xref: /xnu-8019.80.24/libsyscall/wrappers/coalition.c (revision a325d9c4a84054e40bbe985afedcb50ab80993ea) !
1*a325d9c4SApple OSS Distributions /*
2*a325d9c4SApple OSS Distributions  * Copyright (c) 2012 Apple Inc. All rights reserved.
3*a325d9c4SApple OSS Distributions  *
4*a325d9c4SApple OSS Distributions  * @APPLE_LICENSE_HEADER_START@
5*a325d9c4SApple OSS Distributions  *
6*a325d9c4SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*a325d9c4SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*a325d9c4SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*a325d9c4SApple OSS Distributions  * compliance with the License. Please obtain a copy of the License at
10*a325d9c4SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this
11*a325d9c4SApple OSS Distributions  * file.
12*a325d9c4SApple OSS Distributions  *
13*a325d9c4SApple OSS Distributions  * The Original Code and all software distributed under the License are
14*a325d9c4SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*a325d9c4SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*a325d9c4SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*a325d9c4SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*a325d9c4SApple OSS Distributions  * Please see the License for the specific language governing rights and
19*a325d9c4SApple OSS Distributions  * limitations under the License.
20*a325d9c4SApple OSS Distributions  *
21*a325d9c4SApple OSS Distributions  * @APPLE_LICENSE_HEADER_END@
22*a325d9c4SApple OSS Distributions  */
23*a325d9c4SApple OSS Distributions #include <sys/cdefs.h>
24*a325d9c4SApple OSS Distributions #include <sys/types.h>
25*a325d9c4SApple OSS Distributions #include <stdarg.h>
26*a325d9c4SApple OSS Distributions #include <stdint.h>
27*a325d9c4SApple OSS Distributions #include <sys/fcntl.h>
28*a325d9c4SApple OSS Distributions #include <sys/coalition.h>
29*a325d9c4SApple OSS Distributions 
30*a325d9c4SApple OSS Distributions /* Syscall entry points */
31*a325d9c4SApple OSS Distributions int __coalition(uint32_t operation, uint64_t *cid, uint32_t flags);
32*a325d9c4SApple OSS Distributions int __coalition_info(uint32_t operation, uint64_t *cid, void *buffer, size_t *bufsize);
33*a325d9c4SApple OSS Distributions int __coalition_ledger(uint32_t operation, uint64_t *cid, void *buffer, size_t *bufsize);
34*a325d9c4SApple OSS Distributions 
35*a325d9c4SApple OSS Distributions int
coalition_create(uint64_t * cid_out,uint32_t flags)36*a325d9c4SApple OSS Distributions coalition_create(uint64_t *cid_out, uint32_t flags)
37*a325d9c4SApple OSS Distributions {
38*a325d9c4SApple OSS Distributions 	return __coalition(COALITION_OP_CREATE, cid_out, flags);
39*a325d9c4SApple OSS Distributions }
40*a325d9c4SApple OSS Distributions 
41*a325d9c4SApple OSS Distributions int
coalition_terminate(uint64_t cid,uint32_t flags)42*a325d9c4SApple OSS Distributions coalition_terminate(uint64_t cid, uint32_t flags)
43*a325d9c4SApple OSS Distributions {
44*a325d9c4SApple OSS Distributions 	return __coalition(COALITION_OP_TERMINATE, &cid, flags);
45*a325d9c4SApple OSS Distributions }
46*a325d9c4SApple OSS Distributions 
47*a325d9c4SApple OSS Distributions int
coalition_reap(uint64_t cid,uint32_t flags)48*a325d9c4SApple OSS Distributions coalition_reap(uint64_t cid, uint32_t flags)
49*a325d9c4SApple OSS Distributions {
50*a325d9c4SApple OSS Distributions 	return __coalition(COALITION_OP_REAP, &cid, flags);
51*a325d9c4SApple OSS Distributions }
52*a325d9c4SApple OSS Distributions 
53*a325d9c4SApple OSS Distributions int
coalition_info_resource_usage(uint64_t cid,struct coalition_resource_usage * cru,size_t sz)54*a325d9c4SApple OSS Distributions coalition_info_resource_usage(uint64_t cid, struct coalition_resource_usage *cru, size_t sz)
55*a325d9c4SApple OSS Distributions {
56*a325d9c4SApple OSS Distributions 	return __coalition_info(COALITION_INFO_RESOURCE_USAGE, &cid, cru, &sz);
57*a325d9c4SApple OSS Distributions }
58*a325d9c4SApple OSS Distributions 
59*a325d9c4SApple OSS Distributions int
coalition_info_set_name(uint64_t cid,const char * name,size_t size)60*a325d9c4SApple OSS Distributions coalition_info_set_name(uint64_t cid, const char *name, size_t size)
61*a325d9c4SApple OSS Distributions {
62*a325d9c4SApple OSS Distributions 	return __coalition_info(COALITION_INFO_SET_NAME, &cid, (void *)name, &size);
63*a325d9c4SApple OSS Distributions }
64*a325d9c4SApple OSS Distributions 
65*a325d9c4SApple OSS Distributions int
coalition_info_set_efficiency(uint64_t cid,uint64_t flags)66*a325d9c4SApple OSS Distributions coalition_info_set_efficiency(uint64_t cid, uint64_t flags)
67*a325d9c4SApple OSS Distributions {
68*a325d9c4SApple OSS Distributions 	size_t size = sizeof(flags);
69*a325d9c4SApple OSS Distributions 	return __coalition_info(COALITION_INFO_SET_EFFICIENCY, &cid, (void *)&flags, &size);
70*a325d9c4SApple OSS Distributions }
71*a325d9c4SApple OSS Distributions 
72*a325d9c4SApple OSS Distributions int
coalition_ledger_set_logical_writes_limit(uint64_t cid,int64_t limit)73*a325d9c4SApple OSS Distributions coalition_ledger_set_logical_writes_limit(uint64_t cid, int64_t limit)
74*a325d9c4SApple OSS Distributions {
75*a325d9c4SApple OSS Distributions 	size_t size = sizeof(limit);
76*a325d9c4SApple OSS Distributions 	return __coalition_ledger(COALITION_LEDGER_SET_LOGICAL_WRITES_LIMIT, &cid, (void *)&limit, &size);
77*a325d9c4SApple OSS Distributions }
78