Remove nested functions from device iterators.

* include/grub/arc/arc.h (grub_arc_iterate_devs_hook_t): New type.
(grub_arc_iterate_devs): Add hook_data argument.
* include/grub/ata.h (grub_ata_dev_iterate_hook_t): New type.
(struct grub_ata_dev.iterate): Add hook_data argument.
* include/grub/device.h (grub_device_iterate_hook_t): New type.
(grub_device_iterate): Add hook_data argument.
* include/grub/disk.h (grub_disk_dev_iterate_hook_t): New type.
(struct grub_disk_dev.iterate): Add hook_data argument.
(grub_disk_dev_iterate): Likewise.
* include/grub/gpt_partition.h (grub_gpt_partition_map_iterate):
Likewise.
* include/grub/msdos_partition.h (grub_partition_msdos_iterate):
Likewise.
* include/grub/partition.h (grub_partition_iterate_hook_t): New
type.
(struct grub_partition_map.iterate): Add hook_data argument.
(grub_partition_iterate): Likewise.
* include/grub/scsi.h (grub_scsi_dev_iterate_hook_t): New type.
(struct grub_scsi_dev.iterate): Add hook_data argument.

Update all callers.
This commit is contained in:
Colin Watson 2013-01-20 15:52:15 +00:00
parent 6c0314d638
commit 25239370fd
50 changed files with 1455 additions and 1165 deletions

View File

@ -1,3 +1,29 @@
2013-01-20 Colin Watson <cjwatson@ubuntu.com>
Remove nested functions from device iterators.
* include/grub/arc/arc.h (grub_arc_iterate_devs_hook_t): New type.
(grub_arc_iterate_devs): Add hook_data argument.
* include/grub/ata.h (grub_ata_dev_iterate_hook_t): New type.
(struct grub_ata_dev.iterate): Add hook_data argument.
* include/grub/device.h (grub_device_iterate_hook_t): New type.
(grub_device_iterate): Add hook_data argument.
* include/grub/disk.h (grub_disk_dev_iterate_hook_t): New type.
(struct grub_disk_dev.iterate): Add hook_data argument.
(grub_disk_dev_iterate): Likewise.
* include/grub/gpt_partition.h (grub_gpt_partition_map_iterate):
Likewise.
* include/grub/msdos_partition.h (grub_partition_msdos_iterate):
Likewise.
* include/grub/partition.h (grub_partition_iterate_hook_t): New
type.
(struct grub_partition_map.iterate): Add hook_data argument.
(grub_partition_iterate): Likewise.
* include/grub/scsi.h (grub_scsi_dev_iterate_hook_t): New type.
(struct grub_scsi_dev.iterate): Add hook_data argument.
Update all callers.
2013-01-20 Colin Watson <cjwatson@ubuntu.com>
Fix typos for "developer" and "development".

View File

@ -24,18 +24,22 @@
GRUB_MOD_LICENSE ("GPLv3+");
/* Helper for grub_cmd_lsdev. */
static int
grub_cmd_lsdev_iter (const char *name,
const struct grub_arc_component *comp __attribute__ ((unused)),
void *data __attribute__ ((unused)))
{
grub_printf ("%s\n", name);
return 0;
}
static grub_err_t
grub_cmd_lsdev (grub_command_t cmd __attribute__ ((unused)),
int argc __attribute__ ((unused)),
char **args __attribute__ ((unused)))
{
auto int hook (const char *name, const struct grub_arc_component *comp);
int hook (const char *name, const struct grub_arc_component *comp __attribute__ ((unused)))
{
grub_printf ("%s\n", name);
return 0;
}
grub_arc_iterate_devs (hook, 0);
grub_arc_iterate_devs (grub_cmd_lsdev_iter, 0, 0);
return 0;
}

View File

@ -45,21 +45,24 @@ static const struct grub_arg_option options[] =
static const char grub_human_sizes[] = {' ', 'K', 'M', 'G', 'T'};
/* Helper for grub_ls_list_devices. */
static int
grub_ls_print_devices (const char *name, void *data)
{
int *longlist = data;
if (longlist)
grub_normal_print_device_info (name);
else
grub_printf ("(%s) ", name);
return 0;
}
static grub_err_t
grub_ls_list_devices (int longlist)
{
auto int grub_ls_print_devices (const char *name);
int grub_ls_print_devices (const char *name)
{
if (longlist)
grub_normal_print_device_info (name);
else
grub_printf ("(%s) ", name);
return 0;
}
grub_device_iterate (grub_ls_print_devices);
grub_device_iterate (grub_ls_print_devices, &longlist);
grub_xputs ("\n");
#if 0

View File

@ -42,23 +42,29 @@ struct cache_entry
static struct cache_entry *cache;
void
FUNC_NAME (const char *key, const char *var, int no_floppy,
char **hints, unsigned nhints)
/* Context for FUNC_NAME. */
struct search_ctx
{
int count = 0;
int is_cache = 0;
grub_fs_autoload_hook_t saved_autoload;
const char *key;
const char *var;
int no_floppy;
char **hints;
unsigned nhints;
int count;
int is_cache;
};
auto int iterate_device (const char *name);
int iterate_device (const char *name)
{
int found = 0;
/* Helper for FUNC_NAME. */
static int
iterate_device (const char *name, void *data)
{
struct search_ctx *ctx = data;
int found = 0;
/* Skip floppy drives when requested. */
if (no_floppy &&
name[0] == 'f' && name[1] == 'd' && name[2] >= '0' && name[2] <= '9')
return 0;
/* Skip floppy drives when requested. */
if (ctx->no_floppy &&
name[0] == 'f' && name[1] == 'd' && name[2] >= '0' && name[2] <= '9')
return 0;
#ifdef DO_SEARCH_FS_UUID
#define compare_fn grub_strcasecmp
@ -67,34 +73,34 @@ FUNC_NAME (const char *key, const char *var, int no_floppy,
#endif
#ifdef DO_SEARCH_FILE
{
char *buf;
grub_file_t file;
{
char *buf;
grub_file_t file;
buf = grub_xasprintf ("(%s)%s", name, key);
if (! buf)
return 1;
buf = grub_xasprintf ("(%s)%s", name, ctx->key);
if (! buf)
return 1;
grub_file_filter_disable_compression ();
file = grub_file_open (buf);
if (file)
{
found = 1;
grub_file_close (file);
}
grub_free (buf);
}
grub_file_filter_disable_compression ();
file = grub_file_open (buf);
if (file)
{
found = 1;
grub_file_close (file);
}
grub_free (buf);
}
#else
{
/* SEARCH_FS_UUID or SEARCH_LABEL */
grub_device_t dev;
grub_fs_t fs;
char *quid;
{
/* SEARCH_FS_UUID or SEARCH_LABEL */
grub_device_t dev;
grub_fs_t fs;
char *quid;
dev = grub_device_open (name);
if (dev)
{
fs = grub_fs_probe (dev);
dev = grub_device_open (name);
if (dev)
{
fs = grub_fs_probe (dev);
#ifdef DO_SEARCH_FS_UUID
#define read_fn uuid
@ -102,173 +108,191 @@ FUNC_NAME (const char *key, const char *var, int no_floppy,
#define read_fn label
#endif
if (fs && fs->read_fn)
{
fs->read_fn (dev, &quid);
if (fs && fs->read_fn)
{
fs->read_fn (dev, &quid);
if (grub_errno == GRUB_ERR_NONE && quid)
{
if (compare_fn (quid, key) == 0)
found = 1;
if (grub_errno == GRUB_ERR_NONE && quid)
{
if (compare_fn (quid, ctx->key) == 0)
found = 1;
grub_free (quid);
}
}
grub_free (quid);
}
}
grub_device_close (dev);
}
}
grub_device_close (dev);
}
}
#endif
if (!is_cache && found && count == 0)
{
struct cache_entry *cache_ent;
cache_ent = grub_malloc (sizeof (*cache_ent));
if (cache_ent)
{
cache_ent->key = grub_strdup (key);
cache_ent->value = grub_strdup (name);
if (cache_ent->value && cache_ent->key)
{
cache_ent->next = cache;
cache = cache_ent;
}
else
{
grub_free (cache_ent->value);
grub_free (cache_ent->key);
grub_free (cache_ent);
grub_errno = GRUB_ERR_NONE;
}
}
else
grub_errno = GRUB_ERR_NONE;
}
if (!ctx->is_cache && found && ctx->count == 0)
{
struct cache_entry *cache_ent;
cache_ent = grub_malloc (sizeof (*cache_ent));
if (cache_ent)
{
cache_ent->key = grub_strdup (ctx->key);
cache_ent->value = grub_strdup (name);
if (cache_ent->value && cache_ent->key)
{
cache_ent->next = cache;
cache = cache_ent;
}
else
{
grub_free (cache_ent->value);
grub_free (cache_ent->key);
grub_free (cache_ent);
grub_errno = GRUB_ERR_NONE;
}
}
else
grub_errno = GRUB_ERR_NONE;
}
if (found)
{
count++;
if (var)
grub_env_set (var, name);
else
grub_printf (" %s", name);
}
if (found)
{
ctx->count++;
if (ctx->var)
grub_env_set (ctx->var, name);
else
grub_printf (" %s", name);
}
grub_errno = GRUB_ERR_NONE;
return (found && var);
}
grub_errno = GRUB_ERR_NONE;
return (found && ctx->var);
}
auto int part_hook (grub_disk_t disk, const grub_partition_t partition);
int part_hook (grub_disk_t disk, const grub_partition_t partition)
{
char *partition_name, *devname;
int ret;
/* Helper for FUNC_NAME. */
static int
part_hook (grub_disk_t disk, const grub_partition_t partition, void *data)
{
struct search_ctx *ctx = data;
char *partition_name, *devname;
int ret;
partition_name = grub_partition_get_name (partition);
if (! partition_name)
return 1;
partition_name = grub_partition_get_name (partition);
if (! partition_name)
return 1;
devname = grub_xasprintf ("%s,%s", disk->name, partition_name);
grub_free (partition_name);
if (!devname)
return 1;
ret = iterate_device (devname);
grub_free (devname);
devname = grub_xasprintf ("%s,%s", disk->name, partition_name);
grub_free (partition_name);
if (!devname)
return 1;
ret = iterate_device (devname, ctx);
grub_free (devname);
return ret;
}
return ret;
}
auto void try (void);
void try (void)
{
unsigned i;
struct cache_entry **prev;
struct cache_entry *cache_ent;
/* Helper for FUNC_NAME. */
static void
try (struct search_ctx *ctx)
{
unsigned i;
struct cache_entry **prev;
struct cache_entry *cache_ent;
for (prev = &cache, cache_ent = *prev; cache_ent;
prev = &cache_ent->next, cache_ent = *prev)
if (compare_fn (cache_ent->key, key) == 0)
break;
if (cache_ent)
{
is_cache = 1;
if (iterate_device (cache_ent->value))
{
is_cache = 0;
for (prev = &cache, cache_ent = *prev; cache_ent;
prev = &cache_ent->next, cache_ent = *prev)
if (compare_fn (cache_ent->key, ctx->key) == 0)
break;
if (cache_ent)
{
ctx->is_cache = 1;
if (iterate_device (cache_ent->value, ctx))
{
ctx->is_cache = 0;
return;
}
ctx->is_cache = 0;
/* Cache entry was outdated. Remove it. */
if (!ctx->count)
{
grub_free (cache_ent->key);
grub_free (cache_ent->value);
grub_free (cache_ent);
*prev = cache_ent->next;
}
}
for (i = 0; i < ctx->nhints; i++)
{
char *end;
if (!ctx->hints[i][0])
continue;
end = ctx->hints[i] + grub_strlen (ctx->hints[i]) - 1;
if (*end == ',')
*end = 0;
if (iterate_device (ctx->hints[i], ctx))
{
if (!*end)
*end = ',';
return;
}
if (!*end)
{
grub_device_t dev;
int ret;
dev = grub_device_open (ctx->hints[i]);
if (!dev)
{
if (!*end)
*end = ',';
continue;
}
if (!dev->disk)
{
grub_device_close (dev);
if (!*end)
*end = ',';
continue;
}
ret = grub_partition_iterate (dev->disk, part_hook, ctx);
if (!*end)
*end = ',';
grub_device_close (dev);
if (ret)
return;
}
is_cache = 0;
/* Cache entry was outdated. Remove it. */
if (!count)
{
grub_free (cache_ent->key);
grub_free (cache_ent->value);
grub_free (cache_ent);
*prev = cache_ent->next;
}
}
}
}
grub_device_iterate (iterate_device, ctx);
}
for (i = 0; i < nhints; i++)
{
char *end;
if (!hints[i][0])
continue;
end = hints[i] + grub_strlen (hints[i]) - 1;
if (*end == ',')
*end = 0;
if (iterate_device (hints[i]))
{
if (!*end)
*end = ',';
return;
}
if (!*end)
{
grub_device_t dev;
int ret;
dev = grub_device_open (hints[i]);
if (!dev)
{
if (!*end)
*end = ',';
continue;
}
if (!dev->disk)
{
grub_device_close (dev);
if (!*end)
*end = ',';
continue;
}
ret = grub_partition_iterate (dev->disk, part_hook);
if (!*end)
*end = ',';
grub_device_close (dev);
if (ret)
return;
}
}
grub_device_iterate (iterate_device);
}
void
FUNC_NAME (const char *key, const char *var, int no_floppy,
char **hints, unsigned nhints)
{
struct search_ctx ctx = {
.key = key,
.var = var,
.no_floppy = no_floppy,
.hints = hints,
.nhints = nhints,
.count = 0,
.is_cache = 0
};
grub_fs_autoload_hook_t saved_autoload;
/* First try without autoloading if we're setting variable. */
if (var)
{
saved_autoload = grub_fs_autoload_hook;
grub_fs_autoload_hook = 0;
try ();
try (&ctx);
/* Restore autoload hook. */
grub_fs_autoload_hook = saved_autoload;
/* Retry with autoload if nothing found. */
if (grub_errno == GRUB_ERR_NONE && count == 0)
try ();
if (grub_errno == GRUB_ERR_NONE && ctx.count == 0)
try (&ctx);
}
else
try ();
try (&ctx);
if (grub_errno == GRUB_ERR_NONE && count == 0)
if (grub_errno == GRUB_ERR_NONE && ctx.count == 0)
grub_error (GRUB_ERR_FILE_NOT_FOUND, "no such device: %s", key);
}

