1 files changed, 69 insertions, 0 deletions
diff --git a/ebpf/ebpf.c b/ebpf/ebpf.c
new file mode 100644
index 0000000000..2d73beb479
--- /dev/null
+++ b/ebpf/ebpf.c
@@ -0,0 +1,69 @@
+/*
+ * QEMU eBPF binary declaration routine.
+ *
+ * Developed by Daynix Computing LTD (http://www.daynix.com)
+ *
+ * Authors:
+ *  Andrew Melnychenko <andrew@daynix.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/queue.h"
+#include "qapi/error.h"
+#include "qapi/qapi-commands-ebpf.h"
+#include "ebpf/ebpf.h"
+
+typedef struct ElfBinaryDataEntry {
+    int id;
+    const void *data;
+    size_t datalen;
+
+    QSLIST_ENTRY(ElfBinaryDataEntry) node;
+} ElfBinaryDataEntry;
+
+static QSLIST_HEAD(, ElfBinaryDataEntry) ebpf_elf_obj_list =
+                                            QSLIST_HEAD_INITIALIZER();
+
+void ebpf_register_binary_data(int id, const void *data, size_t datalen)
+{
+    struct ElfBinaryDataEntry *dataentry = NULL;
+
+    dataentry = g_new0(struct ElfBinaryDataEntry, 1);
+    dataentry->data = data;
+    dataentry->datalen = datalen;
+    dataentry->id = id;
+
+    QSLIST_INSERT_HEAD(&ebpf_elf_obj_list, dataentry, node);
+}
+
+const void *ebpf_find_binary_by_id(int id, size_t *sz, Error **errp)
+{
+    struct ElfBinaryDataEntry *it = NULL;
+    QSLIST_FOREACH(it, &ebpf_elf_obj_list, node) {
+        if (id == it->id) {
+            *sz = it->datalen;
+            return it->data;
+        }
+    }
+
+    error_setg(errp, "can't find eBPF object with id: %d", id);
+
+    return NULL;
+}
+
+EbpfObject *qmp_request_ebpf(EbpfProgramID id, Error **errp)
+{
+    EbpfObject *ret = NULL;
+    size_t size = 0;
+    const void *data = ebpf_find_binary_by_id(id, &size, errp);
+    if (!data) {
+        return NULL;
+    }
+
+    ret = g_new0(EbpfObject, 1);
+    ret->object = g_base64_encode(data, size);
+
+    return ret;
+}