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Add convenience wrappers for common uio usage

Browse Source 
The macOS uio struct is opaque and the API must be used, this
makes the smallest changes to the code for all platforms.

Reviewed-by: Matt Macy <mmacy@FreeBSD.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Jorgen Lundman <lundman@lundman.net>
Closes #10412
This commit is contained in:
Jorgen Lundman 2020-06-15 02:09:55 +09:00 committed by GitHub
parent 4f73576ea1
commit 883a40fff4
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
15 changed files with 216 additions and 250 deletions
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33
include/os/freebsd/spl/sys/uio.h
View File

@ -74,4 +74,37 @@ zfs_uiomove(void *cp, size_t n, enum uio_rw dir, uio_t *uio)
int uiocopy(void *p, size_t n, enum uio_rw rw, struct uio *uio, size_t *cbytes);
void uioskip(uio_t *uiop, size_t n);
#define uio_segflg(uio) (uio)->uio_segflg
#define uio_offset(uio) (uio)->uio_loffset
#define uio_resid(uio) (uio)->uio_resid
#define uio_iovcnt(uio) (uio)->uio_iovcnt
#define uio_iovlen(uio, idx) (uio)->uio_iov[(idx)].iov_len
#define uio_iovbase(uio, idx) (uio)->uio_iov[(idx)].iov_base
static inline void
uio_iov_at_index(uio_t *uio, uint_t idx, void **base, uint64_t *len)
{
*base = uio_iovbase(uio, idx);
*len = uio_iovlen(uio, idx);
}
static inline void
uio_advance(uio_t *uio, size_t size)
{
uio->uio_resid -= size;
uio->uio_loffset += size;
}
static inline offset_t
uio_index_at_offset(uio_t *uio, offset_t off, uint_t *vec_idx)
{
*vec_idx = 0;
while (*vec_idx < uio_iovcnt(uio) && off >= uio_iovlen(uio, *vec_idx)) {
off -= uio_iovlen(uio, *vec_idx);
(*vec_idx)++;
}
return (off);
}
#endif /* !_OPENSOLARIS_SYS_UIO_H_ */

33
include/os/linux/spl/sys/uio.h
View File

@ -108,4 +108,37 @@ typedef struct xuio {
#define XUIO_XUZC_PRIV(xuio) xuio->xu_ext.xu_zc.xu_zc_priv
#define XUIO_XUZC_RW(xuio) xuio->xu_ext.xu_zc.xu_zc_rw
#define uio_segflg(uio) (uio)->uio_segflg
#define uio_offset(uio) (uio)->uio_loffset
#define uio_resid(uio) (uio)->uio_resid
#define uio_iovcnt(uio) (uio)->uio_iovcnt
#define uio_iovlen(uio, idx) (uio)->uio_iov[(idx)].iov_len
#define uio_iovbase(uio, idx) (uio)->uio_iov[(idx)].iov_base
static inline void
uio_iov_at_index(uio_t *uio, uint_t idx, void **base, uint64_t *len)
{
*base = uio_iovbase(uio, idx);
*len = uio_iovlen(uio, idx);
}
static inline void
uio_advance(uio_t *uio, size_t size)
{
uio->uio_resid -= size;
uio->uio_loffset += size;
}
static inline offset_t
uio_index_at_offset(uio_t *uio, offset_t off, uint_t *vec_idx)
{
*vec_idx = 0;
while (*vec_idx < uio_iovcnt(uio) && off >= uio_iovlen(uio, *vec_idx)) {
off -= uio_iovlen(uio, *vec_idx);
(*vec_idx)++;
}
return (off);
}
#endif /* SPL_UIO_H */

1
lib/libspl/include/os/freebsd/sys/Makefile.am
View File

@ -7,6 +7,5 @@ libspl_HEADERS = \
$(top_srcdir)/lib/libspl/include/os/freebsd/sys/param.h \
$(top_srcdir)/lib/libspl/include/os/freebsd/sys/stat.h \
$(top_srcdir)/lib/libspl/include/os/freebsd/sys/sysmacros.h \
$(top_srcdir)/lib/libspl/include/os/freebsd/sys/uio.h \
$(top_srcdir)/lib/libspl/include/os/freebsd/sys/vfs.h \
$(top_srcdir)/lib/libspl/include/os/freebsd/sys/zfs_context_os.h

