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 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_CPU_MODULE_H 27 #define _SYS_CPU_MODULE_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #include <sys/pte.h> 32 #include <sys/async.h> 33 #include <sys/x_call.h> 34 #include <sys/conf.h> 35 #include <sys/obpdefs.h> 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 42 #ifdef _KERNEL 43 44 /* 45 * The are functions that are expected of the cpu modules. 46 */ 47 48 extern struct module_ops *moduleops; 49 50 struct kdi; 51 52 /* 53 * module initialization 54 */ 55 void cpu_setup(void); 56 void cpu_kdi_init(struct kdi *); 57 58 /* 59 * set CPU implementation details 60 * 61 * set Panther CPU implementation details 62 * 63 * On Panther-only domains and Olympus-C, mmu_init_mmu_page_sizes 64 * changes the mmu_page_sizes variable from the default 4 page sizes 65 * to 6 page sizes and is called from fillsysinfo.c:check_cpus_set 66 * at early bootup time. 67 */ 68 void cpu_fiximp(pnode_t dnode); 69 #pragma weak cpu_fix_allpanther 70 void cpu_fix_allpanther(void); 71 #pragma weak mmu_init_mmu_page_sizes 72 int mmu_init_mmu_page_sizes(int cinfo); 73 74 /* 75 * virtual demap flushes (tlbs & virtual tag caches) 76 */ 77 void vtag_flushpage(caddr_t addr, uint_t ctx); 78 void vtag_flushctx(uint_t ctx); 79 void vtag_flushall(void); 80 void vtag_flushpage_tl1(uint64_t addr, uint64_t ctx); 81 void vtag_flush_pgcnt_tl1(uint64_t addr, uint64_t ctx_pgcnt); 82 void vtag_flushctx_tl1(uint64_t ctx, uint64_t dummy); 83 void vtag_flushall_tl1(uint64_t dummy1, uint64_t dummy2); 84 85 /* 86 * virtual alias flushes (virtual address caches) 87 */ 88 void vac_flushpage(pfn_t pf, int color); 89 void vac_flushpage_tl1(uint64_t pf, uint64_t color); 90 void vac_flushcolor(int color, pfn_t pf); 91 void vac_flushcolor_tl1(uint64_t color, uint64_t dummy); 92 93 /* 94 * sending x-calls 95 */ 96 void init_mondo(xcfunc_t *func, uint64_t arg1, uint64_t arg2); 97 void send_one_mondo(int cpuid); 98 #ifdef _MACHDEP 99 void send_mondo_set(cpuset_t set); 100 #endif 101 102 /* 103 * Calculate, set optimal dtlb pagesize, for ISM and mpss, to support 104 * cpus with non-fully-associative dtlbs. 105 */ 106 extern uchar_t *ctx_pgsz_array; 107 108 /* 109 * flush instruction cache if needed 110 */ 111 void flush_instr_mem(caddr_t addr, size_t len); 112 113 /* 114 * flush instruction and data caches 115 */ 116 void kdi_flush_caches(void); 117 118 /* 119 * take pending fp traps if fpq present 120 * this function is also defined in fpusystm.h 121 */ 122 void syncfpu(void); 123 124 /* 125 * Cpu-specific error and ecache handling routines 126 */ 127 void ce_err(void); 128 void ce_err_tl1(void); 129 void async_err(void); 130 void cpu_flush_ecache(void); 131 void cpu_disable_errors(void); 132 /* It could be removed later if prom enables errors */ 133 void cpu_enable_errors(void); 134 void cpu_faulted_enter(struct cpu *); 135 void cpu_faulted_exit(struct cpu *); 136 void cpu_ce_count_unum(struct async_flt *ecc, int len, char *unum); 137 void cpu_ce_scrub_mem_err(struct async_flt *, boolean_t); 138 void cpu_ce_log_err(struct async_flt *, errorq_elem_t *); 139 void cpu_ue_log_err(struct async_flt *); 140 int cpu_aflt_size(void); 141 void cpu_async_panic_callb(void); 142 void cpu_check_allcpus(struct async_flt *aflt); 143 int cpu_get_cpu_unum(int cpuid, char *buf, int buflen, int *lenp); 144 145 /* Interfaces for getting memory-related information */ 146 int cpu_get_mem_name(uint64_t synd, uint64_t *afsr, uint64_t afar, 147 char *buf, int buflen, int *lenp); 148 int cpu_get_mem_info(uint64_t synd, uint64_t afar, 149 