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Merge commit 'db0b2e84b55dcf35e9fa8c25aa46061c1b1db927' into HEAD

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Change-Id: Ie538607f2cdc24cb722105fced4d1a40028efd57
Signed-off-by: Pradosh Das <prados@codeaurora.org>
This commit is contained in:
Pradosh Das 2018-09-17 16:37:49 +05:30
commit abce7ac781
236 changed files with 17246 additions and 2372 deletions
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119
Documentation/ABI/obsolete/sysfs-block-zram
View file

@ -1,119 +0,0 @@
What: /sys/block/zram<id>/num_reads
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The num_reads file is read-only and specifies the number of
reads (failed or successful) done on this device.
Now accessible via zram<id>/stat node.
What: /sys/block/zram<id>/num_writes
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The num_writes file is read-only and specifies the number of
writes (failed or successful) done on this device.
Now accessible via zram<id>/stat node.
What: /sys/block/zram<id>/invalid_io
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The invalid_io file is read-only and specifies the number of
non-page-size-aligned I/O requests issued to this device.
Now accessible via zram<id>/io_stat node.
What: /sys/block/zram<id>/failed_reads
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The failed_reads file is read-only and specifies the number of
failed reads happened on this device.
Now accessible via zram<id>/io_stat node.
What: /sys/block/zram<id>/failed_writes
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The failed_writes file is read-only and specifies the number of
failed writes happened on this device.
Now accessible via zram<id>/io_stat node.
What: /sys/block/zram<id>/notify_free
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The notify_free file is read-only. Depending on device usage
scenario it may account a) the number of pages freed because
of swap slot free notifications or b) the number of pages freed
because of REQ_DISCARD requests sent by bio. The former ones
are sent to a swap block device when a swap slot is freed, which
implies that this disk is being used as a swap disk. The latter
ones are sent by filesystem mounted with discard option,
whenever some data blocks are getting discarded.
Now accessible via zram<id>/io_stat node.
What: /sys/block/zram<id>/zero_pages
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The zero_pages file is read-only and specifies number of zero
filled pages written to this disk. No memory is allocated for
such pages.
Now accessible via zram<id>/mm_stat node.
What: /sys/block/zram<id>/orig_data_size
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The orig_data_size file is read-only and specifies uncompressed
size of data stored in this disk. This excludes zero-filled
pages (zero_pages) since no memory is allocated for them.
Unit: bytes
Now accessible via zram<id>/mm_stat node.
What: /sys/block/zram<id>/compr_data_size
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The compr_data_size file is read-only and specifies compressed
size of data stored in this disk. So, compression ratio can be
calculated using orig_data_size and this statistic.
Unit: bytes
Now accessible via zram<id>/mm_stat node.
What: /sys/block/zram<id>/mem_used_total
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The mem_used_total file is read-only and specifies the amount
of memory, including allocator fragmentation and metadata
overhead, allocated for this disk. So, allocator space
efficiency can be calculated using compr_data_size and this
statistic.
Unit: bytes
Now accessible via zram<id>/mm_stat node.
What: /sys/block/zram<id>/mem_used_max
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The mem_used_max file is read/write and specifies the amount
of maximum memory zram have consumed to store compressed data.
For resetting the value, you should write "0". Otherwise,
you could see -EINVAL.
Unit: bytes
Downgraded to write-only node: so it's possible to set new
value only; its current value is stored in zram<id>/mm_stat
node.
What: /sys/block/zram<id>/mem_limit
Date: August 2015
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The mem_limit file is read/write and specifies the maximum
amount of memory ZRAM can use to store the compressed data.
The limit could be changed in run time and "0" means disable
the limit. No limit is the initial state. Unit: bytes
Downgraded to write-only node: so it's possible to set new
value only; its current value is stored in zram<id>/mm_stat
node.

118
Documentation/ABI/testing/sysfs-block-zram
View file

@ -22,41 +22,6 @@ Description:
device. The reset operation frees all the memory associated
with this device.
What: /sys/block/zram<id>/num_reads
Date: August 2010
Contact: Nitin Gupta <ngupta@vflare.org>
Description:
The num_reads file is read-only and specifies the number of
reads (failed or successful) done on this device.
What: /sys/block/zram<id>/num_writes
Date: August 2010
Contact: Nitin Gupta <ngupta@vflare.org>
Description:
The num_writes file is read-only and specifies the number of
writes (failed or successful) done on this device.
What: /sys/block/zram<id>/invalid_io
Date: August 2010
Contact: Nitin Gupta <ngupta@vflare.org>
Description:
The invalid_io file is read-only and specifies the number of
non-page-size-aligned I/O requests issued to this device.
What: /sys/block/zram<id>/failed_reads
Date: February 2014
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The failed_reads file is read-only and specifies the number of
failed reads happened on this device.
What: /sys/block/zram<id>/failed_writes
Date: February 2014
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The failed_writes file is read-only and specifies the number of
failed writes happened on this device.
What: /sys/block/zram<id>/max_comp_streams
Date: February 2014
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
@ -73,74 +38,24 @@ Description:
available and selected compression algorithms, change
compression algorithm selection.
What: /sys/block/zram<id>/notify_free
Date: August 2010
Contact: Nitin Gupta <ngupta@vflare.org>
Description:
The notify_free file is read-only. Depending on device usage
scenario it may account a) the number of pages freed because
of swap slot free notifications or b) the number of pages freed
because of REQ_DISCARD requests sent by bio. The former ones
are sent to a swap block device when a swap slot is freed, which
implies that this disk is being used as a swap disk. The latter
ones are sent by filesystem mounted with discard option,
whenever some data blocks are getting discarded.
What: /sys/block/zram<id>/zero_pages
Date: August 2010
Contact: Nitin Gupta <ngupta@vflare.org>
Description:
The zero_pages file is read-only and specifies number of zero
filled pages written to this disk. No memory is allocated for
such pages.
What: /sys/block/zram<id>/orig_data_size
Date: August 2010
Contact: Nitin Gupta <ngupta@vflare.org>
Description:
The orig_data_size file is read-only and specifies uncompressed
size of data stored in this disk. This excludes zero-filled
pages (zero_pages) since no memory is allocated for them.
Unit: bytes
What: /sys/block/zram<id>/compr_data_size
Date: August 2010
Contact: Nitin Gupta <ngupta@vflare.org>
Description:
The compr_data_size file is read-only and specifies compressed
size of data stored in this disk. So, compression ratio can be
calculated using orig_data_size and this statistic.
Unit: bytes
What: /sys/block/zram<id>/mem_used_total
Date: August 2010
Contact: Nitin Gupta <ngupta@vflare.org>
Description:
The mem_used_total file is read-only and specifies the amount
of memory, including allocator fragmentation and metadata
overhead, allocated for this disk. So, allocator space
efficiency can be calculated using compr_data_size and this
statistic.
Unit: bytes
What: /sys/block/zram<id>/mem_used_max
Date: August 2014
Contact: Minchan Kim <minchan@kernel.org>
Description:
The mem_used_max file is read/write and specifies the amount
of maximum memory zram have consumed to store compressed data.
For resetting the value, you should write "0". Otherwise,
you could see -EINVAL.
The mem_used_max file is write-only and is used to reset
the counter of maximum memory zram have consumed to store
compressed data. For resetting the value, you should write
"0". Otherwise, you could see -EINVAL.
Unit: bytes
What: /sys/block/zram<id>/mem_limit
Date: August 2014
Contact: Minchan Kim <minchan@kernel.org>
Description:
The mem_limit file is read/write and specifies the maximum
amount of memory ZRAM can use to store the compressed data. The
limit could be changed in run time and "0" means disable the
limit. No limit is the initial state. Unit: bytes
The mem_limit file is write-only and specifies the maximum
amount of memory ZRAM can use to store the compressed data.
The limit could be changed in run time and "0" means disable
the limit. No limit is the initial state. Unit: bytes
What: /sys/block/zram<id>/compact
Date: August 2015
@ -166,3 +81,20 @@ Description:
The mm_stat file is read-only and represents device's mm
statistics (orig_data_size, compr_data_size, etc.) in a format
similar to block layer statistics file format.
What: /sys/block/zram<id>/debug_stat
Date: July 2016
Contact: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Description:
The debug_stat file is read-only and represents various
device's debugging info useful for kernel developers. Its
format is not documented intentionally and may change
anytime without any notice.
What: /sys/block/zram<id>/backing_dev
Date: June 2017
Contact: Minchan Kim <minchan@kernel.org>
Description:
The backing_dev file is read-write and set up backing
device for zram to write incompressible pages.
For using, user should enable CONFIG_ZRAM_WRITEBACK.

17
Documentation/Changes
View file

@ -25,7 +25,7 @@ o GNU C 3.2 # gcc --version
o GNU make 3.80 # make --version
o binutils 2.12 # ld -v
o util-linux 2.10o # fdformat --version
o module-init-tools 0.9.10 # depmod -V
o kmod 13 # depmod -V
o e2fsprogs 1.41.4 # e2fsck -V
o jfsutils 1.1.3 # fsck.jfs -V
o reiserfsprogs 3.6.3 # reiserfsck -V
@ -132,12 +132,6 @@ is not build with CONFIG_KALLSYMS and you have no way to rebuild and
reproduce the Oops with that option, then you can still decode that Oops
with ksymoops.
Module-Init-Tools
-----------------
A new module loader is now in the kernel that requires module-init-tools
to use. It is backward compatible with the 2.4.x series kernels.
Mkinitrd
--------
@ -319,14 +313,15 @@ Util-linux
----------
o <ftp://ftp.kernel.org/pub/linux/utils/util-linux/>
Kmod
----
o <https://www.kernel.org/pub/linux/utils/kernel/kmod/>
o <https://git.kernel.org/pub/scm/utils/kernel/kmod/kmod.git>
Ksymoops
--------
o <ftp://ftp.kernel.org/pub/linux/utils/kernel/ksymoops/v2.4/>
Module-Init-Tools
-----------------
o <ftp://ftp.kernel.org/pub/linux/kernel/people/rusty/modules/>
Mkinitrd
--------
o <https://code.launchpad.net/initrd-tools/main>

200
Documentation/blockdev/zram.txt
View file

@ -59,34 +59,23 @@ num_devices parameter is optional and tells zram how many devices should be
pre-created. Default: 1.
2) Set max number of compression streams
Compression backend may use up to max_comp_streams compression streams,
thus allowing up to max_comp_streams concurrent compression operations.
By default, compression backend uses single compression stream.
Regardless the value passed to this attribute, ZRAM will always
allocate multiple compression streams - one per online CPUs - thus
allowing several concurrent compression operations. The number of
allocated compression streams goes down when some of the CPUs
become offline. There is no single-compression-stream mode anymore,
unless you are running a UP system or has only 1 CPU online.
Examples:
#show max compression streams number
To find out how many streams are currently available:
cat /sys/block/zram0/max_comp_streams
#set max compression streams number to 3
echo 3 > /sys/block/zram0/max_comp_streams
Note:
In order to enable compression backend's multi stream support max_comp_streams
must be initially set to desired concurrency level before ZRAM device
initialisation. Once the device initialised as a single stream compression
backend (max_comp_streams equals to 1), you will see error if you try to change
the value of max_comp_streams because single stream compression backend
implemented as a special case by lock overhead issue and does not support
dynamic max_comp_streams. Only multi stream backend supports dynamic
max_comp_streams adjustment.
3) Select compression algorithm
Using comp_algorithm device attribute one can see available and
currently selected (shown in square brackets) compression algorithms,
change selected compression algorithm (once the device is initialised
there is no way to change compression algorithm).
Using comp_algorithm device attribute one can see available and
currently selected (shown in square brackets) compression algorithms,
change selected compression algorithm (once the device is initialised
there is no way to change compression algorithm).
Examples:
Examples:
#show supported compression algorithms
cat /sys/block/zram0/comp_algorithm
lzo [lz4]
@ -94,17 +83,27 @@ max_comp_streams adjustment.
#select lzo compression algorithm
echo lzo > /sys/block/zram0/comp_algorithm
4) Set Disksize
Set disk size by writing the value to sysfs node 'disksize'.
The value can be either in bytes or you can use mem suffixes.
Examples:
# Initialize /dev/zram0 with 50MB disksize
echo $((50*1024*1024)) > /sys/block/zram0/disksize
For the time being, the `comp_algorithm' content does not necessarily
show every compression algorithm supported by the kernel. We keep this
list primarily to simplify device configuration and one can configure
a new device with a compression algorithm that is not listed in
`comp_algorithm'. The thing is that, internally, ZRAM uses Crypto API
and, if some of the algorithms were built as modules, it's impossible
to list all of them using, for instance, /proc/crypto or any other
method. This, however, has an advantage of permitting the usage of
custom crypto compression modules (implementing S/W or H/W compression).
# Using mem suffixes
echo 256K > /sys/block/zram0/disksize
echo 512M > /sys/block/zram0/disksize
echo 1G > /sys/block/zram0/disksize
4) Set Disksize
Set disk size by writing the value to sysfs node 'disksize'.
The value can be either in bytes or you can use mem suffixes.
Examples:
# Initialize /dev/zram0 with 50MB disksize
echo $((50*1024*1024)) > /sys/block/zram0/disksize
# Using mem suffixes
echo 256K > /sys/block/zram0/disksize
echo 512M > /sys/block/zram0/disksize
echo 1G > /sys/block/zram0/disksize
Note:
There is little point creating a zram of greater than twice the size of memory
@ -112,20 +111,20 @@ since we expect a 2:1 compression ratio. Note that zram uses about 0.1% of the
size of the disk when not in use so a huge zram is wasteful.
5) Set memory limit: Optional
Set memory limit by writing the value to sysfs node 'mem_limit'.
The value can be either in bytes or you can use mem suffixes.
In addition, you could change the value in runtime.
Examples:
# limit /dev/zram0 with 50MB memory
echo $((50*1024*1024)) > /sys/block/zram0/mem_limit
Set memory limit by writing the value to sysfs node 'mem_limit'.
The value can be either in bytes or you can use mem suffixes.
In addition, you could change the value in runtime.
Examples:
# limit /dev/zram0 with 50MB memory
echo $((50*1024*1024)) > /sys/block/zram0/mem_limit
# Using mem suffixes
echo 256K > /sys/block/zram0/mem_limit
echo 512M > /sys/block/zram0/mem_limit
echo 1G > /sys/block/zram0/mem_limit
# Using mem suffixes
echo 256K > /sys/block/zram0/mem_limit
echo 512M > /sys/block/zram0/mem_limit
echo 1G > /sys/block/zram0/mem_limit
# To disable memory limit
echo 0 > /sys/block/zram0/mem_limit
# To disable memory limit
echo 0 > /sys/block/zram0/mem_limit
6) Activate:
mkswap /dev/zram0
@ -162,41 +161,15 @@ Name access description
disksize RW show and set the device's disk size
initstate RO shows the initialization state of the device
reset WO trigger device reset
num_reads RO the number of reads
failed_reads RO the number of failed reads
num_write RO the number of writes
failed_writes RO the number of failed writes
invalid_io RO the number of non-page-size-aligned I/O requests
mem_used_max WO reset the `mem_used_max' counter (see later)
mem_limit WO specifies the maximum amount of memory ZRAM can use
to store the compressed data
max_comp_streams RW the number of possible concurrent compress operations
comp_algorithm RW show and change the compression algorithm
notify_free RO the number of notifications to free pages (either
slot free notifications or REQ_DISCARD requests)
zero_pages RO the number of zero filled pages written to this disk
orig_data_size RO uncompressed size of data stored in this disk
compr_data_size RO compressed size of data stored in this disk
mem_used_total RO the amount of memory allocated for this disk
mem_used_max RW the maximum amount of memory zram have consumed to
store the data (to reset this counter to the actual
current value, write 1 to this attribute)
mem_limit RW the maximum amount of memory ZRAM can use to store
the compressed data
pages_compacted RO the number of pages freed during compaction
(available only via zram<id>/mm_stat node)
compact WO trigger memory compaction
debug_stat RO this file is used for zram debugging purposes
backing_dev RW set up backend storage for zram to write out
WARNING
=======
per-stat sysfs attributes are considered to be deprecated.
The basic strategy is:
-- the existing RW nodes will be downgraded to WO nodes (in linux 4.11)
-- deprecated RO sysfs nodes will eventually be removed (in linux 4.11)
The list of deprecated attributes can be found here:
Documentation/ABI/obsolete/sysfs-block-zram
Basically, every attribute that has its own read accessible sysfs node
(e.g. num_reads) *AND* is accessible via one of the stat files (zram<id>/stat
or zram<id>/io_stat or zram<id>/mm_stat) is considered to be deprecated.
User space is advised to use the following files to read the device statistics.
@ -211,22 +184,41 @@ The stat file represents device's I/O statistics not accounted by block
layer and, thus, not available in zram<id>/stat file. It consists of a
single line of text and contains the following stats separated by
whitespace:
failed_reads
failed_writes
invalid_io
notify_free
failed_reads the number of failed reads
failed_writes the number of failed writes
invalid_io the number of non-page-size-aligned I/O requests
notify_free Depending on device usage scenario it may account
a) the number of pages freed because of swap slot free
notifications or b) the number of pages freed because of
REQ_DISCARD requests sent by bio. The former ones are
sent to a swap block device when a swap slot is freed,
which implies that this disk is being used as a swap disk.
The latter ones are sent by filesystem mounted with
discard option, whenever some data blocks are getting
discarded.
File /sys/block/zram<id>/mm_stat
The stat file represents device's mm statistics. It consists of a single
line of text and contains the following stats separated by whitespace:
orig_data_size
compr_data_size
mem_used_total
mem_limit
mem_used_max
zero_pages
num_migrated
orig_data_size uncompressed size of data stored in this disk.
This excludes same-element-filled pages (same_pages) since
no memory is allocated for them.
Unit: bytes
compr_data_size compressed size of data stored in this disk
mem_used_total the amount of memory allocated for this disk. This
includes allocator fragmentation and metadata overhead,
allocated for this disk. So, allocator space efficiency
can be calculated using compr_data_size and this statistic.
Unit: bytes
mem_limit the maximum amount of memory ZRAM can use to store
the compressed data
mem_used_max the maximum amount of memory zram have consumed to
store the data
same_pages the number of same element filled pages written to this disk.
No memory is allocated for such pages.
pages_compacted the number of pages freed during compaction
huge_pages the number of incompressible pages
9) Deactivate:
swapoff /dev/zram0
@ -241,5 +233,39 @@ line of text and contains the following stats separated by whitespace:
resets the disksize to zero. You must set the disksize again
before reusing the device.
* Optional Feature
= writeback
With incompressible pages, there is no memory saving with zram.
Instead, with CONFIG_ZRAM_WRITEBACK, zram can write incompressible page
to backing storage rather than keeping it in memory.
User should set up backing device via /sys/block/zramX/backing_dev
before disksize setting.
= memory tracking
With CONFIG_ZRAM_MEMORY_TRACKING, user can know information of the
zram block. It could be useful to catch cold or incompressible
pages of the process with*pagemap.
If you enable the feature, you could see block state via
/sys/kernel/debug/zram/zram0/block_state". The output is as follows,
300 75.033841 .wh
301 63.806904 s..
302 63.806919 ..h
First column is zram's block index.
Second column is access time since the system was booted
Third column is state of the block.
(s: same page
w: written page to backing store
h: huge page)
First line of above example says 300th block is accessed at 75.033841sec
and the block's state is huge so it is written back to the backing
storage. It's a debugging feature so anyone shouldn't rely on it to work
properly.
Nitin Gupta
ngupta@vflare.org

6
Documentation/devicetree/bindings/arm/msm/msm.txt
View file

@ -95,6 +95,9 @@ SoCs:
- SDM660
compatible = "qcom,sdm660"
- SDM455
compatible = "qcom,sdm455"
- SDA658
compatible = "qcom,sda658"
@ -292,6 +295,9 @@ compatible = "qcom,sdm660-cdp"
compatible = "qcom,sdm660-mtp"
compatible = "qcom,sdm660-qrd"
compatible = "qcom,sda660-qrd"
compatible = "qcom,sdm455-mtp"
compatible = "qcom,sdm455-qrd"
compatible = "qcom,sdm455-cdp"
compatible = "qcom,sda658-mtp"
compatible = "qcom,sda658-cdp"
compatible = "qcom,sda660-mtp"

1
Documentation/devicetree/bindings/qdsp/msm-fastrpc.txt
View file

@ -13,7 +13,6 @@ Optional properties:
- qcom,fastrpc-glink: Flag to use glink instead of smd for IPC
- qcom,fastrpc-vmid-heap-shared: Flag for Dynamic heap feature, to
share HLOS memory buffer to ADSP
- qcom,secure-domains: FastRPC secure domain configuration
Optional subnodes:
- qcom,msm_fastrpc_compute_cb : Child nodes representing the compute context

6
Makefile
View file

@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
SUBLEVEL = 148
SUBLEVEL = 153
EXTRAVERSION =
NAME = Blurry Fish Butt
@ -425,7 +425,9 @@ export MAKE AWK GENKSYMS INSTALLKERNEL PERL PYTHON UTS_MACHINE
export HOSTCXX HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS
export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS LDFLAGS
export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE CFLAGS_GCOV CFLAGS_KCOV CFLAGS_KASAN CFLAGS_UBSAN
export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE CFLAGS_GCOV
export CFLAGS_KASAN CFLAGS_UBSAN CFLAGS_KASAN_NOSANITIZE
export CFLAGS_KCOV
export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODULE
export KBUILD_AFLAGS_MODULE KBUILD_CFLAGS_MODULE KBUILD_LDFLAGS_MODULE
export KBUILD_AFLAGS_KERNEL KBUILD_CFLAGS_KERNEL

15
arch/arc/Makefile
View file

@ -14,7 +14,7 @@ endif
KBUILD_DEFCONFIG := nsim_700_defconfig
cflags-y += -fno-common -pipe -fno-builtin -D__linux__
cflags-y += -fno-common -pipe -fno-builtin -mmedium-calls -D__linux__
cflags-$(CONFIG_ISA_ARCOMPACT) += -mA7
cflags-$(CONFIG_ISA_ARCV2) += -mcpu=archs
@ -137,16 +137,3 @@ dtbs: scripts
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
# Hacks to enable final link due to absence of link-time branch relexation
# and gcc choosing optimal(shorter) branches at -O3
#
# vineetg Feb 2010: -mlong-calls switched off for overall kernel build
# However lib/decompress_inflate.o (.init.text) calls
# zlib_inflate_workspacesize (.text) causing relocation errors.
# Thus forcing all exten calls in this file to be long calls
export CFLAGS_decompress_inflate.o = -mmedium-calls
export CFLAGS_initramfs.o = -mmedium-calls
ifdef CONFIG_SMP
export CFLAGS_core.o = -mmedium-calls
endif

