-#ifndef _vmm_dev_mgr
-#define _vmm_dev_mgr
+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National
+ * Science Foundation and the Department of Energy.
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico. You can find out more at
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software. You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+#ifndef _VMM_DEV_MGR
+#define _VMM_DEV_MGR
+
+#ifdef __V3VEE__
#include <palacios/vmm_types.h>
-#include <palacios/vmm_device_types.h>
+#include <palacios/vmm_list.h>
+#include <palacios/vmm_string.h>
+#include <palacios/vmm_hashtable.h>
+#include <palacios/vmm_config.h>
+
-struct vm_device;
struct guest_info;
+struct v3_device_ops;
-struct vmm_dev_mgr {
- struct guest_info *vm;
- struct vm_device *dev_list;
- uint_t num_devices;
-};
+struct vm_device {
+ char name[32];
+
+ void * private_data;
-enum access_control {DEVICE_EMULATED, DEVICE_PASSTHROUGH} ;
-enum access_type {DEVICE_READ, DEVICE_WRITE, DEVICE_READWRITE} ;
+ struct v3_device_ops * ops;
-struct vm_device_io_hook {
- enum access_control control;
- enum access_type atype;
+ struct guest_info * vm;
- ushort_t guest_port;
+ struct list_head dev_link;
- // Do not touch anything below this
-
- struct vm_device_io_hook *next, *prev;
+
+ uint_t num_io_hooks;
+ struct list_head io_hooks;
};
-struct vm_device_mem_hook {
- enum access_control control;
- enum access_type atype;
- void *guest_physical_start;
- void *guest_physical_end;
+struct vmm_dev_mgr {
+ uint_t num_devs;
+ struct list_head dev_list;
+ struct hashtable * dev_table;
- // Do not touch anything below this
-
- struct vm_device_mem_hook *next, *prev;
+ struct list_head blk_list;
+ struct hashtable * blk_table;
+
+ struct list_head net_list;
+ struct hashtable * net_table;
+
+ struct list_head console_list;
+ struct hashtable * console_table;
};
+
+int v3_create_device(struct guest_info * info, const char * dev_name, v3_cfg_tree_t * cfg);
+void v3_free_device(struct vm_device * dev);
+
+
+struct vm_device * v3_find_dev(struct guest_info * info, const char * dev_name);
+
+
// Registration of devices
//
// when the guest is stopped
//
-int dev_mgr_init(struct vmm_dev_mgr *mgr, struct guest_info *vm);
-int dev_mgr_deinit(struct vmm_dev_mgr *mgr);
-int dev_mgr_attach_device(struct guest_info *vm,
- struct vm_device *device);
-int dev_mgr_detach_device(struct guest_info *vm,
- struct vm_device *device);
+int v3_init_dev_mgr(struct guest_info * info);
+int v3_dev_mgr_deinit(struct guest_info * info);
-int dev_mgr_hook_io(struct guest_info *vm,
- struct vm_device *device,
- ushort_t portno,
- enum access_control control,
- enum access_type atype);
-int dev_mgr_unhook_io(struct guest_info *vm,
- struct vm_device *device,
- ushort_t portno);
-int dev_mgr_hook_mem(struct guest_info *vm,
- struct vm_device *device,
- void *guest_physical_address_start,
- void *guest_physical_address_end,
- enum access_control control,
- enum access_type atype);
-int dev_mgr_unhook_mem(struct guest_info *vm,
- struct vm_device *device,
- void *guest_physical_address_start,
- void *guest_physical_address_end);
+int v3_init_devices();
+
+
+struct v3_device_ops {
+ int (*free)(struct vm_device *dev);
+
+
+ int (*reset)(struct vm_device *dev);
+
+ int (*start)(struct vm_device *dev);
+ int (*stop)(struct vm_device *dev);
+
+
+ //int (*save)(struct vm_device *dev, struct *iostream);
+ //int (*restore)(struct vm_device *dev, struct *iostream);
+};
+
-//
-// Strictly a helper - the device is resposible for unhooking on disconnect
-//
-int dev_mgr_unhook_device(struct guest_info *vm,
- struct vm_device *device);
+
+int v3_dev_hook_io(struct vm_device *dev,
+ ushort_t port,
+ int (*read)(ushort_t port, void * dst, uint_t length, struct vm_device * dev),
+ int (*write)(ushort_t port, void * src, uint_t length, struct vm_device * dev));
+
+int v3_dev_unhook_io(struct vm_device *dev,
+ ushort_t port);
+
+
+int v3_attach_device(struct guest_info * vm, struct vm_device * dev);
+int v3_detach_device(struct vm_device * dev);
+
+struct vm_device * v3_allocate_device(char * name, struct v3_device_ops * ops, void * private_data);
+
+
+struct v3_device_info {
+ char * name;
+ int (*init)(struct guest_info * info, v3_cfg_tree_t * cfg);
+};
+
+
+#define device_register(name, init_dev_fn) \
+ static char _v3_device_name[] = name; \
+ static struct v3_device_info _v3_device \
+ __attribute__((__used__)) \
+ __attribute__((unused, __section__ ("_v3_devices"), \
+ aligned(sizeof(addr_t)))) \
+ = {_v3_device_name , init_dev_fn};
+
+
+
+
+void v3_print_dev_mgr(struct guest_info * info);
+
+
+struct v3_dev_blk_ops {
+ uint64_t (*get_capacity)(void * private_data);
+ // Reads always operate on 2048 byte blocks
+ int (*read)(uint8_t * buf, uint64_t lba, uint64_t num_bytes, void * private_data);
+ int (*write)(uint8_t * buf, uint64_t lba, uint64_t num_bytes, void * private_data);
+};
+
+struct v3_dev_net_ops {
+ int (*send)(uint8_t * buf, uint32_t count, void * private_data, struct vm_device *dest_dev);
+ int (*receive)(uint8_t * buf, uint32_t count, void * private_data, struct vm_device *src_dev);
+
+};
+
+struct v3_dev_console_ops {
+
+};
+
+int v3_dev_add_blk_frontend(struct guest_info * info,
+ char * name,
+ int (*connect)(struct guest_info * info,
+ void * frontend_data,
+ struct v3_dev_blk_ops * ops,
+ v3_cfg_tree_t * cfg,
+ void * private_data),
+ void * priv_data);
+int v3_dev_connect_blk(struct guest_info * info,
+ char * frontend_name,
+ struct v3_dev_blk_ops * ops,
+ v3_cfg_tree_t * cfg,
+ void * private_data);
+
+int v3_dev_add_net_frontend(struct guest_info * info,
+ char * name,
+ int (*connect)(struct guest_info * info,
+ void * frontend_data,
+ struct v3_dev_net_ops * ops,
+ v3_cfg_tree_t * cfg,
+ void * private_data),
+ void * priv_data);
+int v3_dev_connect_net(struct guest_info * info,
+ char * frontend_name,
+ struct v3_dev_net_ops * ops,
+ v3_cfg_tree_t * cfg,
+ void * private_data);
+
+
+#endif // ! __V3VEE__
+
#endif
