osfmk/chud/chud_xnu.h

   1 /*
   2  * Copyright (c) 2003-2008 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 #ifndef _CHUD_XNU_H_
  30 #define _CHUD_XNU_H_
  31
  32 #include <stdint.h>
  33 #include <mach/boolean.h>
  34 #include <mach/mach_types.h>
  35 #include <kern/thread_call.h>
  36
  37 #if 0
  38 #pragma mark **** version ****
  39 #endif
  40 extern uint32_t chudxnu_version(void);
  41
  42 #if 0
  43 #pragma mark **** task ****
  44 #endif
  45 // ********************************************************************************
  46 // task
  47 // ********************************************************************************
  48 extern task_t chudxnu_task_for_pid(int pid);
  49 extern int chudxnu_pid_for_task(task_t task);
  50 extern int chudxnu_current_pid(void);
  51 extern task_t chudxnu_current_task(void);
  52
  53 extern kern_return_t chudxnu_task_read(task_t task, void *kernaddr, uint64_t usraddr, vm_size_t size);
  54 extern kern_return_t chudxnu_task_write(task_t task, uint64_t useraddr, void *kernaddr, vm_size_t size);
  55 extern kern_return_t chudxnu_kern_read(void *destaddr, vm_offset_t srcaddr, vm_size_t size);
  56 extern kern_return_t chudxnu_kern_write(vm_offset_t destaddr, void *srcaddr, vm_size_t size);
  57
  58 extern boolean_t chudxnu_is_64bit_task(task_t task);
  59
  60 #if 0
  61 #pragma mark **** thread ****
  62 #endif
  63 // ********************************************************************************
  64 // thread
  65 // ********************************************************************************
  66 extern thread_t chudxnu_current_thread(void);
  67 extern task_t chudxnu_task_for_thread(thread_t thread);
  68
  69 extern kern_return_t chudxnu_bind_thread(thread_t thread, int cpu, int options);
  70 extern kern_return_t chudxnu_unbind_thread(thread_t thread, int options);
  71
  72 extern kern_return_t chudxnu_thread_get_state(thread_t thread, thread_flavor_t flavor, thread_state_t tstate, mach_msg_type_number_t *count, boolean_t user_only);
  73 extern kern_return_t chudxnu_thread_set_state(thread_t thread, thread_flavor_t flavor, thread_state_t tstate, mach_msg_type_number_t count, boolean_t user_only);
  74 extern kern_return_t chudxnu_thread_user_state_available(thread_t thread);
  75
  76 extern kern_return_t chudxnu_thread_get_callstack64(thread_t thread, uint64_t *callStack, mach_msg_type_number_t *count, boolean_t user_only);
  77
  78 extern kern_return_t chudxnu_all_tasks(task_array_t *task_list, mach_msg_type_number_t *count);
  79 extern kern_return_t chudxnu_free_task_list(task_array_t *task_list, mach_msg_type_number_t     *count);
  80
  81 extern kern_return_t chudxnu_all_threads(thread_array_t *thread_list, mach_msg_type_number_t *count);
  82 extern kern_return_t chudxnu_task_threads(task_t task, thread_array_t *thread_list, mach_msg_type_number_t *count);
  83 extern kern_return_t chudxnu_free_thread_list(thread_array_t *thread_list, mach_msg_type_number_t *count);
  84
  85 extern kern_return_t chudxnu_thread_info(  thread_t thread, thread_flavor_t flavor, thread_info_t thread_info_out, mach_msg_type_number_t *thread_info_count);
  86
  87 extern kern_return_t chudxnu_thread_last_context_switch(thread_t thread, uint64_t *timestamp);
  88
  89 extern boolean_t chudxnu_thread_set_marked(thread_t thread, boolean_t marked);
  90 extern boolean_t chudxnu_thread_get_marked(thread_t thread);
  91 extern boolean_t chudxnu_thread_get_idle(thread_t thread);
  92
  93 #if 0
  94 #pragma mark **** memory ****
  95 #endif
  96 // ********************************************************************************
  97 // memory
  98 // ********************************************************************************
  99
 100 extern uint64_t chudxnu_avail_memory_size(void);
 101 extern uint64_t chudxnu_phys_memory_size(void);
 102 extern uint64_t chudxnu_free_memory_size(void);
 103 extern uint64_t chudxnu_inactive_memory_size(void);
