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virtio-blk: add host_features field in VirtIOBlock

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Since configurable features for virtio-blk are growing, this patch
adds host_features field in the struct VirtIOBlock. (as in virtio-net)
In this way, we can avoid to add new fields for new properties and
we can directly set VIRTIO_BLK_F* flags in the host_features.

We update "config-wce" and "scsi" property definition to use the new
host_features field without change the behaviour.

Suggested-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Message-id: 20190221103314.58500-3-sgarzare@redhat.com
Message-Id: <20190221103314.58500-3-sgarzare@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefano Garzarella 2019-02-21 11:33:06 +01:00 • committed by Stefan Hajnoczi
parent 00f639fb8f
commit bbe8bd4d85
2 changed files with 10 additions and 9 deletions
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3
include/hw/virtio/virtio-blk.h
View file

@ -35,8 +35,6 @@ struct VirtIOBlkConf
BlockConf conf;
IOThread *iothread;
char *serial;
uint32_t scsi;
uint32_t config_wce;
uint32_t request_merging;
uint16_t num_queues;
uint16_t queue_size;
@ -57,6 +55,7 @@ typedef struct VirtIOBlock {
bool dataplane_disabled;
bool dataplane_started;
struct VirtIOBlockDataPlane *dataplane;
uint64_t host_features;
} VirtIOBlock;
typedef struct VirtIOBlockReq {