162306a36Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ciconfig ACPI_NFIT 362306a36Sopenharmony_ci tristate "ACPI NVDIMM Firmware Interface Table (NFIT)" 462306a36Sopenharmony_ci depends on PHYS_ADDR_T_64BIT 562306a36Sopenharmony_ci depends on BLK_DEV 662306a36Sopenharmony_ci depends on ARCH_HAS_PMEM_API 762306a36Sopenharmony_ci select LIBNVDIMM 862306a36Sopenharmony_ci help 962306a36Sopenharmony_ci Infrastructure to probe ACPI 6 compliant platforms for 1062306a36Sopenharmony_ci NVDIMMs (NFIT) and register a libnvdimm device tree. In 1162306a36Sopenharmony_ci addition to storage devices this also enables libnvdimm to pass 1262306a36Sopenharmony_ci ACPI._DSM messages for platform/dimm configuration. 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci To compile this driver as a module, choose M here: 1562306a36Sopenharmony_ci the module will be called nfit. 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ciconfig NFIT_SECURITY_DEBUG 1862306a36Sopenharmony_ci bool "Enable debug for NVDIMM security commands" 1962306a36Sopenharmony_ci depends on ACPI_NFIT 2062306a36Sopenharmony_ci help 2162306a36Sopenharmony_ci Some NVDIMM devices and controllers support encryption and 2262306a36Sopenharmony_ci other security features. The payloads for the commands that 2362306a36Sopenharmony_ci enable those features may contain sensitive clear-text 2462306a36Sopenharmony_ci security material. Disable debug of those command payloads 2562306a36Sopenharmony_ci by default. If you are a kernel developer actively working 2662306a36Sopenharmony_ci on NVDIMM security enabling say Y, otherwise say N. 27