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2874c5fd 1/* SPDX-License-Identifier: GPL-2.0-or-later */
27f44888
BH
2/*
3 * PowerNV OPAL definitions.
4 *
5 * Copyright 2011 IBM Corp.
27f44888
BH
6 */
7
d800ba12
ME
8#ifndef _ASM_POWERPC_OPAL_H
9#define _ASM_POWERPC_OPAL_H
27f44888 10
d800ba12 11#include <asm/opal-api.h>
8eb8ac89 12
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BH
13#ifndef __ASSEMBLY__
14
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MN
15#include <linux/notifier.h>
16
d800ba12
ME
17/* We calculate number of sg entries based on PAGE_SIZE */
18#define SG_ENTRIES_PER_NODE ((PAGE_SIZE - 16) / sizeof(struct opal_sg_entry))
47083450 19
34dd25de
NP
20/* Default time to sleep or delay between OPAL_BUSY/OPAL_BUSY_EVENT loops */
21#define OPAL_BUSY_DELAY_MS 10
22
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VH
23/* /sys/firmware/opal */
24extern struct kobject *opal_kobj;
25
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JS
26/* /ibm,opal */
27extern struct device_node *opal_node;
28
14a43e69 29/* API functions */
e28b05e7 30int64_t opal_invalid_call(void);
1ab66d1f
AP
31int64_t opal_npu_destroy_context(uint64_t phb_id, uint64_t pid, uint64_t bdf);
32int64_t opal_npu_init_context(uint64_t phb_id, int pasid, uint64_t msr,
33 uint64_t bdf);
34int64_t opal_npu_map_lpar(uint64_t phb_id, uint64_t bdf, uint64_t lparid,
35 uint64_t lpcr);
74d656d2
FB
36int64_t opal_npu_spa_setup(uint64_t phb_id, uint32_t bdfn,
37 uint64_t addr, uint64_t PE_mask);
38int64_t opal_npu_spa_clear_cache(uint64_t phb_id, uint32_t bdfn,
39 uint64_t PE_handle);
40int64_t opal_npu_tl_set(uint64_t phb_id, uint32_t bdfn, long cap,
41 uint64_t rate_phys, uint32_t size);
4f89363b 42int64_t opal_console_write(int64_t term_number, __be64 *length,
14a43e69 43 const uint8_t *buffer);
4f89363b 44int64_t opal_console_read(int64_t term_number, __be64 *length,
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BH
45 uint8_t *buffer);
46int64_t opal_console_write_buffer_space(int64_t term_number,
4f89363b 47 __be64 *length);
c88c5d43 48int64_t opal_console_flush(int64_t term_number);
6feff6d4
AB
49int64_t opal_rtc_read(__be32 *year_month_day,
50 __be64 *hour_minute_second_millisecond);
14a43e69
BH
51int64_t opal_rtc_write(uint32_t year_month_day,
52 uint64_t hour_minute_second_millisecond);
16b1d26e
NG
53int64_t opal_tpo_read(uint64_t token, __be32 *year_mon_day, __be32 *hour_min);
54int64_t opal_tpo_write(uint64_t token, uint32_t year_mon_day,
55 uint32_t hour_min);
14a43e69
BH
56int64_t opal_cec_power_down(uint64_t request);
57int64_t opal_cec_reboot(void);
b746e3e0 58int64_t opal_cec_reboot2(uint32_t reboot_type, const char *diag);
14a43e69
BH
59int64_t opal_read_nvram(uint64_t buffer, uint64_t size, uint64_t offset);
60int64_t opal_write_nvram(uint64_t buffer, uint64_t size, uint64_t offset);
5e4da530 61int64_t opal_handle_interrupt(uint64_t isn, __be64 *outstanding_event_mask);
4f89363b 62int64_t opal_poll_events(__be64 *outstanding_event_mask);
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BH
63int64_t opal_pci_set_hub_tce_memory(uint64_t hub_id, uint64_t tce_mem_addr,
64 uint64_t tce_mem_size);
65int64_t opal_pci_set_phb_tce_memory(uint64_t phb_id, uint64_t tce_mem_addr,
66 uint64_t tce_mem_size);
67int64_t opal_pci_config_read_byte(uint64_t phb_id, uint64_t bus_dev_func,
68 uint64_t offset, uint8_t *data);
69int64_t opal_pci_config_read_half_word(uint64_t phb_id, uint64_t bus_dev_func,
