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-rw-r--r--arch/ia64/include/asm/kvm.h211
1 files changed, 211 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/kvm.h b/arch/ia64/include/asm/kvm.h
new file mode 100644
index 000000000000..f38472ac2267
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+++ b/arch/ia64/include/asm/kvm.h
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1#ifndef __ASM_IA64_KVM_H
2#define __ASM_IA64_KVM_H
3
4/*
5 * kvm structure definitions for ia64
6 *
7 * Copyright (C) 2007 Xiantao Zhang <xiantao.zhang@intel.com>
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms and conditions of the GNU General Public License,
11 * version 2, as published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 * more details.
17 *
18 * You should have received a copy of the GNU General Public License along with
19 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
20 * Place - Suite 330, Boston, MA 02111-1307 USA.
21 *
22 */
23
24#include <asm/types.h>
25
26#include <linux/ioctl.h>
27
28/* Architectural interrupt line count. */
29#define KVM_NR_INTERRUPTS 256
30
31#define KVM_IOAPIC_NUM_PINS 48
32
33struct kvm_ioapic_state {
34 __u64 base_address;
35 __u32 ioregsel;
36 __u32 id;
37 __u32 irr;
38 __u32 pad;
39 union {
40 __u64 bits;
41 struct {
42 __u8 vector;
43 __u8 delivery_mode:3;
44 __u8 dest_mode:1;
45 __u8 delivery_status:1;
46 __u8 polarity:1;
47 __u8 remote_irr:1;
48 __u8 trig_mode:1;
49 __u8 mask:1;
50 __u8 reserve:7;
51 __u8 reserved[4];
52 __u8 dest_id;
53 } fields;
54 } redirtbl[KVM_IOAPIC_NUM_PINS];
55};
56
57#define KVM_IRQCHIP_PIC_MASTER 0
58#define KVM_IRQCHIP_PIC_SLAVE 1
59#define KVM_IRQCHIP_IOAPIC 2
60
61#define KVM_CONTEXT_SIZE 8*1024
62
63struct kvm_fpreg {
64 union {
65 unsigned long bits[2];
66 long double __dummy; /* force 16-byte alignment */
67 } u;
68};
69
70union context {
71 /* 8K size */
72 char dummy[KVM_CONTEXT_SIZE];
73 struct {
74 unsigned long psr;
75 unsigned long pr;
76 unsigned long caller_unat;
77 unsigned long pad;
78 unsigned long gr[32];
79 unsigned long ar[128];
80 unsigned long br[8];
81 unsigned long cr[128];
82 unsigned long rr[8];
83 unsigned long ibr[8];
84 unsigned long dbr[8];
85 unsigned long pkr[8];
86 struct kvm_fpreg fr[128];
87 };
88};
89
90struct thash_data {
91 union {
92 struct {
93 unsigned long p : 1; /* 0 */
94 unsigned long rv1 : 1; /* 1 */
95 unsigned long ma : 3; /* 2-4 */
96 unsigned long a : 1; /* 5 */
97 unsigned long d : 1; /* 6 */
98 unsigned long pl : 2; /* 7-8 */
99 unsigned long ar : 3; /* 9-11 */
100 unsigned long ppn : 38; /* 12-49 */
101 unsigned long rv2 : 2; /* 50-51 */
102 unsigned long ed : 1; /* 52 */
103 unsigned long ig1 : 11; /* 53-63 */
104 };
105 struct {
106 unsigned long __rv1 : 53; /* 0-52 */
107 unsigned long contiguous : 1; /*53 */
108 unsigned long tc : 1; /* 54 TR or TC */
109 unsigned long cl : 1;
110 /* 55 I side or D side cache line */
111 unsigned long len : 4; /* 56-59 */
112 unsigned long io : 1; /* 60 entry is for io or not */
113 unsigned long nomap : 1;
114 /* 61 entry cann't be inserted into machine TLB.*/
115 unsigned long checked : 1;
116 /* 62 for VTLB/VHPT sanity check */
117 unsigned long invalid : 1;
118 /* 63 invalid entry */
119 };
120 unsigned long page_flags;
121 }; /* same for VHPT and TLB */
122
123 union {
124 struct {
125 unsigned long rv3 : 2;
126 unsigned long ps : 6;
127 unsigned long key : 24;
128 unsigned long rv4 : 32;
129 };
130 unsigned long itir;
131 };
132 union {
133 struct {
134 unsigned long ig2 : 12;
135 unsigned long vpn : 49;
136 unsigned long vrn : 3;
137 };
138 unsigned long ifa;
139 unsigned long vadr;
140 struct {
141 unsigned long tag : 63;
142 unsigned long ti : 1;
143 };
144 unsigned long etag;
145 };
146 union {
147 struct thash_data *next;
148 unsigned long rid;
149 unsigned long gpaddr;
150 };
151};
152
153#define NITRS 8
154#define NDTRS 8
155
156struct saved_vpd {
157 unsigned long vhpi;
158 unsigned long vgr[16];
159 unsigned long vbgr[16];
160 unsigned long vnat;
161 unsigned long vbnat;
162 unsigned long vcpuid[5];
163 unsigned long vpsr;
164 unsigned long vpr;
165 unsigned long vcr[128];
166};
167
168struct kvm_regs {
169 char *saved_guest;
170 char *saved_stack;
171 struct saved_vpd vpd;
172 /*Arch-regs*/
173 int mp_state;
174 unsigned long vmm_rr;
175 /* TR and TC. */
176 struct thash_data itrs[NITRS];
177 struct thash_data dtrs[NDTRS];
178 /* Bit is set if there is a tr/tc for the region. */
179 unsigned char itr_regions;
180 unsigned char dtr_regions;
181 unsigned char tc_regions;
182
183 char irq_check;
184 unsigned long saved_itc;
185 unsigned long itc_check;
186 unsigned long timer_check;
187 unsigned long timer_pending;
188 unsigned long last_itc;
189
190 unsigned long vrr[8];
191 unsigned long ibr[8];
192 unsigned long dbr[8];
193 unsigned long insvc[4]; /* Interrupt in service. */
194 unsigned long xtp;
195
196 unsigned long metaphysical_rr0; /* from kvm_arch (so is pinned) */
197 unsigned long metaphysical_rr4; /* from kvm_arch (so is pinned) */
198 unsigned long metaphysical_saved_rr0; /* from kvm_arch */
199 unsigned long metaphysical_saved_rr4; /* from kvm_arch */
200 unsigned long fp_psr; /*used for lazy float register */
201 unsigned long saved_gp;
202 /*for phycial emulation */
203};
204
205struct kvm_sregs {
206};
207
208struct kvm_fpu {
209};
210
211#endif
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