2 * PowerNV OPAL definitions.
4 * Copyright 2011 IBM Corp.
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.
12 #ifndef _ASM_POWERPC_OPAL_H
13 #define _ASM_POWERPC_OPAL_H
15 #include <asm/opal-api.h>
19 #include <linux/notifier.h>
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))
24 /* /sys/firmware/opal */
25 extern struct kobject
*opal_kobj
;
28 extern struct device_node
*opal_node
;
31 int64_t opal_invalid_call(void);
32 int64_t opal_console_write(int64_t term_number
, __be64
*length
,
33 const uint8_t *buffer
);
34 int64_t opal_console_read(int64_t term_number
, __be64
*length
,
36 int64_t opal_console_write_buffer_space(int64_t term_number
,
38 int64_t opal_console_flush(int64_t term_number
);
39 int64_t opal_rtc_read(__be32
*year_month_day
,
40 __be64
*hour_minute_second_millisecond
);
41 int64_t opal_rtc_write(uint32_t year_month_day
,
42 uint64_t hour_minute_second_millisecond
);
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
,
46 int64_t opal_cec_power_down(uint64_t request
);
47 int64_t opal_cec_reboot(void);
48 int64_t opal_cec_reboot2(uint32_t reboot_type
, char *diag
);
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
);
51 int64_t opal_handle_interrupt(uint64_t isn
, __be64
*outstanding_event_mask
);
52 int64_t opal_poll_events(__be64
*outstanding_event_mask
);
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
,
60 uint64_t offset
, __be16
*data
);
61 int64_t opal_pci_config_read_word(uint64_t phb_id
, uint64_t bus_dev_func
,
62 uint64_t offset
, __be32
*data
);
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
);
70 int64_t opal_get_xive(uint32_t isn
, __be16
*server
, uint8_t *priority
);
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
,
76 __be16
*pci_error_type
,
78 int64_t opal_pci_eeh_freeze_clear(uint64_t phb_id
, uint64_t pe_number
,
79 uint64_t eeh_action_token
);
80 int64_t opal_pci_eeh_freeze_set(uint64_t phb_id
, uint64_t pe_number
,
81 uint64_t eeh_action_token
);
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
);
84 int64_t opal_pci_shpc(uint64_t phb_id
, uint64_t shpc_action
, uint8_t *state
);
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
,
92 uint64_t starting_real_address
,
93 uint64_t starting_pci_address
,
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
,
105 int64_t opal_pci_set_peltv(uint64_t phb_id
, uint32_t parent_pe
, uint32_t child_pe
,
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
,
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
);
114 int64_t opal_pci_msi_eoi(uint64_t phb_id
, uint32_t hw_irq
);
115 int64_t opal_pci_set_xive_pe(uint64_t phb_id
, uint32_t pe_number
,
117 int64_t opal_get_xive_source(uint64_t phb_id
, uint32_t xive_num
,
118 __be32
*interrupt_source_number
);
119 int64_t opal_get_msi_32(uint64_t phb_id
, uint32_t mve_number
, uint32_t xive_num
,
120 uint8_t msi_range
, __be32
*msi_address
,
121 __be32
*message_data
);
122 int64_t opal_get_msi_64(uint64_t phb_id
, uint32_t mve_number
,
123 uint32_t xive_num
, uint8_t msi_range
,
124 __be64
*msi_address
, __be32
*message_data
);
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 id
, uint8_t reset_scope
, uint8_t assert_state
);
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
);
142 int64_t opal_pci_fence_phb(uint64_t phb_id
);
143 int64_t opal_pci_reinit(uint64_t phb_id
, uint64_t reinit_scope
, uint64_t data
);
