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authorMarkus Armbruster <armbru@redhat.com>2014-10-07 13:59:18 +0200
committerKevin Wolf <kwolf@redhat.com>2014-10-20 14:02:25 +0200
commit4be746345f13e99e468c60acbd3a355e8183e3ce (patch)
tree16509218f940129beb113cf3b1be158c3501ec1d /include/hw/qdev-properties.h
parent2a30307f709e6a395d23cf94837e9aae15f8e8fa (diff)
downloadfocaccia-qemu-4be746345f13e99e468c60acbd3a355e8183e3ce.tar.gz
focaccia-qemu-4be746345f13e99e468c60acbd3a355e8183e3ce.zip
hw: Convert from BlockDriverState to BlockBackend, mostly
Device models should access their block backends only through the
block-backend.h API.  Convert them, and drop direct includes of
inappropriate headers.

Just four uses of BlockDriverState are left:

* The Xen paravirtual block device backend (xen_disk.c) opens images
  itself when set up via xenbus, bypassing blockdev.c.  I figure it
  should go through qmp_blockdev_add() instead.

* Device model "usb-storage" prompts for keys.  No other device model
  does, and this one probably shouldn't do it, either.

* ide_issue_trim_cb() uses bdrv_aio_discard() instead of
  blk_aio_discard() because it fishes its backend out of a BlockAIOCB,
  which has only the BlockDriverState.

* PC87312State has an unused BlockDriverState[] member.

The next two commits take care of the latter two.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'include/hw/qdev-properties.h')
-rw-r--r--include/hw/qdev-properties.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h
index ae56ee59a4..070006c715 100644
--- a/include/hw/qdev-properties.h
+++ b/include/hw/qdev-properties.h
@@ -141,7 +141,7 @@ extern PropertyInfo qdev_prop_arraylen;
 #define DEFINE_PROP_VLAN(_n, _s, _f)             \
     DEFINE_PROP(_n, _s, _f, qdev_prop_vlan, NICPeers)
 #define DEFINE_PROP_DRIVE(_n, _s, _f) \
-    DEFINE_PROP(_n, _s, _f, qdev_prop_drive, BlockDriverState *)
+    DEFINE_PROP(_n, _s, _f, qdev_prop_drive, BlockBackend *)
 #define DEFINE_PROP_MACADDR(_n, _s, _f)         \
     DEFINE_PROP(_n, _s, _f, qdev_prop_macaddr, MACAddr)
 #define DEFINE_PROP_LOSTTICKPOLICY(_n, _s, _f, _d) \
@@ -168,8 +168,10 @@ void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value);
 void qdev_prop_set_string(DeviceState *dev, const char *name, const char *value);
 void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value);
 void qdev_prop_set_netdev(DeviceState *dev, const char *name, NetClientState *value);
-int qdev_prop_set_drive(DeviceState *dev, const char *name, BlockDriverState *value) QEMU_WARN_UNUSED_RESULT;
-void qdev_prop_set_drive_nofail(DeviceState *dev, const char *name, BlockDriverState *value);
+int qdev_prop_set_drive(DeviceState *dev, const char *name,
+                        BlockBackend *value) QEMU_WARN_UNUSED_RESULT;
+void qdev_prop_set_drive_nofail(DeviceState *dev, const char *name,
+                                BlockBackend *value);
 void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value);
 void qdev_prop_set_enum(DeviceState *dev, const char *name, int value);
 /* FIXME: Remove opaque pointer properties.  */