[Qemu-devel] [PATCH v8 15/36] qdev: Add "lock-mode" to block device options

[Fam Zheng <famz@redhat.com>]

Signed-off-by: Fam Zheng <famz@redhat.com>
---
 hw/core/qdev-properties.c    | 10 ++++++++++
 include/hw/block/block.h     |  1 +
 include/hw/qdev-properties.h |  3 +++
 3 files changed, 14 insertions(+)

diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
index 311af6d..829b143 100644
--- a/hw/core/qdev-properties.c
+++ b/hw/core/qdev-properties.c
@@ -552,6 +552,16 @@ PropertyInfo qdev_prop_blockdev_on_error = {
     .set = set_enum,
 };
 
+/* --- Block image lock mode --- */
+
+PropertyInfo qdev_prop_lock_mode = {
+    .name  = "ImageLockMode",
+    .description = "Image lock mode for drive (auto/shared/exclusive/nolock)",
+    .enum_table = ImageLockMode_lookup,
+    .get = get_enum,
+    .set = set_enum,
+};
+
 /* --- BIOS CHS translation */
 
 QEMU_BUILD_BUG_ON(sizeof(BiosAtaTranslation) != sizeof(int));
diff --git a/include/hw/block/block.h b/include/hw/block/block.h
index 8c04469..520d142 100644
--- a/include/hw/block/block.h
+++ b/include/hw/block/block.h
@@ -47,6 +47,7 @@ static inline unsigned int get_physical_block_exp(BlockConf *conf)
 
 #define DEFINE_BLOCK_PROPERTIES(_state, _conf)                          \
     DEFINE_PROP_DRIVE("drive", _state, _conf.blk),                      \
+    DEFINE_PROP_LOCK_MODE("lock-mode", _state, _conf.lock_mode),        \
     DEFINE_PROP_BLOCKSIZE("logical_block_size", _state,                 \
                           _conf.logical_block_size),                    \
     DEFINE_PROP_BLOCKSIZE("physical_block_size", _state,                \
diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h
index 2a9d2f9..1bce8ee 100644
--- a/include/hw/qdev-properties.h
+++ b/include/hw/qdev-properties.h
@@ -30,6 +30,7 @@ extern PropertyInfo qdev_prop_pci_devfn;
 extern PropertyInfo qdev_prop_blocksize;
 extern PropertyInfo qdev_prop_pci_host_devaddr;
 extern PropertyInfo qdev_prop_arraylen;
+extern PropertyInfo qdev_prop_lock_mode;
 
 #define DEFINE_PROP(_name, _state, _field, _prop, _type) { \
         .name      = (_name),                                    \
@@ -155,6 +156,8 @@ extern PropertyInfo qdev_prop_arraylen;
     DEFINE_PROP(_n, _s, _f, qdev_prop_vlan, NICPeers)
 #define DEFINE_PROP_DRIVE(_n, _s, _f) \
     DEFINE_PROP(_n, _s, _f, qdev_prop_drive, BlockBackend *)
+#define DEFINE_PROP_LOCK_MODE(_n, _s, _f) \
+    DEFINE_PROP(_n, _s, _f, qdev_prop_lock_mode, ImageLockMode)
 #define DEFINE_PROP_MACADDR(_n, _s, _f)         \
     DEFINE_PROP(_n, _s, _f, qdev_prop_macaddr, MACAddr)
 #define DEFINE_PROP_ON_OFF_AUTO(_n, _s, _f, _d) \
-- 
2.7.4