Merge tag 'crc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux

Pull CRC updates from Eric Biggers:

 - Reorganize the architecture-optimized CRC32 and CRC-T10DIF code to be
   directly accessible via the library API, instead of requiring the
   crypto API. This is much simpler and more efficient.

 - Convert some users such as ext4 to use the CRC32 library API instead
   of the crypto API. More conversions like this will come later.

 - Add a KUnit test that tests and benchmarks multiple CRC variants.
   Remove older, less-comprehensive tests that are made redundant by
   this.

 - Add an entry to MAINTAINERS for the kernel's CRC library code. I'm
   volunteering to maintain it. I have additional cleanups and
   optimizations planned for future cycles.

* tag 'crc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux: (31 commits)
  MAINTAINERS: add entry for CRC library
  powerpc/crc: delete obsolete crc-vpmsum_test.c
  lib/crc32test: delete obsolete crc32test.c
  lib/crc16_kunit: delete obsolete crc16_kunit.c
  lib/crc_kunit.c: add KUnit test suite for CRC library functions
  powerpc/crc-t10dif: expose CRC-T10DIF function through lib
  arm64/crc-t10dif: expose CRC-T10DIF function through lib
  arm/crc-t10dif: expose CRC-T10DIF function through lib
  x86/crc-t10dif: expose CRC-T10DIF function through lib
  crypto: crct10dif - expose arch-optimized lib function
  lib/crc-t10dif: add support for arch overrides
  lib/crc-t10dif: stop wrapping the crypto API
  scsi: target: iscsi: switch to using the crc32c library
  f2fs: switch to using the crc32 library
  jbd2: switch to using the crc32c library
  ext4: switch to using the crc32c library
  lib/crc32: make crc32c() go directly to lib
  bcachefs: Explicitly select CRYPTO from BCACHEFS_FS
  x86/crc32: expose CRC32 functions through lib
  x86/crc32: update prototype for crc32_pclmul_le_16()
  ...

9 files changed, 597 insertions, 1253 deletions

diff --git a/lib/Kconfig b/lib/Kconfig
index 5a318f753b2f4..a78d22c6507f5 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -156,13 +156,43 @@ config CRC16
 
 config CRC_T10DIF
 	tristate "CRC calculation for the T10 Data Integrity Field"
-	select CRYPTO
-	select CRYPTO_CRCT10DIF
 	help
 	  This option is only needed if a module that's not in the
 	  kernel tree needs to calculate CRC checks for use with the
 	  SCSI data integrity subsystem.
 
+config ARCH_HAS_CRC_T10DIF
+	bool
+
+choice
+	prompt "CRC-T10DIF implementation"
+	depends on CRC_T10DIF
+	default CRC_T10DIF_IMPL_ARCH if ARCH_HAS_CRC_T10DIF
+	default CRC_T10DIF_IMPL_GENERIC if !ARCH_HAS_CRC_T10DIF
+	help
+	  This option allows you to override the default choice of CRC-T10DIF
+	  implementation.
+
+config CRC_T10DIF_IMPL_ARCH
+	bool "Architecture-optimized" if ARCH_HAS_CRC_T10DIF
+	help
+	  Use the optimized implementation of CRC-T10DIF for the selected
+	  architecture.  It is recommended to keep this enabled, as it can
+	  greatly improve CRC-T10DIF performance.
+
+config CRC_T10DIF_IMPL_GENERIC
+	bool "Generic implementation"
+	help
+	  Use the generic table-based implementation of CRC-T10DIF.  Selecting
+	  this will reduce code size slightly but can greatly reduce CRC-T10DIF
+	  performance.
+
+endchoice
+
+config CRC_T10DIF_ARCH
+	tristate
+	default CRC_T10DIF if CRC_T10DIF_IMPL_ARCH
+
 config CRC64_ROCKSOFT
 	tristate "CRC calculation for the Rocksoft model CRC64"
 	select CRC64
@@ -190,36 +220,45 @@ config CRC32
 	  the kernel tree does. Such modules that use library CRC32/CRC32c
 	  functions require M here.
 
-config CRC32_SELFTEST
-	tristate "CRC32 perform self test on init"
-	depends on CRC32
-	help
-	  This option enables the CRC32 library functions to perform a
-	  self test on initialization. The self test computes crc32_le
-	  and crc32_be over byte strings with random alignment and length
-	  and computes the total elapsed time and number of bytes processed.
+config ARCH_HAS_CRC32
+	bool
 
 choice
 	prompt "CRC32 implementation"
 	depends on CRC32
-	default CRC32_SLICEBY8
+	default CRC32_IMPL_ARCH_PLUS_SLICEBY8 if ARCH_HAS_CRC32
+	default CRC32_IMPL_SLICEBY8 if !ARCH_HAS_CRC32
 	help
-	  This option allows a kernel builder to override the default choice
-	  of CRC32 algorithm.  Choose the default ("slice by 8") unless you
-	  know that you need one of the others.
+	  This option allows you to override the default choice of CRC32
+	  implementation.  Choose the default unless you know that you need one
+	  of the others.
 
-config CRC32_SLICEBY8
+config CRC32_IMPL_ARCH_PLUS_SLICEBY8
+	bool "Arch-optimized, with fallback to slice-by-8" if ARCH_HAS_CRC32
+	help
+	  Use architecture-optimized implementation of CRC32.  Fall back to
+	  slice-by-8 in cases where the arch-optimized implementation cannot be
+	  used, e.g. if the CPU lacks support for the needed instructions.
+
+	  This is the default when an arch-optimized implementation exists.
+
+config CRC32_IMPL_ARCH_PLUS_SLICEBY1
+	bool "Arch-optimized, with fallback to slice-by-1" if ARCH_HAS_CRC32
+	help
+	  Use architecture-optimized implementation of CRC32, but fall back to
+	  slice-by-1 instead of slice-by-8 in order to reduce the binary size.
+
+config CRC32_IMPL_SLICEBY8
 	bool "Slice by 8 bytes"
 	help
 	  Calculate checksum 8 bytes at a time with a clever slicing algorithm.
-	  This is the fastest algorithm, but comes with a 8KiB lookup table.
-	  Most modern processors have enough cache to hold this table without
-	  thrashing the cache.
-
-	  This is the default implementation choice.  Choose this one unless
-	  you have a good reason not to.
+	  This is much slower than the architecture-optimized implementation of
+	  CRC32 (if the selected arch has one), but it is portable and is the
+	  fastest implementation when no arch-optimized implementation is
+	  available.  It uses an 8KiB lookup table.  Most modern processors have
+	  enough cache to hold this table without thrashing the cache.
 
-config CRC32_SLICEBY4
+config CRC32_IMPL_SLICEBY4
 	bool "Slice by 4 bytes"
 	help
 	  Calculate checksum 4 bytes at a time with a clever slicing algorithm.
@@ -228,15 +267,15 @@ config CRC32_SLICEBY4
 
 	  Only choose this option if you know what you are doing.
 
-config CRC32_SARWATE
-	bool "Sarwate's Algorithm (one byte at a time)"
+config CRC32_IMPL_SLICEBY1
+	bool "Slice by 1 byte (Sarwate's algorithm)"
 	help
 	  Calculate checksum a byte at a time using Sarwate's algorithm.  This
-	  is not particularly fast, but has a small 256 byte lookup table.
+	  is not particularly fast, but has a small 1KiB lookup table.
 
 	  Only choose this option if you know what you are doing.
 
-config CRC32_BIT
+config CRC32_IMPL_BIT
 	bool "Classic Algorithm (one bit at a time)"
 	help
 	  Calculate checksum one bit at a time.  This is VERY slow, but has
@@ -246,6 +285,26 @@ config CRC32_BIT
 
 endchoice
 
+config CRC32_ARCH
+	tristate
+	default CRC32 if CRC32_IMPL_ARCH_PLUS_SLICEBY8 || CRC32_IMPL_ARCH_PLUS_SLICEBY1
+
+config CRC32_SLICEBY8
+	bool
+	default y if CRC32_IMPL_SLICEBY8 || CRC32_IMPL_ARCH_PLUS_SLICEBY8
+
+config CRC32_SLICEBY4
+	bool
+	default y if CRC32_IMPL_SLICEBY4
+
+config CRC32_SARWATE
+	bool
+	default y if CRC32_IMPL_SLICEBY1 || CRC32_IMPL_ARCH_PLUS_SLICEBY1
+
+config CRC32_BIT
+	bool
+	default y if CRC32_IMPL_BIT
+
 config CRC64
 	tristate "CRC64 functions"
 	help
@@ -272,14 +331,10 @@ config CRC7
 
 config LIBCRC32C
 	tristate "CRC32c (Castagnoli, et al) Cyclic Redundancy-Check"
-	select CRYPTO
-	select CRYPTO_CRC32C
+	select CRC32
 	help
-	  This option is provided for the case where no in-kernel-tree
-	  modules require CRC32c functions, but a module built outside the
-	  kernel tree does. Such modules that use library CRC32c functions
-	  require M here.  See Castagnoli93.
-	  Module will be libcrc32c.
+	  This option just selects CRC32 and is provided for compatibility
+	  purposes until the users are updated to select CRC32 directly.
 
 config CRC8
 	tristate "CRC8 function"
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index a9cfddc990b7b..5f18746221759 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -2838,6 +2838,26 @@ config HW_BREAKPOINT_KUNIT_TEST
 
 	  If unsure, say N.
 
+config CRC_KUNIT_TEST
+	tristate "KUnit tests for CRC functions" if !KUNIT_ALL_TESTS
+	depends on KUNIT
+	default KUNIT_ALL_TESTS
+	select CRC16
+	select CRC_T10DIF
+	select CRC32
+	select CRC64
+	help
+	  Unit tests for the CRC library functions.
+
+	  This is intended to help people writing architecture-specific
+	  optimized versions.  If unsure, say N.
+
+config CRC_BENCHMARK
+	bool "Benchmark for the CRC functions"
+	depends on CRC_KUNIT_TEST
+	help
+	  Include benchmarks in the KUnit test suite for the CRC functions.
+
 config SIPHASH_KUNIT_TEST
 	tristate "Perform selftest on siphash functions" if !KUNIT_ALL_TESTS
 	depends on KUNIT
@@ -2858,15 +2878,6 @@ config USERCOPY_KUNIT_TEST
 	  on the copy_to/from_user infrastructure, making sure basic
 	  user/kernel boundary testing is working.
 
-config CRC16_KUNIT_TEST
-	tristate "KUnit tests for CRC16"
-	depends on KUNIT
-	default KUNIT_ALL_TESTS
-	select CRC16
-	help
-	  Enable this option to run unit tests for the kernel's CRC16
-	  implementation (<linux/crc16.h>).
-
 config TEST_UDELAY
 	tristate "udelay test driver"
 	help
diff --git a/lib/Makefile b/lib/Makefile
index a8155c972f028..d5cfc7afbbb82 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -164,10 +164,8 @@ obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o
 obj-$(CONFIG_CRC_ITU_T)	+= crc-itu-t.o
 obj-$(CONFIG_CRC32)	+= crc32.o
 obj-$(CONFIG_CRC64)     += crc64.o
-obj-$(CONFIG_CRC32_SELFTEST)	+= crc32test.o
 obj-$(CONFIG_CRC4)	+= crc4.o
 obj-$(CONFIG_CRC7)	+= crc7.o
-obj-$(CONFIG_LIBCRC32C)	+= libcrc32c.o
 obj-$(CONFIG_CRC8)	+= crc8.o
 obj-$(CONFIG_CRC64_ROCKSOFT) += crc64-rocksoft.o
 obj-$(CONFIG_XXHASH)	+= xxhash.o
@@ -392,9 +390,9 @@ CFLAGS_fortify_kunit.o += $(call cc-disable-warning, stringop-overread)
 CFLAGS_fortify_kunit.o += $(call cc-disable-warning, stringop-truncation)
 CFLAGS_fortify_kunit.o += $(DISABLE_STRUCTLEAK_PLUGIN)
 obj-$(CONFIG_FORTIFY_KUNIT_TEST) += fortify_kunit.o
+obj-$(CONFIG_CRC_KUNIT_TEST) += crc_kunit.o
 obj-$(CONFIG_SIPHASH_KUNIT_TEST) += siphash_kunit.o
 obj-$(CONFIG_USERCOPY_KUNIT_TEST) += usercopy_kunit.o
-obj-$(CONFIG_CRC16_KUNIT_TEST) += crc16_kunit.o
 
 obj-$(CONFIG_GENERIC_LIB_DEVMEM_IS_ALLOWED) += devmem_is_allowed.o
 
diff --git a/lib/crc-t10dif.c b/lib/crc-t10dif.c
index 1ed2ed4870971..311c2ab829f15 100644
--- a/lib/crc-t10dif.c
+++ b/lib/crc-t10dif.c
@@ -9,123 +9,57 @@
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/crc-t10dif.h>
-#include <linux/err.h>
-#include <linux/init.h>
-#include <crypto/hash.h>
-#include <crypto/algapi.h>
-#include <linux/static_key.h>
-#include <linux/notifier.h>
 
