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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 | /* * Copyright (c) 2012 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifdef KERNEL_PRIVATE #ifndef _PTHREAD_SHIMS_H_ #define _PTHREAD_SHIMS_H_ #ifndef ASSEMBLER #include <kern/clock.h> #include <kern/kern_types.h> #include <kern/locks.h> #include <sys/_types.h> #include <sys/_types/_sigset_t.h> #include <sys/kernel_types.h> #include <sys/proc_info.h> #ifndef PTHREAD_INTERNAL struct uthread; #define M_PROC 41 #endif #ifdef NEEDS_SCHED_CALL_T typedef void (*sched_call_t)(int type, thread_t thread); #endif typedef struct workq_reqthreads_req_s {unsigned long priority; int count;} *workq_reqthreads_req_t; /* * Increment each time new reserved slots are used. When the pthread * kext registers this table, it will include the version of the xnu * headers that it was built against. */ #define PTHREAD_FUNCTIONS_TABLE_VERSION 1 typedef struct pthread_functions_s { int version; /* internal calls, kernel core -> kext */ void (*pthread_init)(void); int (*fill_procworkqueue)(proc_t p, struct proc_workqueueinfo * pwqinfo); void (*workqueue_init_lock)(proc_t p); void (*workqueue_destroy_lock)(proc_t p); void (*workqueue_exit)(struct proc *p); void (*workqueue_mark_exiting)(struct proc *p); void (*workqueue_thread_yielded)(void); void (*pth_proc_hashinit)(proc_t p); void (*pth_proc_hashdelete)(proc_t p); /* syscall stubs */ int (*bsdthread_create)(struct proc *p, user_addr_t user_func, user_addr_t user_funcarg, user_addr_t user_stack, user_addr_t user_pthread, uint32_t flags, user_addr_t *retval); int (*bsdthread_register)(struct proc *p, user_addr_t threadstart, user_addr_t wqthread, int pthsize, user_addr_t dummy_value, user_addr_t targetconc_ptr, uint64_t dispatchqueue_offset, int32_t *retval); int (*bsdthread_terminate)(struct proc *p, user_addr_t stackaddr, size_t size, uint32_t kthport, uint32_t sem, int32_t *retval); int (*thread_selfid)(struct proc *p, uint64_t *retval); int (*workq_kernreturn)(struct proc *p, int options, user_addr_t item, int affinity, int prio, int32_t *retval); int (*workq_open)(struct proc *p, int32_t *retval); /* psynch syscalls */ int (*psynch_mutexwait)(proc_t p, user_addr_t mutex, uint32_t mgen, uint32_t ugen, uint64_t tid, uint32_t flags, uint32_t *retval); int (*psynch_mutexdrop)(proc_t p, user_addr_t mutex, uint32_t mgen, uint32_t ugen, uint64_t tid, uint32_t flags, uint32_t *retval); int (*psynch_cvbroad)(proc_t p, user_addr_t cv, uint64_t cvlsgen, uint64_t cvudgen, uint32_t flags, user_addr_t mutex, uint64_t mugen, uint64_t tid, uint32_t *retval); int (*psynch_cvsignal)(proc_t p, user_addr_t cv, uint64_t cvlsgen, uint32_t cvugen, int thread_port, user_addr_t mutex, uint64_t mugen, uint64_t tid, uint32_t flags, uint32_t *retval); int (*psynch_cvwait)(proc_t p, user_addr_t cv, uint64_t cvlsgen, uint32_t cvugen, user_addr_t mutex, uint64_t mugen, uint32_t flags, int64_t sec, uint32_t nsec, uint32_t * retval); int (*psynch_cvclrprepost)(proc_t p, user_addr_t cv, uint32_t cvgen, uint32_t cvugen, uint32_t cvsgen, uint32_t prepocnt, uint32_t preposeq, uint32_t flags, int *retval); int (*psynch_rw_longrdlock)(proc_t p, user_addr_t rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags, uint32_t *retval); int (*psynch_rw_rdlock)(proc_t p, user_addr_t rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags, uint32_t *retval); int (*psynch_rw_unlock)(proc_t p, user_addr_t rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags, uint32_t *retval); int (*psynch_rw_wrlock)(proc_t p, user_addr_t rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags, uint32_t *retval); int (*psynch_rw_yieldwrlock)(proc_t p, user_addr_t rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags, uint32_t *retval); sched_call_t (*workqueue_get_sched_callback)(void); /* New register function with TSD offset */ int (*bsdthread_register2)(struct proc *p, user_addr_t threadstart, user_addr_t wqthread, uint32_t flags, user_addr_t stack_addr_hint, user_addr_t targetconc_ptr, uint32_t dispatchqueue_offset, uint32_t tsd_offset, int32_t *retval); /* New pthreadctl system. */ int (*bsdthread_ctl)(struct proc *p, user_addr_t cmd, user_addr_t arg1, user_addr_t arg2, user_addr_t arg3, int *retval); /* Request threads to deliver kevents */ thread_t (*workq_reqthreads)(struct proc *p, int requests_count, workq_reqthreads_req_t requests); /* Resolve a pthread_priority_t to a QoS/relative pri */ integer_t (*thread_qos_from_pthread_priority)(unsigned long pthread_priority, unsigned long *flags); /* padding for future */ void* _pad[95]; } *pthread_functions_t; typedef struct pthread_callbacks_s { int version; /* config information */ uint32_t config_thread_max; uint32_t (*get_task_threadmax)(void); /* proc.h accessors */ uint64_t (*proc_get_register)(struct proc *t); void (*proc_set_register)(struct proc *t); user_addr_t (*proc_get_threadstart)(struct proc *t); void (*proc_set_threadstart)(struct proc *t, user_addr_t addr); user_addr_t (*proc_get_wqthread)(struct proc *t); void (*proc_set_wqthread)(struct proc *t, user_addr_t addr); int (*proc_get_pthsize)(struct proc *t); void (*proc_set_pthsize)(struct proc *t, int size); user_addr_t (*proc_get_targconc)(struct proc *t); void (*proc_set_targconc)(struct proc *t, user_addr_t addr); uint64_t (*proc_get_dispatchqueue_offset)(struct proc *t); void (*proc_set_dispatchqueue_offset)(struct proc *t, uint64_t offset); lck_spin_t* (*proc_get_wqlockptr)(struct proc *t); boolean_t* (*proc_get_wqinitingptr)(struct proc *t); void* (*proc_get_wqptr)(struct proc *t); void (*proc_set_wqptr)(struct proc *t, void* ptr); int (*proc_get_wqsize)(struct proc *t); void (*proc_set_wqsize)(struct proc *t, int sz); void (*proc_lock)(struct proc *t); void (*proc_unlock)(struct proc *t); task_t (*proc_get_task)(struct proc *t); void* (*proc_get_pthhash)(struct proc *t); void (*proc_set_pthhash)(struct proc *t, void* ptr); /* bsd/sys/user.h */ void* (*uthread_get_threadlist)(struct uthread *t); void (*uthread_set_threadlist)(struct uthread *t, void* threadlist); sigset_t (*uthread_get_sigmask)(struct uthread *t); void (*uthread_set_sigmask)(struct uthread *t, sigset_t s); void* (*uthread_get_uukwe)(struct uthread *t); int (*uthread_get_returnval)(struct uthread *t); void (*uthread_set_returnval)(struct uthread *t, int val); int (*uthread_is_cancelled)(struct uthread *t); /* vm_protos.h calls */ ipc_space_t (*task_get_ipcspace)(task_t t); mach_port_name_t (*ipc_port_copyout_send)(ipc_port_t sright, ipc_space_t space); /* osfmk/vm/vm_map.h */ kern_return_t (*vm_map_page_info)(vm_map_t map, vm_map_offset_t offset, vm_page_info_flavor_t flavor, vm_page_info_t info, mach_msg_type_number_t *count); vm_map_t (*vm_map_switch)(vm_map_t map); /* wq functions */ kern_return_t (*thread_set_wq_state32)(thread_t thread, thread_state_t state); kern_return_t (*thread_set_wq_state64)(thread_t thread, thread_state_t state); /* sched_prim.h */ void (*thread_exception_return)(); void (*thread_bootstrap_return)(); /* kern/clock.h */ void (*absolutetime_to_microtime)(uint64_t abstime, clock_sec_t *secs, clock_usec_t *microsecs); /* osfmk/kern/task.h */ int (*proc_restore_workq_bgthreadpolicy)(thread_t