/* Name the devices. */
static void
name_devices (struct grub_efidisk_data *devices)
{
struct grub_efidisk_data *d;
/* First, identify devices by media device paths. */
for (d = devices; d; d = d->next)
{
grub_efi_device_path_t *dp;
dp = d->last_device_path;
if (! dp)
continue;
if (GRUB_EFI_DEVICE_PATH_TYPE (dp) == GRUB_EFI_MEDIA_DEVICE_PATH_TYPE)
{
int is_hard_drive = 0;
switch (GRUB_EFI_DEVICE_PATH_SUBTYPE (dp))
{
case GRUB_EFI_HARD_DRIVE_DEVICE_PATH_SUBTYPE:
is_hard_drive = 1;
/* Fall through by intention. */
case GRUB_EFI_CDROM_DEVICE_PATH_SUBTYPE:
{
struct grub_efidisk_data *parent, *parent2;
parent = find_parent_device (devices, d);
if (!parent)
{
#ifdef DEBUG_NAMES
grub_printf ("skipping orphaned partition: ");
grub_efi_print_device_path (d->device_path);
#endif
break;
}
parent2 = find_parent_device (devices, parent);
if (parent2)
{
#ifdef DEBUG_NAMES
grub_printf ("skipping subpartition: ");
grub_efi_print_device_path (d->device_path);
#endif
/* Mark itself as used. */
d->last_device_path = 0;
break;
}
if (!parent->last_device_path)
{
d->last_device_path = 0;
break;
}
if (is_hard_drive)
{
#ifdef DEBUG_NAMES
grub_printf ("adding a hard drive by a partition: ");
grub_efi_print_device_path (parent->device_path);
#endif
add_device (&hd_devices, parent);
}
else
{
#ifdef DEBUG_NAMES
grub_printf ("adding a cdrom by a partition: ");
grub_efi_print_device_path (parent->device_path);
#endif
add_device (&cd_devices, parent);
}
/* Mark the parent as used. */
parent->last_device_path = 0;
}
/* Mark itself as used. */
d->last_device_path = 0;
break;
default:
#ifdef DEBUG_NAMES
grub_printf ("skipping other type: ");
grub_efi_print_device_path (d->device_path);
#endif
/* For now, ignore the others. */
break;
}
}
else
{
#ifdef DEBUG_NAMES
grub_printf ("skipping non-media: ");
grub_efi_print_device_path (d->device_path);
#endif
}
}
/* Let's see what can be added more. */
for (d = devices; d; d = d->next)
{
grub_efi_device_path_t *dp;
grub_efi_block_io_media_t *m;
int is_floppy = 0;
dp = d->last_device_path;
if (! dp)
continue;
m = d->block_io->media;
if (GRUB_EFI_DEVICE_PATH_TYPE (dp) == GRUB_EFI_ACPI_DEVICE_PATH_TYPE
&& GRUB_EFI_DEVICE_PATH_SUBTYPE (dp)
== GRUB_EFI_ACPI_DEVICE_PATH_SUBTYPE)
{
grub_efi_acpi_device_path_t *acpi
= (grub_efi_acpi_device_path_t *) dp;
/* Floppy EISA ID. */
if (acpi->hid == 0x60441d0 || acpi->hid == 0x70041d0
|| acpi->hid == 0x70141d1)
is_floppy = 1;
}
if (is_floppy)
{
#ifdef DEBUG_NAMES
grub_printf ("adding a floppy: ");
grub_efi_print_device_path (d->device_path);
#endif
add_device (&fd_devices, d);
}
else if (m->read_only && m->block_size > GRUB_DISK_SECTOR_SIZE)
{
/* This check is too heuristic, but assume that this is a
CDROM drive. */
#ifdef DEBUG_NAMES
grub_printf ("adding a cdrom by guessing: ");
grub_efi_print_device_path (d->device_path);
#endif
add_device (&cd_devices, d);
}
else
{
/* The default is a hard drive. */
#ifdef DEBUG_NAMES
grub_printf ("adding a hard drive by guessing: ");
grub_efi_print_device_path (d->device_path);
#endif
add_device (&hd_devices, d);
}
}
}
/* Name the devices. */
static void
name_devices (struct grub_efidisk_data *devices)
{
struct grub_efidisk_data *d;
/* First, identify devices by media device paths. */
for (d = devices; d; d = d->next)
{
grub_efi_device_path_t *dp;
dp = d->last_device_path;
if (! dp)
continue;
if (GRUB_EFI_DEVICE_PATH_TYPE (dp) == GRUB_EFI_MEDIA_DEVICE_PATH_TYPE)
{
int is_hard_drive = 0;
switch (GRUB_EFI_DEVICE_PATH_SUBTYPE (dp))
{
case GRUB_EFI_HARD_DRIVE_DEVICE_PATH_SUBTYPE:
is_hard_drive = 1;
/* Fall through by intention. */
case GRUB_EFI_CDROM_DEVICE_PATH_SUBTYPE:
{
struct grub_efidisk_data *parent;
parent = find_parent_device (devices, d);
if (parent)
{
if (is_hard_drive)
{
#if 0
grub_printf ("adding a hard drive by a partition: ");
grub_print_device_path (parent->device_path);
#endif
add_device (&hd_devices, parent);
}
else
{
#if 0
grub_printf ("adding a cdrom by a partition: ");
grub_print_device_path (parent->device_path);
#endif
add_device (&cd_devices, parent);
}
/* Mark the parent as used. */
parent->last_device_path = 0;
}
}
/* Mark itself as used. */
d->last_device_path = 0;
break;
default:
/* For now, ignore the others. */
break;
}
}
}
/* Let's see what can be added more. */
for (d = devices; d; d = d->next)
{
grub_efi_device_path_t *dp;
grub_efi_block_io_media_t *m;
dp = d->last_device_path;
if (! dp)
continue;
m = d->block_io->media;
if (m->logical_partition)
{
/* Only one partition in a non-media device. Assume that this
is a floppy drive. */
#if 0
grub_printf ("adding a floppy by guessing: ");
grub_print_device_path (d->device_path);
#endif
add_device (&fd_devices, d);
}
else if (m->read_only && m->block_size > GRUB_DISK_SECTOR_SIZE)
{
/* This check is too heuristic, but assume that this is a
CDROM drive. */
#if 0
grub_printf ("adding a cdrom by guessing: ");
grub_print_device_path (d->device_path);
#endif
add_device (&cd_devices, d);
}
else
{
/* The default is a hard drive. */
#if 0
grub_printf ("adding a hard drive by guessing: ");
grub_print_device_path (d->device_path);
#endif
add_device (&hd_devices, d);
}
}
}