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Add virtio disk identification support

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This patch adds the final missing bits for support of
passing a serial/id string to a virtio-blk guest driver.

The guest-side component already exists in the virtio
driver, and has recently been reworked by Ryan to export
a /sys interface for retrieval of the id from guest userland.

Signed-off-by: john cooper <john.cooper@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
john cooper 2010-07-02 13:44:25 -04:00 • committed by Kevin Wolf
parent 9ac228e02c
commit 2930b313dd
2 changed files with 17 additions and 0 deletions
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3
hw/virtio-blk.h
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@ -59,6 +59,9 @@ struct virtio_blk_config
/* Flush the volatile write cache */
#define VIRTIO_BLK_T_FLUSH 4
/* return the device ID string */
#define VIRTIO_BLK_T_GET_ID 8
/* Barrier before this op. */
#define VIRTIO_BLK_T_BARRIER 0x80000000