-static struct crypto_shash __rcu *crct10dif_tfm;
-static DEFINE_STATIC_KEY_TRUE(crct10dif_fallback);
-static DEFINE_MUTEX(crc_t10dif_mutex);
-static struct work_struct crct10dif_rehash_work;
-
-static int crc_t10dif_notify(struct notifier_block *self, unsigned long val, void *data)
-{
-	struct crypto_alg *alg = data;
-
-	if (val != CRYPTO_MSG_ALG_LOADED ||
-	    strcmp(alg->cra_name, CRC_T10DIF_STRING))
-		return NOTIFY_DONE;
-
-	schedule_work(&crct10dif_rehash_work);
-	return NOTIFY_OK;
-}
-
-static void crc_t10dif_rehash(struct work_struct *work)
-{
-	struct crypto_shash *new, *old;
-
-	mutex_lock(&crc_t10dif_mutex);
-	old = rcu_dereference_protected(crct10dif_tfm,
-					lockdep_is_held(&crc_t10dif_mutex));
-	new = crypto_alloc_shash(CRC_T10DIF_STRING, 0, 0);
-	if (IS_ERR(new)) {
-		mutex_unlock(&crc_t10dif_mutex);
-		return;
-	}
-	rcu_assign_pointer(crct10dif_tfm, new);
-	mutex_unlock(&crc_t10dif_mutex);
-
-	if (old) {
-		synchronize_rcu();
-		crypto_free_shash(old);
-	} else {
-		static_branch_disable(&crct10dif_fallback);
-	}
-}
-
-static struct notifier_block crc_t10dif_nb = {
-	.notifier_call = crc_t10dif_notify,
+/*
+ * Table generated using the following polynomial:
+ * x^16 + x^15 + x^11 + x^9 + x^8 + x^7 + x^5 + x^4 + x^2 + x + 1
+ * gt: 0x8bb7
+ */
+static const u16 t10_dif_crc_table[256] = {
+	0x0000, 0x8BB7, 0x9CD9, 0x176E, 0xB205, 0x39B2, 0x2EDC, 0xA56B,
+	0xEFBD, 0x640A, 0x7364, 0xF8D3, 0x5DB8, 0xD60F, 0xC161, 0x4AD6,
+	0x54CD, 0xDF7A, 0xC814, 0x43A3, 0xE6C8, 0x6D7F, 0x7A11, 0xF1A6,
+	0xBB70, 0x30C7, 0x27A9, 0xAC1E, 0x0975, 0x82C2, 0x95AC, 0x1E1B,
+	0xA99A, 0x222D, 0x3543, 0xBEF4, 0x1B9F, 0x9028, 0x8746, 0x0CF1,
+	0x4627, 0xCD90, 0xDAFE, 0x5149, 0xF422, 0x7F95, 0x68FB, 0xE34C,
+	0xFD57, 0x76E0, 0x618E, 0xEA39, 0x4F52, 0xC4E5, 0xD38B, 0x583C,
+	0x12EA, 0x995D, 0x8E33, 0x0584, 0xA0EF, 0x2B58, 0x3C36, 0xB781,
+	0xD883, 0x5334, 0x445A, 0xCFED, 0x6A86, 0xE131, 0xF65F, 0x7DE8,
+	0x373E, 0xBC89, 0xABE7, 0x2050, 0x853B, 0x0E8C, 0x19E2, 0x9255,
+	0x8C4E, 0x07F9, 0x1097, 0x9B20, 0x3E4B, 0xB5FC, 0xA292, 0x2925,
+	0x63F3, 0xE844, 0xFF2A, 0x749D, 0xD1F6, 0x5A41, 0x4D2F, 0xC698,
+	0x7119, 0xFAAE, 0xEDC0, 0x6677, 0xC31C, 0x48AB, 0x5FC5, 0xD472,
+	0x9EA4, 0x1513, 0x027D, 0x89CA, 0x2CA1, 0xA716, 0xB078, 0x3BCF,
+	0x25D4, 0xAE63, 0xB90D, 0x32BA, 0x97D1, 0x1C66, 0x0B08, 0x80BF,
+	0xCA69, 0x41DE, 0x56B0, 0xDD07, 0x786C, 0xF3DB, 0xE4B5, 0x6F02,
+	0x3AB1, 0xB106, 0xA668, 0x2DDF, 0x88B4, 0x0303, 0x146D, 0x9FDA,
+	0xD50C, 0x5EBB, 0x49D5, 0xC262, 0x6709, 0xECBE, 0xFBD0, 0x7067,
+	0x6E7C, 0xE5CB, 0xF2A5, 0x7912, 0xDC79, 0x57CE, 0x40A0, 0xCB17,
+	0x81C1, 0x0A76, 0x1D18, 0x96AF, 0x33C4, 0xB873, 0xAF1D, 0x24AA,
+	0x932B, 0x189C, 0x0FF2, 0x8445, 0x212E, 0xAA99, 0xBDF7, 0x3640,
+	0x7C96, 0xF721, 0xE04F, 0x6BF8, 0xCE93, 0x4524, 0x524A, 0xD9FD,
+	0xC7E6, 0x4C51, 0x5B3F, 0xD088, 0x75E3, 0xFE54, 0xE93A, 0x628D,
+	0x285B, 0xA3EC, 0xB482, 0x3F35, 0x9A5E, 0x11E9, 0x0687, 0x8D30,
+	0xE232, 0x6985, 0x7EEB, 0xF55C, 0x5037, 0xDB80, 0xCCEE, 0x4759,
+	0x0D8F, 0x8638, 0x9156, 0x1AE1, 0xBF8A, 0x343D, 0x2353, 0xA8E4,
+	0xB6FF, 0x3D48, 0x2A26, 0xA191, 0x04FA, 0x8F4D, 0x9823, 0x1394,
+	0x5942, 0xD2F5, 0xC59B, 0x4E2C, 0xEB47, 0x60F0, 0x779E, 0xFC29,
+	0x4BA8, 0xC01F, 0xD771, 0x5CC6, 0xF9AD, 0x721A, 0x6574, 0xEEC3,
+	0xA415, 0x2FA2, 0x38CC, 0xB37B, 0x1610, 0x9DA7, 0x8AC9, 0x017E,
+	0x1F65, 0x94D2, 0x83BC, 0x080B, 0xAD60, 0x26D7, 0x31B9, 0xBA0E,
+	0xF0D8, 0x7B6F, 0x6C01, 0xE7B6, 0x42DD, 0xC96A, 0xDE04, 0x55B3
 };
 
-__u16 crc_t10dif_update(__u16 crc, const unsigned char *buffer, size_t len)
-{
-	struct {
-		struct shash_desc shash;
-		__u16 crc;
-	} desc;
-	int err;
-
-	if (static_branch_unlikely(&crct10dif_fallback))
-		return crc_t10dif_generic(crc, buffer, len);
-
-	rcu_read_lock();
-	desc.shash.tfm = rcu_dereference(crct10dif_tfm);
-	desc.crc = crc;
-	err = crypto_shash_update(&desc.shash, buffer, len);
-	rcu_read_unlock();
-
-	BUG_ON(err);
-
-	return desc.crc;
-}
-EXPORT_SYMBOL(crc_t10dif_update);
-
-__u16 crc_t10dif(const unsigned char *buffer, size_t len)
-{
-	return crc_t10dif_update(0, buffer, len);
-}
-EXPORT_SYMBOL(crc_t10dif);
-
-static int __init crc_t10dif_mod_init(void)
-{
-	INIT_WORK(&crct10dif_rehash_work, crc_t10dif_rehash);
-	crypto_register_notifier(&crc_t10dif_nb);
-	crc_t10dif_rehash(&crct10dif_rehash_work);
-	return 0;
-}
-
-static void __exit crc_t10dif_mod_fini(void)
-{
-	crypto_unregister_notifier(&crc_t10dif_nb);
-	cancel_work_sync(&crct10dif_rehash_work);
-	crypto_free_shash(rcu_dereference_protected(crct10dif_tfm, 1));
-}
-
-module_init(crc_t10dif_mod_init);
-module_exit(crc_t10dif_mod_fini);
-
-static int crc_t10dif_transform_show(char *buffer, const struct kernel_param *kp)
+u16 crc_t10dif_generic(u16 crc, const u8 *p, size_t len)
 {
-	struct crypto_shash *tfm;
-	int len;
+	size_t i;
 
-	if (static_branch_unlikely(&crct10dif_fallback))
-		return sprintf(buffer, "fallback\n");
+	for (i = 0; i < len; i++)
+		crc = (crc << 8) ^ t10_dif_crc_table[(crc >> 8) ^ p[i]];
 
-	rcu_read_lock();
-	tfm = rcu_dereference(crct10dif_tfm);
-	len = snprintf(buffer, PAGE_SIZE, "%s\n",
-		       crypto_shash_driver_name(tfm));
-	rcu_read_unlock();
-
-	return len;
+	return crc;
 }
+EXPORT_SYMBOL(crc_t10dif_generic);
 
-module_param_call(transform, NULL, crc_t10dif_transform_show, NULL, 0444);
-
-MODULE_DESCRIPTION("T10 DIF CRC calculation (library API)");
+MODULE_DESCRIPTION("T10 DIF CRC calculation");
 MODULE_LICENSE("GPL");
-MODULE_SOFTDEP("pre: crct10dif");
diff --git a/lib/crc16_kunit.c b/lib/crc16_kunit.c
deleted file mode 100644
index 0918c98a96d26..0000000000000
--- a/lib/crc16_kunit.c
+++ /dev/null
@@ -1,155 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * KUnits tests for CRC16.
- *
- * Copyright (C) 2024, LKCAMP
- * Author: Vinicius Peixoto <vpeixoto@lkcamp.dev>
- * Author: Fabricio Gasperin <fgasperin@lkcamp.dev>
- * Author: Enzo Bertoloti <ebertoloti@lkcamp.dev>
- */
-#include <kunit/test.h>
-#include <linux/crc16.h>
-#include <linux/prandom.h>
-
-#define CRC16_KUNIT_DATA_SIZE 4096
-#define CRC16_KUNIT_TEST_SIZE 100
-#define CRC16_KUNIT_SEED 0x12345678
-
-/**
- * struct crc16_test - CRC16 test data
- * @crc: initial input value to CRC16
- * @start: Start index within the data buffer
- * @length: Length of the data
- */
-static struct crc16_test {
-	u16 crc;
-	u16 start;
-	u16 length;
-} tests[CRC16_KUNIT_TEST_SIZE];
-
-u8 data[CRC16_KUNIT_DATA_SIZE];
-
-
-/* Naive implementation of CRC16 for validation purposes */
-static inline u16 _crc16_naive_byte(u16 crc, u8 data)
-{
-	u8 i = 0;
-
-	crc ^= (u16) data;
-	for (i = 0; i < 8; i++) {
-		if (crc & 0x01)
-			crc = (crc >> 1) ^ 0xa001;
-		else
-			crc = crc >> 1;
-	}
-
-	return crc;
-}
-
-
-static inline u16 _crc16_naive(u16 crc, u8 *buffer, size_t len)
-{
-	while (len--)
-		crc = _crc16_naive_byte(crc, *buffer++);
-	return crc;
-}
-
-
-/* Small helper for generating pseudorandom 16-bit data */
-static inline u16 _rand16(void)
-{
-	static u32 rand = CRC16_KUNIT_SEED;
-
-	rand = next_pseudo_random32(rand);
-	return rand & 0xFFFF;
-}
-
-
-static int crc16_init_test_data(struct kunit_suite *suite)
-{
-	size_t i;
-
-	/* Fill the data buffer with random bytes */
-	for (i = 0; i < CRC16_KUNIT_DATA_SIZE; i++)
-		data[i] = _rand16() & 0xFF;
-
-	/* Generate random test data while ensuring the random
-	 * start + length values won't overflow the 4096-byte
-	 * buffer (0x7FF * 2 = 0xFFE < 0x1000)
-	 */
-	for (size_t i = 0; i < CRC16_KUNIT_TEST_SIZE; i++) {
-		tests[i].crc = _rand16();
-		tests[i].start = _rand16() & 0x7FF;
-		tests[i].length = _rand16() & 0x7FF;
-	}
-
-	return 0;
-}
-
-static void crc16_test_empty(struct kunit *test)
-{
-	u16 crc;
-
-	/* The result for empty data should be the same as the
-	 * initial crc
-	 */
-	crc = crc16(0x00, data, 0);
-	KUNIT_EXPECT_EQ(test, crc, 0);
-	crc = crc16(0xFF, data, 0);
-	KUNIT_EXPECT_EQ(test, crc, 0xFF);
-}
-
-static void crc16_test_correctness(struct kunit *test)
-{
-	size_t i;
-	u16 crc, crc_naive;
-
-	for (i = 0; i < CRC16_KUNIT_TEST_SIZE; i++) {
-		/* Compare results with the naive crc16 implementation */
-		crc = crc16(tests[i].crc, data + tests[i].start,
-			    tests[i].length);
-		crc_naive = _crc16_naive(tests[i].crc, data + tests[i].start,
-					 tests[i].length);
-		KUNIT_EXPECT_EQ(test, crc, crc_naive);
-	}
-}
-
-
-static void crc16_test_combine(struct kunit *test)
-{
-	size_t i, j;
-	u16 crc, crc_naive;
-
-	/* Make sure that combining two consecutive crc16 calculations
-	 * yields the same result as calculating the crc16 for the whole thing
-	 */
-	for (i = 0; i < CRC16_KUNIT_TEST_SIZE; i++) {
-		crc_naive = crc16(tests[i].crc, data + tests[i].start, tests[i].length);
-		for (j = 0; j < tests[i].length; j++) {
-			crc = crc16(tests[i].crc, data + tests[i].start, j);
-			crc = crc16(crc, data + tests[i].start + j, tests[i].length - j);
-			KUNIT_EXPECT_EQ(test, crc, crc_naive);
-		}
-	}
-}
-
-
-static struct kunit_case crc16_test_cases[] = {
-	KUNIT_CASE(crc16_test_empty),
-	KUNIT_CASE(crc16_test_combine),
-	KUNIT_CASE(crc16_test_correctness),
-	{},
-};
-
-static struct kunit_suite crc16_test_suite = {
-	.name = "crc16",
-	.test_cases = crc16_test_cases,
-	.suite_init = crc16_init_test_data,
-};
-kunit_test_suite(crc16_test_suite);
-
-MODULE_AUTHOR("Fabricio Gasperin <fgasperin@lkcamp.dev>");
-MODULE_AUTHOR("Vinicius Peixoto <vpeixoto@lkcamp.dev>");
-MODULE_AUTHOR("Enzo Bertoloti <ebertoloti@lkcamp.dev>");
-MODULE_DESCRIPTION("Unit tests for crc16");
-MODULE_LICENSE("GPL");
diff --git a/lib/crc32.c b/lib/crc32.c
index ff587fee3893d..47151624332ef 100644
--- a/lib/crc32.c
+++ b/lib/crc32.c
@@ -183,34 +183,26 @@ static inline u32 __pure crc32_le_generic(u32 crc, unsigned char const *p,
 }
 
