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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
Pull libata changes from Jeff Garzik:
"Minor libata updates, nothing notable.
1) Apply -- and then revert -- the FUA feature. Caused disk
corruption in linux-next, proving it cannot be turned on by
default.
Net effect to upstream tree: zero
2) New AHCI platform driver sata_highbank
3) Improve SCSI MODE SENSE handling; support MODE SELECT
4) AHCI: support aggressive device sleep (power mgmt)
5) sata_fsl: minor fix
6) pata_arasan: clk support"
* tag 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
sata_mv: Fix warnings when no PCI
[libata] Makefile: Fix build error in sata_highbank
[libata] export ata_dev_set_feature()
libata-core: use ATA_LBA in ata_build_rw_tf()
ata/ahci_platform: Add clock framework support
pata_arasan: add Device Tree probing capability
pata_arasan: Add clk_{un}prepare() support
ata: add platform driver for Calxeda AHCI controller
sata_fsl: add workaround for data length mismatch on freescale V2 controller
ahci: implement aggressive SATA device sleep support
ata: define enum constants for IDENTIFY DEVICE
Revert "libata: enable SATA disk fua detection on default"
[libata] scsi: implement MODE SELECT command
[libata] scsi: support MODE SENSE request for changeable and default parameters
[libata] scsi: Remove unlikely() from FUA check
libata: enable SATA disk fua detection on default
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Calxeda highbank SATA phy has intermittent problems bringing up a link
with Gen3 drives. Retrying the phy hard reset can work-around this issue,
but each reset also disables spread spectrum support. The reset function
also needs to reprogram the phy to enable spread spectrum support.
Create a new driver based on ahci_platform to support the Calxeda Highbank
SATA controller.
Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc
Pull spi updates from Mark Brown:
"No framework work here, only a bunch of driver updates of varying
sizes:
- Factoring out of the core hardware support from the MXS MMC driver
by Marek Vasut to allow the hardware to also be used for SPI.
- Lots of error handling cleanups from Guenter Roeck
- Removal of the existing Tegra driver which is quite comprehensively
broken as detailed in the changelog for the removal.
- DT suppport for the PL022 and GPIO drivers.
- pinctrl support for OMAP and PL022."
Pulling from Mark Brown as Grant Likely is still busy moving.
* tag 'spi-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc: (53 commits)
spi: remove completely broken Tegra driver
spi/imx: set the inactive state of the clock according to the clock polarity
spi/pl022: get/put resources on suspend/resume
spi/pl022: use more managed resources
spi/pl022: Devicetree support w/o platform data
spi/s3c64xx: Don't free controller_data on non-dt platforms
spi: omap2-mcspi: add pinctrl support
spi/pl022: adopt pinctrl support
spi: omap2-mcspi: Cleanup the omap2_mcspi_txrx_dma function
spi/gpio: Fix stub for spi_gpio_probe_dt()
spi/mxs: Make the SPI block clock speed configurable via DT
spi: spi-sh-hspi: drop frees of devm_ alloc'd data
spi/pl022: Fix chipselects pointer computation
spi: spi-tle62x0: Use module_spi_driver macro
mxs/spi: Rework the mxs_ssp_timeout to be more readable
mxs/spi: Decrement the DMA/PIO border
mxs/spi: Increment the transfer length only if transfer succeeded
mxs/spi: Fix issues when doing long continuous transfer
spi: spi-gpio: Add DT bindings
spi: spi-gpio: store chipselect information in private structure
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Linux 3.6-rc6
Conflicts:
drivers/spi/spi-omap2-mcspi.c
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Amend the PL022 pin controller to optionally take a pin control
handle and set the state of the pins to "default" on boot and
runtime resume, and to "sleep" at runtime suspend. This way we
will dynamically save power on the SPI busses, for example some
electronic designs may be able to ground the pins when unused
instead of pull-up. Some pin controllers may want to set the
pins as wake-up sources when sleeping.
Effect on platforms using the PL022 driver:
- If the platform does not use pin control - no semantic effect,
the pinctrl stubs will kick in and resolve the situation.