2
arch/arc/include/asm/mach_desc.h
View file

@ -34,9 +34,7 @@ struct machine_desc {
const char *name;
const char **dt_compat;
void (*init_early)(void);
#ifdef CONFIG_SMP
void (*init_per_cpu)(unsigned int);
#endif
void (*init_machine)(void);
void (*init_late)(void);

2
arch/arc/kernel/irq.c
View file

@ -31,10 +31,10 @@ void __init init_IRQ(void)
/* a SMP H/w block could do IPI IRQ request here */
if (plat_smp_ops.init_per_cpu)
plat_smp_ops.init_per_cpu(smp_processor_id());
#endif
if (machine_desc->init_per_cpu)
machine_desc->init_per_cpu(smp_processor_id());
#endif
}
/*

5
arch/arm/boot/dts/am3517.dtsi
View file

@ -74,6 +74,11 @@
};
};
/* Table Table 5-79 of the TRM shows 480ab000 is reserved */
&usb_otg_hs {
status = "disabled";
};
&iva {
status = "disabled";
};

2
arch/arm/boot/dts/am437x-sk-evm.dts
View file

@ -508,6 +508,8 @@
touchscreen-size-x = <480>;
touchscreen-size-y = <272>;
wakeup-source;
};
tlv320aic3106: tlv320aic3106@1b {

4
arch/arm/boot/dts/bcm-cygnus.dtsi
View file

@ -110,7 +110,7 @@
reg = <0x18008000 0x100>;
#address-cells = <1>;
#size-cells = <0>;
interrupts = <GIC_SPI 85 IRQ_TYPE_NONE>;
interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
clock-frequency = <100000>;
status = "disabled";
};
@ -138,7 +138,7 @@
reg = <0x1800b000 0x100>;
#address-cells = <1>;
#size-cells = <0>;
interrupts = <GIC_SPI 86 IRQ_TYPE_NONE>;
interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
clock-frequency = <100000>;
status = "disabled";
};

6
arch/arm/boot/dts/da850.dtsi
View file

@ -267,11 +267,7 @@
compatible = "ti,dm6441-gpio";
gpio-controller;
reg = <0x226000 0x1000>;
interrupts = <42 IRQ_TYPE_EDGE_BOTH
43 IRQ_TYPE_EDGE_BOTH 44 IRQ_TYPE_EDGE_BOTH
45 IRQ_TYPE_EDGE_BOTH 46 IRQ_TYPE_EDGE_BOTH
47 IRQ_TYPE_EDGE_BOTH 48 IRQ_TYPE_EDGE_BOTH
49 IRQ_TYPE_EDGE_BOTH 50 IRQ_TYPE_EDGE_BOTH>;
interrupts = <42 43 44 45 46 47 48 49 50>;
ti,ngpio = <144>;
ti,davinci-gpio-unbanked = <0>;
status = "disabled";

1
arch/arm/boot/dts/qcom/Makefile
View file

@ -118,6 +118,7 @@ dtb-$(CONFIG_ARCH_MSM8996) += msm8996-v2-pmi8994-cdp.dtb \
dtb-$(CONFIG_MSM_GVM_QUIN) += vplatform-lfv-msm8996-telematics.dtb \
vplatform-lfv-msm8996-ivi.dtb \
vplatform-lfv-msm8996-ivi_8GB.dtb \
vplatform-lfv-msm8996-baseline.dtb \
vplatform-lfv-msm8996-ivi-la.dtb \
vplatform-lfv-msm8996-ivi-lv-mt.dtb

2
arch/arm/boot/dts/qcom/msm8996-cv2x.dtsi
View file

@ -531,7 +531,7 @@
qcom,vin-sel = <2>; /* S4 1.8V */
qcom,src-sel = <0>; /* Constant */
qcom,master-en = <1>; /* Enable GPIO */
qcom,invert = <1>; /* Output high */
qcom,invert = <0>; /* Output low */
status = "okay";
};
};

53
arch/arm/boot/dts/qcom/sdm630-regulator.dtsi
View file

@ -1,4 +1,4 @@
/* Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
/* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@ -687,9 +687,9 @@
regulator-max-microvolt = <8>;
qcom,cpr-fuse-corners = <3>;
qcom,cpr-fuse-combos = <24>;
qcom,cpr-speed-bins = <3>;
qcom,cpr-speed-bin-corners = <8 8 8>;
qcom,cpr-fuse-combos = <32>;
qcom,cpr-speed-bins = <4>;
qcom,cpr-speed-bin-corners = <8 8 8 8>;
qcom,cpr-corners = <8>;
qcom,cpr-corner-fmax-map = <2 4 8>;
@ -783,9 +783,9 @@
regulator-max-microvolt = <11>;
qcom,cpr-fuse-corners = <5>;
qcom,cpr-fuse-combos = <24>;
qcom,cpr-speed-bins = <3>;
qcom,cpr-speed-bin-corners = <10 10 11>;
qcom,cpr-fuse-combos = <32>;
qcom,cpr-speed-bins = <4>;
qcom,cpr-speed-bin-corners = <10 10 11 10>;
qcom,cpr-corners =
/* Speed bin 0 */
<10 10 10 10 10 10 10 10>,
@ -794,7 +794,10 @@
<10 10 10 10 10 10 10 10>,
/* Speed bin 2 */
<11 11 11 11 11 11 11 11>;
<11 11 11 11 11 11 11 11>,
/* Speed bin 3 */
<10 10 10 10 10 10 10 10>;
qcom,cpr-corner-fmax-map =
/* Speed bin 0 */
@ -804,7 +807,10 @@
<2 4 6 9 10>,
/* Speed bin 2 */
<2 4 6 9 11>;
<2 4 6 9 11>,
/* Speed bin 3 */
<2 4 6 9 10>;
qcom,cpr-voltage-ceiling =
/* Speed bin 0 */
@ -820,7 +826,12 @@
/* Speed bin 2 */
<724000 724000 724000 788000
868000 868000 988000 988000
988000 1140000 1140000>;
988000 1140000 1140000>,
/* Speed bin 3 */
<724000 724000 724000 788000
868000 868000 988000 988000
988000 1068000>;
qcom,cpr-voltage-floor =
/* Speed bin 0 */
@ -836,7 +847,12 @@
/* Speed bin 2 */
<588000 588000 596000 652000
712000 712000 744000 784000
784000 844000 900000>;
784000 844000 900000>,
/* Speed bin 3 */
<588000 588000 596000 652000
712000 712000 744000 784000
784000 844000>;
qcom,corner-frequencies =
/* Speed bin 0 */
@ -855,7 +871,13 @@
<300000000 787200000 1113600000
1344000000 1516800000 1670400000
1881600000 2016000000 2150400000
2380800000 2515200000>;
2380800000 2515200000>,
/* Speed bin 3 */
<300000000 787200000 1113600000
1344000000 1516800000 1670400000
1881600000 2016000000 2150400000
2208000000>;
qcom,allow-voltage-interpolation;
qcom,allow-quotient-interpolation;
@ -899,7 +921,12 @@
/* Speed bin 2 */
<40000 40000 40000 40000
40000 40000 40000 66000
66000 40000 40000>;
66000 40000 40000>,
/* Speed bin 3 */
<40000 40000 40000 40000
40000 40000 40000 66000
66000 40000>;
};
};
};

1
arch/arm/boot/dts/qcom/sdm660.dtsi
View file

@ -2101,6 +2101,7 @@
qcom,qdsp6v62-1-5;
memory-region = <&modem_fw_mem>;
qcom,mem-protect-id = <0xF>;
qcom,complete-ramdump;
qcom,cx-ipeak-vote;
/* GPIO inputs from mss */

153
arch/arm/boot/dts/qcom/vplatform-lfv-msm8996-ivi-common.dtsi Normal file
View file

@ -0,0 +1,153 @@
/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include "skeleton64.dtsi"
#include "vplatform-lfv-msm8996.dtsi"
#include <dt-bindings/clock/msm-clocks-8996.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
&soc {
qcom,msm-audio-ion-vm {
compatible = "qcom,msm-audio-ion-vm";
qcom,smmu-enabled;
};
qcom,hab {
compatible = "qcom,hab";
vmid = <2>;
mmidgrp100: mmidgrp100 {
grp-start-id = <100>;
role = "fe";
remote-vmids = <0>;
};
mmidgrp200: mmidgrp200 {
grp-start-id = <200>;
role = "fe";
remote-vmids = <0>;
};
mmidgrp300: mmidgrp300 {
grp-start-id = <300>;
role = "fe";
remote-vmids = <0>;
};
mmidgrp400: mmidgrp400 {
grp-start-id = <400>;
role = "fe";
remote-vmids = <0>;
};
mmidgrp500: mmidgrp500 {
grp-start-id = <500>;
role = "fe";
remote-vmids = <0>;
};
mmidgrp600: mmidgrp600 {
grp-start-id = <600>;
role = "fe";
remote-vmids = <0>;
};
mmidgrp700: mmidgrp700 {
grp-start-id = <700>;
role = "fe";
remote-vmids = <0>;
};
mmidgrp800: mmidgrp800 {
grp-start-id = <800>;
role = "fe";
remote-vmids = <0>;
};
mmidgrp900: mmidgrp900 {
grp-start-id = <900>;
role = "fe";
remote-vmids = <0>;
};
mmidgrp1000: mmidgrp1000 {
grp-start-id = <1000>;
role = "fe";
remote-vmids = <0>;
};
};
qcom,cnss {
compatible = "qcom,cnss";
wlan-bootstrap-gpio = <&tlmm 46 0>;
vdd-wlan-en-supply = <&wlan_en_vreg>;
vdd-wlan-supply = <&rome_vreg>;
vdd-wlan-io-supply = <&pm8994_s4>;
vdd-wlan-xtal-supply = <&pm8994_l30>;
vdd-wlan-core-supply = <&pm8994_s3>;
wlan-ant-switch-supply = <&pm8994_l18_pin_ctrl>;
qcom,wlan-en-vreg-support;
qcom,notify-modem-status;
pinctrl-names = "bootstrap_active", "bootstrap_sleep";
pinctrl-0 = <&cnss_bootstrap_active>;
pinctrl-1 = <&cnss_bootstrap_sleep>;
qcom,msm-bus,name = "msm-cnss";
qcom,msm-bus,num-cases = <4>;
qcom,msm-bus,num-paths = <1>;
qcom,msm-bus,vectors-KBps =
/* No vote */
<45 512 0 0>,
/* Up to 200 Mbps */
<45 512 41421 1520000>,
/* Up to 400 Mbps */
<45 512 96650 1520000>,
/* Up to 800 Mbps */
<45 512 207108 14432000>;
};
subsys_notif_virt: qcom,subsys_notif_virt@2D000000 {
compatible = "qcom,subsys-notif-virt";
reg = <0x2D000000 0x100>;
reg-names = "vdev_base";
adsp {
subsys-name = "adsp";
interrupts = <0 43 0>;
interrupt-names = "state-irq";
type = "virtual";
offset = <0>;
};
};
};
#include "vplatform-lfv-msm8996-usb.dtsi"
&usb3 {
status = "okay";
qcom,no-wakeup-src-in-hostmode;
};
&usb2s {
status = "okay";
};
&qusb_phy0 {
status = "okay";
};
&qusb_phy1 {
status = "okay";
};
&ssphy {
status = "okay";
};

17
arch/arm/boot/dts/qcom/vplatform-lfv-msm8996-ivi-la.dts
View file

@ -155,14 +155,27 @@
<45 512 207108 14432000>;
};
subsys_notif_virt: qcom,subsys_notif_virt@2d000000 {
compatible = "qcom,subsys-notif-virt";
reg = <0x2d000000 0x18>;
reg = <0x2d000000 0x400>;
reg-names = "vdev_base";
adsp {
subsys-name = "adsp";
interrupts = <0 43 0>;
interrupt-names = "state-irq";
type = "virtual";
offset = <0>;
};
wlan {
subsys-name = "AR6320";
offset = <16>;
interrupts = <0 43 0>;
interrupt-names = "state-irq";
type = "virtual";
offset = <512>;
};
};
};

150
arch/arm/boot/dts/qcom/vplatform-lfv-msm8996-ivi.dts
View file

@ -12,10 +12,7 @@
/dts-v1/;
#include "skeleton64.dtsi"
#include "vplatform-lfv-msm8996.dtsi"
#include <dt-bindings/clock/msm-clocks-8996.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include "vplatform-lfv-msm8996-ivi-common.dtsi"
/ {
model = "Qualcomm Technologies, Inc. MSM 8996";
@ -23,151 +20,14 @@
qcom,msm-id = <246 0x0>;
};
&soc {
qcom,msm-audio-ion-vm {
compatible = "qcom,msm-audio-ion-vm";
qcom,smmu-enabled;
};
qcom,hab {
compatible = "qcom,hab";
vmid = <2>;
mmidgrp100: mmidgrp100 {
grp-start-id = <100>;
role = "fe";
remote-vmids = <0>;
};
mmidgrp200: mmidgrp200 {
grp-start-id = <200>;
role = "fe";
remote-vmids = <0>;
};
mmidgrp300: mmidgrp300 {
grp-start-id = <300>;
role = "fe";
remote-vmids = <0>;
};
mmidgrp400: mmidgrp400 {
grp-start-id = <400>;
role = "fe";
remote-vmids = <0>;
};
mmidgrp500: mmidgrp500 {
grp-start-id = <500>;
role = "fe";
remote-vmids = <0>;
};
mmidgrp600: mmidgrp600 {
grp-start-id = <600>;
role = "fe";
remote-vmids = <0>;
};
mmidgrp700: mmidgrp700 {
grp-start-id = <700>;
role = "fe";
remote-vmids = <0>;
};
mmidgrp800: mmidgrp800 {
grp-start-id = <800>;
role = "fe";
remote-vmids = <0>;
};
mmidgrp900: mmidgrp900 {
grp-start-id = <900>;
role = "fe";
remote-vmids = <0>;
};
mmidgrp1000: mmidgrp1000 {
grp-start-id = <1000>;
role = "fe";
remote-vmids = <0>;
};
};
qcom,cnss {
compatible = "qcom,cnss";
wlan-bootstrap-gpio = <&tlmm 46 0>;
vdd-wlan-en-supply = <&wlan_en_vreg>;
vdd-wlan-supply = <&rome_vreg>;
vdd-wlan-io-supply = <&pm8994_s4>;
vdd-wlan-xtal-supply = <&pm8994_l30>;
vdd-wlan-core-supply = <&pm8994_s3>;
wlan-ant-switch-supply = <&pm8994_l18_pin_ctrl>;
qcom,wlan-en-vreg-support;
qcom,notify-modem-status;
pinctrl-names = "bootstrap_active", "bootstrap_sleep";
pinctrl-0 = <&cnss_bootstrap_active>;
pinctrl-1 = <&cnss_bootstrap_sleep>;
qcom,msm-bus,name = "msm-cnss";
qcom,msm-bus,num-cases = <4>;
qcom,msm-bus,num-paths = <1>;
qcom,msm-bus,vectors-KBps =
/* No vote */
<45 512 0 0>,
/* Up to 200 Mbps */
<45 512 41421 1520000>,
/* Up to 400 Mbps */
<45 512 96650 1520000>,
/* Up to 800 Mbps */
<45 512 207108 14432000>;
};
subsys_notif_virt: qcom,subsys_notif_virt@2D000000 {
compatible = "qcom,subsys-notif-virt";
reg = <0x2D000000 0x100>;
reg-names = "vdev_base";
adsp {
subsys-name = "adsp";
interrupts = <0 43 0>;
interrupt-names = "state-irq";
type = "virtual";
offset = <0>;
};
};
};
&reserved_memory {
pmem_shared: pmem_shared_region@d0000000 {
reg = <0 0xd0000000 0 0x20000000>;
pmem_shared: pmem_shared_region@1154ca000 {
reg = <0x1 0x154ca000 0x0 0x154ca000>;
label = "pmem_shared_mem";
};
ion_system: ion_system_region@100000000 {
reg = <0x1 0x0 0 0x10000000>;
ion_system: ion_system_region@12a994000 {
reg = <0x1 0x2a994000 0x0 0x154ca000>;
label = "ion_system_mem";
};
};
#include "vplatform-lfv-msm8996-usb.dtsi"
&usb3 {
status = "okay";
qcom,no-wakeup-src-in-hostmode;
};
&usb2s {
status = "okay";
};
&qusb_phy0 {
status = "okay";
};
&qusb_phy1 {
status = "okay";
};
&ssphy {
status = "okay";
};

33
arch/arm/boot/dts/qcom/vplatform-lfv-msm8996-ivi_8GB.dts Normal file
View file

@ -0,0 +1,33 @@
/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
/dts-v1/;
#include "vplatform-lfv-msm8996-ivi-common.dtsi"
/ {
model = "Qualcomm Technologies, Inc. MSM 8996";
compatible = "qcom,msm8996";
qcom,msm-id = <246 0x0>;
};
&reserved_memory {
pmem_shared: pmem_shared_region@13ff75000 {
reg = <0x1 0x3ff75000 0x0 0x3ff75000>;
label = "pmem_shared_mem";
};
ion_system: ion_system_region@17feea000 {
reg = <0x1 0x7feea000 0x0 0x3ff75000>;
label = "ion_system_mem";
};
};

2
arch/arm/configs/imx_v4_v5_defconfig
View file

@ -145,9 +145,11 @@ CONFIG_USB_STORAGE=y
CONFIG_USB_CHIPIDEA=y
CONFIG_USB_CHIPIDEA_UDC=y
CONFIG_USB_CHIPIDEA_HOST=y
CONFIG_USB_CHIPIDEA_ULPI=y
CONFIG_NOP_USB_XCEIV=y
CONFIG_USB_GADGET=y
CONFIG_USB_ETH=m
CONFIG_USB_ULPI_BUS=y
CONFIG_MMC=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_PLTFM=y

2
arch/arm/configs/imx_v6_v7_defconfig
View file

@ -261,6 +261,7 @@ CONFIG_USB_STORAGE=y
CONFIG_USB_CHIPIDEA=y
CONFIG_USB_CHIPIDEA_UDC=y
CONFIG_USB_CHIPIDEA_HOST=y
CONFIG_USB_CHIPIDEA_ULPI=y
CONFIG_USB_SERIAL=m
CONFIG_USB_SERIAL_GENERIC=y
CONFIG_USB_SERIAL_FTDI_SIO=m
@ -287,6 +288,7 @@ CONFIG_USB_G_NCM=m
CONFIG_USB_GADGETFS=m
CONFIG_USB_MASS_STORAGE=m
CONFIG_USB_G_SERIAL=m
CONFIG_USB_ULPI_BUS=y
CONFIG_MMC=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_PLTFM=y

4
arch/arm/mach-pxa/irq.c
View file

@ -185,7 +185,7 @@ static int pxa_irq_suspend(void)
{
int i;
for (i = 0; i < pxa_internal_irq_nr / 32; i++) {
for (i = 0; i < DIV_ROUND_UP(pxa_internal_irq_nr, 32); i++) {
void __iomem *base = irq_base(i);
saved_icmr[i] = __raw_readl(base + ICMR);
@ -204,7 +204,7 @@ static void pxa_irq_resume(void)
{
int i;
for (i = 0; i < pxa_internal_irq_nr / 32; i++) {
for (i = 0; i < DIV_ROUND_UP(pxa_internal_irq_nr, 32); i++) {
void __iomem *base = irq_base(i);
__raw_writel(saved_icmr[i], base + ICMR);

9
arch/arm/mm/init.c
View file

@ -815,19 +815,28 @@ int __mark_rodata_ro(void *unused)
return 0;
}
static int kernel_set_to_readonly __read_mostly;
void mark_rodata_ro(void)
{
kernel_set_to_readonly = 1;
stop_machine(__mark_rodata_ro, NULL, NULL);
}
void set_kernel_text_rw(void)
{
if (!kernel_set_to_readonly)
return;
set_section_perms(ro_perms, ARRAY_SIZE(ro_perms), false,
current->active_mm);
}
void set_kernel_text_ro(void)
{
if (!kernel_set_to_readonly)
return;
set_section_perms(ro_perms, ARRAY_SIZE(ro_perms), true,
current->active_mm);
}

2
arch/arm64/kernel/smp.c
View file

@ -144,7 +144,7 @@ static void smp_store_cpu_info(unsigned int cpuid)
* This is the secondary CPU boot entry. We're using this CPUs
* idle thread stack, but a set of temporary page tables.
*/
asmlinkage void secondary_start_kernel(void)
asmlinkage notrace void secondary_start_kernel(void)
{
struct mm_struct *mm = &init_mm;
unsigned int cpu;

4
arch/arm64/mm/mmu.c
View file

@ -1373,12 +1373,12 @@ int pmd_clear_huge(pmd_t *pmd)
}
#ifdef CONFIG_HAVE_ARCH_HUGE_VMAP
int pud_free_pmd_page(pud_t *pud)
int pud_free_pmd_page(pud_t *pud, unsigned long addr)
{
return pud_none(*pud);
}
int pmd_free_pte_page(pmd_t *pmd)
int pmd_free_pte_page(pmd_t *pmd, unsigned long addr)
{
return pmd_none(*pmd);
}

4
arch/m68k/include/asm/mcf_pgalloc.h
View file

@ -43,6 +43,7 @@ extern inline pmd_t *pmd_alloc_kernel(pgd_t *pgd, unsigned long address)
static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t page,
unsigned long address)
{
pgtable_page_dtor(page);
__free_page(page);
}
@ -73,8 +74,9 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm,
return page;
}
extern inline void pte_free(struct mm_struct *mm, struct page *page)
static inline void pte_free(struct mm_struct *mm, struct page *page)
{
pgtable_page_dtor(page);
__free_page(page);
}

8
arch/parisc/include/asm/spinlock.h
View file

@ -21,7 +21,6 @@ static inline void arch_spin_lock_flags(arch_spinlock_t *x,
{
volatile unsigned int *a;
mb();
a = __ldcw_align(x);
while (__ldcw(a) == 0)
while (*a == 0)
@ -31,16 +30,15 @@ static inline void arch_spin_lock_flags(arch_spinlock_t *x,
local_irq_disable();
} else
cpu_relax();
mb();
}
static inline void arch_spin_unlock(arch_spinlock_t *x)
{
volatile unsigned int *a;
mb();
a = __ldcw_align(x);
*a = 1;
mb();
*a = 1;
}
static inline int arch_spin_trylock(arch_spinlock_t *x)
@ -48,10 +46,8 @@ static inline int arch_spin_trylock(arch_spinlock_t *x)
volatile unsigned int *a;
int ret;
mb();
a = __ldcw_align(x);
ret = __ldcw(a) != 0;
mb();
return ret;
}

