+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2001
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#define PRINTF(fmt,args...)
#endif
-struct block_drvr {
- char *name;
- struct blk_desc* (*get_dev)(int dev);
- int (*select_hwpart)(int dev_num, int hwpart);
-};
+/* Check all partition types */
+#define PART_TYPE_ALL -1
-static const struct block_drvr block_drvr[] = {
-#if defined(CONFIG_CMD_IDE)
- { .name = "ide", .get_dev = ide_get_dev, },
-#endif
-#if defined(CONFIG_CMD_SATA)
- {.name = "sata", .get_dev = sata_get_dev, },
-#endif
-#if defined(CONFIG_CMD_SCSI)
- { .name = "scsi", .get_dev = scsi_get_dev, },
-#endif
-#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
- { .name = "usb", .get_dev = usb_stor_get_dev, },
-#endif
-#if defined(CONFIG_MMC)
- {
- .name = "mmc",
- .get_dev = mmc_get_dev,
- .select_hwpart = mmc_select_hwpart,
- },
-#endif
-#if defined(CONFIG_SYSTEMACE)
- { .name = "ace", .get_dev = systemace_get_dev, },
-#endif
-#if defined(CONFIG_SANDBOX)
- { .name = "host", .get_dev = host_get_dev, },
-#endif
- { },
-};
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#ifdef HAVE_BLOCK_DEVICE
-static struct part_driver *part_driver_lookup_type(int part_type)
+static struct part_driver *part_driver_lookup_type(struct blk_desc *dev_desc)
{
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;
+ if (dev_desc->part_type == PART_TYPE_UNKNOWN) {
+ for (entry = drv; entry != drv + n_ents; entry++) {
+ int ret;
+
+ ret = entry->test(dev_desc);
+ if (!ret) {
+ dev_desc->part_type = entry->part_type;
+ return entry;
+ }
+ }
+ } else {
+ for (entry = drv; entry != drv + n_ents; entry++) {
+ if (dev_desc->part_type == entry->part_type)
+ return entry;
+ }
}
/* Not found */
return NULL;
}
+#ifdef CONFIG_HAVE_BLOCK_DEVICE
static struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart)
{
- const struct block_drvr *drvr = block_drvr;
- struct blk_desc* (*reloc_get_dev)(int dev);
- int (*select_hwpart)(int dev_num, int hwpart);
- char *name;
+ struct blk_desc *dev_desc;
int ret;
- if (!ifname)
+ dev_desc = blk_get_devnum_by_typename(ifname, dev);
+ if (!dev_desc) {
+ debug("%s: No device for iface '%s', dev %d\n", __func__,
+ ifname, dev);
return NULL;
-
- name = drvr->name;
-#ifdef CONFIG_NEEDS_MANUAL_RELOC
- name += gd->reloc_off;
-#endif
- 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;
- if (select_hwpart)
- select_hwpart += gd->reloc_off;
-#endif
- if (strncmp(ifname, name, strlen(name)) == 0) {
- struct blk_desc *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->devnum, hwpart);
- if (ret < 0)
- return NULL;
- return dev_desc;
- }
- drvr++;
}
- return NULL;
+ ret = blk_dselect_hwpart(dev_desc, hwpart);
+ if (ret) {
+ debug("%s: Failed to select h/w partition: err-%d\n", __func__,
+ ret);
+ return NULL;
+ }
+
+ return dev_desc;
}
struct blk_desc *blk_get_dev(const char *ifname, int dev)
}
#endif
-#ifdef HAVE_BLOCK_DEVICE
+#ifdef CONFIG_HAVE_BLOCK_DEVICE
/* ------------------------------------------------------------------------- */
/*
#endif
/*
- * Overflowless variant of (block_count * mul_by / div_by)
+ * Overflowless variant of (block_count * mul_by / 2**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, int div_by)
{
lba512_t bc_quot, bc_rem;
/* x * m / d == x / d * m + (x % d) * m / d */
- bc_quot = block_count / div_by;
- bc_rem = block_count - div_by * bc_quot;
- return bc_quot * mul_by + (bc_rem * mul_by) / div_by;
