
To fix the issue, add a flag to the SRAM driver to only map the
device tree-specified reserved areas depending on a flag set
based on the compatibility string. This would not affect non-Tegra
systems that rely on the entire thing being memory mapped.
If 64K pages are being used, we cannot exactly map the 4K regions
that are placed in SYSRAM - ioremap code instead aligns to closest
64K pages. However, since in practice the non-accessible memory area
is 64K aligned, these mappings do not overlap with the non-accessible
memory area and things work out.
Reviewed-by: Mian Yousaf Kaukab <ykaukab@suse.de>
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Link: https://lore.kernel.org/r/20210715103423.1811101-1-mperttunen@nvidia.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
FPGA Manager
- Colin's change is a simple spelling cleanup.
DFL
- Martin's fist change exposes DFL feature revision to client drivers
- Martin's second change modifies a SPI driver to populate different
spi_board_info modaliases based on the DFL feature revision
All patches have been reviewed on the mailing list, and have been in the
last few linux-next releases (as part of my for-next branch) without issues.
Signed-off-by: Moritz Fischer <mdf@kernel.org>
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Merge tag 'fpga-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga into char-misc-next
Moritz writes:
FPGA Manager changes for 5.15-rc1
FPGA Manager
- Colin's change is a simple spelling cleanup.
DFL
- Martin's fist change exposes DFL feature revision to client drivers
- Martin's second change modifies a SPI driver to populate different
spi_board_info modaliases based on the DFL feature revision
All patches have been reviewed on the mailing list, and have been in the
last few linux-next releases (as part of my for-next branch) without issues.
Signed-off-by: Moritz Fischer <mdf@kernel.org>
* tag 'fpga-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga:
spi: spi-altera-dfl: support n5010 feature revision
fpga: dfl: expose feature revision from struct dfl_device
fpga: Fix spelling mistake "eXchnage" -> "exchange" in Kconfig
The functions get_online_cpus() and put_online_cpus() have been
deprecated during the CPU hotplug rework. They map directly to
cpus_read_lock() and cpus_read_unlock().
Replace deprecated CPU-hotplug functions with the official version.
The behavior remains unchanged.
Cc: Robin Holt <robinmholt@gmail.com>
Cc: Steve Wahl <steve.wahl@hpe.com>
Cc: Mike Travis <mike.travis@hpe.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20210803141621.780504-17-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In the case of a failed transaction, only the thread and process id are
logged. Add the handle info for the reference to the target node in user
error log to aid debugging.
Acked-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Ramji Jiyani <ramjiyani@google.com>
Link: https://lore.kernel.org/r/20210802220446.1938347-1-ramjiyani@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The original mei driver communication was strictly write command and
receive response flow, the completion of write was determined when
response was ready using select(). This paradigm is a long time not
true. There can be write without a response and an unsolicited read.
The driver is capable of handling those.
Adjust also the sample code and remove select() on read() from the
write flow. Add select to the read flow to showcase how to do the
read with a timeout.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20210801072532.8668-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The Max10 BMC on the Silicom n5010 PAC is slightly different than the
existing BMCs, so use a dedicated feature revision detect it.
Acked-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Tom Rix <trix@redhat.com>
Signed-off-by: Martin Hundebøll <mhu@silicom.dk>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
DFL device drivers have a common need for checking feature revision
information from the DFL header, as well as other common DFL information
like the already exposed feature id and type.
This patch exposes the feature revision information directly via the DFL
device data structure.
Since the DFL core code has already read the DFL header, this this patch
saves additional mmio reads from DFL device drivers too.
Acked-by: Wu Hao <hao.wu@intel.com>
Acked-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
Signed-off-by: Martin Hundebøll <mhu@silicom.dk>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
There is a spelling mistake in the Kconfig text. Fix it.
Reviewed-by: Tom Rix <trix@redhat.com>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
pci_irq_vector() may be used to retrieve IRQ vector for a PCI device.