24
arch/parisc/kernel/syscall.S
View file

@ -627,12 +627,12 @@ cas_action:
stw %r1, 4(%sr2,%r20)
#endif
/* The load and store could fail */
1: ldw,ma 0(%r26), %r28
1: ldw 0(%r26), %r28
sub,<> %r28, %r25, %r0
2: stw,ma %r24, 0(%r26)
2: stw %r24, 0(%r26)
/* Free lock */
sync
stw,ma %r20, 0(%sr2,%r20)
stw %r20, 0(%sr2,%r20)
#if ENABLE_LWS_DEBUG
/* Clear thread register indicator */
stw %r0, 4(%sr2,%r20)
@ -796,30 +796,30 @@ cas2_action:
ldo 1(%r0),%r28
/* 8bit CAS */
13: ldb,ma 0(%r26), %r29
13: ldb 0(%r26), %r29
sub,= %r29, %r25, %r0
b,n cas2_end
14: stb,ma %r24, 0(%r26)
14: stb %r24, 0(%r26)
b cas2_end
copy %r0, %r28
nop
nop
/* 16bit CAS */
15: ldh,ma 0(%r26), %r29
15: ldh 0(%r26), %r29
sub,= %r29, %r25, %r0
b,n cas2_end
16: sth,ma %r24, 0(%r26)
16: sth %r24, 0(%r26)
b cas2_end
copy %r0, %r28
nop
nop
/* 32bit CAS */
17: ldw,ma 0(%r26), %r29
17: ldw 0(%r26), %r29
sub,= %r29, %r25, %r0
b,n cas2_end
18: stw,ma %r24, 0(%r26)
18: stw %r24, 0(%r26)
b cas2_end
copy %r0, %r28
nop
@ -827,10 +827,10 @@ cas2_action:
/* 64bit CAS */
#ifdef CONFIG_64BIT
19: ldd,ma 0(%r26), %r29
19: ldd 0(%r26), %r29
sub,*= %r29, %r25, %r0
b,n cas2_end
20: std,ma %r24, 0(%r26)
20: std %r24, 0(%r26)
copy %r0, %r28
#else
/* Compare first word */
@ -849,7 +849,7 @@ cas2_action:
cas2_end:
/* Free lock */
sync
stw,ma %r20, 0(%sr2,%r20)
stw %r20, 0(%sr2,%r20)
/* Enable interrupts */
ssm PSW_SM_I, %r0
/* Return to userspace, set no error */

5
arch/x86/configs/x86_64_cuttlefish_defconfig
View file

@ -48,6 +48,7 @@ CONFIG_X86_CPUID=y
CONFIG_KSM=y
CONFIG_DEFAULT_MMAP_MIN_ADDR=65536
CONFIG_TRANSPARENT_HUGEPAGE=y
CONFIG_ZSMALLOC=y
# CONFIG_MTRR is not set
CONFIG_HZ_100=y
CONFIG_KEXEC=y
@ -199,6 +200,7 @@ CONFIG_DEBUG_DEVRES=y
CONFIG_OF=y
CONFIG_OF_UNITTEST=y
# CONFIG_PNP_DEBUG_MESSAGES is not set
CONFIG_ZRAM=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=8192
@ -449,8 +451,9 @@ CONFIG_HARDENED_USERCOPY=y
CONFIG_SECURITY_SELINUX=y
CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE=1
# CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set
CONFIG_CRYPTO_ECHAINIV=y
CONFIG_CRYPTO_SHA512=y
CONFIG_CRYPTO_LZ4=y
CONFIG_CRYPTO_ZSTD=y
CONFIG_ASYMMETRIC_KEY_TYPE=y
CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=y
CONFIG_X509_CERTIFICATE_PARSER=y

3
arch/x86/include/asm/mmu_context.h
View file

@ -109,8 +109,7 @@ static inline int init_new_context(struct task_struct *tsk,
struct mm_struct *mm)
{
mm->context.ctx_id = atomic64_inc_return(&last_mm_ctx_id);
init_new_context_ldt(tsk, mm);
return 0;
return init_new_context_ldt(tsk, mm);
}
static inline void destroy_context(struct mm_struct *mm)
{

11
arch/x86/include/asm/pgtable-invert.h
View file

@ -4,9 +4,18 @@
#ifndef __ASSEMBLY__
/*
* A clear pte value is special, and doesn't get inverted.
*
* Note that even users that only pass a pgprot_t (rather
* than a full pte) won't trigger the special zero case,
* because even PAGE_NONE has _PAGE_PROTNONE | _PAGE_ACCESSED
* set. So the all zero case really is limited to just the
* cleared page table entry case.
*/
static inline bool __pte_needs_invert(u64 val)
{
return !(val & _PAGE_PRESENT);
return val && !(val & _PAGE_PRESENT);
}
/* Get a mask to xor with the page table entry to get the correct pfn. */

13
arch/x86/include/asm/pgtable.h
View file

@ -173,6 +173,11 @@ static inline unsigned long pud_pfn(pud_t pud)
return (pfn & pud_pfn_mask(pud)) >> PAGE_SHIFT;
}
static inline unsigned long pgd_pfn(pgd_t pgd)
{
return (pgd_val(pgd) & PTE_PFN_MASK) >> PAGE_SHIFT;
}
#define pte_page(pte) pfn_to_page(pte_pfn(pte))
static inline int pmd_large(pmd_t pte)
@ -578,8 +583,7 @@ static inline unsigned long pmd_page_vaddr(pmd_t pmd)
* Currently stuck as a macro due to indirect forward reference to
* linux/mmzone.h's __section_mem_map_addr() definition:
*/
#define pmd_page(pmd) \
pfn_to_page((pmd_val(pmd) & pmd_pfn_mask(pmd)) >> PAGE_SHIFT)
#define pmd_page(pmd) pfn_to_page(pmd_pfn(pmd))
/*
* the pmd page can be thought of an array like this: pmd_t[PTRS_PER_PMD]
@ -647,8 +651,7 @@ static inline unsigned long pud_page_vaddr(pud_t pud)
* Currently stuck as a macro due to indirect forward reference to
* linux/mmzone.h's __section_mem_map_addr() definition:
*/
#define pud_page(pud) \
pfn_to_page((pud_val(pud) & pud_pfn_mask(pud)) >> PAGE_SHIFT)
#define pud_page(pud) pfn_to_page(pud_pfn(pud))
/* Find an entry in the second-level page table.. */
static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address)
@ -688,7 +691,7 @@ static inline unsigned long pgd_page_vaddr(pgd_t pgd)
* Currently stuck as a macro due to indirect forward reference to
* linux/mmzone.h's __section_mem_map_addr() definition:
*/
#define pgd_page(pgd) pfn_to_page(pgd_val(pgd) >> PAGE_SHIFT)
#define pgd_page(pgd) pfn_to_page(pgd_pfn(pgd))
/* to find an entry in a page-table-directory. */
static inline unsigned long pud_index(unsigned long address)

2
arch/x86/mm/pageattr.c
View file

@ -1006,7 +1006,7 @@ static int populate_pmd(struct cpa_data *cpa,
pmd = pmd_offset(pud, start);
set_pmd(pmd, pmd_mkhuge(pfn_pmd(cpa->pfn,
set_pmd(pmd, pmd_mkhuge(pfn_pmd(cpa->pfn >> PAGE_SHIFT,
canon_pgprot(pmd_pgprot))));
start += PMD_SIZE;

61
arch/x86/mm/pgtable.c
View file

@ -676,28 +676,50 @@ int pmd_clear_huge(pmd_t *pmd)
return 0;
}
#ifdef CONFIG_X86_64
/**
* pud_free_pmd_page - Clear pud entry and free pmd page.
* @pud: Pointer to a PUD.
* @addr: Virtual address associated with pud.
*
* Context: The pud range has been unmaped and TLB purged.
* Context: The pud range has been unmapped and TLB purged.
* Return: 1 if clearing the entry succeeded. 0 otherwise.
*
* NOTE: Callers must allow a single page allocation.
*/
int pud_free_pmd_page(pud_t *pud)
int pud_free_pmd_page(pud_t *pud, unsigned long addr)
{
pmd_t *pmd;
pmd_t *pmd, *pmd_sv;
pte_t *pte;
int i;
if (pud_none(*pud))
return 1;
pmd = (pmd_t *)pud_page_vaddr(*pud);
pmd_sv = (pmd_t *)__get_free_page(GFP_KERNEL);
if (!pmd_sv)
return 0;
for (i = 0; i < PTRS_PER_PMD; i++)
if (!pmd_free_pte_page(&pmd[i]))
return 0;
for (i = 0; i < PTRS_PER_PMD; i++) {
pmd_sv[i] = pmd[i];
if (!pmd_none(pmd[i]))
pmd_clear(&pmd[i]);
}
pud_clear(pud);
/* INVLPG to clear all paging-structure caches */
flush_tlb_kernel_range(addr, addr + PAGE_SIZE-1);
for (i = 0; i < PTRS_PER_PMD; i++) {
if (!pmd_none(pmd_sv[i])) {
pte = (pte_t *)pmd_page_vaddr(pmd_sv[i]);
free_page((unsigned long)pte);
}
}
free_page((unsigned long)pmd_sv);
free_page((unsigned long)pmd);
return 1;
@ -706,11 +728,12 @@ int pud_free_pmd_page(pud_t *pud)
/**
* pmd_free_pte_page - Clear pmd entry and free pte page.
* @pmd: Pointer to a PMD.
* @addr: Virtual address associated with pmd.
*
* Context: The pmd range has been unmaped and TLB purged.
* Context: The pmd range has been unmapped and TLB purged.
* Return: 1 if clearing the entry succeeded. 0 otherwise.
*/
int pmd_free_pte_page(pmd_t *pmd)
int pmd_free_pte_page(pmd_t *pmd, unsigned long addr)
{
pte_t *pte;
@ -719,8 +742,30 @@ int pmd_free_pte_page(pmd_t *pmd)
pte = (pte_t *)pmd_page_vaddr(*pmd);
pmd_clear(pmd);
/* INVLPG to clear all paging-structure caches */
flush_tlb_kernel_range(addr, addr + PAGE_SIZE-1);
free_page((unsigned long)pte);
return 1;
}
#else /* !CONFIG_X86_64 */
int pud_free_pmd_page(pud_t *pud, unsigned long addr)
{
return pud_none(*pud);
}
/*
* Disable free page handling on x86-PAE. This assures that ioremap()
* does not update sync'd pmd entries. See vmalloc_sync_one().
*/
int pmd_free_pte_page(pmd_t *pmd, unsigned long addr)
{
return pmd_none(*pmd);
}
#endif /* CONFIG_X86_64 */
#endif /* CONFIG_HAVE_ARCH_HUGE_VMAP */

9
crypto/Kconfig
View file

@ -1577,6 +1577,15 @@ config CRYPTO_LZ4HC
help
This is the LZ4 high compression mode algorithm.
config CRYPTO_ZSTD
tristate "Zstd compression algorithm"
select CRYPTO_ALGAPI
select CRYPTO_ACOMP2
select ZSTD_COMPRESS
select ZSTD_DECOMPRESS
help
This is the zstd algorithm.
comment "Random Number Generation"
config CRYPTO_ANSI_CPRNG

1
crypto/Makefile
View file

@ -126,6 +126,7 @@ obj-$(CONFIG_CRYPTO_USER_API_HASH) += algif_hash.o
obj-$(CONFIG_CRYPTO_USER_API_SKCIPHER) += algif_skcipher.o
obj-$(CONFIG_CRYPTO_USER_API_RNG) += algif_rng.o
obj-$(CONFIG_CRYPTO_USER_API_AEAD) += algif_aead.o
obj-$(CONFIG_CRYPTO_ZSTD) += zstd.o
#
# generic algorithms and the async_tx api

57
crypto/ablkcipher.c
View file

@ -73,11 +73,9 @@ static inline u8 *ablkcipher_get_spot(u8 *start, unsigned int len)
return max(start, end_page);
}
static inline unsigned int ablkcipher_done_slow(struct ablkcipher_walk *walk,
unsigned int bsize)
static inline void ablkcipher_done_slow(struct ablkcipher_walk *walk,
unsigned int n)
{
unsigned int n = bsize;
for (;;) {
unsigned int len_this_page = scatterwalk_pagelen(&walk->out);
@ -89,17 +87,13 @@ static inline unsigned int ablkcipher_done_slow(struct ablkcipher_walk *walk,
n -= len_this_page;
scatterwalk_start(&walk->out, sg_next(walk->out.sg));
}
return bsize;
}
static inline unsigned int ablkcipher_done_fast(struct ablkcipher_walk *walk,
unsigned int n)
static inline void ablkcipher_done_fast(struct ablkcipher_walk *walk,
unsigned int n)
{
scatterwalk_advance(&walk->in, n);
scatterwalk_advance(&walk->out, n);
return n;
}
static int ablkcipher_walk_next(struct ablkcipher_request *req,
@ -109,39 +103,40 @@ int ablkcipher_walk_done(struct ablkcipher_request *req,
struct ablkcipher_walk *walk, int err)
{
struct crypto_tfm *tfm = req->base.tfm;
unsigned int nbytes = 0;
unsigned int n; /* bytes processed */
bool more;
if (likely(err >= 0)) {
unsigned int n = walk->nbytes - err;
if (unlikely(err < 0))
goto finish;
if (likely(!(walk->flags & ABLKCIPHER_WALK_SLOW)))
n = ablkcipher_done_fast(walk, n);
else if (WARN_ON(err)) {
n = walk->nbytes - err;
walk->total -= n;
more = (walk->total != 0);
if (likely(!(walk->flags & ABLKCIPHER_WALK_SLOW))) {
ablkcipher_done_fast(walk, n);
} else {
if (WARN_ON(err)) {
/* unexpected case; didn't process all bytes */
err = -EINVAL;
goto err;
} else
n = ablkcipher_done_slow(walk, n);
nbytes = walk->total - n;
err = 0;
goto finish;
}
ablkcipher_done_slow(walk, n);
}
scatterwalk_done(&walk->in, 0, nbytes);
scatterwalk_done(&walk->out, 1, nbytes);
scatterwalk_done(&walk->in, 0, more);
scatterwalk_done(&walk->out, 1, more);
err:
walk->total = nbytes;
walk->nbytes = nbytes;
if (nbytes) {
if (more) {
crypto_yield(req->base.flags);
return ablkcipher_walk_next(req, walk);
}
err = 0;
finish:
walk->nbytes = 0;
if (walk->iv != req->info)
memcpy(req->info, walk->iv, tfm->crt_ablkcipher.ivsize);
kfree(walk->iv_buffer);
return err;
}
EXPORT_SYMBOL_GPL(ablkcipher_walk_done);

54
crypto/blkcipher.c
View file

@ -71,19 +71,18 @@ static inline u8 *blkcipher_get_spot(u8 *start, unsigned int len)
return max(start, end_page);
}
static inline unsigned int blkcipher_done_slow(struct blkcipher_walk *walk,
unsigned int bsize)
static inline void blkcipher_done_slow(struct blkcipher_walk *walk,
unsigned int bsize)
{
u8 *addr;
addr = (u8 *)ALIGN((unsigned long)walk->buffer, walk->alignmask + 1);
addr = blkcipher_get_spot(addr, bsize);
scatterwalk_copychunks(addr, &walk->out, bsize, 1);
return bsize;
}
static inline unsigned int blkcipher_done_fast(struct blkcipher_walk *walk,
unsigned int n)
static inline void blkcipher_done_fast(struct blkcipher_walk *walk,
unsigned int n)
{
if (walk->flags & BLKCIPHER_WALK_COPY) {
blkcipher_map_dst(walk);
@ -97,49 +96,48 @@ static inline unsigned int blkcipher_done_fast(struct blkcipher_walk *walk,
scatterwalk_advance(&walk->in, n);
scatterwalk_advance(&walk->out, n);
return n;
}
int blkcipher_walk_done(struct blkcipher_desc *desc,
struct blkcipher_walk *walk, int err)
{
unsigned int nbytes = 0;
unsigned int n; /* bytes processed */
bool more;
if (likely(err >= 0)) {
unsigned int n = walk->nbytes - err;
if (unlikely(err < 0))
goto finish;
if (likely(!(walk->flags & BLKCIPHER_WALK_SLOW)))
n = blkcipher_done_fast(walk, n);
else if (WARN_ON(err)) {
n = walk->nbytes - err;
walk->total -= n;
more = (walk->total != 0);
if (likely(!(walk->flags & BLKCIPHER_WALK_SLOW))) {
blkcipher_done_fast(walk, n);
} else {
if (WARN_ON(err)) {
/* unexpected case; didn't process all bytes */
err = -EINVAL;
goto err;
} else
n = blkcipher_done_slow(walk, n);
nbytes = walk->total - n;
err = 0;
goto finish;
}
blkcipher_done_slow(walk, n);
}
scatterwalk_done(&walk->in, 0, nbytes);
scatterwalk_done(&walk->out, 1, nbytes);
scatterwalk_done(&walk->in, 0, more);
scatterwalk_done(&walk->out, 1, more);
err:
walk->total = nbytes;
walk->nbytes = nbytes;
if (nbytes) {
if (more) {
crypto_yield(desc->flags);
return blkcipher_walk_next(desc, walk);
}
err = 0;
finish:
walk->nbytes = 0;
if (walk->iv != desc->info)
memcpy(desc->info, walk->iv, walk->ivsize);
if (walk->buffer != walk->page)
kfree(walk->buffer);
if (walk->page)
free_page((unsigned long)walk->page);
return err;
}
EXPORT_SYMBOL_GPL(blkcipher_walk_done);

16
crypto/testmgr.c
View file

@ -3949,6 +3949,22 @@ static const struct alg_test_desc alg_test_descs[] = {
}
}
}
}, {
.alg = "zstd",
.test = alg_test_comp,
.fips_allowed = 1,
.suite = {
.comp = {
.comp = {
.vecs = zstd_comp_tv_template,
.count = ZSTD_COMP_TEST_VECTORS
},
.decomp = {
.vecs = zstd_decomp_tv_template,
.count = ZSTD_DECOMP_TEST_VECTORS
}
}
}
}
};

74
crypto/testmgr.h
View file

@ -35331,4 +35331,78 @@ static struct comp_testvec lz4hc_decomp_tv_template[] = {
},
};
#define ZSTD_COMP_TEST_VECTORS 2
#define ZSTD_DECOMP_TEST_VECTORS 2
static struct comp_testvec zstd_comp_tv_template[] = {
{
.inlen = 68,
.outlen = 39,
.input = "The algorithm is zstd. "
"The algorithm is zstd. "
"The algorithm is zstd.",
.output = "\x28\xb5\x2f\xfd\x00\x50\xf5\x00\x00\xb8\x54\x68\x65"
"\x20\x61\x6c\x67\x6f\x72\x69\x74\x68\x6d\x20\x69\x73"
"\x20\x7a\x73\x74\x64\x2e\x20\x01\x00\x55\x73\x36\x01"
,
},
{
.inlen = 244,
.outlen = 151,
.input = "zstd, short for Zstandard, is a fast lossless "
"compression algorithm, targeting real-time "
"compression scenarios at zlib-level and better "
"compression ratios. The zstd compression library "
"provides in-memory compression and decompression "
"functions.",
.output = "\x28\xb5\x2f\xfd\x00\x50\x75\x04\x00\x42\x4b\x1e\x17"
"\x90\x81\x31\x00\xf2\x2f\xe4\x36\xc9\xef\x92\x88\x32"
"\xc9\xf2\x24\x94\xd8\x68\x9a\x0f\x00\x0c\xc4\x31\x6f"
"\x0d\x0c\x38\xac\x5c\x48\x03\xcd\x63\x67\xc0\xf3\xad"
"\x4e\x90\xaa\x78\xa0\xa4\xc5\x99\xda\x2f\xb6\x24\x60"
"\xe2\x79\x4b\xaa\xb6\x6b\x85\x0b\xc9\xc6\x04\x66\x86"
"\xe2\xcc\xe2\x25\x3f\x4f\x09\xcd\xb8\x9d\xdb\xc1\x90"
"\xa9\x11\xbc\x35\x44\x69\x2d\x9c\x64\x4f\x13\x31\x64"
"\xcc\xfb\x4d\x95\x93\x86\x7f\x33\x7f\x1a\xef\xe9\x30"
"\xf9\x67\xa1\x94\x0a\x69\x0f\x60\xcd\xc3\xab\x99\xdc"
"\x42\xed\x97\x05\x00\x33\xc3\x15\x95\x3a\x06\xa0\x0e"
"\x20\xa9\x0e\x82\xb9\x43\x45\x01",
},
};
static struct comp_testvec zstd_decomp_tv_template[] = {
{
.inlen = 43,
.outlen = 68,
.input = "\x28\xb5\x2f\xfd\x04\x50\xf5\x00\x00\xb8\x54\x68\x65"
"\x20\x61\x6c\x67\x6f\x72\x69\x74\x68\x6d\x20\x69\x73"
"\x20\x7a\x73\x74\x64\x2e\x20\x01\x00\x55\x73\x36\x01"
"\x6b\xf4\x13\x35",
.output = "The algorithm is zstd. "
"The algorithm is zstd. "
"The algorithm is zstd.",
},
{
.inlen = 155,
.outlen = 244,
.input = "\x28\xb5\x2f\xfd\x04\x50\x75\x04\x00\x42\x4b\x1e\x17"
"\x90\x81\x31\x00\xf2\x2f\xe4\x36\xc9\xef\x92\x88\x32"
"\xc9\xf2\x24\x94\xd8\x68\x9a\x0f\x00\x0c\xc4\x31\x6f"
"\x0d\x0c\x38\xac\x5c\x48\x03\xcd\x63\x67\xc0\xf3\xad"
"\x4e\x90\xaa\x78\xa0\xa4\xc5\x99\xda\x2f\xb6\x24\x60"
"\xe2\x79\x4b\xaa\xb6\x6b\x85\x0b\xc9\xc6\x04\x66\x86"
"\xe2\xcc\xe2\x25\x3f\x4f\x09\xcd\xb8\x9d\xdb\xc1\x90"
"\xa9\x11\xbc\x35\x44\x69\x2d\x9c\x64\x4f\x13\x31\x64"
"\xcc\xfb\x4d\x95\x93\x86\x7f\x33\x7f\x1a\xef\xe9\x30"
"\xf9\x67\xa1\x94\x0a\x69\x0f\x60\xcd\xc3\xab\x99\xdc"
"\x42\xed\x97\x05\x00\x33\xc3\x15\x95\x3a\x06\xa0\x0e"
"\x20\xa9\x0e\x82\xb9\x43\x45\x01\xaa\x6d\xda\x0d",
.output = "zstd, short for Zstandard, is a fast lossless "
"compression algorithm, targeting real-time "
"compression scenarios at zlib-level and better "
"compression ratios. The zstd compression library "
"provides in-memory compression and decompression "
"functions.",
},
};
#endif /* _CRYPTO_TESTMGR_H */

