1 /****************************************************************************** 2 * privcmd.h 3 * 4 * Interface to /proc/xen/privcmd. 5 * 6 * Copyright (c) 2003-2005, K A Fraser 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License version 2 10 * as published by the Free Software Foundation; or, when distributed 11 * separately from the Linux kernel or incorporated into other 12 * software packages, subject to the following license: 13 * 14 * Permission is hereby granted, free of charge, to any person obtaining a copy 15 * of this source file (the "Software"), to deal in the Software without 16 * restriction, including without limitation the rights to use, copy, modify, 17 * merge, publish, distribute, sublicense, and/or sell copies of the Software, 18 * and to permit persons to whom the Software is furnished to do so, subject to 19 * the following conditions: 20 * 21 * The above copyright notice and this permission notice shall be included in 22 * all copies or substantial portions of the Software. 23 * 24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 25 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 26 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 27 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 28 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 29 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 30 * IN THE SOFTWARE. 31 */ 32 33 #ifndef __LINUX_PUBLIC_PRIVCMD_H__ 34 #define __LINUX_PUBLIC_PRIVCMD_H__ 35 36 #include <linux/types.h> 37 38 39 typedef unsigned long xen_pfn_t; 40 41 struct privcmd_hypercall { 42 __u64 op; 43 __u64 arg[5]; 44 }; 45 46 struct privcmd_mmap_entry { 47 __u64 va; 48 __u64 mfn; 49 __u64 npages; 50 }; 51 52 struct privcmd_mmap { 53 int num; 54 domid_t dom; /* target domain */ 55 struct privcmd_mmap_entry *entry; 56 }; 57 58 struct privcmd_mmapbatch { 59 int num; /* number of pages to populate */ 60 domid_t dom; /* target domain */ 61 __u64 addr; /* virtual address */ 62 xen_pfn_t *arr; /* array of mfns - top nibble set on err */ 63 }; 64 65 /* 66 * @cmd: IOCTL_PRIVCMD_HYPERCALL 67 * @arg: &privcmd_hypercall_t 68 * Return: Value returned from execution of the specified hypercall. 69 */ 70 #define IOCTL_PRIVCMD_HYPERCALL \ 71 _IOC(_IOC_NONE, 'P', 0, sizeof(struct privcmd_hypercall)) 72 #define IOCTL_PRIVCMD_MMAP \ 73 _IOC(_IOC_NONE, 'P', 2, sizeof(struct privcmd_mmap)) 74 #define IOCTL_PRIVCMD_MMAPBATCH \ 75 _IOC(_IOC_NONE, 'P', 3, sizeof(struct privcmd_mmapbatch)) 76 77 #endif /* __LINUX_PUBLIC_PRIVCMD_H__ */ 78
