project.h revision 2677:212d61b14a8b 
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef	_SYS_PROJECT_H
27#define	_SYS_PROJECT_H
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31#ifdef	__cplusplus
32extern "C" {
33#endif
34
35#include <sys/types.h>
36#include <sys/mutex.h>
37#include <sys/rctl.h>
38#include <sys/ipc_rctl.h>
39
40typedef struct kproject_data {		/* Datum protected by: */
41	rctl_qty_t	kpd_shmmax;	/* shm's ipcs_lock */
42	ipc_rqty_t	kpd_ipc;	/* shm|sem|msg's ipcs lock */
43	rctl_qty_t	kpd_devlockmem;	/* umem_devlockmem_rctl_lock */
44	rctl_qty_t	kpd_contract;	/* contract_lock */
45	rctl_qty_t	kpd_crypto_mem;	/* crypto_rctl_lock */
46} kproject_data_t;
47
48/*
49 * The first two fields of this structure must not be reordered.
50 */
51typedef struct kproject {
52	projid_t 	kpj_id;		/* project ID		*/
53	zoneid_t	kpj_zoneid;	/* zone ID		*/
54	uint_t		kpj_count;	/* reference counter	*/
55	uint32_t	kpj_shares;	/* number of shares	*/
56	rctl_set_t	*kpj_rctls;	/* resource control set */
57	struct kproject	*kpj_prev;	/* previous project	*/
58	struct kproject	*kpj_next;	/* next project		*/
59	kproject_data_t	kpj_data;	/* subsystem-specfic data */
60	kmutex_t	kpj_poolbind;	/* synch. with pools	*/
61	rctl_qty_t	kpj_nlwps;	/* protected by project's zone's */
62					/* zone_nlwps_lock */
63	rctl_qty_t	kpj_nlwps_ctl;	/* protected by kpj_rctls->rcs_lock */
64	rctl_qty_t	kpj_ntasks;	/* protected by project's zone's */
65					/* zone_nlwps_lock */
66	rctl_qty_t	kpj_ntasks_ctl;	/* protected by kpj_rctls->rcs_lock */
67} kproject_t;
68
69#ifdef _KERNEL
70
71/*
72 * Flags for project_hold_by_id()
73 */
74#define	PROJECT_HOLD_FIND	1
75#define	PROJECT_HOLD_INSERT	2
76
77void project_init(void);
78kproject_t *project_hold(kproject_t *);
79kproject_t *project_hold_by_id(projid_t, zoneid_t, int);
80void project_rele(kproject_t *);
81int project_walk_all(zoneid_t, int (*)(kproject_t *, void *), void *);
82projid_t curprojid(void);
83
84extern kproject_t *proj0p;
85extern rctl_hndl_t rc_project_nlwps;
86extern rctl_hndl_t rc_project_ntasks;
87
88#endif /* _KERNEL */
89
90#ifdef	__cplusplus
91}
92#endif
93
94#endif	/* _SYS_PROJECT_H */
95