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commit 27c5fb7a84242b66bf1e0b2fe6bf40d19bcc5c04 upstream.
GFP_ATOMIC memory allocation could fail.
In this case, avoid NULL pointer dereference and notify user.
Cc: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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All OMAP IP blocks expect LE data, but CPU may operate in BE mode.
Need to use endian neutral functions to read/write h/w registers.
I.e instead of __raw_read[lw] and __raw_write[lw] functions code
need to use read[lw]_relaxed and write[lw]_relaxed functions.
If the first simply reads/writes register, the second will byteswap
it if host operates in BE mode.
Changes are trivial sed like replacement of __raw_xxx functions
with xxx_relaxed variant.
Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org>
Signed-off-by: Taras Kondratiuk <taras.kondratiuk@linaro.org>
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All OMAP IP blocks expect LE data, but CPU may operate in BE mode.
Need to use endian neutral functions to read/write h/w registers.
I.e instead of __raw_read[lw] and __raw_write[lw] functions code
need to use read[lw]_relaxed and write[lw]_relaxed functions.
If the first simply reads/writes register, the second will byteswap
it if host operates in BE mode.
Changes are trivial sed like replacement of __raw_xxx functions
with xxx_relaxed variant.
Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org>
Signed-off-by: Taras Kondratiuk <taras.kondratiuk@linaro.org>
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The powerpc specific nx-842 compression driver does not currently
handle translating a vmalloc address to a physical address.
The current driver uses __pa() for all addresses which does not
properly handle vmalloc addresses and thus causes a failure since
we do not pass a proper physical address to the hypervisor.
This patch adds a routine to convert an address to a physical
address by checking for vmalloc addresses and handling them properly.
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
---
drivers/crypto/nx/nx-842.c | 29 +++++++++++++++++++----------
1 file changed, 19 insertions(+), 10 deletions(-)
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM driver updates from Olof Johansson:
"Updates of SoC-near drivers and other driver updates that makes more
sense to take through our tree.
The largest part of this is a conversion of device registration for
some renesas shmobile/sh devices over to use resources. This has
required coordination with the corresponding arch/sh changes, and
we've agreed to merge the arch/sh changes through our tree.
Added in this branch is support for Trusted Foundations secure
firmware, which is what is used on many of the commercial Nvidia Tegra
products that are in the market, including the Nvidia Shield. The
code is local to arch/arm at this time since it's uncertain whether it
will be shared with arm64 longer-term, if needed we will refactor
later.
A couple of new RTC drivers used on ARM boards, merged through our
tree on request by the RTC maintainer.
... plus a bunch of smaller updates across the board, gpio conversions
for davinci, etc"
* tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (45 commits)
watchdog: davinci: rename platform driver to davinci-wdt
tty: serial: Limit msm_serial_hs driver to platforms that use it
mmc: msm_sdcc: Limit driver to platforms that use it
usb: phy: msm: Move mach dependent code to platform data
clk: versatile: fixup IM-PD1 clock implementation
clk: versatile: pass a name to ICST clock provider
ARM: integrator: pass parent IRQ to the SIC
irqchip: versatile FPGA: support cascaded interrupts from DT
gpio: davinci: don't create irq_domain in case of unbanked irqs
gpio: davinci: use chained_irq_enter/chained_irq_exit API
gpio: davinci: add OF support
gpio: davinci: remove unused variable intc_irq_num
gpio: davinci: convert to use irqdomain support.
gpio: introduce GPIO_DAVINCI kconfig option
gpio: davinci: get rid of DAVINCI_N_GPIO
gpio: davinci: use {readl|writel}_relaxed() instead of __raw_*
serial: sh-sci: Add OF support
serial: sh-sci: Add device tree bindings documentation
serial: sh-sci: Remove platform data mapbase and irqs fields
serial: sh-sci: Remove platform data scbrr_algo_id field
...