 #if CRC_LE_BITS == 1
-u32 __pure __weak crc32_le(u32 crc, unsigned char const *p, size_t len)
+u32 __pure crc32_le_base(u32 crc, const u8 *p, size_t len)
 {
 	return crc32_le_generic(crc, p, len, NULL, CRC32_POLY_LE);
 }
-u32 __pure __weak __crc32c_le(u32 crc, unsigned char const *p, size_t len)
+u32 __pure crc32c_le_base(u32 crc, const u8 *p, size_t len)
 {
 	return crc32_le_generic(crc, p, len, NULL, CRC32C_POLY_LE);
 }
 #else
-u32 __pure __weak crc32_le(u32 crc, unsigned char const *p, size_t len)
+u32 __pure crc32_le_base(u32 crc, const u8 *p, size_t len)
 {
 	return crc32_le_generic(crc, p, len, crc32table_le, CRC32_POLY_LE);
 }
-u32 __pure __weak __crc32c_le(u32 crc, unsigned char const *p, size_t len)
+u32 __pure crc32c_le_base(u32 crc, const u8 *p, size_t len)
 {
 	return crc32_le_generic(crc, p, len, crc32ctable_le, CRC32C_POLY_LE);
 }
 #endif
-EXPORT_SYMBOL(crc32_le);
-EXPORT_SYMBOL(__crc32c_le);
-
-u32 __pure crc32_le_base(u32, unsigned char const *, size_t) __alias(crc32_le);
 EXPORT_SYMBOL(crc32_le_base);
-
-u32 __pure __crc32c_le_base(u32, unsigned char const *, size_t) __alias(__crc32c_le);
-EXPORT_SYMBOL(__crc32c_le_base);
-
-u32 __pure crc32_be_base(u32, unsigned char const *, size_t) __alias(crc32_be);
+EXPORT_SYMBOL(crc32c_le_base);
 
 /*
  * This multiplies the polynomials x and y modulo the given modulus.
@@ -335,14 +327,14 @@ static inline u32 __pure crc32_be_generic(u32 crc, unsigned char const *p,
 }
 
