1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 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 uint64_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 #ifdef _KERNEL 58 59 #define DCTL_FLAG_UNC_PMI (1ULL << 13) 60 61 /* 62 * Fixed-function counters. 63 */ 64 65 #define UCF_MASK 0xF 66 67 #define UCF_CTR0 0x394 68 69 #define UCF_OFFSET 32 70 #define UCF_OFFSET_SB 29 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 #define UCP_CB0_EVSEL0 0x700 81 82 /* 83 * Simplified programming interface in Intel Performance Architecture 84 * v2 and later. 85 */ 86 87 #define UC_GLOBAL_STATUS 0x392 88 #define UC_GLOBAL_CTRL 0x391 89 #define UC_GLOBAL_OVF_CTRL 0x393 90 91 #define UC_GLOBAL_STATUS_FLAG_CLRCHG (1ULL << 63) 92 #define UC_GLOBAL_STATUS_FLAG_OVFPMI (1ULL << 61) 93 #define UC_GLOBAL_CTRL_FLAG_FRZ (1ULL << 63) 94 #define UC_GLOBAL_CTRL_FLAG_ENPMICORE0 (1ULL << 48) 95 96 /* 97 * Model specific registers. 98 */ 99 100 #define MSR_GQ_SNOOP_MESF 0x301 101 102 struct pmc_md_ucf_pmc { 103 uint64_t pm_ucf_ctrl; 104 }; 105 106 struct pmc_md_ucp_pmc { 107 uint64_t pm_ucp_evsel; 108 }; 109 110 /* 111 * Prototypes. 112 */ 113 114 int pmc_uncore_initialize(struct pmc_mdep *_md, int _maxcpu); 115 void pmc_uncore_finalize(struct pmc_mdep *_md); 116 117 int pmc_ucf_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width); 118 void pmc_ucf_finalize(struct pmc_mdep *_md); 119 120 int pmc_ucp_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width, 121 int _flags); 122 void pmc_ucp_finalize(struct pmc_mdep *_md); 123 124 #endif /* _KERNEL */ 125 #endif /* _DEV_HWPMC_UNCORE_H */ 126