1 files changed, 39 insertions, 0 deletions
diff --git a/hw/xilinx_axidma.h b/hw/xilinx_axidma.h
new file mode 100644
index 0000000..37cb6f0
--- /dev/null
+++ b/hw/xilinx_axidma.h
@@ -0,0 +1,39 @@
+/* AXI DMA connection. Used until qdev provides a generic way.  */
+typedef void (*DMAPushFn)(void *opaque,
+                            unsigned char *buf, size_t len, uint32_t *app);
+
+struct XilinxDMAConnection {
+    void *dma;
+    void *client;
+
+    DMAPushFn to_dma;
+    DMAPushFn to_client;
+};
+
+static inline void xlx_dma_connect_client(struct XilinxDMAConnection *dmach,
+                                          void *c, DMAPushFn f)
+{
+    dmach->client = c;
+    dmach->to_client = f;
+}
+
+static inline void xlx_dma_connect_dma(struct XilinxDMAConnection *dmach,
+                                       void *d, DMAPushFn f)
+{
+    dmach->dma = d;
+    dmach->to_dma = f;
+}
+
+static inline
+void xlx_dma_push_to_dma(struct XilinxDMAConnection *dmach,
+                         uint8_t *buf, size_t len, uint32_t *app)
+{
+    dmach->to_dma(dmach->dma, buf, len, app);
+}
+static inline
+void xlx_dma_push_to_client(struct XilinxDMAConnection *dmach,
+                            uint8_t *buf, size_t len, uint32_t *app)
+{
+    dmach->to_client(dmach->client, buf, len, app);
+}
+