 #if CRC_BE_BITS == 1
-u32 __pure __weak crc32_be(u32 crc, unsigned char const *p, size_t len)
+u32 __pure crc32_be_base(u32 crc, const u8 *p, size_t len)
 {
 	return crc32_be_generic(crc, p, len, NULL, CRC32_POLY_BE);
 }
 #else
-u32 __pure __weak crc32_be(u32 crc, unsigned char const *p, size_t len)
+u32 __pure crc32_be_base(u32 crc, const u8 *p, size_t len)
 {
 	return crc32_be_generic(crc, p, len, crc32table_be, CRC32_POLY_BE);
 }
 #endif
-EXPORT_SYMBOL(crc32_be);
+EXPORT_SYMBOL(crc32_be_base);
diff --git a/lib/crc32test.c b/lib/crc32test.c
deleted file mode 100644
index 9b4af79412c4a..0000000000000
--- a/lib/crc32test.c
+++ /dev/null
@@ -1,852 +0,0 @@
-/*
- * Aug 8, 2011 Bob Pearson with help from Joakim Tjernlund and George Spelvin
- * cleaned up code to current version of sparse and added the slicing-by-8
- * algorithm to the closely similar existing slicing-by-4 algorithm.
- *
- * Oct 15, 2000 Matt Domsch <Matt_Domsch@dell.com>
- * Nicer crc32 functions/docs submitted by linux@horizon.com.  Thanks!
- * Code was from the public domain, copyright abandoned.  Code was
- * subsequently included in the kernel, thus was re-licensed under the
- * GNU GPL v2.
- *
- * Oct 12, 2000 Matt Domsch <Matt_Domsch@dell.com>
- * Same crc32 function was used in 5 other places in the kernel.
- * I made one version, and deleted the others.
- * There are various incantations of crc32().  Some use a seed of 0 or ~0.
- * Some xor at the end with ~0.  The generic crc32() function takes
- * seed as an argument, and doesn't xor at the end.  Then individual
- * users can do whatever they need.
- *   drivers/net/smc9194.c uses seed ~0, doesn't xor with ~0.
- *   fs/jffs2 uses seed 0, doesn't xor with ~0.
- *   fs/partitions/efi.c uses seed ~0, xor's with ~0.
- *
- * This source code is licensed under the GNU General Public License,
- * Version 2.  See the file COPYING for more details.
- */
-
-#include <linux/crc32.h>
-#include <linux/module.h>
-#include <linux/sched.h>
-
-#include "crc32defs.h"
-
-/* 4096 random bytes */
-static u8 const __aligned(8) test_buf[] __initconst =
-{
-	0x5b, 0x85, 0x21, 0xcb, 0x09, 0x68, 0x7d, 0x30,
-	0xc7, 0x69, 0xd7, 0x30, 0x92, 0xde, 0x59, 0xe4,
-	0xc9, 0x6e, 0x8b, 0xdb, 0x98, 0x6b, 0xaa, 0x60,
-	0xa8, 0xb5, 0xbc, 0x6c, 0xa9, 0xb1, 0x5b, 0x2c,
-	0xea, 0xb4, 0x92, 0x6a, 0x3f, 0x79, 0x91, 0xe4,
-	0xe9, 0x70, 0x51, 0x8c, 0x7f, 0x95, 0x6f, 0x1a,
-	0x56, 0xa1, 0x5c, 0x27, 0x03, 0x67, 0x9f, 0x3a,
-	0xe2, 0x31, 0x11, 0x29, 0x6b, 0x98, 0xfc, 0xc4,
-	0x53, 0x24, 0xc5, 0x8b, 0xce, 0x47, 0xb2, 0xb9,
-	0x32, 0xcb, 0xc1, 0xd0, 0x03, 0x57, 0x4e, 0xd4,
-	0xe9, 0x3c, 0xa1, 0x63, 0xcf, 0x12, 0x0e, 0xca,
-	0xe1, 0x13, 0xd1, 0x93, 0xa6, 0x88, 0x5c, 0x61,
-	0x5b, 0xbb, 0xf0, 0x19, 0x46, 0xb4, 0xcf, 0x9e,
-	0xb6, 0x6b, 0x4c, 0x3a, 0xcf, 0x60, 0xf9, 0x7a,
-	0x8d, 0x07, 0x63, 0xdb, 0x40, 0xe9, 0x0b, 0x6f,
-	0xad, 0x97, 0xf1, 0xed, 0xd0, 0x1e, 0x26, 0xfd,
-	0xbf, 0xb7, 0xc8, 0x04, 0x94, 0xf8, 0x8b, 0x8c,
-	0xf1, 0xab, 0x7a, 0xd4, 0xdd, 0xf3, 0xe8, 0x88,
-	0xc3, 0xed, 0x17, 0x8a, 0x9b, 0x40, 0x0d, 0x53,
-	0x62, 0x12, 0x03, 0x5f, 0x1b, 0x35, 0x32, 0x1f,
-	0xb4, 0x7b, 0x93, 0x78, 0x0d, 0xdb, 0xce, 0xa4,
-	0xc0, 0x47, 0xd5, 0xbf, 0x68, 0xe8, 0x5d, 0x74,
-	0x8f, 0x8e, 0x75, 0x1c, 0xb2, 0x4f, 0x9a, 0x60,
-	0xd1, 0xbe, 0x10, 0xf4, 0x5c, 0xa1, 0x53, 0x09,
-	0xa5, 0xe0, 0x09, 0x54, 0x85, 0x5c, 0xdc, 0x07,
-	0xe7, 0x21, 0x69, 0x7b, 0x8a, 0xfd, 0x90, 0xf1,
-	0x22, 0xd0, 0xb4, 0x36, 0x28, 0xe6, 0xb8, 0x0f,
-	0x39, 0xde, 0xc8, 0xf3, 0x86, 0x60, 0x34, 0xd2,
-	0x5e, 0xdf, 0xfd, 0xcf, 0x0f, 0xa9, 0x65, 0xf0,
-	0xd5, 0x4d, 0x96, 0x40, 0xe3, 0xdf, 0x3f, 0x95,
-	0x5a, 0x39, 0x19, 0x93, 0xf4, 0x75, 0xce, 0x22,
-	0x00, 0x1c, 0x93, 0xe2, 0x03, 0x66, 0xf4, 0x93,
-	0x73, 0x86, 0x81, 0x8e, 0x29, 0x44, 0x48, 0x86,
-	0x61, 0x7c, 0x48, 0xa3, 0x43, 0xd2, 0x9c, 0x8d,
-	0xd4, 0x95, 0xdd, 0xe1, 0x22, 0x89, 0x3a, 0x40,
-	0x4c, 0x1b, 0x8a, 0x04, 0xa8, 0x09, 0x69, 0x8b,
-	0xea, 0xc6, 0x55, 0x8e, 0x57, 0xe6, 0x64, 0x35,
-	0xf0, 0xc7, 0x16, 0x9f, 0x5d, 0x5e, 0x86, 0x40,
-	0x46, 0xbb, 0xe5, 0x45, 0x88, 0xfe, 0xc9, 0x63,
-	0x15, 0xfb, 0xf5, 0xbd, 0x71, 0x61, 0xeb, 0x7b,
-	0x78, 0x70, 0x07, 0x31, 0x03, 0x9f, 0xb2, 0xc8,
-	0xa7, 0xab, 0x47, 0xfd, 0xdf, 0xa0, 0x78, 0x72,
-	0xa4, 0x2a, 0xe4, 0xb6, 0xba, 0xc0, 0x1e, 0x86,
-	0x71, 0xe6, 0x3d, 0x18, 0x37, 0x70, 0xe6, 0xff,
-	0xe0, 0xbc, 0x0b, 0x22, 0xa0, 0x1f, 0xd3, 0xed,
-	0xa2, 0x55, 0x39, 0xab, 0xa8, 0x13, 0x73, 0x7c,
-	0x3f, 0xb2, 0xd6, 0x19, 0xac, 0xff, 0x99, 0xed,
-	0xe8, 0xe6, 0xa6, 0x22, 0xe3, 0x9c, 0xf1, 0x30,
-	0xdc, 0x01, 0x0a, 0x56, 0xfa, 0xe4, 0xc9, 0x99,
-	0xdd, 0xa8, 0xd8, 0xda, 0x35, 0x51, 0x73, 0xb4,
-	0x40, 0x86, 0x85, 0xdb, 0x5c, 0xd5, 0x85, 0x80,
-	0x14, 0x9c, 0xfd, 0x98, 0xa9, 0x82, 0xc5, 0x37,
-	0xff, 0x32, 0x5d, 0xd0, 0x0b, 0xfa, 0xdc, 0x04,
-	0x5e, 0x09, 0xd2, 0xca, 0x17, 0x4b, 0x1a, 0x8e,
-	0x15, 0xe1, 0xcc, 0x4e, 0x52, 0x88, 0x35, 0xbd,
-	0x48, 0xfe, 0x15, 0xa0, 0x91, 0xfd, 0x7e, 0x6c,
-	0x0e, 0x5d, 0x79, 0x1b, 0x81, 0x79, 0xd2, 0x09,
-	0x34, 0x70, 0x3d, 0x81, 0xec, 0xf6, 0x24, 0xbb,
-	0xfb, 0xf1, 0x7b, 0xdf, 0x54, 0xea, 0x80, 0x9b,
-	0xc7, 0x99, 0x9e, 0xbd, 0x16, 0x78, 0x12, 0x53,
-	0x5e, 0x01, 0xa7, 0x4e, 0xbd, 0x67, 0xe1, 0x9b,
-	0x4c, 0x0e, 0x61, 0x45, 0x97, 0xd2, 0xf0, 0x0f,
-	0xfe, 0x15, 0x08, 0xb7, 0x11, 0x4c, 0xe7, 0xff,
-	0x81, 0x53, 0xff, 0x91, 0x25, 0x38, 0x7e, 0x40,
-	0x94, 0xe5, 0xe0, 0xad, 0xe6, 0xd9, 0x79, 0xb6,
-	0x92, 0xc9, 0xfc, 0xde, 0xc3, 0x1a, 0x23, 0xbb,
-	0xdd, 0xc8, 0x51, 0x0c, 0x3a, 0x72, 0xfa, 0x73,
-	0x6f, 0xb7, 0xee, 0x61, 0x39, 0x03, 0x01, 0x3f,
-	0x7f, 0x94, 0x2e, 0x2e, 0xba, 0x3a, 0xbb, 0xb4,
-	0xfa, 0x6a, 0x17, 0xfe, 0xea, 0xef, 0x5e, 0x66,
-	0x97, 0x3f, 0x32, 0x3d, 0xd7, 0x3e, 0xb1, 0xf1,
-	0x6c, 0x14, 0x4c, 0xfd, 0x37, 0xd3, 0x38, 0x80,
-	0xfb, 0xde, 0xa6, 0x24, 0x1e, 0xc8, 0xca, 0x7f,
-	0x3a, 0x93, 0xd8, 0x8b, 0x18, 0x13, 0xb2, 0xe5,
-	0xe4, 0x93, 0x05, 0x53, 0x4f, 0x84, 0x66, 0xa7,
-	0x58, 0x5c, 0x7b, 0x86, 0x52, 0x6d, 0x0d, 0xce,
-	0xa4, 0x30, 0x7d, 0xb6, 0x18, 0x9f, 0xeb, 0xff,
-	0x22, 0xbb, 0x72, 0x29, 0xb9, 0x44, 0x0b, 0x48,
-	0x1e, 0x84, 0x71, 0x81, 0xe3, 0x6d, 0x73, 0x26,
-	0x92, 0xb4, 0x4d, 0x2a, 0x29, 0xb8, 0x1f, 0x72,
-	0xed, 0xd0, 0xe1, 0x64, 0x77, 0xea, 0x8e, 0x88,
-	0x0f, 0xef, 0x3f, 0xb1, 0x3b, 0xad, 0xf9, 0xc9,
-	0x8b, 0xd0, 0xac, 0xc6, 0xcc, 0xa9, 0x40, 0xcc,
-	0x76, 0xf6, 0x3b, 0x53, 0xb5, 0x88, 0xcb, 0xc8,
-	0x37, 0xf1, 0xa2, 0xba, 0x23, 0x15, 0x99, 0x09,
-	0xcc, 0xe7, 0x7a, 0x3b, 0x37, 0xf7, 0x58, 0xc8,
-	0x46, 0x8c, 0x2b, 0x2f, 0x4e, 0x0e, 0xa6, 0x5c,
-	0xea, 0x85, 0x55, 0xba, 0x02, 0x0e, 0x0e, 0x48,
-	0xbc, 0xe1, 0xb1, 0x01, 0x35, 0x79, 0x13, 0x3d,
-	0x1b, 0xc0, 0x53, 0x68, 0x11, 0xe7, 0x95, 0x0f,
-	0x9d, 0x3f, 0x4c, 0x47, 0x7b, 0x4d, 0x1c, 0xae,
-	0x50, 0x9b, 0xcb, 0xdd, 0x05, 0x8d, 0x9a, 0x97,
-	0xfd, 0x8c, 0xef, 0x0c, 0x1d, 0x67, 0x73, 0xa8,
-	0x28, 0x36, 0xd5, 0xb6, 0x92, 0x33, 0x40, 0x75,
-	0x0b, 0x51, 0xc3, 0x64, 0xba, 0x1d, 0xc2, 0xcc,
-	0xee, 0x7d, 0x54, 0x0f, 0x27, 0x69, 0xa7, 0x27,
-	0x63, 0x30, 0x29, 0xd9, 0xc8, 0x84, 0xd8, 0xdf,
-	0x9f, 0x68, 0x8d, 0x04, 0xca, 0xa6, 0xc5, 0xc7,
-	0x7a, 0x5c, 0xc8, 0xd1, 0xcb, 0x4a, 0xec, 0xd0,
-	0xd8, 0x20, 0x69, 0xc5, 0x17, 0xcd, 0x78, 0xc8,
-	0x75, 0x23, 0x30, 0x69, 0xc9, 0xd4, 0xea, 0x5c,
-	0x4f, 0x6b, 0x86, 0x3f, 0x8b, 0xfe, 0xee, 0x44,
-	0xc9, 0x7c, 0xb7, 0xdd, 0x3e, 0xe5, 0xec, 0x54,
-	0x03, 0x3e, 0xaa, 0x82, 0xc6, 0xdf, 0xb2, 0x38,
-	0x0e, 0x5d, 0xb3, 0x88, 0xd9, 0xd3, 0x69, 0x5f,
-	0x8f, 0x70, 0x8a, 0x7e, 0x11, 0xd9, 0x1e, 0x7b,
-	0x38, 0xf1, 0x42, 0x1a, 0xc0, 0x35, 0xf5, 0xc7,
-	0x36, 0x85, 0xf5, 0xf7, 0xb8, 0x7e, 0xc7, 0xef,
-	0x18, 0xf1, 0x63, 0xd6, 0x7a, 0xc6, 0xc9, 0x0e,
-	0x4d, 0x69, 0x4f, 0x84, 0xef, 0x26, 0x41, 0x0c,
-	0xec, 0xc7, 0xe0, 0x7e, 0x3c, 0x67, 0x01, 0x4c,
-	0x62, 0x1a, 0x20, 0x6f, 0xee, 0x47, 0x4d, 0xc0,
-	0x99, 0x13, 0x8d, 0x91, 0x4a, 0x26, 0xd4, 0x37,
-	0x28, 0x90, 0x58, 0x75, 0x66, 0x2b, 0x0a, 0xdf,
-	0xda, 0xee, 0x92, 0x25, 0x90, 0x62, 0x39, 0x9e,
-	0x44, 0x98, 0xad, 0xc1, 0x88, 0xed, 0xe4, 0xb4,
-	0xaf, 0xf5, 0x8c, 0x9b, 0x48, 0x4d, 0x56, 0x60,
-	0x97, 0x0f, 0x61, 0x59, 0x9e, 0xa6, 0x27, 0xfe,
-	0xc1, 0x91, 0x15, 0x38, 0xb8, 0x0f, 0xae, 0x61,
-	0x7d, 0x26, 0x13, 0x5a, 0x73, 0xff, 0x1c, 0xa3,
-	0x61, 0x04, 0x58, 0x48, 0x55, 0x44, 0x11, 0xfe,
-	0x15, 0xca, 0xc3, 0xbd, 0xca, 0xc5, 0xb4, 0x40,
-	0x5d, 0x1b, 0x7f, 0x39, 0xb5, 0x9c, 0x35, 0xec,
-	0x61, 0x15, 0x32, 0x32, 0xb8, 0x4e, 0x40, 0x9f,
-	0x17, 0x1f, 0x0a, 0x4d, 0xa9, 0x91, 0xef, 0xb7,
-	0xb0, 0xeb, 0xc2, 0x83, 0x9a, 0x6c, 0xd2, 0x79,
-	0x43, 0x78, 0x5e, 0x2f, 0xe5, 0xdd, 0x1a, 0x3c,
