1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26 #ifndef _AO_H 27 #define _AO_H 28 29 #include <sys/types.h> 30 #include <sys/mc.h> 31 #include <sys/mca_amd.h> 32 #include <sys/mc_amd.h> 33 #include <sys/cpu_module_ms_impl.h> 34 #include <sys/nvpair.h> 35 #include <sys/cyclic.h> 36 #include <sys/errorq.h> 37 #include <sys/kobj.h> 38 #include <sys/fm/util.h> 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 44 #define AO_MAX_CHIPS 8 45 46 #define AO_MCA_MAX_ERRORS 10 47 48 typedef struct ao_ms_data ao_ms_data_t; 49 50 /* 51 * Rather than using torturous conditionals, we match errors using a table of 52 * ao_error_disp_t's. The members in the ao_error_disp_t are matched against 53 * the value of MCi_STATUS, with a successful match indicating that the given 54 * error occurred. 55 * 56 * While aed_stat_code will match most of the status code bits, a few of the 57 * status code fields are either/or, and are treated separately so as to 58 * minimize the number of ao_error_disp_t structures that must be created. 59 * For example, the dc.tag_par error can have r4 values drd or dwr. Rather 60 * than creating two ao_error_disp_t's, we use the separate aed_stat_r4_bits 61 * field to indicate both AO_MCA_R4_BIT_DRD and AO_MCA_R4_BIT_DWD. As the 62 * matching r4 values are drawn from aed_stat_r4_bits, we don't use the r4 63 * bits in aed_stat_code for matching. Similar reasoning lies behind the 64 * creation of the pp and ii fields. 65 */ 66 #define AO_AED_PANIC_NEVER 0x00 67 #define AO_AED_PANIC_IFMCE 0x01 68 #define AO_AED_PANIC_ALWAYS 0x80 69 70 /* 71 * The AO_AED_F_* flags tell us how to interpret aspects of the error 72 * telemetry, such as which bits of the captured address are valid for 73 * this error. 74 */ 75 /* MCi_ADDR ... */ 76 #define AO_AED_F_LINEAR 0x01 /* is a linear address */ 77 #define AO_AED_F_PHYSICAL 0x02 /* is a physical address */ 78 #define AO_AED_F_PAGEALIGNED 0x04 /* aligns to page size */ 79 #define AO_AED_F_L2SETWAY 0x08 /* 3:0 = way, 15/14/13/12:6 = set */ 80 81 #define AO_AED_FLAGS_ADDRTYPE (AO_AED_F_LINEAR | AO_AED_F_PHYSICAL | \ 82 AO_AED_F_PAGEALIGNED | AO_AED_F_L2SETWAY) 83 84 /* 85 * The AO_AED_ET_* flags group individual error dispositions into 86 * error types. This is used to nominate additional telemetry beyond the 87 * architectural bank registers to capture for this error type. 88 */ 89 #define AO_AED_ET_MEMECC 0x0001 /* Main memory ECC error */ 90 91 typedef struct ao_error_disp { 92 const char *aed_class; /* ereport class for use if match */ 93 uint64_t aed_ereport_members; /* ereport contents flags if match */ 94 uint64_t aed_stat_mask; /* status msr bits for match */ 95 uint64_t aed_stat_mask_res; /* status mask result for match */ 96 uint16_t aed_stat_code; /* status code for match */ 97 uint8_t aed_stat_extcode; /* extended status code for match */ 98 uint8_t aed_stat_pp_bits:4; /* AO_MCA_PP_BIT_* for pp matching */ 99 uint8_t aed_stat_ii_bits:4; /* AO_MCA_II_BIT_* for ii matching */ 100 uint16_t aed_stat_r4_bits; /* AO_MCA_R4_BIT_* for r4 matching */ 101 uint8_t aed_addrvalid_hi; /* most significant valid addr bit */ 102 uint8_t aed_addrvalid_lo; /* least significant valid addr bit */ 103 uint8_t aed_panic_when; /* extra conditions for panic */ 104 uint16_t aed_flags; /* AO_AED_F_* */ 105 uint16_t aed_errtype; /* AO_AED_ET_* */ 106 } ao_error_disp_t; 107 108 /* 109 * We store non-architectutal config as inherited from the BIOS to assist 110 * in troubleshooting. 