diff options
Diffstat (limited to 'lib/efi_loader/efi_disk.c')
-rw-r--r-- | lib/efi_loader/efi_disk.c | 60 |
1 files changed, 55 insertions, 5 deletions
diff --git a/lib/efi_loader/efi_disk.c b/lib/efi_loader/efi_disk.c index 5feeb52..39ea1a6 100644 --- a/lib/efi_loader/efi_disk.c +++ b/lib/efi_loader/efi_disk.c @@ -498,13 +498,13 @@ static efi_status_t efi_disk_add_dev( diskobj->media.last_block); /* Store first EFI system partition */ - if (part && !efi_system_partition.if_type) { + if (part && !efi_system_partition.uclass_id) { if (part_info->bootable & PART_EFI_SYSTEM_PARTITION) { - efi_system_partition.if_type = desc->if_type; + efi_system_partition.uclass_id = desc->uclass_id; efi_system_partition.devnum = desc->devnum; efi_system_partition.part = part; EFI_PRINT("EFI system partition: %s %x:%x\n", - blk_get_if_type_name(desc->if_type), + blk_get_uclass_name(desc->uclass_id), desc->devnum, part); } } @@ -640,7 +640,7 @@ static int efi_disk_probe(void *ctx, struct event *event) * has already created an efi_disk at this moment. */ desc = dev_get_uclass_plat(dev); - if (desc->if_type != IF_TYPE_EFI_LOADER) { + if (desc->uclass_id != UCLASS_EFI_LOADER) { ret = efi_disk_create_raw(dev); if (ret) return -1; @@ -675,7 +675,7 @@ static int efi_disk_delete_raw(struct udevice *dev) return -1; desc = dev_get_uclass_plat(dev); - if (desc->if_type != IF_TYPE_EFI_LOADER) { + if (desc->uclass_id != UCLASS_EFI_LOADER) { diskobj = container_of(handle, struct efi_disk_obj, header); efi_free_pool(diskobj->dp); } @@ -762,6 +762,56 @@ efi_status_t efi_disk_init(void) } /** + * efi_disk_get_device_name() - get U-Boot device name associated with EFI handle + * + * @handle: pointer to the EFI handle + * @buf: pointer to the buffer to store the string + * @size: size of buffer + * Return: status code + */ +efi_status_t efi_disk_get_device_name(const efi_handle_t handle, char *buf, int size) +{ + int count; + int diskid; + enum uclass_id id; + unsigned int part; + struct udevice *dev; + struct blk_desc *desc; + const char *if_typename; + bool is_partition = false; + struct disk_part *part_data; + + if (!handle || !buf || !size) + return EFI_INVALID_PARAMETER; + + dev = handle->dev; + id = device_get_uclass_id(dev); + if (id == UCLASS_BLK) { + desc = dev_get_uclass_plat(dev); + } else if (id == UCLASS_PARTITION) { + desc = dev_get_uclass_plat(dev_get_parent(dev)); + is_partition = true; + } else { + return EFI_INVALID_PARAMETER; + } + if_typename = blk_get_uclass_name(desc->uclass_id); + diskid = desc->devnum; + + if (is_partition) { + part_data = dev_get_uclass_plat(dev); + part = part_data->partnum; + count = snprintf(buf, size, "%s %d:%d", if_typename, diskid, part); + } else { + count = snprintf(buf, size, "%s %d", if_typename, diskid); + } + + if (count < 0 || (count + 1) > size) + return EFI_INVALID_PARAMETER; + + return EFI_SUCCESS; +} + +/** * efi_disks_register() - ensure all block devices are available in UEFI * * The function probes all block devices. As we store UEFI variables on the |