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vfio: Wrap VFIO_DEVICE_GET_REGION_INFO

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In preparation for supporting capability chains on regions, wrap
ioctl(VFIO_DEVICE_GET_REGION_INFO) so we don't duplicate the code for
each caller.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Alex Williamson 2016-03-10 09:39:07 -07:00
parent 7df9381b7a
commit 469002263a
4 changed files with 73 additions and 46 deletions
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7
include/hw/vfio/vfio-common.h
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@ -25,6 +25,9 @@
#include "exec/memory.h"
#include "qemu/queue.h"
#include "qemu/notify.h"
#ifdef CONFIG_LINUX
#include <linux/vfio.h>
#endif
/*#define DEBUG_VFIO*/
#ifdef DEBUG_VFIO
@ -139,4 +142,8 @@ extern const MemoryRegionOps vfio_region_ops;
extern QLIST_HEAD(vfio_group_head, VFIOGroup) vfio_group_list;
extern QLIST_HEAD(vfio_as_head, VFIOAddressSpace) vfio_address_spaces;
#ifdef CONFIG_LINUX
int vfio_get_region_info(VFIODevice *vbasedev, int index,
struct vfio_region_info **info);
#endif
#endif /* !HW_VFIO_VFIO_COMMON_H */