[apple/xnu.git] / osfmk / mach / coalition.h

/*
 * Copyright (c) 2014 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 _MACH_COALITION_H_
#define _MACH_COALITION_H_

/* code shared by userspace and xnu */

#define COALITION_CREATE_FLAGS_MASK       ((uint32_t)0xFF1)
#define COALITION_CREATE_FLAGS_PRIVILEGED ((uint32_t)0x01)

#define COALITION_CREATE_FLAGS_TYPE_MASK  ((uint32_t)0xF0)
#define COALITION_CREATE_FLAGS_TYPE_SHIFT (4)

#define COALITION_CREATE_FLAGS_GET_TYPE(flags) \
	(((flags) & COALITION_CREATE_FLAGS_TYPE_MASK) >> COALITION_CREATE_FLAGS_TYPE_SHIFT)

#define COALITION_CREATE_FLAGS_SET_TYPE(flags, type) \
	do { \
		flags &= ~COALITION_CREATE_FLAGS_TYPE_MASK; \
		flags |= (((type) << COALITION_CREATE_FLAGS_TYPE_SHIFT) \
			   & COALITION_CREATE_FLAGS_TYPE_MASK); \
	} while (0)

#define COALITION_CREATE_FLAGS_ROLE_MASK  ((uint32_t)0xF00)
#define COALITION_CREATE_FLAGS_ROLE_SHIFT (8)

#define COALITION_CREATE_FLAGS_GET_ROLE(flags) \
    (((flags) & COALITION_CREATE_FLAGS_ROLE_MASK) >> COALITION_CREATE_FLAGS_ROLE_SHIFT)

#define COALITION_CREATE_FLAGS_SET_ROLE(flags, role) \
    do { \
        flags &= ~COALITION_CREATE_FLAGS_ROLE_MASK; \
        flags |= (((role) << COALITION_CREATE_FLAGS_ROLE_SHIFT) \
               & COALITION_CREATE_FLAGS_ROLE_MASK); \
    } while (0)

/*
 * Default scheduling policy of the lead/parent task in a coalition
 */
#define COALITION_ROLE_UNDEF       (0)
#define COALITION_ROLE_SYSTEM      (1)
#define COALITION_ROLE_BACKGROUND  (2)
#define COALITION_ROLE_ADAPTIVE    (3)
#define COALITION_ROLE_INTERACTIVE (4)
#define COALITION_NUM_ROLES        (5)

#define COALITION_TYPE_RESOURCE  (0)
#define COALITION_TYPE_JETSAM    (1)
#define COALITION_TYPE_MAX       (1)

#define COALITION_NUM_TYPES      (COALITION_TYPE_MAX + 1)

#define COALITION_TASKROLE_NONE   (-1) /* task plays no role in the given coalition */
#define COALITION_TASKROLE_UNDEF  (0)
#define COALITION_TASKROLE_LEADER (1)
#define COALITION_TASKROLE_XPC    (2)
#define COALITION_TASKROLE_EXT    (3)

#define COALITION_NUM_TASKROLES   (4)

#define COALITION_ROLEMASK_ALLROLES ((1 << COALITION_NUM_TASKROLES) - 1)
#define COALITION_ROLEMASK_UNDEF    (1 << COALITION_TASKROLE_UNDEF)
#define COALITION_ROLEMASK_LEADER   (1 << COALITION_TASKROLE_LEADER)
#define COALITION_ROLEMASK_XPC      (1 << COALITION_TASKROLE_XPC)
#define COALITION_ROLEMASK_EXT      (1 << COALITION_TASKROLE_EXT)

#define COALITION_SORT_NOSORT     (0)
#define COALITION_SORT_DEFAULT    (1)
#define COALITION_SORT_MEM_ASC    (2)
#define COALITION_SORT_MEM_DEC    (3)
#define COALITION_SORT_USER_ASC   (4)
#define COALITION_SORT_USER_DEC   (5)

#define COALITION_NUM_SORT        (6)

/* Coalition Efficiency Interface Support */

/* Flags for coalition efficiency */
#define COALITION_FLAGS_EFFICIENT       (0x1)

