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/*
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/*
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 * Copyright (C) 2006 Martin Decky
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 * Copyright (C) 2006 Martin Decky
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 * All rights reserved.
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 * All rights reserved.
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 *
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 *
5
 * Redistribution and use in source and binary forms, with or without
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
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 * modification, are permitted provided that the following conditions
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 * are met:
7
 * are met:
8
 *
8
 *
9
 * - Redistributions of source code must retain the above copyright
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
12
 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
15
 *   derived from this software without specific prior written permission.
16
 *
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
27
 */
28
 
28
 
29
#ifndef KERN_ia32xen_HYPERCALL_H_
29
#ifndef KERN_ia32xen_HYPERCALL_H_
30
#define KERN_ia32xen_HYPERCALL_H_
30
#define KERN_ia32xen_HYPERCALL_H_
31
 
31
 
32
#include <arch/types.h>
32
#include <arch/types.h>
33
#include <macros.h>
33
#include <macros.h>
34
 
34
 
35
typedef uint16_t domid_t;
35
typedef uint16_t domid_t;
36
 
36
 
37
typedef struct {
37
typedef struct {
38
    uint8_t vector;     /**< Exception vector */
38
    uint8_t vector;     /**< Exception vector */
39
    uint8_t flags;      /**< 0-3: privilege level; 4: clear event enable */
39
    uint8_t flags;      /**< 0-3: privilege level; 4: clear event enable */
40
    uint16_t cs;        /**< Code selector */
40
    uint16_t cs;        /**< Code selector */
41
    void *address;      /**< Code offset */
41
    void *address;      /**< Code offset */
42
} trap_info_t;
42
} trap_info_t;
43
 
43
 
44
 
44
 
45
typedef struct {
45
typedef struct {
46
    evtchn_t port;
46
    evtchn_t port;
47
} evtchn_send_t;
47
} evtchn_send_t;
48
 
48
 
49
typedef struct {
49
typedef struct {
50
    uint32_t cmd;
50
    uint32_t cmd;
51
    union {
51
    union {
52
        evtchn_send_t send;
52
        evtchn_send_t send;
53
    };
53
    };
54
} evtchn_op_t;
54
} evtchn_op_t;
55
 
55
 
56
 
56
 
57
#define XEN_SET_TRAP_TABLE      0
57
#define XEN_SET_TRAP_TABLE      0
58
#define XEN_MMU_UPDATE          1
58
#define XEN_MMU_UPDATE          1
59
#define XEN_SET_CALLBACKS       4
59
#define XEN_SET_CALLBACKS       4
60
#define XEN_UPDATE_VA_MAPPING   14
60
#define XEN_UPDATE_VA_MAPPING   14
61
#define XEN_EVENT_CHANNEL_OP    16
61
#define XEN_EVENT_CHANNEL_OP    16
62
#define XEN_VERSION             17
62
#define XEN_VERSION             17
63
#define XEN_CONSOLE_IO          18
63
#define XEN_CONSOLE_IO          18
64
#define XEN_VM_ASSIST           21
-
 
65
#define XEN_MMUEXT_OP           26
64
#define XEN_MMUEXT_OP           26
66
 
65
 
67
 
66
 
68
/*
67
/*
69
 * Commands for XEN_CONSOLE_IO
68
 * Commands for XEN_CONSOLE_IO
70
 */
69
 */
71
#define CONSOLE_IO_WRITE    0
70
#define CONSOLE_IO_WRITE    0
72
#define CONSOLE_IO_READ     1
71
#define CONSOLE_IO_READ     1
73
 
