1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * SCMI Message Protocol driver header
5 * Copyright (C) 2018-2021 ARM Ltd.
8 #ifndef _LINUX_SCMI_PROTOCOL_H
9 #define _LINUX_SCMI_PROTOCOL_H
11 #include <linux/bitfield.h>
12 #include <linux/device.h>
13 #include <linux/notifier.h>
14 #include <linux/types.h>
16 #define SCMI_MAX_STR_SIZE 16
17 #define SCMI_MAX_NUM_RATES 16
20 * struct scmi_revision_info - version information structure
22 * @major_ver: Major ABI version. Change here implies risk of backward
23 * compatibility break.
24 * @minor_ver: Minor ABI version. Change here implies new feature addition,
25 * or compatible change in ABI.
26 * @num_protocols: Number of protocols that are implemented, excluding the
28 * @num_agents: Number of agents in the system.
29 * @impl_ver: A vendor-specific implementation version.
30 * @vendor_id: A vendor identifier(Null terminated ASCII string)
31 * @sub_vendor_id: A sub-vendor identifier(Null terminated ASCII string)
33 struct scmi_revision_info {
39 char vendor_id[SCMI_MAX_STR_SIZE];
40 char sub_vendor_id[SCMI_MAX_STR_SIZE];
43 struct scmi_clock_info {
44 char name[SCMI_MAX_STR_SIZE];
49 u64 rates[SCMI_MAX_NUM_RATES];
61 struct scmi_protocol_handle;
64 * struct scmi_clk_proto_ops - represents the various operations provided
65 * by SCMI Clock Protocol
67 * @count_get: get the count of clocks provided by SCMI
68 * @info_get: get the information of the specified clock
69 * @rate_get: request the current clock rate of a clock
70 * @rate_set: set the clock rate of a clock
71 * @enable: enables the specified clock
72 * @disable: disables the specified clock
74 struct scmi_clk_proto_ops {
75 int (*count_get)(const struct scmi_protocol_handle *ph);
77 const struct scmi_clock_info *(*info_get)
78 (const struct scmi_protocol_handle *ph, u32 clk_id);
79 int (*rate_get)(const struct scmi_protocol_handle *ph, u32 clk_id,
81 int (*rate_set)(const struct scmi_protocol_handle *ph, u32 clk_id,
83 int (*enable)(const struct scmi_protocol_handle *ph, u32 clk_id);
84 int (*disable)(const struct scmi_protocol_handle *ph, u32 clk_id);
88 * struct scmi_perf_proto_ops - represents the various operations provided
89 * by SCMI Performance Protocol
91 * @limits_set: sets limits on the performance level of a domain
92 * @limits_get: gets limits on the performance level of a domain
93 * @level_set: sets the performance level of a domain
94 * @level_get: gets the performance level of a domain
95 * @device_domain_id: gets the scmi domain id for a given device
96 * @transition_latency_get: gets the DVFS transition latency for a given device
97 * @device_opps_add: adds all the OPPs for a given device
98 * @freq_set: sets the frequency for a given device using sustained frequency
99 * to sustained performance level mapping
100 * @freq_get: gets the frequency for a given device using sustained frequency
101 * to sustained performance level mapping
102 * @est_power_get: gets the estimated power cost for a given performance domain
103 * at a given frequency
105 struct scmi_perf_proto_ops {
106 int (*limits_set)(const struct scmi_protocol_handle *ph, u32 domain,
107 u32 max_perf, u32 min_perf);
108 int (*limits_get)(const struct scmi_protocol_handle *ph, u32 domain,
109 u32 *max_perf, u32 *min_perf);
110 int (*level_set)(const struct scmi_protocol_handle *ph, u32 domain,
111 u32 level, bool poll);
112 int (*level_get)(const struct scmi_protocol_handle *ph, u32 domain,
113 u32 *level, bool poll);
114 int (*device_domain_id)(struct device *dev);
115 int (*transition_latency_get)(const struct scmi_protocol_handle *ph,
117 int (*device_opps_add)(const struct scmi_protocol_handle *ph,
119 int (*freq_set)(const struct scmi_protocol_handle *ph, u32 domain,
120 unsigned long rate, bool poll);
121 int (*freq_get)(const struct scmi_protocol_handle *ph, u32 domain,
122 unsigned long *rate, bool poll);
123 int (*est_power_get)(const struct scmi_protocol_handle *ph, u32 domain,
124 unsigned long *rate, unsigned long *power);
