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/******************************************************************************
* privcmd.h
*
* Copyright (c) 2003-2004, K A Fraser
*
* This file may be distributed separately from the Linux kernel, or
* incorporated into other software packages, subject to the following license:
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this source file (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify,
* merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef __PRIVCMD_H__
#define __PRIVCMD_H__
/* Interface to /proc/xen/privcmd */
typedef struct privcmd_hypercall
{
unsigned long op;
unsigned long arg[5];
} privcmd_hypercall_t;
typedef struct privcmd_mmap_entry {
unsigned long va;
unsigned long mfn;
unsigned long npages;
} privcmd_mmap_entry_t;
typedef struct privcmd_mmap {
int num;
domid_t dom; /* target domain */
privcmd_mmap_entry_t *entry;
} privcmd_mmap_t;
typedef struct privcmd_mmapbatch {
int num; /* number of pages to populate */
domid_t dom; /* target domain */
unsigned long addr; /* virtual address */
unsigned long *arr; /* array of mfns - top nibble set on err */
} privcmd_mmapbatch_t;
typedef struct privcmd_blkmsg
{
unsigned long op;
void *buf;
int buf_size;
} privcmd_blkmsg_t;
/*
* @cmd: IOCTL_PRIVCMD_HYPERCALL
* @arg: &privcmd_hypercall_t
* Return: Value returned from execution of the specified hypercall.
*/
#define IOCTL_PRIVCMD_HYPERCALL \
_IOWR('P', 0, privcmd_hypercall_t)
/*
* @cmd: IOCTL_PRIVCMD_INITDOMAIN_EVTCHN
* @arg: n/a
* Return: Port associated with domain-controller end of control event channel
* for the initial domain.
*/
#define IOCTL_PRIVCMD_INITDOMAIN_EVTCHN \
_IO('P', 1)
#define IOCTL_PRIVCMD_MMAP \
_IOW('P', 2, privcmd_mmap_t)
#define IOCTL_PRIVCMD_MMAPBATCH \
_IOW('P', 3, privcmd_mmapbatch_t)
#define IOCTL_PRIVCMD_GET_MACH2PHYS_START_MFN \
_IOW('P', 4, unsigned long)
/* Interface to /dev/xenevt */
/* EVTCHN_RESET: Clear and reinit the event buffer. Clear error condition. */
#define EVTCHN_RESET _IO('E', 1)
/* EVTCHN_BIND: Bind to the specified event-channel port. */
#define EVTCHN_BIND _IOW('E', 2, unsigned long)
/* EVTCHN_UNBIND: Unbind from the specified event-channel port. */
#define EVTCHN_UNBIND _IOW('E', 3, unsigned long)
#endif /* __PRIVCMD_H__ */
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