Use it instead of direct access.
Acked-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210721150216.64823-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
IRQ_NONE definition is solely for IRQ handlers and not for generic
probe code. Replace it with plain integer.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210721150216.64823-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Buffers and structures passed to MEI bus and client API can be made
const for safer code and clear indication that it is not modified.
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210729102803.46289-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since the core framework now wraps the functions, ensuring
drives only have to implement functions that do something,
drop the now no longer required callbacks for state and
write_complete.
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Link: https://lore.kernel.org/r/20210726030806.714809-1-mdf@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
FPGA Manager
- Navin's change removes a duplicate word in a comment
- Tom's change fixes a spelling mistake
- Mauro's change fixes up documentation
- Tom's second set adds wrappers to allow drivers not having to
implement empty functions by moving checks into fpga-mgr core code
- My changes address a bunch of warnings
DFL
- Martin's change adds a new PCI ID for Silicom N501x PAC cards
All patches have been reviewed on the mailing list, and have been in the
last linux-next releases (as part of my for-next branch).
I did get a complaint about one of the commit messages w/ a Fixes: tags
which has been addressed.
Signed-offy-by: Moritz Fischer <mdf@kernel.org>
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Merge tag 'fpga-for-5.15-early' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga into char-misc-next
Moritz writes:
FPGA Manager Changes for 5.15-rc1
FPGA Manager
- Navin's change removes a duplicate word in a comment
- Tom's change fixes a spelling mistake
- Mauro's change fixes up documentation
- Tom's second set adds wrappers to allow drivers not having to
implement empty functions by moving checks into fpga-mgr core code
- My changes address a bunch of warnings
DFL
- Martin's change adds a new PCI ID for Silicom N501x PAC cards
All patches have been reviewed on the mailing list, and have been in the
last linux-next releases (as part of my for-next branch).
I did get a complaint about one of the commit messages w/ a Fixes: tags
which has been addressed.
Signed-offy-by: Moritz Fischer <mdf@kernel.org>
* tag 'fpga-for-5.15-early' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga:
fpga: fpga-mgr: wrap the write_sg() op
fpga: fpga-mgr: wrap the fpga_remove() op
fpga: fpga-mgr: wrap the state() op
fpga: fpga-mgr: wrap the status() op
fpga: fpga-mgr: wrap the write() op
fpga: fpga-mgr: make write_complete() op optional
fpga: fpga-mgr: wrap the write_init() op
fpga: zynqmp-fpga: Address warning about unused variable
fpga: xilinx-pr-decoupler: Address warning about unused variable
fpga: xiilnx-spi: Address warning about unused variable
fpga: altera-freeze-bridge: Address warning about unused variable
fpga: dfl: pci: add device IDs for Silicom N501x PAC cards
fpga: fpga-bridge: removed repeated word
fpga: fix spelling mistakes
docs: driver-api: fpga: avoid using UTF-8 chars
gcc doesn't care, but clang quite reasonably pointed out that the recent
commit e9ba16e68c ("smpboot: Mark idle_init() as __always_inlined to
work around aggressive compiler un-inlining") did some really odd
things:
kernel/smpboot.c:50:20: warning: duplicate 'inline' declaration specifier [-Wduplicate-decl-specifier]
static inline void __always_inline idle_init(unsigned int cpu)
^
which not only has that duplicate inlining specifier, but the new
__always_inline was put in the wrong place of the function definition.
We put the storage class specifiers (ie things like "static" and
"extern") first, and the type information after that. And while the
compiler may not care, we put the inline specifier before the types.
So it should be just
static __always_inline void idle_init(unsigned int cpu)
instead.
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Fix guest to host memory corruption in H_RTAS due to missing nargs check.
- Fix guest triggerable host crashes due to bad handling of nested guest TM state.
- Fix possible crashes due to incorrect reference counting in kvm_arch_vcpu_ioctl().