125 bool (*fast_switch_possible)(const struct scmi_protocol_handle *ph,
127 bool (*power_scale_mw_get)(const struct scmi_protocol_handle *ph);
131 * struct scmi_power_proto_ops - represents the various operations provided
132 * by SCMI Power Protocol
134 * @num_domains_get: get the count of power domains provided by SCMI
135 * @name_get: gets the name of a power domain
136 * @state_set: sets the power state of a power domain
137 * @state_get: gets the power state of a power domain
139 struct scmi_power_proto_ops {
140 int (*num_domains_get)(const struct scmi_protocol_handle *ph);
141 char *(*name_get)(const struct scmi_protocol_handle *ph, u32 domain);
142 #define SCMI_POWER_STATE_TYPE_SHIFT 30
143 #define SCMI_POWER_STATE_ID_MASK (BIT(28) - 1)
144 #define SCMI_POWER_STATE_PARAM(type, id) \
145 ((((type) & BIT(0)) << SCMI_POWER_STATE_TYPE_SHIFT) | \
146 ((id) & SCMI_POWER_STATE_ID_MASK))
147 #define SCMI_POWER_STATE_GENERIC_ON SCMI_POWER_STATE_PARAM(0, 0)
148 #define SCMI_POWER_STATE_GENERIC_OFF SCMI_POWER_STATE_PARAM(1, 0)
149 int (*state_set)(const struct scmi_protocol_handle *ph, u32 domain,
151 int (*state_get)(const struct scmi_protocol_handle *ph, u32 domain,
156 * scmi_sensor_reading - represent a timestamped read
158 * Used by @reading_get_timestamped method.
160 * @value: The signed value sensor read.
161 * @timestamp: An unsigned timestamp for the sensor read, as provided by
162 * SCMI platform. Set to zero when not available.
164 struct scmi_sensor_reading {
166 unsigned long long timestamp;
170 * scmi_range_attrs - specifies a sensor or axis values' range
171 * @min_range: The minimum value which can be represented by the sensor/axis.
172 * @max_range: The maximum value which can be represented by the sensor/axis.
174 struct scmi_range_attrs {
180 * scmi_sensor_axis_info - describes one sensor axes
182 * @type: Axes type. Chosen amongst one of @enum scmi_sensor_class.
183 * @scale: Power-of-10 multiplier applied to the axis unit.
184 * @name: NULL-terminated string representing axes name as advertised by
186 * @extended_attrs: Flag to indicate the presence of additional extended
187 * attributes for this axes.
188 * @resolution: Extended attribute representing the resolution of the axes.
189 * Set to 0 if not reported by this axes.
190 * @exponent: Extended attribute representing the power-of-10 multiplier that
191 * is applied to the resolution field. Set to 0 if not reported by
193 * @attrs: Extended attributes representing minimum and maximum values
194 * measurable by this axes. Set to 0 if not reported by this sensor.
196 struct scmi_sensor_axis_info {
200 char name[SCMI_MAX_STR_SIZE];
202 unsigned int resolution;
204 struct scmi_range_attrs attrs;
208 * scmi_sensor_intervals_info - describes number and type of available update
210 * @segmented: Flag for segmented intervals' representation. When True there
211 * will be exactly 3 intervals in @desc, with each entry
212 * representing a member of a segment in this order:
213 * {lowest update interval, highest update interval, step size}
214 * @count: Number of intervals described in @desc.
215 * @desc: Array of @count interval descriptor bitmask represented as detailed in
216 * the SCMI specification: it can be accessed using the accompanying
218 * @prealloc_pool: A minimal preallocated pool of desc entries used to avoid
219 * lesser-than-64-bytes dynamic allocation for small @count
222 struct scmi_sensor_intervals_info {
225 #define SCMI_SENS_INTVL_SEGMENT_LOW 0
226 #define SCMI_SENS_INTVL_SEGMENT_HIGH 1
227 #define SCMI_SENS_INTVL_SEGMENT_STEP 2
229 #define SCMI_SENS_INTVL_GET_SECS(x) FIELD_GET(GENMASK(20, 5), (x))
230 #define SCMI_SENS_INTVL_GET_EXP(x) \
232 int __signed_exp = FIELD_GET(GENMASK(4, 0), (x)); \
234 if (__signed_exp & BIT(4)) \
235 __signed_exp |= GENMASK(31, 5); \
238 #define SCMI_MAX_PREALLOC_POOL 16
239 unsigned int prealloc_pool[SCMI_MAX_PREALLOC_POOL];
243 * struct scmi_sensor_info - represents information related to one of the
246 * @type: Sensor type. Chosen amongst one of @enum scmi_sensor_class.