+ bc_quot = block_count >> div_by;
+ bc_rem = block_count - (bc_quot << div_by);
+ return bc_quot * mul_by + ((bc_rem * mul_by) >> div_by);
}
void dev_print (struct blk_desc *dev_desc)
case IF_TYPE_SD:
case IF_TYPE_MMC:
case IF_TYPE_USB:
+ case IF_TYPE_NVME:
printf ("Vendor: %s Rev: %s Prod: %s\n",
dev_desc->vendor,
dev_desc->revision,
dev_desc->product);
break;
+ case IF_TYPE_VIRTIO:
+ printf("%s VirtIO Block Device\n", dev_desc->vendor);
+ break;
case IF_TYPE_DOC:
puts("device type DOC\n");
return;
lba512 = (lba * (dev_desc->blksz/512));
/* round to 1 digit */
/* 2048 = (1024 * 1024) / 512 MB */
- mb = lba512_muldiv(lba512, 10, 2048);
+ mb = lba512_muldiv(lba512, 10, 11);
mb_quot = mb / 10;
mb_rem = mb - (10 * mb_quot);
printf (" Supports 48-bit addressing\n");
#endif
#if defined(CONFIG_SYS_64BIT_LBA)
- printf (" Capacity: %ld.%ld MB = %ld.%ld GB (%Ld x %ld)\n",
+ printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%llu x %lu)\n",
mb_quot, mb_rem,
gb_quot, gb_rem,
lba,
dev_desc->blksz);
#else
- printf (" Capacity: %ld.%ld MB = %ld.%ld GB (%ld x %ld)\n",
+ printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%lu x %lu)\n",
mb_quot, mb_rem,
gb_quot, gb_rem,
(ulong)lba,
}
#endif
-#ifdef HAVE_BLOCK_DEVICE
+#ifdef CONFIG_HAVE_BLOCK_DEVICE
void part_init(struct blk_desc *dev_desc)
{
const int n_ents = ll_entry_count(struct part_driver, part_driver);
struct part_driver *entry;
+ blkcache_invalidate(dev_desc->if_type, dev_desc->devnum);
+
dev_desc->part_type = PART_TYPE_UNKNOWN;
for (entry = drv; entry != drv + n_ents; entry++) {
int ret;
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)
+#if CONFIG_IS_ENABLED(MAC_PARTITION) || \
+ CONFIG_IS_ENABLED(DOS_PARTITION) || \
+ CONFIG_IS_ENABLED(ISO_PARTITION) || \
+ CONFIG_IS_ENABLED(AMIGA_PARTITION) || \
+ CONFIG_IS_ENABLED(EFI_PARTITION)
puts ("\nPartition Map for ");
switch (dev_desc->if_type) {
case IF_TYPE_IDE:
puts ("MMC");
break;
case IF_TYPE_HOST:
- puts("HOST");
+ puts ("HOST");
+ break;
+ case IF_TYPE_NVME:
+ puts ("NVMe");
+ break;
+ case IF_TYPE_VIRTIO:
+ puts("VirtIO");
break;
default:
puts ("UNKNOWN");
{
struct part_driver *drv;
- drv = part_driver_lookup_type(dev_desc->part_type);
+ drv = part_driver_lookup_type(dev_desc);
if (!drv) {
printf("## Unknown partition table type %x\n",
dev_desc->part_type);
drv->print(dev_desc);
}
-#endif /* HAVE_BLOCK_DEVICE */
+#endif /* CONFIG_HAVE_BLOCK_DEVICE */
int part_get_info(struct blk_desc *dev_desc, int part,
disk_partition_t *info)
{
-#ifdef HAVE_BLOCK_DEVICE
+#ifdef CONFIG_HAVE_BLOCK_DEVICE
struct part_driver *drv;
-#ifdef CONFIG_PARTITION_UUIDS
+#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
/* The common case is no UUID support */
info->uuid[0] = 0;
#endif
info->type_guid[0] = 0;
#endif
- drv = part_driver_lookup_type(dev_desc->part_type);
+ drv = part_driver_lookup_type(dev_desc);
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");
+ PRINTF("## Driver %s does not have the get_info() method\n",
+ drv->name);
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 */
+#endif /* CONFIG_HAVE_BLOCK_DEVICE */
return -1;
}
+int part_get_info_whole_disk(struct blk_desc *dev_desc, disk_partition_t *info)
+{
+ info->start = 0;
+ info->size = dev_desc->lba;
+ info->blksz = dev_desc->blksz;
+ info->bootable = 0;
+ strcpy((char *)info->type, BOOT_PART_TYPE);
+ strcpy((char *)info->name, "Whole Disk");
