Quelle  adf_gen4_tl.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2023 Intel Corporation. */
#include <linux/export.h>
#include <linux/kernel.h>

#include "adf_gen4_tl.h"
#include "adf_telemetry.h"
#include "adf_tl_debugfs.h"

#define ADF_GEN4_TL_DEV_REG_OFF(reg) ADF_TL_DEV_REG_OFF(reg, gen4)

#define ADF_GEN4_TL_RP_REG_OFF(reg) ADF_TL_RP_REG_OFF(reg, gen4)

#define ADF_GEN4_TL_SL_UTIL_COUNTER(_name) \
 ADF_TL_COUNTER("util_" #_name,  \
   ADF_TL_SIMPLE_COUNT, \
   ADF_TL_SLICE_REG_OFF(_name, reg_tm_slice_util, gen4))

#define ADF_GEN4_TL_SL_EXEC_COUNTER(_name) \
 ADF_TL_COUNTER("exec_" #_name,  \
   ADF_TL_SIMPLE_COUNT, \
   ADF_TL_SLICE_REG_OFF(_name, reg_tm_slice_exec_cnt, gen4))

/* Device level counters. */
static const struct adf_tl_dbg_counter dev_counters[] = {
 /* PCIe partial transactions. */
 ADF_TL_COUNTER(PCI_TRANS_CNT_NAME, ADF_TL_SIMPLE_COUNT,
         ADF_GEN4_TL_DEV_REG_OFF(reg_tl_pci_trans_cnt)),
 /* Max read latency[ns]. */
 ADF_TL_COUNTER(MAX_RD_LAT_NAME, ADF_TL_COUNTER_NS,
         ADF_GEN4_TL_DEV_REG_OFF(reg_tl_rd_lat_max)),
 /* Read latency average[ns]. */
 ADF_TL_COUNTER_LATENCY(RD_LAT_ACC_NAME, ADF_TL_COUNTER_NS_AVG,
          ADF_GEN4_TL_DEV_REG_OFF(reg_tl_rd_lat_acc),
          ADF_GEN4_TL_DEV_REG_OFF(reg_tl_rd_cmpl_cnt)),
 /* Max get to put latency[ns]. */
 ADF_TL_COUNTER(MAX_LAT_NAME, ADF_TL_COUNTER_NS,
         ADF_GEN4_TL_DEV_REG_OFF(reg_tl_gp_lat_max)),
 /* Get to put latency average[ns]. */
 ADF_TL_COUNTER_LATENCY(LAT_ACC_NAME, ADF_TL_COUNTER_NS_AVG,
          ADF_GEN4_TL_DEV_REG_OFF(reg_tl_gp_lat_acc),
          ADF_GEN4_TL_DEV_REG_OFF(reg_tl_ae_put_cnt)),
 /* PCIe write bandwidth[Mbps]. */
 ADF_TL_COUNTER(BW_IN_NAME, ADF_TL_COUNTER_MBPS,
         ADF_GEN4_TL_DEV_REG_OFF(reg_tl_bw_in)),
 /* PCIe read bandwidth[Mbps]. */
 ADF_TL_COUNTER(BW_OUT_NAME, ADF_TL_COUNTER_MBPS,
         ADF_GEN4_TL_DEV_REG_OFF(reg_tl_bw_out)),
 /* Page request latency average[ns]. */
 ADF_TL_COUNTER_LATENCY(PAGE_REQ_LAT_NAME, ADF_TL_COUNTER_NS_AVG,
          ADF_GEN4_TL_DEV_REG_OFF(reg_tl_at_page_req_lat_acc),
          ADF_GEN4_TL_DEV_REG_OFF(reg_tl_at_page_req_cnt)),
 /* Page translation latency average[ns]. */
 ADF_TL_COUNTER_LATENCY(AT_TRANS_LAT_NAME, ADF_TL_COUNTER_NS_AVG,
          ADF_GEN4_TL_DEV_REG_OFF(reg_tl_at_trans_lat_acc),
          ADF_GEN4_TL_DEV_REG_OFF(reg_tl_at_trans_lat_cnt)),
 /* Maximum uTLB used. */
 ADF_TL_COUNTER(AT_MAX_UTLB_USED_NAME, ADF_TL_SIMPLE_COUNT,
         ADF_GEN4_TL_DEV_REG_OFF(reg_tl_at_max_tlb_used)),
};

/* Slice utilization counters. */
static const struct adf_tl_dbg_counter sl_util_counters[ADF_TL_SL_CNT_COUNT] = {
 /* Compression slice utilization. */
 ADF_GEN4_TL_SL_UTIL_COUNTER(cpr),
 /* Translator slice utilization. */
 ADF_GEN4_TL_SL_UTIL_COUNTER(xlt),
 /* Decompression slice utilization. */
 ADF_GEN4_TL_SL_UTIL_COUNTER(dcpr),
 /* PKE utilization. */
 ADF_GEN4_TL_SL_UTIL_COUNTER(pke),
 /* Wireless Authentication slice utilization. */
 ADF_GEN4_TL_SL_UTIL_COUNTER(wat),
 /* Wireless Cipher slice utilization. */
 ADF_GEN4_TL_SL_UTIL_COUNTER(wcp),
 /* UCS slice utilization. */
 ADF_GEN4_TL_SL_UTIL_COUNTER(ucs),
 /* Cipher slice utilization. */
 ADF_GEN4_TL_SL_UTIL_COUNTER(cph),
 /* Authentication slice utilization. */
 ADF_GEN4_TL_SL_UTIL_COUNTER(ath),
};

