]> git.ipfire.org Git - people/ms/u-boot.git/blobdiff - disk/part.c
omap3_logic: Fix Environmental location
[people/ms/u-boot.git] / disk / part.c
index cfd77b0ff567cbacd4f5a3e6223e2edeb28fbd69..e9e18a09106f859f13bb020f0ca3d1a9ccf4076b 100644 (file)
@@ -7,9 +7,11 @@
 
 #include <common.h>
 #include <command.h>
+#include <errno.h>
 #include <ide.h>
 #include <malloc.h>
 #include <part.h>
+#include <ubifs_uboot.h>
 
 #undef PART_DEBUG
 
 #define PRINTF(fmt,args...)
 #endif
 
-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_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
-       { },
-};
+/* Check all partition types */
+#define PART_TYPE_ALL          -1
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#ifdef HAVE_BLOCK_DEVICE
-block_dev_desc_t *get_dev_hwpart(const char *ifname, int dev, int hwpart)
+#ifdef CONFIG_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;
-       block_dev_desc_t* (*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) {
-                       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;
+       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;
 }
 
-block_dev_desc_t *get_dev(const char *ifname, int dev)
+struct blk_desc *blk_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)
+struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart)
 {
        return NULL;
 }
 
-block_dev_desc_t *get_dev(const char *ifname, int dev)
+struct blk_desc *blk_get_dev(const char *ifname, int dev)
 {
        return NULL;
 }
 #endif
 
-#ifdef HAVE_BLOCK_DEVICE
+#ifdef CONFIG_HAVE_BLOCK_DEVICE
 
 /* ------------------------------------------------------------------------- */
 /*
@@ -143,7 +107,7 @@ static lba512_t lba512_muldiv(lba512_t block_count, lba512_t mul_by, lba512_t di
        return bc_quot * mul_by + (bc_rem * mul_by) / div_by;
 }
 
-void dev_print (block_dev_desc_t *dev_desc)
+void dev_print (struct blk_desc *dev_desc)
 {
        lba512_t lba512; /* number of blocks if 512bytes block size */
 
@@ -171,6 +135,7 @@ void dev_print (block_dev_desc_t *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,
@@ -229,13 +194,13 @@ void dev_print (block_dev_desc_t *dev_desc)
                        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,
@@ -247,57 +212,37 @@ void dev_print (block_dev_desc_t *dev_desc)
 }
 #endif
 
-#ifdef HAVE_BLOCK_DEVICE
+#ifdef CONFIG_HAVE_BLOCK_DEVICE
 
-void init_part(block_dev_desc_t *dev_desc)
+void part_init(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
+       blkcache_invalidate(dev_desc->if_type, dev_desc->devnum);
 
-#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;
+               }
+       }
 }
 
-
-#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, block_dev_desc_t *dev_desc)
+static void print_part_header(const char *type, struct blk_desc *dev_desc)
 {
+#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:
@@ -322,131 +267,93 @@ static void print_part_header(const char *type, block_dev_desc_t *dev_desc)
                puts ("MMC");
                break;
        case IF_TYPE_HOST:
-               puts("HOST");
+               puts ("HOST");
+               break;
+       case IF_TYPE_NVME:
+               puts ("NVMe");
                break;
        default:
                puts ("UNKNOWN");
                break;
        }
        printf (" device %d  --   Partition Type: %s\n\n",
-                       dev_desc->dev, type);
-}
-
+                       dev_desc->devnum, type);
 #endif /* any CONFIG_..._PARTITION */
+}
 
-void print_part(block_dev_desc_t * dev_desc)
+void part_print(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);
+       drv = part_driver_lookup_type(dev_desc->part_type);
+       if (!drv) {
+               printf("## Unknown partition table type %x\n",
+                      dev_desc->part_type);
                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);
-               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 */
+#endif /* CONFIG_HAVE_BLOCK_DEVICE */
 
-int get_partition_info(block_dev_desc_t *dev_desc, int part,
+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
-
-       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;
+#ifdef CONFIG_PARTITION_TYPE_GUID
+       info->type_guid[0] = 0;
 #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
+       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",
+                      drv->name);
+               return -ENOSYS;
+       }
+       if (drv->get_info(dev_desc, part, info) == 0) {
+               PRINTF("## Valid %s partition found ##\n", drv->name);
+               return 0;
+       }
+#endif /* CONFIG_HAVE_BLOCK_DEVICE */
 
-#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
+       return -1;
+}
 
-#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;
+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_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;
+#ifdef CONFIG_PARTITION_TYPE_GUID
+       info->type_guid[0] = 0;
 #endif
-       default:
-               break;
-       }
-#endif /* HAVE_BLOCK_DEVICE */
 
