Compile async only once

[qemu.git] / block_int.h

diff --git a/block_int.h b/block_int.h
index a0ebd90a0be3faf18fa2a858ee824d28306c8c29..71b633b788570b90fc98f4b39e5a1449441695f2 100644 (file)
--- a/block_int.h
+++ b/block_int.h
@@ -130,6 +130,8 @@ struct BlockDriverState {
     int64_t total_sectors; /* if we are reading a disk image, give its
                               size in sectors */
     int read_only; /* if true, the media is read only */
+    int keep_read_only; /* if true, the media was requested to stay read only */
+    int open_flags; /* flags used to open the file, re-used for re-open */
     int removable; /* if true, the media can be removed */
     int locked;    /* if true, the media cannot temporarily be ejected */
     int encrypted; /* if true, the media is encrypted */
@@ -175,6 +177,7 @@ struct BlockDriverState {
     int type;
     char device_name[32];
     unsigned long *dirty_bitmap;
+    int64_t dirty_count;
     BlockDriverState *next;
     void *private;
 };
@@ -201,4 +204,34 @@ extern BlockDriverState *bdrv_first;
 int is_windows_drive(const char *filename);
 #endif
 
+struct DriveInfo;
+
+typedef struct BlockConf {
+    struct DriveInfo *dinfo;
+    uint16_t physical_block_size;
+    uint16_t logical_block_size;
+    uint16_t min_io_size;
+    uint32_t opt_io_size;
+} BlockConf;
+
+static inline unsigned int get_physical_block_exp(BlockConf *conf)
+{
+    unsigned int exp = 0, size;
+
+    for (size = conf->physical_block_size; size > 512; size >>= 1) {
+        exp++;
+    }
+
+    return exp;
+}
+
+#define DEFINE_BLOCK_PROPERTIES(_state, _conf)                          \
+    DEFINE_PROP_DRIVE("drive", _state, _conf.dinfo),                    \
+    DEFINE_PROP_UINT16("logical_block_size", _state,                    \
+                       _conf.logical_block_size, 512),                  \
+    DEFINE_PROP_UINT16("physical_block_size", _state,                   \
+                       _conf.physical_block_size, 512),                 \
+    DEFINE_PROP_UINT16("min_io_size", _state, _conf.min_io_size, 512),  \
+    DEFINE_PROP_UINT32("opt_io_size", _state, _conf.opt_io_size, 512)
+
 #endif /* BLOCK_INT_H */