Rev 1829 | Rev 1831 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
1813 | decky | 1 | /* |
2 | * Copyright (C) 2006 Martin Decky |
||
3 | * All rights reserved. |
||
4 | * |
||
5 | * Redistribution and use in source and binary forms, with or without |
||
6 | * modification, are permitted provided that the following conditions |
||
7 | * are met: |
||
8 | * |
||
9 | * - Redistributions of source code must retain the above copyright |
||
10 | * notice, this list of conditions and the following disclaimer. |
||
11 | * - Redistributions in binary form must reproduce the above copyright |
||
12 | * notice, this list of conditions and the following disclaimer in the |
||
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 |
||
15 | * derived from this software without specific prior written permission. |
||
16 | * |
||
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 |
||
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
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 |
||
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 |
||
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
27 | */ |
||
28 | |||
29 | #ifndef __xen32_HYPERCALL_H__ |
||
30 | #define __xen32_HYPERCALL_H__ |
||
31 | |||
32 | #include <arch/types.h> |
||
1816 | decky | 33 | #include <macros.h> |
1813 | decky | 34 | |
1816 | decky | 35 | |
1817 | decky | 36 | typedef uint16_t domid_t; |
37 | |||
38 | |||
1829 | decky | 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 |
||
1824 | decky | 48 | #define XEN_MMU_UPDATE 1 |
1829 | decky | 49 | #define XEN_SET_CALLBACKS 4 |
1824 | decky | 50 | #define XEN_UPDATE_VA_MAPPING 14 |
1830 | decky | 51 | #define XEN_VERSION 17 |
1824 | decky | 52 | #define XEN_CONSOLE_IO 18 |
53 | #define XEN_VM_ASSIST 21 |
||
54 | #define XEN_MMUEXT_OP 26 |
||
1817 | decky | 55 | |
56 | |||
1816 | decky | 57 | /* |
58 | * Commands for XEN_CONSOLE_IO |
||
59 | */ |
||
60 | #define CONSOLE_IO_WRITE 0 |
||
61 | #define CONSOLE_IO_READ 1 |
||
62 | |||
63 | |||
1817 | decky | 64 | #define MMUEXT_PIN_L1_TABLE 0 |
65 | #define MMUEXT_PIN_L2_TABLE 1 |
||
66 | #define MMUEXT_PIN_L3_TABLE 2 |
||
67 | #define MMUEXT_PIN_L4_TABLE 3 |
||
68 | #define MMUEXT_UNPIN_TABLE 4 |
||
69 | #define MMUEXT_NEW_BASEPTR 5 |
||
70 | #define MMUEXT_TLB_FLUSH_LOCAL 6 |
||
71 | #define MMUEXT_INVLPG_LOCAL 7 |
||
72 | #define MMUEXT_TLB_FLUSH_MULTI 8 |
||
73 | #define MMUEXT_INVLPG_MULTI 9 |
||
74 | #define MMUEXT_TLB_FLUSH_ALL 10 |
||
75 | #define MMUEXT_INVLPG_ALL 11 |
||
76 | #define MMUEXT_FLUSH_CACHE 12 |
||
77 | #define MMUEXT_SET_LDT 13 |
||
78 | #define MMUEXT_NEW_USER_BASEPTR 15 |
||
79 | |||
80 | |||
1824 | decky | 81 | #define UVMF_NONE 0 /**< No flushing at all */ |
82 | #define UVMF_TLB_FLUSH 1 /**< Flush entire TLB(s) */ |
||
83 | #define UVMF_INVLPG 2 /**< Flush only one entry */ |
||
84 | #define UVMF_FLUSHTYPE_MASK 3 |
||
85 | #define UVMF_MULTI 0 /**< Flush subset of TLBs */ |
||
86 | #define UVMF_LOCAL 0 /**< Flush local TLB */ |
||
87 | #define UVMF_ALL (1 << 2) /**< Flush all TLBs */ |
||
88 | |||
89 | |||
90 | /* |
||
91 | * Commands to XEN_VM_ASSIST |
||
92 | */ |
||
93 | #define VMASST_CMD_ENABLE 0 |
||
94 | #define VMASST_CMD_DISABLE 1 |
||
95 | #define VMASST_TYPE_4GB_SEGMENTS 0 |
||
96 | #define VMASST_TYPE_4GB_SEGMENTS_NOTIFY 1 |
||
97 | #define VMASST_TYPE_WRITABLE_PAGETABLES 2 |
||
98 | |||
99 | |||
1817 | decky | 100 | #define DOMID_SELF (0x7FF0U) |
101 | #define DOMID_IO (0x7FF1U) |
||
102 | |||
103 | |||
1830 | decky | 104 | #define force_evtchn_callback() ((void) xen_version(0, 0)) |
105 | |||
1813 | decky | 106 | #define hypercall0(id) \ |
107 | ({ \ |
||
108 | unative_t ret; \ |
||
109 | asm volatile ( \ |
||
110 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