t); int (*proc_apply_workq_bgthreadpolicy)(thread_t t); /* osfmk/kern/thread.h */ struct uthread* (*get_bsdthread_info)(thread_t th); void (*thread_sched_call)(thread_t t, sched_call_t call); void (*thread_static_param)(thread_t t, boolean_t state); kern_return_t (*thread_create_workq)(task_t t, thread_continue_t c, thread_t *new_t); kern_return_t (*thread_policy_set_internal)(thread_t t, thread_policy_flavor_t flavour, thread_policy_t info, mach_msg_type_number_t count); /* osfmk/kern/affinity.h */ kern_return_t (*thread_affinity_set)(thread_t thread, uint32_t tag); /* bsd/sys/systm.h */ void (*unix_syscall_return)(int error); /* osfmk/kern/zalloc.h */ void* (*zalloc)(zone_t zone); void (*zfree)(zone_t zone, void* ptr); zone_t (*zinit)(vm_size_t, vm_size_t maxmem, vm_size_t alloc, const char *name); /* bsd/kerb/kern_sig.c */ void (*__pthread_testcancel)(int); /* calls without portfolio */ kern_return_t (*mach_port_deallocate)(ipc_space_t space, mach_port_name_t name); kern_return_t (*semaphore_signal_internal_trap)(mach_port_name_t sema_name); vm_map_t (*current_map)(void); /* osfmk/kern/thread.h */ ipc_port_t (*convert_thread_to_port)(thread_t th); /* mach/task.h */ kern_return_t (*thread_create)(task_t parent_task, thread_act_t *child_act); /* mach/thread_act.h */ kern_return_t (*thread_resume)(thread_act_t target_act); /* osfmk/<arch>/machine_routines.h */ int (*ml_get_max_cpus)(void); /* <rdar://problem/12809089> xnu: struct proc p_dispatchqueue_serialno_offset additions */ uint64_t (*proc_get_dispatchqueue_serialno_offset)(struct proc *p); void (*proc_set_dispatchqueue_serialno_offset)(struct proc *p, uint64_t offset); user_addr_t (*proc_get_stack_addr_hint)(struct proc *p); void (*proc_set_stack_addr_hint)(struct proc *p, user_addr_t stack_addr_hint); uint32_t (*proc_get_pthread_tsd_offset)(struct proc *p); void (*proc_set_pthread_tsd_offset)(struct proc *p, uint32_t pthread_tsd_offset); kern_return_t (*thread_set_tsd_base)(thread_t thread, mach_vm_offset_t tsd_base); int (*proc_usynch_get_requested_thread_qos)(struct uthread *); boolean_t (*proc_usynch_thread_qos_add_override)(struct uthread *, uint64_t tid, int override_qos, boolean_t first_override_for_resource); boolean_t (*proc_usynch_thread_qos_remove_override)(struct uthread *, uint64_t tid); kern_return_t (*thread_policy_get)(thread_t t, thread_policy_flavor_t flavor, thread_policy_t info, mach_msg_type_number_t *count, boolean_t *get_default); boolean_t (*qos_main_thread_active)(void); kern_return_t (*thread_set_voucher_name)(mach_port_name_t voucher_name); boolean_t (*proc_usynch_thread_qos_add_override_for_resource)(task_t task, struct uthread *, uint64_t tid, int override_qos, boolean_t first_override_for_resource, user_addr_t resource, int resource_type); boolean_t (*proc_usynch_thread_qos_remove_override_for_resource)(task_t task, struct uthread *, uint64_t tid, user_addr_t resource, int resource_type); boolean_t (*proc_usynch_thread_qos_reset_override_for_resource)(task_t task, struct uthread *, uint64_t tid, user_addr_t resource, int resource_type); /* padding for future */ void* _pad[84]; } *pthread_callbacks_t; void pthread_kext_register(pthread_functions_t fns, pthread_callbacks_t *callbacks); #ifdef BSD_KERNEL_PRIVATE void workqueue_mark_exiting(struct proc *); void workqueue_exit(struct proc *); void workqueue_thread_yielded(void); sched_call_t workqueue_get_sched_callback(void); void pthread_init(void); extern pthread_callbacks_t pthread_kern; extern pthread_functions_t pthread_functions; #endif #endif /* ASSEMBLER */ #endif /* _PTHREAD_SHIMS_H_ */ #endif /* KERNEL_PRIVATE */ |