+#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
+ info->uuid[0] = 0;
+#endif
+#ifdef CONFIG_PARTITION_TYPE_GUID
+ info->type_guid[0] = 0;
+#endif
+
+ return 0;
+}
+
int blk_get_device_by_str(const char *ifname, const char *dev_hwpart_str,
struct blk_desc **dev_desc)
{
if (*ep) {
printf("** Bad device specification %s %s **\n",
ifname, dev_str);
- dev = -1;
+ dev = -EINVAL;
goto cleanup;
}
if (*ep) {
printf("** Bad HW partition specification %s %s **\n",
ifname, hwpart_str);
- dev = -1;
+ dev = -EINVAL;
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_hwpart_str);
- dev = -1;
+ debug("** Bad device %s %s **\n", ifname, dev_hwpart_str);
+ dev = -ENOENT;
goto cleanup;
}
-#ifdef HAVE_BLOCK_DEVICE
+#ifdef CONFIG_HAVE_BLOCK_DEVICE
/*
* Updates the partition table for the specified hw partition.
- * Does not need to be done for hwpart 0 since it is default and
- * already loaded.
+ * Always should be done, otherwise hw partition 0 will return stale
+ * data after displaying a non-zero hw partition.
*/
- if(hwpart != 0)
- part_init(*dev_desc);
+ part_init(*dev_desc);
#endif
cleanup:
#define PART_UNSPECIFIED -2
#define PART_AUTO -1
-#define MAX_SEARCH_PARTITIONS 16
int blk_get_device_part_str(const char *ifname, const char *dev_part_str,
struct blk_desc **dev_desc,
disk_partition_t *info, int allow_whole_dev)
info->bootable = 0;
strcpy((char *)info->type, BOOT_PART_TYPE);
strcpy((char *)info->name, "Sandbox host");
-#ifdef CONFIG_PARTITION_UUIDS
+#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
info->uuid[0] = 0;
#endif
#ifdef CONFIG_PARTITION_TYPE_GUID
#ifdef CONFIG_CMD_UBIFS
/*
- * Special-case ubi, ubi goes through a mtd, rathen then through
+ * Special-case ubi, ubi goes through a mtd, rather than through
* a regular block device.
*/
if (0 == strcmp(ifname, "ubi")) {
memset(info, 0, sizeof(*info));
strcpy((char *)info->type, BOOT_PART_TYPE);
strcpy((char *)info->name, "UBI");
-#ifdef CONFIG_PARTITION_UUIDS
+#if CONFIG_IS_ENABLED(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, "-"))
- dev_part_str = getenv("bootdevice");
+ dev_part_str = env_get("bootdevice");
/* If still no dev_part_str, it's an error */
if (!dev_part_str) {
(*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz);
- info->start = 0;
- info->size = (*dev_desc)->lba;
- info->blksz = (*dev_desc)->blksz;
- info->bootable = 0;
- strcpy((char *)info->type, BOOT_PART_TYPE);
- strcpy((char *)info->name, "Whole Disk");
-#ifdef CONFIG_PARTITION_UUIDS
- info->uuid[0] = 0;
-#endif
-#ifdef CONFIG_PARTITION_TYPE_GUID
- info->type_guid[0] = 0;
-#endif
+ part_get_info_whole_disk(*dev_desc, info);
ret = 0;
goto cleanup;
free(dup_str);
return ret;
}
+
+int part_get_info_by_name_type(struct blk_desc *dev_desc, const char *name,
+ disk_partition_t *info, int part_type)
+{
+ struct part_driver *part_drv;
+ int ret;
+ int i;
+
+ part_drv = part_driver_lookup_type(dev_desc);
+ if (!part_drv)
+ return -1;
+ for (i = 1; i < part_drv->max_entries; i++) {
+ ret = part_drv->get_info(dev_desc, i, info);
+ if (ret != 0) {
+ /* no more entries in table */
+ break;
+ }
+ if (strcmp(name, (const char *)info->name) == 0) {
+ /* matched */
+ return i;
+ }
+ }
+
+ return -1;
+}
+
+int part_get_info_by_name(struct blk_desc *dev_desc, const char *name,
+ disk_partition_t *info)
+{
+ return part_get_info_by_name_type(dev_desc, name, info, PART_TYPE_ALL);
+}
+
+/**
+ * Get partition info from device number and partition name.
