Refactor: Instead of re-parsing the ingress RPC Call transport
header when constructing RDMA Writes, use the new parsed chunk lists
for the Write list and Reply chunk, which are version-agnostic and
already XDR-decoded.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Refactor: Don't duplicate header decoding smarts here. Instead, use
the new parsed chunk lists.
Note that the XID sanity test is also removed. The XID is already
looked up by the cb handler, and is rejected if it's not recognized.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This simple data structure binds the location of each data payload
inside of an RPC message to the chunk that will be used to push it
to or pull it from the client.
There are several benefits to this small additional overhead:
* It enables support for more than one chunk in incoming Read and
Write lists.
* It translates the version-specific on-the-wire format into a
generic in-memory structure, enabling support for multiple
versions of the RPC/RDMA transport protocol.
* It enables the server to re-organize a chunk list if it needs to
adjust where Read chunk data lands in server memory without
altering the contents of the XDR-encoded Receive buffer.
Construction of these lists is done while sanity checking each
incoming RPC/RDMA header. Subsequent patches will make use of the
generated data structures.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
The only RPC/RDMA ordering requirement between RDMA Writes and RDMA
Sends is that the responder must post the Writes on the Send queue
before posting the Send that conveys the RPC Reply for that Write
payload.
The Linux NFS server implementation now has a transport method that
can post result Payload Writes earlier than svc_rdma_sendto:
->xpo_result_payload()
This gets RDMA Writes going earlier so they are more likely to be
complete at the remote end before the Send completes.
Some care must be taken with pulled-up Replies. We don't want to
push the Write chunk and then send the same payload data via Send.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Have the NFSD encoders annotate the boundaries of every
direct-data-placement eligible result data payload. Then change
svcrdma to use that annotation instead of the xdr->page_len
when handling Write chunks.
For NFSv4 on RDMA, that enables the ability to recognize multiple
result payloads per compound. This is a pre-requisite for supporting
multiple Write chunks per RPC transaction.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Clean up: "result payload" is a less confusing name for these
payloads. "READ payload" reflects only the NFS usage.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Refactor for subsequent changes.
Constify the xdr_buf argument to ensure the code here does not
modify it, and to enable callers to pass in a
"const struct xdr_buf *".
At the same time, rename the helper functions, which emit RDMA
Writes, not RDMA Sends, and add documenting comments.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Clean up: Ensure the code in rw.c does not modify the argument, and
enable callers to also use "const struct xdr_buf *".
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
When space in the Reply chunk runs out in the middle of a segment,
we end up passing a zero-length SGL to rdma_rw_ctx_init(), and it
oopses.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
perf_evlist__ is for 'struct perf_evlist' methods, in tools/lib/perf/,
go on completing this split.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
perf_evlist__ is for 'struct perf_evlist' methods, in tools/lib/perf/,
go on completing this split.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
perf_evlist__ is for 'struct perf_evlist' methods, in tools/lib/perf/,
go on completing this split.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Sphinx 3.1 introduced namespaces for C cross-references. With this,
each C domain type/function declaration is put inside the namespace that
was active at the time of its declaration.
Add support for automatic cross-referencing inside C namespaces by
checking whether the corresponding source file had a C namespace Sphinx
directive, and if so, try cross-referencing inside of it before going to
the global scope.
This assumes there's only one namespace (if any) per rst file.
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@protonmail.com>
Link: https://lore.kernel.org/r/20201117021107.214704-1-nfraprado@protonmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
perf_evlist__ is for 'struct perf_evlist' methods, in tools/lib/perf/,
go on completing this split.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
perf_evlist__ is for 'struct perf_evlist' methods, in tools/lib/perf/,
go on completing this split.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
perf_evlist__ is for 'struct perf_evlist' methods, in tools/lib/perf/,
go on completing this split.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
perf_evlist__ is for 'struct perf_evlist' methods, in tools/lib/perf/,
go on completing this split.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Previously, this command returns no help message on aarch64:
-> ./perf record --user-regs=?
available registers:
Usage: perf record [<options>] [<command>]
or: perf record [<options>] -- <command> [<options>]
With this change, the registers are listed.
-> ./perf record --user-regs=?
available registers: x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 x13 x14 x15 x16 x17 x18 x19 x20 x21 x22 x23 x24 x25 x26 x27 x28 x29 lr sp pc
It's also now possible to record subsets of registers on aarch64:
-> ./perf record --user-regs=x4,x5 ls
-> ./perf report --dump-raw-trace
12801163749305260 0xc70 [0x40]: PERF_RECORD_SAMPLE(IP, 0x2): 51956/51956: 0xffffaa6571f0 period: 145785 addr: 0
... user regs: mask 0x30 ABI 64-bit
.... x4 0x000000000000006c
.... x5 0x0000001001000001
... thread: ls:51956
...... dso: /usr/lib64/ld-2.17.so
Signed-off-by: Alexandre Truong <alexandre.truong@arm.com>
Tested-by: James Clark <james.clark@arm.com>
Acked-by: John Garry <john.garry@huawei.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lore.kernel.org/lkml/20201127153923.26717-1-alexandre.truong@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
perf_evlist__ is for 'struct perf_evlist' methods, in tools/lib/perf/,
go on completing this split.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The shift of 1 by align_order is evaluated using 32 bit arithmetic and the
result is assigned to a resource_size_t type variable that is a 64 bit
unsigned integer on 64 bit platforms. Fix an overflow before widening issue
by making the 1 a ULL.
