arch/powerpc/platforms/cell/beat_wrapper.h

   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 <linux/string.h>
  24 #include "beat_syscall.h"
  25
  26 /* defined in hvCall.S */
  27 extern s64 beat_hcall_norets(u64 opcode, ...);
  28 extern s64 beat_hcall_norets8(u64 opcode, u64 arg1, u64 arg2, u64 arg3,
  29         u64 arg4, u64 arg5, u64 arg6, u64 arg7, u64 arg8);
  30 extern s64 beat_hcall1(u64 opcode, u64 retbuf[1], ...);
  31 extern s64 beat_hcall2(u64 opcode, u64 retbuf[2], ...);
  32 extern s64 beat_hcall3(u64 opcode, u64 retbuf[3], ...);
  33 extern s64 beat_hcall4(u64 opcode, u64 retbuf[4], ...);
  34 extern s64 beat_hcall5(u64 opcode, u64 retbuf[5], ...);
  35 extern s64 beat_hcall6(u64 opcode, u64 retbuf[6], ...);
  36
  37 static inline s64 beat_downcount_of_interrupt(u64 plug_id)
  38 {
  39         return beat_hcall_norets(HV_downcount_of_interrupt, plug_id);
  40 }
  41
  42 static inline s64 beat_set_interrupt_mask(u64 index,
  43         u64 val0, u64 val1, u64 val2, u64 val3)
  44 {
  45         return beat_hcall_norets(HV_set_interrupt_mask, index,
  46                val0, val1, val2, val3);
  47 }
  48
  49 static inline s64 beat_destruct_irq_plug(u64 plug_id)
  50 {
  51         return beat_hcall_norets(HV_destruct_irq_plug, plug_id);
  52 }
  53
  54 static inline s64 beat_construct_and_connect_irq_plug(u64 plug_id,
  55         u64 outlet_id)
  56 {
  57         return beat_hcall_norets(HV_construct_and_connect_irq_plug, plug_id,
  58                outlet_id);
  59 }
  60
  61 static inline s64 beat_detect_pending_interrupts(u64 index, u64 *retbuf)
  62 {
  63         return beat_hcall4(HV_detect_pending_interrupts, retbuf, index);
  64 }
  65
  66 static inline s64 beat_pause(u64 style)
  67 {
  68         return beat_hcall_norets(HV_pause, style);
  69 }
  70
  71 static inline s64 beat_read_htab_entries(u64 htab_id, u64 index, u64 *retbuf)
  72 {
  73         return beat_hcall5(HV_read_htab_entries, retbuf, htab_id, index);
  74 }
  75
  76 static inline s64 beat_insert_htab_entry(u64 htab_id, u64 group,
  77         u64 bitmask, u64 hpte_v, u64 hpte_r, u64 *slot)
  78 {
  79         u64 dummy[3];
  80         s64 ret;
  81
  82         ret = beat_hcall3(HV_insert_htab_entry, dummy, htab_id, group,
  83                 bitmask, hpte_v, hpte_r);
  84         *slot = dummy[0];
  85         return ret;
  86 }
  87
  88 static inline s64 beat_write_htab_entry(u64 htab_id, u64 slot,
  89         u64 hpte_v, u64 hpte_r, u64 mask_v, u64 mask_r,
  90         u64 *ret_v, u64 *ret_r)
  91 {
  92         u64 dummy[2];
  93         s64 ret;
  94
  95         ret = beat_hcall2(HV_write_htab_entry, dummy, htab_id, slot,
  96                 hpte_v, hpte_r, mask_v, mask_r);
  97         *ret_v = dummy[0];
  98         *ret_r = dummy[1];
  99         return ret;
 100 }
 101
 102 static inline s64 beat_insert_htab_entry3(u64 htab_id, u64 group,
 103         u64 hpte_v, u64 hpte_r, u64 mask_v, u64 value_v, u64 *slot)
 104 {
 105         u64 dummy[1];
 106         s64 ret;
 107
 108         ret = beat_hcall1(HV_insert_htab_entry3, dummy, htab_id, group,
 109                 hpte_v, hpte_r, mask_v, value_v);
 110         *slot = dummy[0];
 111         return ret;
 112 }
 113
 114 static inline s64 beat_invalidate_htab_entry3(u64 htab_id, u64 group,
 115         u64 va, u64 pss)
 116 {
 117         return beat_hcall_norets(HV_invalidate_htab_entry3,
 118                 htab_id, group, va, pss);
 119 }
 120
 121 static inline s64 beat_update_htab_permission3(u64 htab_id, u64 group,
 122         u64 va, u64 pss, u64 ptel_mask, u64 ptel_value)
 123 {
 124         return beat_hcall_norets(HV_update_htab_permission3,
 125                 htab_id, group, va, pss, ptel_mask, ptel_value);
 126 }
 127
 128 static inline s64 beat_clear_htab3(u64 htab_id)
 129 {
 130         return beat_hcall_norets(HV_clear_htab3, htab_id);
 131 }
 132
 133 static inline void beat_shutdown_logical_partition(u64 code)
 134 {
 135         (void)beat_hcall_norets(HV_shutdown_logical_partition, code);
 136 }
 137
 138 static inline s64 beat_rtc_write(u64 time_from_epoch)
 139 {
 140         return beat_hcall_norets(HV_rtc_write, time_from_epoch);
 141 }
 142
 143 static inline s64 beat_rtc_read(u64 *time_from_epoch)
 144 {
 145         u64 dummy[1];
 146         s64 ret;
 147
