| config MV_XOR_NET_DMA |
| bool "Use the XOR engine as NET DMA" |
| depends on NET_DMA && NOT_SUPPORTED |
| default n |
| help |
| Invokes XOR as NET DMA engine |
| |
| config MV_USE_XOR_ENGINE |
| bool "Use the XOR engines to offload CPU tasks" |
| depends on (MV_INCLUDE_XOR) && EXPERIMENTAL |
| default n |
| help |
| Say Y of you want to use the XOR engine to offload some of the |
| CPU tasks. |
| |
| config MV_XOR_MEMCOPY |
| bool "Use the XOR engine to accelerate memcpy()" |
| depends on MV_USE_XOR_ENGINE && NOT_SUPPORTED |
| default n |
| help |
| Say Y here if you want to use the XOR engine to perform |
| the memcpy and memmove. |
| |
| config MV_XOR_MEMCOPY_THRESHOLD |
| int "Minimum number of bytes to use XOR acceleration for memcpy()" |
| depends on MV_XOR_MEMCOPY |
| default "128" |
| help |
| This is the minimum buffer size needed in order to operate the XOR engine |
| for accelerating the memcpy() operations |
| |
| config MV_XOR_MEMXOR |
| bool "Use the XOR engine to perform xor bitmap calculations" |
| depends on MV_USE_XOR_ENGINE |
| default n |
| help |
| Say Y to accelerate the RAID4/5 xor bitmap calculations. |
| |
| config MV_XOR_MEMXOR_THRESHOLD |
| int "Minimum number of bytes to perform xor bitmap calculations" |
| depends on MV_XOR_MEMXOR |
| default "4096" |
| help |
| This is the minimum buffer size to operate the XOR engine |
| for xor bitmap operations |
| |
| config MV_XOR_COPY_TO_USER |
| bool "Use XOR hardware to accelerate copy_to_user function" |
| depends on MV_USE_XOR_ENGINE && NOT_SUPPORTED |
| default n |
| help |
| Say Y here to accelerate the copy_to_user function |
| |
| config MV_XOR_COPY_TO_USER_THRESHOLD |
| int "A threshold to employ XOR hardware for copy_to_user()" |
| depends on MV_XOR_COPY_TO_USER |
| default "1260" |
| help |
| This is the minimum buffer size required to operate XOR engine |
| to accelerate the copy_to_user() operation. |
| |
| config MV_XOR_COPY_FROM_USER |
| bool "Use XOR hardware to accelerate copy_from_user function" |
| depends on MV_USE_XOR_ENGINE && NOT_SUPPORTED |
| default n |
| help |
| Say Y here to accelerate the copy_from_user function |
| |
| config MV_XOR_COPY_FROM_USER_THRESHOLD |
| int "A threshold to employ XOR hardware for copy_from_user()" |
| depends on MV_XOR_COPY_FROM_USER |
| default "1260" |
| help |
| This is the minimum buffer size required to operate XOR engine |
| to accelerate the copy_from_user() operation. |
| |
| config MV_XOR_CHANNELS |
| int "Number of XOR channels" |
| depends on MV_USE_XOR_ENGINE |
| range 1 4 |
| default 2 |
| help |
| Select the number of XOR channels to be used for kernel functions |
| accelerations. |
| #endmenu |
| |
| ##source "drivers/dma/Kconfig" |
