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-rw-r--r--disk/part.c184
1 files changed, 58 insertions, 126 deletions
diff --git a/disk/part.c b/disk/part.c
index 255ee7959f..978b85c6eb 100644
--- a/disk/part.c
+++ b/disk/part.c
@@ -7,6 +7,7 @@
#include <common.h>
#include <command.h>
+#include <errno.h>
#include <ide.h>
#include <malloc.h>
#include <part.h>
@@ -58,6 +59,22 @@ static const struct block_drvr block_drvr[] = {
DECLARE_GLOBAL_DATA_PTR;
#ifdef HAVE_BLOCK_DEVICE
+static struct part_driver *part_driver_lookup_type(int part_type)
+{
+ struct part_driver *drv =
+ ll_entry_start(struct part_driver, part_driver);
+ const int n_ents = ll_entry_count(struct part_driver, part_driver);
+ struct part_driver *entry;
+
+ for (entry = drv; entry != drv + n_ents; entry++) {
+ if (part_type == entry->part_type)
+ return entry;
+ }
+
+ /* Not found */
+ return NULL;
+}
+
static struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart)
{
const struct block_drvr *drvr = block_drvr;
@@ -252,53 +269,31 @@ void dev_print (struct blk_desc *dev_desc)
void init_part(struct blk_desc *dev_desc)
{
-#ifdef CONFIG_ISO_PARTITION
- if (test_part_iso(dev_desc) == 0) {
- dev_desc->part_type = PART_TYPE_ISO;
- return;
- }
-#endif
+ struct part_driver *drv =
+ ll_entry_start(struct part_driver, part_driver);
+ const int n_ents = ll_entry_count(struct part_driver, part_driver);
+ struct part_driver *entry;
-#ifdef CONFIG_MAC_PARTITION
- if (test_part_mac(dev_desc) == 0) {
- dev_desc->part_type = PART_TYPE_MAC;
- return;
- }
-#endif
-
-/* must be placed before DOS partition detection */
-#ifdef CONFIG_EFI_PARTITION
- if (test_part_efi(dev_desc) == 0) {
- dev_desc->part_type = PART_TYPE_EFI;
- return;
- }
-#endif
-
-#ifdef CONFIG_DOS_PARTITION
- if (test_part_dos(dev_desc) == 0) {
- dev_desc->part_type = PART_TYPE_DOS;
- return;
- }
-#endif
-
-#ifdef CONFIG_AMIGA_PARTITION
- if (test_part_amiga(dev_desc) == 0) {
- dev_desc->part_type = PART_TYPE_AMIGA;
- return;
- }
-#endif
dev_desc->part_type = PART_TYPE_UNKNOWN;
+ for (entry = drv; entry != drv + n_ents; entry++) {
+ int ret;
+
+ ret = entry->test(dev_desc);
+ debug("%s: try '%s': ret=%d\n", __func__, entry->name, ret);
+ if (!ret) {
+ dev_desc->part_type = entry->part_type;
+ break;
+ }
+ }
}
-
+static void print_part_header(const char *type, struct blk_desc *dev_desc)
+{
#if defined(CONFIG_MAC_PARTITION) || \
defined(CONFIG_DOS_PARTITION) || \
defined(CONFIG_ISO_PARTITION) || \
defined(CONFIG_AMIGA_PARTITION) || \
defined(CONFIG_EFI_PARTITION)
-
-static void print_part_header(const char *type, struct blk_desc *dev_desc)
-{
puts ("\nPartition Map for ");
switch (dev_desc->if_type) {
case IF_TYPE_IDE:
@@ -331,54 +326,24 @@ static void print_part_header(const char *type, struct blk_desc *dev_desc)
}
printf (" device %d -- Partition Type: %s\n\n",
dev_desc->dev, type);
-}
-
#endif /* any CONFIG_..._PARTITION */
+}
void print_part(struct blk_desc *dev_desc)
{
+ struct part_driver *drv;
- switch (dev_desc->part_type) {
-#ifdef CONFIG_MAC_PARTITION
- case PART_TYPE_MAC:
- PRINTF ("## Testing for valid MAC partition ##\n");
