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27f44888 BH |
1 | /* |
2 | * PowerNV OPAL definitions. | |
3 | * | |
4 | * Copyright 2011 IBM Corp. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version | |
9 | * 2 of the License, or (at your option) any later version. | |
10 | */ | |
11 | ||
d800ba12 ME |
12 | #ifndef _ASM_POWERPC_OPAL_H |
13 | #define _ASM_POWERPC_OPAL_H | |
27f44888 | 14 | |
d800ba12 | 15 | #include <asm/opal-api.h> |
8eb8ac89 | 16 | |
14a43e69 BH |
17 | #ifndef __ASSEMBLY__ |
18 | ||
bfd25d72 MN |
19 | #include <linux/notifier.h> |
20 | ||
d800ba12 ME |
21 | /* We calculate number of sg entries based on PAGE_SIZE */ |
22 | #define SG_ENTRIES_PER_NODE ((PAGE_SIZE - 16) / sizeof(struct opal_sg_entry)) | |
47083450 | 23 | |
6f68b5e2 VH |
24 | /* /sys/firmware/opal */ |
25 | extern struct kobject *opal_kobj; | |
26 | ||
bfc36894 JS |
27 | /* /ibm,opal */ |
28 | extern struct device_node *opal_node; | |
29 | ||
14a43e69 | 30 | /* API functions */ |
e28b05e7 | 31 | int64_t opal_invalid_call(void); |
4f89363b | 32 | int64_t opal_console_write(int64_t term_number, __be64 *length, |
14a43e69 | 33 | const uint8_t *buffer); |
4f89363b | 34 | int64_t opal_console_read(int64_t term_number, __be64 *length, |
14a43e69 BH |
35 | uint8_t *buffer); |
36 | int64_t opal_console_write_buffer_space(int64_t term_number, | |
4f89363b | 37 | __be64 *length); |
c88c5d43 | 38 | int64_t opal_console_flush(int64_t term_number); |
6feff6d4 AB |
39 | int64_t opal_rtc_read(__be32 *year_month_day, |
40 | __be64 *hour_minute_second_millisecond); | |
14a43e69 BH |
41 | int64_t opal_rtc_write(uint32_t year_month_day, |
42 | uint64_t hour_minute_second_millisecond); | |
16b1d26e NG |
43 | int64_t opal_tpo_read(uint64_t token, __be32 *year_mon_day, __be32 *hour_min); |
44 | int64_t opal_tpo_write(uint64_t token, uint32_t year_mon_day, | |
45 | uint32_t hour_min); | |
14a43e69 BH |
46 | int64_t opal_cec_power_down(uint64_t request); |
47 | int64_t opal_cec_reboot(void); | |
e784b649 | 48 | int64_t opal_cec_reboot2(uint32_t reboot_type, char *diag); |
14a43e69 BH |
49 | int64_t opal_read_nvram(uint64_t buffer, uint64_t size, uint64_t offset); |
50 | int64_t opal_write_nvram(uint64_t buffer, uint64_t size, uint64_t offset); | |
5e4da530 | 51 | int64_t opal_handle_interrupt(uint64_t isn, __be64 *outstanding_event_mask); |
4f89363b | 52 | int64_t opal_poll_events(__be64 *outstanding_event_mask); |
14a43e69 BH |
53 | int64_t opal_pci_set_hub_tce_memory(uint64_t hub_id, uint64_t tce_mem_addr, |
54 | uint64_t tce_mem_size); | |
55 | int64_t opal_pci_set_phb_tce_memory(uint64_t phb_id, uint64_t tce_mem_addr, | |
56 | uint64_t tce_mem_size); | |
57 | int64_t opal_pci_config_read_byte(uint64_t phb_id, uint64_t bus_dev_func, | |
58 | uint64_t offset, uint8_t *data); | |
59 | int64_t opal_pci_config_read_half_word(uint64_t phb_id, uint64_t bus_dev_func, | |
5e4da530 | 60 | uint64_t offset, __be16 *data); |
14a43e69 | 61 | int64_t opal_pci_config_read_word(uint64_t phb_id, uint64_t bus_dev_func, |
5e4da530 | 62 | uint64_t offset, __be32 *data); |
14a43e69 BH |
63 | int64_t opal_pci_config_write_byte(uint64_t phb_id, uint64_t bus_dev_func, |
64 | uint64_t offset, uint8_t data); | |