/*
 * Mapping of launchd plist values to coalition efficiency flags.
 * Launchd uses this mapping to pass the correct flags to
 * coalition_info_set_efficiency(cid, flags);
 *
 * Current supported values mapping:
 * { "Efficient" : COALITION_FLAGS_EFFICIENT, }
 */
static const char *coalition_efficiency_names[] = {
    "Efficient",
};
static const uint64_t coalition_efficiency_flags[] = {
    COALITION_FLAGS_EFFICIENT,
};

struct coalition_resource_usage {
	uint64_t tasks_started;
	uint64_t tasks_exited;
	uint64_t time_nonempty;
	uint64_t cpu_time;
	uint64_t interrupt_wakeups;
	uint64_t platform_idle_wakeups;
	uint64_t bytesread;
	uint64_t byteswritten;
	uint64_t gpu_time;
	uint64_t cpu_time_billed_to_me;
	uint64_t cpu_time_billed_to_others;
	uint64_t energy;
	uint64_t logical_immediate_writes;
	uint64_t logical_deferred_writes;
	uint64_t logical_invalidated_writes;
	uint64_t logical_metadata_writes;
	uint64_t energy_billed_to_me;
	uint64_t energy_billed_to_others;
	uint64_t cpu_ptime;
};

#ifdef PRIVATE
/* definitions shared by only xnu + Libsyscall */

/* Syscall flavors */
#define COALITION_OP_CREATE 1
#define COALITION_OP_TERMINATE 2
#define COALITION_OP_REAP 3

/* coalition_info flavors */
#define COALITION_INFO_RESOURCE_USAGE 1
#define COALITION_INFO_SET_NAME 2
#define COALITION_INFO_SET_EFFICIENCY 3

#define COALITION_EFFICIENCY_VALID_FLAGS    (COALITION_FLAGS_EFFICIENT)

/* structure returned from libproc coalition listing interface */
struct procinfo_coalinfo {
	uint64_t coalition_id;
	uint32_t coalition_type;
	uint32_t coalition_tasks;
};

#endif /* PRIVATE */

#ifdef XNU_KERNEL_PRIVATE
#if COALITION_DEBUG
#define coal_dbg(fmt, ...) \
	printf("%s: " fmt "\n", __func__, ## __VA_ARGS__)
#else
#define coal_dbg(fmt, ...)
#endif

