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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 | /* * Copyright (c) 2017 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@ */ #ifndef _PTHREAD_WORKQUEUE_PRIVATE_H_ #define _PTHREAD_WORKQUEUE_PRIVATE_H_ #include <stdint.h> #if XNU_KERNEL_PRIVATE && !defined(__PTHREAD_EXPOSE_INTERNALS__) #define __PTHREAD_EXPOSE_INTERNALS__ 1 #endif // XNU_KERNEL_PRIVATE #ifdef __PTHREAD_EXPOSE_INTERNALS__ /* workq_kernreturn commands */ #define WQOPS_THREAD_RETURN 0x004 /* parks the thread back into the kernel */ #define WQOPS_QUEUE_NEWSPISUPP 0x010 /* this is to check for newer SPI support */ #define WQOPS_QUEUE_REQTHREADS 0x020 /* request number of threads of a prio */ #define WQOPS_QUEUE_REQTHREADS2 0x030 /* request a number of threads in a given priority bucket */ #define WQOPS_THREAD_KEVENT_RETURN 0x040 /* parks the thread after delivering the passed kevent array */ #define WQOPS_SET_EVENT_MANAGER_PRIORITY 0x080 /* max() in the provided priority in the the priority of the event manager */ #define WQOPS_THREAD_WORKLOOP_RETURN 0x100 /* parks the thread after delivering the passed kevent array */ #define WQOPS_SHOULD_NARROW 0x200 /* checks whether we should narrow our concurrency */ #define WQOPS_SETUP_DISPATCH 0x400 /* setup pthread workqueue-related operations */ /* flag values for upcall flags field, only 8 bits per struct threadlist */ #define WQ_FLAG_THREAD_PRIO_SCHED 0x00008000 #define WQ_FLAG_THREAD_PRIO_QOS 0x00004000 #define WQ_FLAG_THREAD_PRIO_MASK 0x00000fff #define WQ_FLAG_THREAD_OVERCOMMIT 0x00010000 /* thread is with overcommit prio */ #define WQ_FLAG_THREAD_REUSE 0x00020000 /* thread is being reused */ #define WQ_FLAG_THREAD_NEWSPI 0x00040000 /* the call is with new SPIs */ #define WQ_FLAG_THREAD_KEVENT 0x00080000 /* thread is response to kevent req */ #define WQ_FLAG_THREAD_EVENT_MANAGER 0x00100000 /* event manager thread */ #define WQ_FLAG_THREAD_TSD_BASE_SET 0x00200000 /* tsd base has already been set */ #define WQ_FLAG_THREAD_WORKLOOP 0x00400000 /* workloop thread */ #define WQ_FLAG_THREAD_OUTSIDEQOS 0x00800000 /* thread qos changes should not be sent to kernel */ #define WQ_FLAG_THREAD_COOPERATIVE 0x01000000 /* thread is part of cooperative thread pool */ #define WQ_KEVENT_LIST_LEN 16 // WORKQ_KEVENT_EVENT_BUFFER_LEN #define WQ_KEVENT_DATA_SIZE (32 * 1024) /* kqueue_workloop_ctl commands */ #define KQ_WORKLOOP_CREATE 0x01 #define KQ_WORKLOOP_DESTROY 0x02 /* indicate which fields of kq_workloop_create params are valid */ #define KQ_WORKLOOP_CREATE_SCHED_PRI 0x01 #define KQ_WORKLOOP_CREATE_SCHED_POL 0x02 #define KQ_WORKLOOP_CREATE_CPU_PERCENT 0x04 struct kqueue_workloop_params { int kqwlp_version; int kqwlp_flags; uint64_t kqwlp_id; int kqwlp_sched_pri; int kqwlp_sched_pol; int kqwlp_cpu_percent; int kqwlp_cpu_refillms; } __attribute__((packed)); _Static_assert(offsetof(struct kqueue_workloop_params, kqwlp_version) == 0, "kqwlp_version should be first"); int __workq_open(void); int __workq_kernreturn(int op, void *arg2, int arg3, int arg4); int __kqueue_workloop_ctl(uintptr_t cmd, uint64_t options, void *addr, size_t sz); /* SPI flags between WQ and workq_setup_thread in pthread.kext */ #define WQ_SETUP_NONE 0 #define WQ_SETUP_FIRST_USE 1 #define WQ_SETUP_CLEAR_VOUCHER 2 // was WQ_SETUP_SET_SCHED_CALL 4 #define WQ_SETUP_EXIT_THREAD 8 #endif // __PTHREAD_EXPOSE_INTERNALS__ #define WORKQ_DISPATCH_CONFIG_VERSION 2 #define WORKQ_DISPATCH_MIN_SUPPORTED_VERSION 1 #define WORKQ_DISPATCH_SUPPORTED_FLAGS 0 struct workq_dispatch_config { uint32_t wdc_version; uint32_t wdc_flags; uint64_t wdc_queue_serialno_offs; uint64_t wdc_queue_label_offs; } __attribute__((packed, aligned(4))); #endif // _PTHREAD_WORKQUEUE_PRIVATE_H_ |