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-rw-r--r--hw/block-common.h45
-rw-r--r--hw/ide/internal.h1
-rw-r--r--hw/scsi.h1
-rw-r--r--hw/usb.h1
-rw-r--r--hw/virtio-blk.h2
-rw-r--r--hw/virtio.h1
6 files changed, 48 insertions, 3 deletions
diff --git a/hw/block-common.h b/hw/block-common.h
index 31e12baced..f0d509b93d 100644
--- a/hw/block-common.h
+++ b/hw/block-common.h
@@ -13,6 +13,51 @@
 
 #include "qemu-common.h"
 
+/* Configuration */
+
+typedef struct BlockConf {
+    BlockDriverState *bs;
+    uint16_t physical_block_size;
+    uint16_t logical_block_size;
+    uint16_t min_io_size;
+    uint32_t opt_io_size;
+    int32_t bootindex;
+    uint32_t discard_granularity;
+    /* geometry, not all devices use this */
+    uint32_t cyls, heads, secs;
+} BlockConf;
+
+static inline unsigned int get_physical_block_exp(BlockConf *conf)
+{
+    unsigned int exp = 0, size;
+
+    for (size = conf->physical_block_size;
+        size > conf->logical_block_size;
+        size >>= 1) {
+        exp++;
+    }
+
+    return exp;
+}
+
+#define DEFINE_BLOCK_PROPERTIES(_state, _conf)                          \
+    DEFINE_PROP_DRIVE("drive", _state, _conf.bs),                       \
+    DEFINE_PROP_BLOCKSIZE("logical_block_size", _state,                 \
+                          _conf.logical_block_size, 512),               \
+    DEFINE_PROP_BLOCKSIZE("physical_block_size", _state,                \
+                          _conf.physical_block_size, 512),              \
+    DEFINE_PROP_UINT16("min_io_size", _state, _conf.min_io_size, 0),  \
+    DEFINE_PROP_UINT32("opt_io_size", _state, _conf.opt_io_size, 0),    \
+    DEFINE_PROP_INT32("bootindex", _state, _conf.bootindex, -1),        \
+    DEFINE_PROP_UINT32("discard_granularity", _state, \
+                       _conf.discard_granularity, 0)
+
+#define DEFINE_BLOCK_CHS_PROPERTIES(_state, _conf)      \
+    DEFINE_PROP_UINT32("cyls", _state, _conf.cyls, 0),  \
+    DEFINE_PROP_UINT32("heads", _state, _conf.heads, 0), \
+    DEFINE_PROP_UINT32("secs", _state, _conf.secs, 0)
+
+
 /* Hard disk geometry */
 
 #define BIOS_ATA_TRANSLATION_AUTO   0
diff --git a/hw/ide/internal.h b/hw/ide/internal.h
index c3ecafc1f4..7170bd9cd0 100644
--- a/hw/ide/internal.h
+++ b/hw/ide/internal.h
@@ -11,6 +11,7 @@
 #include "iorange.h"
 #include "dma.h"
 #include "sysemu.h"
+#include "hw/block-common.h"
 #include "hw/scsi-defs.h"
 
 /* debug IDE devices */
diff --git a/hw/scsi.h b/hw/scsi.h
index 76f06d41de..d90e9702fb 100644
--- a/hw/scsi.h
+++ b/hw/scsi.h
@@ -3,6 +3,7 @@
 
 #include "qdev.h"
 #include "block.h"
+#include "hw/block-common.h"
 #include "sysemu.h"
 
 #define MAX_SCSI_DEVS	255
diff --git a/hw/usb.h b/hw/usb.h
index 7ed8fb8fcf..432ccae57f 100644
--- a/hw/usb.h
+++ b/hw/usb.h
@@ -25,7 +25,6 @@
  * THE SOFTWARE.
  */
 
-#include "block.h"
 #include "qdev.h"
 #include "qemu-queue.h"
 
diff --git a/hw/virtio-blk.h b/hw/virtio-blk.h
index d7850012bd..79ebccc95b 100644
--- a/hw/virtio-blk.h
+++ b/hw/virtio-blk.h
@@ -15,7 +15,7 @@
 #define _QEMU_VIRTIO_BLK_H
 
 #include "virtio.h"
-#include "block.h"
+#include "hw/block-common.h"
 
 /* from Linux's linux/virtio_blk.h */
 
diff --git a/hw/virtio.h b/hw/virtio.h
index 85aabe53d8..42a7762999 100644
--- a/hw/virtio.h
+++ b/hw/virtio.h
@@ -18,7 +18,6 @@
 #include "net.h"
 #include "qdev.h"
 #include "sysemu.h"
-#include "block.h"
 #include "event_notifier.h"
 #ifdef CONFIG_LINUX
 #include "9p.h"