diff options
Diffstat (limited to 'drivers/nvdimm/Kconfig')
-rw-r--r-- | drivers/nvdimm/Kconfig | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/nvdimm/Kconfig b/drivers/nvdimm/Kconfig new file mode 100644 index 000000000000..92933551f846 --- /dev/null +++ b/drivers/nvdimm/Kconfig @@ -0,0 +1,15 @@ +config LIBNVDIMM + tristate "NVDIMM (Non-Volatile Memory Device) Support" + depends on PHYS_ADDR_T_64BIT + depends on BLK_DEV + help + Generic support for non-volatile memory devices including + ACPI-6-NFIT defined resources. On platforms that define an + NFIT, or otherwise can discover NVDIMM resources, a libnvdimm + bus is registered to advertise PMEM (persistent memory) + namespaces (/dev/pmemX) and BLK (sliding mmio window(s)) + namespaces (/dev/ndX). A PMEM namespace refers to a memory + resource that may span multiple DIMMs and support DAX (see + CONFIG_DAX). A BLK namespace refers to an NVDIMM control + region which exposes an mmio register set for windowed + access mode to non-volatile memory. |