432
crypto/vmac.c
View file

@ -1,6 +1,10 @@
/*
* Modified to interface to the Linux kernel
* VMAC: Message Authentication Code using Universal Hashing
*
* Reference: https://tools.ietf.org/html/draft-krovetz-vmac-01
*
* Copyright (c) 2009, Intel Corporation.
* Copyright (c) 2018, Google Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@ -16,14 +20,15 @@
* Place - Suite 330, Boston, MA 02111-1307 USA.
*/
/* --------------------------------------------------------------------------
* VMAC and VHASH Implementation by Ted Krovetz (tdk@acm.org) and Wei Dai.
* This implementation is herby placed in the public domain.
* The authors offers no warranty. Use at your own risk.
* Please send bug reports to the authors.
* Last modified: 17 APR 08, 1700 PDT
* ----------------------------------------------------------------------- */
/*
* Derived from:
* VMAC and VHASH Implementation by Ted Krovetz (tdk@acm.org) and Wei Dai.
* This implementation is herby placed in the public domain.
* The authors offers no warranty. Use at your own risk.
* Last modified: 17 APR 08, 1700 PDT
*/
#include <asm/unaligned.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/crypto.h>
@ -31,9 +36,35 @@
#include <linux/scatterlist.h>
#include <asm/byteorder.h>
#include <crypto/scatterwalk.h>
#include <crypto/vmac.h>
#include <crypto/internal/hash.h>
/*
* User definable settings.
*/
#define VMAC_TAG_LEN 64
#define VMAC_KEY_SIZE 128/* Must be 128, 192 or 256 */
#define VMAC_KEY_LEN (VMAC_KEY_SIZE/8)
#define VMAC_NHBYTES 128/* Must 2^i for any 3 < i < 13 Standard = 128*/
/* per-transform (per-key) context */
struct vmac_tfm_ctx {
struct crypto_cipher *cipher;
u64 nhkey[(VMAC_NHBYTES/8)+2*(VMAC_TAG_LEN/64-1)];
u64 polykey[2*VMAC_TAG_LEN/64];
u64 l3key[2*VMAC_TAG_LEN/64];
};
/* per-request context */
struct vmac_desc_ctx {
union {
u8 partial[VMAC_NHBYTES]; /* partial block */
__le64 partial_words[VMAC_NHBYTES / 8];
};
unsigned int partial_size; /* size of the partial block */
bool first_block_processed;
u64 polytmp[2*VMAC_TAG_LEN/64]; /* running total of L2-hash */
};
/*
* Constants and masks
*/
@ -318,13 +349,6 @@ static void poly_step_func(u64 *ahi, u64 *alo,
} while (0)
#endif
static void vhash_abort(struct vmac_ctx *ctx)
{
ctx->polytmp[0] = ctx->polykey[0] ;
ctx->polytmp[1] = ctx->polykey[1] ;
ctx->first_block_processed = 0;
}
static u64 l3hash(u64 p1, u64 p2, u64 k1, u64 k2, u64 len)
{
u64 rh, rl, t, z = 0;
@ -364,280 +388,209 @@ static u64 l3hash(u64 p1, u64 p2, u64 k1, u64 k2, u64 len)
return rl;
}
static void vhash_update(const unsigned char *m,
unsigned int mbytes, /* Pos multiple of VMAC_NHBYTES */
struct vmac_ctx *ctx)
/* L1 and L2-hash one or more VMAC_NHBYTES-byte blocks */
static void vhash_blocks(const struct vmac_tfm_ctx *tctx,
struct vmac_desc_ctx *dctx,
const __le64 *mptr, unsigned int blocks)
{
u64 rh, rl, *mptr;
const u64 *kptr = (u64 *)ctx->nhkey;
int i;
u64 ch, cl;
u64 pkh = ctx->polykey[0];
u64 pkl = ctx->polykey[1];
const u64 *kptr = tctx->nhkey;
const u64 pkh = tctx->polykey[0];
const u64 pkl = tctx->polykey[1];
u64 ch = dctx->polytmp[0];
u64 cl = dctx->polytmp[1];
u64 rh, rl;
if (!mbytes)
return;
BUG_ON(mbytes % VMAC_NHBYTES);
mptr = (u64 *)m;
i = mbytes / VMAC_NHBYTES; /* Must be non-zero */
ch = ctx->polytmp[0];
cl = ctx->polytmp[1];
if (!ctx->first_block_processed) {
ctx->first_block_processed = 1;
if (!dctx->first_block_processed) {
dctx->first_block_processed = true;
nh_vmac_nhbytes(mptr, kptr, VMAC_NHBYTES/8, rh, rl);
rh &= m62;
ADD128(ch, cl, rh, rl);
mptr += (VMAC_NHBYTES/sizeof(u64));
i--;
blocks--;
}
while (i--) {
while (blocks--) {
nh_vmac_nhbytes(mptr, kptr, VMAC_NHBYTES/8, rh, rl);
rh &= m62;
poly_step(ch, cl, pkh, pkl, rh, rl);
mptr += (VMAC_NHBYTES/sizeof(u64));
}
ctx->polytmp[0] = ch;
ctx->polytmp[1] = cl;
dctx->polytmp[0] = ch;
dctx->polytmp[1] = cl;
}
static u64 vhash(unsigned char m[], unsigned int mbytes,
u64 *tagl, struct vmac_ctx *ctx)
static int vmac_setkey(struct crypto_shash *tfm,
const u8 *key, unsigned int keylen)
{
u64 rh, rl, *mptr;
const u64 *kptr = (u64 *)ctx->nhkey;
int i, remaining;
u64 ch, cl;
u64 pkh = ctx->polykey[0];
u64 pkl = ctx->polykey[1];
struct vmac_tfm_ctx *tctx = crypto_shash_ctx(tfm);
__be64 out[2];
u8 in[16] = { 0 };
unsigned int i;
int err;
mptr = (u64 *)m;
i = mbytes / VMAC_NHBYTES;
remaining = mbytes % VMAC_NHBYTES;
if (ctx->first_block_processed) {
ch = ctx->polytmp[0];
cl = ctx->polytmp[1];
} else if (i) {
nh_vmac_nhbytes(mptr, kptr, VMAC_NHBYTES/8, ch, cl);
ch &= m62;
ADD128(ch, cl, pkh, pkl);
mptr += (VMAC_NHBYTES/sizeof(u64));
i--;
} else if (remaining) {
nh_16(mptr, kptr, 2*((remaining+15)/16), ch, cl);
ch &= m62;
ADD128(ch, cl, pkh, pkl);
mptr += (VMAC_NHBYTES/sizeof(u64));
goto do_l3;
} else {/* Empty String */
ch = pkh; cl = pkl;
goto do_l3;
if (keylen != VMAC_KEY_LEN) {
crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
return -EINVAL;
}
while (i--) {
nh_vmac_nhbytes(mptr, kptr, VMAC_NHBYTES/8, rh, rl);
rh &= m62;
poly_step(ch, cl, pkh, pkl, rh, rl);
mptr += (VMAC_NHBYTES/sizeof(u64));
}
if (remaining) {
nh_16(mptr, kptr, 2*((remaining+15)/16), rh, rl);
rh &= m62;
poly_step(ch, cl, pkh, pkl, rh, rl);
}
do_l3:
vhash_abort(ctx);
remaining *= 8;
return l3hash(ch, cl, ctx->l3key[0], ctx->l3key[1], remaining);
}
static u64 vmac(unsigned char m[], unsigned int mbytes,
const unsigned char n[16], u64 *tagl,
struct vmac_ctx_t *ctx)
{
u64 *in_n, *out_p;
u64 p, h;
int i;
in_n = ctx->__vmac_ctx.cached_nonce;
out_p = ctx->__vmac_ctx.cached_aes;
i = n[15] & 1;
if ((*(u64 *)(n+8) != in_n[1]) || (*(u64 *)(n) != in_n[0])) {
in_n[0] = *(u64 *)(n);
in_n[1] = *(u64 *)(n+8);
((unsigned char *)in_n)[15] &= 0xFE;
crypto_cipher_encrypt_one(ctx->child,
(unsigned char *)out_p, (unsigned char *)in_n);
((unsigned char *)in_n)[15] |= (unsigned char)(1-i);
}
p = be64_to_cpup(out_p + i);
h = vhash(m, mbytes, (u64 *)0, &ctx->__vmac_ctx);
return le64_to_cpu(p + h);
}
static int vmac_set_key(unsigned char user_key[], struct vmac_ctx_t *ctx)
{
u64 in[2] = {0}, out[2];
unsigned i;
int err = 0;
err = crypto_cipher_setkey(ctx->child, user_key, VMAC_KEY_LEN);
err = crypto_cipher_setkey(tctx->cipher, key, keylen);
if (err)
return err;
/* Fill nh key */
((unsigned char *)in)[0] = 0x80;
for (i = 0; i < sizeof(ctx->__vmac_ctx.nhkey)/8; i += 2) {
crypto_cipher_encrypt_one(ctx->child,
(unsigned char *)out, (unsigned char *)in);
ctx->__vmac_ctx.nhkey[i] = be64_to_cpup(out);
ctx->__vmac_ctx.nhkey[i+1] = be64_to_cpup(out+1);
((unsigned char *)in)[15] += 1;
in[0] = 0x80;
for (i = 0; i < ARRAY_SIZE(tctx->nhkey); i += 2) {
crypto_cipher_encrypt_one(tctx->cipher, (u8 *)out, in);
tctx->nhkey[i] = be64_to_cpu(out[0]);
tctx->nhkey[i+1] = be64_to_cpu(out[1]);
in[15]++;
}
/* Fill poly key */
((unsigned char *)in)[0] = 0xC0;
in[1] = 0;
for (i = 0; i < sizeof(ctx->__vmac_ctx.polykey)/8; i += 2) {
crypto_cipher_encrypt_one(ctx->child,
(unsigned char *)out, (unsigned char *)in);
ctx->__vmac_ctx.polytmp[i] =
ctx->__vmac_ctx.polykey[i] =
be64_to_cpup(out) & mpoly;
ctx->__vmac_ctx.polytmp[i+1] =
ctx->__vmac_ctx.polykey[i+1] =
be64_to_cpup(out+1) & mpoly;
((unsigned char *)in)[15] += 1;
in[0] = 0xC0;
in[15] = 0;
for (i = 0; i < ARRAY_SIZE(tctx->polykey); i += 2) {
crypto_cipher_encrypt_one(tctx->cipher, (u8 *)out, in);
tctx->polykey[i] = be64_to_cpu(out[0]) & mpoly;
tctx->polykey[i+1] = be64_to_cpu(out[1]) & mpoly;
in[15]++;
}
/* Fill ip key */
((unsigned char *)in)[0] = 0xE0;
in[1] = 0;
for (i = 0; i < sizeof(ctx->__vmac_ctx.l3key)/8; i += 2) {
in[0] = 0xE0;
in[15] = 0;
for (i = 0; i < ARRAY_SIZE(tctx->l3key); i += 2) {
do {
crypto_cipher_encrypt_one(ctx->child,
(unsigned char *)out, (unsigned char *)in);
ctx->__vmac_ctx.l3key[i] = be64_to_cpup(out);
ctx->__vmac_ctx.l3key[i+1] = be64_to_cpup(out+1);
((unsigned char *)in)[15] += 1;
} while (ctx->__vmac_ctx.l3key[i] >= p64
|| ctx->__vmac_ctx.l3key[i+1] >= p64);
crypto_cipher_encrypt_one(tctx->cipher, (u8 *)out, in);
tctx->l3key[i] = be64_to_cpu(out[0]);
tctx->l3key[i+1] = be64_to_cpu(out[1]);
in[15]++;
} while (tctx->l3key[i] >= p64 || tctx->l3key[i+1] >= p64);
}
/* Invalidate nonce/aes cache and reset other elements */
ctx->__vmac_ctx.cached_nonce[0] = (u64)-1; /* Ensure illegal nonce */
ctx->__vmac_ctx.cached_nonce[1] = (u64)0; /* Ensure illegal nonce */
ctx->__vmac_ctx.first_block_processed = 0;
return err;
}
static int vmac_setkey(struct crypto_shash *parent,
const u8 *key, unsigned int keylen)
{
struct vmac_ctx_t *ctx = crypto_shash_ctx(parent);
if (keylen != VMAC_KEY_LEN) {
crypto_shash_set_flags(parent, CRYPTO_TFM_RES_BAD_KEY_LEN);
return -EINVAL;
}
return vmac_set_key((u8 *)key, ctx);
}
static int vmac_init(struct shash_desc *pdesc)
{
return 0;
}
static int vmac_update(struct shash_desc *pdesc, const u8 *p,
unsigned int len)
{
struct crypto_shash *parent = pdesc->tfm;
struct vmac_ctx_t *ctx = crypto_shash_ctx(parent);
int expand;
int min;
expand = VMAC_NHBYTES - ctx->partial_size > 0 ?
VMAC_NHBYTES - ctx->partial_size : 0;
min = len < expand ? len : expand;
memcpy(ctx->partial + ctx->partial_size, p, min);
ctx->partial_size += min;
if (len < expand)
return 0;
vhash_update(ctx->partial, VMAC_NHBYTES, &ctx->__vmac_ctx);
ctx->partial_size = 0;
len -= expand;
p += expand;
if (len % VMAC_NHBYTES) {
memcpy(ctx->partial, p + len - (len % VMAC_NHBYTES),
len % VMAC_NHBYTES);
ctx->partial_size = len % VMAC_NHBYTES;
}
vhash_update(p, len - len % VMAC_NHBYTES, &ctx->__vmac_ctx);
return 0;
}
static int vmac_final(struct shash_desc *pdesc, u8 *out)
static int vmac_init(struct shash_desc *desc)
{
struct crypto_shash *parent = pdesc->tfm;
struct vmac_ctx_t *ctx = crypto_shash_ctx(parent);
vmac_t mac;
u8 nonce[16] = {};
const struct vmac_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
struct vmac_desc_ctx *dctx = shash_desc_ctx(desc);
/* vmac() ends up accessing outside the array bounds that
* we specify. In appears to access up to the next 2-word
* boundary. We'll just be uber cautious and zero the
* unwritten bytes in the buffer.
*/
if (ctx->partial_size) {
memset(ctx->partial + ctx->partial_size, 0,
VMAC_NHBYTES - ctx->partial_size);
dctx->partial_size = 0;
dctx->first_block_processed = false;
memcpy(dctx->polytmp, tctx->polykey, sizeof(dctx->polytmp));
return 0;
}
static int vmac_update(struct shash_desc *desc, const u8 *p, unsigned int len)
{
const struct vmac_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
struct vmac_desc_ctx *dctx = shash_desc_ctx(desc);
unsigned int n;
if (dctx->partial_size) {
n = min(len, VMAC_NHBYTES - dctx->partial_size);
memcpy(&dctx->partial[dctx->partial_size], p, n);
dctx->partial_size += n;
p += n;
len -= n;
if (dctx->partial_size == VMAC_NHBYTES) {
vhash_blocks(tctx, dctx, dctx->partial_words, 1);
dctx->partial_size = 0;
}
}
mac = vmac(ctx->partial, ctx->partial_size, nonce, NULL, ctx);
memcpy(out, &mac, sizeof(vmac_t));
memzero_explicit(&mac, sizeof(vmac_t));
memset(&ctx->__vmac_ctx, 0, sizeof(struct vmac_ctx));
ctx->partial_size = 0;
if (len >= VMAC_NHBYTES) {
n = round_down(len, VMAC_NHBYTES);
/* TODO: 'p' may be misaligned here */
vhash_blocks(tctx, dctx, (const __le64 *)p, n / VMAC_NHBYTES);
p += n;
len -= n;
}
if (len) {
memcpy(dctx->partial, p, len);
dctx->partial_size = len;
}
return 0;
}
static u64 vhash_final(const struct vmac_tfm_ctx *tctx,
struct vmac_desc_ctx *dctx)
{
unsigned int partial = dctx->partial_size;
u64 ch = dctx->polytmp[0];
u64 cl = dctx->polytmp[1];
/* L1 and L2-hash the final block if needed */
if (partial) {
/* Zero-pad to next 128-bit boundary */
unsigned int n = round_up(partial, 16);
u64 rh, rl;
memset(&dctx->partial[partial], 0, n - partial);
nh_16(dctx->partial_words, tctx->nhkey, n / 8, rh, rl);
rh &= m62;
if (dctx->first_block_processed)
poly_step(ch, cl, tctx->polykey[0], tctx->polykey[1],
rh, rl);
else
ADD128(ch, cl, rh, rl);
}
/* L3-hash the 128-bit output of L2-hash */
return l3hash(ch, cl, tctx->l3key[0], tctx->l3key[1], partial * 8);
}
static int vmac_final(struct shash_desc *desc, u8 *out)
{
const struct vmac_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
struct vmac_desc_ctx *dctx = shash_desc_ctx(desc);
static const u8 nonce[16] = {}; /* TODO: this is insecure */
union {
u8 bytes[16];
__be64 pads[2];
} block;
int index;
u64 hash, pad;
/* Finish calculating the VHASH of the message */
hash = vhash_final(tctx, dctx);
/* Generate pseudorandom pad by encrypting the nonce */
memcpy(&block, nonce, 16);
index = block.bytes[15] & 1;
block.bytes[15] &= ~1;
crypto_cipher_encrypt_one(tctx->cipher, block.bytes, block.bytes);
pad = be64_to_cpu(block.pads[index]);
/* The VMAC is the sum of VHASH and the pseudorandom pad */
put_unaligned_le64(hash + pad, out);
return 0;
}
static int vmac_init_tfm(struct crypto_tfm *tfm)
{
struct crypto_cipher *cipher;
struct crypto_instance *inst = (void *)tfm->__crt_alg;
struct crypto_instance *inst = crypto_tfm_alg_instance(tfm);
struct crypto_spawn *spawn = crypto_instance_ctx(inst);
struct vmac_ctx_t *ctx = crypto_tfm_ctx(tfm);
struct vmac_tfm_ctx *tctx = crypto_tfm_ctx(tfm);
struct crypto_cipher *cipher;
cipher = crypto_spawn_cipher(spawn);
if (IS_ERR(cipher))
return PTR_ERR(cipher);
ctx->child = cipher;
tctx->cipher = cipher;
return 0;
}
static void vmac_exit_tfm(struct crypto_tfm *tfm)
{
struct vmac_ctx_t *ctx = crypto_tfm_ctx(tfm);
crypto_free_cipher(ctx->child);
struct vmac_tfm_ctx *tctx = crypto_tfm_ctx(tfm);
crypto_free_cipher(tctx->cipher);
}
static int vmac_create(struct crypto_template *tmpl, struct rtattr **tb)
@ -655,6 +608,10 @@ static int vmac_create(struct crypto_template *tmpl, struct rtattr **tb)
if (IS_ERR(alg))
return PTR_ERR(alg);
err = -EINVAL;
if (alg->cra_blocksize != 16)
goto out_put_alg;
inst = shash_alloc_instance("vmac", alg);
err = PTR_ERR(inst);
if (IS_ERR(inst))
@ -670,11 +627,12 @@ static int vmac_create(struct crypto_template *tmpl, struct rtattr **tb)
inst->alg.base.cra_blocksize = alg->cra_blocksize;
inst->alg.base.cra_alignmask = alg->cra_alignmask;
inst->alg.digestsize = sizeof(vmac_t);
inst->alg.base.cra_ctxsize = sizeof(struct vmac_ctx_t);
inst->alg.base.cra_ctxsize = sizeof(struct vmac_tfm_ctx);
inst->alg.base.cra_init = vmac_init_tfm;
inst->alg.base.cra_exit = vmac_exit_tfm;
inst->alg.descsize = sizeof(struct vmac_desc_ctx);
inst->alg.digestsize = VMAC_TAG_LEN / 8;
inst->alg.init = vmac_init;
inst->alg.update = vmac_update;
inst->alg.final = vmac_final;

209
crypto/zstd.c Normal file
View file

@ -0,0 +1,209 @@
/*
* Cryptographic API.
*
* Copyright (c) 2017-present, Facebook, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#include <linux/crypto.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/net.h>
#include <linux/vmalloc.h>
#include <linux/zstd.h>
#define ZSTD_DEF_LEVEL 3
struct zstd_ctx {
ZSTD_CCtx *cctx;
ZSTD_DCtx *dctx;
void *cwksp;
void *dwksp;
};
static ZSTD_parameters zstd_params(void)
{
return ZSTD_getParams(ZSTD_DEF_LEVEL, 0, 0);
}
static int zstd_comp_init(struct zstd_ctx *ctx)
{
int ret = 0;
const ZSTD_parameters params = zstd_params();
const size_t wksp_size = ZSTD_CCtxWorkspaceBound(params.cParams);
ctx->cwksp = vzalloc(wksp_size);
if (!ctx->cwksp) {
ret = -ENOMEM;
goto out;
}
ctx->cctx = ZSTD_initCCtx(ctx->cwksp, wksp_size);
if (!ctx->cctx) {
ret = -EINVAL;
goto out_free;
}
out:
return ret;
out_free:
vfree(ctx->cwksp);
goto out;
}
static int zstd_decomp_init(struct zstd_ctx *ctx)
{
int ret = 0;
const size_t wksp_size = ZSTD_DCtxWorkspaceBound();
ctx->dwksp = vzalloc(wksp_size);
if (!ctx->dwksp) {
ret = -ENOMEM;
goto out;
}
ctx->dctx = ZSTD_initDCtx(ctx->dwksp, wksp_size);
if (!ctx->dctx) {
ret = -EINVAL;
goto out_free;
}
out:
return ret;
out_free:
vfree(ctx->dwksp);
goto out;
}
static void zstd_comp_exit(struct zstd_ctx *ctx)
{
vfree(ctx->cwksp);
ctx->cwksp = NULL;
ctx->cctx = NULL;
}
static void zstd_decomp_exit(struct zstd_ctx *ctx)
{
vfree(ctx->dwksp);
ctx->dwksp = NULL;
ctx->dctx = NULL;
}
static int __zstd_init(void *ctx)
{
int ret;
ret = zstd_comp_init(ctx);
if (ret)
return ret;
ret = zstd_decomp_init(ctx);
if (ret)
zstd_comp_exit(ctx);
return ret;
}
static int zstd_init(struct crypto_tfm *tfm)
{
struct zstd_ctx *ctx = crypto_tfm_ctx(tfm);
return __zstd_init(ctx);
}
static void __zstd_exit(void *ctx)
{
zstd_comp_exit(ctx);
zstd_decomp_exit(ctx);
}
static void zstd_exit(struct crypto_tfm *tfm)
{
struct zstd_ctx *ctx = crypto_tfm_ctx(tfm);
__zstd_exit(ctx);
}
static int __zstd_compress(const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen, void *ctx)
{
size_t out_len;
struct zstd_ctx *zctx = ctx;
const ZSTD_parameters params = zstd_params();
out_len = ZSTD_compressCCtx(zctx->cctx, dst, *dlen, src, slen, params);
if (ZSTD_isError(out_len))
return -EINVAL;
*dlen = out_len;
return 0;
}
static int zstd_compress(struct crypto_tfm *tfm, const u8 *src,
unsigned int slen, u8 *dst, unsigned int *dlen)
{
struct zstd_ctx *ctx = crypto_tfm_ctx(tfm);
return __zstd_compress(src, slen, dst, dlen, ctx);
}
static int __zstd_decompress(const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen, void *ctx)
{
size_t out_len;
struct zstd_ctx *zctx = ctx;
out_len = ZSTD_decompressDCtx(zctx->dctx, dst, *dlen, src, slen);
if (ZSTD_isError(out_len))
return -EINVAL;
*dlen = out_len;
return 0;
}
static int zstd_decompress(struct crypto_tfm *tfm, const u8 *src,
unsigned int slen, u8 *dst, unsigned int *dlen)
{
struct zstd_ctx *ctx = crypto_tfm_ctx(tfm);
return __zstd_decompress(src, slen, dst, dlen, ctx);
}
static struct crypto_alg alg = {
.cra_name = "zstd",
.cra_flags = CRYPTO_ALG_TYPE_COMPRESS,
.cra_ctxsize = sizeof(struct zstd_ctx),
.cra_module = THIS_MODULE,
.cra_init = zstd_init,
.cra_exit = zstd_exit,
.cra_u = { .compress = {
.coa_compress = zstd_compress,
.coa_decompress = zstd_decompress } }
};
static int __init zstd_mod_init(void)
{
int ret;
ret = crypto_register_alg(&alg);
if (ret)
return ret;
return ret;
}
static void __exit zstd_mod_fini(void)
{
crypto_unregister_alg(&alg);
}
module_init(zstd_mod_init);
module_exit(zstd_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Zstd Compression Algorithm");
MODULE_ALIAS_CRYPTO("zstd");