||
111 | : "=a" (ret) \ |
||
112 | : \ |
||
113 | : "memory" \ |
||
114 | ); \ |
||
115 | ret; \ |
||
116 | }) |
||
117 | |||
118 | #define hypercall1(id, p1) \ |
||
119 | ({ \ |
||
120 | unative_t ret, __ign1; \ |
||
121 | asm volatile ( \ |
||
122 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
||
123 | : "=a" (ret), \ |
||
124 | "=b" (__ign1) \ |
||
125 | : "1" (p1) \ |
||
126 | : "memory" \ |
||
127 | ); \ |
||
128 | ret; \ |
||
129 | }) |
||
130 | |||
131 | #define hypercall2(id, p1, p2) \ |
||
132 | ({ \ |
||
133 | unative_t ret, __ign1, __ign2; \ |
||
134 | asm volatile ( \ |
||
135 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
||
136 | : "=a" (ret), \ |
||
137 | "=b" (__ign1), \ |
||
138 | "=c" (__ign2) \ |
||
139 | : "1" (p1), \ |
||
140 | "2" (p2) \ |
||
141 | : "memory" \ |
||
142 | ); \ |
||
143 | ret; \ |
||
144 | }) |
||
145 | |||
146 | #define hypercall3(id, p1, p2, p3) \ |
||
147 | ({ \ |
||
148 | unative_t ret, __ign1, __ign2, __ign3; \ |
||
149 | asm volatile ( \ |
||
150 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
||
151 | : "=a" (ret), \ |
||
152 | "=b" (__ign1), \ |
||
153 | "=c" (__ign2), \ |
||
154 | "=d" (__ign3) \ |
||
155 | : "1" (p1), \ |
||
156 | "2" (p2), \ |
||
1816 | decky | 157 | "3" (p3) \ |
1813 | decky | 158 | : "memory" \ |
159 | ); \ |
||
160 | ret; \ |
||
161 | }) |
||
162 | |||
163 | #define hypercall4(id, p1, p2, p3, p4) \ |
||
164 | ({ \ |
||
165 | unative_t ret, __ign1, __ign2, __ign3, __ign4; \ |
||
166 | asm volatile ( \ |
||
167 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
||
168 | : "=a" (ret), \ |
||
169 | "=b" (__ign1), \ |
||
170 | "=c" (__ign2), \ |
||
171 | "=d" (__ign3), \ |
||
172 | "=S" (__ign4) \ |
||
173 | : "1" (p1), \ |
||
174 | "2" (p2), \ |
||
175 | "3" (p3), \ |
||
1816 | decky | 176 | "4" (p4) \ |
1813 | decky | 177 | : "memory" \ |
178 | ); \ |
||
179 | ret; \ |
||
180 | }) |
||
181 | |||
182 | #define hypercall5(id, p1, p2, p3, p4, p5) \ |
||
183 | ({ \ |
||
1816 | decky | 184 | unative_t ret, __ign1, __ign2, __ign3, __ign4, __ign5; \ |
1813 | decky | 185 | asm volatile ( \ |
186 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
||
187 | : "=a" (ret), \ |
||
188 | "=b" (__ign1), \ |
||
189 | "=c" (__ign2), \ |
||
190 | "=d" (__ign3), \ |
||
191 | "=S" (__ign4), \ |
||
192 | "=D" (__ign5) \ |
||
193 | : "1" (p1), \ |
||
194 | "2" (p2), \ |
||
195 | "3" (p3), \ |
||
196 | "4" (p4), \ |
||
1816 | decky | 197 | "5" (p5) \ |
1813 | decky | 198 | : "memory" \ |
199 | ); \ |
||
200 | ret; \ |
||
201 | }) |
||
202 | |||
203 | |||
1817 | decky | 204 | static inline int xen_console_io(const unsigned int cmd, const unsigned int count, const char *str) |
1813 | decky | 205 | { |
206 | return hypercall3(XEN_CONSOLE_IO, cmd, count, str); |
||
207 | } |
||
208 | |||
1824 | decky | 209 | static inline int xen_vm_assist(const unsigned int cmd, const unsigned int type) |
1817 | decky | 210 | { |
1824 | decky | 211 | return hypercall2(XEN_VM_ASSIST, cmd, type); |
1817 | decky | 212 | } |
213 | |||
1829 | decky | 214 | static inline int xen_set_callbacks(const unsigned int event_selector, const void *event_address, const unsigned int failsafe_selector, void *failsafe_address) |
215 | { |
||
216 | return hypercall4(XEN_SET_CALLBACKS, event_selector, event_address, failsafe_selector, failsafe_address); |
||
217 | } |
||
218 | |||
219 | static inline int xen_set_trap_table(const trap_info_t *table) |
||
220 | { |
||
221 | return hypercall1(XEN_SET_TRAP_TABLE, table); |
||
222 | } |
||
223 | |||
1830 | decky | 224 | static inline int xen_version(const unsigned int cmd, const void *arg) |
225 | { |
||
226 | return hypercall2(XEN_VERSION, cmd, arg); |
||
227 | } |
||
228 | |||
1813 | decky | 229 | #endif |