5e4da530 70 uint64_t offset, __be16 *data);
14a43e69 71int64_t opal_pci_config_read_word(uint64_t phb_id, uint64_t bus_dev_func,
5e4da530 72 uint64_t offset, __be32 *data);
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BH
73int64_t opal_pci_config_write_byte(uint64_t phb_id, uint64_t bus_dev_func,
74 uint64_t offset, uint8_t data);
75int64_t opal_pci_config_write_half_word(uint64_t phb_id, uint64_t bus_dev_func,
76 uint64_t offset, uint16_t data);
77int64_t opal_pci_config_write_word(uint64_t phb_id, uint64_t bus_dev_func,
78 uint64_t offset, uint32_t data);
79int64_t opal_set_xive(uint32_t isn, uint16_t server, uint8_t priority);
5e4da530 80int64_t opal_get_xive(uint32_t isn, __be16 *server, uint8_t *priority);
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BH
81int64_t opal_register_exception_handler(uint64_t opal_exception,
82 uint64_t handler_address,
83 uint64_t glue_cache_line);
84int64_t opal_pci_eeh_freeze_status(uint64_t phb_id, uint64_t pe_number,
85 uint8_t *freeze_state,
5e4da530
AB
86 __be16 *pci_error_type,
87 __be64 *phb_status);
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BH
88int64_t opal_pci_eeh_freeze_clear(uint64_t phb_id, uint64_t pe_number,
89 uint64_t eeh_action_token);
5ca27efb
GS
90int64_t opal_pci_eeh_freeze_set(uint64_t phb_id, uint64_t pe_number,
91 uint64_t eeh_action_token);
5b642340
GS
92int64_t opal_pci_err_inject(uint64_t phb_id, uint32_t pe_no, uint32_t type,
93 uint32_t func, uint64_t addr, uint64_t mask);
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BH
94int64_t opal_pci_shpc(uint64_t phb_id, uint64_t shpc_action, uint8_t *state);
95
96
97
98int64_t opal_pci_phb_mmio_enable(uint64_t phb_id, uint16_t window_type,
99 uint16_t window_num, uint16_t enable);
100int64_t opal_pci_set_phb_mem_window(uint64_t phb_id, uint16_t window_type,
101 uint16_t window_num,
102 uint64_t starting_real_address,
103 uint64_t starting_pci_address,
262af557 104 uint64_t size);
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BH
105int64_t opal_pci_map_pe_mmio_window(uint64_t phb_id, uint16_t pe_number,
106 uint16_t window_type, uint16_t window_num,
107 uint16_t segment_num);
108int64_t opal_pci_set_phb_table_memory(uint64_t phb_id, uint64_t rtt_addr,
109 uint64_t ivt_addr, uint64_t ivt_len,
110 uint64_t reject_array_addr,
111 uint64_t peltv_addr);
112int64_t opal_pci_set_pe(uint64_t phb_id, uint64_t pe_number, uint64_t bus_dev_func,
113 uint8_t bus_compare, uint8_t dev_compare, uint8_t func_compare,
114 uint8_t pe_action);
115int64_t opal_pci_set_peltv(uint64_t phb_id, uint32_t parent_pe, uint32_t child_pe,
116 uint8_t state);
117int64_t opal_pci_set_mve(uint64_t phb_id, uint32_t mve_number, uint32_t pe_number);
118int64_t opal_pci_set_mve_enable(uint64_t phb_id, uint32_t mve_number,
119 uint32_t state);
120int64_t opal_pci_get_xive_reissue(uint64_t phb_id, uint32_t xive_number,
121 uint8_t *p_bit, uint8_t *q_bit);
122int64_t opal_pci_set_xive_reissue(uint64_t phb_id, uint32_t xive_number,
123 uint8_t p_bit, uint8_t q_bit);
137436c9 124int64_t opal_pci_msi_eoi(uint64_t phb_id, uint32_t hw_irq);
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BH
125int64_t opal_pci_set_xive_pe(uint64_t phb_id, uint32_t pe_number,
126 uint32_t xive_num);
127int64_t opal_get_xive_source(uint64_t phb_id, uint32_t xive_num,
5e4da530 128 __be32 *interrupt_source_number);
14a43e69 129int64_t opal_get_msi_32(uint64_t phb_id, uint32_t mve_number, uint32_t xive_num,
