Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


Update on VNET
[palacios.git] / palacios / include / palacios / vmm_vnet.h
1 /* 
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.  
5  *
6  * The V3VEE Project is a joint project between Northwestern University
7  * and the University of New Mexico.  You can find out more at 
8  * http://www.v3vee.org
9  *
10  * Copyright (c) 2009, Lei Xia <lxia@northwestern.edu> 
11  * Copyright (c) 2009, Yuan Tang <ytang@northwestern.edu> 
12  * Copyright (c) 2009, The V3VEE Project <http://www.v3vee.org> 
13  * All rights reserved.
14  *
15  * Author: Lei Xia <lxia@northwestern.edu>
16  *                Yuan Tang <ytang@northwestern.edu>
17  *
18  * This is free software.  You are permitted to use,
19  * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
20  */
21
22 #ifndef __VNET_H__
23 #define __VNET_H__
24
25 #ifdef __V3VEE__
26
27 #include <palacios/vmm.h>
28
29
30 #define V3_VNET_POLLING_VECTOR  50
31
32 typedef enum {MAC_ANY=0, MAC_NOT, MAC_NONE, MAC_ADDR} mac_type_t; //for 'src_mac_qual' and 'dst_mac_qual'
33 typedef enum {LINK_INTERFACE=0, LINK_EDGE, LINK_ANY} link_type_t; //for 'type' and 'src_type' in struct routing
34
35
36 #define VNET_HASH_SIZE 17
37 #define ETHERNET_HEADER_LEN 14
38 #define ETHERNET_DATA_MAX   1500
39 #define ETHERNET_PACKET_LEN (ETHERNET_HEADER_LEN + ETHERNET_DATA_MAX)
40
41 //routing table entry
42 struct v3_vnet_route {
43     uint8_t src_mac[6];
44     uint8_t dst_mac[6];
45
46     uint8_t src_mac_qual;
47     uint8_t dst_mac_qual;
48
49     uint32_t dst_id; //link[dest] is the link to be used to send pkt
50     uint8_t dst_type; //EDGE|INTERFACE|ANY
51  
52     uint32_t src_id;
53     uint8_t src_type; //EDGE|INTERFACE|ANY
54 } __attribute__((packed));
55
56
57 struct v3_vnet_pkt {
58     uint32_t size; 
59     
60     uint8_t dst_type;
61     uint32_t dst_id;
62
63     /*
64      * IMPORTANT The next three fields must be grouped and packed together
65      *  They are used to generate a hash value 
66      */
67     union {
68         uint8_t hash_buf[VNET_HASH_SIZE];
69         struct {
70             uint8_t src_type;
71             uint32_t src_id;
72             uint8_t header[ETHERNET_HEADER_LEN];
73             uint8_t *data;
74         } __attribute__((packed));
75     } __attribute__((packed));
76 } __attribute__((packed));
77
78
79 #ifdef CONFIG_VNET_PROFILE
80 struct v3_vnet_profile{
81     uint64_t  time_copy_from_guest;
82     uint64_t  time_route_lookup;
83     uint64_t  time_mallocfree;
84     uint64_t  time_copy_to_guest;
85     uint64_t  total_handle_time;
86     uint64_t  memcpy_time;
87
88     uint64_t  total_exit_time;
89     bool print;
90
91     uint64_t virtio_handle_start;
92 };
93 #endif
94
95 struct v3_vnet_bridge_input_args{
96     struct v3_vm_info * vm;
97     struct v3_vnet_pkt *vnet_pkts; 
98     uint16_t pkt_num;
99     void * private_data;
100 };
101
102 int v3_vnet_send_pkt(struct v3_vnet_pkt * pkt, void *private_data);
103
104 void v3_vnet_send_pkt_xcall(void * data);
105
106 int v3_vnet_add_route(struct v3_vnet_route route);
107
108 int V3_init_vnet();
109
110 int v3_vnet_add_bridge(struct v3_vm_info * vm,
111                     int (*input)(struct v3_vm_info * vm, struct v3_vnet_pkt pkt[], uint16_t pkt_num, void * private_data),
112                     void (*xcall_input)(void *data),
113                     uint16_t max_delayed_pkts,
114                     long max_latency,
115                     void * priv_data);
116
117 int v3_vnet_add_dev(struct v3_vm_info *info, uint8_t mac[6], 
118                     int (*dev_input)(struct v3_vm_info * vm, struct v3_vnet_pkt * pkt, void * private_data), 
119                     void * priv_data);
120
121 void v3_vnet_heartbeat(struct guest_info *core);
122
123
124 int v3_vnet_disable_bridge();
125 int v3_vnet_enable_bridge();
126
127 void v3_vnet_bridge_polling();
128
129 int v3_vnet_bridge_rx(uchar_t *buf, uint16_t size, uint16_t src_link);
130
131
132 #endif
133
134 #endif
135
136