csr_imc.h

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/* csr_imc.h
 *
 * Copyright (c) 2011-2016, Lawrence Livermore National Security, LLC.
 * LLNL-CODE-645430
 *
 * Produced at Lawrence Livermore National Laboratory
 * Written by  Barry Rountree, rountree@llnl.gov
 *             Scott Walker,   walker91@llnl.gov
 *             Kathleen Shoga, shoga1@llnl.gov
 *
 * All rights reserved.
 *
 * This file is part of libmsr.
 *
 * libmsr is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option)
 * any later version.
 *
 * libmsr is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with libmsr. If not, see <http://www.gnu.org/licenses/>.
 *
 * This material is based upon work supported by the U.S. Department of
 * Energy's Lawrence Livermore National Laboratory. Office of Science, under
 * Award number DE-AC52-07NA27344.
 *
 */

#ifndef CSR_IMC_H_INCLUDE
#define CSR_IMC_H_INCLUDE

#include <linux/types.h>

#include "master.h"

/* Integrated Memory Controller (iMC) CSRs */

#define NUMCTRS 8

struct pmonctrs_data {
    uint64_t **ctr0;
    uint64_t **ctr1;
    uint64_t **ctr2;
    uint64_t **ctr3;
    uint64_t **ctr4;
    // config
    uint64_t **ctrcfg0;
    uint64_t **ctrcfg1;
    uint64_t **ctrcfg2;
    uint64_t **ctrcfg3;
    uint64_t **ctrcfg4;
};

struct fixed_perfmon_data {
    uint64_t **fctr;
    // config
    uint64_t **fctrcfg;
};

struct pmonctr_global {
    uint64_t **unitctrl;
    uint64_t **unitstatus;
};

struct pmonctrs_data *pmon_ctr_storage(void);

struct pmonctr_global *pmonctr_global_storage(void);

int init_pmon_ctrs(void);

int init_pmonctr_global(void);

int pmon_config(uint32_t threshold,
                uint32_t ovf_en,
                uint32_t edge_det,
                uint32_t umask,
                uint8_t event,
                const unsigned counter);

int set_pmon_unit_ctrl(uint32_t ovf_en,
                       uint16_t freeze_en,
                       uint16_t freeze,
                       uint16_t reset,
                       uint8_t reset_cf);

int mem_bw_on_ctr(const unsigned counter,
                  const int type);

int mem_pct_rw_on_ctr(const unsigned rcounter,
                      const unsigned wcounter);

int mem_page_empty_on_ctr(const unsigned act_count,
                          const unsigned pre_count,
                          const unsigned cas_count);

int mem_page_miss_on_ctr(const unsigned pre_count,
                         const unsigned cas_count);

int read_imc_counter_batch(const unsigned counter);

int print_mem_bw_from_ctr(const unsigned counter,
                          FILE *writedest);

int print_mem_pct_rw_from_ctr(const unsigned rcounter,
                              const unsigned wcounter,
                              int type,
                              FILE *writedest);

int print_mem_page_empty_from_ctr(const unsigned act,
                                  const unsigned pre,
                                  const unsigned cas,
                                  FILE *writedest);

int print_mem_page_miss_from_ctr(const unsigned pre,
                                 const unsigned cas,
                                 FILE *writedest);

int print_pmon_ctrs(void);

#endif