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Pull crypto update from Herbert Xu:
"Here is the crypto update for 3.14:
- Improved crypto_memneq helper
- Use cyprto_memneq in arch-specific crypto code
- Replaced orphaned DCP driver with Freescale MXS DCP driver
- Added AVX/AVX2 version of AESNI-GCM encode and decode
- Added AMD Cryptographic Coprocessor (CCP) driver
- Misc fixes"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (41 commits)
crypto: aesni - fix build on x86 (32bit)
crypto: mxs - Fix sparse non static symbol warning
crypto: ccp - CCP device enabled/disabled changes
crypto: ccp - Cleanup hash invocation calls
crypto: ccp - Change data length declarations to u64
crypto: ccp - Check for caller result area before using it
crypto: ccp - Cleanup scatterlist usage
crypto: ccp - Apply appropriate gfp_t type to memory allocations
crypto: drivers - Sort drivers/crypto/Makefile
ARM: mxs: dts: Enable DCP for MXS
crypto: mxs - Add Freescale MXS DCP driver
crypto: mxs - Remove the old DCP driver
crypto: ahash - Fully restore ahash request before completing
crypto: aesni - fix build on x86 (32bit)
crypto: talitos - Remove redundant dev_set_drvdata
crypto: ccp - Remove redundant dev_set_drvdata
crypto: crypto4xx - Remove redundant dev_set_drvdata
crypto: caam - simplify and harden key parsing
crypto: omap-sham - Fix Polling mode for larger blocks
crypto: tcrypt - Added speed tests for AEAD crypto alogrithms in tcrypt test suite
...
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Fixes the following sparse warning:
drivers/crypto/mxs-dcp.c:103:1: warning:
symbol 'global_mutex' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The CCP cannot be hot-plugged so it will either be there
or it won't. Do not allow the driver to stay loaded if the
CCP does not successfully initialize.
Provide stub routines in the ccp.h file that return -ENODEV
if the CCP has not been configured in the build.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Cleanup the ahash digest invocations to check the init
return code and make use of the finup routine.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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When performing a hash operation if the amount of data buffered and a
request at or near the maximum data length is received then the length
calcuation could wrap causing an error in executing the hash operation.
Fix this by using a u64 type for the input and output data lengths in
all CCP operations.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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For a hash operation, the caller doesn't have to supply a result
area on every call so don't use it / update it if it hasn't
been supplied.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Cleanup up the usage of scatterlists to make the code cleaner
and avoid extra memory allocations when not needed.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Fix some memory allocations to use the appropriate gfp_t type based
on the CRYPTO_TFM_REQ_MAY_SLEEP flag.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The order in the Makefile was a mess, sort it.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add support for the MXS DCP block. The driver currently supports
SHA-1/SHA-256 hashing and AES-128 CBC/ECB modes. The non-standard
CRC32 is not yet supported.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Remove the old DCP driver as it had multiple severe issues. The driver
will be replaced by a more robust implementation. Here is a short list
of problems with this driver:
1) It only supports AES_CBC
2) The driver was apparently never ran behind anyone working with MXS. ie.:
-> Restarting the DCP block is not done via mxs_reset_block()
-> The DT name is not "fsl,dcp" or "fsl,mxs-dcp" as other MXS drivers
3) Introduces new ad-hoc IOCTLs
4) The IRQ handler can't use usual completion() in the driver because that'd
trigger "scheduling while atomic" oops, yes?
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/drivers
From Sekhar Nori:
DaVinci GPIO driver updates
---------------------------
This pull request contains updates to DaVinci GPIO driver and the
resultant platform code changes. The updates include DT-conversion and
changes to make the driver cross-platform ready.
