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1.1 ! root 1: /* ! 2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. ! 3: * ! 4: * @APPLE_LICENSE_HEADER_START@ ! 5: * ! 6: * The contents of this file constitute Original Code as defined in and ! 7: * are subject to the Apple Public Source License Version 1.1 (the ! 8: * "License"). You may not use this file except in compliance with the ! 9: * License. Please obtain a copy of the License at ! 10: * http://www.apple.com/publicsource and read it before using this file. ! 11: * ! 12: * This Original Code and all software distributed under the License are ! 13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER ! 14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, ! 15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, ! 16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the ! 17: * License for the specific language governing rights and limitations ! 18: * under the License. ! 19: * ! 20: * @APPLE_LICENSE_HEADER_END@ ! 21: */ ! 22: /* ! 23: * @OSF_COPYRIGHT@ ! 24: * ! 25: */ ! 26: ! 27: #ifndef _MK_SP_H_ ! 28: #define _MK_SP_H_ ! 29: ! 30: /* ! 31: * Include Files ! 32: */ ! 33: ! 34: #include <kern/counters.h> ! 35: ! 36: /* ! 37: * Scheduling policy operation prototypes ! 38: */ ! 39: ! 40: sf_return_t _mk_sp_init( ! 41: sf_object_t policy, ! 42: int policy_id, ! 43: int priority_mask_length, ! 44: sf_priority_mask *priority_mask); ! 45: ! 46: sf_return_t _mk_sp_enable_processor_set( ! 47: sf_object_t policy, ! 48: processor_set_t processor_set); ! 49: ! 50: sf_return_t _mk_sp_disable_processor_set( ! 51: sf_object_t policy, ! 52: processor_set_t processor_set); ! 53: ! 54: sf_return_t _mk_sp_enable_processor( ! 55: sf_object_t policy, ! 56: processor_t processor); ! 57: ! 58: sf_return_t _mk_sp_disable_processor( ! 59: sf_object_t policy, ! 60: processor_t processor); ! 61: ! 62: sf_return_t _mk_sp_thread_update_mpri( ! 63: sf_object_t policy, ! 64: sched_thread_t thread); ! 65: ! 66: sf_return_t _mk_sp_thread_unblock( ! 67: sf_object_t policy, ! 68: sched_thread_t thread); ! 69: ! 70: sf_return_t _mk_sp_thread_done( ! 71: sf_object_t policy, ! 72: sched_thread_t old_thread); ! 73: ! 74: sf_return_t _mk_sp_thread_begin( ! 75: sf_object_t policy, ! 76: sched_thread_t new_thread); ! 77: ! 78: sf_return_t _mk_sp_thread_dispatch( ! 79: sf_object_t policy, ! 80: sched_thread_t old_thread); ! 81: ! 82: sf_return_t _mk_sp_thread_attach( ! 83: sf_object_t policy, ! 84: sched_thread_t thread); ! 85: ! 86: sf_return_t _mk_sp_thread_detach( ! 87: sf_object_t policy, ! 88: sched_thread_t thread); ! 89: ! 90: sf_return_t _mk_sp_thread_processor( ! 91: sf_object_t policy, ! 92: sched_thread_t *thread, ! 93: processor_t processor); ! 94: ! 95: sf_return_t _mk_sp_thread_processor_set( ! 96: sf_object_t policy, ! 97: sched_thread_t thread, ! 98: processor_set_t processor_set); ! 99: ! 100: sf_return_t _mk_sp_thread_set( ! 101: sf_object_t policy, ! 102: sched_thread_t thread, ! 103: sp_attributes_t policy_attributes); ! 104: ! 105: sf_return_t _mk_sp_thread_get( ! 106: sf_object_t policy, ! 107: sched_thread_t thread, ! 108: sp_attributes_t policy_attributes, ! 109: sp_attributes_size_t size); ! 110: ! 111: int _mk_sp_db_print_sched_stats( ! 112: sf_object_t policy, ! 113: sched_thread_t thread); ! 114: ! 115: void _mk_sp_swtch_pri( ! 116: sf_object_t policy, ! 117: int pri); ! 118: ! 119: kern_return_t _mk_sp_thread_switch( ! 120: sf_object_t policy, ! 121: thread_act_t hint_act, ! 122: int option, ! 123: mach_msg_timeout_t option_time); ! 124: ! 125: kern_return_t _mk_sp_thread_depress_abort( ! 126: sf_object_t policy, ! 127: sched_thread_t thread); ! 128: ! 129: void _mk_sp_thread_depress_timeout( ! 130: sf_object_t policy, ! 131: thread_t thread); ! 132: ! 133: sf_return_t _mk_sp_task_attach( ! 134: sf_object_t policy, ! 135: task_t task); ! 136: ! 137: sf_return_t _mk_sp_task_detach( ! 138: sf_object_t policy, ! 139: task_t task); ! 140: ! 141: kern_return_t _mk_sp_task_policy( ! 142: sf_object_t policy, ! 143: task_t task, ! 144: policy_t policy_id, ! 