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Diffstat (limited to 'usr/src/cmd/avs/dsbitmap/dsbitmap.c')
-rw-r--r--usr/src/cmd/avs/dsbitmap/dsbitmap.c436
1 files changed, 0 insertions, 436 deletions
diff --git a/usr/src/cmd/avs/dsbitmap/dsbitmap.c b/usr/src/cmd/avs/dsbitmap/dsbitmap.c
deleted file mode 100644
index 77c5be7c1f..0000000000
--- a/usr/src/cmd/avs/dsbitmap/dsbitmap.c
+++ /dev/null
@@ -1,436 +0,0 @@
-/*
- * 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 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 2008 Sun Microsystems, Inc. All rights reserved.
- * Use is subject to license terms.
- */
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/dkio.h>
-#include <sys/vtoc.h>
-#include <sys/mkdev.h>
-#ifdef DKIOCPARTITION
-#include <sys/efi_partition.h>
-#endif
-#include <strings.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <stdio.h>
-#include <locale.h>
-#include <unistd.h>
-#include <libgen.h>
-#include <kstat.h>
-
-#include <sys/unistat/spcs_s.h>
-#include <sys/unistat/spcs_s_u.h>
-#include <sys/unistat/spcs_errors.h>
-
-#include <sys/nsctl/dsw.h>
-#include <sys/nsctl/dsw_dev.h>
-#include <sys/nsctl/rdc_io.h>
-#include <sys/nsctl/rdc_bitmap.h>
-
-enum { UNKNOWN = 0, SNDR, II };
-
-static char *program;
-
-void
-usage(void)
-{
- (void) printf(gettext("usage: %s -h\n"), program);
- (void) printf(gettext(" %s { -p | -r } data_volume "
- "[bitmap_volume]\n"), program);
- (void) printf(gettext(" -h : This usage message\n"));
- (void) printf(gettext(" -p : Calculate size of Point in Time "
- "bitmap\n"));
- (void) printf(gettext(" -r : Calculate size of Remote Mirror "
- "bitmap\n"));
-}
-
-
-static void
-message(char *prefix, spcs_s_info_t *status, caddr_t string, va_list ap)
-{
- (void) fprintf(stderr, "%s: %s: ", program, prefix);
- (void) vfprintf(stderr, string, ap);
- (void) fprintf(stderr, "\n");
-
- if (status) {
- spcs_s_report(*status, stderr);
- spcs_s_ufree(status);
- }
-}
-
-
-static void
-error(spcs_s_info_t *status, char *string, ...)
-{
- va_list ap;
- va_start(ap, string);
-
- message(gettext("error"), status, string, ap);
- va_end(ap);
- exit(1);
-}
-
-
-static void
-warn(spcs_s_info_t *status, char *string, ...)
-{
- va_list ap;
- va_start(ap, string);
-
- message(gettext("warning"), status, string, ap);
- va_end(ap);
-}
-
-#if defined(_LP64)
- /* max value of a "long int" */
-#define ULONG_MAX 18446744073709551615UL
-#else /* _ILP32 */
-#define ULONG_MAX 4294967295UL /* max of "unsigned long int" */
-#endif
-
-static uint64_t
-get_partsize(char *partition)
-{
-#ifdef DKIOCPARTITION
- struct dk_cinfo dki_info;
- struct partition64 p64;
-#endif
- struct vtoc vtoc;
- uint64_t size;
- int fd;
- int rc;
-
- if ((fd = open(partition, O_RDONLY)) < 0) {
- error(NULL, gettext("unable to open partition, %s: %s"),
- partition, strerror(errno));
- /* NOTREACHED */
- }
-
- rc = read_vtoc(fd, &vtoc);
- if (rc >= 0) {
- size = (uint64_t)(ULONG_MAX & vtoc.v_part[rc].p_size);
- return (size);
- }
-#ifdef DKIOCPARTITION
- else if (rc != VT_ENOTSUP) {
-#endif
- error(NULL,
- gettext("unable to read the vtoc from partition, %s: %s"),
- partition, strerror(errno));
- /* NOTREACHED */
-#ifdef DKIOCPARTITION
- }
-
- /* See if there is an EFI label */
- rc = ioctl(fd, DKIOCINFO, &dki_info);
- if (rc < 0) {
- error(NULL, gettext("unable to get controller info "
- "from partition, %s: %s"),
- partition, strerror(errno));
- /* NOTREACHED */
- }
-
- bzero(&p64, sizeof (p64));
- p64.p_partno = (uint_t)dki_info.dki_partition;
- rc = ioctl(fd, DKIOCPARTITION, &p64);
- if (rc >= 0) {
- size = (uint64_t)p64.p_size;
- return (size);
- } else {
- struct stat64 stb1, stb2;
- struct dk_minfo dkm;
-
- /*
- * See if the stat64 for ZFS's zvol matches
- * this file descriptor's fstat64 data.
