1/* 2 * Beat hypervisor call I/F 3 * 4 * (C) Copyright 2007 TOSHIBA CORPORATION 5 * 6 * This code is based on arch/powerpc/platforms/pseries/plpar_wrapper.h. 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License along 19 * with this program; if not, write to the Free Software Foundation, Inc., 20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 21 */ 22#ifndef BEAT_HCALL 23#include "beat_syscall.h" 24 25/* defined in hvCall.S */ 26extern s64 beat_hcall_norets(u64 opcode, ...); 27extern s64 beat_hcall_norets8(u64 opcode, u64 arg1, u64 arg2, u64 arg3, 28 u64 arg4, u64 arg5, u64 arg6, u64 arg7, u64 arg8); 29extern s64 beat_hcall1(u64 opcode, u64 retbuf[1], ...); 30extern s64 beat_hcall2(u64 opcode, u64 retbuf[2], ...); 31extern s64 beat_hcall3(u64 opcode, u64 retbuf[3], ...); 32extern s64 beat_hcall4(u64 opcode, u64 retbuf[4], ...); 33extern s64 beat_hcall5(u64 opcode, u64 retbuf[5], ...); 34extern s64 beat_hcall6(u64 opcode, u64 retbuf[6], ...); 35 36static inline s64 beat_downcount_of_interrupt(u64 plug_id) 37{ 38 return beat_hcall_norets(HV_downcount_of_interrupt, plug_id); 39} 40 41static inline s64 beat_set_interrupt_mask(u64 index, 42 u64 val0, u64 val1, u64 val2, u64 val3) 43{ 44 return beat_hcall_norets(HV_set_interrupt_mask, index, 45 val0, val1, val2, val3); 46} 47 48static inline s64 beat_destruct_irq_plug(u64 plug_id) 49{ 50 return beat_hcall_norets(HV_destruct_irq_plug, plug_id); 51} 52 53static inline s64 beat_construct_and_connect_irq_plug(u64 plug_id, 54 u64 outlet_id) 55{ 56 return beat_hcall_norets(HV_construct_and_connect_irq_plug, plug_id, 57 outlet_id); 58} 59 60static inline s64 beat_detect_pending_interrupts(u64 index, u64 *retbuf) 61{ 62 return beat_hcall4(HV_detect_pending_interrupts, retbuf, index); 63} 64 65static inline s64 beat_pause(u64 style) 66{ 67 return beat_hcall_norets(HV_pause, style); 68} 69 70static inline s64 beat_read_htab_entries(u64 htab_id, u64 index, u64 *retbuf) 71{ 72 return beat_hcall5(HV_read_htab_entries, retbuf, htab_id, index); 73} 74 75static inline s64 beat_insert_htab_entry(u64 htab_id, u64 group, 76 u64 bitmask, u64 hpte_v, u64 hpte_r, u64 *slot) 77{ 78 u64 dummy[3]; 79 s64 ret; 80 81 ret = beat_hcall3(HV_insert_htab_entry, dummy, htab_id, group, 82 bitmask, hpte_v, hpte_r); 83 *slot = dummy[0]; 84 return ret; 85} 86 87static inline s64 beat_write_htab_entry(u64 htab_id, u64 slot, 88 u64 hpte_v, u64 hpte_r, u64 mask_v, u64 mask_r, 89 u64 *ret_v, u64 *ret_r) 90{ 91 u64 dummy[2]; 92 s64 ret; 93 94 ret = beat_hcall2(HV_write_htab_entry, dummy, htab_id, slot, 95 hpte_v, hpte_r, mask_v, mask_r); 96 *ret_v = dummy[0]; 97 *ret_r = dummy[1]; 98 return ret; 99} 100 101static inline void beat_shutdown_logical_partition(u64 code) 102{ 103 (void)beat_hcall_norets(HV_shutdown_logical_partition, code); 104} 105 106static inline s64 beat_rtc_write(u64 