-	0x45, 0xab, 0x29, 0x40, 0x3a, 0x37, 0x5b, 0x6f,
-	0xd7, 0xfc, 0x48, 0x64, 0x3c, 0x49, 0xfb, 0x21,
-	0xbe, 0xc3, 0xff, 0x07, 0xfb, 0x17, 0xe9, 0xc9,
-	0x0c, 0x4c, 0x5c, 0x15, 0x9e, 0x8e, 0x22, 0x30,
-	0x0a, 0xde, 0x48, 0x7f, 0xdb, 0x0d, 0xd1, 0x2b,
-	0x87, 0x38, 0x9e, 0xcc, 0x5a, 0x01, 0x16, 0xee,
-	0x75, 0x49, 0x0d, 0x30, 0x01, 0x34, 0x6a, 0xb6,
-	0x9a, 0x5a, 0x2a, 0xec, 0xbb, 0x48, 0xac, 0xd3,
-	0x77, 0x83, 0xd8, 0x08, 0x86, 0x4f, 0x48, 0x09,
-	0x29, 0x41, 0x79, 0xa1, 0x03, 0x12, 0xc4, 0xcd,
-	0x90, 0x55, 0x47, 0x66, 0x74, 0x9a, 0xcc, 0x4f,
-	0x35, 0x8c, 0xd6, 0x98, 0xef, 0xeb, 0x45, 0xb9,
-	0x9a, 0x26, 0x2f, 0x39, 0xa5, 0x70, 0x6d, 0xfc,
-	0xb4, 0x51, 0xee, 0xf4, 0x9c, 0xe7, 0x38, 0x59,
-	0xad, 0xf4, 0xbc, 0x46, 0xff, 0x46, 0x8e, 0x60,
-	0x9c, 0xa3, 0x60, 0x1d, 0xf8, 0x26, 0x72, 0xf5,
-	0x72, 0x9d, 0x68, 0x80, 0x04, 0xf6, 0x0b, 0xa1,
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-	0xab, 0x3f, 0xef, 0xcb, 0x6f, 0xb0, 0xcc, 0x81,
-	0x44, 0x4c, 0xaf, 0xe9, 0x49, 0x4f, 0xdb, 0xa0,
-	0x25, 0xa4, 0xf0, 0x89, 0xf1, 0xbe, 0xd8, 0x10,
-	0xff, 0xb1, 0x3b, 0x4b, 0xfa, 0x98, 0xf5, 0x79,
-	0x6d, 0x1e, 0x69, 0x4d, 0x57, 0xb1, 0xc8, 0x19,
-	0x1b, 0xbd, 0x1e, 0x8c, 0x84, 0xb7, 0x7b, 0xe8,
-	0xd2, 0x2d, 0x09, 0x41, 0x41, 0x37, 0x3d, 0xb1,
-	0x6f, 0x26, 0x5d, 0x71, 0x16, 0x3d, 0xb7, 0x83,
-	0x27, 0x2c, 0xa7, 0xb6, 0x50, 0xbd, 0x91, 0x86,
-	0xab, 0x24, 0xa1, 0x38, 0xfd, 0xea, 0x71, 0x55,
-	0x7e, 0x9a, 0x07, 0x77, 0x4b, 0xfa, 0x61, 0x66,
-	0x20, 0x1e, 0x28, 0x95, 0x18, 0x1b, 0xa4, 0xa0,
-	0xfd, 0xc0, 0x89, 0x72, 0x43, 0xd9, 0x3b, 0x49,
-	0x5a, 0x3f, 0x9d, 0xbf, 0xdb, 0xb4, 0x46, 0xea,
-	0x42, 0x01, 0x77, 0x23, 0x68, 0x95, 0xb6, 0x24,
-	0xb3, 0xa8, 0x6c, 0x28, 0x3b, 0x11, 0x40, 0x7e,
-	0x18, 0x65, 0x6d, 0xd8, 0x24, 0x42, 0x7d, 0x88,
-	0xc0, 0x52, 0xd9, 0x05, 0xe4, 0x95, 0x90, 0x87,
-	0x8c, 0xf4, 0xd0, 0x6b, 0xb9, 0x83, 0x99, 0x34,
-	0x6d, 0xfe, 0x54, 0x40, 0x94, 0x52, 0x21, 0x4f,
-	0x14, 0x25, 0xc5, 0xd6, 0x5e, 0x95, 0xdc, 0x0a,
-	0x2b, 0x89, 0x20, 0x11, 0x84, 0x48, 0xd6, 0x3a,
-	0xcd, 0x5c, 0x24, 0xad, 0x62, 0xe3, 0xb1, 0x93,
-	0x25, 0x8d, 0xcd, 0x7e, 0xfc, 0x27, 0xa3, 0x37,
-	0xfd, 0x84, 0xfc, 0x1b, 0xb2, 0xf1, 0x27, 0x38,
-	0x5a, 0xb7, 0xfc, 0xf2, 0xfa, 0x95, 0x66, 0xd4,
-	0xfb, 0xba, 0xa7, 0xd7, 0xa3, 0x72, 0x69, 0x48,
-	0x48, 0x8c, 0xeb, 0x28, 0x89, 0xfe, 0x33, 0x65,
-	0x5a, 0x36, 0x01, 0x7e, 0x06, 0x79, 0x0a, 0x09,
-	0x3b, 0x74, 0x11, 0x9a, 0x6e, 0xbf, 0xd4, 0x9e,
-	0x58, 0x90, 0x49, 0x4f, 0x4d, 0x08, 0xd4, 0xe5,
-	0x4a, 0x09, 0x21, 0xef, 0x8b, 0xb8, 0x74, 0x3b,
-	0x91, 0xdd, 0x36, 0x85, 0x60, 0x2d, 0xfa, 0xd4,
-	0x45, 0x7b, 0x45, 0x53, 0xf5, 0x47, 0x87, 0x7e,
-	0xa6, 0x37, 0xc8, 0x78, 0x7a, 0x68, 0x9d, 0x8d,
-	0x65, 0x2c, 0x0e, 0x91, 0x5c, 0xa2, 0x60, 0xf0,
-	0x8e, 0x3f, 0xe9, 0x1a, 0xcd, 0xaa, 0xe7, 0xd5,
-	0x77, 0x18, 0xaf, 0xc9, 0xbc, 0x18, 0xea, 0x48,
-	0x1b, 0xfb, 0x22, 0x48, 0x70, 0x16, 0x29, 0x9e,
-	0x5b, 0xc1, 0x2c, 0x66, 0x23, 0xbc, 0xf0, 0x1f,
-	0xef, 0xaf, 0xe4, 0xd6, 0x04, 0x19, 0x82, 0x7a,
-	0x0b, 0xba, 0x4b, 0x46, 0xb1, 0x6a, 0x85, 0x5d,
-	0xb4, 0x73, 0xd6, 0x21, 0xa1, 0x71, 0x60, 0x14,
-	0xee, 0x0a, 0x77, 0xc4, 0x66, 0x2e, 0xf9, 0x69,
-	0x30, 0xaf, 0x41, 0x0b, 0xc8, 0x83, 0x3c, 0x53,
-	0x99, 0x19, 0x27, 0x46, 0xf7, 0x41, 0x6e, 0x56,
-	0xdc, 0x94, 0x28, 0x67, 0x4e, 0xb7, 0x25, 0x48,
-	0x8a, 0xc2, 0xe0, 0x60, 0x96, 0xcc, 0x18, 0xf4,
-	0x84, 0xdd, 0xa7, 0x5e, 0x3e, 0x05, 0x0b, 0x26,
-	0x26, 0xb2, 0x5c, 0x1f, 0x57, 0x1a, 0x04, 0x7e,
-	0x6a, 0xe3, 0x2f, 0xb4, 0x35, 0xb6, 0x38, 0x40,
-	0x40, 0xcd, 0x6f, 0x87, 0x2e, 0xef, 0xa3, 0xd7,
-	0xa9, 0xc2, 0xe8, 0x0d, 0x27, 0xdf, 0x44, 0x62,
-	0x99, 0xa0, 0xfc, 0xcf, 0x81, 0x78, 0xcb, 0xfe,
-	0xe5, 0xa0, 0x03, 0x4e, 0x6c, 0xd7, 0xf4, 0xaf,
-	0x7a, 0xbb, 0x61, 0x82, 0xfe, 0x71, 0x89, 0xb2,
-	0x22, 0x7c, 0x8e, 0x83, 0x04, 0xce, 0xf6, 0x5d,
-	0x84, 0x8f, 0x95, 0x6a, 0x7f, 0xad, 0xfd, 0x32,
-	0x9c, 0x5e, 0xe4, 0x9c, 0x89, 0x60, 0x54, 0xaa,
-	0x96, 0x72, 0xd2, 0xd7, 0x36, 0x85, 0xa9, 0x45,
-	0xd2, 0x2a, 0xa1, 0x81, 0x49, 0x6f, 0x7e, 0x04,
-	0xfa, 0xe2, 0xfe, 0x90, 0x26, 0x77, 0x5a, 0x33,
-	0xb8, 0x04, 0x9a, 0x7a, 0xe6, 0x4c, 0x4f, 0xad,
-	0x72, 0x96, 0x08, 0x28, 0x58, 0x13, 0xf8, 0xc4,
-	0x1c, 0xf0, 0xc3, 0x45, 0x95, 0x49, 0x20, 0x8c,
-	0x9f, 0x39, 0x70, 0xe1, 0x77, 0xfe, 0xd5, 0x4b,
-	0xaf, 0x86, 0xda, 0xef, 0x22, 0x06, 0x83, 0x36,
-	0x29, 0x12, 0x11, 0x40, 0xbc, 0x3b, 0x86, 0xaa,
-	0xaa, 0x65, 0x60, 0xc3, 0x80, 0xca, 0xed, 0xa9,
-	0xf3, 0xb0, 0x79, 0x96, 0xa2, 0x55, 0x27, 0x28,
-	0x55, 0x73, 0x26, 0xa5, 0x50, 0xea, 0x92, 0x4b,
-	0x3c, 0x5c, 0x82, 0x33, 0xf0, 0x01, 0x3f, 0x03,
-	0xc1, 0x08, 0x05, 0xbf, 0x98, 0xf4, 0x9b, 0x6d,
-	0xa5, 0xa8, 0xb4, 0x82, 0x0c, 0x06, 0xfa, 0xff,
-	0x2d, 0x08, 0xf3, 0x05, 0x4f, 0x57, 0x2a, 0x39,
-	0xd4, 0x83, 0x0d, 0x75, 0x51, 0xd8, 0x5b, 0x1b,
-	0xd3, 0x51, 0x5a, 0x32, 0x2a, 0x9b, 0x32, 0xb2,
-	0xf2, 0xa4, 0x96, 0x12, 0xf2, 0xae, 0x40, 0x34,
-	0x67, 0xa8, 0xf5, 0x44, 0xd5, 0x35, 0x53, 0xfe,
-	0xa3, 0x60, 0x96, 0x63, 0x0f, 0x1f, 0x6e, 0xb0,
-	0x5a, 0x42, 0xa6, 0xfc, 0x51, 0x0b, 0x60, 0x27,
-	0xbc, 0x06, 0x71, 0xed, 0x65, 0x5b, 0x23, 0x86,
-	0x4a, 0x07, 0x3b, 0x22, 0x07, 0x46, 0xe6, 0x90,
-	0x3e, 0xf3, 0x25, 0x50, 0x1b, 0x4c, 0x7f, 0x03,
-	0x08, 0xa8, 0x36, 0x6b, 0x87, 0xe5, 0xe3, 0xdb,
-	0x9a, 0x38, 0x83, 0xff, 0x9f, 0x1a, 0x9f, 0x57,
-	0xa4, 0x2a, 0xf6, 0x37, 0xbc, 0x1a, 0xff, 0xc9,
-	0x1e, 0x35, 0x0c, 0xc3, 0x7c, 0xa3, 0xb2, 0xe5,
-	0xd2, 0xc6, 0xb4, 0x57, 0x47, 0xe4, 0x32, 0x16,
-	0x6d, 0xa9, 0xae, 0x64, 0xe6, 0x2d, 0x8d, 0xc5,
-	0x8d, 0x50, 0x8e, 0xe8, 0x1a, 0x22, 0x34, 0x2a,
-	0xd9, 0xeb, 0x51, 0x90, 0x4a, 0xb1, 0x41, 0x7d,
-	0x64, 0xf9, 0xb9, 0x0d, 0xf6, 0x23, 0x33, 0xb0,
-	0x33, 0xf4, 0xf7, 0x3f, 0x27, 0x84, 0xc6, 0x0f,
-	0x54, 0xa5, 0xc0, 0x2e, 0xec, 0x0b, 0x3a, 0x48,
-	0x6e, 0x80, 0x35, 0x81, 0x43, 0x9b, 0x90, 0xb1,
-	0xd0, 0x2b, 0xea, 0x21, 0xdc, 0xda, 0x5b, 0x09,
-	0xf4, 0xcc, 0x10, 0xb4, 0xc7, 0xfe, 0x79, 0x51,
-	0xc3, 0xc5, 0xac, 0x88, 0x74, 0x84, 0x0b, 0x4b,
-	0xca, 0x79, 0x16, 0x29, 0xfb, 0x69, 0x54, 0xdf,
-	0x41, 0x7e, 0xe9, 0xc7, 0x8e, 0xea, 0xa5, 0xfe,
-	0xfc, 0x76, 0x0e, 0x90, 0xc4, 0x92, 0x38, 0xad,
-	0x7b, 0x48, 0xe6, 0x6e, 0xf7, 0x21, 0xfd, 0x4e,
-	0x93, 0x0a, 0x7b, 0x41, 0x83, 0x68, 0xfb, 0x57,
-	0x51, 0x76, 0x34, 0xa9, 0x6c, 0x00, 0xaa, 0x4f,
-	0x66, 0x65, 0x98, 0x4a, 0x4f, 0xa3, 0xa0, 0xef,
-	0x69, 0x3f, 0xe3, 0x1c, 0x92, 0x8c, 0xfd, 0xd8,
-	0xe8, 0xde, 0x7c, 0x7f, 0x3e, 0x84, 0x8e, 0x69,
-	0x3c, 0xf1, 0xf2, 0x05, 0x46, 0xdc, 0x2f, 0x9d,
-	0x5e, 0x6e, 0x4c, 0xfb, 0xb5, 0x99, 0x2a, 0x59,
-	0x63, 0xc1, 0x34, 0xbc, 0x57, 0xc0, 0x0d, 0xb9,
-	0x61, 0x25, 0xf3, 0x33, 0x23, 0x51, 0xb6, 0x0d,
-	0x07, 0xa6, 0xab, 0x94, 0x4a, 0xb7, 0x2a, 0xea,
-	0xee, 0xac, 0xa3, 0xc3, 0x04, 0x8b, 0x0e, 0x56,
-	0xfe, 0x44, 0xa7, 0x39, 0xe2, 0xed, 0xed, 0xb4,
-	0x22, 0x2b, 0xac, 0x12, 0x32, 0x28, 0x91, 0xd8,
-	0xa5, 0xab, 0xff, 0x5f, 0xe0, 0x4b, 0xda, 0x78,
-	0x17, 0xda, 0xf1, 0x01, 0x5b, 0xcd, 0xe2, 0x5f,
-	0x50, 0x45, 0x73, 0x2b, 0xe4, 0x76, 0x77, 0xf4,
-	0x64, 0x1d, 0x43, 0xfb, 0x84, 0x7a, 0xea, 0x91,
-	0xae, 0xf9, 0x9e, 0xb7, 0xb4, 0xb0, 0x91, 0x5f,
-	0x16, 0x35, 0x9a, 0x11, 0xb8, 0xc7, 0xc1, 0x8c,
-	0xc6, 0x10, 0x8d, 0x2f, 0x63, 0x4a, 0xa7, 0x57,
-	0x3a, 0x51, 0xd6, 0x32, 0x2d, 0x64, 0x72, 0xd4,
-	0x66, 0xdc, 0x10, 0xa6, 0x67, 0xd6, 0x04, 0x23,
-	0x9d, 0x0a, 0x11, 0x77, 0xdd, 0x37, 0x94, 0x17,
-	0x3c, 0xbf, 0x8b, 0x65, 0xb0, 0x2e, 0x5e, 0x66,
-	0x47, 0x64, 0xac, 0xdd, 0xf0, 0x84, 0xfd, 0x39,
-	0xfa, 0x15, 0x5d, 0xef, 0xae, 0xca, 0xc1, 0x36,
-	0xa7, 0x5c, 0xbf, 0xc7, 0x08, 0xc2, 0x66, 0x00,
-	0x74, 0x74, 0x4e, 0x27, 0x3f, 0x55, 0x8a, 0xb7,
-	0x38, 0x66, 0x83, 0x6d, 0xcf, 0x99, 0x9e, 0x60,
-	0x8f, 0xdd, 0x2e, 0x62, 0x22, 0x0e, 0xef, 0x0c,
-	0x98, 0xa7, 0x85, 0x74, 0x3b, 0x9d, 0xec, 0x9e,
-	0xa9, 0x19, 0x72, 0xa5, 0x7f, 0x2c, 0x39, 0xb7,
-	0x7d, 0xb7, 0xf1, 0x12, 0x65, 0x27, 0x4b, 0x5a,
-	0xde, 0x17, 0xfe, 0xad, 0x44, 0xf3, 0x20, 0x4d,
-	0xfd, 0xe4, 0x1f, 0xb5, 0x81, 0xb0, 0x36, 0x37,
-	0x08, 0x6f, 0xc3, 0x0c, 0xe9, 0x85, 0x98, 0x82,
-	0xa9, 0x62, 0x0c, 0xc4, 0x97, 0xc0, 0x50, 0xc8,
-	0xa7, 0x3c, 0x50, 0x9f, 0x43, 0xb9, 0xcd, 0x5e,
-	0x4d, 0xfa, 0x1c, 0x4b, 0x0b, 0xa9, 0x98, 0x85,
-	0x38, 0x92, 0xac, 0x8d, 0xe4, 0xad, 0x9b, 0x98,
-	0xab, 0xd9, 0x38, 0xac, 0x62, 0x52, 0xa3, 0x22,
-	0x63, 0x0f, 0xbf, 0x95, 0x48, 0xdf, 0x69, 0xe7,
-	0x8b, 0x33, 0xd5, 0xb2, 0xbd, 0x05, 0x49, 0x49,
-	0x9d, 0x57, 0x73, 0x19, 0x33, 0xae, 0xfa, 0x33,
-	0xf1, 0x19, 0xa8, 0x80, 0xce, 0x04, 0x9f, 0xbc,
-	0x1d, 0x65, 0x82, 0x1b, 0xe5, 0x3a, 0x51, 0xc8,
-	0x1c, 0x21, 0xe3, 0x5d, 0xf3, 0x7d, 0x9b, 0x2f,
-	0x2c, 0x1d, 0x4a, 0x7f, 0x9b, 0x68, 0x35, 0xa3,