View File

@ -210,59 +210,71 @@ split_path (const char *str, const char **noregexop, const char **regexop)
*noregexop = split;
}
/* Context for match_devices. */
struct match_devices_ctx
{
const regex_t *regexp;
int noparts;
int ndev;
char **devs;
};
/* Helper for match_devices. */
static int
match_devices_iter (const char *name, void *data)
{
struct match_devices_ctx *ctx = data;
char **t;
char *buffer;
/* skip partitions if asked to. */
if (ctx->noparts && grub_strchr (name, ','))
return 0;
buffer = grub_xasprintf ("(%s)", name);
if (! buffer)
return 1;
grub_dprintf ("expand", "matching: %s\n", buffer);
if (regexec (ctx->regexp, buffer, 0, 0, 0))
{
grub_dprintf ("expand", "not matched\n");
grub_free (buffer);
return 0;
}
t = grub_realloc (ctx->devs, sizeof (char*) * (ctx->ndev + 2));
if (! t)
return 1;
ctx->devs = t;
ctx->devs[ctx->ndev++] = buffer;
ctx->devs[ctx->ndev] = 0;
return 0;
}
static char **
match_devices (const regex_t *regexp, int noparts)
{
struct match_devices_ctx ctx = {
.regexp = regexp,
.noparts = noparts,
.ndev = 0,
.devs = 0
};
int i;
int ndev;
char **devs;
auto int match (const char *name);
int match (const char *name)
{
char **t;
char *buffer;
/* skip partitions if asked to. */
if (noparts && grub_strchr(name, ','))
return 0;
buffer = grub_xasprintf ("(%s)", name);
if (! buffer)
return 1;
grub_dprintf ("expand", "matching: %s\n", buffer);
if (regexec (regexp, buffer, 0, 0, 0))
{
grub_dprintf ("expand", "not matched\n");
grub_free (buffer);
return 0;
}
t = grub_realloc (devs, sizeof (char*) * (ndev + 2));
if (! t)
return 1;
devs = t;
devs[ndev++] = buffer;
devs[ndev] = 0;
return 0;
}
ndev = 0;
devs = 0;
if (grub_device_iterate (match))
if (grub_device_iterate (match_devices_iter, &ctx))
goto fail;
return devs;
return ctx.devs;
fail:
for (i = 0; devs && devs[i]; i++)
grub_free (devs[i]);
for (i = 0; ctx.devs && ctx.devs[i]; i++)
grub_free (ctx.devs[i]);
grub_free (devs);
grub_free (ctx.devs);
return 0;
}

View File

@ -455,8 +455,8 @@ grub_ahci_restore_hw (void)
static int
grub_ahci_iterate (int (*hook) (int id, int bus),
grub_disk_pull_t pull)
grub_ahci_iterate (grub_ata_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull)
{
struct grub_ahci_device *dev;
@ -464,7 +464,7 @@ grub_ahci_iterate (int (*hook) (int id, int bus),
return 0;
FOR_LIST_ELEMENTS(dev, grub_ahci_devices)
if (hook (GRUB_SCSI_SUBSYSTEM_AHCI, dev->num))
if (hook (GRUB_SCSI_SUBSYSTEM_AHCI, dev->num, hook_data))
return 1;
return 0;

View File

@ -80,23 +80,37 @@ arcdisk_hash_add (char *devpath)
}
/* Context for grub_arcdisk_iterate. */
struct grub_arcdisk_iterate_ctx
{
grub_disk_dev_iterate_hook_t hook;
void *hook_data;
};
/* Helper for grub_arcdisk_iterate. */
static int
grub_arcdisk_iterate_iter (const char *name,
const struct grub_arc_component *comp, void *data)
{
struct grub_arcdisk_iterate_ctx *ctx = data;
if (!(comp->type == GRUB_ARC_COMPONENT_TYPE_DISK
|| comp->type == GRUB_ARC_COMPONENT_TYPE_DISK
|| comp->type == GRUB_ARC_COMPONENT_TYPE_TAPE))
return 0;
return ctx->hook (name, ctx->hook_data);
}
static int
grub_arcdisk_iterate (int (*hook_in) (const char *name),
grub_disk_pull_t pull)
{
auto int hook (const char *name, const struct grub_arc_component *comp);
int hook (const char *name, const struct grub_arc_component *comp)
{
if (!(comp->type == GRUB_ARC_COMPONENT_TYPE_DISK
|| comp->type == GRUB_ARC_COMPONENT_TYPE_DISK
|| comp->type == GRUB_ARC_COMPONENT_TYPE_TAPE))
return 0;
return hook_in (name);
}
struct grub_arcdisk_iterate_ctx ctx = { hook, hook_data };
if (pull != GRUB_DISK_PULL_NONE)
return 0;
return grub_arc_iterate_devs (hook, 1);
return grub_arc_iterate_devs (grub_arcdisk_iterate_iter, &ctx, 1);
}
#define RAW_SUFFIX "partition(10)"

View File

@ -392,40 +392,50 @@ grub_ata_real_open (int id, int bus)
return NULL;
}
/* Context for grub_ata_iterate. */
struct grub_ata_iterate_ctx
{
grub_disk_dev_iterate_hook_t hook;
void *hook_data;
};
/* Helper for grub_ata_iterate. */
static int
grub_ata_iterate (int (*hook_in) (const char *name),
grub_ata_iterate_iter (int id, int bus, void *data)
{
struct grub_ata_iterate_ctx *ctx = data;
struct grub_ata *ata;
int ret;
char devname[40];
ata = grub_ata_real_open (id, bus);
if (!ata)
{
grub_errno = GRUB_ERR_NONE;
return 0;
}
if (ata->atapi)
{
grub_ata_real_close (ata);
return 0;
}
grub_snprintf (devname, sizeof (devname),
"%s%d", grub_scsi_names[id], bus);
ret = ctx->hook (devname, ctx->hook_data);
grub_ata_real_close (ata);
return ret;
}
static int
grub_ata_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull)
{
auto int hook (int id, int bus);
int hook (int id, int bus)
{
struct grub_ata *ata;
int ret;
char devname[40];
ata = grub_ata_real_open (id, bus);
if (!ata)
{
grub_errno = GRUB_ERR_NONE;
return 0;
}
if (ata->atapi)
{
grub_ata_real_close (ata);
return 0;
}
grub_snprintf (devname, sizeof (devname),
"%s%d", grub_scsi_names[id], bus);
ret = hook_in (devname);
grub_ata_real_close (ata);
return ret;
}
struct grub_ata_iterate_ctx ctx = { hook, hook_data };
grub_ata_dev_t p;
for (p = grub_ata_dev_list; p; p = p->next)
if (p->iterate && p->iterate (hook, pull))
if (p->iterate && p->iterate (grub_ata_iterate_iter, &ctx, pull))
return 1;
return 0;
}
@ -561,37 +571,47 @@ grub_atapi_open (int id, int bus, struct grub_scsi *scsi)
return GRUB_ERR_NONE;
}
/* Context for grub_atapi_iterate. */
struct grub_atapi_iterate_ctx
{
grub_scsi_dev_iterate_hook_t hook;
void *hook_data;
};
/* Helper for grub_atapi_iterate. */
static int
grub_atapi_iterate (int NESTED_FUNC_ATTR (*hook_in) (int id, int bus, int luns),
grub_atapi_iterate_iter (int id, int bus, void *data)
{
struct grub_atapi_iterate_ctx *ctx = data;
struct grub_ata *ata;
int ret;
ata = grub_ata_real_open (id, bus);
if (!ata)
{
grub_errno = GRUB_ERR_NONE;
return 0;
}
if (!ata->atapi)
{
grub_ata_real_close (ata);
return 0;
}
ret = ctx->hook (id, bus, 1, ctx->hook_data);
grub_ata_real_close (ata);
return ret;
}
static int
grub_atapi_iterate (grub_scsi_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull)
{
auto int hook (int id, int bus);
int hook (int id, int bus)
{
struct grub_ata *ata;
int ret;
ata = grub_ata_real_open (id, bus);
if (!ata)
{
grub_errno = GRUB_ERR_NONE;
return 0;
}
if (!ata->atapi)
{
grub_ata_real_close (ata);
return 0;
}
ret = hook_in (id, bus, 1);
grub_ata_real_close (ata);
return ret;
}
struct grub_atapi_iterate_ctx ctx = { hook, hook_data };
grub_ata_dev_t p;
for (p = grub_ata_dev_list; p; p = p->next)
if (p->iterate && p->iterate (hook, pull))
if (p->iterate && p->iterate (grub_atapi_iterate_iter, &ctx, pull))
return 1;
return 0;
}

View File

@ -448,8 +448,8 @@ grub_cryptodisk_setkey (grub_cryptodisk_t dev, grub_uint8_t *key, grub_size_t ke
}
static int
grub_cryptodisk_iterate (int (*hook) (const char *name),
grub_disk_pull_t pull)
grub_cryptodisk_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull)
{
grub_cryptodisk_t i;
@ -460,7 +460,7 @@ grub_cryptodisk_iterate (int (*hook) (const char *name),
{
char buf[30];
grub_snprintf (buf, sizeof (buf), "crypto%lu", i->id);
if (hook (buf))
if (hook (buf, hook_data))
return 1;
}
@ -866,7 +866,8 @@ grub_cryptodisk_cheat_mount (const char *sourcedev, const char *cheat)
#endif
static int
grub_cryptodisk_scan_device (const char *name)
grub_cryptodisk_scan_device (const char *name,
void *data __attribute__ ((unused)))
{
grub_err_t err;
grub_disk_t source;
@ -908,7 +909,7 @@ grub_cmd_cryptomount (grub_extcmd_context_t ctxt, int argc, char **args)
check_boot = state[2].set;
search_uuid = args[0];
grub_device_iterate (&grub_cryptodisk_scan_device);
grub_device_iterate (&grub_cryptodisk_scan_device, NULL);
search_uuid = NULL;
if (!have_it)
@ -919,7 +920,7 @@ grub_cmd_cryptomount (grub_extcmd_context_t ctxt, int argc, char **args)
{
search_uuid = NULL;
check_boot = state[2].set;
grub_device_iterate (&grub_cryptodisk_scan_device);
grub_device_iterate (&grub_cryptodisk_scan_device, NULL);
search_uuid = NULL;
return GRUB_ERR_NONE;
}

View File

@ -120,65 +120,68 @@ is_valid_diskfilter_name (const char *name)
|| grub_memcmp (name, "ldm/", sizeof ("ldm/") - 1) == 0);
}
/* Helper for scan_disk. */
static int
scan_disk_partition_iter (grub_disk_t disk, grub_partition_t p, void *data)
{
const char *name = data;
struct grub_diskfilter_vg *arr;
grub_disk_addr_t start_sector;
struct grub_diskfilter_pv_id id;
grub_diskfilter_t diskfilter;
grub_dprintf ("diskfilter", "Scanning for DISKFILTER devices on disk %s\n",
name);
#ifdef GRUB_UTIL
grub_util_info ("Scanning for DISKFILTER devices on disk %s", name);
#endif
disk->partition = p;
for (arr = array_list; arr != NULL; arr = arr->next)
{
struct grub_diskfilter_pv *m;
for (m = arr->pvs; m; m = m->next)
if (m->disk && m->disk->id == disk->id
&& m->disk->dev->id == disk->dev->id
&& m->part_start == grub_partition_get_start (disk->partition)
&& m->part_size == grub_disk_get_size (disk))
return 0;
}
for (diskfilter = grub_diskfilter_list; diskfilter; diskfilter = diskfilter->next)
{
#ifdef GRUB_UTIL
grub_util_info ("Scanning for %s devices on disk %s",
diskfilter->name, name);
#endif
id.uuid = 0;
id.uuidlen = 0;
arr = diskfilter->detect (disk, &id, &start_sector);
if (arr &&
(! insert_array (disk, &id, arr, start_sector, diskfilter)))
{
if (id.uuidlen)
grub_free (id.uuid);
return 0;
}
if (arr && id.uuidlen)
grub_free (id.uuid);
/* This error usually means it's not diskfilter, no need to display
it. */
if (grub_errno != GRUB_ERR_OUT_OF_RANGE)
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
}
return 0;
}
static int
scan_disk (const char *name, int accept_diskfilter)
{
auto int hook (grub_disk_t disk, grub_partition_t p);
int hook (grub_disk_t disk, grub_partition_t p)
{
struct grub_diskfilter_vg *arr;
grub_disk_addr_t start_sector;
struct grub_diskfilter_pv_id id;
grub_diskfilter_t diskfilter;
grub_dprintf ("diskfilter", "Scanning for DISKFILTER devices on disk %s\n",
name);
#ifdef GRUB_UTIL
grub_util_info ("Scanning for DISKFILTER devices on disk %s", name);
#endif
disk->partition = p;
for (arr = array_list; arr != NULL; arr = arr->next)
{
struct grub_diskfilter_pv *m;
for (m = arr->pvs; m; m = m->next)
if (m->disk && m->disk->id == disk->id
&& m->disk->dev->id == disk->dev->id
&& m->part_start == grub_partition_get_start (disk->partition)
&& m->part_size == grub_disk_get_size (disk))
return 0;
}
for (diskfilter = grub_diskfilter_list; diskfilter; diskfilter = diskfilter->next)
{
#ifdef GRUB_UTIL
grub_util_info ("Scanning for %s devices on disk %s",
diskfilter->name, name);
#endif
id.uuid = 0;
id.uuidlen = 0;
arr = diskfilter->detect (disk, &id, &start_sector);
if (arr &&
(! insert_array (disk, &id, arr, start_sector, diskfilter)))
{
if (id.uuidlen)
grub_free (id.uuid);
return 0;
}
if (arr && id.uuidlen)
grub_free (id.uuid);
/* This error usually means it's not diskfilter, no need to display
it. */
if (grub_errno != GRUB_ERR_OUT_OF_RANGE)
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
}
return 0;
}
grub_disk_t disk;
static int scan_depth = 0;
@ -196,12 +199,12 @@ scan_disk (const char *name, int accept_diskfilter)
scan_depth--;
return 0;
}
if (hook (disk, 0))
if (scan_disk_partition_iter (disk, 0, (void *) name))
{
scan_depth--;
return 1;
}
if (grub_partition_iterate (disk, hook))
if (grub_partition_iterate (disk, scan_disk_partition_iter, (void *) name))
{
scan_depth--;
return 1;
@ -212,7 +215,7 @@ scan_disk (const char *name, int accept_diskfilter)
}
static int
scan_disk_hook (const char *name)
scan_disk_hook (const char *name, void *data __attribute__ ((unused)))
{
return scan_disk (name, 0);
}
@ -230,7 +233,7 @@ scan_devices (const char *arname)
if (p->id != GRUB_DISK_DEVICE_DISKFILTER_ID
&& p->iterate)
{
if ((p->iterate) (scan_disk_hook, pull))
if ((p->iterate) (scan_disk_hook, NULL, pull))
return;
if (arname && is_lv_readable (find_lv (arname), 1))
return;
@ -249,8 +252,8 @@ scan_devices (const char *arname)
}
static int
grub_diskfilter_iterate (int (*hook) (const char *name),
grub_disk_pull_t pull)
grub_diskfilter_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull)
{
struct grub_diskfilter_vg *array;
int islcnt = 0;
@ -271,7 +274,7 @@ grub_diskfilter_iterate (int (*hook) (const char *name),
for (lv = array->lvs; lv; lv = lv->next)
if (lv->visible && lv->fullname && lv->became_readable_at >= islcnt)
{
if (hook (lv->fullname))
if (hook (lv->fullname, hook_data))
return 1;
}
}
@ -303,7 +306,7 @@ grub_diskfilter_memberlist (grub_disk_t disk)
if (p->id != GRUB_DISK_DEVICE_DISKFILTER_ID
&& p->iterate)
{
(p->iterate) (scan_disk_hook, pull);
(p->iterate) (scan_disk_hook, NULL, pull);
while (pv && pv->disk)
pv = pv->next;
}

