2006-10-14 Yoshinori K. Okuji <okuji@enbug.org>
* DISTLIST: Added commands/echo.c, disk/lvm.c, disk/raid.c,
include/grub/bitmap.h, include/grub/lvm.h, include/grub/raid.h,
include/grub/i386/pc/vbeutil.h, include/grub/util/lvm.h,
include/grub/util/raid.h, util/lvm.c, util/raid.c, video/bitmap.c,
video/readers/tga.c and video/i386/pc/vbeutil.c.
2006-10-14 Jeroen Dekkers <jeroen@dekkers.cx>
Added support for RAID and LVM.
* disk/lvm.c: New file.
* disk/raid.c: Likewise.
* include/grub/lvm.h: Likewise.
* include/grub/raid.h: Likewise.
* include/grub/util/lvm.h: Likewise.
* include/grub/util/raid.h: Likewise.
* util/lvm.c: Likewise.
* util/raid.c: Likewise.
* include/grub/disk.h (grub_disk_dev_id): Add
GRUB_DISK_DEVICE_RAID_ID and GRUB_DISK_DEVICE_LVM_ID.
(grub_disk_get_size): New prototype.
* kern/disk.c (grub_disk_open): Check whether grub_partition_probe()
returns a partition.
(grub_disk_get_size): New function.
* kern/i386/pc/init.c (make_install_device): Copy the prefix
verbatim if grub_install_dos_part is -2.
* util/i386/pc/getroot.c (grub_guess_root_device): Support RAID
and LVM devices.
* util/i386/pc/grub-setup.c (setup): New argument
MUST_EMBED. Force embedding of GRUB when the argument is
true. Close FILE before returning.
(main): Add support for RAID and LVM.
* conf/common.rmk: Add RAID and LVM modules.
* conf/i386-pc.rmk (grub_setup_SOURCES): Add util/raid.c and
util/lvm.c.
(grub_emu_SOURCES): Add disk/raid.c and disk/lvm.c.
* kern/misc.c (grub_strstr): New function.
* include/grub/misc.h (grub_strstr): New prototype.
This commit is contained in:
okuji
parent
050548d018
commit
2b00217369
23 changed files with 2347 additions and 100 deletions
279
util/genmoddep.c
Normal file
279
util/genmoddep.c
Normal file
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@ -0,0 +1,279 @@
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2002 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#define BUF_SIZE 1024
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#define SYMTAB_SIZE 509
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struct symbol
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{
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const char *name;
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const char *mod;
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struct symbol *next;
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};
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struct module
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{
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const char *name;
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struct module *next;
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};
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static char buf[BUF_SIZE];
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static struct symbol *symtab[SYMTAB_SIZE];
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static void
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err (const char *fmt, ...)
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{
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va_list ap;
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fprintf (stderr, "genmoddep: error: ");
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va_start (ap, fmt);
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vfprintf (stderr, fmt, ap);
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va_end (ap);
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fputc ('\n', stderr);
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exit (1);
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}
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static void *
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xmalloc (size_t size)
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{
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void *p;
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p = malloc (size);
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if (! p)
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err ("out of memory");
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return p;
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}
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static char *
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xstrdup (const char *str)
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{
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char *s;
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size_t len;
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len = strlen (str);
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s = (char *) xmalloc (len + 1);
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memcpy (s, str, len + 1);
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return s;
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}
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static void
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chomp (char *str)
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{
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int end;
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end = strlen (str) - 1;
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if (end < 0)
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err ("empty string");
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if (str[end] == '\n')
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str[end] = '\0';
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}
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static unsigned
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symbol_hash (const char *s)
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{
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unsigned key = 0;
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while (*s)
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key = key * 65599 + *s++;
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return (key + (key >> 5)) % SYMTAB_SIZE;
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}
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static struct symbol *
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get_symbol (const char *name)
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{
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unsigned k;
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struct symbol *sym;
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k = symbol_hash (name);
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for (sym = symtab[k]; sym; sym = sym->next)
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if (strcmp (sym->name, name) == 0)
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return sym;
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return 0;
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}
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static void
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add_symbol (const char *name, const char *mod)
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{
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unsigned k;
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struct symbol *sym;
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if (get_symbol (name))
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err ("duplicated symbol: %s", name);
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sym = (struct symbol *) xmalloc (sizeof (*sym));
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sym->name = xstrdup (name);
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sym->mod = xstrdup (mod);
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k = symbol_hash (name);
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sym->next = symtab[k];
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symtab[k] = sym;