- Two commits fixing some regressions in KVM transactional memory handling introduced by
the recent rework of the KVM code.
Thanks to: Nicholas Piggin, Alexey Kardashevskiy, Michael Neuling.
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Merge tag 'powerpc-5.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix guest to host memory corruption in H_RTAS due to missing nargs
check.
- Fix guest triggerable host crashes due to bad handling of nested
guest TM state.
- Fix possible crashes due to incorrect reference counting in
kvm_arch_vcpu_ioctl().
- Two commits fixing some regressions in KVM transactional memory
handling introduced by the recent rework of the KVM code.
Thanks to Nicholas Piggin, Alexey Kardashevskiy, and Michael Neuling.
* tag 'powerpc-5.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
KVM: PPC: Book3S HV Nested: Sanitise H_ENTER_NESTED TM state
KVM: PPC: Book3S: Fix H_RTAS rets buffer overflow
KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak
KVM: PPC: Book3S: Fix CONFIG_TRANSACTIONAL_MEM=n crash
KVM: PPC: Book3S HV P9: Fix guest TM support
- Plug a race between rearm and process tick in the posix CPU timers code
- Make the optimization to avoid recalculation of the next timer interrupt
work correctly when there are no timers pending.
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Merge tag 'timers-urgent-2021-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
"A small set of timer related fixes:
- Plug a race between rearm and process tick in the posix CPU timers
code
- Make the optimization to avoid recalculation of the next timer
interrupt work correctly when there are no timers pending"
* tag 'timers-urgent-2021-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timers: Fix get_next_timer_interrupt() with no timers pending
posix-cpu-timers: Fix rearm racing against process tick
un-inlining which results in a section mismatch.
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Merge tag 'locking-urgent-2021-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 jump label fix from Thomas Gleixner:
"A single fix for jump labels to prevent the compiler from agressive
un-inlining which results in a section mismatch"
* tag 'locking-urgent-2021-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
jump_labels: Mark __jump_label_transform() as __always_inlined to work around aggressive compiler un-inlining
- Prevent memblock and I/O reserved resources to get out of sync when EFI
memreserve is in use.
- Don't claim a non-existing table is invalid
- Don't warn when firmware memory is already reserved correctly
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Merge tag 'efi-urgent-2021-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fixes from Thomas Gleixner:
"A set of EFI fixes:
- Prevent memblock and I/O reserved resources to get out of sync when
EFI memreserve is in use.
- Don't claim a non-existing table is invalid
- Don't warn when firmware memory is already reserved correctly"
* tag 'efi-urgent-2021-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/mokvar: Reserve the table only if it is in boot services data
efi/libstub: Fix the efi_load_initrd function description
firmware/efi: Tell memblock about EFI iomem reservations
efi/tpm: Differentiate missing and invalid final event log table.
causes a section mismatch.
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Merge tag 'core-urgent-2021-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core fix from Thomas Gleixner:
"A single update for the boot code to prevent aggressive un-inlining
which causes a section mismatch"
* tag 'core-urgent-2021-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
smpboot: Mark idle_init() as __always_inlined to work around aggressive compiler un-inlining
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Merge tag '5.14-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Five cifs/smb3 fixes, including a DFS failover fix, two fallocate
fixes, and two trivial coverity cleanups"
* tag '5.14-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: fix fallocate when trying to allocate a hole.
CIFS: Clarify SMB1 code for POSIX delete file
CIFS: Clarify SMB1 code for POSIX Create
cifs: support share failover when remounting
cifs: only write 64kb at a time when fallocating a small region of a file
* A fix to properly set the memory size, which fixes 32-bit systems.
* A fix to allow the initrd to load anywhere in memory, rather that
restricting it to the first 256MiB.
* A fix for the mem= parameter on 64-bit systems, to properly account
for the maximum supported memory now that the kernel is outside the
linear map.
