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vhost: Return number of free memslots

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Let's return the number of free slots instead of only checking if there
is a free slot. Required to support memory devices that consume multiple
memslots.

This is a preparation for memory devices that consume multiple memslots.

Message-ID: <20230926185738.277351-6-david@redhat.com>
Reviewed-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
This commit is contained in:
David Hildenbrand 2023-09-26 20:57:25 +02:00
parent 5b23186a95
commit 8c49951c4a
4 changed files with 6 additions and 6 deletions
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2
include/hw/virtio/vhost.h
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@ -315,7 +315,7 @@ uint64_t vhost_get_features(struct vhost_dev *hdev, const int *feature_bits,
*/
void vhost_ack_features(struct vhost_dev *hdev, const int *feature_bits,
uint64_t features);
bool vhost_has_free_slot(void);
unsigned int vhost_get_free_memslots(void);
int vhost_net_set_backend(struct vhost_dev *hdev,
struct vhost_vring_file *file);