The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/xen/interface/tmem.h

Version: -  FREEBSD  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    1 /******************************************************************************
    2  * tmem.h
    3  * 
    4  * Guest OS interface to Xen Transcendent Memory.
    5  * 
    6  * Permission is hereby granted, free of charge, to any person obtaining a copy
    7  * of this software and associated documentation files (the "Software"), to
    8  * deal in the Software without restriction, including without limitation the
    9  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
   10  * sell copies of the Software, and to permit persons to whom the Software is
   11  * furnished to do so, subject to the following conditions:
   12  *
   13  * The above copyright notice and this permission notice shall be included in
   14  * all copies or substantial portions of the Software.
   15  *
   16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
   22  * DEALINGS IN THE SOFTWARE.
   23  *
   24  * Copyright (c) 2004, K A Fraser
   25  */
   26 
   27 #ifndef __XEN_PUBLIC_TMEM_H__
   28 #define __XEN_PUBLIC_TMEM_H__
   29 
   30 #include "xen.h"
   31 
   32 /* version of ABI */
   33 #define TMEM_SPEC_VERSION          1
   34 
   35 /* Commands to HYPERVISOR_tmem_op() */
   36 #define TMEM_CONTROL               0
   37 #define TMEM_NEW_POOL              1
   38 #define TMEM_DESTROY_POOL          2
   39 #define TMEM_NEW_PAGE              3
   40 #define TMEM_PUT_PAGE              4
   41 #define TMEM_GET_PAGE              5
   42 #define TMEM_FLUSH_PAGE            6
   43 #define TMEM_FLUSH_OBJECT          7
   44 #define TMEM_READ                  8
   45 #define TMEM_WRITE                 9
   46 #define TMEM_XCHG                 10
   47 
   48 /* Privileged commands to HYPERVISOR_tmem_op() */
   49 #define TMEM_AUTH                 101 
   50 #define TMEM_RESTORE_NEW          102
   51 
   52 /* Subops for HYPERVISOR_tmem_op(TMEM_CONTROL) */
   53 #define TMEMC_THAW                   0
   54 #define TMEMC_FREEZE                 1
   55 #define TMEMC_FLUSH                  2
   56 #define TMEMC_DESTROY                3
   57 #define TMEMC_LIST                   4
   58 #define TMEMC_SET_WEIGHT             5
   59 #define TMEMC_SET_CAP                6
   60 #define TMEMC_SET_COMPRESS           7
   61 #define TMEMC_QUERY_FREEABLE_MB      8
   62 #define TMEMC_SAVE_BEGIN             10
   63 #define TMEMC_SAVE_GET_VERSION       11
   64 #define TMEMC_SAVE_GET_MAXPOOLS      12
   65 #define TMEMC_SAVE_GET_CLIENT_WEIGHT 13
   66 #define TMEMC_SAVE_GET_CLIENT_CAP    14
   67 #define TMEMC_SAVE_GET_CLIENT_FLAGS  15
   68 #define TMEMC_SAVE_GET_POOL_FLAGS    16
   69 #define TMEMC_SAVE_GET_POOL_NPAGES   17
   70 #define TMEMC_SAVE_GET_POOL_UUID     18
   71 #define TMEMC_SAVE_GET_NEXT_PAGE     19
   72 #define TMEMC_SAVE_GET_NEXT_INV      20
   73 #define TMEMC_SAVE_END               21
   74 #define TMEMC_RESTORE_BEGIN          30
   75 #define TMEMC_RESTORE_PUT_PAGE       32
   76 #define TMEMC_RESTORE_FLUSH_PAGE     33
   77 
   78 /* Bits for HYPERVISOR_tmem_op(TMEM_NEW_POOL) */
   79 #define TMEM_POOL_PERSIST          1
   80 #define TMEM_POOL_SHARED           2
   81 #define TMEM_POOL_PRECOMPRESSED    4
   82 #define TMEM_POOL_PAGESIZE_SHIFT   4
   83 #define TMEM_POOL_PAGESIZE_MASK  0xf
   84 #define TMEM_POOL_VERSION_SHIFT   24
   85 #define TMEM_POOL_VERSION_MASK  0xff
   86 #define TMEM_POOL_RESERVED_BITS  0x00ffff00
   87 
   88 /* Bits for client flags (save/restore) */
   89 #define TMEM_CLIENT_COMPRESS       1
   90 #define TMEM_CLIENT_FROZEN         2
   91 
   92 /* Special errno values */
   93 #define EFROZEN                 1000
   94 #define EEMPTY                  1001
   95 
   96 
   97 #ifndef __ASSEMBLY__
   98 typedef xen_pfn_t tmem_cli_mfn_t;
   99 typedef XEN_GUEST_HANDLE(char) tmem_cli_va_t;
  100 struct tmem_op {
  101     uint32_t cmd;
  102     int32_t pool_id;
  103     union {
  104         struct {
  105             uint64_t uuid[2];
  106             uint32_t flags;
  107             uint32_t arg1;
  108         } creat; /* for cmd == TMEM_NEW_POOL, TMEM_AUTH, TMEM_RESTORE_NEW */
  109         struct { 
  110             uint32_t subop;
  111             uint32_t cli_id;
  112             uint32_t arg1;
  113             uint32_t arg2;
  114             uint64_t oid[3];
  115             tmem_cli_va_t buf;
  116         } ctrl; /* for cmd == TMEM_CONTROL */
  117         struct {
  118             
  119             uint64_t oid[3];
  120             uint32_t index;
  121             uint32_t tmem_offset;
  122             uint32_t pfn_offset;
  123             uint32_t len;
  124             tmem_cli_mfn_t cmfn; /* client machine page frame */
  125         } gen; /* for all other cmd ("generic") */
  126     } u;
  127 };
  128 typedef struct tmem_op tmem_op_t;
  129 DEFINE_XEN_GUEST_HANDLE(tmem_op_t);
  130 
  131 struct tmem_handle {
  132     uint32_t pool_id;
  133     uint32_t index;
  134     uint64_t oid[3];
  135 };
  136 #endif
  137 
  138 #endif /* __XEN_PUBLIC_TMEM_H__ */
  139 
  140 /*
  141  * Local variables:
  142  * mode: C
  143  * c-set-style: "BSD"
  144  * c-basic-offset: 4
  145  * tab-width: 4
  146  * indent-tabs-mode: nil
  147  * End:
  148  */

Cache object: a45d1953737954d0095f5f2528744888


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.