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}
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static void
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free_symbols (void)
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{
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int i;
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for (i = 0; i < SYMTAB_SIZE; i++)
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{
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struct symbol *p, *q;
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p = symtab[i];
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while (p)
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{
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q = p->next;
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free ((void *) p->name);
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free ((void *) p->mod);
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free (p);
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p = q;
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}
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}
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}
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static void
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read_defined_symbols (FILE *fp)
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{
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while (fgets (buf, sizeof (buf), fp))
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{
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char *p;
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if (! *buf)
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err ("empty symbol name: %s", buf);
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p = strchr (buf, ' ');
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if (! p)
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err ("invalid line format: %s", buf);
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p++;
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if (! *p)
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err ("empty module name: %s", buf);
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*(p - 1) = '\0';
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chomp (p);
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add_symbol (buf, p);
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}
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}
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static void
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add_module (struct module **head, const char *name)
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{
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struct module *mod;
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for (mod = *head; mod; mod = mod->next)
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if (strcmp (mod->name, name) == 0)
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return;
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mod = (struct module *) xmalloc (sizeof (*mod));
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mod->name = xstrdup (name);
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mod->next = *head;
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*head = mod;
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}
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static void
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free_modules (struct module *head)
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{
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struct module *next;
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while (head)
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{
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next = head->next;
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free ((void *) head->name);
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free (head);
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head = next;
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}
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}
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static void
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find_dependencies (FILE *fp)
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{
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char *mod_name;
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struct module *mod_list = 0;
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struct module *mod;
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if (! fgets (buf, sizeof (buf), fp) || buf[0] == '\n' || buf[0] == '\0')
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err ("no module name");
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chomp (buf);
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mod_name = xstrdup (buf);
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while (fgets (buf, sizeof (buf), fp))
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{
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struct symbol *sym;
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chomp (buf);
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sym = get_symbol (buf);
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if (! sym)
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err ("%s in %s is not defined", buf, mod_name);
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add_module (&mod_list, sym->mod);
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}
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printf ("%s:", mod_name);
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for (mod = mod_list; mod; mod = mod->next)
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if (strcmp (mod->name, "kernel") != 0)
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printf (" %s", mod->name);
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putchar ('\n');
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free_modules (mod_list);
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}
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int
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main (int argc, char *argv[])
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{
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int i;
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/* First, get defined symbols. */
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read_defined_symbols (stdin);
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/* Second, find the dependecies. */
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for (i = 1; i < argc; i++)
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{
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FILE *fp;
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fp = fopen (argv[i], "r");
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if (! fp)
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err ("cannot open %s", argv[i]);
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find_dependencies (fp);
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fclose (fp);
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}
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/* Last, free memory. */
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free_symbols ();
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return 0;
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}
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@ -1,7 +1,7 @@
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/* getroot.c - Get root device */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 1999,2000,2001,2002,2003 Free Software Foundation, Inc.
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* Copyright (C) 1999,2000,2001,2002,2003,2006 Free Software Foundation, Inc.