View File

@ -404,7 +404,7 @@ enumerate_disks (void)
}
static int
grub_efidisk_iterate (int (*hook) (const char *name),
grub_efidisk_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull)
{
struct grub_efidisk_data *d;
@ -418,7 +418,7 @@ grub_efidisk_iterate (int (*hook) (const char *name),
{
grub_snprintf (buf, sizeof (buf), "hd%d", count);
grub_dprintf ("efidisk", "iterating %s\n", buf);
if (hook (buf))
if (hook (buf, hook_data))
return 1;
}
break;
@ -427,7 +427,7 @@ grub_efidisk_iterate (int (*hook) (const char *name),
{
grub_snprintf (buf, sizeof (buf), "fd%d", count);
grub_dprintf ("efidisk", "iterating %s\n", buf);
if (hook (buf))
if (hook (buf, hook_data))
return 1;
}
@ -435,7 +435,7 @@ grub_efidisk_iterate (int (*hook) (const char *name),
{
grub_snprintf (buf, sizeof (buf), "cd%d", count);
grub_dprintf ("efidisk", "iterating %s\n", buf);
if (hook (buf))
if (hook (buf, hook_data))
return 1;
}
break;
@ -736,6 +736,31 @@ get_diskname_from_path (const grub_efi_device_path_t *path,
return 0;
}
/* Context for grub_efidisk_get_device_name. */
struct grub_efidisk_get_device_name_ctx
{
char *partition_name;
grub_efi_hard_drive_device_path_t hd;
};
/* Helper for grub_efidisk_get_device_name.
Find the identical partition. */
static int
grub_efidisk_get_device_name_iter (grub_disk_t disk __attribute__ ((unused)),
const grub_partition_t part, void *data)
{
struct grub_efidisk_get_device_name_ctx *ctx = data;
if (grub_partition_get_start (part) == ctx->hd.partition_start
&& grub_partition_get_len (part) == ctx->hd.partition_size)
{
ctx->partition_name = grub_partition_get_name (part);
return 1;
}
return 0;
}
char *
grub_efidisk_get_device_name (grub_efi_handle_t *handle)
{
@ -754,28 +779,11 @@ grub_efidisk_get_device_name (grub_efi_handle_t *handle)
&& (GRUB_EFI_DEVICE_PATH_SUBTYPE (ldp)
== GRUB_EFI_HARD_DRIVE_DEVICE_PATH_SUBTYPE))
{
char *partition_name = NULL;
struct grub_efidisk_get_device_name_ctx ctx;
char *dev_name;
grub_efi_device_path_t *dup_dp, *dup_ldp;
grub_efi_hard_drive_device_path_t hd;
grub_disk_t parent = 0;
auto int find_partition (grub_disk_t disk, const grub_partition_t part);
/* Find the identical partition. */
int find_partition (grub_disk_t disk __attribute__ ((unused)),
const grub_partition_t part)
{
if (grub_partition_get_start (part) == hd.partition_start
&& grub_partition_get_len (part) == hd.partition_size)
{
partition_name = grub_partition_get_name (part);
return 1;
}
return 0;
}
/* It is necessary to duplicate the device path so that GRUB
can overwrite it. */
dup_dp = duplicate_device_path (dp);
@ -797,24 +805,27 @@ grub_efidisk_get_device_name (grub_efi_handle_t *handle)
return 0;
/* Find a partition which matches the hard drive device path. */
grub_memcpy (&hd, ldp, sizeof (hd));
if (hd.partition_start == 0
&& hd.partition_size == grub_disk_get_size (parent))
ctx.partition_name = NULL;
grub_memcpy (&ctx.hd, ldp, sizeof (ctx.hd));
if (ctx.hd.partition_start == 0
&& ctx.hd.partition_size == grub_disk_get_size (parent))
{
dev_name = grub_strdup (parent->name);
}
else
{
grub_partition_iterate (parent, find_partition);
grub_partition_iterate (parent, grub_efidisk_get_device_name_iter,
&ctx);
if (! partition_name)
if (! ctx.partition_name)
{
grub_disk_close (parent);
return 0;
}
dev_name = grub_xasprintf ("%s,%s", parent->name, partition_name);
grub_free (partition_name);
dev_name = grub_xasprintf ("%s,%s", parent->name,
ctx.partition_name);
grub_free (ctx.partition_name);
}
grub_disk_close (parent);

View File

@ -27,13 +27,13 @@
int grub_disk_host_i_want_a_reference;
static int
grub_host_iterate (int (*hook) (const char *name),
grub_host_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull)
{
if (pull != GRUB_DISK_PULL_NONE)
return 0;
if (hook ("host"))
if (hook ("host", hook_data))
return 1;
return 0;
}

View File

@ -272,20 +272,21 @@ grub_biosdisk_get_drive (const char *name)
}
static int
grub_biosdisk_call_hook (int (*hook) (const char *name), int drive)
grub_biosdisk_call_hook (grub_disk_dev_iterate_hook_t hook, void *hook_data,
int drive)
{
char name[10];
if (cd_drive && drive == cd_drive)
return hook ("cd");
return hook ("cd", hook_data);
grub_snprintf (name, sizeof (name),
(drive & 0x80) ? "hd%d" : "fd%d", drive & (~0x80));
return hook (name);
return hook (name, hook_data);
}
static int
grub_biosdisk_iterate (int (*hook) (const char *name),
grub_biosdisk_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull __attribute__ ((unused)))
{
int num_floppies;
@ -304,7 +305,7 @@ grub_biosdisk_iterate (int (*hook) (const char *name),
break;
}
if (grub_biosdisk_call_hook (hook, drive))
if (grub_biosdisk_call_hook (hook, hook_data, drive))
return 1;
}
return 0;
@ -312,14 +313,14 @@ grub_biosdisk_iterate (int (*hook) (const char *name),
case GRUB_DISK_PULL_REMOVABLE:
if (cd_drive)
{
if (grub_biosdisk_call_hook (hook, cd_drive))
if (grub_biosdisk_call_hook (hook, hook_data, cd_drive))
return 1;
}
/* For floppy disks, we can get the number safely. */
num_floppies = grub_biosdisk_get_num_floppies ();
for (drive = 0; drive < num_floppies; drive++)
if (grub_biosdisk_call_hook (hook, drive))
if (grub_biosdisk_call_hook (hook, hook_data, drive))
return 1;
return 0;
default:

View File

@ -33,7 +33,7 @@ struct grub_nand_data
};
static int
grub_nand_iterate (int (*hook) (const char *name),
grub_nand_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull)
{
auto int dev_iterate (struct grub_ieee1275_devalias *alias);
@ -41,7 +41,7 @@ grub_nand_iterate (int (*hook) (const char *name),
{
if (grub_strcmp (alias->name, "nand") == 0)
{
hook (alias->name);
hook (alias->name, hook_data);
return 1;
}

View File

@ -218,7 +218,7 @@ scan (void)
}
static int
grub_ofdisk_iterate (int (*hook) (const char *name),
grub_ofdisk_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull)
{
unsigned i;
@ -276,7 +276,7 @@ grub_ofdisk_iterate (int (*hook) (const char *name),
*optr++ = *iptr++;
}
*optr = 0;
if (hook (buffer))
if (hook (buffer, hook_data))
return 1;
}
}

View File

@ -105,35 +105,39 @@ read_int (grub_uint8_t *in, grub_size_t s)
static const grub_gpt_part_type_t ldm_type = GRUB_GPT_PARTITION_TYPE_LDM;
/* Helper for gpt_ldm_sector. */
static int
gpt_ldm_sector_iter (grub_disk_t disk, const grub_partition_t p, void *data)
{
grub_disk_addr_t *sector = data;
struct grub_gpt_partentry gptdata;
grub_partition_t p2;
p2 = disk->partition;
disk->partition = p->parent;
if (grub_disk_read (disk, p->offset, p->index,
sizeof (gptdata), &gptdata))
{
disk->partition = p2;
return 0;
}
disk->partition = p2;
if (! grub_memcmp (&gptdata.type, &ldm_type, 16))
{
*sector = p->start + p->len - 1;
return 1;
}
return 0;
}
static grub_disk_addr_t
gpt_ldm_sector (grub_disk_t dsk)
{
grub_disk_addr_t sector = 0;
grub_err_t err;
auto int hook (grub_disk_t disk, const grub_partition_t p);
int hook (grub_disk_t disk, const grub_partition_t p)
{
struct grub_gpt_partentry gptdata;
grub_partition_t p2;
p2 = disk->partition;
disk->partition = p->parent;
if (grub_disk_read (disk, p->offset, p->index,
sizeof (gptdata), &gptdata))
{
disk->partition = p2;
return 0;
}
disk->partition = p2;
if (! grub_memcmp (&gptdata.type, &ldm_type, 16))
{
sector = p->start + p->len - 1;
return 1;
}
return 0;
}
err = grub_gpt_partition_map_iterate (dsk, hook);
err = grub_gpt_partition_map_iterate (dsk, gpt_ldm_sector_iter, &sector);
if (err)
{
grub_errno = GRUB_ERR_NONE;

View File

@ -135,15 +135,15 @@ fail:
static int
grub_loopback_iterate (int (*hook) (const char *name),
grub_disk_pull_t pull)
grub_loopback_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull)
{
struct grub_loopback *d;
if (pull != GRUB_DISK_PULL_NONE)
return 0;
for (d = loopback_list; d; d = d->next)
{
if (hook (d->devname))
if (hook (d->devname, hook_data))
return 1;
}
return 0;

View File

@ -30,13 +30,13 @@ static char *memdisk_addr;
static grub_off_t memdisk_size = 0;
static int
grub_memdisk_iterate (int (*hook) (const char *name),
grub_memdisk_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull)
{
if (pull != GRUB_DISK_PULL_NONE)
return 0;
return hook ("memdisk");
return hook ("memdisk", hook_data);
}
static grub_err_t

View File

@ -501,7 +501,7 @@ grub_pata_open (int id, int devnum, struct grub_ata *ata)
}
static int
grub_pata_iterate (int (*hook) (int id, int bus),
grub_pata_iterate (grub_ata_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull)
{
struct grub_pata_device *dev;
@ -510,7 +510,8 @@ grub_pata_iterate (int (*hook) (int id, int bus),
return 0;
for (dev = grub_pata_devices; dev; dev = dev->next)
if (hook (GRUB_SCSI_SUBSYSTEM_PATA, dev->port * 2 + dev->device))
if (hook (GRUB_SCSI_SUBSYSTEM_PATA, dev->port * 2 + dev->device,
hook_data))
return 1;
return 0;

View File

@ -423,50 +423,59 @@ grub_scsi_write16 (grub_disk_t disk, grub_disk_addr_t sector,
static int
grub_scsi_iterate (int (*hook) (const char *name),
grub_disk_pull_t pull)
/* Context for grub_scsi_iterate. */
struct grub_scsi_iterate_ctx
{
grub_scsi_dev_t p;
grub_disk_dev_iterate_hook_t hook;
void *hook_data;
};
auto int NESTED_FUNC_ATTR scsi_iterate (int id, int bus, int luns);
/* Helper for grub_scsi_iterate. */
static int
scsi_iterate (int id, int bus, int luns, void *data)
{
struct grub_scsi_iterate_ctx *ctx = data;
int i;
int NESTED_FUNC_ATTR scsi_iterate (int id, int bus, int luns)
/* In case of a single LUN, just return `usbX'. */
if (luns == 1)
{
int i;
/* In case of a single LUN, just return `usbX'. */
if (luns == 1)
{
char *sname;
int ret;
sname = grub_xasprintf ("%s%d", grub_scsi_names[id], bus);
if (!sname)
return 1;
ret = hook (sname);
grub_free (sname);
return ret;
}
/* In case of multiple LUNs, every LUN will get a prefix to
distinguish it. */
for (i = 0; i < luns; i++)
{
char *sname;
int ret;
sname = grub_xasprintf ("%s%d%c", grub_scsi_names[id], bus, 'a' + i);
if (!sname)
return 1;
ret = hook (sname);
grub_free (sname);
if (ret)
return 1;
}
return 0;
char *sname;
int ret;
sname = grub_xasprintf ("%s%d", grub_scsi_names[id], bus);
if (!sname)
return 1;
ret = ctx->hook (sname, ctx->hook_data);
grub_free (sname);
return ret;
}
/* In case of multiple LUNs, every LUN will get a prefix to
distinguish it. */
for (i = 0; i < luns; i++)
{
char *sname;
int ret;
sname = grub_xasprintf ("%s%d%c", grub_scsi_names[id], bus, 'a' + i);
if (!sname)
return 1;
ret = ctx->hook (sname, ctx->hook_data);
grub_free (sname);
if (ret)
return 1;
}
return 0;
}
static int
grub_scsi_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull)
{
struct grub_scsi_iterate_ctx ctx = { hook, hook_data };
grub_scsi_dev_t p;
for (p = grub_scsi_dev_list; p; p = p->next)
if (p->iterate && (p->iterate) (scsi_iterate, pull))
if (p->iterate && (p->iterate) (scsi_iterate, &ctx, pull))
return 1;
return 0;

