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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_CPU_MODULE_H 28 #define _SYS_CPU_MODULE_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/pte.h> 33 #include <sys/async.h> 34 #include <sys/x_call.h> 35 #include <sys/conf.h> 36 #include <sys/obpdefs.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 43 #ifdef _KERNEL 44 45 /* 46 * The are functions that are expected of the cpu modules. 47 */ 48 49 extern struct module_ops *moduleops; 50 51 struct kdi; 52 53 /* 54 * module initialization 55 */ 56 void cpu_setup(void); 57 void cpu_kdi_init(struct kdi *); 58 59 /* 60 * set CPU implementation details 61 * 62 * mmu_init_mmu_page_sizes changes the mmu_page_sizes variable from 63 * The default 4 page sizes to 6 page sizes for Panther-only domains, 64 * and is called from fillsysinfo.c:check_cpus_set at early bootup time. 65 */ 66 void cpu_fiximp(dnode_t dnode); 67 #pragma weak mmu_init_mmu_page_sizes 68 int mmu_init_mmu_page_sizes(int cinfo); 69 70 /* 71 * virtual demap flushes (tlbs & virtual tag caches) 72 */ 73 void vtag_flushpage(caddr_t addr, uint_t ctx); 74 void vtag_flushctx(uint_t ctx); 75 void vtag_flushall(void); 76 void vtag_flushpage_tl1(uint64_t addr, uint64_t ctx); 77 void vtag_flush_pgcnt_tl1(uint64_t addr, uint64_t ctx_pgcnt); 78 void vtag_flushctx_tl1(uint64_t ctx, uint64_t dummy); 79 void vtag_flushall_tl1(uint64_t dummy1, uint64_t dummy2); 80 81 /* 82 * virtual alias flushes (virtual address caches) 83 */ 84 void vac_flushpage(pfn_t pf, int color); 85 void vac_flushpage_tl1(uint64_t pf, uint64_t color); 86 void vac_flushcolor(int color, pfn_t pf); 87 void vac_flushcolor_tl1(uint64_t color, uint64_t dummy); 88 89 /* 90 * sending x-calls 91 */ 92 void init_mondo(xcfunc_t *func, uint64_t arg1, uint64_t arg2); 93 void send_one_mondo(int cpuid); 94 #ifdef _MACHDEP 95 void send_mondo_set(cpuset_t set); 96 #endif 97 98 /* 99 * Calculate, set optimal dtlb pagesize, for ISM and mpss, to support 100 * cpus with non-fully-associative dtlbs. 101 */ 102 extern uchar_t *ctx_pgsz_array; 103 104 /* 105 * flush instruction cache if needed 106 */ 107 void flush_instr_mem(caddr_t addr, size_t len); 108 109 /* 110 * flush instruction and data caches 111 */ 112 void kdi_flush_caches(void); 113 114 /* 115 * take pending fp traps if fpq present 116 * this function is also defined in fpusystm.h 117 */ 118 void syncfpu(void); 119 120 /* 121 * Cpu-specific error and ecache handling routines 122 */ 123 void ce_err(void); 124 void ce_err_tl1(void); 125 void async_err(void); 126 void cpu_flush_ecache(void); 127 void cpu_disable_errors(void); 128 /* It could be removed later if prom enables errors */ 129 void cpu_enable_errors(void); 130 void cpu_faulted_enter(struct cpu *); 131 void cpu_faulted_exit(struct cpu *); 132 void cpu_ce_count_unum(struct async_flt *ecc, int len, char *unum); 133 void cpu_ce_scrub_mem_err(struct async_flt *, boolean_t); 134 void cpu_ce_log_err(struct async_flt *, errorq_elem_t *); 135 void cpu_ue_log_err(struct async_flt *); 136 int cpu_aflt_size(void); 137 void cpu_async_panic_callb(void); 138 void cpu_check_allcpus(struct async_flt *aflt); 139 