5e4da530
AB
130 uint8_t msi_range, __be32 *msi_address,
131 __be32 *message_data);
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BH
132int64_t opal_get_msi_64(uint64_t phb_id, uint32_t mve_number,
133 uint32_t xive_num, uint8_t msi_range,
5e4da530 134 __be64 *msi_address, __be32 *message_data);
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BH
135int64_t opal_start_cpu(uint64_t thread_number, uint64_t start_address);
136int64_t opal_query_cpu_status(uint64_t thread_number, uint8_t *thread_status);
137int64_t opal_write_oppanel(oppanel_line_t *lines, uint64_t num_lines);
138int64_t opal_pci_map_pe_dma_window(uint64_t phb_id, uint16_t pe_number, uint16_t window_id,
139 uint16_t tce_levels, uint64_t tce_table_addr,
140 uint64_t tce_table_size, uint64_t tce_page_size);
141int64_t opal_pci_map_pe_dma_window_real(uint64_t phb_id, uint16_t pe_number,
142 uint16_t dma_window_number, uint64_t pci_start_addr,
143 uint64_t pci_mem_size);
ebe22531 144int64_t opal_pci_reset(uint64_t id, uint8_t reset_scope, uint8_t assert_state);
14a43e69 145
23773230
GS
146int64_t opal_pci_get_hub_diag_data(uint64_t hub_id, void *diag_buffer,
147 uint64_t diag_buffer_len);
148int64_t opal_pci_get_phb_diag_data(uint64_t phb_id, void *diag_buffer,
149 uint64_t diag_buffer_len);
150int64_t opal_pci_get_phb_diag_data2(uint64_t phb_id, void *diag_buffer,
151 uint64_t diag_buffer_len);
f11fe552 152int64_t opal_pci_fence_phb(uint64_t phb_id);
9be3becc 153int64_t opal_pci_reinit(uint64_t phb_id, uint64_t reinit_scope, uint64_t data);
f11fe552
BH
154int64_t opal_pci_mask_pe_error(uint64_t phb_id, uint16_t pe_number, uint8_t error_type, uint8_t mask_action);
155int64_t opal_set_slot_led_status(uint64_t phb_id, uint64_t slot_id, uint8_t led_type, uint8_t led_action);
3b476aad
VP
156int64_t opal_get_epow_status(__be16 *epow_status, __be16 *num_epow_classes);
157int64_t opal_get_dpo_status(__be64 *dpo_timeout);
f11fe552 158int64_t opal_set_system_attention_led(uint8_t led_action);
ddf0322a
GC
159int64_t opal_pci_next_error(uint64_t phb_id, __be64 *first_frozen_pe,
160 __be16 *pci_error_type, __be16 *severity);
ebe22531 161int64_t opal_pci_poll(uint64_t id);
13906db6 162int64_t opal_return_cpu(void);
bffe6bda 163int64_t opal_check_token(uint64_t token);
4926616c 164int64_t opal_reinit_cpus(uint64_t flags);
f11fe552 165
2f3f38e4
BH
166int64_t opal_xscom_read(uint32_t gcid, uint64_t pcb_addr, __be64 *val);
167int64_t opal_xscom_write(uint32_t gcid, uint64_t pcb_addr, uint64_t val);
cc0efb57
BH
168
169int64_t opal_lpc_write(uint32_t chip_id, enum OpalLPCAddressType addr_type,
170 uint32_t addr, uint32_t data, uint32_t sz);
171int64_t opal_lpc_read(uint32_t chip_id, enum OpalLPCAddressType addr_type,
803c2d2f 172 uint32_t addr, __be32 *data, uint32_t sz);
774fea1a 173
2bad7423 174int64_t opal_read_elog(uint64_t buffer, uint64_t size, uint64_t log_id);
14ad0c58 175int64_t opal_get_elog_size(__be64 *log_id, __be64 *size, __be64 *elog_type);
774fea1a
SS
176int64_t opal_write_elog(uint64_t buffer, uint64_t size, uint64_t offset);
177int64_t opal_send_ack_elog(uint64_t log_id);
178void opal_resend_pending_logs(void);
179
50bd6153
VH
180int64_t opal_validate_flash(uint64_t buffer, uint32_t *size, uint32_t *result);
181int64_t opal_manage_flash(uint8_t op);
182int64_t opal_update_flash(uint64_t blk_list);
c7e64b9c 183int64_t opal_dump_init(uint8_t dump_type);
2d6b63bb
AB
184int64_t opal_dump_info(__be32 *dump_id, __be32 *dump_size);