Addresses-Coverity: ("Unintentional integer overflow")
Fixes: 32a9a682be ("PCI: allow assignment of memory resources with a specified alignment")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
32-bit BARs are limited to 2GB size (2^31). By extension, I assume 64-bit
BARs are limited to 2^63 bytes. Limit the alignment requested by the
"pci=resource_alignment=" command-line parameter to 2^63.
Link: https://lore.kernel.org/r/20201007123045.GS4282@kadam
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
UL in the definition of SYS_TFSR_EL1_TF1 was misspelled causing
compilation issues when trying to implement in kernel MTE async
mode.
Fix the macro correcting the typo.
Note: MTE async mode will be introduced with a future series.
Fixes: c058b1c4a5 ("arm64: mte: system register definitions")
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20201130170709.22309-1-vincenzo.frascino@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
This is a Chinese translated version of
Documentation/arm64/elf_hwcaps.rst
Signed-off-by: Bailu Lin <bailu.lin@vivo.com>
Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com>
Link: https://lore.kernel.org/r/20201124023846.34826-1-bailu.lin@vivo.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
early_param memmap is only implemented on X86, MIPS and XTENSA. To avoid
wasting users’ time on trying this on platform like ARM, mark it clearly.
Signed-off-by: Barry Song <song.bao.hua@hisilicon.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Link: https://lore.kernel.org/r/20201128195121.2556-1-song.bao.hua@hisilicon.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This reverts 6f4a038b99 (ASoC/SoundWire: rt715-sdca: First version of
rt715 sdw sdca codec driver) due to build breakage.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Mark Brown <broonie@kernel.org>
The Lenovo Yoga C630 drives the Boe NV133FHM-N61 eDP display from DSI
using a TI SN65DSI86 bridge chip on I2C 10. Define the bridge and eDP
panel and enable the display blocks.
Tested-by: Steev Klimaszewski <steev@kali.org>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20201128034231.89750-1-bjorn.andersson@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The numbering of the i2c busses differs from ACPI and a number of typos
was made in the original patch. Further more the irq flags for the
various resources was not correct and i2c3 only has one of the two
client devices active in any one device.
Also label the various devices, for easier comparison with the ACPI
tables.
Tested-by: Steev Klimaszewski <steev@kali.org>
Fixes: 44acee2078 ("arm64: dts: qcom: Add Lenovo Yoga C630")
Link: https://lore.kernel.org/r/20201130165924.319708-1-bjorn.andersson@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
perf_evlist__ is for 'struct perf_evlist' methods, in tools/lib/perf/,
go on completing this split.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
perf_evlist__ is for 'struct perf_evlist' methods, in tools/lib/perf/,
go on completing this split.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Add the QPIC BAM and QPIC NAND controller support and
enable the same in board DTS file.
Co-developed-by: Anusha Canchi Ramachandra Rao <anusharao@codeaurora.org>
Signed-off-by: Anusha Canchi Ramachandra Rao <anusharao@codeaurora.org>
Signed-off-by: Kathiravan T <kathirav@codeaurora.org>
Link: https://lore.kernel.org/r/1606734105-12414-2-git-send-email-kathirav@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Add the interconnects DT property to describe the ports for GENI QUPs
on the sdm845 platform.
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Link: https://lore.kernel.org/r/20201105135211.7160-3-georgi.djakov@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The QUP nodes are currently defined just as entries in the topology,
but they are not referenced by any of the NoCs. Let's fix this and
"attach" them to their NoCs, so that the QUP drivers are able to use
them as path endpoints and scale their bandwidth.
This is based on the information from the downstream msm-4.9 kernel.
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Link: https://lore.kernel.org/r/20201105135211.7160-2-georgi.djakov@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The QUP ports exist in the topology, but are not exposed as an
endpoints in DT. Fix this by creating IDs and attach them to their
NoCs, so that the various QUP drivers (i2c/spi/uart etc.) are able
to request their interconnect paths and scale their bandwidth.
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Link: https://lore.kernel.org/r/20201105135211.7160-1-georgi.djakov@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The LID state can be read from GPIO 124 and the "tablet mode" from GPIO
95, expose these to the system using gpio-keys and mark the falling edge
of the LID state as a wakeup-source - to wake the system from suspend.
Tested-by: Steev Klimaszewski <steev@kali.org>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20201125060838.165576-1-bjorn.andersson@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The gpiochip_add_data() may return -EPROBE_DEFER which is not handled
properly by TI GPIO driver and causes unnecessary boot log messages.
Hence, add proper deferred probe handling with new dev_err_probe() API.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
There is no matching spi_get_drvdata() call in the driver, so there is no
need to do spi_set_drvdata(). This looks like it probably was copied from a
driver that used both spi_set_drvdata() & spi_get_drvdata().