 104
 105 #if 0
 106 #pragma mark **** cpu ****
 107 #endif
 108 // ********************************************************************************
 109 // cpu
 110 // ********************************************************************************
 111 extern int chudxnu_logical_cpu_count(void);
 112 extern int chudxnu_phys_cpu_count(void);
 113 extern int chudxnu_cpu_number(void);
 114
 115 extern kern_return_t chudxnu_enable_cpu(int cpu, boolean_t enable);
 116
 117 extern boolean_t chudxnu_get_interrupts_enabled(void);
 118 extern boolean_t chudxnu_set_interrupts_enabled(boolean_t enable);
 119 extern boolean_t chudxnu_at_interrupt_context(void);
 120 extern void chudxnu_cause_interrupt(void);
 121
 122 extern void chudxnu_enable_preemption(void);
 123 extern void chudxnu_disable_preemption(void);
 124 extern int chudxnu_get_preemption_level(void);
 125
 126 extern kern_return_t chudxnu_perfmon_acquire_facility(task_t);
 127 extern kern_return_t chudxnu_perfmon_release_facility(task_t);
 128
 129 typedef struct {
 130     uint32_t hwResets;
 131     uint32_t hwMachineChecks;
 132     uint32_t hwDSIs;
 133     uint32_t hwISIs;
 134     uint32_t hwExternals;
 135     uint32_t hwAlignments;
 136     uint32_t hwPrograms;
 137     uint32_t hwFloatPointUnavailable;
 138     uint32_t hwDecrementers;
 139     uint32_t hwIOErrors;
 140     uint32_t hwSystemCalls;
 141     uint32_t hwTraces;
 142     uint32_t hwFloatingPointAssists;
 143     uint32_t hwPerformanceMonitors;
 144     uint32_t hwAltivecs;
 145     uint32_t hwInstBreakpoints;
 146     uint32_t hwSystemManagements;
 147     uint32_t hwAltivecAssists;
 148     uint32_t hwThermal;
 149     uint32_t hwSoftPatches;
 150     uint32_t hwMaintenances;
 151     uint32_t hwInstrumentations;
 152 } interrupt_counters_t;
 153
 154 extern kern_return_t chudxnu_get_cpu_interrupt_counters(int cpu, interrupt_counters_t *rupts);
 155 extern kern_return_t chudxnu_clear_cpu_interrupt_counters(int cpu);
 156
 157 #if 0
 158 #pragma mark **** callbacks ****
 159 #endif
 160 // ********************************************************************************
 161 // callbacks
 162 // ********************************************************************************
 163
 164 extern void chudxnu_cancel_all_callbacks(void);
 165
 166 // cpu timer - each cpu has its own callback
 167 typedef kern_return_t (*chudxnu_cpu_timer_callback_func_t)(thread_flavor_t flavor, thread_state_t tstate,  mach_msg_type_number_t count);
 168 extern kern_return_t chudxnu_cpu_timer_callback_enter(chudxnu_cpu_timer_callback_func_t func, uint32_t time, uint32_t units); // callback is entered on current cpu
 169 extern kern_return_t chudxnu_cpu_timer_callback_cancel(void); // callback is cleared on current cpu
 170 extern kern_return_t chudxnu_cpu_timer_callback_cancel_all(void); // callback is cleared on all cpus
 171
 172 enum {
 173     PPC_TRAP_PROGRAM            = 0x700,
 174     PPC_TRAP_TRACE              = 0xD00,
 175     PPC_TRAP_PERFMON            = 0xF00,
 176 };
 177
 178 enum {
 179         X86_TRAP_DEBUG                  = 0x1,
 180 };
 181
 182 // trap callback - one callback for system
 183 typedef kern_return_t (*chudxnu_trap_callback_func_t)(uint32_t trapentry, thread_flavor_t flavor, thread_state_t tstate,  mach_msg_type_number_t count);
 184 extern kern_return_t chudxnu_trap_callback_enter(chudxnu_trap_callback_func_t func);
 185 extern kern_return_t chudxnu_trap_callback_cancel(void);
 186
 187 enum {
 188     PPC_INTERRUPT_DECREMENTER   = 0x900,
 189     PPC_INTERRUPT_INTERRUPT     = 0x500,
 190     PPC_INTERRUPT_CPU_SIGNAL    = 0x2200,
 191 };
 192
 193 enum {
 194     X86_INTERRUPT_PERFMON       = 0xB,
 195 };
 196
 197 // interrupt callback - one callback for system
 198 typedef kern_return_t (*chudxnu_interrupt_callback_func_t)(uint32_t trapentry, thread_flavor_t flavor, thread_state_t tstate,  mach_msg_type_number_t count);
