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Separate kernel crc32() implementation to its own header (gsb_crc32.h) and

Browse source 
rename the source to gsb_crc32.c.

This is a prerequisite of unifying kernel zlib instances.

PR:		229763
Submitted by:	Yoshihiro Ota <ota at j.email.ne.jp>
Differential Revision:	https://reviews.freebsd.org/D20193
This commit is contained in:
Xin LI 2019-06-17 19:49:08 +00:00
parent 2d4a74d7a0
commit f89d207279
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=349151
29 changed files with 77 additions and 50 deletions
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3
lib/libufs/Makefile
View file

@ -5,7 +5,8 @@ LIB= ufs
SHLIBDIR?= /lib
SHLIB_MAJOR= 7
SRCS= block.c cgroup.c crc32.c inode.c sblock.c type.c ffs_subr.c ffs_tables.c
SRCS= block.c cgroup.c gsb_crc32.c inode.c sblock.c type.c ffs_subr.c
SRCS+= ffs_tables.c
INCS= libufs.h
MAN= bread.3 cgread.3 getinode.3 libufs.3 sbread.3 ufs_disk_close.3

2
stand/libsa/crc32_libkern.c
View file

@ -1,3 +1,3 @@
/* $FreeBSD$ */
#include "../../sys/libkern/crc32.c"
#include "../../sys/libkern/gsb_crc32.c"

2
sys/conf/files
View file

@ -3982,9 +3982,9 @@ crypto/chacha20/chacha.c standard
libkern/asprintf.c standard
libkern/bcd.c standard
libkern/bsearch.c standard
libkern/crc32.c standard
libkern/explicit_bzero.c standard
libkern/fnmatch.c standard
libkern/gsb_crc32.c standard
libkern/iconv.c optional libiconv
libkern/iconv_converter_if.m optional libiconv
libkern/iconv_ucs.c optional libiconv

1
sys/dev/iscsi/icl_soft.c
View file

@ -41,6 +41,7 @@ __FBSDID("$FreeBSD$");
#include <sys/capsicum.h>
#include <sys/condvar.h>
#include <sys/conf.h>
#include <sys/gsb_crc32.h>
#include <sys/file.h>
#include <sys/kernel.h>
#include <sys/kthread.h>

1
sys/dev/iscsi_initiator/isc_subr.c
View file

@ -39,6 +39,7 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/conf.h>
#include <sys/gsb_crc32.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/ctype.h>

1
sys/dev/liquidio/lio_bsd.h
View file

@ -36,6 +36,7 @@
#define __LIO_BSD_H__
#include <sys/param.h>
#include <sys/gsb_crc32.h>
#include <sys/eventhandler.h>
#include <sys/socket.h>
#include <sys/kernel.h>

2
sys/dev/usb/net/if_cdce.c
View file

@ -50,7 +50,7 @@
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/gsb_crc32.h>
#include <sys/eventhandler.h>
#include <sys/stdint.h>
#include <sys/stddef.h>

1
sys/fs/ext2fs/ext2_csum.c
View file

@ -40,6 +40,7 @@
#include <sys/buf.h>
#include <sys/endian.h>
#include <sys/conf.h>
#include <sys/gsb_crc32.h>
#include <sys/mount.h>
#include <fs/ext2fs/fs.h>

1
sys/fs/nandfs/nandfs_segment.c
View file

@ -34,6 +34,7 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/gsb_crc32.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/malloc.h>

1
sys/fs/nandfs/nandfs_subr.c
View file

@ -33,6 +33,7 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/gsb_crc32.h>
#include <sys/namei.h>
#include <sys/resourcevar.h>
#include <sys/kernel.h>

1
sys/fs/nandfs/nandfs_vfsops.c
View file

@ -34,6 +34,7 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/fcntl.h>
#include <sys/gsb_crc32.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/malloc.h>

1
sys/geom/part/g_part_bsd64.c
View file

@ -29,6 +29,7 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/bio.h>
#include <sys/gsb_crc32.h>
#include <sys/disklabel.h>
#include <sys/endian.h>
#include <sys/gpt.h>

1
sys/geom/part/g_part_gpt.c
View file

@ -32,6 +32,7 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/bio.h>
#include <sys/diskmbr.h>
#include <sys/gsb_crc32.h>
#include <sys/endian.h>
#include <sys/gpt.h>
#include <sys/kernel.h>

