added create+migrate+flags+caps declarations
[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_VSETUP           1
52 #define VC_CAT_VHOST            2
53
54 #define VC_CAT_PROCALT          10
55 #define VC_CAT_PROCMIG          11
56 #define VC_CAT_PROCTRL          12
57
58 #define VC_CAT_SCHED            14
59 #define VC_CAT_INODE            38
60
61 #define VC_CAT_VINFO            46
62
63 #define VC_CAT_FLAGS            59
64 #define VC_CAT_RLIMIT           60
65
66 #define VC_CAT_SYSTEST          61
67 #define VC_CAT_COMPAT           63
68
69
70
71 /*  interface version */
72
73 #define VCI_VERSION             0x00010004
74
75
76
77 /*  query version */
78
79 #define VCMD_get_version        VC_CMD(VERSION, 0, 0)
80
81
82 /*  compatibiliy vserver commands */
83
84 #define VCMD_new_s_context      VC_CMD(COMPAT, 1, 1)
85 #define VCMD_set_ipv4root       VC_CMD(COMPAT, 2, 3)
86
87 #define VCMD_enter_namespace    VC_CMD(PROCALT, 1, 0)
88
89 /*  compatibiliy vserver arguments */
90
91 struct  vcmd_new_s_context_v1 {
92         uint32_t remove_cap;
93         uint32_t flags;
94 };
95
96 struct  vcmd_set_ipv4root_v3 {
97         /* number of pairs in id */
98         uint32_t broadcast;
99         struct {
100                 uint32_t ip;
101                 uint32_t mask;
102         } ip_mask_pair[NB_IPV4ROOT];
103 };
104
105 /*  context signalling */
106
107 #define VCMD_ctx_kill           VC_CMD(PROCTRL, 1, 0)
108
109 struct  vcmd_ctx_kill_v0 {
110         int32_t pid;
111         int32_t sig;
112 };
113
114 /*  rlimit vserver commands */
115
116 #define VCMD_get_rlimit         VC_CMD(RLIMIT, 1, 0)
117 #define VCMD_set_rlimit         VC_CMD(RLIMIT, 2, 0)
118 #define VCMD_get_rlimit_mask    VC_CMD(RLIMIT, 3, 0)
119
120 struct  vcmd_ctx_rlimit_v0 {
121         uint32_t id;
122         uint64_t minimum;
123         uint64_t softlimit;
124         uint64_t maximum;
125 };
126
127 struct  vcmd_ctx_rlimit_mask_v0 {
128         uint32_t minimum;
129         uint32_t softlimit;
130         uint32_t maximum;
131 };
132
133 #define CRLIM_INFINITY          (~0ULL)
134 #define CRLIM_KEEP              (~1ULL)
135
136
137
138 #define VC_CAT_SCHED            14
139
140 /* scheduler vserver commands */
141
142 #define VCMD_get_sched          VC_CMD(SCHED, 1, 1)
143 #define VCMD_set_sched          VC_CMD(SCHED, 2, 1)
144
145
146 /* Structure for context's TBF scheduling priorities */
147
148 struct  vcmd_tbf_sched_v1 {
149         uint32_t fill_level;
150         uint32_t fill_rate;
151         uint32_t period;
152         uint32_t bucket_size;
153 };
154
155 #define TBFS_PERIOD_AUTO        (0ULL)
156 #define TBFS_KEEP_VALUE         (~0ULL)
157
158
159 /*  inode vserver commands */
160
161 #define VCMD_get_iattr_v0       VC_CMD(INODE, 1, 0)
162 #define VCMD_set_iattr_v0       VC_CMD(INODE, 2, 0)
163 #define VCMD_get_iattr          VC_CMD(INODE, 1, 1)
164 #define VCMD_set_iattr          VC_CMD(INODE, 2, 1)
165
166 struct  vcmd_ctx_iattr_v1 {
167         const char *file_name;
168         uint32_t xid;
169         uint32_t flags;
170         uint32_t mask;
171 };
172
173 #define IATTR_XID       0x01000000
174
175 #define IATTR_ADMIN     0x00000001
176 #define IATTR_WATCH     0x00000002
177 #define IATTR_HIDE      0x00000004
178
179 #define IATTR_BARRIER   0x00010000
180 #define IATTR_IUNLINK   0x00020000
181
182
183
184 /* vinfo commands */
185
186 #define VCMD_task_xid           VC_CMD(VINFO, 1, 0)
187 #define VCMD_task_nid           VC_CMD(VINFO, 2, 0)
188
189 #define VCMD_vx_info            VC_CMD(VINFO, 5, 0)
190 #define VCMD_nx_info            VC_CMD(VINFO, 6, 0)
191
192 struct  vcmd_vx_info_v0 {
193     uint32_t xid;
194     uint32_t initpid;
195     /* more to come */
196 };
197
198
199 #define VCMD_vx_set_vhi_name            VC_CMD(VHOST, 1, 0)
200 #define VCMD_vx_get_vhi_name            VC_CMD(VHOST, 2, 0)
201
202 struct  vcmd_vx_vhi_name_v0 {
203        uint32_t field;
204        char name[65];
205 };
206
207 enum vx_vhi_name_field {
208        VHIN_CONTEXT=0,
209        VHIN_SYSNAME,
210        VHIN_NODENAME,
211        VHIN_RELEASE,
212        VHIN_VERSION,
213        VHIN_MACHINE,
214        VHIN_DOMAINNAME,
215 };
216
217 #define VCMD_create_context     VC_CMD(VSETUP, 1, 0)
218 #define VCMD_migrate_context    VC_CMD(PROCMIG, 1, 0)
219
220 #define VCMD_get_flags          VC_CMD(FLAGS, 1, 0)
221 #define VCMD_set_flags          VC_CMD(FLAGS, 2, 0)
222 struct  vcmd_ctx_flags_v0 {
223         uint64_t flagword;
224         uint64_t mask;
225 };
226
227
228 #define VCMD_get_ccaps          VC_CMD(FLAGS, 3, 0)
229 #define VCMD_set_ccaps          VC_CMD(FLAGS, 4, 0)
230 struct  vcmd_ctx_caps_v0 {
231         uint64_t scaps;
232         uint64_t ccaps;
233         uint64_t cmask;
234 };
235
236 #endif /* _LINUX_VIRTUAL_H */