185int64_t opal_dump_info2(__be32 *dump_id, __be32 *dump_size, __be32 *dump_type);
c7e64b9c
SS
186int64_t opal_dump_read(uint32_t dump_id, uint64_t buffer);
187int64_t opal_dump_ack(uint32_t dump_id);
188int64_t opal_dump_resend_notification(void);
cc0efb57 189
2bad7423 190int64_t opal_get_msg(uint64_t buffer, uint64_t size);
43a1dd9b
SJS
191int64_t opal_write_oppanel_async(uint64_t token, oppanel_line_t *lines,
192 uint64_t num_lines);
2bad7423 193int64_t opal_check_completion(uint64_t buffer, uint64_t size, uint64_t token);
f7d98d18 194int64_t opal_sync_host_reboot(void);
4029cd66 195int64_t opal_get_param(uint64_t token, uint32_t param_id, uint64_t buffer,
2bad7423 196 uint64_t length);
4029cd66 197int64_t opal_set_param(uint64_t token, uint32_t param_id, uint64_t buffer,
2bad7423 198 uint64_t length);
9000c17d 199int64_t opal_sensor_read(uint32_t sensor_hndl, int token, __be32 *sensor_data);
5cdcb01e 200int64_t opal_sensor_read_u64(u32 sensor_hndl, int token, __be64 *sensor_data);
0ef95b41 201int64_t opal_handle_hmi(void);
de269129 202int64_t opal_handle_hmi2(__be64 *out_flags);
b09c2ec4
VH
203int64_t opal_register_dump_region(uint32_t id, uint64_t start, uint64_t end);
204int64_t opal_unregister_dump_region(uint32_t id);
77b54e9f 205int64_t opal_slw_set_reg(uint64_t cpu_pir, uint64_t sprn, uint64_t val);
5703d2f4 206int64_t opal_config_cpu_idle_state(uint64_t state, uint64_t flag);
09521736 207int64_t opal_pci_set_phb_cxl_mode(uint64_t phb_id, uint64_t mode, uint64_t pe_number);
d6a90bb8
PB
208int64_t opal_pci_get_pbcq_tunnel_bar(uint64_t phb_id, uint64_t *addr);
209int64_t opal_pci_set_pbcq_tunnel_bar(uint64_t phb_id, uint64_t addr);
608b286d
JK
210int64_t opal_ipmi_send(uint64_t interface, struct opal_ipmi_msg *msg,
211 uint64_t msg_len);
212int64_t opal_ipmi_recv(uint64_t interface, struct opal_ipmi_msg *msg,
213 uint64_t *msg_len);
47083450
NG
214int64_t opal_i2c_request(uint64_t async_token, uint32_t bus_id,
215 struct opal_i2c_request *oreq);
0d7cd855 216int64_t opal_prd_msg(struct opal_prd_msg *msg);
8a8d9181
AK
217int64_t opal_leds_get_ind(char *loc_code, __be64 *led_mask,
218 __be64 *led_value, __be64 *max_led_type);
219int64_t opal_leds_set_ind(uint64_t token, char *loc_code, const u64 led_mask,
220 const u64 led_value, __be64 *max_led_type);
24366360 221
ed59190e
CB
222int64_t opal_flash_read(uint64_t id, uint64_t offset, uint64_t buf,
223 uint64_t size, uint64_t token);
224int64_t opal_flash_write(uint64_t id, uint64_t offset, uint64_t buf,
225 uint64_t size, uint64_t token);
226int64_t opal_flash_erase(uint64_t id, uint64_t offset, uint64_t size,
227 uint64_t token);
ea0d856c
GS
228int64_t opal_get_device_tree(uint32_t phandle, uint64_t buf, uint64_t len);
229int64_t opal_pci_get_presence_state(uint64_t id, uint64_t data);
230int64_t opal_pci_get_power_state(uint64_t id, uint64_t data);
231int64_t opal_pci_set_power_state(uint64_t async_token, uint64_t id,
232 uint64_t data);
233int64_t opal_pci_poll2(uint64_t id, uint64_t data);
ed59190e 234
9fedd3f8
BH
235int64_t opal_int_get_xirr(uint32_t *out_xirr, bool just_poll);
236int64_t opal_int_set_cppr(uint8_t cppr);
237int64_t opal_int_eoi(uint32_t xirr);
238int64_t opal_int_set_mfrr(uint32_t cpu, uint8_t mfrr);
69c592ed
BH
239int64_t opal_pci_tce_kill(uint64_t phb_id, uint32_t kill_type,
240 uint32_t pe_num, uint32_t tce_size,
241 uint64_t dma_addr, uint32_t npages);
