1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889 |
- /******************************************************************************
- * SPDX-License-Identifier: MIT OR GPL-2.0-only
- *
- * 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 __XEN_PRIVCMD_H__
- #define __XEN_PRIVCMD_H__
- struct ioctl_privcmd_hypercall
- {
- unsigned long op; /* hypercall number */
- unsigned long arg[5]; /* arguments */
- long retval; /* return value */
- };
- struct ioctl_privcmd_mmapbatch {
- int num; /* number of pages to populate */
- domid_t dom; /* target domain */
- unsigned long addr; /* virtual address */
- const xen_pfn_t *arr; /* array of mfns */
- int *err; /* array of error codes */
- };
- struct ioctl_privcmd_mmapresource {
- domid_t dom; /* target domain */
- unsigned int type; /* type of resource to map */
- unsigned int id; /* type-specific resource identifier */
- unsigned int idx; /* the index of the initial frame to be mapped */
- unsigned long num; /* number of frames of the resource to be mapped */
- unsigned long addr; /* physical address to map into */
- /*
- * Note: issuing an ioctl with num = addr = 0 will return the size of
- * the resource.
- */
- };
- struct privcmd_dmop_buf {
- void *uptr; /* pointer to memory (in calling process) */
- size_t size; /* size of the buffer */
- };
- struct ioctl_privcmd_dmop {
- domid_t dom; /* target domain */
- unsigned int num; /* num of buffers */
- const struct privcmd_dmop_buf *ubufs; /* array of buffers */
- };
- #define IOCTL_PRIVCMD_HYPERCALL \
- _IOWR('E', 0, struct ioctl_privcmd_hypercall)
- #define IOCTL_PRIVCMD_MMAPBATCH \
- _IOWR('E', 1, struct ioctl_privcmd_mmapbatch)
- #define IOCTL_PRIVCMD_MMAP_RESOURCE \
- _IOWR('E', 2, struct ioctl_privcmd_mmapresource)
- #define IOCTL_PRIVCMD_DM_OP \
- _IOW('E', 3, struct ioctl_privcmd_dmop)
- #define IOCTL_PRIVCMD_RESTRICT \
- _IOW('E', 4, domid_t)
- #endif /* !__XEN_PRIVCMD_H__ */
|