1 /* 2 * Copyright 2013 Tilera Corporation. All Rights Reserved. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation, version 2. 7 * 8 * This program is distributed in the hope that it will be useful, but 9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or 11 * NON INFRINGEMENT. See the GNU General Public License for 12 * more details. 13 */ 14 15 /* 16 * Pull in the hypervisor header so we declare all the ABI functions 17 * with the underscore versions, then undef the names so that we can 18 * provide our own wrapper versions. 19 */ 20 #define hv_init _hv_init 21 #define hv_install_context _hv_install_context 22 #define hv_sysconf _hv_sysconf 23 #define hv_get_rtc _hv_get_rtc 24 #define hv_set_rtc _hv_set_rtc 25 #define hv_flush_asid _hv_flush_asid 26 #define hv_flush_page _hv_flush_page 27 #define hv_flush_pages _hv_flush_pages 28 #define hv_restart _hv_restart 29 #define hv_halt _hv_halt 30 #define hv_power_off _hv_power_off 31 #define hv_inquire_physical _hv_inquire_physical 32 #define hv_inquire_memory_controller _hv_inquire_memory_controller 33 #define hv_inquire_virtual _hv_inquire_virtual 34 #define hv_inquire_asid _hv_inquire_asid 35 #define hv_nanosleep _hv_nanosleep 36 #define hv_console_read_if_ready _hv_console_read_if_ready 37 #define hv_console_write _hv_console_write 38 #define hv_downcall_dispatch _hv_downcall_dispatch 39 #define hv_inquire_topology _hv_inquire_topology 40 #define hv_fs_findfile _hv_fs_findfile 41 #define hv_fs_fstat _hv_fs_fstat 42 #define hv_fs_pread _hv_fs_pread 43 #define hv_physaddr_read64 _hv_physaddr_read64 44 #define hv_physaddr_write64 _hv_physaddr_write64 45 #define hv_get_command_line _hv_get_command_line 46 #define hv_set_caching _hv_set_caching 47 #define hv_bzero_page _hv_bzero_page 48 #define hv_register_message_state _hv_register_message_state 49 #define hv_send_message _hv_send_message 50 #define hv_receive_message _hv_receive_message 51 #define hv_inquire_context _hv_inquire_context 52 #define hv_start_all_tiles _hv_start_all_tiles 53 #define hv_dev_open _hv_dev_open 54 #define hv_dev_close _hv_dev_close 55 #define hv_dev_pread _hv_dev_pread 56 #define hv_dev_pwrite _hv_dev_pwrite 57 #define hv_dev_poll _hv_dev_poll 58 #define hv_dev_poll_cancel _hv_dev_poll_cancel 59 #define hv_dev_preada _hv_dev_preada 60 #define hv_dev_pwritea _hv_dev_pwritea 61 #define hv_flush_remote _hv_flush_remote 62 #define hv_console_putc _hv_console_putc 63 #define hv_inquire_tiles _hv_inquire_tiles 64 #define hv_confstr _hv_confstr 65 #define hv_reexec _hv_reexec 66 #define hv_set_command_line _hv_set_command_line 67 #define hv_clear_intr _hv_clear_intr 68 #define hv_enable_intr _hv_enable_intr 69 #define hv_disable_intr _hv_disable_intr 70 #define hv_raise_intr _hv_raise_intr 71 #define hv_trigger_ipi _hv_trigger_ipi 72 #define hv_store_mapping _hv_store_mapping 73 #define hv_inquire_realpa _hv_inquire_realpa 74 #define