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[RFC PATCH v7 17/25] vhost: Add vhost_iova_tree_find
From: |
Eugenio Pérez |
Subject: |
[RFC PATCH v7 17/25] vhost: Add vhost_iova_tree_find |
Date: |
Wed, 13 Apr 2022 18:31:58 +0200 |
Just a simple wrapper so we can find DMAMap entries based on iova
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
---
hw/virtio/vhost-iova-tree.h | 2 ++
hw/virtio/vhost-iova-tree.c | 14 ++++++++++++++
2 files changed, 16 insertions(+)
diff --git a/hw/virtio/vhost-iova-tree.h b/hw/virtio/vhost-iova-tree.h
index 2fc825d7b1..bacd17d99c 100644
--- a/hw/virtio/vhost-iova-tree.h
+++ b/hw/virtio/vhost-iova-tree.h
@@ -20,6 +20,8 @@ VhostIOVATree *vhost_iova_tree_acquire(VhostIOVATree
*iova_tree);
void vhost_iova_tree_release(VhostIOVATree *iova_tree);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(VhostIOVATree, vhost_iova_tree_release);
+const DMAMap *vhost_iova_tree_find(const VhostIOVATree *iova_tree,
+ const DMAMap *map);
const DMAMap *vhost_iova_tree_find_iova(const VhostIOVATree *iova_tree,
const DMAMap *map);
int vhost_iova_tree_map_alloc(VhostIOVATree *iova_tree, DMAMap *map);
diff --git a/hw/virtio/vhost-iova-tree.c b/hw/virtio/vhost-iova-tree.c
index 31445cbdfc..c3d89a85ad 100644
--- a/hw/virtio/vhost-iova-tree.c
+++ b/hw/virtio/vhost-iova-tree.c
@@ -73,6 +73,20 @@ void vhost_iova_tree_release(VhostIOVATree *iova_tree)
g_free(iova_tree);
}
+/**
+ * Find a mapping in the tree that matches map
+ *
+ * @iova_tree The iova tree
+ * @map The map
+ *
+ * Return a matching map that contains argument map or NULL
+ */
+const DMAMap *vhost_iova_tree_find(const VhostIOVATree *iova_tree,
+ const DMAMap *map)
+{
+ return iova_tree_find(iova_tree->iova_taddr_map, map);
+}
+
/**
* Find the IOVA address stored from a memory address
*
--
2.27.0
- [RFC PATCH v7 11/25] virtio-net: Expose ctrl virtqueue logic, (continued)
- [RFC PATCH v7 11/25] virtio-net: Expose ctrl virtqueue logic, Eugenio Pérez, 2022/04/13
- [RFC PATCH v7 12/25] vdpa: Extract get features part from vhost_vdpa_get_max_queue_pairs, Eugenio Pérez, 2022/04/13
- [RFC PATCH v7 13/25] virtio: Make virtqueue_alloc_element non-static, Eugenio Pérez, 2022/04/13
- [RFC PATCH v7 03/25] vdpa: Fix bad index calculus at vhost_vdpa_get_vring_base, Eugenio Pérez, 2022/04/13
- [RFC PATCH v7 15/25] vhost: Add custom used buffer callback, Eugenio Pérez, 2022/04/13
- [RFC PATCH v7 14/25] vhost: Add SVQElement, Eugenio Pérez, 2022/04/13
- [RFC PATCH v7 16/25] vdpa: control virtqueue support on shadow virtqueue, Eugenio Pérez, 2022/04/13
- [RFC PATCH v7 17/25] vhost: Add vhost_iova_tree_find,
Eugenio Pérez <=
- [RFC PATCH v7 18/25] vdpa: Add map/unmap operation callback to SVQ, Eugenio Pérez, 2022/04/13
- [RFC PATCH v7 20/25] vdpa: add NetClientState->start() callback, Eugenio Pérez, 2022/04/13
- [RFC PATCH v7 19/25] vhost: Add vhost_svq_inject, Eugenio Pérez, 2022/04/13
- [RFC PATCH v7 22/25] vhost: Update kernel headers, Eugenio Pérez, 2022/04/13
- [RFC PATCH v7 21/25] vdpa: Add vhost_vdpa_start_control_svq, Eugenio Pérez, 2022/04/13
- [RFC PATCH v7 23/25] vhost: Make possible to check for device exclusive vq group, Eugenio Pérez, 2022/04/13