+ *
+ * Parse a device number and partition name string in the form of
+ * "device_num#partition_name", for example "0#misc". If the partition
+ * is found, sets dev_desc and part_info accordingly with the information
+ * of the partition with the given partition_name.
+ *
+ * @param[in] dev_iface Device interface
+ * @param[in] dev_part_str Input string argument, like "0#misc"
+ * @param[out] dev_desc Place to store the device description pointer
+ * @param[out] part_info Place to store the partition information
+ * @return 0 on success, or a negative on error
+ */
+static int part_get_info_by_dev_and_name(const char *dev_iface,
+ const char *dev_part_str,
+ struct blk_desc **dev_desc,
+ disk_partition_t *part_info)
+{
+ char *ep;
+ const char *part_str;
+ int dev_num;
+
+ part_str = strchr(dev_part_str, '#');
+ if (!part_str || part_str == dev_part_str)
+ return -EINVAL;
+
+ dev_num = simple_strtoul(dev_part_str, &ep, 16);
+ if (ep != part_str) {
+ /* Not all the first part before the # was parsed. */
+ return -EINVAL;
+ }
+ part_str++;
+
+ *dev_desc = blk_get_dev(dev_iface, dev_num);
+ if (!*dev_desc) {
+ printf("Could not find %s %d\n", dev_iface, dev_num);
+ return -EINVAL;
+ }
+ if (part_get_info_by_name(*dev_desc, part_str, part_info) < 0) {
+ printf("Could not find \"%s\" partition\n", part_str);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+int part_get_info_by_dev_and_name_or_num(const char *dev_iface,
+ const char *dev_part_str,
+ struct blk_desc **dev_desc,
+ disk_partition_t *part_info)
+{
+ /* Split the part_name if passed as "$dev_num#part_name". */
+ if (!part_get_info_by_dev_and_name(dev_iface, dev_part_str,
+ dev_desc, part_info))
+ return 0;
+ /*
+ * Couldn't lookup by name, try looking up the partition description
+ * directly.
+ */
+ if (blk_get_device_part_str(dev_iface, dev_part_str,
+ dev_desc, part_info, 1) < 0) {
+ printf("Couldn't find partition %s %s\n",
+ dev_iface, dev_part_str);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+void part_set_generic_name(const struct blk_desc *dev_desc,
+ int part_num, char *name)
+{
+ char *devtype;
+
+ switch (dev_desc->if_type) {
+ case IF_TYPE_IDE:
+ case IF_TYPE_SATA:
+ case IF_TYPE_ATAPI:
+ devtype = "hd";
+ break;
+ case IF_TYPE_SCSI:
+ devtype = "sd";
+ break;
+ case IF_TYPE_USB:
+ devtype = "usbd";
+ break;
+ case IF_TYPE_DOC:
+ devtype = "docd";
+ break;
+ case IF_TYPE_MMC:
+ case IF_TYPE_SD:
+ devtype = "mmcsd";
+ break;
+ default:
+ devtype = "xx";
+ break;
+ }
+
+ sprintf(name, "%s%c%d", devtype, 'a' + dev_desc->devnum, part_num);
+}
projects / oweals / u-boot.git / blobdiff