1What: /config/acpi 2Date: July 2016 3KernelVersion: 4.8 4Contact: linux-acpi@vger.kernel.org 5Description: 6 This represents the ACPI subsystem entry point directory. It 7 contains sub-groups corresponding to ACPI configurable options. 8 9What: /config/acpi/table 10Date: July 2016 11KernelVersion: 4.8 12Description: 13 14 This group contains the configuration for user defined ACPI 15 tables. The attributes of a user define table are: 16 17 aml 18 - a binary attribute that the user can use to 19 fill in the ACPI aml definitions. Once the aml 20 data is written to this file and the file is 21 closed the table will be loaded and ACPI devices 22 will be enumerated. To check if the operation is 23 successful the user must check the error code 24 for close(). If the operation is successful, 25 subsequent writes to this attribute will fail. 26 27 The rest of the attributes are read-only and are valid only 28 after the table has been loaded by filling the aml entry: 29 30 signature 31 - ASCII table signature 32 33 length 34 - length of table in bytes, including the header 35 36 revision 37 - ACPI Specification minor version number 38 39 oem_id 40 - ASCII OEM identification 41 42 oem_table_id 43 - ASCII OEM table identification 44 45 oem_revision 46 - OEM revision number 47 48 asl_compiler_id 49 - ASCII ASL compiler vendor ID 50 51 asl_compiler_revision 52 - ASL compiler version 53