27
drivers/acpi/sleep.c
View file

@ -124,6 +124,12 @@ void __init acpi_nvs_nosave_s3(void)
nvs_nosave_s3 = true;
}
static int __init init_nvs_save_s3(const struct dmi_system_id *d)
{
nvs_nosave_s3 = false;
return 0;
}
/*
* ACPI 1.0 wants us to execute _PTS before suspending devices, so we allow the
* user to request that behavior by using the 'acpi_old_suspend_ordering'
@ -318,6 +324,27 @@ static struct dmi_system_id acpisleep_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "K54HR"),
},
},
{
.callback = init_nvs_save_s3,
.ident = "Asus 1025C",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
DMI_MATCH(DMI_PRODUCT_NAME, "1025C"),
},
},
/*
* https://bugzilla.kernel.org/show_bug.cgi?id=189431
* Lenovo G50-45 is a platform later than 2012, but needs nvs memory
* saving during S3.
*/
{
.callback = init_nvs_save_s3,
.ident = "Lenovo G50-45",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "80E3"),
},
},
{},
};

4
drivers/base/dma-removed.c
View file

@ -222,11 +222,11 @@ void *removed_alloc(struct device *dev, size_t size, dma_addr_t *handle,
bool no_kernel_mapping = dma_get_attr(DMA_ATTR_NO_KERNEL_MAPPING,
attrs);
bool skip_zeroing = dma_get_attr(DMA_ATTR_SKIP_ZEROING, attrs);
int pageno;
unsigned int pageno;
unsigned long order;
void *addr = NULL;
struct removed_region *dma_mem = dev->removed_mem;
int nbits;
unsigned int nbits;
unsigned int align;
if (!gfpflags_allow_blocking(gfp))

35
drivers/block/zram/Kconfig
View file

@ -1,8 +1,7 @@
config ZRAM
tristate "Compressed RAM block device support"
depends on BLOCK && SYSFS && ZSMALLOC
select LZO_COMPRESS
select LZO_DECOMPRESS
depends on BLOCK && SYSFS && ZSMALLOC && CRYPTO
select CRYPTO_LZO
default n
help
Creates virtual block devices called /dev/zramX (X = 0, 1, ...).
@ -13,14 +12,26 @@ config ZRAM
It has several use cases, for example: /tmp storage, use as swap
disks and maybe many more.
See zram.txt for more information.
See Documentation/blockdev/zram.txt for more information.
config ZRAM_LZ4_COMPRESS
bool "Enable LZ4 algorithm support"
depends on ZRAM
select LZ4_COMPRESS
select LZ4_DECOMPRESS
default n
config ZRAM_WRITEBACK
bool "Write back incompressible page to backing device"
depends on ZRAM
default n
help
With incompressible page, there is no memory saving to keep it
in memory. Instead, write it out to backing device.
For this feature, admin should set up backing device via
/sys/block/zramX/backing_dev.
See Documentation/blockdev/zram.txt for more information.
config ZRAM_MEMORY_TRACKING
bool "Track zRam block status"
depends on ZRAM && DEBUG_FS
help
This option enables LZ4 compression algorithm support. Compression
algorithm can be changed using `comp_algorithm' device attribute.
With this feature, admin can track the state of allocated blocks
of zRAM. Admin could see the information via
/sys/kernel/debug/zram/zramX/block_state.
See Documentation/blockdev/zram.txt for more information.

4
drivers/block/zram/Makefile
View file

@ -1,5 +1,3 @@
zram-y := zcomp_lzo.o zcomp.o zram_drv.o
zram-$(CONFIG_ZRAM_LZ4_COMPRESS) += zcomp_lz4.o
zram-y := zcomp.o zram_drv.o
obj-$(CONFIG_ZRAM) += zram.o

411
drivers/block/zram/zcomp.c
View file

@ -13,315 +13,233 @@
#include <linux/slab.h>
#include <linux/wait.h>
#include <linux/sched.h>
#include <linux/cpu.h>
#include <linux/crypto.h>
#include "zcomp.h"
#include "zcomp_lzo.h"
#ifdef CONFIG_ZRAM_LZ4_COMPRESS
#include "zcomp_lz4.h"
static const char * const backends[] = {
"lzo",
#if IS_ENABLED(CONFIG_CRYPTO_LZ4)
"lz4",
#endif
/*
* single zcomp_strm backend
*/
struct zcomp_strm_single {
struct mutex strm_lock;
struct zcomp_strm *zstrm;
};
/*
* multi zcomp_strm backend
*/
struct zcomp_strm_multi {
/* protect strm list */
spinlock_t strm_lock;
/* max possible number of zstrm streams */
int max_strm;
/* number of available zstrm streams */
int avail_strm;
/* list of available strms */
struct list_head idle_strm;
wait_queue_head_t strm_wait;
};
static struct zcomp_backend *backends[] = {
&zcomp_lzo,
#ifdef CONFIG_ZRAM_LZ4_COMPRESS
&zcomp_lz4,
#if IS_ENABLED(CONFIG_CRYPTO_DEFLATE)
"deflate",
#endif
#if IS_ENABLED(CONFIG_CRYPTO_LZ4HC)
"lz4hc",
#endif
#if IS_ENABLED(CONFIG_CRYPTO_842)
"842",
#endif
#if IS_ENABLED(CONFIG_CRYPTO_ZSTD)
"zstd",
#endif
NULL
};
static struct zcomp_backend *find_backend(const char *compress)
static void zcomp_strm_free(struct zcomp_strm *zstrm)
{
int i = 0;
while (backends[i]) {
if (sysfs_streq(compress, backends[i]->name))
break;
i++;
}
return backends[i];
}
static void zcomp_strm_free(struct zcomp *comp, struct zcomp_strm *zstrm)
{
if (zstrm->private)
comp->backend->destroy(zstrm->private);
if (!IS_ERR_OR_NULL(zstrm->tfm))
crypto_free_comp(zstrm->tfm);
free_pages((unsigned long)zstrm->buffer, 1);
kfree(zstrm);
}
/*
* allocate new zcomp_strm structure with ->private initialized by
* allocate new zcomp_strm structure with ->tfm initialized by
* backend, return NULL on error
*/
static struct zcomp_strm *zcomp_strm_alloc(struct zcomp *comp)
{
struct zcomp_strm *zstrm = kmalloc(sizeof(*zstrm), GFP_NOIO);
struct zcomp_strm *zstrm = kmalloc(sizeof(*zstrm), GFP_KERNEL);
if (!zstrm)
return NULL;
zstrm->private = comp->backend->create();
zstrm->tfm = crypto_alloc_comp(comp->name, 0, 0);
/*
* allocate 2 pages. 1 for compressed data, plus 1 extra for the
* case when compressed size is larger than the original one
*/
zstrm->buffer = (void *)__get_free_pages(GFP_NOIO | __GFP_ZERO, 1);
if (!zstrm->private || !zstrm->buffer) {
zcomp_strm_free(comp, zstrm);
zstrm->buffer = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, 1);
if (IS_ERR_OR_NULL(zstrm->tfm) || !zstrm->buffer) {
zcomp_strm_free(zstrm);
zstrm = NULL;
}
return zstrm;
}
/*
* get idle zcomp_strm or wait until other process release
* (zcomp_strm_release()) one for us
*/
static struct zcomp_strm *zcomp_strm_multi_find(struct zcomp *comp)
bool zcomp_available_algorithm(const char *comp)
{
struct zcomp_strm_multi *zs = comp->stream;
struct zcomp_strm *zstrm;
int i = 0;
while (1) {
spin_lock(&zs->strm_lock);
if (!list_empty(&zs->idle_strm)) {
zstrm = list_entry(zs->idle_strm.next,
struct zcomp_strm, list);
list_del(&zstrm->list);
spin_unlock(&zs->strm_lock);
return zstrm;
}
/* zstrm streams limit reached, wait for idle stream */
if (zs->avail_strm >= zs->max_strm) {
spin_unlock(&zs->strm_lock);
wait_event(zs->strm_wait, !list_empty(&zs->idle_strm));
continue;
}
/* allocate new zstrm stream */
zs->avail_strm++;
spin_unlock(&zs->strm_lock);
zstrm = zcomp_strm_alloc(comp);
if (!zstrm) {
spin_lock(&zs->strm_lock);
zs->avail_strm--;
spin_unlock(&zs->strm_lock);
wait_event(zs->strm_wait, !list_empty(&zs->idle_strm));
continue;
}
break;
}
return zstrm;
}
/* add stream back to idle list and wake up waiter or free the stream */
static void zcomp_strm_multi_release(struct zcomp *comp, struct zcomp_strm *zstrm)
{
struct zcomp_strm_multi *zs = comp->stream;
spin_lock(&zs->strm_lock);
if (zs->avail_strm <= zs->max_strm) {
list_add(&zstrm->list, &zs->idle_strm);
spin_unlock(&zs->strm_lock);
wake_up(&zs->strm_wait);
return;
while (backends[i]) {
if (sysfs_streq(comp, backends[i]))
return true;
i++;
}
zs->avail_strm--;
spin_unlock(&zs->strm_lock);
zcomp_strm_free(comp, zstrm);
}
/* change max_strm limit */
static bool zcomp_strm_multi_set_max_streams(struct zcomp *comp, int num_strm)
{
struct zcomp_strm_multi *zs = comp->stream;
struct zcomp_strm *zstrm;
spin_lock(&zs->strm_lock);
zs->max_strm = num_strm;
/*
* if user has lowered the limit and there are idle streams,
* immediately free as much streams (and memory) as we can.
* Crypto does not ignore a trailing new line symbol,
* so make sure you don't supply a string containing
* one.
* This also means that we permit zcomp initialisation
* with any compressing algorithm known to crypto api.
*/
while (zs->avail_strm > num_strm && !list_empty(&zs->idle_strm)) {
zstrm = list_entry(zs->idle_strm.next,
struct zcomp_strm, list);
list_del(&zstrm->list);
zcomp_strm_free(comp, zstrm);
zs->avail_strm--;
}
spin_unlock(&zs->strm_lock);
return true;
}
static void zcomp_strm_multi_destroy(struct zcomp *comp)
{
struct zcomp_strm_multi *zs = comp->stream;
struct zcomp_strm *zstrm;
while (!list_empty(&zs->idle_strm)) {
zstrm = list_entry(zs->idle_strm.next,
struct zcomp_strm, list);
list_del(&zstrm->list);
zcomp_strm_free(comp, zstrm);
}
kfree(zs);
}
static int zcomp_strm_multi_create(struct zcomp *comp, int max_strm)
{
struct zcomp_strm *zstrm;
struct zcomp_strm_multi *zs;
comp->destroy = zcomp_strm_multi_destroy;
comp->strm_find = zcomp_strm_multi_find;
comp->strm_release = zcomp_strm_multi_release;
comp->set_max_streams = zcomp_strm_multi_set_max_streams;
zs = kmalloc(sizeof(struct zcomp_strm_multi), GFP_KERNEL);
if (!zs)
return -ENOMEM;
comp->stream = zs;
spin_lock_init(&zs->strm_lock);
INIT_LIST_HEAD(&zs->idle_strm);
init_waitqueue_head(&zs->strm_wait);
zs->max_strm = max_strm;
zs->avail_strm = 1;
zstrm = zcomp_strm_alloc(comp);
if (!zstrm) {
kfree(zs);
return -ENOMEM;
}
list_add(&zstrm->list, &zs->idle_strm);
return 0;
}
static struct zcomp_strm *zcomp_strm_single_find(struct zcomp *comp)
{
struct zcomp_strm_single *zs = comp->stream;
mutex_lock(&zs->strm_lock);
return zs->zstrm;
}
static void zcomp_strm_single_release(struct zcomp *comp,
struct zcomp_strm *zstrm)
{
struct zcomp_strm_single *zs = comp->stream;
mutex_unlock(&zs->strm_lock);
}
static bool zcomp_strm_single_set_max_streams(struct zcomp *comp, int num_strm)
{
/* zcomp_strm_single support only max_comp_streams == 1 */
return false;
}
static void zcomp_strm_single_destroy(struct zcomp *comp)
{
struct zcomp_strm_single *zs = comp->stream;
zcomp_strm_free(comp, zs->zstrm);
kfree(zs);
}
static int zcomp_strm_single_create(struct zcomp *comp)
{
struct zcomp_strm_single *zs;
comp->destroy = zcomp_strm_single_destroy;
comp->strm_find = zcomp_strm_single_find;
comp->strm_release = zcomp_strm_single_release;
comp->set_max_streams = zcomp_strm_single_set_max_streams;
zs = kmalloc(sizeof(struct zcomp_strm_single), GFP_KERNEL);
if (!zs)
return -ENOMEM;
comp->stream = zs;
mutex_init(&zs->strm_lock);
zs->zstrm = zcomp_strm_alloc(comp);
if (!zs->zstrm) {
kfree(zs);
return -ENOMEM;
}
return 0;
return crypto_has_comp(comp, 0, 0) == 1;
}
/* show available compressors */
ssize_t zcomp_available_show(const char *comp, char *buf)
{
bool known_algorithm = false;
ssize_t sz = 0;
int i = 0;
while (backends[i]) {
if (!strcmp(comp, backends[i]->name))
for (; backends[i]; i++) {
if (!strcmp(comp, backends[i])) {
known_algorithm = true;
sz += scnprintf(buf + sz, PAGE_SIZE - sz - 2,
"[%s] ", backends[i]->name);
else
"[%s] ", backends[i]);
} else {
sz += scnprintf(buf + sz, PAGE_SIZE - sz - 2,
"%s ", backends[i]->name);
i++;
"%s ", backends[i]);
}
}
/*
* Out-of-tree module known to crypto api or a missing
* entry in `backends'.
*/
if (!known_algorithm && crypto_has_comp(comp, 0, 0) == 1)
sz += scnprintf(buf + sz, PAGE_SIZE - sz - 2,
"[%s] ", comp);
sz += scnprintf(buf + sz, PAGE_SIZE - sz, "\n");
return sz;
}
bool zcomp_available_algorithm(const char *comp)
struct zcomp_strm *zcomp_stream_get(struct zcomp *comp)
{
return find_backend(comp) != NULL;
return *get_cpu_ptr(comp->stream);
}
bool zcomp_set_max_streams(struct zcomp *comp, int num_strm)
void zcomp_stream_put(struct zcomp *comp)
{
return comp->set_max_streams(comp, num_strm);
put_cpu_ptr(comp->stream);
}
struct zcomp_strm *zcomp_strm_find(struct zcomp *comp)
int zcomp_compress(struct zcomp_strm *zstrm,
const void *src, unsigned int *dst_len)
{
return comp->strm_find(comp);
/*
* Our dst memory (zstrm->buffer) is always `2 * PAGE_SIZE' sized
* because sometimes we can endup having a bigger compressed data
* due to various reasons: for example compression algorithms tend
* to add some padding to the compressed buffer. Speaking of padding,
* comp algorithm `842' pads the compressed length to multiple of 8
* and returns -ENOSP when the dst memory is not big enough, which
* is not something that ZRAM wants to see. We can handle the
* `compressed_size > PAGE_SIZE' case easily in ZRAM, but when we
* receive -ERRNO from the compressing backend we can't help it
* anymore. To make `842' happy we need to tell the exact size of
* the dst buffer, zram_drv will take care of the fact that
* compressed buffer is too big.
*/
*dst_len = PAGE_SIZE * 2;
return crypto_comp_compress(zstrm->tfm,
src, PAGE_SIZE,
zstrm->buffer, dst_len);
}
void zcomp_strm_release(struct zcomp *comp, struct zcomp_strm *zstrm)
int zcomp_decompress(struct zcomp_strm *zstrm,
const void *src, unsigned int src_len, void *dst)
{
comp->strm_release(comp, zstrm);
unsigned int dst_len = PAGE_SIZE;
return crypto_comp_decompress(zstrm->tfm,
src, src_len,
dst, &dst_len);
}
int zcomp_compress(struct zcomp *comp, struct zcomp_strm *zstrm,
const unsigned char *src, size_t *dst_len)
static int __zcomp_cpu_notifier(struct zcomp *comp,
unsigned long action, unsigned long cpu)
{
return comp->backend->compress(src, zstrm->buffer, dst_len,
zstrm->private);
struct zcomp_strm *zstrm;
switch (action) {
case CPU_UP_PREPARE:
if (WARN_ON(*per_cpu_ptr(comp->stream, cpu)))
break;
zstrm = zcomp_strm_alloc(comp);
if (IS_ERR_OR_NULL(zstrm)) {
pr_err("Can't allocate a compression stream\n");
return NOTIFY_BAD;
}
*per_cpu_ptr(comp->stream, cpu) = zstrm;
break;
case CPU_DEAD:
case CPU_UP_CANCELED:
zstrm = *per_cpu_ptr(comp->stream, cpu);
if (!IS_ERR_OR_NULL(zstrm))
zcomp_strm_free(zstrm);
*per_cpu_ptr(comp->stream, cpu) = NULL;
break;
default:
break;
}
return NOTIFY_OK;
}
int zcomp_decompress(struct zcomp *comp, const unsigned char *src,
size_t src_len, unsigned char *dst)
static int zcomp_cpu_notifier(struct notifier_block *nb,
unsigned long action, void *pcpu)
{
return comp->backend->decompress(src, src_len, dst);
unsigned long cpu = (unsigned long)pcpu;
struct zcomp *comp = container_of(nb, typeof(*comp), notifier);
return __zcomp_cpu_notifier(comp, action, cpu);
}
static int zcomp_init(struct zcomp *comp)
{
unsigned long cpu;
int ret;
comp->notifier.notifier_call = zcomp_cpu_notifier;
comp->stream = alloc_percpu(struct zcomp_strm *);
if (!comp->stream)
return -ENOMEM;
cpu_notifier_register_begin();
for_each_online_cpu(cpu) {
ret = __zcomp_cpu_notifier(comp, CPU_UP_PREPARE, cpu);
if (ret == NOTIFY_BAD)
goto cleanup;
}
__register_cpu_notifier(&comp->notifier);
cpu_notifier_register_done();
return 0;
cleanup:
for_each_online_cpu(cpu)
__zcomp_cpu_notifier(comp, CPU_UP_CANCELED, cpu);
cpu_notifier_register_done();
return -ENOMEM;
}
void zcomp_destroy(struct zcomp *comp)
{
comp->destroy(comp);
unsigned long cpu;
cpu_notifier_register_begin();
for_each_online_cpu(cpu)
__zcomp_cpu_notifier(comp, CPU_UP_CANCELED, cpu);
__unregister_cpu_notifier(&comp->notifier);
cpu_notifier_register_done();
free_percpu(comp->stream);
kfree(comp);
}
@ -331,27 +249,22 @@ void zcomp_destroy(struct zcomp *comp)
* backend pointer or ERR_PTR if things went bad. ERR_PTR(-EINVAL)
* if requested algorithm is not supported, ERR_PTR(-ENOMEM) in
* case of allocation error, or any other error potentially
* returned by functions zcomp_strm_{multi,single}_create.
* returned by zcomp_init().
*/
struct zcomp *zcomp_create(const char *compress, int max_strm)
struct zcomp *zcomp_create(const char *compress)
{
struct zcomp *comp;
struct zcomp_backend *backend;
int error;
backend = find_backend(compress);
if (!backend)
if (!zcomp_available_algorithm(compress))
return ERR_PTR(-EINVAL);
comp = kzalloc(sizeof(struct zcomp), GFP_KERNEL);
if (!comp)
return ERR_PTR(-ENOMEM);
comp->backend = backend;
if (max_strm > 1)
error = zcomp_strm_multi_create(comp, max_strm);
else
error = zcomp_strm_single_create(comp);
comp->name = compress;
error = zcomp_init(comp);
if (error) {
kfree(comp);
return ERR_PTR(error);

