1 /* NetBSD: xenio.h,v 1.3 2005/05/24 12:07:12 yamt 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 __NetBSD_PRIVCMD_H__ 31 #define __NetBSD_PRIVCMD_H__ 32 33 /* Interface to /dev/xen/privcmd */ 34 35 typedef struct privcmd_hypercall 36 { 37 unsigned long op; 38 unsigned long arg[5]; 39 long retval; 40 } privcmd_hypercall_t; 41 42 typedef struct privcmd_mmap_entry { 43 unsigned long va; 44 unsigned long mfn; 45 unsigned long npages; 46 } privcmd_mmap_entry_t; 47 48 typedef struct privcmd_mmap { 49 int num; 50 domid_t dom; /* target domain */ 51 privcmd_mmap_entry_t *entry; 52 } privcmd_mmap_t; 53 54 typedef struct privcmd_mmapbatch { 55 int num; /* number of pages to populate */ 56 domid_t dom; /* target domain */ 57 unsigned long addr; /* virtual address */ 58 unsigned long *arr; /* array of mfns - top nibble set on err */ 59 } privcmd_mmapbatch_t; 60 61 typedef struct privcmd_blkmsg 62 { 63 unsigned long op; 64 void *buf; 65 int buf_size; 66 } privcmd_blkmsg_t; 67 68 /* 69 * @cmd: IOCTL_PRIVCMD_HYPERCALL 70 * @arg: &privcmd_hypercall_t 71 * Return: Value returned from execution of the specified hypercall. 72 */ 73 #define IOCTL_PRIVCMD_HYPERCALL \ 74 _IOWR('P', 0, privcmd_hypercall_t) 75 76 #if defined(_KERNEL) 77 /* compat */ 78 #define IOCTL_PRIVCMD_INITDOMAIN_EVTCHN_OLD \ 79 _IO('P', 1) 80 #endif /* defined(_KERNEL) */ 81 82 #define IOCTL_PRIVCMD_MMAP \ 83 _IOW('P', 2, privcmd_mmap_t) 84 #define IOCTL_PRIVCMD_MMAPBATCH \ 85 _IOW('P', 3, privcmd_mmapbatch_t) 86 #define IOCTL_PRIVCMD_GET_MACH2PHYS_START_MFN \ 87 _IOR('P', 4, unsigned long) 88 89 /* 90 * @cmd: IOCTL_PRIVCMD_INITDOMAIN_EVTCHN 91 * @arg: n/a 92 * Return: Port associated with domain-controller end of control event channel 93 * for the initial domain. 94 */ 95 #define IOCTL_PRIVCMD_INITDOMAIN_EVTCHN \ 96 _IOR('P', 5, int) 97 98 /* Interface to /dev/xenevt */ 99 /* EVTCHN_RESET: Clear and reinit the event buffer. Clear error condition. */ 100 #define EVTCHN_RESET _IO('E', 1) 101 /* EVTCHN_BIND: Bind to the specified event-channel port. */ 102 #define EVTCHN_BIND _IOW('E', 2, unsigned long) 103 /* EVTCHN_UNBIND: Unbind from the specified event-channel port. */ 104 #define EVTCHN_UNBIND _IOW('E', 3, unsigned long) 105 106 #endif /* __NetBSD_PRIVCMD_H__ */ 107