111 */ 112 struct ao_bios_cfg { 113 uint64_t *bcfg_bank_mask; 114 }; 115 116 /* 117 * The master data structure used to hold MCA-related state. 118 */ 119 typedef struct ao_ms_mca { 120 struct ao_bios_cfg ao_mca_bios_cfg; 121 kmutex_t ao_mca_poll_lock; /* keep pollers from colliding */ 122 uint_t ao_mca_flags; /* AO_MCA_F_* */ 123 } ao_ms_mca_t; 124 125 /* 126 * Per-chip shared state 127 */ 128 struct ao_chipshared { 129 uint32_t aos_chiprev; 130 volatile ulong_t aos_cfgonce; /* Config performed once per chip */ 131 hrtime_t aos_nb_poll_timestamp; 132 cmi_hdl_t aos_nb_poll_owner; 133 uint64_t aos_bcfg_nb_misc; /* BIOS value of MC4_MISC MSR */ 134 uint32_t aos_bcfg_nb_cfg; /* BIOS value of NB MCA Config */ 135 uint32_t aos_bcfg_nb_sparectl; /* BIOS value of Online Spare Control */ 136 uint32_t aos_bcfg_dcfg_lo; /* BIOS value of DRAM Config Low */ 137 uint32_t aos_bcfg_dcfg_hi; /* BIOS value of DRAM Config High */ 138 uint32_t aos_bcfg_scrubctl; /* BIOS value of scrub control */ 139 }; 140 141 /* Bit numbers for once-per-chip operations policed by cms_once */ 142 enum ao_cfgonce_bitnum { 143 AO_CFGONCE_NBMCA, 144 AO_CFGONCE_NBCFG, 145 AO_CFGONCE_DRAMCFG 146 }; 147 148 /* 149 * Per-CPU model-specific state 150 */ 151 struct ao_ms_data { 152 cmi_hdl_t ao_ms_hdl; 153 ao_ms_mca_t ao_ms_mca; 154 struct ao_chipshared *ao_ms_shared; 155 uint64_t ao_ms_hwcr_val; 156 }; 157 158 #ifdef _KERNEL 159 160 struct regs; 161 162 /* 163 * Our cms_ops operations and function prototypes for all non-NULL members. 164 */ 165 extern const cms_ops_t _cms_ops; 166 167 extern int ao_ms_init(cmi_hdl_t, void **); 168 extern void ao_ms_post_startup(cmi_hdl_t); 169 extern void ao_ms_post_mpstartup(cmi_hdl_t); 170 extern uint64_t ao_ms_mcgctl_val(cmi_hdl_t, int, uint64_t); 171 extern boolean_t ao_ms_bankctl_skipinit(cmi_hdl_t, int); 172 extern uint64_t ao_ms_bankctl_val(cmi_hdl_t, int, uint64_t); 173 extern void ao_ms_mca_init(cmi_hdl_t, int); 174 extern uint64_t ao_ms_poll_ownermask(cmi_hdl_t, hrtime_t); 175 extern uint32_t ao_ms_error_action(cmi_hdl_t, int, int, uint64_t, 176 uint64_t, uint64_t, void *); 177 extern cms_cookie_t ao_ms_disp_match(cmi_hdl_t, int, int, uint64_t, uint64_t, 178 uint64_t, void *); 179 extern void ao_ms_ereport_class(cmi_hdl_t, cms_cookie_t, const char **, 180 const char **); 181 extern boolean_t ao_ms_ereport_includestack(cmi_hdl_t, cms_cookie_t); 182 extern void ao_ms_ereport_add_logout(cmi_hdl_t, nvlist_t *, 183 nv_alloc_t *, int, uint64_t, uint64_t, uint64_t, void *, void *); 184 extern cms_errno_t ao_ms_msrinject(cmi_hdl_t, uint_t, uint64_t); 185 186 /* 187 * Local functions 188 */ 189 extern void ao_procnode_scrubber_enable(cmi_hdl_t, ao_ms_data_t *); 190 extern void ao_pcicfg_write(uint_t, uint_t, uint_t, uint32_t); 191 extern uint32_t ao_pcicfg_read(uint_t, uint_t, uint_t); 192 extern void ao_bankstatus_prewrite(cmi_hdl_t, ao_ms_data_t *); 193 extern void ao_bankstatus_postwrite(cmi_hdl_t, ao_ms_data_t *); 194 195 #endif /* _KERNEL */ 196 197 #ifdef __cplusplus 198 } 199 #endif 200 201 #endif /* _AO_H */ 202