 148         ret = beat_hcall1(HV_rtc_read, dummy);
 149         *time_from_epoch = dummy[0];
 150         return ret;
 151 }
 152
 153 #define BEAT_NVRW_CNT   (sizeof(u64) * 6)
 154
 155 static inline s64 beat_eeprom_write(u64 index, u64 length, u8 *buffer)
 156 {
 157         u64     b[6];
 158
 159         if (length > BEAT_NVRW_CNT)
 160                 return -1;
 161         memcpy(b, buffer, sizeof(b));
 162         return beat_hcall_norets8(HV_eeprom_write, index, length,
 163                 b[0], b[1], b[2], b[3], b[4], b[5]);
 164 }
 165
 166 static inline s64 beat_eeprom_read(u64 index, u64 length, u8 *buffer)
 167 {
 168         u64     b[6];
 169         s64     ret;
 170
 171         if (length > BEAT_NVRW_CNT)
 172                 return -1;
 173         ret = beat_hcall6(HV_eeprom_read, b, index, length);
 174         memcpy(buffer, b, length);
 175         return ret;
 176 }
 177
 178 static inline s64 beat_set_dabr(u64 value, u64 style)
 179 {
 180         return beat_hcall_norets(HV_set_dabr, value, style);
 181 }
 182
 183 static inline s64 beat_get_characters_from_console(u64 termno, u64 *len,
 184         u8 *buffer)
 185 {
 186         u64 dummy[3];
 187         s64 ret;
 188
 189         ret = beat_hcall3(HV_get_characters_from_console, dummy, termno, len);
 190         *len = dummy[0];
 191         memcpy(buffer, dummy + 1, *len);
 192         return ret;
 193 }
 194
 195 static inline s64 beat_put_characters_to_console(u64 termno, u64 len,
 196         u8 *buffer)
 197 {
 198         u64 b[2];
 199
 200         memcpy(b, buffer, len);
 201         return beat_hcall_norets(HV_put_characters_to_console, termno, len,
 202                 b[0], b[1]);
 203 }
 204
 205 static inline s64 beat_get_spe_privileged_state_1_registers(
 206                 u64 id, u64 offsetof, u64 *value)
 207 {
 208         u64 dummy[1];
 209         s64 ret;
 210
 211         ret = beat_hcall1(HV_get_spe_privileged_state_1_registers, dummy, id,
 212                 offsetof);
 213         *value = dummy[0];
 214         return ret;
 215 }
 216
 217 static inline s64 beat_set_irq_mask_for_spe(u64 id, u64 class, u64 mask)
 218 {
 219         return beat_hcall_norets(HV_set_irq_mask_for_spe, id, class, mask);
 220 }
 221
 222 static inline s64 beat_clear_interrupt_status_of_spe(u64 id, u64 class,
 223         u64 mask)
 224 {
 225         return beat_hcall_norets(HV_clear_interrupt_status_of_spe,
 226                 id, class, mask);
 227 }
 228
 229 static inline s64 beat_set_spe_privileged_state_1_registers(
 230                 u64 id, u64 offsetof, u64 value)
 231 {
 232         return beat_hcall_norets(HV_set_spe_privileged_state_1_registers,
 233                 id, offsetof, value);
 234 }
 235
 236 static inline s64 beat_get_interrupt_status_of_spe(u64 id, u64 class, u64 *val)
 237 {
 238         u64 dummy[1];
 239         s64 ret;
 240
 241         ret = beat_hcall1(HV_get_interrupt_status_of_spe, dummy, id, class);
 242         *val = dummy[0];
 243         return ret;
 244 }
 245
 246 static inline s64 beat_put_iopte(u64 ioas_id, u64 io_addr, u64 real_addr,
 247         u64 ioid, u64 flags)
 248 {
 249         return beat_hcall_norets(HV_put_iopte, ioas_id, io_addr, real_addr,
 250                 ioid, flags);
 251 }
 252
 253 static inline s64 beat_construct_event_receive_port(u64 *port)
 254 {
 255         u64 dummy[1];
 256         s64 ret;
 257
 258         ret = beat_hcall1(HV_construct_event_receive_port, dummy);
 259         *port = dummy[0];
 260         return ret;
 261 }
 262
 263 static inline s64 beat_destruct_event_receive_port(u64 port)
 264 {
 265         s64 ret;
 266
 267         ret = beat_hcall_norets(HV_destruct_event_receive_port, port);
 268         return ret;
 269 }
 270
 271 static inline s64 beat_create_repository_node(u64 path[4], u64 data[2])
 272 {
 273         s64 ret;
 274
 275         ret = beat_hcall_norets(HV_create_repository_node2,
 276                 path[0], path[1], path[2], path[3], data[0], data[1]);
 277         return ret;
 278 }
 279
 280 static inline s64 beat_get_repository_node_value(u64 lpid, u64 path[4],
 281         u64 data[2])
 282 {
 283         s64 ret;
 284
 285         ret = beat_hcall2(HV_get_repository_node_value2, data,
 286                 lpid, path[0], path[1], path[2], path[3]);
 287         return ret;
 288 }
 289
 290 #endif