hwpmc_uncore.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2010 Fabien Thomas
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  *
   28  * $FreeBSD$
   29  */
   30 
   31 #ifndef _DEV_HWPMC_UNCORE_H_
   32 #define _DEV_HWPMC_UNCORE_H_ 1
   33 
   34 /*
   35  * Fixed-function PMCs.
   36  */
   37 struct pmc_md_ucf_op_pmcallocate {
   38         uint16_t        pm_ucf_flags;   /* additional flags */
   39 };
   40 
   41 #define UCF_EN          0x1
   42 #define UCF_PMI         0x4
   43 
   44 /*
   45  * Programmable PMCs.
   46  */
   47 struct pmc_md_ucp_op_pmcallocate {
   48         uint64_t        pm_ucp_config;
   49 };
   50 
   51 #define UCP_EVSEL(C)    ((C) & 0xFF)
   52 #define UCP_UMASK(C)    ((C) & 0xFF00)
   53 #define UCP_CTRR        (1 << 17)
   54 #define UCP_EDGE        (1 << 18)
   55 #define UCP_INT         (1 << 20)
   56 #define UCP_EN          (1 << 22)
   57 #define UCP_INV         (1 << 23)
   58 #define UCP_CMASK(C)    (((C) & 0xFF) << 24)
   59 #ifdef  _KERNEL
   60 
   61 #define DCTL_FLAG_UNC_PMI       (1ULL << 13)
   62 
   63 /*
   64  * Fixed-function counters.
   65  */
   66 
   67 #define UCF_MASK                                0xF
   68 
   69 #define UCF_CTR0                                0x394
   70 
   71 #define UCF_OFFSET                              32
   72 #define UCF_OFFSET_SB                           29
   73 #define UCF_CTRL                                0x395
   74 
   75 /*
   76  * Programmable counters.
   77  */
   78 
   79 #define UCP_PMC0                                0x3B0
   80 #define UCP_EVSEL0                              0x3C0
   81 #define UCP_OPCODE_MATCH                        0x396
   82 #define UCP_CB0_EVSEL0                          0x700
   83 
   84 /*
   85  * Simplified programming interface in Intel Performance Architecture
   86  * v2 and later.
   87  */
   88 
   89 #define UC_GLOBAL_STATUS                        0x392
   90 #define UC_GLOBAL_CTRL                          0x391
   91 #define UC_GLOBAL_OVF_CTRL                      0x393
   92 
   93 #define UC_GLOBAL_STATUS_FLAG_CLRCHG            (1ULL << 63)
   94 #define UC_GLOBAL_STATUS_FLAG_OVFPMI            (1ULL << 61)
   95 #define UC_GLOBAL_CTRL_FLAG_FRZ                 (1ULL << 63)
   96 #define UC_GLOBAL_CTRL_FLAG_ENPMICORE0          (1ULL << 48)
   97 
   98 /*
   99  * Model specific registers.
  100  */
  101 
  102 #define MSR_GQ_SNOOP_MESF                       0x301
  103 
  104 struct pmc_md_ucf_pmc {
  105         uint64_t        pm_ucf_ctrl;
  106 };
  107 
  108 struct pmc_md_ucp_pmc {
  109         uint64_t        pm_ucp_evsel;
  110 };
  111 
  112 /*
  113  * Prototypes.
  114  */
  115 
  116 int     pmc_uncore_initialize(struct pmc_mdep *_md, int _maxcpu);
  117 void    pmc_uncore_finalize(struct pmc_mdep *_md);
  118 
  119 int     pmc_ucf_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width);
  120 void    pmc_ucf_finalize(struct pmc_mdep *_md);
  121 
  122 int     pmc_ucp_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width,
  123             int _flags);
  124 void    pmc_ucp_finalize(struct pmc_mdep *_md);
  125 
  126 #endif  /* _KERNEL */
  127 #endif  /* _DEV_HWPMC_UNCORE_H */

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FreeBSD/Linux Kernel Cross Reference sys/dev/hwpmc/hwpmc_uncore.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/hwpmc/hwpmc_uncore.h