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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 Convert files to UTF-8 and some cleanups 2007-10-19 23:21:04 +02:00
arch-at91 [ARM] 4913/1: [AT91] PMC_MDIV definitions 2008-04-10 14:57:20 +01:00
arch-cl7500 [ARM] Use new get_irqnr_preamble 2007-05-12 15:25:50 +01:00
arch-clps711x
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arch-davinci [ARM] 4634/1: DaVinci GPIO header build fix 2007-10-31 15:21:52 +00:00
arch-ebsa110 [ARM] Use new get_irqnr_preamble 2007-05-12 15:25:50 +01:00
arch-ebsa285 [ARM] Use new get_irqnr_preamble 2007-05-12 15:25:50 +01:00
arch-ep93xx [ARM] 4988/1: Add GPIO lib support to the EP93xx 2008-04-19 14:01:43 +01:00
arch-h720x
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arch-imx imxfb: fast read flag and nonstandard field configurable 2007-10-16 09:43:21 -07:00
arch-integrator [ARM] Remove Integrator/CP SMP platform support 2007-05-16 15:35:26 +01:00
arch-iop13xx iop-adma: remove the workaround for missed interrupts on iop3xx 2008-04-17 13:25:54 -07:00
arch-iop32x [ARM] 4476/1: EM7210/SS4000E support 2007-07-20 09:35:35 +01:00
arch-iop33x iop3xx: surface the iop3xx DMA and AAU units to the iop-adma driver 2007-07-13 08:06:19 -07:00
arch-ixp4xx Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm 2008-02-04 15:29:53 -08:00
arch-ixp23xx [ARM] 4680/1: parentheses around NR_IRQS definition 2007-11-29 20:56:57 +00:00
arch-ixp2000
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arch-ks8695 [ARM] 4981/1: [KS8695] Simple LED driver 2008-04-17 15:58:25 +01:00
arch-l7200
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arch-lh7a40x
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arch-msm [ARM] msm: dma support for MSM7X00A 2008-01-26 14:39:14 +00:00
arch-mxc [ARM] 4887/1: i.MXC family: Separate current platform code 2008-04-17 16:15:17 +01:00
arch-netx
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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
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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 [ARM] 4564/1: Add tagged list support for Acorn RiscPC's uncompress code 2007-10-12 23:43:11 +01:00
arch-s3c2400 [ARM] 4522/1: S3C: split include/asm-arm/arch/memory.h 2007-07-22 17:06:04 +01:00
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
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arch-versatile fix typo 'the same the\>' 2008-02-03 14:59:11 +02:00
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 [ARM] 4786/1: S3C2412: Add SPI FIFO controll constants 2008-01-28 13:20:51 +00:00
.gitignore
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Kbuild [ARM] 4473/2: Take the HWCAP definitions out of the elf.h file 2007-07-12 16:20:15 +01:00
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
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atomic.h atomic.h: atomic_add_unless as inline. Remove system.h atomic.h circular dependency 2007-05-08 11:15:20 -07:00
auxvec.h
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bitops.h ext4: Add ext4_find_next_bit() 2008-01-28 23:58:27 -05:00
bug.h
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bugs.h
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byteorder.h
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cache.h
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cacheflush.h [ARM] Marvell Feroceon CPU core support 2008-01-26 15:03:38 +00:00
checksum.h
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cnt32_to_63.h
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cpu-multi32.h Add a prefetch abort handler 2008-04-18 22:43:07 +01:00
cpu-single.h
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cpu.h
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cputime.h
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current.h
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delay.h
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device.h
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div64.h rename div64_64 to div64_u64 2008-05-01 08:03:58 -07:00
dma-mapping.h arm: sg fallout 2007-10-23 12:37:59 +02:00
dma.h
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domain.h
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dyntick.h
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ecard.h [ARM] ecard: add ecardm_iomap() / ecardm_iounmap() 2007-05-11 17:19:02 +01:00
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
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errno.h
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fb.h fbdev: detect primary display device 2007-07-17 10:23:11 -07:00
fcntl.h
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fiq.h
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flat.h [ARM] nommu: fix breakage caused by f9720205d1 2007-10-31 15:21:42 +00:00
floppy.h cleanup floppy.h 2007-10-17 08:42:55 -07:00
fpstate.h [ARM] 4583/1: ARMv7: Add VFPv3 support 2008-01-26 14:41:28 +00:00
futex.h
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glue.h Add a prefetch abort handler 2008-04-18 22:43:07 +01:00
gpio.h
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hardirq.h
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hardware.h
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hw_irq.h
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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 endianness annotations in arm io.h 2007-10-14 12:41:52 -07:00
ioctl.h
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ioctls.h [ARM] enable arbitary speed tty ioctls and split input/output speed 2007-05-28 23:07:34 +01:00
ipcbuf.h
