1 /*- 2 * Copyright (c) 2010 Fabien Thomas 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _DEV_HWPMC_UNCORE_H_ 30 #define _DEV_HWPMC_UNCORE_H_ 1 31 32 /* 33 * Fixed-function PMCs. 34 */ 35 struct pmc_md_ucf_op_pmcallocate { 36 uint16_t pm_ucf_flags; /* additional flags */ 37 }; 38 39 #define UCF_EN 0x1 40 #define UCF_PMI 0x4 41 42 /* 43 * Programmable PMCs. 44 */ 45 struct pmc_md_ucp_op_pmcallocate { 46 uint32_t pm_ucp_config; 47 }; 48 49 #define UCP_EVSEL(C) ((C) & 0xFF) 50 #define UCP_UMASK(C) ((C) & 0xFF00) 51 #define UCP_CTRR (1 << 17) 52 #define UCP_EDGE (1 << 18) 53 #define UCP_INT (1 << 20) 54 #define UCP_EN (1 << 22) 55 #define UCP_INV (1 << 23) 56 #define UCP_CMASK(C) (((C) & 0xFF) << 24) 57 58 #ifdef _KERNEL 59 60 #define DCTL_FLAG_UNC_PMI (1ULL << 13) 61 62 /* 63 * Fixed-function counters. 64 */ 65 66 #define UCF_MASK 0xF 67 68 #define UCF_CTR0 0x394 69 70 #define UCF_OFFSET 32 71 #define UCF_CTRL 0x395 72 73 /* 74 * Programmable counters. 75 */ 76 77 #define UCP_PMC0 0x3B0 78 #define UCP_EVSEL0 0x3C0 79 #define UCP_OPCODE_MATCH 0x396 80 81 /* 82 * Simplified programming interface in Intel Performance Architecture 83 * v2 and later. 84 */ 85 86 #define UC_GLOBAL_STATUS 0x392 87 #define UC_GLOBAL_CTRL 0x391 88 #define UC_GLOBAL_OVF_CTRL 0x393 89 90 #define UC_GLOBAL_STATUS_FLAG_CLRCHG (1ULL << 63) 91 #define UC_GLOBAL_STATUS_FLAG_OVFPMI (1ULL << 61) 92 #define UC_GLOBAL_CTRL_FLAG_FRZ (1ULL << 63) 93 #define UC_GLOBAL_CTRL_FLAG_ENPMICORE0 (1ULL << 48) 94 95 struct pmc_md_ucf_pmc { 96 uint64_t pm_ucf_ctrl; 97 }; 98 99 struct pmc_md_ucp_pmc { 100 uint32_t pm_ucp_evsel; 101 }; 102 103 /* 104 * Prototypes. 105 */ 106 107 int pmc_uncore_initialize(struct pmc_mdep *_md, int _maxcpu); 108 void pmc_uncore_finalize(struct pmc_mdep *_md); 109 110 void pmc_uncore_mark_started(int _cpu, int _pmc); 111 112 int pmc_ucf_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width); 113 void pmc_ucf_finalize(struct pmc_mdep *_md); 114 115 int pmc_ucp_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width, 116 int _flags); 117 void pmc_ucp_finalize(struct pmc_mdep *_md); 118 119 #endif /* _KERNEL */ 120 #endif /* _DEV_HWPMC_UNCORE_H */ 121