usr/src/uts/common/xen/sys/privcmd.h

   1 /*
   2  * Copyright (c) 2003-2005, K A Fraser
   3  *
   4  * This file may be distributed separately from the Linux kernel, or
   5  * incorporated into other software packages, subject to the following license:
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this source file (the "Software"), to deal in the Software without
   9  * restriction, including without limitation the rights to use, copy, modify,
  10  * merge, publish, distribute, sublicense, and/or sell copies of the Software,
  11  * and to permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  23  * IN THE SOFTWARE.
  24  */
  25
  26 /*
  27  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  28  * Use is subject to license terms.
  29  */
  30
  31 #ifndef _XEN_SYS_PRIVCMD_H
  32 #define _XEN_SYS_PRIVCMD_H
  33
  34 #pragma ident   "%Z%%M% %I%     %E% SMI"
  35
  36 /*
  37  * WARNING:
  38  *      These numbers and structure are built into the ON privcmd
  39  *      driver, as well as the low-level tools and libraries in
  40  *      the Xen consolidation.
  41  */
  42
  43 #include <sys/types.h>
  44
  45 #ifdef __cplusplus
  46 extern "C" {
  47 #endif
  48
  49 /*
  50  * ioctl numbers and corresponding data structures
  51  */
  52
  53 #define __PRIVCMD_IOC                   (('p'<<24)|('r'<<16)|('v'<<8))
  54
  55 #define IOCTL_PRIVCMD_HYPERCALL         (__PRIVCMD_IOC|0)
  56 #define IOCTL_PRIVCMD_MMAP              (__PRIVCMD_IOC|1)
  57 #define IOCTL_PRIVCMD_MMAPBATCH         (__PRIVCMD_IOC|2)
  58
  59 typedef struct __privcmd_hypercall {
  60         unsigned long op;
  61         unsigned long arg[5];
  62 } privcmd_hypercall_t;
  63
  64 typedef struct __privcmd_mmap_entry {
  65         unsigned long va;
  66         unsigned long mfn;
  67         unsigned long npages;
  68 } privcmd_mmap_entry_t;
  69
  70 typedef struct __privcmd_mmap {
  71         int num;
  72         domid_t dom;    /* target domain */
  73         privcmd_mmap_entry_t *entry;
  74 } privcmd_mmap_t;
  75
  76 typedef struct __privcmd_mmapbatch {
  77         int num;        /* number of pages to populate */
  78         domid_t dom;    /* target domain */
  79         unsigned long addr;       /* virtual address */
  80         unsigned long *arr;       /* array of mfns - top nibble set on err */
  81 } privcmd_mmapbatch_t;
  82
  83 #ifdef __cplusplus
  84 }
  85 #endif
  86
  87 #endif /* _XEN_SYS_PRIVCMD_H */