247 * @scale: Power-of-10 multiplier applied to the sensor unit.
248 * @num_trip_points: Number of maximum configurable trip points.
249 * @async: Flag for asynchronous read support.
250 * @update: Flag for continuouos update notification support.
251 * @timestamped: Flag for timestamped read support.
252 * @tstamp_scale: Power-of-10 multiplier applied to the sensor timestamps to
253 * represent it in seconds.
254 * @num_axis: Number of supported axis if any. Reported as 0 for scalar sensors.
255 * @axis: Pointer to an array of @num_axis descriptors.
256 * @intervals: Descriptor of available update intervals.
257 * @sensor_config: A bitmask reporting the current sensor configuration as
258 * detailed in the SCMI specification: it can accessed and
259 * modified through the accompanying macros.
260 * @name: NULL-terminated string representing sensor name as advertised by
262 * @extended_scalar_attrs: Flag to indicate the presence of additional extended
263 * attributes for this sensor.
264 * @sensor_power: Extended attribute representing the average power
265 * consumed by the sensor in microwatts (uW) when it is active.
266 * Reported here only for scalar sensors.
267 * Set to 0 if not reported by this sensor.
268 * @resolution: Extended attribute representing the resolution of the sensor.
269 * Reported here only for scalar sensors.
270 * Set to 0 if not reported by this sensor.
271 * @exponent: Extended attribute representing the power-of-10 multiplier that is
272 * applied to the resolution field.
273 * Reported here only for scalar sensors.
274 * Set to 0 if not reported by this sensor.
275 * @scalar_attrs: Extended attributes representing minimum and maximum
276 * measurable values by this sensor.
277 * Reported here only for scalar sensors.
278 * Set to 0 if not reported by this sensor.
280 struct scmi_sensor_info {
284 unsigned int num_trip_points;
289 unsigned int num_axis;
290 struct scmi_sensor_axis_info *axis;
291 struct scmi_sensor_intervals_info intervals;
292 unsigned int sensor_config;
293 #define SCMI_SENS_CFG_UPDATE_SECS_MASK GENMASK(31, 16)
294 #define SCMI_SENS_CFG_GET_UPDATE_SECS(x) \
295 FIELD_GET(SCMI_SENS_CFG_UPDATE_SECS_MASK, (x))
297 #define SCMI_SENS_CFG_UPDATE_EXP_MASK GENMASK(15, 11)
298 #define SCMI_SENS_CFG_GET_UPDATE_EXP(x) \
301 FIELD_GET(SCMI_SENS_CFG_UPDATE_EXP_MASK, (x)); \
303 if (__signed_exp & BIT(4)) \
304 __signed_exp |= GENMASK(31, 5); \
308 #define SCMI_SENS_CFG_ROUND_MASK GENMASK(10, 9)
309 #define SCMI_SENS_CFG_ROUND_AUTO 2
310 #define SCMI_SENS_CFG_ROUND_UP 1
311 #define SCMI_SENS_CFG_ROUND_DOWN 0
313 #define SCMI_SENS_CFG_TSTAMP_ENABLED_MASK BIT(1)
314 #define SCMI_SENS_CFG_TSTAMP_ENABLE 1
315 #define SCMI_SENS_CFG_TSTAMP_DISABLE 0
316 #define SCMI_SENS_CFG_IS_TSTAMP_ENABLED(x) \
317 FIELD_GET(SCMI_SENS_CFG_TSTAMP_ENABLED_MASK, (x))
319 #define SCMI_SENS_CFG_SENSOR_ENABLED_MASK BIT(0)
320 #define SCMI_SENS_CFG_SENSOR_ENABLE 1
321 #define SCMI_SENS_CFG_SENSOR_DISABLE 0
322 char name[SCMI_MAX_STR_SIZE];
323 #define SCMI_SENS_CFG_IS_ENABLED(x) FIELD_GET(BIT(0), (x))
324 bool extended_scalar_attrs;
325 unsigned int sensor_power;
326 unsigned int resolution;
328 struct scmi_range_attrs scalar_attrs;
332 * Partial list from Distributed Management Task Force (DMTF) specification:
333 * DSP0249 (Platform Level Data Model specification)
335 enum scmi_sensor_class {
405 NEWTON_METERS = 0x45,