* tag 'davinci-for-v3.14/gpio' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
gpio: davinci: don't create irq_domain in case of unbanked irqs
gpio: davinci: use chained_irq_enter/chained_irq_exit API
gpio: davinci: add OF support
gpio: davinci: remove unused variable intc_irq_num
gpio: davinci: convert to use irqdomain support.
gpio: introduce GPIO_DAVINCI kconfig option
gpio: davinci: get rid of DAVINCI_N_GPIO
gpio: davinci: use {readl|writel}_relaxed() instead of __raw_*
Signed-off-by: Olof Johansson <olof@lixom.net>
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drivers/crypto/ixp4xx_crypto.c: In function 'ixp_module_init':
drivers/crypto/ixp4xx_crypto.c:1419:2: error: 'dev' undeclared (first use in this function)
Now builds. Not tested on real hw.
Signed-off-by: Krzysztof Hałasa <khalasa@piap.pl>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Driver core sets it to NULL upon probe failure or release.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Driver core sets it to NULL upon probe failure or release.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Driver core sets it to NULL upon probe failure or release.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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next/drivers
From Nicolas Ferre:
AT91 crypto drivers DT support:
- add DT to sha/des/aes existing drivers
- add DMA DT
- all documentation added to crypto/atmel-crypto.txt file
* tag 'at91-drivers' of git://github.com/at91linux/linux-at91:
crypto: atmel-sha - add sha information to the log
crypto: atmel-sha - add support for Device Tree
crypto: atmel-tdes - add support for Device Tree
crypto: atmel-aes - add support for Device Tree
Signed-off-by: Olof Johansson <olof@lixom.net>
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Use the common helper function crypto_authenc_extractkeys() for key
parsing.
Also fix the key buffer overflow condition: use split key pad length
instead of authentication key length.
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Command "tcrypt sec=1 mode=403" give the follwoing error for Polling
mode:
root@am335x-evm:/# insmod tcrypt.ko sec=1 mode=403
[...]
[ 346.982754] test 15 ( 4096 byte blocks, 1024 bytes per update, 4 updates): 4352 opers/sec, 17825792 bytes/sec
[ 347.992661] test 16 ( 4096 byte blocks, 4096 bytes per update, 1 updates): 7095 opers/sec, 29061120 bytes/sec
[ 349.002667] test 17 ( 8192 byte blocks, 16 bytes per update, 512 updates):
[ 349.010882] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[ 349.020037] pgd = ddeac000
[ 349.022884] [00000000] *pgd=9dcb4831, *pte=00000000, *ppte=00000000
[ 349.029816] Internal error: Oops: 17 [#1] PREEMPT SMP ARM
[ 349.035482] Modules linked in: tcrypt(+)
[ 349.039617] CPU: 0 PID: 1473 Comm: insmod Not tainted 3.12.4-01566-g6279006-dirty #38
[ 349.047832] task: dda91540 ti: ddcd2000 task.ti: ddcd2000
[ 349.053517] PC is at omap_sham_xmit_dma+0x6c/0x238
[ 349.058544] LR is at omap_sham_xmit_dma+0x38/0x238
[ 349.063570] pc : [<c04eb7cc>] lr : [<c04eb798>] psr: 20000013
[ 349.063570] sp : ddcd3c78 ip : 00000000 fp : 9d8980b8
[ 349.075610] r10: 00000000 r9 : 00000000 r8 : 00000000
[ 349.081090] r7 : 00001000 r6 : dd898000 r5 : 00000040 r4 : ddb10550
[ 349.087935] r3 : 00000004 r2 : 00000010 r1 : 53100080 r0 : 00000000
[ 349.094783] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
[ 349.102268] Control: 10c5387d Table: 9deac019 DAC: 00000015
[ 349.108294] Process insmod (pid: 1473, stack limit = 0xddcd2248)
[...]
This is because polling_mode is not enabled for ctx without FLAGS_FINUP.
For polling mode the bufcnt is made 0 unconditionally. But it should be made 0
only if it is a final update or a total is not zero(This condition is similar
to what is done in DMA case). Because of this wrong hashes are produced.
