added VHOST support
[util-vserver.git] / util-vserver / lib / virtual.h
1 #ifndef _LINUX_VIRTUAL_H
2 #define _LINUX_VIRTUAL_H
3
4
5 #define NB_IPV4ROOT     16
6
7
8 #define VC_CATEGORY(c)          (((c) >> 24) & 0x3F)
9 #define VC_COMMAND(c)           (((c) >> 16) & 0xFF)
10 #define VC_VERSION(c)           ((c) & 0xFFF)
11
12 #define VC_CMD(c,i,v)           ((((VC_CAT_ ## c) & 0x3F) << 24) \
13                                 | (((i) & 0xFF) << 16) | ((v) & 0xFFF))
14
15 /*
16
17   Syscall Matrix V2.3
18
19          |VERSION|CREATE |MODIFY |MIGRATE|CONTROL|EXPERIM| |SPECIAL|SPECIAL|
20          |STATS  |DESTROY|ALTER  |CHANGE |LIMIT  |TEST   | |       |       |
21          |INFO   |SETUP  |       |MOVE   |       |       | |       |       |
22   -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
23   SYSTEM |VERSION|       |       |       |       |       | |DEVICES|       |
24   HOST   |     00|     01|     02|     03|     04|     05| |     06|     07|
25   -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
26   CPU    |       |       |       |       |       |       | |SCHED. |       |
27   PROCESS|     08|     09|     10|     11|     12|     13| |     14|     15|
28   -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
29   MEMORY |       |       |       |       |       |       | |SWAP   |       |
30          |     16|     17|     18|     19|     20|     21| |     22|     23|
31   -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
32   NETWORK|       |       |       |       |       |       | |SERIAL |       |
33          |     24|     25|     26|     27|     28|     29| |     30|     31|
34   -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
35   DISK   |       |       |       |       |       |       | |       |       |
36   VFS    |     32|     33|     34|     35|     36|     37| |     38|     39|
37   -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
38   OTHER  |       |       |       |       |       |       | |       |       |
39          |     40|     41|     42|     43|     44|     45| |     46|     47|
40   =======+=======+=======+=======+=======+=======+=======+ +=======+=======+
41   SPECIAL|       |       |       |       |       |       | |       |       |
42          |     48|     49|     50|     51|     52|     53| |     54|     55|
43   -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
44   SPECIAL|       |       |       |       |RLIMIT |SYSCALL| |       |COMPAT |
45          |     56|     57|     58|     59|     60|TEST 61| |     62|     63|
46   -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
47
48 */
49
50 #define VC_CAT_VERSION          0
51 #define VC_CAT_VHOST            2
52
53 #define VC_CAT_PROCTRL          12
54
55 #define VC_CAT_SCHED            14
56 #define VC_CAT_INODE            38
57
58 #define VC_CAT_VINFO            46
59
60 #define VC_CAT_RLIMIT           60
61
62 #define VC_CAT_SYSTEST          61
63 #define VC_CAT_COMPAT           63
64         
65 /*  interface version */
66
67 #define VCI_VERSION             0x00010004
68
69
70
71 /*  query version */
72
73 #define VCMD_get_version        VC_CMD(VERSION, 0, 0)
74
75
76 /*  compatibiliy vserver commands */
77
78 #define VCMD_new_s_context      VC_CMD(COMPAT, 1, 1)
79 #define VCMD_set_ipv4root       VC_CMD(COMPAT, 2, 3)
80
81 /*  compatibiliy vserver arguments */
82
83 struct  vcmd_new_s_context_v1 {
84         uint32_t remove_cap;
85         uint32_t flags;
86 };
87
88 struct  vcmd_set_ipv4root_v3 {
89         /* number of pairs in id */
90         uint32_t broadcast;
91         struct {
92                 uint32_t ip;
93                 uint32_t mask;
94         } ip_mask_pair[NB_IPV4ROOT];
95 };
96
97 /*  context signalling */
98
99 #define VCMD_ctx_kill           VC_CMD(PROCTRL, 1, 0)
100
101 struct  vcmd_ctx_kill_v0 {
102         int32_t pid;
103         int32_t sig;
104 };
105
106 /*  rlimit vserver commands */
107
108 #define VCMD_get_rlimit         VC_CMD(RLIMIT, 1, 0)
109 #define VCMD_set_rlimit         VC_CMD(RLIMIT, 2, 0)
110 #define VCMD_get_rlimit_mask    VC_CMD(RLIMIT, 3, 0)
111
112 struct  vcmd_ctx_rlimit_v0 {
113         uint32_t id;
114         uint64_t minimum;
115         uint64_t softlimit;
116         uint64_t maximum;
117 };
118
119 struct  vcmd_ctx_rlimit_mask_v0 {
120         uint32_t minimum;
121         uint32_t softlimit;
122         uint32_t maximum;
123 };
124
125 #define CRLIM_INFINITY          (~0ULL)
126 #define CRLIM_KEEP              (~1ULL)
127
128
129
130 #define VC_CAT_SCHED            14
131
132 /* scheduler vserver commands */
133
134 #define VCMD_get_sched          VC_CMD(SCHED, 1, 1)
135 #define VCMD_set_sched          VC_CMD(SCHED, 2, 1)
136
137
138 /* Structure for context's TBF scheduling priorities */
139
140 struct  vcmd_tbf_sched_v1 {
141         uint32_t fill_level;
142         uint32_t fill_rate;
143         uint32_t period;
144         uint32_t bucket_size;
145 };
146
147 #define TBFS_PERIOD_AUTO        (0ULL)
148 #define TBFS_KEEP_VALUE         (~0ULL)
149
150
151 /*  inode vserver commands */
152
153 #define VCMD_get_iattr          VC_CMD(INODE, 1, 0)
154 #define VCMD_set_iattr          VC_CMD(INODE, 2, 0)
155
156 struct  vcmd_ctx_iattr_v0 {
157         uint64_t ino;
158         uint32_t xid;
159         uint32_t flags;
160         uint32_t mask;
161 };
162
163 #define IATTR_XID       0x01000000
164
165 #define IATTR_ADMIN     0x00000001
166 #define IATTR_WATCH     0x00000002
167 #define IATTR_HIDE      0x00000004
168
169 #define IATTR_BARRIER   0x00010000
170 #define IATTR_IUNLINK   0x00020000
171
172
173
174 /* vinfo commands */
175
176 #define VCMD_task_xid           VC_CMD(VINFO, 1, 0)
177 #define VCMD_task_nid           VC_CMD(VINFO, 2, 0)
178
179 #define VCMD_vx_info            VC_CMD(VINFO, 5, 0)
180 #define VCMD_nx_info            VC_CMD(VINFO, 6, 0)
181
182 struct  vcmd_vx_info_v0 {
183     uint32_t xid;
184     uint32_t initpid;
185     /* more to come */
186 };
187
188
189 #define VCMD_vx_set_vhi_name            VC_CMD(VHOST, 1, 0)
190 #define VCMD_vx_get_vhi_name            VC_CMD(VHOST, 2, 0)
191
192 struct  vcmd_vx_vhi_name_v0 {
193        uint32_t field;
194        char name[65];
195 };
196
197 enum vx_vhi_name_field {
198        VHIN_CONTEXT=0,
199        VHIN_SYSNAME,
200        VHIN_NODENAME,
201        VHIN_RELEASE,
202        VHIN_VERSION,
203        VHIN_MACHINE,
204        VHIN_DOMAINNAME,
205 };
206
207
208 #endif /* _LINUX_VIRTUAL_H */