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Saeed Bishara ff7b04796d dmaengine: DMA engine driver for Marvell XOR engine 
The XOR engine found in Marvell's SoCs and system controllers
provides XOR and DMA operation, iSCSI CRC32C calculation, memory
initialization, and memory ECC error cleanup operation support.

This driver implements the DMA engine API and supports the following
capabilities:
- memcpy
- xor
- memset

The XOR engine can be used by DMA engine clients implemented in the
kernel, one of those clients is the RAID module.  In that case, I
observed 20% improvement in the raid5 write throughput, and 40%
decrease in the CPU utilization when doing array construction, those
results obtained on an 5182 running at 500Mhz.

When enabling the NET DMA client, the performance decreased, so
meanwhile it is recommended to keep this client off.

Signed-off-by: Saeed Bishara <saeed@marvell.com>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Acked-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2008-07-08 11:58:36 -07:00
..
arch-aaec2000
arch-at91 [ARM] 4913/1: [AT91] PMC_MDIV definitions 2008-04-10 14:57:20 +01:00
arch-cl7500
arch-clps711x
arch-davinci
arch-ebsa110
arch-ebsa285
arch-ep93xx [ARM] 4988/1: Add GPIO lib support to the EP93xx 2008-04-19 14:01:43 +01:00
arch-h720x
arch-imx
arch-integrator
arch-iop13xx iop-adma: remove the workaround for missed interrupts on iop3xx 2008-04-17 13:25:54 -07:00
arch-iop32x
arch-iop33x
arch-ixp4xx
arch-ixp23xx
arch-ixp2000
arch-ks8695 [ARM] 4981/1: [KS8695] Simple LED driver 2008-04-17 15:58:25 +01:00
arch-l7200
arch-lh7a40x
arch-msm
arch-mxc [ARM] 4887/1: i.MXC family: Separate current platform code 2008-04-17 16:15:17 +01:00
arch-netx
arch-ns9xxx ns9xxx: let putc autodetect where to write 2008-03-31 08:17:01 +02:00
arch-omap [ARM] fix OMAP include loops 2008-05-23 15:38:07 +01:00
arch-orion5x [ARM] Orion: fix ioremap() optimization 2008-04-28 15:57:41 -04:00
arch-pnx4008
arch-pxa [ARM] pxa: Fix RCSR handling 2008-05-08 18:04:02 +01:00
arch-realview RealView: Add uncompressing support for PB1176 2008-04-18 22:43:16 +01:00
arch-rpc
arch-s3c2400
arch-s3c2410 Merge branch 'merge-fixes' into devel 2008-04-19 17:17:34 +01:00
arch-sa1100 [ARM] 5025/2: fix collie cpu initialisation 2008-05-22 14:03:20 +01:00
arch-shark
arch-versatile
hardware [ARM] 5026/1: locomo: add .settype for gpio and several small fixes 2008-05-17 22:53:54 +01:00
mach iop: unconditionally initialize the ATU on platforms known to be 'hosts' 2008-03-26 12:33:41 -07:00
plat-orion dmaengine: DMA engine driver for Marvell XOR engine 2008-07-08 11:58:36 -07:00
plat-s3c [MTD] [NAND] S3C2410 Allow ECC disable to be specified by the board 2008-04-22 21:41:32 +01:00
plat-s3c24xx
.gitignore
a.out-core.h aout: suppress A.OUT library support if !CONFIG_ARCH_SUPPORTS_AOUT 2008-02-08 09:22:30 -08:00
a.out.h aout: move STACK_TOP[_MAX] to asm/processor.h 2008-02-08 09:22:29 -08:00
assembler.h
atomic.h
auxvec.h
bitops.h
bug.h
bugs.h
byteorder.h
cache.h
cacheflush.h
checksum.h
cnt32_to_63.h