98
lib/libspl/include/os/freebsd/sys/uio.h
View File

@ -1,98 +0,0 @@
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 http://www.opensolaris.org/os/licensing.
* 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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#ifndef _LIBSPL_SYS_UIO_H
#define _LIBSPL_SYS_UIO_H
#include_next <sys/uio.h>
typedef struct iovec iovec_t;
typedef enum uio_seg uio_seg_t;
typedef struct uio {
struct iovec *uio_iov; /* pointer to array of iovecs */
int uio_iovcnt; /* number of iovecs */
offset_t uio_loffset; /* file offset */
uio_seg_t uio_segflg; /* address space (kernel or user) */
uint16_t uio_fmode; /* file mode flags */
uint16_t uio_extflg; /* extended flags */
offset_t uio_limit; /* u-limit (maximum byte offset) */
ssize_t uio_resid; /* residual count */
} uio_t;
typedef enum xuio_type {
UIOTYPE_ASYNCIO,
UIOTYPE_ZEROCOPY,
} xuio_type_t;
#define UIOA_IOV_MAX 16
typedef struct uioa_page_s { /* locked uio_iov state */
int uioa_pfncnt; /* count of pfn_t(s) in *uioa_ppp */
void **uioa_ppp; /* page_t or pfn_t array */
caddr_t uioa_base; /* address base */
size_t uioa_len; /* span length */
} uioa_page_t;
typedef struct xuio {
uio_t xu_uio; /* embedded UIO structure */
/* Extended uio fields */
enum xuio_type xu_type; /* uio type */
union {
struct {
uint32_t xu_a_state; /* state of async i/o */
ssize_t xu_a_mbytes; /* bytes moved */
uioa_page_t *xu_a_lcur; /* uioa_locked[] pointer */
void **xu_a_lppp; /* lcur->uioa_pppp[] pointer */
void *xu_a_hwst[4]; /* opaque hardware state */
uioa_page_t xu_a_locked[UIOA_IOV_MAX];
} xu_aio;
struct {
int xu_zc_rw; /* read or write buffer */
void *xu_zc_priv; /* fs specific */
} xu_zc;
} xu_ext;
} xuio_t;
#define XUIO_XUZC_PRIV(xuio) xuio->xu_ext.xu_zc.xu_zc_priv
#define XUIO_XUZC_RW(xuio) xuio->xu_ext.xu_zc.xu_zc_rw
#endif /* _SYS_UIO_H */

1
lib/libspl/include/os/linux/sys/Makefile.am
View File

@ -7,5 +7,4 @@ libspl_HEADERS = \
$(top_srcdir)/lib/libspl/include/os/linux/sys/param.h \
$(top_srcdir)/lib/libspl/include/os/linux/sys/stat.h \
$(top_srcdir)/lib/libspl/include/os/linux/sys/sysmacros.h \
$(top_srcdir)/lib/libspl/include/os/linux/sys/uio.h \
$(top_srcdir)/lib/libspl/include/os/linux/sys/zfs_context_os.h

1
lib/libspl/include/sys/Makefile.am
View File

@ -39,6 +39,7 @@ libspl_HEADERS = \
$(top_srcdir)/lib/libspl/include/sys/types32.h \
$(top_srcdir)/lib/libspl/include/sys/types.h \
$(top_srcdir)/lib/libspl/include/sys/tzfile.h \
$(top_srcdir)/lib/libspl/include/sys/uio.h \
$(top_srcdir)/lib/libspl/include/sys/va_list.h \
$(top_srcdir)/lib/libspl/include/sys/varargs.h \
$(top_srcdir)/lib/libspl/include/sys/vnode.h \

46
lib/libspl/include/os/linux/sys/uio.h → lib/libspl/include/sys/uio.h
View File

@ -43,9 +43,14 @@
#include <sys/types.h>
#include_next <sys/uio.h>
#ifdef __APPLE__
#include <sys/_types/_iovec_t.h>
#endif
#include <stdint.h>
typedef struct iovec iovec_t;
#if defined(__linux__) || defined(__APPLE__)
typedef enum uio_rw {
UIO_READ = 0,
UIO_WRITE = 1,
@ -57,14 +62,18 @@ typedef enum uio_seg {
UIO_USERISPACE = 2,
} uio_seg_t;
#elif defined(__FreeBSD__)
typedef enum uio_seg uio_seg_t;
#endif
typedef struct uio {
struct iovec *uio_iov; /* pointer to array of iovecs */
int uio_iovcnt; /* number of iovecs */
loff_t uio_loffset; /* file offset */
offset_t uio_loffset; /* file offset */
uio_seg_t uio_segflg; /* address space (kernel or user) */
uint16_t uio_fmode; /* file mode flags */
uint16_t uio_extflg; /* extended flags */
loff_t uio_limit; /* u-limit (maximum byte offset) */
offset_t uio_limit; /* u-limit (maximum byte offset) */
ssize_t uio_resid; /* residual count */
} uio_t;
@ -107,4 +116,37 @@ typedef struct xuio {
#define XUIO_XUZC_PRIV(xuio) xuio->xu_ext.xu_zc.xu_zc_priv
#define XUIO_XUZC_RW(xuio) xuio->xu_ext.xu_zc.xu_zc_rw
#define uio_segflg(uio) (uio)->uio_segflg
#define uio_offset(uio) (uio)->uio_loffset
#define uio_resid(uio) (uio)->uio_resid
#define uio_iovcnt(uio) (uio)->uio_iovcnt
#define uio_iovlen(uio, idx) (uio)->uio_iov[(idx)].iov_len
#define uio_iovbase(uio, idx) (uio)->uio_iov[(idx)].iov_base
static inline void
uio_iov_at_index(uio_t *uio, uint_t idx, void **base, uint64_t *len)
{
*base = uio_iovbase(uio, idx);
*len = uio_iovlen(uio, idx);
}
static inline void
uio_advance(uio_t *uio, size_t size)
{
uio->uio_resid -= size;
uio->uio_loffset += size;
}
static inline offset_t
uio_index_at_offset(uio_t *uio, offset_t off, uint_t *vec_idx)
{
*vec_idx = 0;
while (*vec_idx < uio_iovcnt(uio) && off >= uio_iovlen(uio, *vec_idx)) {
off -= uio_iovlen(uio, *vec_idx);
(*vec_idx)++;
}
return (off);
}
#endif /* _SYS_UIO_H */

