CONFIG_CRYPTO_CRC32C_VPMSUM: CRC32c

General informations

The Linux kernel configuration item CONFIG_CRYPTO_CRC32C_VPMSUM has multiple definitions:

CRC32c found in arch/powerpc/crypto/Kconfig

The configuration item CONFIG_CRYPTO_CRC32C_VPMSUM:

• prompt: CRC32c
• type: tristate
• depends on: CONFIG_PPC64 && CONFIG_ALTIVEC
• defined in arch/powerpc/crypto/Kconfig
• found in Linux kernels: 6.1–6.13
• modules built: crc32c-vpmsum, crc32c-vpmsum

Help text

CRC32c CRC algorithm with the iSCSI polynomial (RFC 3385 and RFC 3720)

Architecture: powerpc64 using - AltiVec extensions

Enable on POWER8 and newer processors for improved performance.

CRC32c CRC algorithm (powerpc64) found in crypto/Kconfig

The configuration item CONFIG_CRYPTO_CRC32C_VPMSUM:

• prompt: CRC32c CRC algorithm (powerpc64)
• type: tristate
• depends on: CONFIG_PPC64 && CONFIG_ALTIVEC
• defined in crypto/Kconfig
• found in Linux kernels: 4.10–4.20, 5.0–5.19, 6.0, 6.0+HEAD
• modules built: crc32c-vpmsum, crc32c-vpmsum

Help text

CRC32c algorithm implemented using vector polynomial multiply-sum (vpmsum) instructions, introduced in POWER8. Enable on POWER8 and newer processors for improved performance.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module crc32c-vpmsum CONFIG_CRYPTO_CRC32C_VPMSUM : arch/powerpc/crypto/Kconfig : "CRC32c" # in 6.1–6.13
• lkddb module crc32c-vpmsum CONFIG_CRYPTO_CRC32C_VPMSUM : crypto/Kconfig : "CRC32c CRC algorithm (powerpc64)" # in 4.10–4.20, 5.0–5.19, 6.0, 6.0+HEAD

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)

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