#endif

#endif /* _MACH_COALITION_H_ */
Commit	Line	Data
3e170ce0 A	1	/*
	2	* Copyright (c) 2014 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 _MACH_COALITION_H_
	30	#define _MACH_COALITION_H_
	31
	32	/* code shared by userspace and xnu */
	33
5ba3f43e	34	#define COALITION_CREATE_FLAGS_MASK ((uint32_t)0xFF1)
3e170ce0 A	35	#define COALITION_CREATE_FLAGS_PRIVILEGED ((uint32_t)0x01)
	36
	37	#define COALITION_CREATE_FLAGS_TYPE_MASK ((uint32_t)0xF0)
	38	#define COALITION_CREATE_FLAGS_TYPE_SHIFT (4)
	39
	40	#define COALITION_CREATE_FLAGS_GET_TYPE(flags) \
	41	(((flags) & COALITION_CREATE_FLAGS_TYPE_MASK) >> COALITION_CREATE_FLAGS_TYPE_SHIFT)
	42
	43	#define COALITION_CREATE_FLAGS_SET_TYPE(flags, type) \
	44	do { \
	45	flags &= ~COALITION_CREATE_FLAGS_TYPE_MASK; \
	46	flags \|= (((type) << COALITION_CREATE_FLAGS_TYPE_SHIFT) \
	47	& COALITION_CREATE_FLAGS_TYPE_MASK); \
	48	} while (0)
	49
5ba3f43e A	50	#define COALITION_CREATE_FLAGS_ROLE_MASK ((uint32_t)0xF00)
	51	#define COALITION_CREATE_FLAGS_ROLE_SHIFT (8)
	52
	53	#define COALITION_CREATE_FLAGS_GET_ROLE(flags) \
	54	(((flags) & COALITION_CREATE_FLAGS_ROLE_MASK) >> COALITION_CREATE_FLAGS_ROLE_SHIFT)
	55
	56	#define COALITION_CREATE_FLAGS_SET_ROLE(flags, role) \
	57	do { \
	58	flags &= ~COALITION_CREATE_FLAGS_ROLE_MASK; \
	59	flags \|= (((role) << COALITION_CREATE_FLAGS_ROLE_SHIFT) \
	60	& COALITION_CREATE_FLAGS_ROLE_MASK); \
	61	} while (0)
	62
	63	/*
	64	* Default scheduling policy of the lead/parent task in a coalition
	65	*/
	66	#define COALITION_ROLE_UNDEF (0)
	67	#define COALITION_ROLE_SYSTEM (1)
	68	#define COALITION_ROLE_BACKGROUND (2)
	69	#define COALITION_ROLE_ADAPTIVE (3)
	70	#define COALITION_ROLE_INTERACTIVE (4)
	71	#define COALITION_NUM_ROLES (5)
3e170ce0 A	72
	73	#define COALITION_TYPE_RESOURCE (0)
	74	#define COALITION_TYPE_JETSAM (1)
	75	#define COALITION_TYPE_MAX (1)
	76
	77	#define COALITION_NUM_TYPES (COALITION_TYPE_MAX + 1)
	78
5ba3f43e	79	#define COALITION_TASKROLE_NONE (-1) /* task plays no role in the given coalition */
3e170ce0 A	80	#define COALITION_TASKROLE_UNDEF (0)
	81	#define COALITION_TASKROLE_LEADER (1)
	82	#define COALITION_TASKROLE_XPC (2)
	83	#define COALITION_TASKROLE_EXT (3)
	84
	85	#define COALITION_NUM_TASKROLES (4)
	86
	87	#define COALITION_ROLEMASK_ALLROLES ((1 << COALITION_NUM_TASKROLES) - 1)
	88	#define COALITION_ROLEMASK_UNDEF (1 << COALITION_TASKROLE_UNDEF)
	89	#define COALITION_ROLEMASK_LEADER (1 << COALITION_TASKROLE_LEADER)
	90	#define COALITION_ROLEMASK_XPC (1 << COALITION_TASKROLE_XPC)
	91	#define COALITION_ROLEMASK_EXT (1 << COALITION_TASKROLE_EXT)
	92
	93	#define COALITION_SORT_NOSORT (0)
	94	#define COALITION_SORT_DEFAULT (1)
	95	#define COALITION_SORT_MEM_ASC (2)
	96	#define COALITION_SORT_MEM_DEC (3)
	97	#define COALITION_SORT_USER_ASC (4)
	98	#define COALITION_SORT_USER_DEC (5)
	99
	100	#define COALITION_NUM_SORT (6)
	101
5ba3f43e A	102	/* Coalition Efficiency Interface Support */
	103
	104	/* Flags for coalition efficiency */
	105	#define COALITION_FLAGS_EFFICIENT (0x1)
	106
	107	/*
	108	* Mapping of launchd plist values to coalition efficiency flags.
	109	* Launchd uses this mapping to pass the correct flags to
	110	* coalition_info_set_efficiency(cid, flags);
	111	*
	112	* Current supported values mapping:
	113	* { "Efficient" : COALITION_FLAGS_EFFICIENT, }
	114	*/
	115	static const char *coalition_efficiency_names[] = {
	116	"Efficient",
	117	};
	118	static const uint64_t coalition_efficiency_flags[] = {
	119	COALITION_FLAGS_EFFICIENT,
	120	};
	121
3e170ce0 A	122	struct coalition_resource_usage {
	123	uint64_t tasks_started;
	124	uint64_t tasks_exited;
	125	uint64_t time_nonempty;
	126	uint64_t cpu_time;
	127	uint64_t interrupt_wakeups;
	128	uint64_t platform_idle_wakeups;
	129	uint64_t bytesread;
	130	uint64_t byteswritten;
	131	uint64_t gpu_time;
	132	uint64_t cpu_time_billed_to_me;
	133	uint64_t cpu_time_billed_to_others;
39037602	134	uint64_t energy;
4bd07ac2 A	135	uint64_t logical_immediate_writes;
	136	uint64_t logical_deferred_writes;
	137	uint64_t logical_invalidated_writes;
	138	uint64_t logical_metadata_writes;
5ba3f43e A	139	uint64_t energy_billed_to_me;
	140	uint64_t energy_billed_to_others;
	141	uint64_t cpu_ptime;
3e170ce0 A	142	};
	143
	144	#ifdef PRIVATE
	145	/* definitions shared by only xnu + Libsyscall */
	146
	147	/* Syscall flavors */
	148	#define COALITION_OP_CREATE 1
	149	#define COALITION_OP_TERMINATE 2
	150	#define COALITION_OP_REAP 3
	151
	152	/* coalition_info flavors */
	153	#define COALITION_INFO_RESOURCE_USAGE 1
5ba3f43e A	154	#define COALITION_INFO_SET_NAME 2
	155	#define COALITION_INFO_SET_EFFICIENCY 3
	156
	157	#define COALITION_EFFICIENCY_VALID_FLAGS (COALITION_FLAGS_EFFICIENT)
3e170ce0 A	158
	159	/* structure returned from libproc coalition listing interface */
	160	struct procinfo_coalinfo {
	161	uint64_t coalition_id;
	162	uint32_t coalition_type;
	163	uint32_t coalition_tasks;
	164	};
	165
	166	#endif /* PRIVATE */
	167
	168	#ifdef XNU_KERNEL_PRIVATE
	169	#if COALITION_DEBUG
	170	#define coal_dbg(fmt, ...) \
	171	printf("%s: " fmt "\n", __func__, ## __VA_ARGS__)
	172	#else
	173	#define coal_dbg(fmt, ...)
	174	#endif
	175
	176	#endif
	177
	178	#endif /* _MACH_COALITION_H_ */