mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-11-18 18:31:00 +03:00
84a1c48c86
An IBM POWER7 system with Power ISA 2.06 tried to execute zfs_sha256_power8() - which should only be run on ISA 2.07 machines. The detection is implemented via the zfs_isa207_available() call, but this check was not used. This pull request will fix this. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu> Signed-off-by: Tino Reichardt <milky-zfs@mcmilk.de> Signed-off-by: Low-power <msl0000023508@gmail.com> Closes #14576
286 lines
6.5 KiB
C
286 lines
6.5 KiB
C
/*
|
|
* CDDL HEADER START
|
|
*
|
|
* The contents of this file are subject to the terms of the
|
|
* Common Development and Distribution License (the "License").
|
|
* You may not use this file except in compliance with the License.
|
|
*
|
|
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
|
* or https://opensource.org/licenses/CDDL-1.0.
|
|
* See the License for the specific language governing permissions
|
|
* and limitations under the License.
|
|
*
|
|
* When distributing Covered Code, include this CDDL HEADER in each
|
|
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
|
* If applicable, add the following below this CDDL HEADER, with the
|
|
* fields enclosed by brackets "[]" replaced with your own identifying
|
|
* information: Portions Copyright [yyyy] [name of copyright owner]
|
|
*
|
|
* CDDL HEADER END
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2022 Tino Reichardt <milky-zfs@mcmilk.de>
|
|
*/
|
|
|
|
#include <sys/zfs_context.h>
|
|
#include <sys/zfs_impl.h>
|
|
#include <sys/sha2.h>
|
|
#include <sys/simd.h>
|
|
|
|
#include <sha2/sha2_impl.h>
|
|
#include <sys/asm_linkage.h>
|
|
|
|
#define TF(E, N) \
|
|
extern void ASMABI E(uint64_t s[8], const void *, size_t); \
|
|
static inline void N(uint64_t s[8], const void *d, size_t b) { \
|
|
kfpu_begin(); E(s, d, b); kfpu_end(); \
|
|
}
|
|
|
|
/* some implementation is always okay */
|
|
static inline boolean_t sha2_is_supported(void)
|
|
{
|
|
return (B_TRUE);
|
|
}
|
|
|
|
#if defined(__x86_64)
|
|
|
|
/* Users of ASMABI requires all calls to be from wrappers */
|
|
extern void ASMABI
|
|
zfs_sha512_transform_x64(uint64_t s[8], const void *, size_t);
|
|
|
|
static inline void
|
|
tf_sha512_transform_x64(uint64_t s[8], const void *d, size_t b)
|
|
{
|
|
zfs_sha512_transform_x64(s, d, b);
|
|
}
|
|
const sha512_ops_t sha512_x64_impl = {
|
|
.is_supported = sha2_is_supported,
|
|
.transform = tf_sha512_transform_x64,
|
|
.name = "x64"
|
|
};
|
|
|
|
#if defined(HAVE_AVX)
|
|
static boolean_t sha2_have_avx(void)
|
|
{
|
|
return (kfpu_allowed() && zfs_avx_available());
|
|
}
|
|
|
|
TF(zfs_sha512_transform_avx, tf_sha512_avx);
|
|