cpu-multi32.h Add a prefetch abort handler 2008-04-18 22:43:07 +01:00
cpu-single.h
cpu.h
cputime.h
current.h
delay.h
device.h
div64.h rename div64_64 to div64_u64 2008-05-01 08:03:58 -07:00
dma-mapping.h
dma.h
domain.h
dyntick.h
ecard.h
elf.h Cleanup asm/{elf,page,user}.h: #ifdef __KERNEL__ is no longer needed 2008-02-07 08:42:30 -08:00
emergency-restart.h
errno.h
fb.h
fcntl.h
fiq.h
flat.h
floppy.h
fpstate.h
futex.h
glue.h Add a prefetch abort handler 2008-04-18 22:43:07 +01:00
gpio.h
hardirq.h
hardware.h
hw_irq.h
hwcap.h ARMv7: Add support for the ThumbEE state saving/restoring 2008-04-18 22:43:06 +01:00
ide.h ide: remove ide_default_io_ctl() macro 2008-04-18 00:46:34 +02:00
io.h
ioctl.h
ioctls.h
ipcbuf.h
irq.h
irq_regs.h
irqflags.h
Kbuild
kdebug.h
kexec.h [ARM] 4838/1: Fix kexec for SA1100 machines 2008-02-29 22:47:09 +00:00
kmap_types.h
kprobes.h Kprobes: indicate kretprobe support in Kconfig 2008-03-04 16:35:11 -08:00
kvm.h kvm: provide kvm.h for all architecture: fixes headers_install 2008-04-02 15:28:18 -07:00
leds.h
limits.h
linkage.h
local.h
locks.h
mc146818rtc.h
memory.h [ARM] Add initial sparsemem support 2008-04-19 11:36:48 +01:00
mman.h
mmu.h
mmu_context.h
mmzone.h
module.h
msgbuf.h
mtd-xip.h
mutex.h misc: removal of final callers using fastcall 2008-02-08 09:22:31 -08:00
namei.h
nwflash.h
page-nommu.h
page.h [ARM] 5051/1: define pgtable_t for the !CONFIG_MMU case too 2008-05-23 13:50:05 +01:00
param.h
parport.h
pci.h
percpu.h
pgalloc.h CONFIG_HIGHPTE vs. sub-page page tables. 2008-02-08 09:22:42 -08:00
pgtable-hwdef.h
pgtable-nommu.h [ARM] 4850/1: include generic pgtable.h for !CONFIG_MMU case 2008-03-06 12:18:18 +00:00
pgtable.h mm: introduce pte_special pte bit 2008-04-28 08:58:23 -07:00
poll.h
posix_types.h asm-*/posix_types.h: scrub __GLIBC__ 2008-02-08 09:22:34 -08:00
proc-fns.h [ARM] include/asm-arm - use angle brackets for includes 2008-03-06 12:18:18 +00:00
processor.h aout: move STACK_TOP[_MAX] to asm/processor.h 2008-02-08 09:22:29 -08:00
procinfo.h
ptrace.h
resource.h
rtc.h
scatterlist.h
sections.h
segment.h
semaphore.h Generic semaphore implementation 2008-04-17 10:42:34 -04:00
sembuf.h
serial.h
setup.h
shmbuf.h
shmparam.h
sigcontext.h
siginfo.h
signal.h
sizes.h
smp.h
socket.h
sockios.h
sparsemem.h [ARM] Add initial sparsemem support 2008-04-19 11:36:48 +01:00
spinlock.h
spinlock_types.h
stat.h
statfs.h
string.h
suspend.h
system.h [ARM] 5053/1: define before use of processor_id 2008-05-23 13:50:08 +01:00
termbits.h
termios.h
therm.h
thread_info.h ARMv7: Add support for the ThumbEE state saving/restoring 2008-04-18 22:43:06 +01:00
thread_notify.h
timex.h
tlb.h
tlbflush.h
topology.h
traps.h
types.h arm: types: use <asm-generic/int-*.h> for the arm architecture 2008-05-02 16:18:20 -07:00
uaccess.h
ucontext.h
unaligned.h kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
unistd.h [ARM] 4852/1: Add timerfd_create, timerfd_settime and timerfd_gettime syscall entries 2008-04-19 11:28:06 +01:00
user.h Sanitize the type of struct user.u_ar0 2008-02-07 08:42:30 -08:00
vfp.h
vfpmacros.h
vga.h
xor.h