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Fix the following checkpatch warning:
"WARNING: void function return statements are not generally useful"
Signed-off-by: Leandro Ribeiro <leandrohr@riseup.net>
Link: https://lore.kernel.org/r/20190904210631.13599-1-leandrohr@riseup.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix checkpath error "CHECK: Blank lines aren't necessary after an open
brace '{'"
in rtllib.h:482.
Signed-off-by: Beatriz Martins de Carvalho <martinsdecarvalhobeatriz@gmail.com>
Link: https://lore.kernel.org/r/20190904210326.17983-1-martinsdecarvalhobeatriz@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use kmemdup rather than duplicating its implementation
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20190905030047.88401-1-yuehaibing@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove including <linux/version.h> that don't need it.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20190905025623.63210-1-yuehaibing@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove duplicated include.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20190905025608.61884-1-yuehaibing@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Interrupt coalescing, tunable copybreak value, and
tx timeout.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add code to manipulate through ethtool the RSS configuration
used by the NIC.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add in the detailed statistics for ethtool -S that the driver
keeps as it processes packets. Display of the additional
debug statistics can be enabled through the ethtool priv-flags
feature.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the netdev gets a new name from userland, pass that name
down to the NIC for internal tracking.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add both the Tx and Rx queue setup and handling. The related
stats display comes later. Instead of using the generic napi
routines used by the slow-path commands, the Tx and Rx paths
are simplified and inlined in one file in order to get better
compiler optimizations.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add in the basic ethtool callbacks for device information
and control.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add code to handle the link status event, and wire up the
basic netdev hardware stats.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the Rx filtering and rx_mode NDO callbacks. Also add
the deferred work thread handling needed to manage the filter
requests outside of the netif_addr_lock spinlock.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set up the infrastructure for managing Rx filters. We can't ask the
hardware for what filters it has, so we keep a local list of filters
that we've pushed into the HW.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set up the initial NDO structure and callbacks for netdev
to use, and register the netdev. This will allow us to do
a few basic operations on the device, but no traffic yet.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The AdminQ is fine for sending messages and requests to the NIC,
but we also need to have events published from the NIC to the
driver. The NotifyQ handles this for us, using the same interrupt
as AdminQ.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add AdminQ specific message requests and completion handling.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Most of the NIC configuration happens through the AdminQ message
queue. NAPI is used for basic interrupt handling and message
queue management. These routines are set up to be shared among
different types of queues when used in slow-path handling.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ionic interrupt model is based on interrupt control blocks
accessed through the PCI BAR. Doorbell registers are used by
the driver to signal to the NIC that requests are waiting on
the message queues. Interrupts are used by the NIC to signal
to the driver that answers are waiting on the completion queues.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The LIF is the Logical Interface, which represents the external
connections. The NIC can multiplex many LIFs to a single port,
but in most setups, LIF0 is the primary control for the port.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The port management commands apply to the physical port
associated with the PCI device, which might be shared among
several logical interfaces.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ionic device has a small set of PCI registers, including a
device control and data space, and a large set of message
commands.
Also adds new DEVLINK_INFO_VERSION_GENERIC tags for
ASIC_ID, ASIC_REV, and FW.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds a basic driver framework for the Pensando IONIC
network device. There is no functionality right now other than
the ability to load and unload.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull ARM cpufreq driver changes for 5.4 from Viresh Kumar:
"This contains:
- Minor fixes for mediatek driver (Andrew-sh.Cheng and Fabien Parent).
- Minor updates for imx driver (Anson Huang).
- Minor fix for ti-cpufreq driver (Gustavo A. R. Silva).
- Minor fix for ap806 driver (Hariprasad Kelam).
- Significant updates to qcom cpufreq drivers, mostly to support CPR
stuff (Jorge Ramirez-Ortiz, Niklas Cassel, Sibi Sankar, Douglas
RAILLARD and Sricharan R).
- New sun50i cpufreq driver (Yangtao Li).
It also contains a few OPP changes which were required because of
dependencies for the qcom cpufreq changes."