Fixing the same.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Remove the pr_err calls that are issued during parameter
checking in some AES operations. This will eliminate the
possibility of filling up syslog through these paths.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Update the Kconfig to include PCI on the 'depends on'
and add 'select HW_RANDOM' to insure the necessary PCI
and HW_RANDOM functions are available/included in the
build.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The sha initialization data generated the following sparse warnings:
sparse: incorrect type in initializer (different base types)
expected unsigned int
got restricted __be32 [usertype] <noident>
Change the initialization data type from u32 to __be32.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Depending on peripheral capabilities, print SHA information at the end
of the probe function.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add support for Device Tree and use of the DMA DT API to
get the channels if needed.
Documentation is added for these DT nodes.
Initial code by: Nicolas Royer and Eukrea.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add support for Device Tree and use of the DMA DT API to
get the channels if needed.
Documentation is added for these DT nodes.
Initial code by: Nicolas Royer and Eukrea.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add support for Device Tree and use of the DMA DT API to
get the needed channels.
Documentation is added for these DT nodes.
Initial code by: Nicolas Royer and Eukrea.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
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drivers/crypto/ccp/ccp-crypto-aes.c:344:1-7: Replace memcpy with struct assignment
drivers/crypto/ccp/ccp-crypto-sha.c:398:1-7: Replace memcpy with struct assignment
drivers/crypto/ccp/ccp-dev.c:578:2-3: Unneeded semicolon
/c/kernel-tests/src/cocci/drivers/crypto/ccp/ccp-dev.c:565:2-3: Unneeded semicolon
Generated by: coccinelle/misc/memcpy-assign.cocci
CC: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The AES driver currently assumes that pm_runtime_get_sync will always
succeed, which may not always be true, so add error handling for the
same.
This scenario was reported in the following bug:
place. https://bugzilla.kernel.org/show_bug.cgi?id=66441
Reported-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Commit 3e721aeb3df3816e283ab18e327cd4652972e213
("crypto: talitos - handle descriptor not found in error path")
tried to address the fact that CDPR (Current Descriptor Pointer Register)
is unreliable.
As it turns out, there are still issues in the function detecting the
offending descriptor:
-only 32 bits of the descriptor address are read, however the address is
36-bit - since reset_channel() initializes channels with EAE (extended
address) bit set
-reading CDPR can return zero in cur_desc; when searching the channel
fifo for this address, cur_desc == dma_desc (= 0) case might happen,
leading to an oops when trying to return desc->hdr (desc is zero)
-read channel's .tail only once; the tail is a moving target; use a
local variable for the end of search condition
Signed-off-by: Lei Xu <Lei.Xu@freescale.com>
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Tested-by: Kalyani Chowdhury <Kalyani.Chowdhury@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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In omap_sham_probe() and omap_sham_remove(), 'dd->dma_lch'
is released without checking to see if it was successfully
requested or not. This is a bug and was identified and
reported by Dan Carpenter here:
http://www.spinics.net/lists/devicetree/msg11023.html
Add code to only release 'dd->dma_lch' when its not NULL
(that is, when it was successfully requested).
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
CC: Joel Fernandes <joelf@ti.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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These files provide the ability to configure and build the
AMD CCP device driver and crypto API support.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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These routines provide crypto API support for SHA1, SHA224 and SHA256
on the AMD CCP. HMAC support for these SHA modes is also provided.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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These routines provide crypto API support for the XTS-AES mode of AES
on the AMD CCP.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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These routines provide crypto API support for the CMAC mode of AES
on the AMD CCP.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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These routines provide crypto API support for AES on the AMD CCP.
Support for AES modes: ECB, CBC, OFB, CFB and CTR
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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These routines provide the support for the interface between the crypto API
and the AMD CCP. This includes insuring that requests associated with a
given tfm on the same cpu are processed in the order received.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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These routines provide the device driver support for the AMD
Cryptographic Coprocessor (CCP).