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*
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* GRUB is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@ -223,5 +223,27 @@ grub_guess_root_device (const char *dir)
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if (! os_dev)
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return 0;
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#ifdef __linux__
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/* Check for LVM. */
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if (!strncmp (os_dev, "/dev/mapper/", 12))
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{
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char *grub_dev = xmalloc (strlen (os_dev) - 12);
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strcpy (grub_dev, os_dev+12);
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return grub_dev;
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}
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if (!strncmp (os_dev, "/dev/md", 7) || !strncmp (os_dev, "/dev/.static/dev/md", 19))
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{
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char *p, *grub_dev = xmalloc (8);
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p = strchr (os_dev, 'm');
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strncpy (grub_dev, p, 8);
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return grub_dev;
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}
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#endif
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return grub_util_biosdisk_get_grub_dev (os_dev);
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}
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@ -32,6 +32,8 @@
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#include <grub/machine/boot.h>
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#include <grub/machine/kernel.h>
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#include <grub/term.h>
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#include <grub/util/raid.h>
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#include <grub/util/lvm.h>
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#include <stdio.h>
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#include <unistd.h>
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@ -91,7 +93,7 @@ grub_refresh (void)
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static void
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setup (const char *prefix, const char *dir,
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const char *boot_file, const char *core_file,
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const char *root, const char *dest)
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const char *root, const char *dest, int must_embed)
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{
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char *boot_path, *core_path;
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char *boot_img, *core_img;
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@ -218,9 +220,12 @@ setup (const char *prefix, const char *dir,
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+ GRUB_KERNEL_MACHINE_PREFIX);
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/* Open the root device and the destination device. */
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root_dev = grub_device_open (root);
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if (! root_dev)
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grub_util_error ("%s", grub_errmsg);
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if (!must_embed)
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{
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root_dev = grub_device_open (root);
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if (! root_dev)
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grub_util_error ("%s", grub_errmsg);
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}
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dest_dev = grub_device_open (dest);
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if (! dest_dev)
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@ -280,7 +285,9 @@ setup (const char *prefix, const char *dir,
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block->segment = 0;
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/* Embed information about the installed location. */
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if (root_dev->disk->partition)
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if (must_embed)
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*install_dos_part = *install_bsd_part = grub_cpu_to_le32 (-2);
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else if (root_dev->disk->partition)
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{
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struct grub_pc_partition *pcdata =
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root_dev->disk->partition->data;
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@ -316,6 +323,9 @@ setup (const char *prefix, const char *dir,
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goto finish;