1d0761d2 242int64_t opal_nmmu_set_ptcr(uint64_t chip_id, uint64_t ptcr);
eeea1a43
BH
243int64_t opal_xive_reset(uint64_t version);
244int64_t opal_xive_get_irq_info(uint32_t girq,
245 __be64 *out_flags,
246 __be64 *out_eoi_page,
247 __be64 *out_trig_page,
248 __be32 *out_esb_shift,
249 __be32 *out_src_chip);
250int64_t opal_xive_get_irq_config(uint32_t girq, __be64 *out_vp,
251 uint8_t *out_prio, __be32 *out_lirq);
252int64_t opal_xive_set_irq_config(uint32_t girq, uint64_t vp, uint8_t prio,
253 uint32_t lirq);
254int64_t opal_xive_get_queue_info(uint64_t vp, uint32_t prio,
255 __be64 *out_qpage,
256 __be64 *out_qsize,
257 __be64 *out_qeoi_page,
258 __be32 *out_escalate_irq,
259 __be64 *out_qflags);
260int64_t opal_xive_set_queue_info(uint64_t vp, uint32_t prio,
261 uint64_t qpage,
262 uint64_t qsize,
263 uint64_t qflags);
264int64_t opal_xive_donate_page(uint32_t chip_id, uint64_t addr);
265int64_t opal_xive_alloc_vp_block(uint32_t alloc_order);
266int64_t opal_xive_free_vp_block(uint64_t vp);
267int64_t opal_xive_get_vp_info(uint64_t vp,
268 __be64 *out_flags,
269 __be64 *out_cam_value,
270 __be64 *out_report_cl_pair,
271 __be32 *out_chip_id);
272int64_t opal_xive_set_vp_info(uint64_t vp,
273 uint64_t flags,
274 uint64_t report_cl_pair);
275int64_t opal_xive_allocate_irq(uint32_t chip_id);
276int64_t opal_xive_free_irq(uint32_t girq);
277int64_t opal_xive_sync(uint32_t type, uint32_t id);
278int64_t opal_xive_dump(uint32_t type, uint32_t id);
88ec6b93
CLG
279int64_t opal_xive_get_queue_state(uint64_t vp, uint32_t prio,
280 __be32 *out_qtoggle,
281 __be32 *out_qindex);
282int64_t opal_xive_set_queue_state(uint64_t vp, uint32_t prio,
283 uint32_t qtoggle,
284 uint32_t qindex);
285int64_t opal_xive_get_vp_state(uint64_t vp, __be64 *out_w01);
25529100
FB
286int64_t opal_pci_set_p2p(uint64_t phb_init, uint64_t phb_target,
287 uint64_t desc, uint16_t pe_number);
9fedd3f8 288
28a5db00
MS
289int64_t opal_imc_counters_init(uint32_t type, uint64_t address,
290 uint64_t cpu_pir);
291int64_t opal_imc_counters_start(uint32_t type, uint64_t cpu_pir);
292int64_t opal_imc_counters_stop(uint32_t type, uint64_t cpu_pir);
293
cb8b340d
SB
294int opal_get_powercap(u32 handle, int token, u32 *pcap);
295int opal_set_powercap(u32 handle, int token, u32 pcap);
8e84b2d1
SB
296int opal_get_power_shift_ratio(u32 handle, int token, u32 *psr);
297int opal_set_power_shift_ratio(u32 handle, int token, u32 psr);
bf957155 298int opal_sensor_group_clear(u32 group_hndl, int token);
04baaf28 299int opal_sensor_group_enable(u32 group_hndl, int token, bool enable);
656ecc16 300int opal_nx_coproc_init(uint32_t chip_id, uint32_t ct);
cb8b340d 301
e36d0a2e 302s64 opal_signal_system_reset(s32 cpu);
ee03b9b4 303s64 opal_quiesce(u64 shutdown_type, s32 cpu);
e36d0a2e 304
14a43e69 305/* Internal functions */
e2c8b93e
AB
306extern int early_init_dt_scan_opal(unsigned long node, const char *uname,
307 int depth, void *data);
55672ecf
MS
308extern int early_init_dt_scan_recoverable_ranges(unsigned long node,
309 const char *uname, int depth, void *data);
d3cbff1b 310extern void opal_configure_cores(void);
14a43e69
BH
311
312extern int opal_get_chars(uint32_t vtermno, char *buf, int count);
313extern int opal_put_chars(uint32_t vtermno, const char *buf, int total_len);
17cc1dd4 314extern int opal_put_chars_atomic(uint32_t vtermno, const char *buf, int total_len);
95b861a7 315extern int opal_flush_chars(uint32_t vtermno, bool wait);
