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Ishizaki Koub8a590c2007-02-02 16:36:27 +09001/*
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
Ishizaki Kou7f2c8572007-10-02 18:23:46 +1000101static inline s64 beat_insert_htab_entry3(u64 htab_id, u64 group,
102 u64 hpte_v, u64 hpte_r, u64 mask_v, u64 value_v, u64 *slot)
103{
104 u64 dummy[1];
105 s64 ret;
106
107 ret = beat_hcall1(HV_insert_htab_entry3, dummy, htab_id, group,
108 hpte_v, hpte_r, mask_v, value_v);
109 *slot = dummy[0];
110 return ret;
111}
112
113static inline s64 beat_invalidate_htab_entry3(u64 htab_id, u64 group,
114 u64 va, u64 pss)
115{
116 return beat_hcall_norets(HV_invalidate_htab_entry3,
117 htab_id, group, va, pss);
118}
119
120static inline s64 beat_update_htab_permission3(u64 htab_id, u64 group,
121 u64 va, u64 pss, u64 ptel_mask, u64 ptel_value)
122{
123 return beat_hcall_norets(HV_update_htab_permission3,
124 htab_id, group, va, pss, ptel_mask, ptel_value);
125}
126
127static inline s64 beat_clear_htab3(u64 htab_id)
128{
129 return beat_hcall_norets(HV_clear_htab3, htab_id);
130}
131
Ishizaki Koub8a590c2007-02-02 16:36:27 +0900132static inline void beat_shutdown_logical_partition(u64 code)
133{
134 (void)beat_hcall_norets(HV_shutdown_logical_partition, code);
135}
136
137static inline s64 beat_rtc_write(u64 time_from_epoch)
138{
139 return beat_hcall_norets(HV_rtc_write, time_from_epoch);
140}
141
142static inline s64 beat_rtc_read(u64 *time_from_epoch)
143{
144 u64 dummy[1];
145 s64 ret;
146
147 ret = beat_hcall1(HV_rtc_read, dummy);
148 *time_from_epoch = dummy[0];
149 return ret;
150}
151
152#define BEAT_NVRW_CNT (sizeof(u64) * 6)
153
154static inline s64 beat_eeprom_write(u64 index, u64 length, u8 *buffer)
155{
156 u64 b[6];
157
158 if (length > BEAT_NVRW_CNT)
159 return -1;
160 memcpy(b, buffer, sizeof(b));
161 return beat_hcall_norets8(HV_eeprom_write, index, length,
162 b[0], b[1], b[2], b[3], b[4], b[5]);
163}
164
165static inline s64 beat_eeprom_read(u64 index, u64 length, u8 *buffer)
166{
167 u64 b[6];
168 s64 ret;
169
170 if (length > BEAT_NVRW_CNT)
171 return -1;
172 ret = beat_hcall6(HV_eeprom_read, b, index, length);
173 memcpy(buffer, b, length);
174 return ret;
175}
176
177static inline s64 beat_set_dabr(u64 value, u64 style)
178{
179 return beat_hcall_norets(HV_set_dabr, value, style);
180}
181
182static inline s64 beat_get_characters_from_console(u64 termno, u64 *len,
183 u8 *buffer)
184{
185 u64 dummy[3];
186 s64 ret;
187
188 ret = beat_hcall3(HV_get_characters_from_console, dummy, termno, len);
189 *len = dummy[0];
190 memcpy(buffer, dummy + 1, *len);
191 return ret;
192}
193
194static inline s64 beat_put_characters_to_console(u64 termno, u64 len,
195 u8 *buffer)
196{
197 u64 b[2];
198
199 memcpy(b, buffer, len);
Ishizaki Kou2fe37a62008-03-14 23:19:34 +1100200 return beat_hcall_norets(HV_put_characters_to_console, termno, len,
201 b[0], b[1]);
Ishizaki Koub8a590c2007-02-02 16:36:27 +0900202}
203
204static inline s64 beat_get_spe_privileged_state_1_registers(
205 u64 id, u64 offsetof, u64 *value)
206{
207 u64 dummy[1];
208 s64 ret;
209
210 ret = beat_hcall1(HV_get_spe_privileged_state_1_registers, dummy, id,
211 offsetof);
212 *value = dummy[0];
213 return ret;
214}
215
216static inline s64 beat_set_irq_mask_for_spe(u64 id, u64 class, u64 mask)
217{
218 return beat_hcall_norets(HV_set_irq_mask_for_spe, id, class, mask);
219}
220
221static inline s64 beat_clear_interrupt_status_of_spe(u64 id, u64 class,
222 u64 mask)
223{
224 return beat_hcall_norets(HV_clear_interrupt_status_of_spe,
225 id, class, mask);
226}
227
228static inline s64 beat_set_spe_privileged_state_1_registers(
229 u64 id, u64 offsetof, u64 value)
230{
231 return beat_hcall_norets(HV_set_spe_privileged_state_1_registers,
232 id, offsetof, value);
233}
234
235static inline s64 beat_get_interrupt_status_of_spe(u64 id, u64 class, u64 *val)
236{
237 u64 dummy[1];
238 s64 ret;
239
240 ret = beat_hcall1(HV_get_interrupt_status_of_spe, dummy, id, class);
241 *val = dummy[0];
242 return ret;
243}
244
245static inline s64 beat_put_iopte(u64 ioas_id, u64 io_addr, u64 real_addr,
246 u64 ioid, u64 flags)
247{
248 return beat_hcall_norets(HV_put_iopte, ioas_id, io_addr, real_addr,
249 ioid, flags);
250}
251
Ishizaki Kou7f2c8572007-10-02 18:23:46 +1000252static inline s64 beat_construct_event_receive_port(u64 *port)
253{
254 u64 dummy[1];
255 s64 ret;
256
257 ret = beat_hcall1(HV_construct_event_receive_port, dummy);
258 *port = dummy[0];
259 return ret;
260}
261
262static inline s64 beat_destruct_event_receive_port(u64 port)
263{
264 s64 ret;
265
266 ret = beat_hcall_norets(HV_destruct_event_receive_port, port);
267 return ret;
268}
269
270static inline s64 beat_create_repository_node(u64 path[4], u64 data[2])
271{
272 s64 ret;
273
274 ret = beat_hcall_norets(HV_create_repository_node2,
275 path[0], path[1], path[2], path[3], data[0], data[1]);
276 return ret;
277}
278
279static inline s64 beat_get_repository_node_value(u64 lpid, u64 path[4],
280 u64 data[2])
281{
282 s64 ret;
283
284 ret = beat_hcall2(HV_get_repository_node_value2, data,
285 lpid, path[0], path[1], path[2], path[3]);
286 return ret;
287}
288
Ishizaki Koub8a590c2007-02-02 16:36:27 +0900289#endif