-	0xb2, 0x50, 0xf7, 0x62, 0x79, 0xcd, 0xf4, 0x98,
-	0x4f, 0xe5, 0x63, 0x7c, 0x3e, 0x45, 0x31, 0x8c,
-	0x16, 0xa0, 0x12, 0xc8, 0x58, 0xce, 0x39, 0xa6,
-	0xbc, 0x54, 0xdb, 0xc5, 0xe0, 0xd5, 0xba, 0xbc,
-	0xb9, 0x04, 0xf4, 0x8d, 0xe8, 0x2f, 0x15, 0x9d,
-};
-
-/* 100 test cases */
-static struct crc_test {
-	u32 crc;	/* random starting crc */
-	u32 start;	/* random 6 bit offset in buf */
-	u32 length;	/* random 11 bit length of test */
-	u32 crc_le;	/* expected crc32_le result */
-	u32 crc_be;	/* expected crc32_be result */
-	u32 crc32c_le;	/* expected crc32c_le result */
-} const test[] __initconst =
-{
-	{0x674bf11d, 0x00000038, 0x00000542, 0x0af6d466, 0xd8b6e4c1, 0xf6e93d6c},
-	{0x35c672c6, 0x0000003a, 0x000001aa, 0xc6d3dfba, 0x28aaf3ad, 0x0fe92aca},
-	{0x496da28e, 0x00000039, 0x000005af, 0xd933660f, 0x5d57e81f, 0x52e1ebb8},
-	{0x09a9b90e, 0x00000027, 0x000001f8, 0xb45fe007, 0xf45fca9a, 0x0798af9a},
-	{0xdc97e5a9, 0x00000025, 0x000003b6, 0xf81a3562, 0xe0126ba2, 0x18eb3152},
-	{0x47c58900, 0x0000000a, 0x000000b9, 0x8e58eccf, 0xf3afc793, 0xd00d08c7},
-	{0x292561e8, 0x0000000c, 0x00000403, 0xa2ba8aaf, 0x0b797aed, 0x8ba966bc},
-	{0x415037f6, 0x00000003, 0x00000676, 0xa17d52e8, 0x7f0fdf35, 0x11d694a2},
-	{0x3466e707, 0x00000026, 0x00000042, 0x258319be, 0x75c484a2, 0x6ab3208d},
-	{0xafd1281b, 0x00000023, 0x000002ee, 0x4428eaf8, 0x06c7ad10, 0xba4603c5},
-	{0xd3857b18, 0x00000028, 0x000004a2, 0x5c430821, 0xb062b7cb, 0xe6071c6f},
-	{0x1d825a8f, 0x0000002b, 0x0000050b, 0xd2c45f0c, 0xd68634e0, 0x179ec30a},
-	{0x5033e3bc, 0x0000000b, 0x00000078, 0xa3ea4113, 0xac6d31fb, 0x0903beb8},
-	{0x94f1fb5e, 0x0000000f, 0x000003a2, 0xfbfc50b1, 0x3cfe50ed, 0x6a7cb4fa},
-	{0xc9a0fe14, 0x00000009, 0x00000473, 0x5fb61894, 0x87070591, 0xdb535801},
-	{0x88a034b1, 0x0000001c, 0x000005ad, 0xc1b16053, 0x46f95c67, 0x92bed597},
-	{0xf0f72239, 0x00000020, 0x0000026d, 0xa6fa58f3, 0xf8c2c1dd, 0x192a3f1b},
-	{0xcc20a5e3, 0x0000003b, 0x0000067a, 0x7740185a, 0x308b979a, 0xccbaec1a},
-	{0xce589c95, 0x0000002b, 0x00000641, 0xd055e987, 0x40aae25b, 0x7eabae4d},
-	{0x78edc885, 0x00000035, 0x000005be, 0xa39cb14b, 0x035b0d1f, 0x28c72982},
-	{0x9d40a377, 0x0000003b, 0x00000038, 0x1f47ccd2, 0x197fbc9d, 0xc3cd4d18},
-	{0x703d0e01, 0x0000003c, 0x000006f1, 0x88735e7c, 0xfed57c5a, 0xbca8f0e7},
-	{0x776bf505, 0x0000000f, 0x000005b2, 0x5cc4fc01, 0xf32efb97, 0x713f60b3},
-	{0x4a3e7854, 0x00000027, 0x000004b8, 0x8d923c82, 0x0cbfb4a2, 0xebd08fd5},
-	{0x209172dd, 0x0000003b, 0x00000356, 0xb89e9c2b, 0xd7868138, 0x64406c59},
-	{0x3ba4cc5b, 0x0000002f, 0x00000203, 0xe51601a9, 0x5b2a1032, 0x7421890e},
-	{0xfc62f297, 0x00000000, 0x00000079, 0x71a8e1a2, 0x5d88685f, 0xe9347603},
-	{0x64280b8b, 0x00000016, 0x000007ab, 0x0fa7a30c, 0xda3a455f, 0x1bef9060},
-	{0x97dd724b, 0x00000033, 0x000007ad, 0x5788b2f4, 0xd7326d32, 0x34720072},
-	{0x61394b52, 0x00000035, 0x00000571, 0xc66525f1, 0xcabe7fef, 0x48310f59},
-	{0x29b4faff, 0x00000024, 0x0000006e, 0xca13751e, 0x993648e0, 0x783a4213},
-	{0x29bfb1dc, 0x0000000b, 0x00000244, 0x436c43f7, 0x429f7a59, 0x9e8efd41},
-	{0x86ae934b, 0x00000035, 0x00000104, 0x0760ec93, 0x9cf7d0f4, 0xfc3d34a5},
-	{0xc4c1024e, 0x0000002e, 0x000006b1, 0x6516a3ec, 0x19321f9c, 0x17a52ae2},
-	{0x3287a80a, 0x00000026, 0x00000496, 0x0b257eb1, 0x754ebd51, 0x886d935a},
-	{0xa4db423e, 0x00000023, 0x0000045d, 0x9b3a66dc, 0x873e9f11, 0xeaaeaeb2},
-	{0x7a1078df, 0x00000015, 0x0000014a, 0x8c2484c5, 0x6a628659, 0x8e900a4b},
-	{0x6048bd5b, 0x00000006, 0x0000006a, 0x897e3559, 0xac9961af, 0xd74662b1},
-	{0xd8f9ea20, 0x0000003d, 0x00000277, 0x60eb905b, 0xed2aaf99, 0xd26752ba},
-	{0xea5ec3b4, 0x0000002a, 0x000004fe, 0x869965dc, 0x6c1f833b, 0x8b1fcd62},
-	{0x2dfb005d, 0x00000016, 0x00000345, 0x6a3b117e, 0xf05e8521, 0xf54342fe},
-	{0x5a214ade, 0x00000020, 0x000005b6, 0x467f70be, 0xcb22ccd3, 0x5b95b988},
-	{0xf0ab9cca, 0x00000032, 0x00000515, 0xed223df3, 0x7f3ef01d, 0x2e1176be},
-	{0x91b444f9, 0x0000002e, 0x000007f8, 0x84e9a983, 0x5676756f, 0x66120546},
-	{0x1b5d2ddb, 0x0000002e, 0x0000012c, 0xba638c4c, 0x3f42047b, 0xf256a5cc},
-	{0xd824d1bb, 0x0000003a, 0x000007b5, 0x6288653b, 0x3a3ebea0, 0x4af1dd69},
-	{0x0470180c, 0x00000034, 0x000001f0, 0x9d5b80d6, 0x3de08195, 0x56f0a04a},
-	{0xffaa3a3f, 0x00000036, 0x00000299, 0xf3a82ab8, 0x53e0c13d, 0x74f6b6b2},
-	{0x6406cfeb, 0x00000023, 0x00000600, 0xa920b8e8, 0xe4e2acf4, 0x085951fd},
-	{0xb24aaa38, 0x0000003e, 0x000004a1, 0x657cc328, 0x5077b2c3, 0xc65387eb},
-	{0x58b2ab7c, 0x00000039, 0x000002b4, 0x3a17ee7e, 0x9dcb3643, 0x1ca9257b},
-	{0x3db85970, 0x00000006, 0x000002b6, 0x95268b59, 0xb9812c10, 0xfd196d76},
-	{0x857830c5, 0x00000003, 0x00000590, 0x4ef439d5, 0xf042161d, 0x5ef88339},
-	{0xe1fcd978, 0x0000003e, 0x000007d8, 0xae8d8699, 0xce0a1ef5, 0x2c3714d9},
-	{0xb982a768, 0x00000016, 0x000006e0, 0x62fad3df, 0x5f8a067b, 0x58576548},
-	{0x1d581ce8, 0x0000001e, 0x0000058b, 0xf0f5da53, 0x26e39eee, 0xfd7c57de},
-	{0x2456719b, 0x00000025, 0x00000503, 0x4296ac64, 0xd50e4c14, 0xd5fedd59},
-	{0xfae6d8f2, 0x00000000, 0x0000055d, 0x057fdf2e, 0x2a31391a, 0x1cc3b17b},
-	{0xcba828e3, 0x00000039, 0x000002ce, 0xe3f22351, 0x8f00877b, 0x270eed73},
-	{0x13d25952, 0x0000000a, 0x0000072d, 0x76d4b4cc, 0x5eb67ec3, 0x91ecbb11},
-	{0x0342be3f, 0x00000015, 0x00000599, 0xec75d9f1, 0x9d4d2826, 0x05ed8d0c},
-	{0xeaa344e0, 0x00000014, 0x000004d8, 0x72a4c981, 0x2064ea06, 0x0b09ad5b},
-	{0xbbb52021, 0x0000003b, 0x00000272, 0x04af99fc, 0xaf042d35, 0xf8d511fb},
-	{0xb66384dc, 0x0000001d, 0x000007fc, 0xd7629116, 0x782bd801, 0x5ad832cc},
-	{0x616c01b6, 0x00000022, 0x000002c8, 0x5b1dab30, 0x783ce7d2, 0x1214d196},
-	{0xce2bdaad, 0x00000016, 0x0000062a, 0x932535c8, 0x3f02926d, 0x5747218a},
-	{0x00fe84d7, 0x00000005, 0x00000205, 0x850e50aa, 0x753d649c, 0xde8f14de},
-	{0xbebdcb4c, 0x00000006, 0x0000055d, 0xbeaa37a2, 0x2d8c9eba, 0x3563b7b9},
-	{0xd8b1a02a, 0x00000010, 0x00000387, 0x5017d2fc, 0x503541a5, 0x071475d0},
-	{0x3b96cad2, 0x00000036, 0x00000347, 0x1d2372ae, 0x926cd90b, 0x54c79d60},
-	{0xc94c1ed7, 0x00000005, 0x0000038b, 0x9e9fdb22, 0x144a9178, 0x4c53eee6},
-	{0x1aad454e, 0x00000025, 0x000002b2, 0xc3f6315c, 0x5c7a35b3, 0x10137a3c},
-	{0xa4fec9a6, 0x00000000, 0x000006d6, 0x90be5080, 0xa4107605, 0xaa9d6c73},
-	{0x1bbe71e2, 0x0000001f, 0x000002fd, 0x4e504c3b, 0x284ccaf1, 0xb63d23e7},
-	{0x4201c7e4, 0x00000002, 0x000002b7, 0x7822e3f9, 0x0cc912a9, 0x7f53e9cf},
-	{0x23fddc96, 0x00000003, 0x00000627, 0x8a385125, 0x07767e78, 0x13c1cd83},
-	{0xd82ba25c, 0x00000016, 0x0000063e, 0x98e4148a, 0x283330c9, 0x49ff5867},
-	{0x786f2032, 0x0000002d, 0x0000060f, 0xf201600a, 0xf561bfcd, 0x8467f211},
-	{0xfebe4e1f, 0x0000002a, 0x000004f2, 0x95e51961, 0xfd80dcab, 0x3f9683b2},
-	{0x1a6e0a39, 0x00000008, 0x00000672, 0x8af6c2a5, 0x78dd84cb, 0x76a3f874},
-	{0x56000ab8, 0x0000000e, 0x000000e5, 0x36bacb8f, 0x22ee1f77, 0x863b702f},
-	{0x4717fe0c, 0x00000000, 0x000006ec, 0x8439f342, 0x5c8e03da, 0xdc6c58ff},
-	{0xd5d5d68e, 0x0000003c, 0x000003a3, 0x46fff083, 0x177d1b39, 0x0622cc95},
-	{0xc25dd6c6, 0x00000024, 0x000006c0, 0x5ceb8eb4, 0x892b0d16, 0xe85605cd},
-	{0xe9b11300, 0x00000023, 0x00000683, 0x07a5d59a, 0x6c6a3208, 0x31da5f06},
-	{0x95cd285e, 0x00000001, 0x00000047, 0x7b3a4368, 0x0202c07e, 0xa1f2e784},
-	{0xd9245a25, 0x0000001e, 0x000003a6, 0xd33c1841, 0x1936c0d5, 0xb07cc616},
-	{0x103279db, 0x00000006, 0x0000039b, 0xca09b8a0, 0x77d62892, 0xbf943b6c},
-	{0x1cba3172, 0x00000027, 0x000001c8, 0xcb377194, 0xebe682db, 0x2c01af1c},
-	{0x8f613739, 0x0000000c, 0x000001df, 0xb4b0bc87, 0x7710bd43, 0x0fe5f56d},
-	{0x1c6aa90d, 0x0000001b, 0x0000053c, 0x70559245, 0xda7894ac, 0xf8943b2d},
-	{0xaabe5b93, 0x0000003d, 0x00000715, 0xcdbf42fa, 0x0c3b99e7, 0xe4d89272},
-	{0xf15dd038, 0x00000006, 0x000006db, 0x6e104aea, 0x8d5967f2, 0x7c2f6bbb},
-	{0x584dd49c, 0x00000020, 0x000007bc, 0x36b6cfd6, 0xad4e23b2, 0xabbf388b},
-	{0x5d8c9506, 0x00000020, 0x00000470, 0x4c62378e, 0x31d92640, 0x1dca1f4e},
-	{0xb80d17b0, 0x00000032, 0x00000346, 0x22a5bb88, 0x9a7ec89f, 0x5c170e23},
-	{0xdaf0592e, 0x00000023, 0x000007b0, 0x3cab3f99, 0x9b1fdd99, 0xc0e9d672},
-	{0x4793cc85, 0x0000000d, 0x00000706, 0xe82e04f6, 0xed3db6b7, 0xc18bdc86},
-	{0x82ebf64e, 0x00000009, 0x000007c3, 0x69d590a9, 0x9efa8499, 0xa874fcdd},
-	{0xb18a0319, 0x00000026, 0x000007db, 0x1cf98dcc, 0x8fa9ad6a, 0x9dc0bb48},
-};
-
-#include <linux/time.h>
-
-static int __init crc32c_test(void)
-{
-	int i;
-	int errors = 0;
-	int bytes = 0;
-	u64 nsec;
-	unsigned long flags;
-
-	/* keep static to prevent cache warming code from
-	 * getting eliminated by the compiler */
