cadence_gem: initial version of device model

[qemu.git] / blockdev.h

diff --git a/blockdev.h b/blockdev.h
index 4536b5cab1855448793c7cd124e0b69827392332..260e16b3c692f8580f41210699ee13c88324ee47 100644 (file)
--- a/blockdev.h
+++ b/blockdev.h
@@ -11,6 +11,7 @@
 #define BLOCKDEV_H
 
 #include "block.h"
+#include "error.h"
 #include "qemu-queue.h"
 
 void blockdev_mark_auto_del(BlockDriverState *bs);
@@ -18,6 +19,13 @@ void blockdev_auto_del(BlockDriverState *bs);
 
 #define BLOCK_SERIAL_STRLEN 20
 
+typedef enum {
+    IF_DEFAULT = -1,            /* for use with drive_add() only */
+    IF_NONE,
+    IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN,
+    IF_COUNT
+} BlockInterfaceType;
+
 struct DriveInfo {
     BlockDriverState *bdrv;
     char *id;
@@ -26,32 +34,32 @@ struct DriveInfo {
     int bus;
     int unit;
     int auto_del;               /* see blockdev_mark_auto_del() */
+    int media_cd;
     QemuOpts *opts;
     char serial[BLOCK_SERIAL_STRLEN + 1];
     QTAILQ_ENTRY(DriveInfo) next;
+    int refcount;
 };
 
-#define MAX_IDE_DEVS   2
-#define MAX_SCSI_DEVS  255
-
 DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);
+DriveInfo *drive_get_by_index(BlockInterfaceType type, int index);
 int drive_get_max_bus(BlockInterfaceType type);
-void drive_uninit(DriveInfo *dinfo);
+DriveInfo *drive_get_next(BlockInterfaceType type);
+void drive_get_ref(DriveInfo *dinfo);
+void drive_put_ref(DriveInfo *dinfo);
 DriveInfo *drive_get_by_blockdev(BlockDriverState *bs);
 
-QemuOpts *drive_add(const char *file, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
-DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi, int *fatal_error);
+QemuOpts *drive_def(const char *optstr);
+QemuOpts *drive_add(BlockInterfaceType type, int index, const char *file,
+                    const char *optstr);
+DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi);
 
 /* device-hotplug */
 
 DriveInfo *add_init_drive(const char *opts);
 
+void qmp_change_blockdev(const char *device, const char *filename,
+                         bool has_format, const char *format, Error **errp);
 void do_commit(Monitor *mon, const QDict *qdict);
-int do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data);
-int do_block_set_passwd(Monitor *mon, const QDict *qdict, QObject **ret_data);
-int do_change_block(Monitor *mon, const char *device,
-                    const char *filename, const char *fmt);
 int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data);
-int do_snapshot_blkdev(Monitor *mon, const QDict *qdict, QObject **ret_data);
-
 #endif