* 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm: (22 commits)
cpufreq: Add qcs404 to cpufreq-dt-platdev blacklist
cpufreq: qcom: Add support for qcs404 on nvmem driver
cpufreq: qcom: Refactor the driver to make it easier to extend
cpufreq: qcom: Re-organise kryo cpufreq to use it for other nvmem based qcom socs
dt-bindings: opp: Add qcom-opp bindings with properties needed for CPR
dt-bindings: opp: qcom-nvmem: Support pstates provided by a power domain
cpufreq: mediatek: Add support for mt8183
cpufreq: mediatek: change to regulator_get_optional
cpufreq: imx-cpufreq-dt: Add i.MX8MN support
cpufreq: Use imx-cpufreq-dt for i.MX8MN's speed grading
cpufreq: qcom-hw: invoke frequency-invariance setter function
cpufreq: qcom-hw: Update logic to detect turbo frequency
cpufreq: mediatek-cpufreq: Add compatible for MT8516
cpufreq: ti-cpufreq: Mark expected switch fall-through
dt-bindings: opp: qcom-nvmem: Make speedbin related properties optional
dt-bindings: opp: Re-organise kryo cpufreq to use it for other nvmem based qcom socs
opp: Add dev_pm_opp_find_level_exact()
opp: Return genpd virtual devices from dev_pm_opp_attach_genpd()
opp: Not all power-domains are scalable
cpufreq: ap806: Add NULL check after kcalloc
...
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* pm-cpufreq-qos:
Documentation: cpufreq: Update policy notifier documentation
cpufreq: Remove CPUFREQ_ADJUST and CPUFREQ_NOTIFY policy notifier events
ACPI: cpufreq: Switch to QoS requests instead of cpufreq notifier
video: pxafb: Remove cpufreq policy notifier
video: sa1100fb: Remove cpufreq policy notifier
arch_topology: Use CPUFREQ_CREATE_POLICY instead of CPUFREQ_NOTIFY
cpufreq: powerpc_cbe: Switch to QoS requests for freq limits
cpufreq: powerpc: macintosh: Switch to QoS requests for freq limits
thermal: cpu_cooling: Switch to QoS requests for freq limits
cpufreq: Add policy create/remove notifiers back
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Pull operating performance points (OPP) framework changes for 5.4
from Viresh Kumar:
"This contains:
- OPP core fixes to better support genpd devices (Viresh Kumar).
- OPP core changes to support multiple suspend-opps in DT (Anson Huang).
- New OPP API (dev_pm_opp_find_level_exact()) and Qcom OPP binding
changes for CPR (Niklas Cassel).
- Qcom minor update (Sricharan R).
- OPP Documentation fix (Yue Hu).
- OPP core support to enable/disable regulators (k.konieczny)."
* 'opp/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
dt-bindings: opp: Add qcom-opp bindings with properties needed for CPR
dt-bindings: opp: qcom-nvmem: Support pstates provided by a power domain
dt-bindings: opp: qcom-nvmem: Make speedbin related properties optional
dt-bindings: opp: Re-organise kryo cpufreq to use it for other nvmem based qcom socs
PM / OPP: Correct Documentation about library location
opp: of: Support multiple suspend OPPs defined in DT
dt-bindings: opp: Support multiple opp-suspend properties
opp: core: add regulators enable and disable
opp: Don't decrement uninitialized list_kref
opp: Add dev_pm_opp_find_level_exact()
opp: Return genpd virtual devices from dev_pm_opp_attach_genpd()
opp: Not all power-domains are scalable
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Johan Hedberg says:
====================
pull request: bluetooth 2019-09-05
Here are a few more Bluetooth fixes for 5.3. I hope they can still make
it. There's one USB ID addition for btusb, two reverts due to discovered
regressions, and two other important fixes.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rename the sha*_init arrays to n2_sha*_init so that they do not conflict
with the functions declared in crypto/sha256.h.
Also rename md5_init to n2_md5_init for consistency.
This is a preparation patch for folding crypto/sha256.h into crypto/sha.h.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Rename the sha*_init arrays to chcr_sha*_init so that they do not conflict
with the functions declared in crypto/sha256.h.
This is a preparation patch for folding crypto/sha256.h into crypto/sha.h.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Rename the algo_init arrays to cc_algo_init so that they do not conflict
with the functions declared in crypto/sha256.h.
This is a preparation patch for folding crypto/sha256.h into crypto/sha.h.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The timeriomem_rng driver only accesses the first 4 bytes of the given
memory area and currently, it also forces that memory resource to be
exactly 4 bytes in size.
This, however, is problematic when used with device-trees that are
generated from things like FPGA toolchains, where the minimum size
of an exposed memory block may be something like 4k.
