652 lines
13 KiB
C
652 lines
13 KiB
C
/*-
|
|
* Copyright (c) 2004 Lukas Ertl
|
|
* Copyright (c) 1997, 1998, 1999
|
|
* Nan Yang Computer Services Limited. All rights reserved.
|
|
*
|
|
* Parts written by Greg Lehey
|
|
*
|
|
* This software is distributed under the so-called ``Berkeley
|
|
* License'':
|
|
*
|
|
* 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Nan Yang Computer
|
|
* Services Limited.
|
|
* 4. Neither the name of the Company nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* This software is provided ``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 company 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.
|
|
*
|
|
*/
|
|
|
|
/* This file is shared between kernel and userland. */
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#ifdef _KERNEL
|
|
#include <sys/bio.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/kthread.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/systm.h>
|
|
|
|
#include <geom/geom.h>
|
|
#define iswhite(c) (((c) == ' ') || ((c) == '\t'))
|
|
#else
|
|
#include <ctype.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#define iswhite isspace
|
|
#define g_free free
|
|
#endif /* _KERNEL */
|
|
|
|
#include <sys/lock.h>
|
|
#include <sys/mutex.h>
|
|
#include <sys/queue.h>
|
|
|
|
#include <geom/vinum/geom_vinum_var.h>
|
|
#include <geom/vinum/geom_vinum_share.h>
|
|
|
|
/*
|
|
* Take a blank separated list of tokens and turn it into a list of
|
|
* individual nul-delimited strings. Build a list of pointers at
|
|
* token, which must have enough space for the tokens. Return the
|
|
* number of tokens, or -1 on error (typically a missing string
|
|
* delimiter).
|
|
*/
|
|
int
|
|
gv_tokenize(char *cptr, char *token[], int maxtoken)
|
|
{
|
|
int tokennr; /* Index of this token. */
|
|
char delim; /* Delimiter for searching for the partner. */
|
|
|
|
for (tokennr = 0; tokennr < maxtoken;) {
|
|
|
|
/* Skip leading white space. */
|
|
while (iswhite(*cptr))
|
|
cptr++;
|
|
|
|
/* End of line. */
|
|
if ((*cptr == '\0') || (*cptr == '\n') || (*cptr == '#'))
|
|
return tokennr;
|
|
|
|
delim = *cptr;
|
|
token[tokennr] = cptr; /* Point to it. */
|
|
tokennr++; /* One more. */
|
|
|
|
/* Run off the end? */
|
|
if (tokennr == maxtoken)
|
|
return tokennr;
|
|
|
|
/* Quoted? */
|
|
if ((delim == '\'') || (delim == '"')) {
|
|
for (;;) {
|
|
cptr++;
|
|
|
|
/* Found the partner. */
|
|
if ((*cptr == delim) && (cptr[-1] != '\\')) {
|
|
cptr++;
|
|
|
|
/* Space after closing quote needed. */
|
|
if (!iswhite(*cptr))
|
|
return -1;
|
|
|
|
/* Delimit. */
|
|
*cptr++ = '\0';
|
|
|
|
/* End-of-line? */
|
|
} else if ((*cptr == '\0') || (*cptr == '\n'))
|
|
return -1;
|
|
}
|
|
|
|
/* Not quoted. */
|
|
} else {
|
|
while ((*cptr != '\0') &&
|
|
(!iswhite(*cptr)) &&
|
|
(*cptr != '\n'))
|
|
cptr++;
|
|
|
|
/* Not end-of-line; delimit and move to the next. */
|
|
if (*cptr != '\0')
|
|
*cptr++ = '\0';
|
|
}
|
|
}
|
|
|
|
/* Can't get here. */
|
|
return maxtoken;
|
|
}
|
|
|
|
|
|
/*
|
|
* Take a number with an optional scale factor and convert it to a number of
|
|
* bytes.