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}
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}
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else if (must_embed)
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grub_util_error ("Can't embed the core image, but this is required when\n"
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"the root device is on a RAID array or LVM volume.");
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/* The core image must be put on a filesystem unfortunately. */
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grub_util_info ("will leave the core image on the filesystem");
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|
@ -422,6 +432,8 @@ setup (const char *prefix, const char *dir,
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!= (grub_ssize_t) core_size - GRUB_DISK_SECTOR_SIZE)
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grub_util_error ("Failed to read the rest sectors of the core image");
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grub_file_close (file);
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free (core_path);
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free (tmp_img);
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|
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@ -481,7 +493,8 @@ setup (const char *prefix, const char *dir,
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free (core_img);
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free (boot_img);
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grub_device_close (dest_dev);
|
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grub_device_close (root_dev);
|
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if (!must_embed)
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grub_device_close (root_dev);
|
||||
}
|
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|
||||
static struct option options[] =
|
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|
|
@ -548,6 +561,7 @@ main (int argc, char *argv[])
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char *root_dev = 0;
|
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char *prefix;
|
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char *dest_dev;
|
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int must_embed = 0;
|
||||
|
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progname = "grub-setup";
|
||||
|
||||
|
|
@ -678,12 +692,50 @@ main (int argc, char *argv[])
|
|||
}
|
||||
}
|
||||
|
||||
#ifdef __linux__
|
||||
if (grub_util_lvm_isvolume (root_dev))
|
||||
{
|
||||
char *newprefix;
|
||||
must_embed = 1;
|
||||
|
||||
newprefix = xmalloc (1 + strlen (root_dev) + 1 + strlen (prefix) + 1);
|
||||
sprintf (newprefix, "(%s)%s", root_dev, prefix);
|
||||
free (prefix);
|
||||
prefix = newprefix;
|
||||
}
|
||||
|
||||
if (dest_dev[0] == 'm' && dest_dev[1] == 'd'
|
||||
&& dest_dev[2] >= '0' && dest_dev[2] <= '9')
|
||||
{
|
||||
char **devicelist;
|
||||
char *raid_prefix;
|
||||
int i;
|
||||
|
||||
raid_prefix = xmalloc (1 + strlen (dest_dev) + 1 + strlen (prefix) + 1);
|
||||
|
||||
sprintf (raid_prefix, "(%s)%s", dest_dev, prefix);
|
||||
|
||||
devicelist = grub_util_raid_getmembers (dest_dev);
|
||||
|
||||
for (i = 0; devicelist[i]; i++)
|
||||
{
|
||||
setup (raid_prefix,
|
||||
dir ? : DEFAULT_DIRECTORY,
|
||||
boot_file ? : DEFAULT_BOOT_FILE,
|
||||
core_file ? : DEFAULT_CORE_FILE,
|
||||
root_dev, grub_util_biosdisk_get_grub_dev (devicelist[i]), 1);
|
||||
}
|
||||
|
||||
free (raid_prefix);
|
||||
}
|
||||
else
|
||||
#endif
|
||||
/* Do the real work. */
|
||||
setup (prefix,
|
||||
dir ? : DEFAULT_DIRECTORY,
|
||||
boot_file ? : DEFAULT_BOOT_FILE,
|
||||
core_file ? : DEFAULT_CORE_FILE,
|
||||
root_dev, dest_dev);
|
||||
setup (prefix,
|
||||
dir ? : DEFAULT_DIRECTORY,
|
||||
boot_file ? : DEFAULT_BOOT_FILE,
|
||||
core_file ? : DEFAULT_CORE_FILE,
|
||||
root_dev, dest_dev, must_embed);
|
||||
|
||||
/* Free resources. */
|
||||
grub_ext2_fini ();
|
||||
|
|
|
|||
50
util/lvm.c
Normal file
50
util/lvm.c
Normal file
|
|
@ -0,0 +1,50 @@
|
|||
/* lvm.c - LVM support for GRUB utils. */
|
||||
/*
|
||||
* GRUB -- GRand Unified Bootloader
|
||||
* Copyright (C) 2006 Free Software Foundation, Inc.
|
||||
*
|
||||
* GRUB is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with GRUB; if not, write to the Free Software
|
||||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
|
||||
/* We only support LVM on Linux. */
|
||||
#ifdef __linux__
|
||||
|
||||
#include <grub/util/misc.h>
|
||||
|
||||
#include <string.h>
|
||||
#include <sys/stat.h>
|
||||
|
||||
int
|
||||
grub_util_lvm_isvolume (char *name)
|
||||
{
|
||||
char *devname;
|
||||
struct stat st;
|
||||
int err;
|
||||
|
||||
devname = xmalloc (strlen (name) + 13);
|
||||
|
||||
strcpy (devname, "/dev/mapper/");
|
||||
strcpy (devname+12, name);
|
||||
|
||||
err = stat (devname, &st);
|
||||
free (devname);
|
||||
|
||||
if (err)
|
||||
return 0;
|
||||
else
|
||||
return 1;
|
||||
}
|
||||
|
||||
#endif /* ! __linux__ */
|
||||
112
util/raid.c
Normal file
112
util/raid.c
Normal file
|
|
@ -0,0 +1,112 @@
|
|||
/* raid.c - RAID support for GRUB utils. */
|
||||
/*
|
||||
* GRUB -- GRand Unified Bootloader
|
||||
* Copyright (C) 2006 Free Software Foundation, Inc.