-	static u32 crc;
-
-	/* pre-warm the cache */
-	for (i = 0; i < 100; i++) {
-		bytes += test[i].length;
-
-		crc ^= __crc32c_le(test[i].crc, test_buf +
-		    test[i].start, test[i].length);
-	}
-
-	/* reduce OS noise */
-	local_irq_save(flags);
-
-	nsec = ktime_get_ns();
-	for (i = 0; i < 100; i++) {
-		if (test[i].crc32c_le != __crc32c_le(test[i].crc, test_buf +
-		    test[i].start, test[i].length))
-			errors++;
-	}
-	nsec = ktime_get_ns() - nsec;
-
-	local_irq_restore(flags);
-
-	pr_info("crc32c: CRC_LE_BITS = %d\n", CRC_LE_BITS);
-
-	if (errors)
-		pr_warn("crc32c: %d self tests failed\n", errors);
-	else {
-		pr_info("crc32c: self tests passed, processed %d bytes in %lld nsec\n",
-			bytes, nsec);
-	}
-
-	return 0;
-}
-
-static int __init crc32c_combine_test(void)
-{
-	int i, j;
-	int errors = 0, runs = 0;
-
-	for (i = 0; i < 10; i++) {
-		u32 crc_full;
-
-		crc_full = __crc32c_le(test[i].crc, test_buf + test[i].start,
-				       test[i].length);
-		for (j = 0; j <= test[i].length; ++j) {
-			u32 crc1, crc2;
-			u32 len1 = j, len2 = test[i].length - j;
-
-			crc1 = __crc32c_le(test[i].crc, test_buf +
-					   test[i].start, len1);
-			crc2 = __crc32c_le(0, test_buf + test[i].start +
-					   len1, len2);
-
-			if (!(crc_full == __crc32c_le_combine(crc1, crc2, len2) &&
-			      crc_full == test[i].crc32c_le))
-				errors++;
-			runs++;
-			cond_resched();
-		}
-	}
-
-	if (errors)
-		pr_warn("crc32c_combine: %d/%d self tests failed\n", errors, runs);
-	else
-		pr_info("crc32c_combine: %d self tests passed\n", runs);
-
-	return 0;
-}
-
-static int __init crc32_test(void)
-{
-	int i;
-	int errors = 0;
-	int bytes = 0;
-	u64 nsec;
-	unsigned long flags;
-
-	/* keep static to prevent cache warming code from
-	 * getting eliminated by the compiler */
-	static u32 crc;
-
-	/* pre-warm the cache */
-	for (i = 0; i < 100; i++) {
-		bytes += 2*test[i].length;
-
-		crc ^= crc32_le(test[i].crc, test_buf +
-		    test[i].start, test[i].length);
-
-		crc ^= crc32_be(test[i].crc, test_buf +
-		    test[i].start, test[i].length);
-	}
-
-	/* reduce OS noise */
-	local_irq_save(flags);
-
-	nsec = ktime_get_ns();
-	for (i = 0; i < 100; i++) {
-		if (test[i].crc_le != crc32_le(test[i].crc, test_buf +
-		    test[i].start, test[i].length))
-			errors++;
-
-		if (test[i].crc_be != crc32_be(test[i].crc, test_buf +
-		    test[i].start, test[i].length))
-			errors++;
-	}
-	nsec = ktime_get_ns() - nsec;
-
-	local_irq_restore(flags);
-
-	pr_info("crc32: CRC_LE_BITS = %d, CRC_BE BITS = %d\n",
-		 CRC_LE_BITS, CRC_BE_BITS);
-
-	if (errors)
-		pr_warn("crc32: %d self tests failed\n", errors);
-	else {
-		pr_info("crc32: self tests passed, processed %d bytes in %lld nsec\n",
-			bytes, nsec);
-	}
-
-	return 0;
-}
-
-static int __init crc32_combine_test(void)
-{
-	int i, j;
-	int errors = 0, runs = 0;
-
-	for (i = 0; i < 10; i++) {
-		u32 crc_full;
-
-		crc_full = crc32_le(test[i].crc, test_buf + test[i].start,
-				    test[i].length);
-		for (j = 0; j <= test[i].length; ++j) {
-			u32 crc1, crc2;
-			u32 len1 = j, len2 = test[i].length - j;
-
-			crc1 = crc32_le(test[i].crc, test_buf +
-					test[i].start, len1);
-			crc2 = crc32_le(0, test_buf + test[i].start +
-					len1, len2);
-
-			if (!(crc_full == crc32_le_combine(crc1, crc2, len2) &&
-			      crc_full == test[i].crc_le))
-				errors++;
-			runs++;
-			cond_resched();
-		}
-	}
-
-	if (errors)
-		pr_warn("crc32_combine: %d/%d self tests failed\n", errors, runs);
-	else
-		pr_info("crc32_combine: %d self tests passed\n", runs);
-
-	return 0;
-}
-
-static int __init crc32test_init(void)
-{
-	crc32_test();
-	crc32c_test();
-
-	crc32_combine_test();
-	crc32c_combine_test();
-
-	return 0;
-}
-
-static void __exit crc32_exit(void)
-{
-}
-
-module_init(crc32test_init);
-module_exit(crc32_exit);
-
-MODULE_AUTHOR("Matt Domsch <Matt_Domsch@dell.com>");
-MODULE_DESCRIPTION("CRC32 selftest");
-MODULE_LICENSE("GPL");
diff --git a/lib/crc_kunit.c b/lib/crc_kunit.c
new file mode 100644
index 0000000000000..6a61d4b5fd45a
--- /dev/null
+++ b/lib/crc_kunit.c
@@ -0,0 +1,435 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Unit tests and benchmarks for the CRC library functions
+ *
+ * Copyright 2024 Google LLC
+ *
+ * Author: Eric Biggers <ebiggers@google.com>
+ */
+#include <kunit/test.h>
+#include <linux/crc16.h>
+#include <linux/crc-t10dif.h>
+#include <linux/crc32.h>
+#include <linux/crc32c.h>
+#include <linux/crc64.h>
+#include <linux/prandom.h>
+#include <linux/vmalloc.h>
+
+#define CRC_KUNIT_SEED			42
+#define CRC_KUNIT_MAX_LEN		16384
+#define CRC_KUNIT_NUM_TEST_ITERS	1000
+
+static struct rnd_state rng;
+static u8 *test_buffer;
+static size_t test_buflen;
+
+/**
+ * struct crc_variant - describes a CRC variant
+ * @bits: Number of bits in the CRC, 1 <= @bits <= 64.
+ * @le: true if it's a "little endian" CRC (reversed mapping between bits and
+ *	polynomial coefficients in each byte), false if it's a "big endian" CRC
+ *	(natural mapping between bits and polynomial coefficients in each byte)
+ * @poly: The generator polynomial with the highest-order term omitted.
+ *	  Bit-reversed if @le is true.
+ * @func: The function to compute a CRC.  The type signature uses u64 so that it
+ *	  can fit any CRC up to CRC-64.
+ * @combine_func: Optional function to combine two CRCs.
+ */
+struct crc_variant {
+	int bits;
+	bool le;
+	u64 poly;
+	u64 (*func)(u64 crc, const u8 *p, size_t len);
+	u64 (*combine_func)(u64 crc1, u64 crc2, size_t len2);
+};
+
+static u32 rand32(void)
+{
+	return prandom_u32_state(&rng);
+}
+
+static u64 rand64(void)
+{
+	u32 n = rand32();
+
+	return ((u64)n << 32) | rand32();
+}
+
+static u64 crc_mask(const struct crc_variant *v)
+{
+	return (u64)-1 >> (64 - v->bits);
+}
+
+/* Reference implementation of any CRC variant */
+static u64 crc_ref(const struct crc_variant *v,
+		   u64 crc, const u8 *p, size_t len)
+{
+	size_t i, j;
+
+	for (i = 0; i < len; i++) {
+		for (j = 0; j < 8; j++) {
+			if (v->le) {
+				crc ^= (p[i] >> j) & 1;
+				crc = (crc >> 1) ^ ((crc & 1) ? v->poly : 0);
+			} else {
+				crc ^= (u64)((p[i] >> (7 - j)) & 1) <<
+				       (v->bits - 1);
+				if (crc & (1ULL << (v->bits - 1)))
+					crc = ((crc << 1) ^ v->poly) &
+					      crc_mask(v);
+				else
+					crc <<= 1;
+			}
+		}
+	}
+	return crc;
+}
+
+static int crc_suite_init(struct kunit_suite *suite)
+{
+	/*
+	 * Allocate the test buffer using vmalloc() with a page-aligned length
+	 * so that it is immediately followed by a guard page.  This allows
+	 * buffer overreads to be detected, even in assembly code.
+	 */
+	test_buflen = round_up(CRC_KUNIT_MAX_LEN, PAGE_SIZE);
+	test_buffer = vmalloc(test_buflen);
+	if (!test_buffer)
+		return -ENOMEM;
+
+	prandom_seed_state(&rng, CRC_KUNIT_SEED);
+	prandom_bytes_state(&rng, test_buffer, test_buflen);
+	return 0;
+}
+
+static void crc_suite_exit(struct kunit_suite *suite)
+{
+	vfree(test_buffer);
+	test_buffer = NULL;
+}
+
+/* Generate a random initial CRC. */
+static u64 generate_random_initial_crc(const struct crc_variant *v)
+{
+	switch (rand32() % 4) {
+	case 0:
+		return 0;
+	case 1:
+		return crc_mask(v); /* All 1 bits */
+	default:
+		return rand64() & crc_mask(v);
+	}
+}
+
+/* Generate a random length, preferring small lengths. */
+static size_t generate_random_length(size_t max_length)
+{
+	size_t len;
+
+	switch (rand32() % 3) {
+	case 0:
+		len = rand32() % 128;
+		break;
+	case 1:
+		len = rand32() % 3072;
+		break;
+	default:
+		len = rand32();
+		break;
+	}
+	return len % (max_length + 1);
+}
+
+/* Test that v->func gives the same CRCs as a reference implementation. */
+static void crc_main_test(struct kunit *test, const struct crc_variant *v)
+{
+	size_t i;
+
+	for (i = 0; i < CRC_KUNIT_NUM_TEST_ITERS; i++) {
+		u64 init_crc, expected_crc, actual_crc;
+		size_t len, offset;
+		bool nosimd;
+
+		init_crc = generate_random_initial_crc(v);
+		len = generate_random_length(CRC_KUNIT_MAX_LEN);
+
+		/* Generate a random offset. */
+		if (rand32() % 2 == 0) {
+			/* Use a random alignment mod 64 */
+			offset = rand32() % 64;
+			offset = min(offset, CRC_KUNIT_MAX_LEN - len);
+		} else {
+			/* Go up to the guard page, to catch buffer overreads */
+			offset = test_buflen - len;
+		}
+
+		if (rand32() % 8 == 0)
+			/* Refresh the data occasionally. */
+			prandom_bytes_state(&rng, &test_buffer[offset], len);
+
+		nosimd = rand32() % 8 == 0;
+
+		/*
+		 * Compute the CRC, and verify that it equals the CRC computed