- Platforms using this driver and have pin control but no
function defined for the PL022 need to either supply a
"default" function in their map or enable pinctrl dummies
so the driver is satisfied.
- Platforms using this driver with hogs for setting up the PL022
pin control - stop using hogs to take the pl022 pin control
handle, let the driver handle this.
I'be looked at some platforms that may be affected:
- SPEAr: appears to define the proper functions in their device
trees and not hogging them, so things should be smooth, the
driver will simply start to take its pins.
- Ux500: the proper function is defined and will be taken properly
by the driver. New sleep states introduced by a separate patch to
ux500 but no regression, since the default state is sufficient.
- U300: old hog deleted as part of this patch.
- LPC32xx: does not appear to be using pinctrl.
- ARM Integrator IMPD1, RealView & Versatile: does not use pinctrl.
Tested-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Patrice Chotard <patrice.chotard@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
"A few drivers were updated with device tree bindings and others got a
few small cleanups and fixes."
Fix trivial conflict in drivers/input/keyboard/omap-keypad.c due to
changes clashing with a whitespace cleanup.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (28 commits)
Input: wacom - mark Intuos5 pad as in-prox when touching buttons
Input: synaptics - adjust threshold for treating position values as negative
Input: hgpk - use %*ph to dump small buffer
Input: gpio_keys_polled - fix dt pdata->nbuttons
Input: Add KD[GS]KBDIACRUC ioctls to the compatible list
Input: omap-keypad - fixed formatting
Input: tegra - move platform data header
Input: wacom - add support for EMR on Cintiq 24HD touch
Input: s3c2410_ts - make s3c_ts_pmops const
Input: samsung-keypad - use of_get_child_count() helper
Input: samsung-keypad - use of_match_ptr()
Input: uinput - fix formatting
Input: uinput - specify exact bit sizes on userspace APIs
Input: uinput - mark failed submission requests as free
Input: uinput - fix race that can block nonblocking read
Input: uinput - return -EINVAL when read buffer size is too small
Input: uinput - take event lock when fetching events from buffer
Input: get rid of MATCH_BIT() macro
Input: rotary-encoder - add DT bindings
Input: rotary-encoder - constify platform data pointers
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Prepare first set of updates for 3.7 merge window.
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Linux 3.6-rc4
# gpg: Signature made Sat 01 Sep 2012 10:40:33 AM PDT using RSA key ID 00411886
# gpg: Good signature from "Linus Torvalds <torvalds@linux-foundation.org>"
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Move the Tegra KBC platform data header out of arch/arm/mach-tegra, as
a pre-requisite of single zImage.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pinctrl changes from Linus Walleij:
"Some of this stuff is hitting arch/arm/* and have been ACKed by the
ARM SoC folks, or it's device tree bindings pertaining to the specific
driver.
These are the bulk pinctrl changes for kernel v3.7:
- Add subdrivers for the DB8540 and NHK8815 Nomadik-type ASICs,
provide platform config for the Nomadik.
- Add a driver for the i.MX35.
- Add a driver for the BCM2835, an advanced GPIO expander.
- Various fixes and clean-ups and minor improvements for the core,
Nomadik, pinctr-single, sirf drivers.
- Some platform config for the ux500."
* tag 'pinctrl-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (27 commits)
pinctrl: add bcm2835 driver
pinctrl: clarify idle vs sleep states
pinctrl/nomadik: use irq_find_mapping()
pinctrl: sirf: add lost chained_irq_enter and exit in sirfsoc_gpio_handle_irq
pinctrl: sirf: initialize the irq_chip pointer of pinctrl_gpio_range
pinctrl: sirf: fix spinlock deadlock in sirfsoc_gpio_set_input
pinctrl: sirf: add missing pins to pinctrl list
pinctrl: sirf: fix a typo in sirfsoc_gpio_probe
pinctrl: pinctrl-single: add debugfs pin h/w state info
ARM: ux500: 8500: update I2C sleep states pinctrl
pinctrl: Fix potential memory leak in pinctrl_register_one_pin()
ARM: ux500: tidy up pin sleep modes
ARM: ux500: fix spi2 pin group
pinctrl: imx: remove duplicated const
pinctrl: document semantics vs GPIO
ARM: ux500: 8500: use hsit_a_2 group for HSI
pinctrl: use kasprintf() in pinmux_request_gpio()
pinctrl: pinctrl-single: Add pinctrl-single,bits type of mux
pinctrl/nomadik : add MC1_a_2 pin MC1 function group list
pinctrl: pinctrl-single: Make sure we do not change bits outside of mask
...