|
|
*
|
|
* The scale factors are:
|
|
*
|
|
* s sectors (of 512 bytes)
|
|
* b blocks (of 512 bytes). This unit is deprecated, because it's
|
|
* confusing, but maintained to avoid confusing Veritas users.
|
|
* k kilobytes (1024 bytes)
|
|
* m megabytes (of 1024 * 1024 bytes)
|
|
* g gigabytes (of 1024 * 1024 * 1024 bytes)
|
|
*
|
|
* XXX: need a way to signal error
|
|
*/
|
|
off_t
|
|
gv_sizespec(char *spec)
|
|
{
|
|
uint64_t size;
|
|
char *s;
|
|
int sign;
|
|
|
|
size = 0;
|
|
sign = 1;
|
|
if (spec != NULL) { /* we have a parameter */
|
|
s = spec;
|
|
if (*s == '-') { /* negative, */
|
|
sign = -1;
|
|
s++; /* skip */
|
|
}
|
|
|
|
/* It's numeric. */
|
|
if ((*s >= '0') && (*s <= '9')) {
|
|
|
|
/* It's numeric. */
|
|
while ((*s >= '0') && (*s <= '9'))
|
|
/* Convert it. */
|
|
size = size * 10 + *s++ - '0';
|
|
|
|
switch (*s) {
|
|
case '\0':
|
|
return size * sign;
|
|
|
|
case 'B':
|
|
case 'b':
|
|
case 'S':
|
|
case 's':
|
|
return size * sign * 512;
|
|
|
|
case 'K':
|
|
case 'k':
|
|
return size * sign * 1024;
|
|
|
|
case 'M':
|
|
case 'm':
|
|
return size * sign * 1024 * 1024;
|
|
|
|
case 'G':
|
|
case 'g':
|
|
return size * sign * 1024 * 1024 * 1024;
|
|
}
|
|
}
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
const char *
|
|
gv_drivestate(int state)
|
|
{
|
|
switch (state) {
|
|
case GV_DRIVE_DOWN:
|
|
return "down";
|
|
case GV_DRIVE_UP:
|
|
return "up";
|
|
default:
|
|
return "??";
|
|
}
|
|
}
|
|
|
|
int
|
|
gv_drivestatei(char *buf)
|
|
{
|
|
if (!strcmp(buf, "up"))
|
|
return (GV_DRIVE_UP);
|
|
else
|
|
return (GV_DRIVE_DOWN);
|
|
}
|
|
|
|
/* Translate from a string to a subdisk state. */
|
|
int
|
|
gv_sdstatei(char *buf)
|
|
{
|
|
if (!strcmp(buf, "up"))
|
|
return (GV_SD_UP);
|
|
else if (!strcmp(buf, "reviving"))
|
|
return (GV_SD_REVIVING);
|
|
else if (!strcmp(buf, "stale"))
|
|
return (GV_SD_STALE);
|
|
else
|
|
return (GV_SD_DOWN);
|
|
}
|
|
|
|
/* Translate from a subdisk state to a string. */
|
|
const char *
|
|
gv_sdstate(int state)
|
|
{
|
|
switch (state) {
|
|
case GV_SD_INITIALIZING:
|
|
return "initializing";
|
|
case GV_SD_STALE:
|
|
return "stale";
|
|
case GV_SD_DOWN:
|
|
return "down";
|
|
case GV_SD_REVIVING:
|
|
return "reviving";
|
|
case GV_SD_UP:
|
|
return "up";
|
|
default:
|
|
return "??";
|
|
}
|
|
}
|
|
|
|
/* Translate from a string to a plex state. */
|
|
int
|
|
gv_plexstatei(char *buf)
|
|
{
|
|
if (!strcmp(buf, "up"))
|
|
return (GV_PLEX_UP);
|
|