View File

@ -265,7 +265,7 @@ grub_usbms_attach (grub_usb_device_t usbdev, int configno, int interfno)
static int
grub_usbms_iterate (int NESTED_FUNC_ATTR (*hook) (int id, int bus, int luns),
grub_usbms_iterate (grub_scsi_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull)
{
unsigned i;
@ -278,7 +278,8 @@ grub_usbms_iterate (int NESTED_FUNC_ATTR (*hook) (int id, int bus, int luns),
for (i = 0; i < ARRAY_SIZE (grub_usbms_devices); i++)
if (grub_usbms_devices[i])
{
if (hook (GRUB_SCSI_SUBSYSTEM_USBMS, i, grub_usbms_devices[i]->luns))
if (hook (GRUB_SCSI_SUBSYSTEM_USBMS, i, grub_usbms_devices[i]->luns,
hook_data))
return 1;
}

View File

@ -538,56 +538,71 @@ lower_bound (struct grub_btrfs_data *data,
}
}
/* Context for find_device. */
struct find_device_ctx
{
struct grub_btrfs_data *data;
grub_uint64_t id;
grub_device_t dev_found;
};
/* Helper for find_device. */
static int
find_device_iter (const char *name, void *data)
{
struct find_device_ctx *ctx = data;
grub_device_t dev;
grub_err_t err;
struct grub_btrfs_superblock sb;
dev = grub_device_open (name);
if (!dev)
return 0;
if (!dev->disk)
{
grub_device_close (dev);
return 0;
}
err = read_sblock (dev->disk, &sb);
if (err == GRUB_ERR_BAD_FS)
{
grub_device_close (dev);
grub_errno = GRUB_ERR_NONE;
return 0;
}
if (err)
{
grub_device_close (dev);
grub_print_error ();
return 0;
}
if (grub_memcmp (ctx->data->sblock.uuid, sb.uuid, sizeof (sb.uuid)) != 0
|| sb.this_device.device_id != ctx->id)
{
grub_device_close (dev);
return 0;
}
ctx->dev_found = dev;
return 1;
}
static grub_device_t
find_device (struct grub_btrfs_data *data, grub_uint64_t id, int do_rescan)
{
grub_device_t dev_found = NULL;
auto int hook (const char *name);
int hook (const char *name)
{
grub_device_t dev;
grub_err_t err;
struct grub_btrfs_superblock sb;
dev = grub_device_open (name);
if (!dev)
return 0;
if (!dev->disk)
{
grub_device_close (dev);
return 0;
}
err = read_sblock (dev->disk, &sb);
if (err == GRUB_ERR_BAD_FS)
{
grub_device_close (dev);
grub_errno = GRUB_ERR_NONE;
return 0;
}
if (err)
{
grub_device_close (dev);
grub_print_error ();
return 0;
}
if (grub_memcmp (data->sblock.uuid, sb.uuid, sizeof (sb.uuid)) != 0
|| sb.this_device.device_id != id)
{
grub_device_close (dev);
return 0;
}
dev_found = dev;
return 1;
}
struct find_device_ctx ctx = {
.data = data,
.id = id,
.dev_found = NULL
};
unsigned i;
for (i = 0; i < data->n_devices_attached; i++)
if (id == data->devices_attached[i].id)
return data->devices_attached[i].dev;
if (do_rescan)
grub_device_iterate (hook);
if (!dev_found)
grub_device_iterate (find_device_iter, &ctx);
if (!ctx.dev_found)
{
grub_error (GRUB_ERR_BAD_FS,
N_("couldn't find a necessary member device "
@ -605,14 +620,14 @@ find_device (struct grub_btrfs_data *data, grub_uint64_t id, int do_rescan)
* sizeof (data->devices_attached[0]));
if (!data->devices_attached)
{
grub_device_close (dev_found);
grub_device_close (ctx.dev_found);
data->devices_attached = tmp;
return NULL;
}
}
data->devices_attached[data->n_devices_attached - 1].id = id;
data->devices_attached[data->n_devices_attached - 1].dev = dev_found;
return dev_found;
data->devices_attached[data->n_devices_attached - 1].dev = ctx.dev_found;
return ctx.dev_found;
}
static grub_err_t

View File

@ -988,43 +988,47 @@ scan_disk (grub_device_t dev, struct grub_zfs_data *data,
return grub_error (GRUB_ERR_BAD_FS, "couldn't find a valid label");
}
/* Helper for scan_devices. */
static int
scan_devices_iter (const char *name, void *hook_data)
{
struct grub_zfs_data *data = hook_data;
grub_device_t dev;
grub_err_t err;
int inserted;
dev = grub_device_open (name);
if (!dev)
return 0;
if (!dev->disk)
{
grub_device_close (dev);
return 0;
}
err = scan_disk (dev, data, 0, &inserted);
if (err == GRUB_ERR_BAD_FS)
{
grub_device_close (dev);
grub_errno = GRUB_ERR_NONE;
return 0;
}
if (err)
{
grub_device_close (dev);
grub_print_error ();
return 0;
}
if (!inserted)
grub_device_close (dev);
return 0;
}
static grub_err_t
scan_devices (struct grub_zfs_data *data)
{
auto int hook (const char *name);
int hook (const char *name)
{
grub_device_t dev;
grub_err_t err;
int inserted;
dev = grub_device_open (name);
if (!dev)
return 0;
if (!dev->disk)
{
grub_device_close (dev);
return 0;
}
err = scan_disk (dev, data, 0, &inserted);
if (err == GRUB_ERR_BAD_FS)
{
grub_device_close (dev);
grub_errno = GRUB_ERR_NONE;
return 0;
}
if (err)
{
grub_device_close (dev);
grub_print_error ();
return 0;
}
if (!inserted)
grub_device_close (dev);
return 0;
}
grub_device_iterate (hook);
grub_device_iterate (scan_devices_iter, data);
return GRUB_ERR_NONE;
}

View File

@ -96,7 +96,7 @@ grub_core_cmd_insmod (struct grub_command *cmd __attribute__ ((unused)),
}
static int
grub_mini_print_devices (const char *name)
grub_mini_print_devices (const char *name, void *data __attribute__ ((unused)))
{
grub_printf ("(%s) ", name);
@ -119,7 +119,7 @@ grub_core_cmd_ls (struct grub_command *cmd __attribute__ ((unused)),
{
if (argc < 1)
{
grub_device_iterate (grub_mini_print_devices);
grub_device_iterate (grub_mini_print_devices, NULL);
grub_xputs ("\n");
grub_refresh ();
}

View File

@ -85,94 +85,107 @@ grub_device_close (grub_device_t device)
return grub_errno;
}
int
grub_device_iterate (int (*hook) (const char *name))
struct part_ent
{
auto int iterate_disk (const char *disk_name);
auto int iterate_partition (grub_disk_t disk,
const grub_partition_t partition);
struct part_ent *next;
char *name;
};
struct part_ent
{
struct part_ent *next;
char *name;
} *ents;
/* Context for grub_device_iterate. */
struct grub_device_iterate_ctx
{
grub_device_iterate_hook_t hook;
void *hook_data;
struct part_ent *ents;
};
int iterate_disk (const char *disk_name)
/* Helper for grub_device_iterate. */
static int
iterate_partition (grub_disk_t disk, const grub_partition_t partition,
void *data)
{
struct grub_device_iterate_ctx *ctx = data;
struct part_ent *p;
char *part_name;
p = grub_malloc (sizeof (*p));
if (!p)
{
grub_device_t dev;
return 1;
}
if (hook (disk_name))
return 1;
part_name = grub_partition_get_name (partition);
if (!part_name)
{
grub_free (p);
return 1;
}
p->name = grub_xasprintf ("%s,%s", disk->name, part_name);
grub_free (part_name);
if (!p->name)
{
grub_free (p);
return 1;
}
dev = grub_device_open (disk_name);
if (! dev)
{
grub_errno = GRUB_ERR_NONE;
return 0;
}
p->next = ctx->ents;
ctx->ents = p;
if (dev->disk)
{
struct part_ent *p;
int ret = 0;
return 0;
}
ents = NULL;
(void) grub_partition_iterate (dev->disk, iterate_partition);
grub_device_close (dev);
/* Helper for grub_device_iterate. */
static int
iterate_disk (const char *disk_name, void *data)
{
struct grub_device_iterate_ctx *ctx = data;
grub_device_t dev;
grub_errno = GRUB_ERR_NONE;
if (ctx->hook (disk_name, ctx->hook_data))
return 1;
p = ents;
while (p != NULL)
{
struct part_ent *next = p->next;
if (!ret)
ret = hook (p->name);
grub_free (p->name);
grub_free (p);
p = next;
}
return ret;
}
grub_device_close (dev);
dev = grub_device_open (disk_name);
if (! dev)
{
grub_errno = GRUB_ERR_NONE;
return 0;
}
int iterate_partition (grub_disk_t disk, const grub_partition_t partition)
if (dev->disk)
{
struct part_ent *p;
char *part_name;
int ret = 0;
p = grub_malloc (sizeof (*p));
if (!p)
{
return 1;
}
ctx->ents = NULL;
(void) grub_partition_iterate (dev->disk, iterate_partition, ctx);
grub_device_close (dev);
part_name = grub_partition_get_name (partition);
if (!part_name)
grub_errno = GRUB_ERR_NONE;
p = ctx->ents;
while (p != NULL)
{
struct part_ent *next = p->next;
if (!ret)
ret = ctx->hook (p->name, ctx->hook_data);
grub_free (p->name);
grub_free (p);
return 1;
}
p->name = grub_xasprintf ("%s,%s", disk->name, part_name);
grub_free (part_name);
if (!p->name)
{
grub_free (p);
return 1;
p = next;
}
p->next = ents;
ents = p;
return 0;
return ret;
}
/* Only disk devices are supported at the moment. */
return grub_disk_dev_iterate (iterate_disk);
grub_device_close (dev);
return 0;
}
int
grub_device_iterate (grub_device_iterate_hook_t hook, void *hook_data)
{
struct grub_device_iterate_ctx ctx = { hook, hook_data, NULL };
/* Only disk devices are supported at the moment. */
return grub_disk_dev_iterate (iterate_disk, &ctx);
}

View File

@ -223,7 +223,7 @@ find_free_slot (void)
}
static int
grub_util_biosdisk_iterate (int (*hook) (const char *name),
grub_util_biosdisk_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull)
{
unsigned i;
@ -232,7 +232,7 @@ grub_util_biosdisk_iterate (int (*hook) (const char *name),
return 0;
for (i = 0; i < sizeof (map) / sizeof (map[0]); i++)
if (map[i].drive && hook (map[i].drive))
if (map[i].drive && hook (map[i].drive, hook_data))
return 1;
return 0;

View File

@ -48,8 +48,7 @@ const char *type_names[] = {
static int
iterate_rec (const char *prefix, const struct grub_arc_component *parent,
int (*hook) (const char *name,
const struct grub_arc_component *comp),
grub_arc_iterate_devs_hook_t hook, void *hook_data,
int alt_names)
{
const struct grub_arc_component *comp;
@ -67,12 +66,13 @@ iterate_rec (const char *prefix, const struct grub_arc_component *parent,
name = grub_xasprintf ("%s%s(%lu)", prefix, cname, comp->key);
if (!name)
return 1;
if (hook (name, comp))
if (hook (name, comp, hook_data))
{
grub_free (name);
return 1;
}
if (iterate_rec ((parent ? name : prefix), comp, hook, alt_names))
if (iterate_rec ((parent ? name : prefix), comp, hook, hook_data,
alt_names))
{
grub_free (name);
return 1;
@ -83,11 +83,11 @@ iterate_rec (const char *prefix, const struct grub_arc_component *parent,
}
int
grub_arc_iterate_devs (int (*hook) (const char *name,
const struct grub_arc_component *comp),
grub_arc_iterate_devs (grub_arc_iterate_devs_hook_t hook, void *hook_data,
int alt_names)
{
return iterate_rec ((alt_names ? "arc" : ""), NULL, hook, alt_names);
return iterate_rec ((alt_names ? "arc" : ""), NULL, hook, hook_data,
alt_names);
}
grub_err_t

View File

@ -59,39 +59,50 @@ grub_partition_check_containment (const grub_disk_t disk,
return 1;
}
/* Context for grub_partition_map_probe. */
struct grub_partition_map_probe_ctx
{
int partnum;
grub_partition_t p;
};
/* Helper for grub_partition_map_probe. */
static int
probe_iter (grub_disk_t dsk, const grub_partition_t partition, void *data)
{
struct grub_partition_map_probe_ctx *ctx = data;
if (ctx->partnum != partition->number)
return 0;
if (!(grub_partition_check_containment (dsk, partition)))
return 0;
ctx->p = (grub_partition_t) grub_malloc (sizeof (*ctx->p));
if (! ctx->p)
return 1;
grub_memcpy (ctx->p, partition, sizeof (*ctx->p));
return 1;
}
static grub_partition_t
grub_partition_map_probe (const grub_partition_map_t partmap,
grub_disk_t disk, int partnum)
{
grub_partition_t p = 0;
struct grub_partition_map_probe_ctx ctx = {
.partnum = partnum,
.p = 0
};
auto int find_func (grub_disk_t d, const grub_partition_t partition);
int find_func (grub_disk_t dsk,
const grub_partition_t partition)
{
if (partnum != partition->number)
return 0;
if (!(grub_partition_check_containment (dsk, partition)))
return 0;
p = (grub_partition_t) grub_malloc (sizeof (*p));
if (! p)
return 1;
grub_memcpy (p, partition, sizeof (*p));
return 1;
}
partmap->iterate (disk, find_func);
partmap->iterate (disk, probe_iter, &ctx);
if (grub_errno)
goto fail;
return p;
return ctx.p;
fail:
grub_free (p);
grub_free (ctx.p);
return 0;
}
@ -162,62 +173,71 @@ grub_partition_probe (struct grub_disk *disk, const char *str)
return part;
}
/* Context for grub_partition_iterate. */
struct grub_partition_iterate_ctx
{
int ret;
grub_partition_iterate_hook_t hook;
void *hook_data;
};
/* Helper for grub_partition_iterate. */
static int
part_iterate (grub_disk_t dsk, const grub_partition_t partition, void *data)
{
struct grub_partition_iterate_ctx *ctx = data;
struct grub_partition p = *partition;
if (!(grub_partition_check_containment (dsk, partition)))
return 0;
p.parent = dsk->partition;
dsk->partition = 0;
if (ctx->hook (dsk, &p, ctx->hook_data))
{
ctx->ret = 1;
return 1;
}
if (p.start != 0)
{
const struct grub_partition_map *partmap;
dsk->partition = &p;
FOR_PARTITION_MAPS(partmap)
{
grub_err_t err;
err = partmap->iterate (dsk, part_iterate, ctx);
if (err)
grub_errno = GRUB_ERR_NONE;
if (ctx->ret)
break;
}
}
dsk->partition = p.parent;
return ctx->ret;
}
int
grub_partition_iterate (struct grub_disk *disk,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition))
grub_partition_iterate_hook_t hook, void *hook_data)
{
int ret = 0;
auto int part_iterate (grub_disk_t dsk, const grub_partition_t p);
int part_iterate (grub_disk_t dsk,
const grub_partition_t partition)
{
struct grub_partition p = *partition;
if (!(grub_partition_check_containment (dsk, partition)))
return 0;
p.parent = dsk->partition;
dsk->partition = 0;
if (hook (dsk, &p))
{
ret = 1;
return 1;
}
if (p.start != 0)
{
const struct grub_partition_map *partmap;
dsk->partition = &p;
FOR_PARTITION_MAPS(partmap)
{
grub_err_t err;
err = partmap->iterate (dsk, part_iterate);
if (err)
grub_errno = GRUB_ERR_NONE;
if (ret)
break;
}
}
dsk->partition = p.parent;
return ret;
}
struct grub_partition_iterate_ctx ctx = {
.ret = 0,
.hook = hook,
.hook_data = hook_data
};
const struct grub_partition_map *partmap;
FOR_PARTITION_MAPS(partmap)
{
const struct grub_partition_map *partmap;
FOR_PARTITION_MAPS(partmap)
{
grub_err_t err;
err = partmap->iterate (disk, part_iterate);
if (err)
grub_errno = GRUB_ERR_NONE;
if (ret)
break;
}
grub_err_t err;
err = partmap->iterate (disk, part_iterate, &ctx);
if (err)
grub_errno = GRUB_ERR_NONE;
if (ctx.ret)
break;
}
return ret;
return ctx.ret;
}
char *