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This defines the proper sleep states for all the I2C pins of
the MOP500 DB8500 ASIC setting.
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Patrice Chotard <patrice.chotard@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This named the sleep mode pin configurations as *slpm* rather
than *sleep* to correspond better with the settings from the
datasheet. It also defines an optional sleep mode for the SPI
controller SPI2.
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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GPIO216_AG12 is configured as a gpio for SPI2, so select
the spi2_oc1_2 pin group instead of spi2_oc1_1
Signed-off-by: Patrice Chotard <patrice.chotard@stericsson.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Due to specific constraint, pin HSIT_ACWAKE0_a is
not driven by HSI block but as a GPIO.
Cc: arm@kernel.org
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Patrice Chotard <patrice.chotard@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This converts the Nomadik to using pin control using the
driver for the STN8815 ASIC.
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO changes from Linus Walleij:
"So this is the LW GPIO patch stack for v3.7:
- refactoring from Thierry Redding at Arnd Bergmann's request to use
the seq_file iterator interface in gpiolib.
- A new driver for Avionic Design's N-bit GPIO expander.
- Two instances of mutexes replaced by spinlocks from Axel Lin to
code that is supposed to be fastpath compliant.
- IRQ demuxer and gpio_to_irq() support for pcf857x by Kuninori
Morimoto.
- Dynamic GPIO numbers, device tree support, daisy chaining and some
other fixes for the 74x164 driver by Maxime Ripard.
- IRQ domain and device tree support for the tc3589x driver by Lee
Jones.
- Some conversion to use managed resources devm_* code.
- Some instances of clk_prepare() or clk_prepare_enable() added to
support the new, stricter common clock framework.
- Some for_each_set_bit() simplifications.
- Then a lot of fixes as we fixed up all of the above tripping over
our own shoelaces and that kind of thing."
* tag 'gpio-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (34 commits)
gpio: pcf857x: select IRQ_DOMAIN
gpio: Document device_node's det_debounce
gpio-lpc32xx: Add GPI_28
gpio: adnp: dt: Reference generic interrupt binding
gpio: Add Avionic Design N-bit GPIO expander support
gpio: pxa: using for_each_set_bit to simplify the code
gpio_msm: using for_each_set_bit to simplify the code
gpio: Enable the tc3298x GPIO expander driver for Device Tree
gpio: Provide the tc3589x GPIO expander driver with an IRQ domain
ARM: shmobile: kzm9g: use gpio-keys instead of gpio-keys-polled
gpio: pcf857x: fixup smatch WARNING
gpio: 74x164: Add support for the daisy-chaining
gpio: 74x164: dts: Add documentation for the dt binding
dt: Fix incorrect reference in gpio-led documentation
gpio: 74x164: Add device tree support
gpio: 74x164: Use dynamic gpio number assignment if no pdata is present
gpio: 74x164: Use devm_kzalloc
gpio: 74x164: Use module_spi_driver boiler plate function
gpio: sx150x: Use irq_data_get_irq_chip_data() at appropriate places
gpio: em: Use irq_data_get_irq_chip_data() at appropriate places
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6e20a0a429bd4dc07d6de16d9c247270e04e4aa0
(gpio: pcf857x: enable gpio_to_irq() support) supports
gpio_to_irq() on pcf857x driver.
Now, we can use gpio-keys driver instead of gpio-keys-polled.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Pull networking changes from David Miller:
1) GRE now works over ipv6, from Dmitry Kozlov.
2) Make SCTP more network namespace aware, from Eric Biederman.
3) TEAM driver now works with non-ethernet devices, from Jiri Pirko.