else if (!strcmp(buf, "initializing"))
|
|
return (GV_PLEX_INITIALIZING);
|
|
else if (!strcmp(buf, "degraded"))
|
|
return (GV_PLEX_DEGRADED);
|
|
else
|
|
return (GV_PLEX_DOWN);
|
|
}
|
|
|
|
/* Translate from a plex state to a string. */
|
|
const char *
|
|
gv_plexstate(int state)
|
|
{
|
|
switch (state) {
|
|
case GV_PLEX_DOWN:
|
|
return "down";
|
|
case GV_PLEX_INITIALIZING:
|
|
return "initializing";
|
|
case GV_PLEX_DEGRADED:
|
|
return "degraded";
|
|
case GV_PLEX_UP:
|
|
return "up";
|
|
default:
|
|
return "??";
|
|
}
|
|
}
|
|
|
|
/* Translate from a string to a plex organization. */
|
|
int
|
|
gv_plexorgi(char *buf)
|
|
{
|
|
if (!strcmp(buf, "concat"))
|
|
return (GV_PLEX_CONCAT);
|
|
else if (!strcmp(buf, "striped"))
|
|
return (GV_PLEX_STRIPED);
|
|
else if (!strcmp(buf, "raid5"))
|
|
return (GV_PLEX_RAID5);
|
|
else
|
|
return (GV_PLEX_DISORG);
|
|
}
|
|
|
|
int
|
|
gv_volstatei(char *buf)
|
|
{
|
|
if (!strcmp(buf, "up"))
|
|
return (GV_VOL_UP);
|
|
else
|
|
return (GV_VOL_DOWN);
|
|
}
|
|
|
|
const char *
|
|
gv_volstate(int state)
|
|
{
|
|
switch (state) {
|
|
case GV_VOL_UP:
|
|
return "up";
|
|
case GV_VOL_DOWN:
|
|
return "down";
|
|
default:
|
|
return "??";
|
|
}
|
|
}
|
|
|
|
/* Translate from a plex organization to a string. */
|
|
const char *
|
|
gv_plexorg(int org)
|
|
{
|
|
switch (org) {
|
|
case GV_PLEX_DISORG:
|
|
return "??";
|
|
case GV_PLEX_CONCAT:
|
|
return "concat";
|
|
case GV_PLEX_STRIPED:
|
|
return "striped";
|
|
case GV_PLEX_RAID5:
|
|
return "raid5";
|
|
default:
|
|
return "??";
|
|
}
|
|
}
|
|
|
|
const char *
|
|
gv_plexorg_short(int org)
|
|
{
|
|
switch (org) {
|
|
case GV_PLEX_DISORG:
|
|
return "??";
|
|
case GV_PLEX_CONCAT:
|
|
return "C";
|
|
case GV_PLEX_STRIPED:
|
|
return "S";
|
|
case GV_PLEX_RAID5:
|
|
return "R5";
|
|
default:
|
|
return "??";
|
|
}
|
|
}
|
|
|
|
/* Get a new drive object. */
|
|
struct gv_drive *
|
|
gv_new_drive(int max, char *token[])
|
|
{
|
|
struct gv_drive *d;
|
|
int j, errors;
|
|
char *ptr;
|
|
|
|
if (token[1] == NULL || *token[1] == '\0')
|
|
return (NULL);
|
|
|
|
#ifdef _KERNEL
|
|
d = g_malloc(sizeof(struct gv_drive), M_WAITOK | M_ZERO);
|
|
|
|
#else
|
|
d = malloc(sizeof(struct gv_drive));
|
|
if (d == NULL)
|
|
return (NULL);
|
|
bzero(d, sizeof(struct gv_drive));
|
|
#endif
|
|
|
|
errors = 0;
|
|
for (j = 1; j < max; j++) {
|
|
if (!strcmp(token[j], "state")) {
|
|
j++;
|
|
if (j >= max) {
|
|
errors++;
|
|
break;
|
|
}
|
|
d->state = gv_drivestatei(token[j]);