View File

@ -102,248 +102,281 @@ grub_plan9_unload (void)
return GRUB_ERR_NONE;
}
static grub_err_t
grub_cmd_plan9 (grub_extcmd_context_t ctxt, int argc, char *argv[])
/* Context for grub_cmd_plan9. */
struct grub_cmd_plan9_ctx
{
grub_file_t file = 0;
void *mem;
grub_size_t memsize, padsize;
struct grub_plan9_header hdr;
char *config, *configptr;
grub_size_t configsize;
char *pmap = NULL;
grub_size_t pmapalloc = 256;
grub_size_t pmapptr = 0;
int noslash = 1;
char prefixes[5][10] = {"dos", "plan9", "ntfs", "linux", "linuxswap"};
grub_extcmd_context_t ctxt;
grub_file_t file;
char *pmap;
grub_size_t pmapalloc;
grub_size_t pmapptr;
int noslash;
int prefixescnt[5];
char *bootdisk = NULL, *bootpart = NULL, *bootpath = NULL;
char *bootdisk, *bootpart;
};
auto int fill_partition (grub_disk_t disk,
const grub_partition_t partition);
int fill_partition (grub_disk_t disk,
const grub_partition_t partition)
{
int file_disk = 0;
int pstart, pend;
if (!noslash)
{
if (grub_extend_alloc (pmapptr + 1, &pmapalloc, (void **) &pmap))
return 1;
pmap[pmapptr++] = '/';
}
noslash = 0;
static const char prefixes[5][10] = {
"dos", "plan9", "ntfs", "linux", "linuxswap"
};
file_disk = file->device->disk && disk->id == file->device->disk->id
&& disk->dev->id == file->device->disk->dev->id;
/* Helper for grub_cmd_plan9. */
static int
fill_partition (grub_disk_t disk, const grub_partition_t partition, void *data)
{
struct grub_cmd_plan9_ctx *fill_ctx = data;
int file_disk = 0;
int pstart, pend;
pstart = pmapptr;
if (grub_strcmp (partition->partmap->name, "plan") == 0)
{
unsigned ptr = partition->index + sizeof ("part ") - 1;
grub_err_t err;
disk->partition = partition->parent;
do
{
if (grub_extend_alloc (pmapptr + 1, &pmapalloc, (void **) &pmap))
return 1;
err = grub_disk_read (disk, 1, ptr, 1, pmap + pmapptr);
if (err)
{
disk->partition = 0;
return err;
}
ptr++;
pmapptr++;
}
while (grub_isalpha (pmap[pmapptr - 1])
|| grub_isdigit (pmap[pmapptr - 1]));
pmapptr--;
}
else
{
char name[50];
int c = 0;
if (grub_strcmp (partition->partmap->name, "msdos") == 0)
{
switch (partition->msdostype)
{
case GRUB_PC_PARTITION_TYPE_PLAN9:
c = 1;
break;
case GRUB_PC_PARTITION_TYPE_NTFS:
c = 2;
break;
case GRUB_PC_PARTITION_TYPE_MINIX:
case GRUB_PC_PARTITION_TYPE_LINUX_MINIX:
case GRUB_PC_PARTITION_TYPE_EXT2FS:
c = 3;
break;
case GRUB_PC_PARTITION_TYPE_LINUX_SWAP:
c = 4;
break;
}
}
if (!fill_ctx->noslash)
{
if (grub_extend_alloc (fill_ctx->pmapptr + 1, &fill_ctx->pmapalloc,
(void **) &fill_ctx->pmap))
return 1;
fill_ctx->pmap[fill_ctx->pmapptr++] = '/';
}
fill_ctx->noslash = 0;
if (prefixescnt[c] == 0)
grub_strcpy (name, prefixes[c]);
else
grub_snprintf (name, sizeof (name), "%s.%d", prefixes[c],
prefixescnt[c]);
prefixescnt[c]++;
if (grub_extend_alloc (pmapptr + grub_strlen (name) + 1,
&pmapalloc, (void **) &pmap))
return 1;
grub_strcpy (pmap + pmapptr, name);
pmapptr += grub_strlen (name);
}
pend = pmapptr;
if (grub_extend_alloc (pmapptr + 2 + 25 + 5 + 25, &pmapalloc,
(void **) &pmap))
return 1;
pmap[pmapptr++] = ' ';
grub_snprintf (pmap + pmapptr, 25 + 5 + 25,
"%" PRIuGRUB_UINT64_T " %" PRIuGRUB_UINT64_T,
grub_partition_get_start (partition),
grub_partition_get_start (partition)
+ grub_partition_get_len (partition));
if (file_disk && grub_partition_get_start (partition)
== grub_partition_get_start (file->device->disk->partition)
&& grub_partition_get_len (partition)
== grub_partition_get_len (file->device->disk->partition))
{
grub_free (bootpart);
bootpart = grub_strndup (pmap + pstart, pend - pstart);
}
file_disk = fill_ctx->file->device->disk
&& disk->id == fill_ctx->file->device->disk->id
&& disk->dev->id == fill_ctx->file->device->disk->dev->id;
pmapptr += grub_strlen (pmap + pmapptr);
return 0;
}
auto int fill_disk (const char *name);
int fill_disk (const char *name)
{
grub_device_t dev;
char *plan9name = NULL;
unsigned i;
int file_disk = 0;
dev = grub_device_open (name);
if (!dev)
{
grub_print_error ();
return 0;
}
if (!dev->disk)
{
grub_device_close (dev);
return 0;
}
file_disk = file->device->disk && dev->disk->id == file->device->disk->id
&& dev->disk->dev->id == file->device->disk->dev->id;
for (i = 0; ctxt->state[0].args && ctxt->state[0].args[i]; i++)
if (grub_strncmp (name, ctxt->state[0].args[i], grub_strlen (name)) == 0
&& ctxt->state[0].args[i][grub_strlen (name)] == '=')
break;
if (ctxt->state[0].args && ctxt->state[0].args[i])
plan9name = grub_strdup (ctxt->state[0].args[i] + grub_strlen (name) + 1);
else
switch (dev->disk->dev->id)
pstart = fill_ctx->pmapptr;
if (grub_strcmp (partition->partmap->name, "plan") == 0)
{
unsigned ptr = partition->index + sizeof ("part ") - 1;
grub_err_t err;
disk->partition = partition->parent;
do
{
case GRUB_DISK_DEVICE_BIOSDISK_ID:
if (dev->disk->id & 0x80)
plan9name = grub_xasprintf ("sdB%u",
(unsigned) (dev->disk->id & 0x7f));
else
plan9name = grub_xasprintf ("fd%u",
(unsigned) (dev->disk->id & 0x7f));
break;
/* Shouldn't happen as Plan9 doesn't work on these platforms. */
case GRUB_DISK_DEVICE_OFDISK_ID:
case GRUB_DISK_DEVICE_EFIDISK_ID:
/* Plan9 doesn't see those. */
default:
/* Not sure how to handle those. */
case GRUB_DISK_DEVICE_NAND_ID:
if (!file_disk)
if (grub_extend_alloc (fill_ctx->pmapptr + 1, &fill_ctx->pmapalloc,
(void **) &fill_ctx->pmap))
return 1;
err = grub_disk_read (disk, 1, ptr, 1,
fill_ctx->pmap + fill_ctx->pmapptr);
if (err)
{
grub_device_close (dev);
return 0;
disk->partition = 0;
return err;
}
/* if it's the disk the kernel is loaded from we need to name
it nevertheless. */
plan9name = grub_strdup ("sdZ0");
break;
ptr++;
fill_ctx->pmapptr++;
}
while (grub_isalpha (fill_ctx->pmap[fill_ctx->pmapptr - 1])
|| grub_isdigit (fill_ctx->pmap[fill_ctx->pmapptr - 1]));
fill_ctx->pmapptr--;
}
else
{
char name[50];
int c = 0;
if (grub_strcmp (partition->partmap->name, "msdos") == 0)
{
switch (partition->msdostype)
{
case GRUB_PC_PARTITION_TYPE_PLAN9:
c = 1;
break;
case GRUB_PC_PARTITION_TYPE_NTFS:
c = 2;
break;
case GRUB_PC_PARTITION_TYPE_MINIX:
case GRUB_PC_PARTITION_TYPE_LINUX_MINIX:
case GRUB_PC_PARTITION_TYPE_EXT2FS:
c = 3;
break;
case GRUB_PC_PARTITION_TYPE_LINUX_SWAP:
c = 4;
break;
}
}
case GRUB_DISK_DEVICE_ATA_ID:
if (fill_ctx->prefixescnt[c] == 0)
grub_strcpy (name, prefixes[c]);
else
grub_snprintf (name, sizeof (name), "%s.%d", prefixes[c],
fill_ctx->prefixescnt[c]);
fill_ctx->prefixescnt[c]++;
if (grub_extend_alloc (fill_ctx->pmapptr + grub_strlen (name) + 1,
&fill_ctx->pmapalloc, (void **) &fill_ctx->pmap))
return 1;
grub_strcpy (fill_ctx->pmap + fill_ctx->pmapptr, name);
fill_ctx->pmapptr += grub_strlen (name);
}
pend = fill_ctx->pmapptr;
if (grub_extend_alloc (fill_ctx->pmapptr + 2 + 25 + 5 + 25,
&fill_ctx->pmapalloc, (void **) &fill_ctx->pmap))
return 1;
fill_ctx->pmap[fill_ctx->pmapptr++] = ' ';
grub_snprintf (fill_ctx->pmap + fill_ctx->pmapptr, 25 + 5 + 25,
"%" PRIuGRUB_UINT64_T " %" PRIuGRUB_UINT64_T,
grub_partition_get_start (partition),
grub_partition_get_start (partition)
+ grub_partition_get_len (partition));
if (file_disk && grub_partition_get_start (partition)
== grub_partition_get_start (fill_ctx->file->device->disk->partition)
&& grub_partition_get_len (partition)
== grub_partition_get_len (fill_ctx->file->device->disk->partition))
{
grub_free (fill_ctx->bootpart);
fill_ctx->bootpart = grub_strndup (fill_ctx->pmap + pstart,
pend - pstart);
}
fill_ctx->pmapptr += grub_strlen (fill_ctx->pmap + fill_ctx->pmapptr);
return 0;
}
/* Helper for grub_cmd_plan9. */
static int
fill_disk (const char *name, void *data)
{
struct grub_cmd_plan9_ctx *fill_ctx = data;
grub_device_t dev;
char *plan9name = NULL;
unsigned i;
int file_disk = 0;
dev = grub_device_open (name);
if (!dev)
{
grub_print_error ();
return 0;
}
if (!dev->disk)
{
grub_device_close (dev);
return 0;
}
file_disk = fill_ctx->file->device->disk
&& dev->disk->id == fill_ctx->file->device->disk->id
&& dev->disk->dev->id == fill_ctx->file->device->disk->dev->id;
for (i = 0;
fill_ctx->ctxt->state[0].args && fill_ctx->ctxt->state[0].args[i]; i++)
if (grub_strncmp (name, fill_ctx->ctxt->state[0].args[i],
grub_strlen (name)) == 0
&& fill_ctx->ctxt->state[0].args[i][grub_strlen (name)] == '=')
break;
if (fill_ctx->ctxt->state[0].args && fill_ctx->ctxt->state[0].args[i])
plan9name = grub_strdup (fill_ctx->ctxt->state[0].args[i]
+ grub_strlen (name) + 1);
else
switch (dev->disk->dev->id)
{
case GRUB_DISK_DEVICE_BIOSDISK_ID:
if (dev->disk->id & 0x80)
plan9name = grub_xasprintf ("sdB%u",
(unsigned) (dev->disk->id & 0x7f));
else
plan9name = grub_xasprintf ("fd%u",
(unsigned) (dev->disk->id & 0x7f));
break;
/* Shouldn't happen as Plan9 doesn't work on these platforms. */
case GRUB_DISK_DEVICE_OFDISK_ID:
case GRUB_DISK_DEVICE_EFIDISK_ID:
/* Plan9 doesn't see those. */
default:
/* Not sure how to handle those. */
case GRUB_DISK_DEVICE_NAND_ID:
if (!file_disk)
{
grub_device_close (dev);
return 0;
}
/* if it's the disk the kernel is loaded from we need to name
it nevertheless. */
plan9name = grub_strdup ("sdZ0");
break;
case GRUB_DISK_DEVICE_ATA_ID:
{
int unit;
if (grub_strlen (dev->disk->name) < sizeof ("ata0") - 1)
unit = 0;
else
unit = grub_strtoul (dev->disk->name + sizeof ("ata0") - 1, 0, 0);
plan9name = grub_xasprintf ("sd%c%d", 'C' + unit / 2, unit % 2);
}
break;
case GRUB_DISK_DEVICE_SCSI_ID:
if (((dev->disk->id >> GRUB_SCSI_ID_SUBSYSTEM_SHIFT) & 0xff)
== GRUB_SCSI_SUBSYSTEM_PATA)
{
int unit;
if (grub_strlen (dev->disk->name) < sizeof ("ata0") - 1)
unit = 0;
else
unit = grub_strtoul (dev->disk->name + sizeof ("ata0") - 1, 0, 0);
unit = grub_strtoul (dev->disk->name + sizeof ("ata0") - 1,
0, 0);
plan9name = grub_xasprintf ("sd%c%d", 'C' + unit / 2, unit % 2);
break;
}
break;
case GRUB_DISK_DEVICE_SCSI_ID:
if (((dev->disk->id >> GRUB_SCSI_ID_SUBSYSTEM_SHIFT) & 0xff)
== GRUB_SCSI_SUBSYSTEM_PATA)
{
int unit;
if (grub_strlen (dev->disk->name) < sizeof ("ata0") - 1)
unit = 0;
else
unit = grub_strtoul (dev->disk->name + sizeof ("ata0") - 1,
0, 0);
plan9name = grub_xasprintf ("sd%c%d", 'C' + unit / 2, unit % 2);
break;
}
/* FIXME: how does Plan9 number controllers?
We probably need save the SCSI devices and sort them */
plan9name
= grub_xasprintf ("sd0%u", (unsigned)
((dev->disk->id >> GRUB_SCSI_ID_BUS_SHIFT)
& 0xf));
break;
}
if (!plan9name)
{
grub_print_error ();
return 0;
/* FIXME: how does Plan9 number controllers?
We probably need save the SCSI devices and sort them */
plan9name
= grub_xasprintf ("sd0%u", (unsigned)
((dev->disk->id >> GRUB_SCSI_ID_BUS_SHIFT)
& 0xf));
break;
}
if (grub_extend_alloc (pmapptr + grub_strlen (plan9name)
+ sizeof ("part="), &pmapalloc,
(void **) &pmap))
{
grub_free (plan9name);
return 1;
}
grub_strcpy (pmap + pmapptr, plan9name);
pmapptr += grub_strlen (plan9name);
if (!file_disk)
if (!plan9name)
{
grub_print_error ();
return 0;
}
if (grub_extend_alloc (fill_ctx->pmapptr + grub_strlen (plan9name)
+ sizeof ("part="), &fill_ctx->pmapalloc,
(void **) &fill_ctx->pmap))
{
grub_free (plan9name);
else
{
grub_free (bootdisk);
bootdisk = plan9name;
}
grub_strcpy (pmap + pmapptr, "part=");
pmapptr += sizeof ("part=") - 1;
noslash = 1;
grub_memset (prefixescnt, 0, sizeof (prefixescnt));
if (grub_partition_iterate (dev->disk, fill_partition))
return 1;
if (grub_extend_alloc (pmapptr + 1, &pmapalloc, (void **) &pmap))
return 1;
pmap[pmapptr++] = '\n';
}
grub_strcpy (fill_ctx->pmap + fill_ctx->pmapptr, plan9name);
fill_ctx->pmapptr += grub_strlen (plan9name);
if (!file_disk)
grub_free (plan9name);
else
{
grub_free (fill_ctx->bootdisk);
fill_ctx->bootdisk = plan9name;
}
grub_strcpy (fill_ctx->pmap + fill_ctx->pmapptr, "part=");
fill_ctx->pmapptr += sizeof ("part=") - 1;
return 0;
}
fill_ctx->noslash = 1;
grub_memset (fill_ctx->prefixescnt, 0, sizeof (fill_ctx->prefixescnt));
if (grub_partition_iterate (dev->disk, fill_partition, fill_ctx))
return 1;
if (grub_extend_alloc (fill_ctx->pmapptr + 1, &fill_ctx->pmapalloc,
(void **) &fill_ctx->pmap))
return 1;
fill_ctx->pmap[fill_ctx->pmapptr++] = '\n';
return 0;
}
static grub_err_t
grub_cmd_plan9 (grub_extcmd_context_t ctxt, int argc, char *argv[])
{
struct grub_cmd_plan9_ctx fill_ctx = {
.ctxt = ctxt,
.file = 0,
.pmap = NULL,
.pmapalloc = 256,
.pmapptr = 0,
.noslash = 1,
.bootdisk = NULL,
.bootpart = NULL
};
void *mem;
grub_size_t memsize, padsize;
struct grub_plan9_header hdr;
char *config, *configptr;
grub_size_t configsize;
char *bootpath = NULL;
if (argc == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));
@ -354,21 +387,21 @@ grub_cmd_plan9 (grub_extcmd_context_t ctxt, int argc, char *argv[])
if (!rel)
goto fail;
file = grub_file_open (argv[0]);
if (! file)
fill_ctx.file = grub_file_open (argv[0]);
if (! fill_ctx.file)
goto fail;
pmap = grub_malloc (pmapalloc);
if (!pmap)
fill_ctx.pmap = grub_malloc (fill_ctx.pmapalloc);
if (!fill_ctx.pmap)
goto fail;
if (grub_disk_dev_iterate (fill_disk))
if (grub_disk_dev_iterate (fill_disk, &fill_ctx))
goto fail;
if (grub_extend_alloc (pmapptr + 1, &pmapalloc,
(void **) &pmap))
if (grub_extend_alloc (fill_ctx.pmapptr + 1, &fill_ctx.pmapalloc,
(void **) &fill_ctx.pmap))
goto fail;
pmap[pmapptr] = 0;
fill_ctx.pmap[fill_ctx.pmapptr] = 0;
{
char *file_name = grub_strchr (argv[0], ')');
@ -379,17 +412,19 @@ grub_cmd_plan9 (grub_extcmd_context_t ctxt, int argc, char *argv[])
if (*file_name)
file_name++;
if (bootpart)
bootpath = grub_xasprintf ("%s!%s!%s", bootdisk, bootpart, file_name);
if (fill_ctx.bootpart)
bootpath = grub_xasprintf ("%s!%s!%s", fill_ctx.bootdisk,
fill_ctx.bootpart, file_name);
else
bootpath = grub_xasprintf ("%s!%s", bootdisk, file_name);
grub_free (bootdisk);
grub_free (bootpart);
bootpath = grub_xasprintf ("%s!%s", fill_ctx.bootdisk, file_name);
grub_free (fill_ctx.bootdisk);
grub_free (fill_ctx.bootpart);
}
if (!bootpath)
goto fail;
if (grub_file_read (file, &hdr, sizeof (hdr)) != (grub_ssize_t) sizeof (hdr))
if (grub_file_read (fill_ctx.file, &hdr,
sizeof (hdr)) != (grub_ssize_t) sizeof (hdr))
{
if (!grub_errno)
grub_error (GRUB_ERR_BAD_OS, N_("premature end of file %s"),
@ -420,7 +455,7 @@ grub_cmd_plan9 (grub_extcmd_context_t ctxt, int argc, char *argv[])
configsize += grub_strlen (argv[i]) + 1;
}
configsize += (sizeof ("bootfile=") - 1) + grub_strlen (bootpath) + 1;
configsize += pmapptr;
configsize += fill_ctx.pmapptr;
/* Terminating \0. */
configsize++;
@ -452,7 +487,7 @@ grub_cmd_plan9 (grub_extcmd_context_t ctxt, int argc, char *argv[])
*configptr++ = '\n';
}
}
configptr = grub_stpcpy (configptr, pmap);
configptr = grub_stpcpy (configptr, fill_ctx.pmap);
{
grub_relocator_chunk_t ch;
@ -471,7 +506,7 @@ grub_cmd_plan9 (grub_extcmd_context_t ctxt, int argc, char *argv[])
grub_memcpy (ptr, &hdr, sizeof (hdr));
ptr += sizeof (hdr);
if (grub_file_read (file, ptr, grub_be_to_cpu32 (hdr.text_size))
if (grub_file_read (fill_ctx.file, ptr, grub_be_to_cpu32 (hdr.text_size))
!= (grub_ssize_t) grub_be_to_cpu32 (hdr.text_size))
{
if (!grub_errno)
@ -487,7 +522,7 @@ grub_cmd_plan9 (grub_extcmd_context_t ctxt, int argc, char *argv[])
grub_memset (ptr, 0, padsize);
ptr += padsize;
if (grub_file_read (file, ptr, grub_be_to_cpu32 (hdr.data_size))
if (grub_file_read (fill_ctx.file, ptr, grub_be_to_cpu32 (hdr.data_size))
!= (grub_ssize_t) grub_be_to_cpu32 (hdr.data_size))
{
if (!grub_errno)
@ -508,10 +543,10 @@ grub_cmd_plan9 (grub_extcmd_context_t ctxt, int argc, char *argv[])
return GRUB_ERR_NONE;
fail:
grub_free (pmap);
grub_free (fill_ctx.pmap);
if (file)
grub_file_close (file);
if (fill_ctx.file)
grub_file_close (fill_ctx.file);
grub_plan9_unload ();

