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


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

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    1 /*
    2  * acm_ops.h: Xen access control module hypervisor commands
    3  *
    4  * Permission is hereby granted, free of charge, to any person obtaining a copy
    5  * of this software and associated documentation files (the "Software"), to
    6  * deal in the Software without restriction, including without limitation the
    7  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
    8  * sell copies of the Software, and to permit persons to whom the Software is
    9  * furnished to do so, subject to the following conditions:
   10  *
   11  * The above copyright notice and this permission notice shall be included in
   12  * all copies or substantial portions of the Software.
   13  *
   14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
   20  * DEALINGS IN THE SOFTWARE.
   21  *
   22  * Reiner Sailer <sailer@watson.ibm.com>
   23  * Copyright (c) 2005,2006 International Business Machines Corporation.
   24  */
   25 
   26 #ifndef __XEN_PUBLIC_ACM_OPS_H__
   27 #define __XEN_PUBLIC_ACM_OPS_H__
   28 
   29 #include "xen.h"
   30 #include "acm.h"
   31 
   32 /*
   33  * Make sure you increment the interface version whenever you modify this file!
   34  * This makes sure that old versions of acm tools will stop working in a
   35  * well-defined way (rather than crashing the machine, for instance).
   36  */
   37 #define ACM_INTERFACE_VERSION   0xAAAA000A
   38 
   39 /************************************************************************/
   40 
   41 /*
   42  * Prototype for this hypercall is:
   43  *  int acm_op(int cmd, void *args)
   44  * @cmd  == ACMOP_??? (access control module operation).
   45  * @args == Operation-specific extra arguments (NULL if none).
   46  */
   47 
   48 
   49 #define ACMOP_setpolicy         1
   50 struct acm_setpolicy {
   51     /* IN */
   52     XEN_GUEST_HANDLE_64(void) pushcache;
   53     uint32_t pushcache_size;
   54 };
   55 
   56 
   57 #define ACMOP_getpolicy         2
   58 struct acm_getpolicy {
   59     /* IN */
   60     XEN_GUEST_HANDLE_64(void) pullcache;
   61     uint32_t pullcache_size;
   62 };
   63 
   64 
   65 #define ACMOP_dumpstats         3
   66 struct acm_dumpstats {
   67     /* IN */
   68     XEN_GUEST_HANDLE_64(void) pullcache;
   69     uint32_t pullcache_size;
   70 };
   71 
   72 
   73 #define ACMOP_getssid           4
   74 #define ACM_GETBY_ssidref  1
   75 #define ACM_GETBY_domainid 2
   76 struct acm_getssid {
   77     /* IN */
   78     uint32_t get_ssid_by; /* ACM_GETBY_* */
   79     union {
   80         domaintype_t domainid;
   81         ssidref_t    ssidref;
   82     } id;
   83     XEN_GUEST_HANDLE_64(void) ssidbuf;
   84     uint32_t ssidbuf_size;
   85 };
   86 
   87 #define ACMOP_getdecision      5
   88 struct acm_getdecision {
   89     /* IN */
   90     uint32_t get_decision_by1; /* ACM_GETBY_* */
   91     uint32_t get_decision_by2; /* ACM_GETBY_* */
   92     union {
   93         domaintype_t domainid;
   94         ssidref_t    ssidref;
   95     } id1;
   96     union {
   97         domaintype_t domainid;
   98         ssidref_t    ssidref;
   99     } id2;
  100     uint32_t hook;
  101     /* OUT */
  102     uint32_t acm_decision;
  103 };
  104 
  105 
  106 #define ACMOP_chgpolicy        6
  107 struct acm_change_policy {
  108     /* IN */
  109     XEN_GUEST_HANDLE_64(void) policy_pushcache;
  110     uint32_t policy_pushcache_size;
  111     XEN_GUEST_HANDLE_64(void) del_array;
  112     uint32_t delarray_size;
  113     XEN_GUEST_HANDLE_64(void) chg_array;
  114     uint32_t chgarray_size;
  115     /* OUT */
  116     /* array with error code */
  117     XEN_GUEST_HANDLE_64(void) err_array;
  118     uint32_t errarray_size;
  119 };
  120 
  121 #define ACMOP_relabeldoms       7
  122 struct acm_relabel_doms {
  123     /* IN */
  124     XEN_GUEST_HANDLE_64(void) relabel_map;
  125     uint32_t relabel_map_size;
  126     /* OUT */
  127     XEN_GUEST_HANDLE_64(void) err_array;
  128     uint32_t errarray_size;
  129 };
  130 
  131 /* future interface to Xen */
  132 struct xen_acmctl {
  133     uint32_t cmd;
  134     uint32_t interface_version;
  135     union {
  136         struct acm_setpolicy     setpolicy;
  137         struct acm_getpolicy     getpolicy;
  138         struct acm_dumpstats     dumpstats;
  139         struct acm_getssid       getssid;
  140         struct acm_getdecision   getdecision;
  141         struct acm_change_policy change_policy;
  142         struct acm_relabel_doms  relabel_doms;
  143     } u;
  144 };
  145 
  146 typedef struct xen_acmctl xen_acmctl_t;
  147 DEFINE_XEN_GUEST_HANDLE(xen_acmctl_t);
  148 
  149 #endif /* __XEN_PUBLIC_ACM_OPS_H__ */
  150 
  151 /*
  152  * Local variables:
  153  * mode: C
  154  * c-set-style: "BSD"
  155  * c-basic-offset: 4
  156  * tab-width: 4
  157  * indent-tabs-mode: nil
  158  * End:
  159  */

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