|
|
} else if (!strcmp(token[j], "device")) {
|
|
j++;
|
|
if (j >= max) {
|
|
errors++;
|
|
break;
|
|
}
|
|
ptr = token[j] + strlen(token[j]);
|
|
while (ptr != token[j] && *ptr != '/')
|
|
ptr--;
|
|
ptr++;
|
|
strncpy(d->device, ptr, GV_MAXDRIVENAME);
|
|
} else {
|
|
/* We assume this is the drive name. */
|
|
strncpy(d->name, token[j], GV_MAXDRIVENAME);
|
|
}
|
|
}
|
|
|
|
if (strlen(d->name) == 0 || strlen(d->device) == 0)
|
|
errors++;
|
|
|
|
if (errors) {
|
|
g_free(d);
|
|
return (NULL);
|
|
}
|
|
|
|
return (d);
|
|
}
|
|
|
|
/* Get a new volume object. */
|
|
struct gv_volume *
|
|
gv_new_volume(int max, char *token[])
|
|
{
|
|
struct gv_volume *v;
|
|
int j, errors;
|
|
|
|
if (token[1] == NULL || *token[1] == '\0')
|
|
return (NULL);
|
|
|
|
#ifdef _KERNEL
|
|
v = g_malloc(sizeof(struct gv_volume), M_WAITOK | M_ZERO);
|
|
|
|
#else
|
|
v = malloc(sizeof(struct gv_volume));
|
|
if (v == NULL)
|
|
return (NULL);
|
|
bzero(v, sizeof(struct gv_volume));
|
|
#endif
|
|
|
|
errors = 0;
|
|
for (j = 1; j < max; j++) {
|
|
if (!strcmp(token[j], "state")) {
|
|
j++;
|
|
if (j >= max) {
|
|
errors++;
|
|
break;
|
|
}
|
|
v->state = gv_volstatei(token[j]);
|
|
} else {
|
|
/* We assume this is the volume name. */
|
|
strncpy(v->name, token[j], GV_MAXVOLNAME);
|
|
}
|
|
}
|
|
|
|
if (strlen(v->name) == 0)
|
|
errors++;
|
|
|
|
if (errors) {
|
|
g_free(v);
|
|
return (NULL);
|
|
}
|
|
|
|
return (v);
|
|
}
|
|
|
|
/* Get a new plex object. */
|
|
struct gv_plex *
|
|
gv_new_plex(int max, char *token[])
|
|
{
|
|
struct gv_plex *p;
|
|
int j, errors;
|
|
|
|
if (token[1] == NULL || *token[1] == '\0')
|
|
return (NULL);
|
|
|
|
#ifdef _KERNEL
|
|
p = g_malloc(sizeof(struct gv_plex), M_WAITOK | M_ZERO);
|
|
#else
|
|
p = malloc(sizeof(struct gv_plex));
|
|
if (p == NULL)
|
|
return (NULL);
|
|
bzero(p, sizeof(struct gv_plex));
|
|
#endif
|
|
|
|
errors = 0;
|
|
for (j = 1; j < max; j++) {
|
|
if (!strcmp(token[j], "name")) {
|
|
j++;
|
|
if (j >= max) {
|
|
errors++;
|
|
break;
|
|
}
|
|
strncpy(p->name, token[j], GV_MAXPLEXNAME);
|
|
} else if (!strcmp(token[j], "org")) {
|
|
j++;
|
|
if (j >= max) {
|
|
errors++;
|
|
break;
|
|
}
|
|
p->org = gv_plexorgi(token[j]);
|
|
if ((p->org == GV_PLEX_RAID5) ||
|
|
(p->org == GV_PLEX_STRIPED)) {
|
|
j++;
|
|
if (j >= max) {
|
|
errors++;
|
|
break;
|
|
}
|
|
p->stripesize = gv_sizespec(token[j]);
|
|
if (p->stripesize == 0) {
|
|
errors++;
|
|
break;
|
|
}
|
|
}
|
|
