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305 lines
9.4 KiB
Plaintext
305 lines
9.4 KiB
Plaintext
#
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# Hardware Random Number Generator (RNG) configuration
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#
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config HW_RANDOM
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tristate "Hardware Random Number Generator Core support"
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default m
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---help---
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Hardware Random Number Generator Core infrastructure.
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To compile this driver as a module, choose M here: the
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module will be called rng-core. This provides a device
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that's usually called /dev/hw_random, and which exposes one
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of possibly several hardware random number generators.
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These hardware random number generators do not feed directly
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into the kernel's random number generator. That is usually
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handled by the "rngd" daemon. Documentation/hw_random.txt
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has more information.
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If unsure, say Y.
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config HW_RANDOM_TIMERIOMEM
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tristate "Timer IOMEM HW Random Number Generator support"
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depends on HW_RANDOM && HAS_IOMEM
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---help---
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This driver provides kernel-side support for a generic Random
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Number Generator used by reading a 'dumb' iomem address that
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is to be read no faster than, for example, once a second;
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the default FPGA bitstream on the TS-7800 has such functionality.
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To compile this driver as a module, choose M here: the
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module will be called timeriomem-rng.
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If unsure, say Y.
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config HW_RANDOM_INTEL
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tristate "Intel HW Random Number Generator support"
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depends on HW_RANDOM && (X86 || IA64) && PCI
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on Intel i8xx-based motherboards.
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To compile this driver as a module, choose M here: the
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module will be called intel-rng.
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If unsure, say Y.
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config HW_RANDOM_AMD
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tristate "AMD HW Random Number Generator support"
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depends on HW_RANDOM && (X86 || PPC_MAPLE) && PCI
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on AMD 76x-based motherboards.
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To compile this driver as a module, choose M here: the
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module will be called amd-rng.
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If unsure, say Y.
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config HW_RANDOM_ATMEL
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tristate "Atmel Random Number Generator support"
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depends on HW_RANDOM && HAVE_CLK
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default (HW_RANDOM && ARCH_AT91)
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on Atmel AT91 devices.
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To compile this driver as a module, choose M here: the
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module will be called atmel-rng.
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If unsure, say Y.
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config HW_RANDOM_BCM63XX
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tristate "Broadcom BCM63xx Random Number Generator support"
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depends on HW_RANDOM && BCM63XX
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on the Broadcom BCM63xx SoCs.
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To compile this driver as a module, choose M here: the
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module will be called bcm63xx-rng
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If unusure, say Y.
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config HW_RANDOM_GEODE
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tristate "AMD Geode HW Random Number Generator support"
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depends on HW_RANDOM && X86_32 && PCI
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on the AMD Geode LX.
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To compile this driver as a module, choose M here: the
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module will be called geode-rng.
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If unsure, say Y.
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config HW_RANDOM_N2RNG
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tristate "Niagara2 Random Number Generator support"
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depends on HW_RANDOM && SPARC64
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on Niagara2 cpus.
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To compile this driver as a module, choose M here: the
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module will be called n2-rng.
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If unsure, say Y.
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config HW_RANDOM_VIA
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tristate "VIA HW Random Number Generator support"
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depends on HW_RANDOM && X86
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on VIA based motherboards.
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To compile this driver as a module, choose M here: the
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module will be called via-rng.
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If unsure, say Y.
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config HW_RANDOM_IXP4XX
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tristate "Intel IXP4xx NPU HW Pseudo-Random Number Generator support"
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depends on HW_RANDOM && ARCH_IXP4XX
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Pseudo-Random
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Number Generator hardware found on the Intel IXP45x/46x NPU.
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To compile this driver as a module, choose M here: the
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module will be called ixp4xx-rng.
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If unsure, say Y.
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config HW_RANDOM_OMAP
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tristate "OMAP Random Number Generator support"
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depends on HW_RANDOM && (ARCH_OMAP16XX || ARCH_OMAP2)
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on OMAP16xx and OMAP24xx multimedia
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processors.
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To compile this driver as a module, choose M here: the
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module will be called omap-rng.
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If unsure, say Y.
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config HW_RANDOM_OCTEON
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tristate "Octeon Random Number Generator support"
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depends on HW_RANDOM && CPU_CAVIUM_OCTEON
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on Octeon processors.