416 CORRECTED_ERRS = 0x50,
417 UNCORRECTABLE_ERRS = 0x51,
425 METERS_SEC_SQUARED = 0x59,
427 CUBIC_METERS_SEC = 0x5B,
429 RADIANS_SEC_SQUARED = 0x5D,
434 * struct scmi_sensor_proto_ops - represents the various operations provided
435 * by SCMI Sensor Protocol
437 * @count_get: get the count of sensors provided by SCMI
438 * @info_get: get the information of the specified sensor
439 * @trip_point_config: selects and configures a trip-point of interest
440 * @reading_get: gets the current value of the sensor
441 * @reading_get_timestamped: gets the current value and timestamp, when
442 * available, of the sensor. (as of v3.0 spec)
443 * Supports multi-axis sensors for sensors which
444 * supports it and if the @reading array size of
445 * @count entry equals the sensor num_axis
446 * @config_get: Get sensor current configuration
447 * @config_set: Set sensor current configuration
449 struct scmi_sensor_proto_ops {
450 int (*count_get)(const struct scmi_protocol_handle *ph);
451 const struct scmi_sensor_info *(*info_get)
452 (const struct scmi_protocol_handle *ph, u32 sensor_id);
453 int (*trip_point_config)(const struct scmi_protocol_handle *ph,
454 u32 sensor_id, u8 trip_id, u64 trip_value);
455 int (*reading_get)(const struct scmi_protocol_handle *ph, u32 sensor_id,
457 int (*reading_get_timestamped)(const struct scmi_protocol_handle *ph,
458 u32 sensor_id, u8 count,
459 struct scmi_sensor_reading *readings);
460 int (*config_get)(const struct scmi_protocol_handle *ph,
461 u32 sensor_id, u32 *sensor_config);
462 int (*config_set)(const struct scmi_protocol_handle *ph,
463 u32 sensor_id, u32 sensor_config);
467 * struct scmi_reset_proto_ops - represents the various operations provided
468 * by SCMI Reset Protocol
470 * @num_domains_get: get the count of reset domains provided by SCMI
471 * @name_get: gets the name of a reset domain
472 * @latency_get: gets the reset latency for the specified reset domain
473 * @reset: resets the specified reset domain
474 * @assert: explicitly assert reset signal of the specified reset domain
475 * @deassert: explicitly deassert reset signal of the specified reset domain
477 struct scmi_reset_proto_ops {
478 int (*num_domains_get)(const struct scmi_protocol_handle *ph);
479 char *(*name_get)(const struct scmi_protocol_handle *ph, u32 domain);
480 int (*latency_get)(const struct scmi_protocol_handle *ph, u32 domain);
481 int (*reset)(const struct scmi_protocol_handle *ph, u32 domain);
482 int (*assert)(const struct scmi_protocol_handle *ph, u32 domain);
483 int (*deassert)(const struct scmi_protocol_handle *ph, u32 domain);
487 * struct scmi_voltage_info - describe one available SCMI Voltage Domain
489 * @id: the domain ID as advertised by the platform
490 * @segmented: defines the layout of the entries of array @levels_uv.
491 * - when True the entries are to be interpreted as triplets,
492 * each defining a segment representing a range of equally
493 * space voltages: <lowest_volts>, <highest_volt>, <step_uV>
494 * - when False the entries simply represent a single discrete
495 * supported voltage level
496 * @negative_volts_allowed: True if any of the entries of @levels_uv represent
497 * a negative voltage.
498 * @attributes: represents Voltage Domain advertised attributes
499 * @name: name assigned to the Voltage Domain by platform
500 * @num_levels: number of total entries in @levels_uv.
