CONFIG_RAR_REGISTER: Restricted Access Region Register Driver

General informations

The Linux kernel configuration item CONFIG_RAR_REGISTER has multiple definitions:

Restricted Access Region Register Driver found in drivers/platform/x86/Kconfig

The configuration item CONFIG_RAR_REGISTER:

• prompt: Restricted Access Region Register Driver
• type: bool
• depends on: CONFIG_PCI && CONFIG_X86_MRST
• defined in drivers/platform/x86/Kconfig
• found in Linux kernels: 2.6.36–2.6.39, 3.0–3.3
• modules built: rar_driver, rar_register

Help text

This driver allows other kernel drivers access to the contents of the restricted access region control registers.

The restricted access region control registers (rar_registers) are used to pass address and locking information on restricted access regions to other drivers that use restricted access regions.

The restricted access regions are regions of memory on the Intel MID Platform that are not accessible to the x86 processor, but are accessible to dedicated processors on board peripheral devices.

The purpose of the restricted access regions is to protect sensitive data from compromise by unauthorized programs running on the x86 processor.

Restricted Access Region Register Driver found in drivers/staging/rar_register/Kconfig

The configuration item CONFIG_RAR_REGISTER:

• prompt: Restricted Access Region Register Driver
• type: tristate
• depends on: CONFIG_PCI
• defined in drivers/staging/rar_register/Kconfig
• found in Linux kernels: 2.6.34–2.6.35
• modules built: rar_driver, rar_register

Help text

This driver allows other kernel drivers access to the contents of the restricted access region control registers.

The restricted access region control registers (rar_registers) are used to pass address and locking information on restricted access regions to other drivers that use restricted access regions.

The restricted access regions are regions of memory on the Intel MID Platform that are not accessible to the x86 processor, but are accessible to dedicated processors on board peripheral devices.

The purpose of the restricted access regions is to protect sensitive data from compromise by unauthorized programs running on the x86 processor.

Restricted Access Region Register Driver found in drivers/staging/rar/Kconfig

The configuration item CONFIG_RAR_REGISTER:

• prompt: Restricted Access Region Register Driver
• type: tristate
• depends on: (none)
• defined in drivers/staging/rar/Kconfig
• found in Linux kernels: 2.6.32–2.6.33
• modules built: rar_driver, rar_register

Help text

This driver allows other kernel drivers access to the contents of the restricted access region control registers.

Hardware

PCI

Numeric ID (from LKDDb) and names (from pci.ids) of recognized devices:

• vendor: 8086 ("Intel Corporation"), device: 4110
• vendor: 8086 ("Intel Corporation"), device: 4110
• vendor: 8086 ("Intel Corporation"), device: 4110

LKDDb

Raw data from LKDDb:

• lkddb module rar_driver CONFIG_RAR_REGISTER : drivers/staging/rar/Kconfig : "Restricted Access Region Register Driver" # in 2.6.32–2.6.33
• lkddb module rar_register CONFIG_RAR_REGISTER : drivers/staging/rar_register/Kconfig : "Restricted Access Region Register Driver" # in 2.6.34–2.6.35
• lkddb pci 8086 4110 .... .... ...... : CONFIG_RAR_REGISTER CONFIG_STAGING : drivers/staging/rar/rar_driver.c # in 2.6.32–2.6.33
• lkddb pci 8086 4110 .... .... ...... : CONFIG_RAR_REGISTER CONFIG_STAGING : drivers/staging/rar_register/rar_register.c # in 2.6.34–2.6.35
• lkddb pci 8086 4110 .... .... ...... : CONFIG_RAR_REGISTER CONFIG_X86 : drivers/platform/x86/intel_rar_register.c # in 2.6.36–2.6.39, 3.0

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)
• The Linux PCI ID Repository.

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