1 /*
2  * Copyright (c) 2003-2005, K A Fraser
3  *
4  * This file may be distributed separately from the Linux kernel, or
5  * incorporated into other software packages, subject to the following license:
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a copy
8  * of this source file (the "Software"), to deal in the Software without
9  * restriction, including without limitation the rights to use, copy, modify,
10  * merge, publish, distribute, sublicense, and/or sell copies of the Software,
11  * and to permit persons to whom the Software is furnished to do so, subject to
12  * the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be included in
15  * all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
23  * IN THE SOFTWARE.
24  */
25 
26 /*
27  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
28  * Use is subject to license terms.
29  */
30 
31 #ifndef	_XEN_SYS_PRIVCMD_H
32 #define	_XEN_SYS_PRIVCMD_H
33 
34 /*
35  * WARNING:
36  *	These numbers and structure are built into the ON privcmd
37  *	driver, as well as the low-level tools and libraries in
38  *	the Xen consolidation.
39  */
40 
41 #include <sys/types.h>
42 
43 #ifdef __cplusplus
44 extern "C" {
45 #endif
46 
47 /*
48  * ioctl numbers and corresponding data structures
49  */
50 
51 #define	__PRIVCMD_IOC			(('p'<<24)|('r'<<16)|('v'<<8))
52 
53 #define	IOCTL_PRIVCMD_HYPERCALL		(__PRIVCMD_IOC|0)
54 #define	IOCTL_PRIVCMD_MMAP		(__PRIVCMD_IOC|1)
55 #define	IOCTL_PRIVCMD_MMAPBATCH		(__PRIVCMD_IOC|2)
56 
57 typedef struct __privcmd_hypercall {
58 	unsigned long op;
59 	unsigned long arg[5];
60 } privcmd_hypercall_t;
61 
62 typedef struct __privcmd_mmap_entry {
63 	unsigned long va;
64 	unsigned long mfn;
65 	unsigned long npages;
66 } privcmd_mmap_entry_t;
67 
68 typedef struct __privcmd_mmap {
69 	int num;
70 	domid_t dom;	/* target domain */
71 	privcmd_mmap_entry_t *entry;
72 } privcmd_mmap_t;
73 
74 typedef struct __privcmd_mmapbatch {
75 	int num;	/* number of pages to populate */
76 	domid_t dom;	/* target domain */
77 	unsigned long addr;	  /* virtual address */
78 	unsigned long *arr;	  /* array of mfns - top nibble set on err */
79 } privcmd_mmapbatch_t;
80 
81 #ifdef __cplusplus
82 }
83 #endif
84 
85 #endif /* _XEN_SYS_PRIVCMD_H */
86