X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_dev.h;h=3b67c61d65b6c8eee28ef8fa5fd7a81e5f60df26;hb=7841dc573457c334a0f3b6e9186d26b1776c400f;hp=29f8a246ba7a50ddcf3d7bee889c830e9574fcad;hpb=1ca13097c7c85318c400c3811ccbb54ac6c619f1;p=palacios-OLD.git

diff --git a/palacios/include/palacios/vmm_dev.h b/palacios/include/palacios/vmm_dev.h
index 29f8a24..3b67c61 100644
--- a/palacios/include/palacios/vmm_dev.h
+++ b/palacios/include/palacios/vmm_dev.h
@@ -1,16 +1,97 @@
 #ifndef __VMM_DEV_H
 #define __VMM_DEV_H
 
+#include <palacios/vmm_types.h>
+
+struct vm_guest;
+struct vm_device_io_hook;
+struct vm_device_mem_hook;
+
+
+//
+// This structure defines an abstract io and/or memory-mapped device
+// It currently does not define the interaction with actual hardware
+//
+
 
 
 struct vm_device {
-  int (*init_device
+  int (*init_device)(struct vm_device *dev, struct vm_guest *vm);
+  int (*deinit_device)(struct vm_device *dev);
 
 
-};
+  int (*reset_device)(struct vm_device *dev);
+
+  int (*start_device)(struct vm_device *dev);
+  int (*stop_device)(struct vm_device *dev);
+
+
+  //
+  // To understand how to register these callbacks
+  // see vmm_dev_mgr.h
+  //
+  // Note that callbacks like these are only called
+  // when the port/memory is hooked as EMULATED
+  //
+
+
+  //
+  // If your device is I/O mapped, this function will
+  // be called on an I/O read
+  //
+
+  int (*read_io_port)(ushort_t port_read,
+		      void   *address, 
+		      uint_t length,
+		      struct vm_device *dev);
+
+  //
+  // If your device is I/O mapped, this function will
+  // be called on an I/O write
+  //
 
+  int (*write_io_port)(ushort_t port_written,
+		       void *address, 
+		       uint_t length,
+		       struct vm_device *dev);
 
 
+  //
+  // If your device is memory mapped, this function will
+  // be called on an memory read
+  //
+
+  int (*read_mapped_memory)(void   *address_read,
+			    void   *address, 
+			    uint_t length,
+			    struct vm_device *dev);
+
+  //
+  // If your device is memory mapped, this function will
+  // be called on an memory read
+  //
+
+  int (*write_mapped_memory)(void   *address_written,
+			     void   *address, 
+			     uint_t length,
+			     struct vm_device *dev);
+  
+
+  //int (*save_device)(struct vm_device *dev, struct *iostream);
+  //int (*restore_device)(struct vm_device *dev, struct *iostream);
+
+  struct guest_info  *vm;
+
+  void *private_data;
+
+  // Do not touch anything below this!
+
+  struct vm_device   *next, *prev;
+
+  struct vm_device_io_hook  *io_hooks;
+  struct vm_device_mem_hook *mem_hooks;
+
+};
 
 
 #endif