1
sys/geom/raid/md_ddf.c
View file

@ -31,6 +31,7 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/bio.h>
#include <sys/gsb_crc32.h>
#include <sys/endian.h>
#include <sys/kernel.h>
#include <sys/kobj.h>

1
sys/kern/subr_compressor.c
View file

@ -66,6 +66,7 @@ SET_DECLARE(compressors, struct compressor_methods);
#ifdef GZIO
#include <sys/gsb_crc32.h>
#include <sys/zutil.h>
struct gz_stream {

1
sys/libkern/crc32.c → sys/libkern/gsb_crc32.c
View file

@ -50,6 +50,7 @@ __FBSDID("$FreeBSD$");
#ifdef _KERNEL
#include <sys/libkern.h>
#include <sys/systm.h>
#include <sys/gsb_crc32.h>
#if defined(__amd64__) || defined(__i386__)
#include <machine/md_var.h>

9
sys/libkern/x86/crc32_sse42.c
View file

@ -29,14 +29,14 @@ __FBSDID("$FreeBSD$");
/*
* This file is compiled in userspace in order to run ATF unit tests.
*/
#ifdef USERSPACE_TESTING
#ifndef _KERNEL
#include <stdint.h>
#include <stdlib.h>
#else
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#endif
#include <sys/gsb_crc32.h>
static __inline uint32_t
_mm_crc32_u8(uint32_t x, uint8_t y)
@ -199,7 +199,7 @@ crc32c_shift(uint32_t zeros[][256], uint32_t crc)
/* Initialize tables for shifting crcs. */
static void
#ifdef USERSPACE_TESTING
#ifndef _KERNEL
__attribute__((__constructor__))
#endif
crc32c_init_hw(void)
@ -214,9 +214,6 @@ SYSINIT(crc32c_sse42, SI_SUB_LOCK, SI_ORDER_ANY, crc32c_init_hw, NULL);
#endif
/* Compute CRC-32C using the Intel hardware instruction. */
#ifdef USERSPACE_TESTING
uint32_t sse42_crc32c(uint32_t, const unsigned char *, unsigned);
#endif
uint32_t
sse42_crc32c(uint32_t crc, const unsigned char *buf, unsigned len)
{

1
sys/netinet/libalias/alias_sctp.c
View file

@ -75,6 +75,7 @@
#ifdef _KERNEL
#include <machine/stdarg.h>
#include <sys/param.h>
#include <sys/gsb_crc32.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>

1
sys/netinet/sctp_crc32.c
View file

@ -37,6 +37,7 @@ __FBSDID("$FreeBSD$");
#include "opt_sctp.h"
#include <sys/gsb_crc32.h>
#ifdef SCTP
#include <netinet/sctp_os.h>
#include <netinet/sctp.h>

1
sys/netpfil/pf/pf.c
View file

@ -48,6 +48,7 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/endian.h>
#include <sys/gsb_crc32.h>
#include <sys/hash.h>
#include <sys/interrupt.h>
#include <sys/kernel.h>

47
sys/sys/gsb_crc32.h Normal file
View file

@ -0,0 +1,47 @@
/*-
* COPYRIGHT (C) 1986 Gary S. Brown. You may use this program, or
* code or tables extracted from it, as desired without restriction.
*
* $FreeBSD$
*/
#ifndef _SYS_GSB_CRC32_H_
#define _SYS_GSB_CRC32_H_
#include <sys/types.h>
#ifdef _KERNEL
extern const uint32_t crc32_tab[];
static __inline uint32_t
crc32_raw(const void *buf, size_t size, uint32_t crc)
{
const uint8_t *p = (const uint8_t *)buf;
while (size--)
crc = crc32_tab[(crc ^ *p++) & 0xFF] ^ (crc >> 8);
return (crc);
}
static __inline uint32_t
crc32(const void *buf, size_t size)
{
uint32_t crc;
crc = crc32_raw(buf, size, ~0U);
return (crc ^ ~0U);
}
uint32_t calculate_crc32c(uint32_t crc32c, const unsigned char *buffer,
unsigned int length);
#endif
#if defined(__amd64__) || defined(__i386__)
uint32_t sse42_crc32c(uint32_t, const unsigned char *, unsigned);
#endif
#if defined(__aarch64__)
uint32_t armv8_crc32c(uint32_t, const unsigned char *, unsigned int);
#endif
#endif /* !_SYS_GSB_CRC32_H_ */