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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For aead case when source and destination buffers are different,
there is an incorrect assumption that the source length includes the ICV
length. Fix this, since it leads to an oops when using sg_count() to
find the number of nents in the scatterlist:
Unable to handle kernel paging request for data at address 0x00000004
Faulting instruction address: 0xf2265a28
Oops: Kernel access of bad area, sig: 11 [#1]
SMP NR_CPUS=8 P2020 RDB
Modules linked in: talitos(+)
CPU: 1 PID: 2187 Comm: cryptomgr_test Not tainted 3.11.0 #12
task: c4e72e20 ti: ef634000 task.ti: ef634000
NIP: f2265a28 LR: f2266ad8 CTR: c000c900
REGS: ef635bb0 TRAP: 0300 Not tainted (3.11.0)
MSR: 00029000 <CE,EE,ME> CR: 42042084 XER: 00000000
DEAR: 00000004, ESR: 00000000
GPR00: f2266e10 ef635c60 c4e72e20 00000001 00000014 ef635c69 00000001 c11f3082
GPR08: 00000010 00000000 00000002 2f635d58 22044084 00000000 00000000 c0755c80
GPR16: c4bf1000 ef784000 00000000 00000000 00000020 00000014 00000010 ef2f6100
GPR24: ef2f6200 00000024 ef143210 ef2f6000 00000000 ef635d58 00000000 2f635d58
NIP [f2265a28] sg_count+0x1c/0xb4 [talitos]
LR [f2266ad8] talitos_edesc_alloc+0x12c/0x410 [talitos]
Call Trace:
[ef635c60] [c0552068] schedule_timeout+0x148/0x1ac (unreliable)
[ef635cc0] [f2266e10] aead_edesc_alloc+0x54/0x64 [talitos]
[ef635ce0] [f22680f0] aead_encrypt+0x24/0x70 [talitos]
[ef635cf0] [c024b948] __test_aead+0x494/0xf68
[ef635e20] [c024d54c] test_aead+0x64/0xcc
[ef635e40] [c024d604] alg_test_aead+0x50/0xc4
[ef635e60] [c024c838] alg_test+0x10c/0x2e4
[ef635ee0] [c0249d1c] cryptomgr_test+0x4c/0x54
[ef635ef0] [c005d598] kthread+0xa8/0xac
[ef635f40] [c000e3bc] ret_from_kernel_thread+0x5c/0x64
Instruction dump:
81230024 552807fe 0f080000 5523003a 4bffff24 39000000 2c040000 99050000
408100a0 7c691b78 38c00001 38600000 <80e90004> 38630001 8109000c 70ea0002
---[ end trace 4498123cd8478591 ]---
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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For aead case when source and destination buffers are different,
there is an incorrect assumption that the source length includes the ICV
length. Fix this, since it leads to an oops when using sg_count() to
find the number of nents in the scatterlist:
Unable to handle kernel paging request for data at address 0x00000004
Faulting instruction address: 0xf91f7634
Oops: Kernel access of bad area, sig: 11 [#1]
SMP NR_CPUS=8 P4080 DS
Modules linked in: caamalg(+) caam_jr caam
CPU: 1 PID: 1053 Comm: cryptomgr_test Not tainted 3.11.0 #16
task: eeb24ab0 ti: eeafa000 task.ti: eeafa000
NIP: f91f7634 LR: f91f7f24 CTR: f91f7ef0
REGS: eeafbbc0 TRAP: 0300 Not tainted (3.11.0)
MSR: 00029002 <CE,EE,ME> CR: 44044044 XER: 00000000
DEAR: 00000004, ESR: 00000000
GPR00: f91f7f24 eeafbc70 eeb24ab0 00000002 ee8e0900 ee8e0800 00000024 c45c4462
GPR08: 00000010 00000000 00000014 0c0e4000 24044044 00000000 00000000 c0691590
GPR16: eeab0000 eeb23000 00000000 00000000 00000000 00000001 00000001 eeafbcc8
GPR24: 000000d1 00000010 ee2d5000 ee49ea10 ee49ea10 ee46f640 ee46f640 c0691590
NIP [f91f7634] aead_edesc_alloc.constprop.14+0x144/0x780 [caamalg]
LR [f91f7f24] aead_encrypt+0x34/0x288 [caamalg]
Call Trace:
[eeafbc70] [a1004000] 0xa1004000 (unreliable)
[eeafbcc0] [f91f7f24] aead_encrypt+0x34/0x288 [caamalg]
[eeafbcf0] [c020d77c] __test_aead+0x3ec/0xe20