uint64_t *mem_sizep, uint64_t *seg_sizep, uint64_t *bank_sizep, 150 int *segsp, int *banksp, int *mcidp); 151 size_t cpu_get_name_bufsize(); 152 extern int cpu_get_mem_addr(char *unum, char *sid, uint64_t offset, 153 uint64_t *addrp); 154 155 /* 156 * FMA Event Memory Routines 157 * 158 * The following routines are used by FMA Event generators to retrieve data 159 * to store in memory ereports. These routines may call through to platform- 160 * specific code and/or drivers, and can be called from passive context, low- 161 * level interrupt context, or panic context. They may grab adaptive locks, 162 * but should not be allocating new data structures or calling cv_wait(). 163 */ 164 int cpu_get_mem_unum(int synd_status, ushort_t synd, uint64_t afsr, 165 uint64_t afar, int cpuid, int flt_in_memory, 166 ushort_t flt_status, char *buf, int buflen, int *lenp); 167 int cpu_get_mem_unum_aflt(int synd_status, struct async_flt *aflt, 168 char *buf, int buflen, int *lenp); 169 extern int cpu_get_mem_sid(char *unum, char *buf, int buflen, int *lenp); 170 extern int cpu_get_mem_offset(uint64_t flt_addr, uint64_t *offp); 171 172 void read_ecc_data(struct async_flt *ecc, short verbose, short ce_err); 173 /* add clr_datapath to aviod lint warning for ac_test.c temporarily */ 174 void clr_datapath(void); 175 176 #pragma weak itlb_parity_trap 177 void itlb_parity_trap(void); 178 179 #pragma weak dtlb_parity_trap 180 void dtlb_parity_trap(void); 181 182 /* 183 * FMA Protocol and error handling support routines 184 */ 185 186 void cpu_ereport_post(struct async_flt *); 187 void cpu_run_bus_error_handlers(struct async_flt *, int); 188 void cpu_errorq_dispatch(char *, void *, size_t, errorq_t *, uint_t); 189 190 /* 191 * retrieve information from the specified tlb entry. these functions are 192 * called by "cpr" module 193 */ 194 void itlb_rd_entry(uint_t entry, tte_t *tte, uint64_t *va_tag); 195 void dtlb_rd_entry(uint_t entry, tte_t *tte, uint64_t *va_tag); 196 197 /* 198 * this symbol appears as a second label for vtag_flushall 199 * only for cpus that implement DEMAP_ALL_TYPE 200 */ 201 #pragma weak demap_all 202 203 /* 204 * change cpu speed 205 */ 206 void cpu_change_speed(uint64_t divisor, uint64_t arg2); 207 208 /* 209 * ecache scrub operations 210 */ 211 void cpu_init_cache_scrub(void); 212 void cpu_idle_ecache_scrub(struct cpu *); 213 void cpu_busy_ecache_scrub(struct cpu *); 214 215 /* 216 * Cpu private initialize/uninitialize, including ecache scrubber. 217 */ 218 void cpu_init_private(struct cpu *); 219 void cpu_uninit_private(struct cpu *); 220 221 #pragma weak cpu_mp_init 222 void cpu_mp_init(void); 223 224 #pragma weak cpu_feature_init 225 void cpu_feature_init(void); 226 227 #pragma weak cpu_error_init 228 void cpu_error_init(int); 229 230 /* 231 * clock/tick register operations 232 */ 233 void cpu_clearticknpt(void); 234 void cpu_init_tick_freq(void); 235 236 /* 237 * stick synchronization 238 */ 239 void sticksync_slave(void); 240 void sticksync_master(void); 241 242 /* 243 * flags for calling cpu_check_ce 244 */ 245 #define SCRUBBER_CEEN_CHECK 0 246 #define TIMEOUT_CEEN_CHECK 1 247 248 /* 249 * Check for Correctable Errors that may have occurred 250 * while CEEN was disabled. 251 */ 252 void cpu_check_ce(int, uint64_t, caddr_t, uint_t); 253 254 /* initialize kernel context pgsz codes in DMMU primary context register */ 255 void mmu_init_kernel_pgsz(struct hat *hat); 256 257 /* get large page size for kernel heap */ 258 size_t mmu_get_kernel_lpsize(size_t value); 259 260 #endif /* _KERNEL */ 261 262 #ifdef __cplusplus 263 } 264 #endif 265 266 #endif /* _SYS_CPU_MODULE_H */ 267