501 * @levels_uv: array of entries describing the available voltage levels for
504 struct scmi_voltage_info {
507 bool negative_volts_allowed;
508 unsigned int attributes;
509 char name[SCMI_MAX_STR_SIZE];
510 unsigned int num_levels;
511 #define SCMI_VOLTAGE_SEGMENT_LOW 0
512 #define SCMI_VOLTAGE_SEGMENT_HIGH 1
513 #define SCMI_VOLTAGE_SEGMENT_STEP 2
518 * struct scmi_voltage_proto_ops - represents the various operations provided
519 * by SCMI Voltage Protocol
521 * @num_domains_get: get the count of voltage domains provided by SCMI
522 * @info_get: get the information of the specified domain
523 * @config_set: set the config for the specified domain
524 * @config_get: get the config of the specified domain
525 * @level_set: set the voltage level for the specified domain
526 * @level_get: get the voltage level of the specified domain
528 struct scmi_voltage_proto_ops {
529 int (*num_domains_get)(const struct scmi_protocol_handle *ph);
530 const struct scmi_voltage_info __must_check *(*info_get)
531 (const struct scmi_protocol_handle *ph, u32 domain_id);
532 int (*config_set)(const struct scmi_protocol_handle *ph, u32 domain_id,
534 #define SCMI_VOLTAGE_ARCH_STATE_OFF 0x0
535 #define SCMI_VOLTAGE_ARCH_STATE_ON 0x7
536 int (*config_get)(const struct scmi_protocol_handle *ph, u32 domain_id,
538 int (*level_set)(const struct scmi_protocol_handle *ph, u32 domain_id,
539 u32 flags, s32 volt_uV);
540 int (*level_get)(const struct scmi_protocol_handle *ph, u32 domain_id,
545 * struct scmi_notify_ops - represents notifications' operations provided by
547 * @devm_event_notifier_register: Managed registration of a notifier_block for
548 * the requested event
549 * @devm_event_notifier_unregister: Managed unregistration of a notifier_block
550 * for the requested event
551 * @event_notifier_register: Register a notifier_block for the requested event
552 * @event_notifier_unregister: Unregister a notifier_block for the requested
555 * A user can register/unregister its own notifier_block against the wanted
556 * platform instance regarding the desired event identified by the
557 * tuple: (proto_id, evt_id, src_id) using the provided register/unregister
560 * @sdev: The scmi_device to use when calling the devres managed ops devm_
561 * @handle: The handle identifying the platform instance to use, when not
562 * calling the managed ops devm_
563 * @proto_id: The protocol ID as in SCMI Specification
564 * @evt_id: The message ID of the desired event as in SCMI Specification
565 * @src_id: A pointer to the desired source ID if different sources are
566 * possible for the protocol (like domain_id, sensor_id...etc)
568 * @src_id can be provided as NULL if it simply does NOT make sense for
569 * the protocol at hand, OR if the user is explicitly interested in
570 * receiving notifications from ANY existent source associated to the
571 * specified proto_id / evt_id.
573 * Received notifications are finally delivered to the registered users,
574 * invoking the callback provided with the notifier_block *nb as follows:
576 * int user_cb(nb, evt_id, report)
580 * @nb: The notifier block provided by the user
581 * @evt_id: The message ID of the delivered event
582 * @report: A custom struct describing the specific event delivered
584 struct scmi_notify_ops {
585 int (*devm_event_notifier_register)(struct scmi_device *sdev,
586 u8 proto_id, u8 evt_id,
588 struct notifier_block *nb);
589 int (*devm_event_notifier_unregister)(struct scmi_device *sdev,
590 u8 proto_id, u8 evt_id,
592 struct notifier_block *nb);
593 int (*event_notifier_register)(const struct scmi_handle *handle,
594 u8 proto_id, u8 evt_id,
596 struct notifier_block *nb);
597 int (*event_notifier_unregister)(const struct scmi_handle *handle,
598 u8 proto_id, u8 evt_id,
600 struct notifier_block *nb);
604 * struct scmi_handle - Handle returned to ARM SCMI clients for usage.
606 * @dev: pointer to the SCMI device
607 * @version: pointer to the structure containing SCMI version information
608 * @devm_protocol_get: devres managed method to acquire a protocol and get specific
609 * operations and a dedicated protocol handler
610 * @devm_protocol_put: devres managed method to release a protocol
611 * @notify_ops: pointer to set of notifications related operations
615 struct scmi_revision_info *version;
617 const void __must_check *