d2a2262e 316extern int opal_flush_console(uint32_t vtermno);
14a43e69
BH
317
318extern void hvc_opal_init_early(void);
319
1bc98de2 320extern int opal_notifier_register(struct notifier_block *nb);
798af00c
BH
321extern int opal_notifier_unregister(struct notifier_block *nb);
322
d7cf83fc 323extern int opal_message_notifier_register(enum opal_msg_type msg_type,
24366360 324 struct notifier_block *nb);
df60f576 325extern int opal_message_notifier_unregister(enum opal_msg_type msg_type,
b921e902 326 struct notifier_block *nb);
1bc98de2
GS
327extern void opal_notifier_enable(void);
328extern void opal_notifier_disable(void);
329extern void opal_notifier_update_evt(uint64_t evt_mask, uint64_t evt_val);
330
8d724823 331extern int opal_async_get_token_interruptible(void);
8d724823
NG
332extern int opal_async_release_token(int token);
333extern int opal_async_wait_response(uint64_t token, struct opal_msg *msg);
9aab2449
CB
334extern int opal_async_wait_response_interruptible(uint64_t token,
335 struct opal_msg *msg);
7224adbb 336extern int opal_get_sensor_data(u32 sensor_hndl, u32 *sensor_data);
5cdcb01e 337extern int opal_get_sensor_data_u64(u32 sensor_hndl, u64 *sensor_data);
04baaf28 338extern int sensor_group_enable(u32 grp_hndl, bool enable);
8d724823 339
628daa8d 340struct rtc_time;
5bfd6435 341extern time64_t opal_get_boot_time(void);
628daa8d 342extern void opal_nvram_init(void);
ed59190e 343extern void opal_flash_update_init(void);
f2748bdf 344extern void opal_flash_update_print_message(void);
774fea1a 345extern int opal_elog_init(void);
c7e64b9c 346extern void opal_platform_dump_init(void);
4029cd66 347extern void opal_sys_param_init(void);
bfc36894 348extern void opal_msglog_init(void);
9b4fffa1 349extern void opal_msglog_sysfs_init(void);
96e023e7
AP
350extern int opal_async_comp_init(void);
351extern int opal_sensor_init(void);
352extern int opal_hmi_handler_init(void);
9f0fd049 353extern int opal_event_init(void);
08fb726d 354int opal_power_control_init(void);
628daa8d 355
ed79ba9e 356extern int opal_machine_check(struct pt_regs *regs);
55672ecf 357extern bool opal_mce_check_early_recovery(struct pt_regs *regs);
0869b6fd 358extern int opal_hmi_exception_early(struct pt_regs *regs);
de269129 359extern int opal_hmi_exception_early2(struct pt_regs *regs);
0869b6fd 360extern int opal_handle_hmi_exception(struct pt_regs *regs);
ed79ba9e 361
73ed148a 362extern void opal_shutdown(void);
97eb001f 363extern int opal_resync_timebase(void);
73ed148a 364
3fafe9c2
BH
365extern void opal_lpc_init(void);
366
affddff6
RC
367extern void opal_kmsg_init(void);
368
9f0fd049
AP
369extern int opal_event_request(unsigned int opal_event_nr);
370
3441f04b
AB
371struct opal_sg_list *opal_vmalloc_to_sg_list(void *vmalloc_addr,
372 unsigned long vmalloc_size);
373void opal_free_sg_list(struct opal_sg_list *sg);
374
e3c5c2e0
CLG
375extern int opal_error_code(int rc);
376
9b4fffa1
AD
377ssize_t opal_msglog_copy(char *to, loff_t pos, size_t count);
378
d0226d31
SJS
379static inline int opal_get_async_rc(struct opal_msg msg)
380{
381 if (msg.msg_type != OPAL_MSG_ASYNC_COMP)
382 return OPAL_PARAMETER;
383 else
384 return be64_to_cpu(msg.params[1]);
385}
386
a203658b
BH
387void opal_wake_poller(void);
388
cb8b340d 389void opal_powercap_init(void);
8e84b2d1 390void opal_psr_init(void);
bf957155 391void opal_sensor_groups_init(void);
cb8b340d 392
14a43e69 393#endif /* __ASSEMBLY__ */
27f44888 394
d800ba12 395#endif /* _ASM_POWERPC_OPAL_H */