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1 | /* |
1 | /* |
2 | * Copyright (C) 2006 Martin Decky |
2 | * Copyright (C) 2006 Martin Decky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
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 |
6 | * modification, are permitted provided that the following conditions |
7 | * 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 |
13 | * 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 __xen32_HYPERCALL_H__ |
29 | #ifndef __xen32_HYPERCALL_H__ |
30 | #define __xen32_HYPERCALL_H__ |
30 | #define __xen32_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 | 35 | ||
36 | typedef uint16_t domid_t; |
36 | typedef uint16_t domid_t; |
37 | 37 | ||
38 | 38 | ||
- | 39 | typedef struct { |
|
- | 40 | uint8_t vector; /**< Exception vector */ |
|
- | 41 | uint8_t flags; /**< 0-3: privilege level; 4: clear event enable */ |
|
- | 42 | uint16_t cs; /**< Code selector */ |
|
- | 43 | uintptr_t address; /**< Code offset */ |
|
- | 44 | } trap_info_t; |
|
- | 45 | ||
- | 46 | ||
- | 47 | #define XEN_SET_TRAP_TABLE 0 |
|
39 | #define XEN_MMU_UPDATE 1 |
48 | #define XEN_MMU_UPDATE 1 |
- | 49 | #define XEN_SET_CALLBACKS 4 |
|
40 | #define XEN_UPDATE_VA_MAPPING 14 |
50 | #define XEN_UPDATE_VA_MAPPING 14 |
41 | #define XEN_CONSOLE_IO 18 |
51 | #define XEN_CONSOLE_IO 18 |
42 | #define XEN_VM_ASSIST 21 |
52 | #define XEN_VM_ASSIST 21 |
43 | #define XEN_MMUEXT_OP 26 |
53 | #define XEN_MMUEXT_OP 26 |
44 | 54 | ||
45 | 55 | ||
46 | /* |
56 | /* |
47 | * Commands for XEN_CONSOLE_IO |
57 | * Commands for XEN_CONSOLE_IO |
48 | */ |
58 | */ |
49 | #define CONSOLE_IO_WRITE 0 |
59 | #define CONSOLE_IO_WRITE 0 |
50 | #define CONSOLE_IO_READ 1 |
60 | #define CONSOLE_IO_READ 1 |
51 | 61 | ||
52 | 62 | ||
53 | #define MMUEXT_PIN_L1_TABLE 0 |
63 | #define MMUEXT_PIN_L1_TABLE 0 |
54 | #define MMUEXT_PIN_L2_TABLE 1 |
64 | #define MMUEXT_PIN_L2_TABLE 1 |
55 | #define MMUEXT_PIN_L3_TABLE 2 |
65 | #define MMUEXT_PIN_L3_TABLE 2 |
56 | #define MMUEXT_PIN_L4_TABLE 3 |
66 | #define MMUEXT_PIN_L4_TABLE 3 |
57 | #define MMUEXT_UNPIN_TABLE 4 |
67 | #define MMUEXT_UNPIN_TABLE 4 |
58 | #define MMUEXT_NEW_BASEPTR 5 |
68 | #define MMUEXT_NEW_BASEPTR 5 |
59 | #define MMUEXT_TLB_FLUSH_LOCAL 6 |
69 | #define MMUEXT_TLB_FLUSH_LOCAL 6 |
60 | #define MMUEXT_INVLPG_LOCAL 7 |
70 | #define MMUEXT_INVLPG_LOCAL 7 |
61 | #define MMUEXT_TLB_FLUSH_MULTI 8 |
71 | #define MMUEXT_TLB_FLUSH_MULTI 8 |
62 | #define MMUEXT_INVLPG_MULTI 9 |
72 | #define MMUEXT_INVLPG_MULTI 9 |
63 | #define MMUEXT_TLB_FLUSH_ALL 10 |
73 | #define MMUEXT_TLB_FLUSH_ALL 10 |
64 | #define MMUEXT_INVLPG_ALL 11 |
74 | #define MMUEXT_INVLPG_ALL 11 |
65 | #define MMUEXT_FLUSH_CACHE 12 |
75 | #define MMUEXT_FLUSH_CACHE 12 |
66 | #define MMUEXT_SET_LDT 13 |
76 | #define MMUEXT_SET_LDT 13 |
67 | #define MMUEXT_NEW_USER_BASEPTR 15 |
77 | #define MMUEXT_NEW_USER_BASEPTR 15 |
68 | 78 | ||
69 | 79 | ||
70 | #define UVMF_NONE 0 /**< No flushing at all */ |
80 | #define UVMF_NONE 0 /**< No flushing at all */ |
71 | #define UVMF_TLB_FLUSH 1 /**< Flush entire TLB(s) */ |
81 | #define UVMF_TLB_FLUSH 1 /**< Flush entire TLB(s) */ |
72 | #define UVMF_INVLPG 2 /**< Flush only one entry */ |
82 | #define UVMF_INVLPG 2 /**< Flush only one entry */ |
73 | #define UVMF_FLUSHTYPE_MASK 3 |
83 | #define UVMF_FLUSHTYPE_MASK 3 |
74 | #define UVMF_MULTI 0 /**< Flush subset of TLBs */ |
84 | #define UVMF_MULTI 0 /**< Flush subset of TLBs */ |