30
module/icp/algs/modes/modes.c
View File

@ -44,16 +44,13 @@ crypto_init_ptrs(crypto_data_t *out, void **iov_or_mp, offset_t *current_offset)
case CRYPTO_DATA_UIO: {
uio_t *uiop = out->cd_uio;
uintptr_t vec_idx;
uint_t vec_idx;
offset = out->cd_offset;
for (vec_idx = 0; vec_idx < uiop->uio_iovcnt &&
offset >= uiop->uio_iov[vec_idx].iov_len;
offset -= uiop->uio_iov[vec_idx++].iov_len)
;
offset = uio_index_at_offset(uiop, offset, &vec_idx);
*current_offset = offset;
*iov_or_mp = (void *)vec_idx;
*iov_or_mp = (void *)(uintptr_t)vec_idx;
break;
}
} /* end switch */
@ -89,33 +86,34 @@ crypto_get_ptrs(crypto_data_t *out, void **iov_or_mp, offset_t *current_offset,
case CRYPTO_DATA_UIO: {
uio_t *uio = out->cd_uio;
iovec_t *iov;
offset_t offset;
uintptr_t vec_idx;
uint_t vec_idx;
uint8_t *p;
uint64_t iov_len;
void *iov_base;
offset = *current_offset;
vec_idx = (uintptr_t)(*iov_or_mp);
iov = (iovec_t *)&uio->uio_iov[vec_idx];
p = (uint8_t *)iov->iov_base + offset;
uio_iov_at_index(uio, vec_idx, &iov_base, &iov_len);
p = (uint8_t *)iov_base + offset;
*out_data_1 = p;
if (offset + amt <= iov->iov_len) {
if (offset + amt <= iov_len) {
/* can fit one block into this iov */
*out_data_1_len = amt;
*out_data_2 = NULL;
*current_offset = offset + amt;
} else {
/* one block spans two iovecs */
*out_data_1_len = iov->iov_len - offset;
if (vec_idx == uio->uio_iovcnt)
*out_data_1_len = iov_len - offset;
if (vec_idx == uio_iovcnt(uio))
return;
vec_idx++;
iov = (iovec_t *)&uio->uio_iov[vec_idx];
*out_data_2 = (uint8_t *)iov->iov_base;
uio_iov_at_index(uio, vec_idx, &iov_base, &iov_len);
*out_data_2 = (uint8_t *)iov_base;
*current_offset = amt - *out_data_1_len;
}
*iov_or_mp = (void *)vec_idx;
*iov_or_mp = (void *)(uintptr_t)vec_idx;
break;
}
} /* end switch */

35
module/icp/core/kcf_prov_lib.c
View File

@ -48,7 +48,7 @@ crypto_uio_data(crypto_data_t *data, uchar_t *buf, int len, cmd_type_t cmd,
uchar_t *datap;
ASSERT(data->cd_format == CRYPTO_DATA_UIO);
if (uiop->uio_segflg != UIO_SYSSPACE) {
if (uio_segflg(uiop) != UIO_SYSSPACE) {
return (CRYPTO_ARGUMENTS_BAD);
}
@ -56,12 +56,9 @@ crypto_uio_data(crypto_data_t *data, uchar_t *buf, int len, cmd_type_t cmd,
* Jump to the first iovec containing data to be
* processed.
*/
for (vec_idx = 0; vec_idx < uiop->uio_iovcnt &&
offset >= uiop->uio_iov[vec_idx].iov_len;
offset -= uiop->uio_iov[vec_idx++].iov_len)
;
offset = uio_index_at_offset(uiop, offset, &vec_idx);
if (vec_idx == uiop->uio_iovcnt && length > 0) {
if (vec_idx == uio_iovcnt(uiop) && length > 0) {
/*
* The caller specified an offset that is larger than
* the total size of the buffers it provided.
@ -69,12 +66,11 @@ crypto_uio_data(crypto_data_t *data, uchar_t *buf, int len, cmd_type_t cmd,
return (CRYPTO_DATA_LEN_RANGE);
}
while (vec_idx < uiop->uio_iovcnt && length > 0) {
cur_len = MIN(uiop->uio_iov[vec_idx].iov_len -
while (vec_idx < uio_iovcnt(uiop) && length > 0) {
cur_len = MIN(uio_iovlen(uiop, vec_idx) -
offset, length);
datap = (uchar_t *)(uiop->uio_iov[vec_idx].iov_base +
offset);
datap = (uchar_t *)(uio_iovbase(uiop, vec_idx) + offset);
switch (cmd) {
case COPY_FROM_DATA:
bcopy(datap, buf, cur_len);
@ -101,7 +97,7 @@ crypto_uio_data(crypto_data_t *data, uchar_t *buf, int len, cmd_type_t cmd,
offset = 0;
}
if (vec_idx == uiop->uio_iovcnt && length > 0) {
if (vec_idx == uio_iovcnt(uiop) && length > 0) {
/*
* The end of the specified iovec's was reached but
* the length requested could not be processed.
@ -182,7 +178,7 @@ crypto_update_uio(void *ctx, crypto_data_t *input, crypto_data_t *output,
&common_ctx->cc_iv[0]);
}
if (input->cd_uio->uio_segflg != UIO_SYSSPACE) {
if (uio_segflg(input->cd_uio) != UIO_SYSSPACE) {
return (CRYPTO_ARGUMENTS_BAD);
}
@ -190,11 +186,8 @@ crypto_update_uio(void *ctx, crypto_data_t *input, crypto_data_t *output,
* Jump to the first iovec containing data to be
* processed.
*/
for (vec_idx = 0; vec_idx < uiop->uio_iovcnt &&
offset >= uiop->uio_iov[vec_idx].iov_len;
offset -= uiop->uio_iov[vec_idx++].iov_len)
;
if (vec_idx == uiop->uio_iovcnt && length > 0) {
offset = uio_index_at_offset(uiop, offset, &vec_idx);
if (vec_idx == uio_iovcnt(uiop) && length > 0) {
/*
* The caller specified an offset that is larger than the
* total size of the buffers it provided.
@ -205,11 +198,11 @@ crypto_update_uio(void *ctx, crypto_data_t *input, crypto_data_t *output,
/*
* Now process the iovecs.
*/
while (vec_idx < uiop->uio_iovcnt && length > 0) {
cur_len = MIN(uiop->uio_iov[vec_idx].iov_len -
while (vec_idx < uio_iovcnt(uiop) && length > 0) {
cur_len = MIN(uio_iovlen(uiop, vec_idx) -
offset, length);
int rv = (cipher)(ctx, uiop->uio_iov[vec_idx].iov_base + offset,
int rv = (cipher)(ctx, uio_iovbase(uiop, vec_idx) + offset,
cur_len, output);
if (rv != CRYPTO_SUCCESS) {
@ -220,7 +213,7 @@ crypto_update_uio(void *ctx, crypto_data_t *input, crypto_data_t *output,
offset = 0;
}
if (vec_idx == uiop->uio_iovcnt && length > 0) {
if (vec_idx == uio_iovcnt(uiop) && length > 0) {
/*
* The end of the specified iovec's was reached but
* the length requested could not be processed, i.e.