65 | int64_t opal_pci_config_write_half_word(uint64_t phb_id, uint64_t bus_dev_func, | |
66 | uint64_t offset, uint16_t data); | |
67 | int64_t opal_pci_config_write_word(uint64_t phb_id, uint64_t bus_dev_func, | |
68 | uint64_t offset, uint32_t data); | |
69 | int64_t opal_set_xive(uint32_t isn, uint16_t server, uint8_t priority); | |
5e4da530 | 70 | int64_t opal_get_xive(uint32_t isn, __be16 *server, uint8_t *priority); |
14a43e69 BH |
71 | int64_t opal_register_exception_handler(uint64_t opal_exception, |
72 | uint64_t handler_address, | |
73 | uint64_t glue_cache_line); | |
74 | int64_t opal_pci_eeh_freeze_status(uint64_t phb_id, uint64_t pe_number, | |
75 | uint8_t *freeze_state, | |
5e4da530 AB |
76 | __be16 *pci_error_type, |
77 | __be64 *phb_status); | |
14a43e69 BH |
78 | int64_t opal_pci_eeh_freeze_clear(uint64_t phb_id, uint64_t pe_number, |
79 | uint64_t eeh_action_token); | |
5ca27efb GS |
80 | int64_t opal_pci_eeh_freeze_set(uint64_t phb_id, uint64_t pe_number, |
81 | uint64_t eeh_action_token); | |
5b642340 GS |
82 | int64_t opal_pci_err_inject(uint64_t phb_id, uint32_t pe_no, uint32_t type, |
83 | uint32_t func, uint64_t addr, uint64_t mask); | |
14a43e69 BH |
84 | int64_t opal_pci_shpc(uint64_t phb_id, uint64_t shpc_action, uint8_t *state); |
85 | ||
86 | ||
87 | ||
88 | int64_t opal_pci_phb_mmio_enable(uint64_t phb_id, uint16_t window_type, | |
89 | uint16_t window_num, uint16_t enable); | |
90 | int64_t opal_pci_set_phb_mem_window(uint64_t phb_id, uint16_t window_type, | |
91 | uint16_t window_num, | |
92 | uint64_t starting_real_address, | |
93 | uint64_t starting_pci_address, | |
262af557 | 94 | uint64_t size); |
14a43e69 BH |
95 | int64_t opal_pci_map_pe_mmio_window(uint64_t phb_id, uint16_t pe_number, |
96 | uint16_t window_type, uint16_t window_num, | |
97 | uint16_t segment_num); | |
98 | int64_t opal_pci_set_phb_table_memory(uint64_t phb_id, uint64_t rtt_addr, | |
99 | uint64_t ivt_addr, uint64_t ivt_len, | |
100 | uint64_t reject_array_addr, | |
101 | uint64_t peltv_addr); | |
102 | int64_t opal_pci_set_pe(uint64_t phb_id, uint64_t pe_number, uint64_t bus_dev_func, | |
103 | uint8_t bus_compare, uint8_t dev_compare, uint8_t func_compare, | |
104 | uint8_t pe_action); | |
105 | int64_t opal_pci_set_peltv(uint64_t phb_id, uint32_t parent_pe, uint32_t child_pe, | |
106 | uint8_t state); | |
107 | int64_t opal_pci_set_mve(uint64_t phb_id, uint32_t mve_number, uint32_t pe_number); | |
108 | int64_t opal_pci_set_mve_enable(uint64_t phb_id, uint32_t mve_number, | |
109 | uint32_t state); | |
110 | int64_t opal_pci_get_xive_reissue(uint64_t phb_id, uint32_t xive_number, | |
111 | uint8_t *p_bit, uint8_t *q_bit); | |
112 | int64_t opal_pci_set_xive_reissue(uint64_t phb_id, uint32_t xive_number, | |
113 | uint8_t p_bit, uint8_t q_bit); | |
137436c9 | 114 | int64_t opal_pci_msi_eoi(uint64_t phb_id, uint32_t hw_irq); |
14a43e69 BH |
115 | int64_t opal_pci_set_xive_pe(uint64_t phb_id, uint32_t pe_number, |
116 | uint32_t xive_num); | |
117 | int64_t opal_get_xive_source(uint64_t phb_id, uint32_t xive_num, | |
5e4da530 | 118 | __be32 *interrupt_source_number); |
14a43e69 | 119 | int64_t opal_get_msi_32(uint64_t phb_id, uint32_t mve_number, uint32_t xive_num, |
5e4da530 AB |
120 | uint8_t msi_range, __be32 *msi_address, |
