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[RFC PATCH v8 05/21] vhost: Add vhost_iova_tree_find
From: |
Eugenio Pérez |
Subject: |
[RFC PATCH v8 05/21] vhost: Add vhost_iova_tree_find |
Date: |
Thu, 19 May 2022 21:12:50 +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 6a4f24e0f9..1ffcdc5b57 100644
--- a/hw/virtio/vhost-iova-tree.h
+++ b/hw/virtio/vhost-iova-tree.h
@@ -19,6 +19,8 @@ VhostIOVATree *vhost_iova_tree_new(uint64_t iova_first,
uint64_t iova_last);
void vhost_iova_tree_delete(VhostIOVATree *iova_tree);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(VhostIOVATree, vhost_iova_tree_delete);
+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 67bf6d57ab..1a59894385 100644
--- a/hw/virtio/vhost-iova-tree.c
+++ b/hw/virtio/vhost-iova-tree.c
@@ -56,6 +56,20 @@ void vhost_iova_tree_delete(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 v8 00/21] Net Control VQ support with asid in vDPA SVQ, Eugenio Pérez, 2022/05/19
- [RFC PATCH v8 02/21] vhost: Add custom used buffer callback, Eugenio Pérez, 2022/05/19
- [RFC PATCH v8 01/21] virtio-net: Expose ctrl virtqueue logic, Eugenio Pérez, 2022/05/19
- [RFC PATCH v8 03/21] vdpa: control virtqueue support on shadow virtqueue, Eugenio Pérez, 2022/05/19
- [RFC PATCH v8 04/21] virtio: Make virtqueue_alloc_element non-static, Eugenio Pérez, 2022/05/19
- [RFC PATCH v8 05/21] vhost: Add vhost_iova_tree_find,
Eugenio Pérez <=
- [RFC PATCH v8 06/21] vdpa: Add map/unmap operation callback to SVQ, Eugenio Pérez, 2022/05/19
- [RFC PATCH v8 07/21] vhost: move descriptor translation to vhost_svq_vring_write_descs, Eugenio Pérez, 2022/05/19
- [RFC PATCH v8 08/21] vhost: Add SVQElement, Eugenio Pérez, 2022/05/19
- [RFC PATCH v8 09/21] vhost: Add svq copy desc mode, Eugenio Pérez, 2022/05/19
- [RFC PATCH v8 11/21] vhost: Update kernel headers, Eugenio Pérez, 2022/05/19
- [RFC PATCH v8 10/21] vhost: Add vhost_svq_inject, Eugenio Pérez, 2022/05/19
- [RFC PATCH v8 12/21] vdpa: delay set_vring_ready after DRIVER_OK, Eugenio Pérez, 2022/05/19
- [RFC PATCH v8 13/21] vhost: Add ShadowVirtQueueStart operation, Eugenio Pérez, 2022/05/19
- [RFC PATCH v8 14/21] vhost: Make possible to check for device exclusive vq group, Eugenio Pérez, 2022/05/19
- [RFC PATCH v8 16/21] vdpa: Add vhost_vdpa_start_control_svq, Eugenio Pérez, 2022/05/19