summaryrefslogtreecommitdiff
path: root/arch/x86/lib/crc64-glue.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/lib/crc64-glue.c')
-rw-r--r--arch/x86/lib/crc64-glue.c50
1 files changed, 0 insertions, 50 deletions
diff --git a/arch/x86/lib/crc64-glue.c b/arch/x86/lib/crc64-glue.c
deleted file mode 100644
index b0e1b719ecbf..000000000000
--- a/arch/x86/lib/crc64-glue.c
+++ /dev/null
@@ -1,50 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * CRC64 using [V]PCLMULQDQ instructions
- *
- * Copyright 2025 Google LLC
- */
-
-#include <linux/crc64.h>
-#include <linux/module.h>
-#include "crc-pclmul-template.h"
-
-static DEFINE_STATIC_KEY_FALSE(have_pclmulqdq);
-
-DECLARE_CRC_PCLMUL_FUNCS(crc64_msb, u64);
-DECLARE_CRC_PCLMUL_FUNCS(crc64_lsb, u64);
-
-u64 crc64_be_arch(u64 crc, const u8 *p, size_t len)
-{
- CRC_PCLMUL(crc, p, len, crc64_msb, crc64_msb_0x42f0e1eba9ea3693_consts,
- have_pclmulqdq);
- return crc64_be_generic(crc, p, len);
-}
-EXPORT_SYMBOL_GPL(crc64_be_arch);
-
-u64 crc64_nvme_arch(u64 crc, const u8 *p, size_t len)
-{
- CRC_PCLMUL(crc, p, len, crc64_lsb, crc64_lsb_0x9a6c9329ac4bc9b5_consts,
- have_pclmulqdq);
- return crc64_nvme_generic(crc, p, len);
-}
-EXPORT_SYMBOL_GPL(crc64_nvme_arch);
-
-static int __init crc64_x86_init(void)
-{
- if (boot_cpu_has(X86_FEATURE_PCLMULQDQ)) {
- static_branch_enable(&have_pclmulqdq);
- INIT_CRC_PCLMUL(crc64_msb);
- INIT_CRC_PCLMUL(crc64_lsb);
- }
- return 0;
-}
-arch_initcall(crc64_x86_init);
-
-static void __exit crc64_x86_exit(void)
-{
-}
-module_exit(crc64_x86_exit);
-
-MODULE_DESCRIPTION("CRC64 using [V]PCLMULQDQ instructions");
-MODULE_LICENSE("GPL");