121 | __be32 *message_data); | |
14a43e69 BH |
122 | int64_t opal_get_msi_64(uint64_t phb_id, uint32_t mve_number, |
123 | uint32_t xive_num, uint8_t msi_range, | |
5e4da530 | 124 | __be64 *msi_address, __be32 *message_data); |
14a43e69 BH |
125 | int64_t opal_start_cpu(uint64_t thread_number, uint64_t start_address); |
126 | int64_t opal_query_cpu_status(uint64_t thread_number, uint8_t *thread_status); | |
127 | int64_t opal_write_oppanel(oppanel_line_t *lines, uint64_t num_lines); | |
128 | int64_t opal_pci_map_pe_dma_window(uint64_t phb_id, uint16_t pe_number, uint16_t window_id, | |
129 | uint16_t tce_levels, uint64_t tce_table_addr, | |
130 | uint64_t tce_table_size, uint64_t tce_page_size); | |
131 | int64_t opal_pci_map_pe_dma_window_real(uint64_t phb_id, uint16_t pe_number, | |
132 | uint16_t dma_window_number, uint64_t pci_start_addr, | |
133 | uint64_t pci_mem_size); | |
134 | int64_t opal_pci_reset(uint64_t phb_id, uint8_t reset_scope, uint8_t assert_state); | |
135 | ||
23773230 GS |
136 | int64_t opal_pci_get_hub_diag_data(uint64_t hub_id, void *diag_buffer, |
137 | uint64_t diag_buffer_len); | |
138 | int64_t opal_pci_get_phb_diag_data(uint64_t phb_id, void *diag_buffer, | |
139 | uint64_t diag_buffer_len); | |
140 | int64_t opal_pci_get_phb_diag_data2(uint64_t phb_id, void *diag_buffer, | |
141 | uint64_t diag_buffer_len); | |
f11fe552 | 142 | int64_t opal_pci_fence_phb(uint64_t phb_id); |
9be3becc | 143 | int64_t opal_pci_reinit(uint64_t phb_id, uint64_t reinit_scope, uint64_t data); |
f11fe552 BH |
144 | int64_t opal_pci_mask_pe_error(uint64_t phb_id, uint16_t pe_number, uint8_t error_type, uint8_t mask_action); |
145 | int64_t opal_set_slot_led_status(uint64_t phb_id, uint64_t slot_id, uint8_t led_type, uint8_t led_action); | |
3b476aad VP |
146 | int64_t opal_get_epow_status(__be16 *epow_status, __be16 *num_epow_classes); |
147 | int64_t opal_get_dpo_status(__be64 *dpo_timeout); | |
f11fe552 | 148 | int64_t opal_set_system_attention_led(uint8_t led_action); |
ddf0322a GC |
149 | int64_t opal_pci_next_error(uint64_t phb_id, __be64 *first_frozen_pe, |
150 | __be16 *pci_error_type, __be16 *severity); | |
23773230 | 151 | int64_t opal_pci_poll(uint64_t phb_id); |
13906db6 | 152 | int64_t opal_return_cpu(void); |
bffe6bda | 153 | int64_t opal_check_token(uint64_t token); |
4926616c | 154 | int64_t opal_reinit_cpus(uint64_t flags); |
f11fe552 | 155 | |
2f3f38e4 BH |
156 | int64_t opal_xscom_read(uint32_t gcid, uint64_t pcb_addr, __be64 *val); |
157 | int64_t opal_xscom_write(uint32_t gcid, uint64_t pcb_addr, uint64_t val); | |
cc0efb57 BH |
158 | |
159 | int64_t opal_lpc_write(uint32_t chip_id, enum OpalLPCAddressType addr_type, | |
160 | uint32_t addr, uint32_t data, uint32_t sz); | |
161 | int64_t opal_lpc_read(uint32_t chip_id, enum OpalLPCAddressType addr_type, | |
803c2d2f | 162 | uint32_t addr, __be32 *data, uint32_t sz); |
774fea1a | 163 | |
2bad7423 | 164 | int64_t opal_read_elog(uint64_t buffer, uint64_t size, uint64_t log_id); |
14ad0c58 | 165 | int64_t opal_get_elog_size(__be64 *log_id, __be64 *size, __be64 *elog_type); |
774fea1a SS |
166 | int64_t opal_write_elog(uint64_t buffer, uint64_t size, uint64_t offset); |
167 | int64_t opal_send_ack_elog(uint64_t log_id); | |
