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#define hv_send_nmi _hv_send_nmi 79#include <hv/hypervisor.h> 80#undef hv_init 81#undef hv_install_context 82#undef hv_sysconf 83#undef hv_get_rtc 84#undef hv_set_rtc 85#undef hv_flush_asid 86#undef hv_flush_page 87#undef hv_flush_pages 88#undef hv_restart 89#undef hv_halt 90#undef hv_power_off 91#undef hv_inquire_physical 92#undef hv_inquire_memory_controller 93#undef hv_inquire_virtual 94#undef hv_inquire_asid 95#undef hv_nanosleep 96#undef hv_console_read_if_ready 97#undef hv_console_write 98#undef hv_downcall_dispatch 99#undef hv_inquire_topology 100#undef hv_fs_findfile 101#undef hv_fs_fstat 102#undef hv_fs_pread 103#undef hv_physaddr_read64 104#undef hv_physaddr_write64 105#undef hv_get_command_line 106#undef hv_set_caching 107#undef hv_bzero_page 108#undef hv_register_message_state 109#undef hv_send_message 110#undef hv_receive_message 111#undef hv_inquire_context 112#undef hv_start_all_tiles 113#undef hv_dev_open 114#undef hv_dev_close 115#undef hv_dev_pread 116#undef hv_dev_pwrite 117#undef hv_dev_poll 118#undef hv_dev_poll_cancel 119#undef hv_dev_preada 120#undef hv_dev_pwritea 121#undef hv_flush_remote 122#undef hv_console_putc 123#undef hv_inquire_tiles 124#undef hv_confstr 125#undef hv_reexec 126#undef hv_set_command_line 127#undef hv_clear_intr 128#undef hv_enable_intr 129#undef hv_disable_intr 130#undef hv_raise_intr 131#undef hv_trigger_ipi 132#undef hv_store_mapping 133#undef hv_inquire_realpa 134#undef hv_flush_all 135#undef hv_get_ipi_pte 136#undef hv_set_pte_super_shift 137#undef hv_console_set_ipi 138#undef hv_send_nmi 139 140/* 141 * Provide macros based on <linux/syscalls.h> to provide a wrapper 142 * function that invokes the same function with an underscore prefix. 143 * We can't use the existing __SC_xxx macros because we need to 144 * support up to nine arguments rather than up to six, and also this 145 * way the file stands alone from possible changes in the 146 * implementation of <linux/syscalls.h>. 147 */ 148#define HV_WRAP0(type, name) \ 149 type name(void); \ 150 type name(void) \ 151 { \ 152 return _##name(); \ 153 } 154#define __HV_DECL1(t1, a1) t1 a1 155#define __HV_DECL2(t2, a2, ...) t2 a2, __HV_DECL1(__VA_ARGS__) 156#define __HV_DECL3(t3, a3, ...) t3 a3, __HV_DECL2(__VA_ARGS__) 157#define __HV_DECL4(t4, a4, ...) t4 a4, __HV_DECL3(__VA_ARGS__) 158#define __HV_DECL5(t5, a5, ...) t5 a5, __HV_DECL4(__VA_ARGS__) 159#define __HV_DECL6(t6, a6, ...) t6 a6, __HV_DECL5(__VA_ARGS__) 160#define __HV_DECL7(t7, a7, ...) t7 a7, __HV_DECL6(__VA_ARGS__) 161#define __HV_DECL8(t8, a8, ...) t8 a8, __HV_DECL7(__VA_ARGS__) 162#define __HV_DECL9(t9, a9, ...) t9 a9, __HV_DECL8(__VA_ARGS__) 163#define __HV_PASS1(t1, a1) a1 164#define __HV_PASS2(t2, a2, ...) a2, __HV_PASS1(__VA_ARGS__) 165#define __HV_PASS3(t3, a3, ...) a3, __HV_PASS2(__VA_ARGS__) 166#define __HV_PASS4(t4, a4, ...) a4, __HV_PASS3(__VA_ARGS__) 167#define __HV_PASS5(t5, a5, ...) a5, __HV_PASS4(__VA_ARGS__) 168#define __HV_PASS6(t6, a6, ...) a6, __HV_PASS5(__VA_ARGS__) 169#define __HV_PASS7(t7, a7, ...) a7, __HV_PASS6(__VA_ARGS__) 170#define __HV_PASS8(t8, a8, ...) a8, __HV_PASS7(__VA_ARGS__) 171#define __HV_PASS9(t9, a9, ...) a9, __HV_PASS8(__VA_ARGS__) 172#define HV_WRAPx(x, type, name, ...) \ 173 type name(__HV_DECL##x(__VA_ARGS__)); \ 174 type name(__HV_DECL##x(__VA_ARGS__)) \ 175 { \ 176 return _##name(__HV_PASS##x(__VA_ARGS__)); \ 177 } 178#define HV_WRAP1(type, name, ...) HV_WRAPx(1, type, name, __VA_ARGS__) 179#define HV_WRAP2(type, name, ...) HV_WRAPx(2, type, name, __VA_ARGS__) 180#define HV_WRAP3(type, name, ...) HV_WRAPx(3, type, name, __VA_ARGS__) 181#define HV_WRAP4(type, name, ...) HV_WRAPx(4, type, name, __VA_ARGS__) 182#define HV_WRAP5(type, name, ...) HV_WRAPx(5, type, name, __VA_ARGS__) 183#define HV_WRAP6(type, name, ...) HV_WRAPx(6, type, name, __VA_ARGS__) 184#define HV_WRAP7(type, name, ...) HV_WRAPx(7, type, name, __VA_ARGS__) 185#define HV_WRAP8(type, name, ...) HV_WRAPx(8, type, name, __VA_ARGS__) 186#define HV_WRAP9(type, name, ...) HV_WRAPx(9, type, name, __VA_ARGS__) 187 188/* List all the hypervisor API functions. */ 189HV_WRAP4(void, hv_init, HV_VersionNumber, interface_version_number, 190 int, chip_num, int, chip_rev_num, int, client_pl) 191HV_WRAP1(long, hv_sysconf, HV_SysconfQuery, query) 192HV_WRAP3(int, hv_confstr, HV_ConfstrQuery, query, HV_VirtAddr, buf, int, len) 193#if CHIP_HAS_IPI() 194HV_WRAP3(int, hv_get_ipi_pte, HV_Coord, tile, int, pl, HV_PTE*, pte) 195HV_WRAP3(int, hv_console_set_ipi, int, ipi, int, event, HV_Coord, coord); 196#else 197HV_WRAP1(void, hv_enable_intr, HV_IntrMask, enab_mask) 198HV_WRAP1(void, hv_disable_intr, HV_IntrMask, disab_mask) 199HV_WRAP1(void, hv_clear_intr, HV_IntrMask, clear_mask) 200HV_WRAP1(void, hv_raise_intr, HV_IntrMask, raise_mask) 201HV_WRAP2(HV_Errno, hv_trigger_ipi, HV_Coord, tile, int, interrupt) 202#endif /* !CHIP_HAS_IPI() */ 203HV_WRAP3(int, hv_store_mapping, HV_VirtAddr, va, unsigned int, len, 204 HV_PhysAddr, pa) 205HV_WRAP2(HV_PhysAddr, hv_inquire_realpa, HV_PhysAddr, cpa, unsigned int, len) 206HV_WRAP0(HV_RTCTime, hv_get_rtc) 207HV_WRAP1(void, hv_set_rtc, HV_RTCTime, time) 208HV_WRAP4(int, hv_install_context, HV_PhysAddr, page_table, HV_PTE, access, 209 HV_ASID, asid, __hv32, flags) 210HV_WRAP2(int, hv_set_pte_super_shift, int, level, int, log2_count) 211HV_WRAP0(HV_Context, hv_inquire_context) 212HV_WRAP1(int, hv_flush_asid, HV_ASID, asid) 213HV_WRAP2(int, hv_flush_page, HV_VirtAddr, address, HV_PageSize, page_size) 214HV_WRAP3(int, hv_flush_pages, HV_VirtAddr, start, HV_PageSize, page_size, 215 unsigned long, size) 216HV_WRAP1(int, hv_flush_all, int, preserve_global) 217HV_WRAP2(void, hv_restart, HV_VirtAddr, cmd, HV_VirtAddr, args) 