View File

@ -99,7 +99,8 @@ add_completion (const char *completion, const char *extra,
}
static int
iterate_partition (grub_disk_t disk, const grub_partition_t p)
iterate_partition (grub_disk_t disk, const grub_partition_t p,
void *data __attribute__ ((unused)))
{
const char *disk_name = disk->name;
char *name;
@ -154,7 +155,7 @@ iterate_dir (const char *filename, const struct grub_dirhook_info *info)
}
static int
iterate_dev (const char *devname)
iterate_dev (const char *devname, void *data __attribute__ ((unused)))
{
grub_device_t dev;
@ -180,7 +181,7 @@ iterate_dev (const char *devname)
}
if (dev->disk)
if (grub_partition_iterate (dev->disk, iterate_partition))
if (grub_partition_iterate (dev->disk, iterate_partition, NULL))
{
grub_device_close (dev);
return 1;
@ -213,7 +214,7 @@ complete_device (void)
if (! p)
{
/* Complete the disk part. */
if (grub_disk_dev_iterate (iterate_dev))
if (grub_disk_dev_iterate (iterate_dev, NULL))
return 1;
}
else
@ -228,7 +229,7 @@ complete_device (void)
{
if (dev->disk)
{
if (grub_partition_iterate (dev->disk, iterate_partition))
if (grub_partition_iterate (dev->disk, iterate_partition, NULL))
{
grub_device_close (dev);
return 1;

View File

@ -101,8 +101,8 @@ fail:
static grub_err_t
acorn_partition_map_iterate (grub_disk_t disk,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition))
grub_partition_iterate_hook_t hook,
void *hook_data)
{
struct grub_partition part;
struct linux_part map[LINUX_MAP_ENTRIES];
@ -127,7 +127,7 @@ acorn_partition_map_iterate (grub_disk_t disk,
part.offset = 6;
part.number = part.index = i;
if (hook (disk, &part))
if (hook (disk, &part, hook_data))
return grub_errno;
}

View File

@ -87,8 +87,8 @@ amiga_partition_map_checksum (void *buf, grub_size_t sz)
static grub_err_t
amiga_partition_map_iterate (grub_disk_t disk,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition))
grub_partition_iterate_hook_t hook,
void *hook_data)
{
struct grub_partition part;
struct grub_amiga_rdsk rdsk;
@ -145,7 +145,7 @@ amiga_partition_map_iterate (grub_disk_t disk,
part.index = 0;
part.partmap = &grub_amiga_partition_map;
if (hook (disk, &part))
if (hook (disk, &part, hook_data))
return grub_errno;
next = grub_be_to_cpu32 (apart.next);

View File

@ -101,8 +101,8 @@ static struct grub_partition_map grub_apple_partition_map;
static grub_err_t
apple_partition_map_iterate (grub_disk_t disk,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition))
grub_partition_iterate_hook_t hook,
void *hook_data)
{
struct grub_partition part;
struct grub_apple_header aheader;
@ -163,7 +163,7 @@ apple_partition_map_iterate (grub_disk_t disk,
grub_be_to_cpu32 (apart.first_phys_block),
grub_be_to_cpu32 (apart.blockcnt));
if (hook (disk, &part))
if (hook (disk, &part, hook_data))
return grub_errno;
pos += grub_be_to_cpu16 (aheader.blocksize);