168 | void opal_resend_pending_logs(void); | |
169 | ||
50bd6153 VH |
170 | int64_t opal_validate_flash(uint64_t buffer, uint32_t *size, uint32_t *result); |
171 | int64_t opal_manage_flash(uint8_t op); | |
172 | int64_t opal_update_flash(uint64_t blk_list); | |
c7e64b9c | 173 | int64_t opal_dump_init(uint8_t dump_type); |
2d6b63bb AB |
174 | int64_t opal_dump_info(__be32 *dump_id, __be32 *dump_size); |
175 | int64_t opal_dump_info2(__be32 *dump_id, __be32 *dump_size, __be32 *dump_type); | |
c7e64b9c SS |
176 | int64_t opal_dump_read(uint32_t dump_id, uint64_t buffer); |
177 | int64_t opal_dump_ack(uint32_t dump_id); | |
178 | int64_t opal_dump_resend_notification(void); | |
cc0efb57 | 179 | |
2bad7423 AB |
180 | int64_t opal_get_msg(uint64_t buffer, uint64_t size); |
181 | int64_t opal_check_completion(uint64_t buffer, uint64_t size, uint64_t token); | |
f7d98d18 | 182 | int64_t opal_sync_host_reboot(void); |
4029cd66 | 183 | int64_t opal_get_param(uint64_t token, uint32_t param_id, uint64_t buffer, |
2bad7423 | 184 | uint64_t length); |
4029cd66 | 185 | int64_t opal_set_param(uint64_t token, uint32_t param_id, uint64_t buffer, |
2bad7423 | 186 | uint64_t length); |
9000c17d | 187 | int64_t opal_sensor_read(uint32_t sensor_hndl, int token, __be32 *sensor_data); |
0ef95b41 | 188 | int64_t opal_handle_hmi(void); |
b09c2ec4 VH |
189 | int64_t opal_register_dump_region(uint32_t id, uint64_t start, uint64_t end); |
190 | int64_t opal_unregister_dump_region(uint32_t id); | |
77b54e9f | 191 | int64_t opal_slw_set_reg(uint64_t cpu_pir, uint64_t sprn, uint64_t val); |
5703d2f4 | 192 | int64_t opal_config_cpu_idle_state(uint64_t state, uint64_t flag); |
09521736 | 193 | int64_t opal_pci_set_phb_cxl_mode(uint64_t phb_id, uint64_t mode, uint64_t pe_number); |
608b286d JK |
194 | int64_t opal_ipmi_send(uint64_t interface, struct opal_ipmi_msg *msg, |
195 | uint64_t msg_len); | |
196 | int64_t opal_ipmi_recv(uint64_t interface, struct opal_ipmi_msg *msg, | |
197 | uint64_t *msg_len); | |
47083450 NG |
198 | int64_t opal_i2c_request(uint64_t async_token, uint32_t bus_id, |
199 | struct opal_i2c_request *oreq); | |
0d7cd855 | 200 | int64_t opal_prd_msg(struct opal_prd_msg *msg); |
8a8d9181 AK |
201 | int64_t opal_leds_get_ind(char *loc_code, __be64 *led_mask, |
202 | __be64 *led_value, __be64 *max_led_type); | |
203 | int64_t opal_leds_set_ind(uint64_t token, char *loc_code, const u64 led_mask, | |
204 | const u64 led_value, __be64 *max_led_type); | |
24366360 | 205 | |
ed59190e CB |
206 | int64_t opal_flash_read(uint64_t id, uint64_t offset, uint64_t buf, |
207 | uint64_t size, uint64_t token); | |
208 | int64_t opal_flash_write(uint64_t id, uint64_t offset, uint64_t buf, | |
209 | uint64_t size, uint64_t token); | |
210 | int64_t opal_flash_erase(uint64_t id, uint64_t offset, uint64_t size, | |
211 | uint64_t token); | |
212 | ||
14a43e69 | 213 | /* Internal functions */ |
e2c8b93e AB |
214 | extern int early_init_dt_scan_opal(unsigned long node, const char *uname, |
215 | int depth, void *data); | |
55672ecf MS |
216 | extern int early_init_dt_scan_recoverable_ranges(unsigned long node, |
217 | const char *uname, int depth, void *data); | |
14a43e69 BH |
218 | |