62
module/icp/io/sha1_mod.c
View File

@ -270,19 +270,15 @@ sha1_digest_update_uio(SHA1_CTX *sha1_ctx, crypto_data_t *data)
size_t cur_len;
/* we support only kernel buffer */
if (data->cd_uio->uio_segflg != UIO_SYSSPACE)
if (uio_segflg(data->cd_uio) != UIO_SYSSPACE)
return (CRYPTO_ARGUMENTS_BAD);
/*
* Jump to the first iovec containing data to be
* digested.
*/
while (vec_idx < data->cd_uio->uio_iovcnt &&
offset >= data->cd_uio->uio_iov[vec_idx].iov_len) {
offset -= data->cd_uio->uio_iov[vec_idx].iov_len;
vec_idx++;
}
if (vec_idx == data->cd_uio->uio_iovcnt) {
offset = uio_index_at_offset(data->cd_uio, offset, &vec_idx);
if (vec_idx == uio_iovcnt(data->cd_uio)) {
/*
* The caller specified an offset that is larger than the
* total size of the buffers it provided.
@ -293,12 +289,12 @@ sha1_digest_update_uio(SHA1_CTX *sha1_ctx, crypto_data_t *data)
/*
* Now do the digesting on the iovecs.
*/
while (vec_idx < data->cd_uio->uio_iovcnt && length > 0) {
cur_len = MIN(data->cd_uio->uio_iov[vec_idx].iov_len -
while (vec_idx < uio_iovcnt(data->cd_uio) && length > 0) {
cur_len = MIN(uio_iovlen(data->cd_uio, vec_idx) -
offset, length);
SHA1Update(sha1_ctx,
(uint8_t *)data->cd_uio->uio_iov[vec_idx].iov_base + offset,
(uint8_t *)uio_iovbase(data->cd_uio, vec_idx) + offset,
cur_len);
length -= cur_len;
@ -306,7 +302,7 @@ sha1_digest_update_uio(SHA1_CTX *sha1_ctx, crypto_data_t *data)
offset = 0;
}
if (vec_idx == data->cd_uio->uio_iovcnt && length > 0) {
if (vec_idx == uio_iovcnt(data->cd_uio) && length > 0) {
/*
* The end of the specified iovec's was reached but
* the length requested could not be processed, i.e.
@ -333,19 +329,15 @@ sha1_digest_final_uio(SHA1_CTX *sha1_ctx, crypto_data_t *digest,
uint_t vec_idx = 0;
/* we support only kernel buffer */
if (digest->cd_uio->uio_segflg != UIO_SYSSPACE)
if (uio_segflg(digest->cd_uio) != UIO_SYSSPACE)
return (CRYPTO_ARGUMENTS_BAD);
/*
* Jump to the first iovec containing ptr to the digest to
* be returned.
*/
while (vec_idx < digest->cd_uio->uio_iovcnt &&
offset >= digest->cd_uio->uio_iov[vec_idx].iov_len) {
offset -= digest->cd_uio->uio_iov[vec_idx].iov_len;
vec_idx++;
}
if (vec_idx == digest->cd_uio->uio_iovcnt) {
offset = uio_index_at_offset(digest->cd_uio, offset, &vec_idx);
if (vec_idx == uio_iovcnt(digest->cd_uio)) {
/*
* The caller specified an offset that is
* larger than the total size of the buffers
@ -355,7 +347,7 @@ sha1_digest_final_uio(SHA1_CTX *sha1_ctx, crypto_data_t *digest,
}
if (offset + digest_len <=
digest->cd_uio->uio_iov[vec_idx].iov_len) {
uio_iovlen(digest->cd_uio, vec_idx)) {
/*
* The computed SHA1 digest will fit in the current
