addc545773
crc32.c uses SPDK_HAVE_ARM_CRC to use __crc32 intrinsics when available, but it isn't including anything that would actually define SPDK_HAVE_ARM_CRC. Only crc32c.c tried to define this previously, that all got moved to crc_internal.h now, so we can just include that here. Signed-off-by: Jim Harris <james.r.harris@intel.com> Change-Id: Ic5c2e6908508e32d2f3784304c5b58d3acd4c965 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/16688 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
69 lines
1.2 KiB
C
69 lines
1.2 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (C) 2017 Intel Corporation.
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* All rights reserved.
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*/
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#include "util_internal.h"
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#include "crc_internal.h"
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#include "spdk/crc32.h"
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void
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crc32_table_init(struct spdk_crc32_table *table, uint32_t polynomial_reflect)
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{
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int i, j;
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uint32_t val;
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for (i = 0; i < 256; i++) {
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val = i;
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for (j = 0; j < 8; j++) {
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if (val & 1) {
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val = (val >> 1) ^ polynomial_reflect;
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} else {
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val = (val >> 1);
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}
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}
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table->table[i] = val;
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}
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}
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#ifdef SPDK_HAVE_ARM_CRC
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uint32_t
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crc32_update(const struct spdk_crc32_table *table, const void *buf, size_t len, uint32_t crc)
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{
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size_t count;
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const uint64_t *dword_buf;
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count = len & 7;
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while (count--) {
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crc = __crc32b(crc, *(const uint8_t *)buf);
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buf++;
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}
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dword_buf = (const uint64_t *)buf;
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count = len / 8;
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while (count--) {
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crc = __crc32d(crc, *dword_buf);
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dword_buf++;
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}
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return crc;
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}
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#else
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uint32_t
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crc32_update(const struct spdk_crc32_table *table, const void *buf, size_t len, uint32_t crc)
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{
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const uint8_t *buf_u8 = buf;
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size_t i;
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for (i = 0; i < len; i++) {
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crc = (crc >> 8) ^ table->table[(crc ^ buf_u8[i]) & 0xff];
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}
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return crc;
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}
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#endif
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