/****************************************************************************** * privcmd.h * * Interface to /proc/xen/privcmd. * * Copyright (c) 2003-2005, K A Fraser * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation; or, when 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 __LINUX_PUBLIC_PRIVCMD_H__#define __LINUX_PUBLIC_PRIVCMD_H__ #include <linux/types.h>#include <linux/compiler.h>#include <xen/interface/xen.h> struct privcmd_hypercall {	__u64 op;	__u64 arg[5];}; struct privcmd_mmap_entry {	__u64 va;	__u64 mfn;	__u64 npages;}; struct privcmd_mmap {	int num;	domid_t dom; /* target domain */	struct privcmd_mmap_entry __user *entry;}; struct privcmd_mmapbatch {	int num;     /* number of pages to populate */	domid_t dom; /* target domain */	__u64 addr;  /* virtual address */	xen_pfn_t __user *arr; /* array of mfns - or'd with				  PRIVCMD_MMAPBATCH_*_ERROR on err */}; #define PRIVCMD_MMAPBATCH_MFN_ERROR     0xf0000000U#define PRIVCMD_MMAPBATCH_PAGED_ERROR   0x80000000U struct privcmd_mmapbatch_v2 {	unsigned int num; /* number of pages to populate */	domid_t dom;      /* target domain */	__u64 addr;       /* virtual address */	const xen_pfn_t __user *arr; /* array of mfns */	int __user *err;  /* array of error codes */}; /* * @cmd: IOCTL_PRIVCMD_HYPERCALL * @arg: &privcmd_hypercall_t * Return: Value returned from execution of the specified hypercall. * * @cmd: IOCTL_PRIVCMD_MMAPBATCH_V2 * @arg: &struct privcmd_mmapbatch_v2 * Return: 0 on success (i.e., arg->err contains valid error codes for * each frame).  On an error other than a failed frame remap, -1 is * returned and errno is set to EINVAL, EFAULT etc.  As an exception, * if the operation was otherwise successful but any frame failed with * -ENOENT, then -1 is returned and errno is set to ENOENT. */#define IOCTL_PRIVCMD_HYPERCALL					\	_IOC(_IOC_NONE, 'P', 0, sizeof(struct privcmd_hypercall))#define IOCTL_PRIVCMD_MMAP					\	_IOC(_IOC_NONE, 'P', 2, sizeof(struct privcmd_mmap))#define IOCTL_PRIVCMD_MMAPBATCH					\	_IOC(_IOC_NONE, 'P', 3, sizeof(struct privcmd_mmapbatch))#define IOCTL_PRIVCMD_MMAPBATCH_V2				\	_IOC(_IOC_NONE, 'P', 4, sizeof(struct privcmd_mmapbatch_v2)) #endif /* __LINUX_PUBLIC_PRIVCMD_H__ */