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
);
146 int64_t opal_get_epow_status(__be16
*epow_status
, __be16
*num_epow_classes
);
147 int64_t opal_get_dpo_status(__be64
*dpo_timeout
);
148 int64_t opal_set_system_attention_led(uint8_t led_action
);
149 int64_t opal_pci_next_error(uint64_t phb_id
, __be64
*first_frozen_pe
,
150 __be16
*pci_error_type
, __be16
*severity
);
151 int64_t opal_pci_poll(uint64_t id
);
152 int64_t opal_return_cpu(void);
153 int64_t opal_check_token(uint64_t token
);
154 int64_t opal_reinit_cpus(uint64_t flags
);
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
);
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
,
162 uint32_t addr
, __be32
*data
, uint32_t sz
);
164 int64_t opal_read_elog(uint64_t buffer
, uint64_t size
, uint64_t log_id
);
165 int64_t opal_get_elog_size(__be64
*log_id
, __be64
*size
, __be64
*elog_type
);
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);
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
);
173 int64_t opal_dump_init(uint8_t dump_type
);
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
);
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);
180 int64_t opal_get_msg(uint64_t buffer
, uint64_t size
);
181 int64_t opal_write_oppanel_async(uint64_t token
, oppanel_line_t
*lines
,
183 int64_t opal_check_completion(uint64_t buffer
, uint64_t size
, uint64_t token
);
184 int64_t opal_sync_host_reboot(void);
185 int64_t opal_get_param(uint64_t token
, uint32_t param_id
, uint64_t buffer
,
187 int64_t opal_set_param(uint64_t token
, uint32_t param_id
, uint64_t buffer
,
189 int64_t opal_sensor_read(uint32_t sensor_hndl
, int token
, __be32
*sensor_data
);
190 int64_t opal_handle_hmi(void);
191 int64_t opal_register_dump_region(uint32_t id
, uint64_t start
, uint64_t end
);
192 int64_t opal_unregister_dump_region(uint32_t id
);
193 int64_t opal_slw_set_reg(uint64_t cpu_pir
, uint64_t sprn
, uint64_t val
);
194 int64_t opal_config_cpu_idle_state(uint64_t state
, uint64_t flag
);
195 int64_t opal_pci_set_phb_cxl_mode(uint64_t phb_id
, uint64_t mode
, uint64_t pe_number
);
196 int64_t opal_ipmi_send(uint64_t interface
, struct opal_ipmi_msg
*msg
,
198 int64_t opal_ipmi_recv(uint64_t interface
, struct opal_ipmi_msg
*msg
,
200 int64_t opal_i2c_request(uint64_t async_token
, uint32_t bus_id
,
201 struct opal_i2c_request
*oreq
);
202 int64_t opal_prd_msg(struct opal_prd_msg
*msg
);
203 int64_t opal_leds_get_ind(char *loc_code
, __be64
*led_mask
,
204 __be64
*led_value
, __be64
*max_led_type
);
205 int64_t opal_leds_set_ind(uint64_t token
, char *loc_code
, const u64 led_mask
,
206 const u64 led_value
, __be64
*max_led_type
);
208 int64_t opal_flash_read(uint64_t id
, uint64_t offset
, uint64_t buf
,
209 uint64_t size
, uint64_t token
);
210 int64_t opal_flash_write(uint64_t id
, uint64_t offset
, uint64_t buf
,
211 uint64_t size
, uint64_t token
);
212 int64_t opal_flash_erase(uint64_t id
, uint64_t offset
, uint64_t size
,
214 int64_t opal_get_device_tree(uint32_t phandle
, uint64_t buf
, uint64_t len
);
215 int64_t opal_pci_get_presence_state(uint64_t id
, uint64_t data
);
216 int64_t opal_pci_get_power_state(uint64_t id
, uint64_t data
);
217 int64_t opal_pci_set_power_state(uint64_t async_token
, uint64_t id
,
219 int64_t opal_pci_poll2(uint64_t id
, uint64_t data
);
221 int64_t opal_int_get_xirr(uint32_t *out_xirr
