1 /* $NetBSD: xenio.h,v 1.5 2005/12/11 12:19:48 christos Exp $ */ 2 3 /****************************************************************************** 4 * privcmd.h 5 * 6 * Copyright (c) 2003-2004, K A Fraser 7 * 8 * This file may be distributed separately from the Linux kernel, or 9 * incorporated into other software packages, subject to the following license: 10 * 11 * Permission is hereby granted, free of charge, to any person obtaining a copy 12 * of this source file (the "Software"), to deal in the Software without 13 * restriction, including without limitation the rights to use, copy, modify, 14 * merge, publish, distribute, sublicense, and/or sell copies of the Software, 15 * and to permit persons to whom the Software is furnished to do so, subject to 16 * the following conditions: 17 * 18 * The above copyright notice and this permission notice shall be included in 19 * all copies or substantial portions of the Software. 20 * 21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 24 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 26 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 27 * IN THE SOFTWARE. 28 */ 29 30 #ifndef __PRIVCMD_H__ 31 #define __PRIVCMD_H__ 32 33 /* Interface to /proc/xen/privcmd */ 34 35 typedef struct privcmd_hypercall 36 { 37 unsigned long op; 38 unsigned long arg[5]; 39 } privcmd_hypercall_t; 40 41 typedef struct privcmd_mmap_entry { 42 unsigned long va; 43 unsigned long mfn; 44 unsigned long npages; 45 } privcmd_mmap_entry_t; 46 47 typedef struct privcmd_mmap { 48 int num; 49 domid_t dom; /* target domain */ 50 privcmd_mmap_entry_t *entry; 51 } privcmd_mmap_t; 52 53 typedef struct privcmd_mmapbatch { 54 int num; /* number of pages to populate */ 55 domid_t dom; /* target domain */ 56 unsigned long addr; /* virtual address */ 57 unsigned long *arr; /* array of mfns - top nibble set on err */ 58 } privcmd_mmapbatch_t; 59 60 typedef struct privcmd_blkmsg 61 { 62 unsigned long op; 63 void *buf; 64 int buf_size; 65 } privcmd_blkmsg_t; 66 67 /* 68 * @cmd: IOCTL_PRIVCMD_HYPERCALL 69 * @arg: &privcmd_hypercall_t 70 * Return: Value returned from execution of the specified hypercall. 71 */ 72 #define IOCTL_PRIVCMD_HYPERCALL \ 73 _IOWR('P', 0, privcmd_hypercall_t) 74 75 #if defined(_KERNEL) 76 /* compat */ 77 #define IOCTL_PRIVCMD_INITDOMAIN_EVTCHN_OLD \ 78 _IO('P', 1) 79 #endif /* defined(_KERNEL) */ 80 81 #define IOCTL_PRIVCMD_MMAP \ 82 _IOW('P', 2, privcmd_mmap_t) 83 #define IOCTL_PRIVCMD_MMAPBATCH \ 84 _IOW('P', 3, privcmd_mmapbatch_t) 85 #define IOCTL_PRIVCMD_GET_MACH2PHYS_START_MFN \ 86 _IOR('P', 4, unsigned long) 87 88 /* 89 * @cmd: IOCTL_PRIVCMD_INITDOMAIN_EVTCHN 90 * @arg: n/a 91 * Return: Port associated with domain-controller end of control event channel 92 * for the initial domain. 93 */ 94 #define IOCTL_PRIVCMD_INITDOMAIN_EVTCHN \ 95 _IOR('P', 5, int) 96 97 /* Interface to /dev/xenevt */ 98 /* EVTCHN_RESET: Clear and reinit the event buffer. Clear error condition. */ 99 #define EVTCHN_RESET _IO('E', 1) 100 /* EVTCHN_BIND: Bind to the specified event-channel port. */ 101 #define EVTCHN_BIND _IOW('E', 2, unsigned long) 102 /* EVTCHN_UNBIND: Unbind from the specified event-channel port. */ 103 #define EVTCHN_UNBIND _IOW('E', 3, unsigned long) 104 105 #endif /* __PRIVCMD_H__ */ 106