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