78 строки
2.6 KiB
C
78 строки
2.6 KiB
C
/******************************************************************************
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* privcmd.h
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*
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* Interface to /proc/xen/privcmd.
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*
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* Copyright (c) 2003-2005, K A Fraser
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation; or, when distributed
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* separately from the Linux kernel or incorporated into other
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* software packages, subject to the following license:
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this source file (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy, modify,
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* merge, publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#ifndef __LINUX_PUBLIC_PRIVCMD_H__
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#define __LINUX_PUBLIC_PRIVCMD_H__
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#include <linux/types.h>
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#include <linux/compiler.h>
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typedef unsigned long xen_pfn_t;
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struct privcmd_hypercall {
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__u64 op;
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__u64 arg[5];
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};
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struct privcmd_mmap_entry {
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__u64 va;
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__u64 mfn;
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__u64 npages;
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};
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struct privcmd_mmap {
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int num;
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domid_t dom; /* target domain */
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struct privcmd_mmap_entry __user *entry;
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};
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struct privcmd_mmapbatch {
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int num; /* number of pages to populate */
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domid_t dom; /* target domain */
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__u64 addr; /* virtual address */
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xen_pfn_t __user *arr; /* array of mfns - top nibble set on err */
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};
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/*
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* @cmd: IOCTL_PRIVCMD_HYPERCALL
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* @arg: &privcmd_hypercall_t
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* Return: Value returned from execution of the specified hypercall.
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*/
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#define IOCTL_PRIVCMD_HYPERCALL \
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_IOC(_IOC_NONE, 'P', 0, sizeof(struct privcmd_hypercall))
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#define IOCTL_PRIVCMD_MMAP \
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_IOC(_IOC_NONE, 'P', 2, sizeof(struct privcmd_mmap))
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#define IOCTL_PRIVCMD_MMAPBATCH \
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_IOC(_IOC_NONE, 'P', 3, sizeof(struct privcmd_mmapbatch))
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#endif /* __LINUX_PUBLIC_PRIVCMD_H__ */
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