projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c5de193 JF |
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> | |
| 744f9f10 | 37 | #include <linux/compiler.h> |
| 1c5de193 JF |
38 | |
| 39 | typedef unsigned long xen_pfn_t; | |
| 40 | ||
| 1c5de193 JF |
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 __user *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 __user *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__ */ |