618 (*devm_protocol_get)(struct scmi_device *sdev, u8 proto,
619 struct scmi_protocol_handle **ph);
620 void (*devm_protocol_put)(struct scmi_device *sdev, u8 proto);
622 const struct scmi_notify_ops *notify_ops;
625 enum scmi_std_protocol {
626 SCMI_PROTOCOL_BASE = 0x10,
627 SCMI_PROTOCOL_POWER = 0x11,
628 SCMI_PROTOCOL_SYSTEM = 0x12,
629 SCMI_PROTOCOL_PERF = 0x13,
630 SCMI_PROTOCOL_CLOCK = 0x14,
631 SCMI_PROTOCOL_SENSOR = 0x15,
632 SCMI_PROTOCOL_RESET = 0x16,
633 SCMI_PROTOCOL_VOLTAGE = 0x17,
636 enum scmi_system_events {
637 SCMI_SYSTEM_SHUTDOWN,
638 SCMI_SYSTEM_COLDRESET,
639 SCMI_SYSTEM_WARMRESET,
650 struct scmi_handle *handle;
653 #define to_scmi_dev(d) container_of(d, struct scmi_device, dev)
656 scmi_device_create(struct device_node *np, struct device *parent, int protocol,
658 void scmi_device_destroy(struct scmi_device *scmi_dev);
660 struct scmi_device_id {
667 int (*probe)(struct scmi_device *sdev);
668 void (*remove)(struct scmi_device *sdev);
669 const struct scmi_device_id *id_table;
671 struct device_driver driver;
674 #define to_scmi_driver(d) container_of(d, struct scmi_driver, driver)
676 #if IS_REACHABLE(CONFIG_ARM_SCMI_PROTOCOL)
677 int scmi_driver_register(struct scmi_driver *driver,
678 struct module *owner, const char *mod_name);
679 void scmi_driver_unregister(struct scmi_driver *driver);
682 scmi_driver_register(struct scmi_driver *driver, struct module *owner,
683 const char *mod_name)
688 static inline void scmi_driver_unregister(struct scmi_driver *driver) {}
689 #endif /* CONFIG_ARM_SCMI_PROTOCOL */
691 #define scmi_register(driver) \
692 scmi_driver_register(driver, THIS_MODULE, KBUILD_MODNAME)
693 #define scmi_unregister(driver) \
694 scmi_driver_unregister(driver)
697 * module_scmi_driver() - Helper macro for registering a scmi driver
698 * @__scmi_driver: scmi_driver structure
700 * Helper macro for scmi drivers to set up proper module init / exit
701 * functions. Replaces module_init() and module_exit() and keeps people from
702 * printing pointless things to the kernel log when their driver is loaded.
704 #define module_scmi_driver(__scmi_driver) \
705 module_driver(__scmi_driver, scmi_register, scmi_unregister)
708 * module_scmi_protocol() - Helper macro for registering a scmi protocol
709 * @__scmi_protocol: scmi_protocol structure
711 * Helper macro for scmi drivers to set up proper module init / exit
712 * functions. Replaces module_init() and module_exit() and keeps people from
713 * printing pointless things to the kernel log when their driver is loaded.
715 #define module_scmi_protocol(__scmi_protocol) \
716 module_driver(__scmi_protocol, \
717 scmi_protocol_register, scmi_protocol_unregister)
719 struct scmi_protocol;
720 int scmi_protocol_register(const struct scmi_protocol *proto);
721 void scmi_protocol_unregister(const struct scmi_protocol *proto);
723 /* SCMI Notification API - Custom Event Reports */
724 enum scmi_notification_events {
725 SCMI_EVENT_POWER_STATE_CHANGED = 0x0,
726 SCMI_EVENT_PERFORMANCE_LIMITS_CHANGED = 0x0,
727 SCMI_EVENT_PERFORMANCE_LEVEL_CHANGED = 0x1,
728 SCMI_EVENT_SENSOR_TRIP_POINT_EVENT = 0x0,
729 SCMI_EVENT_SENSOR_UPDATE = 0x1,
730 SCMI_EVENT_RESET_ISSUED = 0x0,
731 SCMI_EVENT_BASE_ERROR_EVENT = 0x0,
732 SCMI_EVENT_SYSTEM_POWER_STATE_NOTIFIER = 0x0,
735 struct scmi_power_state_changed_report {
737 unsigned int agent_id;
738 unsigned int domain_id;
739 unsigned int power_state;
742 struct scmi_system_power_state_notifier_report {
744 unsigned int agent_id;
746 unsigned int system_state;
749 struct scmi_perf_limits_report {
751 unsigned int agent_id;
752 unsigned int domain_id;
753 unsigned int range_max;
754 unsigned int range_min;
757 struct scmi_perf_level_report {
759 unsigned int agent_id;
760 unsigned int domain_id;
761 unsigned int performance_level;
764 struct scmi_sensor_trip_point_report {
766 unsigned int agent_id;
767 unsigned int sensor_id;
768 unsigned int trip_point_desc;
771 struct scmi_sensor_update_report {
773 unsigned int agent_id;
774 unsigned int sensor_id;
775 unsigned int readings_count;
776 struct scmi_sensor_reading readings[];
779 struct scmi_reset_issued_report {
781 unsigned int agent_id;
782 unsigned int domain_id;
783 unsigned int reset_state;
786 struct scmi_base_error_report {
788 unsigned int agent_id;
790 unsigned int cmd_count;
791 unsigned long long reports[];
794 #endif /* _LINUX_SCMI_PROTOCOL_H */