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irq.h
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irq_regs.h
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irqflags.h
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kdebug.h move die notifier handling to common code 2007-05-08 11:15:04 -07:00
kexec.h [ARM] 4838/1: Fix kexec for SA1100 machines 2008-02-29 22:47:09 +00:00
kmap_types.h
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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
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limits.h
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linkage.h [ARM] VFP: fix section mismatch error 2007-06-10 12:22:20 +01:00
local.h
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locks.h
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mc146818rtc.h
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memory.h [ARM] Add initial sparsemem support 2008-04-19 11:36:48 +01:00
mman.h
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mmu.h [ARM] ARMv6: add CPU_HAS_ASID configuration 2007-05-17 10:19:23 +01:00
mmu_context.h [ARM] ARMv6: add CPU_HAS_ASID configuration 2007-05-17 10:19:23 +01:00
mmzone.h
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module.h
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msgbuf.h
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mtd-xip.h
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mutex.h misc: removal of final callers using fastcall 2008-02-08 09:22:31 -08:00
namei.h
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nwflash.h
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page-nommu.h
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page.h [ARM] 5051/1: define pgtable_t for the !CONFIG_MMU case too 2008-05-23 13:50:05 +01:00
param.h
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parport.h
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pci.h [ARM] 4577/1: ITE 8152 PCI bridge support 2007-10-15 18:53:59 +01:00
percpu.h
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pgalloc.h CONFIG_HIGHPTE vs. sub-page page tables. 2008-02-08 09:22:42 -08:00
pgtable-hwdef.h
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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 Consolidate asm/poll.h 2007-05-11 08:29:34 -07:00
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
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ptrace.h [ARM] 4474/1: Do not check the PSR_F_BIT in valid_user_regs 2007-07-12 16:20:52 +01:00
resource.h
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rtc.h
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scatterlist.h Add CONFIG_DEBUG_SG sg validation 2007-10-22 21:20:03 +02:00
sections.h
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segment.h
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semaphore.h Generic semaphore implementation 2008-04-17 10:42:34 -04:00
sembuf.h
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serial.h
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setup.h [ARM] use __used attribute 2007-05-30 13:15:06 +01:00
shmbuf.h
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shmparam.h
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sigcontext.h
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siginfo.h
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signal.h
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sizes.h [ARM] 4372/1: Define byte sizes in asm-arm/sizes.h 2007-05-11 21:07:58 +01:00
smp.h [ARM] 4814/1: RealView: Add broadcasting clockevents support for ARM11MPCore 2008-02-04 17:52:19 +00:00
socket.h [NET]: Introducing socket mark socket option. 2008-01-31 19:27:19 -08:00
sockios.h
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sparsemem.h [ARM] Add initial sparsemem support 2008-04-19 11:36:48 +01:00
spinlock.h
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spinlock_types.h
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stat.h
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statfs.h
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string.h
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suspend.h
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system.h [ARM] 5053/1: define before use of processor_id 2008-05-23 13:50:08 +01:00
termbits.h [ARM] enable arbitary speed tty ioctls and split input/output speed 2007-05-28 23:07:34 +01:00
termios.h [ARM] enable arbitary speed tty ioctls and split input/output speed 2007-05-28 23:07:34 +01:00
therm.h
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thread_info.h ARMv7: Add support for the ThumbEE state saving/restoring 2008-04-18 22:43:06 +01:00
thread_notify.h
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timex.h
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tlb.h add mm argument to pte/pmd/pud/pgd_free 2008-02-05 09:44:18 -08:00
tlbflush.h remove unused flush_tlb_pgtables 2007-10-19 11:53:34 -07:00
topology.h
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traps.h ARM kprobes: prevent some functions involved with kprobes from being probed 2008-01-26 15:25:17 +00:00
types.h arm: types: use <asm-generic/int-*.h> for the arm architecture 2008-05-02 16:18:20 -07:00
uaccess.h
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ucontext.h
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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 [ARM] 4583/1: ARMv7: Add VFPv3 support 2008-01-26 14:41:28 +00:00
vfpmacros.h [ARM] 4583/1: ARMv7: Add VFPv3 support 2008-01-26 14:41:28 +00:00
vga.h
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xor.h
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