2 * This file is part of the Palacios Virtual Machine Monitor developed
3 * by the V3VEE Project with funding from the United States National
4 * Science Foundation and the Department of Energy.
6 * The V3VEE Project is a joint project between Northwestern University
7 * and the University of New Mexico. You can find out more at
10 * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
11 * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
12 * All rights reserved.
14 * Author: Jack Lange <jarusl@cs.northwestern.edu>
16 * This is free software. You are permitted to use,
17 * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
25 #include <palacios/vmm_types.h>
26 #include <palacios/vmm_list.h>
27 #include <palacios/vmm_string.h>
28 #include <palacios/vmm_hashtable.h>
29 #include <palacios/vmm_config.h>
42 struct v3_device_ops * ops;
44 struct v3_vm_info * vm;
46 struct list_head dev_link;
50 struct list_head io_hooks;
56 struct list_head dev_list;
57 struct hashtable * dev_table;
59 struct list_head blk_list;
60 struct hashtable * blk_table;
62 struct list_head net_list;
63 struct hashtable * net_table;
65 struct list_head console_list;
66 struct hashtable * console_table;
70 int v3_create_device(struct v3_vm_info * vm, const char * dev_name, v3_cfg_tree_t * cfg);
73 void v3_free_device(struct vm_device * dev);
76 struct vm_device * v3_find_dev(struct v3_vm_info * info, const char * dev_name);
79 // Registration of devices
82 // The following device manager functions should only be called
83 // when the guest is stopped
88 int v3_init_dev_mgr(struct v3_vm_info * vm);
89 int v3_dev_mgr_deinit(struct v3_vm_info * vm);
96 int v3_init_devices();
99 struct v3_device_ops {
100 int (*free)(struct vm_device *dev);
103 int (*reset)(struct vm_device *dev);
105 int (*start)(struct vm_device *dev);
106 int (*stop)(struct vm_device *dev);
109 //int (*save)(struct vm_device *dev, struct *iostream);
110 //int (*restore)(struct vm_device *dev, struct *iostream);
118 int v3_dev_hook_io(struct vm_device *dev,
120 int (*read)(struct guest_info * core, ushort_t port, void * dst, uint_t length, struct vm_device * dev),
121 int (*write)(struct guest_info * core, ushort_t port, void * src, uint_t length, struct vm_device * dev));
123 int v3_dev_unhook_io(struct vm_device *dev,
127 int v3_attach_device(struct v3_vm_info * vm, struct vm_device * dev);
128 int v3_detach_device(struct vm_device * dev);
130 struct vm_device * v3_allocate_device(char * name, struct v3_device_ops * ops, void * private_data);
133 struct v3_device_info {
135 int (*init)(struct v3_vm_info * info, v3_cfg_tree_t * cfg);
139 #define device_register(name, init_dev_fn) \
140 static char _v3_device_name[] = name; \
141 static struct v3_device_info _v3_device \
142 __attribute__((__used__)) \
143 __attribute__((unused, __section__ ("_v3_devices"), \
144 aligned(sizeof(addr_t)))) \
145 = {_v3_device_name , init_dev_fn};
150 void v3_print_dev_mgr(struct v3_vm_info * vm);
153 struct v3_dev_blk_ops {
154 uint64_t (*get_capacity)(void * private_data);
155 // Reads always operate on 2048 byte blocks
156 int (*read)(uint8_t * buf, uint64_t lba, uint64_t num_bytes, void * private_data);
157 int (*write)(uint8_t * buf, uint64_t lba, uint64_t num_bytes, void * private_data);
160 struct v3_dev_net_ops {
161 /* below functions are called by frontend device
162 * These will be filled in by the backend when a backend is initiated. --Lei*/
163 int (*send)(uint8_t * buf, uint32_t count, void * private_data, struct vm_device *dest_dev);
164 void (*start_rx)(void *back_data);
165 void (*stop_rx)(void *back_data);
167 /* below functions are called by Backend device
168 * These will be filled in by the frontend when a backend is connected. -- Lei*/
169 int (*recv)(uint8_t * buf, uint32_t count, void * frnt_data);
170 void (*poll)(struct v3_vm_info *vm, void* frnt_data);
171 void (*start_tx)(void * frnt_data);
172 void (*stop_tx)(void * frnt_data);
173 void * frontend_data;
176 struct v3_dev_console_ops {
180 int v3_dev_add_blk_frontend(struct v3_vm_info * vm,
182 int (*connect)(struct v3_vm_info * vm,
183 void * frontend_data,
184 struct v3_dev_blk_ops * ops,
186 void * private_data),
189 int v3_dev_connect_blk(struct v3_vm_info * vm,
190 char * frontend_name,
191 struct v3_dev_blk_ops * ops,
193 void * private_data);
195 int v3_dev_add_net_frontend(struct v3_vm_info * vm,
197 int (*connect)(struct v3_vm_info * vm,
198 void * frontend_data,
199 struct v3_dev_net_ops * ops,
201 void * private_data),
204 int v3_dev_connect_net(struct v3_vm_info * vm,
205 char * frontend_name,
206 struct v3_dev_net_ops * ops,
208 void * private_data);
211 #endif // ! __V3VEE__