Hence, let's only check for what's needed for the driver to operate
properly; namely that we have enough memory available to read the
random data from.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds support for the basic AES-CCM AEAD cipher suite.
Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds support for AES in output feedback mode (AES-OFB).
Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds support for AES in 128 bit cipher feedback mode (AES-CFB).
Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds support for the basic AES-GCM AEAD cipher suite.
Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Some minor cleanup changing e.g. "if (!x) A else B" to "if (x) B else A",
merging some back-to-back if's with the same condition, collapsing some
back-to-back assignments to the same variable and replacing some weird
assignments with proper symbolics.
Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Moved counter mode handling code in front as it doesn't depend on the
rest of the code to be executed, it can just do its thing and exit.
Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Instead of having a fixed value (of 300) all over the place, the value for
for .cra_priority is now made into a define (SAFEXCEL_CRA_PRIORITY).
This makes it easier to play with, e.g. during development.
Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch probes the supported algorithms from the hardware and only
registers the ones that the hardware actually supports. This is necessary
because this is a generic driver supposed to run on a wide variety of
engines, which may or may not implement certain algorithms.
Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds support for the AES-XTS skcipher algorithm.
Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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ctx->alg and ctx->mode were set from safexcel_send_req through the
various safexcel_encrypt and _decrypt routines, but this makes little
sense as these are static per ciphersuite. So moved to _init instead,
in preparation of adding more ciphersuites.
Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Record crypto key to context during setkey and set the key to
transform state buffer in encrypt/decrypt process.
Signed-off-by: Vic Wu <vic.wu@mediatek.com>
Tested-by: John Crispin <john@phrozen.og>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds support to OFB/CFB mode.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Vic Wu <vic.wu@mediatek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The driver was treating -EBUSY as indication of queueing to backlog
without checking that backlog is enabled for the request.
Fix it by checking request flags.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Vic Wu <vic.wu@mediatek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add a pre-computed text length to avoid uninitialized value in the check.
Fixes: e47270665b5f ("crypto: mediatek - Add empty messages check in GCM mode")
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Vic Wu <vic.wu@mediatek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Move mtk_aes_find_dev() to right functions as nobody uses the
'cryp' under current flows.
We can also avoid duplicate checks here and there in this way.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Vic Wu <vic.wu@mediatek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Introduce two options to control the use of the tlbie instruction. A
boot time option which completely disables the kernel using the
instruction, this is currently incompatible with HASH MMU, KVM, and
coherent accelerators.
And a debugfs option can be switched at runtime and avoids using tlbie
for invalidating CPU TLBs for normal process and kernel address
mappings. Coherent accelerators are still managed with tlbie, as will
KVM partition scope translations.
Cross-CPU TLB flushing is implemented with IPIs and tlbiel. This is a
basic implementation which does not attempt to make any optimisation
beyond the tlbie implementation.
This is useful for performance testing among other things. For example
in certain situations on large systems, using IPIs may be faster than
tlbie as they can be directed rather than broadcast. Later we may also
take advantage of the IPIs to do more interesting things such as trim
the mm cpumask more aggressively.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190902152931.17840-7-npiggin@gmail.com
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pnv_php is generally used with PCIe bridges which provide a native
interface for setting the attention and power indicator LEDs. Wire up
those interfaces even if firmware does not have support for them (yet...)
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190903101605.2890-11-oohall@gmail.com
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Currently we check that an IODA2 compatible PHB is upstream of this slot.
This is mainly to avoid pnv_php creating slots for the various "virtual
PHBs" that we create for NVLink. There's no real need for this restriction
so allow it on IODA3.
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190903101605.2890-10-oohall@gmail.com
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When performing EEH recovery of devices in a hotplug slot we need to use
the slot driver's ->reset_slot() callback to prevent spurious hotplug
events due to spurious DLActive and PresDet change interrupts. Add a
reset_slot() callback to pnv_php so we can handle recovery of devices
in pnv_php managed slots.
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190903101605.2890-9-oohall@gmail.com
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Leandro Ribeiro
Beatriz Martins de Carvalho
YueHaibing
Shannon Nelson
Rafael J. Wysocki
David S. Miller
Hans de Goede
Daniel Mack
Pascal van Leeuwen
Vic Wu
Ryder Lee
Nicholas Piggin
Oliver O'Halloran