const sha512_ops_t sha512_avx_impl = {
|
|
.is_supported = sha2_have_avx,
|
|
.transform = tf_sha512_avx,
|
|
.name = "avx"
|
|
};
|
|
#endif
|
|
|
|
#if defined(HAVE_AVX2)
|
|
static boolean_t sha2_have_avx2(void)
|
|
{
|
|
return (kfpu_allowed() && zfs_avx2_available());
|
|
}
|
|
|
|
TF(zfs_sha512_transform_avx2, tf_sha512_avx2);
|
|
const sha512_ops_t sha512_avx2_impl = {
|
|
.is_supported = sha2_have_avx2,
|
|
.transform = tf_sha512_avx2,
|
|
.name = "avx2"
|
|
};
|
|
#endif
|
|
|
|
#elif defined(__aarch64__)
|
|
extern void zfs_sha512_block_armv7(uint64_t s[8], const void *, size_t);
|
|
const sha512_ops_t sha512_armv7_impl = {
|
|
.is_supported = sha2_is_supported,
|
|
.transform = zfs_sha512_block_armv7,
|
|
.name = "armv7"
|
|
};
|
|
|
|
static boolean_t sha512_have_armv8ce(void)
|
|
{
|
|
return (kfpu_allowed() && zfs_sha512_available());
|
|
}
|
|
|
|
TF(zfs_sha512_block_armv8, tf_sha512_armv8ce);
|
|
const sha512_ops_t sha512_armv8_impl = {
|
|
.is_supported = sha512_have_armv8ce,
|
|
.transform = tf_sha512_armv8ce,
|
|
.name = "armv8-ce"
|
|
};
|
|
|
|
#elif defined(__arm__)
|
|
extern void zfs_sha512_block_armv7(uint64_t s[8], const void *, size_t);
|
|
const sha512_ops_t sha512_armv7_impl = {
|
|
.is_supported = sha2_is_supported,
|
|
.transform = zfs_sha512_block_armv7,
|
|
.name = "armv7"
|
|
};
|
|
|
|
static boolean_t sha512_have_neon(void)
|
|
{
|
|
return (kfpu_allowed() && zfs_neon_available());
|
|
}
|
|
|
|
TF(zfs_sha512_block_neon, tf_sha512_neon);
|
|
const sha512_ops_t sha512_neon_impl = {
|
|
.is_supported = sha512_have_neon,
|
|
.transform = tf_sha512_neon,
|
|
.name = "neon"
|
|
};
|
|
|
|
#elif defined(__PPC64__)
|
|
TF(zfs_sha512_ppc, tf_sha512_ppc);
|
|
const sha512_ops_t sha512_ppc_impl = {
|
|
.is_supported = sha2_is_supported,
|
|
.transform = tf_sha512_ppc,
|
|
.name = "ppc"
|
|
};
|
|
|
|
static boolean_t sha512_have_isa207(void)
|
|
{
|
|
return (kfpu_allowed() && zfs_isa207_available());
|
|
}
|
|
|
|
TF(zfs_sha512_power8, tf_sha512_power8);
|
|
const sha512_ops_t sha512_power8_impl = {
|
|
.is_supported = sha512_have_isa207,
|
|
.transform = tf_sha512_power8,
|
|
.name = "power8"
|
|
};
|
|
#endif /* __PPC64__ */
|
|
|
|
/* the two generic ones */
|
|
extern const sha512_ops_t sha512_generic_impl;
|
|
|
|
/* array with all sha512 implementations */
|
|
static const sha512_ops_t *const sha512_impls[] = {
|
|
&sha512_generic_impl,
|
|
#if defined(__x86_64)
|
|
&sha512_x64_impl,
|
|
#endif
|
|
#if defined(__x86_64) && defined(HAVE_AVX)
|
|
&sha512_avx_impl,
|
|
#endif
|
|
#if defined(__x86_64) && defined(HAVE_AVX2)
|
|
&sha512_avx2_impl,
|
|
#endif
|
|
#if defined(__aarch64__)
|
|
&sha512_armv7_impl,
|
|
&sha512_armv8_impl,
|
|
#endif
|
|
