90 lines
3.9 KiB
C
90 lines
3.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* SCMI Vendor Protocols header
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*
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* Copyright (c) 2021, The Linux Foundation. All rights reserved.
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*/
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#ifndef _SCMI_VENDOR_H
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#define _SCMI_VENDOR_H
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#include <linux/bitfield.h>
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#include <linux/device.h>
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#include <linux/types.h>
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#define SCMI_PROTOCOL_MEMLAT 0x80
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#define MAX_EV_CNTRS 4 /* Maximum number of grp or common events */
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#define MAX_NAME_LEN 20
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struct scmi_protocol_handle;
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/**
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* struct scmi_memlat_vendor_ops - represents the various operations provided
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* by SCMI HW Memlat Protocol
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*
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* @mem_grp: set the memgrp
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* @set_mon: set the supported monitors
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* @set_ev_map: set the list of events supported
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* @ipm_ceil: sets the ipm_ceil needed for hw memlat governor
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* @stall_floor: sets the stall_floor needed for hw memlat governor
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* @l2wb_pct: sets the stall_floor needed for hw memlat governor
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* @l2wb_filter: sets the l2wb_filter needed for hw memlat governor
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* @freq_scale_pct: sets the scaling factor for ipm differential voting
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* @freq_scale_ceil_mhz: upper limit upto which ipm scaling is allowed
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* @freq_scale_floor_mhz: lower limit upto which ipm scaling is allowed
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* @sample_ms: sets the sample_ms at this interval governor will poll
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* @freq_map: sets the freq_map of the monitor
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* @min_freq: sets the min_freq of monitor
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* @max_freq: sets the max_freq of monitor
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* @start_mon: starts monitor in cpucp
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* @stop_mon: stops monitor in cpucp
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* @log_level: configure the supported log_level in cpucp
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* @get_data: added for debug purpose gets the data structure information
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*/
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struct scmi_memlat_vendor_ops {
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int (*set_mem_grp)(const struct scmi_protocol_handle *ph,
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u32 cpus_mpidr, u32 hw_type);
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int (*set_mon)(const struct scmi_protocol_handle *ph, u32 cpus_mpidr,
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u32 hw_type, u32 mon_type, u32 index, const char *mon_name);
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int (*set_grp_ev_map)(const struct scmi_protocol_handle *ph, u32 hw_type,
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void *buf, u32 num_evs);
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int (*adaptive_low_freq)(const struct scmi_protocol_handle *ph,
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u32 hw_type, u32 index, u32 val);
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int (*adaptive_high_freq)(const struct scmi_protocol_handle *ph,
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u32 hw_type, u32 index, u32 val);
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int (*get_adaptive_cur_freq)(const struct scmi_protocol_handle *ph, u32 hw_type,
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u32 mon_idx, void *buf);
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int (*set_common_ev_map)(const struct scmi_protocol_handle *ph, void *buf,
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u32 num_evs);
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int (*ipm_ceil)(const struct scmi_protocol_handle *ph,
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u32 hw_type, u32 index, u32 val);
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int (*fe_stall_floor)(const struct scmi_protocol_handle *ph,
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u32 hw_type, u32 index, u32 val);
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int (*be_stall_floor)(const struct scmi_protocol_handle *ph,
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u32 hw_type, u32 index, u32 val);
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int (*wb_pct_thres)(const struct scmi_protocol_handle *ph,
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u32 hw_type, u32 index, u32 val);
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int (*wb_filter_ipm)(const struct scmi_protocol_handle *ph,
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u32 hw_type, u32 index, u32 val);
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int (*freq_scale_pct)(const struct scmi_protocol_handle *ph,
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u32 hw_type, u32 index, u32 val);
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int (*freq_scale_ceil_mhz)(const struct scmi_protocol_handle *ph,
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u32 hw_type, u32 index, u32 val);
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int (*freq_scale_floor_mhz)(const struct scmi_protocol_handle *ph,
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u32 hw_type, u32 index, u32 val);
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int (*sample_ms)(const struct scmi_protocol_handle *ph, u32 val);
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int (*freq_map)(const struct scmi_protocol_handle *ph,
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u32 hw_type, u32 index, u32 nr_rows, void *buf);
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int (*min_freq)(const struct scmi_protocol_handle *ph,
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u32 hw_type, u32 index, u32 val);
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int (*max_freq)(const struct scmi_protocol_handle *ph,
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u32 hw_type, u32 index, u32 val);
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int (*get_cur_freq)(const struct scmi_protocol_handle *ph, u32 hw_type,
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u32 mon_idx, void *buf);
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int (*start_timer)(const struct scmi_protocol_handle *ph);
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int (*stop_timer)(const struct scmi_protocol_handle *ph);
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int (*set_log_level)(const struct scmi_protocol_handle *ph, u32 val);
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int (*flush_cpucp_log)(const struct scmi_protocol_handle *ph);
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int (*get_timestamp)(const struct scmi_protocol_handle *ph, void *buf);
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};
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#endif
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