size_t virtio_max_dma_size(const struct virtio_device *vdev);

diff --git a/include/linux/virtio_admin.h b/include/linux/virtio_admin.h
new file mode 100644
index 000000000000..bbf543d20be4
--- /dev/null
+++ b/include/linux/virtio_admin.h

@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: GPL-2.0-only
+ *
+ * Header file for virtio admin operations
+ */
+#include <uapi/linux/virtio_pci.h>
+
+#ifndef _LINUX_VIRTIO_ADMIN_H
+#define _LINUX_VIRTIO_ADMIN_H
+
+struct virtio_device;
+
+/**
+ * VIRTIO_CAP_IN_LIST - Check if a capability is supported in the capability list
+ * @cap_list: Pointer to capability list structure containing supported_caps array
+ * @cap: Capability ID to check
+ *
+ * The cap_list contains a supported_caps array of little-endian 64-bit integers
+ * where each bit represents a capability. Bit 0 of the first element represents
+ * capability ID 0, bit 1 represents capability ID 1, and so on.
+ *
+ * Return: 1 if capability is supported, 0 otherwise
+ */
+#define VIRTIO_CAP_IN_LIST(cap_list, cap) \
+       (!!(1 & (le64_to_cpu(cap_list->supported_caps[cap / 64]) >> cap % 64)))
+
+/**
+ * struct virtio_admin_ops - Operations for virtio admin functionality
+ *
+ * This structure contains function pointers for performing administrative
+ * operations on virtio devices. All data and caps pointers must be allocated
+ * on the heap by the caller.
+ */
+struct virtio_admin_ops {
+       /**
+        * @cap_id_list_query: Query the list of supported capability IDs
+        * @vdev: The virtio device to query
+        * @data: Pointer to result structure (must be heap allocated)
+        * Return: 0 on success, negative error code on failure
+        */
+       int (*cap_id_list_query)(struct virtio_device *vdev,
+                                struct virtio_admin_cmd_query_cap_id_result *data);
+       /**
+        * @cap_get: Get capability data for a specific capability ID
+        * @vdev: The virtio device
+        * @id: Capability ID to retrieve
+        * @caps: Pointer to capability data structure (must be heap allocated)
+        * @cap_size: Size of the capability data structure
+        * Return: 0 on success, negative error code on failure
+        */
+       int (*cap_get)(struct virtio_device *vdev,
+                      u16 id,
+                      void *caps,
+                      size_t cap_size);
+       /**
+        * @cap_set: Set capability data for a specific capability ID
+        * @vdev: The virtio device
+        * @id: Capability ID to set
+        * @caps: Pointer to capability data structure (must be heap allocated)
+        * @cap_size: Size of the capability data structure
+        * Return: 0 on success, negative error code on failure
+        */
+       int (*cap_set)(struct virtio_device *vdev,
+                      u16 id,
+                      const void *caps,
+                      size_t cap_size);
+};