View File

@ -41,8 +41,7 @@ static struct grub_partition_map grub_openbsdlabel_partition_map;
static grub_err_t
iterate_real (grub_disk_t disk, grub_disk_addr_t sector, int freebsd,
struct grub_partition_map *pmap,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition))
grub_partition_iterate_hook_t hook, void *hook_data)
{
struct grub_partition_bsd_disk_label label;
struct grub_partition p;
@ -116,7 +115,7 @@ iterate_real (grub_disk_t disk, grub_disk_addr_t sector, int freebsd,
p.start -= delta;
if (hook (disk, &p))
if (hook (disk, &p, hook_data))
return grub_errno;
}
return GRUB_ERR_NONE;
@ -124,14 +123,14 @@ iterate_real (grub_disk_t disk, grub_disk_addr_t sector, int freebsd,
static grub_err_t
bsdlabel_partition_map_iterate (grub_disk_t disk,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition))
grub_partition_iterate_hook_t hook,
void *hook_data)
{
if (disk->partition && grub_strcmp (disk->partition->partmap->name, "msdos")
== 0 && disk->partition->msdostype == GRUB_PC_PARTITION_TYPE_FREEBSD)
return iterate_real (disk, GRUB_PC_PARTITION_BSD_LABEL_SECTOR, 1,
&grub_bsdlabel_partition_map, hook);
&grub_bsdlabel_partition_map, hook, hook_data);
if (disk->partition
&& (grub_strcmp (disk->partition->partmap->name, "msdos") == 0
@ -141,7 +140,44 @@ bsdlabel_partition_map_iterate (grub_disk_t disk,
return grub_error (GRUB_ERR_BAD_PART_TABLE, "no embedding supported");
return iterate_real (disk, GRUB_PC_PARTITION_BSD_LABEL_SECTOR, 0,
&grub_bsdlabel_partition_map, hook);
&grub_bsdlabel_partition_map, hook, hook_data);
}
/* Context for netopenbsdlabel_partition_map_iterate. */
struct netopenbsdlabel_ctx
{
grub_uint8_t type;
struct grub_partition_map *pmap;
grub_partition_iterate_hook_t hook;
void *hook_data;
int count;
};
/* Helper for netopenbsdlabel_partition_map_iterate. */
static int
check_msdos (grub_disk_t dsk, const grub_partition_t partition, void *data)
{
struct netopenbsdlabel_ctx *ctx = data;
grub_err_t err;
if (partition->msdostype != ctx->type)
return 0;
err = iterate_real (dsk, partition->start
+ GRUB_PC_PARTITION_BSD_LABEL_SECTOR, 0, ctx->pmap,
ctx->hook, ctx->hook_data);
if (err == GRUB_ERR_NONE)
{
ctx->count++;
return 1;
}
if (err == GRUB_ERR_BAD_PART_TABLE)
{
grub_errno = GRUB_ERR_NONE;
return 0;
}
grub_print_error ();
return 0;
}
/* This is a total breakage. Even when net-/openbsd label is inside partition
@ -150,45 +186,26 @@ bsdlabel_partition_map_iterate (grub_disk_t disk,
static grub_err_t
netopenbsdlabel_partition_map_iterate (grub_disk_t disk, grub_uint8_t type,
struct grub_partition_map *pmap,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition))
grub_partition_iterate_hook_t hook,
void *hook_data)
{
int count = 0;
auto int check_msdos (grub_disk_t dsk,
const grub_partition_t partition);
int check_msdos (grub_disk_t dsk,
const grub_partition_t partition)
{
grub_err_t err;
if (partition->msdostype != type)
return 0;
err = iterate_real (dsk, partition->start
+ GRUB_PC_PARTITION_BSD_LABEL_SECTOR, 0, pmap, hook);
if (err == GRUB_ERR_NONE)
{
count++;
return 1;
}
if (err == GRUB_ERR_BAD_PART_TABLE)
{
grub_errno = GRUB_ERR_NONE;
return 0;
}
grub_print_error ();
return 0;
}
if (disk->partition && grub_strcmp (disk->partition->partmap->name, "msdos")
== 0)
return grub_error (GRUB_ERR_BAD_PART_TABLE, "no embedding supported");
{
struct netopenbsdlabel_ctx ctx = {
.type = type,
.pmap = pmap,
.hook = hook,
.hook_data = hook_data,
.count = count
};
grub_err_t err;
err = grub_partition_msdos_iterate (disk, check_msdos);
err = grub_partition_msdos_iterate (disk, check_msdos, &ctx);
if (err)
return err;
@ -200,24 +217,24 @@ netopenbsdlabel_partition_map_iterate (grub_disk_t disk, grub_uint8_t type,
static grub_err_t
netbsdlabel_partition_map_iterate (grub_disk_t disk,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition))
grub_partition_iterate_hook_t hook,
void *hook_data)
{
return netopenbsdlabel_partition_map_iterate (disk,
GRUB_PC_PARTITION_TYPE_NETBSD,
&grub_netbsdlabel_partition_map,
hook);
hook, hook_data);
}
static grub_err_t
openbsdlabel_partition_map_iterate (grub_disk_t disk,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition))
grub_partition_iterate_hook_t hook,
void *hook_data)
{
return netopenbsdlabel_partition_map_iterate (disk,
GRUB_PC_PARTITION_TYPE_OPENBSD,
&grub_openbsdlabel_partition_map,
hook);
hook, hook_data);
}

View File

@ -64,8 +64,7 @@ grub_dvh_is_valid (grub_uint32_t *label)
static grub_err_t
dvh_partition_map_iterate (grub_disk_t disk,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition))
grub_partition_iterate_hook_t hook, void *hook_data)
{
struct grub_partition p;
union
@ -101,7 +100,7 @@ dvh_partition_map_iterate (grub_disk_t disk,
p.start = grub_be_to_cpu32 (block.dvh.parts[partnum].start);
p.len = grub_be_to_cpu32 (block.dvh.parts[partnum].length);
p.number = p.index = partnum;
if (hook (disk, &p))
if (hook (disk, &p, hook_data))
break;
}

View File

@ -48,8 +48,8 @@ static struct grub_partition_map grub_gpt_partition_map;
grub_err_t
grub_gpt_partition_map_iterate (grub_disk_t disk,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition))
grub_partition_iterate_hook_t hook,
void *hook_data)
{
struct grub_partition part;
struct grub_gpt_header gpt;
@ -113,7 +113,7 @@ grub_gpt_partition_map_iterate (grub_disk_t disk,
(unsigned long long) part.start,
(unsigned long long) part.len);
if (hook (disk, &part))
if (hook (disk, &part, hook_data))
return grub_errno;
}
@ -129,71 +129,81 @@ grub_gpt_partition_map_iterate (grub_disk_t disk,
}
#ifdef GRUB_UTIL
/* Context for gpt_partition_map_embed. */
struct gpt_partition_map_embed_ctx
{
grub_disk_addr_t start, len;
};
/* Helper for gpt_partition_map_embed. */
static int
find_usable_region (grub_disk_t disk __attribute__ ((unused)),
const grub_partition_t p, void *data)
{
struct gpt_partition_map_embed_ctx *ctx = data;
struct grub_gpt_partentry gptdata;
grub_partition_t p2;
p2 = disk->partition;
disk->partition = p->parent;
if (grub_disk_read (disk, p->offset, p->index,
sizeof (gptdata), &gptdata))
{
disk->partition = p2;
return 0;
}
disk->partition = p2;
/* If there's an embed region, it is in a dedicated partition. */
if (! grub_memcmp (&gptdata.type, &grub_gpt_partition_type_bios_boot, 16))
{
ctx->start = p->start;
ctx->len = p->len;
return 1;
}
return 0;
}
static grub_err_t
gpt_partition_map_embed (struct grub_disk *disk_, unsigned int *nsectors,
gpt_partition_map_embed (struct grub_disk *disk, unsigned int *nsectors,
unsigned int max_nsectors,
grub_embed_type_t embed_type,
grub_disk_addr_t **sectors)
{
grub_disk_addr_t start = 0, len = 0;
struct gpt_partition_map_embed_ctx ctx = {
.start = 0,
.len = 0
};
unsigned i;
grub_err_t err;
auto int NESTED_FUNC_ATTR find_usable_region (grub_disk_t disk,
const grub_partition_t p);
int NESTED_FUNC_ATTR find_usable_region (grub_disk_t disk __attribute__ ((unused)),
const grub_partition_t p)
{
struct grub_gpt_partentry gptdata;
grub_partition_t p2;
p2 = disk->partition;
disk->partition = p->parent;
if (grub_disk_read (disk, p->offset, p->index,
sizeof (gptdata), &gptdata))
{
disk->partition = p2;
return 0;
}
disk->partition = p2;
/* If there's an embed region, it is in a dedicated partition. */
if (! grub_memcmp (&gptdata.type, &grub_gpt_partition_type_bios_boot, 16))
{
start = p->start;
len = p->len;
return 1;
}
return 0;
}
if (embed_type != GRUB_EMBED_PCBIOS)
return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
"GPT currently supports only PC-BIOS embedding");
err = grub_gpt_partition_map_iterate (disk_, find_usable_region);
err = grub_gpt_partition_map_iterate (disk, find_usable_region, &ctx);
if (err)
return err;
if (len == 0)
if (ctx.len == 0)
return grub_error (GRUB_ERR_FILE_NOT_FOUND,
N_("this GPT partition label contains no BIOS Boot Partition;"
" embedding won't be possible"));
if (len < *nsectors)
if (ctx.len < *nsectors)
return grub_error (GRUB_ERR_OUT_OF_RANGE,
N_("your BIOS Boot Partition is too small;"
" embedding won't be possible"));
*nsectors = len;
*nsectors = ctx.len;
if (*nsectors > max_nsectors)
*nsectors = max_nsectors;
*sectors = grub_malloc (*nsectors * sizeof (**sectors));
if (!*sectors)
return grub_errno;
for (i = 0; i < *nsectors; i++)
(*sectors)[i] = start + i;
(*sectors)[i] = ctx.start + i;
return GRUB_ERR_NONE;
}

View File

@ -100,8 +100,8 @@ struct embed_signature embed_signatures[] =
grub_err_t
grub_partition_msdos_iterate (grub_disk_t disk,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition))
grub_partition_iterate_hook_t hook,
void *hook_data)
{
struct grub_partition p;
struct grub_msdos_partition_mbr mbr;
@ -186,7 +186,7 @@ grub_partition_msdos_iterate (grub_disk_t disk,
{
p.number++;
if (hook (disk, &p))
if (hook (disk, &p, hook_data))
return grub_errno;
}
else if (p.number < 4)

View File

@ -31,8 +31,8 @@ static struct grub_partition_map grub_plan_partition_map;
static grub_err_t
plan_partition_map_iterate (grub_disk_t disk,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition))
grub_partition_iterate_hook_t hook,
void *hook_data)
{
struct grub_partition p;
int ptr = 0;
@ -92,7 +92,7 @@ plan_partition_map_iterate (grub_disk_t disk,
if (c != '\n')
break;
p.len -= p.start;
if (hook (disk, &p))
if (hook (disk, &p, hook_data))
return grub_errno;
}
if (p.number == 0)

View File

@ -86,8 +86,7 @@ grub_sun_is_valid (grub_uint16_t *label)
static grub_err_t
sun_partition_map_iterate (grub_disk_t disk,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition))
grub_partition_iterate_hook_t hook, void *hook_data)
{
struct grub_partition p;
union
@ -128,7 +127,7 @@ sun_partition_map_iterate (grub_disk_t disk,
p.number = p.index = partnum;
if (p.len)
{
if (hook (disk, &p))
if (hook (disk, &p, hook_data))
partnum = GRUB_PARTMAP_SUN_MAX_PARTS;
}
}

View File

@ -68,8 +68,8 @@ grub_sun_is_valid (grub_uint16_t *label)
static grub_err_t
sun_pc_partition_map_iterate (grub_disk_t disk,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition))
grub_partition_iterate_hook_t hook,
void *hook_data)
{
grub_partition_t p;
union
@ -122,7 +122,7 @@ sun_pc_partition_map_iterate (grub_disk_t disk,
p->number = partnum;
if (p->len)
{
if (hook (disk, p))
if (hook (disk, p, hook_data))
partnum = GRUB_PARTMAP_SUN_PC_MAX_PARTS;
}
}

View File

@ -255,7 +255,12 @@ struct grub_arc_system_parameter_block
#define GRUB_ARC_STDIN 0
#define GRUB_ARC_STDOUT 1
int EXPORT_FUNC (grub_arc_iterate_devs) (int (*hook) (const char *name, const struct grub_arc_component *comp), int alt_names);
typedef int (*grub_arc_iterate_devs_hook_t)
(const char *name, const struct grub_arc_component *comp, void *data);
int EXPORT_FUNC (grub_arc_iterate_devs) (grub_arc_iterate_devs_hook_t hook,
void *hook_data,
int alt_names);
#define FOR_ARC_CHILDREN(comp, parent) for (comp = GRUB_ARC_FIRMWARE_VECTOR->getchild (parent); comp; comp = GRUB_ARC_FIRMWARE_VECTOR->getpeer (comp))

View File

@ -193,10 +193,12 @@ struct grub_ata
typedef struct grub_ata *grub_ata_t;
typedef int (*grub_ata_dev_iterate_hook_t) (int id, int bus, void *data);
struct grub_ata_dev
{
/* Call HOOK with each device name, until HOOK returns non-zero. */
int (*iterate) (int (*hook) (int id, int bus),
int (*iterate) (grub_ata_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull);
/* Open the device named NAME, and set up SCSI. */

View File

@ -33,8 +33,11 @@ struct grub_device
};
typedef struct grub_device *grub_device_t;
typedef int (*grub_device_iterate_hook_t) (const char *name, void *data);
grub_device_t EXPORT_FUNC(grub_device_open) (const char *name);
grub_err_t EXPORT_FUNC(grub_device_close) (grub_device_t device);
int EXPORT_FUNC(grub_device_iterate) (int (*hook) (const char *name));
int EXPORT_FUNC(grub_device_iterate) (grub_device_iterate_hook_t hook,
void *hook_data);
#endif /* ! GRUB_DEVICE_HEADER */

View File

@ -56,6 +56,8 @@ typedef enum
GRUB_DISK_PULL_MAX
} grub_disk_pull_t;
typedef int (*grub_disk_dev_iterate_hook_t) (const char *name, void *data);
/* Disk device. */
struct grub_disk_dev
{
@ -66,7 +68,7 @@ struct grub_disk_dev
enum grub_disk_dev_id id;
/* Call HOOK with each device name, until HOOK returns non-zero. */
int (*iterate) (int (*hook) (const char *name),
int (*iterate) (grub_disk_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull);
/* Open the device named NAME, and set up DISK. */
@ -158,14 +160,14 @@ void grub_disk_cache_invalidate_all (void);
void EXPORT_FUNC(grub_disk_dev_register) (grub_disk_dev_t dev);
void EXPORT_FUNC(grub_disk_dev_unregister) (grub_disk_dev_t dev);
static inline int
grub_disk_dev_iterate (int (*hook) (const char *name))
grub_disk_dev_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data)
{
grub_disk_dev_t p;
grub_disk_pull_t pull;
for (pull = 0; pull < GRUB_DISK_PULL_MAX; pull++)
for (p = grub_disk_dev_list; p; p = p->next)
if (p->iterate && (p->iterate) (hook, pull))
if (p->iterate && (p->iterate) (hook, hook_data, pull))
return 1;
return 0;

View File

@ -80,8 +80,8 @@ struct grub_gpt_partentry
grub_err_t
grub_gpt_partition_map_iterate (grub_disk_t disk,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition));
grub_partition_iterate_hook_t hook,
void *hook_data);
#endif /* ! GRUB_GPT_PARTITION_HEADER */

View File

@ -120,7 +120,7 @@ grub_msdos_partition_is_extended (int type)
grub_err_t
grub_partition_msdos_iterate (grub_disk_t disk,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition));
grub_partition_iterate_hook_t hook,
void *hook_data);
#endif /* ! GRUB_PC_PARTITION_HEADER */