+		 * by a simple bit-at-a-time reference implementation.
+		 */
+		expected_crc = crc_ref(v, init_crc, &test_buffer[offset], len);
+		if (nosimd)
+			local_irq_disable();
+		actual_crc = v->func(init_crc, &test_buffer[offset], len);
+		if (nosimd)
+			local_irq_enable();
+		KUNIT_EXPECT_EQ_MSG(test, expected_crc, actual_crc,
+				    "Wrong result with len=%zu offset=%zu nosimd=%d",
+				    len, offset, nosimd);
+	}
+}
+
+/* Test that CRC(concat(A, B)) == combine_CRCs(CRC(A), CRC(B), len(B)). */
+static void crc_combine_test(struct kunit *test, const struct crc_variant *v)
+{
+	int i;
+
+	for (i = 0; i < 100; i++) {
+		u64 init_crc = generate_random_initial_crc(v);
+		size_t len1 = generate_random_length(CRC_KUNIT_MAX_LEN);
+		size_t len2 = generate_random_length(CRC_KUNIT_MAX_LEN - len1);
+		u64 crc1, crc2, expected_crc, actual_crc;
+
+		prandom_bytes_state(&rng, test_buffer, len1 + len2);
+		crc1 = v->func(init_crc, test_buffer, len1);
+		crc2 = v->func(0, &test_buffer[len1], len2);
+		expected_crc = v->func(init_crc, test_buffer, len1 + len2);
+		actual_crc = v->combine_func(crc1, crc2, len2);
+		KUNIT_EXPECT_EQ_MSG(test, expected_crc, actual_crc,
+				    "CRC combination gave wrong result with len1=%zu len2=%zu\n",
+				    len1, len2);
+	}
+}
+
+static void crc_test(struct kunit *test, const struct crc_variant *v)
+{
+	crc_main_test(test, v);
+	if (v->combine_func)
+		crc_combine_test(test, v);
+}
+
+static __always_inline void
+crc_benchmark(struct kunit *test,
+	      u64 (*crc_func)(u64 crc, const u8 *p, size_t len))
+{
+	static const size_t lens_to_test[] = {
+		1, 16, 64, 127, 128, 200, 256, 511, 512, 1024, 3173, 4096, 16384,
+	};
+	size_t len, i, j, num_iters;
+	/*
+	 * Some of the CRC library functions are marked as __pure, so use
+	 * volatile to ensure that all calls are really made as intended.
+	 */
+	volatile u64 crc = 0;
+	u64 t;
+
+	if (!IS_ENABLED(CONFIG_CRC_BENCHMARK))
+		kunit_skip(test, "not enabled");
+
+	/* warm-up */
+	for (i = 0; i < 10000000; i += CRC_KUNIT_MAX_LEN)
+		crc = crc_func(crc, test_buffer, CRC_KUNIT_MAX_LEN);
+
+	for (i = 0; i < ARRAY_SIZE(lens_to_test); i++) {
+		len = lens_to_test[i];
+		KUNIT_ASSERT_LE(test, len, CRC_KUNIT_MAX_LEN);
+		num_iters = 10000000 / (len + 128);
+		preempt_disable();
+		t = ktime_get_ns();
+		for (j = 0; j < num_iters; j++)
+			crc = crc_func(crc, test_buffer, len);
+		t = ktime_get_ns() - t;
+		preempt_enable();
+		kunit_info(test, "len=%zu: %llu MB/s\n",
+			   len, div64_u64((u64)len * num_iters * 1000, t));
+	}
+}
+
+/* crc16 */
+
+static u64 crc16_wrapper(u64 crc, const u8 *p, size_t len)
+{
+	return crc16(crc, p, len);
+}
+
+static const struct crc_variant crc_variant_crc16 = {
+	.bits = 16,
+	.le = true,
+	.poly = 0xa001,
+	.func = crc16_wrapper,
+};
+
+static void crc16_test(struct kunit *test)
+{
+	crc_test(test, &crc_variant_crc16);
+}
+
+static void crc16_benchmark(struct kunit *test)
+{
+	crc_benchmark(test, crc16_wrapper);
+}
+
+/* crc_t10dif */
+
+static u64 crc_t10dif_wrapper(u64 crc, const u8 *p, size_t len)
+{
+	return crc_t10dif_update(crc, p, len);
+}
+
+static const struct crc_variant crc_variant_crc_t10dif = {
+	.bits = 16,
+	.le = false,
+	.poly = 0x8bb7,
+	.func = crc_t10dif_wrapper,
+};
+
+static void crc_t10dif_test(struct kunit *test)
+{
+	crc_test(test, &crc_variant_crc_t10dif);
+}
+
+static void crc_t10dif_benchmark(struct kunit *test)
+{
+	crc_benchmark(test, crc_t10dif_wrapper);
+}
+
+/* crc32_le */
+
+static u64 crc32_le_wrapper(u64 crc, const u8 *p, size_t len)
+{
+	return crc32_le(crc, p, len);
+}
+
+static u64 crc32_le_combine_wrapper(u64 crc1, u64 crc2, size_t len2)
+{
+	return crc32_le_combine(crc1, crc2, len2);
+}
+
+static const struct crc_variant crc_variant_crc32_le = {
+	.bits = 32,
+	.le = true,
+	.poly = 0xedb88320,
+	.func = crc32_le_wrapper,
+	.combine_func = crc32_le_combine_wrapper,
+};
+
+static void crc32_le_test(struct kunit *test)
+{
+	crc_test(test, &crc_variant_crc32_le);
+}
+
+static void crc32_le_benchmark(struct kunit *test)
+{
+	crc_benchmark(test, crc32_le_wrapper);
+}
+
+/* crc32_be */
+
+static u64 crc32_be_wrapper(u64 crc, const u8 *p, size_t len)
+{
+	return crc32_be(crc, p, len);
+}
+
+static const struct crc_variant crc_variant_crc32_be = {
+	.bits = 32,
+	.le = false,
+	.poly = 0x04c11db7,
+	.func = crc32_be_wrapper,
+};
+
+static void crc32_be_test(struct kunit *test)
+{
+	crc_test(test, &crc_variant_crc32_be);
+}
+
+static void crc32_be_benchmark(struct kunit *test)
+{
+	crc_benchmark(test, crc32_be_wrapper);
+}
+
+/* crc32c */
+
+static u64 crc32c_wrapper(u64 crc, const u8 *p, size_t len)
+{
+	return crc32c(crc, p, len);
+}
+
+static u64 crc32c_combine_wrapper(u64 crc1, u64 crc2, size_t len2)
+{
+	return __crc32c_le_combine(crc1, crc2, len2);
+}
+
+static const struct crc_variant crc_variant_crc32c = {
+	.bits = 32,
+	.le = true,
+	.poly = 0x82f63b78,
+	.func = crc32c_wrapper,
+	.combine_func = crc32c_combine_wrapper,
+};
+
+static void crc32c_test(struct kunit *test)
+{
+	crc_test(test, &crc_variant_crc32c);
+}
+
+static void crc32c_benchmark(struct kunit *test)
+{
+	crc_benchmark(test, crc32c_wrapper);
+}
+
+/* crc64_be */
+
+static u64 crc64_be_wrapper(u64 crc, const u8 *p, size_t len)
+{
+	return crc64_be(crc, p, len);
+}
+
+static const struct crc_variant crc_variant_crc64_be = {
+	.bits = 64,
+	.le = false,
+	.poly = 0x42f0e1eba9ea3693,
+	.func = crc64_be_wrapper,
+};
+
+static void crc64_be_test(struct kunit *test)
+{
+	crc_test(test, &crc_variant_crc64_be);
+}
+
+static void crc64_be_benchmark(struct kunit *test)
+{
+	crc_benchmark(test, crc64_be_wrapper);
+}
+
+static struct kunit_case crc_test_cases[] = {
+	KUNIT_CASE(crc16_test),
+	KUNIT_CASE(crc16_benchmark),
+	KUNIT_CASE(crc_t10dif_test),
+	KUNIT_CASE(crc_t10dif_benchmark),
+	KUNIT_CASE(crc32_le_test),
+	KUNIT_CASE(crc32_le_benchmark),
+	KUNIT_CASE(crc32_be_test),
+	KUNIT_CASE(crc32_be_benchmark),
+	KUNIT_CASE(crc32c_test),
+	KUNIT_CASE(crc32c_benchmark),
+	KUNIT_CASE(crc64_be_test),
+	KUNIT_CASE(crc64_be_benchmark),
+	{},
+};
+
+static struct kunit_suite crc_test_suite = {
+	.name = "crc",
+	.test_cases = crc_test_cases,
+	.suite_init = crc_suite_init,
+	.suite_exit = crc_suite_exit,
+};
+kunit_test_suite(crc_test_suite);
+
+MODULE_DESCRIPTION("Unit tests and benchmarks for the CRC library functions");
+MODULE_LICENSE("GPL");
diff --git a/lib/libcrc32c.c b/lib/libcrc32c.c
deleted file mode 100644
index 649e687413a0c..0000000000000
--- a/lib/libcrc32c.c
+++ /dev/null
@@ -1,74 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/* 
- * CRC32C
- *@Article{castagnoli-crc,
- * author =       { Guy Castagnoli and Stefan Braeuer and Martin Herrman},
- * title =        {{Optimization of Cyclic Redundancy-Check Codes with 24
- *                 and 32 Parity Bits}},
- * journal =      IEEE Transactions on Communication,
- * year =         {1993},
- * volume =       {41},
- * number =       {6},
- * pages =        {},
- * month =        {June},
- *}
- * Used by the iSCSI driver, possibly others, and derived from
- * the iscsi-crc.c module of the linux-iscsi driver at
- * http://linux-iscsi.sourceforge.net.
- *
- * Following the example of lib/crc32, this function is intended to be
- * flexible and useful for all users.  Modules that currently have their
- * own crc32c, but hopefully may be able to use this one are:
- *  net/sctp (please add all your doco to here if you change to
- *            use this one!)
- *  <endoflist>
- *
- * Copyright (c) 2004 Cisco Systems, Inc.
- */
-
-#include <crypto/hash.h>
-#include <linux/err.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/crc32c.h>
-
-static struct crypto_shash *tfm;
-
-u32 crc32c(u32 crc, const void *address, unsigned int length)
-{
-	SHASH_DESC_ON_STACK(shash, tfm);
-	u32 ret, *ctx = (u32 *)shash_desc_ctx(shash);
-	int err;
-
-	shash->tfm = tfm;
-	*ctx = crc;
-
-	err = crypto_shash_update(shash, address, length);
-	BUG_ON(err);
-
-	ret = *ctx;
-	barrier_data(ctx);
-	return ret;
-}
-
-EXPORT_SYMBOL(crc32c);
-
-static int __init libcrc32c_mod_init(void)
-{
-	tfm = crypto_alloc_shash("crc32c", 0, 0);
-	return PTR_ERR_OR_ZERO(tfm);
-}
-
-static void __exit libcrc32c_mod_fini(void)
-{
-	crypto_free_shash(tfm);
-}
-
-module_init(libcrc32c_mod_init);
-module_exit(libcrc32c_mod_fini);
-
-MODULE_AUTHOR("Clay Haapala <chaapala@cisco.com>");
-MODULE_DESCRIPTION("CRC32c (Castagnoli) calculations");
-MODULE_LICENSE("GPL");
-MODULE_SOFTDEP("pre: crc32c");