 199 extern kern_return_t chudxnu_interrupt_callback_enter(chudxnu_interrupt_callback_func_t func);
 200 extern kern_return_t chudxnu_interrupt_callback_cancel(void);
 201
 202 // ast callback - one callback for system
 203 typedef kern_return_t (*chudxnu_perfmon_ast_callback_func_t)(thread_flavor_t flavor, thread_state_t tstate,  mach_msg_type_number_t count);
 204 extern kern_return_t chudxnu_perfmon_ast_callback_enter(chudxnu_perfmon_ast_callback_func_t func);
 205 extern kern_return_t chudxnu_perfmon_ast_callback_cancel(void);
 206 extern kern_return_t chudxnu_perfmon_ast_send_urgent(boolean_t urgent);
 207
 208 // cpusig callback - one callback for system
 209 typedef kern_return_t (*chudxnu_cpusig_callback_func_t)(int request, thread_flavor_t flavor, thread_state_t tstate, mach_msg_type_number_t count);
 210 extern kern_return_t chudxnu_cpusig_callback_enter(chudxnu_cpusig_callback_func_t func);
 211 extern kern_return_t chudxnu_cpusig_callback_cancel(void);
 212 extern kern_return_t chudxnu_cpusig_send(int otherCPU, uint32_t request);
 213
 214 // kdebug callback - one callback for system
 215 typedef kern_return_t (*chudxnu_kdebug_callback_func_t)(uint32_t debugid, uintptr_t arg0, uintptr_t arg1, uintptr_t arg2, uintptr_t arg3, uintptr_t arg4);
 216 extern kern_return_t chudxnu_kdebug_callback_enter(chudxnu_kdebug_callback_func_t func);
 217 extern kern_return_t chudxnu_kdebug_callback_cancel(void);
 218
 219 // timer callback - multiple callbacks
 220 typedef kern_return_t (*chudxnu_timer_callback_func_t)(thread_call_param_t param0, thread_call_param_t param1);
 221 typedef void *  chud_timer_t;
 222 extern chud_timer_t chudxnu_timer_alloc(chudxnu_timer_callback_func_t func, thread_call_param_t param0);
 223 extern kern_return_t chudxnu_timer_callback_enter(chud_timer_t timer, thread_call_param_t param1, uint32_t time, uint32_t units);
 224 extern kern_return_t chudxnu_timer_callback_cancel(chud_timer_t timer);
 225 extern kern_return_t chudxnu_timer_free(chud_timer_t timer);
 226
 227 // CHUD systemcall callback - one callback for system
 228 typedef kern_return_t (*chudxnu_syscall_callback_func_t)(uint64_t code, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4, uint64_t arg5);
 229 extern kern_return_t chudxnu_syscall_callback_enter(chudxnu_syscall_callback_func_t func);
 230 extern kern_return_t chudxnu_syscall_callback_cancel(void);
 231
 232 // DTrace Triggering
 233 typedef kern_return_t (*chudxnu_dtrace_callback_t)(uint64_t selector, uint64_t *args, uint32_t count);
 234 extern int chudxnu_dtrace_callback(uint64_t selector, uint64_t *args, uint32_t count);
 235 extern kern_return_t chudxnu_dtrace_callback_enter(chudxnu_dtrace_callback_t fn);
 236 extern void chudxnu_dtrace_callback_cancel(void);
 237
 238 // ********************************************************************************
 239 // DEPRECATED
 240 // ********************************************************************************
 241 extern kern_return_t chudxnu_thread_get_callstack(thread_t thread, uint32_t *callStack, mach_msg_type_number_t *count, boolean_t user_only);
 242
 243 extern kern_return_t chudxnu_set_shadowed_spr(int cpu, int spr, uint32_t val);
 244 extern kern_return_t chudxnu_set_shadowed_spr64(int cpu, int spr, uint64_t val);
 245
 246 extern kern_return_t chudxnu_enable_cpu_nap(int cpu, boolean_t enable);
 247 extern boolean_t chudxnu_cpu_nap_enabled(int cpu);
 248
 249 extern uint32_t chudxnu_get_orig_cpu_l2cr(int cpu);
 250 extern uint32_t chudxnu_get_orig_cpu_l3cr(int cpu);
 251
 252 extern kern_return_t chudxnu_read_spr(int cpu, int spr, uint32_t *val_p);
 253 extern kern_return_t chudxnu_read_spr64(int cpu, int spr, uint64_t *val_p);
 254 extern kern_return_t chudxnu_write_spr(int cpu, int spr, uint32_t val);
 255 extern kern_return_t chudxnu_write_spr64(int cpu, int spr, uint64_t val);
 256
 257 extern void chudxnu_flush_caches(void);
 258 extern void chudxnu_enable_caches(boolean_t enable);
 259
 260 #endif /* _CHUD_XNU_H_ */