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) 1993, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 /* 26 * Copyright (c) 2010, Intel Corporation. 27 * All rights reserved. 28 * Copyright 2018 Joyent, Inc. 29 */ 30 31 #ifndef _SYS_MACHSYSTM_H 32 #define _SYS_MACHSYSTM_H 33 34 /* 35 * Numerous platform-dependent interfaces that don't seem to belong 36 * in any other header file. 37 * 38 * This file should not be included by code that purports to be 39 * platform-independent. 40 * 41 */ 42 43 #include <sys/machparam.h> 44 #include <sys/varargs.h> 45 #include <sys/thread.h> 46 #include <sys/cpuvar.h> 47 #include <sys/privregs.h> 48 #include <sys/systm.h> 49 #include <sys/traptrace.h> 50 #include <vm/page.h> 51 52 #ifdef __cplusplus 53 extern "C" { 54 #endif 55 56 #ifdef _KERNEL 57 58 typedef enum mach_cpu_add_arg_type { 59 MACH_CPU_ARG_LOCAL_APIC, 60 MACH_CPU_ARG_LOCAL_X2APIC, 61 } mach_cpu_add_arg_type_t; 62 63 typedef struct mach_cpu_add_arg { 64 mach_cpu_add_arg_type_t type; 65 union { 66 struct { 67 uint32_t apic_id; 68 uint32_t proc_id; 69 } apic; 70 } arg; 71 } mach_cpu_add_arg_t; 72 73 extern void mach_cpu_idle(void); 74 extern int mach_cpu_halt(xc_arg_t, xc_arg_t, xc_arg_t); 75 extern int mach_cpu_start(cpu_t *, void *); 76 extern int mach_cpuid_start(processorid_t, void *); 77 extern int mach_cpu_stop(cpu_t *, void *); 78 extern int mach_cpu_add(mach_cpu_add_arg_t *, processorid_t *); 79 extern int mach_cpu_remove(processorid_t); 80 extern int mach_cpu_create_device_node(cpu_t *, dev_info_t **); 81 extern int mach_cpu_get_device_node(cpu_t *, dev_info_t **); 82 83 extern int Cpudelay; 84 extern void setcpudelay(void); 85 86 extern void send_dirint(int, int); 87 extern void siron(void); 88 extern void sir_on(int); 89 90 extern void return_instr(void); 91 92 extern int kcpc_hw_load_pcbe(void); 93 extern void kcpc_hw_init(cpu_t *cp); 94 extern void kcpc_hw_fini(cpu_t *cp); 95 extern int kcpc_hw_overflow_intr_installed; 96 97 struct panic_trap_info { 98 struct regs *trap_regs; 99 uint_t trap_type; 100 caddr_t trap_addr; 101 }; 102 103 struct memconf { 104 pfn_t mcf_spfn; /* begin page frame number */ 105 pfn_t mcf_epfn; /* end page frame number */ 106 }; 107 108 struct system_hardware { 109 int hd_nodes; /* number of nodes */ 110 int hd_cpus_per_node; /* max cpus in a node */ 111 struct memconf hd_mem[MAXNODES]; 112 /* 113 * memory layout for each 114 * node. 115 */ 116 }; 117 extern struct system_hardware system_hardware; 118 extern void get_system_configuration(void); 119 extern void mmu_init(void); 120 extern int cpuid2nodeid(int); 121 extern void map_kaddr(caddr_t, pfn_t, int, int); 122 123 extern void memscrub_init(void); 124 extern void trap(struct regs *, caddr_t, processorid_t); 125 126 extern void do_interrupt(struct regs *, trap_trace_rec_t *); 127 extern void memscrub_disable(void); 128 129 /* 130 * Interrupt handling hooks 131 */ 132 extern void (*do_interrupt_common)(struct regs *, trap_trace_rec_t *); 133 extern uintptr_t (*get_intr_handler)(int, short); 134 135 /* 136 * Dispatcher hooks. 