Kconfig 5.9 KB

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  1. #
  2. # For a description of the syntax of this configuration file,
  3. # see Documentation/kbuild/kconfig-language.txt.
  4. #
  5. menu "Firmware Drivers"
  6. config EDD
  7. tristate "BIOS Enhanced Disk Drive calls determine boot disk"
  8. depends on X86
  9. help
  10. Say Y or M here if you want to enable BIOS Enhanced Disk Drive
  11. Services real mode BIOS calls to determine which disk
  12. BIOS tries boot from. This information is then exported via sysfs.
  13. This option is experimental and is known to fail to boot on some
  14. obscure configurations. Most disk controller BIOS vendors do
  15. not yet implement this feature.
  16. config EDD_OFF
  17. bool "Sets default behavior for EDD detection to off"
  18. depends on EDD
  19. default n
  20. help
  21. Say Y if you want EDD disabled by default, even though it is compiled into the
  22. kernel. Say N if you want EDD enabled by default. EDD can be dynamically set
  23. using the kernel parameter 'edd={on|skipmbr|off}'.
  24. config FIRMWARE_MEMMAP
  25. bool "Add firmware-provided memory map to sysfs" if EXPERT
  26. default X86
  27. help
  28. Add the firmware-provided (unmodified) memory map to /sys/firmware/memmap.
  29. That memory map is used for example by kexec to set up parameter area
  30. for the next kernel, but can also be used for debugging purposes.
  31. See also Documentation/ABI/testing/sysfs-firmware-memmap.
  32. config EFI_VARS
  33. tristate "EFI Variable Support via sysfs"
  34. depends on EFI
  35. select UCS2_STRING
  36. default n
  37. help
  38. If you say Y here, you are able to get EFI (Extensible Firmware
  39. Interface) variable information via sysfs. You may read,
  40. write, create, and destroy EFI variables through this interface.
  41. Note that using this driver in concert with efibootmgr requires
  42. at least test release version 0.5.0-test3 or later, which is
  43. available from Matt Domsch's website located at:
  44. <http://linux.dell.com/efibootmgr/testing/efibootmgr-0.5.0-test3.tar.gz>
  45. Subsequent efibootmgr releases may be found at:
  46. <http://linux.dell.com/efibootmgr>
  47. config EFI_VARS_PSTORE
  48. bool "Register efivars backend for pstore"
  49. depends on EFI_VARS && PSTORE
  50. default y
  51. help
  52. Say Y here to enable use efivars as a backend to pstore. This
  53. will allow writing console messages, crash dumps, or anything
  54. else supported by pstore to EFI variables.
  55. config EFI_VARS_PSTORE_DEFAULT_DISABLE
  56. bool "Disable using efivars as a pstore backend by default"
  57. depends on EFI_VARS_PSTORE
  58. default n
  59. help
  60. Saying Y here will disable the use of efivars as a storage
  61. backend for pstore by default. This setting can be overridden
  62. using the efivars module's pstore_disable parameter.
  63. config EFI_PCDP
  64. bool "Console device selection via EFI PCDP or HCDP table"
  65. depends on ACPI && EFI && IA64
  66. default y if IA64
  67. help
  68. If your firmware supplies the PCDP table, and you want to
  69. automatically use the primary console device it describes
  70. as the Linux console, say Y here.
  71. If your firmware supplies the HCDP table, and you want to
  72. use the first serial port it describes as the Linux console,
  73. say Y here. If your EFI ConOut path contains only a UART
  74. device, it will become the console automatically. Otherwise,
  75. you must specify the "console=hcdp" kernel boot argument.
  76. Neither the PCDP nor the HCDP affects naming of serial devices,
  77. so a serial console may be /dev/ttyS0, /dev/ttyS1, etc, depending
  78. on how the driver discovers devices.
  79. You must also enable the appropriate drivers (serial, VGA, etc.)
  80. See DIG64_HCDPv20_042804.pdf available from
  81. <http://www.dig64.org/specifications/>
  82. config DELL_RBU
  83. tristate "BIOS update support for DELL systems via sysfs"
  84. depends on X86
  85. select FW_LOADER
  86. help
  87. Say m if you want to have the option of updating the BIOS for your
  88. DELL system. Note you need a Dell OpenManage or Dell Update package (DUP)
  89. supporting application to communicate with the BIOS regarding the new
  90. image for the image update to take effect.
  91. See <file:Documentation/dell_rbu.txt> for more details on the driver.
  92. config DCDBAS
  93. tristate "Dell Systems Management Base Driver"
  94. depends on X86
  95. help
  96. The Dell Systems Management Base Driver provides a sysfs interface
  97. for systems management software to perform System Management
  98. Interrupts (SMIs) and Host Control Actions (system power cycle or
  99. power off after OS shutdown) on certain Dell systems.
  100. See <file:Documentation/dcdbas.txt> for more details on the driver
  101. and the Dell systems on which Dell systems management software makes
  102. use of this driver.
  103. Say Y or M here to enable the driver for use by Dell systems
  104. management software such as Dell OpenManage.
  105. config DMIID
  106. bool "Export DMI identification via sysfs to userspace"
  107. depends on DMI
  108. default y
  109. help
  110. Say Y here if you want to query SMBIOS/DMI system identification
  111. information from userspace through /sys/class/dmi/id/ or if you want
  112. DMI-based module auto-loading.
  113. config DMI_SYSFS
  114. tristate "DMI table support in sysfs"
  115. depends on SYSFS && DMI
  116. default n
  117. help
  118. Say Y or M here to enable the exporting of the raw DMI table
  119. data via sysfs. This is useful for consuming the data without
  120. requiring any access to /dev/mem at all. Tables are found
  121. under /sys/firmware/dmi when this option is enabled and
  122. loaded.
  123. config ISCSI_IBFT_FIND
  124. bool "iSCSI Boot Firmware Table Attributes"
  125. depends on X86
  126. default n
  127. help
  128. This option enables the kernel to find the region of memory
  129. in which the ISCSI Boot Firmware Table (iBFT) resides. This
  130. is necessary for iSCSI Boot Firmware Table Attributes module to work
  131. properly.
  132. config ISCSI_IBFT
  133. tristate "iSCSI Boot Firmware Table Attributes module"
  134. select ISCSI_BOOT_SYSFS
  135. depends on ISCSI_IBFT_FIND && SCSI && SCSI_LOWLEVEL
  136. default n
  137. help
  138. This option enables support for detection and exposing of iSCSI
  139. Boot Firmware Table (iBFT) via sysfs to userspace. If you wish to
  140. detect iSCSI boot parameters dynamically during system boot, say Y.
  141. Otherwise, say N.
  142. source "drivers/firmware/google/Kconfig"
  143. endmenu