View File

@ -33,6 +33,10 @@ typedef enum
} grub_embed_type_t;
#endif
typedef int (*grub_partition_iterate_hook_t) (struct grub_disk *disk,
const grub_partition_t partition,
void *data);
/* Partition map type. */
struct grub_partition_map
{
@ -45,8 +49,7 @@ struct grub_partition_map
/* Call HOOK with each partition, until HOOK returns non-zero. */
grub_err_t (*iterate) (struct grub_disk *disk,
int (*hook) (struct grub_disk *disk,
const grub_partition_t partition));
grub_partition_iterate_hook_t hook, void *hook_data);
#ifdef GRUB_UTIL
/* Determine sectors available for embedding. */
grub_err_t (*embed) (struct grub_disk *disk, unsigned int *nsectors,
@ -89,8 +92,8 @@ struct grub_partition
grub_partition_t EXPORT_FUNC(grub_partition_probe) (struct grub_disk *disk,
const char *str);
int EXPORT_FUNC(grub_partition_iterate) (struct grub_disk *disk,
int (*hook) (struct grub_disk *disk,
const grub_partition_t partition));
grub_partition_iterate_hook_t hook,
void *hook_data);
char *EXPORT_FUNC(grub_partition_get_name) (const grub_partition_t partition);

View File

@ -49,10 +49,13 @@ grub_make_scsi_id (int subsystem, int bus, int lun)
| (bus << GRUB_SCSI_ID_BUS_SHIFT) | (lun << GRUB_SCSI_ID_LUN_SHIFT);
}
typedef int (*grub_scsi_dev_iterate_hook_t) (int id, int bus, int luns,
void *data);
struct grub_scsi_dev
{
/* Call HOOK with each device name, until HOOK returns non-zero. */
int (*iterate) (int NESTED_FUNC_ATTR (*hook) (int id, int bus, int luns),
int (*iterate) (grub_scsi_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull);
/* Open the device named NAME, and set up SCSI. */

View File

@ -2198,6 +2198,36 @@ grub_util_get_os_disk (const char *os_dev)
return convert_system_partition_to_system_disk (os_dev, &st, &is_part);
}
#if defined(__linux__) || defined(__CYGWIN__) || defined(HAVE_DIOCGDINFO) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined (__sun__)
/* Context for grub_util_biosdisk_get_grub_dev. */
struct grub_util_biosdisk_get_grub_dev_ctx
{
char *partname;
grub_disk_addr_t start;
};
/* Helper for grub_util_biosdisk_get_grub_dev. */
static int
find_partition (grub_disk_t dsk __attribute__ ((unused)),
const grub_partition_t partition, void *data)
{
struct grub_util_biosdisk_get_grub_dev_ctx *ctx = data;
grub_disk_addr_t part_start = 0;
grub_util_info ("Partition %d starts from %" PRIuGRUB_UINT64_T,
partition->number, partition->start);
part_start = grub_partition_get_start (partition);
if (ctx->start == part_start)
{
ctx->partname = grub_partition_get_name (partition);
return 1;
}
return 0;
}
#endif
char *
grub_util_biosdisk_get_grub_dev (const char *os_dev)
{
@ -2250,29 +2280,9 @@ grub_util_biosdisk_get_grub_dev (const char *os_dev)
For NetBSD and FreeBSD, proceed as for Linux, except that the start
sector is obtained from the disk label. */
{
char *name, *partname;
char *name;
grub_disk_t disk;
grub_disk_addr_t start;
auto int find_partition (grub_disk_t dsk,
const grub_partition_t partition);
int find_partition (grub_disk_t dsk __attribute__ ((unused)),
const grub_partition_t partition)
{
grub_disk_addr_t part_start = 0;
grub_util_info ("Partition %d starts from %" PRIuGRUB_UINT64_T,
partition->number, partition->start);
part_start = grub_partition_get_start (partition);
if (start == part_start)
{
partname = grub_partition_get_name (partition);
return 1;
}
return 0;
}
struct grub_util_biosdisk_get_grub_dev_ctx ctx;
name = make_device_name (drive, -1, -1);
@ -2284,16 +2294,16 @@ grub_util_biosdisk_get_grub_dev (const char *os_dev)
* different, we know that os_dev cannot be a floppy device. */
# endif /* !defined(HAVE_DIOCGDINFO) */
start = grub_hostdisk_find_partition_start (os_dev);
ctx.start = grub_hostdisk_find_partition_start (os_dev);
if (grub_errno != GRUB_ERR_NONE)
{
free (name);
return 0;
}
grub_util_info ("%s starts from %" PRIuGRUB_UINT64_T, os_dev, start);
grub_util_info ("%s starts from %" PRIuGRUB_UINT64_T, os_dev, ctx.start);
if (start == 0 && !is_part)
if (ctx.start == 0 && !is_part)
return name;
grub_util_info ("opening the device %s", name);
@ -2325,20 +2335,20 @@ grub_util_biosdisk_get_grub_dev (const char *os_dev)
return 0;
}
name = grub_util_get_ldm (disk, start);
name = grub_util_get_ldm (disk, ctx.start);
if (name)
return name;
partname = NULL;
ctx.partname = NULL;
grub_partition_iterate (disk, find_partition);
grub_partition_iterate (disk, find_partition, &ctx);
if (grub_errno != GRUB_ERR_NONE)
{
grub_disk_close (disk);
return 0;
}
if (partname == NULL)
if (ctx.partname == NULL)
{
grub_disk_close (disk);
grub_util_info ("cannot find the partition of `%s'", os_dev);
@ -2347,8 +2357,8 @@ grub_util_biosdisk_get_grub_dev (const char *os_dev)
return 0;
}
name = grub_xasprintf ("%s,%s", disk->name, partname);
free (partname);
name = grub_xasprintf ("%s,%s", disk->name, ctx.partname);
free (ctx.partname);
grub_disk_close (disk);
return name;
}

View File

@ -138,6 +138,44 @@ write_rootdev (grub_device_t root_dev,
#define BOOT_SECTOR 0
#endif
#ifdef GRUB_SETUP_BIOS
/* Context for setup/identify_partmap. */
struct identify_partmap_ctx
{
grub_partition_map_t dest_partmap;
grub_partition_t container;
int multiple_partmaps;
};
/* Helper for setup/identify_partmap.
Unlike root_dev, with dest_dev we're interested in the partition map even
if dest_dev itself is a whole disk. */
static int
identify_partmap (grub_disk_t disk __attribute__ ((unused)),
const grub_partition_t p, void *data)
{
struct identify_partmap_ctx *ctx = data;
if (p->parent != ctx->container)
return 0;
/* NetBSD and OpenBSD subpartitions have metadata inside a partition,
so they are safe to ignore.
*/
if (grub_strcmp (p->partmap->name, "netbsd") == 0
|| grub_strcmp (p->partmap->name, "openbsd") == 0)
return 0;
if (ctx->dest_partmap == NULL)
{
ctx->dest_partmap = p->partmap;
return 0;
}
if (ctx->dest_partmap == p->partmap)
return 0;
ctx->multiple_partmaps = 1;
return 1;
}
#endif
static void
setup (const char *dir,
const char *boot_file, const char *core_file,
@ -337,9 +375,11 @@ setup (const char *dir,
#ifdef GRUB_SETUP_BIOS
{
grub_partition_map_t dest_partmap = NULL;
grub_partition_t container = dest_dev->disk->partition;
int multiple_partmaps = 0;
struct identify_partmap_ctx ctx = {
.dest_partmap = NULL,
.container = dest_dev->disk->partition,
.multiple_partmaps = 0
};
int is_ldm;
grub_err_t err;
grub_disk_addr_t *sectors;
@ -347,38 +387,13 @@ setup (const char *dir,
grub_fs_t fs;
unsigned int nsec, maxsec;
/* Unlike root_dev, with dest_dev we're interested in the partition map even
if dest_dev itself is a whole disk. */
auto int NESTED_FUNC_ATTR identify_partmap (grub_disk_t disk,
const grub_partition_t p);
int NESTED_FUNC_ATTR identify_partmap (grub_disk_t disk __attribute__ ((unused)),
const grub_partition_t p)
{
if (p->parent != container)
return 0;
/* NetBSD and OpenBSD subpartitions have metadata inside a partition,
so they are safe to ignore.
*/
if (grub_strcmp (p->partmap->name, "netbsd") == 0
|| grub_strcmp (p->partmap->name, "openbsd") == 0)
return 0;
if (dest_partmap == NULL)
{
dest_partmap = p->partmap;
return 0;
}
if (dest_partmap == p->partmap)
return 0;
multiple_partmaps = 1;
return 1;
}
grub_partition_iterate (dest_dev->disk, identify_partmap, &ctx);
grub_partition_iterate (dest_dev->disk, identify_partmap);
if (container && grub_strcmp (container->partmap->name, "msdos") == 0
&& dest_partmap
&& (container->msdostype == GRUB_PC_PARTITION_TYPE_NETBSD
|| container->msdostype == GRUB_PC_PARTITION_TYPE_OPENBSD))
if (ctx.container
&& grub_strcmp (ctx.container->partmap->name, "msdos") == 0
&& ctx.dest_partmap
&& (ctx.container->msdostype == GRUB_PC_PARTITION_TYPE_NETBSD
|| ctx.container->msdostype == GRUB_PC_PARTITION_TYPE_OPENBSD))
{
grub_util_warn ("%s", _("Attempting to install GRUB to a disk with multiple partition labels or both partition label and filesystem. This is not supported yet."));
goto unable_to_embed;
@ -392,7 +407,7 @@ setup (const char *dir,
if (fs_probe)
{
if (!fs && !dest_partmap)
if (!fs && !ctx.dest_partmap)
grub_util_error (_("unable to identify a filesystem in %s; safety check can't be performed"),
dest_dev->disk->name);
if (fs && !fs->reserved_first_sector)
@ -403,20 +418,20 @@ setup (const char *dir,
"by grub-setup (--skip-fs-probe disables this "
"check, use at your own risk)"), dest_dev->disk->name, fs->name);
if (dest_partmap && strcmp (dest_partmap->name, "msdos") != 0
&& strcmp (dest_partmap->name, "gpt") != 0
&& strcmp (dest_partmap->name, "bsd") != 0
&& strcmp (dest_partmap->name, "netbsd") != 0
&& strcmp (dest_partmap->name, "openbsd") != 0
&& strcmp (dest_partmap->name, "sunpc") != 0)
if (ctx.dest_partmap && strcmp (ctx.dest_partmap->name, "msdos") != 0
&& strcmp (ctx.dest_partmap->name, "gpt") != 0
&& strcmp (ctx.dest_partmap->name, "bsd") != 0
&& strcmp (ctx.dest_partmap->name, "netbsd") != 0
&& strcmp (ctx.dest_partmap->name, "openbsd") != 0
&& strcmp (ctx.dest_partmap->name, "sunpc") != 0)
/* TRANSLATORS: Partition map may reserve the space just GRUB isn't sure about it. */
grub_util_error (_("%s appears to contain a %s partition map which isn't known to "
"reserve space for DOS-style boot. Installing GRUB there could "
"result in FILESYSTEM DESTRUCTION if valuable data is overwritten "
"by grub-setup (--skip-fs-probe disables this "
"check, use at your own risk)"), dest_dev->disk->name, dest_partmap->name);
if (is_ldm && dest_partmap && strcmp (dest_partmap->name, "msdos") != 0
&& strcmp (dest_partmap->name, "gpt") != 0)
"check, use at your own risk)"), dest_dev->disk->name, ctx.dest_partmap->name);
if (is_ldm && ctx.dest_partmap && strcmp (ctx.dest_partmap->name, "msdos") != 0
&& strcmp (ctx.dest_partmap->name, "gpt") != 0)
grub_util_error (_("%s appears to contain a %s partition map and "
"LDM which isn't known to be a safe combination."
" Installing GRUB there could "
@ -424,12 +439,12 @@ setup (const char *dir,
" is overwritten "
"by grub-setup (--skip-fs-probe disables this "
"check, use at your own risk)"),
dest_dev->disk->name, dest_partmap->name);
dest_dev->disk->name, ctx.dest_partmap->name);
}
/* Copy the partition table. */
if (dest_partmap ||
if (ctx.dest_partmap ||
(!allow_floppy && !grub_util_biosdisk_is_floppy (dest_dev->disk)))
memcpy (boot_img + GRUB_BOOT_MACHINE_WINDOWS_NT_MAGIC,
tmp_img + GRUB_BOOT_MACHINE_WINDOWS_NT_MAGIC,
@ -437,21 +452,21 @@ setup (const char *dir,
free (tmp_img);
if (! dest_partmap && ! fs && !is_ldm)
if (! ctx.dest_partmap && ! fs && !is_ldm)
{
grub_util_warn ("%s", _("Attempting to install GRUB to a partitionless disk or to a partition. This is a BAD idea."));
goto unable_to_embed;
}
if (multiple_partmaps || (dest_partmap && fs) || (is_ldm && fs))
if (ctx.multiple_partmaps || (ctx.dest_partmap && fs) || (is_ldm && fs))
{
grub_util_warn ("%s", _("Attempting to install GRUB to a disk with multiple partition labels. This is not supported yet."));
goto unable_to_embed;
}
if (dest_partmap && !dest_partmap->embed)
if (ctx.dest_partmap && !ctx.dest_partmap->embed)
{
grub_util_warn (_("Partition style `%s' doesn't support embedding"),
dest_partmap->name);
ctx.dest_partmap->name);
goto unable_to_embed;
}
@ -473,9 +488,9 @@ setup (const char *dir,
if (is_ldm)
err = grub_util_ldm_embed (dest_dev->disk, &nsec, maxsec,
GRUB_EMBED_PCBIOS, &sectors);
else if (dest_partmap)
err = dest_partmap->embed (dest_dev->disk, &nsec, maxsec,
GRUB_EMBED_PCBIOS, &sectors);
else if (ctx.dest_partmap)
err = ctx.dest_partmap->embed (dest_dev->disk, &nsec, maxsec,
GRUB_EMBED_PCBIOS, &sectors);
else
err = fs->embed (dest_dev, &nsec, maxsec,
GRUB_EMBED_PCBIOS, &sectors);
@ -507,12 +522,12 @@ setup (const char *dir,
grub_util_error ("%s", _("no terminator in the core image"));
}
save_first_sector (sectors[0] + grub_partition_get_start (container),
save_first_sector (sectors[0] + grub_partition_get_start (ctx.container),
0, GRUB_DISK_SECTOR_SIZE);
block = first_block;
for (i = 1; i < nsec; i++)
save_blocklists (sectors[i] + grub_partition_get_start (container),
save_blocklists (sectors[i] + grub_partition_get_start (ctx.container),
0, GRUB_DISK_SECTOR_SIZE);
/* Make sure that the last blocklist is a terminator. */