218HV_WRAP0(void, hv_halt) 219HV_WRAP0(void, hv_power_off) 220HV_WRAP1(int, hv_reexec, HV_PhysAddr, entry) 221HV_WRAP0(HV_Topology, hv_inquire_topology) 222HV_WRAP3(HV_Errno, hv_inquire_tiles, HV_InqTileSet, set, HV_VirtAddr, cpumask, 223 int, length) 224HV_WRAP1(HV_PhysAddrRange, hv_inquire_physical, int, idx) 225HV_WRAP2(HV_MemoryControllerInfo, hv_inquire_memory_controller, HV_Coord, coord, 226 int, controller) 227HV_WRAP1(HV_VirtAddrRange, hv_inquire_virtual, int, idx) 228HV_WRAP1(HV_ASIDRange, hv_inquire_asid, int, idx) 229HV_WRAP1(void, hv_nanosleep, int, nanosecs) 230HV_WRAP0(int, hv_console_read_if_ready) 231HV_WRAP1(void, hv_console_putc, int, byte) 232HV_WRAP2(int, hv_console_write, HV_VirtAddr, bytes, int, len) 233HV_WRAP0(void, hv_downcall_dispatch) 234HV_WRAP1(int, hv_fs_findfile, HV_VirtAddr, filename) 235HV_WRAP1(HV_FS_StatInfo, hv_fs_fstat, int, inode) 236HV_WRAP4(int, hv_fs_pread, int, inode, HV_VirtAddr, buf, 237 int, length, int, offset) 238HV_WRAP2(unsigned long long, hv_physaddr_read64, HV_PhysAddr, addr, 239 HV_PTE, access) 240HV_WRAP3(void, hv_physaddr_write64, HV_PhysAddr, addr, HV_PTE, access, 241 unsigned long long, val) 242HV_WRAP2(int, hv_get_command_line, HV_VirtAddr, buf, int, length) 243HV_WRAP2(HV_Errno, hv_set_command_line, HV_VirtAddr, buf, int, length) 244HV_WRAP1(void, hv_set_caching, unsigned long, bitmask) 245HV_WRAP2(void, hv_bzero_page, HV_VirtAddr, va, unsigned int, size) 246HV_WRAP1(HV_Errno, hv_register_message_state, HV_MsgState*, msgstate) 247HV_WRAP4(int, hv_send_message, HV_Recipient *, recips, int, nrecip, 248 HV_VirtAddr, buf, int, buflen) 249HV_WRAP3(HV_RcvMsgInfo, hv_receive_message, HV_MsgState, msgstate, 250 HV_VirtAddr, buf, int, buflen) 251HV_WRAP0(void, hv_start_all_tiles) 252HV_WRAP2(int, hv_dev_open, HV_VirtAddr, name, __hv32, flags) 253HV_WRAP1(int, hv_dev_close, int, devhdl) 254HV_WRAP5(int, hv_dev_pread, int, devhdl, __hv32, flags, HV_VirtAddr, va, 255 __hv32, len, __hv64, offset) 256HV_WRAP5(int, hv_dev_pwrite, int, devhdl, __hv32, flags, HV_VirtAddr, va, 257 __hv32, len, __hv64, offset) 258HV_WRAP3(int, hv_dev_poll, int, devhdl, __hv32, events, HV_IntArg, intarg) 259HV_WRAP1(int, hv_dev_poll_cancel, int, devhdl) 260HV_WRAP6(int, hv_dev_preada, int, devhdl, __hv32, flags, __hv32, sgl_len, 261 HV_SGL *, sglp, __hv64, offset, HV_IntArg, intarg) 262HV_WRAP6(int, hv_dev_pwritea, int, devhdl, __hv32, flags, __hv32, sgl_len, 263 HV_SGL *, sglp, __hv64, offset, HV_IntArg, intarg) 264HV_WRAP9(int, hv_flush_remote, HV_PhysAddr, cache_pa, 265 unsigned long, cache_control, unsigned long*, cache_cpumask, 266 HV_VirtAddr, tlb_va, unsigned long, tlb_length, 267 unsigned long, tlb_pgsize, unsigned long*, tlb_cpumask, 268 HV_Remote_ASID*, asids, int, asidcount) 269HV_WRAP3(HV_NMI_Info, hv_send_nmi, HV_Coord, tile, unsigned long, info, 270 __hv64, flags) 271