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Diffstat (limited to 'lib/libnandfs/nandfs.c')
-rw-r--r--lib/libnandfs/nandfs.c249
1 files changed, 0 insertions, 249 deletions
diff --git a/lib/libnandfs/nandfs.c b/lib/libnandfs/nandfs.c
deleted file mode 100644
index f1dd771ae8fd..000000000000
--- a/lib/libnandfs/nandfs.c
+++ /dev/null
@@ -1,249 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 2010-2012 Semihalf.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <assert.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <sys/ioctl.h>
-#include <sys/stat.h>
-#include <sys/param.h>
-#include <sys/stdint.h>
-#include <sys/ucred.h>
-#include <sys/disk.h>
-#include <sys/mount.h>
-
-#include <fs/nandfs/nandfs_fs.h>
-#include <libnandfs.h>
-
-#define NANDFS_IS_VALID 0x1
-#define NANDFS_IS_OPENED 0x2
-#define NANDFS_IS_OPENED_DEV 0x4
-#define NANDFS_IS_ERROR 0x8
-
-#define DEBUG
-#undef DEBUG
-#ifdef DEBUG
-#define NANDFS_DEBUG(fmt, args...) do { \
- printf("libnandfs:" fmt "\n", ##args); } while (0)
-#else
-#define NANDFS_DEBUG(fmt, args...)
-#endif
-
-#define NANDFS_ASSERT_VALID(fs) assert((fs)->n_flags & NANDFS_IS_VALID)
-#define NANDFS_ASSERT_VALID_DEV(fs) \
- assert(((fs)->n_flags & (NANDFS_IS_VALID | NANDFS_IS_OPENED_DEV)) == \
- (NANDFS_IS_VALID | NANDFS_IS_OPENED_DEV))
-
-int
-nandfs_iserror(struct nandfs *fs)
-{
-
- NANDFS_ASSERT_VALID(fs);
-
- return (fs->n_flags & NANDFS_IS_ERROR);
-}
-
-const char *
-nandfs_errmsg(struct nandfs *fs)
-{
-
- NANDFS_ASSERT_VALID(fs);
-
- assert(nandfs_iserror(fs));
- assert(fs->n_errmsg);
- return (fs->n_errmsg);
-}
-
-static void
-nandfs_seterr(struct nandfs *fs, const char *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- vsnprintf(fs->n_errmsg, sizeof(fs->n_errmsg), fmt, ap);
- va_end(ap);
- fs->n_flags |= NANDFS_IS_ERROR;
-}
-
-const char *
-nandfs_dev(struct nandfs *fs)
-{
-
- NANDFS_ASSERT_VALID(fs);
- return (fs->n_dev);
-}
-
-void
-nandfs_init(struct nandfs *fs, const char *dir)
-{
-
- snprintf(fs->n_ioc, sizeof(fs->n_ioc), "%s/%s", dir, ".");
- fs->n_iocfd = -1;
- fs->n_flags = NANDFS_IS_VALID;
-}
-
-void
-nandfs_destroy(struct nandfs *fs)
-{
-
- assert(fs->n_iocfd == -1);
- fs->n_flags &=
- ~(NANDFS_IS_ERROR | NANDFS_IS_VALID);
- assert(fs->n_flags == 0);
-}
-
-int
-nandfs_open(struct nandfs *fs)
-{
- struct nandfs_fsinfo fsinfo;
-
- fs->n_flags |= NANDFS_IS_OPENED;
-
- fs->n_iocfd = open(fs->n_ioc, O_RDONLY, S_IRUSR | S_IWUSR | S_IRGRP |
- S_IWGRP | S_IROTH | S_IWOTH);
- if (fs->n_iocfd == -1) {
- nandfs_seterr(fs, "couldn't open %s: %s", fs->n_ioc,
- strerror(errno));
- return (-1);
- }
-
- if (ioctl(fs->n_iocfd, NANDFS_IOCTL_GET_FSINFO, &fsinfo) == -1) {
- nandfs_seterr(fs, "couldn't fetch fsinfo: %s",
- strerror(errno));
- return (-1);
- }
-
- memcpy(&fs->n_fsdata, &fsinfo.fs_fsdata, sizeof(fs->n_fsdata));
- memcpy(&fs->n_sb, &fsinfo.fs_super, sizeof(fs->n_sb));
- snprintf(fs->n_dev, sizeof(fs->n_dev), "%s", fsinfo.fs_dev);
-
- return (0);
-}
-
-void
-nandfs_close(struct nandfs *fs)
-{
-
- NANDFS_ASSERT_VALID(fs);
- assert(fs->n_flags & NANDFS_IS_OPENED);
-
- close(fs->n_iocfd);
- fs->n_iocfd = -1;
- fs->n_flags &= ~NANDFS_IS_OPENED;
-}
-
-int
-nandfs_get_cpstat(struct nandfs *fs, struct nandfs_cpstat *cpstat)
-{
-
- NANDFS_ASSERT_VALID(fs);
-
- if (ioctl(fs->n_iocfd, NANDFS_IOCTL_GET_CPSTAT, cpstat) == -1) {
- nandfs_seterr(fs, "ioctl NANDFS_IOCTL_GET_CPSTAT: %s",
- strerror(errno));
- return (-1);
- }
-
- return (0);
-}
-
-static ssize_t
-nandfs_get_cpinfo(struct nandfs *fs, uint64_t cno, int mode,
- struct nandfs_cpinfo *cpinfo, size_t nci)
-{
- struct nandfs_argv args;
-
- NANDFS_ASSERT_VALID(fs);
-
- args.nv_base = (u_long)cpinfo;
- args.nv_nmembs = nci;
- args.nv_index = cno;
- args.nv_flags = mode;
-
- if (ioctl(fs->n_iocfd, NANDFS_IOCTL_GET_CPINFO, &args) == -1) {
- nandfs_seterr(fs, "ioctl NANDFS_IOCTL_GET_CPINFO: %s",
- strerror(errno));
- return (-1);
- }
-
- return (args.nv_nmembs);
-}
-
-ssize_t
-nandfs_get_cp(struct nandfs *fs, uint64_t cno, struct nandfs_cpinfo *cpinfo,
- size_t nci)
-{
-
- return (nandfs_get_cpinfo(fs, cno, NANDFS_CHECKPOINT, cpinfo, nci));
-}
-
-ssize_t
-nandfs_get_snap(struct nandfs *fs, uint64_t cno, struct nandfs_cpinfo *cpinfo,
- size_t nci)
-{
-
- return (nandfs_get_cpinfo(fs, cno, NANDFS_SNAPSHOT, cpinfo, nci));
-}
-
-int
-nandfs_make_snap(struct nandfs *fs, uint64_t *cno)
-{
-
- NANDFS_ASSERT_VALID(fs);
-
- if (ioctl(fs->n_iocfd, NANDFS_IOCTL_MAKE_SNAP, cno) == -1) {
- nandfs_seterr(fs, "ioctl NANDFS_IOCTL_MAKE_SNAP: %s",
- strerror(errno));
- return (-1);
- }
-
- return (0);
-}
-
-int
-nandfs_delete_snap(struct nandfs *fs, uint64_t cno)
-{
-
- NANDFS_ASSERT_VALID(fs);
-
- if (ioctl(fs->n_iocfd, NANDFS_IOCTL_DELETE_SNAP, &cno) == -1) {
- nandfs_seterr(fs, "ioctl NANDFS_IOCTL_DELETE_SNAP: %s",
- strerror(errno));
- return (-1);
- }
-
- return (0);
-}