linux/arch/powerpc/platforms/cell/beat_wrapper.h
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   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 */
  27extern s64 beat_hcall_norets(u64 opcode, ...);
  28extern s64 beat_hcall_norets8(u64 opcode, u64 arg1, u64 arg2, u64 arg3,
  29        u64 arg4, u64 arg5, u64 arg6, u64 arg7, u64 arg8);
  30extern s64 beat_hcall1(u64 opcode, u64 retbuf[1], ...);
  31extern s64 beat_hcall2(u64 opcode, u64 retbuf[2], ...);
  32extern s64 beat_hcall3(u64 opcode, u64 retbuf[3], ...);
  33extern s64 beat_hcall4(u64 opcode, u64 retbuf[4], ...);
  34extern s64 beat_hcall5(u64 opcode, u64 retbuf[5], ...);
  35extern s64 beat_hcall6(u64 opcode, u64 retbuf[6], ...);
  36
  37static inline s64 beat_downcount_of_interrupt(u64 plug_id)
  38{
  39        return beat_hcall_norets(HV_downcount_of_interrupt, plug_id);
  40}
  41
  42static 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
  49static inline s64 beat_destruct_irq_plug(u64 plug_id)
  50{
  51        return beat_hcall_norets(HV_destruct_irq_plug, plug_id);
  52}
  53
  54static 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
  61static inline s64 beat_detect_pending_interrupts(u64 index, u64 *retbuf)
  62{
  63        return beat_hcall4(HV_detect_pending_interrupts, retbuf, index);
  64}
  65
  66static inline s64 beat_pause(u64 style)
  67{
  68        return beat_hcall_norets(HV_pause, style);
  69}
  70
  71static 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
  76static 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
  88static 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
 102static 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
 114static 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
 121static 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
 128static inline s64 beat_clear_htab3(u64 htab_id)
 129{
 130        return beat_hcall_norets(HV_clear_htab3, htab_id);
 131}
 132
 133static inline void beat_shutdown_logical_partition(u64 code)
 134{
 135        (void)beat_hcall_norets(HV_shutdown_logical_partition, code);
 136}
 137
 138static inline s64 beat_rtc_write(u64 time_from_epoch)
 139{
 140        return beat_hcall_norets(HV_rtc_write, time_from_epoch);
 141}
 142
 143static 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
 155static 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
 166static 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
 178static inline s64 beat_set_dabr(u64 value, u64 style)
 179{
 180        return beat_hcall_norets(HV_set_dabr, value, style);
 181}
 182
 183static 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
 195static 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
 205static 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
 217static 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
 222static 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
 229static 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
 236static 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
 246static 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
 253static 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
 263static 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
 271static 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
 280static 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
 291