219 | extern int opal_get_chars(uint32_t vtermno, char *buf, int count); | |
220 | extern int opal_put_chars(uint32_t vtermno, const char *buf, int total_len); | |
221 | ||
222 | extern void hvc_opal_init_early(void); | |
223 | ||
1bc98de2 | 224 | extern int opal_notifier_register(struct notifier_block *nb); |
798af00c BH |
225 | extern int opal_notifier_unregister(struct notifier_block *nb); |
226 | ||
d7cf83fc | 227 | extern int opal_message_notifier_register(enum opal_msg_type msg_type, |
24366360 | 228 | struct notifier_block *nb); |
df60f576 | 229 | extern int opal_message_notifier_unregister(enum opal_msg_type msg_type, |
b921e902 | 230 | struct notifier_block *nb); |
1bc98de2 GS |
231 | extern void opal_notifier_enable(void); |
232 | extern void opal_notifier_disable(void); | |
233 | extern void opal_notifier_update_evt(uint64_t evt_mask, uint64_t evt_val); | |
234 | ||
8d724823 NG |
235 | extern int __opal_async_get_token(void); |
236 | extern int opal_async_get_token_interruptible(void); | |
237 | extern int __opal_async_release_token(int token); | |
238 | extern int opal_async_release_token(int token); | |
239 | extern int opal_async_wait_response(uint64_t token, struct opal_msg *msg); | |
7224adbb | 240 | extern int opal_get_sensor_data(u32 sensor_hndl, u32 *sensor_data); |
8d724823 | 241 | |
628daa8d | 242 | struct rtc_time; |
628daa8d BH |
243 | extern unsigned long opal_get_boot_time(void); |
244 | extern void opal_nvram_init(void); | |
ed59190e | 245 | extern void opal_flash_update_init(void); |
2196c6f1 | 246 | extern void opal_flash_term_callback(void); |
774fea1a | 247 | extern int opal_elog_init(void); |
c7e64b9c | 248 | extern void opal_platform_dump_init(void); |
4029cd66 | 249 | extern void opal_sys_param_init(void); |
bfc36894 | 250 | extern void opal_msglog_init(void); |
9b4fffa1 | 251 | extern void opal_msglog_sysfs_init(void); |
96e023e7 AP |
252 | extern int opal_async_comp_init(void); |
253 | extern int opal_sensor_init(void); | |
254 | extern int opal_hmi_handler_init(void); | |
9f0fd049 | 255 | extern int opal_event_init(void); |
628daa8d | 256 | |
ed79ba9e | 257 | extern int opal_machine_check(struct pt_regs *regs); |
55672ecf | 258 | extern bool opal_mce_check_early_recovery(struct pt_regs *regs); |
0869b6fd MS |
259 | extern int opal_hmi_exception_early(struct pt_regs *regs); |
260 | extern int opal_handle_hmi_exception(struct pt_regs *regs); | |
ed79ba9e | 261 | |
73ed148a | 262 | extern void opal_shutdown(void); |
97eb001f | 263 | extern int opal_resync_timebase(void); |
73ed148a | 264 | |
3fafe9c2 BH |
265 | extern void opal_lpc_init(void); |
266 | ||
affddff6 RC |
267 | extern void opal_kmsg_init(void); |
268 | ||
9f0fd049 AP |
269 | extern int opal_event_request(unsigned int opal_event_nr); |
270 | ||
3441f04b AB |
271 | struct opal_sg_list *opal_vmalloc_to_sg_list(void *vmalloc_addr, |
272 | unsigned long vmalloc_size); | |
273 | void opal_free_sg_list(struct opal_sg_list *sg); | |
274 | ||
e3c5c2e0 CLG |
275 | extern int opal_error_code(int rc); |
276 | ||
9b4fffa1 AD |
277 | ssize_t opal_msglog_copy(char *to, loff_t pos, size_t count); |
278 | ||
14a43e69 | 279 | #endif /* __ASSEMBLY__ */ |
27f44888 | 280 | |
d800ba12 | 281 | #endif /* _ASM_POWERPC_OPAL_H */ |