[Qemu-devel] [PATCH 03/17] block: Introduce bdrv_get_encrypted_filename

[Jan Kiszka]

Introduce bdrv_get_encrypted_filename service to allow more informative
password prompting.

Signed-off-by: Jan Kiszka <address@hidden>
---

 block.c |   10 ++++++++++
 block.h |    1 +
 2 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/block.c b/block.c
index d12a9aa..78982f4 100644
--- a/block.c
+++ b/block.c
@@ -1089,6 +1089,16 @@ void bdrv_info_stats (void)
     }
 }
 
+const char *bdrv_get_encrypted_filename(BlockDriverState *bs)
+{
+    if (bs->backing_hd && bs->backing_hd->encrypted)
+        return bs->backing_file;
+    else if (bs->encrypted)
+        return bs->filename;
+    else
+        return NULL;
+}
+
 void bdrv_get_backing_filename(BlockDriverState *bs,
                                char *filename, int filename_size)
 {
diff --git a/block.h b/block.h
index aa26ef3..a01fa31 100644
--- a/block.h
+++ b/block.h
@@ -152,6 +152,7 @@ int bdrv_write_compressed(BlockDriverState *bs, int64_t 
sector_num,
                           const uint8_t *buf, int nb_sectors);
 int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi);
 
+const char *bdrv_get_encrypted_filename(BlockDriverState *bs);
 void bdrv_get_backing_filename(BlockDriverState *bs,
                                char *filename, int filename_size);
 int bdrv_snapshot_create(BlockDriverState *bs,