|
||||
*
|
||||
* GRUB is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with GRUB; if not, write to the Free Software
|
||||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
|
||||
/* We only support RAID on Linux. */
|
||||
#ifdef __linux__
|
||||
#include <grub/util/misc.h>
|
||||
|
||||
#include <string.h>
|
||||
#include <fcntl.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <errno.h>
|
||||
|
||||
#include <linux/types.h>
|
||||
#include <linux/major.h>
|
||||
#include <linux/raid/md_p.h>
|
||||
#include <linux/raid/md_u.h>
|
||||
|
||||
char *
|
||||
grub_util_getdiskname (int major, int minor)
|
||||
{
|
||||
char *name = xmalloc (15);
|
||||
|
||||
if (major == LOOP_MAJOR)
|
||||
sprintf (name, "/dev/loop%d", minor);
|
||||
else if (major == IDE0_MAJOR)
|
||||
sprintf (name, "/dev/hd%c", 'a' + minor / 64);
|
||||
else if (major == IDE1_MAJOR)
|
||||
sprintf (name, "/dev/hd%c", 'c' + minor / 64);
|
||||
else if (major == IDE2_MAJOR)
|
||||
sprintf (name, "/dev/hd%c", 'e' + minor / 64);
|
||||
else if (major == IDE3_MAJOR)
|
||||
sprintf (name, "/dev/hd%c", 'g' + minor / 64);
|
||||
else if (major == SCSI_DISK0_MAJOR)
|
||||
sprintf (name, "/dev/sd%c", 'a' + minor / 16);
|
||||
else
|
||||
grub_util_error ("Unknown device number: %d, %d", major, minor);
|
||||
|
||||
return name;
|
||||
}
|
||||
|
||||
char **
|
||||
grub_util_raid_getmembers (char *name)
|
||||
{
|
||||
int fd, ret, i, j;
|
||||
char *devname;
|
||||
char **devicelist;
|
||||
mdu_version_t version;
|
||||
mdu_array_info_t info;
|
||||
mdu_disk_info_t disk;
|
||||
|
||||
devname = xmalloc (strlen (name) + 6);
|
||||
strcpy (devname, "/dev/");
|
||||
strcpy (devname+5, name);
|
||||
|
||||
fd = open (devname, O_RDONLY);
|
||||
|
||||
if (fd == -1)
|
||||
grub_util_error ("Can't open %s: %s", devname, strerror (errno));
|
||||
|
||||
free (devname);
|
||||
|
||||
ret = ioctl (fd, RAID_VERSION, &version);
|
||||
if (ret != 0)
|
||||
grub_util_error ("ioctl RAID_VERSION error: %s", strerror (errno));
|
||||
|
||||
if (version.major != 0 || version.minor != 90)
|
||||
grub_util_error ("Unsupported RAID version: %d.%d",
|
||||
version.major, version.minor);
|
||||
|
||||
ret = ioctl (fd, GET_ARRAY_INFO, &info);
|
||||
if (ret != 0)
|
||||
grub_util_error ("ioctl GET_ARRAY_INFO error: %s", strerror (errno));
|
||||
|
||||
devicelist = xmalloc ((info.nr_disks + 1) * sizeof (char *));
|
||||
|
||||
for (i = 0, j = 0; i <info.nr_disks; i++)
|
||||
{
|
||||
disk.number = i;
|
||||
ret = ioctl (fd, GET_DISK_INFO, &disk);
|
||||
if (ret != 0)
|
||||
grub_util_error ("ioctl GET_DISK_INFO error: %s", strerror (errno));
|
||||
|
||||
if (disk.state & (1 << MD_DISK_ACTIVE))
|
||||
{
|
||||
devicelist[j] = grub_util_getdiskname (disk.major, disk.minor);
|
||||
j++;
|
||||
}
|
||||
}
|
||||
|
||||
devicelist[j] = NULL;
|
||||
|
||||
return devicelist;
|
||||
}
|
||||
|
||||
#endif /* ! __linux__ */
|
||||
Loading…
Add table
Add a link
Reference in a new issue