#if defined(__arm__)
|
|
&sha512_armv7_impl,
|
|
&sha512_neon_impl,
|
|
#endif
|
|
#if defined(__PPC64__)
|
|
&sha512_ppc_impl,
|
|
&sha512_power8_impl,
|
|
#endif /* __PPC64__ */
|
|
};
|
|
|
|
/* use the generic implementation functions */
|
|
#define IMPL_NAME "sha512"
|
|
#define IMPL_OPS_T sha512_ops_t
|
|
#define IMPL_ARRAY sha512_impls
|
|
#define IMPL_GET_OPS sha512_get_ops
|
|
#define ZFS_IMPL_OPS zfs_sha512_ops
|
|
#include <generic_impl.c>
|
|
|
|
#ifdef _KERNEL
|
|
|
|
#define IMPL_FMT(impl, i) (((impl) == (i)) ? "[%s] " : "%s ")
|
|
|
|
#if defined(__linux__)
|
|
|
|
static int
|
|
sha512_param_get(char *buffer, zfs_kernel_param_t *unused)
|
|
{
|
|
const uint32_t impl = IMPL_READ(generic_impl_chosen);
|
|
char *fmt;
|
|
int cnt = 0;
|
|
|
|
/* cycling */
|
|
fmt = IMPL_FMT(impl, IMPL_CYCLE);
|
|
cnt += sprintf(buffer + cnt, fmt, "cycle");
|
|
|
|
/* list fastest */
|
|
fmt = IMPL_FMT(impl, IMPL_FASTEST);
|
|
cnt += sprintf(buffer + cnt, fmt, "fastest");
|
|
|
|
/* list all supported implementations */
|
|
generic_impl_init();
|
|
for (uint32_t i = 0; i < generic_supp_impls_cnt; ++i) {
|
|
fmt = IMPL_FMT(impl, i);
|
|
cnt += sprintf(buffer + cnt, fmt,
|
|
generic_supp_impls[i]->name);
|
|
}
|
|
|
|
return (cnt);
|
|
}
|
|
|
|
static int
|
|
sha512_param_set(const char *val, zfs_kernel_param_t *unused)
|
|
{
|
|
(void) unused;
|
|
return (generic_impl_setname(val));
|
|
}
|
|
|
|
#elif defined(__FreeBSD__)
|
|
|
|
#include <sys/sbuf.h>
|
|
|
|
static int
|
|
sha512_param(ZFS_MODULE_PARAM_ARGS)
|
|
{
|
|
int err;
|
|
|
|
generic_impl_init();
|
|
if (req->newptr == NULL) {
|
|
const uint32_t impl = IMPL_READ(generic_impl_chosen);
|
|
const int init_buflen = 64;
|
|
const char *fmt;
|
|
struct sbuf *s;
|
|
|
|
s = sbuf_new_for_sysctl(NULL, NULL, init_buflen, req);
|
|
|
|
/* cycling */
|
|
fmt = IMPL_FMT(impl, IMPL_CYCLE);
|
|
(void) sbuf_printf(s, fmt, "cycle");
|
|
|
|
/* list fastest */
|
|
fmt = IMPL_FMT(impl, IMPL_FASTEST);
|
|
(void) sbuf_printf(s, fmt, "fastest");
|
|
|
|
/* list all supported implementations */
|
|
for (uint32_t i = 0; i < generic_supp_impls_cnt; ++i) {
|
|
fmt = IMPL_FMT(impl, i);
|
|
(void) sbuf_printf(s, fmt, generic_supp_impls[i]->name);
|
|
}
|
|
|
|
err = sbuf_finish(s);
|
|
sbuf_delete(s);
|
|
|
|
return (err);
|
|
}
|
|
|
|
/* we got module parameter */
|
|
char buf[16];
|
|
|
|
err = sysctl_handle_string(oidp, buf, sizeof (buf), req);
|
|
if (err) {
|
|
return (err);
|
|
}
|
|
|
|
return (-generic_impl_setname(buf));
|
|
}
|
|
#endif
|
|
|
|
#undef IMPL_FMT
|
|
|
|
ZFS_MODULE_VIRTUAL_PARAM_CALL(zfs, zfs_, sha512_impl,
|
|
sha512_param_set, sha512_param_get, ZMOD_RW, \
|
|
"Select SHA512 implementation.");
|
|
#endif
|
|
|
|
#undef TF
|