* iovec.
@ -367,12 +359,12 @@ sha1_digest_final_uio(SHA1_CTX *sha1_ctx, crypto_data_t *digest,
* the user only what was requested.
*/
SHA1Final(digest_scratch, sha1_ctx);
bcopy(digest_scratch, (uchar_t *)digest->
cd_uio->uio_iov[vec_idx].iov_base + offset,
bcopy(digest_scratch, (uchar_t *)uio_iovbase(digest->
cd_uio, vec_idx) + offset,
digest_len);
} else {
SHA1Final((uchar_t *)digest->
cd_uio->uio_iov[vec_idx].iov_base + offset,
SHA1Final((uchar_t *)uio_iovbase(digest->
cd_uio, vec_idx) + offset,
sha1_ctx);
}
} else {
@ -389,11 +381,11 @@ sha1_digest_final_uio(SHA1_CTX *sha1_ctx, crypto_data_t *digest,
SHA1Final(digest_tmp, sha1_ctx);
while (vec_idx < digest->cd_uio->uio_iovcnt && length > 0) {
cur_len = MIN(digest->cd_uio->uio_iov[vec_idx].iov_len -
while (vec_idx < uio_iovcnt(digest->cd_uio) && length > 0) {
cur_len = MIN(uio_iovlen(digest->cd_uio, vec_idx) -
offset, length);
bcopy(digest_tmp + scratch_offset,
digest->cd_uio->uio_iov[vec_idx].iov_base + offset,
uio_iovbase(digest->cd_uio, vec_idx) + offset,
cur_len);
length -= cur_len;
@ -402,7 +394,7 @@ sha1_digest_final_uio(SHA1_CTX *sha1_ctx, crypto_data_t *digest,
offset = 0;
}
if (vec_idx == digest->cd_uio->uio_iovcnt && length > 0) {
if (vec_idx == uio_iovcnt(digest->cd_uio) && length > 0) {
/*
* The end of the specified iovec's was reached but
* the length requested could not be processed, i.e.
@ -1103,16 +1095,12 @@ sha1_mac_verify_atomic(crypto_provider_handle_t provider,
size_t cur_len;
/* we support only kernel buffer */
if (mac->cd_uio->uio_segflg != UIO_SYSSPACE)
if (uio_segflg(mac->cd_uio) != UIO_SYSSPACE)
return (CRYPTO_ARGUMENTS_BAD);
/* jump to the first iovec containing the expected digest */
while (vec_idx < mac->cd_uio->uio_iovcnt &&
offset >= mac->cd_uio->uio_iov[vec_idx].iov_len) {
offset -= mac->cd_uio->uio_iov[vec_idx].iov_len;
vec_idx++;
}
if (vec_idx == mac->cd_uio->uio_iovcnt) {
offset = uio_index_at_offset(mac->cd_uio, offset, &vec_idx);
if (vec_idx == uio_iovcnt(mac->cd_uio)) {
/*
* The caller specified an offset that is
* larger than the total size of the buffers
@ -1123,12 +1111,12 @@ sha1_mac_verify_atomic(crypto_provider_handle_t provider,
}
/* do the comparison of computed digest vs specified one */
while (vec_idx < mac->cd_uio->uio_iovcnt && length > 0) {
cur_len = MIN(mac->cd_uio->uio_iov[vec_idx].iov_len -
while (vec_idx < uio_iovcnt(mac->cd_uio) && length > 0) {
cur_len = MIN(uio_iovlen(mac->cd_uio, vec_idx) -
offset, length);
if (bcmp(digest + scratch_offset,
mac->cd_uio->uio_iov[vec_idx].iov_base + offset,
uio_iovbase(mac->cd_uio, vec_idx) + offset,
cur_len) != 0) {
ret = CRYPTO_INVALID_MAC;
break;

