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better support of host drives

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2124 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2006-08-19 11:45:59 +00:00
parent 66c6ef7678
commit 19cb37389f
5 changed files with 808 additions and 164 deletions
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12
block_int.h
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@ -70,6 +70,12 @@ struct BlockDriver {
QEMUSnapshotInfo **psn_info);
int (*bdrv_get_info)(BlockDriverState *bs, BlockDriverInfo *bdi);
/* removable device specific */
int (*bdrv_is_inserted)(BlockDriverState *bs);
int (*bdrv_media_changed)(BlockDriverState *bs);
int (*bdrv_eject)(BlockDriverState *bs, int eject_flag);
int (*bdrv_set_locked)(BlockDriverState *bs, int locked);
BlockDriverAIOCB *free_aiocb;
struct BlockDriver *next;
};
@ -78,7 +84,6 @@ 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 inserted; /* if true, the media is present */
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 */
@ -86,7 +91,7 @@ struct BlockDriverState {
void (*change_cb)(void *opaque);
void *change_opaque;
BlockDriver *drv;
BlockDriver *drv; /* NULL means no media */
void *opaque;
int boot_sector_enabled;
@ -96,7 +101,8 @@ struct BlockDriverState {
char backing_file[1024]; /* if non zero, the image is a diff of
this file image */
int is_temporary;
int media_changed;
BlockDriverState *backing_hd;
/* async read/write emulation */