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vhost-user: introduce shared vhost-user state

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When multi queue is enabled e.g. for a virtio-net device,
each queue pair will have a vhost_dev, and the only thing
shared between vhost devs currently is the chardev. This
patch introduces a vhost-user state structure which will
be shared by all vhost devs of the same virtio device.

Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Tiwei Bie 2018-05-24 18:33:33 +08:00 • committed by Michael S. Tsirkin
parent 5f57fbeaaf
commit 4d0cf552d3
10 changed files with 152 additions and 21 deletions
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2
include/hw/virtio/vhost-user-blk.h
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@ -21,6 +21,7 @@
#include "hw/block/block.h"
#include "chardev/char-fe.h"
#include "hw/virtio/vhost.h"
#include "hw/virtio/vhost-user.h"
#define TYPE_VHOST_USER_BLK "vhost-user-blk"
#define VHOST_USER_BLK(obj) \
@ -36,6 +37,7 @@ typedef struct VHostUserBlk {
uint32_t config_wce;
uint32_t config_ro;
struct vhost_dev dev;
VhostUserState *vhost_user;
} VHostUserBlk;
#endif