64
module/icp/io/sha2_mod.c
View File

@ -296,19 +296,15 @@ sha2_digest_update_uio(SHA2_CTX *sha2_ctx, crypto_data_t *data)
size_t cur_len;
/* we support only kernel buffer */
if (data->cd_uio->uio_segflg != UIO_SYSSPACE)
if (uio_segflg(data->cd_uio) != UIO_SYSSPACE)
return (CRYPTO_ARGUMENTS_BAD);
/*
* Jump to the first iovec containing data to be
* digested.
*/
while (vec_idx < data->cd_uio->uio_iovcnt &&
offset >= data->cd_uio->uio_iov[vec_idx].iov_len) {
offset -= data->cd_uio->uio_iov[vec_idx].iov_len;
vec_idx++;
}
if (vec_idx == data->cd_uio->uio_iovcnt) {
offset = uio_index_at_offset(data->cd_uio, offset, &vec_idx);
if (vec_idx == uio_iovcnt(data->cd_uio)) {
/*
* The caller specified an offset that is larger than the
* total size of the buffers it provided.
@ -319,18 +315,18 @@ sha2_digest_update_uio(SHA2_CTX *sha2_ctx, crypto_data_t *data)
/*
* Now do the digesting on the iovecs.
*/
while (vec_idx < data->cd_uio->uio_iovcnt && length > 0) {
cur_len = MIN(data->cd_uio->uio_iov[vec_idx].iov_len -
while (vec_idx < uio_iovcnt(data->cd_uio) && length > 0) {
cur_len = MIN(uio_iovlen(data->cd_uio, vec_idx) -
offset, length);
SHA2Update(sha2_ctx, (uint8_t *)data->cd_uio->
uio_iov[vec_idx].iov_base + offset, cur_len);
SHA2Update(sha2_ctx, (uint8_t *)uio_iovbase(data->cd_uio,
vec_idx) + offset, cur_len);
length -= cur_len;
vec_idx++;
offset = 0;
}
if (vec_idx == data->cd_uio->uio_iovcnt && length > 0) {
if (vec_idx == uio_iovcnt(data->cd_uio) && length > 0) {
/*
* The end of the specified iovec's was reached but
* the length requested could not be processed, i.e.
@ -357,19 +353,15 @@ sha2_digest_final_uio(SHA2_CTX *sha2_ctx, crypto_data_t *digest,
uint_t vec_idx = 0;
/* we support only kernel buffer */
if (digest->cd_uio->uio_segflg != UIO_SYSSPACE)
if (uio_segflg(digest->cd_uio) != UIO_SYSSPACE)
return (CRYPTO_ARGUMENTS_BAD);
/*
* Jump to the first iovec containing ptr to the digest to
* be returned.
*/
while (vec_idx < digest->cd_uio->uio_iovcnt &&
offset >= digest->cd_uio->uio_iov[vec_idx].iov_len) {
offset -= digest->cd_uio->uio_iov[vec_idx].iov_len;
vec_idx++;
}
if (vec_idx == digest->cd_uio->uio_iovcnt) {
offset = uio_index_at_offset(digest->cd_uio, offset, &vec_idx);
if (vec_idx == uio_iovcnt(digest->cd_uio)) {
/*
* The caller specified an offset that is
* larger than the total size of the buffers
@ -379,7 +371,7 @@ sha2_digest_final_uio(SHA2_CTX *sha2_ctx, crypto_data_t *digest,
}
if (offset + digest_len <=
digest->cd_uio->uio_iov[vec_idx].iov_len) {
uio_iovlen(digest->cd_uio, vec_idx)) {
/*
* The computed SHA2 digest will fit in the current
* iovec.
@ -395,12 +387,12 @@ sha2_digest_final_uio(SHA2_CTX *sha2_ctx, crypto_data_t *digest,
*/
SHA2Final(digest_scratch, sha2_ctx);
bcopy(digest_scratch, (uchar_t *)digest->
cd_uio->uio_iov[vec_idx].iov_base + offset,
bcopy(digest_scratch, (uchar_t *)uio_iovbase(digest->
cd_uio, vec_idx) + offset,
digest_len);
} else {
SHA2Final((uchar_t *)digest->
cd_uio->uio_iov[vec_idx].iov_base + offset,
SHA2Final((uchar_t *)uio_iovbase(digest->
cd_uio, vec_idx) + offset,
sha2_ctx);
}
@ -418,12 +410,12 @@ sha2_digest_final_uio(SHA2_CTX *sha2_ctx, crypto_data_t *digest,
SHA2Final(digest_tmp, sha2_ctx);
while (vec_idx < digest->cd_uio->uio_iovcnt && length > 0) {
while (vec_idx < uio_iovcnt(digest->cd_uio) && length > 0) {
cur_len =
MIN(digest->cd_uio->uio_iov[vec_idx].iov_len -
MIN(uio_iovlen(digest->cd_uio, vec_idx) -
offset, length);
bcopy(digest_tmp + scratch_offset,
digest->cd_uio->uio_iov[vec_idx].iov_base + offset,
uio_iovbase(digest->cd_uio, vec_idx) + offset,
cur_len);
length -= cur_len;
@ -432,7 +424,7 @@ sha2_digest_final_uio(SHA2_CTX *sha2_ctx, crypto_data_t *digest,
offset = 0;
}
if (vec_idx == digest->cd_uio->uio_iovcnt && length > 0) {
if (vec_idx == uio_iovcnt(digest->cd_uio) && length > 0) {
/*
* The end of the specified iovec's was reached but
* the length requested could not be processed, i.e.
@ -1259,16 +1251,12 @@ sha2_mac_verify_atomic(crypto_provider_handle_t provider,
size_t cur_len;
/* we support only kernel buffer */
if (mac->cd_uio->uio_segflg != UIO_SYSSPACE)
if (uio_segflg(mac->cd_uio) != UIO_SYSSPACE)
return (CRYPTO_ARGUMENTS_BAD);
/* jump to the first iovec containing the expected digest */
while (vec_idx < mac->cd_uio->uio_iovcnt &&
offset >= mac->cd_uio->uio_iov[vec_idx].iov_len) {
offset -= mac->cd_uio->uio_iov[vec_idx].iov_len;
vec_idx++;
}
if (vec_idx == mac->cd_uio->uio_iovcnt) {
offset = uio_index_at_offset(mac->cd_uio, offset, &vec_idx);
if (vec_idx == uio_iovcnt(mac->cd_uio)) {
/*
* The caller specified an offset that is
* larger than the total size of the buffers
@ -1279,12 +1267,12 @@ sha2_mac_verify_atomic(crypto_provider_handle_t provider,
}
/* do the comparison of computed digest vs specified one */
while (vec_idx < mac->cd_uio->uio_iovcnt && length > 0) {
cur_len = MIN(mac->cd_uio->uio_iov[vec_idx].iov_len -
while (vec_idx < uio_iovcnt(mac->cd_uio) && length > 0) {
cur_len = MIN(uio_iovlen(mac->cd_uio, vec_idx) -
offset, length);
if (bcmp(digest + scratch_offset,
mac->cd_uio->uio_iov[vec_idx].iov_base + offset,
uio_iovbase(mac->cd_uio, vec_idx) + offset,
cur_len) != 0) {
ret = CRYPTO_INVALID_MAC;
break;