75 | #define UVMF_LOCAL 0 /**< Flush local TLB */ |
85 | #define UVMF_LOCAL 0 /**< Flush local TLB */ |
76 | #define UVMF_ALL (1 << 2) /**< Flush all TLBs */ |
86 | #define UVMF_ALL (1 << 2) /**< Flush all TLBs */ |
77 | 87 | ||
78 | 88 | ||
79 | /* |
89 | /* |
80 | * Commands to XEN_VM_ASSIST |
90 | * Commands to XEN_VM_ASSIST |
81 | */ |
91 | */ |
82 | #define VMASST_CMD_ENABLE 0 |
92 | #define VMASST_CMD_ENABLE 0 |
83 | #define VMASST_CMD_DISABLE 1 |
93 | #define VMASST_CMD_DISABLE 1 |
84 | #define VMASST_TYPE_4GB_SEGMENTS 0 |
94 | #define VMASST_TYPE_4GB_SEGMENTS 0 |
85 | #define VMASST_TYPE_4GB_SEGMENTS_NOTIFY 1 |
95 | #define VMASST_TYPE_4GB_SEGMENTS_NOTIFY 1 |
86 | #define VMASST_TYPE_WRITABLE_PAGETABLES 2 |
96 | #define VMASST_TYPE_WRITABLE_PAGETABLES 2 |
87 | 97 | ||
88 | 98 | ||
89 | #define DOMID_SELF (0x7FF0U) |
99 | #define DOMID_SELF (0x7FF0U) |
90 | #define DOMID_IO (0x7FF1U) |
100 | #define DOMID_IO (0x7FF1U) |
91 | 101 | ||
92 | 102 | ||
93 | #define hypercall0(id) \ |
103 | #define hypercall0(id) \ |
94 | ({ \ |
104 | ({ \ |
95 | unative_t ret; \ |
105 | unative_t ret; \ |
96 | asm volatile ( \ |
106 | asm volatile ( \ |
97 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
107 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
98 | : "=a" (ret) \ |
108 | : "=a" (ret) \ |
99 | : \ |
109 | : \ |
100 | : "memory" \ |
110 | : "memory" \ |
101 | ); \ |
111 | ); \ |
102 | ret; \ |
112 | ret; \ |
103 | }) |
113 | }) |
104 | 114 | ||
105 | #define hypercall1(id, p1) \ |
115 | #define hypercall1(id, p1) \ |
106 | ({ \ |
116 | ({ \ |
107 | unative_t ret, __ign1; \ |
117 | unative_t ret, __ign1; \ |
108 | asm volatile ( \ |
118 | asm volatile ( \ |
109 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
119 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
110 | : "=a" (ret), \ |
120 | : "=a" (ret), \ |
111 | "=b" (__ign1) \ |
121 | "=b" (__ign1) \ |
112 | : "1" (p1) \ |
122 | : "1" (p1) \ |
113 | : "memory" \ |
123 | : "memory" \ |
114 | ); \ |
124 | ); \ |
115 | ret; \ |
125 | ret; \ |
116 | }) |
126 | }) |
117 | 127 | ||
118 | #define hypercall2(id, p1, p2) \ |
128 | #define hypercall2(id, p1, p2) \ |
119 | ({ \ |
129 | ({ \ |
120 | unative_t ret, __ign1, __ign2; \ |
130 | unative_t ret, __ign1, __ign2; \ |
121 | asm volatile ( \ |
131 | asm volatile ( \ |
122 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
132 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
123 | : "=a" (ret), \ |
133 | : "=a" (ret), \ |
124 | "=b" (__ign1), \ |
134 | "=b" (__ign1), \ |
125 | "=c" (__ign2) \ |
135 | "=c" (__ign2) \ |
126 | : "1" (p1), \ |
136 | : "1" (p1), \ |
127 | "2" (p2) \ |
137 | "2" (p2) \ |
128 | : "memory" \ |
138 | : "memory" \ |
129 | ); \ |
139 | ); \ |
130 | ret; \ |
140 | ret; \ |
131 | }) |
141 | }) |
132 | 142 | ||
133 | #define hypercall3(id, p1, p2, p3) \ |
143 | #define hypercall3(id, p1, p2, p3) \ |
134 | ({ \ |
144 | ({ \ |
135 | unative_t ret, __ign1, __ign2, __ign3; \ |
145 | unative_t ret, __ign1, __ign2, __ign3; \ |
136 | asm volatile ( \ |
146 | asm volatile ( \ |
137 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
147 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
138 | : "=a" (ret), \ |
148 | : "=a" (ret), \ |
139 | "=b" (__ign1), \ |
149 | "=b" (__ign1), \ |
140 | "=c" (__ign2), \ |
150 | "=c" (__ign2), \ |
141 | "=d" (__ign3) \ |
151 | "=d" (__ign3) \ |
142 | : "1" (p1), \ |
152 | : "1" (p1), \ |
143 | "2" (p2), \ |
153 | "2" (p2), \ |
144 | "3" (p3) \ |