- print_part_header ("MAC", dev_desc);
- print_part_mac (dev_desc);
- return;
-#endif
-#ifdef CONFIG_DOS_PARTITION
- case PART_TYPE_DOS:
- PRINTF ("## Testing for valid DOS partition ##\n");
- print_part_header ("DOS", dev_desc);
- print_part_dos (dev_desc);
- return;
-#endif
-
-#ifdef CONFIG_ISO_PARTITION
- case PART_TYPE_ISO:
- PRINTF ("## Testing for valid ISO Boot partition ##\n");
- print_part_header ("ISO", dev_desc);
- print_part_iso (dev_desc);
- return;
-#endif
-
-#ifdef CONFIG_AMIGA_PARTITION
- case PART_TYPE_AMIGA:
- PRINTF ("## Testing for a valid Amiga partition ##\n");
- print_part_header ("AMIGA", dev_desc);
- print_part_amiga (dev_desc);
- return;
-#endif
-
-#ifdef CONFIG_EFI_PARTITION
- case PART_TYPE_EFI:
- PRINTF ("## Testing for valid EFI partition ##\n");
- print_part_header ("EFI", dev_desc);
- print_part_efi (dev_desc);
+ drv = part_driver_lookup_type(dev_desc->part_type);
+ if (!drv) {
+ printf("## Unknown partition table type %x\n",
+ dev_desc->part_type);
return;
-#endif
}
- puts ("## Unknown partition table\n");
+
+ PRINTF("## Testing for valid %s partition ##\n", drv->name);
+ print_part_header(drv->name, dev_desc);
+ if (drv->print)
+ drv->print(dev_desc);
}
#endif /* HAVE_BLOCK_DEVICE */
@@ -387,6 +352,7 @@ int get_partition_info(struct blk_desc *dev_desc, int part,
disk_partition_t *info)
{
#ifdef HAVE_BLOCK_DEVICE
+ struct part_driver *drv;
#ifdef CONFIG_PARTITION_UUIDS
/* The common case is no UUID support */
@@ -396,53 +362,19 @@ int get_partition_info(struct blk_desc *dev_desc, int part,
info->type_guid[0] = 0;
#endif
- switch (dev_desc->part_type) {
-#ifdef CONFIG_MAC_PARTITION
- case PART_TYPE_MAC:
- if (get_partition_info_mac(dev_desc, part, info) == 0) {
- PRINTF("## Valid MAC partition found ##\n");
- return 0;
- }
- break;
-#endif
-
-#ifdef CONFIG_DOS_PARTITION
- case PART_TYPE_DOS:
- if (get_partition_info_dos(dev_desc, part, info) == 0) {
- PRINTF("## Valid DOS partition found ##\n");
- return 0;
- }
- break;
-#endif
-
-#ifdef CONFIG_ISO_PARTITION
- case PART_TYPE_ISO:
- if (get_partition_info_iso(dev_desc, part, info) == 0) {
- PRINTF("## Valid ISO boot partition found ##\n");
- return 0;
- }
- break;
-#endif
-
-#ifdef CONFIG_AMIGA_PARTITION
- case PART_TYPE_AMIGA:
- if (get_partition_info_amiga(dev_desc, part, info) == 0) {
- PRINTF("## Valid Amiga partition found ##\n");
- return 0;
- }
- break;
-#endif
-
-#ifdef CONFIG_EFI_PARTITION
- case PART_TYPE_EFI:
- if (get_partition_info_efi(dev_desc, part, info) == 0) {
- PRINTF("## Valid EFI partition found ##\n");
- return 0;
- }
- break;
-#endif
- default:
- break;
+ drv = part_driver_lookup_type(dev_desc->part_type);
+ if (!drv) {
+ debug("## Unknown partition table type %x\n",
+ dev_desc->part_type);
+ return -EPROTONOSUPPORT;
+ }
+ if (!drv->get_info) {
+ PRINTF("## Driver %s does not have the get_info() method\n");
+ return -ENOSYS;
+ }
+ if (drv->get_info(dev_desc, part, info) == 0) {
+ PRINTF("## Valid %s partition found ##\n", drv->name);
+ return 0;
}
#endif /* HAVE_BLOCK_DEVICE */
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