From: aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Thu, 5 Mar 2009 19:42:19 +0000 (+0000)
Subject: block: Introduce bdrv_get_encrypted_filename (Jan Kiszka)
X-Git-Tag: xen-3.4.0-rc2~1^2~20^2~22
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=49780457810325f0fd40811bfda7f4ec391de7a7;p=qemu-xen-4.0-testing.git

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 <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/branches/stable_0_10_0@6696 c046a42c-6fe2-441c-8c8c-71466251a162
---

diff --git a/block.c b/block.c
index 6bbc389f..e35c9a65 100644
--- a/block.c
+++ b/block.c
@@ -1134,6 +1134,16 @@ 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 aa26ef39..a01fa31b 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,