154 | "3" (p3) \ |
145 | : "memory" \ |
155 | : "memory" \ |
146 | ); \ |
156 | ); \ |
147 | ret; \ |
157 | ret; \ |
148 | }) |
158 | }) |
149 | 159 | ||
150 | #define hypercall4(id, p1, p2, p3, p4) \ |
160 | #define hypercall4(id, p1, p2, p3, p4) \ |
151 | ({ \ |
161 | ({ \ |
152 | unative_t ret, __ign1, __ign2, __ign3, __ign4; \ |
162 | unative_t ret, __ign1, __ign2, __ign3, __ign4; \ |
153 | asm volatile ( \ |
163 | asm volatile ( \ |
154 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
164 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
155 | : "=a" (ret), \ |
165 | : "=a" (ret), \ |
156 | "=b" (__ign1), \ |
166 | "=b" (__ign1), \ |
157 | "=c" (__ign2), \ |
167 | "=c" (__ign2), \ |
158 | "=d" (__ign3), \ |
168 | "=d" (__ign3), \ |
159 | "=S" (__ign4) \ |
169 | "=S" (__ign4) \ |
160 | : "1" (p1), \ |
170 | : "1" (p1), \ |
161 | "2" (p2), \ |
171 | "2" (p2), \ |
162 | "3" (p3), \ |
172 | "3" (p3), \ |
163 | "4" (p4) \ |
173 | "4" (p4) \ |
164 | : "memory" \ |
174 | : "memory" \ |
165 | ); \ |
175 | ); \ |
166 | ret; \ |
176 | ret; \ |
167 | }) |
177 | }) |
168 | 178 | ||
169 | #define hypercall5(id, p1, p2, p3, p4, p5) \ |
179 | #define hypercall5(id, p1, p2, p3, p4, p5) \ |
170 | ({ \ |
180 | ({ \ |
171 | unative_t ret, __ign1, __ign2, __ign3, __ign4, __ign5; \ |
181 | unative_t ret, __ign1, __ign2, __ign3, __ign4, __ign5; \ |
172 | asm volatile ( \ |
182 | asm volatile ( \ |
173 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
183 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
174 | : "=a" (ret), \ |
184 | : "=a" (ret), \ |
175 | "=b" (__ign1), \ |
185 | "=b" (__ign1), \ |
176 | "=c" (__ign2), \ |
186 | "=c" (__ign2), \ |
177 | "=d" (__ign3), \ |
187 | "=d" (__ign3), \ |
178 | "=S" (__ign4), \ |
188 | "=S" (__ign4), \ |
179 | "=D" (__ign5) \ |
189 | "=D" (__ign5) \ |
180 | : "1" (p1), \ |
190 | : "1" (p1), \ |
181 | "2" (p2), \ |
191 | "2" (p2), \ |
182 | "3" (p3), \ |
192 | "3" (p3), \ |
183 | "4" (p4), \ |
193 | "4" (p4), \ |
184 | "5" (p5) \ |
194 | "5" (p5) \ |
185 | : "memory" \ |
195 | : "memory" \ |
186 | ); \ |
196 | ); \ |
187 | ret; \ |
197 | ret; \ |
188 | }) |
198 | }) |
189 | 199 | ||
190 | 200 | ||
191 | static inline int xen_console_io(const unsigned int cmd, const unsigned int count, const char *str) |
201 | static inline int xen_console_io(const unsigned int cmd, const unsigned int count, const char *str) |
192 | { |
202 | { |
193 | return hypercall3(XEN_CONSOLE_IO, cmd, count, str); |
203 | return hypercall3(XEN_CONSOLE_IO, cmd, count, str); |
194 | } |
204 | } |
195 | 205 | ||
196 | static inline int xen_vm_assist(const unsigned int cmd, const unsigned int type) |
206 | static inline int xen_vm_assist(const unsigned int cmd, const unsigned int type) |
197 | { |
207 | { |
198 | return hypercall2(XEN_VM_ASSIST, cmd, type); |
208 | return hypercall2(XEN_VM_ASSIST, cmd, type); |
199 | } |
209 | } |
- | 210 | ||
- | 211 | static inline int xen_set_callbacks(const unsigned int event_selector, const void *event_address, const unsigned int failsafe_selector, void *failsafe_address) |
|
- | 212 | { |
|
- | 213 | return hypercall4(XEN_SET_CALLBACKS, event_selector, event_address, failsafe_selector, failsafe_address); |
|
- | 214 | } |
|
- | 215 | ||
- | 216 | static inline int xen_set_trap_table(const trap_info_t *table) |
|
- | 217 | { |
|
- | 218 | return hypercall1(XEN_SET_TRAP_TABLE, table); |
|
- | 219 | } |
|
200 | 220 | ||
201 | #endif |
221 | #endif |
202 | 222 |