struct block_drvr {
char *name;
block_dev_desc_t* (*get_dev)(int dev);
+ int (*select_hwpart)(int dev_num, int hwpart);
};
static const struct block_drvr block_drvr[] = {
#if defined(CONFIG_CMD_IDE)
{ .name = "ide", .get_dev = ide_get_dev, },
#endif
+#if defined(CONFIG_CMD_PATA)
+ { .name = "pata", .get_dev = pata_get_dev, },
+#endif
#if defined(CONFIG_CMD_SATA)
{.name = "sata", .get_dev = sata_get_dev, },
#endif
{ .name = "usb", .get_dev = usb_stor_get_dev, },
#endif
#if defined(CONFIG_MMC)
- { .name = "mmc", .get_dev = mmc_get_dev, },
+ {
+ .name = "mmc",
+ .get_dev = mmc_get_dev,
+ .select_hwpart = mmc_select_hwpart,
+ },
#endif
#if defined(CONFIG_SYSTEMACE)
{ .name = "ace", .get_dev = systemace_get_dev, },
DECLARE_GLOBAL_DATA_PTR;
#ifdef HAVE_BLOCK_DEVICE
-block_dev_desc_t *get_dev(const char *ifname, int dev)
+static block_dev_desc_t *get_dev_hwpart(const char *ifname, int dev, int hwpart)
{
const struct block_drvr *drvr = block_drvr;
block_dev_desc_t* (*reloc_get_dev)(int dev);
+ int (*select_hwpart)(int dev_num, int hwpart);
char *name;
+ int ret;
if (!ifname)
return NULL;
while (drvr->name) {
name = drvr->name;
reloc_get_dev = drvr->get_dev;
+ select_hwpart = drvr->select_hwpart;
#ifdef CONFIG_NEEDS_MANUAL_RELOC
name += gd->reloc_off;
reloc_get_dev += gd->reloc_off;
-#endif
- if (strncmp(ifname, name, strlen(name)) == 0)
- return reloc_get_dev(dev);
+ if (select_hwpart)
+ select_hwpart += gd->reloc_off;
+#endif
+ if (strncmp(ifname, name, strlen(name)) == 0) {
+ block_dev_desc_t *dev_desc = reloc_get_dev(dev);
+ if (!dev_desc)
+ return NULL;
+ if (hwpart == 0 && !select_hwpart)
+ return dev_desc;
+ if (!select_hwpart)
+ return NULL;
+ ret = select_hwpart(dev_desc->dev, hwpart);
+ if (ret < 0)
+ return NULL;
+ return dev_desc;
+ }
drvr++;
}
return NULL;
}
+
+block_dev_desc_t *get_dev(const char *ifname, int dev)
+{
+ return get_dev_hwpart(ifname, dev, 0);
+}
#else
+block_dev_desc_t *get_dev_hwpart(const char *ifname, int dev, int hwpart)
+{
+ return NULL;
+}
+
block_dev_desc_t *get_dev(const char *ifname, int dev)
{
return NULL;
* Overflowless variant of (block_count * mul_by / div_by)
* when div_by > mul_by
*/
-static lba512_t lba512_muldiv (lba512_t block_count, lba512_t mul_by, lba512_t div_by)
+static lba512_t lba512_muldiv(lba512_t block_count, lba512_t mul_by, lba512_t div_by)
{
lba512_t bc_quot, bc_rem;
lba512 = (lba * (dev_desc->blksz/512));
/* round to 1 digit */
- mb = lba512_muldiv(lba512, 10, 2048); /* 2048 = (1024 * 1024) / 512 MB */
+ /* 2048 = (1024 * 1024) / 512 MB */
+ mb = lba512_muldiv(lba512, 10, 2048);
mb_quot = mb / 10;
mb_rem = mb - (10 * mb_quot);
#ifdef HAVE_BLOCK_DEVICE
-void init_part (block_dev_desc_t * dev_desc)
+void init_part(block_dev_desc_t *dev_desc)
{
#ifdef CONFIG_ISO_PARTITION
if (test_part_iso(dev_desc) == 0) {
defined(CONFIG_AMIGA_PARTITION) || \
defined(CONFIG_EFI_PARTITION)
-static void print_part_header (const char *type, block_dev_desc_t * dev_desc)
+static void print_part_header(const char *type, block_dev_desc_t *dev_desc)
{
puts ("\nPartition Map for ");
switch (dev_desc->if_type) {
#endif /* any CONFIG_..._PARTITION */
-void print_part (block_dev_desc_t * dev_desc)
+void print_part(block_dev_desc_t * dev_desc)
{
switch (dev_desc->part_type) {
#endif /* HAVE_BLOCK_DEVICE */
-int get_partition_info(block_dev_desc_t *dev_desc, int part
- , disk_partition_t *info)
+int get_partition_info(block_dev_desc_t *dev_desc, int part,
+ disk_partition_t *info)
{
#ifdef HAVE_BLOCK_DEVICE
return -1;
}
-int get_device(const char *ifname, const char *dev_str,
+int get_device(const char *ifname, const char *dev_hwpart_str,
block_dev_desc_t **dev_desc)
{
char *ep;
- int dev;
+ char *dup_str = NULL;
+ const char *dev_str, *hwpart_str;
+ int dev, hwpart;
+
+ hwpart_str = strchr(dev_hwpart_str, '.');
+ if (hwpart_str) {
+ dup_str = strdup(dev_hwpart_str);
+ dup_str[hwpart_str - dev_hwpart_str] = 0;
+ dev_str = dup_str;
+ hwpart_str++;
+ } else {
+ dev_str = dev_hwpart_str;
+ hwpart = 0;
+ }
dev = simple_strtoul(dev_str, &ep, 16);
if (*ep) {
printf("** Bad device specification %s %s **\n",
ifname, dev_str);
- return -1;
+ dev = -1;
+ goto cleanup;
}
- *dev_desc = get_dev(ifname, dev);
+ if (hwpart_str) {
+ hwpart = simple_strtoul(hwpart_str, &ep, 16);
+ if (*ep) {
+ printf("** Bad HW partition specification %s %s **\n",
+ ifname, hwpart_str);
+ dev = -1;
+ goto cleanup;
+ }
+ }
+
+ *dev_desc = get_dev_hwpart(ifname, dev, hwpart);
if (!(*dev_desc) || ((*dev_desc)->type == DEV_TYPE_UNKNOWN)) {
- printf("** Bad device %s %s **\n", ifname, dev_str);
- return -1;
+ printf("** Bad device %s %s **\n", ifname, dev_hwpart_str);
+ dev = -1;
+ goto cleanup;
}
+cleanup:
+ free(dup_str);
return dev;
}
int part;
disk_partition_t tmpinfo;
+ /*
+ * Special-case a pseudo block device "hostfs", to allow access to the
+ * host's own filesystem.
+ */
+ if (0 == strcmp(ifname, "hostfs")) {
+ *dev_desc = NULL;
+ info->start = 0;
+ info->size = 0;
+ info->blksz = 0;
+ info->bootable = 0;
+ strcpy((char *)info->type, BOOT_PART_TYPE);
+ strcpy((char *)info->name, "Sandbox host");
+#ifdef CONFIG_PARTITION_UUIDS
+ info->uuid[0] = 0;
+#endif
+
+ return 0;
+ }
+
/* If no dev_part_str, use bootdevice environment variable */
if (!dev_part_str || !strlen(dev_part_str) ||
!strcmp(dev_part_str, "-"))