disk: Provide API to get partition by name for specific type

[u-boot] / disk / part.c

diff --git a/disk/part.c b/disk/part.c
index cd447024c0d2e5a24454d8b5c6725360174a8271..66b8101f98c7616410d7e1b97f5f68023cb035c9 100644 (file)
--- a/disk/part.c
+++ b/disk/part.c
@@ -21,6 +21,9 @@
 #define PRINTF(fmt,args...)
 #endif
 
+/* Check all partition types */
+#define PART_TYPE_ALL          -1
+
 DECLARE_GLOBAL_DATA_PTR;
 
 #ifdef HAVE_BLOCK_DEVICE
@@ -132,6 +135,7 @@ 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,
@@ -263,7 +267,10 @@ static void print_part_header(const char *type, struct blk_desc *dev_desc)
                puts ("MMC");
                break;
        case IF_TYPE_HOST:
-               puts("HOST");
+               puts ("HOST");
+               break;
+       case IF_TYPE_NVME:
+               puts ("NVMe");
                break;
        default:
                puts ("UNKNOWN");
@@ -327,6 +334,24 @@ int part_get_info(struct blk_desc *dev_desc, int part,
        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)
 {
@@ -388,7 +413,6 @@ 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)
@@ -452,7 +476,7 @@ int blk_get_device_part_str(const char *ifname, const char *dev_part_str,
        /* 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) {
@@ -520,18 +544,7 @@ int blk_get_device_part_str(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");
-#if CONFIG_IS_ENABLED(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;
@@ -616,8 +629,8 @@ cleanup:
        return ret;
 }
 
-int part_get_info_by_name(struct blk_desc *dev_desc, const char *name,
-       disk_partition_t *info)
+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);
@@ -628,6 +641,8 @@ int part_get_info_by_name(struct blk_desc *dev_desc, const char *name,
                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 */
@@ -635,13 +650,19 @@ int part_get_info_by_name(struct blk_desc *dev_desc, const char *name,
                        }
                        if (strcmp(name, (const char *)info->name) == 0) {
                                /* matched */
-                               return 0;
+                               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)
 {