hv_flush_all _hv_flush_all 75 #define hv_get_ipi_pte _hv_get_ipi_pte 76 #define hv_set_pte_super_shift _hv_set_pte_super_shift 77 #define hv_console_set_ipi _hv_console_set_ipi 78 #include <hv/hypervisor.h> 79 #undef hv_init 80 #undef hv_install_context 81 #undef hv_sysconf 82 #undef hv_get_rtc 83 #undef hv_set_rtc 84 #undef hv_flush_asid 85 #undef hv_flush_page 86 #undef hv_flush_pages 87 #undef hv_restart 88 #undef hv_halt 89 #undef hv_power_off 90 #undef hv_inquire_physical 91 #undef hv_inquire_memory_controller 92 #undef hv_inquire_virtual 93 #undef hv_inquire_asid 94 #undef hv_nanosleep 95 #undef hv_console_read_if_ready 96 #undef hv_console_write 97 #undef hv_downcall_dispatch 98 #undef hv_inquire_topology 99 #undef hv_fs_findfile 100 #undef hv_fs_fstat 101 #undef hv_fs_pread 102 #undef hv_physaddr_read64 103 #undef hv_physaddr_write64 104 #undef hv_get_command_line 105 #undef hv_set_caching 106 #undef hv_bzero_page 107 #undef hv_register_message_state 108 #undef hv_send_message 109 #undef hv_receive_message 110 #undef hv_inquire_context 111 #undef hv_start_all_tiles 112 #undef hv_dev_open 113 #undef hv_dev_close 114 #undef hv_dev_pread 115 #undef hv_dev_pwrite 116 #undef hv_dev_poll 117 #undef hv_dev_poll_cancel 118 #undef hv_dev_preada 119 #undef hv_dev_pwritea 120 #undef hv_flush_remote 121 #undef hv_console_putc 122 #undef hv_inquire_tiles 123 #undef hv_confstr 124 #undef hv_reexec 125 #undef hv_set_command_line 126 #undef hv_clear_intr 127 #undef hv_enable_intr 128 #undef hv_disable_intr 129 #undef hv_raise_intr 130 #undef hv_trigger_ipi 131 #undef hv_store_mapping 132 #undef hv_inquire_realpa 133 #undef hv_flush_all 134 #undef hv_get_ipi_pte 135 #undef hv_set_pte_super_shift 136 #undef hv_console_set_ipi 137 138 /* 139 * Provide macros based on <linux/syscalls.h> to provide a wrapper 140 * function that invokes the same function with an underscore prefix. 141 * We can't use the existing __SC_xxx macros because we need to 142 * support up to nine arguments rather than up to six, and also this 143 * way the file stands alone from possible changes in the 144 * implementation of <linux/syscalls.h>. 145 */ 146 #define HV_WRAP0(type, name) \ 147 type name(void); \ 148 type name(void) \ 149 { \ 150 return _##name(); \ 151 } 152 #define __HV_DECL1(t1, a1) t1 a1 153 #define __HV_DECL2(t2, a2, ...) t2 a2, __HV_DECL1(__VA_ARGS__) 154 #define __HV_DECL3(t3, a3, ...) t3 a3, __HV_DECL2(__VA_ARGS__) 155 #define __HV_DECL4(t4, a4, ...) t4 a4, __HV_DECL3(__VA_ARGS__) 156 #define __HV_DECL5(t5, a5, ...) t5 a5, __HV_DECL4(__VA_ARGS__) 157 #define __HV_DECL6(t6, a6, ...) t6 a6, __HV_DECL5(__VA_ARGS__) 158 #define __HV_DECL7(t7, a7, ...) t7 a7, __HV_DECL6(__VA_ARGS__) 159 #define __HV_DECL8(t8, a8, ...) t8 a8, __HV_DECL7(__VA_ARGS__) 160 #define __HV_DECL9(t9, a9, ...) t9 a9, __HV_DECL8(__VA_ARGS__) 161 #define __HV_PASS1(t1, a1) a1 162 #define __HV_PASS2(t2, a2, ...) a2, __HV_PASS1(__VA_ARGS__) 163 #define __HV_PASS3(t3, a3, ...) a3, __HV_PASS2(__VA_ARGS__) 164 #define __HV_PASS4(t4, a4, ...) a4, __HV_PASS3(__VA_ARGS__) 165 #define __HV_PASS5(t5, a5, ...) a5, __HV_PASS4(__VA_ARGS__) 166 #define __HV_PASS6(t6, a6, ...) a6, __HV_PASS5(__VA_ARGS__) 167 #define __HV_PASS7(t7, a7, ...) a7, __HV_PASS6(__VA_ARGS__) 168 #define __HV_PASS8(t8, a8, ...) a8, __HV_PASS7(__VA_ARGS__) 169 #define __HV_PASS9(t9, a9, ...) a9, __HV_PASS8(__VA_ARGS__) 170 #define HV_WRAPx(x, type, name, ...) \ 171 type name(__HV_DECL##x(__VA_ARGS__)); \ 172 type name(__HV_DECL##x(__VA_ARGS__)) \ 173 { \ 174 return _##name(__HV_PASS##x(__VA_ARGS__)); \ 175 } 176 #define HV_WRAP1(type, name, ...) HV_WRAPx(1, type, name, __VA_ARGS__) 177 #define HV_WRAP2(type, name, ...) HV_WRAPx(2, type, name, __VA_ARGS__) 178 #define HV_WRAP3(type, name, ...) HV_WRAPx(3, type, name, __VA_ARGS__) 179 #define HV_WRAP4(type, name, ...) HV_WRAPx(4, type, name, __VA_ARGS__) 180 #define HV_WRAP5(type, name, ...) HV_WRAPx(5, type, name, __VA_ARGS__) 181 #define HV_WRAP6(type, name, ...) HV_WRAPx(6, type, name, __VA_ARGS__) 182 #define HV_WRAP7(type, name, ...) HV_WRAPx(7, type, name, __VA_ARGS__) 183 #define HV_WRAP8(type, name, ...) HV_WRAPx(8, type, name, __VA_ARGS__) 184 #define HV_WRAP9(type, name, ...) HV_WRAPx(9, type, name, __VA_ARGS__) 185 186 /* List all the hypervisor API functions. */ 187 HV_WRAP4(void, hv_init, HV_VersionNumber, interface_version_number, 188 int, chip_num, int, chip_rev_num, int, client_pl) 189 HV_WRAP1(long, hv_sysconf, HV_SysconfQuery, query) 190 HV_WRAP3(int, hv_confstr, HV_ConfstrQuery, query, HV_VirtAddr, buf, int, len) 191 #if CHIP_HAS_IPI() 192 HV_WRAP3(int, hv_get_ipi_pte, HV_Coord, tile, int, pl, HV_PTE*, pte) 193 HV_WRAP3(int, hv_console_set_ipi, int, ipi, int, event, HV_Coord, coord); 194 #else 195 HV_WRAP1(void, hv_enable_intr, HV_IntrMask, enab_mask) 196 HV_WRAP1(void, hv_disable_intr, HV_IntrMask, disab_mask) 197 HV_WRAP1(void, hv_clear_intr, HV_IntrMask, clear_mask) 198 HV_WRAP1(void, hv_raise_intr, HV_IntrMask, raise_mask) 199 HV_WRAP2(HV_Errno, hv_trigger_ipi, HV_Coord, tile, int, interrupt) 200 #endif /* !CHIP_HAS_IPI() */ 201 HV_WRAP3(int, hv_store_mapping, HV_VirtAddr, va, unsigned int, len, 202 HV_PhysAddr, pa) 203 HV_WRAP2(HV_PhysAddr, hv_inquire_realpa, HV_PhysAddr, cpa, unsigned int, len) 204 HV_WRAP0(HV_RTCTime, hv_get_rtc) 205 HV_WRAP1(void, hv_set_rtc, HV_RTCTime, time) 206 HV_WRAP4(int, hv_install_context, HV_PhysAddr, page_table, HV_PTE, access, 207 HV_ASID, asid, __hv32, flags) 208 HV_WRAP2(int, hv_set_pte_super_shift, int, level, int, log2_count) 209 HV_WRAP0(HV_Context, hv_inquire_context) 210 HV_WRAP1(int, hv_flush_asid, HV_ASID, asid) 211 HV_WRAP2(int, hv_flush_page, HV_VirtAddr, address, HV_PageSize, page_size) 212 HV_WRAP3(int, hv_flush_pages, HV_VirtAddr, start, HV_PageSize, page_size, 213 unsigned long, size) 214 