[eeafbe20] [c020f35c] test_aead+0x6c/0xe0
[eeafbe40] [c020f420] alg_test_aead+0x50/0xd0
[eeafbe60] [c020e5e4] alg_test+0x114/0x2e0
[eeafbee0] [c020bd1c] cryptomgr_test+0x4c/0x60
[eeafbef0] [c0047058] kthread+0xa8/0xb0
[eeafbf40] [c000eb0c] ret_from_kernel_thread+0x5c/0x64
Instruction dump:
69084321 7d080034 5508d97e 69080001 0f080000 81290024 552807fe 0f080000
3a600001 5529003a 2f8a0000 40dd0028 <80e90004> 3ab50001 8109000c 70e30002
---[ end trace b3c3e23925c7484e ]---
While here, add a tcrypt mode for making it easy to test authenc
(needed for triggering case above).
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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talitos does not handle well zero-length assoc data. From dmesg:
talitos ffe30000.crypto: master data transfer error
talitos ffe30000.crypto: gather return/length error
Check whether assoc data is provided by inspecting assoclen,
not assoc pointer.
This is needed in order to pass testmgr tests.
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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linuxnext currently doesn't compile with the powerpc mpc85xx_defconfig
giving:
drivers/crypto/caam/jr.c: In function 'caam_jr_probe':
drivers/crypto/caam/jr.c:468:2: error: implicit declaration of function 'of_iomap' [-Werror=implicit-function-declaration]
In:
commit 313ea293e9c4d1eabcaddd2c0800f083b03c2a2e
Author: Ruchika Gupta <ruchika.gupta@freescale.com>
crypto: caam - Add Platform driver for Job Ring
We added a reference to of_iomap but did add the necessary include file.
The below adds this include.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Acked-by: Ruchika Gupta <ruchika.gupta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Pull crypto update from Herbert Xu:
- Made x86 ablk_helper generic for ARM
- Phase out chainiv in favour of eseqiv (affects IPsec)
- Fixed aes-cbc IV corruption on s390
- Added constant-time crypto_memneq which replaces memcmp
- Fixed aes-ctr in omap-aes
- Added OMAP3 ROM RNG support
- Add PRNG support for MSM SoC's
- Add and use Job Ring API in caam
- Misc fixes
[ NOTE! This pull request was sent within the merge window, but Herbert
has some questionable email sending setup that makes him public enemy
#1 as far as gmail is concerned. So most of his emails seem to be
trapped by gmail as spam, resulting in me not seeing them. - Linus ]
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (49 commits)
crypto: s390 - Fix aes-cbc IV corruption
crypto: omap-aes - Fix CTR mode counter length
crypto: omap-sham - Add missing modalias
padata: make the sequence counter an atomic_t
crypto: caam - Modify the interface layers to use JR API's
crypto: caam - Add API's to allocate/free Job Rings
crypto: caam - Add Platform driver for Job Ring
hwrng: msm - Add PRNG support for MSM SoC's
ARM: DT: msm: Add Qualcomm's PRNG driver binding document
crypto: skcipher - Use eseqiv even on UP machines
crypto: talitos - Simplify key parsing
crypto: picoxcell - Simplify and harden key parsing
crypto: ixp4xx - Simplify and harden key parsing
crypto: authencesn - Simplify key parsing
crypto: authenc - Export key parsing helper function
crypto: mv_cesa: remove deprecated IRQF_DISABLED
hwrng: OMAP3 ROM Random Number Generator support
crypto: sha256_ssse3 - also test for BMI2
crypto: mv_cesa - Remove redundant of_match_ptr
crypto: sahara - Remove redundant of_match_ptr
...