42
module/icp/io/skein_mod.c
View File

@ -271,22 +271,18 @@ skein_digest_update_uio(skein_ctx_t *ctx, const crypto_data_t *data)
size_t length = data->cd_length;
uint_t vec_idx = 0;
size_t cur_len;
const uio_t *uio = data->cd_uio;
uio_t *uio = data->cd_uio;
/* we support only kernel buffer */
if (uio->uio_segflg != UIO_SYSSPACE)
if (uio_segflg(uio) != UIO_SYSSPACE)
return (CRYPTO_ARGUMENTS_BAD);
/*
* Jump to the first iovec containing data to be
* digested.
*/
while (vec_idx < uio->uio_iovcnt &&
offset >= uio->uio_iov[vec_idx].iov_len) {
offset -= uio->uio_iov[vec_idx].iov_len;
vec_idx++;
}
if (vec_idx == uio->uio_iovcnt) {
offset = uio_index_at_offset(uio, offset, &vec_idx);
if (vec_idx == uio_iovcnt(uio)) {
/*
* The caller specified an offset that is larger than the
* total size of the buffers it provided.
@ -297,16 +293,16 @@ skein_digest_update_uio(skein_ctx_t *ctx, const crypto_data_t *data)
/*
* Now do the digesting on the iovecs.
*/
while (vec_idx < uio->uio_iovcnt && length > 0) {
cur_len = MIN(uio->uio_iov[vec_idx].iov_len - offset, length);
SKEIN_OP(ctx, Update, (uint8_t *)uio->uio_iov[vec_idx].iov_base
while (vec_idx < uio_iovcnt(uio) && length > 0) {
cur_len = MIN(uio_iovlen(uio, vec_idx) - offset, length);
SKEIN_OP(ctx, Update, (uint8_t *)uio_iovbase(uio, vec_idx)
+ offset, cur_len);
length -= cur_len;
vec_idx++;
offset = 0;
}
if (vec_idx == uio->uio_iovcnt && length > 0) {
if (vec_idx == uio_iovcnt(uio) && length > 0) {
/*
* The end of the specified iovec's was reached but
* the length requested could not be processed, i.e.
@ -330,18 +326,14 @@ skein_digest_final_uio(skein_ctx_t *ctx, crypto_data_t *digest,
uio_t *uio = digest->cd_uio;
/* we support only kernel buffer */
if (uio->uio_segflg != UIO_SYSSPACE)
if (uio_segflg(uio) != UIO_SYSSPACE)
return (CRYPTO_ARGUMENTS_BAD);
/*
* Jump to the first iovec containing ptr to the digest to be returned.
*/
while (vec_idx < uio->uio_iovcnt &&
offset >= uio->uio_iov[vec_idx].iov_len) {
offset -= uio->uio_iov[vec_idx].iov_len;
vec_idx++;
}
if (vec_idx == uio->uio_iovcnt) {
offset = uio_index_at_offset(uio, offset, &vec_idx);
if (vec_idx == uio_iovcnt(uio)) {
/*
* The caller specified an offset that is larger than the
* total size of the buffers it provided.
@ -349,10 +341,10 @@ skein_digest_final_uio(skein_ctx_t *ctx, crypto_data_t *digest,
return (CRYPTO_DATA_LEN_RANGE);
}
if (offset + CRYPTO_BITS2BYTES(ctx->sc_digest_bitlen) <=
uio->uio_iov[vec_idx].iov_len) {
uio_iovlen(uio, vec_idx)) {
/* The computed digest will fit in the current iovec. */
SKEIN_OP(ctx, Final,
(uchar_t *)uio->uio_iov[vec_idx].iov_base + offset);
(uchar_t *)uio_iovbase(uio, vec_idx) + offset);
} else {
uint8_t *digest_tmp;
off_t scratch_offset = 0;
@ -364,11 +356,11 @@ skein_digest_final_uio(skein_ctx_t *ctx, crypto_data_t *digest,
if (digest_tmp == NULL)
return (CRYPTO_HOST_MEMORY);
SKEIN_OP(ctx, Final, digest_tmp);
while (vec_idx < uio->uio_iovcnt && length > 0) {
cur_len = MIN(uio->uio_iov[vec_idx].iov_len - offset,
while (vec_idx < uio_iovcnt(uio) && length > 0) {
cur_len = MIN(uio_iovlen(uio, vec_idx) - offset,
length);
bcopy(digest_tmp + scratch_offset,
uio->uio_iov[vec_idx].iov_base + offset, cur_len);
uio_iovbase(uio, vec_idx) + offset, cur_len);
length -= cur_len;
vec_idx++;
@ -377,7 +369,7 @@ skein_digest_final_uio(skein_ctx_t *ctx, crypto_data_t *digest,
}
kmem_free(digest_tmp, CRYPTO_BITS2BYTES(ctx->sc_digest_bitlen));
if (vec_idx == uio->uio_iovcnt && length > 0) {
if (vec_idx == uio_iovcnt(uio) && length > 0) {
/*
* The end of the specified iovec's was reached but
* the length requested could not be processed, i.e.

