usr/src/uts/common/sys/project.h

   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 */