33
sys/sys/libkern.h
View file

@ -190,39 +190,6 @@ size_t strspn(const char *, const char *);
char *strstr(const char *, const char *);
int strvalid(const char *, size_t);
extern const uint32_t crc32_tab[];
static __inline uint32_t
crc32_raw(const void *buf, size_t size, uint32_t crc)
{
const uint8_t *p = (const uint8_t *)buf;
while (size--)
crc = crc32_tab[(crc ^ *p++) & 0xFF] ^ (crc >> 8);
return (crc);
}
static __inline uint32_t
crc32(const void *buf, size_t size)
{
uint32_t crc;
crc = crc32_raw(buf, size, ~0U);
return (crc ^ ~0U);
}
uint32_t
calculate_crc32c(uint32_t crc32c, const unsigned char *buffer,
unsigned int length);
#ifdef _KERNEL
#if defined(__amd64__) || defined(__i386__)
uint32_t sse42_crc32c(uint32_t, const unsigned char *, unsigned);
#endif
#if defined(__aarch64__)
uint32_t armv8_crc32c(uint32_t, const unsigned char *, unsigned int);
#endif
#endif
static __inline char *
index(const char *p, int ch)
{

2
sys/sys/param.h
View file

@ -60,7 +60,7 @@
* in the range 5 to 9.
*/
#undef __FreeBSD_version
#define __FreeBSD_version 1300031 /* Master, propagated to newvers */
#define __FreeBSD_version 1300032 /* Master, propagated to newvers */
/*
* __FreeBSD_kernel__ indicates that this system uses the kernel of FreeBSD,

1
sys/ufs/ffs/ffs_alloc.c
View file

@ -68,6 +68,7 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/capsicum.h>
#include <sys/gsb_crc32.h>
#include <sys/systm.h>
#include <sys/bio.h>
#include <sys/buf.h>

1
sys/ufs/ffs/ffs_snapshot.c
View file

@ -44,6 +44,7 @@ __FBSDID("$FreeBSD$");
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/gsb_crc32.h>
#include <sys/bio.h>
#include <sys/buf.h>
#include <sys/fcntl.h>

1
sys/ufs/ffs/ffs_subr.c
View file

@ -59,6 +59,7 @@ struct malloc_type;
#else /* _KERNEL */
#include <sys/systm.h>
#include <sys/gsb_crc32.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mount.h>

1
sys/ufs/ffs/ffs_vfsops.c
View file

@ -40,6 +40,7 @@ __FBSDID("$FreeBSD$");
#include "opt_ddb.h"
#include <sys/param.h>
#include <sys/gsb_crc32.h>
#include <sys/systm.h>
#include <sys/namei.h>
#include <sys/priv.h>

1
tests/sys/kern/Makefile
View file

@ -46,7 +46,6 @@ LIBADD.mqueue_test+= rt
${MACHINE_ARCH} == "i386" || \
${MACHINE_ARCH} == "aarch64"
ATF_TESTS_C+= libkern_crc32
CFLAGS.libkern_crc32+= -DUSERSPACE_TESTING
.if ${MACHINE_ARCH} == "amd64" || ${MACHINE_ARCH} == "i386"
LDADD.libkern_crc32+= ${SRCTOP}/sys/libkern/x86/crc32_sse42.c
.else

7
tests/sys/kern/libkern_crc32.c
View file

@ -27,16 +27,13 @@
*/
#include <sys/param.h>
#include <sys/gsb_crc32.h>
#include <stdint.h>
#include <atf-c.h>
#if defined(__amd64__) || defined(__i386__)
extern uint32_t sse42_crc32c(uint32_t, const unsigned char *, unsigned);
#elif defined(__aarch64__)
extern uint32_t armv8_crc32c(uint32_t, const unsigned char *, unsigned);
#else
#if !defined(__amd64__) && !defined(__i386__) && !defined(__aarch64__)
#error These tests are not supported on this platform
#endif