} else if (!strcmp(token[j], "state")) {
|
|
j++;
|
|
if (j >= max) {
|
|
errors++;
|
|
break;
|
|
}
|
|
p->state = gv_plexstatei(token[j]);
|
|
} else if (!strcmp(token[j], "vol")) {
|
|
j++;
|
|
if (j >= max) {
|
|
errors++;
|
|
break;
|
|
}
|
|
strncpy(p->volume, token[j], GV_MAXVOLNAME);
|
|
} else {
|
|
errors++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (errors) {
|
|
g_free(p);
|
|
return (NULL);
|
|
}
|
|
|
|
return (p);
|
|
}
|
|
|
|
/* Get a new subdisk object. */
|
|
struct gv_sd *
|
|
gv_new_sd(int max, char *token[])
|
|
{
|
|
struct gv_sd *s;
|
|
int j, errors;
|
|
|
|
if (token[1] == NULL || *token[1] == '\0')
|
|
return NULL;
|
|
|
|
#ifdef _KERNEL
|
|
s = g_malloc(sizeof(struct gv_sd), M_WAITOK | M_ZERO);
|
|
#else
|
|
s = malloc(sizeof(struct gv_sd));
|
|
if (s == NULL)
|
|
return NULL;
|
|
bzero(s, sizeof(struct gv_sd));
|
|
#endif
|
|
|
|
s->plex_offset = -1;
|
|
s->size = -1;
|
|
s->drive_offset = -1;
|
|
errors = 0;
|
|
for (j = 1; j < max; j++) {
|
|
if (!strcmp(token[j], "name")) {
|
|
j++;
|
|
if (j >= max) {
|
|
errors++;
|
|
break;
|
|
}
|
|
strncpy(s->name, token[j], GV_MAXSDNAME);
|
|
} else if (!strcmp(token[j], "drive")) {
|
|
j++;
|
|
if (j >= max) {
|
|
errors++;
|
|
break;
|
|
}
|
|
strncpy(s->drive, token[j], GV_MAXDRIVENAME);
|
|
} else if (!strcmp(token[j], "plex")) {
|
|
j++;
|
|
if (j >= max) {
|
|
errors++;
|
|
break;
|
|
}
|
|
strncpy(s->plex, token[j], GV_MAXPLEXNAME);
|
|
} else if (!strcmp(token[j], "state")) {
|
|
j++;
|
|
if (j >= max) {
|
|
errors++;
|
|
break;
|
|
}
|
|
s->state = gv_sdstatei(token[j]);
|
|
} else if (!strcmp(token[j], "len") ||
|
|
!strcmp(token[j], "length")) {
|
|
j++;
|
|
if (j >= max) {
|
|
errors++;
|
|
break;
|
|
}
|
|
s->size = gv_sizespec(token[j]);
|
|
if (s->size <= 0) {
|
|
errors++;
|
|
break;
|
|
}
|
|
} else if (!strcmp(token[j], "driveoffset")) {
|
|
j++;
|
|
if (j >= max) {
|
|
errors++;
|
|
break;
|
|
}
|
|
s->drive_offset = gv_sizespec(token[j]);
|
|
if (s->drive_offset != 0 &&
|
|
s->drive_offset < GV_DATA_START) {
|
|
errors++;
|
|
break;
|
|
}
|
|
} else if (!strcmp(token[j], "plexoffset")) {
|
|
j++;
|
|
if (j >= max) {
|
|
errors++;
|
|
break;
|
|
}
|
|
s->plex_offset = gv_sizespec(token[j]);
|
|
if (s->plex_offset < 0) {
|
|
errors++;
|
|
break;
|
|
}
|
|
} else {
|
|
errors++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (strlen(s->drive) == 0)
|
|
errors++;
|
|
|
|
if (errors) {
|
|
g_free(s);
|
|
return (NULL);
|
|
}
|
|
|
|
return (s);
|
|
}
|