4) Make openvswitch network namespace aware, from Pravin B Shelar.
5) IPV6 NAT implementation, from Patrick McHardy.
6) Server side support for TCP Fast Open, from Jerry Chu and others.
7) Packet BPF filter supports MOD and XOR, from Eric Dumazet and Daniel
Borkmann.
8) Increate the loopback default MTU to 64K, from Eric Dumazet.
9) Use a per-task rather than per-socket page fragment allocator for
outgoing networking traffic. This benefits processes that have very
many mostly idle sockets, which is quite common.
From Eric Dumazet.
10) Use up to 32K for page fragment allocations, with fallbacks to
smaller sizes when higher order page allocations fail. Benefits are
a) less segments for driver to process b) less calls to page
allocator c) less waste of space.
From Eric Dumazet.
11) Allow GRO to be used on GRE tunnels, from Eric Dumazet.
12) VXLAN device driver, one way to handle VLAN issues such as the
limitation of 4096 VLAN IDs yet still have some level of isolation.
From Stephen Hemminger.
13) As usual there is a large boatload of driver changes, with the scale
perhaps tilted towards the wireless side this time around.
Fix up various fairly trivial conflicts, mostly caused by the user
namespace changes.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1012 commits)
hyperv: Add buffer for extended info after the RNDIS response message.
hyperv: Report actual status in receive completion packet
hyperv: Remove extra allocated space for recv_pkt_list elements
hyperv: Fix page buffer handling in rndis_filter_send_request()
hyperv: Fix the missing return value in rndis_filter_set_packet_filter()
hyperv: Fix the max_xfer_size in RNDIS initialization
vxlan: put UDP socket in correct namespace
vxlan: Depend on CONFIG_INET
sfc: Fix the reported priorities of different filter types
sfc: Remove EFX_FILTER_FLAG_RX_OVERRIDE_IP
sfc: Fix loopback self-test with separate_tx_channels=1
sfc: Fix MCDI structure field lookup
sfc: Add parentheses around use of bitfield macro arguments
sfc: Fix null function pointer in efx_sriov_channel_type
vxlan: virtual extensible lan
igmp: export symbol ip_mc_leave_group
netlink: add attributes to fdb interface
tg3: unconditionally select HWMON support when tg3 is enabled.
Revert "net: ti cpsw ethernet: allow reading phy interface mode from DT"
gre: fix sparse warning
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Conflicts:
drivers/net/team/team.c
drivers/net/usb/qmi_wwan.c
net/batman-adv/bat_iv_ogm.c
net/ipv4/fib_frontend.c
net/ipv4/route.c
net/l2tp/l2tp_netlink.c
The team, fib_frontend, route, and l2tp_netlink conflicts were simply
overlapping changes.
qmi_wwan and bat_iv_ogm were of the "use HEAD" variety.
With help from Antonio Quartulli.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is a follow-up for patch "filter: add XOR instruction for use
with X/K" that implements BPF SPARC JIT parts for the BPF XOR operation.
Signed-off-by: Daniel Borkmann <daniel.borkmann@tik.ee.ethz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is a follow-up for patch "filter: add XOR instruction for use
with X/K" that implements BPF x86 JIT parts for the BPF XOR operation.
Signed-off-by: Daniel Borkmann <daniel.borkmann@tik.ee.ethz.ch>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Conflicts:
net/netfilter/nfnetlink_log.c
net/netfilter/xt_LOG.c
Rather easy conflict resolution, the 'net' tree had bug fixes to make
sure we checked if a socket is a time-wait one or not and elide the
logging code if so.
Whereas on the 'net-next' side we are calculating the UID and GID from
the creds using different interfaces due to the user namespace changes
from Eric Biederman.
Signed-off-by: David S. Miller <davem@davemloft.net>
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commit b6069a9570 (filter: add MOD operation) added generic
support for modulus operation in BPF.
This patch brings JIT support for x86_64
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: George Bakos <gbakos@alpinista.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It was scheduled to be removed for a long time.
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netfilter@vger.kernel.org
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Pull sparc updates from David Miller:
"Largely this is simply adding support for the Niagara 4 cpu.