int cpu_get_cpu_unum(int cpuid, char *buf, int buflen, int *lenp); 140 int cpu_get_mem_unum(int synd_status, ushort_t synd, uint64_t afsr, 141 uint64_t afar, int cpuid, int flt_in_memory, 142 ushort_t flt_status, char *buf, int buflen, int *lenp); 143 int cpu_get_mem_unum_aflt(int synd_status, struct async_flt *aflt, 144 char *buf, int buflen, int *lenp); 145 int cpu_get_mem_name(uint64_t synd, uint64_t *afsr, uint64_t afar, 146 char *buf, int buflen, int *lenp); 147 int cpu_get_mem_info(uint64_t synd, uint64_t afar, 148 uint64_t *mem_sizep, uint64_t *seg_sizep, uint64_t *bank_sizep, 149 int *segsp, int *banksp, int *mcidp); 150 size_t cpu_get_name_bufsize(); 151 void read_ecc_data(struct async_flt *ecc, short verbose, short ce_err); 152 /* add clr_datapath to aviod lint warning for ac_test.c temporarily */ 153 void clr_datapath(void); 154 155 #pragma weak itlb_parity_trap 156 void itlb_parity_trap(void); 157 158 #pragma weak dtlb_parity_trap 159 void dtlb_parity_trap(void); 160 161 /* 162 * FMA Protocol and error handling support routines 163 */ 164 165 void cpu_ereport_post(struct async_flt *); 166 void cpu_run_bus_error_handlers(struct async_flt *, int); 167 void cpu_errorq_dispatch(char *, void *, size_t, errorq_t *, uint_t); 168 169 /* 170 * retrieve information from the specified tlb entry. these functions are 171 * called by "cpr" module 172 */ 173 void itlb_rd_entry(uint_t entry, tte_t *tte, uint64_t *va_tag); 174 void dtlb_rd_entry(uint_t entry, tte_t *tte, uint64_t *va_tag); 175 176 /* 177 * this symbol appears as a second label for vtag_flushall 178 * only for cpus that implement DEMAP_ALL_TYPE 179 */ 180 #pragma weak demap_all 181 182 /* 183 * change cpu speed 184 */ 185 void cpu_change_speed(uint64_t divisor, uint64_t arg2); 186 187 /* 188 * ecache scrub operations 189 */ 190 void cpu_init_cache_scrub(void); 191 void cpu_idle_ecache_scrub(struct cpu *); 192 void cpu_busy_ecache_scrub(struct cpu *); 193 194 /* 195 * Cpu private initialize/uninitialize, including ecache scrubber. 196 */ 197 void cpu_init_private(struct cpu *); 198 void cpu_uninit_private(struct cpu *); 199 200 #pragma weak cpu_mp_init 201 void cpu_mp_init(void); 202 203 #pragma weak cpu_feature_init 204 void cpu_feature_init(void); 205 206 #pragma weak cpu_error_init 207 void cpu_error_init(int); 208 209 /* 210 * clock/tick register operations 211 */ 212 void cpu_clearticknpt(void); 213 void cpu_init_tick_freq(void); 214 215 /* 216 * stick synchronization 217 */ 218 void sticksync_slave(void); 219 void sticksync_master(void); 220 221 /* 222 * flags for calling cpu_check_ce 223 */ 224 #define SCRUBBER_CEEN_CHECK 0 225 #define TIMEOUT_CEEN_CHECK 1 226 227 /* 228 * Check for Correctable Errors that may have occurred 229 * while CEEN was disabled. 230 */ 231 void cpu_check_ce(int, uint64_t, caddr_t, uint_t); 232 233 /* initialize kernel context pgsz codes in DMMU primary context register */ 234 void mmu_init_kernel_pgsz(struct hat *hat); 235 236 /* get large page size for kernel heap */ 237 size_t mmu_get_kernel_lpsize(size_t value); 238 239 #endif /* _KERNEL */ 240 241 #ifdef __cplusplus 242 } 243 #endif 244 245 #endif /* _SYS_CPU_MODULE_H */ 246