added fmt.c
[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_PROCALT          10
54 #define VC_CAT_PROCTRL          12
55
56 #define VC_CAT_SCHED            14
57 #define VC_CAT_INODE            38
58
59 #define VC_CAT_VINFO            46
60
61 #define VC_CAT_RLIMIT           60
62
63 #define VC_CAT_SYSTEST          61
64 #define VC_CAT_COMPAT           63
65         
66 /*  interface version */
67
68 #define VCI_VERSION             0x00010004
69
70
71
72 /*  query version */
73
74 #define VCMD_get_version        VC_CMD(VERSION, 0, 0)
75
76
77 /*  compatibiliy vserver commands */
78
79 #define VCMD_new_s_context      VC_CMD(COMPAT, 1, 1)
80 #define VCMD_set_ipv4root       VC_CMD(COMPAT, 2, 3)
81
82 #define VCMD_enter_namespace    VC_CMD(PROCALT, 1, 0)
83
84 /*  compatibiliy vserver arguments */
85
86 struct  vcmd_new_s_context_v1 {
87         uint32_t remove_cap;
88         uint32_t flags;
89 };
90
91 struct  vcmd_set_ipv4root_v3 {
92         /* number of pairs in id */
93         uint32_t broadcast;
94         struct {
95                 uint32_t ip;
96                 uint32_t mask;
97         } ip_mask_pair[NB_IPV4ROOT];
98 };
99
100 /*  context signalling */
101
102 #define VCMD_ctx_kill           VC_CMD(PROCTRL, 1, 0)
103
104 struct  vcmd_ctx_kill_v0 {
105         int32_t pid;
106         int32_t sig;
107 };
108
109 /*  rlimit vserver commands */
110
111 #define VCMD_get_rlimit         VC_CMD(RLIMIT, 1, 0)
112 #define VCMD_set_rlimit         VC_CMD(RLIMIT, 2, 0)
113 #define VCMD_get_rlimit_mask    VC_CMD(RLIMIT, 3, 0)
114
115 struct  vcmd_ctx_rlimit_v0 {
116         uint32_t id;
117         uint64_t minimum;
118         uint64_t softlimit;
119         uint64_t maximum;
120 };
121
122 struct  vcmd_ctx_rlimit_mask_v0 {
123         uint32_t minimum;
124         uint32_t softlimit;
125         uint32_t maximum;
126 };
127
128 #define CRLIM_INFINITY          (~0ULL)
129 #define CRLIM_KEEP              (~1ULL)
130
131
132
133 #define VC_CAT_SCHED            14
134
135 /* scheduler vserver commands */
136
137 #define VCMD_get_sched          VC_CMD(SCHED, 1, 1)
138 #define VCMD_set_sched          VC_CMD(SCHED, 2, 1)
139
140
141 /* Structure for context's TBF scheduling priorities */
142
143 struct  vcmd_tbf_sched_v1 {
144         uint32_t fill_level;
145         uint32_t fill_rate;
146         uint32_t period;
147         uint32_t bucket_size;
148 };
149
150 #define TBFS_PERIOD_AUTO        (0ULL)
151 #define TBFS_KEEP_VALUE         (~0ULL)
152
153
154 /*  inode vserver commands */
155
156 #define VCMD_get_iattr_v0       VC_CMD(INODE, 1, 0)
157 #define VCMD_set_iattr_v0       VC_CMD(INODE, 2, 0)
158 #define VCMD_get_iattr          VC_CMD(INODE, 1, 1)
159 #define VCMD_set_iattr          VC_CMD(INODE, 2, 1)
160
161 struct  vcmd_ctx_iattr_v1 {
162         const char *file_name;
163         uint32_t xid;
164         uint32_t flags;
165         uint32_t mask;
166 };
167
168 #define IATTR_XID       0x01000000
169
170 #define IATTR_ADMIN     0x00000001
171 #define IATTR_WATCH     0x00000002
172 #define IATTR_HIDE      0x00000004
173
174 #define IATTR_BARRIER   0x00010000
175 #define IATTR_IUNLINK   0x00020000
176
177
178
179 /* vinfo commands */
180
181 #define VCMD_task_xid           VC_CMD(VINFO, 1, 0)
182 #define VCMD_task_nid           VC_CMD(VINFO, 2, 0)
183
184 #define VCMD_vx_info            VC_CMD(VINFO, 5, 0)
185 #define VCMD_nx_info            VC_CMD(VINFO, 6, 0)
186
187 struct  vcmd_vx_info_v0 {
188     uint32_t xid;
189     uint32_t initpid;
190     /* more to come */
191 };
192
193
194 #define VCMD_vx_set_vhi_name            VC_CMD(VHOST, 1, 0)
195 #define VCMD_vx_get_vhi_name            VC_CMD(VHOST, 2, 0)
196
197 struct  vcmd_vx_vhi_name_v0 {
198        uint32_t field;
199        char name[65];
200 };
201
202 enum vx_vhi_name_field {
203        VHIN_CONTEXT=0,
204        VHIN_SYSNAME,
205        VHIN_NODENAME,
206        VHIN_RELEASE,
207        VHIN_VERSION,
208        VHIN_MACHINE,
209        VHIN_DOMAINNAME,
210 };
211
212 #endif /* _LINUX_VIRTUAL_H */