Major areas are perf events (chip now supports 4 counters and can
monitor any event on each counter), crypto (opcodes are availble for
sha1, sha256, sha512, md5, crc32c, AES, DES, CAMELLIA, and Kasumi
although the last is unsupported since we lack a generic crypto layer
Kasumi implementation), and an optimized memcpy.
Finally some cleanups by Peter Senna Tschudin."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next: (47 commits)
sparc64: Fix trailing whitespace in NG4 memcpy.
sparc64: Fix comment type in NG4 copy from user.
sparc64: Add SPARC-T4 optimized memcpy.
drivers/sbus/char: removes unnecessary semicolon
arch/sparc/kernel/pci_sun4v.c: removes unnecessary semicolon
sparc64: Fix function argument comment in camellia_sparc64_key_expand asm.
sparc64: Fix IV handling bug in des_sparc64_cbc_decrypt
sparc64: Add auto-loading mechanism to crypto-opcode drivers.
sparc64: Add missing pr_fmt define to crypto opcode drivers.
sparc64: Adjust crypto priorities.
sparc64: Use cpu_pgsz_mask for linear kernel mapping config.
sparc64: Probe cpu page size support more portably.
sparc64: Support 2GB and 16GB page sizes for kernel linear mappings.
sparc64: Fix bugs in unrolled 256-bit loops.
sparc64: Avoid code duplication in crypto assembler.
sparc64: Unroll CTR crypt loops in AES driver.
sparc64: Unroll ECB decryption loops in AES driver.
sparc64: Unroll ECB encryption loops in AES driver.
sparc64: Add ctr mode support to AES driver.
sparc64: Move AES driver over to a methods based implementation.
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Noticed by Greg Onufer.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Before After
-------------- --------------
bw_tcp: 1288.53 MB/sec 1637.77 MB/sec
bw_pipe: 1517.18 MB/sec 2107.61 MB/sec
bw_unix: 1838.38 MB/sec 2640.91 MB/sec
make -s -j128
allmodconfig 5min 49sec 5min 31sec
Signed-off-by: David S. Miller <davem@davemloft.net>
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removes unnecessary semicolon
Found by Coccinelle: http://coccinelle.lip6.fr/
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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The IV wasn't being propagated properly past the first loop
iteration.
This bug lived only because the crypto layer tests for
cbc(des) do not have any cases that go more than one loop.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Just simply provide a device table containing an entry for sun4v cpus,
the capability mask checks in the drivers themselves will take care of
the rest.
This makes the bootup logs on pre-T4 cpus slightly more verbose, with
each driver indicating lack of support for the associated opcode(s).
But this isn't too much of a real problem.
I toyed with the idea of using explicit entries with compatability
fields of "SPARC-T4", "SPARC-T5", etc. but all future cpus will have
some subset of these opcodes available and this would just be one more
pointless thing to do as each new cpu is released with a new string.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The hashes and crc32c had it, only the AES/DES/CAMELLIA drivers were
missing it.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the crypto opcode implementations have a higher priority than
those provides by the ring buffer based Niagara crypto device.
Also, several crypto opcode hashes were not setting the priority value
at all.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This required a little bit of reordering of how we set up the memory
management early on.
We now only know the final values of kern_linear_pte_xor[] after we
take over the trap table and start processing TLB misses ourselves.
So once we fill those values in we re-clear the kernel's 4M TSB and
flush the TLBs. That way if we find we support larger than 4M pages
we won't have any stale smaller page size entries in the TSB.
SUN4U Panther support for larger page sizes should now be extremely
trivial but I have no hardware on which to test it and I believe
that some of the sun4u TLB miss assembler needs to be audited first
to make sure it really can handle larger than 4M PTEs properly.
Signed-off-by: David S. Miller <davem@davemloft.net>
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On sun4v, interrogate the machine description. This code is extremely
defensive in nature, and a lot of the checks can probably be removed.
On sun4u things are a lot simpler. There are the page sizes all chips
support, and then Panther adds 32MB and 256MB pages.