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
In dwapb_get_reset(), if devm_reset_control_get_optional_shared() fails,
an error message is printed even if the failure is the benign
EPROBE_DEFER error due to the reset controller not yet being
initialized. Use dev_err_probe() to handle
devm_reset_control_get_optional_shared() errors to avoid unnecessarilly
printing an error message for the deferred probe error.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
New drivers:
- SoC info driver to expose revision information
New features:
- AST2600 support for the LPC control driver. This includes
setting the LPC2AHB bridge up in a backwards compatible manner.
Cleanups:
- LPC control
- Kconfig
- Bindings updates for AST2600 strings
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Merge tag 'aspeed-5.11-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/aspeed into arm/drivers
ASPEED soc driver updates for 5.11
New drivers:
- SoC info driver to expose revision information
New features:
- AST2600 support for the LPC control driver. This includes
setting the LPC2AHB bridge up in a backwards compatible manner.
Cleanups:
- LPC control
- Kconfig
- Bindings updates for AST2600 strings
* tag 'aspeed-5.11-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/aspeed:
soc: aspeed: Enable drivers with ARCH_ASPEED
soc: aspeed: Fix a reference leak in aspeed_socinfo_init()
soc: aspeed: remove unneeded semicolon
soc: aspeed-lpc-ctrl: Fix driver name
soc: aspeed-lpc-ctrl: Fix whitespace
soc: aspeed-lpc-ctrl: LPC to AHB mapping on ast2600
soc: aspeed-lpc-ctrl: Fail probe of lpc-ctrl if reserved memory is not aligned
soc: aspeed: lpc: Add AST2600 compatible strings
dt-bindings: aspeed-lpc: Add AST2600 compatible strings
ARM: dts: aspeed: Add silicon id node
soc: aspeed: Add soc info driver
dt-bindings: aspeed: Add silicon id node to SCU
soc: aspeed: Improve kconfig
Link: https://lore.kernel.org/r/CACPK8Xe=9ezhyWRMqVOEQr7SU1YoYfVBGGdGzjmE4SiBr--vJQ@mail.gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Add crypto engine (CE) and CE BAM related nodes and definitions to
"sdm845.dtsi".
Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
Link: https://lore.kernel.org/r/20201119155233.3974286-6-thara.gopinath@linaro.org
[bjorn: Replaced RPMH_CE_CLK constant, for now]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
- add support for new power domain driver.
- add support for mt8183 and mt8192
devapc:
- add support for the devapc device found on mt6779 to identify of
malicious bus accesses from a controller to a device
mmsys:
- move DDP routing IDs into the driver
cmdq:
- drop timeout handler support as not usefull
scpsys:
- print warning on theoretical error
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Merge tag 'v5.10-next-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into arm/drivers
power-domains:
- add support for new power domain driver.
- add support for mt8183 and mt8192
devapc:
- add support for the devapc device found on mt6779 to identify of
malicious bus accesses from a controller to a device
mmsys:
- move DDP routing IDs into the driver
cmdq:
- drop timeout handler support as not usefull
scpsys:
- print warning on theoretical error
* tag 'v5.10-next-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux: (21 commits)
soc: mediatek: mmsys: Use devm_platform_ioremap_resource()
soc / drm: mediatek: Move DDP component defines into mtk-mmsys.h
soc: mediatek: add mt6779 devapc driver
dt-bindings: devapc: add bindings for mtk-devapc
soc / drm: mediatek: cmdq: Remove timeout handler in helper function
soc: mediatek: pm-domains: Add support for mt8192
soc: mediatek: pm-domains: Add default power off flag
soc: mediatek: pm-domains: Add support for mt8183
soc: mediatek: pm-domains: Allow bus protection to ignore clear ack
soc: mediatek: pm-domains: Add subsystem clocks
soc: mediatek: pm-domains: Add extra sram control
soc: mediatek: pm-domains: Add SMI block as bus protection block
soc: mediatek: pm_domains: Make bus protection generic
soc: mediatek: pm-domains: Add bus protection protocol
soc: mediatek: Add MediaTek SCPSYS power domains
dt-bindings: power: Add MT8192 power domains
dt-bindings: power: Add MT8183 power domains
dt-bindings: power: Add bindings for the Mediatek SCPSYS power domains controller
mfd: syscon: Add syscon_regmap_lookup_by_phandle_optional() function.
MAINTAINERS: change mediatek wiki page
...
Link: https://lore.kernel.org/r/b03fe343-e183-c6f3-f2dc-4c58aae3146b@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
pull the following:
- Lee provides a missing function declaration spotted with W=1 builds
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Merge tag 'arm-soc/for-5.11/drivers' of https://github.com/Broadcom/stblinux into arm/drivers
This pull request contains Broadcom SoCs driver changes for 5.11, please
pull the following:
- Lee provides a missing function declaration spotted with W=1 builds
* tag 'arm-soc/for-5.11/drivers' of https://github.com/Broadcom/stblinux:
soc: bcm: brcmstb: pm: pm-arm: Provide prototype for brcmstb_pm_s3_finish()
Link: https://lore.kernel.org/r/20201128163410.1691529-5-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