-       return -1;
+       return 0;
 }
 
-int get_device(const char *ifname, const char *dev_hwpart_str,
-              block_dev_desc_t **dev_desc)
+int blk_get_device_by_str(const char *ifname, const char *dev_hwpart_str,
+                         struct blk_desc **dev_desc)
 {
        char *ep;
        char *dup_str = NULL;
@@ -468,7 +375,7 @@ int get_device(const char *ifname, const char *dev_hwpart_str,
        if (*ep) {
                printf("** Bad device specification %s %s **\n",
                       ifname, dev_str);
-               dev = -1;
+               dev = -EINVAL;
                goto cleanup;
        }
 
@@ -477,7 +384,7 @@ int get_device(const char *ifname, const char *dev_hwpart_str,
                if (*ep) {
                        printf("** Bad HW partition specification %s %s **\n",
                            ifname, hwpart_str);
-                       dev = -1;
+                       dev = -EINVAL;
                        goto cleanup;
                }
        }
@@ -485,10 +392,20 @@ int get_device(const char *ifname, const char *dev_hwpart_str,
        *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;
+               dev = -ENOENT;
                goto cleanup;
        }
 
+#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.
+        */
+       if(hwpart != 0)
+               part_init(*dev_desc);
+#endif
+
 cleanup:
        free(dup_str);
        return dev;
@@ -496,9 +413,8 @@ cleanup:
 
 #define PART_UNSPECIFIED -2
 #define PART_AUTO -1
-#define MAX_SEARCH_PARTITIONS 16
-int get_device_and_partition(const char *ifname, const char *dev_part_str,
-                            block_dev_desc_t **dev_desc,
+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)
 {
        int ret = -1;
@@ -511,6 +427,7 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str,
        int part;
        disk_partition_t tmpinfo;
 
+#ifdef CONFIG_SANDBOX
        /*
         * Special-case a pseudo block device "hostfs", to allow access to the
         * host's own filesystem.
@@ -523,17 +440,43 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str,
                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
+               info->type_guid[0] = 0;
+#endif
 
                return 0;
        }
+#endif
+
+#ifdef CONFIG_CMD_UBIFS
+       /*
+        * Special-case ubi, ubi goes through a mtd, rathen then through
+        * a regular block device.
+        */
+       if (0 == strcmp(ifname, "ubi")) {
+               if (!ubifs_is_mounted()) {
+                       printf("UBIFS not mounted, use ubifsmount to mount volume first!\n");
+                       return -1;
+               }
+
+               *dev_desc = NULL;
+               memset(info, 0, sizeof(*info));
+               strcpy((char *)info->type, BOOT_PART_TYPE);
+               strcpy((char *)info->name, "UBI");
+#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
+               info->uuid[0] = 0;
+#endif
+               return 0;
+       }
+#endif
 
        /* 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) {
@@ -553,7 +496,7 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str,
        }
 
        /* Look up the device */
-       dev = get_device(ifname, dev_str, dev_desc);
+       dev = blk_get_device_by_str(ifname, dev_str, dev_desc);
        if (dev < 0)
                goto cleanup;
 
@@ -601,15 +544,7 @@ int get_device_and_partition(const char *ifname, const char *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
+               part_get_info_whole_disk(*dev_desc, info);
 
                ret = 0;
                goto cleanup;
@@ -627,7 +562,7 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str,
         * other than "auto", use that partition number directly.
         */
        if (part != PART_AUTO) {
-               ret = get_partition_info(*dev_desc, part, info);
+               ret = part_get_info(*dev_desc, part, info);
                if (ret) {
                        printf("** Invalid partition %d **\n", part);
                        goto cleanup;
@@ -639,7 +574,7 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str,
                 */
                part = 0;
                for (p = 1; p <= MAX_SEARCH_PARTITIONS; p++) {
-                       ret = get_partition_info(*dev_desc, p, info);
+                       ret = part_get_info(*dev_desc, p, info);
                        if (ret)
                                continue;
 
@@ -693,3 +628,69 @@ 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 *first_drv =
+               ll_entry_start(struct part_driver, part_driver);
+       const int n_drvs = ll_entry_count(struct part_driver, part_driver);
+       struct part_driver *part_drv;
+
+       for (part_drv = first_drv; part_drv != first_drv + n_drvs; part_drv++) {
+               int ret;
+               int i;
+               for (i = 1; i < part_drv->max_entries; i++) {
+                       if (part_type >= 0 && part_type != part_drv->part_type)
+                               break;
+                       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);
+}
+
+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);
+}