48
drivers/block/zram/zcomp.h
View file

@ -10,60 +10,34 @@
#ifndef _ZCOMP_H_
#define _ZCOMP_H_
#include <linux/mutex.h>
struct zcomp_strm {
/* compression/decompression buffer */
void *buffer;
/*
* The private data of the compression stream, only compression
* stream backend can touch this (e.g. compression algorithm
* working memory)
*/
void *private;
/* used in multi stream backend, protected by backend strm_lock */
struct list_head list;
};
/* static compression backend */
struct zcomp_backend {
int (*compress)(const unsigned char *src, unsigned char *dst,
size_t *dst_len, void *private);
int (*decompress)(const unsigned char *src, size_t src_len,
unsigned char *dst);
void *(*create)(void);
void (*destroy)(void *private);
const char *name;
struct crypto_comp *tfm;
};
/* dynamic per-device compression frontend */
struct zcomp {
void *stream;
struct zcomp_backend *backend;
struct zcomp_strm * __percpu *stream;
struct notifier_block notifier;
struct zcomp_strm *(*strm_find)(struct zcomp *comp);
void (*strm_release)(struct zcomp *comp, struct zcomp_strm *zstrm);
bool (*set_max_streams)(struct zcomp *comp, int num_strm);
void (*destroy)(struct zcomp *comp);
const char *name;
};
ssize_t zcomp_available_show(const char *comp, char *buf);
bool zcomp_available_algorithm(const char *comp);
struct zcomp *zcomp_create(const char *comp, int max_strm);
struct zcomp *zcomp_create(const char *comp);
void zcomp_destroy(struct zcomp *comp);
struct zcomp_strm *zcomp_strm_find(struct zcomp *comp);
void zcomp_strm_release(struct zcomp *comp, struct zcomp_strm *zstrm);
struct zcomp_strm *zcomp_stream_get(struct zcomp *comp);
void zcomp_stream_put(struct zcomp *comp);
int zcomp_compress(struct zcomp *comp, struct zcomp_strm *zstrm,
const unsigned char *src, size_t *dst_len);
int zcomp_compress(struct zcomp_strm *zstrm,
const void *src, unsigned int *dst_len);
int zcomp_decompress(struct zcomp *comp, const unsigned char *src,
size_t src_len, unsigned char *dst);
int zcomp_decompress(struct zcomp_strm *zstrm,
const void *src, unsigned int src_len, void *dst);
bool zcomp_set_max_streams(struct zcomp *comp, int num_strm);
#endif /* _ZCOMP_H_ */

66
drivers/block/zram/zcomp_lz4.c
View file

@ -1,66 +0,0 @@
/*
* Copyright (C) 2014 Sergey Senozhatsky.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/lz4.h>
#include <linux/vmalloc.h>
#include <linux/mm.h>
#include "zcomp_lz4.h"
static void *zcomp_lz4_create(void)
{
void *ret;
/*
* This function can be called in swapout/fs write path
* so we can't use GFP_FS|IO. And it assumes we already
* have at least one stream in zram initialization so we
* don't do best effort to allocate more stream in here.
* A default stream will work well without further multiple
* streams. That's why we use NORETRY | NOWARN.
*/
ret = kzalloc(LZ4_MEM_COMPRESS, GFP_NOIO | __GFP_NORETRY |
__GFP_NOWARN);
if (!ret)
ret = __vmalloc(LZ4_MEM_COMPRESS,
GFP_NOIO | __GFP_NORETRY | __GFP_NOWARN |
__GFP_ZERO | __GFP_HIGHMEM,
PAGE_KERNEL);
return ret;
}
static void zcomp_lz4_destroy(void *private)
{
kvfree(private);
}
static int zcomp_lz4_compress(const unsigned char *src, unsigned char *dst,
size_t *dst_len, void *private)
{
/* return : Success if return 0 */
return lz4_compress(src, PAGE_SIZE, dst, dst_len, private);
}
static int zcomp_lz4_decompress(const unsigned char *src, size_t src_len,
unsigned char *dst)
{
size_t dst_len = PAGE_SIZE;
/* return : Success if return 0 */
return lz4_decompress_unknownoutputsize(src, src_len, dst, &dst_len);
}
struct zcomp_backend zcomp_lz4 = {
.compress = zcomp_lz4_compress,
.decompress = zcomp_lz4_decompress,
.create = zcomp_lz4_create,
.destroy = zcomp_lz4_destroy,
.name = "lz4",
};

17
drivers/block/zram/zcomp_lz4.h
View file

@ -1,17 +0,0 @@
/*
* Copyright (C) 2014 Sergey Senozhatsky.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _ZCOMP_LZ4_H_
#define _ZCOMP_LZ4_H_
#include "zcomp.h"
extern struct zcomp_backend zcomp_lz4;
#endif /* _ZCOMP_LZ4_H_ */

66
drivers/block/zram/zcomp_lzo.c
View file

@ -1,66 +0,0 @@
/*
* Copyright (C) 2014 Sergey Senozhatsky.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/lzo.h>
#include <linux/vmalloc.h>
#include <linux/mm.h>
#include "zcomp_lzo.h"
static void *lzo_create(void)
{
void *ret;
/*
* This function can be called in swapout/fs write path
* so we can't use GFP_FS|IO. And it assumes we already
* have at least one stream in zram initialization so we
* don't do best effort to allocate more stream in here.
* A default stream will work well without further multiple
* streams. That's why we use NORETRY | NOWARN.
*/
ret = kzalloc(LZO1X_MEM_COMPRESS, GFP_NOIO | __GFP_NORETRY |
__GFP_NOWARN);
if (!ret)
ret = __vmalloc(LZO1X_MEM_COMPRESS,
GFP_NOIO | __GFP_NORETRY | __GFP_NOWARN |
__GFP_ZERO | __GFP_HIGHMEM,
PAGE_KERNEL);
return ret;
}
static void lzo_destroy(void *private)
{
kvfree(private);
}
static int lzo_compress(const unsigned char *src, unsigned char *dst,
size_t *dst_len, void *private)
{
int ret = lzo1x_1_compress(src, PAGE_SIZE, dst, dst_len, private);
return ret == LZO_E_OK ? 0 : ret;
}
static int lzo_decompress(const unsigned char *src, size_t src_len,
unsigned char *dst)
{
size_t dst_len = PAGE_SIZE;
int ret = lzo1x_decompress_safe(src, src_len, dst, &dst_len);
return ret == LZO_E_OK ? 0 : ret;
}
struct zcomp_backend zcomp_lzo = {
.compress = lzo_compress,
.decompress = lzo_decompress,
.create = lzo_create,
.destroy = lzo_destroy,
.name = "lzo",
};

17
drivers/block/zram/zcomp_lzo.h
View file

@ -1,17 +0,0 @@
/*
* Copyright (C) 2014 Sergey Senozhatsky.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _ZCOMP_LZO_H_
#define _ZCOMP_LZO_H_
#include "zcomp.h"
extern struct zcomp_backend zcomp_lzo;
#endif /* _ZCOMP_LZO_H_ */

1431
drivers/block/zram/zram_drv.c
View file

File diff suppressed because it is too large Load diff

48
drivers/block/zram/zram_drv.h
View file

@ -15,8 +15,9 @@
#ifndef _ZRAM_DRV_H_
#define _ZRAM_DRV_H_
#include <linux/spinlock.h>
#include <linux/rwsem.h>
#include <linux/zsmalloc.h>
#include <linux/crypto.h>
#include "zcomp.h"
@ -59,9 +60,11 @@ static const size_t max_zpage_size = PAGE_SIZE / 4 * 3;
/* Flags for zram pages (table[page_no].value) */
enum zram_pageflags {
/* Page consists entirely of zeros */
ZRAM_ZERO = ZRAM_FLAG_SHIFT,
ZRAM_ACCESS, /* page is now accessed */
/* zram slot is locked */
ZRAM_LOCK = ZRAM_FLAG_SHIFT,
ZRAM_SAME, /* Page consists the same element */
ZRAM_WB, /* page is stored on backing_device */
ZRAM_HUGE, /* Incompressible page */
__NR_ZRAM_PAGEFLAGS,
};
@ -70,8 +73,14 @@ enum zram_pageflags {
/* Allocated for each disk page */
struct zram_table_entry {
unsigned long handle;
union {
unsigned long handle;
unsigned long element;
};
unsigned long value;
#ifdef CONFIG_ZRAM_MEMORY_TRACKING
ktime_t ac_time;
#endif
};
struct zram_stats {
@ -82,18 +91,16 @@ struct zram_stats {
atomic64_t failed_writes; /* can happen when memory is too low */
atomic64_t invalid_io; /* non-page-aligned I/O requests */
atomic64_t notify_free; /* no. of swap slot free notifications */
atomic64_t zero_pages; /* no. of zero filled pages */
atomic64_t same_pages; /* no. of same element filled pages */
atomic64_t huge_pages; /* no. of huge pages */
atomic64_t pages_stored; /* no. of pages currently stored */
atomic_long_t max_used_pages; /* no. of maximum pages stored */
};
struct zram_meta {
struct zram_table_entry *table;
struct zs_pool *mem_pool;
atomic64_t writestall; /* no. of write slow paths */
};
struct zram {
struct zram_meta *meta;
struct zram_table_entry *table;
struct zs_pool *mem_pool;
struct zcomp *comp;
struct gendisk *disk;
/* Prevent concurrent execution of device init */
@ -102,21 +109,28 @@ struct zram {
* the number of pages zram can consume for storing compressed data
*/
unsigned long limit_pages;
int max_comp_streams;
struct zram_stats stats;
atomic_t refcount; /* refcount for zram_meta */
/* wait all IO under all of cpu are done */
wait_queue_head_t io_done;
/*
* This is the limit on amount of *uncompressed* worth of data
* we can store in a disk.
*/
u64 disksize; /* bytes */
char compressor[10];
char compressor[CRYPTO_MAX_ALG_NAME];
/*
* zram is claimed so open request will be failed
*/
bool claim; /* Protected by bdev->bd_mutex */
#ifdef CONFIG_ZRAM_WRITEBACK
struct file *backing_dev;
struct block_device *bdev;
unsigned int old_block_size;
unsigned long *bitmap;
unsigned long nr_pages;
spinlock_t bitmap_lock;
#endif
#ifdef CONFIG_ZRAM_MEMORY_TRACKING
struct dentry *debugfs_dir;
#endif
};
#endif

122
drivers/char/adsprpc.c
View file

@ -68,16 +68,6 @@
#define FASTRPC_CTX_MAGIC (0xbeeddeed)
#define FASTRPC_CTX_MAX (256)
#define FASTRPC_CTXID_MASK (0xFF0)
#define NUM_DEVICES 2 /* adsprpc-smd, adsprpc-smd-secure */
#define MINOR_NUM_DEV 0
#define MINOR_NUM_SECURE_DEV 1
#define NON_SECURE_CHANNEL 0
#define SECURE_CHANNEL 1
#define ADSP_DOMAIN_ID (0)
#define MDSP_DOMAIN_ID (1)
#define SDSP_DOMAIN_ID (2)
#define CDSP_DOMAIN_ID (3)
#define IS_CACHE_ALIGNED(x) (((x) & ((L1_CACHE_BYTES)-1)) == 0)
@ -242,8 +232,6 @@ struct fastrpc_channel_ctx {
int ramdumpenabled;
void *remoteheap_ramdump_dev;
struct fastrpc_glink_info link;
/* Indicates, if channel is restricted to secure node only */
int secure;
};
struct fastrpc_apps {
@ -317,8 +305,6 @@ struct fastrpc_file {
struct fastrpc_perf perf;
struct dentry *debugfs_file;
struct mutex map_mutex;
/* Identifies the device (MINOR_NUM_DEV / MINOR_NUM_SECURE_DEV) */
int dev_minor;
};
static struct fastrpc_apps gfa;
@ -1582,11 +1568,7 @@ static void fastrpc_init(struct fastrpc_apps *me)
init_completion(&me->channel[i].work);
init_completion(&me->channel[i].workport);
me->channel[i].sesscount = 0;
/* All channels are secure by default except CDSP */
me->channel[i].secure = SECURE_CHANNEL;
}
/* Set CDSP channel to non secure */
me->channel[CDSP_DOMAIN_ID].secure = NON_SECURE_CHANNEL;
}
static int fastrpc_release_current_dsp_process(struct fastrpc_file *fl);
@ -2511,9 +2493,6 @@ static ssize_t fastrpc_debugfs_read(struct file *filp, char __user *buffer,
len += scnprintf(fileinfo + len,
DEBUGFS_SIZE - len, "%s\n\n",
chan->name);
len += scnprintf(fileinfo + len,
DEBUGFS_SIZE - len, "%s %d\n",
"secure:", chan->secure);
len += scnprintf(fileinfo + len,
DEBUGFS_SIZE - len, "%s %d\n",
"sesscount:", chan->sesscount);
@ -2542,9 +2521,6 @@ static ssize_t fastrpc_debugfs_read(struct file *filp, char __user *buffer,
len += scnprintf(fileinfo + len, DEBUGFS_SIZE - len,
"%s %d\n\n",
"SSRCOUNT:", fl->ssrcount);
len += scnprintf(fileinfo + len, DEBUGFS_SIZE - len,
"%s %d\n\n",
"DEV_MINOR:", fl->dev_minor);
len += scnprintf(fileinfo + len, DEBUGFS_SIZE - len,
"%s\n",
"LIST OF BUFS:");
@ -2682,19 +2658,6 @@ static int fastrpc_device_open(struct inode *inode, struct file *filp)
struct fastrpc_file *fl = NULL;
struct fastrpc_apps *me = &gfa;
/*
* Indicates the device node opened
* MINOR_NUM_DEV or MINOR_NUM_SECURE_DEV
*/
int dev_minor = MINOR(inode->i_rdev);
VERIFY(err, ((dev_minor == MINOR_NUM_DEV) ||
(dev_minor == MINOR_NUM_SECURE_DEV)));
if (err) {
pr_err("adsprpc: Invalid dev minor num %d\n", dev_minor);
return err;
}
VERIFY(err, NULL != (fl = kzalloc(sizeof(*fl), GFP_KERNEL)));
if (err)
return err;
@ -2709,8 +2672,6 @@ static int fastrpc_device_open(struct inode *inode, struct file *filp)
fl->apps = me;
fl->mode = FASTRPC_MODE_SERIAL;
fl->cid = -1;
fl->dev_minor = dev_minor;
if (debugfs_file != NULL)
fl->debugfs_file = debugfs_file;
memset(&fl->perf, 0, sizeof(fl->perf));
@ -2735,23 +2696,6 @@ static int fastrpc_get_info(struct fastrpc_file *fl, uint32_t *info)
VERIFY(err, cid < NUM_CHANNELS);
if (err)
goto bail;
/* Check to see if the device node is non-secure */
if (fl->dev_minor == MINOR_NUM_DEV) {
/*
* For non secure device node check and make sure that
* the channel allows non-secure access
* If not, bail. Session will not start.
* cid will remain -1 and client will not be able to
* invoke any other methods without failure
*/
if (fl->apps->channel[cid].secure == SECURE_CHANNEL) {
err = -EPERM;
pr_err("adsprpc: GetInfo failed dev %d, cid %d, secure %d\n",
fl->dev_minor, cid,
fl->apps->channel[cid].secure);
goto bail;
}
}
fl->cid = cid;
fl->ssrcount = fl->apps->channel[cid].ssrcount;
VERIFY(err, !fastrpc_session_alloc_locked(
@ -3150,41 +3094,12 @@ bail:
return err;
}
static void configure_secure_channels(uint32_t secure_domains)
{
struct fastrpc_apps *me = &gfa;
int ii = 0;
/*
* secure_domains contains the bitmask of the secure channels
* Bit 0 - ADSP
* Bit 1 - MDSP
* Bit 2 - SLPI
* Bit 3 - CDSP
*/
for (ii = ADSP_DOMAIN_ID; ii <= CDSP_DOMAIN_ID; ++ii) {
int secure = (secure_domains >> ii) & 0x01;
me->channel[ii].secure = secure;
}
}
static int fastrpc_probe(struct platform_device *pdev)
{
int err = 0;
struct fastrpc_apps *me = &gfa;
struct device *dev = &pdev->dev;
uint32_t secure_domains;
if (of_get_property(dev->of_node,
"qcom,secure-domains", NULL) != NULL) {
VERIFY(err, !of_property_read_u32(dev->of_node,
"qcom,secure-domains",
&secure_domains));
if (!err)
configure_secure_channels(secure_domains);
else
pr_info("adsprpc: unable to read the domain configuration from dts\n");
}
if (of_device_is_compatible(dev->of_node,
"qcom,msm-fastrpc-compute-cb"))
return fastrpc_cb_probe(dev);
@ -3259,7 +3174,6 @@ static int __init fastrpc_device_init(void)
{
struct fastrpc_apps *me = &gfa;
struct device *dev = NULL;
struct device *secure_dev = NULL;
int err = 0, i;
memset(me, 0, sizeof(*me));
@ -3276,7 +3190,7 @@ static int __init fastrpc_device_init(void)
cdev_init(&me->cdev, &fops);
me->cdev.owner = THIS_MODULE;
VERIFY(err, 0 == cdev_add(&me->cdev, MKDEV(MAJOR(me->dev_no), 0),
NUM_DEVICES));
1));
if (err)
goto cdev_init_bail;
me->class = class_create(THIS_MODULE, "fastrpc");
@ -3284,29 +3198,14 @@ static int __init fastrpc_device_init(void)
if (err)
goto class_create_bail;
me->compat = (NULL == fops.compat_ioctl) ? 0 : 1;
/*
* Create devices and register with sysfs
* Create first device with minor number 0
*/
dev = device_create(me->class, NULL,
MKDEV(MAJOR(me->dev_no), MINOR_NUM_DEV),
NULL, DEVICE_NAME);
MKDEV(MAJOR(me->dev_no), 0),
NULL, gcinfo[0].name);
VERIFY(err, !IS_ERR_OR_NULL(dev));
if (err)
goto device_create_bail;
/* Create secure device with minor number for secure device */
secure_dev = device_create(me->class, NULL,
MKDEV(MAJOR(me->dev_no), MINOR_NUM_SECURE_DEV),
NULL, DEVICE_NAME_SECURE);
VERIFY(err, !IS_ERR_OR_NULL(secure_dev));
if (err)
goto device_create_bail;
for (i = 0; i < NUM_CHANNELS; i++) {
me->channel[i].dev = secure_dev;
if (i == CDSP_DOMAIN_ID)
me->channel[i].dev = dev;
me->channel[i].dev = dev;
me->channel[i].ssrcount = 0;
me->channel[i].prevssrcount = 0;
me->channel[i].issubsystemup = 1;
@ -3331,11 +3230,7 @@ device_create_bail:
&me->channel[i].nb);
}
if (!IS_ERR_OR_NULL(dev))
device_destroy(me->class, MKDEV(MAJOR(me->dev_no),
MINOR_NUM_DEV));
if (!IS_ERR_OR_NULL(secure_dev))
device_destroy(me->class, MKDEV(MAJOR(me->dev_no),
MINOR_NUM_SECURE_DEV));
device_destroy(me->class, MKDEV(MAJOR(me->dev_no), 0));
class_destroy(me->class);
class_create_bail:
cdev_del(&me->cdev);
@ -3357,15 +3252,10 @@ static void __exit fastrpc_device_exit(void)
for (i = 0; i < NUM_CHANNELS; i++) {
if (!gcinfo[i].name)
continue;
device_destroy(me->class, MKDEV(MAJOR(me->dev_no), i));
subsys_notif_unregister_notifier(me->channel[i].handle,
&me->channel[i].nb);
}
/* Destroy the secure and non secure devices */
device_destroy(me->class, MKDEV(MAJOR(me->dev_no), MINOR_NUM_DEV));
device_destroy(me->class, MKDEV(MAJOR(me->dev_no),
MINOR_NUM_SECURE_DEV));
class_destroy(me->class);
cdev_del(&me->cdev);
unregister_chrdev_region(me->dev_no, NUM_CHANNELS);

1
drivers/char/adsprpc_shared.h
View file

@ -33,7 +33,6 @@
#define FASTRPC_GLINK_GUID "fastrpcglink-apps-dsp"
#define FASTRPC_SMD_GUID "fastrpcsmd-apps-dsp"
#define DEVICE_NAME "adsprpc-smd"
#define DEVICE_NAME_SECURE "adsprpc-smd-secure"
/* Set for buffers that have no virtual mapping in userspace */
#define FASTRPC_ATTR_NOVA 0x1

3
drivers/char/diag/diagchar_core.c
View file

@ -1752,15 +1752,18 @@ static int diag_switch_logging(struct diag_logging_mode_param_t *param)
i = upd - UPD_WLAN;
mutex_lock(&driver->md_session_lock);
if (driver->md_session_map[peripheral] &&
(MD_PERIPHERAL_MASK(peripheral) &
diag_mux->mux_mask) &&
!driver->pd_session_clear[i]) {
DIAG_LOG(DIAG_DEBUG_USERSPACE,
"diag_fr: User PD is already logging onto active peripheral logging\n");
mutex_unlock(&driver->md_session_lock);
driver->pd_session_clear[i] = 0;
return -EINVAL;
}
mutex_unlock(&driver->md_session_lock);
peripheral_mask =
diag_translate_mask(param->pd_mask);
param->peripheral_mask = peripheral_mask;

2
drivers/char/diag/diagfwd_bridge.c
View file

@ -23,7 +23,9 @@
#ifdef CONFIG_USB_QCOM_DIAG_BRIDGE
#include "diagfwd_hsic.h"
#endif
#ifdef CONFIG_MSM_MHI
#include "diagfwd_mhi.h"
#endif
#include "diag_dci.h"
#ifndef CONFIG_USB_QCOM_DIAG_BRIDGE

7
drivers/clk/msm/virt-reset-front.c
View file

@ -47,8 +47,8 @@ static int virtrc_front_get_clk_id(struct reset_controller_dev *rcdev,
goto err_out;
}
ret = habmm_socket_recv(handle, &rsp, &rsp_size,
UINT_MAX, 0);
ret = habmm_socket_recv(handle, &rsp, &rsp_size, UINT_MAX,
HABMM_SOCKET_RECV_FLAGS_UNINTERRUPTIBLE);
if (ret) {
pr_err("%s: habmm socket receive failed (%d)\n", map->clk_name,
ret);
@ -109,7 +109,8 @@ static int __virtrc_front_reset(struct reset_controller_dev *rcdev,
goto err_out;
}
ret = habmm_socket_recv(handle, &rsp, &rsp_size, UINT_MAX, 0);
ret = habmm_socket_recv(handle, &rsp, &rsp_size, UINT_MAX,
HABMM_SOCKET_RECV_FLAGS_UNINTERRUPTIBLE);
if (ret) {
pr_err("%s: habmm socket receive failed (%d)\n", map->clk_name,
ret);

2
drivers/dma/k3dma.c
View file

@ -660,7 +660,7 @@ static struct dma_chan *k3_of_dma_simple_xlate(struct of_phandle_args *dma_spec,
struct k3_dma_dev *d = ofdma->of_dma_data;
unsigned int request = dma_spec->args[0];
if (request > d->dma_requests)
if (request >= d->dma_requests)
return NULL;
return dma_get_slave_channel(&(d->chans[request].vc.chan));

