sysutils/xentools3-hvm/files/xenio.h

   1 /*      NetBSD: xenio.h,v 1.3 2005/05/24 12:07:12 yamt Exp $    */
   2
   3 /******************************************************************************
   4  * privcmd.h
   5  *
   6  * Copyright (c) 2003-2004, K A Fraser
   7  *
   8  * This file may be distributed separately from the Linux kernel, or
   9  * incorporated into other software packages, subject to the following license:
  10  *
  11  * Permission is hereby granted, free of charge, to any person obtaining a copy
  12  * of this source file (the "Software"), to deal in the Software without
  13  * restriction, including without limitation the rights to use, copy, modify,
  14  * merge, publish, distribute, sublicense, and/or sell copies of the Software,
  15  * and to permit persons to whom the Software is furnished to do so, subject to
  16  * the following conditions:
  17  *
  18  * The above copyright notice and this permission notice shall be included in
  19  * all copies or substantial portions of the Software.
  20  *
  21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  22  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  24  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  25  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  26  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  27  * IN THE SOFTWARE.
  28  */
  29
  30 #ifndef __PKGSRC_PRIVCMD_H__
  31 #define __PKGSRC_PRIVCMD_H__
  32
  33 /* Interface to /proc/xen/privcmd */
  34
  35 typedef struct privcmd_hypercall
  36 {
  37     unsigned long op;
  38     unsigned long arg[5];
  39 } privcmd_hypercall_t;
  40
  41 typedef struct privcmd_mmap_entry {
  42     unsigned long va;
  43     unsigned long mfn;
  44     unsigned long npages;
  45 } privcmd_mmap_entry_t;
  46
  47 typedef struct privcmd_mmap {
  48     int num;
  49     domid_t dom; /* target domain */
  50     privcmd_mmap_entry_t *entry;
  51 } privcmd_mmap_t;
  52
  53 typedef struct privcmd_mmapbatch {
  54     int num;     /* number of pages to populate */
  55     domid_t dom; /* target domain */
  56     unsigned long addr;  /* virtual address */
  57     unsigned long *arr; /* array of mfns - top nibble set on err */
  58 } privcmd_mmapbatch_t;
  59
  60 typedef struct privcmd_blkmsg
  61 {
  62     unsigned long op;
  63     void         *buf;
  64     int           buf_size;
  65 } privcmd_blkmsg_t;
  66
  67 /*
  68  * @cmd: IOCTL_PRIVCMD_HYPERCALL
  69  * @arg: &privcmd_hypercall_t
  70  * Return: Value returned from execution of the specified hypercall.
  71  */
  72 #define IOCTL_PRIVCMD_HYPERCALL         \
  73     _IOWR('P', 0, privcmd_hypercall_t)
  74
  75 #if defined(_KERNEL)
  76 /* compat */
  77 #define IOCTL_PRIVCMD_INITDOMAIN_EVTCHN_OLD \
  78     _IO('P', 1)
  79 #endif /* defined(_KERNEL) */
  80
  81 #define IOCTL_PRIVCMD_MMAP             \
  82     _IOW('P', 2, privcmd_mmap_t)
  83 #define IOCTL_PRIVCMD_MMAPBATCH        \
  84     _IOW('P', 3, privcmd_mmapbatch_t)
  85 #define IOCTL_PRIVCMD_GET_MACH2PHYS_START_MFN \
  86     _IOR('P', 4, unsigned long)
  87
  88 /*
  89  * @cmd: IOCTL_PRIVCMD_INITDOMAIN_EVTCHN
  90  * @arg: n/a
  91  * Return: Port associated with domain-controller end of control event channel
  92  *         for the initial domain.
  93  */
  94 #define IOCTL_PRIVCMD_INITDOMAIN_EVTCHN \
  95     _IOR('P', 5, int)
  96
  97 /* Interface to /dev/xenevt */
  98 /* EVTCHN_RESET: Clear and reinit the event buffer. Clear error condition. */
  99 #define EVTCHN_RESET  _IO('E', 1)
 100 /* EVTCHN_BIND: Bind to the specified event-channel port. */
 101 #define EVTCHN_BIND   _IOW('E', 2, unsigned long)
 102 /* EVTCHN_UNBIND: Unbind from the specified event-channel port. */
 103 #define EVTCHN_UNBIND _IOW('E', 3, unsigned long)
 104
 105 #endif /* __PKGSRC_PRIVCMD_H__ */