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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"