14
module/zfs/dmu.c
View File

@ -1327,7 +1327,7 @@ dmu_read_uio_dnode(dnode_t *dn, uio_t *uio, uint64_t size)
* NB: we could do this block-at-a-time, but it's nice
* to be reading in parallel.
*/
err = dmu_buf_hold_array_by_dnode(dn, uio->uio_loffset, size,
err = dmu_buf_hold_array_by_dnode(dn, uio_offset(uio), size,
TRUE, FTAG, &numbufs, &dbp, 0);
if (err)
return (err);
@ -1339,7 +1339,7 @@ dmu_read_uio_dnode(dnode_t *dn, uio_t *uio, uint64_t size)
ASSERT(size > 0);
bufoff = uio->uio_loffset - db->db_offset;
bufoff = uio_offset(uio) - db->db_offset;
tocpy = MIN(db->db_size - bufoff, size);
#ifdef HAVE_UIO_ZEROCOPY
@ -1348,10 +1348,8 @@ dmu_read_uio_dnode(dnode_t *dn, uio_t *uio, uint64_t size)
arc_buf_t *dbuf_abuf = dbi->db_buf;
arc_buf_t *abuf = dbuf_loan_arcbuf(dbi);
err = dmu_xuio_add(xuio, abuf, bufoff, tocpy);
if (!err) {
uio->uio_resid -= tocpy;
uio->uio_loffset += tocpy;
}
if (!err)
uio_advance(uio, tocpy);
if (abuf == dbuf_abuf)
XUIOSTAT_BUMP(xuiostat_rbuf_nocopy);
@ -1436,7 +1434,7 @@ dmu_write_uio_dnode(dnode_t *dn, uio_t *uio, uint64_t size, dmu_tx_t *tx)
int err = 0;
int i;
err = dmu_buf_hold_array_by_dnode(dn, uio->uio_loffset, size,
err = dmu_buf_hold_array_by_dnode(dn, uio_offset(uio), size,
FALSE, FTAG, &numbufs, &dbp, DMU_READ_PREFETCH);
if (err)
return (err);
@ -1448,7 +1446,7 @@ dmu_write_uio_dnode(dnode_t *dn, uio_t *uio, uint64_t size, dmu_tx_t *tx)
ASSERT(size > 0);
bufoff = uio->uio_loffset - db->db_offset;
bufoff = uio_offset(uio) - db->db_offset;
tocpy = MIN(db->db_size - bufoff, size);
ASSERT(i == 0 || i == numbufs-1 || tocpy == db->db_size);

2
module/zfs/sa.c
View File

@ -1517,7 +1517,7 @@ sa_lookup_uio(sa_handle_t *hdl, sa_attr_type_t attr, uio_t *uio)
mutex_enter(&hdl->sa_lock);
if ((error = sa_attr_op(hdl, &bulk, 1, SA_LOOKUP, NULL)) == 0) {
error = uiomove((void *)bulk.sa_addr, MIN(bulk.sa_size,
uio->uio_resid), UIO_READ, uio);
uio_resid(uio)), UIO_READ, uio);
}
mutex_exit(&hdl->sa_lock);
return (error);

4
module/zfs/zfs_sa.c
View File

@ -81,13 +81,13 @@ zfs_sa_readlink(znode_t *zp, uio_t *uio)
if (bufsz + ZFS_OLD_ZNODE_PHYS_SIZE <= db->db_size) {
error = uiomove((caddr_t)db->db_data +
ZFS_OLD_ZNODE_PHYS_SIZE,
MIN((size_t)bufsz, uio->uio_resid), UIO_READ, uio);
MIN((size_t)bufsz, uio_resid(uio)), UIO_READ, uio);
} else {
dmu_buf_t *dbp;
if ((error = dmu_buf_hold(ZTOZSB(zp)->z_os, zp->z_id,
0, FTAG, &dbp, DMU_READ_NO_PREFETCH)) == 0) {
error = uiomove(dbp->db_data,
MIN((size_t)bufsz, uio->uio_resid), UIO_READ, uio);
MIN((size_t)bufsz, uio_resid(uio)), UIO_READ, uio);
dmu_buf_rele(dbp, FTAG);
}
}