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@@ -12,6 +12,9 @@
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#include <malloc.h>
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#include <fs.h>
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+/* GUID for file system information */
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+const efi_guid_t efi_file_system_info_guid = EFI_FILE_SYSTEM_INFO_GUID;
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+
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struct file_system {
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struct efi_simple_file_system_protocol base;
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struct efi_device_path *dp;
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@@ -472,6 +475,41 @@ static efi_status_t EFIAPI efi_file_getinfo(struct efi_file_handle *file,
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info->attribute |= EFI_FILE_DIRECTORY;
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ascii2unicode((u16 *)info->file_name, filename);
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+ } else if (!guidcmp(info_type, &efi_file_system_info_guid)) {
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+ struct efi_file_system_info *info = buffer;
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+ disk_partition_t part;
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+ efi_uintn_t required_size;
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+ int r;
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+
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+ if (fh->fs->part >= 1)
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+ r = part_get_info(fh->fs->desc, fh->fs->part, &part);
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+ else
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+ r = part_get_info_whole_disk(fh->fs->desc, &part);
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+ if (r < 0) {
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+ ret = EFI_DEVICE_ERROR;
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+ goto error;
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+ }
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+ required_size = sizeof(info) + 2 *
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+ (strlen((const char *)part.name) + 1);
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+ if (*buffer_size < required_size) {
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+ *buffer_size = required_size;
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+ ret = EFI_BUFFER_TOO_SMALL;
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+ goto error;
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+ }
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+
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+ memset(info, 0, required_size);
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+
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+ info->size = required_size;
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+ info->read_only = true;
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+ info->volume_size = part.size * part.blksz;
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+ info->free_space = 0;
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+ info->block_size = part.blksz;
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+ /*
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+ * TODO: The volume label is not available in U-Boot.
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+ * Use the partition name as substitute.
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+ */
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+ ascii2unicode((u16 *)info->volume_label,
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+ (const char *)part.name);
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} else {
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ret = EFI_UNSUPPORTED;
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}
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