* A fix to avoid installing mappings into the last 4KiB of memory, which
conflicts with error values.
* A fix to avoid the stack from being freed while it is being walked.
* A handful of fixes to the new copy to/from user routines.
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Merge tag 'riscv-for-linus-5.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- properly set the memory size, which fixes 32-bit systems
- allow initrd to load anywhere in memory, rather that restricting it
to the first 256MiB
- fix the 'mem=' parameter on 64-bit systems to properly account for
the maximum supported memory now that the kernel is outside the
linear map
- avoid installing mappings into the last 4KiB of memory, which
conflicts with error values
- avoid the stack from being freed while it is being walked
- a handful of fixes to the new copy to/from user routines
* tag 'riscv-for-linus-5.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: __asm_copy_to-from_user: Fix: Typos in comments
riscv: __asm_copy_to-from_user: Remove unnecessary size check
riscv: __asm_copy_to-from_user: Fix: fail on RV32
riscv: __asm_copy_to-from_user: Fix: overrun copy
riscv: stacktrace: pin the task's stack in get_wchan
riscv: Make sure the kernel mapping does not overlap with IS_ERR_VALUE
riscv: Make sure the linear mapping does not use the kernel mapping
riscv: Fix memory_limit for 64-bit kernel
RISC-V: load initrd wherever it fits into memory
riscv: Fix 32-bit RISC-V boot failure
Commit 71f6428332 ("ACPI: utils: Fix reference counting in
for_each_acpi_dev_match()") started doing "acpi_dev_put()" on a pointer
that was possibly NULL. That fails miserably, because that helper
inline function is not set up to handle that case.
Just make acpi_dev_put() silently accept a NULL pointer, rather than
calling down to put_device() with an invalid offset off that NULL
pointer.
Link: https://lore.kernel.org/lkml/a607c149-6bf6-0fd0-0e31-100378504da2@kernel.dk/
Reported-and-tested-by: Jens Axboe <axboe@kernel.dk>
Tested-by: Daniel Scally <djrscally@gmail.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
An FPGA manager should not be required to provide a
write_sg function. Move the op check to the wrapper.
Default to -EOPNOTSUP so its users will fail
gracefully.
[mdf@kernel.org: Reworded first line]
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
An FPGA manager is not required to provide a fpga_remove() op.
Add a wrapper consistent with the other op wrappers.
Move op check to wrapper.
[mdf@kernel.org: Reworded first line]
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
An FPGA manager should not be required to provide a state() op.
Add a wrapper consistent with the other op wrappers.
Move op check to wrapper.
Default to FPGA_MGR_STATE_UNKNOWN, what noop state() ops use.
Remove unneeded noop state() ops
[mdf@kernel.org: Reworded first line]
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
An FPGA manager is not required to provide a status() op.
Add a wrapper consistent with the other op wrappers.
Move the op check to the wrapper.
Default to 0, no errors to report.
[mdf@kernel.org: Reworded first line]
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
An FPGA manager should not be required to provide a
write function. Move the op check to the wrapper.
Default to -EOPNOTSUP so its users will fail
gracefully.
[mdf@kernel.org: Reworded message]
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
An FPGA manager should not be required to provide a
write_complete function if there is nothing. Move
the op check to the existing wrapper.
Default to success and remove noop function.
[mdf@kernel.org: Reworded message]
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
An FPGA manager should not be required to provide a
write_init() op if there is nothing for it do.
So add a wrapper and move the op checking.
Default to success.
