lib/virtual.h

   1 #ifndef _LINUX_VIRTUAL_H
   2 #define _LINUX_VIRTUAL_H
   3
   4 #define VC_CATEGORY(c)          (((c) >> 24) & 0x3F)
   5 #define VC_COMMAND(c)           (((c) >> 16) & 0xFF)
   6 #define VC_VERSION(c)           ((c) & 0xFFF)
   7
   8 #define VC_CMD(c,i,v)           ((((VC_CAT_ ## c) & 0x3F) << 24) \
   9                                 | (((i) & 0xFF) << 16) | ((v) & 0xFFF))
  10
  11 /*
  12
  13   Syscall Matrix V2.2
  14
  15          |VERSION|CREATE |MODIFY |MIGRATE|CONTROL|EXPERIM| |SPECIAL|SPECIAL|
  16          |STATS  |DESTROY|ALTER  |CHANGE |LIMIT  |TEST   | |       |       |
  17          |INFO   |SETUP  |       |MOVE   |       |       | |       |       |
  18   -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
  19   SYSTEM |VERSION|       |       |       |       |       | |DEVICES|       |
  20   HOST   |     00|     01|     02|     03|     04|     05| |     06|     07|
  21   -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
  22   CPU    |       |       |       |       |       |       | |SCHED. |       |
  23   PROCESS|     08|     09|     10|     11|     12|     13| |     14|     15|
  24   -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
  25   MEMORY |       |       |       |       |       |       | |SWAP   |       |
  26          |     16|     17|     18|     19|     20|     21| |     22|     23|
  27   -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
  28   NETWORK|       |       |       |       |       |       | |SERIAL |       |
  29          |     24|     25|     26|     27|     28|     29| |     30|     31|
  30   -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
  31   DISK   |       |       |       |       |       |       | |       |       |
  32   VFS    |     32|     33|     34|     35|     36|     37| |     38|     39|
  33   -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
  34   OTHER  |       |       |       |       |       |       | |       |       |
  35          |     40|     41|     42|     43|     44|     45| |     46|     47|
  36   =======+=======+=======+=======+=======+=======+=======+ +=======+=======+
  37   SPECIAL|       |       |       |       |       |       | |       |       |
  38          |     48|     49|     50|     51|     52|     53| |     54|     55|
  39   -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
  40   SPECIAL|       |       |       |       |RLIMIT |SYSCALL| |       |COMPAT |
  41          |     56|     57|     58|     59|     60|TEST 61| |     62|     63|
  42   -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
  43
  44 */
  45
  46 #define VC_CAT_VERSION          0
  47
  48 #define VC_CAT_PROCTRL          12
  49
  50 #define VC_CAT_DLIMIT           36
  51
  52 #define VC_CAT_RLIMIT           60
  53
  54 #define VC_CAT_SYSTEST          61
  55 #define VC_CAT_COMPAT           63
  56
  57 /*  interface version */
  58
  59 #define VCI_VERSION             0x00010001
  60
  61
  62
  63 /*  query version */
  64
  65 #define VCMD_get_version        VC_CMD(VERSION, 0, 0)
  66
  67
  68 /*  compatibiliy vserver commands */
  69
  70 #define VCMD_new_s_context      VC_CMD(COMPAT, 1, 1)
  71 #define VCMD_set_ipv4root       VC_CMD(COMPAT, 2, 3)
  72
  73 /*  compatibiliy vserver arguments */
  74
  75 struct  vcmd_new_s_context_v1 {
  76         uint32_t remove_cap;
  77         uint32_t flags;
  78 };
  79
  80 #define NB_IPV4ROOT 16
  81
  82 struct  vcmd_set_ipv4root_v3 {
  83         /* number of pairs in id */
  84         uint32_t broadcast;
  85         struct {
  86                 uint32_t ip;
  87                 uint32_t mask;
  88         } ip_mask_pair[NB_IPV4ROOT];
  89 };
  90
  91 /*  context signalling */
  92
  93 #define VCMD_ctx_kill           VC_CMD(PROCTRL, 1, 0)
  94
  95 struct  vcmd_ctx_kill_v0 {
  96         int32_t pid;
  97         int32_t sig;
  98 };
  99
 100 /*  rlimit vserver commands */
 101
 102 #define VCMD_get_rlimit         VC_CMD(RLIMIT, 1, 0)
 103 #define VCMD_set_rlimit         VC_CMD(RLIMIT, 2, 0)
 104 #define VCMD_get_rlimit_mask    VC_CMD(RLIMIT, 3, 0)
 105
 106 struct  vcmd_ctx_rlimit_v0 {
 107         uint32_t id;
 108         uint64_t minimum;
 109         uint64_t softlimit;
 110         uint64_t maximum;
 111 };
 112
 113 struct  vcmd_ctx_rlimit_mask_v0 {
 114         uint32_t minimum;
 115         uint32_t softlimit;
 116         uint32_t maximum;
 117 };
 118
 119 #define CRLIM_INFINITY          (~0ULL)
 120 #define CRLIM_KEEP              (~1ULL)
 121
 122
 123 #endif /* _LINUX_VIRTUAL_H */