diff options
author | Michael S. Tsirkin <mst@redhat.com> | 2016-02-21 17:01:47 +0200 |
---|---|---|
committer | Timothy Pearson <tpearson@raptorengineering.com> | 2019-11-29 19:45:30 -0600 |
commit | b562e2359d06a9e26007ef2647b8fcb0d8fa67cd (patch) | |
tree | 8e541b5140a58fbf41decf6472a1763a13cf12b2 /include | |
parent | e5e77511cd4f900a48c077753c7b87db31839aed (diff) | |
download | hqemu-b562e2359d06a9e26007ef2647b8fcb0d8fa67cd.zip hqemu-b562e2359d06a9e26007ef2647b8fcb0d8fa67cd.tar.gz |
vhost-user: don't merge regions with different fds
vhost currently merges regions with contiguious virtual and physical
addresses. This breaks for vhost-user since that also needs fds to
match.
Add a vhost_ops entry to compare the fds for vhost-user only.
Cc: qemu-stable@nongnu.org
Cc: Victor Kaplansky <victork@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include')
-rw-r--r-- | include/hw/virtio/vhost-backend.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h index c59cc81..a6e5c97 100644 --- a/include/hw/virtio/vhost-backend.h +++ b/include/hw/virtio/vhost-backend.h @@ -70,6 +70,9 @@ typedef int (*vhost_set_vring_enable_op)(struct vhost_dev *dev, typedef bool (*vhost_requires_shm_log_op)(struct vhost_dev *dev); typedef int (*vhost_migration_done_op)(struct vhost_dev *dev, char *mac_addr); +typedef bool (*vhost_backend_can_merge_op)(struct vhost_dev *dev, + uint64_t start1, uint64_t size1, + uint64_t start2, uint64_t size2); typedef struct VhostOps { VhostBackendType backend_type; @@ -97,6 +100,7 @@ typedef struct VhostOps { vhost_set_vring_enable_op vhost_set_vring_enable; vhost_requires_shm_log_op vhost_requires_shm_log; vhost_migration_done_op vhost_migration_done; + vhost_backend_can_merge_op vhost_backend_can_merge; } VhostOps; extern const VhostOps user_ops; |