HV_WRAP1(int, hv_flush_all, int, preserve_global) 215 HV_WRAP2(void, hv_restart, HV_VirtAddr, cmd, HV_VirtAddr, args) 216 HV_WRAP0(void, hv_halt) 217 HV_WRAP0(void, hv_power_off) 218 HV_WRAP1(int, hv_reexec, HV_PhysAddr, entry) 219 HV_WRAP0(HV_Topology, hv_inquire_topology) 220 HV_WRAP3(HV_Errno, hv_inquire_tiles, HV_InqTileSet, set, HV_VirtAddr, cpumask, 221 int, length) 222 HV_WRAP1(HV_PhysAddrRange, hv_inquire_physical, int, idx) 223 HV_WRAP2(HV_MemoryControllerInfo, hv_inquire_memory_controller, HV_Coord, coord, 224 int, controller) 225 HV_WRAP1(HV_VirtAddrRange, hv_inquire_virtual, int, idx) 226 HV_WRAP1(HV_ASIDRange, hv_inquire_asid, int, idx) 227 HV_WRAP1(void, hv_nanosleep, int, nanosecs) 228 HV_WRAP0(int, hv_console_read_if_ready) 229 HV_WRAP1(void, hv_console_putc, int, byte) 230 HV_WRAP2(int, hv_console_write, HV_VirtAddr, bytes, int, len) 231 HV_WRAP0(void, hv_downcall_dispatch) 232 HV_WRAP1(int, hv_fs_findfile, HV_VirtAddr, filename) 233 HV_WRAP1(HV_FS_StatInfo, hv_fs_fstat, int, inode) 234 HV_WRAP4(int, hv_fs_pread, int, inode, HV_VirtAddr, buf, 235 int, length, int, offset) 236 HV_WRAP2(unsigned long long, hv_physaddr_read64, HV_PhysAddr, addr, 237 HV_PTE, access) 238 HV_WRAP3(void, hv_physaddr_write64, HV_PhysAddr, addr, HV_PTE, access, 239 unsigned long long, val) 240 HV_WRAP2(int, hv_get_command_line, HV_VirtAddr, buf, int, length) 241 HV_WRAP2(HV_Errno, hv_set_command_line, HV_VirtAddr, buf, int, length) 242 HV_WRAP1(void, hv_set_caching, unsigned long, bitmask) 243 HV_WRAP2(void, hv_bzero_page, HV_VirtAddr, va, unsigned int, size) 244 HV_WRAP1(HV_Errno, hv_register_message_state, HV_MsgState*, msgstate) 245 HV_WRAP4(int, hv_send_message, HV_Recipient *, recips, int, nrecip, 246 HV_VirtAddr, buf, int, buflen) 247 HV_WRAP3(HV_RcvMsgInfo, hv_receive_message, HV_MsgState, msgstate, 248 HV_VirtAddr, buf, int, buflen) 249 HV_WRAP0(void, hv_start_all_tiles) 250 HV_WRAP2(int, hv_dev_open, HV_VirtAddr, name, __hv32, flags) 251 HV_WRAP1(int, hv_dev_close, int, devhdl) 252 HV_WRAP5(int, hv_dev_pread, int, devhdl, __hv32, flags, HV_VirtAddr, va, 253 __hv32, len, __hv64, offset) 254 HV_WRAP5(int, hv_dev_pwrite, int, devhdl, __hv32, flags, HV_VirtAddr, va, 255 __hv32, len, __hv64, offset) 256 HV_WRAP3(int, hv_dev_poll, int, devhdl, __hv32, events, HV_IntArg, intarg) 257 HV_WRAP1(int, hv_dev_poll_cancel, int, devhdl) 258 HV_WRAP6(int, hv_dev_preada, int, devhdl, __hv32, flags, __hv32, sgl_len, 259 HV_SGL *, sglp, __hv64, offset, HV_IntArg, intarg) 260 HV_WRAP6(int, hv_dev_pwritea, int, devhdl, __hv32, flags, __hv32, sgl_len, 261 HV_SGL *, sglp, __hv64, offset, HV_IntArg, intarg) 262 HV_WRAP9(int, hv_flush_remote, HV_PhysAddr, cache_pa, 263 unsigned long, cache_control, unsigned long*, cache_cpumask, 264 HV_VirtAddr, tlb_va, unsigned long, tlb_length, 265 unsigned long, tlb_pgsize, unsigned long*, tlb_cpumask, 266 HV_Remote_ASID*, asids, int, asidcount) 267