145: policy_base_t base, ! 146: mach_msg_type_number_t count, ! 147: boolean_t set_limit, ! 148: boolean_t change, ! 149: policy_limit_t *limit_ptr, ! 150: int *lc_ptr); ! 151: ! 152: kern_return_t _mk_sp_task_set_policy( ! 153: sf_object_t policy, ! 154: task_t task, ! 155: processor_set_t pset, ! 156: policy_t policy_id, ! 157: policy_base_t base, ! 158: mach_msg_type_number_t base_count, ! 159: policy_limit_t limit, ! 160: mach_msg_type_number_t limit_count, ! 161: boolean_t change); ! 162: ! 163: kern_return_t _mk_sp_task_set_sched( ! 164: sf_object_t policy, ! 165: task_t task, ! 166: policy_t policy_id, ! 167: sched_attr_t sched_attr, ! 168: mach_msg_type_number_t sched_attrCnt, ! 169: boolean_t set_limit, ! 170: boolean_t change); ! 171: ! 172: kern_return_t _mk_sp_task_get_sched( ! 173: sf_object_t policy, ! 174: task_t task, ! 175: policy_t policy_id, ! 176: sched_attr_t sched_attr, ! 177: mach_msg_type_number_t sched_attrCnt, ! 178: mach_msg_type_number_t sched_attr_size); ! 179: ! 180: boolean_t _mk_sp_thread_runnable( ! 181: sf_object_t policy, ! 182: sched_thread_t thread); ! 183: ! 184: sf_return_t _mk_sp_alarm_expired( ! 185: sf_object_t policy, ! 186: long alarm_seqno, ! 187: kern_return_t result, ! 188: int alarm_type, ! 189: mach_timespec_t wakeup_time, ! 190: void *alarm_data); ! 191: ! 192: /* ! 193: * Type definitions ! 194: */ ! 195: typedef int mk_sp_state_t; ! 196: ! 197: #define MK_SP_ATTACHED ( 0x0001 ) ! 198: #define MK_SP_RUNNABLE ( 0x0002 ) ! 199: #define MK_SP_BLOCKED ( 0x0004 ) ! 200: ! 201: /* ! 202: * MK Scheduling Policy per-thread scheduling information ! 203: */ ! 204: ! 205: typedef struct mk_sp_info { ! 206: mk_sp_state_t th_state; /* thread state */ ! 207: int priority; /* thread's priority *//*** ???base?**/ ! 208: int max_priority; /* maximum priority */ ! 209: int sched_data; /* for use by policy */ ! 210: int policy; /* scheduling policy */ ! 211: int depress_priority; /* depressed from this priority */ ! 212: unsigned int cpu_usage; /* exp. decaying cpu usage [%cpu] */ ! 213: unsigned int sched_usage; /* load-weighted cpu usage [sched] */ ! 214: unsigned int sched_stamp; /* last time priority was updated */ ! 215: int unconsumed_quantum; /* leftover quantum (RR/FIFO) */ ! 216: #ifdef MACH_ASSERT ! 217: /* counters tracking number of calls to policy routines */ ! 218: unsigned int c_mk_sp_thread_attach; ! 219: unsigned int c_mk_sp_thread_detach; ! 220: unsigned int c_mk_sp_thread_begin; ! 221: unsigned int c_mk_sp_thread_done; ! 222: unsigned int c_mk_sp_thread_dispatch; ! 223: unsigned int c_mk_sp_thread_unblock; ! 224: unsigned int c_mk_sp_thread_set; ! 225: unsigned int c_mk_sp_thread_get; ! 226: unsigned int c_mk_sp_thread_runnable; ! 227: unsigned int c_mk_sp_alarm_expired; ! 228: #endif /* MACH_ASSERT */ ! 229: } mk_sp_info_struct_t, *mk_sp_info_t; ! 230: ! 231: #define MK_SP_INFO_NULL ((mk_sp_info_t) NULL) ! 232: ! 233: /* ! 234: * Definitions of standard scheduling operations for this policy ! 235: */ ! 236: extern sp_ops_t mk_sp_ops; ! 237: ! 238: extern mach_counter_t c_mk_sp_init, ! 239: c_mk_sp_enable_processor_set, ! 240: c_mk_sp_disable_processor_set, ! 241: c_mk_sp_enable_processor, ! 242: c_mk_sp_disable_processor, ! 243: c_mk_sp_thread_update_mpri, ! 244: c_mk_sp_thread_unblock, ! 245: c_mk_sp_thread_done, ! 246: c_mk_sp_thread_begin, ! 247: c_mk_sp_thread_dispatch, ! 248: c_mk_sp_thread_attach, ! 249: c_mk_sp_thread_detach, ! 250: c_mk_sp_thread_processor, ! 251: c_mk_sp_thread_processor_set, ! 252: c_mk_sp_thread_set, ! 253: c_mk_sp_thread_get, ! 254: c_mk_sp_db_print_sched_stats, ! 255: c_mk_sp_swtch_pri, ! 256: c_mk_sp_thread_switch, ! 257: c_mk_sp_thread_depress_abort, ! 258: c_mk_sp_thread_depress_timeout, ! 259: c_mk_sp_task_attach, ! 260: c_mk_sp_task_detach, ! 261: c_mk_sp_task_policy, ! 262: c_mk_sp_task_set_policy, ! 263: c_mk_sp_task_set_sched, ! 264: c_mk_sp_task_get_sched, ! 265: c_mk_sp_thread_runnable, ! 266: c_mk_sp_alarm_expired; ! 267: ! 268: #endif /* _MK_SP_H_ */
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