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Use this new function to make code more comprehensible, since we are
reinitialzing the completion, not initializing.
[akpm@linux-foundation.org: linux-next resyncs]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org> (personally at LCE13)
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull DMA mask updates from Russell King:
"This series cleans up the handling of DMA masks in a lot of drivers,
fixing some bugs as we go.
Some of the more serious errors include:
- drivers which only set their coherent DMA mask if the attempt to
set the streaming mask fails.
- drivers which test for a NULL dma mask pointer, and then set the
dma mask pointer to a location in their module .data section -
which will cause problems if the module is reloaded.
To counter these, I have introduced two helper functions:
- dma_set_mask_and_coherent() takes care of setting both the
streaming and coherent masks at the same time, with the correct
error handling as specified by the API.
- dma_coerce_mask_and_coherent() which resolves the problem of
drivers forcefully setting DMA masks. This is more a marker for
future work to further clean these locations up - the code which
creates the devices really should be initialising these, but to fix
that in one go along with this change could potentially be very
disruptive.
The last thing this series does is prise away some of Linux's addition
to "DMA addresses are physical addresses and RAM always starts at
zero". We have ARM LPAE systems where all system memory is above 4GB
physical, hence having DMA masks interpreted by (eg) the block layers
as describing physical addresses in the range 0..DMAMASK fails on
these platforms. Santosh Shilimkar addresses this in this series; the
patches were copied to the appropriate people multiple times but were
ignored.
Fixing this also gets rid of some ARM weirdness in the setup of the
max*pfn variables, and brings ARM into line with every other Linux
architecture as far as those go"
* 'for-linus-dma-masks' of git://git.linaro.org/people/rmk/linux-arm: (52 commits)
ARM: 7805/1: mm: change max*pfn to include the physical offset of memory
ARM: 7797/1: mmc: Use dma_max_pfn(dev) helper for bounce_limit calculations
ARM: 7796/1: scsi: Use dma_max_pfn(dev) helper for bounce_limit calculations
ARM: 7795/1: mm: dma-mapping: Add dma_max_pfn(dev) helper function
ARM: 7794/1: block: Rename parameter dma_mask to max_addr for blk_queue_bounce_limit()
ARM: DMA-API: better handing of DMA masks for coherent allocations
ARM: 7857/1: dma: imx-sdma: setup dma mask
DMA-API: firmware/google/gsmi.c: avoid direct access to DMA masks
DMA-API: dcdbas: update DMA mask handing
DMA-API: dma: edma.c: no need to explicitly initialize DMA masks
DMA-API: usb: musb: use platform_device_register_full() to avoid directly messing with dma masks
DMA-API: crypto: remove last references to 'static struct device *dev'
DMA-API: crypto: fix ixp4xx crypto platform device support
DMA-API: others: use dma_set_coherent_mask()
DMA-API: staging: use dma_set_coherent_mask()
DMA-API: usb: use new dma_coerce_mask_and_coherent()
DMA-API: usb: use dma_set_coherent_mask()
DMA-API: parport: parport_pc.c: use dma_coerce_mask_and_coherent()
DMA-API: net: octeon: use dma_coerce_mask_and_coherent()
DMA-API: net: nxp/lpc_eth: use dma_coerce_mask_and_coherent()
...
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Commit b5b4bb3f6a11f9 (of: only include prom.h on sparc) removed implicit
includes of of_*.h headers by powerpc's prom.h. Some components were
missed in initial clean-up patch, so add the necessary includes to fix
powerpc builds.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-ide@vger.kernel.org
Cc: linux-crypto@vger.kernel.org
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