Report the probed value in /proc/cpuinfo
Signed-off-by: David S. Miller <davem@davemloft.net>
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SPARC-T4 supports 2GB pages.
So convert kpte_linear_bitmap into an array of 2-bit values which
index into kern_linear_pte_xor.
Now kern_linear_pte_xor is used for 4 page size aligned regions,
4MB, 256MB, 2GB, and 16GB respectively.
Enabling 2GB pages is currently hardcoded using a check against
sun4v_chip_type. In the future this will be done more cleanly
by interrogating the machine description which is the correct
way to determine this kind of thing.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some dm-crypt testing revealed several bugs in the 256-bit unrolled
loops.
The DECRYPT_256_2() macro had two errors:
1) Missing reload of KEY registers %f60 and %f62
2) Missing "\" in penultimate line of definition.
In aes_sparc64_ecb_decrypt_256, we were storing the second half of the
encryption result from the wrong source registers.
In aes_sparc64_ctr_crypt_256 we have to be careful when we fall out of
the 32-byte-at-a-time loop and handle a trailing 16-byte chunk. In
that case we've clobbered the final key holding registers and have to
restore them before executing the ENCRYPT_256() macro. Inside of the
32-byte-at-a-time loop things are OK, because we do this key register
restoring during the first few rounds of the ENCRYPT_256_2() macro.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Put the opcode macros in a common header
Signed-off-by: David S. Miller <davem@davemloft.net>
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Before:
testing speed of ctr(aes) encryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 206 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 244 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 360 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 814 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 5021 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 206 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 240 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 378 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 939 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 6395 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 209 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 249 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 414 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 1073 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 7110 cycles (8192 bytes)
testing speed of ctr(aes) decryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 225 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 233 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 344 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 810 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 5021 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 206 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 240 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 376 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 938 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 6380 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 214 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 251 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 411 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 1070 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 7114 cycles (8192 bytes)
After:
testing speed of ctr(aes) encryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 211 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 246 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 344 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 799 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 4975 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 210 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 236 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 365 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 888 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 6055 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 209 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 255 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 404 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 1010 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 6669 cycles (8192 bytes)
testing speed of ctr(aes) decryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 210 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 233 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 340 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 818 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 4956 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 206 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 239 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 361 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 888 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 5996 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 214 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 248 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 395 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 1010 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 6664 cycles (8192 bytes)
Signed-off-by: David S. Miller <davem@davemloft.net>
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Before:
testing speed of ecb(aes) decryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 223 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 230 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 325 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 719 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 4266 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 211 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 234 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 353 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 808 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 5344 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 214 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 243 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 393 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 939 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 6039 cycles (8192 bytes)
After:
testing speed of ecb(aes) decryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 226 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 231 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 313 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 681 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 3964 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 205 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 240 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 341 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 770 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 5050 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 216 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 250 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 371 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 869 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 5494 cycles (8192 bytes)
Signed-off-by: David S. Miller <davem@davemloft.net>
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The AES opcodes have a 3 cycle latency, so by doing 32-bytes at a
time we avoid a pipeline bubble in between every round.
For the 256-bit key case, it looks like we're doing more work in
order to reload the KEY registers during the loop to make space
for scarce temporaries. But the load dual issues with the AES
operations so we get the KEY reloads essentially for free.
Before:
testing speed of ecb(aes) encryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 264 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 231 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 329 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 715 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 4248 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 221 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 234 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 359 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 803 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 5366 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 209 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 255 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 379 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 938 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 6041 cycles (8192 bytes)
After:
testing speed of ecb(aes) encryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 266 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 256 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 305 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 676 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 3981 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 210 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 233 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 340 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 766 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 5136 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 206 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 268 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 368 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 890 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 5718 cycles (8192 bytes)
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of testing and branching off of the key size on every
encrypt/decrypt call, use method ops assigned at key set time.
Reverse the order of float registers used for decryption to make
future changes easier.
Align all assembler routines on a 32-byte boundary.
Signed-off-by: David S. Miller <davem@davemloft.net>
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On SPARC-T4 fsrc2 has 1 cycle of latency, whereas fsrc1 has 11 cycles.
True story.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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