[mdf@kernel.org: Reworded first line]
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
warning: ‘zynqmp_fpga_of_match’ defined but not used
[-Wunused-const-variable=]
static const struct of_device_id zynqmp_fpga_of_match[] = {
Fixes: c09f747112 ("fpga manager: Adding FPGA Manager support for Xilinx zynqmp")
Cc: Tom Rix <trix@redhat.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
warning: ‘xlnx_pr_decoupler_of_match’ defined but not used
[-Wunused-const-variable=]
static const struct of_device_id xlnx_pr_decoupler_of_match[] = {
Fixes: 7e961c12be ("fpga: Add support for Xilinx LogiCORE PR Decoupler")
Cc: Tom Rix <trix@redhat.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
warning: ‘xlnx_spi_of_match’ defined but not used
[-Wunused-const-variable]
static const struct of_device_id xlnx_spi_of_match[] = {
Fixes: 061c97d13f ("fpga manager: Add Xilinx slave serial SPI driver")
Cc: Tom Rix <trix@redhat.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
This adds the approved PCI Express Device IDs for the Silicom PAC N5010
and N5011 cards (aka. Silicom Lightning Creek cards).
The N5010 features an FPGA that manages/interfaces four QSFP ports, and
allows on-board custom packet processing/filtering/routing, based on
logic loaded with user-provided FPGA bitstreams.
The N5011 cards adds a PCIe switch that exposes, in addition to the FPGA
itself, two Intel E810 (aka Columbiaville) ethernet controllers. With
this, packets can be forwarded from the FPGA to the host for further
processing.
Signed-off-by: Martin Hundebøll <mhu@silicom.dk>
Acked-by: Wu Hao <hao.wu@intel.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Four fixes, all in drivers, all of which can lead to user visible
problems in certain situations.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Four fixes, all in drivers, all of which can lead to user visible
problems in certain situations"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: target: Fix NULL dereference on XCOPY completion
scsi: mpt3sas: Transition IOC to Ready state during shutdown
scsi: target: Fix protect handling in WRITE SAME(32)
scsi: iscsi: Fix iface sysfs attr detection
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Merge tag 'block-5.14-2021-07-24' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- NVMe pull request (Christoph):
- tracing fix (Keith Busch)
- fix multipath head refcounting (Hannes Reinecke)
- Write Zeroes vs PI fix (me)
- drop a bogus WARN_ON (Zhihao Cheng)
- Increase max blk-cgroup policy size, now that mq-deadline
uses it too (Oleksandr)
* tag 'block-5.14-2021-07-24' of git://git.kernel.dk/linux-block:
nvme: set the PRACT bit when using Write Zeroes with T10 PI
nvme: fix nvme_setup_command metadata trace event
nvme: fix refcounting imbalance when all paths are down
nvme-pci: don't WARN_ON in nvme_reset_work if ctrl.state is not RESETTING
block: increase BLKCG_MAX_POLS
Pull i2c fixes from Wolfram Sang:
"Two bugfixes for the I2C subsystem"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: mpc: Poll for MCF
misc: eeprom: at24: Always append device id even if label property is set.
Merge misc mm fixes from Andrew Morton:
"15 patches.
VM subsystems affected by this patch series: userfaultfd, kfence,
highmem, pagealloc, memblock, pagecache, secretmem, pagemap, and
hugetlbfs"
* akpm:
hugetlbfs: fix mount mode command line processing
mm: fix the deadlock in finish_fault()
mm: mmap_lock: fix disabling preemption directly
mm/secretmem: wire up ->set_page_dirty
writeback, cgroup: do not reparent dax inodes
writeback, cgroup: remove wb from offline list before releasing refcnt
memblock: make for_each_mem_range() traverse MEMBLOCK_HOTPLUG regions
mm: page_alloc: fix page_poison=1 / INIT_ON_ALLOC_DEFAULT_ON interaction
mm: use kmap_local_page in memzero_page
mm: call flush_dcache_page() in memcpy_to_page() and memzero_page()
kfence: skip all GFP_ZONEMASK allocations
kfence: move the size check to the beginning of __kfence_alloc()
kfence: defer kfence_test_init to ensure that kunit debugfs is created
selftest: use mmap instead of posix_memalign to allocate memory
userfaultfd: do not untag user pointers
