Add qemu 2.4.0

[kvmfornfv.git] / qemu / include / hw / cris / etraxfs_dma.h

diff --git a/qemu/include/hw/cris/etraxfs_dma.h b/qemu/include/hw/cris/etraxfs_dma.h
new file mode 100644 (file)
index 0000000..38104a6
--- /dev/null
+++ b/qemu/include/hw/cris/etraxfs_dma.h
@@ -0,0 +1,34 @@
+#ifndef HW_ETRAXFS_DMA_H
+#define HW_ETRAXFS_DMA_H 1
+
+struct dma_context_metadata {
+       /* data descriptor md */
+       uint16_t metadata;
+};
+
+struct etraxfs_dma_client
+{
+       /* DMA controller. */
+       int channel;
+       void *ctrl;
+
+       /* client.  */
+       struct {
+               int (*push)(void *opaque, unsigned char *buf,
+                           int len, bool eop);
+               void (*pull)(void *opaque);
+               void (*metadata_push)(void *opaque,
+                                     const struct dma_context_metadata *md);
+               void *opaque;
+       } client;
+};
+
+void *etraxfs_dmac_init(hwaddr base, int nr_channels);
+void etraxfs_dmac_connect(void *opaque, int channel, qemu_irq *line,
+                         int input);
+void etraxfs_dmac_connect_client(void *opaque, int c, 
+                                struct etraxfs_dma_client *cl);
+int etraxfs_dmac_input(struct etraxfs_dma_client *client, 
+                      void *buf, int len, int eop);
+
+#endif