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      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 2008 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 
     32 #ifdef	__cplusplus
     33 extern "C" {
     34 #endif
     35 
     36 
     37 #include <sys/kstat.h>
     38 #include <sys/types.h>
     39 #include <sys/mutex.h>
     40 #include <sys/rctl.h>
     41 #include <sys/ipc_rctl.h>
     42 #include <sys/zone.h>
     43 
     44 typedef struct kproject_kstat {
     45 	kstat_named_t kpk_zonename;
     46 	kstat_named_t kpk_usage;
     47 	kstat_named_t kpk_value;
     48 } kproject_kstat_t;
     49 
     50 typedef struct kproject_data {		/* Datum protected by: */
     51 	rctl_qty_t	kpd_shmmax;	/* shm's ipcs_lock */
     52 	ipc_rqty_t	kpd_ipc;	/* shm|sem|msg's ipcs lock */
     53 	rctl_qty_t	kpd_locked_mem;	 /* zone_rctl_lock */
     54 	rctl_qty_t	kpd_locked_mem_ctl; /* kpj_rctls->rcs_lock */
     55 	rctl_qty_t	kpd_contract;	/* contract_lock */
     56 	kmutex_t	kpd_crypto_lock;
     57 	rctl_qty_t	kpd_crypto_mem;	/* kpd_crypto_lock above */
     58 	rctl_qty_t	kpd_crypto_mem_ctl; /* kpj_rctls->rcs_lock */
     59 	kstat_t		*kpd_lockedmem_kstat; /* locked memory kstat */
     60 
     61 } kproject_data_t;
     62 
     63 struct cpucap;
     64 
     65 /*
     66  * The first two fields of this structure must not be reordered.
     67  */
     68 typedef struct kproject {
     69 	projid_t 	kpj_id;		/* project ID		*/
     70 	zoneid_t	kpj_zoneid;	/* zone ID		*/
     71 	struct zone	*kpj_zone;	/* zone pointer		*/
     72 	uint_t		kpj_count;	/* reference counter	*/
     73 	uint32_t	kpj_shares;	/* number of shares	*/
     74 	rctl_set_t	*kpj_rctls;	/* resource control set */
     75 	struct kproject	*kpj_prev;	/* previous project	*/
     76 	struct kproject	*kpj_next;	/* next project		*/
     77 	kproject_data_t	kpj_data;	/* subsystem-specfic data */
     78 	kmutex_t	kpj_poolbind;	/* synchronization with pools	*/
     79 	rctl_qty_t	kpj_nlwps;	/* protected by project's zone's */
     80 					/* zone_nlwps_lock */
     81 	rctl_qty_t	kpj_nlwps_ctl;	/* protected by kpj_rctls->rcs_lock */
     82 	rctl_qty_t	kpj_ntasks;	/* protected by project's zone's */
     83 					/* zone_nlwps_lock */
     84 	rctl_qty_t	kpj_ntasks_ctl;	/* protected by kpj_rctls->rcs_lock */
     85 	struct cpucap	*kpj_cpucap;	/* CPU cap data			*/
     86 	struct klpd_reg	*kpj_klpd;	/* our extended policy */
     87 					/* protected by klpd_mutex */
     88 } kproject_t;
     89 
     90 #ifdef _KERNEL
     91 
     92 /*
     93  * Flags for project_hold_by_id()
     94  */
     95 #define	PROJECT_HOLD_FIND	1
     96 #define	PROJECT_HOLD_INSERT	2
     97 
     98 void project_init(void);
     99 kproject_t *project_hold(kproject_t *);
    100 kproject_t *project_hold_by_id(projid_t, struct zone *, int);
    101 void project_rele(kproject_t *);
    102 int project_walk_all(zoneid_t, int (*)(kproject_t *, void *), void *);
    103 projid_t curprojid(void);
    104 
    105 extern kproject_t *proj0p;
    106 extern rctl_hndl_t rc_project_nlwps;
    107 extern rctl_hndl_t rc_project_ntasks;
    108 extern rctl_hndl_t rc_project_locked_mem;
    109 extern rctl_hndl_t rc_project_crypto_mem;
    110 #endif /* _KERNEL */
    111 
    112 #ifdef	__cplusplus
    113 }
    114 #endif
    115 
    116 #endif	/* _SYS_PROJECT_H */
    117