101 lines
2.6 KiB
C
101 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright (c) 2023 Intel Corporation. */
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#ifndef ADF_TELEMETRY_H
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#define ADF_TELEMETRY_H
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#include <linux/bits.h>
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#include <linux/mutex.h>
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#include <linux/types.h>
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#include <linux/workqueue.h>
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#include "icp_qat_fw_init_admin.h"
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struct adf_accel_dev;
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struct adf_tl_dbg_counter;
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struct dentry;
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#define ADF_TL_SL_CNT_COUNT \
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(sizeof(struct icp_qat_fw_init_admin_slice_cnt) / sizeof(__u8))
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#define TL_CAPABILITY_BIT BIT(1)
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/* Interval within device writes data to DMA region. Value in milliseconds. */
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#define ADF_TL_DATA_WR_INTERVAL_MS 1000
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/* Interval within timer interrupt should be handled. Value in milliseconds. */
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#define ADF_TL_TIMER_INT_MS (ADF_TL_DATA_WR_INTERVAL_MS / 2)
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#define ADF_TL_RP_REGS_DISABLED (0xff)
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struct adf_tl_hw_data {
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size_t layout_sz;
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size_t slice_reg_sz;
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size_t rp_reg_sz;
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size_t msg_cnt_off;
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const struct adf_tl_dbg_counter *dev_counters;
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const struct adf_tl_dbg_counter *sl_util_counters;
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const struct adf_tl_dbg_counter *sl_exec_counters;
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const struct adf_tl_dbg_counter *rp_counters;
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u8 num_hbuff;
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u8 cpp_ns_per_cycle;
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u8 bw_units_to_bytes;
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u8 num_dev_counters;
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u8 num_rp_counters;
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u8 max_rp;
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u8 max_sl_cnt;
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};
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struct adf_telemetry {
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struct adf_accel_dev *accel_dev;
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atomic_t state;
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u32 hbuffs;
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int hb_num;
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u32 msg_cnt;
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dma_addr_t regs_data_p; /* bus address for DMA mapping */
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void *regs_data; /* virtual address for DMA mapping */
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/**
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* @regs_hist_buff: array of pointers to copies of the last @hbuffs
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* values of @regs_data
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*/
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void **regs_hist_buff;
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struct dentry *dbg_dir;
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u8 *rp_num_indexes;
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/**
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* @regs_hist_lock: protects from race conditions between write and read
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* to the copies referenced by @regs_hist_buff
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*/
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struct mutex regs_hist_lock;
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/**
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* @wr_lock: protects from concurrent writes to debugfs telemetry files
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*/
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struct mutex wr_lock;
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struct delayed_work work_ctx;
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struct icp_qat_fw_init_admin_slice_cnt slice_cnt;
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};
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#ifdef CONFIG_DEBUG_FS
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int adf_tl_init(struct adf_accel_dev *accel_dev);
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int adf_tl_start(struct adf_accel_dev *accel_dev);
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void adf_tl_stop(struct adf_accel_dev *accel_dev);
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void adf_tl_shutdown(struct adf_accel_dev *accel_dev);
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int adf_tl_run(struct adf_accel_dev *accel_dev, int state);
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int adf_tl_halt(struct adf_accel_dev *accel_dev);
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#else
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static inline int adf_tl_init(struct adf_accel_dev *accel_dev)
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{
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return 0;
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}
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static inline int adf_tl_start(struct adf_accel_dev *accel_dev)
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{
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return 0;
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}
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static inline void adf_tl_stop(struct adf_accel_dev *accel_dev)
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{
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}
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static inline void adf_tl_shutdown(struct adf_accel_dev *accel_dev)
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{
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}
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#endif /* CONFIG_DEBUG_FS */
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#endif /* ADF_TELEMETRY_H */
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