- */
- if (stat64("/devices/pseudo/zfs@0:zfs", &stb1) != 0 ||
- fstat64(fd, &stb2) != 0 ||
- !S_ISCHR(stb1.st_mode) ||
- !S_ISCHR(stb2.st_mode) ||
- major(stb1.st_rdev) != major(stb2.st_rdev)) {
- error(NULL,
- gettext("unable to read disk partition, %s: %s"),
- partition, strerror(errno));
- /* NOTREACHED */
- }
-
- rc = ioctl(fd, DKIOCGMEDIAINFO, (void *)&dkm);
- if (rc >= 0) {
- size = LE_64(dkm.dki_capacity) *
- dkm.dki_lbsize / 512;
- return (size);
- } else {
- error(NULL, gettext("unable to read EFI label "
- "from partition, %s: %s"),
- partition, strerror(errno));
- /* NOTREACHED */
- }
- }
- return (size);
-
-#endif /* DKIOCPARTITION */
-}
-
-
-int
-do_sndr(char *volume, char *bitmap)
-{
- uint64_t vblocks;
- uint64_t bblocks;
- uint64_t bsize_bits; /* size of the bits alone */
- uint64_t bsize_simple; /* size of the simple bitmap */
- uint64_t bsize_diskq; /* size of the diskq bitmap, 8 bit refcnt */
- uint64_t bsize_diskq32; /* size of the diskq bitmap, 32 bit refcnt */
- int rc = 0;
-
- vblocks = get_partsize(volume);
- if (bitmap) {
- bblocks = get_partsize(bitmap);
- }
-
- bsize_bits = BMAP_LOG_BYTES(vblocks);
- bsize_bits = (bsize_bits + 511) / 512;
-
- bsize_simple = RDC_BITMAP_FBA + bsize_bits;
- bsize_diskq = RDC_BITMAP_FBA + bsize_bits + (BITS_IN_BYTE * bsize_bits);
- bsize_diskq32 = RDC_BITMAP_FBA + bsize_bits + (BITS_IN_BYTE *
- bsize_bits * sizeof (unsigned int));
-
- (void) printf(gettext("Remote Mirror bitmap sizing\n\n"));
- (void) printf(gettext("Data volume (%s) size: %llu blocks\n"),
- volume, vblocks);
-
- (void) printf(gettext("Required bitmap volume size:\n"));
- (void) printf(gettext(" Sync replication: %llu blocks\n"),
- bsize_simple);
- (void) printf(gettext(" Async replication with memory queue: "
- "%llu blocks\n"), bsize_simple);
- (void) printf(gettext(" Async replication with disk queue: "
- "%llu blocks\n"), bsize_diskq);
- (void) printf(gettext(" Async replication with disk queue and 32 bit "
- "refcount: %llu blocks\n"), bsize_diskq32);
-
- if (bitmap) {
- (void) printf("\n");
- (void) printf(gettext("Supplied bitmap volume %s "
- "(%llu blocks)\n"),
- bitmap, bblocks);
- if (bblocks >= bsize_diskq32) {
- (void) printf(gettext("is large enough for all "
- "replication modes\n"));
- } else if (bblocks >= bsize_diskq) {
- (void) printf(gettext("is large enough for all "
- "replication modes, but with restricted diskq "
- "reference counts\n"));
- } else if (bblocks >= bsize_simple) {
- (void) printf(gettext(
- "is large enough for: Sync and Async(memory) "
- "replication modes only\n"));
- rc = 3;
- } else {
- (void) printf(gettext(
- "is not large enough for any replication modes\n"));
- rc = 4;
- }
- }
-
- return (rc);
-}
-
-
-/* sizes in bytes */
-#define KILO (1024)
-#define MEGA (KILO * KILO)
-#define GIGA (MEGA * KILO)
-#define TERA ((uint64_t)((uint64_t)GIGA * (uint64_t)KILO))
-
-/* rounding function */
-#define roundup_2n(x, y) (((x) + ((y) - 1)) & (~y))
-
-int
-do_ii(char *volume, char *bitmap)
-{
- const uint64_t int64_bits = sizeof (uint64_t) * BITS_IN_BYTE;
- const uint64_t int32_bits = sizeof (uint32_t) * BITS_IN_BYTE;
- const uint64_t terablocks = TERA / ((uint64_t)FBA_SIZE(1));
- uint64_t vblocks_phys, vblocks;
- uint64_t bblocks;
- uint64_t bsize_ind; /* indep and dep not compact */
- uint64_t bsize_cdep; /* compact dep */
- int rc = 0;
-
- vblocks_phys = get_partsize(volume);
- if (bitmap) {
- bblocks = get_partsize(bitmap);
- }
-
- /* round up to multiple of DSW_SIZE blocks */
- vblocks = roundup_2n(vblocks_phys, DSW_SIZE);
- bsize_ind = DSW_SHD_BM_OFFSET + (2 * DSW_BM_FBA_LEN(vblocks));
- bsize_cdep = bsize_ind;
- bsize_cdep += DSW_BM_FBA_LEN(vblocks) *
- ((vblocks < (uint64_t)(terablocks * DSW_SIZE)) ?
