1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Copyright (C) IBM Corp. 2005, 2006
*
* Authors: Hollis Blanchard <hollisb@us.ibm.com>
*/
#include "xen.h"
#ifndef __XEN_PUBLIC_ARCH_PPC_64_H__
#define __XEN_PUBLIC_ARCH_PPC_64_H__
#define ___DEFINE_XEN_GUEST_HANDLE(name, type) \
typedef struct { \
int __pad[(sizeof (long long) - sizeof (void *)) / sizeof (int)]; \
type *p; \
} __attribute__((__aligned__(8))) __guest_handle_ ## name
#define __DEFINE_XEN_GUEST_HANDLE(name, type) \
___DEFINE_XEN_GUEST_HANDLE(name, type); \
___DEFINE_XEN_GUEST_HANDLE(const_##name, const type)
#define DEFINE_XEN_GUEST_HANDLE(name) __DEFINE_XEN_GUEST_HANDLE(name, name)
#define XEN_GUEST_HANDLE(name) __guest_handle_ ## name
#define set_xen_guest_handle(hnd, val) \
do { \
if (sizeof ((hnd).__pad)) \
(hnd).__pad[0] = 0; \
(hnd).p = val; \
} while (0)
#ifdef __XEN_TOOLS__
#define get_xen_guest_handle(val, hnd) do { val = (hnd).p; } while (0)
#endif
#ifndef __ASSEMBLY__
typedef unsigned long long xen_pfn_t;
#define PRI_xen_pfn "llx"
#endif
/*
* Pointers and other address fields inside interface structures are padded to
* 64 bits. This means that field alignments aren't different between 32- and
* 64-bit architectures.
*/
/* NB. Multi-level macro ensures __LINE__ is expanded before concatenation. */
#define __MEMORY_PADDING(_X)
#define _MEMORY_PADDING(_X) __MEMORY_PADDING(_X)
#define MEMORY_PADDING _MEMORY_PADDING(__LINE__)
/* And the trap vector is... */
#define TRAP_INSTR "li 0,-1; sc" /* XXX just "sc"? */
#ifndef __ASSEMBLY__
#define XENCOMM_INLINE_FLAG (1UL << 63)
typedef uint64_t xen_ulong_t;
/* User-accessible registers: nost of these need to be saved/restored
* for every nested Xen invocation. */
struct cpu_user_regs
{
uint64_t gprs[32];
uint64_t lr;
uint64_t ctr;
uint64_t srr0;
uint64_t srr1;
uint64_t pc;
uint64_t msr;
uint64_t fpscr; /* XXX Is this necessary */
uint64_t xer;
uint64_t hid4; /* debug only */
uint64_t dar; /* debug only */
uint32_t dsisr; /* debug only */
uint32_t cr;
uint32_t __pad; /* good spot for another 32bit reg */
uint32_t entry_vector;
};
typedef struct cpu_user_regs cpu_user_regs_t;
typedef uint64_t tsc_timestamp_t; /* RDTSC timestamp */ /* XXX timebase */
/* ONLY used to communicate with dom0! See also struct exec_domain. */
struct vcpu_guest_context {
cpu_user_regs_t user_regs; /* User-level CPU registers */
uint64_t sdr1; /* Pagetable base */
/* XXX etc */
};
typedef struct vcpu_guest_context vcpu_guest_context_t;
DEFINE_XEN_GUEST_HANDLE(vcpu_guest_context_t);
struct arch_shared_info {
uint64_t boot_timebase;
};
struct arch_vcpu_info {
};
/* Support for multi-processor guests. */
#define MAX_VIRT_CPUS 32
#endif
#endif
|