72
 
74
 
73
 
75
#define MMUEXT_PIN_L1_TABLE      0
74
#define MMUEXT_PIN_L1_TABLE      0
76
#define MMUEXT_PIN_L2_TABLE      1
75
#define MMUEXT_PIN_L2_TABLE      1
77
#define MMUEXT_PIN_L3_TABLE      2
76
#define MMUEXT_PIN_L3_TABLE      2
78
#define MMUEXT_PIN_L4_TABLE      3
77
#define MMUEXT_PIN_L4_TABLE      3
79
#define MMUEXT_UNPIN_TABLE       4
78
#define MMUEXT_UNPIN_TABLE       4
80
#define MMUEXT_NEW_BASEPTR       5
79
#define MMUEXT_NEW_BASEPTR       5
81
#define MMUEXT_TLB_FLUSH_LOCAL   6
80
#define MMUEXT_TLB_FLUSH_LOCAL   6
82
#define MMUEXT_INVLPG_LOCAL      7
81
#define MMUEXT_INVLPG_LOCAL      7
83
#define MMUEXT_TLB_FLUSH_MULTI   8
82
#define MMUEXT_TLB_FLUSH_MULTI   8
84
#define MMUEXT_INVLPG_MULTI      9
83
#define MMUEXT_INVLPG_MULTI      9
85
#define MMUEXT_TLB_FLUSH_ALL    10
84
#define MMUEXT_TLB_FLUSH_ALL    10
86
#define MMUEXT_INVLPG_ALL       11
85
#define MMUEXT_INVLPG_ALL       11
87
#define MMUEXT_FLUSH_CACHE      12
86
#define MMUEXT_FLUSH_CACHE      12
88
#define MMUEXT_SET_LDT          13
87
#define MMUEXT_SET_LDT          13
89
#define MMUEXT_NEW_USER_BASEPTR 15
88
#define MMUEXT_NEW_USER_BASEPTR 15
90
 
89
 
91
 
90
 
92
#define EVTCHNOP_SEND           4
91
#define EVTCHNOP_SEND           4
93
 
92
 
94
 
93
 
95
#define UVMF_NONE               0        /**< No flushing at all */
94
#define UVMF_NONE               0        /**< No flushing at all */
96
#define UVMF_TLB_FLUSH          1        /**< Flush entire TLB(s) */
95
#define UVMF_TLB_FLUSH          1        /**< Flush entire TLB(s) */
97
#define UVMF_INVLPG             2        /**< Flush only one entry */
96
#define UVMF_INVLPG             2        /**< Flush only one entry */
98
#define UVMF_FLUSHTYPE_MASK     3
97
#define UVMF_FLUSHTYPE_MASK     3
99
#define UVMF_MULTI              0        /**< Flush subset of TLBs */
98
#define UVMF_MULTI              0        /**< Flush subset of TLBs */
100
#define UVMF_LOCAL              0        /**< Flush local TLB */
99
#define UVMF_LOCAL              0        /**< Flush local TLB */
101
#define UVMF_ALL                (1 << 2) /**< Flush all TLBs */
100
#define UVMF_ALL                (1 << 2) /**< Flush all TLBs */
102
 
101
 
103
 
102
 
104
/*
-
 
105
 * Commands to XEN_VM_ASSIST
-
 
106
 */
-
 
107
#define VMASST_CMD_ENABLE               0
-
 
108
#define VMASST_CMD_DISABLE              1
-
 
109
#define VMASST_TYPE_4GB_SEGMENTS        0
-
 
110
#define VMASST_TYPE_4GB_SEGMENTS_NOTIFY 1
-
 
111
#define VMASST_TYPE_WRITABLE_PAGETABLES 2
-
 
112
 
-
 
113
 
-
 
114
#define DOMID_SELF (0x7FF0U)
103
#define DOMID_SELF (0x7FF0U)
115
#define DOMID_IO   (0x7FF1U)
104
#define DOMID_IO   (0x7FF1U)
116
 
105
 
117
 
106
 
118
#define force_evtchn_callback() ((void) xen_version(0, 0))
107
#define force_evtchn_callback() ((void) xen_version(0, 0))
119
 
108
 
120
#define hypercall0(id)  \
109
#define hypercall0(id)  \
121
    ({  \
110
    ({  \
122
        unative_t ret;  \
111
        unative_t ret;  \
123
        asm volatile (  \
112
        asm volatile (  \
124
            "call hypercall_page + (" STRING(id) " * 32)\n" \
113
            "call hypercall_page + (" STRING(id) " * 32)\n" \
125
            : "=a" (ret)    \
114
            : "=a" (ret)    \
126
            :   \
115
            :   \
127
            : "memory"  \
116
            : "memory"  \
128
        );  \
117
        );  \
129
        ret;    \
118
        ret;    \
130
    })
119
    })
131
 
