From ffe42cc14c770549abc7995a90cf53bca3659b7f Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Sun, 21 Feb 2016 17:01:47 +0200 Subject: 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 Signed-off-by: Michael S. Tsirkin --- include/hw/virtio/vhost-backend.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/hw/virtio/vhost-backend.h') diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h index c59cc81915..a6e5c97e3a 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; -- cgit 1.4.1