1
drivers/gpu/drm/armada/armada_hw.h
View file

@ -160,6 +160,7 @@ enum {
CFG_ALPHAM_GRA = 0x1 << 16,
CFG_ALPHAM_CFG = 0x2 << 16,
CFG_ALPHA_MASK = 0xff << 8,
#define CFG_ALPHA(x) ((x) << 8)
CFG_PIXCMD_MASK = 0xff,
};

30
drivers/gpu/drm/armada/armada_overlay.c
View file

@ -27,6 +27,7 @@ struct armada_ovl_plane_properties {
uint16_t contrast;
uint16_t saturation;
uint32_t colorkey_mode;
uint32_t colorkey_enable;
};
struct armada_ovl_plane {
@ -62,11 +63,13 @@ armada_ovl_update_attr(struct armada_ovl_plane_properties *prop,
writel_relaxed(0x00002000, dcrtc->base + LCD_SPU_CBSH_HUE);
spin_lock_irq(&dcrtc->irq_lock);
armada_updatel(prop->colorkey_mode | CFG_ALPHAM_GRA,
CFG_CKMODE_MASK | CFG_ALPHAM_MASK | CFG_ALPHA_MASK,
dcrtc->base + LCD_SPU_DMA_CTRL1);
armada_updatel(ADV_GRACOLORKEY, 0, dcrtc->base + LCD_SPU_ADV_REG);
armada_updatel(prop->colorkey_mode,
CFG_CKMODE_MASK | CFG_ALPHAM_MASK | CFG_ALPHA_MASK,
dcrtc->base + LCD_SPU_DMA_CTRL1);
if (dcrtc->variant->has_spu_adv_reg)
armada_updatel(prop->colorkey_enable,
ADV_GRACOLORKEY | ADV_VIDCOLORKEY,
dcrtc->base + LCD_SPU_ADV_REG);
spin_unlock_irq(&dcrtc->irq_lock);
}
@ -339,8 +342,17 @@ static int armada_ovl_plane_set_property(struct drm_plane *plane,
dplane->prop.colorkey_vb |= K2B(val);
update_attr = true;
} else if (property == priv->colorkey_mode_prop) {
dplane->prop.colorkey_mode &= ~CFG_CKMODE_MASK;
dplane->prop.colorkey_mode |= CFG_CKMODE(val);
if (val == CKMODE_DISABLE) {
dplane->prop.colorkey_mode =
CFG_CKMODE(CKMODE_DISABLE) |
CFG_ALPHAM_CFG | CFG_ALPHA(255);
dplane->prop.colorkey_enable = 0;
} else {
dplane->prop.colorkey_mode =
CFG_CKMODE(val) |
CFG_ALPHAM_GRA | CFG_ALPHA(0);
dplane->prop.colorkey_enable = ADV_GRACOLORKEY;
}
update_attr = true;
} else if (property == priv->brightness_prop) {
dplane->prop.brightness = val - 256;
@ -469,7 +481,9 @@ int armada_overlay_plane_create(struct drm_device *dev, unsigned long crtcs)
dplane->prop.colorkey_yr = 0xfefefe00;
dplane->prop.colorkey_ug = 0x01010100;
dplane->prop.colorkey_vb = 0x01010100;
dplane->prop.colorkey_mode = CFG_CKMODE(CKMODE_RGB);
dplane->prop.colorkey_mode = CFG_CKMODE(CKMODE_RGB) |
CFG_ALPHAM_GRA | CFG_ALPHA(0);
dplane->prop.colorkey_enable = ADV_GRACOLORKEY;
dplane->prop.brightness = 0;
dplane->prop.contrast = 0x4000;
dplane->prop.saturation = 0x4000;

3
drivers/gpu/drm/drm_ioctl.c
View file

@ -312,6 +312,9 @@ static int drm_getcap(struct drm_device *dev, void *data, struct drm_file *file_
case DRM_CAP_ADDFB2_MODIFIERS:
req->value = dev->mode_config.allow_fb_modifiers;
break;
case DRM_CAP_CRTC_IN_VBLANK_EVENT:
req->value = 1;
break;
default:
return -EINVAL;
}

2
drivers/gpu/drm/drm_irq.c
View file

@ -1098,6 +1098,7 @@ EXPORT_SYMBOL(drm_arm_vblank_event);
void drm_crtc_arm_vblank_event(struct drm_crtc *crtc,
struct drm_pending_vblank_event *e)
{
e->event.crtc_id = crtc->base.id;
drm_arm_vblank_event(crtc->dev, drm_crtc_index(crtc), e);
}
EXPORT_SYMBOL(drm_crtc_arm_vblank_event);
@ -1144,6 +1145,7 @@ EXPORT_SYMBOL(drm_send_vblank_event);
void drm_crtc_send_vblank_event(struct drm_crtc *crtc,
struct drm_pending_vblank_event *e)
{
e->event.crtc_id = crtc->base.id;
drm_send_vblank_event(crtc->dev, drm_crtc_index(crtc), e);
}
EXPORT_SYMBOL(drm_crtc_send_vblank_event);

6
drivers/gpu/drm/exynos/exynos5433_drm_decon.c
View file

@ -190,7 +190,7 @@ static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win,
unsigned long val;
val = readl(ctx->addr + DECON_WINCONx(win));
val &= ~WINCONx_BPPMODE_MASK;
val &= WINCONx_ENWIN_F;
switch (fb->pixel_format) {
case DRM_FORMAT_XRGB1555:
@ -278,8 +278,8 @@ static void decon_update_plane(struct exynos_drm_crtc *crtc,
COORDINATE_Y(plane->crtc_y + plane->crtc_h - 1);
writel(val, ctx->addr + DECON_VIDOSDxB(win));
val = VIDOSD_Wx_ALPHA_R_F(0x0) | VIDOSD_Wx_ALPHA_G_F(0x0) |
VIDOSD_Wx_ALPHA_B_F(0x0);
val = VIDOSD_Wx_ALPHA_R_F(0xff) | VIDOSD_Wx_ALPHA_G_F(0xff) |
VIDOSD_Wx_ALPHA_B_F(0xff);
writel(val, ctx->addr + DECON_VIDOSDxC(win));
val = VIDOSD_Wx_ALPHA_R_F(0x0) | VIDOSD_Wx_ALPHA_G_F(0x0) |

29
drivers/gpu/drm/exynos/exynos_drm_gsc.c
View file

@ -526,21 +526,25 @@ static int gsc_src_set_fmt(struct device *dev, u32 fmt)
GSC_IN_CHROMA_ORDER_CRCB);
break;
case DRM_FORMAT_NV21:
cfg |= (GSC_IN_CHROMA_ORDER_CRCB | GSC_IN_YUV420_2P);
break;
case DRM_FORMAT_NV61:
cfg |= (GSC_IN_CHROMA_ORDER_CRCB |
GSC_IN_YUV420_2P);
cfg |= (GSC_IN_CHROMA_ORDER_CRCB | GSC_IN_YUV422_2P);
break;
case DRM_FORMAT_YUV422:
cfg |= GSC_IN_YUV422_3P;
break;
case DRM_FORMAT_YUV420:
cfg |= (GSC_IN_CHROMA_ORDER_CBCR | GSC_IN_YUV420_3P);
break;
case DRM_FORMAT_YVU420:
cfg |= GSC_IN_YUV420_3P;
cfg |= (GSC_IN_CHROMA_ORDER_CRCB | GSC_IN_YUV420_3P);
break;
case DRM_FORMAT_NV12:
cfg |= (GSC_IN_CHROMA_ORDER_CBCR | GSC_IN_YUV420_2P);
break;
case DRM_FORMAT_NV16:
cfg |= (GSC_IN_CHROMA_ORDER_CBCR |
GSC_IN_YUV420_2P);
cfg |= (GSC_IN_CHROMA_ORDER_CBCR | GSC_IN_YUV422_2P);
break;
default:
dev_err(ippdrv->dev, "invalid target yuv order 0x%x.\n", fmt);
@ -800,18 +804,25 @@ static int gsc_dst_set_fmt(struct device *dev, u32 fmt)
GSC_OUT_CHROMA_ORDER_CRCB);
break;
case DRM_FORMAT_NV21:
case DRM_FORMAT_NV61:
cfg |= (GSC_OUT_CHROMA_ORDER_CRCB | GSC_OUT_YUV420_2P);
break;
case DRM_FORMAT_NV61:
cfg |= (GSC_OUT_CHROMA_ORDER_CRCB | GSC_OUT_YUV422_2P);
break;
case DRM_FORMAT_YUV422:
cfg |= GSC_OUT_YUV422_3P;
break;
case DRM_FORMAT_YUV420:
cfg |= (GSC_OUT_CHROMA_ORDER_CBCR | GSC_OUT_YUV420_3P);
break;
case DRM_FORMAT_YVU420:
cfg |= GSC_OUT_YUV420_3P;
cfg |= (GSC_OUT_CHROMA_ORDER_CRCB | GSC_OUT_YUV420_3P);
break;
case DRM_FORMAT_NV12:
cfg |= (GSC_OUT_CHROMA_ORDER_CBCR | GSC_OUT_YUV420_2P);
break;
case DRM_FORMAT_NV16:
cfg |= (GSC_OUT_CHROMA_ORDER_CBCR |
GSC_OUT_YUV420_2P);
cfg |= (GSC_OUT_CHROMA_ORDER_CBCR | GSC_OUT_YUV422_2P);
break;
default:
dev_err(ippdrv->dev, "invalid target yuv order 0x%x.\n", fmt);

1
drivers/gpu/drm/exynos/regs-gsc.h
View file

@ -138,6 +138,7 @@
#define GSC_OUT_YUV420_3P (3 << 4)
#define GSC_OUT_YUV422_1P (4 << 4)
#define GSC_OUT_YUV422_2P (5 << 4)
#define GSC_OUT_YUV422_3P (6 << 4)
#define GSC_OUT_YUV444 (7 << 4)
#define GSC_OUT_TILE_TYPE_MASK (1 << 2)
#define GSC_OUT_TILE_C_16x8 (0 << 2)

14
drivers/gpu/drm/msm-hyp/msm_drv_hyp.h
View file

@ -2,7 +2,7 @@
* Copyright (C) 2013 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
*
* Copyright (c) 2017 The Linux Foundation. All rights reserved.
* Copyright (c) 2017-2018 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
@ -48,6 +48,10 @@ enum msm_mdp_display_id {
DISPLAY_ID_SECONDARY,
DISPLAY_ID_TERTIARY,
DISPLAY_ID_QUATERNARY,
DISPLAY_ID_QUINARY,
DISPLAY_ID_SENARY,
DISPLAY_ID_SEPTENARY,
DISPLAY_ID_OCTONARY,
DISPLAY_ID_MAX
};
@ -71,6 +75,14 @@ static inline enum msm_mdp_display_id msm_get_display_id(
return DISPLAY_ID_TERTIARY;
else if (!strcmp(display_type, "quaternary"))
return DISPLAY_ID_QUATERNARY;
else if (!strcmp(display_type, "quinary"))
return DISPLAY_ID_QUINARY;
else if (!strcmp(display_type, "senary"))
return DISPLAY_ID_SENARY;
else if (!strcmp(display_type, "septenary"))
return DISPLAY_ID_SEPTENARY;
else if (!strcmp(display_type, "octonary"))
return DISPLAY_ID_OCTONARY;
else
return DISPLAY_ID_NONE;
};

2
drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c
View file

@ -3045,6 +3045,8 @@ static int _sde_hdmi_parse_dt_modes(struct device_node *np,
flags |= DRM_MODE_FLAG_PVSYNC;
else
flags |= DRM_MODE_FLAG_NVSYNC;
flags |= DRM_MODE_FLAG_SUPPORTS_RGB;
mode->flags = flags;
if (!rc) {

54
drivers/gpu/drm/msm/sde/sde_splash.c
View file

@ -25,6 +25,7 @@
#include "sde_rm.h"
#include "dsi_display.h"
#include "sde_hdmi.h"
#include "sde_crtc.h"
#define MDP_SSPP_TOP0_OFF 0x1000
#define DISP_INTF_SEL 0x004
@ -878,12 +879,61 @@ int sde_splash_free_resource(struct msm_kms *kms,
return ret;
}
/*
* Below function will detach all the pipes of the mixer
*/
static int _sde_splash_clear_mixer_blendstage(struct msm_kms *kms,
struct drm_atomic_state *state)
{
struct drm_crtc *crtc;
struct sde_crtc *sde_crtc;
struct sde_crtc_mixer *mixer;
int i;
struct sde_splash_info *sinfo;
struct sde_kms *sde_kms = to_sde_kms(kms);
sinfo = &sde_kms->splash_info;
if (!sinfo) {
SDE_ERROR("%s(%d): invalid splash info\n", __func__, __LINE__);
return -EINVAL;
}
for (i = 0; i < state->dev->mode_config.num_crtc; i++) {
crtc = state->crtcs[i];
if (!crtc) {
SDE_ERROR("CRTC is NULL");
continue;
}
sde_crtc = to_sde_crtc(crtc);
if (!sde_crtc) {
SDE_ERROR("SDE CRTC is NULL");
return -EINVAL;
}
mixer = sde_crtc->mixers;
if (!mixer) {
SDE_ERROR("Mixer is NULL");
return -EINVAL;
}
for (i = 0; i < sde_crtc->num_mixers; i++) {
if (mixer[i].hw_ctl->ops.clear_all_blendstages)
mixer[i].hw_ctl->ops.clear_all_blendstages(
mixer[i].hw_ctl,
sinfo->handoff,
sinfo->reserved_pipe_info,
MAX_BLOCKS);
}
}
return 0;
}
/*
* Below function will notify LK to stop display splash.
*/
int sde_splash_lk_stop_splash(struct msm_kms *kms,
struct drm_atomic_state *state)
{
int error = 0;
struct sde_splash_info *sinfo;
struct sde_kms *sde_kms = to_sde_kms(kms);
@ -902,8 +952,10 @@ int sde_splash_lk_stop_splash(struct msm_kms *kms,
_sde_splash_notify_lk_stop_splash(sde_kms->hw_intr);
sinfo->display_splash_enabled = false;
error = _sde_splash_clear_mixer_blendstage(kms, state);
}
mutex_unlock(&sde_splash_lock);
return 0;
return error;
}

4
drivers/gpu/drm/nouveau/nouveau_gem.c
View file

@ -602,7 +602,7 @@ nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli,
struct nouveau_bo *nvbo;
uint32_t data;
if (unlikely(r->bo_index > req->nr_buffers)) {
if (unlikely(r->bo_index >= req->nr_buffers)) {
NV_PRINTK(err, cli, "reloc bo index invalid\n");
ret = -EINVAL;
break;
@ -612,7 +612,7 @@ nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli,
if (b->presumed.valid)
continue;
if (unlikely(r->reloc_bo_index > req->nr_buffers)) {
if (unlikely(r->reloc_bo_index >= req->nr_buffers)) {
NV_PRINTK(err, cli, "reloc container bo index invalid\n");
ret = -EINVAL;
break;

2
drivers/gpu/msm/adreno_a5xx.c
View file

@ -2266,7 +2266,7 @@ static int a5xx_microcode_load(struct adreno_device *adreno_dev)
desc.args[1] = 13;
desc.arginfo = SCM_ARGS(2);
ret = scm_call2(SCM_SIP_FNID(SCM_SVC_BOOT, 0xA), &desc);
ret = scm_call2_atomic(SCM_SIP_FNID(SCM_SVC_BOOT, 0xA), &desc);
if (ret) {
pr_err("SCM resume call failed with error %d\n", ret);
return ret;

10
drivers/hid/wacom_wac.c
View file

@ -2487,8 +2487,14 @@ void wacom_setup_device_quirks(struct wacom *wacom)
if (features->type >= INTUOSHT && features->type <= BAMBOO_PT)
features->device_type |= WACOM_DEVICETYPE_PAD;
features->x_max = 4096;
features->y_max = 4096;
if (features->type == INTUOSHT2) {
features->x_max = features->x_max / 10;
features->y_max = features->y_max / 10;
}
else {
features->x_max = 4096;
features->y_max = 4096;
}
}
else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) {
features->device_type |= WACOM_DEVICETYPE_PAD;

8
drivers/i2c/busses/i2c-imx.c
View file

@ -677,9 +677,6 @@ static int i2c_imx_dma_read(struct imx_i2c_struct *i2c_imx,
struct imx_i2c_dma *dma = i2c_imx->dma;
struct device *dev = &i2c_imx->adapter.dev;
temp = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2CR);
temp |= I2CR_DMAEN;
imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2CR);
dma->chan_using = dma->chan_rx;
dma->dma_transfer_dir = DMA_DEV_TO_MEM;
@ -792,6 +789,7 @@ static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs, bo
int i, result;
unsigned int temp;
int block_data = msgs->flags & I2C_M_RECV_LEN;
int use_dma = i2c_imx->dma && msgs->len >= DMA_THRESHOLD && !block_data;
dev_dbg(&i2c_imx->adapter.dev,
"<%s> write slave address: addr=0x%x\n",
@ -818,12 +816,14 @@ static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs, bo
*/
if ((msgs->len - 1) || block_data)
temp &= ~I2CR_TXAK;
if (use_dma)
temp |= I2CR_DMAEN;
imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2CR);
imx_i2c_read_reg(i2c_imx, IMX_I2C_I2DR); /* dummy read */
dev_dbg(&i2c_imx->adapter.dev, "<%s> read data\n", __func__);
if (i2c_imx->dma && msgs->len >= DMA_THRESHOLD && !block_data)
if (use_dma)
return i2c_imx_dma_read(i2c_imx, msgs, is_lastmsg);
/* read data */

2
drivers/i2c/busses/i2c-ismt.c
View file

@ -587,7 +587,7 @@ static int ismt_access(struct i2c_adapter *adap, u16 addr,
/* unmap the data buffer */
if (dma_size != 0)
dma_unmap_single(&adap->dev, dma_addr, dma_size, dma_direction);
dma_unmap_single(dev, dma_addr, dma_size, dma_direction);
if (unlikely(!time_left)) {
dev_err(dev, "completion wait timed out\n");

8
drivers/isdn/i4l/isdn_common.c
View file

@ -1655,13 +1655,7 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg)
} else
return -EINVAL;
case IIOCDBGVAR:
if (arg) {
if (copy_to_user(argp, &dev, sizeof(ulong)))
return -EFAULT;
return 0;
} else
return -EINVAL;
break;
return -EINVAL;
default:
if ((cmd & IIOCDRVCTL) == IIOCDRVCTL)
cmd = ((cmd >> _IOC_NRSHIFT) & _IOC_NRMASK) & ISDN_DRVIOCTL_MASK;

7
drivers/md/raid10.c
View file

@ -3691,6 +3691,13 @@ static int run(struct mddev *mddev)
disk->rdev->saved_raid_disk < 0)
conf->fullsync = 1;
}
if (disk->replacement &&
!test_bit(In_sync, &disk->replacement->flags) &&
disk->replacement->saved_raid_disk < 0) {
conf->fullsync = 1;
}
disk->recovery_disabled = mddev->recovery_disabled - 1;
}

60
drivers/media/i2c/adv7481.c
View file

@ -190,23 +190,25 @@ const uint8_t adv7481_default_edid_data[] = {
0x19,
/* EDID Structure Version and Revision */
0x01, 0x03,
/* Display Parameters */
/* Display Parameters [20-24] bytes */
0x80, 0x10, 0x09, 0x78, 0x0A,
/* Color characteristics */
/* Color characteristics [25-34] bytes */
0x0D, 0xC9, 0xA0, 0x57, 0x47, 0x98, 0x27, 0x12,
0x48, 0x4C,
/* Established Timings */
/* Established Timings [35-36] bytes*/
0x21, 0x08, 0x00,
/* Standard Timings */
/* D1 -> (act_pix(1920)/8)-31 */
/* C0 -> (refresh rate - 60) */
0xD1, 0xC0, 0xD1, 0x40, 0x81, 0xC0, 0x81, 0x40,
0x3B, 0xC0, 0x3B, 0x40, 0x31, 0xC0, 0x31, 0x40,
/* Detailed Timings Block */
0x1A, 0x36, 0x80, 0xA0, 0x70, 0x38, 0x1F, 0x40,
0x30, 0x20, 0x35, 0x00, 0x40, 0x44, 0x21, 0x00,
/* Detailed Timings Block | Preferred Timing Mode */
0x02, 0x3A, 0x80, 0x18, 0x71, 0x38, 0x2D, 0x40,
0x58, 0x2C, 0x45, 0x00, 0xDC, 0x0C, 0x11, 0x00,
0x00, 0x1E,
/* Monitor Descriptor Block 2 */
0x00, 0x19, 0x00, 0xA0, 0x50, 0xD0, 0x15, 0x20,
0x30, 0x20, 0x35, 0x00, 0x80, 0xD8, 0x10, 0x00,
0x01, 0x1D, 0x00, 0xBC, 0x52, 0xD0, 0x1E, 0x20,
0xB8, 0x28, 0x55, 0x40, 0xA0, 0x5A, 0x00, 0x00,
0x00, 0x1E,
/* Monitor Descriptor Block 3 */
0x00, 0x00, 0x00, 0xFD, 0x00, 0x17, 0x4B, 0x0F,
@ -219,16 +221,26 @@ const uint8_t adv7481_default_edid_data[] = {
/* Extension Flag CEA */
0x01,
/* Checksum */
0x16,
0x5D,
/* Block 1 (Extension Block) */
/* Extension Header */
0x02, 0x03, 0x22,
/* CEA-861 extension block */
/* Block 1 (Extension Block) 128 bytes*/
/* Extension Header
* 0x23H[35D] - Detailed Timing Descriptor starts
*/
0x02, 0x03, 0x23,
/* Display supports */
0x71,
/* Video Data Block */
0x4C, 0x84, 0x13, 0x3C, 0x03, 0x02, 0x11, 0x12,
0x01, 0x90, 0x1F, 0x20, 0x22,
/* Data collection block begin
* bit 7..5 : Block Type Tag(1:Audio, 2:Video, 3:Vendor specific, 4:speaker)
* bit 4..0 : Total number of bytes in block
* Eg: Video Data Block
* 4D -> D stands for 13 more bytes to read
* 90[10010000] -> bit 7:1 stands for native display
* -> bit 6..0: VIC value of supported standard resolution
*/
0x4D, 0x90, 0x1F, 0x22, 0x20, 0x04, 0x13, 0x3E,
0x3C, 0x12, 0x11, 0x03, 0x02, 0x01,
/* HDMI VSDB */
/* Deep color All, Max_TMDS_Clock = 150 MHz */
0x68, 0x03, 0x0C, 0x00, 0x10, 0x00, 0x80,
@ -240,17 +252,17 @@ const uint8_t adv7481_default_edid_data[] = {
/* Speaker Allocation Data Block */
0x83, 0x01, 0x00, 0x00,
/* Detailed Timing Descriptor */
0x1A, 0x36, 0x80, 0xA0, 0x70, 0x38, 0x1F, 0x40,
0x30, 0x20, 0x35, 0x00, 0x40, 0x44, 0x21, 0x00,
0x02, 0x3A, 0x80, 0x18, 0x71, 0x38, 0x2D, 0x40,
0x58, 0x2C, 0x45, 0x00, 0xDC, 0x0C, 0x11, 0x00,
0x00, 0x1E,
/* Detailed Timing Descriptor */
0x00, 0x19, 0x00, 0xA0, 0x50, 0xD0, 0x15, 0x20,
0x30, 0x20, 0x35, 0x00, 0x80, 0xD8, 0x10, 0x00,
0x01, 0x1D, 0x00, 0xBC, 0x52, 0xD0, 0x1E, 0x20,
0xB8, 0x28, 0x55, 0x40, 0xA0, 0x5A, 0x00, 0x00,
0x00, 0x1E,
/* Detailed Timing Descriptor */
0x41, 0x0A, 0xD0, 0xA0, 0x20, 0xE0, 0x13, 0x10,
0x30, 0x20, 0x3A, 0x00, 0xD8, 0x90, 0x00, 0x00,
0x00, 0x18,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00,
/* Detailed Timing Descriptor */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@ -260,9 +272,9 @@ const uint8_t adv7481_default_edid_data[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00,
/* DTD padding */
0x00, 0x00, 0x00,
0x00, 0x00,
/* Checksum */
0x8C
0xFB
};
#define ADV7481_EDID_SIZE ARRAY_SIZE(adv7481_default_edid_data)