137 */ 138 void (*idle_cpu)(); 139 void (*non_deep_idle_cpu)(); 140 void (*disp_enq_thread)(cpu_t *, int); 141 void (*non_deep_idle_disp_enq_thread)(cpu_t *, int); 142 143 #ifndef __xpv 144 extern unsigned int microdata; 145 #endif 146 147 extern int use_mp; 148 149 extern struct cpu cpus[]; /* pointer to other cpus */ 150 extern struct cpu *cpu[]; /* pointer to all cpus */ 151 152 /* Operation types for extended mach_cpucontext interfaces */ 153 #define MACH_CPUCONTEXT_OP_START 0 154 #define MACH_CPUCONTEXT_OP_STOP 1 155 156 extern int mach_cpucontext_init(void); 157 extern void mach_cpucontext_fini(void); 158 extern void *mach_cpucontext_alloc(struct cpu *); 159 extern void mach_cpucontext_free(struct cpu *, void *, int); 160 extern void *mach_cpucontext_xalloc(struct cpu *, int); 161 extern void mach_cpucontext_xfree(struct cpu *, void *, int, int); 162 extern void rmp_gdt_init(rm_platter_t *); 163 164 extern uintptr_t hole_start, hole_end; 165 166 #define INVALID_VADDR(a) \ 167 (((a) >= (caddr_t)hole_start && (a) < (caddr_t)hole_end)) 168 169 /* kpm mapping window */ 170 extern size_t kpm_size; 171 extern uchar_t kpm_size_shift; 172 extern caddr_t kpm_vbase; 173 174 struct memlist; 175 extern void memlist_add(uint64_t, uint64_t, struct memlist *, 176 struct memlist **); 177 extern page_t *page_get_physical(uintptr_t seed); 178 extern int linear_pc(struct regs *rp, proc_t *p, caddr_t *linearp); 179 extern int dtrace_linear_pc(struct regs *rp, proc_t *p, caddr_t *linearp); 180 181 extern int force_shutdown_method; 182 183 /* Dynamic Reconfiguration capability interface. */ 184 #define PLAT_DR_OPTIONS_NAME "plat-dr-options" 185 #define PLAT_DR_PHYSMAX_NAME "plat-dr-physmax" 186 #define PLAT_MAX_NCPUS_NAME "plat-max-ncpus" 187 #define BOOT_MAX_NCPUS_NAME "boot-max-ncpus" 188 #define BOOT_NCPUS_NAME "boot-ncpus" 189 190 #define PLAT_DR_FEATURE_CPU 0x1 191 #define PLAT_DR_FEATURE_MEMORY 0x2 192 #define PLAT_DR_FEATURE_ENABLED 0x1000000 193 194 #define plat_dr_enabled() \ 195 plat_dr_check_capability(PLAT_DR_FEATURE_ENABLED) 196 197 #define plat_dr_enable() \ 198 plat_dr_enable_capability(PLAT_DR_FEATURE_ENABLED) 199 200 #define plat_dr_disable_cpu() \ 201 plat_dr_disable_capability(PLAT_DR_FEATURE_CPU) 202 #define plat_dr_disable_memory() \ 203 plat_dr_disable_capability(PLAT_DR_FEATURE_MEMORY) 204 205 extern boolean_t plat_dr_support_cpu(void); 206 extern boolean_t plat_dr_support_memory(void); 207 extern boolean_t plat_dr_check_capability(uint64_t features); 208 extern void plat_dr_enable_capability(uint64_t features); 209 extern void plat_dr_disable_capability(uint64_t features); 210 211 #pragma weak plat_dr_support_cpu 212 #pragma weak plat_dr_support_memory 213 214 /* 215 * Used to communicate DR updates to platform lgroup framework 216 */ 217 typedef struct { 218 uint64_t u_base; 219 uint64_t u_length; 220 uint32_t u_domain; 221 uint32_t u_device_id; 222 uint32_t u_sli_cnt; 223 uchar_t *u_sli_ptr; 224 } update_membounds_t; 225 226 /* Maximum physical page number (PFN) for memory DR operations. */ 227 extern uint64_t plat_dr_physmax; 228 229 #ifdef __xpv 230 #include <sys/xen_mmu.h> 231 extern page_t *page_get_high_mfn(mfn_t); 232 #endif 233 234 extern hrtime_t tsc_gethrtime_tick_delta(void); 235 extern hrtime_t tsc_gethrtime_params(uint64_t *, uint32_t *, uint8_t *); 236 237 #endif /* _KERNEL */ 238 239 #ifdef __cplusplus 240 } 241 #endif 242 243 #endif /* _SYS_MACHSYSTM_H */ 244