/* Slice execution counters. */
static const struct adf_tl_dbg_counter sl_exec_counters[ADF_TL_SL_CNT_COUNT] = {
 /* Compression slice execution count. */
 ADF_GEN4_TL_SL_EXEC_COUNTER(cpr),
 /* Translator slice execution count. */
 ADF_GEN4_TL_SL_EXEC_COUNTER(xlt),
 /* Decompression slice execution count. */
 ADF_GEN4_TL_SL_EXEC_COUNTER(dcpr),
 /* PKE execution count. */
 ADF_GEN4_TL_SL_EXEC_COUNTER(pke),
 /* Wireless Authentication slice execution count. */
 ADF_GEN4_TL_SL_EXEC_COUNTER(wat),
 /* Wireless Cipher slice execution count. */
 ADF_GEN4_TL_SL_EXEC_COUNTER(wcp),
 /* UCS slice execution count. */
 ADF_GEN4_TL_SL_EXEC_COUNTER(ucs),
 /* Cipher slice execution count. */
 ADF_GEN4_TL_SL_EXEC_COUNTER(cph),
 /* Authentication slice execution count. */
 ADF_GEN4_TL_SL_EXEC_COUNTER(ath),
};

/* Ring pair counters. */
static const struct adf_tl_dbg_counter rp_counters[] = {
 /* PCIe partial transactions. */
 ADF_TL_COUNTER(PCI_TRANS_CNT_NAME, ADF_TL_SIMPLE_COUNT,
         ADF_GEN4_TL_RP_REG_OFF(reg_tl_pci_trans_cnt)),
 /* Get to put latency average[ns]. */
 ADF_TL_COUNTER_LATENCY(LAT_ACC_NAME, ADF_TL_COUNTER_NS_AVG,
          ADF_GEN4_TL_RP_REG_OFF(reg_tl_gp_lat_acc),
          ADF_GEN4_TL_RP_REG_OFF(reg_tl_ae_put_cnt)),
 /* PCIe write bandwidth[Mbps]. */
 ADF_TL_COUNTER(BW_IN_NAME, ADF_TL_COUNTER_MBPS,
         ADF_GEN4_TL_RP_REG_OFF(reg_tl_bw_in)),
 /* PCIe read bandwidth[Mbps]. */
 ADF_TL_COUNTER(BW_OUT_NAME, ADF_TL_COUNTER_MBPS,
         ADF_GEN4_TL_RP_REG_OFF(reg_tl_bw_out)),
 /* Message descriptor DevTLB hit rate. */
 ADF_TL_COUNTER(AT_GLOB_DTLB_HIT_NAME, ADF_TL_SIMPLE_COUNT,
         ADF_GEN4_TL_RP_REG_OFF(reg_tl_at_glob_devtlb_hit)),
 /* Message descriptor DevTLB miss rate. */
 ADF_TL_COUNTER(AT_GLOB_DTLB_MISS_NAME, ADF_TL_SIMPLE_COUNT,
         ADF_GEN4_TL_RP_REG_OFF(reg_tl_at_glob_devtlb_miss)),
 /* Payload DevTLB hit rate. */
 ADF_TL_COUNTER(AT_PAYLD_DTLB_HIT_NAME, ADF_TL_SIMPLE_COUNT,
         ADF_GEN4_TL_RP_REG_OFF(reg_tl_at_payld_devtlb_hit)),
 /* Payload DevTLB miss rate. */
 ADF_TL_COUNTER(AT_PAYLD_DTLB_MISS_NAME, ADF_TL_SIMPLE_COUNT,
         ADF_GEN4_TL_RP_REG_OFF(reg_tl_at_payld_devtlb_miss)),
};

void adf_gen4_init_tl_data(struct adf_tl_hw_data *tl_data)
{
 tl_data->layout_sz = ADF_GEN4_TL_LAYOUT_SZ;
 tl_data->slice_reg_sz = ADF_GEN4_TL_SLICE_REG_SZ;
 tl_data->rp_reg_sz = ADF_GEN4_TL_RP_REG_SZ;
 tl_data->num_hbuff = ADF_GEN4_TL_NUM_HIST_BUFFS;
 tl_data->max_rp = ADF_GEN4_TL_MAX_RP_NUM;
 tl_data->msg_cnt_off = ADF_GEN4_TL_MSG_CNT_OFF;
 tl_data->cpp_ns_per_cycle = ADF_GEN4_CPP_NS_PER_CYCLE;
 tl_data->bw_units_to_bytes = ADF_GEN4_TL_BW_HW_UNITS_TO_BYTES;

 tl_data->dev_counters = dev_counters;
 tl_data->num_dev_counters = ARRAY_SIZE(dev_counters);
 tl_data->sl_util_counters = sl_util_counters;
 tl_data->sl_exec_counters = sl_exec_counters;
 tl_data->rp_counters = rp_counters;
 tl_data->num_rp_counters = ARRAY_SIZE(rp_counters);
 tl_data->max_sl_cnt = ADF_GEN4_TL_MAX_SLICES_PER_TYPE;
}
EXPORT_SYMBOL_GPL(adf_gen4_init_tl_data);