8
drivers/media/platform/msm/ais/pproc/cpp/msm_cpp.c
View file

@ -836,9 +836,11 @@ static irqreturn_t msm_cpp_irq(int irq_num, void *data)
if (irq_status & 0x8) {
tx_level = msm_camera_io_r(cpp_dev->base +
MSM_CPP_MICRO_FIFO_TX_STAT) >> 2;
for (i = 0; i < tx_level; i++) {
tx_fifo[i] = msm_camera_io_r(cpp_dev->base +
MSM_CPP_MICRO_FIFO_TX_DATA);
if (tx_level < MSM_CPP_TX_FIFO_LEVEL) {
for (i = 0; i < tx_level; i++) {
tx_fifo[i] = msm_camera_io_r(cpp_dev->base +
MSM_CPP_MICRO_FIFO_TX_DATA);
}
} else {
pr_err("Fatal invalid tx level %d", tx_level);
goto err;

1
drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
View file

@ -1634,6 +1634,7 @@ struct bnx2x {
struct link_vars link_vars;
u32 link_cnt;
struct bnx2x_link_report_data last_reported_link;
bool force_link_down;
struct mdio_if_info mdio;

6
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
View file

@ -1277,6 +1277,11 @@ void __bnx2x_link_report(struct bnx2x *bp)
{
struct bnx2x_link_report_data cur_data;
if (bp->force_link_down) {
bp->link_vars.link_up = 0;
return;
}
/* reread mf_cfg */
if (IS_PF(bp) && !CHIP_IS_E1(bp))
bnx2x_read_mf_cfg(bp);
@ -2840,6 +2845,7 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
bp->pending_max = 0;
}
bp->force_link_down = false;
if (bp->port.pmf) {
rc = bnx2x_initial_phy_init(bp, load_mode);
if (rc)

6
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
View file

@ -10222,6 +10222,12 @@ static void bnx2x_sp_rtnl_task(struct work_struct *work)
bp->sp_rtnl_state = 0;
smp_mb();
/* Immediately indicate link as down */
bp->link_vars.link_up = 0;
bp->force_link_down = true;
netif_carrier_off(bp->dev);
BNX2X_ERR("Indicating link is down due to Tx-timeout\n");
bnx2x_nic_unload(bp, UNLOAD_NORMAL, true);
bnx2x_nic_load(bp, LOAD_NORMAL);

4
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View file

@ -4591,7 +4591,7 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
rc = bnxt_request_irq(bp);
if (rc) {
netdev_err(bp->dev, "bnxt_request_irq err: %x\n", rc);
goto open_err;
goto open_err_irq;
}
}
@ -4629,6 +4629,8 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
open_err:
bnxt_disable_napi(bp);
open_err_irq:
bnxt_del_napi(bp);
open_err_free_mem:

2
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
View file

@ -338,7 +338,7 @@ static void dcb_tx_queue_prio_enable(struct net_device *dev, int enable)
"Can't %s DCB Priority on port %d, TX Queue %d: err=%d\n",
enable ? "set" : "unset", pi->port_id, i, -err);
else
txq->dcb_prio = value;
txq->dcb_prio = enable ? value : 0;
}
}
#endif /* CONFIG_CHELSIO_T4_DCB */

3
drivers/net/ethernet/cisco/enic/enic_clsf.c
View file

@ -78,7 +78,6 @@ void enic_rfs_flw_tbl_init(struct enic *enic)
enic->rfs_h.max = enic->config.num_arfs;
enic->rfs_h.free = enic->rfs_h.max;
enic->rfs_h.toclean = 0;
enic_rfs_timer_start(enic);
}
void enic_rfs_flw_tbl_free(struct enic *enic)
@ -87,7 +86,6 @@ void enic_rfs_flw_tbl_free(struct enic *enic)
enic_rfs_timer_stop(enic);
spin_lock_bh(&enic->rfs_h.lock);
enic->rfs_h.free = 0;
for (i = 0; i < (1 << ENIC_RFS_FLW_BITSHIFT); i++) {
struct hlist_head *hhead;
struct hlist_node *tmp;
@ -98,6 +96,7 @@ void enic_rfs_flw_tbl_free(struct enic *enic)
enic_delfltr(enic, n->fltr_id);
hlist_del(&n->node);
kfree(n);
enic->rfs_h.free++;
}
}
spin_unlock_bh(&enic->rfs_h.lock);

3
drivers/net/ethernet/cisco/enic/enic_main.c
View file

@ -1760,7 +1760,7 @@ static int enic_open(struct net_device *netdev)
vnic_intr_unmask(&enic->intr[i]);
enic_notify_timer_start(enic);
enic_rfs_flw_tbl_init(enic);
enic_rfs_timer_start(enic);
return 0;
@ -2694,6 +2694,7 @@ static int enic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
enic->notify_timer.function = enic_notify_timer;
enic->notify_timer.data = (unsigned long)enic;
enic_rfs_flw_tbl_init(enic);
enic_set_rx_coal_setting(enic);
INIT_WORK(&enic->reset, enic_reset);
INIT_WORK(&enic->tx_hang_reset, enic_tx_hang_reset);

22
drivers/net/ethernet/hisilicon/hns/hns_enet.c
View file

@ -100,9 +100,9 @@ static void unfill_desc(struct hnae_ring *ring)
ring_ptr_move_bw(ring, next_to_use);
}
int hns_nic_net_xmit_hw(struct net_device *ndev,
struct sk_buff *skb,
struct hns_nic_ring_data *ring_data)
netdev_tx_t hns_nic_net_xmit_hw(struct net_device *ndev,
struct sk_buff *skb,
struct hns_nic_ring_data *ring_data)
{
struct hns_nic_priv *priv = netdev_priv(ndev);
struct hnae_ring *ring = ring_data->ring;
@ -172,6 +172,10 @@ int hns_nic_net_xmit_hw(struct net_device *ndev,
dev_queue = netdev_get_tx_queue(ndev, skb->queue_mapping);
netdev_tx_sent_queue(dev_queue, skb->len);
ndev->trans_start = jiffies;
ndev->stats.tx_bytes += skb->len;
ndev->stats.tx_packets++;
wmb(); /* commit all data before submit */
assert(skb->queue_mapping < priv->ae_handle->q_num);
hnae_queue_xmit(priv->ae_handle->qs[skb->queue_mapping], buf_num);
@ -1089,17 +1093,11 @@ static netdev_tx_t hns_nic_net_xmit(struct sk_buff *skb,
struct net_device *ndev)
{
struct hns_nic_priv *priv = netdev_priv(ndev);
int ret;
assert(skb->queue_mapping < ndev->ae_handle->q_num);
ret = hns_nic_net_xmit_hw(ndev, skb,
&tx_ring_data(priv, skb->queue_mapping));
if (ret == NETDEV_TX_OK) {
ndev->trans_start = jiffies;
ndev->stats.tx_bytes += skb->len;
ndev->stats.tx_packets++;
}
return (netdev_tx_t)ret;
return hns_nic_net_xmit_hw(ndev, skb,
&tx_ring_data(priv, skb->queue_mapping));
}
static int hns_nic_change_mtu(struct net_device *ndev, int new_mtu)

6
drivers/net/ethernet/hisilicon/hns/hns_enet.h
View file

@ -77,8 +77,8 @@ void hns_ethtool_set_ops(struct net_device *ndev);
void hns_nic_net_reset(struct net_device *ndev);
void hns_nic_net_reinit(struct net_device *netdev);
int hns_nic_init_phy(struct net_device *ndev, struct hnae_handle *h);
int hns_nic_net_xmit_hw(struct net_device *ndev,
struct sk_buff *skb,
struct hns_nic_ring_data *ring_data);
netdev_tx_t hns_nic_net_xmit_hw(struct net_device *ndev,
struct sk_buff *skb,
struct hns_nic_ring_data *ring_data);
#endif /**__HNS_ENET_H */

12
drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
View file

@ -1814,7 +1814,12 @@ s32 ixgbe_set_rar_generic(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq,
if (enable_addr != 0)
rar_high |= IXGBE_RAH_AV;
/* Record lower 32 bits of MAC address and then make
* sure that write is flushed to hardware before writing
* the upper 16 bits and setting the valid bit.
*/
IXGBE_WRITE_REG(hw, IXGBE_RAL(index), rar_low);
IXGBE_WRITE_FLUSH(hw);
IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high);
return 0;
@ -1846,8 +1851,13 @@ s32 ixgbe_clear_rar_generic(struct ixgbe_hw *hw, u32 index)
rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(index));
rar_high &= ~(0x0000FFFF | IXGBE_RAH_AV);
IXGBE_WRITE_REG(hw, IXGBE_RAL(index), 0);
/* Clear the address valid bit and upper 16 bits of the address
* before clearing the lower bits. This way we aren't updating
* a live filter.
*/
IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high);
IXGBE_WRITE_FLUSH(hw);
IXGBE_WRITE_REG(hw, IXGBE_RAL(index), 0);
/* clear VMDq pool/queue selection for this RAR */
hw->mac.ops.clear_vmdq(hw, index, IXGBE_CLEAR_VMDQ_ALL);

12
drivers/net/ethernet/qlogic/qed/qed_main.c
View file

@ -461,8 +461,16 @@ static irqreturn_t qed_single_int(int irq, void *dev_instance)
/* Fastpath interrupts */
for (j = 0; j < 64; j++) {
if ((0x2ULL << j) & status) {
hwfn->simd_proto_handler[j].func(
hwfn->simd_proto_handler[j].token);
struct qed_simd_fp_handler *p_handler =
&hwfn->simd_proto_handler[j];
if (p_handler->func)
p_handler->func(p_handler->token);
else
DP_NOTICE(hwfn,
"Not calling fastpath handler as it is NULL [handler #%d, status 0x%llx]\n",
j, status);
status &= ~(0x2ULL << j);
rc = IRQ_HANDLED;
}

2
drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
View file

@ -1128,6 +1128,8 @@ static ssize_t qlcnic_83xx_sysfs_flash_write_handler(struct file *filp,
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
ret = kstrtoul(buf, 16, &data);
if (ret)
return ret;
switch (data) {
case QLC_83XX_FLASH_SECTOR_ERASE_CMD:

21
drivers/net/ethernet/qualcomm/qca_spi.c
View file

@ -635,7 +635,7 @@ qcaspi_netdev_open(struct net_device *dev)
return ret;
}
netif_start_queue(qca->net_dev);
/* SPI thread takes care of TX queue */
return 0;
}
@ -739,6 +739,9 @@ qcaspi_netdev_tx_timeout(struct net_device *dev)
qca->net_dev->stats.tx_errors++;
/* Trigger tx queue flush and QCA7000 reset */
qca->sync = QCASPI_SYNC_UNKNOWN;
if (qca->spi_thread)
wake_up_process(qca->spi_thread);
}
static int
@ -865,22 +868,22 @@ qca_spi_probe(struct spi_device *spi)
if ((qcaspi_clkspeed < QCASPI_CLK_SPEED_MIN) ||
(qcaspi_clkspeed > QCASPI_CLK_SPEED_MAX)) {
dev_info(&spi->dev, "Invalid clkspeed: %d\n",
qcaspi_clkspeed);
dev_err(&spi->dev, "Invalid clkspeed: %d\n",
qcaspi_clkspeed);
return -EINVAL;
}
if ((qcaspi_burst_len < QCASPI_BURST_LEN_MIN) ||
(qcaspi_burst_len > QCASPI_BURST_LEN_MAX)) {
dev_info(&spi->dev, "Invalid burst len: %d\n",
qcaspi_burst_len);
dev_err(&spi->dev, "Invalid burst len: %d\n",
qcaspi_burst_len);
return -EINVAL;
}
if ((qcaspi_pluggable < QCASPI_PLUGGABLE_MIN) ||
(qcaspi_pluggable > QCASPI_PLUGGABLE_MAX)) {
dev_info(&spi->dev, "Invalid pluggable: %d\n",
qcaspi_pluggable);
dev_err(&spi->dev, "Invalid pluggable: %d\n",
qcaspi_pluggable);
return -EINVAL;
}
@ -941,8 +944,8 @@ qca_spi_probe(struct spi_device *spi)
}
if (register_netdev(qcaspi_devs)) {
dev_info(&spi->dev, "Unable to register net device %s\n",
qcaspi_devs->name);
dev_err(&spi->dev, "Unable to register net device %s\n",
qcaspi_devs->name);
free_netdev(qcaspi_devs);
return -EFAULT;
}

4
drivers/net/ethernet/ti/davinci_emac.c
View file

@ -1517,6 +1517,10 @@ static int emac_devioctl(struct net_device *ndev, struct ifreq *ifrq, int cmd)
static int match_first_device(struct device *dev, void *data)
{
if (dev->parent && dev->parent->of_node)
return of_device_is_compatible(dev->parent->of_node,
"ti,davinci_mdio");
return !strncmp(dev_name(dev), "davinci_mdio", 12);
}

8
drivers/net/hamradio/bpqether.c
View file

@ -89,10 +89,6 @@
static const char banner[] __initconst = KERN_INFO \
"AX.25: bpqether driver version 004\n";
static char bcast_addr[6]={0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
static char bpq_eth_addr[6];
static int bpq_rcv(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *);
static int bpq_device_event(struct notifier_block *, unsigned long, void *);
@ -515,8 +511,8 @@ static int bpq_new_device(struct net_device *edev)
bpq->ethdev = edev;
bpq->axdev = ndev;
memcpy(bpq->dest_addr, bcast_addr, sizeof(bpq_eth_addr));
memcpy(bpq->acpt_addr, bcast_addr, sizeof(bpq_eth_addr));
eth_broadcast_addr(bpq->dest_addr);
eth_broadcast_addr(bpq->acpt_addr);
err = register_netdevice(ndev);
if (err)

15
drivers/net/ieee802154/at86rf230.c
View file

@ -932,7 +932,7 @@ at86rf230_xmit(struct ieee802154_hw *hw, struct sk_buff *skb)
static int
at86rf230_ed(struct ieee802154_hw *hw, u8 *level)
{
BUG_ON(!level);
WARN_ON(!level);
*level = 0xbe;
return 0;
}
@ -1108,8 +1108,7 @@ at86rf230_set_hw_addr_filt(struct ieee802154_hw *hw,
if (changed & IEEE802154_AFILT_SADDR_CHANGED) {
u16 addr = le16_to_cpu(filt->short_addr);
dev_vdbg(&lp->spi->dev,
"at86rf230_set_hw_addr_filt called for saddr\n");
dev_vdbg(&lp->spi->dev, "%s called for saddr\n", __func__);
__at86rf230_write(lp, RG_SHORT_ADDR_0, addr);
__at86rf230_write(lp, RG_SHORT_ADDR_1, addr >> 8);
}
@ -1117,8 +1116,7 @@ at86rf230_set_hw_addr_filt(struct ieee802154_hw *hw,
if (changed & IEEE802154_AFILT_PANID_CHANGED) {
u16 pan = le16_to_cpu(filt->pan_id);
dev_vdbg(&lp->spi->dev,
"at86rf230_set_hw_addr_filt called for pan id\n");
dev_vdbg(&lp->spi->dev, "%s called for pan id\n", __func__);
__at86rf230_write(lp, RG_PAN_ID_0, pan);
__at86rf230_write(lp, RG_PAN_ID_1, pan >> 8);
}
@ -1127,15 +1125,13 @@ at86rf230_set_hw_addr_filt(struct ieee802154_hw *hw,
u8 i, addr[8];
memcpy(addr, &filt->ieee_addr, 8);
dev_vdbg(&lp->spi->dev,
"at86rf230_set_hw_addr_filt called for IEEE addr\n");
dev_vdbg(&lp->spi->dev, "%s called for IEEE addr\n", __func__);
for (i = 0; i < 8; i++)
__at86rf230_write(lp, RG_IEEE_ADDR_0 + i, addr[i]);
}
if (changed & IEEE802154_AFILT_PANC_CHANGED) {
dev_vdbg(&lp->spi->dev,
"at86rf230_set_hw_addr_filt called for panc change\n");
dev_vdbg(&lp->spi->dev, "%s called for panc change\n", __func__);
if (filt->pan_coord)
at86rf230_write_subreg(lp, SR_AACK_I_AM_COORD, 1);
else
@ -1239,7 +1235,6 @@ at86rf230_set_cca_mode(struct ieee802154_hw *hw,
return at86rf230_write_subreg(lp, SR_CCA_MODE, val);
}
static int
at86rf230_set_cca_ed_level(struct ieee802154_hw *hw, s32 mbm)
{

2
drivers/net/ieee802154/fakelb.c
View file

@ -49,7 +49,7 @@ struct fakelb_phy {
static int fakelb_hw_ed(struct ieee802154_hw *hw, u8 *level)
{
BUG_ON(!level);
WARN_ON(!level);
*level = 0xbe;
return 0;

171
drivers/net/phy/mdio_device.c Normal file
View file

@ -0,0 +1,171 @@
/* Framework for MDIO devices, other than PHYs.
*
* Copyright (c) 2016 Andrew Lunn <andrew@lunn.ch>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/mdio.h>
#include <linux/mii.h>
#include <linux/module.h>
#include <linux/phy.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/unistd.h>
void mdio_device_free(struct mdio_device *mdiodev)
{
put_device(&mdiodev->dev);
}
EXPORT_SYMBOL(mdio_device_free);
static void mdio_device_release(struct device *dev)
{
kfree(to_mdio_device(dev));
}
struct mdio_device *mdio_device_create(struct mii_bus *bus, int addr)
{
struct mdio_device *mdiodev;
/* We allocate the device, and initialize the default values */
mdiodev = kzalloc(sizeof(*mdiodev), GFP_KERNEL);
if (!mdiodev)
return ERR_PTR(-ENOMEM);
mdiodev->dev.release = mdio_device_release;
mdiodev->dev.parent = &bus->dev;
mdiodev->dev.bus = &mdio_bus_type;
mdiodev->device_free = mdio_device_free;
mdiodev->device_remove = mdio_device_remove;
mdiodev->bus = bus;
mdiodev->addr = addr;
dev_set_name(&mdiodev->dev, PHY_ID_FMT, bus->id, addr);
device_initialize(&mdiodev->dev);
return mdiodev;
}
EXPORT_SYMBOL(mdio_device_create);
/**
* mdio_device_register - Register the mdio device on the MDIO bus
* @mdiodev: mdio_device structure to be added to the MDIO bus
*/
int mdio_device_register(struct mdio_device *mdiodev)
{
int err;
dev_info(&mdiodev->dev, "mdio_device_register\n");
err = mdiobus_register_device(mdiodev);
if (err)
return err;
err = device_add(&mdiodev->dev);
if (err) {
pr_err("MDIO %d failed to add\n", mdiodev->addr);
goto out;
}
return 0;
out:
mdiobus_unregister_device(mdiodev);
return err;
}
EXPORT_SYMBOL(mdio_device_register);
/**
* mdio_device_remove - Remove a previously registered mdio device from the
* MDIO bus
* @mdiodev: mdio_device structure to remove
*
* This doesn't free the mdio_device itself, it merely reverses the effects
* of mdio_device_register(). Use mdio_device_free() to free the device
* after calling this function.
*/
void mdio_device_remove(struct mdio_device *mdiodev)
{
device_del(&mdiodev->dev);
mdiobus_unregister_device(mdiodev);
}
EXPORT_SYMBOL(mdio_device_remove);
/**
* mdio_probe - probe an MDIO device
* @dev: device to probe
*
* Description: Take care of setting up the mdio_device structure
* and calling the driver to probe the device.
*/
static int mdio_probe(struct device *dev)
{
struct mdio_device *mdiodev = to_mdio_device(dev);
struct device_driver *drv = mdiodev->dev.driver;
struct mdio_driver *mdiodrv = to_mdio_driver(drv);
int err = 0;
if (mdiodrv->probe)
err = mdiodrv->probe(mdiodev);
return err;
}
static int mdio_remove(struct device *dev)
{
struct mdio_device *mdiodev = to_mdio_device(dev);
struct device_driver *drv = mdiodev->dev.driver;
struct mdio_driver *mdiodrv = to_mdio_driver(drv);
if (mdiodrv->remove)
mdiodrv->remove(mdiodev);
return 0;
}
/**
* mdio_driver_register - register an mdio_driver with the MDIO layer
* @new_driver: new mdio_driver to register
*/
int mdio_driver_register(struct mdio_driver *drv)
{
struct mdio_driver_common *mdiodrv = &drv->mdiodrv;
int retval;
pr_info("mdio_driver_register: %s\n", mdiodrv->driver.name);
mdiodrv->driver.bus = &mdio_bus_type;
mdiodrv->driver.probe = mdio_probe;
mdiodrv->driver.remove = mdio_remove;
retval = driver_register(&mdiodrv->driver);
if (retval) {
pr_err("%s: Error %d in registering driver\n",
mdiodrv->driver.name, retval);
return retval;
}
return 0;
}
EXPORT_SYMBOL(mdio_driver_register);
void mdio_driver_unregister(struct mdio_driver *drv)
{
struct mdio_driver_common *mdiodrv = &drv->mdiodrv;
driver_unregister(&mdiodrv->driver);
}
EXPORT_SYMBOL(mdio_driver_unregister);

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