- int32_bits : int64_bits);
-
- (void) printf(gettext("Point in Time bitmap sizing\n\n"));
- (void) printf(gettext("Data volume (%s) size: %llu blocks\n"),
- volume, vblocks_phys);
-
- (void) printf(gettext("Required bitmap volume size:\n"));
- (void) printf(gettext(" Independent shadow: %llu blocks\n"),
- bsize_ind);
- (void) printf(gettext(" Full size dependent shadow: %llu blocks\n"),
- bsize_ind);
- (void) printf(gettext(" Compact dependent shadow: %llu blocks\n"),
- bsize_cdep);
-
- if (bitmap) {
- (void) printf("\n");
- (void) printf(gettext("Supplied bitmap volume %s "
- "(%llu blocks)\n"), bitmap, bblocks);
-
- if (bblocks >= bsize_cdep) {
- (void) printf(gettext("is large enough for all types "
- "of shadow volume\n"));
- } else if (bblocks >= bsize_ind) {
- (void) printf(gettext("is large enough for: "
- "Independent and full size dependent shadow "
- "volumes only\n"));
- rc = 6;
- } else {
- (void) printf(gettext("is not large enough for"
- "any type of shadow volume\n"));
- rc = 5;
- }
- }
-
- return (rc);
-}
-
-
-/*
- * Return codes:
- * 0 success (if bitmap was supplied it is large enough for all uses)
- * 1 usage, programing, or access errors
- * 2 unknown option supplied on command line
- * 3 SNDR bitmap is not large enough for diskq usage
- * 4 SNDR bitmap is not large enough for any usage
- * 5 II bitmap is not large enough for any usage
- * 6 II bitmap is not large enough for compact dependent usage
- */
-int
-main(int argc, char *argv[])
-{
- extern int optind;
- char *volume, *bitmap;
- int type = UNKNOWN;
- int opt;
- int rc = 0;
-
- (void) setlocale(LC_ALL, "");
- (void) textdomain("dsbitmap");
-
- program = strdup(basename(argv[0]));
-
- while ((opt = getopt(argc, argv, "hpr")) != EOF) {
- switch (opt) {
- case 'p':
- if (type != UNKNOWN) {
- warn(NULL, gettext(
- "cannot specify -p with other options"));
- usage();
- return (1);
- }
- type = II;
- break;
-
- case 'r':
- if (type != UNKNOWN) {
- warn(NULL, gettext(
- "cannot specify -r with other options"));
- usage();
- return (1);
- }
- type = SNDR;
- break;
-
- case 'h':
- if (argc != 2) {
- warn(NULL, gettext(
- "cannot specify -h with other options"));
- rc = 1;
- }
- usage();
- return (rc);
- /* NOTREACHED */
-
- default:
- usage();
- return (2);
- /* NOTREACHED */
- }
- }
-
- if (type == UNKNOWN) {
- warn(NULL, gettext("one of -p and -r must be specified"));
- usage();
- return (1);
- }
-
- if ((argc - optind) != 1 && (argc - optind) != 2) {
- warn(NULL, gettext("incorrect number of arguments to %s"),
- (type == SNDR) ? "-r" : "-p");
- usage();
- return (1);
- }
-
- volume = argv[optind];
- if ((argc - optind) == 2) {
- bitmap = argv[optind+1];
- } else {
- bitmap = NULL;
- }
-
- switch (type) {
- case SNDR:
- rc = do_sndr(volume, bitmap);
- break;
-
- case II:
- rc = do_ii(volume, bitmap);
- break;
-
- default:
- /* cannot happen */
- warn(NULL, gettext("one of -p and -r must be specified"));
- rc = 1;
- break;
- }
-
- return (rc);
-}
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-24 21:20:32 +0000