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1813 | decky | 1 | /* |
2 | * Copyright (C) 2006 Martin Decky |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
29 | #ifndef __xen32_HYPERCALL_H__ |
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30 | #define __xen32_HYPERCALL_H__ |
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31 | |||
32 | #include <arch/types.h> |
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1816 | decky | 33 | #include <macros.h> |
1813 | decky | 34 | |
1816 | decky | 35 | |
1817 | decky | 36 | typedef uint16_t domid_t; |
37 | |||
38 | typedef struct { |
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39 | uint64_t ptr; /**< Machine address of PTE */ |
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40 | uint64_t val; /**< New contents of PTE */ |
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41 | } mmu_update_t; |
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42 | |||
43 | typedef struct { |
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44 | unsigned int cmd; |
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45 | union { |
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46 | unsigned long mfn; |
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47 | unsigned long linear_addr; |
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48 | } arg1; |
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49 | union { |
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50 | unsigned int nr_ents; |
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51 | void *vcpumask; |
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52 | } arg2; |
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53 | } mmuext_op_t; |
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54 | |||
55 | |||
56 | #define XEN_MMU_UPDATE 1 |
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1816 | decky | 57 | #define XEN_CONSOLE_IO 18 |
1817 | decky | 58 | #define XEN_MMUEXT_OP 26 |
1816 | decky | 59 | |
60 | |||
61 | /* |
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62 | * Commands for XEN_CONSOLE_IO |
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63 | */ |
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64 | #define CONSOLE_IO_WRITE 0 |
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65 | #define CONSOLE_IO_READ 1 |
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66 | |||
67 | |||
1817 | decky | 68 | #define MMUEXT_PIN_L1_TABLE 0 |
69 | #define MMUEXT_PIN_L2_TABLE 1 |
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70 | #define MMUEXT_PIN_L3_TABLE 2 |
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71 | #define MMUEXT_PIN_L4_TABLE 3 |
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72 | #define MMUEXT_UNPIN_TABLE 4 |
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73 | #define MMUEXT_NEW_BASEPTR 5 |
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74 | #define MMUEXT_TLB_FLUSH_LOCAL 6 |
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75 | #define MMUEXT_INVLPG_LOCAL 7 |
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76 | #define MMUEXT_TLB_FLUSH_MULTI 8 |
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77 | #define MMUEXT_INVLPG_MULTI 9 |
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78 | #define MMUEXT_TLB_FLUSH_ALL 10 |
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79 | #define MMUEXT_INVLPG_ALL 11 |
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80 | #define MMUEXT_FLUSH_CACHE 12 |
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81 | #define MMUEXT_SET_LDT 13 |
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82 | #define MMUEXT_NEW_USER_BASEPTR 15 |
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83 | |||
84 | |||
85 | #define DOMID_SELF (0x7FF0U) |
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86 | #define DOMID_IO (0x7FF1U) |
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87 | |||
88 | |||
1813 | decky | 89 | #define hypercall0(id) \ |
90 | ({ \ |
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91 | unative_t ret; \ |
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92 | asm volatile ( \ |
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93 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
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94 | : "=a" (ret) \ |
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95 | : \ |
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96 | : "memory" \ |
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97 | ); \ |
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98 | ret; \ |
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99 | }) |
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100 | |||
101 | #define hypercall1(id, p1) \ |
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102 | ({ \ |
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103 | unative_t ret, __ign1; \ |
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104 | asm volatile ( \ |
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105 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
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106 | : "=a" (ret), \ |
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107 | "=b" (__ign1) \ |
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108 | : "1" (p1) \ |
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109 | : "memory" \ |
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110 | ); \ |
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111 | ret; \ |
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112 | }) |
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113 | |||
114 | #define hypercall2(id, p1, p2) \ |
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115 | ({ \ |
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116 | unative_t ret, __ign1, __ign2; \ |
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117 | asm volatile ( \ |
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118 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
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119 | : "=a" (ret), \ |
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120 | "=b" (__ign1), \ |
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121 | "=c" (__ign2) \ |
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122 | : "1" (p1), \ |
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123 | "2" (p2) \ |
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124 | : "memory" \ |
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125 | ); \ |
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126 | ret; \ |
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127 | }) |
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128 | |||
129 | #define hypercall3(id, p1, p2, p3) \ |
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130 | ({ \ |
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131 | unative_t ret, __ign1, __ign2, __ign3; \ |
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132 | asm volatile ( \ |
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133 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
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134 | : "=a" (ret), \ |
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135 | "=b" (__ign1), \ |
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136 | "=c" (__ign2), \ |
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137 | "=d" (__ign3) \ |
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138 | : "1" (p1), \ |
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139 | "2" (p2), \ |
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1816 | decky | 140 | "3" (p3) \ |
1813 | decky | 141 | : "memory" \ |
142 | ); \ |
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143 | ret; \ |
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144 | }) |
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145 | |||
146 | #define hypercall4(id, p1, p2, p3, p4) \ |
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147 | ({ \ |
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148 | unative_t ret, __ign1, __ign2, __ign3, __ign4; \ |
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149 | asm volatile ( \ |
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150 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
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151 | : "=a" (ret), \ |
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152 | "=b" (__ign1), \ |
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153 | "=c" (__ign2), \ |
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154 | "=d" (__ign3), \ |
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155 | "=S" (__ign4) \ |
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156 | : "1" (p1), \ |
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157 | "2" (p2), \ |
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158 | "3" (p3), \ |
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1816 | decky | 159 | "4" (p4) \ |
1813 | decky | 160 | : "memory" \ |
161 | ); \ |
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162 | ret; \ |
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163 | }) |
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164 | |||
165 | #define hypercall5(id, p1, p2, p3, p4, p5) \ |
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166 | ({ \ |
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1816 | decky | 167 | unative_t ret, __ign1, __ign2, __ign3, __ign4, __ign5; \ |
1813 | decky | 168 | asm volatile ( \ |
169 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
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170 | : "=a" (ret), \ |
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171 | "=b" (__ign1), \ |
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172 | "=c" (__ign2), \ |
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173 | "=d" (__ign3), \ |
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174 | "=S" (__ign4), \ |
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175 | "=D" (__ign5) \ |
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176 | : "1" (p1), \ |
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177 | "2" (p2), \ |
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178 | "3" (p3), \ |
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179 | "4" (p4), \ |
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1816 | decky | 180 | "5" (p5) \ |
1813 | decky | 181 | : "memory" \ |
182 | ); \ |
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183 | ret; \ |
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184 | }) |
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185 | |||
186 | |||
1817 | decky | 187 | static inline int xen_console_io(const unsigned int cmd, const unsigned int count, const char *str) |
1813 | decky | 188 | { |
189 | return hypercall3(XEN_CONSOLE_IO, cmd, count, str); |
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190 | } |
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191 | |||
1817 | decky | 192 | static inline int xen_mmu_update(const mmu_update_t *req, const unsigned int count, unsigned int *success_count, domid_t domid) |
193 | { |
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194 | return hypercall4(XEN_MMU_UPDATE, req, count, success_count, domid); |
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195 | } |
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196 | |||
197 | static inline int xen_mmuext_op(const mmuext_op_t *op, const unsigned int count, unsigned int *success_count, domid_t domid) |
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198 | { |
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199 | return hypercall4(XEN_MMUEXT_OP, op, count, success_count, domid); |
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200 | } |
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201 | |||
1813 | decky | 202 | #endif |