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1/* SPDX-License-Identifier: GPL-2.0-only */2/* Copyright (c) 2023 Intel Corporation. */3#ifndef ADF_TELEMETRY_H4#define ADF_TELEMETRY_H5 6#include <linux/bits.h>7#include <linux/mutex.h>8#include <linux/types.h>9#include <linux/workqueue.h>10 11#include "icp_qat_fw_init_admin.h"12 13struct adf_accel_dev;14struct adf_tl_dbg_counter;15struct dentry;16 17#define ADF_TL_SL_CNT_COUNT \18 (sizeof(struct icp_qat_fw_init_admin_slice_cnt) / sizeof(__u8))19 20#define TL_CAPABILITY_BIT BIT(1)21/* Interval within device writes data to DMA region. Value in milliseconds. */22#define ADF_TL_DATA_WR_INTERVAL_MS 100023/* Interval within timer interrupt should be handled. Value in milliseconds. */24#define ADF_TL_TIMER_INT_MS (ADF_TL_DATA_WR_INTERVAL_MS / 2)25 26#define ADF_TL_RP_REGS_DISABLED (0xff)27 28struct adf_tl_hw_data {29 size_t layout_sz;30 size_t slice_reg_sz;31 size_t rp_reg_sz;32 size_t msg_cnt_off;33 const struct adf_tl_dbg_counter *dev_counters;34 const struct adf_tl_dbg_counter *sl_util_counters;35 const struct adf_tl_dbg_counter *sl_exec_counters;36 const struct adf_tl_dbg_counter *rp_counters;37 u8 num_hbuff;38 u8 cpp_ns_per_cycle;39 u8 bw_units_to_bytes;40 u8 num_dev_counters;41 u8 num_rp_counters;42 u8 max_rp;43 u8 max_sl_cnt;44};45 46struct adf_telemetry {47 struct adf_accel_dev *accel_dev;48 atomic_t state;49 u32 hbuffs;50 int hb_num;51 u32 msg_cnt;52 dma_addr_t regs_data_p; /* bus address for DMA mapping */53 void *regs_data; /* virtual address for DMA mapping */54 /**55 * @regs_hist_buff: array of pointers to copies of the last @hbuffs56 * values of @regs_data57 */58 void **regs_hist_buff;59 struct dentry *dbg_dir;60 u8 *rp_num_indexes;61 /**62 * @regs_hist_lock: protects from race conditions between write and read63 * to the copies referenced by @regs_hist_buff64 */65 struct mutex regs_hist_lock;66 /**67 * @wr_lock: protects from concurrent writes to debugfs telemetry files68 */69 struct mutex wr_lock;70 struct delayed_work work_ctx;71 struct icp_qat_fw_init_admin_slice_cnt slice_cnt;72};73 74#ifdef CONFIG_DEBUG_FS75int adf_tl_init(struct adf_accel_dev *accel_dev);76int adf_tl_start(struct adf_accel_dev *accel_dev);77void adf_tl_stop(struct adf_accel_dev *accel_dev);78void adf_tl_shutdown(struct adf_accel_dev *accel_dev);79int adf_tl_run(struct adf_accel_dev *accel_dev, int state);80int adf_tl_halt(struct adf_accel_dev *accel_dev);81#else82static inline int adf_tl_init(struct adf_accel_dev *accel_dev)83{84 return 0;85}86 87static inline int adf_tl_start(struct adf_accel_dev *accel_dev)88{89 return 0;90}91 92static inline void adf_tl_stop(struct adf_accel_dev *accel_dev)93{94}95 96static inline void adf_tl_shutdown(struct adf_accel_dev *accel_dev)97{98}99#endif /* CONFIG_DEBUG_FS */100#endif /* ADF_TELEMETRY_H */101