time_from_epoch) 107{ 108 return beat_hcall_norets(HV_rtc_write, time_from_epoch); 109} 110 111static inline s64 beat_rtc_read(u64 *time_from_epoch) 112{ 113 u64 dummy[1]; 114 s64 ret; 115 116 ret = beat_hcall1(HV_rtc_read, dummy); 117 *time_from_epoch = dummy[0]; 118 return ret; 119} 120 121#define BEAT_NVRW_CNT (sizeof(u64) * 6) 122 123static inline s64 beat_eeprom_write(u64 index, u64 length, u8 *buffer) 124{ 125 u64 b[6]; 126 127 if (length > BEAT_NVRW_CNT) 128 return -1; 129 memcpy(b, buffer, sizeof(b)); 130 return beat_hcall_norets8(HV_eeprom_write, index, length, 131 b[0], b[1], b[2], b[3], b[4], b[5]); 132} 133 134static inline s64 beat_eeprom_read(u64 index, u64 length, u8 *buffer) 135{ 136 u64 b[6]; 137 s64 ret; 138 139 if (length > BEAT_NVRW_CNT) 140 return -1; 141 ret = beat_hcall6(HV_eeprom_read, b, index, length); 142 memcpy(buffer, b, length); 143 return ret; 144} 145 146static inline s64 beat_set_dabr(u64 value, u64 style) 147{ 148 return beat_hcall_norets(HV_set_dabr, value, style); 149} 150 151static inline s64 beat_get_characters_from_console(u64 termno, u64 *len, 152 u8 *buffer) 153{ 154 u64 dummy[3]; 155 s64 ret; 156 157 ret = beat_hcall3(HV_get_characters_from_console, dummy, termno, len); 158 *len = dummy[0]; 159 memcpy(buffer, dummy + 1, *len); 160 return ret; 161} 162 163static inline s64 beat_put_characters_to_console(u64 termno, u64 len, 164 u8 *buffer) 165{ 166 u64 b[2]; 167 168 memcpy(b, buffer, len); 169 return beat_hcall_norets(HV_put_characters_to_console, termno, len, b[0], b[1]); 170} 171 172static inline s64 beat_get_spe_privileged_state_1_registers( 173 u64 id, u64 offsetof, u64 *value) 174{ 175 u64 dummy[1]; 176 s64 ret; 177 178 ret = beat_hcall1(HV_get_spe_privileged_state_1_registers, dummy, id, 179 offsetof); 180 *value = dummy[0]; 181 return ret; 182} 183 184static inline s64 beat_set_irq_mask_for_spe(u64 id, u64 class, u64 mask) 185{ 186 return beat_hcall_norets(HV_set_irq_mask_for_spe, id, class, mask); 187} 188 189static inline s64 beat_clear_interrupt_status_of_spe(u64 id, u64 class, 190 u64 mask) 191{ 192 return beat_hcall_norets(HV_clear_interrupt_status_of_spe, 193 id, class, mask); 194} 195 196static inline s64 beat_set_spe_privileged_state_1_registers( 197 u64 id, u64 offsetof, u64 value) 198{ 199 return beat_hcall_norets(HV_set_spe_privileged_state_1_registers, 200 id, offsetof, value); 201} 202 203static inline s64 beat_get_interrupt_status_of_spe(u64 id, u64 class, u64 *val) 204{ 205 u64 dummy[1]; 206 s64 ret; 207 208 ret = beat_hcall1(HV_get_interrupt_status_of_spe, dummy, id, class); 209 *val = dummy[0]; 210 return ret; 211} 212 213static inline s64 beat_put_iopte(u64 ioas_id, u64 io_addr, u64 real_addr, 214 u64 ioid, u64 flags) 215{ 216 return beat_hcall_norets(HV_put_iopte, ioas_id, io_addr, real_addr, 217 ioid, flags); 218} 219 220#endif 221