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87 lines
3.1 KiB
C
87 lines
3.1 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 __XEN_PRIVCMD_H__
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#define __XEN_PRIVCMD_H__
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struct ioctl_privcmd_hypercall
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{
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unsigned long op; /* hypercall number */
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unsigned long arg[5]; /* arguments */
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long retval; /* return value */
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};
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struct ioctl_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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unsigned long addr; /* virtual address */
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const xen_pfn_t *arr; /* array of mfns */
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int *err; /* array of error codes */
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};
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struct ioctl_privcmd_mmapresource {
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domid_t dom; /* target domain */
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unsigned int type; /* type of resource to map */
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unsigned int id; /* type-specific resource identifier */
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unsigned int idx; /* the index of the initial frame to be mapped */
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unsigned long num; /* number of frames of the resource to be mapped */
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unsigned long addr; /* physical address to map into */
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/*
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* Note: issuing an ioctl with num = addr = 0 will return the size of
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* the resource.
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*/
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};
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struct privcmd_dmop_buf {
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void *uptr; /* pointer to memory (in calling process) */
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size_t size; /* size of the buffer */
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};
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struct ioctl_privcmd_dmop {
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domid_t dom; /* target domain */
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unsigned int num; /* num of buffers */
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const struct privcmd_dmop_buf *ubufs; /* array of buffers */
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};
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#define IOCTL_PRIVCMD_HYPERCALL \
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_IOWR('E', 0, struct ioctl_privcmd_hypercall)
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#define IOCTL_PRIVCMD_MMAPBATCH \
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_IOWR('E', 1, struct ioctl_privcmd_mmapbatch)
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#define IOCTL_PRIVCMD_MMAP_RESOURCE \
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_IOWR('E', 2, struct ioctl_privcmd_mmapresource)
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#define IOCTL_PRIVCMD_DM_OP \
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_IOW('E', 3, struct ioctl_privcmd_dmop)
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#define IOCTL_PRIVCMD_RESTRICT \
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_IOW('E', 4, domid_t)
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#endif /* !__XEN_PRIVCMD_H__ */
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