drivers/firmware/Kconfig

   1 #
   2 # For a description of the syntax of this configuration file,
   3 # see Documentation/kbuild/kconfig-language.txt.
   4 #
   5
   6 menu "Firmware Drivers"
   7
   8 config 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
  20 config 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
  29 config 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
  39 config EFI_VARS
  40         tristate "EFI Variable Support via sysfs"
  41         depends on EFI
  42         default n
  43         help
  44           If you say Y here, you are able to get EFI (Extensible Firmware
  45           Interface) variable information via sysfs.  You may read,
  46           write, create, and destroy EFI variables through this interface.
  47
  48           Note that using this driver in concert with efibootmgr requires
  49           at least test release version 0.5.0-test3 or later, which is
  50           available from Matt Domsch's website located at:
  51           <http://linux.dell.com/efibootmgr/testing/efibootmgr-0.5.0-test3.tar.gz>
  52
  53           Subsequent efibootmgr releases may be found at:
  54           <http://linux.dell.com/efibootmgr>
  55
  56 config EFI_PCDP
  57         bool "Console device selection via EFI PCDP or HCDP table"
  58         depends on ACPI && EFI && IA64
  59         default y if IA64
  60         help
  61           If your firmware supplies the PCDP table, and you want to
  62           automatically use the primary console device it describes
  63           as the Linux console, say Y here.
  64
  65           If your firmware supplies the HCDP table, and you want to
  66           use the first serial port it describes as the Linux console,
  67           say Y here.  If your EFI ConOut path contains only a UART
  68           device, it will become the console automatically.  Otherwise,
  69           you must specify the "console=hcdp" kernel boot argument.
  70
  71           Neither the PCDP nor the HCDP affects naming of serial devices,
  72           so a serial console may be /dev/ttyS0, /dev/ttyS1, etc, depending
  73           on how the driver discovers devices.
  74
  75           You must also enable the appropriate drivers (serial, VGA, etc.)
  76
  77           See DIG64_HCDPv20_042804.pdf available from
  78           <http://www.dig64.org/specifications/>
  79
  80 config DELL_RBU
  81         tristate "BIOS update support for DELL systems via sysfs"
  82         depends on X86
  83         select FW_LOADER
  84         help
  85          Say m if you want to have the option of updating the BIOS for your
  86          DELL system. Note you need a Dell OpenManage or Dell Update package (DUP)
  87          supporting application to communicate with the BIOS regarding the new
  88          image for the image update to take effect.
  89          See <file:Documentation/dell_rbu.txt> for more details on the driver.
  90
  91 config DCDBAS
  92         tristate "Dell Systems Management Base Driver"
  93         depends on X86
  94         help
  95           The Dell Systems Management Base Driver provides a sysfs interface
  96           for systems management software to perform System Management
  97           Interrupts (SMIs) and Host Control Actions (system power cycle or
  98           power off after OS shutdown) on certain Dell systems.
  99
 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
 104           Say Y or M here to enable the driver for use by Dell systems
 105           management software such as Dell OpenManage.
 106
 107 config DMIID
 108     bool "Export DMI identification via sysfs to userspace"
 109     depends on DMI
 110     default y
 111         help
 112           Say Y here if you want to query SMBIOS/DMI system identification
 113           information from userspace through /sys/class/dmi/id/ or if you want
 114           DMI-based module auto-loading.
 115
 116 config DMI_SYSFS
 117         tristate "DMI table support in sysfs"
 118         depends on SYSFS && DMI
 119         default n
 120         help
 121           Say Y or M here to enable the exporting of the raw DMI table
 122           data via sysfs.  This is useful for consuming the data without
 123           requiring any access to /dev/mem at all.  Tables are found
 124           under /sys/firmware/dmi when this option is enabled and
 125           loaded.
 126
 127 config ISCSI_IBFT_FIND
 128         bool "iSCSI Boot Firmware Table Attributes"
 129         depends on X86
 130         default n
 131         help
 132           This option enables the kernel to find the region of memory
 133           in which the ISCSI Boot Firmware Table (iBFT) resides. This
 134           is necessary for iSCSI Boot Firmware Table Attributes module to work
 135           properly.
 136
 137 config ISCSI_IBFT
 138         tristate "iSCSI Boot Firmware Table Attributes module"
 139         select ISCSI_BOOT_SYSFS
 140         depends on ISCSI_IBFT_FIND && SCSI && SCSI_LOWLEVEL
 141         default n
 142         help
 143           This option enables support for detection and exposing of iSCSI
 144           Boot Firmware Table (iBFT) via sysfs to userspace. If you wish to
 145           detect iSCSI boot parameters dynamically during system boot, say Y.
 146           Otherwise, say N.
 147
 148 source "drivers/firmware/google/Kconfig"
 149
 150 endmenu