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To compile this driver as a module, choose M here: the
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module will be called octeon-rng.
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If unsure, say Y.
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config HW_RANDOM_PASEMI
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tristate "PA Semi HW Random Number Generator support"
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depends on HW_RANDOM && PPC_PASEMI
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on PA Semi PWRficient SoCs.
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To compile this driver as a module, choose M here: the
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module will be called pasemi-rng.
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If unsure, say Y.
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config HW_RANDOM_VIRTIO
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tristate "VirtIO Random Number Generator support"
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depends on HW_RANDOM && VIRTIO
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---help---
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This driver provides kernel-side support for the virtual Random Number
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Generator hardware.
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To compile this driver as a module, choose M here: the
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module will be called virtio-rng. If unsure, say N.
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config HW_RANDOM_TX4939
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tristate "TX4939 Random Number Generator support"
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depends on HW_RANDOM && SOC_TX4939
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on TX4939 SoC.
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To compile this driver as a module, choose M here: the
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module will be called tx4939-rng.
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If unsure, say Y.
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config HW_RANDOM_MXC_RNGA
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tristate "Freescale i.MX RNGA Random Number Generator"
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depends on HW_RANDOM && ARCH_HAS_RNGA
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on Freescale i.MX processors.
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To compile this driver as a module, choose M here: the
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module will be called mxc-rnga.
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If unsure, say Y.
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config HW_RANDOM_NOMADIK
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tristate "ST-Ericsson Nomadik Random Number Generator support"
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depends on HW_RANDOM && PLAT_NOMADIK
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on ST-Ericsson SoCs (8815 and 8500).
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To compile this driver as a module, choose M here: the
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module will be called nomadik-rng.
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If unsure, say Y.
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config HW_RANDOM_PICOXCELL
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tristate "Picochip picoXcell true random number generator support"
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depends on HW_RANDOM && ARCH_PICOXCELL && PICOXCELL_PC3X3
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on Picochip PC3x3 and later devices.
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To compile this driver as a module, choose M here: the
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module will be called picoxcell-rng.
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If unsure, say Y.
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config HW_RANDOM_PPC4XX
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tristate "PowerPC 4xx generic true random number generator support"
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depends on HW_RANDOM && PPC && 4xx
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---help---
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This driver provides the kernel-side support for the TRNG hardware
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found in the security function of some PowerPC 4xx SoCs.
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To compile this driver as a module, choose M here: the
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module will be called ppc4xx-rng.
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If unsure, say N.
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config UML_RANDOM
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depends on UML
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tristate "Hardware random number generator"
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help
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This option enables UML's "hardware" random number generator. It
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attaches itself to the host's /dev/random, supplying as much entropy
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as the host has, rather than the small amount the UML gets from its
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own drivers. It registers itself as a standard hardware random number
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generator, major 10, minor 183, and the canonical device name is
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/dev/hwrng.
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The way to make use of this is to install the rng-tools package
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(check your distro, or download from
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http://sourceforge.net/projects/gkernel/). rngd periodically reads
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/dev/hwrng and injects the entropy into /dev/random.
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config HW_RANDOM_PSERIES
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tristate "pSeries HW Random Number Generator support"
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depends on HW_RANDOM && PPC64 && IBMVIO
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on POWER7+ machines and above
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To compile this driver as a module, choose M here: the
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module will be called pseries-rng.
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If unsure, say Y.
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config HW_RANDOM_EXYNOS
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tristate "EXYNOS HW random number generator support"
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depends on HW_RANDOM && HAS_IOMEM && HAVE_CLK
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---help---
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This driver provides kernel-side support for the Random Number
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Generator hardware found on EXYNOS SOCs.
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To compile this driver as a module, choose M here: the
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module will be called exynos-rng.
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If unsure, say Y.
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config HW_RANDOM_TPM
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tristate "TPM HW Random Number Generator support"
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depends on HW_RANDOM && TCG_TPM
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default HW_RANDOM
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---help---
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This driver provides kernel-side support for the Random Number
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Generator in the Trusted Platform Module
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To compile this driver as a module, choose M here: the
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module will be called tpm-rng.
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If unsure, say Y.
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