120
 
132
#define hypercall1(id, p1)  \
121
#define hypercall1(id, p1)  \
133
    ({  \
122
    ({  \
134
        unative_t ret, __ign1;  \
123
        unative_t ret, __ign1;  \
135
        asm volatile (  \
124
        asm volatile (  \
136
            "call hypercall_page + (" STRING(id) " * 32)\n" \
125
            "call hypercall_page + (" STRING(id) " * 32)\n" \
137
            : "=a" (ret), \
126
            : "=a" (ret), \
138
              "=b" (__ign1) \
127
              "=b" (__ign1) \
139
            : "1" (p1)  \
128
            : "1" (p1)  \
140
            : "memory"  \
129
            : "memory"  \
141
        );  \
130
        );  \
142
        ret;    \
131
        ret;    \
143
    })
132
    })
144
 
133
 
145
#define hypercall2(id, p1, p2)  \
134
#define hypercall2(id, p1, p2)  \
146
    ({  \
135
    ({  \
147
        unative_t ret, __ign1, __ign2;  \
136
        unative_t ret, __ign1, __ign2;  \
148
        asm volatile (  \
137
        asm volatile (  \
149
            "call hypercall_page + (" STRING(id) " * 32)\n" \
138
            "call hypercall_page + (" STRING(id) " * 32)\n" \
150
            : "=a" (ret), \
139
            : "=a" (ret), \
151
              "=b" (__ign1),    \
140
              "=b" (__ign1),    \
152
              "=c" (__ign2) \
141
              "=c" (__ign2) \
153
            : "1" (p1), \
142
            : "1" (p1), \
154
              "2" (p2)  \
143
              "2" (p2)  \
155
            : "memory"  \
144
            : "memory"  \
156
        );  \
145
        );  \
157
        ret;    \
146
        ret;    \
158
    })
147
    })
159
 
148
 
160
#define hypercall3(id, p1, p2, p3)  \
149
#define hypercall3(id, p1, p2, p3)  \
161
    ({  \
150
    ({  \
162
        unative_t ret, __ign1, __ign2, __ign3;  \
151
        unative_t ret, __ign1, __ign2, __ign3;  \
163
        asm volatile (  \
152
        asm volatile (  \
164
            "call hypercall_page + (" STRING(id) " * 32)\n" \
153
            "call hypercall_page + (" STRING(id) " * 32)\n" \
165
            : "=a" (ret), \
154
            : "=a" (ret), \
166
              "=b" (__ign1),    \
155
              "=b" (__ign1),    \
167
              "=c" (__ign2),    \
156
              "=c" (__ign2),    \
168
              "=d" (__ign3) \
157
              "=d" (__ign3) \
169
            : "1" (p1), \
158
            : "1" (p1), \
170
              "2" (p2), \
159
              "2" (p2), \
171
              "3" (p3)  \
160
              "3" (p3)  \
172
            : "memory"  \
161
            : "memory"  \
173
        );  \
162
        );  \
174
        ret;    \
163
        ret;    \
175
    })
164
    })
176
 
165
 
177
#define hypercall4(id, p1, p2, p3, p4)  \
166
#define hypercall4(id, p1, p2, p3, p4)  \
178
    ({  \
167
    ({  \
179
        unative_t ret, __ign1, __ign2, __ign3, __ign4;  \
168
        unative_t ret, __ign1, __ign2, __ign3, __ign4;  \
180
        asm volatile (  \
169
        asm volatile (  \
181
            "call hypercall_page + (" STRING(id) " * 32)\n" \
170
            "call hypercall_page + (" STRING(id) " * 32)\n" \
182
            : "=a" (ret), \
171
            : "=a" (ret), \
183
              "=b" (__ign1),    \
172
              "=b" (__ign1),    \
184
              "=c" (__ign2),    \
173
              "=c" (__ign2),    \
185
              "=d" (__ign3),    \
174
              "=d" (__ign3),    \
186
              "=S" (__ign4) \
175
              "=S" (__ign4) \
187
            : "1" (p1), \
176
            : "1" (p1), \
188
              "2" (p2), \
177
              "2" (p2), \
189
              "3" (p3), \
178
              "3" (p3), \
190
              "4" (p4)  \
179
              "4" (p4)  \
191
            : "memory"  \
180
            : "memory"  \
192
        );  \
181
        );  \
193
        ret;    \
182
        ret;    \
194
    })
183
    })
195
 