, bool just_poll
);
222 int64_t opal_int_set_cppr(uint8_t cppr
);
223 int64_t opal_int_eoi(uint32_t xirr
);
224 int64_t opal_int_set_mfrr(uint32_t cpu
, uint8_t mfrr
);
225 int64_t opal_pci_tce_kill(uint64_t phb_id
, uint32_t kill_type
,
226 uint32_t pe_num
, uint32_t tce_size
,
227 uint64_t dma_addr
, uint32_t npages
);
228 int64_t opal_nmmu_set_ptcr(uint64_t chip_id
, uint64_t ptcr
);
230 /* Internal functions */
231 extern int early_init_dt_scan_opal(unsigned long node
, const char *uname
,
232 int depth
, void *data
);
233 extern int early_init_dt_scan_recoverable_ranges(unsigned long node
,
234 const char *uname
, int depth
, void *data
);
235 extern void opal_configure_cores(void);
237 extern int opal_get_chars(uint32_t vtermno
, char *buf
, int count
);
238 extern int opal_put_chars(uint32_t vtermno
, const char *buf
, int total_len
);
240 extern void hvc_opal_init_early(void);
242 extern int opal_notifier_register(struct notifier_block
*nb
);
243 extern int opal_notifier_unregister(struct notifier_block
*nb
);
245 extern int opal_message_notifier_register(enum opal_msg_type msg_type
,
246 struct notifier_block
*nb
);
247 extern int opal_message_notifier_unregister(enum opal_msg_type msg_type
,
248 struct notifier_block
*nb
);
249 extern void opal_notifier_enable(void);
250 extern void opal_notifier_disable(void);
251 extern void opal_notifier_update_evt(uint64_t evt_mask
, uint64_t evt_val
);
253 extern int __opal_async_get_token(void);
254 extern int opal_async_get_token_interruptible(void);
255 extern int __opal_async_release_token(int token
);
256 extern int opal_async_release_token(int token
);
257 extern int opal_async_wait_response(uint64_t token
, struct opal_msg
*msg
);
258 extern int opal_get_sensor_data(u32 sensor_hndl
, u32
*sensor_data
);
261 extern unsigned long opal_get_boot_time(void);
262 extern void opal_nvram_init(void);
263 extern void opal_flash_update_init(void);
264 extern void opal_flash_term_callback(void);
265 extern int opal_elog_init(void);
266 extern void opal_platform_dump_init(void);
267 extern void opal_sys_param_init(void);
268 extern void opal_msglog_init(void);
269 extern void opal_msglog_sysfs_init(void);
270 extern int opal_async_comp_init(void);
271 extern int opal_sensor_init(void);
272 extern int opal_hmi_handler_init(void);
273 extern int opal_event_init(void);
275 extern int opal_machine_check(struct pt_regs
*regs
);
276 extern bool opal_mce_check_early_recovery(struct pt_regs
*regs
);
277 extern int opal_hmi_exception_early(struct pt_regs
*regs
);
278 extern int opal_handle_hmi_exception(struct pt_regs
*regs
);
280 extern void opal_shutdown(void);
281 extern int opal_resync_timebase(void);
283 extern void opal_lpc_init(void);
285 extern void opal_kmsg_init(void);
287 extern int opal_event_request(unsigned int opal_event_nr
);
289 struct opal_sg_list
*opal_vmalloc_to_sg_list(void *vmalloc_addr
,
290 unsigned long vmalloc_size
);
291 void opal_free_sg_list(struct opal_sg_list
*sg
);
293 extern int opal_error_code(int rc
);
295 ssize_t
opal_msglog_copy(char *to
, loff_t pos
, size_t count
);
297 static inline int opal_get_async_rc(struct opal_msg msg
)
299 if (msg
.msg_type
!= OPAL_MSG_ASYNC_COMP
)
300 return OPAL_PARAMETER
;
302 return be64_to_cpu(msg
.params
[1]);
305 void opal_wake_poller(void);
307 #endif /* __ASSEMBLY__ */
309 #endif /* _ASM_POWERPC_OPAL_H */