184
 
196
#define hypercall5(id, p1, p2, p3, p4, p5)  \
185
#define hypercall5(id, p1, p2, p3, p4, p5)  \
197
    ({  \
186
    ({  \
198
        unative_t ret, __ign1, __ign2, __ign3, __ign4, __ign5;  \
187
        unative_t ret, __ign1, __ign2, __ign3, __ign4, __ign5;  \
199
        asm volatile (  \
188
        asm volatile (  \
200
            "call hypercall_page + (" STRING(id) " * 32)\n" \
189
            "call hypercall_page + (" STRING(id) " * 32)\n" \
201
            : "=a" (ret), \
190
            : "=a" (ret), \
202
              "=b" (__ign1),    \
191
              "=b" (__ign1),    \
203
              "=c" (__ign2),    \
192
              "=c" (__ign2),    \
204
              "=d" (__ign3),    \
193
              "=d" (__ign3),    \
205
              "=S" (__ign4),    \
194
              "=S" (__ign4),    \
206
              "=D" (__ign5) \
195
              "=D" (__ign5) \
207
            : "1" (p1), \
196
            : "1" (p1), \
208
              "2" (p2), \
197
              "2" (p2), \
209
              "3" (p3), \
198
              "3" (p3), \
210
              "4" (p4), \
199
              "4" (p4), \
211
              "5" (p5)  \
200
              "5" (p5)  \
212
            : "memory"  \
201
            : "memory"  \
213
        );  \
202
        );  \
214
        ret;    \
203
        ret;    \
215
    })
204
    })
216
 
205
 
217
 
206
 
218
static inline int xen_console_io(const unsigned int cmd, const unsigned int count, const char *str)
207
static inline int xen_console_io(const unsigned int cmd, const unsigned int count, const char *str)
219
{
208
{
220
    return hypercall3(XEN_CONSOLE_IO, cmd, count, str);
209
    return hypercall3(XEN_CONSOLE_IO, cmd, count, str);
221
}
210
}
222
 
-
 
223
static inline int xen_vm_assist(const unsigned int cmd, const unsigned int type)
-
 
224
{
-
 
225
    return hypercall2(XEN_VM_ASSIST, cmd, type);
-
 
226
}
-
 
227
 
211
 
228
static inline int xen_set_callbacks(const unsigned int event_selector, const void *event_address, const unsigned int failsafe_selector, void *failsafe_address)
212
static inline int xen_set_callbacks(const unsigned int event_selector, const void *event_address, const unsigned int failsafe_selector, void *failsafe_address)
229
{
213
{
230
    return hypercall4(XEN_SET_CALLBACKS, event_selector, event_address, failsafe_selector, failsafe_address);
214
    return hypercall4(XEN_SET_CALLBACKS, event_selector, event_address, failsafe_selector, failsafe_address);
231
}
215
}
232
 
216
 
233
static inline int xen_set_trap_table(const trap_info_t *table)
217
static inline int xen_set_trap_table(const trap_info_t *table)
234
{
218
{
235
    return hypercall1(XEN_SET_TRAP_TABLE, table);
219
    return hypercall1(XEN_SET_TRAP_TABLE, table);
236
}
220
}
237
 
221
 
238
static inline int xen_version(const unsigned int cmd, const void *arg)
222
static inline int xen_version(const unsigned int cmd, const void *arg)
239
{
223
{
240
    return hypercall2(XEN_VERSION, cmd, arg);
224
    return hypercall2(XEN_VERSION, cmd, arg);
241
}
225
}
242
 
226
 
243
static inline int xen_notify_remote(evtchn_t channel)
227
static inline int xen_notify_remote(evtchn_t channel)
244
{
228
{
245
    evtchn_op_t op;
229
    evtchn_op_t op;
246
   
230
   
247
    op.cmd = EVTCHNOP_SEND;
231
    op.cmd = EVTCHNOP_SEND;
248
    op.send.port = channel;
232
    op.send.port = channel;
249
    return hypercall1(XEN_EVENT_CHANNEL_OP, &op);
233
    return hypercall1(XEN_EVENT_CHANNEL_OP, &op);
250
}
234
}
251
 
235
 
252
#endif
236
#endif
253
 
237